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An online monitoring system for construction machinery hydraulic oil

A technology for monitoring systems and construction machinery, applied in the direction of fluid pressure actuation system testing, mechanical equipment, fluid pressure actuation devices, etc., can solve problems such as data differences, achieve large flow, prevent damage, and achieve maintainability protection Effect

Active Publication Date: 2016-05-04
XCMG CONSTR MACHINERY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

For different types of hydraulic oil, the data collected by the sensor will also vary greatly

Method used

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  • An online monitoring system for construction machinery hydraulic oil
  • An online monitoring system for construction machinery hydraulic oil
  • An online monitoring system for construction machinery hydraulic oil

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Embodiment Construction

[0032] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0033] It should be noted that: any technical feature and any technical solution in this embodiment are one or more of a variety of optional technical features or optional technical solutions. All the alternative technical features and alternative technical solutions of the present invention are cited, and it is not convenient for the implementation of each technical feature to emphasize that it is one of the optional multiple implementation modes, so those skilled in the art should know: Any technical features and any technical solutions in the embodiments do not limit the protection scope of the present invention, and the protection scope of the present invention should include any alternative technical solutions that those skilled in the art can think of without creative efforts.

[0034] For the convenience of desc...

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Abstract

The invention relates to an online monitoring system for construction machinery hydraulic oil. The online monitoring system includes a first sampling pipe, a first thermometer, a first valve, an electromagnetic pump, a buffer oil pool, a third thermometer, a first oil sensor, and a pressure sensor And the oil return device; the oil inlet end of the first sampling pipe is connected with the oil return pipe of the engineering vehicle, and the oil outlet is connected with the oil inlet end of the electromagnetic pump. The first sampling pipe is provided with a first thermometer and a first valve, and the first valve It is closer to the electromagnetic pump than the first thermometer. The oil outlet of the electromagnetic pump is connected to the oil inlet of the buffer oil pool. The first oil sensor and the third thermometer are arranged on the buffer oil pool. A pressure sensor is arranged between the oil inlet ends of the oil device. The online monitoring system provided by the invention solves the difficult problem of sampling in the hydraulic system of engineering machinery vehicles, and realizes that the collected oil samples can not only reflect the operation status of the equipment in real time, but also can comprehensively determine the overall status of the system.

Description

technical field [0001] The invention relates to the field of construction machinery, in particular to an online monitoring system for hydraulic oil of construction machinery. Background technique [0002] According to statistics, nearly 2 / 3 of the failures of the hydraulic system come from the pollution of the hydraulic oil medium. The hydraulic system of construction machinery is in a sealed and high-pressure environment, and the condition of the hydraulic oil medium cannot be directly reflected. A series of oil monitoring sensors currently on the market are affected by the special working conditions of construction machinery. The construction machinery vehicles have small working space, large vehicle vibration during work, harsh working environment, compact hydraulic system pipeline layout, and relatively narrow machine space. , the system pressure can reach 30-50 MPa, the flow rate is large, and the hydraulic oil temperature can reach 80°C-90°C. Temperature, flow rate, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B19/00
Inventor 潘燕王月行孙园园刘纲强
Owner XCMG CONSTR MACHINERY
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