Work machine maintenance system

A technology for working machines and maintenance systems, applied in general control systems, control/regulation systems, testing/monitoring control systems, etc., and can solve problems such as high time consumption

Inactive Publication Date: 2004-12-01
NIHON KENKI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the time spent on maintenance and repair is very large

Method used

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Embodiment Construction

[0017] Preferred embodiments of the present invention will be described below with reference to the drawings.

[0018] The configuration, shape, size, and arrangement relationship described in the embodiments are merely schematic descriptions to the extent that the present invention can be understood and implemented. Therefore, the present invention is not limited to the embodiments described below, and various changes can be made without departing from the scope of technical ideas shown in the claims.

[0019] FIG. 1 shows the overall configuration of the maintenance system according to the present invention. In this embodiment, a hydraulic excavator will be described as a working machine. In FIG. 1 , a hydraulic excavator 11 , a maintenance management server 12 , a model category information server 13 , and a mobile phone 14 are shown installed at a work site. These are connected by a network (electrical communication line) 15, and data and the like can be transmitted / rece...

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Abstract

This maintenance system is comprised of a hydraulic excavator (11) provided with a maintenance monitoring device (21), a maintenance management server (12) for managing trouble information and operating information for each working machine, a model information server (13), and a service personnel mobile terminal (14). The maintenance monitor device, the maintenance management server, the model information server, and the mobile terminal are connected through the Internet (15). When trouble occurs in the hydraulic excavator, the maintenance system (21) transmits trouble information to the maintenance management server (12), and the maintenance management server (12) transmits information on occurrence of trouble to the mobile terminal (14) and displays it on a display unit. This system manages the maintenance manuals and other data for each model in a model information database separate from the maintenance database and correlates the two databases based on the model data. This enables centralization of the maintenance work, reduces the work time for maintenance and repair, and raises the maintenance efficiency.

Description

technical field [0001] The present invention relates to a maintenance system for machine tools, and in particular to a system for monitoring the failure of engines, hydraulic pumps, hydraulic motors, operating mechanisms, or parts of hydraulic excavators, etc. Maintenance systems for working machines. Background technique [0002] Conventionally, in the fault diagnosis of construction machinery placed at the work site, the maintenance worker who performed the fault diagnosis usually went to the site, performed incidental work such as dismantling the exterior of the construction machine, and performed spot checks such as continuity checks for various sensors, and then , according to the inspection results, and refer to the repair manual, and judge the fault location and cause of the fault based on the experience and knowledge of the maintenance personnel. Next, the maintenance worker is asked to carry out fault repair according to the result of the fault diagnosis and the re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02G06Q10/00G06Q50/00G06Q50/08G06Q50/10H04B7/26H04W4/00H04W88/18
CPCG05B23/0272G06Q50/08
Inventor 柴田浩一渡边洋杉山玄六足立宏之
Owner NIHON KENKI CO LTD
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