The invention relates to a kneading machine with a removable tub trolley (1) and a tong locking device (9) for fixing the tub trolley (1) to the kneading machine, the tong locking device (9) having tongs (8) with two arms (23, 24), which fixes the tub trolley (1) in a predefined position in a closed position and releases the tub trolley (1) for removal in an open position, the tong locking device (9) having a linear drive (11) with an adjustment direction and a linear drive (11 ) has an adjustable lever system (15), the two arms (23,24) of the pliers (8) being rotatably attached to the lever system (15) and between a closed and an open position of the pliers locking device (9) by means of the linear drive (11) are adjustable.
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