CN112653057A

CN112653057A - Novel suspension clamp

Info

Publication number: CN112653057A
Application number: CN202011426971.4A
Authority: CN
Inventors: 罗华枫; 杨柳青; 孙强; 王军; 毛光祥; 石启邦
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-04-13

Abstract

The invention discloses a novel suspension clamp which comprises an insulator string and a supporting rod, wherein the lower end of the insulator string is connected with a first duplex socket hanging plate, the lower end of the first duplex socket hanging plate is hinged with a first triangular connecting plate, two angular points on the lower side of the first triangular connecting plate are fixedly connected with a supporting tube through two symmetrical first clamps, two ends of the supporting rod are fixedly connected to a drainage wire through two symmetrical second clamps, the lower ends of the first two clamps are also fixedly connected with the drainage wire, and the drainage wire in the middle between the first two clamps is fixedly connected with a first suspension clamp connected with one end of an arrester isolation insulator. The invention changes the existing insulator suspension point into a double suspension point, can eliminate the stress deformation of the lightning arrester on the drainage wire, avoids the deflection of the drainage wire, ensures the safe distance of the drainage wire to the tower body from the overhead ground wire, and avoids causing discharge.

Description

Novel suspension clamp

Technical Field

The invention belongs to the technical field of suspension clamps, and relates to a novel suspension clamp.

Background

In mountainous areas in Guizhou province, in order to reduce line tripping caused by lightning activities, lightning arrester installation is often adopted by a transmission line tower to enhance the lightning protection capability of the line, but the installation problem of the lightning arrester causes the deflection of a drainage line of the tower, the distance between the drainage line and an overhead ground line to a tower body is changed, and discharging can be caused in severe cases. In order to keep the level of the drainage wire supporting tube, a clamp below the insulator string must be arranged at the drainage wire supporting tube 1/2, so that the suspension clamp cannot be arranged at the drainage wire 1/2 when the lightning arrester is installed, the connection point of the drainage wire and the lightning arrester is not at the gravity center position, the drainage wire is affected by unbalanced force and is inclined, and the safety distance of the drainage wire cannot meet the design requirement.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: a novel suspension clamp is provided to solve the problems existing in the prior art.

The technical scheme adopted by the invention is as follows: the utility model provides a novel suspension clamp, includes insulator chain and bracing piece, and the insulator chain lower extreme is connected with first duplex socket link plate, and a first lower extreme of duplex socket link plate articulates there is first triangle yoke plate, and two angle points of a triangle yoke plate downside pass through two anchor clamps fixed connection stay tubes of symmetry, and two fixed connection of anchor clamps to the drainage line through two anchor clamps of symmetry at bracing piece both ends, and the drainage line fixed connection arrester of middle part keeps apart the suspension clamp that insulator one end is connected between two anchor clamps one and still fixed connection drainage line under two anchor clamps.

The utility model provides a novel suspension clamp, including insulator chain and bracing piece, the insulator chain lower extreme is connected with single-link socket link plate, single-link socket link plate lower extreme passes through three fixed connection stay tube middle parts of anchor clamps, two fixed connection to drainage wires of two anchor clamps of bracing piece both ends through the symmetry, three lower extremes of anchor clamps are fixed connection drainage wire still, the drainage wire of three both sides of anchor clamps articulates the two angular points of triangle yoke plate two through two suspension clamp of bisymmetry, two angular points of triangle yoke plate are connected to arrester isolation insulator one end through two duplex socket link plates.

Preferably, the support rod is a hollow insulating sleeve.

Preferably, the upper end of the insulator string is hung on an iron tower through a hanging ring.

Preferably, the rubber sleeve is arranged at the position where the supporting rod is connected with the first clamp or the second clamp.

Preferably, the supporting rod is connected with the third clamp or the second clamp, and a rubber sleeve is arranged at the second clamp.

Preferably, the first clamp adopts two arc-shaped bent metal pressing sheets to be fixedly connected through two bolts, and a bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each arc-shaped bent metal pressing sheet.

Preferably, the second clamp adopts two arc-shaped bent metal pressing sheets which are fixedly connected through a bolt in the middle, and a bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each arc-shaped bent metal pressing sheet.

Preferably, the third clamp adopts two arc-shaped bent metal pressing sheets which are fixedly connected through two bolts, and a bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each arc-shaped bent metal pressing sheet.

The invention has the beneficial effects that: compared with the prior art, the invention changes the existing insulator suspension point into a double suspension point or changes the connection part of the lightning arrester and the drainage wire into a double suspension wire clamp, can eliminate the stress deformation of the lightning arrester on the drainage wire, avoids the deflection of the drainage wire, ensures the safe distance of the drainage wire to the overhead ground wire to the tower body, and avoids causing discharge.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic structural view of example 2;

FIG. 3 is a schematic structural diagram of a first clamp or a third clamp;

fig. 4 is a schematic structural view of the second clamp.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1, 3 and 4, a novel suspension clamp, including insulator chain 1 and

bracing piece

2, 1 lower extreme of insulator chain is connected with pair socket link plate one 3, 3 lower extremes of pair socket link plate articulate there is triangle yoke plate one 4, two angle points of 4 downside of triangle yoke plate one pass through 5 fixed connection stay tubes 2 of two anchor clamps of symmetry, 3 upper ends of pair socket link plate can 360 ℃ of rotation, the lower extreme can be at certain angle of a planar internal rotation, 2 both ends of bracing piece are through two 6 fixed connection of anchor clamps of symmetry to

drainage wire

7, 5 lower extremes of two anchor clamps are fixed connection drainage wire 7 still, drainage wire 7 fixed connection arrester of middle part keeps apart suspension clamp one 8 that insulator one end is connected between two anchor clamps one 5.

Preferably, the support rod 2 is a hollow insulating sleeve, so that the support rod is light in weight, high in rigidity and strength, insulating and supporting and capable of reducing the possibility of short circuit.

Preferably, the upper end of the insulator string 1 is hung on an iron tower through a hanging ring, and the hanging is convenient and quick, has certain flexibility, and is convenient for keeping balance of the supporting rod under the condition of wind power.

Preferably, the rubber sleeve is arranged at the position where the supporting rod 2 is connected with the first clamp 5 or the second clamp 6, so that friction force is increased, and the clamp connection is more stable and reliable.

Preferably, above-mentioned anchor clamps 5 adopt two arcs to bend the metal preforming and pass through two bolt fixed connection, and every arc bends metal preforming clamp and hits stay tube and drainage wire department and set up the portion of bending, increases area of contact, improves the clamp and hits stability and reliability.

Preferably, the two clamps 6 are fixedly connected through a bolt in the middle of each of the two arc-shaped bent metal pressing sheets, and the bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each of the arc-shaped bent metal pressing sheets, so that the contact area is increased, and the clamping and hitting stability and reliability are improved.

Example 2: as shown in fig. 2-4, a novel suspension clamp comprises an insulator string 1 and a support rod 2, wherein the lower end of the insulator string 1 is connected with a single-linkage socket hanging plate 9, the lower end of the single-linkage socket hanging plate 9 is fixedly connected with the middle part of a support tube 2 through a clamp III 10, two ends of the support rod 2 are fixedly connected with a drainage wire 7 through two symmetrical clamps II 6, the lower end of the clamp III 10 is also fixedly connected with the drainage wire 7, the drainage wires 7 on two sides of the clamp III 10 are hinged to two angular points of a triangular connecting plate II 12 through two symmetrical suspension clamps II 11, the other angular point of the triangular connecting plate II 12 is connected to one end of an arrester isolation insulator 14 through a double-linkage socket hanging plate II 13, the lower end of the double-linkage socket hanging plate II 13 can rotate at 360 ℃, and the.

Preferably, the support rod 2 is a hollow insulating sleeve.

Preferably, the upper end of the insulator string 1 is hung on an iron tower through a hanging ring.

Preferably, the supporting rod 2 is connected with the third clamp 10 or the second clamp 6, and a rubber sleeve is arranged on the connecting position, so that friction force is increased, and the clamp connection is more stable and reliable.

Preferably, the second clamp 6 is fixedly connected with the two arc-shaped bent metal pressing sheets through a bolt in the middle, and a bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each arc-shaped bent metal pressing sheet.

Preferably, the three 10 clamps are fixedly connected through two bolts by using two arc-shaped bent metal pressing sheets, and a bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each arc-shaped bent metal pressing sheet.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.

Claims

1. The utility model provides a novel suspension clamp, includes insulator chain (1) and bracing piece (2), its characterized in that: insulator chain (1) lower extreme is connected with pair socket link plate (3), pair socket link plate (3) lower extreme articulates there is triangle yoke plate (4), two angle points of triangle yoke plate (4) downside pass through two anchor clamps (5) fixed connection stay tube (2) of symmetry, bracing piece (2) both ends are through two anchor clamps (6) fixed connection drainage wire (7) of symmetry, two anchor clamps (5) lower extreme still fixed connection drainage wire (7), drainage wire (7) fixed connection arrester isolation insulator one end connection suspension clamp (8) in middle part between two anchor clamps (5).

2. The utility model provides a novel suspension clamp, includes insulator chain (1) and bracing piece (2), its characterized in that: insulator chain (1) lower extreme is connected with simply connected socket link plate (9), simply connected socket link plate (9) lower extreme passes through anchor clamps three (10) fixed connection stay tube (2) middle part, two anchor clamps two (6) fixed connection to drainage (7) through the symmetry at bracing piece (2) both ends, anchor clamps three (10) lower extreme is fixed connection drainage (7) still, drainage (7) of anchor clamps three (10) both sides are articulated to two of triangle yoke plate two (12) through two suspension clamp two (11) of bisymmetry, another angular point of triangle yoke plate two (12) is connected to arrester isolation insulator (14) one end through simply connected socket link plate two (13).

3. A novel suspension clamp as claimed in claim 1 or claim 2, wherein: the support rod (2) adopts a hollow insulating sleeve.

4. A novel suspension clamp as claimed in claim 1 or claim 2, wherein: the upper end of the insulator string (1) is hung on the iron tower through a hanging ring.

5. The novel suspension clamp of claim 1, wherein: the supporting rod (2) is connected with the first clamp (5) or the second clamp (6) and is provided with a rubber sleeve.

6. The novel suspension clamp of claim 2, wherein: the supporting rod (2) is connected with the third clamp (10) or the second clamp (6) and is provided with a rubber sleeve.

7. The novel suspension clamp of claim 1, wherein: and the first clamp (5) adopts two arc-shaped bent metal pressing sheets to be fixedly connected through two bolts, and a bent part is arranged at the position where each arc-shaped bent metal pressing sheet clamps the supporting tube and the drainage wire.

8. A novel suspension clamp as claimed in claim 1 or claim 2, wherein: and the second clamp (6) is fixedly connected with the two arc-shaped bent metal pressing sheets through a bolt in the middle, and a bent part is arranged at the clamping and hitting supporting tube and the drainage wire of each arc-shaped bent metal pressing sheet.

9. The novel suspension clamp of claim 2, wherein: and the third clamp (10) adopts two arc-shaped bent metal pressing sheets to be fixedly connected through two bolts, and a bent part is arranged at the position where each arc-shaped bent metal pressing sheet clamps the supporting tube and the drainage wire.