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Electric shear type lifting platform

A lifting platform, electric shear technology, applied in the direction of lifting frame, lifting device, transmission device, etc., can solve the problems of hydraulic oil pollution, poor stability, easy wear and tear of sliding pair, etc., to save the cost of mechanism manufacturing, less power loss, strong The effect of practicality

Inactive Publication Date: 2014-04-09
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the characteristics of the hydraulic system, the defects of the traditional scissor lift table are determined, such as poor stability, easy oil leakage, easy to cause hydraulic oil pollution, complicated design and manufacture, expensive power system, etc.
Moreover, the traditional scissor lift platform has long-distance sliding pairs on the scissors at the bottom and the highest level, causing great friction, making the sliding pairs easy to wear during the lifting process, and also affecting the safety of the lifting platform

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] see figure 1 and figure 2 , an electric scissor lift platform, comprising an upper movable bearing platform 400, a lower base 100, a mechanical lift mechanism 200 and a power drive mechanism 300, the mechanical lift mechanism 200 has a multi-layer scissor assembly, and each layer of the scissor assembly is made of rigid Composed of rods, the top of the uppermost scissors of the mechanical lifting mechanism 200 supports the upper movable bearing platform 400 and is movably connected with the upper movable bearing platform 400, and the bottom end of the lowermost scissors of the mechanical lifting mechanism 200 supports the base 100 and is connected to the lower movable bearing platform 400. The base 100 is movably connected; the power drive mechanism 300 is installed above the lower base 100 and between two identical sets of multi-layer scissors assemblies that are arranged parallel to each other. The power drive mechanism 300 is a screw horizontal track feed actuator, ...

Embodiment 2

[0027] The technical solution of this embodiment is basically the same as that of Embodiment 1, the difference is that:

[0028] see Figure 3 ~ Figure 5 , in this embodiment, the folding rod stabilization mechanism is composed of two sets of folding rods 204 and one coupling cross bar 206 to form a parallelogram linkage linkage mechanism, and the head and tail ends of each set of folding rods 204 are respectively hinged with two crosspieces 203 , the corresponding rods of the two sets of folding rods 204 are arranged parallel to each other, and the middle bending hinge pairs of the two sets of folding rods 204 are connected with the two ends of the coupling cross bar 206 through compound hinges. In this embodiment, the folding rod stabilization mechanism can not only ensure the horizontal balance of the lifting platform, but also limit the degree of freedom of the scissors, so that the lifting platform will not reach the dead point of movement and hinder normal movement. The...

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Abstract

The invention discloses an electric shear type lifting platform, which comprises an upper movable bearing platform, a lower base, a mechanical lifting mechanism and a power driving mechanism, wherein the mechanical lifting mechanism is provided with a plurality of shear fork components, the power driving mechanism is a screw horizontal track feed actuating mechanism and comprises two screws which are parallel to each other and correspondingly arranged side by side, a driven end of each screw is in rotating connection with the position at the bottom end of one side of the bottom shear forks through a bearing, threaded sections of the screws are movably connected with a parallel moving block with internal threads matched with the threaded sections, the parallel moving block is fixedly connected with the bottom end of the other side of the bottom shear forks, folding and unfolding of the bottom shear forks can be realized by the aid of the parallel moving block and horizontal track feed along the screws, and further the upper movable bearing platform is supported to ascend and descend. The power driving mechanism is controlled by means of motor drive, so that folding and unfolding of the shear forks are realized, the upper movable bearing platform is kept parallel to the lower base, and further the lifting platform is stable in operation, low in manufacture cost and wide in application.

Description

technical field [0001] The invention relates to a scissor lifting machine, in particular to an electric scissor lifting machine. Background technique [0002] The mechanical lifting operation platform is especially suitable for exhibition halls, libraries, auditoriums, multi-functional exhibition halls, theaters and other places that require a clean environment. Scissor lifting platforms are widely used in production and life. Existing automatic scissor lifts usually include an upper movable load-bearing platform, a lower base, a mechanical lifting mechanism and a power drive mechanism. The mechanical lifting mechanism has a multi-layer scissor assembly, and each layer of the scissor assembly is usually composed of rigid rods. , the top of the uppermost scissors of its mechanical lifting mechanism supports the upper movable bearing platform and is movably connected with the upper movable bearing platform, and the bottom end of the lowermost scissors of its mechanical lifting...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F7/06B66F7/28F16H7/02
Inventor 储著金谭晶余光辉
Owner SHANGHAI UNIV
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