WO2003009929A2 - A large-capacity mixer cart - Google Patents
A large-capacity mixer cart Download PDFInfo
- Publication number
- WO2003009929A2 WO2003009929A2 PCT/IT2002/000482 IT0200482W WO03009929A2 WO 2003009929 A2 WO2003009929 A2 WO 2003009929A2 IT 0200482 W IT0200482 W IT 0200482W WO 03009929 A2 WO03009929 A2 WO 03009929A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- screws
- hopper
- cart according
- mixer
- largest
- Prior art date
Links
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims 1
- 239000004459 forage Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K5/00—Feeding devices for stock or game ; Feeding wagons; Feeding stacks
- A01K5/001—Fodder distributors with mixer or shredder
- A01K5/004—Fodder distributors with mixer or shredder with mixing or shredding element rotating on vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/92—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws
- B01F27/922—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with helices or screws with two or more helices, e.g. with intermeshing helices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/212—Measuring of the driving system data, e.g. torque, speed or power data
Definitions
- the subject of the invention is a large-capacity mixer cart, of the type formed in accordance with the preamble to the main claim.
- a cart of this type comprises, in known manner, a downwardly-tapered hopper with a vertical axis, in which an upwardly-tapered, motor-driven, frustoconical screw is supported rotatably.
- These carts are produced in models with various capacities, the difference between the models generally being the dimensions of the hopper/screw assembly and the driving power installed.
- the technical aim of the invention is to provide a mixer cart which is designed structurally and functionally to overcome these limitations, without thereby compromising the ease of handling of the cart and its ability to travel on the road.
- an object of the invention is to provide a mixer cart in which an increase in capacity can be achieved whilst conforming to criteria of modularity so that the cart can be produced in different sizes with the use of mass-produced components.
- Another object of the invention is that of providing a mixer cart in which, in spite of a substantial increase in hopper capacity, optimal mixing capabilities are nevertheless ensured, even with relatively low installed power.
- FIG. 1 is a partially-sectioned, schematic, side elevational view of a mixer cart formed in accordance with the invention
- FIG. 2 is a sectioned rear elevational view of a detail of the cart of Figure 1 ,
- Figure 3 is a schematic plan view of the detail of Figure 2
- FIG. 4 is a partially-sectioned, schematic, side elevational view of a second embodiment of the mixer cart according to the invention
- - Figure 5 is a plan view of the cart of Figure 4.
- a mixer cart shown schematically and formed in accordance with the present invention, is generally indicated 1.
- the cart 1 comprises a hopper 2 having a base 3 and a shell 4 in which substantially vertical and parallel side walls 5a, 5b, connected to downwardly-tapered semi-conical front and rear end walls 6a, 6b, are defined.
- the hopper 2 is mounted on a chassis 7, mounted on wheels 8.
- the cart 1 is preferably formed as a trailer version and therefore has a tow bar 9 for connection to a tractor (not shown) and is driven by the power take-off (PTO) of the tractor for all of the necessary operations, some of which are described below.
- PTO power take-off
- the cart may, however, be provided with suitable drive means and may be produced as a self-propelled version.
- Vertical screw mixing means are mounted inside the hopper 2 and, in the embodiment shown, comprise two (or more) screws 10a, 10b with substantially parallel and spaced-apart axes Xa, Xb.
- the screws 10a, 10b have a substantially spiral shape, tapered away from the base 3 of the hopper 2, and the distance between the axes Xa, Xb is selected such that their larger-diameter portions 11 , 12, that is, their base portions, describe intersecting paths, but with a phase relationship such that physical interference is avoided.
- means are provided for synchronizing respective motors 13a, 13b for driving the screws in order to time their rotation relative to one another.
- this timing is achieved by providing, for each screw, a reader of its angular position relative to a fixed chec* element (for example, an encoder), incorporated in the respective motor and therefore not shown, and variator means for varying the speed of rotation of the screws or of the motors (for example, comprising a valve system controlling the flow of oil supplied to each motor).
- the screws 10a, 10b are thus kept in relative angular positions that are within a predetermined range such that the larger- diameter portion at the base of one of the screws 10a, 10b is facing the other screw when the large-diameter portion thereof is on the opposite side. This leads to interference between the paths of the screws 10a, 10b which permits a flow of the forage material being mixed from one screw to the other, leading to improved mixing of the feed as a whole loaded into the cart.
- delimiting means 16 are disposed between the pairs of adjacent screws.
- the delimiting means 16 comprise wedge-shaped projections 17a, 17b extending from at least one, and preferably from both, of the side walls 5a, 5b, and have respective curved walls 18 shaped with profiles similar to those of the front and rear end walls 6a, 6b, so as partially to surround the respective screws 10a, 10b with a shape tapered upwards from the base of the hopper 2.
- a second embodiment 101 of the mixer cart formed in accordance with the invention is described with reference to Figures 4 and 5. Details similar or structurally equivalent to those of the previous embodiment are marked with the same reference numerals.
- the cart 101 comprises a hopper 102 with a base 103 surrounded by a shell 104.
- Three screws 110a, 110b, 110c with vertical axes Xa, Xb, Xc and with upwardly-tapered spiral shapes are provided inside the hopper 102.
- each screw is located at a level different from the level of the adjacent screw.
- the base circle of the central screw meaning the path described in plan by the point of largest diameter of the spiral, rotates at a level such that, although its projection in plan interferes with the base circles of the adjacent screws, it does not physically interfere with the paths described by the points of largest diameter of the spirals, measured at the corresponding lever, that is, the points of largest-diameter, at the same level, between adjacent screws describe paths which do not interfere or which at most touch.
- the two end screws 110a, 110c may be raised and, in this case, the discharge door of the cart is provided in the region of the central screw.
- the base of the cart has two seats 111a, 111c with circular bases which are recessed relative to a central platform 111 b which is raised with a step and is shaped in plan as the base circle of the central screw, without the portions which interfere with the base circles of the adjacent screws.
- the remaining features are the same as in the previous embodiment, with the exclusion of the means for timing the rotation of the three screws, which are not necessary in this case.
- the mixer cart of the invention operates as follows. A plurality of feeds which together are to form a homogeneous forage mixture, are loaded into the hopper 2 in a conventional manner. Any chopping of material with long fibres (straw and the like), as well as mixing of the various ingredients, are then performed by activation of the screws 10a, 10b, 110a, 110b, 110c. The driving of the screws leads to a flow of the mixture both upwards from the bottom, as a result of the forage being drawn along by each screw, and longitudinally relative to the hopper from one screw to another, owing to the interference between their paths.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Processing Of Solid Wastes (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITPD2001A000189 | 2001-07-26 | ||
IT2001PD000189A ITPD20010189A1 (en) | 2001-07-26 | 2001-07-26 | HIGH CAPACITY MIXER TRUCK |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003009929A2 true WO2003009929A2 (en) | 2003-02-06 |
WO2003009929A3 WO2003009929A3 (en) | 2003-09-25 |
Family
ID=11452428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT2002/000482 WO2003009929A2 (en) | 2001-07-26 | 2002-07-22 | A large-capacity mixer cart |
Country Status (2)
Country | Link |
---|---|
IT (1) | ITPD20010189A1 (en) |
WO (1) | WO2003009929A2 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6863433B2 (en) | 2002-06-04 | 2005-03-08 | Kuhn Knight Inc. | Auger with forward angled leading edge |
EP1527678A1 (en) * | 2003-10-16 | 2005-05-04 | Trioliet Mullos B.V. | Mixer |
US6905238B2 (en) * | 2002-06-04 | 2005-06-14 | Kuhn Knight Inc. | Mixer with dissimilar augers |
NL1026983C2 (en) * | 2004-09-07 | 2006-03-09 | Holding J C Van Overveld B V | Method and device for separating a block of objects adhered to each other, in particular fruits. |
FR3014641A1 (en) * | 2013-12-17 | 2015-06-19 | Desvoys Et Fils | BUCKET FOR MIXING AND / OR DISTRIBUTION OF A BULK PRODUCT |
CN107232076A (en) * | 2017-05-18 | 2017-10-10 | 广州念泽环保科技有限公司 | A kind of feeding facility |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5240321A (en) * | 1991-09-09 | 1993-08-31 | Alteen Distributors Ltd. | Vertical screw mixer |
DE19829867A1 (en) * | 1998-07-03 | 2000-01-05 | Litech Bv | Machine processing cattle fodder |
DE20010221U1 (en) * | 2000-06-07 | 2000-08-31 | B. Strautmann & Söhne GmbH u. Co, 49196 Bad Laer | Drive device for vertical mixing augers on a feed mixer |
DE20012862U1 (en) * | 2000-07-25 | 2000-12-21 | Trioliet Mullos B.V., Oldenzaal | Vertical mixer for feed |
DE19953163A1 (en) * | 1999-11-04 | 2001-05-17 | Georg Mayer | Agricultural fodder mixer car comprises vertical-mounted trailer with vertical mixer screws in containers as mounted on weighers to deliver weighed mix as signalled to conveyor. |
US20010038573A1 (en) * | 2000-05-02 | 2001-11-08 | Knight William S. | Mixer apparatus |
-
2001
- 2001-07-26 IT IT2001PD000189A patent/ITPD20010189A1/en unknown
-
2002
- 2002-07-22 WO PCT/IT2002/000482 patent/WO2003009929A2/en not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5240321A (en) * | 1991-09-09 | 1993-08-31 | Alteen Distributors Ltd. | Vertical screw mixer |
DE19829867A1 (en) * | 1998-07-03 | 2000-01-05 | Litech Bv | Machine processing cattle fodder |
DE19953163A1 (en) * | 1999-11-04 | 2001-05-17 | Georg Mayer | Agricultural fodder mixer car comprises vertical-mounted trailer with vertical mixer screws in containers as mounted on weighers to deliver weighed mix as signalled to conveyor. |
US20010038573A1 (en) * | 2000-05-02 | 2001-11-08 | Knight William S. | Mixer apparatus |
DE20010221U1 (en) * | 2000-06-07 | 2000-08-31 | B. Strautmann & Söhne GmbH u. Co, 49196 Bad Laer | Drive device for vertical mixing augers on a feed mixer |
DE20012862U1 (en) * | 2000-07-25 | 2000-12-21 | Trioliet Mullos B.V., Oldenzaal | Vertical mixer for feed |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6863433B2 (en) | 2002-06-04 | 2005-03-08 | Kuhn Knight Inc. | Auger with forward angled leading edge |
US6905238B2 (en) * | 2002-06-04 | 2005-06-14 | Kuhn Knight Inc. | Mixer with dissimilar augers |
US7004617B2 (en) * | 2002-06-04 | 2006-02-28 | Kuhn Knight Inc. | Mixer with dissimilar augers |
EP1527678A1 (en) * | 2003-10-16 | 2005-05-04 | Trioliet Mullos B.V. | Mixer |
NL1026983C2 (en) * | 2004-09-07 | 2006-03-09 | Holding J C Van Overveld B V | Method and device for separating a block of objects adhered to each other, in particular fruits. |
WO2006028369A1 (en) * | 2004-09-07 | 2006-03-16 | Holding J.C. Van Overveld B.V. | Method and apparatus for separating a block of mutually adhering objects, in particular fruits |
FR3014641A1 (en) * | 2013-12-17 | 2015-06-19 | Desvoys Et Fils | BUCKET FOR MIXING AND / OR DISTRIBUTION OF A BULK PRODUCT |
CN107232076A (en) * | 2017-05-18 | 2017-10-10 | 广州念泽环保科技有限公司 | A kind of feeding facility |
Also Published As
Publication number | Publication date |
---|---|
ITPD20010189A1 (en) | 2003-01-26 |
WO2003009929A3 (en) | 2003-09-25 |
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