WO1999032378A1 - Ensemble de bande sans fin - Google Patents

Ensemble de bande sans fin Download PDF

Info

Publication number
WO1999032378A1
WO1999032378A1 PCT/AU1998/001067 AU9801067W WO9932378A1 WO 1999032378 A1 WO1999032378 A1 WO 1999032378A1 AU 9801067 W AU9801067 W AU 9801067W WO 9932378 A1 WO9932378 A1 WO 9932378A1
Authority
WO
WIPO (PCT)
Prior art keywords
end roller
support
belt assembly
endless belt
roller
Prior art date
Application number
PCT/AU1998/001067
Other languages
English (en)
Inventor
Laurence Colin Phillips
Original Assignee
Precision Metal Fabricating Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Precision Metal Fabricating Ltd. filed Critical Precision Metal Fabricating Ltd.
Priority to AU16531/99A priority Critical patent/AU1653199A/en
Publication of WO1999032378A1 publication Critical patent/WO1999032378A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D89/00—Pick-ups for loaders, chaff-cutters, balers, field-threshers, or the like, i.e. attachments for picking-up hay or the like field crops
    • A01D89/001—Pick-up systems
    • A01D89/003—Endless belts

Definitions

  • Tne present invention relates to an endless belt assembly
  • the endless belt assembly according to the invention has been designed particularly, although not solely, for use on an agricultural machine fitted with a 'pick-up" section utilising an endless belt carrying fingers for collecting crop material such as canola which has been previously cut and is lying on the ground
  • the endless belt carrying the fingers is supported between end rollers, one of which is typically driven and the other of which typically freely rotates
  • the freely rotating roller is formed in independent sections with each section being rotatably supported on a frame structure of the machine
  • the driven roller cannot be formed in independent sections and so can only be supported at each end The absence of any support between the ends can lead to undesirable deflection of the drive roller and can also make tensioning of the endless belt which passes around the two rollers somewhat difficult
  • the present invention provides an endless belt assembly comprising two spaced apart end rollers, an endless belt structure extending around the end rollers, one end roller being supported at or adjacent the ends thereof and at a location intermediate said ends, the support intermediate of said ends being provided by a support cradle having a support structure movable with the end roller the support cradle being accommodated within the region within the confines of the endless belt structure
  • the support cradle is accommodated within the confines of the endless belt structure (i e in the region between the two runs of the endless belt structure) it does not interfere with the endless belt structure
  • the support cradle preferably comprises at least two rollers, each mounted for rotation about an axis parallel to the axis of rotation of said one end roller, the at least two support rollers being positioned in side-by-side relationship to define a bight therebetween in which said one end roller is rotatably supported
  • the support rollers are caused to rotate in unison with said one end roller and so limit the extent of drag to which that end roller is subjected by the support structure
  • the endless belt assembly may further comprise adjustment means for selectively varying the spacing between the two end rollers, thereby providing adjustment of the tension of the endless belt structure which passes around the two end rollers
  • the adjustment means may include a control means for selectively moving the support cradle in a direction parallel to the longitudinal extent of the endless belt structure whereby said cradle can be caused to bear against said one end roller to cause it to move laterally to tension the endless belt structure
  • the adjustment means may further include adjustment mechanisms at each end of said one roller
  • the control means may comprise a shaft mounted for reciprocal movement towards and away from said end roller and a drive means for reciprocating the shaft
  • the drive means may comprise a lever mechanism which may be operable manually
  • Figure 1 is an assembly perspective view of the pick-up section of an agricultural machine according to the embodiment fitted with an endless belt assembly
  • Figure 2 is a cross-sectional view of the pick-up section
  • Figure 3 is a schematic perspective view of the "pick-up" section
  • Figure 4 is a plan view of the "pick-up" section
  • Figure 5 is a detailed view of the support cradle, end roller and belt of the pick-up section
  • Figure 6 is a cross-section along the line 6-6 of Figure 4
  • Figure 7 is a partial end view of the pick-up section
  • Figure 8 is a perspective view of a support cradle and associated control means forming part of the "pick-up" section
  • Figure 9 is a plan view of a support cradle and associated control means as shown in Figure 8, and
  • Figure 10 is an end view of the support cradle and associated control means
  • the embodiment shown in the drawings is directed to a "pick-up" section 10 of an agricultural machine used for harvesting grain such as canola
  • the "pick-up" section 10 can be fitted onto a conventional harvester (not shown)
  • the "pick-up" section 10 comprises a frame structure 13 which supports a leading endless belt assembly 15 and a trailing endless belt assembly (not shown)
  • the leading endless belt assembly 15 comprises an endless belt 19 which passes around a front end roller 21 and a rear end roller 23
  • the endless belt 19 carries a plurality of harvesting fingers 25, the endless belt 19 and harvesting fingers 25 being of known construction
  • the endless belt 19 has an upper run 20 and a lower run 22
  • the upper run 20 travels across a support deck 24 which supports the upper run against downward deflection
  • the endless belt 19 presents the harvesting fingers 25 to the crop being harvested as the harvester advances over the ground
  • the harvesting fingers 25 serve to lift crop material (which has been previously cut and which is lying on the ground as swath).
  • the crop material so lifted is carried rearwardly by the front endless belt 19 and delivered to the rear endless belt structure (not shown) which then transports the crop material rearwardly for further handling and processing.
  • the endless belt 19 is formed as a plurality of belt sections 27 positioned in side- by-side relationship. In Figure 3 of the drawings, only four of such belt sections 27 are shown, the remainder of the belt sections being removed so as to reveal the end rollers 21 , 23, the support deck 24 and other componentry.
  • the front roller 21 has a plurality of guide flanges 31 spaced along the length thereof, the spacing between the guide flanges corresponding to the width of each belt section 27, whereby one belt section runs between two adjacent guide flanges, as best seen in Figure 3 of the drawings.
  • the front roller 21 is formed as two roller section 33, 35 positioned in end-to-end relationship.
  • the adjacent ends of the front roller sections 33, 35 are supported on a support bracket 37 carrying an appropriate bearing assembly (not shown).
  • the outer end of each roller section 33, 35 is supported on a bearing assembly 39 supported on the frame structure 13.
  • the rear end roller 23 is adjustably mounted on the frame structure 13 for movement towards and away from the front end roller 21 to permit adjustment of the tension of the endless belt structure 15.
  • the rear end roller 23 has a central drive shaft 43 which is rotatably supported at its ends in bearing assemblies supported in housings 41 adjustably mounted on the frame structure 13.
  • a primary adjustment mechanism is associated with each end of the rear end roller 23 to facilitate adjustment of the lateral position of the roller.
  • the adjustable mounting of the housings 41 on the frame structure permits the rear end roller 23 to be selectively shifted laterally to adjust the tension of the endless belt 19.
  • a locking mechanism (not shown) is provided to releasably lock the housings 41 against such movement. The locking mechanism is in use released to allow the rear end roller 23 to be shifted laterally as necessary and then locked to restrain the rear end roller against further lateral movement
  • the rear end roller 23 is driven by a drive system (not shown) which imparts drive to the shaft 43
  • the rear end roller 23 is also supported at a central location intermediate its ends by a support structure 51 which is accommodated within the endless belt structure between the upper and lower runs 20, 22 thereof
  • the support structure 51 includes a support cradle 53 which is mounted on a support shaft 55
  • the support cradle 53 comprises a frame 56 having a pair of end plates 57 between which two support rollers 59 are mounted for rotation about respective axes parallel to the axis of rotation of the rear end roller
  • the support rollers 59 are positioned in spaced apart side-by-side relationship to provide a bight 61 in which the rear end roller 23 is accommodated
  • the cylindrical surfaces 63 of the support rollers 59 bear against the cylindrical surface 65 of the rear end roller 23 In this way, the two support rollers 59 rotate in unison with the rear end roller 23
  • the support cradle 53 bears on the rear end roller 23 in a direction which corresponds to movement of the rear end roller 23 away from the front end roller 21 This allows the support cradle 53 to provide support to the rear end roller 23 so as to counteract any tendency for the rear end roller to deflect inwardly (towards the front end roller) as a result of forces applied to it through the endless belt 19 when the latter is under tension
  • the cradle frame 56 is pivotally mounted on the support shaft 55 by pivot pin 67 which is engagable in hole 69 provided in a mounting bracket 71 on the cradle frame
  • the shaft 55 is supported for reciprocal movement in a bracket 75 which supports and guides the shaft 55
  • the bracket 75 has a pair of spaced end plates 77 each having an aperture 79 through which the shaft 55 extends in a sliding fit
  • the shaft 55 is biased to a retracted position, as shown in dotted outline in Figure 10 in which the support cradle 53 moves away from the rear end roller 23
  • a biasing means 81 is provided for such purpose and includes a compression spring 83 one end of which acts on one of the end plates 77 and the other end of which acts on a collar 85 rigidly fixed to the shaft
  • a lever mechanism 87 is provided for moving the shaft 55 axially within the support bracket 75
  • the lever mechanism 87 is pivotally connected to the end of the shaft 55 remote from the support cradle 53 and is operated by a control rod 89
  • the control rod 89 incorporates a threaded section 100 on which there is an adjustment nut 102 which can be rotated in one direction or the other to cause axial movement of the control rod, as necessary
  • Axial movement of the control rod 89 in one direction causes the shaft 55 to undergo sliding movement in a first direction in which it carries the support cradle 53 towards the rear end roller 23, and axial movement of the control rod 89 in the reverse direction causes the shaft 55 to move in the opposite direction to carry the support cradle 53 away from the rear end roller
  • Axial movement of the control rod 89 is limited to one plane of movement by bracket 104
  • the control rod 89 is positioned so as not to interfere with the endless belt structure 15
  • the support cradle 53 provides support for the rear end roller 23 against lateral deflection in the direction towards the front end roller 21 as a result of forces imposed by the endless belt 19 when under tension Secondly, it allows the position of the support cradle 53 to be selectively varied to accommodate any change in the lateral position in the rear end roller which may arise through adjustment in the tension of the endless belt 19 Thirdly, it provides a convenient mechanism which may assist the primary adjustment mechanisms in moving the rear end roller laterally so as to adjust the tension of the endless belt 19 In this regard, the rear end roller 23 can be shifted laterally in a direction away from the front end roller 21 by operating the control rod 89 to cause the shaft 55 to move in a direction which carries the cradle 53 towards the rear end roller therefore urging it away from the front end roller and thus tensioning the endless belt
  • the locking mechanisms at the ends of the rear end roller 23 of course need to be released to allow such lateral movement of the rear end roller Such mechanisms also need to be locked once the rear end roller has been shifted
  • the present invention provides a simple yet highly effective arrangement for providing support for a roller intermediate the ends thereof and also for applying a lateral force to the roller to effect adjustment of its position

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

La présente invention concerne un ensemble (15) de bande sans fin comportant deux rouleaux (21, 23) d'extrémité écartés et une structure (19) de bande sans fin qui s'étend autour des rouleaux (21, 23) d'extrémité. L'un (23) des deux rouleaux d'extrémité est maintenu au niveau ou à proximité des extrémités et en un emplacement intermédiaire entre lesdites extrémités. Le support intermédiaire (51) entre lesdites extrémités est formé par un berceau support (53) présentant une structure de support mobile avec le rouleau d'extrémité. Le berceau support (53) est disposé à l'intérieur des limites de la structure (19) de bande sans fin.
PCT/AU1998/001067 1997-12-22 1998-12-22 Ensemble de bande sans fin WO1999032378A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU16531/99A AU1653199A (en) 1997-12-22 1998-12-22 Endless belt assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPP1071 1997-12-22
AUPP1071A AUPP107197A0 (en) 1997-12-22 1997-12-22 Endless belt assembly

Publications (1)

Publication Number Publication Date
WO1999032378A1 true WO1999032378A1 (fr) 1999-07-01

Family

ID=3805353

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1998/001067 WO1999032378A1 (fr) 1997-12-22 1998-12-22 Ensemble de bande sans fin

Country Status (2)

Country Link
AU (1) AUPP107197A0 (fr)
WO (1) WO1999032378A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011036188A1 (fr) * 2009-09-22 2011-03-31 Cnh Belgium N.V. Dispositif de rassemblement de récolte pour moissonneuse
EP2901839A1 (fr) * 2014-01-31 2015-08-05 Deere & Company Machine d'ensemencement
EP2957164A1 (fr) * 2014-06-18 2015-12-23 Deere & Company Assemblage de convoyeur-élévateur pour une moissonneuse-batteuse
EP3153007A1 (fr) * 2015-10-06 2017-04-12 Deere & Company Système et procédé pour vider un boîtier d'alimentation et une courroie ramasseuse
CN111824697A (zh) * 2019-04-17 2020-10-27 梅特勒-托利多安全线有限公司 用于带式输送机系统的张紧组件和相应的带式输送机系统

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362005A (en) * 1981-07-16 1982-12-07 Allis-Chalmers Corporation Tensioning mechanism for feeder conveyor positioned within feeder housing
US4492074A (en) * 1983-07-22 1985-01-08 Sund Lloyd P Pickup roller spreader
EP0416201A1 (fr) * 1989-09-08 1991-03-13 Geppert, Helmut, Dipl.-Ing. Dispositif protecteur pour espaces de rentrage sur des transporteurs de bande

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4362005A (en) * 1981-07-16 1982-12-07 Allis-Chalmers Corporation Tensioning mechanism for feeder conveyor positioned within feeder housing
US4492074A (en) * 1983-07-22 1985-01-08 Sund Lloyd P Pickup roller spreader
EP0416201A1 (fr) * 1989-09-08 1991-03-13 Geppert, Helmut, Dipl.-Ing. Dispositif protecteur pour espaces de rentrage sur des transporteurs de bande

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DERWENT ABSTRACT, Accession No. H1781E/24, Class P12; & SU 858642 A ÚHARVEST AGR MACH (NCAU=)¾ 30 August 1981. *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011036188A1 (fr) * 2009-09-22 2011-03-31 Cnh Belgium N.V. Dispositif de rassemblement de récolte pour moissonneuse
EP2901839A1 (fr) * 2014-01-31 2015-08-05 Deere & Company Machine d'ensemencement
EP2957164A1 (fr) * 2014-06-18 2015-12-23 Deere & Company Assemblage de convoyeur-élévateur pour une moissonneuse-batteuse
EP3153007A1 (fr) * 2015-10-06 2017-04-12 Deere & Company Système et procédé pour vider un boîtier d'alimentation et une courroie ramasseuse
US10028437B2 (en) 2015-10-06 2018-07-24 Deere & Company System for clearing a feeder house and belt pickup
CN111824697A (zh) * 2019-04-17 2020-10-27 梅特勒-托利多安全线有限公司 用于带式输送机系统的张紧组件和相应的带式输送机系统

Also Published As

Publication number Publication date
AUPP107197A0 (en) 1998-01-22

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