WO2004037598A1 - A vehicle sliding control device - Google Patents

Abstract

A vehicle sliding control device includes a connecting shaft (1) and a sliding sleeve (5), which are connected by bearings, and a clutch actuating mechanism. A wedge-type-overrunning clutch is arranged between the connecting shaft (1) and the sliding sleeve (5). The connecting shaft (1) and the sliding sleeve (5) are respectively connected to the engine and the wheel driving system. The device can separate the vehicle driving system with the engine while the vehicle is sliding, also it can safely and reliably fulfill braking function while the vehicle need to brake. The device is simple and compact, it can be used in all kinds of vehicles, and it has well energy saving effect and high reliability.

Description

 TECHNICAL FIELD

 The present invention belongs to the technical leadership of automobile additional devices, and particularly relates to an automobile energy saving device. Background technique

 At present, the automobile engine drive system and the wheel drive system are integrated into one body. When the vehicle is coasting, not only can the passive wear of the engine and the transmission be aggravated, its life is reduced, but the resistance is large, and energy is wasted. Chinese Utility Model Patent 91219168.2, Chinese Utility Model Patent Publication Nos. CN2338207Y and CN2369895Y disclose several types of gliders. The first structure is complex and the applicability is poor; the second and third structures are still complex and unreasonable, especially Poor workmanship, high noise, poor force and various use performance, unstable work, easy damage, short life, poor safety, narrow range of applications, poor adaptability, can only be used for cars, not for heavy vehicles such as trucks, Its popular application is greatly restricted. In addition, the clutch device is large in volume, poor in reliability and practicability; the original automobile odometer and meter have failed to measure. Summary of the Invention

 The purpose of the present invention is to provide a car coasting control device, which can disengage the wheel drive system from the engine when taxiing is needed, has good energy saving effects, and overcomes the shortcomings of the existing technology. It has a simple structure, reliable use and safety. The performance is greatly improved, the transmission torque is large, it is not easy to be damaged, the service life is long, the transmission is stable, the noise is low, the process is good, and it is suitable for mass production. Used on trucks, buses, cars, heavy-duty, light-duty, gasoline, diesel and other types of cars.

The technical solution of the present invention is: an automobile coasting control device, comprising a connecting shaft and a coasting jacket connected by bearings, a clutch operating mechanism between the two ends, one end of which is connected to a car engine drive system, and the other end of which is connected to a wheel drive system. Features a rotating fit between the inner connecting shaft and the gliding jacket It is also equipped with a wedge overrunning clutch that can be braked during coasting and braked when braking.

 The wedges of the above-mentioned wedge overrunning clutch may be single-row, double-row or multi-row.

 The above wedge overrunning clutch may be a wedge overrunning clutch with a full inner ring. The inner and outer rings are smooth cylindrical surfaces. The wedge angle of the wedge does not exceed the minimum friction angle between the wedge and the inner and outer rings. The wedge block is positioned and elastically reset.

 The above wedge overrunning clutch may also be a wedge overrunning clutch with a concave groove in the inner or outer ring. The inner ring or the outer ring has a concave groove with the same radius as the wedge arc, and the two are in surface contact. It also has a structure for positioning and elastic resetting of the wedge.

 The above-mentioned wedge overrunning clutch may also be a non-contact overrunning clutch, which has a spring-loaded star wheel inner ring or a spring-loaded star wheel outer ring, and has a structure for positioning and elastically resetting the wedge. Or each of the above equivalent structures.

 In order to make the structure compact and reasonable, the above-mentioned clutch operating mechanism may be a fork-type clutch: the connecting shaft is provided with a spline shaft and a spline gear fitted with its axial sliding fit, and a sliding outer sleeve is provided with a spline gear The internal toothed ring matching the external teeth can also be a spline tooth shape, and the tooth shape can also be an involute tooth shape. The axial translational shift fork connected to the operating mechanism and the circular gear groove on the flower gear or Pull block to fit. It can also be a sliding fit structure of the internal gear ring and the spline teeth on the connecting shaft and the sliding sleeve.

 In order to make the operation convenient and reliable, the above-mentioned operating mechanism may be a translational hydraulic structure, the shift fork is fixed to the piston rod connected to the piston, the cylinder is fixed on the frame, and the oil inlet and outlet holes are connected through the pipeline with the control valve and The oil pump unit is connected.

 The above-mentioned operation mechanism may also be a translational electromagnetic structure, the translational suction block is fixed to the shift fork, and the electromagnetic induction cylinder is fixed to the frame body. Or for other structures.

 In order to make the structure compact, reasonable, and easy to operate, the above-mentioned clutch operating mechanism is preferably an electromagnetic clutch: a clutch operating mechanism, an electromagnetic clutch, and a control circuit are provided between the sliding jacket and the connecting shaft, and one end of the electromagnetic clutch is in phase with the sliding jacket. Fixed, the other end is fixed to the connecting shaft.

The above electromagnetic clutch may be a dry single-plate electromagnetic clutch, a tooth-embedded electromagnetic clutch, or a dry multi-plate electromagnetic clutch, a wet multi-plate electromagnetic clutch, a wet single-plate electromagnetic clutch, Positioning tooth-embedded electromagnetic clutch, power-loss tooth-embedded single-plate electromagnetic clutch, etc.

 For the convenience of installation and operation, it is better to fix the end of the electromagnetic clutch with the electromagnetic coil to the connecting shaft, and the end without the electromagnetic coil to the sliding jacket.

 For example, the above electromagnetic clutch may have the following structure: a non-magnetically permeable outer ring gear is fixed on the sucked disk at one end of the electromagnetic clutch without the electromagnetic coil through a fixed spring leaf, and the non-magnetically external straight ring gear and the sucked disk The inner straight ring gear is matched with a non-magnetic inner straight ring gear. The non-magnetic inner straight ring gear is fixed on the sliding jacket. The suction cup at one end of the electromagnetic clutch with the electromagnetic coil is fixed to the connecting shaft. The static sleeve is provided with an electromagnetic coil. The suction cup is provided with a magnetically permeable hole or a non-magnetic material ring opposite to the electromagnetic coil. The static sleeve is provided with a fixed structure with the frame body. Tooth-engaged clutch teeth may be provided on the suction cup and the suction cup to form a tooth-embedded electromagnetic clutch. In order to ensure reliable braking at high speeds without damaging teeth, friction plates can also be provided on the sucked discs described above. Friction parts and their fixing parts are provided on the suction discs to form a single-plate electromagnetic clutch. Or change to a multi-piece electromagnetic clutch structure.

 In order to make the operation more convenient and reliable, the structure of the electromagnetic clutch control circuit may be as follows: the positive pole of the electromagnetic coil of the electromagnetic clutch is connected to the positive pole of the car battery through the automatic switch of the reverse gear of the car, and the negative pole of the electromagnetic coil is connected to the battery through the ground or the neutral The negative terminal is connected.

 In order to not only easily combine the shaft and sleeve when reversing, but also conveniently combine the shaft and sleeve when snowing downhill, so that the glider does not work, it is best to connect the positive pole of the electromagnetic coil of the electromagnetic clutch with a manual switch. The positive electrode of the battery is connected, and a diode is installed between the positive electrode of the electromagnetic coil and the positive electrode of the reversing light to prevent the car's reversing light from operating (lighting) when using a manual switch.

 In order to still accurately measure or price when the vehicle is equipped with an energy-saving taxi control device, the above-mentioned taxi jacket or connecting shaft connected to the wheel transmission system is connected to the odometer via a sensor as a revolution transmission member.

 On the outer circumference of the above-mentioned revolution transmission member, there can be more than one (preferably 4 to 12) magnetic pole blocks of N, S poles placed at equal distances, and corresponding speed sensors connected to the odometer. .

The above-mentioned rotation number transmission member may be provided with one or more pieces on the outer circumference (preferably 4 to 12 pieces) The pole poles of N and S poles which are equidistantly placed cross each other, and there are matching speed sensors.

 The outer circumference of the above-mentioned rotation number transmission member may also be provided with more than one (preferably 4 to 12) induction protrusions or induction gaps with equal distances, and a rotation speed sensor matched therewith.

 The above-mentioned rotation speed sensor connected to the odometer or meter can be a Hall type, magnetoelectric type, photoelectric type, reed switch type, variable reluctance type, Doppler type, etc. Number of sensors.

 Because the invention adopts a wedge overrunning clutch structure, it solves the existing technical problems of unstable work, high noise, easy to damage parts, unsafe braking, short life, difficult to process, narrow application range, and cannot be used for heavy-duty vehicles. Problems can create huge economic and social benefits, which can achieve great commercial success. The invention has the following outstanding advantages: good energy saving effect, and overcomes the shortcomings of the existing technology, its simple and compact structure, greatly improved reliability and safety, wide range of use, large transmission torque, not easy to damage, long service life, transmission Smooth, low noise, good workmanship, easy processing, especially suitable for mass production; easy installation, operation and maintenance, and significantly improved performance; when taxiing is required, it can disengage the vehicle transmission system from the engine, and when braking is required, It achieves reliable safety braking, even for heavy-duty vehicles, and is easy to popularize. The use of the above-mentioned clutch or electromagnetic clutch, and the speed sensor connected to the odometer or meter in a specific position, further enhances its performance. The invention can be widely applied to various types of automobiles such as trucks, passenger cars, cars, heavy-duty, light-duty, gasoline, diesel, and the like.

 The present invention is described in detail below with reference to the embodiments and the accompanying drawings, but these embodiments cannot be construed as limiting the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

 FIG. 1 is a schematic structural diagram of a first embodiment (fork clutch type) of the present invention.

 Fig. 2 is a schematic cross-sectional view taken along A-A in Fig. 1.

 Fig. 3 is a schematic cross-sectional view of the second embodiment.

FIG. 4 is a schematic cross-sectional view of Embodiment 3. FIG. FIG. 5 is a schematic cross-sectional view of Embodiment 4. FIG.

 Fig. 6 is a schematic cross-sectional view of the fifth embodiment.

 FIG. 7 is a schematic structural diagram of an electromagnetic translational operating mechanism.

 Fig. 8 is a schematic structural diagram of a manual operation mechanism.

 FIG. 9 is a schematic structural diagram of an electromagnetic clutch type embodiment of the present invention.

 FIG. 10 is an electromagnet control circuit diagram of the electromagnetic clutch in FIG. 9.

 FIG. 11 is a schematic structural diagram of an embodiment 1 of a mileage sensing device used in the present invention.

 FIG. 12 is a schematic structural diagram of an embodiment 2 of a mileage sensing device used in the present invention. detailed description

 Referring to FIG. 1, the connecting shaft 1 is rotationally coupled through the bearing 6 (rolling or sliding bearing) and the sliding jacket 5. The internal spline teeth of the spline gear 4 cooperate with the spline 3 on the connecting shaft. The sliding jacket 5 has an internal spline. The teeth can cooperate with the external spline teeth on the spline gear 4 which moves axially, so as to realize convenient clutching. The 13-end of the fork is slidingly fitted to the circular groove 2 of the fork on the connecting shaft 1, and the other end is connected to the piston rod 12, 11 is the piston, 9 is the oil cylinder, and the inlet and outlet holes 8, 10 pass the pipeline and the control valve. Connected to the oil pump device, 7 is a weight reduction tank. A wedge-type overrunning clutch is installed between the sliding jacket 5 and the connecting shaft 1.

 Referring to FIG. 2, 18 is an outer ring of the clutch, and 14 is an inner ring, which can be fixed to the connecting shaft 1 and the sliding jacket 5 respectively. The spring-type expander 15 is snapped into the groove of the wedge 16 to position and reset it. 17 is Isolate the positioning cylinder, disengage (overtake) when N1 is greater than N2, engage when N1 is not greater than N2, and rotate together.

 Referring to FIG. 3, 16 is a wedge with a spring top post 19 thereon, and 20 is a wedge isolated ring frame, which may be one row, or two or more rows above and below. The remaining numbers are the same as in Figure 1.

 Referring to FIG. 4, 16 is a slotted wedge, and the spring coil 21 is positioned and reset in its slot, 22 is an isolation positioning block, and 23 is a spring to support the wedge. The other numbers are the same as above.

The above-mentioned inner ring is a full-circle wedge overrunning clutch. In addition to the structural form of Figs. 1 to 4, the wedge placement and resetting can also be other forms of structure, such as positioning and placing with multiple positioning cards, springs, etc. Reset, or use several spring cards to position, reset, etc.

 Referring to FIG. 5, the inner ring 26 is provided with a concave circular groove, which is slidingly matched with the lower arc surface of the wedge 25, and the spring expanding ring 24 is caught in the wedge groove. Or it has a concave groove structure on the outer ring. The other numbers are the same as above.

 Referring to FIG. 6, the inner ring 27 is of a star wheel type, and a spring top post thereon bears against the wedge 16. It can also have star trough structure on the outer ring. Positioning and resetting. When the high-speed operation reaches a certain value, the wedge block can generate a small gap with the inner ring under the action of centrifugal force to prevent wear and increase the life.

 The above-mentioned inner ring and outer ring may be provided separately, and may be fixedly connected to one of the connecting shaft and the sliding jacket, respectively, or may be statically matched, or may not be provided separately, but may be the connecting shaft and the sliding jacket itself.

 Referring to FIG. 7, the translational suction block 30 is fixed with the fork 31, and the electromagnetic induction tube 28 is fixed on the frame member 29.

 Referring to FIG. 8, the fork 36 is translated on the rail 33 through the guide sleeve 34, 35 is a spring, 32 is a manual translation lever, and a translation positioning mechanism is provided.

Referring to FIG. 9, the connecting shaft 1 and the sliding jacket 5 are connected with a bearing 6, the connecting shaft 1 is connected to a car engine driving system, the sliding jacket 5 is connected to a wheel drive system, and the connecting shaft 1 and the sliding jacket 5 are in overtaking state when equipped with taxiing The wedge overrunning clutch 37 (or a cylindrical overrunning clutch, a ratchet and pawl overrunning clutch, etc.) that can be braked during braking is provided with a clutch operating mechanism between the sliding jacket 5 and the connecting shaft 1; a dry single-piece type The electromagnetic clutch and its control circuit. The end of the dry single-plate electromagnetic clutch with an electromagnetic coil is fixed to the connection shaft 1, and the end without the electromagnetic coil is fixed to the sliding jacket 5. One end of the sucked disk 40 without an electromagnetic coil is fixed with a non-magnetic outer straight ring gear 38 through a fixed spring piece 39. The non-magnetic outer straight ring gear 38 is matched with the inner straight ring gear of the sucked disk 40. The outer straight ring gear 38 is fixed on the sliding jacket 5 by screws; the suction cup 41 of the electromagnetic clutch with an electromagnetic coil and the connecting shaft 1 are fixed with a key 46, and the connection sleeve on the suction cup 41 passes the bearing 45 and the static coil equipped with the electromagnetic coil 43. The sleeve 44 is rotationally matched. The suction cup 41 is provided with a magnetically permeable hole or a non-magnetic material ring 42 opposite to the electromagnetic coil. The static sleeve 44 is provided with a fixed structure with the frame body. The electromagnetic coil power line 47 is connected to the electromagnet control circuit. The suction plate 40 is provided with a friction plate 50, and the suction plate 41 is provided with a friction piece 49 and a fixing member 48 thereof, which constitute a single-plate electromagnetic clutch, and the opening gap of the two plates is δ. Referring to FIG. 10, the positive electrode of the electromagnetic coil 43 of the electromagnetic clutch is connected to the positive electrode of the battery 51 of the vehicle through the auto reverse light switch 52, and the negative electrode of the electromagnetic coil 43 is connected to the negative electrode of the battery 51 through the ground or the neutral line. The positive electrode of the electromagnetic clutch 43 is connected to the positive electrode of the battery 51 through a manual switch 53, and a diode 54 is installed between the positive electrode of the electromagnetic coil 43 and the positive electrode of the reverse lamp 55.

 Referring to FIG. 11, 5 is a sliding jacket connected to the wheel transmission system in a car sliding control device. It is equipped with an automatic overrunning clutch and a manual clutch between the connecting shaft. The outer circumference of the sliding jacket 5 is provided with equal distance N and S poles. The eight magnetic pole blocks 56 and 57 placed crosswise are Hall revolution sensors connected to the odometer.

 Referring to FIG. 12, eight outer magnetic protrusions 58 and 59 are equidistantly arranged on the outer circumference of the taxiing jacket 5 in the taxiing control device of the car, which are magnetoelectric sensors connected to the odometer.

 The prototype of the product of the present invention has been tested by the Traffic Safety Product Quality Supervision and Testing Center of the Ministry of Public Security of China-good safety, does not affect the power of the car, the fuel saving rate is more than 19%, and the performance is fully qualified. It can be officially used in cars.

Claims

Right claim 1. An automobile coasting control device comprising a connecting shaft (1) and a coasting jacket (5) coupled by bearings, a clutch operating mechanism therebetween, one end of which is connected to a car engine drive system, and the other end of which is connected to a wheel drive system, The utility model is characterized in that a wedge overrunning clutch which is in an overtaking state during coasting and can be braked during braking is also provided between the rotationally matched connecting shaft (1) and the sliding jacket (5). The wedge of the wedge overrunning clutch is a single row. , Double or multiple rows.  2. The automobile coasting control device according to claim 1, characterized in that the wedge overrunning clutch is an inner ring (14) is a full-round wedge overrunning clutch, and both the inner and outer rings are smooth cylindrical surfaces, and the wedge of the wedge The angle does not exceed the minimum friction angle between the wedge and the inner and outer rings, and has a structure for positioning and elastic resetting of the wedge.  3. The automobile coasting control device according to claim 1, wherein the wedge overrunning clutch is a wedge overrunning clutch with a concave groove in the inner ring or the outer ring, and the inner ring or the outer ring has a wedge circle Concave circular grooves with the same arc radius, the two are in surface contact, and have a structure for positioning and elastic resetting of the wedge.  4. The vehicle coasting control device according to claim 1, characterized in that the wedge overrunning clutch is a non-contact overrunning clutch, which has a spring-loaded star wheel inner ring (27) or a spring-loaded star The wheel-type outer ring has a structure for positioning and elastically resetting the wedge.  5. The vehicle coasting control device according to claim 1, 2, 3 or 4, characterized in that the clutch operating mechanism is a fork-type clutch structure: a spline shaft (3) is arranged on the connecting shaft (1) And the spline gear (4) which is slidably matched with the axial direction, and the sliding outer sleeve (5) is provided with a spline gear (4) The internal gear ring matching the external teeth, the axial translation shift fork (13) connected to the operating mechanism, and the spline gear (4), the circular shift groove (2) or the shift block on the shifting fit. 6. The automobile coasting control device according to claim 5, characterized in that the structure of the operating mechanism is a translational electromagnetic structure, the translational suction block (30) and the shift fork (31) are fixed, and the electromagnetic induction cylinder ( 28) Fasten to the frame (29). Ί. The automobile coasting control device according to claim 1, 2, 3 or 4, characterized in that the clutch operating mechanism is an electromagnetic clutch structure: a clutch operating mechanism is provided between the coasting jacket and the connecting shaft. For the clutch and its control circuit, one end of the electromagnetic clutch is fixed to the sliding jacket, and the other end is fixed to the connecting shaft.  8. The automobile coasting control device according to claim 7, wherein the electromagnetic clutch is a dry single-plate electromagnetic clutch, a tooth-embedded electromagnetic clutch, a dry multi-plate electromagnetic clutch, a wet multi-plate electromagnetic clutch, and a wet type Single-plate electromagnetic clutch, positioning tooth-embedded electromagnetic clutch or power-loss tooth-embedded single-disk electromagnetic clutch.  9. The automobile coasting control device according to claim 7, characterized in that the structure of the electromagnetic clutch is: a non-conductor is fixed on the sucked disk (40) at one end of the electromagnetic clutch without the electromagnetic coil through a fixed spring piece (39) Magnetic outer straight ring gear (38), non-magnetic outer straight ring gear (38) meshes with inner straight ring gear on the suction cup (40), non-magnetic outer straight ring gear (38) is fixed to the sliding jacket (5) The coupling sleeve key 46 and the connecting shaft of the suction cup (41) at one end of the electromagnetic clutch with the electromagnetic coil (1) The phases are fixed. The connection sleeve of the suction cup (41) rotates through the bearing (44) and the static sleeve (43) equipped with the electromagnetic coil (44). The suction cup (41) is provided with a magnetically permeable hole opposite to the ¾ magnetic coil. Or non-magnetic material ring (42), static sleeve (43) is provided with a fixed structure with the frame body, and a friction plate is arranged on the suction cup (50), the sucker (41) is provided with a friction part (49) and a fixing part (48) thereof, constituting a single-plate electromagnetic clutch.  10. The automobile coasting control device according to claim 7, characterized in that the structure of the electromagnetic clutch control circuit is: the positive pole of the electromagnetic coil (43) of the electromagnetic clutch passes through the automobile reverse gear automatic switch (52) and the automobile The positive pole of the battery (51) is connected, and the negative pole of the electromagnetic coil (43) is connected to the negative pole of the battery (51) through the ground or neutral line. 11. The automobile coasting control device according to claim 10, characterized in that the positive electrode of the electromagnetic coil (43) of the electromagnetic clutch is connected to the positive electrode of the battery (51) through a manual switch (53), and is connected to the positive electrode of the electromagnetic coil (43). A diode (54) is installed between the positive pole and the reverse pole (55). 12. The automobile coasting control device according to claim 1, 2, 3 or 4, characterized in that a taxiing jacket or a connecting shaft connected to the wheel drive system is connected to the odometer via a sensor as a revolution transmission member, and the revolution transmission member There are more than one equidistant magnetic pole blocks, inductive protrusions or inductive gaps on the outer circumference of the S pole, and there is a matching speed sensor.