Tracked vehicle balance shaft jacking device

Abstract

The utility model relates to the technical field of balance shaft jacking devices, in particular to a tracked vehicle balance shaft jacking device. According to the technical scheme, the device comprises an installation base and further comprises clamping plates installed on the two sides in the installation base in a sliding mode, a driving assembly for driving the two clamping plates to be close to or away from each other and a supporting base installed on the installation base in a sliding mode are installed in the installation base, and a supporting arm and a limiting mechanism are rotationally installed on the supporting base. And the limiting mechanism is mounted on the supporting seat. The mounting seat is mounted on the crawler belt through the clamping plate, and the bearing arm is rotated to enable the arc-shaped bearing sleeve to abut against the balance shaft. The movable crawler belt drives the mounting base to move, the movable supporting base gradually moves in the inclination direction of the supporting arm, the supporting arm drives the balance shaft to ascend, then the loading wheel is lifted, the loading wheel can be rapidly disassembled under the condition that the crawler belt is not disassembled, and the loading wheel replacing efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of balance shaft top holders, and particularly relates to a balance shaft top holder for crawler vehicles. Background Art

[0002] The road wheels of crawler vehicles are important components that bear the weight of the vehicle body and are responsible for evenly transmitting the weight to the ground. Therefore, their condition is directly related to the driving performance and stability of the vehicle. Due to wear and damage, the road wheels need to be replaced. When replacing the road wheels, it is necessary to disconnect the crawler or dig a hole on the ground to replace the road wheels. Using this method will waste a lot of time and is not conducive to emergency repair work. Summary of the Utility Model

[0003] The purpose of the utility model is to address the problem that when replacing the road wheels as mentioned in the background art, it is necessary to disconnect the crawler or dig a hole on the ground to replace the road wheels, and to propose a balance shaft top holder for crawler vehicles that can replace the road wheels without disconnecting the crawler.

[0004] The technical solution of the utility model: A balance shaft top holder for crawler vehicles includes a mounting seat, and further includes:

[0005] Clamping plates slidably mounted on both sides inside the mounting seat, and a driving assembly for driving the two clamping plates to approach or separate from each other is installed inside the mounting seat;

[0006] A support seat slidably mounted on the mounting seat, a support arm is rotatably mounted on the support seat, and the support arm supports the balance shaft of the vehicle;

[0007] A limiting mechanism is installed on the support seat, and the limiting mechanism limits the support arm when the support arm is perpendicular to the support seat.

[0008] Optionally, an installation groove is provided inside the mounting seat, and the clamping plates are slidably mounted inside the installation groove.

[0009] Optionally, the driving assembly includes a driving plate rotatably mounted inside the installation groove, two connecting rods rotatably mounted on the driving plate, the two connecting rods are respectively and rotatably connected to the two clamping plates, a telescopic rod is fixedly installed on the driving plate, a threaded rod is fixedly installed on the telescopic rod, the threaded rod penetrates through one side of the mounting seat and extends to the outside of the mounting seat, the threaded rod is threadedly connected to the mounting seat, and a turning handle is fixedly installed on the threaded rod.

[0010] Optionally, an adjusting assembly for driving the support seat to move on the mounting seat is installed on the mounting seat.

[0011] Optionally, the adjusting component includes a lead screw rotatably mounted on the mounting base and a guide rod fixedly mounted on the mounting base. The lead screw is threadedly connected to the support base, the guide rod is slidably connected to the support base, and a handle is fixedly mounted at one end of the lead screw.

[0012] Optionally, the support arm includes a support arm rotatably mounted on the support base, a supporting arm fixedly mounted on the support arm, and an arc-shaped supporting sleeve fixedly mounted on the supporting arm.

[0013] Optionally, the limiting mechanism includes two sleeves fixedly mounted on the support base, a limiting rod slidably mounted in the sleeves, a spring fixedly mounted on the limiting rod, the other end of the spring is fixedly connected to the sleeve, a pull rod is fixedly mounted on the limiting rod, a handle is fixedly mounted on the two pull rods, the handle penetrates through one side of the sleeve and extends to the outside of the sleeve, the limiting rod penetrates through one side of the support base and extends to the inside of the support base, and a limiting hole is provided on the support arm.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] The mounting base is mounted on the crawler belt through the clamping plate. Then rotate the supporting arm so that the arc-shaped supporting sleeve abuts against the balance shaft, and then start the vehicle to move, driving the crawler belt to rotate. The moving crawler belt will drive the mounting base to move, and then drive the support base to move. The moving support base will gradually move in the direction of the inclination of the support arm. At this time, the included angle between the support base and the support arm will gradually decrease, so that the support arm drives the balance shaft to rise, and then the road wheel is lifted. The road wheel can be quickly disassembled without disassembling the crawler belt, which can improve the efficiency of replacing the road wheel.

[0016] Furthermore, through the limiting mechanism, when the support base and the support arm are in a vertical position, the road wheel will be lifted to the highest position at this time. At the same time, under the action of the spring, the limiting rod enters the limiting hole on the support arm, and at this time, the support arm cannot rotate, so as to play a stable role in supporting the balance shaft and prevent the road wheel from tipping over when being disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The structural schematic diagram of an embodiment of the utility model is given;

[0018] Figure 2 The internal sectional view of the utility model is given;

[0019] Figure 3 The structural schematic diagram of the drive component of the utility model is given;

[0020] Figure 4 The structural schematic diagram of the support arm of the utility model is given;

[0021] Figure 5 is Figure 2 the partial enlarged view of position A in

[0022] Figure 6 is Figure 2 the partial enlarged view of position B in

[0023] Reference numerals: 1, mounting base; 2, mounting groove; 201, clamping plate; 202, driving plate; 203, connecting rod; 204, telescopic rod; 205, threaded rod; 206, turning handle; 3, supporting base; 301, lead screw; 302, guide rod; 303, handle; 304, supporting arm; 305, supporting arm; 306, arc-shaped supporting sleeve; 4, sleeve; 401, limiting rod; 402, spring; 403, pull rod; 404, handle. Detailed implementation manners

[0024] The technical solutions of the present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Embodiment

[0026] As Figures 1-3 and Figure 5As shown in the figure, a balance shaft top mounting device for a crawler vehicle proposed by the present utility model includes a mounting base 1, and further includes clamping plates 201 slidably mounted on both sides inside the mounting base 1. A driving assembly for driving the two clamping plates 201 to approach or separate from each other is installed inside the mounting base 1. An installation groove 2 is provided inside the mounting base 1, and the clamping plates 201 are slidably mounted inside the installation groove 2. The driving assembly includes a driving plate 202 rotatably mounted inside the installation groove 2, and two connecting rods 203 rotatably mounted on the driving plate 202. The two connecting rods 203 are in one-to-one correspondence with the two clamping plates 201 and are rotatably connected. A telescopic rod 204 is fixedly installed on the driving plate 202, and a threaded rod 205 is fixedly installed on the telescopic rod 204. The threaded rod 205 penetrates through one side of the mounting base 1 and extends to the outside of the mounting base 1. The threaded rod 205 is threadedly connected to the mounting base 1, and a turning handle 206 is fixedly installed on the threaded rod 205. Rotating the turning handle 206 drives the threaded rod 205 to rotate. The rotation of the threaded rod 205 on the mounting base 1 will cause a lifting movement on the mounting base 1. At this time, it will drive the telescopic rod 204 to rotate and telescopic at the same time. The rotating telescopic rod 204 will drive the driving plate 202 to rotate, and the rotating driving plate 202 can drive the connecting rod 203 to swing. The swinging connecting rod 203 will push the clamping plate 201 to slide inside the installation groove 2, and thus can drive the two clamping plates 201 to approach or separate from each other. When the two clamping plates 201 move to both sides of the crawler belt and the two clamping plates 201 are in contact with the crawler belts on both sides, the mounting base 1 can be installed on the crawler belt through the clamping plates 201. And due to the self-locking property of the thread between the threaded rod 205 and the mounting base 1, the clamping plate 201 can be prevented from loosening.

[0027] As Figure 1 and Figure 4 shown, a support base 3 slidably mounted on the mounting base 1, and a support arm is rotatably mounted on the support base 3, and the support arm supports the balance shaft of the vehicle. The support arm includes a support arm 304 rotatably mounted on the support base 3, a supporting arm 305 fixedly installed on the support arm 304, and an arc-shaped supporting sleeve 306 fixedly installed on the supporting arm 305. After the mounting base 1 is installed on the crawler belt through the clamping plates 201, rotate the supporting arm 305 so that the arc-shaped supporting sleeve 306 abuts against the balance shaft.

[0028] An adjusting assembly for driving the support base 3 to move on the mounting base 1 is installed on the mounting base 1. The adjusting assembly includes a lead screw 301 rotatably mounted on the mounting base 1, a guide rod 302 fixedly installed on the mounting base 1. The lead screw 301 is threadedly connected to the support base 3, the guide rod 302 is slidably connected to the support base 3, and a handle 303 is fixedly installed at one end of the lead screw 301. By rotating the handle 303, the lead screw 301 can be driven to rotate. By rotating the lead screw 301, the support base 3 can be driven to slide on the mounting base 1. Thus, the arc-shaped supporting sleeve 306 can be driven to move so that the supporting sleeve moves to a position where it can contact the balance shaft.

[0029] As Figure 6 shown, there is a limiting mechanism which is installed on the support base 3. When the support arm is perpendicular to the support base 3, the limiting mechanism limits the support arm. The limiting mechanism includes two sleeves 4 fixedly installed on the support base 3, a limiting rod 401 slidably installed in the sleeve 4, a spring 402 fixedly installed on the limiting rod 401, and the other end of the spring 402 is fixedly connected to the sleeve 4. A pull rod 403 is fixedly installed on the limiting rod 401, and a handle 404 is fixedly installed on the two pull rods 403. The handle 404 penetrates through one side of the sleeve 4 and extends to the outside of the sleeve 4. The limiting rod 401 penetrates through one side of the support base 3 and extends into the inside of the support base 3. A limiting hole is provided on the support arm 304. When rotating the supporting arm 305, it is necessary to pull the handle 404 outwards. The handle 404 will drive the pull rod 403 to move, drive the limiting rod 401 to move through the pull rod 403, so that the limiting rod 401 disengages from the limiting hole on the support arm 304. During this process, the spring 402 is compressed. When the limiting rod 401 disengages from the limiting hole on the support arm 304, the support arm 304 can be rotated freely. At this time, there is a certain angle between the support arm 304 and the support base 3. At this time, the vehicle is started to move, driving the crawler to rotate. At this time, the crawler will move relative to the road wheel, and the road wheel is installed on the balance shaft. The moving crawler will drive the mounting seat 1 to move, and then drive the support base 3 to move. The moving support base 3 will gradually move in the direction of the inclination of the support arm 304. At this time, the angle between the support base 3 and the support arm 304 will gradually decrease, so that the support arm 304 drives the balance shaft to rise. Furthermore, the road wheel is lifted. When the support base 3 and the support arm 304 are in a vertical position, the road wheel will be lifted to the highest position at this time. At the same time, under the action of the spring 402, the limiting rod 401 enters the limiting hole on the support arm 304. At this time, the support arm 304 cannot be rotated. Thus, it plays a stable role in supporting the balance shaft. At this time, the road wheel disengages from the crawler guide teeth. The road wheel can be replaced.

[0030] Working principle: Rotating the handle 206 drives the driving plate 202 to rotate. The rotating driving plate 202 can drive the connecting rod 203 to swing. The swinging connecting rod 203 will push the clamping plate 201 to slide in the installation groove 2, and then can drive the two clamping plates 201 to approach or move away from each other. When the two clamping plates 201 move to both sides of the crawler and make the two clamping plates 201 fit with the crawlers on both sides, the mounting seat 1 can be installed on the crawler through the clamping plate 201. And due to the self-locking property of the thread between the threaded rod 205 and the mounting seat 1, the clamping plate 201 can be prevented from loosening. Pulling the handle 404 outwards, the handle 404 will drive the pull rod 403 to move. The pull rod 403 drives the limit rod 401 to move, so that the limit rod 401 disengages from the limit hole on the support arm 304. Then rotate the supporting arm 305 so that the arc-shaped supporting sleeve 306 abuts against the balance shaft. Start the vehicle to move, drive the crawler to rotate. The moving crawler will drive the mounting seat 1 to move, and then drive the support seat 3 to move. The moving support seat 3 will gradually move in the direction of the inclination of the support arm 304. At this time, the included angle between the support seat 3 and the support arm 304 will gradually decrease, so that the support arm 304 drives the balance shaft to rise, and then the road wheel is lifted. When the support seat 3 and the support arm 304 are in a vertical position, the road wheel will be lifted to the highest position. At the same time, under the action of the spring 402, the limit rod 401 enters the limit hole on the support arm 304. At this time, the support arm 304 cannot rotate, so as to play a stable role in supporting the balance shaft. At this time, the road wheel is separated from the crawler guide teeth, and the road wheel can be replaced.

[0031] The above specific embodiments are only several optional embodiments of the present invention. Based on the technical solution of the present invention and the relevant revelations of the above embodiments, those skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A crawler vehicle balance shaft top-mounted device, comprising a mounting base (1), characterized in that, It further includes: Clamping plates (201) slidably mounted on both sides inside the mounting base (1), and a driving assembly for driving the two clamping plates (201) to approach or separate from each other is mounted inside the mounting base (1); A support base (3) slidably mounted on the mounting base (1), a support arm is rotatably mounted on the support base (3), and the support arm supports the balance shaft of the vehicle; A limiting mechanism is mounted on the support base (3), and when the support arm is perpendicular to the support base (3), the limiting mechanism limits the support arm.

2. The balancer shaft top-mounted device for a crawler vehicle according to claim 1, wherein An installation groove (2) is provided inside the mounting base (1), and the clamping plate (201) is slidably mounted inside the installation groove (2).

3. The balancer shaft top-mounted device for a crawler vehicle according to claim 2, wherein The driving assembly includes a driving plate (202) rotatably mounted inside the installation groove (2), two connecting rods (203) rotatably mounted on the driving plate (202), the two connecting rods (203) are respectively and rotatably connected to the two clamping plates (201), a telescopic rod (204) is fixedly mounted on the driving plate (202), a threaded rod (205) is fixedly mounted on the telescopic rod (204), the threaded rod (205) penetrates through one side of the mounting base (1) and extends to the outside of the mounting base (1), the threaded rod (205) is threadedly connected to the mounting base (1), and a turning handle (206) is fixedly mounted on the threaded rod (205).

4. A crawler vehicle balance shaft top-mounted device according to claim 1, characterized in that, An adjusting assembly for driving the support base (3) to move on the mounting base (1) is mounted on the mounting base (1).

5. A crawler vehicle balance shaft top-mounted device according to claim 4, characterized in that, The adjusting assembly includes a lead screw (301) rotatably mounted on the mounting base (1), a guide rod (302) fixedly mounted on the mounting base (1), the lead screw (301) is threadedly connected to the support base (3), the guide rod (302) is slidably connected to the support base (3), and a handle (303) is fixedly mounted on one end of the lead screw (301).

6. The balancer shaft top-mounted device for a crawler vehicle according to claim 1, wherein, The support arm includes a support arm (304) rotatably mounted on the support base (3), a supporting arm (305) fixedly mounted on the support arm (304), and an arc-shaped supporting sleeve (306) fixedly mounted on the supporting arm (305).

7. A crawler vehicle balance shaft top-mounted device according to claim 6, characterized in that, The limiting mechanism includes two sleeves (4) fixedly mounted on the support base (3), a limiting rod (401) slidably mounted inside the sleeve (4), a spring (402) fixedly mounted on the limiting rod (401), the other end of the spring (402) is fixedly connected to the sleeve (4), a pull rod (403) is fixedly mounted on the limiting rod (401), a handle (404) is fixedly mounted on the two pull rods (403), the handle (404) penetrates through one side of the sleeve (4) and extends to the outside of the sleeve (4), the limiting rod (401) penetrates through one side of the support base (3) and extends to the inside of the support base (3), and a limiting hole is provided on the support arm (304).

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