CN103457051B - The female sharp work wire clamp of a kind of transmission line pipe - Google Patents

Abstract

The invention discloses a clamp for fast operation of the tube female of a power transmission line, which comprises a first clamping block and a second clamping block, the upper end of the first clamping block is movably connected with the upper end of the second clamping block, and the lower end of the first clamping block passes through the The clamping mechanism is clamped with the lower end of the second clamping block, and the clamping mouth surrounded by the first clamping block and the second clamping block matches the outer diameter of the transmission line tube; the clamping mechanism includes a clamping cam The clamping plate and the clamping groove matched with the clamping cam, the clamping plate is movably connected with the lower end of the first clamping block, and the clamping groove is arranged at the lower end of the second clamping block Corresponding to the position of the engaging cam. The present invention realizes the opening and closing of the opening and closing ends of the first clamping block and the second clamping block through the clamping mechanism, and has simple structure, convenient operation and short working time. It is suitable for ice-melting operations on transmission lines.

Description

A kind of fast operation line clip for pipe mother of transmission line

technical field

The invention relates to the field of fittings for power line equipment, in particular to a quick-operation line clip for a tube mother of a power transmission line.

Background technique

Before the present invention was proposed, DC short-circuiting was generally used for ice-melting operations, and workers were required to go to the substation in a power outage to short-circuit the overhead line and the DC power supply with a short-circuit cable. However, sometimes the DC power supply in the substation will transmit the DC power through the pipe mother, and at this time, the pipe mother and the overhead line need to be short-circuited. During the short-circuiting process, due to the large diameter of the tube nut, the general work clamp cannot be used; at the same time, because it is necessary to install and disassemble the connection between the multi-strand short-circuit cable and the tube nut during short-circuiting, and a Shorting the cables requires manual tightening of about 6 nuts and tools such as nuts and screwdrivers, so the workload is heavy and time-consuming, which makes the staff prone to fatigue and increases the power outage time; moreover, due to the Most of the working environment is cold and slippery, so long working hours are likely to lead to safety accidents

Contents of the invention

The purpose of the present invention is to overcome the above-mentioned deficiencies in the background technology, and to provide a quick-operation line clip for the tube-female of the transmission line with short operation time.

In order to achieve the above purpose, the present invention provides a fast operation line clamp for the pipe of a power transmission line, which includes a first clamping block and a second clamping block, the upper end of the first clamping block is movably connected with the upper end of the second clamping block, and the first clamping block is movably connected to the upper end of the second clamping block. The lower end of a clamping block is clamped with the lower end of the second clamping block through a clamping mechanism, and the clamping mouth surrounded by the first clamping block and the second clamping block matches the outer diameter of the transmission line tube; the clamping mechanism It includes a snapping plate with a snapping cam and a snapping groove matched with the snapping cam, the snapping plate is movably connected with the lower end of the first clamping block, and the snapping groove is arranged on the The lower end of the second clamping block corresponds to the position of the engaging cam. The opening and closing of the opening and closing ends of the first clamping block and the second clamping block are realized through the clamping mechanism, which has simple structure, convenient operation and short working time.

In the above solution, a connecting block is provided between the first clamping block and the clamping plate, one end of the connecting block is movably connected to the lower end of the first clamping block, and the other end of the connecting block is movably connected to the clamping plate connect.

In the above solution, the connecting block is movably connected to the middle part of one end of the clamping plate, the clamping cams are respectively arranged on both sides of the end connecting the clamping plate and the connecting block, and the clamping groove is arranged on On the outer wall of the lower end of the second clamping block, the middle part of the lower end of the second clamping block is provided with an opening matching the connecting block at a position corresponding to the connecting block. By adopting the structure in which the connecting block is embedded in the second clamping block, the two sides of the clamping plate are clamped at the lower end of the second clamping block, the force is more balanced, and the maximum clamping force that the clamping structure can bear is improved, thereby improving The clamping force between the wire clamp and the pipe mother is ensured.

In the above solution, the clamping plate is provided with an operating handle, which is convenient for the operator to operate.

In the above solution, the movable connection is a hinge.

In the above solution, the first clamping block and/or the second clamping block is provided with a connecting port for connecting the end of the short-circuit cable.

In the above solution, the first clamping block and the second clamping block are made of aviation aluminum alloy. The first clamping block and the second clamping block are made of light-weight, low-resistance and large-flow aviation aluminum alloy material, which reduces the weight of the wire clamp, and is convenient to carry and labor-saving to operate.

In the above solution, the clamping plate and the connecting block are made of aviation aluminum alloy. The clamping plate and the connecting block are made of aviation aluminum alloy material with light weight, low resistance and large flow rate, which reduces the weight of the cable clip, is convenient to carry and labor-saving to operate.

Compared with the prior art, the present invention fully demonstrates its superiority in that: on the one hand, the opening and closing of the opening and closing ends of the first clamping block and the second clamping block are realized through the clamping mechanism, which has simple structure, convenient operation and short working time ; On the other hand, by adopting the structure in which the connecting block is embedded in the second clamping block, the two sides of the clamping plate are clamped at the lower end of the second clamping block, and the force is more balanced, which improves the maximum bearing capacity of the clamping structure. clamping force, thereby improving the clamping force between the clamp and the pipe mother; on the other hand, by adding an operating handle on the clamping plate, it is convenient for the operator to operate; finally, by using light weight, low resistance and The main part of the cable clamp is made of aviation aluminum alloy material with large flow rate, which reduces the weight of the cable clamp, is convenient to carry and labor-saving to operate.

The invention has the advantages of simple structure, convenient operation, short working time and low cost.

Description of drawings

Fig. 1 is the structural representation of the use state of the present invention;

FIG. 2 is a structural schematic diagram of another viewing angle of FIG. 1;

Fig. 3 is a structural schematic view of the first clamping block and the second clamping block in the open state in the present invention;

Fig. 4 is a structural schematic view of the first clamping block and the second clamping block in a closed state in the present invention;

Fig. 5 is a structural schematic diagram of the clamping mechanism in the present invention when it is in a clamped state;

Fig. 6 is a structural representation of the present invention;

Fig. 7 is a side view structural schematic diagram of Fig. 6;

Fig. 8 is a schematic diagram of the structure of the present invention when it is used in conjunction with the rapid operation clamp for overhead lines;

FIG. 9 is a schematic side view of the structure of FIG. 8 .

In the figure, the first clamping block 1, the second clamping block 2, the clamping mouth 3, the clamping mechanism 4, the clamping cam 4a, the clamping plate 4b, the clamping groove 4c, the connecting block 4d, the opening 4e, and the operating handle 4f , 5 connectors, 6 tube nuts, 7 short-circuit cables, and 8 quick-operation clamps for overhead lines.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, but these embodiments should not be construed as limiting the present invention.

As shown in Fig. 1, this embodiment provides a quick-acting line clamp for the tube of a power transmission line, which includes a first clamping block 1 and a second clamping block 2, and the upper end of the first clamping block 1 and the upper end of the second clamping block 2 are movable. connected, the lower end of the first clamping block 1 is clamped with the lower end of the second clamping block 2 through the clamping mechanism 4, and the clamping mouth 3 surrounded by the first clamping block 1 and the second clamping block 2 is connected to the transmission line tube mother The outer diameter of 6 matches; the snap-in mechanism 4 includes a snap-in plate 4b with a snap-in cam 4a and a snap-in groove 4c matched with the snap-in cam 4a, the snap-in plate 4b and the snap-in plate 4b The lower end of the first clamping block 1 is movably connected, and the locking groove 4c is arranged at a position corresponding to the locking cam 4a at the lower end of the second clamping block 2 . The opening and closing of the opening and closing ends of the first clamping block 1 and the second clamping block 2 is realized by the clamping mechanism 4, which has simple structure, convenient operation and short working time.

A connecting block 4d is provided between the first clamping block 1 and the clamping plate 4b, one end of the connecting block 4d is movably connected to the lower end of the first clamping block 1, and the other end of the connecting block 4d is connected to the clamping plate 4b Active connections. The connecting block 4d is movably connected to the middle part of one end of the clamping plate 4b, the clamping cams 4a are respectively arranged on both sides of the end of the clamping plate 4b connected to the connecting block 4d, and the clamping groove 4c Arranged on the outer wall of the lower end of the second clamping block 2, the middle part of the lower end of the second clamping block 2 is provided with an opening 4e matched with the connecting block 4d at a position corresponding to the connecting block 4d. By adopting the structure that the connecting block 4d is embedded in the second clamping block 2, the two sides of the clamping plate 4b are clamped at the lower end of the second clamping block 2, and the force is more balanced, which improves the maximum capacity that the clamping structure 4 can bear. Clamping force, thereby improving the clamping force between the line clamp and the pipe nut 6.

An operating handle 4f is provided on the clamping plate 4b, and the operating handle 4f is convenient for the operator to operate. The movable connection is a hinge. The first clamping block 1 and/or the second clamping block 2 are provided with a connecting port 5 for connecting the end of the short-circuit cable 7 . The first clamping block 1 and the second clamping block 2 are made of aviation aluminum alloy. The first clamping block 1 and the second clamping block 2 are made of light-weight, low-resistance and large-flow aviation aluminum alloy material, which reduces the weight of the wire clamp, and is convenient to carry and labor-saving to operate. The clamping plate 4b and the connecting block 4d are made of aviation aluminum alloy. The clamping plate 4b and the connecting block 4d are made of aviation aluminum alloy materials with light weight, low resistance and large flow rate, which reduces the weight of the cable clip, is convenient to carry and labor-saving to operate.

This line clamp must be used together with the overhead line fast operation line clamp 8 (patent No. 201220742387.4 pre-hanging power transmission line melting connection line quick operation clamp or other overhead line quick operation line clamp 8). The cable 7 connects the cable clamp and the overhead line fast operation clamp 8 together. After the connection is completed, it can be used according to the following procedures:

Firstly, operate the operating handle 4f to release the clamping mechanism 4; then, spread the first clamping block 1 and the second clamping block 2, so that the opening and closing of the first clamping block 1 and the second clamping block 2 The end is opened at a certain angle, whichever can be set on the pipe mother 6; then, the wire clamp is set on the pipe mother 6; then, operate the operating handle 4f to make the snap-in cam 4a of the snap-in plate 4b It is clamped in the clamping groove 4c; finally, it is only necessary to clamp the overhead line quick-operation clamp 8 on the other end of the short-circuit cable 7 to the overhead line.

The present invention realizes the opening and closing of the opening and closing ends of the first clamping block 1 and the second clamping block 2 through the clamping mechanism 4, which has simple structure, convenient operation and short working time; The structure realizes that both sides of the clamping plate 4b are clamped at the lower end of the second clamping block 2, and the force is more balanced, which improves the maximum clamping force that the clamping structure 4 can bear, thereby improving the connection between the clamp and the pipe nut. 6 clamping force; by adding an operating handle 4f on the clamping plate 4b, it is convenient for the operator to operate; the main part of the clamp is made of aviation aluminum alloy material with light weight, low resistance and large flow rate , reducing the weight of the wire clip, easy to carry and easy to operate.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (4)

1. A fast operation line clamp for the tube and female of a transmission line, comprising a first clamping block (1) and a second clamping block (2), the upper end of the first clamping block (1) is movable with the upper end of the second clamping block (2) connection, characterized in that the lower end of the first clamping block (1) is clamped with the lower end of the second clamping block (2) through a clamping mechanism (4), and the first clamping block (1) and the second clamping block ( 2) The enclosed jaw (3) matches the outer diameter of the transmission line tube mother (6); the clamping mechanism (4) includes a clamping plate (4b) with a clamping cam (4a) and a The locking groove (4c) matched with the locking cam (4a), the locking plate (4b) is movably connected with the lower end of the first clamping block (1), and the locking groove (4c) Arranged at the position where the lower end of the second clamping block (2) corresponds to the clamping cam (4a); a connecting block (4d) is provided between the first clamping block (1) and the clamping plate (4b), One end of the connecting block (4d) is movably connected to the lower end of the first clamping block (1), and the other end of the connecting block (4d) is movably connected to the clamping plate (4b); the connecting block (4d) It is movably connected with the middle part of one end of the clamping plate (4b), and the clamping cams (4a) are respectively arranged on both sides of one end of the clamping plate (4b) connected with the connecting block (4d). The groove (4c) is arranged on the outer wall of the lower end of the second clamping block (2), and the middle part of the lower end of the second clamping block (2) corresponds to the connecting block (4d). The block (4d) is matched with the opening (4e); the clamping plate (4b) is provided with an operating handle (4f); the movable connection is hinged. 2. According to claim 1, a kind of clamp for fast operation of transmission line tube mother, characterized in that, the first clamping block (1) and/or the second clamping block (2) is provided with a short wire for connecting connection port (5) at the end of the cable. 3 . The clamp for fast operation of transmission line tubes according to claim 1 , wherein the first clamping block ( 1 ) and the second clamping block ( 2 ) are made of aviation aluminum alloy. 4 . 4 . The clamp for fast operation of transmission line tubes according to claim 1 , characterized in that, the clamping plate ( 4 b ) and the connecting block ( 4 d ) are made of aviation aluminum alloy.