CN113212554A - Frame for vehicle and vehicle - Google Patents

Frame for vehicle and vehicle Download PDF

Info

Publication number
CN113212554A
CN113212554A CN202110581967.3A CN202110581967A CN113212554A CN 113212554 A CN113212554 A CN 113212554A CN 202110581967 A CN202110581967 A CN 202110581967A CN 113212554 A CN113212554 A CN 113212554A
Authority
CN
China
Prior art keywords
frame
vehicle
section
type frame
beam type
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110581967.3A
Other languages
Chinese (zh)
Inventor
梁荣朝
尹华清
高立军
夏浩文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd
Geely Sichuan Commercial Vehicle Co Ltd
Jiangxi Geely New Energy Commercial Vehicle Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd
Geely Sichuan Commercial Vehicle Co Ltd
Jiangxi Geely New Energy Commercial Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely New Energy Commercial Vehicle Group Co Ltd, Geely Sichuan Commercial Vehicle Co Ltd, Jiangxi Geely New Energy Commercial Vehicle Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN202110581967.3A priority Critical patent/CN113212554A/en
Publication of CN113212554A publication Critical patent/CN113212554A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D21/00Understructures, i.e. chassis frame on which a vehicle body may be mounted
    • B62D21/02Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

The invention provides a vehicle frame for a vehicle and the vehicle, and relates to the field of vehicles. The frame includes: the front-section side beam type frame, the front-shaft-section bearing type frame, the middle-section side beam type frame, the rear-axle-section bearing type frame and the rear-section side beam type frame are fixedly connected in sequence from front to back along the longitudinal direction of the vehicle; the front axle section bearing type frame and the rear axle section bearing type frame are arranged on the front end side beam type frame, the middle section side beam type frame and the rear end side beam type frame in a protruding mode in the vertical direction of the vehicle, and the bottoms of the front axle section bearing type frame and the rear axle section bearing type frame respectively limit a first containing space used for containing a part of wheels of the vehicle. The frame provided by the invention can solve the problem that the distance between the floor of the vehicle and the ground is too high.

Description

Frame for vehicle and vehicle
Technical Field
The invention relates to the technical field of vehicles, in particular to a vehicle frame for a vehicle and the vehicle.
Background
The frame in the prior art has more structures, and is usually a side beam type frame, which is a firm rigid framework formed by connecting two longitudinal beams positioned at two sides and a plurality of cross beams through riveting or welding. The boundary beam type frame is convenient to arrange and install, is beneficial to refitting a modified vehicle and developing various vehicle types, is beneficial to NVH design by being separated from a cab, and is widely applied to commercial vehicles.
The edge beam type frame has the advantages of low manufacturing cost, convenience in modification of vehicles and development of various types of vehicles, convenience in arrangement and installation, high frame rigidity, high impact resistance and the like. However, the frame is usually provided with a power accessory bracket, a power system bracket, a vehicle body system bracket, a suspension system bracket and a reinforcing structure thereof, and in order to match the installation of the brackets and the reinforcing structure, the side beam type frame needs to avoid relevant structures, such as an axle and tires, so that the distance between the floor of the vehicle adopting the side beam type frame and the ground is too high, and therefore, various problems are caused, such as inconvenience for passengers to get on or off the vehicle, mismatch with the height of the existing platform in the passenger getting-off area, and the like.
Disclosure of Invention
It is an object of a first aspect of the invention to provide a vehicle frame which solves the problem of too high a distance of the vehicle floor from the ground.
It is a further object of the first aspect of the invention to provide a vehicle frame that improves the safety of the cab of the vehicle in a collision.
It is an object of a second aspect of the invention to provide a vehicle with a floor at a suitable distance from the ground.
According to the above first aspect, the present invention provides a frame for a vehicle, comprising:
the front-section side beam type frame, the front-shaft-section bearing type frame, the middle-section side beam type frame, the rear-axle-section bearing type frame and the rear-section side beam type frame are fixedly connected in sequence from front to back along the longitudinal direction of the vehicle; wherein the content of the first and second substances,
the front section boundary beam type frame, the middle section boundary beam type frame and the rear section boundary beam type frame all comprise a plurality of cross beams and longitudinal beams, the two sides of the front shaft section bearing type frame and the two sides of the rear axle section bearing type frame in the vertical direction of the vehicle are all protruded out of the front section boundary beam type frame, the middle section boundary beam type frame and the rear section boundary beam type frame, and the bottom of the front shaft section bearing type frame and the bottom of the rear axle section bearing type frame are respectively limited to be used for containing a part of wheels of the vehicle.
Optionally, the frame has a stiffness less than a stiffness of a cab frame of the vehicle; and the front section edge beam type frame is connected with the cab frame through a first support, and the middle section edge beam type frame is connected with the cab frame through a second support with the strength and rigidity smaller than those of the first support.
Optionally, the front-section edge beam type frame is fixedly connected with the first support, and the middle-section edge beam type frame is connected with the second support through a guide rail.
Optionally, the cross-sectional structures of the front section edge beam type frame, the middle section edge beam type frame and the rear section edge beam type frame are designed according to the bearing capacity of the vehicle.
Optionally, the front section side frame, the middle section side frame and the rear section side frame each include two longitudinal beams extending in the longitudinal direction of the vehicle, the cross-sectional shapes of the longitudinal beams in the transverse direction of the vehicle are all in a U shape so that the longitudinal beams have an opening, and the openings of the two longitudinal beams are arranged oppositely.
Optionally, the top surfaces of the front axle section load-bearing frame and the rear axle section load-bearing frame are all arranged in a rectangular shape, and the front axle section load-bearing frame and the rear axle section load-bearing frame are all arranged along the vertical direction of the vehicle to form a second accommodating space.
Optionally, the front axle section load-bearing frame and the rear axle section load-bearing frame are both made of steel materials with strength greater than a preset value.
Optionally, the front section boundary beam type frame, the front shaft section load-bearing type frame, the middle section boundary beam type frame, the rear axle section load-bearing type frame and the rear section boundary beam type frame are sequentially connected in a welding manner.
According to the second aspect, the invention provides a vehicle comprising the vehicle frame.
Optionally, the vehicle further comprises:
a cab frame having a stiffness greater than the frame;
the first bracket is used for connecting the front-section edge beam type frame with the cab frame;
the second bracket is used for connecting the middle section boundary beam type frame with the cab frame, and the strength and the rigidity of the second bracket are both smaller than those of the first bracket; and
the floor is connected with the frame, and a boss is arranged on the floor corresponding to the wheel.
The frame for the vehicle provided by the invention is of a five-section type, two sides of a front axle section bearing type frame and a rear axle section bearing type frame on the vertical direction of the vehicle are respectively protruded out of a front section edge beam type frame, a middle section edge beam type frame and a rear section edge beam type frame, namely, a certain height difference exists between the five sections from front to back in the longitudinal direction of the vehicle, wherein the front axle section bearing type frame and the rear axle section bearing type frame correspond to the positions of tires of the vehicle, the bottoms of the front axle section bearing type frame and the rear axle section bearing type frame define a first accommodating space for accommodating a part of a wheel, the first accommodating space is formed by upwards sinking from the bottom of the front axle section bearing type frame or the rear axle section bearing type frame, and preferably, the first accommodating space is used for accommodating the upper half part of the wheel. The frame among the prior art is the coplanar from the past to the back in the longitudinal direction of vehicle, does not have the difference in height that this application has, also does not set up the accommodation space that is used for the holding wheel to make the minimum point of frame be higher than the wheel. In the embodiment, the lowest point of the frame is lower than the wheels by setting the height difference and the first accommodating space, so that the ground clearance of the frame is reduced, the vehicle floor is connected with the frame, the distance between the floor and the ground is reduced, passengers can get on or off the vehicle conveniently, and the vehicle can be matched with the height of the existing platform in the passenger getting-off area.
Further, the rigidity of the frame is smaller than that of a cab frame of the vehicle, the front section edge beam type frame is connected with the cab frame through a first support, and the middle section edge beam type frame is connected with the cab frame through a second support, the strength and the rigidity of which are smaller than those of the first support. In this embodiment, when a vehicle collides, even if a collision point falls on the cab frame, the collision force is transmitted backward because the rigidity of the vehicle frame is less than that of the cab frame, so that the deformation of the cab frame is not caused, passengers in the cab are not injured, and the safety of the vehicle is greatly improved.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural view of a vehicle frame for a vehicle according to one embodiment of the present invention;
FIG. 2 is a schematic view of a frame for a vehicle mating with a cab frame according to one embodiment of the invention;
FIG. 3 is a schematic structural view of a frame for a vehicle in cooperation with a suspension system according to one embodiment of the present invention;
FIG. 4 is a schematic structural view of a frame for a vehicle in cooperation with a front suspension system in accordance with one embodiment of the present invention;
FIG. 5 is a schematic structural view of a frame for a vehicle in cooperation with a rear suspension system in accordance with one embodiment of the present invention;
fig. 6 is a schematic structural view of a floor panel of a vehicle according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Fig. 1 is a schematic structural view of a vehicle frame for a vehicle according to one embodiment of the present invention. As shown in fig. 1, the present invention provides a frame 100 for a vehicle, which generally includes a front-stage side-rail frame 110, a front-axle-section-loading frame 120, a middle-stage side-rail frame 130, a rear-axle-section-loading frame 140, and a rear-stage side-rail frame 150 fixedly connected in this order from front to rear in a longitudinal direction of the vehicle. The front section edge beam type frame 110, the middle section edge beam type frame 130 and the rear section edge beam type frame 150 all comprise a plurality of cross beams and longitudinal beams, two sides of the front shaft section bearing type frame 120 and the rear axle section bearing type frame 140 in the vertical direction of the vehicle are protruded out of the front section edge beam type frame 110, the middle section edge beam type frame 130 and the rear section edge beam type frame 150, the bottom of the front shaft section bearing type frame 120 limits a first accommodating space 121 used for accommodating a part of a wheel 600 in the front part of the vehicle, and the bottom of the rear axle section bearing type frame 140 limits a first accommodating space 141 used for accommodating a part of the wheel 600 in the rear part of the vehicle.
The frame 100 provided in this embodiment is a five-segment type, two sides of the front axle segment loading frame 120 and the rear axle segment loading frame 140 in the vehicle vertical direction all protrude from the front end side beam frame 110, the middle end side beam frame 130 and the rear end side beam frame 150, that is, a certain height difference exists between the five segments in the longitudinal direction of the vehicle from front to back, wherein the front axle segment loading frame 120 and the rear axle segment loading frame 140 both correspond to the positions of the vehicle tires, and the bottoms of the front axle segment loading frame 120 and the rear axle segment loading frame 140 both define a first accommodating space 121 and a first accommodating space 141 for accommodating a part of the wheel 600, and the first accommodating space 121 and the first accommodating space 141 are formed by being recessed upward from the bottoms of the front axle segment loading frame 120 and the rear axle segment loading frame 140, preferably, the first accommodating space 121 and the first accommodating space 141 are used for accommodating the upper half part of the wheel 600. The frame 100 in the prior art is in the same plane from front to back in the longitudinal direction of the vehicle, does not have the height difference of the present application, and does not have an accommodating space for accommodating the wheel 600, so that the lowest point of the frame 100 is higher than the wheel 600. In this embodiment, the height difference and the first accommodating space 121/141 are provided, so that the lowest point of the frame 100 is lower than the wheel 600, thereby reducing the height of the frame 100 from the ground, and the vehicle floor 700 is connected with the frame 100, thereby reducing the distance between the floor 700 and the ground, facilitating passengers to get on or off the vehicle, and being capable of matching with the height of the existing platform in the passenger area.
Fig. 2 is a schematic view of a structure in which a frame for a vehicle is engaged with a cab frame according to an embodiment of the present invention. In a preferred embodiment, the frame 100 has a rigidity less than that of the cab frame 400 of the vehicle, and as shown in fig. 2, the front-side-sill type frame 110 is connected to the cab frame 400 by a first bracket 310, and the middle-side-sill type frame 130 is connected to the cab frame 400 by a second bracket 320 having a strength and rigidity less than those of the first bracket 310. In the present embodiment, when a vehicle collides, even if a collision point falls on the cab frame 400, a collision force is transmitted backward because the rigidity of the vehicle frame 100 is less than that of the cab frame 400, and thus deformation of the cab frame 400 is not caused, and thus, a passenger in the cab is not injured, which greatly improves the safety of the vehicle.
In a preferred embodiment, the front frame 110 is fixedly connected to the first bracket 310, and the middle frame 130 is connected to the second bracket 320 by a guide rail, which is movably connected. In this embodiment, the front end of the cab frame 400 is fixedly connected to the front end side rail frame 110 through the first bracket 310, the connection strength and rigidity are high, the cab frame is not easily damaged under collision impact, the rear end is movably connected to the middle section side rail frame 130 through the second bracket 320, and when a vehicle collides, the second bracket 320 located at the rear end of the cab frame 400 drives the cab frame 400 to move backward along the longitudinal direction of the vehicle, so that the collision force on the cab frame 400 is reduced, the injury to passengers in the cab is further reduced, and the safety of the vehicle is improved to a greater extent. More preferably, the seat support 330 is arranged between the first support 310 and the second support 320, the seat 500 is mounted on the seat support 330, the seat support 330 has high rigidity and ensures collision living space, the seat support 330 is mounted on the frame 100, and a fixing point of the seat support 330 on the front axle section bearing type frame 120 is damaged in a single direction during collision, and the front and rear suspension systems 200 and the frame 100 are connected with the driver and passenger seat 500 after collision, so that the integrated type vehicle can be collapsed, collision impact energy is absorbed, and the safety of the whole vehicle is improved.
In a specific embodiment, when the vehicle is impacted by a strong collision, the first bracket 310 is installed on the front-section edge-beam type frame 110, the installation is firm and not damaged, and the frame 100 has large rigidity and small deformation; the impact force is transmitted to the front axle section load-bearing frame 120, and if the frame 100 needs to deform and absorb energy due to small longitudinal rigidity, the section of the frame 100 collapses to absorb the impact energy of collision; the impact force is transmitted to the middle section edge beam type frame 130, the rigidity of the frame 100 is large, the deformation is small, if deformation and energy absorption are needed, the mounting bracket 9 behind the vehicle body (cab) is firstly damaged longitudinally, and then the vehicle body (cab) can move along the longitudinal position of the frame 100 and move backwards along with the collapse deformation of the frame 100, so that the sufficient living space for drivers and passengers is ensured.
In a specific embodiment, the cross-sectional structures of the front, middle, and rear side frame 110, 130, and 150 are designed according to the bearing capacity of the vehicle, and the redundant portions are designed to reduce the weight, so that the frame 100 can meet both the safety requirement and the light weight requirement of the vehicle.
In one embodiment, each of the front, middle, and rear side frame 110, 130, 150 includes two longitudinal beams extending in the longitudinal direction of the vehicle, the cross-sections of the longitudinal beams in the transverse direction of the vehicle are U-shaped to have an opening, and the openings of the two longitudinal beams are disposed opposite to each other, and the transverse cross-sections of the longitudinal beams are U-shaped to improve the strength and the longitudinal rigidity thereof.
In one embodiment, the front frame 110 is formed by splicing two cross members and two longitudinal members, and one end of each longitudinal member extends rearward in the longitudinal direction of the vehicle, and the extended rear end is connected to the front axle-section-carrying frame 120. The middle-section edge-beam frame 130 is formed by splicing two longitudinal beams and a cross beam into an H shape, and two ends of the two longitudinal beams are respectively connected with the front axle section bearing frame 120 and the rear axle section bearing frame 140. The rear-section side-rail frame 150 is formed by splicing two longitudinal rails and a cross beam, the cross beam is connected to one end of the two longitudinal rails, and the other end of the two longitudinal rails is connected to the rear-axle-section load-bearing frame 140. Preferably, the top surfaces of the front, middle and rear side frame 110, 130, 150 are in the same plane, and the bottom surfaces are in the same plane.
In one embodiment, the front axle-section truck frame 120 and the rear axle-section truck frame 140 are formed by splicing a plurality of cross beams, longitudinal beams, and oblique beams. In contrast, the front axle section load-bearing frame 120 and the rear axle section load-bearing frame have high longitudinal strength but slightly low longitudinal stiffness, and can be collapsed and absorb energy. Thereby being matched with the other three sections of the vehicle frames 100 to transmit and absorb the collision force and reducing the damage to the maximum extent. Preferably, the length of the rear axle-section supporting frame 140 in the longitudinal direction of the vehicle is greater than that of the front axle-section supporting frame 120, so that two wheels 600 arranged in the longitudinal direction of the vehicle can be correspondingly arranged at the position of the rear axle-section supporting frame 140, and one wheel 600 arranged in the longitudinal direction of the vehicle is correspondingly arranged at the position of the front axle-section supporting frame 120. Of course, in other embodiments, the size of the five-section frame can be set according to the actual requirement of the vehicle.
In a preferred embodiment, the top surfaces of the front axle-section load-bearing frame 120 and the rear axle-section load-bearing frame 140 are rectangular, and the front axle-section load-bearing frame 120 and the rear axle-section load-bearing frame 140 penetrate in the vertical direction of the vehicle to form a second accommodating space. The second accommodating space can be used for arranging systems of vehicles and the like, and the transformation of commercial vehicles is convenient to realize. Preferably, the front section boundary beam type frame 110, the middle section boundary beam type frame 130 and the rear section boundary beam type frame 150 are spliced through the longitudinal and transverse beams, and all have accommodating spaces, so that the vehicle body, the power system, the chassis and electric devices can be conveniently installed, the configuration change is more convenient, and the modification and the development of various vehicle types are realized.
FIG. 3 is a schematic structural view of a frame for a vehicle in cooperation with a suspension system according to one embodiment of the present invention. FIG. 4 is a schematic structural diagram of a frame for a vehicle in cooperation with a front suspension system, according to one embodiment of the present invention. FIG. 5 is a schematic diagram of a frame and rear suspension system for a vehicle in accordance with one embodiment of the present invention. As shown in fig. 3, the bottom portions of front axle-segment-carrying frame 120 and rear axle-segment-carrying frame 140 also correspond to front and rear suspension systems 200 of the vehicle, and since the ground clearance of front axle-segment-carrying frame 120 and rear axle-segment-carrying frame 140 is reduced, the ground clearance of front and rear suspension systems 200 is correspondingly reduced. Preferably, the height of the vehicle frame 100 can be reduced by more than 50% compared to the prior art.
In a specific embodiment, the front axle-section supporting frame 120 and the rear axle-section supporting frame 140 are made of steel materials with strength greater than a predetermined value, and further, the front axle-section supporting frame 120 and the rear axle-section supporting frame 140 are thin-walled profiles. Preferably, the longitudinal beams, the front axle section load-bearing frame 120 and the rear axle section load-bearing frame 140 forming the front section edge beam type frame 110, the middle section edge beam type frame 130 and the rear section edge beam type frame 150 are made of high-strength steel with the same specification, so that the welding and the punch forming are facilitated, and the thickness and the weight of the steel material are reduced.
In one embodiment, the front side frame 110, the front axle frame 120, the middle side frame 130, the rear axle frame 140, and the rear side frame 150 are sequentially connected by welding.
With continued reference to fig. 2, the present invention also provides a vehicle generally including a vehicle frame 100 provided in any of the embodiments described above. The frame 100 is a five-segment type, two sides of the front axle segment loading frame 120 and the rear axle segment loading frame 140 in the vehicle vertical direction are all protruded from the front end side beam type frame 110, the middle end side beam type frame 130 and the rear end side beam type frame 150, that is, a certain height difference exists between the five segments from front to back in the vehicle longitudinal direction, wherein the front axle segment loading frame 120 and the rear axle segment loading frame 140 both correspond to the positions of the vehicle tires, and both bottoms thereof define a first accommodating space 121/141 for accommodating a part of the wheel 600, and the first accommodating space 121/141 is formed by upward sinking from the bottom of the front axle segment loading frame 120 or the rear axle segment loading frame 140, preferably, the first accommodating space 121/141 is used for accommodating the upper half part of the wheel 600. The frame 100 in the prior art is in the same plane from front to back in the longitudinal direction of the vehicle, does not have the height difference of the present application, and does not have an accommodating space for accommodating the wheel 600, so that the lowest point of the frame 100 is higher than the wheel 600. In this embodiment, the height difference and the first accommodating space 121/141 are provided, so that the lowest point of the frame 100 is lower than the wheel 600, thereby reducing the height of the frame 100 from the ground, and the vehicle floor 700 is connected with the frame 100, thereby reducing the distance between the floor 700 and the ground, facilitating passengers to get on or off the vehicle, and being capable of matching with the height of the existing platform in the passenger area.
In a preferred embodiment, the vehicle further includes a cab frame 400, a first bracket 310, a second bracket 320, and a floor 700. The rigidity of the cab frame 400 is greater than that of the vehicle frame 100, and when a vehicle collides, even if a collision point falls on the cab frame 400, collision force is transmitted backward because the rigidity of the vehicle frame 100 is less than that of the cab frame 400, so that deformation of the cab frame 400 is not caused, passengers in the cab are not injured, and the safety of the vehicle is greatly improved. The first bracket 310 is used to connect the front side sill 110 to the cab frame 400. The second bracket 320 is used for connecting the middle section edge beam type frame 130 with the cab frame 400, the strength and rigidity of the second bracket 320 are smaller than those of the first bracket 310, the front end of the cab frame 400 is fixedly connected with the front section edge beam type frame 110 through the first bracket 310, the rear end of the cab frame is movably connected with the middle section edge beam type frame 130 through the second bracket 320, when a vehicle collides, the second bracket 320 positioned at the rear end of the cab frame 400 drives the cab frame 400 to move backwards along the longitudinal direction of the vehicle, so that the collision force on the cab frame 400 is weakened, the injury to passengers in the cab is further reduced, and the safety of the vehicle is improved to a greater extent. The cab frame 400 is connected to the frame 100 through the first and second brackets 310 and 320, increasing the distance between the cab and the frame 100, and improving the vibration isolation and sound insulation effects. Fig. 6 is a schematic structural view of a floor panel of a vehicle according to an embodiment of the present invention. As shown in fig. 6, the floor 700 is connected to the frame 100, and a boss 710 is disposed on the floor 700 at a position corresponding to the wheel 600, so that the boss 710 can make the floor 700 give way for the wheel 600, thereby reducing the height of the floor 700 from the ground.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A frame for a vehicle, comprising:
the front-section side beam type frame, the front-shaft-section bearing type frame, the middle-section side beam type frame, the rear-axle-section bearing type frame and the rear-section side beam type frame are fixedly connected in sequence from front to back along the longitudinal direction of the vehicle; wherein the content of the first and second substances,
the front section boundary beam type frame, the middle section boundary beam type frame and the rear section boundary beam type frame all comprise a plurality of cross beams and longitudinal beams, the two sides of the front shaft section bearing type frame and the two sides of the rear axle section bearing type frame in the vertical direction of the vehicle are all protruded out of the front section boundary beam type frame, the middle section boundary beam type frame and the rear section boundary beam type frame, and the bottom of the front shaft section bearing type frame and the bottom of the rear axle section bearing type frame are respectively limited to be used for containing a part of wheels of the vehicle.
2. The vehicle frame of claim 1,
the frame has a stiffness less than a stiffness of a cab frame of the vehicle; and the front section edge beam type frame is connected with the cab frame through a first support, and the middle section edge beam type frame is connected with the cab frame through a second support with the strength and rigidity smaller than those of the first support.
3. The frame of claim 2, wherein the front section side rail frame is fixedly connected to the first bracket, and the middle section side rail frame is connected to the second bracket via a guide rail.
4. The frame of claim 1, wherein the cross-sectional configurations of the front, middle and rear rocker frames are designed according to the load carrying capacity of the vehicle.
5. The vehicle frame of claim 1, wherein each of said front, middle and rear side rail frames includes two longitudinal rails extending in a longitudinal direction of said vehicle, each of said longitudinal rails having a U-shaped cross-section in a transverse direction of said vehicle so as to have an opening, and wherein said openings of said longitudinal rails are disposed opposite to each other.
6. The vehicle frame according to any one of claims 1 to 5, wherein the top surfaces of the front axle section load-bearing vehicle frame and the rear axle section load-bearing vehicle frame are rectangular, and the front axle section load-bearing vehicle frame and the rear axle section load-bearing vehicle frame penetrate vertically along the vehicle to form a second accommodating space.
7. The frame of claim 6, wherein the front axle-section-carrying frame and the rear axle-section-carrying frame are both made of steel having a strength greater than a predetermined value.
8. The frame of claim 1, wherein the front section side rail frame, the front axle section load-carrying frame, the middle section side rail frame, the rear axle section load-carrying frame and the rear section side rail frame are connected in sequence by welding.
9. A vehicle comprising a frame as claimed in any one of claims 1 to 8.
10. The vehicle of claim 9, further comprising:
a cab frame having a stiffness greater than the frame;
the first bracket is used for connecting the front-section edge beam type frame with the cab frame;
the second bracket is used for connecting the middle section boundary beam type frame with the cab frame, and the strength and the rigidity of the second bracket are both smaller than those of the first bracket; and
the floor is connected with the frame, and a boss is arranged on the floor corresponding to the wheel.
CN202110581967.3A 2021-05-24 2021-05-24 Frame for vehicle and vehicle Pending CN113212554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110581967.3A CN113212554A (en) 2021-05-24 2021-05-24 Frame for vehicle and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110581967.3A CN113212554A (en) 2021-05-24 2021-05-24 Frame for vehicle and vehicle

Publications (1)

Publication Number Publication Date
CN113212554A true CN113212554A (en) 2021-08-06

Family

ID=77099109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110581967.3A Pending CN113212554A (en) 2021-05-24 2021-05-24 Frame for vehicle and vehicle

Country Status (1)

Country Link
CN (1) CN113212554A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000272537A (en) * 1999-03-29 2000-10-03 Isuzu Motors Ltd Safety device against chassis frame collision in vehicle
CN201777132U (en) * 2010-04-30 2011-03-30 比亚迪股份有限公司 Passenger car chassis
CN103153764A (en) * 2010-10-04 2013-06-12 沃尔沃拉斯特瓦格纳公司 Vehicle comprising a deformation structure
CN103552604A (en) * 2013-10-08 2014-02-05 安徽江淮汽车股份有限公司 Automobile longitudinal beam structure
CN104494700A (en) * 2014-12-22 2015-04-08 石宇 Wheel-beam axleless frame
CN109204522A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN110962935A (en) * 2018-09-30 2020-04-07 郑州宇通客车股份有限公司 Low-floor vehicle and frame thereof
CN210707614U (en) * 2019-10-18 2020-06-09 东风小康汽车有限公司重庆分公司 Front longitudinal beam structure
CN111845946A (en) * 2020-07-15 2020-10-30 阿尔特汽车技术股份有限公司 Low-cargo-table new-energy light truck

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000272537A (en) * 1999-03-29 2000-10-03 Isuzu Motors Ltd Safety device against chassis frame collision in vehicle
CN201777132U (en) * 2010-04-30 2011-03-30 比亚迪股份有限公司 Passenger car chassis
CN103153764A (en) * 2010-10-04 2013-06-12 沃尔沃拉斯特瓦格纳公司 Vehicle comprising a deformation structure
CN103552604A (en) * 2013-10-08 2014-02-05 安徽江淮汽车股份有限公司 Automobile longitudinal beam structure
CN104494700A (en) * 2014-12-22 2015-04-08 石宇 Wheel-beam axleless frame
CN109204522A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Body structure and vehicle
CN110962935A (en) * 2018-09-30 2020-04-07 郑州宇通客车股份有限公司 Low-floor vehicle and frame thereof
CN210707614U (en) * 2019-10-18 2020-06-09 东风小康汽车有限公司重庆分公司 Front longitudinal beam structure
CN111845946A (en) * 2020-07-15 2020-10-30 阿尔特汽车技术股份有限公司 Low-cargo-table new-energy light truck

Similar Documents

Publication Publication Date Title
EP2990307B1 (en) Rear part structure of vehicle
US10005349B2 (en) Structural underbody support in a vehicle
CN109204496B (en) Vehicle body structure and vehicle
US20040245033A1 (en) Vehicle body structure
EP1705107A1 (en) A front subframe of a motor vehicle
CN106143626A (en) Electric automobile lower front body structure
EP2412599B1 (en) Railcar
CN102398632A (en) Frame structure for the body floor of a motor vehicle, floor unit, underbody and vehicle body
CN106143646A (en) Electric car body substructure
CN106005013A (en) Electric car front fender lower beam
CN114475811A (en) Vehicle body connecting structure, vehicle body structure and vehicle
CN113492914A (en) Vehicle support structure assembly and method of assembly
CN114379686B (en) Vehicle body and vehicle comprising same
CN113212554A (en) Frame for vehicle and vehicle
CN114132383B (en) Floor assembly for electric vehicle
CN113942577B (en) Preceding sub vehicle frame assembly reaches car including it
CN115503834A (en) Vehicle front structure
CN112074451B (en) Vehicle structure with reinforcing longitudinal beam
CN110316251B (en) Front frame and passenger car
CN113682385A (en) Cab and vehicle
CN108622201B (en) Vehicle body structure for absorbing side impact
CN109823396B (en) Rear frame assembly of chassis of vehicle body
CN118082977A (en) Electric automobile base of traveling
CN109204495B (en) Vehicle body structure and vehicle
CN117698844A (en) Vehicle comprising a crash protection structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210806