| 摘要 |
This invention relates to device for testing and depicting characteristics of the safety valves during or out of the working of pressure system or pressure device. Device for testing safety valves according to invention comprises driving complex (31) with working complex (32), bearing complex (33) for mounting device on safety valve (34), pressure transducer (18) and electronic unit (15), taking in consideration that driving complex (31) comprises electromotor (1) with optoelectronic giver, reductor (2), snail (3), snail gearing (4) with inner thread and that in it is moving screw (6) with clamping head (7) and that in particular embodiment between moving screw (6) and clamping head (7) is placed measurer of the force (36). Device for testing safety valves based on invention is mounted on tested safety valve and via driving lifts spindle (12) of valve (34) and measuring and analyzing lift of spindle (12), lifting force and pressure in the system. |
