A drive mechanism of a linear motor for an elevator

Abstract

A driving mechanism of a linear motor for an elevator. The body is a base (4); the base (4) is integrally U-shaped and comprises a stator groove (6), slide guide rails (2), a rotor base (5), and baffle plates (1). The stator groove (6) is mounted at the middle position of the base (4). The slide guide rails (2) are respectively provided at two sides of the stator groove (6); the slide guide rails (2) on the base (4) are parallel with the stator groove (6); the slide guide rails (2) on the base (4) and the stator groove (6) are all fixed on the U-shaped base (4) by means of bolts (3); the baffle plates (1) are disposed at the front end surface and the back end surface of the U-shaped base (4); the rotor base (5) is mounted at the middle part of the stator groove (6), and two sides of the rotor base (5) are limited in the grooves of the slide guide rails (2). The driving mechanism uses a simple assembly structure; the installation between a sliding block and the rotor base (5) is eliminated; a rolling wheel (5-6) or other rolling objects are directly installed into in a plane corresponding to the slide guide rail (2) to replace the sliding block, so that the installation costs and installation procedures are reduced.

Description

technical field [0001] The invention relates to the technical field of linear motors, in particular to a driving mechanism of a linear motor for an elevator. Background technique [0002] With the development of society and the rise of tourism, urban facilities are gradually becoming modernized. Hotels, hospitals, subways, scientific research units, workshops, etc. all hope to install doors that can be opened and closed automatically to meet specific needs. [0003] Traditional door operators are generally realized by AC asynchronous motors or DC motors. Due to the high speed and complex speed regulation and position control of the former, it must be equipped with an intermediate reduction transmission device to achieve the purpose of deceleration and turning the rotary motion into a linear motion. Therefore, the structure is complex, difficult to maintain, and the noise is large. Although the latter has the characteristics of speed regulation, it still needs an intermediat...

AI Technical Summary

Problems solved by technology

Due to the high speed and complex speed regulation and position control of the former, it must be equipped with an intermediate reduction transmission device to achieve the purpose of deceleration and turning the rotary motion into a linear motion. Therefore, the structure is complex, maintenance is difficult, and the noise is large.

Although the latter has the characteristics of speed regulation, it still needs an intermediate transmission device that converts rotary motion into linear motion, and also requires a set of DC power supply. Therefore, not only the structure is complicated and the cost is high, but also the maintenance of DC motors is more difficult than that of asynchronous motors. , In addition, there are also hydraulic or pneumatic devices to drive the door. Their drives can be made compact and simple, but the auxiliary equipment (oil pump or air pump and pipeline) is costly, complex in structure, and large in size. The oil pump (air pump) must always be in working condition, so not only the noise is loud, but also the energy consumption is relatively increased. For the above reasons, it is desirable to have a new type of drive element, which not only has the characteristics of simple structure and low noise , and to save energy, the linear motor is an ideal actuator

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