CN218519562U - Busbar elastic suspension wire clamp - Google Patents
Busbar elastic suspension wire clamp Download PDFInfo
- Publication number
- CN218519562U CN218519562U CN202222827820.0U CN202222827820U CN218519562U CN 218519562 U CN218519562 U CN 218519562U CN 202222827820 U CN202222827820 U CN 202222827820U CN 218519562 U CN218519562 U CN 218519562U
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- China
- Prior art keywords
- wire clamp
- busbar
- cylindrical connecting
- umbrella skirt
- insulating
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Abstract
An elastic suspension wire clamp for a busbar comprises a wire clamp body, wherein the wire clamp body comprises an upper cylindrical connecting part and a lower busbar clamping part; the wire clamp comprises a wire clamp body and is characterized in that an insulating shed is sleeved on the periphery of the tubular connecting portion, a connecting bolt is embedded in the center of the insulating shed, elastic rubber is filled between the tubular connecting portion and the insulating shed, and the insulating shed and the wire clamp body are connected and fixed into a whole through the elastic rubber. The utility model discloses be in the same place insulating full skirt and the ingenious combination of elastic construction and fastener body, not only satisfied busbar elasticity and hung the requirement, reduced the mounting height moreover, satisfied the interior clearance less user demand relatively of tunnel.
Description
Technical Field
The utility model belongs to the technical field of urban rail transit equipment technique and specifically relates to a busbar elasticity hangs fastener is related to.
Background
With the rapid development of urban rail transit construction, rigid overhead contact networks are increasingly widely applied. The rigid overhead contact system horizontally suspends the busbar above a line through a busbar positioning wire clamp, and clamps the contact line through the busbar. The existing elastic positioning wire clamp for the busbar (application number: 201020617001.8) comprises a body, a connecting bolt and a spring, and has the following problems in the use process:
1. the axial stress of the compression spring in the bend area is uneven, so that the impact energy brought by the pantograph cannot be completely absorbed, the abrasion of a contact line is large, and the arc discharge phenomenon can be generated when the impact is serious.
2. The insulator needs to be arranged above the cable clamp during installation, the clearance required by installation is relatively large, and the relatively small use requirement of the clearance in the tunnel cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model provides a busbar elastic suspension fastener to overcome the not enough of prior art.
The utility model adopts the technical proposal that: an elastic suspension wire clamp for a busbar comprises a wire clamp body, wherein the wire clamp body comprises an upper cylindrical connecting part and a lower busbar clamping part; the wire clamp comprises a wire clamp body and is characterized in that an insulating shed is sleeved on the periphery of the tubular connecting portion, a connecting bolt is embedded in the center of the insulating shed, elastic rubber is filled between the tubular connecting portion and the insulating shed, and the insulating shed and the wire clamp body are connected and fixed into a whole through the elastic rubber.
The center of the insulating umbrella skirt is provided with an embedding column extending to the bottom, and the embedding column is inserted into the center of the cylindrical connecting part and has a certain gap with the cylindrical connecting part; the lower part of the connecting bolt is embedded in the center of the embedded column, and the upper part of the connecting bolt extends out of the top end of the insulating umbrella skirt.
A first injection hole penetrating through the cylindrical connecting part is arranged in the center of the clamping part of the busbar, a plurality of second injection holes are arranged on the side wall of the cylindrical connecting part, the elastic rubber enters from the first pressure injection hole and fills a gap between the cylindrical connecting part and the insulating umbrella skirt through the second pressure injection hole.
The inner surface and the outer surface of the cylindrical connecting part are rough surfaces, and the outer surface of the embedded column is provided with annular teeth.
The outer wall of the lower end of the insulating umbrella skirt is provided with an annular convex edge, and the elastic rubber covers the annular convex edge.
The bus bar clamping part is characterized in that clamping grooves are symmetrically formed in two sides of the bus bar clamping part, limiting holes are formed in the side walls of the clamping grooves, U-shaped wear-resistant clamping plates are clamped in the clamping grooves, positioning columns are arranged on the outer sides of the U-shaped wear-resistant clamping plates, and the positioning columns are inserted in the limiting holes.
Compared with the prior art, the utility model discloses beneficial effect who has:
1. the utility model discloses be in the same place insulating full skirt and the ingenious combination of elastic construction and fastener body, not only satisfied busbar elasticity and hung the requirement, reduced the mounting height moreover, satisfied the interior clearance less user demand relatively of tunnel.
2. The utility model discloses an elastic rubber replaces the cylindricality spring, and when the pantograph passed through, the busbar produced the vibration and passed through the whole elastic rubber that transmits of fastener body, produced elastic deformation through elastic rubber and absorbed the impact energy of pantograph for the pantograph operation is more steady, and the current receiving effect is better, reduces the wearing and tearing of contact wire, prolongs the life of pantograph and contact wire.
3. The utility model discloses light in weight (alleviateing about 18% than current structure), tensile destruction load reaches more than 18 kN.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a schematic sectional view of the structure of the insulating shed with the connecting bolt;
fig. 3 is a schematic structural view of the wire clamp body of the present invention;
fig. 4 is a schematic view of the U-shaped wear-resistant splint structure of the present invention.
Detailed Description
The present invention will be described in detail with reference to the embodiments shown in fig. 1 to 4.
An elastic suspension wire clamp for a busbar comprises a wire clamp body 2, wherein the wire clamp body 2 comprises an upper cylindrical connecting part 2-1 and a lower busbar clamping part 2-2; the wire clamp comprises a cylindrical connecting part 2-1, and is characterized in that an insulating umbrella skirt 1 is sleeved on the periphery of the cylindrical connecting part 2-1, a connecting bolt 3 is embedded in the center of the insulating umbrella skirt 1, elastic rubber 5 is filled between the cylindrical connecting part 2-1 and the insulating umbrella skirt 1, and the insulating umbrella skirt 1 and a wire clamp body 2 are connected and fixed into a whole through the elastic rubber 5.
In order to improve the bonding strength and reliability of the elastic rubber 5, the insulating shed 1 and the wire clamp body 2. The center of the insulating umbrella skirt 1 is provided with an embedded column 1-1 extending to the bottom, and the embedded column 1-1 is inserted into the center of the cylindrical connecting part 2-1 and has a certain gap with the cylindrical connecting part 2-1; the inner surface and the outer surface of the cylindrical connecting part 2-1 are rough surfaces, and the outer surface of the embedded column 1-1 is provided with annular teeth 1-2.
In order to prevent dirt from entering the inside of the insulating umbrella skirt 1 to influence the insulating property, the outer wall of the lower end of the insulating umbrella skirt 1 is provided with an annular convex edge 1-3, and the elastic rubber 5 wraps the annular convex edge 1-3.
In order to improve the connection strength and reliability of the connecting bolt 3 and the insulating shed 1. The lower part of the connecting bolt 3 is embedded in the center of the embedded column 1-1, and the upper part of the connecting bolt extends out of the top end of the insulating umbrella skirt 1. And the connecting bolts 3 are embedded and fixed together when the insulating umbrella skirt 1 is formed.
In order to conveniently press and inject the elastic rubber 5 and ensure that the elastic rubber 5 can fill all gaps between the cylindrical connecting part 2-1 and the insulating umbrella skirt 1. A first injection hole 2-3 penetrating through the cylindrical connecting part 2-1 is formed in the center of the busbar clamping part 2-2, a plurality of second injection holes 2-4 are formed in the side wall of the cylindrical connecting part 2-1, and the elastic rubber 5 enters from the first injection holes 2-3 and fills a gap between the cylindrical connecting part 2-1 and the insulating umbrella skirt 1 through the second injection holes 2-4.
In order to ensure that the bus bar is reliably clamped and the position of the bus bar is accurate, clamping grooves 2-6 are symmetrically formed in two sides of the clamping portion 2-2 of the bus bar, limiting holes 2-5 are formed in the side walls of the clamping grooves 2-6, a U-shaped wear-resistant clamping plate 4 is clamped in the clamping grooves 2-6, a positioning column 4-1 is arranged on the outer side of the U-shaped wear-resistant clamping plate 4, and the positioning column 4-1 is inserted in the limiting holes 2-5.
The wire clamp body 2 is integrally cast and molded by stainless steel, and the insulating umbrella skirt 1 is made of hard insulating polymer composite materials. The U-shaped wear-resistant clamping plate 4 is made of a conductive material.
When in use, the utility model is fixedly suspended above the circuit by the connecting bolts, and the bus bar is clamped and positioned by the clamping grooves 2-6 and the U-shaped wear-resistant splint 6. Under the action of gravity of the busbar and the contact line, the elastic rubber 5 is in a stretching state; when the pantograph of the train passes through the position, the wire clamp body 2 is impacted and vibrated upwards, and the elastic rubber 5 retracts upwards to deform and absorb energy; after the train pantograph passes through the position, the elastic rubber 5 restores to enable the wire clamp body 2 to restore to the initial working state.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a busbar elasticity suspension fastener which characterized in that: the wire clamp comprises a wire clamp body (2), wherein the wire clamp body (2) comprises a cylindrical connecting part (2-1) at the upper part and a busbar clamping part (2-2) at the lower part; the wire clamp is characterized in that an insulating umbrella skirt (1) is sleeved on the periphery of the cylindrical connecting portion (2-1), a connecting bolt (3) is embedded in the center of the insulating umbrella skirt (1), elastic rubber (5) is filled between the cylindrical connecting portion (2-1) and the insulating umbrella skirt (1), and the insulating umbrella skirt (1) and the wire clamp body (2) are connected and fixed into a whole through the elastic rubber (5).
2. The busbar elastic suspension clamp of claim 1, wherein: the center of the insulating umbrella skirt (1) is provided with an embedded column (1-1) extending to the bottom, and the embedded column (1-1) is inserted into the center of the cylindrical connecting part (2-1) and has a certain gap with the cylindrical connecting part (2-1); the lower part of the connecting bolt (3) is embedded in the center of the embedded column (1-1), and the upper part of the connecting bolt extends out of the top end of the insulating umbrella skirt (1).
3. The busbar elastic suspension clamp of claim 2, wherein: the bus bar clamping part (2-2) is characterized in that a first pressure injection hole (2-3) penetrating through the cylindrical connecting part (2-1) is formed in the center of the bus bar clamping part (2-2), a plurality of second pressure injection holes (2-4) are formed in the side wall of the cylindrical connecting part (2-1), and the elastic rubber (5) enters from the first pressure injection hole (2-3) and is filled in a gap between the cylindrical connecting part (2-1) and the insulating umbrella skirt (1) through the second pressure injection holes (2-4).
4. A busbar resilient suspension clamp as claimed in claim 3, wherein: the inner surface and the outer surface of the cylindrical connecting part (2-1) are rough surfaces, and the outer surface of the embedded column (1-1) is provided with annular teeth (1-2).
5. The busbar elastic suspension clamp of claim 4, wherein: the outer wall of the lower end of the insulating umbrella skirt (1) is provided with an annular convex edge (1-3), and the elastic rubber (5) wraps the annular convex edge (1-3).
6. The busbar elastic suspension clamp of claim 5, wherein: the bus bar clamping part (2-2) is symmetrically provided with clamping grooves (2-6) on two sides, limiting holes (2-5) are formed in the side walls of the clamping grooves (2-6), U-shaped wear-resistant clamping plates (4) are clamped in the clamping grooves (2-6), positioning columns (4-1) are arranged on the outer sides of the U-shaped wear-resistant clamping plates (4), and the positioning columns (4-1) are inserted in the limiting holes (2-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222827820.0U CN218519562U (en) | 2022-10-26 | 2022-10-26 | Busbar elastic suspension wire clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222827820.0U CN218519562U (en) | 2022-10-26 | 2022-10-26 | Busbar elastic suspension wire clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218519562U true CN218519562U (en) | 2023-02-24 |
Family
ID=85250742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222827820.0U Active CN218519562U (en) | 2022-10-26 | 2022-10-26 | Busbar elastic suspension wire clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218519562U (en) |
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2022
- 2022-10-26 CN CN202222827820.0U patent/CN218519562U/en active Active
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