CN115626221A - Novel longitudinal beam structure based on buffering energy-absorbing - Google Patents
Novel longitudinal beam structure based on buffering energy-absorbing Download PDFInfo
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- CN115626221A CN115626221A CN202211440920.6A CN202211440920A CN115626221A CN 115626221 A CN115626221 A CN 115626221A CN 202211440920 A CN202211440920 A CN 202211440920A CN 115626221 A CN115626221 A CN 115626221A
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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
Abstract
The invention discloses a novel longitudinal beam structure based on buffering and energy absorption, which comprises an impact-resistant modular energy absorption mechanism, a hinged telescopic energy absorption mechanism, a combined main beam assembly and a transverse reinforcing assembly. The invention belongs to the technical field of a small automobile longitudinal beam, and particularly relates to a novel longitudinal beam structure based on buffering and energy absorption; the invention aims to overcome the technical contradiction that the longitudinal beam of the vehicle needs rigidity and toughness, and provides an anti-impact modular energy absorption mechanism creatively.
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 living standard of people, the electric vehicle can not meet part of traveling scenes of people, and particularly for the old, a small four-wheel fully-enclosed vehicle with stable structure and high safety becomes a better choice; due to the limitations of cost and space, the conventional small four-wheel automobile generally has insufficient safety, wherein the safety is realized on the rigidity of the automobile body on one hand and on the capability of absorbing impact on the other hand.
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 contradictory attributes all the time, the rigidity can provide better support performance, so that the vehicle can run more stably, and the shape of the vehicle body can be kept and living space is reserved for passengers when the vehicle is impacted; and toughness can improve the comfort level of vehicle to can rely on the small amplitude deformation of self to absorb the impact when the striking, avoid the cracked risk of automobile body.
The invention discloses an impact-resistant modular energy absorption mechanism, which is characterized in that the most easily bent position is the bent position of a straight bottom part of a side beam and a vertical part of the side beam from the analysis of a distribution angle of stress concentration and a length angle of an acting force arm, and a vehicle door is required to be arranged at the bent position, so that triangular rib reinforcement cannot be arranged.
The technical scheme adopted by the invention is as follows: the invention provides a novel longitudinal beam structure based on buffering and energy absorption, which comprises an impact-resistant modular energy absorption mechanism, a hinged telescopic energy absorption mechanism, a combined main beam assembly and a transverse reinforcement assembly, wherein the impact-resistant modular energy absorption mechanism is arranged between the hinged telescopic energy absorption mechanisms, when the impact-resistant modular energy absorption mechanism is subjected to instantaneous strong impact, on one hand, the structural rigidity of the combined main beam assembly can be kept through the instantaneously increased retraction resistance, on the other hand, a large amount of kinetic energy can be absorbed through the characteristic that the impact-resistant modular energy absorption mechanism allows retraction, so that the deformation quantity of the combined main beam assembly is reduced, passengers are protected, the hinged telescopic energy absorption mechanism is arranged in the combined main beam assembly, the hinged telescopic energy absorption mechanism and the impact-resistant modular energy absorption mechanism are matched for use, the technical purposes of absorbing instantaneous strong impact force, reducing the deformation quantity of a frame and expanding the living space of the passengers can be realized, and the transverse reinforcement assembly is arranged between the combined main beam assemblies.
Furthermore, the impact-resistant modular energy absorption mechanism comprises a telescopic guide assembly and an impact-resistant telescopic assembly, wherein the telescopic guide assembly and the impact-resistant telescopic assembly are respectively arranged on the hinged telescopic energy absorption mechanism, and the impact-resistant telescopic assembly is clamped and slidably arranged in the telescopic guide assembly.
Preferably, the telescopic guide assembly comprises a modular energy absorption box, viscous fluid and a bottom guide sleeve, the modular energy absorption box is arranged on the hinged telescopic energy absorption mechanism, a top guide step is arranged at one end of the modular energy absorption box, a top guide hole is formed in the top guide step, a bottom connecting table of the energy absorption box is arranged at the other end of the modular energy absorption box, the bottom guide sleeve is arranged in the modular energy absorption box, and the bottom guide sleeve is located at the bottom of the modular energy absorption box.
In a further preferred aspect of the present invention, the modular crash boxes are filled with a viscous fluid, and the flow resistance of the viscous fluid is high, and the flow resistance of the viscous fluid increases as the flow velocity increases, so that the technical object of maintaining the toughness of the side member during normal running and improving the strength of the side member during high-speed impact can be achieved.
As a further preferred aspect of the present invention, the impact-resistant telescopic assembly includes a telescopic energy-absorbing main shaft and a hollow impact disc, the telescopic energy-absorbing main shaft is slidably engaged with the top guide hole and the bottom guide sleeve, the articulated telescopic energy-absorbing mechanism is allowed to expand and contract in a small range by relative sliding between the telescopic energy-absorbing main shaft and the telescopic guide assembly, the hollow impact disc is disposed on the articulated telescopic energy-absorbing mechanism, an energy-absorbing shaft connecting table is disposed at one end of the hollow impact disc, an impact disc center circular hole is disposed on the hollow impact disc, the hollow impact disc is engaged with the telescopic energy-absorbing main shaft through the impact disc center circular hole, the hollow impact disc array is provided with a plurality of sets of hollow impact discs, and impact disc eccentric circular holes are circumferentially and uniformly distributed on the hollow impact disc, when the telescopic energy-absorbing main shaft is slowly extended and retracted, viscous fluid can be allowed to slowly flow through a gap between the hollow impact disc and the impact disc eccentric circular holes, and when the telescopic energy-absorbing main shaft is extended and retracted at a high speed, flow resistance of the viscous fluid can be instantly increased, thereby improving rigidity of a vehicle body.
Further, the flexible energy-absorbing mechanism of articulated formula includes horizontal articulated shaft and flexible articulated subassembly, horizontal articulated shaft is located on the combination formula girder subassembly, flexible articulated subassembly rotates and is equipped with on the horizontal articulated shaft, and the supporting component of putting to one side is constituteed jointly to flexible energy-absorbing mechanism of articulated formula and the modularization energy-absorbing mechanism that shocks resistance, can pass through the stable automobile body of triangle-shaped structure on the one hand, and on the other hand can be when the striking for the department of bending at the right angle pressure of sharing, reduces stress concentration and deformation volume.
Preferably, the telescopic hinge assembly comprises a hinge piece, a first connecting rod and a second connecting rod, the hinge piece is rotatably arranged on the transverse hinge shaft, the first connecting rod and the second connecting rod are respectively arranged on the hinge piece, the first connecting rod is detachably connected with the connecting platform at the bottom of the energy absorption box, and the second connecting rod is detachably connected with the connecting platform of the energy absorption shaft.
Further, the modular main beam assembly includes side rails and end rails, the side rails having side sill bottom straight portions, side sill top straight portions, side sill vertical portions and side sill inclined portions, the transverse hinge axis being located approximately inboard of the side sill bottom straight portions and the side sill top straight portions.
Preferably, the side longitudinal beam is further provided with a side beam opening at one end of the side beam bottom straight part, one end of the end longitudinal beam is clamped in the side beam opening, the other end of the end longitudinal beam is clamped in the end part provided with the side beam inclined part, and the side longitudinal beam and the end longitudinal beam are combined with each other, so that the transverse shearing force at the joint can be avoided to the maximum extent, the impact force can be evenly distributed, and the force bearing form of the vehicle body is optimized.
Furthermore, the transverse reinforcement assembly comprises a square frame type reinforcement and an inclined reinforcing rib, the square frame type reinforcement is clamped between the side longitudinal beams, and the inclined reinforcing rib is arranged in the square frame type reinforcement in a crossed mode.
Preferably, the lateral reinforcement members are provided at the side sill bottom straight portion and the side sill top straight portion, respectively.
The invention with the structure has the following beneficial effects:
(1) The flow resistance of the viscous fluid is increased along with the increase of the flow speed, so that the technical aims 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 fulfilled;
(2) When the impact-resistant modular 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 instantly increased retraction resistance, and on the other hand, a large amount of kinetic energy can be absorbed through the characteristic that the combined main beam component still allows retraction, so that the deformation quantity of the combined main beam component is reduced, and passengers are protected;
(3) The hinged telescopic energy absorbing mechanism and the impact-resistant modular energy absorbing mechanism are matched for use, so that the technical aims of absorbing instant strong impact force, reducing the deformation of the frame and expanding the living space of passengers can be fulfilled;
(4) The articulated telescopic energy absorption mechanism can be allowed to stretch in a small range through the relative sliding of the telescopic energy absorption main shaft and the telescopic guide assembly;
(5) When the telescopic energy-absorbing main shaft is slowly stretched, viscous fluid can be allowed to slowly flow through a gap between the hollow impact disc and the modular energy-absorbing box and the eccentric circular hole of the impact disc, and when the telescopic energy-absorbing main shaft is stretched at a high speed, the flow resistance of the viscous fluid can be instantly increased, so that the rigidity of a vehicle body is improved;
(6) The articulated telescopic energy absorption mechanism and the impact-resistant modular energy absorption mechanism jointly form an inclined support assembly, so that on one hand, a vehicle body can be stabilized through a triangular structure, and on the other hand, the pressure can be shared at a right-angle bending part during impact, and stress concentration and deformation amount are reduced;
(7) The mode that side longeron and tip longeron are mutually combined can avoid the horizontal shearing force of junction to the at utmost, makes the impact force of striking can be evenly shared, optimizes the load-carrying form of automobile body.
Drawings
FIG. 1 is a perspective view of a novel longitudinal beam structure based on energy absorption and buffering provided by the invention;
FIG. 2 is a front view of a novel longitudinal beam structure based on energy absorption and buffering provided by the invention;
FIG. 3 is a left side view of a novel longitudinal beam structure based on energy absorption and buffering provided by the invention;
FIG. 4 is a top view of a novel longitudinal beam structure based on energy absorption and buffering provided by the invention;
FIG. 5 isbase:Sub>A cross-sectional view taken along section line A-A of FIG. 3;
FIG. 6 is a schematic structural diagram of an impact-resistant modular energy absorption mechanism of a novel longitudinal beam structure based on energy absorption and buffering;
FIG. 7 is a schematic structural view of an articulated telescopic energy absorption mechanism of a novel longitudinal beam structure based on energy absorption and buffering;
fig. 8 is a schematic structural diagram of a combined main beam group based on a novel longitudinal beam structure for buffering and energy absorption provided by the invention;
FIG. 9 is a schematic structural diagram of a transverse reinforcing component of a novel longitudinal beam structure based on energy absorption and buffering, provided by the invention;
FIG. 10 is an enlarged view of a portion of FIG. 5 at I;
fig. 11 is a partial enlarged view of the point ii in fig. 5.
The energy absorption device comprises an impact-resistant modular energy absorption mechanism, 2, a hinged telescopic energy absorption mechanism, 3, a combined main beam assembly, 4, a transverse reinforcement assembly, 5, a telescopic guide assembly, 6, an impact-resistant telescopic assembly, 7, a modular energy absorption box, 8, viscous fluid, 9, a bottom guide sleeve, 10, a telescopic energy absorption main shaft, 11, a hollow impact disc, 12, a top guide step, 13, a top guide hole, 14, an energy absorption box bottom connecting table, 15, an energy absorption shaft connecting table, 16, an impact disc central circular hole, 17, an impact disc eccentric circular hole, 18, a transverse articulated shaft, 19, a telescopic articulated assembly, 20, an articulated piece, 21, a connecting rod I, 22, a connecting rod II, 23, a side longitudinal beam, 24, an end longitudinal beam, 25, a bottom straight part, 26, a side beam top straight part, 27, a side beam vertical part, 28, a side beam, 29, a side beam opening, 30, a square frame type reinforcement, 31 and an inclined reinforcing rib.
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present 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 anti-impact modular energy absorption mechanism 1, an articulated telescopic energy absorption mechanism 2, a combined main beam component 3 and a transverse reinforcement component 4, wherein the anti-impact modular energy absorption mechanism 1 is arranged between the articulated telescopic energy absorption mechanisms 2, when the anti-impact modular energy absorption mechanism 1 is subjected to transient strong impact, on one hand, the structural rigidity of the combined main beam component 3 can be kept through the instantaneously increased retraction resistance, on the other hand, a large amount of kinetic energy can be absorbed through the characteristic that the anti-impact modular energy absorption mechanism still allows retraction, so that the deformation amount of the combined main beam component 3 is reduced, passengers are protected, the articulated telescopic energy absorption mechanism 2 is arranged in the combined main beam component 3, the articulated telescopic energy absorption mechanism 2 and the anti-impact modular energy absorption mechanism 1 are matched for use, the technical purposes of absorbing transient strong impact force, reducing the deformation amount of a vehicle frame and expanding the living space of passengers can be realized, and the transverse reinforcement component 4 is arranged between the combined main beam components 3.
The transverse reinforcing assembly 4 comprises square frame type reinforcing members 30 and inclined reinforcing ribs 31, the square frame type reinforcing members 30 are clamped between the side longitudinal beams 23, and the inclined reinforcing ribs 31 are arranged in the square frame type reinforcing members 30 in a crossed mode.
The lateral reinforcement members 4 are provided at the side sill bottom straight portion 25 and the side sill top straight portion 26, respectively.
The anti-impact modular energy absorption mechanism 1 comprises a telescopic guide component 5 and an anti-impact telescopic component 6, the telescopic guide component 5 and the anti-impact telescopic component 6 are respectively arranged on the hinged telescopic energy absorption mechanism 2, and the anti-impact telescopic component 6 is clamped and slidably arranged in the telescopic guide component 5.
The flexible direction subassembly 5 includes modularization energy-absorbing box 7, viscous fluid 8 and bottom guide sleeve 9, the flexible energy-absorbing mechanism 2 of articulated formula is located to modularization energy-absorbing box 7, the one end of modularization energy-absorbing box 7 is equipped with top direction step 12, be equipped with top guiding hole 13 on the top direction step 12, the other end of modularization energy-absorbing box 7 is equipped with energy-absorbing box bottom joint platform 14, the modularization energy-absorbing box 7 is located to bottom guide sleeve 9, bottom guide sleeve 9 is located the bottom of modularization energy-absorbing box 7.
The modularized energy absorption box 7 is filled with the viscous fluid 8, the flow resistance of the viscous fluid 8 is large, and the flow resistance of the viscous fluid 8 is increased along with the increase of the flow speed, so that the technical aims 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 fulfilled.
The impact-resistant telescopic assembly 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 slidably arranged in a top guide hole 13 and a bottom guide sleeve 9, the articulated telescopic energy-absorbing mechanism 2 can be allowed to stretch slightly through the relative sliding of the telescopic energy-absorbing main shaft 10 and the telescopic guide assembly 5, the hollow impact disc 11 is arranged on the articulated 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 central circular hole 16, the hollow impact disc 11 is clamped and arranged on the telescopic energy-absorbing main shaft 10 through the impact disc central circular hole 16, the hollow impact disc 11 is provided with a plurality of groups, impact disc energy-absorbing circular holes 17 are uniformly distributed on the hollow impact disc 11 in an annular mode, when the telescopic main shaft 10 stretches slowly, through a gap between the hollow impact disc 11 and the modularized impact disc eccentric circular hole 17, the viscous fluid 8 can be allowed to flow slowly, when the telescopic energy-absorbing main shaft 10 stretches at a high speed, the flowing resistance of the viscous fluid 8 can be increased instantly, and the rigidity of a vehicle body can be improved.
Articulated flexible energy-absorbing mechanism 2 includes horizontal articulated shaft 18 and flexible articulated subassembly 19, horizontal articulated shaft 18 is located on the combination formula girder subassembly 3, flexible articulated subassembly 19 rotates and is equipped with on the horizontal articulated shaft 18, articulated flexible energy-absorbing mechanism 2 constitutes the supporting component of putting to one side jointly with anti-impact modularization energy-absorbing mechanism 1, can pass through the stable automobile body of triangle-shaped structure on the one hand, on the other hand can be when the striking for the right angle department of bending share pressure, reduce stress concentration and deformation volume.
The telescopic hinge assembly 19 comprises a hinge element 20, a first connecting rod 21 and a second connecting rod 22, the hinge element 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 element 20, the first connecting rod 21 is detachably connected with the connecting platform 14 at the bottom of the energy absorption box, and the second connecting rod 22 is detachably connected with the connecting platform 15 of the energy absorption shaft.
The assembled main beam assembly 3 includes side rails 23 and end rails 24, the side rails 23 having side rail bottom straight portions 25, side rail top straight portions 26, side rail vertical portions 27 and side rail inclined portions 28, the transverse hinge axis 18 being located approximately inboard of the even side rail bottom straight portions 25 and the side rail top straight portions 26.
The side longitudinal beam 23 is also 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, the other end of the end longitudinal beam 24 is clamped in the end part provided with the side beam inclined part 28, and the side longitudinal beam 23 and the end longitudinal beam 24 are combined with each other, so that the transverse shearing force at the joint can be avoided to the maximum extent, the impact force can be evenly distributed, and the force bearing form of the vehicle body is optimized.
When the shock-resistant modular energy absorption mechanism is used specifically, firstly, a user needs to finish the installation of the shock-resistant modular energy absorption mechanism 1 according to a diagram form;
in the process of using at ordinary times, because the deformation and the rebound speed of the side longitudinal beam 23 are slow, and the flow resistance of the viscous fluid 8 is small, the toughness (elastic deformation) of the longitudinal beam is not influenced;
when high-speed impact occurs, the impact force is instantaneous and huge, the bending part where the bottom straight part 25 of the side beam and the vertical part 27 of the side beam are connected deforms first, the anti-impact modular energy absorption mechanism 1 retracts quickly, and the hollow impact disc 11 can slide quickly in the viscous fluid 8 and has great resistance, so that the anti-impact modular energy absorption mechanism 1 can absorb a part of impact and kinetic energy through self-contraction, the deformation amount of the side longitudinal beam 23 is reduced, and the living space of passengers is increased;
since the impact resistant modular energy absorption mechanism 1 is modularly arranged, both the viscous fluid 8 and the hollow impact disc 11 can be individually replaced for maintenance.
The above is the overall working process of the invention, and the steps are repeated when the device is used next time.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should be able to conceive of the present invention without creative design of the similar structural modes and embodiments without departing from the spirit of the present invention, and all such modifications should fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a novel longeron structure based on buffering energy-absorbing which characterized in that: the energy-absorbing device comprises an impact-resistant modular energy-absorbing mechanism (1), hinged telescopic energy-absorbing mechanisms (2), a combined main beam assembly (3) and a transverse reinforcing assembly (4), wherein the impact-resistant modular energy-absorbing mechanism (1) is arranged between the hinged telescopic energy-absorbing mechanisms (2), the hinged telescopic energy-absorbing mechanisms (2) are arranged in the combined main beam assembly (3), and the transverse reinforcing assembly (4) is arranged between the combined main beam assemblies (3); the anti-impact modular energy absorption mechanism (1) comprises a telescopic guide component (5) and an anti-impact telescopic component (6), the telescopic guide component (5) and the anti-impact telescopic component (6) are respectively arranged on the hinged telescopic energy absorption mechanism (2), and the anti-impact telescopic component (6) is clamped and slidably arranged in the telescopic guide component (5).
2. The novel longitudinal beam structure based on buffering and energy absorption is characterized in that: the telescopic guide assembly (5) comprises a modular energy absorption box (7), viscous fluid (8) and a bottom guide sleeve (9), the modular energy absorption box (7) is arranged on the hinged telescopic energy absorption mechanism (2), one end of the modular energy absorption box (7) is provided with a top guide step (12), a top guide hole (13) is formed in the top guide step (12), the other end of the modular energy absorption box (7) is provided with an energy absorption box bottom connecting platform (14), the bottom guide sleeve (9) is arranged in the modular energy absorption box (7), and the bottom guide sleeve (9) is located at the bottom of the modular energy absorption box (7).
3. The novel longitudinal beam structure based on buffering and energy absorbing is characterized in that: the modular crash boxes (7) are filled with viscous fluid (8).
4. The novel longitudinal beam structure based on buffering energy absorption of claim 3, characterized in that: shock-resistant flexible subassembly (6) are strikeed dish (11) including flexible energy-absorbing main shaft (10) and hollow formula, flexible energy-absorbing main shaft (10) block slides and locates in top guiding hole (13) and bottom guide sleeve (9), the hollow formula is strikeed dish (11) and is located on articulated formula energy-absorbing mechanism (2), the one end that the hollow formula strikeed dish (11) is equipped with energy-absorbing axle and connects platform (15), be equipped with on the hollow formula strikeed dish (11) and strike dish central round hole (16), on flexible energy-absorbing main shaft (10) were located through strikeeing dish central round hole (16) block to hollow formula strikeed dish (11), hollow formula strikeed dish (11) array and is equipped with a plurality of groups, it is equipped with and strikes dish eccentric round hole (17) to go back annular equipartition on dish (11) to strike the hollow formula.
5. The novel longitudinal beam structure based on buffering and energy absorbing is characterized in that: articulated flexible energy-absorbing mechanism (2) are including horizontal articulated shaft (18) and flexible articulated subassembly (19), horizontal articulated shaft (18) are located on combination formula girder subassembly (3), flexible articulated subassembly (19) are rotated and are equipped with on horizontal articulated shaft (18).
6. The novel longitudinal beam structure based on buffering and energy absorbing is characterized in that: flexible articulated subassembly (19) include articulated elements (20), connecting rod one (21) and connecting rod two (22), articulated elements (20) rotate locate horizontal articulated shaft (18) on, connecting rod one (21) and connecting rod two (22) are located respectively on articulated elements (20), connecting rod one (21) and energy-absorbing box bottom are connected platform (14) and can be dismantled the connection, connecting rod two (22) and energy-absorbing axle are connected platform (15) and can be dismantled the connection.
7. The novel longitudinal beam structure based on buffering energy absorption of claim 6, characterized in that: the combined main beam assembly (3) comprises side longitudinal beams (23) and end longitudinal beams (24), wherein the side longitudinal beams (23) are provided with side beam bottom straight parts (25), side beam top straight parts (26), side beam vertical parts (27) and side beam inclined parts (28), and the transverse hinge shafts (18) are estimated as the inner sides of the even side beam bottom straight parts (25) and the side beam top straight parts (26).
8. The novel longitudinal beam structure based on buffering and energy absorbing is characterized in that: the side longitudinal beam (23) is also 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 in the end part provided with the side beam inclined part (28).
9. The novel longitudinal beam structure based on buffering and energy absorbing is characterized in that: the transverse reinforcing assembly (4) comprises Fang Kuangshi reinforcing members (30) and oblique reinforcing ribs (31), the square frame reinforcing members (30) are clamped between the side longitudinal beams (23), and the oblique reinforcing ribs (31) are arranged in the square frame reinforcing members (30) in a crossed mode.
10. The novel longitudinal beam structure based on buffering and energy absorbing is characterized in that: the transverse reinforcing component (4) is respectively arranged at the bottom straight part (25) and the top straight part (26) of the side beam.
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| 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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| CN115626221B (en) | 2023-06-06 |
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