A mechanical winch with a movable sprocket, having a main axis of the winch onto which a drum for winding a pulling rope with a brake is installed, said drum being connected in a sliding manner with a sprocket via a clutch, wherein the sprocket is axially movable, and the movement of the sprocket towards the clutch is ensured with a mechanical assembly that transfers movement of a pulling lever connected with a rope for activation of pulling to pinions of an activation mechanism comprising the clutch, characterized in that the mechanical assembly is designed as a system of levers comprising at least: - the pulling lever, which is on its top equipped with a pulley arranged to receive the green rope for activation of pulling, - a first connective lever on the side of a drum, said lever having two ends, wherein the first end is connected to the pulling lever and the second end is connected with a connective shaft, so that movement of the pulling lever can be transferred to the connective shaft, - the connective shaft, wherein the second end of the shaft is connected to a second connective lever, - the second connective lever, which is located at the side of the sprocket and transfers movement from the pulling lever via the first connective lever and the connective shaft to the activation mechanism, - the activation mechanism comprising a handle for connection with the second connective lever, two clutches arranged to rotate around the axis, wherein pinions are provided between the clutches, said pinions allowing the axial movement of the sprocket towards the clutches and the drum, so that rotation moment can be transferred to the drum, and - a spring installed between the sprocket and the drum, the said spring being arranged to compress upon activation of pulling and upon releasing the green rope the spring is arranged to release the energy and to push the sprocket away from the drum and the clutch. the movement of the sprocket towards the clutch is ensured with a mechanical assembly that transfers movement of a pulling lever connected with a rope for activation of pulling to pinions of an activation mechanism comprising the clutch, characterized in that the mechanical assembly is designed as a system of levers comprising at least: - the pulling lever, which is on its top equipped with a pulley arranged to receive the green rope for activation of pulling, - a first connective lever on the side of a drum, said lever having two ends, wherein the first end is connected to the pulling lever and the second end is connected with a connective shaft, so that movement of the pulling lever can be transferred to the connective shaft, - the connective shaft, wherein the second end of the shaft is connected to a second connective lever, - the second connective lever, which is located at the side of the sprocket and transfers movement from the pulling lever via the first connective lever and the connective shaft to the activation mechanism, - the activation mechanism comprising a handle for connection with the second connective lever, two clutches arranged to rotate around the axis, wherein pinions are provided between the clutches, said pinions allowing the axial movement of the sprocket towards the clutches and the drum, so that rotation moment can be transferred to the drum, and - a spring installed between the sprocket and the drum, the said spring being arranged to compress upon activation of pulling and upon releasing the green rope the spring is arranged to release the energy and to push the sprocket away from the drum and the clutch. - the pulling lever, which is on its top equipped with a pulley arranged to receive the green rope for activation of pulling, - a first connective lever on the side of a drum, said lever having two ends, wherein the first end is connected to the pulling lever and the second end is connected with a connective shaft, so that movement of the pulling lever can be transferred to the connective shaft, - the connective shaft, wherein the second end of the shaft is connected to a second connective lever, - the second connective lever, which is located at the side of the sprocket and transfers movement from the pulling lever via the first connective lever and the connective shaft to the activation mechanism, - the activation mechanism comprising a handle for connection with the second connective lever, two clutches arranged to rotate around the axis, wherein pinions are provided between the clutches, said pinions allowing the axial movement of the sprocket towards the clutches and the drum, so that rotation moment can be transferred to the drum, and - a spring installed between the sprocket and the drum, the said spring being arranged to compress upon activation of pulling and upon releasing the green rope the spring is arranged to release the energy and to push the sprocket away from the drum and the clutch.