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Work machine alignment system and method of maintaining alignment of a work machine

A technology for working machinery and alignment systems, applied to control/regulation systems, earth movers/excavators, motor vehicles, etc., which can solve problems such as expensive global positioning systems and complex

Inactive Publication Date: 2006-10-18
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While these positioning methods can improve the accuracy of digging trenches along a straight line, these methods and systems are often complex and include expensive global positioning systems

Method used

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  • Work machine alignment system and method of maintaining alignment of a work machine
  • Work machine alignment system and method of maintaining alignment of a work machine
  • Work machine alignment system and method of maintaining alignment of a work machine

Examples

Experimental program
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Embodiment Construction

[0014] see Figure 1a , which shows a top view of the work machine alignment system 10 according to the present invention with the work machine 11 in a preferred alignment position. The work machine 11 includes a work machine body 12 to which a digging tool 13 is movably connected about a pivot 14 . While excavation tool 13 is preferably a backhoe and work machine 11 is preferably a backhoe loader, it should be appreciated that work machine alignment system 10 may be used with other excavation work machines, including but not limited to bulldozers and excavators. trenchers, and possibly non-pivoting trenchers. It should be appreciated that work machine alignment system 10 can also be used with work machines without pick tools. For example, the present invention is contemplated for maintaining a work machine for harvesting crops aligned with a predetermined harvesting path as the work machine travels through a field of crops.

[0015] Backhoe loader 11 is to operate along a p...

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PUM

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Abstract

Maintaining alignment of a work machine with a predetermined work machine path over a relatively lengthy distance can be difficult. In order to maintain alignment of a work machine with a predetermined work machine path, the present disclosure includes a work machine alignment system that includes a laser generator operable to produce a laser vertical plane parallel to a determined work machine path, and a laser receiver group operable to sense a position of the laser vertical plane within a horizontal laser sensing width of the laser receiver group. One of the laser receiver group or the laser generator is attached to a work machine body of the work machine at a fixed location. The laser receiver group is in communication with an electronic control module that includes a work machine alignment assistance algorithm.

Description

technical field [0001] The present invention relates generally to the control of work machines, and more particularly to a method and system for maintaining a work machine in alignment with a predetermined work machine path. Background technique [0002] In some cases, the operator of a work machine must maintain alignment of the work machine with a straight line over a relatively long distance. For example, an operator must keep a trenching work machine, such as a backhoe loader, aligned with a predetermined trench path over a relatively long distance. Typically, a surveyor will determine where the ditch begins and ends and mark it with paint or stakes. The operator can then align the backhoe loader at the paint mark or stake at the starting point. Assuming the backhoe loader is not working in a confined space, the operator aligns the axis of a work machine, ie, the centerline of the body of the work machine, with the intended course of the ditch. The operator then align...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/02
CPCG05D1/0236E02F3/437E02F9/26
Inventor R·D·科奇
Owner CATERPILLAR INC
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