WO2024017535A1 - Dispositif d'écoulement pour guider au moins partiellement un écoulement de matériau à transporter, tête de distributeur pour une machine d'épandage agricole, et machine d'épandage agricole - Google Patents

Dispositif d'écoulement pour guider au moins partiellement un écoulement de matériau à transporter, tête de distributeur pour une machine d'épandage agricole, et machine d'épandage agricole Download PDF

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Publication number
WO2024017535A1
WO2024017535A1 PCT/EP2023/065030 EP2023065030W WO2024017535A1 WO 2024017535 A1 WO2024017535 A1 WO 2024017535A1 EP 2023065030 W EP2023065030 W EP 2023065030W WO 2024017535 A1 WO2024017535 A1 WO 2024017535A1
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WO
WIPO (PCT)
Prior art keywords
flow
conveyed
partially
guide
conveyed goods
Prior art date
Application number
PCT/EP2023/065030
Other languages
German (de)
English (en)
Inventor
Jan Philipp RADEKE
Thomas Wien
Original Assignee
Amazonen-Werke H. Dreyer SE & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Amazonen-Werke H. Dreyer SE & Co. KG filed Critical Amazonen-Werke H. Dreyer SE & Co. KG
Publication of WO2024017535A1 publication Critical patent/WO2024017535A1/fr

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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

Definitions

  • Flow device for at least partially guiding a flow of conveyed goods distributor head for an agricultural spreading machine and agricultural spreading machine
  • the invention relates to a flow device for at least partially guiding a flow of conveyed goods within a distributor head and a distributor head for an agricultural spreading machine.
  • the invention further relates to an agricultural spreading machine with a distribution head.
  • a distributor for granular material such as seeds, fertilizers and the like.
  • a distributor head Such a distributor head.
  • a pneumatically operated supply line is usually connected to the input side of a distributor head.
  • the distributor head On the output side, the distributor head has several evenly distributed dispensing channels, each of which is connected to one end of a dispensing line.
  • the other ends of the application lines are connected to storage devices of the agricultural application machine.
  • the depositing devices which can be seed coulters, for example, the granular material is deposited on an agricultural area (see, for example, DE 10 2008 050 735 A1).
  • a first aspect of the present invention comprises a flow device for at least partially guiding a flow of conveyed goods within a distributor head of an agricultural spreading machine.
  • the flow device is designed to generate an at least partially rotating or at least partially helical flow of conveyed goods.
  • the flow device can thus be designed to generate an at least partially rotating or at least partially helical flow of conveyed goods from a flow of conveyed goods flowing in the axial direction.
  • the flow device can be designed to at least partially rotate a flow of conveyed goods flowing in the axial direction, so that the flow of conveyed goods continues to flow in the axial direction, but also performs a rotation.
  • the flow device thus converts a flow of conveyed goods flowing in the axial direction into an at least partially rotating or at least partially helical flow of conveyed goods.
  • the flow device can be designed to add a flow component in the circumferential direction or tangential direction, a flow component in the axial direction and/or a flow component in the radial direction to a flowing flow of conveyed goods.
  • the flow device can also be designed to at least partially generate a swirl flow from a flow of conveyed material flowing in the axial direction.
  • a swirl flow is a rotationally symmetrical flow with a flow component in the circumferential direction.
  • a swirling flow for example B. in a pipe
  • the flowing material or granular material of the material flow then moves on one or more helical paths.
  • the conveyed material travels a greater distance along the pipe wall within a certain pipe length compared to a swirl-free flow at the same flow rate. Due to the rotation or helical movement of the flow of material to be conveyed, accumulations of granular material, which can arise when a distributor head is tilted on an inclined usable surface, can be avoided within the distributor head for an agricultural spreading machine and for distributing granular material.
  • a flow of material to be conveyed may include air and granular material. Furthermore, a flow of material to be conveyed can flow in the axial direction and/or flow in the axial direction of or to the flow device. Also can for example the flow of conveyed goods, e.g. B. in the axial direction, hitting the flow device and thereby interacting with it.
  • the flow device can extend in the axial direction, in the radial direction and in the circumferential direction or in the tangential direction in order to form a spatial body.
  • the flow device can divide a flow of material to be conveyed, for example when flowing through the flow device, into an inner section and an outer section.
  • the outer section can completely surround the inner section, so that the outer section contacts or interacts with the flow device and the inner section contacts or interacts with the outer section.
  • the outer section can simulate a hollow cylindrical shape and the inner section can simulate a cylindrical shape, with the inner, cylindrical section completely filling the outer, hollow cylindrical section.
  • the flow device thus contacts the outer section and the inner section contacts the outer section.
  • the flow device can have at least one flow guide for generating an at least partially rotating or at least partially helical flow of conveyed goods.
  • the flow device can have at least one flow guide in order to at least partially deflect or rotate a flow of conveyed goods and/or to deflect and rotate at least an outer section of a flow of conveyed goods.
  • the at least one flow guide can be designed to act on a flow of conveyed goods from the outside or exclusively from the outside in order to at least one outer section of the flow of conveyed goods, which is an inner section of a conveyed material. which completely surrounds the material flow, to add a movement component or flow component in the tangential direction and/or in the radial direction and/or in the axial direction.
  • the outer and/or the inner section of a flow of material to be conveyed can be oriented in the same direction as an axial direction of the flow device. An at least partially helical or at least partially rotating flow of conveyed goods can thus be generated.
  • the at least one flow guide can be designed to be adjustable. This means that different flow velocities and/or different characteristics of a flow of conveyed goods can be taken into account.
  • An at least partially helical or at least partially rotating flow of material to be conveyed can be generated.
  • the at least one flow guide can be rotatable or rotatable about an axis in order to realize different angles of attack of the at least one flow guide in relation to a flow of conveyed goods.
  • the flow device or a distributor head, which includes the flow device can also be equipped with a Slope detection must be equipped to record the slope of an agricultural area.
  • a control can change the angle of attack in such a way that the angle of attack is changed as the inclination increases in order to obtain a more pronounced helical flow of conveyed goods. Conversely, as the inclination decreases, the angle of attack can be changed by the control so that there is little or no helical or rotating flow of conveyed material.
  • the angle of attack is an angle between the direction of the inflowing fluid or the flow of material to be conveyed and the chord of a profile or the at least one flow guide.
  • the profile can, for example, be designed similar to a part of a wing, a rotor blade, a sail, a turbine blade or similar to a part of at least one flow guide.
  • the at least one flow guide can be an elastic material, such as. B. elastomer, and / or plastic and / or steel, such as. B. stainless steel, for example to address the expected wear and / or, for example, to minimize wear when using a fertilizer as a granular material.
  • an elastic material such as. B. elastomer, and / or plastic and / or steel, such as. B. stainless steel, for example to address the expected wear and / or, for example, to minimize wear when using a fertilizer as a granular material.
  • the at least one flow guide can be designed as a flow body to be flowed around or as a flow section to be flowed through in order to at least partially to form a rotating or helical flow of conveyed goods.
  • the flow device can be designed such that a flow of material to be conveyed can be introduced into the flow device and/or that a flow of material to be conveyed can flow through the flow device and/or that a flow of material to be conveyed can flow against the flow device.
  • the introduction of the flow of material to be conveyed into the flow device and/or the flow of the flow of material to be conveyed through the flow device and/or the flow of the flow of material to be conveyed against the flow device can take place in the axial direction of the flow device or from the axial direction.
  • the flow device can therefore act in various ways on a flow of material to be conveyed that impinges on the flow device in the axial direction, for example to achieve a rotation or a helical movement of the flow of material to be conveyed when it leaves the flow device.
  • the flow device can also have a wall.
  • the wall can at least partially or completely surround the flow device.
  • the wall can be designed to be rotationally symmetrical or axially symmetrical. This makes production easier and guarantees low costs.
  • the wall can be at least part of a wall of an input device of a distribution head of an agricultural spreading machine and / or at least part of a wall of a main conveyor device of a distribution head of an agricultural spreading machine and / or at least part of a wall of a distribution device of a distribution head of an agricultural spreading machine form or continue.
  • This allows the flow device to be installed at a suitable and/or almost identical location within a distributor head in order to realize a rotation or a helical movement of the flow of material to be conveyed.
  • the wall can also be tubular and/or hollow cylindrical.
  • the flow device can therefore be produced cost-effectively.
  • the wall can form a tubular and/or hollow cylindrical sector, analogous to a circular sector.
  • the wall can only be sections or parts of a higher-level unit, such as: B. a main conveyor device of a distribution head. In this way the flow device can be set up Attach anywhere within a distributor head to create a rotating or helical movement of the material flow.
  • the wall can be designed to be wave-shaped in a cross section along a direction in which a flow of material to be conveyed flows towards and/or through the flow device.
  • the flow device can be designed to be wave-shaped in the axial direction. This can reduce the flow resistance within the flow device and direct the flow of conveyed goods along the desired paths.
  • the wall has at least one valley area and at least one mountain area in a cross section along a direction in which a flow of material to be conveyed flows through or against the flow device or along the axial direction of the flow device.
  • the at least one valley and the at least one mountain area can flow into one another, for example. B. to replicate a so-called corrugated pipe.
  • the at least one flow guide can be designed similar to a guide vane or similar to a guide plate.
  • an at least partially rotating or at least partially helical flow of conveyed goods can be formed or generated. Both configurations can be used to guide a flow of material to be conveyed.
  • a guide vane can be designed like a guide vane of a jet engine.
  • a guide vane is a vane that is located stationary within and on a housing or within and on a wall of the flow device.
  • a guide plate can be attached as a guide surface with a curved shape or in an oblique arrangement within a pipe or channel or within and on a wall of the flow device in order to influence the direction of a fluid or a flow of conveyed goods.
  • the at least one flow guide can be designed as a pin for guiding a flow of conveyed goods.
  • the at least one flow guide designed as a pin can be cylindrical or frustoconical.
  • the at least one flow guide designed as a pin can protrude from a wall of the flow device.
  • the at least one flow guide can interact with the flow of conveyed goods or at least an outer section of the Influence the flow of conveyed goods, so that with its help a helical or rotating flow of conveyed goods can be formed.
  • the at least one flow guide designed as a pin can enclose an angle of 90 degrees or an angle in the range between 80 and 100 degrees to the surface of a wall of the flow device.
  • a helical flow of conveyed goods can be formed on the one hand and, on the other hand, the at least one flow guide can be designed to be mechanically robust and easily implemented.
  • the at least one flow guide can be designed as a fluid channel within a wall of the flow device.
  • an at least partially rotating or at least partially helical flow of material to be conveyed can be formed.
  • the at least one flow guide can be arranged within a wall of the flow device in order to give the flow of material to be conveyed a movement component or flow component in the tangential direction and/or in the radial direction and/or in the axial direction using an air stream that flows through the at least one flow guide , e.g. B. related to the flow device. This is precisely why an at least partially rotating or at least partially helical flow of material to be conveyed can be formed.
  • an air flow can be added to the flow of conveyed goods through the at least one flow guide and/or an air flow can be removed through the at least one flow guide . This means that air can be blown in and/or sucked out through the at least one flow guide.
  • the at least one flow guide can extend along a rectilinear axis. This simplifies the production of the at least one flow guide within the wall.
  • the flow device can also have a wall.
  • the wall can at least partially or completely surround the flow device.
  • the at least one flow guide can be arranged within the wall so as to run obliquely to the flow of conveyed goods or to an axial direction of the flow device.
  • the at least one flow guide is arranged within the wall in a tangential direction and/or in a radial direction and/or in an axial direction of the flow device.
  • the at least one flow guide can therefore be similar to the pitch of a thread, but z. B. also running, aligned or oriented in the radial direction.
  • the at least one flow guide to the surface of the wall can enclose an angle of less than 90 degrees or an angle in the range between 20 and 60 degrees. Such an angle imitates the pitch of a thread, which makes it possible to create an at least partially rotating or at least partially helical flow of conveyed goods.
  • the at least one flow guide can be arranged in a fixed or adjustable or variable manner on or in a wall of the flow device.
  • the flow device can therefore be optimally adjusted to the flow speed of the flow of conveyed goods as well as to the conveyed goods to be conveyed in order to generate an at least partially rotating or at least partially helical flow of conveyed goods.
  • This can also be used to realize different rotating or helical flows of conveyed goods, e.g. B. to be able to react to different changing inclinations of a spreading machine.
  • the at least one flow guide can be designed to be rotatable or variable relative to a wall of the flow device.
  • the at least one flow guide can be rotatable or aligned or fixedly aligned in an angular range between 0 and 60 degrees to an axis that is aligned parallel to the flow of conveyed goods or parallel to an axial direction of the flow device.
  • the angle of attack of the at least one flow guide can be ideally adjusted to the flow speed of the flow of material to be conveyed and to the material to be conveyed but also, for example, to the inclination of a distributor head in which the at least one flow guide can be arranged.
  • the at least one flow guide can be designed triangular. This allows a mechanically stable design as well as a fluid-mechanically favorable design for generating an at least partially rotating or at least partially helical flow of conveyed goods.
  • the at least one flow guide can be designed similar to a spherical triangle and/or with a changing thickness. Fluid-mechanical aspects can thus be perceived when optimizing the flow within the flow device.
  • the at least one flow guide can have at least a first and at least a second flow guide. These can be designed differently.
  • At least one first flow guide and at least one second flow guide can have different volumes and/or differently shaped surfaces and/or different angles of attack.
  • the flow device or its at least one flow guide can be optimized.
  • the at least one first flow guide and the at least one second flow guide can have different angles of attack in relation to a flow of material to be conveyed and/or in relation to an axial direction of the flow device.
  • an at least partially rotating or at least partially helical flow of conveyed goods can be generated in a simple and effective manner, while at the same time a low flow resistance can be achieved.
  • the at least one first flow guide and the at least one second flow guide can be arranged one behind the other in the direction of a flow of conveyed goods. This serves to improve the development of a rotating or helical flow of conveyed goods.
  • At least two flow guides arranged one behind the other in the direction of a flow of material to be conveyed can be aligned with one another in such a way that, viewed in the direction of the flow of material to be conveyed or in the axial direction of the flow device, at least a first flow guide and at least one second flow guide partially or not at all overlap. Furthermore, at least a first flow guide and at least a second flow guide can be aligned mirror-inverted to one another.
  • At least two flow guides arranged one behind the other in the direction of a flow of material to be conveyed can be aligned with one another in such a way that an edge of a first flow guide that is first approached by the flow is the shortest edge of the at least one first flow guide.
  • a first edge of at least one flow guide or the edge of the at least one first flow guide that is first exposed to flow can also be aligned at a perpendicular angle or at an angle between 81 and 99 degrees to a wall of the flow device.
  • a second edge of at least one flow guide or a flow-on edge of the at least one second flow guide can be aligned at an angle between 15 and 40 degrees to a wall of the flow device and can continuously rise out of the wall or extend away from the wall in its course in the direction of the material to be conveyed .
  • the flow device can have a first and/or a second ring of flow guides and/or a plurality of rings of flow guides.
  • a wreath can also be referred to as a circular arrangement.
  • first and/or second ring can be cylindrical and have several flow guides.
  • the flow guides can be arranged to be uniformly distributed in the circumferential direction of the ring and/or aligned in the same spatial orientation.
  • the flow guides are irregularly distributed in the circumferential direction of the ring.
  • the first ring can comprise at least one first flow guide and the second ring can comprise at least one second flow guide.
  • first and second rings are arranged one behind the other in the direction of a flow of conveyed goods or in the axial direction of the flow device.
  • the first and second rings can also be arranged offset from one another.
  • the first and second rings can be arranged offset from one another in such a way that the end arranged in the direction of a flow of material to be conveyed or that in the axial direction
  • the end of a first flow guide of the first ring arranged in the flow device is arranged between two beginnings of two second flow guides of the second ring. This allows the effective conversion of a flow of conveyed goods flowing in the axial direction of the flow device into an at least partially rotating or at least partially helical flow of conveyed goods.
  • first and second rings can be arranged offset from one another in such a way that a first flow guide of the first ring is arranged in the direction of a flow of material to be conveyed between two second flow guides of the second ring.
  • a flow of conveyed goods that flows in the axial direction of the flow device can be converted into an at least partially rotating or at least partially helical flow of conveyed goods.
  • the flow device can have a wall which, together with flow guides, forms the first and/or second ring.
  • the flow device can also be designed to be modular, so that at least two flow devices can be connected to one another or detachably connected to one another. This allows simple fitting and easy installation of the flow device in e.g. B. an existing distribution head.
  • the flow device can have at least one connection area at which two flow devices can be connected to one another in a material and/or frictional and/or non-positive manner.
  • connection regions can be arranged distributed in the circumferential direction of the flow device in order to connect two flow devices to one another.
  • connection areas can also be arranged equally distributed in the circumferential direction of the flow device.
  • the flow device can have at least one connecting section at which the flow device is materially and/or frictionally and/or non-positively connected to a wall of a main conveyor device of a distribution head of an agricultural spreading machine and/or to a wall of an input device of a distribution head an agricultural spreading machine and/or can be connected to a wall of a distribution device of a distribution head of an agricultural spreading machine.
  • a second aspect of the present invention includes a distribution head for an agricultural application machine and for distributing granular material to a plurality of application lines.
  • a distributor head for an agricultural spreading machine and for distributing granular material to several spreading lines has an input device for connection to a feed line of an agricultural spreading machine.
  • a flow of material to be conveyed which includes air and granular material, can be introduced into the distributor head or into a main conveyor device of the distributor head through the feed line and/or through the input device.
  • the feed line can be pneumatically pressurized to create a flow of conveyed goods.
  • the input device can have a constriction, for example designed as a nozzle. With their help, the flow of conveyed goods entering through the input device can be accelerated.
  • the distributor head comprises a main conveyor device for further conveying the flow of material to be conveyed from the input device towards a distribution device of the distributor head.
  • the distributor head has a distribution device for distributing and/or forwarding the flow of conveyed goods into discharge channels of the distributor head.
  • Discharge channels extending from the distribution device can thus introduce the flow of conveyed goods into discharge lines that lead to storage devices.
  • the distribution device, the main conveyor device and the input device are connected to one another in series in the axial direction.
  • the flow of material to be conveyed can flow through the distribution device, the main conveyor device and the input device in the axial direction.
  • the distributor head has at least one flow device for at least partially guiding the flow of conveyed goods according to the first aspect.
  • the at least one flow device can be arranged on the main conveyor device.
  • the at least one flow device can further develop and/or continue the main conveying device.
  • the main conveyor device can also be designed similar to a diffuser.
  • the flow speed of the flow of conveyed goods can be reduced, so that the safe formation of a helical or rotating flow of conveyed goods can be ensured using at least one flow guide of the at least one flow device.
  • the at least one flow device can attach to a wall of the main conveyor device or continue the wall of the main conveyor device. This ensures low resistance to the flow of conveyed goods.
  • the at least one flow device can be arranged downstream and/or upstream of the main conveyor device.
  • downstream and upstream refer to the flow of conveyed goods or their direction of flow.
  • the at least one flow device or its at least one flow guide can also be arranged on the inside of the main conveyor device.
  • a common assembly can thus be realized, which simplifies the assembly of the distributor head.
  • the at least one flow device can form at least part of the main conveyor device.
  • the at least one flow device or its at least one flow guide can extend inwards in a radial direction from the inside of the main conveyor device.
  • the at least one flow device can thus influence the flow of conveyed goods in order to generate an at least partially rotating or at least partially helical flow of conveyed goods.
  • the at least one flow device can develop and/or continue a part of a wall of the main conveyor device.
  • the at least one flow device can be arranged at the input device.
  • the at least one flow device can be arranged downstream and/or upstream of the input device or can be arranged before and/or after the input device.
  • the at least one flow device or its at least one flow guide can be formed on the inside of the input device. This enables the realization of a common assembly that enables the assembly of the Distributor head simplified. In other words, the at least one flow device can form at least part of the input device.
  • the at least one flow device or its at least one flow guide can also extend inwards from the inside of the input device in the radial direction.
  • the at least one flow device can thus influence the flow of conveyed goods in order to generate an at least partially rotating or at least partially helical flow of conveyed goods.
  • the at least one flow device can develop and/or continue part of a wall of the input device. This ensures low resistance to the flow of conveyed goods.
  • the at least one flow device can be arranged on the distribution device.
  • the at least one flow device can be arranged upstream of the distribution device or arranged in front of the distribution device.
  • the at least one flow device or its at least one flow guide can be formed on the inside of the distribution device. This allows a common assembly to be realized, which simplifies the assembly of the distributor head.
  • the at least one flow device can form at least part of the distribution device. This means that a low resistance to the flow of conveyed goods can be ensured.
  • the at least one flow device or its at least one flow guide can extend from the inside of the distribution device in the radial direction inwards.
  • the at least one flow device can influence the flow of conveyed goods in order to generate an at least partially rotating or at least partially helical flow of conveyed goods.
  • the at least one flow device forms or continues part of a wall of the distribution device.
  • the at least one flow device can be designed to be immovable or movable.
  • the at least one flow device can also be designed to be relatively rotatable to the distribution device and/or to the main conveyor device and/or to the input device.
  • the mobility or rotation of the at least one flow device e.g. B. in a simple way the education or Intensity of the at least partially helical or at least partially rotating flow of conveyed goods can be changed.
  • a flow component in the tangential direction or in the circumferential direction of the flow of material to be conveyed can be more pronounced when the flow device is stationary or does not rotate relative to a wall.
  • a flow component in the tangential direction or in the circumferential direction can be weaker. It is also possible for the at least one flow device to be connected to a drive that drives the at least one flow device in order to set it in rotation. This allows a more pronounced rotating or helical flow of conveyed goods to be generated.
  • the at least one flow device can be designed to be relatively rotatable to an axis that is aligned parallel to the flow of the material to be conveyed or to a direction of the material to be conveyed or to an axial direction of the flow device and/or to an axial direction of the distributor head.
  • the at least one flow device can also be designed to be rigid or immovable.
  • the at least one flow device can thus be designed to be relatively immovable in relation to the distribution device and/or the main conveyor device and/or the input device. This simplifies construction and maintenance.
  • the distributor head can have three flow devices which are arranged one behind the other in the flow of the material to be conveyed or in the axial direction of the flow device and/or in the axial direction of the distributor head and together further develop the main conveyor device and/or the distribution device and/or the input device and/ or continue.
  • a first and second flow device can be arranged in the same orientation to one another.
  • a third flow device can be aligned upside down compared to the first and second flow devices and arranged on the second and/or first flow device. The attachment of several flow devices to other devices of the distributor head can thus be simplified.
  • the distributor head can have at least one dispensing channel or several
  • the at least one dispensing channel or the dispensing channels can extend from the distributor head in a radial direction.
  • the distributor head can have several return devices through which the flow of conveyed goods from a discharge channel can be returned to the main conveyor device.
  • the distributor head can have a circumferential return collection area, which is connected to the main conveyor device and into which all return devices open.
  • the return collection area can be arranged between the main conveyor device and the input device or downstream at the input device.
  • a flow device is arranged upstream of the input device, an at least partially rotating or at least partially helical flow of conveyed goods can be generated before the flow of conveyed goods enters the main conveyor device.
  • This makes it possible to avoid accumulations of granular material in the return collection area and thus within the distributor head when the distributor head is tilted on an inclined usable surface. This means that granular material can be easily picked up from the return collection area and conveyed back towards the distribution device.
  • the distributor head can have a plurality of return devices, each of which includes a material return flow area and an air discharge flow area.
  • the flow of material to be conveyed or the granular material contained therein can be returned from a discharge channel into the main conveyor device through the material return flow area via a return flow.
  • the air discharge flow area air separated from a return flow can be fed to a discharge channel and/or a discharge line.
  • the distributor head can have at least one deflection device, which can be brought into a feed-through position and/or a return position.
  • a position of the at least one deflection device between the feed-through position and the return position can also be implemented.
  • the at least one deflection device can be arranged within a return device, so that in the through position the flow of material to be conveyed is diverted into one Dispensing channel of the distributor head can be conducted and in the return position can be guided into a material return flow area of the return device.
  • the at least one deflection device can have a movable deflection body.
  • a movable deflection body of a deflection device can be set up to block a passage from a discharge channel into the material return flow area in the through-feed position.
  • a movable deflection body of a deflection device can be set up to release the passage from a discharge channel into the material return flow area in the return position.
  • the deflection body of a deflection device can be set up to reduce or close the free flow cross section in the passage from a discharge channel into the air discharge flow area in the passage position.
  • the delivery rate from a dispensing channel to a dispensing line can therefore be variably adjusted.
  • a third aspect of the present invention includes an agricultural spreading machine, such as a seeder.
  • An agricultural spreading machine such as a seed drill, includes a distribution head according to the second aspect.
  • the spreading machine can have several spreading lines for conveying granular material to an agricultural area.
  • a dispensing line can connect a dispensing channel of the distributor head with a storage device of the dispensing machine.
  • the spreading machine can also include several depositing devices, each of which is connected to a spreading line of the spreading machine and is designed to deposit granular material onto an agricultural area.
  • the storage devices and/or the distribution head and/or the application lines can be arranged on a machine frame of the application machine.
  • FIG. 1 shows a machine combination with an application machine in a perspective view
  • FIG. 2 shows a perspective view of a distributor head of the spreading machine from FIG. 1;
  • Fig. 3 is a sectional view of the distributor head from Fig. 2;
  • FIG. 4 shows the sectional view from FIG. 3 in a perspective view
  • FIG. 5 is a partial perspective view of the distributor head from FIG. 2;
  • FIG. 6A-6D show four different views of a first exemplary embodiment of a flow device for at least partially guiding a flow of material to be conveyed within the distributor head from FIG. 2;
  • FIG. 7A-7D show four different views of a second exemplary embodiment of a flow device for at least partially guiding a flow of material to be conveyed within the distributor head from FIG. 2;
  • FIG. 8A-8B two different views of a third exemplary embodiment of a flow device for at least partially guiding a flow of conveyed goods within the distributor head from Figure 2.
  • Figure 1 shows a machine combination 200 with an application machine 100 in a perspective view.
  • an agricultural spreading machine 100 such as. B. a seed drill.
  • the agricultural spreading machine 100 includes a distribution head 50, which is described in more detail in FIGS. 2 to 5, as well as several spreading lines 102 for conveying granular material to an agricultural area.
  • each dispensing line 102 connects a dispensing channel 54 of the distributor head 50 with a storage device 103 of the dispensing machine 100.
  • the spreading machine 100 has a plurality of storage devices 103.
  • the storage devices 103 are each connected to a delivery line 102 (not shown) and are set up to deposit a flow of conveyed material F, which includes granular material and air, onto an agricultural area.
  • FIG. 1 shows a machine combination 200 with an agricultural towing vehicle 201 designed as a tractor and an agricultural spreading machine 100 designed as a seed drill.
  • the agricultural spreading machine 100 is designed as a trailed machine. In other embodiments, the agricultural spreading machine 100 can also be designed as a carried machine, so that the agricultural tractor vehicle 201 functions as a carrier vehicle.
  • Figure 1 shows that the agricultural spreading machine 100 includes a storage container 104 for storing granular material, for example seeds and/or fertilizer.
  • the granular material stored in the storage container 104 is fed to a distribution head 50 via a feed line 101.
  • the distribution head 50 distributes the granular material to a plurality of application lines 102 (not shown in FIG. 1), the application lines 102 - as already mentioned - being connected to storage devices 103 of the agricultural application machine 100.
  • the granular material is deposited onto an agricultural area via the storage devices 103.
  • the storage devices 103 can be seed coulters, for example.
  • the storage devices 103 are arranged on a machine frame 106 of the agricultural spreading machine 100. Soil cultivation tools 105, 107 are also attached to the machine frame 106.
  • the agricultural spreading machine 100 has several transverse rows of leading soil cultivation tools 105, which are arranged in front of the storage devices 103 in the direction of travel. Furthermore, it includes agricultural spreading machine 100 has several transverse rows of trailing soil cultivation tools 107, which are arranged behind the storage devices 103 in the direction of travel.
  • FIGS 2 to 5 all show the same distributor head 50 in different representations.
  • FIG. 2 shows a perspective view of a distributor head 50 of the application machine 100 from FIG. 1, in which return devices 58 have been hidden in order to be able to recognize flow devices 1, 1A, 1B behind them.
  • Figure 3 shows a sectional view of the distributor head 50 from Figure 2 and Figure 4 shows the sectional view from Figure 3 in a perspective view.
  • a partial perspective view of the distributor head 50 from FIG. 2 is shown in FIG.
  • FIGS. 2 to 5 show a distributor head 50 for an agricultural spreading machine 100 and for distributing granular material to several spreading lines 102.
  • the distributor head 50 has an input device 51 for connection to a feed line 101 of an agricultural spreading machine 100 (see Figures 2 and 3), with a conveyed material flow F, the air and granular material, passing through the feed line 101 and thus also through the input device 51 includes, can be introduced into the distributor head 50 or into a main conveyor 52 of the distributor head 50.
  • the input device 51 includes a constriction 60, designed as a nozzle.
  • the feed line 101 is pressurized pneumatically in order to form the flow F of the conveyed material.
  • the distributor head 50 has a main conveyor device 52 for further conveying the flow of material F from the input device 51 towards a distributor device 53 of the distributor head 50.
  • the distributor head 50 comprises a distribution device 53 for distributing and/or forwarding the flow of conveyed goods F into discharge channels 54 of the distributor head 50.
  • Discharge channels 54 extending from the distribution device 53 can therefore introduce the flow of conveyed goods F into discharge lines 102, which lead to storage devices 103 lead.
  • Figures 2 to 5 also show that the distribution device 53, the main conveyor device 52 and the input device 51 are connected to one another in series in the axial direction A. The material flow F flows through the distribution device 53, the main conveyor device 52 and the input device 51, also in the axial direction A.
  • the distributor head 50 has a plurality of flow devices 1, 1A, 1B for at least partially guiding the flow of conveyed material F.
  • the flow devices 1, 1A, 1B With the flow devices 1, 1A, 1B, an at least partially helical or at least partially rotating flow of conveyed material F can be generated.
  • FIGS. 6A to 8B Regarding the exact design options for a flow device 1, 1A, 1B, reference is made to the various exemplary embodiments and the associated explanations for FIGS. 6A to 8B.
  • the flow devices 1, 1A, 1B are arranged on the main conveyor device 52 and form or continue it.
  • the main conveyor device 52 is designed similarly to a diffuser and, strictly speaking, the flow devices 1, 1A, 1B attach to a wall 56 of the main conveyor device 52 or continue the wall 56 of the main conveyor device 52 (see Figures 3 and 4 ).
  • the flow devices 1, 1A, 1B are arranged downstream on the main conveyor device 52.
  • the flow devices 1, 1A, 1B are arranged upstream on the distribution device 53, with the flow device 1 further developing or continuing at least part of the distribution device 53 or part of a wall 57 of the distribution device 53.
  • the flow devices 1, 1A, 1B are designed to be rigid or immovable. However, it is also possible for these to be designed to be movable or rotatable relative to the distribution device 53. In such a case, the flow devices 1, 1A, 1B could be designed to be relatively rotatable to an axis D, which is aligned parallel to the material flow F or to the axial direction A of the flow devices 1, 1A, 1B or the distributor head 50 . With the help of the mobility or rotation of the flow device 1, 1A, 1B, e.g. B. the formation or intensity of the at least partially helical or at least partially rotating conveyed material flow F can be changed in a simple manner. 2 to 5, the distributor head 50 comprises three flow devices 1, 1A, 1B, which are arranged one behind the other in the conveyed material flow F or in the axial direction A of the distributor head 50 and together develop or continue the main conveyor device 52.
  • a first and second flow device 1, 1A are arranged in the same orientation to one another, with a third flow device 1B being aligned upside down compared to the first and second flow device 1, 1A and arranged on the second flow device 1A (cf. Figures 2 and 3 in connection with connecting sections 23 of the flow device 1, 1A, 1B).
  • the distributor head 50 has a plurality of discharge channels 54, which extend from the distribution device 53 and via which the flow of material to be conveyed F can be introduced into discharge lines 102 leading to storage devices 103.
  • the discharge channels 54 extend from the distributor head 50 in the radial direction R.
  • the distributor head 50 has several return devices 58, through which the flow of conveyed material F from a discharge channel 54 can be returned to the main conveyor device 52.
  • Figures 2 to 4 show that the distributor head 50 has a circumferential return collection area 59, which is connected to the main conveyor device 52 and into which all return devices 58 open.
  • the return collection area 59 is arranged between the main conveyor 52 and the input device 51 or downstream at the input device 51.
  • a flow device 1 were arranged upstream of the input device 51, an at least partially rotating or at least partially helical flow of conveyed goods can be generated before the flow of conveyed goods F enters the main conveyor device 52.
  • This makes it possible to avoid accumulations of granular material in the return collection area 59 and thus within the distributor head 50 for the agricultural spreading machine 100 and for distributing granular material when the distribution head 50 is tilted on an inclined usable surface. Granular material can thus be easily picked up from the return collection area 59 and conveyed back towards the distribution device 53.
  • the return devices 58 each include a material return flow area 61 and an air discharge flow area 62.
  • the material return flow area 61 Through the material return flow area 61, the conveyed material flow F or the granular material contained therein can be returned from a discharge channel 54 into the main conveyor device 52 via a return flow. Air separated from the return flow can be fed to a discharge channel 54 or a discharge line 102 through the air discharge flow region 62.
  • Figures 3 and 4 show that the distributor head 50 has a plurality of deflection devices 63, which can each be brought into a feed-through position or a return position.
  • positions of the deflection devices 63 or a deflection device 63 between the pass-through position and the return position can also be implemented.
  • Each deflection device 63 is arranged within a return device 58, so that in the through position the material flow F can be directed into a discharge channel 54 of the distributor head 50 and in the return position into a material return flow area 61 of a return device 58.
  • each deflection device 63 has a movable deflection body 64.
  • the movable deflection bodies 64 of the deflection devices 63 are set up to block a passage from the discharge channel 54 into the material return flow area 61 in the through-passage position.
  • the deflection bodies 64 of the deflection devices 63 are also designed to reduce or close the free flow cross section in the passage from the discharge channel 54 into the air discharge flow area 62 in the passage position. The delivery rate from a discharge channel 54 to a discharge line 102 can therefore be variably adjusted.
  • each movable deflection body 64 of the deflection devices 63 is set up to release the passage from the discharge channel 54 into the material return flow area 61 in the return position.
  • the complete material flow F or only part of it is directed upstream of the main conveyor 52 to the material flow F, which flows into the input device 51 of the distributor head 50 from a connected feed line 101 flows in.
  • the distributor head 50 is equipped with the deflection devices 63, with the help of the deflection devices 63 to temporarily interrupt the introduction of granular material or the flow of conveyed material F into the discharge lines 102 leading to the storage devices 103.
  • This makes it possible to temporarily interrupt the application of the granular material to the agricultural area in a row-specific, area-specific or across the entire width of the agricultural spreading machine 100.
  • Figures 6A-6D show four different views of a first exemplary embodiment of a flow device 1 for at least partially guiding a flow of material to be conveyed F within the distributor head 50 from Figures 2 to 5.
  • the following description also applies in an analogous manner to the flow devices 1A and 1B, as shown in Figures 2 to 5 regarding the distributor head 50.
  • Figure 6A shows a perspective view
  • Figure 6B shows a top view
  • Figure 6C shows a side view
  • Figure 6D shows a sectional view along the line AA from Figure 6B.
  • Figures 6A-6D are described together.
  • 6A-6D - as already mentioned - show a flow device 1 for at least partially guiding a flow of material to be conveyed F within a distributor head 50 of an agricultural spreading machine 100.
  • the flow device 1 is designed to generate an at least partially rotating or at least partially helical flow F of conveyed material.
  • a conveyed material flow F includes air and granular material.
  • the flow device 1 is further designed to generate an at least partially rotating or at least partially helical flow of conveyed goods from a flow of conveyed goods F flowing in the axial direction A.
  • the flow device 1 is designed to at least partially rotate a flow of conveyed material F flowing in the axial direction A.
  • the flow device 1 thus converts a flow of conveyed goods F flowing in the axial direction A into an at least partially rotating or at least partially helical flow of conveyed goods F.
  • the flow device 1 is formed from a flow of conveyed goods flowing in the axial direction A A to at least partially generate a swirl flow.
  • the flow device 1 extends in the axial direction A, in the radial direction R and in the circumferential direction U or in the tangential direction T in order to form a spatial body.
  • the conveyed material flow F flows in the axial direction A through the flow device 1.
  • the flow device 1 divides the material flow F into an inner section IA and an outer section AA.
  • the outer section AA completely surrounds the inner section IA, so that the outer section AA contacts or interacts with the flow device 1 and the inner section IA contacts or interacts with the outer section AA.
  • the outer section AA has a hollow cylindrical shape and the inner section IA has a cylindrical shape, with the inner, cylindrical section IA completely filling the outer, hollow cylindrical section AA.
  • the flow device 1 contacts the outer section AA and the inner section IA contacts the outer section AA.
  • Figures 6A-6D show that the flow device 1 has a plurality of flow guides 2, 3, 4, 5 for generating an at least partially rotating or at least partially helical flow F of conveyed material.
  • the flow guides 2, 3, 4, 5 serve to at least partially deflect the flow of conveyed goods F and to deflect at least the outer section AA of the flow of conveyed goods F and set it in rotation (see Figures 6B, 6C).
  • the flow guides 2, 3, 4, 5 are designed to act on the flow of material to be conveyed from the outside in order to provide a movement component STK to at least the outer section AA of the flow of material to be conveyed F, which completely surrounds an inner section IA of the flow of material to be conveyed F in the tangential direction T and in the radial direction R. This makes it possible to generate an at least partially helical or rotating flow of conveyed material F.
  • the flow guides 2, 3, 4, 5 are designed to be rigid or immovable. However, it is possible for these to be designed to be adjustable in order to take into account different flow speeds or different characteristics of the flow of conveyed goods F and to generate an at least partially helical or rotating flow of conveyed goods F.
  • the flow guides 2, 3, 4, 5 are made of plastic. But it is also conceivable that this is an elastic material, such as. B. elastomer, and / or steel, such as. B. stainless steel, to z. B. to minimize wear when using a fertilizer as a granular material.
  • an elastic material such as. B. elastomer
  • steel such as. B. stainless steel
  • the flow device 1 is designed such that a flow of conveyed goods F can be introduced into the flow device 1 in the axial direction A and that the flow device 1 can be flowed through by the flow of conveyed goods F and can be flowed against by the flow of conveyed goods F in the axial direction A .
  • the flow device 1 has a wall 6. This serves to continue or further develop the main conveyor device 52 of the distribution head 50 (see Figures 2 to 5).
  • the wall 6 is tubular or hollow cylindrical. Furthermore, the wall 6 is wave-shaped in a cross section along the direction in which the material flow F flows through the flow device 1 (see Figures 6C, 6D). Described more precisely, the wall 6 has a cross section along the direction in which the material flow F flows through the flow device 1, or along the axial direction A of the flow device 1 Valley area 13 and two mountain areas 14, 15, which flow into one another, for example. B. to replicate a so-called corrugated pipe.
  • a flow guide 2, 3, 4, 5 is designed similar to a guide vane or similar to a guide plate.
  • an at least partially rotating or at least partially helical flow F of conveyed material can be formed or generated.
  • a guide vane is known in connection with a jet engine
  • a guide plate is known for changing the direction of a flow.
  • the flow guides 2, 3, 4, 5 are designed as flow bodies to flow around in order to form an at least partially rotating or helical flow F of the conveyed material.
  • the flow guides 2, 3, 4, 5 are firmly arranged on the wall 6 of the flow device 1 according to FIGS. 6A to 6D. However, it is also conceivable that the flow guides 2, 3, 4, 5 are arranged on the wall 6 of the flow device 1 in an adjustable or variable manner. For example, the flow guides 2, 3, 4, 5 could be designed to be rotatable relative to the wall 6 of the flow device 1. This allows different designs of a rotating or helical flow of material to be conveyed F.
  • the flow guides 2, 3, 4, 5 are triangular and designed similar to a spherical triangle. It can also be seen that the flow guides 2, 3, 4, 5 are designed differently and have a first and a second flow guide.
  • the first flow guide 2, 4 and second flow guide 3, 5 have different volumes. Furthermore, the first flow guide 2, 4 and the second flow guide 3, 5 have differently shaped surfaces and different angles of attack with respect to the flow of material to be conveyed F.
  • first flow guide 2, 4 and the second flow guide 3, 5 are arranged one behind the other in the direction of the material flow F.
  • the two flow guides 2, 3, 4, 5 arranged one behind the other in the direction of the material flow F are aligned with one another in such a way that, viewed in the direction F of the material to be conveyed, the first flow guide 2, 4 and the second flow guide 3, 5 partially overlap (see figures 6A and 6B).
  • the first flow guide 2, 4 and the second flow guide 3, 5 are aligned mirror-inverted to one another.
  • two flow guides 2, 3, 4, 5 arranged one behind the other in the direction of the flow of material to be conveyed F are aligned with one another in such a way that an edge 9 to which the flow flows first or a first edge 9 of the first flow guide 2, 4 is the shortest edge of the flow guide Flow guide 2, 4 is.
  • the edge 9 of the first flow guide 2, 4 that is first exposed to the flow is aligned at an angle between 81 and 99 degrees to the wall 6 of the flow device 1.
  • a second edge 10 of the second flow guide 3, 5 or a flow-on edge 10 of the second flow guide 3, 5 is aligned at an angle between 15 and 40 degrees to the wall 6 of the flow device 1.
  • the flow guide 3, 5 rises continuously from the wall 6 in its course in the conveying material direction F or extends away from the wall 6 (see Figure 6A).
  • the flow device 1 comprises a first and a second ring 7, 8 of flow guides 2, 3, 4, 5.
  • the first and second rings 7, 8 are cylindrical and each have a plurality of flow guides 2, 3, 4, 5 , which are arranged equally distributed in the circumferential direction U of the ring 7, 8 and are aligned in the same spatial orientation.
  • the first ring 7 includes the first flow guides 2, 4 and the second ring 8 includes the second flow guides 3, 5, the first and second rings 7, 8 being arranged one behind the other in the direction of the material flow F.
  • first and second rings 7, 8 are arranged offset from one another.
  • the first and second rings 7, 8 are arranged offset from one another in such a way that the end 11 of a first flow guide 2, 4 of the first ring 7, which is arranged in the direction of the material flow F, is between two beginnings 12 of two second flow guides 3, 5 of the second Wreath 8 is arranged.
  • the flow device 1 is modular, so that several flow devices 1, 1 A, 1 B - as shown in Figures 2 to 5 - can be connected to each other.
  • the flow device 1 has various connection areas 16, 17, 18, 19 (cf. Figures 6A to 6D), at which two flow devices 1, 1 A, 1 B can be connected to one another in a non-positive manner.
  • the connection areas 16, 17, 18, 19 are arranged evenly distributed in the circumferential direction U of the flow device 1.
  • 6A to 6D also show that the flow device 1 also has a plurality of connecting sections 20, 21, 22, 23, at which the flow device 1 can be non-positively connected to the wall 56 of the main conveyor device 52 of the distribution head 50 (see also FIGS. 2 until 5).
  • the speed of the flow of material F is reduced, but the pressure is increased.
  • the flow devices 1, 1A, 1B connected in series have improved efficiency.
  • the flow of conveyed goods F from the main conveyor device 52 now enters the flow devices 1, 1A, 1B, the flow of conveyed goods F is symbolically divided into two sections; namely into an inner section IA and an outer section AA (see Figures 6B, 6D).
  • the outer section AA surrounds the inner section IA, as already described, so that the outer section AA contacts the flow device 1 and the inner section IA contacts the outer section AA.
  • the outer section AA forms a hollow cylindrical shape and the inner section IA forms a cylindrical shape.
  • the outer section AA is influenced by the flow guides 2, 3, 4, 5 in such a way that a flow component STK in the tangential direction T and in the radial direction R is added to the material flow F in the outer section AA.
  • the flow of conveyed goods F in the inner section AA can be influenced by the flow of conveyed goods F in the outer section AA through the flow devices 1, 1A, 1B.
  • an at least partially rotating or at least partially helical flow of conveyed material F is generated with the aid of the flow devices 1, 1A, 1B.
  • This rotating or helical flow of conveyed material F enters the distribution device 53 from the flow devices 1, 1A, 1B.
  • the distribution device 53 distributes the material flow F to the discharge channels 54.
  • the distributor head 50 is also tilted; for example, with reference to Figure 3 counterclockwise.
  • the rotating or helical flow of material to be conveyed F which flows from the flow devices 1, 1A, 1B into the distribution device 53, prevents accumulation of granular material in the flow of material to be conveyed F.
  • a constant, uniform distribution of the flow of material to be conveyed F or the granular material can thus be achieved can also be ensured on an inclined plane or on an inclined agricultural area within the distribution device 53.
  • Figures 7A-7D show four different views of a second exemplary embodiment of a flow device 1 for at least partially guiding a flow of material F within the distributor head 50 from Figure 2. The views are analogous to Figures 6A-6D.
  • FIG. 7A shows a perspective view, 7B a top view, 7C a side view and 7D a sectional view along the line AA from FIG. 7B.
  • FIG. 7A-7D are described together.
  • FIGS. 7A-7D show a flow device 1 for at least partially guiding a flow of conveyed material F within a distributor head 50 of an agricultural spreading machine 100.
  • the flow device 1 is designed to generate an at least partially rotating or at least partially helical flow F of conveyed material. In other words, the flow device 1 is designed to at least partially cause a flow of conveyed goods F to rotate.
  • the first exemplary embodiment which can be applied analogously here. The differences between the first and second exemplary embodiments will be discussed below.
  • the flow guides 2, 3, 4, 5 are designed as cylindrical pins for guiding the flow of conveyed goods F, in order to thereby form an at least partially rotating or at least partially helical flow of conveyed goods F.
  • the flow guides 2, 3, 4, 5 designed as pins it is also possible for the flow guides 2, 3, 4, 5 designed as pins to be designed in the shape of a truncated cone.
  • FIGS 7A-7D show that the flow guides 2, 3, 4, 5 protrude from the wall 6 of the flow device 1 and form an angle of 90 degrees to the surface of the wall 6. But an angle in the range between 80 and 100 degrees is also possible.
  • first and second rings 7, 8 are arranged offset from one another in such a way that a first flow guide 2, 4 of the first ring 7 in the direction of the material flow F between two second flow guides 3, 5 of the second ring 8 is arranged.
  • the functioning of the distributor head 50 with a flow device 1 according to FIGS. 7A to 7D is analogous to the flow device 1 from FIGS. 6A to 6D.
  • the agricultural spreading machine 100 is now on one
  • the distributor head 50 is also tilted; for example under Refer to Figure 3 counterclockwise. Because of this, more granular material from the flow of material F reaches the left side of the distribution device 53 due to the force of gravity.
  • the rotating or helical flow of material to be conveyed F which flows into the distribution device 53, prevents accumulation of granular material in the flow of material to be conveyed F.
  • a constant, uniform distribution of the flow of material to be conveyed F or of the granular material can therefore also be achieved on an inclined plane or on an inclined agricultural area within the distribution device 53 can be achieved.
  • Figures 8A and 8B show two views of a third exemplary embodiment of a flow device 1 for at least partially guiding a flow of material to be conveyed F within the distributor head 50 from Figure 2. While the view from Figure 8A is analogous to Figures 6D and 7D, Figure 8B shows a section of one Section along line AA from Figure 8A. For the sake of simplicity and brevity, Figures 8A and 8B are described together.
  • the flow device 1 is designed to generate an at least partially rotating or at least partially helical flow F of conveyed material. In other words, the flow device 1 is designed to at least partially cause a flow of conveyed goods F to rotate.
  • the flow guides 2, 3, 4, 5 are not designed similar to a guide vane or similar to a guide plate, but as a fluid channel .
  • the flow guides 2, 3, 4, 5 are designed as flow sections to be flowed through in order to form an at least partially rotating or helical flow F of the material to be conveyed.
  • 8A and 8B show that the flow guides 2, 3, 4, 5 are designed as a fluid channel within the wall 6 of the flow device 1 in order to form an at least partially rotating or at least partially helical flow F of the material to be conveyed.
  • the flow guides 2, 3, 4, 5 are arranged within the wall 6 of the flow device 1 in order to provide a movement component to the material flow F using an air stream that flows through the flow guides 2, 3, 4, 5 STK or flow component STK in the tangential direction T and in the radial direction R is added.
  • a flow component STK can be done in two ways.
  • an air flow can be removed from the material flow F through the flow guides 2, 3, 4, 5 designed as a fluid channel, for example by suction, or an air flow can be removed through the flow guides 2, 3, 4, 5 designed as a fluid channel the material flow F, e.g. B. by blowing in.
  • each flow guide 2, 3, 4, 5 extends along a rectilinear axis, with each flow guide 2, 3, 4, 5 being arranged within the wall 6 at an angle to the material flow F.
  • each flow guide 2, 3, 4, 5 is arranged within the wall 6 in the tangential direction T and radial direction R.
  • the flow guides 2, 3, 4, 5 form an angle of less than 90 degrees or an angle in the range between 20 and 60 degrees to the surface of the wall 6. This angle allows the optimal formation of an at least partially rotating or at least partially helical flow of conveyed material F.
  • first and second rings 7, 8 are arranged offset from one another in such a way that a first flow guide 2, 4 of the first ring 7 in the direction of the material flow F between two second flow guides 3, 5 of the second ring 8 is arranged.
  • the functioning of the distributor head 50 with a flow device 1 according to FIGS. 8A and 8B is analogous to the flow device 1 from FIGS. 6A to 6D. Consequently, with the help of the flow device 1, a rotating or helical flow of conveyed goods F enters the distribution device 53, which distributes the flow of conveyed goods F to the discharge channels 54.
  • the distributor head 50 is also tilted; for example, with reference to Figure 3 counterclockwise. Therefore, due to the force of gravity, more granular material from the flow of conveyed goods F reaches the left side of the distribution device 53.
  • the rotating or helical flow of conveyed goods F which flows into the distribution device 53, prevents any accumulation of granular material from the flow of conveyed goods F .As a result, a constant, uniform distribution of the material flow F or the granular material can also be achieved on an inclined plane or on an inclined agricultural area within the distribution device 53.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Feeding Of Articles To Conveyors (AREA)

Abstract

L'invention concerne un dispositif d'écoulement (1) pour guider au moins partiellement un écoulement de matériau à transporter (F) à l'intérieur d'une tête de distributeur (50) d'une machine d'épandage agricole (100), le dispositif d'écoulement (1) étant conçu pour générer un écoulement au moins partiellement rotatif ou au moins partiellement hélicoïdal de matériau à transporter (F). L'invention concerne en outre une tête de distributeur (50) pour une machine d'épandage agricole (100) destinée à distribuer un matériau granulaire à une pluralité de conduites d'épandage (102), et une machine d'épandage agricole (100).
PCT/EP2023/065030 2022-07-21 2023-06-06 Dispositif d'écoulement pour guider au moins partiellement un écoulement de matériau à transporter, tête de distributeur pour une machine d'épandage agricole, et machine d'épandage agricole WO2024017535A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022118253.3 2022-07-21
DE102022118253.3A DE102022118253A1 (de) 2022-07-21 2022-07-21 Strömungseinrichtung zur zumindest teilweisen Führung einer Fördergutströmung, Verteilerkopfs für eine landwirtschaftliche Ausbringmaschine und landwirtschaftlichen Ausbringmaschine

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1097149A (fr) * 1979-02-15 1981-03-10 Daniel W. Kelm Traduction non-disponible
EP0102333A1 (fr) * 1982-07-27 1984-03-07 Ingenjörsfirman Alf Andersson Handelsbolag Méthode et dispositif d'épandage et de distribution d'une matière solide ou liquide constituée de particules
DE102008050735A1 (de) 2008-04-22 2009-11-05 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Pneumatische Direktsämaschine
CN114303620A (zh) * 2021-12-24 2022-04-12 农业农村部南京农业机械化研究所 联合收割机籽粒流量测量装置及测产方法

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Publication number Priority date Publication date Assignee Title
GB9802527D0 (en) 1998-02-06 1998-04-01 Flexi Coil Ltd Delivery of seeds by air conveyor
US8505574B2 (en) 2010-06-23 2013-08-13 Deere & Company Lid for a manifold
DE102019128863B4 (de) 2019-10-25 2023-06-29 Amazonen-Werke H. Dreyer SE & Co. KG Verteilerkopf für eine pneumatisch arbeitende Verteilmaschine
DE102021109300A1 (de) 2021-04-14 2022-10-20 Amazonen-Werke H. Dreyer SE & Co. KG Verteileinrichtung für eine pneumatisch arbeitende landwirtschaftliche Verteilmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1097149A (fr) * 1979-02-15 1981-03-10 Daniel W. Kelm Traduction non-disponible
EP0102333A1 (fr) * 1982-07-27 1984-03-07 Ingenjörsfirman Alf Andersson Handelsbolag Méthode et dispositif d'épandage et de distribution d'une matière solide ou liquide constituée de particules
DE102008050735A1 (de) 2008-04-22 2009-11-05 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Pneumatische Direktsämaschine
CN114303620A (zh) * 2021-12-24 2022-04-12 农业农村部南京农业机械化研究所 联合收割机籽粒流量测量装置及测产方法

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