FI57515B - ANORDNING FOER PAOFOERING AV ENSILAGEVAETSKA PAO GROENFODER - Google Patents

Description

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National Board of Patents and Registration (44) NthUvllulpinon |. kuul.lulk.ltun pvm.-, n ης An

Patent-och reglsterstyrelsen Ansakin utiijd och uti.skrift.n pubiiccred du.u ^ .ou (32) (33) (31) Pyydetty .tuolk.u «—B * j4rd prlorltut 15.10.71

England-England (GB) 1 + 8052/71 Proven

Styrkt (71) BP Chemicals International Limited, Britannic House, Moor Lane,

The present invention relates to an improved apparatus. London EC2Y 9BU, England-England (GB) (72) Edward Barnes, Speldhurst, Kent, England-England (GB) (7M Oy Kolster Ab (5M) Addition of preservative liquid to vegetable feed to add preservative fluid when repairing, cutting and / or transporting Tihantareh.ua.

Recently, it has been found advantageous to add preservative fluids when harvesting, mowing and / or transporting green fodder. For example, equipment has already been used to directly add preservation fluid, e.g., pre-dissolved formic acid during green fodder harvesting using green fodder cutting machines. This liquid is normally added to this feed in the form of a spray and the symptoms are applied either directly to this feed or in front of the harvester or to the flow of this feed after mowing. Although a separate pump is sometimes used to pressurize this preservation fluid to facilitate spraying, it has been found simpler and more convenient to use the natural pressure created by its fluid head. The device using the pressure of the liquid column normally consists in its simplest form of an articulated tank which, in its inverted position, disperses 5751 5 of liquid inside it under the pressure of the liquid column through a feed pipe to a nozzle in this harvester. In order to achieve a relatively constant pressure, it is customary to supply air to this tank from its lowest point through a pipe, the open end of which is located above the level of the surface of this liquid in the tank.

This tube is normally attached to the tank. The disadvantage of this type of device is that replacing this tank with a new one requires it to be turned 180 ° from its original position, thus wasting all the liquid in the air vent pipe. As the preservative liquid is normally acidic and corrosive in nature, the user is exposed to the risk of damage due to the spilled liquid when the containers are replaced.

An improved device has now been invented in which a portion of the air tube is separate from an articulated mounted container and is attached to a point adjacent to this container structure which is fixedly located above the uppermost end of this container with the container inverted. This avoids the waste of liquid described above, which is characteristic of all similar devices known so far.

Accordingly, there is provided an apparatus according to the present invention suitable for use in adding preservative fluid to harvesting, mowing and / or transporting green fodder, the apparatus comprising a bracket for supporting a container with an outlet in an approximately vertical position mounted on a pivotable axis so that the container is pivotable. about an axis to the lowest position of the outlet, the outlet being closed by a closure through which the first hose passes through which the liquid contents of the container are discharged from the container and terminates in a nozzle below the level of the container outlet; and a second hose through the container to the ambient atmosphere .

It should be considered more advantageous to use this device to add preserving liquid when harvesting vegetable fodder, preferably with a harvester. The forage harvesters commonly used are the single-blade cutter, the twin-blade cutter, the cutter and ground-cutter, the cylinder cutter and the flywheel cutter.

This device is most preferably placed in the harvesting machine in a position suitable for spraying one preserving liquid to the first point in this harvesting machine through which all the harvested crop passes. This point is located at different positions in each case of a forage harvester, as mentioned above, e.g. most preferably 5,57515 directly above the knives on the drum.

The flow of tank liquid through this nozzle is most preferably stopped and started while this machine is in motion, depending on whether the machine is operating during harvesting or not. This can be accomplished with a simple on / off valve actuator that can be conveniently operated either manually or automatically. This on and off valve is preferably installed as close to the nozzle as the design of this harvester allows.

The preservative is most preferably formic acid, which can be used either undiluted or in solution. This formic acid may or may not contain additives such as wetting agents. Other types of preservatives may also be used.

The invention will now be described in more detail by way of example and with reference to the accompanying drawings, in which Figure 1 is a schematic view of a part of a harvesting machine equipped with a device according to the present invention.

Figure 2 is a front view of the device in accordance with the present invention.

Figure 3 shows a part of a sectional view of a preferred air vent pipe anchoring device.

Figures 1 and 2 show a trough G of a harvesting machine in which a reservoir of reservoir liquid is placed and mounted. This container, which is generally made of a plastic material, but may be made of any suitable material, is preferably one in which the manufacturer distributes the preservative fluid. By using the same container, problems related to the transfer of corrosive liquids such as spillage can be avoided. This container is placed in a support structure J. which is mounted at a point H in the frame B so that this container is substantially vertical. A fastening strip, preferably made of rubber, may be used to secure this container in this position. Once the container is in place, the original container closure part that follows it from the factory is removed and replaced with a special cap part C associated with the device shown in Figures 1 and 2. This special stop C includes two openings through which the air vent pipe F and the liquid outlet pipe E pass into this tank. The same pipes are of such a length that the tank can be placed upside down without causing unnecessary load on this cap part or excessive twisting of the hoses. The other end of the air vent pipe is located at a specific point in the anchoring device, which is attached to this harvester trough with bolts or glue to a certain point * above the highest surface level of this tank when this tank is in its inverted position.

4 5751 5 The end of this liquid outlet pipe is attached to a suitable nozzle M after it has been passed through the open / close valve K. This nozzle is located in hole 0 in the chute of this harvester and is positioned in place by a spring buckle K held in place by bolt L. The hole in this trough is more preferably located at any suitable location at a distance greater than about 30 cm below the level of this container closure when this container is upside down in its inverted position.

The open / close valve shown, which is operated with the hand in its closed position and all the pipes connected to this container, which is initially in its upright position, is then tilted by an angle of approximately 180 ° so that the container is upside down. When the open / closed valve is opened, it is forced by the hydrostatic pressure exerted by the weight of the liquid column on the liquid outlet through the outlet pipe and through the nozzle to the vegetable passage passing through this harvester. The air vent allows a steady flow by neutralizing the vacuum that would otherwise develop in this tank.

When the tank is empty, it is necessary to replace it. As a result, it is necessary to turn the container back to its upright position, during which operation in previously known devices there is a tendency for the air vent pipe to rotate with the test container and drain from the end of this pipe, and this also happens when the container is turned upside down. In the case of the device now described, this tendency to drain into the ground is avoided.

Figure 3 shows a preferred air duct anchoring device with the duct in place. This anchoring device can be fastened, for example, with screws or by gluing it to a comfortable position in this harvesting machine. This pipe is introduced into the anchoring device from point B and is pushed through the nozzle opening until the end of this pipe enters a chamber C provided with wind tunnels A. Through the chamber C a wedge F is inserted into the open end of this pipe to prevent this pipe from collapsing. To prevent harmful substances from entering, a plug E is fitted in the chamber C.