Model DBZ-F electric push-rod pillar type spiral arm crane is designed according to customers' requests. The parts of this machine are made of stainless steel, so this machine is suitable for places with corrosive gas. Meanwhile this machine contains explosion-proof electric motor and explosion-proof travel switch, and is also apply to places with explosive mixture.
This machine is made up of fixed pillar\activities pillar\spiral arms\roller unit\motor-driven push-rod and so on, it has the advantages of simple structure, turning portable and flexible, can rotate 300 degree, big work space.
Turning of machine' s spiral arms are pulled by humans' hands; Lift of goods is achieved by motor-driven push-rod driving activities pillar sliding in fixed pillar. There is an overload automatic protection device in the motor-driven push-rod, when the lift weight over the rated thrust some numerical value, the push-rod will stop automatically. In this way it has played the role of overload protection so that not to destroy the motor and parts. The explosion travel switch is fixed outside the push-rod, customers can control distance in line with needs, to control push-rod start and stop normally.

