CN112498211A - Self-adaptive anti-collision buffer device and anti-collision buffer vehicle - Google Patents

Abstract

The application provides a self-adaptation anticollision buffer device and anticollision buffering car, through setting up a plurality of preceding rear articulated buffering modules in proper order, and adjacent two in the buffering module, be located the rear side buffering module can be located the front side relatively buffering module is toward left side or right side rotation, through this design, when the rear vehicle does not hit to buffering module along the centre, the relative front side articulated buffering module of the buffering module of rear side rotates toward the striking position side, adjusts the buffering angle through self-adaptation striking vehicle position, reaches the purpose of protection rear vehicle, plays fine buffering guard action.

Description

Self-adaptive anti-collision buffer device and anti-collision buffer vehicle

Technical Field

The application relates to the technical field of anti-collision buffer vehicle equipment, in particular to a self-adaptive anti-collision buffer device and an anti-collision buffer vehicle.

Background

When the road construction, in order to guarantee constructor's safety, need place crashproof car behind the construction position. The existing anti-collision vehicle comprises a vehicle body and an anti-collision device arranged at the tail part of the vehicle body. When the collision-proof vehicle is in operation, the oil cylinder driving device drives the collision-proof device to turn to a horizontal state, when a rear vehicle collides with the buffer vehicle, the collision-proof device provides buffer for the moving vehicle body, the injury to constructors is reduced, and after the operation is finished, the collision-proof device turns to a position vertical to the vehicle body.

However, the existing anti-collision device has limited anti-collision capability, general buffering stability and energy absorption effect, when a rear vehicle collides to the anti-collision device from the center but collides on the left side or the right side of the anti-collision device, only one side of the anti-collision device has the effect, the anti-collision effect is reduced, and a good buffering protection effect cannot be achieved. Therefore, further improvements to existing crash guards are needed.

Disclosure of Invention

This application provides a self-adaptation anticollision buffer for solving current anticollision buffering car shock-absorbing capacity and the poor technical problem of anticollision effect.

Another object of the present application is to provide a crash-cushion vehicle.

Self-adaptation anticollision buffer, including a plurality ofly by preceding articulated buffering module in proper order after to, and adjacent two among the buffering module, be located the rear side the buffering module can be located the front side relatively the buffering module is toward left side or right side rotation.

According to the self-adaptive anti-collision buffer device, the middle parts of two adjacent buffer modules are hinged through the hinge mechanisms.

As above-mentioned self-adaptation anticollision buffer, articulated mechanism is including locating the articulated couple in buffering module front side middle part, and locate the bellied articulated arch that makes progress in buffering module rear side middle part, be located the rear side buffering module on the articulated couple articulates and is located the front side buffering module on the articulated arch.

As above-mentioned self-adaptation anticollision buffer, articulated mechanism is including locating the articulated couple at buffering module rear side middle part, and locate buffering module front side middle part is bellied articulated protruding upwards, is located the front side buffering module on the articulated couple articulates and is located the rear side buffering module on the articulated protruding.

According to the self-adaptive anti-collision buffer device, the front side end face and/or the rear side end face of the buffer module is/are provided with the arc-shaped part.

The radian of the arc-shaped part of the self-adaptive crash cushion device is 100-120 degrees.

According to the self-adaptive anti-collision buffer device, the rotating mechanisms are arranged on the left side wall and the right side wall of the two adjacent buffer modules and used for elastically limiting the buffer module positioned on the rear side and the buffer module positioned on the front side relatively to the buffer module positioned on the rear side to rotate.

According to the self-adaptive anti-collision buffer device, the side wall of the buffer module is provided with the upper hinge seat and the lower hinge seat;

the rotating mechanism comprises a connecting rod, wherein the front end of the connecting rod is hinged to an upper hinged seat on the buffering module, the rear end of the connecting rod is hinged to a lower hinged seat on the buffering module, the upper hinged seat is located on the front side, the rear end of the connecting rod is located on the rear side, and the connecting rod is of a telescopic structure.

According to the self-adaptive anti-collision buffer device, the number of the buffer modules is 3-5;

the buffer module on the rear side can rotate relative to the buffer module on the front side by an angle of 5-15 degrees towards the left side or the right side.

Anticollision buffer car, including the automobile body, the automobile body rear end is equipped with foretell self-adaptation anticollision buffer.

Compared with the prior art, the beneficial effects of this application are as follows:

1. this application is through setting up a plurality of preceding articulated buffering modules in proper order backward, and adjacent two among the buffering module, be located the rear side buffering module can be located the front side relatively buffering module is toward left side or right side rotation, through this design, when the rear vehicle does not hit to buffering module along the centre, the relative front side articulated buffering module of the buffering module of rear side rotates toward the striking position side, through self-adaptation striking vehicle position adjustment buffering angle, reaches the purpose of protection rear vehicle, plays fine buffering guard action.

2. The utility model provides an anticollision buffering car is provided with self-adaptation anticollision buffer at automobile body rear end, but self-adaptation striking vehicle position adjusts the buffering angle, reaches the purpose of protection rear vehicle, plays fine buffering guard action.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of a crash cushion vehicle according to an embodiment of the present application.

Fig. 2 is a schematic perspective view illustrating the buffer module 1 located at the rear side of the embodiment when rotating to the left side relative to the buffer module 1 located at the front side.

Fig. 3 is a perspective view of an adaptive crash cushion in an embodiment of the present application.

Fig. 4 is a sectional view taken in the direction of a-a in fig. 3.

Fig. 5 is a partial enlarged view of the portion i in fig. 3.

Fig. 6 is a partial enlarged view of a portion ii in fig. 4.

Fig. 7 is a schematic structural diagram of the buffer unit 10 according to the embodiment of the present application.

Fig. 8 is a schematic perspective view illustrating the driving device 5 driving the adaptive crash cushion to turn over to the vertical state in the embodiment.

Fig. 9 is a schematic perspective view illustrating the case where the rotation mechanism 6 rotates the rear cushion module 1 to the upper side of the front cushion module 1 and the driving device 5 drives the adaptive crash cushion to rotate vertically in the embodiment.

Fig. 10 is a right side view of an adaptive pre-crash cushion in an embodiment of the subject application.

Fig. 11 is a schematic perspective view of the crash module 4 in the embodiment of the present application.

Fig. 12 is a perspective view of the rear housing 402 hidden by the crash module 4 according to the embodiment of the present application.

Fig. 13 is a sectional view taken in the direction B-B in fig. 11.

Fig. 14 is an internal schematic view of the crash module 4 according to the embodiment of the present application.

Detailed Description

As shown in fig. 1-14, the adaptive anti-collision buffer device includes a plurality of buffer modules 1 hinged in sequence from front to back, and two adjacent buffer modules 1, the buffer module 1 located at the rear side can rotate toward the left or right side relative to the buffer module 1 located at the front side.

This application is through setting up a plurality of preceding articulated buffering module 1 in proper order backward, and adjacent two among the buffering module 1, be located the rear side buffering module 1 can be located the front side relatively buffering module 1 rotates toward left side or right side, through this design, when the rear vehicle does not hit to the buffering module along the centre, the relative articulated buffering module of front side of buffering module of rear side rotates toward striking position side, through self-adaptation striking vehicle position adjustment buffering angle, reaches the purpose of protection rear vehicle, plays fine buffering guard action.

Preferably, the middle parts of two adjacent buffer modules 1 are hinged through a hinge mechanism 7. The utility model provides a 1 middle parts of buffering module are articulated, and when 1 left side of buffering module again when the striking direction, the buffering module of the relative front side of buffering module of rear side is toward the left side rotation to the position adjustment of adaptation striking transmits whole buffer with the impact, avoids only buffer on the left side to play the buffering effect, and the principle is the same on the right when the striking direction.

Preferably, the hinge mechanism 7 comprises a hinge hook 71 arranged in the middle of the front side of the buffer module 1, and a hinge protrusion 72 arranged in the middle of the rear side of the buffer module 1 and protruding upwards, and the hinge hook 71 on the buffer module 1 on the rear side is hinged on the hinge protrusion 72 on the buffer module 1 on the front side. The rear side of the buffering module 1 is provided with the hinge protrusion 72, and the front side of the buffering module 1 is provided with the hinge hook 71, so that the buffering module 1 at the rear side is hinged with the buffering module 1 at the front side, and can rotate towards the left side and the right side to adapt to the impact angle.

Another embodiment of this application, hinge mechanisms 7 is including locating the articulated couple 71 at buffering module 1 rear side middle part, and locate the bellied articulated arch 72 that makes progress in buffering module 1 front side middle part is located the front side on the buffering module 1 articulated couple 71 articulates and is located the rear side on the buffering module 1 on the articulated arch 72. Through the design, the rear buffer module 1 is hinged with the front buffer module 1, and the front buffer module can rotate towards the left side and the right side to adapt to the impact angle.

Preferably, the front end face and/or the rear end face of the cushion module 1 is provided with an arc-shaped portion 15. The arbitrary arc portion that is equipped with of terminal surface and rear end face before preferred buffering module 1 can make between the buffering module 1 of rear side and the front side buffering module 1 articulated through this arc portion to both sides are rotated about can to the adaptation striking angle.

Preferably, the arc of the arc-shaped part 15 is 100-120 °. Within this range, the final cushion module 1 is prevented from rotating to be perpendicular to the vehicle body.

Preferably, two adjacent left and right side walls of the buffer module 1 are provided with rotating mechanisms 6, and the rotating mechanisms 6 are used for elastically limiting the position of the buffer module 1 on the rear side and the position of the buffer module 1 on the front side relatively to the buffer module 1. Can keep the buffering module 1 of rear side at the front side buffering module 1 directly behind through setting up slewing mechanism 6, produce the skew earlier when avoiding not striking, slewing mechanism 6 is elastic construction simultaneously, when rear vehicle striking, offset when can adapting to the striking plays the effect of elastic buffering.

Preferably, an upper hinge seat 12 and a lower hinge seat 13 are arranged on the side wall of the buffer module 1; slewing mechanism 6 includes the front end with be located the front side last articulated seat 12 on the buffering module 1 is articulated, the rear end with be located the rear side on the buffering module 1 articulated seat 13 articulated connecting rod 61 down, just connecting rod 61 is extending structure. The front cushion module 1 and the rear cushion module 1 are connected by a connecting rod 61.

Preferably, the number of the buffer modules 1 is 3-5; this application sets buffer to a plurality ofly, by the back of hitting only need with the buffer module local change that damages can, need not to improve maintenance efficiency and reduce the cost with buffer unit overall change.

The buffer module 1 at the rear side can rotate relative to the buffer module 1 at the front side by an angle of 5-15 degrees towards the left side or the right side. By this design, the offset can be angled to accommodate the angle of impact.

Adjacent two be equipped with slewing mechanism 6 between the buffering module 1, slewing mechanism 6 is used for will being located the rear side buffering module 1 upset to being located the front side buffering module 1 upside.

In the existing design, after the operation is finished, the anti-collision device is overturned to a position vertical to a vehicle body, so that the anti-collision vehicle is subjected to large wind resistance when running or parking, is easy to turn on one's side, causes the damage of the vehicle, and cannot pass through when meeting the limit of height. This application is through setting to a plurality ofly by preceding buffering module 1 that sets gradually after to, and adjacent two be equipped with slewing mechanism 6 between the buffering module 1, slewing mechanism 6 is used for being located the rear side buffering module 1 upset to being located the front side buffering module 1 upside, when need not using, will be located the rear side through slewing mechanism 6 buffering module 1 upset to being located the front side buffering module 1 upside can convert a plurality of buffering modules 1 that the horizontal direction set gradually into perpendicular mode, recycles the last hydro-cylinder drive device drive buffer stop of buffering car and rotates 90, can pack buffering module 1 into back car hopper in proper order, reducible windage and stop the limit for height condition.

Preferably, the rotating mechanism 6 is arranged on the left side and the right side of the buffer module 1, one end of the rotating mechanism is hinged to the buffer module 1 located on the front side, and the other end of the rotating mechanism is hinged to the buffer module 1 located on the rear side. Through all being provided with slewing mechanism 6 in buffering module 1 both sides, can changeing the upside that is located front side buffering module 1 to the buffering module 1 that is located the rear side, the rethread buffer car on 5 with buffering module change over into the car hopper.

Preferably, the upper end of the rotating mechanism 6 is hinged to the front side of the cushion module 1, and the lower end of the rotating mechanism is hinged to the rear side of the cushion module 1. Because the counterbalance setting between the buffering module 1 sets up slewing mechanism along the back down to the direction of going up, can overturn the buffering module 1 that is located the rear side to the buffering module upside that is located the front side, otherwise then can not.

Preferably, a plurality of rotating mechanisms 6 arranged in parallel are arranged on the side walls of two adjacent buffer modules 1. All be provided with two slewing mechanism between every equal two buffering module 1 in this application embodiment of one side, can prevent through this design that the buffering module 1 that is located the rear side from rotating toward front side or rear side along articulated department.

Preferably, an upper hinge seat 12 is arranged on the side wall of the buffer module 1, and a lower hinge seat 13 is arranged on the lower side of the upper hinge seat 12; the rotating mechanism 6 comprises a connecting rod 61, the front end of which is hinged to the upper hinged seat 12 on the front side of the buffer module 1, and the rear end of which is hinged to the lower hinged seat 13 on the rear side of the buffer module 1. Through connecting rod 61 respectively with the buffering module 1 of adjacent both sides articulated, can realize overturning rear side buffering module to front side buffering module upside.

Preferably, the side wall of the cushion module 1 is provided with a rotation stopping portion 14, and the rotation stopping portion 14 is used for preventing the cushion module 1 located at the rear side from being turned over to the front side of the cushion module 1 located at the front side through the rotating mechanism 6. The purpose of setting up the rotation-stopping portion is when the rear side buffering module changes the front side buffering module, can avoid the buffering module of rear side to continue to rotate forward to the buffering module front end of front side, influences the effect of folding up.

Preferably, the connecting rod 61 is a telescopic structure. Through setting connecting rod 61 to flexible mode, can descend to front side buffering module upper end when the rear side buffering module rotates front side buffering module upside, do benefit to and accomodate.

Preferably, the middle part of the front side of the buffering module 1 is provided with a hinged hook 71, the middle part of the rear side is provided with a hinged protrusion 72 protruding upwards, and the hinged hook 71 on the buffering module 1 positioned at the rear side can be hung on the hinged protrusion 72 on the buffering module 1 positioned at the front side. Through the design, the buffer module 1 at the rear side and the buffer module 1 at the front side can be kept on the same horizontal plane, the hinged hook 71 of the buffer module at the rear side is hung on the hinged protrusion 72 of the buffer module at the front side, so that the buffer module and the front side are kept on the same horizontal plane, and the turnover mechanism is not influenced to rotate the buffer module 1 and the front side due to the hanging.

Preferably, the number of the buffer modules 1 is 3-5. This application sets buffer to a plurality ofly, by the back of hitting only need with the buffer module local change that damages can, need not to improve maintenance efficiency and reduce the cost with buffer unit overall change.

Preferably, still including locating mounting panel 3 with anticollision module 4 between the buffering module 1, anticollision module 4 includes anticollision casing 40, be close to in the anticollision casing 403 side is equipped with preceding anticollision group 41, be close to in the anticollision casing 40 the buffering module 1 side is equipped with back anticollision group 42, preceding anticollision group 41 with back anticollision group 42 sets up relatively, works as buffering module 1 is past when mounting panel 3 is close to, back anticollision group 42 drives buffering module 1 is towards keeping away from the direction of mounting panel 3 is removed, back anticollision group 42 drives mounting panel 3 is towards keeping away from the direction of buffering module 1 is removed.

In the existing design, after the buffer device is impacted by a vehicle at the rear, the buffer device easily affects the oil cylinder driving device forwards, so that the oil cylinder driving device is damaged and scrapped, and the cost is increased. The anti-collision module 4 is arranged between the buffer module 1 and the mounting plate 3, the anti-collision module 4 comprises a front anti-collision group 41 arranged on the side of the mounting plate 3 and a rear anti-collision group 42 arranged on the side of the buffer module 1, when the buffer module 1 is impacted, the buffer module 1 drives the rear anti-collision group 42 to be close to the mounting plate 3 and the front anti-collision group 41, at the moment, through the repulsion action between the rear anti-collision group 42 and the front anti-collision group 41, the rear anti-collision group 42 drives the buffer module 1 to move towards the direction far away from the mounting plate 3, the rear anti-collision group 42 drives the mounting plate 3 to move towards the direction far away from the buffer module 1, through the design, the buffer module 1 is prevented from colliding with the mounting plate 3, so that the oil cylinder driving device is protected, the anti-collision module 4 can play a role in protecting the oil cylinder driving device when a rear vehicle is impacted, the replacement cost is reduced.

Preferably, a front magnetic member 411 is disposed on the front anti-collision group 41, a rear magnetic member 421 is disposed on the rear anti-collision group 42, and opposite ends of the front magnetic member 411 and the rear magnetic member 421 have the same magnetic poles and repel each other. This application utilizes magnetic material like poles to repel the principle, be provided with back magnetic part 421 and preceding magnetic part 411 respectively at buffering module 1 and mounting panel 3, want the opposite S utmost point or the N utmost point that sets to the same, when buffering module 1 receives high-speed striking, buffering module 1 orders about back magnetic part 421 and is close to preceding magnetic part 411, through the principle that like poles repel each other, back magnetic part 421 provide repulsion force, prevent that buffering module 1 from hitting oil cylinder drive arrangement, and then protect oil cylinder drive arrangement.

Preferably, the front anti-collision group 41 further includes a front base 412 disposed on the side of the anti-collision housing 40 close to the mounting plate 3, the front base 412 is provided with a front caulking groove which is recessed inwards, and the front magnetic member 411 is embedded in the front caulking groove; through setting up preceding base 412 for fixed preceding magnetic part 411, preferably preceding magnetic part 411 inlays to be established behind preceding base 412, and the surface is through polyurethane resin seal package, plays the protection effect.

The rear anti-collision group 42 further comprises a rear base 422 arranged on the side, close to the buffer module 1, of the anti-collision shell 40, an inward-concave rear caulking groove is formed in the rear base 422, and the rear magnetic piece 421 is embedded in the rear caulking groove; through setting up back base 422 for fixed back magnetic part 421, preferably back magnetic part 421 inlays establishes behind back base 422, and the surface is through polyurethane resin seal package, plays the protection effect.

Preferably, the front base 412 is provided with a plurality of front caulking grooves distributed in a rectangular array, the front magnetic members 411 are provided with a plurality of front caulking grooves and are respectively embedded in the plurality of front caulking grooves, and the magnetic poles of the adjacent 2 front magnetic members 411 are opposite; the magnetic poles of the adjacent magnets are opposite, namely the magnetic poles of the magnets at the opposite angles are the same and are the N poles or the S poles, while the magnetic poles of the magnets at the other opposite angles are the same and are the same as the S poles or the N poles at the same positions.

The rear base 422 is provided with a plurality of rear caulking grooves distributed in a rectangular array, the rear magnetic members 421 are provided with a plurality of rear caulking grooves respectively embedded in the plurality of rear caulking grooves, and the magnetic poles of the adjacent 2 rear magnetic members 421 are opposite; the magnetic poles of the adjacent magnets are opposite, namely the magnetic poles of the magnets at the opposite angles are the same and are the N poles or the S poles, while the magnetic poles of the magnets at the other opposite angles are the same and are the same as the S poles or the N poles at the same positions.

Preferably, the front anti-collision group 41 is provided with a plurality of groups in the vertical direction, including an upper front anti-collision group 415 located on the upper side, a middle front anti-collision group 416 located in the middle, and a lower front anti-collision group 417 located on the lower side, an upper front inclined surface 413 inclined toward the front lower side is provided on the rear side of the front base 412 on the upper front anti-collision group 415, the front magnetic member 411 is obliquely provided on the upper front inclined surface 413, a lower front inclined surface 414 inclined toward the rear lower side is provided on the rear side of the front base 412 on the lower front anti-collision group 417, and the front magnetic member 411 is obliquely provided on the lower front inclined surface 414;

the rear anti-collision group 42 is provided with a plurality of groups in the vertical direction, including an upper rear anti-collision group 425 located on the upper side and opposite to the upper front anti-collision group 415, a middle rear anti-collision group 426 located in the middle and opposite to the middle front anti-collision group 416, and a lower rear anti-collision group 427 located on the lower side and opposite to the lower front anti-collision group 417, wherein an upper rear inclined surface 423 inclined toward the front lower side is provided on the front side of the rear base 422 on the upper rear anti-collision group 425, the rear magnetic member 421 is obliquely provided on the upper rear inclined surface 423, a lower rear inclined surface 424 inclined toward the rear lower side is provided on the front side of the rear base 422 on the lower rear anti-collision group 427, and the rear magnetic member 421 is obliquely provided on the lower rear inclined surface 424.

The upper front anti-collision group 415 and the upper rear anti-collision group 425 are arranged to be inclined towards the front lower side, so that when the front anti-collision group is impacted, repulsive force in the direction towards the front lower side can be provided, the phenomenon that the front anti-collision group is dislocated to be repelled towards the upper side due to the repulsive force is avoided, the lower front anti-collision group 417 and the lower rear anti-collision group 427 are arranged to be inclined towards the front lower side, when the front anti-collision group is impacted, repulsive force in the direction towards the front lower side can be provided, the phenomenon that the front anti-collision group is dislocated to be repelle.

Preferably, the front anti-collision group 41 and the rear anti-collision group 42 are provided with a plurality of groups and are distributed at equal intervals. This application upside set up 2 group before anti-collision group 41 with back anti-collision group 42, the centre set up 3 group before anti-collision group 41 with back anti-collision group 42, the downside set up 2 group before anti-collision group 41 with back anti-collision group 42, through the design that the interval set up, can provide stable repulsion force.

Preferably, the anti-collision housing 40 includes a front housing 401 connected to the mounting plate 3, a rear housing 402 connected to the cushion module 1, and an intermediate housing 403 connected between the front housing 401 and the rear housing 402, wherein the intermediate housing 403 is made of a flexible material. By securing the front cushion group 41 and the rear cushion group 42 inside the front shell 401 and the rear shell 402, respectively, while connecting the front shell 401 and the rear shell 402 using the middle shell 403, a cushion space can be provided in the event of a collision by designing the middle shell 403 to be a flexible material, which may be tarpaulin or other elastic material.

Preferably, the anti-collision module 4 further includes a guiding group 43 disposed around the anti-collision housing 40 and used for guiding along the front-back direction, the guiding group 43 includes a front sleeve 431 disposed on the front housing 401, a rear sleeve 432 disposed on the rear housing 402, and a guiding rod 433 disposed in the front sleeve 431 and the rear sleeve 432 and sleeved at both ends thereof, a front reset piece 434 is disposed between the front end of the front housing 401 and the front end of the guiding rod 433, and a rear reset piece 435 is disposed between the rear housing 402 and the rear end of the guiding rod 433. Through setting up direction group 43 and playing horizontal guide effect, avoid procapsid 401 with back casing 402 dislocation, influence buffering effect.

Preferably, the crash shell 40 is also filled with a liquid. The anti-collision shell 40 is a closed container, and has a water resistance effect by filling liquid therein, thereby further improving the buffering effect and protecting the driving device 5.

The buffer module 1 is filled with a plurality of buffer units 10 which are hollow in the middle and used for absorbing energy generated during vehicle collision, and the inner diameter of the buffer unit 10 filled in the buffer module 1 positioned at the front side is smaller than the inner diameter of the buffer unit 10 filled in the buffer module 1 positioned at the rear side.

The application sets the buffer device into a plurality of buffer modules 1 which are sequentially connected from front to back, a plurality of buffer units 10 with hollow middle parts are filled in each buffer module 1, meanwhile, the buffer units 10 of the buffer modules 1 which are arranged from front to back are set, the inner diameter size of the buffer unit 10 in the front buffer module 1 is smaller than the inner diameter size of the buffer unit 10 in the back buffer module 1, the porous buffer units 10 with gradient increasing change are utilized, during high-speed impact, not only a bionic shaddock peel skin multi-layer composite buffer structure is established, but also a hollow multi-layer hierarchical structure is utilized, the transmission of stress waves is effectively improved, the energy absorption capacity is increased, the impact resistance and the buffer energy absorption effect of the buffer device are improved, the safety of rear impact vehicles and anti-collision vehicles is ensured, meanwhile, the buffer device is set into a plurality of buffer devices, only the damaged buffer module 1 needs to be locally replaced after being impacted, the buffer device is not required to be integrally replaced, the maintenance efficiency is improved, and the cost is reduced.

Preferably, the cross section of the buffer unit 10 is a concave hexagon, and the plurality of buffer units 10 in the same buffer module 1 are distributed in a staggered arrangement. The impact energy is absorbed together by the sequentially arranged buffer units 10, so that the impact peak force is reduced. On one hand, the negative Poisson ratio structure can restrain the transverse expansion deformation of an internal buffer material, improve the stress transmission capacity of an impact load along the circumferential direction of the clamp, better realize stress diffusion, effectively prevent the bubble buffer unit from splashing under the action of the impact load or being not completely compacted due to structural brittle failure, and improve the energy absorption capacity of the buffer unit; on the other hand, the buffer unit can provide lateral support for the negative Poisson ratio mechanism, so that the vertical rigidity of the negative Poisson ratio framework is improved, and the bearing capacity of the whole sacrificial structure is improved.

Preferably, the cross sections of the plurality of buffer units 10 in the same buffer module 1 are the same and are arranged in an array. The obtained buffer units are arranged in an array mode according to a specific form, so that the obtained buffer units are isotropic, and a good buffering and energy-absorbing effect is achieved when a vehicle is impacted.

Preferably, the buffer unit 10 includes a front connecting portion 101 and a rear connecting portion 102 located at the front and rear sides, an upper concave portion 103 connecting the upper ends of the front connecting portion 101 and the rear connecting portion 102 respectively and having a v shape, and a lower concave portion 104 connecting the lower ends of the front connecting portion 101 and the rear connecting portion 102 respectively and having an inverted v shape. The stability of the structure can be effectively improved, the structure has a more stable platform stress stage in the process of buffering and energy absorption, and the advantage is particularly obvious under high-speed impact.

Preferably, the front connection part 101 and the rear connection part 102 have the same height, and the upper recess part 103 and the lower recess part 104 have the same width. The buffer structure is beneficial to staggered arrangement, forms interconnection, prevents materials from splashing during collision, extends and deforms along the vertical direction, and provides transverse buffer capacity.

Preferably, the height of the front connection part 101 and the rear connection part 102 is greater than the width of the upper recess 103 and the lower recess 104. The buffer effect can be further improved, and the energy can be well absorbed.

Preferably, the inner diameter sizes of the buffer units 10 inside the buffer module 1 sequentially connected from front to back are sequentially increased in a step-by-step manner. The porous buffer unit 10 with gradient gradually changed is utilized, when the vehicle is impacted at a high speed, a multi-layer composite buffer structure of the surface of the bionic shaddock peel is established, meanwhile, a hollow multi-layer hierarchical structure is utilized, the transmission of stress waves is effectively improved, the energy absorption capacity is increased, the impact resistance and buffering energy absorption effects of the buffer device are improved, and the safety of rear impact vehicles and anti-collision buffer vehicles is guaranteed.

Preferably, the cushion module 1 includes a module housing 11; the buffer unit 10 is long and is disposed in the module housing 11 along the left-right direction and/or the up-down direction. When the buffer unit is used, the buffer units 10 are sequentially stacked in the module shell 11 in a staggered manner, the buffer units 10 can be horizontally placed along the left-right direction, also can be vertically placed along the up-down direction, and certainly also can be sequentially placed at intervals of the horizontal buffer units and the vertical buffer units, so that the formed buffer effect is better.

Preferably, the material of the buffer unit 10 is one or a combination of more of magnesium alloy, aluminum alloy, polypropylene-ethylene foam, polyethylene foam, polyurethane foam, and polypropylene foam. Has the advantages of light weight and changeability, and can play a good role in buffering.

Anticollision buffer car, including automobile body 2, 2 rear ends of automobile body are equipped with foretell combination formula buffer stop that can overturn, anticollision buffer car is still including locating on the automobile body 2 and can reciprocate to order about the combination formula buffer stop that can overturn is relative 2 pivoted drive arrangement 5 of automobile body, drive arrangement 5 can drive combination formula buffer stop that can overturn and rotate to horizontal condition or vertical state.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. Self-adaptation anticollision buffer, its characterized in that: including a plurality ofly by preceding articulated buffering module (1) in proper order after, and adjacent two among the buffering module (1), be located the rear buffering module (1) can be located the front side relatively buffering module (1) is toward left side or right side rotation.

2. The adaptive crash cushion as set forth in claim 1, wherein: the middle parts of two adjacent buffer modules (1) are hinged through a hinge mechanism (7).

3. The adaptive crash cushion as set forth in claim 2 wherein: articulated mechanism (7) are including locating buffering module (1) front side middle part articulated couple (71), and locate buffering module (1) rear side middle part is bellied articulated protruding (72) upwards, is located the rear side on buffering module (1) articulated couple (71) articulate on being located the front side on buffering module (1) articulated protruding (72).

4. The adaptive crash cushion as set forth in claim 2 wherein: articulated mechanism (7) are including locating buffering module (1) rear side middle part articulated couple (71), and locate buffering module (1) front side middle part is bellied articulated protruding (72) upwards, is located the front side buffering module (1) on articulated couple (71) articulate and are located the rear side buffering module (1) on articulated protruding (72).

5. The adaptive crash cushion as set forth in claim 2 wherein: the front end face and/or the rear end face of the buffer module (1) are/is provided with an arc-shaped part (15).

6. The adaptive crash cushion as recited in claim 5, wherein: the radian of the arc-shaped part (15) is 100-120 degrees.

7. The adaptive crash cushion as set forth in claim 2 wherein: two adjacent be provided with slewing mechanism (6) on the left and right sides wall of buffering module (1), slewing mechanism (6) are used for the elasticity spacing to be located the rear side buffering module (1) is located the front side relatively buffering module (1) rotates.

8. The adaptive crash cushion as recited in claim 7, wherein: an upper hinge seat (12) and a lower hinge seat (13) are arranged on the side wall of the buffer module (1);

slewing mechanism (6) include the front end with be located the front side last articulated seat (12) on buffering module (1) are articulated, the rear end with be located the rear side on buffering module (1) articulated seat (13) articulated connecting rod (61) down, just connecting rod (61) are extending structure.

9. The adaptive crash cushion as set forth in claim 1, wherein: the number of the buffer modules (1) is 3-5;

the buffer module (1) positioned at the rear side can rotate towards the left side or the right side by an angle of 5-15 degrees relative to the buffer module (1) positioned at the front side.

10. Anticollision buffer car, including automobile body (2), its characterized in that: the rear end of the vehicle body (2) is provided with an adaptive crash cushion according to any one of claims 1-9.

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