JPS61193988U

JPS61193988U -

Info

Publication number: JPS61193988U
Application number: JP7652685U
Authority: JP
Priority date: 1985-05-24
Filing date: 1985-05-24
Publication date: 1986-12-03

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す作業状態の側
面図、第２図は第１図の折畳み走行、運搬姿勢を
示す側面図、第３図は第２図の状態における走行
移動説明図、第４図は従来例を示す作業状態の側
面図、第５図は第４図の折畳姿勢の側面図、第６
図は第５図の走行移動説明図である。１：走行車体、３：上部旋回体、４：ロアブー
ム、６：伸縮ミドルブーム、１１：伸縮トツプブ
ーム、５，７，１２：第１、第２、第３シリンダ
。 Fig. 1 is a side view showing an embodiment of the present invention in a working state, Fig. 2 is a side view showing the folding and transporting posture of Fig. 1, and Fig. 3 is an explanatory view of the traveling movement in the state shown in Fig. 2. , FIG. 4 is a side view of the conventional example in a working state, FIG. 5 is a side view of the conventional example in the folded position, and FIG.
The figure is an explanatory diagram of the traveling movement of FIG. 5. 1: traveling vehicle body, 3: upper revolving structure, 4: lower boom, 6: telescopic middle boom, 11: telescopic top boom, 5, 7, 12: first, second, third cylinders.

Claims

[Scope of utility model registration request]

In a mobile crane vehicle equipped with an upper revolving body that is rotated on a moving vehicle body, a lower boom that is operated to be raised and lowered is pivotally mounted on the upper revolving body, and a telescopic middle boom that is operated to be raised and lowered is pivoted and connected to the lower boom. 1. A mobile crane vehicle, characterized in that a telescoping top boom, which can be raised and lowered, is pivotally connected to and connected to the telescoping middle boom.