CN212542721U

CN212542721U - Grounding terminal with high stability

Info

Publication number: CN212542721U
Application number: CN202021768394.2U
Authority: CN
Inventors: 王斌斌; 戴发志; 袁凌云
Original assignee: Suzhou Hyde Railway Equipment Co ltd
Current assignee: Suzhou Hyde Railway Equipment Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-02-12
Anticipated expiration: 2030-08-22

Abstract

The utility model discloses a grounding terminal with high stability, which comprises a connecting end and a connecting rod, wherein the connecting rod is welded on the upper end of the connecting end, and the jack has been seted up to the upper end of connecting rod, the screw has been seted up to the lateral wall of connecting rod, the spiro union has the screw in the screw, it has the sinle silk to peg graft in the jack, the terminal of screw all pegs graft in the inside of sinle silk, the stabilizer ring of joint in the screw upside has been cup jointed to the outside of connecting rod, in time, the connecting rod is influenced by the vibration and is become flexible, there is the screw part firmly to grasp the concrete piece still, can not influence electrically conductive efficiency, be interference connected between stabilizer ring and the connecting rod, the stabilizer ring need use the instrument of hammer to beat just can overlap the connecting rod outside, the resistance that the ring body brought when the conical surface of ring body can reduce ground connection terminal embedding ground, the draw-in groove can play the support guard.

Description

Grounding terminal with high stability

Technical Field

The utility model relates to a railway construction technical field specifically is a ground terminal with high stability.

Background

The terminal connected to the grounding body is a grounding terminal. The material is determined according to the material of the conducting wire. Most are copper, but there are also copper-aluminum transition terminals. The cast material is cast with pure copper or anticorrosive stainless steel and poured into cable duct or other concrete product, and is used widely in petrochemical, electrified high speed railway, transformer substation and other fields. The tail end extension wire core of the commonly used grounding terminal is usually fixed in a welding mode, the fixing process is troublesome, equipment such as argon arc welding and the like needs to be used, the grounding terminal is thin in buried end and is rod-shaped with a smooth outer surface, and the grounding terminal is easy to loosen when being subjected to high-strength vibration and separated from a concrete structure, so that the electric conductivity is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ground terminal with high stability to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ground terminal with high stability, includes link and connecting rod, the upper end of connecting rod welding and link, and the upper end of connecting rod has seted up the jack, the screw has been seted up to the lateral wall of connecting rod, the spiro union has the screw in the screw, it has the sinle silk to peg graft in the jack, the end of screw is all pegged graft in the inside of sinle silk, the stabilizing ring of joint in the screw upside has been cup jointed to the outside of connecting rod.

Preferably, the stabilizing ring comprises a ring body, the ring body is sleeved outside the connecting rod, the inner surface of the ring body is tightly attached to the outer wall of the connecting rod, clamping grooves are uniformly formed in the lower surface of the ring body, and the clamping grooves are clamped outside the screws.

Preferably, the inner surface of the connecting end is provided with threads.

Preferably, the length of the screw is 150% of the length of the radius of the connecting rod.

Preferably, the inner surface of the ring body is uniformly and integrally formed with a flange which is closely attached to the surface of the connecting rod.

Preferably, the upper end of the outer wall of the ring body is provided with a conical surface.

Compared with the prior art, the beneficial effects of the utility model are that: a high-stability grounding terminal is characterized in that the grounding terminal is fixedly connected with a wire core at the tail end of a rod in an embedded mode through screws, four screws are inserted into a wire bundle of the wire core to achieve the purpose of fixing the wire core, the operation does not need to use electric welding equipment and the like, the installation can be completed only by screwing down the screws, as the screws are long, part of the screws are left outside after the screwing is completed, the residual screws are communicated and embedded into concrete together, the screws can play the role of clamping jaws, the fixing effect of the grounding terminal in the concrete is improved, a connecting rod is loosened under the influence of vibration in time, a screw part still holds a concrete block tightly, the electric conduction efficiency cannot be influenced, an interference connection relation is formed between a stabilizing ring and the connecting rod, the stabilizing ring can be sleeved outside the connecting rod only by beating with a tool of a hammer, and the resistance brought by the grounding terminal when the ring body is, the draw-in groove can play the support guard action to the screw, improves structural strength, and the land fertility is grabbed in the reinforcing plays the effect that improves structural stability.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic bottom view of the present invention;

fig. 3 is a schematic view of the structure of the stabilizing ring of the present invention.

In the figure: 1 connecting end, 2 connecting rods, 3 jacks, 4 wire cores, 5 stabilizing rings, 6 screw holes, 7 screws, 8 threads, 9 ring bodies, 10 clamping grooves, 11 flanges and 12 conical surfaces.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a ground terminal with high stability, includes link 1 and connecting

rod

2, 2 welding of connecting rod and the upper end of link 1, and the jack 3 has been seted up to the upper end of connecting rod 2, and screw 6 has been seted up to the lateral wall of connecting rod 2, and the spiro union has screw 7 in the screw 6, and 3 interpolations in the jack have sinle silk 4, and the end of screw 7 is all pegged graft in the inside of sinle silk 4, and the stabilizing ring 5 of joint in screw 7 upside has been cup jointed to the outside of connecting rod 2.

Particularly, stabilizer ring 5 includes ring body 9, and ring body 9 cup joints in the outside of connecting rod 2, and ring body 9's internal surface closely laminates in the outer wall of connecting rod 2, and draw-in groove 10 has evenly been seted up to ring body 9's lower surface, and draw-in groove 10 joint is in the outside of screw 7.

Specifically, the inner surface of the connection end 1 is threaded 8.

Specifically, the length of the screw 7 is 150% of the length of the radius of the connecting rod 2.

Specifically, a flange 11 closely attached to the surface of the link 2 is integrally formed on the inner surface of the ring body 9.

Specifically, the upper end of the outer wall of the ring body 9 is provided with a tapered surface 12.

The working principle is as follows: when the utility model is used, the grounding terminal is inserted into the wire bundle of the wire core through the wire core 4 at the tail end of the screw 7 embedded type fixed connecting rod 2, four screws 7 are inserted into the wire bundle of the wire core to achieve the purpose of fixing the wire core 4, the operation does not need to use the electric welding equipment and the like, the installation can be completed only by screwing down the screws, because the screws 7 are longer, part of the screws 7 are remained outside after the screw connection is completed, the remained screws are connected and embedded into the concrete, the screws 7 can play the role of clamping jaws, the fixing effect of the grounding terminal in the concrete is improved, in time, the connecting rod 2 is loosened under the influence of vibration, the part of the screws 7 still grasp the concrete block, the conductive efficiency cannot be influenced, the interference connection relationship is formed between the stabilizing ring 5 and the connecting rod 2, the stabilizing ring 5 can be sleeved outside the connecting rod 2 only by knocking the tool of a hammer, the resistance brought by the ring body 9 when the grounding, the clamping groove 10 can support and protect the screw 7, so that the structural strength is improved, and the ground grabbing force is enhanced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ground terminal with high stability, includes link (1) and connecting rod (2), its characterized in that: connecting rod (2) welding and the upper end of link (1), and jack (3) have been seted up to the upper end of connecting rod (2), screw (6) have been seted up to the lateral wall of connecting rod (2), threaded connection has screw (7) in screw (6), it has sinle silk (4) to peg graft in jack (3), the end of screw (7) is all pegged graft in the inside of sinle silk (4), stabilizer ring (5) of joint in screw (7) upside have been cup jointed to the outside of connecting rod (2).

2. A ground terminal with high stability according to claim 1, wherein: stabilizer ring (5) include ring body (9), ring body (9) cup joint in the outside of connecting rod (2), and the internal surface of ring body (9) closely laminates in the outer wall of connecting rod (2), draw-in groove (10) have evenly been seted up to the lower surface of ring body (9), draw-in groove (10) joint in the outside of screw (7).

3. A ground terminal with high stability according to claim 1, wherein: the inner surface of the connecting end (1) is provided with threads (8).

4. A ground terminal with high stability according to claim 1, wherein: the length of the screw (7) is 150% of the radius length of the connecting rod (2).

5. A ground terminal with high stability according to claim 2, wherein: the inner surface of the ring body (9) is uniformly and integrally formed with a flange (11) which is closely attached to the surface of the connecting rod (2).

6. A ground terminal with high stability according to claim 2, wherein: the upper end of the outer wall of the ring body (9) is provided with a conical surface (12).