CN201931398U - Special bolt wrench for groove between protection screens - Google Patents
Special bolt wrench for groove between protection screens Download PDFInfo
- Publication number
- CN201931398U CN201931398U CN 201020660659 CN201020660659U CN201931398U CN 201931398 U CN201931398 U CN 201931398U CN 201020660659 CN201020660659 CN 201020660659 CN 201020660659 U CN201020660659 U CN 201020660659U CN 201931398 U CN201931398 U CN 201931398U
- Authority
- CN
- China
- Prior art keywords
- groove
- spanner
- handle
- wrench
- protection screen
- 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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Abstract
A special bolt wrench for a groove between protection screens comprises a handle, wherein the two ends of the handle are respectively provided with a wrench head, and one wrench head is not in the same plane of the handle. Because one wrench head of the wrench is an elbow, the bolt in the groove is convenient to fasten, the operation is convenient, the working time is saved, and accordingly, the working efficiency is improved.
Description
Technical field
The utility model relates to a kind of spanner, is specifically related to groove bolt special spanner between a kind of protection screen.
Background technology
When power circuit breaks down in operation work; need some devices can correct operation; excise fault; fault coverage is dwindled as far as possible; and guarantee that fault-free equipment continues the operation power supply; so protection screen seems particularly important in transformer station; and being connected and fixed between the protection screen whether firm also be to guarantee one of key factor that can protective device reliability service; the protection screen of transformer station is that bolt is mutually permanently connected between the dependence screen now; when especially there was groove in some protection screen limits, the bolting between protection screen used existing spanner directly not insert in the groove; operation inconvenience is difficult to fixation.
The utility model content
The purpose of this utility model is to solve the above-mentioned problems in the prior art, and groove bolt special spanner between a kind of protection screen is provided.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Groove bolt special spanner comprises handle between protection screen of the present utility model, is respectively equipped with spanner at the handle two ends, and one of them spanner and handle are not at grade.
Angle α between the plane at the plane at one of them spanner place and handle place is the 20-60 degree.
Because the utility model is made the elbow shape with a spanner of spanner, be convenient to the bolt in the fastening groove like this, easy to operate, save the working time, thereby improved operating efficiency.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Groove bolt special spanner comprises handle 1 between protection screen of the present utility model, is respectively equipped with left spanner 3 and right spanner 2 at the handle two ends, and left spanner 3 and handle 1 are not at grade.Angle α between the plane at spanner 3 places, a left side and the plane at handle 1 place is the 20-60 degree.
Claims (2)
1. groove bolt special spanner between a protection screen comprises handle, is respectively equipped with spanner at the handle two ends, and it is characterized in that: one of them spanner and handle are not at grade.
2. groove bolt special spanner between protection screen according to claim 1 is characterized in that: the angle α between the plane at the plane at one of them spanner place and handle place is the 20-60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020660659 CN201931398U (en) | 2010-12-15 | 2010-12-15 | Special bolt wrench for groove between protection screens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020660659 CN201931398U (en) | 2010-12-15 | 2010-12-15 | Special bolt wrench for groove between protection screens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201931398U true CN201931398U (en) | 2011-08-17 |
Family
ID=44442937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020660659 Expired - Fee Related CN201931398U (en) | 2010-12-15 | 2010-12-15 | Special bolt wrench for groove between protection screens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201931398U (en) |
-
2010
- 2010-12-15 CN CN 201020660659 patent/CN201931398U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20181215 |