CN219993300U - Large-span cable line overhead structure device - Google Patents

Abstract

The utility model relates to the technical field of power transmission and transformation in the power industry, in particular to a large-span cable line overhead structure device, which comprises steel pipe rods, steel pipe rod foundations and steel strands, wherein the steel pipe rods are fixedly connected with the steel pipe rod foundations, the steel pipe rod foundations are buried on the ground, the steel strands are arranged at the upper parts of the steel pipe rods, the steel strands between the steel pipe rods serve as suspension wires, the end parts of the steel strands at the two ends of the steel pipe rods are fixed on the ground and serve as pull wires, spacer bars are uniformly arranged on the suspension wires, the lower ends of the spacer bars are connected with cable clamps, and the cable clamps are hung on the cable lines; the steel strand suspension mode avoids the direct stress of the cable, and the wind vibration resistance and lightning stroke resistance are enhanced by arranging the damping type spacer on the steel strand; the utility model has the advantages of convenient implementation, great reduction of material loss, reduction of manufacturing cost and economic cost, and stronger practical application value.

Description

Large-span cable line overhead structure device

Technical Field

The utility model relates to the technical field of power transmission and transformation in the power industry, in particular to a large-span cable line overhead structure device.

Background

Currently, collector line cables within photovoltaic field areas are typically buried, but the topography of the terrain across the trench requires overhead access to the opposite side. Because 35kV cables are heavier, the number of cable cores adopted during crossing is larger, and the weight of 3.240 or 3.185 series cables is generally about 10kg/m, and the cable tension during crossing is much larger than the wire tension in consideration of ice load and wind load, and the cement pole overhead cable mode can be adopted when the span is about 30m, but the cement pole structural style does not meet the strength requirement when the span distance exceeds 30 m. The patent CN2333108Y discloses a large-span cable bridge, which is characterized by comprising two upright posts, wherein one to two stay ropes or pull rods are arranged between the upright posts, a plurality of slings or supporting rods are respectively connected with respective hanging frames on the stay ropes or the pull rods, and the bridge for loading cables passes through the hanging frames. However, the upright posts at the two ends of the patent adopt a bridge frame form, the steel consumption is large in actual engineering, the sectional area of the upright posts is large, and the engineering cost is high.

Disclosure of Invention

The utility model aims to provide a large-span cable line overhead structure device which can realize that an overhead cable spans a large-span valley, can meet the requirement of overhead of a current collecting line cable within 200 m span, has a simple structure, greatly reduces material loss and reduces manufacturing cost.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a large-span cable line overhead structure device, includes steel pipe pole, steel pipe pole basis and steel strand wires, steel pipe pole and steel pipe pole basis fixed connection, the steel pipe pole basis buries in ground, the steel strand wires set up on steel pipe pole upper portion, are located between the steel pipe pole the steel strand wires are as the suspension line, are located the steel strand wires tip fixing at steel pipe pole both ends and act as the acting as the line, hang on the suspension line and establish cable line.

Preferably, a spacer is arranged on the suspension wire, the lower end of the spacer is connected with a cable clamp, and a cable line is hung on the cable clamp.

Preferably, the spacers are uniformly arranged every two meters.

Preferably, the steel pipe pole includes montant and cross arm, the montant sets firmly on the steel pipe pole basis, the cross arm level sets firmly in the upper position of montant, cross arm both sides and montant top all are provided with the hanging hole, the steel strand wires are connected to on the hanging hole that corresponds.

Preferably, the steel strand is connected to the hanging hole through a hanging ring and a wire clamp.

Preferably, the stay wire is connected with the stay disc through a hardware fitting, and the stay disc is buried underground.

Preferably, the cable line is hung on the cable clamp through a cable climbing rod welding piece and a hoop which are fixedly arranged on the steel pipe rod.

The utility model has the following beneficial effects:

according to the large-span cable line overhead structure device provided by the utility model, the overhead crossing cable is pulled by the steel pipe rod with the pull wire and the steel stranded wire, so that the overhead cable spans a large-span valley, the risk of contacting the cable by people and livestock is avoided, the direct stress of the cable is avoided by the steel stranded wire suspension mode, and the wind vibration resistance and lightning stroke resistance are enhanced by arranging the damping type spacer on the steel stranded wire; the utility model has the advantages of convenient implementation, great reduction of material loss, reduction of manufacturing cost and economic cost, and stronger practical application value.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the structure of the present utility model.

Wherein: 1. a steel pipe rod; 2. a steel pipe pole foundation; 3. a pull wire; 4. a pulling disc; 5. a suspension wire; 6. a spacer; 7. a cable line; 8. a cross arm; 9. ground surface; 10. and (5) a valley.

Detailed Description

The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1 and 2, the utility model provides a large-span cable line overhead structure device, which comprises a steel pipe rod 1, a steel pipe rod foundation 2 and steel strands, wherein the steel pipe rod 1 is fixedly connected with the steel pipe rod foundation 2, the steel pipe rod foundation 2 is buried on the ground 9, the steel strands are arranged on the upper part of the steel pipe rod 1, the steel strands between the steel pipe rods 1 are used as suspension wires 5, the ends of the steel strands at the two ends of the steel pipe rod 1 are fixed on the ground 9 and used as pull wires 3, the cable lines 7 are hung on the suspension wires 5, and the pull wires 3 can prevent the steel pipe rod 1 from overturning under the load action of the steel strands and the cable lines 7.

The suspension wire 5 is provided with the spacer 6, the spacer 6 is hung on the suspension wire 5, the spacer 6 is a damping spacer, and the damping spacer enhances the overall wind vibration resistance and lightning stroke resistance; the spacing bars 6 are uniformly arranged every two meters, the lower ends of the spacing bars 6 are connected with cable clamps, the cable clamps are cable suspension clamps, and the cable suspension clamps are hung with cable lines 7. The steel pipe pole 1 includes montant and cross arm 8, and the montant sets firmly on steel pipe pole basis 2, and cross arm 8 level sets firmly in the upper portion position of montant, and cross arm 8 both sides and montant top all are provided with the hanging hole, and the hanging hole that every cross arm 8 hangs steel strand wires position and montant top string steel strand wires position is two, and two hanging holes are close to 3 one sides of acting as go-between and 5 one sides of hanging wire respectively. The steel strand wires are connected to the corresponding hanging holes through hanging rings and wire clamps, the hanging rings are U-shaped hanging rings, and the wire clamps are UT-shaped wire clamps. The stay wires 3 at the two ends of the steel pipe pole 1 are connected with the stay disc 4 through hardware fittings, the stay disc 4 is buried below the ground 9, and the depth is two meters underground. The cable line 7 is hung on the cable clamp through the cable climbing rod welding piece and the anchor ear which are fixedly arranged on the steel pipe rod 1, the cable line 7 is hung below the hanging wire 5 through the spacing rod 6 on the hanging wire 5 and the cable clamp, the steel stranded wire can be used as a lightning conductor, the whole cable is not easy to be struck by lightning, on the other hand, the weight of the cable is large, the self weight cannot be born, and the weight must be born by the steel stranded wire.

The specific implementation method of the utility model comprises the following steps:

when the cable lines of the current collecting cable and the communication optical cable need to span the valley 10, the construction and the installation of the steel pipe pole foundation 2 and the steel pipe pole 1 are respectively completed on the two sides of the point to be crossed according to the design scheme. And then assembling the steel stranded wires, hanging the steel stranded wires on the steel pipe rods 1 at two sides of the valley 10 to be spanned under a certain sag control, and fixing the stay wires 3 at two ends, wherein the steel stranded wires are fixed through U-shaped hanging rings and UT molded line clamps connected with hanging holes. After the installation is completed, the cable line 7 is clamped by the cable suspension clamp every two meters, the upper end of the damping type spacer above the cable suspension clamp is movably hung on the steel strand, the cable line 7 is moved to the other end from one end of the crossing point by sequential traction, the distance of the upper part of the damping type spacer is uniform, and the upper part of the damping type spacer is fixed with the steel strand, so that the overhead crossing of the cable is completed.

According to the large-span current collecting line cable overhead structure device provided by the utility model, the overhead crossing cable line 7 is pulled by the steel pipe rod 1 with the pull wire 3 and the suspension wire 5, so that the current collecting line cable line 7 in 200 m span is overhead, the risk of contacting cables by people and livestock is avoided, the cable line 7 is directly stressed by a steel strand suspension mode, and the wind vibration resistance and lightning stroke resistance are enhanced by arranging the damping type spacer; the utility model has convenient implementation, greatly reduces material loss, reduces manufacturing cost and economic cost, and has stronger practical application value.

While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely used for convenience in describing and simplifying the description, and do not necessarily indicate or imply that the apparatus or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

Claims (7)

1. The utility model provides a large-span cable line overhead structure device, its characterized in that includes steel pipe pole, steel pipe pole basis and steel strand wires, steel pipe pole and steel pipe pole basis fixed connection, the steel pipe pole basis buries in ground, the steel strand wires set up on steel pipe pole upper portion, lie in between the steel pipe pole the steel strand wires are as the suspension line, and the steel strand wires tip that lies in steel pipe pole both ends is fixed and is acting as the acting as, hang on the suspension line and establish cable line.

2. The large-span cable line overhead structure device according to claim 1, wherein a spacer is provided on the suspension line, a cable clamp is connected to the lower end of the spacer, and the cable clamp hangs a cable line.

3. The large span electrical cable line overhead structural device of claim 2, wherein the spacer bars are uniformly arranged every two meters.

4. The large-span cable line overhead structure device according to claim 1, wherein the steel pipe pole comprises a vertical rod and a cross arm, the vertical rod is fixedly arranged on the steel pipe pole base, the cross arm is horizontally fixedly arranged at the upper position of the vertical rod, hanging holes are formed in two sides of the cross arm and the top of the vertical rod, and the steel stranded wires are connected to the corresponding hanging holes.

5. The large span electrical line overhead structural assembly of claim 4, wherein the steel strands are connected to the hanging hole by hanging rings and clamps.

6. The large span cable line overhead structure device of claim 1, wherein the pull wire is connected to the pull disc by a hardware fitting, and the pull disc is buried under the ground.

7. The large-span cable line overhead structure device according to claim 2, wherein the cable line is hung on the cable clamp through a cable climbing pole welding piece and a hoop fixed on the steel pipe pole.