CN-224204731-U - Strain clamp for high-voltage line

Abstract

The utility model provides a high-voltage line strain clamp, which relates to the technical field of strain clamps and comprises a clamp assembly, a wedge core assembly and a positioning assembly, wherein the clamp assembly comprises a clamp body, the clamp body is provided with a wedge cylinder with a longitudinal opening, the wedge core assembly comprises a wedge core body, the wedge core body is matched with the wedge cylinder, the wedge core body is provided with a wire hole, the wedge core body is connected with two wedge core blocks, the two wedge core blocks form a gap, the gap is communicated with the wire hole, the two wedge core blocks are respectively provided with a positioning hole, and the positioning assembly comprises a positioning column, and the positioning column is matched with the positioning hole. Aiming at the defects of the prior art, the utility model develops a high-voltage line strain clamp, which adopts a positioning column and a positioning hole, after the wedge core body is installed in place, the positioning column is clamped into the positioning hole, so that the position of the wedge core body is fixed.

Inventors

• YU YANAN
• XU LIN

Assignees

• 山东省环能设计院股份有限公司

Dates

Publication Date

20260505

Application Date

20250516

Claims (6)

1. 1. A high voltage line strain clamp, comprising: A wire clamp assembly (1) comprising a wire clamp body (11), the wire clamp body (11) being provided with a wedge cylinder (16) that is longitudinally open; the wedge core assembly (2) comprises a wedge core body (21), the wedge core body (21) is matched with the wedge cylinder (16), the wedge core body (21) is provided with a wire hole (25), the wedge core body (21) is connected with two wedge core blocks (22), the two wedge core blocks (22) form a gap (24), the gap (24) is communicated with the wire hole (25), and the two wedge core blocks (22) are respectively provided with a positioning hole (23); The positioning assembly (3) comprises a positioning column (35), and the positioning column (35) is matched with the positioning hole (23).
2. 2. The high-voltage line strain clamp according to claim 1, wherein the clamp body (11) is connected with symmetrical fixing shafts (14), the symmetrical fixing shafts (14) are respectively connected with upper seats (31) in a rotating mode, the symmetrical upper seats (31) are respectively connected with T-hole shafts (32), T-shafts (33) are respectively arranged in the symmetrical T-hole shafts (32), the symmetrical T-shafts (33) are respectively connected with lower seats (34), and the symmetrical lower seats (34) are respectively connected with positioning columns (35).
3. 3. A high-voltage line strain clamp as claimed in claim 2, characterized in that springs (36) are respectively arranged in the symmetrical T-hole shafts (32), the symmetrical springs (36) are respectively connected with the corresponding upper seats (31), and the symmetrical springs (36) are respectively connected with the corresponding T-shaft (33).
4. 4. A high voltage line strain clamp as claimed in claim 2, wherein at least one of the fixed shafts (14) is provided with a threaded bore (15), the upper seat (31) is threadedly connected with a positioning bolt (37), the positioning bolt (37) matching the threaded bore (15).
5. 5. The high-voltage line strain clamp according to claim 1, further comprising a pull ring assembly (4) comprising symmetrical pull rings (43), wherein the clamp body (11) is connected with symmetrical hanging point T shafts (13), the symmetrical hanging point T shafts (13) are respectively connected with the corresponding pull rings (43) in a rotating mode, and bolts (42) penetrate through symmetrical threaded connection nuts (41) of the pull rings (43).
6. 6. A high voltage line strain clamp as in claim 1 wherein the clamp body (11) is connected to a set of reinforcing ribs (12).

Description

Strain clamp for high-voltage line Technical Field The utility model relates to the technical field of strain clamps, in particular to a high-voltage line strain clamp. Background Along with the continuous improvement of the economic level, the transmission technology is also greatly improved, the ultra-high voltage is the most advanced transmission technology in the world, and has the advantages of large transmission capacity, long transmission distance, small occupied land and the like. In the prior art, for example, the utility model relates to a strain clamp for an extra-high voltage transmission line, and the authorized bulletin number is CN214379965U. Through the stiffener at the inboard even installation of main part, the inside intensity of main part and atress degree can be strengthened to the stiffener, prevents that the main part from appearing the phenomenon of deformation in long-term use, prolongs the life of main part, improves the utilization ratio of main part. At present, a strain clamp is not available, so that the wire is conveniently fixed, and the position of the wedge core body is fixed. Accordingly, in order to solve the above problems, a high-voltage line strain clamp is proposed. Disclosure of utility model Aiming at the defects of the prior art, the utility model develops a high-voltage line strain clamp, which adopts a positioning column and a positioning hole, after the wedge core body is installed in place, the positioning column is clamped into the positioning hole, so that the position of the wedge core body is fixed. The utility model provides a high-voltage line strain clamp, which comprises a clamp assembly, wherein the clamp assembly comprises a clamp body, a wedge-shaped cylinder, a wedge core assembly and a positioning assembly, the front end of the clamp body is thick, the rear end of the clamp body is thin, a wedge-shaped inner cavity is formed in the clamp body, the clamp body is provided with a wedge-shaped cylinder with a longitudinal opening and is used for accommodating the wedge core assembly, the wedge core assembly comprises a wedge core body, the wedge core body is matched with the clamp body, a holding force is generated on a wire through a wedge structure, the wire is ensured not to slide in the use process, the wedge core body is matched with the wedge-shaped cylinder, the wedge core body is provided with a wire hole and is used for accommodating and clamping an insulated wire, the wedge core body is connected with two wedge core blocks, the two wedge core blocks form a gap, the two wedge core blocks are matched with the wedge-shaped cylinder, the gap is communicated with the wire hole and is convenient to place the wire into the wire hole, the two wedge core blocks are respectively provided with a positioning hole, the upper part of the positioning hole is a semi-cylindrical hole, and the lower part of the positioning assembly is a hole, and the positioning assembly comprises a positioning column, and the positioning column is used for fixing the positioning column and preventing the wedge assembly from shifting in the use process. As optimization, the wire clamp body is connected with a symmetrical fixing shaft, the symmetrical fixing shaft is respectively connected with an upper seat in a rotating mode, the wire clamp body is connected with the fixing shaft to provide supporting and connecting functions, the symmetrical upper seat is respectively connected with a T-hole shaft, the symmetrical T-hole shaft is respectively provided with a T-shaft, the symmetrical T-shaft is respectively connected with a lower seat, the symmetrical lower seat is respectively connected with a positioning column, the T-shaft can move in the T-hole shaft, the positioning column is installed in a swinging mode, the positioning column is clamped into a positioning hole, and the wedge core block is recovered after elastic deformation occurs in the process again. As optimization, springs are respectively arranged in the T-hole shafts in a symmetrical mode, the springs in the symmetrical mode are respectively connected with the corresponding upper seats, and the springs in the symmetrical mode are respectively connected with the corresponding T-shaft. The spring is connected with the upper seat and the T shaft, provides elastic support for the positioning assembly, ensures that the position can be flexibly adjusted when being stressed, and simultaneously keeps stable when not being stressed. As an optimization, at least one fixed shaft is provided with a threaded hole, the upper seat is in threaded connection with a positioning bolt, and the positioning bolt is matched with the threaded hole. The wedge core is connected to the threaded hole through threads and used for fixing the position of the upper seat, and finally, the position locking of the wedge core body and the wedge core square block is realized. The wire clamp comprises a wire clamp body, and is characterized by furthe