CN202276117U - Hanging device for V-shaped insulator strips - Google Patents

Abstract

The utility model relates to a device for hoisting a "V" type insulator, more particularly to a "V" type insulator string suspension device for a "V" type insulator string vibration test, including an electric hoist, a "V" type insulator String and "V" type insulator string assembly fittings, electric hoist includes lifting hoist and position adjustment hoist, "V" type insulator string assembly fittings are provided with two "V" type insulator strings, two "V" type insulator One end of the string is hinged on the "V" type insulator string assembly hardware, and the other ends of the two "V" type insulator strings are respectively connected to hoisting hoists, and the two hoisting hoists are symmetrically arranged on the upper beam of the iron tower. The hoist is also connected with the position adjustment hoist. The upper beam of the iron tower is parallel to the ground. It is used for the suspension of the "V" type insulator string and the adjustment of the angle between the two insulator strings, which solves the problem of the suspension method of the "V" type insulator in the conventional laboratory. insufficient.

Description

A "V" type insulator string suspension device

Technical field:

The utility model relates to a device for hoisting a "V" type insulator, in particular to a "V" type insulator string suspension device used for a vibration test of a "V" type insulator string.

Background technique:

In the field of high-voltage power transmission and transformation, insulator strings are used to connect overhead transmission lines and iron towers and provide insulation between them. With the gradual increase of the voltage level of the transmission line, the string length of the insulator string is also gradually lengthened, and the string types are divided into conventional straight strings, strain strings, and V-shaped strings to prevent wind deflection of overhead lines. In the early stage of line design, it is necessary to do power frequency or DC wet withstand test, lightning shock dry withstand test, operation shock wet withstand test, corona and radio interference test, vibration creep, etc. in the laboratory for different string insulators. Relevant electrical and mechanical performance tests. This requires the arrangement of insulator strings of different string types in the laboratory.

The suspension and assembly of the "V" insulator in the laboratory is relatively complicated. The conventional suspension method is to use one or two vertically suspended electric hoists to hang a steel cross arm, and connect the two ends of the "V" insulator string. The upper part is hung on the cross arm, and the positions of the two suspension points need to be calculated according to the string length of insulators and the angle between the two strings of insulators. The disadvantages are low degree of automation, poor ability to withstand alternating loads, low rigidity, and short service life;

Invention content:

The utility model provides a "V" type insulator string suspension device, which is used for the suspension of the "V" type insulator string and the adjustment of the angle between two insulator strings, including an iron tower and two sets of electric hoists, each set of electric hoists Both are composed of a lifting hoist and a position adjustment hoist, which solves the deficiency of the suspension method of the "V" type insulator in the conventional laboratory.

In order to achieve the above object, the utility model adopts the following technical solutions:

The utility model provides a "V" type insulator string suspension device, which includes a "V" type insulator string and a "V" type insulator string assembly hardware, and the "V" type insulator string assembly hardware is provided with two "V"-shaped insulator strings, one end of the two "V"-shaped insulator strings is hinged on the "V"-shaped insulator string assembly hardware, and fixed by bolts, the other of the two "V"-shaped insulator strings One end is respectively connected with lifting hoists, and the two lifting hoists are arranged symmetrically on the upper beam of the iron tower, and the lifting hoists are also connected with the position adjustment hoist.

In another preferred technical solution of a "V" type insulator string suspension device provided by the utility model, the position adjustment hoist is driven by a stepless speed regulation motor.

Owing to having adopted above-mentioned technical scheme, the beneficial effect that the utility model obtains is:

1. Two sets of electric hoists can lift heavy objects synchronously, and lift the V-shaped insulator test product according to the test requirements;

2. Both sets of electric hooks can withstand 5 tons of oblique tension, and there is no stepless adjustment of the distance between the two hanging points of the V-shaped string to meet the V-shaped string test at different angles, and the degree of automation is greatly improved;

3. The lifting hoist can realize oblique suspension of insulator strings, which breaks through the limitation that conventional electric hoists only allow vertical suspension of heavy objects;

4. Good ability to withstand alternating loads and meet the vibration test of insulators;

5. Large rigidity design, longer life than conventional cranes.

Description of drawings

Fig. 1 is a schematic structural diagram of a "V" type insulator string suspension device;

Among them, 1-"V"-shaped insulator string, 2-lifting hoist, 3-position adjustment hoist, 4-upper beam of iron tower, 5-fitting for assembly of "V"-shaped insulator string, 6-ground.

Detailed ways

Below in conjunction with embodiment the utility model is described in further detail.

Example 1:

As shown in Figure 1, a "V" type insulator string suspension device of the present invention includes an electric hoist, a "V" type insulator string 1 and a fitting 5 for assembling the "V" type insulator string, and the electric hoist includes a hoist The gourd 2 and the position adjustment gourd 3, the metal tool 5 for assembling the "V" type insulator strings are provided with two "V" type insulator strings 1, and one end of the two "V" type insulator strings 1 is hinged on the "V" type insulator strings On the fittings 5 for assembly, the other ends of the two "V"-shaped insulator strings 1 are respectively connected with lifting hoists 2, the two lifting hoists 2 are symmetrically arranged on the upper beam 4 of the iron tower, and the position adjustment hoists 3 are symmetrically arranged on the iron tower The two ends of the beam 4 are connected with the hoist 2 through a wire rope, the position adjustment hoist 3 is driven by a stepless speed regulating motor, and the upper beam 4 of the iron tower is arranged parallel to the ground 6 .

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present utility model can still be The specific implementation of the utility model is modified or equivalently replaced, and any modification or equivalently replaced without departing from the spirit and scope of the utility model shall be covered by the scope of the present claims.

Claims (3)

1. A "V" type insulator string suspension device, comprising a "V" type insulator string (1) and a "V" type insulator string assembly hardware (5), characterized in that: the "V" type insulator string The assembly hardware (5) is provided with two "V"-shaped insulator strings (1), and one end of the two "V"-shaped insulator strings (1) is hinged to the "V"-shaped insulator string assembly hardware (5) and fixed with bolts, the other ends of the two "V" type insulator strings (1) are respectively connected with lifting hoists (2), and the two lifting hoists (2) are symmetrically arranged on the upper beam of the iron tower ( 4), the lifting hoist (2) is also connected with the position adjustment hoist (3). 2. A kind of "V" type insulator string suspension device as claimed in claim 1, characterized in that: said position adjustment gourd (3) is symmetrically arranged on the two ends of the iron tower upper beam (4), and is connected with the steel wire rope The hoist (2) is connected. 3. A "V" type insulator string suspension device according to claim 2, characterized in that: the position adjustment hoist (3) is driven by a stepless speed regulating motor.

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