Wineglass-shaped overhanging tower with side-phase half-V-string hanging lines

Abstract

The utility model discloses a wineglass-shaped overhanging tower with side-phase half-V-string hanging wires, which comprises a cross arm structure mounted on a tower body, the cross arm structure comprises a middle-phase wire cross arm and side-phase wire cross arms positioned at two ends of the middle-phase wire cross arm, the middle-phase wire cross arm is connected with a V-shaped insulator structure, the side-phase wire cross arms are connected with half-V-shaped insulator structures, and the half-V-shaped insulator structures are connected with the middle-phase wire cross arm. The middle-phase wire cross arm is flush with the side-phase wire cross arm, the half-V-shaped insulator structure comprises a suspension insulator string and a first post insulator string, the suspension insulator string is connected with one end, far away from the middle-phase wire cross arm, of the side-phase wire cross arm, and the extension direction of the suspension insulator string is perpendicular to the extension direction of the cross arm structure. The wineglass tower provided by the utility model not only can provide constraint in the horizontal direction of the wire under the action of wind load, but also can greatly shorten the length of the cross arm structure, reduce the width of a corridor, reduce the house demolition amount in the corridor caused by the construction of a power transmission line, reduce the comprehensive manufacturing cost of the line and save the cost.

Description

TECHNICAL FIELD

[0001] The utility model belongs to power transmission line equipment technical field, especially relate to a wine cup type suspension tower of edge phase half V string hanging wire. BACKGROUND

[0002] At present, the edge phase hanging wire mode of conventional single circuit wine cup tower is usually ''I string type'' and ''V string type''.

[0003] The wire of the edge phase ''I string type'' hanging wire mode is not constrained in the horizontal direction, and under the action of wind load, the edge phase wire insulator string will produce a large wind deflection and swing angle, so that the horizontal spacing of its wire is large, and the corridor width occupied is wide, and the demolition amount is large in the area where houses are densely distributed.

[0004] The wire of the ''V string type'' hanging wire mode is constrained in the horizontal direction, and the wire position does not produce deviation under the action of wind load, and the horizontal spacing of its wire is small, so that the corridor width can be effectively saved, and the house demolition amount is reduced, but under the same height, since the cross arm length of the ''V string type'' is larger than that of the ''I string type'', the tower head wind load is large, so that the tower weight of the ''V string type'' hanging wire is larger than that of the ''I string type''. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at overcoming the defects of the prior art, and provides a wine cup type suspension tower of edge phase half V string hanging wire, which can provide constraint of the wire in the horizontal direction when subjected to wind load, and the length of the cross arm structure is no longer controlled by the requirement of the ''V string type'' angle structure, so that the length of the cross arm structure can be greatly shortened, the corridor width is reduced, the house demolition amount in the corridor caused by the construction of the power transmission line is reduced, the comprehensive cost of the line is reduced, and the cost is saved.

[0006] The utility model aims at overcoming the defects of the prior art, and provides a wine cup type suspension tower of edge phase half V string hanging wire, which can provide constraint of the wire in the horizontal direction when subjected to wind load, and the length of the cross arm structure is no longer controlled by the requirement of the ''V string type'' angle structure, so that the length of the cross arm structure can be greatly shortened, the corridor width is reduced, the house demolition amount in the corridor caused by the construction of the power transmission line is reduced, the comprehensive cost of the line is reduced, and the cost is saved.

[0007] A wine cup type suspension tower of edge phase half V string hanging wire, which comprises a cross arm structure installed on a tower body, the cross arm structure comprises a phase wire cross arm and edge phase wire cross arms located at both ends of the phase wire cross arm, the phase wire cross arm is connected with a V-shaped insulator structure, the edge phase wire cross arm is connected with a half V-shaped insulator structure, the phase wire cross arm is flush with the edge phase wire cross arm, the half V-shaped insulator structure comprises a suspension insulator string and a first support insulator string, the suspension insulator string is connected with one end of the edge phase wire cross arm away from the phase wire cross arm, the extension direction of the suspension insulator string is perpendicular to the extension direction of the cross arm structure, and the first support insulator string is connected with one end of the edge phase wire cross arm close to the phase wire cross arm.

[0008] By the embodiment, the semi-V-shaped insulator structure replaces the conventional "I string type" hanging wire mode, so that the wire horizontal direction is constrained when subjected to wind load, the length of the cross arm structure is greatly shortened, the corridor width is reduced, the amount of house demolition in the corridor caused by the construction of the power transmission line is reduced, the comprehensive cost of the line is reduced, and the cost is saved.

[0009] In one embodiment, the first pillar insulator string and the suspension insulator string are connected with a first joint plate, the first pillar insulator string extends obliquely, and the included angle between the first pillar insulator string and the suspension insulator string is a first included angle, and the angle of the first included angle is less than 90°.

[0010] In one embodiment, the angle of the first included angle ranges from 45° to 55°.

[0011] In one embodiment, the V-shaped insulator structure comprises two obliquely extending second pillar insulator strings, one end of each of the two second pillar insulator strings is connected with a second joint plate, and the other end is connected with two ends of the middle phase conductor cross arm, respectively, the included angle between the two second pillar insulator strings is a second included angle, and the angle of the second included angle is not less than 90°.

[0012] In one embodiment, the angle of the second included angle ranges from 90° to 120°.

[0013] In one embodiment, a plurality of suspension clamps are arranged on the first joint plate and the second joint plate.

[0014] In one embodiment, a tower leg arranged on the ground is further included, and the tower body is arranged on the tower leg.

[0015] In one embodiment, an upper curved arm and a lower curved arm connected with each other are further arranged between the cross arm structure and the tower body, the cross arm structure is connected with the upper curved arm, and the tower body is connected with the lower curved arm.

[0016] In one embodiment, the middle phase conductor cross arm and the side phase conductor cross arm are connected through a cross arm transition section.

[0017] In one embodiment, a ground wire support is arranged on the cross arm transition section.

[0018] The utility model discloses the beneficial effect lies in:

[0019] In the wine glass tower, the form of combination of suspension insulator string and support insulator string is adopted to form a semi-V-shaped insulator structure, when affected by wind load, the support insulator string on the inner side can provide constraint in the horizontal direction of the conductor, meanwhile, the length of the cross arm structure is no longer controlled by the requirement of the angle structure of the V-string type, the length of the cross arm structure can be greatly shortened, the corridor width is reduced, the amount of house demolition in the corridor caused by the construction of the power transmission line is reduced, the comprehensive cost of the line is reduced, and the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be described in more detail below based on the embodiments and with reference to the drawings.

[0021] Among them:

[0022] Figure 1 The structure schematic view of the utility model is shown;

[0023] Figure 2 The structure schematic view of the utility model is shown; Figure 1 The local amplification schematic view of A in the structure schematic view of the utility model is shown;

[0024] Figure 3 The local amplification schematic view of B in the structure schematic view of the utility model is shown; Figure 1 The local amplification schematic view of B in the structure schematic view of the utility model is shown;

[0025] In the drawings, the same parts use the same reference numerals.The drawings are not in accordance with the actual scale.

[0026] Reference numerals:

[0027] 1-middle phase conductor cross arm, 2-side phase conductor cross arm, 3-suspension insulator string, 4-first support insulator string, 5-first connecting plate, 6-second support insulator string, 7-second connecting plate, 8-suspension clamp, 9-tower leg, 10-tower body, 11-upper curved arm, 12-lower curved arm, 13-cross arm transition section, 14-ground wire support. DETAILED DESCRIPTION

[0028] The utility model will be described in more detail below based on the embodiments and with reference to the drawings.

[0029] The utility model provides a kind of side phase semi-V string hanging line's wine glass type suspension tower, such as Figure 1 And Figure 2As shown, the tower body 10 is provided with a cross arm structure, the cross arm structure includes a middle phase conductor cross arm 1 and edge phase conductor cross arms 2 located at both ends of the middle phase conductor cross arm 1, the middle phase conductor cross arm 1 is connected with a V-shaped insulator structure, the edge phase conductor cross arms 2 are connected with a half V-shaped insulator structure, the middle phase conductor cross arm 1 is flush with the edge phase conductor cross arms 2, the half V-shaped insulator structure includes a suspension insulator string 3 and a first support insulator string 4, the suspension insulator string 3 is connected with an end of the edge phase conductor cross arm 2 away from the middle phase conductor cross arm 1, the extension direction of the suspension insulator string 3 is perpendicular to the extension direction of the cross arm structure, the first support insulator string 4 is connected with an end of the edge phase conductor cross arm 2 close to the middle phase conductor cross arm 1;

[0030] It should be noted that the edge phase half V-shaped insulator structure is formed by combining the suspension insulator string 3 and the first support insulator string 4, when subjected to wind load, the first support insulator string 4 on the inside can provide horizontal restraint for the conductor, at the same time, the length of the cross arm structure is no longer controlled by the requirement of the “V string type” included angle structure, the length of the cross arm structure can be greatly shortened, the corridor width is reduced, the amount of house demolition in the corridor caused by the construction of the power transmission line is reduced, the comprehensive cost of the line is reduced, and the cost is saved, for example, the length of the edge phase conductor cross arm 2 of the conventional “I string type” is about 10 m, and the length of the edge phase conductor cross arm 2 in the embodiment is about 7 m, the length of the cross arm structure is greatly shortened;

[0031] Specifically, as shown in Figures 1 to 3 the first support insulator string 4 and the suspension insulator string 3 are both connected with the first connecting plate 5, the first support insulator string 4 extends obliquely, the included angle between the first support insulator string 4 and the suspension insulator string 3 is a first included angle, and the angle of the first included angle is less than 90°;

[0032] Preferably, the angle of the first included angle ranges from 45° to 55°;

[0033] In one embodiment, as shown in Figure 1 and Figure 3 the V-shaped insulator structure includes two obliquely extending second support insulator strings 6, one end of each of the two second support insulator strings 6 is connected with the second connecting plate 7, and the other end is connected with both ends of the middle phase conductor cross arm 1, the included angle between the two second support insulator strings 6 is a second included angle, and the angle of the second included angle is not less than 90°;

[0034] Preferably, the angle of the second included angle ranges from 90° to 120°;

[0035] In one embodiment, as shown in Figure 2 and Figure 3 a plurality of suspension clamps 8 are arranged on the first connecting plate 5 and the second connecting plate 7 to suspend the conductor;

[0036] In one embodiment, as shown in Figure 1 The tower leg 9 is arranged on the ground, the tower body 10 is arranged on the tower leg 9, the cross arm structure is connected with the upper curved arm 11 and the lower curved arm 12, the cross arm structure is connected with the upper curved arm 11, and the tower body 10 is connected with the lower curved arm 12.

[0037] In one embodiment, as shown in Figure 1 The middle-phase conductor cross arm 1 and the side-phase conductor cross arm 2 are connected through the cross arm transition section 13, and the ground wire support 14 is arranged on the cross arm transition section 13.

[0038] In the description of the utility model, it is understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0039] Although the utility model is described herein with reference to particular embodiments, it should be understood that these examples are merely illustrative of the principles and applications of the utility model. It should therefore be understood that numerous modifications can be made to the exemplary embodiments, and that other arrangements can be devised without departing from the spirit and scope of the utility model as defined in the appended claims. It should be understood that different dependent claims and features described herein can be combined in ways other than the original claims describe. It should also be understood that features described in relation to one embodiment can be used in other described embodiments.

Claims

1. A wineglass-shaped suspension tower of edge- by-side half-V stringing, characterized in that, The cross arm structure includes a middle phase conductor cross arm and edge phase conductor cross arms at both ends of the middle phase conductor cross arm, the middle phase conductor cross arm is connected with a V-shaped insulator structure, the edge phase conductor cross arms are connected with half V-shaped insulator structures, the middle phase conductor cross arm is flush with the edge phase conductor cross arms, the half V-shaped insulator structure includes a pendant insulator string and a first support insulator string, the pendant insulator string is connected with an end of the edge phase conductor cross arm away from the middle phase conductor cross arm, the extension direction of the pendant insulator string is perpendicular to the extension direction of the cross arm structure, and the first support insulator string is connected with an end of the edge phase conductor cross arm close to the middle phase conductor cross arm.

2. A wine glass shaped tower of edge- half V string hung wires as claimed in claim 1, wherein, The first support insulator string and the pendant insulator string are both connected with a first joint plate, the first support insulator string extends obliquely, the included angle between the first support insulator string and the pendant insulator string is a first included angle, and the angle of the first included angle is less than 90°.

3. A wine glass shaped tower of edge- by-side half V stringing as claimed in claim 2, wherein, The angle of the first included angle ranges from 45° to 55°.

4. A wine glass shaped tower of edge- by-side half V stringing as claimed in claim 2, wherein, The V-shaped insulator structure includes two obliquely extending second support insulator strings, one end of each of the two second support insulator strings is connected with a second joint plate, and the other end of each of the two second support insulator strings is connected with an end of the middle phase conductor cross arm, the included angle between the two second support insulator strings is a second included angle, and the angle of the second included angle is not less than 90°.

5. A wine glass shaped tower of edge- by-side half V stringing as claimed in claim 4, wherein, The angle of the second included angle ranges from 90° to 120°.

6. A wine glass shaped suspended tower of edge- by-side half V stringing as claimed in claim 4, wherein, A plurality of pendant line clamps are arranged on the first joint plate and the second joint plate.

7. A wine glass shaped tower of edge- by-side half V stringing as claimed in claim 1, wherein, A tower leg arranged on the ground is further included, and the tower body is arranged on the tower leg.

8. A wine glass shaped tower of edge- half V string hanging wires as claimed in claim 1 or 7 wherein, An upper curved arm and a lower curved arm connected with each other are further arranged between the cross arm structure and the tower body, the cross arm structure is connected with the upper curved arm, and the tower body is connected with the lower curved arm.

9. A wine glass shaped suspended tower of edge- by-side half V stringing as claimed in claim 1, wherein, The middle phase conductor cross arm and the edge phase conductor cross arms are connected through a cross arm transition section.

10. A wine glass shaped tower of edge- by-side half V stringing as claimed in claim 9, wherein, A ground wire support is arranged on the cross arm transition section.

Images