Construction target indicator device
First Claim
1. A device (30) for giving indications to the operator of a work machine, characterized in comprising:
- a measurement device (20) for measuring the position of a construction surface, which is a current work object, and the position of other objects located in the vicinity of said construction surface, while said work machine is performing work;
a reference point detection unit (102) for detecting reference points corresponding to reference markers disposed in the vicinity of said construction surface, from the positions of the construction surface and the other objects measured by said measurement device;
a virtual line calculation unit (104) for calculating a virtual line corresponding to a target surface that is to be formed, on the basis of said reference points detected by said reference point detection unit;
a display data creation unit (110) for creating display data for displaying images indicating the positions of at least said construction surface and said virtual line, on the basis of said positions measured by said measurement device and said virtual line calculated by said virtual line calculation unit; and
a display device (34) for receiving said display data from said display data creation unit and displaying said images on a display screen.
1 Assignment
0 Petitions
Accused Products
Abstract
A construction target indicator device 30 presents information to the operator of a construction machine 1 in order to facilitate the operation thereof. In the construction target indicator device 30, a laser distance measurement device 20 disposed in the operator'"'"'s cabin of the construction machine 1 automatically measures the real-time positions of a construction surface 15, reference markers 17 and a bucket 6. A calculation device 32 calculates the cross-sectional shapes of the construction surface 15 and the bucket 6, calculates a virtual line corresponding to a target sloped surface, and creates an image which depicts the cross-sectional shapes of a construction surface 15 and a bucket 6, and a virtual line. The display device 34 displays this image on the display screen. The operator is able to perform accurate excavation work by moving the bucket 6 in line with the virtual line on the display image.
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Citations
14 Claims
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1. A device (30) for giving indications to the operator of a work machine, characterized in comprising:
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a measurement device (20) for measuring the position of a construction surface, which is a current work object, and the position of other objects located in the vicinity of said construction surface, while said work machine is performing work;
a reference point detection unit (102) for detecting reference points corresponding to reference markers disposed in the vicinity of said construction surface, from the positions of the construction surface and the other objects measured by said measurement device;
a virtual line calculation unit (104) for calculating a virtual line corresponding to a target surface that is to be formed, on the basis of said reference points detected by said reference point detection unit;
a display data creation unit (110) for creating display data for displaying images indicating the positions of at least said construction surface and said virtual line, on the basis of said positions measured by said measurement device and said virtual line calculated by said virtual line calculation unit; and
a display device (34) for receiving said display data from said display data creation unit and displaying said images on a display screen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A device (30) for giving indications to the operator of a construction machine having a work machine, characterized in comprising:
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a measurement device (20), which is installed on said construction machine in such a manner that said measurement device moves or turns direction in unison with said work machine, when said construction machine moves or said work machine turns direction, and which measures the positions of the construction surface forming the current work object and other objects located in the vicinity of said construction surface, while said work machine is performing work;
a reference point detection unit (102) for detecting reference points corresponding to reference markers disposed in the vicinity of said construction surface, from the positions of the construction surface and the other objects measured by said measurement device;
a virtual line calculation unit (104) for calculating a virtual line corresponding to a target surface that is to be formed, on the basis of said reference points detected by said reference point detection unit;
a display data creation unit (110) for creating display data for displaying images indicating the positions of at least said construction surface and said virtual line, on the basis of said positions measured by said measurement device and said virtual line calculated by said virtual line calculation unit; and
a display device (34) for receiving said display data from said display data creation unit and displaying said images on a display screen.
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14. A method for giving indications to the operator of a work machine, characterized in comprising the steps of:
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measuring the position of a construction surface, which is a current work object, and the position of other objects located in the vicinity of said construction surface, while said work machine is performing work;
detecting reference points corresponding to reference markers disposed in the vicinity of said construction surface, from the measured positions of the construction surface and the other objects;
calculating a virtual line corresponding to a target surface that is to be formed, on the basis of said detected reference points; and
creating an image indicating the positions of at least said construction surface and said virtual line, on the basis of said measured position and said calculated virtual line, and displaying said image on the display screen.
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Specification