CN2236982Y - Emergency braking device for motor vehicle - Google Patents

Abstract

The utility model relates to an emergency braking device for motor vehicle. The driving sleeve of a switch operating mechanism is supported on the jack which is on the rear shaft sleeve of a motor vehicle and drives a crawler type braking structure, or a crawler energy storage type braking structure, or a roller type braking structure, or a roller energy storage type braking structure, or a rake type braking structure or other braking structures. The kinetic energy of a vehicle can be changed into heat energy and elastic potential energy quickly by using fast energy consumption and energy accumulation to make the vehicle stop in time before striking obstacles and avoid the occurrence of the tragedies that the vehicle is destroyed and the persons are dead. The utility model is especially suitable for preventing the collisions of a plurality of vehicles on an expressway and has a reliable protection function for the emergencies that the traffic accidents are happened on the ice and snow road, the originally brake apparatus is out of control, the vehicle slides on a steep slope, vehicle wheels are bursted suddenly, etc.

Description

The urgent brake equipment of power actuated vehicle

The utility model relates to motor vehicle safety protection field, particularly a kind of urgent brake equipment of power actuated vehicle that can prevent safe and reliable at stake, in time that the car pot from taking place.

In the prior art, power actuated vehicle be by brake to after the car brakeing, realize preventing accidents such as colliding by the friction force that produces between the rubber tire of wheel and road surface.

Because the friction coefficient between wheel and the road surface can not be too big, run at high speed otherwise can influence, thus be easy to skid during sudden stop, and far sliding, cause accident generations such as bump.

Have report to have abroad and preset a capsule before the automobile headstock, moment inflates immediately before the bump, comes buffering collision of closed strength with " air bellow ", but still will mutual action take place with other vehicle or people etc., belongs to passive protection, inreal security insurance.

The purpose of this utility model is to overcome the deficiency of prior art, the technical scheme of utilizing the utility model to provide, fast power consumption and accumulation of energy (friction between content and the road surface) change the kinetic energy of vehicle into heat energy and elastic potential energy rapidly by this device in-to-in, vehicle is in time stopped in short as far as possible distance, not only initiatively protect and make vehicle itself obtain buffering, really reach the purpose of crashproof, buffering, insurance, safety.

The utility model is achieved by the following technical solution:

Manufacture and design a kind of urgent brake equipment of power actuated vehicle of bonded assembly switch, transmission device, " very heavy " and brake structure composition successively that mainly comprises, wherein:

Switch 27 is handled transmission device, drives " very heavy " 6 and drives stop mechanism;

" very heavy " cover props up on power actuated vehicle rear axle housing 12, can do movement in a curve around axle;

Brake structure can be structures such as crawler type, crawler belt energy-storage type, roller type, roller energy-storage type or rake formula.

Above-mentioned crawler type brake type structure, the metal track 8 that steel-tooth 9 is mainly arranged by two single faces, constitute with spring 7, metal track 8 one ends are connected with spring 7 on being fixed on car bottom girder 10, the other end with in establish the telescopic socket join structure of spring contacting to earth of " very heavy " 6 hold whippletree to be connected.

Above-mentioned crawler belt energy-storage type brake structure mainly is made of two strip metal crawler belts 8, damping thick stick 4, steel rope 3 and multi-turn leaf spring 2;

Metal track 8 tread surfaces have steel-tooth 9, and another side has horizontal rod 28, the one end with in establish the telescopic socket join structure of spring " very heavy " 6 contact to earth the end whippletree be connected, the other end is connected with steel rope 3;

Steel rope 3 one ends are connected with metal track 8 through damping thick stick 4, the other end be wrapped in the coaxial rotary drum 24 of multi-turn leaf spring 2 on.

Above-mentioned roller type brake structure, mainly hold concurrently band-type brake plate 18, transverse axis 21, rotating shaft 20, pull bar 16 and movable joint 22 of roller 17, the road maintenance plate that is supported by two " very heavy " 6 constitutes;

Roller 17 is fixed in the rotating shaft 20 of " very heavy " 6 bottoms by key 31, and the roller outer rim has steel-tooth 9;

Transverse axis 21 is on the section of stretching out of the front lower place of roller shaft " very heavy " 6;

The down flat road maintenance plate of going up circle band-type brake plate 18 inner faces of holding concurrently have densely covered file tooth 19, and the one end is fixed on the transverse axis 21, and the other end is being encircled anodontia section 30 of roller 17;

Pull bar one end is hinged in " very heavy " 6 lower ends, and the other end is hinged on car bottom girder 10.

Above-mentioned roller energy-storage type brake structure, except that with roller 17, " very heavy " 6, the road maintenance of roller type structure hold concurrently being provided with of band-type brake plate 18, rotating shaft 20 and transverse axis 21, pull bar 16, movable joint 22 identical, and increase steel rope 3, damping thick stick 4 and multi-turn leaf spring 2 and accumulation of energy railway carriage or compartment arranged;

Steel rope 3 one ends are wrapped in anodontia section of roller 17 through damping thick stick 4, the other end be wrapped in the coaxial rotary drum 24 of multi-turn leaf spring 2 on.

Above-mentioned rake formula brake structure mainly is made of two " very heavy " 6, the steel rake 23 that is fixed on " very heavy " 6 bottoms, pull bar 16 and movable joint 22;

Pull bar 16 1 ends are hinged on car bottom girder 10, and the other end connects " very heavy " 6 bottoms by movable joint 22;

The tread surface of steel rake 23 has steel-tooth 9.

The above-mentioned transmission device of being handled by switch 27 can be any drive mechanism of pneumatic type, DYN dynamic, fluid pressure type, inertia-activated formula or mechanical stretch formula.

Below in conjunction with accompanying drawing and example the utility model is further elaborated:

Fig. 1 is position form and the brake structure scheme drawing of this device on truck;

Fig. 2 is a crawler type brake structure scheme drawing;

Fig. 3 is a crawler belt energy-storage type brake structure scheme drawing;

Fig. 4 is crawler belt energy-storage type brake structure installation site and form schematic rear view;

Fig. 5 is a roller type brake structure scheme drawing;

Fig. 6 is a roller energy-storage type brake structure scheme drawing;

Fig. 7 is roller energy-storage type brake structure installation site and form schematic rear view;

Fig. 8 is a rake formula brake structure scheme drawing;

Fig. 9 is rake formula brake structure installation site and form schematic rear view.

Among the figure, 1 accumulation of energy case, 2 multi-turn leaf springs, 3 steel ropes, 4 damping thick sticks, 5 trailing wheels, 6 " very heavy ", 7 springs, 8 metal tracks, 9 steel-tooths, 10 bottom girders, 11 compartments (bucket), 12 rear axle housings, 13 joysticks, 14 whippletrees, 15 leaf springs, 16 pull bars (or steel rope), 17 rollers, 18 road maintenance plates hold concurrently horizontal rod, 29 road surfaces, 30 anodontia sections, 31 keys and the keyway of band-type brake plate, 19 file teeth, 20 rotating shafts, 21 transverse axis, 22 movable joints, 23 steel rake, 24 rotary drums, 25 front-wheels, 26 former brake pedals, 27 device switches, 28 metal track inner faces.

Course of action:

Automobile driver is after stepping on the former brake pedal 26 of motor vehicles, and car still stops, It is right to meet with a traffic accident soon, only needs again reinforcing to step on this device switch 27 (installation form difference The time also can manually boot switch 27) tend to act by pneumatic, electronic, hydraulic pressure, inertia immediately or The displacement action of any type of belt drive such as mechanical stretch and winding machine control stick 13 drives Moving " very heavy " that be in front hang 6 that is higher than about the 10cm of road surface falls around axle, and band Moving arrestment mechanism such as crawler belt 8 or roller 17, or steel rake 23 whereabouts, after road surface 29 contacts, profit At once their steel-tooth 9 is penetrated asphalt surface or scratches into cement pavement product with the vehicle body deadweight Give birth to huge frictional force or anchor force, change rapidly the kinetic energy of vehicle into heat energy or elastic potential Can, motor vehicles are stopped in as far as possible short distance, realize urgent braking, thereby and The time avoid the generation of traffic accident, reach the purpose of Pingan Insurance.

The brake force size can be in advance specified, also can be chain and artificial with existing brake apparatus Control.

The power consumption form of this device can be the friction work done, also can be overcome the damping work done (as Oil dampers etc.), accumulation of energy can realize with the spring of various types, and can be parts and reset and carry Energizing quantity all can will have motor vehicle now behind any brake structure in employing the utility model The distance that slides after the brake hard shortens significantly, if the resistance that produces between device and road surface Bigger 3 times than the resistance that produces between used tire and road surface, then its coasting distance only has originally 1/4 (skidding off the length of distance and the size of resistance is inversely proportional to) slide the 6m car such as original needs Just can stop, now only need slide 1.5m and just can stop safely, thereby can avoid clashing into 1.5m In addition, 6m can avoid car to ruin the people with the interior original car that certainly will clash into or people etc. effectively The generation of the tragedy of dying. With the hard hit between vehicle and the obstacle hit dissolve for vehicle and road surface it Between soft bump. , device allows the certain distance of vehicle mobile in the process because playing a role, Negative acceleration in the relatively rigid bump, car is much smaller, thereby the occupant is reached Article also play buffer protection function, make vehicle reach crashproof buffering and guarantee safe purpose.

The positive effect of this device and effect:

1, safe and reliable, economical, societal benefits are remarkable

Since broken through the circle of prior art " braking ", safe and reliable, if national machine Motor vehicle is all implemented present technique, and traffic accident will descend significantly, except drivining a car under the influence of alcohol generation Traffic accident outside, theoretically, all the other traffic accidents all can be avoided substantially, can reduce vehicle and damage, Casualties and property loss; Can reduce traffic jam; Minimizing brings because of traffic accident A large amount of aftermaths comprise the run away investigation work of case of accident, can suitably improve road speed Save time and the energy; Economic benefit and social benefit are unusually remarkable.

2, the scope of application is extensive

The various automobiles that are not only applicable to run at high speed, motorcycle, also applicable to motor-driven All motor vehicles such as tricycle, tractor.

This device is specially adapted to prevent on the highway, continuously collision accident of many automobiles The generation of many accidents on generation and the ice and snow road.

This device is malfunctioning to existing brake apparatus, and the steep downslide in slope easily causes pendant precipice, pendant river and wheel The emergencies such as the unexpected explosion of tire also have capable reliable protective effect only need in time open this dress Put switch, vehicle is stopped soon, just can turn danger into safety.

If this device switch is locked, fall " very heavy " and pinning during parking, also can rise anti-Robber's effect.

3, Comprehensive evaluation

This device utilizes the urgent braking in road surface, though can cause a small amount of pavement damage, general Use probability very low, because this device self has the function that prevents that the driver from gently anticipating and using, namely Need human assistance to reset and locking. Only have if it comes to the pinch and just can use, car or Perhaps, individual driver only can use several times, in life namely with the probability base that gets into an accident now This quite. Pavement damage can cheap be repaired, with this device can avoid or reduce huge It is inappreciable that big loss is compared.

Several examples below are provided:

1, crawler type brake structure

One end of crawler belt directly is fixed on the coil spring of chassis frame, when device is enabled, length is slightly larger than radius of wheel " very heavy " and falls, wheel raised about 3cm and crawler belt sent under the wheel by whippletree, " very heavy " is inclined to one side cross wheel shaft vertical line after, wheel just in time cane is pressed into the road surface with the steel-tooth below the crawler belt and produces very big friction coefficient on crawler belt, when car continues preshoot, crawler belt is strained top spring on one side, makes a small amount of buffering and consumes energy with pavement friction on one side, and car is stopped.Simple in structure, low cost, easy for installation.

2, crawler belt energy-storage type brake structure

On the basis of crawler type device, the lengthening track length, and an end of crawler belt is fixed on the steel rope, steel rope is wrapped on the rotary drum that has the multi-turn leaf spring by the damping thick stick, when device is enabled, steel-tooth on the crawler belt penetrates the road surface, wheel friction under the big friction coefficient of crawler belt upper surface was slided or is rolled under former pressure power and advance when car continued preshoot, crawler belt extends forward simultaneously, and pull out steel rope, want friction energy-dissipating between steel rope and the damping thick stick, the coaxial multi-turn leaf spring of rolling-in simultaneously, the rapid like this kinetic energy with vehicle changes the friction heat between wheel and the crawler belt into, and the friction heat between steel rope and the damping thick stick and the elastic potential energy of leaf spring are stopped car.Good buffer effect, the damage of road pavement is little, and it is also convenient to install.

3, roller type brake structure

This device is to drive the roller that there is special steel-tooth on the surface by " very heavy ", " very heavy " fell when device was enabled, roller contacts and raises vehicle body with the road surface, utilize the vehicle body deadweight that steel-tooth is penetrated the road surface, roller was forced to rotate when vehicle continued preshoot, this moment, roller will overcome the specified in advance powerful friction drag that is provided by friction lining or band-type brake and work done, the kinetic energy of vehicle is become heat energy and stops rapidly.Simple in structure, the road pavement damage is little.

4, roller type energy storing brake structure

This device is by " very heavy " but drives the roller that there is the lay winding wire ropes of special steel-tooth on the surface, steel rope then is wrapped on the concentric shafts of multi-turn leaf spring by the damping thick stick, " very heavy " fell when device was enabled, roller contacts and raises vehicle body with the road surface, utilize the vehicle body deadweight that steel-tooth is penetrated the road surface, when vehicle continues preshoot, roller is forced to rotate, self powerful friction force (being provided by pretension friction lining band-type brake etc.) will be provided on the one hand will roll out steel rope on the one hand, same steel rope should overcome the friction force work done of damping thick stick, the leaf spring of rolling-in multi-turn again and work done so change the kinetic energy of vehicle into heat energy and elastic potential energy rapidly, in time stop car.

Simple in structure, buffer capacity is strong, the damage of road pavement is little, cost is lower.

5, rake formula brake structure

This device is to drive the steel rake by " very heavy " to slide on the road surface, and produces between the road surface than friction force much bigger between wheel and the road surface, with the kinetic energy of car change into heat energy and ground-surface damaged can and stop rapidly.

Structure is the simplest, and crashworthiness is good, and it is also convenient to install.

Claims (7)

1, the urgent brake equipment of a kind of power actuated vehicle mainly comprises bonded assembly switch, transmission device, " very heavy " and brake structure successively, it is characterized in that:

1,1 switch (27) is handled transmission device driving " very heavy " (6) and is driven brake structure;

1,2 " very heavy " (6) cover props up on self-propelled vehicle rear axle housing (12);

1,3 brake structures can be crawler types, crawler belt energy-storage type, roller type, roller energy-storage type or rake formula structure.

2, device according to claim 1, it is characterized in that described crawler type brake structure, mainly there are the metal track (8) of steel-tooth (9) and spring (7) to constitute by two single faces, metal track (8) one ends are connected with spring (7) on being fixed on car bottom girder (10), and the other end is connected with the whippletree of the end that contacts to earth of " very heavy " (6).

3, device according to claim 1 is characterized in that described crawler belt energy-storage type brake structure, mainly is made of two strip metal crawler belts (8), damping thick stick (4), steel rope (3) and multi-turn leaf spring (2);

Metal track (8) one ends are connected with the whippletree of the end that contacts to earth of " very heavy " (6), and the other end is connected with steel rope (3);

Steel rope (3) one ends are connected with metal track (8) through damping thick stick (4), the other end around with the coaxial rotary drum (24) of multi-turn leaf spring (2) on;

Metal track (8) tread surface has steel-tooth (9) another side that horizontal rod (28) is arranged.

4, device according to claim 1, it is characterized in that described roller type brake structure, mainly hold concurrently band-type brake plate (18), transverse axis (21), rotating shaft (20), pull bar (16) and movable joint (22) formation of roller (17), the road maintenance plate that supports by two " very heavy " (6);

Roller (17) is fixed on by key (31) in the rotating shaft (20) of bottom, " very heavy " (6), and roller (17) outer rim has steel-tooth (9);

Transverse axis (21) is on the section of stretching out of the front lower place of roller shaft " very heavy " (6);

The down flat road maintenance plate of going up circle band-type brake plate (18) inner face of holding concurrently has densely covered file tooth (19), and the one end is fixed on the transverse axis (21), and the other end is around anodontia section (3) having roller (17) in arms;

Pull bar one end is hinged in lower end, " very heavy " (6), and the other end is hinged on car bottom girder (10).

5, device according to claim 1, it is characterized in that described roller energy-storage type brake structure, mainly hold concurrently band-type brake plate (18), rotating shaft (20) transverse axis (21), steel rope (3), damping thick stick (4) and multi-turn leaf spring (2), pull bar (16), movable joint (22) formation of roller (17), the road maintenance plate that supports by two " very heavy " (6);

Roller (17) is fixed on by key (31) in the rotating shaft (20) of bottom, " very heavy " (6), and roller (17) outer rim has steel-tooth (9);

Transverse axis (21) is on the section of stretching out of roller shaft front lower place " very heavy " (6);

Road maintenance plate band-type brake plate (18) the inner face file tooth (19) that gathers of holding concurrently, the one end is fixed on the transverse axis (21), and the other end is being encircled anodontia section of roller (17);

Steel rope (3) one ends are through damping thick stick (4) anodontia section around roller (17), the other end around with the coaxial rotary drum (24) of multi-turn leaf spring (2) on.

6, device according to claim 1 is characterized in that described rake formula brake structure, mainly by two " very heavy " (6), the steel rake (23) that is fixed on bottom, " very heavy " (6), pull bar (16) and movable joint (22) formation;

The tread surface of steel rake (23) has steel-tooth (9).

7, device according to claim 1 is characterized in that described transmission device can be arbitrary drive mechanism of pneumatic type, electrodynamic type, fluid pressure type, inertia starting formula or mechanical stretch formula.

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