CN103515126A - Earthing switch mechanical locking device of metal-clad movable-type high-voltage switch gear - Google Patents
Earthing switch mechanical locking device of metal-clad movable-type high-voltage switch gear Download PDFInfo
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- CN103515126A CN103515126A CN201310455834.7A CN201310455834A CN103515126A CN 103515126 A CN103515126 A CN 103515126A CN 201310455834 A CN201310455834 A CN 201310455834A CN 103515126 A CN103515126 A CN 103515126A
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Abstract
The invention discloses an earthing switch mechanical locking device of a metal-clad movable-type high-voltage switch gear. The device comprises a first reverse interlocking piece installed on a rear lower door plate, wherein one end of a second reverse interlocking piece is installed on the first reverse interlocking piece, the other end of the second reverse interlocking piece is connected with an interlocking pull rod, the interlocking pull rod penetrates through a first support and a second support and is fixed to a side plate, the rear end of the interlocking pull rod is provided with a tension spring, the other end of the tension spring is connected with the second support, the tail portion of the interlocking pull rod is connected with an interlocking sheet, the center of the interlocking sheet is fixed to the side plate through a third support, an interlocking stopping rod penetrates through a fourth support fixed to the side plate and is connected with the interlocking sheet, the side plate is further fixedly provided with a fixing support of a large shaft, the large shaft penetrates through the fourth support and the fixing support of the large shaft and is fixed to the side plate, and the large shaft is further provided with a large shaft interlocking support. Compared with mechanical interlocking of an earthing switch of the same type, the earthing switch mechanical locking device is high in mechanical strength, installation difficulty and cost are greatly reduced due to reducing of complexity, and production and debugging are facilitated.
Description
Technical field
The present invention relates to a kind of metal armoring removable high-voltage switch, especially relate to a kind of earthing mechanical locking device of metal armoring removable high-voltage switch.
Background technology
In electric power system at present, the armoured draw-out type AC closed switch apparatus majority that KYN61-40.5 high voltage switchgear adopts all configures comparatively complicated ground cutter mechanical interlocking, structure as shown in Figure of description 1, first by closing of back door, promoting interlocking driving arm promotes forward, under lever principle effect, make pull bar 1 move backward in the other direction, by driving fulcrum support to make equally pull bar 2 and baffle plate pull under the effect of lever principle downwards, now can be to earthed switch inlet wire deciliter, thereby reach, prevent mistakenly entering into charged compartment, prevent from closing in charged mistiming the chain function of earthed switch, otherwise mechanical interlocking reverse movement can not meet above function.Yet this kind ground connection interlock is too complicated, installation difficulty is larger, required precision is high is not easy to debugging, and cost of manufacture is higher.
Summary of the invention
Technical problem to be solved by this invention is that a kind of earthing mechanical locking device of metal armoring removable high-voltage switch is provided for problems of the prior art, its objective is and avoided too complexity of course of action, make installation difficulty and cost greatly reduce, be convenient to produce, debug.
Technical scheme of the present invention is that the earthing mechanical locking device of this kind of metal armoring removable high-voltage switch comprises the first anti-interlocking member being installed on rear lower door-plate, one end of the second anti-interlocking member is arranged on the first anti-interlocking member, the other end is connected with chain pull bar, described chain pull bar passes the first support, the second support and is fixed on side plate, and the rear end of described chain pull bar is provided with extension spring, and the other end of described extension spring is connected with the second support; The afterbody of described chain pull bar is connected with chain, and described chain Pian center is fixed on side plate by the 3rd support; Chain pin is through being fixed on the 4th support on side plate and being connected with chain; On described side plate, be also installed with large shaft fixing support, macro-axis passes the 4th support and large shaft fixing support and is fixed on side plate, and the chain support of macro-axis is also installed on described macro-axis.
The first described anti-interlocking member is T-shape structure, one of them limit of described T-shape the first anti-interlocking member is the mounting panel that is fixed on rear lower door-plate, vertical with mounting panel is a cylindrical sleeve, and sleeve is provided with a breach, one end of described chain pull bar is arranged on sleeve inner, the second described anti-interlocking member is " U " type structure, and the Yi Ge limit of the second anti-interlocking member of " U " type structure is fixed on chain pull bar, and another side is buckled on the breach on the first anti-interlocking member.
There is the earthing mechanical locking device of this kind of metal armoring removable high-voltage switch of said structure when back door closes, the first anti-interlocking member pushes chain pull bar and promotes forward, under lever principle effect, chain lower end moves forward upper end and moves backward, chain pin is connected with chain upper end, in like manner chain pin also moves backward, in this simultaneously, the second anti-interlocking member catches on the first anti-interlocking member, now can be to earthed switch inlet wire deciliter, thereby reach, prevent mistakenly entering into charged compartment, prevent from closing in charged mistiming the chain function of earthed switch, also in the time of meeting earthing separating brake, back door cannot be opened simultaneously, otherwise mechanical interlocking reverse movement can not meet above function, thereby compare with similar ground cutter mechanical interlocking mechanical strength high, avoided too complicated and made that installation difficulty and cost reduce, are convenient to produce greatly, debugging.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present invention.
In Fig. 1-2,1: the first anti-interlocking member; 2: the second anti-interlocking members; 3: the first supports; 4: the second supports; 5: chain pull bar; 6: the three supports; 7: chain; 8: the four supports; 9: chain catch; 10: large shaft fixing support; 11: the chain support of macro-axis; 12: macro-axis.
Embodiment
Fig. 1 is the structural representation of prior art, first by closing of back door, promoting interlocking driving arm promotes forward, under lever principle effect, make pull bar 1 move backward in the other direction, by driving fulcrum support to make equally pull bar 2 and baffle plate pull under the effect of lever principle downwards, now can be to earthed switch inlet wire deciliter, thereby reach the chain function that prevents mistakenly entering into charged compartment, prevents from closing in charged mistiming earthed switch, otherwise mechanical interlocking reverse movement can not meet above function.Yet this kind ground connection interlock is too complicated, installation difficulty is larger, required precision is high is not easy to debugging, and cost of manufacture is higher.
Fig. 2 is the structural representation of the earthing mechanical locking device of metal armoring removable high-voltage switch of the present invention.The earthing mechanical locking device of this kind of metal armoring removable high-voltage switch comprises the first anti-interlocking member 1 being installed on rear lower door-plate, one end of the second anti-interlocking member 2 is arranged on the first anti-interlocking member 1, the other end is connected with chain pull bar 5, described chain pull bar 5 passes the first support 3, the second support 4 and is fixed on side plate, and the rear end of described chain pull bar 5 is provided with extension spring, and the other end of described extension spring is connected with the second support 4; The afterbody of described chain pull bar 5 is connected with chain 7, and the described center of chain 7 is fixed on side plate by the 3rd support 6; Chain pin 9 is through being fixed on the 4th support 8 on side plate and being connected with chain 7; On described side plate, be also installed with large shaft fixing support 10, macro-axis 12 passes the 4th support 8 and large shaft fixing support 10 and is fixed on side plate, and the chain support 11 of macro-axis is also installed on described macro-axis 12.
The first anti-interlocking member 1 is T-shape structure, one of them limit of the described anti-interlocking member 1 of T-shape first is the mounting panel that is fixed on rear lower door-plate, vertical with mounting panel is a cylindrical sleeve, and sleeve is provided with a breach, one end of described chain pull bar 5 is arranged on sleeve inner, the second described anti-interlocking member 2 is " U " type structure, and the Yi Ge limit of the second anti-interlocking member 2 of " U " type structure is fixed on chain pull bar 5, and another side is buckled on the breach on the first anti-interlocking member 1.
Concrete installation process is: the first anti-interlocking member 1 is installed on rear lower door-plate, and the first support 3, the second support 4, the 3rd support 6, the 4th support 8, large shaft fixing support 10 are installed on respectively the relative position on side plate; The second anti-interlocking member 2 is connected with chain pull bar 5, chain pull bar 5 is through the first support 3, the second support 4 and in chain pull bar 5 rear ends, extension spring is installed, this extension spring other end is connected with the second support 4, chain 7 centers that are connected with chain pull bar 5 are fixed on the 3rd support 6, and chain pin 9 passes the 4th support 8 and is connected with chain 7; The chain support 10 of macro-axis is fixed on macro-axis 12, afterwards macro-axis 12 is installed on the 4th support 8, large shaft fixing support 10.
When back door closes, the first anti-interlocking member pushes chain pull bar and promotes forward, under lever principle effect, chain lower end moves forward upper end and moves backward, chain pin is connected with chain upper end, in like manner chain pin also moves backward, in this while second anti-interlocking member, catch on the first anti-interlocking member, now can be to earthed switch inlet wire deciliter, thereby reach, prevent mistakenly entering into charged compartment, prevent from closing in charged mistiming the chain function of earthed switch, also in the time of meeting earthing separating brake, back door cannot be opened simultaneously, otherwise mechanical interlocking reverse movement can not meet above function.
Thereby compare with similar ground cutter mechanical interlocking mechanical strength high, avoided too complicated and made that installation difficulty and cost reduce, are convenient to produce greatly, debugging.
Claims (2)
1. the earthing mechanical locking device of a metal armoring removable high-voltage switch, it is characterized in that: described earthing mechanical locking device comprises the first anti-interlocking member (1) being installed on rear lower door-plate, one end of the second anti-interlocking member (2) is arranged on the first anti-interlocking member (1), the other end is connected with chain pull bar (5), described chain pull bar (5) is through the first support (3), the second support (4) is also fixed on side plate, and the rear end of described chain pull bar (5) is provided with extension spring, and the other end of described extension spring is connected with the second support (4), the afterbody of described chain pull bar (5) is connected with chain (7), and the center of described chain (7) is fixed on side plate by the 3rd support (6), chain pin (9) is through being fixed on the 4th support (8) on side plate and being connected with chain (7), on described side plate, be also installed with large shaft fixing support (10), macro-axis (12) passes the 4th support (8) and large shaft fixing support (10) and is fixed on side plate, and on described macro-axis (12), the chain support of macro-axis (11) is also installed.
2. the earthing mechanical locking device of a kind of metal armoring removable high-voltage switch according to claim 1, it is characterized in that: the first described anti-interlocking member (1) is T-shape structure, one of them limit of the described anti-interlocking member of T-shape first (1) is the mounting panel that is fixed on rear lower door-plate, vertical with mounting panel is a cylindrical sleeve, and sleeve is provided with a breach, one end of described chain pull bar (5) is arranged on sleeve inner, the second described anti-interlocking member (2) is " U " type structure, the Yi Ge limit of the second anti-interlocking member (2) of " U " type structure is fixed on chain pull bar (5), another side is buckled on the breach on the first anti-interlocking member (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455834.7A CN103515126B (en) | 2013-09-29 | 2013-09-29 | Earthing switch mechanical locking device of metal-clad movable-type high-voltage switch gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310455834.7A CN103515126B (en) | 2013-09-29 | 2013-09-29 | Earthing switch mechanical locking device of metal-clad movable-type high-voltage switch gear |
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| Publication Number | Publication Date |
|---|---|
| CN103515126A true CN103515126A (en) | 2014-01-15 |
| CN103515126B CN103515126B (en) | 2015-02-25 |
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| CN201310455834.7A Active CN103515126B (en) | 2013-09-29 | 2013-09-29 | Earthing switch mechanical locking device of metal-clad movable-type high-voltage switch gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409249A (en) * | 2014-10-28 | 2015-03-11 | 洛阳龙羽电气设备有限公司 | Linkage switch of high-voltage breaker cabinet for box type transformer station |
| CN106206117A (en) * | 2015-04-29 | 2016-12-07 | 江苏中自电气技术有限公司 | A kind of rear door of switch cabinet novel trans blocking device |
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| CN201608429U (en) * | 2010-02-08 | 2010-10-13 | 江苏成城电气有限公司 | Interlocking device of switch cabinet rear door and grounding switch |
| CN201698927U (en) * | 2010-06-10 | 2011-01-05 | 丽水万控电气有限公司 | Lower front door interlocking device of high-voltage switch cabinet body |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| EP2458607B1 (en) * | 2010-11-30 | 2013-07-24 | Schneider Electric Industries SAS | Interlocking device intended for securing access to the cable box of an electric cell and electric cell comprising such a device |
| CN203481096U (en) * | 2013-09-29 | 2014-03-12 | 安徽鑫龙电器股份有限公司 | Grounding knife mechanical switching-off device of metal armored removable high-voltage switching equipment |
-
2013
- 2013-09-29 CN CN201310455834.7A patent/CN103515126B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608429U (en) * | 2010-02-08 | 2010-10-13 | 江苏成城电气有限公司 | Interlocking device of switch cabinet rear door and grounding switch |
| CN201698927U (en) * | 2010-06-10 | 2011-01-05 | 丽水万控电气有限公司 | Lower front door interlocking device of high-voltage switch cabinet body |
| EP2458607B1 (en) * | 2010-11-30 | 2013-07-24 | Schneider Electric Industries SAS | Interlocking device intended for securing access to the cable box of an electric cell and electric cell comprising such a device |
| CN102543516A (en) * | 2012-01-10 | 2012-07-04 | 昆明东控电器成套设备有限公司 | Five-prevention system of high-voltage switch cabinet |
| CN203481096U (en) * | 2013-09-29 | 2014-03-12 | 安徽鑫龙电器股份有限公司 | Grounding knife mechanical switching-off device of metal armored removable high-voltage switching equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409249A (en) * | 2014-10-28 | 2015-03-11 | 洛阳龙羽电气设备有限公司 | Linkage switch of high-voltage breaker cabinet for box type transformer station |
| CN106206117A (en) * | 2015-04-29 | 2016-12-07 | 江苏中自电气技术有限公司 | A kind of rear door of switch cabinet novel trans blocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103515126B (en) | 2015-02-25 |
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Address after: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District No. 118 North Park electrical components Patentee after: ANHUI ZHONGDIAN XINGFA AND XINLONG TECHNOLOGY CO., LTD. Address before: 241008 Anhui Province, Wuhu City Jiuhua Jiujiang District No. 118 North Park electrical components Patentee before: Xinlong Electric-Appliance Co., Ltd., Anhui |