CN204886008U - Wire lifting device for replacing insulator strings of large-tonnage wires with power on - Google Patents

Abstract

The utility model relates to a change large -tonnage wire insulator chain's traditional thread binding putting of carrying with electricity, the line couple is reached and carried including turn -buckle, the insulating pull -rod of multiple, the turn -buckle is including screwing the handle, and the handle of screwing constitutes screw thread transmission coordination with tight filament pole, tight filament pole lower extreme fixedly connected with connecting block, and the processing of connecting block lower extreme has the couple, the insulating pull -rod of multiple includes the upper junction plate, and U type couple and U type couple have down been welded respectively to upper junction plate and the center of connecting plate down, and it is continuous with the couple of connecting block through last round pin axle to go up U type couple, carrying the line couple and including U type hanging hole, U type hanging hole is continuous with the lower U type couple of lower U type couple through selling the axle down. The problem of it is complicated to change the technological installation of multiplexer utensil, the use of using of the many hoisting points of large -tonnage wire insulator chain with electricity, and operation personnel live working is chronic, and operation intensity is big, and danger is high is solved.

Description

Wire lifting device for replacing insulator strings of large-tonnage wires with power on

technical field

The utility model belongs to the high-voltage technical field, in particular to a wire lifting device for live replacement of large-tonnage wire insulator strings.

Background technique

With the development of the economy, the demand for electricity is increasing, and large-tonnage transmission lines are also widely used in the main grid of the power grid. The live maintenance work for the insulator strings of large-tonnage transmission lines is also increasing. In order to meet the strength requirements of large-tonnage conductors, At present, the replacement of large-tonnage wire insulator strings with live use adopts multi-point lifting technology, that is, four insulating pull rods are used in conjunction with a wire tensioner. However, the tools used in this multi-lifting point technology are complicated to install and use, and the operators have long hours of live work, high work intensity and high risk, which is not conducive to the development of live work on large-tonnage wire insulator strings.

Contents of the invention

The purpose of this utility model is to overcome the deficiency of the above-mentioned background technology, to provide a wire lifting device for live replacement of large-tonnage wire insulator strings, to solve the problem of installation and use of tools used in the technology of live replacement of large-tonnage wire insulator strings with multiple lifting points It is complicated, and the operators work with live wires for a long time, with high work intensity and high risk.

In order to achieve the above purpose, the utility model provides the following scheme: a wire lifting device for replacing large-tonnage wire insulator strings with electricity, including a wire tensioner, a multi-connected insulating pull rod and a wire lifting hook, and the wire tensioner includes a tightening The handle, tightening the handle and the tightening screw rod form a threaded transmission fit, the lower end of the tightening screw rod is fixedly connected with a connecting block, and the lower end of the connecting block is processed with a hook; the multi-connected insulating pull rod includes an upper connecting plate, a lower connecting plate and Insulated pull rod, upper U-shaped hook and lower U-shaped hook are welded at the center of the upper connecting plate and lower connecting plate respectively, the upper U-shaped hook is connected with the hook of the connecting block through the upper pin shaft, and the edges of the upper connecting plate and the lower connecting plate are the same A plurality of threaded holes are evenly distributed on the diameter, and a plurality of insulating pull rods are connected between the threaded holes; the wire lifting hook includes a U-shaped hanging hole, and the U-shaped hanging hole passes through the lower pin shaft and the lower U of the lower U-shaped hook. type hook.

The upper end of the insulating pull rod is fixed in the threaded hole of the upper connecting plate through the upper nut, and the lower end is fixed in the threaded hole of the lower connecting plate through the lower nut.

The insulating pull rod is made of insulating material.

The lower end of the U-shaped hanging hole is welded with a hook.

The non-circular structures of the main parts of the wire tensioner, the multi-connected insulating pull rod and the wire lifting hook are all chamfered.

The utility model has the following beneficial effects:

1. Using multiple insulating tie rods can lift multiple large-tonnage insulating rods at the same time. Using multi-point lifting technology can effectively improve the stability of the insulator hoisting process.

2. Through the use of four insulating pull rods in conjunction with the wire tensioner, it can effectively play an insulating role, thus facilitating the direct lifting operation with point insulators.

3. By chamfering the non-circular structures of the main parts of the wire tensioner, multi-connected insulating pull rod and the wire lifting hook, it can effectively prevent the corona phenomenon and ensure the safety of the operation sex.

4. Through the tightening handle on the thread tensioner, the entire device can be lifted through thread transmission, and the purpose of tightening the thread can be achieved after the installation is in place.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic diagram of the use state of the utility model.

Fig. 2 is a schematic diagram of multi-connected insulating rods in Fig. 1 .

Fig. 3 is a front view of the thread-handling hook in Fig. 1 .

Fig. 4 is a front view of the hook.

In the figure: Tightening handle 1, tightening screw rod 2, connecting block 3, upper pin shaft 4, upper U-shaped hook 5, upper connecting plate 6, upper nut 7, insulating pull rod 8, lower connecting plate 9, lower nut 10 , following U-shaped hook 11, following U-shaped hook 12, following bearing pin 13, U-shaped hanging hole 14, hook 15.

Detailed ways

Embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

Refer to Figure 1-4, the wire lifting device for replacing large-tonnage wire insulator strings with electricity, including a wire tightener, a multi-connected insulating pull rod and a wire lifting hook. The wire tightener includes a tightening handle 1, and a tightening handle 1 It forms a thread transmission cooperation with the tightening screw rod 2, and the lower end of the tightening screw rod 2 is fixedly connected with a connecting block 3, and the lower end of the connecting block 3 is processed with a hook; the multi-connected insulating pull rod includes an upper connecting plate 6 and a lower connecting plate 9 And insulating pull rod 8, the center of upper connecting plate 6 and lower connecting plate 9 is welded with upper U-shaped hook 5 and lower U-shaped hook 11 respectively, and upper U-shaped hook 5 links to each other with the hook of connecting block 3 by upper bearing pin 4, and upper The edges of the connecting plate 6 and the lower connecting plate 9 are evenly processed with a plurality of threaded holes at the same diameter, and a plurality of insulating pull rods 8 are connected between the threaded holes; The hole 14 links to each other with the lower U-shaped hook 12 of the lower U-shaped hook 11 through the lower pin shaft 13 . The plurality of insulating pull rods 8 can ensure the acceptance balance of the whole device during the lifting process, thereby ensuring the safety during the lifting process.

Further, when in use, the live large-tonnage wire insulator string is connected to the hook 15 of the wire lifting hook, and then the lifting operation is carried out.

Further, the upper end of the insulating pull rod 8 is fixed in the threaded hole of the upper connecting plate 6 through the upper nut 7 , and the lower end is fixed in the threaded hole of the lower connecting plate 9 through the lower nut 10 . The effective fixed connection of the insulating pull rod 8 through the nut ensures that the safety in the process is improved.

Further, the insulating pull rod 8 is made of insulating material. The use of insulating materials can insulate live insulators and ensure the safety of the lifting process.

Further, a hook 15 is welded at the lower end of the U-shaped hanging hole 14 . The insulator string can be conveniently hoisted through the hook 15 .

Further, the non-circular structures of the main parts of the wire tensioner, the multi-connected insulating pull rod and the wire lifting hook are all chamfered. Avoid corona when live work is running.

Concrete use method and operation process of the present utility model are:

First, the wire tensioner is connected to the upper U-shaped hook 5 on the upper connecting plate 6 through the connecting block 3, and the lower connecting plate 9 is connected to the upper connecting plate 6 through a plurality of insulating pull rods 8, and then the insulating pull rods 8 are connected to each other through nuts. The two ends are fixed on the upper connecting plate 6 and the lower connecting plate 9 respectively.

Then the U-shaped hanging hole 14 is connected with the lower U-shaped hook 12 by the lower bearing pin 13, and is assembled into a lifting device.

Finally, the insulator string is connected to the hook 15, and then the lifting operation is carried out.

The wire lifting device for live replacement of large-tonnage wire insulator strings in the utility model can be extended and considered in electrical equipment such as live replacement of glass insulators, composite insulators, etc., to improve the working efficiency and reliability of live work, and should be included in the utility model The scope of the claims and the like, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. The wire lifting device for replacing large-tonnage wire insulator strings with electricity is characterized in that it includes a wire tensioner, a multi-connected insulating pull rod and a wire lifting hook. The wire tensioner includes a tightening handle (1), and the tightening The handle (1) and the tightening screw rod (2) form a threaded transmission cooperation, the lower end of the tightening screw rod (2) is fixedly connected with a connecting block (3), and the lower end of the connecting block (3) is processed with a hook; the multi-connection insulation The pull bar includes an upper connecting plate (6), a lower connecting plate (9) and an insulating pull rod (8). The upper connecting plate (6) and the center of the lower connecting plate (9) are respectively welded with an upper U-shaped hook (5) and a lower connecting plate. U-shaped hook (11), the upper U-shaped hook (5) links to each other with the hook of the connecting block (3) by the upper bearing pin (4), and the edges of the upper connecting plate (6) and the lower connecting plate (9) have the same diameter. A plurality of threaded holes are evenly distributed, and a plurality of insulating pull rods (8) are connected between the threaded holes; the wire-lifting hook includes a U-shaped hanging hole (14), and the U-shaped hanging hole (14) passes through the lower pin shaft (13 ) is connected with the lower U-shaped hook (12) of the lower U-shaped hook (11). 2. The wire lifting device for live replacement of large-tonnage wire insulator strings according to claim 1, characterized in that: the upper end of the insulating pull rod (8) is fixed to the thread of the upper connecting plate (6) through the upper nut (7) In the hole, the lower end is fixed in the threaded hole of the lower connecting plate (9) by the lower nut (10). 3. The wire lifting device for live replacement of large-tonnage wire insulator strings according to claim 1 or 2, characterized in that: the insulating pull rod (8) is made of insulating material. 4. The wire lifting device for live replacement of large-tonnage wire insulator strings according to claim 1, characterized in that: the lower end of the U-shaped hanging hole (14) is welded with a hook (15). 5. The wire lifting device for live replacement of large-tonnage wire insulator strings according to claim 1, characterized in that: the non-circular parts of the main parts of the wire tensioner, multi-connected insulating pull rods and wire lifting hooks The structures are all chamfered.