JPS6146989U - mobile crane - Google Patents

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第４図は、本考案の移動式クレーンを示し、
第１図は全体の側面図、第２図は第１図の八部拡大図、
第３図は第２図のＢ方向から見た矢視図、第４図は通常
の作業を行なう状態の全体の側面図、第５図及び第６図
は従来の移動式クレーンの一例を示し、第５図は通常の
作業を行なう状態の全体の側面図ミ第６図は下ブームだ
けで作業を行なう状態の側面図、第７図り別の従来例の
側面図である。 １・・・クレーン本体、２ａ・・・下ブーム、４・・・
巻上ロープ、１２・・・ブラケット、１３・・・ベアリ
ング、１４・・・固定部材、２０・・・シーブ。1 to 4 show the mobile crane of the present invention,
Figure 1 is an overall side view, Figure 2 is an enlarged view of 8 parts of Figure 1,
Fig. 3 is a view taken from direction B in Fig. 2, Fig. 4 is an overall side view of the state in which normal work is performed, and Figs. 5 and 6 show an example of a conventional mobile crane. , FIG. 5 is a side view of the entire machine in a state in which normal work is performed, FIG. 6 is a side view in a state in which work is performed only with the lower boom, and FIG. 7 is a side view of another conventional example. 1... Crane body, 2a... Lower boom, 4...
Hoisting rope, 12... Bracket, 13... Bearing, 14... Fixing member, 20... Sheave.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブームが分割可能なクレーンにおいて、クレーン本体に
支持された下ブームの先端面に、ブーム長手力向を中止
軸としてブラケットを回動可能に取付け、該ブラケット
に複数のシーブを取付けると共に、前記ブラケットとシ
ーブとのアセンブリの全長を、前記下ブームの先端面の
対角線長さよりも短くしたことを特徴とする移動式クレ
ーン。In a crane with a splittable boom, a bracket is rotatably attached to the tip surface of the lower boom supported by the crane body, with the longitudinal force direction of the boom as an axis, and a plurality of sheaves are attached to the bracket, and a plurality of sheaves are attached to the bracket. A mobile crane characterized in that the total length of the assembly with the sheave is shorter than the diagonal length of the tip surface of the lower boom.