CN112622793A - Cascaded cavity aluminum alloy automobile anticollision roof beam major structure - Google Patents
Cascaded cavity aluminum alloy automobile anticollision roof beam major structure Download PDFInfo
- Publication number
- CN112622793A CN112622793A CN202011429504.7A CN202011429504A CN112622793A CN 112622793 A CN112622793 A CN 112622793A CN 202011429504 A CN202011429504 A CN 202011429504A CN 112622793 A CN112622793 A CN 112622793A
- Authority
- CN
- China
- Prior art keywords
- cavity
- outer arc
- main body
- arc surface
- body structure
- 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.)
- Withdrawn
Links
Images
Classifications
-
- 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
-
- 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
- B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- 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
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1813—Structural beams therefor, e.g. shock-absorbing made of metal
- B60R2019/182—Structural beams therefor, e.g. shock-absorbing made of metal of light metal, e.g. extruded
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a main body structure of a stepped cavity aluminum alloy automobile anti-collision beam, which belongs to the field of cavity aluminum alloy anti-collision beams and comprises a main body structure, an upper cavity, a middle cavity, a lower right cavity, a lower left cavity, an upper reinforcing ridge, a lower right reinforcing ridge and a lower left reinforcing ridge, the main body structure is integrally arc-shaped, a reinforcing ridge is arranged on the inner side of the upper top surface, the main body structure is composed of an upper cavity, a middle cavity, a lower cavity, a right cavity and a left cavity, the four cavities are arranged in a step-shaped longitudinal mode, the protruding distance of the outer surface is gradually reduced, the width of the upper cavity is the largest, the outer surface of the upper cavity protrudes out of the outermost edge and bears the impact force first, the middle cavity is tightly connected with the lower part of the upper cavity, the outer surface of the middle cavity is lower than the outer surface of the upper cavity, and when the outer surface of the upper cavity is stressed and sunken to a certain distance, the outer surface of the upper cavity starts to bear impact force, and the lower right cavity and the lower left cavity respectively bear the impact force in the offset direction.
Description
Technical Field
The invention relates to the field of cavity aluminum alloy anti-collision beams, in particular to a main body structure of a stepped cavity aluminum alloy automobile anti-collision beam.
Background
The main body and the energy absorption box can effectively absorb the collision energy when the vehicle collides at low speed, the damage of the impact force to a vehicle body longitudinal beam is reduced as much as possible, and the protective effect of the anti-collision beam main body on the vehicle is exerted through the form.
The automobile anti-collision beam is divided into a front anti-collision beam and a rear anti-collision beam and a door anti-collision beam, the two types of the front anti-collision beam and the rear anti-collision beam and the door anti-collision beam are designed by adopting a steel structure at the initial development stage, the weight is high, the structure is complex, the forming is difficult, along with the continuous advance of the modern industrial technology, the innovation and the enthusiasm of the automobile industry are also raised, the traditional automobile is continuously accelerated to be converted to a new energy automobile, the energy saving and emission reduction trend becomes necessary, the lightweight design also becomes the mainstream, along with the application of the new material and new technology, the aluminum alloy material replaces steel, the integrated type forming replaces multi-structure welding, the refinement is.
The front anti-collision beam is a device for bearing impact force for the first time, the main structure of the anti-collision beam is continuously optimized along with the continuous improvement of the design level of an automobile body engineer, the structural form and the forming process are simpler, the mechanical performance is continuously enhanced, the mass application of aluminum alloy also becomes a necessary trend, the weight and the production cost of the whole automobile are effectively reduced, and the energy conservation and emission reduction are facilitated.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a main body structure of an aluminum alloy automobile anti-collision beam with a stepped cavity, wherein the front stress surface is in a stepped design, the impact force can be subdivided to each cambered surface in a first-level and first-level manner, and the main body structure can better absorb the impact force transmitted from the front, so that a driver is protected, meanwhile, the design scheme is optimized, and the problems of complexity, multiple parts, difficulty in forming and the like of the main body structure of the original anti-collision beam are solved by adopting a new material and a new process.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A main body structure of an aluminum alloy automobile anti-collision beam with a stepped cavity comprises a main body structure, wherein the main body structure is integrally designed into an arc-shaped curved surface, the curvature of the arc-shaped curved surface is continuous, an upper cavity is arranged at the upper part of the main body, the lower part of the upper cavity is rigidly connected with a middle cavity, the right end of the bottom surface of the middle cavity is rigidly connected with a lower right cavity, the left end of the bottom surface of the middle cavity is rigidly connected with a lower left cavity, a reinforcing ridge is arranged at the top end of the inner side of the main body structure, the right end of the bottom of the main body structure is provided with the reinforcing ridge, the upper cavity is provided with an upper cavity outer cambered surface, the upper cavity outer cambered surface is provided with an installation auxiliary positioning hole, the installation auxiliary positioning hole is a transverse slotted hole, the Y-direction installation error under a whole automobile coordinate system can be adjusted, the middle cavity, the lower left cavity is provided with a lower left cavity outer arc surface, the lower left cavity outer arc surface is provided with an installation main positioning hole, and the lower right cavity is provided with a lower right cavity outer arc surface;
the upper cavity outer arc surface is higher than the middle cavity outer arc surface, the middle cavity outer arc surface is higher than the lower left cavity outer arc surface and the lower right cavity outer arc surface, and the lower left cavity outer arc surface and the lower right cavity outer arc surface are disconnected but have continuous curvature.
Furthermore, 6063T6 aluminum alloy material is adopted in the major structure, and the material thickness is 2.8 mm.
Furthermore, the inner wall of the upper cavity is flush with the inner wall of the middle cavity, the inner wall of the middle cavity is flush with the inner wall of the lower left cavity, and the inner wall of the middle cavity is flush with the inner wall of the lower right cavity.
Furthermore, the lower left cavity and the lower right cavity are disconnected in the middle.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme wholly adopts the arc design, and each department camber of cambered surface does not have the flex point in succession, effectively has got rid of the stress concentration point when the collision takes place, makes whole atress more even.
(2) This scheme the place ahead is equipped with three atress curved surface, and top-down adopts cascaded design, and the first curved surface that is in the upper end when the front impact force arrives takes the contact earlier and bears the striking, and the middle curved surface that is in the second echelon after first curved surface is struck and is out of shape to a certain extent begins the atress, is the third curved surface immediately, and this kind of design is more meticulous division with the impact, and the atress energy-absorbing efficiency through the ladder curved surface with anticollision roof beam major structure improves to the biggest.
(3) This scheme adopts cavity structure formula design of arranging, and simple structure shaping is convenient and structural strength is high, and every cavity has two horizontal facades from top to bottom, has effectively replaced the enhancement support.
(4) The design on the structural formula is further optimized, the lower cavity middle section structure is removed through analog simulation calculation, and the overall weight is further reduced under the condition that the left lower cavity and the right lower cavity effectively bear the front impact force and the offset direction impact force.
(5) This scheme cancellation stamping workpiece tailor-welded structure adopts aluminum alloy ex-trusions, wholly adopts integral type extrusion to improve production efficiency and reduce the installation degree of difficulty and effectively reduced manufacturing cost.
Drawings
FIG. 1 is a front isometric view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a rear isometric view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a top view of the present invention;
the reference numbers in the figures illustrate:
the structure comprises a main body structure 1, an upper reinforcing ridge 2, a lower right cavity 3, a lower left cavity 4, an upper cavity 5, a middle cavity 6, a lower right reinforcing ridge 7, an upper left reinforcing ridge 8, a lower left reinforcing ridge, a tow hook through hole 21, an auxiliary mounting positioning hole 22, a main mounting positioning hole 23, an upper cavity outer arc surface 31, a middle cavity outer arc surface 32, a lower left cavity outer arc surface 33 and a lower right cavity outer arc surface 34.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
please refer to fig. 1, a main structure of a stepped cavity aluminum alloy automobile anti-collision beam comprises a main structure, and is characterized in that: the overall arc curved surface design that is of major structure, arc curved surface camber is continuous, main part upper portion is equipped with the cavity, go up cavity lower part rigid connection well cavity, right cavity under the rigid connection of well cavity bottom surface right-hand member, left cavity under the rigid connection of well cavity bottom surface left end, the inboard top of major structure has played and has strengthened the spine, major structure bottom right-hand member has played and has strengthened the spine, major structure bottom left end has played and has strengthened the spine, major structure adopts 6063T6 aluminum alloy material, and material thickness is 2.8mm, go up the cavity inner wall with the inner wall of well cavity is flat mutually, well cavity inner wall with left cavity inner wall is flat mutually down, well cavity with right cavity inner wall is flat mutually down. The lower left cavity (4) is disconnected with the lower right cavity (3) in the middle.
Referring to fig. 1, 2 and 4, the upper cavity has an upper cavity outer arc surface, the upper cavity outer arc surface is provided with an auxiliary installation positioning hole, the auxiliary installation positioning hole is a transverse long and narrow hole and can adjust Y-direction installation errors under a finished automobile coordinate system, the middle cavity has a middle cavity outer arc surface, the right side of the middle cavity is provided with a towing hook through hole, the towing hook through hole is a through hole, the lower left cavity has a lower left cavity outer arc surface, the lower left cavity outer arc surface is provided with an installation main positioning hole, and the lower right cavity has a lower right cavity outer arc surface;
referring to fig. 2, the outer arc surface of the upper cavity is higher than the outer arc surface of the middle cavity, the outer arc surface of the middle cavity is higher than the outer arc surfaces of the lower left cavity and the lower right cavity, and the outer arc surfaces of the lower left cavity and the lower right cavity are disconnected but have continuous curvature.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a cascaded cavity aluminum alloy automobile anticollision roof beam major structure, includes major structure (1), its characterized in that: the main body structure (1) is integrally designed into an arc-shaped curved surface, the curvature of the arc-shaped curved surface is continuous, the upper part of the main body is provided with an upper cavity (5), the lower part of the upper cavity (5) is rigidly connected with a middle cavity (6), the right end of the bottom surface of the middle cavity (6) is rigidly connected with a lower right cavity (3), the left end of the bottom surface of the middle cavity (6) is rigidly connected with a lower left cavity (4), the top end of the inner side of the main body structure (1) is provided with a reinforcing ridge (2), the right end of the bottom of the main body structure (1) is provided with a reinforcing ridge (7), the left end of the bottom of the main body structure (1) is provided with a reinforcing ridge (8), the upper cavity (5) is provided with an upper cavity outer arc surface (31), the upper cavity outer arc surface (31) is provided with an installation auxiliary positioning hole (22), the installation auxiliary positioning hole (22) is a transverse long and long hole, a tow hook through hole (21) is formed in the right side of the middle cavity (6), the tow hook through hole (21) is a through hole, a lower left cavity outer arc surface (33) is formed in the lower left cavity (4), a main mounting positioning hole (23) is formed in the lower left cavity outer arc surface (33), and a lower right cavity outer arc surface (34) is formed in the lower right cavity (3);
the upper cavity outer arc surface (31) is higher than the middle cavity outer arc surface (32), the middle cavity outer arc surface (32) is higher than the lower left cavity outer arc surface (33) and the lower right cavity outer arc surface (34), and the lower left cavity outer arc surface (33) and the lower right cavity outer arc surface (34) are disconnected but have continuous curvature.
2. The stepped cavity aluminum alloy automobile anti-collision beam main body structure according to claim 1, characterized in that: main structure (1) adopts 6063T6 aluminum alloy material, and material thickness is 2.8 mm.
3. The stepped cavity aluminum alloy automobile anti-collision beam main body structure according to claim 1, characterized in that: the inner wall of the upper cavity (5) is level with the inner wall of the middle cavity (6), the inner wall of the middle cavity (6) is level with the inner wall of the lower left cavity (4), and the inner wall of the middle cavity (6) is level with the inner wall of the lower right cavity (3).
4. The stepped cavity aluminum alloy automobile anti-collision beam main body structure according to claim 1, characterized in that: the lower left cavity (4) is disconnected with the lower right cavity (3) in the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429504.7A CN112622793A (en) | 2020-12-09 | 2020-12-09 | Cascaded cavity aluminum alloy automobile anticollision roof beam major structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011429504.7A CN112622793A (en) | 2020-12-09 | 2020-12-09 | Cascaded cavity aluminum alloy automobile anticollision roof beam major structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112622793A true CN112622793A (en) | 2021-04-09 |
Family
ID=75308986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011429504.7A Withdrawn CN112622793A (en) | 2020-12-09 | 2020-12-09 | Cascaded cavity aluminum alloy automobile anticollision roof beam major structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112622793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114426020A (en) * | 2022-03-02 | 2022-05-03 | 江苏理工学院 | Automobile anti-collision early warning and automatic control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009017015U1 (en) * | 2009-12-16 | 2011-04-28 | Rehau Ag + Co. | Absorber element for a motor vehicle |
| CN204055667U (en) * | 2014-08-30 | 2014-12-31 | 重庆长安汽车股份有限公司 | A kind of Aluminium-alloy front impact crossbeam assembly |
| CN207345723U (en) * | 2017-09-13 | 2018-05-11 | 吉利汽车研究院（宁波）有限公司 | Collision prevention girders and automobile |
| CN207433450U (en) * | 2017-11-20 | 2018-06-01 | 奇昊汽车系统（苏州）有限公司 | Electronic automobile-used front anti-collision beam |
| CN208393294U (en) * | 2018-05-10 | 2019-01-18 | 北京长城华冠汽车科技股份有限公司 | A kind of the rear anti-crash component and automobile of automobile |
-
2020
- 2020-12-09 CN CN202011429504.7A patent/CN112622793A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009017015U1 (en) * | 2009-12-16 | 2011-04-28 | Rehau Ag + Co. | Absorber element for a motor vehicle |
| CN204055667U (en) * | 2014-08-30 | 2014-12-31 | 重庆长安汽车股份有限公司 | A kind of Aluminium-alloy front impact crossbeam assembly |
| CN207345723U (en) * | 2017-09-13 | 2018-05-11 | 吉利汽车研究院（宁波）有限公司 | Collision prevention girders and automobile |
| CN207433450U (en) * | 2017-11-20 | 2018-06-01 | 奇昊汽车系统（苏州）有限公司 | Electronic automobile-used front anti-collision beam |
| CN208393294U (en) * | 2018-05-10 | 2019-01-18 | 北京长城华冠汽车科技股份有限公司 | A kind of the rear anti-crash component and automobile of automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114426020A (en) * | 2022-03-02 | 2022-05-03 | 江苏理工学院 | Automobile anti-collision early warning and automatic control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106697058A (en) | Automobile body front longitudinal beam structure and automoible | |
| CN112622793A (en) | Cascaded cavity aluminum alloy automobile anticollision roof beam major structure | |
| CN215622298U (en) | Integral automobile front floor structure | |
| CN112622796A (en) | New-type cavity car anticollision roof beam energy-absorbing box | |
| CN209467202U (en) | A kind of front longitudinal beam and the vehicle with the front longitudinal beam | |
| CN208813326U (en) | Automobile doorsill reinforcing plate assembly | |
| CN208978793U (en) | A kind of front anticollision beam of automobile | |
| CN215883565U (en) | High-strength steel anti-collision cross beam | |
| CN217672513U (en) | Vehicle collision guiding mechanism and vehicle | |
| CN210554642U (en) | Car anticollision roof beam energy-absorbing box cooperation turn-ups structure | |
| CN112660052B (en) | Front anti-collision beam assembly with collision compatibility and vehicle | |
| CN212149037U (en) | Automobile rear wheel arch and automobile | |
| CN210258555U (en) | Sectional type longeron device and car | |
| CN111152841B (en) | Range-extending type hybrid power vehicle frame | |
| CN113665516A (en) | High-strength steel anti-collision beam and forming method thereof | |
| CN209581396U (en) | A kind of back buffer beam for automobile assembly | |
| CN220410707U (en) | Front end collision energy transfer structure of vehicle | |
| CN217415904U (en) | Integrated cast-aluminum engine compartment cover for electric automobile | |
| CN219029554U (en) | Vehicle and rear side member thereof | |
| CN217705731U (en) | Hinge type energy absorption structure and automobile | |
| CN110588792A (en) | Frame-type aluminum alloy section bar front end module structure suitable for electric motor car | |
| CN214823115U (en) | Front longitudinal beam structure for new energy automobile | |
| CN115320731B (en) | A post cast aluminum joint, connection structure and electric automobile body | |
| CN221213471U (en) | Lifting lug beam assembly, side beam, battery pack box and vehicle | |
| CN219192130U (en) | Anti-collision beam for automobile |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210409 |