CN107121596B

CN107121596B - A kind of handcart type breaker loop resistance test device and its application method

Info

Publication number: CN107121596B
Application number: CN201710341410.6A
Authority: CN
Inventors: 李世明
Original assignee: Shenzhen Power Supply Bureau Co Ltd; Shenzhen Comtop Information Technology Co Ltd
Current assignee: Shenzhen Power Supply Co ltd; Shenzhen Comtop Information Technology Co Ltd
Priority date: 2017-04-24
Filing date: 2017-05-16
Publication date: 2019-06-18
Anticipated expiration: 2037-05-16
Also published as: CN107121596A

Abstract

The invention discloses a kind of handcart type breaker loop resistance test device, including main body, clamping device and contact device are provided in main body.Clamping device is whole device to be fixed on the cross bar of moving contact of breaker, and contact device is to realize that circuit resistance tester is contacted with the good of moving contact of breaker conducting rod.The device promotes contact device using motor, while being equipped with hairbrush, by polishing oxide layer to reach preferably contact effect.The supporting rod of clamping device is designed as telescopic rod, contacts the contact bar of device by adjusting block and realizes opening and closing, therefore the device also has the beneficial effect for adapting to various model breakers.

Description

A kind of handcart type breaker loop resistance test device and its application method

Technical field

The present invention relates to electric device maintenance fields, and in particular to a kind of handcart type breaker loop resistance test device and Application method.

Background technique

With the prosperity and development of national economy, the living standard of the people is continuously improved, and it is suitable that electricity consumption, which gradually rises, The dynamics of investment to power grid construction is gradually increased using electricity demanding state net, 10kV and 35kV voltage class handcart type breaker obtains Be widely applied, as a routine test project of breaker, loop resistance value can directly reflect breaker installation quality and Occur whether generate the fever not allowed when short circuit.

Measuring galvanic circle resistance is the important pilot project of breaker.10kV, 35kV used in present substation are disconnected The road device overwhelming majority is handcart-type, and moving contact is made of conducting rod and button contact base and insulation sleeve.When carrying out galvanic circle test, First by breaker closing, test lead is then connected to upper lower moving contact, a galvanic circle is constituted, by tester come complete At test.Currently, being limited by breaker structure and test condition, p-wire cannot be directly connected on the conducting rod of moving contact, It can only be connected by external mode with moving contact.

Chinese patent authorization publication number CN204595097U discloses a kind of Contact Resistance of Circuit Breaker test device, packet Bracket pressing plate, electric current pole, voltage pole and insulation wood, the electric current pole and voltage pole are fixedly connected with insulation wood, the electricity It presses and keeps insulation between pole and electric current pole, the insulation wood is connected with screw rod, it can be relatively rotated between the insulation wood and screw rod, The arc pressuring plate and screw flight cooperate.When test, the arc pressuring plate of the device is placed in the outside of round button contact base, is needed Adjustment fitting angle, especially be easy to cause pressure excessive upon application of pressure, damages moving contact, voltage pole, electric current pole are along touching Refer to that the hollow conducting rod of moving contact of breaker is inserted into the inside of seat, can effectively be contacted when cannot ensure to use every time, It is easy to cause the testing time to increase.

Chinese patent authorization publication number CN205067535U discloses a kind of trolley type breaker loop resistor test auxiliary Tool, the auxiliary tool include a pair of of cylindricality cannulated sleeve, and outer wall is processed into several diameter dimensions incremented by successively, constitute ladder Shape, loop resistance are inserted into breaker outgoing line seat ring spring when testing, contact with moving contact, and are suitable for several difference The trolley type breaker of wire outlet seat contact diameter size.

Chinese patent authorization publication number CN204330821U also discloses a kind of similar device, a kind of 10kV vacuum circuit breaker Device loop resistance testing auxiliary device, including connecting plate and connecting cylinder；Connecting plate is the rectangular plate body of conductive metal material Part；Connecting cylinder is integrally made of the body part of hollow cylinder and the plug division of hollow cone cylinder body；Outside the front end face of plug division Diameter is less than the outer diameter of rear end face；The outer diameter of the rear end face of plug division and the outer diameter of body part are identical；Connecting cylinder is arranged in connecting plate Top, and connecting cylinder is fixedly connected by end face thereafter with the top front end face of connecting plate.Latter two device be all be plugged on it is dynamic In contact, but it is easy to fall off by easy grafting in test without fixed device, and the contact situation after installation is not It is good, contact cannot be effectively formed, causes to seriously affect to test result.

Summary of the invention

The technical problem to be solved by the present invention is providing a kind of handcart type breaker loop resistance test device and its making With method, have and circuit resistance tester is facilitated to realize good connection, and be adapted to a variety of breakers, also there is cleaning The function of breaker conducting rod pore oxidation layer on inner wall.

The technical solution of the technical problem to be solved in the present invention is:

A kind of handcart type breaker loop resistance test device, including main body, clamping device, contact device, the main body For tubular, clamping device is mounted on the outside of main body, and contact device is mounted on the inside of main body.The main body includes internal diameter phase Same, axial line coincidence support tube, placing tube, the outer diameter of support tube are greater than the outer diameter of placing tube, and support tube is located at the placing tube right side It side and is fixedly connected, the lower part of support tube is equipped with controller.It is set along direction of axis line there are four strip on the placing tube barrel Hole, four strip holes are evenly distributed on the surrounding of placing tube.Two opposite strip holes are advancement holes in horizontal direction, vertical side Two opposite strip holes are outlet hole upwards, and the support tube left side bottom surface is set there are two propulsion electric machine, and propulsion electric machine is located at The outside of advancement holes, propulsion electric machine shaft are equipped with gear, and gear protrudes into inside advancement holes, and the shaft of propulsion electric machine is put vertically It sets, the propulsion electric machine and controller are electrically connected.The clamping device includes clamper and adjuster, and the clamper includes Fixing pipe, box set, supporting rod, grip slipper.The fixing pipe quantity is three and is evenly distributed on the surrounding of support tube, fixing pipe Vertical with the side of support tube and be fixedly connected, the end of two opposite sides of the one end of fixing pipe far from support tube is equipped with Notch is installed with roller bearing inside notch, and fixing pipe is respectively provided with one on the outside of the side of one end of support tube or so two One fixing seat.The box set covers in fixing pipe, is respectively provided with second fixing seat in two side inside middle portions of box set or so, Pulling box spring is connected between ipsilateral the first fixing seat and the second fixing seat.The supporting rod be telescopic rod, and with main body Axis parallel, with box set far from being fixedly connected on the right side of one end of main body, the supporting rod other end is equipped with folder for one end of supporting rod Seat is held, the grip slipper is tabular, and grip slipper is equipped with Soft contact body towards the side of main body.The adjuster includes handle Hand, pull rod and bracing wire, there are two adjusters, and is symmetrically disposed on the left and right sides of main body 1.The handle include hand grip portion, Two support portions and two interconnecting pieces, the hand grip portion are strip, and the interconnecting piece is tubulose, and two connecting portions are in holding The both ends in portion are simultaneously connected by support portion, and support portion is perpendicular to hand grip portion and interconnecting piece.The interconnecting piece on left side adjuster top The connection of the fixing pipe in upper end and left side, the upper end of the interconnecting piece on right side adjuster top and the fixing pipe on right side connect, two tune The interconnecting piece for saving the lower part of device is all connect with the fixing pipe of lower part.Interconnecting piece is communicated with fixing pipe in junction.The pull rod position It is in the same plane in the centre of two interconnecting pieces on the right side of hand grip portion, and with interconnecting piece.The both ends of pull rod are separately connected The roller bearing of fixing pipe is bypassed after having bracing wire, the interconnecting piece for being drawstring through top of upper end to enter inside fixing pipe connected to it It is connect with the second fixing seat.The interconnecting piece for being drawstring through lower part of pull rod lower part bypasses after entering fixing pipe inside connected to it The roller bearing of fixing pipe is fixedly connected with the second fixing seat.The contact device includes chassis, promotes item, contact bar, contact block, leads Electric piece, adjustment block, adjustment bar and adjustment motor.The chassis includes mounting disc and wire casing disk, and mounting disc is located at the right side of wire casing disk Side.Chassis sliding contact in placing tube.Mounting disc and wire casing disk are the disk that circumference is equipped with four uniformly distributed convex blocks, disk Diameter slightly under in the aperture of placing tube.The position of convex block is corresponding with four notches of placing tube and shape matches, with propulsion Corresponding two convex blocks in hole are to promote convex block, and two convex blocks corresponding with outlet hole are outlet convex block, mounting disc and wire casing disk Middle part is equipped with the identical circular hole in aperture.The mounting disc promotes the inside of convex block to be fixedly connected with item is promoted, and mounting disc outlet is convex It is hinged with contact bar on the inside of block, sets that there are two conductive hole, the conduction hole locations in mounting disc on the line of two outlet convex blocks Inside at contact bar and mounting disc articulated connection.The wire casing disk is set there are two conductive trough, and the conductive trough is rectangular channel, The line coincident of the center line of its length direction and two outlet convex blocks, the distal end of conductive trough and the outer ledge of outlet convex block are flat Together, one end close to the center of circle is concordant close to the side in the center of circle with conductive hole.The adjustment motor is mounted on the left side of wire casing disk Lower part adjusts end face of the shaft perpendicular to wire casing disk of motor.Adjust motor shaft be equipped with gear, the adjustment motor and Controller electrical connection.The propulsion item is long rack gear, and item toothed one is promoted to face outwardly, and promotes crest top land and the chassis of item Lateral surface is tangent.The right end end of the contact bar and contact block are articulated and connected, and the right end for contacting bar is set there are two reset baffle block, Be embedded with reset spring between two reset baffle blocks, reset spring be spring join end to end composition annular spring pocket, it is multiple Position spring pocket is on two contact bars.The conductive sheet includes conductive bar and conducting block, and the conducting block is multilayer Elliptic Cylinder Structure, and be superimposed into a ladder, conducting block top is to set threaded cylindrical body, and be furnished with nut.The lateral surface of conducting block Equipped with corrugation grooves.The conductive bar is metal strip to be matched with the shape of conductive trough, and be embedded in inside conductive trough, the end of conductive bar End leans out the outside of mounting disc across conductive hole, and conductive bar end is electrically connected by conducting wire and contact block, and conductive sheet is led Electric item and conducting block are an integral molding structure.The adjustment bar is hollow structure, and the right side for adjusting bar is equipped with external screw thread, adjusts bar Left side and chassis circular hole by bearing connect, adjustment bar and chassis junction left side be equipped with adjustment gear, the adjustment Gear with adjustment motor on gear matches and be engaged.The corresponding position for promoting item of the adjustment block is equipped with guide groove, promotes item It is stuck in inside guide groove, corresponding contact bar position is equipped with regulating tank, and contact bar is stuck in the inside of regulating tank, and the center of adjustment block is set There is a threaded circular hole, adjustment block and adjustment bar are spirally connected connection.The distance between two regulating tanks are greater than two contact bars and peace The distance between sabot hinged place.

Preferably, the box set is respectively provided with a third fixing seat close to two opposite sides of one end of main body, It is fixedly connected on the inside of third fixing seat one end and box set, the other end is abutted with fixing pipe, and the middle part of third fixing seat is equipped with Circular hole, the aperture of the circular hole are greater than the outer diameter of pulling box spring.

Preferably, the top of the adjustment bar is equipped with mounting platform, and mounting platform central upper portion is equipped with clearing apparatus, described Mounting platform is round tube closed at both ends, and the lower part of mounting platform is fixedly connected with adjustment bar and junction communicates, mounting platform The end face on side and right side is equipped with air suction opening, and the clearing apparatus includes cleaning motor, cross brace, hairbrush, the cleaning electricity The shaft of machine is vertical with mounting platform, and a branch of cross brace is fixedly connected with shaft, and hairiness is installed by the other three branch Brush, the left end for adjusting bar are equipped with dust catcher connects bayonet socket, and the lower side of the adjustment bar on the left of chassis is equipped with power supply lead wire Hole.

Preferably, the support tube includes two shells, two bearings, roller and driving device.The shell is circle Cylinder, the inside of shell are equipped with inner ring v notch v, and the top of shell is equipped with driving groove, the lateral surface of the driving groove connection shell and The driving groove notch of inner ring v notch v, two shells is opposite.The roller is cylinder, is respectively provided with one on the outside of the both ends of roller Outer ring v notch v, the bearing socket is outside on annular notch, and the lateral surface of bearing and the lateral surface of roller are concordant, the length of roller It spends identical as the sum of the length of two inner ring v notch vs.The inner wall of the roller is equipped with hairbrush, and the outer wall of roller is toothed around, and covers The roller for being connected to bearing is mounted on the cavity inside that the inner ring v notch v of two shells is constituted.The driving device includes protective cover With main body motor, the shaft of motor, which is equipped with, is equipped with rotating-shaft support devices, institute with the matched gear of cylinder outer wall, the opposite side of motor State the engaged gears that gear passes through driving groove and roller.The main body motor and the controller of support tube lower part are electrically connected

Preferably, the Soft contact body on the grip slipper is rubber or sponge.

Preferably, the making material of the conductive bar and contact block is red copper, and the conducting wire for connecting conductive bar and contact block is adopted With annealed copper wire, for connecting position of wires by being welded to connect, the one side hinged with contact bar of the contact block is equipped with vibrating motor, At zigzag, vibrating motor and controller are electrically connected one side corresponding thereto, the conducting wire of connection by adjusting bar hollow tube Chamber is drawn.

A kind of handcart type breaker loop resistance test device, application method are as follows:

Step 1: according to the length of the length adjustment supporting rod of moving contact of breaker conducting rod；Step 2: both hands hold adjusting The handle and pull rod of device, lift whole device, at this time box set by bracing wire pulling force and moving out makes clamping device and main body The distance in axle center increases；Step 3: by the center of the moving contact of the axes alignment breaker of main body, releasing lever is entire at this time to fill It sets and is clamped on the cross bar of the moving contact of breaker；Step 4: contact device is advanced to the dynamic touching of breaker by starting propulsion electric machine Inside the pore of the conducting rod of head；Step 5: starting adjustment motor connects contact block and the inner wall of the pore of breaker conducting rod Touching；Step 6: the binding clip of circuit resistance tester being clipped in conducting block top, circuit resistance tester is opened and starts to test；Step Rapid 7: after the completion of test, reversion adjustment motor inverts propulsion electric machine, contact device is exited to the pore of the conducting rod of breaker； Step 8: holding handle and pull rod unloads test device.

Preferably, the step 3 is further comprising the steps of: where the support tube include two shells, two bearings, Roller and driving device.The shell is cylinder, and the inside of shell is equipped with inner ring v notch v, and the top of shell is equipped with transmission Slot, the lateral surface and inner ring v notch v of the driving groove connection shell, the driving groove notch of two shells are opposite.The roller is Cylinder, is respectively provided with an outer ring v notch v on the outside of the both ends of roller, and the bearing socket is outside on annular notch, bearing it is outer Side is concordant with the lateral surface of roller, and the length of roller is identical as the sum of the length of two inner ring v notch vs.The roller it is interior Wall is equipped with hairbrush, and the outer wall of roller is toothed around, and the roller for being socketed with bearing is mounted on the inner ring v notch v composition of two shells Cavity inside.The driving device includes protective cover and main body motor, and the shaft of motor is equipped with matched with cylinder outer wall Gear, the opposite side of motor are equipped with rotating-shaft support devices, and the gear passes through the engaged gears of driving groove and roller.The main body electricity Machine and the controller of support tube lower part are electrically connected.Its step is step 3.1, to start main body motor by controller, make roller Rotation；Step 3.2, starting propulsion electric machine is advanced into contact with device；Step 3.3, after contact block reaches drums inside, drum inside wall Hairbrush and contact block friction realize to contact block clean and oxide layer polishing；Step 3.4, contact block is closed after exiting roller Main body motor.

Preferably, the step 4 is further comprising the steps of: where the top of the adjustment bar is equipped with mounting platform, installation Platform upper center is equipped with clearing apparatus.The mounting platform is round tube closed at both ends, the left end face and tune of mounting platform Whole bar is fixedly connected and junction communicates, and the end face on mounting platform side and right side is equipped with air suction opening.The clearing apparatus includes Clean motor, cross brace, hairbrush, it is described clean motor shaft it is vertical with mounting platform, a branch of cross brace with Shaft is fixedly connected, and the other three branch is equipped with hairbrush, and the left end for adjusting bar is equipped with dust catcher connects bayonet socket, and it is left to be located at chassis The lower side of the adjustment bar of side is equipped with power supply lead wire hole.Its step is, step 4.1, by the sweep-up pipe of dust catcher and adjustment bar Left end buckle interface connection；Step 4.2, first start clearing apparatus, then start propulsion electric machine, to breaker conduction rod tube Hole inner wall carries out cleaning the polishing with oxide layer；Step 4.3, after contact device enters the pore of breaker conducting rod, electricity is promoted Machine closes clearing apparatus after being automatically closed, finally remove the sweep-up pipe of dust catcher.

Preferably, the step 5 is further comprising the steps of: starting adjustment motor makes the pore inner wall of contact block and conducting rod It contacts and opposite can slide, be set as moving back and forth by propulsion electric machine at this time, to realize contact block to conducting rod pore Inner wall carries out the polishing of oxide layer, stops propulsion electric machine after the completion of polishing, and starting adjustment motor makes contact block and conducting rod pore Inner wall comes into full contact with.

The beneficial effects of the present invention are:

1, the supporting rod in clamping device is telescopic rod, is adapted to the length of the moving contact cross bar of the breaker of different model Degree；

2, the contact bar for contacting the installation contact block in device is connect by the way of hinged with chassis, and by adjusting Block and adjustment bar realize the opening and closing of contact bar, can adapt to the aperture of the pore of different model breaker conducting rod；

3, it is provided with clearing apparatus in the right end of adjustment bar, the hairbrush on clearing apparatus has polishing breaker conduction rod tube Also there is air suction opening the dust of cleaning can be sucked out for the function of hole inner oxide layer, the mounting platform for installing clearing apparatus；

4, the inside of main body is equipped with roller, and the inner surface of roller is equipped with hairbrush, contact block can be cleaned and be beaten Mill；

5, conducting block uses Elliptic Cylinder stepped construction, is adapted to the binding clip of various circuit resistance testers, simultaneously Most upper one layer is cylinder screw, has the function of crimping toroid nose.

Detailed description of the invention

Fig. 1 is a kind of a kind of main view of example of handcart type breaker loop resistance test device of the present invention,

Fig. 2 is a kind of a kind of left view of example of handcart type breaker loop resistance test device of the present invention,

Fig. 3 is a kind of a kind of right view of the contact device of example of handcart type breaker loop resistance test device of the present invention Figure,

Fig. 4 is a kind of a kind of main view of the contact device of example of handcart type breaker loop resistance test device of the present invention Figure,

Fig. 5 is the section view in the direction B in a kind of a kind of Fig. 4 of example of handcart type breaker loop resistance test device of the present invention Figure,

Fig. 6-a is a kind of a kind of wire casing disk figure of example of handcart type breaker loop resistance test device of the present invention,

Fig. 6-b is a kind of a kind of mounting disc figure of example of handcart type breaker loop resistance test device of the present invention,

Fig. 7 is a kind of a kind of section view of the clamping device of example of handcart type breaker loop resistance test device of the present invention Figure,

Fig. 8 is the section view in the direction A in a kind of a kind of Fig. 7 of example of handcart type breaker loop resistance test device of the present invention Figure,

Fig. 9 is a kind of a kind of cross-sectional view of the main body of example of handcart type breaker loop resistance test device of the present invention,

Figure 10 is a kind of a kind of schematic diagram of the adjustment block of example of handcart type breaker loop resistance test device of the present invention,

Figure 11-a is a kind of a kind of shell schematic diagram of example of handcart type breaker loop resistance test device of the present invention,

Figure 11-b is a kind of a kind of roller schematic diagram of example of handcart type breaker loop resistance test device of the present invention,

Figure 12 is the region C amplification in a kind of a kind of Figure 10 of example of handcart type breaker loop resistance test device of the present invention Figure.

In figure,

1. main body, 11. support tubes, 111. controllers, 12. placing tubes, 121. advancement holes, 122. outlet holes, 13. shells, 131. inner ring v notch v, 132. driving grooves, 14. bearings, 15. rollers, 151. outer ring v notch vs, 16. driving devices, 161. main bodys Motor,

32. bracing wire, 323. pulling box springs, 33. fixing pipes, 331. roller bearings, 332. first fixing seats, 34. box sets, 342. Two fixing seats, 343. third fixing seats, 35. supporting rods, 36. grip slippers, 361. Soft contact bodies, 37. pull rods, 38. handles, 381. hand grip portions, 382. support portions, 383. interconnecting pieces,

41. chassis, 411. mounting discs, 412. wire casing disks, 413. conductive holes, 414. conductive troughs, 42. promote item, 43. contacts Bar, 431. reset baffle blocks, 432. reset springs, 44. contact blocks, 45. conductive sheets, 451. conductive bars, 452. conducting blocks, 46. adjust Monolith, 461. guide grooves, 462. regulating tanks, 47. adjustment bars, 471. adjustment gears, 472. mounting platforms, 473. clearing apparatus, 48. adjusting motor.

Specific embodiment

To keep technical solution of the present invention and beneficial effect clearer, embodiments of the present invention are done further below Explain in detail.

As depicted in figs. 1 and 2, a kind of handcart type breaker loop resistance test device, including main body 1, in order to make the dress It sets and is capable of fixing on the moving contact of breaker, be provided with clamping device in the outside of main body 1, while electrical connection will be used for Contact device is mounted on the inside of main body 1.

The function of contacting device is connect with the moving contact of breaker.The moving contact of breaker is by conducting rod and fingertip structure At fingertip is connected to the external end of conducting rod.Fingertip is often clamped using tension disk in reality, but effect it is bad and And it will affect measurement result.And the conducting rod of breaker is hollow tubular, extend into the pore of conducting rod by a device Inside, then compressing the device makes it that conducting rod pore inner wall be gone to realize good contact, therefore devises connect around this principle Touch device.

Main body 1 is the frame of whole device, provides the platform of an assembling and work for other devices and equipment.Due to master Body 1 needs mounting clamping device and contact device, and main body 1 is designed as two parts, including support tube 11 and placing tube 12.Such as figure Shown in 1, support tube 11 is located at the right side of placing tube 12 and is fixedly connected.Since contact device is needed in 1 internal slide of main body, because This support tube 11 is identical with the internal diameter of placing tube 12 and axial line is overlapped.Due to the propulsion of contact device and the tune of contact block 44 It is whole to need to use motor therefore in the lower part of support tube 11 setting controller 111.There is control circuit in controller 111, due to more It controls for the positive and negative rotation and start-stop of motor, is made of in controller 111 microprocessor, midget relay and button switch.

As shown in Fig. 2, placing tube 12 is a cylinder, for carrying the moving contact for contacting device and promoting breaker for it Slideway is provided inside the pore of conducting rod.To realize the extraction for driving contact device and facilitating power supply line, in placing tube 12 Four strip holes are provided on barrel.The length direction of strip hole is parallel with the direction of axis line of placing tube 12, four strip holes It is evenly distributed on the circumference of placing tube 12, i.e., each one up and down.In horizontal direction, the strip hole of the left and right sides is to push away Into hole 121, to realize the propulsion of contact device.On vertical direction, the strip hole of upper and lower two sides is outlet hole 122, to incite somebody to action The conductive sheet 45 of contact device leans out placing tube 12 to facilitate the wiring of circuit resistance tester.Since contact device needs are being put It sets the internal slide of cylinder 12, therefore advancement holes 121 and outlet hole 122 penetrate through 12 two end faces of placing tube, i.e., advancement holes 121 and goes out Placing tube 12 is divided into four circular arc portions by string holes 122.

As shown in Figure 1, being set in the left end face of support tube 11 electric there are two promoting to realize that contact device promotes automatically Machine 123.As shown in Fig. 2, two propulsion electric machines 123 are separately positioned on placing tube 12 and support tube 11 junction two advancement holes 121 outside.Gear is provided in the shaft of propulsion electric machine 123, gear protrudes into the inside of advancement holes 121 and slightly protrudes To the inside of placing tube 12.Due to the strip hole that advancement holes 121 is horizontal direction, the shaft of propulsion electric machine 123 is put vertically It sets.Propulsion electric machine 123 is electrically connected by conducting wire and the control circuit inside controller 111.

In order to realize that the handcart type breaker loop resistance test device is capable of fixing the contact of breaker in various models On, it is two parts of clamper and adjuster by holding device design.Moving contact of the clamper to clamp breaker, adjuster To adjust the openings of sizes of clamper.

As shown in Fig. 2 and Fig. 1, clamper includes fixing pipe 33, box set 34, supporting rod 35 and grip slipper 36.

Fixing pipe 33 is vertical with 11 outer surface of support tube and is fixedly connected.It is preferably clamped to realize and guarantees to fill The stabilization set, the quantitative design of fixing pipe 33 is three, and is evenly distributed in the surrounding of support tube 11.For the ease of box set Fixing pipe 33 is designed as rectangular tube by 34 installation and sliding.And another purpose for being designed to tubulose is to facilitate bracing wire 32 placement.As shown in fig. 7, due to being equipped with bracing wire 32 in fixing pipe 33,32 one end of bracing wire connects the second fixing seat 342, one Hold connecting rod 37.Since bracing wire 32 needs to slide in the case where stress, the end of fixing pipe 33 is needed Do some improvement.As shown in figure 8, firstly, opposite two side of the end of the distal end in fixing pipe 33 apart from support tube 11 Upper end open up a notch, the notch of two sides is symmetrical.Then, a roller bearing 331 is installed in the intermediate of notch, roller bearing 331 Axial line is parallel with the side where notch.The effect of bracing wire 32 be make when pulled box set 34 apart from the distance of support tube 11 Increase, restore it after increase and there is chucking power, needs a pulling box spring 323 past to box set 34 1 The axle center pulling force of support tube 11.As shown in figure 11, exist for the ease of installing pulling box spring 323 and not influencing the sliding of box set 34 Fixing pipe 33 is provided with the first fixing seat 332 close to the side of support tube 11.

Fixing pipe 33 is used to clamper being connected to support tube 11, realizes that the expansion of clamper also needs to install a set Box 34.As shown in figure 8, in order to realize cunning that box set 34 can be stable in fixing pipe 33 by 32 pulling force of bracing wire Dynamic, the height of box set 34 is slightly less than the height of fixing pipe 33, and width is greater than the width of fixing pipe 33.For the ease of fixed pulling box The second fixing seat 342 is provided on two sides at the middle part of spring 323 and bracing wire 32 inside box set 34.Pulling box spring 323 One end is fixed in the first fixing seat 332, and the other end is fixed on the second ipsilateral fixing seat 342.

Preferably, box set 34 is shaken when sliding in order to prevent, is equipped with third close to one end of main body 1 in box set 34 Fixing seat 343.As shown in figure 12, there are two the insides respectively with 34 two opposite sides of box set to fix for third fixing seat 343 Connection, the other end of third fixing seat 343 are abutted with fixing pipe 33.In order to guarantee the normal work of pulling box spring 323, in third The position of the centre of fixing seat 343 has been equipped with circular hole, and the internal diameter of circular hole is greater than the outer diameter of pulling box spring 323.

As shown in Figure 1, being fixedly connected in one end of the separate support tube 11 of box set 34 with supporting rod 35.In order to adapt to The length of the breaker of various models, the moving contact of breaker connecting rod of different model is different, therefore is one for supporting rod 35 and stretches Contracting bar.Supporting rod 35 is located at the right side of box set 34, and the axis parallel with support tube 11.The other end and grip slipper of supporting rod 35 36 are fixedly connected.The function of grip slipper 36 is realization and the contact of moving contact of breaker connecting rod and clamping, therefore grip slipper 36 is Plate.As shown in Figure 1, grip slipper 36 is equipped with Soft contact body 361 close to the side of support tube 11.Soft contact body 361 to The connecting rod of contact breaker moving contact and guarantee that the connecting rod of moving contact is not destroyed.

The diameter of the connecting rod of its different moving contact of the model of breaker is also different, to realize the breaker to different model Grip and need an adjuster also to adjust 36 opening and closing of grip slipper.As depicted in figs. 1 and 2, adjuster includes Handle 38, pull rod 37 and bracing wire 32.For beauty and facilitate operation, as shown in Fig. 2, setting there are two adjusters and symmetrically It is placed in the left and right sides of main body 1.

One function of handle 38 is that personnel is facilitated to take, another function is to pull bracing wire 32 to adjust supporting rod 35 With the degrees of expansion of grip slipper 36.Therefore handle 38 is divided to for 381, two support portions 382 of hand grip portion and two interconnecting pieces 383. Hand grip portion 381 is strip, and interconnecting piece 383 is tubulose, and two interconnecting pieces 383 are located at the both ends of hand grip portion 381 and pass through support Portion 382 connects, and support portion 382 is perpendicular to hand grip portion 381 and interconnecting piece 383.The upper end of the interconnecting piece 383 on left side adjuster top It being connect with the fixing pipe 33 in left side, the upper end of the interconnecting piece 383 on right side adjuster top and the fixing pipe 33 on right side connect, and two The interconnecting piece 383 of the lower part of adjuster is all connect with the fixing pipe 33 of lower part.The junction of interconnecting piece 383 and fixing pipe 33 is all It communicates.

It is mobile to realize that the key adjusted is that bracing wire 32 pulls box set 34, if the meeting opponent of bracing wire 32 is directly drawn to cause with hand Injury, therefore a pull rod 37 is provided in the centre of two interconnecting pieces 383.Pull rod 37 is cylindrical body.Bracing wire 32 is connected to The both ends of pull rod 37.Pull rod 37 and interconnecting piece 383 are in the same plane.Due to the effect of support portion 382,381 He of hand grip portion There are a certain distance between interconnecting piece 383, can satisfy the scope of activities that pull rod 37 pulls bracing wire 32.As shown in fig. 7, pull rod The interconnecting piece 383 that the bracing wire 32 on 37 tops passes through top enters inside fixing pipe 33 connected to it, then passes around fixing pipe 33 The roller bearing 331 of distal end is connect with the second fixing seat 342.The bracing wire 32 of 37 lower part of pull rod pass through lower part interconnecting piece 383 enter with Inside its fixing pipe 33 connected, the roller bearing 331 for then passing around 33 distal end of fixing pipe is connect with the second fixing seat 342.At this point, such as Fruit both hands, which hold pull rod 37, keeps it close to hand grip portion 381, and bracing wire 32 can pull box set 34 to be displaced outwardly.

The function of the handcart type breaker loop resistance test device is to realize that circuit resistance tester and breaker are conductive The good contact of bar realizes that the contact device of electrical connection includes chassis 41, promotes item 42, connects as shown in Fig. 3, Fig. 4 and Fig. 5 Feeler lever 43, contact block 44, conductive sheet 45, adjustment block 46, adjustment bar 47, adjustment motor 48.

The function on chassis 41 is to provide the position of installation for the other equipment of contact device, and realize in placing tube 12 The guiding role of sliding.As shown in figure 5, the installation and insulation protection of conductive sheet 45 for convenience, chassis 41 use insulating materials Two-part combination is made and is designed as, including mounting disc 411 stacked together and wire casing disk 412.Such as Fig. 6-a and Fig. 6- Shown in b, mounting disc 411 and wire casing disk 412 are the disk for being surrounded by four uniformly distributed convex blocks, the position of convex block and placing tube 12 The position correspondingly-shaped of strip hole matches.Convex block corresponding with advancement holes 121 is to promote convex block, corresponding with outlet hole 122 convex Block is outlet convex block.As shown in Fig. 2, chassis 41 is mounted on the inside of placing tube 12, and can be in 12 internal slide of placing tube.For It is conveniently adjusted the installation of bar 47, is equipped with identical circular hole at the middle part of mounting disc 411 and wire casing disk 412.

As shown in Figure 3 and Figure 4, it on the end face on 411 right side of mounting disc, promotes the inside of convex block and promotes one end of item 42 It is fixedly connected.As shown in Figure 3 and Figure 5, on 411 right-hand end end face of mounting disc, the inside of outlet convex block and contact bar 43 are hinged Connection.As shown in Fig. 6-b, the inside at contact bar 43 and 411 articulated connection of mounting disc is equipped with conductive hole 413.

Conductive sheet 45 is electrically connected by soft wire and contact block 44, and the effect of conductive sheet 45 is exactly to realize and circuit electricity The connection of tester is hindered, therefore conductive sheet 45 needs 44 electricity of contact block inside chassis 41 by the contact device in placing tube 12 Source is led to the outside of placing tube 12.Conductive hole 413 in mounting disc 411 is wanted to realize that conductive sheet 45 introduces inside chassis 41 Outside is reached inside chassis 41 in order to which the connection of tension disk also needs to be arranged a conductive trough 414.As shown in figure 5, leading Electric slot 414 is located at the right end face of wire casing disk 412, as shown in fig. 6, conductive trough 414 is the rectangular channel on vertical direction, i.e., it is conductive The line coincident of the center line of the length direction of slot 414 and two outlet convex blocks.As shown in fig. 6, the lower end of conductive trough 414 with lead The side in the close center of circle in electric hole 413 is concordant, and the upper end of conductive trough 414 is concordant with the upper end of outlet convex block.

In order to adjust the folding realization and the contact of breaker conducting rod of contact block 44 by rotating adjustment bar 47, online The lower part in the left side of slotted disk 412 is provided with adjustment motor 48.The shaft of the adjustment motor 48 is vertical with wire casing disk 412, shaft It is equipped with gear.It adjusts motor 48 and controller is electrically connected.

As shown in figure 4, propulsion item 42 is long rack gear, toothed in order to realize the transmission for promoting item 42 and propulsion electric machine 123 One faces outwardly, and crest top land and the lateral surface on chassis 41 are tangent.Promote the engaged gears on item 42 and propulsion electric machine 123.

As shown in figure 5, contact bar 43 is the connecting rod for connecting contact block 44 and chassis 41, left side and the installation of bar 43 are contacted Disk 411 is articulated and connected, and the right end end and contact block 44 for contacting bar 43 are articulated and connected.Contact block 44 is made of an electric conductor Square, contact bar 43 are that stock is made in insulating materials.Contact bar 43 may be implemented by adjusting the adjusting of block 46 in contact bar 43 Expansion, the function of 43 initial position of bar but adjustment block 46 does not resume contacts, therefore the left side for contacting bar 43 are answered there are two setting Position block 431, is embedded a reset spring 432 between two reset baffle blocks 431.In order to realize answering for two contact bars 43 Position, reset spring 432 be spring join end to end composition annular spring pocket, two contact bars 43 are enclosed in reset spring 432 It is interior.

As shown in figure 5, conductive sheet 45 needs the wiring of contact block 44 and external circuit resistance tester inside connection Folder.Therefore conductive sheet 45 is designed as two parts, including conductive bar 451 and conducting block 452.Conducting block 452 is multilayer cylindroid Body structure, and into a ladder, the size of Elliptic Cylinder on the lower is greater than the size of the Elliptic Cylinder on top.Elliptic Cylinder has side Just the clamping of crocodile mouth wire clamp, but some circuit resistance testers are attached using O-shaped line nose, therefore conducting block 452 Top is designed as threaded cylindrical body, and is furnished with nut.In order to facilitate the clamping of binding clip, in the side of Elliptic Cylinder The length direction of groove provided with ripple row, ripple is parallel with 1 side of main body.The lower part of conducting block 452 and conductive bar 451 connect It connects.In order to make conductive bar 451 be mounted on the inside on chassis 41, the shape of conductive bar 451 is matched with the shape of conductive trough 414.For Chassis 41 two-part combination is not influenced, conductive bar 451 is embedded in the inside of conductive trough 414.The end of conductive bar 451 passes through and leads Electric hole 413 leans out the right side of mounting disc 411.In order to guarantee the good electric conductivity of conductive sheet 45, conductive sheet 45 is integrated into The structure of type.

Contact bar 43 why with chassis 41 and contact block 44 articulated connection be exactly in order to adapt to different model breaker, because Aperture for the pore of the conducting rod of the breaker of different model is different.In order to realize the expansion of contact bar 43 in chassis 41 The heart is provided with adjustment bar 47, and the right side of adjustment bar 47 is equipped with screw thread, is equipped with adjustment block 46 being equipped at screw thread.Such as Fig. 4 and Fig. 5 It is shown, it adjusts and is connect by bearing with the circular hole on chassis 41 on the left of bar 47.

The function of adjustment block 46 is two contact bars 43 of expansion, while guarantee adjustment block 46 in need cannot be with adjustment bar 47 rotation and rotate.As shown in Figure 10, the corresponding position for promoting item 42 of adjustment block 46 is equipped with guide groove 461, and item 42 is promoted to block It is located at the inside of guide groove 461.The position of the corresponding contact bar 43 of adjustment block 46 is equipped with regulating tank 462, and contact bar 43 is fastened on tune Save the inside of slot 462.In order to realize the expansion of two contact bars 43, the distance between two regulating tanks 462 are greater than two contacts The distance between bar 47 and 411 hinged place of mounting disc, it is adjustable to be formed a taper for contact bar 43 and adjustment block 46 as a result, Cone.The adjustment for achieving that two contact bars 43 are expanded is moved left and right by adjusting block 46.

In order to realize and adjust the connection and transmission of bar 47, threaded circular hole, circular hole are equipped at the center of adjustment block 46 Screw thread and adjustment 47 right hand external of bar screw thread matching.

As shown in figure 4, the rotation in order to realize adjustment bar 47, is equipped with adjustment gear on the adjustment bar 47 in 41 left side of chassis 471, adjustment gear 471 with adjustment motor 48 on gear matches and be interlocked.

Preferably, it in order to realize the polishing for carrying out cleaning and oxide layer inside the pore to breaker conducting rod, exchanges Whole bar 47 is improved.Firstly, the right end in adjustment bar 47 is provided with mounting platform 472, then on the right side of mounting platform 472 End is provided with clearing apparatus 473.It cleans and many metal smalls can be generated after polishing, the method that metal smalls is removed can Using dust exhaust apparatus, therefore the ontology of adjustment bar 47 is borrowed, since adjustment bar 47 is hollow structure, i.e., adjustment bar 47 is circle Cylinder, by the left end design for adjusting bar 47 for convenience of the bayonet interface of dust catcher connection.Mounting platform 472 is designed as closed at both ends Round tube, left end is fixedly connected with adjustment bar 47, and is communicated in junction.At the surrounding of mounting platform 472 and the end on right side Air suction opening 474 is provided on face.Thus the dust in conducting rod pore can be sucked out by dust catcher.

Clearing apparatus 473 is mounted on the middle part of the bottom surface of 472 right end of mounting platform, clearing apparatus 473 include clean motor, Cross brace, hairbrush.The plane perpendicular of the shaft for cleaning motor and mounting platform 472, one of shaft and cross brace Branch is fixedly connected, and the other three branch of cross brace is fixedly connected with hairbrush respectively.In order to reach the mesh of polishing oxide layer The one of branch of hairbrush on hairbrush using soft metal silk make.Power supply is equipped on the side of the left end of adjustment bar 47 Fairlead, the power supply line perforation air suction opening 474 of clearing apparatus 473 and power supply lead wire hole are led to controller 11.

In use, contact block 44 can equally face the phenomenon that surface oxidation, since oxide layer does not utilize and open circuit The contact of device conducting rod and cause test result inaccurate, it is therefore desirable to periodically polished and cleared up to contact block 44.More preferably , in order to realize the automatic cleaning of equipment, support tube 11 is improved.

Since contact device is mounted on the inside of main body 1, under normal condition, contact block 44 is located at the inside of support tube 11, Therefore support tube 11 is designed as the roller 15 that a cylinder inner wall is equipped with hairbrush.For as shown in figure 9, realizing the installation of roller 15 And rotation, support tube 11 include following component, two shells, 13, two bearings 14, roller 15 and driving device 16.Such as Figure 11-is shown, in order to realize the installation and fixation of roller 15, the both ends of roller 15 outside be equipped with outer ring v notch v 151, two A bearing 14 is set on outer ring v notch v 151, and the diameter of the outer ring of bearing 14 is slightly larger than the outer diameter of roller 15.Bearing 14 It covers on roller 15, the bottom surface of bearing 14 is concordant with the bottom surface of roller 15, and the inner ring of bearing 14 is fixedly connected with roller 15.In order to Realize that the rotation of roller 15 is toothed around in the side of roller 15, therefore the exterior contour of roller 15 is a gear.

Roller 15 also needs a bracket to rotate roller 15 at this time, therefore to be equipped with the roller 15 of bearing 14 Provided with two shells 13.As shown in Fig. 9 and 11-a, the inside of shell 13 is equipped with inner ring v notch v 131, and the internal diameter of shell 13 has The internal diameter of roller 15 is identical, and the internal diameter of inner ring v notch v 131 is identical as the outer diameter of bearing 14, and 131 depth of inner ring v notch v is rolling The half of 15 height of cylinder, so, the roller 15 for being equipped with bearing 14 are just wrapped in the inside of two shells 13.In order to realize Rotation also needs a driving device 16, and driving device 16 includes an outer cover and main body motor 161.Driving device 16 is mounted on The top of support tube 11, the shaft of driving motor 161 and the axis parallel of support tube 11.In order to realize transmission, in shaft Provided with the matched gear in the outside of roller 15, and be provided with driving groove 132 on the top of shell 13.The position of driving groove 132 It is corresponding with the position of the gear on main body motor 161, so that gear is by the engaged gears on driving groove 132 and roller 15, pass Dynamic slot 132 penetrates through side and the inner ring v notch v 131 of shell 13.When installation, the notch phase of the driving groove 132 of two shells 13 It is right.

Preferably, in order to which the conducting rod of protective breaker is not destroyed, the Soft contact body 361 on grip slipper 36 is rubber Or sponge.

Preferably, in order to reduce influence of the test device to test result, conductive sheet 45 and contact block 44 utilize red copper material Material production, the conducting wire for connecting conductive sheet 45 and contact block 44 equally use metallic copper.In order to reduce the contact resistance of tie point, lead Line is connected by the way of welding with the junction of conductive sheet 45 and contact block 44, i.e., is carried out using scolding tin to tie point round and smooth Connection.

Preferably, to make contact block 44 and breaker conducting rod reach preferably contact effect, by contact block 44 and open circuit The contact of device conducting rod is designed as zigzag on one side.

The application method of this handcart type breaker loop resistance test device are as follows:

Step 1: the supporting rod 35 of the device is Telescopic rod structure, in use, according to the length of moving contact of breaker cross bar The length of supporting rod 35 is adjusted, so that clamping device can make main body 1 be in suitable position.

Step 2: both hands hold the handle 38 and pull rod 37 of adjuster, lift whole device, and pull rod 37 is to handle 38 at this time Close, bracing wire 32 pulls out from 383 nozzle of interconnecting piece, box set 34 by the pulling force and moving out of bracing wire 32 make clamping device with The distance in 1 axle center of main body increases.

Step 3: after clamping device expansion, by the center of the moving contact of the axes alignment breaker of main body 1, releasing lever 37, at this time due to the effect of pulling box spring 323, box set 34 is restored toward the axle center of main body 1, to make supporting rod 35 and grip slipper 36 It is clipped on the cross bar of the moving contact of breaker, reaches fixed effect.

Preferably, according to the structure of support tube 11, step 3 is further comprising the steps of:

Step 3.1, main body motor 161 is started by controller 111, rotates roller 15；

Step 3.2, starting propulsion electric machine 123 is advanced into contact with device,

Step 3.3, after contact block 44 reaches 15 inside of roller, hairbrush and contact block 44 friction of 15 inner sidewall of roller are realized Polishing to contact block 44 cleaning and oxide layer,

Step 3.4, contact block 44 closes main body motor 161 after exiting roller 15.

Step 4: after whole device is fixed on the moving contact of breaker, starting propulsion electric machine 123, device will be contacted It is advanced to inside the pore of the conducting rod of moving contact of breaker.

Preferably, since the right end of adjustment bar 47 is equipped with mounting platform 472.472 right side of mounting platform, which is equipped with, cleans dress Set 473.Therefore step 4 is further comprising the steps of:

Step 4.1, the sweep-up pipe of dust catcher is connect with the buckle interface of the left end of adjustment bar 47；

Step 4.2, first start clearing apparatus 473, then start propulsion electric machine 123, to breaker conducting rod pore inner wall It carries out cleaning the polishing with oxide layer,

Step 4.3, after contact device enters the pore of breaker conducting rod, propulsion electric machine 123 is closed clear after being automatically closed Sweeping device 473 finally removes the sweep-up pipe of dust catcher.

Step 5: after inside the pore for the conducting rod that contact device enters moving contact of breaker, starting adjustment motor 48.Gear on adjustment motor 48 drives the rotation of adjustment gear 471 to drive adjustment bar 47 to rotate.Due to 47 left side of adjustment bar Equipped with screw thread, adjustment block 46 can move to the left, and contact bar 43 is strutted, the pore of contact block 44 and breaker conducting rod is made Inner wall contact.

Preferably, step 5 is further comprising the steps of:

Starting adjustment motor 48 contacts contact block 44 with the pore inner wall of conducting rod and being capable of sliding contact；Electricity will be promoted Machine 123 is set as moving back and forth, and carries out the polishing of oxide layer to the inner wall of conducting rod pore to realize contact block 44；It has polished At rear stopping propulsion electric machine 123, starting adjustment motor 48 comes into full contact with contact block 44 with conducting rod pore inner wall.

Step 6: the binding clip of circuit resistance tester being clipped in 452 top of conducting block, circuit resistance tester is opened and opens Begin to test.

Step 7: after the completion of test, starting adjustment 48 opposite direction rotating switch of motor, drive adjustment bar 47 are inverted, are adjusted first Monolith 46 is moved to the left, and contact bar 43 is restored to original position under the action of reset spring 432.Then start propulsion electric machine 123 Reversing plug is the pore for contacting the conducting rod that device exits moving contact of breaker.

Step 8: holding handle 38 and pull rod 37, expand clamping device, device is removed from the moving contact of breaker Come.Supporting rod 35 is restored to original position after removing.

In conclusion only presently preferred embodiments of the present invention, is not supposed to be a limitation to the present invention, by above-mentioned Description, relevant staff completely can without departing from the scope of the technological thought of the present invention', carry out multiplicity change More and modify.Technical scope of the invention is not limited to the contents of the specification, all claimed range institutes under this invention The shape stated, construction, feature and the so-called equivalent changes and modifications of spirit should all include and scope of the presently claimed invention It is interior.

Claims

1. a kind of handcart type breaker loop resistance test device, it is characterised in that:

Including main body (1), clamping device, contact device, the main body (1) is tubular, and clamping device is mounted on the outer of main body (1) Portion, contact device are mounted on the inside of main body (1),

The main body (1) includes the support tube (11) that internal diameter is identical, axial line is overlapped, placing tube (12), support tube (11) it is outer Diameter is greater than the outer diameter of placing tube (12), and support tube (11) is located on the right side of placing tube (12) and is fixedly connected, under support tube (11) Portion is equipped with controller (111),

It is set along direction of axis line there are four strip hole on the barrel of the placing tube (12), four strip holes are evenly distributed on placement The surrounding of cylinder (12), two opposite strip holes are advancement holes (121) in horizontal direction, two opposite strips on vertical direction Hole is outlet hole (122), and support tube (11) left side bottom surface is set there are two propulsion electric machine (123), and propulsion electric machine (123) is located at The outside of advancement holes (121), propulsion electric machine (123) shaft are equipped with gear, and gear protrudes into advancement holes (121) inside, promotes electricity The shaft of machine (123) is placed vertically, and the propulsion electric machine (123) and controller (111) are electrically connected,

The clamping device includes clamper and adjuster, and the clamper includes fixing pipe (33), box set (34), supporting rod (35), grip slipper (36),

Fixing pipe (33) quantity is three and is evenly distributed on the surrounding of support tube (11), fixing pipe (33) and support tube (11) side is vertical and is fixedly connected, the end of two opposite sides of the one end of fixing pipe (33) far from support tube (11) It equipped with notch, is installed with inside notch roller bearing (331), left and right two side of the fixing pipe (33) close to the one end of support tube (11) Outside be respectively provided with first fixing seat (332),

The box set (34) covers on fixing pipe (33), and the inside in the middle part of two sides in box set (34) left and right is respectively provided with one the Two fixing seats (342) are connected with pulling box spring (323) between ipsilateral the first fixing seat (332) and the second fixing seat (342),

The supporting rod (35) is telescopic rod, and the axis parallel with main body (1), one end and box set (34) of supporting rod (35) It is fixedly connected on the right side of one end far from main body (1), supporting rod (35) other end is equipped with grip slipper (36), the grip slipper (36) For plate, grip slipper (36) is equipped with Soft contact body (361) towards the side of main body (1),

The adjuster includes handle (38), pull rod (37) and bracing wire (32), and there are two adjusters, and is symmetrically disposed on main body (1) the left and right sides,

The handle (38) includes hand grip portion (381), two support portions (382) and two interconnecting pieces (383), the hand grip portion It (381) is strip, the interconnecting piece (383) is tubulose, and two interconnecting pieces (383) are located at the both ends of hand grip portion (381) and lead to Cross support portion (382) connection, support portion (382) perpendicular to hand grip portion (381) and interconnecting piece (383),

The upper end of the interconnecting piece (383) on left side adjuster top and the fixing pipe (33) in left side connect, right side adjuster top The fixing pipe (33) on the upper end of interconnecting piece (383) and right side connects, the interconnecting piece (383) of the lower part of two adjusters all with lower part Fixing pipe (33) connection, interconnecting piece (383) communicates with fixing pipe (33) in junction,

The pull rod (37) is located at the centre of two interconnecting pieces (383) on the right side of hand grip portion (381), and with interconnecting piece (383) It is in the same plane,

The both ends of pull rod (37) are connected separately with bracing wire (32), and the interconnecting piece (383) that the bracing wire (32) of upper end passes through top enters It is connect around the roller bearing (331) of fixing pipe (33) with the second fixing seat (342) after fixing pipe (33) connected to it is internal,

After the interconnecting piece (383) that the bracing wire (32) of pull rod (37) lower part passes through lower part enters fixing pipe connected to it (33) inside It is fixedly connected around the roller bearing (331) of fixing pipe (33) with the second fixing seat (342),

The contact device includes chassis (41), promotes item (42), contact bar (43), contact block (44), conductive sheet (45), adjustment Block (46), adjustment bar (47) and adjustment motor (48),

The chassis (41) includes mounting disc (411) and wire casing disk (412), and mounting disc (411) is located at the right side of wire casing disk (412) Side, chassis (41) are contacted in placing tube (12) internal slide,

Mounting disc (411) and wire casing disk (412) are the disk that circumference is equipped with four uniformly distributed convex blocks, and the diameter of disk is slightly less than The aperture of placing tube (12), and four notches of placing tube (12) are corresponding and shape matches for the position of convex block, with advancement holes (121) corresponding two convex blocks are to promote convex block, and two convex blocks corresponding with outlet hole (122) are outlet convex block, mounting disc (411) and the middle part of wire casing disk (412) is equipped with the identical circular hole in aperture,

The mounting disc (411) promotes the inside of convex block to be fixedly connected with propulsion item (42), mounting disc (411) outlet convex block it is interior Side is hinged with contact bar (43), sets that there are two conductive hole (413) on the line of the upper two outlet convex blocks of mounting disc (411), described Conductive hole (413) is located at the inside at contact bar (43) and mounting disc (411) articulated connection,

The wire casing disk (412) sets there are two conductive trough (414), and the conductive trough (414) is rectangular channel, in length direction The distal end of the line coincident of heart line and two outlet convex blocks, conductive trough (414) is concordant with the outer ledge of outlet convex block, close to circle One end of the heart is concordant close to the side in the center of circle with conductive hole (413),

Adjustment motor (48) is mounted on the lower part in the left side of wire casing disk (412), adjusts the shaft of motor (48) perpendicular to line The end face of slotted disk (412), the shaft of adjustment motor (48) are equipped with gear, the adjustment motor (48) and controller (111) electricity Gas connection,

The propulsion item (42) is long rack gear, and item (42) toothed one is promoted to face outwardly, and promotes crest top land and the chassis of item (42) (41) lateral surface is tangent,

It is described contact bar (43) right end end and contact block (44) be articulated and connected, contact bar (43) right end set there are two reset Block (431) is embedded with reset spring (432) between two reset baffle blocks (431), and reset spring (432) is spring head and the tail The spring pocket for the annular constituted that is connected, reset spring (432) cover on two contact bars (43),

The conductive sheet (45) includes conductive bar (451) and conducting block (452), and the conducting block (452) is multilayer Elliptic Cylinder Structure, and be superimposed into a ladder, conducting block (452) top is to set threaded cylindrical body, and be furnished with nut, conducting block (452) lateral surface is equipped with corrugation grooves,

The conductive bar (451) is metal strip to be matched with the shape of conductive trough (414), and be embedded in conductive trough (414) inside, conductive The end of item (451) passes through conductive hole (413) and leans out the outsides of mounting disc (411), conductive bar (451) end by conducting wire with Contact block (44) electrical connection, the conductive bar (451) and conducting block (452) of conductive sheet (45) are an integral molding structure,

The adjustment bar (47) is hollow structure, and the right side of adjustment bar (47) is equipped with external screw thread, adjusts the left side and bottom of bar (47) The circular hole of disk (41) is connected by bearing, and the left side of adjustment bar (47) and chassis (41) junction is equipped with adjustment gear (471), institute State adjustment gear (471) with adjustment motor (48) on gear matches and be engaged,

The corresponding position for promoting item (42) of the adjustment block (46) is equipped with guide groove (461), and item (42) is promoted to be stuck in guide groove (461) internal, corresponding contact bar (43) position of adjustment block (46) is equipped with regulating tank (462), and contact bar (43) is stuck in regulating tank (462) inside, the center of adjustment block (46) are equipped with threaded circular hole, and adjustment block (46) is spirally connected with adjustment bar and connect, and two The distance between regulating tank (462) is greater than the distance between two contact bars (43) and mounting disc (411) hinged place.

2. a kind of handcart type breaker loop resistance test device according to claim 1, it is characterised in that:

Two opposite sides of one end of the box set (34) close main body (1) are respectively provided with a third fixing seat (343), It is fixedly connected on the inside of described third fixing seat (343) one end and box set (34), the other end is abutted with fixing pipe (33), and third is fixed The middle part of seat (343) is equipped with circular hole, and the aperture of the circular hole is greater than the outer diameter of pulling box spring (323).

3. a kind of handcart type breaker loop resistance test device according to claim 1, it is characterised in that:

The top of adjustment bar (47) is equipped with mounting platform (472), and mounting platform (472) central upper portion is equipped with clearing apparatus (473),

The mounting platform (472) is round tube closed at both ends, and the left end face of mounting platform (472) and adjustment bar (47) are fixed It connecting and junction communicates, the end face on mounting platform (472) side and right side is equipped with air suction opening (474),

The clearing apparatus (473) includes cleaning motor, cross brace, hairbrush, the shaft and mounting platform for cleaning motor (472) vertically, a branch of cross brace is fixedly connected with shaft, and the other three branch is equipped with hairbrush, adjusts bar (47) Left end be equipped with dust catcher connects bayonet socket, be located at chassis (41) on the left of adjustment bar (47) lower side be equipped with power supply lead wire Hole.

4. a kind of handcart type breaker loop resistance test device according to claim 1, it is characterised in that:

The support tube (11) includes two shells (13), two bearings (14), roller (15) and driving device (16),

The shell (13) is cylinder, and the inside of shell (13) is equipped with inner ring v notch v (131), and the top of shell (13), which is equipped with, to be passed Dynamic slot (132), the lateral surface and inner ring v notch v (131) of driving groove (132) connection shell (13), two shells (13) Driving groove (132) notch is opposite,

The roller (15) is cylinder, is respectively provided with an outer ring v notch v (151), the bearing on the outside of the both ends of roller (15) (14) it is socketed on outer ring v notch v (151), the lateral surface of bearing (14) is concordant with the lateral surface of roller (15), roller (15) Length is identical as the sum of the length of two inner ring v notch vs (131),

The inner wall of the roller (15) is equipped with hairbrush, and the outer wall of roller (15) is toothed around, and is socketed with the roller of bearing (14) (15) it is mounted on the cavity inside that the inner ring v notch v (131) of two shells (13) is constituted,

The driving device (16) includes protective cover and main body motor (161), and the shaft of motor is equipped with and roller (15) outer wall Matched gear, the opposite side of motor are equipped with rotating-shaft support devices, and the gear passes through the gear of driving groove (132) and roller (15) Occlusion,

The controller (111) of the main body motor (161) and support tube (11) lower part is electrically connected.

5. a kind of handcart type breaker loop resistance test device according to claim 1, it is characterised in that:

Soft contact body (361) on the grip slipper (36) is rubber or sponge.

6. a kind of handcart type breaker loop resistance test device according to claim 1, it is characterised in that:

The making material of the conductive bar (451) and contact block (44) is red copper, connects conductive bar (451) and contact block (44) Conducting wire uses annealed copper wire, and connecting position of wires is by being welded to connect, the one side hinged with contact bar (43) of the contact block (44) It is equipped with vibrating motor, one side corresponding thereto is at zigzag, and vibrating motor and controller (111) are electrically connected, and connection is led Line is drawn by adjusting the hollow lumen of bar (47).

7. a kind of application method of handcart type breaker loop resistance test device according to claim 1, feature exist In, comprising the following steps:

Step 1: according to the length of the length adjustment supporting rod (35) of moving contact of breaker conducting rod；

Step 2: both hands hold the handle (38) and pull rod (37) of adjuster, lift whole device, box set (34) is drawn at this time The pulling force of line (32) and moving out increases clamping device at a distance from main body (1) axle center；

Step 3: by the center of the moving contact of the axes alignment breaker of main body (1), releasing lever (37), whole device is pressed from both sides at this time It holds on the cross bar of the moving contact of breaker；

Step 4: starting propulsion electric machine (123), it will be inside the pore that the conducting rod that device is advanced to moving contact of breaker be contacted；

Step 5: starting adjustment motor (48) contacts contact block (44) with the inner wall of the pore of breaker conducting rod；

Step 6: the binding clip of circuit resistance tester being clipped in conducting block (452) top, circuit resistance tester is opened and starts Test；

Step 7: after the completion of test, reversion adjustment motor (48) is inverted propulsion electric machine (123), and contact device is exited breaker Conducting rod pore；

Step 8: holding handle (38) and pull rod (37) unloads test device.

8. a kind of application method of handcart type breaker loop resistance test device according to claim 7, feature exist It is further comprising the steps of in the step 3:

Wherein, the support tube (11) includes two shells (13), two bearings (14), roller (15) and driving device (16),

The controller (111) of the main body motor (161) and support tube (11) lower part is electrically connected,

Its step is,

Step 3.1, start main body motor (161) by controller (111), rotate roller (15),

Step 3.2, starting propulsion electric machine (123) is advanced into contact with device,

Step 3.3, after contact block (44) reaches roller (15) inside, the hairbrush of roller (15) inner sidewall and contact block (44) rub Realize the polishing to contact block (44) cleaning and oxide layer,

Step 3.4, contact block (44) exits roller (15) and closes main body motor (161) afterwards.

9. a kind of application method of handcart type breaker loop resistance test device according to claim 7, feature exist It is further comprising the steps of in the step 4:

Wherein, the top of adjustment bar (47) is equipped with mounting platform (472), and mounting platform (472) central upper portion, which is equipped with, to be cleaned Device (473),

The clearing apparatus (473) includes cleaning motor, cross brace, hairbrush, the shaft and mounting platform for cleaning motor (472) vertically, a branch of cross brace is fixedly connected with shaft, and the other three branch is equipped with hairbrush, adjusts bar (47) Left end be equipped with dust catcher connects bayonet socket, be located at chassis (41) on the left of adjustment bar (47) lower side be equipped with power supply lead wire Hole,

It the steps include:

Step 4.1, the sweep-up pipe of dust catcher is connect with the buckle interface of the left end of adjustment bar (47),

Step 4.2, first start clearing apparatus (473), then start propulsion electric machine (123), to breaker conducting rod pore inner wall It carries out cleaning the polishing with oxide layer,

Step 4.3, after contact device enters the pore of breaker conducting rod, propulsion electric machine (123) is closed after being automatically closed and is cleaned Device (473), finally removes the sweep-up pipe of dust catcher.

10. a kind of application method of handcart type breaker loop resistance test device according to claim 7, feature exist It is further comprising the steps of in the step 5:

Starting adjustment motor (48) make contact block (44) contacted with the pore inner wall of conducting rod and can sliding contact, will push away at this time It is set as moving back and forth into motor (123), to realize that contact block (44) carries out beating for oxide layer to the inner wall of conducting rod pore Mill stops propulsion electric machine (123) after the completion of polishing, and starting adjustment motor (48) fills contact block (44) with conducting rod pore inner wall Tap touching.