CN214728306U

CN214728306U - Contact wire connecting clamp for sectional insulator

Info

Publication number: CN214728306U
Application number: CN202120958043.6U
Authority: CN
Inventors: 赵思宇; 韩宝峰; 李永生; 李渊博; 黄婷
Original assignee: Baoji Bao De Li Electrification Equipment Co ltd
Current assignee: Baoji Bao De Li Electrification Equipment Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-16
Anticipated expiration: 2031-05-07

Abstract

A contact wire connecting clamp for a sectional insulator comprises a first wire clamp body, a second wire clamp body, a connecting shaft and a bolt, wherein threaded holes and through holes are alternately arranged at one end of the first wire clamp body and one end of the second wire clamp body; the connecting shaft is sequentially provided with a first hinge section, an annular boss, an external thread section and a second hinge section along the axial direction; the first wire clamp body and the second wire clamp body are oppositely arranged, the bolt penetrates through the first through hole and the second through hole to be in threaded connection with the corresponding second threaded hole and the corresponding first threaded hole respectively, the connecting shaft penetrates through the outer threaded section of the connecting hole to be in threaded connection with the threaded hole, the inner end face of the annular boss is abutted to the annular shoulder, and the first hinge section and the second hinge section are located outside the first wire clamp body and the second wire clamp body respectively. The utility model discloses in order to overcome prior art not enough.

Description

Contact wire connecting clamp for sectional insulator

Technical Field

The utility model belongs to the technical field of electronic railway connecting net spare part, concretely relates to contact wire connecting clamp for section insulator.

Background

The connecting clamp of the contact wire is one of key parts in the sectional insulator, one end of the connecting clamp is connected with the sectional insulator body, the other end is connected with the contact wire, and the sectional insulator is fixed at a specific installation position by using the tension of the cable and the suspension device; the existing connecting wire clamp is connected with the sectional insulator body in a cylindrical pin hinged mode, the hinged end is fastened without bolts, when the contact wire and the connecting wire clamp are installed, the end of the contact wire is bent upwards after the contact wire of the hinged end needs to be cut off, and when the contact wire is bent upwards, bulges easily at the bent position, so that the contact wire cannot be attached to the connecting wire clamp, a hard point exists at the installation position of the sectional insulator, and a pantograph is unstable when passing through.

SUMMERY OF THE UTILITY MODEL

The utility model provides a contact wire connecting clamp for sectional insulator to overcome the not enough of prior art.

The utility model adopts the technical proposal that: a contact line connecting clamp for a sectional insulator comprises a first clamp body, a second clamp body, a connecting shaft and a bolt, wherein a first threaded hole and a first through hole are alternately arranged at one end of the first clamp body, a connecting hole is formed in the other end of the first clamp body, an annular shoulder is arranged at the outer end of the connecting hole, a first clamping groove and a first guide groove are formed in the bottom of the inner side of the first clamp body, a first convex edge is formed in the top of the first clamp body, and the first clamping groove is located below the first threaded hole and the first through hole; the second clamping groove is positioned below the second threaded hole and the second through hole; the connecting shaft is sequentially provided with a first hinge section, an annular boss, an external thread section and a second hinge section along the axial direction; the first wire clamp body and the second wire clamp body are oppositely arranged, the bolt penetrates through the first through hole and the second through hole to be in threaded connection with the corresponding second threaded hole and the corresponding first threaded hole respectively, the connecting shaft penetrates through the external thread section of the connecting hole to be in threaded connection with the threaded hole, the inner end face of the annular boss is tightly abutted to the annular shoulder, and the first hinge section and the second hinge section are located outside the first wire clamp body and the second wire clamp body respectively.

The surface of the first clamping groove is provided with anti-slip teeth.

The threads of the threaded hole and the external thread section are fine threads.

The outer end of the first hinge section is provided with an inner hexagonal counter bore.

Compared with the prior art, the utility model discloses beneficial effect who has:

the utility model discloses a set up the screw hole on setting up external screw thread, the second wire clamp body on the connecting axle, pass through the screw fastening connection with the hinged end of first wire clamp body, the second wire clamp body, make the hinged end have certain clamp force to the contact wire, the position of contact wire is injectd in the setting through the guide way simultaneously, has eliminated the bulge of contact wire tip when upwards buckling among the prior art, does not hug closely the phenomenon, and then has guaranteed that the pantograph steadily passes through. In addition, the annular boss is arranged on the connecting shaft, the annular shoulder is arranged on the first wire clamp body, and the hinge sections extending out of the first wire clamp body and the second wire clamp body are ensured to be equal in length by matching of the annular boss and the annular shoulder, so that the hinge sections are conveniently hinged with the segmented insulator base.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the hinge end structure of the present invention;

FIG. 3 is a schematic view of the structure of the connecting shaft of the present invention;

FIG. 4 is a schematic view of the outer side of the first wire clip body of the present invention;

FIG. 5 is a schematic view of the inner side of the first wire clip body of the present invention;

fig. 6 is a schematic view of the inner side structure of the second wire clamp of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1-6 and the detailed description thereof.

A contact line connecting clamp for a sectional insulator comprises a first wire clamp body 1, a second wire clamp body 2, a connecting shaft 3 and a bolt 4, wherein one end of the first wire clamp body 1 is alternately provided with a first threaded hole 1-3 and a first through hole 1-4, the other end of the first wire clamp body is provided with a connecting hole 1-1, the outer end of the connecting hole 1-1 is provided with an annular shoulder 1-2, the bottom of the inner side of the first wire clamp body 1 is provided with a first clamping groove 1-5 and a first guide groove 1-6, the top of the first wire clamp body is provided with a first convex edge 1-7, and the first clamping groove 1-5 is positioned below the first threaded hole 1-3 and the first through hole 1-4; one end of the second wire clamp body 2 is alternately provided with second threaded holes 2-2 and second through holes 2-3, the other end of the second wire clamp body is provided with a threaded hole 2-1, the bottom of the inner side of the second wire clamp body 2 is provided with second clamping grooves 2-4 and second guide grooves 2-5, the top of the second wire clamp body is provided with second convex edges 2-6, and the second clamping grooves 2-4 are positioned below the second threaded holes 2-2 and the second through holes 2-3; the connecting shaft 3 is sequentially provided with a first hinge section 3-1, an annular boss 3-2, an external thread section 3-3 and a second hinge section 3-4 along the axial direction; the first wire clamp body 1 and the second wire clamp body 2 are oppositely arranged, the bolt 4 penetrates through the first through hole 4-1 and the second through hole 2-3 to be in threaded connection with the corresponding second threaded hole 2-2 and the corresponding first threaded hole 1-3 respectively, the connecting shaft 3 penetrates through the connecting hole 1-1 and the external threaded section 3-3 thereof to be in threaded connection with the threaded hole 2-1, the inner end face of the annular boss 3-2 is tightly abutted against the annular shoulder 1-2, the first hinge section 3-1 and the second hinge section 3-4 are ensured to be located outside the first wire clamp body 1 and the second wire clamp body 2 respectively and are equal in length, and the hinge connection with the sectional insulator base is facilitated.

In one embodiment, the surfaces of the first clamping grooves 1-5 are provided with anti-slip teeth to prevent the contact wires from sliding in the direction of the line. The threads of the threaded hole 2-1 and the external thread section 3-3 are fine threads, and the lead angle of the threads is smaller, so that the threads are more beneficial to self-locking. The outer end of the first hinge section 3-1 is provided with an inner hexagonal counter bore 3-5, so that the connecting shaft 3 can be conveniently and firmly mounted. The first wire clamp body 1 and the second wire clamp body 2 are both copper alloy pieces, and are high in strength and corrosion resistant.

When the split-type contact wire clamp is installed, the first clamping grooves 1-5, the first guide grooves 1-6, the second clamping grooves 2-4 and the second guide grooves 2-5 at the bottoms of the first wire clamp body 1 and the second wire clamp body 2 are respectively clamped at two sides of the contact wire 5, the bolt 4 and the connecting shaft 3 are screwed, the contact wire 5 is clamped through the first clamping grooves 1-5 and the second clamping grooves 2-4, the contact wire is cut according to the designed length, the end part of the contact wire 5 is bent upwards, and the contact wire 5 is positioned through the second guide grooves 2-5 and the first guide grooves 1-6 during bending, so that the bulging phenomenon of the contact wire during bending is effectively eliminated, the contact wire is ensured to be tightly attached to the connecting wire clamp, the transition part of the contact wire and a segmented insulator is smoother, and the bow net relation of the part where the segmented insulator is installed is improved.

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

1. The utility model provides a contact wire connecting clamp for section insulator, includes first clamp body (1), second clamp body (2), connecting axle (3) and bolt (4), its characterized in that: one end of the first wire clamp body (1) is alternately provided with first threaded holes (1-3) and first through holes (1-4), the other end of the first wire clamp body is provided with a connecting hole (1-1), the outer end of the connecting hole (1-1) is provided with an annular shoulder (1-2), the bottom of the inner side of the first wire clamp body (1) is provided with a first clamping groove (1-5) and a first guide groove (1-6), the top of the first wire clamp body is provided with a first convex edge (1-7), and the first clamping groove (1-5) is positioned below the first threaded holes (1-3) and the first through holes (1-4); one end of the second wire clamp body (2) is alternately provided with second threaded holes (2-2) and second through holes (2-3), the other end of the second wire clamp body is provided with a threaded hole (2-1), the bottom of the inner side of the second wire clamp body (2) is provided with a second clamping groove (2-4) and a second guide groove (2-5), the top of the second wire clamp body is provided with a second convex edge (2-6), and the second clamping groove (2-4) is positioned below the second threaded holes (2-2) and the second through holes (2-3); the connecting shaft (3) is sequentially provided with a first hinge section (3-1), an annular boss (3-2), an external thread section (3-3) and a second hinge section (3-4) along the axial direction; the first wire clamp body (1) and the second wire clamp body (2) are arranged oppositely, the bolt (4) penetrates through the first through hole (4-1) and the second through hole (2-3) to be in threaded connection with the corresponding second threaded hole (2-2) and the corresponding first threaded hole (1-3), the connecting shaft (3) penetrates through the external threaded section (3-3) of the connecting hole (1-1) to be in threaded connection with the threaded hole (2-1), the internal end face of the annular boss (3-2) is tightly abutted to the annular shoulder (1-2), and the first hinge section (3-1) and the second hinge section (3-4) are located outside the first wire clamp body (1) and the second wire clamp body (2) respectively.

2. The contact wire connecting clamp for a section insulator according to claim 1, wherein: the surfaces of the first clamping grooves (1-5) are provided with anti-slip teeth.

3. A contact wire connecting clip for a section insulator according to claim 1 or 2, wherein: the threads of the threaded hole (2-1) and the external thread section (3-3) are fine threads.

4. The contact wire connecting clamp for a section insulator according to claim 3, wherein: the outer end of the first hinge section (3-1) is provided with an inner hexagonal counter bore (3-5).