DK148071B

DK148071B - DRIVER DRIVER FOR FEEDING MATERIALS IN A SELF-LOADING Wagon

Info

Publication number: DK148071B
Application number: DK559882A
Authority: DK
Inventors: Peder Pedersen; Georg Lauritzen; Boerge Larsen
Original assignee: Taarup As Maskinfab
Priority date: 1982-12-17
Filing date: 1982-12-17
Publication date: 1985-02-25
Also published as: EP0128174A1; IT1167690B; ES284578Y; DK559882A; IT8324237A1; IT8324237A0; ES284578U; WO1984002252A1; DK148071C; FR2537830A1

Description

i 148071in 148071

Opfindelsen angår en medbringertromle af den i krav l's indledning angivne art. Sådanne medbringertromler bliver udsat for meget hårde påvirkninger, når der kommer sten eller andre hårde fremmedlegemer med materialet op i maski-5 nen. De tætsiddende medbringere, der som oftest er svejset på tromlens centralrør, udsættes for varierende belastninger, der søger at bøje dem fra side til side. I praksis har det vist sig nødvendigt, at medbringerne skal være ret svære og svejset på begge sider, for at de skal få en rimelig 20 levetid. Reparation af en så svær, svejst konstruktion efter et af de havarier, som ikke kan undgås, er tidkrævende □g besværlig.The invention relates to a carrier drum of the kind specified in the preamble of claim 1. Such carrier drums are subjected to very harsh stresses when rocks or other hard foreign matter with the material enters the machine. The tight-fitting joints, which are most often welded to the drum's central pipe, are subjected to varying loads that seek to bend them from side to side. In practice, it has proved necessary that the carriers must be quite heavy and welded on both sides in order to have a reasonable service life. Repairing such a heavy, welded construction after one of the unavoidable breakdowns is time-consuming □ g cumbersome.

Opfindelsen har til formål at angive en medbringertromle af den omhandlede art, som dels er mere modstandsdygtig 25 imod de påvirkninger, som fremmedlegemer i materialet kan udsætte dem for, dels er lettere at reparere, når der al-ligvel opstår skader.The invention has for its object to provide a carrier drum of the kind in question, which is partly more resistant to the stresses that foreign bodies in the material can expose to them, and is easier to repair when any damage occurs.

Dette formål opnås ved, at medbringertromlen er udformet som angivet i krav l’s kendetegnende del. Når blot med-20 bringerringene i en sådan konstruktion er fremstillet af et rimeligt godt materiale, vil de ganske vist bøje af under hårde påvirkninger, men der er ikke plads til, at der sker en blivende formforandring. Bliver en medbringer alligevel beskadiget, skal den pågældende ring blot skæ-25 res over, og en ny svejses sammen om tromlen.This object is achieved in that the carrier drum is configured as specified in the characterizing part of claim 1. As long as the lead rings in such a structure are made of reasonably good material, they will bend under severe stresses, but there is no room for a permanent change in shape. If a carrier is damaged anyway, the ring in question must simply be cut and a new one welded together around the drum.

Endnu lettere og billigere bliver reparationsarbejder, når hver medbringerring som angivet i krav 2 er opdelt i et antal sektioner, idet man da i reglen kan nøjes med at udskifte en enkelt sektion.Even easier and cheaper becomes repair work when each carrier ring as specified in claim 2 is divided into a number of sections, since it is usually enough to replace a single section.

30 Fastgørelsen af den enkelte sektion til tromlen kan foruden ved tap-hulforbindelsen ske ved, at sektionen fastgøres til sine nabosektioner i samme ring, fortrinsvis ved svejsning som angivet i krav 3.The attachment of the individual section to the drum may, in addition to the tap-hole connection, be effected by attaching the section to its neighboring sections in the same ring, preferably by welding as claimed in claim 3.

148071 2148071 2

Det er imidlertid også muligt ved en særlig udformning af fremspringene og udsparingerne at fastgøre den enkelte sektion til tromlen uafhængigt af de andre og uden brug af svejsning. En sådan udformning er angivet i krav 4, 5 og hensigtsmæssige enkeltheder er angivet i krav 5 og 6.However, it is also possible, by a special design of the projections and recesses, to attach the individual section to the drum independently of the others and without the use of welding. Such a design is set out in claims 4, 5 and appropriate details are set forth in claims 5 and 6.

En anden konstruktion, der muliggør fastgørelse af med-bringersektioner til tromlen uden svejsning, er angivet i krav 7 og en speciel udførelse deraf i krav 8.Another construction which allows attachment of carrier sections to the drum without welding is disclosed in claim 7 and a special embodiment thereof in claim 8.

10 Ued denne sidste konstruktion bøjes under sektionens påsætning den tungeformede del så langt ud til siden, at dens fremspring kan gå ind i den forskudte del af den i hovedsagen Z-formede slids i tromlen. Ved efterfølgende forskydning af medbringeren langs tromlens omkreds, hvor-15 ved det hageformede fremspring bringes til at gribe ind under endekanten af den førstnævnte aflange slids, bringes tungens fremspring samtidig hen i den ende af den forskudte slids, som overlapper og er forbundet med den anden slids af den Z-formede udsparing, fra hvilken stil-20 ling den ved sin egen fjederkraft svipper ind i endedelen af den anden slids, hvor den forhindrer en sådan forskydning af medbringeren, som kunne bringe det hageformede fremspring ud af holdeindgreb med tromlesvøbet.10 During this last construction, the tongue-shaped portion is bent so far to the side during the application of the section that its projection can enter the offset portion of the generally Z-shaped slot in the drum. Subsequent displacement of the carrier along the circumference of the drum, whereby the chin-shaped projection causes engagement of the end edge of the first elongated slot, brings the tongue projection simultaneously to the end of the displaced slot which overlaps and is connected to the other slot of the Z-shaped recess, from which position it, by its own spring force, swings into the end portion of the second slot where it prevents such displacement of the carrier which could disengage the chin-shaped projection from holding engagement with the drum sheath.

Til forbedring af medbringernes stabilitet på tromlen 25 kan sektionerne være udformet med yderligere fremspring som angivet i krav 9.To improve the stability of the drivers on the drum 25, the sections may be formed with additional projections as set forth in claim 9.

Den i praksis mest hensigtsmæssige placering af medbringerne fås ved den i krav 10 angivne relative beliggenhed af slidserne i tromlen.In practice, the most convenient positioning of the carriers is obtained by the relative location of the slots in the drum as claimed in claim 10.

30 Opfindelsen skal forklares nærmere i det følgende under henvisning til tegningen, hvor 148071 3 fig. 1 viser halvdelen af en medbringerring til en udførelsesform for medbringertromlen ifølge opfindelsen set fra siden, fig. 2 en medbringersektion til en anden udførelsesform 5 for medbringertromlen ifølge opfindelsen set fra siden, fig. 3 i perspektivisk snit viser, hvorledes medbringer-sektioner fastgøres aftageligt til tromlen ved en tredje udførelsesform for medbringertromlen ifølge opfindelsen, og 10 fig. 4 viser den foretrukne relative beliggenhed af tromleslidser til optagelse af fremspring på medbringersek-tionerne.BRIEF DESCRIPTION OF THE DRAWINGS The invention will be explained in more detail below with reference to the drawing, in which: FIG. 1 is a side view of half of a carrier ring for an embodiment of the carrier drum according to the invention; FIG. 2 is a side view of a driver section for another embodiment 5 of the driver drum according to the invention; FIG. 3 is a perspective view showing how the carrier sections are removably attached to the drum by a third embodiment of the carrier drum according to the invention; and FIG. 4 shows the preferred relative location of drum slots for receiving projections on the driver sections.

I fig. 1 repræsenterer cirkelbuen 10 den cylindriske overflade af en ikke nærmere vist medbringertromle af den 15 art, der f.eks. anvendes i en læssevogn til at føre fra marken opsamlet stråmateriale forbi snitteknive og til at kaste det snittede materiale op i vognen.In FIG. 1, the circular arc 10 represents the cylindrical surface of a non-shown carrier drum of the type 15, e.g. is used in a loading trolley to carry straw material collected from the field past the cutting blades and to throw the cut material into the trolley.

På tromlen er side om side løst anbragt et antal pladeformede medbringerringe, hvoraf i fig. 1 er vist halvdelen 20 af en enkelt ring 11. Hver ring består af et antal med- bringere 12, der hver har en kropdel 13, hvis inderkant 14 er krum og ligger an mod tromlefladen 10, og en tandformet medbringerdel 15, hvis forkant 16 forløber i hovedsagen radialt i forhold til tromlen, dog i praksis for-25 trinsvis således, at den hælder lidt fremover. Den inderste del 17 af medbringerens forkant skråner indad og bagud i forhold til den ydre forkantdel 16 under en vis vinkel, og medbringerens bagkant 18 skråner bagud under en sådan vinkel, at den i medbringernes samlede 30 tilstand bliver parallel med nabofrembringerens forkant-del 17. De to kantdele 17 og 18 er svejset sammen ved en svejsesøm 19. Ued sin indre ende går forkantdelen 17 over 148071 4 i et kort inderkantstykke 20, som strækker sig langs med og i lille afstand fra tromlefladen 10 hen til et fremspring 21, der går ind i en i fig. 1 vist slids i tromlen, hvorved medbringerringen holdes på plads i forhold til tromlen.A number of plate-shaped carrier rings are loosely mounted on the drum, of which in FIG. 1, half 20 is shown by a single ring 11. Each ring consists of a plurality of carriers 12, each having a body part 13, the inner edge of which 14 is curved and abutting against the drum surface 10, and a tooth-shaped carrier part 15, the leading edge of which 16 generally proceeds radially with respect to the drum, though in practice preferably so as to incline slightly forward. The inner portion 17 of the leading edge of the carrier slopes inwardly and rearwardly with respect to the outer leading edge 16 at a certain angle, and the rear edge 18 of the carrier slopes rearwardly at such an angle that, in the overall condition of the carrier, it becomes parallel to the leading edge portion 17 of the neighboring member. The two edge portions 17 and 18 are welded together by a weld seam 19. At its inner end, the front portion 17 extends over a short inner edge piece 20 extending along and at a small distance from the drum surface 10 to a projection 21 extending into one of FIG. 1 shows a slot in the drum, whereby the carrier ring is held in place relative to the drum.

5 Hvis en eller flere medbringere beskadiges af en sten eller anden hård genstand, som under kørsel på marken bringes med materialet op til medbringertromlen, kan den eller de pågældende medbringere skæres fri af ringen og erstattes med en eller flere nye, som svejses fast til 10 nabodelene.5 If one or more carriers are damaged by a stone or other hard object which, while driving on the field, is brought with the material up to the carriage drum, the carriage (s) in question may be cut free from the ring and replaced by one or more new ones which are welded to 10 neighboring parts.

I stedet for at medbringerringen 11 består af sammensvejsede enkeltmedbringere, kan den enventuelt være udført i ét eller to stykker, som er indbyrdes svejset sammen om tromlen.Instead of the carrier ring 11 being composed of welded single carriers, it may optionally be made in one or two pieces welded together around the drum.

15 I fig. 2 er vist en kvadrant af en medbringertromle 30 med en påsat pladeformet medbringersektion, der som helhed er betegnet med 31 og består af en kropdel 32 og to tandformede medbringere 33 og 34, hvoraf den første er beliggende ved den forreste ende af og danner forkanten 20 35 af sektionen, medens den anden er beliggende et lille stykke bag midten af sektionen.In FIG. 2, a quadrant of a carrier drum 30 is shown with an attached plate-shaped carrier section, which as a whole is designated 31 and consists of a body part 32 and two tooth-shaped drivers 33 and 34, the first of which is located at the front end of and forms the leading edge 20 35 of the section, while the other is located a short distance behind the center of the section.

Ved sin bageste ende har kropdelen 32 et hageformet fremspring 36, som griber ind i en aflang slids 37 i tromlen 30 og ind under den kantdel af tromlen,, der begrænser 25 slidsen fortil. På sin midterste del har kropdelen et fremspring 38, der har form af et rektangel med afrundede ydre hjørner, og som griber ind i en aflang slids 39 i tromlen. Ved sin forreste ende har medbringersektionen endvidere en fjedrende låsehage 40, der er udformet på den 30 indre ende af en radial strimmel 41, som danner en del af sektionens forkant og er således adskilt fra kropdelen 32 ved en radial slids 42, at den danner en fjeder, der tillader låsehagen 40 at bevæges så langt fremad imod strimlens 14807 1 5 fjedervirkning, at den kan passere forbi bagkanten af en slids 43 svarende til slidsen 37 i tromlen. En sådan fremadbevægelse af låsehagen 40 frembringes automatisk under medbringersektionens påsætning ved, at en skrå un-5 derkant 44 på låsehagen virker som en kamkant,, der gliderlangs slidsen 43's bagkant. Efter at have passeret denne smækker låsehagen med snapvirkning ind i den viste låsestilling, hvori den griber ind under den kantdel af tromlen, der begrænser slidsen 43 bagtil. En således 10 påsat medbringersektion er let at tage af og erstatte med en ny, hvis den bliver beskadiget.At its rear end, the body portion 32 has a chin-shaped projection 36 which engages an elongate slot 37 in the drum 30 and below the edge portion of the drum which limits the slot to the front. At its middle portion, the body portion has a projection 38 which is in the form of a rectangle with rounded outer corners and which engages an elongate slot 39 in the drum. Furthermore, at its front end, the driver section has a resilient locking hook 40 formed on the inner end of a radial strip 41 which forms part of the leading edge of the section and is thus separated from the body portion 32 by a radial slot 42 to form a spring which allows the locking hook 40 to move so far forwardly against the spring action of the strip 14 that it can pass past the trailing edge of a slot 43 corresponding to the slot 37 in the drum. Such forward movement of the locking hook 40 is automatically produced during the attachment of the driver section by the fact that an inclined bottom edge 44 of the locking hook acts as a cam edge sliding along the rear edge of the slot 43. After passing through this, the locking catch snaps with the snap action into the shown locking position, whereby it engages under the edge portion of the drum restricting slot 43 at the rear. A carrier section 10 thus mounted is easy to remove and replace with a new one if damaged.

Til forstærkning og afstivning af tromlen 30 kan denne på indersiden være udstyret med langsgående, fastsvejsede ribber.For reinforcing and stiffening the drum 30, the inside may be provided with longitudinally welded ribs.

15 I fig. 3 er vist et udsnit af en tromle 50 og to med-bringersektioner 51a og 51b, den første 51a i den stilling, den indtager lige før påsætning, og den anden 51b i påsat stilling. Medbringersektionerne har her et hageformet fremspring 52 og adskilt derfra og fra den 20 øvrige del af sektionen ved en L-formet udsparing 53 en fjedrende låsehage 54. Tromlen 50 er udformet med en i hovedsagen Z-formet udsparing bestående af to aflange slidser 55 og 56, der er forskudt for hinanden både ak-sialt og i omkredsens retning, men overlapper og er for-25 bundet med hinanden over en strækning, der tillader låsehagens fremspring at bevæge sig på tværs i udsparingen fra den ene slids til den anden. Med medbringersektionen 51a anbragt i den viste stilling bøjes låsehagen så meget ud til venstre, at den kan gå ned i slidsen 56 samtidig 30 med, at fremspringet 52 går ned i slidsen 55. Ved en efterfølgende forskydning af sektionen i den ved en pil 57 viste retning langs tromlens omkreds griber næsen på fremspringet 52 ind under tromlesvøbet, og låsehagen 54's næse bevæger sig hen til tværpassagen mellem de toIn FIG. 3 is a sectional view of a drum 50 and two carrier sections 51a and 51b, the first 51a in the position it occupies just before loading, and the second 51b in the applied position. The carrier sections here have a hook-shaped projection 52 and separated therefrom and from the other 20 of the section by an L-shaped recess 53 a resilient locking hook 54. The drum 50 is formed with a generally Z-shaped recess consisting of two elongate slots 55 and 56 , which are displaced to each other both axially and in the circumferential direction, but overlap and are interconnected over a stretch which permits the protrusions of the catch to move transversely in the recess from one slot to the other. With the carrier section 51a positioned in the position shown, the locking hook is bent so much to the left that it can go down into the slot 56 at the same time as the projection 52 goes down into the slot 55. In a subsequent displacement of the section in the arrow 57 shown direction along the circumference of the drum, the nose of the projection 52 engages under the drum shell and the nose of the locking hook 54 moves to the transverse passage between the two

Claims

14807 1 slots, whereupon by its own spring force, with a snap movement, enters slot 55 and locks the section. The section is removed by the inverse sequence of operations.

A carrier drum for conveying straw material in a self-loading carriage, the drum having substantially radial carriers (15, 33, 34) divided into spaced sets in the axis of the drum, each consisting of a plurality of preferably the same carriers, 30 characterized in that each set of carriers 148071 (15, 33, 34) forms a ring and is retained on the drum by means of projections which enter into recesses in the drum.

Carrier drum according to claim 1, characterized in that each carrier ring is divided into a number of carrier sections.

Carrying drum according to claim 2, characterized in that each section has at least one projection for engagement in a recess in the drum and at the ends 10 is attached to its neighboring sections in the same ring, preferably by welding.

Carrying drum according to claim 2, characterized in that each section has a hook-shaped projection (36, 52) for insertion into an elongated slot (37, 55) in the drum and a resilient locking hook (40, 54) which can snap-actuate be locked into another elongated slot in the drum.

Carrying drum according to claim 4, characterized in that the resilient locking hook (40) is constituted by a substantially radial, strip-shaped, front slot edge (41) thereof limited by a slot (42) in the section and The end portion of the edge portion (40) formed with a curved edge (44) facing the drum inner face (44) for pushing the locking hook outwardly during the sectioning on the drum by combing with one end of the slot in the drum.

5 A carrier section such as that of FIG. 3 can also be fixed in a single elongated slot such as 55 when the longitudinal portion of the L-shaped slot 53 is made so wide that. the locking hinge 54 can spring far enough back into the plane of the section for the projection 52 to be fully inserted into the bottom of the drum slot. The driver sections 51a and 51b can, like the one shown in FIG. 2 is provided with one or more additional projections for engaging in corresponding recesses in the drum. It should be noted that FIG. 3 only serves to illustrate the manner in which carrier sections can be attached to the drum. In practice, these sections are much closer than shown in FIG. 3. In addition, it will generally be desirable for them to be offset to each other in the direction of the drum circumference so that the various slots for receiving the protrusion of the carriers are located along helical lines on the drum surface as shown in FIG. 4, showing part of a natural scale unfolded drum surface. P atent requirements:

Carrier drum according to claim 5, characterized in that the chin-shaped projection (36) is located at the rear end of the section and that slots 30. the drum is arranged to receive both the chin-shaped projection (36) on one section and the locking hinge ( 40) on one neighboring section.