Abstract: The method for mounting a ranging arm on a body of a longwall shearer loader characterized by the fact that the shearer's ranging arm (7) is pivotally connected through the eyes (9) and at least one pin (3) with the eyes of the articulated joint (6) located from the side wall side in the bottom part of the shearer's body (5) outside of the chain conveyor (11). The axis of the pin or pins (3) is situated below the axis of the motor (12) of the shearer's ranging arm (7). The hydraulic cylinder (4) is pivotally connected with the eyes (8) of the shearer's ranging arm (7) located between the eyes of the articulated joint (6) with a pin (2), the axis of which is situated above the axis of the motor (12) of the shearer's arm (7). The hydraulic cylinder (4) is pivotally connected with the shearer's body (5) with a pin (1), the axis of which is situated below the axis of the motor (12) of the shearer's arm (7) and below the axis of the feed drive shaft (10).

Abstract: A longwall shearer loader is provided. The longwall shearer loader includes a shearer body located outside of an armored face conveyor. Additionally, the longwall shearer loader includes a motor and a transmission unit that propel a drive shaft located in a part of the shearer body, which is above the armored face conveyor. The drive shaft transmits power to a drive wheel installed in the shearer body on a goaf side, which is outside of a line pan of the chain conveyor and which moves along a ladder.

Abstract: The method for mounting a ranging arm on a body of a longwall shearer loader characterised by the fact that the shearer's ranging arm (7) is pivotally connected through the eyes (9) and at least one pin (3) with the eyes of the articulated joint (6) located from the side wall side in the bottom part of the shearer's body (5) outside of the chain conveyor (11). The axis of the pin or pins (3) is situated below the axis of the motor (12) of the shearer's ranging arm (7). The hydraulic cylinder (4) is pivotally connected with the eyes (8) of the shearer's ranging arm (7) located between the eyes of the articulated joint (6) with a pin (2), the axis of which is situated above the axis of the motor (12) of the shearer's arm (7). The hydraulic cylinder (4) is pivotally connected with the shearer's body (5) with a pin (1), the axis of which is situated below the axis of the motor (12) of the shearer's arm (7) and below the axis of the feed drive shaft (10).

Abstract: The drive transmission method used in the case of a longwall shearer loader is characterised by the fact that in the shearer body (1), from the side wall side, in the part located outside of the chain conveyor (2), there is an motor (3) and a transmission unit (4) propelling a drive shaft (6) located in the part of the shearer body (1) located above the armoured face conveyor (2). The shaft transmits the power to the drive wheel (10) installed in the shearer body (1) from the caving side, outside of the chute of the chain conveyor (2), and moving along the ladder (11).