An adjustment member for an electromagnetic brake and a method of using the same

Abstract

The application discloses a kind of adjusting member for electromagnetic brake and its use method, including loading component, the front of the loading component is centrally mounted with electromagnetic brake body, the top and bottom of the front of the loading component are symmetrically movably connected with limiting component, the back of two the limiting component is symmetrically provided with movable component, the opposite side of two the limiting component is symmetrically rotatably connected with gyro wheel, the front of two the limiting component is symmetrically movably connected with baffle, the opposite side of two the back is symmetrically fixedly connected with tightening block, the back of two the tightening block is symmetrically movably connected with movable block, the back of the loading component is installed and has adjusting component, the left and right sides of the bottom of the adjusting component are symmetrically movably connected with support column.The adjusting member for electromagnetic brake and its use method, the adjusting member is convenient for adjusting, and it is convenient to install limiting treatment to electromagnetic brake.

Description

Technical Field

[0001] This invention relates to the field of electromagnetic brake adjustment, and particularly to an adjustment component for an electromagnetic brake and its method of use. Background Technology

[0002] Electromagnetic brakes are brakes that use electromagnetic effects to achieve braking. They are an ideal automated actuator in modern industry, mainly used in mechanical transmission systems to transmit power and control motion. They have advantages such as compact structure, simple operation, sensitive response, long service life, reliable use, and ease of remote control.

[0003] When installing electromagnetic brakes, most lack good installation limit components and rely on bolts for fastening. After prolonged use, bolts are prone to falling off, and the position of the electromagnetic brake cannot be adjusted according to the usage location, making it inconvenient to use.

[0004] Therefore, it is necessary to propose an adjustment component for electromagnetic brakes and its usage method to solve the above problems. Summary of the Invention

[0005] The main objective of this invention is to provide an adjusting component for an electromagnetic brake and its method of use, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an adjusting component for an electromagnetic brake, comprising a loading assembly, wherein an electromagnetic brake body is mounted in the center of the front side of the loading assembly, and limiting components are symmetrically and movably connected to the top and bottom of the front side of the loading assembly, and movable components are symmetrically arranged in the center of the back side of the two limiting components, and rollers are symmetrically and rotatably connected to the opposite side of the two limiting components.

[0007] The front of the two limiting components is symmetrically and movably connected with baffles, and the two back sides are symmetrically and fixedly connected with tightening blocks. The back sides of the two tightening blocks are symmetrically and movably connected with movable blocks. An adjustment component is installed on the back of the loading component, and support columns are symmetrically and movably connected to the left and right sides of the bottom of the adjustment component.

[0008] Preferably, a first movable groove is provided in the center of the front of the loading component, a bidirectional lead screw is rotatably connected to the center of the inner cavity of the first movable groove, a rotating handle is fixedly connected to the top of the bidirectional lead screw, and the rotating handle is rotatably connected to the center of the top of the loading component.

[0009] Preferably, the back sides of the two movable components are symmetrically threaded to both ends of the outer wall of the bidirectional lead screw, and the front sides of the two movable components are symmetrically provided with second movable grooves. The inner cavities of the two second movable grooves are symmetrically and movably connected with first connecting blocks, and the front sides of the two first connecting blocks are symmetrically and fixedly connected to the center of the back sides of the two limiting components.

[0010] Preferably, a first fixing post is fixedly connected to the inner cavity of the second movable groove, a first spring is wound around the outer wall of the first fixing post, one end of the first spring is fixedly connected to the inner cavity of the second movable groove, and the other end of the first spring is fixedly connected to the outer wall of the first connecting block. The two limiting components are symmetrically attached to the top and bottom of the electromagnetic brake body on opposite sides.

[0011] Preferably, the two limiting components are symmetrically provided with tightening grooves at the center of their front sides, and the two movable blocks are symmetrically and movably connected in the inner cavities of the two tightening grooves. A third fixing post is fixedly connected to the center of the inner cavity of the tightening groove, and a third spring is wound around the outer wall of the third fixing post. One end of the third spring is fixedly connected to the inner cavity of the tightening groove, and the other end of the third spring is fixedly connected to the outer wall of the movable block. The movable block is sleeved on the outer wall of the third fixing post.

[0012] Preferably, symmetrical limiting grooves are formed at the center of the front of the two movable blocks. A first limiting block is fixedly connected to the back of the tightening block. A second fixing post is fixedly connected to the center of the back of the inner cavity of the limiting groove. A second spring is wound around the outer wall of the second fixing post. The back of the second spring is fixedly connected to the back of the inner cavity of the limiting groove. The front of the second spring is fixedly connected to the center of the back of the first limiting block. The tightening block and the first limiting block are sleeved on the outer wall of the second fixing post. The two tightening blocks are symmetrically fixedly connected to the opposite sides of the back of the two baffles.

[0013] Preferably, a through groove is provided in the center of the front side of the adjusting component, and a second connecting block is movably connected in the inner cavity of the through groove. The front side of the second connecting block is fixedly connected to the center of the back side of the loading component. Sliding grooves are symmetrically provided in the center of the top and bottom of the inner cavity of the through groove. Adjusting grooves are symmetrically provided in the top and bottom of the back side of the adjusting component. The inner cavities of the adjusting grooves and the sliding grooves are connected. The top and bottom of the second connecting block are symmetrically movably connected in the inner cavities of the two sliding grooves. Bolts are symmetrically provided in the top and bottom of the back side of the adjusting component. The front side of the bolts is threadedly connected to the top and bottom of the second connecting block through the inner cavity of the adjusting groove.

[0014] Preferably, a fourth fixing column is symmetrically fixedly connected to the left and right sides of the bottom of the adjusting component, and a second limiting block is fixedly connected to the bottom of the fourth fixing column. The support column has a hollow structure, and the fourth fixing column and the second limiting block are movably connected in the inner cavity of the support column. A fastening bolt is threadedly connected to the top of the front of the support column, and the back of the fastening bolt is attached to the front of the fourth fixing column.

[0015] A method of using an adjusting component for an electromagnetic brake, comprising the following operational steps:

[0016] S1: Adjust the installation height of the electromagnetic brake body according to the usage requirements. Loosen the fastening bolts and move the support column so that it can move on the outer wall of the fourth fixed column. This will adjust the placement height of the loading component. After adjustment, tighten the fastening bolts to fix the height.

[0017] S2: Adjust the position of the electromagnetic brake body according to the usage requirements, loosen the bolts, move the loading component, and drive the second connecting block to move left and right in the inner cavity of the through groove. When the second connecting block moves, its top and bottom will move in the inner cavity of the slide groove. After moving to the appropriate position, tighten the bolts to fix the position of the second connecting block and thus fix the position of the loading component.

[0018] S3: Move the two baffles in opposite directions, place the electromagnetic brake body on the front of the loading assembly, rotate the handle to drive the bidirectional lead screw to rotate in the inner cavity of the first movable groove, so that the movable assembly can be threadedly connected with the bidirectional lead screw, thereby driving the two limit assemblies to move on opposite sides until the rollers are in contact with the top and bottom of the electromagnetic brake body.

[0019] S4: The first spring will constantly push the first connecting block toward the side closer to the center of the loading component, and also has a certain degree of mobility, so that the limiting component can always be in contact with the outer wall of the electromagnetic brake body. When the electromagnetic brake body is working, its outer wall can be rotated by the roller, and the movable limiting component has good adaptability.

[0020] S5: After the baffle is released, the third spring will cause the movable block to spring to one side of the center of the electromagnetic brake body, so that the tightening block can drive the baffle to move towards the center of the front of the electromagnetic brake body. At this time, the front of the electromagnetic brake body can be limited. At the same time, the second spring will constantly retract the first limiting block towards the back of the limiting groove cavity, so that the baffle can always be tightly attached to the front of the electromagnetic brake body.

[0021] Compared with the prior art, the present invention provides an adjusting component for an electromagnetic brake and a method of using the same, which has the following advantages:

[0022] 1. The adjusting component for the electromagnetic brake and its usage method, by rotating the provided handle, can drive the bidirectional lead screw to rotate, so that the movable component can be threadedly connected to it. At this time, the position of the two limiting components can be adjusted according to the size of the electromagnetic brake body, thereby enabling the installation of the electromagnetic brake body. The provided rollers facilitate the operation of the electromagnetic brake body and reduce the friction between the electromagnetic brake body and the outer wall of the limiting component. The provided first connecting block, first fixing post and first fixing post can provide a certain degree of mobility for the limiting component, and can achieve a good adaptation effect when installing and adapting and operating the electromagnetic brake body.

[0023] 2. The adjusting component for the electromagnetic brake and its usage method, through the set baffle, can limit the front of the electromagnetic brake body. Through the set second spring, the tightening block can be retracted to the back at all times, so that the baffle can always fit against the front of the electromagnetic brake body. At the same time, through the set third spring, the baffle can be retracted to the center of the front of the electromagnetic brake body at all times, thereby ensuring the stability of the electromagnetic brake body installation.

[0024] 3. The adjusting component for the electromagnetic brake and its usage method, by moving the loading component, can drive the second connecting block to adjust within the cavity of the adjusting component, thereby adjusting the placement position of the electromagnetic brake body. The supporting column and the fourth fixing column can adjust the placement height of the electromagnetic brake body, thereby improving the usage efficiency of the electromagnetic brake body. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the front structure of the present invention;

[0026] Figure 2 This is an unfolded diagram of the active block of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of the loading component of the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the active component of the present invention;

[0029] Figure 5 This is an unfolded view of the support column of the present invention;

[0030] Figure 6 This is a schematic diagram of the structure on the back of the adjustment component of the present invention.

[0031] In the diagram: 1. Loading assembly; 2. Electromagnetic brake body; 3. Rotary handle; 4. First movable groove; 5. Bidirectional lead screw; 6. Limiting assembly; 7. Roller; 8. Movable assembly; 9. Second movable groove; 10. First connecting block; 11. First fixed post; 12. First spring; 13. Tightening groove; 14. Baffle; 15. Movable block; 16. Tightening block; 17. First limiting block; 18. Second fixed post; 19. Second spring; 20. Limiting groove; 21. Third fixed post; 22. Third spring; 23. Adjusting assembly; 24. Through groove; 25. Slide groove; 26. Adjusting groove; 27. Bolt; 28. Second connecting block; 29. ​​Support post; 30. Fastening bolt; 31. Fourth fixed post; 32. Second limiting block. Detailed Implementation

[0032] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments. Example 1

[0033] like Figure 1-6As shown, an adjusting component for an electromagnetic brake includes a loading assembly 1. An electromagnetic brake body 2 is mounted at the center of the front of the loading assembly 1. Limiting components 6 are symmetrically and movably connected to the top and bottom of the front of the loading assembly 1. Movable components 8 are symmetrically arranged at the center of the back of the two limiting components 6. Rollers 7 are symmetrically and rotatably connected to opposite sides of the two limiting components 6. Baffles 14 are symmetrically and movably connected to the front of the two limiting components 6. Tightening blocks 16 are symmetrically and fixedly connected to opposite sides of the two backs. Movable blocks 15 are symmetrically and movably connected to the back of the two tightening blocks 16. An adjusting assembly 23 is mounted on the back of the loading assembly 1. Support columns 29 are symmetrically and movably connected to the left and right sides of the bottom of the adjusting assembly 23. A first movable component is opened at the center of the front of the loading assembly 1. The first movable groove 4 has a bidirectional lead screw 5 rotatably connected to its inner center. A handle 3 is fixedly connected to the top of the bidirectional lead screw 5, and the handle 3 is rotatably connected to the center of the top of the loading assembly 1. The backs of two movable components 8 are symmetrically threaded to both ends of the outer wall of the bidirectional lead screw 5. The fronts of the two movable components 8 are symmetrically provided with second movable grooves 9. First connecting blocks 10 are symmetrically movably connected to the inner cavities of the two second movable grooves 9. The fronts of the two first connecting blocks 10 are symmetrically fixedly connected to the center of the backs of the two limiting components 6. A first fixing post 11 is fixedly connected to the inner cavity of the second movable groove 9. A first spring 12 is wound around the outer wall of the first fixing post 11, and one end of the first spring 12 is fixedly connected to the inner cavity of the second movable groove 9. The other end is fixedly connected to the outer wall of the first connecting block 10. The two limiting components 6 are symmetrically attached to the top and bottom of the electromagnetic brake body 2 on opposite sides. The two limiting components 6 have symmetrically opened tightening grooves 13 in the center of their front sides. The two movable blocks 15 are symmetrically movably connected in the inner cavity of the two tightening grooves 13. The third fixing post 21 is fixedly connected to the center of the inner cavity of the tightening groove 13. The outer wall of the third fixing post 21 is wound with a third spring 22. One end of the third spring 22 is fixedly connected to the inner cavity of the tightening groove 13, and the other end of the third spring 22 is fixedly connected to the outer wall of the movable block 15. The movable block 15 is sleeved on the outer wall of the third fixing post 21. The two movable blocks 15 have symmetrically opened limiting grooves 20 in the center of their front sides. The back of the tightening block 16 is fixedly connected to the first A second fixing post 18 is fixedly connected to the center of the back side of the limiting block 17 and the limiting groove 20. A second spring 19 is wound around the outer wall of the second fixing post 18. The back side of the second spring 19 is fixedly connected to the back side of the limiting groove 20, and the front side of the second spring 19 is fixedly connected to the center of the back side of the first limiting block 17. A tightening block 16 and the first limiting block 17 are sleeved on the outer wall of the second fixing post 18. Two tightening blocks 16 are symmetrically fixedly connected to the back sides of the two baffles 14. A through groove 24 is opened in the center of the front side of the adjusting component 23. A second connecting block 28 is movably connected in the inner cavity of the through groove 24. The front side of the second connecting block 28 is fixedly connected to the center of the back side of the loading component 1. Sliding grooves 25 are symmetrically opened in the center of the top and bottom of the inner cavity of the through groove 24.The top and bottom of the back of the adjusting component 23 are symmetrically provided with adjusting grooves 26, which communicate with the inner cavities of the sliding grooves 25. The top and bottom of the second connecting block 28 are symmetrically and movably connected in the inner cavities of the two sliding grooves 25. Bolts 27 are symmetrically provided on the top and bottom of the back of the adjusting component 23. The front of the bolts 27 is threadedly connected to the top and bottom of the second connecting block 28 through the inner cavity of the adjusting grooves 26. Fourth fixing posts 31 are symmetrically and fixedly connected to the left and right sides of the bottom of the adjusting component 23. Second limiting blocks 32 are fixedly connected to the bottom of the fourth fixing posts 31. The support post 29 has a hollow structure. The fourth fixing post 31 and the second limiting block 32 are movably connected in the inner cavity of the support post 29. Fastening bolts 30 are threadedly connected to the top of the front of the support post 29. The back of the fastening bolts 30 is attached to the front of the fourth fixing posts 31.

[0034] Rotating the handle 3 drives the bidirectional lead screw 5 to rotate, allowing the movable component 8 to connect threadedly. The positions of the two limiting components 6 can then be adjusted according to the dimensions of the electromagnetic brake body 2, facilitating the installation of the electromagnetic brake body 2. The rollers 7 facilitate the operation of the electromagnetic brake body 2 and reduce friction between the electromagnetic brake body 2 and the outer wall of the limiting components 6. The first connecting block 10, the first fixing post 11, and the first fixing post 12 provide a certain degree of mobility for the limiting components 6, ensuring a good fit during installation and operation of the electromagnetic brake body 2. The baffle 14 ensures proper positioning of the electromagnetic brake body 2. The front of the electromagnetic brake body 2 has a limiting effect. The second spring 19 can retract the tightening block 16 to the back at all times, so that the baffle 14 can always fit against the front of the electromagnetic brake body 2. At the same time, the third spring 22 can facilitate the baffle 14 to retract towards the center of the front of the electromagnetic brake body 2 at all times, thereby ensuring the stability of the installation of the electromagnetic brake body 2. By moving the loading component 1, the second connecting block 28 can be adjusted in the inner cavity of the adjusting component 23, thereby adjusting the placement position of the electromagnetic brake body 2. The support column 29 and the fourth fixing column 31 can adjust the placement height of the electromagnetic brake body 2, thereby improving the utilization efficiency of the electromagnetic brake body 2. Example 2

[0035] like Figure 1-6 As shown, a method of using an adjusting component for an electromagnetic brake includes the following steps:

[0036] S1: Adjust the installation height of the electromagnetic brake body 2 according to the usage requirements. Loosen the fastening bolt 30 and move the support column 29 so that it can move on the outer wall of the fourth fixed column 31. This adjusts the placement height of the loading component 1. After adjustment, tighten the fastening bolt 30 to fix the height.

[0037] S2: Adjust the position of the electromagnetic brake body 2 according to the usage requirements, loosen the bolt 27, move the loading component 1, and drive the second connecting block 28 to move left and right in the inner cavity of the through groove 24. When the second connecting block 28 moves, its top and bottom will move in the inner cavity of the slide groove 25. After moving to the appropriate position, tighten the bolt 27 to fix the position of the second connecting block 28, and thus fix the position of the loading component 1.

[0038] S3: Move the two baffles 14 in opposite directions, place the electromagnetic brake body 2 on the front of the loading assembly 1, rotate the handle 3, drive the bidirectional lead screw 5 to rotate in the inner cavity of the first movable groove 4, so that the movable assembly 8 can be threadedly connected with the bidirectional lead screw 5, thereby driving the two limiting assemblies 6 to move on opposite sides until the roller 7 is in contact with the top and bottom of the electromagnetic brake body 2.

[0039] S4: The first spring 12 will constantly push the first connecting block 10 toward the side closer to the center of the loading component 1, and at the same time has a certain degree of mobility, so that the limiting component 6 can always fit against the outer wall of the electromagnetic brake body 2. When the electromagnetic brake body 2 is working, its outer wall can be rotated by the roller 7, and the movable limiting component 6 has good adaptability.

[0040] S5: After the baffle 14 is released, the third spring 22 will drive the movable block 15 to bounce to one side of the center of the electromagnetic brake body 2, so that the tightening block 16 can drive the baffle 14 to move towards the center of the front of the electromagnetic brake body 2. At this time, the front of the electromagnetic brake body 2 can be limited. At the same time, the second spring 19 will constantly retract the first limiting block 17 towards the back of the inner cavity of the limiting groove 20, so that the baffle 14 can always be tightly attached to the front of the electromagnetic brake body 2.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An adjusting member for an electromagnetic brake, comprising a loading assembly (1), characterized in that: An electromagnetic brake body (2) is installed in the center of the front of the loading assembly (1). Limiting components (6) are symmetrically and movably connected to the top and bottom of the front of the loading assembly (1). Movable components (8) are symmetrically arranged in the center of the back of the two limiting components (6). Rollers (7) are symmetrically and rotatably connected to the opposite side of the two limiting components (6). Two limiting components (6) are symmetrically connected to baffles (14) on their front sides, and two opposite sides of the back sides are symmetrically fixed to tightening blocks (16). Two tightening blocks (16) are symmetrically connected to movable blocks (15) on their back sides. An adjustment component (23) is installed on the back side of the loading component (1). Support columns (29) are symmetrically connected to the left and right sides of the bottom of the adjustment component (23). The loading assembly (1) has a first movable groove (4) in the center of the front side. A two-way screw (5) is rotatably connected to the center of the inner cavity of the first movable groove (4). A rotating handle (3) is fixedly connected to the top of the two-way screw (5). The rotating handle (3) is rotatably connected to the center of the top of the loading assembly (1). The back sides of the two movable components (8) are symmetrically threaded to both ends of the outer wall of the bidirectional screw (5). The front sides of the two movable components (8) are symmetrically provided with second movable grooves (9). The inner cavities of the two second movable grooves (9) are symmetrically connected with first connecting blocks (10). The front sides of the two first connecting blocks (10) are symmetrically fixedly connected to the center of the back sides of the two limiting components (6). A first fixed post (11) is fixedly connected in the inner cavity of the second movable groove (9). A first spring (12) is wound around the outer wall of the first fixed post (11). One end of the first spring (12) is fixedly connected in the inner cavity of the second movable groove (9). The other end of the first spring (12) is fixedly connected to the outer wall of the first connecting block (10). The two limiting components (6) are symmetrically attached to the top and bottom of the electromagnetic brake body (2) on opposite sides. Two limiting components (6) are symmetrically provided with tightening grooves (13) in the center of their front sides. Two movable blocks (15) are symmetrically and movably connected in the inner cavity of the two tightening grooves (13). A third fixing post (21) is fixedly connected in the center of the inner cavity of the tightening groove (13). A third spring (22) is wound around the outer wall of the third fixing post (21). One end of the third spring (22) is fixedly connected in the inner cavity of the tightening groove (13). The other end of the third spring (22) is fixedly connected to the outer wall of the movable block (15). The movable block (15) is sleeved on the outer wall of the third fixing post (21). Two movable blocks (15) are symmetrically provided with limiting grooves (20) in the center of their front sides. The back of the tightening block (16) is fixedly connected to a first limiting block (17). The center of the back of the inner cavity of the limiting groove (20) is fixedly connected to a second fixing post (18). The outer wall of the second fixing post (18) is wrapped with a second spring (19). The back of the second spring (19) is fixedly connected to the back of the inner cavity of the limiting groove (20). The front of the second spring (19) is fixedly connected to the center of the back of the first limiting block (17). The tightening block (16) and the first limiting block (17) are sleeved on the outer wall of the second fixing post (18). The two tightening blocks (16) are symmetrically fixedly connected to the opposite sides of the back of the two baffles (14). The adjustment component (23) has a through groove (24) in the center of its front side. A second connecting block (28) is movably connected in the inner cavity of the through groove (24). The front side of the second connecting block (28) is fixedly connected to the center of the back side of the loading component (1). Sliding grooves (25) are symmetrically opened in the center of the top and bottom of the inner cavity of the through groove (24). Adjustment grooves (26) are symmetrically opened in the top and bottom of the back side of the adjustment component (23). The inner cavities of the adjustment groove (26) and the sliding groove (25) are connected. The top and bottom of the second connecting block (28) are symmetrically movably connected in the inner cavities of the two sliding grooves (25). Bolts (27) are symmetrically arranged in the top and bottom of the back side of the adjustment component (23). The front side of the bolts (27) is threadedly connected to the top and bottom of the second connecting block (28) through the inner cavity of the adjustment groove (26). The adjustment component (23) has a fourth fixed column (31) symmetrically fixedly connected to the left and right sides of its bottom. The bottom of the fourth fixed column (31) is fixedly connected to a second limiting block (32). The support column (29) has a hollow structure. The fourth fixed column (31) and the second limiting block (32) are movably connected in the inner cavity of the support column (29). The top of the front of the support column (29) is threaded with a fastening bolt (30). The back of the fastening bolt (30) is attached to the front of the fourth fixed column (31).

2. The method of using an adjusting member for an electromagnetic brake according to claim 1, characterized in that: The procedure includes the following steps: S1: Adjust the installation height of the electromagnetic brake body (2) according to the usage requirements, loosen the fastening bolt (30), move the support column (29) so that it can move on the outer wall of the fourth fixed column (31) to adjust the placement height of the loading component (1). After the adjustment is completed, tighten the fastening bolt (30) to fix the height. S2: Adjust the position of the electromagnetic brake body (2) according to the usage requirements, loosen the bolt (27), move the loading component (1), and drive the second connecting block (28) to move left and right in the inner cavity of the through groove (24). When the second connecting block (28) moves, its top and bottom will move in the inner cavity of the slide groove (25). After moving to the appropriate position, tighten the bolt (27) to fix the position of the second connecting block (28) and thus fix the position of the loading component (1). S3: Move the two baffles (14) in opposite directions, place the electromagnetic brake body (2) on the front of the loading assembly (1), rotate the handle (3) to drive the double-acting screw (5) to rotate in the inner cavity of the first movable groove (4), so that the movable assembly (8) can be threadedly connected with the double-acting screw (5), thereby driving the two limiting assemblies (6) to move on opposite sides until the roller (7) is in contact with the top and bottom of the electromagnetic brake body (2); S4: The first spring (12) will constantly push the first connecting block (10) towards the side closer to the center of the loading assembly (1), and at the same time it has a certain degree of mobility, so that the limiting assembly (6) can always fit against the outer wall of the electromagnetic brake body (2). When the electromagnetic brake body (2) is working, its outer wall can be rotated by the roller (7), and the movable limiting assembly (6) has good adaptability. S5: After the baffle (14) is released, the third spring (22) will drive the movable block (15) to bounce to one side of the center of the electromagnetic brake body (2), so that the tightening block (16) can drive the baffle (14) to move towards the center of the front of the electromagnetic brake body (2). At this time, the front of the electromagnetic brake body (2) can be limited. At the same time, the second spring (19) will always retract the first limiting block (17) towards the back of the inner cavity of the limiting groove (20), so that the baffle (14) can always be tightly attached to the front of the electromagnetic brake body (2).

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