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Information management system for construction machine

A technology of information management device and construction machinery, which is applied in measuring devices, earthmoving machines/shovels, instruments, etc., to achieve the effect of efficient fault diagnosis

Active Publication Date: 2012-11-21
NIHON KENKI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to identify whether there is an abnormality in the equipment from the measurement results when the equipment is controlled in this way.

Method used

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  • Information management system for construction machine
  • Information management system for construction machine
  • Information management system for construction machine

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Experimental program
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Embodiment Construction

[0084] Embodiments of the present invention will be described below using the drawings.

[0085] Hereinafter, an embodiment of the present invention will be described by taking a hybrid hydraulic excavator as an example of a construction machine.

[0086] ~Structure of Hydraulic Excavator~

[0087] figure 1 It is a side view of a hybrid hydraulic excavator which is an example of a construction machine equipped with the information management device of the present invention.

[0088] exist figure 1 Among them, the hybrid hydraulic excavator includes: an undercarriage 10 ; an upper revolving unit 20 rotatably provided on the undercarriage 10 ; and an excavation mechanism 30 .

[0089] The undercarriage body 10 consists of a pair of crawler belts 11a, 11b and crawler belt supports 12a, 12b (in figure 1 Only one side is shown in the figure), a pair of left and right traveling hydraulic motors 13a, 13b for independently driving and controlling each crawler belt 11a, 11b, and a ...

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PUM

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Abstract

The present invention provides an information management system suitable for a construction machine, which drives a solenoid valve separately from normal control to thereby make it possible to perform failure diagnosis for the solenoid valve and each sensor easily and with satisfactory accuracy. A controller(14) has a failure diagnosis mode selected by a control panel(15a) of a display device(15). When the failure diagnosis mode is selected by the control panel and instructions for failure diagnosis related to a specific solenoid valve of a plurality of solenoid valves(63a,63b,65a,65b) are given, the controller(14) outputs a failure diagnosis drive signal to the specific solenoid valve, inputs an output value from a sensor related to the specific solenoid valve among a plurality of sensors, and displays, based on the output value from the specific sensor, information as to whether the specific solenoid valve(63a,63b,65a,65b) and the specific sensor are normal on a display device(15).

Description

technical field [0001] The present invention relates to an information management device of a construction machine such as a hydraulic excavator, and more particularly to an information management device of a construction machine having an electro-hydraulic system including a plurality of sensors, a hydraulic system including a plurality of electromagnetic valves, and a controller . Background technique [0002] In construction machines such as hydraulic excavators, a high-resolution monitor is mounted in the cab to display various information. In addition, a controller for inputting various state signals of the vehicle body is mounted on the construction machine, and various states of the vehicle body can be grasped through the controller. [0003] An information management device described in Patent Document 1 is an apparatus for diagnosing equipment abnormalities and the like using such a monitor and a controller. [0004] In the information management device described ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F9/20E02F9/22E02F9/26G01R31/72
CPCE02F9/2095G01R31/06E02F9/123E02F9/267G01R31/2829G01R31/72E02F9/20E02F9/2267E02F9/2278E02F9/26G01D21/00
Inventor 大木孝利石川广二佐竹英敏西川真司
Owner NIHON KENKI CO LTD
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