CN108674486B - EVA type electric vehicle safety vehicle body framework - Google Patents
EVA type electric vehicle safety vehicle body framework Download PDFInfo
- Publication number
- CN108674486B CN108674486B CN201810530725.XA CN201810530725A CN108674486B CN 108674486 B CN108674486 B CN 108674486B CN 201810530725 A CN201810530725 A CN 201810530725A CN 108674486 B CN108674486 B CN 108674486B
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- Prior art keywords
- main longitudinal
- collision
- welded
- vehicle body
- grid plate
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- 238000005452 bending Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 229910000639 Spring steel Inorganic materials 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D23/00—Combined superstructure and frame, i.e. monocoque constructions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
-
- 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
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/52—Radiator or grille guards ; Radiator grilles
- B60R2019/525—Radiator grilles
- B60R2019/527—Radiator grilles integral with bumpers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The application relates to an EVA electric vehicle safety vehicle body framework, which comprises: diagonal bracing, perforated plate, grid plate; the middle part of the side view of the main longitudinal beam is bent in an inverted trapezoid shape, and the main longitudinal beam is symmetrically arranged at two parallel positions left and right; the connecting beam is welded at the top of the left side of the inverted trapezoid bending part in the middle of the main longitudinal beam, and a porous plate is welded at the middle position of the connecting beam and the left main cross beam; the connecting beam is connected with the stiffening beam at the middle position through the diagonal bracing beam, and the diagonal bracing beam is welded at the middle part of the connecting beam and the stiffening beam at the middle position; the application has the advantages of reasonable and stable structure, high safety, good heat dissipation and the like, thereby effectively solving the problems and the shortcomings of the prior art.
Description
Technical Field
The application relates to the technical field of electric vehicles, in particular to an EVA type electric vehicle safety vehicle body framework.
Background
Electric vehicles, namely electric drive vehicles, are classified into alternating current electric vehicles and direct current electric vehicles, and generally, electric vehicles are vehicles which use batteries as energy sources, convert electric energy into mechanical energy for movement through a controller, a motor and other components, and control the current magnitude to change the speed.
The frame of the electric vehicle is a matrix of the whole electric vehicle, and is a metal framework for connecting the assemblies and the components of the electric vehicle into a whole, so that the assemblies keep relatively correct positions and bear various loads inside and outside the vehicle, and the rationality of the frame influences the overall safety and comfort of the electric vehicle.
The body frame of traditional electric motor car has mostly only set up crashproof roof beam, does not have other crashproof structures, and the security performance is low, and the radiating performance of group battery of installation is poor moreover.
In view of the above, an objective of the present application is to solve the problems and to improve the practical value by providing an EVA type electric vehicle safety body structure.
Disclosure of Invention
The application aims to provide an EVA type electric vehicle safety vehicle body framework, which solves the problems and the defects that the conventional electric vehicle body framework provided in the background art is mainly provided with an anti-collision beam, has no other anti-collision structure, has low safety performance and has poor heat dissipation performance of an installed battery pack.
In order to achieve the above purpose, the application provides an EVA type electric vehicle safety vehicle body structure, which is achieved by the following specific technical means:
an EVA type electric vehicle safety vehicle body architecture, comprising: the system comprises a main longitudinal beam, a main cross beam, a reinforcing beam, an inclined supporting beam, a porous plate, a connecting beam, an energy absorption box, a front anti-collision beam, a rear anti-collision beam, a vehicle body framework and a grid plate; the middle part of the side view of the main longitudinal beam is bent in an inverted trapezoid shape, and the main longitudinal beam is symmetrically provided with two parallel parts; the two sides of the main longitudinal beam are welded with main cross beams, and the bottoms of the inverted trapezoid bending parts in the middle of the main longitudinal beam are welded with three equidistant and parallel stiffening beams; the connecting beam is welded at the top of the left side of the inverted trapezoid bending part in the middle of the main longitudinal beam, and a porous plate is welded at the middle position of the connecting beam and the left main cross beam; the connecting beam is connected with the stiffening beam at the middle position through the diagonal bracing beam, and the diagonal bracing beam is welded at the middle part of the connecting beam and the stiffening beam at the middle position; the middle reinforcing beam is connected with the right reinforcing beam through the reinforcing beam, and the middle parts of the middle reinforcing beam and the right reinforcing beam are welded with the reinforcing beam; the energy absorption boxes are fixed at the left end and the right end of the main longitudinal beam through bolts, the left sides of the two energy absorption boxes on the left side are fixed with front anti-collision beams through bolts, and the right sides of the two energy absorption boxes on the right side are fixed with rear anti-collision beams through bolts; the automobile body skeleton welds directly over the main longitudinal beam, and the intermediate position of automobile body skeleton and preceding crashproof roof beam is provided with the grid board, and the grid board is connected with automobile body skeleton and preceding crashproof roof beam through the bolt fastening mode.
As a further optimization of the technical scheme, the side view of the grid plate is arc-shaped, and the upper part of the grid plate is provided with the headlight embedding holes and the grid-shaped ventilation holes.
As a further optimization of the technical scheme, the grid plate is made of spring steel, and the left side of the grid plate protrudes out of the arc-shaped surface of the front anti-collision beam.
As a further optimization of the technical scheme, the EVA type electric vehicle safety vehicle body framework is characterized in that the perforated plate is rectangular, and the upper part of the perforated plate is provided with circular through holes with N rectangular arrays.
As a further optimization of the technical scheme, the inclined bracing beam and the main longitudinal beam form an included angle of twenty degrees.
As a further optimization of the technical scheme, the front anti-collision beam and the rear anti-collision Liang Fushi of the EVA type electric vehicle safety vehicle body framework are arc-shaped.
Due to the application of the technical scheme, compared with the prior art, the application has the following advantages:
1. the arc-shaped grid plate manufactured by the spring steel is beneficial to bearing a certain load when collision occurs, plays a role in buffering, and is double-protection when the load is large, and the front anti-collision beam bears the load again, so that the safety performance is improved.
2. The perforated plate is arranged, so that heat dissipation of the battery pack through the through holes of the perforated plate after the battery pack is arranged on the perforated plate is facilitated.
3. The application is used for supporting the connecting beam and the reinforcing beam by arranging the diagonal bracing beam, so that the overall stability of the front part of the frame is improved.
4. The EVA type electric vehicle safety vehicle body structure has the advantages of reasonable and stable structure, high safety, good heat dissipation and the like through improvement of the EVA type electric vehicle safety vehicle body structure, so that the problem and the defect of the EVA type electric vehicle safety vehicle body structure in the background art are effectively solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of an axial structure of the present application;
FIG. 2 is a schematic elevational view of the present application;
FIG. 3 is a schematic side view of the frame of the present application;
fig. 4 is a schematic top view of the frame of the present application.
In the figure: the main longitudinal beam 1, the main transverse beam 2, the reinforcing beam 3, the reinforcing beam 4, the diagonal bracing beam 5, the perforated plate 6, the connecting beam 601, the energy absorption box 7, the front anti-collision beam 8, the rear anti-collision beam 801, the vehicle body framework 9 and the grid plate 10.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
In the description of the present application, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present application, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, the present application provides a specific technical embodiment of an EVA type electric vehicle safety body structure:
an EVA type electric vehicle safety vehicle body architecture, comprising: the main longitudinal beam 1, the main transverse beam 2, the stiffening beam 3, the stiffening beam 4, the diagonal bracing beam 5, the perforated plate 6, the connecting beam 601, the energy absorption box 7, the front anti-collision beam 8, the rear anti-collision beam 801, the vehicle body framework 9 and the grid plate 10; the middle part of the side view of the main longitudinal beam 1 is bent in an inverted trapezoid shape, and the main longitudinal beam 1 is symmetrically arranged at two parallel positions left and right; the two sides of the main longitudinal beam 1 are welded with a main cross beam 2, and the bottom of an inverted trapezoid bending part in the middle of the main longitudinal beam 1 is welded with three equidistant and parallel stiffening beams 3; the connecting beam 601 is welded at the top of the left side of the inverted trapezoid bending part in the middle of the main longitudinal beam 1, and a porous plate 6 is welded at the middle position of the connecting beam 601 and the left main cross beam 2; the connecting beam 601 is connected with the reinforcing beam 3 at the middle position through the diagonal bracing beam 5, and the diagonal bracing beam 5 is welded at the middle part of the connecting beam 601 and the reinforcing beam 3 at the middle position; the middle reinforcing beam 3 is connected with the right reinforcing beam 3 through the reinforcing beam 4, and the reinforcing beam 4 is welded at the middle parts of the middle reinforcing beam 3 and the right reinforcing beam 3; the energy absorption boxes 7 are fixed at the left end and the right end of the main longitudinal beam 1 through bolts, the left sides of the two energy absorption boxes 7 on the left side are fixed with front anti-collision beams 8 through bolts, and the right sides of the two energy absorption boxes 7 on the right side are fixed with rear anti-collision beams 801 through bolts; the automobile body skeleton 9 is welded directly over the main longitudinal beam 1, a grid plate 10 is arranged in the middle of the automobile body skeleton 9 and the front anti-collision beam 8, and the grid plate 10 is connected with the automobile body skeleton 9 and the front anti-collision beam 8 in a bolt fixing mode.
Specifically, the side view of the grid plate 10 is arc-shaped, and the upper part of the grid plate 10 is provided with a headlight embedding hole and grid-shaped ventilation holes.
Specifically, the grid plate 10 is made of spring steel, and the left side of the grid plate 10 protrudes out of the arc-shaped surface of the front anti-collision beam 8.
Specifically, the perforated plate 6 is rectangular, and the upper portion of the perforated plate 6 is provided with circular through holes with N rectangular arrays, and the top of the perforated plate 6 is a battery pack mounting position.
Specifically, the inclined strut beam 5 forms an included angle of twenty degrees with the main longitudinal beam 1.
Specifically, the front impact beam 8 and the rear impact beam 801 are arc-shaped in plan view.
Specific implementation steps
The diagonal bracing beam 5 is used for supporting the connecting beam 601 and the reinforcing beam 4 in the middle position, the overall stability of the front part of the frame is improved, the reinforcing beam 4 is welded with the reinforcing beam 3 in the middle and on the right side to form an H-shaped structure for installing a driver and a copilot seat, the upper part of the porous plate 6 is used for installing a battery pack, the heat dissipation performance is improved through the through holes of the porous plate 6, the grid plate 10 is installed at the top of the front anti-collision beam 8 and protrudes to the left of the arc surface of the front anti-collision beam 8, when collision occurs, the grid plate 10 bears a certain load at first, the buffer effect is achieved, and when the load is large, the front anti-collision beam 8 bears the load again, double protection is achieved, and the safety performance is improved.
To sum up: the EVA type electric vehicle safety vehicle body framework is characterized in that an arc-shaped grid plate made of spring steel is arranged, so that the grid plate is favorable for bearing a certain load at first during collision, a buffer effect is achieved, when the load is large, the front anti-collision beam is further subjected to load, double protection is achieved, the safety performance is improved, through the arrangement of the porous plate, the battery pack is favorable for radiating through the through holes of the porous plate after being arranged on the porous plate, the inclined supporting beam is arranged for supporting the connecting beam, and the integral stability of the front part of a vehicle frame is improved.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An EVA type electric vehicle safety vehicle body architecture, comprising: the energy absorption box comprises a main longitudinal beam (1), a main cross beam (2), a reinforcing beam (3), a reinforcing beam (4), an inclined supporting beam (5), a porous plate (6), a connecting beam (601), an energy absorption box (7), a front anti-collision beam (8), a rear anti-collision beam (801), a vehicle body framework (9) and a grid plate (10); the method is characterized in that: the middle of the side view of the main longitudinal beam (1) is bent in an inverted trapezoid shape, and the main longitudinal beam (1) is symmetrically arranged at two parallel positions; the two sides of the main longitudinal beam (1) are welded with a main cross beam (2), and the bottom of an inverted trapezoid bending part in the middle of the main longitudinal beam (1) is welded with three equidistant and parallel stiffening beams (3); the connecting beam (601) is welded at the top of the left side of the inverted trapezoid bending part in the middle of the main longitudinal beam (1), and a porous plate (6) is welded at the middle position of the connecting beam (601) and the left main cross beam (2); the connecting beam (601) is connected with the stiffening beam (3) at the middle position through the diagonal bracing beam (5), and the diagonal bracing beam (5) is welded at the middle parts of the connecting beam (601) and the stiffening beam (3) at the middle position; the middle reinforcing beam (3) is connected with the right reinforcing beam (3) through the reinforcing beam (4), and the reinforcing beam (4) is welded at the middle part of the middle reinforcing beam (3) and the right reinforcing beam (3); the energy absorption boxes (7) are fixed at the left end and the right end of the main longitudinal beam (1) through bolts, the left sides of the two energy absorption boxes (7) at the left side are fixed with front anti-collision beams (8) through bolts, and the right sides of the two energy absorption boxes (7) at the right side are fixed with rear anti-collision beams (801) through bolts; the automobile body framework (9) is welded right above the main longitudinal beam (1), a grid plate (10) is arranged in the middle of the automobile body framework (9) and the front anti-collision beam (8), and the grid plate (10) is connected with the automobile body framework (9) and the front anti-collision beam (8) in a bolt fixing mode; the side view of the grid plate (10) is arc-shaped, and the upper part of the grid plate (10) is provided with a headlight embedding hole and grid-shaped ventilation holes; the inclined bracing beam (5) and the main longitudinal beam (1) form an included angle of twenty degrees.
2. The EVA type electric vehicle safety vehicle body structure according to claim 1, wherein: the grid plate (10) is made of spring steel, and the left side of the grid plate (10) protrudes out of the arc-shaped surface of the front anti-collision beam (8).
3. The EVA type electric vehicle safety vehicle body structure according to claim 1, wherein: the porous plate (6) is rectangular, and the upper part of the porous plate (6) is provided with round through holes with N rectangular arrays.
4. The EVA type electric vehicle safety vehicle body structure according to claim 1, wherein: the front anti-collision beam (8) and the rear anti-collision beam (801) are arc-shaped in overlooking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530725.XA CN108674486B (en) | 2018-05-29 | 2018-05-29 | EVA type electric vehicle safety vehicle body framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810530725.XA CN108674486B (en) | 2018-05-29 | 2018-05-29 | EVA type electric vehicle safety vehicle body framework |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108674486A CN108674486A (en) | 2018-10-19 |
| CN108674486B true CN108674486B (en) | 2023-11-17 |
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ID=63808626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810530725.XA Active CN108674486B (en) | 2018-05-29 | 2018-05-29 | EVA type electric vehicle safety vehicle body framework |
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| Country | Link |
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| CN (1) | CN108674486B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978401A (en) * | 2021-12-24 | 2022-01-28 | 常州大连理工大学智能装备研究院 | Anti-collision device for automobile body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530081A (en) * | 2011-12-02 | 2012-07-04 | 常州科教城新能源汽车工程技术研究院 | Frame of electric car |
| CN202413923U (en) * | 2011-12-26 | 2012-09-05 | 厦门理工学院 | Square-pipe welding type vehicle frame |
| CN102849113A (en) * | 2012-09-27 | 2013-01-02 | 湖北航天技术研究院特种车辆技术中心 | Vehicle body |
| CN105644624A (en) * | 2015-12-28 | 2016-06-08 | 胡建 | Automobile beam |
| CN105730386A (en) * | 2016-03-24 | 2016-07-06 | 贵州大学 | Automotive anti-collision beam with triple energy absorption effect |
| CN106458261A (en) * | 2014-04-01 | 2017-02-22 | 深圳市智轮电动车驱动技术有限公司 | Electric vehicle frame system |
-
2018
- 2018-05-29 CN CN201810530725.XA patent/CN108674486B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530081A (en) * | 2011-12-02 | 2012-07-04 | 常州科教城新能源汽车工程技术研究院 | Frame of electric car |
| CN202413923U (en) * | 2011-12-26 | 2012-09-05 | 厦门理工学院 | Square-pipe welding type vehicle frame |
| CN102849113A (en) * | 2012-09-27 | 2013-01-02 | 湖北航天技术研究院特种车辆技术中心 | Vehicle body |
| CN106458261A (en) * | 2014-04-01 | 2017-02-22 | 深圳市智轮电动车驱动技术有限公司 | Electric vehicle frame system |
| CN105644624A (en) * | 2015-12-28 | 2016-06-08 | 胡建 | Automobile beam |
| CN105730386A (en) * | 2016-03-24 | 2016-07-06 | 贵州大学 | Automotive anti-collision beam with triple energy absorption effect |
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| Publication number | Publication date |
|---|---|
| CN108674486A (en) | 2018-10-19 |
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Address after: 215000 Science and Technology Innovation Park of Linjiang Green Space Industrial Park, Zhangjiagang City, Suzhou City, Jiangsu Province Applicant after: SHANGCH AUTOMOBILE Co.,Ltd. Address before: 215000 Science and Technology Innovation Park of Zhangjiagang Linjiang Green Industrial Park, Suzhou City, Jiangsu Province Applicant before: JIANGSU EMOTORS ELECTRIC VEHICLES Co. |
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