CN119154154A - Insulator replacement matched tool capable of carrying out live working - Google Patents

Insulator replacement matched tool capable of carrying out live working Download PDF

Info

Publication number
CN119154154A
CN119154154A CN202411368758.0A CN202411368758A CN119154154A CN 119154154 A CN119154154 A CN 119154154A CN 202411368758 A CN202411368758 A CN 202411368758A CN 119154154 A CN119154154 A CN 119154154A
Authority
CN
China
Prior art keywords
clamping plate
insulator
wire
rod
upper clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202411368758.0A
Other languages
Chinese (zh)
Other versions
CN119154154B (en
Inventor
李朋
李龙
张琪
王健
王洋
刘骥
吴毅
童丽萍
漆建毅
黄霄
宁磊涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hami Power Supply Co of State Grid Xinjiang Electric Power Co Ltd
Original Assignee
Hami Power Supply Co of State Grid Xinjiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hami Power Supply Co of State Grid Xinjiang Electric Power Co Ltd filed Critical Hami Power Supply Co of State Grid Xinjiang Electric Power Co Ltd
Priority to CN202411368758.0A priority Critical patent/CN119154154B/en
Publication of CN119154154A publication Critical patent/CN119154154A/en
Application granted granted Critical
Publication of CN119154154B publication Critical patent/CN119154154B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Landscapes

  • Electric Cable Installation (AREA)

Abstract

The invention discloses an insulator replacement matched tool capable of carrying out live working, which relates to the technical field of pole tower insulator replacement and comprises two cross arms fixedly arranged on a pole tower, wherein two insulator strings are fixedly arranged on the two cross arms, each insulator string is fixedly connected with an electric wire, and the insulator replacement matched tool further comprises a fixing part, a hoisting part and a stay wire part. The invention has the advantages that the invention integrates the binding, lifting and wire tensioning of the insulator string, adopts the spliced assembly mode, has strong functionality and convenient carrying, can keep the operating personnel outside the safe distance in the replacement process, has higher operation safety, does not need to detach the fixing part for reinstallation, effectively improves the replacement efficiency, and simultaneously adopts the rotatable suspender to freely adjust the position of the operating rod in a limited space, thereby being convenient for the operating personnel to operate and having wider application range.

Description

Insulator replacement matched tool capable of carrying out live working
Technical Field
The invention relates to the technical field of insulator replacement of towers, in particular to an insulator replacement matched tool capable of carrying out live working.
Background
An insulator is an assembly for electric power systems and devices, and has a main function of isolating a conductive part from the ground or other conductive parts to prevent current leakage and short circuit, an insulator string is a structure formed by connecting a plurality of insulators together, and is mainly used in high-voltage transmission lines, and has a main function of providing sufficient electrical insulation, supporting the weight of a wire, ensuring the safety and stability of the electric power system, and possibly degrading or damaging the insulator string with the passage of time and the influence of the environment, thus requiring periodic replacement of the insulator string with a specific insulation tool.
If publication number CN117134248A discloses a pair strain insulator string replacement tool, it includes holds in palm bottle cloth, first guiding mechanism and second guiding mechanism, the bottle cloth left and right sides of holding in the palm be provided with first guiding mechanism and second guiding mechanism, first guiding mechanism and second guiding mechanism be connected with holding in the palm bottle cloth through the stay cord, first guiding mechanism and second guiding mechanism outside be provided with first fixture and second fixture respectively.
In use, after an operator reaches a designated position, a first adjusting mechanism is fixed on a cross arm end connecting plate through a first clamp, a second adjusting mechanism is fixed on a lead end connecting plate through a second clamp, namely, the installation work is completed, then the first adjusting mechanism and the second adjusting mechanism are used for unfolding bottle supporting cloth through pull ropes respectively, the bottle supporting cloth is tightly attached to an insulator string through a lifting translation mechanism and an angle adjusting mechanism, the whole insulator string is supported, and accordingly replacement work of a single piece or the whole insulator string of the duplex tension insulator is carried out.
This change instrument can effectually prevent the probability that the insulator dropped to improve the security that the insulator chain was changed, but this instrument when using, need cooperate other instrument that are used for changing the insulator chain to use, like the connection fixing tool of electric wire and insulator chain instrument of putting down etc. applicable instrument is more, carries the degree of difficulty greatly, secondly, if need change the insulator chain of cross arm both sides, need adjust the position of connection fixing tool, and the refastening leads to changing efficiency greatly reduced, has adopted electrical equipment such as cylinder, hoist engine and motor in this instrument simultaneously, has great potential safety hazard.
Therefore, the novel live-wire insulator replacement matched tool can be adopted to solve the defects in the prior art.
Disclosure of Invention
The invention aims to solve the problems of low replacement efficiency and high carrying difficulty in the prior art, and provides an insulator replacement matched tool capable of carrying out live working.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a kit is changed to insulator that can live working, includes two cross arms of fixed mounting on the shaft tower, two equal fixed mounting has two insulator strings on the cross arm, equal fixedly connected with electric wire on every insulator string still includes fixed part, hoist and mount portion and guy wire portion.
The utility model discloses a cable fixing device for fixing a pair of cross arms, including fixing the whole appurtenance, fixing portion is used for fixing between two cross arms, stability when improving the instrument and uses, fixing portion includes locking subassembly and punch holder two, hoisting portion includes fixed block on punch holder two, hoisting portion is including binding subassembly and handling subassembly, bind the subassembly and be used for binding the insulator string, prevent that the insulator string from dropping, handling subassembly is used for carrying out the handling to the insulator string and puts down, guy portion is including installing the subassembly of acting as go-between on the fixed block for take up the electric wire, make and keep loose state between insulator string and the electric wire.
Preferably, the locking assembly comprises a first upper clamping plate, an adjusting mechanism is arranged between the first upper clamping plate and the second upper clamping plate, a first lower clamping plate and a second lower clamping plate are respectively arranged on the first upper clamping plate and the second upper clamping plate through two elastic telescopic rods, and two telescopic pipes are fixedly arranged between the first upper clamping plate and the second upper clamping plate and between the first lower clamping plate and the second lower clamping plate.
Preferably, the adjusting mechanism comprises a screw rod rotatably arranged on the first upper clamping plate, a nut is rotatably arranged on the screw rod in a threaded manner, a disc is fixedly arranged on the nut, the disc is fixedly connected with the second upper clamping plate through a plurality of supporting rods, and a driving structure is arranged between the first lower clamping plate and the screw rod.
Preferably, the driving structure comprises a connecting telescopic rod rotatably arranged on the first lower clamping plate, the telescopic end of the connecting telescopic rod is connected with the screw rod through a bevel gear set, and one end, far away from the bevel gear set, of the connecting telescopic rod is fixedly provided with a butt joint rod through a bolt.
Preferably, the handling subassembly includes the strap, strap bottom fixed mounting has two draw-in columns, set up two draw-in grooves with corresponding draw-in column matched with on the fixed block, rotate on the strap and install the carousel, rotate on the carousel and install the go-between, fixed mounting has the jib on the go-between, rotate on the jib and install the action bars.
Preferably, the binding assembly comprises a fixed ring fixedly installed on the suspender, a steel wire rope is fixedly connected to the fixed ring, a connector is fixedly connected to the steel wire rope, a self-locking hook is rotatably installed on the connector, and a binding rope is hung on the self-locking hook.
Preferably, the stay wire assembly comprises two adjusting telescopic rods which are slidably mounted on a fixed block, a moving block matched with the cross arm is fixedly mounted at the telescopic ends of the two adjusting telescopic rods, a first hook is fixedly mounted on the moving block and the fixed block, a second hook is rotatably mounted on the moving block, the stay wire assembly further comprises a connecting middle arm, the connecting middle arm is connected with the first hook and the second hook through locking buckles, a chain ring on the connecting middle arm is connected with a threaded rod, a threaded cylinder is rotatably mounted on the threaded rod, a rotating ring is rotatably mounted on the threaded cylinder, a circular ring is fixedly mounted on the threaded rod, a U-shaped clamp is fixedly mounted on the circular ring and the rotating ring, and clamping mechanisms matched with electric wires are mounted on the two U-shaped clamps.
Preferably, the clamping mechanism comprises an upper clamping block fixedly arranged on the upper portion of the U-shaped clamp, a lower clamping block matched with the upper clamping block is slidably arranged on the lower portion of the U-shaped clamp, and a limiting structure and a lifting structure are arranged between the lower clamping block and the U-shaped clamp.
Preferably, the limiting structure comprises two limiting rods fixedly mounted on the lower clamping block, and two limiting through holes matched with the corresponding limiting rods are formed in the bottom of the U-shaped clamp.
Preferably, the lifting structure comprises a threaded sleeve fixedly arranged at the bottom of the U-shaped clamp, a screw rod in threaded connection with the threaded sleeve is rotatably arranged on the lower clamping block, a round hole for the screw rod to pass through is formed in the U-shaped clamp, and an adjusting ring is fixedly arranged at the bottom of the screw rod.
Compared with the prior art, the invention has the advantages that:
1. This change appurtenance can change the operation outside the safe distance in specific use, has higher security, adopts the assembled mode of concatenation simultaneously, has and carries conveniently, easy operation's advantage, still collects insulator string simultaneously and bindes handling and wire tensioning in an organic whole, and the functionality is stronger.
2. This change appurtenance adopts lead screw and nut to adjust the interval between punch holder one and the punch holder two in specific use, makes punch holder one and punch holder two card between two cross arms, and stability is higher, can freely change the direction of jib simultaneously, and the operating space that supplies operating personnel is bigger, and the security is higher.
3. This change appurtenance is in concrete use, through setting up the regulation telescopic link, the position of adjustable movable block makes couple on the movable block lie in the coplanar with the electric wire, can ensure like this that the electric wire keeps fixed state in this horizontal plane, avoids appearing the electric wire skew and leads to the condition emergence that insulator string can't dismantle, still need not dismantle the fixed part and install again simultaneously, effectual improvement change efficiency.
In summary, the invention integrates the binding, lifting and wire tensioning of the insulator string, adopts the spliced assembly mode, has strong functionality and convenient carrying, can keep the operating personnel outside the safe distance in the replacement process, has higher operation safety, does not need to detach the fixing part for reinstallation, effectively improves the replacement efficiency, and simultaneously adopts the rotatable suspender to freely adjust the position of the operating rod in a limited space, thereby being convenient for the operating personnel to operate and having wider application range.
Drawings
The invention is described in further detail below with reference to the attached drawing figures, wherein:
FIG. 1 is a schematic diagram of a live working tool for replacing an insulator according to the present invention;
FIG. 2 is a schematic detail view of the structure of FIG. 1 with the tower, cross arms and insulator string removed and rotated through a certain angle;
FIG. 3 is a schematic detail view of the structure of FIG. 2 rotated by a certain angle;
FIG. 4 is a schematic detail view of the construction of FIG. 3 with the boom, middle arm attached, lever and threaded rod removed;
FIG. 5 is an enlarged schematic detail view of the docking rod of FIG. 4;
FIG. 6 is a schematic detail view of the construction of FIG. 4 with the docking rod removed;
FIG. 7 is a schematic detailed view of the structure of FIG. 6 rotated by a certain angle;
FIG. 8 is a schematic detail view of the upper clamping plate I, the lower clamping plate I and the elastic telescopic rod I in FIG. 7 in a plane structure along one angle;
FIG. 9 is a schematic detail view of the perspective view of FIG. 8 taken along section A-A;
FIG. 10 is a schematic detail view of the boom, connecting middle arm, lever and threaded rod of FIG. 3;
FIG. 11 is an enlarged schematic detail view of the retaining ring and its attachment members of FIG. 10;
FIG. 12 is an enlarged schematic detail view of the connecting middle arm, threaded rod, fixed block and moving block of FIG. 3;
FIG. 13 is an enlarged schematic detail view of the movable block of FIG. 12 rotated by a certain angle;
fig. 14 is an enlarged schematic detail view of the threaded rod of fig. 12 and other components connected thereto.
In the drawing, a pole tower, a2 cross arm, a3 insulator chain, a4 upper clamping plate I, a5 opposite connecting rod, a 6 electric wire, a 7 suspender, an 8 connecting middle arm, a 9 fixing ring, a 10 operating rod, an 11 threaded rod, a 12 lower clamping plate I, a 13 upper clamping plate II, a 14 lower clamping plate II, a 15 clamping plate, a 16 fixing block, a 17 moving block, a 18 elastic telescopic rod I, a 19 screw rod, a 20 adjusting telescopic rod, a 21 connecting telescopic rod, a 22 bevel gear group, a 23 nut, a 24 supporting rod, a 25 elastic telescopic rod II, a 26 clamping column, a 27 lapping plate, a 28 turntable, a 29 steel wire rope, a 30 connector, a 31 self-locking hook, a 32 binding rope, a 33 hooking first, a 34 hooking second, a 35 rotating ring, a 36U-shaped clamp, a 37 upper clamping block, a 38 lower clamping block, a 39 screw rod, a 40 threaded sleeve, a 41 adjusting ring, a 42 limiting rod and a 43 telescopic pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, an insulator replacement kit capable of live working comprises two cross arms 2 fixedly installed on a pole tower 1, wherein two insulator strings 3 are fixedly installed on the two cross arms 2, and an electric wire 6 is fixedly connected to each insulator string 3.
The tower 1, the cross arm 2, the insulator string 3 and the electric wire 6 are all existing devices, which are not specifically described herein, wherein a gap is left between the cross arm 2 and the tower 1, but not in a close contact state, and are of an existing design, the insulator string 3 and the cross arm 2 are fixed by positioning M pins, and the positioning M pins can be taken out by pin pulling clamps (the pin pulling clamps are existing tools, which are not specifically described herein).
The second embodiment is different from the first embodiment in the technical scheme that referring to fig. 1-9, the replacement matched tool further comprises a fixing part, a hoisting part and a stay wire part fixing part, wherein the fixing part is used for fixing the whole matched tool between two cross arms 2, so that the stability of the tool in use is improved, and the fixing part comprises a locking assembly and a second upper clamping plate 13;
The locking assembly comprises a first upper clamping plate 4, an adjusting mechanism is arranged between the first upper clamping plate 4 and a second upper clamping plate 13, a first lower clamping plate 12 and a second lower clamping plate 14 are respectively arranged on the first upper clamping plate 4 and the second upper clamping plate 13 through two elastic telescopic rods 18, two telescopic pipes 43 are fixedly arranged between the first upper clamping plate 4 and the second upper clamping plate 13 and between the first lower clamping plate 12 and the second lower clamping plate 14, and the end faces of the first upper clamping plate 4, the first lower clamping plate 12, the second upper clamping plate 13 and the second lower clamping plate 14 are L-shaped.
A plurality of storage grooves are formed in the first upper clamping plate 4, an elastic telescopic rod two 25 is fixedly arranged in each storage groove, a clamping plate 15 is fixedly arranged at the telescopic ends of the elastic telescopic rods two 25, the end faces of the clamping plates 15 are similar to a trapezoid, a gap between the first upper clamping plate 4 and the clamping plates 15 is aligned with the cross arm 2, the first upper clamping plate 4 is pressed downwards, under the action of pressure, the clamping plates 15 are automatically separated from the first upper clamping plate 4, the cross arm 2 is clamped through the elastic telescopic rods two 25, the first lower clamping plate 12 is pulled downwards, the elastic telescopic rods 18 are extended until the cross arm 2 is clamped by the first lower clamping plate 12 and the first upper clamping plate 4, the side edges of the first upper clamping plate 4 and the side edges of the first lower clamping plate 12 are kept to be attached to the cross arm 2, and at the moment, the second lower clamping plate 14 and the first lower clamping plate 12 are driven to synchronously move under the action of the telescopic tubes 43, and primary locking of the first upper clamping plate 4 and the first lower clamping plate 12 is completed.
The adjusting mechanism comprises a screw rod 19 rotatably arranged on the first upper clamping plate 4, a nut 23 is rotatably arranged on the screw rod 19 in a threaded manner, a disc is fixedly arranged on the nut 23, the disc is fixedly connected with the second upper clamping plate 13 through a plurality of supporting rods 24, and a driving structure is arranged between the first lower clamping plate 12 and the screw rod 19.
The drive structure is including rotating the connection telescopic link 21 of installing on the first 12 of lower plate, be connected through bevel gear group 22 between connection telescopic link 21 flexible end and the lead screw 19, bevel gear group 22 has two bevel gears to constitute, fixed connection between one of them bevel gear and the lead screw 19, another bevel gear bottom fixed mounting has the cylinder, rotates between cylinder and the first 4 of upper plate to be connected, cylinder and the flexible end fixed connection of connection telescopic link 21 can guarantee like this that two bevel gears of bevel gear group 22 can not make when connecting telescopic link 21 extension separate.
The one end of connecting telescopic link 21 far away from bevel gear group 22 is through bolt fixed mounting having docking rod 5, and before going on installing to upper plate one 4, lower plate one 12, upper plate two 13 and lower plate two 14, it is on connecting telescopic link 21 to need to adorn docking rod 5, and pulling lower plate one 12 removes and is pulling through docking rod 5, rotates between connecting telescopic link 21 and the lower plate one 12 to be connected, can drive lower plate one 12 and remove, also does not influence the rotation of connecting telescopic link 21.
The butt rod 5 is rotated immediately, when the butt rod 5 is rotated, the butt rod 5 is required to be pressed upwards, so that the first lower clamping plate 12 is always pressed against the bottom of the cross arm 2, the first lower clamping plate 12 is prevented from being separated from the cross arm 2, the butt rod 5 rotates to drive the connecting telescopic rod 21 to rotate (along with the increase of the distance between the first upper clamping plate 4 and the first lower clamping plate 12, the connecting telescopic rod 21 is also lengthened), the screw rod 19 is driven to rotate by the bevel gear set 22, the screw rod 19 rotates to drive the nut 23 to move on the screw rod 19, the second upper clamping plate 13 and the second lower clamping plate 14 are driven to move towards the side far away from the first upper clamping plate 4 by the supporting rod 24, and the supporting assembly of the tool is completed until the second upper clamping plate 13 and the second lower clamping plate 14 are clamped by the other cross arm 2 (the first upper clamping plate 4 and the first lower clamping plate 12 are required to be always tightly attached to the side of the cross arm 2, and the second upper clamping plate 14 are ensured to be smoothly clamped by the other cross arm 2 when the upper clamping plate 13 and the second clamping plate 14 are moved.
The third embodiment is different from the second embodiment in the technical scheme that referring to fig. 1, 10-11, the hoisting part comprises a binding assembly and a hoisting assembly, the binding assembly is used for binding the insulator string 3, the insulator string 3 is prevented from falling, and the hoisting assembly is used for hoisting and lowering the insulator string 3.
The lifting assembly comprises a butt strap 27, two clamping columns 26 are fixedly arranged at the bottom of the butt strap 27, two clamping grooves matched with the corresponding clamping columns 26 are formed in the fixed block 16, a rotary table 28 is rotatably arranged on the butt strap 27, a connecting ring is rotatably arranged on the rotary table 28, a hanging rod 7 is fixedly arranged on the connecting ring, and an operating rod 10 is rotatably arranged on the hanging rod 7.
After the fixing part is installed, the hanging rod 7 is held by hand, the clamping post 26 is inserted into the corresponding clamping groove, the hanging rod 7 is installed, the operating rod 10 is installed at one end of the hanging rod 7 and connected through the buckle, the operating rod 10 can be freely detached and connected with the buckle in a rotating mode, after the hanging rod 7 is installed, the buckle on the operating rod 10 is sleeved on the hanging rod 7, when the hanging rod 7 is pressed down, force perpendicular to the hanging rod 7 needs to be applied to the operating rod 10, therefore, when the hanging rod 7 is driven to rotate around the rotating disc 28, the buckle is ensured to be sleeved on the hanging rod 7 all the time, detachment of the buckle from the hanging rod 7 is avoided, and meanwhile, the purpose that the operating rod 10 is connected with the hanging rod 7 through the buckle is achieved, and the purpose that the operating rod 10 is convenient to detach and rotate the direction of the hanging rod 7 is achieved.
The binding assembly comprises a fixed ring 9 fixedly arranged on the suspender 7, a steel wire rope 29 is fixedly connected to the fixed ring 9, a connector 30 is fixedly connected to the steel wire rope 29, a self-locking hook 31 is rotatably arranged on the connector 30, and a binding rope 32 is hung on the self-locking hook 31.
The binding rope 32 of the mulberry from the lock hook 31 bypasses the insulator string 3 from the lower part of the insulator string 3, then the wound end is clamped in the self-locking hook 31, and when the binding rope 32 is bound, the binding rope 32 needs to be divided into two strands to bind the two ends of the insulator string 3, so that the stability of the insulator string 3 in lifting can be effectively improved.
The fourth embodiment is different from the third embodiment in that, referring to fig. 1-3 and fig. 12-14, the wire pulling part includes a wire pulling assembly mounted on a fixing block 16, and is used for tensioning the electric wire 6, so that the insulator string 3 and the electric wire 6 are kept in a loose state.
The stay wire assembly comprises two adjusting telescopic rods 20 which are slidably arranged on a fixed block 16, the telescopic ends of the two adjusting telescopic rods 20 are fixedly provided with a moving block 17 which is matched with the cross arm 2 together, the moving block 17 and the fixed block 16 are fixedly provided with a first hook 33, and the moving block 17 is rotatably provided with a second hook 34;
The movable block 17 adopts an L shape, so that when the movable block 17 moves, the L shape can be attached to the upper surface and the side surface of the cross arm 2, and when the movable block 17 is pulled (the direction of the force is the direction of the first hook 33), the stress on the movable block 17 can be directly transferred to the cross arm 2, so that the stability is higher, and when the movable block 17 is pulled from the other side (the direction of the force is the other direction of the first hook 33), at the moment, although the movable block 17 loses the effect of the cross arm 2, part of the force can be transferred to the fixed block 16 through adjusting the telescopic rod 20, so that the uniformity of the stress can be improved, and the stability is improved.
When the movable block 17 capable of freely moving is adopted to install the stay wire part, the fixed part is not required to be detached and then installed, the replacement efficiency can be greatly improved, meanwhile, the movable block 17 can freely move, the position of the first hook 33 on the movable block 17 is adjusted, the position of the first hook 33 on the movable block 17 is ensured to be on the same plane with the electric wire 6, the electric wire 6 can be ensured to be only stretched tightly when the electric wire 6 is tensioned, the deviation cannot occur, and the insulator string 3 can be detached and installed conveniently.
The stay wire assembly further comprises a connecting middle arm 8, the connecting middle arm 8 is connected with a first hook 33 and a second hook 34 through locking buckles, a chain ring on the connecting middle arm 8 is connected with a threaded rod 11, a threaded cylinder is rotatably arranged on the threaded rod 11, a rotating ring 35 is rotatably arranged on the threaded cylinder, a circular ring is fixedly arranged on the threaded rod 11, a U-shaped clamp 36 is fixedly arranged on each circular ring and the rotating ring 35, and clamping mechanisms matched with the electric wires 6 are arranged on the two U-shaped clamps.
The middle connecting arm 8 is adopted, if a iron chain type connecting mode is adopted, the connecting position of each chain ring of the iron chain can rotate relatively, if the iron chain needs to be straightened, more force is needed, if the middle part of the iron chain is sunken, the displacement of the end part of the iron chain is large when the iron chain is straightened because each chain ring rotates relatively, and the middle connecting arm 8 is adopted, the middle connecting arm 8 only rotates relatively at the two ends, so that the displacement of the end part is smaller than the displacement of the end part of the iron chain when the iron chain is straightened, the displacement of the electric wire 6 needs to be regulated, the straightening time of the electric wire 6 can be shortened, and the replacement efficiency is improved.
The clamping mechanism comprises an upper clamping block 37 fixedly arranged on the upper portion of the U-shaped clamp 36, a lower clamping block 38 matched with the upper clamping block 37 is slidably arranged on the lower portion of the U-shaped clamp 36, a limiting structure and a lifting structure are arranged between the lower clamping block 38 and the U-shaped clamp 36, the lifting structure comprises a threaded sleeve 40 fixedly arranged on the bottom of the U-shaped clamp 36, a screw rod 39 in threaded rotary connection with the threaded sleeve 40 is rotatably arranged on the lower clamping block 38, a round hole for the screw rod 39 to pass through is formed in the U-shaped clamp 36, and an adjusting ring 41 is fixedly arranged on the bottom of the screw rod 39.
The insulating hook head operating rod (the end part of the insulating hook head operating rod is designed as a hook, and can be freely detached and replaced into different operating components such as a screwdriver, a wrench, a clamp and the like) is inserted into the adjusting ring 41, then the U-shaped clamp 36 is driven to move, the upper clamping block 37 at the upper part of the U-shaped clamp 36 is put on the electric wire 6, then the adjusting ring 41 is rotated through the insulating hook head operating rod, the screw 39 is driven to rotate, the screw 39 is driven to move upwards under the action of the threaded sleeve 40, the upper clamping block 37 is matched to clamp and lock the electric wire 6, and the joint of the threaded rod 11 and the connecting middle arm 8 is required to be kept straight in the process of clamping the electric wire 6.
After the electric wire 6 is clamped, the hook head on the insulating hook head operating rod is replaced, the insulating hook head operating rod is replaced by a spanner, then the threaded cylinder is screwed by the spanner, the threaded cylinder drives the U-shaped clamp 36 to move on the threaded rod 11, so that the electric wire 6 is straightened, the electric wire 6 and the insulator string 3 are in a loose state, the electric wire 6 can be split through the clamp, the purpose of setting another U-shaped clamp 36 is to play a role in protection, and the situation that the electric wire 6 is separated from falling due to the fact that the first U-shaped clamp 36 is loose or slipping is avoided.
The limiting structure comprises two limiting rods 42 fixedly mounted on the lower clamping block 38, two limiting through holes matched with the corresponding limiting rods 42 are formed in the bottom of the U-shaped clamp 36, and the limiting structure is used for limiting the lower clamping block 38, preventing the lower clamping block 38 from rotating along with the screw 39 and simultaneously keeping the lower clamping block 38 to move vertically upwards.
The specific operation steps of the device are as follows:
Firstly, mounting the fixing parts on the two cross arms 2, aligning the first hooks 33 on the fixing blocks 16 with the electric wires 6 when the fixing parts are mounted, and then inserting the clamping posts 26 into corresponding clamping grooves to finish the mounting of the hanging rods 7;
Then binding the binding rope 32 on the insulator string 3, if the length of the binding rope 32 is too long, winding a plurality of circles according to the length of the binding rope, hanging the wound end part on the self-locking hook 31 for locking, and then sleeving the operating rod 10 on the suspender 7 by an operator, rotating the suspender 7 to enable the self-locking hook 31 to be positioned right above the insulator string 3, and keeping the steel wire rope 29 straight;
finally, the wire 6 is straightened through the wire pulling part, so that the wire 6 and the insulator string 3 are in a loose state, then the clamp is used for taking down the positioning M pin for connecting the insulator string 3 and the wire 6, then the hanger rod 7 is rotated, the insulator string 3 hung on the binding rope 32 is dismounted, if another insulator string 3 is replaced, the moving block 17 needs to be moved, the first hook 33 on the moving block 17 is aligned with the other insulator string 3, then the wire pulling part is hung on the first hook 33 on the moving block 17, and the operation is repeated.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a kit is changed to live working's insulator, includes two cross arms (2) of fixed mounting on shaft tower (1), two equal fixed mounting has two insulator chain (3) on cross arm (2), all fixedly connected with electric wire (6) on every insulator chain (3), its characterized in that still includes fixed part, hoist and mount portion and portion of acting as go-between.
The utility model discloses a cable fixing device, including fixing portion, lifting part, insulator string (3) and wire (6), the fixed portion is used for fixing whole appurtenance between two cross arms (2), stability when improving the instrument use, the fixed portion includes locking subassembly and punch holder two (13), the lifting part includes fixed block (16) of fixed mounting on punch holder two (13), the lifting part is including binding subassembly and handling subassembly, it is used for binding insulator string (3) to bind the subassembly, prevent insulator string (3) from dropping, handling subassembly is used for handling insulator string (3) and puts down, the portion of acting as go-between is including installing the subassembly of acting as go-between on fixed block (16) for taut wire (6), makes between insulator string (3) and wire (6) keep the relaxation state.
2. The live-wire insulator replacement kit according to claim 1, wherein the locking assembly comprises a first upper clamping plate (4), an adjusting mechanism is arranged between the first upper clamping plate (4) and a second upper clamping plate (13), a first lower clamping plate (12) and a second lower clamping plate (14) are respectively arranged on the first upper clamping plate (4) and the second upper clamping plate (13) through two elastic telescopic rods (18), and two telescopic tubes (43) are fixedly arranged between the first upper clamping plate (4) and the second upper clamping plate (13) and between the first lower clamping plate (12) and the second lower clamping plate (14).
3. The live-wire insulator replacement kit according to claim 2, wherein the adjusting mechanism comprises a screw rod (19) rotatably mounted on the first upper clamping plate (4), a nut (23) is rotatably mounted on the screw rod (19) in a threaded manner, a disc is fixedly mounted on the nut (23), the disc is fixedly connected with the second upper clamping plate (13) through a plurality of supporting rods (24), and a driving structure is mounted between the first lower clamping plate (12) and the screw rod (19).
4. A live working insulator replacement kit according to claim 3, wherein the driving structure comprises a connecting telescopic rod (21) rotatably mounted on the first lower clamping plate (12), the telescopic end of the connecting telescopic rod (21) is connected with the screw rod (19) through a bevel gear set (22), and a docking rod (5) is fixedly mounted on one end of the connecting telescopic rod (21) away from the bevel gear set (22) through a bolt.
5. The live-wire insulator replacement kit according to claim 1, wherein the lifting assembly comprises a lifting plate (27), two clamping columns (26) are fixedly arranged at the bottom of the lifting plate (27), two clamping grooves matched with the corresponding clamping columns (26) are formed in the fixed block (16), a turntable (28) is rotatably arranged on the lifting plate (27), a connecting ring is rotatably arranged on the turntable (28), a hanging rod (7) is fixedly arranged on the connecting ring, and an operating rod (10) is rotatably arranged on the hanging rod (7).
6. The live-wire insulator replacement kit according to claim 5, wherein the binding assembly comprises a fixing ring (9) fixedly mounted on the hanger rod (7), a steel wire rope (29) is fixedly connected to the fixing ring (9), a connector (30) is fixedly connected to the steel wire rope (29), a self-locking hook (31) is rotatably mounted on the connector (30), and a binding rope (32) is hung on the self-locking hook (31).
7. The live-wire insulator replacement kit according to claim 1, wherein the wire pulling assembly comprises two adjusting telescopic rods (20) which are slidably mounted on a fixed block (16), moving blocks (17) matched with the cross arm (2) are fixedly mounted on telescopic ends of the two adjusting telescopic rods (20) together, a first hook (33) is fixedly mounted on each of the moving blocks (17) and the fixed block (16), a second hook (34) is rotatably mounted on each of the moving blocks (17), the wire pulling assembly further comprises a connecting middle arm (8), the connecting middle arm (8) is connected with the first hook (33) and the second hook (34) through locking buckles, a threaded rod (11) is connected to a chain ring on the connecting middle arm (8), a threaded cylinder is rotatably mounted on each threaded rod (11), a rotating ring (35) is fixedly mounted on each threaded cylinder, a U-shaped clamp (36) is fixedly mounted on each of the rotating rings and the rotating ring (35), and the U-shaped clamp mechanism is mounted on each U-shaped clamp mechanism.
8. The live-wire insulator replacement kit according to claim 7, wherein the clamping mechanism comprises an upper clamping block (37) fixedly mounted on the upper portion of the U-shaped clamp (36), a lower clamping block (38) matched with the upper clamping block (37) is slidably mounted on the lower portion of the U-shaped clamp (36), and a limiting structure and a lifting structure are mounted between the lower clamping block (38) and the U-shaped clamp (36).
9. The live-wire insulator replacement kit according to claim 8, wherein the limiting structure comprises two limiting rods (42) fixedly mounted on the lower clamping block (38), and two limiting through holes matched with the corresponding limiting rods (42) are formed in the bottom of the U-shaped clamp (36).
10. The live-wire insulator replacement kit according to claim 8, wherein the lifting structure comprises a threaded sleeve (40) fixedly installed at the bottom of the U-shaped clamp (36), a screw rod (39) in threaded rotation connection with the threaded sleeve (40) is rotatably installed on the lower clamping block (38), a round hole for the screw rod (39) to pass through is formed in the U-shaped clamp (36), and an adjusting ring (41) is fixedly installed at the bottom of the screw rod (39).
CN202411368758.0A 2024-09-29 2024-09-29 Insulator replacement matched tool capable of carrying out live working Active CN119154154B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411368758.0A CN119154154B (en) 2024-09-29 2024-09-29 Insulator replacement matched tool capable of carrying out live working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411368758.0A CN119154154B (en) 2024-09-29 2024-09-29 Insulator replacement matched tool capable of carrying out live working

Publications (2)

Publication Number Publication Date
CN119154154A true CN119154154A (en) 2024-12-17
CN119154154B CN119154154B (en) 2025-10-17

Family

ID=93803566

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411368758.0A Active CN119154154B (en) 2024-09-29 2024-09-29 Insulator replacement matched tool capable of carrying out live working

Country Status (1)

Country Link
CN (1) CN119154154B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216312532U (en) * 2021-10-15 2022-04-15 国网浙江省电力有限公司衢州供电公司 Supplementary device of changing of portable insulator
CN114865524A (en) * 2022-04-13 2022-08-05 云南电网有限责任公司曲靖供电局 Wire side fixture for indirectly live replacement of 10kV line tension insulator and use method
CN116969353A (en) * 2023-09-25 2023-10-31 河南省大方重型机器有限公司 A kind of high voltage transmission line insulator lifting device
CN220976379U (en) * 2023-11-24 2024-05-17 国网青海省电力公司果洛供电公司 A kind of auxiliary replacement device of column insulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN216312532U (en) * 2021-10-15 2022-04-15 国网浙江省电力有限公司衢州供电公司 Supplementary device of changing of portable insulator
CN114865524A (en) * 2022-04-13 2022-08-05 云南电网有限责任公司曲靖供电局 Wire side fixture for indirectly live replacement of 10kV line tension insulator and use method
CN116969353A (en) * 2023-09-25 2023-10-31 河南省大方重型机器有限公司 A kind of high voltage transmission line insulator lifting device
CN220976379U (en) * 2023-11-24 2024-05-17 国网青海省电力公司果洛供电公司 A kind of auxiliary replacement device of column insulator

Also Published As

Publication number Publication date
CN119154154B (en) 2025-10-17

Similar Documents

Publication Publication Date Title
CN100380758C (en) Wire changing device in utility pole and non-power-off power distribution method
CN117691531B (en) Cable installation device of electric power iron tower
CN113937665B (en) Cable tensioning device for overhead laying of cables based on electric power engineering
CN119154154B (en) Insulator replacement matched tool capable of carrying out live working
CN201113303Y (en) Live replacement device for tension insulator strings used in high voltage transmission lines
CN112993862B (en) Wire tightening device for power construction
CN213575898U (en) Pipe joint installation device
CN119134189A (en) A cable installation device for an electric power tower
CN216750993U (en) Complete tool for indirectly replacing 10kV line tension insulator in electrified mode
JP2009141999A (en) Uninterruptive work method for distribution line on utility pole
CN119231411B (en) Cable installation device of electric power iron tower
CN111946900B (en) Pipe joint installation device and method
JP6049471B2 (en) Gripping tool, tension device change tool using the same, tension device removal method and conductor transfer method using the tension device change tool
CN113550645A (en) Can repeatedly apply to device of acting as go-between that circuit installation and maintenance were examined and repaired
KR100289955B1 (en) Wire rod installation method for lightning protection of telegraph pole
RU225512U1 (en) Conductor tension control device
CN222127612U (en) Cross-road cable support frame
CN221328306U (en) Anti-rotation device, clamping device and wiring auxiliary tool for contact net wire connection
CN118889277B (en) Wire clamping and fixing device for power equipment
CN222775072U (en) An insulator with long service life
CN219554426U (en) Movable high-altitude suspension insulator replacement device
CN219792243U (en) Easy-to-use crane
CN221396905U (en) Automatic hanging clamp fixture with anti-falling effect of goods
CN223188677U (en) A cable guide
CN218004297U (en) Photovoltaic power generation operation and maintenance line marking device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant