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Engineering machinery health monitoring method and remaining life estimation method and system

A technology for construction machinery and health monitoring, which is applied in the direction of measuring devices, instruments, design optimization/simulation, etc., and can solve problems such as difficulties in remaining life estimation and construction machinery health monitoring

Pending Publication Date: 2021-01-05
ZOOMLION HEAVY IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a health monitoring method for construction machinery, a method and system for estimating remaining life, which solves the difficulties in health monitoring and estimation of remaining life of construction machinery caused by the difficulty in obtaining the fatigue of working devices through existing load analysis and other technical issues

Method used

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  • Engineering machinery health monitoring method and remaining life estimation method and system
  • Engineering machinery health monitoring method and remaining life estimation method and system
  • Engineering machinery health monitoring method and remaining life estimation method and system

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Experimental program
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Embodiment 1

[0067] An embodiment of the present invention provides a health monitoring method for construction machinery, the health monitoring method includes:

[0068] S1) Acquiring data on the size of the eccentric load near the hinge point at the junction of the boom and the stick in the working device of the construction machinery, and obtaining data on the size of the load of the operating drive equipment in the working device;

[0069] S2) Determine the lifetime damage value of the working device according to the load size data and the eccentric load size data.

[0070] In some implementations, construction machinery may include crawler excavators and / or wheeled excavators, such as figure 1 , crawler excavators can generally include chassis system 1, boarding system 2, boom cylinder 3, boom 4, stick cylinder 5, stick 6, bucket cylinder 7, rocker 8, connecting rod 9 and bucket 10 and other main components. For obtaining the above-mentioned eccentric load size data and load size da...

Embodiment 2

[0121] The embodiment of the present invention and the embodiment belong to the same inventive concept, and the embodiment of the present invention provides a health monitoring system for construction machinery, and the health monitoring system includes:

[0122] The obtaining module is used to obtain the eccentric load size data near the hinge point of the connection between the boom and the stick in the working device of the construction machinery, and obtain the load size data of the operation driving equipment in the working device;

[0123] A damage determination module, configured to determine the lifetime damage value of the working device according to the load size data and the eccentric load size data.

[0124] Specifically, the health monitoring system also includes:

[0125] The remaining life estimating module is used to obtain the total life value of the construction machine, and deduct the life damage value from the total life value to obtain the remaining life v...

Embodiment 3

[0144] The embodiment of the present invention and embodiments 1 to 2 all belong to the same inventive concept. The embodiment of the present invention provides a sensing device for health monitoring of construction machinery, which can be used in the health monitoring method for construction machinery in embodiment 1. equipment for implementation, the sensing equipment includes:

[0145] The first sensor is connected to the aforementioned electronic equipment and is configured on the front fork of the boom of the engineering machinery for transmitting the first sensing signal to the electronic equipment, wherein the first sensor includes a pressure sensor, a strain sensor or a torque sensor, the first sensing signal can be a pressure sensing signal, a strain sensing signal or a torque sensing signal accordingly;

[0146] The second sensor is connected to the electronic equipment and is arranged on the turntable main valve of the engineering machinery or on the hydraulic pipel...

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Abstract

The invention provides an engineering machinery health monitoring method and a residual life estimation method and system, and belongs to the technical field of engineering machinery monitoring. The method comprises the steps of obtaining unbalance loading size data near a hinge point of the joint of a movable arm and a bucket rod in a working device of the engineering machine, and obtaining loadsize data of operation driving equipment in the working device; and determining a life damage value of the working device according to the load size data and the unbalance loading size data. The method is used for health monitoring and residual life evaluation of the working device.

Description

technical field [0001] The present invention relates to the technical field of construction machinery monitoring, in particular to a health monitoring method for construction machinery, a method for estimating the remaining life of construction machinery, a health monitoring system for construction machinery, and an electronic device , a sensing device for health monitoring of construction machinery, a construction machinery and a computer-readable storage medium. Background technique [0002] Construction machinery usually includes excavators and loaders, etc. Excavators and loaders are equipped with working devices. The working devices generally have booms, buckets, and oil cylinders for operating drives. For the working devices of excavators, booms, Composed of sticks, buckets, and drive cylinders, these components or working devices as a whole are the key load-bearing structural parts of the hydraulic excavator, and are directly implemented by the hydraulic excavator to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G01D21/02G06F119/02G06F119/14
CPCG06F30/20G01D21/02G06F2119/02G06F2119/14
Inventor 吴达鑫刘国伟马营利谭海刚袁勇
Owner ZOOMLION HEAVY IND CO LTD