CN217386987U - Interlocking device and switch cabinet - Google Patents
Interlocking device and switch cabinet Download PDFInfo
- Publication number
- CN217386987U CN217386987U CN202221191631.2U CN202221191631U CN217386987U CN 217386987 U CN217386987 U CN 217386987U CN 202221191631 U CN202221191631 U CN 202221191631U CN 217386987 U CN217386987 U CN 217386987U
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- operating shaft
- operation axle
- door
- interlocking device
- cabinet body
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Abstract
The utility model belongs to the technical field of high tension switchgear, a interlocking device and cubical switchboard are disclosed. The interlocking device comprises a rear locking mechanism and a front locking mechanism; a rear latch mechanism configured to latch the rear door, including a rear operating shaft; preceding latch mechanism includes operation axle and drive lever group before first preceding operation axle, the second, and operation axle and back operation axle are coaxial continuous before first preceding operation axle, rotate to connect in the qianmen, and operation axle and first preceding operation axle are parallel to each other the interval setting before the second, rotate to connect in the cabinet body, and operation axle before first preceding operation axle and the second is organized to the drive lever, and operation axle rotates before the second, drives operation axle and back operation axle and rotates before first. This interlocking device can realize shutting and unblock in the time of the front and back cabinet door of cubical switchboard, has further strengthened the security performance of cubical switchboard, prevents to cause bodily injury to constructor.
Description
Technical Field
The utility model relates to a high tension switchgear technical field especially relates to an interlocking device and cubical switchboard.
Background
In order to protect the personal safety and equipment safety of field operators, the ac high-voltage switch cabinet needs to be provided with an earthing switch, and the earthing switch is usually provided with an earthing switch interlocking device for preventing misoperation. The earthing switch is a mechanical earthing device which releases the static electricity of the overhauled equipment and the return circuit and ensures the personal safety of the maintainers during power-off overhaul. Due to the diversified demands of users, the switch cabinet internal grounding switch and the lock mechanism in the power distribution system are required to mechanically lock the cabinet rear door, and the cabinet front door is also required to be mechanically locked.
The prior art provides a connecting rod type earthing switch interlocking device, which can only realize simple and labor-saving operation and control of an earthing switch, cannot realize simultaneous locking and unlocking of a front door and a rear door of a switch cabinet, and cannot ensure the safety performance of the switch cabinet.
Therefore, an interlocking device and a switch cabinet are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
According to the utility model discloses an aspect, aim at provides an interlocking device, this interlocking device can realize shutting and unblock in the time of the front and back cabinet door of cubical switchboard, has further strengthened the security performance of cubical switchboard, prevents to cause bodily injury to constructor.
To achieve the purpose, the utility model adopts the following technical proposal:
an interlock device comprising a rear latch mechanism configured to latch a rear door, including a rear operating shaft, and a front latch mechanism; preceding latch mechanism includes operation axle and drive rod group before first preceding operation axle, the second, first preceding operation axle with back operation axle is coaxial to be linked to each other, rotates to be connected in the qianmen, the operation axle before the second with first preceding operation axle is parallel to each other the interval sets up, rotates to be connected in the cabinet body, drive rod group connect in first preceding operation axle with operation axle before the second, operation axle rotates before the second, drives first preceding operation axle with back operation axle rotates.
Optionally, the front locking mechanism further comprises an operating rod, an operating hole is formed in the cabinet body corresponding to the mounting position of the second front operating shaft, and the operating rod is inserted in the operating hole and coaxially connected with the second front operating shaft.
Optionally, the front latching mechanism further comprises a locking assembly, the locking assembly comprises a clamping plate and a rotating sheet, the clamping plate is mounted on the inner side of the front door, the rotating sheet is rotatably connected to the front door, the first front operating shaft can be inserted into the clamping plate and controls the rotating sheet to rotate and be clamped to the cabinet body.
Optionally, the transmission rod assembly includes a transmission rod portion, a first connection portion and a second connection portion, the first connection portion is connected to the first front operating shaft, the second connection portion is connected to the second front operating shaft, and the transmission rod portion is connected to the first connection portion and the second connection portion.
Optionally, the first connecting portion includes a first fixed portion and a first movable portion connected to each other, the first fixed portion is fixedly sleeved on the first front operating shaft, and the first movable portion is rotatably connected to the transmission rod portion;
the second connecting portion include interconnect's second fixed part and second movable part, the second fixed part be the angle link firmly in operating shaft before the second, the second movable part rotate connect in the second fixed part with drive rod portion.
Optionally, the front latching mechanism further comprises an elastic member mounted on an inner side of the front door, facing an end position of the first front operating shaft.
Optionally, the rear latch mechanism further comprises a rear locking portion mounted to the rear door, the rear operating shaft being rotatably connected to the rear locking portion.
Optionally, the interlocking device further includes an earthing switch, the earthing switch is located in the cabinet body and connected to the rear locking mechanism, the rear operating shaft rotates, and the earthing switch acts to control locking or unlocking of the rear locking mechanism.
According to the utility model discloses a switch cabinet, aim at provides a switch cabinet, switch cabinet includes cabinet body, qianmen and back door, still includes that above-mentioned scheme is arbitrary the interlock, the qianmen with the back door articulate respectively in both sides around the cabinet body, the interlock set up in the qianmen with between the back door.
Optionally, the switch cabinet further includes an inner side plate and a middle support plate, the middle support plate is vertically and fixedly connected to the inner side plate, and the first front operating shaft and the second front operating shaft are both rotatably arranged through the middle support plate.
The utility model has the advantages that:
the utility model provides an interlocking device sets up the function that original cubical switchboard back door shutting was realized to back blocked mechanical system. The second front operating shaft is arranged to control locking and unlocking of the rear door by operation in front of the cabinet. The first front operating shaft is coaxially connected with the rear operating shaft, and the rear operating shaft, the first front operating shaft and the second front operating shaft are connected through the transmission rod set to achieve transmission. When the second front operating shaft rotates around the axis of the second front operating shaft, the first front operating shaft and the rear operating shaft rotate simultaneously, and the rear operating shaft is connected to the rear door and the first front operating shaft is connected to the front door, so that simultaneous locking and simultaneous unlocking of the rear door and the front door can be realized. Can prevent that constructor from opening the danger that the qianmen caused the electric shock by mistake under the circular telegram circumstances, further strengthen the security performance of cubical switchboard, prevent to cause bodily injury to constructor.
Drawings
Fig. 1 is a side view of an interlocking device provided in an embodiment of the present invention;
fig. 2 is a front view of a switch cabinet provided by an embodiment of the present invention;
fig. 3 is a side view of the internal structure of the switch cabinet provided by the embodiment of the present invention.
In the figure:
10. a rear door; 20. a front door; 30. a cabinet body; 40. an inner side plate; 50. a middle support plate;
100. a rear locking mechanism; 110. a rear operating shaft; 120. a rear locking portion;
200. a front latching mechanism; 210. a first front operating shaft; 220. a second front operating shaft; 230. a drive rod group; 231. a drive rod part; 232. a first fixed part; 233. a first movable portion; 234. a second fixed part; 235. a second movable portion;
300. and a grounding switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Referring to fig. 1-3, the present embodiment provides an interlock device and a switchgear. The switch cabinet comprises a rear door 10, a front door 20 and a cabinet body 30. The rear door 10, the front door 20 and the cabinet body 30 are enclosed to form a cabinet inner space, the interlocking device is located in the cabinet inner space and can be connected with the rear door 10 and the front door 20 to realize linkage of the rear door 10 and the front door 20, and when the rear door 10 is closed and locked, the front door 20 is also in a closed and locked state, so that electric shock accidents caused by the fact that constructors open the front door 20 by mistake in the power-on process are prevented.
Referring to fig. 1, the present embodiment provides an interlock device including a rear latching mechanism 100 and a front latching mechanism 200. The rear locking mechanism 100 is configured to lock the rear door 10, and includes a rear operation shaft 110. The front locking mechanism 200 includes a first front operating shaft 210, a second front operating shaft 220 and a transmission rod set 230, the first front operating shaft 210 is coaxially connected with the rear operating shaft 110 and rotatably connected to the front door 20, the second front operating shaft 220 and the first front operating shaft 210 are arranged in parallel and spaced apart from each other and rotatably connected to the cabinet body 30, the transmission rod set 230 is connected to the first front operating shaft 210 and the second front operating shaft 220, and the second front operating shaft 220 rotates to drive the first front operating shaft 210 and the rear operating shaft 110 to rotate.
Preferably, as shown in fig. 3, the switch cabinet further includes an inner side plate 40 and a middle support plate 50, the middle support plate 50 is perpendicularly fixed to the inner side plate 40, and the first front operating shaft 210 and the second front operating shaft 220 are rotatably disposed through the middle support plate 50. The middle support plate 50 can provide support for the second front operating shaft 220 and the first front operating shaft 210, and ensure the transmission reliability of the interlocking device.
Specifically, the front locking mechanism 200 further includes an operation rod (not shown), and an operation hole is formed in the cabinet body 30 corresponding to the installation position of the second front operation shaft 220, and the operation rod can be inserted into the operation hole and coaxially connected to the second front operation shaft 220. The operation lever can facilitate a constructor to rotate the second front operation shaft 220 in the cabinet body 30 in front of the cabinet.
More specifically, the front latching mechanism 200 further includes a locking assembly, which includes a clamping plate mounted on the inner side of the front door 20 and a rotating piece rotatably connected to the front door 20, wherein the first front operating shaft 210 can be inserted into the clamping plate and control the rotating piece to rotate and be clamped to the cabinet body 30.
More specifically, the mounting plate is an L-shaped structure, one side of which is fixedly connected to the front door 20, and the other side of which is provided with an accommodating through hole. The first front operating shaft 210 can be inserted into the receiving through-hole when the front door 20 is closed; when the front door 20 is opened, the first front operating shaft 210 can be disengaged from the receiving through-hole.
More specifically, when the first front operating shaft 210 is inserted into the receiving through hole, it can abut against the rotating sheet, a clamping groove is provided on the rotating sheet, and the first front operating shaft 210 can be clamped in the clamping groove to form a connection with the rotating sheet. The first front operating shaft 210 and the rotating piece form a rotary lock structure, and the rotation of the first front operating shaft 210 can control the rotation of the rotating piece, so that the clamping or unlocking of the rotating piece and the cabinet body 30 is realized. The structure of the rotary lock can refer to the prior art, and is not described herein again.
Referring to fig. 1, the driving lever group 230 includes a driving lever portion 231, a first connection portion connected to the first front operating shaft 210, and a second connection portion connected to the second front operating shaft 220, and the driving lever portion 231 is connected to the first connection portion and the second connection portion.
Specifically, the second connecting portion includes a second fixing portion 234 and a second movable portion 235 connected to each other, the second fixing portion 234 is angularly fixed to the second front operating shaft 220, and the second movable portion 235 is rotatably connected to the second fixing portion 234 and the transmission rod portion 231. As shown in fig. 1, the second fixing portion 234 is a fixing plate sleeved on an end portion of the second front operating shaft 220, and the fixing plate is fixedly connected to the second front operating shaft 220 at a right angle. The second movable portion 235 is composed of two second clamping plates disposed in parallel and spaced apart from each other. The fixing plate is rotatably clamped at one side between the two second clamping plates, and the transmission rod part 231 is rotatably connected at the other side between the two second clamping plates. The second front operating shaft 220 rotates to drive the second fixing portion 234 to swing, so that the included angle between the second movable portion 235 and the second fixing portion 234 and the angle between the second movable portion 235 and the transmission rod portion 231 are changed, and the transmission rod portion 231 is always in a vertical state.
Specifically, the first connecting portion includes a first fixed portion 232 and a first movable portion 233 connected to each other, the first fixed portion 232 is fixedly sleeved on the first front operating shaft 210, and the first movable portion 233 is rotatably connected to the transmission rod portion 231. As shown in fig. 1, the first fixing portion 232 is a sleeve sleeved between the first front operating shaft 210 and the rear operating shaft 110. One end of the first movable portion 233 is connected to the sleeve, and the first movable portion 233 is perpendicular to the first fixed portion 232. The first movable portion 233 is composed of two first clamping plates arranged in parallel and spaced apart from each other. The driving rod 231 is rotatably clamped between the two first clamping plates. When the transmission rod 231 rotates under the action of the second connecting portion, the first movable portion 233 can be driven to swing, so as to drive the first fixed portion 232 to rotate, and drive the first front operating shaft 210 and the rear operating shaft 110 to rotate.
Preferably, the front latching mechanism 200 further includes an elastic member (not shown) installed at an inner side of the front door 20 to face an end position of the first front operating shaft 210. The elastic element is clamped between the clamping plate and the front door 20, when the first front operating shaft 210 penetrates through the accommodating through hole and is connected to the rotating sheet, the first front operating shaft 210 firstly penetrates through the accommodating through hole and then penetrates through the elastic element, and the elastic element is immediately abutted against a front shaft shoulder of the first front operating shaft 210 to provide buffering for the first front operating shaft 210.
Alternatively, the resilient member may be selected from prior art springs.
Referring to fig. 1, the rear latch mechanism 100 further includes a rear locking part 120, the rear locking part 120 being mounted to the rear door 10, and the rear operating shaft 110 being rotatably coupled to the rear locking part 120. The interlocking device further includes a ground switch 300, the ground switch 300 is located in the cabinet body 30, and is connected to the rear locking mechanism 100, the rear operating shaft 110 rotates, and the ground switch 300 acts to control locking or unlocking of the rear locking mechanism 100. The cooperation of the rear operating shaft 110, the rear locking part 120 and the earthing switch 300 belongs to the prior art, and the principle thereof is not described herein.
The using method of the interlocking device comprises the following steps:
the operating rod is rotated counterclockwise to drive the second front operating shaft 220 to rotate, and under the transmission action of the transmission rod group 230, the rear operating shaft 110 and the first front operating shaft 210 are controlled to rotate simultaneously, so that the opening operation of the grounding switch 300 is realized, and the rear locking part 120 is further controlled to lock the rear door 10; meanwhile, the first front operating shaft 210 rotates to drive the rotating piece to rotate, and the rotating piece is clamped on the cabinet body 30 to lock the front door 20. Therefore, the rear door 10 and the front door 20 are locked at the same time, external personnel cannot open the front door, and the front door 20 can be prevented from being opened by the constructor by mistake by conducting power-on operation, so that the personal safety of the constructor is ensured.
If the rear door 10 and the front door 20 need to be opened, the operating rod is inserted into the operating hole, the operating rod is rotated clockwise to drive the second front operating shaft 220 to rotate, the rear operating shaft 110 and the first front operating shaft 210 are controlled to rotate simultaneously under the transmission action of the transmission rod group 230, the grounding switch 300 realizes the closing operation, and the unlocking of the rear locking part 120 is realized; while unlocking of the front door 20 is effected. At this time, the constructor can open the front door 20 and the rear door 10 at the same time for safety construction.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An interlock device, comprising:
a rear latch mechanism (100), the rear latch mechanism (100) being configured to latch a rear door (10), comprising a rear operating shaft (110);
preceding latch mechanism (200), preceding latch mechanism (200) include operation axle (210) before first preceding operation axle (210), second (220) and drive link group (230), first preceding operation axle (210) with back operation axle (110) are coaxial to link to each other, rotate to connect in qianmen (20), before the second operation axle (220) with first preceding operation axle (210) parallel to each other interval sets up, rotates to connect in cabinet body (30), drive link group (230) connect in first preceding operation axle (210) with operation axle (220) before the second, operation axle (220) rotate before the second, drive first preceding operation axle (210) with back operation axle (110) rotate.
2. The interlocking device according to claim 1, wherein the front locking mechanism (200) further comprises an operating rod, an operating hole is formed in the cabinet body (30) corresponding to the mounting position of the second front operating shaft (220), and the operating rod is inserted into the operating hole and coaxially connected with the second front operating shaft (220).
3. The interlocking device according to claim 1, wherein the front locking mechanism (200) further comprises a locking assembly, the locking assembly comprises a clamping plate and a rotating piece, the clamping plate is mounted on the inner side of the front door (20), the rotating piece is rotatably connected to the front door (20), the first front operating shaft (210) can be inserted into the clamping plate and controls the rotating piece to rotate, and the first front operating shaft is clamped on the cabinet body (30).
4. The interlock device according to claim 1, wherein the transmission lever group (230) comprises a transmission lever portion (231), a first connecting portion and a second connecting portion, the first connecting portion is connected to the first front operating shaft (210), the second connecting portion is connected to the second front operating shaft (220), and the transmission lever portion (231) is connected to the first connecting portion and the second connecting portion.
5. The interlocking device according to claim 4, wherein the first connecting portion comprises a first fixed portion (232) and a first movable portion (233) connected to each other, the first fixed portion (232) is fixedly sleeved on the first front operating shaft (210), and the first movable portion (233) is rotatably connected to the transmission rod portion (231);
the second connecting portion include interconnect's second fixed part (234) and second movable part (235), second fixed part (234) be the angle link firmly in operating shaft (220) before the second, second movable part (235) rotate connect in second fixed part (234) with drive lever portion (231).
6. The interlock device according to claim 1, wherein said front latch mechanism (200) further comprises an elastic element mounted on the inner side of said front door (20) facing the end position of said first front operating shaft (210).
7. The interlock device according to claim 1, wherein the rear locking mechanism (100) further comprises a rear locking portion (120), the rear locking portion (120) being mounted to the rear door (10), the rear operating shaft (110) being rotatably connected to the rear locking portion (120).
8. The interlock apparatus according to any one of claims 1-7, further comprising a ground switch (300), wherein the ground switch (300) is located in the cabinet body (30) and connected to the rear locking mechanism (100), the rear operating shaft (110) rotates, and the ground switch (300) operates to control locking or unlocking of the rear locking mechanism (100).
9. A switch cabinet, characterized by comprising a cabinet body (30), a front door (20) and a rear door (10), and further comprising the interlocking device of any one of claims 1 to 8, wherein the front door (20) and the rear door (10) are respectively hinged at the front side and the rear side of the cabinet body (30), and the interlocking device is arranged between the front door (20) and the rear door (10).
10. The switch cabinet according to claim 9, further comprising an inner side plate (40) and a middle support plate (50), wherein the middle support plate (50) is vertically fixed to the inner side plate (40), and the first front operating shaft (210) and the second front operating shaft (220) are rotatably disposed through the middle support plate (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221191631.2U CN217386987U (en) | 2022-05-17 | 2022-05-17 | Interlocking device and switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221191631.2U CN217386987U (en) | 2022-05-17 | 2022-05-17 | Interlocking device and switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217386987U true CN217386987U (en) | 2022-09-06 |
Family
ID=83087473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221191631.2U Active CN217386987U (en) | 2022-05-17 | 2022-05-17 | Interlocking device and switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217386987U (en) |
-
2022
- 2022-05-17 CN CN202221191631.2U patent/CN217386987U/en active Active
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