CN102983037A - Earth switch interlocking device applied to high-voltage switchgear - Google Patents
Earth switch interlocking device applied to high-voltage switchgear Download PDFInfo
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- CN102983037A CN102983037A CN2012104792532A CN201210479253A CN102983037A CN 102983037 A CN102983037 A CN 102983037A CN 2012104792532 A CN2012104792532 A CN 2012104792532A CN 201210479253 A CN201210479253 A CN 201210479253A CN 102983037 A CN102983037 A CN 102983037A
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- support
- pull bar
- driving arm
- baffle plate
- voltage switchgear
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Abstract
The invention provides an earth switch interlocking device applied to a high-voltage switchgear. A fixing support (4) is installed on a support I (1) of the high-voltage switchgear. An L-shaped driving support (5) is movably arranged on the fixing support (4), one end of the driving support (5) is clamped in a sliding rail (7) on a transverse support (6), and the other end of the driving support (5) is connected with one end of a pulling rod (8). The other of the pulling rod (8) penetrates through a pulling rod hole II (10) in a locating support II (9) on a support II (2), and the end portion of the pulling rod (8) penetrating through the pulling rod hole II (10) is arranged into a structure close to a baffle (11) arranged on the support II (2). Compared with an earth switch mechanical interlocking device of the same kind, the earth switch interlocking device is high in mechanical strength and simple in structure; the mounting difficulty and the mounting cost are reduced greatly, and the production and the debugging are facilitated; and the prevention against mistaken entering of charged interval performance is not affected simultaneously.
Description
Technical field
The invention belongs to the high voltage switchgear technical field, more particularly, relate to a kind of ground cutter interlock that is applied to high voltage switchgear.
Background technology
In the at present electric power system, the armoured draw-out type AC closed switch apparatus majority that high voltage switchgear adopts all disposes comparatively complicated ground cutter mechanical interlocks, when existing ground cutter interlocking machine interlock is worked, at first close by the pass at back door, the driving arm that promotes interlock promotes forward, under the lever principle effect, make pull bar 1 mobile backward in the other direction, by driving the fulcrum support equally under the effect of lever principle, pull bar 2 and baffle plate are spurred downwards, otherwise, the mechanical interlocks reverse movement.This kind interlock, structure are too complicated, installation difficulty is larger, required precision is high, are not easy to debug, cost of manufacture is also corresponding higher.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and similar ground cutter mechanical interlocks is compared, mechanical strength is high, simple in structure, so that installation difficulty and cost reduce, are convenient to produce greatly, debugging, do not affect the ground cutter interlock that is applied to high voltage switchgear that prevents the mistakenly entering charged chamber performance simultaneously.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of ground cutter interlock that is applied to high voltage switchgear, comprise the support I, the support II, the back door, mounting and fixing bracket on the described support I, the movable driving arm that L-type is installed on the fixed support, driving arm one end is installed in the slide rail on the lateral frame, the driving arm other end is connected with pull bar one end, the pull bar other end passes the tie rod hole II on the locating support II on the support II, and the end of passing the pull bar of tie rod hole II is set near the structure that is installed in the baffle plate on the support II.
Described fixed support is connected with lateral frame simultaneously, fixed support is set to be the plate structure of horizontal arrangement, driving arm is flexibly connected by bolt and nut component and fixed support, when described back door is closed, the back door is set to drive the structure that driving arm one end that is connected with lateral frame moves to the direction away from the support I, described pull bar also is set to not hold out against simultaneously the structure of baffle plate, when open at described back door, the back door is set to drive the structure that driving arm one end that is connected with lateral frame moves to the direction near the support I, and described pull bar also is set to hold out against simultaneously the structure of baffle plate.
Be connected by rob support between described driving arm and the pull bar, the locating support I is installed on the support I, pull bar is set to pass the structure of the tie rod hole I on the locating support I, when described pull bar moves to close baffle plate direction, described pull bar is set to hold out against on baffle plate, the structure that stops baffle plate to move down.
Slide rail on the described lateral frame is arranged on the entablature lower surface of lateral frame, and slide rail is set to the structure that the cross section is inverted T shape, and the card column of T-shaped structure is installed on the driving arm, and described driving arm is contained in the slide rail by the card column active card.
Adopt technical scheme of the present invention, can obtain following beneficial effect:
The ground cutter interlock that is applied to high voltage switchgear of the present invention, when the back door is closed, the back door promotes driving arm and moves to the direction away from the support I, motion by driving arm, the pulling pull bar is to the direction motion away from baffle plate, and at this moment, pull bar is set to not hold out against the structure of baffle plate, so that baffle plate can move down, be convenient to macro-axis and carry out breaking-closing operating; Otherwise, when open at the back door, the back door promotes driving arm and moves to the direction near the support I, and by the motion of driving arm, the pulling pull bar is to the direction motion near baffle plate, at this moment, pull bar is set to hold out against the structure of baffle plate, so that baffle plate can not move down, thereby stops macro-axis to carry out breaking-closing operating, reach the back door do not close then earthed switch can not separating brake, thereby play the purpose that prevents mistakenly entering charged chamber.Device of the present invention is compared with similar ground cutter mechanical interlocks, mechanical strength is high, simple in structure, so that installation difficulty and cost reduce, are convenient to produce greatly, debugging, do not affect the ground cutter interlock that is applied to high voltage switchgear that prevents the mistakenly entering charged chamber performance simultaneously.
Description of drawings
The below makes briefly bright to each accompanying drawing of this specification expressed content and the mark among the figure:
Fig. 1 is the structural representation that is applied to the ground cutter interlock of high voltage switchgear of the present invention;
Fig. 2 is the sectional structure schematic diagram that the driving arm among the present invention is connected with slide rail on the lateral frame by card column;
Mark in the accompanying drawing is respectively: 1, support I; 2, support II; 4, fixed support; 5, driving arm; 6, lateral frame; 7, slide rail; 8, pull bar; 9, locating support II; 10, tie rod hole II; 11, baffle plate; 12, bolt and nut component; 13, rob support; 14, locating support I; 15, tie rod hole I; 16, entablature lower surface; 17, card column.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail:
Such as accompanying drawing 1, shown in the accompanying drawing 2, the present invention is a kind of ground cutter interlock that is applied to high voltage switchgear, comprise support I 1, support II 2, the back door, mounting and fixing bracket 4 on the described support I 1, the movable driving arm 5 that L-type is installed on the fixed support 4, driving arm 5 one ends are installed in the slide rail 7 on the lateral frame 6, driving arm 5 other ends are connected with pull bar 8 one ends, and pull bar 8 other ends pass the tie rod hole II 10 on the locating support II 9 on the support II 2, and the end of passing the pull bar 8 of tie rod hole II 10 is set near the structure that is installed in the baffle plate 11 on the support II 2.
Described fixed support 4 is connected with lateral frame 6 simultaneously, fixed support 4 is set to be the plate structure of horizontal arrangement, driving arm 5 is flexibly connected by bolt and nut component 12 and fixed support 4, when described back door is closed, the back door is set to drive the structure that driving arm 5 one ends that are connected with lateral frame 6 move to the direction away from support I 1, described pull bar 8 also is set to not hold out against simultaneously the structure of baffle plate 11, when open at described back door, the back door is set to drive the structure that driving arm 5 one ends that are connected with lateral frame 6 move to the direction near support I 1, and pull bar 8 also is set to hold out against simultaneously the structure of baffle plate 11.
Be connected by rob support 13 between described driving arm 5 and the pull bar 8, locating support I 14 is installed on the support I 1, pull bar 8 is set to pass the structure of the tie rod hole I 15 on the locating support I 14, when described pull bar 8 moves to close baffle plate 11 directions, described pull bar 8 is set to hold out against on baffle plate 11, the structure that stops baffle plate 11 to move down.
The ground cutter interlock that is applied to high voltage switchgear of the present invention, when the back door is closed, the back door promotes driving arm and moves to the direction away from the support I, motion by driving arm, the pulling pull bar is to the direction motion away from baffle plate, and at this moment, pull bar is set to not hold out against the structure of baffle plate, so that baffle plate can move down, be convenient to macro-axis and carry out breaking-closing operating; Otherwise, when open at the back door, the back door promotes driving arm and moves to the direction near the support I, and by the motion of driving arm, the pulling pull bar is to the direction motion near baffle plate, at this moment, pull bar is set to hold out against the structure of baffle plate, so that baffle plate can not move down, thereby stops macro-axis to carry out breaking-closing operating, reach the back door do not close then earthed switch can not separating brake, thereby play the purpose that prevents mistakenly entering charged chamber.Device of the present invention is compared with similar ground cutter mechanical interlocks, mechanical strength is high, simple in structure, so that installation difficulty and cost reduce, are convenient to produce greatly, debugging, do not affect the ground cutter interlock that is applied to high voltage switchgear that prevents the mistakenly entering charged chamber performance simultaneously.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously the concrete realization of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or without improving design of the present invention and technical scheme are directly applied to other occasions, all in protection scope of the present invention.
Claims (4)
1. ground cutter interlock that is applied to high voltage switchgear, comprise support I (1), support II (2), the back door, it is characterized in that: the upper mounting and fixing bracket (4) of described support I (1), the upper movable driving arm (5) that L-type is installed of fixed support (4), driving arm (5) one ends are installed in the slide rail (7) on the lateral frame (6), driving arm (5) other end is connected with pull bar (8) one ends, pull bar (8) other end passes the tie rod hole II (10) on the locating support II (9) on the support II (2), and the end of passing the pull bar (8) of tie rod hole II (10) is set near the structure that is installed in the baffle plate (11) on the support II (2).
2. the ground cutter interlock that is applied to high voltage switchgear according to claim 1, it is characterized in that: described fixed support (4) is connected with lateral frame (6) simultaneously, fixed support (4) is set to be the plate structure of horizontal arrangement, driving arm (5) is flexibly connected by bolt and nut component (12) and fixed support (4), when described back door is closed, the back door is set to drive the structure that driving arm (5) one ends that are connected with lateral frame (6) move to the direction away from support I (1), described pull bar (8) also is set to not hold out against simultaneously the structure of baffle plate (11), when open at described back door, the back door is set to drive the structure that driving arm (5) one ends that are connected with lateral frame (6) move to the direction near support I (1), and described pull bar (8) also is set to hold out against simultaneously the structure of baffle plate (11).
3. the ground cutter interlock that is applied to high voltage switchgear according to claim 2, it is characterized in that: be connected by rob support (13) between described driving arm (5) and the pull bar (8), the upper locating support I (14) of installing of support I (1), pull bar (8) is set to pass the structure of the tie rod hole I (15) on the locating support I (14), described pull bar (8) is near baffle plate (11) when direction moves, described pull bar (8) is set to hold out against on baffle plate (11), the structure that stops baffle plate (11) to move down.
4. the ground cutter interlock that is applied to high voltage switchgear according to claim 3, it is characterized in that: the slide rail (7) on the described lateral frame (6) is arranged on the entablature lower surface (16) of lateral frame (6), slide rail (7) is set to the structure that the cross section is inverted T shape, the upper card column (17) that T-shaped structure is installed of driving arm (5), described driving arm (5) is contained in the slide rail (7) by card column (17) active card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479253.2A CN102983037B (en) | 2012-11-22 | 2012-11-22 | Earth switch interlocking device applied to high-voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210479253.2A CN102983037B (en) | 2012-11-22 | 2012-11-22 | Earth switch interlocking device applied to high-voltage switchgear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102983037A true CN102983037A (en) | 2013-03-20 |
| CN102983037B CN102983037B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210479253.2A Active CN102983037B (en) | 2012-11-22 | 2012-11-22 | Earth switch interlocking device applied to high-voltage switchgear |
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| Country | Link |
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| CN (1) | CN102983037B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207829A (en) * | 2015-04-29 | 2016-12-07 | 江苏中自电气技术有限公司 | A kind of switch cubicle novel secondary inserts locking system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570394U (en) * | 2009-12-09 | 2010-09-01 | 上海中发电气（集团）股份有限公司 | Interlock mechanism of double-end knife |
| CN201829829U (en) * | 2010-09-26 | 2011-05-11 | 万控（天津）电气有限公司 | Rear door interlocking device of high-voltage switch cabinet |
| CN201838503U (en) * | 2010-10-28 | 2011-05-18 | 浙江亚东电器制造有限公司 | Interlocking device for grounding switch and rear door of high-voltage switch cabinet |
| US20110310533A1 (en) * | 2010-06-17 | 2011-12-22 | Diversified Control, Inc. | Panelboard Enclosure With External Power Cutoff Switch |
| CN202940171U (en) * | 2012-11-22 | 2013-05-15 | 安徽鑫龙电器股份有限公司 | Earth switch interlocking device applied to high-voltage switchgear |
-
2012
- 2012-11-22 CN CN201210479253.2A patent/CN102983037B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570394U (en) * | 2009-12-09 | 2010-09-01 | 上海中发电气（集团）股份有限公司 | Interlock mechanism of double-end knife |
| US20110310533A1 (en) * | 2010-06-17 | 2011-12-22 | Diversified Control, Inc. | Panelboard Enclosure With External Power Cutoff Switch |
| CN201829829U (en) * | 2010-09-26 | 2011-05-11 | 万控（天津）电气有限公司 | Rear door interlocking device of high-voltage switch cabinet |
| CN201838503U (en) * | 2010-10-28 | 2011-05-18 | 浙江亚东电器制造有限公司 | Interlocking device for grounding switch and rear door of high-voltage switch cabinet |
| CN202940171U (en) * | 2012-11-22 | 2013-05-15 | 安徽鑫龙电器股份有限公司 | Earth switch interlocking device applied to high-voltage switchgear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207829A (en) * | 2015-04-29 | 2016-12-07 | 江苏中自电气技术有限公司 | A kind of switch cubicle novel secondary inserts locking system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102983037B (en) | 2014-10-15 |
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Address after: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District Road No. 118 Patentee after: ANHUI ZHONGDIAN XINGFA AND XINLONG TECHNOLOGY CO., LTD. Address before: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District Road No. 118 Patentee before: Xinlong Electric-Appliance Co., Ltd., Anhui |