Lifting system of stereo garage

Abstract

The invention provides a lifting system of a stereo garage. The lifting system comprises a bracket capable of bearing a car for lifting, an upward-pulling bracket lifting rope with one end being connected to the bracket, a counterweight, a counterweight lifting rope with one end being connected to the counterweight, and a traction wheel motor unit. The traction wheel motor unit comprises a traction motor and a first traction wheel, wherein the traction motor is a permanent magnet synchronous motor. The lifting system further comprises a force-reducing and speed-increasing pulley system of thebracket, a counterweight pulley system of the counterweight, and force-reducing steel wire ropes wound in the force-reducing and speed-increasing pulley system and the counterweight pulley system, wherein the segment number of the force-reducing steel wire rope on a force-reducing and speed-increasing movable pulley is n<bracket>, and the segment number of the force-reducing steel wire rope on a counterweight movable pulley is n<counterweight>. According to the lifting system of the stereo garage, gentle lifting starting and gentle lifting stopping of the car bracket are achieved, the stoppingposition is more accurate, and the bracket rapidly rises and falls in the lifting process.

Description

technical field [0001] The invention relates to a three-dimensional garage for storing cars, in particular to a lifting system for the three-dimensional garage. Background technique [0002] Now the number of cars in cities is increasing a lot, and the contradiction between the rapid growth of motor vehicle ownership and the lagging construction of urban parking lots has become increasingly prominent. Especially in the city center or old town of some big cities, the vacant space that can be used for parking motor vehicle is limited, and the implementation of three-dimensional parking of motor vehicle can solve or alleviate this problem to a great extent. Therefore, the three-dimensional mechanical parking equipment with a small average floor space per unit vehicle has attracted more and more attention. [0003] At present, many three-dimensional garages have been put into use, but the speed of parking and picking up the car is usually slow. The common lifting action in one ...

AI Technical Summary

Problems solved by technology

[0003] At present, many three-dimensional garages have been put into use, but the speed of parking and picking up the car is usually slow. The common lifting action in one parking or picking up takes one and a half to two minutes, especially during the peak period of parking and picking up the car. Many car owners have to spend a long time waiting

The reason is that the lifting system of the existing three-dimensional garage is mostly driven by a motor to drive the chain or wire rope to be directly dragged. Considering the maximum power consumption of the motor and the maximum tension that the chain or wire rope can bear, the lifting speed of the vehicle bracket should not be too high. Otherwise, the motor will be overloaded and / or the maximum pull force of the chain or wire rope will be exceeded, which may cause serious safety problems

In order to solve this problem, some three-dimensional garages use motors with greater output power consumption to increase the lifting speed, but when these motors are running at low speeds when starting and stopping, the speed will suddenly increase from zero to the lowest speed allowed by the motor. Generally speaking, this sudden change in speed leads to a more obvious sense of stuttering, causing the tension on the chain or wire rope to increase instantaneously, posing a safety risk

[0004] The lifting system of the existing three-dimensional garage mostly uses an induction motor, and the induction motor itself has a high speed; in order to meet the requirements of the lifting speed of the car bracket, a reducer is used, which increases the cost and maintenance workload

Moreover, the noise of the reducer is relatively large, and the lifting system has a large vibration when starting and stopping, which affects the service life of the overall garage

The positioning accuracy of the induction motor is also low

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