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WO2018103171A1 - Tondeuse à gazon à double évacuation large à double lame de fauchage inclinées dans la même direction, entraînées par une courroie ordinaire sans roue de traction - Google Patents

Tondeuse à gazon à double évacuation large à double lame de fauchage inclinées dans la même direction, entraînées par une courroie ordinaire sans roue de traction Download PDF

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Publication number
WO2018103171A1
WO2018103171A1 PCT/CN2017/000105 CN2017000105W WO2018103171A1 WO 2018103171 A1 WO2018103171 A1 WO 2018103171A1 CN 2017000105 W CN2017000105 W CN 2017000105W WO 2018103171 A1 WO2018103171 A1 WO 2018103171A1
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WO
WIPO (PCT)
Prior art keywords
double
cutter
grass
belt
lawn mower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/000105
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English (en)
Chinese (zh)
Inventor
苏克
叶晓波
H.P.安祺莉卡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Daye Garden Equipment Co Ltd
Original Assignee
Ningbo Daye Garden Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Daye Garden Equipment Co Ltd filed Critical Ningbo Daye Garden Equipment Co Ltd
Publication of WO2018103171A1 publication Critical patent/WO2018103171A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/73—Cutting apparatus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D43/00—Mowers combined with apparatus performing additional operations while mowing
    • A01D43/06—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material
    • A01D43/063—Mowers combined with apparatus performing additional operations while mowing with means for collecting, gathering or loading mown material in or into a container carried by the mower; Containers therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/06—Gearings

Definitions

  • the invention relates to a lawn mower used for gardening, parks and roadsides, and lawn mowers.
  • the main improvement is to add safety circuit protection measures to create a lawn mower that is good for mowing, noise reduction, environmental protection and safety.
  • a non-tensioning wheel ordinary belt drive obliquely with the same double mowing knife double row grass wide lawn mower.
  • Lawn mowers are widely used to cut grass in the manner chosen by people's preferences. Due to the poor maneuverability of the hand-picked mower and the mowing in practice, due to the narrow cutting width at the front of the mower, repeated cutting and missing cutting often occur, and it is necessary to repair and operate. It is very hard to walk grass by walking. If you use a mount type, also called a riding mower, sitting feels different than standing, but it is noisy. If the person suddenly leaves the seat, the original 3 seconds protection; but it is 3 meters / sec, it is dangerous to smash 9 meters.
  • the muffler is widely used as a muffling device for internal combustion engines, especially small gasoline engines, and is installed on the exhaust valve door of the cylinder head to reduce the noise during engine operation.
  • countries all over the world have relevant regulations on the noise limits of various walking vehicles and lawn mowers.
  • the exhaust muffler is such a device for reducing exhaust noise.
  • the performance evaluation of the muffler mainly includes acoustic performance, aerodynamic performance and structural performance.
  • a considerable part of the internal combustion engine is a pulsating low-frequency noise source, and a resistance or impedance recombination and a microplate silencer are often used.
  • the muffler of the common internal combustion engine especially the muffler for the small gasoline engine, is mostly a three-chamber muffler, and the muffling effect is limited; and the outside has a large protective cover, but it does not have a muffling effect itself.
  • the temperature rise of the outer casing is high, and it is hot, which affects safety. If the anechoic groove is improved.
  • Prosthetic foot protection has requirements in the standard STD.BSI EN 836-ENGL 1997 and GB 4706.78-2005/IEC 60335-2-77:2002.
  • the mowing height of most mowers is adjustable in multiple gears, which is safe for tightly controlled foot safety. This is usually done with a fake foot test.
  • the prosthetic foot test has to test more positions every day, and the number of covered products is too small.
  • the idea of improvement is often to lift the mowing knife a few millimeters above the chassis.
  • FIG 23 is a transmission diagram of the front and rear two knives of the original mount mower.
  • 23a is the pulley on the shaft of the first knives
  • 23b is the shaft on the second knives.
  • the pulley, 11 is the pulley of the engine.
  • the long strips of the two knives are mutually perpendicular and reversed so as not to interfere with each other; the double-sided V-belt is used, and three tensioning wheels are used.
  • the main disadvantage is that the knives have front and rear
  • the front and rear of the disc are enlarged, resulting in an increase in the front and rear track lengths, the lengthening of the whole machine, the turning radius of the vehicle becoming larger, the stability coefficient of the longitudinal potential becoming worse, and the cost increasing, which are undesirable.
  • the other two knives of the original mount mower although not in tandem, refer to Figure 24, because the two knives are reversed so that they do not interfere with each other, using a double-sided timing belt. It is also necessary to use two synchronous tensioning wheels, which increases the cost.
  • the double mowing knife must inevitably have a heavy cutting rate to prevent leakage.
  • the spacing between the multi-purpose mowing blades is smaller than the diameter of the knife; thus, the double mowing blades are required to rotate in the opposite direction, and the double mowing blades are required to be staggered to have a certain phase, which requires the double mowing blades to have a constant rotational speed, and the synchronous tooth shape is used.
  • the problem is that not only the tensioning structure is complicated, but also the cost of the synchronous toothed belt and the wheel is increased.
  • the invention relates to a lawn mower used for gardens, parks and roads, and lawn mowers.
  • the main purpose of improvement is not only to install safety circuit protection measures, but also to make the comprehensive effect beneficial to mowing, comfortable operation and stepless speed change. It is also conducive to noise reduction, environmental protection and safety, but also to reduce costs; but without tension, the belt is too loose and not easy to use, unless the primary and secondary pulley spacing is further shortened; double mowing blades are inevitable
  • the ground should have a heavy cutting rate to prevent leakage cutting.
  • the distance between the double cutting blades is smaller than the diameter of the knife; thus, the double mowing blades are required to rotate in the opposite direction, and the double mowing blades are required to be staggered to have a certain phase, which requires double mowing.
  • the knives rotate at a constant speed, it is necessary to use a synchronous toothed belt; but the problem is that not only the tensioning structure is complicated, but also the cost of the synchronous toothed belt and the wheel is increased. What is more undesirable is that the double mowing blades cannot be simultaneously widened due to the reverse rotation.
  • the rear grass and the side row of grass the market objectively needs a kind of untensioned wheel ordinary belt drive obliquely with the same double lawn mower double row grass wide mower.
  • the technical solution adopted by the present invention to solve the technical problem is to continuously improve and perfect the untensioned wheel ordinary belt drive obliquely with the lawn mower with safety circuit protection measures and the pioneer of the lawn mower with safety protection and noise reduction. Double-row grass wide lawn mower to double mowing knife:
  • a riding mower with safety circuit protection measures is a noise-reduction measure with added safety circuit protection measures and a hydraulic stepless speed change riding mower, including safety circuit protection measures, and connection of two front wheels.
  • the straw box and the personal protective accessories of the mount operator include an earplug, an anti-sound cotton, an earmuff and an anti-sound helmet; and the feature is: at the junction of the noise reduction hood 1 and the muffling air filter 4, There are two lights 3, not only the sticky seam should not be too leaky, but also pay attention to the temperature rise.
  • the safety circuit is mainly Board and instrument plug-in (C4), engine plug-in (C1), expansion plug-in (C5), ignition switch (C2), battery (B1), DC relay (C3), PTO switch (C6), electromagnetic clutch (C7) ), starter (ST), hanging box buzzer (U1), grass buzzer (U2), first insurance (F1), second insurance (F2), headlight switch (S0), left front Light (L1), right headlight (L2), parking switch (S1), N-speed switch (S2), seat switch (S3), hanging grass box switch (S4), grass-filled alarm switch (S5)
  • the left headlight (L1) and the right headlight (L2) are each formed by a plurality of, for example, four light emitting diodes connected in series, or may be added with a resistor; or each of the plurality of light emitting diodes
  • the seat switch (S3) is now a new concept of unconventional design;
  • the original seat switch although the seat switch is disconnected when the seat is not seated, can only be activated when the driver sits down; if the driver leaves the seat After the position, there is a 3-5 second single-board machine with delayed flameout control, which sounds like it is safe, but it is not;
  • the original seat switch is a long-standing problem that is difficult to solve, because when it is actually working, The grass is bumpy, the buttocks are shaking, the seats are up and down, the seat switch is suddenly broken, especially when the driver accidentally falls, there is a 3-5 second single-stage delayed flameout control, to wait 3- After 5 seconds, the flame is turned off; the mower travels at a speed of 3.6 to 15 km/h.
  • the seat switch must be safe when the seat switch is not too expensive. When the seat is shaken up and down a lot, the seat switch can not be turned off and on, and when it is really disconnected, it must be cut off within 0.1 second. Open; the seat switch provided by the present invention is solved An old problem; referring to Fig.
  • the seat switch (S3) is mainly composed of a long slide bar (S3-1) provided under the seat (9), and a guide rail provided on the long slide bar.
  • the carbon brush (S3-2) and the seat spring (9-2) are shown in the cross-sectional view of the seat switch just off; because the seat (9) is equipped with a long slide bar (S3-1) ), and inserted in the guide rail and cooperate with the carbon brush, so the long slide bar (S3-1) is inserted and pulled out following the seat (9); the long slide bar S3-1 has a long rod shape If the cross section is curved, for example, circular, or tubular, the end face of the carbon brush (S3-2) matching the arcuate section of the long slide should also be curved; And if the long slide bar has a square cross section, such as a square, a polygonal shape, an angle iron shape, and a channel steel shape, the carbon brush matched with the flat cross section of the long slide bar (S3-2) The end face should also be planar so that the conductive
  • the lower end of the rod is provided with an auxiliary return spring; therefore, when a person sits on the seat, the long rod-shaped conductor of the long slide bar (S3-1) has a large insertion and extraction amplitude, but the long rod-shaped conductor and the carbon The brush is always in good contact; when the person leaves the seat, the long rod-shaped conductor of the long slider (S3-1) is immediately pulled up under the full force of the seat spring (9-2), When the amplitude is greater than the amplitude of the sway of the person sitting, the long rod-shaped conductor is disconnected from the carbon brush, only the insulating portion of the long slider is in contact with the carbon brush; the long rod of the long slider (S3-1)
  • the joint between the shape conductor and the insulating part of the lower part of the long slide bar cannot be stepped or uneven, and it is better to machine after forming, such as turning and milling or other processing methods, to facilitate sliding.
  • the M, G of the ignition switch (C2) is turned on, the main circuit is short-circuited, and the black board of the single board machine and the instrument plug-in (C4) and the engine plug-in (C1) are short-circuited, resulting in
  • the gasoline engine is turned off; in the running state, the ignition switch (C2) B, L is turned on, the main circuit is turned on, the single board machine and the instrument plug (C4) are energized by the 5th blue line, and the engine plug (C1) is One end inputs a high level to make the solenoid valve of the carburetor installed in the engine act, and the throttle switch is opened; when the throttle position is in the N position, the N-range switch (S2) is turned off, the meter display light is on; In the state, the parking switch (S1) is turned off, the indicator light N on the meter is on; when the seat is not seated, the seat switch (S3) is turned off, and the indicator light P is on the meter; if the
  • the battery indicator light is on; when the headlight switch (S0) is closed, the headlights are on; in the start state, the ignition switch (C2) is B, L, S Through, the main circuit is turned on, the running function can be realized; the dark red line of the S end is connected to the 4th line end of the single board machine and the instrument plug-in (C4), and the high-power of the 4th line end is received through the control of the single board machine.
  • Flat signal, control line 3 The output high level signal is connected to the DC relay to turn on the DC relay (C3), and the power supply flows into the starter (ST) through the DC relay, and the starter (ST) is a DC motor disposed on the engine.
  • the starting control is determined by the single board machine to meet the following five starting conditions: 1.
  • the throttle is in the N position state, and the N position switch is disconnected, resulting in The 7th line end fails to form a loop through the N-speed switch; 2.
  • the power output PTO switch (C6) is closed at the left end, because the PTO switch is always a group of switches normally open, one set of switches is normally closed, and the position on the figure is the switch (C6) The left end is closed and the right end is broken. At this time, the cutter separation does not work.
  • the blue line on the 11th line passes through the PTO switch (C6) and the left end of the cutter switch PTO outputs a loop. 3.
  • the seat is seated and the seat switch is closed.
  • the orange line of the line ends through the seat switch output to form a loop; 4.
  • the parking switch S1 is closed, and the purple line of the 6th line is output through the parking switch to form a loop; 5.
  • the grass box or the rear cover When hanging, the hanging grass box switch (S4) is pressed down, the 9th line end
  • the red line forms a loop by hanging the grass box switch; therefore, when the ignition switch is in the startup state, the dark red line of the 4th line end inputs a high level signal to the meter insert, and the single board machine determines whether the above five signal requirements are met.
  • the flameout control the flameout control of the vehicle after running; there are 5 kinds of signals or 5 kinds of flameout signals
  • Signal 1 Parking switch, when the vehicle is not parked, the parking switch is OFF, the 6th purple line fails to form a loop output, the parking state is reversed; the signal 2.N gear switch, the throttle gear position is not in the N position When the position is set, the N-speed switch is turned ON, the gray line at the 7th line forms the loop output, and the N position is reversed.
  • the seat switch when the seat is not seated, the seat switch (S3) is disconnected, the 8th line end The orange line fails to form a loop output, and the seat is seated instead.
  • the signal 4. Hang the grass box switch. If the grass box is not hung, the hanging grass box switch (S4) is disconnected, and the grass box warning light is on. At the same time, the buzzer U1 emits a continuous alarm sound, and the 9th dark red line end fails to form. Road output, when the grass box or the rear cover is hung up; the signal 5.
  • PTO switch (C6) because the PTO switch is always a group of switches normally open, a group of switches are normally closed, the position on the map is the switch (C6 The state of the left end is closed.
  • the blue line of the 11th line passes the PTO switch (C6) and the left end of the cutter switch PTO outputs a loop.
  • the left end of the PTO switch (C6) is not closed, the right end is combined, the electromagnetic The clutch (C7) is sucked and the cutter is combined.
  • the blue line on the 11th line passes the PTO switch (C6).
  • the left end of the cutter switch PTO output fails to form a loop.
  • the cutter work indicator light on the meter is on; the five kinds of flameout signals are: 1. Among the above five signals, when the PTO is started, the cutter is combined, and the seat is not seated, the engine is delayed by 3-5 seconds; 2.
  • the grass box or the rear cover is not hung.
  • the grass box warning light is on, and the buzzer U1 emits a continuous alarm sound, and the engine immediately turns off the fire; 3.
  • the parking switch (S1) is closed, and the PTO switch (C6) is not at the left end.
  • the electromagnetic clutch (C7) is sucked and the cutter is combined, and the single-plate machine causes the engine to immediately turn off; 4.
  • the seat is not in the N position, the seat is not seated, and the engine is delayed by 3-5 seconds; 5.
  • the throttle position is in the N position, the vehicle is not parked.
  • the engine When the seat is not seated, the engine is delayed by 3-5 seconds; when the vehicle meets one or more of the above-mentioned flameout signals, the signal is discriminated by the single board machine, and then the relay is controlled to make the line 2
  • the black line of the terminal is short-circuited, even if the output line of the engine plug-in C1 is grounded, causing the gasoline engine to stall, and the delay time is realized by the single-board delay subroutine.
  • the parking control is mentioned. When the vehicle is parked, the parking switch (S1) is closed, the gear position is in the N position, the seat is not seated, the left end of the PTO switch is closed, the right end is not closed, and the electromagnetic clutch (C7) is not engaged.
  • the cutters are not combined, the grass box and the rear cover are hung, and the engine is still idle.
  • the driving control in the no-parking state, or in the parking state caused by the wrong operation, the gear position is not in the N-range position, the seat is seated, the left end of the PTO switch is closed, the right end is not closed, and the electromagnetic clutch (C7) is not The suction and the cutter are not combined, and the grass box and the rear cover are hung.
  • the engine does not turn off; then the brake control, in the running state, the brake is pressed, the vehicle is in the N position when the vehicle is not parked, the seat is seated, the left end of the PTO switch is closed, the right end is not closed, and the electromagnetic clutch (C7) is not Pulling, the cutter is not combined, the grass box and the rear cover are hung up, the engine is still in working condition; the mowing control is described below, in the unparked state, the gear position is not in the N position, or the gear is in the position
  • the N-range is mowing the ground, the seat is seated, the left end of the PTO switch is not closed, the right end is closed, the electromagnetic clutch (C7) is sucked, the cutter is combined, the grass box and the rear cover are hung, and the engine is still in working condition; finally Describe the grass-filled alarm system.
  • the grass-filled alarm switch (S5) When the grass box is full, the grass-filled alarm switch (S5) is pressed, and the brown line on the 10th line is looped through the grass-filled alarm switch (S5). At this time, the buzzer ( U2) Sounds an alarm to achieve the desired safety effect.
  • Non-tensioning wheel ordinary belt drive obliquely facing the same double mowing knife double-row grass wide mowing machine characterized in that the power machine drives the double mowing blade (20) with a belt, without a tensioning wheel, the belt is used
  • the line of the center of the circle is on the same straight line, and is inclined so as to have a heavy cutting zone without missing the cut.
  • the oblique position is that the driving pulley simultaneously drives the cutter wheel of the double mowing blade (20) with a belt.
  • the line connecting the centers on the same straight line and the line on the same straight line of the center of each of the cutter pulleys is provided with an angle ⁇ of 15 to 45 degrees with the front and rear wheel axes of the mower; and in the double mowing cutter
  • the cutter head has a side straw opening (29) and a rear grass opening (30).
  • the above-mentioned non-tensioning wheel ordinary belt drive obliquely inclined double-row grass wide lawn mower is continuously improved, and the nano-rare horse-shaped magnet is arranged in the driveable rear axle.
  • the non-tensioning wheel of the ordinary belt drive is inclined to the same double lawn mower double-row grass wide lawn mower, and the bracket with the double bumper frame is an elastic NBR.
  • the noise-reducing front cover is filled with sound-absorbing foam in HDPE hollow blow molding products.
  • the continuously improved and improved tensioning wheel of the ordinary belt drive is the same direction double lawn mower double-row grass wide lawn mower, and the muffling air filter net is an aluminum mesh.
  • the untensioned wheel of the ordinary belt drive is inclined with the same double lawn mower double-row grass wide lawn mower, and the blade of the lawn mower is provided with a plurality of hexagonal pyramid-shaped tops.
  • the tip of the microvia is provided with a plurality of hexagonal pyramid-shaped tops.
  • the comprehensive effect is beneficial to mowing, comfortable operation, good for noise reduction, environmental protection and safety, and it is to reduce the cost; without tensioning structure and synchronous toothed belt, it can be equipped with wide width at the same time.
  • Figure 1 is a schematic view of the lawn mower.
  • Figure 2 is a schematic view of the mower machine with the outer casing removed.
  • Figure 3 is a side elevational view of the lawn mower.
  • Figure 4 is a bottom plan view of the mower machine with the outer casing removed.
  • Figure 5 is a side elevational view of the height adjustment mechanism of the mower machine with the outer casing removed.
  • Figure 6 is a side elevational view of the shift position of the height adjustment mechanism.
  • Figure 7 is a schematic illustration of a sharp file (7b).
  • Figure 8 is a schematic illustration of the S-shaped hook (17) of the straw bin.
  • Figure 9 is a schematic view of a chainring (8a).
  • Figure 10 is a bottom plan view of the belt drive of the lawn mower with the outer casing removed.
  • Figure 11 is a schematic illustration of a front housing (1) having a honeycomb tip and a sound absorbing material.
  • Figure 12 is a schematic illustration of a body casing (10c) having a honeycomb tip and a sound absorbing material.
  • Figure 13 is a schematic cross-sectional view of a chainring (8a).
  • Figure 14 is a schematic illustration of a lawn mower (20).
  • Figure 15 is a front elevational view of the chainring (8a).
  • Figure 16 is a partially enlarged schematic view of the lawn mower (20).
  • Figure 17 is a schematic illustration of the cut surface of the cusp (7b).
  • Figure 18 is a schematic view of a muffler and a muffler including a muffler tube (7) and a water tank (2).
  • Figure 19 is a schematic view of the inner tube (7a) of the muffling tube (7).
  • Figure 20 is a front elevational view of the drivable rear axle (24) with half of the outer casing removed.
  • Figure 21 is a front elevational view of a cutting disc (18) having a honeycomb tip (7b) and a sound absorbing material (7f).
  • Figure 22 is a schematic view showing the provision of a tensioning pulley (23c) to a single-sided timing belt (23) for driving two knives in the same direction.
  • Fig. 23 is a schematic view showing the double-sided V-belt in which the two knives are reversely driven, and three tensioning pulleys are provided.
  • Figure 24 is a schematic view of a double-sided timing belt in which two knives are reversely driven and two tensioning pulleys are provided.
  • Figure 25 is a schematic view showing the weight cut B by the illustrated preferred method at a distance of two axes of rotation, i.e., the center of the pulley (23a, 23b).
  • Fig. 26 is a schematic view showing the maximum weight cut width B when the two knives are not touched by the illustrated preferred method.
  • Figure 27 is a circuit diagram.
  • Figure 28 is a schematic cross-sectional view showing a seat switch having a long slider S3-1 and a carbon brush S3-2 disposed under the seat.
  • Figure 29 is a schematic view of a double-row grass wide lawn mower with a non-tensioning wheel and a common belt drive obliquely facing the same double mowing knife.
  • Figure 30 is a front view of a double-row grass wide lawn mower with a non-tensioning wheel and a conventional double belt mower.
  • 1. is the front cover; 2. is the sink; 3. is the car light; 4. is the muffler air filter; 6. is the two front wheels; 6b. is the two rear wheels; 7. is the muffler; 7a. is the inner tube of the anechoic tube; 7b. is the cusp; 8. is the steering wheel; 8a. is the sprocket; 9. is the sink; 10. is the noise-reducing straw box; 10c. is the body; Engine main shaft and pulley; 12. is the foot brake; 13. is the hand brake; 14. is the forward gear; 14b. is the reverse gear; 15. is the height adjustment handle; 16. is the two behind the frame The hanger of the pin; 17. is the S-shaped hook of the straw box; 18. is the cutting disc; 18a.
  • S0 is the headlight switch; L1. is the left headlight; L2. is the right headlight; S1. is the parking switch ; S2. is the N-speed switch; S3. is the seat Off; S4. is to hang the grass box switch; S5. is the grass-filled alarm switch; LED. is the light-emitting diode; 9. is the seat; S3-1. is the long slide; S3-2. is the carbon brush; 9-2 Is the seat spring; 26. V-belt; 28. Active pulley; 27. Knife belt pulley; ⁇ . Angle; 29. Side row grass mouth; 30. Rear row grass mouth.
  • the technical solution adopted is based on the lawn mower with safety circuit protection measures and the lawn mower with safety protection and noise reduction.
  • the untensioned wheel is usually improved and perfected. Row grass wide lawn mower.
  • the riding mower with safety circuit protection measures is both a security circuit and noise reduction measures and hydraulic stepless speed change.
  • the riding mower in addition to the safety circuit protection measures, also includes a steerable front axle connecting the two front wheels, a driveable rear axle with hydraulic stepless speed change connecting the two rear wheels, and a double belt above the four wheels.
  • the steerable front axle connected to the two front wheels included in the riding lawn mower includes a known parallelogram steering mechanism between the two front wheels 6, that is, a left curved shaft connected by a connecting rod And the right curved shaft, the upper end of the left curved shaft is fixed to one end of the control rod by one arm, and the other end of the control rod is fixed to the gear with the steering wheel 8 and the tapered toothed disc 8a, so that the steering direction is convenient .
  • a known parallelogram steering mechanism between the two front wheels 6, that is, a left curved shaft connected by a connecting rod And the right curved shaft, the upper end of the left curved shaft is fixed to one end of the control rod by one arm, and the other end of the control rod is fixed to the gear with the steering wheel 8 and the tapered toothed disc 8a, so that the steering direction is convenient .
  • the toothed disc 8a is characterized in that the teeth of the toothed disc 8a are internal teeth, in particular, the inner tooth surface has a taper, but the original is not; if it is outside Tooth, because the external teeth are easy to give way to the external teeth, there is no such thing as the internal gear of the internal gear and the steering wheel; and because it is now tapered or chamfered, it is easier to match the oblique teeth.
  • the taper is less than 30 degrees, preferably 18 degrees; because the toothed disc 8a is horizontally mounted to connect the parallelogram steering mechanism, and the axis of the gear of the steering wheel 8 is angled with the plumb line, generally 18 degrees, so it is convenient Operation; adjust the gap according to the actual situation, and grease lubrication.
  • the noise reduction measure and the hydraulic stepless speed change riding lawn mower include a hydraulically extendable shiftable rear axle 24 connecting the two rear wheels 6b, as shown in FIG. 20, which is removed. a front view of a plurality of connecting screws and half of the rear axle, leaving half of the rear axle and exposing the internal two piston pumps and the hydraulic control valve block and the plurality of gears, the rear axle being disposed between the two rear wheels
  • the two half shafts are provided with a differential between the two half shafts, whereby the differential connects the second plunger pump 24c and the continuously variable shifting mechanism and the brake device of the hydraulic control valve group in turn, and then
  • the hydraulic control valve group is connected to the clutch mechanism of the first plunger pump 24b, and transmits the power of the engine main shaft 11 via the belt 22 of the pulley on the rotating shaft of the first plunger pump, wherein the differential includes a differential
  • the planetary gear assembly between the half shaft gears, the star wheel 24h of the planetary wheel assembly preferably uses two star wheels, and the number of teeth
  • the plunger of the second plunger pump is five, which is larger than the plunger of the first plunger pump, and the diameter of each plunger is larger, so the output torque is larger as the oil motor. .
  • the brake gear of the second piston pump is coaxially provided with the brake disc of the brake device, the rear axle 24 near the brake disc is provided with a friction plate, a brake lever and a spring to form a brake device. Therefore, it is convenient to connect with the foot brake 12 and the hand brake 13 in the middle of the frame; the foot brake 12 and the hand brake 13 of the vehicle are actually the same mechanism.
  • a shift lever is arranged on the hydraulic control valve group between the second plunger pump and the first plunger pump, on one hand, the inlet and outlet ports on the liquid control valve group are adjusted, and on the other hand, the first plunger pump is changed.
  • the angle of the top slope of the plunger changes the output speed, so it is convenient to connect with the forward gear 14 and the reverse gear 14b in the middle of the frame to form a continuously variable shifting mechanism; when in neutral, the top of the plunger of the first plunger pump is inclined The angle is zero, idle without output, the first plunger pump acts as a clutch; the forward gear 14 and the reverse gear 14b are connected to operate the continuously variable shifting mechanism; when the forward gear 14 is depressed, the second plunger pump and
  • the shift lever on the liquid control valve group between the first plunger pump regulates the oil inlet on the liquid control valve group; the deep stepping makes the speed of the oil inlet large; the step is shallow, the oil inlet is small If the vehicle speed is slow, the stepless shifting is realized; when the reverse gear 14
  • the second plunger pump Since the second plunger pump is actually used for the oil motor here, it drives the shift gear 24d to mesh with a series of gears, thereby driving the two half shafts and the rear wheel 6b.
  • a parking rod On the hydraulic control valve group between the second plunger pump and the first plunger pump, a parking rod is further arranged to regulate the internal oil port of the hydraulic control valve group, and when the parking position is pulled, the interior of the parking rod is The D-bar hinders the internal port.
  • An oil inlet valve 24k is disposed inside the driveable rear axle 24 to communicate with the outer oil tank, so that lubrication is facilitated; a permanent magnet 24j or a horseshoe magnet is also provided in the driveable rear axle 24, Magnetic turbulence has a good effect, or is located in multiple places, so it is good for sucking iron scraps that are mixed into the oil after long-wearing of the steel parts.
  • the frame with double bumper above the four wheels has a bumper in front of the car, which is characterized by
  • the bumper is a parallel bar, or three or more, and each bar is a two-bend, straight pipe or square tube in the middle, and at least two brackets are supported; the parallel bars are more secure than the single one;
  • the bracket is not steel, but elastic, such as a spring, or an elastic material such as rubber or polyurethane, which is more conducive to cushioning.
  • the lawn mower includes a noise reduction mowing device under the frame, including a height adjustment part and a mowing part; referring to Figure 5, the height adjustment part, press
  • the parallelogram principle consists of a front fixed shaft (18a) and a rear fixed shaft 18c provided on the frame, and a front moving shaft 18b and a rear moving shaft 18d provided on the cutting disc 18 and a rod member connected thereto, and
  • the wire rope 18h for pulling, the sector gear 18g, the pawl 18f and the height adjusting handle 15 are characterized in that: the front fixed shaft 18a and the rear fixed shaft 18c are arranged on the frame, and are arranged on the cutting disc.
  • the upper front shaft 18b and the rear moving shaft 18d are four vertices of a parallelogram, and the corresponding sides are parallel and equal, so that the wire rope 18h is pulled by the height adjustment handle 15 and passed through the sector gear 18g.
  • the pawl 18f is used to give several upshift positions, and the connection between the front fixed shaft 18a and the rear fixed shaft 18c on the frame is always parallel with the front moving shaft 18b and the rear moving shaft 18d on the cutting disc, thereby It basically guarantees the up and down translation of the cutting disc to work normally; but in practice, it is necessary to adjust the length of the wire rope 18h.
  • formulation of the sector gear and the pawl 18f, 18g formulation of the sector gear and the pawl 18f, 18g.
  • the engine main shaft 11 connected with the power belt 21 is centered, and the distance from the belt 21 to the first tool holder is longitudinally projected as a radius. Moved, and the belt 21 also has a height difference, which is oblique, but notably it can be used. It can be seen from Fig. 6 that since the sector gear 18g of the upshift position has a plurality of teeth, it is preferably 10 teeth, and there are 10 speeds, for example, can be adjusted at a height of 10-100 mm; or by a commonly used 25-85 mm. Several files are best requested by the customer.
  • the lawn mower 20 is provided with two or more wind wings.
  • a plurality of cutting edges 20a are provided on the wind fins, and the two sides of the cutting edge are provided.
  • the angle of the angle is not a right angle, and is preferably an acute angle of less than 60 degrees.
  • the lawn mower 20 is provided with a plurality of hexagonal holes, or further improved, and the lawn cutter 20 is provided with a plurality of Such as a honeycomb or a convex or concave such as the sharp point 7b, it is beneficial to change the audio frequency of the high-speed micro airflow flowing through the knife, that is, noise reduction.
  • the original two-knife of the mount mower uses a double-sided V-belt and three tensioning wheels. Increased before and after, resulting in longer machine.
  • the other two knives of the original mount lawn mower although not one after the other, because the two knives are reversed, using the more expensive double-sided timing belt, you have to use Two synchronized tensioning wheels make this cost.
  • the two circles intersect.
  • the front part is indicated by a hatching
  • the width B is the heavy cut width B which is not leaking
  • the circle is made of A as the diameter
  • the circumference angle is always a right angle. Since the two knives are set to hang each other and are synchronously rotated, Therefore, the two knives are two sides of the circumferential angle, and a plurality of circumferential angles can be drawn to optimize.
  • the gap between the inner circumference of the cutting disc and the cutting edge is preferably 3 mm or more.
  • the riding lawn mower includes the engine with the anechoic groove on the front of the frame and the noise reduction cover, as shown in Figure 4 and Figure 10, Seeing that the engine has been omitted, the engine is omitted; the enlarged view of the muffler is shown in Figures 18 and 19; the muffler provided by the present invention comprises a muffler tube 7 and a water tank 2; The lower elbow is immersed in the water tank 2, so that it has a cooling effect.
  • the function of the water tank is two-fold. In addition to cooling, it also uses heavy water to form heavy objects; since it is arranged at the front of the lawn mower, it has a counterweight function.
  • the water in the sink is only added when it is used, because it does not count the weight of the transport; do not fill the tank with the added water, and half of it will do.
  • the lower end of the lower elbow of the muffling tube 7 is connected to the muffler outlet.
  • the water tank 2 is characterized in that a through hole is provided at a side thereof to match a lower curved pipe of the muffling pipe 7, and a water discharge port is provided at a bottom thereof.
  • the muffling tube 7 is composed of a plurality of inner tubes 7a and an outer tube of a connecting piece and a plurality of microtips 7b arrays.
  • the inner tube 7a is characterized by a honeycomb-shaped hexagonal eyelet, or a polygonal eyelet, or an elliptical and oblong hole; and the length of the inner tube of the plurality of segments is different in length and phase-to-phase; For example, if there is a long inner tube that is a three-quarters wavelength multiplied by a coefficient, then the adjacent inner tube is only a quarter-wavelength multiplied by its coefficient.
  • the distribution of the plurality of perforations provided on the inner tube 7a is not uniform but is dense; the middle portion of the tube located on the length of the three-quarter wavelength multiplier is a quarter of the tube length The portion is a denser aperture, the remaining portion of the tube is a sparse aperture; and the aperture is characterized by a hexagonal aperture or a polygonal shape; the inner tube of the quarter-wavelength multiplied by the aperture.
  • the perforations are polygonal, preferably hexagonal; as an improvement, or the features of the perforations are polygonal, or hexagonal, or somewhat polygonal, or the characteristics of the perforations It is the microporous tip 7b, so it has a quarter-wave effect, a sparse wave effect and a honeycomb effect.
  • the surface of the outer tube 7b is provided with a plurality of stamped and formed convex portions. It has a polygonal pyramid shape, that is, a multi-faceted pyramid shape, in particular a hexagonal pyramid shape, called a pointed ridge 7b; the pointed ridge is characterized in that it is hexagonal from the stamped root of the metal plate, and is reduced from the root to the top.
  • the approximate ratio of width to depth is one to one, or to one to five. And at the top of each of said hexagonal pyramid-shaped tips on the face of said muffling tube is provided with micropores having an approximate diameter of 0.1 to 0.5 mm.
  • On the surface of the inner tube 7a, as an improvement, or the perforations thereof may be modified to have a plurality of press-formed protrusions, which are polygonal pyramid-shaped, that is, multi-faceted pyramidal shape, especially hexagonal pyramidal shape, which may also be called Sharp, but its width to depth ratio is one to eight or eight, or to one to four to one.
  • a plurality of pointed ridges form a sinuous structure, and the arrangement on each side is a honeycomb-shaped hexagonal polygon, or random, or elliptical, oblong, or irregular convex-concave; in the anechoic tube or It may be semi-filled with metal fiber or temperature-resistant non-metal material; or semi-filled with medium temperature resistant sound absorbing material such as porous sound absorbing material, or flexible material and film material. Or attached, or directly molded, or added with an azo blowing agent in the mold, the two components make the outer hardening and solidify.
  • the porous materials such as fibers, foams, granules, and the like may be used alone or in combination with more or less.
  • Fibers such as rock wool, or glass wool, or glass wool, especially ultra-fine glass wool; or foams, which are fireproofed by hot parts; or granules such as expanded perlite, porous terracotta bricks, and temperature resistant
  • the fabric felt to fill or attach; it is beneficial to improve the performance indicators, so that the comprehensive composition achieves the purpose of better noise reduction.
  • a variety of materials have complementary high and low frequency sound absorption efficiencies. A lot of sharp points, adding more heat dissipation area; especially many microporous tips, not only have the microporous effect of noise reduction, but also have the potential to excrete excessive gas liquid. As an extension, many cusps can also be stretched, that is, outward to increase the heat dissipation area.
  • a gasket that acts as both a heat insulator and a cushion can also be installed between the muffler and the engine.
  • a gasket which serves as both a heat insulating mat and a cushion can also be assembled between the outlet of the muffler and the muffling tube 7.
  • the muffling groove provided by the invention is provided with a plurality of large-area pointed areas, including a plurality of microporous sharp points, and has a sharp-pointing effect and a micro-hole effect.
  • the utility model provides the muffler groove, which has the beneficial effects of increasing the noise elimination effect and improving the comprehensive performance of the muffler such as insertion loss, sound transmission loss, noise reduction amount and attenuation amount, and temperature drop.
  • An inventive concept such as ghostly: if thick foamed foam is used, or as an improvement, comprehensive use of the various sound absorbing and damping materials described above and the use of numerous large-area pointed areas are provided in the lawn mower 18, see Fig. 21, and multiple lawn mowers such as the hood 1, see Fig. 11, such as the body 10c, see Fig. 12, and the noise reduction seat at the center of the upper part of the frame, and the rear of the car.
  • the noise of the straw box can be expected to be safe and noise-reducing.
  • the accessory of the invention is provided with earplugs, soundproof cotton, earmuffs and an anti-sound helmet.
  • a prosthetic foot protection plate with a rotating hinge is also provided on both sides of the middle of the mower.
  • the prosthetic foot protection plate with rotating hinge provided on both sides of the mower is composed of a protective plate and a rotating hinge; the feature is that the protective plate is selected as a sound absorbing material, and the left and right sides are respectively One; but when it is sometimes necessary to place the side row of grass on the right side, the prosthetic guard is placed only on the left side; the shape of the shield is preferably a foot shape with two slightly larger waves, so it is enhanced.
  • the protective plate is preferably made of a softer but less soft Shore hardness of 65 to 95 materials such as rubber, polyurethane or polyvinyl chloride as the main board.
  • the advantage is that when the level is working, for example, when placed on both sides of the cutting disc 18, the soft board is less likely to hurt the grass, and the soft board is more convenient for packing.
  • the shield can also be made of a hard material.
  • the protective plate is provided with a movable hinge, which is not limited to one or more or a flexible material, and is supplemented with a suitable limit, as long as the protective plate can be released and can work. Turn it up to make it easy to pack.
  • the protective panel can also be made detachable, put on during work, and removed when not working. In order to prevent problems before they occur, prevention is the main measure, and it is ensured that all the machines that are shipped in large quantities can pass the false foot detection.
  • the shield can also be used in other parts of the fuselage, such as above the two rear wheels for protection.
  • the whole vehicle can also be made of a soundproof material, which is not open, but has a top, Or fully enclosed sedan, to protect the sun, or full sound insulation.
  • Foaming materials, porous sound absorbing materials, such as foamed cement or foamed plastics, or flexible materials and film materials, or double-layer blow molded parts; or attached, or directly molded, can be used throughout the body of the nose.
  • an azo blowing agent is cured in the mold by two components to form an outer hard inner foaming; or a double layer is blown into a large part of a large area of a honeycomb and a pointed convex and concave shape, such as a machine Head and body.
  • noise reduction measures not only the different characteristic impedance of the sound absorbing material is used to reduce the reflected sound, but also the sound hole barrier of the small hole is used to reduce the high frequency noise.
  • the earplugs have a plurality of pre-mode earplugs, and are molded with a soft plastic or soft rubber to form a certain geometry; or a foamed plastic earplug; therefore, there is a certain sound insulation and comfort.
  • the soundproof cotton is made by chemical softening treatment with ultrafine glass wool, it is preferably 1-3 micrometers in diameter; and it is made into a small cone shape, so it is easy to plug to the ear; Sound insulation of sound cotton is better than ordinary cotton, and the sound insulation value increases with the increase of noise frequency, so it is more effective for isolating high frequency noise.
  • Using soundproof cotton it not only hinders language connection, but also clear language. The degree has improved.
  • the earmuffs are earphone-like ear protection devices, or music earmuffs, so that work can be increased.
  • the anti-sound helmet is a motorcycle helmet type, so it has a security function.
  • the seat has a thick noise-reducing foam material, and the seat can be moved forward and backward; the seat is connected when the person sits down.
  • the limit protection switch that is not accessible when the person leaves, or the non-contact human body sensor, that is, the sensor, also has a protective effect.
  • the rear of the vehicle has a noise-reducing straw box 10, and two hooks 17 are provided, which are characterized by an S shape, so that it is easy to hang on two pinned hangers 16 disposed behind the frame, and the pin is active.
  • the ground card is in the S shape, so it is convenient to manually turn the angle to pour grass and take it well.
  • the single-sided timing belt that drives the two knives in the same direction is found to be too tight in the workshop, and is not easy to install on the production line; if it is loose, it is easy to skip and synchronize.
  • a tensioning pulley 23c is provided, and the tensioning wheel 23c is in contact with the flank of the single-sided timing belt 23.
  • the tensioning wheel is a toothless circular wheel; the tensioning wheel is mounted on the tensioning bracket 23d, and the tensioning bracket 23d is movably adjustable with a fixed bolt 23e as a lever fulcrum, so that it can be adjusted by a small adjustment
  • the adjusting bolt 23f and the setting nut 23g on the frame 23h are estimated, so that the installation is facilitated and the unsynchronization phenomenon is eliminated.
  • the whole vehicle is made of soundproofing material, which is not open, but has a topped or fully enclosed sedan type, or a large integrated car, which can be used for blocking or full sound insulation; or with several large pieces of splicing. .
  • the body of the nose can be used throughout the entire body.
  • the front cover 1 and the body 10c shown in Figs. 11 and 12 can also be either integrated or assembled.
  • the body 10c can be divided into two large blocks in front and rear, and the latter one can be divided into a large cover for the straw box.
  • the whole body of the nosepiece or the whole or the same is mainly referred to as the anti-noise structure.
  • the steel plate is stretched into a nose body and a header with a honeycomb tip and a concave and convex shape, or the iron plate is attached and injection molded.
  • the honeycomb has a convex and concave large piece, and is further provided with the sound insulating material such as foaming material, porous sound absorbing material, foamed cement or foamed plastic, or flexible material and film material; or attached, or directly molded,
  • a azo foaming agent is two components in the mold to form a structure of a portable refrigerator which is cured by external hard foaming; or a double layer is blown into a honeycomb having a large area and a pointed convex and concave shape.
  • the security circuit is mainly composed of a single board machine and an instrument plug-in C4, an engine plug-in C1, an extension plug-in C5, and a point.
  • the lamp L2 is composed of a plurality of, for example, four light-emitting diodes connected in series, or a resistor may be added; or each of the plurality of light-emitting diodes is connected in series and in parallel, for example, 4 strings of 4 and 16 tubes are combined, and preferably
  • the multi-tubes are arranged along the curved sectors to expand the range of viewing angles; the seat switch S3 is now a new concept of unconventional design; because of
  • the seat switch S3 is mainly composed of a long slide bar S3-1 provided under the seat 9, a carbon brush S3-2 provided on a guide rail matched with the long slide bar, and a seat spring 9-2.
  • the position is a schematic view of the seat when the seat switch is just disconnected;
  • the long slide bar S3-1 is inserted into the guide rail and cooperates with the carbon brush, so the long slide bar S3-1 is inserted and pulled out following the seat 9;
  • the long slide bar S3-1 is long rod If the cross section is curved, for example, circular, tubular, the end face of the carbon brush S3-2 matching the arcuate section of the long slide should also be curved;
  • the cross section of the long slide bar is square, for example square, polygonal, angled, and channel-shaped, and the end face of the carbon brush S3-2 matching the flat section of the long slide should also be flat.
  • the conductive contact is good at the matching;
  • the middle of the long slider S3-1 is a conductor, such as copper, and the ends are insulators, such as plastic, and the conductors are provided with soft wires.
  • the carbon brush is also provided with a soft wire connected to the other terminal of the switch S3; the carbon brush is provided with a return spring; S3-1 and the seat follow, but can be reset by the seat spring 9-2 installed under the seat 9, and of course, the auxiliary function can be set at the lower end of the long slide.
  • the M, G of the ignition switch C2 In the flameout state, the M, G of the ignition switch C2 is turned on, the main circuit is short-circuited, and the single-board machine and the instrument plug-in C4 and the black plug of the engine plug-in C1 are short-circuited, causing the gasoline engine to stall; in the running state, the ignition When B and L of switch C2 are turned on, the main circuit is turned on, and the single board machine and instrument plug-in C4 are energized by the 5th blue line.
  • the first end of the engine plug-in C1 inputs a high level, the throttle switch is opened; the throttle position is at N. At the gear position, the N-speed switch S2 is turned off and the meter display light is on.
  • the parking switch S1 In the parking state, the parking switch S1 is turned off, the indicator light N on the meter is on; when the seat is not seated, the seat switch S3 is turned off, and the indicator light P on the meter is on. If the grass collecting box switch S4 is disconnected in the state where the grass collecting box is not hung, the grass collecting box warning light is on, and the buzzer U1 emits a continuous alarm sound; when the battery B1 voltage is applied In the insufficient state, the voltage of the main circuit is too low, the battery indicator light is on; when the front light switch S0 is closed, the headlight is on; in the startup state, the B, L, S of the ignition switch C2 is turned on, the main circuit
  • the function of the operation can be realized; the dark red line of the S end is connected to the 4th line end of the single board machine and the instrument plug-in C4, and the high level signal of the 4th line end is received through the control of the single board machine, and the control number 3 is controlled.
  • the output of the high-level signal at the line end is connected to the DC relay, so that the DC relay C3 is turned on, and the power supply flows into the starter ST through the DC relay to start the gasoline engine.
  • the start control is determined by the single board machine whether it meets the following five starting conditions: 1.
  • the throttle is in the N position state, and the N position switch is disconnected, causing the 7th line end to fail to form a loop through the N position switch; 2.
  • Power output The left end of the PTO switch C6 is closed. Because the PTO switch is always a group of switches normally open, one set of switches is normally closed. The position on the figure is the state of the left end of the switch C6. At this time, the cutter separation does not work, and the blue line of the 11th line passes the PTO.
  • the switch C6 left end of the knife switch PTO output forms a loop; 3.
  • the seat is seated, the seat switch is closed, and the orange line on the 8th line passes through the seat switch output to form a loop; 4.
  • the parking switch S1 is closed.
  • the purple line on the 6th line forms a loop through the parking switch output; 5.
  • the hanging grass box switch S4 is pressed down, and the dark red line at the 9th line end is formed by the hanging grass box switch. Therefore, when the ignition switch is in the startup state, the dark red line of the 4th line end inputs a high level signal to the instrument plug-in, and the single board machine determines whether the above five signal requirements are met.
  • Flameout control flameout control after the vehicle is running; there are 5 kinds of signals or 5 kinds of flameout signals; signal 1. parking switch, when the vehicle is not parked, the parking switch is OFF, and the 6th purple wire fails to form a loop output. The parking condition is reversed; the signal 2.N gear switch, the throttle gear position is not in the N gear position, the N gear switch is closed, the 7th wire end gray line forms the loop output, and the N gear position is reversed; the signal 3.
  • the seat switch When the seat is not seated, the seat switch S3 is disconnected, the orange line on the 8th line fails to form a loop output, and the seat is seated instead; the signal 4. the set grass box switch is hanged if the grass box is not hung. Next, the hanging grass box switch S4 is disconnected, the grass box warning light is on, and the buzzer U1 emits a continuous alarm sound, and the dark red line end of 9 does not form a loop output, and when the grass box or the rear cover is hung, the reverse ; signal 5.
  • the above five signals when the seat is not in the N position, the seat is not seated, and the engine is delayed by 3-5 seconds. 5; in the above 5 signals, when the throttle position is in the N position, the seat is not seated in the unparked state, the engine is delayed for 3-5 seconds; when the vehicle meets one or more of the above
  • the flameout signal is used, the above signal is discriminated by the single board machine, and then passed through Controlling the end of line 2 of the short black line, even if the plug-in engine flameout lines C1 output ground, resulting in a gasoline engine stall delay time delay subroutine is implemented by the SBC.
  • the parking control is mentioned.
  • the parking switch S1 When the vehicle is parked, the parking switch S1 is closed, the gear position is in the N position, the seat is not seated, the left end of the PTO switch is closed, the right end is not closed, the electromagnetic clutch C7 is not engaged, and the cutter is not combined.
  • the grass box and the rear cover are hung up and the engine is still idle.
  • the gear position in the no-parking state, or in the parking state caused by the wrong operation, the gear position is not in the N-range position, the seat is seated, the left end of the PTO switch is closed, the right end is not closed, and the electromagnetic clutch C7 is not engaged.
  • the cutter does not combine The grass box and the rear cover are hung up and the engine does not turn off.
  • the brake control in the running state, the brake is pressed, in the non-parking state, the gear is in the N position, the seat is seated, the left end of the PTO switch is closed, the right end is not closed, the electromagnetic clutch C7 is not sucked, the cutter is not Combined, the grass box and the rear cover are hung and the engine is still working.
  • the mowing control is described below.
  • the gear position is not in the N position, or the gear position is in the N position, the seat is cut, the seat is seated, the left end of the PTO switch is not closed, the right end is closed, and the electromagnetic clutch C7 is engaged.
  • the cutter is combined, the grass box and the rear cover are hung, and the engine is still in working condition.
  • Non-tensioning wheel ordinary belt drive obliquely facing the same double mowing knife double-row grass wide mowing machine characterized in that the power machine drives the double mowing blade (20) with a belt, without a tensioning wheel, the belt is used
  • the line of the center of the circle is on the same straight line, and is inclined so as to have a heavy cutting zone without missing the cut.
  • the oblique position is that the driving pulley simultaneously drives the cutter wheel of the double mowing blade (20) with a belt.
  • the line connecting the centers on the same straight line and the line on the same straight line of the center of each of the cutter pulleys is provided with an angle ⁇ of 15 to 45 degrees with the front and rear wheel axes of the mower; and in the double mowing cutter
  • the cutter head has a side straw opening (29) and a rear grass opening (30).
  • the above-mentioned non-tensioning wheel ordinary belt drive obliquely inclined double-row grass wide lawn mower is continuously improved, and the nano-rare horse-shaped magnet is arranged in the driveable rear axle.
  • the bracket of the frame with double bumpers is an elastic NBR.
  • the noise-reducing front cover is filled with sound-absorbing foam in HDPE hollow blow molding products.
  • the continuously improved and improved tensioning wheel of the ordinary belt drive is the same direction double lawn mower double-row grass wide lawn mower, and the muffling air filter net is an aluminum mesh.
  • the untensioned wheel of the ordinary belt drive is inclined with the same double lawn mower double-row grass wide lawn mower, and the blade of the lawn mower is provided with a plurality of hexagonal pyramid-shaped tops.
  • the tip of the microvia is provided with a plurality of hexagonal pyramid-shaped tops.
  • the comprehensive effect is beneficial to mowing, comfortable operation, good for noise reduction, environmental protection and safety, and it is to reduce the cost; without tensioning structure and synchronous toothed belt, it can be equipped with wide width at the same time.
  • the distance between the double mowing knives is not less than the diameter of the knives; the double mowing knives rotate in the same direction, and the main pulleys simultaneously drive the centers of the knives of the double mowing knives on the same line, and are inclined so as to be inclined
  • There is a heavy cutting zone without missing cutting and the obliquely is the connecting line of the center of the cutter pulley of the double mowing blade which is driven by the belt at the same time, and the center of each of the cutter pulleys
  • the line on the same straight line has an angle ⁇ of 15 to 45 degrees with the front and rear wheel axes of the lawn mower; and the side row grass mouth (29) and the rear grass mouth are provided on the cutter head of the double lawn cutter ( 30).

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Abstract

L'invention porte sur une tondeuse à gazon à double évacuation large à double lame de fauchage inclinées dans la même direction, entraînées par une courroie ordinaire sans roue de traction : un mécanisme d'alimentation entraîne une roue de courroie d'entraînement (28), la roue de courroie d'entraînement (28) utilise une courroie en V (26) pour entraîner les roues d'entraînement de lame (27) de deux lames de fauchage (20) en même temps, respectivement, sans utiliser de structure de traction et de courroie dentée synchrone, une distance entre les centres des deux lames de fauchage (20) n'étant pas inférieure au diamètre de lame, et les deux lames de fauchage (20) tournant dans la même direction ; la roue de courroie d'entraînement (28) et une ligne de liaison entre les centres des roues d'entraînement de lame (27) des deux lames de fauchage (20) se trouvent sur la même ligne droite, la ligne droite et un axe des roues avant et arrière de la tondeuse à gazon ayant un angle β de façon à avoir une zone de re-fauchage et pas de fauchage manqué, l'angle β étant compris entre 15 et 45 degrés ; un orifice de refoulement latéral (29) et un orifice de refoulement arrière (30) étant ménagés sur une tête de coupe des deux lames de fauchage (20).
PCT/CN2017/000105 2016-12-08 2017-01-03 Tondeuse à gazon à double évacuation large à double lame de fauchage inclinées dans la même direction, entraînées par une courroie ordinaire sans roue de traction Ceased WO2018103171A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201621396504.0U CN206283851U (zh) 2016-12-08 2016-12-08 无张紧轮普通皮带驱斜置同向双割草刀双排草宽幅割草机
CN201621396504.0 2016-12-08

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WO2018103171A1 true WO2018103171A1 (fr) 2018-06-14

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PCT/CN2017/000105 Ceased WO2018103171A1 (fr) 2016-12-08 2017-01-03 Tondeuse à gazon à double évacuation large à double lame de fauchage inclinées dans la même direction, entraînées par une courroie ordinaire sans roue de traction

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CN106612904A (zh) * 2016-12-08 2017-05-10 宁波大叶园林设备股份有限公司 无张紧轮普通皮带驱斜置同向双割草刀双排草宽幅割草机

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JPH0779629A (ja) * 1993-09-20 1995-03-28 Kubota Corp 芝刈機のブレード
JPH07327454A (ja) * 1994-06-06 1995-12-19 Kubota Corp 草刈機の刈刃構造
WO1998004113A1 (fr) * 1996-07-29 1998-02-05 Lastec, Inc. Perfectionnements apportes a des tondeuses a gazon articulees
CN2363466Y (zh) * 1999-01-22 2000-02-16 海航宁波特种机械修造厂 回转式割草机
CN106068888A (zh) * 2016-08-25 2016-11-09 浙江乐客来机械有限公司 割草机
CN106612904A (zh) * 2016-12-08 2017-05-10 宁波大叶园林设备股份有限公司 无张紧轮普通皮带驱斜置同向双割草刀双排草宽幅割草机

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Publication number Priority date Publication date Assignee Title
JPH0779629A (ja) * 1993-09-20 1995-03-28 Kubota Corp 芝刈機のブレード
JPH07327454A (ja) * 1994-06-06 1995-12-19 Kubota Corp 草刈機の刈刃構造
WO1998004113A1 (fr) * 1996-07-29 1998-02-05 Lastec, Inc. Perfectionnements apportes a des tondeuses a gazon articulees
CN2363466Y (zh) * 1999-01-22 2000-02-16 海航宁波特种机械修造厂 回转式割草机
CN106068888A (zh) * 2016-08-25 2016-11-09 浙江乐客来机械有限公司 割草机
CN106612904A (zh) * 2016-12-08 2017-05-10 宁波大叶园林设备股份有限公司 无张紧轮普通皮带驱斜置同向双割草刀双排草宽幅割草机

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