Title:
MATERIAL LIFTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/184882
Kind Code:
A1
Abstract:
Disclosed are a material lifting device, comprising: a movable chassis; a fixed mast which is vertically arranged on the movable chassis; a lifting mast which is slidably arranged in the length direction of the fixed mast; a material bracket which is vertically and slidably arranged on the lifting mast and is parallel to the movable chassis; and a power control system which comprises a control box arranged on one side of the fixed portal frame, and a hydraulic cylinder connected to the control box and connected between the bottom end of the fixed mast and the top end of the lifting mast. The power control system further comprises a guide chain mechanism for driving the material bracket to ascend and descend. The guide chain mechanism is arranged in the fixed mast and the lifting mast and located on the two sides of the hydraulic cylinder. The guide chain mechanism on each side comprises a chainwheel arranged at the top end of the lifting mast and a chain engaged with the chainwheel. A first end of the chain is connected to the material bracket, and the second end of the chain is connected to the upper end of the fixed mast. The method saves time and labor, is easy to lift and stable, and has high lifting efficiency, reliability and safety.
Inventors:
MO FEI (CN)
LU JIAHUA (CN)
SHEN HUIHUA (CN)
CAO FENG (CN)
CAO XUDONG (CN)
TANG YI (CN)
TAN TIAN (CN)
GU YUE (CN)
LU JIAHUA (CN)
SHEN HUIHUA (CN)
CAO FENG (CN)
CAO XUDONG (CN)
TANG YI (CN)
TAN TIAN (CN)
GU YUE (CN)
Application Number:
PCT/CN2022/118873
Publication Date:
October 05, 2023
Filing Date:
September 15, 2022
Export Citation:
Assignee:
SHANGHAI INSTALLATION ENG GROUP CO LTD (CN)
International Classes:
B66F9/07; B66F9/08; B66F9/18; B66F9/20; B66F9/22
Foreign References:
| CN114572901A | 2022-06-03 | |||
| CN105197843A | 2015-12-30 | |||
| CN216013915U | 2022-03-11 | |||
| CN205151677U | 2016-04-13 | |||
| CN204310776U | 2015-05-06 | |||
| CN204980040U | 2016-01-20 | |||
| CN203112427U | 2013-08-07 | |||
| CN206232384U | 2017-06-09 | |||
| CN205241171U | 2016-05-18 | |||
| US20080095578A1 | 2008-04-24 |
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