Shovel
A technology for excavators and cameras, applied to mechanically driven excavators/dredgers, etc., can solve problems such as complicated wiring of power cables and signal cables, troublesome maintenance, etc.
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[0020] figure 1 It is a side view of the shovel (excavator) according to the embodiment of the present invention. The upper revolving body 3 is rotatably mounted on the lower traveling body 1 of the shovel via the revolving mechanism 2 . A boom 4 is attached to the upper revolving body 3 . An arm 5 is attached to the tip of the boom 4 , and a bucket 6 as an end attachment is attached to the tip of the arm 5 .
[0021] Boom 4 , arm 5 , and bucket 6 constitute excavation attachments as examples of attachments, and are hydraulically driven by boom cylinder 7 , arm cylinder 8 , and bucket cylinder 9 , respectively. A boom angle sensor S1 is attached to the boom 4 , an arm angle sensor S2 is attached to the arm 5 , and a bucket angle sensor S3 is attached to the bucket 6 .
[0022] The boom angle sensor S1 detects the rotation angle of the boom 4 . In this embodiment, the boom angle sensor S1 is an acceleration sensor that detects the rotation angle of the boom 4 relative to th...
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