CN201546478U - a hanging corner tower - Google Patents

Abstract

The utility model provides a pendulous angle tower which comprises an earth wire cross arm, a conductive wire cross arm, a tower body, an upper crank arm, a lower crank arm and a tower foot main material, wherein the tower foot main material is fixed on a ground foundation, the lower side of the tower body is fixedly connected with the tower foot main material, the upper side of the tower body is connected with the lower crank arm which is connected with the upper crank arm, the crank arm is connected with the conductive wire cross arm, and one end of the conductive wire cross arm is downwards bent. Compared with the prior art, the pendulous angle tower of the utility model can satisfy the demand of hanging L-shaped insulator strings, and the pendulous angle tower can adopt 3L-shaped insulator string arrangement mode.

Description

a hanging corner tower

technical field

The utility model relates to the technical field of iron towers for transmission lines, in particular to a hanging corner tower.

Background technique

The suspension corner tower used in the transmission line in the prior art adopts the IVI type arrangement of three-phase wire insulator strings. The wind deflection of this IVI type insulator string is very large, so the occupied power corridor is very wide. For safety considerations , It is necessary to transplant or cut down trees within the scope of the power corridor or demolish houses, which has caused a huge waste of manpower and material costs. Therefore, in order to overcome the shortcomings of the above-mentioned prior art, the IVI insulator strings can be replaced with L-type insulator strings. In order to adapt to the series characteristics of the L-type insulator strings, there is an urgent need for a hanging corner tower that can facilitate the suspension of the L-type insulator strings.

Utility model content

The utility model provides a hanging corner tower, which can meet the requirements of hanging L-shaped insulator strings.

A hanging corner tower provided by the embodiment of the utility model includes a ground wire cross arm, a wire cross arm, a tower body, an upper curved arm, a lower curved arm, and the main material of the tower foot. The main material of the tower foot is fixed on the foundation, and the tower body The bottom is fixedly connected with the main material of the tower foot, the upper part of the tower body is connected with the lower curved arm, the lower curved arm is connected with the upper curved arm, the upper curved arm is connected with the wire cross arm, and one end of the wire cross arm is bent downward.

Further, the left hanging point of the first insulator string is provided at the bend of the conductor cross-arm, and the right hanging point of the first insulator string corresponding to the left hanging point of the first insulator string is arranged on the conductor cross-arm.

Further, the upper curved arm includes a left upper curved arm and a right upper curved arm, the left upper curved arm is provided with a second insulator string left string hanging point, and the conductor cross arm is provided with the second insulator string left string hanging point Corresponding second insulator string right string hanging point.

Further, the left string hanging point of the second insulator string on the left upper crank arm is set on the inner side of the left upper crank arm.

Further, the upper curved arm includes a left upper curved arm and a right upper curved arm, the right upper curved arm is provided with a third insulator string left string hanging point, and a conductor cross arm is provided with the third insulator string left string The third insulator string right string hanging point corresponding to the hanging point.

Further, the left string hanging point of the second insulator string on the right upper crank arm is set outside the right upper crank arm.

Further, the hanging point of the right string of the insulator string is higher than the hanging point of the left string of the insulator string.

Further, the wire cross-arm includes a left wire cross-arm, a right wire cross-arm and a middle wire cross-arm, the left wire cross-arm and the right wire cross-arm are located on both sides of the middle wire cross-arm respectively, and the length of the left wire cross-arm It is longer than the length of the right wire crossarm.

Further, the distance from the end of the left conductor cross-arm to the central axis of the middle conductor cross-arm is 33.4 meters, and the distance from the end of the right conductor cross-arm to the central axis of the middle conductor cross-arm is 30.6 meters.

Further, the conductor cross-arm includes a left conductor cross-arm, a right conductor cross-arm and a middle conductor cross-arm, the left conductor cross-arm and the right conductor cross-arm are respectively located on both sides of the middle conductor cross-arm, and the center of the middle conductor cross-arm The straight-line distance from the axis position to the left upper crank arm is greater than the straight-line distance from the central axis position of the center conductor cross-arm to the right upper crank arm.

It can be seen from the above technical scheme that compared with the prior art, in the embodiment of the present invention, the hanging corner tower adopted can meet the requirements of hanging L-shaped insulator strings, and the hanging corner tower adopted in the embodiment of the present utility model There is no need to set a hanger for hanging the insulator string, and the insulator string can be hung on the hanging point on the wire cross arm and the crank arm, because no hanger is needed, the corner tower looks more compact and beautiful, and the structure is simpler.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

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

Fig. 2 is a structural schematic diagram of the hanging point provided on the crank arm in the embodiment of the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The embodiment of the utility model provides a hanging corner tower, as shown in Fig. 1, which includes a ground wire cross arm 1, a wire cross arm 2, a tower body 5, an upper curved arm 3, a lower curved arm 4, a main material 6 of a tower foot, and a The foot main material 6 is fixed on the foundation, the lower part of the tower body 5 is fixedly connected with the tower foot main material 6, the upper part of the tower body 5 is connected with the lower curved arm 4, the lower curved arm 4 is connected with the upper curved arm 3, and the upper curved arm 3 is connected with the wire transverse The pole 2 is connected, and one end of the wire cross arm is bent downward. During specific implementation, according to the actual situation, the ground wire cross arm 1 can also be provided on the wire cross arm 2,

The wire cross-arm may include a left wire cross-arm 8 , a middle wire cross-arm 9 and a right wire cross-arm 10 . According to the actual installation situation, the end of the left wire cross-arm 8 can be bent downward, or the preset length can be extended along the bending direction after bending downward. When it is necessary to pay attention to the specific implementation, when setting the bending angle of the end of the wire cross-arm, the set bending angle should meet the principle of electrical clearance.

When installing the L-shaped insulator string 7, the left string hanging point of the first insulator string can be set at the position of the bent end of the wire cross arm 2, and the left string hanging point of the first insulator string can be set on the wire cross arm. Corresponding to the right string hanging point of the first insulator string, the right string hanging point of the first insulator string can be set on the left wire cross arm 8 . During specific implementation, the left string hanging point of the first insulator string can be set at the bending place of the left conductor cross arm 8 or on the downward bending extension of the left conductor cross arm.

In the embodiment of the present utility model, the upper crank arm 3 may include a left upper crank arm 11 and a right upper crank arm 12, and the left upper crank arm 11 is provided with a second insulator string hanging point on the left string, on the wire cross-arm A right-string hanging point of the second insulator string corresponding to the left-string hanging point of the second insulator string is provided. The right string hanging point of the second insulator string can be arranged on the middle conductor cross-arm 9 . During specific implementation, a left string hanging point of the second insulator string may be provided on the inner side of the left upper crank arm 11 .

The left upper hanging point of the third insulator string is provided on the right upper crank arm 12, and the right hanging point of the third insulator string corresponding to the left hanging point of the third insulator string is arranged on the wire cross arm. The right string hanging point of the third insulator string can be arranged on the right wire cross arm 10 . During specific implementation, the left string hanging point of the third insulator string can be set on the outer side of the upper right crank arm 12 .

It has been mentioned above that the characteristic of the L-shaped insulator string is that the length of the left string of the L-shaped insulator string is greater than the length of the right string of the L-shaped insulator string, so the set hanging point of the left string is lower than the set hanging point of the right string of the insulator string. During implementation, the hanging point of the first insulator string left string set at the bend of the left conductor cross-arm 8 is lower than the outer string hanging point of the first insulator string arranged on the left conductor cross-arm, on the inner side of the upper crank arm 11 The hanging point of the left string of the second insulator string set is lower than the right string hanging point of the second insulator string arranged on the middle conductor cross arm 9, and the outer side of the upper right crank arm 12 is provided with a third insulator string with a left string hanging point lower than the set point. The third insulator string right string hanging point on the right conductor cross arm 10.

According to the above-mentioned embodiment, during specific implementation, three L-shaped insulator strings can be suspended on the hanging corner tower. The schematic diagram of the suspension can be seen in FIG. 1 , which will not be repeated here.

In another embodiment of the present invention, it is also possible to set the wire crossarm so that the left and right lengths are asymmetrical. Specifically, the length of the left wire cross-arm 8 can be set to be greater than the length of the right wire cross-arm 10 . If a symmetrical cross-arm structure is used, then according to the actual design situation, the length of the cross-arm should be based on the longer cross-arm, so when using a symmetrical cross-arm structure, it is necessary to increase the length of the shorter cross-arm , the increased part of the cross arm causes the weight of the hanging corner tower to increase, and also increases the steel consumption when manufacturing the hanging corner tower. In specific implementation, the distance from the end of the left conductor cross-arm 8 to the central axis position of the middle conductor cross-arm 9 can be 33.4 meters, and the distance from the end of the right conductor cross-arm 10 to the central axis position of the middle conductor cross-arm 9 can be 33.4 meters. The distance is 30.6 meters. Certainly the setting of this distance can be set according to the actual situation, only needs to satisfy the length of left conductor crossarm 8 greater than the length of right conductor crossarm 10 just passable.

In specific implementation, in order to facilitate the installation of the L-shaped insulator string 7, the straight-line distance from the central axis position of the middle conductor cross-arm to the left upper crank arm can be set to be greater than the straight-line distance from the central axis position of the middle conductor cross-arm to the right upper crank arm . In practice, the straight-line distance from the central axis position of the center conductor cross-arm to the left upper crank arm can be set as 10.4 meters, and the straight-line distance from the central axis position of the center conductor cross-arm to the right upper crank arm can be set as 8.2 meters.

In the previous embodiment, when installing the L-shaped insulator string, it is necessary to set the left string hanging point of the insulator string on the left upper crank arm and the right upper crank arm. In the actual implementation, the setting of the left string hanging point of the upper crank arm Can refer to Fig. 2, can set 4 angle steels 12 as a group of two angle steels on the upper left crank arm and the upper right crank arm, and each group of angle steels is installed backwards.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. angle tower that dangles, it is characterized in that: comprise ground wire cross-arm, lead cross-arm, body of the tower, on crank arm, lower bent lever, column foot master material, column foot master material is fixed on the ground, the body of the tower below is fixedly connected with column foot master material, the body of the tower top connects lower bent lever, lower bent lever connects cranks arm, on crank arm and connect with the lead cross-arm, lead cross-arm one end bends downwards.

2. the angle tower that dangles according to claim 1 is characterized in that: lead cross-arm bending place is provided with first insulator string left side string hanging point, is provided with the first insulator string right string hanging point corresponding with described first insulator string left side string hanging point on the lead cross-arm.

3. the angle tower that dangles according to claim 1, it is characterized in that: cranking arm on described comprises upper left cranking arm and upper right cranking arm, described upper left cranking arm is provided with second insulator string left side string hanging point, is provided with the second insulator string right string hanging point corresponding with described second insulator string left side string hanging point on the lead cross-arm.

4. the angle tower that dangles according to claim 3 is characterized in that: second insulator string left side string hanging point on described upper left the cranking arm is arranged on upper left inboard of cranking arm.

5. the angle tower that dangles according to claim 1, it is characterized in that: cranking arm on described comprises upper left cranking arm and upper right cranking arm, described upper right cranking arm is provided with the 3rd insulator string left side string hanging point, is provided with the three insulator string right string hanging point corresponding with described the 3rd insulator string left side string hanging point on the lead cross-arm.

6. the angle tower that dangles according to claim 5 is characterized in that: second insulator string left side string hanging point on upper right the cranking arm is arranged on the upper right outside of cranking arm.

7. according to each described angle tower that dangles of claim 2-6, it is characterized in that: the right string of described insulator string hanging point is higher than described insulator string left side string hanging point.

8. the angle tower that dangles according to claim 1, it is characterized in that: the lead cross-arm comprises left lead cross-arm, right lead cross-arm and middle lead cross-arm, described left lead cross-arm and right lead cross-arm lay respectively at middle lead cross-arm both sides, and the length of described left lead cross-arm is greater than right lead cross-arm length.

9. the angle tower that dangles according to claim 8, it is characterized in that: the termination of described left lead cross-arm is 33.4 meters to the distance of middle lead cross-arm central axis position, and the termination of described right lead cross-arm is 30.6 meters to the distance of middle lead cross-arm central axis position.

10. the angle tower that dangles according to claim 1, it is characterized in that: the lead cross-arm comprises left lead cross-arm, right lead cross-arm and middle lead cross-arm, described left lead cross-arm and right lead cross-arm lay respectively at middle lead cross-arm both sides, described in the central axis position of lead cross-arm to upper left air line distance of cranking arm greater than the central axis position of lead cross-arm in described to upper right air line distance of cranking arm.

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