CN115653408B - Switch lock of transformer grounding cabinet - Google Patents
Switch lock of transformer grounding cabinet Download PDFInfo
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- CN115653408B CN115653408B CN202211342235.XA CN202211342235A CN115653408B CN 115653408 B CN115653408 B CN 115653408B CN 202211342235 A CN202211342235 A CN 202211342235A CN 115653408 B CN115653408 B CN 115653408B
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Abstract
The invention discloses a transformer grounding cabinet switch lock which comprises a lock body and a lock core, wherein a cavity is formed in the lock body, a rotating plate is rotatably connected to the inner wall of the cavity, a hanging groove is formed in the lower end of the rotating plate, a hanging rod matched with the hanging groove is arranged on the side wall of the lock core, a pumping cavity and a compression cavity are further formed in the lock body, an electromagnet is fixedly connected to the inner wall of the compression cavity, a magnetic piston is slidably connected in the compression cavity, the compression cavity is communicated with the pumping cavity through a through hole, and a rotating mechanism for rotating the rotating plate is arranged in the pumping cavity and comprises a piston slidably connected in the pumping cavity. The switch lock is reasonable in structure, compared with the traditional switch lock, the switch lock does not need a key, is convenient to operate, can be unlocked only after the grounding cabinet is powered off, reduces the risk of electric shock, and greatly improves the safety performance of the device.
Description
Technical Field
The invention relates to the technical field of switch locks, in particular to a switch lock of a transformer grounding cabinet.
Background
Transformer grounding resistance cabinet function: the common neutral point grounding modes of the power system in China are as follows: the neutral point is directly grounded, the neutral point is not grounded, the neutral point is grounded through an arc suppression coil (resonance grounding), the neutral point is grounded through a resistor, and the grounding operation mode of the power system relates to a plurality of important problems of safe operation, power supply reliability, user electricity safety and the like of a power grid.
For guaranteeing the safety and the stability of distribution system and the protection of personal safety, the cabinet body outside of earthing cabinet can set up the safety lock for prevent that non-maintainer's open at will, among the prior art, traditional switch lock is opened and all need use the key when closing, very inconvenient, the key appears very easily and loses, the condition that leads to opening can not lock takes place, simultaneously because the circuit is complicated in the earthing cabinet, in order to avoid electric shock all need carry out outage operation during maintenance, but current lock is directly opened through the key, the staff forgets the outage very easily, cause electric shock danger.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the switch lock for the transformer grounding cabinet, which is convenient to operate, does not need a key and can be unlocked only after the grounding cabinet is powered off by arranging the rotating plate, the hanging groove and the rotating mechanism, so that the risk of electric shock is reduced, and the safety performance of the device is greatly improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a transformer earthing cabinet switch lock, includes lock body and lock core, the cavity has been seted up to the inside of lock body, rotate on the inner wall of cavity and be connected with the rotating plate, the hanging groove has been seted up to the lower extreme of rotating plate, be provided with on the lateral wall of lock core with hanging groove matched with peg, pump air cavity and compression chamber have still been seted up to the inside of lock body, fixedly connected with electro-magnet on the inner wall of compression chamber, sliding connection has magnetic piston in the compression chamber, through first spring elastic connection between the lower extreme of magnetic piston and the inner wall of compression chamber, first spring is tension spring, through the through-hole intercommunication between compression chamber and the pump air cavity, the inside of pump air cavity is provided with the rotary mechanism who is used for carrying out pivoted to the rotating plate, the rotary mechanism includes the piston of sliding connection in the pump air cavity, fixedly connected with rack on the lateral wall of piston, the rack passes the inner wall of pump air cavity and rather than sliding connection, the rotation junction of rotating plate and cavity cup joints the gear, the gear is fixed connection with both ends of fixed connection is used for carrying out the lock core on two on the fixed connection of two lock bodies.
Preferably, a through groove is formed in the inner wall of the cavity, and the rotating plate penetrates through the through groove.
Preferably, the positioning mechanism comprises positioning grooves respectively formed in the two fixing plates, grooves are formed in the upper end and the lower end of the lock cylinder, and positioning blocks are slidably connected in the two grooves.
Preferably, the side wall of the lock body is fixedly connected with an electric connection piece, and the electric connection piece is electrically connected with the electromagnet.
Preferably, the lower ends of the two positioning blocks are elastically connected with the inner wall of the groove on the same side through two second springs, and the plurality of second springs are pressure springs.
Preferably, the upper end of the lock body is provided with a one-way liquid inlet pipe, the one-way liquid inlet pipe is communicated with the compression cavity, a one-way liquid outlet pipe is arranged on the inner wall of the compression cavity, the one-way liquid outlet pipe is positioned above the gear, and the one-way liquid inlet pipe is externally connected with a lubricating oil storage box.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up the pivoted plate, hanging groove and slewing mechanism, when needs unblank, need carry out the outage earlier to the earthing cabinet, after the earthing cabinet outage, the electric connection piece outage, make the electro-magnet outage, lose magnetism after the electro-magnet outage, the magnetic piston moves down under the effect of first spring, the in-process that the magnetic piston moved down is with the gas of magnetic piston below by the through-hole extrusion pump intracavity, the piston of this moment is moved to cavity department by gas extrusion, drive the rack and remove in the cavity, under the effect of rack, gear rotation, drive the pivoted plate and rotate, make hanging groove break away from the peg, accomplish the unblanking, this switch lock is compared with traditional switch lock, need not to use the key, be convenient for operate, and just can unblank after the earthing cabinet outage, reduce the risk of electric shock, improve the security performance of device greatly.
2. Through setting up positioning mechanism, the lock core is installed on the earthing cabinet door body during the use, and the lock body is installed on the cubical switchboard inner wall, inserts the lock body with the lock core during the lock, under the effect of fixed plate, the locating piece is compressed, moves in to the recess, after the locating piece gets into the constant head tank, under the effect of second spring, the locating piece resets and inserts in the constant head tank, realizes fixing a position the lock core, can effectually avoid the lock core to insert the lock body more, influences the locking.
3. Through setting up magnetic piston and electro-magnet, when unblanking, magnetic piston moves down under the effect of first spring, with lubricating oil by one-way feed liquor pipe suction compression intracavity, when closing the lock, magnetic piston resets, upwards moves and pumps out lubricating oil by one-way drain pipe to on gear and the rack, realizes carrying out the maintenance of oiling to rack and pinion and the inside subassembly of lock, ensures its lubrication degree, can avoid the inside subassembly of lock to rust, improves the life of device greatly.
Drawings
Fig. 1 is an open state diagram of a switch lock of a transformer grounding cabinet provided by the invention;
fig. 2 is a closed state diagram of a switch lock of a transformer grounding cabinet according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is an enlarged view of the structure at B in fig. 2.
In the figure: the novel lock comprises a lock body 1, a power connection sheet 2, an electromagnet 3, a magnetic piston 4, a compression cavity 5, a first spring 6, a one-way liquid inlet pipe 7, a one-way liquid outlet pipe 8, a through groove 9, a cavity 10, a through hole 11, a piston 12, a pumping cavity 13, a rack 14, a rotating plate 15, a gear 16, a hanging groove 17, a fixing plate 18, a locating groove 19, a hanging rod 20, a lock cylinder 21, a locating block 22, a groove 23 and a second spring 24.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1-4, a transformer grounding cabinet switch lock, including lock body 1 and lock core 21, cavity 10 has been seted up to the inside of lock body 1, rotate on the inner wall of cavity 10 and be connected with rotor plate 15, through-slot 9 has been seted up on the inner wall of cavity 10, rotor plate 15 passes through-slot 9, hanging groove 17 has been seted up to the lower extreme of rotor plate 15, be provided with on the lateral wall of lock core 21 with hanging groove 17 matched with peg 20, pump cavity 13 and compression chamber 5 have still been seted up to the inside of lock body 1, fixedly connected with electro-magnet 3 on the inner wall of compression chamber 5, sliding connection has magnetic piston 4 in compression chamber 5, through-hole 11 intercommunication between compression chamber 5 and the pump cavity 13, fixedly connected with connects electrical sheet 2 on the lateral wall of lock body 1, connect between electrical sheet 2 and the electro-magnet 3 through electric connection, through first spring 6 elastic connection between the lower extreme of magnetic piston 4 and the inner wall of compression chamber 5, the upper end of lock body 1 is provided with one-way feed liquor pipe 7, one-way feed liquor pipe 5 and one-way feed liquor 8, one-way feed liquor 5 and the inner wall 5 are provided with hanging groove 17, the inside of compression chamber 5 is still seted up pump gear 8, when setting up on the inside of lock body 1 and compression chamber 5 and the gear 8 have been connected with one-way drive gear 8, the rack 8 is connected with one-way drive gear 8, the one-way drive gear 16 is realized, and the inside of a gear 16 is kept in order to realize, and the one-way drive 1 is kept in order to realize, and is high to realize the one-way 1, and is more and is kept and can be moved by the inside and 16, and can be kept and 16, and can be moved and 16, and can be more and 16, and can be used to realize and 16.
The inside of the pumping chamber 13 is provided with a rotating mechanism for rotating the rotating plate 15, the rotating mechanism comprises a piston 12 which is slidably connected in the pumping chamber 13, a rack 14 is fixedly connected to the side wall of the piston 12, the rack 14 penetrates through the inner wall of the pumping chamber 13 and is slidably connected with the inner wall, a gear 16 is fixedly sleeved at the rotating connection part of the rotating plate 15 and the chamber 10, the gear 16 is meshed with the rack 14, and fixing plates 18 are fixedly connected to the inner walls of the two ends of the lock body 1.
The lock cylinder 21 is positioned by the positioning mechanism which comprises positioning grooves 19 respectively formed in the two fixing plates 18, grooves 23 are formed in the upper end and the lower end of the lock cylinder 21, positioning blocks 22 are slidably connected in the two grooves 23, the lower ends of the two positioning blocks 22 are elastically connected with the inner walls of the grooves 23 on the same side through two second springs 24, the plurality of second springs 24 are pressure springs, the lock cylinder 21 is inserted into the lock body 1 during locking, the positioning blocks 22 are compressed under the action of the fixing plates 18 and move towards the grooves 23, and after the positioning blocks 22 enter the positioning grooves 19, the positioning blocks 22 are reset and inserted into the positioning grooves 19 under the action of the second springs 24, so that the lock cylinder 21 is positioned.
When the lock is used, the lock cylinder 21 is arranged on the grounding cabinet door body, the lock body 1 is arranged on the inner wall of the switch cabinet, the lock cylinder 21 is inserted into the lock body 1 during locking, the positioning block 22 is compressed under the action of the fixing plate 18 and moves into the groove 23, and after the positioning block 22 enters the positioning groove 19, the positioning block 22 is reset and inserted into the positioning groove 19 under the action of the second spring 24, so that the lock cylinder 21 is positioned, more insertion of the lock cylinder 21 into the lock body 2 can be effectively avoided, and locking is influenced;
when unlocking is needed, the grounding cabinet is required to be powered off firstly, after the grounding cabinet is powered off, the power connection piece 2 is powered off, so that the electromagnet 3 is powered off, magnetism is lost after the electromagnet 3 is powered off, the magnetic piston 4 moves downwards under the action of the first spring 6, gas below the magnetic piston 4 is extruded into the pumping cavity 13 through the through hole 11 in the downward moving process of the magnetic piston 4, the piston 12 is extruded to the cavity 10 by the gas at the moment to move to drive the rack 14 to move into the cavity 10, the gear 16 rotates under the action of the rack 14 to drive the rotating plate 15 to rotate, the hanging groove 17 is separated from the hanging rod 20, unlocking is completed, compared with a traditional switch lock, the switch lock is convenient to operate, and the switch lock can be unlocked only after the grounding cabinet is powered off, so that the risk of electric shock is reduced, and the safety performance of the device is greatly improved;
when unlocking, the magnetic piston 4 moves downwards under the action of the first spring 6, lubricating oil is pumped into the compression cavity 5 by the unidirectional liquid inlet pipe 7, and when locking is performed, the magnetic piston 4 resets, moves upwards and pumps out the lubricating oil onto the gear 16 and the rack 14 by the unidirectional liquid outlet pipe 8, so that the gear 16, the rack 14 and the internal components of the lock body 1 are oiled and maintained, the lubrication degree of the internal components is ensured, the internal components of the lock body 1 can be prevented from rusting, and the service life of the device is greatly prolonged.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a transformer earthing cabinet switch lock, includes lock body (1) and lock core (21), its characterized in that, cavity (10) have been seted up to the inside of lock body (1), rotationally be connected with rotor plate (15) on the inner wall of cavity (10), hanging groove (17) have been seted up to the lower extreme of rotor plate (15), be provided with on the lateral wall of lock core (21) with hanging groove (17) matched with peg (20), pump cavity (13) and compression chamber (5) have still been seted up to the inside of lock body (1), fixedly connected with electro-magnet (3) on the inner wall of compression chamber (5), sliding connection has magnetic piston (4) in compression chamber (5), through first spring (6) elastic connection between the lower extreme of magnetic piston (4) and the inner wall of compression chamber (5), through hole (11) intercommunication between rotor plate (5) and pump cavity (13), the inside of pump (13) is provided with pump cavity (13) is used for carrying out sliding connection to rotor plate (15) and the rack (14) on the inner wall (12) of rotation chamber (13) and the piston (14) of rotation mechanism (14) including the piston (12) are connected to it through the sliding connection, the rotary plate (15) is fixedly sleeved with a gear (16) at the rotary joint of the cavity (10), the gear (16) is meshed with the rack (14), the inner walls at the two ends of the lock body (1) are fixedly connected with fixing plates (18), and the two fixing plates (18) are respectively provided with a positioning mechanism for positioning the lock cylinder (21).
2. The transformer grounding cabinet switch lock according to claim 1, wherein the inner wall of the cavity (10) is provided with a through groove (9), and the rotating plate (15) penetrates through the through groove (9).
3. The transformer grounding cabinet switch lock according to claim 2, wherein the positioning mechanism comprises positioning grooves (19) respectively formed in two fixing plates (18), grooves (23) are formed in the upper end and the lower end of the lock cylinder (21), and positioning blocks (22) are slidably connected in the two grooves (23).
4. A transformer grounding cabinet switch lock according to claim 3, characterized in that the side wall of the lock body (1) is fixedly connected with a grounding sheet (2), and the grounding sheet (2) is electrically connected with the electromagnet (3).
5. The transformer grounding cabinet switch lock according to claim 4, wherein the lower ends of the two positioning blocks (22) are elastically connected with the inner wall of the same side groove (23) through two second springs (24), and the plurality of second springs (24) are pressure springs.
6. The transformer grounding cabinet switch lock according to claim 5, wherein the upper end of the lock body (1) is provided with a unidirectional liquid inlet pipe (7), the unidirectional liquid inlet pipe (7) is communicated with the compression cavity (5), a unidirectional liquid outlet pipe (8) is arranged on the inner wall of the compression cavity (5), the unidirectional liquid outlet pipe (8) is positioned above the gear (16), and the unidirectional liquid inlet pipe (7) is externally connected with a lubricating oil storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342235.XA CN115653408B (en) | 2022-10-30 | 2022-10-30 | Switch lock of transformer grounding cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211342235.XA CN115653408B (en) | 2022-10-30 | 2022-10-30 | Switch lock of transformer grounding cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN115653408A CN115653408A (en) | 2023-01-31 |
| CN115653408B true CN115653408B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211342235.XA Active CN115653408B (en) | 2022-10-30 | 2022-10-30 | Switch lock of transformer grounding cabinet |
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| Country | Link |
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| CN (1) | CN115653408B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056660A (en) * | 2005-07-29 | 2007-03-08 | Miwa Lock Co Ltd | Locking/unlocking mechanism and key |
| KR20100100091A (en) * | 2009-03-05 | 2010-09-15 | 신종주 | The locking device for locker |
| CN102635278A (en) * | 2012-05-09 | 2012-08-15 | 邢台供电公司 | Anti-theft lock of transformer |
| CN109610953A (en) * | 2018-12-18 | 2019-04-12 | 天长市福骏金属制品有限公司 | A kind of machining center cooperation apparatus of permanent-magnetic door lock of power distribution cabinet |
| CN111833501A (en) * | 2020-08-17 | 2020-10-27 | 国家电网有限公司 | Power distribution equipment intelligent lock based on positioning topological graph and application thereof |
| CN213742779U (en) * | 2020-10-15 | 2021-07-20 | 江苏凡尚信息科技有限公司 | Door lock with remote unlocking function |
| CN213898497U (en) * | 2020-11-02 | 2021-08-06 | 瑞安市中力门窗五金有限公司 | Two point locks of interior division of intelligence |
| CN113389463A (en) * | 2021-07-02 | 2021-09-14 | 南京工业职业技术大学 | Big data storage device of high security |
-
2022
- 2022-10-30 CN CN202211342235.XA patent/CN115653408B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007056660A (en) * | 2005-07-29 | 2007-03-08 | Miwa Lock Co Ltd | Locking/unlocking mechanism and key |
| KR20100100091A (en) * | 2009-03-05 | 2010-09-15 | 신종주 | The locking device for locker |
| CN102635278A (en) * | 2012-05-09 | 2012-08-15 | 邢台供电公司 | Anti-theft lock of transformer |
| CN109610953A (en) * | 2018-12-18 | 2019-04-12 | 天长市福骏金属制品有限公司 | A kind of machining center cooperation apparatus of permanent-magnetic door lock of power distribution cabinet |
| CN111833501A (en) * | 2020-08-17 | 2020-10-27 | 国家电网有限公司 | Power distribution equipment intelligent lock based on positioning topological graph and application thereof |
| CN213742779U (en) * | 2020-10-15 | 2021-07-20 | 江苏凡尚信息科技有限公司 | Door lock with remote unlocking function |
| CN213898497U (en) * | 2020-11-02 | 2021-08-06 | 瑞安市中力门窗五金有限公司 | Two point locks of interior division of intelligence |
| CN113389463A (en) * | 2021-07-02 | 2021-09-14 | 南京工业职业技术大学 | Big data storage device of high security |
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| Publication number | Publication date |
|---|---|
| CN115653408A (en) | 2023-01-31 |
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