Parallel-connection six-degree-of-freedom damping table

Abstract

The invention discloses a parallel-connection six-degree-of-freedom damping table. According to the damping tale, six lower spherical hinge seats are fixed on the upper surface of a base, a tabletop is located above the base, and six upper spherical hinge seats are fixed on the lower surface of the tabletop; the fixed ends of hydraulic dampers are lower spherical hinge heads, and the front ends ofpiston rods of the hydraulic dampers are upper spherical hinge heads; and the lower spherical hinge heads at the fixed ends of the six hydraulic dampers are correspondingly and movably arranged in the six lower spherical hinge seats in a sleeved mode, the upper spherical hinge heads at the front ends of the piston rods of the six hydraulic dampers are correspondingly and movably arranged in the six upper spherical hinge seats in a sleeved mode, so that a parallel six-degree-of-freedom platform taking the six hydraulic dampers as branched chains is formed. Since the tabletop has six degrees offreedom, and the six hydraulic dampers are used so that the damping table can play a damping role on vibration, in any direction, of a space, therefore, the damping table is particularly suitable fora sickbed and an operation table on an ambulance for a battle ground and earthquake emergency, secondary injury of wounded personnel caused by bumping vibration can be effectively prevented, and thedamping tale can also be used on off-road vehicles and ships.

Description

technical field [0001] The invention relates to the field of shock absorbing devices, in particular to a parallel six-degree-of-freedom shock absorber for omnidirectional shock absorption. Background technique [0002] Shock absorbing devices are widely used in vehicles, equipment and instrument installation foundations, etc., to avoid interference and damage to personnel and equipment caused by large vibrations. At present, most shock absorbers can only reduce the vibration intensity in one direction. For example, the shock absorber of a vehicle is mainly aimed at the vibration in the direction of gravity. But in fact, the direction of many vibrations is random and changeable. For example, when a vehicle is on an undulating and curved road or a ship is in a windy and wave environment, the existing one-degree-of-freedom damping device obviously cannot obtain a comprehensive damping effect. The idea of ​​the present invention is to use the characteristics of all six degrees ...

AI Technical Summary

Problems solved by technology

But in fact, the direction of many vibrations is random and changeable. For example, when a vehicle is on a undulating and curved road or a ship is in a windy and wave environment, the existing one-degree-of-freedom damping device obviously cannot obtain a comprehensive damping effect.

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