WO2023283836A1

WO2023283836A1 - Anti-collision buffer device

Info

Publication number: WO2023283836A1
Application number: PCT/CN2021/106318
Authority: WO
Inventors: 罗昌杰; 于文泽; 张一帆; 黄科; 周君; 刘国栋; 崔昕龙; 刘红非
Original assignee: 广东乾行达汽车安全科技有限公司
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2023-01-19

Abstract

An anti-collision buffer device (1), comprising a housing (10) and a first energy-absorbing assembly (20). The housing (10) comprises a pair of first housing walls (11) and a pair of second housing walls (12), wherein the first housing walls (11) and the second housing walls (12) are alternately connected to form an accommodating space (100), the rigidity of the second housing walls (12) is less than the rigidity of the first housing walls (11), and the first energy-absorbing assembly (20) is accommodated in the accommodating space (100).

Description

Anti-collision buffer device

technical field

The present application belongs to the technical field of traffic protection devices, and more specifically relates to an anti-collision buffer device.

Background technique

Anti-collision buffer pad is a new traffic protection device, which has been gradually promoted and used. It is mainly used in the mobile maintenance operations of expressways, urban expressways, elevated roads, overpasses and other roads, temporary road construction, and traffic accident handling and rescue sites. The application of anti-collision buffer pads is to protect the safety of personnel and corresponding equipment on the construction or rescue site on the one hand, and to provide a sufficient collision buffer zone for the vehicle causing the accident on the other hand, so as to reduce the degree of casualties in the vehicle causing the accident .

At present, there are two mainstream crash pads: one is the structural form of a metal guide frame plus an energy-absorbing package, in which the energy-absorbing package is composed of a metal skin and an energy-absorbing material filled inside. This structural form is rigid enough. Good guiding, but high cost; another structural form of metal skin plus internal filling of energy-absorbing materials, this structure is low in cost, but poor in guiding, prone to instability during collisions, affecting energy-absorbing protection performance.

technical problem

The purpose of the present application is to provide an anti-collision buffer device, including but not limited to solving the technical problem that the anti-collision buffer pad has poor guidance and is prone to instability during a collision.

technical solution

The technical solution adopted in the embodiment of the present application is to provide an anti-collision buffer device, comprising:

The casing, the casing includes a pair of first casing walls and a pair of second casing walls, the pair of first casing walls are arranged at intervals relative to each other, the pair of second casing walls are arranged at intervals opposite to each other, and the first casing walls Alternately connected with the second shell walls to form accommodating spaces, the stiffness of the second shell walls is less than that of the first shell walls; and

The first energy-absorbing component is accommodated in the accommodating space, and the energy-absorbing strength of the first energy-absorbing component is uniform as a whole, or the energy-absorbing strength of the first energy-absorbing component increases gradually from one end to the other end or decrease.

In one embodiment, the first casing wall is provided with a first reinforcement, and the first reinforcement is used to increase the local rigidity of the first casing wall.

In one embodiment, the cross section of the first shell wall is grid-shaped, the first shell wall includes a first corrugated plate and a second corrugated plate, and the first corrugated plate and the second corrugated plate They are stacked vertically and together form at least one cell unit.

In one embodiment, a first reinforcement is provided inside the cell unit, and the first reinforcement is used to increase the local stiffness of the first shell wall.

In one embodiment, the first housing wall includes n corrugated plates and n-1 first connecting plates, the second housing wall includes n cover plates and n-1 second connecting plates, and the n is a natural number greater than or equal to 2, the corrugated plates are alternately connected to the cover plates, the first connecting plates are alternately connected to the second connecting plates, and two adjacent corrugated plates pass through the first An connecting plate is connected, and two adjacent cover plates are connected through the second connecting plate.

In one embodiment, the first energy-absorbing component includes:

Several energy-absorbing tubes are arranged side by side along a direction perpendicular to the first shell wall, the extension direction of the axis of the energy-absorbing tubes is consistent with the length direction of the first shell wall, and the energy-absorbing strength of the energy-absorbing tubes starts from one end Gradually increase or decrease toward the other end.

In one embodiment, the energy absorbing tube includes:

m tubes are arranged in order according to the direction of change of energy absorption intensity, and m is a natural number greater than or equal to 2;

The first energy-absorbing component also includes:

m-1 partitions, the partitions are connected to the first shell wall and the second shell wall, and two adjacent pipe bodies are connected through the partitions.

In one embodiment, the pipe wall of the pipe body is provided with an induction hole, and/or the pipe wall thickness of the pipe body with higher energy absorption strength is greater than the pipe wall thickness of the pipe body with lower energy absorption strength.

In one embodiment, the first energy-absorbing component further includes:

The second reinforcing member is arranged in the tube body and is used to increase the local rigidity of the energy-absorbing tube.

In one embodiment, the first energy-absorbing component includes:

m first energy-absorbing blocks are arranged in sequence along the length direction of the first shell wall, where m is a natural number greater than or equal to 2, and the energy-absorbing strength of the m first energy-absorbing blocks gradually increases or decreases small; and

m-1 partitions, the partitions are connected to the first shell wall and the second shell wall, and two adjacent first energy-absorbing blocks are connected through the partitions.

In one embodiment, the anti-collision buffer device also includes:

The second energy-absorbing component is detachably connected to the first shell wall and the second shell wall, and covers the opening of the accommodation space.

In one embodiment, the second energy-absorbing component includes:

a housing, the interior of which is formed with a receiving chamber; and

The second energy-absorbing block is accommodated in the accommodating chamber.

In one embodiment, the anti-collision buffer device also includes:

An 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 connecting with the bearing body.

Beneficial effect

The beneficial effect of the anti-collision buffer device provided by the embodiment of the present application is that the first energy-absorbing component is wrapped by a shell composed of the first shell wall and the second shell wall, because the rigidity of the first shell wall is greater than that of the second shell The rigidity of the wall makes it possible that when the shell is impacted, the second shell wall with lower stiffness first undergoes energy-absorbing deformation, and then the first shell wall undergoes energy-absorbing deformation, so that the shell can deform in a controllable and orderly manner, and has better The guiding performance makes most of the energy generated by the impact concentrate on the first energy-absorbing component, which solves the technical problem that the anti-collision cushion pad has poor guidance and is prone to instability during the collision process, and effectively reduces the occurrence of the entire anti-collision cushioning device. The risk of deformation and instability ensures that the anti-collision buffer device can also exert high energy absorption efficiency in the case of a dislocation collision.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the accompanying drawings that need to be used in the embodiments or exemplary technical descriptions. Obviously, the accompanying drawings in the following descriptions are only for this application. For some embodiments, those skilled in the art can also obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a partial cross-sectional view of an anti-collision buffer device provided by an embodiment of the present application;

Fig. 2 is a partial sectional view of the housing provided by an embodiment of the present application;

Fig. 3 is a partial cross-sectional view of a housing provided by another embodiment of the present application;

Fig. 4 is a schematic perspective view of a housing provided in yet another embodiment of the present application;

Fig. 5 is a partial cross-sectional view of the first energy-absorbing component provided by an embodiment of the present application;

Fig. 6 is a partial cross-sectional view of an anti-collision buffer device provided by another embodiment of the present application;

Fig. 7 is a partial cross-sectional view of a second energy-absorbing component provided by an embodiment of the present application;

FIG. 8 is a schematic perspective view of an adapter assembly provided in yet another embodiment of the present application;

Fig. 9 is a schematic diagram of a collision test of the anti-collision buffer device provided by an embodiment of the present application.

Wherein, each reference sign in the figure:

1—anti-collision buffer device, X—length direction, Y—width direction;

10—shell, 11—first shell wall, 12—second shell wall, 13—first reinforcement, 100—accommodating space, 110—cell unit, 111—corrugated plate, 112—first connecting plate, 113— The first corrugated plate, 114—the second corrugated plate, 121—the cover plate, 122—the second connecting plate;

20—first energy-absorbing component, 21—energy-absorbing pipe, 22—baffle, 23—second reinforcement, 24—first energy-absorbing block, 210—induction hole, 211—first pipe body, 212—second pipe Body, 241—energy absorbing block a, 242—energy absorbing block b, 243—energy absorbing block c, 244—energy absorbing block d, 245—energy absorbing block e;

30—second energy-absorbing component, 31—housing, 32—second energy-absorbing block, 33—installation plate, 310—accommodating chamber, 311—top plate, 312—side plate, 313—bottom plate;

40—transition assembly, 41—transition plate, 42—nut, 411—first connecting part, 412—second connecting part.

Embodiments of the present invention

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

It should be noted that when a component is referred to as being “fixed on” or “disposed on” another component, it may be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are for convenience of description only, rather than indicating or implying the referred device Or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on this patent, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

The term "plurality" means two or more, and "several" means one or more, unless otherwise specifically defined.

Please refer to Fig. 1 and Fig. 2, the present embodiment provides a kind of anti-collision cushioning device 1, comprises shell 10 and first energy-absorbing assembly 20, wherein, shell 10 comprises a pair of first shell walls 11 and a pair of second shells Walls 12, a pair of first shell walls 11 are relatively spaced apart, a pair of second shell walls 12 are relatively spaced apart, the first shell walls 11 and the second shell walls 12 are alternately connected to form an accommodation space 100, the second shell walls 12 The stiffness is smaller than that of the first shell wall 11 ; the first energy-absorbing component 20 is accommodated in the accommodation space 100 , and the energy-absorbing strength of the first energy-absorbing component 20 is generally consistent.

Specifically, a pair of first shell walls 11 and a pair of second shell walls 12 are alternately connected to form an accommodating space 100 with an approximately rectangular cross section. The second housing wall 12 is located on the upper and lower sides of the accommodating space 100, and the rigidity of the first housing wall 11 is greater than that of the second housing wall 12, so that the side where the first housing wall 11 of the housing 10 is located is compared to the second housing wall. The side where 12 is located can withstand a greater impact force, that is, the buffer force on both sides of the shell 10 is larger, while the buffer force at the middle is smaller. After being impacted, the second shell wall 12 is compared with the first shell wall 11 It is easy to deform, so that during the collision process, the shell 10 will be dented along the central axis after being impacted (see Figure 9), so that most of the energy generated by the impact will be concentrated on the first energy-absorbing component 20, thereby realizing the first energy-absorbing component 20. The maximization of the energy absorption and buffering effect of the energy component 20 effectively reduces the risk of deformation and instability of the entire anti-collision buffer device 1, and can ensure that the anti-collision buffer device 1 can also exert a high energy absorption efficiency in the case of a misplaced collision .

The anti-collision buffer device 1 provided in this embodiment adopts the shell 10 composed of the first shell wall 11 and the second shell wall 12 to wrap the first energy-absorbing assembly 20, because the rigidity of the first shell wall 11 is greater than that of the second shell wall 11 The rigidity of the casing wall 12 is such that when the casing 10 is impacted, the second casing wall 12 with lower stiffness first undergoes energy-absorbing deformation, and then the first casing wall 11 undergoes energy-absorbing deformation again, so that the casing 10 can be controlled and orderly It is deformed and has good guidance, so that most of the energy generated by the impact is concentrated on the first energy-absorbing component 20, which solves the technical problem that the anti-collision cushion pad has poor guidance and is prone to instability during the collision process, effectively The risk of deformation and instability of the entire anti-collision buffer device 1 is reduced, and it is ensured that the anti-collision buffer device 1 can also exert high energy absorption efficiency in the case of a dislocation collision.

Optionally, please refer to FIG. 2. As a specific embodiment of the anti-collision buffer device provided by the present application, a first reinforcing member 13 is provided on the first shell wall 11, and the first reinforcing member 13 is used to increase the size of the first The local stiffness of the housing wall 11 . Specifically, several first reinforcements 13 are connected to the inner surface or the outer surface of the first shell wall 11, and the several first reinforcements 13 are arranged in sequence along the length direction of the first shell wall 11, with the first reinforcement 13, the local stiffness of the first shell wall 11 increases, so that the stiffness of the first shell wall 11 can gradually increase or decrease from one end of the first shell wall 11 to the other end, at this time, the first energy-absorbing component 20 The energy absorbing strength of the first energy absorbing component 20 is consistent as a whole, or the change direction of the energy absorbing strength of the first energy absorbing component 20 is consistent with the change direction of the rigidity of the first housing wall 11 .

Optionally, please refer to FIG. 2. As a specific embodiment of the anti-collision buffer device provided by the present application, the first shell wall 11 includes n corrugated plates 111 and n-1 first connecting plates 112. Meanwhile, the second The shell wall 12 includes n cover plates 121 and n-1 second connecting plates 122, wherein n is a natural number greater than or equal to 2, the corrugated plates 111 are connected alternately with the cover plates 121, and the first connecting plates 112 are connected with the second connecting plates 122. The plates 122 are connected alternately, two adjacent corrugated plates 111 are connected through the first connecting plate 112 , and two adjacent cover plates 121 are connected through the second connecting plate 122 . Specifically, the corrugated plate 111, the first connecting plate 112, the cover plate 121 and the second connecting plate 122 can be made of metal materials; X satisfies a certain length. At this time, a single corrugated plate 111 cannot process the first shell wall 11 of sufficient length, and a single cover plate 121 cannot process the second shell wall 12 of sufficient width, so multiple corrugated plates are required. 111 are spliced along the length direction to form the first shell wall 11 , and a plurality of cover plates 121 are spliced along the width direction to form the second shell wall 12 . Two adjacent corrugated plates 111 are fastened and connected by a first connecting plate 112, and the first connecting plates 112 respectively lap on the edges of the adjacent two corrugated plates 111, and connect the adjacent two corrugated plates 111 Splicing together; two adjacent cover plates 121 are fastened and connected by a second connecting plate 122, and the second connecting plate 122 overlaps the edges of the adjacent two cover plates 121 respectively, and connects the adjacent two The two cover plates 121 are spliced together, which is conducive to improving the length and assembly firmness of the shell 10.

Optionally, please refer to Fig. 3 and Fig. 4, as a specific embodiment of the anti-collision buffer device provided by the present application, the cross section of the first shell wall 11 is in the shape of a grid, and at this time the first shell wall 11 includes the first The corrugated plate 113 and the second corrugated plate 114 , the first corrugated plate 113 and the second corrugated plate 114 are vertically stacked, and together form at least one cell unit 110 . Specifically, in this embodiment, the first shell wall 11 is a double-layer structure, which is formed by stacking and connecting the first corrugated board 113 on the outside and the second corrugated board 114 on the inside. The so-called vertical direction refers to the The vertical direction of the first shell wall 11, or the width direction Y of the anti-collision buffer device 1; on the same first shell wall 11, at least one cell unit 110 is formed between the first corrugated plate 113 and the second corrugated plate 114 , that is, on the same first shell wall 11, one cell unit 110 (see FIG. 4 ) or two cell units 110 (see FIG. 3 ) can be formed between the first corrugated plate 113 and the second corrugated plate 114 ), and more than two cell units 110 can also be formed, which is beneficial to improve the rigidity of the first shell wall 11 and the impact strength of the shell 10 in the length direction X and the width direction Y. It can be understood that the cross-sectional shape of the cell unit 110 may be a regular hexagon, a circle, a rectangle, etc., which is not limited herein.

Optionally, please refer to FIG. 3. As a specific embodiment of the anti-collision buffer device provided in the present application, the first shell wall 11 includes n first corrugated plates 113, n second corrugated plates 114 and n-1 The first connecting plate 112, wherein, n is a natural number greater than or equal to 2, the first corrugated plate 113 and the second corrugated plate 114 are stacked in the vertical direction and connected to the cover plate 121, the first connecting plate 112 is connected to the second connecting plate The plates 122 are connected alternately, and two adjacent first corrugated plates 113 are connected through the first connecting plates 112 . That is, the first housing wall 11 includes n wall bodies, and each wall body is formed by laminating and connecting a first corrugated plate 113 and a second corrugated plate 114, and the two long sides of each wall body are respectively connected with two covers. The edges of the plates 121 are connected, and two adjacent walls are spliced together by a first connecting plate 112 , so that the shell 10 can be processed to a certain length, so that the anti-collision buffer device 1 can obtain a larger buffer distance.

Optionally, please refer to FIG. 3 , as a specific embodiment of the anti-collision buffer device provided by the present application, a first reinforcing member 13 is provided in the cell unit 110, and the first reinforcing member 13 is used to enlarge the first shell The local stiffness of the wall 11 . Specifically, several first reinforcement members 13 are arranged in the cell unit 110 along the length direction of the first shell wall 11, and are respectively fastened to the first corrugated plate 113 and the second corrugated plate 114, thereby effectively improving the strength of the second corrugated plate. The local rigidity of a shell wall 11 makes the stiffness of the first shell wall 11 gradually increase or decrease from one end of the first shell wall 11 to the other end. At this time, the energy absorption strength of the first energy-absorbing component 20 is overall or the change direction of the energy absorbing intensity of the first energy absorbing component 20 is consistent with the change direction of the rigidity of the first housing wall 11 .

Optionally, please refer to Fig. 1 and Fig. 5, as a specific embodiment of the anti-collision buffer device provided by the present application, the first energy-absorbing assembly 20 includes several energy-absorbing tubes 21, and several energy-absorbing tubes 21 are vertical to the first The directions of the shell walls 11 are arranged side by side, and the extension direction of the axis of each energy-absorbing tube 21 is consistent with the length direction of the first shell wall 11, and the energy-absorbing strength of each energy-absorbing tube 21 gradually increases or decreases from one end to the other end . Specifically, the direction perpendicular to the first shell wall 11 is the width direction Y of the anti-collision buffer device 1, the length direction of the first shell wall 11 is consistent with the length direction X of the anti-collision buffer device 1, and the energy-absorbing tube 21 and the first shell The walls 11 are arranged in parallel, and several energy-absorbing tubes 21 are arranged side by side at intervals along the width direction Y. The cross-sectional shape of the energy-absorbing tubes 21 can be regular hexagonal, circular or rectangular, etc., and the stiffness of each energy-absorbing tube 21 (that is, energy-absorbing Strength) gradually increases or decreases from one end of the energy-absorbing tube 21 to the other end, so that the entire anti-collision buffer device 1 can undergo energy-absorbing deformation in a smooth and orderly manner.

Optionally, please refer to Fig. 5. As a specific embodiment of the anti-collision buffer device provided by the present application, the energy-absorbing pipe 21 includes m pipe bodies, and the m pipe bodies are arranged in sequence according to the direction of change of the energy-absorbing intensity, and m is greater than or a natural number equal to 2; at the same time, the first energy-absorbing component 20 also includes m-1 partitions 22, the partitions 22 are connected to the first shell wall 11 and the second shell wall 12, and the adjacent two pipes pass through The separator 22 is connected. In order to facilitate the description of the structure of the energy absorbing tube 21 , here it is taken that the energy absorbing tube 21 includes four first tube bodies 211 and three second tube bodies 212 as an example. Specifically, the stiffness of the second tube body 212 is greater than that of the first tube body 211; the four first tube bodies 211 are connected in sequence in the axial direction, and the first tube body 211 at the tail is connected to the second tube body 212 at the head. , the three second pipe bodies 212 are sequentially connected along the axial direction to form a complete energy-absorbing pipe 21, so that the energy-absorbing strength of the energy-absorbing pipe 21 gradually increases from the side where the first pipe body 211 is located to the side where the second pipe body 212 is located. It can be understood that the first pipe body 211 is coaxial with the second pipe body 212, and the so-called axial direction refers to the extension direction of the axis of the energy-absorbing pipe 21; the first energy-absorbing assembly 20 includes six partitions 22, adjacent The two first pipe bodies 211 are spliced through a partition 22, the adjacent two second pipe bodies 212 are spliced through a partition 22, and the adjacent first pipe bodies 211 and second pipe bodies 212 are connected through a partition 22 splicing, that is, the end of the first pipe body 211 spliced with another first pipe body 211 or with the second pipe body 212 is fastened on the partition 22, and the second pipe body 212 is connected with another second pipe body The body 212 or the end spliced with the first pipe body 211 is fastened to the partition 22 to form the first energy-absorbing component 20, so that the first energy-absorbing component 20 can perform energy-absorbing deformation smoothly and orderly. Of course, according to specific conditions and needs, in other embodiments of the present application, the energy-absorbing tube 21 may include more than two tube bodies, which are respectively the first tube body, the second tube body, the third tube body..., the first tube body The number of pipe bodies may be less than four or greater than four, and the number of second pipe bodies may be less than three or greater than three, which are not limited herein.

Optionally, please refer to FIG. 5 , as a specific embodiment of the anti-collision buffer device provided in this application, an induction hole 210 is opened on the tube wall of the tube body of the energy-absorbing tube 21 . Specifically, the induction hole 210 may be in the shape of a circle, an ellipse, an oblong shape, or the like. By opening induction holes 210 of different shapes, diameters and numbers at different positions of the pipe wall of the pipe body, the local rigidity of the pipe body can be weakened, thereby changing the direction of change of the energy absorption intensity of the energy-absorbing tube 21 . In this embodiment, the induction hole 210 is preferably a circular hole with a diameter of 10 mm, which is arranged close to the partition 22, so that the energy-absorbing tube 21 can first deform from the part close to the partition 22 when it is impacted, so that the energy-absorbing tube 21 The deformation of the first energy-absorbing component 20 is controllable, ensuring orderly deformation of the first energy-absorbing component 20 .

Optionally, please refer to FIG. 5 , as a specific embodiment of the anti-collision buffer device provided in the present application, the pipe wall thickness of the pipe body with higher energy absorption strength is greater than the pipe wall thickness of the pipe body with lower energy absorption strength. That is to say, under the condition of using the same material, the rigidity of the pipe body can be changed by changing the thickness of the pipe wall of the pipe body, thereby sequentially assembling a plurality of pipe bodies into the energy-absorbing pipe 21 according to the thickness of the pipe wall from small to large, and the energy-absorbing pipe 21 can be made The energy absorption intensity gradually increases from one end to the other.

Optionally, please refer to Fig. 5. As a specific embodiment of the anti-collision buffer device provided by the present application, an induction hole 210 is opened on the tube wall of the tube body of the energy-absorbing tube 21, and the tube body with higher energy-absorbing strength The wall thickness of the pipe body is greater than that of the pipe body with less energy absorption strength. That is to say, under the condition of using 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 by opening holes of different shapes, apertures and numbers at different positions of the pipe wall of the pipe body with different wall thicknesses The induction hole 210 is used to adjust the change direction of the energy-absorbing intensity of the entire energy-absorbing tube 21, so that the change direction is consistent with the stiffness change direction of the first shell wall 11, thereby ensuring that the entire anti-collision buffer device 1 can absorb energy smoothly and orderly out of shape.

Optionally, please refer to FIG. 5 , as a specific embodiment of the anti-collision buffer device provided in the present application, the first energy-absorbing assembly 20 further includes a second reinforcing member 23, and the second reinforcing member 23 is arranged on the tube of the energy-absorbing tube 21. Inside the body, it is used to increase the local rigidity of the energy-absorbing tube 21 . That is, the second reinforcing member 23 is housed in the tube body of the energy-absorbing tube 21 and is tightly connected with the tube wall of the tube body. By installing different numbers of second reinforcing members 23 in different positions of the tube body, the energy-absorbing tube 21 can be enlarged. local rigidity, thereby changing the direction of change of the energy absorption intensity of the energy-absorbing tube 21 .

Optionally, please refer to FIG. 6 , as a specific embodiment of the anti-collision buffer device provided by the present application, the first energy-absorbing component 20 includes m first energy-absorbing blocks 24 and m-1 partitions 22, wherein, The m first energy-absorbing blocks 24 are arranged in sequence along the length direction of the first shell 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 plate 22 is connected to the first shell wall 11 and the second shell wall 12 , and two adjacent first energy-absorbing blocks 24 are connected through the partition plate 22 . In order to facilitate the description of the structure of the first energy-absorbing assembly 20 , here it is taken that the first energy-absorbing assembly 20 includes seven first energy-absorbing blocks 24 as an example. Specifically, the seven first energy-absorbing blocks 24 are respectively one energy-absorbing block a241, one energy-absorbing block b242, one 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, energy-absorbing block c243, energy-absorbing block d244 and energy-absorbing block e245 can be made of energy-absorbing materials such as metal honeycomb, aluminum foam or rubber, and absorb the destructive energy generated by the impact through their own collapse deformation, and The energy-absorbing intensity of the energy-absorbing block a241 is less than that of the energy-absorbing block b242, the energy-absorbing intensity of the energy-absorbing block b242 is less than that of the energy-absorbing block c243, and the energy-absorbing intensity of the energy-absorbing block c243 is less than that of the energy-absorbing block d244 Energy-absorbing strength, 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 also includes six partitions 22, and the energy-absorbing block a241 and the energy-absorbing block b242 are fastened together On the partition 22, the energy-absorbing block b242 and the energy-absorbing block c243 are fastened to the second partition 22, the energy-absorbing block c243 and the energy-absorbing block d244 are fastened to the third partition 22, and the adjacent The two energy-absorbing blocks d244 are fastened to the fourth partition 22, the energy-absorbing block d244 and the energy-absorbing block e245 are fastened to the fifth partition 22, and the adjacent two energy-absorbing blocks e245 are fastened Connected to the sixth partition 22, that is, one energy-absorbing block a241, one energy-absorbing block b242, one energy-absorbing block c243, two energy-absorbing blocks d244 and two energy-absorbing blocks e245 pass through six partitions 22 in sequence are firmly connected to form the first energy-absorbing component 20, so that the first energy-absorbing component 20 can perform energy-absorbing deformation smoothly and orderly. Certainly, according to specific conditions and needs, in other embodiments of the present application, the first energy-absorbing assembly 20 may include other numbers of first energy-absorbing blocks 24, and the number of first energy-absorbing blocks 24 with different energy-absorbing intensities may be One or more, not uniquely limited here.

Optionally, please refer to Fig. 1 and Fig. 7, as a specific embodiment of the anti-collision buffer device provided in the present application, the anti-collision buffer device 1 also includes a second energy-absorbing assembly 30, which is detachably connected On the first housing wall 11 and the second housing wall 12 , the second energy-absorbing component 30 covers the opening of the receiving space 100 of the housing 10 . Specifically, the energy-absorbing strength of the second energy-absorbing component 30 is smaller than the energy-absorbing strength of the shell 10; when a collision occurs, the second energy-absorbing component 30 first receives the impact, and the second energy-absorbing component 30 absorbs the impact through its own collapse deformation. If the destructive energy generated by the impact is not enough to completely deform the second energy-absorbing assembly 30, that is, when the impact force is small, the shell 10 will not be deformed. At this time, it is only necessary to replace the second energy-absorbing assembly 30 to prevent The impact buffer device 1 can be restored to normal use, which is beneficial to improving the maintenance efficiency of the anti-collision buffer device 1 and reducing the maintenance cost of the anti-collision buffer device 1 .

Optionally, please refer to FIG. 7 , as a specific embodiment of the anti-collision buffer device provided by the present application, the second energy-absorbing assembly 30 includes a housing 31 and a second energy-absorbing block 32, wherein, inside the housing 31 An accommodating cavity 310 is formed; the second energy-absorbing block 32 is accommodated in the accommodating cavity 310 . Specifically, the housing 31 may include a top plate 311, a side plate 312, and a bottom plate 313. The top plate 311, the side plates 312, and the bottom plate 313 enclose to form an accommodation cavity 310, and wrap the second energy-absorbing block 32. The second energy-absorbing block 32 can be made of energy-absorbing materials such as metal honeycomb, foamed aluminum or rubber, and absorb the destructive energy generated by the impact through its own collapse and deformation; the second energy-absorbing component 30 can connect with the first shell wall 11 is fastened to the second housing wall 12 , so that the second energy-absorbing component 30 is detachably connected to the housing 10 .

Optionally, please refer to FIG. 1 and FIG. 8. As a specific embodiment of the anti-collision buffer device provided in the present application, the anti-collision buffer device 1 further includes an adapter assembly 40, and the adapter assembly 40 is connected to the first shell wall 11 and the second housing wall 12 , and the adapter assembly 40 covers another opening of the accommodation space 100 of the housing 10 for connecting with the carrying body. Specifically, the adapter assembly 40 may include an adapter plate 41 and nuts 42, wherein a plurality of first through holes are opened on the edge of the adapter plate 41, and the plurality of nuts 42 are connected to the inner surface of the adapter plate 41 or On the outer surface, it is matched one-to-one with a plurality of first through holes, and the threaded hole of the nut 42 communicates coaxially with the first through holes; The second through hole, the position of the second through hole corresponds to the position of the first through hole; after the bolt passes through the second through hole and the first through hole in turn and is screwed into the nut, the anti-collision buffer device 1 can be installed on the on the host.

In addition, the adapter plate 41 may include a first connecting portion 411 and a second connecting portion 412, the first connecting portion 411 and the second connecting portion 412 are both formed by a flanging process, and the raised height of the first connecting portion 411 is smaller than that of the second connecting portion 411. The raised height of the second connection part 412, the second connection part 412 is located at the corner of the adapter plate 41, used to increase the contact area with the first shell wall 11, thereby enhancing the connection between the adapter plate 41 and the first shell wall 11 In terms of firmness, the first connecting portion 411 is arranged on the edge of the adapter plate 41 except the second connecting portion 412 for connecting with the first shell wall 11 and the second shell wall 12 .

It can be understood that, in the present application, "connecting" one component to another component refers to riveting, welding or bonding, etc., between one component and another component.

The above are only preferred embodiments of the application, and are not intended to limit the application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the protection scope of the application. Inside.

Claims

An anti-collision buffer device, characterized in that it comprises:

The casing, the casing includes a pair of first casing walls and a pair of second casing walls, the pair of first casing walls are arranged at intervals relative to each other, the pair of second casing walls are arranged at intervals opposite to each other, and the first casing walls Alternately connected with the second shell walls to form accommodating spaces, the stiffness of the second shell walls is less than that of the first shell walls; and

The first energy-absorbing component is accommodated in the accommodating space, and the energy-absorbing strength of the first energy-absorbing component is uniform as a whole, or the energy-absorbing strength of the first energy-absorbing component increases gradually from one end to the other end or decrease.
The anti-collision buffer device according to claim 1, characterized in that, the first shell wall is provided with a first reinforcement, and the first reinforcement is used to increase the local rigidity of the first shell wall .
The anti-collision buffer device according to claim 1, wherein the cross-section of the first shell wall is grid-shaped, the first shell wall includes a first corrugated plate and a second corrugated plate, and the first shell wall The first corrugated plate and the second corrugated plate are vertically stacked and jointly form at least one cell unit.
The anti-collision buffer device according to claim 3, wherein a first reinforcing member is provided in the cell unit, and the first reinforcing member is used to increase the local rigidity of the first shell wall.
The anti-collision buffer device according to claim 1, wherein the first housing wall comprises n corrugated plates and n-1 first connecting plates, and the second housing wall comprises n cover plates and n - 1 second connecting plate, said n is a natural number greater than or equal to 2, said corrugated plate is alternately connected with said cover plate, said first connecting plate is alternately connected with said second connecting plate, adjacent The two corrugated plates are connected through the first connecting plate, and the two adjacent cover plates are connected through the second connecting plate.
The anti-collision buffer device according to any one of claims 1 to 5, wherein the first energy-absorbing component comprises:

Several energy-absorbing tubes are arranged side by side along a direction perpendicular to the first shell wall, the extension direction of the axis of the energy-absorbing tubes is consistent with the length direction of the first shell wall, and the energy-absorbing strength of the energy-absorbing tubes starts from one end Gradually increase or decrease toward the other end.
The anti-collision buffer device according to claim 6, wherein the energy-absorbing tube comprises:

m tubes are arranged in order according to the direction of change of energy absorption intensity, and m is a natural number greater than or equal to 2;

The first energy-absorbing component also includes:

m-1 partitions, the partitions are connected to the first shell wall and the second shell wall, and two adjacent pipe bodies are connected through the partitions.
The anti-collision buffer device according to claim 7, characterized in that, the pipe wall of the pipe body is provided with an induction hole, and/or the pipe wall thickness of the pipe body with higher energy absorption strength is greater than that of the pipe body with smaller energy absorption strength The wall thickness of the pipe body.
The anti-collision buffer device according to claim 7, wherein the first energy-absorbing component further comprises:

The second reinforcing member is arranged in the tube body and is used to increase the local rigidity of the energy-absorbing tube.
The anti-collision buffer device according to any one of claims 1 to 5, wherein the first energy-absorbing component comprises:

m first energy-absorbing blocks are arranged in sequence along the length direction of the first shell wall, where m is a natural number greater than or equal to 2, and the energy-absorbing strength of the m first energy-absorbing blocks gradually increases or decreases small; and

m-1 partitions, the partitions are connected to the first shell wall and the second shell wall, and two adjacent first energy-absorbing blocks are connected through the partitions.
The anti-collision buffer device according to any one of claims 1 to 5, further comprising:

The second energy-absorbing component is detachably connected to the first shell wall and the second shell wall, and covers the opening of the accommodation space.
The anti-collision buffer device according to claim 11, wherein the second energy-absorbing component comprises:

a housing, the interior of which is formed with a receiving cavity; and

The second energy-absorbing block is accommodated in the accommodating cavity.
The anti-collision buffer device according to claim 11, further comprising:

The adapter assembly is connected to the first shell wall and the second shell wall, and covers another opening of the accommodation space, and is used for connecting with the carrying body.