Screw Jack System Accessories

PP: Protective tube (lifting screw dust-proof and rustproof)
BB: Bellows boots (lifting screw dust-proof and rustproof)
HW: Hand wheel (hand operated)
DC: Digital counter or digital position indicator (installed on worm shaft, precision display stroke)
EM: Electric motor (motor driven)
GR: Gear reducer (motor driven with reduction gearbox)
WR: Worm gear reducer (motor driven with worm reduction gearbox)
LS: Limit switches (control stroke, when full extend or full retract travel, the motor will stop )
SN: Stop nut (installed at the bottom of lifting screw, prevent lifting screw from being removed from the jack housing)
PB: Pillow block bearing (when long distance between the supports, pillow block bearing is recommended)
FB: Flange pillow block bearing (when rotating screw jacks with long stroke or unguided, flange pillow block bearing is recommended)
FC: Flexible coupling (interconnections with drive shafts)
CS: Connecting shaft (for connecting drive shafts like screw jack lift system)
BG: Miter gearbox (right angle transmit rotary motions, power or torque in screw jack lift system)
SP: Swivel plate (installed on jack base with swivel pins for pivoting of loads)

RE: Rod end (solar tracking systems is required)