Shaft head nut dismounting tool

Abstract

The utility model relates to the technical field of maintenance tools, and provides a shaft head nut dismounting tool which comprises a bearing plate, a connecting screw rod is fixed on the bearing plate, a locking nut is sleeved on the connecting screw rod, one end of the connecting screw rod is fixed with the circle center of the bearing plate, a connecting groove is formed in the other end face of the connecting screw rod, and the locking nut is sleeved on the connecting screw rod. A plurality of strip-shaped holes are formed in the supporting plate; the rotating plate is provided with an arc-shaped hole corresponding to the strip-shaped hole, the rotating plate and the bearing plate are coaxial, and the rotating plate is rotatably arranged on the connecting screw rod in a sleeving mode; the force application piece is simultaneously inserted into the strip-shaped hole and the arc-shaped hole, a fixing block is connected to the end, where the rotating plate is located, of the force application piece, the width of the fixing block is larger than that of the arc-shaped hole, and the other end of the force application piece is bent towards the center of the bearing plate to form a connecting hook. The dismounting tool has the advantages that the dismounting tool can be suitable for shaft head nuts with various diameters and slot positions, the shaft head nuts can be dismounted, and the use requirements of various devices are met.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance tools, and in particular to a shaft head nut disassembly and assembly tool. Background Art

[0002] The shaft head nut is a round nut. As a mechanical part for axial fixation of rolling bearings, it can withstand large axial forces and is easy to disassemble and assemble. It can be used at a distance between the parts and the bearings, avoiding the need for long sleeves, which is conducive to the fixation of parts. Round nuts are often used with locking washers. When assembling, the inner tongue of the washer is inserted into the groove on the shaft, and the outer tongue of the washer is embedded in the groove of the round nut, and the nut is locked.

[0003] Due to its round profile, the shaft head nut cannot be used with ordinary wrenches on the market and can only be disassembled and assembled with special tools. However, due to the diverse usage environments of the shaft head nut, it has many different specifications. Even special disassembly and assembly tools cannot meet the disassembly and assembly of multiple shaft head nuts at the same time, which brings great inconvenience to the maintenance of various equipment. Utility Model Content

[0004] The utility model provides a shaft head nut disassembling and assembling tool, which can be suitable for shaft head nuts with various diameters and slot positions, and can be disassembled and assembled to meet the use requirements of various equipment.

[0005] To this end, the technical solutions adopted are as follows:

[0006] A shaft head nut disassembly and assembly tool comprises a support plate, which is a circular structure. A connecting screw perpendicular to the support plate is fixed on the support plate. A locking nut matching its thread is sleeved on the connecting screw. One end of the connecting screw is fixed to the center of the support plate, and a connecting groove for connecting a wrench is provided on the other end surface. The support plate is provided with a plurality of strip holes arranged along its radial direction.

[0007] The rotating plate is a circular structure, and a plurality of arc holes are opened on the rotating plate corresponding to the strip holes. The rotating plate is coaxial with the supporting plate and can be rotatably sleeved on the connecting screw and located between the supporting plate and the locking nut.

[0008] A force-applying member, which is inserted into the strip hole and the arc hole at the same time and is connected to a fixed block at one end where the rotating plate is located, the width of the fixed block is greater than the width of the arc hole, and the other end of the force-applying member is bent toward the center of the supporting plate to form a connecting hook, and the connecting hook can be inserted into the groove on the side wall of the shaft head nut, and the force-applying member can be driven to move along the strip hole where it is located by the rotation of the rotating plate.

[0009] A further technical solution is that the fixing block is threadedly connected to the force applying member.

[0010] A further technical solution is that the support plate is provided with a plurality of guide grooves on the surface of one side of the connecting hook, the directions and numbers of the guide grooves correspond one to one with the strip holes, and the connecting hook can be embedded in the guide grooves and slide therein.

[0011] A further technical solution is that the connecting groove is a rectangular groove.

[0012] A further technical solution is that a rotating handle is fixed on the rotating plate.

[0013] A further technical solution is that the radius length of the connecting hook is greater than the length of the strip hole.

[0014] The working principle and beneficial effects of this application are:

[0015] 1. The force-applying piece can adjust its position to be suitable for shaft nuts of various diameters, and can be disassembled and assembled to meet the use requirements of various equipment.

[0016] 2. The force-applying parts can be disassembled and assembled at will, and the number can be changed to meet the needs of shaft head nuts with different numbers of slots, so as to adapt to more models and specifications of shaft head nuts.

[0017] 3. Through the connecting groove, different styles and sizes of wrenches can be connected according to the different shapes of the connecting groove, so as to adapt to more disassembly and assembly situations and meet more working environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 This is a schematic diagram of the main structure of this application;

[0020] Figure 2 This is a schematic diagram of the top view of the structure of this application;

[0021] Figure 3 This is a schematic diagram of the structure of the present application when viewed from above;

[0022] Figure 4 This is a schematic diagram of the axonometric structure of this application;

[0023] Figure 5 This is a schematic diagram of the top view of the support plate described in this application;

[0024] Figure 6 This is a schematic diagram of the main structure of the support plate described in this application;

[0025] Figure 7 This is a schematic diagram of the structure of the rotating plate described in this application;

[0026] Figure 8This is a schematic diagram of the structure of the force applying member described in this application;

[0027] Fig. 9 It is a structural schematic diagram of another embodiment of the present application.

[0028] In the figure: 100, shaft head nut; 1, support plate; 11, connecting screw; 111, connecting groove; 12, locking nut; 13, strip hole; 14, guide groove; 2, rotating plate; 21, arc hole; 22, rotating handle; 3, force member; 31, fixing block; 32, connecting hook. DETAILED DESCRIPTION

[0029] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] like Figure 1-Figure 9 As shown, a shaft head nut disassembly and assembly tool includes a support plate 1, which is a circular structure. A connecting screw 11 perpendicular to the support plate 1 is fixed on the support plate 1, and a locking nut 12 matching its thread is sleeved on the connecting screw 11. One end of the connecting screw 11 is fixed to the center of the support plate 1, and a connecting groove 111 for connecting a wrench is provided on the other end surface. The support plate 1 is provided with a plurality of strip holes 13 arranged along its radial direction.

[0031] The rotating plate 2 is a circular structure, and a plurality of arc holes 21 are opened on the rotating plate 2 corresponding to the strip holes 13. The rotating plate 2 is coaxial with the supporting plate 1 and can be rotatably sleeved on the connecting screw 11 and is located between the supporting plate 1 and the locking nut 12.

[0032] A force-applying member 3 is inserted into both the strip hole 13 and the arc hole 21 and is connected to a fixed block 31 at one end where the rotating plate 2 is located. The width of the fixed block 31 is greater than the width of the arc hole 21. The other end of the force-applying member 3 is bent toward the center of the supporting plate 1 to form a connecting hook 32. The connecting hook 32 can be inserted into the groove on the side wall of the shaft head nut 100. The force-applying member 3 can be driven by the rotating plate 2 to move along the strip hole 13 where it is located.

[0033] When the application is in use, by rotating the rotating plate 2, due to the effect of the arc plate, the several force-applying members 3 stuck therein are driven to gradually move inward or outward along the strip hole 13, so that the diameter of the circle formed by the several connecting hooks 32 gradually increases or decreases to adapt to the shaft head nuts 100 of different diameters. After the diameter is adjusted to clamp the shaft head nut 100, the rotating plate 2 and the supporting plate 1 are locked by the locking nut 12, and then the shaft head nut 100 is disassembled and assembled to meet the use requirements of various equipment. In addition, through the connecting groove 111, different styles and sizes of wrenches can be connected according to the different shapes of the connecting groove 111, so as to adapt to more disassembly and assembly situations and meet more working environments.

[0034] like Figure 8 As shown, the fixing block 31 is threadedly connected to the force member 3. Thus, the fixing block 31 can be disassembled and installed into any group of bar holes 13 and arc holes 21, meeting the requirements of different slot numbers of the shaft head nut 100, and further coping with various types of shaft head nuts 100. In addition, the fixing block 31 can also be loosened when the force member 3 needs to be moved, without hindering its movement, and locked after the diameter is determined to ensure the force of the shaft head nut 100.

[0035] like Figure 3 As shown, the support plate 1 is provided with a plurality of guide grooves 14 on the surface of one side of the connecting hook 32, and the directions and numbers of the guide grooves 14 correspond to the strip holes 13, and the connecting hook 32 can be embedded in the guide grooves 14 and slide therein. The force-applying member 3 moves in the strip hole 13, and the connecting hook 32 moves synchronously in the guide groove 14, so as to ensure that the movement trajectory of the force-applying member 3 will not be offset, and the overall structure is more compact and stable, so as to ensure the force applied to the shaft head nut 100, and can be accurately inserted into the slot of the shaft head nut 100.

[0036] like Figure 2 As shown, the connection groove 111 of one embodiment is a rectangular groove, which can be adapted to the wrench of the rectangular column of the connection part. A rotating handle 22 is fixed on the rotating plate 2. The rotating handle 22 is turned to rotate the rotating plate 2, thereby pushing a plurality of force-applying members 3 to move closer or farther away along the strip hole 13 synchronously. At the same time, in order to prevent the force-applying members 3 from falling out during the movement, the radius length of the connecting hook 32 is set to be greater than the length of the strip hole 13, so that even if it moves to the extreme position of the strip hole 13, it will not fall out of the strip hole 13.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, 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 shaft head nut disassembly and assembly tool, characterized in that: include: A support plate (1), the support plate (1) being of a circular structure, a connecting screw (11) being fixed thereon and being perpendicular thereto, a locking nut (12) being sleeved on the connecting screw (11) and matching its thread, one end of the connecting screw (11) being fixed to the center of the support plate (1), and a connecting groove (111) for connecting a wrench being provided on the other end surface, and a plurality of strip-shaped holes (13) being provided on the support plate (1) along its radial direction; A rotating plate (2), the rotating plate (2) being of a circular structure, the rotating plate (2) being provided with a plurality of arc-shaped holes (21) corresponding to the strip-shaped holes (13), the rotating plate (2) being coaxial with the supporting plate (1), and being rotatably sleeved on the connecting screw (11) and being located between the supporting plate (1) and the locking nut (12); A force-applying member (3), the force-applying member (3) being inserted into both the strip-shaped hole (13) and the arc-shaped hole (21) and being connected to a fixing block (31) at one end where the rotating plate (2) is located, the fixing block (31) having a width greater than that of the arc-shaped hole (21), and the other end of the force-applying member (3) being bent toward the center of the supporting plate (1) to form a connecting hook (32); The connecting hook (32) can be inserted into a slot on the side wall of the shaft head nut (100), and the force applying member (3) can be driven to move along the strip-shaped hole (13) in which it is located by the rotation of the rotating plate (2).

2. A shaft head nut disassembly and assembly tool according to claim 1, characterized in that: The fixing block (31) is threadedly connected to the force applying member (3).

3. A shaft head nut disassembly and assembly tool according to claim 1, characterized in that: The support plate (1) is provided with a plurality of guide grooves (14) on the surface of one side of the connecting hook (32), the directions and numbers of the guide grooves (14) corresponding to the strip holes (13) one by one, and the connecting hook (32) can be embedded in the guide groove (14) and slide therein.

4. A shaft head nut disassembly and assembly tool according to claim 1, characterized in that: The connecting groove (111) is a rectangular groove.

5. The shaft head nut disassembly and assembly tool according to claim 1, characterized in that: A rotating handle (22) is fixed on the rotating plate (2).

6. The shaft head nut disassembly and assembly tool according to claim 1, characterized in that: The radius length of the connecting hook (32) is greater than the length of the strip-shaped hole (13).

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