Two degree of freedom hydraulic head

两自由度液压云台

Abstract

一种两自由度液压云台,包括下液压摆缸、上液压摆缸和支架,下液压摆缸连接在下摆缸固定壳内,下液压摆缸的输出轴竖直伸出下摆缸固定壳的上端;上液压摆缸连接在上摆缸固定壳内,上液压摆缸的输出轴水平伸出上摆缸固定壳,上摆缸固定壳连接在下液压摆缸的输出轴上;支架连接在上液压摆缸的输出轴上。该云台具有两个轴线垂直相交的转动自由度,分别由两台液压摆动油缸驱动,每台液压摆动油缸的转轴上均安装编码器,用于检测摆动油缸的角位移,抗强电磁干扰、负载能力大、运动平稳性好、防护等级高、结构紧凑。
The utility model provides a two degree of freedom hydraulic head, including lower hydraulic pressure tilt cylinder, go up hydraulic pressure tilt cylinder and support bracket, lower hydraulic pressure tilt cylinder is connected in tilt cylinder set casing down, the upper end of tilt cylinder set casing under vertical the projecting of output shaft of lower hydraulic pressure tilt cylinder, going up the hydraulic pressure tilt cylinder and connecting in last tilt cylinder set casing, the tilt cylinder set casing is stretched out to the output shaft level that goes up the hydraulic pressure tilt cylinder, upward on the output shaft of tilt cylinder set casing connection hydraulic pressure tilt cylinder under, the leg joint is on the output shaft of last hydraulic pressure tilt cylinder. This cloud platform has the rotational degrees of freedom that two axis intersected vertically, by two hydraulic pressure swing oil cylinder drive, all installs the encoder in the pivot of every hydraulic pressure swing hydro -cylinder respectively for detect the angle displacement of swing hydro -cylinder, anti strong electromagnetic interference, large load capacity, motion stability is good, protection level is high, compact structure.

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