CN210350152U - Live-line lap joint large-section drainage wire operation device for 10kV line - Google Patents

Abstract

The utility model discloses a 10kV circuit live lapping large cross-section drainage line operation device, belong to high-voltage live working utensil field, the utility model provides an operation device is including hanging the couple on leading the line, the couple below is equipped with insulating pulley, be equipped with insulating rope on the insulating pulley, drainage line clamping device is connected to insulating rope's non-free end, insulating rope's free end passes insulating pulley and hangs down, the couple includes the arc hook on upper portion and the curb plate that is located the arc hook both ends, the curb plate inboard is equipped with auto-lock safety mechanism, auto-lock safety mechanism includes scalable lug, be equipped with the holding tank that holds scalable lug on the curb plate, device in this scheme can be more accurate more laborsaving send the drainage line to the overlap joint position, and stabilize in this position department, the overlap joint of being convenient for, working strength is reduced, and efficiency is improved.

Description

Live-line lap joint large-section drainage wire operation device for 10kV line

[ technical field ] A method for producing a semiconductor device

The utility model relates to a high voltage live working utensil, concretely relates to electrified overlap joint large cross-section drainage line operation device of 10kV circuit.

[ background of the invention ]

The live working mode is divided into an insulating bucket arm vehicle insulating glove direct working method (also called an intermediate potential working method) and an insulating tool indirect working method (also called a ground potential working method) according to the positions of an operator and a live body, wherein the ground potential working method is a main mode of live working and is also a basis of other working methods, a human body is on the ground potential, a certain safety distance is kept between the human body and a live device, various insulating tools are used for indirectly overhauling the live device, the ground potential working method is large in application range and small in investment and is widely used in 10kV live working in uneven roads such as hills, mountains and the like, a live lapping branch drainage wire project is the most common live working project, a lapped branch drainage wire with a small cross section and a diameter of 50-120 square millimeters is generally lapped, and the operator directly locks the drainage wire by using an insulating lock operating lever, the drainage wire is fixed at the lap joint position by lifting the operating rod of the insulating lock by hand to carry out lap joint, along with the development of social economy, the living quality of residents is higher and higher, the electricity consumption is increased rapidly year by year, the wire diameter of the corresponding 10 kilovolt drainage wire is increased, the general sectional area can reach 150 square millimeters and above, the weight is increased therewith, the insulating lock operating rod is continuously used for carrying out the lap joint in an electrified way, the labor intensity of operators on the rod is high, meanwhile, the lock for clamping the drainage wire on the lock rod is often deformed, damaged and scrapped due to overlarge stress, if the lock cannot be found in time, the drainage wire can drop, and the potential safety hazard is very large.

[ summary of the invention ]

The utility model aims to solve the technical problem that overcome not enough among the prior art, design an easy operation, efficient, safer 10kV circuit live lapping large cross-section drainage line operation device.

Solve above-mentioned technical problem, utility model adopts following technical scheme:

the utility model provides a 10kV circuit live-line lap joint large cross-section drainage line operation device, is including hanging the couple on leading the line, the couple below is equipped with insulating pulley, be equipped with insulating rope on the insulating pulley, drainage line clamping device is connected to insulating rope's non-free end, insulating rope's free end passes insulating pulley and hangs down, the couple includes the arc hook on upper portion and the curb plate that is located the arc hook both ends, the curb plate inboard is equipped with auto-lock safety mechanism, auto-lock safety mechanism includes scalable lug, be equipped with the holding tank that holds scalable lug on the curb plate.

Adopt utility model's beneficial effect:

1. by adopting the device, ground operating personnel connect the non-free end of the insulating rope with the drainage wire clamping device, the free end of the insulating rope passes through the insulating pulley, then the hook with the insulating pulley and the insulating rope is hung on the main guide wire, then the drainage wire is clamped on the clamping device and the proper lap joint length is reserved, the free end of the insulating rope is pulled downwards, the pulley effect is utilized, the drainage wire is pulled up to the position of the main guide wire for installing the drainage wire, the drainage wire is fixed at the proper position without moving when the free end of the insulating wire is pulled, and the lap joint operation can be carried out.

2. Set up the auto-lock safety mechanism of above-mentioned structure on the couple, the couple is hung on the main lead back, scalable lug on the both ends curb plate stretches out to couple curb plate inboard, in order to realize the auto-lock, with main lead lock in the couple, avoid in operation process couple to drop from the main lead under the exogenic action, the safety performance has been improved, the potential safety hazard has been reduced, when the couple is hung or takes off, main lead passes scalable lug in-process, to the scalable lug of both sides extrusion, extrude scalable lug to the holding tank in, in order to pass through smoothly.

Preferably, the lower portion of the side plate is provided with an inserting rod, the two ends of the insulating pulley are provided with guard plates, a connecting block is arranged between the guard plates, a slot matched with the inserting rod is formed in the connecting block, the inserting rod is inserted into the slot and fixedly connected with the slot through a bolt, and the two ends of the bolt penetrate out of the outer side of the guard plates respectively and are locked through nuts.

The hook and the insulating pulley adopt the detachable connection mode, are easy to disassemble and assemble, are firm in connection, are convenient for the insulating wire to pass and slide, and simultaneously enable the hook and the insulating pulley to be separately packaged and used, so that the hook and the insulating pulley are convenient to place, transport and replace, the cost is saved, and the use range is enlarged.

As preferred, scalable lug is the arc lug, the arcwall face of arc lug is inboard towards the couple, the holding tank includes the back wall, is equipped with the torsional spring between scalable lug and the back wall, the one end of torsional spring supports scalable lug, the other end of torsional spring supports the back wall.

The telescopic lug is designed into an arc shape, so that the main guide wire is smoother when entering and exiting, the main guide wire cannot be blocked or scratched, the main guide wire penetrates through the telescopic lug to extrude and compress the torsion spring to generate torsion, the torsion spring releases the torsion to recover after entering, the telescopic lug is driven to pop up, and the self-resetting of the telescopic lug is realized.

Preferably, the drainage thread clamping device includes the splint mount, the splint mount includes front fixed plate and after-fixing board, and front fixed plate and after-fixing board pass through the bottom plate and connect, the splint mount is equipped with the olecranon splint of fixed drainage thread, the upper end of olecranon splint outstanding splint mount to be α contained angles with the front fixed plate, α is no less than 90 and is no less than 135, use olecranon splint centre gripping drainage thread, through the contained angle that changes olecranon splint and front fixed plate, thereby change the position and the angle of drainage thread overlap joint end, with satisfying the overlap joint operation requirement better, α is difficult to produce great squeezing action with the non-overlapping end of drainage thread and front fixed plate, be unfavorable for the firm of drainage thread, α undersize then can make the drainage thread tilt to opposite direction easily, through many times of operation test discovery, 90 is no less than α and no less than 135 to the centre gripping effect of olecranon drainage thread better to the olecranon drainage thread.

As preferred, olecranon splint include left splint and right splint, left splint bottom is equipped with first wedge fixed block, right splint bottom is equipped with second wedge fixed block, first wedge fixed block and second wedge fixed block pass through round pin axle inclined plane downward fixation between preceding fixed plate and after-fixing, and the inclined plane sets up relatively, first wedge fixed block and second wedge fixed block upper end are connected through the pressure spring, the below of first wedge fixed block and second wedge fixed block is equipped with the ejector pad, and motion control olecranon splint through the ejector pad unclamps and presss from both sides tightly.

The first wedge-shaped fixing block and the second wedge-shaped fixing block are fixed on the clamping plate fixing frame through pin shafts and rotate by taking the pin shafts as center shafts, when the drainage wire needs to be clamped, the push block is pushed upwards to extrude the lower ends of the first wedge-shaped fixing block and the second wedge-shaped fixing block to rotate outwards, the upper ends of the first wedge-shaped fixing block and the second wedge-shaped fixing block rotate inwards, the pressure spring is compressed and has elasticity, and therefore the left clamping plate and the right clamping plate are driven to rotate inwards to be clamped; when the drainage wire needs to be loosened, the push block is pulled downwards, after the push block is separated from the lower ends of the first wedge-shaped fixing block and the second wedge-shaped fixing block, the lower ends of the first wedge-shaped fixing block and the second wedge-shaped fixing block are separated from the constraint to become free ends, the upper ends of the first wedge-shaped fixing block and the second wedge-shaped fixing block rotate outwards due to the elastic action of the springs, the left clamping plate and the right clamping plate are driven to rotate outwards to be loosened, the structure is simple, the operation is easy, and the installation efficiency is high.

Preferably, the upper portion of the push block comprises a left inclined surface and a right inclined surface which are intersected, when the olecranon clamping plate is clamped, the inclined surface of the first wedge-shaped fixing block is tangent to the left inclined surface, and the inclined surface of the second wedge-shaped fixing block is tangent to the right inclined surface.

The contact area is large by adopting the tangent butt of the inclined plane, the butt is firmer, the looseness of the olecranon clamping plate in the operation process of conveying or lapping of the drainage wire is prevented, and meanwhile, the first wedge-shaped fixing block and the first wedge-shaped fixing block are enabled to be in a sliding mode by adopting the tangent of the inclined plane

The second wedge-shaped fixing block is small in rotation amplitude and high in precision, clamping force is adjusted to a proper position more easily, and the clamping effect is better.

Preferably, the drainage wire clamping device further comprises an elastic screw rod for driving the push block to move, the upper end of the elastic screw rod penetrates through the bottom plate to be connected with the push block, the up-and-down movement of the push block is adjusted through the screw of the elastic screw rod, circular motion is converted into linear motion, the precision is higher, the screw rod is in threaded connection with the bottom plate, the stability is high, sliding or shaking cannot occur, and therefore the stability of the push block is guaranteed.

Preferably, the lower end of the screw rod is detachably and fixedly connected with the insulating operating rod, and the hard insulating operating rod is used below the drainage wire clamping device to play a supporting role, so that the phenomenon that the drainage wire is shaken under the action of external force such as wind in the processes of ascending, descending and overlapping is prevented.

As preferred, the lower extreme of screw rod is equipped with first spliced pole, the lower extreme of screw rod and the cambered surface connection of first spliced pole, be equipped with first connection tooth on the terminal surface of first spliced pole, the upper end of insulating bar is equipped with the second spliced pole, the upper end of insulating bar and the cambered surface connection of second spliced pole, be equipped with the second on the terminal surface of second spliced pole and connect the tooth, first spliced pole is connected with the second spliced pole tooth, first spliced pole and second spliced pole pass through the screw rod fastening.

Adopt the mode that tooth connection and screw thread fastening combine between insulating bar and the drainage wire clamping device, tooth connection is more firm, can pass power better to control and adjust drainage wire clamping device's position and direction better, the screw rod fastening is effectual, simple structure, the dismouting of being convenient for.

Preferably, the hook is provided with a dismounting hook which is connected with the insulating sleeve operating rod and is used for dismounting the hook from the main guide line, the dismounting hook is inserted into the sleeve of the insulating sleeve operating rod with the sleeve at the upper end, an operator can hang or take the hook from the main guide line when standing on the ground, manual mounting is not required to be carried out, labor intensity is reduced, and operating efficiency and safety are improved.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The utility model is further described with the following drawings:

FIG. 1 is a three-dimensional structure schematic diagram of the utility model live-wire lapping large-section drainage wire operation device.

Fig. 2 is a schematic view of the hook of the utility model.

FIG. 3 is a perspective view of the clamping device for a drainage wire of the utility model.

Fig. 4 is a schematic structural view of components in the splint fixing frame of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without creative efforts, and all of them belong to the protection scope of the utility model.

In the following description, the terms such as "inner", "outer", "upper", "lower", "left", "right", etc., which indicate orientations or positional relationships, are used for convenience in describing embodiments and simplifying descriptions, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Example (b):

as shown in fig. 1 to 4, an electrified overlap joint large-section drainage wire operation device of 10kV line comprises a hook 1 hung on a main conductor, an insulating pulley 2 is arranged below the hook 1, an insulating rope 3 is arranged on the insulating pulley 2, a non-free end of the insulating rope 3 is connected with a drainage wire clamping device 4, a free end of the insulating rope 3 passes through the insulating pulley 2 to hang down, the hook 1 comprises an arc hook 101 on the upper part and side plates 102 positioned at two ends of the arc hook 101, a self-locking safety mechanism is arranged on the inner side of each side plate 102 and comprises a telescopic lug 103, and an accommodating groove 121 accommodating the telescopic lug 103 is arranged on each side plate 102.

Adopt above-mentioned device, ground operation personnel connect drainage wire clamping device 4 with 3 non-free ends of insulating rope earlier, 3 free ends of insulating rope pass insulating pulley 2, hang couple 1 that will have insulating pulley 2 and insulating rope 3 to the main lead on, press from both sides the drainage wire on clamping device and leave suitable overlap joint length again, pull down the free end of insulating rope 3, utilize the pulley action, pull up the drainage wire and reach the position department of main lead installation drainage wire, it is motionless then the drainage wire is fixed in suitable position to pull 3 free ends of insulating rope, carry out the overlap joint operation can, use the device in this embodiment can be more accurate more laborsaving send the drainage wire to the overlap joint position, and stabilize in this position department, the overlap joint of being more convenient for, the working strength is reduced, the efficiency is improved. Set up the auto-lock safety mechanism of above-mentioned structure on couple 1, couple 1 hangs the back on the main lead, scalable lug 103 on the both ends curb plate 102 stretches out to couple curb plate 102 inboard, in order to realize the auto-lock, lock the main lead in couple 1, avoid in operation process couple 1 to drop from the main lead under the exogenic action, the security performance has been improved, the potential safety hazard is reduced, when couple 1 is hung or takes off, the main lead passes scalable lug 103 in-process, to both sides extrusion lug, extrude scalable lug 103 to the holding tank 121 in, in order to pass through smoothly.

In order to enable an operator to stand on the ground to hang or take down the hook 1 on the main conductor, as shown in fig. 1 and 2, the hook 1 is provided with a dismounting hook 104 which is connected with the insulating sleeve operating rod 13 and is used for dismounting the hook 1 from the main conductor, the dismounting hook 104 is inserted into a sleeve of the insulating sleeve operating rod 13 with a sleeve at the upper end, the manual mounting is not required to be carried out, the labor intensity is reduced, and the operating efficiency and the safety are improved.

In order to make couple 1 and insulating pulley 2 detachable packing and use, couple 1 and insulating pulley 2 adopt detachable connected mode, the below of curb plate 102 is equipped with inserted bar 105, the both ends of insulating pulley 2 are equipped with backplate 5, be equipped with connecting block 6 between the backplate 5, be equipped with on the connecting block 6 with inserted bar 105 complex slot, inserted bar 105 inserts in the slot, and through bolt fixed connection, the both ends of bolt are worn out the backplate 5 outside respectively and are locked with nut 7, adopt above-mentioned connected mode, easy dismouting, firm in connection, be convenient for insulating rope 3 passes and slides, and couple 1 and insulating pulley 2 part back, be convenient for place, transportation and change, and the cost is saved, and the application range is enlarged.

In order to make the main conducting wire enter and exit more smoothly without being stuck or scratched, as shown in fig. 2, the retractable protrusion 103 is designed as an arc-shaped protrusion, the arc-shaped surface of the arc-shaped protrusion faces the inner side of the hook 1, the accommodating groove 121 comprises a rear wall 121a, a torsion spring 106 is arranged between the retractable protrusion 103 and the rear wall 121a, one end of the torsion spring 106 abuts against the retractable protrusion 103, the other end of the torsion spring 106 abuts against the rear wall 121a, the main conducting wire penetrates through the retractable protrusion 103 to compress the torsion spring 106 in the process of extruding, so as to generate torsion, and after entering, the torsion spring 106 releases the torsion force to recover, so as to drive the retractable protrusion 103 to pop up.

As shown in fig. 3, the drainage wire clamping device 4 comprises a splint fixing frame 41, in this embodiment, the non-free end of the insulating rope 3 is connected with the splint fixing frame 41 through a lock hanging piece 8 and a hanging ring 9, the splint fixing frame 41 comprises a front fixing plate 411 and a rear fixing plate 412, the front fixing plate 411 and the rear fixing plate 412 are connected through a bottom plate 413, the splint fixing frame 41 is provided with a olecranon splint 42 for fixing the drainage wire, the olecranon splint 42 protrudes out of the upper end of the splint fixing frame 41 and forms an angle of α with the front fixing plate 411, the drainage wire is clamped by using the olecranon splint 42, the position and angle of the overlapping end of the drainage wire are changed by changing the angle between the olecranon splint 42 and the front fixing plate 411, so as to better meet the requirement of overlapping operation, α is too small to not easy to generate a larger squeezing effect on the non-overlapping end of the drainage wire and the front fixing plate 411, which is not favorable for stabilizing the drainage wire, α is too small, the drainage wire can be easily tilted in opposite directions, through multiple operation tests, α is not less than 135 degrees, the clamping effect on the drainage wire, as shown in fig. 4, the drainage wire, the device comprises a wedge-shaped clamping device, a wedge-shaped clamping device is provided with a left clamping device, a wedge-shaped clamping device, a left clamping device is provided with a left clamping plate, a left clamping block 431, a right clamping block, a left clamping block, a right clamping block.

When the drainage wire needs to be clamped, the push block 45 is pushed upwards to extrude the lower ends of the first wedge-shaped fixed block 431 and the second wedge-shaped fixed block 432 to rotate outwards, the inclined plane of the first wedge-shaped fixed block 431 is tangent to the left inclined plane, the inclined plane of the second wedge-shaped fixed block 432 is tangent to the right inclined plane, the upper ends of the first wedge-shaped fixed block 431 and the second wedge-shaped fixed block 432 rotate inwards at the moment, the pressure spring 44 is compressed, the pressure spring 44 has elasticity, the left clamp plate 421 and the right clamp plate 422 are driven to rotate inwards to be clamped, the inclined plane of the first wedge-shaped fixed block 431 is tangent to the left inclined plane at the moment, the inclined plane of the second wedge-shaped fixed block 432 is tangent to the right inclined plane, the tangent abutting contact area of the inclined planes is large, the abutting is firmer, the loosening of the olecranon clamp plate 42 in the conveying or lapping operation process of the drainage wire, the precision is high, the clamping force is easier to adjust to a proper position, and the clamping effect is better; when the drainage wire needs to be loosened, the push block 45 is pulled downwards, after the push block 45 is separated from the lower ends of the first wedge-shaped fixing block 431 and the second wedge-shaped fixing block 432, the lower ends of the first wedge-shaped fixing block 431 and the second wedge-shaped fixing block 432 are separated from the constraint and become free ends, the upper ends of the first wedge-shaped fixing block 431 and the second wedge-shaped fixing block 432 rotate outwards under the action of the elastic force of the spring, and the left clamping plate 421 and the right clamping plate 422 are driven to rotate outwards to be loosened.

In order to further improve the opening and closing precision of the olecranon splint 42, as shown in fig. 4, the drainage wire clamping device 4 further comprises a tightening screw 46 for driving the push block 45 to move, the upper end of the tightening screw 46 penetrates through the bottom plate 413 to be connected with the push block 45, the tightening screw 46 adjusts the up-and-down movement of the push block 45 through the screwing of the tightening screw 46 to convert the circular movement into the linear movement, the precision is higher, the tightening screw 46 is in threaded connection with the bottom plate 413, the stability is high, and the sliding or shaking cannot occur, so that the stability of the push block 45 is ensured, the lower end of the tightening screw 46 is detachably and fixedly connected with the insulating operating rod 10, as shown in fig. 1, the hard insulating operating rod 10 is used below the drainage wire clamping device 4 to play a supporting role to prevent the lifting, the descending and the shaking caused by external force such as wind in the lapping process, in the embodiment, the insulating operating rod 10 is in tooth, the lower extreme of elasticity screw rod 46 is equipped with first spliced pole 47, the lower extreme of elasticity screw rod 46 and the cambered surface of first spliced pole 47 are connected, be equipped with first connection tooth on the terminal surface of first spliced pole 47, the upper end of insulating bar 10 is equipped with second spliced pole 11, the upper end of insulating bar 10 and the cambered surface of second spliced pole 11 are connected, be equipped with the second on the terminal surface of second spliced pole 11 and connect the tooth, first spliced pole 47 is connected with 11 teeth of second spliced pole, it is more firm to connect, can pass power better, with the position and the direction of controlling better and adjusting drainage line clamping device 4, first spliced pole 47 and second spliced pole 11 fasten through connecting screw rod 12, connecting screw rod 12 fastening is effectual, moreover, the steam generator is simple in structure, the dismouting of being convenient for.

The above description is only for the embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the description in the above embodiments and the accompanying drawings. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims (10)

1. The utility model provides a 10kV circuit live-line lap joint large cross-section drainage line operating means, is including hanging the couple on leading the line, its characterized in that, the couple below is equipped with insulating pulley, be equipped with insulating rope on the insulating pulley, drainage line clamping device is connected to insulating rope's non-free end, insulating rope's free end passes insulating pulley and hangs down, the couple includes the arc hook on upper portion and the curb plate that is located the arc hook both ends, the curb plate inboard is equipped with auto-lock safety mechanism, auto-lock safety mechanism includes scalable lug, be equipped with the holding tank that holds scalable lug on the curb plate.

2. The 10kV line live-lap joint large-section drainage wire operation device according to claim 1, wherein an insertion rod is arranged below the side plates, guard plates are arranged at two ends of the insulating pulley, a connecting block is arranged between the guard plates, a slot matched with the insertion rod is arranged on the connecting block, the insertion rod is inserted into the slot and fixedly connected through a bolt, and two ends of the bolt respectively penetrate out of the outer sides of the guard plates and are locked through nuts.

3. The live-lap joint large-section drainage wire operating device of claim 1, wherein the telescopic lug is an arc-shaped lug, the arc-shaped surface of the arc-shaped lug faces the inner side of the hook, the accommodating groove comprises a rear wall, a torsion spring is arranged between the telescopic lug and the rear wall, one end of the torsion spring abuts against the telescopic lug, and the other end of the torsion spring abuts against the rear wall.

4. The 10kV line live-lap large-section drainage wire operating device according to claim 1, wherein the drainage wire clamping device comprises a splint fixing frame, the splint fixing frame comprises a front fixing plate and a rear fixing plate, the front fixing plate and the rear fixing plate are connected through a bottom plate, the splint fixing frame is provided with an olecranon splint for fixing the drainage wire, the olecranon splint protrudes out of the upper end of the splint fixing frame and forms an α included angle with the front fixing plate, and the 90-degree- α degree is not less than 90 degrees and not more than 135 degrees.

5. The 10kV line live-lap joint large-section drainage wire operating device according to claim 4, wherein the olecranon clamping plate comprises a left clamping plate and a right clamping plate, a first wedge-shaped fixing block is arranged at the bottom of the left clamping plate, a second wedge-shaped fixing block is arranged at the bottom of the right clamping plate, the first wedge-shaped fixing block and the second wedge-shaped fixing block are downwards fixed between the front fixing plate and the rear fixing plate through pin shaft inclined planes, the inclined planes are oppositely arranged, the upper ends of the first wedge-shaped fixing block and the second wedge-shaped fixing block are connected through a pressure spring, a push block is arranged below the first wedge-shaped fixing block and the second wedge-shaped fixing block, and the olecranon clamping plate is loosened and clamped through.

6. The 10kV line live-lap large-section drainage wire operating device according to claim 5, wherein the upper part of the push block comprises a left inclined surface and a right inclined surface which are intersected, when the olecranon clamping plate is clamped, the inclined surface of the first wedge-shaped fixing block is tangent to the left inclined surface, and the inclined surface of the second wedge-shaped fixing block is tangent to the right inclined surface.

7. The live-line lap joint large-section drainage wire operating device of claim 5, wherein the drainage wire clamping device further comprises a tightening screw rod for driving the push block to move, and the upper end of the tightening screw rod penetrates through the bottom plate and is connected with the push block.

8. The live-line lap joint large-section drainage wire operating device of claim 7, wherein the lower end of the tightening screw is detachably and fixedly connected with the insulating operating rod.

9. The live-wire lap joint large-section drainage wire operating device of claim 8, characterized in that the lower end of the elastic screw is provided with a first connecting column, the lower end of the elastic screw is connected with the arc surface of the first connecting column, the end surface of the first connecting column is provided with first connecting teeth, the upper end of the insulating operating rod is provided with a second connecting column, the upper end of the insulating operating rod is connected with the arc surface of the second connecting column, the end surface of the second connecting column is provided with second connecting teeth, the first connecting column is connected with the second connecting column teeth, and the first connecting column and the second connecting column are fastened through the connecting screw.

10. The live lapping large-section drainage wire operating device of claim 1, wherein the hook is provided with a dismounting hook which is connected with an insulating sleeve operating rod and is used for dismounting the hook from the main drainage wire.

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