CN206920475U - A kind of loop resistance test adapter - Google Patents
A kind of loop resistance test adapter Download PDFInfo
- Publication number
- CN206920475U CN206920475U CN201720705297.0U CN201720705297U CN206920475U CN 206920475 U CN206920475 U CN 206920475U CN 201720705297 U CN201720705297 U CN 201720705297U CN 206920475 U CN206920475 U CN 206920475U
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- China
- Prior art keywords
- holding handle
- connecting portion
- lower holding
- bare terminal
- terminal end
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Abstract
The utility model discloses a kind of loop resistance test adapter, including upper and lower holding handle, the upper and lower holding handle includes bare terminal end, support end and connecting portion；The adjusting part for adjusting adapter clamping opening degree is provided with the bare terminal end in the connecting portion, the fixation kit for adapter clamping fulcrum is provided with the support end in the connecting portion；The adjusting part includes elastic component, the second fixture, the second locking member, clamping force is adjusted and then close contact by the elastic component between the bare terminal end and conductive sleeve, the connecting portion sets the first fixture to be moderately locked according to regulation adapter clamping opening degree at the fixation kit.The utility model makes holding handle be bonded with conductive sleeve stabilization by adjusting spring force, improves the stability of loop resistance measuring accuracy and test result.
Description
Technical field
High voltage electrical apparatus technical field is the utility model is related to, relates generally to a kind of loop resistance test adapter.
Background technology
The measurement of loop resistance is the Key Quality checkpoint of switchgear, and the accuracy of resistance sizes measurement directly affects
Switchgear performance guarantee and power transmission and transformation system it is safe for operation.
Traditional clamp-type loop resistance adapter needs two people because size is small, span of jaw adjustable range is small
It is used cooperatively, not only operating efficiency is low, and because the area of jaw clamping contact is small, it is impossible to conductive sleeve good contact, it is difficult to protect
Demonstrate,prove measurement accuracy.The loop resistance adapter of plug-in structure wears because touching son during frequently grafting, contact surface
Often there is gap, measuring accuracy is difficult to ensure that；This plug-in loop resistance adapter is made when major loop resistance measurement is examined
Switchgear must be sling in specific frock and overturn and could be tested by industry personnel, and efficiency is low, difficulty is big and deposits
In potential safety hazard, lifting (frame) frock is difficult to unification, and the production to reality causes very big puzzlement.
In addition, when the inner cone sleeve pipe of gas-insulated metal enclosed switchgear cabinet is installed on bottom of cabinet bulk, due to cabinet body structure not
One, for different physical dimensions, it is necessary to which the corresponding loop resistance test tool of special configuration, is substantially increased into
This.
Utility model content
Technical problem to be solved in the utility model be to provide it is a kind of by changing loop resistance instrument electric current, voltage draws
Enter mode, improve the contact area with conductive sleeve, improve measuring accuracy, avoid the lifting etc. during major loop resistance test
Process, cost-effective, the loop resistance test adapter of optimization technological process.
Technical problem to be solved in the utility model can be adopted the following technical scheme that to realize：
A kind of loop resistance test adapter, including upper and lower holding handle, the upper and lower holding handle include both ends
For clamping bare terminal end, support end and the connection bare terminal end, the connecting portion of support end of conductive sleeve；Leaned in the connecting portion
The adjusting part for adjusting adapter clamping opening degree is provided with the nearly bare terminal end, in the connecting portion close to the branch
The fixation kit for adapter clamping fulcrum is provided with support end；
Characterized in that, the adjusting part includes elastic component, the second fixture, the second locking member, the upper clamping hand
Handle is provided with the second screwed hole at the adjusting part, and it is logical that the lower holding handle is provided with second at the adjusting part
Hole, second fixture sequentially passes through the elastic component, the second through hole screws in second screwed hole and passes through the second locking member
The connecting portion of the upper and lower holding handle is linked together at the bare terminal end；
Clamping force is adjusted and then close contact, the connecting portion by the elastic component between the bare terminal end and conductive sleeve
The first fixture is set moderately to be locked according to regulation adapter clamping opening degree at the fixation kit.
In a preferred embodiment of the present utility model, the bare terminal end of the upper and lower holding handle is in mutually symmetrical with
Arc, the bare terminal end of the upper and lower holding handle is in the shape of the letter V when the connecting portion of the upper and lower holding handle merges.
In a preferred embodiment of the present utility model, the connecting portion outer surface of the upper and lower holding handle is set
It is equipped with insulation protective jacket.
In a preferred embodiment of the present utility model, the fixation kit includes the first fixture, the first locking member,
The upper holding handle is provided with the first screwed hole at the fixation kit, and the lower holding handle is at the fixation kit
It is provided with first through hole；First fixture screws in first screwed hole through the first through hole and passes through the first locking member
The connecting portion of the upper and lower holding handle is fixedly connected at the support end.
The beneficial effects of the utility model are：A kind of loop resistance test adapter, is clamped in using upper and lower holding handle
Resistance instrument electric current, voltage are introduced from switchgear front on conductive sleeve, loop resistance is obtained, makes clamping by adjusting spring force
Handle is bonded with conductive sleeve stabilization, improves the stability of loop resistance measuring accuracy and test result；Arc holding handle makes
Installation connection is simpler, reliable, while greatly reduces the issuable potential safety hazard in loop resistance test process, and greatly
Improve operating efficiency greatly.
Brief description of the drawings
Fig. 1 is a kind of structural representation of loop resistance test adapter of the utility model.
Fig. 2 is a kind of use state figure of loop resistance test adapter of the utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
Referring to Fig. 1 to Fig. 2, what is provided in figure is a kind of loop resistance test adapter, including upper and lower holding handle 100,
200, upper and lower holding handle 100,200 includes the bare terminal end for being used to clamp the conductive sleeve 600 on inner cone sleeve pipe 500 at both ends
110th, 210, support end 120,220 and connection bare terminal end 110,210, the connecting portion 130,230 of support end 120,220；It is upper and lower
The bare terminal end 110,210 of holding handle is in mutually symmetrical with arc 111,211, the connecting portion of upper and lower holding handle 100,200
130th, the bare terminal end 110,210 of 230 upper and lower holding handles 100,200 when merging is in the shape of the letter V 112.Upper and lower holding handle 100,
200 connecting portion 130,230 outer surfaces are provided with insulation protective jacket；Insulation is installed additional among upper and lower holding handle 100,200 to protect
Sheath, it is therefore prevented that electric current, voltage introduce may caused by short circuit phenomenon, greatly strengthen actual mechanical process security and can
By property.
Upper and lower holding handle 100,200 distinguishes the current output line of link circuit resistance meter, measurement input line.Profit
It is clamped in upper and lower holding handle 100,200 on conductive sleeve 600 and introduces resistance instrument electric current, voltage from switchgear front, is obtained
Obtain loop resistance；Arc 111,211 holding handles make installation connection simpler, reliable, while greatly reduce in loop resistance
Issuable potential safety hazard in test process, and substantially increase operating efficiency.
The fixation kit for adapter clamping fulcrum is provided with support end 120,220 in connecting portion 130,230
300.Fixation kit 300 includes the first fixture 310, the first locking member 320, and upper holding handle 100 is set at fixation kit 300
The first screwed hole is equipped with, lower holding handle 200 is provided with first through hole at fixation kit 400；First fixture 310 is through the
One through hole screws in the first screwed hole and is leaned on the connecting portion 130,230 of upper and lower holding handle 100,200 by the first locking member 320
Moderately it is locked at nearly support end 120,220, but can not be locked, when avoiding adapter opening clamping inner cone sleeve pipe 500, upper,
There is no enough strokes between lower holding handle 100,200.First fixture 310 is the first fixing bolt, the first locking member 320
For the first locking nut, the first fixing bolt 310, the connecting portion of the first locking nut 320 and upper and lower holding handle 100,200
130th, the first plain cushion 330 is each provided between 230.
The tune for adjusting adapter clamping opening degree is provided with bare terminal end 110,210 in connecting portion 130,230
Component 400 is saved, adjusting part 400 includes elastic component 440, the second fixture 410, the second locking member 420, upper holding handle 100
The second screwed hole is provided with adjusting part 400, lower holding handle 200 is provided with the second through hole at adjusting part 400, the
Two fixtures 410 sequentially pass through elastic component 440, the second through hole screws in the second screwed hole by the second locking member 420 by upper and lower folder
The connecting portion 130,230 for holding handle 100,200 links together at bare terminal end 110,210.Second fixture 410 is second
Fixing bolt, the second locking member 420 are the second locking nut, the second fixing bolt 410 and upper and lower holding handle 100,200
The second plain cushion 430 is provided between connecting portion 130,230, the second plain cushion is provided between elastic component 440 and connecting portion 130,230
430th, nylon cushion cover 431.
According to the appearance and size of conductive sleeve 600, pass through the second fixing bolt 410, the second locking nut 420 and elastic component
Clamping force between 440 regulation bare terminal ends 110,210 and conductive sleeve 600 so that between bare terminal end 110,210 and conductive sleeve 600
Contact surface it is even closer.The utility model makes holding handle be bonded with the stabilization of conductive sleeve 600 by adjusting spring force, improves
The stability of loop resistance measuring accuracy and test result；The loop of different product model is adapted to by adjustable method of clamping
Resistance test, greatly reduce because of the not versatility of original loop resistance test device and caused by unnecessary cost.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the spirit and scope of the utility model is not departed from
There are various changes and modifications, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model will
Protection domain is asked to be defined by appended claims and coordinate.
Claims (4)
1. a kind of loop resistance test adapter, including upper and lower holding handle, the upper and lower holding handle include the use at both ends
In the bare terminal end of clamping conductive sleeve, support end and the connection bare terminal end, the connecting portion of support end；It is close in the connecting portion
The adjusting part for adjusting adapter clamping opening degree is provided with the bare terminal end, in the connecting portion close to the support
The fixation kit for adapter clamping fulcrum is provided with end；
Characterized in that, the adjusting part include elastic component, the second fixture, the second locking member, the upper holding handle in
The second screwed hole is provided with the adjusting part, the lower holding handle is provided with the second through hole at the adjusting part,
Second fixture sequentially passes through the elastic component, the second through hole screws in second screwed hole by the second locking member by institute
The connecting portion for stating upper and lower holding handle links together at the bare terminal end；
Clamping force is adjusted and then close contact by the elastic component between the bare terminal end and conductive sleeve, the connecting portion is in institute
State and set the first fixture to be moderately locked according to regulation adapter clamping opening degree at fixation kit.
2. a kind of loop resistance test adapter as claimed in claim 1, it is characterised in that the upper and lower holding handle
Bare terminal end is in mutually symmetrical with arc, the upper and lower holding handle when connecting portion of the upper and lower holding handle merges
Bare terminal end is in the shape of the letter V.
3. a kind of loop resistance test adapter as claimed in claim 2, it is characterised in that the upper and lower holding handle
The connecting portion outer surface is provided with insulation protective jacket.
4. a kind of loop resistance test adapter as claimed in claim 3, it is characterised in that the fixation kit includes first
Fixture, the first locking member, the upper holding handle are provided with the first screwed hole, the lower clamping hand at the fixation kit
Handle is provided with first through hole at the fixation kit；First fixture screws in first spiral shell through the first through hole
The connecting portion of the upper and lower holding handle is fixedly connected by pit by the first locking member at the support end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705297.0U CN206920475U (en) | 2017-06-16 | 2017-06-16 | A kind of loop resistance test adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705297.0U CN206920475U (en) | 2017-06-16 | 2017-06-16 | A kind of loop resistance test adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206920475U true CN206920475U (en) | 2018-01-23 |
Family
ID=61322038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705297.0U Active CN206920475U (en) | 2017-06-16 | 2017-06-16 | A kind of loop resistance test adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206920475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
-
2017
- 2017-06-16 CN CN201720705297.0U patent/CN206920475U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137312A (en) * | 2020-11-02 | 2022-03-04 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
| CN114137312B (en) * | 2020-11-02 | 2023-12-22 | 国网冀北电力有限公司检修分公司 | Loop resistance test assembly |
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| GR01 | Patent grant |