CN115626221B - Novel longitudinal beam structure based on buffering energy absorption - Google Patents
Novel longitudinal beam structure based on buffering energy absorption Download PDFInfo
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- CN115626221B CN115626221B CN202211440920.6A CN202211440920A CN115626221B CN 115626221 B CN115626221 B CN 115626221B CN 202211440920 A CN202211440920 A CN 202211440920A CN 115626221 B CN115626221 B CN 115626221B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses a novel longitudinal beam structure based on buffering energy absorption, which comprises an impact-resistant modularized energy absorption mechanism, a hinged telescopic energy absorption mechanism, a combined main beam component and a transverse reinforcing component. The invention belongs to the technical field of small automobile longitudinal beams, and particularly relates to a novel longitudinal beam structure based on buffering and energy absorption; in order to overcome the technical contradiction that the longitudinal beam of the vehicle needs rigidity and toughness, the invention creatively provides the impact-resistant modularized energy absorbing mechanism, the flow resistance of viscous fluid can be increased along with the increase of the flow speed, and the technical purposes of keeping the toughness of the longitudinal beam during normal running and improving the strength of the longitudinal beam during high-speed collision can be realized.
Description
Technical Field
The invention belongs to the technical field of small automobile longitudinal beams, and particularly relates to a novel longitudinal beam structure based on buffering and energy absorption.
Background
With the improvement of the living standard of people, the electric vehicle can not meet part of travel scenes of people, and particularly for the old, the small four-wheel fully-closed vehicle with stable structure and high safety becomes a better choice; due to cost and space limitations, the current small four-wheel automobiles are generally insufficient in safety, which is reflected on the rigidity of the automobile body and on the impact absorbing capability.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides a novel longitudinal beam structure based on buffering and energy absorption; the rigidity and the toughness of the longitudinal beam are always contradictory attributes, the rigidity can provide better support, so that the vehicle can run more stably, the shape of the vehicle body can be kept when the vehicle is impacted, and a living space is reserved for passengers; the toughness can improve the comfort level of the vehicle, and can absorb impact by means of small-amplitude deformation of the vehicle body during collision, so that the risk of breakage of the vehicle body is avoided.
The invention creatively provides an impact-resistant modularized energy absorbing mechanism, wherein the flow resistance of viscous fluid can be increased along with the increase of the flow speed, and the technical purposes of keeping the toughness of a longitudinal beam during normal running and improving the strength of the longitudinal beam during high-speed collision can be realized.
The technical scheme adopted by the invention is as follows: the invention provides a novel longitudinal beam structure based on buffering energy absorption, which comprises an impact-resistant modularized energy absorption mechanism, a hinged telescopic energy absorption mechanism, a combined main beam component and a transverse reinforcement component, wherein the impact-resistant modularized energy absorption mechanism is arranged between the hinged telescopic energy absorption mechanisms, when the impact-resistant modularized energy absorption mechanism is subjected to instant strong impact, on one hand, the structural rigidity of the combined main beam component can be kept through the instant increased retraction resistance, on the other hand, a large amount of kinetic energy can be absorbed through the characteristic that retraction is still allowed by the impact-resistant modularized energy absorption mechanism, so that the deformation quantity of the combined main beam component is reduced, passengers are protected, the hinged telescopic energy absorption mechanism is arranged in the combined main beam component, the hinged telescopic energy absorption mechanism and the impact-resistant modularized energy absorption mechanism are matched for use, the technical purposes of absorbing instant strong impact force, reducing the deformation quantity of a frame and expanding the survival space of the passengers can be realized, and the transverse reinforcement component is arranged between the combined main beam components.
Further, the anti-impact modularized energy absorption mechanism comprises a telescopic guide assembly and an anti-impact telescopic assembly, wherein the telescopic guide assembly and the anti-impact telescopic assembly are respectively arranged on the hinged telescopic energy absorption mechanism, and the anti-impact telescopic assembly is clamped and slidingly arranged in the telescopic guide assembly.
Preferably, the telescopic guiding assembly comprises a modularized energy absorption box, viscous fluid and a bottom guiding sleeve, the modularized energy absorption box is arranged on the hinged telescopic energy absorption mechanism, one end of the modularized energy absorption box is provided with a top guiding step, the top guiding step is provided with a top guiding hole, the other end of the modularized energy absorption box is provided with an energy absorption box bottom connecting table, the bottom guiding sleeve is arranged in the modularized energy absorption box, and the bottom guiding sleeve is positioned at the bottom of the modularized energy absorption box.
As a further preferred aspect of the present invention, the modular crash boxes are filled with a viscous fluid, the viscous fluid has a high flow resistance, and the viscous fluid has a flow resistance that increases with an increase in flow velocity, so that the modular crash boxes can maintain the toughness of the side member during normal driving and improve the strength of the side member during high-speed impact.
As a further preferred mode of the invention, the impact-resistant telescopic component comprises a telescopic energy-absorbing main shaft and a hollow impact disc, wherein the telescopic energy-absorbing main shaft is clamped and slidingly arranged in a top guide hole and a bottom guide sleeve, the telescopic energy-absorbing main shaft and the telescopic guide component can allow the hinged telescopic energy-absorbing mechanism to stretch in a small extent through the relative sliding of the telescopic energy-absorbing main shaft and the telescopic guide component, the hollow impact disc is arranged on the hinged telescopic energy-absorbing mechanism, one end of the hollow impact disc is provided with an energy-absorbing shaft connecting table, the hollow impact disc is provided with an impact disc center round hole, the hollow impact disc is clamped and arranged on the telescopic energy-absorbing main shaft through the impact disc center round hole, a plurality of groups of impact disc eccentric round holes are uniformly distributed on the hollow impact disc, and when the telescopic energy-absorbing main shaft stretches slowly, the viscous fluid can flow slowly through gaps between the hollow impact disc and the modularized energy-absorbing box and the impact disc eccentric round holes, and when the telescopic energy-absorbing main shaft stretches slowly, the flowing resistance of the viscous fluid can be increased instantaneously, so that the rigidity of the vehicle body is improved.
Further, articulated flexible energy-absorbing mechanism includes horizontal articulated shaft and flexible articulated assembly, horizontal articulated shaft locates on the combination formula girder subassembly, flexible articulated assembly rotates to locate horizontal articulated shaft on, and articulated flexible energy-absorbing mechanism and anti-impact modularized energy-absorbing mechanism constitute the supporting component who puts to one side jointly, can stabilize the automobile body through triangle-shaped structure on the one hand, on the other hand can be for the right angle is folded and is allocated the pressure of spreading when striking, reduces stress concentration and deflection.
Preferably, the telescopic hinge assembly comprises a hinge part, a first connecting rod and a second connecting rod, the hinge part is rotationally arranged on a transverse hinge shaft, the first connecting rod and the second connecting rod are respectively arranged on the hinge part, the first connecting rod is detachably connected with the connecting table at the bottom of the energy absorption box, and the second connecting rod is detachably connected with the connecting table of the energy absorption shaft.
Further, the combined girder assembly comprises a side girder and an end girder, wherein a side girder bottom straight part, a side girder top straight part, a side girder vertical part and a side girder inclined part are arranged on the side girder, and the transverse hinge shaft is fixedly connected to the inner sides of the side girder bottom straight part and the side girder top straight part.
Preferably, a side beam opening is further formed in one end of the bottom straight portion of the side beam, one end of the end beam is clamped in the side beam opening, the other end of the end beam is clamped with the end portion of the side beam inclined portion, and the side beam and the end beam are combined to avoid transverse shearing force at the joint to the greatest extent, so that impact force can be evenly distributed, and the bearing form of the vehicle body is optimized.
Further, the transverse reinforcement assembly comprises a square reinforcement and inclined reinforcing ribs, wherein the square reinforcement is clamped between the side longitudinal beams, and the inclined reinforcing ribs are arranged in the square reinforcement in a crossing mode.
Preferably, the transverse reinforcement assemblies are provided at the side sill bottom straight portion and the side sill top straight portion, respectively.
The beneficial effects obtained by the invention by adopting the structure are as follows:
(1) The flow resistance of the viscous fluid is increased along with the increase of the flow speed, so that the technical purposes of keeping the toughness of the longitudinal beam during normal running and improving the strength of the longitudinal beam during high-speed impact can be realized;
(2) When the impact-resistant modularized energy absorption mechanism is subjected to instant strong impact, on one hand, the structural rigidity of the combined main beam assembly can be kept through the instant increased retraction resistance, and on the other hand, a large amount of kinetic energy can be absorbed through the characteristic that retraction is still allowed, so that the deformation quantity of the combined main beam assembly is reduced, and passengers are protected;
(3) The hinged telescopic energy-absorbing mechanism and the impact-resistant modularized energy-absorbing mechanism are matched for use, so that the technical purposes of absorbing instant strong impact force, reducing deformation of a frame and expanding the living space of passengers can be realized;
(4) The hinged telescopic energy-absorbing mechanism can be allowed to stretch in a small range through the relative sliding of the telescopic energy-absorbing main shaft and the telescopic guide assembly;
(5) When the telescopic energy-absorbing main shaft stretches slowly, viscous fluid can be allowed to flow slowly through the gap between the hollow impact disc and the modularized energy-absorbing box and the eccentric round hole of the impact disc, and when the telescopic energy-absorbing main shaft stretches at a high speed, the flowing resistance of the viscous fluid can be increased instantaneously, so that the rigidity of the vehicle body is improved;
(6) The hinged telescopic energy-absorbing mechanism and the impact-resistant modularized energy-absorbing mechanism form an inclined supporting component, so that on one hand, a vehicle body can be stabilized through a triangular structure, and on the other hand, pressure can be distributed for right-angle bending during impact, and stress concentration and deformation quantity are reduced;
(7) The mode of combining the side longitudinal beam and the end longitudinal beam can avoid transverse shearing force at the joint to the greatest extent, so that the impact force can be evenly distributed, and the bearing form of the vehicle body is optimized.
Drawings
FIG. 1 is a perspective view of a novel longitudinal beam structure based on buffering and energy absorption;
FIG. 2 is a front view of a novel beam structure based on buffering and energy absorbing;
FIG. 3 is a left side view of a novel beam structure based on buffering and energy absorbing;
FIG. 4 is a top view of a novel beam structure based on buffering and energy absorbing according to the present invention;
FIG. 5 is a cross-sectional view taken along section line A-A of FIG. 3;
FIG. 6 is a schematic structural view of an impact-resistant modular energy absorbing mechanism based on a novel longitudinal beam structure for buffering and energy absorbing;
FIG. 7 is a schematic structural view of a hinge-type telescopic energy absorbing mechanism based on a novel longitudinal beam structure for buffering and energy absorbing;
FIG. 8 is a schematic structural view of a composite girder assembly of a novel girder structure based on buffering and energy absorption;
FIG. 9 is a schematic structural view of a transverse reinforcement assembly of a novel longitudinal beam structure based on buffering and energy absorption according to the present invention;
FIG. 10 is an enlarged view of a portion of the portion I of FIG. 5;
fig. 11 is an enlarged view of a portion at ii in fig. 5.
The energy-absorbing device comprises a 1 impact-resistant modularized energy-absorbing mechanism, a 2 hinge type telescopic energy-absorbing mechanism, a 3 combined girder component, a 4 transverse reinforcing component, a 5 telescopic guide component, a 6 impact-resistant telescopic component, a 7 modularized energy-absorbing box, a 8 viscous fluid, a 9 bottom guide sleeve, a 10 telescopic energy-absorbing main shaft, a 11 hollow impact disc, a 12 hollow impact disc, a top guide step, a 13 top guide hole, a 14 energy-absorbing box bottom connecting table, a 15 energy-absorbing shaft connecting table, a 16 hollow impact disc center round hole, a 17 hollow impact disc center round hole, a 18, a transverse hinge shaft, a 19 telescopic hinge component, a 20 hinge piece, a 21 hollow hinge rod, a first connecting rod, a 22 hollow hinge rod, a 23 side girder, a 24, an end girder, a 25, a side girder bottom straight part, a 26 side girder top straight part, a 27, a side girder vertical part, a 28, a side girder inclined part, a 29, a side girder opening, a 30 square frame type reinforcing part, a 31 and an inclined reinforcing rib.
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientation or positional relationships based on those shown in the drawings, merely to facilitate description of the invention and 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 thus should not be construed as limiting the invention.
As shown in fig. 1 to 11, the invention provides a novel longitudinal beam structure based on buffering and energy absorption, which comprises an impact-resistant modularized energy absorption mechanism 1, an articulated telescopic energy absorption mechanism 2, a combined type main beam component 3 and a transverse reinforcing component 4, wherein the impact-resistant modularized energy absorption mechanism 1 is arranged between the articulated telescopic energy absorption mechanisms 2, when the impact-resistant modularized energy absorption mechanism 1 is subjected to instant strong impact, on one hand, the structural rigidity of the combined type main beam component 3 can be kept through the instant increased retraction resistance, on the other hand, a large amount of kinetic energy can be absorbed through the characteristic of still allowing retraction, so that the deformation quantity of the combined type main beam component 3 is reduced, passengers are protected, the articulated telescopic energy absorption mechanism 2 is arranged in the combined type main beam component 3, the articulated telescopic energy absorption mechanism 2 and the impact-resistant modularized energy absorption mechanism 1 are matched for use, the technical purposes of absorbing instant strong impact force, reducing the deformation quantity of a frame and expanding the living space of the passengers can be realized, and the transverse reinforcing component 4 is arranged between the combined type main beam components 3.
The transverse reinforcement assembly 4 comprises square frame type reinforcement members 30 and inclined reinforcement ribs 31, wherein the square frame type reinforcement members 30 are clamped between the side longitudinal beams 23, and the inclined reinforcement ribs 31 are arranged in the square frame type reinforcement members 30 in a crossing mode.
The transverse reinforcement assemblies 4 are provided at the side sill bottom and side sill top flat portions 25 and 26, respectively.
The impact-resistant modularized energy absorption mechanism 1 comprises a telescopic guide assembly 5 and an impact-resistant telescopic assembly 6, wherein the telescopic guide assembly 5 and the impact-resistant telescopic assembly 6 are respectively arranged on the hinged telescopic energy absorption mechanism 2, and the impact-resistant telescopic assembly 6 is clamped and slidingly arranged in the telescopic guide assembly 5.
The telescopic guide assembly 5 comprises a modularized energy absorption box 7, viscous fluid 8 and a bottom guide sleeve 9, the modularized energy absorption box 7 is arranged on the hinged telescopic energy absorption mechanism 2, one end of the modularized energy absorption box 7 is provided with a top guide step 12, the top guide step 12 is provided with a top guide hole 13, the other end of the modularized energy absorption box 7 is provided with an energy absorption box bottom connecting table 14, the bottom guide sleeve 9 is arranged in the modularized energy absorption box 7, and the bottom guide sleeve 9 is positioned at the bottom of the modularized energy absorption box 7.
The modularized energy absorption box 7 is filled with the viscous fluid 8, the flowing resistance of the viscous fluid 8 is high, the flowing resistance of the viscous fluid 8 can be increased along with the increase of the flowing speed, and the technical purposes of keeping the toughness of the longitudinal beam during normal running and improving the strength of the longitudinal beam during high-speed impact can be achieved.
The shock-resistant telescopic component 6 comprises a telescopic energy-absorbing main shaft 10 and a hollow impact disc 11, the telescopic energy-absorbing main shaft 10 is clamped and slidingly arranged in a top guide hole 13 and a bottom guide sleeve 9, the telescopic energy-absorbing main shaft 10 and the telescopic guide component 5 can slide relatively, the hinged telescopic energy-absorbing mechanism 2 can be allowed to stretch out and draw back in a small extent, the hollow impact disc 11 is arranged on the hinged telescopic energy-absorbing mechanism 2, one end of the hollow impact disc 11 is provided with an energy-absorbing shaft connecting table 15, the hollow impact disc 11 is provided with an impact disc center round hole 16, the hollow impact disc 11 is clamped and arranged on the telescopic energy-absorbing main shaft 10 through the impact disc center round holes 16, the hollow impact disc 11 is provided with a plurality of groups in an array, impact disc eccentric round holes 17 are uniformly distributed on the hollow impact disc 11, when the telescopic energy-absorbing main shaft 10 stretches slowly, the viscous fluid 8 can be allowed to flow slowly through gaps between the hollow impact disc 11 and the modularized energy-absorbing box 7, and the flow resistance of the viscous fluid 8 can be increased instantaneously, so that the rigidity of a vehicle body is improved.
The articulated telescopic energy-absorbing mechanism 2 comprises a transverse articulated shaft 18 and a telescopic articulated assembly 19, the transverse articulated shaft 18 is arranged on the combined main beam assembly 3, the telescopic articulated assembly 19 is rotationally arranged on the transverse articulated shaft 18, the articulated telescopic energy-absorbing mechanism 2 and the impact-resistant modularized energy-absorbing mechanism 1 jointly form an inclined supporting assembly, on one hand, the vehicle body can be stabilized through a triangular structure, on the other hand, the pressure can be distributed for right-angle bending during impact, and the stress concentration and deformation quantity are reduced.
The telescopic hinge assembly 19 comprises a hinge piece 20, a first connecting rod 21 and a second connecting rod 22, the hinge piece 20 is rotatably arranged on the transverse hinge shaft 18, the first connecting rod 21 and the second connecting rod 22 are respectively arranged on the hinge piece 20, the first connecting rod 21 and the energy absorption box bottom connecting table 14 are detachably connected, and the second connecting rod 22 and the energy absorption shaft connecting table 15 are detachably connected.
The combined girder assembly 3 comprises a side girder 23 and an end girder 24, wherein the side girder 23 is provided with a side girder bottom straight part 25, a side girder top straight part 26, a side girder vertical part 27 and a side girder inclined part 28, and a transverse hinge shaft 18 is fixedly connected to the inner sides of the side girder bottom straight part 25 and the side girder top straight part 26.
The side rail 23 is further provided with a side rail opening 29 at one end of the side rail bottom straight portion 25, one end of the end rail 24 is engaged with the side rail opening 29, the other end of the end rail 24 is engaged with the end of the side rail inclined portion 28, and the side rail 23 and the end rail 24 are combined with each other, so that transverse shearing force at the joint can be avoided to the greatest extent, impact force can be evenly distributed, and the bearing form of the vehicle body is optimized.
When the anti-impact modularized energy absorbing mechanism is particularly used, firstly, a user needs to install the anti-impact modularized energy absorbing mechanism 1 according to the form of illustration;
in the normal use process, the deformation and rebound speed of the side longitudinal beam 23 are low, so that the flow resistance of the viscous fluid 8 is small, and the toughness (elastic deformation) of the longitudinal beam is not influenced;
when high-speed collision occurs, the impact force is instantaneous and huge, at the moment, the bending part where the side beam bottom straight part 25 and the side beam vertical part 27 are connected deforms firstly, at the moment, the impact-resistant modularized energy absorbing mechanism 1 can retract rapidly, and the hollow impact disc 11 can slide rapidly in the viscous fluid 8 and has extremely large resistance, so that the impact-resistant modularized energy absorbing mechanism 1 can absorb a part of impact and kinetic energy through the contraction of the impact-resistant modularized energy absorbing mechanism, thereby reducing the deformation quantity of the side longitudinal beam 23 and increasing the living space of passengers;
since the impact resistant modular energy absorbing mechanism 1 is modular, both the viscous fluid 8 and the hollow impact disc 11 can be individually replaced and serviced.
The whole working flow of the invention is just the above, and the step is repeated when the invention is used next time.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
The invention and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the invention as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (7)
1. Longitudinal beam structure based on buffering energy-absorbing, its characterized in that: the anti-impact modularized energy absorption mechanism (1), hinged telescopic energy absorption mechanisms (2), combined girder components (3) and transverse reinforcement components (4), wherein the anti-impact modularized energy absorption mechanisms (1) are arranged between the hinged telescopic energy absorption mechanisms (2), the hinged telescopic energy absorption mechanisms (2) are arranged in the combined girder components (3), and the transverse reinforcement components (4) are arranged between the combined girder components (3); the anti-impact modularized energy absorption mechanism (1) comprises a telescopic guide assembly (5) and an anti-impact telescopic assembly (6), wherein the telescopic guide assembly (5) and the anti-impact telescopic assembly (6) are respectively arranged on the hinged telescopic energy absorption mechanism (2), and the anti-impact telescopic assembly (6) is clamped and slidingly arranged in the telescopic guide assembly (5);
the telescopic guide assembly (5) comprises a modularized energy absorption box (7), viscous fluid (8) and a bottom guide sleeve (9), wherein the modularized energy absorption box (7) is arranged on the hinged telescopic energy absorption mechanism (2), one end of the modularized energy absorption box (7) is provided with a top guide step (12), the top guide step (12) is provided with a top guide hole (13), the other end of the modularized energy absorption box (7) is provided with an energy absorption box bottom connecting table (14), the bottom guide sleeve (9) is arranged in the modularized energy absorption box (7), and the bottom guide sleeve (9) is positioned at the bottom of the modularized energy absorption box (7);
the modularized energy absorption box (7) is filled with viscous fluid (8);
the anti-impact telescopic assembly (6) comprises a telescopic energy-absorbing main shaft (10) and a hollow impact disc (11), wherein the telescopic energy-absorbing main shaft (10) is clamped and slidingly arranged in a top guide hole (13) and a bottom guide sleeve (9), the hollow impact disc (11) is arranged on a hinged telescopic energy-absorbing mechanism (2), one end of the hollow impact disc (11) is provided with an energy-absorbing shaft connecting table (15), the hollow impact disc (11) is provided with an impact disc center circular hole (16), the hollow impact disc (11) is clamped and arranged on the telescopic energy-absorbing main shaft (10) through the impact disc center circular hole (16), a plurality of groups are arranged on the hollow impact disc (11) in an array, and impact disc eccentric circular holes (17) are also annularly and uniformly distributed on the hollow impact disc (11).
2. The cushioning energy absorbing based stringer structure of claim 1, wherein: the hinged telescopic energy absorption mechanism (2) comprises a transverse hinged shaft (18) and a telescopic hinged assembly (19), wherein the transverse hinged shaft (18) is arranged on the combined main beam assembly (3), and the telescopic hinged assembly (19) is rotatably arranged on the transverse hinged shaft (18).
3. The cushioning energy absorbing based stringer structure of claim 2, wherein: the telescopic hinge assembly (19) comprises a hinge (20), a first connecting rod (21) and a second connecting rod (22), the hinge (20) is rotationally arranged on a transverse hinge shaft (18), the first connecting rod (21) and the second connecting rod (22) are respectively arranged on the hinge (20), the first connecting rod (21) and the energy absorption box bottom connecting table (14) are detachably connected, and the second connecting rod (22) and the energy absorption shaft connecting table (15) are detachably connected.
4. A cushioning energy absorbing based stringer structure according to claim 3, wherein: the combined main beam assembly (3) comprises a side longitudinal beam (23) and an end longitudinal beam (24), wherein a side beam bottom straight part (25), a side beam top straight part (26), a side beam vertical part (27) and a side beam inclined part (28) are arranged on the side longitudinal beam (23), and the transverse hinge shaft (18) is fixedly connected to the inner sides of the side beam bottom straight part (25) and the side beam top straight part (26).
5. The cushioning energy absorbing based stringer structure of claim 4, wherein: the side longitudinal beam (23) is further provided with a side beam opening (29) at one end of the side beam bottom straight part (25), one end of the end longitudinal beam (24) is clamped in the side beam opening (29), and the other end of the end longitudinal beam (24) is clamped with the end of the side beam inclined part (28).
6. The cushioning energy absorbing based stringer structure of claim 5, wherein: the transverse reinforcement assembly (4) comprises Fang Kuangshi reinforcing members (30) and inclined reinforcing ribs (31), the square frame reinforcing members (30) are clamped between the side longitudinal beams (23), and the inclined reinforcing ribs (31) are arranged in the square frame reinforcing members (30) in a crossing mode.
7. The cushioning energy absorbing based stringer structure of claim 6, wherein: the transverse reinforcement assembly (4) is respectively arranged at the bottom flat part (25) of the side beam and the top flat part (26) of the side beam.
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| CN202211440920.6A CN115626221B (en) | 2022-11-17 | 2022-11-17 | Novel longitudinal beam structure based on buffering energy absorption |
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| CN104760553A (en) * | 2015-04-09 | 2015-07-08 | 刘小娟 | Adjustable modular collision prevention device |
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| RU2012124812A (en) * | 2009-11-16 | 2013-12-27 | Фостер-Миллер, Инк. | Punch Inertia Absorber |
| ES2803077T3 (en) * | 2014-10-08 | 2021-01-22 | Interactive Fully Electrical Vehicles S R L | Electric car with pre-assembled modular structure |
| CN109723751B (en) * | 2018-12-17 | 2020-08-18 | 汪玉 | Impact-resistant isolator for liquid medium |
| CN209795394U (en) * | 2019-04-23 | 2019-12-17 | 浙江农业商贸职业学院 | Novel automobile anti-collision beam |
| KR20210070805A (en) * | 2019-12-05 | 2021-06-15 | 현대자동차주식회사 | Body for vehicles |
| CN114074624A (en) * | 2020-08-14 | 2022-02-22 | 上海汽车集团股份有限公司 | Vehicle collision buffering energy-absorbing system and manufacturing method thereof |
| CN115303321A (en) * | 2022-08-04 | 2022-11-08 | 武汉中车长客轨道车辆有限公司 | Multi-range anti-climbing energy absorption device |
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| CN104760553A (en) * | 2015-04-09 | 2015-07-08 | 刘小娟 | Adjustable modular collision prevention device |
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