WO1998016419A1 - Ensemble roues a partage de la charge pour vehicule a chenilles - Google Patents

Ensemble roues a partage de la charge pour vehicule a chenilles Download PDF

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Publication number
WO1998016419A1
WO1998016419A1 PCT/AU1997/000686 AU9700686W WO9816419A1 WO 1998016419 A1 WO1998016419 A1 WO 1998016419A1 AU 9700686 W AU9700686 W AU 9700686W WO 9816419 A1 WO9816419 A1 WO 9816419A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
track
load sharing
wheel assembly
load
Prior art date
Application number
PCT/AU1997/000686
Other languages
English (en)
Inventor
James Arthur Nagorcka
Original Assignee
Warane Pty. Ltd. Trading As Waltanna Tractors
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 Warane Pty. Ltd. Trading As Waltanna Tractors filed Critical Warane Pty. Ltd. Trading As Waltanna Tractors
Priority to AU45436/97A priority Critical patent/AU4543697A/en
Priority to GB9908453A priority patent/GB2333273A/en
Priority to DE19782050T priority patent/DE19782050T1/de
Publication of WO1998016419A1 publication Critical patent/WO1998016419A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/08—Endless track units; Parts thereof
    • B62D55/14—Arrangement, location, or adaptation of rollers

Definitions

  • This invention relates generally to track laying vehicles and more particularly to a load sharing wheel assembly for use in such vehicles.
  • Track laying vehicles to which the invention can apply may comprise a vehicle body having a longitudinal axis extending between forward and rearward ends thereof and a pair of track assemblies disposed on opposite sides of the vehicle body.
  • Each track assembly may comprise first and second wheels which are spaced apart in the direction of the longitudinal axis with at least one of the wheels defining a drive wheel.
  • the assembly may further include a track which may for example be formed of elastomeric material the track being entrained around the first and second wheels and having a ground engaging surface, and an opposite wheel engaging surface with a plurality of power transmitting elements or drive lugs projecting from the wheel engaging surface.
  • the vehicle may further include a plurality of load sharing wheels between the drive wheel and the idler wheel.
  • the load sharing wheels currently in use comprise a series of wheel sets disposed in spaced apart relation between the first and second wheels. Each wheel set comprises a pair of spaced apart wheels the space between the wheels forming a passage through which the drive lugs on the track pass.
  • the load sharing wheels are operatively connected to the vehicle frame and provide for a load supporting function as well as track belt guiding function.
  • Currently known load sharing wheels have horizontal axes of rotation and as such frictionally bear on the sides of the lugs as a result of a sliding action between the side of the wheel and the lug as the lugs pass between the wheels of each set. If high side loads are applied to the vehicle such as if the vehicle is on a sloping surface the relative sliding movement can cause very high wear on both the wheel and the lug of the track.
  • a load sharing wheel assembly which is suitable for use with a track for a track laying vehicle, the wheel assembly including at least one wheel set, the wheel set including two wheels which are spaced apart from one another so as to form a passage therebetween, each wheel having a rim section and being rotatable about an axis of rotation.
  • the rim section includes a primary load bearing portion and primary guide portion, the surface of each portion being generally disposed in respective planes which are inclined to one another and the rotation axis of each wheel being inclined to the planes of said portions.
  • the load sharing wheel assembly of the present invention is suitable for use with a track assembly which includes a track with a base part having a ground engaging surface and a wheel engaging surface and a series of drive lugs spaced apart from one another along the length of the track and projecting from the wheel engaging surface.
  • the drive lugs may have lateral sides with wheel bearing surfaces thereon.
  • the arrangement is such that when the belt moves past the load sharing wheel assembly there is a component of rolling movement between the guide portion of each wheel and the wheel bearing surfaces of the drive lugs as well as between the load bearing portion of each wheel and the wheel engaging surface of the track.
  • each wheel is generally vee-shaped in cross-section one face defining the primary load bearing portion and the other face defining the primary guide portion.
  • the rotation plane of each wheel is inclined with respect to the plane of the wheel engaging surface of the track so that the apex of the vee-shape is disposed adjacent the junction of the track wheel engaging surface and lug wheel bearing surface.
  • an axle assembly including a body portion operatively connected to the vehicle body and a pair of stub axles each being adapted to receive one of said wheels thereon, the stub axles being inclined downwardly and outwardly with respect to one another and with respect to the normal orientation of the vehicle.
  • the axle assembly includes an intermediate or central section operatively connected to the vehicle body which the stub axle sections extending away from the intermediate section, the longitudinal axes of the stub axles being inclined to the longitudinal axis of the intermediate section. It will be appreciated that the stub axles could be independent parts.
  • rim section of each wheel includes an elastomer ic covering thereon.
  • the elastomeric material can be of any suitable form.
  • each wheel is inclined at an angle which bi-sects the angle between the guide plane and the load bearing plane.
  • the assembly includes a plurality of wheel sets at least one of said wheel sets being in the form of wheel set according to the invention as described above.
  • Figure 1 is a side elevation of a typical track laying vehicle
  • Figure 2 is a plan view taken along line A-A of Figure 1 ;
  • Figure 3 is a schematic view showing a load sharing wheel set according to the present invention.
  • FIG. 1 illustrates a track laying vehicle 1 of the type to which the load sharing wheel set of the invention is applicable.
  • the vehicle 1 includes a chassis and frame 3 with a longitudinal axis 33, an operators cabin 4 and an engine 2.
  • a drawbar 17 Connected to frame 3 is a drawbar 17 which is used to attach draft loads.
  • the vehicle is propelled by an elastomeric track 9 along each longitudinal side of chassis 3 which is entrained around a drive wheel 5, an idler wheel 32 and load sharing track wheels 19, 20.
  • Ground engagement of the track 9 is made by ribs 10 being part of track 9.
  • each track 9 has direct or positive drive engagement with the drive wheel 5 by means of engagement between the cross members 7 of the drive wheel
  • the track 9 and drive lugs 11 maintain lateral registry with the load sharing wheels
  • FIG. 3 there is shown a load sharing wheel set according to a preferred embodiment and generally indicated at 100.
  • the wheel set 100 is shown in use with a track 150 which includes a base part 151 with a ribbed ground engaging surface 153 and a wheel engaging surface 155.
  • the track further includes a series a drive lugs 156 which are generally centrally disposed and project from wheel engaging surface 155.
  • the drive lugs 156 include lateral sides 157 and 158 having wheel bearing surfaces 160 and 161 which are disposed in guide planes X-X.
  • the upper wheel engaging surface 155 is disposed in load bearing plane Y-Y.
  • the wheel set 100 includes a pair of spaced apart load sharing wheels 101 and 102 which operatively mounted on axle assembly 105 includes a central section 106 operatively connected to the vehicle track frame 110 and two stub axles 107 and 108 extending from the central section at an inclined angle relative thereto each stub axle having one of the wheels 101 and 102 mounted thereon for rotation about rotation axes Z-Z.
  • the load sharing wheels 101 and 102 include a rim section 112, the rim section including a load bearing portion 113 and a guide portion 114. Each wheel 101 and 102 may further include a covering 115 of elastomeric material on the rim section 112. There may further be provided a suitable bearing assembly 116 (only one is shown).
  • the axes of rotation Z-Z of the wheels 101 and 102 are inclined relative to one another and inclined to the longitudinal axis C-C of the central section 106 of the axle assembly 105 so that the load bearing portion 113 is in contact with the wheel engaging surface 155 of track 150 and the guide portion 114 will contact the lateral sides 157 and 158 of the drive lug 156 when it passes between the wheels 101 and 102.
  • the diametric axis D-D which is at right angles to axis of rotation of each wheel bi-sects the angle P between the guide plane X-X and the load bearing plane Y-Y.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Platform Screen Doors And Railroad Systems (AREA)

Abstract

Cet ensemble roues à partage de la charge, qui est conçu pour être utilisé avec un véhicule à chenilles, comprend au moins un jeu de roues (100), lequel est composé de deux roues (101, 102) qui sont espacées l'une de l'autre afin de former un passage entre elles. Chaque roue (101, 102) possède une section jante (112) et elle est conçue rotative autour d'un axe de rotation (z, z). La section jante (112) comporte une partie porte-charge primaire (113) et une partie guide primaire (114), la surface de chacune de ces parties (113, 114) étant généralement disposée dans des plans correspondants qui sont inclinés l'un par rapport à l'autre et l'axe de rotation (z, z) de chaque roue (101, 102) étant incliné par rapport aux plans de ces parties (113, 114).
PCT/AU1997/000686 1996-10-16 1997-10-14 Ensemble roues a partage de la charge pour vehicule a chenilles WO1998016419A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU45436/97A AU4543697A (en) 1996-10-16 1997-10-14 Load sharing wheel assembly for track laying vehicle
GB9908453A GB2333273A (en) 1996-10-16 1997-10-14 Load sharing wheel assembly for track laying vehicle
DE19782050T DE19782050T1 (de) 1996-10-16 1997-10-14 Belastungsteilungsradbaugruppe für Gleiskettenfahrzeug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPO3020A AUPO302096A0 (en) 1996-10-16 1996-10-16 Load sharing wheel assembly for track laying vehicle
AUPO3020 1996-10-16

Publications (1)

Publication Number Publication Date
WO1998016419A1 true WO1998016419A1 (fr) 1998-04-23

Family

ID=3797329

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1997/000686 WO1998016419A1 (fr) 1996-10-16 1997-10-14 Ensemble roues a partage de la charge pour vehicule a chenilles

Country Status (4)

Country Link
AU (1) AUPO302096A0 (fr)
DE (1) DE19782050T1 (fr)
GB (1) GB2333273A (fr)
WO (1) WO1998016419A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1055591A1 (fr) * 1999-05-28 2000-11-29 Otico Dispositif d'entraínement à chenille souple pour véhicule tout terrain
WO2016131140A1 (fr) * 2015-02-18 2016-08-25 Camso Inc. Système à chenille pour la traction d'un véhicule

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR523157A (fr) * 1920-08-28 1921-08-13 Adolphe Kegresse Mécanismes pour l'utilisation pratique des chenilles souples
DE510983C (de) * 1930-10-29 Adolf Bleichert & Co Akt Ges Stuetzrollenanordnung fuer Gleiskettenfahrwerke
DE4230389A1 (de) * 1991-10-08 1993-04-15 Werner Dr Ing Hoefflinger Raupenlaufwerk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE510983C (de) * 1930-10-29 Adolf Bleichert & Co Akt Ges Stuetzrollenanordnung fuer Gleiskettenfahrwerke
FR523157A (fr) * 1920-08-28 1921-08-13 Adolphe Kegresse Mécanismes pour l'utilisation pratique des chenilles souples
DE4230389A1 (de) * 1991-10-08 1993-04-15 Werner Dr Ing Hoefflinger Raupenlaufwerk

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1055591A1 (fr) * 1999-05-28 2000-11-29 Otico Dispositif d'entraínement à chenille souple pour véhicule tout terrain
FR2794095A1 (fr) * 1999-05-28 2000-12-01 Otico Dispositif d'entrainement a chenille souple pour vehicule tout terrain
US6364437B1 (en) 1999-05-28 2002-04-02 Otico Flexible track drive device for all-terrain vehicle
WO2016131140A1 (fr) * 2015-02-18 2016-08-25 Camso Inc. Système à chenille pour la traction d'un véhicule
US10647367B2 (en) 2015-02-18 2020-05-12 Camso Inc. Track system for traction of a vehicle
US11572112B2 (en) 2015-02-18 2023-02-07 Camso Inc. Track system for traction of a vehicle

Also Published As

Publication number Publication date
AUPO302096A0 (en) 1996-11-07
GB9908453D0 (en) 1999-06-09
DE19782050T1 (de) 1999-10-14
GB2333273A (en) 1999-07-21

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