| 摘要 |
<p>A construction machine of the type which has a boom (2) and a bucket (4) as operation members, such as a wheel loader or a showel loader, according to the present invention is provided with an operation speed controller which matches a tilt speed to a boom speed. When a scoop-up operation which repeats alternately the lift of the boom (2) and the tilt of the bucket (4) by the switching operation between the tilt and neutral of only a bucket operation lever (16) by keeping a boom operation lever (15) at a boom kick-out position, the lift speed of the boom (2) is controlled in accordance with the tilt speed of the bucket or with the boom angle so as to match the tilt speed to the boom speed.</p> |
