Automatic bolt tightening device for skateboard pulley bracket

By designing a heat dissipation device and a fast separation mechanism in the automatic fastening device of the slide pulley bracket bolt, the problem of untimely heat dissipation of the tightening motor and the lock sleeve stuck is solved, and the effect of stable motor operation and efficient disassembly of the pulley frame assembly is achieved.

CN114932402BActive Publication Date: 2025-03-14SHENGZHOU MEIJIA WOOD IND CO LTD
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Patent Information

Application Number
CN202210757600.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-29
Publication Date
2025-03-14
Estimated Expiration
2042-06-29

AI Technical Summary

Technical Problem

The existing automatic fastening device for skateboard pulley bracket bolts does not dissipate heat in time when tightening the motor locking screws, resulting in the motor heating too quickly, and the locking sleeve and nut are easily stuck, making it inconvenient to disassemble.

Method used

A slide pulley bracket bolt automatic fastening device including a support frame plate, an electrical control box, a gearbox and a heat dissipation device is designed. The heat dissipation device drives the blades to rotate through the heat dissipation motor, dissipates heat to the fastening motor, and quickly separates the pulley bracket from the locking sleeve through the telescopic cylinder and elastic support assembly, making it easy to disassemble.

Benefits of technology

It effectively solves the problem of untimely heat dissipation of the motor when tightening the locking screws, ensuring that the motor continues to work; at the same time, through the rapid separation mechanism, the unloading efficiency of pulley frame assembly is improved and the disassembly process is simplified.

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Abstract

The present invention discloses an automatic fastening device for bolts of a skateboard pulley bracket in the field of skateboard pulley assembly, comprising a support frame plate and an electric control box, wherein the four corners below the support frame plate are fixedly connected with support legs, one side of the support leg is fixedly connected with the electric control box, and a reduction box is arranged in the middle part above the support frame plate. When the present invention is working, the heat dissipation motor can drive the blades to rotate to dissipate the heat of the fastening motor, which can solve the problem that the fastening motor is stuck in the locking position when the screw is locked, and the heat dissipation is not timely, and a stable working environment can be provided for the fastening motor to ensure that the fastening motor can work continuously. The installed pulley bracket and the locking sleeve are driven to be quickly separated by the telescopic cylinder, which is convenient for quickly disassembling the fastened pulley bracket, improving the unloading efficiency of the pulley frame assembly, and thus improving the overall work efficiency.
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Description

Technical Field

[0001] The invention relates to the field of skateboard pulley assembly, in particular to an automatic fastening device for skateboard pulley bracket bolts. Background Art

[0002] Skateboarding is one of the roller skating sports. It is a device that athletes slide on their feet. On different terrains, grounds and specific facilities, under the melody of music, they can complete various complex sliding, jumping, spinning, tumbling and other difficult movements. When installing the pulley bracket on the skateboard, a nut tightening device is required. When the nut is tightened, the tightening motor is in the locking position, and the heat dissipation is large. The existing equipment has poor heat dissipation effect, which affects the performance. At the same time, after the locking is completed, the locking sleeve and the nut are easily stuck, which is extremely inconvenient to disassemble. Therefore, those skilled in the art provide a skateboard pulley bracket bolt automatic tightening device to solve the problems raised in the above background technology. Summary of the invention

[0003] The object of the present invention is to provide a skateboard pulley bracket bolt automatic tightening device to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] The automatic fastening device for bolts of a skateboard pulley bracket comprises a support frame plate and an electric control box, wherein support legs are fixedly connected at the four corners below the support frame plate, the electric control box is fixedly connected to one side of the support leg, a reduction box is arranged in the middle part above the support frame plate, and a heat dissipation device embedded in the support frame plate is arranged on one side of the reduction box, the heat dissipation device comprises a heat dissipation box, a motor support arranged on four inner walls of the heat dissipation box, a heat dissipation motor arranged between the motor supports, a blade arranged on an output shaft of the heat dissipation motor, and a protective cover arranged above and below the heat dissipation box, the protective cover is connected to the heat dissipation box by screws, the protective cover is a hollow mesh structure, the heat dissipation box and the heat dissipation motor are connected by the motor support, the heat dissipation motor and the blade are connected by a key, when this device is working, the blade can be driven to rotate by the heat dissipation motor to dissipate the heat of the work of the fastening motor, which can solve the problem that the fastening motor is stuck in the locking position when the screw is locked, and the heat dissipation is not timely, and a stable working environment can be provided for the work of the fastening motor to ensure that the fastening motor can work continuously.

[0006] As a further solution of the present invention: a fixing plate is welded at the bottom of the two opposite side walls of the reduction gearbox, and the fixing plate and the support frame plate are installed and fixed by the bolt assembly. The bolt assembly includes a mounting bolt and a mounting nut, and the bolt assembly can realize the installation and fixation of the reduction gearbox.

[0007] As a further solution of the present invention: a fastening motor is arranged on one side of the input shaft of the reduction gearbox, the fastening motor is connected to the input shaft of the reduction gearbox via a key, a chuck is interference-connected on the output shaft of the reduction gearbox, a locking sleeve is arranged on the chuck, and the locking sleeve is connected to the output shaft of the reduction gearbox via the chuck.

[0008] As a further solution of the present invention: two slide rails are arranged above the support frame plate on the other side of the reduction box, and a sliding seat is slidably connected above the slide rails. The sliding seat is a U-shaped structure, which can ensure the flexible movement of the sliding seat along the slide rails.

[0009] As a further solution of the present invention: the sliding seat and the edge of the support frame plate on one side of the sliding seat are fixedly connected with support blocks, a telescopic cylinder is arranged between the support blocks, the telescopic cylinder is connected to the support blocks by screws, and the telescopic cylinder can provide power for the reciprocating motion of the sliding seat.

[0010] As a further solution of the present invention: a control switch is arranged on one side of the slide rail, the control switch is connected to the support frame plate by screws, guide grooves are opened on both sides above the sliding seat, a slide plate is slidably connected inside the guide groove, and the guide groove provides guidance for the lifting and lowering movement of the slide plate.

[0011] As a further solution of the present invention: a support plate arranged through the top of the sliding seat is fixedly connected above the sliding plate, and a clamping groove is opened on the support plate, and the clamping groove can clamp the pulley bracket rod, thereby ensuring that after the pulley is tightened, the installed pulley bracket and the locking sleeve are driven by the telescopic cylinder to be quickly separated, so as to facilitate the rapid disassembly of the tightened pulley bracket, improve the unloading efficiency of the pulley frame assembly, and thus improve the overall work efficiency.

[0012] As a further solution of the present invention: elastic support components are fixedly connected between the two sides below the skateboard and the bottom of the guide groove, and the elastic support components include a guide cylinder, a guide hole opened at the bottom of the guide cylinder, a guide block arranged inside the guide hole, a guide rod arranged at the bottom of the guide block, and a spring arranged above the guide block and between the guide hole. The elastic support component can provide an elastic upward supporting force for the skateboard and the support plate, thereby ensuring that the slot can clamp the pulley bracket rod.

[0013] As a further solution of the present invention: the spring is connected to the guide hole and the guide block by a clamping method, the guide block is slidably connected to the guide hole, the guide block is a cylindrical structure, and the guide block is connected to the guide rod by a screw. By providing an elastic support assembly composed of a spring, a guide cylinder, a guide block and a guide rod, an upward supporting force can be provided for the support plate, so that the pulley frame rod can be firmly clamped in the clamping groove, and after the fastening motor stops working, the pulley support rod and the locking sleeve can be elastically separated by the elastic force of the spring to avoid the locking sleeve and the pulley support rod from being stuck, and the use effect is excellent.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. When the present invention is working, the heat dissipation motor can drive the blades to rotate to dissipate the heat of the fastening motor, which can solve the problem that the fastening motor is stuck in the locking position and heats up quickly when the screw is locked, resulting in untimely heat dissipation. A stable working environment can be provided for the fastening motor to ensure that the fastening motor can work continuously;

[0016] 2. The present invention uses a telescopic cylinder to drive the installed pulley bracket and the locking sleeve to quickly separate, so that the fastened pulley bracket can be quickly disassembled, thereby improving the unloading efficiency of the pulley bracket assembly and thus improving the overall work efficiency;

[0017] 3. The present invention provides an upward supporting force for the support plate by providing an elastic supporting assembly composed of a spring, a guide cylinder, a guide block and a guide rod, so that the pulley bracket rod can be firmly clamped in the clamping groove. After the fastening motor stops working, the pulley bracket rod and the locking sleeve can be elastically separated by the elastic force of the spring to avoid the locking sleeve and the pulley bracket rod from being stuck, and the use effect is excellent. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a right sectional view of the sliding seat in the present invention;

[0020] Figure 3 is a cross-sectional view of the elastic support assembly of the present invention;

[0021] Figure 4 For the present invention Figure 1 A partial enlarged view of the middle A;

[0022] Figure 5 It is a cross-sectional view of the heat dissipation device in the present invention.

[0023] In the figure: 1. support frame; 2. support leg; 3. electric control box; 4. heat dissipation device; 401. heat dissipation box; 402. motor support; 403. heat dissipation motor; 404. blade; 405. protective cover; 5. reduction box; 6. fixing plate; 7. bolt assembly; 8. fastening motor; 9. chuck; 10. locking sleeve; 11. slide rail; 12. sliding seat; 13. support block; 14. telescopic cylinder; 15. support plate; 16. slot; 17. slide plate; 18. guide groove; 19. elastic support assembly; 1901. guide cylinder; 1902. guide hole; 1903. guide block; 1904. guide rod; 1905. spring; 20. control switch. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figures 1 to 5 In the embodiment of the present invention, the automatic bolt tightening device for the skateboard pulley bracket includes a support frame plate 1 and an electric control box 3. The four corners below the support frame plate 1 are fixedly connected with support legs 2, and one side of the support leg 2 is fixedly connected with the electric control box 3. A reduction box 5 is arranged in the middle of the upper part of the support frame plate 1, and one side of the reduction box 5 is provided with a heat dissipation device 4 embedded in the support frame plate 1. The heat dissipation device 4 includes a heat dissipation box 401, motor supports 402 arranged on the four inner walls of the heat dissipation box 401, a heat dissipation motor 403 arranged between the motor supports 402, a blade 404 arranged on the output shaft of the heat dissipation motor 403, and a blade 404 arranged above and below the heat dissipation box 401. The protective cover 405 is square, and the protective cover 405 is connected to the heat dissipation box 401 by screws. The protective cover 405 is a hollow mesh structure. The heat dissipation box 401 is connected to the heat dissipation motor 403 by a motor support 402, and the heat dissipation motor 403 is connected to the blade 404 by a key. When this device is working, the heat dissipation motor 403 can drive the blade 404 to rotate to dissipate the heat of the fastening motor 8. This can solve the problem that the fastening motor 8 is stuck in the locking position when the screw is locked, and the heat is heated quickly, resulting in untimely heat dissipation. It can provide a stable working environment for the fastening motor 8 to ensure that the fastening motor 8 can work continuously.

[0026] Among them, a fixing plate 6 is welded to the bottom of the opposite side walls of the reduction box 5, and the fixing plate 6 and the support frame plate 1 are installed and fixed by a bolt assembly 7. The bolt assembly 7 includes a mounting bolt and a mounting nut. The bolt assembly 7 can realize the installation and fixation of the reduction box 5. A fastening motor 8 is arranged on one side of the input shaft of the reduction box 5. The fastening motor 8 is connected to the input shaft of the reduction box 5 by a key. A chuck 9 is interference-connected on the output shaft of the reduction box 5, and a locking sleeve 10 is arranged on the chuck 9. The locking sleeve 10 is connected to the output shaft of the reduction box 5 through the chuck 9. Two slide rails 11 are arranged above the support frame plate 1 on the other side of the reduction box 5, and a sliding seat 12 is slidably connected above the slide rail 11. The sliding seat 12 is a U-shaped structure, which can ensure the flexible movement of the sliding seat 12 along the slide rail 11.

[0027] The sliding seat 12 and the edge of the support frame plate 1 on one side of the sliding seat 12 are fixedly connected with a support block 13, a telescopic cylinder 14 is arranged between the support blocks 13, the telescopic cylinder 14 is connected to the support block 13 by screws, and the telescopic cylinder 14 can provide power for the reciprocating motion of the sliding seat 12, a control switch 20 is arranged on one side of the slide rail 11, and the control switch 20 is connected to the support frame plate 1 by screws, and guide grooves 18 are opened on both sides above the sliding seat 12, and a slide plate 17 is slidably connected inside the guide groove 18 The guide groove 18 provides guidance for the lifting movement of the slide plate 17. A support plate 15 that passes through the top of the sliding seat 12 is fixedly connected to the top of the slide plate 17. A clamping groove 16 is provided on the support plate 15. The clamping groove 16 can clamp the pulley bracket rod, thereby ensuring that after the pulley is tightened, the installed pulley bracket and the locking sleeve 10 are quickly separated by the telescopic cylinder 14, which is convenient for quickly disassembling the tightened pulley bracket, improving the unloading efficiency of the pulley frame assembly, and thus improving the overall work efficiency.

[0028] Elastic support components 19 are fixedly connected between the two sides below the slide plate 17 and the bottom of the guide groove 18. The elastic support component 19 includes a guide cylinder 1901, a guide hole 1902 opened at the bottom of the guide cylinder 1901, a guide block 1903 arranged inside the guide hole 1902, a guide rod 1904 arranged at the bottom of the guide block 1903, and a spring 1905 arranged above the guide block 1903 and between the guide hole 1902. The elastic support component 19 can provide an elastic upward supporting force for the slide plate 17 and the support plate 15, thereby ensuring that the slot 16 can clamp the pulley bracket rod. The spring 1905, the guide hole 1902 and the guide block 1903 are all The guide block 1903 is connected by a clamping method, and is slidably connected to the guide hole 1902. The guide block 1903 is a cylindrical structure. The guide block 1903 is connected to the guide rod 1904 by screws. An elastic support assembly 19 composed of a spring 1905, a guide cylinder 1901, a guide block 1903 and a guide rod 1904 can provide an upward supporting force for the support plate 15, so that the pulley frame rod can be firmly clamped in the clamping groove 16. After the fastening motor 8 stops working, the pulley support rod and the locking sleeve 10 can be elastically separated by the elastic force of the spring 1905 to avoid the locking sleeve 10 and the pulley support rod from being stuck, and the use effect is excellent.

[0029] The working principle of the present invention is as follows: when using the fastening device, first connect the external power supply to the electric control box 3, then place the pulley bracket rod to be installed on the support plate 15, then press the support plate 15 hard and slide the pulley bracket rod so that the installation nut on the pulley bracket rod is aligned with the locking sleeve 10, and the installation nut is clamped inside the locking sleeve 10, and the fastening motor 8 is started. Under the transmission of the reduction box 5, the locking sleeve 10 is driven to rotate, and the bolts and nuts on the pulley bracket rod are quickly and automatically tightened. The elastic support assembly 19 composed of the spring 1905, the guide cylinder 1901, the guide block 1903 and the guide rod 1904 can provide an upward supporting force for the support plate 15, so that the pulley bracket rod can be firmly clamped in the slot 16, and the pulley bracket rod and the locking sleeve 1 can be clamped together by the elastic force of the spring 1905 after the fastening motor 8 stops working. After the locking is completed, the sliding seat 12 can be driven to move to the side away from the locking sleeve 10 by the telescopic cylinder 14, and the clamping groove 16 can clamp the pulley bracket rod, thereby ensuring that after the pulley is tightened, the installed pulley bracket and the locking sleeve 10 can be quickly separated by the telescopic cylinder 14, which is convenient for quickly disassembling the tightened pulley bracket, improving the unloading efficiency of the pulley frame assembly, and thus improving the overall working efficiency. When this device is working, the heat dissipation motor 403 drives the blade 404 to rotate to dissipate the heat of the tightening motor 8, which can solve the problem that the tightening motor 8 is stuck in the locking position when the locking screw is tightened, and the heat dissipation is not timely, and a stable working environment can be provided for the work of the tightening motor 8, ensuring that the tightening motor 8 can work continuously.

[0030] 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 according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A skateboard pulley bracket bolt automatic tightening device, comprising a support frame plate (1) and an electric control box (3), characterized in that: The four corners below the support frame plate (1) are fixedly connected to support legs (2), one side of the support leg (2) is fixedly connected to the electric control box (3), a reduction box (5) is arranged in the middle of the upper part of the support frame plate (1), and one side of the reduction box (5) is provided with a heat dissipation device (4) embedded in the support frame plate (1), the heat dissipation device (4) comprising a heat dissipation box (401), motor supports (402) arranged on four inner walls of the heat dissipation box (401), and a heat dissipation device (402) arranged between the motor supports (402). A thermal motor (403), a blade (404) arranged on an output shaft of the heat dissipation motor (403), and a protective cover (405) arranged above and below the heat dissipation box (401), wherein the protective cover (405) is connected to the heat dissipation box (401) via screws, and the protective cover (405) is a hollow mesh structure; the heat dissipation box (401) is connected to the heat dissipation motor (403) via the motor support (402), and the heat dissipation motor (403) is connected to the blade (404) via a key; Two slide rails (11) are arranged above the support frame plate (1) and on the other side of the reduction box (5); a sliding seat (12) is slidably connected above the slide rails (11); and the sliding seat (12) is a U-shaped structure; The sliding seat (12) and the support frame plate (1) are both fixedly connected with a support block (13) at an edge portion of one side of the sliding seat (12); a telescopic cylinder (14) is arranged between the support blocks (13); and the telescopic cylinder (14) is connected to the support block (13) by means of screws; A control switch (20) is provided on one side of the slide rail (11), and the control switch (20) is connected to the support frame plate (1) by means of screws. Guide grooves (18) are provided on both sides above the sliding seat (12), and a slide plate (17) is slidably connected inside the guide groove (18); A support plate (15) is fixedly connected above the slide plate (17) and is arranged to pass through the top of the sliding seat (12), and a slot (16) is provided on the support plate (15); An elastic support assembly (19) is fixedly connected between the two sides below the slide plate (17) and the bottom of the guide groove (18), and the elastic support assembly (19) comprises a guide cylinder (1901), a guide hole (1902) provided at the bottom of the guide cylinder (1901), a guide block (1903) arranged inside the guide hole (1902), a guide rod (1904) arranged at the bottom of the guide block (1903), and a spring (1905) arranged above the guide block (1903) and between the guide hole (1902); A fastening motor (8) is provided on one side of the input shaft of the reduction box (5), the fastening motor (8) is connected to the input shaft of the reduction box (5) via a key, a chuck (9) is interference-connected on the output shaft of the reduction box (5), a locking sleeve (10) is provided on the chuck (9), and the locking sleeve (10) is connected to the output shaft of the reduction box (5) via the chuck (9).

2. The automatic bolt tightening device for skateboard pulley bracket according to claim 1, characterized in that: A fixing plate (6) is welded to the bottom of two opposite side walls of the reduction box (5); the fixing plate (6) and the support frame plate (1) are mounted and fixed via a bolt assembly (7); the bolt assembly (7) comprises a mounting bolt and a mounting nut.

3. The automatic bolt tightening device for skateboard pulley bracket according to claim 1, characterized in that: The spring (1905) is connected to the guide hole (1902) and the guide block (1903) by means of clamping, the guide block (1903) is slidably connected to the guide hole (1902), the guide block (1903) is a cylindrical structure, and the guide block (1903) is connected to the guide rod (1904) by means of screws.

Citation Information

Patent Citations

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  • Cooling device for intelligent mechanical lathe machining

    WO2021179364A1