NO137392B - DEVICE FOR DOSING GRAIN-MATERIAL, SPECIAL SPREADING DEVICE FOR SAND AND / OR SALT - Google Patents
DEVICE FOR DOSING GRAIN-MATERIAL, SPECIAL SPREADING DEVICE FOR SAND AND / OR SALT Download PDFInfo
- Publication number
- NO137392B NO137392B NO744416A NO744416A NO137392B NO 137392 B NO137392 B NO 137392B NO 744416 A NO744416 A NO 744416A NO 744416 A NO744416 A NO 744416A NO 137392 B NO137392 B NO 137392B
- Authority
- NO
- Norway
- Prior art keywords
- outlet
- upper side
- sand
- discharge table
- salt
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 20
- 150000003839 salts Chemical class 0.000 title claims description 3
- 239000004576 sand Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
- E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
- E01C19/2035—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels both rotating parts and reciprocating, oscillating, jolting or vibrating parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/44—Devices for emptying otherwise than from the top using reciprocating conveyors, e.g. jigging conveyors
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Jigging Conveyors (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Pretreatment Of Seeds And Plants (AREA)
Description
For mange forskjellige formål er det viktig å kunne dosere kornformig materiale, slik at man får en tidsmessig jevn strøm med like stor mengde materiale per tidsenhet. Dette problem kan løses f.eks. med fremmatningsskruer (snekkeskruer). I tilfelle det doserte materiale også skal spres, opptrer det ofte samtidig et krav på ensartet fordeling over flater, slik at hver flateenhet blir bestrødd med samme mengde materiale. For dette formål har man anvendt løpende spredningsbånd eller roterende utkasteranord-ninger. Ved en kjent type spreder for sand og/eller salt har man istedenfor anvendt et pendlende opphengt utmatningsbord plassert under et rektangulært bunnutløp til en forrådsbeholder, idet bordet settes i bevegelse frem og tilbake. Derved har materialet blitt utspredd langs hele bordets lengde og såvel ved dets for- For many different purposes, it is important to be able to dose granular material, so that you get a temporally uniform flow with an equal amount of material per unit of time. This problem can be solved e.g. with feed screws (screws). In the event that the dosed material is also to be spread, there is often at the same time a demand for uniform distribution over surfaces, so that each surface unit is sprinkled with the same amount of material. For this purpose, running spreading belts or rotating ejector devices have been used. In a known type of spreader for sand and/or salt, a oscillating suspended discharge table placed under a rectangular bottom outlet of a storage container has instead been used, the table being set in motion back and forth. Thereby, the material has been spread along the entire length of the table as well as at its front
som bakkant. as rear edge.
Oppfinnelsen henfører seg til en doserings- og spredningsanordning The invention relates to a dosing and spreading device
av sistnevnte type og har til formål å tilveiebringe en utførelse, of the latter type and aims to provide an embodiment,
som er vesentlig bedre m.h..t. sprednings-ensartetheten. Da bordets hastighet vanligvis varierer etter en sinuskurve, vil den nedsatte hastigheten ved vendepunktene ved kjente utførelser resultere i en ujevn mikrofordeling, f.eks. tverrandningseffekter. Videre kan fordelingen bli ujevn når doseringsmaterialet ved visse fuktig- which is significantly better in terms of the dispersion uniformity. As the speed of the table usually varies according to a sinusoidal curve, the reduced speed at the turning points in known designs will result in an uneven microdistribution, e.g. cross-breathing effects. Furthermore, the distribution can become uneven when the dosing material at certain moist
hets- pg temperaturforhold klumper seg eller danner bruer eller hvelvninger i forrådsbeholderen, hvorved dets bevegelse mot ut- due to hot temperature conditions clumps or forms bridges or vaults in the storage container, whereby its movement towards the outside
løpet hindres eller forsinkes på visse steder langs dets lengde, the race is obstructed or delayed at certain points along its length,
slik at det opptrer en lengderandning i det utstrødde feltet. so that a longitudinal stripe appears in the scattered field.
Ifølge foreliggende oppfinnelse unngås ovenfor angitte ulemper 1 vesentlig grad, og det oppnås en betraktelig forbedret ensartethet i fordelingen av materialet m.h.t. tid og rom. Dette oppnås ved de trekk som er angitt i den karakteriserende del av krav 1. En utførelsesform for anordning, som har vist seg hensiktsmessig 1 praksis beskrives nedenfor med henvisning til vedheftede skjema-tiske tegninger. According to the present invention, the above-mentioned disadvantages are avoided to a significant extent, and a considerably improved uniformity in the distribution of the material is achieved with regard to time and space. This is achieved by the features indicated in the characterizing part of claim 1. An embodiment of the device, which has proven to be appropriate in practice, is described below with reference to attached schematic drawings.
Fig. 1 er et perspektivisk oversiktsriss av anordningen, Fig. 1 is a perspective overview of the device,
fig. 2 og 5 viser vertikale tverrsnitt gjennom samme, fig. 2 and 5 show vertical cross-sections through the same,
•fig» A-.-viser .et-tverrsnitt- gjennom en^ alternativ utførelse av,. ; utmatningsb.ordet, .og .;■ -..vi ::- : v ..■fig? 5; viser et. parti av utmatningsbor.det setit ovenfra.-,- ...;; Materialet, som skal doseres, oppbevares i et renneformet forrådskar.l begrenset av skrånende for- og bakvegger og vertikale gavler. Karet er videst oventil og smalner av nedad mot et rektangulært bunnutløp,som strekker seg langs karets hele lengde. I det trakt-formede rom er innsatt et bevegelig gitter bestående av en 1 karets gavler dreibart^lagret aksel 2 og til denne, festede, i ulike retninger utstående armer 3.. Disse tjener som slag- eller qmrørings-organer for pppsmuldring av, materialet, knusing av klumper i dette og motvirkende hyelvningsdannelse gjennom materialets pakning mot karets skrånende sider. Under bunnutløpet og i noen avstand fra dette er anordnet et utmatningsbord, som er opphengt i pendelarmer 6,: som.er lagret på tapper 7 på karets gavler; Bordet strekker seg -langs hele lengden av-utløpet og .parallelt med dette. Dets bredde er: .betydelig større;enn bredden av utløpet, slik at bordets parallelle for- og bakkanter, i alle stillinger av den nedenfor;be-skrevne pendlingen ligger utenfor den .vertikale projeksjonen av utløpet, på. bordet. Dette innebærer, at ingen del av utløpet noen-sinde ..frilegges for direkte fall, idet det -nedrennende materialet derimot, bringes, til å bevege seg dangs _bordet ;k stort .sett -horisontal retning- innen det endelig ;legges.-av. Lister. 8 av ettergivende materiale-,...f. eks. gummi, er ved klebing eller.-med bolter, fastgjort langs, bunnutløpets. for-, og bakkanter. ■ Ved hjelp av . disse begrenses de spalter 16, gjennom hvilke materialet avgår, til ønsket størrelse. . Bordet .settes- i, bevegelse, slik at det:;pendler ved [hjelp p. v en eksen-terdr-ivanordning, som. omfatter :en på den drevne skiven 11 fastgjort veivtapp 10 og en veivstang 15, som er festet til et hengsel 9 på bordet. Skiven 11 er fastgjort ,på en aksel 12 som over en variator 14 drives.av en kraftkilde .15. Ved omstilling av varia-toremkan den' utgående akselens hastighet pg dermed utmatnings- mengden varieres. Frikoplingsmulighet bør også finnes. Drivkraften kan eventuelt og oftest med fordel overføres fra de kjørehjul, •fig» A-.-shows .a-cross-section- through an^ alternative execution of,. ; the output word, .and .;■ -..vi ::- : v ..■fig? 5; shows a part of the output bore. it is seen from above.-,- ...;; The material, which is to be dosed, is stored in a trough-shaped storage vessel limited by sloping front and back walls and vertical gables. The tub is widest at the top and tapers downwards towards a rectangular bottom outlet, which extends along the entire length of the tub. In the funnel-shaped space is inserted a movable grid consisting of an axle 2 rotatably mounted on the end of the vessel and arms 3 attached to it, protruding in different directions. These serve as impact or stirring devices for pulverizing the material , crushing of lumps in this and counteracting heaving formation through the material's packing against the sloping sides of the vessel. Underneath the bottom outlet and at some distance from this, a discharge table is arranged, which is suspended from pendulum arms 6, which are stored on pins 7 on the vessel's ends; The table extends along the entire length of the outlet and parallel to this. Its width is: .significantly greater;than the width of the outlet, so that the parallel front and rear edges of the table, in all positions of the below;described oscillation, lie outside the .vertical projection of the outlet, on. the table. This means that no part of the outlet is ever freed from direct fall, as the -flowing material, on the other hand, is made to move across the table in a largely horizontal direction before it is finally laid off . Lists. 8 of yielding material-,...f. e.g. rubber, is by gluing or.-with bolts, fixed along, the bottom outlet. front and back edges. ■ Using . these, the slots 16, through which the material leaves, are limited to the desired size. . The table is set in motion, so that it oscillates with the help of an external drive device, which. comprises: a crank pin 10 attached to the driven disc 11 and a crank rod 15, which is attached to a hinge 9 on the table. The disc 11 is attached to a shaft 12 as above variator 14 is driven by a power source 15. When changing the variator, the speed of the output shaft can therefore be reduced the quantity is varied. There should also be a disconnection option. The driving force can possibly and most often advantageously be transferred from the driving wheels,
som bærer sprederen, . hvormed utmatnlngsbordet drives bare når sprederen forflyttes over marken. which carries the spreader, . with which the output table is only driven when the spreader is moved over the field.
Den for doseringen 'karakteristiske.geometri fremgår tydeligst av The 'characteristic' geometry of the dosage can be seen most clearly from
fig. 2, der man-ser hvor ledes. utmatningsbor,det;pendler omkring tappene 7-. Med R betegnes det hvelvede bordets. radius og.imed .17 den maksimale pehdlingsv.inkelen. I pendlingens endestillin<g>er er den'under listen 8. beliggende.utraatningsspalten 16 på den ene side forstørret pg på den annen side forminsket sammenliknet med forholdene i sentralstillingen. Herved.pålegges.materialet tykk-ere mot slutten av pendelslaget og kompenserer altså for den minskede hastigheten. Doseringen skjer gjennom spalten 16 dels direkte ved avrenning, dels ved at de myke listene 8-stryker av det materiale, som er blitt tilbake på bordet når dette.svinges tilbake mot midtstillingen. Avrenningen under tyngdekraftens virkning blir kraftigere nærmere endstillingene av bordet .dels p.g.a. bordets skråning, dels^p.g.a. økning avvspaltebredden 16. Med et fig. 2, where one sees where one is led. output drill that oscillates around the pins 7-. With R is denoted that of the vaulted table. radius and.with .17 the maximum pehdlingsv.inkle. In the end positions of the commutation, it is located below the strip 8. The discharge gap 16 is on the one hand enlarged and on the other hand reduced compared to the conditions in the central position. In this way, the material is made thicker towards the end of the pendulum stroke and thus compensates for the reduced speed. Dosing takes place through the slot 16, partly directly by run-off, partly by the soft strips 8 brushing off the material that has remained on the table when it is swung back towards the center position. The runoff under the action of gravity becomes stronger closer to the end positions of the table, partly due to the slope of the table, partly due to increase avvslit width 16. With et
plant utmatningsbord kan man ikke oppnå denne effekt. Den mest hensiktsmessige verdi på krummingsradlen R for jevn spredning kan beregnes teoretisk med kjennskap til materialets egenskaper, ønsket doseringsmengde mim. For sandspredere av vanlig størrelse bør radien være 50 - 100 cm. Ifølge fig. 2 dannes bordet av en bjelke, this effect cannot be achieved with a flat output table. The most appropriate value of the curvature radius R for uniform spreading can be calculated theoretically with knowledge of the material's properties, the desired dosage quantity mim. For sand spreaders of normal size, the radius should be 50 - 100 cm. According to fig. 2 the table is formed by a beam,
hvis overside hår form av en sektor av en sylinderflate. Alterna- whose upper side hair form of a sector of a cylindrical surface. Alterna-
tivt kan bordet dannes av en bjelke med den.i fig. 4 viste pro-filen, der oversiden har en.plan^horisontal midtdel og to skrånende sidédeler. Denne form er en oftest:tilstrekkelig god approksima- tively, the table can be formed by a beam with it.in fig. 4 showed the profile, where the upper side has a planar horizontal middle part and two sloping side parts. This form is usually a sufficiently good approxima-
sjon av den sylindriske krumningen. I ;begge tilfelle kan .bordets kanter forsterkes av.nedadrettede flenser.20. tion of the cylindrical curvature. In both cases, the edges of the table can be reinforced by downward-facing flanges 20.
Størrelsen av spaltene 16 i bordets midtstilling kan varieres ved innstilling av listene 8, ved endring av lengden av pendélarmene 6 eller ved flytting av tappene 7. Disse omstillinger kan være nød-vendige for å kompensere slitasjen av listene 8 under drift. Et for oppfinnelsen viktig moment består i at det ovenfor nevnte gitter i forrådskaret .settes i bevegelse gjennom.kopling med det svingende , utma-tn-ingsbordet. Til gitterets, aksel 2 er fastgjort- en stang 18, som strekker seg ned gjennom bunnutløpet og.rager gjennom en sliss 19 i utmatningsbor.det..(se fig. 3 -5). Denne sliss strekker seg i bordets pendlingsretning og har en sådan lengde at slissens ender gjør kontakt med stangen 18 og medbringer denne bare ved deler av péndlingsbevegelseri, mens stangen derimellom er fri og av materialets påvirkning stoppes i sin bevegelse. Når stahgeh etter en still-standsperiode igjen treffes av enden på slissen, utsettes den for et støt, som forplanter seg opp gjennom samme til gitteret og for-årsaker en rysting i dette som innledning til dets svingnings-bevegelse. De således oppnådde vibrasjonene har"vist seg å være særdeles effektive for å" smuldre opp sanden og befordre dens kon-tinuerlige nedmåtning i det'traktformede forrådskaret. Vibrasjoner oppstår også i 'matningsbordet, hvorved materialets bevegelse langs dette befordres. Spesielt når spredningsbredden er stor, er det hensiktsmessig å anordne en eller flere ytterligere stenger l8. The size of the slits 16 in the middle position of the table can be varied by adjusting the strips 8, by changing the length of the pendulum arms 6 or by moving the pins 7. These adjustments may be necessary to compensate for the wear of the strips 8 during operation. An important aspect of the invention is that the above-mentioned grid in the storage tank is set in motion through connection with the swinging, dispensing table. A rod 18 is attached to the grate's shaft 2, which extends down through the bottom outlet and projects through a slot 19 in the discharge bore (see fig. 3-5). This slot extends in the table's oscillating direction and has such a length that the ends of the slot make contact with the rod 18 and bring it along only during parts of the oscillating movement, while the rod in between is free and is stopped in its movement by the influence of the material. When, after a period of rest, the stahgeh is again struck by the end of the slit, it is subjected to a shock, which propagates up through it to the grating and causes a shaking in it as a prelude to its oscillating movement. The vibrations thus obtained have "proven to be particularly effective for" crumbling up the sand and promoting its continuous reduction in the funnel-shaped storage vessel. Vibrations also occur in the feeding table, whereby the movement of the material along it is promoted. Especially when the spreading width is large, it is appropriate to arrange one or more additional rods l8.
Den viste sprederen kan selvsagt modifiseres m.h./t; sine detaljer innenfor den ramme, som er trukket opp av etterfølgende patentkrav, såsom f.eks. m.h.t. anordningene for drift av utmatningsbordét og for regulering av utmatningsmengdene..Anordningen kan tillempes The spreader shown can of course be modified in terms of time; its details within the framework drawn up by subsequent patent claims, such as e.g. regarding the devices for operating the output table and for regulating the output quantities.. The device can be applied
-også for stasjonær dosering eller.for utmatning på et løpende transportbånd. \ - also for stationary dosing or for dispensing on a running conveyor belt. \
Claims (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7316561A SE391208B (en) | 1973-12-07 | 1973-12-07 | DEVICE FOR DOSAGEING GRAIN-MATERIAL WITH VOLTAGE TENDENCIES, SEPARATE SPREADERS OF SAND AND / OR SALT |
Publications (3)
Publication Number | Publication Date |
---|---|
NO744416L NO744416L (en) | 1975-07-07 |
NO137392B true NO137392B (en) | 1977-11-14 |
NO137392C NO137392C (en) | 1978-02-22 |
Family
ID=20319318
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO744416A NO137392C (en) | 1973-12-07 | 1974-12-06 | DEVICE FOR DOSING GRAIN-MATERIAL, SPECIAL SPREADING DEVICE FOR SAND AND / OR SALT |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2457828A1 (en) |
FI (1) | FI56234C (en) |
GB (1) | GB1427450A (en) |
NO (1) | NO137392C (en) |
SE (1) | SE391208B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3153259C2 (en) * | 1981-01-20 | 1986-09-25 | Wolf-Geräte GmbH, 5240 Betzdorf | Gritting (spreading) machine |
DE3101670C2 (en) * | 1981-01-20 | 1986-02-27 | Wolf-Geräte GmbH, 5240 Betzdorf | Spreader |
GB2150198A (en) * | 1983-11-29 | 1985-06-26 | Cedric Barrington Connor | Mortar hopper |
DE4118997A1 (en) * | 1991-06-08 | 1992-12-10 | Schoelkopf Fahrbahndecken Recy | Machine for spreading stone chippings - comprises chassis mounted container with bottom slot over vibrator to eject chippings |
CN100476073C (en) * | 2007-05-22 | 2009-04-08 | 李明 | Sand layer with sand reducing and sand guiding function |
CN108408424B (en) * | 2018-04-12 | 2024-01-30 | 成都拓源仲玛科技有限公司 | Device for accurately weighing heating plate |
CN110723566A (en) * | 2019-10-24 | 2020-01-24 | 福建群峰机械有限公司 | Cloth trolley |
CN112359686B (en) * | 2020-09-27 | 2022-03-08 | 中国路桥工程有限责任公司 | Asphalt pavement performance testing and evaluating device |
CN113447636A (en) * | 2021-06-16 | 2021-09-28 | 西安理工大学 | Sand rain device |
CN116198950B (en) * | 2023-05-06 | 2023-07-14 | 合肥市超港食品有限公司 | Bread packagine machine |
CN116946509B (en) * | 2023-09-21 | 2023-12-01 | 琥崧智能装备(太仓)有限公司 | Ton bag flapping device and control method thereof |
-
1973
- 1973-12-07 SE SE7316561A patent/SE391208B/en unknown
-
1974
- 1974-11-29 GB GB5172474A patent/GB1427450A/en not_active Expired
- 1974-12-05 FI FI3531/74A patent/FI56234C/en active
- 1974-12-06 DE DE19742457828 patent/DE2457828A1/en not_active Withdrawn
- 1974-12-06 NO NO744416A patent/NO137392C/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2457828A1 (en) | 1975-06-12 |
FI353174A (en) | 1975-06-08 |
GB1427450A (en) | 1976-03-10 |
FI56234C (en) | 1979-12-10 |
NO744416L (en) | 1975-07-07 |
SE391208B (en) | 1977-02-07 |
NO137392C (en) | 1978-02-22 |
SE7316561L (en) | 1975-06-09 |
FI56234B (en) | 1979-08-31 |
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