CN103227062A - Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet - Google Patents
Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet Download PDFInfo
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- CN103227062A CN103227062A CN2013101412362A CN201310141236A CN103227062A CN 103227062 A CN103227062 A CN 103227062A CN 2013101412362 A CN2013101412362 A CN 2013101412362A CN 201310141236 A CN201310141236 A CN 201310141236A CN 103227062 A CN103227062 A CN 103227062A
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- earthed switch
- door
- ground switch
- rotating shaft
- axle
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Abstract
The invention discloses an interlocking mechanism for a ground switch and a front lower door of a medium-voltage switch cabinet. The interlocking mechanism comprises a ground switch rotating shaft, wherein an upper door interlocking piece is arranged on the inner side of a door body frame; a ground switch shaft sleeve is fixedly mounted on the ground switch rotating shaft; a convex block on the ground switch shaft sleeve is over against a groove of the upper door interlocking piece; an upper ground switch shaft check ring is arranged on the ground switch rotating shaft; a ground switch bolt is articulated below the upper ground switch shaft check ring; a clamp end is arranged at the upper end of the ground switch bolt; an upper door button operation shaft is arranged in front of the ground switch bolt; and the tail end of the upper door button operation shaft leans against the lower end of the ground switch bolt. With the adoption of the structure, when the ground switch is off and a breaker is located in a working position, the front lower door cannot be opened; only after the upper door button operation shaft is pressed, the ground switch can be on; only after the ground switch is on, the front lower door can be opened; the safety of an operator is ensured; and dangerous accidents are avoided.
Description
Technical field
The present invention relates to be pressed in a kind of in the complete equipment as the interlocking device of earthed switch and preceding Xiamen specifically a kind of Medium Voltage Switchgear earthed switch and preceding Xiamen interlocking device.
Background technology
The earthed switch that is pressed into the Medium Voltage Switchgear in the cover in existing and preceding Xiamen are without any interlocking device, so when earthed switch was in gate-dividing state, the preceding Xiamen of switch cubicle can be opened; Circuit breaker is when the service position, and the earthed switch operating grip can be operated, and causes the damage of earthed switch easily, the generation that also may cause the accident simultaneously.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of when the earthed switch separating brake, and when circuit breaker was in the service position, preceding Xiamen should be opened, thereby guarantees the Medium Voltage Switchgear earthed switch and the preceding Xiamen interlocking device of operator safety.
In order to solve the problems of the technologies described above, Medium Voltage Switchgear earthed switch of the present invention and preceding Xiamen interlocking device, comprise and be arranged in the preceding Xiamen and be positioned at an earthed switch rotating shaft of body framework one side, door body framework inboard is provided with the door of fixedlying connected with preceding Xiamen and goes up locking part, the groove location of the earthed switch axle sleeve that one of fixed installation can be rotated with the earthed switch rotating shaft in the earthed switch rotating shaft, the projection on earthed switch axle sleeve locking part on the door also can place under the rotation of earthed switch rotating shaft or leave in the groove of locking part on the door; Also be provided with back-up ring on the earthed switch axle that is positioned at earthed switch axle sleeve inboard in the earthed switch rotating shaft, the below of back-up ring is hinged with an earthed switch dead bolt by pivot pin on the earthed switch axle, earthed switch dead bolt upper end be provided with the earthed switch axle on the fastening end that adapts of the notch of back-up ring, the place ahead of earthed switch dead bolt is provided with one and stretches out upward push-botton operation axle of the external door of preceding every down, and the push-botton operation the tip of the axis is pressed over the lower end of earthed switch dead bolt and can makes the earthed switch dead bolt enter or withdraw from the notch of back-up ring on the earthed switch axle on the door.
The last push-botton operation axle of described door is provided with one and is positioned at the preceding external lockhole of every down.
After adopting above-mentioned structure, because back-up ring on earthed switch axle sleeve that is provided with in the earthed switch rotating shaft and the earthed switch axle, and the inboard door that is provided with of door body framework is gone up locking part; The below of back-up ring is hinged with an earthed switch dead bolt on the earthed switch axle, be provided with thus, going up the push-botton operation axle by back-up ring on earthed switch axle sleeve and the earthed switch axle and the door that drives the action of earthed switch dead bolt can make the groove location of the projection locking part on the door on the earthed switch axle sleeve and can place under the rotation of earthed switch rotating shaft or leave in the groove of locking part on the door, realized thus when the earthed switch separating brake, when circuit breaker was in the service position, preceding Xiamen should be opened; Have only when circuit breaker is got back to test position, behind push-botton operation axle on the Xiamen, earthed switch could close a floodgate, and preceding Xiamen just can be opened after earthed switch closed a floodgate, and had guaranteed operating personnel's safety thus, had avoided the generation of peril.
Description of drawings
Fig. 1 is gate-dividing state structural representation among the present invention;
Fig. 2 is "on" position structural representation among the present invention;
Fig. 3 is installment state structural representation among the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, Medium Voltage Switchgear earthed switch of the present invention and preceding Xiamen interlocking device are described in further detail.
As shown in the figure, Medium Voltage Switchgear earthed switch of the present invention and preceding Xiamen interlocking device, comprise the earthed switch bearing 2 that is fixedly connected on the body framework 1, earthed switch rotating shaft 3 is installed on the earthed switch bearing 2, door body framework 1 inboard is provided with the door of fixedlying connected with preceding Xiamen 4 and goes up locking part 5, the groove location of the earthed switch axle sleeve 6 that one of fixed installation can be rotated with the earthed switch rotating shaft in the earthed switch rotating shaft 3, the projection 7 on the earthed switch axle sleeve 6 locking part on the door also can place under the rotation of earthed switch rotating shaft or leave in the groove 8 of locking part on the door; Also be provided with back-up ring 9 on the earthed switch axle that is positioned at earthed switch axle sleeve 6 inboards in the earthed switch rotating shaft 3, the below of back-up ring 9 is hinged with an earthed switch dead bolt 11 by pivot pin 10 on the earthed switch axle, earthed switch dead bolt 11 upper ends be provided with the earthed switch axle on the fastening end that adapts of the notch of back-up ring 9, the place ahead of earthed switch dead bolt 11 is provided with one and stretches out upward push-botton operation axle 12 of the external door of preceding every down, and the end of push-botton operation axle 12 is pressed over the lower end of earthed switch dead bolt 11 and can makes earthed switch dead bolt 11 enter or withdraw from the notch of back-up ring 9 on the earthed switch axle on the door.
On further can door the push-botton operation axle be provided with one be positioned at before the external lockhole 13 of every down, this lockhole can be used for padlock, therefore can effectively prevent other people misoperation earthed switch.
Operation principle is as follows:
The earthed switch interlocking gear is closed the door after adjusting, when closing a floodgate, earthed switch dead bolt 11 the fastening end just in time drop in the notch of back-up ring 9 on the earthed switch axle, therefore before wanting the operational grounding switch, the first elder generation that needs lives earthed switch dead bolt 11 by push-botton operation axle on the Xiamen by push-botton operation axial compression on the door, and this moment, earthed switch dead bolt 11 rotated the back perk around pivot pin, just in time get out of the way the brim height of back-up ring 9 on the earthed switch axle, earthed switch rotating shaft 3 can be rotated.
When earthed switch forwards separating brake to by combined floodgate, earthed switch axle sleeve 6 is along with earthed switch rotating shaft 3 turns over equal angular, projection on the earthed switch axle sleeve 6 just in time is stuck in the groove of last locking part 5, is fixed on the preceding Xiamen 4 because door is gone up locking part 5, and the Xiamen just can't be opened before the institute.
When circuit breaker returns to test position, in the time of can the operational grounding switch, when earthed switch turns to combined floodgate by separating brake, earthed switch axle sleeve 6 is along with earthed switch rotating shaft 3 turns over equal angular, projection on the earthed switch axle sleeve 6 just in time allows the groove of first line of a couplet latch fitting 5 of opening the door, because locking part 5 is fixed on the preceding Xiamen 4 on the door, the Xiamen just can have been opened before the institute.
Claims (2)
1. Medium Voltage Switchgear earthed switch and preceding Xiamen interlocking device, it is characterized in that: comprise the earthed switch rotating shaft (3) that is arranged in the preceding Xiamen (4) and is positioned at a body framework (1) one side, described door body framework (1) inboard also is provided with the door of fixedlying connected with preceding Xiamen (4) and goes up locking part (5), the earthed switch axle sleeve (6) that one of fixed installation can be rotated with the earthed switch rotating shaft is gone up in described earthed switch rotating shaft (3), and the groove location of the locking part on the door of the projection (7) on the earthed switch axle sleeve (6) also can place or leave under the rotation of earthed switch rotating shaft in the groove (8) of locking part on the door; Also be provided with one in the described earthed switch rotating shaft (3) and be positioned at back-up ring (9) on the inboard earthed switch axle of earthed switch axle sleeve (6), the below of back-up ring on the earthed switch axle (9) is hinged with an earthed switch dead bolt (11) by pivot pin (10), described earthed switch dead bolt (11) upper end be provided with the earthed switch axle on the fastening end that adapts of the notch of back-up ring (9), the place ahead of described earthed switch dead bolt (11) is provided with one and stretches out upward push-botton operation axle (12) of the external door of preceding every down, and the described door upward end of push-botton operation axle (12) is pressed over the lower end of earthed switch dead bolt (11) and can makes earthed switch dead bolt (11) enter or withdraw from the notch of back-up ring on the earthed switch axle (9).
2. according to described Medium Voltage Switchgear earthed switch of claim 1 and preceding Xiamen interlocking device, described door go up the push-botton operation axle be provided with one be positioned at before the external lockhole (13) of every down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101412362A CN103227062A (en) | 2013-04-23 | 2013-04-23 | Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101412362A CN103227062A (en) | 2013-04-23 | 2013-04-23 | Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103227062A true CN103227062A (en) | 2013-07-31 |
Family
ID=48837467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101412362A Pending CN103227062A (en) | 2013-04-23 | 2013-04-23 | Interlocking mechanism for ground switch and front lower door of medium-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103227062A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515125A (en) * | 2013-09-24 | 2014-01-15 | 上海人民电力设备股份有限公司 | Mechanical locking device |
| CN105186295A (en) * | 2015-09-01 | 2015-12-23 | 希格玛电气(珠海)有限公司 | Three-in-two program lock interlocking apparatus of ring main unit |
| CN108807038A (en) * | 2018-06-28 | 2018-11-13 | 上海万控柜架有限公司 | A kind of lower door interlocking mechanism |
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050052870A (en) * | 2003-12-01 | 2005-06-07 | 엘에스산전 주식회사 | Cover interlock apparatus of ring main unit |
| CN101692522A (en) * | 2009-08-25 | 2010-04-07 | 温州新机电器有限公司 | Interlocking device for earthing switch operation of switch cabinet |
| CN201741602U (en) * | 2009-12-17 | 2011-02-09 | 江山市森源电器有限公司 | Interlocking device of ground switch operating mechanism of central-positioned high-voltage switch cabinet |
| CN203218124U (en) * | 2013-04-23 | 2013-09-25 | 镇江大全伊顿电器有限公司 | Earthing switch and front-lower-door interlocking mechanism for medium-voltage switchgear |
-
2013
- 2013-04-23 CN CN2013101412362A patent/CN103227062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050052870A (en) * | 2003-12-01 | 2005-06-07 | 엘에스산전 주식회사 | Cover interlock apparatus of ring main unit |
| CN101692522A (en) * | 2009-08-25 | 2010-04-07 | 温州新机电器有限公司 | Interlocking device for earthing switch operation of switch cabinet |
| CN201741602U (en) * | 2009-12-17 | 2011-02-09 | 江山市森源电器有限公司 | Interlocking device of ground switch operating mechanism of central-positioned high-voltage switch cabinet |
| CN203218124U (en) * | 2013-04-23 | 2013-09-25 | 镇江大全伊顿电器有限公司 | Earthing switch and front-lower-door interlocking mechanism for medium-voltage switchgear |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515125A (en) * | 2013-09-24 | 2014-01-15 | 上海人民电力设备股份有限公司 | Mechanical locking device |
| CN105186295A (en) * | 2015-09-01 | 2015-12-23 | 希格玛电气(珠海)有限公司 | Three-in-two program lock interlocking apparatus of ring main unit |
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
| CN110444419B (en) * | 2018-05-04 | 2022-07-12 | 伊顿电力设备有限公司 | Interlocking device and switch cabinet with same |
| CN108807038A (en) * | 2018-06-28 | 2018-11-13 | 上海万控柜架有限公司 | A kind of lower door interlocking mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130731 |