CN203014270U - A triangular connecting plate connector used for a double bundled conductor in a power transmission line - Google Patents

Abstract

The utility model discloses a triangular connecting plate connector used for a double bundled conductor in a power transmission line. The triangular connecting plate connector comprises a U-shaped plate supporting rack which has double structures with a certain distance. The bottom of the U-shaped plate supporting rack is a planar structure. A connecting block is disposed on the lower part of the planar structure and connects the double structures by using bolts on the lower part of the planar structure. A left side plate and a right side plate are disposed on the two sides of each top of the U-shaped plate supporting rack and are arranged in parallel. Screw holes are correspondingly disposed on the left side plate and the right side plate. A Bolt passes through the bolt holes on the left side plate and right side plate and is fixed by a screw nut. The distance between the left side plate and the right side plate is more than the thickness of the insulating pulling plate of a triangular connecting plate lifting device. The left side plate, the right side plate, and the triangular connecting plate lifting device are fixed together by a screw nut and a bolt. The triangular connecting plate connector is capable of maintaining a line insulator at a loose state so as to easily overhaul or replace an insulator chain and is capable of achieving a purpose of overhauling or replacing the line insulator by using power-on indirect operation.

Description

Triangular plate connector for double split conductors of transmission lines

Technical field:

The utility model relates to a line maintenance tool, in particular to a triangular joint plate joint for a double-split conductor of a transmission line, which belongs to the technical field of transmission line operation and maintenance.

Background technique:

The double-split wire 12 of the transmission line is connected to the lower end of the triangular plate 10 by a wire clip (see Figure 2), and the upper end of the delta plate 10 is connected to the line insulator 9 by a pin lock, and the line insulator 9 is suspended on the iron tower support. The line insulator 9 is an important part of the transmission line. When maintenance is required, the delta plate 10 needs to be held up, the pin lock is pulled out, the delta plate 10 is separated from the line insulator 9, and the line insulator 9 is inspected or repaired. replace. And what adopt at present is the equipotential operation maintenance line insulator 9, can not realize electrified indirect operation maintenance or change line insulator.

Utility model content:

The technical problem to be solved by the utility model is to provide a triangular joint plate joint for double-split conductors of transmission lines that can realize live indirect operation maintenance or replacement of line insulators.

The technical scheme that the utility model takes for solving the technical problem is:

A triangular plate connector for double-split conductors of transmission lines, including a "U"-shaped plate bracket, the "U"-shaped plate bracket is a double-layer structure with a certain interval, and the bottom of the "U"-shaped plate bracket It is a planar structure, and the lower end of the planar structure is provided with a connecting block, and the connecting block fixes the double-layer structure together through the bottom bolts; the two sides of the top of the "U"-shaped plate bracket are respectively provided with a left side plate and a right side plate. The side plate, the left side plate and the right side plate are arranged in parallel, and the left side plate and the right side plate are respectively provided with bolt holes, and the bolts pass through the bolt holes of the left side plate and the right side plate and are fixed by nuts.

The interval between the left side plate and the right side plate is greater than the thickness of the insulating pull plate of the triangular plate lifting device, and the left side plate, the right side plate and the insulating pull plate of the triangular plate lifting device are composed of nuts and bolts. fixed together.

The "U"-shaped board bracket, the left side board and the right side board are all processed by insulating boards.

The positive beneficial effects of the utility model are as follows:

When repairing or replacing line insulators, first fix the insulating pull plate of the triangular plate lifting device on the insulating fittings at the hanging point of the iron tower cross arm, and insert the other end of the insulating pull plate into the left side plate and the right side of the utility model. The interval position of the plates is fixed together by bolts and nuts; then the bottom bolts of the bottom connecting block of the double-layer "U" plate bracket are opened, and after the triangular joint plate is clamped, the double-layer "U" is fixed by the bottom bolts. The type plate bracket and the triangular connecting plate are fixed together. Under the action of the “U” type plate bracket of the utility model, the insulator string can maintain a loose state, and the pin lock can be pulled out to separate the triangular connecting plate from the line insulator, thereby It is convenient to overhaul or replace the insulator string, and can realize the purpose of live indirect operation overhaul or replacement of line insulators.

The utility model has reasonable design and simple structure, so that the space for repairing or replacing line insulators is larger, so that the work efficiency can be improved.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a reference diagram of the use state of the utility model.

Detailed ways:

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

Referring to Fig. 1 and Fig. 2, a triangular plate connector for a double-split conductor of a transmission line, including a "U"-shaped plate bracket 1, the "U"-shaped plate bracket 1 is a double-layer structure with a certain interval, and the "U" The bottom of the plate bracket 1 is a plane structure 2, and the lower end of the plane structure 2 is provided with a connecting block 3, and the connecting block 3 connects the double-layer structure together through the bottom bolt 4; A left side plate 5 and a right side plate 6 are provided, and the left side plate 5 and the right side plate 6 are arranged in parallel, and bolt holes are respectively arranged on the left side plate 5 and the right side plate 6, and the bolt 8 passes through the left side plate 5 and the bolt holes of the right side plate 6 are fixed by nuts 7, the interval between the left side plate 5 and the right side plate 6 is greater than the thickness of the insulating pull plate 11 of the triangular joint plate lifting device, the left side plate 5, the right side plate 6 The insulating pull plate 11 of the triangular plate lifting device is fixed together by the nut 7 and the bolt 8. Wherein, "U" shape board bracket 1, left side board 5 and right side board 6 are all processed by insulating board.

When overhauling or replacing the insulators of the double-split conductors 12 of the transmission line, the insulating pull plate 11 of the hoisting device of the triangular connecting plate 10 is first fixed on the insulating fittings at the iron tower cross-arm hanging point, and the other end of the insulating pull plate 11 is inserted into the The space between the left side plate 5 and the right side plate 6 of the utility model is fixed together by bolts 8 and nuts 7; then the bottom bolt 4 of the bottom connecting block 3 of the double-layer "U" plate bracket 1 is opened, and the After the triangular connecting plate 10 is clamped, the double-layer “U”-shaped plate bracket 1 and the triangular connecting plate 10 are fixed together by the bottom bolt 4. Under the action of the “U”-shaped plate bracket of the utility model, the insulation line The sub 9 can maintain a loose state, and the pin lock is pulled out to separate the triangular plate 10 from the line insulator 9, thereby conveniently overhauling or replacing the insulator string, and can realize the purpose of live indirect operation overhaul or replacement of the line insulator.

Claims (3)

1. A triangular plate joint for double-split conductors of transmission lines, including a "U"-shaped plate bracket (1), characterized in that: the "U"-shaped plate bracket (1) is a double-layered plate with a certain interval structure, the bottom of the "U"-shaped plate bracket (1) is a plane structure (2), and the lower end of the plane structure (2) is provided with a connecting block (3), and the connecting block (3) is passed through the bottom bolt (4 ) to fix the double-layer structure together; the two sides of the top of the "U"-shaped board bracket (1) are respectively provided with a left side board (5) and a right side board (6), and the left side board (5) and the right side board The side plates (6) are arranged in parallel, the left side plate (5) and the right side plate (6) are respectively provided with bolt holes, and the bolts (8) pass through the left side plate (5) and the right side plate (6) The bolt holes are fixed by nuts (7). 2. The triangular plate joint for double-split conductors of transmission lines according to claim 1, characterized in that: the interval between the left side plate (5) and the right side plate (6) is greater than that of the triangular plate lifting device The thickness of the insulating pull plate (11), the left side plate (5), the right side plate (6) and the insulating pull plate (11) of the triangular plate lifting device are fixed on the Together. 3. The triangular plate joint for double-split conductors of transmission lines according to claim 2, characterized in that: the "U"-shaped plate bracket (1), the left plate (5) and the right plate (6) All are processed from insulating boards.

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