CN113428227A - Vehicle chassis structure and vehicle - Google Patents
Vehicle chassis structure and vehicle Download PDFInfo
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- CN113428227A CN113428227A CN202110910258.5A CN202110910258A CN113428227A CN 113428227 A CN113428227 A CN 113428227A CN 202110910258 A CN202110910258 A CN 202110910258A CN 113428227 A CN113428227 A CN 113428227A
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- longitudinal beam
- longeron
- aluminum alloy
- vehicle chassis
- chassis structure
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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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
The invention discloses a vehicle chassis structure and a vehicle, wherein the vehicle chassis structure comprises two longitudinal beams and two cross beams, a plurality of cross beams are arranged between the two longitudinal beams along the length direction, each longitudinal beam comprises an aluminum alloy longitudinal beam and a steel longitudinal beam, the steel longitudinal beam is wrapped by the aluminum alloy longitudinal beam, the aluminum alloy longitudinal beam is fixedly connected with the steel longitudinal beam, and the thickness of the aluminum alloy longitudinal beam is greater than that of the steel longitudinal beam. According to the invention, the plurality of cross beams are mutually connected between the two longitudinal beams, so that the two longitudinal beams and the plurality of cross beams form a whole, the whole stability of the vehicle chassis structure is ensured, the structure is simpler, and the cost is low; in addition, live the steel longeron through aluminum alloy longeron parcel to guaranteeing under the longeron possesses enough support strength's the prerequisite, can reducing the thickness of steel longeron, and then reduced the weight of longeron, so that alleviate vehicle chassis's weight, be convenient for realize new forms of energy vehicle's lightweight design.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a vehicle chassis structure and a vehicle.
Background
With the development of new energy automobiles, the design of lightweight automobiles is more urgent, and the automobile chassis is an important component of the automobile and is an integral installation base body.
The chassis of a conventional truck generally includes two longitudinal beams and two cross beams, wherein the two longitudinal beams are connected with each other through a plurality of cross beams, so as to ensure the supporting strength of the chassis.
However, the chassis structure made of all steel has a large mass, which hinders the entire lightweight design of new energy vehicles.
Disclosure of Invention
Accordingly, a primary object of the present invention is to provide a vehicle chassis structure that is lightweight.
Another object of the present invention is to provide a vehicle employing the above vehicle chassis structure.
The utility model provides a vehicle chassis structure, includes longeron and crossbeam, the longeron is equipped with two, two be equipped with a plurality ofly along length direction between the longeron the crossbeam, the longeron includes aluminum alloy longeron and steel longeron, aluminum alloy longeron parcel is lived the steel longeron, just aluminum alloy longeron with fixed connection between the steel longeron, the thickness of aluminum alloy longeron is greater than the thickness of steel longeron.
According to the invention, the plurality of cross beams are mutually connected between the two longitudinal beams, so that the two longitudinal beams and the plurality of cross beams form a whole, the whole stability of the vehicle chassis structure is ensured, the structure is simpler, and the cost is low; in addition, through the aluminum alloy longeron parcel is lived the steel longeron to guaranteeing under the longeron possesses enough support strength's the prerequisite, can reduce the thickness of steel longeron, and then reduced the weight of longeron to the weight of vehicle chassis is lightened, the lightweight design of new forms of energy vehicle is convenient for realize.
Preferably, the aluminum alloy longitudinal beam is a U-shaped aluminum alloy longitudinal beam, the steel longitudinal beam is a U-shaped steel longitudinal beam, the inner side of the aluminum alloy longitudinal beam is fastened to the outer side of the steel longitudinal beam, and the three inner side walls of the aluminum alloy longitudinal beam are abutted to the three outer side walls of the steel longitudinal beam in a one-to-one correspondence manner.
Preferably, the openings of the two longitudinal beams are arranged oppositely, so that wiring grooves are formed on two opposite sides of the two longitudinal beams.
Preferably, the crossbeam includes front beam, connection crossbeam and rear beam, the front beam is the front beam of U type, just the both ends correspondence of front beam is buckled and is established and be fixed in two the front end of longeron, the rear beam is located two the rear end of longeron, just the both ends correspondence of rear beam is fixed in two in the wiring groove of longeron, two the longeron middle part is equipped with a plurality ofly along length direction connection crossbeam, the both ends correspondence of connecting the crossbeam is fixed in two the wiring groove of longeron.
Preferably, the inner sides of the two ends of the front cross beam are both vertically provided with a support column, and the upper end and the lower end of the support column are correspondingly fixed on the upper side wall and the lower side wall of the inner side of the front cross beam.
Preferably, a plurality of lightening holes are formed in the middle parts of the front cross beam, the connecting cross beam and the rear cross beam along the length direction.
Preferably, the front cross beam, the connecting cross beam and the rear cross beam are fixedly connected with the longitudinal beam through connecting components.
Preferably, the vehicle chassis structure further comprises connecting seats, the connecting seats are arranged in the wiring grooves of the two longitudinal beams, each connecting seat comprises a vertical connecting plate and a horizontal connecting plate, the vertical connecting plates are fixed on one sides, away from the opening, of the wiring grooves, the horizontal connecting plates are integrally formed on the upper side and the lower side of each vertical connecting plate, the two horizontal connecting plates correspond to the two opposite side walls of the wiring grooves, the two longitudinal beams and the two opposite connecting seats are connected with each other through the connecting cross beam, the end part of the connecting cross beam extends into the two connecting seats, the two horizontal connecting plates are connected with each other through the connecting components, and the upper side and the lower side of the connecting cross beam are correspondingly connected with the two horizontal connecting plates through the connecting components.
Preferably, the width of the two sides of the horizontal connecting plate is gradually reduced from the end close to the vertical connecting plate to the end far away from the vertical connecting plate.
The invention also relates to a vehicle comprising a vehicle chassis structure as claimed above.
In the vehicle of the present invention, by adopting the vehicle chassis structure, the overall weight of the vehicle can be reduced, and a light weight design of the vehicle can be realized.
For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of a stringer according to an embodiment of the present invention;
fig. 2 is a vehicle chassis structure according to an embodiment of the present invention.
Reference numerals: 1. a stringer; 11. an aluminum alloy stringer; 12. steel longitudinal beams; 13. wiring grooves; 2. a cross beam; 21. a front cross member; 22. connecting the cross beam; 23. a rear cross member; 24. lightening holes; 3. a support pillar; 4. a connecting assembly; 41. a connecting bolt; 5. a connecting seat; 51. a vertical connecting plate; 52. horizontal connecting plate.
Detailed Description
The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.
The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the invention relates to a vehicle chassis structure, which comprises two longitudinal beams 1 and two cross beams 2, wherein a plurality of cross beams 2 are arranged between the two longitudinal beams 1 along the length direction, each longitudinal beam 1 comprises an aluminum alloy longitudinal beam 11 and a steel longitudinal beam 12, the steel longitudinal beam 12 is wrapped by the aluminum alloy longitudinal beam 11, the aluminum alloy longitudinal beam 11 is fixedly connected with the steel longitudinal beam 12, and the thickness of the aluminum alloy longitudinal beam 11 is greater than that of the steel longitudinal beam 12.
In the invention, the plurality of cross beams 2 are mutually connected between the two longitudinal beams 1, so that the two longitudinal beams 1 and the plurality of cross beams 2 form a whole, the whole stability of the vehicle chassis structure is ensured, the structure is simpler, and the cost is low; in addition, through the aluminum alloy longeron 11 parcel live in steel longeron 12 to guaranteeing under the prerequisite that longeron 1 possesses enough support strength, can reduce the thickness of steel longeron 12, and then reduced the weight of longeron 1 is in order to alleviate vehicle chassis's weight, is convenient for realize new forms of energy vehicle's lightweight design.
In this embodiment, the aluminum alloy longitudinal beam 11 is a U-shaped aluminum alloy longitudinal beam 11, and the steel longitudinal beam 12 is a U-shaped steel longitudinal beam 12, that is, the cross sections of the aluminum alloy longitudinal beam 11 and the steel longitudinal beam 12 are both U-shaped structures, the inner side of the aluminum alloy longitudinal beam 11 is fastened to the outer side of the steel longitudinal beam 12, and three inner side walls of the aluminum alloy longitudinal beam 11 are abutted to three outer side walls of the steel longitudinal beam 12 in a one-to-one correspondence manner.
The aluminum alloy longitudinal beam 11 and the steel longitudinal beam 12 are both U-shaped, so that the steel longitudinal beam 12 can be conveniently embedded in the aluminum alloy longitudinal beam 11, the aluminum alloy longitudinal beam and the steel longitudinal beam are conveniently fixedly connected, and the assembly difficulty is reduced; meanwhile, the aluminum alloy longitudinal beam 11 and the steel longitudinal beam 12 can have strong supporting force and are not easy to deform, so that the stability of the vehicle chassis structure is ensured.
Preferably, the length of the steel longitudinal beam 12 is smaller than that of the aluminum alloy longitudinal beam 11, and the steel longitudinal beam 12 is located in the middle of the aluminum alloy longitudinal beam 11 in the length direction.
On new energy vehicle's chassis, generally place heavy structures such as hydrogen fuel cell, lithium cell, hydrogen jar in the middle part of longeron, and then only need will steel longeron 12 is located 11 length direction's of aluminum alloy longeron middle part can guarantee longeron 1 possesses sufficient support intensity, can reduce the length of steel longeron 12 simultaneously, so that reduce the whole weight of longeron 1 realizes the lightweight design of vehicle.
Further, the lateral wall of steel longeron 12 along length direction's both sides all retracts in the aluminum alloy longeron 11, and then steel longeron 12 is inlaying and is locating back in the aluminum alloy longeron 11 is difficult for receiving the impact of foreign object, can guarantee the steadiness between both positions, in order to guarantee longeron 1's steadiness.
In this embodiment, the openings of the two longitudinal beams 1 are disposed oppositely, so that the wiring grooves 13 are formed on the two opposite sides of the two longitudinal beams 1, that is, the openings of the aluminum alloy longitudinal beam 11 and the steel longitudinal beam 12 of one of the longitudinal beams 1 are opposite to the openings of the aluminum alloy longitudinal beam 11 and the steel longitudinal beam 12 of the other longitudinal beam 1, and the openings of the two longitudinal beams 1 are formed with the wiring grooves 13.
Through wiring groove 13's setting can all set up pipeline and circuit in the vehicle along wiring groove 13, can play the guard action to pipeline and circuit, also makes things convenient for walking of pipeline and circuit to arrange, simultaneously, wiring groove 13 locates two the inboard of longeron 1, and then can reduce pipeline and circuit and leak outside the vehicle chassis structure, plays the guard action to pipeline and circuit.
In this embodiment, the cross beam 2 includes a front cross beam 212, a connecting cross beam 222 and a rear cross beam 232, the front cross beam 212 is a U-shaped front cross beam 212, two ends of the front cross beam 212 are correspondingly buckled and fixed at two front ends of the longitudinal beams 1, the rear cross beam 232 is located at two rear ends of the longitudinal beams 1, two ends of the rear cross beam 232 are correspondingly fixed at two in the wiring grooves 13 of the longitudinal beams 1, two the middle parts of the longitudinal beams 1 are provided with a plurality of connecting cross beams 222 along the length direction, and two ends of the connecting cross beams 222 are correspondingly fixed at two in the wiring grooves 13 of the longitudinal beams 1.
Through the arrangement of the front cross beam 212, the connecting cross beam 222 and the rear cross beam 232, on one hand, the two longitudinal beams 1 are fixedly connected to ensure the overall stability of the vehicle floor structure, and on the other hand, mounting positions for mounting other components on the vehicle chassis structure can be formed so as to facilitate the mounting of other components on the vehicle chassis structure.
Preferably, the inner sides of the two ends of the front cross beam 212 are both vertically provided with a support column 3, and the upper end and the lower end of the support column 3 are correspondingly fixed on the upper side wall and the lower side wall of the inner side of the front cross beam 212.
With through the setting of support column 3, can strengthen the support intensity at front beam 212 both ends guarantees the steadiness of vehicle chassis structure front end.
Further, a plurality of lightening holes 24 are formed in the middle of the front cross beam 212, the connecting cross beam 222 and the rear cross beam 232 along the length direction, so as to be beneficial to reducing the weight of the vehicle chassis structure.
In this embodiment, the front cross beam 212, the connecting cross beam 222 and the rear cross beam 232 are all fixedly connected with the longitudinal beam 1 through the connecting assembly 4, so as to realize detachable connection of the vehicle chassis structure, thereby facilitating transportation and assembly of the vehicle chassis structure.
Preferably, the vehicle chassis structure further includes a connecting seat 5, the connecting seat 5 is disposed in the wiring groove 13 of the two longitudinal beams, the connecting seat 5 includes a vertical connecting plate 51 and a horizontal connecting plate 52, the vertical connecting plate 51 is fixed on the side of the wiring groove 13 far away from the opening, the horizontal connecting plate 52 is integrally formed on the upper side and the lower side of the vertical connecting plate 51, the two horizontal connecting plates 52 are correspondingly and fixedly connected with the two opposite side walls of the wiring groove 13, the two longitudinal beams 1 and the two opposite connecting seats 5 are mutually connected with a connecting beam 222, the end of the connecting beam 222 extends into the two horizontal connecting plates 52 of the connecting seat 5, and the upper side and the lower side of the connecting beam 222 are correspondingly and fixedly connected with the two horizontal connecting plates 52 through a connecting assembly 4.
The vertical connecting plate 51 is fixed on one side of the wiring groove 13 far away from the opening, that is, the vertical connecting plate 51 is fixed on one side of the steel longitudinal beam 12 far away from the opening, and then the horizontal connecting plates 52 on the upper side and the lower side of the vertical connecting plate 51 are correspondingly fixed on the two inner side walls of the steel longitudinal beam 12 so as to ensure the stability of the connecting seat 5, and further the connecting cross beam 222 is fixedly connected with the horizontal connecting plates 52 so as to ensure the stability between the connecting cross beam 222 and the longitudinal beam 1 and ensure the stability of the whole vehicle chassis structure.
Further, the connecting assembly 4 includes a connecting bolt 41 and a connecting nut, the connecting bolt 41 penetrates through the longitudinal beam 1 and the horizontal connecting plate 52, and the connecting bolt 41 is connected with the connecting nut through threads, so as to fix the horizontal connecting plate 52 and the longitudinal beam 1, the connecting bolt 41 penetrates through the horizontal connecting plate 52 and the connecting cross beam 222, and the connecting bolt 41 is connected with the connecting nut through threads, so as to fix the horizontal connecting plate 52 and the connecting cross beam 222.
Furthermore, the width of the two sides of the horizontal connecting plate 52 is gradually reduced from the end close to the vertical connecting plate 51 to the end far away from the vertical connecting plate 51, so that the weight of the horizontal connecting plate 52 is reduced on the premise of ensuring the structural strength, and the reduction of the weight of the vehicle chassis structure is facilitated.
The invention also relates to a vehicle comprising the vehicle chassis structure.
In the vehicle of the present invention, by adopting the vehicle chassis structure, the overall weight of the vehicle can be reduced, and a light weight design of the vehicle can be realized.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a vehicle chassis structure, includes longeron and crossbeam, the longeron is equipped with two, two be equipped with a plurality ofly along length direction between the longeron the crossbeam, its characterized in that: the longitudinal beam comprises an aluminum alloy longitudinal beam and a steel longitudinal beam, the aluminum alloy longitudinal beam wraps the steel longitudinal beam, the aluminum alloy longitudinal beam is fixedly connected with the steel longitudinal beam, and the thickness of the aluminum alloy longitudinal beam is larger than that of the steel longitudinal beam.
2. The vehicle chassis structure according to claim 1, wherein: the aluminum alloy longitudinal beam is a U-shaped aluminum alloy longitudinal beam, the steel longitudinal beam is a U-shaped steel longitudinal beam, the inner side of the aluminum alloy longitudinal beam is fastened on the outer side of the steel longitudinal beam, and the three inner side walls of the aluminum alloy longitudinal beam are abutted to the three outer side walls of the steel longitudinal beam in a one-to-one correspondence mode.
3. The vehicle chassis structure according to claim 2, wherein: the openings of the two longitudinal beams are oppositely arranged, so that wiring grooves are formed in two opposite sides of the two longitudinal beams.
4. The vehicle chassis structure according to claim 3, wherein: the crossbeam includes front beam, connection crossbeam and rear frame member, the front beam is the front beam of U type, just the both ends correspondence of front beam is buckled and is established and be fixed in two the front end of longeron, the rear frame member is located two the rear end of longeron, just the both ends correspondence of rear frame member is fixed in two the wiring inslot of longeron, two the longeron middle part is equipped with a plurality ofly along length direction connect the crossbeam, the both ends correspondence of connecting the crossbeam is fixed in two the wiring inslot of longeron.
5. The vehicle chassis structure according to claim 4, wherein: the inner sides of the two ends of the front cross beam are vertically provided with support columns, and the upper end and the lower end of each support column are correspondingly fixed on the upper side wall and the lower side wall of the inner side of the front cross beam.
6. The vehicle chassis structure according to claim 4, wherein: and a plurality of lightening holes are formed in the middle parts of the front cross beam, the connecting cross beam and the rear cross beam along the length direction.
7. The vehicle chassis structure according to claim 4, wherein: the front cross beam, the connecting cross beam and the rear cross beam are all fixedly connected with the longitudinal beam through the connecting assembly.
8. The vehicle chassis structure according to claim 4, wherein: the connecting device is characterized by further comprising connecting seats, wherein the connecting seats are arranged in the wiring groove of the longitudinal beam and comprise vertical connecting plates and horizontal connecting plates, the vertical connecting plates are fixed on one side, away from the opening, of the wiring groove, the horizontal connecting plates are integrally formed on the upper side and the lower side of the vertical connecting plates and correspond to the two opposite side walls of the wiring groove, the longitudinal beam is connected with the connecting cross beam, the end part of the connecting cross beam extends into the connecting seats, the horizontal connecting plates are connected with each other, and the upper side and the lower side of the connecting cross beam correspond to each other and are connected with the horizontal connecting plates through connecting assemblies and two.
9. The vehicle chassis structure according to claim 8, wherein: the width of the two sides of the horizontal connecting plate is gradually reduced from one end close to the vertical connecting plate to the direction far away from one end of the vertical connecting plate.
10. A vehicle, characterized in that: comprising a vehicle chassis structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910258.5A CN113428227B (en) | 2021-08-09 | 2021-08-09 | Vehicle chassis structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910258.5A CN113428227B (en) | 2021-08-09 | 2021-08-09 | Vehicle chassis structure and vehicle |
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| Publication Number | Publication Date |
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| CN113428227A true CN113428227A (en) | 2021-09-24 |
| CN113428227B CN113428227B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110910258.5A Active CN113428227B (en) | 2021-08-09 | 2021-08-09 | Vehicle chassis structure and vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116902076A (en) * | 2023-09-13 | 2023-10-20 | 扬州通航汽车配件有限公司 | Chassis of vehicle |
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| JP2000103359A (en) * | 1998-09-29 | 2000-04-11 | Hitachi Metals Ltd | Cross member for automobile |
| CN109131567A (en) * | 2018-09-28 | 2019-01-04 | 三重型装备有限公司 | Frame assembly and vehicle |
| CN109353410A (en) * | 2018-11-21 | 2019-02-19 | 东风华神汽车有限公司 | A kind of commercial vehicle longitudinal beam structure |
| CN111267957A (en) * | 2020-03-31 | 2020-06-12 | 东风柳州汽车有限公司 | Vehicle frame |
| CN212332772U (en) * | 2020-04-13 | 2021-01-12 | 湖北省齐星汽车车身股份有限公司 | Light-truck steel-aluminum mixed lightweight trapezoidal frame assembly |
| CN112208638A (en) * | 2019-07-10 | 2021-01-12 | 森源汽车股份有限公司 | Frame and electric vehicle |
| CN112498484A (en) * | 2020-12-11 | 2021-03-16 | 湖北航天技术研究院特种车辆技术中心 | Heavy new energy vehicle and frame thereof |
-
2021
- 2021-08-09 CN CN202110910258.5A patent/CN113428227B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000103359A (en) * | 1998-09-29 | 2000-04-11 | Hitachi Metals Ltd | Cross member for automobile |
| CN109131567A (en) * | 2018-09-28 | 2019-01-04 | 三重型装备有限公司 | Frame assembly and vehicle |
| CN109353410A (en) * | 2018-11-21 | 2019-02-19 | 东风华神汽车有限公司 | A kind of commercial vehicle longitudinal beam structure |
| CN112208638A (en) * | 2019-07-10 | 2021-01-12 | 森源汽车股份有限公司 | Frame and electric vehicle |
| CN111267957A (en) * | 2020-03-31 | 2020-06-12 | 东风柳州汽车有限公司 | Vehicle frame |
| CN212332772U (en) * | 2020-04-13 | 2021-01-12 | 湖北省齐星汽车车身股份有限公司 | Light-truck steel-aluminum mixed lightweight trapezoidal frame assembly |
| CN112498484A (en) * | 2020-12-11 | 2021-03-16 | 湖北航天技术研究院特种车辆技术中心 | Heavy new energy vehicle and frame thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116902076A (en) * | 2023-09-13 | 2023-10-20 | 扬州通航汽车配件有限公司 | Chassis of vehicle |
| CN116902076B (en) * | 2023-09-13 | 2024-01-19 | 扬州通航汽车配件有限公司 | Chassis of vehicle |
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| Publication number | Publication date |
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| CN113428227B (en) | 2022-10-11 |
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