| 摘要 |
FIELD: road building, mining, construction engineering. ^ SUBSTANCE: invention relates to road building and repair machines. Proposed impact plant for driving-in guard posts has base chassis which carries platform body, mast with hydraulic cylinder, slider and hydraulic hammer and mechanism for setting mast in working position. Mast setting mechanism consists of two articulated levers, first being connected by one end through common axle with faceplate mounted on platform body and provided with several fixed positions, and by other end, with second lever on free end of which mast is secured by universal joint. Levers are arranged for control by hydraulic cylinders with floating pistons. One of control hydraulic cylinders is installed between faceplate and first lever, and the other is arranged between levers. Hydraulic hammer is mounted on slider arranged on mast and suspended from wire rope passing over movable sheave connected with rod of hydraulic cylinder secured on mast. Other end of wire rope is connected with mast installed for crosswise and longitudinal tilting by means of control hydraulic cylinders. Hydraulically operated pivot with cutout is installed on lower end of mast. Shackle is freely mounted on lever joint and is connected by one tie-rod with faceplate and by other tie-rod, with universal joint. ^ EFFECT: enlarged operating capabilities and increased capacity of machine. ^ 7 dwg |
