FR2688175A3 - Hydraulically driven automotive vehicle - Google Patents

Hydraulically driven automotive vehicle Download PDF

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Publication number
FR2688175A3
FR2688175A3 FR9202802A FR9202802A FR2688175A3 FR 2688175 A3 FR2688175 A3 FR 2688175A3 FR 9202802 A FR9202802 A FR 9202802A FR 9202802 A FR9202802 A FR 9202802A FR 2688175 A3 FR2688175 A3 FR 2688175A3
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FR
France
Prior art keywords
axle
wheel
assembly
vehicle
motor
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.)
Granted
Application number
FR9202802A
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French (fr)
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FR2688175B3 (en
Inventor
Jacques Fournier
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.)
ECOMAT INDUSTRIE
Original Assignee
ECOMAT INDUSTRIE
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 ECOMAT INDUSTRIE filed Critical ECOMAT INDUSTRIE
Priority to FR9202802A priority Critical patent/FR2688175B3/en
Publication of FR2688175A3 publication Critical patent/FR2688175A3/en
Application granted granted Critical
Publication of FR2688175B3 publication Critical patent/FR2688175B3/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K7/0015—Disposition of motor in, or adjacent to, traction wheel the motor being hydraulic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/30—Arrangement or mounting of transmissions in vehicles the ultimate propulsive elements, e.g. ground wheels, being steerable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

Vehicle including at least one driving and guiding wheel (R) driven by a hydraulic motor (2) mounted on the hub of the said wheel. It is characterised in that the motor (2)/wheel (R) assembly is mounted on the axle (1) of the vehicle via a bearing or moving equipment (5) free to rotate with respect to the said axle (1) and which is fixed to the latter via a rotating joint (6) fixed to the axle and connected to the source for feeding with pressurised hydraulic fluid, the circuit for feeding the hydraulic motor with fluid being incorporated inside the assembly (5) forming a pivot.

Description

VEHICULE AUTO-MOTEUR ENTRAINE HYDRAULIOUEMENT.HYDRAULICALLY DRIVEN VEHICLE.

La présente invention a trait à un perfectionnement apporté aux véhicules auto-moteurs entraînés hydrauliquement, tels que par exemple les engins de travaux publics, engins agricoles.., et qui possèdent un ou plusieurs essieux moteurs et/ou directeurs. The present invention relates to an improvement made to self-propelled hydraulically driven vehicles, such as for example public works vehicles, agricultural vehicles, etc., which have one or more driving and / or steering axles.

Dans la suite de la description, l'invention sera décrite pour un véhicule comportant quatre roues motrices et directrices, mais il est évident que cela n'est pas limitatif et qu'elle pourrait être appliquée également pour des véhicules ne comportant que deux roues motrices et directrices, voire même éventuellement une seule roue motrice et directrice. In the following description, the invention will be described for a vehicle comprising four driving and steering wheels, but it is obvious that this is not limiting and that it could also be applied to vehicles comprising only two driving wheels. and steering wheels, or even possibly a single driving and steering wheel.

A ce jour, les véhicules auto-moteurs entraînés par un moteur hydraulique (et ce quel que soit le fluide employé, tel que huile, eau glycérinée..) comportent, pour chaque roue, un moteur d'entraînement alimenté par des flexibles reliés à une source de pression et qui, par suite des déplacements qu'ils reçoivent, peuvent se détériorer. To date, self-propelled vehicles driven by a hydraulic motor (and whatever the fluid used, such as oil, glycerinated water, etc.) comprise, for each wheel, a drive motor supplied by hoses connected to a source of pressure and which, as a result of the displacements which they receive, can deteriorate.

La solution faisant l'objet de la présente invention permet de surmonter les inconvénients des solutions antérieures par le fait qu'elle permet de réaliser un essieu hydraulique compact qui intègre à la fois les fonctions de direction et de motorisation, et qui présente une très grande sécurité d'emploi par le fait qu'il élimine tout raccordement par l'intermédiaire de flexibles mobiles. The solution which is the subject of the present invention overcomes the drawbacks of the previous solutions by the fact that it makes it possible to produce a compact hydraulic axle which integrates both the steering and motorization functions, and which has a very large safety in use by the fact that it eliminates any connection via mobile hoses.

D'une manière générale, l'invention porte donc sur le perfectionnement apporté aux véhicules comportant au moins une roue motrice et directrice entraînée par un moteur hydraulique monté sur le moyeu de Iadite roue, et il se caractérise en ce que l'ensemble moteur/roue est monté sur l'essieu du véhicule par l'intermédiaire d'un pivot (ou équipage mobile) libre en rotation par rapport audit essieu et qui est fixé à ce dernier par l'intermédiaire d'un joint tournant fixé à l'essieu et raccordé à la source d'alimentation en fluide hydraulique sous pression, les circuits d'alimentation en fluide du moteur hydraulique étant intégrés à l'intérieur de l'ensemble formant pivot. In general, the invention therefore relates to the improvement made to vehicles comprising at least one driving and steering wheel driven by a hydraulic motor mounted on the hub of said wheel, and it is characterized in that the engine / wheel is mounted on the axle of the vehicle by means of a pivot (or moving part) which is free to rotate with respect to said axle and which is fixed to the latter by means of a rotary joint fixed to the axle and connected to the source of supply of pressurized hydraulic fluid, the fluid supply circuits of the hydraulic motor being integrated inside the pivot assembly.

Un tel mode de réalisation est particulièrement adapté pour réaliser des véhicules comportant quatre roues directrices motrices. Dans un tel cas, dans chaque train de roues, les pivots sont reliés entre eux par une barre d'accouplement associée à un vérin de direction, ou autre mécanisme de commande. Such an embodiment is particularly suitable for producing vehicles comprising four driving steered wheels. In such a case, in each set of wheels, the pivots are connected together by a coupling bar associated with a steering cylinder, or other control mechanism.

L'invention et les avantages qu'elle apporte seront cependant mieux compris grâce à l'exemple de réalisation donné ci-après à titre indicatif mais non limitatif, et qui est illustré par les schémas annexés dans lesquels:
- la figure 1 est une vue en bout d'un essieu d'un véhicule dans lequel les deux roues sont à la fois directrices et motrices;
- la figure 2 est une vue de détail, en coupe, montrant la manière dont est réalisé le montage et l'entraînement de chaque roue sur un essieu et ce, conformément à l'invention.The invention and the advantages which it brings will however be better understood thanks to the embodiment given below by way of indication but not limitation, and which is illustrated by the attached diagrams in which:
- Figure 1 is an end view of an axle of a vehicle in which the two wheels are both steering and driving;
- Figure 2 is a detail view, in section, showing the manner in which the mounting and driving of each wheel on an axle is carried out, in accordance with the invention.

La figure 1 illustre, vu de face, l'ensemble du train avant d'un véhicule comportant un essieu hylaudrique compact, intégrant à la fois les fonctions de direction et de motorisation et réalisé conformément à l'invention. Dans la suite de la description, les deux roues R sont montées sur l'essieu (1) du véhicule de la même manière et ont la même structure.  FIG. 1 illustrates, seen from the front, the entire front axle of a vehicle comprising a compact hylaudric axle, integrating both the steering and motorization functions and produced in accordance with the invention. In the following description, the two wheels R are mounted on the axle (1) of the vehicle in the same way and have the same structure.

Si l'on considère l'une de ces roues, droite par exemple, elle comporte un moteur hydraulique (2) dont l'arbre de sortie (3) est solidaire du moyeu (4). Un ensemble (5), désigné dans la suite de la description par l'expression "pivot", sert de support au moteur (3). Ce pivot (5) est monté à l'intérieur d'un pallier prévu à l'extrémité de l'essieu (1), de telle sorte que l'on conserve une liberté de rotation par rapport audit essieu. Le pivot (2) est surmonté d'un joint tournant composé essentiellement d'un manchon (6) fixe par rapport à l'essieu (1), et d'un arbre (7) libre en rotation dans ledit manchon. A l'intérieur de cet arbre (7), sont prévus des conduits permettant l'alimentation en fluide sous pression. La liaison entre le moteur (2) et l'ensemble joint tournant est réalisé au moyen d'un axe foré (4) flasqué et donc solidaire du moteur (2) et de l'arbre (7) traversant le pivot (5). L'ensemble ainsi constitué, les éléments (5,4 et 7) forment donc un équipage mobile libre en rotation par rapport à l'essieu (1) et au manchon fixe (6). L'alimentation en fluide hyraulique est réalisée par l'intermédiaire d'une source (non représentée) permettant, au travers des conduits prévus dans l'arbre (7) et par le biais de l'un ou l'autre des conduits (4), de commander le moteur (2). If we consider one of these wheels, straight for example, it comprises a hydraulic motor (2) whose output shaft (3) is integral with the hub (4). An assembly (5), designated in the following description by the expression "pivot", serves to support the motor (3). This pivot (5) is mounted inside a bearing provided at the end of the axle (1), so that a freedom of rotation is preserved relative to said axle. The pivot (2) is surmounted by a rotary joint consisting essentially of a sleeve (6) fixed relative to the axle (1), and of a shaft (7) free to rotate in said sleeve. Inside this shaft (7), there are provided conduits allowing the supply of pressurized fluid. The connection between the motor (2) and the rotary joint assembly is produced by means of a flanged drilled pin (4) and therefore integral with the motor (2) and the shaft (7) passing through the pivot (5). The assembly thus formed, the elements (5,4 and 7) therefore form a free moving assembly in rotation relative to the axle (1) and to the fixed sleeve (6). The hydraulic fluid is supplied by a source (not shown) allowing, through the conduits provided in the shaft (7) and through one or the other of the conduits (4 ), to control the motor (2).

Il convient de noter que l'essieu (1) peut être monté soit rigide soit oscillant, et que le moteur (2) peut bien entendu commander toute forme de roue ou galet équipé ou non d'un dispositif de freinage. Par ailleurs, l'invention peut être mise en oeuvre avec tout type de moteur hydraulique, mono ou multi-cylindrées, avec ou sans frein, pouvant être monté sur le pivot (2).  It should be noted that the axle (1) can be mounted either rigid or oscillating, and that the motor (2) can of course control any form of wheel or roller equipped or not with a braking device. Furthermore, the invention can be implemented with any type of hydraulic motor, single or multi-displacement, with or without brake, which can be mounted on the pivot (2).

Par rapport aux solutions antérieures, l'invention présente de très nombreux avantages par le fait qu'elle permet de réaliser un ensemble non seulement compact, mais qui par ailleurs, présente une très grande sécurité étant donné qu'une telle solution élimine totalement la présence de flexibles mobiles. Il convient également de noter qu'il pourrait être envisagé de piloter un frein hyraulique intégré ou non au moteur. Compared to previous solutions, the invention has many advantages in that it makes it possible to produce an assembly which is not only compact, but which also has very high security since such a solution completely eliminates the presence mobile hoses. It should also be noted that it could be envisaged to control a hydraulic brake integrated or not in the engine.

Bien entendu, l'invention n'est pas limitée à exemple de réalisation décrit précédemment, mais elle en couvre toutes les variantes réalisées dans le même esprit.  Of course, the invention is not limited to the embodiment described above, but it covers all the variants produced in the same spirit.

Claims (2)

REVENDICATIONS 1/ Véhicule comportant au moins une roue (R) motrice et directrice -entraînée par un moteur hydraulique (2) monté sur le moyeu de ladite roue, caractérisé en ce que l'ensemble moteur (2)/roue (R) est monté sur l'essieu (1) du véhicule par l'intermédiaire d'un pivot ou équipage mobile (5) libre en rotation par rapport audit essieu (1) et qui est fixé à ce dernier par l'intermédiaire d'un joint tournant (6) fixé à l'essieu et raccordé à la source d'alimentation en fluide hydraulique sous pression, les circuits d'alimentation en fluide du moteur hydraulique étant intégrés à l'intérieur de l'ensemble (5) formant pivot. 1 / Vehicle comprising at least one driving and steering wheel (R) -driven by a hydraulic motor (2) mounted on the hub of said wheel, characterized in that the motor (2) / wheel (R) assembly is mounted on the axle (1) of the vehicle by means of a pivot or mobile assembly (5) which is free to rotate with respect to said axle (1) and which is fixed to the latter by means of a rotary joint (6 ) fixed to the axle and connected to the source of supply of pressurized hydraulic fluid, the fluid supply circuits of the hydraulic motor being integrated inside the assembly (5) forming a pivot. 2/ Véhicule selon la revendication 1, comportant quatre roues directrices motrices, caractérisé en ce que dans chaque train de roues, les pivots (5) sont reliés entre eux par une barre d'accouplement associée à un vérin de direction.  2 / vehicle according to claim 1, comprising four driving steered wheels, characterized in that in each set of wheels, the pivots (5) are interconnected by a coupling rod associated with a steering cylinder.
FR9202802A 1992-03-04 1992-03-04 HYDRAULICALLY DRIVEN SELF-MOTOR VEHICLE. Expired - Fee Related FR2688175B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9202802A FR2688175B3 (en) 1992-03-04 1992-03-04 HYDRAULICALLY DRIVEN SELF-MOTOR VEHICLE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9202802A FR2688175B3 (en) 1992-03-04 1992-03-04 HYDRAULICALLY DRIVEN SELF-MOTOR VEHICLE.

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FR2688175A3 true FR2688175A3 (en) 1993-09-10
FR2688175B3 FR2688175B3 (en) 1994-03-04

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001058711A1 (en) * 2000-02-14 2001-08-16 Multitor, S.A. Directional axle for coupling the drive wheels in vehicles
EP1541402A2 (en) * 2003-12-11 2005-06-15 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle and vehicle comprising it
FR2967113A1 (en) * 2011-12-21 2012-05-11 Poclain Hydraulics Ind Steering wheel support assembly for vehicle, has pivot providing rotary seal that ensures fluid connection of hydraulic lines, pivot and spindle at time of pivoting of spindle with respect to axle
FR2967112A1 (en) * 2011-12-21 2012-05-11 Poclain Hydraulics Ind Steering wheel support assembly for e.g. vehicle, has yoke fixed on spindle and movably mounted about pivot, where yoke includes ducts to allow fluid connection between ducts arranged in spindle and ducts arranged in pivot
CN108099583A (en) * 2018-01-17 2018-06-01 贵州苏佳乐电动车有限公司 A kind of built-in motor driving wheel of electric car

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225855A (en) * 1963-04-30 1965-12-28 Prime Movers Wiltshire Ltd Swivel mountings for fluid-driven steerable vehicle wheels
DE1811886A1 (en) * 1967-12-11 1969-07-24 Nat Res Dev Hydrostatic vehicle drive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225855A (en) * 1963-04-30 1965-12-28 Prime Movers Wiltshire Ltd Swivel mountings for fluid-driven steerable vehicle wheels
DE1811886A1 (en) * 1967-12-11 1969-07-24 Nat Res Dev Hydrostatic vehicle drive

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001058711A1 (en) * 2000-02-14 2001-08-16 Multitor, S.A. Directional axle for coupling the drive wheels in vehicles
ES2165304A1 (en) * 2000-02-14 2002-03-01 Multitor S A Directional axle for coupling the drive wheels in vehicles
EP1541402A2 (en) * 2003-12-11 2005-06-15 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle and vehicle comprising it
EP1541402A3 (en) * 2003-12-11 2005-12-21 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle and vehicle comprising it
EP1950071A1 (en) 2003-12-11 2008-07-30 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle
US7591338B2 (en) 2003-12-11 2009-09-22 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle and vehicle comprising it
FR2967113A1 (en) * 2011-12-21 2012-05-11 Poclain Hydraulics Ind Steering wheel support assembly for vehicle, has pivot providing rotary seal that ensures fluid connection of hydraulic lines, pivot and spindle at time of pivoting of spindle with respect to axle
FR2967112A1 (en) * 2011-12-21 2012-05-11 Poclain Hydraulics Ind Steering wheel support assembly for e.g. vehicle, has yoke fixed on spindle and movably mounted about pivot, where yoke includes ducts to allow fluid connection between ducts arranged in spindle and ducts arranged in pivot
WO2013092825A1 (en) * 2011-12-21 2013-06-27 Poclain Hydraulics Industrie Wheel support provided with pipes for supplying a hydraulic device
WO2013092828A1 (en) * 2011-12-21 2013-06-27 Poclain Hydraulics Industrie Wheel support comprising a mounted clevis
US9393860B2 (en) 2011-12-21 2016-07-19 Poclain Hydraulics Industrie Wheel support provided with pipes for supplying a hydraulic device
CN108099583A (en) * 2018-01-17 2018-06-01 贵州苏佳乐电动车有限公司 A kind of built-in motor driving wheel of electric car

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Publication number Publication date
FR2688175B3 (en) 1994-03-04

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