CN115085084A

CN115085084A - Lead fixing device for live-line maintenance

Info

Publication number: CN115085084A
Application number: CN202210797389.1A
Authority: CN
Inventors: 万玉超; 高金博; 宗晓; 金桂玥; 董庆远; 薛志伟; 滕淳先; 张文山; 于凯; 黄彭
Original assignee: Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Dezhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-09-20
Anticipated expiration: 2042-07-08
Also published as: CN115085084B

Abstract

In order to solve the problems of complicated working steps and inconvenient operation of connecting wires of a distribution network, the invention provides a lead fixing device for electrified maintenance, which comprises an insulating rod, a lead clamping assembly, a wire clamp clamping assembly and a screwing assembly, wherein the lead clamping assembly consists of a lead supporting plate, a fixed clamping part and a movable clamping part, the fixed clamping part and the movable clamping part are arranged above the lead supporting plate and are used for clamping leads, the wire clamp clamping assembly consists of a supporting seat, a clamping block, a wire clamp supporting plate and a track plate, the wire clamp supporting plate is horizontally and slidably connected with the track plate, the track plate is vertically and slidably connected with the supporting seat, springs and pull ropes are arranged between every two clamping assemblies, the screwing assembly consists of a screwing driving mechanism, a rotating shaft and a screwing cylinder, the rotating shaft and the screwing cylinder are driven by the screwing driving mechanism to rotate, so that a parallel groove clamp nut is screwed, and the clamping of the parallel groove clamp can be realized by a single insulating rod, Clamping of the lead and operation of tightening the bolt.

Description

Lead fixing device for live-line maintenance

Technical Field

The invention relates to the technical field of electric power overhaul devices, in particular to a lead fixing device for live overhaul.

Background

In joining in marriage net and connecing the lead wire operation, the method of using always is the insulator spindle operation method, and the insulator spindle operation method uses three insulator spindles, and insulator spindle centre gripping parallel groove clamp, an insulator spindle centre gripping wait to connect the lead wire, and the bolt is screwed up to another insulator spindle, owing to use three insulator spindles, consequently need two people's cooperation just can accomplish and connect the lead wire operation, and the operation process not only need carry a plurality of spare parts, and the efficiency of construction is low moreover.

Disclosure of Invention

In order to solve the problems, the invention provides a lead fixing device for live-line maintenance, which adopts the following technical scheme:

the utility model provides an electrified lead wire fixing device that overhauls, includes the insulator spindle, its characterized in that still includes:

the lead clamping assembly consists of a lead supporting plate, a fixed clamping part and a movable clamping part, one end of the lead supporting plate is fixedly connected with the insulating rod, the other end of the lead supporting plate is fixedly connected with the fixed clamping part, the movable clamping part is hinged with the middle part of the fixed clamping part, and a pre-tightening part is arranged between the movable clamping part and the fixed clamping part;

a wire clamp clamping component which consists of a supporting seat, a clamping block, a wire clamp supporting plate and a track plate, two ends of the supporting seat are respectively fixedly connected with the insulating rod and the clamping block, two extending parts are arranged on the clamping block, the extending parts are distributed towards one side far away from the supporting seat, the wire clamp supporting plate is positioned between the two extending parts, the track plate is connected above the supporting seat in a sliding way in the vertical direction, the track plate is positioned on one side, away from the extending part, of the clamping block, the wire clamp supporting plate penetrates through the clamping block and is horizontally connected with the track plate in a sliding mode, first springs distributed in the horizontal direction are arranged between the wire clamp supporting plate and the track plate, second springs distributed in the vertical direction are arranged between the track plate and the supporting seat, in addition, a first pull rope used for compressing the first springs is arranged between the wire clamp supporting plate and the insulating rod, and a second pull rope used for compressing the second springs is arranged between the track plate and the insulating rod;

the subassembly of screwing up, it comprises screwing up actuating mechanism, pivot, the section of thick bamboo of screwing up to screw up the subassembly, the pivot is rotated and is connected in lead wire layer board top, screw up a section of thick bamboo fixed connection in pivot top, screw up the inside cavity of a section of thick bamboo and upper end opening for with parallel groove clamp nut cooperation connection, in addition, it links to each other with the pivot transmission to screw up actuating mechanism, is used for driving the pivot and rotates.

Preferably, be provided with the spout that the horizontal direction runs through the distribution on the grip block, be close to the supporting seat fastener layer board one end is passed spout and fixedly connected with connecting plate, the connecting plate distributes in grip block one side of keeping away from the fastener layer board along perpendicular to track board, the one end fixedly connected with spring holder of grip block is kept away from to the track board, first spring both ends respectively with connecting plate and spring holder fixed connection, the supporting seat upper end is provided with the perpendicular groove down of vertical direction, and track board below fixedly connected with is along the guide bar of perpendicular groove sliding connection from top to bottom, the second spring both ends respectively with track board and supporting seat fixed and coaxial the setting in the guide bar outside.

Preferably, keep away from grip block one end on supporting seat top and the track board and be provided with first leading wheel, second leading wheel respectively, be provided with the wire rope handling hole that is used for first stay cord and second stay cord to pass on the supporting seat, first stay cord one end and connecting plate fixed connection, the other end passes in proper order and leads wire rope handling hole back along insulator spindle length direction distribution on second leading wheel, first leading wheel and the supporting seat, second stay cord one end and track board fixed connection, the other end passes behind the through-hole on the supporting seat along insulator spindle length direction distribution.

Preferably, one end of the insulating rod, which is far away from the supporting seat, is provided with a rope clamp for laterally limiting the first pull rope and the second pull rope, one end of the first pull rope and one end of the second pull rope are fixedly connected and then pass through the rope clamp, and the size of the limiting ball is larger than that of a through hole in the rope clamp through which the two pull ropes pass.

Preferably, the wire clamp supporting plate is provided with a sliding block, the track plate is provided with a long groove matched and slidably connected with the sliding block, and the wire clamp supporting plate is slidably connected with the track plate through the sliding block and the long groove.

Preferably, screw up actuating mechanism and constitute by ring gear, driving gear, driven gear and drive shaft, the ring gear rotates to be connected in lead wire layer board below, driving gear and driven gear tooth wheel mesh respectively and connect in ring gear outer wall and inner wall, the pivot lower extreme stretches into to ring gear inside and with the coaxial fixed connection of driven gear, drive shaft one end and the coaxial fixed connection of driving gear, the other end is located the insulator spindle and keeps away from fastener centre gripping subassembly one end.

Preferably, the drive shaft distributes along insulator spindle length direction, and the insulator spindle still is provided with a plurality of supports along length direction, and the drive shaft rotates with the support and links to each other, and drive shaft one end passes through the bearing and rotates with the lead wire layer board in addition and link to each other, other end fixedly connected with drive sleeve.

Preferably, an opening is formed in the upper end of the tightening barrel, a spring plate is arranged at the lower end of the tightening barrel, an inner hole matched with the wire clamp nut is formed in the tightening barrel, the spring plate is rotatably connected with the tightening barrel and the rotating shaft, a jacking spring is arranged between the spring plate and the lead supporting plate, and the jacking springs are coaxially distributed on the outer side of the rotating shaft.

Preferably, one side of the fixed clamping part, which is distributed opposite to the movable clamping part, is provided with a clamping arc, and the upper ends of the two clamping arcs are provided with a moving-out arc for moving out the lead to be connected.

The invention has the beneficial effects that:

1. the clamp insisting assembly clamps the parallel groove clamp by arranging the clamp supporting plate, the clamping block, the first spring and the second spring, and the clamping of the parallel groove clamp can be quickly realized by pulling the first pull rope and the second pull rope, so that the operation is convenient;

2. the tightening assembly drives the tightening cylinder to rotate through the driving mechanism, so that the parallel groove clamp nut is tightened, and the driving end of the driving shaft is located at the handheld end of the insulating rod, so that the operation of a constructor is facilitated;

3. insulator spindle upper portion sets up lead wire centre gripping subassembly, fastener centre gripping subassembly and screws up the subassembly, can realize the centre gripping of parallel groove clamp, the centre gripping of lead wire and the operation of screwing up the bolt through single insulator spindle, and the operating mode of single pole has effectively improved maintenance efficiency.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a front view of a lead clamping assembly

FIG. 3 is a top view of a lead clamping assembly

FIG. 4 is a front view of a wire clamp clamping assembly

FIG. 5 is a cross-sectional view of a wire clamp clamping assembly

FIG. 6 is a right side view of the clamping block

FIG. 7 is a right side assembly view of the clip pallet and track plate

FIG. 8 is a front view of the tightening assembly

FIG. 9 is a cross-sectional view of the tightening assembly

Fig. 10 is a bottom view of the lead carrier

FIG. 11 is a bottom view of the tightening drive mechanism

FIG. 12 is a top view of the tightening drive mechanism

FIG. 13 is a front view of the insulating rod

FIG. 14 is a schematic view of the clamp gripping assembly gripping a parallel groove clamp

FIG. 15 is a schematic view of the mating of a parallel groove clamp and a tightening assembly

FIG. 16 is a schematic view of a nut of the parallel groove clamp extending into a tightening barrel of a tightening assembly

FIG. 17 is a schematic view of the combination of a clamp holding assembly, tightening assembly and parallel groove clamp

FIG. 18 is a front view of a prior art parallel groove clamp

FIG. 19 is a left side view of a prior art parallel groove clamp

Wherein: 1-insulating rod, 11-support, 12-rope clamp, 2-support seat, 21-vertical groove, 22-rope-threading hole, 23-first guide wheel,

3-clamping block, 31-extension, 32-runner, 33-track plate, 331-housing, 332-second guide wheel, 34-wire clamp support plate, 341-connecting plate, 342-slider, 35-guide bar, 36-second spring, 37-first pull rope, 371-limit ball, 38-first spring, 381-spring seat, 382-side hole, 39-second pull rope, 4-lead support plate, 41-fixing ring, 42-fixing clamping part, 43-movable clamping part, 44-gear ring mounting part, 45-hinge shaft, 46-clamping arc, 47-removing arc, 48-first bearing, 49-second bearing,

5-screwing cylinder, 51-inner hole, 52-flaring, 53-inner ring, 54-spring plate, 55-connecting ring, 56-rotating shaft, 561-linkage part, 57-top spring, 58-limiting block, 6-gear ring, 61-driven gear, 62-shaft sleeve, 63-gear ring supporting ring, 64-driving gear, 65-driving shaft, 66-driving sleeve, 7-upper clamping block, 71-groove, 72-gasket, 73-bolt, 74-lower clamping block, 75-nut, 76-clamping cavity and 8-wire to be connected.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the invention, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention.

Fig. 18-19 are schematic structural diagrams of a special-shaped parallel groove clamp in the prior art, which includes an upper clamp block 7, a lower clamp block 74 and a bolt 73, a gasket 72 is disposed between the upper clamp block 7 and a nut of the bolt 73, a groove 71 is disposed at the bottom of the upper clamp block 7, a nut 75 is disposed on the bolt 73 below the lower clamp block 74, two clamping cavities are disposed between the upper and lower clamp blocks, one of the clamping cavities is used for clamping a distribution phase line, and the other clamping cavity is used for clamping a lead.

The lead fixing device for live-line maintenance shown in fig. 1-2 comprises an insulating rod 1, a lead clamping assembly, a wire clamp clamping assembly and a screwing assembly.

The lead clamping assembly is shown in fig. 1-3, and comprises a lead supporting plate 4, a fixed clamping portion 42 and a movable clamping portion 43, wherein the left end of the lead supporting plate 4 is fixedly connected with a fixed ring 41, the lead supporting plate 4 is fixedly connected with the upper part of an insulating rod 1 through the fixed ring 41, the fixed clamping portion 42 is fixedly connected above the right end of the lead supporting plate 4, the movable clamping portion 43 is hinged with the middle part of the fixed clamping portion 42 through a hinge shaft 45, clamping circular arcs 46 which are oppositely distributed are arranged on the inner side surfaces of the upper parts of the fixed clamping portion 42 and the movable clamping portion 43 and are used for clamping a lead to be connected, a pre-tightening piece is arranged between the fixed clamping portion 42 and the movable clamping portion 43, in the embodiment, the pre-tightening piece is a torsion spring, the pre-tightening piece is arranged so as to clamp the lead 8 to be connected between the fixed clamping portion 42 and the movable clamping portion 43, in addition, an arc shifting part 47 is arranged at the upper end contact surface of the clamping circular arcs 46 of the fixed clamping portion 42 and the movable clamping portion 43, move out circular arc 47 and centre gripping circular arc transitional coupling, the setting that moves out circular arc 47 is convenient for wait to connect lead 8 and move out fixed clamping part 42 and activity clamping part 43, and after screwing up the nut 75 of subassembly screw up parallel groove clamp, cancel the centre gripping of grip block 3 to the parallel groove clamp, draw insulator spindle 1 downwards for wait to connect lead 8 and pass and move out the roll-off between fixed clamping part 42 and the activity clamping part 43 after shifting out circular arc 47, thereby cancel the centre gripping of treating to connect lead 8.

The wire clamp clamping assembly is shown in fig. 4-7, and comprises a supporting seat 2, a clamping block 3, a track plate 33, and a wire clamp supporting plate 34, wherein the left end of the supporting seat 2 is fixedly connected with the upper part of the insulating rod 1, the supporting seat 2 is positioned above the wire leading supporting plate 4, the clamping block 3 is fixedly connected with the right end of the supporting seat 2, the upper and lower positions of the right end of the clamping block 3 are respectively provided with an extending part 31, the extending part 31 extends to the right side for a certain length distribution, the middle part of the clamping block 3 is provided with a sliding chute 32 which penetrates and is distributed from left to right, the track plate 33 is connected above the supporting seat 2 in a vertical sliding manner and is positioned at the left side of the clamping block 3, specifically, the right end of the track plate 33 extends into the sliding chute 32, the lower end of the track plate is fixedly connected with two guide rods 35 which are distributed in vertical directions, the upper end surface of the supporting seat 2 is provided with vertical grooves 21 which are distributed corresponding to the guide rods 35, the track plate 33 is connected above the supporting seat 2 in a vertical sliding manner through the guide rods 35 and the vertical grooves 21, the right end of the track plate 33 can move up and down in the sliding groove 32, the wire clamp supporting plate 34 is located between the two extending portions 31, the wire clamp supporting plate 34 is connected above the track plate 33 in a left-right sliding mode, a sliding block 342 is arranged on the lower end face of the wire clamp supporting plate 34, long grooves which are distributed in the left-right direction and matched with the sliding block 342 are formed in the upper end face of the track plate 33, and the wire clamp supporting plate 34 is connected above the track plate 33 in a left-right sliding mode through the sliding block 342 and the long grooves.

In addition, a connecting plate 341 is fixedly connected to the left end of the upper portion of the wire clamp supporting plate 34, the connecting plate 341 is distributed along the direction perpendicular to the wire clamp supporting plate 34 and is located on the left side of the clamping block 3, a spring seat 381 is fixedly connected to the left end of the upper portion of the rail plate 33, a first spring 38 is arranged between the connecting plate 341 and the spring seat 381, the length of the first spring 38 is distributed along the horizontal direction, the left end and the right end are respectively fixedly connected with the spring seat 381 and the connecting plate 341, the connecting plate 341 limits the left and right movement of the wire clamp supporting plate 34 and facilitates the connection of the first spring 38, a second spring 36 is coaxially arranged outside a guide post 35 between the rail plate 33 and the supporting seat 2, a first pulling rope 37 and a second pulling rope 39 are respectively arranged between the connecting plate 341 and the insulating rod 1, and between the rail plate 33 and the insulating rod 1, specifically, a rope passing hole 22 for the first pulling rope 37 and the second pulling rope 39 to pass through is arranged on the supporting seat 2, and the rope passing hole 22 is distributed up and down through the supporting seat 2, a first guide wheel 23 is arranged on the left side above the supporting seat 2, a second guide wheel 332 positioned on the left side of the spring seat 38 is arranged above the track plate 33, a shell 331 is arranged on the outer side of the second guide wheel 332, a side hole 382 for the first pull rope 37 to pass through is arranged on the spring seat 381, one end of the first pull rope 37 is fixedly connected with the connecting plate 341, the first pull rope passes through the inside of the first spring 38, the side hole 382, the second guide wheel 332, the first guide wheel 23 and the rope threading hole 22 in sequence and is distributed along the length direction of the insulating rod 1 and extends to the lower part of the insulating rod 1, one end of the second pull rope 39 is fixed with the lower end of the track plate 33, the other end of the second pull rope passes through the rope threading hole 22 and then extends to the lower part of the insulating rod 1 along the length direction of the insulating rod 1, a rope clamp 12 is arranged on the lower part of the insulating rod 1, the lower ends of the first pull rope 37 and the second pull rope 39 are fixedly connected together and then pass through the rope clamp 12 and are fixedly connected with a limit ball 371, spacing ball 371 is greater than the through-hole on the rope clip 12, and the two of first stay cord 37 and second stay cord 39 carries on spacingly through rope clip 12, avoids the stay cord to keep away from the insulator spindle, carries on spacingly to the stay cord in insulator spindle 1 length direction's position through spacing ball 371, makes things convenient for operating personnel pulling stay cord downstream moreover through spacing ball 371.

The tightening assembly is shown in fig. 8-12, and comprises a tightening barrel 5, a rotating shaft 56, and a tightening driving mechanism, wherein the rotating shaft 56 is provided with two sets, each set is rotatably connected above the lead supporting plate 4, the lower end surface of the lead supporting plate 4 is provided with two sets of first bearings 48, the lower portion of the rotating shaft 56 is rotatably connected with the lead supporting plate 4 through the first bearings 48, the lower end of the rotating shaft 56 extends out of the lower portion of the lead supporting plate 4 and is connected with the tightening driving mechanism, the upper end of the rotating shaft is fixedly connected with the tightening barrel 5, the tightening barrel 5 is a cylindrical shell with an open upper end, an inner hole 51 with a regular hexagonal structure is arranged inside the tightening barrel 5 and is used for being matched and connected with a nut 75, the upper end is a flared opening 52, a spring plate 54 is arranged below the tightening barrel, a connecting ring 55 is fixedly connected to the upper end surface of the spring plate 54, the lower end surface of the tightening barrel 5 is provided with annular grooves correspondingly distributed, the tightening barrel 5 is rotatably connected with the rotating shaft 56 through the annular grooves and the connecting ring 55, a circular hole which penetrates through the spring plate 54 up and down is formed in the middle of the spring plate 54, an inner ring 53 is connected in the circular hole in a coaxial rotating mode, the rotating shaft 56 is fixedly connected with the inner ring 53 along the circumferential direction and connected in a sliding mode along the axial direction, when the rotating shaft 56 rotates, the inner ring 53 is driven to rotate in the circular hole of the spring plate 54, when the rotating shaft 56 moves up and down along the axial direction, the inner ring 54 and the spring plate 54 synchronously move along the axial direction of the rotating shaft 56, the inner ring 53 and the spring plate 54 do not move in the axial direction, a jacking spring 57 is coaxially arranged on the outer side of the rotating shaft 56 between the spring plate 54 and the lead supporting plate 4, the upper end and the lower end of the jacking spring 57 are respectively connected with the spring plate 54 and the lead supporting plate 4, and the spring plate 54 is jacked on the lower end face of the tightening barrel 5 through the jacking spring 57.

The tightening driving mechanism comprises a gear ring 6, a driving gear 64, driven gears 61 and a driving shaft 65, specifically, the lower end face of the middle part of the lead supporting plate 4 is provided with a gear ring installation part 44, the ring 6 is rotatably connected below the gear ring installation part 44 through a gear ring supporting ring 63, two groups of the driven gears 61 are arranged and are respectively coaxially and fixedly connected with the two rotating shafts 56, the inner wall and the outer wall of the gear ring 6 are respectively provided with meshing teeth, the two driven gears 61 are meshed and connected with the inner teeth of the gear ring 6, the driving gear 64 is meshed and connected with the outer teeth of the gear ring 6, the length of the driving shaft 65 is distributed along the length direction of the insulating rod 1, the upper end of the driving shaft 65 is rotatably connected with the lead supporting plate 4 through a second bearing 49, the driving shaft 65 is coaxially and fixedly connected with the driving gear 64, as shown in figure 13, the side wall of the insulating rod 1 is uniformly provided with a plurality of supports 11 from top to bottom, the driving shaft 65 is rotatably connected with the supports 11 to limit and rotatably guide the driving shaft 65, the lower extreme of drive shaft 65 then is located the lower part of insulator spindle 1, and coaxial fixedly connected with drive cover 66 is provided with regular hexagon hole structure on the terminal surface under the drive cover 66, and is convenient fixed with electric spanner to drive shaft 65 through electric spanner and rotate.

In addition, one end, namely the upper end, of the rotating shaft 56 close to the tightening barrel 5 is circular, one end rotatably connected with the lead supporting plate 4 is a linkage part 561 with a regular hexagon-shaped cross section, the lower end of the linkage part 561 is fixedly connected with a limiting block 58, and the limiting block 58 is located below the driven gear 61 and the gear ring 6 and used for achieving axial limiting of the rotating shaft 56.

The working principle of the device is as follows:

as shown in fig. 14-16, the parallel groove clamp is placed between the two extensions 31 of the clamping block 3, and the right end of the clamp supporting plate 34 extends into the groove at the bottom of the upper clamping block 7 of the parallel groove clamp, the upper clamping block 7 is dragged by the clamp supporting plate 34, under the action of the second spring 36, the clamp supporting plate 34 drags the upper clamping block 7 to contact with the upper extension 31, the lower clamping block 74 contacts with the lower extension 31, so that clamping of the parallel groove clamp is realized by the clamping block 3, at this time, the tightening cylinder 5 aligns the nut 75 on the parallel groove clamp, the nut 75 enters the inner hole 51 of the tightening cylinder 5, the terminal of the lead to be connected is placed in one of the clamping cavities 76 of the parallel groove clamp, as shown in fig. 17, the lead to be connected is clamped by the clamping arcs 46 on the fixed clamping portion 42 and the movable clamping portion 43, the lower end of the hand-held insulating rod 1 lifts the parallel groove clamp and the lead to be connected 8 to be close to correspond, so that the phase line slides into another clamping cavity 76, then, an electric wrench is inserted into the driving sleeve 66 to drive the driving shaft 65 to rotate, further drive the driving gear 64 to drive the gear ring 6, the driven gear 61 and the rotating shaft 56 to rotate, the rotating shaft 56 drives the tightening cylinder 5 to rotate, finally, the nut 75 is tightened through the tightening cylinder 5 until the clamping cavity 76 gradually becomes smaller to clamp the phase line and the lead 8 to be connected, when the upper clamping block 7 and the lower clamping block 74 clamp the lead 8 to be connected and the phase line, the second pull rope 39 is pulled, the track plate 33 moves downwards, the first pull rope 37 is pulled, the wire clamp supporting plate 34 moves out of the parallel groove clamp, when the clamping block 3 cancels the clamping of the parallel groove clamp, the insulation rod 1 is pulled downwards to slide out the lead 8 to be connected from the fixed clamping part 42 and the movable clamping part 43 after passing through the shifting-out arc 47, the clamping of the lead clamping component to be connected is cancelled, and finally, the driving shaft 65 is continuously driven to rotate through the electric wrench, until the nut 75 is tightened, the upper and

lower clamping blocks

7 and 74 cooperate to clamp the phase and lead wires 8 to be connected.

Can withdraw the centre gripping to the parallel groove clamp through dragging first stay cord 37 and second stay cord 39, can realize fast through electric spanner or other actuating mechanism and operate the screwing up of parallel groove clamp nut, easy operation only needs an insulator spindle can realize the centre gripping of parallel groove clamp, the centre gripping of waiting to connect the lead wire and the operation of screwing up the bolt.

The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications can be made without departing from the principles of the invention and these modifications are to be considered within the scope of the invention.

Claims

1. The utility model provides an electrified lead wire fixing device that overhauls, includes the insulator spindle, its characterized in that still includes:

the wire clamp clamping component is positioned above the lead clamping component and consists of a supporting seat, a clamping block, a wire clamp supporting plate and a track plate, two ends of the supporting seat are respectively fixedly connected with the insulating rod and the clamping block, two extending parts are arranged on the clamping block, the extending parts are distributed towards one side far away from the supporting seat, the wire clamp supporting plate is positioned between the two extending parts, the track plate is connected above the supporting seat in a sliding way in the vertical direction, the track plate is positioned on one side, away from the extending part, of the clamping block, the wire clamp supporting plate penetrates through the clamping block and is horizontally connected with the track plate in a sliding mode, first springs distributed in the horizontal direction are arranged between the wire clamp supporting plate and the track plate, second springs distributed in the vertical direction are arranged between the track plate and the supporting seat, in addition, a first pull rope used for compressing the first springs is arranged between the wire clamp supporting plate and the insulating rod, and a second pull rope used for compressing the second springs is arranged between the track plate and the insulating rod;

the subassembly of screwing up, it comprises tightening actuating mechanism, pivot, the section of thick bamboo of screwing up to tighten the subassembly, the pivot is rotated and is connected in lead wire layer board top, tighten a section of thick bamboo fixed connection in pivot top, tighten inside cavity of a section of thick bamboo and upper end opening for with parallel groove clamp nut cooperation connection, in addition, it links to each other with the pivot transmission to tighten actuating mechanism for it rotates to drive the pivot.

2. The lead fixing device for the live overhaul of claim 1, wherein a sliding groove is formed in the clamping block and penetrates through the clamping block in the horizontal direction, one end, close to the supporting seat, of the wire clamp supporting plate penetrates through the sliding groove and is fixedly connected with a connecting plate, the connecting plate is distributed on one side, far away from the clamping block supporting plate, of the rail plate along a direction perpendicular to the rail plate, a spring seat is fixedly connected with one end, far away from the clamping block, of the rail plate, two ends of the first spring are fixedly connected with the connecting plate and the spring seat respectively, a vertical groove in the vertical direction is formed in the upper end of the supporting seat, a guide rod is fixedly connected with the lower portion of the rail plate in a vertical sliding mode along the vertical groove, and two ends of the second spring are fixedly and coaxially arranged outside the guide rod with the rail plate and the supporting seat respectively.

3. The lead fixing device for live-line maintenance according to claim 2, wherein a first guide wheel and a second guide wheel are respectively disposed above the supporting seat and at one end of the rail plate, which is far from the clamping block, the supporting seat is provided with rope-threading holes for the first rope and the second rope to pass through, one end of the first rope is fixedly connected to the connecting plate, the other end of the first rope passes through the second guide wheel, the first guide wheel and the rope-threading holes in the supporting seat in sequence and then is distributed along the length direction of the insulating rod, one end of the second rope passes through the through hole in the supporting seat and then is distributed along the length direction of the insulating rod, and one end of the second rope passes through the through hole in the supporting seat and then is distributed along the length direction of the insulating rod.

4. The lead fixing device for live-line maintenance according to claim 3, wherein one end of the insulating rod, which is far away from the support base, is provided with a rope clamp for laterally limiting the first pull rope and the second pull rope, one end of the first pull rope and one end of the second pull rope are fixedly connected and then pass through the rope clamp, and a limiting ball is fixedly connected, and the size of the limiting ball is larger than that of a through hole in the rope clamp through which the two pull ropes pass.

5. The lead fixing device for live overhaul according to claim 2, wherein the wire clamp supporting plate is provided with a sliding block, the track plate is provided with an elongated slot which is matched and slidably connected with the sliding block, and the wire clamp supporting plate is slidably connected with the track plate through the sliding block and the elongated slot.

6. The lead fixing device for electrified overhaul according to claim 1, wherein the tightening driving mechanism comprises a gear ring, a driving gear, a driven gear and a driving shaft, the gear ring is rotatably connected below the lead supporting plate, the driving gear and the driven gear are respectively engaged and connected to the outer wall and the inner wall of the gear ring, the lower end of the rotating shaft extends into the gear ring and is coaxially and fixedly connected with the driven gear, one end of the driving shaft is coaxially and fixedly connected with the driving gear, and the other end of the driving shaft is located at one end of the insulating rod, which is far away from the wire clamp clamping assembly.

7. The lead fixing device for live overhaul according to claim 6, wherein the driving shaft is distributed along the length direction of the insulating rod, the insulating rod is further provided with a plurality of supports along the length direction, the driving shaft is rotatably connected with the supports, one end of the driving shaft is rotatably connected with the lead supporting plate through a bearing, and the other end of the driving shaft is fixedly connected with the driving sleeve.

8. The lead fixing device for electrified overhaul according to claim 1, wherein the tightening cylinder is provided with an opening at the upper end and a spring plate at the lower end, an inner hole matched with a wire clamp nut is formed in the tightening cylinder, the spring plate is rotatably connected with the tightening cylinder and the rotating shaft, a jacking spring is arranged between the spring plate and the lead supporting plate, and the jacking springs are coaxially distributed outside the rotating shaft.

9. The lead fixing device for live overhaul according to claim 1, wherein one side of the fixed clamping portion, which is opposite to the movable clamping portion, is provided with clamping arcs, and the upper ends of the two clamping arcs are provided with moving-out arcs for moving out a lead to be connected.