CN204332748U - A kind of earthed switch and cable vault's back door interlocking device - Google Patents
A kind of earthed switch and cable vault's back door interlocking device Download PDFInfo
- Publication number
- CN204332748U CN204332748U CN201520025408.4U CN201520025408U CN204332748U CN 204332748 U CN204332748 U CN 204332748U CN 201520025408 U CN201520025408 U CN 201520025408U CN 204332748 U CN204332748 U CN 204332748U
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- China
- Prior art keywords
- elongated hole
- sliding slot
- control link
- frid
- slot board
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Abstract
The utility model relates to a kind of earthed switch and cable vault's back door interlocking device, it control link comprising locking device, retaining device and be arranged between locking device and retaining device; Locking device comprises installs frid and sliding slot board; Retaining device comprises anti-rotation block, latch and rotating disk, described control link one end is fixed through the side installing frid and sliding slot board, the control link other end passes anti-rotation block and arranges fixed head in control link end, fixedly mounts described latch at the fixed head other end and control link homonymy; The utility model compact conformation, installation, convenient disassembly, ensure that the normal operation of switch cubicle and the personal safety of operating personnel, the utility model is easy to operate, is useful in electric power system and widely uses.
Description
Technical field
The utility model relates to a kind of earthed switch and cable vault's back door interlocking device, belongs to electric power technique with the apparatus field.
Technical background
The electric operation of electric power system all needs certain operation sequence, in order to prevent operations staff, maintainer and other personnel from causing unnecessary accident because of misoperation, proposes the concept of " five prevent " locking." five prevent " refer to: 1. prevent by mistake point, falsely close circuit breaker; 2. prevent on-load opening and closing isolating switch; 3. prevent band cable address (conjunction) ground connection from bursting at the seams (switch); 4. prevent line with ground (switch) from closing circuit breaker (isolating switch); 5. prevent mistakenly entering charged chamber.Therefore switch cubicle should have " five prevent " function.The proper operation of the earthed switch wherein in cable vault has extremely important effect to guarantee system and personal safety, if misoperation may cause accident to occur, even likely threatens to the life security of staff.When carrying out operational grounding switch, by particularly important with the interlocking at back door, cable vault for earthed switch operation, during overhaul of the equipments, must first be closed a floodgate by earthed switch, after making major loop ground, back door just can be opened, and ensures maintainer's safety.After maintenance terminates, only could carry out sub-switching operation to earthed switch when back door is closed, otherwise after switch cubicle power transmission, back door is closed not yet, mistakenly entering into charged room may occur, have the danger of electric shock and cause equipment fault.The interlock of current use, still can imperative operation grounding switch tripping when back door, cable vault is not closed, and causes great potential safety hazard.
Utility model content
Technical problem to be solved in the utility model is simple, easy to operate, the safe and reliable earthed switch of structure and cable vault's back door interlocking device.
The utility model adopts following technical scheme:
The control link that the utility model comprises locking device, retaining device and is arranged between locking device and retaining device; Described locking device comprises to be installed frid and is arranged on the sliding slot board installed on frid; In described installation frid side, correspondence arranges vertical elongated hole; Horixmtal long hole and guiding square hole is set gradually outside vertical elongated hole; The left side vertical plate of installing frid arranges hook plate through hole; On described sliding slot board, correspondence arranges oblique elongated hole, and described oblique elongated hole is between vertical elongated hole; At described oblique elongated hole arranged outside horizontally-guided elongated hole, in the spacing chuck that described sliding slot board end arranged outside coordinates with guiding square hole; Described installation frid and sliding slot board arrange sliding panel cushion block, and described sliding panel cushion block is fixed through horizontally-guided elongated hole and installation frid; Arrange bearing pin A through vertical elongated hole and oblique elongated hole, arrange bearing pin B through sliding slot board and horixmtal long hole, described bearing pin B is positioned at outside oblique elongated hole; Described retaining device comprises anti-rotation block, latch and the rotating disk just right with anti-rotation block, and rotating disk is arranged on earthed switch operating axis, and described rotating disk arranges jack; Described control link one end is fixed through the side installing frid and sliding slot board, between installation frid and the side of sliding slot board, install Compress Spring by control lever; The described control link other end passes anti-rotation block and arranges fixed head in control link end, fixedly mounts described latch at the fixed head other end and control link homonymy.
The utility model is fixedly installed cushion block in anti-rotation block lower inside.
The both side ends of bearing pin A described in the utility model and bearing pin B is fixed by split washer respectively.
The utility model good effect is as follows: the utility model compact conformation, install, convenient disassembly, sliding slot board is at bearing pin A, horizontal slip is carried out under bearing pin B and the guide effect of sliding panel cushion block, ensure the normal opening and closing at back door, cable vault, use the utility model back door, cable vault must be closed, just can carry out the operation of earthed switch on/off switch, when back door, cable vault is not closed, if there is operating personnel's misoperation, the utility model ensures that earthed switch is not by separating brake reliably, and can integrality of the present utility model be ensured, ensure that the normal operation of switch cubicle and the personal safety of operating personnel, the utility model is easy to operate, be useful in electric power system to widely use.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model structural representation;
Accompanying drawing 2 is the utility model mounting groove plate structure schematic diagram;
Accompanying drawing 3 is the utility model sliding slot board structural representation;
Accompanying drawing 4 is the installation site structural representation of the utility model in cable vault;
Accompanying drawing 5 is that the utility model is at earthed switch "on" position structural representation;
Accompanying drawing 6 is the utility model split washer structural representation.
In the accompanying drawings: 1 control link, 2 installs frid, 3 sliding slot boards, 4 vertical elongated holes, 5 oblique elongated holes, 6 horixmtal long hole, 7 guiding square hole, 8 horizontally-guided elongated holes, 9 sliding panel cushion blocks, 10 bearing pin A, 11 bearing pin B, 12 hook plate through holes, 13 Compress Springs, 14 anti-rotation blocks, 15 fixed heads, 16 latches, 17 cushion blocks, 18 split washers, 19 hook plates, 20 rotating disks, 21 jacks, 22 spacing chuck.
Embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated:
As shown in figures 1-6, the utility model comprises locking device, retaining device and is arranged on the control link 1 between locking device and retaining device; Described locking device comprises to be installed frid 2 and is arranged on the sliding slot board 3 installed on frid 2; In described installation frid 2 side, correspondence arranges vertical elongated hole 4; Horixmtal long hole 6 and guiding square hole 7 is set gradually outside vertical elongated hole 4; The left side vertical plate of installing frid 2 arranges hook plate through hole 12, facilitates the hook plate 19 on back door, cable vault mobile in installation frid 2; On described sliding slot board 3, correspondence arranges oblique elongated hole 5, and described oblique elongated hole 5 is between vertical elongated hole 4; At described oblique elongated hole 5 arranged outside horizontally-guided elongated hole 8; Pilot hole 7 and horizontally-guided elongated hole 8 are slot, in the spacing chuck 22 that described sliding slot board 3 end arranged outside coordinates with guiding square hole 7, sliding slot board 3 are run more stable; Described installation frid 2 and sliding slot board 3 arrange sliding panel cushion block 9, and described sliding panel cushion block 9 is also fixed on installation frid 2 with staking screw by mounting panel 3 through horizontally-guided elongated hole 8; Arrange bearing pin A 10 through vertical elongated hole 4 and oblique elongated hole 5, arrange bearing pin B 11 through sliding slot board 3 and horixmtal long hole 6, described bearing pin B 11 is positioned at outside oblique elongated hole 5; The both side ends of described bearing pin A 10 and bearing pin B 11 is fixed by split washer 18 respectively, and use split washer 18 is for convenience detach and install bearing pin A 10 and bearing pin B 11; During work, sliding slot board 3 can only carry out horizontal slip under bearing pin A 10, bearing pin B 11 and sliding panel cushion block 9 guide effect; Described retaining device comprises anti-rotation block 14, latch 16 and the rotating disk 20 just right with anti-rotation block 14, and rotating disk 20 is arranged on earthed switch operating axis, and described rotating disk 20 arranges jack 21; Described control link 1 one end is fixed through the side installing frid 2 and sliding slot board 3, between installation frid 2 and the side plate of sliding slot board 3, install Compress Spring 13 by control link 1; Described control link 1 other end passes anti-rotation block 14 and arranges fixed head 15 in control link 1 end, and fixedly weld latch 16 at fixed head 15 other end with control link 1 homonymy, described latch 16 is cylinder shape; Arrange fixing cushion block 17 in anti-rotation block 14 lower inside, described control link 1 is by above cushion block 17.
As shown in accompanying drawing 1,4,5, with screw, the base plate installing frid 2 in the utility model locking device is fixed on cable vault's right plate, the hook plate 19 at operation back door, Shi Shi cable vault can conveniently pass in and out installs frid 2, with bolt, retaining device is arranged on the vertical flanging of cable vault's right plate, makes anti-rotation block 14 just right with the rotating disk 20 on earthed switch operating axis.
As shown in Figure 5, when earthed switch closes a floodgate, earthed switch action bars drives rotating disk 20 to rotate 180 °, jack 21 alignment pins 16 on rotating disk 20, because latch 16 and control link 1 are welded as a whole by fixed head 15, under the Compress Spring 13 of latch 16 on control link 1 acts on, be inserted into jack 21, Compress Spring 13 promotes sliding slot board 3 and slides to hook plate 19 direction under the guide effect of sliding panel cushion block, vertical elongated hole 4 and oblique elongated hole 5 are slided along bearing pin A 10, when bearing pin A 10 two-end part is in vertical elongated hole 4 and oblique elongated hole 5 lower end, when hook plate 19 departs from bearing pin A 10, back door, cable vault can smooth opening.
As shown in Figure 1, when earthed switch will carry out sub-switching operation, shut back door, cable vault, hook plate 19 on back door, cable vault promotes bearing pin B 11, sliding slot board 3 slides and compression Compress Spring 13 downwardly towards anti-rotation block 14 direction in leading of sliding panel cushion block 9, promotes latch 16 and departs from jack 21, back door, cable vault is reliably closed, now earthed switch can carry out sub-switching operation, ensure that handling safety.
The utility model compact conformation, installation, convenient disassembly, ensure that the normal operation of switch cubicle and the personal safety of operating personnel, the utility model is easy to operate, is useful in electric power system and widely uses.
Claims (3)
1. earthed switch and cable vault's back door interlocking device, is characterized in that it comprises locking device, retaining device and is arranged on the control link (1) between locking device and retaining device; Described locking device comprises to be installed frid (2) and is arranged on the sliding slot board (3) installed on frid (2); In described installation frid (2) side, correspondence arranges vertical elongated hole (4), sets gradually horixmtal long hole (6) and guiding square hole (7), the left side vertical plate of installing frid (2) arranges hook plate through hole (12) in vertical elongated hole (4) outside; In the upper correspondence of described sliding slot board (3), oblique elongated hole (5) is set, described oblique elongated hole (5) is positioned between vertical elongated hole (4), described oblique elongated hole (5) arranged outside horizontally-guided elongated hole (8), in the spacing chuck (22) that described sliding slot board (3) end arranged outside coordinates with guiding square hole (7); Described installation frid (2) and sliding slot board (3) arrange sliding panel cushion block (9), and described sliding panel cushion block (9) is fixed through horizontally-guided elongated hole (8) and installation frid (2); Through vertical elongated hole (4) and oblique elongated hole (5), bearing pin A(10 is set), through sliding slot board (3) and horixmtal long hole (6), bearing pin B(11 is set), described bearing pin B(11) be positioned at oblique elongated hole (5) outside; Described retaining device comprises anti-rotation block (14), latch (16) and the rotating disk (20) just right with anti-rotation block (14), rotating disk (20) is arranged on earthed switch operating axis, and described rotating disk (20) arranges jack (21); Described control link (1) one end is fixed through the side installing frid (2) and sliding slot board (3), between installation frid (2) and the side of sliding slot board (3), install Compress Spring (13) by control lever (1); Described control link (1) other end passes anti-rotation block (14) and arranges fixed head (15) in control link (1) end, fixedly mounts described latch (16) at fixed head (15) other end and control link (1) homonymy.
2. ask a kind of earthed switch described in 1 and cable vault's back door interlocking device according to right, it is characterized in that being fixedly installed cushion block (17) in anti-rotation block (14) lower inside.
3. ask a kind of earthed switch described in 1 and cable vault's back door interlocking device according to right, it is characterized in that described bearing pin A(10) and bearing pin B(11) both side ends fixed by split washer (18) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025408.4U CN204332748U (en) | 2015-01-15 | 2015-01-15 | A kind of earthed switch and cable vault's back door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025408.4U CN204332748U (en) | 2015-01-15 | 2015-01-15 | A kind of earthed switch and cable vault's back door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332748U true CN204332748U (en) | 2015-05-13 |
Family
ID=53169074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520025408.4U Expired - Fee Related CN204332748U (en) | 2015-01-15 | 2015-01-15 | A kind of earthed switch and cable vault's back door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332748U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097326A (en) * | 2015-08-19 | 2015-11-25 | 厦门闽光电气实业有限公司 | Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet |
| CN106356217A (en) * | 2016-09-14 | 2017-01-25 | 中国船舶重工集团公司第七○四研究所 | Trans-screen interlocking device for earthing mechanisms of switch cabinets |
| CN106952760A (en) * | 2017-03-31 | 2017-07-14 | 广州白云电器设备股份有限公司 | It is a kind of effectively to prevent the interlock of switchgear double-open type back door maloperation |
| CN108511286A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and breaker |
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
| CN111063575A (en) * | 2019-10-18 | 2020-04-24 | 河南平高通用电气有限公司 | A switch cabinet with a cabinet door and a grounding switch interlocking device |
| 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 |
-
2015
- 2015-01-15 CN CN201520025408.4U patent/CN204332748U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097326A (en) * | 2015-08-19 | 2015-11-25 | 厦门闽光电气实业有限公司 | Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet |
| CN105097326B (en) * | 2015-08-19 | 2017-05-03 | 厦门闽光电气实业有限公司 | Mechanism for enabling isolation switch operation shaft to be interlocked with cabinet door for switch cabinet |
| CN106356217A (en) * | 2016-09-14 | 2017-01-25 | 中国船舶重工集团公司第七○四研究所 | Trans-screen interlocking device for earthing mechanisms of switch cabinets |
| CN106952760A (en) * | 2017-03-31 | 2017-07-14 | 广州白云电器设备股份有限公司 | It is a kind of effectively to prevent the interlock of switchgear double-open type back door maloperation |
| CN106952760B (en) * | 2017-03-31 | 2019-08-13 | 广州白云电器设备股份有限公司 | A kind of interlock can effectively prevent the back door maloperation of switchgear double-open type |
| CN110444419A (en) * | 2018-05-04 | 2019-11-12 | 伊顿电力设备有限公司 | Interlock and switchgear with the interlock |
| CN110444419B (en) * | 2018-05-04 | 2022-07-12 | 伊顿电力设备有限公司 | Interlocking device and switch cabinet with same |
| CN108511286A (en) * | 2018-05-18 | 2018-09-07 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and breaker |
| CN111063575A (en) * | 2019-10-18 | 2020-04-24 | 河南平高通用电气有限公司 | A switch cabinet with a cabinet door and a grounding switch interlocking device |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |