JPS58170384U

JPS58170384U - crane boom

Info

Publication number: JPS58170384U
Application number: JP6548882U
Authority: JP
Inventors: 稲満　広志; 有竹　猛
Original assignee: 日立建機株式会社
Priority date: 1982-05-07
Filing date: 1982-05-07
Publication date: 1983-11-14

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

Description

[Brief explanation of drawings]

第１図は従来のクレーンブームを備えたクローラクレー
ンの側面図、第２図は第１図における継ぎブーム同志の
連結部を示す側面図、第３図は第２図の■−■矢視断面
図、第４図は本考案のクレーンブームにおける継ぎブー
ム同志を連結している継手部の部分平面図である。３・・・クレーンブーム、３Ａ・・・下ブーム、３Ｂ・
・・上ブーム、３Ｃ・・・継ぎブーム、１４・・・継手
、１４Ａ・・・ア、イエンド１．１４Ｂ・・・ホークエ
ンド、１４Ｃ・・・ヒ：／Ｊｌ、、１４Ｄ・・・連結ピ
ン、１４Ｅ・・・抜は止めピン、１５・・・索条。Fig. 1 is a side view of a crawler crane equipped with a conventional crane boom, Fig. 2 is a side view showing the joints between the joint booms in Fig. 1, and Fig. 3 is a cross section taken along the ■-■ arrow in Fig. 2. FIG. 4 is a partial plan view of a joint portion connecting joint booms in the crane boom of the present invention. 3... Crane boom, 3A... Lower boom, 3B.
...Upper boom, 3C...Joint boom, 14...Joint, 14A...A, end 1.14B...Hawk end, 14C...H:/Jl,, 14D...Connection pin , 14E... Removal stop pin, 15... Cable.

Claims

[Scope of utility model registration request]

It comprises a lower boom, an upper boom, a joint boom that is added between both booms, and a joint that connects each boom, and the joint has an eye end, a hawk end that fits the eye end, and a pin hole drilled in both. What is claimed is: 1. A crane boom comprising a connecting pin that is fitted into a unit boom, wherein each connecting pin of the joint is connected to the unit boom via a cable.