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Hydraulic device of transformer substation cable drum carriage

A hydraulic device and pay-off car technology, applied in the field of hydraulic devices, can solve problems such as frequent oil leakage of one-way oil cylinders, potential safety hazards in substations, incomplete return of oil cylinders, etc., to achieve enhanced safety and reliability, improved work quality, and reasonable structure Effect

Inactive Publication Date: 2015-02-04
SHANDONG UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the transformation and construction process, when the substation cable pay-off vehicle is laying cables, the one-way oil cylinder of the hydraulic device of the existing substation cable pay-off vehicle will have frequent oil leakage during the lifting and falling process of the cable roll, resulting in frequent oil leakage during substation operations. On the other hand, the oil cylinder is not fully returned, and the line cannot be rolled down to the bottom. It is necessary to strengthen monitoring to prevent the line from rolling to the ground unstable and hurting people. The safety risks brought about by this increase accordingly

Method used

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  • Hydraulic device of transformer substation cable drum carriage

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Embodiment

[0010] Embodiment: A hydraulic device of a substation cable pay-off vehicle (see figure 1 ), which includes a fuel tank 1, which is connected to the manual one-way quantitative hydraulic pump 2 through the first oil pipe 7. The oil pipe 13, the seventh oil pipe 13 is connected to the pressure relief valve 3 through the eighth oil pipe 14, the seventh oil pipe 13 is connected to a two-position two-way control valve 4 through the second oil pipe 8, the second oil pipe 8 is 110 mm long, one end is an elbow, and the other One end is a direct connector, the two-station two-way control valve 4 is connected to the ninth oil pipe 15, the ninth oil pipe 15 passes through respectively, the third oil pipe 9 and the fourth oil pipe 10 are connected to two flow regulating valves 5, the third oil pipe 9 is 1800mm long, and one end It is a straight joint, and the other end is an elbow joint; the fourth oil pipe 10 is 400 mm long, and both ends are straight joints. Each flow control valve 5 i...

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Abstract

The invention discloses a hydraulic device of a transformer substation cable drum carriage. The hydraulic device of the transformer substation cable drum carriage comprises an oil tank (1), wherein the oil tank (1) is connected with a manual one-way quantitative hydraulic pump (2) through an oil pipe. The hydraulic device of the transformer substation cable drum carriage is characterized in that the manual one-way quantitative hydraulic pump (2) is respectively connected with a pressure release valve (3) and a two-station two-way control valve (4) through oil pipes; the two-station two-way control valve (4) is respectively connected with two current regulating valves (5) through oil pipes; each current regulating valve (5) is connected with an oil cylinder (6) through an oil pipe; the oil cylinder (6) is connected with the oil tank (1) through the two-station two-way control valve (4) and an oil pipe. The hydraulic device of the transformer substation cable drum carriage is simple and practical in structure, a cable can be rolled and lifted safely and reliably, and the safety and the reliability of power supply are ensured.

Description

Technical field: [0001] The invention relates to a hydraulic device for a substation cable pay-off vehicle, which belongs to the field of power system substation operation and maintenance. Background technique: [0002] During the transformation and construction process, when the substation cable pay-off vehicle is laying cables, the one-way oil cylinder of the hydraulic device of the existing substation cable pay-off vehicle will have frequent oil leakage during the lifting and falling process of the cable roll, resulting in frequent oil leakage during substation operations. On the other hand, the oil cylinder is not fully returned, and the line cannot be rolled down to the bottom. It is necessary to strengthen monitoring to prevent the line from rolling to the ground unstable and hurting people. The safety risks brought about by this increase accordingly. Therefore, it is imperative to develop a cable pay-off car hydraulic device that has no oil leakage hidden danger, r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B11/16
CPCF15B11/165
Inventor 王洪光刘东明陈陶王震宁初嘉伟李英成邢伟孙晓晨柴龙庆周志娟
Owner SHANDONG UNIV
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