Assembly and structural types of SWL worm gear screw jack
1. Structural type of SWL screw lift
Type 1: A single rod simultaneously rotates and moves axially;
Type 2 threaded rod rotates and the nut on the threaded rod moves axially

2. SWL series screw jack assembly type
Each structural type of elevator is divided into two assembly types:
A-type threaded rod (or nut) moves upwards;
B-type threaded rod (or nut) moves downward


