CN102983037B - 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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- CN102983037B CN102983037B CN201210479253.2A CN201210479253A CN102983037B CN 102983037 B CN102983037 B CN 102983037B CN 201210479253 A CN201210479253 A CN 201210479253A CN 102983037 B CN102983037 B CN 102983037B
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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 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 electric power system at present, the armoured draw-out type AC closed switch apparatus majority that high voltage switchgear adopts all configures comparatively complicated ground cutter mechanical interlocks, when existing ground cutter interlocking machine interlock is worked, first closing by back door, the driving arm that promotes interlock promotes forward, under lever principle effect, make pull bar 1 move backward in the other direction, by driving fulcrum support equally under the effect of lever principle, pull bar 2 and baffle plate are pulled downwards, otherwise, mechanical interlocks reverse movement.This kind of interlock, structure is too complicated, installation difficulty is larger, required precision is high, is 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 to compare, mechanical strength is high, simple in structure, make installation difficulty and cost greatly reduce, be convenient to produce, debug, do not affect the ground cutter interlock that is applied to high voltage switchgear that prevents 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 support I, support II, back door, mounting and fixing bracket in described support I, the movable driving arm that L-type is installed on fixed support, driving arm one end is installed in the slide rail on lateral frame, the driving arm other end is connected with pull bar one end, the pull bar other end is through the tie rod hole II in the locating support II in support II, and the end of passing the pull bar of tie rod hole II is set near the structure that is arranged on the baffle plate in 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 with fixed support by bolt and nut component, when described back door is closed, back door is set to drive the driving arm one end being connected with lateral frame to the structure moving away from the direction of support I, described pull bar is also set to not hold out against the structure of baffle plate simultaneously, when open at described back door, back door is set to drive the driving arm one end being connected with lateral frame to the structure moving near the direction of support I, described pull bar is also set to hold out against the structure of baffle plate simultaneously.
Between described driving arm and pull bar, be connected by rob support, locating support I is installed in support I, pull bar is set to the structure through the tie rod hole I in 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 described lateral frame is arranged on the entablature lower surface of lateral frame, and slide rail is set to the structure that cross section is inverted T shape, and the card column of T-shaped structure is installed on driving arm, and described driving arm is contained in slide rail by 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, in the time that back door is closed, back door promotes driving arm to moving away from the direction of support I, by the motion of driving arm, pull pull bar to the direction motion away from baffle plate, now, pull bar is set to not hold out against the structure of baffle plate, baffle plate can be moved down, be convenient to macro-axis and carry out breaking-closing operating; Otherwise, in the time that open at back door, back door promotes driving arm and moves to the direction near support I, by the motion of driving arm, pulls pull bar to the direction motion near baffle plate, now, pull bar is set to hold out against the structure of baffle plate, and baffle plate can not be moved down, thereby stops macro-axis to carry out breaking-closing operating, reach back door do not close earthed switch can not separating brake, thereby play the object 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, make installation difficulty and cost greatly reduce, be convenient to produce, debug, do not affect the ground cutter interlock that is applied to high voltage switchgear that prevents mistakenly entering charged chamber performance simultaneously.
Brief description of the drawings
Mark in the each accompanying drawing of this specification expressed content and figure is made to brief description below:
Fig. 1 is the structural representation of the ground cutter interlock that is applied to high voltage switchgear of the present invention;
Fig. 2 is the sectional structure schematic diagram that the driving arm in the present invention is connected with the slide rail on lateral frame by card column;
Mark in 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
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is described in further detail as effect and the operation principle etc. of the mutual alignment between the shape of related each member, structure, each several part and annexation, each several part:
As accompanying drawing 1, shown in 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, back door, mounting and fixing bracket 4 in described support I 1, the movable driving arm 5 that L-type is installed on fixed support 4, driving arm 5 one end are installed in the slide rail 7 on lateral frame 6, driving arm 5 other ends are connected with pull bar 8 one end, pull bar 8 other ends are through the tie rod hole II 10 in the locating support II 9 in support II 2, the end of passing the pull bar 8 of tie rod hole II 10 is set near the structure that is arranged on the baffle plate 11 in 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 with fixed support 4 by bolt and nut component 12, when described back door is closed, back door is set to drive driving arm 5 one end that are connected with lateral frame 6 to the structure moving away from the direction of support I 1, described pull bar 8 is also set to not hold out against the structure of baffle plate 11 simultaneously, when open at described back door, back door is set to drive driving arm 5 one end that are connected with lateral frame 6 to the structure moving near the direction of support I 1, pull bar 8 is also set to hold out against the structure of baffle plate 11 simultaneously.
Between described driving arm 5 and pull bar 8, be connected by rob support 13, locating support I 14 is installed in support I 1, pull bar 8 is set to the structure through the tie rod hole I 15 in 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.
Slide rail 7 on described lateral frame 6 is arranged on the entablature lower surface 16 of lateral frame 6, and slide rail 7 is set to the structure that cross section is inverted T shape, and the card column 17 of T-shaped structure is installed on driving arm 5, and described driving arm 5 is contained in slide rail 7 by card column 17 active card.
The ground cutter interlock that is applied to high voltage switchgear of the present invention, in the time that back door is closed, back door promotes driving arm to moving away from the direction of support I, by the motion of driving arm, pull pull bar to the direction motion away from baffle plate, now, pull bar is set to not hold out against the structure of baffle plate, baffle plate can be moved down, be convenient to macro-axis and carry out breaking-closing operating; Otherwise, in the time that open at back door, back door promotes driving arm and moves to the direction near support I, by the motion of driving arm, pulls pull bar to the direction motion near baffle plate, now, pull bar is set to hold out against the structure of baffle plate, and baffle plate can not be moved down, thereby stops macro-axis to carry out breaking-closing operating, reach back door do not close earthed switch can not separating brake, thereby play the object 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, make installation difficulty and cost greatly reduce, be convenient to produce, debug, do not affect the ground cutter interlock that is applied to high voltage switchgear that prevents mistakenly entering charged chamber performance simultaneously.
By reference to the accompanying drawings the present invention is carried out to exemplary description above; obviously the concrete realization of the present invention is not subject to the restrictions described above; as long as the various improvement that 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. one kind is applied to the ground cutter interlock of high voltage switchgear, comprise support I (1), support II (2), 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 end is installed in the slide rail (7) on lateral frame (6), driving arm (5) other end is connected with pull bar (8) one end, pull bar (8) other end is through the tie rod hole II (10) in the locating support II (9) in support II (2), the end of passing the pull bar (8) of tie rod hole II (10) is set near the structure that is arranged on the baffle plate (11) in 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 with fixed support (4) by bolt and nut component (12), when described back door is closed, back door is set to drive driving arm (5) one end being connected with lateral frame (6) to the structure moving away from the direction of support I (1), described pull bar (8) is also set to not hold out against the structure of baffle plate (11) simultaneously, when open at described back door, back door is set to drive driving arm (5) one end being connected with lateral frame (6) to the structure moving near the direction of support I (1), described pull bar (8) is also set to hold out against the structure of baffle plate (11) simultaneously.
3. the ground cutter interlock that is applied to high voltage switchgear according to claim 2, it is characterized in that: between described driving arm (5) and pull bar (8), be connected by rob support (13), the upper locating support I (14) of installing of support I (1), pull bar (8) is set to the structure through the tie rod hole I (15) in locating support I (14), when described pull bar (8) moves to close baffle plate (11) direction, described pull bar (8) is set to hold out against at baffle plate (11) upper, 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 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 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 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 CN102983037A (en) | 2013-03-20 |
| CN102983037B true 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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| CN (1) | CN102983037B (en) |
Families Citing this family (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 (4)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8514551B2 (en) * | 2010-06-17 | 2013-08-20 | Diversified Control, Inc. | Panelboard enclosure with external power cutoff switch |
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2012
- 2012-11-22 CN CN201210479253.2A patent/CN102983037B/en active Active
Patent Citations (4)
| 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 |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN102983037A (en) | 2013-03-20 |
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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 |