CN206432624U - Transmission line tangent tower first insulator changes instrument - Google Patents

Abstract

The utility model discloses a tool for replacing the first piece of insulator in a straight tower of a transmission line. Symmetrically arranged and connected to each other by limit screws and limit nuts and installed on the fixture, each clamp body is provided with a screw groove, and the upper part of the two lead screws is provided with a threaded screw holder. The lead screw bracket is installed on the lead screw slot of the jig body, and the lower parts of the two lead screws are respectively connected with an insulator hook and an insulating pull plate, and the bottoms of the two insulating pull plates are respectively provided with wire hooks. The tool of the utility model can conveniently replace the first insulator of the straight tower of the transmission line, saves manpower and is easy to operate.

Description

First piece insulator replacement tool for transmission line straight tower

technical field

The utility model relates to the technical field of tool manufacturing, in particular to a tool for replacing a first insulator applied to a straight line tower of a power transmission line.

Background technique

At present, when the first insulator string of a straight tower insulator string on a power transmission line (220kV is taken as an example) is replaced, usually the workers at heights use tools such as chain hoists or double hooks to put away the wires first, and then tie the rope to the third insulator. The rope pulls up the whole string of insulators so that workers working at heights can replace the first piece of insulator, which is time-consuming and labor-intensive.

Utility model content

The technical problem to be solved by the utility model is to provide a tool that can conveniently replace the first insulator of the straight tower of the transmission line, which saves manpower and is easy to operate.

The utility model solves the above technical problems with the following technical solutions:

The tool for replacing the first insulator of the straight line tower of the utility model is mainly composed of two jig bodies, two lead screws, two insulator hooks and two insulating pull plates, and the two jig bodies are symmetrically arranged and arranged side by side. The limit screw and the limit nut are connected to each other and installed on the fixture. Each fixture body is provided with a screw groove, and the upper part of the two lead screws is provided with a threaded screw holder. On the lead screw groove of the fixture body, the lower parts of the two lead screws are respectively connected with an insulator hook and an insulating pull plate, and the bottoms of the two insulating pull plates are respectively provided with wire hooks.

The two jig bodies are respectively composed of horizontal bars and longitudinal bars arranged vertically to each other. The horizontal bars and the longitudinal bars are fixedly connected to each other. Pass through the limit slot and lock and fix the two fixture bodies on the fixture through the limit nut, and adjust different installation positions through the limit slot.

The utility model tool has the following advantages:

1. Using the tool of the utility model to replace the first insulator of the straight line tower of the transmission line can save more than 50% of manpower, and the high-altitude operator will be changed from 2 to 1 person, and the ground personnel will be changed from 3 to 1-2;

2. The tool of the utility model can work under power failure or electrification;

3. The utility model tool can be used for various straight poles, cross-arms of towers and hanging points of jumper strings of tension poles and towers due to the adjustable fixture assembly, and is not limited by the tower type;

4. The insulator hook used by the tool of the utility model can be applied to various glass and porcelain insulators, and is not limited by its model;

5. The tool of the utility model is simple in structure and easy to operate, and can be used only by adjusting the bolt and the pull plate.

Description of drawings

Fig. 1 is the schematic diagram of the fixture that the utility model tool adopts after assembling;

Fig. 2 is a side view of a single fixture in Fig. 1;

Fig. 3 is a top view schematic diagram of Fig. 1;

Fig. 4 is a side view of the assembled tool of the utility model.

Fig. 5 is a schematic diagram of the state of the tool of the utility model in use.

In the figure: fixture body 1, cross bar 1-1, longitudinal bar 1-2, lead screw groove 2, limit nut 3, limit screw 4, lead screw 5, lead screw bracket 6, lead screw handle 7, Insulator hook 8, insulation pull plate 9, wire hook 10, limit groove 11, cross arm 12, insulator string 13.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

The tool for replacing the first piece of insulator on the straight tower of the transmission line of the utility model includes two jig bodies 1, two lead screws 5, two insulator hooks 8 and two insulating pull plates 9, and the two jig bodies 1 are arranged symmetrically. The cloth is connected to each other through the limit screw 4 and the limit nut 3 and installed on the cross arm 12 of the transmission line or other fixed objects. The two clamp bodies 1 are respectively composed of cross bars 1-1 and longitudinal bars 1 -2 structure, the cross bar 1-1 can be provided with 2, the cross bar 1-1 and the longitudinal bar 1-2 are fixedly connected to each other, the cross bar 1-1 is provided with 2-4 screw grooves 2, and the longitudinal bar 1-2 There is a limit slot 11 on the top, the limit screw 4 passes through the limit slot 11 and the two clamp bodies 1 are locked and fixed on the cross arm 12 through the limit nut 3, and different installation positions can be adjusted through the limit slot 11 .

The tops of the two leading screws 5 are provided with threaded screw holders 6 and screw handles 7 are installed, and the bottoms of the two leading screws 5 are respectively connected with an insulator hook 8 and an insulating pull plate 9. When assembling, the The lead screw holder 6 is installed on the lead screw groove 2 of the two fixture bodies 1, the bottoms of the two insulating pull plates 9 are respectively provided with wire hooks 10 for holding up the wire 14, and the insulator hook 8 is used for holding up the insulator string 13 of the third insulator.

The fixture body 1 adopted by the utility model is made of an integrated high-hardness alloy material, which can withstand a force of 5-10 tons; the lead screw groove 2 is connected with the lead screw bracket 6, and can bear the weight of the lead screw conduction wire; The position nut 3 and the limit screw 4 can be made of galvanized steel, and the distance between the fixture assembly can be changed by adjusting the installation positions of the limit nut 3, the limit screw 4 and the limit groove 11, so as to realize installation on different wires. On the cross arm; the lead screw 5 used can be applied to the gravity of 10 tons and below, and the wire can be retracted when meeting different voltage levels and spans; the lead screw bracket 6 is made of steel, which can bear the load of the lead screw 5 The lead screw 5 cooperates to lift the wire; the insulator hook 8 is made of insulating material, and bears the weight of the insulator string after the wire is lifted, while meeting the requirements of live work; the insulating pull plate 9 is a general live work tool, which is connected with the lead screw Bearing and insulation requirements; the wire hook 10 is a high-hardness alloy material, and is connected with the insulating pull plate 9 to hook up the wire 14 .

During use, find out the total length of the insulator string 13 and the form of the cross arm, install the tool of the utility model on the cross arm 12 by adjusting, adjust the length of the insulating pull plate 9 so that its combination matches the total length of the insulator string 13, and screw the screw The lead screw groove 2 fixed on the clamp body 1 by the card holder 6 can make the wire hook 10 catch the wire 14, adjust the insulator hook 8 to hook the third insulator, and then operate the screw handle 7 to lift the wire 14 and the insulator, Take out the first piece of insulator to be replaced, and after installing a new insulator, operate the lead screw handle 7 to release the wire 14 and the insulator.

Claims (2)

1. transmission line tangent tower first insulator change instrument, it is characterised in that it mainly by two jig bodies, two Leading screw, two insulator hooks and two insulation pulling plates are constituted, and the symmetrical arrangement of two jig bodies simultaneously passes through Limit screw and limit Position nut is connected with each other and is arranged on fixture, leading screw groove is equipped with each jig body, the top of two leading screws is provided with The leading screw Kato of threaded connection, leading screw Kato is installed on the leading screw groove of jig body, and the bottom of two leading screws connects one respectively Insulator hook and an insulation pulling plate, the bottom of two insulation pulling plates is respectively equipped with thread hook.

2. transmission line tangent tower first insulator changes instrument according to claim 1, it is characterised in that described two Jig body is made up of the cross bar and vertical pole for being mutually perpendicular to arrangement respectively, and cross bar and vertical pole are mutually permanently connected, and leading screw groove is set On cross bar, vertical pole is provided with stopper slot, and Limit screw is locked two jig bodies through stopper slot and by stop nut It is fixed on fixture, different installation sites is adjusted by stopper slot.