NL7807030A - Machine for bulb or plant preparatory treatment - has faces of absorbent spongy material against which plants rub - Google Patents

Abstract

The machine applies metered quantities of free-flowing or liquid preparation for plant or bulb treatment, having a storage vessel for the preparation. It has faces (5, 6) of material easily absorbing fluid, which is delivered to the bulbs rubbing against it, the material being typically spongy etc. These faces are connected to the vessel via metering devices. The faces can run at least part-way in the travel direction and also at right angles to it, and can be offset from each other, also extending to different levels.

Description

National Cooperative Purchase and Sales Association for Horticultural Countries G.A. "Cebeco-Handelsraad", in Rotterdam, the Netherlands

Device for dosed application of a liquid preparation λ

The invention relates to a device for the dosed application of a liquid preparation for the treatment of plants, bulbs, tubers or the like, which device is provided with means for storing the liquid preparation and with means for storing the preparation on the treat crops or the like.

In the known devices of this kind, the preparation is finely atomized as close as possible to the vicinity of the crops or the like to be treated. A drawback of the known devices is that much of the liquid preparation is lost because it does not end up on the crops to be treated or that it drips from these crops because the drops combine again. This is a great drawback when the preparation used is very expensive, while it is also a drawback when dealing with liquid preparations which, for example, must not come into contact with the crops to be harvested. In such cases, an attempt is made to avoid this drawback by using preparations which are selectively active, ie that they influence, for example, the weeds to be controlled but not the crops to be harvested.

The object of the invention is to provide a device in which only little liquid is used and in which the used preparation is applied selectively to the crops to be treated.

To this end, according to the invention, the device has surfaces which can perform a relative movement with respect to the parts to be treated and these surfaces form part of elements consisting of a material that readily absorbs liquid and objects that brush past it again. such as a spongy or mop-like material, and which elements communicate with means for storing the liquid through a metering device.

When such a device is used, the dosing device can continuously supply a very small amount, which is then distributed over a very large surface area via the spongy or mop-like material. Then it becomes. preparation released by the fact that this spongy or mop-like material strikes the crops to be treated. So there is no chance here that liquid will be lost or that it ends up in places where one does not want this, for example because drops are blown away.

According to the invention, the active surfaces of the elements can at least partly extend in the direction of movement. According to the invention, the active surfaces of the elements can at least partly extend transversely of the direction of movement. The elements can also be staggered relative to each other in the direction of movement or staggered relative to each other in a direction transverse to the direction of movement. Furthermore, the elements can extend differently in height direction and the surfaces of different elements can make different angles with the relative direction of movement with respect to the objects to be treated. By applying one or more of these measures, the chance that crops or parts of crops do not come into contact with the elements becomes practically zero.

According to the invention, the device can be designed as a wheeled carriage which can be moved. Because the device is particularly simple, the trolley can for instance be moved by hand in a version such as a two-wheeled 7807030 3-wheel trolley. This makes it easy to treat a crop even when it has appeared less regularly.

According to the invention the trolley can be provided with longitudinally extending screen plates which in operation separate one or more rows of crops intended for harvesting from weeds growing between the rows. Thanks to the shielding plates, it is absolutely certain that the elements for dispensing the preparation do not come into contact with the crops that one does not wish to treat.

According to the invention, the frame can be provided with at least two paired shield plates which enclose a row of crops during operation. This is particularly important if one wishes to treat the weeds between rows of crops.

According to the invention, in the direction transverse to the direction of movement, the distance between the two shield plates of each pair can increase towards the rear. It is then less likely that the crops protected by the plates at the bottom of the plates would be released too early.

According to the invention, the screen plates can be provided at the front with a cutting edge that can cut into the ground. In such an embodiment, plant parts lying on the ground are also enclosed with certainty by the screen plates.

According to the invention, the front edge of the shield plates can slope obliquely forward and downward. This improves the absorption of the row of crops to be protected.

According to the invention, the bottom edge of the screen plates can slightly rise from front to back. This is important if the ground on which the car is driving is not completely flat, it can then easily be ensured that the front ends of the shield plates always pass through or along the ground without risk of cutting too deeply into the ground and jam.

7807030 r * 4

According to the invention, the surfaces provided with means for receiving and dispensing liquid can form part of a rotor, which is driven during the advancement of the device. Under certain circumstances, this makes it possible to achieve even more intensive contact between the surfaces for receiving and dispensing liquid and the crops to be treated.

According to the invention, the rotor can advantageously be driven in a direction opposite to that of the carrying wheels. One then gets, as it were, a brushing effect from bottom to top on the crops.

According to the invention, the carriage can be provided with one or more horizontally extending apertured tubular elements through which liquid is supplied and around which hose-shaped parts of the liquid-absorbing and dispensing material are slid, which parts have freely hanging parts. This provides a particularly simple embodiment of the elements for dispensing the liquid. The free-hanging portions of the liquid-absorbing and dispensing material pass through the crops to be treated.

According to the invention, the pipe-shaped parts can be zigzag-shaped or wavy-line-shaped. There is then a very simple embodiment in which the freely hanging parts make different angles with the direction of movement of the carriage.

According to the invention, means can be disposed next to each pair of screen plates on the outside of the car over half the width per strip of weed for liquid delivery.

Half strips of the weeds to be treated are then spread with a run of the carriage on the side of the carriage. In the next course, the other half of that strip is treated.

Furthermore, according to the invention, a single shield plate can extend on the outside of the carriage at 7807030 * 5.

a distance from the adjacent pair of screen plates corresponding to the working width per strip of weeds to be treated. Fluid delivery elements are located between the pair of shield plates and this outer shield plate. A strip of crops that must not come into contact with the liquid is then screened on one side and the strip of weeds lying on that side of the crop is treated. In a subsequent passage, the strip of weeds lying on the other side of the row is then treated.

In an effective embodiment, the storage reservoir is carried by a holder which is movable up and down in a vertical guide and which is under spring action, such that, when the filling of the reservoir is consumed, it moves upwards and the liquid level remains constant. height remains. By a correct choice of the spring it is thus achieved that the liquid column which provides the pressure difference for supplying the liquid to the elements for dispensing the liquid remains the same, so that an equal amount of supply of liquid is always independent of the filling of the reservoir.

According to the invention, in an effective embodiment, the liquid-dispensing elements can be formed by stocking-shaped parts which protrude through an opening 25 in the bottom of the liquid reservoir and which are stretched by pins with a head-shaped part which contacts the top edge of the stocking-shaped part against the bottom the reservoir. The construction of these elements is very simple.

Furthermore, according to the invention, the liquid-dispensing parts can be arranged against the wall of a tube, through which more in particular seed potatoes are transported. Such a tube can for instance be arranged in a seeding machine so that the seed material is disinfected, for example, before it is placed in the furrow.

Finally, according to the invention, the liquid-dispensing parts can be placed at some distance above a conveyor belt or the like, such that these parts extend in the path of products lying on the conveying surface of the belt. With such a device, all kinds of products, such as, for example, seed potatoes or products that must be stored for a long time, can be treated with a pile.

The invention will be further elucidated in the following description of some exemplary embodiments with reference to the drawing.

10 In the drawing shows:

Fig. 1 schematically a device according to the invention in the form of a carriage;

Fig. 2 a detail of the device of FIG. 1;

Fig. 3 a detail in another embodiment; FIG. 4 a device according to the invention in another embodiment;

Fig. 5 shows a device according to the invention in top view in yet another embodiment;

Fig. 6 a detail from fig. 5 in a section along line VI-VI;

Fig. 7 is a cross section of a device according to the invention in yet another embodiment;

Fig. 8 a with FIG. 7 corresponding top view;

Fig. 9 a device according to the invention in perspective in yet another embodiment;

Fig. 10 a part of a device according to the invention in yet another embodiment; and

Fig. 11 a device according to the invention partly in view and partly in section.

The one shown in FIG. 1 dismantled device consists of a frame 1 with carrying wheels 2 and operating handles 3. On the frame 1 is mounted a plate 4 which is covered with an easily liquid-absorbing and releasing material 5. This material can for instance be spongy or mop-like. The dispensing material 5 is provided with protruding parts 6 which extend to different heights 7807039 * 7 *, and are arranged staggered relative to each other. These parts 6 are covered with the same material with which the plate 4 is covered. A reservoir 7 is further placed on the frame, which can be filled via an opening 8 closed by a cap. At the ends of the reservoir are outlets 9 and 10 with valves 11 and 10 respectively. 12 fitted. Using the shut-off valves 11 and 12, an adjustable small amount of liquid from the reservoir 7 can be supplied to the material 5.

This liquid distributes in the material 5 and in the protruding parts 6. In FIG. 1 it is schematically indicated that one has two rows 13 and 14 of a crop to be harvested between which weeds 15 grow. Screen plates 16 and 17 are further attached to the frame 1. These shield plates iron 15 in the drawn position of the device along the rows of crops 13 and 14. At the front, the shield plates 16 and 17 slant at 18 and 19 while at 20 and 21 cutting edges are cut which cut through the ground . When the device is moved over the land in the drawn position, the protruding parts 6 under the plate 4 run along the weeds 15 which lie between the screen plates. The shield plates 16 and 17 protect the rows of crops 13 and 14 against contact with the liquid-emitting parts 6. When using a weed killer there is therefore no chance of it coming into contact with the plants that have to be harvested. In the manner described, a minimum of liquid can be used, which is important when using an expensive pesticide. Nor does it now be necessary to use a means that works selectively. Thanks to the design of the device, it is achieved that the selection of the plants to be treated takes place mechanically.

Fig. 2 shows the parts 6 of FIG. 1 seen in bottom view. Fig. 3 shows another embodiment on a larger scale. Here, the liquid is supplied to a reservoir 35 22. Holes 23 are provided in the bottom 23 of this reservoir, through which pins 24 protrude, which are provided with a head 7807030 »8 25. Around the pins 24 is a stocking-shaped part 26 of easily absorbing liquid and - dispensing material. The stocking 26 is provided at the top with a collar 27 which is pressed against the bottom 23 of the reservoir 22 by means of the head 25. The stocking 26 is tensioned thanks to the pins 24. The pins 24 with the stockings 26 can be arranged at the bottom of a carriage in a similar manner as the projections 6.

Fig. 4 shows a frame suitable for mounting on, for example, a tractor. The frame 28 is provided for this purpose with fasteners 29 and 30.

Here, the frame carries a number of rotor blades 31 which are covered with an easily fluid-absorbing and dispensing material. When the rotor is driven by means of the worm gearbox 32, the rotor blades 31 pass along parts 33 which are also provided with liquid-absorbing and dispensing material. Liquid is supplied to these parts 33 from the reservoir 34. In the embodiment of FIG.

4, the bearing wheels are not shown and the shield plates 20 are also omitted for clarity. The rotor blades rotate in opposite directions compared to the rotation of the load bearing wheels.

Fig. 5 shows in top view a device consisting of a frame 35 which is provided with supporting wheels 36 and 37. The frame is further provided with two pairs of screen plates 38 and 39. The plates 38 and 39 are sloping sides 40 on the front sides. and 41 as the spacing between the plates 38 and 39 increases backward as in FIG. 5 can be seen.

This reduces the chance that the crops picked up between the plates 38 and 39 will end up under the edges of the plates 38 and 39. The liquid supply device consists of corrugated curved pipes 43 and 44 between the plates 38 on the one hand and the plates 39 on the other. These pipes 43 and 44 are provided with holes and with means for supplying liquid thereto from a reservoir (not shown). Around the pipes is a stocking-shaped part that is provided with a freely hanging flap. As the device advances, this freely hanging flap strokes along the weeds to be treated between the 5 rows of plants 42. A similar pipe 45 and 45 extends on the outside of the plates 38 and 39 respectively. 46 to which liquid is also supplied and which is also provided with a stocking with a freely hanging part.

In FIG. 6 the pipe 46 is drawn in cross section with the stocking 47 and the free hanging part 48. The weed plants are indicated by 49. The parts 45 and 46 extend over half the width of the strip between the rows 42. At a passage the full area between two rows 42 and half of the adjacent strips of the device is thus covered. The other half of the latter strips are processed at a subsequent pass. The plants of the rows 42 are thus always well protected by the screen plates 38 and 39. In the drawings shown in FIG. 5, the frame 35 can be adjusted in width direction so that the device is suitable for different distances between the rows of plants to be harvested. The frame here has two telescopically co-operating parts 50 which can be secured by means of a screw. At the height of the wheels 36 and 37 there is a set of 25 correspondingly cooperating telescopic parts 51. These too can be fixed again with a screw.

The device according to Figs. 7 and 8 schematically show how the shield plates are united into a hood 52. The bottom edges of the hood 52 'lightly cut through the bottom and thereby protect the plants 53 in a very effective manner. U-shaped pipe 55 attached to the frame of which the cap 52 forms part. The U-shaped pipe is provided with holes 56 and is surrounded by sleeve-shaped parts 57 and 58, which in turn are provided with free-hanging parts 59 as shown in FIG. 7 can be seen. Liquid is supplied to the U-shaped pipe 7807030 f 1 ° 55 via line 60. On the other side, the device has correspondingly U-shaped pipes 61 with freely hanging parts.

Fig. 9 shows a conveyor belt 62 which is guided around end rollers 63. Products to be treated lie on the conveyor belt 62. Pipes 65 extend above the conveyor belt to which liquid is supplied via a line 66. The pipes 65 have unspecified holes. An easily liquid-absorbing and dispensing material in the form of a mop-like portion 67 is wrapped around the pipes 65. The material supplied via the conduit 66 divides through the mop-like material 67 and because it hangs freely, the products 64 will come into contact with this sagging part 67 and be moistened with the liquid.

Fig. 10 shows a sleeve 68 which is internally provided with portions 69 of easily absorbing and dispensing material. Liquid 20 can be supplied to this material from parts 69 via openings which are not further indicated. Products falling through the tube, such as for example onions or bulbs 70, here collide with the various parts 69 and are thereby wetted with liquid. Such a tube 68 can for instance be used in a planting device, so that the seed material can be disinfected in a simple and effective manner before it enters the feed.

Fig. 11 schematically shows another device which largely corresponds to that according to FIG. 5. Here again there is a frame 71 which is provided with means 30 72 for moving it by hand, for which carrying wheels 73 are present. Shield plates 74 are beveled at 75 at the front and have a section that cuts through the ground at 76. At the rear, the bottom edge 77 of the shield plate 74 slopes slightly, making handling of the device easier, especially when the ground is uneven. Again there is a pipe 78 which is pre-7807030

Claims (23)

1. Device for dosed application of a liquid preparation for the treatment of plants, bulbs, tubers or the like, which device comprises means for storing the liquid preparation and means for applying the preparation to the crops or the like to be treated , characterized in that the device has surfaces which can carry out a relative movement with respect to the parts to be treated and that these surfaces form part of elements consisting of a material that readily absorbs liquid and delivers it again to objects that run along it such as a spongy or mop-like material, and which elements communicate through a metering device with means for storing the liquid at 7807030 ƒ 3. Device as claimed in claim 1, characterized in that the active surfaces of the elements extend at least partly in the direction of movement. Device according to claim 1 or 2, characterized in that the active surfaces of the elements extend at least partly transverse to the direction of movement. Device according to one or more of the preceding claims, characterized in that the elements are staggered relative to each other in the direction of movement. Device according to one or more of the preceding claims, characterized in that the elements are staggered relative to each other transversely of the direction of movement. Device according to one or more of the preceding claims, characterized in that the elements extend differently in height direction. Device according to one or more of the preceding claims, characterized in that surfaces of different elements make different angles with the relative direction of movement with respect to the objects to be treated, 8. Device as claimed in one or more of the foregoing claims, characterized in that the device is designed as a wheel-equipped carriage which can be moved. Device according to one or more of the preceding claims, characterized in that the trolley is provided with longitudinally extending screen plates which in operation separate one or more rows of crops for harvesting from between the growing weeds. 10. Device as claimed in claim 9, characterized in that the frame is provided with at least two paired shield plates which enclose a row of crops during operation. 11. Device according to claim 10, characterized in that in the transverse direction of the movement the distance between the two shield plates of each pair increases towards the rear. 12. Device as claimed in one or more of the claims 9-11, characterized in that the screen plates at the bottom front are provided with a cutting edge that can cut into the ground. 13. Device as claimed in one or more of the claims 9-12, characterized in that the front edge of the shielding plates leads diagonally upwards and downwards. Device according to one or more of claims 8-14, characterized in that the surfaces provided with means for lifting and dispensing liquid form part of a rotor, which is driven during the advancement of the device. Device according to claim 15, characterized in that the rotor is driven in a direction opposite to that of the carrying wheels. Device according to one or more of claims 8-14, characterized in that the carriage is provided with one or more horizontally extending opening-shaped tubular elements through which liquid is supplied and around which hose-shaped parts of the liquid-absorbing and releasing material are slid, which parts have freely hanging parts. 18. Device according to claim 17, characterized in that the pipe-shaped parts are designed in a zig-zag or wavy-line shape. 19. Device as claimed in one or more of the claims 8-18, characterized in that means for dispensing liquid are disposed next to each pair of screen plates on the outside of the car over half the width per strip of weeds. Device according to one or more of claims 8-18, characterized in that a single screen plate extends on the outside of the car at a distance 7807030 * * from the adjacent pair of screen plates corresponding to the working width per strip of weeds to be treated and that elements for dispensing liquid are interposed between the pair of shield plates and this outer shield plate. Device as claimed in one or more of the foregoing claims, characterized in that the storage reservoir is carried by a holder which is movable up and down in a vertical guide and which is under spring action, such that, when the filling of the filling is consumed, reservoir moves it up and the liquid level remains at a constant height. Device according to one or more of the preceding claims, characterized in that the liquid-dispensing elements are formed by sleeve-shaped parts which protrude through an opening in the bottom of the liquid reservoir and which are stretched by pins with a cup-shaped part which has the top edge of the stocking-shaped part against the bottom of the reservoir. Device according to one or more of the preceding claims, characterized in that the liquid-dispensing parts are arranged against the wall of a tube through which more particularly seed potatoes are transported. Device according to one or more of the preceding claims, characterized in that the liquid-dispensing parts are placed some distance above a conveyor belt or the like, such that these parts extend in the path of products lying on the conveying surface of the belt. 7807030