Lifting device for elevator car

By designing a screw-type lifting device, including a screw, a load-bearing base and a limiting top plate, the problem of complex installation and difficult replacement of the screw-type elevator car is solved, rapid installation and replacement of the car is achieved, and safety and comfort are improved. Extends the service life of the equipment.

CN111056405AInactive Publication Date: 2020-04-24ANCHENG LIFTING EQUIP RES INST GAOMING DISTRICT FOSHAN CITY
6 Cites 2 Cited by

Patent Information

Application Number
CN201911355837.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2019-12-25
Publication Date
2020-04-24
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing screw-type elevator car is complicated to install and difficult to replace. As the use time increases, the thread drive device and the screw wear and tear, causing the car to tilt, affecting the safety and comfort of use.

Method used

A lifting device is designed, including a screw, a load-bearing base, a limit top plate and a driving device. The ball sleeve and auxiliary support column are used to realize the rapid installation and replacement of the car. The arc plate and fixed groove structure is used to ensure the stability of the car. And the comfort of installation and operation is improved through elastic parts and buffer parts.

Benefits of technology

It realizes the rapid installation and replacement of the car, reduces the installation complexity, improves the safety and comfort during use, and extends the service life of the equipment.

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Abstract

The invention discloses a lifting device for an elevator car. The lifting device comprises a screw rod, a bearing base and a limiting top plate, wherein the elevator car is arranged between the bearing base and the limiting top plate, the bearing base is provided with a ball sleeve and a driving device used for driving the ball sleeve to rotate, and auxiliary supporting columns are arranged belowthe bearing base; the bearing base comprises a base, a bottom plate and an arc-shaped plate, wherein the arc-shaped plate is hinged to the bottom plate, the base is provided with a fixing groove, thebottom of the fixing groove is provided with through holes, and the auxiliary supporting columns pass through the through holes to temporarily support the bottom plate; and the driving device drives the ball sleeve to rotate, so that the bearing base is lifted along the screw rod, the bottom plate is gradually separated from the support of the auxiliary supporting columns, and the bottom plate andthe arc-shaped plate are pressed into the fixing groove through the elevator car under the guide of the arc-shaped plate. According to the lifting device, the elevator car is convenient and fast to install, and the elevator car can be easily replaced in the later period.
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Citation Information

Patent Citations

  • Lift self-balancing device, lift and lift self-balancing adjustment method

    CN105035928A

  • Screw type vertical elevator

    CN106315368A

  • Elevator driven by double ball screws

    CN108715390A

  • Multi-screw multi-storey residential elevator

    CN109019254A

  • Organic building passenger elevator clamped with limit damping

    CN202785182U

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