CN104009356A - Short connecting device - Google Patents
Short connecting device Download PDFInfo
- Publication number
- CN104009356A CN104009356A CN201410215853.7A CN201410215853A CN104009356A CN 104009356 A CN104009356 A CN 104009356A CN 201410215853 A CN201410215853 A CN 201410215853A CN 104009356 A CN104009356 A CN 104009356A
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- shank
- expansion
- expansion rod
- bar
- short
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Abstract
The invention discloses a short connecting device which comprises a fixing body, inserting connection rods, expansion rods, a sliding semicircular sleeve, a breakover bar and a rotary knob. Holes are formed in the outer surfaces of the inserting connection rods, the expansion rods are arranged in the holes, and protrusion parts are arranged on the expansion rods. The expansion rods are arranged in the inserting connection rods in a sliding mode, the top ends of the inserting connection rods are fixed in the fixing body, and the sliding semicircular sleeve is in sliding contact with the outer surfaces of the inserting connection rods. A rotating shaft is fixed in the fixing body, and the rotating shaft is placed above the inserting connection rods. The middle portion of a pressing bar is fixed on the rotating shaft, and the two ends of the pressing bar are in contact with the top end of the sliding semicircular sleeve and the top ends of the expansion rods respectively. The number of the inserting connection rods is two. A connecting shaft is vertically arranged in the fixing body, and the connecting shaft is placed between the two inserting connection rods. The middle portion of the breakover bar is connected with the connecting shaft, and the rotary knob is arranged on the top of the fixing body and is connected with the connecting shaft. The inserting connection rods are further provided with connecting grooves and arc-shaped metal pieces. The short connecting device can be firmly mounted, and quick switching of a short connection state and a non-short connection state can be achieved.
Description
Technical field
The present invention relates to a kind of electric power overhaul field, relate in particular to a kind of short-circuit device.
Background technology
In relaying protection work, often need to be by 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 realize short circuit.
But existing short circuit joint is fixing unstable problem after existing and inserting, short circuit joint is easily loosening, causes open circuit of secondary loop of current transformer, produces high voltage burning apparatus and even jeopardizes personal safety.
And existing short circuit joint can only, after the jack of secondary loop of mutual inductor takes off, could be cancelled short circuit, this has caused the inconvenience of work.
Summary of the invention
Object of the present invention is to overcome the deficiencies in the prior art, and a kind of short-circuit device that can firmly install is provided, and this device can also be realized the quick conversion 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, is provided with expansion bar in hole, and the upper end of expansion bar is connected with the hole wall in hole, and the other parts of expansion bar do not contact with the hole wall in hole, and the inner surface of expansion bar 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 top, shank top, and the bottom of slip semicircle cover is positioned at top, hole; Rotating shaft is fixed in fixed body, and rotating shaft is positioned at shank top, and the centre position of press strip is fixed in rotating shaft, and the two ends of press strip contact with the top of slip semicircle cover and the top of expansion rod respectively; Shank is two, offers connecting groove on shank, and the connecting groove on two shanks is relative, connecting groove on two cell walls, be provided with arc metal plate up and down, the contact of the summit 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 two distances between shank and is less than two distances between connecting grooves bottom, 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.
The present invention, in the time of work, inserts shank in the socket of secondary loop of mutual inductor, and two shanks, by the conducting of conducting bar, are realized short circuit.In the socket of shank insertion secondary loop of mutual inductor time, the plane contact that slip semicircle cover is other with socket, slip semicircle overlaps stressed and moves up with respect to shank, the top of slip semicircle cover and an end in contact of press strip, one end of press strip is moved upward, thereby the other end of press strip move down and contact with the top of expansion rod.Press strip to pressing down, makes the bottom of expansion rod insert between two protuberances and expansion bar is outwards pushed up expansion rod, and the bar that makes to expand is close to the inner surface of socket, thereby makes installation of the present invention more firm.
To be converted to fast non-short circuit state, only need turning knob, drive conducting bar to rotate by connecting axle, conducting bar is not contacted with shank.
The reliability contacting with shank in order to improve conducting bar, connecting groove and arc metal plate are set, and in the time realizing short circuit, conducting bar rotates and enters in connecting groove, arc metal plate compresses conducting bar, so can realize conducting bar and be connected with the reliable of shank.
Further, the outer surface of described expansion bar offers many anti-slip tanks.
Anti-slip tank is set, can further reduces short-circuit plug loosening problem in socket.
Further, the bottom of described shank is provided with shrouding; Also comprise the spring that is fixed on shrouding upper surface.
Insert after socket at short-circuit plug, the bottom of expansion rod is by spring-compressed, and after short-circuit plug takes out, spring upwards pushes up expansion rod, makes the bottom of expansion rod depart from protuberance, and expansion rod and expansion bar automatically reset.Increase shrouding and spring, short-circuit plug can be automatically reset, improved convenience when the present invention uses.
Further, the outer surface of described slip semicircle cover is provided with spacing preiection; In described fixed body, be provided with positive stop lug boss; Spacing preiection is positioned at positive stop lug boss top.
Spacing preiection and positive stop lug boss are set, and anti-skidding semicircle cover drops out outside fixed body.
In sum, advantage of the present invention and beneficial effect are:
1. in the socket that is arranged on secondary loop of mutual inductor that the present invention can be firm, avoided short-circuit plug loosening, caused open circuit of secondary loop of current transformer, generation high voltage burning apparatus even jeopardizes the problem of personal safety;
2. the present invention can realize the quick conversion of short circuit and non-short circuit state, without taking off the present invention, has improved operating efficiency;
3. connecting groove and arc metal plate are set, can realize conducting bar and be connected with the reliable of shank;
4. anti-slip tank is set, can further reduces short-circuit plug loosening problem in socket;
5. increase shrouding and spring, short-circuit plug can be automatically reset, improved convenience when the present invention uses;
6. spacing preiection and positive stop lug boss are set, and anti-skidding semicircle cover drops out outside fixed body.
Brief description of the drawings
In order to be illustrated more clearly in embodiments of the invention, will be briefly described describing the required accompanying drawing of using in the embodiment of the present invention below.Apparent, the accompanying drawing in the following describes is only some embodiment that record in the present invention, for a person skilled in the art, in the situation that not paying creative work, can also, according to accompanying drawing below, 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 that the A of Fig. 1 is to view;
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-expansion bar, 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 better the present invention, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out to clear, complete description.Apparent, embodiment described below is only the part in the embodiment of the present invention, instead of all.The embodiment recording based on the present invention, other all embodiment that those skilled in the art obtain in the situation that 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, in hole 201, be provided with expansion bar 202, the upper end of expansion bar 202 is connected with the hole wall in hole 201, the other parts of expansion bar 202 do not contact with the hole wall in hole 201, and the inner surface of expansion bar 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 bottoms and is less than the maximum gauge of expansion rod 3 bottoms; 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 shank 2 tops, tops, and the bottom of slip semicircle cover 4 is positioned at 201 tops, hole; Rotating shaft 6 is fixed in fixed body 1, and rotating shaft 6 is positioned at shank 2 tops, and the centre position of press strip 7 is fixed in rotating shaft 6, and the two ends of press strip 7 contact with the top of expansion rod 3 with the top of slip semicircle cover 4 respectively; Shank 2 is two, offers connecting groove 205 on 205, two shanks 2 of connecting groove relative on shank 2, is provided with the summit contact of 206, two arc metal plates 206 of arc metal plate on two cell walls up and down of connecting groove 205; 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 two distances between shank 2 and is less than two distances between 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.
In the time of work, shank 2 is inserted in secondary loop of mutual inductor socket 12, two shanks 2, by 5 conductings of conducting bar, are realized short circuit.Insert secondary loop of mutual inductor socket 12 when interior at shank 2, the plane contact that slip semicircle cover 4 is other with socket, it is 4 stressed and move up with respect to shank 2 that slip semicircle overlaps, the top of slip semicircle cover 4 and an end in contact of press strip 7, one end of press strip 7 is moved upward, thereby the other end of press strip 7 move down and contact with the top of expansion rod 3.Press strip 7 to pressing down, makes the bottom of expansion rod 3 insert between two protuberances 203 and expansion bar 202 is outwards pushed up expansion rod 3, and the bar 202 that makes to expand is close to the inner surface of socket.
To be converted to fast 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.
The reliability contacting with shank 2 in order to improve conducting bar 5, connecting groove 205 and arc metal plate 206 are set, and in the time realizing short circuit, conducting bar 5 rotates and enters in connecting groove 205, arc metal plate 206 compresses conducting bar 5, 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 expansion bar 202 offers many anti-slip tanks 204.
Embodiment 3:
As depicted in figs. 1 and 2, the present embodiment is on the basis of above-mentioned any one embodiment, and the bottom of described shank 2 is provided with shrouding 8; Also comprise the spring 9 that is fixed on shrouding 8 upper surfaces.
Insert after secondary loop of mutual inductor socket 10 at short-circuit plug, spring 9 is compressed in the bottom of expansion rod 3, and after short-circuit plug takes out, spring 9 upwards pushes up expansion rod 3, make the bottom of expansion rod 3 depart from protuberance 203, expansion rod 3 and expansion bar 202 automatically reset.
Embodiment 4:
As depicted in figs. 1 and 2, the present embodiment is on the basis of above-mentioned any one embodiment, and the outer surface of described slip semicircle cover 4 is provided with spacing preiection 401; In described fixed body 1, be provided with positive stop lug boss 101; Spacing preiection 401 is positioned at positive stop lug boss 101 tops.
As mentioned above, can realize preferably the present invention.
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), in hole (201), be provided with expansion bar (202), the upper end of expansion bar (202) is connected with the hole wall of hole (201), the other parts of expansion bar (202) do not contact with the hole wall of hole (201), and the inner surface of expansion bar (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 top, 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, it is upper that the centre position of press strip (7) is fixed on rotating shaft (6), and the two ends of press strip (7) contact with the top of expansion rod (3) with the top of slip semicircle cover (4) respectively;
Shank (2) is two, on shank (2), offer connecting groove (205), connecting groove (205) on two shanks (2) is relative, on two cell walls up and down of connecting groove (205), be provided with arc metal plate (206), the summit 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 grooves (205) bottom, 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 expansion bar (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) that is 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);
In described fixed body (1), be provided with positive stop lug boss (101);
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104009356A true CN104009356A (en) | 2014-08-27 |
| CN104009356B 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104009356B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548637A (en) * | 2016-02-03 | 2016-05-04 | 浙江洛普电气有限公司 | Electric energy meter connector having short circuit function |
| 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 |
| CN107039864A (en) * | 2017-06-05 | 2017-08-11 | 国网安徽省电力公司六安供电公司 | Adjustable short circuit piece |
| CN108649370A (en) * | 2018-05-14 | 2018-10-12 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN109066165A (en) * | 2018-08-08 | 2018-12-21 | 深圳市南硕明泰科技有限公司 | A kind of integral connectors of included short connect function |
| CN112436349A (en) * | 2020-11-17 | 2021-03-02 | 贵州电网有限责任公司 | Quick short circuit of relay protection current loop and bridging device |
| CN113659374A (en) * | 2021-10-19 | 2021-11-16 | 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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| 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 |
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| 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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| 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 |
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| 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 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548637A (en) * | 2016-02-03 | 2016-05-04 | 浙江洛普电气有限公司 | Electric energy meter connector having short circuit function |
| CN105548637B (en) * | 2016-02-03 | 2018-06-29 | 浙江洛普电气有限公司 | A kind of electric energy meter connector with short connect function |
| 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 |
| CN107039864A (en) * | 2017-06-05 | 2017-08-11 | 国网安徽省电力公司六安供电公司 | Adjustable short circuit piece |
| 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 |
| CN108649370A (en) * | 2018-05-14 | 2018-10-12 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN108649370B (en) * | 2018-05-14 | 2020-04-07 | 国家电网公司 | Voltage transformer or current transformer test interface tool |
| CN109066165A (en) * | 2018-08-08 | 2018-12-21 | 深圳市南硕明泰科技有限公司 | A kind of integral connectors of included short connect function |
| 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 |
| CN112436349A (en) * | 2020-11-17 | 2021-03-02 | 贵州电网有限责任公司 | Quick short circuit of relay protection current loop and bridging device |
| 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 |
| CN113659374A (en) * | 2021-10-19 | 2021-11-16 | 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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|---|---|
| CN104009356B (en) | 2016-02-03 |
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