JPS6178199U

JPS6178199U -

Info

Publication number: JPS6178199U
Application number: JP16283684U
Authority: JP
Priority date: 1984-10-26
Filing date: 1984-10-26
Publication date: 1986-05-26

Description

[Brief explanation of the drawing]

第１図は高所作業者の説明図、第２図は従来の
高所作業者のバケツト組立体の水平制御装置の説
明図、第３図は本考案に係る高所作業車のバケツ
ト組立体の水平制御装置の説明図である。車輛；１、起伏用油圧シリンダ；３、ブーム；
４、水平支軸；６、バケツト組立体；７、レベリ
ングシリンダ；８、傾斜検出装置；３１、レベリ
ングシリンダ伸縮制御装置；１０、起伏制御バル
ブ；２７、起伏停止検出スイツチ；２８。 Fig. 1 is an explanatory diagram of a worker working in high places, Fig. 2 is an explanatory diagram of a conventional horizontal control device for a bucket cant assembly for a worker working in high places, and Fig. 3 is a horizontal diagram of a bucket cant assembly of a vehicle for working in high places according to the present invention. It is an explanatory view of a control device. Vehicle; 1. Hydraulic cylinder for luffing; 3. Boom;
4. Horizontal support shaft; 6. Bucket assembly; 7. Leveling cylinder; 8. Inclination detection device; 31. Leveling cylinder extension/contraction control device; 10. Elevation control valve; 27. Elevation stop detection switch; 28.

Claims

[Scope of utility model registration request]

A boom is rotatably mounted on a vehicle and whose elevation is adjusted via a hydraulic cylinder for hoisting that is controlled to expand, contract and stop by a hoisting control valve, and a horizontal section at the tip of the boom that is orthogonal to the plane of the hoisting locus of the boom. A horizontal control device for a bucket cant assembly in an aerial work vehicle comprising a bucket cant assembly for boarding a worker attached via a support shaft, in particular, a horizontal control device for a bucket cant assembly installed between a tip of the boom and a proper position of the bucket cant assembly. a leveling cylinder mounted on the bucket cart assembly for rotating the bucket cart assembly around the horizontal axis; a leveling cylinder attached to the bucket cart assembly that detects when the bucket cart assembly is tilted by a predetermined angle or more from a horizontal state and outputs an electric signal; and a leveling cylinder expansion/contraction control device that expands and contracts the leveling cylinder so as to restore the bucket assembly to a horizontal state under the control of the electric signal from the tilt detection device. In the device, the levitation control valve detects and operates when the levitation hydraulic cylinder is operated to stop, and when activated, the leveling cylinder expands and contracts regardless of the tilted state of the bucket assembly. A horizontal control device for a bucket assembly for workers at heights, comprising a heave stop detection switch arranged to stop the lifting.