Stacked flexible rack gear type elevating gear

A lifting device and rack-type technology, applied in the direction of lifting device, lifting frame, etc., can solve the problems of long rack processing cycle, poor interchangeability, and high maintenance cost, and achieve good coordination, reduced processing cycle, and good interchangeability. Effect
CN101407306AInactive Publication Date: 2009-04-15ZHEJIANG DAFENG IND
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG DAFENG IND
Publication Date
2009-04-15
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a stacked flexible rack-type lifting device, which comprises a fixed support, a driving device, a lifting support and a flexible rack used for jacking the lifting support. The upper end of the fixed support is provided with a gear which is connected with the driving device, the flexible rack is positioned in the fixed support which is provided with a guide rail, the upper part of the guide rail is vertical and provided with an arcuate extension section to the horizontal position, the flexible rack is provided with a pulley wheel matched with the guide rail and is a rigid chain formed by articulating a plurality of gear blocks, one side of the gear block takes the shape of teeth meshed with the gear, the adjoining teeth of adjacent gear blocks are jogged to form the complete tooth form, the adjacent gear blocks are articulated with each other at the side of no tooth form, and the gear block is formed by the superposition of lamellar toothed sheets. The invention provides the stacked flexible rack-type lifting device which reduces the process cycle, has good interchange capability and reduces the maintenance cost.
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Description

technical field

[0001] The invention relates to a lifting device. Background technique

[0002] The use of lifting devices in all walks of life is relatively common, such as lifting platforms in heavy industries and storage industries, lifting platforms in the stage, and lifting orchestra pits. Commonly used lifting devices are: wire rope type, chain type, hydraulic type, rack type, spiral type, etc.

[0003] For example, the patent number is 200420020574.7, and the invention name is a Chinese invention patent for a flexible rack type lifting device, which discloses a flexible rack type lifting device, including a fixed bracket fixed to the ground, a driving device, a lifting bracket, and a lifting bracket for jacking. The lifting mechanism of the lifting bracket, the lifting mechanism is installed in the fixed bracket, the lifting mechanism includes a rigid chain and a guide rail hinged by multi-section racks, the rigid chain and the The lifting bracket described above is...

Claims

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