JPS6132191U

JPS6132191U - mobile crane

Info

Publication number: JPS6132191U
Application number: JP11580484U
Authority: JP
Inventors: 晴幸森田
Original assignee: 日立建機株式会社
Priority date: 1984-07-28
Filing date: 1984-07-28
Publication date: 1986-02-26

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図はこの考案によるテレス占ピツクブーム付クロー
ラクレーンの一実施例を示す側面図、第２図は従来のラ
チスブーム付クローラクレーンの一例を示す側面図、第
３図は従来のテレスコピックブーム付クローラクレーン
の一例を示す側面図である。１・・・・・・旋回フレーム、２・・・・・・フートピ
ン、４・・・・・・スタンド、５・・・・・・ピン、７
・・・・・・巻上ウインチ、８・・・・・・巻上ロープ
、９・・・・・・フック、１０・・・・・・補巻ウイン
チ（起伏ウインチ）、１１・・・・・・補巻ローブ（起
伏ロープ）、１６・・・・・・テレスコピックブーム、
１７・・・・・・油圧シリンダ、１８・・・・・・補助
ジブ、２０・・・・・・補フック、２２・・・・・・案
内シーブ。Fig. 1 is a side view showing an example of a crawler crane with a telescopic boom according to this invention, Fig. 2 is a side view showing an example of a conventional crawler crane with a lattice boom, and Fig. 3 is a side view showing an example of a conventional crawler crane with a telescopic boom. It is a side view showing an example. 1... Swivel frame, 2... Foot pin, 4... Stand, 5... Pin, 7
...Hoisting winch, 8...Hoisting rope, 9...Hook, 10...Auxiliary hoisting winch (levitation winch), 11... ... Auxiliary rope (levitation rope), 16 ... Telescopic boom,
17... Hydraulic cylinder, 18... Auxiliary jib, 20... Auxiliary hook, 22... Guide sheave.

Claims

[Scope of utility model registration request]

The base end of a telescopic boom with an auxiliary jib connected to the tip is swingably attached to the A-frame foot pin of the stand installed on the swing frame of a mobile crane with a lattice boom, and the base end of the telescopic boom is swingably attached to the A-frame foot pin of the stand installed on the swing frame of a mobile crane with a lattice boom. The base end of a hydraulic cylinder for luffing is swingably connected to the boom foot pin, and the tip of the piston rond of the hydraulic cylinder for luffing is swingably connected to the connecting part of the telescopic boom. A mobile crane, characterized in that a hoisting rope drawn out from a hoisting drum in the mobile crane is suspended from the auxiliary jib as an auxiliary hoisting rope.