CN115158463B - Automobile chassis - Google Patents
Automobile chassis Download PDFInfo
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- CN115158463B CN115158463B CN202210889717.0A CN202210889717A CN115158463B CN 115158463 B CN115158463 B CN 115158463B CN 202210889717 A CN202210889717 A CN 202210889717A CN 115158463 B CN115158463 B CN 115158463B
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- longitudinal beam
- chassis
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- longitudinal
- reinforcing
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Classifications
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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
-
- 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 arranged on the chassis main body, the longitudinal beam assembly comprises a plurality of longitudinal beams which are arranged along the longitudinal direction, the longitudinal beams comprise a first longitudinal beam, a second longitudinal beam and a third longitudinal beam which are arranged at intervals along 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 a third installation area, the area of the second installation area is larger than the area of the first installation area, the first installation area is used for installing exhaust pipes of Hybrid Electric Vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), the second installation area is used for installing battery packs of the HEVs and the PHEVs, and the third installation area is used for installing battery packs of the pure electric vehicles, so that the chassis is universal on three automobiles.
Description
Technical Field
The invention relates to the field of automobiles, in particular to an automobile chassis.
Background
The existing automobile development uses a pure electric automobile, a plug-in hybrid power (including extended range) automobile and a fuel cell automobile as a 'three-vertical' and lays out a whole automobile technical innovation chain. The new generation of modularized high-performance whole vehicle platform is developed, the integrated design of the chassis of the pure electric vehicle and the integration technology of a multi-energy power system are overcome, the common energy-saving technologies of whole vehicle intelligent energy management control, light weight, low friction resistance and the like are broken through, the safety technical level of battery management, charging connection, structural design and the like is improved, and the comprehensive performance of the whole vehicle of the new energy vehicle is improved.
The existing pure Electric Vehicles (EV), hybrid Electric Vehicles (HEV) and plug-in hybrid electric vehicles (PHEV) are difficult to realize in common use because of different sizes of battery packs of the vehicles and the battery packs of the vehicles, so that development cost and manufacturing cost of automobile chassis are high.
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, comprising:
a chassis main body; the method comprises the steps of,
the longitudinal beam assembly is installed in the chassis main body, the longitudinal beam assembly comprises a plurality of longitudinal beams which are arranged along the longitudinal extension, the longitudinal beams comprise a first longitudinal beam, a second longitudinal beam and a third longitudinal beam which are arranged at intervals along 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 a 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 detachably 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 along the transverse direction, and a plurality of mounting positions are used for selectively mounting the second longitudinal beam.
Optionally, an exhaust hook is disposed on a side of the second longitudinal beam facing the first longitudinal beam, and the exhaust hook is used for mounting an exhaust pipe.
Optionally, a plurality of longerons are provided with a plurality of battery package installation position, just longeron inside is formed with the mounting groove, vehicle chassis still includes a plurality of reinforcing plates, and is a plurality of reinforcing plate one-to-one is a plurality of 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 adapted to the shape of the mounting groove.
Optionally, the chassis main part has seted up central passage along vertically, vehicle chassis still includes beam assembly, beam assembly from the front to back interval set up in the multiple crossbeam of central passage in proper order, and a plurality of the height of crossbeam is from front to back incremental gradually.
Optionally, the chassis further includes a stringer-reinforcing connection board assembly, the stringer-reinforcing connection board assembly includes two stringer-reinforcing connection boards, the two stringer-reinforcing connection boards are mutually far away from each other from front to back and are obliquely set up in the chassis main body, and one end of one of them stringer-reinforcing board connect in first stringer, the other end connect in the second stringer, the other end of two stringer-reinforcing connection boards is used for connecting the cabin longeron.
Optionally, the longitudinal beam reinforcing connection plate is arc-shaped along the length direction, and/or the side wall of the longitudinal beam reinforcing connection plate is provided with a plurality of reinforcing ribs at intervals along the length direction.
Optionally, an included angle between the two longitudinal beam reinforcing connection plates is 56-62 degrees.
According to the technical scheme provided by the invention, the first longitudinal beam, the second longitudinal beam and the third longitudinal beam are arranged on the chassis main body, a first installation area is formed between the first longitudinal beam and the second longitudinal beam, so that an exhaust pipe of a Hybrid Electric Vehicle (HEV) and a plug-in hybrid electric vehicle (PHEV) can be installed, a second installation area is formed between the second longitudinal beam and the third longitudinal beam, so that a battery pack of the HEV and the PHEV can be installed, the first installation area and the second installation area are combined to form a third installation area, namely, a space between the first longitudinal beam and the third longitudinal beam forms the third installation area, so that the battery pack of a pure electric vehicle can be installed, and the chassis can be universally used 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 that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an automobile chassis according to the present invention;
FIG. 2 is a rear view of the central passage of FIG. 1;
FIG. 3 is a schematic view of the stringer-stiffened panel of FIG. 1;
FIG. 4 is a schematic view of the internal structure of the stringer-stiffened panel of FIG. 3;
FIG. 5 is a schematic view of the internal structure of the stringer assembly of FIG. 1.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Automobile chassis | 10 | Chassis main body |
| 20 | Longitudinal beam assembly | 21 | First longitudinal beam |
| 22 | Second longitudinal beam | 23 | Second longitudinal beam |
| 30 | Exhaust lifting hook | 40 | Reinforcing plate |
| 11 | Central channel | 50 | Beam assembly |
| 60 | Longitudinal beam reinforcing connecting plate | 61 | Reinforcing rib |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present invention, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The existing automobile development uses a pure electric automobile, a plug-in hybrid power (including extended range) automobile and a fuel cell automobile as a 'three-vertical' and lays out a whole automobile technical innovation chain. The new generation of modularized high-performance whole vehicle platform is developed, the integrated design of the chassis of the pure electric vehicle and the integration technology of a multi-energy power system are overcome, the common energy-saving technologies of whole vehicle intelligent energy management control, light weight, low friction resistance and the like are broken through, the safety technical level of battery management, charging connection, structural design and the like is improved, and the comprehensive performance of the whole vehicle of the new energy vehicle is improved.
The existing pure Electric Vehicles (EV), hybrid Electric Vehicles (HEV) and plug-in hybrid electric vehicles (PHEV) are difficult to realize in common use because of different sizes of battery packs of the vehicles and the battery packs of the vehicles, so that development cost and manufacturing cost of automobile chassis are high.
In order to solve the above-mentioned problems, the present invention provides an automobile chassis 100, and fig. 1 to 5 are specific embodiments of the automobile chassis provided by the present invention.
Referring to fig. 1 to 5, the chassis 100 includes a chassis main body 10 and a girder assembly 20, the girder assembly 20 is mounted on the chassis main body 10, the girder assembly 20 includes a plurality of girders extending longitudinally, the girders include a first girder 21, a second girder 22 and a third girder 23 arranged at intervals in sequence in a transverse direction, a first mounting area is formed between the first girder 21 and the second girder 22, a second mounting area is formed between the second girder 22 and the third girder 23, the first mounting area and the second mounting area are combined to form the third mounting area, and the area of the second mounting area is larger than that of the first mounting area.
It should be noted that, a Hybrid Electric Vehicle (HEV) refers to a vehicle in which a part of kinetic energy is converted into electric energy by a generator after an engine is used and then a power battery is charged, and the capacity of a battery pack is small, so that the volume of the battery pack is also small, and a plug-in hybrid electric vehicle (PHEV) refers to a vehicle which can rely on an external power supply as well as a generator, so that the battery pack capacity is medium and slightly larger than that of an HEV vehicle type, and chassis of the HEV vehicle type and the PHEV vehicle type also need to consider the assembly of an exhaust pipe, and a pure Electric Vehicle (EV) refers to a vehicle type which uses electricity only as a power source, and has no exhaust pipe, and the battery pack is the largest.
According to the technical scheme provided by the invention, the first longitudinal beam 21, the second longitudinal beam 22 and the third longitudinal beam 23 are arranged on the chassis main body 10, a first installation area is formed between the first longitudinal beam 21 and the second longitudinal beam 22, so that the exhaust pipe of a Hybrid Electric Vehicle (HEV) and a plug-in hybrid electric vehicle (PHEV) is installed, a second installation area is formed between the second longitudinal beam 22 and the third longitudinal beam 23, so that the battery pack of the hybrid electric vehicle is installed, the first installation area and the second installation area are combined to form the third installation area, namely, the space between the first longitudinal beam 21 and the third longitudinal beam 23 forms the third installation area, so that the battery pack of a pure electric vehicle is installed, and the chassis is universal on three vehicles.
Because the battery packs of HEV motorcycle type and PHEV motorcycle type are different in size, therefore, to the battery packs of different sizes, need to adjust the different positions of second longeron 22 to the reasonable distribution first installation region with the position of second installation region, consequently, second longeron 22 detachably install in chassis main part 10 to the concrete mounted position of convenient selection second longeron 22 adjusts the area of first installation region and second installation region, and concrete, second longeron 22 can be joint, spiro union or be the 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 the highest. Of course, in some embodiments, the second longitudinal beam 22 may be detachably mounted on the chassis main body 10, and then the second longitudinal beam 22 and the chassis main body 10 are welded, for example, the second longitudinal beam 22 is screwed to the chassis main body 10, so that the areas corresponding to the first mounting area and the second mounting area are determined, and then the second longitudinal beam 22 and the chassis main body 10 are welded, so as to improve the mounting stability.
In order to further adapt to battery packs of different sizes, the chassis main body 10 is provided with a plurality of mounting positions at intervals along the transverse direction, and the second longitudinal beam 22 is selectively mounted by a plurality of mounting positions, so that the second longitudinal beam 22 can be mounted to different positions of the chassis main body 10, and thus, a first mounting area and a second mounting area with different areas are selected to adapt to battery packs of different sizes.
In order to facilitate the installation of the exhaust pipe, the side of the second longitudinal beam 22 facing the first longitudinal beam 21 is provided with an exhaust hook 30, the exhaust hook 30 being used for the installation of the exhaust pipe.
In order to prevent the battery pack from falling off, a plurality of longitudinal beams are provided with a plurality of battery pack mounting positions, and mounting grooves are formed in the longitudinal beams, the automobile chassis 100 further comprises a plurality of reinforcing plates 40, the reinforcing plates 40 are in one-to-one correspondence with the plurality of battery pack mounting positions, and the mounting grooves of the longitudinal beams are arranged so as to strengthen the strength and the rigidity of the battery pack mounting positions, thereby preventing the battery pack from falling off, and effectively improving the performance of the automobile in the collision process.
Further, the shape of the reinforcing plate 40 may be various, such as rectangular, cylindrical, etc., and is not limited thereto, and 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 the U-shaped plate is preferably used for the reinforcing plate 40 in consideration of the fact that the mounting groove of the existing longitudinal beam is generally a rectangular groove.
In order to improve the collision effect of the automobile chassis 100, the chassis main body 10 is provided with a central channel 11 along the longitudinal direction, 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 at intervals from front to back, and the heights of a plurality of 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 km offset collision/50 km MPDB collision can be met, and the safety of passengers and battery packs in a cabin is protected. In addition, in some embodiments, the front seat rear cross beam is connected through a sectional bolt, the front seat rear mounting bracket and the threshold are welded, the rigidity of the vehicle body is improved, the strength of the mounting point of the seat meets the 2018CNCAP/Euro-NCAP side collision requirement, and the safety of rear passengers is protected. Also, in the present embodiment, the cross member is provided with three, thereby 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 connection plate 60 assembly, the longitudinal beam reinforcing connection plate 60 assembly comprises two longitudinal beam reinforcing connection plates 60, the two longitudinal beam reinforcing connection plates 60 are arranged on the chassis main body 10 in a mutually-far-away inclined manner from front to back, one end of one longitudinal beam reinforcing plate 40 is connected with the first longitudinal beam 21, one end of the other longitudinal beam reinforcing plate is connected with the second longitudinal beam 22, and the other ends of the two longitudinal beam reinforcing connection plates 60 are used for connecting cabin longitudinal beams. The stringer-reinforcing connection plate 60 can effectively promote the rigidity of the connection of the stringer assembly 20 and the cabin stringer, 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 connection plate 60 is arc-shaped along the length direction thereof, so that the longitudinal beam reinforcing connection plate 60 can play a role in buffering the impact and offset impact force transmission path, of course, a plurality of reinforcing ribs 61 can be arranged on the side wall of the longitudinal beam reinforcing connection plate 60 at intervals along the length direction thereof, so that the rigidity of the longitudinal beam reinforcing connection plate 40 connection plate is enhanced, in some embodiments, the longitudinal beam reinforcing connection plate 60 is arc-shaped along the length direction thereof, a plurality of reinforcing ribs 61 are arranged on the side wall of the longitudinal beam reinforcing connection plate 60 at intervals along the length direction thereof, so that the longitudinal beam reinforcing connection plate 60 is provided with wavy ribs, and the impact and offset impact force transmission path can be optimally buffered.
Further, the included angle between the two longitudinal beam reinforcing connection plates 60 is 56-62 degrees, so that the arrangement of the two longitudinal beam reinforcing connection plates 60 adopts an 'inner eight' design, and the device can effectively cope with CNCAP 64 km offset collision/50 km MPDB collision. 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 table, P1 to P14 are 14 points selected from the chassis, and correspond to the intrusion amount of the points under different angles in CNCAP 64 km offset bump/50 km MPDB bump, the unit is millimeter, and as can be seen from the above data, the maximum intrusion amount is 92.6mm when the included angle between the two longitudinal beam reinforcing connection plates 60 is 56 ° to 62 °, the requirement of CNCAP 64 km offset bump/50 km MPDB bump is satisfied, and the maximum intrusion amount is minimum when the included angle between the two longitudinal beam reinforcing connection plates 60 is 58 °.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (9)
1. An automotive chassis, comprising:
a chassis main body; the method comprises the steps of,
the longitudinal beam assembly is mounted on the chassis main body and comprises a plurality of longitudinal beams which extend longitudinally, the longitudinal beams comprise a first longitudinal beam, a second longitudinal beam and a third longitudinal beam which are arranged at intervals in the transverse direction, a first mounting area is formed between the first longitudinal beam and the second longitudinal beam, a second mounting area is formed between the second longitudinal beam and the third longitudinal beam, a third mounting area is formed by combining the first mounting area and the second mounting area, and the area of the second mounting area is larger than that of the first mounting area;
the automobile chassis further comprises a longitudinal beam reinforcing connection plate assembly, the longitudinal beam reinforcing connection plate assembly comprises two longitudinal beam reinforcing connection plates, the two longitudinal beam reinforcing connection plates are arranged on the chassis main body in a mutually-far-away and inclined mode from front to back, one end of one longitudinal beam reinforcing plate is connected with the first longitudinal beam, one end of the other longitudinal beam reinforcing plate is connected with the second longitudinal beam, and the other ends of the two longitudinal beam reinforcing connection plates are used for being connected with an engine room longitudinal beam;
the included angle between the two longitudinal beam reinforcing connection plates is 58 degrees.
2. The vehicle chassis of claim 1, wherein the second stringer 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 laterally spaced apart with a plurality of mounting locations for the second side rail to be selectively mounted.
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 of an exhaust pipe.
5. The vehicle chassis of claim 1, wherein a plurality of said stringers are provided with a plurality of battery pack mounting locations and said stringers are internally formed with mounting slots, said vehicle chassis further comprising a plurality of reinforcing plates, a plurality of said reinforcing plates being mounted in one-to-one correspondence with a plurality of said battery pack mounting locations in said mounting slots of said stringers to strengthen the strength and rigidity of said battery pack mounting locations.
6. The vehicle chassis of claim 5, wherein the stiffener has a shape that matches the shape of the mounting slot.
7. The vehicle chassis of claim 6, wherein the reinforcement plate is U-shaped and the mounting slot is rectangular.
8. The vehicle chassis of claim 1, wherein the chassis body defines a central passage along a longitudinal direction, the vehicle chassis further comprising a cross member assembly, the cross member assembly being disposed in a plurality of the central passages at sequentially spaced intervals from front to back, and the heights of the plurality of cross members being sequentially increased from front to back.
9. The vehicle chassis of claim 1, wherein the stringer-reinforcing webs are arranged in an arc along their length and/or wherein the side walls of the stringer-reinforcing webs are arranged with a plurality of ribs spaced apart along their length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889717.0A CN115158463B (en) | 2022-07-26 | 2022-07-26 | Automobile chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210889717.0A CN115158463B (en) | 2022-07-26 | 2022-07-26 | Automobile chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115158463A CN115158463A (en) | 2022-10-11 |
| CN115158463B true CN115158463B (en) | 2023-09-22 |
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Citations (10)
| 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 |
| CN104471271A (en) * | 2012-06-26 | 2015-03-25 | 京洛株式会社 | Impact energy-absorbing body |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011103090A1 (en) * | 2011-05-25 | 2012-11-29 | Thyssenkrupp Steel Europe Ag | Vehicle body and its use |
| KR101619270B1 (en) * | 2014-10-17 | 2016-05-10 | 현대자동차 주식회사 | Connection structure of a vehicle |
-
2022
- 2022-07-26 CN CN202210889717.0A patent/CN115158463B/en active Active
Patent Citations (10)
| 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 |
| CN104471271A (en) * | 2012-06-26 | 2015-03-25 | 京洛株式会社 | Impact energy-absorbing body |
| 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 |
|---|
| 汽车前部结构对骑自行车人颅脑损伤防护特性的影响;莫富灏;杨济匡;李松庆;;机械工程学报(第04期);全文 * |
| 针对某纯电动车型的电安全保护开发;栾天;欧阳俊;刘宗华;肖一渊;曾繁波;;汽车工程师(第08期);全文 * |
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| CN115158463A (en) | 2022-10-11 |
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