WO2017055266A1 - Verteilturm einer landwirtschaftlichen verteilmaschine und verfahren zur reihenabschaltung an einem derartigen verteilturm - Google Patents
Verteilturm einer landwirtschaftlichen verteilmaschine und verfahren zur reihenabschaltung an einem derartigen verteilturm Download PDFInfo
- Publication number
- WO2017055266A1 WO2017055266A1 PCT/EP2016/072962 EP2016072962W WO2017055266A1 WO 2017055266 A1 WO2017055266 A1 WO 2017055266A1 EP 2016072962 W EP2016072962 W EP 2016072962W WO 2017055266 A1 WO2017055266 A1 WO 2017055266A1
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- WIPO (PCT)
- Prior art keywords
- return
- distribution
- shut
- bypass
- distributor
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/081—Seeders depositing seeds in rows using pneumatic means
- A01C7/084—Pneumatic distribution heads for seeders
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/087—Tramlining
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C7/00—Sowing
- A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
- A01C7/088—Sectional seeding
Definitions
- the present invention relates to a distribution tower of an agricultural
- the invention further relates to a method for series disconnection on a distribution tower of a
- the granulate-like material to be transported is carried along or provided in a storage container of the machine, and the mixed material then mixed by means of various metering devices into an air volume flow, which is generally generated by a fan, whereby a distribution air volume flow is produced.
- This distribution air volume flow is then transported on to a distribution tower on.
- Assigned to the distributor tower is a generally circular
- Distributor head at the periphery of which there are a plurality of outlets.
- Distributor head is the one central distribution air volume flow divided into a plurality of divider part air flow rates corresponding to the number of outlets or rows. By means of seed lines, the distribution material is passed to a large number of these subordinate row units or discharge devices such as coulters or the like. In order to achieve the most uniform possible distribution of the Verteilguts at all outlets or dispensing devices, the distribution tower or the distribution head as constant as possible lateral distribution or the lowest possible
- DE 10 2005 038 216 A1 describes a distributor head in which individual outlets can be closed by means of a slide. By switching off individual outlets, however, too high a flow rate can be caused in the non-disconnected outlets, causing the
- Distribution tower is no longer strong enough and the distribution can no longer be transported or that the distribution tower could clog.
- the material to be spread is also distributed in this case to a smaller number of outlets, which in turn no longer the desired application rate is applied to the dispensing devices, but an increased amount. Although this could also be improved by reducing the amount of Verteilgut. Only such a control of the machine is usually sluggish, whereby a fast and frequent switching off and on of outlets or rows is not possible, but especially in connection with the increasingly desired in agriculture Section Control or a site-specific management is not satisfactory.
- both the air volume flow and the Verteilgutmenge can only be reduced to a certain extent or proportion. If the air volume flow and the quantity of granulate are reduced too much, the transverse distribution can not be sufficiently accurate.
- Air flow must be reduced when switching off individual outlets.
- the system provides for a return of the Verteilguts in the reservoir, which has proven to be very expensive part. Likewise, so that the
- Air volume flow can escape through the bypass in the case of a return of the returnable material to the collector, a back pressure in the line in the direction of the collector
- EP 0 642 729 A1 Another system for switching off individual outlets on a distributor head has become known from EP 0 642 729 A1.
- the distribution air flow can be conveyed by means of a switch either in the direction of a dispensing device or in the direction of a riser of the distributor tower, wherein for the return of the
- Verteilguts in the riser at this a funnel-shaped receptacle is mounted with a plurality of connecting pieces. Hoses are installed between the switch and the connecting piece. Since, in this embodiment, both the material to be transported and the air volume flow are returned to the riser pipe, in turn both the quantity of distributor material and the air volume flow must be reduced. However, this reduction of the air volume flow again results in different pressures in the distributor tower, as a result of which the transverse distribution deteriorates.
- One possibility of air separation for example via a bypass as in EP 0 799 560 B1, does not exist in this case.
- EP 0 642 729 A1 A further development of EP 2 695 508 B1.
- the hoses In order to simplify the distribution of recirculation in the riser, the hoses have been replaced by a funnel-shaped element, which connects funnel-shaped element both to the points and to the riser. Further elements are not needed. Since also in this embodiment, both the Verteilgut and the
- Air volume flow are returned to the riser, in turn, both the Verteilgutmenge and the air flow must be reduced.
- Distributor towers or spreading machines is that the transverse distribution may vary depending on the length of the attached seed lines, as depending on
- a plurality of distributor towers with distributor heads is known from the prior art, on each of which distributed over the circumference of a plurality of outlets or rows are arranged, which can be switched off in each case by means of switches.
- the known distribution towers each have the problem that by switching off individual outlets and a Verteilgutgur entry each change the pressure levels, air flow rates and flow rates, whereby the transverse distribution deteriorates and whereby only a limited number of outlets can be switched off, without blockages of the system or to worsen the lateral distribution too much.
- the present invention is therefore based on the object, a distribution tower of an agricultural distribution machine for delivering granular
- Distributing goods provide in which a shutdown of any number of outlets to no significant or very little deterioration of the lateral distribution leads, which is not susceptible to blockage and which is independent of external influences, such as different seed line lengths. Another object of the present invention is seen in a method for a
- the invention proposes a distribution tower of an agricultural distribution machine for discharging granular distribution material such as seeds, fertilizer or the like.
- the distribution tower has a riser, by means of which the distribution material to be delivered in each case with the aid of an air volume flow in the direction of a preferably annular, adjoining the riser,
- the riser of the distributor tower usually has an approximately vertical course or slightly inclined with respect to a vertical course and opens at the top in the distributor head, which should provide for a branching and distribution of the air and grain volume flow in a plurality or plurality of outlets.
- the distribution head has distributed over its circumference a plurality of outlets or rows, by means of which outlets transported through the riser and divided in the distribution head according to the number of outlets, Verteilgut-air flow in the direction of, for example.
- ground or near ground guided application devices such as disc coulters , Zinkenschare or the like is transported.
- the first of the riser passing Verteilgut-air flow is thus divided in the distribution head into numerous Verteilgut-part-air flow rates, the number of Verteilgut-part- air flow corresponds to the number of outflows or to be prepared rows.
- At least one of the outlets or a row is associated with a shut-off, which has a controllable switch.
- the distribution part-air volume flow present in the outlets can be diverted in the direction of a seed line or in the direction of a return area or a return device, the return area or the return line and the seed line being pneumatically connected by means of a bypass.
- the mentioned controllable switch can be designed or configured differently and designed as a motor-adjustable flap o. The like., With the motor
- Adjustment about electromotive, pneumatic or hydraulic can be done.
- the switch can also be designed as a ball valve o.
- the like. So that the Verteilgut-part-air flow is adjustable and controllable, and not just off or must be switched on, but optionally can also be modulated.
- the return region opens into a return device which surrounds or is part of the seed tube, the seed tube being in the region of the return device Has openings by means of which the riser and the return device are pneumatically connected.
- the riser, the return device, the return area, the bypass and the seed line are permanently pneumatically connected, regardless of the respective position or position of the switch.
- a pressure level P 1 occurs in the return device and a pressure level P 2 and / or P 3 in the return region or in the bypass, in which case P 1 is less than or equal to P 2 and / or P 3.
- Seed line lengths or the like Have no or negligible effects on the transverse distribution of agricultural distribution machine.
- further components of the distributor tower can additionally be permanently pneumatically connected, for example the distributor head, so that, for example, the riser, the return device, the return section, the bypass, the seed line and the distributor head are permanently pneumatically operated are connected, regardless of the respective position or position of the switch.
- the distributor tower according to the invention is preferably used in agricultural distribution machines, such as seed drills.
- Such machines usually have a funnel-shaped reservoir for storing and providing the preciselymeterden Verteilguts. At the lowest position of the reservoir this is associated with a metering device.
- this metering device By means of this metering device which is to be delivered in each case in a desired amount in one with a
- Air volume flow metered line system dosed The air volume flow is with a blower, for example. In the form of a centrifugal or a centrifugal blower or the like. Generated. By adding distributing material to the air volume flow, a distribution air volume flow thus arises in the line system. With the help of this, the Verteilgut is transported at a flow velocity in the direction of the distributor tower.
- the distributor tower initially has, for example, a largely vertically extending riser pipe, at the upper end of which a distributor head with a plurality of outlets or rows uniformly attached to its circumference follows. In the distributor head, the distribution air volume flow undergoes a reversal of direction from a bspw.
- This consists of at least one Saat einsan gleich to which a seed line can be attached, by means of which the Verteilgut in the direction of near-ground or in the ground outfeed facilities such
- the shut-off device has a return region, for example in the form of a return connection or a return opening, which in turn is connected to a return device, by means of which return device the material to be conveyed is conveyed or guided back into the riser. Whether the distribution material is directed in the direction of the seed line or in the direction of the return area, can be controlled with a, preferably present in the shut-off device or integrated switch.
- the shut-off device can be designed as a separate part, which is attached to the outlets of the distributor head.
- the shut-off device or in particular the switch could be integrated in the distributor head, wherein the switch, for example, as a controllable flap or as a ball valve o. The like. May be formed.
- the switch is motorized adjustable or controllable.
- the bottom surface of the distributor head could have return openings corresponding to the number of outlets or points, which return openings serve as return areas.
- a return device in the form of a funnel could connect to the return opening.
- the return device can be designed in various ways. So it would be conceivable that this is designed as a tube which surrounds the riser, wherein the riser in the region of the return means has openings, whereby the riser and the return means are pneumatically connected.
- openings can be conveyed or routed from the return device back to the riser.
- a plurality of nozzles may be attached to the return device, preferably along the circumference, to which in turn return lines are attached, which establish a connection between the return region and the return device.
- the return device could be funnel-shaped, which funnel surrounds the riser and on the one hand in the region of the openings in the riser and the other in the Return area opens, by such an embodiment of the parts cost could be substantially reduced.
- the return area can be formed in various ways. Thus, this example, as a return opening, which, for example. In the bottom surface of the distributor head or one of the outlets or the shut-off device is mounted, be executed. Likewise, the shut-off device may have a return port, which serves as a return area. Likewise, the return region and the return device could form a unit, in particular if the return device is formed as a funnel-shaped element, which opens, for example, with its lower end in the region of the openings of the riser and which with its upper end in the region
- a return line which opens into the return device, could also be connected to the return region by means of a return connection.
- two or more return areas could be connected or coupled by means of a claw and in turn connected to the claw a return line.
- the riser may also have a nozzle. Wherein, in the region of this nozzle, the cross section of the riser initially tapers conically and then enlarged conically back to the output cross-section. It can be provided that the riser tube has at least one nozzle, which nozzle in the region of the smallest cross-section openings are assigned, which is a pneumatic
- the riser could be at least two in Assemble row of attached nozzles.
- the individual sections of the corrugated pipe can each be connected, for example, by means of welding or by means of clamping pieces.
- the sections may be formed of a metallic or non-metallic material.
- the riser could be made in one piece and, for example. Plastic.
- To the riser includes a, preferably circular, distribution head. This
- the dispensing head can have a mushroom-shaped lid surface, a flat lid surface, a conical lid surface or the like.
- the transported through the riser distribution is u by means of the air flow. a. conveyed against this cover surface and diverted from this in the direction of attached to the circumference of the distributor head outlets or rows.
- the more uniform this distribution between the outlets the more uniform is the transverse distribution of the distribution material of the agricultural distribution machine.
- the transverse distribution is u. a.
- the flow rates in the respective outlets which in turn depend, for example.
- the return region, the return device and the seed line connection are permanently pneumatically connected to all outlets or shut-off devices. This is preferably done via a bypass.
- bypass can be configured in various ways.
- the bypass z. B. have the slots, holes or the like. Openings, by means of which a permanent pneumatic
- Partition be mounted between the return area and the seed line connection. Likewise, such slots, holes or the like. Openings in a partition wall between, for example.
- Saat einsan gleich be attached.
- the slots, holes or the like. Openings are in each case selected in such a size that a sufficient Air flow through the bypass openings can escape, but not distribution. It would also be conceivable that, for example, the switch is pivoted in such a way between the open and closed position, that in each case a desired Air flow through the bypass openings can escape, but not distribution. It would also be conceivable that, for example, the switch is pivoted in such a way between the open and closed position, that in each case a desired
- Air flow can escape through a resulting opening between the switch and the housing of the distributor head or the shut-off device.
- the bypass could be designed as a pipe or hose.
- the bypass is used as an air duct in the
- shut-off device or the distributor head integrated.
- the shut-off device can, for example, provide a flange surface, by means of which it can be used at the outlets of the
- Distributor head can be mounted.
- the flange variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, variously flanges, various components, etc.
- shut-off device has a return area, for example.
- a return area for example.
- the return area can be composed of a return channel and a return port, which, for example.
- a seed channel can be arranged.
- these two channels can be arranged at an angle to each other, which angle is, for example, 90 °.
- a pivotable switch is arranged, by means of which in each case the distribution air volume flow between the channels or the connections can be diverted.
- Return connection and the seed line connection preferably have a substantially same outer diameter of, for example, 30 mm, which also have different diameters and may be different from each other.
- the seed channel and the return channel can be arranged at right angles to each other, wherein in turn the seed channel could be arranged horizontally to the flange and the return channel parallel to the flange.
- Sectionwise parallel to the seed channel and / or to the return channel, the bypass may be as
- the deflecting separator preferably has an angle of at least 90 °, but preferably at least 135 °, but in particular approximately 180 °, on, whereby the air volume flow can escape proportionately via the bypass, however, leakage of dispersed material is prevented via the bypass.
- the degree of separation must be as high as possible, so that when the soft is closed the material to be conveyed is conducted back into the riser in the direction of the return region, but the air volume flow can escape via the bypass in the direction of the seed line connection.
- the separation between the distribution material and a proportion of the air volume flow takes place via the separation area.
- the bypass has, in particular, a cross-section which is chosen such that, when the switch is closed, it has flow resistance that is as similar as possible to the seed line when the latter is open
- the cross section or the width of the bypass is, for example, in the execution as a pipe, hose or air duct, for example. 30mm or 25mm or 20mm.
- the existing in the switch slots and / or holes and / or openings are selected accordingly. This ensures that at any time a sufficient amount of air volume can escape via the bypass.
- the pivoting of the switch is effected by means of an electric and / or pneumatic and / or hydraulic and / or the like.
- Actuator again the control of this is done by means of a computer unit present on the distributor.
- the computer unit can transmit, for example, by manual input by an operator or based on GPS data corresponding signals to the actuator.
- a section control system in which individual outlets can be switched independently of each other arbitrarily and away, could be provided also is thus by the present invention, a subsite specific
- Dispensing be promoted or in the closed position on the
- shut-off device, the seed line and / or the return area can furthermore be assigned a sensor, for example in the form of a bump sensor or an optical sensor, by means of which the number and / or the quantity
- the values of the sensor could be used in particular to regulate the position of the switch accordingly, i. If the sensor detects that a desired amount of material is being exceeded, the switch closes or the switch assumes a position in which more material is transported in the direction of the return area and vice versa.
- the riser preferably in the region of the nozzle, the return means and the return area and the
- Seed line connection or the seed line permanently pneumatically connected by means of the bypass, regardless of the position of the switch.
- the bypass could in this case, for example, be designed as a pipe, hose or the like.
- a pressure level P1 and in the seed line a pressure level P2 and / or P3, wherein P1 is less than or equal to P2 and / or P3.
- Such a pressure compensation device could be used in particular in combination with one or more shut-off devices, so that, for example, only a certain number of outlets are provided with shut-off devices on a distribution tower and the remaining ones with pressure compensation devices. This would have the advantage that the distribution tower still has all the advantages of adjusting itself
- the switch could be realized in a variety of ways, for example. As a flap. However, there would be other types of design conceivable, so the switch could, for example, work on a ball valve principle and, for example, be designed as a sphere or cone in which a diversion of Verteilgut- air flow through rotation of the ball or cone takes place.
- the invention further proposes a method for series shutdown, in particular for single row shutdown on a distribution tower of an agricultural distribution machine for discharging granular-like distribution material such as seeds, fertilizer or the like before.
- the distributor tower has a riser pipe, by means of which the distributor material to be delivered in each case is driven by means of an air volume flow in the direction of a preferably annular one adjoining the riser pipe
- Distributor head is transported.
- the distribution head has distributed over the circumference of a plurality of outlets or rows, by means of which outlets transported through the riser and distributed in the distribution head according to the number of outflows Verteilgut-air volume flow in the direction of, for example, in the ground or near ground guided application devices such as disc coulters, Zinkenschare or the like is transported.
- Each of the outlets or each row is assigned a shut-off device.
- the shut-off device has a switch. This switch can be used in outlets Rows existing distribution-part-air volume flow are diverted in the direction of a seed line or in the direction of a return area, the return area and / or the return device and the seed line are permanently pneumatically connected by means of a bypass.
- the return area opens into a
- the pivoting of the switch - formed, for example, by a pivoting flap or a ball valve o.
- the like. By means of an electric and / or pneumatic and / or hydraulic and / or the like.
- Actuator in turn, the control of this by means of a distributor existing computer unit takes place.
- the computer unit can transmit, for example, by manual input by an operator or based on GPS data corresponding signals to the actuator.
- a section-control system in which individual outlets are independently switched on and off arbitrarily, could be provided, which can be further improved by means of small travel paths of the switch or correspondingly fast actuators.
- any number of outlets can be switched on or off at a sufficient speed, thereby providing an application of section control.
- the distribution air flow can be in the open position in the direction of the seed line connection and in the direction of a
- Dispensing be promoted or in the closed position on the
- shut-off device, the seed line and / or the return region can be a sensor, for example, in the form of a bump sensor or an optical sensor Be associated with sensors, by means of which the number and / or the amount of
- the values of the sensor could be used in particular to regulate the position of the switch accordingly, i. If the sensor detects that a desired amount of material is being exceeded, the switch closes or the switch assumes a position in which more material is transported in the direction of the return area and vice versa.
- the riser preferably in the region of the nozzle, the return device and the return region, which is preferably designed as a return line and / or return line and / or a return opening, and the seed line connection or the seed line by means of the bypass permanently pneumatically connected, regardless from the position of the switch.
- Seed line lengths or the like whereby the lateral distribution always remains largely constant and whereby a single row shutdown of outlets is realized independently of the number of closed outlets or points.
- each of the amount of dosed by the metering device in the piping distribution can be reduced accordingly, and this may be required only from a certain number of sealed outlets, for example. Five outlets ,
- Fig. 1 shows a schematic view of an agricultural distributor.
- Fig. 2A shows a perspective view of a distributor tower.
- Figures 2B and 2C show in two side views in section a distribution tower with different positions of a switch.
- Fig. 3A shows a perspective view of another embodiment of a distribution tower.
- FIG. 3B shows in a side view in section a further embodiment variant of a distributor tower with different positions of a switch.
- Figures 4A and 4B show an embodiment of a shut-off unit with different positions of a switch.
- Fig. 5 shows in a side view in section another embodiment of a distribution tower without switch.
- FIG. 1 shows a schematic view of a distributor tower 10 installed in an agricultural machine 12.
- This machine is a seed drill, which is used for distributing granular material such as seeds, fertilizer or the like.
- the machine has a storage container 14 for storing and providing the distribution material to be delivered in each case.
- Reservoir 14 is funnel-shaped, wherein this is associated with a metering device 16 at its lowest position.
- a metering device 16 By means of the metering device 16 is to be applied in each case in a desired amount in a distribution with a
- the air volume flow is generated by a blower 20 also associated with the line system 18.
- a distribution air volume flow is created.
- the distribution material is conveyed via the line system 18 in the direction of the distributor tower 10.
- the distributor tower 10 initially has a vertically extending riser 22, at the upper end of which a distributor head 24 connects with a plurality of outlets 26, which are arranged uniformly on its circumference.
- the distribution air volume flow first undergoes a reversal of direction from a movement along the riser 22 in a movement in the direction of the outlets 26, in which case the individual central Verteilgut-air flow in a plurality, corresponding to Number of outlets 26, divided by distribution-part-air flow rates.
- At least one of the outlets 26 is assigned a shut-off unit 28, shown schematically here, with a switch 30, not shown here.
- Rows 26 are each arranged at least one seed line 32, by means of which the material to be transported from the distributor head 24 in the direction of ground near or in the ground out here not shown application devices such as disc coulters or tine coulters or the like. Is transported.
- FIGS. 2A, 2B and 2C show in different views
- Embodiment variant of a distributor tower 10 according to the invention wherein the 2A in a perspective view and the figures 2B and 2C show this in a side view in section.
- the distribution tower 10 consists essentially of a riser 22, at the upper end of which a distributor head 24 connects. On the circumference of the
- Distributor head 24 a plurality of outlets or rows 26 are arranged at regular intervals.
- the distributor tower 10 initially has an arcuate
- Transition piece 34 on. By means of this there is a reversal of direction of the Verteilgut- air flow from a largely horizontal into a vertical
- transition piece 34 includes a riser 22. This consists of different sections. Initially, this has a nozzle 36. By means of this, the cross section of the riser 22 is first conically reduced and
- the individual sections of the riser 22 can each be connected, for example, by means of welding or by means of clamping pieces. Likewise, the sections may be formed of a metallic or non-metallic material. Also, the riser 22 could be made in one piece and, for example. Made of plastic.
- a circular distributor head 24 connects. This has in the embodiment of Figures 2 on a flat cover 44.
- the distributor head 24 could, however, also have a great variety of other shapes, for example mushroom-shaped or the like.
- the distribution air volume flow stream is formed from a vertical deflected in a horizontal direction in the direction of the outlets 26, for which purpose the Verteilgut bspw. can bounce against the lid 44 and is then passed through the air flow in the direction of the outlets 26. The more uniform this distribution between the outlets 26, the more uniform is the transverse distribution of the Verteilguts on the agricultural machine.
- a shut-off device 28 is assigned to at least one of the outlets 26.
- a pivotable switch 30 is arranged.
- the switch 30 can here, for example, by means of an electric and / or pneumatic and / or hydraulic and / or the like. Actuator between a closed position (see Fig .. 2B) and an open position (see. Fig. 2C) are pivoted.
- the shut-off device 28 has in addition to a switch 30 nor a return area 45 in the form of a
- Return connection 46 a seed line connection 48 and a bypass 50.
- a return line 52 is connected, which opens with its lower end via a port 54 in the return device 38.
- the Verteilgut- air flow in the shut-off device 38 is diverted in the direction of the return area 45 and then passed through a mounted on a return port 46 return line 52 and the return device 38 back into the riser 22 , The recirculated feedstock is then again from the distribution air flow in the
- a pivotable flap is shown as a switch 30, the switch 30 may well have other configurations.
- a ball valve o may well have other configurations.
- a motorized switch 30 is suitable.
- Components of the distributor tower 22 each an at least substantially the same or constant pressure level or a substantially equal or constant air flow, or largely the same or constant flow rates regardless of the position of the switch 30 prevail.
- the riser 22, the distributor head 24, the return device 38, the return region 45, the bypass 50, and the seed line connection 48 permanently pneumatically connected, regardless of the position of the switch 30. This is particularly due to the in the
- Distributor tower 24 various pressure levels, wherein in the return means 38, a pressure level P1 and in the shut-off device 28 and in the bypass 50, a pressure level P2 and / or P3 results, P1 is less than or equal to P2 and / or P3.
- the distribution tower 10 consists essentially of a riser 22, at the upper end of which a distributor head 24 connects. At the periphery of the distributor head 24 a plurality of outlets or rows 26 are arranged at regular intervals.
- the distribution tower 10 initially has an arcuate transition piece 34, by means of which there is a reversal of direction of the Verteilgut-air flow from a substantially horizontal in a vertical flow direction. Adjoining the transition piece 34 is a riser 22, which riser pipe 22 initially has a nozzle section or a nozzle 36.
- the cross section of the riser 22 is conically reduced and then enlarged again conically.
- the distribution air volume flow in the riser pipe 22 should be centered, whereby a subsequent uniform distribution of this in the distributor head 24 should be improved. Further to be improved, this centering again on a downstream of the nozzle in the embodiment designed as a corrugated pipe 42 pipe section. In addition to a corrugated tube 42 and other pipe sections would be with
- the corrugated tube 42 can be replaced by a further nozzle 36, for example, so that the riser 22 is composed, for example, of two nozzles or more.
- the individual sections of the riser 22 can each be connected, for example, by means of welding or by means of clamping pieces.
- the sections may be formed of a metallic or non-metallic material.
- the riser 22 could be made in one piece and, for example. Made of plastic.
- a circular distributor head 24 adjoins, wherein this has a flat cover 44.
- the distributor head 24 of the Verteilgut- air flow is deflected from a vertical in a horizontal direction, in the direction of the outlets 26, for which purpose the Verteilgut bspw. May bounce against the cover 44 and then passed through the air flow in the direction of the outlets 26 becomes.
- a shut-off device 28 is assigned to each of the outlets 26.
- a pivotable switch 30 is arranged.
- the switch 30 can, for example by means of an electric and / or pneumatic and / or hydraulic and / or dergl.
- the shut-off device 28 also has a return region 45 consisting of a return connection 46, a seed line connection 48 and a bypass 50.
- a collection piece 56 is first connected to the return connection 46. This is formed in the exemplary embodiment y-shaped and connects two return ports 46 and two shut-off devices 28.
- the collector 56 is also connected to a return line 52, which opens with its lower end via a socket 54 in a return device 38. With the help of the collecting pieces 56, the number of return lines 52 can be significantly reduced, in which case at least two but also more return lines 52 can be connected.
- the return device 38 is formed by a circular tube surrounding the nozzle 36 and the riser tube 22, wherein the nozzle 36 are associated in the region of its smallest circumference a plurality of rectangular openings 40, which communicate between the riser 22 and the nozzle 36th and the
- Make return device 38 The arrangement of the openings 40 in the region of the nozzle 36 creates a suction at the openings, whereby the seed return from the return device 38 is further improved in the riser 22. If the switch 30 is closed (FIG. 3B on the right), the distributor
- Saattechnischsan gleich 48 permanently pneumatically connected, regardless of the position or position of the switch 30. This is in particular by the in the
- Distributor tower 24 a variety of pressure levels, wherein in the return means 38, a pressure level P1 and in the shut-off device 28 and in the return region 45, a pressure level P2 and P3, and wherein P1 with respect to P2 and P3 is substantially less than or equal regardless of Number of closed points 30.
- each of the metered by the metering device 16 in the piping distribution can be reduced accordingly, and this is only from a certain number of sealed outlets 26, for example. Five outlets 26 is required.
- FIGS. 4A and 4B A possible embodiment of a shut-off device 28 with integrated switch 30 can be seen from FIGS. 4A and 4B, wherein the switch 30 in FIGS. 4A and 4B, wherein the switch 30 in FIGS. 4A and 4B, wherein the switch 30 in FIGS. 4A and 4B, wherein the switch 30 in FIGS. 4A and 4B, wherein the switch 30 in FIGS. 4A and 4B, wherein the switch 30 in FIG.
- the shut-off device 28 consists of a flange surface 58 for mounting this at the respective outlets 26 of the distributor head 24.
- latching elements 60 are provided on the flange surface 58. By means of these latching elements 60 can be a simple and quick installation be made possible on the distributor head 24.
- the shut-off device furthermore has a return region 45, which preferably comprises a return connection 46 and a return channel 64 extending between the flange surface 58 and the return connection 46, a seed line connection 48 and a connection between the flange surface 58 and the seed line connection 48
- a bypass 50 extends between the return port 46 and the seed line connection 48.
- the flange 58, the return port 46 and the seed line 48 have in
- a switch 30 which can be pivoted between a closed position (see Fig. 4A) and an open position (see Fig. 4B). This pivoting is preferably carried out by means of an electric and / or pneumatic and / or hydraulic and / or the like.
- the control of the actuator can, for example, via an on the
- Agricultural machine existing computer unit done This can, in turn, for example, by manual input or based on GPS data transmit corresponding signals to the actuator.
- the Verteilgut- air flow can be promoted in the open position in the direction of Saat effet fürInstitutInstitutes 48 and in the direction of a dispensing device, or promoted in the closed position in the direction of the return port 46 and in the direction of the riser 22.
- the seed channel 62 and the return channel 64 are arranged at right angles to each other, wherein in turn the seed channel 62 are arranged horizontally to the flange 58 and the return channel 64 parallel to the flange 58. Furthermore, in the embodiment of Figures 4A and 4B, the seed channel 62 and the return channel 64 are largely separated pneumatically via the switch 30, which is not absolutely necessary, since the switch can also serve as a bypass with appropriate design.
- bypass 50 Parallel to the seed channel 62 and to the return channel 64 extends a bypass 50 which connects the return port 46 and the seed line 48 pneumatically.
- the bypass 50 is arranged such that this one
- Air volume flow can escape via the bypass 50 in the direction of the seed line connection 48.
- Air volume flow takes place via the separation area 66.
- the bypass 50 has a cross section which is chosen such that it has a flow resistance that is as similar as possible to the seed channel 62 when the switch 30 is open.
- the cross section or the width of the bypass 50 is, for example, 30 mm or 25 mm or 20mm.
- the flow resistance in a path along the flange surface 58, the return channel 64, the separation region 66, the bypass 50, and the seed line port 48 is substantially equal to a flow resistance in a deposit along the
- the outer contour of the seed channel 62 also has a deflection contour 68. By means of this there is a change in direction of the Verteilgut-air flow from an example. Horizontal in one direction along the seed line. This
- Umlenkkontur 68 could be assigned, for example, a baffle sensor, by means of which the number and / or the amount of passing grains of the Verteilguts is determined. Also, optical sensors could be provided here. In a preferred embodiment, the position of the switch 30 could be adjusted according to the values of the sensor, i. If the sensor determines that a desired amount of distribution material is being exceeded, the switch 30 closes or the switch 30 assumes a position in which more material to be conveyed is conducted in the direction of the return region 45 and vice versa.
- FIG. 5 A further embodiment variant of a distributor tower 10 according to the invention is shown in FIG. 5, wherein it has a pressure compensation device 70 (see FIG. 2).
- the distribution tower 10 consists essentially of a riser 22, at the upper end of which a distributor head 24 connects. At the periphery of the distributor head 24 is in
- the distributor tower 10 initially has an arcuate transition piece 34. By means of this there is a reversal of direction of the Verteilgut-air flow from a largely horizontal in a vertical flow direction.
- the transition piece 34 includes a riser 22. This consists of different sections. First, this has a nozzle 36. By means of this, the cross section of the riser 22 is first conically reduced and then in turn conically enlarged. At the point with the smallest cross-section are return means 38 in the form of annular openings 40.
- return means 38 By means of the cross-sectional reduction of the Verteilgut-air flow in the riser pipe 22 should be centered. This is to be further improved by a subsequent to the nozzle 36 corrugated pipe 42.
- corrugated tube 42 In addition to a corrugated tube 42 and other tubes with cross-sectional reductions would be conceivable, for example. Such in which only individual recesses are present. It would also be conceivable for the corrugated tube 42 to be replaced by a further nozzle 36, for example, so that the riser 22 is composed, for example, of two nozzles or more.
- a circular distributor head 24 connects. This has in the embodiment of FIG. 5 on a flat cover 44.
- distributor head 24 could also have a great variety of other shapes, for example mushroom-shaped or the like.
- the distributor air volume flow is deflected from a vertical into a horizontal direction in the direction of outlets 26, for which purpose the distributor material can bounce against cover 44, for example and then passed through the air flow in the direction of the outlets 26.
- Components of the distributor tower 22 in each case an at least substantially the same or constant pressure level or substantially equal or constant air flow rates, or produce substantially the same or constant flow rates.
- the riser 22, the return device 38, the bypass 50, and the seed line connection 48 are permanently pneumatically connected.
- the pressure compensation device 70 shown in this embodiment could, in particular in connection with those shown in Figures 2 to 4
- shut-off devices 38 are combined so that, for example, only a small number of outlets 26 are provided with shut-off devices 28 on a distributor tower 10 and the remainder each with pressure compensation devices 70. This would have the advantage that the distributor tower 10 still has all the advantages of the pressure levels, but this would be much simpler, since only a small number of outlets with switches 30 and corresponding actuators would have to be provided ,
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Air Transport Of Granular Materials (AREA)
- Fertilizing (AREA)
- Sowing (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19216995.1A EP3653036B1 (de) | 2015-09-28 | 2016-09-27 | Verteilturm einer landwirtschaftlichen verteilmaschine und verfahren zur reihenabschaltung an einem derartigen verteilturm |
US15/764,035 US10779460B2 (en) | 2015-09-28 | 2016-09-27 | Distributing tower of an agricultural distributing machine and method for series cut-off on such a distributing tower |
BR112018002569-0A BR112018002569B1 (pt) | 2015-09-28 | 2016-09-27 | Torre de distribuição de uma máquina de distribuição agrícola e processo para a desconexão de fileiras separadas de uma torre de distribuição |
CN201680054415.4A CN108024500B (zh) | 2015-09-28 | 2016-09-27 | 农业播撒机的播撒塔和用于断开这种播撒塔出口的方法 |
EP16774915.9A EP3355673B1 (de) | 2015-09-28 | 2016-09-27 | Verteilturm einer landwirtschaftlichen verteilmaschine und verfahren zur reihenabschaltung an einem derartigen verteilturm |
CA3000028A CA3000028C (en) | 2015-09-28 | 2016-09-27 | Seed distribution tower of an agricultural distribution machine and method for row cut-off on such a seed distribution tower |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102015116378.0 | 2015-09-28 | ||
DE102015116378.0A DE102015116378A1 (de) | 2015-09-28 | 2015-09-28 | Verteilturm einer landwirtschaftlichen Verteilmaschine |
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WO2017055266A1 true WO2017055266A1 (de) | 2017-04-06 |
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PCT/EP2016/072962 WO2017055266A1 (de) | 2015-09-28 | 2016-09-27 | Verteilturm einer landwirtschaftlichen verteilmaschine und verfahren zur reihenabschaltung an einem derartigen verteilturm |
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US (1) | US10779460B2 (de) |
EP (2) | EP3653036B1 (de) |
CN (1) | CN108024500B (de) |
BR (1) | BR112018002569B1 (de) |
CA (1) | CA3000028C (de) |
DE (1) | DE102015116378A1 (de) |
WO (1) | WO2017055266A1 (de) |
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DE102020106966A1 (de) | 2020-03-13 | 2021-09-16 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilvorrichtung für körniges Material |
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DE102020129735A1 (de) | 2020-11-11 | 2022-05-12 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilvorrichtung für körniges Material |
EP4000365A1 (de) | 2020-11-11 | 2022-05-25 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilvorrichtung für körniges material |
DE102021118523A1 (de) | 2021-07-19 | 2023-01-19 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilvorrichtung für körniges Material |
WO2023001622A1 (de) | 2021-07-19 | 2023-01-26 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilvorrichtung fuer koerniges material |
DE102021121313A1 (de) | 2021-08-17 | 2023-02-23 | Horsch Maschinen Gmbh | Verteilmaschine mit Verteilerturm und Absperreinrichtung |
DE102022105720B3 (de) | 2022-03-11 | 2023-06-01 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilerkopf für eine landwirtschaftliche Ausbringmaschine und Ausbringmaschine zum Verteilen von Material |
EP4241548A1 (de) | 2022-03-11 | 2023-09-13 | Amazonen-Werke H. Dreyer SE & Co. KG | Verteilerkopf für eine landwirtschaftliche ausbringmaschine und ausbringmaschine und verfahren zum verteilen von material |
Also Published As
Publication number | Publication date |
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EP3355673B1 (de) | 2020-12-16 |
DE102015116378A1 (de) | 2017-03-30 |
BR112018002569A2 (de) | 2018-10-02 |
CN108024500A (zh) | 2018-05-11 |
US20180317379A1 (en) | 2018-11-08 |
CN108024500B (zh) | 2021-11-09 |
EP3653036A1 (de) | 2020-05-20 |
EP3653036B1 (de) | 2022-07-20 |
CA3000028A1 (en) | 2017-04-06 |
CA3000028C (en) | 2022-01-11 |
US10779460B2 (en) | 2020-09-22 |
EP3355673A1 (de) | 2018-08-08 |
BR112018002569B1 (pt) | 2021-09-14 |
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