Shaft sleeve dismounting tool

Abstract

The utility model discloses a shaft sleeve dismantling tool which comprises a base, the upper end of the base is fixedly connected with oppositely-arranged vertical plates, lifting grooves are formed in the vertical plates on the two sides, limiting plates are arranged in the lifting grooves in a sliding mode, through holes matched with a shaft are formed in the limiting plates, and the through holes are communicated with the lifting grooves. The inner wall of the through hole is provided with at least one liquid spraying opening which is annularly and evenly formed, the height of the limiting plate is fixed through a fixing mechanism, a fixing plate is fixedly connected between the vertical plates on the two sides, an air cylinder is arranged at the lower end of the fixing plate, and a connecting plate is arranged at the output end of the air cylinder. First electric push rods which are oppositely arranged are arranged at the lower end of the connecting plate, lifting blocks are fixedly connected to the lower ends of the first electric push rods, second electric push rods are arranged on one sides of the lifting blocks on the two sides, and clamping blocks matched with shaft sleeves are arranged at one ends of the second electric push rods on the two sides. Compared with the prior art, the tool has the advantage that the shaft and the shaft sleeve can be prevented from being damaged when the shaft sleeve is dismounted.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft sleeve removal, in particular to a shaft sleeve removal tool. Background Art

[0002] A sleeve is a cylindrical mechanical part that is sleeved on the outer wall of the shaft when in use. After long-term use, the sleeve will rust and become difficult to remove from the shaft. Currently, hammering is used to crack the rusted parts, loosening the sleeve on the shaft so that the sleeve can be removed. However, this method may cause deformation of the shaft and sleeve, which may easily damage the shaft and sleeve. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a shaft sleeve removal tool, which can avoid damaging the shaft and the shaft sleeve when removing the shaft sleeve.

[0004] The top end of the lifting block is provided with a lifting block, and the lower end of the lifting block is provided with a lifting block, and the lower end of the lifting block is provided with a lifting block, and the lower end of the lifting block is provided with a lifting block.

[0005] Compared with the prior art, the utility model has the following advantages: the shaft device whose shaft sleeve needs to be removed is placed on the base, the shaft device is limited by a fixing mechanism and a limiting plate, the shaft is located in the through hole, and the shaft sleeve is clamped by a triangular clamp groove, and when removing, a rust remover is sprayed on the shaft and the shaft sleeve through a liquid spray port, and the shaft sleeve is pulled vertically upward by a cylinder. When pulling, the limiting plate can resist the shaft device, so that the shaft sleeve can be removed along a straight line to avoid deformation of the shaft sleeve and the shaft, and damage to the shaft and the shaft sleeve can be avoided.

[0006] As an improvement, the fixing mechanism includes lifting rods fixedly connected to both sides of the limit plate, and a through groove cooperating with the lifting rods is provided on one side of the lifting groove in the vertical plates on both sides, and the lifting rods are threadedly connected with positioning nuts that fit one side of the vertical plates.

[0007] As an improvement, the positioning nuts are fixed with relatively arranged rotating rods, one end of the lifting rods is fixed with fixed blocks, and the surfaces of the rotating rods and the fixed blocks are provided with anti-slip grooves, which can increase the friction between human hands and the rotating rods and the fixed blocks, thereby making it easier for human hands to grasp the rotating rods and the fixed blocks.

[0008] As an improvement, a placement groove is provided in the base.

[0009] As an improvement, a pipe cooperating with the liquid spray port is provided in the limit plate, a hose connected to the pipe is provided on one side of the limit plate, and one end of the hose opposite to the pipe is connected to a water pump connected to the rust remover.

[0010] As an improvement, guide plates arranged opposite to each other are fixedly connected to both sides of the limit plate, and guide grooves cooperating with the guide plates are provided on both sides of the lifting groove in the vertical plate, which can improve the stability of the limit plate when it is lifted or lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a three-dimensional tool for removing axle sleeves. Figure 1 .

[0012] Figure 2 The utility model is a three-dimensional tool for removing axle sleeves. Figure 2 .

[0013] Figure 3 It is an enlarged view of position A of a shaft sleeve removal tool of the utility model.

[0014] As shown in the figure: 1. Base; 2. Vertical plate; 3. Fixed plate; 4. Cylinder; 5. Connecting plate; 6. Electric push rod 1; 7. Lifting block; 8. Electric push rod 2; 9. Clamp block; 10. Triangular clamp groove; 11. Through hole; 12. Spray port; 13. Placement groove; 14. Lifting groove; 15. Guide plate; 16. Guide groove; 17. Through groove; 18. Limit plate; 19. Fixed block; 20. Positioning nut; 21. Rotating rod; 22. Lifting rod. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] A shaft sleeve removal tool comprises a base 1, wherein a placement groove 13 is provided in the base 1 for facilitating the placement of shaft-carrying equipment, wherein oppositely arranged vertical plates 2 are fixedly connected to the upper end of the base 1, and lifting grooves 14 are provided in the vertical plates 2 on both sides, and a limit plate 18 is slidably provided in the lifting groove 14, wherein a through hole 11 cooperating with the shaft is provided in the limit plate 18, and at least one liquid spraying port 12 uniformly arranged in a ring shape is provided on the inner wall of the through hole 11, wherein a pipeline cooperating with the liquid spraying port 12 is provided in the limit plate 18, and a hose connected with the pipeline is provided on one side of the limit plate 18, and one end of the hose opposite to the pipeline is connected with a water pump connected with a rust remover, and the water inlet end of the water pump sucks in the rust remover and sprays it into the hose and the pipeline through the water outlet end.

[0017] The limit plate 18 is fixed in height by a fixing mechanism, and the fixing mechanism includes lifting rods 22 fixedly connected to both sides of the limit plate 18, and a through groove 17 cooperating with the lifting rod 22 is provided on one side of the lifting groove 14 in the vertical plates 2 on both sides, and the lifting rods 22 are threadedly connected with positioning nuts 20 that fit one side of the vertical plates 2, and the positioning nuts 20 are fixedly connected with relatively arranged rotating rods 21, and one end of the lifting rods 22 is fixedly connected with a fixing block 19, and the surfaces of the rotating rod 21 and the fixing block 19 are provided with anti-slip grooves, which can increase the friction between the human hand and the rotating rod 21 and the fixing block 19, so that the human hand can more easily grasp the rotating rod 21 and the fixing block 19, and the two sides of the limit plate 18 are fixedly connected with relatively arranged guide plates 15, and the vertical plates 2 are provided with guide grooves 16 cooperating with the guide plates 15 on both sides of the lifting groove 14, which can improve the stability of the limit plate 18 when it is lifted or lowered.

[0018] A fixing plate 3 is fixedly connected between the vertical plates 2 on both sides, a cylinder 4 is provided at the lower end of the fixing plate 3, a connecting plate 5 is provided at the output end of the cylinder 4, a relatively arranged electric push rod 6 is provided at the lower end of the connecting plate 5, a lifting block 7 is fixedly connected to the lower end of the electric push rod 6, an electric push rod 2 8 is provided at one side of the lifting block 7 on both sides, a clamping block 9 cooperating with the shaft sleeve is provided at one end of the electric push rod 2 8 on both sides, and a triangular clamping groove 10 cooperating with the shaft sleeve is provided in the clamping blocks 9 on both sides.

[0019] When the lifting block and the shaft sleeve are at the same height, the first electric push rod is closed, the second electric push rod is opened, and the second electric push rods on both sides are extended at the same time to drive the clamping block to move in the direction of the shaft sleeve until the triangular clamping grooves on both sides are close to the shaft sleeve, and then the second electric push rod is closed, and the water pump is turned on. The water pump sucks in the rust remover and pressurizes it. The pressurized rust remover will pass through the hose and the pipeline, and finally be sprayed from the liquid spray port onto the shaft sleeve and the shaft, and the cylinder is opened at the same time. The cylinder drives the connecting plate to rise, so that the shaft sleeve can be pulled vertically upward by the clamping block, which can prevent the shaft and the shaft sleeve from being deformed by the force from the side direction, and damage to the shaft and the shaft sleeve can be avoided.

[0020] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0022] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A sleeve removal tool, characterized in that: The invention comprises a base (1), wherein the upper end of the base (1) is fixedly connected to vertical plates (2) arranged opposite to each other, and the vertical plates (2) on both sides are provided with lifting grooves (14), and a limit plate (18) is slidably provided in the lifting grooves (14), and a through hole (11) cooperating with the shaft is provided in the limit plate (18), and the inner wall of the through hole (11) is provided with at least one liquid spraying port (12) evenly arranged in an annular shape, and the height of the limit plate (18) is fixed by a fixing mechanism, and a fixing plate is fixedly connected between the vertical plates (2) on both sides. (3), a cylinder (4) is provided at the lower end of the fixed plate (3), a connecting plate (5) is provided at the output end of the cylinder (4), a relatively arranged electric push rod (6) is provided at the lower end of the connecting plate (5), a lifting block (7) is fixedly connected to the lower end of the electric push rod (6), a lifting block (7) is provided on one side of the lifting block (7) on both sides, an electric push rod (8) is provided on one end of the electric push rod (8) on both sides, and a clamping block (9) cooperating with the shaft sleeve is provided in each of the clamping blocks (9) on both sides. A triangular clamping groove (10) cooperating with the shaft sleeve is provided in each of the clamping blocks (9) on both sides.

2. The sleeve removal tool according to claim 1, characterized in that: The fixing mechanism comprises lifting rods (22) fixedly connected to both sides of the limiting plates (18); a through groove (17) cooperating with the lifting rods (22) is provided on one side of the lifting groove (14) in the vertical plates (2) on both sides; and a positioning nut (20) is threadedly connected to the lifting rods (22) and abuts against one side of the vertical plates (2).

3. The sleeve removal tool according to claim 2, characterized in that: The positioning nuts (20) are fixedly connected to rotating rods (21) arranged opposite to each other, one end of the lifting rods (22) is fixedly connected to a fixing block (19), and the surfaces of the rotating rods (21) and the fixing block (19) are provided with anti-slip grooves.

4. The sleeve removal tool according to claim 1, characterized in that: A placement groove (13) is provided in the base (1).

5. The shaft sleeve removal tool according to claim 1, characterized in that: A pipeline matching the liquid spray port (12) is arranged inside the limiting plate (18), and a hose connected to the pipeline is arranged on one side of the limiting plate (18), and one end of the hose opposite to the pipeline is connected to a water pump connected to the rust remover.

6. The shaft sleeve removal tool according to claim 1, characterized in that: The two sides of the limit plate (18) are fixedly connected with guide plates (15) arranged opposite to each other, and the two sides of the lifting groove (14) in the vertical plate (2) are provided with guide grooves (16) matching with the guide plates (15).

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