CN201247698Y - Grounding switch and cable house door closedown structure of switch cabinet - Google Patents
Grounding switch and cable house door closedown structure of switch cabinet Download PDFInfo
- Publication number
- CN201247698Y CN201247698Y CNU2008201468269U CN200820146826U CN201247698Y CN 201247698 Y CN201247698 Y CN 201247698Y CN U2008201468269 U CNU2008201468269 U CN U2008201468269U CN 200820146826 U CN200820146826 U CN 200820146826U CN 201247698 Y CN201247698 Y CN 201247698Y
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- CN
- China
- Prior art keywords
- earthed switch
- cable vault
- door
- horizontal
- press rod
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an earth switch and a cable chamber door locking structure of a switch cabinet. A horizontal press rod and a vertical press rod are arranged in the cabinet body of the switch cabinet, the horizontal press rod is provided with a horizontal restoring spring which applies forward horizontal thrust to the horizontal press rod, the vertical press rod is provided with a vertical restoring spring which applies upward thrust to the vertical press rod, the horizontal press rod is connected with an oblique block, the vertical press rod is connected with a pressing block, the oblique block and the pressing block are in mutual contact to form an incline mechanism, an operating shaft of the earth switch is in a prism shape, the upper end of the vertical press rod is positioned under the operating shaft of the earth switch, a cable chamber door locking piece is also arranged in the cabinet body and is provided with a control rotating shaft, the tail end of the control rotating shaft is provided with a first bent shaft, the tail end of the operating shaft of the earth switch is provided with a second bent shaft, a connecting rod is arranged between the first bent shaft and the second bent shaft, and both ends of the connecting rod are respectively articulated with the first bent shaft and the second bent shaft. The utility model not only has reliable structure and simple and convenient operation, but also can effectively protect the safety of operators and can achieve the requirements of the standard.
Description
Technical field
The utility model belongs to the technical field of switch cubicle, is specifically related to a kind of earthed switch of switch cubicle and the closedown structure of cable vault's door.
Background technology
Earthed switch and cable vault's door closedown mode of existing switch cubicle are as follows:
1. in the interruption maintenance program, the preceding Xiamen locking of earthed switch and switch cubicle, when earthed switch was in "on" position, the cam of earthed switch power transmission shaft top was depressed the deadlock lever of front door, and preceding Xiamen can be opened; Preceding Xiamen is opened the back and is taken out the procedure lock key place in advance behind the door, opens the procedure lock of cable vault's door behind the cabinet, opens cable vault's door again;
2. in sending electric program, shut cable vault's door earlier, take out the procedure lock key, be put in the procedure lock key case of preceding Xiamen, shut preceding Xiamen again, allow the little moveable door of earthed switch power transmission shaft front open, carry out the separating brake of earthed switch, again circuit breaker is shaken the service position and close a floodgate and send.
The earthed switch of above-mentioned switch cubicle and cable vault's door closedown structure have the following disadvantages: 1, employed procedure lock troublesome poeration, walk easily, precision is low, and is unreliable, a key once takes place can open serious security hidden troubles such as several cable vault's door procedure locks; 2, components and parts are not installed in the inside, preceding Xiamen of switch cubicle, and during maintenance being does not originally need to open preceding Xiamen, but just in order to obtain the procedure lock key, so each operation also all must be opened preceding Xiamen, it is too loaded down with trivial details indirect and unnecessary that the whole operation process seems.
Summary of the invention
The purpose of this utility model is earthed switch and the cable vault's door closedown structure that a kind of switch cubicle is provided at the above-mentioned deficiency of prior art, and it is reliable in structure not only, and simple to operation.
For achieving the above object, the earthed switch of the utility model switch cubicle and cable vault's door closedown structure comprise switch cabinet body, cable vault's door and earthed switch, earthed switch is provided with the earthed switch operating axis, cable vault's door is provided with lockhole, its main feature is, also be provided with horizontal struts and vertical depression bar, horizontal struts can be installed in the cabinet front and back with moving horizontally, and horizontal struts is provided with it is applied the horizontal reset spring of horizontal thrust forward; Vertical depression bar can vertically be installed in up and down in the cabinet movably, and vertical depression bar is provided with it is applied the upwards vertical back-moving spring of thrust; Horizontal struts is connected with skewback, and vertical depression bar is connected with briquetting, and skewback and briquetting contact with each other and form oblique mechanism; The earthed switch operating axis is prismatic, the upper end of vertical depression bar be positioned at the earthed switch operating axis under; Cable vault's door lock sheet also is installed in the cabinet, the position of cable vault's door lock sheet is corresponding with the position in door lock hole, cable vault, cable vault's door lock sheet is provided with control rotating shaft, the control rotating shaft end is provided with first bent axle, earthed switch operating axis end is provided with second bent axle, be provided with connecting rod between first bent axle and second bent axle, the two ends of connecting rod are hinged with first bent axle, second bent axle respectively.
Be preferably, earthed switch operating axis cross section is hexagon.
The utlity model has following advantage and effect:
1, close when cable vault's door, horizontal struts drives vertical depression bar and moves down, and vertical depression bar top breaks away from the earthed switch operating axis, just allows the earthed switch operating axis to rotate, and promptly allows earthed switch to carry out sub-switching operation; When the earthed switch separating brake, the earthed switch operating axis drives cable vault's door lock sheet and rotates, and cable vault's door lock sheet is tight with cable vault's door lock automatically, reaches the effect that prevents mistakenly entering charged chamber;
When the needs interruption maintenance, can carry out the combined floodgate of earthed switch earlier, in the earthed switch making process, the earthed switch operating axis drives cable vault's door lock sheet backward rotation, and cable vault's door is with regard to automatic unlocking; And open when cable vault's door one, the earthed switch operating axis is just withstood automatically in vertical depression bar top, and the earthed switch operating axis can not rotate, and so just can prevent the misoperation earthed switch;
Therefore the utility model can effectively be protected operating personnel's safety, can reach the requirement of standard.
2, the utility model reliable in structure is simple to operation.
Description of drawings
Fig. 1 is that a kind of embodiment of the utility model closes at cable vault's door, the view when carrying out transmission operation.
Fig. 2 is that embodiment shown in Figure 1 opens at cable vault's door, the view when carrying out interruption maintenance.
Fig. 3 is an A-A sectional structure schematic diagram among Fig. 1.
B-B sectional structure schematic diagram among Fig. 4 Fig. 2.
Fig. 5 is the view that vertical depression bar upper end breaks away from the earthed switch operating axis.
Fig. 6 is the view that the earthed switch operating axis is withstood in vertical depression bar upper end.
Fig. 7 is that the horizontal level of cable vault's door and horizontal struts front end bend part concerns schematic diagram among Fig. 1.
Embodiment
Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 7, the earthed switch of this switch cubicle and cable vault's door closedown structure comprise switch cabinet body 1, cable vault's door 2 and earthed switch, earthed switch is provided with earthed switch operating axis 3, earthed switch operating axis 3 is provided with the operating grip 32 that exposes, cable vault's door 2 is provided with lockhole 21, also be provided with horizontal struts 4 and vertical depression bar 5 in the cabinet, horizontal struts 4 front ends are provided with bend part 44, vertical depression bar 5 is curved shape, horizontal struts 4 can be installed in the cabinet front and back with moving horizontally, horizontal struts is arranged with horizontal reset spring 41, and 41 pairs of horizontal struts 4 of horizontal reset spring apply horizontal thrust forward; Vertical depression bar 5 can vertically be installed in up and down in the cabinet movably, and vertical depression bar is arranged with it is applied the upwards vertical back-moving spring 51 of thrust; Horizontal struts 4 is connected with skewback 42, and vertical depression bar 5 is connected with briquetting 43, and skewback 42 and briquetting 43 contact with each other and form oblique mechanism; Earthed switch operating axis 3 cross sections are hexagon, the top of vertical depression bar 5 be positioned at earthed switch operating axis 3 under; Cable vault's door lock sheet 6 also is installed in the cabinet, the position of cable vault's door lock sheet 6 is corresponding with the position in door lock hole, cable vault 21, cable vault's door lock sheet 21 is provided with control rotating shaft 61, control rotating shaft 61 ends are provided with first bent axle 62, earthed switch operating axis 3 ends are provided with second bent axle 31, be provided with connecting rod 7 between first bent axle 62 and second bent axle 31, the two ends of connecting rod 7 respectively with first bent axle 62, second bent axle 31 is hinged, one end of connecting rod 7 and first bent axle 62 are hinged and form toggle, and the other end of connecting rod 7 and second bent axle 31 are hinged and form toggle.
The foregoing description course of action is as follows:
Send electric program: Fig. 1, shown in Figure 3, when cable vault's door 2 is closed, door 2 pressure touches in cable vault's are to the bend part 44 of horizontal struts 4, cable vault's door 2 overcomes the elastic force of horizontal reset spring 41 and promotes horizontal struts 4 and moves backward, shown in arrow among Fig. 7, Fig. 2, the briquetting 43 that the skewback 42 of horizontal struts 4 promotes vertical depression bar 5 moves downward, whole vertical depression bar 5 moves downward, vertical depression bar 5 tops break away from earthed switch operating axis 3, as shown in Figure 5, so earthed switch operating axis 3 can rotate, allow earthed switch to carry out sub-switching operation; When earthed switch carries out sub-switching operation, earthed switch operating axis 3 rotates counterclockwise an angle, because the rotation of earthed switch operating axis 3, driving connecting rod 7 by second bent axle 31 moves down, moving down of connecting rod 7 drives 62 rotations of first bent axle, the control rotating shaft 61 of cable vault's door lock sheet is rotated thereupon, cable vault's door lock sheet 6 rotates an angle, cable vault's door lock sheet 6 enters door lock hole, cable vault 21, thereby pinned cable vault's door 2 (as Fig. 1, shown in Figure 3), prevent mistakenly entering charged chamber, can shake into the circuit breaker dolly this moment and close a floodgate and send.
Blackout procedures: Fig. 2, shown in Figure 4, when needing interruption maintenance, carry out the combined floodgate of earthed switch earlier, earthed switch operating axis 3 is angle of revolution clockwise, second bent axle 31 drives connecting rod and moves up, and moving up of connecting rod drives 62 revolutions of first bent axle, and the control rotating shaft 61 of cable vault's door lock sheet is turned round certain angle thereupon, cable vault's door lock sheet 6 leaves door lock hole, cable vault 21 (as Fig. 2, shown in Figure 4), and cable vault's door obtains release and can open.Fig. 2, shown in Figure 4, when cable vault's door 2 is opened, horizontal struts 4 no longer is subjected to the active force of cable vault's door, so horizontal struts 4 travels forward under the elastic force effect of horizontal reset spring 41, promoting horizontal struts 4 travels forward, the skewback 42 of horizontal struts travels forward, the briquetting 43 of vertical depression bar moves upward under vertical back-moving spring 51 effects, whole vertical depression bar 5 moves upward, earthed switch operating axis 3 (as shown in Figure 6) is withstood in vertical depression bar 5 upper ends, so earthed switch operating axis 3 can not rotate, no longer allow earthed switch to carry out sub-switching operation, can enter the cable vault and overhaul this moment.
Claims (2)
1. the earthed switch of a switch cubicle and cable vault's door closedown structure, comprise switch cabinet body, cable vault's door and earthed switch, earthed switch is provided with the earthed switch operating axis, cable vault's door is provided with lockhole, it is characterized in that: also be provided with horizontal struts and vertical depression bar, horizontal struts can be installed in the cabinet front and back with moving horizontally, and horizontal struts is provided with it is applied the horizontal reset spring of horizontal thrust forward; Vertical depression bar can vertically be installed in up and down in the cabinet movably, and vertical depression bar is provided with it is applied the upwards vertical back-moving spring of thrust; Horizontal struts is connected with skewback, and vertical depression bar is connected with briquetting, and skewback and briquetting contact with each other and form oblique mechanism; The earthed switch operating axis is prismatic, the upper end of vertical depression bar be positioned at the earthed switch operating axis under; Cable vault's door lock sheet also is installed in the cabinet, the position of cable vault's door lock sheet is corresponding with the position in door lock hole, cable vault, cable vault's door lock sheet is provided with control rotating shaft, the control rotating shaft end is provided with first bent axle, earthed switch operating axis end is provided with second bent axle, be provided with connecting rod between first bent axle and second bent axle, the two ends of connecting rod are hinged with first bent axle, second bent axle respectively.
2, the earthed switch of switch cubicle according to claim 1 and cable vault's door closedown structure, it is characterized in that: the cross section of earthed switch operating axis is hexagon.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201468269U CN201247698Y (en) | 2008-08-19 | 2008-08-19 | Grounding switch and cable house door closedown structure of switch cabinet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201468269U CN201247698Y (en) | 2008-08-19 | 2008-08-19 | Grounding switch and cable house door closedown structure of switch cabinet |
Publications (1)
Publication Number | Publication Date |
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CN201247698Y true CN201247698Y (en) | 2009-05-27 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2008201468269U Expired - Lifetime CN201247698Y (en) | 2008-08-19 | 2008-08-19 | Grounding switch and cable house door closedown structure of switch cabinet |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101931178A (en) * | 2010-08-10 | 2010-12-29 | 山东泰开成套电器有限公司 | Device for forcibly locking front door of switch cabinet |
CN102312624A (en) * | 2011-07-01 | 2012-01-11 | 广东北江开关厂有限公司 | Blocking structure for cubicle switchboard front door and cable chamber door |
CN102638011A (en) * | 2012-04-05 | 2012-08-15 | 江山市开关厂有限公司 | Self-locking device for KYN61-405 type handcart valve driving mechanism |
CN109559919A (en) * | 2018-12-17 | 2019-04-02 | 江苏大烨智能电气股份有限公司 | A kind of high-tension switch gear mechanism interlock |
CN111415831A (en) * | 2020-03-14 | 2020-07-14 | 广东正超电气有限公司 | Mechanical locking control mechanism for grounding switch and cable chamber door of switch cabinet |
CN111786284A (en) * | 2020-08-07 | 2020-10-16 | 大连华锐重工集团股份有限公司 | Safety medium-voltage cabinet with double circuit breaker chambers |
-
2008
- 2008-08-19 CN CNU2008201468269U patent/CN201247698Y/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101931178A (en) * | 2010-08-10 | 2010-12-29 | 山东泰开成套电器有限公司 | Device for forcibly locking front door of switch cabinet |
CN102312624A (en) * | 2011-07-01 | 2012-01-11 | 广东北江开关厂有限公司 | Blocking structure for cubicle switchboard front door and cable chamber door |
CN102312624B (en) * | 2011-07-01 | 2013-11-13 | 广东北江开关厂有限公司 | Blocking structure for cubicle switchboard front door and cable chamber door |
CN102638011A (en) * | 2012-04-05 | 2012-08-15 | 江山市开关厂有限公司 | Self-locking device for KYN61-405 type handcart valve driving mechanism |
CN102638011B (en) * | 2012-04-05 | 2015-03-11 | 江山市开关厂有限公司 | Self-locking device for KYN61-405 type handcart valve driving mechanism |
CN109559919A (en) * | 2018-12-17 | 2019-04-02 | 江苏大烨智能电气股份有限公司 | A kind of high-tension switch gear mechanism interlock |
CN111415831A (en) * | 2020-03-14 | 2020-07-14 | 广东正超电气有限公司 | Mechanical locking control mechanism for grounding switch and cable chamber door of switch cabinet |
CN111415831B (en) * | 2020-03-14 | 2022-04-08 | 广东正超电气有限公司 | Mechanical locking control mechanism for grounding switch and cable chamber door of switch cabinet |
CN111786284A (en) * | 2020-08-07 | 2020-10-16 | 大连华锐重工集团股份有限公司 | Safety medium-voltage cabinet with double circuit breaker chambers |
CN111786284B (en) * | 2020-08-07 | 2023-10-20 | 大连华锐重工集团股份有限公司 | Safety double-circuit breaker room medium-voltage cabinet |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20090527 |
|
CX01 | Expiry of patent term |