CN211943508U

CN211943508U - Modular composite frame

Info

Publication number: CN211943508U
Application number: CN201921116141.4U
Authority: CN
Inventors: 杨敏; 蔡隆玉; 马竹樵; 金皓群; 方志豪; 张孝蹯; 吴云涛
Original assignee: Nanjing University of Information Science and Technology
Current assignee: Nanjing University of Information Science and Technology
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-11-17
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses the design is a compound frame of modularization, and the technical problem that solve lies in providing the connecting piece between the compound frame of modularization can be according to different demand adjustments. The connecting device comprises a steering wheel support connecting piece, a vehicle bottom frame connecting piece and a driving wheel support connecting piece, wherein the steering wheel support connecting piece and the driving wheel support connecting piece are made of metal materials, the vehicle bottom frame connecting piece is made of composite materials and metal materials, and the steering wheel support connecting piece, the vehicle bottom frame connecting piece and the driving wheel support connecting piece are respectively formed by mutually inserting and welding a plurality of longitudinal beams and cross beams. The automobile frame is used for solving the current situation that the existing automobile frame is single. Another object of the utility model is to provide a light-duty electric motor car, its frame has higher rigidity, effectively reduces whole car weight, reduces the energy consumption, improves the continuation of the journey mileage to can simplify the assembly manufacturing process, raise the efficiency.

Description

Modular composite frame

Technical Field

The invention relates to the technical field of vehicle frames, in particular to a vehicle frame made of modular composite materials.

Background

The automobile becomes an important transportation tool for people to live and go out, and along with the development of vehicle technology and the diversity of market demands, the modularization and the light weight of the frame become the main research direction in the automobile field. On the premise of ensuring the safety of the automobile, the whole automobile mass of the automobile is reduced as much as possible so as to improve the dynamic property of the automobile, and meanwhile, the modularization of the automobile frame can meet the performance requirements of different whole automobile types; especially for miniature electric vehicles, the light weight and modularization of the frame are important for electric vehicles under the condition that the development of batteries falls into a bottleneck.

Disclosure of Invention

The invention aims to provide a modular frame, which is used for solving the problem that one frame of the existing minicar can only be adapted to a single vehicle type.

The invention also aims to provide a multi-material compounded light frame which has higher rigidity, effectively reduces the weight of the whole vehicle, reduces the energy consumption and improves the endurance mileage; and the assembling and manufacturing processes can be simplified, and the efficiency can be improved.

The invention discloses a modular composite frame which comprises a steering wheel support module, a chassis module and a driving wheel support module. The modules are compounded by various materials such as aluminum pipes, carbon fiber pipes and the like.

The invention can achieve the following effects: according to the different requirements of the whole vehicle performance, the structure of the vehicle frame can be adjusted by quickly adjusting the connecting blocks and the positions of the bolts, so that the different requirements of the whole vehicle performance are met, and meanwhile, the vehicle frame is light in weight compared with other vehicle frames made of materials.

Drawings

The foregoing and other objects, features, advantages and embodiments of the invention will be more readily understood from the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 shows an isometric view of a composite vehicle frame in accordance with an embodiment of the present invention;

FIG. 2 illustrates an exploded view of a composite frame assembly in accordance with one embodiment of the present invention;

FIG. 3 illustrates a schematic view of a composite frame assembly after assembly in accordance with one embodiment of the present invention;

FIG. 4 illustrates a front view of the composite frame of FIG. 1;

FIG. 5 illustrates a top view of the composite frame of FIG. 1;

FIG. 6 illustrates a side view of the composite frame of FIG. 1;

fig. 7 shows a bottom view of the composite vehicle frame of fig. 1.

[ description of main symbol elements ]

1: aluminum alloy square tube 8: carbon fiber crossbeam

2: carbon fiber tube bracing 9: carbon fiber longitudinal beam

3: aluminum alloy connecting block 10: carbon fiber longitudinal beam

4: aluminum alloy seat support 11: steering wheel support module

5: aluminum alloy square tube 12: vehicle chassis module

6: drive motor placing block 13: driving wheel support module

7: carbon fiber longitudinal beam

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1 to 7, the modular composite frame main body of the present invention comprises a frame module 12, a steering wheel support module 11 and a driving wheel support module 13; the steering wheel support module 11 and the driving wheel support module 13 are formed by welding a plurality of aluminum alloy square tubes 5; the chassis module 12 is provided with a plurality of aluminum alloy connecting blocks 3 which are connected with a plurality of carbon fiber cross beams 8, carbon fiber longitudinal beams 9 and carbon fiber longitudinal beams 10 by bolts; the aluminum alloy square tube 1 is connected with a plurality of carbon fiber longitudinal beams 9 and carbon fiber longitudinal beams 10 by adopting a bonding process; the driving motor placing block 6 is connected with the driving wheel module 13 through bolts. The steering wheel support module 11 and the driving wheel support module 13 are connected with the vehicle chassis module 12 through bolt connection and bonding processes, and the vehicle chassis is modularly designed through arrangement of the connection structure, so that the vehicle chassis is convenient to manufacture and install, the installation precision is ensured, the production cost is reduced, and the appearance is attractive; the aluminum alloy square tube 5, the carbon fiber cross beam 8, the carbon fiber longitudinal beam 9 and the carbon fiber longitudinal beam 10 are all sectional materials, and are good in mechanical property, so that the light weight of the frame is realized, and meanwhile, the safety standard is also reached.

The steering wheel support module 11 is formed by welding a plurality of aluminum alloy square tubes 5 and is connected with the vehicle chassis module 12 in a hole-inserting and bolt-fixing mode, so that the disassembly is convenient, and the expandable space is large; the steering wheel support module 11 is punched to be used for fixing the steering module, and the height of the portal frame can be adjusted according to requirements.

The chassis module 12 is connected with the carbon fiber cross beams 8, the carbon fiber longitudinal beams 9 and the carbon fiber longitudinal beams 10 by a plurality of aluminum alloy connecting blocks 3 through a bolt fixing method; the lengths of the carbon fiber cross beam 8, the carbon fiber longitudinal beam 9 and the carbon fiber longitudinal beam 10 can be freely adjusted according to the use requirement. The space in the carbon tube longitudinal beam can be used for wiring, and internal circuits are optimized; the seat support 4 is fixed on the aluminum connecting block, and the length can be freely adjusted; the carbon fiber inclined strut 2 plays a role in connecting the driving wheel module 13 with the vehicle chassis module 12, and stability during driving is improved. The combined integral frame is assembled in a modular mode, the structure is simple, the manufacturing and the installation are convenient, the installation precision is ensured, and the production cost is reduced.

The driving wheel support module 13 is formed by welding a plurality of aluminum alloy square tubes 5 and is fixedly connected with a third bolt through a bonding process after being spliced with the longitudinal beam of the vehicle chassis module 12.

Claims

1. The utility model provides a compound frame of modularization, includes directive wheel leg joint spare, vehicle bottom frame connecting piece and drive wheel leg joint spare, and wherein directive wheel leg joint spare and drive wheel leg joint spare use metal material to make, and vehicle bottom frame connecting piece is made by combined material and metal material, directive wheel leg joint spare, vehicle bottom frame connecting piece and drive wheel leg joint spare are pegged graft each other and are welded by a plurality of longerons, crossbeam respectively and form its characterized in that: the connecting pieces between the modular composite frames can be adjusted according to different requirements.

2. A modular composite frame as set forth in claim 1, wherein: the composite material section is made of carbon fiber materials, and the metal section and the connecting block are made of aluminum alloy materials.

3. A modular composite frame as set forth in claim 1, wherein: the steering wheel support connecting piece, the vehicle bottom frame connecting piece and the driving wheel support connecting piece are all provided with inserting sleeves.

4. A modular composite frame as set forth in claim 3, wherein: easy dismounting, and adjustable space is big.

5. A modular composite frame as set forth in claim 3, wherein: the metal materials are connected by adopting a welding process, and the steering wheel bracket connecting piece and the vehicle underframe connecting piece are mutually inserted and connected by a second bolt.

6. A modular composite frame as set forth in claim 3, wherein: the metal material is connected by adopting a welding process, is connected with the vehicle underframe connecting piece by adopting insertion and bonding, and is connected with the vehicle underframe connecting piece and the driving wheel connecting piece by the second bolt, and the composite material inclined strut is connected with the vehicle underframe connecting piece and the driving wheel connecting piece, so that the structural strength is enhanced.

7. A modular composite frame as set forth in claim 4, wherein: the composite material and the metal material are connected in an inserting mode and are connected through bolts.

8. The modular composite frame of claim 7, wherein: the cross beam and the metal connecting block are mutually inserted and connected and are fixedly connected through a second bolt; the longitudinal beam and the metal connecting block are mutually inserted and connected through a second bolt and are connected with the metal cross beam in an adhesive mode, and the metal cross beam is a section beam.