Inductive magnetic levitation spherical active joint
An active joint and magnetic levitation technology, which is applied to the joint system with support and drive function, the induction magnetic levitation spherical active joint, and the spherical joint field, can solve the problems of slow response, difficulty in manufacturing and installation, and decrease in the accuracy of the control system, so as to prolong the service life. , fast response, good dynamic performance
Inactive Publication Date: 2011-11-30
YANGZHOU UNIV
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Problems solved by technology
This will lead to complex structure, large volume, serious wear of joint friction surfaces, low efficiency, very difficult manufacturing and installation, small range of motion space, slow response, poor dynamic performance, and the accumulation of errors in the mechanical transmission system will lead to a decline in the accuracy of the entire control system , and even affect the stability of the system
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[0013] The specific implementation of the inductive magnetic levitation spherical active joint of the present invention will be described below with reference to the accompanying drawings.
[0014] see Figure 1 to Figure 4 , the inductive magnetic levitation spherical active joint of the present invention includes a joint stator, a spherical rotor 10 and its rotating main shaft, and a detection and control system for controlling the on-off state of each three-phase winding on the joint stator, wherein the joint The inner surface of the stator is shaped as an inner spherical surface with an opening, and the spherical rotor is fixed as a whole with the rotating main shaft, and the rotating main shaft extends to the outside through the opening; the inner spherical surface of the joint stator and the outer spherical rotor The spheres are concentric with each other and there is an air gap (gap).
[0015] Wherein, a winding placement groove 4 is arranged on the inner spherical sur...
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Inductive magnetically levitated spherical active joints, including magnetically conductive joint stators, magnetically conductive spherical rotors and their rotating spindles, and a detection and control system for controlling the power on and off states of each three-phase winding on the joint stators, wherein the inner surface of the joint stators The shape is an inner spherical surface with an opening, the spherical rotor and the rotating main shaft are fixed as a whole, and the rotating main shaft extends to the outside through the opening, the inner spherical surface of the joint stator and the outer spherical surface of the spherical rotor are concentric with each other and there is an air gap, and the joint stator is arranged There are five three-phase windings, and the rotor windings are arranged on the spherical rotor. The invention has a simple, reasonable and compact structure, comprehensively applies magnetic levitation technology and motor technology, realizes a bearingless suspension support and drives the spherical rotor to rotate, wherein there is basically no friction and no wear between the spherical rotor and the joint stator, and the dynamic performance is good. The speed is fast, the efficiency of the joint is improved, and the service life of the joint and equipment is extended.
Description
technical field [0001] The invention relates to a spherical joint, in particular to an inductive magnetic levitation spherical active joint, which belongs to a joint system widely used in engineering with supporting and driving functions, and belongs to the technical field of mechatronics. Background technique [0002] Spherical joints have broad application prospects in equipment with multiple degrees of freedom of motion, such as robots and manipulators, and even multi-coordinate machining centers, aerospace vehicles, electric gyroscopes, omni-directional tracking antennas, turret turntables, medical equipment, camera Operating consoles, panoramic photography consoles, mixers, universal wheels for moving mechanisms, spherical valves, spherical pumps and other equipment. The spherical joint system includes the drive, transmission and controller, which is the basic component of the robot and an important link in the entire robot servo system. Its structure, weight and size h...
Claims
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IPC IPC(8): B25J17/00H02N15/00
Inventor 曾励张丹
Owner YANGZHOU UNIV