CN115447672A - Automobile engine cabin structure and automobile - Google Patents
Automobile engine cabin structure and automobile Download PDFInfo
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- CN115447672A CN115447672A CN202211306292.2A CN202211306292A CN115447672A CN 115447672 A CN115447672 A CN 115447672A CN 202211306292 A CN202211306292 A CN 202211306292A CN 115447672 A CN115447672 A CN 115447672A
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- 230000000712 assembly Effects 0.000 abstract description 5
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- 239000010959 steel Substances 0.000 description 18
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- 239000000969 carrier Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/082—Engine compartments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/16—Mud-guards or wings; Wheel cover panels
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Abstract
The invention provides an automobile engine compartment structure and an automobile, wherein the engine compartment structure comprises a wheel cover assembly, a cross beam assembly and a longitudinal beam assembly; the wheel cover assembly comprises a left front wheel cover assembly and a right front wheel cover assembly, and the longitudinal beam assembly comprises a left front longitudinal beam assembly and a right front longitudinal beam assembly; the left front longitudinal beam assembly and the right front longitudinal beam assembly are arranged side by side and are respectively positioned on two sides of a central axis F of the frame; the bottom of the left front wheel cover assembly is fixedly connected to the left front longitudinal beam assembly, and the bottom of the right front wheel cover assembly is fixedly connected to the right front longitudinal beam assembly; one end of the beam assembly is fixedly connected to the left front wheel cover assembly, and the other end of the beam assembly is fixedly connected to the right front wheel cover assembly; an engine compartment is formed in the area where the beam assembly, the wheel cover assembly and the longitudinal beam assembly are connected; the automobile engine compartment structure provided by the invention has the advantages of strong collision resistance, simple structure and process, and strong universality for effectively improving the torsional rigidity of the left and right longitudinal beam assemblies.
Description
Technical Field
The invention belongs to the technical field of automobile engine compartment structures, and particularly relates to an automobile engine compartment structure.
Background
With the continuous development of automobile technology, the requirements of consumers on automobile NVH and safety performance are increasingly improved, and the automobile safety becomes a reference factor for the consumers to buy the automobiles; therefore, the good safety performance/NVH performance can improve the purchase rate and the selling price of the whole vehicle.
When the automobile is impacted from the front, the engine compartment structure of the automobile body absorbs certain impact energy and simultaneously slows down the movement degree of passengers in the automobile, meanwhile, the engine compartment structure needs to be firm enough and have deformation resistance, and the engine compartment structure is very important for ensuring that the passengers have enough living space in the rear stage of the collision process.
The engine compartment assembly of the bearing type body-in-white is very important, and the engine compartment structural assembly mainly comprises mounting carriers such as an engine (or motor drive) system, a chassis suspension system, a gearbox system, a radiator and the like, bears severe various load effects, and is a mounting carrier for accessories such as an automobile water tank, a battery, a liquid pot and the like; furthermore, the vehicle body engine compartment assembly mainly comprises a headlamp beam, a water tank beam, a front wheel cover outer plate, a left front longitudinal beam inner outer plate, a right front longitudinal beam outer plate, a reinforcing plate, an anti-collision beam, an energy absorption box, a front baffle assembly and various small brackets, and not only can the front part absorb collision energy, but also can the transmission of collision force values of the passenger compartment be ensured.
The front baffle assembly of the car body is also called a firewall assembly, is a division surface of a passenger cabin and an engine cabin, is a connecting piece for connecting the engine cabin assembly, a floor assembly and a side wall assembly, and is an installation carrier of air conditioner accessories, steering gear accessories, front windshield glass, a windscreen wiper, a pedal plate and a middle instrument board beam; the front baffle assembly mainly comprises a front baffle body, a front baffle beam, a steering column mounting bracket, a launder inner plate and a launder outer plate and the like.
Meanwhile, the front cabin assembly is an important component of the whole vehicle body framework and plays a very key role in the torsional rigidity/mode of the whole vehicle body framework; good front hatch assembly design is important for torsional stiffness and modal and crash capability transfer of the body-in-white/full vehicle.
The technical problems existing in the structural design of the engine compartment based on the vehicle body are not provided with relevant solutions; there is therefore a pressing need to find effective solutions to the above problems.
Disclosure of Invention
The invention aims to provide an automobile engine compartment structure and an automobile aiming at the defects in the prior art so as to meet the NVH and safety performance requirements of the existing automobile engine compartment.
The invention provides an automobile engine compartment structure, which comprises a wheel cover assembly, a cross beam assembly and a longitudinal beam assembly, wherein the wheel cover assembly is arranged on the wheel cover assembly; the wheel cover assembly comprises a left front wheel cover assembly and a right front wheel cover assembly, and the longitudinal beam assembly comprises a left front longitudinal beam assembly and a right front longitudinal beam assembly; the left front longitudinal beam assembly and the right front longitudinal beam assembly are arranged side by side and are respectively positioned on two sides of a central axis F of the frame; the bottom of the left front wheel cover assembly is fixedly connected to the left front longitudinal beam assembly, and the bottom of the right front wheel cover assembly is fixedly connected to the right front longitudinal beam assembly; one end of the beam assembly is fixedly connected to the left front wheel cover assembly, and the other end of the beam assembly is fixedly connected to the right front wheel cover assembly; the areas where the cross beam assemblies, the wheel cover assemblies and the longitudinal beam assemblies are connected form an engine compartment.
Furthermore, the engine compartment structure also comprises a longitudinal beam wheel cover connecting assembly and a wheel cover upper stiffening beam, wherein the longitudinal beam wheel cover connecting assembly comprises a left front longitudinal beam wheel cover connecting assembly and a right front longitudinal beam wheel cover connecting assembly, and the wheel cover upper stiffening beam comprises a left front wheel cover upper stiffening beam and a right front wheel cover upper stiffening beam; the left front wheel cover upper reinforcing beam is fixedly connected to the upper surface of the left front wheel cover assembly, and the right front wheel cover upper reinforcing beam is fixedly connected to the upper surface of the right front wheel cover assembly; the bottom of the left front longitudinal wheel cover connecting assembly is fixedly connected to the front end of the left front longitudinal wheel assembly, and the top of the left front longitudinal wheel cover connecting assembly is fixedly connected to the bottom of the reinforcing beam on the left front wheel cover; the bottom of the right front longitudinal beam wheel casing connecting assembly is fixedly connected to the front end of the right front longitudinal beam assembly, and the top of the right front longitudinal beam wheel casing connecting assembly is fixedly connected to the bottom of the reinforcing beam on the right front wheel casing.
Further, the beam assembly comprises an upper beam and a lower beam which are integrally formed through metal respectively, and the connecting surface of the upper beam and the lower beam is a concave surface; the upper cross beam and the lower cross beam are fixedly connected together through respective concave surfaces, so that a cross beam body is formed; a cavity structure with a closed side wall is formed in the beam body.
Furthermore, the beam assembly further comprises a beam left connecting support and a beam right connecting support, and the beam left connecting support and the beam right connecting support are integrally formed through metal respectively; the beam left connecting bracket is fixedly connected to one end of the left side of the beam body, and the beam right connecting bracket is fixedly connected to one end of the right side of the beam body; the beam assembly is fixedly connected with the left front wheel cover assembly through the beam left connecting support, and the beam assembly is fixedly connected with the right front wheel cover assembly through the beam right connecting support.
Furthermore, the left front wheel cover assembly comprises a left front wheel cover, a left front wheel cover first front connecting plate and a left front wheel cover second front connecting plate, the left front wheel cover is integrally formed through metal, and the left front wheel cover first front connecting plate and the left front wheel cover second front connecting plate are integrally formed through metal respectively; the left front wheel cover first front connecting plate and the left front wheel cover second front connecting plate are fixedly connected with the lapping surface of the left front wheel cover through a self-piercing riveting process or a welding process respectively;
furthermore, the right front wheel cover assembly comprises a right front wheel cover, a right front wheel cover first front connecting plate and a right front wheel cover second front connecting plate, the right front wheel cover is integrally formed through metal, and the right front wheel cover first front connecting plate and the right front wheel cover second front connecting plate are integrally formed through metal respectively; the first front connecting plate of the right front wheel cover and the second front connecting plate of the right front wheel cover are fixedly connected with the lapping surface of the right front wheel cover through a self-piercing riveting process or a welding process respectively.
Furthermore, the left front longitudinal wheel cover connecting assembly comprises a left front longitudinal wheel cover first connecting beam, a left front longitudinal wheel cover second connecting beam and a left front longitudinal wheel cover third connecting beam; the left front longitudinal beam wheel cover first connecting beam, the left front longitudinal beam wheel cover second connecting beam and the left front longitudinal beam wheel cover third connecting beam are integrally formed by metal respectively; the first connecting beam of the wheel cover of the left front longitudinal beam, the second connecting beam of the wheel cover of the left front longitudinal beam and the third connecting beam of the wheel cover of the left front longitudinal beam are spot-welded or CO-welded 2 Fixedly connected together by welding or riveting or bolt or casting integral forming, thereby forming the left front longitudinal beam wheel cover connecting assemblyForming; the first connecting beam of the left front longitudinal wheel cover and the second connecting beam of the left front longitudinal wheel cover are fixedly connected together through concave surfaces respectively, so that a cavity structure is formed;
furthermore, the right front longitudinal beam wheel cover connecting assembly comprises a right front longitudinal beam wheel cover first connecting beam, a right front longitudinal beam wheel cover second connecting beam and a right front longitudinal beam wheel cover third connecting beam; the right front longitudinal beam wheel cover first connecting beam, the right front longitudinal beam wheel cover second connecting beam and the right front longitudinal beam wheel cover third connecting beam are integrally formed through metal respectively; the first connecting beam of the wheel cover of the front right longitudinal beam, the second connecting beam of the wheel cover of the front right longitudinal beam and the third connecting beam of the wheel cover of the front right longitudinal beam are welded by spot welding or CO 2 Fixedly connecting the front right longitudinal beam wheel cover and the front right longitudinal beam wheel cover together in an integrally formed manner through welding, riveting, bolts or casting; the first connecting beam of the front right longitudinal beam wheel cover and the second connecting beam of the front right longitudinal beam wheel cover are fixedly connected together through the concave surface respectively, so that a cavity structure is formed.
Furthermore, the left front wheel cover upper stiffening beam comprises a left front wheel cover upper stiffening beam outer plate and a left front wheel cover upper stiffening beam inner plate; the outer plate of the stiffening beam on the left front wheel cover and the inner plate of the stiffening beam on the left front wheel cover are integrally formed by metal respectively; the left front wheel cover upper stiffening beam outer plate and the left front wheel cover upper stiffening beam inner plate are fixedly connected together through welding, bolts, riveting or casting integrated into a whole, so that an integrated structure is formed.
Further, the right front wheel cover upper stiffening beam comprises a right front wheel cover upper stiffening beam outer plate and a right front wheel cover upper stiffening beam inner plate; the outer plate of the stiffening beam on the right front wheel cover and the inner plate of the stiffening beam on the right front wheel cover are integrally formed by metal respectively; the right front wheel cover upper stiffening beam outer plate and the right front wheel cover upper stiffening beam inner plate are fixedly connected together through welding, bolts, riveting or casting integrated forming, and therefore an integrated structure is formed.
Furthermore, the engine compartment structure also comprises a front baffle assembly and a protective beam; the front baffle assembly is formed by spot welding or CO 2 The welding or riveting or bolt or casting integrated molding is respectively fixedly connected with the wheel cover assembly, the cross beam assembly and the longitudinal beam assembly and is positioned at the rear side of the engine compartment; one end of the protective beam is fixedly connected withThe other end of the protective cross beam is fixedly connected with the front end of the right front longitudinal beam assembly and is positioned on the front side of the engine compartment.
Furthermore, one end of the cross beam assembly is fixedly connected to the left front wheel cover assembly through a plurality of connecting bolts or welding, and the other end of the cross beam assembly is fixedly connected to the right front wheel cover assembly through a plurality of connecting bolts or welding.
Furthermore, reinforcing ribs or supporting plates or patch plates or cover plates are respectively arranged on the wheel cover assembly, the cross beam assembly and the longitudinal beam assembly, and the supporting plates or patch plates or cover plates are metal plates.
Further, the left front longitudinal beam assembly and the right front longitudinal beam assembly are respectively symmetrical to the XZ plane of the frame.
Further, the left front wheel cover assembly and the right front wheel cover assembly are respectively symmetrical to the XZ plane of the frame.
Furthermore, the left front longitudinal beam wheel cover connecting assembly and the right front longitudinal beam wheel cover connecting assembly are respectively symmetrical with the XZ plane of the frame.
Furthermore, the left front wheel cover upper reinforcing beam and the right front wheel cover upper reinforcing beam are respectively symmetrical with the XZ plane of the frame.
Correspondingly, the invention further provides an automobile which comprises the automobile engine compartment structure.
The invention provides an automobile engine cabin structure, which has obvious improvement on the torsional rigidity, the mode and the dynamic rigidity of a body-in-white framework assembly, and greatly enhances the anti-collision deformation capability of a front cabin; by taking a certain compact vehicle as an example, the front cabin assembly with the structure is adopted, so that the torsional rigidity of the white vehicle body skeleton assembly is improved by 7%, the modal lifting is improved by 2Hz, the safe collision performance is improved by 10%, the front collision safety performance is obviously improved, the collision energy can be well transmitted, and the passenger cabin and the battery pack can be effectively protected; meanwhile, the engine compartment structure can be additionally provided with a plurality of mounting points, so that the mounting points are provided for accessories of different engine compartments, the arrangement structure is simple, the connection process is simple, and the implementation is convenient.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The invention will be further explained with reference to the drawings, in which:
FIG. 1 is a schematic view of an upper cross beam structure according to the present invention;
FIG. 2 is a schematic view of the structure of the lower beam of the present invention;
FIG. 3 is a schematic view of the left beam connecting bracket of the present invention;
FIG. 4 is a schematic view of the right cross beam connecting bracket of the present invention;
FIG. 5 is a schematic view of a beam assembly of the present invention;
FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of the outer plate of the reinforcing beam on the left front wheel cover according to the present invention;
FIG. 8 is a schematic view of the inner panel of the stiffening beam on the left front wheel cover according to the present invention;
FIG. 9 is a schematic view of the left front wheel cover configuration of the present invention;
FIG. 10 is a left front wheel cover first front web of the present invention;
FIG. 11 is a second front web of the left front wheel cover of the present invention;
FIG. 12 is a left front longitudinal wheel cover first connecting beam of the present invention;
FIG. 13 is a left front side rail wheel house second coupling beam of the present invention;
FIG. 14 is a third connecting beam for the left front side rail wheel house of the present invention;
FIG. 15 is a left side view of the left front side rail wheel house connection assembly of the present invention;
FIG. 16 is a right side view of the left front side rail wheel house connection assembly of the present invention;
FIG. 17 is a cross-sectional view taken along line B-B of FIG. 15 in accordance with the present invention;
FIG. 18 is a schematic view of a left front wheel cover assembly of the present invention;
FIG. 19 is a first structural view of the engine compartment of the present invention;
FIG. 20 is a second schematic illustration of the nacelle construction of the present invention;
fig. 21 is a partial view of the engine compartment structure of the present invention.
In the figure: 1. an upper cross beam; 2. a lower cross beam; 3. the left cross beam is connected with a bracket; 4. the beam right connecting bracket; 5. a reinforcing beam outer plate is arranged on the left front wheel cover; 6. a stiffening beam inner plate is arranged on the left front wheel cover; 7. a left front wheel cover; 8. a left front wheel cover first front connecting plate; 9. a left front wheel cover second front connecting plate; 10. a left front longitudinal beam wheel casing first connecting beam; 11. a left front longitudinal beam wheel casing second connecting beam; 12. a third connecting beam of the left front longitudinal beam wheel cover; 13. the left front longitudinal beam wheel cover connecting assembly; 14. a left front wheel cover assembly; 15. a beam assembly; 16. a front baffle assembly; 17. a stiffening beam is arranged on the right front wheel cover; 18. a right front rail assembly; 19. the right front longitudinal beam wheel cover connecting assembly; 20. a left front rail assembly; 21. a stiffening beam is arranged on the left front wheel cover; 22. installing a bolt; 23. and the cross beam is protected.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
As shown in fig. 19 to 20, the present invention provides an automobile engine room structure, which includes a wheel house assembly, a cross member assembly 15, and a side member assembly; the wheel cover assembly comprises a left front wheel cover assembly 14 and a right front wheel cover assembly, and the longitudinal beam assembly comprises a left front longitudinal beam assembly 20 and a right front longitudinal beam assembly 18; the left front longitudinal beam assembly 20 and the right front longitudinal beam assembly 18 are arranged side by side and are respectively positioned on two sides of a central axis F of the frame; the bottom of the left front wheel cover assembly 14 is fixedly connected to a left front longitudinal beam assembly 20, and the bottom of the right front wheel cover assembly is fixedly connected to a right front longitudinal beam assembly 18; one end of the beam assembly 15 is fixedly connected to the left front wheel cover assembly 14, and the other end of the beam assembly 15 is fixedly connected to the right front wheel cover assembly; by adopting the structural design and connection, an engine compartment is formed in a region where the beam assembly 15, the wheel cover assembly and the longitudinal beam assembly are connected, so that an engine can be installed; according to the automobile engine compartment structure, the wheel cover assembly, the cross beam assembly 15 and the longitudinal beam assembly can be connected through welding, bolts and rivets to form the engine compartment structure, the engine compartment structure is strong in collision resistance, simple in structure and process, and strong in universality, and the torsional rigidity of the left longitudinal beam assembly and the right longitudinal beam assembly can be effectively improved.
Preferably, in combination with the above solutions, as shown in fig. 19 to 20, the present invention provides an automobile engine compartment structure further including a longitudinal beam wheel cover connecting assembly and a wheel cover upper reinforcing beam; the longitudinal beam wheel cover connecting assembly comprises a left front longitudinal beam wheel cover connecting assembly 13 and a right front longitudinal beam wheel cover connecting assembly 19, and the wheel cover upper reinforcing beam comprises a left front wheel cover upper reinforcing beam 21 and a right front wheel cover upper reinforcing beam 17; the left front wheel cover upper reinforcing beam 21 is fixedly connected to the upper surface of the left front wheel cover assembly 14, and the right front wheel cover upper reinforcing beam 17 is fixedly connected to the upper surface of the right front wheel cover assembly; further, the left front longitudinal wheel cover connecting assembly 13 is connected between the left front longitudinal wheel assembly 20 and the left front wheel cover upper reinforcing beam 21 along the vertical direction, the bottom of the left front longitudinal wheel cover connecting assembly 13 is fixedly connected to the front end of the left front longitudinal wheel assembly 20, and the top of the left front longitudinal wheel cover connecting assembly 13 is fixedly connected to the bottom of the left front wheel cover upper reinforcing beam 21; correspondingly, the bottom of the right front longitudinal beam wheel cover connecting assembly 19 is fixedly connected to the front end of the right front longitudinal beam assembly 18, and the top of the right front longitudinal beam wheel cover connecting assembly 19 is fixedly connected to the bottom of the right front longitudinal beam upper reinforcing beam 17.
Preferably, in combination with the above solutions, as shown in fig. 1 to 6, the beam assembly 15 includes an upper beam 1 and a lower beam 2, the upper beam 1 and the lower beam 2 are respectively integrally formed by metal, specifically, integrally formed by stamping or casting a steel plate or an aluminum plate, and a connecting surface of the upper beam 1 and the lower beam 2 is a concave surface; specifically, the thickness of the upper cross beam 1 and the lower cross beam 2 can be designed according to different specifications according to strength requirements, the requirements on safety performance and NVH performance can be met by adjusting the thickness of a metal plate or the strength of a steel plate or an aluminum plate material, different vehicles correspond to different safety collision requirements, and local reinforcement can be carried out in a mode of locally adding a patch plate or a supporting plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; further, the upper beam 1 and the lower beam 2 are fixedly connected together through respective concave surfaces, so that a beam body is formed; in particular, a cavity structure with closed side walls is formed in the beam body, so that the deformation resistance of the structure in collision safety and the function of transferring collision energy can be greatly improved.
Preferably, with the above scheme, as shown in fig. 1 to 6, the beam assembly 15 further includes a left beam connecting bracket 3 and a right beam connecting bracket 4, the left beam connecting bracket 3 and the right beam connecting bracket 4 are respectively integrally formed by metal, specifically, a steel plate or an aluminum plate is integrally formed by stamping or casting, and the thicknesses of the left beam connecting bracket 3 and the right beam connecting bracket 4 can be designed according to different specifications of sizes and materials according to strength requirements; the crossbeam left connecting bracket 3 is fixedly connected to one end of the left side of the crossbeam body, and the crossbeam right connecting bracket 4 is fixedly connected to one end of the right side of the crossbeam body; the crossbeam assembly 15 is fixedly connected with the left front wheel cover assembly 14 through the crossbeam left connecting bracket 3, and the crossbeam assembly 15 is fixedly connected with the right front wheel cover assembly through the crossbeam right connecting bracket 4; further, in order to enhance the strength of the left beam connecting bracket 3 and the right beam connecting bracket 4, a patch plate or a cover plate or a corresponding reinforcing structure can be added.
Preferably, with reference to the above solutions, as shown in fig. 9, fig. 10, fig. 11 and fig. 19, the left front wheel cover assembly 14 includes a left front wheel cover 7, a left front wheel cover first front connecting plate 8 and a left front wheel cover second front connecting plate 9, the left front wheel cover 7 is integrally formed by metal, specifically, may be formed by die-cast aluminum process, the left front wheel cover first front connecting plate 8 and the left front wheel cover second front connecting plate 9 are respectively integrally formed by metal, specifically, may be integrally formed by steel plate or aluminum plate or cast molding, wherein the thicknesses of the samples of the left front wheel cover first front connecting plate 8 and the left front wheel cover second front connecting plate 9 may be designed according to different specifications of strength requirements, and the requirements for safety performance and NVH performance may be met by adjusting the thickness of a sheet metal or the strength of a steel plate or an aluminum plate, different vehicles may also be locally reinforced by locally adding a plate patch or a support plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; the left front wheel cover first front connecting plate 8 and the left front wheel cover second front connecting plate 9 are fixedly connected with the overlapping surface of the left front wheel cover 7 through a self-piercing riveting process (namely, SPR technology) or a welding process and other connecting processes;
preferably, in combination with the above solutions, referring to fig. 9, 10, 11 and 19, the right front wheel cover assembly includes a right front wheel cover, a right front wheel cover first front connecting plate, and a right front wheel cover second front connecting plate, where the right front wheel cover is integrally formed by metal, specifically formed by die-cast aluminum process, the right front wheel cover first front connecting plate and the right front wheel cover second front connecting plate are respectively integrally formed by metal, specifically formed by integral punch forming or casting forming of a steel plate or an aluminum plate, the thicknesses of the right front wheel cover first front connecting plate and the right front wheel cover second front connecting plate may be designed in different specifications according to strength requirements, and the requirements for safety performance and NVH performance may be met by adjusting the thickness of a metal plate or the strength of a steel plate or an aluminum plate, and different vehicles may also be locally reinforced by locally adding a patch plate or a support plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; the first front connecting plate of the right front wheel cover and the second front connecting plate of the right front wheel cover are fixedly connected with the overlapping surface of the right front wheel cover through a self-piercing riveting process (namely, SPR technology) or a welding process and other connecting processes.
Preferably, in combination with the above solution, as shown in fig. 12 to 17, the left front side wheel casing connecting assembly 13 includes a left front side wheel casing first connecting beam 10, a left front side wheel casing second connecting beam 11, and a left front side wheel casing third connecting beam 13; first tie-beam 10 of left front longitudinal wheel casing, first tie-beam 11 of left front longitudinal wheel casing and third tie-beam 13 of left front longitudinal wheel casing are respectively through metal integrated into one piece, specifically be steel sheet or the integrative stamping forming of aluminum plate or casting shaping, first tie-beam 10 of left front longitudinal wheel casing, the design of different specifications can be chooseed for use according to the intensity demand to the thickness of first tie-beam 11 of left front longitudinal wheel casing and third tie-beam 13 of left front longitudinal wheel casing, and can realize meeting the requirements for security performance and NVH performance through the thickness of adjustment panel beating or steel sheet or aluminum plate material intensity, different cars are to the design of different specifications for use of intensity demandAccording to different safety collision requirements, local reinforcement can be performed by locally adding a patch plate or a support plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; further, the left front side member wheel house first connecting beam 10, the left front side member wheel house second connecting beam 11, and the left front side member wheel house third connecting beam 13 are spot-welded or CO-welded 2 Fixedly connected together in a welding or riveting or bolt or casting integrated forming mode, thereby forming a left front longitudinal beam wheel cover connecting assembly 13; furthermore, the first connecting beam 10 of the left front longitudinal wheel cover and the second connecting beam 11 of the left front longitudinal wheel cover are fixedly connected together through concave surfaces respectively, so that a cavity structure is formed, and the deformation resistance and the collision energy transmission effects of the structure on collision safety can be greatly improved.
Preferably, in combination with the above solution, referring to fig. 12 to 17, the right front side wheel house connection assembly 19 includes a right front side wheel house first connection beam, a right front side wheel house second connection beam, and a right front side wheel house third connection beam; the front right longitudinal beam wheel cover first connecting beam, the front right longitudinal beam wheel cover second connecting beam and the front right longitudinal beam wheel cover third connecting beam are integrally formed by metal, specifically integrally formed by punching or casting a steel plate or an aluminum plate, the thickness of the steel plate or the aluminum plate can be designed according to different specifications of strength requirements, the requirements on safety performance and NVH performance can be met by adjusting the thickness of a metal plate or the strength of the steel plate or the aluminum plate material, different vehicles correspond to different safety collision requirements, and local reinforcement can also be realized by locally increasing the form of a patch plate or a support plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; the first connecting beam of the wheel cover of the front right longitudinal beam, the second connecting beam of the wheel cover of the front right longitudinal beam and the third connecting beam of the wheel cover of the front right longitudinal beam are welded by spot welding or CO 2 Fixedly connected together in a welding or riveting or bolt or casting integrated forming mode, so as to form a front right longitudinal beam wheel cover connecting assembly 19; right frontThe first connecting beam of the longitudinal beam wheel cover and the second connecting beam of the front right longitudinal beam wheel cover are fixedly connected together through the concave surfaces respectively, so that a cavity structure is formed, and the deformation resistance and the collision energy transmission effects of the structure on collision safety can be greatly improved.
Preferably, in combination with the above solution, as shown in fig. 7 to 8 and 18, the left front wheelhouse upper reinforcement beam 21 includes a left front wheelhouse upper reinforcement beam outer panel 5 and a left front wheelhouse upper reinforcement beam inner panel 6; the left front wheel cover upper stiffening beam outer plate 5 and the left front wheel cover upper stiffening beam inner plate 6 are integrally formed by metal, specifically integrally stamped or cast by steel plates or aluminum plates, the thicknesses of the left front wheel cover upper stiffening beam outer plate 5 and the left front wheel cover upper stiffening beam inner plate 6 can be designed in different specifications and sizes according to strength requirements, the requirements on safety performance and NVH performance can be met by adjusting the thickness of a metal plate or the strength of a steel plate or an aluminum plate material, different vehicles correspond to different safety collision requirements, and local reinforcement can be realized by locally increasing a patch plate or a support plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; the left front wheel cover upper stiffening beam outer plate 5 and the left front wheel cover upper stiffening beam inner plate 6 are fixedly connected together through welding, bolts, riveting or casting integrated forming, and therefore an integrated structure is formed.
Preferably, in combination with the above, referring to fig. 7 to 8 and 18, the right front wheel house upper reinforcement beam 17 includes a right front wheel house upper reinforcement beam outer panel and a right front wheel house upper reinforcement beam inner panel; the outer plate of the stiffening beam on the right front wheel cover and the inner plate of the stiffening beam on the right front wheel cover are respectively formed integrally by metal, in particular to be formed by integrally stamping or casting a steel plate or an aluminum plate, the thicknesses of the outer plate of the stiffening beam on the right front wheel cover and the inner plate of the stiffening beam on the right front wheel cover can be designed by different specifications and sizes according to the strength requirement, the requirements on safety performance and NVH performance can be met by adjusting the thickness of a metal plate or the strength of a steel plate or an aluminum plate material, different vehicles correspond to different safety collision requirements, and local reinforcement can also be performed by locally increasing a patch plate or a support plate; certainly, a part of structures can be omitted to deal with the collision working conditions and NVH performance standard grades of different vehicle types, and parts with the same specification are designed to achieve the universality of platform vehicle types; the right front wheel cover upper stiffening beam outer plate and the right front wheel cover upper stiffening beam inner plate are fixedly connected together through welding, bolts, riveting or casting integrated forming, and therefore an integrated structure is formed.
Preferably, in combination with the above solution, as shown in fig. 19 to 20, the nacelle structure provided by the present invention further includes a front baffle assembly 16 and a protective cross member 23; specifically, the front baffle assembly 16 is formed by spot welding or CO 2 The welding or riveting or bolt or casting integrated molding is respectively fixedly connected with the wheel cover assembly, the cross beam assembly 15 and the longitudinal beam assembly and is positioned at the rear side of the engine compartment, so that the engine is protected; furthermore, one end of the protection cross beam 23 is fixedly connected to the front end of the left front longitudinal beam assembly 20, and the other end of the protection cross beam 23 is fixedly connected to the front end of the right front longitudinal beam assembly 18 and is located on the front side of the engine compartment, so that an engine in the engine compartment can be effectively protected.
Preferably, in combination with the above solutions, as shown in fig. 19 to 21, one end of the cross beam assembly 15 is fixedly connected to the left front wheel cover assembly 14 through a plurality of connecting bolts 22 or welding, and the other end of the cross beam assembly 15 is fixedly connected to the right front wheel cover assembly through a plurality of connecting bolts 22 or welding, so that the connection and the disconnection are convenient.
Preferably, in combination with the above solution, as shown in fig. 19 to 21, the beam assembly 15 is designed to: a plurality of mounting points can be arranged on the beam assembly 15 according to the arrangement requirements of the automobiles, and accessory assemblies required by some automobiles, such as heat pumps, pipelines and other accessories, can be fixed; meanwhile, in order to increase the strength and rigidity of the beam assembly 15, the upper beam 1, the lower beam 2, the beam left connecting bracket 3 or the beam right connecting bracket 4 can be realized by adding a patch plate, a cover plate and reinforcing ribs, or changing materials or connecting processes.
Preferably, in combination with the above solutions, in the solution of the present application, the wheel house assembly, the cross beam assembly 15, and the longitudinal beam assembly are respectively provided with a reinforcing rib, a support plate, a patch plate, or a cover plate, wherein the support plate, the patch plate, or the cover plate is a metal plate, preferably a steel plate; specifically, the left front longitudinal beam wheel casing connecting assembly 13, the right front longitudinal beam wheel casing connecting assembly 19 and the cross beam assembly 15 can be additionally provided with mounting point structures and mounting point reinforcing structures according to the safety standard and NVH standard of the whole vehicle and the mounting requirements of accessories, and can also be appropriately provided with reinforcing ribs, supporting plates and patch plates according to different rule collision working conditions or reinforced by adopting a mode of a higher-strength steel plate; certainly, aiming at the law collision condition or low configuration requirement of a lower area, the left front longitudinal beam wheel cover connecting assembly 13, the right front longitudinal beam wheel cover connecting assembly 19 and the cross beam assembly 15 can be properly eliminated, a part of reinforcing plates and patch plates are eliminated, and the material specification and the welding spot connection quantity and strength are reduced.
Preferably, in combination with the above solutions, as shown in fig. 19 to 20, the present invention provides a solution in which the left front side member assembly 20 and the right front side member assembly 18 are respectively symmetrical with the XZ plane of the vehicle frame; specifically, the XZ plane is a plane formed by an X axis and a Z axis in a rectangular coordinate system, and in the frame design, the X axis may be represented as a width direction of the frame, and the Z axis may be represented as a height direction of the frame.
Preferably, in combination with the above solutions, as shown in fig. 19 to 20, the left front wheel housing assembly 14 and the right front wheel housing assembly are respectively symmetrical with the XZ plane of the vehicle frame; specifically, the XZ plane is a plane formed by an X axis and a Z axis in a rectangular coordinate system, where the X axis may be represented as a width direction of the vehicle frame and the Z axis may be represented as a height direction of the vehicle frame in the vehicle frame design.
Preferably, in combination with the above solutions, as shown in fig. 19 to 20, the left front side member wheel house connection assembly 13 and the right front side member wheel house connection assembly 19 are respectively symmetrical with the XZ plane of the frame; specifically, the XZ plane is a plane formed by an X axis and a Z axis in a rectangular coordinate system, and in the frame design, the X axis may be represented as a width direction of the frame, and the Z axis may be represented as a height direction of the frame.
Preferably, in combination with the above, as shown in fig. 19 to 20, the left front wheel house upper reinforcement beam 21 and the right front wheel house upper reinforcement beam 17 are respectively symmetrical with the XZ plane of the vehicle frame; specifically, the XZ plane is a plane formed by an X axis and a Z axis in a rectangular coordinate system, and in the frame design, the X axis may be represented as a width direction of the frame, and the Z axis may be represented as a height direction of the frame.
The invention provides an automobile engine room structure, which has obvious improvement on the torsional rigidity, the mode and the dynamic rigidity of a body-in-white framework assembly, and greatly enhances the anti-collision deformation capability of a front cabin; by taking a certain compact vehicle as an example, the front cabin assembly with the structure is adopted, so that the torsional rigidity of the white vehicle body skeleton assembly is improved by 7%, the modal lifting is improved by 2Hz, the safe collision performance is improved by 10%, the front collision safety performance is obviously improved, the collision energy can be well transmitted, and the passenger cabin and the battery pack can be effectively protected; meanwhile, the engine compartment structure can be additionally provided with a plurality of mounting points, so that the mounting points are provided for accessories of different engine compartments, the arrangement structure is simple, the connection process is simple, and the implementation is convenient.
Correspondingly, in combination with the above scheme, the invention further provides an automobile, which comprises an automobile engine compartment structure, wherein the automobile engine compartment structure is the automobile engine compartment structure; further, the vehicle is preferably a new energy vehicle.
The scheme provided by the invention has the following technical effects:
firstly, the scheme provided by the invention has the advantages of simple structure, light weight and low cost;
secondly, the scheme provided by the invention can be used for connecting through welding, bolts and rivets, the connecting process is simple, and the process is easy to realize;
thirdly, the scheme provided by the invention has obvious improvement on local rigidity and modal, and particularly has reasonable design on collision force transmission paths, so that the collision safety performance can be obviously improved;
fourthly, the scheme provided by the invention can be developed as a platform, can be suitable for different vehicle type requirements, and can meet the collision safety requirement or the installation requirement by slightly enhancing the local part aiming at different working conditions.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are all within the protection scope of the present invention, unless the content of the technical scheme of the present invention is departed from.
Claims (10)
1. An automobile engine room structure, characterized in that the engine room structure comprises a wheel cover assembly, a cross beam assembly (15) and a longitudinal beam assembly; the wheel cover assembly comprises a left front wheel cover assembly (14) and a right front wheel cover assembly, and the longitudinal beam assembly comprises a left front longitudinal beam assembly (20) and a right front longitudinal beam assembly (18); the left front longitudinal beam assembly (20) and the right front longitudinal beam assembly (18) are arranged side by side and are respectively positioned on two sides of a central axis (F) of the frame; the bottom of the left front wheel cover assembly (14) is fixedly connected to the left front longitudinal beam assembly (20), and the bottom of the right front wheel cover assembly is fixedly connected to the right front longitudinal beam assembly (18); one end of the beam assembly (15) is fixedly connected to the left front wheel cover assembly (14), and the other end of the beam assembly (15) is fixedly connected to the right front wheel cover assembly; an engine compartment is formed in the area where the cross beam assembly (15), the wheel cover assembly and the longitudinal beam assembly are connected.
2. The automotive engine compartment structure according to claim 1, further comprising a longitudinal beam wheel house connection assembly and an upper wheel house reinforcement beam, the longitudinal beam wheel house connection assembly comprising a left front longitudinal beam wheel house connection assembly (13) and a right front longitudinal beam wheel house connection assembly (19), the upper wheel house reinforcement beam comprising a left front wheel house upper reinforcement beam (21) and a right front wheel house upper reinforcement beam (17); the left front wheel cover upper reinforcing beam (21) is fixedly connected to the upper surface of the left front wheel cover assembly (14), and the right front wheel cover upper reinforcing beam (17) is fixedly connected to the upper surface of the right front wheel cover assembly; the bottom of the left front longitudinal beam wheel casing connecting assembly (13) is fixedly connected to the front end of the left front longitudinal beam assembly (20), and the top of the left front longitudinal beam wheel casing connecting assembly (13) is fixedly connected to the bottom of the left front wheel casing upper reinforcing beam (21); the bottom of the right front longitudinal beam wheel cover connecting assembly (19) is fixedly connected to the front end of the right front longitudinal beam assembly (18), and the top of the right front longitudinal beam wheel cover connecting assembly (19) is fixedly connected to the bottom of the right front longitudinal beam upper reinforcing beam (17).
3. The automotive engine compartment structure according to claim 1, characterized in that the cross member assembly (15) includes an upper cross member (1) and a lower cross member (2), the upper cross member (1) and the lower cross member (2) are respectively integrally formed by metal, and a joint surface of the upper cross member (1) and the lower cross member (2) is a concave surface; the upper cross beam (1) and the lower cross beam (2) are fixedly connected together through respective concave surfaces, so that a cross beam body is formed; a cavity structure with a closed side wall is formed in the beam body.
4. The automotive engine compartment structure according to claim 3, characterized in that the cross member assembly (15) further includes a cross member left connecting bracket (3) and a cross member right connecting bracket (4), and the cross member left connecting bracket (3) and the cross member right connecting bracket (4) are integrally formed of metal, respectively; the beam left connecting bracket (3) is fixedly connected to one end of the left side of the beam body, and the beam right connecting bracket (4) is fixedly connected to one end of the right side of the beam body; the crossbeam assembly (15) pass through crossbeam left side linking bridge (3) with left front wheel casing assembly (14) fixed connection, crossbeam assembly (15) pass through crossbeam right side linking bridge (4) with right front wheel casing assembly fixed connection.
5. The automotive engine room structure according to claim 1, characterized in that the left front wheel house assembly (14) includes a left front wheel house (7), a left front wheel house first front connecting plate (8), and a left front wheel house second front connecting plate (9), the left front wheel house (7) being integrally formed of metal, the left front wheel house first front connecting plate (8) and the left front wheel house second front connecting plate (9) being integrally formed of metal, respectively; the left front wheel cover first front connecting plate (8) and the left front wheel cover second front connecting plate (9) are fixedly connected with the lapping surface of the left front wheel cover (7) through a self-piercing riveting process or a welding process respectively;
the right front wheel cover assembly comprises a right front wheel cover, a right front wheel cover first front connecting plate and a right front wheel cover second front connecting plate, the right front wheel cover is integrally formed through metal, and the right front wheel cover first front connecting plate and the right front wheel cover second front connecting plate are integrally formed through metal respectively; the right front wheel cover first front connecting plate and the right front wheel cover second front connecting plate are fixedly connected with the lapping surface of the right front wheel cover through a self-piercing riveting process or a welding process respectively.
6. The automotive engine compartment structure according to claim 2, characterized in that the left front side member wheel house connection assembly (13) includes a left front side member wheel house first connection beam (10), a left front side member wheel house second connection beam (11), and a left front side member wheel house third connection beam (13); the left front longitudinal wheel cover first connecting beam (10), the left front longitudinal wheel cover second connecting beam (11) and the left front longitudinal wheel cover third connecting beam (13) are integrally formed through metal respectively; the left front longitudinal beam wheel cover first connecting beam (10), the left front longitudinal beam wheel cover second connecting beam (11) and the left front longitudinal beam wheel cover third connecting beam (13) are connected through spot welding or CO 2 Fixedly connecting the left front longitudinal beam wheel cover and the left front longitudinal beam wheel cover together in an integrated forming manner through welding or riveting or bolt or casting; the left front longitudinal beam wheel cover first connecting beam (10) and the left front longitudinal beam wheel cover second connecting beam (11) are fixedly connected together through a concave surface respectively, so that a cavity structure is formed;
the right front longitudinal beam wheel cover connecting assembly (19) comprises a right front longitudinal beam wheel cover first connecting beam, a right front longitudinal beam wheel cover second connecting beam and a right front longitudinal beam wheelA hood third connection beam; the right front longitudinal beam wheel cover first connecting beam, the right front longitudinal beam wheel cover second connecting beam and the right front longitudinal beam wheel cover third connecting beam are integrally formed through metal respectively; the first connecting beam of the right front longitudinal beam wheel cover, the second connecting beam of the right front longitudinal beam wheel cover and the third connecting beam of the right front longitudinal beam wheel cover are welded through spot welding or CO 2 Fixedly connecting the front longitudinal beam wheel cover and the right front longitudinal beam wheel cover together in an integrated forming manner through welding or riveting or bolt or casting, thereby forming the right front longitudinal beam wheel cover connecting assembly (19); the first connecting beam of the right front longitudinal beam wheel cover and the second connecting beam of the right front longitudinal beam wheel cover are fixedly connected together through concave surfaces respectively, so that a cavity structure is formed.
7. The automotive engine compartment structure according to claim 2, characterized in that the left front wheelhouse upper reinforcement beam (21) includes a left front wheelhouse upper reinforcement beam outer panel (5) and a left front wheelhouse upper reinforcement beam inner panel (6); the left front wheel cover upper stiffening beam outer plate (5) and the left front wheel cover upper stiffening beam inner plate (6) are integrally formed by metal respectively; the left front wheel cover upper stiffening beam outer plate (5) and the left front wheel cover upper stiffening beam inner plate (6) are fixedly connected together through welding, bolts, riveting or casting into a whole, so that an integrated structure is formed;
the right front wheel cover upper reinforcing beam (17) comprises a right front wheel cover upper reinforcing beam outer plate and a right front wheel cover upper reinforcing beam inner plate; the right front wheel cover upper stiffening beam outer plate and the right front wheel cover upper stiffening beam inner plate are integrally formed through metal respectively; the right front wheel cover upper stiffening beam outer plate and the right front wheel cover upper stiffening beam inner plate are fixedly connected together through welding, bolts, riveting or casting integrated forming, and therefore an integrated structure is formed.
8. The automotive engine compartment structure according to claim 1, characterised in that it further comprises a front baffle assembly (16) and a protective crossbeam (23); the front baffle assembly (16) is formed by spot welding or CO 2 Welding or riveting or bolt or casting integral forming with the wheel cover assembly and the beam assembly (15) respectively) The longitudinal beam assembly is fixedly connected together and is positioned on the rear side of the engine compartment; one end of the protective cross beam (23) is fixedly connected to the front end of the left front longitudinal beam assembly (20), and the other end of the protective cross beam (23) is fixedly connected to the front end of the right front longitudinal beam assembly (18) and is positioned on the front side of the engine compartment;
one end of the cross beam assembly (15) is fixedly connected to the left front wheel cover assembly (14) through a plurality of connecting bolts (22) or welding, and the other end of the cross beam assembly (15) is fixedly connected to the right front wheel cover assembly through a plurality of connecting bolts (22) or welding.
9. The automotive engine compartment structure according to claim 2, wherein the wheel house assembly, the cross beam assembly (15) and the longitudinal beam assembly are respectively provided with a reinforcing rib or a support plate or a patch plate or a cover plate, and the support plate or the patch plate or the cover plate is a metal plate;
the left front longitudinal beam assembly (20) and the right front longitudinal beam assembly (18) are respectively symmetrical to an XZ plane of the frame;
the left front wheel cover assembly (14) and the right front wheel cover assembly are respectively symmetrical with an XZ plane of the frame;
the left front longitudinal beam wheel cover connecting assembly (13) and the right front longitudinal beam wheel cover connecting assembly (19) are respectively symmetrical with an XZ plane of the frame;
the left front wheel cover upper reinforcing beam (21) and the right front wheel cover upper reinforcing beam (17) are respectively symmetrical with an XZ plane of the vehicle frame.
10. An automobile comprising an automobile engine compartment structure, characterized in that the automobile engine compartment structure is the automobile engine compartment structure according to any one of claims 1 to 9.
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