RU173065U1 - PROTECTIVE COVER FOR WOODEN SUPPORT OF THE AIRLINE - Google Patents

Abstract

The utility model relates to the field of electricity and communications, can be used to repair wooden supports of overhead lines. Known technical solutions described in patents RU 2435917 C1 and RU 2371560 C1, which coincide in their functionality with the proposed utility model, are not intended for wooden supports of air lines. At the same time, at the moment, there is still a fairly large percentage of communication lines and power lines installed on wooden poles. Due to their decay, damage, physical deterioration, their bearing capacity decreases, which causes emergency situations. The proposed utility model is aimed at simplifying the production process and organizing the repair of wooden poles, solves (reduces negative factors) problems associated with the shortcomings of existing options for repairing poles. the model is a steel structure used to repair the wooden poles of overhead power lines or communications. Structurally, it is a bent in a semicircle sheet of stainless steel (including galvanized) with a thickness of 5 mm, an inner diameter of 240 to 274 mm, a length of 2 m and 3 steel clamps with bolted joints. The shape of the protective pad is similar to a longitudinally cut two-meter pipe with clamps.

Description

Area to which the utility model belongs

The utility model relates to the field of electric power and communications; it can be used to repair wooden supports of overhead lines.

State of the art

A technical solution is known in which a device of reinforcing elements to a support is used to restore the bearing capacity of a reinforced concrete support of a power line. The support in this case is strengthened by guy wires or struts, which are attached to the clamp located above the weakened zone of the support and to screw piles buried in the ground, and the clamp is installed with an elastic ring gasket between it and the support. This technical solution is given in patent RU 2435917 C1.

Also known is a method of restoring the bearing capacity of a reinforced concrete support of a power line by means of a reinforcing cage, described in patent RU 2371560 C1.

These analogues coincide in their functionality with the proposed utility model, but are not suitable for wooden supports of overhead lines. At the same time, currently there is still enough 110 kV overhead lines and 35, 10, 6, 0.4 kV transmission lines, as well as communication lines made using wooden poles. Due to the decay of wooden poles, their damage and physical wear, the bearing capacity decreases, which causes emergency situations.

The following options are used to repair rotten wooden supports:

1. Complete replacement of the support;

2. Replacement (installation) of a wooden or reinforced concrete stepson.

The main disadvantages of these options are:

1. The need for heavy special equipment. Due to the fact that it is often not possible to drive heavy equipment to remote sections of lines, it becomes difficult to carry out repairs. There are also supports to which, due to the built-up area, there is no technical ability to travel special equipment.

2. High labor costs.

3. The service life of the support after the replacement (installation) of the stepson is not extended for the entire period of the replaced part, but for the remaining life of the rest of the support.

4. The difficulties of transporting materials and equipment for the repair of supports.

5. The need to disconnect the line for the repair of supports.

The proposed utility model is aimed at simplifying the production process and organizing the repair of wooden supports, solves (reduces negative factors) the problems associated with the above disadvantages of existing options for repairing supports.

Utility Model Disclosure

The utility model is a steel structure used to repair the wooden poles of overhead power lines or communications. It is installed on existing supports with digging to a depth of 1 meter. The height of the lining itself is 2 m, respectively, after installation, half of the lining (1 m) below ground level, half above ground level. This ensures the strengthening of the weakest part of the support, subject to rapid decay - the junction with the ground. Due to the strength of the steel lining, the stability of the support increases, respectively, the service life is extended.

Structurally, the protective pad is a bent in a semicircle sheet of stainless steel (including galvanized) with a thickness of 5 mm, an inner radius of 240 to 274 mm, a length of 2 meters and 3 steel clamps with bolted joints. The shape of the protective pad is similar to a longitudinally cut two-meter pipe with clamps.

Salient features characterizing a utility model:

- light weight repair kit;

- small labor costs for the repair;

- no special transport is required for installation;

- the ability to install a protective pad on the power transmission towers without disconnecting the voltage.

These signs make it possible to reduce the cost of repairing supports and to make repairs in areas to which heavy machinery is not accessible.

Utility Model Implementation

The essence of the utility model is illustrated in the drawing. The protective pad is made by bending steel sheets. Figure 2. presents a view of the protective setup from the connection side of the bending sides of the steel sheet. The figure 1. presents a view of the protective lining on the smooth side of the steel sheet. The length of the steel sheets used in the manufacture of the protective lining (1) is 2 m, the thickness of the sheets is 5 mm, the width of the sheets (inner diameter of the protective lining) (2) is from 240 to 274 mm. The protective pad is secured to the support using 3 clamps (3). The clamps are bent steel strips in the form of a half ring with hooks for bolting (4). The depth of penetration of the protective strip relative to the ground level (5) is 1 m.

Claims (1)

A protective pad for wooden overhead line supports, representing a steel structure, characterized in that it includes a bent steel sheet, as well as steel clamps with bolted joints, is designed to repair wooden overhead line supports, by using which the support service life is significantly extended and the repair process is simplified.

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