CN205637797U - 110kv overhead line commutation steel pipe pole - Google Patents

Abstract

The utility model discloses a 110kv overhead line commutation steel pipe pole belongs to the high -tension power transmission field. It includes along the mobile jib of vertical direction setting, by having set gradually two side ground wire cross arms, first cross arm, second cross arm, third cross arm, fourth cross arm and the 5th cross arms under pushing up extremely on the mobile jib, two side ground wire cross arms, first cross arm, second cross arm, third cross arm, fourth cross arm be parallel to each other and first cross arm and second cross arm point -blank, third cross arm and fourth cross arm point -blank, the 5th cross arm one end sets up on the mobile jib and the 5th cross arm perpendicular to fourth cross arm and mobile jib place plane. The utility model relates to a rationally, simple structure, low in manufacturing cost is honest and clean and use construction cycle short, and it is little to occupy land area, effectively improves the steel pipe pole in the utilization ratio in the compact area of land plan, and the practicality is strong.

Description

A kind of 110kv overhead transmission line commutation steel pipe pole

Technical field

This utility model relates to high-tension power transmission and transformation equipment field, especially a kind of 110kv overhead transmission line commutation steel Tube rod.

Background technology

In power grid construction, the outlet phase sequence of major part transformer station uses positive phase sequence arrangement, i.e. stands in transformer station Outer in the face of transformer station's power transmission outfan, three-phase electricity is from left to right followed successively by A phase, B phase, C phase.In order to subtract When little power system is properly functioning, electric current and voltage is asymmetric, and limits the power transmission sequence shadow to communication line Ring, part electric wire need to be replaced.Generally carry out wiring by the pylon of tower structure covert, but tower The construction engineering cost cost of frame is high, long construction period, and takies a large amount of soil.It is unfavorable for the utilization in soil, Especially in urban development, requiring more and more higher to land utilization ratio, the planning in soil is compact, uncomfortable Closing the construction of pylon, it is impossible to meet actual need, existing pylon uses and is restricted.

Utility model content

The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of 110kv aerial line Road commutation steel pipe pole.This utility model is reasonable in design, simple in construction, cheap for manufacturing cost and use and execute The work cycle is short, and land occupation area is little, is effectively improved the steel pipe pole utilization rate in the compact area of the reallocation of land, Practical.

For achieving the above object, this utility model uses following technical proposals: a kind of 110kv overhead transmission line changes Phase steel pipe pole, it includes the mobile jib vertically arranged, on described mobile jib by top under be disposed with double Side ground wire cross-arm, the first cross-arm, the second cross-arm, the 3rd cross-arm, the 4th cross-arm and the 5th cross-arm, described double Side ground wire cross-arm, the first cross-arm, the second cross-arm, the 3rd cross-arm, the 4th cross-arm are parallel to each other and the first cross-arm With the second cross-arm point-blank, the 3rd cross-arm and the 4th cross-arm point-blank, described 5th cross-arm One end is arranged on mobile jib and the 5th cross-arm is perpendicular to the 4th cross-arm and mobile jib place plane.

Preferably, described first cross-arm, the second cross-arm, the 3rd cross-arm, the 4th cross-arm and the 5th cross-arm all wrap Including cantilever, described cantilever includes upper branch arm and lower branch arm, is welded with reinforcement between described upper branch arm and lower branch arm Floor, described cantilever is welded on baffle plate near mobile jib one end, and described baffle plate is welded with the master offering screwed hole Bar connecting plate, described upper branch arm and lower branch arm are that steel pipe is made.

Preferably, described mobile jib being provided with and carries out, with cantilever, the connection ring that assembles, described connection ring includes ring Plate, described ring flat-plate internal ring wall is provided with positioning convex, described positioning convex and the groove phase being arranged on mobile jib Adapt to, described ring flat-plate external annulus is provided with paired rebound, described rebound offers with in cantilever The screwed hole that mobile jib connecting plate is suitable.

Preferably, a length of 4 meters of described bilateral ground wire cross-arm, the first cross-arm, the second cross-arm place straight line with 3rd cross-arm, the spacing of the 4th cross-arm place straight line are 4 meters.

The beneficial effects of the utility model are:

This utility model is reasonable in design, simple in construction, cheap for manufacturing cost and use short construction period, Land occupation area is little, is effectively improved the steel pipe pole utilization rate in the compact area of the reallocation of land, practical.

Accompanying drawing explanation

Fig. 1 is this utility model overall structure schematic diagram；

Fig. 2 is cantilever design schematic diagram；

Fig. 3 is the plan structure schematic diagram of Fig. 2；

Fig. 4 is connection ring structure schematic diagram；

Fig. 5 is that this utility model uses view.

Detailed description of the invention

Needing exist for explanation, the described noun of locality is left and right, upper and lower is all to be with the view shown in Fig. 1 Benchmark definition, it will be appreciated that the use of the described noun of locality should not limit the protection domain that the application is asked.

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.

As it is shown in figure 1, a kind of 110kv overhead transmission line commutation steel pipe pole, it includes vertically arranging Mobile jib 5, on described mobile jib 5 by top under be disposed with bilateral ground wire cross-arm the 2, first cross-arm 11, second Cross-arm the 12, the 3rd cross-arm the 13, the 4th cross-arm 14 and the 5th cross-arm 15, described bilateral ground wire cross-arm 2, One cross-arm the 11, second cross-arm the 12, the 3rd cross-arm the 13, the 4th cross-arm 14 be parallel to each other and the first cross-arm 11 with Second cross-arm 12 point-blank, the 3rd cross-arm 13 and the 4th cross-arm 14 point-blank, described Five cross-arm 15 one end are arranged on mobile jib 5 and the 5th cross-arm 15 is perpendicular to the 4th cross-arm 14 and mobile jib 5 place Plane.

As shown in Figures 2 and 3, on the basis of technique scheme, described first cross-arm the 11, second cross-arm 12, the 3rd cross-arm the 13, the 4th cross-arm 14 and the 5th cross-arm 15 all include that cantilever 6, described cantilever 6 include Upper branch arm 6-1 and lower branch arm 6-2, is welded with deep floor 6-3 between described upper branch arm 6-1 and lower branch arm 6-2, Described cantilever 6 is welded on baffle plate 6-4 near mobile jib 5 one end, and described baffle plate 6-4 is welded with and offers screwed hole Mobile jib connecting plate 6-5, described upper branch arm 6-1 and lower branch arm 6-2 be that steel pipe is made.It is arranged such, outstanding Configuring hanging wire insulator on arm 6 as required, compare pylon structure, the cantilever 6 of steel pipe type is not easy to bird Nesting on steel pipe pole, upper branch arm 6-1 and lower branch arm 6-2 is welded together by deep floor 6-3, strengthens The stability of structure, meets hanging wire force request, meets actual operation requirements.

As shown in Figure 4, on the basis of technique scheme, described mobile jib 5 is provided with and carries out with cantilever 6 The connection ring of assembling, described connection ring includes that ring flat-plate 7-1, described ring flat-plate 7-1 internal ring wall are provided with positioning convex 7-2, described positioning convex 7-2 adapt with the groove being arranged on mobile jib 5, described ring flat-plate 7-1 external annulus On be provided with paired rebound 7-3, described rebound 7-3 offers and mobile jib connecting plate 6-5 in cantilever 6 Suitable screwed hole.It is arranged such, carries out coordinating location with the groove on mobile jib 5 by positioning convex 7-2, Preventing connection ring 7 from usurping the throne causes cantilever 6 to be partial to, and is arranged as required to the group number of rebound 7-3, connects Firm and convenient demolition and maintenance in the future, meet actually used needs.

On the basis of technique scheme, a length of 4 meters of described bilateral ground wire cross-arm 2, the first cross-arm 11, The spacing of the second cross-arm 12 place straight line and the 3rd cross-arm the 13, the 4th cross-arm 14 place straight line is 4 meters. It is arranged such, meets safety criterion, meet actually used needs.

This utility model is arranged on the conveying circuit between Liang Ge transformer station, and Fig. 5 is that this utility model uses A kind of example of mode, first cross-arm the 11, second cross-arm 12, the 3rd cross-arm 13, the 4th cross-arm 14, Hanging wire insulator it is equipped with as required, the A in work process, on the right side of mobile jib 5 on five cross-arms 15 and mobile jib 5 Phase conductor wire is by insulator A9, A10, A11, A12 hanging wire on the upside of the first cross-arm 11, and B phase is conducted electricity Line is by insulator B8, B7, B6, B5 hanging wire to the 3rd cross-arm 13, and the C phase on the left of mobile jib 5 insulate Sub-C4, C3, C2, C1 hanging wire is on the right side of mobile jib 5.Complete three-phase with this and guide phased interchange.

Restriction to this utility model protection domain, one of ordinary skill in the art should be understood that in this practicality new On the basis of the technical scheme of type, those skilled in the art need not to pay that creative work can make is each Plant amendment or deformation still within protection domain of the present utility model.

Claims (4)

1. a 110kv overhead transmission line commutation steel pipe pole, it is characterised in that: it includes vertically arranging Mobile jib (5), on described mobile jib (5) by top under be disposed with bilateral ground wire cross-arm (2), first horizontal Load (11), the second cross-arm (12), the 3rd cross-arm (13), the 4th cross-arm (14) and the 5th cross-arm (15), Described bilateral ground wire cross-arm (2), the first cross-arm (11), the second cross-arm (12), the 3rd cross-arm (13), Four cross-arms (14) be parallel to each other and the first cross-arm (11) and the second cross-arm (12) point-blank, the With the 4th cross-arm (14) point-blank, described 5th cross-arm (15) one end is arranged three cross-arms (13) And fiveth cross-arm (15) upper at mobile jib (5) is perpendicular to the 4th cross-arm (14) and mobile jib (5) place plane.

A kind of 110kv overhead transmission line commutation steel pipe pole the most according to claim 1, it is characterised in that: Described first cross-arm (11), the second cross-arm (12), the 3rd cross-arm (13), the 4th cross-arm (14) and the 5th Cross-arm (15) all includes that cantilever (6), described cantilever (6) include upper branch arm (6-1) and lower branch arm (6-2), Deep floor (6-3), described cantilever (6) it is welded with between described upper branch arm (6-1) and lower branch arm (6-2) Being welded on baffle plate (6-4) near mobile jib (5) one end, described baffle plate (6-4) is welded with offers screwed hole Mobile jib connecting plate (6-5), described upper branch arm (6-1) and lower branch arm (6-2) are that steel pipe is made.

A kind of 110kv overhead transmission line commutation steel pipe pole the most according to claim 2, it is characterised in that: Being provided with on described mobile jib (5) and carry out, with cantilever (6), the connection ring that assembles, described connection ring includes ring flat-plate (7-1), described ring flat-plate (7-1) internal ring wall is provided with positioning convex (7-2), described positioning convex (7-2) Adapt with the groove being arranged on mobile jib (5), described ring flat-plate (7-1) external annulus is provided with paired mistake Cab apron (7-3), described rebound (7-3) offers and mobile jib connecting plate (6-5) phase in cantilever (6) Adaptive screwed hole.

4., according to a kind of 110kv overhead transmission line commutation steel pipe pole described in claim 1 or 3, its feature exists In: a length of 4 meters of described bilateral ground wire cross-arm (2), the first cross-arm (11), the second cross-arm (12) institute Spacing at straight line and the 3rd cross-arm (13), the 4th cross-arm (14) place straight line is 4 meters.