DK161162B - STEPLESS ADJUSTABLE TENSION DRIVE - Google Patents
STEPLESS ADJUSTABLE TENSION DRIVE Download PDFInfo
- Publication number
- DK161162B DK161162B DK555886A DK555886A DK161162B DK 161162 B DK161162 B DK 161162B DK 555886 A DK555886 A DK 555886A DK 555886 A DK555886 A DK 555886A DK 161162 B DK161162 B DK 161162B
- Authority
- DK
- Denmark
- Prior art keywords
- disc
- drive according
- tensile
- halves
- carrier elements
- Prior art date
Links
- 230000001965 increasing effect Effects 0.000 claims description 6
- 239000000969 carrier Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/52—Pulleys or friction discs of adjustable construction
- F16H55/56—Pulleys or friction discs of adjustable construction of which the bearing parts are relatively axially adjustable
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H13/00—Gearing for conveying rotary motion with constant gear ratio by friction between rotary members
- F16H13/10—Means for influencing the pressure between the members
- F16H13/14—Means for influencing the pressure between the members for automatically varying the pressure mechanically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/16—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using two pulleys, both built-up out of adjustable conical parts
- F16H2009/166—Arrangements of two or more belt gearings mounted in series, e.g. for increasing ratio coverage
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Friction Gearing (AREA)
Description
iin
DK 161162 BDK 161162 B
Opfindelsen angår et trinløst indstilleligt trækmiddeldrev, isar til landbrugsmaskiner, med en trækmiddelskive ved såvel indgangssiden som ved udgangssiden, samt en dobbeltskive med variabel effektiv diameter, og som er lejret på en svingbar 5 bærearm, hvor dobbeltskiven omfatter to skivehalvdele, som er fast anbragt på enderne af mindst ét nav og to på navet aksi-alt forskydelige midterste skivehalvdele.BACKGROUND OF THE INVENTION 1. Field of the Invention The invention relates to an infinitely adjustable traction drive, particularly for agricultural machines, with a traction medium disk at both the input side and the output side, and a double disk of variable effective diameter, which is mounted on a pivotable support arm, wherein the double disk comprises two disk halves fixedly mounted on the ends of at least one hub and two of the hub axially-all displaceable middle disc halves.
Fra DE-patentskrift nr. 15 00 371 kendes et sådant trinløst j0 indstilleligt trækmiddeldrev for en mejetærsker, hvor den iFrom DE Patent Specification No. 15 00 371 such a stepless j0 adjustable puller drive is known for a combine harvester, in which
sin effektive diameter foranderlige dobbeltskive er udformet som en dobbeltkileremskive, så at den effektive diameter af den ene kileremskive ved dobbeltskivens svingning med bærearmen tvangsmæssigt forøges og den effektive diameter af den an-15 den kileremskive tvangsmæssigt formindskes. I afhængighed af dobbeltskivens stilling bliver trækmiddelskiven på udgangssiden ligeledes tvangsmæssigt ændret i sin effektive diameter for at opretholde en tilstrækkelig remspænding. Omstillingen af dobbeltskiven med bærearmen tjener til ændring af trækmid-20 deldrevets omsætningsforhold for mejetærskerens fremdrift. Iits effective diameter adjustable double disc is designed as a double V-belt pulley so that the effective diameter of one V-belt pulley is forced by the double-pivot with the support arm forcibly increased and the effective diameter of the other V-belt pulley is forcibly reduced. Depending on the position of the double disc, the pull-out disc on the output side is also forcibly altered in its effective diameter to maintain a sufficient belt tension. The adjustment of the double disk with the support arm serves to change the gear ratio of the drive medium to the combine's propulsion. IN
det store og hele kan der med dette trækmiddeldrev kun overføres et begrænset moment, hvorfor det kun egner sig til mindre maskiner.on the whole, this torque drive can only transmit a limited torque, which is why it is only suitable for smaller machines.
Fra OE-patentskrift nr. 24 22 221 kendes endvidere et trækmid-25 deldrev til en mejetærskers fremdrift, hvor der allerede er truffet forholdsregler for at remspændingen passer til det moment, der skal overføres ved større maskiner. I detaljer er det udrustet med en trækmiddelskive med fast diameter ved indgangssiden, som er forbundet med en forbrændingsmotor og en 3 0 med et drev forbundet trækmiddelskive med variabel effektiv diameter ved udgangssiden, som begge via endeløse remme står i forbindelse med en dobbeltskive til ændring af udvekslingsforholdet. Den fra forbrændingsmotoren via trækmiddelskiven ved indgangssiden drevne rem arbejder sammen med den skivehalvdel 3 5 på dobbeltskiven, hvis effektive diameter ikke er variabel, så at den del af trækmiddeldrevet, der hører til drivindgangssiden ikke kan ændres i sit udvekslingsforhold. På dobbeltski-Furthermore, from OE Patent No. 24 22 221, a pulling medium drive is known for the thrust of a combine harvester, where precautions have already been taken to match the belt tension to the torque to be transmitted on larger machines. In detail, it is provided with a fixed diameter puller disc at the input side which is connected to an internal combustion engine and a drive with variable effective diameter puller disc at the output side, both of which are connected via endless belts to a double disc for changing exchange ratio. The belt driven from the internal combustion engine via the inductive pulley at the input side cooperates with the disc half of the double disc, whose effective diameter is not variable, so that the part of the drive agent belonging to the drive input side cannot be changed in its ratio. On double skis
DK 161162 BDK 161162 B
2 ven sidder imidlertid yderligere en aksialt indstillelig skivehalvdel, som samarbejder med en aksialt ikke indstillelig skivehalvdel og via en yderligere rem driver trækmiddelskiven ved udgangssiden. Denne har en skivehalvdel, som i afhængig-5 hed af en drejningsmomenttilvækst via en medbri ngerstyring forskydes i aksialretningen mod virkningen af en fjeder. Med denne drejningsmomentafhængige trækmiddelskive bliver remspændingen i hele trækmiddeldrevet automatisk forøget, når drejningsmomentet forøges. Ligeledes bliver remspændingen 10 automatisk formindsket, når drejningsmomentet formindskes. Naturligvis er denne konstruktion kostbar og var derfor kun forbeholdt de større mejetærskertyper.However, a second member is provided with an axially adjustable disc half, which cooperates with an axially non-adjustable disc half and via an additional belt drives the puller disc at the output side. This has a disc half which, in dependence on torque increase via a driver control, is displaced in the axial direction against the action of a spring. With this torque-dependent inductive pulley, the belt tension throughout the inductor drive is automatically increased as the torque increases. Likewise, the belt tension 10 is automatically reduced as the torque decreases. Of course, this construction is costly and was therefore only reserved for the larger combine harvesters.
Endvidere kendes fra US patent nr. 2.672.761 en ikke svingbar 15 mellemskive, som ved hjælp af et trækmiddel overfører drejningsmomentet fra en indstillelig konusskive ved indgangssiden til en anden indstillelig konusskive ved udgangssiden. En midterskive hørende til mellemskiven består derved af to skivehalvdele, som er aksialt afstivede mod hinanden ved hjælp af 20 en trykfjeder og ved en udvekslingsindstilling sammen bliver forskudt aksialt af remmen.Furthermore, from US Patent No. 2,672,761 a non-pivotable intermediate disc is known which, by means of a pulling means, transfers the torque from an adjustable cone disc at the input side to another adjustable cone disc at the output side. A central disk belonging to the intermediate disk thus consists of two disc halves which are axially stiffened against each other by means of a compression spring and, in an exchange setting together, are displaced axially by the belt.
Desuden er det fra US patent nr. 2.563.896 kendt ved et friktionshjuldrev at anvende på en forskydelig slæde anbragte mellemskiver, som er forsynet med drejningsmomentafhængige mod- 25 . ...In addition, it is known from US Patent No. 2,563,896 to a friction wheel drive to be applied to a slidable spacer fitted with torque-dependent countermeasures. ...
tryksi ndretm nger.pressure changes.
Formålet med opfindelsen er at udforme det i indledningen beskrevne prisgunstige trækmiddeldrev således, at også store drejningsmomentspidser som f.eks. kan optræde ved kørsel i 30 vanskeligt terræn eller ved start, bliver opfanget uden at trækmidlet skrider igennem. Dette formål bliver løst med trækmiddeldrevet ifølge opfindelsen, som er ejendommeligt ved, at de midterste skivehalvdele er separate og kan forbindes ved hjælp af medbringerelementer, som er i indgreb med hinanden, 35 og som kan forskydes i forhold til hinanden, hvorhos den anden af de midterste skivehalvdele er monteret drejelig i forhold til den første midterste skivehalvdel. På denne måde bliver en af de midterste skivehalvdele af dobbeltskiven drejet i for- 3The object of the invention is to design the inexpensive tensile medium drives described in the introduction so that also large torque peaks such as e.g. can occur when driving in 30 difficult terrain or at take-off, gets caught without the pull-through going through. This object is solved by the tensile drive according to the invention, which is characterized in that the middle disc halves are separate and can be connected by means of engaging elements which are engaged with each other, and which can be displaced relative to each other, wherein the other of the middle disc halves are rotatably mounted relative to the first middle disc half. In this way, one of the middle disc halves of the double disc is rotated in the front 3
DK 161162 BDK 161162 B
hold til den anden, så snart en rem begynder at skride ved drejningsmomentspidser, hvorved afstanden mellem de midterste skivehalvdele forøges som følge af de eksisterende medbringer-elementer, og spalten til remmen eller trækmidlet indsnævres 5 og remmen spændes i afhængighed af drejningsmomentet.hold to the other as soon as a belt begins to slip at torque peaks, thereby increasing the distance between the middle disc halves as a result of the existing carrier elements, and the gap to the belt or puller narrows 5 and the belt is tensioned depending on the torque.
I den forbindelse er det fordelagtigt, at medbr i ngerelementerne alle er anbragt i ringform og koaksialt med akslen på de over for hinanden liggende endeflader af de forskydelige mid-terste skivehalvdele, og at den første midterste skivehalvdel via en fortanding er drejefast forbundet med den skivehalvdel, der fuldender trækmiddelskiven, medens den anden midterste skivehalvdel er indirekte eller direkte drejeligt lejret på navet. Ved anvendelsen af to skivehalvdele, som ved endeflad-jg erne er udrustet med i indgreb bringbare medbringer-elementer, kan trækmiddelskiven i afhængighed af drejningsmomentkræfterne på enkel måde forskydes i f.eks. aksialretningen og altså de indre overflader af skivehalvdelene trykkes imod ydersiderne af trækmidlet, så at tilpresningskraften mod trækmidlet følge-20 lig også bliver forøget. Herved kan et større drejningsmoment overføres ved hjælp af trækmiddelskiven og dermed kan sløret holdes lille. I den forbindelse er det fordelagtigt, at den anden midterste skivehalvdel er lejret drejeligt og aksialt forskydeligt på et nav for den første midterste skivehalvdel, og at den anden midterste skivehalvdel ved forøgelse af denIn this connection, it is advantageous that the carrier elements are all arranged in annular form and coaxially with the shaft on the opposite end faces of the displaceable middle disc halves and that the first middle disc half is rotatably connected to the disc half via a tooth. which completes the tensile disc while the other middle disc half is indirectly or directly rotatably mounted on the hub. By using two disc halves, which are provided at the end surfaces with engaging carrier elements, the tensile disc can, in dependence on the torque forces, be easily displaced in e.g. the axial direction and thus the inner surfaces of the disc halves are pressed against the outer sides of the pulling means, so that the pressing force against the pulling means is consequently also increased. In this way, a greater torque can be transmitted by means of the puller disk and thus the veil can be kept small. In this connection, it is advantageous that the second middle disc half is mounted pivotally and axially displaceable on a hub for the first middle disc half and that the second middle disc half increases by
L OL O
aksiale afstand i forhold til den første midterste skivehalvdel er begrænset i sin aksiale bevægelse af en sikringsring.axial distance relative to the first middle disc half is limited in its axial movement by a securing ring.
Ved anvendelsen af en sikringsring forhindres det, at den midterste skivehalvdel bliver forskudt for langt til den ene si-3Q de, når der f.eks. optræder en uregelmæssig belastning på trækmidlet.The use of a securing ring prevents the middle disc half from being displaced too far to one side-3Q when, e.g. an irregular load on the pulling agent occurs.
For at de enkelte medbringerelementer ved beskadigelse lettere skal kunne udskiftes er det fordelagtigt, at medbringerelemen- terne ved hjælp af skruebolte er løsbart forbundne med ende-3 5 fladerne af de to skivehalvdele. Endvidere er det fordelagtigt, at medbringerelementerne i længdesnit er pyramidestub-formede, og at den anden midterste skivehalvdel kan forskydes iIn order that the individual carrier elements can be more easily replaced in the event of damage, it is advantageous that the carrier elements are releasably connected to the end surfaces of the two disc halves by means of screw bolts. Furthermore, it is advantageous that the longitudinal carrier elements are pyramid stub-shaped and that the second middle disc half can be displaced in
DK 161162 BDK 161162 B
imod virkningen af en fjeder. Ved anvendelsen af en fjeder bliver det nødvendige friktionstryk på trækmidlet tilvejebragt ved starten af trækmiddeldrevet, så at sløret også ved starten af trækmiddeldrevet kan holdes lille.against the action of a spring. When using a spring, the necessary frictional pressure on the tensile means is provided at the start of the tensile agent drive, so that the veil at the start of the tensile mean drive can also be kept small.
5 I en yderligere udførelsesform ifølge opfindelsen er det fordelagtigt, at de med endefladerne af skivehalvdelene forbundne medbringerelementer danner en sammenhængende medbringerring, og at de hinanden berørende medbringerflader på medbringerele-1Q menterne med de tilhørende ydersider, som ligger an mod endefladerne af skivehalvdelene, danner en vinkel på mellem 35° og 45°.In a further embodiment of the invention, it is advantageous that the carrier elements connected to the end surfaces of the disc halves form a coherent carrier ring, and that the interconnecting carrier surfaces of the carrier elements with the associated outer faces abutting the end surfaces of the disc halves form one. angle between 35 ° and 45 °.
Opfindelsen beskrives i det følgende nærmere ved hjælp af en udførelsesform og under henvisning til tegningen, hvor 15 fig. 1 viser et udsnit af en høstmaskine, f.eks. en mejetærsker med et trinløst indstilleligt trækmiddeldrev ifølge opfindelsen til køredrevet, 2Q fig. 2 trækmiddeldrevet ifølge fig. 1, fig. 3 et snit gennem dobbeltskiven i trækmiddeldrevet, fig. 4 den ene skivehalvdel i dobbeltskiven, set fra siden, 2g fig. 5 et snit langs linien 5 - 5 i fig. 4, fig. 6 et snit gennem et enkelt medbringerelement, som kan fastgøres på endeoverfladen af skivehalvdelen, set langs linien 8 - 8 i fig- 8, 30 fig. 7 en afvikling af nogle i hinanden indgribende medbringerelementer, set langs linien 7 - 7 i fig. 5, og fig. 8 en plantegning af medbringerelementet i fig. 5.The invention will now be described in more detail by way of an embodiment and with reference to the drawing, in which: FIG. 1 shows a section of a harvesting machine, e.g. a combine harvester with an infinitely adjustable traction drive according to the invention for the drive, 2Q FIG. 2 shows the tensioning agent drive according to FIG. 1, FIG. 3 is a section through the double disk of the excipient drive; FIG. 4 is a side view of one disc half of the double disc, FIG. 5 is a sectional view taken along the line 5-5 of FIG. 4, FIG. 6 is a section through a single carrier element which can be secured to the end surface of the disc half as seen along the line 8 - 8 of FIG. 8, FIG. 7 shows a settlement of some interlocking carrier elements, seen along the line 7-7 in FIG. 5, and FIG. 8 is a plan view of the carrier element of FIG. 5th
På tegningen er kun delvis vist en mejetærsker 10, på hvis fo-3 5 rreste drivaksel 12 der er anbragt kørehjul 14. For overskuelighedens skyld er på tegningen kun vist det højre forreste kørehjul 14. På drivakslen 12 er anbragt et differentialdrevThe drawing shows only partially a combine harvester 10, on which the front drive shaft 12 is fitted with drive wheels 14. For the sake of clarity, only the right front drive wheel 14. The drive shaft 12 has a differential drive.
DK 161162 BDK 161162 B
s 16 og en gearkasse 18, der optager et udvekslingsdrev, med hvilket forskellige fra en aksel 20 med en dreven trækmiddel-skive 22 udgående hastighedsområder kan indstilles. Ved den forreste ende af mejetærskeren befinder sig et høstbjernings-5 redskab 23, som består af et skæreværk 24, en skærebund 26 samt en indtrækningssnekke 28, ved hjælp af hvilken det optag ne høstmateriale bliver ledet ind i et skråtransportørhus 30 med en elevatortransportør 32. Elevatortransportøren 32 fører høstmaterialet til en tærsketrommel 36, som er drejeligt lej-10 ret på en aksel 38. Nedenunder tærsketromlen 36 befinder sig en tærskekurv 40. Akslen 38 for tærsketromlen 36 er lejret i mejetærskerens 10 sidevægge 42. På den ene yderste ende af akslen 38 findes en drivskive 44, som ved hjælp af et trækmiddel 58 er trækmæssigt forbundet med trækmiddelskiven 54. Trækmid-15 delskiven 54 samt en ved siden af denne anbragt trækmiddel ski- ve 56 er lejrede på en aksel 52 i en forbrændingsmotor 50.s 16 and a gearbox 18 which accommodates an gear drive with which different speed ranges from a shaft 20 with a driven puller disc 22 can be adjusted. At the front end of the combine is a harvester 5 implement 23, which consists of a cutting tool 24, a cutting base 26 and a retraction screw 28, by which the harvested harvesting material is fed into an inclined conveyor housing 30 with a lift conveyor 32. The elevator conveyor 32 leads the harvesting material to a threshing drum 36 which is pivotally mounted on a shaft 38. Below the threshing drum 36 is a threshing basket 40. The shaft 38 of the threshing drum 36 is mounted in the sidewalls 42 of the harvester 10. 38, there is a drive disc 44 which is connected by means of a pulling means 58 to the pulling means disc 54. The moving means disc 54 and an adjacent disc disc 56 are mounted on a shaft 52 in an internal combustion engine 50.
Forbrændingsmotoren 50 befinder sig bagved en på mejetærskeren 10 anbragt opsamlingsbeholder 48. Foran opsamlingsbeholderen 48 er betjeningspulten 46 anbragt.The internal combustion engine 50 is located behind a collection container 48 located on the combine 10. In front of the collection container 48 the operating desk 46 is arranged.
2020
Mejetærskerens 10 drivaksel 12 og dermed kørehjulene 14 bliver drevet fra et trinløst indstilleligt trækmiddeldrev 59. Træk-middeldrevet 59 (se fig. 1 og 2) består af den på akslen 52 anbragte trækmiddelskive 56, en på en svingbart anbragt bære-arm 60 placeret dobbeltskive 66, der består af to kileremski-ver samt en fjerde trækmiddelskive 22. Trækmiddelskiven 56 står via et trækmiddel 69 i drivmæssig forbindelse med den ene kileremskive 62 (fig. 3) hørende til dobbeltskiven 66, medens den anden kileremskive 64 via et trækmiddel 68 er drivmæssigt 3q forbundet med trækmiddelskiven 22.The drive shaft 12 of the combine 10 and thus the drive wheels 14 is driven from an infinitely adjustable pulling means drive 59. The pulling means drive 59 (see Figs. 1 and 2) consists of the pulling means disk 56 located on the shaft 52, a double disk 60 mounted on a pivotally mounted arm. 66, which consists of two V-belts and a fourth puller disk 22. The pull-up disk 56 is driven by means of a puller 69 in operative communication with one V-belt pulley 62 (Fig. 3) belonging to the double disk 66, while the other V-belt pulley 64 is via a puller 68. operatively 3q connected to the tensioning disc 22.
Som det fremgår af fig. 2 er dobbeltskiven 66 ved hjælp af en aksel 70 forskydeligt anbragt i et i bærearmen 60 tildannet langhul 72. På akslen 70 angriber en remspændeindretning, som består af en indstillelig spindel 74, der ved den ene ende er 3 5 forbundet med sidevæggen 42, og ved den anden ende er drejeligt optaget i en spændbøsning 76. Spændbøsningen 76 er fast forbundet med akslen 70. Ved drejning af spindelen 74 kan dob- 6As shown in FIG. 2, the double washer 66 is slidably arranged by means of a shaft 70 in a long hole 72 formed in the support arm 60. On the shaft 70, a belt tensioning device, which consists of an adjustable spindle 74, which at one end is connected to the side wall 42, attacks at the other end is pivotally received in a clamping sleeve 76. The clamping sleeve 76 is firmly connected to the shaft 70. When turning the spindle 74,
DK 161162 BDK 161162 B
beltskiven 66 forskydes i langhullet 72 og dermed kan den nødvendige remspænding for trækmiddeldrevet 59 indstilles. Bærearmen 60 er svingbart forbundet med en ved sidevæggen 42 anbragt holder 78. Med henblik på svingning af bærearmen 60 fin-5 des en hydraulisk påvirkelig indsti 11 ingscy1 inder 80, som med sin ene ende angriber ved en på sidevæggen 42 anbragt holder 82, og med sin anden ende med stempelstangen 84 angriber i en vægtarm 87, som er fast forbundet med bærearmen 60. Ved ind-og udkørsel af stempelstangen 84 hørende til indsti11 ingscy-10 linderen 80 kan bærearmen 60 svinges og dermed den effektive diameter af de to trækmiddelskiver 62 og 64 ændres tilsvarende.the belt pulley 66 is displaced in the long hole 72 and thus the required belt tension of the tensioning drive 59 can be set. The support arm 60 is pivotally connected to a holder 78 located at the side wall 42. For the purpose of pivoting the support arm 60, there is found a hydraulically adjustable positioning cylinder 80, which at one end engages at a holder 82 located on the side wall 42, and with its other end with the piston rod 84 engaging in a lever arm 87 which is firmly connected to the support arm 60. Upon entry and exit of the piston rod 84 belonging to the adjustment cylinder 80, the support arm 60 can be pivoted and thus the effective diameter of the two puller discs. 62 and 64 are amended accordingly.
Dobbeltskiven består, som tidligere angivet, af de to trækmid-, _ delskiver 62 og 64 (fig. 3). Trækmiddelskiven 62 har en ydre skivehalvdel 86, som via skruebolte 88 er drejefast forbundet med et nav 90. Navet 90 er lejret på akslen 70 ved hjælp af højre og venstre rullelejer 92. Den venstre trækmiddelskive 62 har endvidere en midterste skivehalvdel 94, som via en kile-2Q fortanding 97 er drejefaset forbundet med navet 90, dog således, at den er aksialt forskydelig på navet. Til den midterste skivehalvdel 94 slutter sig en anden midterste skivehalvdel 96, som er en del af trækmiddelskiven 64. Den anden midterste skivehalvdel 96 er ved hjælp af en bøsning 98 lejret på et nav „ 100, som er fast forbundet med den første skivehalvdel 94. På c 5 denne måde kan den anden skivehalvdel 96 dreje sig i forhold til den første skivehalvdel 94 samt forskyde sig i aksialret-ningen. Aksialforskydningen af den anden skivehalvdel 96 imod venstre bliver begrænset af en indvendigt liggende endeflade 102 på den første skivehalvdel 94 og aksialforskydningen imodThe double disc, as previously stated, consists of the two draw center, partial discs 62 and 64 (Fig. 3). The puller disc 62 has an outer disc half 86, which via screw bolts 88 is pivotally connected to a hub 90. The hub 90 is mounted on the shaft 70 by means of right and left roller bearings 92. The left pull disc 62 also has a central disc half 94 which, via a The wedge-2Q tooth 97 is rotatably connected to the hub 90, however, so that it is axially displaceable on the hub. Attached to the middle disc half 94 is a second central disc half 96 which is part of the puller disc 64. The second middle disc half 96 is supported by a sleeve 98 on a hub "100 which is firmly connected to the first disc half 94. In this way, the second disc half 96 can rotate with respect to the first disc half 94 as well as shift in the axial direction. The axial displacement of the second disc half 96 towards the left is limited by an inner end face 102 of the first disc half 94 and the axial displacement against the
v Uv U
højre begrænset ved hjælp af en sikringsring 104, som er anbragt ved den ydre ende af navet 100. Endefladen 102 af den venstre skivehalvdel 94 har en meget lille afstand til endefladen 106 af den højre skivehalvdel 96. Den højre trækmiddel- skive 64 bliver fuldstændiggjort af den udvendigt liggende 3 5 fjerde skivehalvdel 108, som ved hjælp af skruebolte 112 er drejefast forbundet med navet 90. For at der kan fremstilles en drivforbindelse mellem den venstre trækmiddelskive 62 og 7right limited by a securing ring 104 located at the outer end of the hub 100. The end face 102 of the left disc half 94 has a very small distance to the end face 106 of the right disc half 96. The right pull disc 64 is completed by the outer fourth fourth disc half 108 which is pivotally connected to the hub 90 by means of screws 112. In order to make a drive connection between the left puller disc 62 and 7
DK 161162 BDK 161162 B
den højre trækmiddelskive 64, er de to midterste skivehalvdele 94 og 96 ved hjælp af talrige medbri ngere 1ementer 110 drivmæssigt forbundne med hinanden. Medbringerelementet 110 består ifølge fig. 4 og 8 af et cirkelbuesegment, som med yderligere 5 medbringerelementer 110 danner en cirkelbue, der er anbragt koaksialt med akslen 70. De enkelte medbringerelementer 110 er ved hjælp af skruebolte 112 løsbart forbundne med endefladen 102 af den ene skivehalvdel 94 og endefladen 106 af den anden skivehalvdel 96. Medbringerelementerne 110 (se fig. 6 og 7) 10 har skråt forløbende medbringerf1 ader 114, som med endefladen 102 af skivehalvdelen 94 henholdsvis endefladen 106 på skivehalvdelen 96 danner en vinkel a, som fortrinsvis er 40°. Det er dog også muligt, at vinklen α kan have en størrelse på mellem 35° og 45°.the right draw means disk 64, the two middle disk halves 94 and 96 are operatively connected to each other by means of numerous carrier elements 110. The carrier element 110 consists of FIG. 4 and 8 of a circular arc segment which, with a further 5 carrier elements 110, forms a circular arc coaxially arranged with the shaft 70. The individual carrier elements 110 are releasably connected to the end face 102 of one disc half 94 and the end face 106 of the one by means of screws 112. second disk half 96. The carrier elements 110 (see Figs. 6 and 7) 10 have inclined extending carrier faces 114 which, with the end face 102 of the disc half 94 and the end face 106 of the disc half 96 respectively, form an angle α which is preferably 40 °. However, it is also possible that the angle α may be between 35 ° and 45 °.
1515
Under drift bliver akslen 20 og dermed kørehjulene 14 drevet ved hjælp af forbrændingsmotoren 50 via trækmiddeldrevet 59.In operation, the shaft 20 and thus the drive wheels 14 are driven by the internal combustion engine 50 via the pusher drive 59.
Den til fremdriften nødvendige trækmiddelspænding i de to trækmidler 68 og 69 kan indstilles ved forskydning af dobbelt-2Q skiven 66 på bærearmen 60. Herved kan drivmomentet fra den ene trækmiddelskive 62 ved normalt arbejdsbrug via dobbeltskiven 66 uden videre overføres til den anden trækmiddelskive 64. Optræder der f.eks. ved bjergkørsel med mejetærskeren 10 drejningsmomentspidser og begynder en rem at skride, bliver de to 2g skivehalvdele 94 og 96 og dermed de tilsvarende medbringerele-menter 110 gensidigt forskudt. Derved glider det nedre medbr ingerelement 110 i fig. 7 langs med det øvre medbringerele-ment 110, så at de to medbringerelementer ved en ringe drejning omkring akslen 70 forskyder sig i aksialretningen langs 30 pilen 116. Herved bliver skivehalvdelene 94 og 96 bevæget i retning mod de udvendigt liggende sidekanter af trækmidlerne 68 og 69 og følgelig bliver tilpresningstrykket mellem sidekanterne af trækmidlerne og de indvendige overflader af skivehalvdelene 94 og 96 forøget. Ved hjælp af det højere tilpres-3g ningstryk kan også uden videre overføres et større optrædende drejningsmoment. Ved aftagende drejningsmoment kan de to skivehalvdele 94 og 96 igen bevæge sig henimod hinanden, så at friktionstrykket svarende til det aftagende drejningsmomentThe propellant tension required for propulsion in the two tensioning means 68 and 69 can be set by displacing the double 2Q pulley 66 on the support arm 60. Thus, the driving torque from one tensioning pulley 62 during normal operation via the double pulley 66 can be readily transferred to the other pulverizing pulley 64. that e.g. upon mounting with the combine 10 torque peaks and a belt starts to slip, the two 2g disc halves 94 and 96 and thus the corresponding carrier elements 110 are mutually displaced. Thereby, the lower carrier element 110 of FIG. 7 along the upper carrier member 110 so that, in a slight rotation about the shaft 70, the two carrier elements shift in the axial direction along the arrow 116. Hereby, the disc halves 94 and 96 are moved towards the outer lateral edges of the pulling means 68 and 69. and consequently, the pressing pressure between the side edges of the drawing means and the inner surfaces of the disc halves 94 and 96 is increased. By means of the higher compression pressure, a larger torque can also be transmitted easily. At decreasing torque, the two disc halves 94 and 96 can again move towards each other so that the frictional pressure corresponding to the decreasing torque
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19850114827 EP0223870B1 (en) | 1985-11-22 | 1985-11-22 | Continuously variable belt drive |
| EP85114827 | 1985-11-22 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| DK555886D0 DK555886D0 (en) | 1986-11-20 |
| DK555886A DK555886A (en) | 1987-05-23 |
| DK161162B true DK161162B (en) | 1991-06-03 |
| DK161162C DK161162C (en) | 1991-11-25 |
Family
ID=8193898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK555886A DK161162C (en) | 1985-11-22 | 1986-11-20 | STEPLESS ADJUSTABLE TENSION DRIVE |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0223870B1 (en) |
| DE (1) | DE3573298D1 (en) |
| DK (1) | DK161162C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2780128B1 (en) * | 1998-06-19 | 2001-02-02 | France Reducteurs Sa | RELAY PULLEY FOR ENDLESS TRANSMISSION OF POWER AT VARIABLE SPEED |
| FR2793296B1 (en) * | 1999-05-05 | 2001-06-29 | France Reducteurs Sa | RELAY PULLEY AND ITS ENDLESS TRANSMISSION |
| DE19960656A1 (en) * | 1999-12-15 | 2002-04-04 | Michael Butsch | Continuously variable automatic transmission |
| US6705961B2 (en) | 2000-07-14 | 2004-03-16 | Tecumseh Products Company | Variable speed transmission and electronic speed control therefor |
| DE102015121209A1 (en) | 2015-09-28 | 2017-03-30 | Claas Selbstfahrende Erntemaschinen Gmbh | Agricultural working machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE518151C (en) * | 1928-11-15 | 1931-02-13 | Aeg | Device for the automatic pressing of the frictionally engaged parts in friction wheel gears |
| US2563896A (en) * | 1948-03-30 | 1951-08-14 | Wildhaber Ernest | Adjustable friction drive |
| US2672761A (en) * | 1952-05-13 | 1954-03-23 | American Viscose Corp | Automatic variable torque-speed interchanger |
| US3295384A (en) * | 1964-12-23 | 1967-01-03 | Deere & Co | Variable speed belt drive for a vehicle |
| NL6900003A (en) * | 1969-01-02 | 1970-07-06 | ||
| US3881370A (en) * | 1973-06-29 | 1975-05-06 | Deere & Co | Variable speed belt drive for an agricultural machine |
-
1985
- 1985-11-22 EP EP19850114827 patent/EP0223870B1/en not_active Expired
- 1985-11-22 DE DE8585114827T patent/DE3573298D1/en not_active Expired
-
1986
- 1986-11-20 DK DK555886A patent/DK161162C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK161162C (en) | 1991-11-25 |
| DK555886D0 (en) | 1986-11-20 |
| DE3573298D1 (en) | 1989-11-02 |
| DK555886A (en) | 1987-05-23 |
| EP0223870A1 (en) | 1987-06-03 |
| EP0223870B1 (en) | 1989-09-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4738651A (en) | Steplessly adjustable belt-type transmission | |
| US7465244B2 (en) | Utility machinery and associated control arrangements | |
| US8226508B2 (en) | Transmissions, drive systems and methods for using same | |
| EP1132656A3 (en) | V-belt-type automatic transmission for vehicle | |
| US3881370A (en) | Variable speed belt drive for an agricultural machine | |
| WO1994020693A2 (en) | Drive mechanism for a vibratory compactor | |
| US4322934A (en) | Lawn mower | |
| DK161162B (en) | STEPLESS ADJUSTABLE TENSION DRIVE | |
| US4223757A (en) | Forward and reverse power control apparatus | |
| US3006207A (en) | Baler drive mechanism | |
| FR2458207A1 (en) | Cutting mechanism for motor mowers - has two cutting wheels each consisting of bottom support disc and top cutting disc | |
| US4941863A (en) | Stepless speed change mechanism in belt transmission device | |
| FR2658892A1 (en) | Driven pulley of a variable speed transmission | |
| FI76910C (en) | REMTRANSMISSION FOER MOTORDRIVEN GRAESKLIPPARE. | |
| US20060276282A1 (en) | Utility machinery and associated control arrangements | |
| JPS59170555A (en) | Power transmission device of agricultural machinery | |
| SU1698553A1 (en) | Infinitely-variable v-belt transmission | |
| JPS61252956A (en) | Transmission and endless chain thereof-belt combination and stretching device | |
| KR19980085257A (en) | Driving motors in such mobile agricultural machines | |
| JPS6029861Y2 (en) | Gearbox for binding machine in combine harvester | |
| JPS6126679Y2 (en) | ||
| GB1285021A (en) | Improvements in and relating to grass mowing machines | |
| JP2540885B2 (en) | Power transmission device such as combine | |
| FR2527294A3 (en) | Variable gear mechanism for motorcycle - comprises two automatically variable belt-driven pulleys positioned between motor and driven wheel | |
| JP2004098821A (en) | Work vehicles and work vehicle transmissions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |