CN111837642B - Anti-blocking adjusting mechanism of forage harvester throwing device and use method thereof - Google Patents
Anti-blocking adjusting mechanism of forage harvester throwing device and use method thereof Download PDFInfo
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- CN111837642B CN111837642B CN202010772697.XA CN202010772697A CN111837642B CN 111837642 B CN111837642 B CN 111837642B CN 202010772697 A CN202010772697 A CN 202010772697A CN 111837642 B CN111837642 B CN 111837642B
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- Prior art keywords
- adjusting mechanism
- lock pin
- throwing device
- arc plate
- spring
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- 239000004459 forage Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 10
- 241001124569 Lycaenidae Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D57/00—Delivering mechanisms for harvesters or mowers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D75/00—Accessories for harvesters or mowers
- A01D75/18—Safety devices for parts of the machines
- A01D75/187—Removing foreign objects
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
- Harvester Elements (AREA)
Abstract
The invention relates to an anti-blocking adjusting mechanism of a forage harvester throwing device and a use method thereof, wherein the anti-blocking adjusting mechanism of the forage harvester throwing device comprises a discharging hole formed in the side wall of a throwing feeding channel, an arc plate hinged to the discharging hole and a position adjusting mechanism arranged on a shell of the throwing device, and a closing adjusting mechanism corresponding to the position adjusting mechanism is arranged at one end of the arc plate far away from a hinge point; the position adjusting mechanism comprises a latch fixed on the shell of the throwing device, and a conical groove is formed in the side surface of the latch facing the closing adjusting mechanism; the closing adjusting mechanism comprises a lock pin with one end extending into the conical groove and a spring for pushing the lock pin to the side of the conical groove. According to the invention, through the matching of the lock pin and the conical groove, when the arc plate is subjected to certain pressure due to the blockage caused by the foreign matter entering device, the compression spring is compressed, and the lock pin is separated from the groove of the latch, so that the arc plate is opened, the blockage is dredged, and the damage to the cutter and the shell is avoided.
Description
Technical Field
The invention relates to the field of forage crop straw harvesters, in particular to an anti-blocking adjusting mechanism of a throwing device of a forage harvester, which is arranged on the throwing device to prevent the damage of the device caused by blockage and the like.
Background
Along with the development of agricultural machinery equipment, forage harvesting machinery realizes the integration of cutting, crushing and conveying of the existing forage from single mechanical equipment, and in a throwing device of a harvester, crushed forage is thrown outwards through a throwing feeding channel by rotation of a rotor, so that the cutting, throwing and conveying of the forage are realized. However, if foreign matters enter the throwing device together with the feed in the feed shredding and throwing process, blockage can be caused when the feed shredding and throwing is carried out, so that the cutter and the shell are worn.
Disclosure of Invention
The invention provides an anti-blocking adjusting mechanism of a forage harvester throwing device, which aims at the defects of the prior art, when the throwing device is blocked by foreign objects and extrudes an arc plate, the arc plate is automatically opened to dredge the blockage after the pressure reaches a certain value, so that the rotor and a shell of the throwing device are protected.
The invention is realized by the following technical scheme that the anti-blocking adjusting mechanism of the throwing device of the forage harvester comprises a discharging hole formed in the side wall of a throwing feeding channel, an arc plate hinged to the discharging hole and a position adjusting mechanism arranged on a shell of the throwing device, wherein one end of the arc plate, which is far away from a hinge point, is provided with a closed adjusting mechanism corresponding to the position adjusting mechanism; the position adjusting mechanism comprises a latch fixed on the shell of the throwing device, and a conical groove is formed in the side surface of the latch facing the closing adjusting mechanism; the closing adjusting mechanism comprises a bracket fixedly connected with the arc plate, a lock pin which is connected to the bracket in a sliding way and one end of which extends into the conical groove, and a spring which tightly pushes the lock pin to the side where the conical groove is located.
According to the scheme, the discharging hole is formed, when the arc plate is opened under pressure, the blocking material is discharged, and the discharging hole is blocked during normal operation through the arranged arc plate, so that forage is prevented from being discharged from the discharging hole; during normal operation, the lock pin is propped into the conical groove through the spring, so that the discharge hole is sealed by the arc plate, when the arc plate is blocked, the pressure born by the arc plate is gradually increased, a part of component force is transmitted along the axial direction of the lock pin under the action of the conical groove, when the axial force of the lock pin is greater than the elastic force of the spring, the lock pin is separated from the conical groove, the arc plate is opened, and the blockage is discharged from the discharge hole, so that the damage to a cutter and a shell is avoided.
As optimization, the arc plate is fixedly connected with a fixed seat positioned at one side of the lock pin away from the position adjusting mechanism, one end of the fixed seat is penetrated with an adjusting rod of which the axial direction extends into the lock pin, the adjusting rod is in threaded connection with the fixed seat, the spring is sleeved on the adjusting rod, one end of the spring is propped against one end of the lock pin away from the position adjusting mechanism, and the other end of the spring is propped against the end face of a boss arranged on the adjusting rod. The setting of this optimization scheme can realize the axial displacement of adjusting the pole through rotating the regulation pole to pretension the spring, the material extrusion force that the adjustment arc board was opened.
As optimization, an adjusting handle sleeved on the adjusting rod is further arranged between the lock pin and the spring, and a clamping groove for limiting the adjusting handle to move towards the side where the position adjusting mechanism is located is formed in the bracket. According to the optimization scheme, the adjusting handle is arranged to compress the spring and is clamped in the clamping groove, so that the lock pin and the conical groove are kept in a separated state, and the operation of overhauling or replacing a cutter through the discharging hole is facilitated.
As an optimization, the latch comprises an end plate provided with the conical groove, a long hole extending along the opening direction of the arc plate is formed in the end plate, and a fastening bolt for fixedly connecting the end plate with the shell of the throwing device is arranged in the long hole in a penetrating mode. According to the optimization scheme, through the arrangement of the long holes in the end plate, after the fastening bolts are loosened, the end plate can move forwards and backwards, so that the adjustment of the distance between the arc plate and the rotor is realized, and different throwing requirements are met.
As optimization, the latch also comprises a push plate fixedly connected with the end plate and a fixing rod penetrating the push plate and consistent with the extending direction of the long hole, and the fixing rod is connected with the shell of the throwing device through threads. The setting of this optimization scheme realizes its axial displacement through rotating the dead lever to realize the back-and-forth movement of latch, make the regulation operation more convenient and accurate.
As optimization, the shell of the throwing device is fixedly connected with a guide plate, a through hole for the end plate to pass through is formed in the guide plate, and an adjusting nut in threaded connection with the fixing rod is fixedly connected on the guide plate. This optimizing scheme provides the direction through setting up the baffle for the end plate removes, has simplified the connection structure with the dead lever simultaneously.
As optimization, a rotating handle is arranged on the fixed rod. This optimizing scheme is through setting up twist grip, and the convenience is to the rotation operation of dead lever to be favorable to improving the precision that the end plate removed, finally realize the accurate regulation of distance between arc board and the rotor.
The scheme also provides a method for using the anti-blocking adjusting mechanism of the throwing device of the forage harvester, which comprises the following steps:
When foreign matters enter the throwing device to cause blockage, the arc plate is pressurized and reaches a certain value, the axial force born by the lock pin overcomes the elastic force of the spring to push the lock pin out of the conical groove of the latch 8, so that the arc plate is opened to unblock the blockage;
When the rotor is required to be replaced, the arc plate is opened manually, the spring is compressed by dragging the adjusting handle, the lock pin is separated from the conical groove of the latch, and the adjusting handle is rotated to be fixed in the clamping groove of the bracket, so that the arc plate is opened;
When the spring needs to be pre-tightened, the fixing nut on the fixing seat is loosened, the adjusting rod is moved forwards, and the distance between the adjusting rod and the lock pin for placing the spring is shortened, so that the spring is pre-tightened;
when the distance between the arc plate and the rotor is required to be adjusted, the bolt connected with the latch is loosened, the fixing rod is rotated, the latch is enabled to move forwards and backwards, and the position of the conical groove is adjusted to adjust the distance between the arc plate and the rotor.
The beneficial effects of the invention are as follows: through the cooperation of the lock pin and the conical groove, when the arc plate is subjected to certain pressure due to the blockage caused by the foreign matter entering device, the spring force is overcome after the pressure reaches a certain degree, so that the compression spring is compressed, the lock pin is separated from the groove of the latch, and therefore the arc plate is opened, the blockage is dredged, and damage to a cutter and a shell is avoided; through set up the slot hole on the end plate, realized the regulation of the distance between arc board and the rotor.
Drawings
FIG. 1 is a side view of a general assembly of a throwing apparatus;
FIG. 2 is a front view of the general assembly of the throwing apparatus;
FIG. 3 is a schematic view of an adjustment mechanism according to the present invention;
FIG. 4 is a partial view of an adjustment mechanism of the present invention;
FIG. 5 is a cross-sectional view of the latch pin and latch connection point A-A of FIG. 4;
the figure shows:
1. a shell of the throwing device, 2, a position adjusting mechanism, 3, a closing adjusting mechanism, 4, an arc plate, 5, a guide plate, 6, a fixed rod, 7, a rotating handle, 8 and a latch, 9, an adjusting handle, 10, a fixing seat, 11, an adjusting rod, 12, a fixing nut, 13, a spring, 14, a lock pin, 15, a bracket, A, a rotor, B and a hinge.
Detailed Description
In order to clearly illustrate the technical characteristics of the present solution, the present solution is illustrated by the following specific embodiments, and related technical contents not described may be adopted or referred to in the prior art. It will be apparent that the described embodiments are merely examples of a system of the present application, and not all examples. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
The anti-blocking adjusting mechanism of the forage harvester throwing device is suitable for forage crop straw harvesters, is placed on the throwing device to prevent damage of a shredding device caused by blocking and the like, and structurally comprises a discharging hole formed in the side wall of a throwing feeding channel, an arc plate 4 hinged to the discharging hole and a position adjusting mechanism 2 arranged on a shell 1 of the throwing device, wherein one end of the arc plate, far away from a hinge point, is provided with a closing adjusting mechanism 3 corresponding to the position adjusting mechanism, the upper edge of the arc plate is connected with the upper edge of the discharging hole through a hinge, the size of the arc plate is matched with that of the discharging hole, and when the arc plate is closed, the discharging hole is blocked, so that the throwing is ensured to be normally carried out.
The position adjusting mechanism 2 is arranged on a side plate of the throwing device shell, specifically, the position adjusting mechanism 2 comprises a latch 8 fixed on the throwing device shell, the latch comprises an end plate provided with a conical groove, the conical groove is arranged on the side surface of the end plate facing the closing adjusting mechanism, the end plate extends out of the throwing device shell along the length direction, and the conical groove is positioned on the outer side of the throwing device shell. The length direction of the end plate is provided with a long hole extending along the opening direction of the arc plate, and a fastening bolt for fixedly connecting the end plate with the shell of the throwing device is penetrated in the long hole. The latch further comprises a push plate fixedly connected with the end plate and a fixing rod 6 penetrating the push plate and consistent with the extending direction of the long hole, the fixing rod 6 is connected with the throwing device shell 1 through threads, and one end, far away from the conical groove, of the fixing rod is welded with a rotating handle 7. In order to simplify the structure, the shell of the throwing device of the embodiment is welded with a guide plate 5, a through hole for the end plate to pass through is formed in the guide plate, and an adjusting nut in threaded connection with the fixing rod is welded on the guide plate.
The closing adjusting mechanism 3 comprises a bracket 15 fixedly connected with the arc plate, a lock pin 14 which is connected with the bracket in a sliding way and one end of which extends into the conical groove, and a spring 13 which tightly pushes the lock pin to the side where the conical groove is located, wherein a conical head matched with the conical groove is arranged at one end of the lock pin extending into the conical groove, and the included angle of a bus of the conical groove is 120 degrees so as to conduct component force guiding on the conical head. The arc plate is also welded with a fixed seat 10 positioned on one side of the lock pin away from the position adjusting mechanism, an adjusting rod 11 with one end extending into the lock pin along the axial direction is arranged on the fixed seat in a penetrating way, the adjusting rod is in threaded connection with the fixed seat, and a fixing nut 12 matched with the adjusting rod is welded on the fixed seat for simplifying the structure. The spring is sleeved on the adjusting rod, one end of the spring is propped against one end of the lock pin far away from the position adjusting mechanism, the other end of the spring is propped against the end face of a boss arranged on the adjusting rod, and the lock pin 14 is forced to be inserted into a conical groove of the latch 8 under the extrusion of the spring 13. An adjusting handle 9 sleeved on the adjusting rod is further arranged between the lock pin and the spring, and a clamping groove for limiting the adjusting handle to move towards the side where the position adjusting mechanism is located is formed in the bracket.
The application method of the anti-blocking adjusting mechanism of the throwing device of the forage harvester comprises the following steps:
when foreign matters enter the throwing device to cause blockage, the arc plate 4 is pressurized and reaches a certain value, the axial force born by the lock pin 14 overcomes the spring force to push the lock pin 14 out of the conical groove of the latch 8, so that the arc plate is opened to unblock the blockage. The device can be opened mechanically and through a sensor (not shown in the figure), the sensor is arranged on the arc plate, when the force born by the arc plate 4 reaches a certain value, the force is transmitted to an actuating mechanism through the sensor, and the arc plate is opened by the actuating mechanism;
When the rotor is required to be replaced, the arc plate can be opened manually, the spring is compressed by dragging the adjusting handle 9, so that the spring loses the thrust to the lock pin, the lock pin 14 is pulled out of the conical groove of the latch 8 along with the dragging of the adjusting handle 9, and the adjusting handle 9 is rotated to be fixed in the clamping groove of the bracket 15, so that the arc plate is opened;
when the spring 13 needs to be pre-tightened, the fixing nut 12 on the fixing seat 10 is loosened, the adjusting rod 11 is moved forward, and the distance between the adjusting rod 11 and the lock pin 14 for placing the spring 13 is shortened, so that the pre-tightening of the spring 13 is realized;
The device can also adjust the distance between the arc plate 4 and the rotor A, the arc plate 4 is connected through the hinge B, so that the front and back movement of the arc plate 4 can be realized, the fixed rod 6 is rotated by adjusting the rotating handle 7 by loosening two bolts connected with the throwing device shell 1 and the latch 8, the latch 8 is driven to move forwards and backwards, and the position of a conical groove connected with the lock pin 14 on the latch 8 is adjusted to realize the adjustment of the distance between the arc plate and the rotor.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (3)
1. The application method of the anti-blocking adjusting mechanism of the throwing device of the forage harvester is characterized by comprising the following steps of: the anti-blocking adjusting mechanism of the forage harvester throwing device comprises a discharging hole formed in the side wall of a throwing feeding channel, an arc plate (4) hinged to the discharging hole and a position adjusting mechanism (2) arranged on a throwing device shell (1), wherein one end of the arc plate, which is far away from a hinge point, is provided with a closing adjusting mechanism (3) corresponding to the position adjusting mechanism;
The position adjusting mechanism (2) comprises a latch (8) fixed on the shell of the throwing device, and a conical groove is formed in the side surface of the latch facing the closing adjusting mechanism;
The closing adjusting mechanism (3) comprises a bracket (15) fixedly connected with the arc plate, a lock pin (14) which is connected with the bracket in a sliding way and one end of which extends into the conical groove, and a spring (13) which tightly pushes the lock pin towards the side where the conical groove is positioned;
A fixed seat (10) positioned at one side of the lock pin away from the position adjusting mechanism is fixedly connected on the arc plate, an adjusting rod (11) with one end extending into the lock pin along the axial direction is arranged on the fixed seat in a penetrating manner, the adjusting rod is in threaded connection with the fixed seat, the spring is sleeved on the adjusting rod, one end of the spring is propped against one end of the lock pin away from the position adjusting mechanism, and the other end of the spring is propped against the end face of a boss arranged on the adjusting rod;
An adjusting handle (9) sleeved on the adjusting rod is further arranged between the lock pin and the spring, and a clamping groove for limiting the adjusting handle to move towards the side where the position adjusting mechanism is located is formed in the bracket;
the latch comprises an end plate provided with the conical groove, a long hole extending along the opening direction of the arc plate is formed in the end plate, and a fastening bolt for fixedly connecting the end plate with the shell of the throwing device is arranged in the long hole in a penetrating manner;
The latch also comprises a push plate fixedly connected with the end plate and a fixed rod (6) penetrating the push plate and consistent with the extending direction of the long hole, and the fixed rod (6) is connected with the throwing device shell (1) through threads;
the application method comprises the following steps:
When foreign matters enter the throwing device to cause blockage, the arc plate is pressurized and reaches a certain value, the axial force born by the lock pin overcomes the elastic force of the spring to push the lock pin out of the conical groove of the latch (8), so that the arc plate is opened to unblock the blockage;
When the rotor is required to be replaced, the arc plate is opened manually, the spring is compressed by dragging the adjusting handle, the lock pin is separated from the conical groove of the latch, and the adjusting handle is rotated to be fixed in the clamping groove of the bracket, so that the arc plate is opened;
When the spring needs to be pre-tightened, the fixing nut on the fixing seat is loosened, the adjusting rod is moved forwards, and the distance between the adjusting rod and the lock pin for placing the spring is shortened, so that the spring is pre-tightened;
When the distance between the arc plate and the rotor is required to be adjusted, the fixing rod is rotated by loosening the fastening bolt connected with the latch through the shell of the throwing device, so that the latch moves forwards and backwards, and the position of the conical groove is adjusted to adjust the distance between the arc plate and the rotor.
2. The method for using the anti-blocking adjusting mechanism of the forage harvester throwing device according to claim 1, wherein the method comprises the following steps: the shell of the throwing device is fixedly connected with a guide plate (5), a through hole for the end plate to pass through is formed in the guide plate, and an adjusting nut in threaded connection with the fixing rod is fixedly connected on the guide plate.
3. The method for using the anti-blocking adjusting mechanism of the forage harvester throwing device according to claim 2, wherein the method comprises the following steps: the fixed rod is provided with a rotary handle (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772697.XA CN111837642B (en) | 2020-08-04 | 2020-08-04 | Anti-blocking adjusting mechanism of forage harvester throwing device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010772697.XA CN111837642B (en) | 2020-08-04 | 2020-08-04 | Anti-blocking adjusting mechanism of forage harvester throwing device and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111837642A CN111837642A (en) | 2020-10-30 |
| CN111837642B true CN111837642B (en) | 2024-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010772697.XA Active CN111837642B (en) | 2020-08-04 | 2020-08-04 | Anti-blocking adjusting mechanism of forage harvester throwing device and use method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111837642B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041203A (en) * | 2017-05-23 | 2017-08-15 | 中联重机亳州有限公司 | A kind of forage harvester throws device |
| CN212367932U (en) * | 2020-08-04 | 2021-01-19 | 山东农业大学 | An anti-blocking adjustment mechanism of a forage harvester throwing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101610410B1 (en) * | 2010-11-30 | 2016-04-07 | 현대자동차주식회사 | Parking Apparatus with Auto Tension Adjusting Function |
| MX2017009318A (en) * | 2015-01-18 | 2017-10-18 | Alexander Braz Alik | Sliding bolt latch and use thereof. |
| CN105794410B (en) * | 2016-04-29 | 2018-02-16 | 濮阳市农发机械制造有限公司 | One kind throws self-checking device |
| CN106593152B (en) * | 2016-12-19 | 2018-03-30 | 北京北方车辆集团有限公司 | Adjustable locking mechanism |
-
2020
- 2020-08-04 CN CN202010772697.XA patent/CN111837642B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041203A (en) * | 2017-05-23 | 2017-08-15 | 中联重机亳州有限公司 | A kind of forage harvester throws device |
| CN212367932U (en) * | 2020-08-04 | 2021-01-19 | 山东农业大学 | An anti-blocking adjustment mechanism of a forage harvester throwing device |
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| Publication number | Publication date |
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| CN111837642A (en) | 2020-10-30 |
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