CN202488017U - Mechanical interlocking device for outgoing line cabinet and transformer cabinet - Google Patents
Mechanical interlocking device for outgoing line cabinet and transformer cabinet Download PDFInfo
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- CN202488017U CN202488017U CN2012200428538U CN201220042853U CN202488017U CN 202488017 U CN202488017 U CN 202488017U CN 2012200428538 U CN2012200428538 U CN 2012200428538U CN 201220042853 U CN201220042853 U CN 201220042853U CN 202488017 U CN202488017 U CN 202488017U
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- cabinet
- key lock
- key
- lock
- outgoing line
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Abstract
The utility model discloses a mechanical interlocking device for an outgoing line cabinet and a transformer cabinet, and belongs to the technical field of electric switch cabinets. The mechanical interlocking device is characterized by comprising a first key lock, a first lock hole, a second key lock and a sliding plate device, the first key lock is arranged on a cabinet door of the transformer cabinet, the first lock hole is disposed on a door post of the transformer cabinet and matches with the first key lock, the second key lock is arranged on the outgoing line cabinet, the sliding plate device is arranged on the outgoing line cabinet, matches with a rotary shaft operating hole of the outgoing line cabinet, is positioned on the inner side of the outgoing line cabinet and consists of a sliding plate, a matching end is disposed on the sliding plate, a second lock hole matching with the second key lock is arranged at the matching end, and the first key lock and the second key lock share the same key and are separated from the key when a switch cabinet is locked or separated. The mechanical interlocking device has the advantage that the mechanical interlocking device can meet service requirements, including overhauling, in special places, so that safety is guaranteed.
Description
Technical field
The utility model belongs to the cabinet technical field, is specifically related to the mechanical interlocks of a kind of outlet cabinet and transformer case
Background technology
In actual power supply-distribution system, usually, transformer case and outlet cabinet are that high-voltage switch gear outlet cabinet is used
.High-voltage switch gear outlet cabinet comprises the cable vault and the breaker chamber that is used to install vacuum circuit-breaker that is used to install earthed switch; And transformer is installed in the transformer case, transformer case belongs to the next stage equipment of high-voltage switch gear outlet cabinet.
as the precautionary measures, need the high-voltage switch gear outlet cabinet open circuit as upper level equipment is caused damage to the person when preventing to overhaul transformer case when transformer case is overhauled.
The scheme of
above-mentioned precautionary measures is to adopt the electromagnetism interlocking; Be specially: on transformer case 2 cabinet doors 21, high-tension electricity magnetic padlock 9 is installed; On the door pillar 22 of transformer case 2, travel switch or sensitive switch are installed; Above-mentioned high-tension electricity magnetic padlock 9 is used to lock the cabinet door 21 of transformer case 2, and travel switch or sensitive switch are used for the open and-shut mode of the cabinet door 21 of transformer case 2 is exported with signal.Above-mentioned travel switch or sensitive switch are connected serially to the vacuum circuit-breaker trip(ping) circuit.Normally the normally closed contact with travel switch or sensitive switch inserts the vacuum circuit-breaker trip(ping) circuit; This moment is if open cabinet door 21; Then the normally closed contact of travel switch or sensitive switch becomes disconnection, and makes vacuum circuit-breaker trip(ping) circuit outage, vacuum circuit-breaker so separating brake.Simultaneously, the above-mentioned subsidiary loop of earthed switch of cable vault that is used to earthed switch is installed that is positioned at high-voltage switch gear outlet cabinet is connected with high-tension electricity magnetic padlock 9.Normally the auxiliary contact of often opening with earthed switch inserts high-tension electricity magnetic padlock 9 loops, can guarantee when earthed switch closes a floodgate high-tension electricity magnetic padlock 9 locking transformer case doors 21 like this.Otherwise, if behind the earthed switch separating brake, high-tension electricity magnetic padlock 9 release transformer case doors 21.
above-mentioned electromagnetism interlock method can guarantee the cabinet door 21 of transformer case 2 and the interlocking between the outlet cabinet.Guarantee to take precautions against the unnecessary damage to person risk of bringing because of maintenance transformer case 2.
There are following shortcoming in
but such scheme in the i.e. use in reality of practice: one of which; The situation that the frequent existence of auxiliary contact in the above-mentioned electromagnetism interlocking is not changed; This kind situation can be brought the inefficacy of high pressure electromagnetism interlocking 9; For example: when the auxiliary contact on the earthed switch damaged, auxiliary contact can not changed although the earthed switch of upper level outlet cabinet closes a floodgate, thereby can't open the cabinet door 21 of transformer case 2; Can only dispose with the mode of manual unlocking high-tension electricity magnetic padlock 9, therefore bother very much; They are two years old; When transformer case 2 maintenance or because of the people, opening the cabinet door 21 of transformer case 2 for misoperation; If not with higher level's breaker open operation; Directly open Door by Hand, though can be not allow to realize in some occasions through travel switch with the tripping operation of higher level's vacuum circuit-breaker after opening the door through above-mentioned protective condition with high-tension electricity magnetic padlock key.In other words, even open by mistake door exactly, can not be with higher level's breaker open operation.
In view of above-mentioned prior art, be necessary to improve, for this reason, the applicant has done useful design, and the technical scheme that will introduce below produces under this background
Summary of the invention
The task of
the utility model is to provide a kind of and helps the operating procedure that standard must follow with the mechanical interlocking mode and use the instructions for use of satisfying special occasions and guarantee the safe outlet cabinet and the mechanical interlocks of transformer case.
The task of
the utility model is accomplished like this; The mechanical interlocks of a kind of outlet cabinet and transformer case; It is characterized in that: comprise first key lock on the cabinet door that is located at transformer case, be located at first lockhole that cooperates with described first key lock on the door pillar of transformer case; Also comprise and be located at outlet second key lock cashier's office in a shop; Be located at the skate apparatus that outlet matches with the rotating shaft handle hole of outlet cabinet and is positioned at outlet cabinet inboard cashier's office in a shop; This skate apparatus comprises sliding panel; Sliding panel is provided with abutting end, and abutting end is provided with second lockhole that matches with said second key lock; Shared same the key of first key lock and second key lock, first, second key lock separates with described key when switch cubicle is in locking or released state.
The technical scheme that
the utility model provides has been owing to adopted said structure, therefore can satisfy special occasions during like maintenance use and use and guarantee safety.
Description of drawings
The sketch map that
Fig. 1 matches with the cabinet door for high-tension electricity magnetic padlock on the transformer case in the prior art.
The sketch map of
Fig. 2 the utility model.
The sketch map of
Fig. 3 the utility model first key lock.
The sketch map of
Fig. 4 the utility model second key lock.
Embodiment
see also Fig. 2, Fig. 3 and Fig. 4, in the actual power system, are that outlet cabinet 1 (Fig. 3 shows) is used with transformer case 2 (Fig. 4 shows) with high-voltage switch gear outlet cabinet usually.Outlet cabinet 1 has the cable vault and the breaker chamber that vacuum circuit-breaker is installed that is used to install earthed switch, and transformer is installed in the transformer case 2.Transformer case 2 is provided with cabinet door 21 and door pillar 22, and first key lock 211 is installed on the cabinet door 21, and corresponding ground offers first lockhole 221 on door pillar 22.First key lock 211 matches with first lockhole 221, when promptly cabinet door 21 is closed, if after the lock core of first key lock 211 stretches out entering first lockhole 221, can lock cabinet door 21.
Offer rotating shaft handle hole 12 on
outlet cabinet 1, rotating shaft handle hole 12 is exposed to the operator, and the operator operates the branch that closes of the earthed switch that is positioned at the cable vault through rotating shaft handle hole 12.Cooperate and be positioned at outlet cabinet 1 inboard with rotating shaft handle hole 12 to be provided with skate apparatus 13, skate apparatus 13 comprises guide vane end stop 131 and sliding panel 132, and guide vane end stop 131 is fixed on the outlet cabinet 1, is specially on the outside cabinet of the breaker chamber that is fixed on outlet cabinet 1.And sliding panel 132 matches with guide vane end stop 131, and the above-below direction that limits at guide vane end stop 131 slides, and has the handle that stretches out on the sliding panel 132, and this handle passes rotating shaft handle hole 12, is exposed to outlet cabinet 1 outside, is convenient to operator's operation (Fig. 2 shows).Skate apparatus 13 is positioned at breaker chamber one side, and breaker chamber middle part then need be used for holding circuit breaker.At outlet cabinet 1 middle part the cabinet plate is installed, the position of cabinet plate is corresponding with skate apparatus 13, and is promptly corresponding with skate apparatus 13 on short transverse.Cabinet plate installed inside has second key lock 11 (Fig. 3 shows).And on the side of sliding panel 132, being provided with abutting end 1321 near the cabinet plate, described abutting end 1321 both can constitute one with sliding panel 132, also can be to fix through other modes and sliding panel 132.On abutting end 1321, be provided with second lockhole 13211, like this when sliding panel 132 slides up and down assigned address, can insert second lockhole 13211 through the lock core of second key lock 11 after, locking sliding panel 132 (Fig. 3 shows).
are at first key lock 211 and the second key lock 11 shared keys that cooperate place adopt of above-mentioned two different key locks with keyhole; And the first above-mentioned key lock 211 and second key lock 11 have only when switch cubicle and are in locking or released state; Be that lock core stretches out and puts in place or indentation could separate with the key that is cooperated when putting in place; And when not putting in place, can not extract key.
After adopting above-mentioned first key lock 211 and second key lock 11, can the mechanical interlocking protection be provided in the interlocking process of outlet cabinet 1 and transformer case 2, its process is following:
when the transformer room need overhaul, the first step, the vacuum circuit-breaker in separating brake outlet cabinet 1 breaker chamber, and vacuum circuit-breaker is drawn out to the isolated location.
After aforesaid operations is accomplished in
, in second step, spur the handle that stretches out rotating shaft handle hole 12 on the sliding panel 132; With sliding panel 132 drag down; After sliding panel 132 put in place downwards, sliding panel 132 drove pull bar 15, and pull bar 15 drives connecting lever 14 rotations; Connecting lever 14 drives interlocking shaft 16 and rotates; Interlocking shaft 16 overcomes return torsion spring 17 with card base 18 perks, can on the sliding rail of vacuum circuit-breaker, hinder vacuum circuit-breaker after card base 18 perks and move inwardly to link position from the isolated location, and this kind mode has realized the function of locking vacuum circuit-breaker in the isolated location.Extract key after key is inserted second key lock 211 and locks sliding panel 132 this moment, can guarantee the blocking of vacuum circuit-breaker reliably.
After aforesaid operations is accomplished in
, the 3rd step, can the indoor earthed switch separating brake of actuating cable through rotating shaft handle hole 12.
After aforesaid operations was accomplished in
, in the 4th step, the operator inserted first key lock 211 with key, release first key lock 211, thus can overhaul transformer case 2 inside.
after accomplishing maintenance, contrary operation the above-mentioned the 4th can recover the operating state of switch cubicle to the first step.
owing to adopted the key lock of a pair of shared same key, and lock sliding panel 132 and transformer case door 21 respectively in said process.At first, second key lock 11 is locking sliding panel 132 effectively, thereby effectively the locking vacuum circuit-breaker is in the isolated location; Secondly, first key lock 211 is locking transformer case cabinet door 21 effectively, and key is generally the operator and holds, and other staff can't open transformer room's cabinet door 21, the potential safety hazard of avoiding violation operation to bring; At last, adopt above-mentioned a pair of key lock, after the operator was for the completion previous action, therefore the step that can't get into the next stage, can reliably guarantee the step property that the operator operates.
It is thus clear that, adopt the mechanical interlocking mode of this kind key lock, can adapt to the special occasions described in the background technology, adapt to actual needs
Claims (1)
1.
The mechanical interlocks of a kind of outlet cabinet and transformer case; It is characterized in that: comprise first key lock (211) on the cabinet door (21) that is located at transformer case (2), be located at first lockhole (221) that cooperates with described first key lock (211) on the door pillar (22) of transformer case (2); Also comprise second key lock (11) that is located on the outlet cabinet (1); Be located at the skate apparatus (13) that outlet cabinet (1) upward matches with the rotating shaft handle hole (12) of outlet cabinet (1) and is positioned at outlet cabinet (1) inboard; This skate apparatus (13) comprises sliding panel (132); Sliding panel (132) is provided with abutting end (1321), and abutting end (1321) is provided with second lockhole (13211) that matches with said second key lock (11); Shared same the key of first key lock (211) and second key lock (11), first, second key lock (211,11) separates with described key when switch cubicle is in locking or released state
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200428538U CN202488017U (en) | 2012-02-10 | 2012-02-10 | Mechanical interlocking device for outgoing line cabinet and transformer cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200428538U CN202488017U (en) | 2012-02-10 | 2012-02-10 | Mechanical interlocking device for outgoing line cabinet and transformer cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202488017U true CN202488017U (en) | 2012-10-10 |
Family
ID=46962408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200428538U Expired - Lifetime CN202488017U (en) | 2012-02-10 | 2012-02-10 | Mechanical interlocking device for outgoing line cabinet and transformer cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202488017U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366986A (en) * | 2013-07-27 | 2013-10-23 | 广西银河迪康电气有限公司 | Mechanical interlocking operation device for cable branch box |
| CN104576120A (en) * | 2014-12-31 | 2015-04-29 | 上海凯研机械设备有限公司 | Mechanical key unlocking system |
| CN110706968A (en) * | 2019-09-30 | 2020-01-17 | 广东韶钢松山股份有限公司 | Safe operating system and using method |
| CN115377851A (en) * | 2022-08-26 | 2022-11-22 | 华能陇东能源有限责任公司 | Equipment maintenance mistake-preventing structure |
-
2012
- 2012-02-10 CN CN2012200428538U patent/CN202488017U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103366986A (en) * | 2013-07-27 | 2013-10-23 | 广西银河迪康电气有限公司 | Mechanical interlocking operation device for cable branch box |
| CN103366986B (en) * | 2013-07-27 | 2015-09-02 | 广西银河迪康电气有限公司 | Cable branch box mechanical interlocking operating means |
| CN104576120A (en) * | 2014-12-31 | 2015-04-29 | 上海凯研机械设备有限公司 | Mechanical key unlocking system |
| CN110706968A (en) * | 2019-09-30 | 2020-01-17 | 广东韶钢松山股份有限公司 | Safe operating system and using method |
| CN115377851A (en) * | 2022-08-26 | 2022-11-22 | 华能陇东能源有限责任公司 | Equipment maintenance mistake-preventing structure |
| CN115377851B (en) * | 2022-08-26 | 2024-04-05 | 华能陇东能源有限责任公司 | Error-proof structure for equipment overhaul and maintenance |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |