Three Screw Jacks Systems Arrangement

Three Screw Jacks Systems Arrangement, also named A three point lift system that was devised using three screw jacks, bevel gearboxes, couplings and drive shafts. The system was designed to be quick and easy to use by hand operation while being self-locking. Using metric machine screw jacks on the screw provided a mechanism that was self-locking and minimum torque input for hand operation. There are no "standard" travel lengths and all screw jack systems are built to specification. In applications in which either multiple machine screw jacks or ball screw jacks are configured in a lifting system, a single motor could drive all screwjacks, further improving energy efficiency. Can customize jacking systems to your specifications.

Screw jack systems are preferred over hydraulic systems because they are safer for workers to instal. The most popular system configurations are the "I",  "L",  "T",  "TT",  "TC",  "TI" and  "TL" configured 3-jack systems. Note that multiple screw jacks can be linked together mechanically or electrically. Where there are multiple jacks forming part of a complete system, calculate the total input power for the system, including losses in couplings and gear boxes, using the following efficiency: 3-jacks system 90%, bevel gearboxes efficiency 94%. If motorized screw jack system, the bevel-helical gear motors efficiency 90%-95%, but RV worm gear motors efficiency 40%-50%.

Product Catalog

Muti-jack Systems Arrangement.pdf

Typical 3-jack System Configurations with Main Components

I-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 4pcs or 5pcs couplings, 2pcs connecting shafts, 1pc motor or 1pc hand wheel.

L-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 5pcs or 6pcs couplings, 2pcs connecting shafts, 1pc bevel gearbox, 1pc motor or 1pc hand wheel.

T-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 5pcs or 6pcs couplings, 2pcs connecting shafts, 1pc bevel gearbox, 1pc motor or 1pc hand wheel.

TI-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 6pcs or 7pcs couplings, 3pcs connecting shafts, 1pc bevel gearbox, 1pc motor or 1pc hand wheel.

TT-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 8pcs or 9pcs couplings, 4pcs connecting shafts, 2pcs bevel gearboxes, 1pc motor or 1pc hand wheel.

TC-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 6pcs or 7pcs couplings, 3pcs connecting shafts, 1pc bevel gearbox, 1pc motor or 1pc hand wheel.

TL-Configuration main components are 3pcs screw jacks (ball screw and machine screw), 5pcs or 6pcs couplings, 2pcs connecting shafts, 1pc bevel gearbox, 1pc motor or 1pc hand wheel.