Title:
MOBILE CRANE
Document Type and Number:
Japanese Patent JP2018184248
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a mobile crane comprising a deflection control device, the mobile crane ensuring safety performance.SOLUTION: A mobile crane 1 comprises a travelling vehicle 10, a telescopic boom 22 attached to the travelling vehicle 10 in a derricking manner, a mast 30 vertically arranged in a base boom member 22a of the telescopic boom 22, and a tension rope 40 stretched between a base end part and a distal end part of the telescopic boom 22 through the mast 30, in which the mast 30 is connected to the base boom member 22a rotatably about rotating shafts 51a, 52a which are substantially parallel to a longitudinal direction of the base boom member 22a, and the mast 30 can switch between a deflection control posture where it is rotated at an angle projecting to a back X-side of the base boom member 22a and an outrigger posture where it is projected to a front Y-side of the base boom member 22a and a wheel 53 at the distal end part of the mast 30 is grounded to the ground.SELECTED DRAWING: Figure 3
Inventors:
KANDA SHINSUKE
YAMAUCHI KOJI
MIZOBUCHI HIROKI
ISHIHARA NAOKI
SHINDO MASAKI
YAMAUCHI KOJI
MIZOBUCHI HIROKI
ISHIHARA NAOKI
SHINDO MASAKI
Application Number:
JP2017086230A
Publication Date:
November 22, 2018
Filing Date:
April 25, 2017
Export Citation:
Assignee:
TADANO LTD
International Classes:
B66C23/42; B66C23/78
Attorney, Agent or Firm:
Yanouchi Foreign Patent Office