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Hewers' Helper / gasbag

Hewers' Helper
Hewers' Helper

People seldom paid attention to the underlying workers. Hewers's helper can help coal workers flat the coal in boxcars through a green and efficient way.
Hewers's helper is an airbag in the bottom of a boxcar. When the coal are added to the expected amount by conveyor, the airbag can automatically deflate to flat the surface.


Zhejiang University

Zhejiang University
Hangzhou, China


Zhejiang University

Zhejiang University
Hangzhou, China

HUANG Yunlei ZHOU Xiang CHEN Xiaowei LU Nannan