Large-diameter drill rod anti-deflection supporting device of hydraulic drilling rig

The utility model discloses an anti-deflection supporting device for a large-diameter drill rod of a hydraulic drilling rig, which comprises a drilling rig rack and a bottom plate, and the bottom plate is mounted above the drilling rig rack; two groups of turnover title pages are mounted at the top of the bottom plate; a jack is installed above the top of the drilling machine rack. The turning title page is installed, the turning title page can be closed along the sleeve through the opening and closing handle, the semi-ring edge on the inner side directly limits the drill rod on the inner side after the turning title page is closed, the situation that the drill rod inclines is avoided, and the device is convenient for workers to install and rapidly adjust and is convenient for the workers to use. 本实用新型公开了一种液压钻机的大口径钻杆防偏斜支撑装置，包括钻机机架和底板，所述钻机机架的上方安装有底板；所述底板的顶部安装有两组翻转扉页；所述钻机机架的顶部上方安装有千斤顶。本实用新型通过安装有翻转扉页，通过开合把手即可将翻转扉页沿着套筒进行闭合，闭合后内侧的半环缘边将直接限制内侧的钻杆，避免钻杆出现倾斜的情况，并且该装置便于工作人员进行安装和快速调节，便于工作人员使用装置。