CN216212993U - Switch cabinet with interlocking mechanism - Google Patents
Switch cabinet with interlocking mechanism Download PDFInfo
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- CN216212993U CN216212993U CN202122434739.1U CN202122434739U CN216212993U CN 216212993 U CN216212993 U CN 216212993U CN 202122434739 U CN202122434739 U CN 202122434739U CN 216212993 U CN216212993 U CN 216212993U
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- interlocking
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Abstract
The utility model provides a switch cabinet with an interlocking mechanism, which comprises a switch cabinet body and the interlocking mechanism, wherein the switch cabinet body is provided with a grounding switch, an isolating switch and a lower door; the interlocking cam is arranged on the grounding switch and can drive the elastic locking assembly to move downwards; the isolating switch baffle and the grounding switch baffle are arranged on the locking frame in a vertically moving mode, and the isolating switch baffle is provided with an isolating switch blocking part; the grounding switch baffle is provided with an edge locking rod and a grounding switch blocking part; the central lock hanging plate is connected with the elastic locking assembly and is provided with a central hanging lock pin which can be inserted into a central lock hole of the lower door; the side lock hanging plate is connected with the side lock rod and is provided with a side lock hanging lock pin which can be inserted into a side lock hole of the lower door. The utility model can improve the safety and reliability of misoperation prevention.
Description
Technical Field
The utility model relates to the field of switch cabinets, in particular to a switch cabinet with an interlocking mechanism.
Background
Along with the development of the power industry, the requirement of users on electric appliances for five-prevention of the switch cabinet body is higher and higher, and front lower door interlocking is a set of important interlocking for ensuring the five-prevention of the high-voltage cabinet body. Earthing switch and isolator are the essential element of cubical switchboard, when operating personnel overhauls the cubical switchboard, for guaranteeing operating personnel's safety, must open the cabinet door with earthing switch closed back, strict operation isolator when opening the cabinet door simultaneously, and after cabinet door locking was closed, earthing switch could break off. The traditional method for the switch cabinet in the prior art is that an opening sliding slot hole is formed in a lower door of the switch cabinet, and a pin shaft is driven by a group of pull ropes to slide into and leave the sliding slot hole in the switch cabinet door when the grounding switch is switched on and switched off so as to limit the lower door of the switch cabinet to be opened. However, the structure has poor action reliability, and the lower door of the switch cabinet can be opened by pulling the lower door of the switch cabinet. When closing the cabinet door, often forget to operate the earthing switch and open, in addition, have the risk that the isolator of operatable closed a floodgate when opening the cabinet door, have very big danger.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a switch cabinet with an interlocking mechanism, which adopts a mechanical hard interlocking mode to forcibly interlock a lower door so as to ensure the safety and reliability of misoperation prevention of the lower door.
In order to achieve the purpose, the switch cabinet with the interlocking mechanism comprises a switch cabinet body, wherein the switch cabinet body is provided with a grounding switch, an isolating switch and a lower door, the grounding switch comprises a grounding rotating shaft, the switch cabinet further comprises the interlocking mechanism, the interlocking mechanism comprises a locking frame, an interlocking cam, an isolating switch baffle, a grounding switch baffle, a central locking hanging plate and a side locking hanging plate, the locking frame comprises a longitudinal plate part and a transverse plate part, the longitudinal plate part is positioned on one side of the grounding switch, the transverse plate part is positioned below the grounding switch, and an elastic locking component is arranged on the transverse plate part; the interlocking cam is arranged on the grounding rotating shaft and is positioned above the elastic locking assembly, and the interlocking cam can drive the elastic locking assembly to move downwards; the isolation switch baffle is arranged on the locking frame in a manner of moving up and down, and the upper part of the isolation switch baffle is provided with an isolation switch blocking part for blocking the operation of the isolation switch; the grounding switch baffle is fixedly connected with the isolating switch baffle, the grounding switch baffle is provided with an edge locking rod and a grounding switch blocking part, the grounding switch blocking part is used for blocking the grounding switch blocking part for operating the grounding rotating shaft, the edge locking rod penetrates through the transverse plate part to extend downwards, and the edge locking rod is positioned on one side of the elastic locking assembly; the upper part of the central lock hanging plate is connected with the elastic locking assembly, the lower part of the central lock hanging plate is provided with a central hanging lock pin, and the central hanging lock pin can be inserted into a central lock hole of the lower door; the upper part of the side lock hanging plate is connected with the side lock rod, the lower part of the side lock hanging plate is provided with a side lock hanging lock pin, and the side lock hanging lock pin can be inserted into a side lock hole of the lower door.
According to the scheme, the isolating switch baffle and the grounding switch baffle are interlocked with the side lock rod, the side lock rod drives the side lock hanging lock pin to be inserted into or pulled out of the side lock hole of the lower door through the side lock hanging plate, and the interlocking cam is arranged on the grounding rotating shaft and drives the central lock pin to be inserted into or pulled out of the central lock hole of the lower door through the elastic locking assembly and the central lock hanging plate; when only the side lock padlock pin is pulled out of the side lock hole, the isolating switch baffle and the grounding switch baffle respectively block the isolating switch and the grounding switch to prevent misoperation of workers, and at the moment, the interlocking cam keeps the action of pressing the elastic locking assembly downwards, so that the central padlock pin is always inserted into the central lock hole, and the lower door cannot be opened; when an operator controls the isolating switch baffle and the grounding switch baffle to move downwards and further controls the side lock rod to drive the side lock hanging lock pin to be inserted into the side lock hole, at the moment, the isolating switch and the grounding switch are exposed outside, the operator can operate the grounding rotating shaft to rotate and further drive the interlocking cam to rotate, so that the downward pressure of the interlocking cam on the elastic locking assembly is cancelled, the elastic locking assembly moves upwards and further the central lock pin is pulled out of the central lock hole, then the operator manually controls the side lock rod to move upwards so that the side lock hanging lock pin is pulled out of the side lock hole, and only after the side lock hanging lock pin and the central lock pin are simultaneously pulled out of the corresponding lock holes, the lower door can be opened; the mechanical hard interlocking device controls the opening and closing of the lower door, and compared with the pull rope interlocking in the prior art, the mechanical hard interlocking device has higher safety and reliability.
The further scheme is that the elastic locking assembly comprises a central locking rod, a central locking sleeve and a first elastic piece, the central locking sleeve is arranged on the transverse plate part, the central locking rod can be inserted into the central locking sleeve in a vertically moving mode, and the first elastic piece is elastically abutted between the upper part of the central locking rod and the central locking sleeve.
The further scheme is that an interlocking plate is arranged between the central locking hanging plate and the side locking hanging plate, the first end of the interlocking plate is fixedly connected with the central locking hanging plate, an interlocking sliding groove is formed in the middle of the interlocking plate, an interlocking connecting piece is arranged on the side locking hanging plate, the interlocking connecting piece penetrates through the interlocking sliding groove to be connected with the side locking hanging plate, the interlocking connecting piece can move up and down relative to the interlocking sliding groove, and a clamping locking portion is arranged at the second end of the interlocking plate and protrudes out of the side locking hanging plate.
The further scheme is that interlocking device still includes the bracket component, and the bracket component setting is in the lower door top, and the bracket component includes mounting bracket, slider and second elastic component, but the slider sets up on the mounting bracket with horizontal migration, and the tip of slider stops to set up in the below of limit lock padlock pin with stopping, and second elastic component elasticity butt is between slider and mounting bracket, and the slider is provided with the portion of stirring, and the outside of mounting bracket is stretched out to the portion of stirring.
It is obvious by above-mentioned scheme, stretch out through setting up the slider, can be used to the bearing and block that the side lock padlock round pin is unexpected to move down for earthing switch baffle and isolator baffle keep for a long time and block the on-off state, prevent under the lower door opening state, isolator and earthing switch combined floodgate are favorable to improving the security performance.
Drawings
FIG. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a side view of an embodiment of the present invention.
Fig. 3 is a structural view of the disconnecting switch barrier and the earthing switch barrier moving downwards in the embodiment of the present invention.
Fig. 4 is a structural view of the blocking operation of the disconnecting switch barrier and the earthing switch barrier in the embodiment of the present invention.
Fig. 5 is a block diagram of a ground switch shield, edge lock padlock plate and edge lock padlock pin in an embodiment of the utility model.
Fig. 6 is a block diagram of a bracket assembly in an embodiment of the utility model.
FIG. 7 is a block diagram of the coupling cam, central locking bar, central padlock plate and central padlock pin in an embodiment of the present invention.
The utility model is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1 to 4, the switch cabinet with the interlocking mechanism provided in this embodiment includes a switch cabinet body and the interlocking mechanism, the switch cabinet body is provided with a grounding switch, an isolating switch 2, a middle partition plate 40 and a lower door 30, the middle partition plate 40 divides the switch cabinet body into an upper chamber and a lower chamber, the lower door 30 is located below the middle partition plate 40, and the grounding switch includes a grounding rotating shaft 1. The interlocking mechanism comprises a locking frame 5, an interlocking cam 11, an isolating switch baffle 6, a grounding switch baffle 7, a central lock hanging plate 8 and an edge lock hanging plate 9.
The locking frame 5 comprises a vertical plate part 51 and a horizontal plate part 52 which are vertically connected, the vertical plate part 51 is positioned at the left side of the grounding rotating shaft 1, the vertical plate part 51 is connected with a first connecting piece 511 and a locking part 512, the locking part 512 protrudes forwards, and the locking part 512 is provided with a fixed connecting hole. The horizontal plate portion 52 is located below the grounding rotating shaft 1, the horizontal plate portion 52 is provided with the elastic locking assembly 4, and the elastic locking assembly 4 is located right below the grounding rotating shaft 1.
The interlocking cam 11 is arranged on the grounding rotating shaft 1 and is positioned right above the elastic locking assembly 4, and the interlocking cam 11 can drive the elastic locking assembly 4 to move downwards.
The grounding switch baffle 7 is fixedly connected with the isolating switch baffle 6, namely the grounding switch baffle 7 can move up and down synchronously along with the isolating switch baffle 6. The ground switch baffle 7 is provided with a ground switch blocking part 71 and two side lock bars 72, the ground switch blocking part 71 is used for blocking the ground switch blocking part 71 which operates the ground rotating shaft 1, the ground switch blocking part 71 is set to be a semicircular groove, the diameter of the groove is slightly larger than that of the end part of the ground rotating shaft 1, but is smaller than that of a tool used for controlling the rotation of the ground rotating shaft 1, so that the tool cannot be sleeved on the ground rotating shaft 1. The side lock bar 72 extends in the vertical direction, the side lock bar 72 extends downward through the horizontal plate portion 52, and the two side lock bars 72 are respectively located at the left and right sides of the elastic locking assembly 4.
Referring to fig. 7 in conjunction with fig. 1, the center clevis plate 8 includes a first upper crossbar 81, a first vertical arm 82, and a first lower crossbar 83, and the first upper crossbar 81 and the first lower crossbar 83 are connected to both ends of the first vertical arm 82 in parallel. The first upper crossbar 81 is fixedly connected to the elastic locking assembly 4, the first lower crossbar 83 is provided with a central latch pin 84 extending in the vertical direction, and the central latch pin 84 can be inserted into a central latch hole of the lower door 30.
The elastic locking assembly 4 comprises a central locking rod 41, a central locking sleeve 42 and a first elastic member 43, the central locking sleeve 42 is arranged on the transverse plate portion 52, the central locking rod 41 can be inserted into the central locking sleeve 42 in a vertically moving mode, a stop ring is arranged on the upper portion of the central locking rod 41, the outer diameter of the stop ring is larger than the diameter of the central locking rod 41, and the first elastic member 43 is sleeved on the upper portion of the central locking rod 41 and elastically abutted between the stop ring and the central locking sleeve 42. The convex part of the interlocking cam 11 can be abutted against the upper end part of the central lock rod 41 to drive the central lock rod 41 to move downwards relative to the central lock sleeve 42 so as to drive the central lock hanging plate 8 to move downwards, so that the central hanging lock pin 84 is inserted into the central lock hole; when the protrusion of the interlock cam 11 is separated from the upper end of the center locking bar 41, the center locking bar 41 automatically moves upward by the first elastic member 43 to return to the initial position, and the center locking pin 84 is withdrawn from the center locking hole.
Referring to fig. 5 in conjunction with fig. 1, the edge-shackle plate 9 includes a second upper cross arm 91, a second vertical arm 92, and a second lower cross arm 93, and the second upper cross arm 91 and the second lower cross arm 93 are connected to both ends of the second vertical arm 92 in parallel. The second upper cross arm 91 is fixedly connected with the side lock rod 72, the second lower cross arm 93 is provided with a side lock padlock pin 94 extending along the vertical direction, the side lock padlock pin 94 can be inserted into a side lock hole of the lower door 30, and the side lock hole is positioned at one side of the central lock hole.
In fig. 2, an interlocking plate 10 is arranged between a central locking link plate 8 and a side locking link plate 9, a first end of the interlocking plate 10 is fixedly connected with the central locking link plate 8, two interlocking chutes 101 extending in the up-down direction are arranged in the middle of the interlocking plate 10, two interlocking connectors are arranged on the side locking link plate 9, the interlocking connectors and the interlocking chutes 101 are arranged in a one-to-one correspondence manner, the interlocking connectors penetrate through the interlocking chutes 101 to be connected with the side locking link plate 9 and can move up and down relative to the interlocking chutes 101, a latch portion 102 is arranged at a second end of the interlocking plate 10, and the latch portion 102 protrudes out of the side locking link plate 9.
Referring to fig. 5 and 6, the interlocking mechanism further includes a bracket assembly 20, and the bracket assembly 20 is disposed on the intermediate partition 40 above the lower door 30. The bracket assembly 20 comprises a mounting frame 201, a sliding block 202 and a second elastic piece 203, the mounting frame 201 is fixedly connected with the intermediate partition 40, the sliding block 202 is horizontally movably arranged on the mounting frame 201, the second elastic piece 203 elastically abuts between the sliding block 202 and the mounting frame 201, the sliding block 202 is provided with a toggle portion 2021, and the toggle portion 2021 extends out of the outer side of the mounting frame 201. Specifically, the rear end of the slider 202 is provided with an avoiding hole 2022, the rear side of the avoiding hole 2022 is provided with a third connecting hole, the rear side of the mounting frame 201 is provided with a fourth connecting hole, and two ends of the second elastic member 203 are connected with the third connecting hole and the fourth connecting hole respectively. Normally, the front end of the slider 202 protrudes out of the front side of the mounting bracket 201 and is located directly below the side lock padlock pin 94 to block the side lock padlock pin 94 from moving downward. If desired, the toggle portion 2021 may be pushed rearwardly so that the slide block 202 compresses the second resilient member 203 rearwardly, at which time the side lock padlock pin 94 may be inserted downwardly into the side lock aperture through the slide block 202.
In conclusion, the side lock rod of the utility model drives the side lock hanging lock pin to be inserted into or drawn out of the side lock hole of the lower door through the side lock hanging plate, and the elastic locking assembly is inserted into or drawn out of the central lock hole of the lower door through the central lock hanging plate; by arranging the isolating switch baffle and the grounding switch baffle to be interlocked with the side lock rod, when only the side lock padlock pin is pulled out of the side lock hole, the isolating switch baffle and the grounding switch baffle respectively block the isolating switch and the grounding switch to prevent misoperation of workers, and at the moment, the interlocking cam keeps the action of pressing the elastic locking assembly down, so that the central hanging lock pin is inserted into the central lock hole all the time, and the lower door cannot be opened; when the worker receives the control that the isolating switch baffle and the grounding switch baffle move downwards and the side lock rod drives the side lock hanging lock pin to be inserted into the side lock hole, at the moment, the isolating switch and the grounding switch are exposed outside, the worker can operate the grounding rotating shaft to rotate and further drive the interlocking cam to rotate, the downward pressure of the interlocking cam on the elastic locking assembly is cancelled, the elastic locking assembly moves upwards, the central lock pin is pulled out of the central lock hole, then, the worker manually controls the side lock rod to move upwards, the side lock hanging lock pin is pulled out of the side lock hole, and the lower door can be opened; the mechanical hard interlocking device controls the opening and closing of the lower door, and compared with the pull rope interlocking in the prior art, the mechanical hard interlocking device has higher safety and reliability.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, not limitations, and various changes and modifications may be made by those skilled in the art, without departing from the spirit and scope of the utility model, and any changes, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be embraced therein.
Claims (4)
1. The utility model provides a take interlocking device's cubical switchboard, includes the cubical switchboard body, the cubical switchboard body is provided with earthing switch, isolator and lower door, earthing switch includes the ground connection pivot, its characterized in that, the cubical switchboard still includes interlocking device, interlocking device includes:
the locking frame comprises a longitudinal plate part and a transverse plate part, the longitudinal plate part is positioned on one side of the grounding switch, the transverse plate part is positioned below the grounding switch, and the transverse plate part is provided with an elastic locking assembly;
the interlocking cam is arranged on the grounding rotating shaft and is positioned above the elastic locking assembly, and the interlocking cam can drive the elastic locking assembly to move downwards;
the isolation switch baffle is arranged on the locking frame in a vertically movable manner, and an isolation switch blocking part for blocking the operation of the isolation switch is arranged at the upper part of the isolation switch baffle;
the grounding switch baffle is fixedly connected with the isolating switch baffle and provided with an edge locking rod and a grounding switch blocking part, the grounding switch blocking part is used for blocking the grounding switch blocking part for operating the grounding rotating shaft, the edge locking rod penetrates through the transverse plate part to extend downwards, and the edge locking rod is positioned on one side of the elastic locking assembly;
the upper part of the central locking hanging plate is connected with the elastic locking assembly, and the lower part of the central locking hanging plate is provided with a central hanging lock pin which can be inserted into a central lock hole of the lower door;
the side lock hanging plate is characterized in that the upper portion of the side lock hanging plate is connected with the side lock rod, a side lock hanging lock pin is arranged on the lower portion of the side lock hanging plate, and the side lock hanging lock pin can be inserted into the side lock hole of the lower door.
2. The switchgear cabinet according to claim 1, characterized in that:
the elastic locking assembly comprises a central locking rod, a central locking sleeve and a first elastic piece, the central locking sleeve is arranged on the transverse plate part, the central locking rod is inserted into the central locking sleeve in a vertically moving mode, and the first elastic piece is sleeved on the upper portion of the central locking rod and elastically abutted between the upper portion of the central locking rod and the central locking sleeve.
3. The switchgear cabinet according to claim 1, characterized in that:
the central link plate with be provided with the interlocking board between the side lock link plate, the first end of interlocking board with the central link plate links firmly, the middle part of interlocking board is provided with the interlocking spout, the side lock link plate is provided with the interlocking connecting piece, the interlocking connecting piece passes the interlocking spout with the side lock link plate is connected, the interlocking connecting piece can be relative the interlocking spout reciprocates, the second end of interlocking board is provided with the latch portion, the latch portion protrusion the side lock link plate.
4. A switchgear cabinet according to any of claims 1 to 3, characterized in that:
interlocking device still includes the bracket component, the bracket component sets up the lower door top, the bracket component includes mounting bracket, slider and second elastic component, but the slider sets up with horizontal migration on the mounting bracket, just the tip of slider blocks to set up the below of limit lock hanging lock round pin, second elastic component elasticity butt is in the slider with between the mounting bracket, the slider is provided with stirring portion, stirring portion stretches out the outside of mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434739.1U CN216212993U (en) | 2021-10-09 | 2021-10-09 | Switch cabinet with interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434739.1U CN216212993U (en) | 2021-10-09 | 2021-10-09 | Switch cabinet with interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216212993U true CN216212993U (en) | 2022-04-05 |
Family
ID=80862796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122434739.1U Active CN216212993U (en) | 2021-10-09 | 2021-10-09 | Switch cabinet with interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216212993U (en) |
-
2021
- 2021-10-09 CN CN202122434739.1U patent/CN216212993U/en active Active
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