CN203950945U - Pincerlike folder for switch cubicle cranking test - Google Patents
Pincerlike folder for switch cubicle cranking test Download PDFInfo
- Publication number
- CN203950945U CN203950945U CN201420144120.4U CN201420144120U CN203950945U CN 203950945 U CN203950945 U CN 203950945U CN 201420144120 U CN201420144120 U CN 201420144120U CN 203950945 U CN203950945 U CN 203950945U
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- Prior art keywords
- folder
- clamp nozzle
- pincerlike
- switch cubicle
- lower clamp
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- Expired - Lifetime
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- 238000010276 construction Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses pincerlike folder for a kind of switch cubicle cranking test, comprise first folder and second folder; The middle part of first folder is connected by connector with the middle part of second folder; The front end of first folder and the front end of second folder, correspondence is set to upper clamp nozzle and lower clamp nozzle, and when pincerlike folder is closed, upper clamp nozzle and lower clamp nozzle are surrounded as an oblong cavity; When pincerlike folder is closed, upper clamp nozzle and lower clamp nozzle are engaged in the silently pitman of switch cubicle; The rear end of first folder and the rear end of second folder, correspondence is set to upper handle and lower handle; The inside of upper handle is provided with interface, is used for connecting the outside line trap inserting, and makes line trap and described upper handle realize conductive contact, thereby makes the cable of line trap connection and the silently pitman between upper clamp nozzle and lower clamp nozzle realize conductive contact.The utility model is safe and reliable, easy to use, is convenient to connect, and effectively guarantees relay protection staff's safety.
Description
Technical field
The utility model relates to the experimental rig of power domain, is specifically related to pincerlike folder for switch cubicle cranking test.
Background technology
The cranking test important tests that to be relay protection staff detect rheology and relevant two or three minor loops, need to carry out short circuit to a circuit termination, Huo Duo storehouse, storehouse during test.Termination, the switch cubicle circuit storehouse situation of different electric pressures, insulation form is different, does not have at present special-purpose short-circuit tool.
GIS(GAS INSULATED SWITCHGEAR, gas-insulating and fully-enclosed combined electrical apparatus), three phase spacings of GIS switch cubicle are less, are generally less than 40cm.When GIS switch cubicle is carried out to cranking test, first the coordinative experiments of three-phase are silently upwards inserted in GIS cabinet cable end slot, then with shorting stub, connected this latter half silently.The silently pitman diameter of GIS cabinet at 30-40cm not etc., is short circuit three-phase pitman, should use the abundant interlock of clip, effectively contact the silently pitman of each phase.
While using existing clip to carry out cranking test, not convenient, lack of standardization, fail safe is not high.
Utility model content
The purpose of this utility model is to provide pincerlike folder for a kind of switch cubicle cranking test, safe and reliable, easy to use, is convenient to connect, and effectively guarantees relay protection staff's safety.
In order to achieve the above object, the utility model is achieved through the following technical solutions: pincerlike folder for switch cubicle cranking test, be characterized in, and comprise:
First folder and second folder;
The middle part of first described folder is connected by connector with the middle part of second folder;
The front end of first described folder and the front end of second folder, correspondence is set to upper clamp nozzle and lower clamp nozzle, and when pincerlike folder is closed, upper clamp nozzle and lower clamp nozzle are surrounded as an oblong cavity;
When pincerlike folder is closed, upper clamp nozzle and lower clamp nozzle are engaged in the silently pitman of switch cubicle;
The rear end of first described folder and the rear end of second folder, correspondence is set to upper handle and lower handle;
The inside of described upper handle is provided with interface, be used for connecting the outside line trap inserting, make line trap and described upper handle realize conductive contact, thereby make the cable of line trap connection and the silently pitman between upper clamp nozzle and lower clamp nozzle realize conductive contact.
Described upper clamp nozzle inward flange and lower clamp nozzle inward flange are curved respectively.
The end of described upper clamp nozzle and the end of lower clamp nozzle are made by metal material respectively.
The end of described upper clamp nozzle and the end of lower clamp nozzle are respectively slab construction.
Preferably, when pincerlike folder is closed, the end of described upper clamp nozzle and the end of lower clamp nozzle are parallel to each other.
The inscribed circle diameter of described upper clamp nozzle arc is 33 ~ 44mm;
The inscribed circle diameter of described lower clamp nozzle arc is 33 ~ 44mm.
Described upper handle and the outer rim of lower handle are coated with respectively insulating material.
Described connector comprises a spring, a connecting rod, a pair of brace;
Described a pair of brace is oppositely arranged, and two ends connect respectively first folder and second folder;
Between described a pair of brace, leave space, for holding a spring;
Same horizontal level at described a pair of brace, offers respectively through hole, is passed after the through hole of a connecting piece, then through described spring, finally through another brace, and pincerlike folder can be opened and closure by connecting rod.
Preferably, when carrying out switch cubicle cranking test, use respectively three pincerlike clamping after three-phase pitman silently, the terminal of corresponding shorting stub is inserted to described interface, then by three-phase shorting stub short circuit, ground connection again behind formation short circuit loop.
The cranking test of the utility model switch cubicle compared with prior art has the following advantages with pincerlike folder: because first folder is symmetrical arranged with second folder, the end of upper clamp nozzle and the end of lower clamp nozzle are respectively slab construction, and both are parallel to each other, fully guarantee upper clamp nozzle and lower clamp nozzle and the contact area of pitman silently, met conduction requirement; Owing to adopting connector to connect first folder and second folder, convenient pincerlike folder open and close; Because first is folded with interface, convenient connection shorting stub, to form short-circuit.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of pincerlike folder for the cranking test of the utility model switch cubicle.
Fig. 2 is the right view of Fig. 1.
Fig. 3 is that the pincer shown in Fig. 1 is pressed from both sides the structural representation while opening.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, Figure 2, Figure 3 shows, pincerlike folder for switch cubicle cranking test, comprises: first folder 1 of symmetric design and second folder 2; The middle part of first folder 1 is connected by connector 3 with the middle part of second folder 2, is used for realizing the open and close of this pincer folder; The front end of the front end of first folder 1 and second folder 2, correspondence is set to upper clamp nozzle 11 and lower clamp nozzle 21, and when pincerlike folder is closed, upper clamp nozzle 11 and lower clamp nozzle 21 are surrounded as an oblong cavity 4; When pincerlike folder is closed, upper clamp nozzle 11 and lower clamp nozzle 21 are engaged in the silently pitman of switch cubicle; The rear end of the rear end of first folder 1 and second folder 2, correspondence is set to upper handle 12 and lower handle 22, and the outer rim of upper handle 12 and lower handle 22 is coated with respectively insulating material; The inside of upper handle 12 is provided with interface 121, be used for connecting the outside line trap inserting, make line trap and described upper handle 12 realize conductive contact, thereby make the cable of line trap connection and the silently pitman between upper clamp nozzle 11 and lower clamp nozzle 21 realize conductive contact.For example the diameter of interface 121 is 5mm, and interface 121 degree of depth L are 23mm, is convenient to terminal and interface 121 is fastening.
Concrete, upper clamp nozzle 11 inward flanges and lower clamp nozzle 21 inward flanges are curved respectively.The end of the end of upper clamp nozzle 11 and lower clamp nozzle 21 is made by metal material respectively.The end of the end of upper clamp nozzle 11 and lower clamp nozzle 21 is respectively slab construction.When pincerlike folder is closed, the end of described upper clamp nozzle 11 and the end of lower clamp nozzle 21 are parallel to each other.Further, due to the diameter of pitman silently at 30 ~ 40mm not etc., for make pincerlike folder fully with silently pitman interlock, the inscribed circle diameter of design upper clamp nozzle 11 arcs is 33 ~ 44mm; The inscribed circle diameter of lower clamp nozzle 21 arcs is 33 ~ 44mm.
As shown in Figure 2, the device that connector 3 comprises the similar structures such as a spring 31, a connecting rod 32(or screw, screw rod, rivet), a pair of brace 33; A pair of brace 33 is oppositely arranged, and two ends connect respectively first folder 1 and second folder 2; Between a pair of brace 33, leave space, for holding a spring 31; Same horizontal level at described a pair of brace, offers respectively through hole, is passed after the through hole of a connecting piece 33, then through described spring 31, finally through another brace 33, and pincerlike folder can be opened and closure by connecting rod 32.In other embodiments, spring 31 also can adopt similar elastic device to replace.
Concrete application: when cranking test, the silently joint that need to connect three-phase, relay protection staff can be in the upper handle 12 of being made by insulating material and lower handle 22 place's application of forces, three pincerlike folders are opened respectively, 21 interlocks are silently connected side to upper clamp nozzle 11 with lower clamp nozzle, the jaw end that is designed to slab construction has increased contact area, three pincerlike folders are clamped respectively after three-phase pitman silently, the terminal of corresponding shorting stub is inserted to described interface 121, then by three-phase shorting stub short circuit, form behind short circuit loop ground connection again.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art, read after foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (8)
1. pincerlike folder for switch cubicle cranking test, is characterized in that, comprises:
First folder (1) and second folder (2);
The middle part of first described folder (1) is connected by connector (3) with the middle part of second folder (2);
The front end of first described folder (1) and the front end of second folder (2), correspondence is set to upper clamp nozzle (11) and lower clamp nozzle (21), and when pincerlike folder is closed, upper clamp nozzle (11) and lower clamp nozzle (21) are surrounded as an oblong cavity (4);
When pincerlike folder is closed, upper clamp nozzle (11) and lower clamp nozzle (21) are engaged in the silently pitman of switch cubicle;
The rear end of first described folder (1) and the rear end of second folder (2), correspondence is set to upper handle (12) and lower handle (22);
The inside of described upper handle (12) is provided with interface (121), be used for connecting the outside line trap inserting, make line trap and described upper handle (12) realize conductive contact, thereby make the cable of line trap connection and the silently pitman between upper clamp nozzle (11) and lower clamp nozzle (21) realize conductive contact;
The end of the end of described upper clamp nozzle (11) and lower clamp nozzle (21) is respectively slab construction.
2. pincerlike folder for switch cubicle cranking test as claimed in claim 1, is characterized in that, described upper clamp nozzle (11) inward flange and lower clamp nozzle (21) inward flange are curved respectively.
3. pincerlike folder for switch cubicle cranking test as claimed in claim 1, is characterized in that, the end of the end of described upper clamp nozzle (11) and lower clamp nozzle (21) is made by metal material respectively.
4. pincerlike folder for switch cubicle cranking test as claimed in claim 1, is characterized in that, when pincerlike folder is closed, the end of the end of described upper clamp nozzle (11) and lower clamp nozzle (21) is parallel to each other.
5. pincerlike folder for switch cubicle cranking test as claimed in claim 2, is characterized in that, the inscribed circle diameter of described upper clamp nozzle (11) arc is 33 ~ 44mm;
The inscribed circle diameter of described lower clamp nozzle (21) arc is 33 ~ 44mm.
6. pincerlike folder for switch cubicle cranking test as claimed in claim 1, is characterized in that, the outer rim of described upper handle (12) and lower handle (22) is coated with respectively insulating material.
7. pincerlike folder for switch cubicle cranking test as claimed in claim 1, is characterized in that, described connector (3) comprises a spring (31), a connecting rod (32), a pair of brace (33);
Described a pair of brace (33) is oppositely arranged, and two ends connect respectively first folder (1) and second folder (2);
Between described a pair of brace (33), leave space, for holding a spring (31);
Same horizontal level at described a pair of brace, offer respectively through hole, by connecting rod (32), passed after the through hole of a connecting piece (33), then through described spring (31), finally pass another brace (33), and pincerlike folder can be opened and closure.
8. switch cubicle cranking test as claimed in claim 1 is pressed from both sides with pincerlike, it is characterized in that, when carrying out switch cubicle cranking test, use respectively three pincerlike clamping after three-phase pitman silently, the terminal of corresponding shorting stub is inserted to described interface (121), then by three-phase shorting stub short circuit, form behind short circuit loop ground connection again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144120.4U CN203950945U (en) | 2014-03-28 | 2014-03-28 | Pincerlike folder for switch cubicle cranking test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144120.4U CN203950945U (en) | 2014-03-28 | 2014-03-28 | Pincerlike folder for switch cubicle cranking test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950945U true CN203950945U (en) | 2014-11-19 |
Family
ID=51892964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144120.4U Expired - Lifetime CN203950945U (en) | 2014-03-28 | 2014-03-28 | Pincerlike folder for switch cubicle cranking test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840280A (en) * | 2014-03-28 | 2014-06-04 | 国网上海市电力公司 | Pincer-like clamp used for high current tests of switch cabinet |
-
2014
- 2014-03-28 CN CN201420144120.4U patent/CN203950945U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840280A (en) * | 2014-03-28 | 2014-06-04 | 国网上海市电力公司 | Pincer-like clamp used for high current tests of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |