CN113479157A - Anti-collision buffer device - Google Patents
Anti-collision buffer device Download PDFInfo
- Publication number
- CN113479157A CN113479157A CN202110796125.XA CN202110796125A CN113479157A CN 113479157 A CN113479157 A CN 113479157A CN 202110796125 A CN202110796125 A CN 202110796125A CN 113479157 A CN113479157 A CN 113479157A
- Authority
- CN
- China
- Prior art keywords
- energy
- energy absorption
- absorbing
- wall
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/22—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly cellular material, e.g. solid foam
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
- B60R2019/1846—Structural beams therefor, e.g. shock-absorbing made of plastic material comprising a cellular structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The application provides a crash cushion device, which comprises a shell, wherein the shell comprises a pair of first shell walls and a pair of second shell walls, the first shell walls and the second shell walls are alternately connected to form a containing space, and the rigidity of the second shell walls is smaller than that of the first shell walls; and the first energy absorption assembly is accommodated in the accommodating space, the energy absorption strength of the first energy absorption assembly is integrally consistent, or the energy absorption strength of the first energy absorption assembly gradually increases or decreases from one end to the other end. The utility model provides an anticollision buffer has adopted the shell of constituteing by first conch wall and second conch wall to wrap up first energy-absorbing component, when making the shell receive the impact, the lower second conch wall of rigidity takes place energy-absorbing deformation at first, then first conch wall takes place energy-absorbing deformation again, thereby make the shell can be controlled to warp in order, and have better guidance quality, make the most concentrated effect of energy that the impact produced on first energy-absorbing component, the poor easy technical problem that takes place the unstability at collision in-process of crashproof blotter guidance quality has been solved.
Description
Technical Field
The application belongs to the technical field of traffic protection devices, and particularly relates to an anti-collision buffer device.
Background
Crash cushions are an emerging traffic protection device and are now being increasingly used. The method is mainly applied to mobile maintenance operation, temporary road construction and traffic accident treatment and rescue sites of roads such as expressways, urban expressways, elevated roads, overpasses and the like. The use of crash cushions is intended, on the one hand, to protect the safety of the persons and the corresponding equipment at the construction or rescue site and, on the other hand, to provide a rear accident vehicle with a sufficient crash cushion in order to reduce the degree of casualties in the accident vehicle.
Currently, there are two types of mainstream crash cushions: one is a structure form of a metal guide frame and an energy absorption bag, wherein the energy absorption bag is composed of a metal skin and an energy absorption material filled in the energy absorption bag, and the structure form has enough rigidity, good guidance quality and high cost; the other structure form of the metal skin with the energy-absorbing material filled inside is low in forming cost, but poor in guidance quality, and easy to generate instability in the collision process to influence the energy-absorbing protective performance.
Disclosure of Invention
The application aims to provide a crash cushion device, which comprises but is not limited to solve the technical problem that the poor guidance of a crash cushion is easy to be instable in the collision process.
In order to achieve the above object, the present application provides a crash cushion device comprising:
a housing including a pair of first housing walls and a pair of second housing walls, the pair of first housing walls being spaced apart from one another and the pair of second housing walls being spaced apart from one another, the first housing walls being connected to the second housing walls in an alternating manner to form a receiving space, the second housing walls having a stiffness less than the stiffness of the first housing walls; and
the first energy absorption assembly is accommodated in the accommodating space, the energy absorption strength of the first energy absorption assembly is integrally consistent, or the energy absorption strength of the first energy absorption assembly gradually increases or decreases from one end to the other end.
The utility model provides an anticollision buffer device has adopted the shell of constituteing by first conchal wall and second conchal wall to wrap first energy-absorbing component, because the rigidity of first conchal wall is greater than the rigidity of second conchal wall, when making the shell receive the impact, the lower second conchal wall of rigidity takes place energy-absorbing deformation at first, then first conchal wall takes place energy-absorbing deformation again, thereby make the shell can be controlled to warp in an orderly manner, and have better guidance quality, make the energy that the impact produced concentrate on the first energy-absorbing component, the poor easy technical problem that takes place the unstability at the collision in-process of crashproof blotter guidance quality has been solved, reduce whole anticollision buffer device effectively and take place the risk of deformation unstability, it also can exert higher energy-absorbing efficiency to have guaranteed anticollision buffer device under the condition of dislocation collision.
In one embodiment, a first stiffener is provided on the first shell wall for increasing the local stiffness of the first shell wall.
So that the stiffness of the first housing wall may gradually increase or decrease from one end of the first housing wall to the other.
In one embodiment, the first shell wall has a cross-sectional cell pattern comprising first corrugated sheets and second corrugated sheets vertically stacked to form at least one cell.
The rigidity of the first shell wall and the impact strength of the shell in the length direction X and the width direction Y are improved.
In one embodiment, the first housing wall comprises n corrugated plates and n-1 first connector tiles, the second housing wall comprises n cover plates and n-1 second connector tiles, n being a natural number greater than or equal to 2, the corrugated plates are alternately connected to the cover plates, the first connector tiles are alternately connected to the second connector tiles, adjacent two of the corrugated plates are connected by the first connector tiles, and adjacent two of the cover plates are connected by the second connector tiles.
The length of the shell is improved and the firmness of assembly is improved.
In one embodiment, the first energy absorbing assembly comprises:
the energy absorption tubes are arranged side by side in a direction perpendicular to the first shell wall, the extending direction of the axes of the energy absorption tubes is consistent with the length direction of the first shell wall, and the energy absorption strength of the energy absorption tubes is gradually increased or decreased from one end to the other end.
So that the whole anti-collision buffer device can stably and orderly absorb energy and deform.
In one embodiment, the energy absorbing tube comprises:
m pipe bodies are sequentially arranged according to the change direction of the energy absorption strength, and m is a natural number greater than or equal to 2;
the first energy absorbing assembly further comprises:
m-1 partition plates connected to the first and second housing walls, wherein adjacent two of the tubes are connected by the partition plates.
So that the first energy absorption component can smoothly and orderly perform energy absorption deformation.
In one embodiment, the wall of the tube body is provided with an induction hole, and/or the wall thickness of the tube body with higher energy-absorbing strength is larger than that of the tube body with lower energy-absorbing strength.
Therefore, the deformation of the energy absorption pipe is controllable, and the ordered deformation of the first energy absorption assembly is ensured.
In one embodiment, the first energy absorbing assembly further comprises:
and the second reinforcing piece is arranged in the tube body and used for increasing the local rigidity of the energy-absorbing tube.
Thereby changing the changing direction of the energy absorption strength of the energy absorption pipe.
In one embodiment, the first energy absorbing assembly comprises:
the m first energy absorption blocks are sequentially arranged along the length direction of the first shell wall, m is a natural number greater than or equal to 2, and the energy absorption strength of the m first energy absorption blocks is gradually increased or decreased; and
m-1 clapboards, wherein the clapboards are connected to the first shell wall and the second shell wall, and two adjacent first energy absorption blocks are connected through the clapboards.
So that the first energy absorption component can smoothly and orderly perform energy absorption deformation.
In one embodiment, the crash cushion further comprises:
a second energy absorber assembly removably attached to the first shell wall and the second shell wall and covering the opening of the containment space; and
the adapter assembly is connected to the first shell wall and the second shell wall and covers the other opening of the accommodating space and is used for being connected with the bearing body.
The maintenance efficiency of the anti-collision buffer device is improved, the maintenance cost of the anti-collision buffer device is reduced, and the anti-collision buffer device is convenient to mount on the bearing main body.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a partial cross-sectional view of a crash cushion provided in accordance with an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of a housing provided in accordance with an embodiment of the present application;
FIG. 3 is a partial cross-sectional view of a housing provided in accordance with another embodiment of the present application;
FIG. 4 is a schematic perspective view of a housing according to yet another embodiment of the present application;
FIG. 5 is a partial cross-sectional view of a first energy absorbing assembly according to one embodiment of the present application;
FIG. 6 is a partial cross-sectional view of a crash cushion provided in accordance with another embodiment of the present application;
FIG. 7 is a partial cross-sectional view of a second energy absorber assembly provided in accordance with an embodiment of the present application;
fig. 8 is a perspective view of an adapter assembly according to yet another embodiment of the present application;
fig. 9 is a schematic view of a crash test of the crash cushion according to an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
1-anti-collision buffer device, X-length direction and Y-width direction;
10-outer shell, 11-first shell wall, 12-second shell wall, 13-first reinforcing element, 100-receiving space, 110-cell unit, 111-corrugated plate, 112-first connector plate, 113-first corrugated plate, 114-second corrugated plate, 121-cover plate, 122-second connector plate;
20-a first energy absorbing component, 21-an energy absorbing pipe, 22-a clapboard, 23-a second reinforcing member, 24-a first energy absorbing block, 210-an energy absorbing hole, 211-a first pipe body, 212-a second pipe body, 241-an energy absorbing block a, 242-an energy absorbing block b, 243-an energy absorbing block c, 244-an energy absorbing block d and 245-an energy absorbing block e;
30-a second energy-absorbing component, 31-a shell, 32-a second energy-absorbing block, 33-a mounting plate, 310-a containing cavity, 311-a top plate, 312-a side plate, 313-a bottom plate;
40-adapter assembly, 41-adapter plate, 42-nut, 411-first connecting part, 412-second connecting part.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application more clearly apparent, the present application is described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that: when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
The terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the patent, and the specific meanings of the above terms will be understood by those skilled in the art according to specific situations.
The term "plurality" means two or more and the term "plurality" means one or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the present embodiment provides a crash cushion 1, including a housing 10 and a first energy absorbing assembly 20, wherein the housing 10 includes a pair of first housing walls 11 and a pair of second housing walls 12, the pair of first housing walls 11 are oppositely spaced, the pair of second housing walls 12 are oppositely spaced, the first housing walls 11 and the second housing walls 12 are alternately connected to form a containing space 100, and the rigidity of the second housing walls 12 is less than that of the first housing walls 11; the first energy absorbing assembly 20 is received in the receiving space 100 and the energy absorbing strength of the first energy absorbing assembly 20 is generally uniform.
Specifically, a pair of first housing walls 11 and a pair of second housing walls 12 are alternately connected to form an accommodating space 100 with an approximately rectangular cross section, the pair of first housing walls 11 are located at left and right sides of the accommodating space 100, the pair of second housing walls 12 are located at upper and lower sides of the accommodating space 100, and the rigidity of the first housing walls 11 is greater than that of the second housing walls 12, so that the side of the first housing wall 11 of the housing 10 where the first housing wall 11 is located can bear a larger impact force than the side of the second housing wall 12, that is, the buffering force at both sides of the housing 10 is greater, and the buffering force at the middle thereof is smaller, and the second housing wall 12 is easily deformed compared with the first housing wall 11 after being impacted, so that the housing 10 is depressed along the central axis after being impacted during a collision (see fig. 9), so that most of energy generated by the impact is concentrated to the first energy absorbing assembly 20, and further, the energy absorbing and buffering effects of the first energy absorbing assembly 20 are maximized, the risk that the whole anti-collision buffer device 1 is deformed and unstable is effectively reduced, and the anti-collision buffer device 1 can also exert higher energy absorption efficiency under the condition of dislocation collision.
According to the crash cushion device 1 provided by the embodiment, the shell 10 composed of the first shell wall 11 and the second shell wall 12 is adopted to wrap the first energy absorption component 20, and as the rigidity of the first shell wall 11 is greater than that of the second shell wall 12, when the shell 10 is impacted, the second shell wall 12 with lower rigidity firstly generates energy absorption deformation, and then the first shell wall 11 generates energy absorption deformation again, so that the shell 10 can deform in a controllable and orderly manner and has better guidance performance, most of energy generated by impact is concentrated and acted on the first energy absorption component 20, the technical problem that the crash cushion has poor guidance performance and is easy to be unstable in the collision process is solved, the risk that the whole crash cushion device 1 generates deformation instability is effectively reduced, and the crash cushion device 1 can also play higher efficiency under the condition of dislocation collision.
Optionally, referring to fig. 2, as an embodiment of the crash cushion provided by the present application, a first reinforcing member 13 is disposed on the first casing wall 11, and the first reinforcing member 13 is used to increase the local rigidity of the first casing wall 11. Specifically, a plurality of first reinforcing members 13 are connected to the inner surface or the outer surface of the first casing wall 11, the plurality of first reinforcing members 13 are arranged in series along the longitudinal direction of the first casing wall 11, and the rigidity of the first casing wall 11 having the first reinforcing members 13 is locally increased, so that the rigidity of the first casing wall 11 can be gradually increased or decreased from one end of the first casing wall 11 to the other end, and at this time, the energy absorption strength of the first energy absorption member 20 is uniform as a whole, or the energy absorption strength of the first energy absorption member 20 is changed in the same direction as the rigidity of the first casing wall 11.
Alternatively, referring to fig. 2, as an embodiment of the crash cushion provided by the present application, the first casing wall 11 includes n corrugated plates 111 and n-1 first engaging plates 112, and the second casing wall 12 includes n cover plates 121 and n-1 second engaging plates 122, where n is a natural number greater than or equal to 2, the corrugated plates 111 are alternately connected to the cover plates 121, the first engaging plates 112 are alternately connected to the second engaging plates 122, two adjacent corrugated plates 111 are connected to each other by the first engaging plates 112, and two adjacent cover plates 121 are connected to each other by the second engaging plates 122. Specifically, the corrugated plate 111, the first connector plate 112, the cover plate 121, and the second connector plate 122 may be made of a metal material; when the anti-collision buffer device 1 needs to obtain a larger buffer distance, the housing 10 needs to satisfy a certain length in the length direction X, the first housing wall 11 with a sufficient length cannot be processed by the single corrugated plate 111, and the second housing wall 12 with a sufficient width cannot be processed by the single cover plate 121, so that the first housing wall 11 needs to be spliced by the plurality of corrugated plates 111 along the length direction, and the second housing wall 12 needs to be spliced by the plurality of cover plates 121 along the width direction. Two adjacent corrugated plates 111 are fastened and connected by a first connecting joint plate 112, the first connecting joint plate 112 is overlapped on the edge of two adjacent corrugated plates 111 respectively and splices two adjacent corrugated plates 111 together; two adjacent cover plates 121 are fastened by a second engaging plate 122, and the second engaging plate 122 overlaps the edges of two adjacent cover plates 121, respectively, and joins the two adjacent cover plates 121 together, thereby facilitating the improvement of the length and the assembling stability of the housing 10.
Alternatively, referring to fig. 3 and 4, as an embodiment of the crash cushion provided by the present application, the cross section of the first casing wall 11 is in a grid shape, and the first casing wall 11 includes a first corrugated plate 113 and a second corrugated plate 114, and the first corrugated plate 113 and the second corrugated plate 114 are vertically stacked and form at least one cell unit 110. Specifically, in the present embodiment, the first shell wall 11 has a double-layer structure, and is formed by laminating and connecting the first corrugation plate 113 located on the outer side and the second corrugation plate 114 located on the inner side, and the vertical direction refers to a direction perpendicular to the first shell wall 11 or a width direction Y of the crash cushion 1; at least one cell unit 110 is formed between the first corrugated plate 113 and the second corrugated plate 114 on the same first shell wall 11, that is, one cell unit 110 (see fig. 4) or two cell units 110 (see fig. 3) may be formed between the first corrugated plate 113 and the second corrugated plate 114 on the same first shell wall 11, or more than two cell units 110 may be formed, thereby being beneficial to improving the rigidity of the first shell wall 11 and the impact strength of the outer shell 10 in the length direction X and the width direction Y. It is understood that the cross-sectional shape of the cell unit 110 may be a regular hexagon, a circle, a rectangle, etc., and is not limited thereto.
Alternatively, referring to fig. 3, as an embodiment of the crash cushion provided by the present application, the first casing wall 11 includes n first corrugated plates 113, n second corrugated plates 114, and n-1 first coupling plates 112, where n is a natural number greater than or equal to 2, the first corrugated plates 113 and the second corrugated plates 114 are vertically stacked and then connected to the cover plate 121, the first coupling plates 112 are alternately connected to the second coupling plates 122, and two adjacent first corrugated plates 113 are connected to each other by the first coupling plates 112. That is, the first wall 11 includes n wall bodies each formed by laminating and connecting a first corrugation plate 113 and a second corrugation plate 114, and two long sides of each wall body are connected to edges of two cover plates 121, respectively, and the adjacent wall bodies are spliced together by a first engagement plate 112, so that the outer shell 10 can be manufactured to a certain length, and a large buffering distance can be obtained from the crash cushion 1.
Optionally, referring to fig. 3, as an embodiment of the crash cushion provided by the present application, a first reinforcing member 13 is disposed in the cell unit 110, and the first reinforcing member 13 is used to increase the local rigidity of the first shell wall 11. Specifically, a plurality of first reinforcing members 13 are disposed in the cell unit 110 along the length direction of the first shell wall 11 and are fastened to the first corrugation plate 113 and the second corrugation plate 114, respectively, so as to effectively increase the local rigidity of the first shell wall 11, so that the rigidity of the first shell wall 11 can be gradually increased or decreased from one end of the first shell wall 11 to the other end, and at this time, the energy absorption strength of the first energy absorption assembly 20 is uniform as a whole, or the energy absorption strength of the first energy absorption assembly 20 is changed in the same direction as the rigidity of the first shell wall 11.
Alternatively, referring to fig. 1 and 5, as an embodiment of the crash cushion provided by the present application, the first energy absorbing assembly 20 includes a plurality of energy absorbing pipes 21, the plurality of energy absorbing pipes 21 are arranged side by side in a direction perpendicular to the first shell wall 11, and an axis of each energy absorbing pipe 21 extends in a direction corresponding to a length direction of the first shell wall 11, and an energy absorbing strength of each energy absorbing pipe 21 is gradually increased or decreased from one end to the other end. Specifically, a direction perpendicular to the first shell wall 11, that is, a width direction Y of the crash cushion 1, a length direction of the first shell wall 11 is identical to a length direction X of the crash cushion 1, the energy absorption tubes 21 are arranged in parallel with the first shell wall 11, and a plurality of energy absorption tubes 21 are arranged side by side at intervals along the width direction Y, a cross-sectional shape of each energy absorption tube 21 may be a regular hexagon, a circle, a rectangle, or the like, and a stiffness (that is, energy absorption strength) of each energy absorption tube 21 is gradually increased or decreased from one end of the energy absorption tube 21 to the other end, so that the entire crash cushion 1 can be subjected to energy absorption deformation smoothly and orderly.
Optionally, referring to fig. 5, as a specific example of the crash cushion provided by the present application, the energy absorbing tube 21 includes m tube bodies, the m tube bodies are sequentially arranged according to a variation direction of the energy absorbing strength, and m is a natural number greater than or equal to 2; meanwhile, the first energy absorbing assembly 20 further includes m-1 partition plates 22, the partition plates 22 are connected to the first housing wall 11 and the second housing wall 12, and two adjacent tubes are connected by the partition plates 22. For the convenience of describing the structure of the energy absorbing pipe 21, the energy absorbing pipe 21 includes four first pipe bodies 211 and three second pipe bodies 212. Specifically, the rigidity of the second pipe body 212 is greater than that of the first pipe body 211; the four first tube bodies 211 are sequentially connected in the axial direction, the first tube body 211 positioned at the tail part is connected with the second tube body 212 positioned at the head part, and the three second tube bodies 212 are sequentially connected in the axial direction to form a complete energy-absorbing tube 21, so that the energy-absorbing strength of the energy-absorbing tube 21 is gradually increased from the side of the first tube body 211 to the side of the second tube body 212, and it can be understood that the first tube body 211 and the second tube body 212 are coaxial, and the axial direction refers to the extending direction of the axis of the energy-absorbing tube 21; the first energy absorbing assembly 20 comprises six partition plates 22, two adjacent first tube bodies 211 are spliced through one partition plate 22, two adjacent second tube bodies 212 are spliced through one partition plate 22, the adjacent first tube bodies 211 and the adjacent second tube bodies 212 are spliced through one partition plate 22, namely, the end parts of the first tube bodies 211 spliced with the other first tube bodies 211 or the second tube bodies 212 are fixedly connected to the partition plates 22, and the end parts of the second tube bodies 212 spliced with the other second tube bodies 212 or the first tube bodies 211 are fixedly connected to the partition plates 22, so that the first energy absorbing assembly 20 is formed, and the first energy absorbing assembly 20 can be stably and orderly subjected to energy absorbing deformation. Of course, in other embodiments of the present application, the energy absorbing tube 21 may include more than two tubes, which are the first tube, the second tube and the third tube … …, respectively, the number of the first tubes may be less than four or more than four, and the number of the second tubes may be less than three or more than three, which is not limited herein.
Optionally, referring to fig. 5, as an embodiment of the crash cushion provided by the present application, an inducing hole 210 is formed on a tube wall of a tube body of the energy absorbing tube 21. Specifically, the induction hole 210 may have a circular shape, an oval shape, an oblong shape, or the like. The inducing holes 210 with different shapes, apertures and numbers are arranged at different positions of the pipe wall of the pipe body, so that the local rigidity of the pipe body can be weakened, and the change direction of the energy absorption strength of the energy absorption pipe 21 can be changed. In this embodiment, the inducing hole 210 is preferably a circular hole with a diameter of 10 mm, and is disposed near the baffle 22, so that the energy absorbing tube 21 can be deformed from a local part near the baffle 22 when being impacted, thereby the deformation of the energy absorbing tube 21 can be controlled, and the orderly deformation of the first energy absorbing assembly 20 is ensured.
Optionally, referring to fig. 5, as an embodiment of the crash cushion provided by the present application, a thickness of the tube wall of the tube body with a larger energy-absorbing strength is larger than a thickness of the tube wall of the tube body with a smaller energy-absorbing strength. That is, under the condition of using the same material, the rigidity of the tube body can be changed by changing the thickness of the tube wall of the tube body, so that the energy-absorbing tube 21 is sequentially assembled by a plurality of tube bodies according to the thickness of the tube wall from small to large, and the energy-absorbing strength of the energy-absorbing tube 21 can be gradually increased from one end to the other end.
Optionally, referring to fig. 5, as a specific embodiment of the anti-collision buffer device provided in the present application, an inducing hole 210 is formed in a tube wall of a tube body of the energy absorbing tube 21, and a tube wall thickness of the tube body with a greater energy absorbing strength is greater than a tube wall thickness of the tube body with a smaller energy absorbing strength. Namely, under the condition of adopting the same material, the rigidity of the pipe body can be changed by changing the thickness of the pipe wall of the pipe body, and the change direction of the energy absorption strength of the whole energy absorption pipe 21 is adjusted by arranging the induction holes 210 with different shapes, apertures and numbers at different positions of the pipe wall of the pipe body with different pipe wall thicknesses, so that the change direction is consistent with the rigidity change direction of the first shell wall 11, and the whole anti-collision buffer device 1 is ensured to stably and orderly perform energy absorption deformation.
Optionally, referring to fig. 5, as an embodiment of the crash cushion provided by the present application, the first energy absorbing assembly 20 further includes a second reinforcing member 23, and the second reinforcing member 23 is disposed inside the tube body of the energy absorbing tube 21 for increasing the local rigidity of the energy absorbing tube 21. That is, the second reinforcement 23 is accommodated in the tube body of the energy-absorbing tube 21 and is fastened to the tube wall of the tube body, and by installing different numbers of the second reinforcements 23 in different positions of the tube body, the local rigidity of the energy-absorbing tube 21 can be increased, thereby changing the changing direction of the energy-absorbing strength of the energy-absorbing tube 21.
Alternatively, referring to fig. 6, as a specific example of the crash cushion provided by the present application, the first energy absorbing assembly 20 includes m first energy absorbing blocks 24 and m-1 spacers 22, wherein the m first energy absorbing blocks 24 are sequentially arranged along the length direction of the first housing wall 11, m is a natural number greater than or equal to 2, and the energy absorbing strength of the m first energy absorbing blocks 24 gradually increases or decreases; the partition plate 22 is connected to the first housing wall 11 and the second housing wall 12, and adjacent two first energy absorption blocks 24 are connected by the partition plate 22. For ease of illustration of the structure of the first energy absorbing assembly 20, the first energy absorbing assembly 20 will be described herein as including seven first energy absorbing blocks 24. Specifically, the seven first energy-absorbing blocks 24 are respectively an energy-absorbing block a241, an energy-absorbing block b242, an energy-absorbing block c243, two energy-absorbing blocks d244 and two energy-absorbing blocks e245, the energy-absorbing block a241, the energy-absorbing block b242, the energy-absorbing block c243, the energy-absorbing block d244 and the energy-absorbing block e245 can be made of energy-absorbing materials such as metal honeycombs, foamed aluminum or rubber, the destructive energy generated by impact is absorbed through self-collapsing deformation, the energy-absorbing strength of the energy-absorbing block a241 is smaller than that of the energy-absorbing block b242, the energy-absorbing strength of the energy-absorbing block b242 is smaller than that of the energy-absorbing block c243, the energy-absorbing strength of the energy-absorbing block c243 is smaller than that of the energy-absorbing block d244, the energy-absorbing strength of the energy-absorbing block d244 is smaller than that of the energy-absorbing block e245, the first energy-absorbing assembly 20 further comprises six separators 22, the energy-absorbing blocks a241 and the energy-absorbing block b242 are fastened on one separator 22, the energy-absorbing block b242 and the energy-absorbing block c 22, the energy absorption block c243 and the energy absorption block d244 are tightly connected to the third partition plate 22, two adjacent energy absorption blocks d244 are tightly connected to the fourth partition plate 22, the energy absorption block d244 and the energy absorption block e245 are tightly connected to the fifth partition plate 22, two adjacent energy absorption blocks e245 are tightly connected to the sixth partition plate 22, namely, one energy absorption block a241, one energy absorption block b242, one energy absorption block c243, two energy absorption blocks d244 and two energy absorption blocks e245 are sequentially and tightly connected through six partition plates 22, so that the first energy absorption assembly 20 is formed, and the first energy absorption assembly 20 can stably and orderly perform energy absorption deformation. Of course, in other embodiments of the present application, the first energy absorbing assembly 20 can include other numbers of first energy absorbing blocks 24, and the number of first energy absorbing blocks 24 of different energy absorption strengths can be one or more, and is not limited solely herein, depending on the particular circumstances and needs.
Optionally, referring to fig. 1 and 7, as an embodiment of the crash cushion provided by the present application, the crash cushion 1 further comprises a second energy absorber assembly 30, the second energy absorber assembly 30 is detachably connected to the first shell wall 11 and the second shell wall 12, and the second energy absorber assembly 30 covers the opening of the receiving space 100 of the outer shell 10. Specifically, the energy absorption strength of the second energy absorber assembly 30 is less than the energy absorption strength of the outer shell 10; when collision happens, the second energy-absorbing component 30 firstly receives the impact, the second energy-absorbing component 30 absorbs the damage energy generated by the impact through the self-collapsing deformation, if the damage energy is not enough to enable the second energy-absorbing component 30 to be completely deformed, namely, the impact force is small, the shell 10 cannot be deformed, and at the moment, after the second energy-absorbing component 30 is replaced, the anti-collision buffer device 1 can be recovered to be normally used again, so that the maintenance efficiency of the anti-collision buffer device 1 is improved, and the maintenance cost of the anti-collision buffer device 1 is reduced.
Alternatively, referring to FIG. 7, as one embodiment of the crash cushion provided herein, the second energy absorber assembly 30 includes a shell 31 and a second energy absorber block 32, wherein a receiving cavity 310 is formed in the shell 31; second energy absorption block 32 is received within receiving cavity 310. Specifically, the shell 31 may include a top plate 311, side plates 312 and a bottom plate 313, the top plate 311, the side plates 312 and the bottom plate 313 enclose the accommodating cavity 310 and enclose the second energy-absorbing block 32, and the second energy-absorbing block 32 may be made of energy-absorbing material such as metal honeycomb, foamed aluminum or rubber, and absorbs the damage energy generated by the impact through the self-collapsing deformation; the second energy absorber assembly 30 can be releasably attached to the outer shell 10 by fastening the second energy absorber assembly 30 to the first and second shell walls 11, 12 via the base plate 313 or mounting plate 33.
Alternatively, referring to fig. 1 and 8, as an embodiment of the crash cushion provided by the present application, the crash cushion 1 further includes an adapter assembly 40, the adapter assembly 40 is connected to the first wall 11 and the second wall 12, and the adapter assembly 40 covers another opening of the receiving space 100 of the housing 10 for connecting with a load-bearing body. Specifically, the adapter assembly 40 may include an adapter plate 41 and a nut 42, wherein a plurality of first through holes are opened on an edge of the adapter plate 41, the plurality of nuts 42 are connected on an inner surface or an outer surface of the adapter plate 41 and are in one-to-one fit with the plurality of first through holes, and threaded holes of the nuts 42 are coaxially communicated with the first through holes; the bearing main body can be a vehicle body or a guard rail and the like, a plurality of second through holes are formed in the bearing main body, and the positions of the second through holes correspond to the positions of the first through holes; the bolt sequentially penetrates through the second through hole and the first through hole and then is screwed into the nut, so that the anti-collision buffer device 1 can be installed on the bearing main body.
In addition, the interposer 41 may include a first connection portion 411 and a second connection portion 412, the first connection portion 411 and the second connection portion 412 are both formed by a flanging process, a height of the first connection portion 411 being raised is smaller than a height of the second connection portion 412, the second connection portion 412 is located at a corner of the interposer 41 and is used for increasing a contact area with the first housing wall 11, so as to enhance a connection firmness of the interposer 41 and the first housing wall 11, and the first connection portion 411 is disposed on an edge of the interposer 41 except the second connection portion 412 and is used for being connected with the first housing wall 11 and the second housing wall 12.
It will be understood that in the present application, "joining" of one component to another means riveting, welding, bonding, etc. of one component to another.
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. A crash cushion, comprising:
a housing including a pair of first housing walls and a pair of second housing walls, the pair of first housing walls being spaced apart from one another and the pair of second housing walls being spaced apart from one another, the first housing walls being connected to the second housing walls in an alternating manner to form a receiving space, the second housing walls having a stiffness less than the stiffness of the first housing walls; and
the first energy absorption assembly is accommodated in the accommodating space, the energy absorption strength of the first energy absorption assembly is integrally consistent, or the energy absorption strength of the first energy absorption assembly gradually increases or decreases from one end to the other end.
2. A crash cushion according to claim 1 wherein a first reinforcement member is provided in said first housing wall for increasing the local stiffness of said first housing wall.
3. A crash cushion according to claim 1 wherein said first shell wall has a cross-sectional cellular shape, said first shell wall comprising first corrugated panels and second corrugated panels vertically stacked and collectively forming at least one cellular unit.
4. A crash cushion according to claim 1 wherein said first housing wall comprises n corrugated plates and n-1 first connector tiles, said second housing wall comprises n cover plates and n-1 second connector tiles, said n being a natural number greater than or equal to 2, said corrugated plates being connected in alternation to said cover plates, said first connector tiles being connected in alternation to said second connector tiles, adjacent two of said corrugated plates being connected by said first connector tiles, adjacent two of said cover plates being connected by said second connector tiles.
5. The crash cushion of any one of claims 1-4, wherein the first energy absorbing assembly comprises:
the energy absorption tubes are arranged side by side in a direction perpendicular to the first shell wall, the extending direction of the axes of the energy absorption tubes is consistent with the length direction of the first shell wall, and the energy absorption strength of the energy absorption tubes is gradually increased or decreased from one end to the other end.
6. The crash cushion of claim 5, wherein said energy absorbing tube comprises:
m pipe bodies are sequentially arranged according to the change direction of the energy absorption strength, and m is a natural number greater than or equal to 2;
the first energy absorbing assembly further comprises:
m-1 partition plates connected to the first and second housing walls, wherein adjacent two of the tubes are connected by the partition plates.
7. An anti-collision buffer device according to claim 6, wherein the tube wall of the tube body is provided with an induction hole, and/or the tube wall thickness of the tube body with higher energy-absorbing strength is larger than that of the tube body with lower energy-absorbing strength.
8. The crash cushion of claim 6, wherein said first energy absorbing assembly further comprises:
and the second reinforcing piece is arranged in the tube body and used for increasing the local rigidity of the energy-absorbing tube.
9. The crash cushion of any one of claims 1-4, wherein the first energy absorbing assembly comprises:
the m first energy absorption blocks are sequentially arranged along the length direction of the first shell wall, m is a natural number greater than or equal to 2, and the energy absorption strength of the m first energy absorption blocks is gradually increased or decreased; and
m-1 clapboards, wherein the clapboards are connected to the first shell wall and the second shell wall, and two adjacent first energy absorption blocks are connected through the clapboards.
10. A crash cushion according to any one of claims 1 to 4 further comprising:
a second energy absorber assembly removably attached to the first shell wall and the second shell wall and covering the opening of the containment space; and
the adapter assembly is connected to the first shell wall and the second shell wall and covers the other opening of the accommodating space and is used for being connected with the bearing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796125.XA CN113479157B (en) | 2021-07-14 | 2021-07-14 | Anti-collision buffer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110796125.XA CN113479157B (en) | 2021-07-14 | 2021-07-14 | Anti-collision buffer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113479157A true CN113479157A (en) | 2021-10-08 |
| CN113479157B CN113479157B (en) | 2023-07-28 |
Family
ID=77939507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110796125.XA Active CN113479157B (en) | 2021-07-14 | 2021-07-14 | Anti-collision buffer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113479157B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040060791A1 (en) * | 2002-06-28 | 2004-04-01 | Hideki Akiyama | Shock absorbing device |
| JP2006341820A (en) * | 2005-06-10 | 2006-12-21 | Mitsubishi Fuso Truck & Bus Corp | Impact absorption member |
| CN201427589Y (en) * | 2009-08-06 | 2010-03-24 | 中国北车集团大同电力机车有限责任公司 | Additive collision energy-absorbing device |
| CN103625502A (en) * | 2013-10-18 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle front-end energy absorbing device |
| EP2743536A1 (en) * | 2012-11-15 | 2014-06-18 | Wagenaar Wegbebakening | Collision energy-absorbing device and an associated road-blocking device |
| CN204340947U (en) * | 2014-11-28 | 2015-05-20 | 宝山钢铁股份有限公司 | A kind of vehicle energy absorption box of continuous variable thickness |
| CN204750063U (en) * | 2015-03-11 | 2015-11-11 | 付孟良 | Car anticollision girder steel |
| CN206475941U (en) * | 2016-07-20 | 2017-09-08 | 北汽福田汽车股份有限公司 | Anti-collision energy absorption structure and the vehicle with it |
| CN107472174A (en) * | 2017-07-31 | 2017-12-15 | 山东汇强重工科技有限公司 | Level Four anticollision buffer gear |
| CN107878375A (en) * | 2017-11-16 | 2018-04-06 | 北京汽车研究总院有限公司 | A kind of collision energy-absorbing device and vehicle |
| CN107922006A (en) * | 2015-11-20 | 2018-04-17 | 马自达汽车株式会社 | The impact absorbing structure of vehicle |
| CN108909764A (en) * | 2018-06-22 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | Anti-climbing energy-absorbing device and rail vehicle with it |
| 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 |
| CN208827756U (en) * | 2018-08-27 | 2019-05-07 | 深圳市乾行达科技有限公司 | Buffer and anticollision buffer vehicle |
| CN209975438U (en) * | 2019-04-09 | 2020-01-21 | 北京华路安交通科技有限公司 | Deformation-limited secondary compression efficient energy-absorbing and guiding crash pad |
| CN210416490U (en) * | 2019-07-17 | 2020-04-28 | 深圳市乾行达科技有限公司 | Multidirectional anti-collision buffer device |
| CN111660977A (en) * | 2020-06-30 | 2020-09-15 | 华侨大学 | Energy absorption box |
| CN112982246A (en) * | 2021-03-16 | 2021-06-18 | 长沙理工大学 | Crash pad energy-absorbing box |
-
2021
- 2021-07-14 CN CN202110796125.XA patent/CN113479157B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040060791A1 (en) * | 2002-06-28 | 2004-04-01 | Hideki Akiyama | Shock absorbing device |
| JP2006341820A (en) * | 2005-06-10 | 2006-12-21 | Mitsubishi Fuso Truck & Bus Corp | Impact absorption member |
| CN201427589Y (en) * | 2009-08-06 | 2010-03-24 | 中国北车集团大同电力机车有限责任公司 | Additive collision energy-absorbing device |
| EP2743536A1 (en) * | 2012-11-15 | 2014-06-18 | Wagenaar Wegbebakening | Collision energy-absorbing device and an associated road-blocking device |
| CN103625502A (en) * | 2013-10-18 | 2014-03-12 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle front-end energy absorbing device |
| CN204340947U (en) * | 2014-11-28 | 2015-05-20 | 宝山钢铁股份有限公司 | A kind of vehicle energy absorption box of continuous variable thickness |
| CN204750063U (en) * | 2015-03-11 | 2015-11-11 | 付孟良 | Car anticollision girder steel |
| CN107922006A (en) * | 2015-11-20 | 2018-04-17 | 马自达汽车株式会社 | The impact absorbing structure of vehicle |
| CN206475941U (en) * | 2016-07-20 | 2017-09-08 | 北汽福田汽车股份有限公司 | Anti-collision energy absorption structure and the vehicle with it |
| CN107472174A (en) * | 2017-07-31 | 2017-12-15 | 山东汇强重工科技有限公司 | Level Four anticollision buffer gear |
| CN107878375A (en) * | 2017-11-16 | 2018-04-06 | 北京汽车研究总院有限公司 | A kind of collision energy-absorbing device and vehicle |
| CN108909764A (en) * | 2018-06-22 | 2018-11-30 | 中车青岛四方机车车辆股份有限公司 | Anti-climbing energy-absorbing device and rail vehicle with it |
| 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 |
| CN208827756U (en) * | 2018-08-27 | 2019-05-07 | 深圳市乾行达科技有限公司 | Buffer and anticollision buffer vehicle |
| CN209975438U (en) * | 2019-04-09 | 2020-01-21 | 北京华路安交通科技有限公司 | Deformation-limited secondary compression efficient energy-absorbing and guiding crash pad |
| CN210416490U (en) * | 2019-07-17 | 2020-04-28 | 深圳市乾行达科技有限公司 | Multidirectional anti-collision buffer device |
| CN111660977A (en) * | 2020-06-30 | 2020-09-15 | 华侨大学 | Energy absorption box |
| CN112982246A (en) * | 2021-03-16 | 2021-06-18 | 长沙理工大学 | Crash pad energy-absorbing box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113479157B (en) | 2023-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9868361B2 (en) | Battery impact absorbing system | |
| US4711481A (en) | Vehicle impact attenuating device | |
| CN201521041U (en) | Strengthening arc-shaped viscoelastic damper for beam-column joint | |
| CN210216818U (en) | Assembled superimposed corrugated steel plate energy dissipation shear wall | |
| WO2012038383A1 (en) | Lightweight compound cab structure for a rail vehicle | |
| CN111022538B (en) | Multifunctional gradient energy absorption box | |
| CN113479157A (en) | Anti-collision buffer device | |
| CN210526464U (en) | Anti-collision buffering energy-absorbing device | |
| CN210416490U (en) | Multidirectional anti-collision buffer device | |
| WO2021008150A1 (en) | Anti-collision buffering and energy-absorbing device | |
| CN216597790U (en) | Power battery pack and box body thereof | |
| EP4101741B1 (en) | Lateral surface member structure of vehicle body | |
| CN110758295A (en) | Building block type collision energy absorption device | |
| CN211648885U (en) | Multifunctional gradient energy absorption box | |
| WO2023283836A1 (en) | Anti-collision buffer device | |
| CN111114578B (en) | Collision energy absorption device and rail train | |
| CN210881986U (en) | Multidirectional anti-collision energy-absorbing device | |
| EP2456654A1 (en) | A vehicle with an improved panel structure | |
| CN210881987U (en) | Composite energy-absorbing anti-collision buffer device | |
| CN215578832U (en) | Bottom plate, battery box and battery package | |
| CN220971419U (en) | High strength top longitudinal beam | |
| CN216100746U (en) | Aluminium honeycomb color steel plate | |
| CN220167130U (en) | Bottom structure of antiknock shelter | |
| CN212404959U (en) | Novel protection island head | |
| CN219115339U (en) | Vehicle backup storage structure and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |