Program lock device for combined type environment-friendly cabinet

Abstract

The utility model discloses a program lock device for a combined type environment-friendly cabinet, which comprises a first operation part and a second operation part which are respectively arranged in two environment-friendly cabinets, the first operation part is provided with a first isolation operation shaft and a first grounding operation shaft, and the second operation part is provided with a second isolation operation shaft and a second grounding operation shaft. The first operation part is provided with a first program lock corresponding to a first isolation operation shaft position, the second operation part is provided with a second program lock corresponding to a second grounding operation position, and the second operation part is provided with a second program lock corresponding to a first grounding operation shaft position and a second isolation operation position. The first isolation operation shaft, the second isolation operation shaft, the first grounding operation shaft and the second grounding operation shaft are respectively provided with an arc-shaped blocking wall. The structure is simple, the layout is reasonable, and the interlocking effect is good.

Description

Technical Field

[0001] The utility model relates to a program lock device for a combined environmental protection cabinet. Background Art

[0002] There are many safety operation requirements for modular environmental protection cabinets. In order to avoid safety accidents, interlocks are usually set to ensure safe operation. The program lock is a safety lock used for high-voltage switchgear. It can force operators to operate electrical equipment according to established safety operation procedures to avoid misoperation and achieve the "five protection" requirements, ensuring the prevention of misoperation of switches; the prevention of pulling and closing isolating switches with loads; the prevention of hanging ground wires with power on; the prevention of closing the switch with ground wires; and the prevention of misentering live intervals. However, the program locks in the existing structure are cumbersome to arrange, difficult to maintain and repair, and reduce the use effect of the structure. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a program lock device for a combined environmental protection cabinet, which has a simple structure, a reasonable layout and a good interlocking effect.

[0004] To achieve the above-mentioned objectives, the utility model provides a program lock device for a combined environmental protection cabinet, comprising a first operating part and a second operating part respectively arranged in two environmental protection cabinets, the first operating part is provided with a first isolation operating shaft and a first grounding operating shaft, the second operating part is provided with a second isolation operating shaft and a second grounding operating shaft, the first operating part is provided with a first program lock corresponding to the first isolation operating shaft position on the first operating part and corresponding to the second grounding operating position on the second operating part, the second operating part is provided with a second program lock corresponding to the first grounding operating shaft position on the second operating part and corresponding to the second isolation operating position on the second operating part, and the first isolation operating shaft, the second isolation operating shaft, the first grounding operating shaft and the second grounding operating shaft are respectively provided with an arc-shaped retaining wall for limiting the locking of the first program lock or the second program lock after closing the switch.

[0005] The beneficial effect of such arrangement is as follows: such arrangement can realize the interlocking between the two cabinets, and there are two first program locks and second program locks respectively, which are installed at the corresponding isolation operation shaft or grounding operation shaft position, and the two first program locks are opened with the same key, and the two second program locks are opened with the same key, and due to the special structure of the program lock, when the output end of one of the program locks is not extended, the key cannot be pulled out, and at the same time, the output shafts of the first program lock and the second program lock point to the corresponding operation, and when the output shaft is extended, the insertion of the operating handle is restricted, thereby restricting the opening and closing operation. When the cabinet is in use, the output shaft is retracted by operating the first program lock in the first operating part, and the operating key cannot be pulled out at this time, and the first operating part operates the isolation operation shaft to close the switch, and at this time the output shaft of the first program lock on the second operating part is extended, restricting the operation of the operating handle The operation of the second grounding operating shaft, and since the corresponding key cannot be pulled out for operation, and since the first isolation operating shaft is in a closed state, the arc-shaped baffle wall connected thereto blocks the extension path of the output shaft of the first program lock, further limiting the operation of the corresponding first program lock when the first isolation operating shaft is in a closed state. After operating the first isolation operating shaft to open the switch, the arc-shaped baffle wall no longer blocks, so that the first program lock at the corresponding position can be operated to extend the output shaft, thereby achieving blocking, limiting the cooperation between the operating handle and the first isolation operating shaft, so that the key can be pulled out, and the first program lock on the second operating part can be operated, so that the lock tongue of the program lock is retracted, thereby operating the second isolation operating shaft; the operating principle of the second program lock is similar, thereby realizing the interlocking of the combination cabinet. This structure is simple, easy to produce and process, reasonable in layout, has good use effect, and reliable interlocking.

[0006] As a further configuration of the utility model, a mounting frame for mounting the first program lock or the second program lock is provided on the first operating part and the second operating part, and the mounting frame is fixedly connected to the first operating part or the second operating part by mounting screws.

[0007] The beneficial effects of such an arrangement are: such an arrangement facilitates modular installation and configuration according to requirements, and at the same time, has a simple structure, is easy to implement, and has a good use effect.

[0008] As a further configuration of the utility model, the mounting frame is provided with a carrying plate for installing the first program lock or the second program lock, a folded edge is formed on the carrying plate, a long groove is provided on the folded edge, and the mounting frame is provided with a screw assembly for fastening with the long groove.

[0009] The beneficial effect of such arrangement is that such arrangement facilitates fine adjustment of the program lock position according to the product specifications, improves the adaptability of the structure, and has a good use effect.

[0010] As a further configuration of the utility model, an electromagnetic lock is further provided on the first operating part and the second operating part, and a baffle for limiting the insertion action of the operating handle is connected to the output end of the electromagnetic lock.

[0011] The beneficial effect of such arrangement is that such arrangement further improves the reliability of the structure, and remote control locking can be achieved through the electromagnetic lock to restrict operation, effectively preventing outsiders from approaching and causing misoperation. At the same time, the structure is simple and easy to implement, the overall structural layout is reasonable, and it has a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The structure of the embodiment of the utility model is shown in FIG.

[0013] Figure 2 It is a partial enlarged view of the position of the centerless retaining wall in the embodiment of the utility model. DETAILED DESCRIPTION

[0014] The utility model provides a program lock device for a combined environmental protection cabinet, such as Figure 1 to Figure 2As shown, it includes a first operating part 1 and a second operating part 2 which are respectively arranged in two environmental protection cabinets, the first operating part 1 is provided with a first isolation operating shaft 11 and a first grounding operating shaft 12, the second operating part 2 is provided with a second isolation operating shaft 21 and a second grounding operating shaft 22, the first operating part 1 is provided with a first program lock 31 corresponding to the position of the first isolation operating shaft 11 and the second operating part 2 is provided with a first program lock 31, the first operating part is provided with a second program lock 32 corresponding to the position of the first grounding operating shaft 12 and the second operating part 2 is provided with a second program lock 32, the first isolation operating shaft 11, the second isolation operating shaft 21, the first grounding operating shaft 12 and the second grounding operating shaft 22 are respectively provided with an arc-shaped retaining wall 5 for limiting the locking of the first program lock 31 or the second program lock 32 after closing the switch. The beneficial effect of such arrangement is as follows: such arrangement realizes the interlocking between the two cabinets, and the first program lock 31 and the second program lock 32 are respectively two and installed at the corresponding isolation operation shaft or grounding operation shaft position, and the two first program locks 31 are opened by the same key, and the two second program locks 32 are opened by the same key, and due to the special structure of the program lock, when the output end of one of the program locks is not extended, the key cannot be pulled out, and at the same time, the output shafts of the first program lock 31 and the second program lock 32 point to the corresponding operation, and when the output shaft is extended, the insertion of the operating handle is restricted, thereby restricting the opening and closing operation. When the cabinet is in use, the output shaft is retracted by operating the first program lock 31 in the first operating part 1, and the operating key cannot be pulled out at this time, and the first operating part 1 operates the isolation operation shaft to close the switch, and at this time the output shaft of the first program lock 31 on the second operating part 2 is extended, restricting the operating handle from touching the second grounding shaft The operation of the operating shaft 22 is carried out on the ground, and since the corresponding key cannot be pulled out for operation, and since the first isolation operating shaft 11 is in a closed state, the arc-shaped retaining wall 5 connected thereto blocks the extension path of the output shaft of the first program lock 31, further limiting the operation of the corresponding first program lock 31 when the first isolation operating shaft 11 is in a closed state. After operating the first isolation operating shaft 11 to open the gate, the arc-shaped retaining wall 5 no longer blocks, so that the first program lock 31 at the corresponding position can be operated to extend the output shaft, thereby achieving shielding and limiting the cooperation between the operating handle and the first isolation operating shaft 11, so that the key can be pulled out, and the first program lock 31 on the second operating part 2 is operated, so that the lock tongue of the program lock is retracted, thereby operating the second isolation operating shaft 21; the operating principle of the second program lock 32 is similar, thereby realizing the interlocking of the combined cabinet, this structure is simple, easy to produce and process, reasonable in layout, has good use effect, and reliable interlocking.

[0015] As a further configuration of this embodiment, a mounting frame 4 for mounting the first program lock 31 or the second program lock 32 is provided on the first operating part 1 and the second operating part 2, and the mounting frame 4 is fixedly connected to the first operating part 1 or the second operating part 2 by mounting screws. The beneficial effect of such a configuration is that such a configuration is convenient for modular installation and configuration according to requirements, and at the same time, the structure is simple, easy to implement, and has a good use effect.

[0016] As a further configuration of this embodiment, a bearing plate 41 for mounting the first program lock 31 or the second program lock 32 is provided on the mounting frame 4, a folded edge is formed on the bearing plate 41, a long groove is provided on the folded edge, and a screw assembly for fastening and matching with the long groove is provided on the mounting frame 4. The beneficial effect of this configuration is that it is convenient to fine-tune the position of the program lock according to the specifications of the product, improve the adaptability of the structure, and have a good use effect.

[0017] As a further configuration of this embodiment, an electromagnetic lock 6 is further provided on the first operating part 1 and the second operating part 2, and a baffle for limiting the insertion of the operating handle is connected to the output end of the electromagnetic lock 6. The beneficial effect of this configuration is that the reliability of the structure is further improved, and the electromagnetic lock can be used to achieve remote control locking, limit operation, and effectively prevent outsiders from approaching and causing misoperation. At the same time, the structure is simple, easy to implement, and the overall structural layout is reasonable, with good use effect.

[0018] The above example is only one preferred specific example of the present invention. Common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A program lock device for a combined environmental protection cabinet, comprising a first operating part and a second operating part respectively arranged in two environmental protection cabinets, wherein the first operating part is provided with a first isolation operating shaft and a first grounding operating shaft, and the second operating part is provided with a second isolation operating shaft and a second grounding operating shaft, characterized in that: A first program lock is respectively provided on the first operating part corresponding to the first isolation operating shaft position and on the second operating part corresponding to the second grounding operating position, a second program lock is respectively provided on the second operating part corresponding to the first grounding operating shaft position and on the second operating part corresponding to the second isolation operating position, and an arc-shaped retaining wall is respectively provided on the first isolation operating shaft, the second isolation operating shaft, the first grounding operating shaft and the second grounding operating shaft for limiting the locking of the first program lock or the second program lock after closing the switch.

2. The program lock device for a combined environmental protection cabinet according to claim 1, characterized in that: The first operating part and the second operating part are provided with a mounting frame for mounting the first program lock or the second program lock, and the mounting frame is fixedly connected to the first operating part or the second operating part by mounting screws.

3. The program lock device for a combined environmental protection cabinet according to claim 2, characterized in that: The mounting frame is provided with a bearing plate for mounting the first program lock or the second program lock, a folded edge is formed on the bearing plate, a long groove is provided on the folded edge, and the mounting frame is provided with a screw assembly for fastening with the long groove.

4. The program lock device for a combined environmental protection cabinet according to claim 1, characterized in that: The first operating part and the second operating part are also provided with an electromagnetic lock, and the output end of the electromagnetic lock is connected with a baffle for limiting the insertion action of the operating handle.

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