CN109469399A

CN109469399A - A single-circuit tower that addresses both drilling and spanning needs

Info

Publication number: CN109469399A
Application number: CN201811534283.2A
Authority: CN
Inventors: 覃飞; 王超; 凌坤; 龚毅; 涂勇; 钱竣; 鲁旭东; 管顺
Original assignee: Guiyang Electric Power Design Institute Co Ltd
Current assignee: Guiyang Electric Power Design Institute Co Ltd
Priority date: 2018-12-14
Filing date: 2018-12-14
Publication date: 2019-03-15

Abstract

The invention discloses a single-circuit iron tower that simultaneously solves the requirements of drilling and crossing. The front side or the rear side is provided with an upper middle-phase suspension platform protruding outward, and a matching lower middle-phase suspension platform is arranged on the same side of the lower part of the tower body; Both ends are respectively provided with a second left phase wire suspension point and a second right phase wire suspension point, and a third left phase wire suspension point and a third right phase wire suspension point are respectively provided at both ends of the third layer cross arm. For the suspension points, the upper middle-phase suspension platform is provided with a second middle-phase suspension point, and the lower middle-phase suspension platform is provided with a third middle-phase suspension point; compared with the traditional wiring method, the iron tower of the present invention greatly saves The line path corridor is shortened, the construction period is shortened, and the project investment cost can be effectively reduced, and the utilization rate of land resources can be improved.

Description

Single loop steel tower that is a kind of while solving to bore more and cross over demand

Technical field

The present invention relates to a kind of single loop steel towers for solving to bore more and cross over demand simultaneously, belong to steel tower technical field.

Background technique

As national economy continues to develop, city size is expanded rapidly, and establishes the quantity of ultra-high-tension power transmission line also not Disconnected to increase, the external environmental factor that engineering construction is related to is increasingly complicated.It is narrow for some Special sections, especially channel limited The Special zone of system, transmission line of electricity needs while boring more high-grade voltage circuit and spanning the transmission line road, railway and high speed sometimes Highway etc., as depicted in figs. 1 and 2,21 be high-grade voltage circuit, and 22 be power circuit, railway and highway etc., tradition side There are two types of methods: a kind of as shown in Figure 1, first more high-grade voltage circuit 21 is bored using short tower 25, close to power circuit, railway and height Cable channel 23 is built when fast highway etc. 22 again and passes through power circuit, railway and highway etc. 22, finally passes through short tower again 25 draw transmission line of electricity upwards；Another kind bores more high-grade voltage circuit 21 as shown in Fig. 2, first building cable channel 23, High tower spanning the transmission line road, railway and highway etc. 22 is used again when close to power circuit, railway and highway etc. 22, most Transmission line of electricity is drawn downwards by short tower 25 again afterwards.There is the problems such as taking up a large area, building cost is high in both the above method.

Summary of the invention

The technical problem to be solved by the present invention is single loop steel tower that is a kind of while solving to bore more and cross over demand is provided, With solve the problems, such as it is of the existing technology take up a large area, building cost it is high.

The technical scheme is that a kind of single loop steel tower for solving to bore simultaneously more and cross over demand, including tower body,

The tower body is respectively equipped with ground wire cross-arm, second layer cross-arm and third layer cross-arm from top to bottom, before the tower body top Side or rear side, which are provided in the top outwardly protruded, mutually hangs platform, matched to outwardly protrude in ipsilateral be provided in tower body lower part Lower part in mutually hang platform；

The second left side phase conductor hitch point and the suspension of second the right phase conductor are respectively arranged at the both ends of the second layer cross-arm Point, the matched both ends in the third layer cross-arm are respectively arranged with phase conductor on the right of third left side phase conductor hitch point and third Hitch point mutually hangs in top and is provided with phase conductor hitch point in second on platform, mutually hangs in lower part and is provided on platform Phase conductor hitch point in three.

It is provided with the second left side phase conductor inlet wire hitch point on the second layer cross-arm, is set on the third layer cross-arm It is equipped with third left side phase conductor inlet wire hitch point, second left side phase conductor inlet wire hitch point and third left side phase conductor inlet wire Hitch point is separately positioned on tower body front and rear sides, and upper phase conductor imports tower body from the third left side phase conductor inlet wire hitch point Afterwards, second left side phase conductor hitch point is imported upwards through the third left side phase conductor hitch point, and from the second left side phase Conducting wire inlet wire hitch point exports outward.

It is provided with second the right phase conductor inlet wire hitch point on the second layer cross-arm, is set on the third layer cross-arm It is equipped with phase conductor inlet wire hitch point on the right of third, phase conductor inlet wire on the right of second the right phase conductor inlet wire hitch point and third Hitch point is separately positioned on tower body front and rear sides, and lower phase conductor imports tower body from phase conductor inlet wire hitch point on the right of the third Afterwards, second the right phase conductor hitch point is imported upwards through phase conductor hitch point on the right of the third, and from second the right phase Conducting wire inlet wire hitch point exports outward.

It is mutually hung in top and is provided with phase conductor inlet wire hitch point in second on platform, mutually hung on platform and be arranged in lower part There is phase conductor inlet wire hitch point in third, middle phase conductor is after phase conductor inlet wire hitch point importing tower body in the third, through institute It states phase conductor hitch point in third and imports phase conductor hitch point in described second, and the phase conductor inlet wire hitch point from second upwards Export outward.

The beneficial effects of the present invention are: tower type design of the present invention by using low in and high out, compared to creating more base iron Tower, which is worn, not only reduces occupied area across scheme and scheme of putting cable underground, and the more base steel tower schemes of about 30%(are saved in gross investment), 60%(cable version).The present invention is newly-built compared to more base steel towers and builds cable channel, not only easy for construction and operation dimension It protects more easy；Steel tower of the present invention is greatly saved line route corridor, has shortened the construction period, but also can effectively drop Low construction investment cost, greatly improves the utilization rate of land resource, while improving line security.

Detailed description of the invention

Fig. 1 is the schematic diagram of one of traditional cabling mode；

Fig. 2 is the schematic diagram of another traditional cabling mode；

Fig. 3 is the schematic diagram of single loop steel tower cabling mode of the present invention；

Fig. 4 is the main view of single loop steel tower of the present invention；

Fig. 5 is the side view of single loop steel tower of the present invention；

Fig. 6 is the plan view that platform is mutually hung in top；

Fig. 7 is the plan view of second layer cross-arm；

Fig. 8 is the plan view that platform is mutually hung in lower part；

Fig. 9 is the plan view of third layer cross-arm；

In figure: 1 tower body, 2 ground wire cross-arms, 3 second layer cross-arms, 4 third layer cross-arms, 5 third left side phase conductor hitch points, 6 thirds The right phase conductor hitch point, phase conductor hitch point in 7 thirds, 8 conducting wires, 9 second left side phase conductor hitch points, 10 second the right phases Conducting wire hitch point, phase conductor hitch point in 11 second mutually hang platform in 12 lower parts, platform, 14 second left sides are mutually hung in 13 tops Phase conductor inlet wire hitch point, 15 second the right phase conductor inlet wire hitch points, phase conductor inlet wire hitch point in 16 second, 17 wire jumpers are hung Point, phase conductor inlet wire hitch point in 18 thirds, 19 third left side phase conductor inlet wire hitch points, phase conductor inlet wire is outstanding on the right of 20 thirds Hanging point, 21 high-grade voltage circuits, 22 power circuits, railway and highway etc., 23 cable channels, 24 high towers, 25 short towers, 26 tower body ground wire hitch points.

Specific embodiment

With reference to the accompanying drawing and invention is described further in specific embodiment:

Such as Fig. 4 to Fig. 9, according to the present invention a kind of single loop steel tower for solving to bore simultaneously more and cross over demand, including tower body 1, tower Body 1 is respectively equipped with ground wire cross-arm 2, second layer cross-arm 3 and third layer cross-arm 4 from top to bottom, sets in 1 upper front of tower body or rear side It is equipped in the top outwardly protruded and mutually hangs platform 13, it is matched to be provided with phase in the lower part outwardly protruded 1 lower part of tower body is ipsilateral Hang platform 12.Preferably, platform 13 is mutually hung in top to be arranged between ground wire cross-arm 2 and second layer cross-arm 3, and is mutually hanged in lower part Hanging platform 12 is arranged between second layer cross-arm 3 and third layer cross-arm 4.Tower body ground wire hitch point 26, ground wire are provided on tower body 1 Hang on lower part tower body, superstructure ground wire hangs on ground wire cross-arm 2, if OPGW optical fiber composite overhead ground wire, then OPGW with Tower body arranges that drop wire clip to ground wire cross-arm 2 is drawn.

The second left side phase conductor hitch point 9 is respectively arranged at the both ends of second layer cross-arm 3 and second the right phase conductor is outstanding Hanging point 10, the matched both ends in third layer cross-arm 4 are respectively arranged with third left side phase conductor hitch point 5 and mutually lead on the right of third Line hitch point 6, wherein the second left side phase conductor hitch point 9 and third left side phase conductor hitch point 5 are located at the same side, and second is right Phase conductor hitch point 6 is located at the same side on the right of side phase conductor hitch point 10 and third.

Preferably, the second left side phase conductor inlet wire hitch point 14 is provided on second layer cross-arm 3, in third layer cross-arm 4 On be provided with third left side phase conductor inlet wire hitch point 19, the second left side phase conductor inlet wire hitch point 14 and third left side phase conductor Inlet wire hitch point 19 is separately positioned on 1 front and rear sides of tower body, and conducting wire 8 is oriented to the other side from 1 side of tower body.Upper phase conductor from After third left side phase conductor inlet wire hitch point 19 imports tower body 1, second left side is imported upwards through third left side phase conductor hitch point 5 Phase conductor hitch point 9, and exported outward from the second left side phase conductor inlet wire hitch point 14.

Preferably, second the right phase conductor inlet wire hitch point 15 is provided on second layer cross-arm 3, in third layer cross-arm 4 On be provided with phase conductor inlet wire hitch point 20 on the right of third, phase conductor on the right of second the right phase conductor inlet wire hitch point 15 and third Inlet wire hitch point 20 is separately positioned on 1 front and rear sides of tower body, and conducting wire 8 is oriented to the other side from 1 side of tower body.Lower phase conductor from After phase conductor inlet wire hitch point 20 imports tower body on the right of third, second the right is imported upwards through phase conductor hitch point 6 on the right of third Phase conductor hitch point 10, and exported outward from second the right phase conductor inlet wire hitch point 15.

It is mutually hung in top and is provided with phase hitch point in second on platform 13, mutually hung in lower part and be provided on platform 12 Phase hitch point in three.Preferably, it is mutually hung in top and is provided with phase conductor inlet wire hitch point 16 in second on platform 13, in lower part Phase conductor inlet wire hitch point 18 in third, middle phase conductor phase conductor inlet wire hitch point from third are provided on middle phase suspension platform 12 After 18 import tower body, phase conductor hitch point 11 in second is imported upwards through phase conductor hitch point 7 in third, and mutually lead from second Line inlet wire hitch point 16 exports outward, i.e., imports conducting wire from tower body side, export from another opposite side.

Preferably, phase in platform 13 and lower part is mutually hung in second layer cross-arm 3, third layer cross-arm 4, top as needed It hangs and wire jumper hanging point 17 is set on platform 12, contacted to avoid conducting wire with steel tower.

As shown in figure 3, boring more high-grade voltage circuit 21 and spanning the transmission line road, railway and highway etc. 22 at the same time When, more high-grade voltage circuit 21 is first bored using short tower 25, is sent out again with this when close to power circuit, railway and highway etc. 22 Bright single loop steel tower upwardly extends conducting wire, meets spanning the transmission line road, railway and highway etc. 22 after requirement for height, right Conducting wire is extended downwardly export with single loop steel tower of the present invention again by side.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

Claims

1. a single-circuit iron tower for simultaneously solving drilling and crossing requirements, comprising tower body (1), characterized in that:

The tower body (1) is respectively provided with a ground wire cross arm (2), a second layer cross arm (3) and a third layer cross arm (4) from top to bottom, in front of the upper part of the tower body (1) A side or rear side is provided with an outwardly protruding upper middle-phase suspension platform (13), and a supporting lower middle-phase suspension platform (12) is provided on the same side of the lower part of the tower body (1);

A second left phase wire suspension point (9) and a second right phase wire suspension point (10) are respectively provided at both ends of the second-layer cross-arm (3), which are matched on the third-layer cross-arm ( 4) Both ends are respectively provided with a third left phase wire suspension point (5) and a third right phase wire suspension point (6), and a second middle phase wire suspension point ( 11), a third intermediate phase conductor suspension point (7) is arranged on the lower intermediate phase suspension platform (12).

2. The single-circuit iron tower that simultaneously solves drilling and spanning requirements according to claim 1, characterized in that: a second left-hand phase wire incoming line suspension point (14) is provided on the second-layer cross arm (3) , on the third-layer cross arm (4) is provided with a third left phase wire inlet suspension point (19), the second left phase wire inlet suspension point (14) and the third left phase wire inlet wire The suspension points (19) are respectively arranged on the front and rear sides of the tower body (1). The wire suspension point (5) leads upwards into the second left phase wire suspension point (9), and leads out from the second left phase wire entry wire suspension point (14).

3. The single-circuit iron tower that simultaneously solves drilling and spanning requirements according to claim 1, characterized in that: a second right-hand phase conductor incoming line suspension point (15) is provided on the second-layer cross arm (3) , on the third-layer cross arm (4) is provided with a third right phase wire entry wire suspension point (20), the second right phase wire entry wire suspension point (15) and the third right phase wire incoming wire The suspension points (20) are respectively arranged on the front and rear sides of the tower body (1). The wire suspension point (6) leads upwards into the second right phase wire suspension point (10), and leads out from the second right phase wire entry wire suspension point (15).

4. The single-circuit iron tower that simultaneously solves drilling and spanning requirements according to claim 1, is characterized in that: the upper middle-phase suspension platform (13) is provided with the second middle-phase wire incoming wire suspension point (16), The lower middle-phase suspension platform (12) is provided with a third middle-phase wire inlet suspension point (18), and after the middle-phase wire is introduced into the tower body (1) from the third middle-phase wire inlet suspension point (18), The second middle-phase wire suspension point (11) is led upward through the third middle-phase wire suspension point (7), and is led out from the second middle-phase wire incoming wire suspension point (16).