CN205283052U - Carbon fiber wire damper for high tension transmission line - Google Patents

Abstract

The utility model relates to an anti-vibration hammer for a carbon fiber wire high-voltage transmission line, which is composed of a wire clamp, a hammer body, a steel strand, at least one pre-twisted wire, and an anti-skid pad. Since the sag of the carbon fiber wire during use is small, The vibration is small, so the hammer body is relatively small, which reduces the weight of the anti-vibration hammer; because the hook is designed to match the structure of the carbon fiber wire structure, it makes the entire anti-vibration hammer hang on the carbon fiber wire more reliable; There is an anti-slip pad inside and an anti-slip pattern that matches the external structure of the carbon fiber wire, so as to avoid sliding on the smooth surface of the carbon fiber wire and effectively protect the carbon fiber wire; The shape of the external structure matches the structure, so that the pre-twisted wire is wound more tightly on the wire; due to its reasonable structure, convenient installation and use, and reliable performance, it has great practical and promotional value.

Description

Anti-vibration hammer for carbon fiber wire high-voltage transmission line

technical field

The utility model relates to an anti-vibration device for transmission and distribution lines in the electric power industry, in particular to an anti-vibration hammer for high-voltage transmission lines with carbon fiber wires.

Background technique

After retrieving relevant patent documents, no anti-vibration hammer for high-voltage transmission lines with carbon fiber wires having the same structure as the utility model has been retrieved at present. With the continuous improvement of power transmission and distribution lines, carbon fiber wires will be widely used in high-voltage power transmission and distribution lines. Due to the small size of carbon fiber wires, smooth surface, and small sag during use, the size and The structure of the hook is difficult to meet the anti-vibration requirements of carbon fiber wire high-voltage transmission lines. How to reduce the volume of the anti-vibration hammer, effectively avoid sliding on the carbon fiber wire during use, effectively eliminate tip discharge and water and ice deposition, prevent Corona has put forward higher requirements for people, so it is necessary to improve the existing anti-vibration hammer to meet the requirements of carbon fiber wire transmission and distribution lines.

Contents of the invention

The purpose of this utility model is to provide an improvement on the basis of the existing anti-vibration hammer, which has small volume, good anti-vibration effect, and can be applied to high-voltage transmission and distribution lines of carbon fiber wires for high-voltage transmission lines with carbon fiber wires. Anti-vibration hammer.

In order to achieve the above object, the utility model adopts the following technical solutions:

An anti-vibration hammer for high-voltage transmission lines with carbon fiber wires, which is composed of a wire clip, a hammer body, a steel strand, at least one pre-twisted wire, and an anti-slip mat. The wire clip is fixedly connected to the steel strand; Hammer bodies are respectively fixed at the ends; the hammer body is a gourd-shaped structure, and the two hammer bodies are symmetrically inclined and fixed at both ends of the steel strand; the pre-twisted wire is used to fix the clamp on the carbon fiber transmission line. The wire clip is in the form of a hippocampal structure, and its size matches the size of the carbon fiber wire; the inner surface structure shape of the hook on the wire clip matches the shape of the carbon fiber wire structure; the anti-skid pad is arranged on The inner surface of the hook, and the contact surface between the anti-skid pad and the carbon fiber wire is provided with anti-skid lines matching the outer shape of the carbon fiber wire; the fixed conduit is fixed in the center of the steel strand, and its end is a circular arc structure; the steel strand and The fixed connection position of the hammer body is on the side of the hammer head at the fixed end on the hammer body; the pre-twisted wire is designed to match the external shape of the carbon fiber wire.

The wire clip is composed of separating nails, hooks, and fixed conduits. There are 1 to 6 separating nails on the top of the hooks, and the hooks are fixed on the fixed conduits; the section a corner of the hook is in the shape of an arc.

The hammer body is composed of the hammer head at the fixed end, the connecting part, and the hammer head at the cantilever end. The distance L between the hammer center of the fixed end hammer head and the center of the hammer head at the cantilever end is: 100mm<L<130mm; The head and the connecting part, the hammer head and the connecting part at the cantilever end are in the form of a round platform smooth transition connection, and the connection line between the hammer head at the fixed end and the center of the hammer head at the cantilever end and the clamp between the steel strands are between the vertical planes. The angle α is: 8°≤α≤12°; the angle β between the connection line between the fixed end hammer head and the cantilever end hammer head and the steel strand between the horizontal plane is: 8°≤β≤12°; The hammer head at the cantilever end is provided with a windward side b, the angle γ between the windward side b and the vertical plane is: 30°≤γ≤45°, the windward side b and the cantilever end hammer head are connected by an arc, and its R is: 10mm≤R≤20mm.

The ratio Z between the major warp D1 of the hammer head at the fixed end, the minor warp D2 of the connecting part, and the major warp D3 of the hammer head at the cantilever end in the hammer body is: 2:1:3≤Z≤2.2:1:3.4 .

When in use, hang the clamp of the anti-vibration hammer on the designated installation position designed in the carbon fiber wire transmission line, and make the utility model in a natural vertical state, so that the anti-skid pad on the inner side of the hook can be effectively attached to the carbon fiber wire, and then take it out A pre-twisted wire aligns the central mark on the middle position of the separator nail of the wire clamp, and winds the pre-twisted wire on the carbon fiber wire; repeats the above action, and then winds the other two pre-twisted wires around the wire clip and the carbon fiber wire respectively to fix the anti-vibration hammer.

The utility model has the advantages that: due to the small sag and vibration of the carbon fiber wire during use, the hammer body is relatively small, which reduces the weight of the entire anti-vibration hammer; because the hook is designed to match the structural shape of the carbon fiber wire The structural form makes it more reliable to hang the entire anti-vibration hammer on the carbon fiber wire; because there is an anti-slip pad in the hook and an anti-skid pattern on the anti-slip pad that matches the external structure of the carbon fiber wire, it avoids the carbon fiber wire with a smooth surface. Sliding on the top, effectively protect the carbon fiber wire; because the wire clip is equipped with a separation nail, and the pre-twisted wires are spaced on the wire clip respectively, so that the anti-vibration hammer and the carbon fiber wire are effectively wound and connected; due to the pre-twisted wire design Into a structural form that matches the external structure of the wire, so that the pre-twisted wire is wound on the wire more tightly; because the hook of the wire clip and the corner of the fixed catheter are respectively designed into an arc-shaped structure, thereby avoiding tip discharge Phenomenon; Since the connection point between the hammer head at the fixed end and the steel strand is set on the arc surface of the side of the hammer head at the fixed end, the water and ice deposits generated at the connection between the hammer head at the fixed end and the steel strand are eliminated in time; due to the cantilever The connection between the windward side of the end hammer head and the hammer head is designed in an arc shape, and the size of the arc is controlled within a certain range, thereby avoiding tip discharge and increasing the corona voltage; because the surface of the hammer body is polished and smooth treatment, thereby improving the overall performance and reducing pollution flashover; due to its reasonable structure, convenient installation and use, and reliable performance, it has great practical and promotional value.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing:

Accompanying drawing 1 is the structural representation of a kind of carbon fiber wire high voltage transmission line anti-vibration hammer of the present utility model;

Accompanying drawing 2 is accompanying drawing 1A structural schematic diagram;

Accompanying drawing 3 is the structural representation of accompanying drawing 1B-B section;

Accompanying drawing 4 is the structural representation of accompanying drawing 1C-C section;

Accompanying drawing 5 is the structural representation of accompanying drawing 1D-D section;

Accompanying drawing 6 is the partial structure schematic diagram of hook.

detailed description

With reference to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6, a kind of anti-vibration hammer of carbon fiber wire high-voltage transmission line of the present utility model is composed of wire clamp 1, hammer body 2, Steel strand 3, at least one pre-twisted wire 4, anti-skid pad 5, wire clip 1 is fixedly connected with steel strand 3; hammer body 2 is fixedly installed at both ends of steel strand 3; The body 2 is a gourd-shaped structure, and the two hammer bodies 2 are symmetrically inclined and fixed on both ends of the steel strand 3; the pre-twisted wire 4 is used to fix the wire clamp 1 on the carbon fiber transmission line, and the wire clamp 1 is The form of the hippocampal structure, its size matches the size of the carbon fiber wire; the shape of the inner surface structure of the hook 12 on the wire clamp 1 matches the shape of the carbon fiber wire structure; the anti-skid pad 5 is arranged on the hook 12 On the inside surface, the contact surface between the anti-slip pad 5 and the carbon fiber wire is provided with an anti-skid pattern matching the outer shape of the carbon fiber wire; the fixed conduit 13 is fixed in the center of the steel strand 3, and its end is an arc structure; the steel strand 3 The fixed connection position with the hammer body 2 is on the side of the fixed end hammer head 21 on the hammer body 2; the pre-twisted wire 4 is designed to match the external shape of the carbon fiber wire; the wire clip 1 is separated by Nails 11, hooks 12, and fixed conduits 13. There are 1 to 6 separating nails 11 on the top of the hooks 12, and the hooks 12 are fixed on the fixed conduits 13; the cross-section a corner of the hook 12 is a circular arc structure The hammer body 2 is composed of a fixed end hammer head 21, a connecting part 22, and a cantilever end hammer head 23, and the distance L between the hammer center of the fixed end hammer head 21 and the hammer center of the cantilever end hammer head 23 is: 100mm<L<130mm ; The fixed end hammer head 21 and the connection part 22, the cantilever end hammer head 23 and the connection part 22 are the structural forms of a smooth transition connection of a round table, and the connection line between the fixed end hammer head 21 and the cantilever end hammer head 23 center of gravity and the steel strand The angle α between the lines 3 between the vertical planes is: 8°≤α≤12°; The included angle β is: 8°≤β≤12°; the hammer head 23 at the cantilever end is provided with a windward surface b, the angle γ between the windward surface b and the vertical surface is: 30°≤γ≤45°, the windward surface b and the hammer head 23 at the cantilever end adopt an arc connection, and its R is: 10mm≤R≤20mm; The ratio Z between the Da Jing D3 is: 2:1:3≤Z≤2.2:1:3.4.

Claims (4)

1. An anti-vibration hammer for high-voltage transmission lines with carbon fiber wires, which consists of a wire clip (1), a hammer body (2), a steel strand (3), at least one pre-twisted wire (4), and an anti-slip pad (5) The wire clip (1) is fixedly connected to the steel strand (3); the two ends of the steel strand (3) are respectively fixed with a hammer body (2); the hammer body (2) is a gourd-shaped structure In the form, two hammer bodies (2) are symmetrically inclined and fixed on both ends of the steel strand (3); the pre-twisted wire (4) is used to fix the clamp (1) on the carbon fiber transmission line, and it is characterized in that: the The above-mentioned wire clip (1) is in the form of a hippocampal structure, and its size matches the size of the carbon fiber wire; the shape of the inner surface structure of the hook (12) on the wire clip (1) matches the shape of the carbon fiber wire structure ; The anti-slip pad (5) is arranged on the inner side of the hook (12), and the contact surface between the anti-slip pad (5) and the carbon fiber wire is provided with anti-slip lines matching the outer shape of the carbon fiber wire; the fixed conduit (13) is fixed It is installed in the center of the steel strand (3), and its end is a circular arc structure; the fixed connection position between the steel strand (3) and the hammer body (2) is the fixed end hammer head (21) on the hammer body (2). ) on the side; the pre-twisted wire (4) is designed to match the external shape of the carbon fiber wire. 2. An anti-vibration hammer for high-voltage transmission lines with carbon fiber wires according to claim 1, characterized in that: the wire clamp (1) is composed of a separating nail (11), a hook (12), and a fixed conduit (13) 1 to 6 spacer nails (11) are arranged on the top of the hook (12), and the hook (12) is fixed on the fixed conduit (13); the corner of the section a of the hook (12) is a circular arc structure shape. 3. An anti-vibration hammer for carbon fiber wire high-voltage transmission lines according to claim 1, characterized in that: the hammer body (2) consists of a fixed-end hammer head (21), a connecting part (22), a cantilever end The hammer head (23) is composed of the hammer head (21) at the fixed end and the distance L between the hammer center of the hammer head (23) at the cantilever end is: 100mm<L<130mm; the hammer head (21) at the fixed end and the connecting part (22), the hammerhead at the cantilever end (23) and the connecting part (22) are in the form of a smooth transitional connection of a round platform, and the connection line between the hammerhead at the fixed end (21) and the hammer center at the cantilever end (23) is in line with the steel The angle α between the strands (3) between the vertical planes is: 8°≤α≤12°; the connection line between the fixed end hammer (21) and the cantilever end hammer (23) (3) The angle β between the horizontal planes is: 8°≤β≤12°; the cantilever end hammer head (23) is provided with a windward surface b, and the angle γ between the windward surface b and the vertical surface is : 30°≤γ≤45°, the windward side b and the cantilever end hammer head (23) are connected in an arc, and the R is: 10mm≤R≤20mm. 4. An anti-vibration hammer for high-voltage transmission lines with carbon fiber wires according to claim 1 or 3, characterized in that: the large diameter D1 of the hammer head (21) at the fixed end in the hammer body (2), the connection The ratio Z between the minor warp D2 of the part (22) and the major warp D3 of the cantilever end hammer (23) is: 2:1:3≤Z≤2.2:1:3.4.