CN220500851U - Caterpillar band running gear of tracked vehicle - Google Patents
Caterpillar band running gear of tracked vehicle Download PDFInfo
- Publication number
- CN220500851U CN220500851U CN202322199460.9U CN202322199460U CN220500851U CN 220500851 U CN220500851 U CN 220500851U CN 202322199460 U CN202322199460 U CN 202322199460U CN 220500851 U CN220500851 U CN 220500851U
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- crawler
- crawler belt
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- 230000008093 supporting effect Effects 0.000 claims abstract description 51
- 239000000725 suspension Substances 0.000 claims abstract description 47
- 238000013016 damping Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000008602 contraction Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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Abstract
The utility model provides a crawler running gear of a crawler, which solves the technical problem of unstable running of the existing crawler, and comprises a roller mechanism, a crawler surrounding the roller mechanism and a supporting suspension frame arranged at the middle part of the crawler, wherein the roller mechanism comprises a driving wheel arranged at the rear part of the supporting suspension frame, a thrust wheel arranged below the supporting suspension frame and a towing wheel arranged above the supporting suspension frame, the roller mechanism also comprises a tension wheel assembly, the tension wheel assembly is arranged between the crawler and the front end of the supporting suspension frame, the tension wheel assembly comprises a tension wheel, a front fork and a telescopic assembly, the tension wheel is in meshed connection with the crawler, the tension wheel is connected with the front fork, the telescopic assembly is arranged at the rear part of the front fork, and the telescopic assembly is fixed on the supporting suspension frame; a damping component is vertically arranged between the supporting suspension and the thrust wheel and comprises a damping connecting rod and a hydraulic damping spring sleeved with the damping connecting rod. The utility model can be widely applied to the technical field of tracked vehicles.
Description
Technical Field
The application belongs to the technical field of tracked vehicles, and more particularly relates to a tracked running gear of a tracked vehicle.
Background
Along with the general improvement of the mechanization level, the tracked vehicle is widely applied to the fields of rough mountain road rescue, rescue and disaster relief, agricultural work, engineering construction and the like due to the high adaptability of the tracked vehicle to complex road conditions. However, some existing crawler traveling mechanisms are complex in structure, and the problem that the crawler is unstable in contact with the ground, misplaced and unstable in advancing operation can occur due to the fact that the crawler is loose and lacks a tensioning adjusting mechanism when used for a long time.
In addition, tracked vehicles often utilize suspension cylinders to cushion impacts or to clear a roadblock. However, when the crawler turns or brakes, in order to maintain the stability of the vehicle body, the suspension cylinders with larger rigidity are required to prevent the roll or nodding from being excessively large, and the existing suspension cylinders are difficult to adapt to the rigidity requirement at the moment.
Disclosure of Invention
The utility model aims to solve the defects of the background technology and provides the crawler traveling device of the crawler with simple structure, stable operation and good shock absorption effect.
The utility model provides a crawler running device of a crawler, which comprises a roller mechanism, a crawler surrounding the roller mechanism, a supporting suspension frame arranged at the middle part of the crawler, wherein the roller mechanism comprises a driving wheel arranged at the rear part of the supporting suspension frame, a thrust wheel arranged below the supporting suspension frame and a towing wheel arranged above the supporting suspension frame, the roller mechanism further comprises a tension wheel assembly arranged between the crawler and the front end of the supporting suspension frame, the tension wheel assembly comprises a tension wheel, a front fork and a telescopic assembly, the tension wheel is in meshed connection with the crawler, the tension wheel is connected with the front fork, the rear part of the front fork is provided with a telescopic assembly, and the telescopic assembly is fixed on the supporting suspension frame; and a damping component is vertically arranged between the supporting suspension and the thrust wheel and comprises a damping connecting rod and a hydraulic damping spring sleeved with the damping connecting rod.
Preferably, the front fork comprises a connecting part connected with the tensioning wheel and a sleeve matched with the telescopic component.
Preferably, the tensioner assembly further comprises a support piece, the support piece is sleeved with the front fork and the telescopic assembly, and a sliding groove is formed in the support piece.
Preferably, the expansion assembly is provided with a tensioning screw, the tensioning screw is sleeved with a tensioning spring, one end of the tensioning spring is connected with a movable block, the movable block is in sliding connection with the sliding chute, the other end of the tensioning spring is connected with a fixed block, and the fixed block is fixed on the supporting suspension.
Preferably, the adjacent side of the damping component is provided with a support arm, and the upper end and the lower end of the support arm are respectively and movably connected with the supporting suspension and the thrust wheel.
Preferably, the tension wheel, the thrust wheel and the towing wheel are all of double-wheel-edge structures.
Preferably, a plurality of induced teeth are uniformly distributed on the inner surface of the crawler belt, and reinforcing anti-skid ribs are arranged on the outer surface of the crawler belt.
The beneficial effects of the utility model are as follows:
(1) The utility model provides a crawler running device of a crawler, which is provided with a tensioning wheel assembly, wherein the tensioning wheel assembly comprises a tensioning wheel, a front fork and a telescopic assembly, and the tensioning force of the tensioning wheel is provided through the cooperation of the telescopic assembly and the front fork, so that the tightness degree of the crawler is adjusted, and the stable running of the crawler is ensured.
(2) The utility model provides a crawler running device of a crawler, wherein a damping component is vertically arranged between a supporting suspension and a supporting wheel of the crawler, the damping component comprises a damping connecting rod and a hydraulic damping spring sleeved with the damping connecting rod, the vertical motion of the supporting wheel is converted into the expansion and contraction of the hydraulic damping spring by utilizing the vertical suspension damping component, the generated elastic deformation is provided for the supporting force of the crawler, the crawler has a longer damping stroke, the subversion of an uneven road to the crawler is reduced, the running smoothness and the comfort of the crawler are improved, and the stable running of the crawler is further ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required for the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an installation of a crawler running gear of a crawler of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic structural view of a tensioner assembly of the present utility model;
FIG. 4 is a cross-sectional view of the tensioner assembly of the present utility model;
FIG. 5 is a schematic view of the front fork of the present utility model;
FIG. 6 is an enlarged view of FIG. 1 at A;
fig. 7 is a schematic view of the installation of the traction sheave of the present utility model.
The symbols in the drawings illustrate:
1. a track; 2. supporting a suspension; 3. a driving wheel; 4. a thrust wheel; 5. a tensioning wheel; 6. a towing wheel; 7. a front fork; 71. a connection part; 72. a sleeve; 73. a first connection ring; 74. a second connecting ring; 8. a support; 81. a chute; 9. a shock absorbing connecting rod; 10. a hydraulic shock-absorbing spring; 11. a movable block; 12. a fixed block; 13. tensioning a spring; 14. tensioning a screw rod; 15. a fixing member; 16. a support arm; 17. a first fixing seat; 18. the second fixing seat; 19. a fixing frame; 20. inducing teeth; 21. reinforcing the anti-skid ribs.
Description of the embodiments
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", "side", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The crawler travel device of the crawler provided by the embodiment of the application is now described. The crawler traveling device of the crawler vehicle comprises a roller mechanism, a crawler 1 surrounding the roller mechanism and a supporting suspension 2 arranged in the middle of the crawler 1 as shown in fig. 1-2. The roller mechanism comprises a driving wheel 3 arranged at the rear of the supporting suspension 2, a thrust wheel 4 arranged below the supporting suspension 2 and a towing wheel 6 arranged above the supporting suspension 2. The roller mechanism further comprises a tension roller assembly, as shown in fig. 2-3, the tension roller assembly is arranged between the crawler belt 1 and the front end of the supporting suspension frame 2, the tension roller assembly comprises a tension roller 5, a front fork 7 connected with the tension roller 5 and a telescopic assembly matched and connected with the front fork 7, the tension roller 5 is meshed and connected with the crawler belt 1, the tension roller 5 is connected with the front fork 7, the telescopic assembly is arranged behind the front fork 7, and the telescopic assembly is fixed on the supporting suspension frame 2. The tensioning force of the tensioning wheel 5 is provided through the matching of the telescopic component and the front fork 7, so that the purpose of automatically adjusting the tightness degree of the crawler belt 1 is achieved, and the stable running of the crawler belt vehicle is ensured. A damping component is vertically arranged between the supporting suspension 2 and the thrust wheel 4, the damping component comprises a damping connecting rod 9 and a hydraulic damping spring 10 sleeved with the damping connecting rod 9, the vertical motion of the thrust wheel 4 is converted into the expansion and contraction of the hydraulic damping spring 10 by utilizing the vertical suspension damping component, the damping component has a longer damping stroke, and the stable running of the crawler is further ensured.
Specifically, the tensioner 5 adopts a double-rim structure, namely, two tensioner bodies are arranged, and the two tensioner bodies are symmetrically arranged, so that synchronous tensioning of the two tensioner bodies is realized, and the two tensioner bodies are connected through a first wheel shaft. As shown in fig. 5, the front fork 7 has a Y shape, and includes a connecting portion 71 and a sleeve 72, and the connecting portion 71 and the sleeve 72 are integrally connected. The connecting portion 71 comprises a first connecting ring 73 and a second connecting ring 74 arranged on the inclined side of the first connecting ring 73, and the first connecting ring 73 and the second connecting ring 74 are sleeved on the first wheel shaft and used for connecting the tension wheel 5 and the front fork 7. The sleeve 72 is a square hollow body for mating connection with the telescoping assembly.
As shown in fig. 3-4, the tensioner assembly further comprises a support member 8, the support member 8 is sleeved with the front fork 7 and the telescopic assembly, and a sliding groove 81 is arranged in the support member 8. The telescopic assembly comprises a tensioning screw 14 and a tensioning spring 13. Specifically, the tension screw 14 extends partially into the sleeve 72 of the front fork 7, and the tension spring 13 is sleeved on the tension screw 14 located outside the sleeve 72. One end of the tensioning spring 13 is connected with the movable block 11, the movable block 11 is sleeved on the tensioning screw 14 and is movably connected with the sliding groove 81, the other end of the tensioning spring 13 is connected with the fixed block 12, and the fixed block 12 is sleeved on the tensioning screw 14 and is fixed on the supporting suspension 2. When the front fork 7 is initially installed, the sleeve 72 of the front fork 7 is in contact with the movable block 11, the tensioning spring 13 is compressed, and the compression force of the tensioning spring 13 is transmitted to the tensioning wheel 5 through the front fork 7, so that the tensioning wheel 5 is meshed with the crawler belt 1, and a certain tensioning force is reserved. When the crawler belt 1 is loosened due to long-term use, the tensioning spring 13 can recover a certain deformation amount, so that the movable block is driven to push the front fork to move towards the direction of the tensioning wheel 5, the tensioning wheel 5 is driven to be meshed with the crawler belt 1, the purpose of automatically adjusting the tensioning force is achieved, and the stability of the crawler belt is ensured.
Further, a plurality of screw holes are formed at the upper and lower ends of the support member 8, and the support member 8 is fixed to the support hanger bracket 2 by tightening nuts.
In one embodiment, as shown in fig. 6, the adjacent side of the shock absorbing assembly is provided with a support arm 16, and the upper end and the lower end of the support arm 16 are respectively movably connected with the supporting suspension 2 and the thrust wheel 4. When the crawler encounters an uneven road surface, the thrust wheel 4 moves vertically under the action of the support arm 16, at this time, the damping component converts the vertical movement of the thrust wheel 4 into the expansion and contraction of the hydraulic shock-absorbing spring 10, and the elastic deformation generated by the expansion and contraction of the hydraulic shock-absorbing spring provides the supporting force for the crawler, so that the subversion of the uneven road surface to the crawler is reduced, and the running smoothness and comfort of the crawler are improved.
Specifically, the thrust wheel 4 is also a double-rim structure, and is provided with two thrust wheel bodies, and the two thrust wheel bodies are symmetrically arranged. In order to ensure that the two thrust wheel bodies realize synchronous movement, the two thrust wheel bodies are connected through a second wheel shaft. The support arms 16 are preferably provided with two, a plurality of fixing pieces 15 are fixed at the lower ends of the support suspension 2, the upper ends of the two support arms 16 are movably connected with the corresponding fixing pieces 15, and the lower ends of the two support arms 16 are movably connected with the corresponding second wheel shafts.
Further, the upper and lower ends of the damper link 9 are connected to the support hanger 2 and the arm 16, respectively. Specifically, the upper end of the damping connecting rod 9 is provided with a first fixing seat 17, the first fixing seat 17 is in pin joint with the supporting suspension frame 2, the lower end of the damping connecting rod 9 is provided with a second fixing seat 18, and the second fixing seat 18 is in pin joint with a connecting shaft connected with the lower ends of the two support arms 16, so that the damping component is vertically suspended between the supporting suspension frame 2 and the thrust wheel 4.
In one embodiment, as shown in fig. 2 and 7, the towing wheel 6 is also of a double rim structure, i.e. two towing wheel bodies are provided, which are connected by a third wheel shaft in order to ensure that the two towing wheel bodies move simultaneously. The third wheel shafts close to the two towing pulley bodies are respectively sleeved with a fixing frame 19, the lower ends of the fixing frames 19 are fixed on the supporting suspension frames 2 through set screws, the towing pulley 6 is fixed above the supporting suspension frames 2 and used for supporting the upper crawler belt 1, the crawler belt 1 is prevented from sagging too much, so that the jolt phenomenon of the crawler belt 1 in movement is reduced, the movement direction of the upper crawler belt 1 is guided, and the crawler belt 1 is prevented from sliding sideways.
The driving wheel 2 arranged at the rear of the supporting suspension 2 is connected with a driving mechanism in the crawler for driving the crawler 1 to move.
In order to correct the crawler belt 1 during the running of the crawler, the crawler belt 1 is prevented from falling off when the crawler belt turns or rolls sideways, and a plurality of induced teeth 20 are uniformly distributed on the inner surface of the crawler belt 1. In order to improve the adhesion of the crawler belt 1 to the ground, the outer surface of the crawler belt 1 is also provided with reinforcing anti-skid ribs 21.
The working principle of the utility model is as follows:
when the tensioner assembly is initially installed, the sleeve 72 of the front fork 7 is in contact with the movable block 11, the tension spring 13 is compressed, and the compression force of the tension spring 13 is transmitted to the tensioner 5 through the front fork 7, so that the tensioner 5 is meshed with the crawler belt 1, and a certain tensioning force is reserved. The driving wheel 3 drives the crawler belt 1 to rotate, so that the supporting wheel 4, the tensioning wheel 5 and the towing wheel 6 are driven to rotate in sequence, and the crawler belt vehicle is driven to run forwards. When the crawler belt 1 is loosened due to long-term use, the compressed tensioning spring 13 returns to a certain deformation amount, so that the movable block 11 is driven to push the front fork 7 to move towards the tensioning wheel 5, and further the tensioning wheel 5 is driven to be meshed with the crawler belt 1, the purpose of automatically adjusting the tensioning force is achieved, and the stability of the crawler belt is ensured. When the tracked vehicle encounters uneven ground, the vertical movement of the supporting wheel 4 is converted into the expansion and contraction of the hydraulic shock absorbing spring 10 through the cooperation of the supporting arm 16, the supporting wheel 4 and the shock absorbing component, so that the generated elastic deformation provides supporting force for the tracked vehicle, the subversion of the uneven ground to the tracked vehicle is reduced, and the running stability of the tracked vehicle is further ensured.
The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.
Claims (7)
1. The utility model provides a crawler running gear of tracked vehicle, includes roller mechanism, around roller mechanism's track and locates the support suspension of track middle part, roller mechanism is including locating the drive wheel that supports the suspension rear, locating the thrust wheel of support suspension below and locating the towing wheel that supports the suspension top, its characterized in that: the roller mechanism further comprises a tension roller assembly, the tension roller assembly is arranged between the crawler belt and the front end of the supporting suspension, the tension roller assembly comprises a tension roller, a front fork and a telescopic assembly, the tension roller is in meshed connection with the crawler belt, the tension roller is connected with the front fork, the telescopic assembly is arranged behind the front fork, and the telescopic assembly is fixed on the supporting suspension; and a damping component is vertically arranged between the supporting suspension and the thrust wheel and comprises a damping connecting rod and a hydraulic damping spring sleeved with the damping connecting rod.
2. The crawler belt running gear of a crawler belt vehicle according to claim 1, wherein: the front fork comprises a connecting part connected with the tensioning wheel and a sleeve matched with the telescopic component.
3. The crawler belt running gear of a crawler belt vehicle according to claim 1, wherein: the tensioning wheel assembly further comprises a supporting piece, the supporting piece is sleeved with the front fork and the telescopic assembly, and a sliding groove is formed in the supporting piece.
4. A crawler belt unit for a crawler as in claim 3 wherein: the telescopic assembly is provided with a tensioning screw, a tensioning spring is sleeved on the tensioning screw, one end of the tensioning spring is connected with a movable block, the movable block is in sliding connection with the sliding chute, the other end of the tensioning spring is connected with a fixed block, and the fixed block is fixed on the supporting suspension.
5. The crawler belt running gear of a crawler belt vehicle according to claim 1, wherein: the adjacent side of the damping component is provided with a support arm, and the upper end and the lower end of the support arm are respectively and movably connected with the supporting suspension and the thrust wheel.
6. The crawler belt running gear according to claim 1, wherein: the tensioning wheel, the supporting wheel and the towing wheel are of double-wheel-edge structures.
7. The crawler belt running gear of a crawler belt vehicle according to claim 1, wherein: the inner surface of the crawler belt is uniformly provided with a plurality of induced teeth, and the outer surface of the crawler belt is provided with reinforcing anti-skid ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199460.9U CN220500851U (en) | 2023-08-16 | 2023-08-16 | Caterpillar band running gear of tracked vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322199460.9U CN220500851U (en) | 2023-08-16 | 2023-08-16 | Caterpillar band running gear of tracked vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220500851U true CN220500851U (en) | 2024-02-20 |
Family
ID=89878977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322199460.9U Active CN220500851U (en) | 2023-08-16 | 2023-08-16 | Caterpillar band running gear of tracked vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220500851U (en) |
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2023
- 2023-08-16 CN CN202322199460.9U patent/CN220500851U/en active Active
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