Two-set linkage screw jack system can be "L", I and T configuration.  It usually consists bevel gearbox, screw jack, electric motor, gear reducer, hand wheel, pillow block bearing, jaw coupling, line shafting.

The screw jack linkage design is to connect more than two sets of screw jacks together through couplings, connecting rods and with motor other accessories. The arrangement of the combined screw jacks can be customized according to needs.The common arrangements are shown in the figure below

Screw Jack for Sluice Gate Worm gear screw jacks are used for rivers, canals, power station sluice gate lifting projects. The jack screw used is trapezoidal screw, because it has self-lock function. And trapezoidal screw jack is suitable for heavy load and slow speed. It can be manual or electric driven according to detailed need.