CN103944093B - The mechanical interlocking of metering cabinet and PT cabinet, always cabinet - Google Patents
The mechanical interlocking of metering cabinet and PT cabinet, always cabinet Download PDFInfo
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- CN103944093B CN103944093B CN201410129547.1A CN201410129547A CN103944093B CN 103944093 B CN103944093 B CN 103944093B CN 201410129547 A CN201410129547 A CN 201410129547A CN 103944093 B CN103944093 B CN 103944093B
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Abstract
The invention discloses the mechanical interlocking of a kind of metering cabinet and PT cabinet, always cabinet, described total cabinet and PT cabinet are electrically connected, described PT cabinet is electrically connected with the metering cabinet with metering handcart, described metering cabinet includes a railing lock, it is horizontal in the orbital injection of metering handcart that the control railing adjustable point that described railing is locked rotates; Arbitrary cabinet of described total cabinet, PT cabinet or metering cabinet is provided with a key expansion box, and described key expansion box comprises startup lock, the first door lock, the second door lock and the 3rd door lock, and described startup lock mates with railing is phase-locked, shares one master key; Described first door lock and metering cabinet door lock match, and share the first key; Described second door lock and PT cabinet door lock match, and share the second key; Described 3rd door lock and total cabinet door lock match, and share the 3rd key.By the way, the present invention can improve function of safety protection, makes the operations such as the debugging of circuit in cabinet, maintenance more simple, safe and reliable simultaneously.
Description
Technical field
The present invention relates to electric switch equipment field, particularly relate to the mechanical interlocking of a kind of metering cabinet and PT cabinet, always cabinet.
Background technology
Metering handcart is total cut-off point of power supply and PT cabinet and total input-wire cabinet (total cabinet).When metering handcart puts service position, there is high pressure in the rear Xiamen of PT cabinet and total input-wire cabinet (total cabinet), now can not open rear Xiamen; Only in metering handcart pull-out, disconnect high pressure total input-wire passage, now just can open this cabinet (metering cabinet), PT cabinet and total input-wire cabinet (total cabinet) and carry out other operations in Xiamen afterwards.When opening for preventing this cabinet (metering cabinet), PT cabinet and total input-wire cabinet (total cabinet) door, metering handcart being pushed by mistake, connecting total input-wire loop and causing personnel casualty accidents.Must this cabinet (metering cabinet), PT cabinet and total input-wire cabinet (total cabinet) afterwards lower cabinet door all shut and just can push metering handcart afterwards.Namely metering handcart must be interlocked with this cabinet (metering cabinet), PT cabinet and total input-wire cabinet (total cabinet) door.
Current employing be all electrical interlock: rear Xiamen dress electromagnetic lock, with the locking type electrification display be contained on instrument door, controlling electromagnetic lock has high pressure akinesia; When not having a high pressure under low tension (power supply of civil power or direct current cabinet) effect, electromagnetic lock action can be made.Achieve after door shuts, in cabinet, have high-tension electricity to be forbidden the security protection object of opening the door; When door is opened, definitely metering handcart can not be pushed and make to be with high-tension electricity in other cabinets.The rear Xiamen needing protection is installed travel switch to connect with the electromagnet be contained on metering handcart track UNICOM, the electromagnetic actuation after door Close All on metering handcart track, electromagnet armature retraction, metering handcart can be pushed in cabinet.When metering handcart working position, the electromagnet live line work all always on 3 locking type electrification displays and metering handcart track.Certainly low tension (power supply of civil power or direct current cabinet) must be had to power.Electrical interlock accounts for 1/4 amount in electrical schematic diagram, adds complexity.Make interpreting blueprints, wiring, debugging, maintenance brings unnecessary difficulty.
Summary of the invention
The technical problem that the present invention mainly solves is: for the deficiencies in the prior art, the mechanical interlocking of a kind of metering cabinet and PT cabinet, always cabinet is provided, can function of safety protection be improved, make the operations such as the debugging of circuit in cabinet, maintenance more simple, safe and reliable simultaneously.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: the mechanical interlocking providing a kind of metering cabinet and PT cabinet, always cabinet, described total cabinet and described PT cabinet are electrically connected, described PT cabinet is electrically connected with the described metering cabinet with metering handcart, described metering cabinet includes a railing lock, it is horizontal in the orbital injection of described metering handcart that the control railing adjustable point that described railing is locked rotates; Arbitrary cabinet of described total cabinet, PT cabinet or metering cabinet is provided with a key expansion box, and described key expansion box comprises startup lock, the first door lock, the second door lock and the 3rd door lock, and described startup lock mates with described railing is phase-locked, shares one master key; Described first door lock and metering cabinet door lock match, and share the first key; Described second door lock and PT cabinet door lock match, and share the second key; Described 3rd door lock and total cabinet door lock match, and share the 3rd key.
In a preferred embodiment of the present invention, described first door lock, the second door lock and the 3rd door lock are arranged point-blank, and the dead bolt of described first door lock, the second door lock and the 3rd door lock and the described dead bolt centre of locking that starts arrange a slide plate, described slide plate promotes the described dead bolt starting lock to reset by the dead bolt of described first door lock, the second door lock and the 3rd door lock jointly.
In a preferred embodiment of the present invention, the coasting distance of described slide plate is less than or equal to the extension elongation of dead bolt of described startup lock, the first door lock, the second door lock and the 3rd door lock.
The invention has the beneficial effects as follows: the present invention, by lock with the startup on key expansion box adopt the same key being with memory function by metering cabinet limiting railing lock that metering handcart pushes, improves function of safety protection; And the program of mechanical interlocking is simple, interlocking is reliable, makes the operations such as the debugging of circuit in cabinet, maintenance more simple, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of metering cabinet of the present invention and PT cabinet, the always mechanical interlocking of cabinet;
Fig. 2 is the scheme of installation of the lock of railing shown in Fig. 1;
Fig. 3 is the internal structure schematic diagram of the expansion box of key shown in Fig. 1;
In accompanying drawing, the mark of each parts is as follows: 1, total cabinet, 11, total cabinet door lock, 2, PT cabinet, 21, PT cabinet door lock, 3, metering cabinet, 31, metering cabinet door lock, 32, railing is locked, 33, master key, 34, control railing, 35, the orbital injection of metering handcart, 4, key expansion box, 411, first door lock, 412, first key, 413, the dead bolt of the first door lock, 421, second door lock, 422, second key, 423, the dead bolt of the second door lock, 431, 3rd door lock, 432, 3rd key, 433, the dead bolt of the 3rd door lock, 51, start lock, 53, start the dead bolt of lock, 6, slide plate.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1-Fig. 3, the embodiment of the present invention comprises:
A mechanical interlocking for metering cabinet and PT cabinet, always cabinet, described total cabinet 1 is electrically connected with described PT cabinet 2, and described PT cabinet 2 is electrically connected with the described metering cabinet 3 with metering handcart; Described metering cabinet 3 includes a railing lock 32, the horizontal in the orbital injection 35 of described metering handcart of the control railing 34 adjustable point rotation of 32 locked by described railing, as shown in Figure 2, control the closed of described control railing 34 by locking 32 master keys matched 33 with described railing and open; Arbitrary cabinet of described total cabinet 1, PT cabinet 2 or metering cabinet 3 is provided with a key expansion box 4, described key expansion box 4 comprises startup lock 51, first door lock 411, second door lock 421 and the 3rd door lock 431, described startup lock 51 is locked 32 with described railing and is matched, and shares one master key 33; Described first door lock 411, second door lock 421 and the 3rd door lock 431 match with the door lock (31,21,11) on described metering cabinet 3, PT cabinet 2 and total cabinet 1 respectively, in the present embodiment, first door lock 411 matches with metering cabinet door lock 31, shares the first key 412; Second door lock 421 matches with PT cabinet door lock 21, shares the second key 422; 3rd door lock 431 matches with total cabinet door lock 11, shares the 3rd key 432.
As shown in Figure 3, described first door lock 411, second door lock 421 and the 3rd door lock 431 arrange point-blank, and the dead bolt (413,423,433) of described first door lock 411, second door lock 421 and the 3rd door lock 431 arranges a slide plate 6 with described startup in the middle of the dead bolt 53 lock, the dead bolt 53 that described slide plate 6 is promoted described startup is locked jointly by the dead bolt (413,423,433) of described first door lock 411, second door lock 421 and the 3rd door lock 431 resets.
The coasting distance of described slide plate 6 is less than or equal to the extension elongation of the dead bolt (53,413,423,433) of described startup lock 51, first door lock 411, second door lock 421 and the 3rd door lock 431.
Operation principle: left rotary insertion railing lock 32 in master key 33, make control railing 34 by railing lock 32 centered by anticlockwise to east-west transverse position, block pushing of metering handcart; Then master key 33 can be extracted, master key 33 is inserted in the startup lock 51 of key expansion box 4, lock 51 is started to right rotation, the dead bolt 53 that startup is locked promotes slide plate 6 to the right and slides, simultaneously slide plate 6 can promote the dead bolt (413,423,433) opening the first door lock 411, second door lock 421 and the 3rd door lock 431, and making to be inserted in the second key 422 on the first key 412, second door lock 421 on the first door lock 411 and the 3rd key 432 on the 3rd door lock 431 can extract to anticlockwise; Now, the first key 412 can be used to go to open metering cabinet door lock 31, use the second key 422 to go to open PT cabinet door lock 21, use the 3rd key 432 to go to open total cabinet door lock 11, metering cabinet 3, PT cabinet 2 and total cabinet 1 be debugged and the work such as maintenance.
After complete operation, the first key 412, second key 422 be inserted in respectively on metering cabinet door lock 31, PT cabinet door lock 21 and total cabinet door lock 11 and the 3rd key 432 are locked and extract, turn back on the first door lock 411, second door lock 421 on key expansion box 4 and the 3rd door lock 431, simultaneously to right rotation, make the dead bolt 433 of the dead bolt 423 of dead bolt 413, second door lock of the first door lock and the 3rd door lock to anticlockwise and promote slide plate 6 to be moved to the left, make to be inserted in and start master key 33 on lock 51 and can extract to anticlockwise; Then master key 33 is turned back in railing lock 32, to right rotation railing lock, make control railing 34 spinning reduction, at this moment can push metering handcart.
The present invention adopts two to lock the principle sharing a key, and the door lock devising band memory function replaces electromagnetic lock; Stop that metering handcart does not allow " the railing lock " that push in and key expansion box coordinate function of safety protection.Door lock with memory function is: only have pass could lock a door left-handed for key and extract key behind the door; After opening the door, key just can not be extracted; And need, after the cabinet door of metering cabinet, PT cabinet and total cabinet all pins, after the door keys namely on key expansion box all playbacks, the key locked (the startup lock key on key expansion box) to be extracted, make security performance higher for railing.
Correspondingly on " key expansion box " upper and door lock write explanation: other one position that correspondence is locked of key using method and shared key.
Whole program is short and sweet, processing ease, interlocks very reliable." key expansion box " can be contained in the empty place of any cabinet, as long as show its position with railing lock place on door lock.
Present invention is disclosed the mechanical interlocking of a kind of metering cabinet and PT cabinet, total cabinet, by lock with the startup on key expansion box adopt the same key being with memory function by metering cabinet limiting railing lock that metering handcart pushes, improve function of safety protection; And the program of mechanical interlocking is simple, interlocking is reliable, makes the operations such as the debugging of circuit in cabinet, maintenance more simple, safe and reliable.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. the mechanical interlocking of a metering cabinet and PT cabinet, always cabinet, described total cabinet and described PT cabinet are electrically connected, described PT cabinet is electrically connected with the described metering cabinet with metering handcart, it is characterized in that, described metering cabinet includes a railing lock, it is horizontal in the orbital injection of described metering handcart that the control railing adjustable point that described railing is locked rotates; Arbitrary cabinet of described total cabinet, PT cabinet or metering cabinet is provided with a key expansion box, and described key expansion box comprises startup lock, the first door lock, the second door lock and the 3rd door lock, and described startup lock mates with described railing is phase-locked, shares one master key; Described first door lock and metering cabinet door lock match, and share the first key; Described second door lock and PT cabinet door lock match, and share the second key; Described 3rd door lock and total cabinet door lock match, and share the 3rd key; Dead bolt and the described dead bolt centre of locking that starts of described first door lock, the second door lock and the 3rd door lock arrange a slide plate, and described slide plate promotes the described dead bolt starting lock to reset by the dead bolt of described first door lock, the second door lock and the 3rd door lock jointly; Left rotary insertion railing lock in master key, make control railing by railing lock centered by anticlockwise to east-west transverse position, block pushing of metering handcart; Then master key can be extracted, master key is inserted in the startup lock of key expansion box, lock is started to right rotation, the dead bolt that startup is locked promotes slide plate to the right and slides, simultaneously slide plate can promote the dead bolt opening the first door lock, the second door lock and the 3rd door lock, and making to be inserted in the 3rd key on the first key on the first door lock, the second key on the second door lock and the 3rd door lock can extract to anticlockwise; Now, the first key can be used to go to open metering cabinet door lock, use the second key to go to open PT cabinet door lock, use the 3rd key to go to open total cabinet door lock, metering cabinet, PT cabinet and total cabinet be debugged and the work such as maintenance.
2. the mechanical interlocking of metering cabinet according to claim 1 and PT cabinet, always cabinet, is characterized in that, described first door lock, the second door lock and the 3rd door lock are arranged point-blank.
3. the mechanical interlocking of metering cabinet according to claim 2 and PT cabinet, total cabinet, is characterized in that, the coasting distance of described slide plate is less than or equal to the extension elongation of dead bolt of described startup lock, the first door lock, the second door lock and the 3rd door lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129547.1A CN103944093B (en) | 2014-04-02 | 2014-04-02 | The mechanical interlocking of metering cabinet and PT cabinet, always cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410129547.1A CN103944093B (en) | 2014-04-02 | 2014-04-02 | The mechanical interlocking of metering cabinet and PT cabinet, always cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103944093A CN103944093A (en) | 2014-07-23 |
| CN103944093B true CN103944093B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410129547.1A Active CN103944093B (en) | 2014-04-02 | 2014-04-02 | The mechanical interlocking of metering cabinet and PT cabinet, always cabinet |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202467384U (en) * | 2011-12-07 | 2012-10-03 | 青岛众音科技发展有限公司 | A double-insurance box/case lock |
| CN103132810A (en) * | 2011-11-29 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Interlocking protection device and method and converter cabinet |
| CN103603553A (en) * | 2013-10-22 | 2014-02-26 | 北京赛德高科铁道电气科技有限责任公司 | Key box for electric locomotive or bullet train |
| CN203504040U (en) * | 2013-09-30 | 2014-03-26 | 成都通力集团股份有限公司 | Anti-misoperation device of high voltage switch cabinet |
| CN203883350U (en) * | 2014-04-02 | 2014-10-15 | 常熟永明电气有限公司 | Metering cabinet, PT cabinet and general cabinet mechanical interlocking mechanism |
-
2014
- 2014-04-02 CN CN201410129547.1A patent/CN103944093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103132810A (en) * | 2011-11-29 | 2013-06-05 | 永济新时速电机电器有限责任公司 | Interlocking protection device and method and converter cabinet |
| CN202467384U (en) * | 2011-12-07 | 2012-10-03 | 青岛众音科技发展有限公司 | A double-insurance box/case lock |
| CN203504040U (en) * | 2013-09-30 | 2014-03-26 | 成都通力集团股份有限公司 | Anti-misoperation device of high voltage switch cabinet |
| CN103603553A (en) * | 2013-10-22 | 2014-02-26 | 北京赛德高科铁道电气科技有限责任公司 | Key box for electric locomotive or bullet train |
| CN203883350U (en) * | 2014-04-02 | 2014-10-15 | 常熟永明电气有限公司 | Metering cabinet, PT cabinet and general cabinet mechanical interlocking mechanism |
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| Publication number | Publication date |
|---|---|
| CN103944093A (en) | 2014-07-23 |
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