Pin shaft dismounting device for excavator

Abstract

The utility model relates to the technical field of pin shaft dismounting devices for excavators, in particular to a pin shaft dismounting device for an excavator, which comprises a top plate and a support, the left side of the top of the top plate is fixedly connected with the bottom of the support, the bottom of the top plate is connected with a lifting structure, and the inner wall of the support is fixedly connected with an air cylinder. The output end of the air cylinder is fixedly connected with a transverse rod, and the right side of the top of the top plate is connected with a supporting structure. As the top of the screw is fixedly connected with the bottom of a top plate, and vertical plates on the two sides of the bottom of the top plate are slidably clamped with a sleeve plate, the top plate is limited and cannot rotate, and in order to guarantee movement balance, the vertical cylinder rotates to drive the screw to move upwards, so that the top plate moves upwards, and the structure on the top of the top plate moves upwards; therefore, the use difficulty of the pin shaft dismounting device for the excavator is reduced, and the normal use of the pin shaft dismounting device for the excavator is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to pin shaft dismounting device technical field for excavator, concretely is a kind of pin shaft dismounting device for excavator. BACKGROUND

[0002] The main role of pin shaft dismounting device for excavator is to improve dismounting efficiency, reduce labor intensity, and ensure safety during dismounting.

[0003] For example, the announcement number is "CN211867660U" a kind of excavator walking link pin shaft dismounting device, the other end of the connecting rod is equipped with detachable stopper and the opposite movement of the stopper and the support plate is limited by limiting device, the inner side of support plate and stopper is contacted by limiting device, prevent movable gap between support plate or stopper and fixed nut, to avoid the wear and tear of the thread of the two ends of connecting rod under the axial top pressure force, but in the use of pin shaft dismounting device for excavator, itself does not have supporting structure needs to cooperate hoisting structure and use, so it cannot guarantee the stability of pin shaft dismounting device for excavator, and deformation is prone to occur when pushing pin shaft, increase the use difficulty of pin shaft dismounting device for excavator, affect the normal use of pin shaft dismounting device for excavator. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem of increasing the use difficulty of pin shaft dismounting device for excavator, affecting the normal use of pin shaft dismounting device for excavator, and proposes a kind of pin shaft dismounting device for excavator.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design a kind of pin shaft dismounting device for excavator, including top plate and support, the top left side of top plate is fixedly connected with the bottom of support, the bottom of top plate is connected with lifting structure, the inner wall of support is fixedly connected with cylinder, the output of cylinder is fixedly connected with cross bar, the top right side of top plate is connected with supporting structure, the left and right sides of the bottom of top plate are respectively fixedly connected with vertical plate, the lifting structure includes screw rod and vertical cylinder, the top of screw rod is fixedly connected with the bottom of top plate, the outer wall of screw rod is threadedly connected with the inner wall of vertical cylinder, the outer wall bottom of vertical cylinder is rotatably connected with bottom plate, the front of vertical cylinder is fixedly connected with handle.

[0007] Preferably, the left and right sides of the top of bottom plate are respectively fixedly connected with sleeve plate.

[0008] Preferably, the inner wall of sleeve plate is slidably connected with the outer wall of vertical plate.

[0009] Preferably, the support structure comprises a vertical plate and a round rod, the bottom of the vertical plate is fixedly connected with the top right side of the top plate, the outer wall round mouth of the vertical plate is rotationally connected with the outer wall end of the round rod, and the outer wall of the round rod is fixedly connected with a cylinder.

[0010] Preferably, the outer wall of the cylinder is matched with the outer wall of the horizontal rod.

[0011] The excavator pin shaft dismounting device has the beneficial effects that: the vertical cylinder in the lifting structure is rotated at the top of the bottom plate by the handle, the vertical cylinder is rotated with the screw rod, the screw rod top is fixedly connected with the bottom of the top plate, the top plate bottom two side vertical plates are slidingly connected with the sleeve plate, the top plate is limited, the top plate cannot be rotated, the vertical cylinder is rotated to move upward with the screw rod, the top plate is moved upward, the structure at the top of the top plate is moved upward, the horizontal rod is located in front of the pin shaft, the use difficulty of the excavator pin shaft dismounting device is reduced, and normal use of the excavator pin shaft dismounting device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a structural schematic diagram of the utility model; Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 3 It is a structural schematic diagram of the utility model; Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the utility model; Figure 1 It is a structural schematic diagram of the utility model.

[0016] In the drawing: 1, top plate, 2, lifting structure, 201, screw rod, 202, vertical cylinder, 203, bottom plate, 204, handle, 3, support structure, 301, vertical plate, 302, round rod, 303, cylinder, 4, support, 5, air cylinder, 6, horizontal rod, 7, vertical plate, 8, sleeve plate, 9, curved block. DETAILED DESCRIPTION

[0017] The utility model will be further described below in combination with the drawings:

[0018] Example 1:

[0019] Please refer to Figures 1-4In this embodiment, a pin shaft dismounting device for excavator, including the roof 1 and support 4, the roof 1 top left side and the bottom of support 4 fixed connection, the roof 1 bottom connected with lifting structure 2, the inner wall of support 4 fixed with cylinder 5, cylinder 5 model is selected according to the use demand, the output end of cylinder 5 is fixed with horizontal rod 6, the roof 1 top right side is connected with support structure 3, the roof 1 bottom left and right sides are respectively fixed with vertical plate 7.

[0020] Lifting structure 2 includes screw 201 and vertical cylinder 202, the top of screw 201 and the bottom of roof 1 are fixedly connected, the outer wall of screw 201 is threadedly connected with the inner wall of vertical cylinder 202, the outer wall of vertical cylinder 202 is rotatably connected with bottom plate 203, vertical cylinder 202 is rotatable through the top bearing of bottom plate 203, the front surface of vertical cylinder 202 is fixedly connected with handle 204, handle 204 is convenient for rotating vertical cylinder 202;

[0021] Through the cooperation of handle 204 and vertical cylinder 202 in lifting structure 2, the rotating vertical cylinder 202 drives screw 201 to rotate, because the top of screw 201 is fixedly connected with the bottom of roof 1, and the two vertical plates 7 on the bottom of roof 1 are slidingly connected with sleeve plate 8, the roof 1 is limited, the roof 1 cannot rotate, in order to ensure the balance of movement, when the vertical cylinder 202 rotates, the screw 201 will move upwards, the roof 1 will move upwards, the structure on the top of roof 1 will move upwards, the horizontal rod 6 will be located in front of the pin shaft, which reduces the use difficulty of the pin shaft dismounting device for excavator and ensures the normal use of the pin shaft dismounting device for excavator.

[0022] The top left and right sides of bottom plate 203 are respectively fixedly connected with sleeve plate 8, the inner wall of sleeve plate 8 is slidingly connected with the outer wall of vertical plate 7, vertical plate 7 is slidingly connected with the inner wall of sleeve plate 8, support structure 3 includes vertical plate 301 and circular rod 302, the bottom of vertical plate 301 is fixedly connected with the top right side of roof 1, the outer wall circular hole of vertical plate 301 is rotatably connected with the outer wall end of circular rod 302, circular rod 302 is rotatable through the inner bearing of vertical plate 301 outer wall circular hole, the outer wall of circular rod 302 is fixedly connected with cylinder 303, the outer wall of cylinder 303 is matched with the outer wall of horizontal rod 6.

[0023] Working principle:

[0024] The pin shaft dismounting device for excavator is erected:

[0025] Make the device in front of the excavator need to disassemble the pin shaft, then with the handle 204 with the vertical cylinder 202 in the top plate 203 rotation, rotation vertical cylinder 202 with screw 201 rotation, because the screw 201 top and bottom of the top plate 1 with fixed connection, while the top plate 1 bottom two sides of the vertical plate 7 and sleeve plate 8 sliding joint, to the top plate 1 formed a limit, the top plate 1 cannot rotate, to ensure the movement of balance, vertical cylinder 202 rotation will bring the screw 201 upward movement, the top plate 1 upward movement, the top plate 1 top structure upward movement, the horizontal bar 6 is located in front of the pin shaft.

[0026] Excavator pin shaft disassembly device work:

[0027] Cylinder 5 work output end with horizontal bar 6 to the right side, the end of the horizontal bar 6 is inserted into the excavator pin shaft, with the horizontal bar 6 gradually to the right side, the horizontal bar 6 will make the pin shaft gradually out, in the horizontal bar 6 movement, cylinder 303 through the friction between the horizontal bar 6, with the round bar 302 through the vertical plate 301 outer wall round mouth bearing rotation, cylinder 303 to the round bar 302 play a supporting role.

[0028] Example 2:

[0029] Please refer to Figures 1-4 : In this embodiment, a kind of excavator pin shaft disassembly device, it further includes curved block 9, the left side of curved block 9 and the right side of horizontal bar 6 are fixedly connected.

[0030] Working principle:

[0031] Curved block 9 outer wall is inclined surface, it is convenient to insert into the pin shaft of excavator, in turn, it is convenient for horizontal bar 201 and pin shaft insertion. Although the utility model has been illustrated and described by referring to preferred embodiments, it should be appreciated by those skilled in the art that various changes in form and details can be made within the scope of claims.

Claims

1. A pin removal device for an excavator, comprising a top plate (1) and a bracket (4), wherein the top left side of the top plate (1) is fixedly connected to the bottom of the bracket (4), characterized in that: The bottom of the top plate (1) is connected to a lifting structure (2), the inner wall of the bracket (4) is fixed with a cylinder (5), the output end of the cylinder (5) is fixed with a crossbar (6), the top right side of the top plate (1) is connected with a support structure (3), and the bottom left and right sides of the top plate (1) are respectively fixed with vertical plates (7). The lifting structure (2) includes a screw (201) and a vertical cylinder (202). The top of the screw (201) is fixedly connected to the bottom of the top plate (1). The outer wall of the screw (201) is threadedly connected to the inner wall of the vertical cylinder (202). The bottom of the outer wall of the vertical cylinder (202) is rotatably connected to a base plate (203). A handle (204) is fixedly connected to the front of the vertical cylinder (202).

2. The excavator pin disassembly device according to claim 1, characterized in that: The top left and right sides of the base plate (203) are respectively fixed with sleeve plates (8).

3. The excavator pin disassembly device according to claim 2, characterized in that: The inner wall of the sleeve (8) is slidably connected to the outer wall of the vertical plate (7).

4. The excavator pin disassembly device according to claim 1, characterized in that: The support structure (3) includes a vertical plate (301) and a round rod (302). The bottom of the vertical plate (301) is fixedly connected to the top right side of the top plate (1). The outer wall of the vertical plate (301) is rotatably connected to the outer wall end of the round rod (302). A cylinder (303) is fixedly connected to the outer wall of the round rod (302).

5. The excavator pin disassembly device according to claim 4, characterized in that: The outer wall of the cylinder (303) is in contact with the outer wall of the crossbar (6).

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