CN203387028U - Shorting device for shorting current terminal - Google Patents
Shorting device for shorting current terminal Download PDFInfo
- Publication number
- CN203387028U CN203387028U CN201320396767.1U CN201320396767U CN203387028U CN 203387028 U CN203387028 U CN 203387028U CN 201320396767 U CN201320396767 U CN 201320396767U CN 203387028 U CN203387028 U CN 203387028U
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- CN
- China
- Prior art keywords
- short
- current terminal
- circuit device
- sleeve
- retaining mechanism
- 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 - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 230000009471 action Effects 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
The utility model relates to a shorting device for shorting a current terminal. The shorting device comprises more than two locking mechanisms which are used for fixing the shorting device on the current terminal, conductive connecting sheets which are respectively sleeved on the locking mechanisms and can rotate around the locking mechanisms, and conductive wires which are connected with the conductive connecting sheets. The conductive connecting sheets are electrically connected with each other via the conductive wires. One end of each locking mechanism is provided with a threaded connecting part which is used for being installed in the current terminal. The current terminals, which are not adjacent to each other, can be short connected by the shorting device provided by the utility model, the shorting device and the current terminals can be fixed together via threads so that hazards caused by disconnection of the shorting device and the current terminals can be avoided and misoperation can also be prevented.
Description
Technical field
The utility model relates to a kind of short-circuit device for the current terminal short circuit.
Background technology
In the process of being overhauled at the secondary device to electric power system, may need charged current terminal four current terminals that are labeled as A, B, C, N of mains side (as be positioned at) short circuit, in order to guarantee that no current flows into secondary device, then the slide block of connection device side and mains side can be disconnected, thereby by the isolation fully of equipment side and mains side, so that the service test instrument is tested to equipment.
At present, in the situation that current terminal is for arranging female circular hole, adopt the short circuit supporting with current terminal to carry out in flakes short circuit, with bolt, by this short circuit, be fixed in flakes on current terminal simultaneously, this method is conducive to prevent by the short circuit harm that the current open that causes causes to staff and equipment that comes off in flakes, but there is following defect in this short circuit method: because the current terminal possibility is charged and short circuit is metal material in flakes, so easily occurring in short circuit process in flakes is installed, electric shock accidents and short circuit easily contact in flakes other current terminals, in the process of using the screwdriver construction bolt, due to bolt and screwdriver be two independently individual, so bolt easily drops and screwdriver also easily contacts other current terminals in installation process, this method is only applicable to adjacent current terminal is carried out to short circuit.In the situation that current terminal is jack, use the plug connected by wire to carry out short circuit to current terminal, the advantage of this method is to carry out short circuit to non-conterminous current terminal, and because plug and wire outside are coated with insulating barrier, so can prevent from electric shock accidents occurring in the short circuit process and preventing from contacting other current terminals, but because interconnected plug easily separates with jack, so can cause the problem of plug from falling or staff's mistake unplugg, this can cause current open to work the mischief to staff and equipment simultaneously.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of short-circuit device for the current terminal short circuit, use described short-circuit device short connecting current terminal safely, prevent that short-circuit device and current terminal break away from, and prevent that the staff from dismantling short-circuit device mistakenly.
In order to address the above problem, the utility model provides a kind of short-circuit device for the current terminal short circuit, described short-circuit device comprises: plural for described short-circuit device being fixed on to retaining mechanism on current terminal, being set on retaining mechanism respectively and the conductive connecting piece that can rotate around described retaining mechanism and the wire be connected with described conductive connecting piece, wherein said conductive connecting piece is electrically connected to mutually by described wire, and an end of described retaining mechanism is provided with for being installed to the threaded joints of described current terminal.
Preferably, offer circular through hole on described conductive connecting piece, described retaining mechanism comprises: with described threaded joints, be connected for described conductive connecting piece is limited in to the limiting section on described short-circuit device, the through hole connecting portion through described through hole be connected with described limiting section, and the action bars be connected with described through hole connecting portion, the external diameter of a circle of the contact-making surface of wherein said action bars and conductive connecting piece is greater than the diameter of described through hole.
Preferably, described action bars comprises sleeve, and described sleeve is connected with described through hole connecting portion and can drives for holding the extension rod that described retaining mechanism rotates.
Preferably, on described sleeve, be provided with stopper slot, an end of described extension rod is that the other end is insulated handle, along radially being provided with and the alignment pin coordinated at described stopper slot of described extension rod for inserting the sleeve connecting portion of described sleeve.
Preferably, be coated with insulating barrier on described sleeve.
Preferably, described insulated handle is cylindric, and the diameter of described insulated handle is greater than the diameter of described sleeve connecting portion, is provided with anti-skidding section on described insulated handle.
Preferably, described short-circuit device comprises four retaining mechanisms.
Preferably, described threaded joints, limiting section, through hole connecting portion are made by metal material.
The short-circuit device that the utility model provides can be by non-conterminous current terminal short circuit, can be fixed together to avoid to disconnect due to short-circuit device and current terminal the danger caused by screw thread and current terminal, and can prevent misoperation.
The accompanying drawing explanation
Fig. 1 is the structural representation of the short-circuit device for the current terminal short circuit of the present utility model;
Fig. 2 is the enlarged diagram of the retaining mechanism of extension rod in Fig. 1 and sheathed conductive connecting piece.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
In the present embodiment, the current terminal (not shown) is that female circular hole is set, Fig. 1 is the structural representation of the short-circuit device for the current terminal short circuit of the present utility model, as shown in Figure 1, the short-circuit device for the current terminal short circuit that the utility model provides can comprise: plural for short-circuit device being fixed on to the retaining mechanism 101 on current terminal, be set in respectively on retaining mechanism 101 and the conductive connecting piece 102 that can rotate around retaining mechanism 101 and the wire 103 be connected with conductive connecting piece 102, wherein conductive connecting piece 102 is electrically connected to mutually by wire 103, one end of retaining mechanism 101 is provided with the threaded joints 104 for being installed to current terminal.According to preferred version, described short-circuit device can comprise four retaining mechanisms 101, for being respectively installed to four current terminals that are labeled as A, B, C, N that are positioned at mains side, these four retaining mechanisms 101 are worn into a string, the conductive connecting piece of two retaining mechanisms in the middle of being positioned at all is connected with two wires, and two retaining mechanisms that are positioned at two ends all only are connected with a wire.Described short-circuit device can be by non-conterminous current terminal short circuit, can be fixed together to avoid to disconnect due to short-circuit device and current terminal the danger caused by screw thread and current terminal, and can prevent misoperation.
Fig. 2 is the enlarged diagram of the retaining mechanism of extension rod in Fig. 1 and sheathed conductive connecting piece, as shown in Figure 2, offer circular through hole (not shown) on conductive connecting piece 102, retaining mechanism 101 can comprise: with threaded joints 104, be connected for conductive connecting piece 102 being limited in to the limiting section 105 on institute's short-circuit device, the through hole connecting portion (not shown) through through hole be connected with limiting section 105, and the action bars 106 be connected with the through hole connecting portion, wherein the external diameter of a circle of the contact-making surface of action bars 106 and conductive connecting piece 102 is greater than the diameter of described through hole, the external diameter of a circle of the contact-making surface of limiting section 105 and conductive connecting piece 102 is greater than the diameter of described through hole.Conductive connecting piece 102 can be limited on short-circuit device like this, conductive connecting piece 102 can rotate so that conductive connecting piece 102 does not rotate with retaining mechanism 101 in the process that threaded joints 104 is installed to current terminal around retaining mechanism 101 simultaneously.Wherein, threaded joints 104, limiting section 105, through hole connecting portion are made by metal material.
As shown in Figure 2, action bars 106 can comprise sleeve 107, and sleeve 107 is connected with the through hole connecting portion and can drives for holding the extension rod 108 that retaining mechanism 101 rotates.According to preferred version, be provided with stopper slot 109 on sleeve 107, an end of extension rod 108 is that the other end is insulated handle 112, the alignment pin 111 coordinated with stopper slot 109 along radially being provided with of extension rod for inserting the sleeve connecting portion 110 of sleeve 107.When sleeve connecting portion 110 inserts in sleeves 107, alignment pin 111 can be limited in stopper slot 109 from the extended part of sleeve connecting portion 110, in order to can be with moving sleeve 107 to rotate holding when insulated handle 112 rotates extension rod 108.The shape that insulated handle 112 is similar conventional screw-driver in order handle, for example, insulated handle 112 can be for cylindric, the diameter of insulated handle 112 is greater than the diameter of sleeve connecting portion 110, be provided with anti-skidding section on insulated handle 112, anti-skidding can be the projection of strip, can be also the groove of strip.
In use, can utilize extension rod 108 that retaining mechanism 101 is installed in current terminal, that is: alignment pin 111 extension rod 108 after the extended part of sleeve connecting portion 110 is limited in stopper slot 109 can be driven to retaining mechanism and rotate, and can removal extension rod 108 after use.Like this, when not using extension rod 108, be not easy, by short-circuit device removal from current terminal, can further prevent misoperation.
In sum, the short-circuit device that the utility model provides not only can guarantee equipment and operating personnel's safety and easy to use.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection range of the present utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in essence of the present utility model and protection range, this modification or be equal to replacement and also should be considered as dropping in protection range of the present utility model.
Claims (8)
1. the short-circuit device for the current terminal short circuit, it is characterized in that, comprise: plural for described short-circuit device being fixed on to retaining mechanism on current terminal, being set on retaining mechanism respectively and the conductive connecting piece that can rotate around described retaining mechanism and the wire be connected with described conductive connecting piece, wherein said conductive connecting piece is electrically connected to mutually by described wire, and an end of described retaining mechanism is provided with for being installed to the threaded joints of described current terminal.
2. the short-circuit device for the current terminal short circuit according to claim 1, is characterized in that, offers circular through hole on described conductive connecting piece, and described retaining mechanism comprises:
With described threaded joints, be connected for described conductive connecting piece is limited in to the limiting section on described short-circuit device,
The through hole connecting portion through described through hole be connected with described limiting section,
And the action bars be connected with described through hole connecting portion,
The external diameter of a circle of the contact-making surface of wherein said action bars and conductive connecting piece is greater than the diameter of described through hole.
3. the short-circuit device for the current terminal short circuit according to claim 2, is characterized in that, described action bars comprises sleeve, and described sleeve is connected with described through hole connecting portion and can drives for holding the extension rod that described retaining mechanism rotates.
4. the short-circuit device for the current terminal short circuit according to claim 3, it is characterized in that, be provided with stopper slot on described sleeve, one end of described extension rod is for inserting the sleeve connecting portion of described sleeve, the other end is insulated handle, along described extension rod, radially is provided with the alignment pin coordinated with described stopper slot.
5. the short-circuit device for the current terminal short circuit according to claim 4, is characterized in that, on described sleeve, is coated with insulating barrier.
6. the short-circuit device for the current terminal short circuit according to claim 4, is characterized in that, described insulated handle is cylindric, and the diameter of described insulated handle is greater than the diameter of described sleeve connecting portion, is provided with anti-skidding section on described insulated handle.
7. according to the described short-circuit device for the current terminal short circuit of any one in claim 1 to 6, it is characterized in that, described short-circuit device comprises four retaining mechanisms.
8. according to the described short-circuit device for the current terminal short circuit of any one in claim 2 to 6, it is characterized in that, described threaded joints, limiting section, through hole connecting portion are made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396767.1U CN203387028U (en) | 2013-07-04 | 2013-07-04 | Shorting device for shorting current terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396767.1U CN203387028U (en) | 2013-07-04 | 2013-07-04 | Shorting device for shorting current terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387028U true CN203387028U (en) | 2014-01-08 |
Family
ID=49875480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320396767.1U Expired - Lifetime CN203387028U (en) | 2013-07-04 | 2013-07-04 | Shorting device for shorting current terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337761A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Short connection device for short connection of current terminals |
| CN107785675A (en) * | 2016-08-31 | 2018-03-09 | 国网山东省电力公司淄博供电公司 | Short-circuit device is tested in the distribution transforming of temperature warning type |
-
2013
- 2013-07-04 CN CN201320396767.1U patent/CN203387028U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337761A (en) * | 2013-07-04 | 2013-10-02 | 国家电网公司 | Short connection device for short connection of current terminals |
| CN103337761B (en) * | 2013-07-04 | 2015-10-14 | 国家电网公司 | For the short-circuit device of current terminal short circuit |
| CN107785675A (en) * | 2016-08-31 | 2018-03-09 | 国网山东省电力公司淄博供电公司 | Short-circuit device is tested in the distribution transforming of temperature warning type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20151014 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |