CN215291762U

CN215291762U - Composite material insulating cross arm for power transmission and distribution

Info

Publication number: CN215291762U
Application number: CN202120906258.3U
Authority: CN
Inventors: 陈威; 杨旭; 杨丹
Original assignee: Yunnan Jianyuan Electric Power Equipment Co ltd
Current assignee: Yunnan Jianyuan Electric Power Equipment Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-24
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses an insulating cross arm of combined material for power transmission and distribution relates to distribution tower equipment technical field, including dead lever, insulation board, insulating terminal, base, insulating sleeve, support column, first torsional spring, second torsional spring, first spacing, the spacing of second, the spacing of third, the spacing of fourth, first stopper and second stopper. The utility model discloses in can effectively realize the diversified buffering support that twists reverse between support column and the insulating sleeve, when insulating sleeve is at rotatory in-process, first torsional spring and second torsional spring carry out elastic buffer to insulating sleeve and handle, make when the wire atress takes place to warp the swing, insulating sleeve can cushion the resilience to the wire and handle, can effectively alleviate the effort of wire when the atress warp, reduce the impaired condition of wire in the use, can effectively guarantee the security and the stability of first torsional spring and second torsional spring, guarantee the stability of insulating terminal work.

Description

Composite material insulating cross arm for power transmission and distribution

Technical Field

The utility model relates to a distribution shaft tower equipment technical field specifically is an insulating cross arm of combined material for power transmission and distribution.

Background

The concept of power transmission and distribution includes three aspects, namely power transmission, power transformation and power distribution, wherein power transmission refers to the transmission of electric energy, so that the development and utilization of the electric energy exceed the limit of regions. Power distribution is the link in an electrical power system that connects directly with and distributes power to users. The power distribution system consists of a power distribution substation, a high-voltage distribution line, a power distribution transformer, a low-voltage distribution line and corresponding control protection equipment. The distribution line structurally comprises an overhead line and an underground cable. The overhead line mainly refers to an overhead open line which is erected above the ground, a transmission conductor is fixed on a tower erected on the ground by an insulator and is used for transmitting electric energy, and a cross arm is an important component in the tower and is used for installing the insulator and a hardware fitting to support the conductor and the lightning conductor and keep a certain safety distance according to regulations.

The existing composite material insulating cross arm for power transmission and distribution mostly does not have the buffering effect on the wire, and can not relieve the acting force of the wire when the wire is stressed and deformed, so that the wire is easy to damage in the using process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating cross arm of combined material for power transmission and distribution to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a insulating cross arm of combined material for power transmission and distribution, includes the dead lever, dead lever top level is equipped with the insulation board, the vertical insulating terminal of a plurality of that is equipped with in insulation board top, insulating terminal includes base and insulating sleeve, the base bottom with insulation board top fixed connection, the insulating sleeve movable sleeve is located the base top, the vertical support column that is equipped with in base top, the insulating sleeve inner wall be equipped with support column assorted installation cavity, the support column outer wall in the inside cover of installation cavity is equipped with first torsional spring and second torsional spring, first torsional spring with the crisscross setting of second torsional spring.

Furthermore, a first limiting strip is arranged inside the supporting column at one end of the first torsion spring, a first limiting groove matched with the first limiting strip is arranged on the inner wall of the supporting column, a second limiting strip is arranged inside the insulating sleeve at the other end of the first torsion spring, a second limiting groove matched with the second limiting strip is arranged on the inner wall of the insulating sleeve, a third limiting strip is arranged inside the supporting column at one end of the second torsion spring, a third limiting groove matched with the third limiting strip is arranged on the inner wall of the supporting column, a fourth limiting strip is arranged inside the insulating sleeve at the other end of the second torsion spring, a fourth limiting groove matched with the fourth limiting strip is arranged on the inner wall of the insulating sleeve, a plurality of first limiting blocks are arranged inside the first limiting strip and the second limiting strip of the first torsion spring, and a plurality of second limiting blocks are arranged inside the third limiting strip and the fourth limiting strip of the second torsion spring, the stability of first torsional spring and second torsional spring can be effectively strengthened, and the security performance is better.

Further, a plurality of pilot hole has been seted up to the dead lever outer wall, insulation board bottom bilateral symmetry is equipped with the bracing piece, the bracing piece with dead lever fixed connection can strengthen the stability of dead lever and insulation board, the dead lever outer wall is equipped with the flexible arc of a plurality of, flexible arc outside threaded connection has a plurality of bolt, is convenient for fix the processing to the dead lever.

Furthermore, the top of the base is provided with a supporting disk, the bottom of the insulating sleeve is sleeved with a supporting sleeve outside the supporting disk, the outer wall of the supporting disk is provided with a supporting ring, and the inner wall of the supporting sleeve is provided with an annular sliding groove matched with the supporting ring, so that the movement stability of the insulating sleeve can be enhanced.

Further, adjacent first spacing with the spacing of fourth is located same water flat line, and is adjacent the spacing of second with the spacing of third is located same water flat line, first spacing the spacing of second the spacing of third with the spacing of fourth is the cross and distributes for first torsional spring and second torsional spring are more stable at the rotational force between support column and insulating sleeve, and the security performance is better.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses a set up the dead lever, the insulation board, the insulating terminal, a pedestal, the insulating sleeve, the support column, first torsional spring, the second torsional spring, first spacing, the second spacing, third spacing and fourth spacing, the insulating terminal is used for supporting the circuit, can effectively realize the diversified torsion buffering support between support column and the insulating sleeve, when the insulating sleeve is rotatory in-process, first torsional spring and second torsional spring carry out elastic buffer to the insulating sleeve, make when the wire atress takes place to warp the swing, the insulating sleeve can cushion the resilience processing to the wire, can effectively alleviate the effort of wire when atress warp, reduce the impaired condition of wire in the use;

2. the utility model discloses a set up first stopper and second stopper, first torsional spring and first spacing and the spacing stability of being connected of second can be strengthened to first stopper, and the second stopper can be strengthened the second torsional spring and the spacing stability of being connected of third and fourth, can effectively guarantee the security and the stability of first torsional spring and second torsional spring, guarantee the stability of insulating terminal work.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the present invention as a whole;

FIG. 2 is a front sectional view of the whole body of the present invention;

fig. 3 is an enlarged schematic view of fig. 2 a according to the present invention;

fig. 4 is an enlarged schematic view of fig. 2B according to the present invention;

FIG. 5 is a top sectional view of the support post of the present invention connected to the insulating sleeve;

fig. 6 is a top cross-section of the alternative embodiment of fig. 5;

in the figure: 1. fixing the rod; 2. an insulating plate; 3. an insulated terminal; 4. a base; 5. an insulating sleeve; 6. a support pillar; 7. a mounting cavity; 8. a first torsion spring; 9. a second torsion spring; 10. a first limit strip; 11. a first limit groove; 12. a second limit strip; 13. a second limit groove; 14. a third limiting strip; 15. a third limiting groove; 16. a fourth limit strip; 17. a fourth limit groove; 18. a first stopper; 19. a second limiting block; 20. an assembly hole; 21. a support bar; 22. a flexible arc plate; 23. a bolt; 24. a support disc; 25. a support sleeve; 26. a support ring; 27. an annular chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The composite material insulating cross arm for power transmission and distribution as shown in fig. 1-6 comprises a fixing rod 1, wherein an insulating plate 2 is horizontally arranged on the top of the fixing rod 1, a plurality of insulating terminals 3 are vertically arranged on the top of the insulating plate 2, each insulating terminal 3 comprises a base 4 and an insulating sleeve 5, the bottom of each base 4 is fixedly connected with the top of the corresponding insulating plate 2, each insulating sleeve 5 is movably sleeved on the top of each base 4, a supporting column 6 is vertically arranged on the top of each base 4, an installation cavity 7 matched with the corresponding supporting column 6 is arranged on the inner wall of each insulating sleeve 5, a first torsion spring 8 and a second torsion spring 9 are sleeved on the outer wall of each supporting column 6 in the installation cavity 7, the first torsion springs 8 and the second torsion springs 9 are arranged in a staggered manner, a first limiting strip 10 is arranged inside each supporting column 6 at one end of each first torsion spring 8, a first limiting groove 11 matched with the first limiting strip 10 is arranged on the inner wall of each supporting column 6, the other end of the first torsion spring 8 is arranged in the insulating sleeve 5, a second limiting strip 12 is arranged inside the insulating sleeve, a second limiting groove 13 matched with the second limiting strip 12 is formed in the inner wall of the insulating sleeve 5, a third limiting strip 14 is arranged inside the supporting column 6, a third limiting groove 15 matched with the third limiting strip 14 is formed in the inner wall of the supporting column 6, a fourth limiting strip 16 is arranged inside the insulating sleeve 5 at the other end of the second torsion spring 9, and a fourth limiting groove 17 matched with the fourth limiting strip 16 is formed in the inner wall of the insulating sleeve 5.

A plurality of pilot hole 20 has been seted up to 1 outer wall of dead lever, 2 bottom bilateral symmetry of insulation board are equipped with bracing piece 21, bracing piece 21 with 1 fixed connection of dead lever uses pilot hole 20 to be convenient for fix the assembly to distribution tower to dead lever 1, and the stability of dead lever 1 and insulation board 2 can be strengthened to bracing piece 21, 1 outer wall of dead lever is equipped with the flexible arc 22 of a plurality of, flexible arc 22 outside threaded connection has a plurality of bolt 23, uses flexible arc 22 and bolt 23 to be convenient for with 1 fixed mounting of dead lever on distribution tower.

The top of the base 4 is provided with a supporting disk 24, the bottom of the insulating sleeve 5 is sleeved with a supporting sleeve 25 outside the supporting disk 24, the outer wall of the supporting disk 24 is provided with a supporting ring 26, the inner wall of the supporting sleeve 25 is provided with an annular sliding groove 27 matched with the supporting ring 26, the supporting disk 24 rotatably supports the supporting sleeve 25, and the supporting ring 26 rotates along the annular sliding groove 27, so that the movement stability of the insulating sleeve 5 can be further enhanced.

Adjacent first spacing 10 with fourth spacing 16 is located same water flat line, and is adjacent second spacing 12 with third spacing 14 is located same water flat line, first spacing 10 second spacing 12 third spacing 14 with fourth spacing 16 is the cross and distributes, and the spacing of cross distribution can realize the spacing support of multi-angle to first torsional spring 8 and second torsional spring 9 for first torsional spring 8 and second torsional spring 9's rotational force between support column 6 and insulating sleeve 5 is more stable, and the security performance is better.

The implementation mode is specifically as follows: when in use, the fixing rod 1 is used for fixedly supporting the insulating plate 2, the insulating plate 2 is used for supporting the bottom of the insulating terminal 3, the insulating terminal 3 is used for supporting a circuit, the circuit is wound on the insulating sleeve 5, the base 4 is used for rotatably supporting the bottom of the insulating sleeve 5, the supporting column 6 is rotatably supported on the inner side of the installation cavity 7 in the insulating sleeve 5 to ensure the stability of the insulating sleeve 5, the first torsion spring 8 and the second torsion spring 9 rotatably support the supporting column 6 and the insulating sleeve 5 in the installation cavity 7, the first limiting strip 10 is used for limiting and supporting one end of the first torsion spring 8 in the inner side of the first limiting groove 11, the second spacing 12 carries out spacing support to the 8 other ends of first torsion spring in second spacing groove 13 inboard, the spacing support is carried out to the 9 one ends of second torsion spring to the third spacing 14 inboard in third spacing groove 15, the spacing support is carried out to the 9 other ends of second torsion spring to the fourth spacing 16 inboard in fourth spacing groove 17, first torsion spring 8 and the crisscross distribution of second torsion spring 9, can effectively realize the diversified buffering support that twists reverse between support column 6 and the insulating sleeve 5, when insulating sleeve 5 is at rotatory in-process, first torsion spring 8 and second torsion spring 9 carry out elastic buffer to insulating sleeve 5, make when the wire atress takes place to warp the swing, insulating sleeve 5 can cushion the resilience to the wire and handle, can effectively alleviate the effort of wire when the atress warp, reduce the impaired condition of wire in the use.

As shown in fig. 5 to 6, the composite insulating cross arm for power transmission and distribution further includes a plurality of first limiting blocks 18 disposed inside the first limiting strip 10 and the second limiting strip 12, the first limiting blocks 18 are fixedly connected to the first torsion spring 8, and a plurality of second limiting blocks 19 are disposed inside the third limiting strip 14 and the fourth limiting strip 16 of the second torsion spring 9.

The implementation mode is specifically as follows: during the use, through setting up first stopper 18 and second stopper 19, first stopper 18 carries out spacing processing between first torsion spring 8 and first spacing 10 and the spacing 12 of second, strengthen the stability that first torsion spring 8 is connected with first spacing 10 and the spacing 12 of second, second stopper 19 carries out spacing processing between second torsion spring 9 and third spacing 14 and the spacing 16 of fourth, strengthen the stability that second torsion spring 9 is connected with third spacing 14 and the spacing 16 of fourth, can effectively guarantee the security and the stability of first torsion spring 8 and second torsion spring 9, guarantee the stability of insulating terminal 3 work.

The utility model discloses the theory of operation:

referring to the attached drawings 1-6 of the specification, through setting up dead lever 1, insulation board 2, insulating terminal 3, base 4, insulating sleeve 5, support column 6, first torsional spring 8, second torsional spring 9, first spacing 10, spacing 12 of second, spacing 14 of third and spacing 16 of fourth, insulating terminal 3 is used for supporting the circuit, can effectively realize that diversified torsion between support column 6 and the insulating sleeve 5 cushions the support, when insulating sleeve 5 is rotatory in-process, first torsional spring 8 and second torsional spring 9 carry out the elastic buffer processing to insulating sleeve 5, make when the wire atress takes place to warp the swing, insulating sleeve 5 can cushion the resilience processing to the wire, can effectively alleviate the effort of wire when the atress warp, reduce the impaired condition of wire in the use.

Referring to the attached drawings 5-6 of the specification, by arranging the first limiting block 18 and the second limiting block 19, the first limiting block 18 can enhance the connection stability of the first torsion spring 8 with the first limiting strip 10 and the second limiting strip 12, and the second limiting block 19 can enhance the connection stability of the second torsion spring 9 with the third limiting strip 14 and the fourth limiting strip 16, so that the safety and stability of the first torsion spring 8 and the second torsion spring 9 can be effectively ensured, and the working stability of the insulated terminal 3 can be ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a insulating cross arm of combined material for power transmission and distribution, includes dead lever (1), its characterized in that: dead lever (1) top level is equipped with insulation board (2), insulation board (2) top is vertical to be equipped with a plurality of insulation terminal (3), insulation terminal (3) are including base (4) and insulating sleeve (5), base (4) bottom with insulation board (2) top fixed connection, insulating sleeve (5) movable sleeve is located base (4) top, base (4) top is vertical to be equipped with support column (6), insulating sleeve (5) inner wall be equipped with support column (6) assorted installation cavity (7), support column (6) outer wall in installation cavity (7) inside cover is equipped with first torsional spring (8) and second torsional spring (9), first torsional spring (8) with second torsional spring (9) crisscross the setting.

2. The composite insulating cross arm for power transmission and distribution of claim 1, wherein: one end of the first torsion spring (8) is provided with a first limiting strip (10) inside the supporting column (6), the inner wall of the supporting column (6) is provided with a first limiting groove (11) matched with the first limiting strip (10), the other end of the first torsion spring (8) is provided with a second limiting strip (12) inside the insulating sleeve (5), the inner wall of the insulating sleeve (5) is provided with a second limiting groove (13) matched with the second limiting strip (12), one end of the second torsion spring (9) is provided with a third limiting strip (14) inside the supporting column (6), the inner wall of the supporting column (6) is provided with a third limiting groove (15) matched with the third limiting strip (14), the other end of the second torsion spring (9) is provided with a fourth limiting strip (16) inside the insulating sleeve (5), the inner wall of the insulating sleeve (5) is provided with a fourth limiting groove (17) matched with the fourth limiting strip (16), the first torsion spring (8) is provided with a plurality of first limiting blocks (18) inside the first limiting strip (10) and the second limiting strip (12), and the second torsion spring (9) is provided with a plurality of second limiting blocks (19) inside the third limiting strip (14) and the fourth limiting strip (16).

3. The composite insulating cross arm for power transmission and distribution of claim 1, wherein: a plurality of pilot hole (20) have been seted up to dead lever (1) outer wall, insulation board (2) bottom bilateral symmetry is equipped with bracing piece (21), bracing piece (21) with dead lever (1) fixed connection, dead lever (1) outer wall is equipped with flexible arc (22) of a plurality of, flexible arc (22) outside threaded connection has a plurality of bolt (23).

4. The composite insulating cross arm for power transmission and distribution of claim 1, wherein: the base (4) top is equipped with supporting disk (24), insulating sleeve (5) bottom in supporting disk (24) outside cover is equipped with support cover (25).

5. The composite insulating cross arm for power transmission and distribution of claim 4, wherein: the outer wall of the supporting disc (24) is provided with a supporting ring (26), and the inner wall of the supporting sleeve (25) is provided with an annular sliding groove (27) matched with the supporting ring (26).

6. The composite insulating cross arm for power transmission and distribution according to claim 2, wherein: adjacent first spacing strip (10) with fourth spacing strip (16) are located same water flat line, and are adjacent second spacing strip (12) with third spacing strip (14) are located same water flat line, first spacing strip (10) second spacing strip (12) third spacing strip (14) with fourth spacing strip (16) are the cross and distribute.