Building electric power engineering grounding device

Abstract

The utility model belongs to the technical field of electric power engineering, and particularly relates to a building electric power engineering grounding device which comprises a galvanized steel pipe, an insertion hole is formed in the bottom end of the galvanized steel pipe, a grounding steel nail is installed in the insertion hole in an inserted mode, a copper rod is installed in the galvanized steel pipe, and outer protruding blocks are symmetrically arranged on the outer top of the galvanized steel pipe. And an n-shaped clamping plate is movably installed outside the two outer protruding blocks, a fixing screw hole is formed in the middle of the top end of the n-shaped clamping plate, and an extrusion screw rod is installed in the fixing screw hole. In the grounding device, the galvanized steel pipe 1, the grounding steel nail 3 and the copper rod 4 are independent parts and can be independently replaced according to the corrosion condition, so that the use performance of the grounding device can be ensured, and the grounding steel nail can be fixed in the galvanized steel pipe through the cooperative use of the connecting screw groove and the extrusion screw rod; at the moment, the occupied space of the grounding device can be reduced, and the grounding device is convenient to carry and transfer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric power engineering technical field, concretely relates to a building electric power engineering grounding device. BACKGROUND

[0002] The grounding device is composed of a grounding body (round steel, angle steel, flat steel, steel pipe, etc.) buried in the soil and a grounding wire for connection.

[0003] In the installation and use process of outdoor or indoor large power equipment, a grounding device (such as a generator) needs to be temporarily installed, the grounding device is generally made of galvanized steel and copper, the galvanized steel grounding device will be corroded and affect its performance with the increase of use time, and the grounding device needs to have enough length to meet the grounding requirement during installation, which will occupy a large space and is not conducive to the carrying of the grounding device, based on this, the utility model provides a building electric power engineering grounding device. UTILITY MODEL CONTENTS

[0004] To solve the above problems in the prior art, the utility model provides a building electric power engineering grounding device, which has the characteristics of easy carrying and good use effect.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a building electric power engineering grounding device, which comprises a galvanized steel pipe, a plug hole is formed in the bottom end of the galvanized steel pipe, a grounding steel nail is inserted and installed in the plug hole, a copper bar is installed in the galvanized steel pipe, outer protrusions are symmetrically arranged on the top of the galvanized steel pipe, L-shaped clamping plates are movably installed outside the two outer protrusions, fixed screw holes are formed in the top middle part of the L-shaped clamping plates, and extrusion screws are installed in the fixed screw holes.

[0006] As a preferred technical scheme of the building electric power engineering grounding device of the utility model, the longitudinal section shape of the grounding steel nail is T-shaped, the diameter of the bottom of the grounding steel nail is matched with the inner diameter of the plug hole, the height of the grounding steel nail is the same as the height of the galvanized steel pipe, and a connecting screw groove is formed in the top middle part of the grounding steel nail.

[0007] As a preferred technical scheme of the building electric power engineering grounding device of the utility model, the diameter of the copper bar is matched with the inner diameter of the galvanized steel pipe, the height of the copper bar is the same as the length of the inner wall of the galvanized steel pipe, a protruding rod is arranged in the middle part of the bottom end of the copper bar, and a fixed clamping groove is arranged in the middle part of the top end of the copper bar.

[0008] As a preferred technical scheme of the building electric power engineering grounding device of the utility model, the diameter of the protruding rod is matched with the inner diameter of the connecting screw groove, and the extrusion screw and the connecting screw groove are connected through threads.

[0009] As a preferred technical solution of the grounding device for building power engineering of this utility model, an installation screw groove is provided in the middle of one side of the outer protrusion, and rotating holes are provided at the bottom of both sides of the U-shaped card plate. A fixing screw is installed inside the rotating hole, and one end of the fixing screw is located inside the installation screw groove.

[0010] As a preferred technical solution of the grounding device for building power engineering according to this utility model, the fixing screw and the mounting screw groove are connected by threads, and the inner diameter of the mounting screw groove is smaller than the inner diameter of the rotating hole.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] In this grounding device, the galvanized steel pipe 1, the grounding steel nail 3, and the copper rod 4 are separate components that can be replaced individually depending on the degree of corrosion, thus ensuring the performance of the grounding device. By using the connecting screw groove and the extrusion screw together, the grounding steel nail can be fixed inside the galvanized steel pipe, which reduces the space occupied by the grounding device and facilitates its carrying and transportation. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a cross-sectional view of the present invention;

[0016] Figure 3 This utility model Figure 2 Schematic diagram of the structure of region A in the middle;

[0017] Figure 4 This is an exploded view showing the installation of the copper rod of this utility model;

[0018] Figure 5 This is a schematic diagram of the connecting screw groove of this utility model.

[0019] In the diagram: 1. Galvanized steel pipe; 2. Insertion hole; 3. Grounding steel nail; 4. Copper rod; 5. Outer protrusion; 6. U-shaped clamping plate; 7. Fixing screw hole; 8. Extrusion screw; 9. Connecting screw groove; 10. Protruding rod; 11. Fixing slot; 12. Mounting screw groove; 13. Rotary hole; 14. Fixing screw. Detailed Implementation

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model. Embodiments

[0021] Please refer to Figures 1-5 The utility model provides the following technical scheme: a building electric power engineering grounding device, including galvanized steel pipe 1, galvanized steel pipe 1 bottom end is provided with the jack 2, the inside plug -in installation of jack 2 is provided with ground steel nail 3, the longitudinal section shape of ground steel nail 3 is T type, the diameter of ground steel nail 3's bottom and the inside diameter of jack 2 are compatible, the height of ground steel nail 3 and the height of galvanized steel pipe 1 are same, the top middle part of ground steel nail 3 is provided with connecting screw groove 9, the inside installation of galvanized steel pipe 1 is provided with copper bar 4, the diameter of copper bar 4 and the inside diameter of galvanized steel pipe 1 are compatible, the height of copper bar 4 and the inside wall length of galvanized steel pipe 1 are same, the middle part of copper bar 4 bottom end is provided with convex rod 10, the middle part of copper bar 4 top end is provided with fixed clamping groove 11, the inside diameter of fixed clamping groove 11 is greater than the diameter of convex rod 10, the diameter of convex rod 10 and the inside diameter of connecting screw groove 9 are compatible, can increase the contact area of copper bar 4 and ground steel nail 3, is favorable to improve the electric conduction performance of the device;

[0022] The outside top of galvanized steel pipe 1 is provided with external convex block 5 symmetrically, the middle part of one side of external convex block 5 is provided with installation screw groove 12, the outside of two external convex blocks 5 is provided with L-shaped clamping plate 6, the bottom of both sides of L-shaped clamping plate 6 is provided with rotating hole 13, the inside diameter of installation screw groove 12 is less than the inside diameter of rotating hole 13, fixed screw rod 14 is installed in the inside of rotating hole 13, one end of fixed screw rod 14 is located in the inside of installation screw groove 12, and fixed screw rod 14 and installation screw groove 12 are connected through threads, so that L-shaped clamping plate 6 can be installed, and L-shaped clamping plate 6 can be used conveniently, the middle part of the top of L-shaped clamping plate 6 is provided with fixed screw hole 7, extrusion screw rod 8 is installed in fixed screw hole 7, and extrusion screw rod 8 and connecting screw groove 9 are connected through threads, so that ground steel nail 3 can be fixed in the inside of galvanized steel pipe 1.

[0023] The working principle and use process of the utility model are as follows: the worker rotates extrusion screw rod 8, so that extrusion screw rod 8 is separated from ground steel nail 3, under the action of gravity, ground steel nail 3 falls to the bottom of galvanized steel pipe 1, then the worker inserts copper bar 4 into the inside of galvanized steel pipe 1, then the worker rotates extrusion screw rod 8 again, so that extrusion screw rod 8 enters the inside of fixed clamping groove 11 to extrude and fix copper bar 4, and then the worker inserts the grounding device into the ground.

[0024] After the grounding device is inserted into the ground, the worker loosens the extrusion screw 8, then the worker inserts one end of the grounding wire into the fixed clamping groove 11 and winds the extrusion screw 8, then the worker rotates the extrusion screw 8 again, so that the extrusion screw 8 extrudes the wire in the fixed clamping groove 11, thereby the grounding wire can be fixed;

[0025] In the grounding device, the galvanized steel pipe 1, the grounding steel nail 3 and the copper bar 4 are separate components, which can be replaced individually according to the corrosion condition, so that the use performance of the grounding device can be ensured.

[0026] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A grounding device for building electrical engineering, comprising a galvanized steel pipe (1), characterized in that: The galvanized steel pipe (1) bottom end is provided with a jack (2), the jack (2) inside plug-in installation has ground steel nail (3), the galvanized steel pipe (1) inside installs copper bar (4), the galvanized steel pipe (1) outer top symmetry is provided with outer protruding block (5), two the outer protruding block (5) outside movable mounting is provided with the type card board (6), the type card board (6) top middle part is provided with fixed screw hole (7), the fixed screw hole (7) inside installation has extrusion screw rod (8).

2. A grounding device for building electrical engineering according to claim 1, characterized in that: The longitudinal section shape of the ground steel nail (3) is T-shaped, the diameter of the bottom of the ground steel nail (3) and the inner diameter of the jack (2) are matched, the height of the ground steel nail (3) and the height of the galvanized steel pipe (1) are same, the top middle part of the ground steel nail (3) is provided with a connecting screw groove (9).

3. The grounding device for building electric power engineering according to claim 1, characterized in that: The diameter of the copper bar (4) and the inner diameter of the galvanized steel pipe (1) are matched, the height of the copper bar (4) and the length of the inner wall of the galvanized steel pipe (1) are same, the bottom middle part of the copper bar (4) is provided with a protruding rod (10), the top middle part of the copper bar (4) is provided with a fixed clamping groove (11).

4. The grounding device for building electric power engineering according to claim 3, characterized in that: The diameter of the protruding rod (10) and the inner diameter of the connecting screw groove (9) are matched, the extrusion screw rod (8) and the connecting screw groove (9) are connected through threads.

5. The grounding device for building electrical engineering according to claim 1, characterized in that: The outer protruding block (5) one side middle part is provided with an installation screw groove (12), the type card board (6) both sides bottom is provided with a rotating hole (13), the rotating hole (13) inside installation has fixed screw rod (14), the fixed screw rod (14) one end is located in the installation screw groove (12) inside.

6. A building electrical engineering earthing arrangement according to claim 5, characterised in that: The fixed screw rod (14) and the installation screw groove (12) are connected through threads, the inner diameter of the installation screw groove (12) is less than the inner diameter of the rotating hole (13). The diameter of the protruding rod (10) and the inner diameter of the connecting screw groove (9) are matched, the extrusion screw rod (8) and the connecting screw groove (9) are connected through threads.

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