CN213383946U - Bus line clamp - Google Patents

Abstract

The utility model discloses a bus bar wire clamp, which comprises a first clamping block, a second clamping block and a grounding ring, wherein the first clamping block and the second clamping block are arranged in bilateral symmetry, the right side of the first clamping block is provided with a clamping groove for clamping a bus bar, the first clamping block is provided with a first through hole, a second through hole, a third through hole and a fourth through hole which penetrate through the first clamping block, and the first through hole and the second through hole penetrate through the upper and lower surfaces of the first clamping block and are used for connecting an electric connecting wire; the through hole III with the through hole IV runs through the left side and the right side of the clamping block I, the clamping block I and the clamping block II are connected through inserting a bolt into the through hole I and the through hole II, the end part of the connected bolt is connected with a nut and a nut, the outer diameter of the nut is larger than the outer diameter of the through hole I and the through hole II, a bus bar electric connection wire clamp is formed by the connected clamping block I and the clamping block II, and a bus bar grounding wire clamp is formed by the right side of the bus bar electric connection wire clamp and the grounding ring after the grounding ring is connected. The utility model discloses simple structure can reduction in production cost.

Description

Bus line clamp

Technical Field

The utility model relates to an urban rail transit contact net technical field, in particular to busbar fastener.

Background

The bus clamp comprises a bus grounding clamp and a bus electric connecting clamp, and is an important part for a bus of an urban rail transit rigid contact network. The busbar electric connection wire clamp is used for electrically connecting a busbar and a busbar in a rigid contact network non-insulated anchor section joint, and each non-insulated anchor section joint is provided with 10 wire clamps; the busbar grounding clamp is used for grounding when a contact net is overhauled, and 1 busbar grounding clamp is installed every 50-100 meters along the busbar. The bus-bar wire clamp has larger consumption, but the bus-bar wire clamp used in the prior engineering has the defects of complex structure, higher production cost and the like.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model aims at providing a simple structure's busbar fastener.

The technical scheme of the utility model as follows:

a bus bar wire clamp comprises a first clamping block, a second clamping block and a grounding ring, wherein the first clamping block and the second clamping block are arranged in bilateral symmetry, a clamping groove for clamping a bus bar is formed in the right side of the first clamping block, a first through hole, a second through hole, a third through hole and a fourth through hole which penetrate through the first clamping block are formed in the first clamping block, and the first through hole and the second through hole penetrate through the upper surface and the lower surface of the first clamping block and are used for connecting an electric connecting wire; the through hole III with the through hole IV runs through the left side and the right side of the clamping block I, the clamping block I and the clamping block II are connected through inserting a bolt into the through hole I and the through hole II, the end part of the connected bolt is connected with a nut and a nut, the outer diameter of the nut is larger than the outer diameter of the through hole I and the through hole II, a bus bar electric connection wire clamp is formed by the connected clamping block I and the clamping block II, and a bus bar grounding wire clamp is formed by the right side of the bus bar electric connection wire clamp and the grounding ring after the grounding ring is connected.

Preferably, the third through hole and the fourth through hole are symmetrically arranged about a central axis on the right side of the first clamping block.

Preferably, the first through hole and the second through hole are arranged between the third through hole and the fourth through hole.

Preferably, the third through hole and the fourth through hole are internally provided with internal threads matched with the bolts.

Preferably, the grounding ring is in a shape of a v 21274, and consists of a first cylindrical section, a first elbow, a second cylindrical section, a second elbow and a third cylindrical section which are sequentially connected.

Preferably, a first circular groove and a second circular groove which are matched with the first cylindrical section and the third cylindrical section are formed in the right side of the second clamping block, the first cylindrical section is inserted into the first circular groove and is connected with the first circular groove in a welding mode, and the third cylindrical section is inserted into the second circular groove and is connected with the second circular groove in a welding mode.

Preferably, the first clamping block and the second clamping block of the busbar electric connecting wire clamp are both made of 1050A pure aluminum materials; the clamping block I of the bus bar grounding wire clamp is made of 1050A pure aluminum materials or 6082 aluminum alloy materials, and the clamping block II and the grounding ring of the bus bar grounding wire clamp are made of 6082 aluminum alloy materials.

Preferably, the lower notch of the clamping groove is an arc-shaped surface.

Preferably, the shape of the clamping groove matches with the shape of the bus bar clamping end.

The utility model has the advantages that:

the utility model discloses can be used for the centre gripping busbar, and simple structure can reduce the manufacturing cost of fastener.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of an electrical connection clip for a bus bar according to the present invention;

FIG. 2 is a schematic view of the bus bar grounding clip structure of the present invention;

FIG. 3 is a schematic structural view of a clamp block of the present invention;

FIG. 4 is a schematic structural view of a second clamping block of the bus grounding clamp of the present invention;

fig. 5 is a schematic structural view of an embodiment of a first clamping block of the present invention;

fig. 6 is a schematic structural view of an embodiment of the bus bar electrical connection clamp of the present invention.

Reference numbers in the figures:

1-clamping block I, 2-clamping block II, 3-grounding ring, 301-first cylindrical section, 302-elbow I, 303-second cylindrical section, 304-elbow II, 305-third cylindrical section, 4-bus bar, 5-clamping groove, 7-through hole I, 8-through hole II, 9-through hole III, 10-through hole IV, 11-bolt, 12-nut, 13-circular groove I and 14-circular groove II.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

It should be noted that, in the present application, the embodiments and the technical features of the embodiments may be combined with each other without conflict.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, the terms "first", "second", and the like are used for distinguishing similar objects, and not for describing a particular order or sequence order, unless otherwise specified. It is to be understood that the terms so used; the terms "upper", "lower", "left", "right", and the like are used generally with respect to the orientation shown in the drawings, or with respect to the component itself in a vertical, or gravitational orientation; likewise, "inner", "outer", and the like refer to the inner and outer relative to the contours of the components themselves for ease of understanding and description. The above directional terms are not intended to limit the present invention.

As shown in fig. 1-6, a bus bar clamp includes a first clamping block 1, a second clamping block 2 and a ground ring 3, the first clamping block 1 and the second clamping block 2 are arranged in bilateral symmetry, a clamping groove 5 for clamping a bus bar 4 is arranged on the right side of the first clamping block 1, a first through hole 7, a second through hole 8, a third through hole 9 and a fourth through hole 10 penetrating through the first clamping block 1 are arranged on the first clamping block 1, and the first through hole 7 and the second through hole 8 penetrate through the upper and lower surfaces of the first clamping block 1 for connecting an electrical connection line; the through-hole three 9 with the through-hole four 10 runs through the left and right sides of clamp splice 1, clamp splice 1 with clamp splice two 2 is through inserting bolt 11 through-hole 7 with link to each other in the through-hole two 8, and the 11 tip of bolt after connecting links to each other with nut 12, the external diameter of nut 12 is greater than through-hole 7 with the external diameter of through-hole two 8, clamp splice 1 and clamp splice two 2 after linking to each other form busbar electric connection fastener, the right side of busbar electric connection fastener with form busbar ground clamp after ground ring 3 links to each other.

In a specific embodiment, the through hole three 9 and the through hole four 10 are symmetrically arranged about a central axis on the right side of the clamping block one 1, the through hole one 7 and the through hole two 8 are arranged between the through hole three 9 and the through hole four 10, and internal threads matched with the bolt 11 are arranged in the through hole three 9 and the through hole four 10.

In a specific embodiment, the grounding ring 3 is in a v-21274, and is composed of a first cylindrical section 301, a first elbow 302, a second cylindrical section 303, a second elbow 304 and a third cylindrical section 305 which are connected in sequence, a first circular groove 13 and a second circular groove 14 which are matched with the first cylindrical section 301 and the third cylindrical section 305 are arranged on the right side of the second clamping block 2, the first cylindrical section 301 is inserted into the first circular groove 13 and is connected by welding, and the third cylindrical section 305 is inserted into the second circular groove 14 and is connected by welding. In this embodiment, a part of the grounding ring 3 is inserted into the second clamping block 2, so that the strength of the bus bar grounding clamp can be improved, and the service life of the bus bar grounding clamp can be prolonged.

In a specific embodiment, the first clamping block 1 and the second clamping block 2 of the bus bar electric connection wire clamp are both made of 1050A pure aluminum materials; the clamp splice 1 of busbar earth clamp adopts 1050A pure aluminum material or 6082 aluminum alloy material preparation to form, the clamp splice two 2 and the earthing ring 3 of busbar earth clamp all adopt 6082 aluminum alloy material preparation to form. 1050A pure aluminum material's electric conductivity is better, and 6082 aluminum alloy material's hardness is higher, and the fastener of design can also satisfy the requirement of hardness when satisfying the electric conductivity requirement like this.

In a specific embodiment, as shown in fig. 5, the lower notch of the clamping slot 5 is an arc-shaped surface, so that the bus bar can be prevented from being damaged by the right-angled notch.

In a specific embodiment, the shape of the clamping groove 5 matches the shape of the clamping end of the busbar, which enables a tighter clamping of the busbar.

In all the embodiments, the structures of the first clamping block and the second clamping block can be integrally formed, the production cost can be greatly reduced compared with the prior art, the machining can be completed in the production process, and the environment cannot be polluted.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims (9)

1. A bus bar wire clamp is characterized by comprising a first clamping block, a second clamping block and a grounding ring, wherein the first clamping block and the second clamping block are arranged in bilateral symmetry, a clamping groove for clamping a bus bar is formed in the right side of the first clamping block, a first through hole, a second through hole, a third through hole and a fourth through hole which penetrate through the first clamping block are formed in the first clamping block, and the first through hole and the second through hole penetrate through the upper surface and the lower surface of the first clamping block and are used for connecting an electric connecting wire; the through hole III with the through hole IV runs through the left side and the right side of the clamping block I, the clamping block I and the clamping block II are connected through inserting a bolt into the through hole I and the through hole II, the end part of the connected bolt is connected with a nut and a nut, the outer diameter of the nut is larger than the outer diameter of the through hole I and the through hole II, a bus bar electric connection wire clamp is formed by the connected clamping block I and the clamping block II, and a bus bar grounding wire clamp is formed by the right side of the bus bar electric connection wire clamp and the grounding ring after the grounding ring is connected.

2. The bus bar clamp of claim 1, wherein the third and fourth through holes are symmetrically disposed about a central axis on a right side of the first clamping block.

3. The bus bar clip of claim 2, wherein the first and second through holes are disposed between the third and fourth through holes.

4. The bus bar clamp of claim 1, wherein the third and fourth through holes have internal threads that mate with the bolts.

5. The bus bar clip of claim 1, wherein the ground ring is of a v-21274j-shape comprising a first cylindrical segment, a first elbow, a second cylindrical segment, a second elbow, and a third cylindrical segment connected in series.

6. The bus bar clip according to claim 5, wherein the right side of the second clamping block is provided with a first circular groove and a second circular groove which are matched with the first cylindrical section and the third cylindrical section, the first cylindrical section is inserted into the first circular groove and welded, and the third cylindrical section is inserted into the second circular groove and welded.

7. The bus bar clamp of any of claims 1-6, wherein the first and second clamping blocks of the bus bar electrical connection clamp are both made of 1050A pure aluminum material; the clamping block I of the bus bar grounding wire clamp is made of 1050A pure aluminum materials or 6082 aluminum alloy materials, and the clamping block II and the grounding ring of the bus bar grounding wire clamp are made of 6082 aluminum alloy materials.

8. The bus bar clip according to any one of claims 1 to 6, wherein the lower notch of the clip groove is an arcuate surface.

9. The bus bar clip according to any of claims 1-6, wherein the shape of the clip groove matches the shape of the bus bar gripping end.

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