Transmission chain link dismounting tool

Abstract

The utility model relates to the technical field of chain link disassembly, in particular to a transmission chain link disassembly tool which comprises a fixing frame, a moving hole is formed in the fixing frame, sliding blocks are symmetrically installed in the moving hole in a sliding mode through an installation assembly, and rectangular driving levers are fixedly installed on the upper surfaces of the two sliding blocks. A threaded rod is rotatably mounted on the lower surface of the fixing frame through a support assembly, the threaded rod is sleeved with a moving block in a threaded mode, supporting rods are rotatably mounted on the two side faces of the moving block, and the ends, away from the moving block, of the two supporting rods are rotatably connected with the lower surfaces of the two moving blocks correspondingly. The two rectangular driving levers are inserted into gaps of other chain links on the two sides of a chain link to be detached, then the chain link needing to be maintained can be detached conveniently through mutual cooperation of the threaded rod, the moving block, the supporting rod and the sliding block, operation is easy, time and labor are saved, and the hand of a maintainer can be effectively protected.

Description

Technical Field

[0001] The utility model relates to the technical field of chain link disassembly, in particular to a transmission chain link disassembly tool. Background Art

[0002] Chain drive is the main transmission method for many machines in workshops. It is reliable and efficient and suitable for humid and dusty working environments. After long-term use, the chain will produce certain wear and tear, and some links of the chain need to be disassembled and repaired.

[0003] When the chain is installed on the sprocket, it is in a taut state. When removing a certain chain link, it is necessary to manually pull the other chain links connected at both ends of the chain link to be removed, driving the chain links connected at both ends closer to each other, so that the chain link to be removed is in a relaxed state. However, manual pulling requires a lot of effort, and the hand may be scratched in the process of pulling. Utility Model Content

[0004] The purpose of the utility model is to solve the following shortcomings in the prior art: when manually pulling the chain link, a lot of effort is needed, and the hand may be scratched during the pulling process, and a transmission chain link disassembly tool is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A transmission chain link disassembly tool, comprising a fixing frame, a rectangular placement groove is provided on the upper surface of the fixing frame, a moving hole is provided in the rectangular placement groove, a slider is symmetrically slidably installed in the moving hole through an installation component, and a rectangular lever is fixedly installed on the upper surface of two sliders;

[0007] A threaded rod is rotatably mounted on the lower surface of the fixing frame through a bracket assembly, a moving block is threadedly sleeved on the threaded rod, support rods are rotatably mounted on both side surfaces of the moving block, and one end of the two support rods away from the moving block is rotatably connected to the lower surfaces of the two moving blocks respectively.

[0008] Preferably, the mounting assembly comprises a slide rail fixedly mounted horizontally in the moving hole, the two moving blocks are each provided with a slide hole, and the two moving blocks are symmetrically slidably sleeved on the slide rail.

[0009] Preferably, a connecting block is fixedly mounted on the lower end of the threaded rod, a plug hole is provided on the connecting block, and a labor-saving rod is slidably inserted into the plug hole.

[0010] Preferably, an L-shaped mounting groove is provided at the upper end of the rectangular lever, and strip holes connected to the mounting groove are provided on both side surfaces of the rectangular lever, a limit block is inserted in the mounting groove, and positioning rods are fixedly installed on both side surfaces of the limit block, and the two positioning rods are slidably inserted in the two strip holes respectively.

[0011] Preferably, a positioning groove is provided on the surface of the limit block, a clamping groove is provided on the side wall of the positioning groove, two spring rods are fixedly installed on the side of the rectangular lever, a contact rod is fixedly installed on one end of the two spring rods, a clamping block is fixedly installed on the contact rod, the upper end of the contact rod is inserted in the positioning groove, and the clamping block is located in the positioning groove.

[0012] Preferably, an anti-skid pad is fixedly installed on the surface of the contact rod, and the anti-skid pad is made of rubber.

[0013] In the utility model, the beneficial effects are:

[0014] The two rectangular levers are inserted into the gaps between the other chain links on both sides of the chain link to be disassembled, and then the chain links at the rectangular levers are driven to approach each other through the cooperation of the threaded rod, the moving block, the support rod and the sliding block, so that the chain links to be disassembled are in a relaxed state, which is convenient for disassembly of the chain links that need to be repaired. The operation is simple, time-saving and labor-saving, and the hands of the maintenance personnel can be effectively protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view three-dimensional structural schematic diagram of a transmission chain link disassembly tool proposed by the utility model;

[0016] Figure 2 This is a top-down perspective structural diagram of a transmission chain link disassembly tool proposed by the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of a rectangular lever and a limit block in a transmission chain link disassembly tool proposed by the utility model;

[0018] Figure 4 for Figure 3 A magnified view of the structure in the middle.

[0019] In the figure: 1 fixed frame, 2 sliding block, 3 rectangular lever, 4 threaded rod, 5 moving block, 6 support rod, 7 slide rail, 8 connecting block, 9 labor saving rod, 10 limit block, 11 positioning rod, 12 positioning groove, 13 card slot, 14 spring rod, 15 contact rod, 16 card block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 4 A transmission chain link disassembly tool comprises a fixing frame 1, a rectangular placement groove is provided on the upper surface of the fixing frame 1, a moving hole is provided in the rectangular placement groove, a slider 2 is symmetrically slidably installed in the moving hole through an installation component, and a rectangular lever 3 is fixedly installed on the upper surface of the two sliders 2;

[0022] A threaded rod 4 is rotatably installed on the lower surface of the fixed frame 1 through a bracket assembly. The installation assembly includes a slide rail 7 horizontally fixedly installed in the moving hole. Slide holes are opened on the two moving blocks 5. The two moving blocks 5 are symmetrically slidably sleeved on the slide rail 7. The moving blocks 5 are threadedly sleeved on the threaded rod 4. The two side surfaces of the moving blocks 5 are rotatably installed with support rods 6. The ends of the two support rods 6 away from the moving blocks 5 are rotatably connected to the lower surfaces of the two moving blocks 5 respectively.

[0023] When disassembling the chain link, place the chain in the rectangular placement groove, and then insert the two rectangular levers 3 on the two sliders 2 into the gaps between the two chain links respectively, so that the chain link that needs to be repaired is located in the middle of the two rectangular levers 3, and then rotate the threaded rod 4 to drive the moving block 5 to move vertically downward on the threaded rod 4. During the movement of the moving block 5, the two sliders 2 are driven to approach each other through the two support rods 6, thereby driving the chain links at the rectangular lever 3 to approach each other, so that the chain link to be disassembled is in a relaxed state, which is convenient for disassembling the chain link that needs to be repaired. The operation is simple, time-saving and labor-saving, and it can effectively protect the hands of the maintenance personnel.

[0024] A connecting block 8 is fixedly installed at the lower end of the threaded rod 4, and a socket is opened on the connecting block 8. A labor-saving rod 9 is slidably inserted in the socket. When it is necessary to drive the threaded rod 4 to rotate, the connecting block 8 can be driven to rotate by rotating the labor-saving rod 9, thereby driving the threaded rod 4 to rotate through the connecting block 8. The setting of the labor-saving rod 9 can save effort and facilitate the rotation of the threaded rod 4.

[0025] An L-shaped mounting groove is provided at the upper end of the rectangular lever 3, and strip holes connected to the mounting groove are provided on both sides of the rectangular lever 3. A limit block 10 is inserted in the mounting groove, and positioning rods 11 are fixedly installed on both sides of the limit block 10. The two positioning rods 11 are respectively slidably inserted in the two strip holes. The limit block 10 can slide in the mounting groove through the positioning rods 11. When the positioning rods 11 slide to the uppermost end of the strip hole, the limit block 10 can be rotated so that the limit block 10 is in a horizontal state.

[0026] A positioning groove 12 is provided on the surface of the limit block 10, and a clamping groove 13 is provided on the side wall of the positioning groove 12. Two spring rods 14 are fixedly installed on the side of the rectangular lever 3, and a contact rod 15 is fixedly installed at one end of the two spring rods 14. A clamping block 16 is fixedly installed on the contact rod 15. The upper end of the contact rod 15 is inserted into the positioning groove 12, and the clamping block 16 is located in the positioning groove 12;

[0027] When the limit block 10 rotates to a horizontal state, the upper end of the contact rod 15 will be just inserted into the positioning groove 12, and the block 16 installed on the contact rod 15 will be just aligned with the groove 13. When the rectangular lever 3 drives the chain links to approach each other, the contact rod 15 will first contact the chain links. At this time, the spring rod 14 is compressed, and the contact rod 15 will move toward the rectangular lever 3. At the same time, the contact rod 15 will drive the block 16 to move toward the groove 13 and insert it into the groove 13. Under the limit of the contact rod 15 and the block 16, the limit block 10 can be prevented from rotating.

[0028] When the rectangular lever 3 drives the chain link to move, the horizontal limit block 10 can prevent the chain link from detaching from the rectangular lever 3 .

[0029] An anti-skid pad is fixedly installed on the surface of the contact rod 15. The anti-skid pad is made of rubber. When the contact rod 15 contacts the chain link, the anti-skid pad can increase the friction between the two to prevent slipping between them.

[0030] In the utility model, when disassembling the chain link, the chain is placed in the rectangular placement groove, and then the two rectangular levers 3 on the two sliders 2 are respectively inserted into the gaps between the two chain links, so that the chain link that needs to be repaired is located in the middle of the two rectangular levers 3, and then the threaded rod 4 is rotated to drive the moving block 5 to move vertically downward on the threaded rod 4. During the movement of the moving block 5, the two sliders 2 are driven to approach each other through the two support rods 6, thereby driving the chain links at the rectangular lever 3 to approach each other, so that the chain link to be disassembled is in a relaxed state, which is convenient for disassembling the chain link that needs to be repaired, and the operation is simple, time-saving and labor-saving, and can effectively protect the hands of maintenance personnel.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A transmission chain link disassembly tool, comprising a fixing frame (1), characterized in that: The upper surface of the fixing frame (1) is provided with a rectangular placement groove, a movable hole is provided in the rectangular placement groove, a slider (2) is symmetrically slidably installed in the movable hole through an installation component, and a rectangular lever (3) is fixedly installed on the upper surface of the two sliders (2); A threaded rod (4) is rotatably mounted on the lower surface of the fixed frame (1) through a bracket assembly, a moving block (5) is threadedly sleeved on the threaded rod (4), support rods (6) are rotatably mounted on both side surfaces of the moving block (5), and the ends of the two support rods (6) away from the moving block (5) are rotatably connected to the lower surfaces of the two moving blocks (5) respectively.

2. A transmission chain link disassembly tool according to claim 1, characterized in that: The installation assembly comprises a slide rail (7) fixedly installed horizontally in the moving hole, and the two moving blocks (5) are each provided with a slide hole, and the two moving blocks (5) are symmetrically slidably sleeved on the slide rail (7).

3. The transmission chain link disassembly tool according to claim 1, characterized in that: A connection block (8) is fixedly mounted on the lower end of the threaded rod (4), and a plug hole is provided on the connection block (8), and a labor-saving rod (9) is slidably inserted into the plug hole.

4. The transmission chain link disassembly tool according to claim 1, characterized in that: An L-shaped mounting groove is provided at the upper end of the rectangular lever (3), strip holes communicating with the mounting groove are provided on both sides of the rectangular lever (3), a limit block (10) is inserted into the mounting groove, and positioning rods (11) are fixedly installed on both sides of the limit block (10), and two positioning rods (11) are respectively slidably inserted into the two strip holes.

5. The transmission chain link disassembly tool according to claim 4, characterized in that: A positioning groove (12) is provided on the surface of the limit block (10), a clamping groove (13) is provided on the side wall of the positioning groove (12), two spring rods (14) are fixedly mounted on the side of the rectangular lever (3), a contact rod (15) is fixedly mounted on one end of the two spring rods (14), a clamping block (16) is fixedly mounted on the contact rod (15), the upper end of the contact rod (15) is inserted into the positioning groove (12), and the clamping block (16) is located in the positioning groove (12).

6. A transmission chain link disassembly tool according to claim 5, characterized in that: An anti-skid pad is fixedly mounted on the surface of the contact rod (15), and the anti-skid pad is made of rubber.

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