CN117595143A - Repairing device and repairing method suitable for sliding overhead ground wire - Google Patents

Abstract

The utility model relates to a prosthetic devices suitable for repairing slip overhead ground wire, wherein, overhead ground wire frame locates on electric power iron tower's the fastener, prosthetic devices includes first straining device, second straining device, first straining device and second straining device, first straining device connects in first straining device's one end, second straining device connects in second straining device's one end, first straining device and second straining device are used for setting up in the both sides of fastener respectively, and press from both sides tight overhead ground wire through first straining device and second straining device respectively, first straining device and second straining device are used for along the flexible motion of respective length direction, make overhead ground wire can be taut and promote under first straining device and second straining device's shrink motion. According to the repairing device, the load applied to the wire clamp by the overhead ground wire is transferred to the first tensioning mechanism and the second tensioning mechanism, so that the wire clamp deflection repairing and the sag adjustment of the overhead ground wire are facilitated, and the structure is simple and reliable.

Description

Repairing device and repairing method suitable for sliding overhead ground wire

Technical Field

The application relates to the technical field of high-voltage line overhaul, in particular to a repairing device and a repairing method suitable for a sliding overhead ground wire.

Background

Overhead ground wires are lines laid over the transmission line to avoid direct lightning strikes, which may be referred to as lightning conductors or ground wires. Due to the influence of the environment, the slipping of the overhead ground wire can occur, and the situation that the wire clamp for supporting the overhead ground wire is inclined and the like can be caused, so that an operator is required to repair the slipping overhead ground wire.

In the related art, the repairing of the sliding overhead ground wire and the deflection wire clamp is generally carried out in a rope binding wire tightening mode or a wire tightening mode of locking a wire stacking device.

However, the line tightening mode in the related art is too labor-intensive, and more personnel are invested, so that the overhaul and maintenance cost is increased.

Disclosure of Invention

Based on the above, it is necessary to provide a repairing device and a repairing method suitable for a sliding overhead ground wire, aiming at the problems of excessive labor intensity, more investment personnel and increased maintenance cost of the wire tightening mode in the related art.

On the one hand, the application provides a prosthetic devices suitable for repairing slip overhead ground wire, overhead ground wire frame locates on electric power iron tower's the fastener, prosthetic devices includes first straining device, second straining device, first clamping mechanism and second clamping mechanism, first clamping mechanism connect in first straining device's one end, second clamping mechanism connect in second straining device's one end, first straining device with second straining device is used for setting up respectively the both sides of fastener, and pass through respectively first clamping mechanism with second clamping mechanism presss from both sides tight overhead ground wire, first straining device with second straining device is used for following respective length direction concertina movement, in order to tighten overhead ground wire.

In one embodiment, the first clamping mechanism and the second clamping mechanism each comprise a shell, a pressing block and an extrusion structure, wherein the shell is provided with a fixing groove, the fixing groove is used for accommodating the overhead ground wire, the pressing block is used for propping against the overhead ground wire penetrating through the fixing groove, and the extrusion structure is used for extruding one side, deviating from the fixing groove, of the pressing block, so that the pressing block extrudes the overhead ground wire.

In one embodiment, the pressing block is provided with a pressing surface and a meshing surface which are opposite to each other, the meshing surface is arranged at a preset angle relative to the pressing surface, the extrusion structure is provided with meshing teeth, the extrusion structure is meshed with the meshing surface, the extrusion structure is rotationally connected to the shell, and the extrusion mechanism is used for rotating relative to the shell so as to drive the pressing block to move relative to the shell.

In one embodiment, the first clamping mechanism and the second clamping mechanism each include a thrust structure, and when the extrusion mechanism rotates relative to the housing, the thrust structure is clamped into a tooth slot of the extrusion structure to limit the extrusion mechanism from rotating reversely.

In one embodiment, the first tensioning mechanism and the second tensioning mechanism each comprise a first connecting structure, a second connecting structure and a telescopic structure, two ends of the telescopic structure are respectively connected with the first connecting structure and the second connecting structure, the first connecting structure is used for locking a cross arm support of the electric power iron tower, the second connecting structure of the first tensioning mechanism is used for connecting the first clamping mechanism, the second connecting structure of the second tensioning mechanism is used for connecting the second locking mechanism, and the telescopic structure is used for adjusting the distance between the first connecting structure and the second connecting structure.

In one embodiment, the telescopic structure comprises a first screw rod, a second screw rod and a connecting block, wherein the first screw rod is used for connecting the first connecting structure, the second screw rod is used for connecting the second connecting structure, the first screw rod and the second screw rod are all arranged on the connecting block in a penetrating mode and are all in threaded connection with the connecting block, and the first screw rod or the second screw rod is used for rotating relative to the connecting block, so that the first screw rod and the second screw rod relatively move towards respective length directions.

In one embodiment, the connecting block comprises a clamping seat and 2 nuts, the clamping seat is provided with 2 clamping grooves, the 2 clamping grooves are respectively used for clamping the 2 nuts, and the 2 nuts are respectively used for sleeving the first screw rod and the second screw rod.

In one embodiment, the telescopic structure further comprises a first locking handle and a second locking handle, the first locking handle is sleeved on the first screw rod, the second locking handle is sleeved on the second screw rod, and the first locking handle and the second locking handle are respectively used for clamping and rotating the first screw rod and the second screw rod, so that the first screw rod and the second screw rod rotate relative to the connecting block.

In one embodiment, the first connecting structure is in spherical hinge connection with the first screw rod, and the second screw rod is in spherical hinge connection with the second connecting structure.

Above-mentioned prosthetic devices, first straining device and second straining device are taut and promote the overhead ground wire through shrink motion, realize applying the overhead ground wire on the fastener load transfer to first straining device and second straining device to be convenient for fastener skew repair and overhead ground wire's sag adjustment, the structure is reliable and easy operation, is favorable to improving operating personnel's work efficiency, reduces the operation intensity.

On the other hand, the application provides a repairing method of the sliding overhead ground wire, which is applied to the repairing device suitable for repairing the sliding overhead ground wire, and comprises the following steps:

the first tensioning mechanism and the second tensioning mechanism are locked on the cross arm support of the electric iron tower at two sides of the wire clamp;

clamping the overhead ground wire by the first clamping mechanism and the second clamping mechanism;

according to the target sag of the overhead ground wire, the first tensioning mechanism and/or the second tensioning mechanism perform shrinkage movement along the respective length directions so as to lift the overhead ground wire;

loosening the wire clamp, and adjusting the vertical suspension angle and the position of the wire clamp according to the target sag of the overhead ground wire;

and locking the overhead ground wire on the wire clamp.

According to the repairing method, the first tensioning mechanism and the second tensioning mechanism tension and lift the overhead ground wire through shrinkage movement, so that the load applied to the wire clamp by the overhead ground wire is transferred to the first tensioning mechanism and the second tensioning mechanism, wire clamp deflection repairing and overhead ground wire sag adjustment are facilitated, the structure is reliable and easy to operate, work efficiency of operators is improved, and operation intensity is reduced.

Drawings

Fig. 1 is a schematic structural view (front view) of a repairing apparatus for a sliding overhead ground wire according to an embodiment of the present application.

Fig. 2 is a top view of the prosthetic device of fig. 1.

FIG. 3 is a schematic view of a portion of the mechanism of the prosthetic device of FIG. 1.

Fig. 4 is a schematic structural view of a first clamping mechanism of the prosthetic device of fig. 1.

Fig. 5 is a schematic structural view of a connection block in a part of the mechanism of the repairing device shown in fig. 3.

Fig. 6 is a schematic structural diagram of the pressing structure and the thrust structure in the first clamping mechanism shown in fig. 4.

Fig. 7 is a flow chart of a method of repairing a slipping overhead ground wire and a skew clip of the present application.

Description of the reference numerals

10. A prosthetic device; 20. a wire clamp; 30. an overhead ground wire; 40. a cross arm bracket; 100. a first tensioning mechanism; 200. a second tensioning mechanism; 110. a first connection structure; 120. a second connection structure; 130. a telescopic structure; 131. a first screw rod; 132. a second screw rod; 133. a connecting block; 1331. a clamping seat; 1331a, a clamping groove; 1332. a nut; 134. a first locking handle; 135. a second locking handle; 300. a first clamping mechanism; 400. a second clamping mechanism; 310. a housing; 311. an upper cover; 312. a lower cover; 310a, a fixed slot; 320. briquetting; 320a, a compression surface; 320b, engagement surface; 330. an extrusion structure; 330a, teeth; 340. a thrust structure; 341. a spring seat; 342. a spring; 343. and a lock tongue.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1, fig. 1 illustrates a schematic structural diagram of a repair device 10 suitable for repairing a slipping overhead ground wire 30 in one embodiment of the present application. The repairing device 10 comprises a first tensioning mechanism 100, a second tensioning mechanism 200, a first clamping mechanism 300 and a second clamping mechanism 400, wherein the first tensioning mechanism 300 is connected to one end of the first tensioning mechanism 100, the second clamping mechanism 400 is connected to one end of the second tensioning mechanism 200, the first tensioning mechanism 100 and the second tensioning mechanism 200 are respectively arranged on two sides of the wire clamp 20 and are respectively used for clamping the overhead ground wire 30 through the first clamping mechanism 300 and the second clamping mechanism 400, and the first tensioning mechanism 100 and the second tensioning mechanism 200 are respectively used for stretching along respective length directions so as to tension the overhead ground wire 30.

According to the repairing device 10, the first tensioning mechanism 100 and the second tensioning mechanism 200 can be used for tensioning and lifting the overhead ground wire 30 through telescopic movement, so that the load applied to the wire clamp 20 by the overhead ground wire 30 is transferred to the first tensioning mechanism 100 and the second tensioning mechanism 200, the wire clamp 20 is convenient to repair in a deflection manner and the sag adjustment of the overhead ground wire 30, the structure is reliable, the operation is simple, the work efficiency of operators is improved, and the operation intensity is reduced.

It should be noted that, referring to fig. 1, the deflection of the wire clamp 20 and the sliding of the overhead ground wire 30 refer to the situation that the overhead ground wire 30 slides relative to the wire clamp 20 under the influence of the environment, and then drags the wire clamp 20 to deflect towards the direction deviating from the vertical direction, so that the supporting effect of the wire clamp 20 on the overhead ground wire 30 is greatly reduced. Therefore, the worker periodically repairs the skew cable clamp 20 and the sliding overhead ground wire 30. Further, in the repair process, it is necessary to adjust sag of the overhead ground wire 30 (sag refers to a vertical distance between the lowest point of the wire and a line connecting two suspension points when the suspension heights of the wires on two adjacent base poles are the same on a flat ground surface.

Referring to fig. 4, in some embodiments, the first clamping mechanism 300 and the second clamping mechanism 400 each include a housing 310, a pressing block 320, and an extrusion structure 330, where the housing 310 is provided with a fixing slot 310a, the fixing slot 310a is used for accommodating the overhead ground wire 30, the pressing block 320 is used for pressing the overhead ground wire 30 penetrating through the fixing slot 310a, and the extrusion structure 330 is used for extruding a side of the pressing block 320 away from the fixing slot 310a, so that the pressing block 320 extrudes the overhead ground wire 30. It should be noted that fig. 4 only shows a schematic structural view of the first clamping mechanism 300, and it is understood that the second clamping mechanism 400 is identical to the first clamping mechanism 300 in structure.

In addition, in some embodiments, the housing 310 includes an upper cover 311 and a lower cover 312, the upper cover 311 and the lower cover 312 are detachably connected, and the pressurizing structure is rotatably disposed on the upper cover 311. Specifically, as shown in fig. 4, by providing the housing 310 in a split form of the upper cover 311 and the lower cover 312, the overhead ground wire 30 is accommodated only by aligning the overhead ground wire 30 with the fixing slots 310a of the upper cover 311 and the lower cover 312 at the same time, and covering the upper cover 311 and the lower cover 312 with each other, which is beneficial to improving the operation convenience.

Further, as shown in fig. 4, in some embodiments, the pressing block 320 is provided with a pressing surface 320a and an engaging surface 320b opposite to each other, the pressing surface 320a is disposed at a preset angle with respect to the engaging surface 320b, the pressing structure 330 is provided with an engaging tooth 330a, the pressing structure 330 is engaged with the engaging surface 320b, and the pressing structure 330 is rotatably connected to the housing 310, and the pressing mechanism is used for rotating with respect to the housing 310 to drive the pressing block 320 to move with respect to the housing 310, so that when the pressing block 320 moves towards a target direction, the pressing of the overhead ground wire 30 can be achieved.

Specifically, the size of the above-described compacts 320 of the present application can be changed in size according to the thick line of the overhead ground wire 30. It is only necessary to satisfy that the pressing block 320 can be engaged with the engagement teeth 330a of the pressing structure 330, which is advantageous for improving the applicability of the device.

In addition, as shown in connection with fig. 4, the pressing surface 320a is used to abut and press the overhead ground wire 30. Therefore, the above-mentioned arrangement of the engagement surface 320b at a predetermined angle with respect to the pressing surface 320a means that when the pressing surface 320a abuts against and presses the overhead ground wire 30, the engagement surface 320b is arranged at a predetermined angle with respect to the length direction of the overhead ground wire 30. More specifically, taking this application fig. 4 as an example, when the extrusion structure 330 is shifted to rotate counterclockwise relative to the housing 310, the pressing block 320 can move rightward under the driving of the extrusion structure 330, and since the engagement surface 320b of the pressing block 320 is in a tilting state with high left and low right, the pressing block 320 can extrude the overhead ground wire 30 downward while moving rightward, so as to compress the overhead ground wire 30, and the operation is simple, which is beneficial to reducing the operation intensity of operators.

Still further, as shown in fig. 4, in some embodiments, the first clamping mechanism 300 and the second clamping mechanism 400 each include a thrust structure 340, and when the pressing mechanism rotates relative to the housing 310, the thrust structure 340 is clamped into the tooth slot of the pressing structure 330 to limit the reverse rotation of the pressing mechanism, so that the reverse movement of the pressing block 320 can be prevented, and the pressing effect on the overhead ground wire 30 is ensured.

Referring to fig. 6, in some embodiments, the thrust structure 340 includes a spring seat 341, a spring 342, and a locking tongue 343, the locking tongue 343 is rotatably connected to the housing 310, the spring seat 341 is fixed on the housing 310, the spring 342 is fixedly disposed on the spring seat 341, and one end of the locking tongue 343 is connected to the spring 342.

Specifically, in this embodiment, as shown in fig. 4, when the pressing structure 330 rotates counterclockwise relative to the housing 310, the pressing structure 330 and the locking tongue 343 will perform an interference motion, such that the locking tongue 343 will rotate clockwise by an angle, and the spring 342 will be stretched, such that the locking tongue 343 can be snapped into different tooth slots of the tooth 330a of the pressing structure 330; when the pressing structure 330 rotates in the opposite direction (clockwise), the engaging tooth 330a abuts against the lock tongue 343, so that the lock tongue 343 rotates in the counterclockwise direction, and the rotation of the pressing structure 330 is blocked by the lock tongue 343 due to the limitation of the spring seat 341 on the connection side of the lock tongue 343 and the spring 342, thereby being beneficial to maintaining the compression function of the pressing block 320.

Referring to fig. 1 and 3, in some embodiments, the first tensioning mechanism 100 and the second tensioning mechanism 200 each include a first connection structure 110, a second connection structure 120, and a telescopic mechanism, two ends of the telescopic structure 130 are respectively connected to the first connection structure 110 and the second connection structure 120, the first connection structure 110 is used for locking the cross arm support 40 of the electric power tower, the second connection structure 120 of the first tensioning mechanism 100 is used for connecting the first clamping mechanism 300, the second connection structure 120 of the second tensioning mechanism 200 is used for connecting the second clamping mechanism 400, and the telescopic structure 130 is used for adjusting the interval between the first connection structure 110 and the second connection structure 120, so as to be able to tighten and lift the overhead ground wire 30.

As shown in fig. 2 and 3, in some embodiments, the telescopic structure 130 includes a first screw rod 131, a second screw rod 132 and a connecting block 133, the first screw rod 131 is used for connecting the first connecting structure 110, the second screw rod 132 is used for connecting the second connecting structure 120, the first screw rod 131 and the second screw rod 132 are all arranged on the connecting block 133 in a penetrating manner and are all in threaded connection with the connecting block 133, the first screw rod 131 or the second screw rod 132 is used for rotating relative to the connecting block 133, so that the first screw rod 131 and the second screw rod 132 relatively move towards respective length directions, tensioning and lifting of the overhead ground wire 30 can be achieved, and the operation is simple and reliable. It should be noted that fig. 3 only shows a schematic structural view of the first tensioning mechanism 100, and it is understood that the second tensioning mechanism 200 is identical to the first tensioning mechanism 100 in structure.

Specifically, referring to fig. 5, in some embodiments, the connection block 133 includes a clamping seat 1331 and 2 nuts 1332, the clamping seat 1331 has 2 clamping grooves 1331a, the 2 clamping grooves 1331a are respectively used for clamping the 2 nuts 1332,2, and the nuts 1332 are respectively used for sleeving the first screw rod 131 and the second screw rod 132, so that when the first screw rod 131 or the second screw rod 132 is driven to rotate, i.e. the driving nut 1332 rotates relative to the clamping seat 1331, the first screw rod 131 moves along the respective length direction relative to the second screw rod 132. It can be understood that in this embodiment, the number of the clamping seats 1331 is 2, the 2 clamping seats 1331 are used for clamping the nuts 1332 in the clamping grooves 1331a, and the split design of the 2 clamping seats 1331 is beneficial to improving the assembling convenience of the clamping seats 1331 for locking the first screw rod 131 and the second screw rod 132.

Referring to fig. 5, in some embodiments, the nut 1332 is designed with a double-end structure, so that the clamping effect of the nut 1332 and the clamping seat 1331 is ensured, and in addition, the rotation effect of the nut 1332 relative to the clamping seat 1331 can be improved, so that the working reliability of the device is improved.

Further, as shown in fig. 3, in some embodiments, the telescopic structure 130 further includes a first locking handle 134 and a second locking handle 135, the first locking handle 134 is sleeved on the first screw rod 131, the second locking handle 135 is sleeved on the second screw rod 132, the first locking handle 134 and the second locking handle 135 are respectively used for clamping and rotating the first screw rod 131 and the second screw rod 132, so that the first screw rod 131 and the second screw rod 132 rotate relative to the connecting block 133, which is beneficial to improving the rotation operation convenience of the first screw rod 131 and the second screw rod 132, thereby reducing the working strength of operators and improving the working efficiency.

In some embodiments, as shown in fig. 3, the first connection structure 110 is in spherical hinge connection with the first screw rod 131, and the second screw rod 132 is in spherical hinge connection with the second connection structure 120, so that the transmitted vibration of a part of the overhead ground wire 30 can be buffered through the rotation effect, and the influence of the vibration effect on the repair operation is reduced.

In addition, as shown in fig. 2, in some embodiments, the second connection structure 120 includes a U-shaped connection member, and each of two sides of the first clamping mechanism 300 and the second clamping mechanism 400 is provided with a bump, the U-shaped connection member is respectively used for rotationally connecting with the bumps on two sides, and when the overhead ground wire 30 performs vibration transmission, the U-shaped connection member can rotate relative to the bumps, so that a portion of the vibration of the overhead ground wire 30 can be further eliminated, and the influence on the repair operation is reduced.

As shown in fig. 7, the present application further provides a repairing method of the sliding overhead ground wire 30, which is applied to the repairing device 10 suitable for repairing the sliding overhead ground wire 30, wherein the repairing method includes the following steps:

s1, locking a first tensioning mechanism 100 and a second tensioning mechanism 200 on two sides of a wire clamp 20 on a cross arm bracket 40 of a power iron tower;

s2, clamping the overhead ground wire 30 by the first clamping mechanism 300 and the second clamping mechanism 400;

s3, according to the target sag of the overhead ground wire 30, the first tensioning mechanism 100 and/or the second tensioning mechanism 200 perform shrinkage motion along the respective length directions so as to lift the overhead ground wire 30;

s4, loosening the wire clamp 20, and adjusting the vertical suspension angle and the position of the wire clamp 20 according to the target sag of the overhead ground wire 30;

s5, locking the overhead ground wire 30 on the wire clamp 20.

According to the repairing method, the first tensioning mechanism 100 and the second tensioning mechanism 200 tighten and lift the overhead ground wire 30 through the shrinkage motion, so that the load applied to the wire clamp 20 by the overhead ground wire 30 is transferred to the first tensioning mechanism 100 and the second tensioning mechanism 200, the wire clamp 20 is convenient to repair in a deflection manner and the sag adjustment of the overhead ground wire 30, the structure is reliable, the operation is simple, the work efficiency of operators is improved, the work intensity is reduced, and the first tensioning mechanism 100, the second tensioning mechanism 200, the first clamping mechanism 300 and the second clamping mechanism 400 are detached after the repairing is finished.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. The utility model provides a prosthetic devices suitable for repairing slip overhead ground wire, overhead ground wire frame locates on electric power iron tower's the fastener, its characterized in that, prosthetic devices includes first straining device, second straining device, first clamping mechanism and second clamping mechanism, first clamping mechanism connect in one end of first straining device, second clamping mechanism connect in one end of second straining device, first straining device with second straining device is used for setting up respectively the both sides of fastener, and respectively through first straining device with second straining device presss from both sides tight overhead ground wire, first straining device with second straining device is used for following respective length direction concertina movement, in order to tighten overhead ground wire.

2. The repairing device for repairing a sliding overhead ground wire according to claim 1, wherein the first clamping mechanism and the second clamping mechanism each comprise a shell, a pressing block and an extrusion structure, the shell is provided with a fixing groove, the fixing groove is used for accommodating the overhead ground wire, the pressing block is used for pressing the overhead ground wire penetrating through the fixing groove, and the extrusion structure is used for extruding one side, away from the fixing groove, of the pressing block, so that the pressing block extrudes the overhead ground wire.

3. The repairing device for repairing a sliding overhead ground wire according to claim 2, wherein the pressing block is provided with a pressing surface and an engagement surface which are opposite to each other, the engagement surface is arranged at a preset angle relative to the pressing surface, the pressing structure is provided with engagement teeth, the pressing structure is engaged with the engagement surface, the pressing structure is rotatably connected to the housing, and the pressing mechanism is used for rotating relative to the housing so as to drive the pressing block to move relative to the housing.

4. The repair device for repairing a slipping overhead ground wire of claim 3, wherein the first clamping mechanism and the second clamping mechanism each comprise a thrust structure, and the thrust structure limits the extrusion mechanism from rotating in the opposite direction by being snapped into a spline of the extrusion structure when the extrusion mechanism rotates relative to the housing.

5. The repairing device suitable for repairing a sliding overhead ground wire according to claim 1, wherein the first tensioning mechanism and the second tensioning mechanism comprise a first connecting structure, a second connecting structure and a telescopic structure, two ends of the telescopic structure are respectively connected with the first connecting structure and the second connecting structure, the first connecting structure is used for locking a cross arm support of the electric power iron tower, the second connecting structure of the first tensioning mechanism is used for connecting the first clamping mechanism, the second connecting structure of the second tensioning mechanism is used for connecting the second clamping mechanism, and the telescopic structure is used for adjusting the distance between the first connecting structure and the second connecting structure.

6. The repairing device suitable for repairing a sliding overhead ground wire according to claim 5, wherein the telescopic structure comprises a first screw rod, a second screw rod and a connecting block, the first screw rod is used for being connected with the first connecting structure, the second screw rod is used for being connected with the second connecting structure, the first screw rod and the second screw rod are all arranged on the connecting block in a penetrating mode and are all in threaded connection with the connecting block, and the first screw rod or the second screw rod is used for rotating relative to the connecting block, so that the first screw rod and the second screw rod relatively move towards respective length directions.

7. The repairing device for repairing a sliding overhead ground wire according to claim 6, wherein the connecting block comprises a clamping seat and 2 nuts, the clamping seat is provided with 2 clamping grooves, the 2 clamping grooves are respectively used for clamping the 2 nuts, and the 2 nuts are respectively used for sleeving the first screw rod and the second screw rod.

8. The repairing device suitable for repairing a sliding overhead ground wire according to claim 6, wherein the telescopic structure further comprises a first locking handle and a second locking handle, the first locking handle is sleeved on the first screw rod, the second locking handle is sleeved on the second screw rod, and the first locking handle and the second locking handle are respectively used for clamping and rotating the first screw rod and the second screw rod so that the first screw rod and the second screw rod rotate relative to the connecting block.

9. The repair device for repairing a slipping overhead ground wire according to claim 5, wherein the first connection structure is ball-hinged to the first lead screw, and the second lead screw is ball-hinged to the second connection structure.

10. A method for repairing a slipping overhead ground wire, applied to the repairing device for repairing a slipping overhead ground wire according to any one of claims 1 to 9, characterized in that the repairing method comprises the following steps:

the first tensioning mechanism and the second tensioning mechanism are locked on the cross arm support of the electric iron tower at two sides of the wire clamp;

clamping the overhead ground wire by the first clamping mechanism and the second clamping mechanism;

according to the target sag of the overhead ground wire, the first tensioning mechanism and/or the second tensioning mechanism perform shrinkage movement along the respective length directions so as to lift the overhead ground wire;

loosening the wire clamp, and adjusting the vertical suspension angle and the position of the wire clamp according to the target sag of the overhead ground wire;

and locking the overhead ground wire on the wire clamp.