Intelligent control system for cooling of drive axle
A control system and drive axle technology, applied in lubrication systems, vehicle components, transportation and packaging, etc., can solve problems affecting drive axles, sharply reduced life, natural heat dissipation, etc., to reduce wear and improve service life.
Pending Publication Date: 2017-06-23
XCMG CONSTR MACHINERY
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Problems solved by technology
When the drive axle generates a large amount of heat in a short period of time, it cannot be discharged through normal natural heat dissipation, causing a large amount of heat energy to accumulate inside the drive axle, seriously affecting the normal operation of the components of the drive axle, and shortening the service life.
Method used
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[0029] In the present invention, the reversing solenoid valve can be a two-position three-way solenoid valve in the prior art or a valve block with the same function, and the radiator can be an air-cooled radiator, a water-cooled radiator or an oil-cooled radiator in the prior art. The controller can adopt a PLC controller or a single-chip microcomputer in the prior art. Both ends of the oil pump 1 are connected in parallel with pressure relief solenoid valves to protect the oil pump 1 from high pressure damage.
[0030] As a preferred embodiment of the present invention, a filter is also provided between the oil pump and the reversing solenoid valve, and the lubricating oil driven by the oil pump 1 flows through the filter for filtering, so as to improve the purity of the lubricating oil and reduce wear in the drive axle . Further, a one-way pressure relief valve is connected in parallel at both ends of the filter 2 to protect the safety of the pipeline between the filter an...
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The invention discloses an intelligent control system for cooling of a drive axle. The system is characterized by comprising an oil pump, a reversing solenoid valve, a radiator, a temperature sensor and a controller; oil outlet of the drive axle is communicated with the oil pump and then connected with an oil inlet of the reversing solenoid valve, a first oil outlet of the reversing solenoid valve is communicated with the radiator and then connected with oil inlets at the two ends of the drive axle, and a second oil outlet of the reversing solenoid valve is connected with the oil inlets at the two ends of the drive axle; the temperature sensor is arranged in an oil outlet of the drive axle to collect the temperature of lubricating oil in the oil outlet; the output end of the temperature sensor is connected with the controller, and the output end of the controller is connected with the control end of the reversing solenoid valve so as to control the on-off state of the reversing solenoid valve. Through the temperature collection, whether the lubricating oil needs to be cooled by means of the radiator is determined, the drive axle is thus in a normal working temperature range, the wear of the drive axle is reduced, and the service life of the drive axle is prolonged.
Description
technical field [0001] The invention relates to a driving axle cooling system, which belongs to the technical field of construction machinery, and in particular to an intelligent control system for driving axle cooling. Background technique [0002] The main function of the drive axle cooling system is to take away the heat generated by the gear meshing friction and the clutch plate friction in the clutch during the operation of the drive axle. When the vehicle works for a long time, brakes frequently or brakes on a long downhill, it will quickly generate a lot of heat. At this time, what the whole machine needs is that the drive axle gear lubricating oil can be kept in the normal working oil temperature range. [0003] Existing construction machinery is equipped with drive axle cooling system through natural heat dissipation (some drive axles are made with multiple fin structures to achieve better heat dissipation), or they are not equipped with drive axle cooling systems. ...
Claims
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IPC IPC(8): B60R17/00
CPCB60R17/00
Inventor 郭彬王振张里丽范小童邢栋章珍齐俊阔
Owner XCMG CONSTR MACHINERY