CN115675246A - Combined impact-resistant anti-collision buffer device and anti-collision buffer vehicle - Google Patents
Combined impact-resistant anti-collision buffer device and anti-collision buffer vehicle Download PDFInfo
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- CN115675246A CN115675246A CN202211318280.1A CN202211318280A CN115675246A CN 115675246 A CN115675246 A CN 115675246A CN 202211318280 A CN202211318280 A CN 202211318280A CN 115675246 A CN115675246 A CN 115675246A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/145—Means for vehicle stopping using impact energy absorbers
- E01F15/146—Means for vehicle stopping using impact energy absorbers fixed arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R2019/026—Buffers, i.e. bumpers of limited extent
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- Transportation (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The utility model provides a modular anticollision buffer device and crashproof buffering car shocks resistance, through setting to a plurality ofly by the preceding buffer module that sets gradually after to, the internal diameter size that is located buffer unit in the front side buffer module is less than the internal diameter size that is located buffer unit in the rear side buffer module, utilize gradient incremental change's porous buffer unit, utilize hollow multilayer hierarchical structure, effectively improve the transmission of stress wave, energy absorption capacity has been increased, buffer device's impact resistance and buffering energy-absorbing effect have been improved, and set up the anticollision module between buffer module and mounting panel, the anticollision module provides the repulsion force and avoids the buffer module to collide to the mounting panel, thereby protect cylinder drive, this application plays the guard action to cylinder drive when can playing rear vehicle striking through setting up the anticollision module, avoid cylinder drive to damage and scrap because of the striking, reduce the replacement cost.
Description
The application is a divisional application, the application number of the original application is 2021114006874, the application date is 2021, 11 and 24 days, and the patent names of the invention are as follows: durable type buffer stop and anticollision buffer car shocks resistance.
Technical Field
The application relates to the technical field of anti-collision buffer vehicle equipment, in particular to a combined 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 rear vehicle collides with the buffer vehicle, the collision prevention device provides buffer for the moving vehicle body, so that the injury to constructors is reduced, and after the operation is finished, the collision prevention device overturns to a position vertical to the vehicle body.
However, the existing anti-collision device has limited anti-collision capacity, general buffering stability and energy absorption effect, and the buffer device is integrally arranged and needs to be integrally replaced after being collided. And after the impact, the impact easily affects the oil cylinder driving device forwards, so that the oil cylinder driving device is damaged and scrapped, and the cost is increased.
Therefore, further improvements to existing impact protection devices are desirable.
Disclosure of Invention
In order to solve the technical problem, the application provides a combined impact-resistant anti-collision buffer device.
Another object of the present application is to provide a crash-cushion vehicle.
The combined impact-resistant anti-collision buffer device comprises a mounting plate which is used for being connected to the rear end of a vehicle, wherein a plurality of buffer modules which are used for absorbing energy generated during vehicle collision are sequentially arranged on the rear side of the mounting plate from front to back, the impact-resistant durable anti-collision device also comprises an anti-collision module which is arranged between the mounting plate and the buffer modules, the anti-collision module comprises an anti-collision shell, a front anti-collision group is arranged in the anti-collision shell and close to the side of the mounting plate, a rear anti-collision group is arranged in the anti-collision shell and close to the side of the buffer modules, the front anti-collision group and the rear anti-collision group are oppositely arranged, when the buffer modules approach the mounting plate, the rear anti-collision group drives the buffer modules to move in the direction far away from the mounting plate, and the front anti-collision group drives the mounting plate to move in the direction far away from the buffer modules;
the buffer module is filled with a plurality of buffer units with hollow middle parts and used for absorbing energy generated in vehicle collision, and the inner diameter of the buffer units filled in the buffer module positioned at the front side is smaller than that of the buffer units filled in the buffer module positioned at the rear side.
According to the combined impact-resistant anti-collision buffer device, the front anti-collision group is provided with the front magnetic part, the rear anti-collision group is provided with the rear magnetic part, and the opposite ends of the front magnetic part and the rear magnetic part have the same magnetic poles and repel each other.
According to the combined impact-resistant anti-collision buffer device, the front anti-collision group further comprises a front base arranged on the side, close to the mounting plate, of the anti-collision shell, an inward-concave front caulking groove is formed in the front base, and the front magnetic part is embedded in the front caulking groove;
the rear anti-collision group is characterized in that the anti-collision shell is arranged close to the rear base on the side of the buffering module, an inward concave rear caulking groove is formed in the rear base, and the rear magnetic part is embedded in the rear caulking groove.
The combined impact-resistant anti-collision buffer device comprises a front anti-collision group, a front magnetic part and a rear magnetic part, wherein the front anti-collision group is provided with a plurality of groups along the vertical direction, and comprises an upper front anti-collision group positioned on the upper side, a middle front anti-collision group positioned in the middle and a lower front anti-collision group positioned on the lower side;
the back anticollision is organized and is provided with the multiunit along the vertical direction altogether, including be located the upside and with last back anticollision group that last preceding anticollision group set up relatively, be located in the middle of and with well back anticollision group that well preceding anticollision group set up relatively and be located the downside and with lower back anticollision group that preceding anticollision group set up relatively, upward back anticollision is organized the back base front side is equipped with preceding back inclined plane towards the downside slope, back magnetic part is the slope setting and is in go up on the back inclined plane, down back anticollision is organized the back base front side is equipped with the lower back inclined plane towards back downside slope, back magnetic part is the slope setting and is in down on the back inclined plane.
According to the combined impact-resistant anti-collision buffer device, the cross section of each buffer unit is an inwards concave hexagon, and the plurality of buffer units in the same buffer module are distributed in a staggered arrangement.
The combined impact-resistant and anti-collision buffer device comprises a buffer unit, a buffer unit and a control unit, wherein the buffer unit comprises a front connecting part and a rear connecting part which are positioned at the front side and the rear side, a V-shaped upper concave part which is respectively connected with the upper ends of the front connecting part and the rear connecting part, and a V-shaped lower concave part which is respectively connected with the lower ends of the front connecting part and the rear connecting part.
According to the combined impact-resistant anti-collision buffer device, the inner diameter sizes of the buffer units inside the buffer module are sequentially and progressively increased in a step-by-step manner from front to back.
According to the combined impact-resistant anti-collision buffer device, the middle parts of two adjacent buffer modules are hinged through the hinge mechanisms, the front end face and/or the rear end face of each buffer module are/is provided with the arc-shaped parts, and the buffer module positioned on the rear side can rotate towards the left side or the right side relative to the buffer module positioned on the front side.
The combined impact-resistant anti-collision buffer device is characterized in that a rotating mechanism is arranged between every two adjacent buffer modules, the rotating mechanism is arranged on the left side and the right side of each buffer module, one end of each rotating mechanism is hinged to the corresponding buffer module positioned on the front side, the other end of each rotating mechanism is hinged to the corresponding buffer module positioned on the rear side, and the rotating mechanism is used for overturning the corresponding buffer module positioned on the rear side to the upper side of the corresponding buffer module positioned on the front side.
Anticollision buffer car, including the automobile body, the automobile body rear end is equipped with foretell combination formula anticollision buffer that shocks resistance, anticollision buffer car is still including locating the automobile body with just can reciprocate between the mounting panel and order about combination formula anticollision buffer that shocks resistance is relative automobile body pivoted drive arrangement, drive arrangement can drive combination formula anticollision buffer that shocks resistance rotates to horizontality or vertical state.
Compared with the prior art, the beneficial effects of this application are as follows:
1. this application is through setting up crashproof module between buffering module and mounting panel, crashproof module is including setting up the preceding crashproof group on mounting panel side and setting up the back crashproof group in buffering module side, when buffering the module and receiving the striking, buffering module drives back crashproof group and is close to mounting panel and preceding crashproof group, at this moment through the repulsion effect between back crashproof group and the preceding crashproof group, back crashproof group drives buffering module and moves towards the direction of keeping away from the mounting panel, back crashproof group drives the mounting panel and moves towards the direction of keeping away from buffering module, avoid buffering the module to collide the mounting panel through this design, thereby protect hydro-cylinder drive arrangement, this application plays the guard action to hydro-cylinder drive arrangement when can play rear vehicle striking through setting up crashproof module, avoid hydro-cylinder drive arrangement to scrap because of striking damage, reduce the replacement cost.
2. The inside all packing of every buffering module of this application has a plurality of middle parts to be hollow buffer unit, simultaneously by the buffer unit setting of the preceding buffer module that sets up backward, the internal diameter size that is located buffer unit in the front side buffer module is less than the internal diameter size that is located buffer unit in the rear side buffer module, utilize gradient incremental change's porous buffer unit, when high-speed striking, not only establish the compound buffer structure of bionical shaddock peel epidermis multilayer, also utilize hollow multilayer hierarchical structure simultaneously, effectively improve the transmission of stress wave, energy absorption capacity has been increased, buffer device's anti-impact and buffering energy-absorbing effect have been improved, guarantee rear striking vehicle and crashproof bumper car's safety, set buffer device to a plurality ofly simultaneously, only need after being hit with the buffer module local change of damage can, need not to change buffer device wholly, maintenance efficiency is improved and the cost is reduced.
3. 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.
4. This application is through setting to a plurality ofly by the preceding buffering module that sets gradually backward, and adjacent two be equipped with slewing mechanism between the buffering module, slewing mechanism is used for will being located the rear side buffering module upset to being located the front side buffering module upside when need not using, will be located the rear side through slewing mechanism buffering module upset to being located the front side buffering module upside can convert a plurality of buffering modules that the horizontal direction set gradually into the vertical mode, recycles the last hydro-cylinder drive buffer stop of buffering car and rotates 90, can pack the buffering module into the back car hopper in proper order, reducible windage and stop the limit for height condition.
5. The utility model provides an anticollision buffer car is provided with the crashproof buffer that makes up formula at the automobile body rear end, prevents that the buffering module from hitting oil cylinder drive, and then protects oil cylinder drive, avoids oil cylinder drive to scrap because of the striking damages, reduces replacement cost.
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 described below.
FIG. 1 is a perspective view of a crash cushion vehicle according to an embodiment of the present disclosure.
FIG. 2 is a perspective view of a modular impact crash cushion in accordance with an embodiment of the present application.
Fig. 3 is a schematic perspective view of the collision avoidance module 4 in the embodiment of the present application.
Fig. 4 is a schematic perspective view of the rear housing 402 hidden by the crash module 4 according to the embodiment of the disclosure.
Fig. 5 is a sectional view taken along the line B-B in fig. 3.
Fig. 6 is a schematic internal view of the crash module 4 according to the embodiment of the present application.
FIG. 7 is a right side view of a modular impact crash cushion in accordance with an embodiment of the subject application.
Fig. 8 isbase:Sub>A sectional view taken in the direction ofbase:Sub>A-base:Sub>A in fig. 2.
Fig. 9 is a perspective view illustrating the driving device 5 of the embodiment for driving the combined impact-resistant crash cushion to be turned to a vertical state.
Fig. 10 is a schematic perspective view illustrating the case where the rotating 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 combined impact-resistant anti-collision cushion device to rotate vertically in the embodiment.
Fig. 11 is a perspective view illustrating that the cushion module 1 located at the rear side rotates to the left side relative to the cushion module 1 located at the front side in the embodiment.
Fig. 12 is a partial enlarged view of the portion i in fig. 2.
Fig. 13 is a partially enlarged view of the portion ii in fig. 8.
Fig. 14 is a schematic structural diagram of a buffer unit 10 according to an embodiment of the present application.
Detailed Description
As shown in fig. 1-14, the combined impact-resistant and anti-collision buffer device comprises a mounting plate 3 and a buffer module 1, wherein the mounting plate 3 is used for connecting to the rear end of a vehicle, the buffer module 1 is used for absorbing energy generated during vehicle collision and is arranged on the rear side of the mounting plate 3, the combined impact-resistant and anti-collision buffer device further comprises a buffer module 4 arranged between the mounting plate 3 and the buffer module 1, the buffer module 4 comprises a collision-proof shell 40, the collision-proof shell 40 is internally close to the mounting plate 3 and is provided with a front collision-proof group 41, the collision-proof shell 40 is internally close to the buffer module 1 and is provided with a rear collision-proof group 42, the front collision-proof group 41 and the rear collision-proof group 42 are arranged relatively, when the buffer module 1 is close to the mounting plate 3, the rear collision-proof group 42 drives the buffer module 1 to move away from the mounting plate 3, and the front collision-proof group 41 drives the mounting plate 3 to move away from the buffer module 1.
This application is through setting up crashproof module 4 between buffering module 1 and mounting panel 3, crashproof module 4 is including setting up the preceding crashproof group 41 in mounting panel 3 side and setting up the back crashproof group 42 in buffering module 1 side, when buffering module 1 receives the striking, buffering module 1 drives back crashproof group 42 and is close to mounting panel 3 and preceding crashproof group 41, the repulsion effect between back crashproof group 42 and the preceding crashproof group 41 this moment, back crashproof group 42 drives buffering module 1 and removes towards the direction of keeping away from mounting panel 3, preceding crashproof group 41 drives mounting panel 3 and removes towards the direction of keeping away from buffering module 1, avoid buffering module 1 to collide against mounting panel 3 through this design, thereby protect hydro-cylinder drive, this application plays the guard action to hydro-cylinder drive when can playing rear vehicle striking through setting up crashproof module 4, avoid hydro-cylinder drive to scrap because of the striking damage, change 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 principle, be provided with back magnetic part 421 and preceding magnetic part 411 respectively at buffering module 1 and mounting panel 3, want to set up to the same S utmost point or N utmost point to the opposite, 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 provides repulsion force, prevent that buffering module 1 from bumping into hydro-cylinder drive device, and then protect hydro-cylinder drive device.
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 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 adjacent magnets are opposite, i.e. the magnetic poles of opposite angle magnets are identical, and are identical to N pole or S pole, and the magnetic poles of another opposite angle magnets are identical, and identical to S pole or N pole, and the designed magnet array mode is arranged and opposite to the magnetic poles of adjacent magnets.
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 and are respectively embedded in the 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 repelled towards the lower side due to the repulsive force is avoided, and the total repulsive force can play a role in stabilizing and repelling.
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 shell 40 comprises a front shell 401 connected to the mounting plate 3, a rear shell 402 connected to the cushion module 1, and an intermediate shell 403 connected between the front shell 401 and the rear shell 402, wherein the intermediate shell 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 filled with 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.
Preferably a plurality of buffering module 1 by preceding articulated in proper order back, 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 is toward left side or right side rotation.
In the prior art, when a rear vehicle collides to the anti-collision device from the center but collides to the left side or the right side of the anti-collision device, only one side of the anti-collision device has an effect, the anti-collision effect is reduced, and a good buffer protection effect cannot be achieved. 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. Arbitrary arc portion that is equipped with of terminal surface and rear end face before preferred buffering module 1 can make and articulate between the buffering module 1 of rear side and the front side buffering module 1 through this arc portion, can rotate to controlling both sides to 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 buffer module 1's the left and right sides wall is provided with slewing mechanism 6, slewing mechanism 6 is used for the elasticity spacing to be located the rear side buffer module 1 relative position in the front side buffer module 1 rotates. 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 springiness cushioning's effect.
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 and is 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. With 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 buffer module 1, and the lower end of the rotating mechanism is hinged to the rear buffer module 1. Due to the fact that the buffering modules 1 are arranged in an abutting mode, the rotating mechanism is arranged in the back-down and front-up directions, the buffering module 1 located on the back side can be turned over to the upper side of the buffering module located on the front side, and otherwise the buffering module 1 cannot be turned over.
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 with the upper hinged seat 12 on the buffer module 1 positioned on the front side, and the rear end of which is hinged with the lower hinged seat 13 on the buffer module 1 positioned on the rear side. 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.
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.
This application is through setting buffer to a plurality ofly by preceding buffer module 1 that connects gradually after to, every buffer module 1 inside all is filled has a plurality of middle parts and is hollow buffer unit 10, simultaneously by the buffer unit 10 of the buffer module 1 that sets up backward to, the internal diameter size that is located buffer unit 10 in front side buffer module 1 is less than the internal diameter size that is located buffer unit 10 in rear side buffer module 1, utilize gradient incremental change's porous buffer unit 10, when high-speed striking, not only establish the compound buffer structure of bionical shaddock peel epidermis multilayer, also utilize hollow multilayer hierarchical structure simultaneously, effectively improve the transmission of stress wave, energy absorption capacity has been increased, buffer's shock resistance and buffering energy-absorbing effect have been improved, guarantee rear striking vehicle and crashproof buffer car's safety, set buffer to a plurality ofly simultaneously, only need after being hit with the buffer module 1 part of damage change can, need not to change buffer wholly, maintenance efficiency has been 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 peak force is reduced by adopting a negative Poisson ratio structure, arranging the buffer units into an inwards concave hexagonal structure in staggered arrangement and distribution and absorbing impact energy together through the buffer units 10 which are sequentially arranged. 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 connected from front to back sequentially increase 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 anticollision buffer that shocks resistance, anticollision buffer car is still including locating on the automobile body 2 and can reciprocate to order about combination formula anticollision buffer that shocks resistance is relative 2 pivoted drive arrangement 5 of automobile body, drive arrangement 5 can drive can make up formula anticollision buffer that shocks resistance and rotate to horizontality 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. Combined impact-resistant anti-collision buffer device, which comprises a mounting plate (3) connected to the rear end of a vehicle, and is characterized in that: the anti-collision durable anti-collision device is characterized in that a plurality of buffer modules (1) used for absorbing energy generated during vehicle collision are sequentially arranged on the rear side of the mounting plate (3) from front to back, the anti-collision durable anti-collision device further comprises anti-collision modules (4) arranged between the mounting plate (3) and the buffer modules (1), each anti-collision module (4) comprises an anti-collision shell (40), a front anti-collision group (41) is arranged in the anti-collision shell (40) and close to the mounting plate (3), a rear anti-collision group (42) is arranged in the anti-collision shell (40) and close to the buffer module (1), the front anti-collision group (41) and the rear anti-collision group (42) are arranged oppositely, when the buffer module (1) is close to the mounting plate (3), the rear anti-collision group (42) drives the buffer module (1) to move towards the direction far away from the mounting plate (3), and the front anti-collision group (41) drives the mounting plate (3) to move towards the direction far away from the buffer module (1);
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 units (10) filled in the buffer module (1) positioned on the front side is smaller than the inner diameter of the buffer units (10) filled in the buffer module (1) positioned on the rear side.
2. The impact resistant crash cushion of claim 1 wherein: the front anti-collision assembly (41) is provided with a front magnetic part (411), the rear anti-collision assembly (42) is provided with a rear magnetic part (421), and opposite ends of the front magnetic part (411) and the rear magnetic part (421) have the same magnetic poles and repel each other.
3. The impact resistant crash cushion of claim 2 wherein: the front anti-collision group (41) further comprises a front base (412) arranged on the side, close to the mounting plate (3), of the anti-collision shell (40), an inward-concave front embedded groove is formed in the front base (412), and the front magnetic part (411) is embedded in the front embedded groove;
the rear anti-collision group (42) is characterized in that the anti-collision shell (40) is close to the rear base (422) on the side of the buffer module (1), an inward concave rear caulking groove is formed in the rear base (422), and the rear magnetic part (421) is embedded in the rear caulking groove.
4. The impact resistant crash cushion of claim 1 wherein: the front anti-collision group (41) is provided with a plurality of groups along the vertical direction, and comprises an upper front anti-collision group (415) positioned on the upper side, a middle front anti-collision group (416) positioned in the middle and a lower front anti-collision group (417) positioned on the lower side, wherein an upper front inclined surface (413) inclined towards the front lower side is arranged on the rear side of the front base (412) on the upper front anti-collision group (415), the front magnetic part (411) is obliquely arranged on the upper front inclined surface (413), a lower front inclined surface (414) inclined towards the rear lower side is arranged on the rear side of the front base (412) on the lower front anti-collision group (417), and the front magnetic part (411) is obliquely arranged on the lower front inclined surface (414);
the rear anti-collision group (42) is provided with multiple groups along the vertical direction, and comprises an upper rear anti-collision group (425) which is positioned on the upper side and is opposite to the upper front anti-collision group (415), a middle rear anti-collision group (426) which is positioned in the middle and is opposite to the middle front anti-collision group (416), and a lower rear anti-collision group (427) which is positioned on the lower side and is opposite to the lower front anti-collision group (417), wherein an upper rear inclined surface (423) inclined towards the front lower side is arranged on the front side of the rear base (422) on the upper rear anti-collision group (425), a lower rear inclined surface (424) inclined towards the rear lower side is arranged 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 arranged on the lower rear inclined surface (424).
5. The impact resistant crash cushion of claim 1 wherein: the cross section of the buffer unit (10) is concave hexagon, and the buffer units (10) in the same buffer module (1) are distributed in a staggered arrangement.
6. The modular impact resistant crash cushion of claim 5 wherein: the buffer unit (10) comprises a front connecting part (101) and a rear connecting part (102) which are positioned at the front side and the rear side, a V-shaped upper concave part (103) which is respectively connected with the upper ends of the front connecting part (101) and the rear connecting part (102), and an inverted V-shaped lower concave part (104) which is respectively connected with the lower ends of the front connecting part (101) and the rear connecting part (102).
7. The impact resistant crash cushion of claim 1 wherein: the inner diameter sizes of the buffer units (10) inside the buffer module (1) which are sequentially connected from front to back are sequentially increased in a step mode.
8. The impact resistant crash cushion of claim 1 wherein: two adjacent the middle part of buffering module (1) is articulated through hinge mechanisms (7), buffering module (1) front side terminal surface and/or rear side terminal surface are equipped with arc portion (15), are located the rear side buffering module (1) can be located the front side relatively buffering module (1) is toward left side or right side rotation.
9. The impact resistant crash cushion of claim 1 wherein: adjacent two be equipped with slewing mechanism (6) between buffering module (1), slewing mechanism (6) are located the buffering module (1) left and right sides, and its one end with be located the front side buffering module (1) is articulated, the other end with be located the rear side buffering module (1) is articulated, slewing mechanism (6) are used for will be located the rear side buffering module (1) upset is to being located the front side buffering module (1) upside.
10. Anticollision buffer car, including automobile body (2), its characterized in that: the rear end of the vehicle body (2) is provided with the combined impact-resistant anti-collision buffer device as claimed in any one of claims 1 to 9, the anti-collision buffer vehicle further comprises a driving device (5) which is arranged between the vehicle body (2) and the mounting plate (3) and can drive the combined impact-resistant anti-collision buffer device to rotate relative to the vehicle body (2) in a reciprocating manner, and the driving device (5) can drive the combined impact-resistant anti-collision buffer device to rotate to a horizontal state or a vertical state.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020113972505 | 2020-12-04 | ||
| CN202011397250.5A CN112498210A (en) | 2020-12-04 | 2020-12-04 | Durable type buffer stop and anticollision buffer car shocks resistance |
| CN202111400687.4A CN113911014B (en) | 2020-12-04 | 2021-11-24 | Durable type buffer stop and anticollision buffer car shocks resistance |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111400687.4A Division CN113911014B (en) | 2020-12-04 | 2021-11-24 | Durable type buffer stop and anticollision buffer car shocks resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115675246A true CN115675246A (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397250.5A Withdrawn CN112498210A (en) | 2020-12-04 | 2020-12-04 | Durable type buffer stop and anticollision buffer car shocks resistance |
| CN202111400687.4A Active CN113911014B (en) | 2020-12-04 | 2021-11-24 | Durable type buffer stop and anticollision buffer car shocks resistance |
| CN202211318280.1A Pending CN115675246A (en) | 2020-12-04 | 2021-11-24 | Combined impact-resistant anti-collision buffer device and anti-collision buffer vehicle |
| CN202211318290.5A Pending CN115675247A (en) | 2020-12-04 | 2021-11-24 | Self-adaptive angle adjusting buffer device and anti-collision buffer vehicle |
| CN202211317555.XA Pending CN115675245A (en) | 2020-12-04 | 2021-11-24 | Combined anti-collision buffer device capable of overturning and anti-collision buffer vehicle |
| CN202211317573.8A Pending CN115649036A (en) | 2020-12-04 | 2021-11-24 | Bionic energy-absorbing type anti-collision buffer device and anti-collision buffer vehicle |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011397250.5A Withdrawn CN112498210A (en) | 2020-12-04 | 2020-12-04 | Durable type buffer stop and anticollision buffer car shocks resistance |
| CN202111400687.4A Active CN113911014B (en) | 2020-12-04 | 2021-11-24 | Durable type buffer stop and anticollision buffer car shocks resistance |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211318290.5A Pending CN115675247A (en) | 2020-12-04 | 2021-11-24 | Self-adaptive angle adjusting buffer device and anti-collision buffer vehicle |
| CN202211317555.XA Pending CN115675245A (en) | 2020-12-04 | 2021-11-24 | Combined anti-collision buffer device capable of overturning and anti-collision buffer vehicle |
| CN202211317573.8A Pending CN115649036A (en) | 2020-12-04 | 2021-11-24 | Bionic energy-absorbing type anti-collision buffer device and anti-collision buffer vehicle |
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| CN (6) | CN112498210A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112319342A (en) * | 2020-12-04 | 2021-02-05 | 中山市易路美道路养护科技有限公司 | Combined anti-collision buffer device and anti-collision buffer vehicle |
| CN114892604B (en) * | 2022-05-19 | 2023-06-30 | 江苏科技大学 | Distributed pier anti-collision device |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05238336A (en) * | 1992-02-29 | 1993-09-17 | Suzuki Motor Corp | Impact relaxing device within bumper |
| KR20020074885A (en) * | 2001-03-22 | 2002-10-04 | 기아자동차주식회사 | A bumper using magnetic force for automobile |
| CN205589158U (en) * | 2016-03-15 | 2016-09-21 | 北京宝景泰克汽车零部件有限公司 | Safe crashproof bumper |
| CN106515632B (en) * | 2016-12-20 | 2018-10-26 | 山东国金汽车制造有限公司 | A kind of passenger car hydraulic pressure collision prevention girders |
| CN207225283U (en) * | 2017-09-13 | 2018-04-13 | 承德石油高等专科学校 | A kind of automobile buffer beam with slowly rebound |
| CN108454548A (en) * | 2018-04-26 | 2018-08-28 | 德州职业技术学院（德州市技师学院） | A kind of automobile mechanical buffer and method |
| CN108749753B (en) * | 2018-06-05 | 2021-03-02 | 李嘉斌 | Magnetic type automobile collision damping device |
| CN208789625U (en) * | 2018-08-03 | 2019-04-26 | 深圳市粤通建设工程有限公司 | Anticollision buffer vehicle |
| CN109017651A (en) * | 2018-08-27 | 2018-12-18 | 深圳市乾行达科技有限公司 | Buffer and anticollision buffer vehicle |
| CN209212851U (en) * | 2018-12-05 | 2019-08-06 | 大连交通大学 | A kind of locomotive magnetic shockproof device |
| CN110053575A (en) * | 2019-05-09 | 2019-07-26 | 蚌埠学院 | A kind of self-locking energy absorbing vehicle bumper holder and its installation method |
| CN110761216A (en) * | 2019-10-23 | 2020-02-07 | 南通威而多专用汽车制造有限公司 | Heavy anti-collision buffer vehicle |
| CN211809577U (en) * | 2019-12-27 | 2020-10-30 | 黄朝一 | Suspension vehicle anti-collision structure |
-
2020
- 2020-12-04 CN CN202011397250.5A patent/CN112498210A/en not_active Withdrawn
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2021
- 2021-11-24 CN CN202111400687.4A patent/CN113911014B/en active Active
- 2021-11-24 CN CN202211318280.1A patent/CN115675246A/en active Pending
- 2021-11-24 CN CN202211318290.5A patent/CN115675247A/en active Pending
- 2021-11-24 CN CN202211317555.XA patent/CN115675245A/en active Pending
- 2021-11-24 CN CN202211317573.8A patent/CN115649036A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN113911014A (en) | 2022-01-11 |
| CN115675245A (en) | 2023-02-03 |
| CN113911014B (en) | 2022-11-18 |
| CN115675247A (en) | 2023-02-03 |
| CN115649036A (en) | 2023-01-31 |
| CN112498210A (en) | 2021-03-16 |
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