A shock absorbing device and a passenger elevator car

Abstract

The invention discloses a vibration reduction device. The vibration reduction device comprises a guide pin sleeved with an inner ring compressed spring, an upper seat plate fixed to the top end of theguide pin, and a lower seat plate provided with a through hole for allowing the guide pin to pass through; the periphery of the inner ring compressed spring is sleeved with an outer ring compressed spring; the bottom surface of the upper seat plate is provided with an upper seat plate barrel body arranged on the periphery of the upper portion of the inner ring compressed spring in a sleeving mode; and the lower edge of the upper seat plate barrel body can compress the outer ring compressed spring. The vibration reduction device has the beneficial effect that the vibration reduction performance is improved through the multi-stage vibration reduction and stress load sharing modes.

Description

technical field [0001] The invention relates to a shock absorbing device and a passenger elevator car, which are mainly used in the technical field of elevator cars. Background technique [0002] At present, in the existing technical field of passenger elevators, shock-absorbing pads are usually used for car shock-absorbing cushions. The shock-absorbing pads have the following disadvantages: First, most of the shock-absorbing pads are rubber products. It is prone to aging, corrosion and other phenomena, and the elastic attenuation makes the shock absorption effect worse; secondly, if there are many passengers and the car load is heavy, the shock pad is prone to lateral deformation, which makes the bearing position shift and affects the operation Stability and comfort; moreover, shock absorbers need to be installed at the four corners of the bottom of the car, which makes the structure of the bottom of the car slightly complicated and occupies a certain space, which is not co...

AI Technical Summary

Problems solved by technology

[0002] At present, in the existing technical field of passenger elevators, shock-absorbing pads are usually used for car shock-absorbing pads. It is prone to aging, corrosion and other phenomena, and the elastic attenuation makes the shock absorption effect worse; secondly, if there are many passengers and the car load is heavy, the shock pad is prone to lateral deformation, which makes the bearing position shift and affects the operation Stability and comfort; moreover, shock absorbers need to be installed at the four corners of the bottom of the car, which makes the structure of the bottom of the car slightly complicated and occupies a certain space, which is not conducive to adding other functional components

Although this solution provides a shock absorber with simple structure, easy installation and good shock absorption effect, it still has defects: the shock absorption is completely dependent on the effect of the shock absorber spring, which causes the force load of the shock absorber spring to be relatively large. If the car is fully loaded for a long time, the aging speed of the shock absorbing spring will increase, thereby shortening the service life of the shock absorbing device; It is subjected to a huge force load for a period of time, which may lead to structural damage, which will affect the shock absorption performance

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