JPS5887790U

JPS5887790U - mobile crane

Info

Publication number: JPS5887790U
Application number: JP11047182U
Authority: JP
Inventors: 石田　定文
Original assignee: 株式会社多田野鉄工所
Priority date: 1982-07-20
Filing date: 1982-07-20
Publication date: 1983-06-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図および第２図は、本考案の移動式クレーンの説明
図である。車輌；Ｂ、　旋回台；Ｃ１折畳み式ブーム＋、Ａ　％基
ブームセクション；１、折畳みブームセクション；２、
支軸；１０、油圧シリンダ；１１、折返し滑車；２２、
　。1 and 2 are explanatory views of the mobile crane of the present invention. Vehicle; B, Swivel platform; C1 folding boom +, A % base boom section; 1, Folding boom section; 2,
Support shaft; 10, hydraulic cylinder; 11, folding pulley; 22,
.

Claims

[Scope of utility model registration request]

A base boom section whose base end is connected to a swivel base rotatably mounted on a vehicle so as to be adjustable in elevation, and a gooseneck section at the tip, which is reversed from the underside of the base boom section along the base boom section. A folding boom whose base end is pivotally connected to the distal end of the base boom section via a support shaft so as to be able to rotate between a folded position and an unfolded position, and which is rotationally driven by a hydraulic cylinder. A mobile crane equipped with a folding boom consisting of sections, wherein a folding pulley is provided on or near the spindle for pivotally connecting the base boom section and the folding boom section of the folding boom, and the folding pulley is provided on or near the spindle; A pulley is installed on the gooseneck section at the tip of the folding boom section, and a wire rope pulled out from a winch installed on the swivel base is connected to the lower side of the base boom section, the folding pulley, the lower side of the folding boom section in the unfolded position, and the wire rope pulled out from the winch installed on the swivel base. A mobile crane characterized in that the boom section is pulled out from the tip of the folding boom section via the pulley of the gooseneck portion at the tip of the boom section, and the hook is suspended by the wire rope.