CN219458057U

CN219458057U - Lightning protection grounding wire clamp

Info

Publication number: CN219458057U
Application number: CN202320743225.0U
Authority: CN
Inventors: 郑巨州; 林杰; 江浩; 陈海云; 郑晓旭
Original assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Current assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-01
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a lightning protection grounding wire clamp, which comprises a cable connecting mechanism, wherein a detachable arc striking arm is arranged on the cable connecting mechanism, an insulator is fixedly connected to the bottom of the cable connecting mechanism, a fixed block is fixedly connected to the bottom of the insulator, a threaded hole is formed in the side part of the fixed block, a metal rod is arranged on the inner wall of the threaded hole, and a discharge gap is arranged between the metal rod and the arc striking arm. The utility model solves the problem that the installation distance between the grounding part and the striking part needs to be adjusted during installation.

Description

Lightning protection grounding wire clamp

Technical Field

The utility model relates to the technical field of power distribution fittings, in particular to a lightning protection grounding wire clamp.

Background

In the prior art, the lightning protection grounding wire clamp adopts a split type structure, and comprises a grounding part and an arc striking part, wherein the grounding part is fixed on a cable through an insulator, the arc striking part is also required to be fixed on the cable, and when the lightning protection grounding wire clamp is installed, the installation distance between the grounding part and the arc striking part is required to be adjusted so as to ensure that the grounding part and the arc striking part can be connected in a discharging manner when the cable is struck by lightning, the debugging process is very troublesome, and meanwhile, the installation of the grounding part and the arc striking part is inconvenient, so that the lightning protection grounding wire clamp is provided.

Disclosure of Invention

In order to solve the problem that the installation distance between the grounding part and the striking part needs to be adjusted during installation, the utility model aims to provide a lightning protection grounding wire clamp.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a lightning protection ground clamp, includes cable coupling mechanism, install detachable striking arm on the cable coupling mechanism, cable coupling mechanism's bottom fixedly connected with insulator, the bottom fixedly connected with fixed block of insulator, the screw hole has been seted up to the lateral part of fixed block, and the inner wall of screw hole installs the metal pole, be provided with the discharge gap between metal pole and the striking arm;

the cable coupling mechanism is including the rectangle piece, the edge fixedly connected with opening at rectangle piece top is the wire casing that sets up down, rectangular channel has been seted up to the top surface of rectangle piece, the inner wall sliding connection of rectangular channel has the clamp block with wire casing complex, the bottom threaded connection of rectangle piece is used for the threaded rod of jacking clamp block, the bottom fixedly connected with connecting block of threaded rod.

Preferably, the top of the clamping block is provided with an arc-shaped groove for clamping the cable in a matched mode with the wire slot.

Preferably, the bottom of the rectangular block is provided with a threaded hole communicated with the bottom of the rectangular groove, the threaded hole is in threaded fit with a threaded rod, and the threaded rod extends to the inside of the rectangular groove through the threaded hole.

Preferably, the bottom of the connecting block is fixedly connected with the top of the insulator.

Preferably, the arc striking arm comprises a metal ring, an arc striking rod is fixedly connected to the outer wall of the metal ring, the outer wall of the metal ring is sleeved with an insulating sleeve, an arc striking electrode is fixedly connected to the side wall of the arc striking rod, which is close to the bottom, the arc striking electrode is opposite to one end of the metal rod, the outer wall of the threaded rod, which is close to the bottom, is arranged as a smooth outer wall, and the smooth outer wall is in sliding connection with the inner wall of the metal ring.

Preferably, the outer wall of the threaded rod is sleeved with a compression spring, and two ends of the compression spring are respectively abutted against the metal ring and the rectangular block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the distance between the metal rod and the arc striking electrode on the arc striking arm can be adjusted by rotating the metal rod, so that the discharge gap is debugged, and the debugging is convenient;

2. according to the utility model, the threaded rod is screwed into the bottom of the rectangular block, and the clamping block is jacked up by the threaded rod, so that the wire slot and the arc-shaped slot are matched to clamp the cable, and the installation is very convenient;

3. according to the utility model, the threaded rod is screwed into the bottom of the rectangular block, and the rectangular block is propped against the compression spring, so that the bottom of the compression spring is propped against the metal ring, the metal ring is tightly close to the connecting block, and poor contact is avoided.

Drawings

The utility model is described in further detail below with reference to the attached drawings and detailed description:

FIG. 1 is a schematic overall structure of the present utility model;

fig. 2 is a schematic structural view of a portion of the present utility model.

In the figure: 1-cable coupling mechanism, 2-arc striking arm, 3-insulator, 4-fixed block, 5-metal pole, 6-rectangle piece, 7-wire casing, 8-rectangular slot, 9-clamp block, 901-arc groove, 10-threaded rod, 11-connecting block, 12-hold-down spring, 201-metal ring, 202-arc striking rod, 203-insulating cover, 204-arc striking electrode.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

The utility model provides a technical scheme that: the utility model provides a lightning protection ground clamp, includes cable coupling mechanism 1, install detachable striking arm 2 on the cable coupling mechanism 1 for be convenient for the assembly, the bottom fixedly connected with insulator 3 of cable coupling mechanism 1, the bottom fixedly connected with fixed block 4 of insulator 3, screw hole has been seted up to the lateral part of fixed block 4, and the inner wall of screw hole installs metal pole 5, be provided with the discharge gap between metal pole 5 and the striking arm 2; the distance between the metal rod 5 and the arc striking electrode 204 on the arc striking arm 2 can be adjusted by rotating the metal rod, so that the discharge gap is debugged, and the debugging is convenient.

The cable coupling mechanism 1 is including rectangle piece 6, the edge fixedly connected with opening at rectangle piece 6 top is the wire casing 7 that sets up down, rectangle groove 8 has been seted up to rectangle piece 6's top surface, rectangle groove 8's inner wall sliding connection has with wire casing 7 complex clamp block 9, the bottom threaded connection of rectangle piece 6 is used for jacking clamp block 9's threaded rod 10, the bottom fixedly connected with connecting block 11 of threaded rod 10, clamp block 9's top has been seted up and has been used for the arc groove 901 with wire casing 7 cooperation clamp cable. The bottom of the rectangular block 6 is provided with a threaded hole communicated with the bottom of the rectangular groove 8, the threaded hole is in threaded fit with the threaded rod 10, the threaded rod 10 extends to the inside of the rectangular groove 8 through the threaded hole, the insulator 3 is rotated to enable the threaded rod 10 to be screwed into the bottom of the rectangular block 6, the clamping block 9 is lifted through the threaded rod 10, and then the wire slot 7 is matched with the arc-shaped groove 901 to clamp a cable, so that the installation is very convenient;

the bottom of the connecting block 11 is fixedly connected with the top of the insulator 3.

The arc striking arm 2 comprises a metal ring 201, an arc striking rod 202 is fixedly connected to the outer wall of the metal ring 201, an insulating sleeve 203 is sleeved on the outer wall of the metal ring 201, an arc striking electrode 204 is fixedly connected to the side wall, close to the bottom, of the arc striking rod 202, the arc striking electrode 204 is opposite to one end of the metal rod 5, a smooth outer wall is arranged on the outer wall, close to the bottom, of the threaded rod 10, and the smooth outer wall is in sliding connection with the inner wall of the metal ring 201.

The outer wall of threaded rod 10 has cup jointed hold-down spring 12, hold-down spring 12's both ends support tightly with metal ring 201, rectangular piece 6 respectively, and when threaded rod 10 precessed rectangular piece 6's bottom, rectangular piece 6 supports and presses down tight spring 12 for hold-down spring 12's bottom supports tightly metal ring 201, and then makes metal ring 201 and connecting block 11 closely press close to, avoids the bad contact.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The utility model provides a lightning protection ground clamp, includes cable coupling mechanism (1), its characterized in that: the detachable arc striking arm (2) is installed on the cable connecting mechanism (1), an insulator (3) is fixedly connected to the bottom of the cable connecting mechanism (1), a fixed block (4) is fixedly connected to the bottom of the insulator (3), a threaded hole is formed in the side portion of the fixed block (4), a metal rod (5) is installed on the inner wall of the threaded hole, and a discharge gap is formed between the metal rod (5) and the arc striking arm (2);

the cable connecting mechanism (1) comprises a rectangular block (6), a wire groove (7) with an opening arranged downwards is fixedly connected to the edge of the top of the rectangular block (6), a rectangular groove (8) is formed in the top surface of the rectangular block (6), a clamping block (9) matched with the wire groove (7) is slidably connected to the inner wall of the rectangular groove (8), a threaded rod (10) for jacking the clamping block (9) is connected to the bottom of the rectangular block (6) in a threaded mode, and a connecting block (11) is fixedly connected to the bottom of the threaded rod (10).

2. The lightning grounding clip of claim 1, wherein: an arc-shaped groove (901) for clamping the cable in a matched mode with the wire groove (7) is formed in the top of the clamping block (9).

3. The lightning grounding clip of claim 1, wherein: the bottom of rectangular block (6) has offered the screw hole with rectangular channel (8) bottom intercommunication, and screw hole and threaded rod (10) are screw-thread fit, threaded rod (10) extend to rectangular channel (8) inside through the screw hole.

4. The lightning grounding clip of claim 1, wherein: the bottom of the connecting block (11) is fixedly connected with the top of the insulator (3).

5. The lightning grounding clip of claim 1, wherein: the arc striking arm (2) comprises a metal ring (201), an arc striking rod (202) is fixedly connected to the outer wall of the metal ring (201), an insulating sleeve (203) is sleeved on the outer wall of the metal ring (201), an arc striking electrode (204) is fixedly connected to the side wall, close to the bottom, of the arc striking rod (202), the arc striking electrode (204) is opposite to one end of the metal rod (5), the outer wall, close to the bottom, of the threaded rod (10) is a smooth outer wall, and the smooth outer wall is in sliding connection with the inner wall of the metal ring (201).

6. The lightning grounding clip of claim 5, wherein: the outer wall of the threaded rod (10) is sleeved with a compression spring (12), and two ends of the compression spring (12) are respectively abutted against the metal ring (201) and the rectangular block (6).