RU2337533C1 - Milking machine clawpiece - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: milking machine clawpiece comprising distribution and control chamber, atmospheric pressure chamber, variable vacuum chamber, constant vacuum chamber, diaphragm, double valve. The clawpiece comprises, in the partition between the variable vacuum chamber and the constant vacuum chamber, an additional hole closed with a floating valve.

EFFECT: maintaining resting phase; protection of animal nipples against harmful effect of vacuum and maintaining milking intensity at animal milk level.

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Description

The invention relates to agriculture, in particular to equipment for animal husbandry, and more specifically to collectors of milking machines.

A known collector of the milking machine ADU-1 execution 03 (Mosiyko V.I. Intensification of dairy cattle breeding / V.I. Mosiyko, A.G. Zusmanovsky, V.G. Zvinyatsky - Agropromizdat, 1989. - S.203 - 205), which contains three chambers: distribution and control, atmospheric pressure and milk. Between the distribution-control and atmospheric pressure chambers there is a membrane with which a valve is connected, blocking the channel between the atmospheric pressure chambers and the milk one.

The disadvantage of this collector is that it reduces the amount of vacuum in the suction cups of the teat cups during the compression stroke at a high milk output rate, and at a low intensity (at the beginning and end of milking) the vacuum in the suction cups practically does not decrease, which affects the nipples animals.

A collector of a three-stroke milking machine is also known (Korolev VF Milking machines (theory, design, calculation) - M .: MASHGIZ, 1962 - P.44-46), which contains four chambers: distribution-control, atmospheric pressure, variable vacuum and constant vacuum. Between the chambers of the distribution-control and atmospheric pressure there is a membrane with which a double valve is connected, blocking the upper surface of the channel between the atmospheric pressure and variable vacuum chambers and the lower surface of the hole between the variable and constant vacuum chambers.

The disadvantage of this collector is that it stops the transfer of milk from the variable vacuum chamber to the constant vacuum chamber during compression and rest cycles, thereby reducing the intensity of milk excretion during intensive milk transfer and increasing the milking time of the animal.

The objective of the invention is to bring the intensity of the excretion of milk to the intensity of the milk yield of the animal and ensuring the protection of the nipples of the animal from the harmful effects of vacuum.

The solution to the problem is as follows. The proposed collector of the milking machine includes four chambers: distribution and control with one inlet and four outlet nozzles of variable vacuum; atmospheric pressure; variable vacuum with four outlet pipes; constant vacuum with one inlet pipe. Between the chambers of the distribution-control and atmospheric pressure there is a membrane with which a double valve is connected. Between the atmospheric pressure chamber and the variable vacuum chamber there is a partition with a central hole through which the double valve stem passes, the upper surface of which overlaps this hole. Between the chambers of variable vacuum and constant vacuum there is a partition with a central hole overlapped by the bottom surface of the double valve; in addition, this partition contains an opening blocked by a pop-up valve.

The presence of a membrane with a double valve provides a tact of rest in each cycle of the milking machine, which helps to protect the nipples of the animal from the harmful effects of vacuum.

The presence of an additional hole and a pop-up valve ensures the transportation of milk from the variable vacuum chamber to the constant vacuum chamber in compression and rest cycles, which helps to maintain the intensity of milk delivery at the animal's milk yield.

The drawing schematically shows a General view of the inventive collector.

The milking machine collector contains a distribution and control chamber 1, a constant atmospheric pressure chamber 3, a variable vacuum chamber 5, a constant vacuum chamber 6. The chamber 1 contains an inlet pipe 2 connected by a variable vacuum hose to a pulsator, and output pipes 15 (four pieces) connected tubes with interstitial chambers of the milking cups of the apparatus. The chamber 5 contains four outlet nozzles 4 connected by tubes to the suction chambers of the teat cups. The chamber 6 contains an outlet pipe 7 connected by a milk hose to the milk line (or milking bucket).

A membrane 14 is located between the chambers 1 and 3. The membrane is connected to a double valve 10. Between the chambers 3 and 5 there is a partition 13 with a central hole through which the valve stem 10 passes. Between chambers 5 and 6 there is a partition 12 with a central 8 and 11 additional holes . An additional hole is blocked by a pop-up valve 9.

The collector works as follows. Through the pipe 7, a vacuum is constantly supplied to the chamber 6. Through the pipe 2, an alternating vacuum is supplied from the pulsator to the chamber 1 (suction cycle - compression cycle).

When a vacuum is supplied through the nozzle 2 from the pulsator, it propagates through the nozzles 15 into the inter-wall chambers of the milking cups. In this case, upward force begins to act on the membrane 14 due to the pressure difference (vacuum is above the membrane, atmospheric pressure is below the membrane). The membrane bends and moves the double valve 10 to the upper position. The valve closes the passage between the chambers 3 and 5 with the upper plane. At the same time, the lower plane of the valve departs from the central hole 8 of the partition 12 between the chambers 5 and 6. The vacuum from the chamber 6 begins to flow into the chamber 5 and is distributed through the nozzles 4 into the suction cups of the milking cups. There is a suction stroke (in the inter-wall and suction cups of the milking cups vacuum). From the nipples of the animal, milk passes through the nozzles 4 into the chamber 5 and then through the hole 8 into the chamber 6 and then through the nozzle 7 through the milk hose to the milk pipe.

After atmospheric pressure propagates from the pulsator through the nozzle 2 into the chamber 1, it passes through the nozzles 15 into the inter-wall chambers of the milking cups. At the same time, vacuum is propagated into the suction cups of the milking cups through the nozzles 4 from the chamber 5. A compression stroke occurs due to the pressure difference in the interwall and suction cups of the milking cups.

Due to the atmospheric pressure in the chamber 1, the force exerted on the membrane 14 ceases to act, since the atmospheric pressure is on both sides of the membrane. There is a force acting on the valve 10 down, due to the pressure drop arising on the upper plane of the valve: atmospheric pressure from above, vacuum from below in chamber 5. The valve 10 moves downward and closes the central hole 8 of the partition 12 between the chambers 5 and 6. At the same time, the passage between the chambers 3 and 5 opens. At the same time, the vacuum stops coming into the chamber 5 and atmospheric pressure begins to propagate through the gap between the valve stem 10 and the hole in the partition 13 between chambers 3 and 5. Atmospheric pressure propagates through nozzles 4 into suction cups of milking cups. There is a tact of rest, since there is atmospheric pressure in the inter-wall and suction cups of the milking cups.

Then, when a vacuum propagates from the pulsator through the nozzle 2 into the chamber 1, the membrane 14 will move the valve 10 upward, and the collector will work again.

At a low intensity of milk removal (at the beginning and at the end of milking) during the suction stroke, the milk coming from the nipples to the chamber 5 completely passes through the hole 8 into the chamber 6. At a high intensity of milk removal during the suction stroke, the milk through the hole 8 does not have time to completely pass into the chamber 6. At the same time, a layer of milk is formed in the chamber 5, a pop-up valve 9 pops up, and milk passes from the chamber 5 into the chamber 6 through two holes 8 and 11.

After switching the valve 10 down (compression stroke), it closes the hole 8, and the rest of the milk from the chamber 5 into the chamber 6 passes through the hole 11, after which the valve 9 goes down and closes the hole 11.

Thus, the valve 9 and the hole 11 prevent the stopping of the movement of milk from the chamber 5 into the chamber 6 during the compression and rest cycles, and thereby contribute to maintaining a normal feeding rate corresponding to the milk yield of the animal.

Thus, the inventive collector maintains a tact of rest, helping to reduce the harmful effects of vacuum on the nipples of the animal, and at the same time helps to maintain the intensity of delivery corresponding to the milk yield of the animal.

Claims (1)

A milking machine collector, including a distribution and control chamber, an atmospheric pressure chamber, an alternating vacuum chamber, a constant vacuum chamber, a membrane, a double valve, characterized in that the collector contains an additional hole in the partition between the variable vacuum chamber and the constant vacuum chamber, which is blocked by a pop-up valve.