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Float connecting device with two translational degrees of freedom

A technology of floating connection and degree of freedom, applied in elastic couplings, mechanical equipment, couplings, etc., can solve the problems of crawling, lack of sensitivity, large inertia, etc., and achieve the effect of easy operation and simple structure

Inactive Publication Date: 2016-06-01
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the rigid mechanism such as the cross slider has a large inertia, which is not suitable for high-speed occasions; on the other hand, it often appears crawling phenomenon, and it is difficult to achieve a small amount of compensation, which is lacking in sensitivity

Method used

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  • Float connecting device with two translational degrees of freedom
  • Float connecting device with two translational degrees of freedom
  • Float connecting device with two translational degrees of freedom

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Experimental program
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Embodiment Construction

[0014] Preferred implementation structure drawings of the present invention are as follows:

[0015] Such as figure 1 As shown, a floating connection device with two translation degrees of freedom, including input layer 1, middle layer 2, output layer 3, first connection plate 4, second connection plate 5, third connection plate 6 and fourth connection Plate 7, the two sides of the input layer 1 and the output layer 3 are respectively connected with the first connecting plate 4 and the third connecting plate 6 through four long hinges parallel to each other, forming a parallelogram mechanism with a certain thickness. Swing in the Y direction in the coordinate system; the other two sides of the middle layer 2 and the output layer 3 are connected to the second connecting plate 5 and the fourth connecting plate 7 through hinges respectively, which also constitute a parallelogram mechanism with a certain thickness, The swing in the X direction in the coordinate system is realized...

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Abstract

The invention discloses a float connecting device with two translational degrees of freedom. The float connecting device comprises an input layer, a middle layer, an output layer, a first connecting plate, a second connecting plate, a third connecting plate and a fourth connecting plate; two sides of the input layer and the output layer are respectively connected with the first connecting plate and the third connecting plate through four parallel long hinges to form a parallelogram mechanism with a certain thickness; the other two sides of the middle layer and the output layer are respectively connected with the second connecting plate and the fourth connecting plate through hinges to form another parallelogram mechanism with a certain thickness; the two parallelogram mechanisms are orthometrically arranged; and the parallelogram mechanisms with a certain thickness can freely swing on planes orthometric to the hinges without moving in other directions to realize float connection of the input layer and the output layer. The float connecting device can realize strict and precise centering of connected objects, opens the degree of freedom, and compensates the manufacturing and mounting errors to a certain extent.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a floating connection device with two translational degrees of freedom. Background technique [0002] The alignment of mechanical equipment is the basic technical requirement to ensure the smooth operation of equipment. In some test instruments, there are higher requirements for equipment alignment. When the connected parts cannot be strictly aligned, it will have a bad influence on the measurement results. For example, in the no-load starting torque measurement of self-lubricating spherical plain bearings, the outer ring of the tested bearing is fixed, and the inner ring is driven by a motor to rotate. When the drive mechanism and the bearing are not in the same axis, additional radial load or axial load will be introduced , resulting in additional resistance torque, affecting the measurement accuracy of no-load starting torque. [0003] Manufacturing errors and installation errors of ...

Claims

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Application Information

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IPC IPC(8): F16D3/02
CPCF16D3/005F16D3/02
Inventor 李宝福从志斌彭勇李英
Owner SHANGHAI UNIV
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