CN113715763A

CN113715763A - Vehicular anticollision buffer

Info

Publication number: CN113715763A
Application number: CN202010451048.XA
Authority: CN
Inventors: 刘青峰
Original assignee: Hausco Safety Equipment Suzhou Co ltd
Current assignee: Hausco Safety Equipment Suzhou Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2021-11-30

Abstract

The invention discloses a vehicle-mounted anti-collision buffer device which is characterized by comprising a front end plate, a primary buffer box body, a secondary buffer box body and a tail mounting plate for connecting with an automobile, wherein push rods are fixedly connected to two sides of the back surface of the front end plate, a primary buffer spring is sleeved outside the push rods, two ends of the primary buffer spring are respectively and fixedly connected with the primary buffer box body and the front end plate, cavities are formed in two sides of the interior of the primary buffer box body, the push rods extend into the corresponding cavities, the bottoms of the cavities are connected with movable blocks through pressure springs, push heads are mounted at the end parts of the push rods, and the push heads correspond to the movable blocks. The invention realizes the multi-stage buffering of the impact force, has better energy absorption effect compared with the traditional anti-collision buffering device, can bear higher limit of the impact force, and ensures the safety of personnel in a front accident area or a construction area.

Description

Vehicular anticollision buffer

Technical Field

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

Background

Along with the high-speed development of economy in China, the road construction is increased, in order to reduce accidental injuries caused by traffic accidents and guarantee the safety of people and property to the maximum extent, the anti-collision buffer vehicle is suitable for transportation. The anti-collision buffer vehicle is mainly applied to mobile maintenance operation, temporary road construction and traffic accident handling and rescue sites of roads such as expressways, urban expressways, elevated roads, overpasses and the like, and aims to protect personnel and construction equipment on the construction or rescue sites from surrounding traffic hazards, avoid secondary accidents and greatly reduce the degree of casualties of vehicles of accident-causing people.

At present, anticollision buffer can all install anticollision buffer, but current anticollision buffer can only once cushion the shock attenuation when bearing the clash, and the energy-absorbing effect is relatively poor, is difficult to bear multistage impact force, is difficult to guarantee the regional personnel's of accident in the front of the car security or construction region.

Disclosure of Invention

In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a vehicle-mounted crash cushion for solving the problems mentioned in the background of the invention.

In order to achieve the above and other related objects, the invention provides a vehicle-mounted anti-collision buffer device, which is characterized by comprising a front end plate, a primary buffer box body, a secondary buffer box body and a tail mounting plate for connecting with an automobile, wherein push rods are fixedly connected to two sides of the back surface of the front end plate, a primary buffer spring is sleeved outside each push rod, two ends of each primary buffer spring are respectively and fixedly connected with the primary buffer box body and the front end plate, cavities are formed in two sides of the interior of the primary buffer box body, each push rod extends into the corresponding cavity, the bottom of each cavity is connected with a movable block through a pressure spring, a push head is mounted at the end part of each push rod, and each push head corresponds to the corresponding movable block;

the afterbody of one-level buffer box installation is installed in the second grade baffle-box, it has honeycomb core group to fill between the bottom of one-level buffer box and the bottom of second grade baffle-box inner chamber, the central authorities of honeycomb core group leave the space, are equipped with the support column in this space, support column fixed mounting is in the bottom of second grade baffle-box, and its other end passes one-level buffer box and at tip fixedly connected with anticollision board, the outside cover of support column is equipped with second grade buffer spring, second grade buffer spring's both ends respectively with the bottom of one-level buffer box and the bottom fixed connection of second grade baffle-box inner chamber.

Preferably, the both sides of one-level buffer box body are connected with the slip rectangular, set up the spout with the rectangular looks adaptation of slip on the both sides wall of second grade buffer box body inner chamber.

Preferably, a groove is formed in the front end face of the primary buffer box body, the anti-collision plate is installed in the groove, and the primary buffer box body is clamped and fixed between the anti-collision plate and the honeycomb core group in a normal state.

Preferably, the honeycomb core group is an aluminum honeycomb plate, the honeycomb core group is formed by bonding or welding multiple layers of aluminum foils, the cross section of the honeycomb core group is honeycomb-shaped, and the central axis of each honeycomb hole is perpendicular to the primary buffer box body.

Preferably, the anti-collision plate comprises a front plate and a rear plate, the front plate is connected with the rear plate through a damping spring, and the bottom of the rear plate is fixedly connected with the supporting column.

Preferably, the front end face of the front end plate is provided with a warning mark in an attached mode, and indicator lamps are further mounted on two sides of the front end face of the front end plate.

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

the invention arranges a push rod between the front end plate and the first-stage buffer box body, and arranges a honeycomb core group between the first-stage buffer box body and the second-stage buffer box body, when the collision occurs, the front end plate is firstly impacted, after the front end plate is stressed, the push rod moves backwards in the cavity and presses against the movable block, at the moment, the first-stage buffer spring and the compression spring are compressed, the first-stage buffer is carried out by the front end plate and the first-stage buffer box body, because the bottom of the first-stage buffer box body is contacted with the honeycomb core group, when the subsequent impact force continuously presses the first-stage buffer box body to move backwards, the honeycomb core group starts to collapse and deform to absorb the impact kinetic energy on the front side, at the moment, the second-stage buffer spring is compressed to better offset the impact residual force, simultaneously, the anti-collision plate is ejected forwards relative to the first-stage buffer box body and presses against the front end plate from the rear end to play the role of auxiliary buffer and shock absorption, the device realizes the multi-stage buffer of the impact force, the energy-absorbing effect is better than traditional anticollision buffer, and the limit that can bear the impact force is higher, has guaranteed the regional personnel's of accident in the front of the car security of construction region.

Drawings

The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the invention in a preliminary state after impact;

FIG. 4 is a schematic view of a further condition of the invention after impact;

FIG. 5 is a schematic cross-sectional view of a secondary buffer tank according to the present invention;

fig. 6 is a schematic structural view of the impact plate of the present invention.

Wherein the reference numerals are specified as follows:

the front end plate 100, the push rod 110, the primary buffer spring 120, the push head 130, the warning mark 140 and the indicator light 150;

the buffer box comprises a primary buffer box body 200, a cavity 210, a pressure spring 220, a movable block 230, a sliding strip 240 and a groove 250;

the secondary buffer box body 300, the honeycomb core group 310, the supporting column 320, the secondary buffer spring 330, the anti-collision plate 340, the front plate 341, the rear plate 342, the damping spring 343 and the sliding groove 350;

the tail mounting plate 400.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used to limit the conditions and conditions of the present disclosure, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

As shown in fig. 1 and 2, the invention provides a vehicle-mounted anti-collision buffer device, which comprises a front end plate 100, a primary buffer box 200, a secondary buffer box 300 and a tail mounting plate 400 for connecting with an automobile, push rods 110 are fixedly connected to two sides of the back surface of the front end plate 100, a primary buffer spring 120 is sleeved outside the push rods 110, two ends of the primary buffer spring 120 are respectively fixedly connected with the primary buffer box 200 and the front end plate 100, cavities 210 are formed in two sides of the interior of the primary buffer box 200, the push rods 110 extend into the corresponding cavities 210, the bottom of the cavities 210 is connected with movable blocks 230 through compression springs 220, push heads 130 are mounted at the ends of the push rods 110, and the push heads 130 correspond to the movable blocks 230.

Install in second grade buffering box 300 as the afterbody of fig. 2 and 5 first-level buffering box 200 installation, it has honeycomb core group 310 to fill between the bottom of first-level buffering box 200 and the bottom of second grade buffering box 300 inner chamber, the space is left at the central authorities of honeycomb core group 310, be equipped with support column 320 in this space, support column 320 fixed mounting is in the bottom of second grade buffering box 300, and its other end passes first-level buffering box 200 and at tip fixedly connected with crashproof board 340, the outside cover of support column 320 is equipped with second grade buffer spring 330, the both ends of second grade buffer spring 330 respectively with the bottom of first-level buffering box 200 and the bottom fixed connection of second grade buffering box 300 inner chamber.

In this embodiment, the two sides of the first-stage buffer box 200 are connected to the sliding strip 240, and the two side walls of the inner cavity of the second-stage buffer box 300 are provided with sliding grooves 350 adapted to the sliding strip 240.

Further, a groove 250 is formed in the front end face of the first-stage buffer box body 200, the anti-collision plate 340 is installed in the groove 250, and in a normal state, the first-stage buffer box body 200 is clamped and fixed between the anti-collision plate 340 and the honeycomb core group 310.

Through the above technical solution, the sliding strip 240 and the sliding groove 350 are provided to move more smoothly into the second-stage buffering box 300 when the first-stage buffering box 200 cannot bear the impact force, so that the honeycomb core assembly 310 receives the impact in the vertical direction. And under normal condition, in order to prevent that one-level buffer box 200 from rocking, the bottom of anticollision board 340 and the bottom contact of recess 250 for one-level buffer box 200 receives the clamping action, improves stability.

In this embodiment, as shown in fig. 5, the honeycomb core set 310 is an aluminum honeycomb plate formed by bonding or welding a plurality of layers of aluminum foils, the cross section of the honeycomb core set is honeycomb-shaped, and the central axis of each honeycomb hole is perpendicular to the first-stage buffer box 200. The aluminum honeycomb plate can well absorb kinetic energy from vertical impact, and has good energy absorption effect and stable impact fluctuation.

In this embodiment, as shown in fig. 6, the anti-collision plate 340 includes a front plate 341 and a rear plate 342, the front plate 341 and the rear plate 342 are connected by a damping spring 343, and the bottom of the rear plate 342 is fixedly connected to the support column 320. When the anti-collision plate 340 is extruded, the damping spring 343 is compressed, which has the effect of auxiliary buffering.

In this embodiment, a warning mark 140 is attached to the front end surface of the front end plate 100, and indicator lights 150 are further installed on two sides of the front end surface of the front end plate 100 for reminding a vehicle behind to avoid detouring in time.

The working principle is as follows:

when impact occurs, the front end plate 100 is firstly impacted, the push rod 110 moves backwards in the cavity 210 after the front end plate 100 is stressed, the push head 130 starts to press against the movable block 230, the primary buffer spring 120 and the pressure spring 220 are compressed at the moment, the front end plate 100 and the primary buffer box body 200 perform primary buffering, because the bottom of the primary buffer box body 200 is contacted with the honeycomb core group 310, when the subsequent impact force continuously presses the primary buffer box body 200 to move backwards, the honeycomb core group 310 starts to collapse and deform to absorb the impact kinetic energy at the front side, the secondary buffer spring 330 is compressed to better offset the impact residual force, meanwhile, the anti-collision plate 340 pushes forwards relative to the primary buffer box body 200 and pushes against the front end plate 100 from the rear end, the shock-absorbing spring 343 is compressed to play a role in assisting buffering and shock absorption, the device realizes multi-stage buffering of impact force, and has a better energy absorption effect compared with the traditional anti-collision buffer device, the limit that can bear the impact force is higher, has guaranteed the security of the regional personnel of accident in the front of the car or construction region.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A vehicle-mounted anti-collision buffer device is characterized by comprising a front end plate, a primary buffer box body, a secondary buffer box body and a tail mounting plate, wherein the tail mounting plate is used for being connected with an automobile;

2. The vehicle-mounted anti-collision buffer device according to claim 1, characterized in that: the both sides of one-level buffer box are connected with the slip rectangular, set up the spout with the rectangular looks adaptation of slip on the both sides wall of second grade buffer box inner chamber.

3. The vehicle-mounted anti-collision buffer device according to claim 2, characterized in that: the front end face of the first-stage buffer box body is provided with a groove, the anti-collision plate is arranged in the groove, and the first-stage buffer box body is clamped and fixed between the anti-collision plate and the honeycomb core group in a normal state.

4. The vehicle-mounted anti-collision buffer device according to claim 1, characterized in that: the honeycomb core group is an aluminum honeycomb plate and is formed by bonding or welding multiple layers of aluminum foils, the cross section of the honeycomb core group is honeycomb-shaped, and the central axis of each honeycomb hole is perpendicular to the primary buffer box body.

5. The vehicle-mounted anti-collision buffer device according to claim 1, characterized in that: the anti-collision plate comprises a front plate and a rear plate, the front plate is connected with the rear plate through a damping spring, and the bottom of the rear plate is fixedly connected with the support column.

6. The vehicle-mounted anti-collision buffer device according to claim 1, characterized in that: the front end plate is characterized in that a warning mark is attached to the front end face of the front end plate, and indicator lamps are further mounted on two sides of the front end face of the front end plate.