A lifting column includes a drive unit, a lifting tube, and a transmission assembly. The lifting tube includes a first tube, a second tube, a third tube, a fourth tube, and a fifth tube. The transmission assembly includes a first screw rod, a second screw rod, a third screw rod, and a fourth screw rod. The drive unit is in transmission fit with the first screw rod and drives the first screw rod to rotate. A lower end of the second screw rod has a first nut in transmission with the first screw rod, a lower end of the third screw rod has a second nut in transmission with the second screw rod, a lower end of the fourth screw rod has a third nut in transmission with the third screw rod, and a lower end of the first tube has a fourth nut in transmission with the fourth screw rod.
Lifting column with low retracted height
2024-05-07
Patent
Elektronische Ressource
Englisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / E04H Gebäude oder ähnliche Bauwerke für besondere Zwecke , BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES / F16H Getriebe , GEARING |
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