Middle-mounted switch cabinet grounding device

Abstract

The utility model discloses a centrally-mounted switch cabinet grounding device, which relates to the technical field of switch cabinet grounding, and comprises a centrally-mounted switch cabinet main body, the back of the centrally-mounted switch cabinet main body is detachably connected with a grounding device main body, the inner side surface of the grounding device main body is provided with a groove, and the surface of the groove is slidably connected with a moving block. A threaded hole is formed in the upper portion of the middle of the back face of the grounding device body, the surface of the threaded hole is in threaded connection with a threaded rod, and the inner end face of the threaded rod is rotationally connected with a conductive block through a bearing. The surface of the outer end of the threaded hole is electrically connected with a conductive wire, the other end of the conductive wire is electrically connected with a grounding nail, and through the arrangement of the bidirectional lead screw, the moving block, the threaded rod and the conductive block, the purpose of improving the applicability of the device is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet grounding, in particular to a center-mounted switch cabinet grounding device. Background Art

[0002] A center-mounted switch cabinet grounding device is a device used for grounding protection, which is usually installed in an electrical switch cabinet. It forms a good grounding connection between the metal part of the electrical equipment and the earth by connecting the metal casing or frame of the electrical equipment to the ground, so as to ensure that the equipment can safely leak electricity during normal operation and prevent electric shock accidents. This device can effectively protect the safety of personnel and equipment. A center-mounted switch cabinet grounding device may refer to a device used to achieve grounding in electrical equipment. This device is usually used to protect equipment and personnel from the risk of electric shock and ensure the safety of normal operation of the equipment. The functions of the center-mounted switch cabinet grounding device include: 1. Provide grounding protection for electrical equipment to prevent the risk of electric shock caused by leakage or short circuit of the equipment. 2. Protect the equipment from external power interference such as static electricity and lightning strikes to ensure the normal operation of the equipment. 3. Reduce the grounding resistance, improve the grounding effect, and ensure the reliability and stability of the grounding system.

[0003] The existing center-mounted switch cabinet grounding device is often used in conjunction with the switch cabinet when in use, which is not convenient to install on switch cabinets of different models, has a relatively single applicable type, and has the disadvantage of poor applicability. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a center-mounted switch cabinet grounding device, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a grounding device for a center-mounted switch cabinet, including a center-mounted switch cabinet main body, the back of the center-mounted switch cabinet main body is detachably connected to a grounding device main body, the inner side surface of the grounding device main body is provided with a groove, the surface of the groove is slidably connected to a moving block, the inner side surface of the moving block is provided with an anti-slip pad, the surface of the anti-slip pad is in contact with the side of the center-mounted switch cabinet main body, a threaded hole is provided in the middle upper part of the back of the grounding device main body, the surface of the threaded hole is threadedly connected to a threaded rod, the inner end surface of the threaded rod is rotatably connected to a conductive block through a bearing, the surface of the outer end of the threaded hole is electrically connected to a conductive wire, and the other end of the conductive wire is electrically connected to a grounding nail.

[0006] Optionally, both end surfaces of the grounding device body are rotatably connected with a bidirectional lead screw via bearings, one end of the bidirectional lead screw passes through the side of the center-mounted switch cabinet body, and the other end that passes through is fixedly connected with a crank.

[0007] Optionally, a moving block is threadedly connected to the surface of the bidirectional lead screw, and the number of the moving blocks and the anti-slip pads are both two, and are symmetrically distributed on both sides of the bidirectional lead screw.

[0008] Optionally, the outer end surface of the threaded rod is fixedly connected to a rotating disk, and the surface of the rotating disk is provided with an anti-slip rubber pad.

[0009] Optionally, a contact is provided on the back of the center-mounted switch cabinet body, and the position of the contact corresponds to the position of the conductive block.

[0010] Optionally, a wire loop is provided at the connection between the conductive wire and the threaded hole, and a conductive ring is provided at the connection between the conductive wire and the grounding nail.

[0011] The utility model provides a central switch cabinet grounding device, which has the following beneficial effects:

[0012] 1. A grounding device for a center-mounted switch cabinet has the effect of improving applicability through the arrangement of a bidirectional lead screw, a moving block, a threaded rod, and a conductive block. When in use, the staff adjusts the distance between the two moving blocks according to the size of the center-mounted switch cabinet. During the adjustment process, the staff drives the bidirectional lead screw to rotate by turning the crank, so that the two moving blocks threadedly connected on the surface of the bidirectional lead screw move synchronously in the groove. After the distance between the two moving blocks is adjusted, the main body of the grounding device is opened on the surface of the center-mounted switch cabinet main body, so that the two moving blocks are located on both sides of the center-mounted switch cabinet main body, and then the crank is turned in the opposite direction to make the two moving blocks approach the center-mounted switch cabinet main body synchronously, and finally the anti-slip pad contacts the side of the center-mounted switch cabinet main body. As the two moving blocks approach, the main body of the grounding device is fixedly installed on the surface of the center-mounted switch cabinet main body. At this time, the staff opens a contact at a position corresponding to the conductive block on the back of the center-mounted switch cabinet main body, and then turns the rotating disk to the right to make the threaded rod move in the threaded direction in the threaded hole, so that the conductive block abuts against the contact. Then the grounding nail is driven into the ground, and the center-mounted switch cabinet body conducts electricity to the earth through the conductive block, threaded rod, conductive wire and grounding nail. The grounding device can be installed on center-mounted switch cabinets of different sizes by arbitrarily adjusting the moving block and the conductive block, thereby achieving the purpose of improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 It is a rear-view stereoscopic structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the main body of the grounding device of the utility model viewed from above;

[0016] Figure 4 It is a structural schematic diagram of a partial cross-section of the rotating disk of the utility model from the side.

[0017] In the figure: 1. Central switch cabinet body; 2. Grounding device body; 3. Groove; 4. Bidirectional lead screw; 5. Crank; 6. Moving block; 7. Anti-skid pad; 8. Threaded hole; 9. Threaded rod; 10. Conductive block; 11. Contact; 12. Rotating disk; 13. Anti-skid rubber pad; 14. Conductive wire; 15. Grounding nail. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0019] See also Figures 1 to 4 The utility model provides a technical solution: a grounding device for a center-mounted switch cabinet, comprising a center-mounted switch cabinet body 1, a grounding device body 2 is detachably connected to the back of the center-mounted switch cabinet body 1, a groove 3 is provided on the inner side of the grounding device body 2, a moving block 6 is slidably connected to the surface of the groove 3, an anti-slip pad 7 is provided on the inner side of the moving block 6, the surface of the anti-slip pad 7 is abutted against the side of the center-mounted switch cabinet body 1, a threaded hole 8 is provided on the upper middle part of the back of the grounding device body 2, a threaded rod 9 is threadedly connected to the surface of the threaded hole 8, a conductive block 10 is rotatably connected to the inner end surface of the threaded rod 9 through a bearing, a conductive wire 14 is electrically connected to the surface of the outer end of the threaded hole 8, and the other end of the conductive wire 14 is electrically connected to a grounding nail 15. The two end surfaces of the grounding device body 2 are rotatably connected with a bidirectional lead screw 4 through bearings. One end of the bidirectional lead screw 4 passes through the side of the central switch cabinet body 1, and the other end that passes through is fixedly connected with a crank 5. The surface of the bidirectional lead screw 4 is threadedly connected with a moving block 6. The number of the moving blocks 6 and the anti-skid pad 7 are both two, and they are symmetrically distributed on both sides of the bidirectional lead screw 4. The outer end surface of the threaded rod 9 is fixedly connected with a rotating disk 12, and the surface of the rotating disk 12 is provided with an anti-skid rubber pad 13. A contact 11 is opened on the back of the central switch cabinet body 1, and the position of the contact 11 is corresponding to the position of the conductive block 10. A wire ring is provided at the connection between the conductive wire 14 and the threaded hole 8, and a conductive ring is provided at the connection between the conductive wire 14 and the grounding nail 15.

[0020] In order to achieve the purpose of improving the applicability of the device, when in use, the staff adjusts the distance between the two moving blocks 6 according to the size of the central switch cabinet. During the adjustment process, by turning the crank 5, the crank 5 drives the bidirectional lead screw 4 to rotate, so that the two moving blocks 6 threadedly connected on the surface of the bidirectional lead screw 4 move synchronously in the groove 3. After the distance between the two moving blocks 6 is adjusted, the grounding device body 2 is opened on the surface of the central switch cabinet body 1, so that the two moving blocks 6 are located on both sides of the central switch cabinet body 1, and then the crank 5 is turned in the opposite direction to make the two moving blocks 6 approach the central switch cabinet body 1 synchronously, and finally the anti-slip pad 7 contacts the side of the central switch cabinet body 1. As the two moving blocks 6 approach, the grounding device body 2 is fixedly installed on the surface of the central switch cabinet body 1. At this time, the staff opens a contact 11 at the position corresponding to the conductive block 10 on the back of the central switch cabinet body 1, and then turns the rotating disk 12 to the right to make the threaded rod 9 move in the threaded direction of the threaded hole 8, so that the conductive block 10 abuts against the contact 11. Then the grounding nail 15 is driven into the ground, and the center-mounted switch cabinet body 1 conducts electricity to the earth through the conductive block 10, the threaded rod 9, the conductive wire 14 and the grounding nail 15. The device can be installed on center-mounted switch cabinets of different sizes by arbitrarily adjusting the movable block 6 and the conductive block 10, thereby achieving the purpose of improving the applicability of the device.

[0021] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A grounding device for a center-mounted switch cabinet, comprising a center-mounted switch cabinet body (1), characterized in that: The back of the center-mounted switch cabinet body (1) is detachably connected to a grounding device body (2); a groove (3) is provided on the inner side surface of the grounding device body (2); a moving block (6) is slidably connected to the surface of the groove (3); an anti-slip pad (7) is provided on the inner side surface of the moving block (6); the surface of the anti-slip pad (7) abuts against the side surface of the center-mounted switch cabinet body (1); a threaded hole (8) is provided in the middle upper portion of the back of the grounding device body (2); a threaded rod (9) is threadedly connected to the surface of the threaded hole (8); the inner end surface of the threaded rod (9) is rotatably connected to a conductive block (10) via a bearing; a conductive wire (14) is electrically connected to the surface of the outer end of the threaded hole (8); and the other end of the conductive wire (14) is electrically connected to a grounding nail (15).

2. A center-mounted switch cabinet grounding device according to claim 1, characterized in that: The two end surfaces of the grounding device body (2) are rotatably connected to a bidirectional lead screw (4) via bearings; one end of the bidirectional lead screw (4) penetrates the side surface of the center-mounted switch cabinet body (1), and the penetrated end is fixedly connected to a crank (5).

3. A center-mounted switch cabinet grounding device according to claim 2, characterized in that: The surface of the bidirectional lead screw (4) is threadedly connected to a moving block (6), and the number of the moving blocks (6) and the anti-slip pads (7) are both two, and are symmetrically distributed on both sides of the bidirectional lead screw (4).

4. The grounding device for a centrally mounted switch cabinet according to claim 1, characterized in that: The outer end surface of the threaded rod (9) is fixedly connected to a rotating disk (12), and a non-slip rubber pad (13) is provided on the surface of the rotating disk (12).

5. The grounding device for a central switch cabinet according to claim 1, characterized in that: A contact (11) is provided on the back of the center-mounted switch cabinet body (1), and the position of the contact (11) corresponds to the position of the conductive block (10).

6. A center-mounted switch cabinet grounding device according to claim 1, characterized in that: A conductor ring is provided at the connection between the conductive wire (14) and the threaded hole (8), and a conductive ring is provided at the connection between the conductive wire (14) and the grounding nail (15).

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