CN107499265B

CN107499265B - Automobile impact buffering system and method

Info

Publication number: CN107499265B
Application number: CN201611255277.4A
Authority: CN
Inventors: 汪超; 李凌钰; 徐慧; 欧谊; 郭建武
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2016-12-30
Filing date: 2016-12-30
Publication date: 2020-05-05
Anticipated expiration: 2036-12-30
Also published as: CN107499265A

Abstract

The invention relates to an automobile impact buffer system and a method, wherein a limit space barrier beam is arranged at the rear end of a main beam, a horizontal viscous damper is arranged at the inner side of the limit space barrier beam, an impact buffer device is arranged at the front end of the horizontal viscous damper, an impact force is blocked by an anti-collision block, after the anti-collision block is impacted, the external front end buffer spring, the external rear end buffer spring, the internal front end buffer spring and the internal rear end buffer spring are used for buffering the impact, the horizontal viscous damper and the limit space barrier beam are used for realizing the limit and further buffer, under the fixing action of the main beam and the cross beam, the impact buffer and reduction are realized, the sensitivity is high, the real-time defense is realized, the failure can not occur after the installation, the buffer is realized by using the pure mechanical principle, the overall cost is lower, but the height is high, the integral vehicle-mounted, the service life is long, the safety factor of the buffer, the safe driving coefficient of the automobile is improved, and the harm caused by accidents is reduced.

Description

Automobile impact buffering system and method

Technical Field

The invention relates to the field of machinery, in particular to an automobile impact buffering system and method.

Background

At present, automobiles have been moved into thousands of households, and become a vehicle which is unnecessary and few when people go out daily. Today, with the development of technology, the safety technology of automobiles is becoming mature. The automobile has many active defense measures, including braking, safety belt unfastening prompt, overspeed prompt, safety prompt with lamps, cold and hot air comfortable driving equipment and other safety equipment, and these equipment or electronic prompt provide necessary safety guarantee and safety service for the driver to drive the automobile.

However, there are many factors that are difficult to predict during the travel of the vehicle. The factors comprise whether the self vehicle condition is good or not, whether the road surface condition is good or not, whether the self driving condition and the driving condition of other vehicles are good or not and the like, once an emergency occurs, an inevitable car accident occurs, and the car accident is light or heavy, so that the property and personal safety of a driver or other drivers are influenced to a certain extent. In severe cases, even the life of the driver is endangered, with irreparable consequences.

Some devices for passive defense and active defense are also available in the market to prevent car accidents or reduce loss after car accidents occur, such as airbags on automobiles and front car distance detection automatic braking systems and the like arranged on some high-end automobiles, but the devices have low sensitivity, some passive defences are lagged, some high-cost devices are difficult to popularize and popularize, and some problems caused by failures or faults occur.

In conclusion, the invention provides the automobile impact buffering system and the method which have the advantages of simple structure, convenience in operation, mechanized hardware arrangement, high working and operating efficiency, lower cost, high safety factor, low failure rate, long service life, firmness, real-time defense, high sensitivity and simple method, and have wide market prospect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the automobile impact buffering system and the method which have the advantages of simple structure, convenience in operation, mechanized hardware arrangement, high working and operating efficiency, lower cost, high safety coefficient, low failure rate, long service life, firmness, real-time defense, high sensitivity and simple method, and are used for overcoming various defects in the prior art.

The specific technical scheme of the invention is as follows: the utility model provides an automobile impact buffer system, includes the girder, sets up the crossbeam at the girder front end, the girder rear end set up spacing roof beam of limiting, horizontal viscous damper is installed to spacing inboard of spacing roof beam, the front end of horizontal viscous damper is provided with striking buffer.

The collision buffer device comprises a collision prevention block, a movable groove is formed in the collision prevention block, the cross beam is movably mounted in the movable groove, an inner front end buffer spring and an inner rear end buffer spring are arranged between the movable groove and the cross beam, the collision prevention block is of an I-shaped block structure, the movable groove is formed in the middle of the collision prevention block, and an outer front end buffer spring and an outer rear end buffer spring are respectively mounted between the middle of the collision prevention block and the cross beam.

The main beam and the cross beam are connected to form an N-shaped structure, the length and the width of the cross beam are equal to those of the space limiting barrier beam, and the main beam, the cross beam and the space limiting barrier beam are all square hollow tubular structures supported by square steel.

The horizontal viscous damper is fixedly installed at the center of the rear part of the anti-collision block, at least one movable groove can be arranged on the anti-collision block, the height of the movable groove is not less than that of the cross beam, and the width of the movable groove is four times that of the cross beam.

The four inner front end buffer springs and the four inner rear end buffer springs are symmetrically distributed in the movable grooves in the front side and the rear side of the beam.

The outer front end buffer springs and the outer rear end buffer springs are two, and the two outer front end buffer springs and the two outer rear end buffer springs are equally and symmetrically distributed between the two sides of the cross beam and the middle section of the anti-collision block of the I-shaped structure.

The front end of the anti-collision block is of an arc-shaped structure.

The impact buffering method of the automobile impact buffering system comprises the following steps: utilize the anticollision piece to block the impact, receive the striking after the anticollision piece, utilize outside front end buffer spring, outside rear end buffer spring, inside front end buffer spring and inside rear end buffer spring to realize the buffering to the striking, utilize horizontal viscous damper and spacing separation roof beam to realize spacing and further buffering simultaneously, under the fixed action of girder and crossbeam, realize the striking buffering and subduct.

The invention has the following positive effects: the invention has simple structure and convenient operation, mechanical equipment is added on the main beam of the automobile to buffer and reduce the impact, the anti-collision block is used for blocking the impact force, after the anti-collision block is impacted, the external front end buffer spring, the external rear end buffer spring, the internal front end buffer spring and the internal rear end buffer spring are used for buffering the impact, the horizontal viscous damper and the limiting barrier beam are used for limiting and further buffering, the impact buffering and reduction are realized under the fixing action of the main beam and the cross beam, the integral structure is simple, the sensitivity is high, the real-time defense is realized, the buffer is realized by using the pure mechanical principle after the installation, the integral cost is lower, but the safety coefficient is high, the integral vehicle-mounted is mounted with the automobile, the service life is long, the buffer failure or the failure caused by the failure of the electronic equipment is avoided, and the safe driving coefficient of the automobile is improved, the damage caused by accidents is reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

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

Fig. 3 is a schematic side view of the anti-collision block of the present invention.

FIG. 4 is a schematic diagram of the internal structure of the present invention.

FIG. 5 is a second schematic diagram of the internal structure of the present invention.

FIG. 6 is a schematic side view of the present invention.

FIG. 7 is a second schematic side view of the present invention.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, and 7, an automobile impact buffering system includes a main beam 1, and a cross beam 2 disposed at the front end of the main beam 1, wherein a limiting blocking beam 3 is disposed at the rear end of the main beam 1, a horizontal viscous damper 4 is mounted inside the limiting blocking beam 3, and an impact buffering device is disposed at the front end of the horizontal viscous damper 4.

The collision buffer device comprises a collision prevention block 5, a movable groove 6 is formed in the collision prevention block 5, a cross beam 2 is movably mounted in the movable groove 6, an inner front end buffer spring 9 and an inner rear end buffer spring 10 are arranged between the movable groove 6 and the cross beam 2, the collision prevention block 5 is of an I-shaped block structure, the movable groove 6 is arranged in the middle of the collision prevention block 5, and an outer front end buffer spring 7 and an outer rear end buffer spring 8 are respectively mounted between the middle of the collision prevention block 5 and the cross beam 2. The main beam 1 and the cross beam 2 are connected to form an N-shaped structure, the length and the width of the cross beam 2 are equal to those of the limiting separation beam 3, and the main beam 1, the cross beam 2 and the limiting separation beam 3 are of square hollow tubular structures supported by square steel. The horizontal viscous damper 4 is fixedly arranged at the center of the rear part of the anti-collision block 5, at least one movable groove 6 can be arranged on the anti-collision block 5, the height of the movable groove 6 is not less than that of the cross beam 2, and the width of the movable groove 6 is four times that of the cross beam 2. The four inner front end buffer springs 9 and the four inner rear end buffer springs 10 are symmetrically distributed in the movable grooves 6 on the front side and the rear side of the cross beam 2. The two outer front end buffer springs 7 and the two outer rear end buffer springs 8 are equally and symmetrically distributed between the two sides of the cross beam 2 and the middle section of the anti-collision block 5 with the I-shaped structure. The front end of the anti-collision block 5 is of an arc-shaped structure.

The impact buffering method of the automobile impact buffering system is characterized by comprising the following steps: utilize anticollision piece 5 to block the impact, receive the striking back at anticollision piece 5, utilize outside front end buffer spring 7, outside rear end buffer spring 8, inside front end buffer spring 9 and inside rear end buffer spring 10 to realize the buffering to the striking, utilize horizontal viscous damper 4 and spacing separation roof beam 3 to realize spacing and further buffering simultaneously, under the fixed action of girder 1 and crossbeam 2, realize the striking buffering and subduct.

When the anti-collision buffer system is used specifically, the anti-collision block 5 is made of a rubber block or other elastic materials, the arc-shaped surface structure of the anti-collision block 5 faces the front end of an automobile, the anti-collision buffer system can be mounted at the front end and the rear end of the automobile during mounting, and the arc-shaped surface of the anti-collision block 5 is mounted beyond the rear during rear mounting. When the collision happens, the arc-shaped face at the front end of the anti-collision block 5 is contacted, the collision force is transmitted to the direction of the limiting blocking beam 3 instantly, and the damage caused by the collision is reduced under the high-quality buffering and reducing effect of the horizontal viscous damper 4. Meanwhile, after the collision, the position of the anti-collision block 5 changes, and an internal front end buffer spring 9 and an internal rear end buffer spring 10 are arranged on the front side and the rear side of the cross beam 2 in the movable groove 6, so that the effects of reducing collision and absorbing collision of the springs are achieved. In addition, an external front end buffer spring 7 and an external rear end buffer spring 8 are arranged between the middle position of the anti-collision block 5 of the I-shaped structure and the cross beam 2 to assist in absorbing impact force, impact force is absorbed from three aspects, triple anti-collision buffer effects are realized, safety factors in automobile running are greatly improved, damage of the automobile in accidents is reduced, and good protection effects are achieved on property and life safety of drivers.

The invention has simple structure, low cost of the whole equipment, easy popularization, high sensitivity, no failure and fault and good social and economic significance, and realizes impact buffering by utilizing the mechanical buffering principle on the premise of not changing the whole structure of the automobile.

Claims

1. The utility model provides a car striking buffer system, includes girder (1), sets up crossbeam (2) at girder (1) front end, its characterized in that: the rear end of the main beam (1) is provided with a limit position separation beam (3), the inner side of the limit position separation beam (3) is provided with a horizontal viscous damper (4), and the front end of the horizontal viscous damper (4) is provided with an impact buffer device; the collision buffer device comprises a collision prevention block (5), a movable groove (6) is formed in the collision prevention block (5), a cross beam (2) is movably arranged in the movable groove (6), an internal front end buffer spring (9) and an internal rear end buffer spring (10) are arranged between the movable groove (6) and the cross beam (2), the collision prevention block (5) is of an I-shaped block structure, the movable groove (6) is formed in the middle of the collision prevention block (5), and an external front end buffer spring (7) and an external rear end buffer spring (8) are respectively arranged between the middle of the collision prevention block (5) and the cross beam (2); the main beam (1) and the cross beam (2) are connected to form an N-shaped structure, the length and the width of the cross beam (2) are equal to those of the spacing beam (3), and the main beam (1), the cross beam (2) and the spacing beam (3) are of square hollow tubular structures supported by square steel; the horizontal viscous damper (4) is fixedly arranged at the center of the rear part of the anti-collision block (5), at least one movable groove (6) can be arranged on the anti-collision block (5), the height of the movable groove (6) is not less than that of the cross beam (2), and the width of the movable groove (6) is four times that of the cross beam (2); the four inner front-end buffer springs (9) and the four inner rear-end buffer springs (10) are equally and symmetrically distributed in the movable grooves (6) on the front side and the rear side of the cross beam (2); the two outer front end buffer springs (7) and the two outer rear end buffer springs (8) are equally and symmetrically distributed between the two sides of the cross beam (2) and the middle section of the anti-collision block (5) with the I-shaped structure; the front end of the anti-collision block (5) is of an arc-shaped structure.

2. A crash cushion method of a vehicle crash cushion system according to claim 1, wherein the method comprises the steps of: utilize anticollision piece (5) to block the impact, receive the striking back in anticollision piece (5), utilize outside front end buffer spring (7), outside rear end buffer spring (8), inside front end buffer spring (9) and inside rear end buffer spring (10) to realize the buffering to the striking, utilize horizontal viscous damper (4) and limit to hinder spacing roof beam (3) to realize spacing and further buffering simultaneously, under the fixed action of girder (1) and crossbeam (2), realize the striking buffering and subdue.