WO2017174156A1 - Véhicule de paillage à chenilles - Google Patents

Véhicule de paillage à chenilles Download PDF

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Publication number
WO2017174156A1
WO2017174156A1 PCT/EP2016/057808 EP2016057808W WO2017174156A1 WO 2017174156 A1 WO2017174156 A1 WO 2017174156A1 EP 2016057808 W EP2016057808 W EP 2016057808W WO 2017174156 A1 WO2017174156 A1 WO 2017174156A1
Authority
WO
WIPO (PCT)
Prior art keywords
tracked
track
ground
continuous track
mulching
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2016/057808
Other languages
English (en)
Inventor
Eric STEBEN
Benoît MARLEAU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prinoth GmbH
Original Assignee
AHWI Maschinenbau GmbH
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 AHWI Maschinenbau GmbH filed Critical AHWI Maschinenbau GmbH
Priority to PCT/EP2016/057808 priority Critical patent/WO2017174156A1/fr
Publication of WO2017174156A1 publication Critical patent/WO2017174156A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B62D55/18—Tracks
    • B62D55/24—Tracks of continuously flexible type, e.g. rubber belts
    • B62D55/244—Moulded in one piece, with either smooth surfaces or surfaces having projections, e.g. incorporating reinforcing elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D55/00—Endless track vehicles
    • B62D55/06—Endless track vehicles with tracks without ground wheels
    • 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
    • B62D55/10—Bogies; Frames
    • 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
    • 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
    • B62D55/30—Track-tensioning means

Definitions

  • the invention relates to a tracked mulching vehicle according to the preamble of claim 1 .
  • Tracked mulching vehicles provided for off-road duties are known, hence continuous tracks of these tracked mulching vehicles are typically provided for moving in off-road terrain, e.g. rock, gravel, sand and/or soil, and are made of metal in order to withstand rough terrain.
  • Such tracked mulching vehicles are not suited for paved roads and will cause damage to the roads and/or to the continuous tracks.
  • the objective of the invention is in particular to provide a tracked mulching vehicle with improved characteristics regarding versatility and in particular to enable the tracked mulching vehicle to perform safely on different terrains, in particular off-road as well as on- road, without causing damage to either the roads and/or the continuous tracks.
  • a tracked mulching vehicle which comprises a mulching tool and an undercarriage having a chassis and at least one continuous track unit mounted to the chassis, the continuous track unit comprising at least one continuous track having at least one ground-engaging track element made at least partly of an elastomer.
  • a versatility of the tracked mulching vehicle can be improved. Moreover, damage to paved roads and/or to continuous tracks can be avoided. As a result of this, reliability and operative safety can - -
  • the continuous track can be designed lightweight in order to reduce an overall weight of the tracked mulching vehicle.
  • a “tracked mulching vehicle” is in particular to be understood, in this context, as a tracked vehicle which is specifically provided for processing, in particular for tilling, preferably comminuting, ground and/or vegetation and preferably for grinding and/or harvesting biomass, and which is advantageously provided for safe use on different kinds of terrain, in particular on-road, e.g. on paved roads, as well as off-road, e.g. on rock, gravel, sand and/or soil.
  • "Provided” is, in particular, to mean, specifically programmed, designed and/or equipped.
  • the mulching tool comprises a rotary member, on which tool elements, in particular cutting elements or chains, are arranged.
  • An "undercarriage" is, in particular, to be understood, in this context, as a load bearing unit at the bottom of the tracked mulching vehicle for supporting superstructures of the vehicle, such as a cabin, a drive unit, a housing, a storage container and/or the mulching tool.
  • the chassis comprises in particular at least one frame and preferably at least two frames provided for mounting of the superstructures.
  • the two frames are in particular connected and are preferably arranged offset to each other preferably in a direction at least substantially perpendicular to a lengthwise and/or widthwise direction of the tracked mulching vehicle.
  • the term "at least substantially perpendicular" is, in particular, intended to define, in this context, an orientation of a direction with respect to a reference direction, wherein the direction and the reference direction, in particular if viewed in one plane, enclose an angle of between 80 5 and 100 5 , in particular of between 85 5 and 95 5 , preferably of between 88 5 and 92 5 and particularly advantageously of 90 5 .
  • a "lengthwise direction" of an object is, in particular, to be understood, in this context, as a direction extending parallel to a longest side of an imaginary cuboid, preferably an imaginary rectangular cuboid, which encloses the object only just entirely and advantageously extends through a geometric center of the object.
  • a "widthwise direction" of an object is, in particular, to be understood, in this context, in particular as a direction perpendicular to the lengthwise direction.
  • the continuous track unit comprises in particular the continuous track unit, in particular at least two, preferably precisely two, continuous track units, which are provided to move the tracked mulching vehicle with respect to the ground.
  • the continuous track units are in particular arranged and preferably mounted on two different sides of the chassis. Moreover, in particular viewed in the lengthwise direction of the vehicle, the continuous track units are preferably arranged on opposite sides of the chassis.
  • the continuous track comprises in particular the ground-engaging track element and a ground-averted track element, which preferably form two opposite sides of the continuous track.
  • the ground-engaging track element and the ground-averted track element are connected to each other and are in particular at least partly, preferably at least mostly and especially preferably entirely integrally implemented.
  • first object and a second object being "at least partly integrally implemented” is, in particular, to be understood, in this context, that at least one part of a first object and at least one part of a second object are integrally implemented.
  • "Integrally implemented” is, in particular, to be understood, in this context, as connected at least by substance-to-substance bond, e.g. by a welding process, an adhesive bonding, an injection-molding process and/or by another process that is deemed expedient by a person having ordinary skill in the art.
  • integrally could in particular be understood to mean made of one piece.
  • “Made of one piece” is, in particular, to be understood, in this context, in particular as formed from one single piece, e.g. by production from one single cast and/or by manufacturing in a one-component or multi- component injection-molding process and advantageously from a single blank.
  • the ground-engaging track element may comprise at least one and preferable a plurality of grip elements provided for increasing traction to the ground.
  • at least the grip element can be made of the elastomer, thus preferably the ground-engaging track element is at least partly made of the elastomer.
  • the continuous track, in particular the ground-engaging track element and/or the ground- averted track element are at least partly, preferably at least mostly and especially preferably entirely made of an elastomer, in particular of the same elastomer.
  • the term answeredat least mostly is, in particular, to be understood as more than 50 %, advantageously more than 70 %, and particularly advantageously more than 90 %, in particular in relation to a mass and/or a volume of an object.
  • An "elastomer” is to be understood, in particular, as a viscoelastic and/or preferably a hyperelastic material and especially preferably a vulcanisate such as rubber. . .
  • the continuous track comprises at least one reinforcement element provided for reinforcing the track element.
  • the reinforcement element is in particular provided to reinforce the ground-engaging track element and/or preferably the ground-averted track element preferably in a direction at least substantially perpendicular to the lengthwise direction.
  • the reinforcement element is at least partly arranged on top of and/or above the ground-engaging track element and/or the ground- averted track element of the continuous track.
  • the reinforcement element is at least partly, in particular at least mostly and preferably entirely arranged between the ground-engaging track element and the ground-averted track element.
  • the reinforcement element is at least partly, in particular at least mostly and preferably entirely embedded in the ground-engaging track element and/or the ground-averted track element.
  • the reinforcement element comprises in particular an elongate, preferably a tapered profile.
  • the continuous track may comprise in particular at least one additional reinforcement element.
  • the additional reinforcement element is in particular provided to reinforce the ground-engaging track element and/or preferably the ground-averted track element in a direction at least substantially parallel to the lengthwise direction.
  • At least substantially parallel is, in particular, intended to be understood an orientation of a direction with respect to a reference direction, in particular in one plane, wherein the direction has a deviation from the reference direction in particular of less than 15 5 , advantageously of less than 10 5 and particularly advantageously of less than 2°.
  • the additional reinforcement element is in particular at least substantially fiber-shaped.
  • the reinforcement element, the additional reinforcement element, the ground-engaging track element and/or the ground-averted track element are in particular integrally implemented. . .
  • a width of the reinforcement element and a width of the continuous track are at least substantially equal.
  • the term "at least substantially equal” is to be understood, in this context, in particular as at least 65 %, at least 80 % and at least 95 %. Hence forces interacting with the continuous track perpendicularly to the lengthwise direction can be reduced evenly across the width of the continuous track.
  • a material forming the reinforcement element is at least substantially more rigid than the elastomer.
  • the material forming the reinforcement element is by in particular at least 10 times, preferably at least 50 times, advantageously at least 100 times and further advantageously at least 500 times more rigid than the elastomer; in particular in regard to the elastic modulus of the elastomer.
  • the material implementing the reinforcement element could in particular be another elastomer, which is preferably different from the before-mentioned elastomer.
  • the material implementing the reinforcement element could be another elastomer, for example polypropylene, which has an elastic modulus of 1 .5 GPa to 2 GPa.
  • the stability, flexibility of the continuous track can be further improved and a lightweight construction of the continuous track is facilitated.
  • the reinforcement element is at least partly, in particular mostly and preferably entirely made of metal and/or in particular of a metal alloy.
  • reinforcement element can in particular comprise a metal, preferably of a metal alloy coating.
  • the metal is aluminum, copper, iron and/or titanium and in particular an alloy thereof.
  • the metal is steel.
  • the continuous track comprises at least one guiding element connected to the ground-engaging track element, the guiding element being provided for guiding at least one wheel of the continuous track unit.
  • the guiding element is in particular shaped correspondingly to at least one wheel, preferably a drive wheel of the continuous track unit that in particular has a sprocket, for the purpose of engaging with the wheel.
  • the guiding element is in particular at least partly u-shaped and comprises two preferably tapered guiding walls provided for limiting a movement of the wheel in particular perpendicularly to the direction of the main extension of the tracked . .
  • the guiding element and the reinforcement element, the ground-engaging track element and/or the ground-averted track element can be at least partly, preferably at least mostly and especially preferably entirely integrally implemented.
  • the guiding element could in particular be made of a material that differs from the material of the reinforcement element.
  • the respective materials which the reinforcement element and the guiding element are made of are identical.
  • it is proposed that the reinforcement element and the guiding element are made of one piece.
  • the continuous track comprises at least one connecting element and at least one further ground-engaging track element, which is arranged parallel and offset to the ground- engaging track element in the widthwise direction and which is connected to the track element via the connecting element.
  • the further ground-engaging track element is preferably at least substantially equal to the ground-engaging track element.
  • connecting element can be integrally implemented with the ground-engaging track elements.
  • the connecting element, the guiding element, the reinforcement element, the ground-engaging track element and/or the ground-averted track element can be at least partly, preferably at least mostly and especially preferably entirely integrally implemented.
  • the connecting element could in particular be made of a material that differs from the material of the reinforcement element and/or of the guiding element.
  • connection element and the reinforcement element are made of one piece.
  • the continuous track unit comprises at least one track tensioner, which is arranged on a front side of the chassis and is provided for
  • the track tensioner is in particular provided for maintaining a tension of the continuous track.
  • the track tensioner comprises in particular at least one idler wheel, which is provided to apply pressure to the continuous track in order to maintain a tension of the continuous track.
  • the track tensioner . .
  • a fluidic damping device e.g. a hydraulic or pneumatic damping device.
  • At least one first run of the continuous track and at least one second run of the endless track form an obtuse angle of maximally 150°.
  • a "run” is to be understood, in this context, in particular as a segment of the continuous track which extends from one wheel to one other wheel of the continuous track unit and which is preferably free of contact to any other wheels of the continuous track unit.
  • the first run and the second run abut each other directly.
  • the angle is an approaching angle and/or a departure angle.
  • an “approaching angle” is to be understood, in this context, in particular as an angle between a first run and a second run wherein, viewed in a forward direction of the tracked mulching vehicle, the first run is a run at a front region of the tracked mulching vehicle and the second run is a run in a middle region of the tracked mulching vehicle.
  • the approaching angle is maximally 150° and at least 135° and is preferably variable depending on an amount of pressure which the track tensioner applies to the continuous track.
  • a “departing angle” is to be understood, in this context, in particular as an angle between a first run and a second run wherein, viewed in a forward direction of the tracked mulching vehicle, the first run is a run at a rear region of the tracked mulching vehicle and the second run is a run in a middle region of the tracked mulching vehicle.
  • the departing angle is maximally 150° and at least 135°.
  • a departure angle is at least 135°.
  • the continuous track unit comprises a plurality of support wheels which are provided for supporting the continuous track and at least one other wheel, wherein at least one of the support wheels and the at least one other wheel at least partly overlap each other in the lengthwise direction.
  • the support wheel comprises a preferably at least substantially v-shaped recess which is provided for receiving the one other wheel.
  • the support wheel in particular engages with the one other wheel when viewed in the lengthwise direction at least partly from two opposite sides.
  • the support wheels run in particular freely on the ground-averted track element.
  • the support wheels are positioned with respect to the continuous track in such a way that . .
  • the recess receives the guiding element at least partly.
  • the one other wheel is in particular the before-mentioned idler wheel.
  • the chassis comprises at least one bogie to which at least two support wheels of the continuous track unit are mounted and which is provided to compensate a deformation of the continuous track.
  • the bogie is in particular provided to pivot the two support wheels with respect to the frame of the chassis.
  • the support wheels are mounted on different sides of the bogie.
  • the tracked mulching vehicle has a weight, in particular including the weight of the mulching tool, of at least 1 .0 t, preferably of at least 1 .1 t and especially preferably of at least 1 .2 t.
  • the tracked mulching vehicle has a weight in particular of maximally 1 .6 t, preferably of maximally, 1 .5 1 and especially preferably of maximally 1 .4 1.
  • the tracked mulching vehicle has a weight of 1 .38 1.
  • the weight of the mulching tool is in particular at least 10 %, preferably at least 12 % and especially preferably at least 16 % of the weight of the tracked mulching vehicle.
  • the weight of the mulching tool is in particular maximally 22 %, preferably maximally 20 % and especially preferably maximally 18 % of the weight of the tracked mulching vehicle. As a result, a ground pressure can be reduced.
  • a width of the continuous tracks is at least 15 %, in particular at least 20 % and preferably at least 25 % of a width of the undercarriage.
  • the width of the continuous track is maximally 40 %, in particular maximally 35% and preferably maximally 30 %.
  • the length of the tracked mulching vehicle with the mulching tool is in particular at least 5500 mm, preferably 6000 mm and especially preferably 65000 mm and/or in particular maximally 8000 mm, preferably maximally 7500 mm and especially preferably maximally 7000 mm.
  • a length of a portion of the continuous track which is In contact with the ground is in particular at least 40 %, preferably at least 45 %, and especially preferably at least 50 % and/or in particular maximally 65 %, preferably maximally 60 % and especially preferably maximally 55 % of the length of the vehicle.
  • a ground pressure can be further reduced.
  • the tracked mulching vehicle has a ground pressure of maximally 0.34 kg/cm 2 , in particular of maximally 0.30 kg/cm 2 and preferably of maximally 0.26 kg/cm 2 .
  • tracked mulching vehicle has in particular a ground pressure of at least 0.16 kg/cm 2 , preferably of at least 0.20 kg/cm 2 and especially preferably of at least 0.24 kg/cm 2 .
  • the tracked mulching vehicle has a ground pressure of 0.25 kg/cm 2 .
  • the tracked mulching vehicle is herein not to be limited to the application and
  • the tracked mulching vehicle can comprise a number of respective elements, structural components and units that differs from the number mentioned herein.
  • values within the limits mentioned are to be understood to be also disclosed and to be used as applicable.
  • Fig 2 an undercarriage of the tracked mulching vehicle in a perspective view
  • Fig 3 a cross-section view of a continuous track of the tracked mulching
  • Fig 4 a top view of a portion of the continuous track. - -
  • FIG. 1 shows a tracked mulching vehicle 10.
  • the tracked mulching vehicle 10 is in this case provided for biomass harvesting. Additionally or alternatively the tracked mulching vehicle 10 could be provided for processing, in particular for tilling, preferably
  • the tracked mulching vehicle 10 is advantageously provided for safe use on different kinds of terrain, in particular on-road, e.g. on paved roads, as well as off-road, e.g. on rock, gravel, sand and/or soil.
  • the tracked mulching vehicle 10 has a weight of at least 1 .0 t. In this case the tracked mulching vehicle 10 has a weight of 1 .38 1. Alternatively, the weight of the tracked mulching vehicle 10 may vary in particular between at least 1 .0 t, preferably at least 1 .1 t and especially preferably at least 1 .2 t, and/or in particular maximally 1 .6 t, preferably maximally 1 .5 1 and especially preferably maximally 1 .4 t.
  • FIG. 2 shows an undercarriage 14 of the tracked mulching vehicle 10 in a perspective view.
  • the tracked mulching vehicle 10 comprises the undercarriage 14.
  • undercarriage 14 is a load bearing unit.
  • the undercarriage 14 is arranged at a bottom of the tracked mulching vehicle 10.
  • the undercarriage 14 is provided for support of superstructures 66 of the tracked mulching vehicle 10.
  • the undercarriage 14 has a width in a widthwise direction 34 of the tracked mulching vehicle 10 of 2450 mm. Alternatively, the width of the undercarriage 14 may vary between at least 2000 mm and at a maximum 3000 mm.
  • the undercarriage 14 has a chassis 16.
  • the chassis 16 is provided for mounting of the superstructures 66.
  • the chassis 16 comprises at least one frame 62, 64.
  • the frame 62, 64 is at least provided for mounting of superstructures.
  • the frame 62, 64 has a width in the widthwise direction 34 which corresponds at least substantially to a standard truck size.
  • the chassis 16 comprises two such frames 62, 64, in particular a first frame 62 and a second frame 64. Furthermore, the two frames 62, 64 are arranged offset to each other. The two frames 62, 64 are offset to each other in a direction at least substantially - -
  • the two frames 62, 64 are connected to each other.
  • the tracked mulching vehicle 10 comprises the superstructures 66 (see figure 1 ).
  • the superstructures 66 are arranged on top of the undercarriage 14.
  • the superstructures 66 are mounted to the chassis 16.
  • the superstructures 66 are mounted to at least one of the frames 62, 64 of the chassis 16, in particular to the second frame 64.
  • the tracked mulching vehicle 10 comprises a cabin 68.
  • the cabin 68 is one of the superstructures 66.
  • the cabin 68 is arranged on a front portion of the undercarriage 14.
  • the tracked mulching vehicle 10 comprises a mulching tool 12.
  • the mulching tool 12 is arranged at a front region of the undercarriage 14.
  • the mulching tool 12 is one of the superstructures 66.
  • the mulching tool 12 is provided for ground processing. Alternatively or additionally the mulching tool 12 may be provided for tilling, preferably comminuting and/or processing ground and/or vegetation and advantageously for milling, grinding, scarifying and/or clearing.
  • the mulching tool 12 comprises a rotary member 70.
  • the rotary member 70 comprises tool elements, in particular cutting elements or chains.
  • the length of the tracked mulching vehicle 10 with the mulching tool 12 is in this case 6696 mm.
  • the length of the tracked mulching vehicle 10 with the mulching tool 12 may vary between in particular at least 5500 mm, preferably 6000 mm and especially preferably 6500 mm, and/or in particular maximally 8000 mm, preferably maximally 7500 mm and especially preferably maximally 7000 mm.
  • the mulching tool 12 comprises a pivot arm 72.
  • the pivot arm 72 is provided for height adjustment of the rotary member 70 with respect to the undercarriage 14.
  • the rotary member 70 can be positioned between at least 285 mm beneath and maximally 1043 mm above than a base of the undercarriage 14.
  • the mulching tool 12 is driven by a drive unit 74.
  • the tracked mulching vehicle 10 comprises a driveline (not shown).
  • the drive line connects the drive unit 74 with the mulching tool 12.
  • the driveline comprises an anti-stall protection unit (not shown).
  • the anti-stall protection unit is provided to electronically control a rotation speed of the rotary member 70.
  • the anti-stall protection unit is directly connected to a clutch (not shown) of the drive unit 74. If the rotary member 70 loses speed, the clutch can be disengaged and thus prevent stalling of the drive unit 74.
  • the weight of the mulching tool 12 is 19 % of the weight of the tracked mulching vehicle 10. In the present case the weight of the mulching tool is 2.2 t. Alternatively the weight of the mulching tool 12 may vary between in particular at least 10 %, preferably at least 12 % and especially preferably at least 16 %, and/or in particular maximally 22 %, preferably maximally 20 % and especially preferably maximally 18 % of the weight of the tracked mulching vehicle 10.
  • the tracked mulching vehicle 10 comprises the drive unit 74.
  • the drive unit 74 is one of the superstructures 66.
  • the drive unit 74 is arranged on a rear side of the undercarriage 14.
  • the drive unit 74 is arranged entirely to the rear of the cabin 68.
  • the drive unit 74 is at least provided to power the mulching tool 12.
  • the drive unit 74 is provided to power at least a continuous track unit 18 of the tracked mulching vehicle 10.
  • the undercarriage 14 has at least one continuous track unit 18.
  • the undercarriage has two continuous track units 18.
  • the continuous track units 18 are at least substantially identical. For greater clarity only one of the two continuous track units 18 is given a reference numeral in the figures.
  • the continuous track units 18 are provided to move the tracked mulching vehicle 10 with respect to the ground.
  • the continuous track units 18 are in particular arranged and preferably mounted on two different sides of the chassis 16. Moreover, in particular viewed in the lengthwise direction 56 of the tracked mulching vehicle 10, the continuous track units 18 are arranged on opposite sides of the chassis 16.
  • the two continuous track units 18 are arranged mirror- symmetrically to each other. In the following, only one continuous track unit 18 will be described in detail, while all of the following description may also be applied to the other continuous track unit.
  • the continuous track unit 18 is mounted to the chassis 16, in particular to the first frame 62 of the chassis.
  • the continuous track unit 18 comprises at least one continuous track 20. In the present case the continuous track unit 18 comprises precisely one continuous track 20.
  • the continuous track 20 unit 18 may comprise more than one continuous track.
  • a width of the continuous track 20 is at least 15 % of a width of the undercarriage 14.
  • the width of the continuous track 20 may vary between in particular at least 15 %, preferably at least 20 % and especially preferably at least 25 %, and/or in particular maximally 40 %, preferably maximally 35% and especially preferably maximally 30 % of the width of the undercarriage 14.
  • a length of a portion of the continuous track 20 which is in contact with the ground is in the present case 52 % of the length of the tracked mulching vehicle 10. Alternatively this length may vary between in particular at least 40 %, preferably at least 45 %, and especially preferably at least 50 %, and in particular maximally 65 %, preferably maximally 60 % and especially preferably maximally 55 % of the length of the tracked mulching vehicle 10.
  • a ground pressure of the tracked mulching vehicle 10 depends on the weight of the tracked mulching vehicle 10, the width of the continuous tracks 20 of the continuous track unit 18 and the portion of the continuous track 20 which is in contact with the ground.
  • the tracked mulching vehicle 10 has a ground pressure of 0.25 kg/cm 2 .
  • the ground pressure may vary between in particular maximally 0.34 kg/cm 2 , preferably maximally 0.30 kg/cm 2 and especially preferably maximally 0.26 kg/cm 2 , and/or in particular at least 0.16 kg/cm 2 , preferably at least 0.20 kg/cm 2 and especially preferably at least 0.24 kg/cm 2 .
  • Figure 3 shows a cross-section view of the continuous track 20.
  • the continuous track 20 has at least one ground-engaging track element 22.
  • the continuous track 20 comprises a ground-averted track element 76.
  • the continuous track 20 comprises at least one further ground-engaging track element 32.
  • the further ground-engaging track element 32 is at least substantially identical to the ground-engaging track element 22.
  • the continuous track 20 comprises at least one further ground-averted track element 88.
  • the further ground-averted track element 88 is at least substantially identical to the ground- averted track element 76.
  • the further ground-engaging track element 32 and/or to the further ground-averted track element 88 are arranged parallel and offset to the ground- engaging track element 22 and/or to the ground-averted track element 76 in the widthwise direction 34 of the tracked mulching vehicle 10.
  • the ground-engaging track element 22 and the ground-averted track element 76 will be described in detail, while all of the following description may also be applied to the further ground-engaging track element 32 and/or to the further ground-averted track element 88.
  • the ground-engaging element 22 is at least partly made of an elastomer. In the present case the ground-engaging element 22 is entirely made of an elastomer. Furthermore, in the present case the elastomer is rubber. Furthermore, the ground-engaging track element 22 comprises a grip element 78. The grip element 78 is provided for increasing - -
  • ground-engaging track element 22 and the ground-averted track element 76 are connected to each other.
  • the ground-engaging track element 22 and the ground-averted track element 76 form two opposite sides of the continuous track 20.
  • the ground-engaging track element 22 and the ground-averted track element 76 are integrally implemented in.
  • the ground-averted track element 76 is also entirely made of an elastomer, in particular the aforementioned elastomer.
  • the continuous track 20 comprises at least one reinforcement element 24 provided for reinforcing the ground-engaging track element 22 and/or preferably the ground-averted track element 76.
  • the reinforcement element 24 is provided to reinforce the ground- engaging track element 22 and/or preferably the ground-averted track element 76 in a direction at least substantially perpendicular to the lengthwise direction 56.
  • a width of the reinforcement element 24 and a width of the continuous track 20 are at least substantially equal.
  • the reinforcement element 24 comprises, in the widthwise direction 34 of the tracked mulching vehicle 10, an elongate, preferably tapered profile.
  • the reinforcement element 24 is at least partly arranged between the ground-engaging track element 22 and the ground-averted track element 76.
  • the reinforcement element 24 is at least partly embedded in the ground-engaging track element 22 and/or in the ground- averted track element 76.
  • the reinforcement element 24 and the ground-engaging track element 22 are integrally implemented.
  • the continuous track 20 comprises at least one additional reinforcement element 80.
  • the continuous track 20 comprises a plurality of additional reinforcement elements 80, which are at least substantially identical.
  • the additional reinforcement element 80 is provided to reinforce the ground-engaging track element 22 and/or preferably the ground-averted track element 76 in a direction at least substantially parallel to the lengthwise direction 56.
  • the additional reinforcement element 80 is in particular at least substantially fiber-shaped.
  • the reinforcement element 24, the additional reinforcement element 80, the ground- engaging track element 22 and/or the ground-averted track element 76 are in particular integrally implemented.
  • a material implementing the reinforcement element 24 and/or in particular the additional reinforcement element 80 is at least substantially more rigid than the elastomer, in - -
  • the reinforcement element 24 and/or in particular the additional reinforcement element 80 are/is made of metal, in particular steel.
  • the material implementing the reinforcement element 24 is at least 100 times more rigid than the elastomer, in particular in regard to the elastic modulus.
  • the reinforcement element 24 and/or the additional reinforcement element 80 can be made of a different elastomer which is more rigid than the elastomer which the ground-engaging track element 22 is made of.
  • the continuous track 20 comprises at least one guiding element 26.
  • the guiding element 26 is connected to the ground-engaging track element 22.
  • the guiding element 26 is provided for guiding at least one wheel 28 of the continuous track unit 18.
  • the guiding element 26 is in particular shaped correspondingly at least to the one wheel 28.
  • the one wheel 28 is a drive wheel of the continuous track unit 18.
  • the one wheel 28 has a sprocket 82 for the purpose of engaging with the guiding element 26.
  • the guiding element 26 is at least partly u-shaped.
  • the guiding element 26 comprises two, preferably tapering guiding walls 84, 86.
  • the guiding walls 84, 86 are provided to limit a movement of the one wheel 28 in the widthwise direction 34 of the tracked mulching vehicle 10.
  • the guiding element 26 and the reinforcement element 24 are at least partly integrally implemented. In the present case the guiding element 26 and the reinforcement element 24 are entirely integrally implemented. Furthermore, the guiding element 26, the ground- engaging track 22 element and/or the ground-averted track element 76 are at least partly integrally implemented. Moreover, the guiding element 26, the ground-engaging track 22 element and/or the ground-averted track element 76 are at least partly integrally implemented.
  • the guiding element 26 could in particular be made of a material that differs from the material which the reinforcement element 24 is made of. In the present case the respective materials which the reinforcement element 24 and the guiding element 26 are made of are identical. The reinforcement element 24 and the guiding element 26 are made of one piece.
  • FIG. 4 shows a top view of the continuous track 20.
  • the continuous track 20 comprises at least one connecting element 30.
  • the connecting element 30 connects the further ground-engaging track element 32 with the ground-engaging track element 22.
  • the reinforcement element 24 and the connecting element 30 are at least - -
  • connection element 30 can be integrally implemented with the ground-engaging track elements 22, 32.
  • the connecting element 30, the guiding element 26, the reinforcement element 24, the ground-engaging track elements 22, 32 and/or the ground-averted track elements 76, 88 can be at least partly integrally implemented.
  • the connecting element 30 could in particular be made of a material that differs from the material/materials of the reinforcement element 24 and/or of the guiding element 26.
  • the materials which the connecting element 30, the reinforcement element 24 and/or the guiding element 26 are made of are identical. In the present case the connection element 30 and the reinforcement element 24 are made of one piece.
  • the continuous track unit 18 comprises a plurality of wheels (see figure 1 ). The wheels are at least provided to keep the continuous track 20 in place.
  • the continuous track unit 18 comprises at least one upper wheel 90.
  • the upper wheel 90 is mounted to the chassis 16.
  • the upper wheel 90 is provided to avoid slacking of the continuous track 20 due to gravitational force.
  • the upper wheel 90 abuts the continuous track 20.
  • the upper wheel 90 applies pressure to the continuous track 20 in a direction counter to a gravitational force acting on the continuous track 20.
  • the continuous track unit 18 comprises a plurality of support wheels 48, 50, 52, 54.
  • the continuous track unit 18 comprises four support wheels 48, 50, 52, 54.
  • the support wheels 48, 50, 52, 54 are provided for supporting the continuous track 20.
  • the support wheels 48, 50, 52, 54 are provided to press the continuous track 20 onto the ground.
  • the support wheels 48, 50, 52, 54 run on a surface of the ground-adverted track element 24.
  • the support wheels 48, 50, 52, 54 are mounted to the chassis 16.
  • the chassis 16 comprises at least one bogie 58, 60.
  • the bogies 58, 60 are spaced apart from one another in the lengthwise direction 56 of the tracked mulching vehicle 10.
  • Respectively at least two of the support wheels 48, 50, 52, 54 of the continuous track unit 18 are mounted onto each of the bogies 58, 60.
  • the bogies are 58, 60 are provided to compensate a deformation of the continuous track 20.
  • the bogies 58, 60 are provided to pivot the support wheels 48, 50, 52, 54 with respect to the frame 62, 64 of the chassis 16. Viewed in a direction of a pivot axis of each bogie 58, 60, the support wheels 48, 50, 52, 54 are mounted on different sides of each bogie 58, 60. - -
  • the support wheels 48, 50, 52, 54 run freely on the ground-averted track element 76. At least one of the support wheels 48, 50, 52, 54 and one other wheel 36 overlap each other at least partly in the lengthwise direction 56.
  • the support wheels 48, 50, 52, 54 each comprise a recess 92.
  • the recess 92 is viewed in a cross section at least substantially v- shaped.
  • the recess 92 is provided for receiving the at least one other wheel 36 at least partly.
  • the support wheel 44 in particular engages with the one other wheel 36.
  • the one other wheel 36 is embodied as an idler wheel.
  • the support wheels 48, 50, 52, 54 are positioned with respect to the continuous track 20 in such a way that the recess 92 receives the guiding element 26 at least partly.
  • the continuous track unit 18 comprises a track tensioner 37.
  • the track tensioner 37 is arranged on a front portion of a side of the chassis 16.
  • the track tensioner 37 is provided for compensating blows to the continuous track 20.
  • the track tensioner 37 is in particular provided for maintaining a tension of the continuous track 20.
  • the track tensioner 37 comprises the one other wheel that is embodied as an idler wheel. The idler wheel applies pressure to the continuous track in order to maintain a tension of the continuous track 20.
  • the track tensioner 37 is embodied in particular as a fluidic damping device, e.g. a hydraulic or pneumatic damping device.
  • the continuous track 20 comprises a first run 38.
  • the first run 38 extends between at last two support wheels 48, 50.
  • the continuous track 20 further comprises a second run 40.
  • the second run 40 extends from the support wheel 48 to the one wheel 28, which is in particular embodied as the drive wheel.
  • the first run 38 and the second run 40 form an obtuse angle 46 of maximally 150°.
  • the first run 38 and the second run 40 form a departing angle.
  • the continuous 20 track comprises a further first run 41 .
  • the further first run 41 extends between at last two support wheels 52, 54.
  • the continuous track 20 comprises a further second run 42.
  • the further second run 42 extends from the support wheel 54 to the one other wheel 36, which is in particular the idler wheel.
  • the further first run 41 and the further second run 42 form an obtuse angle 44 of maximally 150°.
  • the obtuse angle 44 may vary depending on how much - -
  • the further first run 41 of the continuous track 20 and the further second run 42 of the continuous track 20 form an approaching angle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

Dans le but d'améliorer la polyvalence, un véhicule de paillage à chenilles (10) selon l'invention comprend un outil de paillage (12) et un châssis (14) ayant un bâti (16) et au moins une unité de chenille continue (18) placée sur le bâti (16), l'unité de chenille continue (18) comprenant au moins une chenille continue (20) ayant au moins un élément chenille (22) entrant en contact avec le sol, qui est constitué au moins en partie d'un élastomère.
PCT/EP2016/057808 2016-04-08 2016-04-08 Véhicule de paillage à chenilles Ceased WO2017174156A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/057808 WO2017174156A1 (fr) 2016-04-08 2016-04-08 Véhicule de paillage à chenilles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/057808 WO2017174156A1 (fr) 2016-04-08 2016-04-08 Véhicule de paillage à chenilles

Publications (1)

Publication Number Publication Date
WO2017174156A1 true WO2017174156A1 (fr) 2017-10-12

Family

ID=55752265

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/057808 Ceased WO2017174156A1 (fr) 2016-04-08 2016-04-08 Véhicule de paillage à chenilles

Country Status (1)

Country Link
WO (1) WO2017174156A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100295367A1 (en) * 2009-05-22 2010-11-25 Geuk Bae Kim Endless track for a work vehicle
WO2013029165A1 (fr) * 2011-08-31 2013-03-07 Rolic Invest Sarl Véhicule à chenilles
WO2016198130A1 (fr) * 2015-06-11 2016-12-15 Prinoth Ltd. Véhicule chenillé et châssis pour ce dernier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100295367A1 (en) * 2009-05-22 2010-11-25 Geuk Bae Kim Endless track for a work vehicle
WO2013029165A1 (fr) * 2011-08-31 2013-03-07 Rolic Invest Sarl Véhicule à chenilles
WO2016198130A1 (fr) * 2015-06-11 2016-12-15 Prinoth Ltd. Véhicule chenillé et châssis pour ce dernier

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