CN214379438U - Cabinet door interlocking structure of alternating current metal-enclosed switch cabinet - Google Patents
Cabinet door interlocking structure of alternating current metal-enclosed switch cabinet Download PDFInfo
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- CN214379438U CN214379438U CN202120662808.1U CN202120662808U CN214379438U CN 214379438 U CN214379438 U CN 214379438U CN 202120662808 U CN202120662808 U CN 202120662808U CN 214379438 U CN214379438 U CN 214379438U
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- lock
- door
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Abstract
The utility model discloses a cabinet door interlocking structure of an alternating current metal-enclosed switch cabinet, which comprises a metal-enclosed switch cabinet body, a cabinet door, a transmission box and a fixed frame, wherein the side wall of the metal-enclosed switch cabinet body is connected with the cabinet door through a hinge, a through groove is constructed on the cabinet door, a stop block is connected in the through groove through a hinge, and the transmission box and the fixed frame are fixedly installed on the inner wall of the cabinet door; the cabinet door lock is characterized in that a round hole is formed in one side, close to the cabinet door, of the transmission box, a rotating shaft is connected to the inner portion of the round hole, a transmission gear is fixedly mounted at one end, located in the transmission box, of the rotating shaft, the transmission gear is meshed with two racks, the two racks are fixedly connected with the two lock rods respectively, limiting plates are fixedly sleeved on the peripheries of the two lock rods, and rotating plates are rotatably connected to the peripheries of the rotating shaft through bolts. The cabinet door interlocking structure of the alternating-current metal closed switch cabinet is attractive in appearance, simple in structure, convenient to use and high in stability between the cabinet door and the switch cabinet.
Description
Technical Field
The utility model belongs to the technical field of the cubical switchboard, concretely relates to exchange cabinet door interlocking structure of metal enclosed switchgear.
Background
The AC metal enclosed switchgear is mainly used for receiving and distributing power of power plants, transformer substations, industrial and mining institutions and secondary transformer substations of power systems. In operation of such equipment, internal faults, such as three-phase short circuits, arcing of vacuum interrupters, and short circuits to ground, sometimes occur when a circuit breaker trolley is pushed from a test position to an operating position for operation. These several internal failures can result in internal component burnout, and a sharp increase in the temperature and pressure of the gas within the cabinet. If the operator operates with the front door of the switchgear opened, when the above-mentioned several internal troubles occur, the high-temperature gas flow is ejected from the opened front door with the metal melt, causing personal injury. On the contrary, if the front door is closed by an operator, the front door is high in structural strength and protection level and has a double-layer protection function, so that high-temperature airflow cannot break through the front door and can be sprayed out from a pressure relief channel arranged at the top of the equipment when a fault occurs, and the personal safety of the operator can be guaranteed by operating the breaker after the front door is closed.
In order to prevent an operator from entering the live switch cabinet by mistake, it is required that the upper and lower doors of the switch cabinet must be closed and opened according to a predetermined procedure. However, the upper and lower door interlocking structures of the existing alternating current metal-enclosed switch cabinet are complex, so that the operation failure rate is high.
Therefore, in order to meet the actual use requirement, the cabinet door interlocking structure of the alternating current metal closed switch cabinet needs to be designed and produced urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exchange cabinet door interlocking structure of metal enclosed switchgear to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a cabinet door interlocking structure of an alternating-current metal-enclosed switch cabinet comprises a metal-enclosed switch cabinet body, a cabinet door, a transmission box and a fixed frame, wherein the side wall of the metal-enclosed switch cabinet body is connected with the cabinet door through a hinge, a through groove is formed in the cabinet door, a stop block is connected in the through groove through a hinge, and the transmission box and the fixed frame are fixedly installed on the inner wall of the cabinet door;
a round hole is formed in one side, close to the cabinet door, of the transmission box, a rotating shaft is connected in the round hole in a rotating mode, a transmission gear is fixedly mounted at one end, located in the transmission box, of the rotating shaft, the transmission gear is meshed with and drives two racks, the two racks are fixedly connected with two lock rods respectively, limiting plates are fixedly sleeved on the peripheries of the two lock rods, a rotating plate is rotatably connected to the periphery of the rotating shaft through a bolt, and the rotating plate is located in a through groove in the cabinet door;
the inner wall of the cabinet door is fixedly provided with two arc-shaped rings through a plurality of screws, and the interiors of the two arc-shaped rings are connected with the periphery of the lock rod in a sliding manner;
a servo motor is fixedly installed in the fixing frame, an output shaft of the servo motor is connected with a threaded shaft, the threaded shaft is in threaded connection with a lock cylinder sleeve, and a square ring matched with the lock cylinder sleeve is fixedly installed inside the cabinet door;
the inside top and the bottom of metal-enclosed switchgear body all construct the locked groove with the locking lever adaptation, and two equal fixed mounting in locked groove have pressure sensor, and pressure sensor passes through PLC and servo motor electric connection, the inside lateral wall of metal-enclosed switchgear body is constructed the square groove with lock barrel casing adaptation.
Preferably, a coded lock is fixedly installed on the cabinet door.
Preferably, the two lock rods are symmetrically arranged around the transmission gear.
Preferably, the lock cylinder sleeve is constructed with a cuboid structure, and the lock cylinder sleeve is constructed with internal threads, and the periphery of the lock cylinder sleeve is in sliding connection with the inner periphery of the square ring.
Preferably, the side wall of the block is integrally formed with a handle, and the cross section of the handle is configured to be semicircular.
The utility model discloses a technological effect and advantage: according to the cabinet door interlocking structure of the alternating-current metal closed switch cabinet, the rotating plate can be rotatably accommodated in the through groove and cannot protrude out of the surface of the cabinet door, so that the space is saved, and the shielding effect is more attractive through the stop block; the rotating plate is rotated to drive the rotating shaft and the transmission gear to rotate, and the two racks move in opposite directions to enable the lock rod to be inserted into the lock groove so as to fix the cabinet door, so that the cabinet door is simple in structure, convenient to use and convenient to maintain; when pressure sensor in the locked groove detects the extrusion force of dead bolt to the locked groove, send the instruction to servo motor through PLC, servo motor's output shaft drives the screw shaft and rotates, and the screw thread is changeed and is makeed lock barrel cover to square groove one side and remove and insert in the square groove for stability between cabinet door and the metal-enclosed switchgear body is higher, this exchange metal-enclosed switchgear's cabinet door interlocking structure, and is aesthetic in appearance, simple structure and facilitate the use, and stability between cabinet door and the cubical switchboard is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention;
fig. 4 is a schematic structural diagram of the transmission box of the present invention.
In the figure: the metal-enclosed switch cabinet comprises a metal-enclosed switch cabinet body 1, a cabinet door 2, a stop block 3, a transmission box 4, a rotating shaft 5, a rotating plate 6, a transmission gear 7, a lock rod 8, a limiting plate 9, an arc-shaped ring 10, a fixing frame 11, a servo motor 12, a threaded shaft 13, a lock cylinder sleeve 14 and a square ring 15.
Detailed Description
For simple and convenient opening and closing cabinet door 2, reduce interlocking device's fault rate, the utility model provides an exchange metal-enclosed switchgear's cabinet door interlocking structure as shown in fig. 1-4, including metal-enclosed switchgear body 1, cabinet door 2, transmission box 4 and fixed frame 11, there is cabinet door 2 lateral wall of metal-enclosed switchgear body 1 through hinged joint, is constructed logical groove on the cabinet door 2, and has dog 3 through hinged joint in leading to the inslot, and the inner wall fixed mounting of cabinet door 2 has transmission box 4 and fixed frame 11.
In order to make the structure simple and the use more convenient, referring to the attached drawings 2 and 4, a round hole is constructed on one side of the transmission box 4 close to the cabinet door 2, a rotating shaft 5 is connected in the round hole in a rotating manner, a transmission gear 7 is fixedly installed at one end of the rotating shaft 5 positioned in the transmission box 4, the transmission gear 7 is meshed with and drives two racks, the two racks are respectively and fixedly connected with two lock rods 8, the two lock rods 8 are symmetrically arranged about the transmission gear 7, a limiting plate 9 is fixedly sleeved on the peripheries of the two lock rods 8, a rotating plate 6 is rotatably connected on the periphery of the rotating shaft 5 through a bolt, the rotating plate 6 is positioned in a through groove on the cabinet door 2, two arc rings 10 are fixedly installed on the inner wall of the cabinet door 2 through a plurality of screws, the insides of the two arc rings 10 are both in sliding connection with the peripheries of the lock rods 8, the rotating plate 6 drives the rotating shaft 5 and the transmission gear 7 to rotate, the transmission gear 7 drives the two racks to rotate reversely, the cabinet door 2 is fixedly connected with the metal closed switch cabinet body 1 through the lock rod 8.
In order to improve the stability under the state of closing the door, refer to fig. 2 and fig. 3, fixed mounting has servo motor 12 in the fixed frame 11, the output shaft of servo motor 12 has screw shaft 13, screw shaft 13 threaded connection has lock barrel casing 14, the inside fixed mounting of cabinet door 2 has the square ring 15 with lock barrel casing 14 adaptation, lock barrel casing 14 is constructed and is had the cuboid structure, and lock barrel casing 14 is constructed the internal thread, the periphery of lock barrel casing 14 and the interior circumference sliding connection of square ring 15, the inside top of metal-enclosed switchgear body 1 and bottom all construct the locked groove with 8 adaptations of locking lever, and equal fixed mounting has pressure sensor in two locked grooves, and pressure sensor passes through PLC and servo motor 12 electric connection, the inside lateral wall of metal-enclosed switchgear body 1 is constructed the square groove with lock barrel casing 14 adaptations.
The theory of operation, this exchange cabinet door interlocking structure of metal-enclosed switchgear, when needing to open cabinet door 2 under the state of closing the door, upwards turn dog 3, it rotates commentaries on classics board 6 to change board 6 to the horizontality afterwards, it rotates to change board 6 and drive pivot 5 and drive gear 7, thereby it withdraws from the locked groove to drive locking lever 8, pressure sensor in the locked groove can not detect pressure signal this moment, PLC sends the instruction of opening the door to servo motor 12, servo motor 12 drives threaded shaft 13 and rotates, make and screw shaft 13 threaded connection's lock barrel 14 withdraw from the square groove, can open cabinet door 2 this moment, above-mentioned operation is opposite when needing to close cabinet door 2.
Claims (5)
1. The utility model provides an exchange cabinet door interlocking structure of metal-enclosed switchgear, includes metal-enclosed switchgear body (1), cabinet door (2), transmission box (4) and fixed frame (11), its characterized in that: the side wall of the metal closed switch cabinet body (1) is connected with a cabinet door (2) through a hinge, a through groove is formed in the cabinet door (2), a stop block (3) is connected in the through groove through a hinge, and a transmission box (4) and a fixed frame (11) are fixedly installed on the inner wall of the cabinet door (2);
a round hole is formed in one side, close to the cabinet door (2), of the transmission box (4), a rotating shaft (5) is connected in the round hole in a rotating mode, a transmission gear (7) is fixedly installed at one end, located in the transmission box (4), of the rotating shaft (5), the transmission gear (7) is meshed with and drives two racks, the two racks are fixedly connected with two lock rods (8) respectively, limiting plates (9) are fixedly sleeved on the peripheries of the two lock rods (8), a rotating plate (6) is connected to the periphery of the rotating shaft (5) in a rotating mode through bolts, and the rotating plate (6) is located in a through groove in the cabinet door (2);
the inner wall of the cabinet door (2) is fixedly provided with two arc-shaped rings (10) through a plurality of screws, and the interiors of the two arc-shaped rings (10) are in sliding connection with the periphery of the lock rod (8);
a servo motor (12) is fixedly installed in the fixing frame (11), an output shaft of the servo motor (12) is connected with a threaded shaft (13), the threaded shaft (13) is in threaded connection with a lock cylinder sleeve (14), and a square ring (15) matched with the lock cylinder sleeve (14) is fixedly installed in the cabinet door (2);
the top and the bottom of metal-enclosed switchgear body (1) inside all are constructed the locked groove with locking lever (8) adaptation, and equal fixed mounting has pressure sensor in two locked grooves, and pressure sensor passes through PLC and servo motor (12) electric connection, the lateral wall of metal-enclosed switchgear body (1) inside is constructed the square groove with lock barrel casing (14) adaptation.
2. The interlocking structure of the door of the AC metal-enclosed switchgear cabinet according to claim 1, wherein: and a coded lock is fixedly arranged on the cabinet door (2).
3. The interlocking structure of the door of the AC metal-enclosed switchgear cabinet according to claim 1, wherein: the two lock rods (8) are symmetrically arranged relative to the transmission gear (7).
4. The interlocking structure of the door of the AC metal-enclosed switchgear cabinet according to claim 1, wherein: the lock cylinder sleeve (14) is of a cuboid structure, the lock cylinder sleeve (14) is of an internal thread, and the periphery of the lock cylinder sleeve (14) is in sliding connection with the inner periphery of the square ring (15).
5. The interlocking structure of the door of the AC metal-enclosed switchgear cabinet according to claim 1, wherein: the side wall of the stop block (3) is integrally formed with a handle, and the cross section of the handle is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662808.1U CN214379438U (en) | 2021-04-01 | 2021-04-01 | Cabinet door interlocking structure of alternating current metal-enclosed switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120662808.1U CN214379438U (en) | 2021-04-01 | 2021-04-01 | Cabinet door interlocking structure of alternating current metal-enclosed switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214379438U true CN214379438U (en) | 2021-10-08 |
Family
ID=77973847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120662808.1U Expired - Fee Related CN214379438U (en) | 2021-04-01 | 2021-04-01 | Cabinet door interlocking structure of alternating current metal-enclosed switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214379438U (en) |
-
2021
- 2021-04-01 CN CN202120662808.1U patent/CN214379438U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |