阅读说明：本技术 一种车载吸能防撞缓冲器 (Vehicle-mounted energy-absorbing anti-collision buffer ) 是由 刘拥辉 朱真 吴海舰 程宏飞 史依娜 金元群 林荣剑 于 2021-09-15 设计创作，主要内容包括：本发明属于防撞缓冲设备技术领域,具体涉及一种车载吸能防撞缓冲器,包括用于连接被防护物的第一固定板、用于接受外物撞击的缓冲壁和吸能机构,缓冲壁的端面设置有橡胶缓冲层,缓冲壁包括第二固定板和缓冲复合结构材料,第二固定板平行且间隔设置于第一固定板的一侧,缓冲复合结构材料固定于第二固定板的远离第一固定板的表面上,吸能机构连接于第一固定板和第二固定板之间,吸能机构包括两个缓冲组件,其中一个缓冲组件与第一固定板紧固连接,另一个缓冲组件与第二固定板紧固连接,两个缓冲组件相互连接,且靠近第一固定板的缓冲组件的吸能强度大于靠近第二固定板的缓冲组件的吸能强度。(The invention belongs to the technical field of anti-collision buffer equipment, and particularly relates to a vehicle-mounted energy-absorbing anti-collision buffer, which comprises a first fixing plate, a buffer wall and an energy-absorbing mechanism, wherein the first fixing plate is used for connecting a protected object, the buffer wall is used for receiving the impact of a foreign object, the end surface of the buffer wall is provided with a rubber buffer layer, the buffer wall comprises a second fixing plate and a buffer composite structure material, the second fixing plate is arranged on one side of the first fixing plate in parallel and at intervals, the buffer composite structure material is fixed on the surface of the second fixing plate, which is far away from the first fixing plate, the energy-absorbing mechanism is connected between the first fixing plate and the second fixing plate, the energy-absorbing mechanism comprises two buffer components, one of the buffer components is fixedly connected with the first fixed plate, the other buffer component is fixedly connected with the second fixed plate, the two buffer components are mutually connected, and the energy-absorbing strength of the buffer component close to the first fixing plate is greater than that of the buffer component close to the second fixing plate.)

1. The utility model provides a vehicle-mounted energy-absorbing anticollision buffer which characterized in that: the energy absorption device comprises a first fixing plate (1) used for being connected with a protected object, a buffer wall (2) used for receiving impact of a foreign object and an energy absorption mechanism (3), wherein a rubber buffer layer is arranged on the end face of the buffer wall (2), the buffer wall (2) comprises a second fixing plate (4) and a buffer composite structure material (5), the second fixing plate (4) is arranged on one side of the first fixing plate (1) in parallel and at intervals, the buffer composite structure material (5) is fixed on the surface of the second fixing plate (4) far away from the first fixing plate (1), the energy absorption mechanism (3) is connected between the first fixing plate (1) and the second fixing plate (4), the energy absorption mechanism (3) comprises two buffer components (6), a plurality of aluminum pipes are arranged in the buffer components (6), and one of the buffer components (6) is fastened and connected with the first fixing plate (1), the other buffer assembly (6) is fixedly connected with the second fixing plate (4), the two buffer assemblies (6) are connected with each other, and the energy-absorbing strength of the buffer assembly (6) close to the first fixing plate (1) is greater than that of the buffer assembly (6) close to the second fixing plate (4).

2. The vehicle-mounted energy-absorbing crash cushion of claim 1, wherein: the protection frame is installed to the periphery of buffering subassembly (6), and the protection frame is including installing side frame (8) in buffering subassembly (6) side and installing upper ledge (9) at terminal surface about buffering subassembly (6), and the both ends of upper ledge (9) are connected with side frame (8) respectively, and upper ledge (9) include two crisscross backup pads (10).

3. The vehicle-mounted energy-absorbing crash cushion of claim 1, wherein: the cushioning composite structural material (5) comprises the following four materials: two steel sheet (11) that 5mm is thick, support round steel bar (12), polyurethane foam (13) and rubber column (14) and set up between two steel sheet (11) that 5mm is thick, and support round steel bar (12) and rubber column (14) through setting up the structural framework who forms combined material between two steel sheet (11) that 5mm is thick.

4. The vehicle-mounted energy-absorbing crash cushion of claim 1, wherein: be provided with damping spring between buffer wall (2) and second fixed plate (4), damping spring adopts high strength, and the spring steel of high rigidity makes, can cushion the energy that the striking impact produced the very first time when the striking takes place.

Technical Field

The invention relates to the technical field of anti-collision buffer equipment, in particular to a vehicle-mounted energy-absorbing anti-collision buffer.

Background

With the rapid development of the economy of China, the construction of roads is continuously increased. The working vehicle with the anti-collision buffer device mounted at the tail part is usually placed in a road construction area, once a rear-end collision accident happens, the anti-collision buffer device can construct an effective buffer area in an accident construction working area, the collision kinetic energy of the accident vehicle is absorbed through the anti-collision buffer device, and huge property loss and casualties are avoided.

At present, in order to meet the requirements of severe impact conditions (large vehicle mass, large impact speed, large impact kinetic energy and the like), two-stage anti-collision buffer devices with two-stage energy absorption strength (crushing strength) are generally installed at the tail parts of working vehicles, however, when the working vehicles are impacted obliquely, the anti-collision buffer devices cannot deform according to the preset assumed conditions, so that the energy absorption performance is greatly reduced, even the working vehicles fail, and great danger is brought.

Disclosure of Invention

The invention aims to provide a vehicle-mounted energy-absorbing anti-collision buffer, which solves the problem of low energy-absorbing performance through a buffer wall and an energy-absorbing mechanism.

The purpose of the invention is realized as follows: a vehicle-mounted energy-absorbing anti-collision buffer comprises a first fixed plate, a buffer wall and an energy-absorbing mechanism, wherein the first fixed plate is used for connecting a protected object, the buffer wall is used for receiving impact of a foreign object, the end face of the buffer wall is provided with a rubber buffer layer, the buffer wall comprises a second fixed plate and a buffer composite structure material, the second fixed plate is arranged on one side of the first fixed plate in parallel at intervals, the buffer composite structure material is fixed on the surface of the second fixed plate far away from the first fixed plate, the energy-absorbing mechanism is connected between the first fixed plate and the second fixed plate, the energy-absorbing mechanism comprises two buffer components, a plurality of aluminum pipes are arranged in each buffer component, one of the buffer components is fixedly connected with the first fixed plate, the other buffer component is fixedly connected with the second fixed plate, and the two buffer components are connected with each other, and the energy-absorbing strength of the buffer assembly close to the first fixing plate is greater than that of the buffer assembly close to the second fixing plate.

Preferably, the periphery of the buffer assembly is provided with a protection frame, the protection frame comprises a side frame arranged on the side surface of the buffer assembly and an upper frame arranged on the upper end surface and the lower end surface of the buffer assembly, two ends of the upper frame are respectively connected with the side frame, and the upper frame comprises two crossed supporting plates.

Preferably, the cushioning composite structural material comprises the following four materials: two steel sheets that 5mm is thick, support round steel bar, polyurethane foam and rubber column setting between two steel sheets that 5mm is thick, and support round steel bar and rubber column through setting up the structural framework who forms combined material between two steel sheets that 5mm is thick.

Preferably, a damping spring is arranged between the buffer wall and the second fixing plate, and the damping spring is made of high-strength and high-hardness spring steel and can buffer energy generated by impact at the first time when the impact occurs.

Compared with the prior art, the invention has the outstanding and beneficial technical effects that:

according to the invention, through the design of the buffer wall and the energy absorption mechanism, when an oblique collision occurs, the transmission direction of the impact force is primarily adjusted and part of energy generated by the impact force is absorbed through the energy absorption wall, and then the transmission direction of the impact force is further guided and corrected through the two energy absorption components, so that the residual energy generated by the impact force acts on the energy absorption mechanism and is absorbed by the energy absorption mechanism, and further the safety of vehicles and drivers and passengers is ensured, thereby effectively solving the technical problem of poor energy absorption performance when the two-stage anti-collision buffer device is impacted obliquely, and improving the oblique buffer capacity of the two-stage anti-collision buffer device.

Drawings

Fig. 1 is a schematic view of a crash cushion.

Fig. 2 is a schematic top view of a cushioning composite structural material.

Fig. 3 is a schematic front view of a buffer composite structure material.

Reference numerals: 1-a first fixing plate; 2-a buffer wall; 3-an energy absorbing mechanism; 4-a second fixing plate; 5-a cushioning composite structural material; 6-a buffer component; 8-side frame; 9-an upper frame; 10-a support plate; 11-a steel plate; 12-supporting round steel bars; 13-polyurethane foam; 14-rubber column.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

With specific reference to fig. 1, a vehicle-mounted energy-absorbing anti-collision buffer comprises a first fixing plate 1 for connecting a protected object, a buffer wall 2 for receiving impact of a foreign object, and an energy-absorbing mechanism 3, wherein a rubber buffer layer is arranged on an end face of the buffer wall 2, the buffer wall 2 comprises a second fixing plate 4 and a buffer composite structure material 5, the second fixing plate 4 is arranged in parallel at one side of the first fixing plate 1 at intervals, the buffer composite structure material 5 is fixed on a surface of the second fixing plate 4 far away from the first fixing plate 1, the energy-absorbing mechanism 3 is connected between the first fixing plate 1 and the second fixing plate 4, the energy-absorbing mechanism 3 comprises two buffer components 6, a plurality of aluminum tubes are arranged in the buffer components 6 in an array manner, one of the buffer components 6 is fixedly connected with the first fixing plate 1, and the other of the buffer components 6 is fixedly connected with the second fixing plate 4, the two buffer components 6 are connected with each other, and the energy absorption strength of the buffer component 6 close to the first fixing plate 1 is greater than that of the buffer component 6 close to the second fixing plate 4.

Specifically referring to fig. 1, a protection frame is mounted on the periphery of the buffer assembly 6, the protection frame includes a side frame 8 mounted on the side surface of the buffer assembly 6 and an upper frame 9 mounted on the upper and lower end surfaces of the buffer assembly 6, two ends of the upper frame 9 are respectively connected to the side frame 8, and the upper frame 9 includes two crossed support plates 10.

With reference to fig. 2 and 3, the cushioning composite structure material 5 includes the following four materials: two steel sheet 11, support round steel bar 12, polyurethane foam 13 and the rubber column 14 that 5mm is thick, support round steel bar 12, polyurethane foam 13 and rubber column 14 and set up between two steel sheet 11 that 5mm is thick, and support round steel bar 12 and rubber column 14 through setting up the structural framework who forms combined material between two steel sheet 11 that 5mm is thick.

Referring to fig. 2 and 3, a damping spring is disposed between the buffer wall 2 and the second fixing plate 4, and the damping spring is made of high-strength and high-hardness spring steel, and can buffer energy generated by impact at the first time when the impact occurs.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.