CN203720265U - Portable tool for testing loop resistance of disconnecting switch - Google Patents

Portable tool for testing loop resistance of disconnecting switch Download PDF

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Publication number
CN203720265U
CN203720265U CN201320765890.6U CN201320765890U CN203720265U CN 203720265 U CN203720265 U CN 203720265U CN 201320765890 U CN201320765890 U CN 201320765890U CN 203720265 U CN203720265 U CN 203720265U
Authority
CN
China
Prior art keywords
hole
static contact
contact
disconnector
connection joint
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.)
Withdrawn - After Issue
Application number
CN201320765890.6U
Other languages
Chinese (zh)
Inventor
陈瑞
杨晓冬
陆海兵
孙涛
潘凡
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.)
Jiangsu Rugao High Voltage Electric Apparatus Co Ltd
Original Assignee
Jiangsu Rugao High Voltage Electric Apparatus 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 Jiangsu Rugao High Voltage Electric Apparatus Co Ltd filed Critical Jiangsu Rugao High Voltage Electric Apparatus Co Ltd
Priority to CN201320765890.6U priority Critical patent/CN203720265U/en
Application granted granted Critical
Publication of CN203720265U publication Critical patent/CN203720265U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a portable tool for testing the loop resistance of a disconnecting switch, and the innovation points lie in that the tool comprises a fixing support which is used for fixing an analog stationary contact; the fixing support can be embedded into a gap between a movable contact installation seat of a to-be-tested disconnecting switch and a movable contact connection rod of the to-be-tested disconnecting switch from a vertical direction, thereby enabling the analog stationary contact to be exactly located in a movable contact; and two clamp-type test lines of a loop resistance tester respectively contact with the analog stationary contact and the pedestal of the to-be-tested disconnecting switch in an electrical manner. The tool is advantageous in that the prongs of the fixing support are used for enabling the analog stationary contact to be exactly located in the movable contact; after switch-on, the movable contact clamps the analog stationary contact to form a loop, thereby carrying out the testing of the loop resistance, saving a lot of steps, including the hosting, installing and disassembling of the stationary contact, avoiding high-altitude operation, and improving testing efficiency and safety factor; meanwhile, the contact of the analog stationary contact with the movable contact is reliable; the testing accuracy is high, and the structure is simple and reliable.

Description

A kind of portable disconnector loop resistance test fixture
Technical field
The utility model relates to a kind of test fixture, particularly a kind of portable disconnector loop resistance test fixture.
Background technology
Disconnector needs to carry out the test of loop resistance in process of production, and traditional test need to be placed on disconnector in frock, carries out the debugging of sensing finger pressure and loop resistance by dynamic and static contacts mates.Its shortcoming is: in vertical-fracture formula disconnector, each test all needs static contact lifting, fixing and dismounting, and testing efficiency is very low; In hoisting process, there is the possibility of damage in static contact; When test, need on the lift truck of high-altitude, carry out the core parameters such as measuring circuit resistance in addition and measure, need operating personnel to carry out work high above the ground, have certain potential safety hazard, and high-altitude operation vehicle move inconvenience.
There is afterwards a kind of disconnector debugging apparatus, comprise the bracing frame that a horizontal direction is extended, the bottom of support frame as described above is provided with track, in bracing frame, be provided with railcar in orbit, in described railcar, plumb post is installed, between plumb post and railcar, rotary positioning mechanism is set; Simulation static contact is installed on described plumb post; One side of support frame as described above is provided with at least two adjustment and installation seats that distribute along bracing frame bearing of trend.This kind of structure can have been saved a large amount of steps such as static contact lifting, installation and removal, and avoids work high above the ground, makes production run become safer.But also still there is certain defect: for guaranteeing that simulating static contact better coordinates and guarantee debugging effect with moving contact, need to utilize rotary positioning mechanism and track to carry out the fine setting of angle, complicated structure, it is also not too convenient to adjust; Due to test fixture bulky, certain restriction is received in use occasion in addition.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of simple in structure, convenient test portable disconnector loop resistance test fixture efficiently.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of portable disconnector loop resistance test fixture, its innovative point is: comprise a simulation static contact, this simulation static contact is one and the silver-plated metalwork of the identical tubulose of static contact isolation switch to be tested; One fixed support, this fixed support is a L shaped bending metalwork, this bending metalwork consists of with vertical linkage section mutual vertically disposed level connection joint section; The outer end of level connection joint section is connected and fixed with simulation static contact, and the middle part of level connection joint section is provided with through hole corresponding to coupling bolt on disconnector moving contact connecting rod a pair of and to be tested; Vertical linkage section has the twice prong parallel with simulating static contact axis, and described prong just can embed the moving contact mount pad of disconnector to be tested and the gap between moving contact connecting rod from vertical direction, and makes to simulate static contact and be just positioned at moving contact; One circuit resistance tester, this circuit resistance tester is equipped with two-way clamp type p-wire, and the clamp of a road clamp type p-wire is clamped the lower end of simulation static contact, and the clamp of another road clamp type p-wire and the base of disconnector to be tested electrically contact.
Preferably, described simulation static contact is connected by fastening resilient key with support bracket fastened level connection joint section.
Preferably, the center, outer end of described level connection joint section just has through hole A that can chimeric simulation static contact, its axis direction of upper end edge of simulation static contact is drilled with upper and lower two couples of through hole B and through hole C through axis, and the minimum spacing of these two couples of through hole B and through hole C just equals the thickness of level connection joint section; The upper end of described simulation static contact is through through hole A, and makes through hole B and through hole C just lay respectively at the upper and lower side of level connection joint section, in the two couples of through hole B and through hole C, is installed with respectively fastening resilient key and lower fastening resilient key.
The utility model has the advantage of: before test, on pedestal, disconnector has been debugged; Support bracket fastened prong just can be embedded to the moving contact mount pad of disconnector to be tested and the gap between moving contact connecting rod from vertical direction, make to simulate static contact and be just positioned at moving contact; Folding arm stretches upwards to plumbness, under "on" position, the slow Automatic-clamping simulation of moving contact static contact, make to simulate static contact, a road clamp type p-wire, circuit resistance tester, another road clamp type p-wire, disconnector conductor formation loop, and then by circuit resistance tester, carried out the test of loop resistance, a large amount of steps such as static contact lifting, installation and removal have not only been saved, avoid work high above the ground, improved testing efficiency, safety coefficient is high, and this frock can be used for the detection of curstomer's site; Meanwhile, simulation static contact contacts reliably with moving contact, and test accuracy is high, simple in structure, reliable.
Accompanying drawing explanation
Fig. 1 is the portable disconnector loop resistance of the utility model test fixture structural representation.
Fig. 2 simulates static contact front view in the utility model.
Fig. 3 is fixed support front view in the utility model.
Fig. 4 is along A-A line cut-open view in Fig. 3.
Fig. 5 is that the utility model simulation static contact is connected front view with fixed support.
Fig. 6 is that the utility model simulation static contact is connected vertical view with fixed support.
Fig. 7 is portable disconnector loop resistance test fixture pretest condition figure in the utility model.
Fig. 8 is that the A of Fig. 7 is to partial enlarged drawing.
Fig. 9 is constitutional diagram when portable disconnector loop resistance test fixture is tested in the utility model.
Figure 10 be in Fig. 9 B to partial enlarged drawing.
Embodiment
Embodiment
Refer to Fig. 1, the utility model has disclosed a kind of portable disconnector loop resistance test fixture, comprises simulation static contact 1, fixed support 2, circuit resistance tester 3, clamp type p-wire 41,42;
Comprise a simulation static contact 1, as shown in Figure 2, this simulation static contact 1 is one and the silver-plated metalwork of the identical tubulose of static contact isolation switch to be tested.
One fixed support 2, as shown in Figure 3,4, this fixed support 2 is a L shaped bending metalwork, this bending metalwork consists of with vertical linkage section 22 mutual vertically disposed level connection joint section 21; The outer end of level connection joint section 21 is connected and fixed with simulation static contact 1, and the middle part of level connection joint section 21 is provided with through hole 211 corresponding to coupling bolt on disconnector moving contact connecting rod a pair of and to be tested; Vertical linkage section 22 has the twice prong parallel with simulating static contact axis, and prong just can embed the moving contact mount pad of disconnector to be tested and the gap between moving contact connecting rod from vertical direction, and makes to simulate static contact and be just positioned at moving contact.
As more particular embodiment of the present invention: as shown in Figure 5,6, simulation static contact 1 is connected by fastening resilient key with the level connection joint section 21 of fixed support 2.
Be specially: the center, outer end of level connection joint section 21 just has through hole A212 that can chimeric simulation static contact 1, its axis direction of upper end edge of simulation static contact 1 is drilled with upper and lower two couples of through hole B11 and through hole C12 through axis, and the minimum spacing of these two couples of through hole B11 and through hole C12 just equals the thickness of level connection joint section 21; The upper end of simulation static contact 1 is through through hole A212, and makes through hole B11 and through hole C12 just lay respectively at the upper and lower side of level connection joint section 21, in the two couples of through hole B11 and through hole C12, is installed with respectively fastening resilient key 51 and lower fastening resilient key 52.
One circuit resistance tester 3, this circuit resistance tester 3 is equipped with two-way clamp type p-wire, and the clamp of a road clamp type p-wire 41 is clamped the lower end of simulation static contact 1, and the clamp of another road clamp type p-wire 42 and the base 7 of disconnector to be tested electrically contact.
Principle of work:
Before test, as shown in Figure 7,8, mounting seat 7, folding arm 8, moving contact 9 successively on Test bench 6; The prong of fixed support 2 just can be embedded to the moving contact mount pad 92 of disconnector to be tested and the gap between moving contact connecting rod 91 from vertical direction, make to simulate static contact 1 and be just positioned at moving contact 9;
As shown in Fig. 9,10, folding arm 8 stretches upwards to plumbness, under "on" position, moving contact 9 clamps simulation static contact 1, make to simulate static contact 1, a road clamp type p-wire 41, circuit resistance tester 3, another road clamp type p-wire 42, base 7, folding arm 8 and moving contact 9 and form loop, and then carry out the test of loop resistance by circuit resistance tester 3.

Claims (3)

1. a portable disconnector loop resistance test fixture, is characterized in that: comprise
One simulation static contact, this simulation static contact is one and the silver-plated metalwork of the identical tubulose of static contact isolation switch to be tested;
One fixed support, this fixed support is a L shaped bending metalwork, this bending metalwork consists of with vertical linkage section mutual vertically disposed level connection joint section;
The outer end of level connection joint section is connected and fixed with simulation static contact, and the middle part of level connection joint section is provided with through hole corresponding to coupling bolt on disconnector moving contact connecting rod a pair of and to be tested; Vertical linkage section has the twice prong parallel with simulation static contact axis; Described prong just can embed the moving contact mount pad of disconnector to be tested and the gap between moving contact connecting rod from vertical direction, and makes to simulate static contact and be just positioned at moving contact;
One circuit resistance tester, this circuit resistance tester is equipped with two-way clamp type p-wire, and the clamp of a road clamp type p-wire is clamped the lower end of simulation static contact, and the clamp of another road clamp type p-wire and the base of disconnector to be tested electrically contact.
2. portable disconnector loop resistance test fixture according to claim 1, is characterized in that: described simulation static contact is connected by fastening resilient key with support bracket fastened level connection joint section.
3. portable disconnector loop resistance test fixture according to claim 2, it is characterized in that: the center, outer end of described level connection joint section just has through hole A that can chimeric simulation static contact, its axis direction of upper end edge of simulation static contact is drilled with upper and lower two couples of through hole B and through hole C through axis, and the minimum spacing of these two couples of through hole B and through hole C just equals the thickness of level connection joint section; The upper end of described simulation static contact is through through hole A, and makes through hole B and through hole C just lay respectively at the upper and lower side of level connection joint section, in the two couples of through hole B and through hole C, is installed with respectively fastening resilient key and lower fastening resilient key.
CN201320765890.6U 2013-11-28 2013-11-28 Portable tool for testing loop resistance of disconnecting switch Withdrawn - After Issue CN203720265U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320765890.6U CN203720265U (en) 2013-11-28 2013-11-28 Portable tool for testing loop resistance of disconnecting switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320765890.6U CN203720265U (en) 2013-11-28 2013-11-28 Portable tool for testing loop resistance of disconnecting switch

Publications (1)

Publication Number Publication Date
CN203720265U true CN203720265U (en) 2014-07-16

Family

ID=51159406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320765890.6U Withdrawn - After Issue CN203720265U (en) 2013-11-28 2013-11-28 Portable tool for testing loop resistance of disconnecting switch

Country Status (1)

Country Link
CN (1) CN203720265U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743952A (en) * 2013-11-28 2014-04-23 江苏省如高高压电器有限公司 Portable loop resistance test tool of isolation switch
CN107037356A (en) * 2016-10-08 2017-08-11 国网新疆电力公司电力科学研究院 A kind of double-column horizontal rotation type disconnecting switch experimental rig

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103743952A (en) * 2013-11-28 2014-04-23 江苏省如高高压电器有限公司 Portable loop resistance test tool of isolation switch
CN103743952B (en) * 2013-11-28 2016-06-29 江苏省如高高压电器有限公司 A kind of Portable loop resistance test tool of isolation switch
CN107037356A (en) * 2016-10-08 2017-08-11 国网新疆电力公司电力科学研究院 A kind of double-column horizontal rotation type disconnecting switch experimental rig
CN107037356B (en) * 2016-10-08 2019-10-22 国网新疆电力公司电力科学研究院 A kind of double-column horizontal rotation type disconnecting switch experimental rig

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20140716

Effective date of abandoning: 20160629

C25 Abandonment of patent right or utility model to avoid double patenting