Crawler buffer spring mounting device for large crawler bulldozer

Abstract

The utility model provides a track buffer spring mounting device for a large track bulldozer, which belongs to the technical field of track bulldozers and comprises a base and a buffer spring, a support and a pressing structure are fixedly mounted on the base, a threaded rod is rotatably connected to the inner side of the support, a rotating rod is rotatably connected to the inner side of the support, and the threaded rod is fixedly connected to the base. The rotating rod is fixedly connected with the threaded rod, and the inner side of the support is fixedly connected with a sliding rod. The power motor is controlled to compress the buffer spring, the clamping block and the buckle are used for fixing the buffer spring, the buffer spring is prevented from suddenly inclining and exploding out to cause damage when compressed, the socket spanner is controlled to rotate through the power motor, and the connecting portion of the bulldozer hub and the buffer spring is screwed and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of crawler bulldozers, in particular to an installation device for a crawler buffer spring of a large crawler bulldozer. Background Technique

[0002] A bulldozer is a common construction machinery and is widely used in various earthwork operation sites. When at the maintenance site of earthwork operations, the buffer spring of the bulldozer often needs to be replaced due to fracture. Usually, the installation is carried out by pushing and pressing the crawler buffer spring with another bulldozer.

[0003] The deficiencies of the prior art are that the behavior of installing the spring by pushing and pressing with a bulldozer is relatively dangerous, and the spring may pop out and cause harm to the operator. Moreover, the power of pushing and pressing by the bulldozer is not stable enough, which is likely to cause harm to the newly installed spring and affect the use of the spring. When the spring is pressed in place, it is also necessary to manually rotate the nut to fix it to the wheel hub, which is not only dangerous but also wastes manpower. Content of the Utility Model

[0004] Aiming at the deficiencies existing in the prior art, the utility model provides an installation device for a crawler buffer spring of a large crawler bulldozer.

[0005] An embodiment of the utility model provides an installation device for a crawler buffer spring of a large crawler bulldozer, including:

[0006] A base and a buffer spring, wherein a bracket is fixedly installed on the base;

[0007] A pressing structure; the pressing structure includes a threaded rod rotatably connected to the inner side of the bracket, a rotating rod rotatably connected to the inner side of the bracket, the rotating rod is fixedly connected to the threaded rod, a sliding rod is fixedly connected to the inner side of the bracket, a supporting plate is fixedly connected to the side wall of the bracket, a power motor is fixedly installed on the supporting plate, the threaded rod and the output end of the power motor are fixedly connected, a first pressing plate is slidably connected to the sliding rod, a second pressing plate is fixedly connected to the sliding rod, the rotating rod penetrates through the second pressing plate and is rotatably connected to the second pressing plate, the threaded rod penetrates through the first pressing plate and is threadedly connected to the first pressing plate, and the buffer spring is located between the first pressing plate and the second pressing plate.

[0008] Further, a control structure is installed on the bracket. The control structure includes a first bevel gear fixedly sleeved outside the rotating rod. One side wall of the bracket is rotatably connected to a first rotating shaft. One end of the first rotating shaft is fixedly sleeved with a second bevel gear. The first bevel gear and the second bevel gear are meshed with each other. The other end of the first rotating shaft is fixedly sleeved with a third bevel gear. One side wall of the bracket is rotatably connected to a second rotating shaft. One end of the second rotating shaft is fixedly sleeved with a fourth bevel gear. The third bevel gear and the fourth bevel gear are meshed with each other. The other end of the second rotating shaft is fixedly sleeved with a fifth bevel gear. One side wall of the bracket is rotatably connected to a third rotating shaft. A sixth bevel gear is fixedly sleeved outside the third rotating shaft. The fifth bevel gear and the sixth bevel gear are meshed with each other. A socket wrench is slidably connected to the outside of the third rotating shaft.

[0009] Further, a clamping block is rotatably connected to the lower side of the first pressing plate. A clamping buckle is fixedly connected to the side wall of the clamping block. The clamping buckle is matched with one side wall of the pressing plate.

[0010] Further, a telescopic plate is fixedly installed on the upper side of the base. A support block is fixedly installed on the upper side of the telescopic plate.

[0011] Further, four universal wheels are fixedly installed on the lower side of the base.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, by using the power motor as the power source, the socket wrench is controlled to rotate. The socket wrench is matched with the shape of the nut, and can automatically tighten the nut, connecting the buffer spring with the bulldozer wheel hub, preventing possible dangerous situations during manual operation, and the mechanical tightening has a much higher bearing capacity than manual tightening. The whole device is in a semi-automatic structure, with simple operation and high intelligence.

[0014] 2. In the utility model, by controlling the rotation of the threaded rod by the power motor, the first pressing plate and the second pressing plate make relative movements, squeezing the buffer spring inward to complete the pressing work. The spring is locked by the clamping block and the clamping buckle, avoiding the danger caused by the spring popping out due to extrusion to the surrounding operators. And by controlling the extrusion by the motor, the power is stable and the spring will not be damaged due to excessive extrusion, with a small risk coefficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of a large crawler bulldozer track buffer spring installation device described in an embodiment of the utility model.

[0016] Figure 2 is a control structural schematic diagram of a large crawler bulldozer track buffer spring installation device described in an embodiment of the utility model.

[0017] Figure 3Schematic diagram of the pressing structure of a track buffer spring installation device for a large crawler bulldozer described in an embodiment of the present utility model;

[0018] Figure 4 Schematic three-dimensional structure diagram of a first pressing plate of a track buffer spring installation device for a large crawler bulldozer described in an embodiment of the present utility model.

[0019] In the above-mentioned drawings: 1 base, 2 bracket, 3 threaded rod, 4 rotating rod, 5 support plate, 6 power motor, 7 sliding rod, 8 first bevel gear, 9 first rotating shaft, 10 second bevel gear, 11 third bevel gear, 12 second rotating shaft, 13 fourth bevel gear, 14 fifth bevel gear, 15 third rotating shaft, 16 sixth bevel gear, 17 socket wrench, 18 first pressing plate, 19 buffer spring, 20 clamping block, 21 buckle, 22 telescopic plate, 23 support block, 24 universal wheel, 25 second pressing plate. Detailed implementation manners

[0020] As Figures 1-4 shown, an embodiment of the present utility model provides a track buffer spring installation device for a large crawler bulldozer, including:

[0021] A base 1 and a buffer spring 19. A telescopic plate 22 is fixedly installed on the upper side of the base 1, and a support block 23 is fixedly installed on the upper side of the telescopic plate 22. The support block 23 can support the wheel hub of the bulldozer through the adjustment of the telescopic plate 22. Four universal wheels 24 are fixedly installed on the lower side of the base 1. The universal wheels 24 can move the device freely, eliminating the need for operators to carry it. A bracket 2 is fixedly installed on the base 1;

[0022] Pressing structure; the pressing structure includes a threaded rod 3 rotatably connected to the inner side of the bracket 2. A rotating rod 4 is rotatably connected to the inner side of the bracket 2. The rotating rod 4 is fixedly connected to the threaded rod 3. A sliding rod 7 is fixedly connected to the inner side of the bracket 2. A support plate 5 is fixedly connected to the side wall of the bracket 2. A power motor 6 is fixedly installed on the support plate 5. The output ends of the threaded rod 3 and the power motor 6 are fixedly connected. The rotation of the threaded rod 3 can drive the rotation of the rotating rod 4. A control structure is installed on the bracket 2. The control structure includes a first bevel gear 8 fixedly sleeved on the outer side of the rotating rod 4. A first rotating shaft 9 is rotatably connected to the side wall of the bracket 2. A second bevel gear 10 is fixedly sleeved at one end of the first rotating shaft 9. The first bevel gear 8 and the second bevel gear 10 are meshed with each other. A third bevel gear 11 is fixedly sleeved at the other end of the first rotating shaft 9. A second rotating shaft 12 is rotatably connected to the side wall of the bracket 2. A fourth bevel gear 13 is fixedly sleeved at one end of the second rotating shaft 12. The third bevel gear 11 and the fourth bevel gear 13 are meshed with each other. A fifth bevel gear 14 is fixedly sleeved at the other end of the second rotating shaft 12. A third rotating shaft 15 is rotatably connected to the side wall of the bracket 2. A sixth bevel gear 16 is fixedly sleeved on the outer side of the third rotating shaft 15. The fifth bevel gear 14 and the sixth bevel gear 16 are meshed with each other. A socket wrench 17 is slidably connected to the outer side of the third rotating shaft 15. The third rotating shaft 15 drives the socket wrench 17 to rotate. The socket wrench 17 is matched with the nut and can drive the nut to be tightened. A first pressing plate 18 is slidably connected to the sliding rod 7. A clamping block 20 is rotatably connected to the lower side of the first pressing plate 18. A buckle 21 is fixedly connected to the side wall of the clamping block 20. The buckle 21 is matched with the side wall of the first pressing plate 18. The central axis of the buffer spring 19 is fixedly connected to the first pressing plate 18 through the clamping block 20 and is locked by the buckle 21 to prevent the buffer spring 19 from tilting and popping out during the pressing process, causing injury. A second pressing plate 25 is fixedly connected to the sliding rod 7. The rotating rod 4 passes through the second pressing plate 25 and is rotatably connected to the second pressing plate 25. The threaded rod 3 passes through the first pressing plate 18 and is threadedly connected to the first pressing plate 18. The buffer spring 19 is located between the first pressing plate 18 and the second pressing plate 25. The first pressing plate 18 and the second pressing plate 25 move relative to each other by the rotation of the threaded rod 3, and a pressing effect is exerted on the buffer spring 19.

[0023] The detailed working process of the present utility model is as follows:

[0024] First, the operator places the buffer spring 19 to be installed into the device, fixes it through the clamping block 20 and the first pressing plate 18, and uses the buckle 21 to prevent the clamping block 20 from falling off. Manually adjust the height of the telescopic plate 22 so that the support block 23 at its top supports the bulldozer wheel hub to be installed. Start the power motor 6. The output end of the power motor 6 drives the threaded rod 3 and the rotating rod 4 to rotate together. The rotation of the threaded rod 3 can drive the first pressing plate 18 threaded with it to move inward along the sliding rod 7. Since the second pressing plate 25 is fixedly connected to the sliding rod 7, the second pressing plate 25 is in a non-movable state. Through the relative movement of the first pressing plate 18 and the second pressing plate 25, the buffer spring 19 can be compressed. During this process, the rotating rod 4 drives the first bevel gear 8 on the outside to rotate. The first bevel gear 8 drives the first rotating shaft 9 to rotate through the second bevel gear 10. The rotation of the first rotating shaft 9 drives the third bevel gear 11 on the outside to rotate. The third bevel gear 11 drives the second rotating shaft 12 to rotate through the fourth bevel gear 13. The rotation of the second rotating shaft 12 drives the fifth bevel gear 14 on the outside to rotate. The fifth bevel gear 14 drives the third rotating shaft 15 to rotate through the sixth bevel gear 16. Move the socket wrench 17 so that the socket wrench 17 is sleeved on the outside of the nut. At this time, the rotation of the third rotating shaft 15 can drive the rotation of the socket wrench 17. Since the connection part between the bulldozer wheel hub and the buffer spring 19 needs to be screwed and connected through a nut and a bolt, after the operator aligns the positions, the operator can directly operate the power motor 6 to control the screwing, eliminating manual operation and saving human resources. During this process, the buffer spring 2 will be over-compressed. After tightening the nut, move the socket wrench 17 so that the socket wrench 17 and the nut are disconnected. Start the power motor 6 again, and make the power motor 6 repeat the movement in the opposite direction of the previous rotation until the end of the buffer spring 2 meets the working requirements. Weld the end of the buffer spring 2 to the outside of the bulldozer track, and finally complete the installation operation of the buffer spring 2.

Claims

1. A track buffer spring installation device for a large crawler bulldozer, characterized in that, Comprising: A base (1) and a buffer spring (19), with a bracket (2) fixedly installed on the base (1); A pressing structure; the pressing structure includes a threaded rod (3) rotatably connected to the inner side of the bracket (2), a rotating rod (4) rotatably connected to the inner side of the bracket (2), the rotating rod (4) being fixedly connected to the threaded rod (3), a sliding rod (7) fixedly connected to the inner side of the bracket (2), a support plate (5) fixedly connected to the side wall of the bracket (2), a power motor (6) fixedly installed on the support plate (5), the output ends of the threaded rod (3) and the power motor (6) being fixedly connected, a first pressing plate (18) slidably connected to the sliding rod (7), a second pressing plate (25) fixedly connected to the sliding rod (7), the rotating rod (4) passing through the second pressing plate (25) and being rotatably connected to the second pressing plate (25), the threaded rod (3) passing through the first pressing plate (18) and being threadedly connected to the first pressing plate (18), and the buffer spring (19) being located between the first pressing plate (18) and the second pressing plate (25).

2. The large crawler dozer track buffer spring installation device according to claim 1, characterized in that Wherein: A control structure is installed on the bracket (2), the control structure includes a first bevel gear (8) fixedly sleeved on the outer side of the rotating rod (4), a first rotating shaft (9) rotatably connected to the side wall of the bracket (2), a second bevel gear (10) fixedly sleeved at one end of the first rotating shaft (9), the first bevel gear (8) and the second bevel gear (10) meshing with each other, a third bevel gear (11) fixedly sleeved at the other end of the first rotating shaft (9), a second rotating shaft (12) rotatably connected to the side wall of the bracket (2), a fourth bevel gear (13) fixedly sleeved at one end of the second rotating shaft (12), the third bevel gear (11) and the fourth bevel gear (13) meshing with each other, a fifth bevel gear (14) fixedly sleeved at the other end of the second rotating shaft (12), a third rotating shaft (15) rotatably connected to the side wall of the bracket (2), a sixth bevel gear (16) fixedly sleeved on the outer side of the third rotating shaft (15), the fifth bevel gear (14) and the sixth bevel gear (16) meshing with each other, and a socket wrench (17) slidably connected to the outer side of the third rotating shaft (15).

3. The track buffer spring installation device of a large crawler dozer according to claim 1, characterized in that Wherein: A clamping block (20) is rotatably connected to the lower side of the first pressing plate (18), a buckle (21) is fixedly connected to the side wall of the clamping block (20), and the buckle (21) is matched with the side wall of the first pressing plate (18).

4. A large crawler bulldozer crawler buffer spring installation device according to claim 1, characterized in that, Wherein: A telescopic plate (22) is fixedly installed on the upper side of the base (1), and a support block (23) is fixedly installed on the upper side of the telescopic plate (22).

5. The installation device of the crawler buffer spring of a large crawler bulldozer according to claim 1, characterized in that, Wherein: Four universal wheels (24) are fixedly installed on the lower side of the base (1).

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