| 摘要 |
<p>The invention relates to low pressure hydraulic shears with individual handling used for cutting metal profiles in case of disentanglement maneuvers in accidents or on building yards. According to the invention, the shears have a tubular sleeve (1) which drives, while being rotated by hand, a cylindrical slide (2) whose stroke is limited by a pin (3), and which, by some own channels and those of a distribution body (4) fixed by means of an outer nut (5), supplies an amplifying piston (6) with working fluid, said piston sliding in a cylindrical jacket, separated by means of a sealing washer (8) from a power cylinder sliding against a spring (10) fixed in a body (11) whereto, by means of a nut (12), there is attached a fixed flange (13), pushing therein a mobile flange (14) which drives two cutting blades (16) fixed with a bolt (15).</p> |
