Connecting tool
By introducing clamping mechanism and connection components into the pipeline connection tool, automatic roundness correction is achieved during pipeline plugging, which solves the problems of reduced strength and low assembly efficiency caused by pipeline machining, and improves the efficiency and safety of pipeline connections.
Patent Information
- Application Number
- CN202421593402.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-07-08
AI Technical Summary
In pipeline engineering, the mechanical processing of pipelines results in a decrease in strength at the pipeline connections, increasing the risk of breakage, and the prior art is inefficient in assembly when dealing with slight deformation pipelines.
It provides a connecting tool that can automatically correct the circularity of the pipe during the pipe plug-in process by two spaced clamping mechanisms and multiple connecting components, and improve assembly efficiency.
The tool can simultaneously correct the roundness when the pipe is plugged in, improve the efficiency of pipe connections, reduce the risk of pipe breakage, and avoid inefficiency and pipeline scrapping risks during manual correction.
Smart Images
Figure CN222756122U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline connection, in particular to a connection tool. Background Art
[0002] In pipeline engineering, multiple sections of pipelines need to be connected, and various connection methods require mechanical processing on the connecting part of the pipeline to reduce the thickness of the pipeline for subsequent connection. Since mechanical processing will reduce the thickness of the pipeline and reduce the strength of the pipeline connection, it will cause the pipeline to break during subsequent use.
[0003] To solve this problem, a device that can achieve direct connection of pipes without mechanical processing is designed in the prior art. Since pipes will be deformed to a certain extent during the manufacturing and transportation process, generally speaking, deformed pipes cannot be used. However, there is still a certain possibility of repairing pipes with slight deformation. Generally, the roundness is corrected manually. After the correction is made to meet the use requirements, the two corrected pipes are connected using a connecting device, but this will reduce the assembly efficiency of the two pipes. Utility Model Content
[0004] The utility model aims to provide a connecting tool which can correct the roundness of a pipe with slight deformation while assembling two pipes, thereby improving the assembly efficiency of the two pipes.
[0005] To achieve this purpose, the utility model adopts the following technical solutions:
[0006] The utility model provides a connection tool for positioning a first pipeline and a second pipeline arranged in sequence along a plug-in direction, wherein the first pipeline can be plugged with the second pipeline, and comprises:
[0007] Two clamping mechanisms arranged at intervals, the clamping mechanisms comprising a frame and a plurality of clamping assemblies, and the plurality of clamping assemblies are evenly spaced along the circumference of the frame, the frame of one clamping mechanism is used to be sleeved on the first pipe with a gap, and the frame of the other clamping mechanism is used to be sleeved on the second pipe with a gap, the clamping assemblies comprise an adjusting member and a clamping member, the adjusting member is passed through the frame and is threadedly connected to the frame, the clamping member is located in the frame and is rotatably connected to one end of the adjusting member, and the plurality of clamping members can clamp the first pipe or the second pipe together;
[0008] A plurality of connection components are respectively connected to the two frames in an adjustably positionable manner along the plug-in direction, and are used to gradually reduce the distance between the two frames along the plug-in direction so that the first pipe and the second pipe can be plugged.
[0009] Furthermore, the clamping assembly also includes a measuring rod, which is connected to the adjusting member and is outside the frame, and an extending direction of the measuring rod is perpendicular to the axis of the adjusting member.
[0010] Furthermore, the measuring rod is rotatably connected to the adjusting member.
[0011] Furthermore, the number of the clamping assemblies is an even number, and the plurality of clamping assemblies are arranged opposite to each other in pairs.
[0012] Furthermore, the connecting assembly includes a stud bolt and two nuts, both ends of the stud bolt are respectively gap-through the frames of the two clamping mechanisms, the two nuts of each connecting assembly are threadedly connected to the stud bolt, and the two nuts are located on both sides of the corresponding frames and respectively abut against the corresponding frames.
[0013] Furthermore, the clamping member is provided with a connecting groove, and the adjusting member is rotatably inserted into the connecting groove.
[0014] Furthermore, a surface of the clamping member that contacts the first pipe or the second pipe is arc-shaped.
[0015] Furthermore, the clamping assembly also includes a rubber pad, which is attached to the clamping member and is used to contact the first pipe or the second pipe.
[0016] Furthermore, the frame includes two cross beams and two longitudinal beams, and each of the cross beams is detachably connected to each of the longitudinal beams.
[0017] Furthermore, the adjusting member, the clamping member and the connecting assembly are all made of high-strength alloy steel.
[0018] The connection tool of the utility model has at least the following beneficial effects:
[0019] The connection tool of the utility model is used to locate the first pipe and the second pipe arranged in sequence along the plug-in direction, and the first pipe can be plugged with the second pipe. The tool includes two clamping mechanisms arranged at intervals and a plurality of connection components. The clamping mechanism includes a frame and a plurality of clamping components, and the plurality of clamping components are evenly spaced along the circumference of the frame. The frame of one clamping mechanism is used to be sleeved on the first pipe with a gap, and the frame of the other clamping mechanism is used to be sleeved on the second pipe with a gap. The clamping component includes an adjusting member and a clamping member, the adjusting member is passed through the frame and threadedly connected to the frame, the clamping member is located in the frame and rotatably connected to one end of the adjusting member, and is used to clamp the first pipe or the second pipe together; the connection component is passed through the two frames at a gap along the plug-in direction, and is used to adjust the distance between the two frames along the plug-in direction. The first pipe or the second pipe is clamped by a plurality of clamping members, and the roundness of the pipe is corrected by the adjusting member, and then the distance between the two frames is reduced by a plurality of connection components, so that the first pipe and the second pipe are plugged in one place. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a structural schematic diagram of a connection tool connecting a first pipeline and a second pipeline in an embodiment of the utility model;
[0021] Figure 2 is a side view of a connecting tool connecting a first pipeline and a second pipeline in an embodiment of the utility model;
[0022] Figure 3 It is a structural schematic diagram of the clamping mechanism in the embodiment of the utility model;
[0023] Figure 4 It is a cross-sectional view of the clamping mechanism in the embodiment of the utility model.
[0024] In the figure:
[0025] 1. Clamping mechanism; 11. Frame; 111. Crossbeam; 112. Longitudinal beam; 12. Clamping assembly; 121. Adjusting member; 122. Clamping member; 123. Measuring rod; 2. Connecting assembly; 21. Stud bolt; 22. Nut; 100. First pipeline; 200. Second pipeline. DETAILED DESCRIPTION
[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0027] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0029] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0030] Due to some unexpected situations that may occur during the production and transportation of pipelines, the roundness of some pipelines may be slightly deformed. This slight deformation will hinder the pipeline connection operation. However, according to the needs of actual working conditions and economic cost considerations, there are quite a few pipelines with such slight deformations and the roundness can be corrected later. After correction, qualified pipelines can continue to be used. Therefore, before using these slightly deformed pipelines, it is necessary to correct the roundness of the pipelines to meet the requirements for pipeline connection, and then connect the pipelines. However, in the above operation, the roundness is generally adjusted manually first, and then the pipelines are connected using connection tools. Such operation will reduce the efficiency of the pipeline connection operation, and manual direct correction will also increase the risk of pipeline scrapping.
[0031] Therefore, in order to solve the above problems, a connection tool is provided in the present embodiment, which can correct the roundness of the two pipes while plugging them together, with high correction efficiency and accuracy, and can greatly improve the efficiency of plugging the two pipes together. Pipes include but are not limited to polyethylene pipes, polyethylene composite pipes, polyvinyl chloride pipes, polyvinyl chloride composite pipes, etc.; the application conditions of the connection tool include but are not limited to highway pipe connection operations, indoor pipe connection operations, workshop pipe connection operations, etc. Connection methods include but are not limited to electric melting, hot melting, welding, socket joints, etc.
[0032] Please refer to Figures 1 to 4 As shown, the connection tool in this embodiment is used to position the first pipe 100 and the second pipe 200 arranged in sequence along the plugging direction, and the first pipe 100 can be plugged with the second pipe 200, including:
[0033] Two clamping mechanisms 1 are arranged at intervals, the clamping mechanisms 1 include a frame 11 and a plurality of clamping assemblies 12, and the plurality of clamping assemblies 12 are evenly spaced along the circumference of the frame 11, the frame 11 of one clamping mechanism 1 is used to be gap-fitted on the first pipe 100, and the frame 11 of the other clamping mechanism 1 is used to be gap-fitted on the second pipe 200, the clamping assembly 12 includes an adjusting member 121 and a clamping member 122, the adjusting member 121 is passed through the frame 11 and is threadedly connected to the frame 11, the clamping member 122 is located in the frame 11 and is rotatably connected to one end of the adjusting member 121, and the plurality of clamping members 122 can clamp the first pipe 100 or the second pipe 200 together; a plurality of connecting assemblies 2, the connecting assemblies 2 are respectively connected to the two frames 11 in an adjustable manner along the plug-in direction, and are used to gradually reduce the distance between the two frames 11 along the plug-in direction so that the first pipe 100 and the second pipe 200 can be plugged in.
[0034] Specifically, in the present embodiment, a clamping mechanism 1 is sleeved on the first pipe 100 with a gap using a frame 11, and then a plurality of clamping assemblies 12 are evenly arranged on the periphery of the frame 11, the clamping assembly 12 comprises an adjusting member 121 and a clamping member 122, the clamping surface of the clamping member 122 is facing the outer wall of the first pipe 100, the adjusting member 121 passes through the frame 11 and is threadedly connected to the frame 11, one end of the adjusting member 121 in the frame 11 is rotatably connected to the clamping member 122, and the clamping member 122 is driven to move toward the outer wall of the first pipe 100 by rotating the adjusting member 121 until the clamping member 122 abuts against the first pipe 100, and since a plurality of clamping assemblies 12 are provided, a plurality of clamping members 122 abut against the outer wall of the first pipe 100, and these clamping members 122 and the adjusting member 121 work together to tightly clamp the first pipe 100. Similarly, there is also a clamping mechanism 1 on the second pipe 200. As in the above operation, multiple clamping assemblies 12 are used to clamp the second pipe 200. Before the two pipes are plugged in, the roundness of the lower pipe can be measured by a measuring tool. When the roundness does not meet the requirements, the clamping mechanism 1 can be moved to the position, and then the adjusting member 121 is rotated, and then the clamping force of the clamping member 122 on the pipe at the position is adjusted, so that the slightly deformed pipe can restore the original roundness to a certain extent, so that it meets the use requirements of the pipe connection. Alternatively, the distance parameters from the outermost end of the multiple adjusting members 121 to the center of the circle can be measured. Since the multiple clamping assemblies 12 are evenly spaced along the circumference of the frame 11, the axial directions of the adjusting members 121 in the multiple clamping assemblies 12 are perpendicular to the axial direction of the first pipe 100 or the second pipe 200, and then these parameters in the same clamping mechanism 1 are compared to determine whether the pipe roundness needs to be corrected.
[0035] A plurality of through holes are provided on the frame 11, and these through holes are evenly and spacedly arranged on the frame 11. The positions of these through holes do not interfere with the adjusting member 121 on the frame 11, and the aperture of the through hole extends along the plugging direction. Then, the plurality of connecting components 2 correspond to the plurality of through holes on the two frames 11 one by one and pass through the through holes on the two frames 11, and the position of the frame 11 on the connecting component 2 can be adjusted. After the roundness of the first pipe 100 and the second pipe 200 is adjusted by the clamping component 12, the distance between the two frames 11 is gradually reduced along the plugging direction by using the connecting component 2. When the force acting on the connecting component 2 is large enough, the two clamping mechanisms 1 drive the first pipe 100 to be inserted into the second pipe 200 or the second pipe 200 to be inserted into the first pipe 100. In this embodiment, after using the connecting tool, the roundness can be corrected by the tool before the first pipe 100 and the second pipe 200 are plugged, and then the pipes are directly plugged, thereby improving the efficiency of the pipe connection operation.
[0036] Alternatively, if Figures 2 to 4 As shown, the clamping assembly 12 also includes a measuring rod 123, which is connected to the adjusting member 121 and is outside the frame 11, and the extending direction of the measuring rod 123 is perpendicular to the axis of the adjusting member 121. Specifically, in this embodiment, the position and number of the measuring rods 123 correspond to the position and number of the adjusting member 121. The measuring rod 123 is connected to one end of the adjusting member 121 and is arranged away from the clamping member 122, and the extending direction of the measuring rod 123 is perpendicular to the axis of the adjusting member 121, that is, the extending direction of the measuring rod 123 is parallel to the axial direction of the first pipe 100 or the second pipe 200. When it is difficult to measure the distance between the adjusting member 121 and the axis of the pipe, the measuring rod 123 can be used to assist in the measurement. After the first pipe 100 or the second pipe 200 is clamped by multiple clamping assemblies 12, the vertical projection distance from the measuring rod 123 to the axis of the pipe is the pipe radius length plus the length of the entire clamping assembly 12. After measuring the vertical projection distance parameter, the pipe radius parameter can be obtained by subtracting the length parameter of the entire clamping assembly 12. By comparing the measured pipe radius parameter with the designed pipe radius parameter, it is determined whether the pipe at the clamping position has undergone a slight deformation and the degree of the slight deformation. It should be noted that the models and sizes of each adjusting member 121 and each clamping member 122 are consistent, the models and sizes of each measuring rod 123 are also consistent, and the positions where each measuring rod 123 is connected to the corresponding adjusting member 121 are also the same. In other embodiments, the position and number of the measuring rods 123 correspond one-to-one to the position and number of the adjusting members 121, the part of the adjusting member 121 located outside the frame 11 can also be connected to the measuring rod 123, and as the adjusting member 121 moves toward the inside of the frame 11, the measuring rod 123 will never interfere with the frame 11, and the position of the measuring rod 123 connected on each adjusting member 121 is the same.
[0037] Furthermore, if Figures 2 to 4 As shown, the measuring rod 123 is rotatably connected to the adjusting member 121. With such arrangement, when the two clamping mechanisms 1 are close to each other, the placement of the measuring rod 123 is adjusted by rotating the measuring rod 123, thereby avoiding the interference of the measuring rods 123 on the two clamping mechanisms 1. And when it is necessary to perform welding and other operations on the connection between the first pipe 100 and the second pipe 200, a certain working space can be vacated by rotating the free end of the measuring rod 123 to a position away from the connection. Furthermore, when the two measuring rods 123 arranged at intervals along the plugging direction are adjusted to a state parallel to each other, the overlap length of the plugging is compared by measuring the distance parameters of the two before the plugging and the distance parameters of the two after the plugging, and based on this, it is determined whether the plugging meets the requirements, thereby improving the accuracy of the plugging.
[0038] Furthermore, the number of the clamping assemblies 12 is an even number, and the plurality of clamping assemblies 12 are arranged opposite to each other in pairs. Figures 2 to 4 As shown, in this embodiment, it is exemplarily given that four clamping assemblies 12 are provided in the same clamping mechanism 1, two clamping assemblies 12 are symmetrically arranged in the vertical direction, and two clamping assemblies 12 are symmetrically arranged in the horizontal direction. The distance of the two measuring rods 123 in the vertical direction is measured, and then the distance of the two measuring rods 123 in the horizontal direction is measured. By comparing the two distance parameters, if the distance parameter in the vertical direction is not equal to the distance parameter in the horizontal direction, the two adjusting members 121 in the vertical direction or the two adjusting members 121 in the horizontal direction can be adjusted so that the distance parameter in the vertical direction is equal to or almost close to the distance parameter in the horizontal direction, so that the roundness of the first pipe 100 or the second pipe 200 can be corrected. In other embodiments, the number of clamping assemblies 12 is determined according to the correction accuracy. The higher the roundness correction requirement for the pipe is, the more clamping assemblies 12 are required, and the number of clamping assemblies 12 can be an even number greater than four.
[0039] Alternatively, if Figure 1 and Figure 2 As shown, the connection assembly 2 includes a stud bolt 21 and two nuts 22. The two ends of the stud bolt 21 are respectively interspaced and penetrated in the frames 11 of the two clamping mechanisms 1. The two nuts 22 of each connection assembly 2 are threadedly connected to the stud bolt 21, and the two nuts 22 are located on both sides of the corresponding frame 11 and respectively abut against the corresponding frame 11. Specifically, in this embodiment, two stud bolts 21 are penetrated on both sides of each adjusting member 121, and then two nuts 22 are threadedly connected to each stud bolt 21 along the plug-in direction. The two nuts 22 are respectively located on the outside of the two frames 11 and abut against the frames 11 as they rotate. Then, by continuing to rotate the two nuts 22 clockwise at the same time, the two frames 11 are moved on the stud bolt 21, so that the first pipe 100 is inserted into the second pipe 200 or the second pipe 200 is inserted into the first pipe 100. By rotating the nuts 22, external force is provided for the plug-in of the first pipe 100 and the second pipe 200, thereby avoiding destructive plug-in by hammering or the like. Furthermore, when the two clamping mechanisms 1 are tightened by the connection assembly 2, the tension acting on the first pipe 100 or the second pipe 200 through the clamping member 122 can be ensured to be relatively uniform, so that the first pipe 100 and the second pipe 200 will not generate excessive stress impact when plugged in, and the pipe material is effectively protected. When performing electric fusion connection or welding, the connection assembly 2 can also play a role in fixing the first pipe 100 and the second pipe 200 to prevent them from moving along the plugging direction, thereby improving the quality of the electric fusion connection or welding.
[0040] In other embodiments, the stud bolt 21 can be replaced by a screw with a nut, and a nut 22 is threadedly connected to the other end of the screw. By rotating the nut and the nut 22 clockwise at the same time, the distance between the two frames 11 can be gradually reduced, so that the first pipe 100 and the second pipe 200 can be plugged into each other.
[0041] Alternatively, if Figure 4 As shown, the clamping member 122 is provided with a connection groove, and the adjusting member 121 is rotatably plugged into the connection groove. In this embodiment, since the clamping member 122 needs to abut against the first pipe 100 or the second pipe 200, and cannot rotate during the subsequent process of pressing and correcting the pipe. Therefore, a connection groove is opened on the clamping member 122, and one end of the adjusting member 121 can be plugged into this connection groove and can rotate in the connection groove. In this way, when the adjusting member 121 is rotated, the adjusting member 121 only provides the clamping member 122 with a thrust along the axial direction of the adjusting member 121, thereby reducing the wear between the clamping member 122 and the first pipe 100 or the second pipe 200, and improving the service life of the connection tool and the pipe.
[0042] Alternatively, if Figure 3 and Figure 4 As shown, the surface of the clamping member 122 that contacts the first pipe 100 or the second pipe 200 is arc-shaped. This arrangement allows the clamping member 122 to better fit the outer wall of the first pipe 100 or the second pipe 200.
[0043] Optionally, the clamping assembly 12 further includes a rubber pad, which is attached to the clamping member 122 and is used to contact the first pipe 100 or the second pipe 200. A rubber pad is attached at least where the clamping member 122 abuts against the first pipe 100 or the second pipe 200 to avoid direct contact between the clamping member 122 and the pipe. On the one hand, the friction between the clamping member 122 and the first pipe 100 or the second pipe 200 can be increased, which is conducive to the clamping member 122 clamping the pipe; on the other hand, mutual wear between the clamping member 122 and the first pipe 100 or the second pipe 200 can be avoided, thereby extending the service life of the connection tool and the pipe.
[0044] Alternatively, if Figures 1 to 4As shown, the frame 11 includes two cross beams 111 and two longitudinal beams 112, and each cross beam 111 can be detachably connected to each longitudinal beam 112. Specifically, in this embodiment, the frame 11 is quadrilateral, consisting of two cross beams 111 and two longitudinal beams 112, and the number of cross beams 111 and the number of longitudinal beams 112 are both half of the number of clamping components 12; the two ends of the longitudinal beam 112 are set as threaded studs, and the two ends of the cross beam 111 are set as threaded holes, and then four nuts 22 are screwed to connect the two cross beams 111 and the two longitudinal beams 112 to form the frame 11. With such a configuration, the installation and removal of the frame 11 will be very convenient. During installation, each cross beam 111 is threadedly connected to each longitudinal beam 112 in sequence, so that the frame 11 can be sleeved on the first pipe 100 or the second pipe 200; after the pipe connection operation is completed, when disassembling, the operation is reversed, and each cross beam 111 is rotated off from each longitudinal beam 112 in sequence to disassemble the frame 11 from the first pipe 100 or the second pipe 200, thereby improving the efficiency of pipe connection. In other embodiments, the number of cross beams 111 and the number of longitudinal beams 112 of the frame 11 are an even number greater than two, and are also half of the number of clamping assemblies 12.
[0045] Furthermore, the adjusting member 121, the clamping member 122 and the connecting assembly 2 are all made of high-strength alloy steel. The adjusting member 121, the clamping member 122 and the connecting assembly 2 made of high-strength alloy steel are more wear-resistant, thereby increasing the service life of the connecting tool.
[0046] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.
Claims
1. A connection tool, used for positioning a first pipe (100) and a second pipe (200) arranged in sequence along a plug-in direction, wherein the first pipe (100) can be plugged with the second pipe (200), characterized in that: include: Two clamping mechanisms (1) arranged at intervals, the clamping mechanisms (1) comprising a frame (11) and a plurality of clamping assemblies (12), and the plurality of clamping assemblies (12) are evenly spaced along the circumference of the frame (11); the frame (11) of one clamping mechanism (1) is used to be sleeved on the first pipe (100) with a gap, and the frame (11) of the other clamping mechanism (1) is used to be sleeved on the second pipe (200) with a gap, the clamping assemblies (12) comprising an adjusting member (121) and a clamping member (122), the adjusting member (121) being passed through the frame (11) and being threadedly connected to the frame (11), the clamping member (122) being located in the frame (11) and being rotatably connected to one end of the adjusting member (121), and the plurality of clamping members (122) being able to clamp the first pipe (100) or the second pipe (200) together; A plurality of connection components (2), wherein the connection components (2) are respectively connected to the two frames (11) in an adjustable manner along the plug-in direction, and are used to gradually reduce the distance between the two frames (11) along the plug-in direction so as to plug the first pipe (100) and the second pipe (200).
2. A connection tool according to claim 1, characterized in that: The clamping assembly (12) further comprises a measuring rod (123), the measuring rod (123) being connected to the adjusting member (121) and being located outside the frame (11), and the extending direction of the measuring rod (123) being perpendicular to the axis of the adjusting member (121).
3. A connection tool according to claim 2, characterized in that: The measuring rod (123) is rotatably connected to the adjusting member (121).
4. A connection tool according to claim 2, characterized in that: The number of the clamping assemblies (12) is an even number, and the plurality of clamping assemblies (12) are arranged opposite to each other in pairs.
5. A connection tool according to claim 1, characterized in that: The connecting assembly (2) comprises a stud bolt (21) and two nuts (22), the two ends of the stud bolt (21) are respectively interspaced and penetrated through the frames (11) of the two clamping mechanisms (1), the two nuts (22) of each connecting assembly (2) are both threadedly connected to the stud bolt (21), and the two nuts (22) are located on both sides of the corresponding frame (11) and respectively abut against the corresponding frame (11).
6. A connection tool according to claim 1, characterized in that: The clamping member (122) is provided with a connecting groove, and the adjusting member (121) is rotatably inserted into the connecting groove.
7. A connection tool according to claim 1, characterized in that: The surface of the clamping member (122) in contact with the first pipe (100) or the second pipe (200) is arc-shaped.
8. A connection tool according to claim 1, characterized in that: The clamping assembly (12) further comprises a rubber pad, the rubber pad being attached to the clamping member (122), the rubber pad being used for contacting the first pipe (100) or the second pipe (200).
9. A connection tool according to claim 1, characterized in that: The frame (11) comprises two cross beams (111) and two longitudinal beams (112), and each of the cross beams (111) is detachably connected to each of the longitudinal beams (112).
10. A connection tool according to any one of claims 1 to 8, characterized in that: The adjusting member (121), the clamping member (122) and the connecting assembly (2) are all made of high-strength alloy steel.