CN2083796U - Mechanical locking device protecting mistake enter charged chamber - Google Patents
Mechanical locking device protecting mistake enter charged chamber Download PDFInfo
- Publication number
- CN2083796U CN2083796U CN 90219346 CN90219346U CN2083796U CN 2083796 U CN2083796 U CN 2083796U CN 90219346 CN90219346 CN 90219346 CN 90219346 U CN90219346 U CN 90219346U CN 2083796 U CN2083796 U CN 2083796U
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- door
- keeper
- hurdle
- locking device
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Abstract
The utility model discloses a mechanical locking device protecting mistake enter charged chamber which is used for the prevention of the misoperation of electrical equipment. The utility model is suitable for a GG-1A type high voltage switch cabinet. Three kinds of locking links are composed of a door lock assembly, a bolt assembly, a transmission rod, a block, a hook and a tension spring. The inside of the cabinet body has no electricity, and the back door of the high voltage switch cabinet can be opened after the front door being opened. In reverse, the front door can be closed to proceed the feeding operation only after the back door being locked well. The utility model has the advantages of simple structure, safe action and no adding the action of auxiliary operation, and namely, operation following the normal operation order. The utility model has the perfect function of preventing the mistake enter charged chamber.
Description
The utility model is to be used to prevent the electric equipment misoperation, is applicable to that GG-1A type high-tension switch cabinet prevents mistakenly entering charged chamber mechanical type locking device.
In electric power system, owing to the anti-error measure imperfection of power distribution equipment, the accident of misoperation and mistakenly entering charged chamber usually takes place, cause loss of life or personal injury and device damage, directly threaten the safe operation of electric power system, and cause very big loss for country and user.For this reason, send out one of power supply department emphasis anti-accident measures preventing that misoperation and mistakenly entering charged chamber from classifying as.At present, particularly in the transformer station newly-built and the reconstruction the GG-1A high-tension switch cabinet, in preventing the mistakenly entering charged chamber measure, the employing high-wall is installed, convenient for maintenance and outlet, in installation process, installed back screening hurdle additional with single fan folded net door or bivalve door, but the closing of screening hurdle, back, generally only adopt padlock, can not realize forward and reverse locking requirement.
For preventing the mistakenly entering charged chamber operation, the purpose of this utility model is to utilize the mechanical type locking device, installing transmission rod-type mechanical mechanism on the High Voltage Switchgear door, can realize having only not having electricity in the high-tension switch cabinet cabinet, after open at the Qianmen, just can open the back door, conversely, only having a back door connection to close locks, and just can close the Qianmen and send the electricity operation, and claimed structure is simple, reliable in action, do not increase the auxiliary operation action, can carry out, finish the requirement of locking with the normal running order.
For achieving the above object, the technical solution of the utility model is as follows, and is described in conjunction with the accompanying drawings.
Fig. 1: the preceding pocket door blocking mechanism work schematic diagram of going up.
A, preceding locking of going up between pocket door and the isolating switch: switch is locked a door.
B, preceding going up between pocket door and the isolating switch are in released state.
C, preceding when going up pocket door and opening, arc is clinged to, and can not close a floodgate and send.
Fig. 2: the preceding blocking mechanism of going up between pocket door and the following pocket door.
Fig. 3: the back hides the board plug type keeper blocking mechanism of hurdle list fan folding door.
Fig. 4: the long keeper blocking mechanism that the back hides the hurdle when being biparting net door.
Fig. 5: the back hides hurdle blocking mechanism drive link structural representation.
A, back door are closed, and the Qianmen shuts state.
Open at b, back door, can not close to close the Qianmen schematic diagram.
Fig. 6: the back hides hurdle list fan folding door detent mechanism schematic diagram.
Fig. 7: the back hides a biparting net door left side, the hurdle anti-mechanism of being left unlocked or unlatched of net door.
Among the figure: be with inclined segment on 1 control crank, 2 locking bars, 3 locking bar covers, 4 lock pins, 5 dead bolts, 6 extension springs, go up pocket door before 7,8 baffle plates, pocket door under before 9,10 drive links, 11 sideboards, 12 keeper seats, 13 backs hide hurdle net door, 14, keeper, 15 springs, 16 baffle plates, 17 presser feets, 18 backs hide a bivalve door left side, hurdle net door, 19 bearings, 20 drive link blocks, 21 stage clips, 22 extension springs, 23 backs hide hurdle list fan folding door location hook seat, 24 location hooks, 25 single fan folding doors, the anti-tip-lever support of being left unlocked or unlatched of 26 bivalve doors, 27 stage clips, 28 push rods.
High-tension switch cabinet prevents the mechanical type blocking device of mistakenly entering charged chamber, be the detent mechanism that door lock assembly, keeper assembly, extension spring, block, drive link, hook on single fan folding door or the bivalve door forms three kinds of blocking mechanisms and rear cover bar single fan folding door or bivalve door by being installed in the front upper pocket door of switch cubicle, front lower pocket door, rear cover bar door and rear cover bar, be respectively front upper pocket door blocking mechanism, front upper lower pocket door locking interlocking mechanism, rear cover bar net door blocking mechanism and rear cover bar single fan folding door detent mechanism and the rear cover bar anti-mechanism of being left unlocked or unlatched during for bivalve door. Structure and the characteristics of each mechanism are described respectively below:
Front upper interval blocking mechanism: formed by door lock assembly, as shown in Figure 1, comprise and the joining band inclined segment of isolator operating mechanism, one end of locking bar contacts with arc, under the promotion of arc, can move axially, locking bar is move left and right in axle sleeve, and lock pin and extension spring are housed on the locking bar. Dead bolt with torsion spring is installed on the upper pocket door, dead bolt and lock pin interlocking, and the breach that lock Xiao enters on the dead bolt can tangle dead bolt, and extension spring can promote lock shaft and move to left. Fig. 1 a, b, three figures of c have represented respectively three motion states of front upper pocket door blocking mechanism.
Fig. 1 a: preceding locking, the switch of going up between pocket door and the isolating switch locked a door.When the isolated operation switch closure, its switching mechanism interlock arc promotes locking bar and moves to right, and the lock pin on the locking bar enters the breach on the dead bolt, and door is lockable.
Fig. 1 b: preceding going up between pocket door and the isolating switch is in released state.When isolating switch was opened, the skew of mechanism interlock arc, extension spring promoted locking bar and move to left, and lock pin is thrown off the dead bolt breach, and the dead bolt on the door blocks locking bar to be continued to move to left, this moment switch with each is irrelevant, be in released state.
Fig. 1 c: when preceding last pocket door was opened, arc was held up to close a floodgate and is sent.Under released state, as open door, dead bolt withdraws from, and locking bar continues to move to left under the effect of extension spring, has blocked the route of retreat of arc, and arc can not reverse, and console switch mechanism can not operate, and has just pinned console switch after opening the door like this.
Before the interlocking device of partition door locking between the upper and lower, by before being fixed on down at interval the baffle plate on the doorframe forms, go up the pocket door lower inside before the baffle plate other end is positioned at, match with the preceding interval doorframe groove of going up, as shown in Figure 2.Before partition door interlocking between the upper and lower: the preceding pocket door pocket door down through baffle plate is pushed down before of going up, guaranteed to have only and gone up pocket door before opening earlier, before just opening under pocket door.Conversely, have only to shut preceding pocket door down earlier, could close and close the preceding pocket door of going up.
Blocking mechanism such as Fig. 3, shown in Figure 5 were made up of keeper assembly and drive link, stage clip when screening hurdle, back was list fan folded net door.The keeper assembly comprises keeper seat with holes, board plug type keeper with holes and be installed in sideboard on the keeper seat.When the back door was closed, keeper inserted the keeper seat, simultaneously sideboard is pushed away an angle, and drive link one end runs through the hole on keeper seat and the keeper, sealed keeper assembly, the other end be fixed on before baffle plate on time pocket door contact, stage clip is housed on the drive link.Current pocket door is down opened, and drive link is opened direction with preceding pocket door down and moved under the effect of stage clip, withdraws from the keeper component holes, keeper can withdraw from, and the back door can be opened, and sideboard resets thereupon simultaneously, hole on the keeper seat is blocked, stoped drive link after move, the Qianmen can not be closed to close and be sent.
Blocking mechanism such as Fig. 4, shown in Figure 5 when the back hides the hurdle bivalve door, Fig. 4 is for shutting the back door, the front view of keeper locking position and end view.Blocking mechanism is made up of keeper assembly and drive link, the keeper assembly comprises keeper seat with holes and long keeper with holes, Mechanically programm's lock is housed, promptly by bearing on the keeper seat, baffle plate, spring, presser feet is formed, when current back door is closed, the long keeper that is installed in biparting net door left-hand door is depressed baffle plate, enters the keeper seat, and presser feet is spacing, drive link runs through the keeper component holes simultaneously, the back door is closed, and after opened at the Qianmen, drive link moved with the Qianmen direction under the effect of stage clip, withdraw from through hole, just can open long keeper, and then open back net door, simultaneously, baffle plate is under the active force of spring, blocked the hole on the keeper seat, moved after placing restrictions on drive link, the Qianmen can not be closed and be closed.
When screening hurdle, back is list fan folded net door, when closure, must close ability closing back door blocking mechanism with closing in the middle of the folding door, installing interfix mechanism on single fan folding door, as shown in Figure 6, by the hook seat that is installed on the doorframe of back, hook on the back door and extension spring are formed.When closing the back and hide hurdle list fan folding door, earlier the hook on the door is advanced push down the hook seat after, the back hide the hurdle could insert keeper and prevent after the front and back of screening hurdle net door rock.
When after to hide the hurdle be bivalve door, when adopting Mechanically programm's lock to carry out locking, as shown in Figure 4.The normal phenomenon of being left unlocked or unlatched that left-hand door takes place for this reason, needs to install on the left-hand door frame and prevents being left unlocked or unlatched mechanism, as shown in Figure 7.Prevent that being left unlocked or unlatched mechanism is made up of push rod, tip-lever support, stage clip, the overhanging end of push rod contacts with back net door, another disconnected being installed in the tip-lever support of being with stage clip.When closing the back and hide the hurdle left-hand door, push rod snaps in the seat, as when being left unlocked or unlatched phenomenon, is promptly strutted automatically by spring, and the back door can not be closed and be closed.
Power failure operating process of the present utility model is as follows: after circuit breaker cut-off, with the outage of leaving behind of isolating switch control crank, the preceding pocket door of going up can be opened, and preceding pocket door down also can be opened thereupon.After pocket door was opened under current, drive link was along with withdrawing from the keeper hole, and the back hides the hurdle keeper and withdraws from the keeper seat, and the back hides the hurdle and can open, and can overhaul element in the cabinet or circuit.During the closing operation process: close earlier and afterwards hide hurdle univalve door or biparting net door, keeper is inserted the keeper seat, can close and close preceding Xiamen, lock the back automatically and hide hurdle net door, after preceding upward pocket door closed and closes, dead bolt was held locking bar and is moved to right the operating mechanism release.After isolating switch closed a floodgate, the Qianmen was promptly pinned automatically, can not open.
Advantage of the present utility model: simple in structure, reliable in action, easy to operate, do not increase the auxiliary operation action, carry out, be about to realize the requirement of automatic blocking and release with the normal running order, and match with operating personnel's operating habit, have the perfect effect that prevents mistakenly entering charged chamber.
Embodiment:
Dead bolt, hook, baffle plate, block, keeper, keeper seat sideboard, push rod, tip-lever support adopt iron plate to make, and thickness is 3-5mm.
Height of baffle plate on the preceding pocket door down is 20-30mm.
Drive link length is 1200-1800mm.
The equipment that is in operation needs charged detection sometimes, therefore by locking the preceding pocket door of going up " emergency release " device is housed.
Claims (9)
1, high-tension switch cabinet prevents the mechanical locking device between mistakenly entering into charged, go up pocket door, preceding pocket door down, back before the switch cubicle to hide that hurdle door and back hide be that door lock assembly, keeper assembly, extension spring, block, drive link, hook on single fan folding door or the bivalve door formed three kinds of blocking mechanisms and back and hidden the location of hurdle list fan folding door or bivalve door and prevent being left unlocked or unlatched mechanism by being installed in, it is characterized in that:
(1) the preceding pocket door blocking mechanism of going up is made up of door lock assembly, comprises and the joining band inclined segment 1 of isolator operating mechanism, can make to be equipped with on the axially movable locking bar 2 locking bar cover 3, mount pin 4 and extension spring 6 on the lock shaft, the dead bolt 5 of band torsion spring is installed on the pocket door 7
(2) preceding upper and lower pocket door locking interlocking device, by before being welded on down the baffle plate 8 of pocket door 9 tops constitute,
(3) back hides hurdle list fan folding door or biparting net door blocking mechanism, and drive link 10 and the stage clip 21 between the door formed by the keeper assembly and before and after being installed in,
(4) back hides hurdle list fan folding door detent mechanism, form by spring, hook, hook seat,
(5) the biparting net door in back screening hurdle is anti-is left unlocked or unlatched mechanism, is made up of push rod, tip-lever support, stage clip.
2, mechanical locking device according to claim 1, locking bar 2 one ends of going up the pocket door blocking mechanism before it is characterized in that contact with the inclined-plane of arc 1, are installed in coincide corresponding with the breach on the dead bolt 5 of lock pin 4 on the locking bar.
3, mechanical locking device according to claim 1 is welded on the preceding baffle plate 8 of pocket door 9 tops down in the partition door blocking mechanism before it is characterized in that between the upper and lower, goes up pocket door 7 lower inside before the other end is positioned at, and coincide with the preceding interval doorframe groove of going up.
4, mechanical locking device according to claim 1, when it is characterized in that the back hides hurdle net Men Weidan fan folded net door, the keeper assembly of blocking mechanism is by keeper seat 12 with holes, and board plug type keeper 14 and the sideboard 11 that is installed on the keeper seat are formed.
5, mechanical locking device according to claim 1 is characterized in that the blocking mechanism keeper assembly when screening hurdle, back net door is bivalve door is made up of long keeper 14 with holes, keeper seat 12 with holes and bearing 19, baffle plate 6, spring 15 and the presser feet 17 that is installed on the keeper seat.
6, mechanical locking device according to claim 1, it is characterized in that the back hides the hurdle blocking mechanism and is made up of keeper assembly and drive link, drive link one end runs through the hole on keeper seat and the keeper, the other end be welded on before down the block 20 on the pocket door contact, stage clip 21 is housed on the drive link.
7, mechanical locking device according to claim 1 is characterized in that the back hides hurdle list fan folding door detent mechanism and is made up of the hook seat 23 on the net door frame after being installed in, hook 24 and the extension spring 22 on the back door.
8, mechanical locking device according to claim 1, it is characterized in that the anti-mechanism of being left unlocked or unlatched was made up of the tip-lever support 26, stage clip 27, the push rod 28 that are installed on the net door of a left side when back hid the hurdle for bivalve door, the overhanging end of push rod contacts with back net door, and the other end is installed in the tip-lever support of band stage clip.
9, mechanical locking device according to claim 1 is characterized in that drive link length is 1200-1800mm, and baffle plate 8 highly is 20-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90219346 CN2083796U (en) | 1990-11-22 | 1990-11-22 | Mechanical locking device protecting mistake enter charged chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90219346 CN2083796U (en) | 1990-11-22 | 1990-11-22 | Mechanical locking device protecting mistake enter charged chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2083796U true CN2083796U (en) | 1991-08-28 |
Family
ID=4898033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90219346 Withdrawn CN2083796U (en) | 1990-11-22 | 1990-11-22 | Mechanical locking device protecting mistake enter charged chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2083796U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592686B (en) * | 2009-06-29 | 2011-01-12 | 四川电力试验研究院 | Indicator for preventing mistakenly entering charged chamber |
| CN101615523B (en) * | 2009-05-22 | 2012-05-30 | 浙江天正电气股份有限公司 | Isolating switch |
| CN102496873A (en) * | 2011-12-04 | 2012-06-13 | 正泰电气股份有限公司 | Interlocking device for door closing operation of switching equipment |
| CN104506020A (en) * | 2014-12-26 | 2015-04-08 | 孙欣 | Double-cavity explosion-proof frequency converter control cabinet |
| CN113492920A (en) * | 2020-03-20 | 2021-10-12 | 上海汽车集团股份有限公司 | Pick up car and automobile body thereof |
-
1990
- 1990-11-22 CN CN 90219346 patent/CN2083796U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101615523B (en) * | 2009-05-22 | 2012-05-30 | 浙江天正电气股份有限公司 | Isolating switch |
| CN101592686B (en) * | 2009-06-29 | 2011-01-12 | 四川电力试验研究院 | Indicator for preventing mistakenly entering charged chamber |
| CN102496873A (en) * | 2011-12-04 | 2012-06-13 | 正泰电气股份有限公司 | Interlocking device for door closing operation of switching equipment |
| CN102496873B (en) * | 2011-12-04 | 2014-09-17 | 正泰电气股份有限公司 | Interlocking device for door closing operation of switching equipment |
| CN104506020A (en) * | 2014-12-26 | 2015-04-08 | 孙欣 | Double-cavity explosion-proof frequency converter control cabinet |
| CN113492920A (en) * | 2020-03-20 | 2021-10-12 | 上海汽车集团股份有限公司 | Pick up car and automobile body thereof |
| CN113492920B (en) * | 2020-03-20 | 2022-08-30 | 上海汽车集团股份有限公司 | Pick up car and automobile body thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |