CN113608114B - Ascending-free wiring device of circuit breaker test wire - Google Patents

Ascending-free wiring device of circuit breaker test wire Download PDF

Info

Publication number
CN113608114B
CN113608114B CN202110874778.5A CN202110874778A CN113608114B CN 113608114 B CN113608114 B CN 113608114B CN 202110874778 A CN202110874778 A CN 202110874778A CN 113608114 B CN113608114 B CN 113608114B
Authority
CN
China
Prior art keywords
insulating
lifting
rod
winding
circuit breaker
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.)
Active
Application number
CN202110874778.5A
Other languages
Chinese (zh)
Other versions
CN113608114A (en
Inventor
马庆朋
朱林平
朱海
刘刚
周飞
仇世邦
程远峰
韦刚
马波
李继鹏
高吉润
董晶莹
候洁
商志刚
时海龙
吴洪伟
柴华
马海霞
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.)
Shanxian Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Shanxian Power Supply Co of State Grid Shandong 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 Shanxian Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Shanxian Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN202110874778.5A priority Critical patent/CN113608114B/en
Publication of CN113608114A publication Critical patent/CN113608114A/en
Application granted granted Critical
Publication of CN113608114B publication Critical patent/CN113608114B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Breakers (AREA)

Abstract

The invention discloses a climbing-free wiring device of a circuit breaker test wire, which relates to the technical field of circuit breaker overhaul test equipment and comprises an insulating operating rod, an insulating support rod, a first clamp plate, a second insulating clamp plate, a clamp plate elastic piece and an insulating rope, wherein the upper end of the insulating operating rod is provided with the insulating support rod, the insulating support rod is provided with two first clamp plates which are arranged side by side, two second insulating clamp plates which are arranged side by side are arranged between the two first clamp plates, the two second insulating clamp plates are both in sliding connection with the insulating support rod and are connected through the clamp plate elastic piece, the upper end of the insulating rope is connected with the second insulating clamp plates, and the insulating rope is matched with a wiring hole arranged in the middle of the insulating support rod. The invention can realize climbing-free wiring and improve the wiring safety of workers.

Description

Ascending-free wiring device of circuit breaker test wire
Technical Field
The invention relates to the technical field of circuit breaker overhaul test equipment, in particular to a climbing-free wiring device of a circuit breaker test wire.
Background
The breaker is one of main equipment of a power system of a transformer substation, bears the closing and the closing of current in a normal loop condition of the power system, can bear and break large short-circuit current within specified time, and plays an important role in the safety and the stability of the power system due to the normal operation of the breaker.
In order to ensure the normal operation of the circuit breaker, a test (such as a direct current resistance test) needs to be performed periodically, and when the test is performed, two test wires of a test instrument need to be connected with a fixed contact and a moving contact on the circuit breaker respectively, and then the test is performed.
Because the circuit breaker is located the position higher (apart from ground at least 3m), so need the staff to ascend a height through the climbing cat ladder and carry out the wiring operation, the operation that the climbing cat ladder ascended a height has increased the staff and has fallen because of the high altitude and injured's risk, has reduced staff's wiring security.
Therefore, how to achieve ascending-free wiring to improve the wiring safety of workers is a technical problem to be urgently solved by technical personnel in the field.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the ascending-free wiring device of the circuit breaker test wire.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a wiring device that ascends a height that exempts from of circuit breaker test line, including insulating bar, insulating support rod, first splint, the insulating splint of second, splint elastic component, insulating rope, insulating bar's upper end is equipped with insulating support rod, be equipped with two first splint that set up side by side on the insulating support rod, be equipped with two insulating splint of second that set up side by side between two first splint, two insulating splint of second all with insulating support rod sliding connection, two insulating splint of second pass through splint elastic component and are connected, the upper end and the insulating splint of second of insulating rope are connected, insulating rope with locate the line hole cooperation at insulating support rod middle part.
Furthermore, the upper end of the insulating rope is provided with two sub-insulating ropes, and one sub-insulating rope is connected with the second insulating clamping plate.
Further, still including wire winding mechanism, wire winding mechanism includes wire winding seat and wire winding roller, wire winding seat with insulating bar's sub-unit connection, wire winding seat are equipped with wire winding prism hole, wire winding commentaries on classics hole, the wire winding jack that communicates in proper order, the wire winding roller with the lower extreme of insulating rope is connected, and the one end of wire winding roller is equipped with the wire winding handle, and the other end of wire winding roller is equipped with the wire winding inserted bar, and wire winding inserted bar and wire winding jack cooperation, wire winding inserted bar are equipped with the wire winding prism in the one end of keeping away from the wire winding roller, and the hole is changeed in the wire winding and wire winding prism hole all cooperates with the wire winding prism.
Further, still include interval adjustment mechanism, interval adjustment mechanism is including adjusting seat, adjusting screw, regulation mounting panel, first splint with insulating support pole sliding connection, insulating support pole's tip is equipped with the regulation seat, adjusts the seat and is equipped with the regulation screw, is equipped with adjusting screw in the regulation screw, and adjusting screw's tip rotates and is connected with the regulation mounting panel, adjusts the mounting panel and is connected with first splint.
Further, still include steering mechanism, steering mechanism including turn to the connecting rod, turn to the smooth section of thick bamboo, turn to the action bars, the upper end of insulating action bars with the middle part of insulating support rod is rotated and is connected, and the one end of insulating support rod is rotated with the upper end that turns to the connecting rod and is connected, turns to the lower extreme of connecting rod and turns to smooth section of thick bamboo and rotate and be connected, turns to smooth section of thick bamboo and the vertical sliding connection of insulating action bars, turns to smooth section of thick bamboo and is connected with the upper end that turns to the action bars.
The lifting device comprises a lifting mechanism, the lifting mechanism comprises a lifting inner rod, a lifting barrel, a pedal, a weight box, a lifting connecting rod, a lifting push rod, a lifting pawl and a lifting fixing claw, the lower end of the insulating operating rod is connected with the lifting inner rod, the lifting inner rod is provided with a plurality of lifting grooves and a plurality of fixing grooves, the lifting inner rod is inserted into the lifting barrel, the middle part of the pedal is rotatably connected with the lower end of the lifting barrel, one end of the pedal is provided with the weight box, one end of the pedal, far away from the weight box, is rotatably connected with the lower end of the lifting connecting rod, the upper end of the lifting connecting rod is rotatably connected with one end of the lifting push rod, the upper end of the lifting barrel is provided with a lifting support, the lifting support is rotatably connected with the middle part of the lifting push rod, the other end of the lifting push rod is rotatably connected with the lower end of the lifting pawl, the upper end of the lifting pawl is matched with the lifting grooves, the lifting support is provided with a first elastic piece for pressing the upper end of the lifting pawl to the lifting groove, the upper end of a lift section of thick bamboo is equipped with the lift fixing base, and the lift fixing base rotates with the lower extreme of lift stationary dog to be connected, and the upper end and the fixed slot cooperation of lift stationary dog are equipped with on the lift fixing base and are used for pressing the second elastic component to the fixed slot with the upper end of lift stationary dog.
Furthermore, the lifting device further comprises a moving mechanism, the moving mechanism comprises a moving seat, moving wheels and support legs, the moving seat is connected with the lower end of the lifting cylinder, the lower end face of the moving seat is provided with a plurality of moving wheels and a plurality of support legs, the support legs are provided with support screws, and the support screws are matched with support screw holes formed in the lower end face of the moving seat.
Furthermore, the moving mechanism further comprises a synchronizing assembly, the synchronizing assembly comprises a synchronous motor, a synchronous main gear and a synchronous pinion, the lower end face of the moving seat is provided with the synchronous motor, the output shaft of the synchronous motor is provided with the synchronous main gear, each supporting screw is provided with the synchronous pinion, and the synchronous pinions on all the supporting screws are matched with the synchronous main gear.
The invention has the following beneficial effects:
1. the climbing-free wiring device of the circuit breaker test wire provided by the invention can utilize the insulating operating rod to prolong the length of the arm of a worker, so that the worker is not required to climb the ladder to wire the circuit breaker, climbing-free operation can be realized, the risk that the worker falls from a high place and is injured is reduced, the wiring safety of the worker is improved, and the medical cost is saved for a test maintenance team.
In addition, the ascending-free wiring device of the circuit breaker test wire can drag the two second insulating clamping plates by pulling the insulating rope, so that the two second insulating clamping plates can synchronously act, the static contact and the moving contact on the circuit breaker can be simultaneously wired by utilizing the ascending-free wiring device of the circuit breaker test wire, and the wiring efficiency is improved.
2. According to the invention, two sub-insulating ropes are separated from the upper end of the same insulating rope, so that a worker only needs to operate one insulating rope when operating the insulating rope, and the insulating rope is more convenient to use.
3. The climbing-free wiring device of the circuit breaker test wire can wind or release the lower end of the insulating rope by using the winding mechanism, so that the lower end of the insulating rope is prevented from being blown to be wound at a certain position (for example, wound on the insulating support rod) because of no constraint, the climbing-free wiring device of the circuit breaker test wire can avoid the situation, and is more convenient to use.
4. The climbing-free wiring device of the circuit breaker test wire can adjust the distance between the two first clamping plates by using the distance adjusting mechanism so as to be suitable for circuit breakers with different lengths, namely circuit breakers with different distances between the static contact and the moving contact, so that the climbing-free wiring device of the circuit breaker test wire is more flexible to use, and the application range is expanded.
In addition, in the climbing-free wiring device for the circuit breaker test line, the position of the first clamping plate on the insulating support rod can be changed by only screwing the adjusting screw rod in the spacing adjusting mechanism, so that the distance between the two first clamping plates can be adjusted, the operation is simple and convenient, and the climbing-free wiring device for the circuit breaker test line is more convenient to use.
5. The ascending-free wiring device of the circuit breaker test wire can utilize the steering mechanism to adjust the included angle between the insulating support rod and the insulating operating rod, so that the first clamping plate and the second insulating clamping plate on the insulating support rod can clamp moving contacts or static contacts on circuit breakers in different states, and the ascending-free wiring device of the circuit breaker test wire is improved in use flexibility and expanded in application range.
In addition, the ascending-free wiring device of the circuit breaker test wire provided by the invention can change the angle between the insulating support rod and the insulating operating rod only by pushing the steering operating rod in the steering mechanism up and down, is simple and convenient to operate, and is more convenient to use.
6. According to the climbing-free wiring device for the circuit breaker test wire, the insulating operating rod can be lifted by the lifting mechanism, workers do not need to lift the insulating operating rod manually, the physical strength of the workers is saved, and the labor intensity of the workers is reduced.
7. According to the ascending-free wiring device of the circuit breaker test wire, the movement can be pushed by the moving wheels without being carried by workers, the physical strength of the workers is further saved, and the labor intensity of the workers is further reduced.
8. By arranging the synchronous component, the supporting screws on all the supporting legs in the moving mechanism can be synchronously screwed by the synchronous component, and workers do not need to manually screw the supporting screws one by one, so that time and labor are saved, the operation efficiency is improved, and the labor intensity of the workers is further reduced.
Drawings
FIG. 1 is a first schematic structural diagram of a climbing-free wiring device of a circuit breaker test line in embodiment 1;
FIG. 2 is a schematic structural diagram II of the ascending-free wiring device of the circuit breaker test line in the embodiment 1;
FIG. 3 is a schematic diagram of the binding of the first clamping plate and the test wire of example 1;
FIG. 4 is a schematic structural diagram I of the ascending-free wiring device of the circuit breaker test line in embodiment 2;
FIG. 5 is the second embodiment of the circuit breaker test line of the climbing-free wiring device structure diagram;
FIG. 6 is a first schematic structural diagram of the ascending-free wiring device of the circuit breaker test line in embodiment 3;
FIG. 7 is a second schematic structural view of the ascending-free wiring device of the circuit breaker test line in embodiment 3;
fig. 8 is a partial enlarged view of fig. 7A;
FIG. 9 is a first schematic structural view of a climbing-free wiring device of a circuit breaker test line in embodiment 4;
FIG. 10 is a schematic structural view of a climbing-free wiring device of a circuit breaker test line in embodiment 4;
FIG. 11 is a schematic structural view of a climbing-free wiring device of a circuit breaker test line according to embodiment 5;
FIG. 12 is a first schematic view of the lifting mechanism of the embodiment 5;
FIG. 13 is a second schematic structural view of the elevating mechanism of the embodiment 5;
FIG. 14 is a first schematic view of the moving mechanism of embodiment 6;
FIG. 15 is a second schematic structural view of a moving mechanism according to embodiment 6.
Description of reference numerals:
1-an insulating operating rod, which is provided with a plurality of insulating operating rods,
2-insulating support rod, 2-1 spacer plate, 2-1-1 threading hole, 2-2 wiring hole,
3-a first splint, 3-1-a first splint dovetail groove, 3-2-a through hole,
4-a second insulating splint, 4-1-a dovetail groove of the second insulating splint, 4-2-a binding ring of the second insulating splint,
5-the elastic piece of the clamping plate,
6-insulating rope, 6-1-sub-insulating rope,
7-winding mechanism, 7-1-winding seat, 7-1-1-winding jack, 7-1-2-winding rotary hole, 7-1-3-winding prism hole, 7-2-winding roller, 7-2-1-winding handle, 7-2-2-winding inserted rod, 7-2-3-winding prism,
8-spacing adjusting mechanism, 8-1-adjusting seat, 8-1-1-adjusting screw hole, 8-2-adjusting screw rod, 8-2-1-adjusting limit column, 8-3-adjusting mounting plate, 8-3-1-adjusting jack, 8-3-2-adjusting rotary hole,
9-a steering mechanism, 9-1-a steering connecting rod, 9-2-a steering sliding cylinder, 9-3-a steering operating rod,
10-lifting mechanism, 10-1-lifting inner rod, 10-1-1-lifting groove, 10-1-2 fixing groove, 10-2-lifting cylinder, 10-2-1-lifting support, 10-2-1-1-first elastic part, 10-2-2-lifting fixing seat, 10-2-2-1-second elastic part, 10-3-pedal, 10-3-1-pedal connecting rod, 10-4-counterweight box, 10-5-lifting connecting rod, 10-6-lifting push rod, 10-7-lifting pawl and 10-8-lifting fixing claw,
11-moving mechanism, 11-1-moving seat, 11-1-1-supporting screw hole, 11-2-moving wheel, 11-3-supporting foot, 11-3-1-supporting screw rod, 11-4-synchronous component, 11-4-1-synchronous motor, 11-4-2-synchronous main gear and 11-4-3-synchronous auxiliary gear.
12-test wire, 12-1-conductive core, 12-2-tape.
Detailed Description
For a better understanding of the present invention, reference is made to the following further description taken in conjunction with the accompanying drawings. It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1 and 2, the ascending-free wiring device of the circuit breaker test wire 12 comprises an insulating operating rod 1, an insulating support rod 2, a first clamping plate 3, a second insulating clamping plate 4, a clamping plate elastic part 5 and an insulating rope 6.
The upper end of the insulating operating rod 1 is welded and fixed with the insulating support rod 2. Two first clamping plates 3 arranged side by side are welded on the insulating support rod 2.
Two second insulating clamping plates 4 arranged side by side are arranged between the two first clamping plates 3, a second insulating clamping plate dovetail groove 4-1 is formed in each second insulating clamping plate 4, the insulating support rod 2 is inserted into the second insulating clamping plate dovetail groove 4-1, and the second insulating clamping plates 4 can slide along the insulating support rod 2 towards the direction close to the first clamping plates 3 or away from the first clamping plates 3.
The insulating support rod 2 is welded with a partition plate 2-1, and the partition plate 2-1 is arranged between the two second insulating clamp plates 4. The clamping plate elastic pieces 5 are springs, the number of the clamping plate elastic pieces 5 is two, one end of each clamping plate elastic piece 5 is fixedly welded with the corresponding partition plate 2-1, and the end, far away from the corresponding partition plate 2-1, of each clamping plate elastic piece 5 is fixedly welded with the corresponding second insulating clamping plate 4.
A second insulating splint binding ring 4-2 is welded on the second insulating splint 4, two sub-insulating ropes 6-16 are arranged at the upper end of the insulating rope 6, and one sub-insulating rope 6-16 is bound on the second insulating splint binding ring 4-2 on the second insulating splint 4. The partition plate 2-1 is provided with a threading hole 2-1-1, the middle part of the insulating support rod 2 is provided with a wiring hole 2-2, the wiring hole 2-2 is communicated with the threading hole 2-1-1, and the insulating rope 6 sequentially passes through the threading hole 2-1-1 and the wiring hole 2-2.
In the ascending-free wiring device using the test wire 12 of the circuit breaker in the embodiment 1, when the test wire 12 is connected to the circuit breaker, the following operations are required: (1) the working personnel tie two test wires 12 of the test instrument on two first clamping plates 3 respectively, namely, one test wire 12 is tied on one first clamping plate 3, in order to tie up the test wire 12, as shown in fig. 3, after the test wire 12 passes through a through-wire hole 3-2 arranged on the first clamping plate 3, one end of the test wire 12 which penetrates into the through-wire hole 3-2 and one end which penetrates out of the through-wire hole 3-2 are wound together by using an adhesive tape 12-2, so that the test wire 12 is tied on the first clamping plate 3, the test wire 12 is positioned on one side of the first clamping plate 3 close to a second clamping plate 4, and a conductive core 12-1 inside the test wire 12 is exposed, so that when the movable contact or the static contact is contacted, the movable contact or the static contact and the test wire 12 are conducted with current; (2) a worker pulls down the lower end of the insulating rope 6 to enable two sub-insulating ropes 6 to 16 at the upper end of the insulating rope 6 to respectively pull one second insulating clamping plate 4, so that the second insulating clamping plates 4 overcome the elastic force of the clamping plate elastic piece 5 and move towards the direction far away from the first clamping plate 3, namely, the two second insulating clamping plates 4 are close to each other, the distance between the first clamping plate 3 and the second insulating clamping plate 4 is increased, and a fixed contact or a moving contact at the end part of the circuit breaker can be conveniently inserted between the first clamping plate 3 and the second insulating clamping plate 4; (3) a worker keeps a state of pulling down the insulating rope 6 with one hand and lifts up the insulating operating rod 1 with the other hand, so that a static contact at one end of the circuit breaker is inserted between one first clamping plate 3 and one second insulating clamping plate 4, and a moving contact at the other end of the circuit breaker is inserted between the other first clamping plate 3 and the other second insulating clamping plate 4; (4) the staff loosens and drags down insulating rope 6 for second insulating splint 4 slides to the direction that is close to first splint 3 under the promotion of splint elastic component 5, makes static contact and moving contact all press from both sides between a first splint 3 and a second insulating splint 4 respectively, thereby lets two testlines 12 on the test instrument communicate with the static contact and the moving contact electricity of circuit breaker respectively.
Through the above process, it can be known that: the circuit breaker test wire 12 that this embodiment 1 provided exempts from termination of ascending a height can utilize insulating bar 1 to prolong the length of staff's arm to need not the staff and go for the circuit breaker wiring through climbing the cat ladder, can realize exempting from the operation of ascending a height, reduced the staff and fallen injured's risk from the eminence, improved staff's wiring security, saved medical cost for experimental maintenance team.
Moreover, the ascending-free wiring device of the circuit breaker test line 12 provided by this embodiment 1 can drag two second insulating clamping plates 4 by pulling the insulating rope 6, so that the two second insulating clamping plates 4 can act synchronously, and the ascending-free wiring device of the circuit breaker test line 12 of this embodiment 1 can be used for simultaneously wiring a static contact and a moving contact on a circuit breaker, thereby improving wiring efficiency.
Example 2
This embodiment 2 is a further improvement on the embodiment 1,
as shown in fig. 4 and 5, the ascending-free wiring device for the test line 12 of the circuit breaker according to embodiment 2 further includes a winding mechanism 7.
The winding mechanism 7 comprises a winding seat 7-1 and a winding roller 7-2.
The winding seat 7-1 is welded and fixed with the lower part of the insulating operating rod 1, and the winding seat 7-1 is provided with a winding prismatic hole 7-1-3, a winding rotary hole 7-1-2 and a winding jack 7-1-1 which are sequentially communicated. The winding prismatic holes 7-1-3 are prismatic holes, specifically, quadrangular prismatic holes.
The lower end of the insulating rope 6 is wound on the winding roller 7-2. One end of the winding roller 7-2 is welded with a winding handle 7-2-1, the other end of the winding roller 7-2 is welded with a winding inserted bar 7-2-2, one end of the winding inserted bar 7-2-2 far away from the winding roller 7-2 is welded with a winding prism 7-2-3, and the winding prism 7-2-3 adopts a prism, specifically, the prism is a quadrangular prism.
In the ascending-free wiring device using the breaker test line 12 of the embodiment 2, when the breaker is connected to the test line 12, the following operations are required: (1) the worker binds two test wires 12 of the test instrument on two first splints 3 respectively, namely one test wire 12 is bound on one first splint 3; (2) the worker pulls the winding roller 7-2 in the direction far away from the winding seat 7-1, so that the winding prism 7-2-3 is drawn out from the winding prism hole 7-1-3 and enters the winding rotary hole 7-1-2; a worker rotates the winding handle 7-2-1 to enable the insulating rope 6 to be wound on the winding roller 7-2, two sub-insulating ropes 6-16 at the upper end of the insulating rope 6 respectively drag one second insulating clamping plate 4, and the second insulating clamping plate 4 overcomes the elastic force of the clamping plate elastic piece 5 and moves towards the direction far away from the first clamping plate 3, namely, the two second insulating clamping plates 4 are close to each other, so that the distance between the first clamping plate 3 and the second insulating clamping plate 4 is increased, and a static contact or a moving contact at the end part of the circuit breaker is conveniently inserted between the first clamping plate 3 and the second insulating clamping plate 4; (3) the working personnel push the winding roller 7-2 towards the direction close to the winding seat 7-1, so that the winding prism 7-2-3 is drawn out from the winding rotary hole 7-1-2 and enters the winding prism hole 7-1-3, after the winding prism 7-2-3 is inserted into the winding prism hole 7-1-3, the winding prism 7-2-3 cannot rotate, so that the winding roller 7-2 cannot rotate, and the state that the distance between the first clamping plate 3 and the second insulating clamping plate 4 is increased can be kept; at the moment, a worker lifts the insulating operating rod 1, so that a static contact at one end of the circuit breaker is inserted between one first clamping plate 3 and one second insulating clamping plate 4, and a moving contact at the other end of the circuit breaker is inserted between the other first clamping plate 3 and the other second insulating clamping plate 4; (4) the worker pulls the winding roller 7-2 in the direction far away from the winding seat 7-1, so that the winding prism 7-2-3 is drawn out from the winding prism hole 7-1-3 and enters the winding rotary hole 7-1-2; the worker rotates the winding handle 7-2-1 in the direction opposite to the direction in the step (2), so that the insulating rope 6 is loosened, the second insulating clamping plate 4 can slide towards the direction close to the first clamping plate 3 under the pushing of the clamping plate elastic part 5, the static contact and the moving contact are respectively clamped between the first clamping plate 3 and the second insulating clamping plate 4, and the two test wires 12 on the test instrument are respectively electrically communicated with the static contact and the moving contact of the circuit breaker.
Through the above process, it can be known that: the climbing-free wiring device of the circuit breaker test line 12 provided by the embodiment 2 can utilize the winding mechanism to wind or release the lower end of the insulating rope 6, thereby avoiding the lower end of the insulating rope 6 from being blown to be wound at a certain position (for example, wound on the insulating support rod 2) because of no constraint, so the climbing-free wiring device of the circuit breaker test line 12 provided by the embodiment 2 can avoid the occurrence of the above situation, and is more convenient to use.
Example 3
This example 3 is a further improvement on the basis of example 2:
as shown in fig. 6 to 8, the ascending-free wiring device of the circuit breaker test line 12 according to the embodiment 3 further includes a spacing adjustment mechanism 8.
The spacing adjusting mechanism 8 comprises an adjusting seat 8-1, an adjusting screw 8-2 and an adjusting mounting plate 8-3.
The first clamping plate 3 is provided with a first clamping plate dovetail groove 3-1, the insulating support rod 2 is arranged in the first clamping plate dovetail groove 3-1, and the first clamping plate 3 can slide along the insulating support rod 2.
The two ends of the insulating support rod 2 are respectively welded with an adjusting seat 8-1, the adjusting seat 8-1 is provided with an adjusting screw hole 8-1-1, the adjusting screw 8-2 is matched with the adjusting screw hole 8-1-1, the adjusting mounting plate 8-3 is provided with an adjusting jack 8-3-1 and an adjusting rotating hole 8-3-2 which are communicated, the adjusting mounting plate 8-3 is fixed on the first clamping plate 3 through a screw, the adjusting rotating hole 8-3-2 is arranged between the first clamping plate 3 and the adjusting jack 8-3-1, the end part of the adjusting screw 8-2 is welded with an adjusting limiting column 8-2-1, the diameter of the adjusting limiting column 8-2-1 is larger than the diameter of the adjusting jack 8-3-1, and the diameter of the adjusting limiting column 8-2-1 is smaller than the diameter of the adjusting rotating hole 8-3-2, the adjusting screw 8-2 is inserted into the adjusting jack 8-3-1, the adjusting limiting column 8-2-1 is inserted into the adjusting rotating hole 8-3-2, and the adjusting limiting column 8-2-1 can rotate in the adjusting rotating hole 8-3-2.
In embodiments 1 and 2, the first clamping plates 3 are welded and fixed to the insulating support rod 2, so that the distance between the two first clamping plates 3 cannot be adjusted, and thus the ascending-free wiring device of the circuit breaker test line 12 provided in embodiments 1 or 2 cannot adapt to circuit breakers of different lengths (circuit breakers of different lengths have different distances between a fixed contact and a movable contact), so that the flexibility of use of the ascending-free wiring device of the circuit breaker test line 12 provided in embodiments 1 and 2 is reduced, and the application range is reduced.
In the embodiment 3, the position of the first clamping plate 3 on the insulating support rod 2 is adjustable, and when the adjusting screw 8-2 is screwed clockwise, the adjusting screw 8-2 can push the first clamping plate 3, so that the distance between the two first clamping plates 3 is reduced, and the circuit breaker can be conveniently used on a circuit breaker with shorter length; when the adjusting screw 8-2 is screwed counterclockwise, the adjusting screw 8-2 can drag the first clamping plate 3, so that the distance between the two first clamping plates 3 is increased, and the circuit breaker can be conveniently used on a circuit breaker with a longer length.
Therefore, the ascending-free wiring device of the circuit breaker test line 12 provided by this embodiment 3 can utilize the distance adjusting mechanism 8 to adjust the distance between the two first clamping plates 3, so as to adapt to circuit breakers with different lengths, that is, to adapt to circuit breakers with different distances between the fixed contact and the movable contact, so that the ascending-free wiring device of the circuit breaker test line 12 provided by this embodiment 3 is more flexible to use, and the application range is also expanded.
In addition, in the ascending-free wiring device of the circuit breaker test line 12 provided in this embodiment 3, the position of the first clamping plate 3 on the insulating support rod 2 can be changed only by screwing the adjusting screw 8-2 in the spacing adjusting mechanism 8, so as to adjust the distance between the two first clamping plates 3, and the ascending-free wiring device of the circuit breaker test line 12 provided in this embodiment 3 is simple and convenient to operate, so that the ascending-free wiring device of the circuit breaker test line 12 provided in this embodiment 3 is more convenient to use.
Example 4
This embodiment 4 is further improved on the basis of embodiment 3:
as shown in fig. 9 and 10, the ascending-free wiring device of the breaker test line 12 according to embodiment 4 further includes a steering mechanism 9.
The steering mechanism 9 comprises a steering connecting rod 9-1, a steering sliding cylinder 9-2 and a steering operating rod 9-3.
The upper end of an insulating operating rod 1 is rotatably connected with the middle of an insulating supporting rod 2 through a pin shaft, one end of the insulating supporting rod 2 is rotatably connected with the upper end of a steering connecting rod 9-1 through a pin shaft, the lower end of the steering connecting rod 9-1 is rotatably connected with a steering sliding cylinder 9-2 through a pin shaft, the steering sliding cylinder 9-2 is sleeved on the insulating operating rod 1, the steering sliding cylinder 9-2 can slide up and down along the insulating operating rod 1, and the steering sliding cylinder 9-2 is fixedly welded with the upper end of the steering operating rod 9-3.
In the ascending-free wiring device of the circuit breaker test line 12 provided in embodiments 1 to 3, because the upper end of the insulating operating rod 1 is welded and fixed to the insulating support rod 2, the ascending-free wiring device can only adapt to a circuit breaker in one state (the circuit breaker has a vertical arrangement, an inclined arrangement and a horizontal arrangement), so that the ascending-free wiring device of the circuit breaker test line 12 provided in embodiments 1 to 3 has reduced flexibility of use and a smaller application range.
In the ascending-free wiring device of the circuit breaker test wire 12 provided in this embodiment 4, an included angle between the insulating support rod 2 and the insulating operating rod 1 can be adjusted, so that the first clamping plate 3 and the second insulating clamping plate 4 on the insulating support rod 2 clamp moving contacts or static contacts on circuit breakers in different states.
As shown in fig. 9 or fig. 10, the initial state between the insulating support rod 2 and the insulating operation rod 1 is that the included angle between the insulating support rod 2 and the insulating operation rod 1 is 0 °, which is suitable for a vertically arranged circuit breaker, if the circuit breaker is to be applied to a horizontal state, the included angle between the insulating support rod 2 and the insulating operation rod 1 needs to be increased, and the specific operations are as follows: a worker grasps the steering operation rod 9-3 and pushes the steering operation rod 9-3 upwards to enable the steering sliding barrel 9-2 to move upwards along the insulating operation rod 1, the upward moving steering sliding barrel 9-2 pushes the steering connecting rod 9-1 upwards to enable the upper end of the steering connecting rod 9-1 to push the insulating support rod 2, the insulating support rod 2 rotates around the rotating connection position of the insulating support rod 2 and the insulating operation rod 1, the included angle between the insulating support rod 2 and the insulating operation rod 1 is increased, when the included angle between the insulating support rod 2 and the insulating operation rod 1 is 90 degrees, the steering operation rod 9-3 stops moving, and the circuit breaker can be suitable for a horizontal circuit breaker. Then, the state of the insulating support rod 2 is kept (namely, a worker holds the steering operation rod 9-3 and keeps the position of the steering operation rod 9-3 relative to the insulating operation rod 1), the worker lifts the insulating operation rod 1, so that a static contact at one end of the circuit breaker is inserted between one first clamping plate 3 and one second insulating clamping plate 4, and a moving contact at the other end of the circuit breaker is inserted between the other first clamping plate 3 and the other second insulating clamping plate 4. The worker B pulls the winding roller 7-2 in the direction far away from the winding seat 7-1, so that the winding prism 7-2-3 is drawn out from the winding prism hole 7-1-3 and enters the winding rotary hole 7-1-2; the staff rotates winding handle 7-2-1, makes insulating rope 6 relax to can let second insulating splint 4 slide to the direction that is close to first splint 3 under the promotion of splint elastic component 5, make static contact and moving contact both press from both sides between a first splint 3 and a second insulating splint 4 respectively, thereby let two test wires 12 on the tester communicate with the static contact and the moving contact electricity of circuit breaker respectively.
Through the above process, it can be known that: this embodiment 4 provides a wiring device that ascends a height of exempting from of circuit breaker test line 12 can utilize steering mechanism 9 to go to adjust the contained angle between insulating support rod 2 and the insulating bar 1 to let first splint 3 and the insulating splint 4 of second on the insulating support rod 2 go to the moving contact or the static contact on the circuit breaker of the different states of centre gripping, make the use flexibility of the wiring device that ascends a height of exempting from of circuit breaker test line 12 that this embodiment 4 provided improve, application scope enlarges.
In addition, according to the ascending-free wiring device of the circuit breaker test line 12 provided by this embodiment 4, the angle between the insulating support rod 2 and the insulating operation rod 1 can be changed only by pushing the steering operation rods 9-3 in the steering mechanism 9 up and down, and the ascending-free wiring device of the circuit breaker test line 12 provided by this embodiment 4 is simple and convenient to operate, so that the ascending-free wiring device is more convenient to use.
Example 5
This example 5 is a further improvement on the basis of example 4:
as shown in fig. 11 to 13, the ascending-free wiring device of the breaker test line 12 according to the embodiment 5 further includes a lifting mechanism 10.
The lifting mechanism 10 comprises a lifting inner rod 10-1, a lifting cylinder 10-2, a pedal 10-3, a weight box 10-4, a lifting connecting rod 10-5, a lifting push rod 10-6, a lifting pawl 10-7 and a lifting fixed claw 10-8.
The lower end of the insulated operating rod 1 is provided with a connecting screw hole (not shown in the figure), the upper end of the lifting inner rod 10-1 is provided with external threads, and the upper end of the lifting inner rod 10-1 is in threaded fit with the connecting screw hole at the lower end of the insulated operating rod 1.
The lifting inner rod 10-1 is inserted into the lifting cylinder 10-2, the lifting inner rod 10-1 is provided with a plurality of lifting grooves 10-1-1 and a plurality of fixing grooves 10-1-2, all the lifting grooves 10-1-1 are uniformly distributed on the lifting inner rod 10-1 along the vertical direction, and all the fixing grooves 10-1-2 are uniformly distributed on the lifting inner rod 10-1 along the vertical direction.
A pedal connecting rod 10-3-1 is welded on the pedal 10-3, one end of the pedal 10-3, which is close to the pedal connecting rod 10-3-1, is rotatably connected with the lower end of the lifting cylinder 10-2 through a pin shaft, a weight box 10-4 is welded at one end of the pedal connecting rod 10-3-1, which is far away from the pedal 10-3, and stone or sand is filled in the weight box 10-4. The end of the pedal 10-3 far away from the pedal connecting rod 10-3-1 is rotatably connected with the lower end of a lifting connecting rod 10-5 through a pin shaft, the upper end of the lifting connecting rod 10-5 is rotatably connected with one end of a lifting push rod 10-6 through a pin shaft, the upper end of a lifting cylinder 10-2 is welded with a lifting support 10-2-1, the lifting support 10-2-1 is rotatably connected with the middle part of the lifting push rod 10-6 through a pin shaft, the end of the lifting push rod 10-6 far away from the lifting connecting rod 10-5 is rotatably connected with the lower end of a lifting pawl 10-7 through a pin shaft, the upper end of the lifting pawl 10-7 is matched with a lifting groove 10-1-1, the lifting support 10-2-1 is provided with a first elastic piece 10-2-1-1 for pressing the upper end of the lifting pawl 10-7 to the lifting groove 10-1-1, the first elastic part 10-2-1-1 adopts a spring, the lower end of the first elastic part 10-2-1-1 is welded and fixed with the lifting support 10-2-1, and the upper end of the first elastic part 10-2-1-1 is welded and fixed with the upper end of the lifting pawl 10-7.
The upper end of the lifting cylinder 10-2 is welded with a lifting fixing seat 10-2-2, the lifting fixing seat 10-2-2 is rotatably connected with the lower end of a lifting fixing claw 10-8 through a pin shaft, the upper end of the lifting fixing claw 10-8 is matched with a fixing groove 10-1-2, the lifting fixing seat 10-2-2 is provided with a second elastic part 10-2-2-1 used for pressing the upper end of the lifting fixing claw 10-8 to the fixing groove 10-1-2, the second elastic part 10-2-2-1 adopts a spring, the lower end of the second elastic part 10-2-2-1 is welded and fixed with the lifting fixing seat 10-2-2, and the upper end of the second elastic part 10-2-2-1 is welded and fixed with the upper end of the lifting fixing claw 10-8.
In the ascending-free wiring device of the circuit breaker test wire 12 provided in embodiments 1 to 4, the insulating operating rod 1 needs to be lifted manually by a worker, and the physical strength consumed by the worker is increased by the operation of lifting the insulating operating rod 1.
In the ascending-free wiring device of circuit breaker test wire 12 that this embodiment 5 provided, can utilize elevating system 10 to go to lift insulating bar 1, need not staff's manual insulating bar 1 of lifting, saved staff's physical power, reduced staff's intensity of labour.
The operation of raising the insulating operation rod 1 using the raising and lowering mechanism 10 is as follows: a worker treads the pedal 10-3 downwards to enable the lifting connecting rod 10-5 to move downwards, the downwards moved lifting connecting rod 10-5 pulls the lifting push rod 10-6 downwards to enable the lifting push rod 10-6 to rotate at the rotating connection position of the lifting push rod 10-6 and the lifting support 10-2-1, one end, far away from the lifting connecting rod 10-5, of the lifting push rod 10-6 moves upwards, the lifting pawl 10-7 is pushed upwards by the lifting push rod 10-6, the lifting pawl 10-7 pushes the lifting groove 10-1-1 in the lifting inner rod 10-1, the lifting inner rod 10-1 moves upwards in the lifting cylinder 10-2, and the insulating operating rod 1 moves upwards under the lifting movement of the lifting inner rod 10-1; when a worker releases the foot of the pedal 10-3 or downwards steps on the pedal 10-3, the lifting inner rod 10-1 cannot fall down, because each time the lifting pawl 10-7 pushes up one lifting groove 10-1-1, the lifting fixing claw 10-8 also pushes up one fixing groove 10-1-2, and when the worker releases the foot for taking off the pedal 10-3 or downwards steps on the pedal 10-3, the lifting fixing claw 10-8 can be clamped in the fixing groove 10-1-2 to prevent the lifting inner rod 10-1 from falling down, so that the smooth upward movement of the lifting inner rod 10-1 can be guaranteed.
When the height of the insulating operating rod 1 needs to be reduced, a worker needs to manually break the upper end of the lifting pawl 10-7 and the upper end of the lifting fixing claw 10-8, the upper end of the lifting pawl 10-7 leaves the lifting groove 10-1-1, the upper end of the lifting fixing claw 10-8 leaves the fixing groove 10-1-2, and the lifting inner rod 10-1 can drop, so that the height of the insulating operating rod 1 can be reduced.
Through the above process, it can be known that: the circuit breaker test wire 12 that this embodiment 5 provided exempts from termination of ascending a height can utilize elevating system 10 to go to lift insulating bar 1, need not staff's manual lifting insulating bar 1, has saved staff's physical power, has reduced staff's intensity of labour.
Example 6
This embodiment 6 is further improved on the basis of embodiment 5:
as shown in fig. 14, the ascending-free wiring device of the breaker test wire 12 according to embodiment 6 further includes a moving mechanism 11.
The moving mechanism 11 comprises a moving seat 11-1, a moving wheel 11-2 and a supporting leg 11-3.
The movable seat 11-1 is welded and fixed with the lower end of the lifting cylinder 10-2, and the lower end surface of the movable seat 11-1 is provided with a plurality of movable wheels 11-2 and a plurality of support legs 11-3. In the present embodiment, the moving wheel 11-2 and the foot 11-3 are provided with four. The supporting legs 11-3 are welded with supporting screw rods 11-3-1, and the supporting screw rods 11-3-1 are matched with supporting screw holes 11-1-1 arranged on the lower end face of the moving seat 11-1.
When removing the wiring device that exempts from to ascend a height of circuit breaker test wire 12 that embodiment 5 provided, need the staff to carry with the manpower, be unfavorable for saving staff's physical power, increased staff's intensity of labour.
In the ascending-free wiring device of the breaker test line 12 provided in this embodiment 6, the moving wheels 11-2 can be used for moving, and the worker is not required to carry, so that the physical strength of the worker is further saved and the labor intensity of the worker is further reduced on the basis of embodiment 5.
When the movement is not needed, a worker is required to screw the supporting screw 11-3-1 so that the supporting screw 11-3-1 gradually extends out of the supporting screw hole 11-1-1 on the lower end surface of the moving seat 11-1 until the supporting leg 11-3 is lower than the moving wheel 11-2, and the moving wheel 11-2 does not contact with the ground because the bracket is lower than the moving wheel 11-2, so that the moving wheel 11-2 cannot be used for moving, and the movement is stopped.
Further, as shown in fig. 15, the moving mechanism 11 further includes a synchronizing assembly 11-4, and the synchronizing assembly 11-4 includes a synchronizing motor 11-4-1, a synchronizing main gear 11-4-2, and a synchronizing pinion 11-4-3. The lower end face of the movable seat 11-1 is provided with a synchronous motor 11-4-1, an output shaft of the synchronous motor 11-4-1 is welded with a synchronous main gear 11-4-2, each supporting screw 11-3-1 is welded with a synchronous pinion 11-4-3, and the synchronous pinions 11-4-3 on all the supporting screws 11-3-1 are matched with the synchronous main gear 11-4-2.
When the synchronous motor does not need to be moved, the supporting screw 11-3-1 does not need to be screwed manually like the above, and a worker only needs to start and stop the synchronous motor 11-4-1. Specifically, the synchronous motor 11-4-1 is started, the output shaft of the synchronous motor 11-4-1 rotates, so that the synchronous main gear 11-4-2 rotates along with the output shaft of the synchronous motor 11-4-1, all the synchronous pinions 11-4-3 on all the supporting screws 11-3-1 are matched with the synchronous main gear 11-4-2, so all the synchronous pinions 11-4-3 rotate together, the supporting screws 11-3-1 rotate along with the synchronous pinions 11-4-3 because the supporting screws 11-3-1 are welded and fixed with the synchronous pinions 11-4-3, the rotating supporting screws 11-3-1 gradually extend out of the supporting screw holes 11-1-1 on the lower end face of the moving seat 11-1, until the leg 11-3 is lower than the moving wheel 11-2, the synchronous motor 11-4-1 is turned off, at which time the moving wheel 11-2 does not contact the ground because the stand is lower than the moving wheel 11-2, and thus cannot be moved by the moving wheel 11-2, and the movement is stopped.
Through the above process, it can be known that: by arranging the synchronizing component 11-4, the synchronizing component 11-4 can be used for synchronously screwing the supporting screws 11-3-1 on all the supporting legs 11-3, the workers do not need to manually screw the supporting screws one by one, time and labor are saved, the operation efficiency is improved, and the labor intensity of the workers is further reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. A climbing-free wiring device of a circuit breaker test wire is characterized by comprising an insulating operating rod, an insulating support rod, a first clamp plate, a second insulating clamp plate, a clamp plate elastic part, an insulating rope and a lifting mechanism, wherein the insulating support rod is arranged at the upper end of the insulating operating rod, two first clamp plates arranged side by side are arranged on the insulating support rod, two second insulating clamp plates arranged side by side are arranged between the two first clamp plates, the two second insulating clamp plates are both in sliding connection with the insulating support rod, the two second insulating clamp plates are connected through the clamp plate elastic part, the upper end of the insulating rope is connected with the second insulating clamp plates, and the insulating rope is matched with a wiring hole formed in the middle of the insulating support rod;
the lifting mechanism comprises a lifting inner rod, a lifting barrel, a pedal, a weight box, a lifting connecting rod, a lifting push rod, a lifting pawl and a lifting fixed claw, the lower end of an insulating operating rod is connected with the lifting inner rod, the lifting inner rod is provided with a plurality of lifting grooves and a plurality of fixed grooves, the lifting inner rod is inserted into the lifting barrel, the middle part of the pedal is rotatably connected with the lower end of the lifting barrel, one end of the pedal is provided with the weight box, one end of the pedal far away from the weight box is rotatably connected with the lower end of the lifting connecting rod, the upper end of the lifting connecting rod is rotatably connected with one end of the lifting push rod, the upper end of the lifting barrel is provided with a lifting support, the lifting support is rotatably connected with the middle part of the lifting push rod, the other end of the lifting push rod is rotatably connected with the lower end of the lifting pawl, the upper end of the lifting pawl is matched with the lifting grooves, the lifting support is provided with a first elastic piece for pressing the upper end of the lifting pawl to the lifting grooves, the upper end of the lifting barrel is provided with a lifting fixed seat, the lift fixing base rotates with the lower extreme of lift stationary dog to be connected, and the upper end and the fixed slot cooperation of lift stationary dog are equipped with on the lift fixing base and are used for pressing the second elastic component to the fixed slot with the upper end of lift stationary dog.
2. The ascending-free wiring device of the circuit breaker test line according to claim 1, wherein the upper end of the insulating rope is provided with two sub-insulating ropes, and one sub-insulating rope is connected with one second insulating clamp plate.
3. The climbing-free wiring device of the circuit breaker test wire according to claim 2, further comprising a winding mechanism, wherein the winding mechanism comprises a winding seat and a winding roller, the winding seat is connected with the lower portion of the insulating operating rod, the winding seat is provided with a winding prism hole, a winding rotary hole and a winding jack which are sequentially communicated, the winding roller is connected with the lower end of the insulating rope, one end of the winding roller is provided with a winding handle, the other end of the winding roller is provided with a winding insertion rod, the winding insertion rod is matched with the winding jack, the winding insertion rod is provided with a winding prism at one end far away from the winding roller, and the winding rotary hole and the winding prism hole are matched with the winding prism.
4. The climbing-free wiring device of the circuit breaker test wire according to claim 1, further comprising an interval adjusting mechanism, wherein the interval adjusting mechanism comprises an adjusting seat, an adjusting screw rod and an adjusting mounting plate, the first clamping plate is slidably connected with the insulating support rod, the end portion of the insulating support rod is provided with the adjusting seat, the adjusting seat is provided with an adjusting screw hole, the adjusting screw rod is arranged in the adjusting screw hole, the end portion of the adjusting screw rod is rotatably connected with the adjusting mounting plate, and the adjusting mounting plate is connected with the first clamping plate.
5. The climbing-free wiring device of the circuit breaker test wire according to claim 1, further comprising a steering mechanism, wherein the steering mechanism comprises a steering connecting rod, a steering sliding cylinder and a steering operating rod, the upper end of the insulating operating rod is rotatably connected with the middle of the insulating supporting rod, one end of the insulating supporting rod is rotatably connected with the upper end of the steering connecting rod, the lower end of the steering connecting rod is rotatably connected with the steering sliding cylinder, the steering sliding cylinder is vertically slidably connected with the insulating operating rod, and the steering sliding cylinder is connected with the upper end of the steering operating rod.
6. The climbing-free wiring device of the circuit breaker test wire according to claim 1, further comprising a moving mechanism, wherein the moving mechanism comprises a moving seat, moving wheels and support legs, the moving seat is connected with the lower end of the lifting cylinder, the lower end surface of the moving seat is provided with a plurality of moving wheels and a plurality of support legs, the support legs are provided with support screws, and the support screws are matched with support screw holes formed in the lower end surface of the moving seat.
7. The climbing-free wiring device for the circuit breaker test line according to claim 6, wherein the moving mechanism further comprises a synchronizing assembly, the synchronizing assembly comprises a synchronous motor, a synchronous main gear and a synchronous pinion, the lower end surface of the moving seat is provided with the synchronous motor, the synchronous main gear is arranged on an output shaft of the synchronous motor, each of the supporting screws is provided with the synchronous pinion, and the synchronous pinions on all the supporting screws are matched with the synchronous main gear.
CN202110874778.5A 2021-07-30 2021-07-30 Ascending-free wiring device of circuit breaker test wire Active CN113608114B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110874778.5A CN113608114B (en) 2021-07-30 2021-07-30 Ascending-free wiring device of circuit breaker test wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110874778.5A CN113608114B (en) 2021-07-30 2021-07-30 Ascending-free wiring device of circuit breaker test wire

Publications (2)

Publication Number Publication Date
CN113608114A CN113608114A (en) 2021-11-05
CN113608114B true CN113608114B (en) 2022-06-10

Family

ID=78338895

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110874778.5A Active CN113608114B (en) 2021-07-30 2021-07-30 Ascending-free wiring device of circuit breaker test wire

Country Status (1)

Country Link
CN (1) CN113608114B (en)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203350292U (en) * 2013-07-01 2013-12-18 国家电网公司 Wiring apparatus used for breaker characteristic test
CN205317821U (en) * 2015-11-30 2016-06-15 国家电网公司 Prompt test instrument of working a telephone switchboard
CN206088620U (en) * 2016-09-30 2017-04-12 国家电网公司 Relay protection concertina type test wire
CN208977026U (en) * 2018-10-10 2019-06-14 深圳市顺益鑫电子有限公司 A kind of wiring board welding tooling
CN109814027B (en) * 2019-01-23 2021-01-08 浙江工业职业技术学院 Circuit breaker detection device
CN110244114A (en) * 2019-07-29 2019-09-17 广东电网有限责任公司 A kind of multifunction test operation insulating bar
CN211206567U (en) * 2019-09-23 2020-08-07 国网辽宁省电力有限公司丹东供电公司 Wiring device for bus test of transformer substation
CN211505628U (en) * 2019-12-05 2020-09-15 云南电网有限责任公司保山供电局 Voltage transformer field detection primary test line hooking device
CN111864501B (en) * 2020-07-24 2021-08-06 陕西专壹知识产权运营有限公司 A take insulating operating system of fire with electricity for electric power trade

Also Published As

Publication number Publication date
CN113608114A (en) 2021-11-05

Similar Documents

Publication Publication Date Title
CN109867227B (en) Installation device for transformer construction
CN113608114B (en) Ascending-free wiring device of circuit breaker test wire
CN113184119A (en) Folding auxiliary ladder convenient to disassemble and store
CN211829943U (en) High-grade residence community power cable maintenance device
CN207934799U (en) Electric power Multifunctional stairs
CN214929882U (en) Lifting auxiliary device for electric power main tower
CN218739934U (en) Portable adjustable safety belt hanger device
CN113898832B (en) Survey level gauge for mining subsidence area in coal mine area
CN215978709U (en) High-span steel pipe tower of 220kV overhead transmission line
CN211351443U (en) Adjusting structure for fixed foundation of electric cabinet
CN107575078A (en) A kind of communication steel tower of safe and reliable raising climbing security
CN220520032U (en) Auxiliary device for high-altitude power operation
CN219136047U (en) Bypass load switch bearing device
CN213122013U (en) Clamp device for testing wiring of power equipment
CN219612859U (en) Liftable solar pest killing lamp structure
CN220015029U (en) Solar street lamp circuit overhauling device
CN220568835U (en) Wiring auxiliary equipment
CN210012431U (en) Polyester cotton yarn bundling device
CN220667164U (en) Safety device for power engineering operation
CN216335299U (en) Automatic stacking system for smelting copper ingots
CN219394223U (en) Wire and cable laying device
CN220954911U (en) High-voltage cable terminal tower of along-line direction placing platform
CN220306773U (en) Mounting bracket
CN212201513U (en) Railway overhead line pole for traction substation
CN219453708U (en) Water conservancy construction lighting 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