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Power transmission and transformation line interval maintaining device

A technology for power transmission and transformation lines and fixtures, applied in the field of spacers, can solve the problems of unstable support force, increased difficulty and danger, etc.

Active Publication Date: 2021-09-14
国网山东省电力公司建设公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing spacers are all provided with a support arm with a single support at the corner of the holder, and a wire fixing device is provided at one end of the support arm. This single support arm has the disadvantage of unstable support force during use. In the peak area of ​​conductor galloping, multiple sets of spacers need to be installed to achieve the effect of conductor spacing, and conductors are often erected in the sky, especially for high-voltage transmission lines. The installation of spacers further increases the difficulty and danger of installation

Method used

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  • Power transmission and transformation line interval maintaining device
  • Power transmission and transformation line interval maintaining device
  • Power transmission and transformation line interval maintaining device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 1-7 As shown, a power transmission and transformation line spacing maintenance device includes a fixing seat 2, a supporting device 3, and a fixing device 4. The fixing seat 2 includes a fixing block 201 and a connecting rod 202 arranged on the outer end surface of the fixing block 201. The cross-section of the fixing block 201 is a square or a regular hexagon or a regular octagon, thereby forming a distance maintaining device for two splits, four splits, six splits or eight splits of the wire 1; Plate 301, the support arms 305 that are arranged on the front and rear sides of the fixed plate 301, the connecting rod 202 and the two support arms 305 form a Y-shaped structure, and one end of the support arm 305 is provided with a mounting head 307, and the fixing device 4 is arranged on the installation On the head 307, and the fixing device 4 on the front and rear sides is coaxially arranged, the fixing device 4 includes a tightening screw 407 installed on...

Embodiment 2

[0053] Such as Image 6 As shown, the difference from Embodiment 1 is that in this embodiment, the engaging device includes a sliding sleeve 418 sleeved on the outside of the connecting handle 416, and one end of the connecting handle 416 is provided with a ring plate 417, the The outside of the connecting handle 416 is provided with a second clamping spring 419, one end of the second clamping spring 419 is fixedly connected with the ring plate 417, and the other end of the second clamping spring 419 is fixedly connected with the sliding sleeve 418; Pull back to open the movable plate 402, after the wire 1 is stuck between the outer splint 401 and the inner splint 404, buckle the buckle plate 403 inside the buckle groove 415, and then loosen the sliding sleeve 418, the sliding sleeve 418 Under the action of the elastic force of the second tightening spring 419, one end of the connecting handle 416 is intended to be tightened, so that the buckle plate 403 is limited to the insi...

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Abstract

The present invention discloses a power transmission and transformation line interval maintaining device which comprises a fixing seat, a supporting device and a fixing device, the supporting device comprises a fixing plate arranged at one end of a connecting rod and supporting arms arranged at the front side and the rear side of the fixing plate, the connecting rod and the two supporting arms form a Y-shaped structure, and the fixing device is arranged on a mounting head. The fixing devices on the front side and the rear side are coaxially arranged, each fixing device comprises a jacking screw installed on the installation head in a clearance mode and an inner clamping plate arranged at one end of the jacking screw, the upper end of each jacking screw is in threaded connection with a connecting handle, and the upper end of each connecting handle is fixedly connected with an outer clamping plate. The front side and the rear side of the connecting rod are each provided with one supporting device, the fixing devices are arranged at the ends of the supporting devices, the wires are fixed into the fixing devices, traditional point supporting is converted into line supporting through the fixing devices on the front side and the rear side, the stability of wire spacing is enhanced, the number of mounted spacers is reduced, and the mounting efficiency of the spacer is improved.

Description

technical field [0001] The invention belongs to the technical field of spacer rods, and in particular relates to a spacer for power transmission and transformation lines. Background technique [0002] The transmission line is an important part of the power system. The transmission, distribution and use of electric energy are inseparable from the transmission line. The failure rate of the transmission line directly affects the stability of the power system. The working environment of the line is relatively complicated, and there are many factors that affect the stability of the line. Among them, the single-phase ground fault is the most common line fault in the short-circuit fault, and the two-phase short-circuit fault is the most common line fault except the single-phase ground fault. , In the transmission line, especially in the second and third-level galloping areas, the conductors will gallop due to the wind. Galloping not only causes short-circuit tripping, but also lead...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/12H02G7/05H02G7/14
CPCH02G7/12H02G7/05H02G7/053H02G7/125
Inventor 张学杰姜磊何勇军杨志伟史常赟屈红磊刘宁于宁翟得全赵月辉隋永锟滕飞
Owner 国网山东省电力公司建设公司
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