CN1736778A

CN1736778A - Automatic brake of vehicle

Info

Publication number: CN1736778A
Application number: CN 200510099771
Authority: CN
Inventors: 冯政
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-09-07
Filing date: 2005-09-07
Publication date: 2006-02-22
Anticipated expiration: 2025-09-07
Also published as: CN100358759C

Abstract

Disclosed is a vehicle brake device, belonging to the field of vehicle manufacture. It reduces the brake distance by adding a brake system, based on the prior brake device. The work key of the system is that: make barrier by the brake chain plate landing before the rear wheel in time, making the rear wheel meet the best resistance force and then to brake the vehicle.

Description

Automatic brake for vehicles

Affiliated technical field:

The automotive traffic instrument

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 technology, 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.

The object of the present invention is achieved like this:

A cover brake system is respectively installed in the place ahead at the trailing wheel of existing vehicle, the structure of this brake system as shown in the figure:

Fig. 1. be that this brake system is installed the front view when packing up onboard.(direct-type)

Fig. 2. the front view when being this brake system brake.

Fig. 3. be the structural front view of brake carrier bar.(A of Fig. 2 is to view)

Fig. 4. be the A-A cutaway view of Fig. 3.

Fig. 5. be the gib head structural representation of direct-type automatic brake controller

Fig. 6. be the front view of electromagnetic switch formula brake controller carrier bar when packing up

Fig. 7. be the gib head structural representation of electromagnetic switch formula brake controller

Fig. 8. be the gib head structural representation of stay-supported brake controller. the principle of work of (the gib head assembly is vertical cut-away view) this brake system is: make an issue of on the brake cruising phase, by in time landing of brake carrier bar, raise obstacles, make wheel sliding run into maximum resistance, thereby check vehicle.Be described in further detail below in conjunction with specific embodiment.

Embodiment 1; (title direct-type) (as shown in Figure 1) major part bearing pin 4 firmly is welded 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.Minimum 6 of drag chain, brake carrier bar 7 be with brake carrier bar major part 3, fuse mutually by carrier bar pivot pin 8 (8 is five among the figure), and fix by carrier bar gudgeon pin 9.Constitute brake carrier bar assembly.Gib head fixed pin shaft 12 fixedly welds on 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 captive nut, and lever bolt 16 lower ends are welded with iron ball 17, and the upper end links to each other with 14 lower end screw thread by captive nut 15, and fastening with nut 15.Constitute the gib head assembly.At ordinary times, mention by anticlockwise direction from the bottom up, be hung on by carrier bar fixed orifice 11 on the gib head 14 of self-actuating brake control by the carrier bar assembly that manually will brake.When vehicle is normally exercised, decelostat gib head 14 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 decelostat, at lever 16, under the effect of inertia of iron ball 17, realize the moment displacement, (direction shown in Fig. 1 arrow) when moving to certain angle, carrier bar fixed orifice 11 breaks away from gib heads 14, brake simultaneously carrier bar since the effect of gravity drop on rapidly on the road surface, the place ahead 18 of trailing wheel 2, at this moment, owing to the reach a little of trailing wheel 2, make the lower end of brake carrier bar, promptly carrier bar microcephaly 6 just in time rolls in wheel and ground-surface angle, and roll tighter and tighter: (as shown in Figure 2,) traffic stud 10 (Fig. 4) under the carrier bar that at this moment brakes will scratch road surface 18, thereby offset vehicle inertia, prevent and continue 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 brake as need, then suitably increasing the weight of iron ball 17 or the length or 16,17 of proper extension lever 16 increases simultaneously, otherwise, on the contrary.

Embodiment 2, and (title electromagnetic switch formula decelostat) (shown in Fig. 6,7) brake carrier bar assembly is fixedly mounted on the automotive frame 1, and its method of attachment is substantially the same manner as Example 1, just the position of major part bearing pin 4 forward translation some.Adapter plate 20 is welded on the automotive frame 1, and electromagnet assembly 19 usefulness screws are installed on the adapter plate 20, and moving bar 21 tops of magnetic link to each other with the magnetic moving armature of electromagnet, and drive link 22, shank 23 fuse mutually by three little axles 24 respectively; 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.(annotate: the structure composition of swing assembly 26 is basic identical with the gib head assembly in the last example, has just lacked the hook in the gib head 14)

Automobile is under normal circumstances swung assembly 26 and is not touched contact switch 25, and electromagnet does not have electricity, and the degree elevation angle state that shank is 23 one-tenth 45 forms gib heads with adapter plate 20.(as shown in Figure 7) at this moment, by manually the carrier bar assembly up being mentioned in the direction of the clock, on fixed orifice 11 extensions and shank 23.(as shown in Figure 6) 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 produces magnetic field by the coils in the electromagnet assembly 19, and (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 21 of magnetic is upwards mentioned, and the upper end that drives shank 23 by drive link 22 is moved to 45 angle of declinations of spending downwards.(shown in Fig. 7 arrow) at this moment brakes the carrier bar assembly under the effect of gravity, and moment drops on the road surface, the place ahead 18 of trailing wheel 2, and (as shown in Figure 2) finishes brake process.

Embodiment 3, (title stay-supported brake) is (as Fig. 6, shown in 8) installation of brake carrier bar assembly is with embodiment 2, different is that the electromagnetism gib head has been changed into the backguy gib head, 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, on dress and 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 pivot 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.

Under the normal circumstances, brake carrier bar 7 is hung on the gib head pin 33 by fixed orifice 11 by manually scrolling up in the direction of the clock.When running into the dangerous situation emergency brake, swing assembly 26 moves forward rapidly towards the direction shown in Fig. 8 arrow under action of inertia, by traction moment of tightrope 31 gib head pin 33 of leaving behind, at this moment the drag chain assembly integral glides, and forms situation shown in Figure 2, thereby reaches the purpose of brake.

Claims

1. an automatic brake for vehicles mainly plays brake action when sudden stop, it is characterized in that: it is made up of brake carrier bar assembly and two of gib head assemblies.Described brake carrier bar assembly firmly is welded on the front upper place crossbeam (1) of automobile back wheel (2) by the major part bearing pin (4) of brake carrier bar (7), and brake carrier bar major part (3) is sleeved on the major part bearing pin (4), and fixing with spindle nose pin (5).Brake carrier bar microcephaly (6), brake carrier bar (7) fuse by carrier bar pivot pin (8) mutually with brake carrier bar major part (3), and fixing with carrier bar gudgeon pin (9), constitute brake carrier bar assembly.Brake gib head assembly is welded on the automotive frame (1) in the place ahead of major part bearing pin (4) by gib head fixed pin shaft (12), and the gib head assembly is sleeved on the bearing pin (12) by gib head (14), and fixing with little gudgeon pin (13).In the middle of the gib head (14) is a tubular structure, its below is welded with captive nut, and lever bolt (16) lower end is welded with iron ball (17), and the upper end is connected as one by screw thread by the lower end of clamp nut (15) with gib head (14), and fastening with nut (15), constitute the gib head assembly.Described brake carrier bar assembly hangs over fixed orifice (11) on the gib head (14) by manually mentioning by anticlockwise direction from the bottom up.

2. according to the decelostat under the claim 1, it is characterized in that: brake carrier bar assembly is fixedly mounted on the automotive frame (1), its installation method and claim 1 are together, just the position of major part bearing pin (4) forward translation some adapter plates (20) be welded on the automotive frame (1), 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, and drive link (22), shank (23) fuse mutually by three little axles (24) respectively.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 by the coil of lead with electromagnet assembly (19), constitutes a current path by contact switch (25) control.Described brake carrier bar assembly hangs over fixed orifice (11) on the shank (23) by manually up mentioning in the direction of the clock.

3. according to the decelostat under the claim 1, it is characterized in that: the installation of brake carrier bar is with claim 2, adapter plate (20) is welded on the automotive frame (1), the position is with claim 2, 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) is fixed on the support (28) with screw, and the other end is fixed on pivot pin pipe (30) lower end.Described brake carrier bar assembly is fixed, and is identical with claim 2.