Provided is a jaw crusher driving device in which a driving torque can be transmitted reliably to a rotation driving shaft to perform a crushing operation by strongly fixing a hydraulic pressure motor between a body frame of a jaw crusher and a flywheel. The jaw crusher includes a fixed tooth, a movable tooth, a rotation driving shaft rotatably supported on a body frame, and a pair of flywheels provided in the rotation driving shaft. The driving device includes: a hydraulic pressure motor in which a rotation shaft portion can rotate in relation to a motor body when pressure fluid is supplied; a connector for connecting one flywheel of the pair of flywheels and the rotation shaft portion; and a torque arm provided between the body frame and the motor body so as to prevent the motor body from rotating about an axis of the rotation driving shaft.

Provided is a jaw crusher driving device in which a driving torque can be transmitted reliably to a rotation driving shaft to perform a crushing operation by strongly fixing a hydraulic pressure motor between a body frame of a jaw crusher and a flywheel. The jaw crusher includes a fixed tooth, a movable tooth, a rotation driving shaft rotatably supported on a body frame, and a pair of flywheels provided in the rotation driving shaft. The driving device includes: a hydraulic pressure motor in which a rotation shaft portion can rotate in relation to a motor body when pressure fluid is supplied; a connector for connecting one flywheel of the pair of flywheels and the rotation shaft portion; and a torque arm provided between the body frame and the motor body so as to prevent the motor body from rotating about an axis of the rotation driving shaft.

A crusher bucket comprising a casing in which there are mounted crushing means comprising a fixed jaw and a movable jaw, in which the movable jaw is supported on the casing by means of a pair of eccentric shafts, wherein at least one of the eccentric shafts is directly fixed to the side walls of the casing.

A bucket for crushing inert material comprises an outer casing, an inlet section for the entry of the material to be crushed into the casing and crushing unit arranged in the casing for crushing the material and a screening device for screening the material to be crushed disposed in a position intermediate between the inlet aperture and the crushing unit. The screening device comprises at least one rotating member, the partial rotation of which is suitable for performing a screening of parts of material to be crushed which are of a size below a predetermined dimension.

A bucket for crushing inert material comprises an outer casing, an inlet section for the entry of the material to be crushed into the casing and crushing unit arranged in the casing for crushing the material and a screening device for screening the material to be crushed disposed in a position intermediate between the inlet aperture and the crushing unit. The screening device comprises at least one rotating member, the partial rotation of which is suitable for performing a screening of parts of material to be crushed which are of a size below a predetermined dimension.

A jaw crusher including a body, a fixed jaw, a shaft which is arranged horizontally and in direction of a crushing surface of the fixed jaw, and a pitman which is eccentrically movable in relation to the shaft, wherein an electric motor is arranged between the pitman and the shaft. A mineral material processing plant. A method for driving a jaw crusher including a body, a fixed jaw, a shaft which is arranged horizontally and in direction of a crushing surface of the fixed jaw, and a pitman which is forming a crushing chamber with the fixed jaw, the method including moving the shaft eccentrically in relation to the pitman, the method further including the steps of arranging an electric motor between the pitman and the shaft and rotating the shaft by the electric motor.

A jaw crusher including a body, a fixed jaw, a shaft which is arranged horizontally and in direction of a crushing surface of the fixed jaw, and a pitman which is eccentrically movable in relation to the shaft, wherein an electric motor is arranged between the pitman and the shaft. A mineral material processing plant. A method for driving a jaw crusher including a body, a fixed jaw, a shaft which is arranged horizontally and in direction of a crushing surface of the fixed jaw, and a pitman which is forming a crushing chamber with the fixed jaw, the method including moving the shaft eccentrically in relation to the pitman, the method further including the steps of arranging an electric motor between the pitman and the shaft and rotating the shaft by the electric motor.

A cooling device (2; 50) for cooling bulk goods (4), which has a cooling shaft (8) and at least one supply chute (14) for introducing the bulk goods (4) into the cooling shaft (8). To achieve uniform cooling of the bulk goods (4), the supply chute (14) has a first wall (30) and a second wall (32) arranged opposite the first wall (30). At least part of the first wall (30) is arranged at a different angle of inclination (34) with respect to a vertical line (36) than the second wall (32).

A cooling device (2; 50) for cooling bulk goods (4), which has a cooling shaft (8) and at least one supply chute (14) for introducing the bulk goods (4) into the cooling shaft (8). To achieve uniform cooling of the bulk goods (4), the supply chute (14) has a first wall (30) and a second wall (32) arranged opposite the first wall (30). At least part of the first wall (30) is arranged at a different angle of inclination (34) with respect to a vertical line (36) than the second wall (32).

A hydraulic system for controlling the position of a movable jaw of a jaw crusher includes a hydraulic cylinder having a piston with a piston rod for positioning the movable jaw. The hydraulic cylinder has a bore side space for containing a hydraulic fluid taking up crushing forces exerted by the movable jaw on the piston rod, and an annular side space containing a hydraulic fluid pressing the piston against hydraulic fluid of the bore side space. The hydraulic system further includes an annular side space accumulator having a fluid compartment, which is in fluid contact with the annular side space, and a gas compartment containing a pressurized gas applying a pressure on the hydraulic fluid in the annular side space.