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Superhigh load scissor-type lifting platform

A lifting platform, super large technology, applied in the direction of lifting frame, lifting device, etc., can solve the problems that cannot meet the work requirements of super large load, limited arm bearing capacity, unfavorable manual operation, etc., achieve large elasticity and strength, improve stability, Good load drift effect

Inactive Publication Date: 2018-08-17
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the existing scissor-type lifting devices are based on a single screw drive device, which requires a lot of force to drive the entire mechanism. Such a lifting platform structure is not conducive to manual operation or requires high-power motor control.
[0003] The three-arm lifting platform can be used for manual or electric operation, and has better stability and higher work efficiency. However, the carrying capacity of a few arms is limited and cannot meet the working needs of super-large loads. Consider using multiple Three-arm unit support lifting platform work

Method used

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  • Superhigh load scissor-type lifting platform

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Embodiment Construction

[0058] The super-large load scissor lift platform proposed by the present invention includes a top plate and a bottom plate supported by three three-arm support units. The top and bottom plates have the same size and shape. Designed with a spiral pattern on the outer surface of the top and bottom plates to increase traction and friction with ground and lifting surfaces. For the shape of the top and bottom plates, several designs such as round, triangular and star are possible.

[0059] Both the top plate and the bottom plate have three sets of hinged contact points for connecting the flat plate and the arm, and each set of hinged contact points is used for connecting the corresponding three-arm support unit with the plate. Each three-arm support unit has three corresponding arms, and each arm is composed of two upper and lower links. The upper arm link connects the top plate to the upper groove of the elbow bracket, and the lower arm link connects the elbow bracket The lower...

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Abstract

The invention provides a superhigh load scissor-type lifting platform comprising a top plate, a baseplate, three-arm support units and a central transmission mechanism. Each three-arm support unit comprises an articulated arm, a lead screw and a transmission mechanism, and the articulated arm is composed of a connecting rod and an elbowed bracket; the transmission mechanism comprises bevel gears and a hexagonal shell; the six bevel gears are clamped between coaxial hexagonal rings, and three bevel gears which are distributed at intervals are fixedly connected to the lead screws; the elbowed bracket is driven by the lead screw so that the lifting operation of the platform is achieved. The central transmission mechanism structure is the same as the transmission mechanism structure of the three-arm support unit, and the three bevel gears which are distributed at intervals are connected to the three three-arm support units through the lead screws; and another bevel gear is connected to anexternal power source. The both sides of each bevel gear are provided with thrust bearings, and the friction between the gears and the shell is reduced; and the extension and compression loads of thelead screws are born. The invention provides the lifting platform capable of bearing superhigh load, and the lifting platform has the advantages of easy operation, high stability and working efficiency, and large working area.

Description

technical field [0001] The invention relates to the technical field of mechanical lifting, in particular to a novel scissor lift platform with super large load. Background technique [0002] A lift platform is a special type of equipment commonly used for heavy-duty vertical lifting and height adjustment for industrial and military purposes. It can be used in medical lifting beds, patient wheelchairs, robot base plates, lifting vehicles, and also as a variable height platform for measuring equipment and orientation alignment devices. The scissor-based lifting platform has the characteristics of large folding ratio, compact structure, strong bearing capacity, self-locking, and large top plate. However, most of the existing scissor-type lifting devices are based on a single screw drive device, which requires a lot of force to drive the entire mechanism. Such a lifting platform structure is very unfavorable for manual operation or requires high-power motor control. [0003] T...

Claims

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Application Information

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IPC IPC(8): B66F7/06B66F7/28
CPCB66F7/0658B66F7/28
Inventor 哈亚特·默罕默德·可汗姜霞兵杨建华
Owner NORTHWESTERN POLYTECHNICAL UNIV
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