Komatsu Corporation

Noriyuki Yoshida

Hiroyuki Umeda

Gosuke Nakashima

A movable wood crushing machine according to the present invention comprises a vehicle bodywith a travel device provided therein; a rotary crushing deviceprovided at an edge of this vehicle body in the traveling direction for crushing the wood into wood chips; a tab-type feederprovided on this rotary crushing device with an charging opening for charging wood to be crushed formed in an upper section thereof; a conveyerextending from a position under the rotary crushing devicein the traveling direction of the vehicle body toward the other edge section of the vehicle body in the traveling direction for transferring and discharging wood chips crushed by the rotary crushing deviceto the outside; and a drive unitprovided between the rotary crushing deviceand the conveyerfor driving drive sources for the travel devicethe rotary crushing devicethe tab-type feederand the conveyer

Mobile wood crusher

A rotary crushing apparatus having a hydraulic motor for driving a crusher includes a load detector for detecting a loading state of the hydraulic motor, a load judging device for judging the loading state of the hydraulic motor, a feeding amount controller that stops a feeding of an object to be crushed by a feeder when the load judging device judges as overloaded or that starts the feeding of the object to be crushed by the feeder when the load judging device judges as underloaded, and a motor capacity controller that changes a capacity of a capacity-variable motor to a large capacity when the load judging device judges as overloaded. Since the capacity of the hydraulic motor is switched to the large capacity when the feeder is stopped, it is possible to crush wood in the crusher with high torque and to reduce the load in order to recover to a former state in a short time.

Crushing apparatus

A travel control device of a self-propelled recycle machine includes: a mode selection meansadapted to select a work mode and a travel mode; a travel operation means for operating a drive of a base carrier, and a controller for controlling drives of the base carrier and a crusher or a soil improvement machine, the controller including: a mode judging meansfor judging a mode selected by the mode selection means; a travel operation signal detecting meansfor detecting a travel operation signal from the travel operation means; and a work mode control meansfor controlling the drive of the base carrier, when it is judged that the work mode is selected and when the travel operation signal is detected, based on the travel operation signal while driving the crusher or the soil improvement machine.

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Hirakata, Japan

Noriyuki Yoshida