JPS6356185U

JPS6356185U -

Info

Publication number: JPS6356185U
Application number: JP15055886U
Authority: JP
Priority date: 1986-09-30
Filing date: 1986-09-30
Publication date: 1988-04-14

Description

[Brief explanation of the drawing]

第１図Ａ，Ｂは本考案の実施例を示す状態説明
図、第２図は第１図Ａの―矢視拡大図、第３
図はブーム中吊りを必要としない場合を示す状態
説明図、第４図は第３図の―矢視拡大図、第
５図Ａ，Ｂは従来例を示す状態説明図である。１は下部走行体、２は上部旋回体、３はＡフレ
ーム、４はマスト、５はマスト付クレーン、７は
ブーム、９は主ペンダント、１０は中吊りペンダ
ント、１１はＡフレームヨーク、１３はワイヤロ
ープ、１５，１６，２３，２４，２５はシーブ、
１７はシーブブロツク、２０はイコライザ、２１
，２２はガイドシーブを示す。 Figures 1A and B are state explanatory diagrams showing an embodiment of the present invention, Figure 2 is an enlarged view of Figure 1A in the - arrow direction, and Figure 3
The figure is a state explanatory diagram showing a case where suspension in the boom is not required, FIG. 4 is an enlarged view of FIG. 1 is the lower traveling body, 2 is the upper rotating body, 3 is the A frame, 4 is the mast, 5 is the crane with mast, 7 is the boom, 9 is the main pendant, 10 is the suspended pendant, 11 is the A frame yoke, 13 is Wire rope, 15, 16, 23, 24, 25 are sheaves,
17 is a sheave block, 20 is an equalizer, 21
, 22 indicates a guide sheave.

Claims

[Scope of utility model registration request]

An equalizer in which an A-frame yoke having a sheave is pivotally attached to the upper end of an A-frame provided on an upper revolving body, and a sheave and a sheave block are removably housed at the upper end of a mast provided on the upper revolving body so as to be able to rise and fall freely. A guide sheave is provided at a required position on the upper part of the mast, a main pendant is stretched between the upper end of the mast and the tip of the boom, and a wire rope let out from a hoisting drum is sequentially routed around the sheave and the sheave block, A crane with a mast, characterized in that a wire rope is hung over the guide sheave when the sheave block is pulled out, and the sheave block and a required position in the center of the boom can be connected by a mid-hanging pendant. Boom suspension device.