Tractor track adjusting device

Abstract

The invention discloses a tractor track adjusting device which comprises an upward track height adjusting mechanism and an upward track end swing mechanism, the upward track height adjusting mechanism controls and is connected with an upward track of a tractor, and the distance between the upward track and a downward track can be longitudinally adjusted; the ascending crawler belt end swing mechanism controls and is connected with the pipe inlet end of the ascending crawler belt, the pipe inlet end is transversely adjusted left and right, and therefore the concentricity of pipes is kept. According to the device, the distance between the ascending crawler belt and the descending crawler belt can be longitudinally adjusted, so that the traction machine can adapt to pipes of different sizes, and the pipe inlet end of the ascending crawler belt can be transversely adjusted left and right in real time in the normal operation state according to the pipe traction working condition, so that the concentricity of the pipes is kept, and the pipes are effectively prevented from rotating between the crawler belts; and the production efficiency is greatly improved, and the device has the advantages of being easy and safe to operate, easy to popularize and wide in application prospect and economic benefit.

Description

Technical Field

[0001] The invention relates to the field of pipe processing equipment, and in particular to a traction machine crawler adjustment device. Background Art

[0002] In the production process of PPR pipe series, the rotation problem of pipes has always been an important factor affecting production efficiency and product quality. Due to the concentricity deviation of the traction machine crawler during operation, the pipe rotates frequently during the traction process, which makes the coding position inaccurate and the scrap rate remains high. This not only increases production costs, but also affects the market competitiveness of products. Traditional solutions usually rely on regular maintenance and replacement of crawlers to maintain their concentricity. However, this method is not only time-consuming and labor-intensive, but also cannot fundamentally solve the problem of concentricity deviation caused by crawler wear.

[0003] Therefore, there is an urgent need for a technical solution that can adjust the concentricity of the track in real time during the operation of the tractor to ensure that the upper and lower tracks remain parallel after wear, thereby effectively preventing the pipe from rotating. Summary of the invention

[0004] In order to solve the above technical problems existing in the prior art, the present invention proposes a traction machine crawler adjustment device, and its specific technical solution is as follows: A traction machine track adjustment device comprises an upper track height adjustment mechanism and an upper track end swing mechanism, wherein the upper track height adjustment mechanism controls the upper track connected to the traction machine and can longitudinally adjust the distance between the upper track and the lower track, and the upper track end swing mechanism controls the pipe inlet end connected to the upper track and performs horizontal left and right adjustment on the pipe inlet end, thereby maintaining the concentricity of the pipe.

[0005] Furthermore, the upper crawler track height adjustment mechanism includes a cylinder and a guide rod slider group, the cylinder is vertically installed in the traction machine frame and is located on one side of the middle part of the upper crawler track, the telescopic end of the cylinder is equipped with a connecting block and is fixedly connected to the bracket plate on one side of the upper crawler track through the connecting block; the guide rod slider group is vertically arranged on one side of the pipe outlet end of the upper crawler, including a guide rod and a slider slidably connected to the guide rod, and the slider is fixedly connected to the bracket plate of the upper crawler track.

[0006] Furthermore, the guide rod is also provided with a mounting block fixedly connected to the bracket plate of the descending crawler track.

[0007] Furthermore, the upper crawler track end swing mechanism includes a rotating rod, a handle, a fixed block and a lifting assembly. The fixed block is provided with a bearing and is symmetrically installed on both sides of the top of the traction machine frame. The rotating rod is connected between the two fixed blocks through a bearing installation. The lifting assembly can be laterally movably arranged on the rotating rod, and the handle is connected to one end of the rotating rod.

[0008] Furthermore, the rotating rod is provided with a ball screw segment, and the lifting assembly is fixedly mounted on the moving nut of the ball screw.

[0009] Furthermore, the lifting assembly includes a connecting seat and a connecting plate, the connecting seat is installed on the movable nut, and the connecting plate is longitudinally movable and arranged on the connecting seat.

[0010] Furthermore, a U-shaped groove is provided on the upper portion of the connecting plate, the screw of the ball screw passes through the U-shaped groove transversely, and the lower portion of the connecting plate is fixedly connected to the bracket plate of the upward crawler track.

[0011] Furthermore, an auxiliary support structure is also provided in the traction machine frame, including a fixed rod, a slide and a fixed seat. The slide is movably arranged on the upper part of the fixed rod, and the fixed seat is installed on the lower part of the fixed rod. The slide is fixedly connected to the support plate of the upper crawler track, and the fixed seat is fixedly connected to the support plate of the lower crawler track.

[0012] Furthermore, a fixed support structure is also provided in the traction machine frame. The fixed support structure is located at one side of the pipe inlet end and is installed and connected to the descending crawler.

[0013] Furthermore, the fixed support structure includes a support rod, a mounting seat is provided on the support rod, and the mounting seat is connected to the support plate of the descending crawler track.

[0014] Beneficial effects: 1. The device for adjusting the upper crawler of the double-track traction machine of the present invention can longitudinally adjust the distance between the upper crawler and the lower crawler, so that the traction machine can adapt to pipes of different sizes.

[0015] 2. The device of the present invention can perform horizontal left and right adjustments on the pipe inlet end of the upward crawler in real time under normal operating conditions according to the pipe traction conditions, thereby maintaining the concentricity of the pipe and effectively preventing it from rotating between the crawlers and affecting subsequent processing, thereby greatly improving production efficiency.

[0016] 3. The device of the present invention is easy to operate and has extremely high safety.

[0017] 4. The design of the present invention can realize functional application without changing the overall size of the traction machine, which greatly reduces the manufacturing and application costs of the equipment, is easy to promote, and has broad application prospects and economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic diagram of the main structure of the crawler track adjustment device according to an embodiment of the present invention; In the figure, 1-cylinder, 2-guide rod slider group, 3-connecting block, 4-rotating rod, 5-handle, 6-fixed block, 7-connecting plate, 8-U-shaped groove, 9-auxiliary support structure, 10-fixed support structure. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and technical effect of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1 As shown, in one embodiment, the present invention discloses a device for adjusting the upper crawler of a double crawler tractor, the device mainly comprising an upper crawler height adjustment mechanism and an upper crawler end swing mechanism. The upper crawler height adjustment mechanism controls the connection of the upper crawler, and can longitudinally adjust the distance between the upper crawler and the lower crawler, so that the tractor can adapt to pipes of different sizes. The upper crawler end swing mechanism controls the pipe inlet end connected to the upper crawler, and can adjust the pipe inlet end horizontally left and right in real time according to the pipe traction working condition, so as to maintain the concentricity of the pipe and effectively prevent it from rotating between the crawlers.

[0021] Specifically, the upper crawler height adjustment mechanism includes a cylinder 1 and a guide rod slider group 2. The cylinder 1 is vertically installed in the traction machine frame and is located on one side of the middle part of the upper crawler. The telescopic end of the cylinder is installed with a connecting block 3 and is fixedly connected to the upper crawler bracket plate on this side through the connecting block 3. The guide rod slider group 2 is arranged on one side of the pipe outlet end of the upper crawler and is fixedly connected to the upper crawler bracket plate through its slider. The height adjustment mechanism controls the bracket plate by telescoping the cylinder, thereby moving the entire upper crawler up and down to adjust the spacing between the upper crawler and the lower crawler.

[0022] The upper crawler end swing mechanism includes a rotating rod 4, a handle 5, a fixed block 6 and a lifting assembly. The fixed block 6 is provided with a bearing and is symmetrically mounted on both sides of the top of the traction machine frame. The rotating rod 4 is connected between the two fixed blocks 6 through a bearing. The lifting assembly can be laterally moved on the rotating rod 4.

[0023] More specifically, the rotating rod 4 is provided with a ball screw segment, and the lifting assembly is fixedly mounted on the moving nut of the ball screw.

[0024] The lifting assembly specifically includes a connecting seat and a connecting plate 7, wherein the connecting seat is mounted on the moving nut. The connecting plate 7 is longitudinally movable and arranged on the connecting seat, and a U-shaped groove 8 is arranged on the upper part of the connecting plate 7, through which the screw of the ball screw passes transversely, and the lower part of the connecting plate 7 is fixedly connected to the upper crawler support plate.

[0025] The handle 5 is connected to one end of the rotating rod 4, so as to manually control the rotation of the rotating rod 4 in real time, thereby adjusting the lateral movement of the lifting assembly. The design of the U-shaped groove 8 on the connecting plate 7 enables the mechanism of the present invention to retain the height adjustment function of the upward crawler and realize the left and right adjustment of the inlet end of the upward crawler pipe.

[0026] In one embodiment, an auxiliary support structure 9 can be provided on one side of the upper and lower crawlers to assist in stabilizing the crawler structure, including a fixed rod, a slide and a fixed seat, wherein the slide can be movably provided on the upper part of the fixed rod, and the fixed seat is installed on the lower part of the fixed rod, the slide is fixedly connected to the upper crawler support plate, and the fixed seat is fixedly connected to the lower crawler support plate. In addition, the function of fine-tuning the lower crawler can also be realized according to the needs of the lower crawler, and the cylinder 1 and the auxiliary support structure 9 are jointly set to be adjustable up and down, and adapted to the corresponding fixed support structure 10, and a slidable fixed seat is provided on the fixed support structure 10, and the fixed seat is fixedly connected to the lower crawler support plate.

[0027] The above is only a preferred implementation case of the present invention and does not limit the present invention in any form. Although the implementation process of the present invention is described in detail above, for those familiar with the art, they can still modify the technical solutions recorded in the above examples, or replace some of the technical features therein with equivalents. All modifications, equivalent replacements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A traction machine crawler adjustment device, characterized in that: It includes an upward crawler height adjustment mechanism and an upward crawler end swing mechanism. The upward crawler height adjustment mechanism controls the upward crawler connected to the traction machine and can longitudinally adjust the distance between the upward crawler and the downward crawler. The upward crawler end swing mechanism controls the pipe inlet end connected to the upward crawler and performs horizontal left and right adjustment on the pipe inlet end to maintain the concentricity of the pipe.

2. The track adjustment device according to claim 1, characterized in that: The upper crawler height adjustment mechanism comprises a cylinder (1) and a guide rod slider group (2); the cylinder (1) is vertically mounted in a traction machine frame and is located on one side of the middle of the upper crawler; a connecting block (3) is mounted on the telescopic end of the cylinder and is fixedly connected to a bracket plate on one side of the upper crawler via the connecting block (3); the guide rod slider group (2) is vertically arranged on one side of the pipe outlet end of the upper crawler and comprises a guide rod and a slider slidably connected to the guide rod; the slider is fixedly connected to the bracket plate of the upper crawler.

3. The track adjustment device according to claim 2, characterized in that: The guide rod is also provided with a mounting block which is fixedly connected to the bracket plate of the descending crawler track.

4. The track adjustment device according to claim 1, characterized in that: The upward crawler track end swing mechanism comprises a rotating rod (4), a handle (5), a fixed block (6) and a lifting assembly, wherein the fixed block (6) is provided with a bearing and the fixed blocks (6) are symmetrically mounted on both sides of the top of the traction machine frame, the rotating rod (4) is connected between the two fixed blocks (6) via the bearing, the lifting assembly is arranged on the rotating rod (4) in a transversely movable manner, and the handle (5) is connected to one end of the rotating rod (4).

5. The track adjustment device according to claim 4, characterized in that: The rotating rod (4) is provided with a ball screw segment, and the lifting assembly is fixedly mounted on a moving nut of the ball screw.

6. The track adjustment device according to claim 5, characterized in that: The lifting assembly comprises a connecting seat and a connecting plate (7); the connecting seat is mounted on the movable nut; and the connecting plate (7) is longitudinally movable and arranged on the connecting seat.

7. The track adjustment device according to claim 6, characterized in that: A U-shaped groove (8) is provided on the upper portion of the connecting plate (7), the screw of the ball screw passes through the U-shaped groove (8) transversely, and the lower portion of the connecting plate (7) is fixedly connected to the bracket plate of the upward crawler track.

8. The track adjustment device according to claim 1, characterized in that: An auxiliary support structure (9) is also arranged in the traction machine frame, comprising a fixed rod, a slide seat and a fixed seat, wherein the slide seat is movably arranged on the upper part of the fixed rod, and the fixed seat is installed on the lower part of the fixed rod, the slide seat is fixedly connected to the support plate of the upper crawler track, and the fixed seat is fixedly connected to the support plate of the lower crawler track.

9. The track adjustment device according to claim 1, characterized in that: A fixed support structure (10) is also provided in the traction machine frame. The fixed support structure (10) is located on one side of the pipe inlet end and is installed and connected to the descending crawler.

10. The track adjustment device according to claim 9, characterized in that: The fixed support structure (10) comprises a support rod, on which a mounting seat is arranged, and the mounting seat is connected to a support plate of the descending crawler track.

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