Hand wheel is the best choose for manual operation screw jack or light weight screw jack system. Big model screw jack is not suitable for using hand wheel. We should choose small gear ratio when using a hand wheel.

Electric motor is used for electric screw jack or electric screw jack system. Electric motor directly driven with screw jacks. The electric motor is usually 1500rpm.The electric motor type includes: Horizontal Type, Vertical Type.

Helical Gear motor is used for making the input rpm lower. The helical gear motor has the function of motor, gear reducer, brake.Helical gear motor include horizontal foot mounting gear motor and vertical flange mounting gear motor.

When the electric screw jack need lower input rpm, the planetary gear reducer with high precision, high torque is the best choose. Planetary gear reducer use flanges to connect and assemble together, it is also can good combination with international ……

SJ Bevel Gearbox internal structure: spiral bevel gears are vertical mounted, right angle or 90 degree to change transmission directions. SJ Bevel gearbox has 10 models and 42 kinds of transmission directions.

Connecting rod coupling includes connecting shaft and couplings. The connecting rod coupling mainly used in the screw jack system. Connecting bevel gearbox with bevel gearbox, connecting screw jack with screw jack, connecting screw jack with bevel ge ……

Swivel mounting bracket is used for screw jack pivoting a load, The swivel mounting bracket directly bolted to the corresponding base of screw jacks for pivoting a load. Available screw jacks models from 0.5ton to 25ton.

The counter full name is mechanical digital counter, it mainly used in the manual operation screw jack.

Pillow Block Bearing is used in the screw jack system. When the connecting shaft is too long, the pillow block bearing is used for making the screw jack system stability.

Protective tube includes steel cover and rubber bellows.Protective tube is used for lifting screw rust-proof, dust-proof and corrosion-proof. When ordering a rubber bellows for a inverted jack, need to consider the closed height and structures thickn ……

Limit switches is electromechanical device, also called travel limit switches. Limit switches is usually mounted on screw jack’ steel cover and used for screw jack precision positioning travel limit and stop.