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A control method for construction machinery and construction machinery

A technology of construction machinery and control methods, applied in mechanical equipment, transmission control, components with teeth, etc., can solve the problems of clutch parts damage, affecting driving safety, etc., and achieve the effect of preventing damage and ensuring driving safety.

Active Publication Date: 2022-04-12
SHANTUI CONSTR MASCH CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a control method for construction machinery and construction machinery to solve the problem that construction machinery in the related art only sends out an alarm when it detects a fault in the gear solenoid valve or direction solenoid valve, which easily affects driving safety. , and easily lead to the problem of damage to clutch components

Method used

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  • A control method for construction machinery and construction machinery
  • A control method for construction machinery and construction machinery
  • A control method for construction machinery and construction machinery

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Embodiment Construction

[0038] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention involves the field of construction machinery technology, and a specific way to control the control method and construction machinery of construction machinery. The control method of this engineering machinery includes confirming the current gear failure and analyzing the cause of the failure;If a failure occurs, the automatic shifting process is performed; the automatic shifting process includes: the current gear is a low gear, a mid -gear or a high gear; if the current gear is the middle gearWhether the solenoid valve is normal; if the gear valve in the low gear is normal, the transmission is reduced to the low gear.The control method of this construction machinery, when judging the middle gear failure due to failure caused by the inhroboine valve in the middle gear, the controller actively intervened and switched the middle gear to a normal low gear to ensure driving safety.And prevent clutch components from damaging.

Description

technical field [0001] The invention relates to the technical field of engineering machinery, in particular to a control method for engineering machinery and the engineering machinery. Background technique [0002] Construction machinery, such as electronically controlled bulldozers, often have some faults during the working process, and these faults can be detected and alarmed by corresponding sensors. [0003] Taking the travel control system that has the greatest impact on the vehicle as an example, the electrical failure of the travel control system is generally the fault of the gear solenoid valve related to gear shifting. Specifically, according to the mechanical structure of the gearbox, there must be a gear clutch and a direction clutch filled with oil at the same time before the gearbox can operate, otherwise the gearbox mechanism has no action response. gear, reverse 1st gear, reverse 2nd gear and reverse 3rd gear, the clutches of each gear are controlled by corre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H61/12
CPCF16H61/12F16H2061/1264F16H2061/1224
Inventor 陈莉胡滨王涛卫孔海龙高祥超
Owner SHANTUI CONSTR MASCH CO LTD
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