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A hydraulic device of a substation cable pay-off car

A technology of hydraulic device and pay-off car, applied in the field of hydraulic device, can solve the problems of frequent oil leakage of one-way oil cylinder, hidden danger of substation safety, incomplete return of oil cylinder, etc., so as to enhance safety and reliability, improve work quality and reasonable structure. Effect

Inactive Publication Date: 2017-02-15
SHANDONG UNIV +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] 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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  • A hydraulic device of a substation cable pay-off car

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Embodiment

[0015] 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

[0001] Technical field: [0002] 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. [0003] Background technique: [0004] 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 hidd...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B11/16
CPCF15B11/165
Inventor 卢刚王洪光刘东明王震宇初嘉伟李英成邢伟孙晓晨柴龙庆周志娟
Owner SHANDONG UNIV
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