CN106049967A - Electrical power network supporting structure - Google Patents

Abstract

The invention provides a support structure for a power grid, which includes a utility pole; a cross arm, which is arranged on the utility pole; an insulator, where the insulator is set on the cross arm, and there are multiple insulators, and at least one insulator is arranged obliquely on the cross arm , the insulator has a fixed end for fixing the wire, and the distance from the fixed end to the utility pole on the inclined insulator is smaller than the distance from the end of the cross arm to the utility pole. The technical solution provided by the invention can solve the problem of large occupied area in the prior art.

Description

grid support structure

technical field

The invention relates to the technical field of urban power transmission, in particular to a grid support structure.

Background technique

At present, in the process of urban 220kV power grid construction, iron towers are usually used for power transmission. Due to the increasingly tight urban land resources, iron towers occupy a large area and wide corridors. Therefore, iron towers in the prior art cannot Satisfy the transmission requirements.

Contents of the invention

The invention provides a grid support structure to solve the problem of large occupied area in the prior art.

According to a power grid support structure provided by the present invention, the power grid support structure includes a utility pole; a cross arm, arranged on the utility pole; an insulator, the insulator is arranged on the cross arm, and there are multiple insulators, and at least one insulator is arranged obliquely on the cross arm , the insulator has a fixed end for fixing the wire, and the distance from the fixed end to the utility pole on the inclined insulator is smaller than the distance from the end of the cross arm to the utility pole.

Further, every two insulators constitute a group, one end of the two insulators of the same group is respectively connected to the cross arm, and the other ends of the two insulators are connected together.

Further, two insulators of the same group are arranged on the cross arm in a V shape.

Further, the cross arm is arranged on the utility pole with the utility pole as the center of symmetry.

Further, there are multiple cross arms, and the lengths of two adjacent cross arms are different.

Further, a plurality of insulators arranged on the same cross arm are symmetrically arranged on the cross arm with the utility pole as the center of symmetry.

Further, the grid support structure also includes a composite insulating cross arm, which is arranged on the utility pole.

Further, the grid support structure also includes a fixing frame, and the composite insulating cross-arm is arranged on the utility pole through the fixing frame.

Further, the fixing frame includes a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are arranged at intervals on the utility pole, and the composite insulating cross-arm is arranged between the first fixing frame and the second fixing frame.

Further, the composite insulating cross-arm has knuckles, and there are two composite insulating cross-arms, and the two composite insulating cross-arms are symmetrically arranged on the first fixing frame and the second fixing frame with the utility pole as the center of symmetry.

Applying the technical solution of the present invention, using the utility pole as a support, can reduce the overall footprint of the device, and by placing part of the insulators obliquely on the cross arm, the distance between the fixed end of the insulator and the utility pole can be reduced, thereby enabling Reduce the distance between the wires and the poles, thereby reducing the width of the corridor. Through the support structure of the grid, the width of the corridor can be shortened while reducing the occupied area, so that the overall occupied space of the device can be reduced, so that it can meet the requirements of the small space. local use requirements.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 shows a schematic diagram of a grid support structure provided according to an embodiment of the present invention.

Wherein, the above-mentioned accompanying drawings include the following reference signs:

10. Telephone pole; 20. Cross arm; 30. Insulator; 40. Composite insulating cross arm; 51. First fixing frame; 52. Second fixing frame.

detailed description

It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in FIG. 1 , in an embodiment of the present invention, a grid support structure is provided, and the grid support structure includes: a utility pole 10 , a cross arm 20 and an insulator 30 . Wherein, the utility pole 10 is used as a general support, and the cross arm 20 is used for placing the insulator 30 . In the grid support structure, a plurality of insulators 30 are arranged, wherein at least one insulator 30 is arranged obliquely on the cross arm 20 . In this way, the space occupied by the cross arm 20 can be reduced, thereby shortening the length of the cross arm 20 . Moreover, the distance from the fixed end of the insulator 30 arranged obliquely to the utility pole 10 is smaller than the distance from the end of the cross arm 20 to the utility pole 10 .

Applying the technical solution of the present invention, using the utility pole 10 as a support, can reduce the overall floor space of the device; by placing part of the insulator 30 obliquely on the cross arm 20, the distance between the fixed end of the insulator 30 and the utility pole 10 can be reduced. The distance between the electric wire and the utility pole 10 can be reduced, thereby reducing the width of the corridor; through the grid support structure, the width of the corridor can be shortened while reducing the occupied area, so that the overall occupied space of the device can be reduced, thereby It can meet the requirements for use in places with limited space.

Wherein, there are many ways to arrange the insulators 30. In this embodiment, two insulators 30 are arranged as a group, and one end of the two insulators 30 in the same group is respectively connected to the cross arm 20. The two insulators 30 The other ends are connected together. Through this structure, the length of the cross arm 20 can be shortened to the greatest extent while satisfying the supporting strength of the insulator 30 .

Optionally, two insulators 30 of the same group are arranged on the cross arm 20 in a V shape. Wherein, multiple sets of insulators 30 can be arranged on one cross arm 20 . Optionally, in this embodiment, two groups of insulators 30 are arranged on each cross arm 20 , and the two groups of insulators 30 are symmetrically arranged on the cross arm 20 with the utility pole 10 as the center of symmetry.

Specifically, the cross arm 20 can be set on the utility pole 10 with one end as a free end and the other end as a fixed end, or can be set on the utility pole 10 with the middle part of the cross arm 20 as a fixed point. In order to ensure the overall stability of the structure and reduce the load at the joint between the cross arm 20 and the utility pole 10 , the cross arm 20 is fixedly arranged on the utility pole 10 with the middle part as a fixed point.

In this embodiment, there are multiple cross-arms 20 , and the lengths of two adjacent cross-arms 20 are different, which facilitates the arrangement of electric wires and reduces the interference between adjacent electric wires. Specifically, the cross arms 20 can be installed one long and one short along the height of the utility pole 10 .

Wherein, there are many ways to arrange the multiple insulators 30 on the same cross arm 20 on the cross arm 20 . In order to make the structure more stable and easy to install, a plurality of insulators 30 located on the same cross arm 20 can be symmetrically arranged on the cross arm 20 with the utility pole 10 as the center of symmetry.

In this embodiment, the grid support structure further includes a composite insulating cross-arm 40 , and the composite insulating cross-arm 40 is arranged on the utility pole 10 . By installing the composite insulation cross arm 40, more wires can be grafted in a limited space, so as to improve the load capacity of the overall structure.

Specifically, the grid support structure further includes a fixing frame, through which the composite insulating cross-arm 40 is fixed on the utility pole 10 .

The fixed frame includes a first fixed frame 51 and a second fixed frame 52, wherein the first fixed frame 51 and the second fixed frame 52 are arranged on the utility pole 10 at intervals, and the composite insulating cross-arm 40 is arranged on the first fixed frame 51 and the second fixed frame 52. Between the second fixing frame 52 . The composite insulating cross-arm 40 is fixed by the first fixing frame 51 and the second fixing frame 52 , so that the composite insulating cross-arm 40 is stably fixed on the utility pole 10 .

In this embodiment, the composite insulating cross-arm 40 has knuckles, wherein there are two composite insulating cross-arms 40 , and the two composite insulating cross-arms 40 are respectively fixed at both ends of the fixing frame. Specifically, the two composite insulating cross arms 40 are symmetrically arranged on the fixing frame with the utility pole 10 as the center of symmetry. Wherein, as shown in FIG. 1 , the first fixing frame 51 , the second fixing frame 52 and the composite insulating cross-arm 40 form a triangle to improve the stability of the structure.

The application of the grid support structure provided by the invention shortens the width of the corridor while reducing the occupied area, and can increase the load capacity. The structure is simple and the support is stable, which can meet the increasingly tight support requirements of the land space.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A grid support structure, characterized in that the grid support structure comprises: Telephone poles (10); A cross arm (20), arranged on the utility pole (10); An insulator (30), the insulator (30) is arranged on the cross arm (20), there are multiple insulators (30), at least one of the insulators (30) is arranged obliquely on the cross arm (20) Above, the insulator (30) has a fixed end for fixing wires, and the distance from the fixed end of the insulator (30) arranged obliquely to the utility pole (10) is smaller than the distance from the end of the cross arm (20) to The distance of the utility pole (10). 2. The grid support structure according to claim 1, characterized in that every two insulators (30) form a group, and one end of the two insulators (30) of the same group is respectively connected to the cross arm (20) connection, the other ends of the two insulators (30) are connected together. 3. The grid support structure according to claim 2, characterized in that, the two insulators (30) of the same group are arranged on the cross arm (20) in a V shape. 4. The grid support structure according to claim 1, characterized in that, the cross arm (20) is arranged on the utility pole (10) with the utility pole (10) as a symmetrical center. 5. The grid support structure according to claim 4, characterized in that there are multiple cross arms (20), and two adjacent cross arms (20) have different lengths. 6. The grid support structure according to claim 4, characterized in that, the plurality of insulators (30) arranged on the same cross arm (20) are symmetrical about the center of symmetry of the utility pole (10) Set on the cross arm (20). 7. The grid support structure according to claim 1, wherein the grid support structure further comprises: The composite insulating cross arm (40) is arranged on the utility pole (10). 8. The grid support structure according to claim 7, characterized in that, the grid support structure further comprises a fixing frame, and the composite insulating cross-arm (40) is arranged on the utility pole (10) through the fixing frame superior. 9. The grid support structure according to claim 8, characterized in that, the fixed frame comprises a first fixed frame (51) and a second fixed frame (52), and the first fixed frame (51) and the The second fixing frame (52) is arranged at intervals on the utility pole (10), and the composite insulating cross arm (40) is arranged between the first fixing frame (51) and the second fixing frame (52). between. 10. The grid support structure according to claim 9, characterized in that, the composite insulating cross-arm (40) has a knuckle, and there are two composite insulating cross-arms (40), and the two composite insulating cross-arms (40) symmetrically arranged on the first fixing frame (51) and the second fixing frame (52) with the utility pole (10) as the center of symmetry.