CN111994027A - Body collision energy-absorbing structure of hydrogen energy source automobile - Google Patents
Body collision energy-absorbing structure of hydrogen energy source automobile Download PDFInfo
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- CN111994027A CN111994027A CN202010864160.6A CN202010864160A CN111994027A CN 111994027 A CN111994027 A CN 111994027A CN 202010864160 A CN202010864160 A CN 202010864160A CN 111994027 A CN111994027 A CN 111994027A
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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
- B60R19/18—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
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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
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/008—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of light alloys, e.g. extruded
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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
- B60R19/18—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention provides a vehicle body collision energy absorption structure of a hydrogen energy vehicle, which comprises a chassis and two front longitudinal beams, wherein each front longitudinal beam comprises an energy absorption box, a front longitudinal beam middle section and a front longitudinal beam rear section which are sequentially connected, the rear ends of the two front longitudinal beams are connected to the chassis, an anti-collision beam is connected in front of the two front longitudinal beams, two ends of the anti-collision beam are respectively fixed on the two energy absorption boxes, and a plurality of collapse induction guide grooves are respectively arranged on the two energy absorption boxes and the two front longitudinal beam middle sections. The energy absorption boxes of the two front longitudinal beams and the middle sections of the front longitudinal beams are provided with the collapse induction guide grooves, so that impact force generated during automobile collision can be partially absorbed in a compression mode; and the rear section of the front longitudinal beam can transmit the residual impact force to the underframe, so that the passenger compartment deforms as little as possible, and the safety of automobile passengers in the collision of the automobile is ensured.
Description
Technical Field
The invention relates to the field of hydrogen energy automobiles, in particular to a vehicle body collision energy absorption structure of a hydrogen energy automobile.
Background
When an automobile collides (particularly at the front part of the automobile), huge collision impact force is often generated, and for a hydrogen energy automobile, the collision impact force can crush the front part structure of the automobile, so that rigid structures such as a galvanic pile in a front engine room of the automobile invade a passenger cabin, therefore, the hydrogen energy automobile often generates great damage to passengers in the automobile when colliding, and meanwhile, the hydrogen energy automobile collides, and is easy to extrude a hydrogen cylinder at the bottom of the hydrogen energy automobile, so that hydrogen leakage and even explosion are caused. In order to reduce the damage of the hydrogen energy automobile collision to the passengers in the automobile and the harm of hydrogen leakage, an automobile body collision energy absorption structure which can absorb the impact force of the automobile collision, reduce the deformation of the passenger compartment generated during the automobile collision and prevent the hydrogen cylinder from being extruded is required to be developed.
Disclosure of Invention
In order to solve the problems, the invention provides a vehicle body collision energy absorption structure of a hydrogen energy vehicle, which comprises a chassis, two front longitudinal beams and an anti-collision beam, wherein the chassis comprises a front cabin cross beam and two threshold beams arranged in parallel, the two threshold beams are respectively a left threshold beam and a right threshold beam, the front cabin cross beam is arranged between the left threshold beam and the right threshold beam and is positioned at the end parts of the left threshold beam and the right threshold beam, the two front longitudinal beams are respectively a left front longitudinal beam and a right front longitudinal beam, each front longitudinal beam comprises an energy absorption box, a front longitudinal beam middle section and a front longitudinal beam rear section which are sequentially connected, the rear ends of the two front longitudinal beams are respectively a left front longitudinal beam rear end and a right front longitudinal beam rear end, the left front longitudinal beam rear end is simultaneously connected to the front cabin cross beam and the left threshold beam, the right front longitudinal beam rear end is simultaneously connected to the front cabin cross beam and the right threshold beam, the anti-collision beam is arranged in front of the two front longitudinal beams, the two ends of the anti-collision beam are respectively fixed on the two energy-absorbing boxes, the two energy-absorbing boxes and the two front longitudinal beam middle sections are respectively provided with a plurality of collapse induction guide grooves, the strength of the energy-absorbing boxes is lower than that of the front longitudinal beam middle sections, the strength of the front longitudinal beam middle sections is lower than that of the front longitudinal beam rear sections and that of the doorsill beams, the anti-collision beam is used for transmitting impact force to the two front longitudinal beams when an automobile collides, the two front longitudinal beams are used for collapsing under the action of the impact force when the automobile collides so as to absorb partial impact energy, and the two front longitudinal beam rear sections are used for dispersedly transmitting the impact force of the collision to the two doorsills and the front cabin cross beams so as.
Furthermore, the middle sections of the anti-collision beam, the energy absorption box and the front longitudinal beam are all hollow round-angle rectangular tube structures.
Furthermore, the crumple induction guide grooves are uniformly distributed along the axes of the energy absorption box and the middle section of the front longitudinal beam, and all the crumple induction guide grooves are located on the ridge lines of the middle sections of the energy absorption box and the front longitudinal beam.
Furthermore, reinforcing ribs are arranged in the middle sections of the anti-collision beam, the energy absorption box and the front longitudinal beam.
Furthermore, the energy absorption box and the middle section of the front longitudinal beam are respectively provided with a connecting plate which is perpendicular to the front longitudinal beam, the connecting plate on the energy absorption box is tightly attached to the connecting plate on the middle section of the front longitudinal beam, the connecting plate is provided with a plurality of through connecting plate locking bolts, and the tight connecting plates are locked by the tight bolts, so that the energy absorption box is detachably and fixedly connected to the middle section of the front longitudinal beam.
Furthermore, two front baffle longitudinal beams and a front baffle cross beam are arranged between the two front longitudinal beams, two ends of the front baffle cross beam are respectively and fixedly connected to the two front longitudinal beams, and two ends of the two front baffle longitudinal beams are respectively connected to the front baffle cross beam and the front cabin cross beam.
Furthermore, a middle channel beam is arranged between the left threshold beam and the right threshold beam, the middle channel beam is arranged in parallel with the left threshold beam and the right threshold beam, the front end of the middle channel beam is fixed on the front engine room cross beam, and the middle channel beam is used for reinforcing the longitudinal strength of the front engine room cross beam.
Furthermore, two front floor support beams are arranged below the middle channel beam.
Furthermore, two A columns which are vertically arranged are arranged above the underframe, the two A columns are respectively a left A column and a right A column, the lower ends of the left A column and the right A column are respectively and vertically connected to the left side and the right side of the underframe, a left top edge beam and a right top edge beam are respectively arranged above the two A columns, and the upper ends of the left A column and the right A column are respectively connected with the left top edge beam and the right top edge beam.
Further, a support frame is equipped with respectively in left and right A post the place ahead, and two support frames are left branch strut and right branch strut respectively, and each support frame includes many spinal branchs vaulting pole, left branch strut connects simultaneously respectively in left A post, left roof side rail and left front longitudinal through many spinal branchs vaulting pole, right branch strut connects simultaneously respectively in right A post, right roof side rail and right front longitudinal through many spinal branchs vaulting pole, two the support frame is used for when car the place ahead bumps, with the impact force dispersion to roof side rail and A post on.
The body collision energy-absorbing structure of the hydrogen energy automobile has the beneficial effects that: (1) the anti-collision beam, the energy absorption box and the middle section of the front longitudinal beam are made of aluminum alloy integrated extruded profiles, and the rear section of the front longitudinal beam is made of an integrated aluminum casting, so that the number of front cabin collision components is effectively reduced, the welding process is greatly simplified, the welding quality is stable and reliable, and the cost input of the die clamp checking fixture is greatly reduced; (2) the energy absorption boxes of the two front longitudinal beams and the middle sections of the front longitudinal beams are provided with crumple induction guide grooves, and the crumple induction guide grooves can partially absorb impact force generated during automobile collision in a compression mode; the rear section of the front longitudinal beam adopts an integral high-strength aluminum alloy die casting, so that the residual impact force can be dispersedly transmitted to the threshold beam and the front cabin beam, and the passenger cabin is ensured to deform as little as possible, thereby ensuring that the living space of passengers is not extruded; (3) the front baffle longitudinal beam is arranged between the front baffle cross beam and the front cabin cross beam, so that when collision occurs, collision impact force is transmitted to the middle channel, and the situation that the cabin invasion amount is too large due to backward extrusion of a galvanic pile can be prevented; (4) two front floor support beams are arranged below the middle channel beam to protect the hydrogen cylinders from being extruded to cause explosion danger in the collision process; (5) through set up two preceding supporting beams in A post the place ahead, guarantee that impact force can be better to A post and roof side rail dispersion when colliding.
Drawings
Fig. 1 is a three-dimensional schematic view of a body collision energy-absorbing structure of a hydrogen energy automobile according to the present invention.
Fig. 2 is a side view of a body collision energy absorbing structure of a hydrogen energy automobile according to the present invention.
Fig. 3 is a bottom view of a body collision energy absorbing structure of a hydrogen energy automobile according to the present invention.
Fig. 4 is a cross-sectional view of the front side rail middle section 22 in fig. 1.
Fig. 5 is a three-dimensional schematic view of the impact beam 27 of fig. 1.
Fig. 6 is a cross-sectional view of the impact beam 27 of fig. 1.
In the figure: 1-underframe, 11-front cabin beam, 12-threshold beam, 2-front longitudinal beam, 21-energy absorption box, 22-front longitudinal beam middle section, 23-front longitudinal beam rear end, 24-connecting plate, 25-A column, 26-top edge beam, 27-anti-collision beam, 28-reinforcing rib, 29-collapse induction groove, 3-front baffle beam, 31-front baffle longitudinal beam, 32-middle channel beam, 33-front floor support beam and 4-support frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 6, the body collision energy absorption structure of a hydrogen energy vehicle of the present invention includes an underframe 1, the underframe 1 includes a front cabin cross beam 11 and two threshold beams 12 arranged in parallel, the two threshold beams 12 are respectively a left threshold beam and a right threshold beam, the front cabin cross beam 11 is arranged between the left threshold beam and the right threshold beam and is located at the end portions of the left threshold beam and the right threshold beam, two ends of the front cabin cross beam 11 are respectively vertically connected with the end portions of the left threshold beam and the right threshold beam, two a pillars 25 arranged vertically are arranged above the underframe 1, the two a pillars are respectively a left a pillar and a right a pillar, the lower ends of the left a pillar and the right a pillar are respectively vertically connected with the connecting portions of the front cabin cross beam 11 and the left threshold beam and the right threshold beam, two roof beams 26 are arranged above the two a pillars 25, the two roof beams 26 are respectively a left roof beam and a right roof beam, and the upper ends of the left a pillar and the right a pillar are respectively connected with the left roof beam.
The front cabin beam 11 is provided with two front longitudinal beams 2 in front, which are a left front longitudinal beam and a right front longitudinal beam respectively, each front longitudinal beam 2 comprises a front longitudinal beam front end, a front longitudinal beam middle section 22 and a front longitudinal beam rear section 23 which are sequentially connected, the front ends of the two front longitudinal beams are energy absorption boxes 21, the energy absorption boxes 21 are detachably connected with the front longitudinal beam middle section 22, specifically, the energy absorption boxes 23 and the front longitudinal beam middle section 22 are respectively provided with a connecting plate 24 which is perpendicular to the front longitudinal beams, the connecting plate 24 on the energy absorption boxes 23 is tightly attached to the connecting plate 24 on the front longitudinal beam middle section 22, the connecting plate 24 is provided with a plurality of locking bolts penetrating through the connecting plate 24, the locking bolts tightly lock the connecting plate 24, so that the energy absorption boxes 23 are detachably and fixedly connected to the front longitudinal beam middle section 22, the rear ends 23 of the two front longitudinal beams are connected to the chassis 1, and the rear ends 23 of the two front longitudinal beams are respectively a left front longitudinal beam rear end, the rear end of the left front longitudinal beam is connected to the front cabin beam 11 and the left threshold beam, the rear end of the right front longitudinal beam is connected to the front cabin beam 11 and the right threshold beam, the front parts of the two front longitudinal beams are connected with an anti-collision beam 27, the two ends of the anti-collision beam 27 are respectively fixed on the two energy-absorbing boxes 21, preferably, the anti-collision beam 27, the energy-absorbing boxes 21 and the front longitudinal beam middle section 22 are of hollow round rectangular tube structures, the anti-collision beam 27, the energy-absorbing boxes 21 and the front longitudinal beam middle section 22 are internally provided with reinforcing ribs 28, the energy-absorbing boxes 21 and the front longitudinal beam middle section 22 are respectively provided with a plurality of collapse induction guide grooves 29, the collapse guide grooves 29 are uniformly distributed along the axes of the energy-absorbing boxes 21 and the front longitudinal beam middle section 22, and all the collapse induction guide grooves 22 are positioned on the ridge lines of the energy-absorbing boxes 21 and the front longitudinal beam middle section 22, the materials of the anti-collision beam 27, the energy-absorbing boxes 21 and the front longitudinal beam front section middle section 22 are aluminum alloy integrated extruded sections, the front longitudinal beam rear section 23 is an integrated high-strength aluminum alloy die-casting piece, the strength of the energy-absorbing boxes 21 is lower than that of the front longitudinal beam middle section 22, the strength of the front longitudinal beam middle section 22 is lower than that of the front longitudinal beam rear section 23, when the front part of an automobile is collided, the anti-collision beam 27 transmits impact force to the two front longitudinal beams 2, when the impact force is large enough, the two energy-absorbing boxes 21 and the two front longitudinal beam middle sections 22 are sequentially subjected to collapse deformation under the induction of the collapse induction guide groove 29, partial impact force is absorbed, meanwhile, the two front longitudinal beam rear sections 23 disperse and transmit the impact force to the two doorsills 12 and the front cabin cross beam 11, the deformation of; when the impact force is limited in a certain range, the two energy absorption boxes 21 collapse, the middle sections 22 of the two front longitudinal beams are kept complete, and the two front longitudinal beams only need to be replaced by the energy absorption boxes 21 during maintenance.
Two front baffle longitudinal beams 31 and a front baffle cross beam 3 are arranged between the two front longitudinal beams 2, two ends of the front baffle cross beam 3 are respectively and fixedly connected to the two front longitudinal beams 2, two ends of the two front baffle longitudinal beams 31 are respectively connected to the front baffle cross beam 3 and the front cabin cross beam 11, a middle channel beam 32 is arranged between the left threshold beam and the right threshold beam, the middle channel beam 32 is arranged in parallel with the left threshold beam and the right threshold beam, the front end of the middle channel beam 32 is fixed on the front cabin cross beam 11, a galvanic pile (not shown in the figure) of the automobile is positioned between the anti-collision beam 27 and the front baffle cross beam 3, when the front of the automobile is collided, the galvanic pile moves backwards to extrude the front baffle cross beam 3, the front baffle longitudinal beams 31 can transmit impact force received by the front baffle cross beam 31 to the front baffle cross beam 3, and the middle channel beam 32 can enhance the longitudinal strength of the front cabin cross beam 11, prevent the backward extrusion of the electric pile from causing the excessive invasion of the passenger compartment.
Control A post the place ahead and be equipped with a support frame 4 respectively, be left branch strut and right branch strut respectively, each support frame includes many spinal branchs vaulting pole, the support frame is connected with left A post, left roof side rail and left front longeron simultaneously respectively through many spinal branchs vaulting pole, right branch strut is connected with right A post, right roof side rail and right front longeron simultaneously respectively through many spinal branchs vaulting pole, two support frame 4 is used for when car the place ahead bumps, with the impact force dispersion of colliding to roof side rail 26 and A post 25 on.
Furthermore, two front floor support beams 33 are arranged below the middle channel beam 32, a longitudinal accommodating groove is arranged below the middle channel beam 32, the accommodating groove is used for accommodating hydrogen cylinders, and the two front floor support beams 33 are used for surrounding the hydrogen cylinders (not shown in the figure) in the accommodating groove with the middle channel beam 32, protecting the side and the lower part of the hydrogen cylinders when the automobile collides, and preventing the hydrogen cylinders from being extruded and exploded at the lower part and the side when the automobile collides.
The body collision energy-absorbing structure of the hydrogen energy automobile has the beneficial effects that: (1) the anti-collision beam 27, the energy absorption box 21 and the front longitudinal beam middle section 22 are made of aluminum alloy integrated extruded sections, the front longitudinal beam rear section 23 is made of integrated aluminum castings, the number of front cabin collision components is effectively reduced, the welding process is greatly simplified, the welding quality is stable and reliable, and the cost input of the die clamp checking fixture is greatly reduced. (2) The crash boxes 21 and the front longitudinal beam middle sections 22 of the two front longitudinal beams 2 are provided with the collapse induction grooves 29, and the collapse induction grooves 29 can partially absorb the impact force generated during the automobile collision in a compression mode; the rear section 23 of the front longitudinal beam is made of integral high-strength aluminum alloy die castings, so that residual impact force can be dispersed and transmitted to the threshold beam 12 and the front cabin beam 11, and the deformation of the passenger cabin is ensured to be as small as possible, so that the living space of passengers is not extruded. (3) Through set up preceding baffle longeron 3 between preceding baffle crossbeam 3 and preceding cabin crossbeam 11, make when colliding, the impact force of colliding transmits to well passageway, can prevent that the pile extrudees backward and leads to the cabin invasion volume too big. (4) By providing two front floor support beams below the center tunnel beam 32, the hydrogen cylinders are protected from crushing and the risk of explosion during a collision. (5) By providing two front support beams in front of the a-pillar 25, better energy dispersion to the a-pillar and roof side rails during collision is ensured.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a car body collision energy-absorbing structure of hydrogen energy source car which characterized in that: the anti-collision device comprises a chassis, two front longitudinal beams and an anti-collision beam, wherein the chassis comprises a front cabin cross beam and two threshold beams arranged in parallel, the two threshold beams are respectively a left threshold beam and a right threshold beam, the front cabin cross beam is arranged between the left threshold beam and the right threshold beam and positioned at the end parts of the left threshold beam and the right threshold beam, the two front longitudinal beams are respectively a left front longitudinal beam and a right front longitudinal beam, each front longitudinal beam comprises an energy absorption box, a front longitudinal beam middle section and a front longitudinal beam rear section which are sequentially connected, the two front longitudinal beam rear ends are respectively a left front longitudinal beam rear end and a right front longitudinal beam rear end, the left front longitudinal beam rear end is simultaneously connected onto the front cabin cross beam and the left threshold beam, the right front longitudinal beam rear end is simultaneously connected onto the front cabin cross beam and the right threshold beam, the anti-collision beam is arranged in front of the two front longitudinal beams, the two ends of the anti-collision beam are respectively fixed on the two energy absorption boxes, and the two energy absorption boxes and the two front longitudinal beams are, the energy absorption box is lower in strength than the middle section of the front longitudinal beam, the middle section of the front longitudinal beam is lower in strength than the rear section of the front longitudinal beam and the threshold beam, the anti-collision beam is used for transmitting impact force to the two front longitudinal beams when an automobile collides, the two front longitudinal beams are used for collapsing under the action of the impact force when the automobile collides so as to absorb part of impact energy, and the rear sections of the two front longitudinal beams are used for dispersedly transmitting the collision impact force to the two thresholds and the front cabin cross beam so as to reduce deformation of the passenger cabin.
2. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 1, characterized in that: the middle sections of the anti-collision beam, the energy absorption box and the front longitudinal beam are all hollow rounded rectangular tube structures.
3. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 2, characterized in that: the crumple induction guide grooves are uniformly distributed along the axes of the energy absorption box and the middle section of the front longitudinal beam, and all the crumple induction guide grooves are located on the ridge lines of the middle section of the energy absorption box and the front longitudinal beam.
4. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 1, characterized in that: reinforcing ribs are arranged in the middle sections of the anti-collision beam, the energy absorption box and the front longitudinal beam.
5. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 1, characterized in that: the energy absorption box and the front longitudinal beam middle section are respectively provided with a connecting plate perpendicular to the front longitudinal beam, the connecting plate on the energy absorption box is tightly attached to the connecting plate on the front longitudinal beam middle section, the connecting plate is provided with a plurality of through connecting plate locking bolts, and the tight connecting plates are locked by the tight bolts, so that the energy absorption box is detachably and fixedly connected to the front longitudinal beam middle section.
6. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 1, characterized in that: two front baffle longitudinal beams and a front baffle cross beam are arranged between the two front longitudinal beams, two ends of the front baffle cross beam are respectively and fixedly connected to the two front longitudinal beams, and two ends of the two front baffle longitudinal beams are respectively connected to the front baffle cross beam and the front cabin cross beam.
7. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 6, characterized in that: and a middle channel beam is arranged between the left threshold beam and the right threshold beam, the middle channel beam is arranged in parallel with the left threshold beam and the right threshold beam, the front end of the middle channel beam is fixed on the front engine room beam, and the middle channel beam is used for reinforcing the longitudinal strength of the front engine room beam.
8. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 7, characterized in that: two front floor support beams are arranged below the middle channel beam.
9. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 1, characterized in that: the chassis top is equipped with two vertical A posts that set up, and two A posts are left, right A post respectively, the lower extreme of left and right A post respectively perpendicular connect in the chassis left and right sides, two A post tops are equipped with respectively that left and right roof side rail left and right A post upper end links to each other with left and right roof side rail respectively.
10. The vehicle body collision energy absorbing structure of a hydrogen energy automobile according to claim 9, characterized in that: a support frame is equipped with respectively in left and right A post the place ahead, and two support frames are left branch strut and right branch strut respectively, and each support frame includes many spinal branchs vaulting pole, left branch strut connects simultaneously respectively in left A post, left roof side rail and left front longitudinal beam through many spinal branchs vaulting pole, right branch strut connects simultaneously respectively in right A post, right roof side rail and right front longitudinal beam respectively through many spinal branchs vaulting pole, two the support frame is used for when car the place ahead bumps, with the impact force dispersion to roof side rail and A post on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010864160.6A CN111994027A (en) | 2020-08-25 | 2020-08-25 | Body collision energy-absorbing structure of hydrogen energy source automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010864160.6A CN111994027A (en) | 2020-08-25 | 2020-08-25 | Body collision energy-absorbing structure of hydrogen energy source automobile |
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| CN111994027A true CN111994027A (en) | 2020-11-27 |
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| CN202010864160.6A Pending CN111994027A (en) | 2020-08-25 | 2020-08-25 | Body collision energy-absorbing structure of hydrogen energy source automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758189A (en) * | 2021-01-11 | 2021-05-07 | 浙江零跑科技有限公司 | Electric motor car platformized front deck structure |
| CN113173209A (en) * | 2021-06-10 | 2021-07-27 | 安徽江淮汽车集团股份有限公司 | Automobile engine cabin |
| CN115158480A (en) * | 2022-06-29 | 2022-10-11 | 重庆长安汽车股份有限公司 | Automobile body steel-aluminum alloy front structure and automobile |
-
2020
- 2020-08-25 CN CN202010864160.6A patent/CN111994027A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758189A (en) * | 2021-01-11 | 2021-05-07 | 浙江零跑科技有限公司 | Electric motor car platformized front deck structure |
| CN113173209A (en) * | 2021-06-10 | 2021-07-27 | 安徽江淮汽车集团股份有限公司 | Automobile engine cabin |
| CN113173209B (en) * | 2021-06-10 | 2022-07-12 | 安徽江淮汽车集团股份有限公司 | Automobile engine cabin |
| CN115158480A (en) * | 2022-06-29 | 2022-10-11 | 重庆长安汽车股份有限公司 | Automobile body steel-aluminum alloy front structure and automobile |
| CN115158480B (en) * | 2022-06-29 | 2024-02-06 | 重庆长安汽车股份有限公司 | Automobile body steel aluminum alloy front structure and vehicle |
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