A novel separable leg-locking positioning auxiliary device

By designing a new type of separate lock foot positioning auxiliary device, the combination of control components, positioning components and support components is used to solve the problem that traditional devices cannot adjust the angle, and the stable fixation and safety improvement of the steel frame is achieved.

CN117506280BActive Publication Date: 2025-05-275TH ENGINEERING LTD OF THE FIRST HIGHWAY ENGINEERING BUREAU CCCC +1
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Patent Information

Application Number
CN202311445272.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-11-01
Publication Date
2025-05-27
Estimated Expiration
2043-11-01

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    Figure CN117506280B_ABST
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Abstract

The present invention relates to the technical field of the use of steel frames, and specifically relates to a novel separable locking foot positioning auxiliary device, including: a base; a fixing mechanism, the fixing mechanism is arranged outside the base; a connecting mechanism, the connecting mechanism is arranged between the fixing mechanism and the base; wherein, the connecting mechanism includes: a control component, the control component is connected to the base and is connected to the fixing mechanism; a positioning component, the positioning component is arranged inside the base and is connected to the control component; a supporting component, the supporting component is arranged between the base and the fixing mechanism. By setting the connecting mechanism and cooperating with the fixing mechanism, people can better install and place the whole device at the corresponding working location according to the actual working conditions, and can ensure the stability of the whole device. It can also better complete the connection operation with the locking foot slide bar. The overall operation is simple, the practicability is strong, and the overall safety is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of the use of steel frames, and specifically to a new type of separable locking foot positioning auxiliary device. Background Technique

[0002] A steel section steel frame refers to a steel frame formed by welding steel sections. It is the main auxiliary processing device during the processing of underground tracks. A steel section is a bar-shaped steel with a certain cross-sectional shape and size, and it is one of the four major types of steel (plate, pipe, section, wire). During the processing using the steel section steel frame, a corresponding locking foot positioning device is often used to fix the lower side of the steel section steel frame. The traditional locking foot positioning device has a simple structure and mainly consists of two fixing plates fixedly connected together and a locking foot sliding rod. By using the clamping and restricting effects of the fixing plate and the locking foot sliding rod, the clamping and fixing operation of the steel section steel frame is completed. The overall structure is simple and the manufacturing cost is low.

[0003] During the actual use process, the angles of the fixing plate and the locking foot sliding rod are fixed and cannot be adjusted according to the actual working conditions. As a result, the fixing effect on the steel section steel frame is average, and thus the fixing operation of the steel section steel frame cannot be well completed, ultimately resulting in an average overall safety effect. Therefore, in view of the above current situation, there is an urgent need to develop a new type of separable locking foot positioning auxiliary device to overcome the deficiencies in current practical applications. Summary of the Invention

[0004] The purpose of the present invention is to provide a new type of separable locking foot positioning auxiliary device to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A new type of separable locking foot positioning auxiliary device, comprising:

[0007] A base;

[0008] A fixing mechanism, which is arranged outside the base and is used to fix the locking foot sliding rod;

[0009] A connecting mechanism, which is arranged between the fixing mechanism and the base and is used to cooperate with the base to support and adjust the fixing mechanism;

[0010] Among them, the connecting mechanism includes:

[0011] A control component, which is connected to the base and is also connected to the fixing mechanism;

[0012] A positioning component, which is arranged inside the base and is connected to the control component and is used to cooperate with the control component to fix the base;

[0013] A support component, which is arranged between the base and the fixing mechanism, is used to cooperate with the base to support the fixing mechanism and adjust the support angle.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] When the device is running, the control component drives the positioning component, and the positioning component cooperates with the opposite side to fix the base. The control component can also drive the fixing mechanism, and the fixing mechanism can be used to fix the corresponding locking foot slide bar. The support component can not only cooperate with the base to support the fixing mechanism, but also adjust the angle of the fixing mechanism, thereby ensuring the stability and flexibility of the installation. In the prior art, the angle between the fixing plate and the locking foot slide bar is fixed and cannot be adjusted according to the actual working conditions, resulting in a general fixing effect on the steel frame, and thus the fixing operation of the steel frame cannot be well completed, and finally the overall safety effect is general. By setting the connecting mechanism and cooperating with the fixing mechanism, people can better install and place the whole device at the corresponding working location according to the actual working conditions, ensure the stability of the whole device, and can also better complete the connection operation with the locking foot slide bar. The overall operation is simple, the practicability is strong, and the overall safety is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a new type of separable locking foot positioning auxiliary device.

[0017] Figure 2 It is a schematic internal structure diagram of the connecting mechanism in the new type of separable locking foot positioning auxiliary device.

[0018] Figure 3 It is a schematic structural diagram of the support component in the new type of separable locking foot positioning auxiliary device.

[0019] Figure 4 It is a schematic structural diagram of the control component in the new type of separable locking foot positioning auxiliary device.

[0020] Figure 5 It is a schematic structural diagram of the fixing mechanism in the new type of separable locking foot positioning auxiliary device.

[0021] Figure 6 It is a schematic structural diagram of the clamping component in the new type of separable locking foot positioning auxiliary device.

[0022] In the figure: 1 - base, 2 - connecting mechanism, 3 - fixing mechanism, 4 - supporting component, 5 - control component, 6 - positioning component, 7 - fixing seat, 8 - threaded rod, 9 - movable plate, 10 - connecting rod, 11 - piston groove, 12 - positioning member, 13 - first piston member, 14 - support rod, 15 - elastic member, 16 - control groove, 17 - second piston, 18 - first telescopic member, 19 - support frame, 20 - piston tube, 21 - third piston member, 22 - lifting frame, 23 - mounting block, 24 - rotating rod, 25 - limiting block, 26 - limiting groove, 27 - mounting plate, 28 - driving member, 29 - first transmission member, 30 - second transmission member, 31 - control box, 32 - support seat, 33 - clamping component, 34 - lifting plate, 35 - adjusting block, 36 - adjusting rod, 37 - clamping block, 38 - guiding block, 39 - transmission rod, 40 - second telescopic member, 41 - rack. Detailed implementation manners

[0023] The technical solutions of this patent will be further described in detail below in conjunction with the specific implementation manners.

[0024] The embodiments of this patent will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain this patent and should not be construed as a limitation to this patent.

[0025] Please refer to Figure 1 and Figure 2 In an embodiment of the present invention, a new type of separable foot - locking positioning assistance device includes: a base 1; a fixing mechanism 3, which is arranged outside the base 1 and is used to fix the foot - locking slide bar; a connecting mechanism 2, which is arranged between the fixing mechanism 3 and the base 1 and is used to cooperate with the base 1 to support and adjust the fixing mechanism 3. Among them, the connecting mechanism 2 includes: a control component 5, which is connected to the base 1 and is also connected to the fixing mechanism 3; a positioning component 6, which is arranged inside the base 1 and is connected to the control component 5 and is used to cooperate with the control component 5 to fix the base 1; a supporting component 4, which is arranged between the base 1 and the fixing mechanism 3 and is used to cooperate with the base 1 to support the fixing mechanism 3 and adjust the supporting angle.

[0026] In this embodiment, when the device is running, the control component 5 drives the positioning component 6, and the positioning component 6 cooperates with the opposite side to fix the base 1. The control component 5 can also drive the fixing mechanism 3, and the fixing mechanism 3 can be used to fix the corresponding locking foot slide bar. The supporting component 4 can not only cooperate with the base 1 to support the fixing mechanism 3, but also adjust the angle of the fixing mechanism 3, thereby ensuring the stability and flexibility of the installation. Compared with the prior art, the angle between the fixing plate and the locking foot slide bar is fixed and cannot be adjusted according to the actual working conditions, resulting in a general fixing effect on the profiled steel steel frame, and thus the fixing operation of the profiled steel steel frame cannot be well completed, and finally the overall safety effect is general. By setting the connecting mechanism 2 and cooperating with the fixing mechanism 3, people can better install and place the whole device at the corresponding working location according to the actual working conditions, ensure the stability of the whole device, and can better complete the connection operation with the locking foot slide bar. The overall operation is simple, the practicability is strong, and the overall safety is improved.

[0027] In one embodiment of the present invention, please refer to Figure 2 and Figure 4 , the control component 5 includes: a control box 31, the control box 31 is arranged outside the base 1 and is fixedly connected to the base 1; a driving member 28, the driving member 28 is fixedly connected and arranged inside the control box 31; a driving rod, the driving rod is connected to the output end of the driving member 28, is connected to the positioning component 6 through a first transmission member 29, and is connected to the fixing mechanism 3 through a second transmission member 30, and is used to cooperate with the driving member 28 to realize the synchronous driving of the positioning component 6 and the fixing mechanism 3.

[0028] In this embodiment, the driving member 28 is fixedly connected and arranged at the bottom inside the control box 31, the driving member 28 is a driving motor, the output end of the driving member 28 is fixedly connected to the driving rod. Among them, the first transmission member 29 includes a pair of first belt wheels and a first belt, the first belt wheels are fixedly connected to the driving rod and are also fixedly connected to the threaded rod 8 inside the positioning component 6, the first belt is sleeved outside the two first belt wheels, the second transmission member 30 includes several second belt wheels and a second belt, the second belt wheels are fixedly connected to the driving rod and are also fixedly connected to the adjusting rod 36 inside the fixing mechanism 3, the second belt is sleeved outside the second belt wheels. By setting the control component 5, the driving member 28 drives the driving rod to rotate, the driving rod drives the positioning component 6 through the first transmission member 29, and the driving rod drives the fixing mechanism 3 through the second transmission member 30, which not only ensures the stability of the device during use, but also can stably fix the slide bar and ensure the stability of the installation.

[0029] In one embodiment of the present invention, please refer to Figure 3, the support assembly 4 includes: a support frame 19 symmetrically arranged outside the base 1 and fixedly connected to the base 1; a lifting frame 22 slidably connected to the support frame 19; a mounting block 23 arranged inside the lifting frame 22 and rotatably connected to the lifting frame 22 through a rotating rod 24; a mounting plate 27 arranged between the mounting block 23 and the fixing mechanism 3, bolted to one side of the mounting block 23 and connected to the other side of the mounting block 23 through a limiting member; a control groove 16 arranged inside the base 1; a second piston 17 slidably arranged inside the control groove 16 and connected to the base 1 through a first telescopic member 18; piston tubes 20 symmetrically arranged inside the two support frames 19, fixedly connected to the base 1 and connected to the control groove 16; a third piston member 21 slidably connected to the piston tubes 20 and connected to the lifting frame 22, for driving the lifting of the two lifting frames 22 in cooperation with the movement of the second piston 17 to adjust the angle of the fixing mechanism 3.

[0030] In this embodiment, the control groove 16 is arranged inside the top end of the base 1. A second piston 17 is slidably connected inside the control groove 16. A first telescopic member 18 is fixedly connected between the second piston 17 and the base 1. The first telescopic member 18 is an electric telescopic rod. Among them, both ends of the control groove 16 are respectively connected to piston pipes 20 fixedly connected to the base 1. Support frames 19 fixedly connected to the base 1 are arranged on the outer sides of both piston pipes 20. A lifting frame 22 is slidably connected inside the support frames 19. The third piston member 21 includes a third piston slidably connected inside the piston pipe 20. A third push rod is fixedly connected to the outer side of the third piston. The other end of the third push rod is fixedly connected to the lifting frame 22. Rotating rods 24 are rotatably connected inside the top ends of both lifting frames 22. Mounting blocks 23 are fixedly connected to the outer sides of the rotating rods 24. The limiting member includes a limiting block 25 fixedly connected to one of the mounting blocks 23. The limiting block 25 is slidably connected to a limiting groove 26 arranged on the wall of the mounting plate 27. The other mounting block 23 is connected to the mounting plate 27 through bolts. The first telescopic member 18 drives the second piston 17 to move inside the control groove 16. As the second piston 17 moves, it can drive the air at both ends of the control groove 16 to flow, thereby respectively driving the third pistons inside both piston pipes 20 to move up and down. And the moving directions of the third pistons on both sides are opposite. The third piston drives the lifting frame 22 to move through the third push rod. One end of the mounting plate 27 moves together with the lifting frame 22, and the other end slides along the limiting block 25. A height difference is formed between both lifting frames 22, thereby realizing the inclination of the mounting plate 27. And as the position of the third piston changes, the inclination angle of the mounting plate 27 can be adjusted, enabling people to perform corresponding adjustment operations according to the actual working conditions, ensuring the fixing effect of the device on the profiled steel frame, and thus well completing the fixing operation of the profiled steel frame. The mounting plate 27 and the mounting block 23 can be flexibly disassembled and assembled, facilitating people to maintain the device, greatly improving the convenience of the device during use. The overall operation is simple, the practicability is strong, and the overall safety is improved.

[0031] In one embodiment of the present invention, the positioning assembly 6 includes: a fixed seat 7, the fixed seat 7 is symmetrically arranged inside the base 1 and is fixedly connected to the base 1; a piston groove 11, the piston groove 11 is arranged inside the fixed seat 7, and a positioning member 12 is slidably connected to the inner side of one end; a first piston member 13, the first piston member 13 is slidably connected to the inner side of the other end of the piston groove 11; a transmission assembly, the transmission assembly is arranged between both fixed seats 7, is connected to the control assembly 5, and is connected to the first piston member 13, and is used to cooperate with the control assembly 5 to drive the first piston member 13 to realize the lifting of the positioning member 12.

[0032] In this embodiment, the fixed seats 7 are fixedly connected to both ends inside the base 1. A plurality of piston grooves 11 are provided inside both the fixed seats 7 on both sides. A first piston member 13 is slidably connected to the inner side of one end of the piston groove 11 close to the transmission assembly, and a positioning member 12 is slidably connected to the inner side of the other end of the piston groove 11. The piston groove 11 has an L-shaped structure. The first piston member 13 includes a first piston slidably connected to the inner side of the piston groove 11. A first push rod is fixedly connected to the outer side of the first piston, and the other end of the first push rod is connected to the transmission assembly. The positioning member 12 includes a fourth piston slidably connected to the inner side of the other end of the piston groove 11. A positioning rod is fixedly connected to the outer side of the fourth piston. By providing the positioning assembly 6, during the operation of the control assembly 5, the first piston can be driven to move inside the piston groove 11 through the transmission assembly, and then the fourth piston is driven to move. The fourth piston drives the positioning rod to insert into the opposite side, thereby completing the fixation of the base 1 and ensuring the overall stability of the device.

[0033] In one embodiment of the present invention, the transmission assembly includes: a threaded rod 8, which is arranged between the fixed seats 7 on both sides, is rotatably connected to the base 1, and is connected to the first transmission member 29; a movable plate 9, which is slidably connected to the base 1 and is threadedly connected to the threaded rod 8; a support rod 14, which is slidably connected to the first piston member 13, one end is connected to the first piston member 13 through an elastic member 15, and the other end is connected to the movable plate 9 through a connecting rod 10, and is used to cooperate with the lifting of the movable plate 9 to realize the movement of the first piston member 13.

[0034] In this embodiment, both ends of the movable plate 9 are slidably connected to the inner walls of both ends of the base 1. One end of the connecting rod 10 is rotatably connected to the movable plate 9, and the other end is rotatably connected to the support rod 14. The support rod 14 is slidably connected to the inside of the first push rod. A spring 15 is fixedly connected between the first push rod and the support rod 14. By providing the transmission assembly, the control assembly 5 drives the threaded rod 8 to rotate. The threaded rod 8 drives the movable plate 9 to lift along the inner wall of the base 1. The movable plate 9 cooperates with the support rod 14 through the connecting rod 10 to realize the movement of the first piston member 13, and then completes the drive of the positioning member 12, which is beneficial to ensuring the overall stability of the device.

[0035] In one embodiment of the present invention, please refer to Figure 1 and Figure 5, the fixing mechanism 3 includes: a support base 32, which is connected to the support assembly 4 and is used to support the slide bar; a clamping assembly 33, which is connected to the support base 32 and is also connected to the control assembly 5, and is used to cooperate with the control assembly 5 to clamp and fix the slide bar.

[0036] In this embodiment, the support base 32 is fixedly connected to the outer side of the top end of the mounting plate 27. A clamping assembly 33 is arranged on the support base 32. The clamping assembly 33 is connected to the control assembly 5. The corresponding locking foot slide bar is inserted between the clamping assembly 33 and the support base 32. The control assembly 5 drives the clamping assembly 33, and the clamping assembly 33 cooperates with the support base 32 to clamp and fix the slide bar, so that the connection operation with the locking foot slide bar can be better completed.

[0037] In an embodiment of the present invention, please refer to Figure 6 , the clamping assembly 33 includes: a lifting plate 34, which is slidably connected to the support base 32; an adjusting block 35, which is fixedly connected to the lifting plate 34 and is slidably connected to the support base 32; an adjusting rod 36, which is rotatably connected to the support assembly 4, is connected to the control assembly 5, and is threadedly connected to the adjusting block 35, and is used to cooperate with the control assembly 5 to lift the lifting plate 34; clamping blocks 37, which are symmetrically arranged inside the lifting plate 34, and one side of the clamping block 37 is connected to the lifting plate 34 through a second telescopic member 40, and is used to cooperate with the movement of the lifting plate 34 to clamp and fix the slide bar located inside the support base 32; a transmission rod 39, which is arranged between the two clamping blocks 37, is rotatably connected to the lifting plate 34, and is fixedly connected with a transmission gear on the outside; a rack 41, which is arranged on both sides of the transmission rod 39, is meshed with the transmission gear, and is respectively connected to the two clamping blocks 37.

[0038] In this embodiment, the lifting plate 34 is slidably connected and arranged inside the support base 32. An adjusting block 35 that is slidably connected to the support base 32 is fixedly connected to the outside of the lifting plate 34. The adjusting block 35 is threadedly connected to an adjusting rod 36 that is rotatably connected to the mounting plate 27. Clamping blocks 37 are symmetrically arranged inside the lifting plate 34. A guiding block 38 is fixedly connected to the outside of the clamping block 37. The guiding block 38 is slidably connected to a guiding groove arranged on the inner wall of the lifting plate 34. Among them, a second telescopic member 40 is fixedly connected between one clamping block 37 and the inner wall of the lifting plate 34. The second telescopic member 40 is an electric telescopic rod. Additionally, rack bars 41 are fixedly connected to the outer sides of the opposite ends of the two clamping blocks 37. A transmission rod 39 that is rotatably connected to the lifting plate 34 is arranged between the two rack bars 41. A transmission gear that is meshed with the rack bar 41 is fixedly connected to the outside of the transmission rod 39. The second telescopic member 40 drives one clamping block 37 to move. Cooperating with the rack bar 41 and the transmission gear arranged on the transmission rod 39, it can drive the other clamping block 37 to move in the opposite direction, adjusting the distance between the two clamping blocks 37, so that the device can fix various types of locking foot slide bars. The control component 5 drives the adjusting rod 36 to rotate. The adjusting rod 36 cooperates with the adjusting block 35 to realize the lifting of the lifting plate 34, clamping and fixing the locking foot slide bar located inside the support base 32.

[0039] For this new type of split locking foot positioning auxiliary device, by setting the connecting mechanism 2 and cooperating with the fixing mechanism 3, people can, according to the actual working conditions, better install and place the whole device at the corresponding working location, and can ensure the overall stability of the device. It can also better complete the connection operation with the locking foot slide bar. The overall operation is simple, the practicability is strong, and the overall safety is improved. By setting the control component 5, the driving member 28 drives the driving rod to rotate. The driving rod drives the positioning component 6 through the first transmission member 29, and the driving rod drives the fixing mechanism 3 through the second transmission member 30. This not only ensures the stability of the device during use, but also can stably fix the slide bar, guaranteeing the stability of the installation. By setting the support component 4, the inclination angle of the mounting plate 27 can be adjusted, enabling people to make corresponding adjustment operations according to the actual working conditions, ensuring the fixing effect of the device on the steel section frame, and thus well completing the fixing operation of the steel section frame. The mounting plate 27 and the mounting block 23 can be flexibly disassembled and assembled, facilitating people to maintain the device, greatly improving the convenience of the device during use. The overall operation is simple, the practicability is strong, and the overall safety is improved. By setting the positioning component 6, during the operation of the control component 5, the first piston can be driven to move inside the piston groove 11 through the transmission component, and then the fourth piston is driven to move. The fourth piston drives the positioning rod to insert into the opposite side, thereby completing the fixing of the base 1 and ensuring the overall stability of the device.

[0040] The above are only the preferred embodiments of the present invention. It should be noted that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicality of the patent.

Claims

1. A novel separable locking foot positioning auxiliary device, characterized in that, it includes: a base; a fixing mechanism, which is arranged outside the base and is used to fix the locking foot slide bar; a connecting mechanism, which is arranged between the fixing mechanism and the base and is used to cooperate with the base to support and adjust the fixing mechanism; wherein, the connecting mechanism includes: a control component, which is connected to the base and is also connected to the fixing mechanism; a positioning component, which is arranged inside the base and is connected to the control component, and is used to cooperate with the control component to fix the base; a supporting component, which is arranged between the base and the fixing mechanism and is used to cooperate with the base to support the fixing mechanism and adjust the supporting angle; the control component includes: a control box, which is arranged outside the base and is fixedly connected to the base; a driving part, which is fixedly connected and arranged inside the control box; a driving rod, which is connected to the output end of the driving part, is connected to the positioning component through a first transmission part, and is connected to the fixing mechanism through a second transmission part, and is used to cooperate with the driving part to synchronously drive the positioning component and the fixing mechanism; the supporting component includes: a supporting frame, which is symmetrically arranged outside the base and is fixedly connected to the base; a lifting frame, which is slidably connected to the supporting frame; a mounting block, which is arranged inside the lifting frame and is rotatably connected to the lifting frame through a rotating rod; a mounting plate, which is arranged between the mounting block and the fixing mechanism, is connected to one side of the mounting block through a bolt, and is connected to the other side of the mounting block through a limiting part; a control groove, which is arranged inside the base; a second piston, which is slidably connected and arranged inside the control groove and is connected to the base through a first telescopic part; a piston tube, which is symmetrically arranged inside the two supporting frames, is fixedly connected to the base and is connected to the control groove; a third piston part, which is slidably connected to the piston tube and is connected to the lifting frame, and is used to cooperate with the movement of the second piston to drive the two lifting frames to lift and realize the adjustment of the angle of the fixing mechanism; the positioning component includes: a fixed seat, which is symmetrically arranged inside the base and is fixedly connected to the base; a piston groove, which is arranged inside the fixed seat, and a positioning part is slidably connected to the inner side of one end; a first piston part, which is slidably connected to the inner side of the other end of the piston groove; a transmission component, which is arranged between the two fixed seats, is connected to the control component and is also connected to the first piston part, and is used to cooperate with the control component to drive the first piston part to realize the lifting of the positioning part.

2. The novel separable locking foot positioning auxiliary device according to claim 1, characterized in that, the transmission component includes: a threaded rod, which is arranged between the two fixed seats, is rotatably connected to the base and is connected to the first transmission part; The movable plate is slidably connected to the base and is threadedly connected to the threaded rod; The support rod is slidably connected to the first piston member, one end is connected to the first piston member through an elastic member, and the other end is connected to the movable plate through a connecting rod, and is used to cooperate with the lifting of the movable plate to realize the movement of the first piston member.

3. The novel separable locking foot positioning auxiliary device according to claim 1, characterized in that the fixing mechanism includes: The support base is connected to the support assembly and is used to support the sliding rod; The clamping assembly is connected to the support base and is also connected to the control assembly, and is used to cooperate with the control assembly to clamp and fix the sliding rod.

4. The novel separable locking foot positioning auxiliary device according to claim 3, characterized in that the clamping assembly includes: The lifting plate is slidably connected to the support base; The adjusting block is fixedly connected to the lifting plate and is slidably connected to the support base; The adjusting rod is rotatably connected to the support assembly, is connected to the control assembly, and is threadedly connected to the adjusting block, and is used to cooperate with the control assembly to lift the lifting plate; The clamping blocks are symmetrically arranged inside the lifting plate, and one of the clamping blocks is connected to the lifting plate through a second telescopic member, and is used to cooperate with the movement of the lifting plate to clamp and fix the sliding rod located inside the support base; The transmission rod is arranged between the two clamping blocks, is rotatably connected to the lifting plate, and is fixedly connected with a transmission gear on the outside; The racks are arranged on both sides of the transmission rod, are meshed with the transmission gear, and are respectively connected to the two clamping blocks.

Citation Information

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