| 摘要 |
FIELD: milking equipment using squeezing type teat cups. ^ SUBSTANCE: milking unit has pressurized air sources and vacuumizers connected to teat cups, pneumatic pulse generator with operation mode change-over switch, and pneumatic change-over switch for changing operation mode of teat cups. Teat cups have rigid casing incorporating resilient teat pipes having chamber arranged under teats and defining cavity arranged between walls. Teat pipe is communicated with pneumatically controlled pinching cavities. Each teat cup has pneumatically controlled drawing-up chamber rigidly fixed on casing and on teat pipe, and teat position sensor disposed in teat pipe, said drawing-up chamber and sensor being connected with one another through negative feedback by operation mode change-over switch of pneumatic pulse generator. During the entire milking time, teat cups are prevented from sliding from udder teats and udder part adjoining teat junction site is prevented from drawing into teat cavity and, accordingly, teat cups are prevented from dropping from teats and also milk discharge from udder is facilitated. This is due to changing operation mode of pneumatic pulse generator and to regulating of pneumatic pulse amplitude in drawing-up chamber. ^ EFFECT: intensified milk discharge process and increased extent of emptying of animal udder from milk. ^ 6 cl, 5 dwg |
