CN205172126U - Multiloop transmission line steel pipe tower - Google Patents

Abstract

The utility model provides a multiloop transmission line steel pipe tower which characterized in that includes: steel pipe tower body, horizontal installation support and be used for fixing the cable staple bolt on the steel pipe tower body with the cable, the horizontal installation support has the multilayer and fix the upper portion at the steel pipe tower body, be fixed with the part of horizontal installation support on tower body upper portion, the spacing distance of fixing between the cable staple bolt on the tower body increases from bottom to top gradually. Multiloop transmission line steel pipe tower has reasonable, easy to assemble and maintenance of structural configuration and advantage such as higher stability and security.

Description

Multiple loop transmission line steel tube tower

Technical field

The utility model relates to electrical equipment technical field, is specifically related to a kind of multiple loop transmission line steel tube tower.

Background technology

Along with the development of society, the application of electricity is also increasing fast, the great test that this makes the device in existing power system, equipment is subject to.The conveying being carried out electric power by a large amount of power circuits is needed in power system, due to the increase of power usage, the load of existing transmission line of electricity is made to become large, if do not carried out corresponding upgrading to power circuit, then possibly the normal operation of transmission line of electricity is impacted, conveying even in shop is interrupted, and has a strong impact on the stability of electric power conveying.

Meanwhile, along with the application of steel tube tower, a tower sets up more multiloop more and more general.Adopt during multiloop and need on tower body, arrange more cable anchor ear so that fixing more cable.In addition, adopt during multiloop and also need more vacuum switch and isolating switch.Therefore, on tower body, how arrange and install that all kinds of devices that quantity day by day increases are installed and maintenance to facilitate, reduce complexity that multiple equipment brings to increase stability and safety is called current problem demanding prompt solution.

Utility model content

For solving problems of the prior art, the utility model provides a kind of multiple loop transmission line steel tube tower, and it has topology layout and rationally, conveniently installs and overhaul and the advantage such as higher stability and safety.

The technical solution of the utility model is:

1, a multiple loop transmission line steel tube tower, is characterized in that, comprising: steel pipe tower body, horizontal mounting bracket and for cable being fixed on the cable anchor ear on steel pipe tower body; Described horizontal mounting bracket has multilayer and is fixed on the top of steel pipe tower body; Be fixed with the part of horizontal mounting bracket on tower body top, the spacing distance be fixed between the cable anchor ear on tower body increases from bottom to top gradually.

2, according to the multiple loop transmission line steel tube tower of technical scheme 1, it is characterized in that, for arbitrary three adjacent horizontal mounting brackets, the ratio of the average distance of the average distance of the cable anchor ear between upper horizontal mounting bracket and middle horizontal mounting bracket and the cable anchor ear between middle horizontal mounting bracket and lower horizontal mounting bracket is 1.05-2 or 1.1-2, preferred 1.2-1.8, more preferably 1.3-1.5.

3, according to the multiple loop transmission line steel tube tower of technical scheme 2, it is characterized in that, along with the increase of horizontal mounting bracket number, described ratio increases from bottom to top gradually.

4, according to the multiple loop transmission line steel tube tower of technical scheme 3, it is characterized in that, the mode that described ratio defines with following formula from bottom to top increases gradually:

$R_n=\frac{D_{n,n+1}}{D_{n-1,n}}$

$R_{n+1}=\frac{D_{n+1,n+2}}{D_{n,n+1}}$

R _n+1＝R _n×(1+n×f)

Wherein, R _nfor the average distance D of the cable anchor ear between the horizontal mounting bracket of n-th layer and (n+1)th layer of horizontal mounting bracket _{n, n+1}and the average distance D of the cable anchor ear between the horizontal mounting bracket of n-th layer and (n-1)th layer of horizontal mounting bracket _{n-1, n}ratio; R _n+1be the average distance D of the cable anchor ear between (n+1)th layer of horizontal mounting bracket and the n-th+2 layers horizontal mounting bracket _{n+1, n+2}and the average distance D of the cable anchor ear between (n+1)th layer of horizontal mounting bracket and the horizontal mounting bracket of n-th layer _{n, n+1}ratio; N is the natural number between 1-10; F be spacing distance increase coefficient, scope between 0.1-0.5, such as, between 0.1-0.4, between 0.2-0.3; As n=1, D _0,1represent the average distance of the cable anchor ear of below the 1st layer of horizontal mounting bracket.

5, the multiple loop transmission line steel tube tower any one of technical scheme 1-4, is characterized in that, described horizontal mounting bracket comprises vacuum switch and the arrester on edge provided thereon and is located at the isolating switch that it descends edge.

Described multiple loop transmission line steel tube tower of the present utility model has topology layout and rationally, conveniently installs and overhaul and the advantage such as higher stability and safety.Be particularly suitable for multiloop 10kV steel tube tower in electric transmission line.

Accompanying drawing explanation

Fig. 1 is the johning knot composition of the utility model multiloop 10kV steel tube tower in electric transmission line.

Fig. 2 is the horizontal mounting support structure figure of the utility model multiloop 10kV steel tube tower in electric transmission line.

Fig. 3 is the horizontal mounting bracket top view of the utility model multiloop 10kV steel tube tower in electric transmission line.

Detailed description of the invention

For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Fig. 1 is the johning knot composition of the utility model multiloop 10kV steel tube tower in electric transmission line; Fig. 2 is the horizontal mounting support structure figure of the utility model multiloop 10kV steel tube tower in electric transmission line; Fig. 3 is the horizontal mounting bracket top view of the utility model multiloop 10kV steel tube tower in electric transmission line.

As Figure 1-3, in figure, each Reference numeral is, 1 is multiloop 10kV steel tube tower in electric transmission line body, and 2 is horizontal mounting bracket, 3 is vacuum switch, and 4 is arrester, and 5 is cable anchor ear, 23 is vacuum switch installing rack, and 24 is arrester installing rack, and 25 is isolating switch installing rack.

Multiloop 10kV steel tube tower in electric transmission line shown in Fig. 1, comprising: steel pipe tower body 1, horizontal mounting bracket 2 and for cable being fixed on the cable anchor ear 5 on steel pipe tower body; Described horizontal mounting bracket 2 has multilayer and is fixed on the top of steel pipe tower body 1; Be fixed with the part of horizontal mounting bracket 2 on tower body 1 top, the spacing distance be fixed between the cable anchor ear 5 on tower body increases from bottom to top gradually.

In some cases, for arbitrary three adjacent horizontal mounting brackets 2, the ratio of the average distance of the average distance of the cable anchor ear between upper horizontal mounting bracket and middle horizontal mounting bracket and the cable anchor ear between middle horizontal mounting bracket and lower horizontal mounting bracket is 1.1-2, preferred 1.2-1.8, more preferably 1.3-1.5.Further, along with the increase of horizontal mounting bracket number, described ratio increases from bottom to top gradually.Specifically, the mode that described ratio defines with following formula from bottom to top increases gradually:

$R_n=\frac{D_{n,n+1}}{D_{n-1,n}}$

$R_{n+1}=\frac{D_{n+1,n+2}}{D_{n,n+1}}$

R _n+1＝R _n×(1+n×f)

Wherein, R _nfor the average distance D of the cable anchor ear between the horizontal mounting bracket of n-th layer and (n+1)th layer of horizontal mounting bracket _{n, n+1}and the average distance D of the cable anchor ear between the horizontal mounting bracket of n-th layer and (n-1)th layer of horizontal mounting bracket _{n-1, n}ratio; R _n+1be the average distance D of the cable anchor ear between (n+1)th layer of horizontal mounting bracket and the n-th+2 layers horizontal mounting bracket _{n+1, n+2}and the average distance D of the cable anchor ear between (n+1)th layer of horizontal mounting bracket and the horizontal mounting bracket of n-th layer _{n, n+1}ratio; N is the natural number between 1-10; F be spacing distance increase coefficient, scope between 0.1-0.5, such as, between 0.1-0.4, between 0.2-0.3; As n=1, D _0,1represent the average distance of the cable anchor ear of below the 1st layer of horizontal mounting bracket.

In these some embodiments, 10kV steel tube tower in electric transmission line 1 is highly 18m.Horizontal mounting bracket 2 is highly 5.1m, and horizontal mounting bracket 2 has five-layer structure, and the design parameter of this five-layer structure is as follows: the distance that first floor structure both sides stretch out 10kV steel tube tower in electric transmission line 1 is respectively 1.1m; The distance that second layer structure both sides stretch out 10kV steel tube tower in electric transmission line 1 is respectively 1.9m, and second layer structure and first floor structure pitch are 1.2m; The distance that third layer structure both sides stretch out 10kV steel tube tower in electric transmission line 1 is respectively 1.8m, and third layer structure and second layer structure pitch are 1.2m; The distance that four-layer structure both sides stretch out 10kV steel tube tower in electric transmission line 1 is respectively 1.9m, and four-layer structure and third layer structure pitch are 1.2m; The distance that layer 5 structure both sides stretch out 10kV steel tube tower in electric transmission line 1 is respectively 1.45m, and layer 5 structure and four-layer structure spacing are 1.5m.The average distance of the cable anchor ear of layer 5 structure some parts is 1.0m; The average distance of the cable anchor ear of layer 5 structure and four-layer structure support is 1.1m; The average distance of the cable anchor ear of four-layer structure and third layer structure stand is 1.3m; The average distance of the cable anchor ear of third layer structure and second layer structure stand is 1.6m; The average distance of the cable anchor ear of second layer structure and first floor structure stand is 2.0m.

As shown in Figures 2 and 3, being provided with the vacuum switch installing rack 23 for installing vacuum switch 3 and support for installation of lighning arrestor 24 on the upper edge of described horizontal mounting bracket 2, being provided with the isolating switch installing rack 25 for installing isolating switch on the lower edge of described horizontal mounting bracket 2.Therefore, vacuum switch 3 and arrester 4 can be arranged on the upper edge of support 2, and isolating switch is arranged on the lower edge of support 2, adds the spacing between each equipment, avoids the interference between each equipment.

Therefore, described multiple loop transmission line steel tube tower of the present utility model has reasonable, the convenient installation of topology layout and overhauls and the advantage such as higher stability and safety.

The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make and suitably improving and distortion, these improve and distortion also should be considered as protection domain of the present utility model.

Claims (2)

1. a multiple loop transmission line steel tube tower, is characterized in that, comprising: steel pipe tower body, horizontal mounting bracket and for cable being fixed on the cable anchor ear on steel pipe tower body; Described horizontal mounting bracket has multilayer and is fixed on the top of steel pipe tower body; Be fixed with the part of horizontal mounting bracket on tower body top, the spacing distance be fixed between the cable anchor ear on tower body increases from bottom to top gradually;

Wherein, for arbitrary three adjacent horizontal mounting brackets, the ratio of the average distance of the average distance of the cable anchor ear between upper horizontal mounting bracket and middle horizontal mounting bracket and the cable anchor ear between middle horizontal mounting bracket and lower horizontal mounting bracket is 1.05-2; And the mode that described ratio defines with following formula from bottom to top increases gradually:

R _n+1＝R _n×(1+n×f)

Wherein, R _nfor the average distance D of the cable anchor ear between the horizontal mounting bracket of n-th layer and (n+1)th layer of horizontal mounting bracket _{n, n+1}and the average distance D of the cable anchor ear between the horizontal mounting bracket of n-th layer and (n-1)th layer of horizontal mounting bracket _{n-1, n}ratio; R _n+1be the average distance D of the cable anchor ear between (n+1)th layer of horizontal mounting bracket and the n-th+2 layers horizontal mounting bracket _{n+1, n+2}and the average distance D of the cable anchor ear between (n+1)th layer of horizontal mounting bracket and the horizontal mounting bracket of n-th layer _{n, n+1}ratio; N is the natural number between 1-10; F is that spacing distance increases coefficient, and scope is between 0.1-0.5; As n=1, D _0,1represent the average distance of the cable anchor ear of below the 1st layer of horizontal mounting bracket.

2. described multiple loop transmission line steel tube tower according to claim 1, is characterized in that, described horizontal mounting bracket comprises vacuum switch and the arrester on edge provided thereon and is located at the isolating switch that it descends edge.