CN104009356B - A kind of short-circuit device - Google Patents
A kind of short-circuit device Download PDFInfo
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- CN104009356B CN104009356B CN201410215853.7A CN201410215853A CN104009356B CN 104009356 B CN104009356 B CN 104009356B CN 201410215853 A CN201410215853 A CN 201410215853A CN 104009356 B CN104009356 B CN 104009356B
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- shank
- expansion rod
- fixed body
- connecting axle
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Abstract
The invention discloses a kind of short-circuit device, comprise fixed body, shank, expansion rod, slip semicircle cover, conducting bar, knob; The outer surface of shank is offered porose, is provided with Expandable strip, Expandable strip is provided with protuberance in hole; Expansion rod slides and is arranged in shank; The top of shank is fixed in fixed body; The outer surface sliding contact of slip semicircle cover and shank; Rotating shaft is fixed in fixed body, and rotating shaft is positioned at above shank, and the centre position of press strip is fixed in rotating shaft, the tip contact of the top that the two ends of press strip are overlapped with slip semicircle respectively and expansion rod; Shank is two; Connecting axle is vertically installed in fixed body, and connecting axle is between two shanks, and the centre position of conducting bar is connected with connecting axle, and knob is arranged at the top of fixed body and is connected with connecting axle.Shank is also provided with connecting groove and arc metal plate.The present invention can firmly install, and can realize the rapid translating of short circuit and non-short circuit state.
Description
Technical field
The present invention relates to a kind of electric power overhaul field, particularly relate to a kind of short-circuit device.
Background technology
In relaying protection work, often need secondary loop of mutual inductor short circuit.
Current, mainly utilize short circuit joint to carry out short circuit to secondary loop of mutual inductor.Existing short circuit joint comprises a fittings body and is arranged at two shanks on fittings body, two shank mutual conduction.In use, shank is inserted in the jack of secondary loop of mutual inductor, can short circuit be realized.
But fixing unstable problem after such insertion deposited by existing short circuit joint, and short circuit joint easily loosens, and causes open circuit of secondary loop of current transformer, produces high voltage burning apparatus and even jeopardizes personal safety.
And existing short circuit joint from after the jack of secondary loop of mutual inductor takes off, can only could be cancelled short circuit, which results in the inconvenience of work.
Summary of the invention
Namely object of the present invention is to overcome the deficiencies in the prior art, provides a kind of short-circuit device that can firmly install, and this device can also realize the rapid translating of short circuit and non-short circuit state.
Object of the present invention is achieved through the following technical solutions:
A kind of short-circuit device, comprises fixed body, shank, expansion rod, slip semicircle cover, conducting bar, rotating shaft and press strip, knob and connecting axle; Shank is hollow cylinder, and the outer surface of shank offers symmetrical hole, and be provided with Expandable strip in hole, the upper end of Expandable strip is connected with the hole wall in hole, and the other parts of Expandable strip do not contact with the hole wall in hole, and the inner surface of Expandable strip is provided with protuberance; Expansion rod slides and is arranged in shank, the top of expansion rod is positioned at outside shank, the bottom of expansion rod is taper, and the bottom of expansion rod is positioned at the top of protuberance, and the distance between two protuberances is greater than the minimum diameter of expansion rod bottom and is less than the maximum gauge of expansion rod bottom; The top of shank is fixed in fixed body; The outer surface sliding contact of slip semicircle cover and shank, the top of slip semicircle cover is positioned at above shank top, and the bottom of slip semicircle cover is positioned at above hole; Rotating shaft is fixed in fixed body, and rotating shaft is positioned at above shank, and the centre position of press strip is fixed in rotating shaft, the tip contact of the top that the two ends of press strip are overlapped with slip semicircle respectively and expansion rod; Shank is two, and shank offers connecting groove, and the connecting groove on two shanks is relative, and two cell walls up and down of connecting groove are provided with arc metal plate, the apexes contact of two arc metal plates; Connecting axle is vertically installed in fixed body, connecting axle is between two shanks, the centre position of conducting bar is connected with connecting axle, the length of conducting bar is greater than the distance between two shanks and distance between being less than bottom two connecting grooves, the height of conducting bar is identical with the height of the contact position of two arc metal plates, and knob is arranged at the top of fixed body and is connected with connecting axle.
Shank operationally, inserts in the socket of secondary loop of mutual inductor by the present invention, and two shanks, by the conducting of conducting bar, realize short circuit.Time in the socket that shank inserts secondary loop of mutual inductor, the plane contact that slip semicircle cover is other with socket, slip semicircle overlaps stressed and moves up relative to shank, the top of slip semicircle cover and the end thereof contacts of press strip, one end of press strip is moved upward, thus the other end of press strip move down and with the tip contact of expansion rod.Expansion rod to pressing down, making the bottom of expansion rod insert between two protuberances and Expandable strip outwards being pushed up, making Expandable strip be close to the inner surface of socket, thus make installation of the present invention more firm by press strip.
Want rapid translating to non-short circuit state, only need turning knob, drive conducting bar to rotate by connecting axle, conducting bar is not contacted with shank.
In order to improve the reliability that conducting bar contacts with shank, arrange connecting groove and arc metal plate, when realizing short circuit, conducting bar rotates and enters in connecting groove, conducting bar compresses by arc metal plate, so can realize conducting bar and be connected with the reliable of shank.
Further, the outer surface of described Expandable strip offers many anti-slip tanks.
Anti-slip tank is set, the problem that short-circuit plug loosens in socket can be reduced further.
Further, the bottom of described shank is provided with shrouding; Also comprise the spring being fixed on shrouding upper surface.
After short-circuit plug inserts socket, the bottom of expansion rod is by spring-compressed, and after short-circuit plug takes out, expansion rod upwards pushes up by spring, and make the bottom of expansion rod depart from protuberance, expansion rod and Expandable strip automatically reset.Increase shrouding and spring, short-circuit plug is automatically reset, improves convenience when the present invention uses.
Further, the outer surface of described slip semicircle cover is provided with spacing preiection; Positive stop lug boss is provided with in described fixed body; Spacing preiection is positioned at above positive stop lug boss.
Arrange spacing preiection and positive stop lug boss, anti-sliding stop semicircle cover drops out outside fixed body.
In sum, advantage of the present invention and beneficial effect are:
1. what the present invention can be firm is arranged in the socket of secondary loop of mutual inductor, avoids short-circuit plug and loosens, cause open circuit of secondary loop of current transformer, produces the problem that high voltage burning apparatus even jeopardizes personal safety;
2. the present invention can realize the rapid translating of short circuit and non-short circuit state, without the need to taking off the present invention, improves operating efficiency;
3. connecting groove and arc metal plate are set, conducting bar can be realized and be connected with the reliable of shank;
4. anti-slip tank is set, the problem that short-circuit plug loosens in socket can be reduced further;
5. increase shrouding and spring, short-circuit plug is automatically reset, improves convenience when the present invention uses;
6. arrange spacing preiection and positive stop lug boss, anti-sliding stop semicircle cover drops out outside fixed body.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiments of the invention, be briefly described to the accompanying drawing used required for describing in the embodiment of the present invention below.Apparent, the accompanying drawing in the following describes is only some embodiments recorded in the present invention, for a person skilled in the art, when not paying creative work, according to accompanying drawing below, can also obtain other accompanying drawing.
Fig. 1 is structural representation of the present invention;
Fig. 2 is working state figure of the present invention;
Fig. 3 is the A direction view of Fig. 1;
Fig. 4 is the structural representation of conducting bar and shank under short circuit state;
Wherein, the parts title that Reference numeral is corresponding is as follows:
1-fixed body, 2-shank, 3-expansion rod, 4-slip semicircle cover, 5-conducting bar, 6-rotating shaft, 7-press strip, 8-shrouding, 9-spring, 10-knob, 11-connecting axle, 12-secondary loop of mutual inductor socket, 101-positive stop lug boss, 201-hole, 202-Expandable strip, 203-protuberance, 204-anti-slip tank, 205-connecting groove, 206-arc metal plate, 401-spacing preiection.
Embodiment
In order to make those skilled in the art understand the present invention better, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Apparent, embodiment described below is only the part in the embodiment of the present invention, instead of all.Based on the embodiment that the present invention records, other all embodiment that those skilled in the art obtain when not paying creative work, all in the scope of protection of the invention.
Embodiment 1:
As shown in Fig. 1 ~ Fig. 4, a kind of short-circuit device, comprises fixed body 1, shank 2, expansion rod 3, slip semicircle cover 4, conducting bar 5, rotating shaft 6 and press strip 7, knob 10 and connecting axle 11; Shank 2 is hollow cylinder, the outer surface of shank 2 offers symmetrical hole 201, Expandable strip 202 is provided with in hole 201, the upper end of Expandable strip 202 is connected with the hole wall in hole 201, the other parts of Expandable strip 202 do not contact with the hole wall in hole 201, and the inner surface of Expandable strip 202 is provided with protuberance 203; Expansion rod 3 slides and is arranged in shank 2, the top of expansion rod 3 is positioned at outside shank 2, the bottom of expansion rod 3 is taper, the bottom of expansion rod 3 is positioned at the top of protuberance 203, and the distance between two protuberances 203 is greater than the minimum diameter of expansion rod 3 bottom and is less than the maximum gauge of expansion rod 3 bottom; The top of shank 2 is fixed in fixed body 1; The outer surface sliding contact of slip semicircle cover 4 and shank 2, the top of slip semicircle cover 4 is positioned at above shank 2 top, and the bottom of slip semicircle cover 4 is positioned at above hole 201; Rotating shaft 6 is fixed in fixed body 1, and rotating shaft 6 is positioned at above shank 2, and the centre position of press strip 7 is fixed in rotating shaft 6, and the top of 4 and the tip contact of expansion rod 3 are overlapped respectively in the two ends of press strip 7 with slip semicircle; Shank 2 is two, shank 2 offers connecting groove 205, and the connecting groove 205 on two shanks 2 is relative, and two cell walls up and down of connecting groove 205 are provided with arc metal plate 206, the apexes contact of two arc metal plates 206; Connecting axle 11 is vertically installed in fixed body 1, connecting axle 11 is between two shanks 2, the centre position of conducting bar 5 is connected with connecting axle 11, the length of conducting bar 5 is greater than the distance between two shanks 2 and distance between being less than bottom two connecting grooves 205, the height of conducting bar 5 is identical with the height of the contact position of two arc metal plates 206, and knob 10 is arranged at the top of fixed body 1 and is connected with connecting axle 11.
Operationally, inserted by shank 2 in secondary loop of mutual inductor socket 12, two shanks 2, by conducting bar 5 conducting, realize short circuit.When shank 2 inserts in secondary loop of mutual inductor socket 12, the plane contact that slip semicircle cover 4 is other with socket, slip semicircle overlaps 4 stressed and move up relative to shank 2, the slip semicircle cover top of 4 and the end thereof contacts of press strip 7, one end of press strip 7 is moved upward, thus the other end of press strip 7 move down and with the tip contact of expansion rod 3.Expansion rod 3 to pressing down, making the bottom of expansion rod 3 insert between two protuberances 203 and Expandable strip 202 outwards being pushed up, making Expandable strip 202 be close to the inner surface of socket by press strip 7.
Want rapid translating to non-short circuit state, only need turning knob 10, drive conducting bar 5 to rotate by connecting axle 11, conducting bar 5 is not contacted with shank 2.
In order to improve the reliability that conducting bar 5 contacts with shank 2, arrange connecting groove 205 and arc metal plate 206, when realizing short circuit, conducting bar 5 rotates and enters in connecting groove 205, conducting bar 5 compresses by arc metal plate 206, so can realize conducting bar 5 and be connected with the reliable of shank 2.
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is on the basis of embodiment 1, and the outer surface of described Expandable strip 202 offers many anti-slip tanks 204.
Embodiment 3:
As depicted in figs. 1 and 2, the present embodiment is on the basis of any one embodiment above-mentioned, and the bottom of described shank 2 is provided with shrouding 8; Also comprise the spring 9 being fixed on shrouding 8 upper surface.
After short-circuit plug inserts secondary loop of mutual inductor socket 10, spring 9 compresses by the bottom of expansion rod 3, and after short-circuit plug takes out, expansion rod 3 upwards pushes up by spring 9, make the bottom of expansion rod 3 depart from protuberance 203, expansion rod 3 and Expandable strip 202 automatically reset.
Embodiment 4:
As depicted in figs. 1 and 2, the present embodiment is on the basis of any one embodiment above-mentioned, and the outer surface of described slip semicircle cover 4 is provided with spacing preiection 401; Positive stop lug boss 101 is provided with in described fixed body 1; Spacing preiection 401 is positioned at above positive stop lug boss 101.
As mentioned above, the present invention can be realized preferably.
Claims (4)
1. a short-circuit device, is characterized in that:
Comprise fixed body (1), shank (2), expansion rod (3), slip semicircle cover (4), conducting bar (5), rotating shaft (6) and press strip (7), knob (10) and connecting axle (11);
Shank (2) is hollow cylinder, the outer surface of shank (2) offers symmetrical hole (201), Expandable strip (202) is provided with in hole (201), the upper end of Expandable strip (202) is connected with the hole wall of hole (201), the other parts of Expandable strip (202) do not contact with the hole wall of hole (201), and the inner surface of Expandable strip (202) is provided with protuberance (203);
Expansion rod (3) slides and is arranged in shank (2), the top of expansion rod (3) is positioned at shank (2) outward, the bottom of expansion rod (3) is taper, the bottom of expansion rod (3) is positioned at the top of protuberance (203), and the distance between two protuberances (203) is greater than the minimum diameter of expansion rod (3) bottom and is less than the maximum gauge of expansion rod (3) bottom;
The top of shank (2) is fixed in fixed body (1); The outer surface sliding contact of slip semicircle cover (4) and shank (2), the top of slip semicircle cover (4) is positioned at above shank (2) top, and the bottom of slip semicircle cover (4) is positioned at top, hole (201);
Rotating shaft (6) is fixed in fixed body (1), rotating shaft (6) is positioned at shank (2) top, the centre position of press strip (7) is fixed in rotating shaft (6), the two ends of press strip (7) respectively with the top of slip semicircle cover (4) and the tip contact of expansion rod (3);
Shank (2) is two, shank (2) offers connecting groove (205), connecting groove (205) on two shanks (2) is relative, two cell walls up and down of connecting groove (205) are provided with arc metal plate (206), the apexes contact of two arc metal plates (206);
Connecting axle (11) is vertically installed in fixed body (1), connecting axle (11) is positioned between two shanks (2), the centre position of conducting bar (5) is connected with connecting axle (11), the length of conducting bar (5) is greater than the distance between two shanks (2) and is less than the distance between two connecting groove (205) bottoms, the height of conducting bar (5) is identical with the height of the contact position of two arc metal plates (206), and knob (10) is arranged at the top of fixed body (1) and is connected with connecting axle (11).
2. a kind of short-circuit device according to claim 1, is characterized in that:
The outer surface of described Expandable strip (202) offers many anti-slip tanks (204).
3. a kind of short-circuit device according to claim 1, is characterized in that:
The bottom of described shank (2) is provided with shrouding (8);
Also comprise the spring (9) being fixed on shrouding (8) upper surface.
4. a kind of short-circuit device according to claim 1, is characterized in that:
The outer surface of described slip semicircle cover (4) is provided with spacing preiection (401);
Positive stop lug boss (101) is provided with in described fixed body (1);
Spacing preiection (401) is positioned at positive stop lug boss (101) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215853.7A CN104009356B (en) | 2014-05-22 | 2014-05-22 | A kind of short-circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215853.7A CN104009356B (en) | 2014-05-22 | 2014-05-22 | A kind of short-circuit device |
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| Publication Number | Publication Date |
|---|---|
| CN104009356A CN104009356A (en) | 2014-08-27 |
| CN104009356B true CN104009356B (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410215853.7A Active CN104009356B (en) | 2014-05-22 | 2014-05-22 | A kind of short-circuit device |
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| CN106370892A (en) * | 2016-09-07 | 2017-02-01 | 国网安徽省电力公司亳州供电公司 | Internal-insertion external-clamping type current test wire clamp |
| CN107039864B (en) * | 2017-06-05 | 2023-04-21 | 国网安徽省电力公司六安供电公司 | Adjustable short-circuit piece |
| CN108649370B (en) * | 2018-05-14 | 2020-04-07 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN109066165B (en) * | 2018-08-08 | 2019-12-27 | 广州华烽启望电子科技有限公司 | From integral type connector of taking short circuit function |
| CN112436349B (en) * | 2020-11-17 | 2022-05-20 | 贵州电网有限责任公司 | Quick short circuit of relay protection current loop and bridging device |
| CN113659374B (en) * | 2021-10-19 | 2021-12-17 | 徐州华夏电子有限公司 | A pencil connector terminal grafting device for car wiring harness production |
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| US5295846A (en) * | 1992-01-10 | 1994-03-22 | Sumitomo Wiring Systems, Ltd. | Plug-in connector assembly |
| US5674084A (en) * | 1994-08-25 | 1997-10-07 | Sumitomo Wiring Systems, Ltd. | Short circuit connector |
| CN2302608Y (en) * | 1997-06-24 | 1998-12-30 | 洛阳航空电器厂 | Wire spring type electric coupling device |
| CN201303065Y (en) * | 2008-09-17 | 2009-09-02 | 吴智远 | A bridge with improved structure for wire connecting terminal |
| CN201549802U (en) * | 2009-11-30 | 2010-08-11 | 福建省电力有限公司厦门电业局 | High-voltage insulation short-circuiting device |
| CN201576896U (en) * | 2009-11-30 | 2010-09-08 | 福建省电力有限公司厦门电业局 | Insulated operation rod used for high pressure insulation short circuit apparatus |
| CN104007357A (en) * | 2014-05-22 | 2014-08-27 | 国网四川省电力公司成都市新都供电分公司 | Current transformer secondary loop short-circuit device |
| CN203839668U (en) * | 2014-05-22 | 2014-09-17 | 国网四川省电力公司成都市新都供电分公司 | Short circuit device |
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2014
- 2014-05-22 CN CN201410215853.7A patent/CN104009356B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5295846A (en) * | 1992-01-10 | 1994-03-22 | Sumitomo Wiring Systems, Ltd. | Plug-in connector assembly |
| US5674084A (en) * | 1994-08-25 | 1997-10-07 | Sumitomo Wiring Systems, Ltd. | Short circuit connector |
| CN2302608Y (en) * | 1997-06-24 | 1998-12-30 | 洛阳航空电器厂 | Wire spring type electric coupling device |
| CN201303065Y (en) * | 2008-09-17 | 2009-09-02 | 吴智远 | A bridge with improved structure for wire connecting terminal |
| CN201549802U (en) * | 2009-11-30 | 2010-08-11 | 福建省电力有限公司厦门电业局 | High-voltage insulation short-circuiting device |
| CN201576896U (en) * | 2009-11-30 | 2010-09-08 | 福建省电力有限公司厦门电业局 | Insulated operation rod used for high pressure insulation short circuit apparatus |
| CN104007357A (en) * | 2014-05-22 | 2014-08-27 | 国网四川省电力公司成都市新都供电分公司 | Current transformer secondary loop short-circuit device |
| CN203839668U (en) * | 2014-05-22 | 2014-09-17 | 国网四川省电力公司成都市新都供电分公司 | Short circuit device |
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| CN104009356A (en) | 2014-08-27 |
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