Screw-type vertical elevator and working method thereof

Abstract

The invention discloses a screw-type vertical elevator and a working method thereof, and relates to the technical field of transportation. The screw-type vertical elevator comprises a well, a lift carand a driving mechanism. The driving mechanism comprises a motor, a transmission rod and a plurality of screws. The multiple screws are vertically arranged on the periphery of the lift car, and eachscrew is provided with a nut in a sleeved mode. The nuts are connected to the lift car through first connecting pieces, and each screw is provided with a second gear. An output shaft of the motor is provided with a worm, a worm wheel engaged with the worm is arranged at the upper end of the transmission rod, and a first gear engaged with all the second gears is arranged at the lower end of the transmission rod. The screw-type vertical elevator has the beneficial effects that the lift car lifting action is achieved in a spiral transmission mode of the screws and the nuts, the certain self-locking function is achieved, labor is saved, and the falling accident is prevented from being caused on the lift car; the driving mechanism has the self-locking function through design of the worm and theworm wheel, and controllability and safety of the screw-type vertical elevator are ensured; and through design of the second gears and the first gear, synchronous rotation of the four screws can be ensured, and thus ascending and descending of the lift car are more stable.

Description

technical field [0001] The invention relates to the field of transportation machinery, in particular to a screw type vertical elevator and its working method. Background technique [0002] Elevator is a kind of vertical elevator powered by electric motor, equipped with box-shaped gondola, used for multi-storey buildings to take advantage of people or carry goods. A vertical elevator has a car running between at least two vertical or inclination angles of less than 15° rigid guide rails. The size and structure of the car are convenient for passengers to enter and exit or to load and unload goods. It is customary to use elevator as a general term for vertical transportation in buildings regardless of its driving mode. Hydraulic elevators began to appear in the mid-19th century and are still used in low-rise buildings today. In 1852, E.G. Otis of the United States developed a safety elevator for wire rope lifting. The following problems still exist in the existing elevator:...

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a screw-type vertical elevator and its working method, aiming to solve the disadvantages of the existing elevators that there is a risk of the car falling, and when the car and the landing door are misaligned, it is easy for passengers to step on the air, etc.

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