Title:
CRUSHER, SPEED CONTROL METHOD OF CRUSHING DEVICE, AND SPEED CONTROL PROGRAM OF CRUSHING DEVICE
Document Type and Number:
Japanese Patent JP2022140398
Kind Code:
A
Abstract:
To return a crushing device to a normal driving state at a proper timing when the crushing device is shifted to a lower speed driving speed for energy saving.SOLUTION: A crusher includes: a speed variable type crushing device; a supply device; an input detection part; and a control unit. The supply device supplies a crushed object to the crushing device. The input detection part detects the crushed object being input to the supply device. The control unit performs switching control in which a speed of the crushing device is switched between a first speed set when the crushed object is crushed and a second speed which is lower than the first speed. When the input detection part detects the crushed object being input, the control unit switches the speed of the crushing device from the second speed to the first speed.SELECTED DRAWING: Figure 2
Inventors:
ISHIBASHI NORIFUMI
Application Number:
JP2022037053A
Publication Date:
September 26, 2022
Filing Date:
March 10, 2022
Export Citation:
Assignee:
EARTH TECHNICA KK
International Classes:
B02C25/00; B02C1/04
Attorney, Agent or Firm:
Naoki Katsura