Handwheel-operated gate opener, also known as manual screw gate opener, is a device used for manually operating flat gate opening and closing. It features an automatic locking function, allowing the gate to remain at any position. It is equipped with anti-theft sockets and wrenches, providing water-proofing against theft. The screw gate opener offers quick directional and speed variation, manual cranking start, easy operation, and flexible opening and closing. Its structure consists of the housing, cover, bracket, nut, screw, large and small bevel gears, pressure bearings, and hand crank.