CN210881986U - Multidirectional anti-collision energy-absorbing device - Google Patents

Abstract

The utility model provides a multidirectional anti-collision energy-absorbing device, which comprises a first bottom plate; the energy absorption wall is arranged on one side of the first base plate in parallel at intervals and comprises a second base plate and a first energy absorption block, and the first energy absorption block is fixed on the second base plate; the guide frame is connected to the interval between the first bottom plate and the second bottom plate and forms an accommodating space with the first bottom plate and the second bottom plate in an enclosing manner; and the energy absorption box is fixed on the first bottom plate and is contained in the containing space. The utility model discloses an energy-absorbing wall, guide frame and energy-absorbing box cooperation, when taking place the slant collision, through the energy-absorbing wall tentatively adjust the direction of transfer of impact and the energy that the absorption impact produced, further pull and revise the direction of transfer of impact through guide frame after that, make the impact dispersion in the forward of energy-absorbing box, the residual energy who produces the impact through the energy-absorbing box at last absorbs, and then vehicle and driver and crew's safety has been guaranteed, thereby the problem that the energy-absorbing performance is poor when crashproof energy-absorbing device received the slant collision has been solved effectively.

Description

Multidirectional anti-collision energy-absorbing device

Technical Field

The utility model belongs to the technical field of passive safety device, more specifically say, relate to a multidirectional crashproof energy-absorbing device.

Background

With the rapid development of economy in China, transportation plays a very important role, wherein convenient and efficient transportation and travel modes such as rail transportation, road transportation and the like become indispensable parts in life of people, so the safety protection problem also becomes non-negligible. Under the condition of no safety protection, once an accident occurs and a running vehicle is impacted, huge kinetic energy carried by a large mass body running at a high speed can be dissipated in various forms of energy instantly to cause huge property loss and casualties, so that the problem that an anti-collision energy-absorbing device arranged on the vehicle has to overcome if the energy dissipation time is prolonged and a large amount of kinetic energy is absorbed in a short time, and particularly, the excellent energy-absorbing characteristic can be still kept under the condition of oblique collision.

At present, the anti-collision energy-absorbing device has the defects of multiple aspects, wherein the anti-collision energy-absorbing device cannot deform according to the preset assumed condition when the anti-collision energy-absorbing device is collided obliquely, so that the energy-absorbing performance is greatly reduced, even the anti-collision energy-absorbing device fails, and great danger is brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multidirectional crashproof energy-absorbing device, including but not limited to the technical problem that the energy-absorbing performance is poor when solving crashproof energy-absorbing device and receiving the slant collision.

In order to achieve the above object, the utility model provides a multidirectional crashproof energy-absorbing device, include:

the first bottom plate is used for connecting a protected object;

the energy absorption wall is arranged on one side of the first base plate in parallel at intervals and comprises a second base plate and a first energy absorption block, and the first energy absorption block is fixed on the second base plate;

the guide frame is connected to the interval between the first bottom plate and the second bottom plate and forms an accommodating space with the first bottom plate and the second bottom plate in an enclosing manner; and

and the energy absorption box is fixed on the first bottom plate and is accommodated in the middle of the accommodating space.

Further, the guide frame includes:

one ends of the four bending pipes are respectively connected with four corners of the first bottom plate, and the other ends of the four bending pipes are respectively connected with four corners of the second bottom plate; and

four first supporting tubes are hinged to form two X-shaped supports, the two X-shaped supports are respectively distributed on two opposite sides of the energy absorption box, two opposite ends of each first supporting tube are connected with two end portions of the corresponding bending tube, and the bending angle of the corresponding bending tube faces towards the X-shaped supports on the same side of the corresponding bending tube.

Further, the guide frame further includes:

and one end of the connecting piece is fixedly connected with the end part of the first supporting pipe, and the other end of the connecting piece is fixedly connected with the energy absorption box.

Optionally, the first supporting tube is fastened to the bending tube, two opposite ends of the bending tube are fastened to the first bottom plate and the second bottom plate, respectively, and two opposite ends of the bending tube are provided with grooves.

Optionally, the bending tube comprises:

one end of the first pipe body is hinged with the first bottom plate; and

one end of the second pipe body is hinged to the second bottom plate, and the other end of the second pipe body is hinged to the other end of the first pipe body.

Further, the guide frame further includes:

and the second supporting pipe or the supporting plate is fixedly connected between the two bent pipes, and the second supporting pipe or the supporting plate is adjacent to the first bottom plate, the second bottom plate and the X-shaped bracket.

Further, the energy absorbing wall further comprises:

the first skin covers the outer side of the first energy absorption block, and the cross section of the first skin is in an isosceles trapezoid shape.

Furthermore, the end face of the first energy absorption block, which is far away from the second base plate, is the top face of the first energy absorption block, the end face of the first energy absorption block, which is tightly attached to the second base plate, is the bottom face of the first energy absorption block, the end face of the first energy absorption block, which connects the top face and the bottom face, is the side face of the first energy absorption block, and the included angle between the side face of the first energy absorption block and the bottom face of the first energy absorption block is 45 degrees.

Further, a reinforcing beam is arranged on the second bottom plate.

Further, the energy absorption box includes:

the second skin and the first bottom plate are enclosed to form a second accommodating cavity, and the first bottom plate is provided with an air hole; and

and the second energy absorption block is filled in the second accommodating cavity.

The utility model provides a multidirectional crashproof energy-absorbing device's beneficial effect lies in: the energy absorption wall is adopted, the guide frame is matched with the energy absorption box, when oblique collision occurs, the transmission direction of the impact force is preliminarily adjusted through the energy absorption wall and the energy generated by the impact force is absorbed, then the transmission direction of the impact force is further pulled and corrected through the guide frame, so that the impact force is dispersed in the forward direction of the energy absorption box, finally, the residual energy generated by the impact force is absorbed through the energy absorption box, the safety of vehicles and drivers and conductors is ensured, the technical problem that the energy absorption performance is poor when the anti-collision energy absorption device is subjected to oblique collision is effectively solved, and the oblique buffering capacity of the anti-collision energy absorption device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a multidirectional collision-proof energy-absorbing device provided in an embodiment of the present invention;

fig. 2 is a schematic view of a working state of the multidirectional anti-collision energy-absorbing device provided by the embodiment of the present invention when the device is impacted in a forward direction;

fig. 3 is a schematic view of a working state of the multidirectional anti-collision energy-absorbing device provided by the embodiment of the present invention when being impacted obliquely;

fig. 4 is a schematic partial perspective view of an energy absorbing wall in the multidirectional anti-collision energy absorbing device according to the embodiment of the present invention;

fig. 5 is a schematic perspective view of a guide frame in a multidirectional anti-collision energy-absorbing device according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a guide frame in a multidirectional anti-collision energy-absorbing device according to another embodiment of the present invention;

fig. 7 is a schematic perspective view of a first bottom plate in a multidirectional anti-collision energy-absorbing device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

the energy-absorbing and energy-absorbing device comprises 1-multidirectional collision-preventing and energy-absorbing device, 10-first bottom plate, 20-energy-absorbing wall, 30-guide frame, 40-energy-absorbing box, 21-second bottom plate, 22-first energy-absorbing block, 23-first skin, 24-reinforcing beam, 31-bent pipe, 32-first supporting pipe, 33-connecting piece, 34-reinforcing piece, 35-second supporting pipe, 100-air vent, 310-groove, 311-first pipe body, 312-second pipe body, F-collision direction and I-energy-absorbing wall cross section direction.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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 terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The term "plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the multi-directional anti-collision energy-absorbing device of the present invention will now be described. The multi-directional anti-collision energy-absorbing device 1 comprises a first base plate 10, an energy-absorbing wall 20, a guide frame 30 and an energy-absorbing box 40, wherein the first base plate 10 is used for connecting a protected object, namely can be welded on the protected object or fixed on the protected object through fasteners such as bolts and the like; the energy absorbing wall 20 is parallel to the first base plate 10 and is arranged at one side of the first base plate 10 at a distance, specifically, the energy absorbing wall 20 comprises a second base plate 21 and a first energy absorbing block 22, the first energy absorbing block 22 is fixed on the second base plate 21, more specifically, the first energy absorbing block 22 is fixed on the surface of the second base plate 21 far away from the energy absorbing box 40; the guide frame 30 is connected to the interval between the first bottom plate 10 and the second bottom plate 21, and the guide frame 30 and the first bottom plate 10 and the second bottom plate 21 enclose to form an accommodating space (not labeled); the energy-absorbing box 40 is fixed on the first base plate 10 and is accommodated in the middle of the accommodating space, i.e. the guide frame 30 is erected on the periphery of the energy-absorbing box 40, one side wall of the energy-absorbing box 40 is fastened with the first base plate 10, and the other side wall of the energy-absorbing box 40 can be fastened with the second base plate 21 or a gap is left between the other side wall and the second base plate 21.

As shown in fig. 2, when the multi-directional anti-collision energy-absorbing device 1 is subjected to a forward collision, i.e. the collision direction F is perpendicular to the force-bearing surface of the energy-absorbing wall 20, the first energy-absorbing block 22 absorbs a small part of energy generated by the impact force, then the impact force is transmitted to the guide frame 30 and the energy-absorbing box 40 through the second bottom plate 21, the energy-absorbing box 40 absorbs a large part of energy generated by the impact force through the telescoping deformation of the energy-absorbing box 40, so as to ensure the safety of the vehicle and the driver, and in the process, the guide frame 30 mainly plays a role of supporting the energy-absorbing wall 20; as shown in fig. 3, when the multi-directional anti-collision energy-absorbing device 1 is subjected to an oblique collision, that is, an included angle between the collision direction F and the force-bearing surface of the energy-absorbing wall 20 is greater than or equal to 45 ° and less than 90 °, the first energy-absorbing block 22 absorbs a small portion of energy generated by the collision force, at this time, the first energy-absorbing block 22 is compacted under the action of the collision force, so that the transmission direction of the collision force is adjusted to a certain extent and is transmitted to the guide frame 30 and the energy-absorbing box 40 through the second bottom plate 21, then the guide frame 30 pulls and modifies the transmission direction of the collision force through its own bending deformation, so that the collision force is dispersed in the forward direction of the energy-absorbing box 40, and then the energy-absorbing box 40 absorbs a large portion of energy generated by the collision force through its own telescoping deformation, thereby solving the problem.

The utility model provides a multidirectional crashproof energy-absorbing device 1, energy-absorbing wall 20 has been adopted, guide frame 30 cooperates with energy-absorbing box 40, when the slant collision takes place, through the energy-absorbing wall 20 initial adjustment striking power direction of transfer and the energy that absorbs the striking power and produce, further pull and revise the direction of transfer of striking power through guide frame 30 after that, make the striking power dispersion in energy-absorbing box 40 forward, the residual energy who produces the striking power through energy-absorbing box 40 at last, and then vehicle and driver and crew's safety has been guaranteed, thereby the technical problem that the energy-absorbing performance is poor when having solved crashproof energy-absorbing device effectively and receiving the slant collision, the slant buffer capacity of crashproof energy-absorbing device has been promoted.

Further, please refer to fig. 5 and 6, as a specific embodiment of the multi-directional anti-collision energy-absorbing device of the present invention, the guiding frame 30 includes four bending pipes 31 and four first supporting pipes 32, wherein one ends of the four bending pipes 31 are respectively connected to four corners of the first base plate 10, and the other ends of the four bending pipes 31 are respectively connected to four corners of the second base plate 21; the four first supporting tubes 32 are hinged to form two X-shaped supports, the two X-shaped supports are distributed on two opposite sides of the energy absorption box 40, two opposite ends of each first supporting tube 32 are connected with the end portions of the two bending tubes 31, and the bending angles of the bending tubes 31 face the X-shaped supports on the same side as the bending tubes 31. Specifically, the outer contour of the first base plate 10 and the outer contour of the second base plate 21 are rectangular, the corners of the first base plate 10 and the corners of the second base plate 21 are respectively connected with a bending pipe 31, four bending pipes 31 are distributed at the interval between the first base plate 10 and the second base plate 21, two first support pipes 32 distributed above the energy-absorbing box 40 or distributed below the energy-absorbing box 40 are hinged in a crossing manner to form an X-shaped bracket, four ends of the X-shaped bracket are respectively connected with four end portions of two bending pipes 31 distributed on the same side of the energy-absorbing box 40, and the bending angle of each bending pipe 31 faces to a hinge shaft of the X-shaped bracket distributed on the same side of the energy-absorbing box 40. When the multidirectional anti-collision energy-absorbing device 1 is collided, the bending part of the bent pipe 31 firstly generates bending deformation, as the two first supporting pipes 32 forming the X-shaped support are mutually hinged, then under the driving of the bent pipe 31, the included angle of the X-shaped support towards the bent pipe 31 is gradually reduced, the first supporting pipes 32 are ensured not to generate bending deformation, meanwhile, the bent pipes 31 distributed at the left side and the right side of the energy-absorbing box 40 are always mutually pulled, the uniform support is kept for the energy-absorbing wall 20, the transmission direction of the collision force is effectively corrected, most of the collision force acts on the positive direction of the energy-absorbing box 40, and therefore, the multidirectional anti-collision energy-absorbing device 1 is prevented from being collided obliquely, the energy-absorbing performance is greatly reduced or the energy-absorbing failure is. Here, the bending pipe 31 and the first supporting pipe 32 are aluminum square pipes, and have the characteristics of light weight, good plasticity, good corrosion resistance and the like, and certainly, according to specific conditions and requirements, the utility model discloses an in other embodiments, the bending pipe 31 and the first supporting pipe 32 can be other tubular products that have the characteristics of light weight, good plasticity, good corrosion resistance and the like, and the only restriction is not made here.

Further, referring to fig. 1, 5 and 6, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the guiding frame 30 further includes a connecting member 33, one end of the connecting member 33 is fastened to the end of the first supporting tube 32, and the other end of the connecting member 33 is fastened to the energy-absorbing box 40. Here, two connecting members 33 are connected to opposite end portions of each first supporting tube 32, one end of each connecting member 33 is fixed between a hinge point of the first supporting tube 32 and a connecting end of the first supporting tube 32 to the bent tube 31, and the other end of each connecting member 33 is fastened to a surface of the energy absorption box 40. Therefore, the X-shaped bracket is connected with the energy absorption box 40 through the connecting piece 33, and the connecting strength of the structure of the multidirectional anti-collision energy absorption device 1 is improved. Because connecting piece 33 adopts the aluminum sheet to buckle and makes, its joint strength is low, can not influence the impact and take place the transmission of bending deformation in-process at guide frame 30, of course, according to particular case and demand in the utility model discloses an in other embodiments, connecting piece 33 can also adopt other easily deformable materials to make, does not do the only restriction here.

In addition, the guide frame 30 further includes a reinforcing member 34, and the reinforcing member 34 is fitted over a middle portion of the first support tube 32. Specifically, the reinforcing member 34 is preferably an aluminum pipe, and two first supporting pipes 32 sleeved with the reinforcing member 34 can be connected in series through a connecting pin or a bolt to form an X-shaped bracket, so that the structural strength of a hinge point of the X-shaped bracket is effectively increased, the pulling strength of the X-shaped bracket to the energy-absorbing wall 20 in the plane direction of the X-shaped bracket is improved, and the whole guide frame 30 is more stable.

Optionally, referring to fig. 5, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the first supporting tube 32 is fastened to the bending tube 31, opposite ends of the bending tube 31 are fastened to the first bottom plate 10 and the second bottom plate 21, respectively, and grooves 310 are formed on the opposite ends of the bending tube 31. Specifically, the first supporting tube 32 may be welded to the bending tube 31 or screwed with a fastening member, opposite ends of the bending tube 31 may be welded to the first base plate 10 and the second base plate 21 or screwed with a fastening member, respectively, a groove 310 is formed in a connection end surface of the bending tube 31 to the first base plate 10 or the second base plate 21, the groove 310 extends from a connection end surface of the bending tube 31 to an end portion of the bending tube 31, and the groove 310 penetrates through the end portion of the bending tube 31, so that the structural strength of the end portion of the bending tube 31 is effectively weakened, the end portion of the bending tube 31 may be matched with the bending portion of the bending tube 31 to be bent and deformed at the same time, the guide frame 30 is bent and folded in a pre-designed direction, and a guide effect of the guide frame 30 is ensured. Here, it is preferable that the bent portion of the bent tube 31 is provided with a through hole which can effectively weaken the structural strength of the bent portion of the bent tube 31 and ensure that the bent portion of the bent tube 31 is bent before other portions of the bent tube 31.

Optionally, please refer to fig. 6, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the bending tube 31 includes a first tube 311 and a second tube 312, wherein one end of the first tube 311 is hinged to the first base plate 10, one end of the second tube 312 is hinged to the second base plate 21, and the other end of the second tube is hinged to the other end of the first tube 311. Specifically, one end of the first tube 311 and the first base plate 10, one end of the second tube 312 and the second base plate 21, and the first tube 311 and the second tube 312 may be hinged through a connecting pin or a stud, respectively, so that both the bending portion and the end portion of the bent tube 31 have a certain degree of freedom of swinging, and the bending portion and the end portion of the bent tube 31 are ensured to be bent and deformed before other portions of the bent tube 31; meanwhile, the first supporting tube 32 may be fastened or hinged to the bending tube 31, so that the guide frame 30 may be bent and folded in a pre-designed direction, thereby ensuring a guiding effect of the guide frame 30.

Further, referring to fig. 5 and fig. 6, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the guiding frame 30 further includes a second supporting tube 35 or a supporting plate, the second supporting tube 35 or the supporting plate is fastened between the two bending tubes 31, and the second supporting tube 35 or the supporting plate is adjacent to the first bottom plate 10, the second bottom plate 21 and the X-shaped bracket. Here, the second support tubes 35 or the support plates are distributed on the left and right sides of the energy-absorbing box 40, and opposite ends of the second support tubes 35 or opposite side edges of the support plates are respectively fastened to the two bent tubes 31 to support the bent tubes 31, so that a certain interval is maintained between the two bent tubes 31 located on the left side of the energy-absorbing box 40 or on the right side of the energy-absorbing box 40, thereby improving the structural strength of the whole guide frame 30.

Further, referring to fig. 1 and 4, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the energy-absorbing wall 20 further includes a first skin 23, the first skin 23 covers the outer side of the first energy-absorbing block 22, and the cross-sectional profile of the first skin 23 is an isosceles trapezoid. Specifically, the cross section of the first skin 23 is obtained by sectioning along the direction I-I, the first skin 23 and the second bottom plate 21 are enclosed to form a first accommodating cavity, the first energy-absorbing block 22 is accommodated in the first accommodating cavity, and the first skin 23 can isolate the first energy-absorbing block 22 from contacting with the external environment, so that the first energy-absorbing block 22 is effectively prevented from being eroded by water vapor, rainwater, dust and the like, and the service life of the first energy-absorbing block 22 is further prolonged; here, the first energy-absorbing block 22 is a porous solid material, preferably an aluminum foam block or an aluminum foil honeycomb material, and of course, according to specific situations and requirements, in other embodiments of the present invention, the first energy-absorbing block 22 may also be a porous solid material made of stainless steel foil honeycomb material, acrylic corrugated paper, etc., and this is not limited herein; and the cross section profile of the first skin 23 is isosceles trapezoid, that is, the included angle between the left and right side end surfaces of the first skin 23 and the second bottom plate 21 is greater than 0 ° and less than 90 °, when an oblique collision occurs, the transmission direction of the impact force can be effectively adjusted through the left and right side end surfaces of the first skin.

Further, please refer to fig. 4, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the end surface of the first energy-absorbing block 22 far away from the second bottom plate 21 is the top surface of the first energy-absorbing block 22, the end surface of the first energy-absorbing block 22 tightly attached to the second bottom plate 21 is the bottom surface of the first energy-absorbing block 22, the end surfaces of the first energy-absorbing block 22 connecting the top surface and the bottom surface are the side surfaces of the first energy-absorbing block 22, and the included angle between the side surfaces of the first energy-absorbing block 22 and the bottom surface of the first energy-absorbing block 22 is 45 °. Specifically, the outer contour of the first energy absorbing block 22 is a thin isosceles trapezoid, the entire first energy absorbing block 22 is filled in the first accommodating cavity, and when an oblique collision occurs in which an included angle between the collision direction F and the top surface of the first energy absorbing block 22 is greater than or equal to 45 ° and smaller than 90 °, the first energy absorbing block 22 can absorb part of energy generated by the collision force and can effectively adjust the transmission direction of the collision force.

Further, referring to fig. 4, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, a reinforcing beam 24 is disposed on the second bottom plate 21. Specifically, the reinforcing beams 24 are fixed on the bottom surface of the second base plate 21 and extend to the edges of the left and right sides of the second base plate 21 along the length direction of the second base plate 21, where the number of the reinforcing beams 24 is determined by the width of the reinforcing beams 24, and the reinforcing beams 24 are preferably made of high-hardness square metal pipes, so that the energy-absorbing wall 20 can be ensured to bear and transmit impact force in a large area, the impact strength of the energy-absorbing wall 20 is improved, the energy-absorbing wall 20 is not increased by too much weight, and the weight of the multidirectional crash-proof energy-absorbing device 1 is ensured to be light.

Further, please refer to fig. 1 and fig. 7, as a specific embodiment of the multi-directional anti-collision energy-absorbing device provided by the present invention, the energy-absorbing box 40 includes a second skin and a second energy-absorbing block (not shown), wherein the second skin and the first bottom plate 10 enclose and form a second accommodating cavity, and at the same time, the first bottom plate 10 has an air hole 100, and the second energy-absorbing block is filled in the second accommodating cavity. Specifically, the outer contour of the whole energy-absorbing box 40 can be prismatic, cylindrical or elliptic cylindrical, and the like, and the second skin covers the outer side of the second energy-absorbing block, so that the second energy-absorbing block can be isolated from contacting with the external environment, the erosion of water vapor, rainwater, dust and the like to the second energy-absorbing block is effectively prevented, and the service life of the second energy-absorbing block is further prolonged; here, the second energy absorption block is a porous solid material, and is preferably made by stacking at least two aluminum foil honeycomb material pieces, wherein the energy absorption strength of the aluminum foil honeycomb material piece close to the second bottom plate 21 is smaller than that of the aluminum foil honeycomb material piece close to the first bottom plate 10, so that the whole energy absorption process of the energy absorption box 40 is more stable, and of course, according to specific situations and requirements, in other embodiments of the present invention, the second energy absorption block may also be a porous solid material piece made of foamed aluminum, acrylic corrugated paper, etc., and is not limited herein; the first base plate 10 is provided with a plurality of air holes 100 which are arranged in order, the air holes 100 are communicated with the second accommodating cavity, and the aperture of the air holes 100 is small, so that rainwater, dust and the like are not easy to invade into the second accommodating cavity, and the air explosion phenomenon can be effectively prevented from occurring in the process that the energy-absorbing box 40 is impacted to cause the telescoping deformation.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Multidirectional crashproof energy-absorbing device, its characterized in that includes:

the first bottom plate is used for connecting a protected object;

the energy absorption wall is arranged on one side of the first base plate in parallel at intervals and comprises a second base plate and a first energy absorption block, and the first energy absorption block is fixed on the second base plate;

the guide frame is connected to the interval between the first bottom plate and the second bottom plate and forms an accommodating space with the first bottom plate and the second bottom plate in an enclosing manner; and

and the energy absorption box is fixed on the first bottom plate and is accommodated in the middle of the accommodating space.

2. A multi-directional crash energy absorber according to claim 1 wherein said guide frame comprises:

one ends of the four bending pipes are respectively connected with four corners of the first bottom plate, and the other ends of the four bending pipes are respectively connected with four corners of the second bottom plate; and

four first supporting tubes are hinged to form two X-shaped supports, the two X-shaped supports are respectively distributed on two opposite sides of the energy absorption box, two opposite ends of each first supporting tube are connected with two end portions of the corresponding bending tube, and the bending angle of the corresponding bending tube faces towards the X-shaped supports on the same side of the corresponding bending tube.

3. A multi-directional crash energy absorber according to claim 2 wherein said guide frame further comprises:

and one end of the connecting piece is fixedly connected with the end part of the first supporting pipe, and the other end of the connecting piece is fixedly connected with the energy absorption box.

4. A multidirectional anti-collision energy-absorbing device as claimed in claim 3, wherein said first supporting tube is fastened to said bent tube, opposite ends of said bent tube are fastened to said first bottom plate and said second bottom plate respectively, and opposite ends of said bent tube are provided with grooves.

5. A multi-directional crash energy absorber according to claim 3 wherein said bellows comprises:

one end of the first pipe body is hinged with the first bottom plate; and

one end of the second pipe body is hinged to the second bottom plate, and the other end of the second pipe body is hinged to the other end of the first pipe body.

6. A multi-directional crash energy absorber according to claim 4 or 5 wherein said guide frame further comprises:

and the second supporting pipe or the supporting plate is fixedly connected between the two bent pipes, and the second supporting pipe or the supporting plate is adjacent to the first bottom plate, the second bottom plate and the X-shaped bracket.

7. A multi-directional crash energy absorber according to any one of claims 1 to 5 wherein said energy absorber wall further comprises:

the first skin covers the outer side of the first energy absorption block, and the cross section of the first skin is in an isosceles trapezoid shape.

8. The multi-directional anti-collision energy-absorbing device as claimed in claim 7, wherein the end face of the first energy-absorbing block far away from the second base plate is the top face of the first energy-absorbing block, the end face of the first energy-absorbing block close to the second base plate is the bottom face of the first energy-absorbing block, the end face of the first energy-absorbing block connecting the top face and the bottom face is the side face of the first energy-absorbing block, and the included angle between the side face of the first energy-absorbing block and the bottom face of the first energy-absorbing block is 45 °.

9. A multi-directional crash energy absorber according to claim 7 wherein said second floor has a reinforcement beam disposed thereon.

10. A multi-directional crash energy absorber according to claim 7 wherein said energy absorber box comprises:

the second skin and the first bottom plate are enclosed to form a second accommodating cavity, and the first bottom plate is provided with an air hole; and

and the second energy absorption block is filled in the second accommodating cavity.

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