SU121311A1 - Milking machine with a stable number of pulsations - Google Patents

Description

Known milking machines take up a lot of time before rock to adjust the number of pulsations.

The proposed machine is distinguished by the fact that in it the interstitial space of teat cups is connected with the upper chamber of the pulsator, both when the pulsator and collector are separate, structurally, and their constructive combination. The interaction between the upper middle and lower chambers of the pulsator is carried out through a calibrated orifice in the double valve or in the upper pulsator washer.

FIG. 1 shows a three-stroke milking machine with a separate collector and pulsator; in fig. 2 and 3-stroke and three-stroke milking machines with a combined collector and pulsator.

The proposed milking machine has a pulsator, in which it is possible to vary over a wide range the degree of periodic compression of the nipple rubber (both in the variable and in the constant component of this compression).

The intensity of the pulsations decreases with an increase in the milk yield of the cows, which speeds up the milking at this moment and is expedient from a physiological point of view.

The three-stroke milking machine (Fig. 1), the collector and pulsator of which are made separately, consists of teat cups /, collector 2, pulsator 3 and milking bucket 4. In the pulsator there is a lower chamber 5, a middle chamber 6 and an upper chamber 7.

In chamber 6, the vacuum changes abruptly from O to a maximum, and in the upper chamber 7, more smoothly and within the limits that can be set when designing by selecting the diameters of the membrane 8 and the diameters of the upper and lower valves 9 to 10.

No. 121311-2 -

Attaching the upper chamber 7 to the interwall space of the teat cups through the tube 11 increases its volume by several de-. from time to time. This allows the cross section of the calibrated orifice 12 between the chambers and 7 of the pulsator to be increased and it becomes so large (0 2-Zlj) that it rarely clogs, and in the case of clogging it is easily cleaned without special tools. The calibrated orifice 12 may be made in the stem of the double pulsator valve 13 or in the upper washer 14 and the diaphragm.

 The use of the described pulsator is possible on milking machines with different principles of action.

A two-stroke milking machine (Fig. 2) with a pulsator and a collector combined structurally; consists of teat cups /, pulsator-collector 15 and milking bucket 4. A special feature of this mask is that the air is sucked out of the pulsator through a separate hose 16 and the milk flows through the hose 17. This slightly improves the quality of milk, but requires additional rubber hose 16 and the implementation of several complex joint node in the form of a pulsator-collector.

In a three-stroke milking machine (Fig. 3) with a pulsator and collector combined structurally, the milk valve 18 is located on the lid of the bucket, and the milk hose 19 serves to remove both milk and air. The pulsator-collector 15 is different from the pulsator 3 (Fig. 1) in that the chamber 6 is enlarged and serves to collect milk, and the chamber 7 is connected by tubes to the interstitial space of the teat cups. The alternation of strokes here is the following: sucking, rest, compression.

Subject invention

A milking machine with a stable number of pulsations and varying intensity of pulsations is different from the fact that, in order to ensure a vigorous pulsation at the beginning and end of milking, with a transition to a moderate pulsation with good sound output, the interwall of the teat cups is connected with separate constructive execution of the pulsator and collector, and with their constructive combination, and the interaction between the upper middle and lower chambers of the pulsator occurs through a calibrated There is an opening in the Double Valve or in the upper throat of the pulsator.

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