Fastening anti-falling device

Abstract

The invention provides a fastening anti-falling device which comprises a clamp component, a handle arm, a first clamping component, a second clamping component and a force applying component, the handle arm is connected with the clamp component, the first clamping component is arranged on the clamp component, the second clamping component is partially arranged in the handle arm, and the force applying component is arranged on the handle arm. Part of the first through hole can penetrate through the connecting position of the clamp component and the handle arm, and the force applying component is arranged on the handle arm and connected with the second clamping component to adjust the length of the second clamping component extending out of the first through hole. The first clamping part is inserted into a disassembly and assembly hole of a packing gland of the water injection pump, force is applied to the force application part, the second clamping part can be inserted into the disassembly and assembly hole of the packing gland, the first clamping part and the second clamping part can act at the same time, and therefore the handle arm cannot be disengaged in the process of rotating the packing gland; the operation difficulty of staff is reduced, the safety risk is reduced, the potential safety hazard is eliminated, mechanical injury accidents are avoided, and the practicability is very high.

Description

Technical Field

[0001] The invention relates to the field of oilfield mechanical equipment repair and maintenance, and in particular to a fastening and anti-slipping device. Background Art

[0002] During the operation of the oilfield water injection pump, it is necessary to adjust the tightness of the packing gland of the hydraulic end of the water injection pump and replace the packing. In particular, the sewage separated from the re-injection of crude oil aggravates the corrosion of the plunger, packing, packing gland and other parts, resulting in a high frequency of maintenance of the hydraulic end of the water injection pump. After the surface of the packing gland is corroded, the fastening circular holes on the gland form irregular circular holes. When tightening the packing gland, the wrench is easy to come out and injure the operator. The difficulty of disassembling and assembling the packing gland of the water injection pump increases, which increases the labor intensity of employees. Summary of the invention

[0003] The invention provides a fastening and anti-slipping device, which can conveniently and quickly fasten, disassemble and adjust the packing gland of a water injection pump.

[0004] In view of this, the present invention proposes a fastening and anti-slip device, comprising: a clamp component; a handle arm, which is hollow inside and connected to the clamp component, and a first through hole is arranged at the position where the clamp component and the handle arm are connected; a first clamping component, which is arranged on the clamp component; a second clamping component, which is partially arranged inside the handle arm and partially capable of passing through the first through hole at the position where the clamp component and the handle arm are connected; a force-applying component, which is arranged on the handle arm and connected to the second clamping component, and adjusts the length of the second clamping component extending out of the first through hole.

[0005] In some optional embodiments, the clamp component is arc-shaped, and the center angle of the clamp component is 90° to 150°.

[0006] In some optional embodiments, in the extension direction of the arc of the clamp component, the first clamping component is arranged at one end of the clamp component, and the handle arm is connected to the other end of the clamp component.

[0007] In some optional embodiments, the clamp component is provided with a second through hole, the first clamp component is connected to the clamp component via the second through hole, and the angle between the first through hole and the second through hole is 60° to 120°.

[0008] In some optional embodiments, the clamp component is provided with reinforcing ribs, and the reinforcing ribs are welded to the second clamping component.

[0009] In some optional embodiments, the handle arm is provided with a slot, and the force-applying component passes through the slot and is connected to the second clamping component.

[0010] In some optional embodiments, the force-applying component includes a handle, a fixed sleeve and a connecting rod assembly, the fixed sleeve is disposed on the outside of the handle arm, the handle is rotatably connected to the fixed sleeve, one end of the connecting rod assembly is rotatably connected to the handle, and the other end of the connecting rod assembly passes through the slot and is connected to the second clamping component.

[0011] In some optional embodiments, the connecting rod assembly includes a limit sleeve, a rotating shaft and a connecting rod, the limit sleeve is arranged on the handle, the rotating shaft passes through the limit sleeve, one end of the connecting rod is respectively connected to the rotating shaft, and the other end of the connecting rod passes through the slot and is connected to the second clamping component.

[0012] In some optional embodiments, the second clamping component includes an insertion rod and an elastic component, the elastic component is arranged inside the handle arm near the first through hole, the insertion rod is inserted into the elastic component, and the connecting rod passes through the slot to be connected to the insertion rod.

[0013] In some optional embodiments, along the length direction of the insertion rod, the insertion rod is sequentially provided with a baffle, a connecting rod fixing platform and a baffle.

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

[0015] The present invention provides a fastening and anti-slipping device, comprising: a clamp component, a handle arm, a first clamp component, a second clamp component and a force-applying component. The handle arm is hollow inside and is connected to the clamp component. A first through hole is arranged at the position where the clamp component and the handle arm are connected. The first clamp component is arranged on the clamp component. Part of the second clamp component is arranged inside the handle arm and part of it can pass through the first through hole at the position where the clamp component and the handle arm are connected. The force-applying component is arranged on the handle arm and is connected to the second clamp component to adjust the length of the second clamp component extending out of the first through hole. When in use, the first clamping component is inserted into the disassembly and assembly hole of the packing gland of the water injection pump, and the contact area between the handle arm and the packing gland is increased by the clamp component, so that the point force of the handle arm is changed into surface force, so as to achieve uniform force distribution. When force is applied to the handle arm, force is applied to the force-applying component, so that the second clamping component can be inserted into the disassembly and assembly hole of the packing gland. The first clamping component and the second clamping component can act at the same time, so that the handle arm will not fall out during the rotation of the packing gland, which reduces the difficulty of operation for employees, reduces safety risks, eliminates safety hazards, avoids mechanical injury accidents, and is very practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1A schematic structural diagram of a fastening and anti-slipping device provided in one embodiment of the present invention;

[0018] Figure 2 A schematic cross-sectional view of a fastening and anti-slipping device provided in one embodiment of the present invention;

[0019] Figure 3 A schematic diagram of the partial structure of a fastening and anti-slipping device is provided for one embodiment of the present invention.

[0020] in, Figures 1 to 3 The corresponding relationship between the reference numerals and component names in the figure is:

[0021] 1-clamp component; 11-first through hole; 12-second through hole; 13-reinforcement rib; 2-handle arm; 21-slot; 22-pressure cap; 3-first clamping component; 4-second clamping component; 41-insertion rod; 411-blocking piece; 412-connecting rod fixing platform; 413-blocking plate; 42-elastic component; 5-force-applying component; 51-handle; 52-fixing sleeve; 53-connecting rod assembly; 533-connecting rod; 541-limiting sleeve; 542-rotating shaft. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0024] During the operation of the oilfield water injection pump, it is necessary to adjust the tightness of the packing gland of the hydraulic end of the water injection pump and replace the packing. In particular, the sewage separated from the re-injection of crude oil aggravates the corrosion of the plunger, packing, packing gland and other parts, resulting in a high frequency of maintenance of the hydraulic end of the water injection pump. After the surface of the packing gland is corroded, the fastening circular holes on the gland form irregular circular holes. When tightening the packing gland, the wrench is easy to come out and injure the operator. The difficulty of disassembling and assembling the packing gland of the water injection pump increases, which increases the labor intensity of employees.

[0025] The invention provides a fastening and anti-slipping device, which can conveniently and quickly fasten, disassemble and adjust the packing gland of a water injection pump.

[0026] The present invention provides a fastening and anti-slipping device, which includes: a clamp component 1; a handle arm 2, which is hollow inside and connected to the clamp component 1, and a first through hole 11 is arranged at the position where the clamp component 1 and the handle arm 2 are connected; a first clamping component 3, which is arranged on the clamp component 1; a second clamping component 4, which is partially arranged inside the handle arm 2 and partially can pass through the first through hole 11 at the position where the clamp component 1 and the handle arm 2 are connected; a force-applying component 5, which is arranged on the handle arm 2 and connected to the second clamping component 4, and adjusts the length of the second clamping component 4 extending out of the first through hole 11.

[0027] Specifically, the fastening and anti-slip device includes: a clamp component 1, a handle arm 2, a first clamp component 3, a second clamp component 4 and a force-applying component 5. The handle arm 2 is hollow inside, and the handle arm 2 is connected to the clamp component 1. A first through hole 11 is arranged at the position where the clamp component 1 and the handle arm 2 are connected. The first clamp component 3 is arranged on the clamp component 1, and a part of the second clamp component 4 is arranged inside the handle arm 2. A part of the second clamp component 4 can pass through the first through hole 11 at the position where the clamp component 1 and the handle arm 2 are connected. The force-applying component 5 is arranged on the handle arm 2, and the force-applying component 5 is connected to the second clamp component 4 to adjust the length of the second clamp component 4 extending out of the first through hole 11. When in use, the first clamping component 3 is inserted into the disassembly and assembly hole of the packing gland of the water injection pump, and the contact area between the handle arm 2 and the packing gland is increased by the clamping component 1, so that the point force of the handle arm 2 is changed into surface force, so as to achieve uniform force distribution. When force is applied to the handle arm 2, force is applied to the force-applying component 5, so that the second clamping component 4 can be inserted into the disassembly and assembly hole of the packing gland. The first clamping component 3 and the second clamping component 4 can act at the same time, so that the handle arm 2 will not fall out during the rotation of the packing gland, which reduces the difficulty of operation for employees, reduces safety risks, eliminates safety hazards, avoids mechanical injury accidents, and is very practical.

[0028] In some optional embodiments, the clamp component 1 is arc-shaped, and the center angle of the clamp component 1 is 90° to 150°.

[0029] Specifically, the clamp component 1 is in an arc shape, and the clamp component 1 is an arc plate with an arc of 90° to 150°. Optionally, the arc of the clamp component 1 corresponds to 100° or 145°. The width of the arc plate is 30 mm. The inner diameter of the clamp component 1 coincides with the outer diameter of the packing gland. When in use, the first clamp component 3 is inserted into the disassembly and assembly hole of the packing gland of the water injection pump, and the contact area between the handle arm 2 and the packing gland is increased by the clamp component 1, so that the point force of the handle arm 2 is changed to surface force, so as to achieve uniform force distribution.

[0030] Furthermore, in the extending direction of the arc of the clamp component 1 , the first clamping component 3 is arranged at one end of the clamp component 1 , and the handle arm 2 is connected to the other end of the clamp component 1 .

[0031] Specifically, the first clamping component 3 is cylindrical, the diameter of the first clamping component 3 is 12 mm, and the length of the first clamping component 3 is between 30 mm and 40 mm. The clamping component 1 is provided with a second through hole 12, the first clamping component 3 can penetrate the second through hole 12, the outer surface of the first clamping component 3 is provided with a thread, and the first clamping component 3 is provided with a nut, the outer diameter of the nut is greater than the diameter of the second through hole 12, so that the first clamping component 3 can be prevented from falling from the second through hole 12, and the length of the first clamping component 3 extending to the inside of the clamping component 1 can be controlled, so that the length of the first clamping component 3 can be adjusted. Optionally, the first clamping component 3 is inserted into the mounting hole of the clamping component 1, and the length of the first clamping component 3 leaking from the inside of the clamping component 1 is 20 mm. Alternatively, one end of the first clamping component 3 is welded to the clamping component 1. The total thickness of the first clamping component 3 and the clamping component 1 is controlled within 40 mm, so that it can pass through the gap between the two packing glands.

[0032] Optionally, the handle arm 2 is a metal tube with a length of 700 mm to 800 mm, one end of the handle arm 2 is welded to the outer surface of the clamp component 1, and the other end of the handle arm 2 is provided with a thread. The clamp component 1 is provided with a reinforcing rib 13, and the reinforcing rib 13 is welded to the second clamp component 4. The height of the reinforcing rib 13 is 5 to 8 mm.

[0033] In some optional embodiments, the handle arm 2 is provided with a slot 21 , and the force-applying component 5 passes through the slot 21 and is connected to the second clamping component 4 .

[0034] Specifically, the notch 21 includes a first notch and a second notch, the first notch and the second notch are disposed face to face on the handle arm 2, the first notch is communicated with the cavity of the handle arm 2, and the second notch is communicated with the cavity of the handle arm 2. The second clamping component 4 is disposed inside the handle arm 2, and the force-applying component 5 can drive the second clamping component 4 to move, thereby being able to control the second clamping component 4 to pass through the first through hole 11 at the connection position of the clamp component 1 and the handle arm 2.

[0035] In some optional embodiments, the clamp component 1 is provided with a second through hole 12, the first clamp component 3 is connected to the clamp component 1 via the second through hole 12, and the angle between the first through hole 11 and the second through hole 12 is 60° to 120°.

[0036] Specifically, the centers of the first through hole 11 and the second through hole 12 are located on the same arc of the clamp component 1. Optionally, the angle between the first through hole 11 and the second through hole 12 is 60° or 120°, and the apertures of the first through hole 11 and the second through hole 12 are 12.5.

[0037] Furthermore, when in use, the first clamping component 3 is inserted into the disassembly and assembly hole of the packing cover of the water injection pump, and the contact area between the handle arm 2 and the packing cover is increased by the clamp component 1, so that the point force of the handle arm 2 is changed into surface force, so as to achieve uniform force distribution. When force is applied to the handle arm 2, force is applied to the force-applying component 5, so that the second clamping component 4 can be inserted into the disassembly and assembly hole of the packing cover. The angle between the first through hole 11 and the second through hole 12 is 60° or 120°, so that the angle between the first clamping component 3 and the second clamping component 4 is 60° or 120°. When the first clamping component 3 and the second clamping component 4 extend into the mounting hole of the packing cover and apply force to the packing cover, the packing cover can be prevented from falling off, thereby reducing the difficulty of operation for employees, reducing safety risks, eliminating safety hazards, and avoiding mechanical injury accidents. The utility model is very practical.

[0038] In some optional embodiments, the force-applying component 5 includes a handle 51, a fixed sleeve 52 and a connecting rod assembly 53. The fixed sleeve 52 is sleeved on the outside of the handle arm 2. The handle 51 is rotatably connected to the fixed sleeve 52. One end of the connecting rod assembly 53 is rotatably connected to the handle 51, and the other end of the connecting rod assembly 53 passes through the slot 21 and is connected to the second clamping component 4.

[0039] Specifically, the fixing sleeve 52 is sleeved on the handle arm 2 through the pin 521. Through holes are set at both ends of the length direction of the fixing sleeve 52, and the fixing sleeve 52 is sleeved on the outside of the handle arm 2. The pin 521 passes through the through holes at both ends of the handle arm 2, so that the fixing sleeve 52 is sleeved on the outside of the handle arm 2.

[0040] In some optional embodiments, the connecting rod assembly 53 includes a limiting sleeve 541, a rotating shaft 542 and a connecting rod 533. The limiting sleeve 541 is arranged on the handle 51, the rotating shaft 542 passes through the limiting sleeve 541, one end of the connecting rod 533 is respectively connected to the rotating shaft 542, and the other end of the connecting rod 533 passes through the slot 21 and is connected to the second clamping component 4.

[0041] Specifically, the connecting rod assembly 53 includes a first connecting rod and a second connecting rod, one end of the first connecting rod is connected to the rotating shaft 542, the other end of the first connecting rod passes through the first slot and is connected to the second clamping component 4, one end of the second connecting rod is connected to the rotating shaft 542, the other end of the second connecting rod passes through the second slot and is connected to the second clamping component 4. When in use, a force is applied to the handle 51, the handle 51 pulls the first connecting rod and the second connecting rod, the first connecting rod and the second connecting rod drive the insertion rod 41 to move downward, the insertion rod 41 compresses the spring 9 so that the bottom of the insertion rod 41 extends out of the first through hole 11, and optionally, the distance that the insertion rod 41 extends out of the clamp component 1 is controlled to be 20 mm, and the spring 9 bounces the insertion rod 41 after the handle 51 is released.

[0042] In some optional embodiments, the second clamping component 4 includes an insertion rod 41 and an elastic component 42. The elastic component 42 is arranged inside the handle arm 2 near the first through hole 11. The insertion rod 41 is inserted into the elastic component 42, and the connecting rod 533 passes through the slot 21 to connect with the insertion rod 41.

[0043] In some optional embodiments, along the length direction of the insertion rod 41, the insertion rod 41 is sequentially provided with a blocking piece 411, a connecting rod fixing platform 412 and a blocking plate 413.

[0044] Specifically, the connecting rod fixing platform 412 is provided with a through hole, and the pin shaft passes through the through hole, the first notch and the second notch of the connecting rod fixing platform 412, and the connecting rod assembly 53 is connected to both ends of the pin shaft. The plug rod 41 is a metal rod with a diameter of 12 mm and a length greater than the total length of the force rod by 25 to 30 mm. The distance between the baffle 411 and one end of the plug rod 41 is 30 mm, and the diameter of the baffle 411 is the same as the inner diameter of the handle arm 2. The connecting rod fixing platform 412 is provided with a center hole, and the connecting rod fixing platform 412 is sleeved on the plug rod 41. The baffle 413 is close to the other end of the plug rod 41, and the distance between the baffle 413 and the other end of the plug rod 3 is 200 mm. The baffle 413 is welded to the plug rod 41.

[0045] Furthermore, one end of the handle arm 2 is fixedly connected to the clamp component 1, and the other end of the handle arm 2 is provided with a pressing cap 22, and the pressing cap 22 is provided with a through hole, and the other end of the second clamping component 4 passes through the through hole of the pressing cap 22. The elastic component 42 is arranged inside the handle arm 2, and the insertion rod 41 is arranged inside the handle arm 2. After one end of the insertion rod 41 passes through the elastic component 42, the elastic baffle 413 is pressed on the baffle 413, and the other end of the insertion rod 41 passes through the pressing cap 22, and the pressing cap 22 is tightened on the handle arm 2. Before using the fastening anti-slip device, the blocking piece 411 of the insertion rod 41 is pressed against the pressure cap 22, and the other end of the insertion rod 41 is flush with the first through hole 11 of the clamp component 1. A force is applied to the handle 51, and the handle 51 pulls the connecting rod assembly 53, and the connecting rod assembly 53 drives the insertion rod 41 to move downward. The insertion rod 41 compresses the spring 9 to make the bottom of the insertion rod 41 extend out of the clamp component 1. Optionally, the distance that the insertion rod 41 extends out of the clamp component 1 is controlled to be 20 mm. After the handle 51 is released, the spring 9 bounces the insertion rod 41 up.

[0046] The embodiment of the present disclosure provides a fastening and anti-slip device, wherein the inner diameter of the clamp component 1 is the same as the outer diameter of the packing gland, the clamp component 1 is an arc-shaped plate, and the angle between the two sides of the arc-shaped plate is 145° or 100°. The first through hole 11 and the second through hole 12 are respectively arranged at the center positions of the two ends of the clamp component 1, and the diameters of the first through hole 11 and the second through hole 12 are 12.5 mm, and the angle between the first through hole 11 and the second through hole 12 is 120° or 60°. The first clamp component 3 is inserted into the second through hole 12 of the clamp component 1, and the first clamp component 3 extends 20 mm from the inner side of the arc of the clamp component 1, and the first clamp component 3 is welded to the clamp component 1 on the outside of the clamp component 1. The handle arm 2 is a metal tube, and the handle arm 2 is welded to the outside of the other end of the clamp component 1 so that the second through hole 12 of the clamp component 1 is concentric with the handle arm 2. An arc-shaped reinforcing rib 13 is welded on the outer surface of the clamp component 1, and the reinforcing rib 13 is welded to the handle arm 2; the handle arm 2 is provided with a pressure cap 22, and a notch 21 is processed below the pressure cap 22 to penetrate the insertion rod 41, and a fixing sleeve 52 with an inner circle and an outer square is welded below the notch 21. The total length of the insertion rod 41 is greater than the handle arm 2, and a circular baffle 411 is welded at 30 mm from the top of the insertion rod 41, and a cylindrical connecting rod fixing platform 412 is welded below the baffle 411, and there is a through hole in the middle of the connecting rod fixing platform 412, and a circular spring baffle 413 is welded at the other end of the insertion rod 41 200 mm from the top. The elastic component 42 is installed inside the handle arm 2, and then the insertion rod 41 is placed in the handle arm 2, and the insertion rod 41 passes through the elastic component 42 and enters the second through hole 12 of the clamp component 1, and the baffle 413 presses on the elastic component 42. The pressure cap 22 is sleeved on the upper end of the insertion rod 41 and screwed on the threaded buckle at the top of the handle arm 2. The blocking piece 411 is blocked by the pressure cap 22 to prevent the insertion rod 41 from coming out of the handle arm 2.

[0047] The method of using the fastening and anti-slipping device is as follows: holding the handle arm 2, passing the head of the clamp component 1 through the gap between the two packing glands, inserting the first clamping component 3 into the disassembly hole of the packing gland, and then pulling the handle arm 2 by hand to make the clamp component 1 close to the packing gland, and pressing the handle 51 with the other hand, the handle 51 pulls the connection 533, the connecting rod 533 drives the connecting rod fixing platform 412 to move down, and drives the plug rod 41 to move down, the baffle 413 on the plug rod 41 compresses the elastic component 42, and at the same time, the lower end of the plug rod 41 is inserted into the disassembly hole above the packing gland, and the packing gland can be tightened by both hands at the same time. When the pressure handle 5 is released, the spring 9 pops up, drives the plug rod 41 to move up, and the plug rod 41 moves up until the baffle 411 hits the pressure cap 22, at which time the bottom end surface of the plug rod 41 is flush with the inner side surface of the clamp component 1, and the anti-slipping wrench for tightening the packing gland of the water injection pump can be removed.

[0048] In the present invention, the term "plurality" means at least two or more than two, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0049] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A fastening and anti-slipping device, characterized in that: include: Clamp component (1); The handle arm (2) is hollow inside and connected to the clamp component (1); a first through hole (11) is provided at a position where the clamp component (1) and the handle arm (2) are connected; A first clamping component (3) is arranged on the clamping component (1); A second clamping component (4), part of which is disposed inside the handle arm (2) and part of which is capable of passing through a first through hole (11) at a connection position between the clamping component (1) and the handle arm (2); A force-applying component (5) is arranged on the handle arm (2), connected to the second clamping component (4), and is used to adjust the length of the second clamping component (4) extending out of the first through hole (11).

2. The fastening and anti-slipping device according to claim 1, characterized in that: The clamp component (1) is arc-shaped, and the center angle of the circle corresponding to the clamp component (1) is 90° to 150°.

3. The fastening and anti-slipping device according to claim 2, characterized in that: In the extension direction of the arc of the clamp component (1), the first clamping component (3) is arranged at one end of the clamp component (1), and the handle arm (2) is connected to the other end of the clamp component (1).

4. The fastening and anti-slipping device according to claim 3, characterized in that: The clamp component (1) is provided with a second through hole (12), the first clamp component (3) is connected to the clamp component (1) via the second through hole (12), and the angle between the first through hole (11) and the second through hole (12) is 60° to 120°.

5. The fastening and anti-slipping device according to claim 3, characterized in that: The clamp component (1) is provided with a reinforcing rib (13), and the reinforcing rib (13) is welded to the second clamping component (4).

6. The fastening and anti-slipping device according to claim 1, characterized in that: The handle arm (2) is provided with a notch (21), and the force-applying component (5) passes through the notch (21) and is connected to the second clamping component (4).

7. The fastening and anti-slipping device according to claim 6, characterized in that: The force-applying component (5) comprises a handle (51), a fixing sleeve (52) and a connecting rod assembly (53); the fixing sleeve (52) is sleeved on the outside of the handle arm (2); the handle (51) is rotatably connected to the fixing sleeve (52); one end of the connecting rod assembly (53) is rotatably connected to the handle (51); and the other end of the connecting rod assembly (53) passes through the slot (21) and is connected to the second clamping component (4).

8. The fastening and anti-slipping device according to claim 7, characterized in that: The connecting rod assembly (53) comprises a limiting sleeve (541), a rotating shaft (542) and a connecting rod (533); the limiting sleeve (541) is arranged on the handle (51); the rotating shaft (542) passes through the limiting sleeve (541); one end of the connecting rod (533) is respectively connected to the rotating shaft (542); the other end of the connecting rod (533) passes through the notch (21) and is connected to the second clamping component (4).

9. The fastening and anti-slipping device according to claim 8, characterized in that: The second clamping component (4) comprises an insertion rod (41) and an elastic component (42); the elastic component (42) is arranged inside the handle arm (2) at a position close to the first through hole (11); the insertion rod (41) is inserted into the elastic component (42); and the connecting rod (41) passes through the slot (21) and is connected to the insertion rod (41).

10. The fastening and anti-slipping device according to claim 9, characterized in that: In the length direction of the insertion rod (41), the insertion rod (41) is provided with a baffle (411), a connecting rod fixing platform (412) and a baffle plate (413) in sequence.

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