CN115158463A - Automobile chassis - Google Patents
Automobile chassis Download PDFInfo
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- CN115158463A CN115158463A CN202210889717.0A CN202210889717A CN115158463A CN 115158463 A CN115158463 A CN 115158463A CN 202210889717 A CN202210889717 A CN 202210889717A CN 115158463 A CN115158463 A CN 115158463A
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- Prior art keywords
- longitudinal beam
- chassis
- installation area
- rail
- longitudinal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- 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
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
-
- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses an automobile chassis which comprises a chassis main body and a longitudinal beam assembly, wherein the longitudinal beam assembly is installed on the chassis main body, the longitudinal beam assembly comprises a plurality of longitudinal beams which are arranged in a longitudinally extending mode, the longitudinal beams comprise a first longitudinal beam, a second longitudinal beam and a third longitudinal beam which are arranged in sequence at intervals in the transverse direction, a first installation area is formed between the first longitudinal beam and the second longitudinal beam, a second installation area is formed between the second longitudinal beam and the third longitudinal beam, the first installation area and the second installation area are combined to form the third installation area, the area of the second installation area is larger than that of the first installation area, the first installation area is used for installing exhaust pipes of a Hybrid Electric Vehicle (HEV) and a plug-in hybrid electric vehicle (PHEV), the second installation area is used for installing battery packs of the HEV and the PHEV, and the third installation area is used for installing battery packs of a pure electric vehicle type, so that the universal use of the chassis on three types of automobiles is realized.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an automobile chassis.
Background
The existing automobile development takes a pure electric automobile, a plug-in hybrid power (including extended range) automobile and a fuel cell automobile as a three-longitudinal-direction vehicle, and the whole automobile is arranged in a technical innovation chain. A new-generation modularized high-performance finished automobile platform is developed, the integrated design of a chassis of a pure electric automobile and the integration technology of a multi-energy power system are involved, the common energy-saving technologies of intelligent energy management control, light weight, low friction resistance and the like of the finished automobile are broken through, the safety technology levels of battery management, charging connection, structural design and the like are improved, and the comprehensive performance of the finished automobile of the new-energy automobile is improved.
The existing pure Electric Vehicles (EV), hybrid Electric Vehicles (HEV) and plug-in hybrid electric vehicles (PHEV) need to be designed according to the battery packs of the three vehicles because of different sizes of the battery packs, so that the universality is difficult to realize, and the development cost and the manufacturing cost of an automobile chassis are higher.
Disclosure of Invention
The invention mainly aims to provide an automobile chassis and aims to solve the problem that the existing automobile chassis is low in universality.
In order to achieve the above object, the present invention provides an automobile chassis, including:
a chassis main body; and (c) a second step of,
the chassis comprises a chassis main body, a longitudinal beam assembly, a plurality of longitudinal beams and a plurality of connecting rods, wherein the longitudinal beam assembly is arranged along the longitudinal extension and comprises a first longitudinal beam, a second longitudinal beam and a third longitudinal beam which are arranged along the transverse direction at intervals in sequence, the first longitudinal beam and a first installation area are formed between the second longitudinal beams, the second longitudinal beam and a second installation area are formed between the third longitudinal beams, the first installation area and the second installation area are combined to form the third installation area, and the area of the second installation area is larger than that of the first installation area.
Optionally, a second stringer is removably mounted to the chassis body; and/or the second longitudinal beam is welded to the chassis main body.
Optionally, the chassis main body is provided with a plurality of mounting positions at intervals in the transverse direction, and the plurality of mounting positions are used for the second longitudinal beam to be selectively mounted.
Optionally, an exhaust hook is arranged on one side of the second longitudinal beam facing the first longitudinal beam, and the exhaust hook is used for installing an exhaust pipe.
Optionally, it is a plurality of the longeron is provided with a plurality of battery package installation positions, just the longeron is inside to be formed with the mounting groove, vehicle chassis still includes a plurality of reinforcing plates, and is a plurality of the reinforcing plate one-to-one battery package installation position install in the mounting groove of longeron, in order to strengthen the intensity and the rigidity of battery package installation position department.
Optionally, the shape of the reinforcing plate is matched with the shape of the mounting groove.
Optionally, a central channel is longitudinally formed in the chassis main body, the automobile chassis further comprises a beam assembly, the beam assembly is sequentially arranged on the plurality of beams of the central channel at intervals from front to back, and the heights of the plurality of beams are sequentially increased from front to back.
Optionally, the automobile chassis further comprises a longitudinal beam reinforcing connecting plate assembly, the longitudinal beam reinforcing connecting plate assembly comprises two longitudinal beam reinforcing connecting plates, the two longitudinal beam reinforcing connecting plates are arranged on the chassis main body in a manner of being away from each other from front to back in an inclined mode, one end of one longitudinal beam reinforcing plate is connected to the first longitudinal beam, one end of the other longitudinal beam reinforcing plate is connected to the second longitudinal beam, and the other ends of the two longitudinal beam reinforcing connecting plates are used for being connected with the cabin longitudinal beam.
Optionally, the longitudinal beam reinforcing connecting plate is arranged in an arc shape along the length direction of the longitudinal beam reinforcing connecting plate, and/or a plurality of reinforcing ribs are distributed on the side wall of the longitudinal beam reinforcing connecting plate at intervals along the length direction of the longitudinal beam reinforcing connecting plate.
Optionally, the included angle between the two longitudinal beam reinforcing connecting plates is 56-62 degrees.
According to the technical scheme, a first longitudinal beam, a second longitudinal beam and a third longitudinal beam are arranged on a chassis main body, a first installation area is formed between the first longitudinal beam and the second longitudinal beam so as to install exhaust pipes of a Hybrid Electric Vehicle (HEV) and a plug-in hybrid electric vehicle (PHEV), a second installation area is formed between the second longitudinal beam and the third longitudinal beam so as to install battery packs of the HEV and the PHEV, the first installation area and the second installation area are combined to form the third installation area, namely, a space between the first longitudinal beam and the third longitudinal beam forms the third installation area so as to install the battery packs of a pure electric vehicle, and therefore the chassis is universal on three vehicles.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an automotive chassis provided by the present invention;
FIG. 2 is a rear view of the central passage of FIG. 1;
FIG. 3 is a schematic structural view of the stringer stiffened web of FIG. 1;
FIG. 4 is an internal structural view of the stringer stiffened web of FIG. 3;
fig. 5 is an internal structural view of the trailing beam assembly of fig. 1.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
10 | Chassis |
| 20 | |
21 | First |
| 22 | Second |
23 | Second |
| 30 | |
40 | |
| 11 | |
50 | |
| 60 | Longitudinal beam reinforcing |
61 | Reinforcing rib |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The existing automobile development takes a pure electric automobile, a plug-in hybrid power (including extended range) automobile and a fuel cell automobile as a three-longitudinal mode, and is a complete automobile technical innovation chain. A new-generation modularized high-performance finished automobile platform is developed, the integrated design of a chassis of a pure electric automobile and the integration technology of a multi-energy power system are involved, the common energy-saving technologies of intelligent energy management control, light weight, low friction resistance and the like of the finished automobile are broken through, the safety technology levels of battery management, charging connection, structural design and the like are improved, and the comprehensive performance of the finished automobile of the new-energy automobile is improved.
The existing pure Electric Vehicles (EV), hybrid Electric Vehicles (HEV) and plug-in hybrid electric vehicles (PHEV) need to be designed according to the battery packs of the three vehicles due to different sizes of the battery packs, so that the universal use is difficult to realize, and the development cost and the manufacturing cost of the automobile chassis are higher.
In order to solve the above problems, the present invention provides an automobile chassis 100, and fig. 1 to 5 illustrate an embodiment of the automobile chassis provided by the present invention.
Referring to fig. 1 to 5, the automobile chassis 100 includes a chassis main body 10 and a longitudinal beam assembly 20, the longitudinal beam assembly 20 is mounted to the chassis main body 10, the longitudinal beam assembly 20 includes a plurality of longitudinal beams extending in a longitudinal direction, the plurality of longitudinal beams includes a first longitudinal beam 21, a second longitudinal beam 22 and a third longitudinal beam 23 which are sequentially arranged in a transverse direction at intervals, a first mounting region is formed between the first longitudinal beam 21 and the second longitudinal beam 22, a second mounting region is formed between the second longitudinal beam 22 and the third longitudinal beam 23, the first mounting region and the second mounting region are combined to form the third mounting region, and an area of the second mounting region is larger than an area of the first mounting region.
It should be noted that a Hybrid Electric Vehicle (HEV) is an automobile that uses an engine to work, and then converts a part of kinetic energy into electric energy through a generator, and then charges a power battery, and the capacity of a battery pack is small, so the volume of the battery pack is also small, and a plug-in hybrid electric vehicle (PHEV) is an automobile that can rely on not only a generator but also an external power supply, so the capacity of the battery pack is medium, and is slightly larger than that of a HEV model, and the chassis of the HEV model and the PHEV model also needs to consider the assembly of an exhaust pipe, and a pure Electric Vehicle (EV) is a model that uses pure electricity as a power source, and has no exhaust pipe, and the battery pack is largest, and the chassis is mainly used for the installation of the battery pack.
In the technical scheme provided by the invention, a first longitudinal beam 21, a second longitudinal beam 22 and a third longitudinal beam 23 are arranged on a chassis main body 10, a first mounting area is formed between the first longitudinal beam 21 and the second longitudinal beam 22 so as to mount exhaust pipes of a Hybrid Electric Vehicle (HEV) and a plug-in hybrid electric vehicle (PHEV), a second mounting area is formed between the second longitudinal beam 22 and the third longitudinal beam 23 so as to mount a battery pack of the hybrid electric vehicle, the first mounting area and the second mounting area are combined to form the third mounting area, namely, a space between the first longitudinal beam 21 and the third longitudinal beam 23 forms the third mounting area so as to mount the battery pack of a pure electric vehicle, therefore, the chassis is universal on three automobiles, the first mounting area is used for mounting the exhaust pipe, the second mounting area is used for mounting the battery pack, the third mounting area is used for mounting the battery pack of the EV vehicle, the size of the battery pack of the EV vehicle is largest, and the size of the common battery pack is larger than that of the exhaust pipe, so that the area of the second mounting area is larger than that of the first mounting area, the first mounting area and the second mounting area are combined to form the third mounting area, namely the area of the third mounting area is the sum of the areas of the first mounting area and the second mounting area, the areas of the three mounting areas are reasonably distributed to adapt to three different automobile types, and the universality of the chassis is improved.
Because the size of the battery package of HEV motorcycle type and PHEV motorcycle type is different, consequently, to the battery package of equidimension not, need adjust the different positions of second longeron 22 to rational distribution first installation zone with the position of second installation zone, consequently, second longeron 22 detachably install in chassis main part 10 to conveniently select the specific mounted position of second longeron 22, adjust the area of first installation zone and second installation zone, it is specific, second longeron 22 can be joint, spiro union or magnetism and inhale etc.. Of course, in order to ensure the stability of the installation of the second longitudinal beam 22, the second longitudinal beam 22 may be directly welded to the chassis main body 10, so that the stability of the installation of the second longitudinal beam 22 is highest. Of course, in some embodiments, the second longitudinal beam 22 may be detachably mounted to the chassis main body 10 first, and then the second longitudinal beam 22 is welded to the chassis main body 10, for example, the second longitudinal beam 22 is screwed to the chassis main body 10, the areas corresponding to the first mounting area and the second mounting area are determined, and then the second longitudinal beam 22 is welded to the chassis main body 10, so as to improve the mounting stability.
In order to further adapt to battery packs with different sizes, the chassis main body 10 is provided with a plurality of mounting positions at intervals along the transverse direction, the mounting positions are used for selectively mounting the second longitudinal beam 22, so that the second longitudinal beam 22 can be mounted at different positions of the chassis main body 10, and therefore, a first mounting area and a second mounting area with different areas are selected to adapt to battery packs with different sizes.
In order to facilitate the installation of the exhaust pipe, the second longitudinal beam 22 is provided with an exhaust hook 30 on the side facing the first longitudinal beam 21, and the exhaust hook 30 is used for the installation of the exhaust pipe.
In order to prevent the battery pack from falling off, the longitudinal beam is provided with a plurality of battery pack installation positions, installation grooves are formed in the longitudinal beam, the automobile chassis 100 further comprises a plurality of reinforcing plates 40, the reinforcing plates 40 are in one-to-one correspondence with the battery pack installation positions, the battery pack installation positions are installed in the installation grooves of the longitudinal beam to reinforce the strength and rigidity of the battery pack installation positions, so that the battery pack is prevented from falling off, and the performance of the automobile in the collision process can be effectively improved.
Further, the shape of the reinforcing plate 40 may be various, such as rectangular, cylindrical, etc., and is not limited herein, in order to enhance the reinforcing effect of the reinforcing plate 40, the shape of the reinforcing plate 40 is adapted to the shape of the mounting groove, and considering that the mounting groove of the existing longitudinal beam is generally a rectangular groove, the reinforcing plate 40 is preferably a U-shaped plate.
In order to improve the collision effect of the automobile chassis 100, the chassis main body 10 is longitudinally provided with a central channel 11, the automobile chassis 100 further comprises a beam assembly 50, the beam assembly 50 is sequentially arranged on a plurality of beams of the central channel 11 from front to back at intervals, and the heights of the beams are sequentially increased from front to back, so that a stepped central channel 11 is formed, the rigidity of the automobile chassis 100 is effectively improved, the CNCAP 64 kilometer offset collision/50 kilometer MPDB collision can be met, and the safety of passengers and battery packs in the cabin is protected. In addition, in some embodiments, the front seat rear cross beam is connected through a sectional bolt, and is welded with the front seat rear mounting bracket and the doorsill to improve the rigidity of the vehicle body and the strength of the seat mounting point so as to meet the requirements of 2018CNCAP/Euro-NCAP side collision and protect the safety of rear passengers. Also, in this embodiment, the cross beam is provided with three steps, thereby forming three steps.
In order to improve the collision effect of the automobile chassis 100 and the safety of passengers and battery packs in the cabin, the automobile chassis 100 further comprises a longitudinal beam reinforcing and connecting plate 60 assembly, the longitudinal beam reinforcing and connecting plate 60 assembly comprises two longitudinal beam reinforcing and connecting plates 60, the two longitudinal beam reinforcing and connecting plates 60 are obliquely arranged on the chassis main body 10 from front to back, one end of one longitudinal beam reinforcing plate 40 is connected to the first longitudinal beam 21, the other end of the other longitudinal beam reinforcing and connecting plate is connected to the second longitudinal beam 22, and the other end of the two longitudinal beam reinforcing and connecting plates 60 is used for connecting the cabin longitudinal beams. The longitudinal beam reinforcing connecting plate 60 can effectively improve the rigidity of the joint of the longitudinal beam assembly 20 and the cabin longitudinal beam, thereby ensuring the collision effect of the automobile chassis 100 and the safety of passengers and battery packs in the cabin.
Further, the longitudinal beam reinforcing and connecting plate 60 is arranged in an arc shape along the length direction, and thus the longitudinal beam reinforcing and connecting plate 60 can buffer the transmission path of the direct impact and the offset impact force, of course, the side wall of the longitudinal beam reinforcing and connecting plate 60 can be provided with a plurality of reinforcing ribs 61 at intervals along the length direction, so as to reinforce the rigidity of the longitudinal beam reinforcing and connecting plate 40, and in some embodiments, the longitudinal beam reinforcing and connecting plate 60 is arranged in an arc shape along the length direction, and the side wall of the longitudinal beam reinforcing and connecting plate 60 is provided with a plurality of reinforcing ribs 61 at intervals along the length direction, so that the longitudinal beam reinforcing and connecting plate 60 is provided with wavy ribs, and can optimally buffer the transmission path of the direct impact and the offset impact force.
Furthermore, the included angle between the two longitudinal beam reinforcing connecting plates 60 is 56-62 degrees, and the arrangement of the two longitudinal beam reinforcing connecting plates 60 adopts an 'inside eight' design, so that the CNCAP 64-kilometer offset collision/50-kilometer MPDB collision can be effectively responded. The following are part of the experimental data:
| 56° | 57° | 58° | 59° | 60° | 61° | 62° | |
| P1 | 91.3 | 86.3 | 81.0 | 84.5 | 85.5 | 88.6 | 92.6 |
| P2 | 32.3 | 29.2 | 26.4 | 29.5 | 30.4 | 31.6 | 33.5 |
| P3 | 76.3 | 72.9 | 68.1 | 70.1 | 72.2 | 74.2 | 77.6 |
| P4 | 60.6 | 57.9 | 54.1 | 55.7 | 57.3 | 59.0 | 61.7 |
| P5 | 21.5 | 20.5 | 19.2 | 19.8 | 20.4 | 20.9 | 21.9 |
| P6 | 69.4 | 66.3 | 62.0 | 63.9 | 65.7 | 67.6 | 70.7 |
| P7 | 6.8 | 6.5 | 6.1 | 6.3 | 6.5 | 6.6 | 7.0 |
| P8 | 6.8 | 6.5 | 6.1 | 6.3 | 6.5 | 6.6 | 7.0 |
| P9 | 9.7 | 9.3 | 8.7 | 9.0 | 9.2 | 9.5 | 9.9 |
| P10 | 17.1 | 16.4 | 15.3 | 15.8 | 16.2 | 16.7 | 17.4 |
| P11 | 44.1 | 42.2 | 39.4 | 40.6 | 41.8 | 42.9 | 44.9 |
| P12 | 50.6 | 48.4 | 45.2 | 46.6 | 47.9 | 49.3 | 51.5 |
| P13 | 29.6 | 28.2 | 26.4 | 27.2 | 28.0 | 28.8 | 30.1 |
| P14 | 36.1 | 34.5 | 32.2 | 33.2 | 34.1 | 35.1 | 36.7 |
in the above table, P1 to P14 are 14 points selected from the chassis, and the intrusion amount of the points at different angles in the CNCAP 64 km offset collision/50 km MPDB collision is expressed in mm, and as can be seen from the above data, when the included angle between the two longitudinal beam reinforcing connecting plates 60 is 56 ° to 62 °, the maximum intrusion amount is 92.6mm, which satisfies the requirement of the CNCAP 64 km offset collision/50 km MPDB collision, and when the included angle between the two longitudinal beam reinforcing connecting plates 60 is 58 °, the maximum intrusion amount is the smallest, and the effect is the best.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An automotive chassis, comprising:
a chassis main body; and (c) a second step of,
the chassis comprises a chassis main body, a longitudinal beam assembly, a plurality of longitudinal beams and a plurality of connecting rods, wherein the longitudinal beam assembly is arranged along the longitudinal extension and comprises a first longitudinal beam, a second longitudinal beam and a third longitudinal beam which are arranged along the transverse direction at intervals in sequence, the first longitudinal beam and a first installation area are formed between the second longitudinal beams, the second longitudinal beam and a second installation area are formed between the third longitudinal beams, the first installation area and the second installation area are combined to form the third installation area, and the area of the second installation area is larger than that of the first installation area.
2. The vehicle chassis of claim 1, wherein a second longitudinal beam is removably mounted to the chassis body; and/or the second longitudinal beam is welded to the chassis main body.
3. The vehicle chassis of claim 2, wherein the chassis body is provided with a plurality of mounting locations spaced laterally for selective mounting of the second side rail.
4. The vehicle chassis of claim 1, wherein a side of the second longitudinal beam facing the first longitudinal beam is provided with an exhaust hook for mounting an exhaust pipe.
5. The automobile chassis according to claim 1, wherein a plurality of the longitudinal beams are provided with a plurality of battery pack mounting positions, and mounting grooves are formed in the longitudinal beams, and the automobile chassis further comprises a plurality of reinforcing plates, wherein the plurality of reinforcing plates are mounted in the mounting grooves of the longitudinal beams in a one-to-one correspondence with the plurality of battery pack mounting positions so as to reinforce the strength and rigidity of the battery pack mounting positions.
6. The vehicle chassis of claim 5 wherein the stiffener has a profile that conforms to the shape of the mounting slot.
7. The vehicle chassis according to claim 1, wherein the chassis body is longitudinally provided with a central passage, the vehicle chassis further comprises a plurality of cross members, the cross members are sequentially arranged in the central passage at intervals from front to back, and the heights of the cross members are sequentially increased from front to back.
8. The vehicle chassis of claim 1 further comprising a rail gusset assembly, the rail gusset assembly comprising two rail gusset panels disposed at an angle away from each other from front to back in the chassis body, and wherein one of the rail gusset panels is connected at one end to the first rail and the other of the rail gusset panels is connected at one end to the second rail, and the other of the rail gusset panels is adapted to be connected to a cabin rail.
9. The vehicle chassis of claim 8, wherein the rail reinforcement web is arcuate along its length and/or wherein the side walls of the rail reinforcement web are spaced apart along its length by a plurality of ribs.
10. The vehicle chassis of claim 8 wherein the angle between the two rail reinforcement webs is from 56 ° to 62 °.
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| Application Number | Priority Date | Filing Date | Title |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103339019A (en) * | 2011-01-26 | 2013-10-02 | 本田技研工业株式会社 | Structure for front of vehicle body |
| US20140077527A1 (en) * | 2011-05-25 | 2014-03-20 | Thyssenkrupp Steel Europe Ag | Vehicle Body and Use Thereof |
| CN104471271A (en) * | 2012-06-26 | 2015-03-25 | 京洛株式会社 | Impact energy-absorbing body |
| US20160107695A1 (en) * | 2014-10-17 | 2016-04-21 | Hyundai Motor Company | Connection structure of a vehicle |
| CN106005044A (en) * | 2016-06-06 | 2016-10-12 | 东风柳州汽车有限公司 | Vehicle body of electric vehicle |
| CN206384051U (en) * | 2017-01-22 | 2017-08-08 | 重庆至信实业有限公司 | A kind of automobile front floor welding assembly |
| CN107379949A (en) * | 2016-04-21 | 2017-11-24 | 丰田自动车株式会社 | The battery installation structure of vehicle |
| CN111391926A (en) * | 2019-01-02 | 2020-07-10 | 东风小康汽车有限公司重庆分公司 | Enclose additional strengthening and car before car |
| JP2021024300A (en) * | 2019-07-31 | 2021-02-22 | 三菱マヒンドラ農機株式会社 | Work vehicle |
| DE102020115235A1 (en) * | 2020-05-29 | 2021-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Body assembly for a motor vehicle and motor vehicle |
| CN216070220U (en) * | 2021-09-09 | 2022-03-18 | 江苏吉麦新能源车业有限公司 | Vehicle body floor platform based on different battery packs of continuing a journey |
| CN216734484U (en) * | 2021-10-22 | 2022-06-14 | 北京新能源汽车股份有限公司 | Roof beam structure assembly and vehicle of vehicle |
-
2022
- 2022-07-26 CN CN202210889717.0A patent/CN115158463B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103339019A (en) * | 2011-01-26 | 2013-10-02 | 本田技研工业株式会社 | Structure for front of vehicle body |
| US20140077527A1 (en) * | 2011-05-25 | 2014-03-20 | Thyssenkrupp Steel Europe Ag | Vehicle Body and Use Thereof |
| CN104471271A (en) * | 2012-06-26 | 2015-03-25 | 京洛株式会社 | Impact energy-absorbing body |
| US20160107695A1 (en) * | 2014-10-17 | 2016-04-21 | Hyundai Motor Company | Connection structure of a vehicle |
| CN107379949A (en) * | 2016-04-21 | 2017-11-24 | 丰田自动车株式会社 | The battery installation structure of vehicle |
| CN106005044A (en) * | 2016-06-06 | 2016-10-12 | 东风柳州汽车有限公司 | Vehicle body of electric vehicle |
| CN206384051U (en) * | 2017-01-22 | 2017-08-08 | 重庆至信实业有限公司 | A kind of automobile front floor welding assembly |
| CN111391926A (en) * | 2019-01-02 | 2020-07-10 | 东风小康汽车有限公司重庆分公司 | Enclose additional strengthening and car before car |
| JP2021024300A (en) * | 2019-07-31 | 2021-02-22 | 三菱マヒンドラ農機株式会社 | Work vehicle |
| DE102020115235A1 (en) * | 2020-05-29 | 2021-12-02 | Bayerische Motoren Werke Aktiengesellschaft | Body assembly for a motor vehicle and motor vehicle |
| CN216070220U (en) * | 2021-09-09 | 2022-03-18 | 江苏吉麦新能源车业有限公司 | Vehicle body floor platform based on different battery packs of continuing a journey |
| CN216734484U (en) * | 2021-10-22 | 2022-06-14 | 北京新能源汽车股份有限公司 | Roof beam structure assembly and vehicle of vehicle |
Non-Patent Citations (2)
| Title |
|---|
| 栾天;欧阳俊;刘宗华;肖一渊;曾繁波;: "针对某纯电动车型的电安全保护开发", 汽车工程师, no. 08 * |
| 莫富灏;杨济匡;李松庆;: "汽车前部结构对骑自行车人颅脑损伤防护特性的影响", 机械工程学报, no. 04 * |
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