CN203445270U - Ground wire clamp suitably used in switch cabinet - Google Patents
Ground wire clamp suitably used in switch cabinet Download PDFInfo
- Publication number
- CN203445270U CN203445270U CN201320542447.2U CN201320542447U CN203445270U CN 203445270 U CN203445270 U CN 203445270U CN 201320542447 U CN201320542447 U CN 201320542447U CN 203445270 U CN203445270 U CN 203445270U
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- CN
- China
- Prior art keywords
- wire clamp
- crossbeam
- main body
- moving contact
- fixed contact
- 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
Links
- 210000003462 vein Anatomy 0.000 claims description 3
- 230000003068 static effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a ground wire clamp suitably used in a switch cabinet. The ground wire clamp comprises an insulating rod, a wire clamp main body fixed on the insulating rod and a moving contact arranged on the wire clamp main body. The opening direction of the wire clamp main body is consistent with the axis direction of the insulating rod. The wire clamp main body comprises a crossbeam, a static contact arranged on one end of the crossbeam and a positioning column arranged on the other end of the crossbeam. Binding posts are arranged on the positioning column. Positioning rods are fixedly arranged on the moving contact. The positioning rods are sleeved on the positioning column through positioning holes on the positioning column. Pressure springs are sleeved on the positioning rods. When used for performing wire grounding operations on disconnecting link static contacts and/or lead wires arranged in a horizontal and balanced way inside the switch cabinet, the ground wire clamp is convenient, rapid, labor-saving and time-saving.
Description
Technical field
The utility model relates to a kind of electric power overhaul instrument, is specifically related to a kind of earthing clamp being applicable in switch cubicle.
Background technology
At present, when electric power apparatus examination, hanging earth connection is to guarantee one of safe measure.Existing ground clamp can only hang bus or arrange online in the situation of spacing and use, narrow space in switch cubicle, Pin arrangement direction differs, while needing to hang ground wire on the lead-in wire (or bus bar) of arranging at fixed contact and/or the lateral balance of disconnecting link, conventional earthing clamp is because jaws direction is vertical with insulating bar, so can not hang, thereby the technical measures that guarantee staff's safety can not effectively be implemented.
For above-mentioned defect, need to invent a kind of earthing clamp of the quick effective grounding of lead-in wire of can be conveniently the switch fixed contact in switch cubicle and/or lateral balance being arranged, to guarantee the staff's of associative operation life safety.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of simple in structure, cost is lower and the convenient lead-in wire (or bus bar) of in switch cubicle, switch fixed contact and/or lateral balance the being arranged earthing clamp of effective grounding fast.
The utility model adopts following technical scheme:
The utility model comprises insulating bar, is fixed on the wire clamp main body on insulating bar and is arranged on the moving contact in wire clamp main body; Described wire clamp main body is U-shaped, the reference column that it comprises crossbeam, is arranged on the fixed contact of crossbeam one end and is arranged on the crossbeam other end, on described reference column, be provided with binding post, described insulating bar is arranged on crossbeam outside, makes the opening direction of described wire clamp main body upward; On described moving contact, be fixedly installed backstay, described backstay is nested with on reference column by the location hole being arranged on reference column, on described backstay, is equipped with stage clip, and by stage clip make moving contact and fixed contact press with together with.
As of the present utility model further perfect, the upper end of the one side of described moving contact and fixed contact joint is chamfering or rounding.
As of the present utility model further perfect, described insulating bar is arranged on a side of close reference column on crossbeam.
As of the present utility model further perfect, described backstay is two, and corresponding location hole and stage clip are two.
As of the present utility model further perfect, the inner side of described fixed contact is provided with arc groove.
As of the present utility model further perfect, the one side of described moving contact and fixed contact joint is provided with anti-slip veins.
Good effect of the present utility model is as follows:
While using the utility model, due to the opening direction of wire clamp and the direction of insulating bar consistent, so during the lead-in wire (or bus bar) of arranging with the switch fixed contact in wire clamp folder switch cubicle and/or lateral balance, insulating bar can not hinder operation, so just facilitated earthing clamp to use in the switch cubicle of narrow space, especially insulating bar is arranged on to a side of close reference column on crossbeam, when many rows of the inherent depth direction of switch cubicle go between while needing simultaneously earth connection, owing to staggering in the position that insulating bar and moving contact contact with fixed contact, so just can make insulating bar avoid front-seat lead-in wire (or bus bar) and clamp smoothly rear row's lead-in wire, chamfering or fillet are arranged to in moving contact upper end, and convenient bus, lead-in wire or the switch fixed contact etc. clamped, save time in use, increase work efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is the utility model moving contact structural representation separated with fixed contact;
In the accompanying drawings: 1 insulating bar, 2 crossbeams, 3 fixed contacts, 3-1 arc groove, 4 moving contacts, 5 backstays, 6 stage clips, 7 binding posts, 8 reference columns, 8-1 location hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of earthing clamp being applicable in switch cubicle as shown in accompanying drawing 1-3, it comprises insulating bar 1, is fixed on the wire clamp main body on insulating bar 1 and is arranged on the moving contact 4 in wire clamp main body, the reference column 8 that described wire clamp main body comprises crossbeam 2, is arranged on the fixed contact 3 of crossbeam 2 one end and is arranged on crossbeam 2 other ends, on described reference column 8, be provided with the binding post 7 that connects ground wire, binding post 7 is for being screwed in the bolt of reference column 8, facilitate the connection of ground wire, before use, ground wire need to be connected on reference column 8 by binding post 7; As shown in Figure 1, it is U-shaped that wire clamp main body is totally, its opening direction upward, consistent with the direction at insulating bar 1 place, so during the lead-in wire of arranging with the switch fixed contact in wire clamp folder switch cubicle and/or lateral balance, insulating bar 1 can not hinder operation, has so just facilitated earthing clamp to use in the switch cubicle of narrow space.
As shown in Figure 1, described insulating bar 1 is arranged on a side of close reference column 8 on crossbeam 2, when many rows of the inherent depth direction of switch cubicle go between while needing simultaneously earth connection, staggering in the face contacting with fixed contact 3 due to moving contact 4 and the position of insulating bar 1, so just can make insulating bar 1 avoid front-seat lead-in wire and clamp smoothly rear row's lead-in wire.
As shown in Figure 2, described moving contact 4 is chamfering or fillet with the upper end of the one side of fixed contact 3 joints, convenient bus, lead-in wire or the switch fixed contact etc. clamped during use, save time, increase work efficiency, in addition, on corresponding fixed contact 3 inner sides, angle is set to chamfering or fillet also can reach same effect; On described moving contact 4, be fixedly installed two backstays 5, described backstay 5 is nested with on reference column 8 by the location hole 8-1 being arranged on reference column 8, and can in location hole 8-1, slide, on described backstay 5, be equipped with stage clip 6, under the effect of stage clip 6, moving contact 4 and fixed contact 3 press with together with; With the fixing moving contact 4 of two backstays 5, during use, moving contact 4 is more stable, can not teetertotter, easy to use.
As shown in Figure 1, moving contact 4 is provided with to anti-slip veins with the one side that fixed contact 3 contacts, be specially corrugated projection or zigzag projection, can make wire clamp effectively contact with lead-in wire or switch fixed contact, clamping better effects if, be difficult for slippage, and can prevent that loose contact is accidents caused, the one side of corresponding fixed contact 3 is arranged to corrugated or zigzag projection also can have identical effect.The inner side of described fixed contact 3 is provided with arc groove 3-1, when by bare wire earth connection, can be by cross section circular bare wire holding in arc groove 3-1, be difficult for slippage.
The above execution mode is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the present invention.For persons skilled in the art, any apparent change of under the prerequisite that does not deviate from the utility model principle and spirit, it having been done, within all should being contemplated as falling with claim protection range of the present utility model.
Claims (6)
1. be applicable to the earthing clamp in switch cubicle, it is characterized in that: it comprises insulating bar (1), is fixed on the wire clamp main body on insulating bar (1) and is arranged on the moving contact (4) in wire clamp main body;
Described wire clamp main body is U-shaped, the reference column (8) that it comprises crossbeam (2), is arranged on the fixed contact (3) of crossbeam (2) one end and is arranged on crossbeam (2) other end, on described reference column (8), be provided with binding post (7), described insulating bar (1) is arranged on crossbeam (2) outside, makes the opening direction of described wire clamp main body upward;
On described moving contact (4), be fixedly installed backstay (5), described backstay (5) is nested with on reference column (8) by the location hole (8-1) being arranged on reference column (8), on described backstay (5), be equipped with stage clip (6), and by stage clip (6) make moving contact (4) and fixed contact (3) press with together with.
2. a kind of earthing clamp being applicable in switch cubicle according to claim 1, is characterized in that: described moving contact (4) is chamfering or rounding with the upper end of the one side of fixed contact (3) joint.
3. a kind of earthing clamp being applicable in switch cubicle according to claim 1, is characterized in that: described insulating bar (1) is arranged on the upper side near reference column (8) of crossbeam (2).
4. according to a kind of earthing clamp being applicable in switch cubicle described in claim 1-3 any one, it is characterized in that: described backstay (5) is two, corresponding location hole (8-1) and stage clip (6) are two.
5. according to a kind of earthing clamp being applicable in switch cubicle described in claim 1-3 any one, it is characterized in that: the inner side of described fixed contact (3) is provided with arc groove (3-1).
6. according to a kind of earthing clamp being applicable in switch cubicle described in claim 1-3 any one, it is characterized in that: described moving contact (4) is provided with anti-slip veins with the one side of fixed contact (3) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542447.2U CN203445270U (en) | 2013-09-03 | 2013-09-03 | Ground wire clamp suitably used in switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542447.2U CN203445270U (en) | 2013-09-03 | 2013-09-03 | Ground wire clamp suitably used in switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445270U true CN203445270U (en) | 2014-02-19 |
Family
ID=50096292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542447.2U Expired - Fee Related CN203445270U (en) | 2013-09-03 | 2013-09-03 | Ground wire clamp suitably used in switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203445270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474797A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Ground clip in switch cabinet |
-
2013
- 2013-09-03 CN CN201320542447.2U patent/CN203445270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474797A (en) * | 2013-09-03 | 2013-12-25 | 国家电网公司 | Ground clip in switch cabinet |
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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 |
Granted publication date: 20140219 Termination date: 20180903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |