CN100358759C

CN100358759C - Automatic brake of vehicle

Info

Publication number: CN100358759C
Application number: CNB2005100997711A
Authority: CN
Inventors: 冯政
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-07
Filing date: 2005-09-07
Publication date: 2008-01-02
Anticipated expiration: 2025-09-07
Also published as: CN1736778A

Abstract

The present invention relates to a vehicle brake device which belongs to the field of automobile production. The present invention is characterized in that a brake system is added on the basis of the existing brake system, the two systems are simultaneously used in emergency, braking distance is shortened as short as possible, and rear-end accidents can be maximally avoided. The present invention has the technical scheme that the working principle concentrates on brake gliding sections, barriers can be produced by timely fall of a brake chain plate in front of rear wheels which receive maximum resistance force at gliding, and thus, the vehicles can be stopped.

Description

Automatic brake for vehicles

Technical field:

Automatic brake for vehicles

Technical background:

Existing all automobiles, its brake principle all is the same basically, and that is exactly the tire that utilizes existing brake gear control to roll, and the rolling of wheel on the road surface become slip, thereby the increase friction coefficient relies on the big friction force between wheel and the road surface to check vehicle.

But along with improving constantly and the increasing of load carrying ability of the improvement of road surface situation and the speed of a motor vehicle, particularly express highway is in China and even global universal use in recent years, and the driving high-speed epoch of large-tonnage arrive.Rely on this traditional single brake system can't adapt to the requirement of vehicle high-speed secure operation at present, so that cause the frequent generation of traffic accident, particularly the vehicle rear-end collision accident of express highway is of common occurrence especially, cause the dead group of group to hinder, the scene that many cars are ruined is startling, so tragic that one cannot bear to look at it, caused great loss for the country and people's lives and properties.

Goal of the invention:

Purpose of the present invention is want exactly on the basis of existing vehicle brake device, installs a cover brake system in addition additional, works along both lines during urgent need, shortens the braking distance of vehicle as far as possible, thereby improves braking effect, avoids the generation of vehicle rear-end collision accident to greatest extent.

Summary of the invention:

The present invention will solve the anxious difficult problem of stopping of vehicle.Its technical scheme is: a cover brake system respectively is installed in the place ahead of existing vehicle rear wheel, and the principle of work of this system is: utilize the emergency braking of existing brake gear, start this system's manufacturing brake, make an issue of on the brake cruising phase.Concrete grammar is by when brake in time the landing of carrier bar, and raises obstacles, and makes wheel sliding run into maximum resistance, thereby checks vehicle.Structure mainly contains brake carrier bar assembly and two parts of swing assembly are formed.The carrier bar that wherein brakes is one section purpose made metal track, and the upper end of carrier bar is fixed on the crossbeam under the railway carriage, and the position is in the front upper place of trailing wheel, and vertical road surface, lower end hangs on the gib head by manually upwards mentioning.The swing assembly mainly contains compositions such as gib head, lever bolt and iron ball, is sleeved on by fixed pin shaft on the automotive frame in carrier bar the place ahead, can be around fixed pin shaft swing flexibly back and forth.Anxious in a flash when high vehicle speeds, iron ball is swing forward under action of inertia, drives the change of gib head angle and is angle of declination, causes carrier bar assembly disengaging gib head and falls the road surface.Roll carrier bar under wheel along with sliding forward of wheel this moment, forms the situation of drawing tighter and tighter, finishes brake process one time.

The swing assembly has three kinds of versions, is respectively direct-type, electromagnetic switch formula and stay-supported.Above-mentioned swing assembly is a direct-type; The structure of the swing assembly of electromagnetic switch formula mainly contains swing assembly and compositions such as the adapter plate that matches with it, electromagnet assembly, shank and contact switch.Earlier adapter plate is connected on the automotive frame, the position is in the front upper place of automobile back wheel, again the electromagnet assembly is fixed on the adapter plate, with three little axles electromagnet armature, the moving bar of magnetic, shank are connected as a single entity then, and, shank is fixed in the bottom of adapter plate by little axle with the axis hole in the middle part of the shank.The swing assembly is installed in the place ahead of brake carrier bar assembly.Contact switch is equipped with in the place ahead at the swing assembly, controls the work of whole electromagnet circuit.Anxious in a flash when vehicle, the reach of swing assembly touches contact switch making current path, and it is angle of declination that electromagnet drives shank change angle, causes the carrier bar assembly to fall to rolling under wheel, finishes brake process one time.

The swing assembly of stay-supported mainly contains swing assembly and compositions such as the adapter plate that matches with it, pivot pin pipe, spring and gib head pin.Adapter plate is connected on the automotive frame, the position is identical with the adapter plate of electromagnetic switch formula, and pivot pin pipe angle mount is equipped with spring and gib head pin in the pivot pin pipe on adapter plate, one section of the gib head pin is stretched out in the inclined hole of adapter plate, and the elevation angle and the adapter plate that are 45 degree cooperate the formation gib head.The hypomere of gib head pin is by spring jack-up in the pivot pin pipe, and its lower end is linked to each other with sling by the flexible pipe conduit by tightrope, and sling is fixed on the appropriate location of swing assembly.All the swing assembly with the electromagnetic switch formula is identical with the position for the structure of swing assembly.Anxious in a flash when vehicle, the swing assembly is swung forward, drives tightrope the gib head pin is pulled in the pivot pin pipe, causes the carrier bar assembly to fall to rolling under wheel, finishes brake process one time.

Description of drawings:

Fig. 1, direct-type decelostat are installed the front view when packing up onboard

Front view when Fig. 2, the brake of direct-type decelostat

The front view of Fig. 3, brake carrier bar

Fig. 4, A-A are to cutaway view

Fig. 5. the gib head structural front view of direct-type decelostat

Fig. 6. the scheme drawing when electromagnetic switch formula decelostat carrier bar is packed up

Fig. 7. the gib head structural front view of electromagnetic switch formula decelostat

Fig. 8. the gib head structure cutaway view of stay-supported decelostat

1, automotive frame, 2, automobile back wheel, 3, brake carrier bar major part, 4, the major part bearing pin, 5, the spindle nose pin, 6, brake carrier bar microcephaly, 7, the brake carrier bar, 8, the carrier bar pivot pin, 9, the carrier bar gudgeon pin, 10, traffic stud, 11, the carrier bar fixed orifice, 12, the gib head fixed pin shaft, 13, little gudgeon pin, 14, gib head, 15, captive nut, 16, the lever bolt, 17, iron ball, 18, the road surface, 19, the electromagnet assembly, 20, adapter plate, 21, magnetic moves bar, 22, drive link, 23, shank, 24, little axle, 25, contact switch, 26, the swing assembly, 27, sling, 28, support, 29, the flexible pipe conduit, 30, the pivot pin pipe, 31, tightrope, 32, spring, 33, the gib head pin.

The specific embodiment:

Embodiment 1: the present invention is the direct-type automatic brake for vehicles.As shown in Figure 1, major part bearing pin 4 firmly is installed on the automotive frame 1 of front upper place of automobile back wheel 2.Brake carrier bar major part 3 is fixedly set on the major part bearing pin 4, and fixing with spindle nose pin 5.Brake carrier bar microcephaly 6, brake carrier bar 7 is with brake carrier bar major part 3, fuse mutually by carrier bar pivot pin 8 (8 is five among the figure), and fixing by carrier bar gudgeon pin 9, constitutes the carrier bar assembly that brakes.Gib head fixed pin shaft 12 is fixedly mounted on the automotive frame 1 in the place ahead of major part bearing pin 4, and the upper end of gib head 14 is sleeved on the fixed pin shaft 12, and fixes with little gudgeon pin 13, as shown in Figure 5.Gib head 14 is tubular structures, and its lower end is welded with the coupling nut, and lever bolt 16 lower ends are welded with iron ball 17, and the lower end snail parent phase that captive nut 15 and gib head 14 are passed in the upper end connects, and fastening with captive nut 15.Constitute the swing assembly.Before the use, mention by anticlockwise direction from the bottom up, hang over by carrier bar fixed orifice 11 on the gib head 14 of swing assembly by the carrier bar assembly that manually will brake.When vehicle is normally exercised, the swing assembly is failure to actuate, but in running at high speed (as 60,80 kilometers/time when above, can manually adjust) as emergency brake, the gib head 14 of swing assembly, at lever 16, under the effect of inertia of iron ball 17, realize moment displacement (direction shown in Fig. 1 arrow), when iron ball 17 moved to certain angle, carrier bar fixed orifice 11 broke away from gib head 14, simultaneously, brake carrier bar assembly is because the effect of gravity, drops on rapidly on the road surface 18 in the place ahead of trailing wheel 2, at this moment, since trailing wheel 2 slide reach a little, make the lower end of brake carrier bar, promptly carrier bar microcephaly 6 just in time rolls in wheel and ground-surface angle, and rolls tighter and tighter, as shown in Figure 2, at this moment brake traffic stud 10 under the carrier bar as shown in Figure 4, will scratch road surface 18, thereby the counteracting vehicle inertia is prevented and is continued to slide.Treat to retreat vehicle after the dangerous situation, manually put the brake carrier bar well, in order to urgent need next time.

Of particular note: the performance setting of this brake, can test adjustment according to individual's actual needs, concrete grammar is; Use during than low velocity this system to cooperate sudden stop as need, then suitably increasing the weight of iron ball 17 or the length or 16,17 of proper extension lever bolt 16 increases simultaneously, otherwise, on the contrary.

Embodiment 2: the present invention is an electromagnetic switch formula automatic brake for vehicles.Shown in Fig. 6,7.Brake carrier bar assembly and gib head fixed pin shaft 12 are fixedly mounted on the automotive frame 1, its method of attachment is substantially the same manner as Example 1, just the connection location of major part bearing pin 4 and fixed pin shaft 12 forward translation some, adapter plate 20 is welded on the automotive frame 1, electromagnet assembly 19 usefulness screws are installed on the adapter plate 20, moving bar 21 tops of magnetic link to each other with the magnetic moving armature of electromagnet, bottom and drive link 22, shank 23 fuses mutually by three little axles 24 respectively, after wherein the little axle in the centre of shank 23 passes the middle part axis hole of shank, be fixed on the lower end of adapter plate 20, be used for fixing the position of shank 23.Contact switch 25 is installed on the appropriate location of the place ahead crossbeam 1 of swinging assembly 26, and links to each other with automobile storage battery with the coil of electromagnet 19 by lead, constitutes a current path by contact switch 25 controls.Swing the hook that assembly 26 need remove on the gib head 14 at this moment here.

Automobile is under normal circumstances swung assembly 26 and is not touched contact switch 25, and electromagnet does not have electricity, and shank 23 is 45 degree elevation angle state, forms gib heads with adapter plate 20, as shown in Figure 7.Before the use,, hang on the shank 23, as shown in Figure 6 by fixed orifice 11 by manually the carrier bar assembly up being mentioned in the direction of the clock.In the vehicle ' as emergency brake, swing assembly 26 is under the brake action of inertia, moment is advanced to certain angle, touch contact switch 25, at this moment current lead-through, by the coils in the electromagnet assembly 19 produce magnetic field (annotate: among the figure coil and pull back spring all less than Fig. 7 19 in draw), under powerful magnetic field force effect, the moving bar of magnetic 21 is upwards mentioned by armature, and the upper end that drives shanks 23 by drive link 22 is moved to the angle of declinations of 45 degree downwards, shown in Fig. 7 arrow, at this moment brake the carrier bar assembly under the effect of gravity, moment drops on the road surface 18 in the place ahead of trailing wheel 2, rolls trailing wheel 2 times, as shown in Figure 2, finish brake process one time.

Embodiment 3: the present invention is the stay-supported automatic brake for vehicles.Shown in Fig. 6,8, the installation of brake carrier bar assembly and swing assembly is with embodiment 2, and different is the electromagnetism gib head to be unloaded changed the backguy gib head into, in a side of swing assembly sling 27 has been installed.Adapter plate 20 is welded on the automotive frame 1, the position is at electromagnet assembly 19 places of Fig. 6, pivot pin pipe 30 is the elevation angle of 45 degree, be contained on the adapter plate 20, spring 32 is housed in the pivot pin pipe 30, spring 32 withstands gib head pin 33 and stretch out one section from the inclined hole of adapter plate 20, as shown in Figure 8, following of gib head pin 33 has an aperture, penetrate captive joint by tightrope 31, tightrope 31 is fixedly linked by the sling 27 on flexible pipe conduit 29 and the swing assembly 26, and an end of flexible pipe conduit 29 is fixed on the support 28 with screw, and the other end is fixed on the lower end of pivot pin pipe 30.Support 28 is fixed on the automotive frame 1.Under the normal circumstances, brake carrier bar assembly is mentioned by the bending that manually makes progress in the direction of the clock, hangs on the gib head pin 33 by fixed orifice 11.When running into the dangerous situation emergency brake, swing assembly 26 is reach (direction shown in Fig. 8 arrow) rapidly under action of inertia, by traction moment of tightrope 31 gib head pin 33 of leaving behind, at this moment the carrier bar assembly integral that brakes falls to rolling trailing wheel 2 times, form braking state shown in Figure 2, thereby reach the purpose of brake.

Claims

1. automatic brake for vehicles is installed in the place aheads of automobile back wheel (2), is playing the auxiliary braking effect in a flash anxious, and this automobile spreads the car device automatically mainly to be made up of brake carrier bar assembly and two parts of swing assembly, wherein:

Described brake carrier bar assembly is fused by carrier bar pivot pin (8) by a plurality of brake carrier bars (7) and forms, and fixing with carrier bar gudgeon pin (9); The brake carrier bar major part (3) of brake carrier bar assembly one end is sleeved on the major part bearing pin (4), and fixing with spindle nose pin (5), on the front upper place automotive frame (1) that is welded on automobile back wheel (2) that major part bearing pin (4) is firm; The brake carrier bar microcephaly (6) of the brake carrier bar assembly other end, be provided with and be used for brake carrier bar assembly is hooked on the fixed orifice of swinging on the assembly hook (11), when normal vehicle operation, brake carrier bar assembly is hooked on the hook of swing assembly (26) by fixed orifice (11); The one side that brake carrier bar (7) contacts with ground is provided with traffic stud (10);

Described swing assembly middle part is a tubular structure, this tubular structure below is provided with captive nut, the lever bolt (16) that passes clamp nut (15) fuses by screw thread and swing assembly, and it is fastening with clamp nut (15), lever bolt (16) lower end is welded with iron ball (17), and the total length of swing assembly can be regulated by adjustment (adjusting) lever bolt (16); Wherein swing assembly and be sleeved on the gib head fixed pin shaft (12), fixing with little gudgeon pin (13); Gib head fixed pin shaft (12) is installed in major part bearing pin (4) the place ahead along the vehicle direct of travel, is fixed by welding on the automotive frame (1);

When vehicle anxious in a flash, iron ball (17) is swung forward owing to inertia, thereby driving whole swing assembly swings forward, cause brake carrier bar microcephaly (6) disengaging to collude chaining plate microcephaly's mechanism and drop on the road surface, wheel (2) rolls on carrier bar microcephaly (6), form the gesture of drawing tighter and tighter, thereby realize the snap catch of vehicle fast.

2. automatic brake for vehicles according to claim 1, the described mechanism that is used to collude chaining plate assembly is the gib head (14) that is located on the swing assembly tubular structure, when normal vehicle operation, brake carrier bar assembly hangs on the gib head (14) by the anticlockwise direction fixed orifice (11) that carrier bar microcephaly (6) holds that will brake from the bottom up.

3. automatic brake for vehicles according to claim 1, the described mechanism that is used to collude chaining plate assembly is an electromagnetic switch formula gib head device by contact switch (25) control, and the keying of contact switch (25) is touched by the swing of swing assembly (26) and finished; Adapter plate (20) is welded on the automotive frame (1), the position is in the front upper place of wheel (2), electromagnet assembly (19) is connected on the adapter plate (20) with screw, the top that magnetic moves bar (21) links to each other with the magnetic moving armature of electromagnet, drive link (22), shank (23) fuse mutually by three little axles (24) respectively, after wherein the little axle of shank (23) passes the middle part axis hole of shank, be fixed on the lower end of adapter plate (20); Contact switch (25) is installed on the appropriate location of the front automobile crossbeam (1) of swinging assembly (26), and links to each other with automobile storage battery by the coil of lead with electromagnet assembly (19), constitutes a current path by contact switch (25) control; When normal vehicle operation, brake carrier bar assembly hangs over fixed orifice (11) on the shank (23) by manually up mentioning in the direction of the clock;

When vehicle anxious in a flash, after swing assembly (26) is swung forwards to certain angle, touching contact switch (25) switch on, effect by magnetic moving armature attractive force, drive shank (23) and be the horn shape that dips down, cause brake carrier bar microcephaly (6) disengaging shank (23) and drop on the road surface, finish drag one time.

4. automatic brake for vehicles according to claim 1, the described mechanism that is used to collude chaining plate assembly is a stay-supported snap hook head unit; The action of its gib head is controlled by backguy tightrope (31) and spring (32) by swing assembly (26); The swing assembly (26) and the carrier bar assembly that brakes are installed in respectively on the automotive frame (1) in the place ahead of automobile back wheel (2); On swing assembly (26), sling (27) is housed; Adapter plate (20) is welded on the automotive frame (1), pivot pin pipe (30) becomes the elevation angle of 45 degree, be contained on the adapter plate (20) with screw, spring (32) is housed in the pivot pin pipe (30), spring withstands gib head pin (33) and stretch out one section from the inclined hole of adapter plate (20), there is an aperture lower end of gib head pin (33), penetrate captive joint by tightrope (31), sling (27) on tightrope (31) passes through flexible pipe conduit (29) and swings assembly (26) links to each other, one end of flexible pipe conduit (29), be fixed on the support (28) with screw, the other end is fixed on pivot pin pipe (30) lower end, and support (28) is fixed on the automotive frame (1); When normal vehicle operation, brake carrier bar assembly by manually in the direction of the clock up bending mention, fixed orifice (11) is hung on the gib head pin (33);

Anxious in a flash when vehicle, swing assembly (26) is swung forward, in sling (27) tightrope (31) pulling gib head pin (33) indentation pivot pin pipe (30), causes the disengaging of carrier bar assembly to collude the on-hook structure and drop on the road surface, finishes drag one time.