Three-axle turntable capable of moving in all directions

Abstract

The invention relates to a movable testing turntable, in particular to a three-axle turntable capable of moving in all directions. The three-axle turntable comprises a turntable body and a moving platform rotationally connected with the turntable body. The turntable body comprises a rotating rod, a middle ring and an outer ring. The moving platform comprises a base, a plurality of support rods and universal wheels. The outer ring is rotationally mounted on the base. The support rods are evenly distributed on the base circumferentially. The universal wheels are connected to the support rods respectively. Horizontal front-back and left-right translational degrees of freedom are achieved by the aid of the universal wheels. The middle ring is rotationally mounted in the outer ring. The rotating rod serving as a carrier of a to-be-tested object is rotationally mounted in the middle ring. Three rotational degrees of freedom are achieved by rotating the rotating rod relative to the middle ring, rotating the middle ring relative to the outer ring and rotating the outer ring relative to the base. The three-axle turntable has the advantages that driving elements are not needed, the three-axle turntable is simple, convenient and practical in structure, and five degrees of freedom are achieved and can be selected according to testing conditions; the universal wheels at the bottom can be replaced according to needs to facilitate use of the turntable.

Description

technical field [0001] The invention relates to a mobile test turntable, in particular to a three-axis turntable capable of omnidirectional movement. Background technique [0002] With the progress of the times and the development of science and technology, as the key ground equipment in aviation and aerospace research, the three-dimensional turntable is the key to navigation and guidance equipment, so the technical research of the turntable has always been highly valued by the aerospace industry in developed countries. The three-axis turntable is the key equipment for aircraft, missiles, spacecraft and other aircraft and ground hardware-in-the-loop simulation. It can simulate and reproduce the dynamic characteristics of the aircraft in the air and the aircraft's roll in space in real time in the laboratory environment. , pitch, yaw, etc., the turntable technology is widely used in the fields of aviation, navigation, and national defense construction. [0003] At present, t...

AI Technical Summary

Problems solved by technology

[0003] At present, the turntables researched and produced in various countries are all large-scale control turntables with driving mechanisms. These test turntables are extremely complicated in terms of mechanical structure and measurement control system. The production and use of turntables are expensive and complicated to operate; free to move

This is obviously not suitable for some small and simple experimental aircraft that need to move freely on the ground and other equipment that requires low-cost half-physical simulation

For this kind of aircraft equipment experiment simulation test platform that can move freely on the ground, low cost, easy to use and operate, it is relatively rare at present.

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