CN220551445U - Transmission gear box for tracked vehicle - Google Patents
Transmission gear box for tracked vehicle Download PDFInfo
- Publication number
- CN220551445U CN220551445U CN202322295763.0U CN202322295763U CN220551445U CN 220551445 U CN220551445 U CN 220551445U CN 202322295763 U CN202322295763 U CN 202322295763U CN 220551445 U CN220551445 U CN 220551445U
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- Prior art keywords
- gear shaft
- clutch
- gear
- shaft
- meshed
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000011065 in-situ storage Methods 0.000 claims abstract description 15
- 238000000926 separation method Methods 0.000 claims description 6
- 239000002689 soil Substances 0.000 abstract description 6
- 238000010008 shearing Methods 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Abstract
The utility model discloses a transmission gearbox for a tracked vehicle, which comprises an input gear shaft, a first left gear shaft, a second left gear shaft, a first left clutch, a second left clutch, a third left gear shaft, a left gear, a left output gear shaft, a first right gear shaft, a second right gear shaft, a first right clutch, a second right clutch, a third right gear shaft, a right gear and a right output gear shaft; the input gear shaft is meshed with a first left gear shaft, the first left gear shaft is meshed with a second left gear shaft, the first left gear shaft is connected with a left output gear shaft through a first left clutch, the second left gear shaft is connected with a third left gear shaft through a second left clutch, and the third left gear shaft is meshed with the left output gear shaft through a left gear; the input gear shaft is meshed with the first right gear shaft, and the first right gear shaft is meshed with the second right gear shaft; the utility model adopts a plurality of clutches, can instantaneously control the track vehicle to advance, retreat and turn in situ, and the two track grounding points are not easy to be hilled during the turning, reduce the shearing force on soil and greatly reduce the power loss.
Description
Technical Field
The utility model relates to a running gear for crawler-type loading or traction plant protection machinery and other agricultural equipment in the fields of agriculture, forestry, sanitation and the like, in particular to a transmission gear box for a crawler vehicle.
Background
The two tracks of the tracked vehicle are grounded, the ground area is large when the tracked vehicle runs, the ground specific pressure is small, and the tracked vehicle has the advantages of crossing obstacles and ditches, walking in soft soil and paddy fields, walking on various complex working surfaces and the like, so that the tracked vehicle is widely applied. At present, a steering mechanism of a tracked vehicle adopts single-side tracked power to cut off or brake to realize steering; when the tracked vehicle is straight, the clutch at two sides is engaged, and the steering brake is separated; when steering, the clutch at one side of steering is powered off, the side steering brake is engaged to stop the side crawler belt, the crawler belts at two sides stop one by one, and the forward, backward or steering is realized. However, the tracked vehicle can only be steered by engaging the steering brake to brake the side track while the other side continues to drive the track. Because the steering is unilateral braking steering, the turning radius is large, the whole two tracks rotate by taking one end of one track as the rotation center, huge torsion is needed, the track grounding point is easy to be jammed and severely damages soil during rotation, the power loss is large, and the in-situ steering cannot be realized.
Therefore, it is necessary to develop a transmission gear box capable of eliminating the above drawbacks, and realizing forward, backward and in-situ steering, and the operation is convenient, flexible and reliable, and the automatic control is convenient.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a transmission gear box for a tracked vehicle, which aims at the defects of the prior art, and the transmission gear box for the tracked vehicle adopts a plurality of clutches, so that the tracked vehicle can be instantaneously controlled to advance, retreat and turn in situ, and the grounding points of the two tracks are not easy to be jammed, the shearing force on soil is reduced, and the power loss is greatly reduced.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a transmission gearbox for a tracked vehicle, comprising an input gear shaft, a first left gear shaft, a second left gear shaft, a first left clutch, a second left clutch, a third left gear shaft, a left gear, a left output gear shaft, a first right gear shaft, a second right gear shaft, a first right clutch, a second right clutch, a third right gear shaft, a right gear and a right output gear shaft;
the gear on the input gear shaft is meshed with the gear on the first left gear shaft, the gear on the first left gear shaft is meshed with the gear on the second left gear shaft, the first left gear shaft is connected with one end of the first left clutch, the other end of the first left clutch is connected with the left output gear shaft, the second left gear shaft is connected with one end of the second left clutch, the other end of the second left clutch is connected with the third left gear shaft, and the gear on the third left gear shaft is meshed with the gear on the left output gear shaft through the left gear;
the gear on the input gear shaft is meshed with the gear on the first right gear shaft, the gear on the first right gear shaft is meshed with the gear on the second right gear shaft, the first right gear shaft is connected with one end of the first right clutch, the other end of the first right clutch is connected with the right output gear shaft, the second right gear shaft is connected with one end of the second right clutch, the other end of the second right clutch is connected with the third right gear shaft, and the gear on the third right gear shaft is meshed with the gear on the right output gear shaft through the right gear;
the second left clutch and the second right clutch are in a separation state, and when the first left clutch and the first right clutch are in an engagement state, the crawler vehicle is driven forward;
the second left clutch and the second right clutch are in an engaging state, and when the first left clutch and the first right clutch are in a disengaging state, the tracked vehicle is retracted;
the second left clutch and the first right clutch are in a separation state, and when the first left clutch and the second right clutch are in an engagement state, the crawler vehicle can rotate right in situ;
the second left clutch and the first right clutch are in an engaging state, and when the first left clutch and the second right clutch are in a disengaging state, the crawler vehicle can realize in-situ left turning.
As a further improved technical scheme of the utility model, the novel gear box further comprises a box body, wherein the input gear shaft, the first left gear shaft, the second left gear shaft, the third left gear shaft, the left output gear shaft, the first right gear shaft, the second right gear shaft, the third right gear shaft and the right output gear shaft are rotatably connected with the box body through bearings, and the left gear, the first left clutch, the second left clutch, the right gear, the first right clutch and the second right clutch are all positioned on the inner side of the box body.
As a further improved technical scheme of the utility model, the left gear is connected with a left gear shaft, the left gear shaft is rotationally connected with the box body through a bearing, the right gear is connected with a right gear shaft, and the right gear shaft is rotationally connected with the box body through a bearing.
As a further improved technical scheme of the utility model, the first left clutch, the second left clutch, the first right clutch and the second right clutch all adopt electromagnetic clutches. The electromagnetic clutches are convenient for automatic control, and the controller controls the actions (connection or disconnection) of each electromagnetic clutch in a wired or wireless mode, which belongs to the prior art and is not described.
The beneficial effects of the utility model are as follows:
the utility model realizes the forward and backward movement or the in-situ steering of the tracked vehicle, and the tracked vehicle does not rotate by taking the center point of the driving wheel on one of the two tracks as the rotation center, but rotates by taking the center points of the two driving wheels of the two parallel tracks of the tracked vehicle as the rotation center, so that the grounding points of the two parallel tracks are not easy to be jammed, the shearing force on soil is reduced, and the power loss is greatly reduced. The whole structure is convenient, flexible and reliable to operate, compact in structure and capable of improving the working efficiency of the tracked vehicle.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the advancing structure of the present utility model.
Fig. 3 is a schematic view of a backward structure of the present utility model.
Fig. 4 is a schematic view of an in-situ right-turn structure of the present utility model.
FIG. 5 is a schematic view of an in-situ left-turn structure of the present utility model.
Detailed Description
The following is a further description of embodiments of the utility model, with reference to the accompanying drawings:
the transmission gearbox for the tracked vehicle comprises an input gear shaft F, a first left gear shaft D1, a second left gear shaft C1, a first left clutch B1, a second left clutch A1, a third left gear shaft C2, a left gear E1, a left output gear shaft D2, a first right gear shaft D3, a second right gear shaft C3, a first right clutch B2, a second right clutch A2, a third right gear shaft C4, a right gear E2 and a right output gear shaft D4 as shown in fig. 1.
As shown in fig. 1, the gear on the input gear shaft F is meshed with the gear on the first left gear shaft D1, the gear on the first left gear shaft D1 is meshed with the gear on the second left gear shaft C1, the first left gear shaft D1 is connected with one end of the first left clutch B1, the other end of the first left clutch B1 is connected with the left output gear shaft D2, the second left gear shaft C1 is connected with one end of the second left clutch A1, the other end of the second left clutch A1 is connected with the third left gear shaft C2, and the gear on the third left gear shaft C2 is meshed with the gear on the left output gear shaft D2 through the left gear E1. The left output gear shaft D2 is used for connecting with a driving wheel on one track.
As shown in fig. 1, the gear on the input gear shaft F is meshed with the gear on the first right gear shaft D3, the gear on the first right gear shaft D3 is meshed with the gear on the second right gear shaft C3, the first right gear shaft D3 is connected with one end of the first right clutch B2, the other end of the first right clutch B2 is connected with the right output gear shaft D4, the second right gear shaft C3 is connected with one end of the second right clutch A2, the other end of the second right clutch A2 is connected with the third right gear shaft C4, the gear on the third right gear shaft C4 is meshed with the gear on the right output gear shaft D4 through the right gear E2, and the right output gear shaft D4 is used for being connected with a driving wheel on another track.
The second left clutch A1 and the second right clutch A2 are in a separation state, and when the first left clutch B1 and the first right clutch B2 are in an engagement state, the tracked vehicle is driven forward; the second left clutch A1 and the second right clutch A2 are in an engaging state, and the first left clutch B1 and the first right clutch B2 are in a disengaging state, so that the tracked vehicle can be retracted; the second left clutch A1 and the first right clutch B2 are in a separation state, and when the first left clutch B1 and the second right clutch A2 are in an engagement state, the track vehicle is turned right in situ; the second left clutch A1 and the first right clutch B2 are in an engaging state, and when the first left clutch B1 and the second right clutch A2 are in a disengaging state, the tracked vehicle can realize in-situ left turning.
As shown in fig. 1, the present embodiment further includes a box G, where the input gear shaft F, the first left gear shaft D1, the second left gear shaft C1, the third left gear shaft C2, the left output gear shaft D2, the first right gear shaft D3, the second right gear shaft C3, the third right gear shaft C4, and the right output gear shaft D4 are rotatably connected to the box G through bearings, and the left gear E1, the first left clutch B1, the second left clutch A1, the right gear E2, the first right clutch B2, and the second right clutch A2 are all located inside the box G.
The left gear E1 is connected with a left gear shaft, the left gear shaft is rotationally connected with the box G through a bearing, the right gear E2 is connected with a right gear shaft, and the right gear shaft is rotationally connected with the box G through a bearing. The left gear shaft supports the left gear E1 and the right gear shaft supports the right gear E2.
The first left clutch B1, the second left clutch A1, the first right clutch B2 and the second right clutch A2 all adopt electromagnetic clutches. The electromagnetic clutches are convenient for automatic control, and the controller controls the actions (connection or disconnection) of each electromagnetic clutch in a wired or wireless mode, which belongs to the prior art and is not described any more, so that the electric control of the tracked vehicle can be realized.
When traveling forward, the vehicle is traveling forward: as shown in fig. 2, the second left clutch A1 and the second right clutch A2 are disengaged, and the first left clutch B1 and the first right clutch B2 are engaged. The input gear shaft F is set to rotate clockwise, at this time, the input gear shaft F drives the first left gear shaft D1 and the first right gear shaft D3 to rotate anticlockwise, the left output gear shaft D2 is connected with the first left gear shaft D1 through the first left clutch B1, the left output gear shaft D2 rotates anticlockwise, the right output gear shaft D4 is connected with the first right gear shaft D3 through the first right clutch B2, and the right output gear shaft D4 rotates anticlockwise. The left output gear shaft D2 and the right output gear shaft D4 all realize counterclockwise rotation, and the tracked vehicle advances.
During the backward running: as shown in fig. 3, the second left clutch A1 and the second right clutch A2 are engaged, and the first left clutch B1 and the first right clutch B2 are disengaged. Setting an input gear shaft F to rotate clockwise, wherein the input gear shaft F drives a first left gear shaft D1 to rotate anticlockwise, the first left gear shaft D1 drives a second left gear shaft C1 to rotate clockwise, the second left gear shaft C1 is connected with a third left gear shaft C2 through a second left clutch A1, the third left gear shaft C2 rotates clockwise, the third left gear shaft C2 drives a left gear E1 to rotate anticlockwise, and the left gear E1 drives a left output gear shaft D2 to rotate clockwise; meanwhile, the input gear shaft F drives the first right gear shaft D3 to rotate anticlockwise, the first right gear shaft D3 drives the second right gear shaft C3 to rotate clockwise, the second right gear shaft C3 is connected with the third right gear shaft C4 through the second right clutch A2, the third right gear shaft C4 rotates clockwise, the third right gear shaft C4 drives the right gear E2 to rotate anticlockwise, and the right gear E2 drives the right output gear shaft D4 to rotate clockwise. The left output gear shaft D2 and the right output gear shaft D4 all realize clockwise rotation, and the tracked vehicle retreats.
When turning right in place: as shown in fig. 4, the first left clutch B1 and the second right clutch A2 are engaged, and the second left clutch A1 and the first right clutch B2 are disengaged. Setting an input gear shaft F to rotate clockwise, wherein the input gear shaft F drives a first left gear shaft D1 to rotate anticlockwise, a left output gear shaft D2 is connected with the first left gear shaft D1 through a first left clutch B1, and the left output gear shaft D2 rotates anticlockwise; meanwhile, the input gear shaft F drives the first right gear shaft D3 to rotate anticlockwise, the first right gear shaft D3 drives the second right gear shaft C3 to rotate clockwise, the third right gear shaft C4 is connected with the second right gear shaft C3 through the second right clutch A2, the third right gear shaft C4 rotates clockwise, the third right gear shaft C4 drives the right gear E2 to rotate anticlockwise, and the right gear E2 drives the right output gear shaft D4 to rotate clockwise. The left output gear shaft D2 rotates anticlockwise, the right output gear shaft D4 rotates clockwise, and the tracked vehicle turns right in place, namely turns right.
When turning left in place: as shown in fig. 5, the first left clutch B1 and the second right clutch A2 are disengaged, and the second left clutch A1 and the first right clutch B2 are engaged. Setting an input gear shaft F to rotate clockwise, wherein the input gear shaft F drives a first left gear shaft D1 to rotate anticlockwise, the first left gear shaft D1 drives a second left gear shaft C1 to rotate clockwise, a third left gear shaft C2 is connected with the second left gear shaft C1 through a second left clutch A1, the third left gear shaft C2 rotates clockwise, the third left gear shaft C2 drives a left gear E1 to rotate anticlockwise, and the left gear E1 drives a left output gear shaft D2 to rotate clockwise; simultaneously, the input gear shaft F drives the first right gear shaft D3 to rotate anticlockwise, the right output gear shaft D4 is connected with the first right gear shaft D3 through the first right clutch B2, and the right output gear shaft D4 rotates anticlockwise. The left output gear shaft D2 rotates clockwise, the right output gear shaft D4 rotates anticlockwise, and the tracked vehicle turns left in situ, namely turns left.
The utility model realizes the forward and backward movement or the in-situ steering of the tracked vehicle, and the tracked vehicle does not rotate by taking the center point of the driving wheel on one of the two tracks as the rotation center, but rotates by taking the center points of the two driving wheels of the two parallel tracks of the tracked vehicle as the rotation center, so that the grounding points of the two parallel tracks are not easy to be jammed, the shearing force on soil is reduced, and the power loss is greatly reduced. The whole structure is convenient, flexible and reliable to operate, compact in structure and capable of improving the working efficiency of the tracked vehicle.
The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.
Claims (4)
1. The transmission gearbox for the tracked vehicle is characterized by comprising an input gear shaft, a first left gear shaft, a second left gear shaft, a first left clutch, a second left clutch, a third left gear shaft, a left gear, a left output gear shaft, a first right gear shaft, a second right gear shaft, a first right clutch, a second right clutch, a third right gear shaft, a right gear and a right output gear shaft;
the gear on the input gear shaft is meshed with the gear on the first left gear shaft, the gear on the first left gear shaft is meshed with the gear on the second left gear shaft, the first left gear shaft is connected with one end of the first left clutch, the other end of the first left clutch is connected with the left output gear shaft, the second left gear shaft is connected with one end of the second left clutch, the other end of the second left clutch is connected with the third left gear shaft, and the gear on the third left gear shaft is meshed with the gear on the left output gear shaft through the left gear;
the gear on the input gear shaft is meshed with the gear on the first right gear shaft, the gear on the first right gear shaft is meshed with the gear on the second right gear shaft, the first right gear shaft is connected with one end of the first right clutch, the other end of the first right clutch is connected with the right output gear shaft, the second right gear shaft is connected with one end of the second right clutch, the other end of the second right clutch is connected with the third right gear shaft, and the gear on the third right gear shaft is meshed with the gear on the right output gear shaft through the right gear;
the second left clutch and the second right clutch are in a separation state, and when the first left clutch and the first right clutch are in an engagement state, the crawler vehicle is driven forward;
the second left clutch and the second right clutch are in an engaging state, and when the first left clutch and the first right clutch are in a disengaging state, the tracked vehicle is retracted;
the second left clutch and the first right clutch are in a separation state, and when the first left clutch and the second right clutch are in an engagement state, the crawler vehicle can rotate right in situ;
the second left clutch and the first right clutch are in an engaging state, and when the first left clutch and the second right clutch are in a disengaging state, the crawler vehicle can realize in-situ left turning.
2. The transmission gearbox for a crawler vehicle according to claim 1, further comprising a box body, wherein the input gear shaft, the first left gear shaft, the second left gear shaft, the third left gear shaft, the left output gear shaft, the first right gear shaft, the second right gear shaft, the third right gear shaft, and the right output gear shaft are rotatably connected with the box body through bearings, and the left gear, the first left clutch, the second left clutch, the right gear, the first right clutch, and the second right clutch are all located inside the box body.
3. The transmission gearbox for a crawler vehicle according to claim 2, wherein the left gear is connected with a left gear shaft, the left gear shaft is rotatably connected with the box body through a bearing, the right gear is connected with a right gear shaft, and the right gear shaft is rotatably connected with the box body through a bearing.
4. The transmission gearbox for a crawler vehicle according to claim 1, wherein the first left clutch, the second left clutch, the first right clutch, and the second right clutch each employ an electromagnetic clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322295763.0U CN220551445U (en) | 2023-08-25 | 2023-08-25 | Transmission gear box for tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322295763.0U CN220551445U (en) | 2023-08-25 | 2023-08-25 | Transmission gear box for tracked vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220551445U true CN220551445U (en) | 2024-03-01 |
Family
ID=90009589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322295763.0U Active CN220551445U (en) | 2023-08-25 | 2023-08-25 | Transmission gear box for tracked vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220551445U (en) |
-
2023
- 2023-08-25 CN CN202322295763.0U patent/CN220551445U/en active Active
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