JPS6289284U

JPS6289284U -

Info

Publication number: JPS6289284U
Application number: JP18192885U
Authority: JP
Priority date: 1985-11-26
Filing date: 1985-11-26
Publication date: 1987-06-08

Description

[Brief explanation of the drawing]

図は本考案の実施例を示し、第１図は走行姿勢
での側面図、第２図は補助作業姿勢での側面図、
第３図は第１図―線、第４図は第２図―
線にそれぞれ沿う拡大断面図である。１……下部走行体、２……上部旋回体、２ａ…
…旋回フレーム、３……ブーム、４……ブーム起
伏シリンダ、５，５……ブームレスト、５１……
固定部材としてのアウタパイプ、５２……ブーム
支持部材としてのインナパイプ、５３……固定手
段としての固定ピン、５１ａ，５２ａ……同ピン
穴。 The figures show an embodiment of the present invention, in which Figure 1 is a side view in a running position, Figure 2 is a side view in an auxiliary working position,
Figure 3 is Figure 1 - line, Figure 4 is Figure 2 -
FIG. 3 is an enlarged cross-sectional view taken along each line. 1... Lower traveling body, 2... Upper revolving body, 2a...
...Rotating frame, 3...Boom, 4...Boom hoisting cylinder, 5,5...Boom rest, 51...
Outer pipe as a fixing member, 52... Inner pipe as a boom support member, 53... Fixing pin as fixing means, 51a, 52a... Pin holes.

Claims

[Scope of utility model registration request]

The upper rotating body provided on the lower rotating body is provided with a boom that is lowered to a substantially horizontal traveling position when the crane is traveling, and between this boom and the upper rotating body, the boom is lowered from the above-mentioned traveling position. A boom hoisting cylinder is provided to raise and lower the boom between a downward position and a maximum upright position during crane operation, and a boom rest is provided on the upper rotating body or the lower traveling body to support the boom when the crane is traveling,
This boom rest includes a fixed member fixed to the upper rotating structure or the lower traveling structure, and a fixed member fixed to the above-mentioned fixed member so as to be movable between an upper position supporting the boom in the above-mentioned traveling position and a lower position. A wheel crane comprising: a boom support member attached to a member so as to be movable up and down; and fixing means for fixing the boom support member to the above-mentioned upper position.