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a lifting device

A lifting device and lifting platform technology, which is applied to lifts, lifting equipment in mines, transportation and packaging, etc., can solve problems such as frictional sliding failure, hidden safety hazards, etc., and achieve the effects of reducing pulling force, timely action, and avoiding untimely response

Active Publication Date: 2020-09-04
SHANGHAI TONSAIL ROBOT CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this method of ensuring safety needs to be triggered after the lifting platform accelerates to a certain speed. It does not respond immediately when a fault occurs, and there is a certain time delay. At the same time, the braking method is friction braking, which has frictional sliding failure. Therefore, there are still relatively large security risks

Method used

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[0032] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the following examples are combined with the appended figure 1 to attach Figure 12 The technical solutions provided by the present invention are described in detail, but the following content is not intended as a limitation of the present invention.

[0033] figure 1 It is a structural diagram of an embodiment of a lifting device of the present invention. Such as figure 1 As shown, the lifting device provided in this embodiment includes: a frame main body 1 and a lifting platform 2 that is arranged in the frame main body 1 and can move up and down in the frame main body 1, and driving mechanisms are provided on both sides of the lifting platform 2. The moving assembly 3, each drive brake assembly 3 is provided with a drive gear 37 and a drive assembly 9, the drive assembly 9 drives the drive gear 37 to rotate through the drive brake ass...

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Abstract

The invention provides a lifting device with high reliability, and belongs to the technical field of conveying equipment. The lifting device with high reliability comprises a frame body, a lifting platform, a tensile force sense, a chain, balancing weights, an electromagnetic brake, an electromagnetic damper and a drive braking assembly. By adopting the mutually matched structure of drive gears and racks, the lifting device enables the frame body and the lifting platform to drive, when a system is subjected to power failure, the lifting platform can be locked in the frame body in time, the safety and reliability are higher, meanwhile, a drive brake adopts the matched structure of a ratchet wheel and a pawl assembly, when the chain disconnects, the ratchet wheel and the pawl assembly are stuck, one-way drive is realized, the electromagnetic brake is started to realize that the lifting platform is locked in the frame body; when the drive assembly fails, a drive shaft is converted into afollowing shaft, through the combined action of the electromagnetic brake and the electromagnetic damper, the continuous conveying motion from up to down is realized, the tensile force of lifting is reduced, and the safety and reliability are improved.

Description

technical field [0001] The invention relates to the technical field of conveying equipment, in particular to a lifting device. Background technique [0002] The conveying equipment not only effectively reduces the burden of people, but also effectively improves the efficiency. As a kind of conveying equipment, the lifting device is widely used in various fields of people's production and life. [0003] Existing lifting devices, such as elevators, can not only carry people, but also carry objects. Because of its destructiveness after an accident, it is easy to cause serious property or personal casualties. Therefore, improving its safety is the focus of people's research. [0004] Traditionally, the lifting device uses a limiter to generate an action and drive the safety gear to move when the operating speed of the lifting platform exceeds a certain percentage of the rated operating speed, so that the lifting platform stops on the guide rail, thereby preventing the failure o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66B9/02B66B11/04B66B5/26B66B5/16B66B17/12
CPCB66B5/16B66B5/26B66B9/022B66B11/0461B66B17/12
Inventor 贺小平许鹤华张佳
Owner SHANGHAI TONSAIL ROBOT CO LTD
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