CN206016392U - A kind of double loop bilateral cut-offs electric power line pole tower - Google Patents

Abstract

The utility model is related to a kind of double loop bilateral and cut-offs electric power line pole tower, solves that two base double loop anchor support floor spaces are big, the defect that construction cost is high compared with prior art.Lower phase conductor cross-arm of the present utility model includes Xia Xiang lower floors cross-arm and lower phase upper strata cross-arm, lower phase upper strata cross-arm is located above Xia Xiang lower floors cross-arm and both look up angle in vertical state based on tower body, described middle phase conductor cross-arm includes Zhong Xiang lower floors cross-arm and middle phase upper strata cross-arm, middle phase upper strata cross-arm is located above Zhong Xiang lower floors cross-arm, described upper phase conductor cross-arm includes Shang Xiang lower floors cross-arm and upper phase upper strata cross-arm, upper phase upper strata cross-arm is located above Shang Xiang lower floors cross-arm, described Xia Xiang lower floors cross-arm, Zhong Xiang lower floors cross-arm and Shang Xiang lower floors cross-arm three parallel and in east-west direction arrange, described lower phase upper strata cross-arm, middle phase upper strata cross-arm and upper phase upper strata cross-arm three parallel and in North and South direction arrange.The utility model reduces floor space, reduces comprehensive cost.

Description

A kind of double loop bilateral cut-offs electric power line pole tower

Technical field

The utility model is related to transmission tower technical field, and specifically a kind of double loop bilateral cut-offs transmission line of electricity bar Tower.

Background technology

In prior art, when needing to cut-off double loop ultra-high-tension power transmission line bilateral, as shown in figure 1, adopt Scheme is newly-built two bases double loop anchor support under former circuit.This cut-offs scheme and there is following defect：

（1）Cut-offfing scheme needs newly-built two bases double loop strain rod tower, increased steel and basic cost, and economy is poor；

（2）Vertical column area is expanded, and the strict region for limiting of planning is subject in downtown roads, is then existed and can not open up loudspeaker The situation of mouth scheme of architecture.

In power transmission line corridor growing tension, under the higher and higher background of planning requirement, a kind of occupation of land face how is developed The little tower structure of product has become the technical scheme for being badly in need of solving.

Utility model content

The purpose of this utility model is to solve in prior art that two base double loop anchor support floor spaces are big, build into This high defect, there is provided a kind of double loop bilateral cut-offs electric power line pole tower to solve the above problems.

To achieve these goals, the technical solution of the utility model is as follows：

A kind of double loop bilateral cut-offs electric power line pole tower, including tower body, is sequentially installed with lower phase on tower body from bottom to up Wire cross-arm, middle phase conductor cross-arm and upper phase conductor cross-arm, described lower phase conductor cross-arm include Xia Xiang lower floors cross-arm and lower phase Upper strata cross-arm, lower phase upper strata cross-arm is located above Xia Xiang lower floors cross-arm and both look up angle in vertical state based on tower body, Described middle phase conductor cross-arm includes that Zhong Xiang lower floors cross-arm and middle phase upper strata cross-arm, middle phase upper strata cross-arm are located at Zhong Xiang lower floors cross-arm Top, described upper phase conductor cross-arm include that Shang Xiang lower floors cross-arm and upper phase upper strata cross-arm, upper phase upper strata cross-arm are located under upper phase Above layer cross-arm, described Xia Xiang lower floors cross-arm, Zhong Xiang lower floors cross-arm and Shang Xiang lower floors cross-arm three are parallel and between east and west To arrangement, described lower phase upper strata cross-arm, middle phase upper strata cross-arm and upper phase upper strata cross-arm three are parallel and be in North and South direction cloth Put.

Also include that the ground wire cross-arm at the top of tower body, ground wire cross-arm include that lower floor's ground wire cross-arm and upper strata ground wire are horizontal Load, upper strata ground wire cross-arm are located at the top of lower floor's ground wire cross-arm, and lower floor's ground wire cross-arm is parallel with upper phase upper strata cross-arm, upper strata ground Line cross-arm is parallel with Shang Xiang lower floors cross-arms.

Beneficial effect

A kind of double loop bilateral of the present utility model cut-offs electric power line pole tower, reduces a base compared with prior art double Loop strain insulator Deethanizer design, reduces floor space, reduces comprehensive cost, is particularly suitable for opening up vertical two bases pair of horn mouth The limited landform area of loop anchor support uses.The utility model by the way of orthogonal double-deck cross-arm design tower body, Under conditions of shaft tower stress and electric clearance is met, double back target line need to only be found a Ji Ta and cut-off.Have simple structure, into The characteristics of this is cheap.

Description of the drawings

Fig. 1 is the vertical view wire arrangements figure of two base double loop anchor supports in prior art；

Fig. 2 is structural representation of the present utility model；

Fig. 3 is structural representation of the utility model under hanging wire state；

Fig. 4 is upper vertical view wire arrangements figure of the phase conductor cross-arm under hanging wire state in the utility model；

Fig. 5 is vertical view ground wire layout drawing of the ground wire cross-arm under hanging wire state in the utility model；

Wherein, under 1- tower bodies, 2-, in phase conductor cross-arm, 3-, the upper phase conductor cross-arm of phase conductor cross-arm, 4-, 5- Xia Xiang lower floors are horizontal Under load, 6-, in phase upper strata cross-arm, 7- Zhong Xiang lower floors cross-arm, 8-, the upper phase upper strata of phase upper strata cross-arm, 9- Shang Xiang lower floors cross-arm, 10- is horizontal Load, 11- ground wire cross-arms, 12- lower floors ground wire cross-arm, 13- upper stratas ground wire cross-arm, 14- east-west direction wires, 15- the South and the North guide Line, 16- wire tension-resistant strings, 17- wire jumpers, 18- North and South direction ground wires, 19- east-west direction ground wires, 20- ground wire strain insulator-strings A, 21- ground Line strain insulator-string B.

Specific embodiment

For making to have a better understanding and awareness architectural feature of the present utility model and the effect that is reached, in order to compared with Good embodiment and accompanying drawing coordinate detailed description, are described as follows：

As shown in Figures 2 and 3, a kind of double loop bilateral described in the utility model cut-offs electric power line pole tower, including tower Body 1, is sequentially installed with lower phase conductor cross-arm 2, middle phase conductor cross-arm 3 and upper phase conductor cross-arm 4, lower phase from bottom to up on tower body 1 Wire cross-arm 2, middle phase conductor cross-arm 3 and upper phase conductor cross-arm 4 be respectively used to down, in, the installation of upper three-phase conducting wire, between three The equidistant parameter of spacing calculated by art methods according to actual track electric pressure, meteorological condition etc..Lower mutually lead Line cross-arm 2 includes that Xia Xiang lower floors cross-arm 5 and lower phase upper strata cross-arm 6, Xia Xiang lower floors cross-arm 5 are used for the installation of east-west direction wire, Lower phase upper strata cross-arm 6 is used for the installation of North and South direction wire.Lower phase upper strata cross-arm 6 is located above Xia Xiang lower floors cross-arm 5 and both Angle looked up in vertical state based on tower body 1, that is, descends phase upper strata cross-arm 6 to combine in varying cross-section with Xia Xiang lower floors cross-arm 5 Perpendicular relation.In the same manner, middle phase conductor cross-arm 3 includes Zhong Xiang lower floors cross-arm 7 and middle phase upper strata cross-arm 8, middle phase upper strata cross-arm 8 Above Zhong Xiang lower floors cross-arm 7, middle phase upper strata cross-arm 8 is used for the installation of North and South direction wire, and Zhong Xiang lower floors cross-arm 7 is used for thing The installation of direction wire.Upper phase conductor cross-arm 4 includes Shang Xiang lower floors cross-arm 9 and upper phase upper strata cross-arm 10, upper phase upper strata cross-arm 10 It is located above Shang Xiang lower floors cross-arm 9, as shown in Figures 2 and 3, upper phase upper strata cross-arm 10 is used for the installation of North and South direction wire 15, Shang Xiang lower floors cross-arm 9 is used for the installation of east-west direction wire 14.

Xia Xiang lower floors cross-arm 5, Zhong Xiang lower floors cross-arm 7 and Shang Xiang lower floors cross-arm 9 are used to the installation of east-west direction wire, because This Xia Xiang lower floors cross-arm 5, Zhong Xiang lower floors cross-arm 7 and Shang Xiang lower floors 9 threes of cross-arm are parallel and arrange in east-west direction.In the same manner, Lower phase upper strata cross-arm 6, middle phase upper strata cross-arm 8 and upper phase upper strata cross-arm 10 are used to the installation of North and South direction wire, then descend in phase Layer cross-arm 6, middle phase upper strata cross-arm 8 and upper phase upper strata 10 threes of cross-arm are parallel and arrange in North and South direction.

Be directed to ground wire cut-offs design also based on this principle, at the top of tower body 1 installs ground wire cross-arm 11.Equally, ground wire Cross-arm 11 includes lower floor ground wire cross-arm 12 and upper strata ground wire cross-arm 13, and upper strata ground wire cross-arm 13 is located at the upper of lower floor ground wire cross-arm 12 Side.But different, lower floor's ground wire cross-arm 12 is parallel with upper phase upper strata cross-arm 10, under upper strata ground wire cross-arm 13 and upper phase Layer cross-arm 9 is parallel, and as shown in Figure 2 and Figure 5, North and South direction ground wire 18 is horizontal installed in upper strata ground wire by ground wire strain insulator-string A20 In load 13, by ground wire strain insulator-string B21 on lower floor ground wire cross-arm 12, such staggered floor design keeps away east-west direction ground wire 19 Exempt from when North and South direction ground wire 18 provides ground wire installation for North and South direction wire and east-west direction ground wire 19 has been east-west direction wire There is provided to produce when ground wire is installed and intersect and rub.If here ground wire can be according to whether be set by insulation for common ground wire Meter, is directly grounded or is insulated.If there is OPGW optical cables, it is contemplated that optical cable draws lower by terminal box welding or by other Effective means connects.

As a example by row conductor of the above phase conductor cross-arm 4 of here entering hangs, east and west to double circuit line, after cut-offfing, respectively To south and north to cabling.As shown in figure 4, upper phase upper strata cross-arm 10 installs North and South direction wire 15 by wire tension-resistant string 16, on Phase lower floor cross-arm 9 is same to install east-west direction wire 14, east-west direction wire 14 and North and South direction also by wire tension-resistant string 16 It is connected by wire jumper 17 between wire 15, forms west-north, Xi-south, east-north, Dong-southern four loop lines road, is realized in a base shaft tower The purpose that double loop is cut-off.

General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession The technical staff of industry it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply principle of the present utility model, on the premise of without departing from the utility model spirit and scope, the utility model also has respectively Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model is required Protection domain defined by appending claims and its equivalent.

Claims (2)

1. a kind of double loop bilateral cut-offs electric power line pole tower, including tower body（1）, it is characterised in that：Tower body（1）On from bottom to up It is sequentially installed with lower phase conductor cross-arm（2）, middle phase conductor cross-arm（3）With upper phase conductor cross-arm（4）, described lower phase conductor cross-arm （2）Including Xia Xiang lower floors cross-arm（5）With lower phase upper strata cross-arm（6）, lower phase upper strata cross-arm（6）It is located at Xia Xiang lower floors cross-arm（5）On Side and both be based on tower body（1）Look up angle in vertical state, described middle phase conductor cross-arm（3）Including Zhong Xiang lower floors cross-arm （7）With middle phase upper strata cross-arm（8）, middle phase upper strata cross-arm（8）It is located at Zhong Xiang lower floors cross-arm（7）Top, described upper phase conductor are horizontal Load（4）Including Shang Xiang lower floors cross-arm（9）With upper phase upper strata cross-arm（10）, upper phase upper strata cross-arm（10）It is located at Shang Xiang lower floors cross-arm （9）Top, described Xia Xiang lower floors cross-arm（5）, Zhong Xiang lower floors cross-arm（7）With Shang Xiang lower floors cross-arm（9）Three is parallel and is in East-west direction arrangement, described lower phase upper strata cross-arm（6）, middle phase upper strata cross-arm（8）With upper phase upper strata cross-arm（10）Three is equal Go and arrange in North and South direction.

2. a kind of double loop bilateral according to claim 1 cut-offs electric power line pole tower, it is characterised in that：Also include installing In tower body（1）The ground wire cross-arm at top（11）, ground wire cross-arm（11）Including lower floor's ground wire cross-arm（12）With upper strata ground wire cross-arm （13）, upper strata ground wire cross-arm（13）It is located at lower floor's ground wire cross-arm（12）Top, lower floor's ground wire cross-arm（12）Horizontal with upper phase upper strata Load（10）Parallel, upper strata ground wire cross-arm（13）With Shang Xiang lower floors cross-arm（9）Parallel.