EP3969753A1 - Hydraulikversorgungssystem für ein fahrzeug - Google Patents
Hydraulikversorgungssystem für ein fahrzeugInfo
- Publication number
- EP3969753A1 EP3969753A1 EP20722509.5A EP20722509A EP3969753A1 EP 3969753 A1 EP3969753 A1 EP 3969753A1 EP 20722509 A EP20722509 A EP 20722509A EP 3969753 A1 EP3969753 A1 EP 3969753A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- flange
- hydraulic
- supply system
- drive motor
- control plate
- 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
Links
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- 238000003860 storage Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 15
- 239000012530 fluid Substances 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 10
- 230000010354 integration Effects 0.000 description 10
- 230000033228 biological regulation Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 238000003379 elimination reaction Methods 0.000 description 1
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- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/007—General arrangements of parts; Frames and supporting elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/08—Cooling; Heating; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
- F15B1/18—Anti-extrusion means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/18—Combined units comprising both motor and pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
- F04C15/0061—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
- F04C15/0073—Couplings between rotors and input or output shafts acting by interengaging or mating parts, i.e. positive coupling of rotor and shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/80—Other components
- F04C2240/803—Electric connectors or cables; Fittings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
Definitions
- the present invention relates to a hydraulic supply system for at least one vehicle, in particular a rail vehicle, with at least one drive motor, with at least one flange, with at least one hydraulic pump and with at least one control plate for receiving and / or controlling further electrical and / or hydraulic components of the hydraulic supply system.
- a hydraulic supply system In general, the function of a hydraulic supply system is that the hydraulic consumers of a rail vehicle (e.g. level control cylinders, brake systems, other hydraulic functional elements) have a controlled or
- Rail vehicle construction requires a continuously decreasing installation space requirement with at least the same functionality density, e.g. to integrate additional functional elements into the vehicle, to save weight and material and / or to ensure simpler manufacture or assembly.
- Rail vehicles or also referred to as a hydraulic unit, are transmitted, which should also take up less space, weight and material while maintaining the same functional scope.
- Pump unit consisting of an electric motor, pump bracket and pump, in particular hydraulic pump, shown on a bracket, with a further annular rubber-metal element is provided which is arranged between a flange of the pump bracket and the bracket.
- DE 196 12 582 A1 discloses a drive unit for a vehicle that has an electric motor and a hydraulic pump with a suction port and a
- the pump can be driven by the shaft of an electric motor.
- the electric motor and pump are housed together as a structural unit in the hydraulic tank.
- DE 10 2004 032 256 B3 shows a hydraulic unit for industrial trucks with a motor-pump unit that is attached directly to a tank, a return filter that has an elongated filter housing for a filter element that can be inserted into the tank through an opening, a hose connection as well as a
- the filter element being arranged in the flow path between the hose connection and the outlet opening, a return hose between the motor-pump unit and the hose connection and a closure for the return filter, the return hose running inside the tank and the hose connection being arranged inside the tank
- WO 2017/077060 A1 discloses a hydraulic device for a rail vehicle, which has a tank area for a hydraulic fluid, a motor with a pump for pumping the hydraulic fluid, a hydraulic
- Circuit board for providing hydraulic fluid paths and for receiving hydraulic components comprises a control area for controlling the hydraulic components and a housing.
- the tank area and control area are on opposite sides of the hydraulic
- Hydraulic supply system for at least one vehicle, in particular one
- Rail vehicle with at least one drive motor, with at least one flange, with at least one hydraulic pump and with at least one control plate for
- Receipt and / or control of further electrical and / or hydraulic components of the hydraulic supply system is provided, wherein the flange in the assembled state is attached to the drive motor and to the hydraulic pump for their mutual mechanical coupling and wherein the flange is attached to the control plate, the flange furthermore has at least one connector for coupling the hydraulic pump to the control plate, and wherein the flange has at least one electrical coupling element for electrically coupling the drive motor to the control plate.
- the connector can in particular be a hydraulic coupling such as a
- the invention is based on the basic idea that, against the background of the constantly growing space requirements in rail vehicle construction, a
- Hydraulic supply system with a flange for the mutual connection of drive motor and hydraulic pump with increased functional integration is provided.
- the increased integration of additional functions by means of the flange ensures in particular the electrical and hydraulic coupling of Drive motor and hydraulic pump to the control plate.
- the control plate forms a
- Interface element between the electrical and / or hydraulic components accommodated by them such as valves, lines, connections or actuating elements as well as the drive motor and hydraulic pump, which supplies the components with hydraulic pressure.
- the flange is designed in such a way that the cables required for this do not come into contact with the hydraulic fluid. Due to the high level of functional integration within the flange, an even more compact hydraulic supply system is made available that meets the steadily increasing installation space requirements, as described above, in an even better or
- the flange is an integral part of the drive motor, with at least one mechanical receptacle for the hydraulic pump being formed by means of the flange.
- the structural design of the flange as an integral part of the drive motor allows a particularly space-saving
- the common structural unit can be realized in the assembled state by means of a common housing or by means of a common housing assembly.
- the drive motor can, for example, be designed as an electric motor whose speed, torque or the output power resulting therefrom can be adjusted or adjusted.
- the electric motor can be designed as a synchronous machine or as an asynchronous machine.
- the hydraulic pump is designed as a displacement pump, which with regard to the mass flow to be conveyed and the pump pressure of the controlled or
- Types for a hydraulic pump can for example be a vane pump (rotary vane pump), a Gear pump (internally or externally toothed), a screw pump, an axial piston pump (inclined axis or swash plate), a radial piston pump (internally or externally pressurized), a reciprocating piston pump.
- the connector is designed as at least one hydraulic line and / or as at least one hydraulic bore.
- Hydraulic line ensures a direct and loss-optimized flow path or supply path between the control plate and the hydraulic pump via the flange.
- the hydraulic line can either be guided within the flange in a corresponding bore or, for example, in the area of the flange or adjacent to it, e.g. outside the flange, by means of
- Hydraulic line can generally be any technical line element or
- the hydraulic line can in particular be understood as a hydraulic hose or hydraulic pipe which connects the hydraulic pump to the control plate by means of the flange.
- the hydraulic bore is to be understood in particular as a recess in the flange, with the type and shape of the recess being able to assume a wide variety of configurations.
- the hydraulic bore can be designed as a bore, groove, recess, channel, opening, pocket, etc., of any shape.
- the electrical coupling element as at least one
- Flange cable bushing and / or is designed as at least one flange cable conduit.
- the flange cable bushing and / or the flange cable conduit ensure a reliable separation of the electrical coupling element from the
- the flange cable bushing can be designed as a recess or bore in the flange, within which one or more cables for electrical supply and for controlling or regulating the drive motor run in the assembled state.
- the electrical coupling element can be Have flanged cable conduit, which is designed as a hose (for example a corrugated hose) or as a similarly suitable component.
- the coupling element can accordingly be understood as a device by means of which the drive motor is supplied with electrical energy starting from the control plate or can be controlled and regulated. Hence the electrical
- Coupling element either as a guide device or accommodation device for one or more cables for electrical supply and for controlling or regulating the drive motor, or, together with these cables, as a holistic electrical coupling element.
- the electrical lines or electrical cables can also be routed outside the flange or are arranged there.
- the flange has at least one flange housing in which the electrical coupling element and / or the connector are integrated.
- the integration facilitates a very space-saving construction of the flange, since the structural dimensions of the electrical coupling element and / or the connector are small in relation to the overall dimensions of the flange housing and can therefore be easily integrated within the flange housing.
- the integration also shortens the flow paths for the hydraulic oil from the hydraulic pump to the control plate or shortens the line paths for the electrical cables from the drive motor to the control plate. As a result of this shortening, the hydraulic supply system can work even more efficiently, so that the overall efficiency is further improved.
- control and / or regulating device which, in the assembled state, is electrically connected to the drive motor by means of the control plate and / or the electrical coupling element.
- the control and / or regulating device indirectly ensures a needs-based promotion of the
- Hydraulic oil from the hydraulic pump to the control plate, in which it can control or regulate the speed or the torque of the drive motor.
- Control and / or regulating device can in particular also be understood to be just a device for controlling the drive motor. Furthermore, under a control and / or regulating device, a device for pure regulation of the drive motor in response to the required hydraulic parameters of the
- Hydraulic supply system are understood. The control and / or
- Control device can also take on both control and regulation tasks of the drive motor. In principle, it is also conceivable that the motor is designed to be uncontrolled and / or unregulated. Embodiments with integrated control electronics are also conceivable.
- the drive motor and the hydraulic pump are mechanically fastened in the fastened state by means of the flange on at least one side, in particular a broad side, of the control plate.
- the mechanical fastening on a broad side of the control plate allows a very space-saving lateral arrangement of the drive motor / hydraulic pump assembly on the control plate.
- Control device arranged.
- a single component namely the flange, the drive motor and the
- Hydraulic pump to be attached to the control plate, leaving on additional
- Fastening elements for the drive motor and / or hydraulic pump can be dispensed with in this regard.
- the flange has at least one shaft tunnel in which one end of at least one motor shaft of the drive motor and one end of at least one pump shaft of the hydraulic pump are coupled in a rotationally fixed manner by means of at least one coupling.
- the flange can also ensure a protected, non-rotatable coupling of the motor shaft and the pump shaft.
- the shaft tunnel within the control plate is dispensed with, which either saves additional installation space or the newly gained installation space can be provided for the integration of further electro-hydraulic components.
- the manufacture and construction of the control plate can be simplified.
- Control plate whose electrical and hydraulic interconnection effort can be reduced.
- the functional density of the flange can be increased again, which results in an even more compact overall structure.
- At least one bearing device for mounting the motor shaft is arranged in the flange.
- the additional bearing device enables an increase in the effective bearing distance from a further bearing device of the drive motor that is necessarily present. As a result, transverse forces on the drive shaft and on the drive motor can be reduced overall as a result of the increased axial bearing spacing. Consequently, so can the
- Hydraulic supply system can be made more compact and powerful overall.
- At least one first seal is arranged between the flange and the hydraulic pump and / or at least one second seal is arranged between the flange and the control plate. Since both the coupling area between the flange and the hydraulic pump as well as between the flange and the control plate rest in relation to one another in the assembled state, an effective and reliable seal can be easily implemented, particularly in this area.
- the sealing effect can be ensured very simply and reliably in the case of components resting against one another, in particular by means of elastic sealing elements (such as sealing rings) due to a high surface pressure.
- safe operation of the hydraulic supply system is only guaranteed if the hydraulic components or the connector from the electrical Coupling element or components are securely separated, whereby a reliable seal is particularly important.
- a further seal also serves to reliably seal the shaft tunnel, particularly with regard to the connector for connecting the hydraulic pump and control plate. It is also conceivable that at least one third seal for the electrical coupling element is arranged between the flange and the control plate. This seal has essentially the same functions as the first and second seals as described above.
- the hydraulic supply system has at least one
- the integration of the assembly or the structural unit drive motor, flange and hydraulic pump within the tank allows a further possibility, the hydraulic supply system
- Hydraulic fluid can suck in directly from the tank, which also has a favorable effect on the weight and the installation space of the hydraulic supply system. Moreover, this type of integration results in more effective cooling of the assembly described above.
- the tank can also have a very simple design, since the structural design of the flange means there are no hydraulic ones
- the flange has at least one further hydraulic line and / or at least one further hydraulic bore, by means of which the hydraulic tank and the control plate can be connected.
- the tank can also have a very simple structure due to the additional hydraulic line and / or hydraulic bore, since no hydraulic supply lines need to be provided from the tank to the control plate due to the structural design of the flange.
- a very simple structural design can thus be provided in order to achieve the The hydraulic oil or hydraulic fluid required by the hydraulic supply system is returned to the tank and thus to form a closed circuit.
- the flange can have at least one heat sink.
- the heat sink can relieve the thermal load on the flange itself and also form a heat sink for the drive motor and the hydraulic pump.
- the drive motor and the hydraulic pump can be thermally relieved and cooled more effectively or more efficiently, which results in a longer service life or in a safer mode of operation of the hydraulic supply system.
- the tank is also connected to a hydraulic oil cooler. As a result, the hydraulic oil can initially be cooled before it enters the hydraulic pump, so that overheating of the hydraulic supply system can be avoided.
- the flange is arranged between the drive motor and the hydraulic pump in the assembled and operational state.
- Drive shaft protected, sealed and non-rotatably connected to one another within the flange.
- the shaft ends can be arranged essentially in alignment with one another, which additionally simplifies the mechanical structure.
- the housing and the hydraulic pump are also very simple, since they can only be attached in a very space-saving manner on opposite sides of the flange.
- Fig. 1 is a schematic, partially perspective illustration of an embodiment of an inventive
- Fig. 2 is a schematic overall plan view of the embodiment of
- Fig. 3 is a schematic partial sectional view of the drive motor, the flange, the
- FIG. 1 shows a schematic perspective illustration of a section of an exemplary embodiment of a hydraulic supply system 10 according to the invention for a rail vehicle (not shown in FIG. 1).
- the hydraulic supply system 10 comprises a drive motor 12, a flange 14, a hydraulic pump 16 and a control plate 18 for receiving and controlling further electrical and hydraulic components 20 of the hydraulic supply system 10.
- the flange 14 is in the assembled state on the drive motor 12 and on the
- Hydraulic pump 16 attached to their mutual mechanical coupling.
- the flange 14 is further attached to the control plate 18.
- the control plate 18 is designed according to FIG. 1 as a cuboid plate with a first and second broad side 18a, 18b, which are arranged parallel opposite one another, and four narrow sides orthogonally adjacent thereto.
- the above components or parts according to FIG. 1 are coupled or connected to one another as follows:
- the drive motor 12 and the hydraulic pump 16 are connected to one another in the fastened state by means of the flange 14 in such a way that their respective central axes are essentially aligned with one another.
- center lines of the drive motor 12 and the hydraulic pump 16 in the assembled and fastened state are essentially parallel to a longitudinal axis of the control plate.
- the drive motor 12 and the hydraulic pump 16 are mechanically fastened in the fastened state by means of the flange on a broad side 18a of the control plate 18.
- the fastening is formed by means of four fastening screws which, in the assembled state, extend orthogonally to the center lines of the drive motor 12 and the hydraulic pump 16.
- the four fastening screws form a symmetrical fastening profile with the flange 14 and the control plate 18.
- More or fewer than four fastening screws can also be provided for fastening the flange 14 to the control plate 18.
- the flange 18 is also arranged between the drive motor 12 and the hydraulic pump 16 in the assembled and operational state.
- Fig. 2 shows a schematic plan view of the embodiment of
- the hydraulic supply system 10 according to the invention according to FIG. 1.
- the hydraulic supply system 10 is divided into two sub-areas 10a, 10b, the control plate 18 being designed as a hydraulic interface element between the sub-areas 10a, 10b.
- control plate 18 has two opposite broad sides 18a, 18b, to which the two subregions 10a, 10b adjoin.
- the first partial area 10a is formed adjacent.
- the first sub-area 10a has a hydraulic tank 22 or is formed by this, in which the drive motor 12 and the flange 14 and the hydraulic pump 16 are arranged in the assembled state.
- the hydraulic pump 16 also has a suction for hydraulic oil or hydraulic fluid on its suction side, the open end of which can end at different heights within the hydraulic tank 22.
- the hydraulic supply system 10 also has a control and
- the control and regulating device 24 can also be understood to mean that it is only designed as a control device 24 for the hydraulic supply system 10.
- control and regulating device 24 can also be understood to mean that it is only used as a regulating device 24 for the
- Hydraulic supply system 10 is formed.
- the second partial area 10b which adjoins or adjoins the second broad side 18b of the control plate 18, accordingly comprises the control and Control device 24 and is thus designed as a control and regulation area.
- the second sub-area 10b further comprises further hydraulic or
- electrohydraulic components 20 such as switching valves, control valves,
- Control valves or pressure limiters which are hydraulically connected to the control plate 18.
- the control plate 18 itself has several hydraulic lines or hydraulic bores, which run within the control plate.
- the hydraulic lines or hydraulic bores form different hydraulic paths between the hydraulic pump 16 and the hydraulic or electrohydraulic components 20.
- Hydraulic pump 16 formed on the drive motor.
- FIG. 3 shows a schematic partial sectional view of the drive motor 12, the flange 14 and the hydraulic pump 16 as well as the control plate 18 of the hydraulic supply system 10 according to the invention according to FIG. 1.
- the flange 14 has a connector 26 for the hydraulic coupling of the hydraulic pump 16 to the control plate 18.
- the flange 14 has an electrical coupling element 28 for electrically coupling the drive motor 12 to the control plate 18.
- the flange 14 further comprises a flange housing 14a, in which the electrical coupling element 28 and the connector (also referred to as a hydraulic coupling element) 26 are integrated.
- the connector 26 is designed as a fly hydraulic bore.
- the hydraulic bore forms a substantially right-angled flow channel or flow path within the flange housing 14a and is formed by means of two partial hydraulic bores.
- the connector 26 is designed as a hydraulic line.
- the electrical coupling element 28 is designed as a flange cable bushing.
- the flange cable bushing forms an essentially right-angled flange cable bushing within the flange housing 14a and is also formed by means of two partial bores.
- These cables extend from the control and regulating device 24 to the control plate 18 and from the control plate 18 to the drive motor 12.
- the electrical coupling element 28 can thus be understood as such in the form of the flange cable bushing alone or as a combination of the flange cable bushing with the cables described above.
- the electrical coupling element 28 additionally has a flange cable conduit which extends within the flange cable bushing.
- the flange 14 or the flange housing 14a also has a shaft tunnel 30.
- the shaft tunnel 30 is a cylindrical through recess in one
- one end 32a of a motor shaft 32 of the drive motor 12 and one end 34a of a pump shaft 34 of the fly hydraulic pump 16 are coupled in a rotationally fixed manner by means of a coupling 36.
- the coupling 36 is designed as a claw coupling with an integrated damping element 36a.
- the flange 14 forms a coupling area with the drive motor 12, the hydraulic pump 16 and with the control plate 18.
- the drive motor 12 and the flange 14 form a flange-side coupling region 38a on the motor side.
- the hydraulic pump 16 and the flange 14 form a coupling region 38b on the flange-pump side.
- control plate 18 on its broad side 18a and the flange 14 form a coupling area 40 on the flange-control plate side.
- the flange 14 or the flange housing 14a has a hydraulic connection 14b on the pump side and a hydraulic connection 14c on the control plate.
- the hydraulic pump 16 further comprises a first flange-side hydraulic connection 16a and the control plate 18 accordingly comprises a second flange-side hydraulic connection 18c.
- the flange housing 14a further comprises a bushing interface 14d on the motor side and a bushing interface 14e on the control plate side, each of which delimits the cable bushing 28 within the flange 14.
- the bushing interface 14d on the engine side and a bushing interface 14e on the control plate each form connection points or
- the control plate 18 also contains a control plate cable bushing 18d, which is delimited on the flange side by a flange-side bushing interface 18e.
- the flange-side hydraulic connection 16a of the hydraulic pump 16 are connected or coupled directly to one another at the flange-side pump-side coupling region 38b.
- the second flange-side hydraulic connection 18c of the control plate 18 and the control-plate-side hydraulic connection 14b of the flange 14 are in turn connected or coupled directly to one another at the flange-control plate-side coupling region 40.
- first and the second flange-side hydraulic connection 16a, 18c of the hydraulic pump 16 and the control plate 18 are connected to one another via the connector 26.
- control plate-side leadthrough interface 14e of the flange 14 and the flange-side leadthrough interface 18e of the control plate 18 are also directly connected to one another at the flange-control plate-side coupling area 40.
- a first seal 42 is arranged between the flange 14 and the hydraulic pump 16.
- the first seal 42 is arranged.
- Transition of the control plate-side hydraulic connection 14c of the flange 14 and the second flange-side hydraulic connection 18c of the control plate 18 is a second
- a third seal 46 is additionally arranged on the flange-control plate-side coupling region 40 at a transition between the control-plate-side bushing interface 14e of the flange 14 and the flange-side bushing interface 18e of the control plate 18.
- a further fourth seal 48 is also arranged between the flange 14 and the drive motor 12.
- the fourth seal 48 is arranged on the flange-motor-side coupling region 38a.
- a fifth seal 48a is arranged for sealing the shaft tunnel 30.
- a bearing device 50 for bearing the motor shaft 32 is arranged in the flange 14.
- the bearing device 50 is designed as a roller bearing, for example in the form of a ball bearing or cylindrical roller bearing, and is received on its outer ring in a housing shoulder of the flange housing 14a and secured by a locking ring.
- the housing shoulder connects axially to an end of the shaft tunnel 30 on the motor side and thus forms a stepped section of the shaft tunnel 30.
- the bearing device 50 is also received radially on its inner ring by means of a jacket surface of the motor shaft 32 and axially secured on a shaft shoulder.
- the drive motor 12 is designed as a brushless electric motor, in the space between the housing shoulder of the shaft tunnel 30 and the
- Main body of the drive motor 12 an additional control or
- Control electronics be arranged.
- the flange 14 can additionally have a further hydraulic bore (not shown in FIG. 3) by means of which the hydraulic tank 22 and the control plate 18 can be connected.
- the flange 14 can additionally or alternatively have a further hydraulic line, by means of which the hydraulic tank 22 and the control plate 18 can be connected.
- the flange 14 further comprises a heat sink (not shown in FIG. 3).
- the flange 14 or its flange housing 14a can have several cooling fins or cooling fins.
- the function of the hydraulic supply system 10 is that the hydraulic consumers of the rail vehicle (e.g. level control cylinders, power generators, other hydraulic functional elements) have a controlled or regulated, ie needs-based, hydraulic pressure or mass flow for the rail vehicle (e.g. level control cylinders, power generators, other hydraulic functional elements) have a controlled or regulated, ie needs-based, hydraulic pressure or mass flow for the rail vehicle (e.g. level control cylinders, power generators, other hydraulic functional elements) have a controlled or regulated, ie needs-based, hydraulic pressure or mass flow for
- the flange 14 has the function, the fly hydraulic pump 16 mechanically
- the flange 14 in the assembled state is designed as an integral or one-piece component of the electric motor 12.
- the flange 14 is used to forward the control and
- the drive motor 12 is designed to be uncontrolled and / or uncontrolled, so that the integrated control or regulation electronics can be omitted.
- a hydraulic connection between a pressure side of the hydraulic pump 16 and a pressure input of the control plate 18 can be provided through the flange 14 in order to supply the control plate 18 with hydraulic operating pressure as required.
- the flange 14 also has the function of a mechanical recording for the
- the flange 14 forms a central fastening point for the assembly consisting of the drive motor 12, flange 14 and fly hydraulic pump 16 on the
- Control plate 18 off. As shown in FIG. 3, both the drive motor 12 and the hydraulic pump are screwed to the flange 14 by means of screws.
- the flange 14 is in turn screwed to the control plate 18 by means of screws.
- the two ends 32a, 34a of the pump and motor shaft 32, 34 are also arranged within the flange 14 and can so in particular before the
- Hydraulic oil or the hydraulic fluid from the control plate 18 into the hydraulic tank 22 guaranteed.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019112677.0A DE102019112677A1 (de) | 2019-05-15 | 2019-05-15 | Hydraulikversorgungssystem für ein Fahrzeug |
PCT/EP2020/061162 WO2020229111A1 (de) | 2019-05-15 | 2020-04-22 | Hydraulikversorgungssystem für ein fahrzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3969753A1 true EP3969753A1 (de) | 2022-03-23 |
EP3969753B1 EP3969753B1 (de) | 2024-10-30 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
WO2020229111A1 (de) | 2020-11-19 |
DE102019112677A1 (de) | 2020-11-19 |
CN113825908A (zh) | 2021-12-21 |
US20220228582A1 (en) | 2022-07-21 |
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