CN105071238A - Anti-error operation mechanism of low-voltage fixed type switchgear - Google Patents

Anti-error operation mechanism of low-voltage fixed type switchgear Download PDF

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Publication number
CN105071238A
CN105071238A CN201510460794.4A CN201510460794A CN105071238A CN 105071238 A CN105071238 A CN 105071238A CN 201510460794 A CN201510460794 A CN 201510460794A CN 105071238 A CN105071238 A CN 105071238A
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China
Prior art keywords
dead bolt
hole
cam
misoperation
low pressure
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CN201510460794.4A
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Chinese (zh)
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CN105071238B (en
Inventor
何富权
黎斌
唐仕平
黄有庆
梁锐昌
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GUANGXI NANBAOTE ELECTRICAL MANUFACTURING Co Ltd
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GUANGXI NANBAOTE ELECTRICAL MANUFACTURING Co Ltd
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Publication of CN105071238A publication Critical patent/CN105071238A/en
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Abstract

The invention discloses an anti-error operation mechanism of a low-voltage fixed type switchgear. The anti-error operation mechanism comprises a lock catch which is provided with a through hole and is fixed at the inner side of the door plate of the switchgear; a dead bolt sleeve which is provided with a through hole and is fixed below the lock catch, wherein the through hole of the dead bolt sleeve and the through hole of the lock catch are disposed at the same straight line; a dead bolt whose upper portion is embedded into the through hole of the dead bolt sleeve and is also embedded into the through hole of the lock catch at the same time when an isolation switch is at a switching-on state, wherein the widths of the through holes of the lock catch and the dead bolt sleeve are greater than the width of the upper portion of the dead bolt; and a cam which has a circular upper portion and an elliptical lower portion when the isolation switch is at a switching-on state, wherein the outer edge of an ellipse is provided with a guide rail, the lower portion is fixedly connected with the rotating shaft of the isolation switch, the upper portion of the cam and a pin at the lower portion of the dead bolt are connected through the guide rail, and the connected pin at the lower portion of the dead bolt is parallel to the rotating shaft of the isolation switch. The mechanism provided by the invention can ensure that the door of the switchgear is open only when the isolation switch is switched off, and the safety and convenience are high.

Description

The misoperation-proof mechanism of low pressure fixed switching cabinet
Technical field
The present invention relates to low-voltage power supply equipment technical field, more particularly, relate to a kind of misoperation-proof mechanism of low pressure fixed switching cabinet.
Background technology
Low pressure fixed switching cabinet is widely used in the electric power such as uptown, skyscraper, factory in the power distribution station at center and box-type substation.No matter current low pressure fixed switching cabinet lower cabinet door is at the breaking-closing operating of opening or can carry out under closed condition isolating switch, easily like this cause misoperation to cause electric shock accidents, jeopardize operating personnel's personal safety.
In view of current Problems existing, urgently have a kind of safety, reliably, easy to use, simple, the misoperation-proof mechanism being easy to the low pressure fixed switching cabinet of maintenance, repair occurs.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and the advantage will illustrated at least is below provided.
A further object of the invention is to provide a kind of misoperation-proof mechanism of low pressure fixed switching cabinet, it is installed in the door-plate of switch cubicle, can ensure under the state of isolating switch separating brake, the door of switch cubicle just allows to open, under the state that isolating switch closes a floodgate, the door of low pressure fixed switching cabinet keeps closing locking state, thus can guarantee safety; Unless when after determining isolating switch separating brake, misoperation-proof mechanism fault cannot open cabinet door, can open cabinet door by snap close of manually dismantling and carry out maintenance process, both safety, facilitates again.
In order to realize according to these objects of the present invention and other advantage, the invention provides a kind of misoperation-proof mechanism of low pressure fixed switching cabinet, it comprises:
Snap close, it is provided with through hole, and is fixed on inside door board of switch cabinet;
Lock bolt sleeve, it is provided with through hole, and it is fixed on below snap close, and the through hole of described lock bolt sleeve and the through hole of snap close are on the same line;
Dead bolt, its top embeds in the through hole of lock bolt sleeve, and under isolating switch "on" position, the top of dead bolt also embeds in the through hole of snap close simultaneously, and the entire widths of snap close and lock bolt sleeve is greater than the width on dead bolt top;
Cam, under isolating switch "on" position, its underpart is circular, top is oval, oval outward flange is provided with guide rail, its underpart is fixedly connected with isolating switch rotating shaft, to be tied in cam top and dead bolt lower pin connect by described guide rail, and the dead bolt bottom pin connected and described isolating switch shaft parallel.
Preferably, snap close and door board of switch cabinet are fixed by screw, and cap nut is stayed outside door board of switch cabinet.
Preferably, cam bottom is fixedly connected with by screw with isolating switch rotating shaft.
Preferably, the through hole length of lock bolt sleeve is 10-35mm, the entire widths 2-10mm larger than the width on dead bolt top of described lock bolt sleeve.
Preferably, guide rail is cannelure, described annular groove bottom opening.
Preferably, the bottom of dead bolt is inverted U opening, institute's cannelure embeds in the recess of described inverted U opening, the pin of described dead bolt bottom passes through the opening of described annular groove bottom, the bottom of described dead bolt is connected with cam, and the A/F of described annular groove bottom is greater than the diameter of dead bolt bottom pin.
Preferably, the upper end of cam is provided with magnetic material, the recess of described inverted U opening is provided with the first proximity Hall switch transducer, isolating switch rotating shaft get to separating brake put in place state time, the major semiaxis extended line of described cam ellipse is provided with the second proximity Hall switch transducer, and the signaling module that described first proximity Hall switch transducer and display are closed a floodgate is electrically connected, described second proximity Hall switch transducer is electrically connected with the signaling module of display separating brake.
Preferably, lock bolt sleeve is fixed on the mounting rail of isolating switch rotating mechanism.
The present invention at least comprises following beneficial effect: the position of the snap close that the present invention is arranged and lock bolt sleeve and through hole, can be conducive to dead bolt and move up and down in their through hole, and is keep vertical moving up and down, the outward flange of adding the top elliptical of cam is provided with guide rail, after making the bottom of dead bolt tie connect by guide pins, realize dead bolt to keep moving up and down according to the swing of cam, the bottom circle of cam is fixedly connected with isolating switch rotating shaft, under isolating switch "on" position, the major axis of cam top ellipse is in plumbness, dead bolt also rises to extreme higher position along guide rail, and make it keep vertical by snap close and the through hole of lock bolt sleeve, relend to help the oval outer peripheral guide rail in cam top and dead bolt lower pin to tie to fetch and support dead bolt and can not fall down, thus realize cabinet door locking, do not allow to open, can also to be put in place signal to combined floodgate by the first proximity Hall switch sensor sensing, and be transferred to the signaling module of display combined floodgate, the information of combined floodgate can be shown on cabinet door-plate, the position of isolating switch can be determined further.Under isolating switch gate-dividing state, dead bolt also drops to extreme lower position along the outward flange guide rail of cam ellipse, and tie by the through hole of lock bolt sleeve and the oval outer peripheral guide rail of cam and dead bolt lower pin the position fetching and support dead bolt, and keep dead bolt to fall down, thus the snap close realizing door board of switch cabinet separates with dead bolt, just allow the door opening switch cubicle, can also to be put in place signal to separating brake by the second proximity Hall switch sensor sensing, and be transferred to the signaling module of display separating brake, the information of separating brake can be shown on cabinet door-plate, the position of isolating switch can be determined further, both safety, simply, convenient, hommization again.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the installation side view of the misoperation-proof mechanism of low pressure fixed switching cabinet of the present invention;
Fig. 2 is the installation front view of the misoperation-proof mechanism of low pressure fixed switching cabinet of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to specification word to make those skilled in the art.
Can be known by Fig. 1 and Fig. 2 and a kind of way of realization of the present invention is shown, comprising:
Snap close 7: it is provided with through hole, and be fixed on the inner side of door board of switch cabinet 9, for entangling dead bolt 1 to realize the door-plate 9 of locking switch cabinet.Further, snap close 7 and door board of switch cabinet 9 can be fixed by screw by snap close 7, and cap nut can be made to stay the outside of door board of switch cabinet 9, when facilitating this misoperation-proof mechanism to break down, can pull down snap close 7 and open cabinet door and carry out maintenance process;
Lock bolt sleeve 6: it is provided with through hole, it is fixed on the below of snap close 7, the through hole of described lock bolt sleeve 6 and the through hole of snap close 7 are on the same line, dead bolt 1 can be conducive to like this move up and down in the through hole of lock bolt sleeve 6 and snap close 7, and keep vertical moving up and down, realize dead bolt 1 successfully to move up and down in the fixing through hole orientation of lock bolt sleeve 6 and can embed in the through hole of snap close 7 smoothly and depart from the through hole of snap close 7 smoothly, smooth closedowns contributing to cabinet door is locked and opens.Further, lock bolt sleeve 6 can be fixed on the mounting rail 8 of isolating switch rotating mechanism by welding or screw rod, screw;
Dead bolt 1: its top embeds in the through hole of lock bolt sleeve 6, under isolating switch "on" position, the top of dead bolt 1 also embeds in the through hole of snap close 7 simultaneously, the entire widths of snap close 7 and lock bolt sleeve 6 is greater than the width on dead bolt 1 top, the top of dead bolt 1 for embed snap close 7 through hole in be used for the door-plate 9 of locking switch cabinet;
Cam 2: under isolating switch "on" position, its underpart is circular, top is oval, oval outward flange is provided with guide rail 11, its underpart is fixedly connected with isolating switch rotating shaft 10, by described guide rail 11 cam 2 top and dead bolt 1 lower pin tied and connect, and the dead bolt bottom pin 4 connected is parallel with described isolating switch rotating shaft 10.The outward flange of the top elliptical of cam 2 is provided with guide rail 11, after the bottom of dead bolt 1 is connected by guide rail 11 pin, realize dead bolt 1 can move up and down according to the swing of cam 2, the bottom of cam 2 is circular can be connected by screw 3 or be welded and fixed with isolating switch rotating shaft 10, under isolating switch "on" position, the major axis of cam 2 top ellipse is in plumbness, dead bolt 1 also rises to extreme higher position along guide rail 11, and make it keep vertical by snap close 7 and the through hole of lock bolt sleeve 6, relend to help the oval outer peripheral guide rail 11 in cam 2 top and dead bolt 1 lower pin to tie to fetch and support dead bolt 1 and can not fall down, thus realize cabinet door locking, do not allow to open.Under isolating switch gate-dividing state, dead bolt 1 also drops to extreme lower position along the outward flange guide rail 11 of cam 2 ellipse, and tie with dead bolt 1 lower pin the position fetching and support dead bolt 1 by the through hole of lock bolt sleeve 6 and the oval outer peripheral guide rail 11 of cam 2, and keep dead bolt 1 to fall down, thus the snap close 7 realizing door board of switch cabinet 9 separates with dead bolt 1, just allow the door opening switch cubicle, thus can ideally prevent cabinet door misoperation and open, guarantee the personal safety of operating personnel.
Particularly, guide rail 11 is cannelure, and described annular groove bottom opening so not only facilitates cam 2 to be connected with dead bolt 1, is convenient to again cam 2 and drives dead bolt 1 to move up and down.Particularly, the bottom of dead bolt 1 is inverted U opening, institute's cannelure embeds in the recess of described inverted U opening, the pin 4 of described dead bolt 1 bottom passes through the opening of described annular groove bottom, the bottom of described dead bolt 1 is connected with cam 2, and the A/F of described annular groove bottom is greater than the diameter of dead bolt 1 bottom pin 4.Locking pin 5 wherein can be selected to fix pin 4, so that more stable when cam 2 drives dead bolt 1 to move.Particularly, the upper end of cam 2 is provided with magnetic material, the recess of described inverted U opening is provided with the first proximity Hall switch transducer, isolating switch rotating shaft get to separating brake put in place state time, the major semiaxis extended line of described cam 2 ellipse is provided with the second proximity Hall switch transducer, and the signaling module that described first proximity Hall switch transducer and display are closed a floodgate is electrically connected, described second proximity Hall switch transducer is electrically connected with the signaling module of display separating brake.Under isolating switch "on" position, the major axis of cam 2 top ellipse is in plumbness, dead bolt 1 also rises to extreme higher position along guide rail 11, and make it keep vertical by snap close 7 and the through hole of lock bolt sleeve 6, the first proximity Hall switch sensor sensing on the recess of inverted U opening is to the magnetic material of the upper end of cam 2, to put in place signal as combined floodgate, and be transferred to the signaling module of display combined floodgate, the information of combined floodgate can be shown on cabinet door-plate 9, the position of isolating switch can be determined further.Under isolating switch gate-dividing state, dead bolt 1 drops to extreme lower position along the outward flange guide rail 11 of cam 2 ellipse, at this moment the second proximity Hall switch sensor sensing is to the magnetic material of the upper end of cam 2, to put in place signal as separating brake, and be transferred to the signaling module of display separating brake, the information of separating brake can be shown on cabinet door-plate, thus the position of isolating switch can be determined further, both safely, simply, conveniently, hommization again.
In another kind of embodiment, the through hole length of lock bolt sleeve 6 can elect 10-35mm as, and the entire widths of lock bolt sleeve 6 can the large 2-10mm of width on Selection radio dead bolt 1 top.Dead bolt 1 can be made so more successfully to move up and down in the through hole of lock bolt sleeve 6, and be convenient to keep dead bolt 1 to be in plumbness.
Although embodiment of the present invention are open as above, but it is not restricted to listed in specification and execution mode utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (8)

1. a misoperation-proof mechanism for low pressure fixed switching cabinet, is characterized in that, comprising:
Snap close, it is provided with through hole, and is fixed on inside door board of switch cabinet;
Lock bolt sleeve, it is provided with through hole, and it is fixed on below snap close, and the through hole of described lock bolt sleeve and the through hole of snap close are on the same line;
Dead bolt, its top embeds in the through hole of lock bolt sleeve, and under isolating switch "on" position, the top of dead bolt also embeds in the through hole of snap close simultaneously, and the entire widths of snap close and lock bolt sleeve is greater than the width on dead bolt top;
Cam, under isolating switch "on" position, its underpart is circular, top is oval, oval outward flange is provided with guide rail, its underpart is fixedly connected with isolating switch rotating shaft, to be tied in cam top and dead bolt lower pin connect by described guide rail, and the dead bolt bottom pin connected and described isolating switch shaft parallel.
2. the misoperation-proof mechanism of low pressure fixed switching cabinet according to claim 1, is characterized in that, described snap close and door board of switch cabinet are fixed by screw, and cap nut is stayed outside door board of switch cabinet.
3. the misoperation-proof mechanism of low pressure fixed switching cabinet according to claim 1, is characterized in that, described cam bottom is fixedly connected with by screw with isolating switch rotating shaft.
4. the misoperation-proof mechanism of low pressure fixed switching cabinet according to claim 1, is characterized in that, the through hole length of described lock bolt sleeve is 10-35mm, the entire widths 2-10mm larger than the width on dead bolt top of described lock bolt sleeve.
5. the misoperation-proof mechanism of low pressure fixed switching cabinet according to claim 1, is characterized in that, described guide rail is cannelure, described annular groove bottom opening.
6. the misoperation-proof mechanism of low pressure fixed switching cabinet according to claim 5, it is characterized in that, the bottom of described dead bolt is inverted U opening, institute's cannelure embeds in the recess of described inverted U opening, the pin of described dead bolt bottom passes through the opening of described annular groove bottom, the bottom of described dead bolt is connected with cam, and the A/F of described annular groove bottom is greater than the diameter of dead bolt bottom pin.
7. the misoperation-proof mechanism of low pressure fixed switching cabinet according to claim 6, it is characterized in that, the upper end of described cam is provided with magnetic material, the recess of described inverted U opening is provided with the first proximity Hall switch transducer, isolating switch rotating shaft get to separating brake put in place state time, the major semiaxis extended line of described cam ellipse is provided with the second proximity Hall switch transducer, and the signaling module that described first proximity Hall switch transducer and display are closed a floodgate is electrically connected, described second proximity Hall switch transducer is electrically connected with the signaling module of display separating brake.
8. the misoperation-proof mechanism of low pressure fixed switching cabinet according to any one of claim 1 to 7, is characterized in that, described lock bolt sleeve is fixed on the mounting rail of isolating switch rotating mechanism.
CN201510460794.4A 2015-07-30 2015-07-30 The misoperation-proof mechanism of low pressure fixed switching cabinet Active CN105071238B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932588A (en) * 2016-06-29 2016-09-07 许继集团有限公司 Switch cabinet and multi-triggering interlocking device thereof
CN107869286A (en) * 2017-10-19 2018-04-03 安徽龙和电气科技有限公司 A kind of misoperation-proof mechanism of low pressure fixed switching cabinet
CN109243093A (en) * 2018-09-17 2019-01-18 虫极科技(北京)有限公司 A kind of Intelligent cargo cabinet and the method for controlling Intelligent cargo cabinet door lock state
CN110752567A (en) * 2019-10-29 2020-02-04 威腾电气集团股份有限公司 Jack box with triple interlocking function
CN111864552A (en) * 2020-07-03 2020-10-30 广东电网有限责任公司韶关供电局 Intelligent control device and system for ring main unit ground knife padlock and ground knife padlock device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111674A (en) * 1990-09-17 1992-05-12 Huang Ho Ton Safe locking mechanism
CN103247467A (en) * 2013-04-06 2013-08-14 广东南粤电气有限公司 Interlocking mechanism and interlocking control method for lower door of high-tension switch cabinet and earthing switch
CN204793678U (en) * 2015-07-30 2015-11-18 广西南宝特电气制造有限公司 Fixed cubical switchboard of low pressure prevent mistake operating device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5111674A (en) * 1990-09-17 1992-05-12 Huang Ho Ton Safe locking mechanism
CN103247467A (en) * 2013-04-06 2013-08-14 广东南粤电气有限公司 Interlocking mechanism and interlocking control method for lower door of high-tension switch cabinet and earthing switch
CN204793678U (en) * 2015-07-30 2015-11-18 广西南宝特电气制造有限公司 Fixed cubical switchboard of low pressure prevent mistake operating device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932588A (en) * 2016-06-29 2016-09-07 许继集团有限公司 Switch cabinet and multi-triggering interlocking device thereof
CN105932588B (en) * 2016-06-29 2018-01-09 许继集团有限公司 Switch cubicle and its trigger interlock more
CN107869286A (en) * 2017-10-19 2018-04-03 安徽龙和电气科技有限公司 A kind of misoperation-proof mechanism of low pressure fixed switching cabinet
CN109243093A (en) * 2018-09-17 2019-01-18 虫极科技(北京)有限公司 A kind of Intelligent cargo cabinet and the method for controlling Intelligent cargo cabinet door lock state
CN109243093B (en) * 2018-09-17 2024-01-30 虫极科技(北京)有限公司 Intelligent container and method for controlling state of door lock of intelligent container
CN110752567A (en) * 2019-10-29 2020-02-04 威腾电气集团股份有限公司 Jack box with triple interlocking function
CN110752567B (en) * 2019-10-29 2021-09-21 威腾电气集团股份有限公司 Jack box with triple interlocking function
CN111864552A (en) * 2020-07-03 2020-10-30 广东电网有限责任公司韶关供电局 Intelligent control device and system for ring main unit ground knife padlock and ground knife padlock device
CN111864552B (en) * 2020-07-03 2022-07-08 广东电网有限责任公司韶关供电局 Intelligent control device and system for ring main unit ground knife padlock and ground knife padlock device

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