Title:
LOADING-TYPE TRUCK CRANE AND BOOM LIMIT ROTATION ANGLE CALCULATION METHOD
Document Type and Number:
Japanese Patent JP2021169351
Kind Code:
A
Abstract:
To provide a loading-type truck crane capable of improving safety.SOLUTION: The loading-type truck crane comprises: an outrigger device including right and left outriggers expandable/contractible in a vehicle width direction of a vehicle and mounted on the vehicle; a boom rotatably mounted on the vehicle; and a rotation angle calculation device for calculating a boom limit rotation angle on the basis of the jack reactive force of a reverse overturn outrigger which is, of the right and left outriggers, an outrigger disposed oppositely to the boom in the vehicle width direction in a state where the boom is rotated from a reference position.SELECTED DRAWING: Figure 3
Inventors:
YAMASHITA HIROMASA
Application Number:
JP2020072544A
Publication Date:
October 28, 2021
Filing Date:
April 14, 2020
Export Citation:
Assignee:
TADANO LTD
International Classes:
B66C23/88
Attorney, Agent or Firm:
Washeda International Patent Office