CN215452462U

CN215452462U - Wire clamp for high-voltage transmission line with optimized surface field intensity

Info

Publication number: CN215452462U
Application number: CN202121244649.XU
Authority: CN
Inventors: 罗炳涛; 邢超; 魏鑫; 周凤婷
Original assignee: Chuzhou Zhihong Engineering Consulting Co ltd
Current assignee: Chuzhou Zhihong Engineering Consulting Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-07
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to the field of protection devices, in particular to a wire clamp for high-voltage transmission lines with optimized surface field intensity, which comprises a clamping head assembly, wherein the clamping head assembly comprises a first clamping part, a second clamping part and an anti-slip bush, the two clamping parts are all of arc-shaped structures, the anti-slip bush is arranged on the inner side of each arc-shaped structure, the bottom ends of the first clamping part and the second clamping part are respectively and fixedly connected with the upper ends of a first sliding block plate and a second sliding block plate, gear strips are respectively arranged at the upper ends of the first sliding block plate and the lower end of the second sliding block plate, the two gear strips are mutually meshed through a driving gear, the bottom end of the first sliding block plate is fixedly connected with the top end of a vertical rod, the bottom end of the vertical rod is provided with threads, a distance adjusting plate is arranged on the lower side of the vertical rod, a screw hole is formed in the distance adjusting plate, and compared with a wire clamp with fixed length, the utility model has stronger flexibility, the applicability is better, and the adjustment of the distance in front of the electric wire can be more effectively realized.

Description

Wire clamp for high-voltage transmission line with optimized surface field intensity

Technical Field

The utility model relates to the technical field of high-voltage transmission accessories, in particular to a wire clamp for a high-voltage transmission line with optimized surface field intensity.

Background

The wire clamp is one of important tools of a high-voltage transmission line, is used for fixing a conducting wire or a lightning conductor on an insulator string of a tower and plays roles in anchoring and conducting electricity. The high-voltage transmission wire is easy to generate breeze vibration under the excitation of field breeze, the vibration duration is long, so that the strands of the wire are extruded with each other to slide and deform, the contact parts between the strands are subjected to fretting wear, and a large number of cracks are generated on the strands; on the other hand, the lead generates plastic deformation due to vibration and bending, so that crack initiation and expansion are promoted, the fatigue of the lead is accelerated, and the service life of the lead is seriously shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wire clamp for a high-voltage transmission line with optimized surface field intensity, which aims to solve the problems in the background technology.

In order to achieve the purpose, the wire clamp for the high-voltage transmission line with optimized surface field intensity comprises a clamp head assembly, wherein the clamp head assembly comprises a first clamping part, a second clamping part and an anti-slip bush, the two clamping parts are of circular arc structures, the anti-slip bush is arranged on the inner side of each circular arc structure, a plurality of arc grooves along the circumferential direction are formed in the inner wall of each circular arc structure, the anti-slip bush is installed on the inner wall of each circular arc structure through the matching of the arc grooves and arc bulges, the bottom ends of the first clamping part and the second clamping part are respectively fixedly connected with the upper ends of a first sliding block plate and a second sliding block plate, gear strips are placed at the upper ends of the first sliding block plate and the lower ends of the second sliding block plate, the two gear strips are mutually meshed through a driving gear, the bottom end of the first sliding block plate is fixedly connected with the top end of a vertical rod, and the bottom end of the vertical rod is provided with a thread, the adjustable pitch plate is placed to the pole setting downside, it has the screw to open on the adjustable pitch plate, screw diameter size is the same with pole setting bottom screw thread diameter size and mutually supports, the screw is linear array along the adjustable pitch plate.

The following steps: concave notches are formed in the second sliding block plate and are evenly distributed along one side of the second sliding block plate.

The following steps: the anti-skidding lining is made of a material with stronger plasticity and is soft.

The following steps: and a limiting rod is arranged at the axis position of the driving gear, and the limiting rod and the concave notch of the second slider plate are arranged on the same side.

The following steps: and a baffle is arranged on one side of the second sliding block plate.

Compared with the prior art, the utility model has the beneficial effects that:

the adjustable cable clamp adopts an adjustable structure, and compared with a cable clamp with a fixed length, the adjustable cable clamp has stronger use flexibility and better applicability

The adjusting and easy dismantling of distance before can realizing the electric wire more effectively, the maintenance of the fastener of being convenient for, the installation is accomplished the back, and anti-skidding bush mainly receives axial friction, installs on the inner wall of circular-arc structure through setting up the bellied cooperation of arc wall and arc, prevents effectively that anti-skidding bush from droing, makes whole clamping device more stable, through setting up concave type notch and gag lever post, makes the fastener can be suitable for more sizes of wire, has the practicality more.

Drawings

Fig. 1 is a schematic plan view of a wire clamp for a high-voltage transmission line with optimized surface field intensity according to the present invention;

FIG. 2 is a schematic diagram of a wire clamp collet assembly for high voltage transmission lines with optimized surface field strength according to the present invention;

FIG. 3 is a schematic connection diagram of a wire clamp anti-slip cover for a high-voltage transmission line with optimized surface field intensity according to the present invention;

fig. 4 is a schematic top view of a wire clamp distance adjusting plate for a high-voltage transmission line with optimized surface field strength according to the present invention;

FIG. 5 is a schematic diagram of the distribution of concave notches of a first slider plate of a wire clamp for a high-voltage transmission line with optimized surface field strength according to the present invention;

fig. 6 is a schematic diagram of a limiting rod on a cable clamp driving gear for a high-voltage transmission line with optimized surface field intensity.

In the figure:

1. a first clamping portion; 2. a distance adjusting plate; 3. a first slider plate; 4. a second clamping portion; 5. a second slider plate; 6. erecting a rod; 7. a drive gear; 8. a limiting rod; 9. a chuck assembly; 10. an anti-slip bushing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, which are a preferred embodiment of the present invention, a wire clamp for a high-voltage power transmission line with optimized surface field strength includes a clamping head assembly 9, where the clamping head assembly 9 includes a first clamping portion 1, a second clamping portion 4, and an anti-slip bush 10, where both clamping portions are of an arc-shaped structure, the inner side of the arc-shaped structure is provided with the anti-slip bush 10, the inner wall of the arc-shaped structure is provided with a plurality of arc-shaped grooves along a circumferential direction, the anti-slip bush 10 is installed on the inner wall of the arc-shaped structure through the matching of the arc-shaped grooves and the arc-shaped protrusions, the bottom ends of the first clamping portion 1 and the second clamping portion 4 are respectively and fixedly connected with the upper ends of the first slider plate 3 and the second slider plate 5, the upper end of the first slider plate 3 and the lower end of the second slider plate 5 are both provided with gear bars, and the two gear bars are engaged with each other through a

driving gear

7, 3 bottoms of first slider board and 6 top fixed connection in pole setting, open threadedly in 6 bottoms in pole setting, roll adjustment board 2 has been placed to 6 downside in pole setting, it has the screw to open on the roll adjustment board 2, screw diameter size is the same and mutually supports with 6 bottom screw diameter sizes in pole setting, the screw is linear array along roll adjustment board 2.

The anti-skid bush 10 is made of a material with strong plasticity and soft material, so that the vibration of the lead caused by partial blowing can be effectively counteracted, and the lead is prevented from being worn; the distance adjusting plate 2 is provided with a threaded screw hole matched with the upright rod 6, and an adjustable structure is adopted, so that compared with a wire clamp with a fixed length, the adjustable distance adjusting plate has stronger use flexibility and better applicability; by arranging the concave notch and the limiting rod 8, the wire clamp can be suitable for wires with more sizes and has higher practicability; the stability of centre gripping has effectively been improved in setting up of anti-skidding bush 10, and anti-skidding bush 10 is installed on the inner wall of circular-arc structure through arc wall and the bellied cooperation of arc, effectively prevents that anti-skidding bush 10 from droing, makes this utility model have better stability, has avoided the wearing and tearing that the wire vibration process brought effectively, realizes the nimble regulation of interval.

The working process and principle of the utility model are as follows: when in use, the distance between the wires is adjusted on the distance adjusting plate 2, the bottom end of the upright rod 6 is fixedly connected with the distance adjusting plate 2, the limiting rod 8 is pushed to drive the driving gear 7 to rotate, the second clamping part 4 is moved to a proper position, the wires are put into the anti-skid bush 10 from the arc-shaped structures of the first clamping part 1 and the second clamping part 4, then the limiting rod 8 is pulled down to the corresponding position of the concave notch to be clamped, the lead is stably fixed on the wire clamp, the anti-skid bush 10 can effectively counteract the lead vibration caused by partial wind blowing, the anti-skid bush 10 is mainly subjected to axial friction force, the anti-slip lining 10 is effectively prevented from falling off by arranging the arc-shaped groove and the arc-shaped bulge to be matched and arranged on the inner wall of the arc-shaped structure, so that the whole clamping device is more stable, through setting up concave type notch and gag lever post, make the fastener can be suitable for the wire of more sizes, have the practicality more.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a fastener for high tension transmission line of surface field intensity optimization, includes cartridge assembly (9), its characterized in that:

the clamping head assembly (9) comprises a first clamping part (1), a second clamping part (4) and an anti-slip bush (10), wherein the two clamping parts are of circular arc-shaped structures, the anti-slip bush (10) is arranged on the inner side of each circular arc-shaped structure, a plurality of arc-shaped grooves along the circumferential direction are formed in the inner wall of each circular arc-shaped structure, the anti-slip bush (10) is arranged on the inner wall of each circular arc-shaped structure through the matching of the arc-shaped grooves and arc-shaped protrusions, the bottom ends of the first clamping part (1) and the second clamping part (4) are respectively fixedly connected with the upper ends of a first sliding block plate (3) and a second sliding block plate (5), gear strips are arranged at the upper end of the first sliding block plate (3) and the lower end of the second sliding block plate (5) and are mutually meshed through driving gears (7), the bottom ends of the first sliding block plate (3) are fixedly connected with the top ends of vertical rods (6), the bottom end of the vertical rod (6) is provided with threads, the distance adjusting plate (2) is placed on the lower side of the vertical rod (6), a screw hole is formed in the distance adjusting plate (2), the diameter size of the screw hole is the same as that of the threads at the bottom end of the vertical rod (6) and is matched with the threads at the bottom end of the vertical rod, and the screw hole is linearly arranged along the distance adjusting plate (2).

2. The wire clamp for high-voltage transmission lines with optimized surface field strength as claimed in claim 1, wherein: concave notches are formed in the second sliding block plate (5), and the concave notches are uniformly distributed along one side of the second sliding block plate (5).

3. The wire clamp for high-voltage transmission lines with optimized surface field strength as claimed in claim 1, wherein: the limiting rod (8) is arranged at the axis position of the driving gear (7), and the limiting rod (8) and the concave notch of the second sliding block plate (5) are arranged on the same side.

4. The wire clamp for high-voltage transmission lines with optimized surface field strength as claimed in claim 1, wherein: and a baffle is arranged on one side of the second sliding block plate (5).