Repair device and method of use

Abstract

The present disclosure provides a repairing device and a use method, and relates to the technical field of engineering towline. The repairing device comprises: a connecting part having a first opening and a second opening in communication at two ends opposite to each other; a locking mechanism arranged on the connecting part; wherein the first fracture part extends into the connecting part through the first opening, the second fracture part extends into the connecting part through the second opening, and the connecting part is elastically deformed through the locking mechanism to fasten the first fracture part and the second fracture part extending into the connecting part. This structure can be quickly installed at the fracture part of the towline body to maintain the continuous production action of the towline body, avoid the problem of production line stagnation caused by the fracture of the towline body, and also avoid the problem of yield loss, effectively solving the technical problems existing in the prior art.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of engineering drag chain, in particular to a repairing device and a using method. BACKGROUND

[0002] Drag chain, also known as cable carrier, is a device for binding cables or wires or air pressure pipes and oil pressure pipes to facilitate their rotation and movement. Drag chain is divided into steel drag chain, steel drag chain made of steel and aluminum combination, plastic drag chain, plastic drag chain also known as engineering plastic drag chain, tank chain. Drag chain is divided into bridge type drag chain, fully enclosed drag chain and semi-enclosed drag chain according to different use environment and use requirements. Drag chain is applied to reciprocating motion occasions and can play a traction and protection role for the built-in cables, oil pipes, air pipes and water pipes.

[0003] A large number of metal drag chains are applied in the electronic glass production process. Since the drag chain equipment is continuously in action, fatigue fracture phenomenon of the drag chain equipment occurs. In the prior art, when the fatigue fracture phenomenon of the drag chain equipment occurs, the drag chain equipment with fatigue fracture is forced to stop and repaired, which causes the production line to stop and results in the problem of yield loss.

[0004] Therefore, the above technical problems need to be further solved. SUMMARY

[0005] One of the technical problems to be solved by the present disclosure is how to quickly repair the broken drag chain to avoid the problem of yield loss caused by the stop of the production line.

[0006] To solve the above technical problems, on the one hand, the present disclosure provides a repairing device arranged on a first fracture and a second fracture of a drag chain body for connecting the first fracture and the second fracture, comprising:

[0007] A connecting portion, the connecting portion has a first opening and a second opening in communication at opposite ends thereof;

[0008] A locking mechanism arranged on the connecting portion;

[0009] The first fracture extends into the connecting portion through the first opening, the second fracture extends into the connecting portion through the second opening, and the connecting portion forms elastic deformation through the locking mechanism to fasten the first fracture and the second fracture extending into the connecting portion.

[0010] In some embodiments, the connecting portion comprises:

[0011] a plurality of fasteners, first ends and second ends of the fasteners having intervals and being opposite to each other, the first ends and the second ends having bending portions therebetween, so that the fasteners form a rectangular space arranged in a ring, the first ends and the second ends being provided with the locking mechanisms, the plurality of fasteners being connected in sequence and causing the rectangular spaces to communicate in sequence along a first direction to form a containing space;

[0012] The first fracture is formed by the first opening of the rectangular space at the first end in the first direction, and the second fracture is formed by the second opening of the rectangular space at the end in the first direction. Each of the fasteners is elastically deformed by the locking mechanism to fasten the first fracture and the second fracture extending into the containing space. The first direction is the arrangement direction of the plurality of fasteners.

[0013] In some embodiments, further comprising:

[0014] a connecting shaft arranged on the first side wall and the second side wall of the fastener close to the first end and the second end, the connecting shaft being located outside the rectangular space;

[0015] The first side wall and the second side wall each have at least one connecting shaft

[0016] a connecting member movably connected between the connecting shafts at the same position on the same side of adjacent fasteners.

[0017] In some embodiments, the connecting member is in the shape of a long strip.

[0018] In some embodiments, the connecting member has shaft holes at opposite ends thereof;

[0019] The shaft holes are in clearance fit with the connecting shafts.

[0020] In some embodiments, the shaft holes are long strip holes opened along the length direction of the connecting member.

[0021] In some embodiments, further comprising:

[0022] a first nut connected with the connecting shaft to limit the connecting member on the connecting shaft.

[0023] In some embodiments, the locking mechanism comprises:

[0024] a bolt and a second nut;

[0025] The first end and the second end are provided with the bolt, the bolt is threadedly connected with the second nut for the fastener to fasten the broken part of the drag chain body.

[0026] In some embodiments, the connecting shaft is a stepped shaft.

[0027] The end of the stepped shaft with a large shaft diameter is connected with the fastener, the connecting piece is connected with the end of the stepped shaft with a large shaft diameter, and the first nut is connected with the end of the stepped shaft with a small shaft diameter.

[0028] In another aspect, the application provides a repairing method for the broken drag chain body, comprising:

[0029] The drag chain body and the repairing device;

[0030] The repairing device comprises:

[0031] The connecting part has a first opening and a second opening at two opposite ends thereof;

[0032] The locking mechanism is arranged on the connecting part.

[0033] The first broken part is inserted into the connecting part through the first opening, the second broken part is inserted into the connecting part through the second opening, and the connecting part is elastically deformed by the locking mechanism to fasten the first broken part and the second broken part inserted into the connecting part.

[0034] According to the above technical solution, the repairing device provided by the application inserts the first broken part of the drag chain body into the connecting part through the first opening, inserts the second broken part of the drag chain body into the connecting part through the second opening, and finally elastically deforms the connecting part by the locking mechanism to fasten the first broken part and the second broken part inserted into the connecting part. This structure can be quickly installed at the broken part of the drag chain body to maintain the continuous production of the drag chain body, avoid the problem of production line stagnation caused by the breakage of the drag chain body, and avoid the problem of yield loss. The technical problems existing in the prior art are effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0036] Figure 1is a structural schematic diagram of a connecting part according to an embodiment of the present disclosure;

[0037] Figure 2 is a structural schematic diagram of a connecting part according to an embodiment of the present disclosure;

[0038] Figure 3 is a structural schematic diagram of a connecting part according to an embodiment of the present disclosure;

[0039] Figure 4 is a structural schematic diagram of a connecting part according to an embodiment of the present disclosure;

[0040] Figure 5 is a flowchart of a repairing method for a broken drag chain body according to an embodiment of the present disclosure.

[0041] Legend of reference signs:

[0042] 1, drag chain body; 11, first broken part; 12, second broken part; 2, connecting part; 21, fastener; 22, connecting shaft; 23, connecting piece; 24, shaft hole; 25, first nut; 3, locking mechanism; 31, bolt; 32, second nut. DETAILED DESCRIPTION

[0043] The embodiments of the present disclosure will be described in further detail below with reference to the drawings and embodiments. The detailed description and drawings of the following embodiments are used to exemplarily illustrate the principles of the present disclosure, but cannot be used to limit the scope of the present disclosure, and the present disclosure can be implemented in many different forms, and is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0044] The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully express the scope of the present disclosure to those skilled in the art. It should be noted that: unless otherwise specified, the relative arrangement of components and steps, the composition of materials, numerical expressions and values set forth in these embodiments should be interpreted as merely exemplary, and not as a limitation.

[0045] It should be noted that, in the description of the present disclosure, unless otherwise specified, the meaning of "a plurality of" is greater than or equal to two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer" and the like are only for facilitating the description of the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present disclosure. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0046] In addition, the "first", "second" and similar words used in the present disclosure do not represent any order, quantity or importance, but are only used to distinguish different parts. "Vertical" is not strictly vertical, but within the allowable range of error. "Parallel" is not strictly parallel, but within the allowable range of error. "Include" or "contain" and similar words mean that the elements before the word cover the elements listed after the word, and do not exclude the possibility of also covering other elements.

[0047] It should also be noted that in the description of the present disclosure, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present disclosure can be understood according to the specific circumstances. When it is described that a specific device is located between the first device and the second device, there can be or can not be an intermediate device between the specific device and the first device or the second device.

[0048] All terms used in the present disclosure have the same meaning as understood by those skilled in the art to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries should be interpreted to have meanings consistent with their meanings in the context of the relevant art, and should not be interpreted in an idealized or excessively formalized sense, unless specifically defined here.

[0049] Techniques, methods and devices known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be considered as part of the specification.

[0050] Embodiment one

[0051] Reference to the attached Figure 1 -attached Figure 4 The embodiment of the present application proposes a repairing device arranged on the first fracture 11 and the second fracture 12 of the drag chain body 1, for connecting the first fracture 11 and the second fracture 12, comprising: a connecting part 2 and a locking mechanism 3;

[0052] The two ends of the connecting part 2 opposite to each other have a first opening and a second opening in communication;

[0053] The locking mechanism 3 is arranged on the connecting part 2;

[0054] The first fracture 11 extends into the connecting part 2 through the first opening, the second fracture 12 extends into the connecting part 2 through the second opening, and the connecting part 2 forms elastic deformation through the locking mechanism 3 to fasten the first fracture 11 and the second fracture 12 extending into the connecting part 2.

[0055] Specifically, the connecting part 2 is used to connect the first broken part 11 and the second broken part 12 of the drag chain body 1. The locking mechanism 3 is used to lock the connecting part 2. The connecting part 2 has a first opening and a second opening in communication. The first broken part 11 of the drag chain body 1 extends into the connecting part 2 through the first opening. The second broken part 12 of the drag chain body 1 extends into the connecting part 2 through the second opening. Finally, the connecting part 2 is elastically deformed by the locking mechanism 3 to fasten the first broken part 11 and the second broken part 12 extending into the connecting part 2. This structure can be quickly installed at the broken part of the drag chain body 1 to maintain the continuous production of the drag chain body 1, avoid the problem of production line stop caused by the broken drag chain body 1, and avoid the problem of yield loss.

[0056] The connecting part 2 can be any shape. The shape of the first opening of the connecting part 2, the second opening of the connecting part 2, and the channel between the first opening and the second opening in the connecting part 2 should be adapted to the shape of the drag chain body 1. The connecting part 2 is made of elastic material. The connecting part 2 and the locking mechanism 3 can be connected in a detachable manner or in a fixed connection manner.

[0057] The repair device provided by the embodiment of the present disclosure can extend the first broken part 11 of the drag chain body 1 into the connecting part 2 through the first opening, extend the second broken part 12 of the drag chain body 1 into the connecting part 2 through the second opening, and finally elastically deform the connecting part 2 by the locking mechanism 3 to fasten the first broken part 11 and the second broken part 12 extending into the connecting part 2. This structure can be quickly installed at the broken part of the drag chain body 1 to maintain the continuous production of the drag chain body 1, avoid the problem of production line stop caused by the broken drag chain body 1, and avoid the problem of yield loss. The technical problems existing in the prior art are effectively solved.

[0058] Reference is made to the accompanying drawings Figure 2 - the accompanying drawings Figure 4 In specific implementation, the connecting part 2 includes a plurality of fasteners 21.

[0059] The first end and the second end of the fastener 21 are spaced apart and opposite, and a bending portion is arranged between the first end and the second end, so that the fastener 21 forms a ring-shaped rectangular space, the locking mechanism 3 is arranged between the first end and the second end, and a plurality of fasteners 21 are sequentially connected and sequentially communicate with each other along a first direction to form a containing space; wherein the first fracture 11 extends into the containing space through a first opening formed by the rectangular space of the first end in the first direction, and the second fracture 12 extends into the containing space through a second opening formed by the rectangular space of the end in the first direction, and each fastener 21 is elastically deformed by the locking mechanism 3 to fasten the first fracture 11 and the second fracture 12 extending into the containing space, and the first direction is the arrangement direction of the plurality of fasteners 21.

[0060] Specifically, the connecting part 2 is composed of a plurality of fasteners 21. The fastener 21 is in a strip shape, and the first end and the second end of the fastener 21 are spaced apart and opposite. This structure design has two advantages. First, it is convenient to install the locking mechanism 3 on the fastener 21, so that the first end and the second end of the fastener 21 can be elastically deformed by the locking mechanism 3 to fasten the first fracture 11 or the second fracture 12 extending into the rectangular space. Second, it is convenient for the fastener 21 to be sleeved on the first fracture 11 or the second fracture 12 through the opening formed by the first end and the second end, so that the first fracture 11 or the second fracture 12 can enter the rectangular space of the fastener 21 through the opening, and the fastener 21 can be elastically deformed by the locking mechanism 3 to fasten the first fracture 11 or the second fracture 12 extending into the rectangular space. The containing space is used for containing the first fracture 11 and the second fracture 12 of the drag chain body 1. The bending portion is arranged between the first end and the second end of the fastener 21, so that the fastener 21 forms a ring-shaped rectangular space. This structure design can match the shape of the fastener 21 with the shape of the drag chain body 1, so that the drag chain body 1 can normally work after the first fracture 11 and the second fracture 12 are fastened by the plurality of fasteners 21, and the problem that the first fracture 11 and the second fracture 12 connected by the connecting part 2 are deformed or the first fracture 11 and the second fracture 12 connected by the connecting part 2 cannot transport products can be avoided.

[0061] The fastener 21 can be made of an elastic material, such as a metal material or a rubber material. In order to facilitate the installation and disassembly of the locking mechanism 3 and the fastener 21, and to facilitate the first fracture 11 or the second fracture 12 to enter the rectangular space through the opening of the fastener 21, the locking mechanism 3 and the fastener 21 are directly connected, and the connection mode is a detachable connection mode.

[0062] The connection between adjacent fasteners 21 is in two ways, the first is that adjacent fasteners 21 are connected by fixed connection, when adjacent fasteners 21 are connected by fixed connection, and the drag chain body 1 does not have a bending part, the connection part 2 formed by a plurality of fasteners 21 can be installed at the fracture of the drag chain body 1 without bending part, so that the connection part 2 is elastically deformed by the locking mechanism 3 to fasten the fracture extending into the accommodation space; the second is that adjacent fasteners 21 are connected by movable connection, when adjacent fasteners 21 are connected by movable connection, any part of the drag chain body 1 is fractured, the connection part 2 formed by a plurality of fasteners 21 can be installed at the fracture of the drag chain body 1, so that the connection part 2 is elastically deformed by the locking mechanism 3 to fasten the fracture extending into the accommodation space. The skilled person can adjust the connection mode between adjacent fasteners 21 according to the actual situation, in order to facilitate the connection part 2 to cope with the fracture of any part of the drag chain body 1, the adjacent fasteners 21 are connected by movable connection, this structure design can facilitate the free bending of the connection part 2 to compensate for the action of the drag chain body 1.

[0063] Reference is made to the accompanying drawings Figure 2 -Appendix Figure 4 In specific implementation, it also includes a connecting shaft 22 and a connecting piece 23.

[0064] The connecting shaft 22 is arranged on the first side wall and the second side wall opposite to the first end and the second end of the fastener 21, and the connecting shaft 22 is located outside the rectangular space; wherein the first side wall and the second side wall each have at least one connecting shaft 22; the connecting piece 23 is movably connected between the connecting shafts 22 at the same position on the same side of adjacent fasteners 21.

[0065] Specifically, adjacent fasteners 21 are movably connected by connecting shafts 22 and connecting pieces 23. The fastener 21 and the connecting shaft 22 can be connected in a detachable manner, or can be connected in a fixed manner, for example: clamping, bolt 31 connection, welding or integral structure. The connecting piece 23 and the connecting shaft 22 are movably connected, for example: clearance fit or rotary connection.

[0066] The connecting part 2 formed by the plurality of fasteners 21 can be freely bent and compensate the action of the drag chain body 1 by connecting the connecting shafts 22 at the same position on the same side of the adjacent fasteners 21 through the connecting pieces 23. The connecting shafts 22 are arranged on the first side wall and the second side wall opposite to the first end and the second end of the fastener 21. The stability of the connecting structure can be ensured when the adjacent fasteners 21 are connected through the connecting pieces 23. The connecting shafts 22 are located outside the rectangular space. The good freedom between the adjacent fasteners 21 through the connecting pieces 23 and the connecting shafts 22 can facilitate the free bending of the connecting part 2 and the compensation of the action of the drag chain body 1.

[0067] Referring to the drawings Figure 2 - the drawings Figure 4 In specific implementation, the connecting piece 23 is in long strip shape.

[0068] Specifically, the first fracture 11 and the second fracture 12 of the drag chain body 1 can extend into the accommodation space, so that the connecting part 2 is elastically deformed through the locking mechanism 3 to fasten the fractures extending into the accommodation space, thereby avoiding the special shape of the connecting piece 23 occupying part of the position of the accommodation space and affecting the connection effect of the connecting part 2 on the first fracture 11 and the second fracture 12.

[0069] Referring to the drawings Figure 2 - the drawings Figure 4 In specific implementation, the connecting piece 23 has an axle hole 24 at each end; and the axle hole 24 is in clearance fit with the connecting shaft 22.

[0070] Specifically, in order to facilitate the connection between the connecting piece 23 and the connecting shaft 22, the connecting piece 23 has an axle hole 24 at each end, and the axle hole 24 is in clearance fit with the connecting shaft 22, so that the good freedom between the adjacent fasteners 21 through the connecting piece 23 and the connecting shaft 22 can facilitate the free bending of the connecting part 2 and the compensation of the action of the drag chain body 1. The difference between the length of the axle hole 24 and the shaft diameter of the connecting shaft 22 is 0.2mm-0.5mm.

[0071] Referring to the drawings Figure 2 - the drawings Figure 4 In specific implementation, the axle hole 24 is a long strip hole along the length direction of the connecting piece 23.

[0072] Specifically, the good freedom between the adjacent fasteners 21 through the connecting piece 23 and the connecting shaft 22 can facilitate the free bending of the connecting part 2 and the compensation of the action of the drag chain body 1.

[0073] Referring to the drawingsFigure 2 -attached Figure 4 In specific implementation, the first nut 25 is further included.

[0074] The first nut 25 is connected with the connecting shaft 22, and is used for limiting the connecting piece 23 on the connecting shaft 22.

[0075] Specifically, the diameter of the first nut 25 is greater than the width of the long hole. In this way, the first nut 25 can limit the connecting piece 23 on the connecting shaft 22, so that the connecting piece 23 can be detached from the connecting shaft 22 through the long hole. The first nut 25 is connected with the connecting shaft 22 in a threaded connection manner. In this way, the technician can select a proper number of fasteners 21 and connecting pieces 23 according to the fracture degree of the drag chain body 1, so as to facilitate the installation and disassembly between the fasteners 21 and the connecting pieces 23.

[0076] Reference attached Figure 2 In specific implementation, the locking mechanism 3 includes a bolt 31 and a second nut 32.

[0077] The bolt 31 is arranged between the first end and the second end, and the bolt 31 is threadedly connected with the second nut 32, so as to fasten the fracture of the drag chain body 1.

[0078] Specifically, the locking mechanism 3 includes the bolt 31 and the second nut 32, and the bolt 31 is threadedly connected with the second nut 32.

[0079] The distance between the bolt head and the second nut 32 is adjusted, so as to adjust the distance between the first end and the second end of the fastener 21, and then the locking degree of the fastener 21 on the fracture of the drag chain body 1 is adjusted.

[0080] Reference attached Figure 2 In specific implementation, the connecting shaft 22 is a stepped shaft. The end with large shaft diameter of the stepped shaft is connected with the fastener 21, the connecting piece 23 is connected with the end with large shaft diameter, and the first nut 25 is connected with the end with small shaft diameter of the stepped shaft.

[0081] Specifically, the stepped shaft can facilitate the installation position of the connecting piece 23 and the first nut 25, avoid the first nut 25 being too close to the fastener 21, and affect the good freedom between the adjacent fasteners 21 through the connecting piece 23 and the connecting shaft 22. When the stepped shaft is selected, the connecting piece 23 will not fall off the stepped shaft through the long slot under the action of the second nut 32, even if the stepped shaft is selected, because the diameter of the first nut 25 is greater than the width of the long slot. In addition, the first nut 25 can not only be fastened with the stepped shaft to prevent the connecting piece 23 from falling off the stepped shaft, but also the shaft shoulder of the stepped shaft can limit the first nut 25 to avoid the first nut 25 being too close to the fastener 21, thereby affecting the good freedom between the adjacent fasteners 21 through the connecting piece 23 and the connecting shaft 22.

[0082] When the device is used, according to the fracture of the drag chain body 1, a suitable number of fasteners 21, connecting pieces 23 and first nuts 25 are selected, so that the suitable number of fasteners 21 are sequentially connected through the connecting pieces 23 and the first nuts 25, the openings formed by the first ends and the second ends of the fasteners 21 allow the fasteners 21 to be sleeved on the first fracture 11 or the second fracture 12 through the openings, so that the first fracture 11 or the second fracture 12 can enter the rectangular space of the fastener 21 through the opening, and finally the suitable number of fasteners 21 cooperate with the suitable number of locking mechanisms 3 to make the connecting part 2 formed by the suitable number of fasteners 21 form elastic deformation through the locking mechanism 3, and the first fracture 11 and the second fracture 12 extending into the accommodation space are fastened.

[0083] Embodiment two

[0084] The embodiment two of the present disclosure provides a repairing method for the fracture of the drag chain body, which comprises a drag chain body and a repairing device, as shown in Figure 5 The repairing method comprises the following steps:

[0085] S1, the first fracture extends into the connecting part through the first opening;

[0086] S2, the second fracture extends into the connecting part through the second opening;

[0087] S3, the connecting part forms elastic deformation through the locking mechanism, and the first fracture and the second fracture extending into the connecting part are fastened.

[0088] Specifically, the repairing method in the embodiment two can directly use the repairing device provided in the above-mentioned embodiment one, and the specific implementation structure can be referred to the related content described in the above-mentioned embodiment one, which will not be repeated here.

[0089] The repairing method for the broken drag chain body provided by the second embodiment of the present disclosure uses the repairing device provided by the first embodiment, the first broken part of the drag chain body is extended into the connecting part through the first opening, the second broken part of the drag chain body is extended into the connecting part through the second opening, and finally, the connecting part is elastically deformed by the locking mechanism to fasten the first broken part and the second broken part extended into the connecting part. This structure can be quickly installed at the broken part of the drag chain body to maintain the continuous production of the drag chain body, avoid the problem of production line stagnation caused by the broken drag chain body, and avoid the problem of yield loss, effectively solving the technical problems existing in the prior art.

[0090] So far, the embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.

[0091] Although some specific embodiments of the present disclosure have been described in detail through examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present disclosure. Those skilled in the art should understand that the above embodiments can be modified or some technical features can be replaced equivalently without departing from the scope and spirit of the present disclosure. In particular, as long as there is no structural conflict, the technical features mentioned in each embodiment can be combined in any way.

Claims

1. A repair device, disposed on a first breakage point (11) and a second breakage point (12) of a cable chain body (1), for connecting the first breakage point (11) and the second breakage point (12), characterized in that, include: The connecting part (2) has a first opening and a second opening that are connected at opposite ends; A locking mechanism (3) is provided on the connecting part (2); Wherein, the first fracture point (11) extends into the connecting part (2) through the first opening, and the second fracture point (12) extends into the connecting part (2) through the second opening. The connecting part (2) undergoes elastic deformation through the locking mechanism (3) to fasten the first fracture point (11) and the second fracture point (12) extending into the connecting part (2). The connecting part (2) includes: Multiple fasteners (21) have a first end and a second end that are spaced apart and aligned with each other. A bent portion is provided between the first end and the second end to form a rectangular space around the fasteners (21). A locking mechanism (3) is provided between the first end and the second end. Multiple fasteners (21) are connected in sequence and the rectangular space is connected in sequence along a first direction to form an accommodating space. Wherein, the first fracture (11) extends into the accommodating space through the first opening formed by the rectangular space at the first end in the first direction, and the second fracture (12) extends into the accommodating space through the second opening formed by the rectangular space at the end in the first direction. Each of the fasteners (21) undergoes elastic deformation through the locking mechanism (3) to fasten the first fracture (11) and the second fracture (12) extending into the accommodating space. The first direction is the arrangement direction of the multiple fasteners (21). The repair device also includes: A connecting shaft (22) is disposed on the fastener (21) near the first sidewall and the second sidewall opposite to the first end and the second end, and the connecting shaft (22) is located outside the rectangular space; The first sidewall and the second sidewall each have at least one of the connecting shafts (22); A connector (23) is movably connected between connecting shafts (22) at the same position on the same side of adjacent fasteners (21) so that the connecting portion (2) formed by the plurality of fasteners (21) can be freely bent.

2. The repair device according to claim 1, characterized in that, The connector (23) is long and narrow.

3. The repair device according to claim 2, characterized in that, Both ends of the connector (23) opposite to each other have shaft holes (24); The shaft hole (24) is clearance-fitted with the connecting shaft (22).

4. The repair device according to claim 3, characterized in that, The shaft hole (24) is an elongated hole opened along the length direction of the connector (23).

5. The repair device according to claim 1, characterized in that, Also includes: A first nut (25) is connected to the connecting shaft (22) and is used to limit the connection member (23) on the connecting shaft (22).

6. The repair device according to claim 5, characterized in that, The locking mechanism (3) includes: Bolt (31) and second nut (32); The bolt (31) is provided between the first end and the second end, and the bolt (31) is threadedly connected to the second nut (32) for the fastener (21) to fasten the broken part of the drag chain body (1).

7. The repair device according to claim 6, characterized in that, The connecting shaft (22) is a stepped shaft; The larger end of the stepped shaft is connected to the fastener (21), the connector (23) is connected to the larger end of the shaft, and the first nut (25) is connected to the smaller end of the stepped shaft.

8. A method for repairing a broken cable chain body, characterized in that, include: The repair method is applied to the repair device as described in any one of claims 1-7; The first fracture point extends into the connecting portion through the first opening; The second fracture point extends into the connecting portion through the second opening; The connecting part undergoes elastic deformation through the locking mechanism, which fastens the first fracture point and the second fracture point that extend into the connecting part.

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