CN201698930U - Locking device of lifting door switching device operation mechanism - Google Patents
Locking device of lifting door switching device operation mechanism Download PDFInfo
- Publication number
- CN201698930U CN201698930U CN2010202001631U CN201020200163U CN201698930U CN 201698930 U CN201698930 U CN 201698930U CN 2010202001631 U CN2010202001631 U CN 2010202001631U CN 201020200163 U CN201020200163 U CN 201020200163U CN 201698930 U CN201698930 U CN 201698930U
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- cam
- locking
- blocking lever
- lever
- groove
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Abstract
The utility model discloses a locking device of a lifting door switching device operation mechanism. The locking device of a lifting door switching device operation mechanism comprises a locking slice, a locking lever and a rotation lever, wherein the locking slice is installed on a lifting door, the locking lever can be installed in an on and off operation mechanism, and the rotation lever can rotatable control on and off and is provided with a cam; the lower part of the outer edge of the cam corresponds to the top end of the locking lever, and the cam is provided with a groove for the end of the locking lever to be inserted; the U-shaped locking slice is provided with a U-shaped clamping groove; a limiting sheet is fixed on the bottom end of the locking lever; the bottom of the locking lever is sheathed with the U-shaped clamping groove; and the limiting slice is arranged in the locking slice. Only when the cam of the on and off operation mechanism rotates to the off position, the groove on the cam gives position for the locking lever; the press on the lifting door by the lower end of the locking lever is eliminated to open the lifting door; only when the lifting door downwards pulls to close, the locking slice on the lifting door drives the limiting slice to pull the locking lever downwards; then the upper end of the locking lever is separated from the cam groove to relief rotary limiting to the cam, and the rotary lever can rotate to on operation to prevent personnel from entering a charged interval by mistake.
Description
[technical field]
The utility model relates to a kind of Opening-closing equipment for door operating mechanism locking device that lifts, specifically be that a kind of Opening-closing equipment for door that lifts is under running status, the personnel that prevent do not open the cable door under the situation of separating brake ground connection at switchgear, promptly prevent a kind of " five is anti-" locking device of mistakenly entering charged chamber.
[background technology]
" five is anti-" is the abbreviation that prevents five kinds of electric misoperations in the electric power system, promptly divide by mistake, mistake closes circuit breaker, on-load opening and closing isolating switch, charged extension (closing) ground connection burst at the seams (switch), band earth connection (switch) closes circuit breaker (isolating switch), mistakenly entering charged chamber; Therefore, various switchgear cabinets must have certain operating sequence, otherwise will cause serious consequence even accident occur, and for this reason, switch cubicle should have " five is anti-" function.Operating mechanism locking device in the switchgear is when equipment send electricity or interruption maintenance, guarantee switchgear safe operation and personal security, promptly just can lay equipment cable vault door under the situation of switch ground connection (or separating brake) or under the situation that equipment cable vault door is closed switch could close a floodgate.For lifting Opening-closing equipment for door, domestic manufacturer is short of to some extent to the design of operating mechanism and cable vault's door latch apparatus mostly at present, and a lot of producers simply do not design mechanical locking device, just prevent personnel's mistakenly entering charged chamber with electrification display; So just be easy to cause under switchgear does not have the situation of ground connection (or separating brake), open cable vault's door or under the situation that cable vault's door does not shut switchgear close a floodgate; Therefore, all there is serious potential safety hazard in switchgear in whole maintenance process.
[utility model content]
For addressing the above problem, the utility model is intended to propose a kind of locking device that lifts the Opening-closing equipment for door operating mechanism.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of locking device that lifts the Opening-closing equipment for door operating mechanism, contain and to be installed on the locking sheet that lifts on the door, the dwang that can be installed on in-house blocking lever of breaking-closing operating and rotatable control divide-shut brake, it is characterized in that: dwang is provided with a cam, the top of the corresponding blocking lever in below, cam outer, cam are provided with one can be for the groove of blocking lever end insertion; U type shape locking sheet is provided with the U-shaped draw-in groove, and the bottom of blocking lever is fixed with banking stop, the bottom of blocking lever and U-shaped draw-in groove fit, and banking stop is in the locking sheet.
The utility model breaking-closing operating mechanism close, when the rotation dwang drives the rotation of cam rotation cam in the separating brake process, its outer roof pressure blocking lever moves downward, when breaking-closing operating mechanism closes a floodgate, cam outer extruding blocking lever makes its lower end withstand and lifts door that lifting door can't open; When breaking-closing operating mechanism carries out separating brake (or ground connection), blocking lever moves in the groove that inserts cam along the cam outer, this moment, blocking lever moved to the upper limit, the blocking lever lower end is removed the roof pressure that lifts door spacing, lifting door can open, owing in the groove that snaps in cam on the blocking lever it can not being rotated, the switch of this moment can not carry out closing operation simultaneously.The locking sheet is made U type shape, the one end with lift a mount, the other end is a U type draw-in groove, the banking stop of blocking lever lower end can move up and down in the locking sheet, the locking sheet can block the banking stop of blocking lever lower end.When shutting when lifting, the draw-in groove of locking sheet blocks the banking stop of blocking lever, drives blocking lever and moves downward, and this moment, the blocking lever upper end left cam groove, can carry out closing operation; On the contrary, when carrying out separating brake (or ground connection), open and lift door, blocking lever moves upward, and makes the blocking lever upper end inject the groove of cam, though this moment, operating grip can insert handle hole, can't rotate dwang and carry out the on/off switch operation.
Of the present utility model compared with prior art have a following advantage:
1. guarantee just can open under switch separating brake situation the door that lifts of switch cubicle: only the cam rotation in breaking-closing operating mechanism arrives the separating brake position, groove on the cam is stepped down to blocking lever, remove the blocking lever lower end to lifting the roof pressure of door, just can open and lift door, guarantee overhaul of the equipments or operating personnel's safety.
2. switch cubicle lift that switch could close a floodgate under the door situation of closing: only lift the student and draw and close, the locking sheet drive banking stop that lifts on the door pulls down blocking lever, the blocking lever upper end is separated with cam groove, releasing is to the rotary spacing of cam, can rotate dwang and carry out closing operation, prevent personnel's mistakenly entering charged chamber.
[description of drawings]
Fig. 1 is installed in stereogram on the switch cubicle (omit switch cabinet body and lift door) for the utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is a left view of the present utility model;
Fig. 4 is a rearview of the present utility model;
Cam and blocking lever position view when but Fig. 5 promptly lifts the door door opening state for the utility model in ground connection separating brake position;
Fig. 6 removes the lock-bit schematic diagram of blocking lever to cam for the utility model simultaneously closing to lift;
Fig. 7 is the utility model cam and blocking lever position view in the separating brake position and when locking a door;
Fig. 8 is the utility model cam and blocking lever position view when closing position (door lock is lived).
Among the figure: 1. breaking-closing operating mechanism; 2. blocking lever; 2.1. banking stop; 3. dwang; 4. cam; 4.1. groove; 5. locking sheet; 5.1. draw-in groove.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1～a kind of locking device that lifts the Opening-closing equipment for door operating mechanism shown in Figure 5, by the dwang 3 that is installed on the blocking lever 2 in the breaking-closing operating mechanism 1, rotatable control divide-shut brake, be fixed on the cam 4 on the dwang 3, and be installed on the locking sheet 5 that lifts on the door and form; The top of the corresponding blocking lever 2 in below, cam 4 outers, cam 4 are provided with one can be for the groove 4.1 of blocking lever 2 ends insertion; U type shape locking sheet 5 is provided with U-shaped draw-in groove 5.1, the bottom of blocking lever 2 is fixed with banking stop 2.1, the bottom of blocking lever 2 and U-shaped draw-in groove 5.1 fits, banking stop 2.1 is in the locking sheet 5, the banking stop 2.1 of blocking lever 2 lower ends can move up and down in locking sheet 5, and locking sheet 5 can block the banking stop 2.1 of blocking lever 2 lower ends.During installation, locking sheet 5 is fixed on lifting on the door of switch cubicle, according to the rotation displacement of cam 4 and open position in-migration adjusting blocking lever 2 length that lift door, blocking lever 2 tops are fixed on earlier in the breaking-closing operating mechanism 1, the banking stop 2.1 of the bottom of blocking lever 2 are placed in the locking sheet 5 that lifts on the door again.
Describe the action of operation principle of the present utility model and enforcement below in detail.
As Fig. 1, Fig. 3, Fig. 7 and shown in Figure 8, breaking-closing operating of the present utility model mechanism 1 rotates dwang 3 and drives cams 4 and rotate in separating brake, making process, during the rotation of cam 4, cam 4 outer roof pressure blocking levers 2 move downward, the banking stop 2.1 of blocking lever 2 bottoms withstands and is installed on the locking sheet 5 that lifts on the door, make lift the door can't open;
As Fig. 1, Fig. 3 and shown in Figure 5, when breaking-closing operating mechanism 1 carries out separating brake (or ground connection), blocking lever 2 moves in the groove 4.1 that inserts cam 4 along cam 4 outers, this moment, blocking lever 2 moved to the upper limit, blocking lever 2 lower ends are removed the roof pressure that lifts door spacing, lifting door can open, and simultaneously because blocking lever 2 upper ends snap in the groove 4.1 of cam 4 it can not be rotated, and can not carry out closing operation this moment.
As Fig. 1, Fig. 3 and shown in Figure 6, when shutting when lifting, the draw-in groove 5.1 of locking sheet 5 blocks the banking stop 2.1 of blocking lever 2, driving blocking lever 2 moves downward, this moment, separated with the groove 4.1 of cam 4 blocking lever 2 upper ends, the lock-bit that blocking lever 2 is removed cam 4 makes the dwang 3 rotatable closing operations that carry out; On the contrary, as shown in Figure 5, when carrying out separating brake (or ground connection), open and lift door, blocking lever 2 moves upward, make blocking lever 2 upper ends inject the groove 4.1 of cam 4,, can't rotate dwang 3 and carry out the on/off switch operation though this moment, operating grip can insert handle hole in the breaking-closing operating mechanism 1.
Claims (1)
1. locking device that lifts the Opening-closing equipment for door operating mechanism, contain and to be installed on the locking sheet that lifts on the door, the dwang that can be installed on in-house blocking lever of breaking-closing operating and rotatable control divide-shut brake, it is characterized in that: dwang is provided with a cam, the top of the corresponding blocking lever in below, cam outer, cam are provided with one can be for the groove of blocking lever end insertion; U type shape locking sheet is provided with the U-shaped draw-in groove, and the bottom of blocking lever is fixed with banking stop, the bottom of blocking lever and U-shaped draw-in groove fit, and banking stop is in the locking sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202001631U CN201698930U (en) | 2010-05-17 | 2010-05-17 | Locking device of lifting door switching device operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202001631U CN201698930U (en) | 2010-05-17 | 2010-05-17 | Locking device of lifting door switching device operation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201698930U true CN201698930U (en) | 2011-01-05 |
Family
ID=43400176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202001631U Expired - Fee Related CN201698930U (en) | 2010-05-17 | 2010-05-17 | Locking device of lifting door switching device operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201698930U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780164A (en) * | 2012-07-16 | 2012-11-14 | 镇江大全伊顿电器有限公司 | Back door interlocking mechanism of medium voltage switchgear |
| CN104576117A (en) * | 2015-01-15 | 2015-04-29 | 博耳(无锡)电力成套有限公司 | Lower door interlocking device of solid insulation ring main unit |
| CN105702500A (en) * | 2016-04-08 | 2016-06-22 | 南阳市鑫特电气有限公司 | High voltage switch cabinet misoperation preventing device |
| CN111613479A (en) * | 2020-04-17 | 2020-09-01 | 亨斯迈(杭州)电力技术有限公司 | Novel five-prevention locking method |
-
2010
- 2010-05-17 CN CN2010202001631U patent/CN201698930U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780164A (en) * | 2012-07-16 | 2012-11-14 | 镇江大全伊顿电器有限公司 | Back door interlocking mechanism of medium voltage switchgear |
| CN104576117A (en) * | 2015-01-15 | 2015-04-29 | 博耳(无锡)电力成套有限公司 | Lower door interlocking device of solid insulation ring main unit |
| CN105702500A (en) * | 2016-04-08 | 2016-06-22 | 南阳市鑫特电气有限公司 | High voltage switch cabinet misoperation preventing device |
| CN105702500B (en) * | 2016-04-08 | 2018-04-03 | 南阳市鑫特电气有限公司 | A kind of anti-misoperating device for high-voltage switch cubicle |
| CN111613479A (en) * | 2020-04-17 | 2020-09-01 | 亨斯迈(杭州)电力技术有限公司 | Novel five-prevention locking method |
| CN111613479B (en) * | 2020-04-17 | 2022-05-06 | 亨斯迈(杭州)电力技术有限公司 | Novel five-prevention locking method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XIAMEN MINGHAN ELECTRIC CO., LTD. Free format text: FORMER NAME: XIAMEN MINGHAN ELECTRICAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 361006, Fujian, Xiamen Province, Huli District, torch hi tech Zone, Pioneering Park, Albert building north two floor, room N207-N208 Patentee after: Xiamen Minghan Electric Co., Ltd. Address before: 361006, Fujian, Xiamen Province, Huli District, torch hi tech Zone, Pioneering Park, Albert building north two floor, room N207-N208 Patentee before: Xiamen Minghan Electrical Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 361101 Fujian province Xiamen torch hi tech Zone (Xiangan) Hong Road Industrial Zone No. 9 Framingham Industrial Park Comprehensive Building 1 floor Patentee after: Xiamen Minghan Electric Co., Ltd. Address before: 361006, Fujian, Xiamen Province, Huli District, torch hi tech Zone, Pioneering Park, Albert building north two floor, room N207-N208 Patentee before: Xiamen Minghan Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20160517 |