CN112398037B - Cubical switchboard qianmen locking device and have this locking device's cubical switchboard - Google Patents
Cubical switchboard qianmen locking device and have this locking device's cubical switchboard Download PDFInfo
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- CN112398037B CN112398037B CN202011239506.XA CN202011239506A CN112398037B CN 112398037 B CN112398037 B CN 112398037B CN 202011239506 A CN202011239506 A CN 202011239506A CN 112398037 B CN112398037 B CN 112398037B
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- front door
- box body
- locking device
- seat
- switch cabinet
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- 230000007246 mechanism Effects 0.000 claims abstract description 50
- 238000001125 extrusion Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 description 8
- 230000007704 transition Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
- H02B11/133—Withdrawal mechanism with interlock
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/10—Indicating electrical condition of gear; Arrangement of test sockets
Abstract
The invention discloses a switch cabinet front door locking device and a switch cabinet with the same, wherein the switch cabinet front door locking device comprises a box body, the box body is fixedly arranged on the inner side of a switch cabinet front door, a rotating matching disc is movably arranged in the box body through a rotating shaft, a touch switch is fixedly arranged at the bottom of the rotating matching disc and is in matching connection with five touch rods, the side edge of the rotating matching disc movably abuts against a matching roller, a matching gear is also fixedly arranged at the axis of the rotating matching disc, a limiting groove is formed in one side of a telescopic rack, and the outer ring of a second ratchet mechanism is meshed with teeth formed in the side edge of the telescopic rack.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a switch cabinet front door locking device and a switch cabinet with the same.
Background
The switch cabinet comprises a cabinet body, a circuit breaker and a front door, wherein the front door of the switch cabinet can not be opened generally during live operation, when the switch cabinet is maintained and operated, the switch cabinet needs to be stopped from live operation firstly, then the front door is opened for operation, in order to ensure that the front door of the handcart type switch cabinet is limited during operation, an interlocking mechanism of the circuit breaker and the front door in the handcart type switch cabinet is provided, the front door of the switch cabinet is prevented from being opened during live operation, but the interlocking mechanism is arranged in the switch cabinet and is troublesome to install, the interlocking mechanism of the circuit breaker and the front door of the handcart type switch cabinet is relatively complex, the stability of the interlocking mechanism is poor, the potential safety hazard of misoperation exists during live and overhaul of the switch cabinet, in the actual overhaul process, a worker can not carry out standardized overhaul according to operation steps specified by a work ticket, and easily enters the live compartment by mistake, so that a serious safety accident occurs.
The invention aims to design a switch cabinet front door locking device which is simple and convenient to install, can provide guiding operation of a switch cabinet door for a maintainer, and reserves enough time for the maintainer to perform corresponding operation, and a switch cabinet with the locking device.
Disclosure of Invention
The invention aims to provide a switch cabinet front door locking device and a switch cabinet with the same, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a switch cabinet front door locking device comprises a box body, wherein the box body is fixedly arranged on the inner side of a switch cabinet front door, a rotating matching disc is movably arranged in the box body through a rotating shaft, touch switches are fixedly arranged at the bottom of the rotating matching disc and can be sequentially and respectively matched and connected with five touch rods, the touch rods are respectively and electrically connected with corresponding operation indicating lamps, the touch rods are fixedly arranged in the box body, the five touch rods are arranged in an annular array mode along the axial direction of the rotating matching disc, notches are formed in the rotating matching disc, the side edges of the rotating matching disc are movably abutted against matching rollers, the matching rollers are movably arranged on a telescopic connecting rod, a spring seat is fixedly arranged on the telescopic connecting rod, an extrusion spring is fixedly arranged on one side, away from the matching rollers, of the spring seat, one end, away from the matching rollers, of the extrusion spring is fixedly arranged on an extrusion seat, the extrusion seat is fixedly arranged in the box body, the telescopic connecting rod is movably inserted in the extrusion seat, one end of the telescopic connecting rod, far away from the matching roller, is movably matched with a switch groove arranged on the side edge of the switch cabinet box body through a channel arranged on the box body, a matching gear is also fixedly arranged at the axle center of the rotary matching disc, the matching gear is meshed with an outer ring of a first ratchet mechanism, an inner ring of the first ratchet mechanism is meshed with teeth arranged on the side edge of a telescopic rack, a pull-down handle is fixedly connected on the telescopic rack, a traction spring is fixedly connected on the upper portion of the telescopic rack, one end of the traction spring, far away from the telescopic rack, is fixedly connected on a traction seat, the traction seat is fixedly arranged in the box body, a limit groove is arranged on one side of the telescopic rack, and is movably matched with a limit rod at the bottom, the limiting rod is movably inserted in the limiting seat, the limiting seat is fixedly arranged in the box body, the limiting rod is fixedly provided with a toggle block, a limiting spring is fixedly arranged between the toggle block and the limiting seat, the toggle block is movably matched with the toggle wheel, the poking wheel is meshed with an output gear of the spring mechanism through a transition reduction gear, an input wheel of the spring mechanism is fixedly connected with an inner ring of the second ratchet mechanism, and an outer ring of the second ratchet mechanism is meshed with teeth arranged on the side edge of the telescopic rack.
Preferably, five the touching pole is from supreme clockwise the operation pilot lamp that has connected gradually the one-to-one down, the operation pilot lamp includes five operation pilot lamps of "qianmen closed condition", "circuit breaker separating brake", "circuit breaker dolly shakes to experimental position", "closed earthing switch" and "qianmen open condition".
Preferably, a moving groove is formed in the front door of the switch cabinet, and the pull-down handle is movably arranged in the moving groove.
Preferably, five operation indicator lamps are fixedly arranged on the outer side of the front door of the switch cabinet.
Preferably, a sliding groove is formed in one side of the telescopic rack and is movably matched with a limiting guide strip, and the limiting guide strip is fixedly installed in the box body.
Preferably, one end, far away from the pull-down handle, of the telescopic rack is fixedly provided with a pair of guide wheels, and the guide wheels movably abut against the inner wall of the box body.
A switch cabinet comprises a switch cabinet front door, a switch cabinet body and the switch cabinet front door locking device.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has simple structure, can be installed on any switch cabinet body, and overcomes the defects of complex installation, complex structure and weak adaptability of the interlocking mechanism;
2. according to the invention, the time delay operation is carried out through the clockwork mechanism, the operation indicator lamp guides a maintainer to carry out corresponding standardized operation before the front door is opened, and sufficient time is reserved for the maintainer to carry out corresponding operation through the time delay of the clockwork mechanism, so that the risk that the maintainer mistakenly enters a live interval without the maintenance step is effectively avoided, and the safety of the product is improved.
The invention has simple structure, can be installed on any switch cabinet body, carries out time delay operation through the clockwork mechanism, guides maintainers to carry out corresponding standardized operation before the front door is opened through the operation indicator lamp, effectively avoids the risk that the maintainers mistakenly enter the electrified interval without following the maintenance steps, and improves the safety of products.
Drawings
FIG. 1 is a schematic view of the internal mounting structure of the case according to the present invention;
FIG. 2 is a schematic diagram of the movement of the touch switch and the touch lever according to the present invention;
FIG. 3 is a schematic view of the mounting structure of the cartridge of the present invention;
FIG. 4 is a schematic view of a guide wheel mounting arrangement of the present invention;
FIG. 5 is a schematic view of a first ratchet mechanism according to the present invention.
In the figure: the switch cabinet comprises a box body 1, a switch cabinet front door 2, a rotary matching disc 3, a touch switch 4, a touch rod 5, an operation indicator lamp 6, a matching roller 7, a telescopic connecting rod 8, a spring seat 9, an extrusion spring 10, an extrusion seat 11, a switch cabinet body 12, a switch groove 13, a matching gear 14, a first ratchet mechanism 15, a telescopic rack 16, a pull-down handle 17, a traction spring 18, a traction seat 19, a limiting groove 20, a limiting rod 21, a limiting seat 22, a poking block 23, a limiting spring 24, a poking wheel 25, a transition reduction gear 26, a clockwork spring mechanism 27, a second ratchet mechanism 28, a moving groove 29, a limiting guide strip 30 and a guide wheel 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
a switch cabinet front door locking device comprises a box body 1, wherein the box body 1 is used as a bearing mechanism of various parts, the box body 1 is fixedly arranged on the inner side of a front door 2 of a switch cabinet, the box body 1 can be installed on the inner side of the front door 2 of the switch cabinet, compared with the setting of an interlocking mechanism, most switch cabinets can be adapted, meanwhile, the structure is simple, a rotating matching disc 3 is movably installed in the box body 1 through a rotating shaft, touch switches 4 are fixedly installed at the bottom of the rotating matching disc 3, the touch switches 4 can be sequentially and respectively in matched connection with five touch rods 5, the rotating matching disc 3 rotates to drive the touch switches 4 to be movably connected with the corresponding touch rods 5, so that the corresponding operation indicating lamps 6 are operated, the touch rods 5 are respectively and electrically connected with the corresponding operation indicating lamps 6, the touch rods 5 are fixedly arranged in the box body 1, the five touch rods 5 are arranged in an annular array along the axial direction of the rotating matching disc 3, the rotating matching disc 3 is provided with an opening, the side edge of the rotating matching disc 3 is movably abutted against a matching roller 7, when the matching roller 7 is positioned at the inner side of the opening of the rotating matching disc 3, an extrusion spring 10 pushes a telescopic connecting rod 8 to move backwards so as to enable the telescopic connecting rod 8 to be separated from a switch slot 13 at the side edge of a switch cabinet box body 2, at the moment, a switch cabinet front door 2 can be opened, when the matching roller 7 is separated from the opening of the rotating matching disc 3, the rotating matching disc 3 extrudes and drives the telescopic connecting rod 8 to enter the switch slot 13, at the moment, the switch cabinet front door 12 keeps a closed state, the matching roller 7 is movably arranged on the telescopic connecting rod 8, a spring seat 9 is fixedly arranged on the telescopic connecting rod 8, the extrusion spring 10 is fixedly arranged at one side of the spring seat 9, which is far away from the matching roller 7, one end of the extrusion spring 10, which is far away from the matching roller 7, is fixedly arranged on an extrusion seat 11, the extrusion seat 11 is fixedly arranged in the box body 1, the extrusion spring 10 extrudes the spring seat 9 and the telescopic connecting rod 8 to one side close to the rotary matching disk 3 under the action of no external force, the telescopic connecting rod 8 is movably inserted in the extrusion seat 11, one end of the telescopic connecting rod 8, which is far away from the matching roller 7, is movably matched with a switch slot 13 formed in the side edge of a switch cabinet box body 12 through a channel formed in the box body 1, when the telescopic connecting rod 8 enters the switch slot 13, a front door 12 of the switch cabinet is in a closed state, a matching gear 14 is also fixedly arranged at the axis of the rotary matching disk 3, the matching gear 14 is meshed with an outer ring of a first ratchet mechanism 15, an inner ring of the first ratchet mechanism 15 is meshed with teeth formed in the side edge of a telescopic rack 16, a pull-down handle 17 is fixedly connected on the telescopic rack 16, the pull-down handle 17 is pulled downwards to drive the telescopic rack 16 to move, and the telescopic rack 16 moves to drive the first ratchet mechanism 15 to rotate, the first ratchet mechanism 15 rotates to drive the rotary matching disc 3 to rotate, the teeth number of the telescopic rack 16 and the first ratchet mechanism 15 is reasonably arranged, so that the pull-down handle 17 finishes one pull-down stroke each time, the rotary matching disc 3 rotates for 1/5 of a circle, the touch switch 4 can be ensured to be smoothly contacted with the touch rod 5, and the on-off of the corresponding operation indicator lamp 6 is finished, the upper part of the telescopic rack 16 is fixedly connected with a traction spring 18, one end of the traction spring 18, which is far away from the telescopic rack 16, is fixedly connected onto a traction seat 19, the traction seat 19 is fixedly arranged inside the box body 1, the traction spring 18 is used for upwards drawing the telescopic rack 16 under the effect of no external force, one side of the telescopic rack 16 is provided with a limiting groove 20, the limiting groove 20 is movably matched with a limiting rod 21 at the bottom, the limiting rod 21 is movably inserted into a limiting seat 22, and the limiting seat 22 is fixedly arranged in the box body 1, when the telescopic rack 16 descends to the limit groove 20 to be matched with the limit rod 21, the movement of the telescopic rack 16 is limited at the moment, the teeth number of the telescopic rack 16 and the second ratchet mechanism 28 is reasonably set, so that when the limit rod 21 enters the limit groove 20, the second ratchet mechanism 20 is just separated from the teeth meshed with the telescopic rack 16, the energy-stored spring mechanism 27 can release energy after the telescopic rack 16 is limited by the method, the limit rod 21 is fixedly provided with the toggle block 23, the limit spring 24 is fixedly arranged between the toggle block 23 and the limit seat 22, the toggle block 23 is movably matched with the toggle wheel 25, the toggle wheel 25 is meshed with the output gear of the spring mechanism 27 through the transition reduction gear 26, and the input wheel of the spring mechanism 27 is fixedly connected with the inner ring of the second ratchet mechanism 28, the outer ring of the second ratchet mechanism 28 is meshed with teeth formed in the side edge of the telescopic rack 16, the telescopic rack 16 descends to store energy in the clockwork mechanism 27, after the telescopic rack 16 is separated from the second ratchet mechanism 20, the energy stored in the clockwork mechanism 27 is released, the output end of the clockwork mechanism 27 rotates to drive the transition reduction gear 26 to rotate, the transition reduction gear 26 drives the toggle wheel 25 to rotate, the toggle wheel 25 rotates to fluctuate the toggle block 23, so that the limiting rod 21 is separated from the limiting groove 20, at the moment, the telescopic rack 16 resets under the action of the traction spring 18, and through reasonably allocating the transition reduction gear 26, each time a downward pulling stroke of the downward pulling handle 17 is performed, the toggle wheel 25 can toggle the toggle block 23 at the last moment of rotation, so that the limiting rod 21 is separated from the limiting groove 20.
As a preferred, five touch rods 5 are connected with five operation indicator lamps 6 in a one-to-one correspondence manner clockwise from bottom to top, the operation indicator lamps 6 include five operation indicator lamps 6 of "front door closed state", "breaker open circuit", "breaker trolley shakes to experimental position", "closed earthing switch", and "front door open state", after the rotating fit plate 3 rotates 1/5 circle, the touch switch 4 synchronous rotation that is connected with the rotating fit plate 3 makes it cooperate with the touch rod 5, switch-on and the operation indicator lamps 6 that each touch rod 5 one-to-one is connected at this moment, thereby indicate the state of the operating personnel cubical switchboard front door 2 and the corresponding operation that needs to be carried out to open the cubical switchboard front door 2, the operation indicator lamps 6 in this embodiment supply power through the battery box that sets up in the box body 1.
Preferably, the switch cabinet front door 2 is provided with a moving groove 29, and the lower pull handle 17 is movably arranged in the moving groove 29.
Preferably, five operation indicator lamps 6 are fixedly arranged on the outer side of the front door 2 of the switch cabinet, and an operator can know the state of the front door 2 of the switch cabinet through the operation indicator lamps 6 arranged on the outer side of the front door 2 of the switch cabinet.
Preferably, the sliding groove is formed in one side of the telescopic rack 16 and is movably matched with the limiting guide strip 30, the limiting guide strip 30 is fixedly installed in the box body 1, and the telescopic rack 16 is guaranteed to move more stably through the limiting guide strip 30.
Preferably, one end of the telescopic rack 16, which is far away from the pull-down handle 17, is fixedly provided with a pair of guide wheels 31, the guide wheels 31 movably abut against the inner wall of the box body 1, and the movement stability of the telescopic rack 16 is further ensured through the arrangement of the guide wheels 31.
A switch cabinet comprises a switch cabinet front door 2, a switch cabinet body 12 and the switch cabinet front door locking device.
The working principle is as follows: after the front door 2 of the switch cabinet is in a closed state, when an overhaul worker needs to open the front door 2 of the switch cabinet, the pull-down handle 17 needs to be pulled, the pull-down handle 17 moves to drive the telescopic rack 16 to move, the telescopic rack 16 moves to drive the first ratchet mechanism 15 to rotate, the first ratchet mechanism 15 rotates to drive the rotary matching disc 3 to rotate for 1/5 of a circle, at the moment, the touch switch 4 connected with the rotary matching disc 3 is connected with the corresponding touch rod 5, so that the corresponding operation indicator lamp 6 is communicated and synchronized, the telescopic rack 16 moves to drive the second ratchet mechanism 28 to rotate so as to store energy for the clockwork spring mechanism 27, after the limiting rod 21 enters the limiting groove 20, the movement of the telescopic rack 16 is limited, at the moment, the telescopic rack 16 is separated from the second ratchet mechanism 28, the clockwork spring mechanism 27 can release the stored energy through the transition reduction gear 26, the transition reduction gear 26 rotates to drive the poking wheel 25 to rotate, after energy is released for a period of time, the toggle wheel 25 rotates to toggle the toggle block 23, the toggle block 23 moves to drive the limiting rod 21 to be separated from the limiting groove 20, after the limiting rod 21 is separated from the limiting groove 20, the telescopic rack 16 resets under the action of the traction spring 18, due to the arrangement of the first ratchet mechanism 15 and the second ratchet mechanism 28, the telescopic rack 16 resets and cannot drive the rotating matching disc 3 and the clockwork mechanism 27 to work again, in the period of time when the clockwork mechanism 27 releases energy, a maintainer cannot move the pull-down handle 17 and matches with the corresponding operation indicator lamp 6 for prompting, the maintainer can carry out corresponding operation according to the prompt of the operation indicator lamp 6, so that safety accidents caused by mistaken entering of an electrified interval are prevented, after the pull-down handle 17 resets, the pull-down handle is pulled down again to complete a stroke, and the circuit breaker is switched off sequentially, "circuit breaker dolly is shaken experimental position", "closed ground switch" and "qianmen open mode" position, finally can open cubical switchboard qianmen 2, guarantees through this kind of mode that the maintainer wants to open cubical switchboard cabinet door 2, must carry out the operation of repeated pulling pull-down handle 17 to carry out corresponding operation through the suggestion of operation pilot lamp 6, effectively prevent the mistake and go into electrified interval.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a cubical switchboard qianmen locking device, includes box body (1), its characterized in that: box body (1) fixed mounting is inboard at cubical switchboard front door (2), there are rotatory cooperation dish (3) through pivot movable mounting in box body (1), rotatory cooperation dish (3) bottom fixed mounting has touch switch (4), touch switch (4) can be connected with five touching pole (5) cooperations respectively in proper order, touching pole (5) respectively with operation pilot lamp (6) electric connection that correspond, touching pole (5) fixed mounting is in box body (1), five touching pole (5) are along rotatory cooperation dish (3) axle center direction and are annular array setting, seted up the opening on rotatory cooperation dish (3), rotatory cooperation dish (3) side activity is supported and is leaned on and has cooperation running roller (7), cooperation running roller (7) movable mounting is on telescopic connecting rod (8), fixed mounting has spring holder (9) on telescopic connecting rod (8), spring holder (9) are kept away from cooperation running roller (7) one side fixed mounting and are extrudeed spring (10), extrusion spring (10) are kept away from cooperation running roller (7) one end fixed mounting and are in telescopic connecting rod (11) on the extrusion seat (11) set up extrusion seat (11) through extrusion seat (11) extrusion channel (11) and extrusion seat (11) are inserted at telescopic box body (11) internal portion (11) and extrusion seat (8) internal portion extrusion seat (11), extrusion seat (8) are seted up extrusion seat (11) in extrusion seat (11) and extrusion seat (11) extrusion seat (8) extrusion seat (11) extrusion seat Switch slot (13) clearance fit that cubical switchboard box (12) side was seted up, rotatory cooperation dish (3) axle center department still fixed mounting has cooperation gear (14), cooperation gear (14) and the outer lane meshing of first ratchet (15), the tooth meshing that the inner circle of first ratchet (15) and telescopic rack (16) side were seted up, fixedly connected with pull-down handle (17) is gone up in telescopic rack (16), telescopic rack (16) upper portion fixedly connected with pulls spring (18), pull spring (18) keep away from telescopic rack (16) one end fixed connection on traction seat (19), traction seat (19) fixed mounting is inside box body (1), spacing groove (20) have been seted up to telescopic rack (16) one side, gag lever post (21) clearance fit of gag lever post (20) and bottom, gag lever post (21) activity is inserted in spacing seat (22), gag lever post (22) fixed mounting is in box body (1), fixed mounting has movable block (23) on gag lever post (21), the shifting block (23) and the output gear shifting block (25) through spacing gear shifting block (25), spacing gear shifting block (23) and spacing gear shifting block (25) output gear shifting block (25), an input wheel of the clockwork mechanism (27) is fixedly connected with an inner ring of a second ratchet mechanism (28), and an outer ring of the second ratchet mechanism (28) is meshed with teeth arranged on the side edge of the telescopic rack (16).
2. The switchgear front door locking device according to claim 1, characterized in that: five contact pole (5) are from supreme clockwise the operation pilot lamp (6) that have connected gradually the one-to-one down, operation pilot lamp (6) are including five operation pilot lamp (6) of "qianmen closed condition", "circuit breaker separating brake", "circuit breaker dolly shakes to experimental position", "closed earthing switch" and "qianmen open condition".
3. The switchgear front door locking device according to claim 1, characterized in that: a movable groove (29) is formed in the front door (2) of the switch cabinet, and the pull-down handle (17) is movably mounted in the movable groove (29).
4. The switchgear front door locking device according to claim 2, characterized in that: five operation pilot lamps (6) are fixedly arranged on the outer side of the front door (2) of the switch cabinet.
5. The switchgear front door locking device according to claim 1, characterized in that: a sliding groove is formed in one side of the telescopic rack (16), the sliding groove is movably matched with the limiting guide strip (30), and the limiting guide strip (30) is fixedly installed in the box body (1).
6. The front door locking device for the switch cabinet according to claim 1, characterized in that: one end, far away from the pull-down handle (17), of the telescopic rack (16) is fixedly provided with a pair of guide wheels (31), and the guide wheels (31) movably abut against the inner wall of the box body (1).
7. The utility model provides a cubical switchboard, includes cubical switchboard qianmen (2) and cubical switchboard box (12), its characterized in that: the switchgear cabinet front door locking device according to any of claims 1 to 6 is further comprised.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239506.XA CN112398037B (en) | 2020-11-09 | 2020-11-09 | Cubical switchboard qianmen locking device and have this locking device's cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239506.XA CN112398037B (en) | 2020-11-09 | 2020-11-09 | Cubical switchboard qianmen locking device and have this locking device's cubical switchboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112398037A CN112398037A (en) | 2021-02-23 |
| CN112398037B true CN112398037B (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011239506.XA Active CN112398037B (en) | 2020-11-09 | 2020-11-09 | Cubical switchboard qianmen locking device and have this locking device's cubical switchboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112398037B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114000784B (en) * | 2021-09-30 | 2023-04-07 | 华能南京燃机发电有限公司 | Locking device for switch cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001020594A (en) * | 1999-07-09 | 2001-01-23 | Sanwa Shutter Corp | Opening and closing control device for self-closing type door |
| CN201763070U (en) * | 2010-06-11 | 2011-03-16 | 镇江泰源电器科技有限公司 | Electromagnetic lock for preventing misoperation of high-voltage switchgear |
| CN103590672A (en) * | 2013-11-15 | 2014-02-19 | 江苏银佳企业集团有限公司 | High-voltage cabinet middle door interlocking device |
| CN206401210U (en) * | 2016-12-26 | 2017-08-11 | 上海中亚电气有限公司 | A kind of cable chamber door and the mechanical interlocks of line-to-ground |
| CN209515541U (en) * | 2019-04-28 | 2019-10-18 | 安徽长龙电气集团有限公司 | A kind of high-tension switch cabinet false-touch prevention operating device |
-
2020
- 2020-11-09 CN CN202011239506.XA patent/CN112398037B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001020594A (en) * | 1999-07-09 | 2001-01-23 | Sanwa Shutter Corp | Opening and closing control device for self-closing type door |
| CN201763070U (en) * | 2010-06-11 | 2011-03-16 | 镇江泰源电器科技有限公司 | Electromagnetic lock for preventing misoperation of high-voltage switchgear |
| CN103590672A (en) * | 2013-11-15 | 2014-02-19 | 江苏银佳企业集团有限公司 | High-voltage cabinet middle door interlocking device |
| CN206401210U (en) * | 2016-12-26 | 2017-08-11 | 上海中亚电气有限公司 | A kind of cable chamber door and the mechanical interlocks of line-to-ground |
| CN209515541U (en) * | 2019-04-28 | 2019-10-18 | 安徽长龙电气集团有限公司 | A kind of high-tension switch cabinet false-touch prevention operating device |
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|---|---|
| CN112398037A (en) | 2021-02-23 |
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