Abstract: This invention relates to rail clamp handling arrangement, for moving a clamping element (300) from a position in which said element fastens a rail (800) to a railroad sleeper to a sleeper releasing position and vise-versa, comprising a support structure/housing (500) having a lower part (501) with a central rail fit member (503) and arranged to extend transversally in relation to the longitudinal extension of the rail (800), wherein at each outer end portion (504) of said lower part (501) there is arranged connection means that provide pivot points (401) at an intermediate point of a pivotable lever arm (400), said lever arms (400) being arranged mirror symmetrically, a power and transmission arrangement (2, 3, 6) arranged to simultaneously move an upper part (405) of said lever arms (400) via an upper pivotal connection (402), a lower part (406) of said lever arms (400) comprising contact devices (403) arranged to move a clamping element (300), wherein said power and transmission arrangement (2, 3, 6) inclu

Abstract: This invention relates to a weld cutting machine, comprising a first cutting jaw part (4) and a second cutting jaw part (5), a base frame (500) having fixedly attached thereto said second cutting jaw part (5), a power unit and a transmission mechanism (3), wherein said power unit is connected to said transmission mechanism (3) to arrange for movement of at least one of said cutting jaw parts (4, 5), and wherein connecting members are arranged to enable said at least one cutting jaw part (4, 5) to move in a guided manner relative said second cutting jaw part (5), wherein said power unit is an electric motor (2) and that said connecting members include at least two rods (6), each rod (6) being arranged with at least one set of threads (63, 64) arranged to transfer torque applied via said transmission mechanism (3) to said rods (6) to provide linear movement of said at least one cutting jaw part (4, 5), wherein said transmission mechanism (3) includes at least two parts (31, 32) a first reduction transmission (3