Self-centering double-output worm and gear structure for elevator

Abstract

The invention discloses a self-centering double-output worm and gear structure for an elevator. The self-centering double-output worm and gear structure comprises a box body, wherein a worm is arranged in one end opening of the box body through a conical roller bearing, a ball screw is fixedly inserted in the circle center of the worm, and a deep groove ball bearing is arranged in one end opening,away from the conical roller bearing, of the box body; the end, away from the conical roller bearing, of the worm is rotationally connected with a transition block through the deep groove ball bearing, the end, away from the deep groove ball bearing, of the transition block is provided with a ball nut and a safety nut through a positioning pin, and the end, away from an upper cover, of the transition block penetrates through the ball screw and is provided with a rotary output mechanism; and a clamp spring is arranged between the rotary output mechanism and the ball nut and a single-row needleroller bearing. The self-centering double-output worm and gear structure for the elevator is simple in structure, reasonable in design and capable of automatically eliminating operation deviation.

Description

technical field [0001] The invention belongs to the technical field of worm gears, and in particular relates to a self-centering double-output worm gear structure for elevators. Background technique [0002] Commonly used elevators adopt worm gear structure, and use trapezoidal screw head (general thread, etc.) as the output end. Generally, the installation process is particularly complicated and requires too much personal technical experience, or the installation is not in place after installation, and the concentricity is not good. In the end, the emergency capacity will lose a lot of power loss, and the motor overload alarm needs to adjust the motor of one or even several specifications online. [0003] The worm gear elevator during use only provides linear motion, but in the case of rotary motion during use, it is generally necessary to add a speed reducer structure with rotary motion to realize this process, such as for stirring and other working conditions. Contents ...

AI Technical Summary

Problems solved by technology

[0002] Commonly used elevators adopt worm gear structure, and use trapezoidal screw head (general thread, etc.) as the output end. Generally, the installation process is particularly complicated and requires high personal technical experience, or the installation is not in place after installation, and the concentricity is not good. In the end, the ability to escape from danger will lose a lot of power loss, and the motor overload alarm needs to be adjusted online to the motor of one or even several specifications.

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