Grounding protection device for power distribution network

Abstract

The utility model discloses an electric power distribution network grounding protection device which comprises a base, the top of the base is fixedly connected with a limiting sleeve, the inner side of the limiting sleeve is slidably connected with a grounding rod, the bottom end of the grounding rod is fixedly connected with a drill bit, and the inner side of the top end of the grounding rod is fixedly connected with a supporting plate. A sealing strip is fixedly connected to the top of the supporting plate, a connecting rod is slidably connected to the inner side of the supporting plate, and a limiting disc is fixedly connected to the top end of the connecting rod. An installation position can be provided for the grounding rod through the limiting sleeve, a worker can conveniently take out the grounding rod from the inner side of the limiting sleeve, the bottom end of the connecting rod is connected to the inner side of the connector through the embedding head in an embedded mode, so that the connecting rod is connected with the conductive rod, the limiting disc is fixed to the top of the supporting plate through the bolt, and the grounding rod is conveniently taken out. Therefore, a worker can conveniently mount and dismount the grounding protection device, and the worker can quickly mount and dismount the grounding protection device subsequently, so that the working efficiency of the worker is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grounding protection, in particular to a grounding protection device for a power distribution network. Background Art

[0002] Grounding refers to the connection of the neutral point of the power system and electrical equipment, the exposed conductive parts of the electrical equipment and the external conductive parts of the equipment to the earth through conductors. It can be divided into working grounding, lightning protection grounding and protective grounding. Protective devices are used when grounding the power distribution network, but the existing protective devices still have certain defects when used.

[0003] The defects of the grounding protection device in the prior art are:

[0004] At present, patent document CN209766663U discloses a grounding protection device for a power distribution network, including: a laying plate and a grounding electrode; a partition guard plate is fixed to the bottom of the laying plate by bolts, a grounding electrode is arranged at the bottom of the laying plate and penetrates the interior of the partition guard plate, the grounding electrode is in a vertical structure with the laying plate, a junction box is arranged on the outer wall of the laying plate, and a terminal head is connected to the outer wall of the junction box. In the utility model, the grounding protection device can straighten the grounding wire connected to the terminal head through the wire straightening tube, so that the grounding wire is in a relatively smooth state, and can also cooperate with the scraping plate to scrape and clean the outer surface of the grounding wire, clean the dust pollution on the outer surface of the grounding wire, improve the surface cleanliness of the grounding wire, and ensure the stability of the installation position of the grounding electrode, effectively improving the safety of the grounding protection device.

[0005] When the grounding protection device in the above document is in use, the wire straightening tube provided can not only straighten the grounding wire connected to the terminal head, making the grounding wire in a relatively smooth state, but also cooperate with the scraper plate to scrape and clean the outer surface of the grounding wire, thereby cleaning the dust pollution on the outer surface of the grounding wire, improving the surface cleanliness of the grounding wire, and ensuring the stability of the installation position of the grounding electrode, effectively improving the safety of the grounding protection device. However, when in use, it is difficult for the staff to install and disassemble the grounding protection device, and it is cumbersome for the staff to dismantle it later, thereby reducing the work efficiency of the staff. Utility Model Content

[0006] The purpose of the utility model is to provide a grounding protection device for a power distribution network to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grounding protection device for an electric power distribution network, comprising a base, a limiting sleeve fixedly connected to the top of the base, a grounding rod slidably connected to the inner side of the limiting sleeve, a drill bit fixedly connected to the bottom end of the grounding rod, a support plate fixedly connected to the inner side of the top end of the grounding rod, a sealing strip fixedly connected to the top of the support plate, a connecting rod slidably connected to the inner side of the support plate, a limiting disk fixedly connected to the top of the connecting rod, and a grounding wire is arranged at the top of the limiting disk.

[0008] As a preferred technical solution of the utility model, a positioning rod is installed through the top thread of the base, and the bottom end of the positioning rod passes through the bottom of the base.

[0009] As a preferred technical solution of the utility model, the inner side wall of the limit sleeve is fixedly connected to the limit block, the outer wall of the grounding rod is provided with a sliding groove, and the limit block is slidably connected to the inner side of the sliding groove.

[0010] As a preferred technical solution of the utility model, a fixing bolt is installed through the thread of the outer wall of the limiting sleeve, a positioning hole is opened on the top outer wall of the grounding rod, and the bottom end of the fixing bolt is embedded in the inner side of the positioning hole.

[0011] As a preferred technical solution of the utility model, a conductive rod is installed through the top end of the drill bit, and the bottom end of the conductive rod is installed through the bottom of the drill bit.

[0012] As a preferred technical solution of the utility model, the top end of the conductive rod is fixedly connected with a connecting sleeve, and the connecting sleeve is located on the inner side of the grounding rod. The bottom end of the connecting rod is provided with an embedding head, and the embedding head is embeddingly connected to the inner side of the connecting sleeve.

[0013] As a preferred technical solution of the utility model, a connection groove is opened on the top of the limit plate, a connector is fixedly connected to the bottom end of the grounding wire, and the bottom end of the connector is threadedly connected to the inner side of the connection groove.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model can provide an installation position for the grounding rod through the limiting sleeve, and it is convenient for the staff to take out the grounding rod from the inner side of the limiting sleeve. The bottom end of the connecting rod is connected to the inner side of the connecting head through the interlocking head, so that the connecting rod is connected to the conductive rod. The limiting plate is fixed to the top of the supporting plate by bolts, so that it is convenient for the staff to install and disassemble the grounding protection device, and the staff can dismantle it more quickly in the subsequent removal, thereby improving the work efficiency of the staff.

[0016] 2. The utility model uses a drill bit to drill the ground rod into the ground, thereby ensuring the stability of the base, and by turning to the positioning rod, the bottom end of the positioning rod is penetrated into the ground, further ensuring the stability of the base, so that the grounding protection device can be used stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the base structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the grounding rod of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the grounding rod of the utility model;

[0021] Figure 5 This is a schematic diagram of the cross-sectional structure of the grounding rod of the utility model.

[0022] In the figure: 1. base; 2. positioning rod; 3. limit sleeve; 4. limit block; 5. fixing bolt; 6. grounding rod; 7. drill bit; 8. conductive rod; 9. slide groove; 10. positioning hole; 11. support plate; 12. sealing strip; 13. connecting sleeve; 14. connecting rod; 15. limit plate; 16. connecting groove; 17. connector; 18. grounding wire. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figures 1 to 5 , a grounding protection device for a power distribution network:

[0025] It includes a base 1, the top of the base 1 is fixedly connected to a limiting sleeve 3, the inner side of the limiting sleeve 3 is slidably connected to a grounding rod 6, the bottom end of the grounding rod 6 is fixedly connected to a drill bit 7, the inner side of the top of the grounding rod 6 is fixedly connected to a support plate 11, the top of the support plate 11 is fixedly connected to a sealing strip 12, the inner side of the support plate 11 is slidably connected to a connecting rod 14, the top of the connecting rod 14 is fixedly connected to a limiting disk 15, and the top of the limiting disk 15 is provided with a grounding wire 18.

[0026] The limiting sleeve 3 can provide an installation position for the grounding rod 6, and it is convenient for the staff to take out the grounding rod 6 from the inner side of the limiting sleeve 3. When installing the grounding protection device, the grounding rod 6 is drilled into the ground by the drill bit 7 to ensure the stability of the base 1. The limiting plate 15 can be supported by the support plate 11, and the limiting plate 15 is fixed to the top of the support plate 11 by bolts. The connection between the support plate 11 and the limiting plate 15 can be sealed by the sealing strip 12 to ensure the sealing of the grounding protection device.

[0027] In a preferred embodiment, a positioning rod 2 is installed through the top thread of the base 1 , and the bottom end of the positioning rod 2 passes through the bottom of the base 1 .

[0028] After the grounding rod 6 is drilled into the ground by the drill bit 7, it is rotated to the positioning rod 2 so that the bottom end of the positioning rod 2 penetrates the ground, further ensuring the stability of the base 1, so that the grounding protection device can be used stably.

[0029] In a preferred embodiment, the inner wall of the limiting sleeve 3 is fixedly connected to the limiting block 4 , the outer wall of the grounding rod 6 is provided with a sliding groove 9 , and the limiting block 4 is slidably connected to the inner side of the sliding groove 9 .

[0030] The limiting block 4 is slidably connected to the inner side of the sliding groove 9 , thereby ensuring the stability of the grounding rod 6 when sliding inside the limiting sleeve 3 .

[0031] In a preferred embodiment, a fixing bolt 5 is threadedly installed through the outer wall of the limiting sleeve 3 , a positioning hole 10 is opened on the top outer wall of the grounding rod 6 , and the bottom end of the fixing bolt 5 is embedded in the inner side of the positioning hole 10 .

[0032] By rotating the fixing bolt 5, the bottom end of the fixing bolt 5 is embedded in the inner side of the positioning hole 10, thereby ensuring the stability of the grounding rod 6, thereby ensuring the stability of the connection between the grounding rod 6 and the limiting sleeve 3, and facilitating the staff to remove the grounding rod 6.

[0033] In a preferred embodiment, a conductive rod 8 is installed through the top of the drill bit 7, and the bottom end of the conductive rod 8 passes through the bottom of the drill bit 7, the top of the conductive rod 8 is fixedly connected to a connecting sleeve 13, and the connecting sleeve 13 is located on the inner side of the grounding rod 6, the bottom end of the connecting rod 14 is provided with an embedding head, and the embedding head is embeddingly connected to the inner side of the connecting sleeve 13, a connecting groove 16 is opened at the top of the limit plate 15, the bottom end of the grounding wire 18 is fixedly connected to a connecting head 17, and the bottom end of the connecting head 17 is threadedly connected to the inner side of the connecting groove 16.

[0034] The bottom end of the connector 17 is threadedly connected to the inner side of the connecting groove 16, and the top end of the connector 17 passes through the inner side of the top end of the connecting rod 14, thereby ensuring the stability of the connection between the grounding wire 18 and the connecting rod 14. The bottom end of the connecting rod 14 is connected to the inner side of the connecting head 13 through an interlocking head, so that the connecting rod 14 is connected to the conductive rod 8, so that the grounding wire 18 can be normally connected to the ground through the connecting rod 14 and the conductive rod 8.

[0035] Working principle,

[0036] When installing the grounding protection device, the grounding rod 6 is drilled into the ground by the drill bit 7 to ensure the stability of the base 1. After the grounding rod 6 is drilled into the ground by the drill bit 7, it is rotated to the positioning rod 2 so that the bottom end of the positioning rod 2 passes through the ground to further ensure the stability of the base 1. The bottom end of the connecting head 17 is threadedly connected to the inner side of the connecting groove 16, and then the top end of the connecting head 17 passes through the inner side of the top end of the connecting rod 14 to ensure the stability of the connection between the grounding wire 18 and the connecting rod 14. The bottom end of the connecting rod 14 is connected to the inner side of the connecting head 13 through the interlocking head, so that the connecting rod 14 is connected to the conductive rod 8, so that the grounding wire 18 can be normally connected to the ground through the connecting rod 14 and the conductive rod 8.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A grounding protection device for a power distribution network, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a limiting sleeve (3), the inner side of the limiting sleeve (3) is slidably connected to a grounding rod (6), the bottom end of the grounding rod (6) is fixedly connected to a drill bit (7), the inner side of the top of the grounding rod (6) is fixedly connected to a support plate (11), the top of the support plate (11) is fixedly connected to a sealing strip (12), the inner side of the support plate (11) is slidably connected to a connecting rod (14), the top of the connecting rod (14) is fixedly connected to a limiting disk (15), and the top of the limiting disk (15) is provided with a grounding wire (18).

2. A grounding protection device for a power distribution network according to claim 1, characterized in that: A positioning rod (2) is installed through the threaded top of the base (1), and the bottom end of the positioning rod (2) passes through the bottom of the base (1).

3. The grounding protection device for a power distribution network according to claim 1, characterized in that: The inner side wall of the limiting sleeve (3) is fixedly connected to the limiting block (4), the outer wall of the grounding rod (6) is provided with a sliding groove (9), and the limiting block (4) is slidably connected to the inner side of the sliding groove (9).

4. The grounding protection device for a power distribution network according to claim 1, characterized in that: A fixing bolt (5) is installed through a thread on the outer wall of the limiting sleeve (3), a positioning hole (10) is opened on the outer wall of the top end of the grounding rod (6), and the bottom end of the fixing bolt (5) is embedded in the inner side of the positioning hole (10).

5. The grounding protection device for a power distribution network according to claim 1, characterized in that: A conductive rod (8) is installed through the top end of the drill bit (7), and the bottom end of the conductive rod (8) is installed through the bottom of the drill bit (7).

6. A grounding protection device for a power distribution network according to claim 5, characterized in that: The top end of the conductive rod (8) is fixedly connected to a connecting sleeve (13), and the connecting sleeve (13) is located on the inner side of the grounding rod (6). The bottom end of the connecting rod (14) is provided with an engaging head, and the engaging head is engaged and connected to the inner side of the connecting sleeve (13).

7. The grounding protection device for a power distribution network according to claim 1, characterized in that: A connection groove (16) is provided on the top of the limit plate (15); a connector (17) is fixedly connected to the bottom end of the grounding wire (18); and the bottom end of the connector (17) is threadedly connected to the inner side of the connection groove (16).

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