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Triaxial rotating device with conjugated sphere centre

A technology of three-axis rotation and conjugate ball, applied in the direction of manipulators, program-controlled manipulators, manufacturing tools, etc., can solve the problems of small working space, large structure size, large mechanism size, etc., and achieve small structure occupation space and large rotation angle , Exercise can achieve the effect of large space

Inactive Publication Date: 2006-07-19
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Before the present invention, the rotating part structure of the current multi-axis linkage machine tool, the rotating parts of the robot joint, the rotary table and other mechanisms mostly adopt a series open-chain rotary structure, which has weak rigidity and relatively large structural size; Rigidity, there are also parallel structures, such as the application number: CN97116596.3, a parallel structure of a parallel structure CNC machine tool, but the disadvantages of its parallel structure are: small working space, large mechanism size, and the rotation angle can only be 15 degrees -20 degrees or so

Method used

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  • Triaxial rotating device with conjugated sphere centre
  • Triaxial rotating device with conjugated sphere centre
  • Triaxial rotating device with conjugated sphere centre

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 , figure 2 , image 3 Shown:

[0017] The first group of transmission mechanisms includes motor 2, reducer 3, and bevel gear 4, which are all installed on the frame 1; the second group of transmission mechanisms includes motor 9, reducer 8, and bracket 6, which are also installed on the frame 1. The bevel gear 5 and the disk 11 are installed on the bracket 6; the partition 12 includes a partition 12-1 and a partition 12-2, which are installed on the bevel gear 5 and the disk 11, and constitute the same movable member; the third group The transmission mechanism includes a motor 13, a reducer 14, a shaft 10, and a rotating member 7. The motor 13 and the reducer 14 are installed on the partition 12-1, and the reducer 14 is connected to drive the shaft 10, thereby driving the movement of the rotating member 7.

[0018] The establishment of the moving coordinate system OXYZ is as follows: the axis of the bevel gear 4 is the Z axis, the rotation axis of t...

Embodiment 2

[0026] Such as Figure 5 As shown, if only one side has an installation position, then two sets of transmission mechanisms are arranged on one side, so a synchronous pulley 15, a synchronous toothed belt 16, and a synchronous pulley 17 are added, and the rest of the structure and operation mode are basically the same as those in the embodiment 1.

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Abstract

The invention discloses a three-axle rotary device of conjugate spherical center to realize the spatial rotation, which is characterized by the following: adapting three groups of driving structure with the first group of motor and conical gear; connecting the second group of motor and rack with disk and conical gear; contacting the conical gear mutually; setting the baffle on the conical gear and disk to form a moving component; setting the third group of motor on the baffle; connecting the motor and axle with rotary component. The frame, motor, two conical gears, rack and motor constitute closing driving. The invention enlarges the working space and structure dimension as well as rotary angle, which realizes the closed driving of C axle (Z axle) and A axle (X axle) driving structure and frame.

Description

technical field [0001] The invention relates to a mechanical device, in particular to a three-axis rotating device with a conjugate sphere center which realizes spatial rotation. Background technique [0002] Before the present invention, the rotating part structure of the current multi-axis linkage machine tool, the rotating parts of the robot joint, the rotary table and other mechanisms mostly adopt a series open-chain rotary structure, which has weak rigidity and relatively large structural size; Rigidity, there are also parallel structures, such as the application number: CN97116596.3, a parallel structure of a parallel structure CNC machine tool, but the disadvantages of its parallel structure are: small working space, large mechanism size, and the rotation angle can only be 15 degrees -20 degrees or so. Contents of the invention [0003] The purpose of the present invention is to overcome the above defects, design and develop a conjugate spherical center three-axis ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25J9/08
Inventor 姜铭周建华李益民李鹭扬宋爱平朱永伟张帆
Owner YANGZHOU UNIV