JPS6162788U

JPS6162788U -

Info

Publication number: JPS6162788U
Application number: JP14491284U
Authority: JP
Priority date: 1984-09-27
Filing date: 1984-09-27
Publication date: 1986-04-28

Description

[Brief explanation of the drawing]

第１図は本考案に係るブーム装置を備えたクレ
ーン車両の斜視図、第２図は同平面図、第３図は
同側面図、第４図は動力部を搭載した場合のクレ
ーン車両の側面図、第５図はアウトリガ装置の配
置説明図、第６図は同側面図、第７図は同一部断
面した底面図、第８図は本考案一実施例の側面図
、第９図は油圧回路図、第１０図はクレーン車両
の作業状態の説明図、第１１図はリンクモーシヨ
ンの説明図、第１２図はクレーン車両の作業状態
の説明図、第１３図は本考案の他の実施例の側面
図、第１４図は同リンクモーシヨンの説明図、第
１５図、第１６図は従来のクレーン車両の説明図
、第１７図、第１８図は同一のブーム作業状態の
説明図である。３０は主ブーム起伏シリンダ、３３は主ブーム
構体、３４は補ブーム構体、４４は補ブーム起伏
シリンダ、５２，５３は主ブーム伸縮シリンダ、
５５，５６は補ブーム伸縮シリンダ。 Figure 1 is a perspective view of a crane vehicle equipped with a boom device according to the present invention, Figure 2 is a plan view of the same, Figure 3 is a side view of the same, and Figure 4 is a side view of the crane vehicle when a power section is mounted. Fig. 5 is an explanatory diagram of the arrangement of the outrigger device, Fig. 6 is a side view of the same, Fig. 7 is a bottom view of the same partially cut away, Fig. 8 is a side view of an embodiment of the present invention, Fig. 9 is a hydraulic pressure Circuit diagram, Fig. 10 is an explanatory diagram of the working state of the crane vehicle, Fig. 11 is an explanatory diagram of the link motion, Fig. 12 is an explanatory diagram of the working state of the crane vehicle, and Fig. 13 is an illustration of another implementation of the present invention. A side view of the example, Fig. 14 is an explanatory diagram of the same link motion, Figs. 15 and 16 are explanatory diagrams of a conventional crane vehicle, and Figs. 17 and 18 are explanatory diagrams of the same boom working state. be. 30 is a main boom hoisting cylinder, 33 is a main boom structure, 34 is an auxiliary boom structure, 44 is an auxiliary boom hoisting cylinder, 52 and 53 are main boom telescopic cylinders,
55 and 56 are auxiliary boom telescoping cylinders.

Claims

[Scope of utility model registration request]

A main boom structure 3 having a boom body that is movably provided on the vehicle body 1 and that extends and contracts in multiple stages.
3, a main boom hoisting cylinder 30 that is provided on the vehicle body 1 and operates the hoisting operation of the main boom structure 33;
Main boom telescoping cylinders 52 and 53 are provided on the main boom structure 33 and operate the telescoping operation of the boom body, and main boom telescoping cylinders 52 and 53 are provided on the foremost boom body of the main boom structure 33 so as to be movable and extend and retract in multiple stages. An auxiliary boom structure 34 having a boom body; an auxiliary boom hoisting cylinder 44 provided on the foremost boom body of the main boom structure 33 to operate the hoisting motion of the auxiliary boom structure 34; Auxiliary boom telescoping cylinder 5 that operates the telescoping operation of the boom body
5. A boom device for a crane vehicle, characterized by comprising: 5, 56.