CN202421487U - Screws for test of current transformer - Google Patents
Screws for test of current transformer Download PDFInfo
- Publication number
- CN202421487U CN202421487U CN2011205154987U CN201120515498U CN202421487U CN 202421487 U CN202421487 U CN 202421487U CN 2011205154987 U CN2011205154987 U CN 2011205154987U CN 201120515498 U CN201120515498 U CN 201120515498U CN 202421487 U CN202421487 U CN 202421487U
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- CN
- China
- Prior art keywords
- screw
- current transformer
- test
- screws
- crimping
- 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.)
- Expired - Fee Related
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses screws for the test of a current transformer. The screws comprise crimping screws on patch panels on the two sides of the current transformer. A threaded hole is radially reserved in the center of the upper part of each crimping screw, and a screw is arranged in the threaded hole. A gasket is arranged between each screw and the head part of a corresponding crimping screw. The screws are simple in structure and convenient to operate; the accuracy of test data can be effectively improved; and moreover, a test line is convenient to mount and disassemble, so that overhead working time is shortened, and field operation risks are lowered.
Description
Technical field
The utility model belongs to current transformer experimental technique field, especially relates to the test of a kind of 110KV and above current transformer and uses screw.
Background technology
At present, in the daily experiment with measuring of current transformer, need p-wire be fixed on the current transformer terminal block with wire clamp; Because very easily oxidation of terminal block surface of contact; Therefore need also before the test that surface of contact is removed oxidation and handle, bad as if handling, the reliability of test figure can decrease; And the work high above the ground time is longer, has bigger security risk.
Summary of the invention
For addressing the above problem, the purpose of the utility model provides a kind of current transformer test and uses screw.
For realizing the foregoing invention purpose, the utility model adopts following technical scheme:
Screw is used in a kind of current transformer test, and it comprises the crimping screw on the terminal block of current transformer both sides, and crimping screw central upper portion radially offers a threaded hole, is equiped with a screw in the threaded hole, is provided with pad between screw and the crimping screw head.
Owing to adopt aforesaid technical scheme, the utlity model has following superiority:
Screw is used in this current transformer test, and it is simple in structure, and is reasonable in design; Easy to operate, result of use is good, can effectively improve the accuracy of test data; And, shortened the work high above the ground time owing to install, dismantle p-wire conveniently, reduced the construction operation risk.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure: the 1-spring shim; The 2-screw; 3-crimping screw; The 4-flat shim.
Embodiment
Below through embodiment and combine accompanying drawing that the utility model is done further explain.
As shown in Figure 1, screw is used in this current transformer test, and it comprises the crimping screw 3 on the terminal block of current transformer both sides; Crimping screw central upper portion radially offers a threaded hole; Be equiped with a screw 2 in the threaded hole, be disposed with spring shim 1, flat shim 4 between screw 2 and crimping screw 3 heads, crimping screw, screw adopt antirust material; Surface of contact is good, and the threaded hole of the threaded shank of screw, crimping screw is coated with conductive paste.
In daily experimental test, screw is taken off, p-wire is fixed in the threaded hole with the line nose like a cork tests, can effectively reflect test data.After test finishes, again screw is packed in the threaded hole, prevent that threaded hole is exposed to oxidation in the air.
Claims (1)
1. screw is used in a current transformer test; Comprise the crimping screw on the terminal block of current transformer both sides; It is characterized in that: its crimping screw (3) central upper portion radially offers a threaded hole, is equiped with a screw (2) in the threaded hole, is provided with pad between screw and the crimping screw head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205154987U CN202421487U (en) | 2011-12-12 | 2011-12-12 | Screws for test of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205154987U CN202421487U (en) | 2011-12-12 | 2011-12-12 | Screws for test of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421487U true CN202421487U (en) | 2012-09-05 |
Family
ID=46746237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205154987U Expired - Fee Related CN202421487U (en) | 2011-12-12 | 2011-12-12 | Screws for test of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421487U (en) |
-
2011
- 2011-12-12 CN CN2011205154987U patent/CN202421487U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20121212 |