CN201298693Y

CN201298693Y - Electric overhead line structure of leaning tower and suspended cable

Info

Publication number: CN201298693Y
Application number: CNU2008200967255U
Authority: CN
Inventors: 程永忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-10-30
Filing date: 2008-10-30
Publication date: 2009-08-26
Anticipated expiration: 2018-10-30

Abstract

The utility model relates to an electric overhead line structure of a leaning tower and suspended cable, belonging to the electric transmission device and aiming at providing an overhead line which can utilizes natural terrain as line corridors. The electric overhead line structure comprises an inclined triangular pyramid tower body which is formed by three tower rods (1); the upper ends of the three tower rods (1) are articulated with an articulated mechanism together and the lower ends thereof are respectively articulated with three foundations (11); the articulated mechanism comprises an articulated body (3), articulated sleeves (2) and nuts, wherein the side surface of the articulated body (3) is provided with shaft holes (17); the articulated sleeves (2) are provided with shaft holes (18) and are sleeved at articulated shafts (19) of the two ends of the articulated body; and the nuts are arranged on the articulated shafts (19); a hanging plate (4) is fixed on the articulated body (3); a suspended cable (8) is arranged on the hanging plate (4) by a hanger of the suspended cable; a constrained frame which is suspended with a windage yaw insulating frame (10) is fixed on the tower body; and an insulating frame (16) is suspended on the suspended cable (8). The electric overhead line structure has small line corridors and is an ideal and ultra extra-high voltage overhead line.

Description

Leaning tower, suspension cable hang the power overhead network line structure of lead

Technical field:

The utility model relates to a kind of power transmission device, relates in particular to a kind of overhead transmission line device.

Background technology:

At present, widely used super spy, high voltage overhead power transmission sequence adopt the mode of symmetric arrangement mostly, lightning conducter, the direct tensioning of lead or hang on the both sides of shaft tower cross-arm, and be segmented in by shaft tower in the zone of several relative closures, therefore there is following defective:

1) the circuit corridor is a banded corridor that the line of centres with pole and tower foundation is the axis, can not effectively utilize landform such as riverbed, zanjon, slope as the circuit corridor, and broad is taken up an area of in the circuit corridor, causes many wastings of resources such as soil, forest easily;

2) group tower construction technology complexity, efficient is low, cost is high, and amount of high-altitude operation is big, potential safety hazard outstanding;

3) in the stringing construction required construction site big, have relatively high expectations the relatively difficulty of operation that continues and go up to the air of circuits such as lead or lightning conducter, and complex process, the efficient of exhibition unwrapping wire are low, cost is high.

Summary of the invention:

At the above-mentioned defective that exists in the prior art, the utility model aims to provide a kind of group of tower construction and stringing is constructed simple, the circuit width of corridor is little, can utilize physical relieves such as riverbed, zanjon, slope as the leaning tower in circuit corridor, the power overhead network line structure that suspension cable hangs lead.

To achieve these goals, the utility model by the following technical solutions: it comprises tower body; Described tower body is to be articulated in linkwork, lower end jointly by the upper end respectively to be articulated in the oblique triangular cone that three tower bars on three bases constitute, described linkwork by the side be provided with axis hole articulated body, be provided with screw and be sleeved on the hinge cover on this articulated body two ends hinge and the nut that is arranged on each hinge constitutes; Link plate is fixed on the articulated body, and suspension cable is arranged on the link plate by the suspension cable hanger, and the restrained beam that is hung with the windage yaw insulating frame is fixed on the tower body, and insulating frame is suspended on the suspension cable.

Described suspension cable hanger by the U-shaped adjusting rod that is fixed on U-shaped card on the link plate, connect with this U-shaped chain jamming, be arranged on connecting rod and nut on this U-shaped adjusting rod, be arranged on two connecting rings on this connecting rod, constitute by regulating the wire clamp that pin is arranged on two connecting rings, suspension cable passes from the wire casing of fixing clamper and is compressed by the contract piece that inserts in this wire casing; Described suspension cable hanger by be fixed on support on the link plate, be arranged on connecting axle on this support, be installed in the vertical rod on this connecting axle, the movable wire clamp that is installed in this vertical rod constitutes, the suspension cable that is provided with guide vane end stop passes from movable wire clamp.

Compared with the prior art, tower body of the present utility model is owing to adopted oblique triangular pyramid body structure, the pinnacle of a pagoda of tower body tilts to the following line of slope on riverbed, zanjon or slope, therefore under the situation that does not increase the leaning tower height, can promote the height on conductor spacing ground effectively, reduce the influence of electrostatic field to circuit below people, animal, can make full use of physical relief again as the circuit corridor, save valuable land resource; In addition, owing to the mode of lead by upper, middle and lower grouping vertical arrangement is fixed on insulating frame and the windage yaw insulating frame, therefore can reduce the width in circuit corridor effectively, thereby reach the purpose of saving environmental resource, reducing project cost; Also have, tiltedly the tower body of triangular taper is applicable to the ground of the big discrepancy in elevation, according to the angle of inclination of the convertible leaning tower of needs of landform, thereby adjusts the position in circuit corridor; And, therefore can realize standardized production because the tower bar has adopted the quadrangular truss structure, help boosting productivity and realizing intermountable.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is that A among Fig. 1 is to view;

Fig. 3 is that B among Fig. 1 is to view;

Fig. 4 is that G among Fig. 3 is to view;

Fig. 5 is that C among Fig. 1 is to view;

Fig. 6 is that D among Fig. 1 is to view;

Fig. 7 is a linkwork structural representation of the present utility model;

Fig. 8 is the J-J cutaway view among Fig. 7;

Fig. 9 is the K-K cutaway view among Fig. 7;

Figure 10 is that E among Fig. 1 is to view;

Figure 11 is that F among Fig. 1 is to view;

Figure 12 is the suspension cable hanging tool structure schematic diagram of another embodiment of the utility model;

Figure 13 is that H among Figure 12 is to view.

Among the figure: tower bar 1 hinge cover 2 articulated bodies 3 link plates 4 U-shaped cards 5 connecting rings 6 fixing clampers 7 suspension cables 8 restrained beams 9 windage yaw insulating frames 10 basic 11 U-shaped adjusting rods, 12 connecting rods 13 are regulated pin 14 adjustment holes 15 insulating frames 16 axis holes 17 screws 18 hinges 19 double-screw bolts 20 supports 21 connecting axles 22 vertical rods 23 guide vane end stops 24 fixed pulleys 25 movable wire clamps 26

Embodiment:

The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:

Embodiment 1

In Fig. 1～11, the stage casing of tower bar 1 is the quadrangular truss structure, respectively is welded with two blocks of channel-section steels at the two ends up and down of tower bar 1 and constitutes hinged pin; Linkwork by two ends be provided with hinge 19 articulated body 3, be sleeved on the hinge cover 2 on each hinge 19 and the nut that is arranged on each hinge 19 constitutes; The side of articulated body 3 is provided with axis hole 17, the top is provided with through hole, and the side of hinge cover 2 is provided with screw 18.The described hinged pin of tower bar 1 upper end is hinged with the double-screw bolt 20 that is inserted in the basis 11 by bearing pin by the bearing pin and the articulated body 3 hinged pin hinged, this tower bar 1 lower end that are inserted in the axis hole 17, and it is hinged with the double-screw bolt 20 that is inserted into two other basis 11 respectively by bearing pin respectively that the hinged pin of other two tower bar 1 upper ends overlaps 2 hinged pin hinged, these two tower bar 1 lower ends by bolt and the hinge that is arranged in articulated body 3 two ends respectively; Three tower bars 1 are by the above-mentioned hinged leaning tower that forms a top to the triangular cone of lopsidedness.Touch tower body for fear of swinging excessive and cause the accident, on described tower body, be fixed with restrained beam 9, be suspended on the below of this restrained beam by the windage yaw insulating frame 10 of insulator bar construction at the effect lower wire of wind-force.Link plate 4 is by being located at being bolted on the articulated body 3 in the described through hole, and suspension cable 8 is arranged on the link plate 4 by the suspension cable hanger, is suspended on the below of suspension cable 8 by the insulating frame 16 of insulator bar construction; Wire erection is on insulating frame 16 and windage yaw insulating frame 10.Described suspension cable hanger by by the U-shaped adjusting rod 12 that is bolted to U-shaped card 5 on the link plate 4, connect with this U-shaped chain jamming, be arranged on connecting rod 13 and two nuts on this U-shaped adjusting rod, be arranged on two connecting rings 6 on this connecting rod, constitute by regulating pin 14 fixing clampers 7 that are arranged on two connecting rings 6, the described suspension cable 8 of double as lightning conducter passes from the wire casing of fixing clamper 7 and is compressed by the contract piece 16 that inserts in this wire casing.For the ease of regulating the tension force of suspension cable 8, on fixing clamper 7, be provided with a plurality of adjustment holes 15.Present embodiment mainly is applicable to strain insulator power hang.

Embodiment 2

Under the identical situation of basic structure and embodiment 1, suspension cable hanger of the present utility model can also adopt the structure shown in Figure 12～13: it by be fixed on two supports 21 on the link plate 4, be arranged on connecting axle 22 on the two stands 21, be arranged on the vertical rod 23 on this connecting axle, the movable wire clamp 26 that is installed in the vertical rod 23 by bearing pin constitutes, the suspension cable 8 that is provided with guide vane end stop 24 passes from movable wire clamp 26.Movable wire clamp 26 is made of two leg-of-mutton clamping plate, three fixed pulleys 25 being arranged between the described two clamping plates.Present embodiment mainly is applicable to non-strain insulator power hang.

In the various embodiments described above, basis 11 both can have been adopted structure shown in Figure 10, also can have been adopted structure shown in Figure 11.If adopt structure shown in Figure 10, then double-screw bolt 20 is the single head double-screw bolt; If adopt structure shown in Figure 11, then double-screw bolt 20 is a studs.

Claims

1. a leaning tower, suspension cable hang the power overhead network line structure of lead, comprise tower body; It is characterized in that: described tower body is to be articulated in linkwork, lower end jointly by the upper end respectively to be articulated in the oblique triangular cone that three tower bars (1) on three bases (11) constitute, described linkwork by the side be provided with axis hole (17) articulated body (3), be provided with screw (18) and be sleeved on the hinge cover (2) on these articulated body two ends hinges (19) and the nut that is arranged on each hinge (19) constitutes; Link plate (4) is fixed on the articulated body (3), and suspension cable (8) is arranged on the link plate (4) by the suspension cable hanger, and the restrained beam (9) that is hung with windage yaw insulating frame (10) is fixed on the tower body, and insulating frame (16) is suspended on the suspension cable (8).

2. leaning tower according to claim 1, suspension cable hang the power overhead network line structure of lead, it is characterized in that: described suspension cable hanger by the U-shaped adjusting rod (12) that is fixed on U-shaped card (5) on the link plate (4), connect with this U-shaped chain jamming, be arranged on connecting rod (13) and nut on this U-shaped adjusting rod, be arranged on two connecting rings (6) on this connecting rod, sell (14) and be arranged on wire clamp (7) formation on two connecting rings (6) by regulating, suspension cable (8) passes from the wire casing of fixing clamper (7) and is compressed by the contract piece (16) that inserts in this wire casing.

3. leaning tower according to claim 1, suspension cable hang the power overhead network line structure of lead, it is characterized in that; Described suspension cable hanger by be fixed on support (21) on the link plate (4), be arranged on connecting axle (22) on this support, be installed in the vertical rod (23) on this connecting axle, the movable wire clamp (26) that is installed in this vertical rod constitutes, the suspension cable (8) that is provided with guide vane end stop (24) passes from movable wire clamp (26).