Arm device for a milking parlor arrangement for the automatic milking of milk-producing animals, divider for a milking parlor arrangement, and milking parlor arrangement

A divider for a milking parlor arrangement for a milking parlor for milking milk-producing animals, wherein the divider arranged on a longitudinal side of the milking parlor, and the divider comprises:

• a drive unit;
• an arm device coupled to the drive unit;
• an arm;
• a milking cluster holder, pivotably coupled to the arm for movement between a park position and an operating position, wherein in the park position the arm device is arranged with the milking cluster holder in the divider and in the operating position is adjustable laterally to an animal milking position, wherein the arm device comprises:
• a holder drive shaft mounted at least partially in the arm drive shaft so as to be rotatable independently of the arm drive shaft;
• a drive unit couplable to the arm drive shaft and the holder drive shaft;
• an arm drive transmission element operatively engaged between the drive unit and the arm drive shaft;
• a holder drive transmission element operatively engaged between the holder drive shaft and the milking cluster holder;
• an arm drive wheel, operatively engaged with the arm shaft and the arm drive transmission element;
• and
• a holder drive wheel operatively engaged with the holder drive shaft and the holder drive transmission element.

A milking parlor arrangement for milking milk-producing animals, the milking parlor arrangement, comprising:

• a divider for a milking parlor arrangement for a milking parlor for milking milk-producing animals, wherein the divider arranged on a longitudinal side of the milking parlor, and the divider comprises:
• a drive unit;
• an arm device coupled to the drive unit;
• an arm;
• a milking cluster holder, pivotably coupled to the arm for movement between a park position and an operating position, wherein in the park position the arm device is arranged with the milking cluster holder in the divider and in the operating position is adjustable laterally to an animal milking position, wherein the arm device comprises:
• a holder drive shaft mounted at least partially in the arm drive shaft so as to be rotatable independently of the arm drive shaft;
• a drive unit couplable to the arm drive shaft and the holder drive shaft;
• an arm drive transmission element operatively engaged between the drive unit and the arm drive shaft;
• a holder drive transmission element operatively engaged between the holder drive shaft and the milking cluster holder;
• an arm drive wheel, operatively engaged with the arm shaft and the arm drive transmission element;
• and
• a holder drive wheel operatively engaged with the holder drive shaft and the milking cluster holder holder drive transmission element;
• wherein the arm drive, the holder drive and the vertical drive of the drive unit transmissions and a bearing unit of the arm drive shaft and of the holder drive shaft are disposed on the frame.