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
  • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
  • B60K5/12—Arrangement of engine supports
  • B60K5/1208—Resilient supports
  • B60K5/1216—Resilient supports characterised by the location of the supports relative to the motor or to each other
• • 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
  • B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
  • B60K5/12—Arrangement of engine supports
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
  • B60Y2200/00—Type of vehicle
  • B60Y2200/10—Road Vehicles
  • B60Y2200/14—Trucks; Load vehicles, Busses

Definitions

• the invention relates to a device for engine mounting for a motor vehicle, preferably a commercial vehicle.
• DE 10 2009 018 010 A1 discloses a vehicle with a frame structure, the frame structure being formed, at least in sections, from a plurality of side members, cross members and vertical members arranged in a lattice structure.
• a flat element is introduced into at least one intermediate space formed from longitudinal beams, cross beams and / or vertical beams, or at least one flat element is arranged to cover the intermediate space, vehicle components being fastened to the flat element.
• DE 10 2013 004 804 A1 discloses a light metal vehicle suspension element.
• the light metal vehicle suspension element can have diagonal ribs in the manner of a grid pattern.
• An engine mount is received in a housing portion of the vehicle suspension member.
• DE 102 57 259 A1 discloses a front frame for a motor vehicle, with at least one longitudinal member with an extrusion profile running essentially in the longitudinal direction of the motor vehicle and a structural casting connected with it.
• the extrusion profile which is open on the side, can have a recess for holding a motor bearing on the frame.
• the object of the invention is to create an alternative and / or improved device for engine mounting for a motor vehicle, preferably a commercial vehicle.
• the device for engine mounting is suitable for a motor vehicle, preferably a commercial vehicle.
• the device has a (preferably metallic) inner lattice frame.
• the device has a plurality of side stiffening plates (eg inside stiffening plates and outside stiffening plates) which are used on both sides to form a sandwich structure with the inner lattice frame (eg outside, preferably outside on longitudinal outside of the inner lattice frame) (for example welded, glued, screwed and / or joined together to form a shape).
• the device has a first motor mount, which is arranged in an intermediate space in the inner lattice frame and is at least partially housed (for example in a housing, a housing or a housing).
• the device has a second motor mount which is arranged on the outside of one of the plurality of side stiffening plates (for example the inside stiffening plate) with respect to the inner lattice frame (preferably is detachably fastened).
• the side stiffening plates can advantageously perform several functions.
• the side stiffening plates have the function of stiffening the inner lattice frame.
• the side stiffening plates also reduce local stresses on the grid frame and the motor mount by supporting a bending moment caused by the weight of the mounted motor. In this way, local and global deflections of the frame support structure can also be prevented or at least reduced. Due to the stiffening effect, for example due to the housing, a construction of the engine mount can be simplified, for example with reduced stiffness, since the surrounding side stiffening plates take over the shear stiffening and parts of the load-bearing function.
• the first and / or the second engine mount can elastically support an engine (e.g. electric motor, internal combustion engine) directly, via holding elements on the engine, via a gear housing and / or via a flywheel housing.
• an engine e.g. electric motor, internal combustion engine
• the inner lattice frame can expediently have a plurality of rod elements arranged in a lattice structure.
• the bar elements can preferably be connected to one another at nodes, eg. B. welded, glued, screwed and / or joined together to form.
• the plurality of side stiffening plates can be designed as one- or multi-part sheet metal plates.
• the first engine mount is at least partially enclosed by the plurality of side stiffening plates.
• the first engine mount is housed on a rear, a bottom and / or an top of the engine mount.
• the first engine mount is accessible from the front of the first engine mount (e.g. the housing is partially open here).
• a front of the engine mount can face the engine and / or a rear of the engine mount can face away from the engine.
• the device has a top stiffening plate, which is preferably applied to the inside of the inner lattice frame and which preferably houses the first motor mount from above.
• the device has an underside stiffening plate, which is preferably applied from below to the inner lattice frame and preferably houses the first motor mount from below.
• the first motor mount has a motor connection area (eg one or more motor connection elements), which preferably extends outside the space and / or protrudes (eg inwards or in a direction towards the motor) over one of the several side stiffening plates (for example the inside stiffening plate) is arranged. This makes it easier to mount the motor, for example.
• a motor connection area eg one or more motor connection elements
• the first motor mount has a frame connection area, which is preferably fastened to at least one of the several side stiffening plates, preferably in a releasable manner (for example by means of one or more releasable fastening elements, for example screws).
• the first motor mount has a frame connection area, which preferably bears on a side of one of the plurality of side stiffening plates facing the inner lattice frame, preferably lying flat.
• the first motor mount is detachably fastened to the side stiffening plate, preferably screwed, via the frame connection area.
• the frame connection area is arranged on a rear side of the first motor mount and / or forms a rear side of the first motor mount.
• the device has one or more internal stiffening profiles, preferably hollow profiles, preferably cylindrical hollow profiles.
• the inner stiffening profiles for stiffening the device for motor mounting preferably extend between the several side stiffening plates (eg the inside stiffening plate and the outside stiffening plate).
• the one or more internal stiffening profiles can be formed separately from the lattice frame.
• the second motor mount is detachably fastened, preferably screwed, on both sides of the inner lattice frame to the respective side stiffening plates (eg inside stiffening plate and outside stiffening plate).
• the second motor mount has a frame connection area which preferably bears on a side of one of the plurality of side stiffening plates (for example the outside stiffening plate) facing away from the inner lattice frame, preferably lying flat.
• a motor mount connection element is integrated in the internal lattice frame (for example welded, glued, screwed and / or joined together to form a shape), to which the second motor mount, preferably detachably, is fastened.
• the motor bearing connection element is reinforced in relation to the inner lattice frame and / or the motor bearing connection element is formed in one piece and integrally.
• the motor bearing connection element is designed as a milled part, forged part or cast part.
• the device has one or more releasable fastening elements, preferably screws, which preferably each fasten the second motor bearing simultaneously to the motor bearing connection element and to the side stiffening plates applied in each case.
• the first engine mount is a rear engine mount with respect to the forward direction of travel of the motor vehicle and / or the second engine mount is a front engine mount with respect to the forward direction of travel of the motor vehicle.
• the device also has a third motor mount, which is arranged in an intermediate space in the lattice frame and at least partially housed, wherein the third engine mount is preferably arranged opposite the first engine mount (preferably on an opposite side of the engine, transmission and / or flywheel housing).
• the device has a fourth motor mount, which is fastened on the outside with respect to the lattice frame on one of the several side stiffening plates (for example the inner stiffening plate), the fourth motor mount preferably lying opposite the second motor mount (preferably on an opposite side) of the engine, transmission and / or flywheel housing) is arranged.
• the third motor mount can expediently be arranged and / or configured in accordance with the first motor mount.
• the fourth engine mount is arranged and / or configured in accordance with the second engine mount.
• the plurality of side stiffening plates can expediently at least partially have one or more material cutouts, preferably through holes.
• the weight of the side stiffening plates can be reduced by the material cutouts.
• the plurality of material cutouts is or are arranged in one or more areas of the side stiffening plates without overlap with a node of the inner lattice frame (for example from a node of rod elements of the lattice frame).
• the material cutouts are arranged in one or more areas of the plurality of side stiffening plates in overlap with a space between nodes of the inner lattice frame (for example from a node of rod elements of the lattice frame). This means that the material recesses can be positioned in low-stress areas, so that the weight saving does not come at the expense of the stiffening effect of the stiffening plates.
• the invention also relates to a motor vehicle, preferably a commercial vehicle (for example a truck or bus) with a device as disclosed herein.
• Figure 1 is a perspective view of a device for engine mounting as part of a
• Figure 2 is an exploded view of the engine mounting device of Figure 1;
• Figure 3 is a front view (view on the inside) of the device for engine mounting
• Figure 4 is a sectional view of the engine mounting device taken along a line A-A in
• Figure 5 is a sectional view of the engine mounting device taken along a line B-B in
• FIG. 6 shows a perspective view of a further device for engine mounting as part of a frame support structure for a commercial vehicle according to the present disclosure
• Figure 7 is an exploded view of the further engine mounting device of Figure 6;
• FIG. 8 shows a front view (view on the inside) of the further device for the engine mounting of FIGS. 6 and 7;
• Figure 9 is a sectional view of the engine mounting device taken along a line C-C in
• Figure 10 is a sectional view of the engine mounting device taken along a line D-D in
• the exemplary devices for engine mounting shown in the figures are integrated in a frame support structure for a motor vehicle, preferably a commercial vehicle.
• the commercial vehicle can be, for example, a truck, preferably a tractor unit.
• a forward direction of travel of the commercial vehicle is identified by an arrow V in FIG. 1 and FIG.
• the frame support structure is essentially formed from a lattice frame which is provided with outer stiffening plates.
• the lattice frame is formed by bar elements.
• the bar elements are connected to each other at nodes. The connection can be made, for example, by screwing, welding and / or gluing.
• the rod elements can have any cross-section, for example square tube (as shown), round tube, U-profile, omega profile or C-profile.
• Figures 1 to 5 show a device 10 for engine mounting.
• the device 10 can expediently be arranged with respect to the forward driving direction of the motor vehicle for mounting a rear section of the motor, for example an electric motor or an internal combustion engine.
• the engine can then be mounted, for example, on its rear section or via a flywheel housing or via a gear housing on both sides by means of a device for engine mounting in accordance with device 10.
• the device 10 has a lattice frame 12.
• the lattice frame 12 is formed from a plurality of rod elements 14 which are connected to one another.
• the bar elements 14 are shown as square tubes, for example.
• the rod elements 14 can run in different spatial directions, for example horizontally, vertically, transversely, lengthwise, etc.
• the rod elements 14 form an intermediate space 16.
• a motor bearing 18 is arranged in the intermediate space 16.
• the space 16 is formed, for example, between two lateral outer vertical bar elements 14 and an upper horizontal bar element 14.
• the two lateral vertical bar elements 14 are spaced apart from one another in a longitudinal direction of the motor vehicle.
• the upper horizontal bar element 14 connects the two lateral vertical bar elements 14 to one another.
• the device 10 has, for example, elastic motor mount 18 (also referred to herein as the first motor mount).
• the engine mount 18 can preferably be a rear engine mount, for example one of two rear, opposite engine mounts, e.g. B. a four-point engine mount.
• the engine mount 18 is arranged in the intermediate space 16.
• the motor mount 18 extends out of the intermediate space 16 with its motor connection elements 20.
• the motor connection elements 20 can be in the form of bolts or screws may be provided.
• the motor connection elements 20 form the motor connection area of the motor mount 18, on which the motor is supported directly or indirectly.
• the engine mount 18 is partially enclosed.
• the housing of the motor mount 18 is formed by a plurality of stiffening plates 22, 24 and 26 of the device 10, namely the inside stiffening plate 22, the top stiffening plate 24 and the outside stiffening plate 26.
• the housing can also be formed by additional or alternative stiffening plates ,
• the inner side stiffening plate 22 forms an opening area 22A of the housing or a material cutout, from which the motor mount 18 extends.
• the opening area 22A houses a front side of the motor mount 18 on three sides, expediently from above and from both outer vertical sides.
• the inner side stiffening plate 22 is applied to an (inner) long side of the grid frame 12.
• the top stiffening plate 24 houses the motor mount 18 on its top or from above.
• the top stiffening plate 24 is applied to a top of the grid frame 12.
• the outside stiffening plate 26 houses the motor mount 18 on the rear or from the rear.
• the outside stiffening plate 26 is applied to an (outer) long side of the grid frame 12.
• the inside stiffening plate 22 and the outside stiffening plate 26 are spaced apart in a transverse direction of the device 10, which corresponds to a transverse direction of the motor vehicle.
• the inside stiffening plate 22 and the outside stiffening plate 26 form the longitudinal side walls of the device 10.
• the inside stiffening plate 22 is directed inwards, that is to the engine.
• the outside stiffening plate 26 is directed outwards, that is away from the engine.
• the lattice frame 12 and the stiffening plates 22 and 26 applied on both sides form a sandwich structure.
• the lattice frame 12 is designed in a sandwich construction together with the inside stiffening plate 22 and the outside stiffening plate 26.
• an underside stiffening plate (not shown) to house the engine mount 18 from below.
• the motor mount 18 is arranged in the intermediate space 16 in such a way that it lies flat against the inside of the outer stiffening plate 26 with a first frame connection area 28.
• the motor mount 18 is fastened to the outside stiffening plate 26 via a plurality of releasable fastening elements (not shown), preferably screws.
• the releasable fastening elements engage in the first frame connection area 28.
• the releasable fastening elements expediently extend through through holes which are aligned or aligned with one another in the first frame connection region 28 and the outside stiffening plate 26.
• the releasable fastening elements can, for example, be secured on the outside on the outside stiffening plate 26 by nuts (not shown).
• the motor mount 18 can also have alternative or additional frame connection areas, for example those which extend between the inner side reinforcement plate 22 and the outer side reinforcement plate 26 and connect these to one another.
• One or more releasable fastening elements could then extend through through holes aligned or aligned in the inside stiffening plate 22, the frame connection area and the outside stiffening plate 26.
• the releasable fastening elements could then expediently connect the motor mount 18 to both the inside stiffening plate 22 and the outside stiffening plate 26.
• stiffening profiles 30 can expediently be arranged in an area around the motor mount 18.
• the stiffening profiles 30 can have, for example, a hollow cylindrical shape, as shown.
• the stiffening profiles 30 connect the inside stiffening plate 22 and the outside stiffening plate 26 to one another.
• the stiffening profiles 30 can also serve, for example, as spacers between the stiffening plates 22 and 26.
• Figures 6 to 10 show another device 1 10 for engine mounting.
• the device 110 can expediently be arranged with respect to the forward direction of travel of the motor vehicle for mounting a front section of the motor, for example an electric motor or an internal combustion engine.
• the engine can then, for example, be mounted on both sides of its front section by means of a device for engine mounting in accordance with device 110.
• the device 110 has, in a similar way to the device 10 of FIGS. 1 to 5, a lattice frame, stiffening plates and an engine mount.
• a lattice frame stiffening plates and an engine mount.
• parts are similar to io
• Parts of the device 10 are, with the same reference numerals as in Figures 1 to 5 with the addition of 1, i.e. in the 100 or 1 xx range.
• the device 1 10 has a lattice frame 1 12.
• the lattice frame 1 12 is formed from a plurality of interconnected rod elements 1 14. Due to the large number of rod elements 1 14, not all rod elements 1 14 are identified separately in FIGS. 6 to 10.
• the rod elements 1 14 are exemplified as square tubes.
• the bar elements 114 can run in different spatial directions, for example horizontally, vertically, transversely, lengthwise, etc.
• the device 110 has an inside stiffening plate 122 and an outside stiffening plate 126.
• the inside stiffening plate 122 and the outside stiffening plate 126 are spaced apart in a transverse direction of the device 110, which corresponds to a transverse direction of the motor vehicle.
• the inside stiffening plate 122 and the outside stiffening plate 126 form the longitudinal side walls of the device 110.
• the inside stiffening plate 122 is directed inwards, that is to the engine.
• the outside stiffening plate 126 is directed outwards, that is away from the engine.
• the inner side stiffening plate 122 is applied to an (inner) long side of the lattice frame 1 12.
• the outside stiffening plate 126 is applied to an (outer) long side of the grid frame 1 12.
• the lattice frame 112 and the stiffening plates 122 and 126 applied on both sides form a sandwich structure.
• the lattice frame 1 12 is designed in a sandwich construction together with the inside stiffening plate 122 and the outside stiffening plate 126.
• the device 1 10 has, for example, elastic motor mount 1 18 (also referred to herein as second motor mount).
• the engine mount 118 can preferably be a front engine mount, for example one of two front, opposite engine mounts, e.g. B. a four-point engine mount.
• the motor mount 1 18 is arranged on the outside of the inner stiffening plate 122 with respect to the lattice frame 1 12. In other words, the engine mount 118 is arranged on the inside of the inner stiffening plate 122 with respect to an overall frame of the motor vehicle.
• the motor mount 118 has a motor connection element 120 in the form of bolts or screws.
• the motor connection element 120 forms the motor connection area of the motor bearing 118, on which the motor is supported, for example, directly or via holding elements fastened to the motor.
• the motor mount 1 18 is detachably fastened to the inner lattice frame 1 12 as well as to the side stiffening plates 122, 126.
• a motor bearing connection element 132 is integrated in the inner lattice frame 1 12.
• The, in particular metallic, motor mount connection element 132 can be formed in one piece-integrally, for example as a milled part, forged part or cast part.
• the motor bearing connection element 132 is connected to the rod elements of the lattice frame 1 12, for. B. welded, glued, screwed and / or joined forming.
• the motor bearing connection element 132 is reinforced in relation to the lattice frame 1 12. In the lattice frame 1 12 one or more additional connection elements can be integrated, for. B. for chassis connection.
• a plurality of releasable fastening elements (not shown), preferably screws, fasten the motor bearing 118 to the motor bearing connection element 132 and to the side stiffening plates 122, 126 at the same time.
• the releasable fastening elements can be arranged through correspondingly aligned or aligned holes in a frame connection area 128 of the engine mount 118, the engine mount connection element 132 and the side stiffening plate 122, 126.
• through holes that are aligned with one another can be formed in the side stiffening plates 122, 126 and the motor bearing connection element 132 and thus aligned blind or through holes in the frame connection area 128 of the motor bearing 118.
• the releasable fastening elements can, for example, be pushed through the through holes from the outside, that is to say starting from one side of the outside stiffening plate 126, and screwed into the blind holes in the frame connection area 128, for example.
• additional sleeve element 134 can be provided which extend through the through holes in the frame connection region 128 and the side stiffening plates 122, 126.
• the releasable fastening elements can be accommodated in the sleeve elements 134. This can enable, for example, uniform load introduction into the side stiffening plates 122, 126 and the motor connection element 132.
• the stiffening plate 22, 24, 26, 122 and / or 126 can for example be sheet metal stiffening plates.
• the stiffening plates 22, 24, 26, 122 and / or 126 are attached to the outside of the lattice frame 12 or 1 12.
• the stiffening plates 22, 24, 26, 122 and / or 126 can, for example, be welded (eg by means of spot welding), glued and / or screwed onto the inner lattice frame 12 or 1 12. It is also possible for the stiffening plates 22, 24, 26, 122 and / or 126 and the inner lattice frame 12 or 1 12 are connected by means of a forming joining process, for example by means of clinching.
• the stiffening plates 22, 24, 26, 122 and / or 126 can each be formed in one part or in several parts.
• the stiffening plates 22, 24, 26, 122 and / or 126 can have a plurality of material cutouts, for example in the form of through holes.
• the material cutouts allow weight to be saved essentially without reducing the stiffening effect by the stiffening plates 22, 24, 26, 122 and / or 126.
• the material cutouts are in particular arranged exclusively in low-stress areas. For example, material cutouts are arranged where there are rod-free gaps between rod elements of the lattice frame 12 or 1 12.
• the material cutouts are preferably not arranged where there are nodes of the lattice frame 12 or 112 (for example connections between different rod elements 14 or 114).
• the material cutouts are limited in such a way that their outer contours are at least partially surrounded by rod elements 14 or 1 14 of the lattice frame 12 or 112, which are still supported by the stiffening plates 22, 24, 26, 122 and / or 126 are limited.
• the outer contours of the material cutouts thus at least partially follow the rod elements 14 or 1 14.

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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)
• Body Structure For Vehicles (AREA)
• Motor Or Generator Frames (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

ID=67226253

Family Applications (1)

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Citations (7)

Family Cites Families (17)

• 2018
  • 2018-07-16 DE DE102018117092.0A patent/DE102018117092B4/de active Active
• 2019
  • 2019-07-08 BR BR112020025393-6A patent/BR112020025393A2/pt unknown
  • 2019-07-08 CN CN201980046695.8A patent/CN112399927A/zh active Pending
  • 2019-07-08 WO PCT/EP2019/068268 patent/WO2020016042A1/de unknown
  • 2019-07-08 EP EP19737721.1A patent/EP3823853A1/de active Pending

Patent Citations (7)

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