CN200964105Y

CN200964105Y - Multifunctional automobile thumber

Info

Publication number: CN200964105Y
Application number: CN 200620126875
Authority: CN
Inventors: 许翊像
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-26
Filing date: 2006-10-26
Publication date: 2007-10-24
Anticipated expiration: 2016-10-26

Abstract

The utility model provides an automobile multifunctional brake which belongs to the motor vehicle brake and is characterized in that an emitter, a receiver, an emitting switch, a relay, an electromagnetic coil, an electromagnetic pump, a vacuum gas cell, a vacuum valve, a quick oil feed pump and a pressurized oil pump are correspondingly connected and arranged at the corresponding parts of a hydraulic braking automobile, therefore the rear-end collision of automobiles can be effectively avoided and the no-braking accidents because of the damage of the hydraulic brake chamber and oil leak from the chamber tube can be prevented. The centrifugal governor installed can prevent the automobile from turning over when swerving; the hydraulic brake drive switch YK and manual button switch SK are installed to effectively avoid the rear-end collision and brake in an emergency, and avoid the no-brake accidents due to the hydraulic brake master pump trouble or engine miss. The respective installation of a hydraulic contact switch, a hydraulic control two-position two-way valve and a vent screw on the air-braking automobiles can effectively avoid the rear-end collision, largely reduce the traffic accident rate and better protect individual lives and properties.

Description

Multi-functional braker of car

Technical field

The utility model belongs to motor vehicle brake, especially relates to a kind of automatic brake of automobile.

Background technology

Automobile with following at a distance forwards, backwards, when fwd automobile brake or et out of order parking, though the taillight of front truck is glittering, but the automobile of trailing, chaufeur is not often understood the situation of front truck, observes error or response delay, has little time to take the actv. brake measure and bumps against with front truck, rear-end collision takes place, the lighter's car wound of speaking sarcastically, weight person's car crash, this external sleety weather, the road surface is wet and slippery or the road surface is ice-bound, the generation vehicle starting skids, braking sideslip, tumble, as run into and blow out, accidents such as brake pipe leakage of oil, traffic accident takes place again and again especially, bring great threat for the automobile driver and crew, bring great harm to the people's lives and property.

Summary of the invention

The purpose of this utility model is to propose a kind of Multi-functional braker of car; make front truck just send signal at the initial stage of braking; after the automobile that this signal is trailed is received; the back car of trailing is just braking rapidly automatically before the front truck end of braking; can avoid the generation of rear-end collision effectively; and can eliminate effectively vehicle starting skid, brake sideslip, tumble, blow out, accident potential such as brake pipe leakage of oil, reduce the traffic accident rate of automobile widely, effectively protect the people's lives and property.

The purpose of this utility model is achieved like this: a kind of Multi-functional braker of car, by brake pedal, the braking armed lever, brake push rod, receiver, hydraulic braking master cylinder, brake wheel, left and right sides brake shoe brake cheek, brake shoe return spring, the hydraulic braking wheel cylinder, storage battery, air intake branch, the hydraulic braking pipeline, air tank, the compressed air brake wheel cylinder, compressed air brake divides pump push rod, air brake piping is formed, the automobile brake of hydraulic braking, navigating mate depresses brake pedal, drive brake push rod, braking liquid in the receiver is released from hydraulic braking master cylinder, high hydraulic brake fluid enters each hydraulic braking wheel cylinder through the hydraulic braking pipeline, back down a left side then, right braking hoof, make a left side, it is braking force and realize the braking of automobile that right braking hoof sheet and brake wheel produce friction, the automobile brake of compression air brake, chaufeur depresses brake pedal, make the high pressure air in the air tank advance each compressed air brake wheel cylinder through air brake piping, wheelcylinder cup promotes compressed air brake and divides pump push rod, make a left side, it is braking force and realize the braking of automobile that right braking hoof sheet and brake wheel produce friction, it is characterized in that the stage casing installation emission switch of hydraulic braking automobile at braking armed lever left arm, emission switch generally is in normal separated position, projector at automobile tail mounting strap power valve, the power valve of projector is positioned at the central through hole place of back licence plate, the negative pole of emission switch is connected with lead with the negative pole of projector, the positive pole of projector is connected with lead is corresponding with storage battery, near the air intake branch of automotive engine, vacuum room is installed, vacuum diaphragm and vacuum diaphragm return spring have been installed in this vacuum room, and the right side of vacuum room is provided with vacuum contactor; In the inner chamber of fast fuel feed pump, pressure oil pump is installed, fast fuel feed pump and pressure oil pump are assembled into the inboard that is installed on automotive frame after the one, the inboard of front and back wheel crossbeam is respectively adorned one, be connected with main high pressure fuel pipe between the oil inlet A of each fast fuel feed pump and the hydraulic braking master cylinder, the oil outlet B of each fast fuel feed pump is connected with secondary high pressure fuel pipe and each hydraulic braking wheel cylinder respectively; Fast fuel feed pump is by the pump housing, adjust cover, the fast piston of giving, the fast piston return spring of giving, oil inlet A, grease chamber, a left side, right grease chamber, oil outlet B forms, be installed in and fast give pressure oil pump in the step central through hole left large and right small of piston by the pressurization cylinder sleeve, pressurized cylinder cover return spring, pressurizing piston, the pressurizing piston bar, the pressurizing piston pull back spring is formed, pressurization cylinder sleeve cunning is contained in adjusts cover, fast giving in the step central through hole of piston, the right-hand member of pressurization cylinder sleeve is the cylinder of band through hole and band seam, with the fast step surface place of the endoporus of piston that gives pressurized cylinder cover return spring is installed at the pressurization cylinder sleeve, and offer step through hole left large and right small at pressurization cylinder sleeve center, sliding dress pressurizing piston bar in this step through hole, the pressurizing piston pull back spring, pressurizing piston is equipped with seal ring on the pressurizing piston, repairing hole and locking plate; In addition, at the medial shaft of automotive frame to electro-magnetic pump is installed, magnet coil is installed above electro-magnetic pump and is connected with electro-magnetic pump, in magnet coil, install and inhale iron, suction armature return spring and push rod, in the section of the stretching out insertion electro-magnetic pump of push rod, and push up mutually with the electro-magnetic pump piston, in a side of electro-magnetic pump the automatic deflation screw is installed, the electromagnetism delivery side of pump is connected with the main high pressure fuel pipe that high pressure fuel pipe and hydraulic braking master cylinder export; Relay is installed near storage battery, this relay is inhaled iron, relay normally open switch and normal open switch pull back spring by relay coil, relay and is formed, one open contact of this relay normally open switch is connected with lead with the positive pole of magnet coil, and another contact of relay normally open switch is connected with lead is corresponding with storage battery; Receive the receptor of electro-optical tubes at the center of automotive front end mounting strap, establish the negative earth device in this receptor and be connected with lead is corresponding with the positive and negative electrode of relay; Right side in vacuum room is provided with vacuum contactor, and this vacuum contactor is connected with lead with the negative pole of receptor; In addition, in the inboard of automotive frame vacuum valve is installed also, the outlet, inlet mouth of vacuum valve is connected with air intake branch of the engine and vacuum room respectively, and its oil inlet and main high pressure fuel pipe are connected; Before the hydraulic braking running car, drive the staff and receiver should be filled with braking liquid, adopt and conventional repeatedly to step on brake pedal and screw repeatedly, unscrew the action of bleed screw, the discharging of air in the hydraulic brake system is clean, make in the full car brake system and be full of braking liquid, automobile ability normal operation input, before automobile, the back tailstock is with under the situation of travelling in the same way, in case the fwd vehicle is braked or sudden stop for some reason, chaufeur is stepped on brake pedal, promote the piston right lateral in the brake push rod pushing tow hydraulic braking master cylinder on the one hand, the pushing tow braking liquid enters the left grease chamber of each fast fuel feed pump through main high pressure fuel pipe, further pushing tow overcomes to piston soon and gives the application force of piston return spring and move to right soon, braking liquid band in the right grease chamber is pressed each hydraulic braking wheel cylinder of input, overcome the effect of brake shoe return spring and left and right sides brake strap opened to contact with brake wheel produce friction force, braking liquid promotes vacuum valve and makes the valve pocket unlatching simultaneously, the air intake branch and the vacuum room of automotive engine are connected, vacuum contactor closure under vacuum action, relay has electric current to pass through, under the effect of suction, relay normally open switch contact closure, magnet coil produces high electric current, the action of suction iron, the descent of piston that promotes electro-magnetic pump raises the oil pressure of its inside brake liquid, enter left grease chamber, the pressurizing piston that promotes in the pressure oil pump inner chamber moves right, oil pressure and each hydraulic braking wheel cylinder oil pressure of right grease chamber are raise, at this moment brake strap and brake wheel produce the high pressure friction, under the effect of friction, the velocity of rotation of brake wheel descends rapidly, and front truck is degree of subtracting and braking fast; Vacuum contactor is closed when not having vacuum pressure because of engine intake valve on air intake branch, the contact of vacuum contactor separately under the effect of vacuum diaphragm return spring, the relay no current passes through, the contact of relay normally open switch also separates, magnet coil does not have electric current, inhaling iron is with under the effect of inhaling armature return spring with electro-magnetic pump piston return, move on the electro-magnetic pump piston the interior hydraulic pressure of main high pressure fuel pipe is descended rapidly, thereby hydraulic braking wheel cylinder inner fluid is descended, brake strap friction force under the effect of brake shoe return spring reduces, this process is only finished circulation of hydraulic braking, open with engine intake valve, there is vacuum power to exist in the air intake branch, the closing of contact of vacuum contactor, relay begins the second periodical duty process, the closing of contact of normal open switch, electro-magnetic pump work-pressurizing piston and piston rod work-hydraulic braking divide pump work, pressure improves, drag friction power improves, brake strap depends on intake manifold vacuum power frequency to the friction force frequency of braking hub, that is to say the rotating speed decision of driving engine, engine speed is high more, and best friction force chance is many more; On the other hand, when front truck needs glancing impact, chaufeur depresses the moment of brake pedal, at first drive the left arm action of braking armed lever, emission switch closure with front truck, connect the negative pole circuit of projector, projector sends signal, and signal is received that by the receptor of back car then the both positive and negative polarity of the receptor of car is connected with the relay of back car, there is electric current to make relay normally open switch contact closure by producing suction, the magnet coil work of back car is inhaled iron and is promoted the electro-magnetic pump descent of piston, makes high hydraulic brake fluid promote the interior pressurizing piston right lateral of pressure oil pump, make right grease chamber fluid enter back each hydraulic braking wheel cylinder of car, simultaneously, the high hydraulic brake fluid of back car electro-magnetic pump also promotes the vacuum valve action, makes the closing of contact of the vacuum contactor of back car, relay work promotes pressurizing piston work simultaneously, and the back car is braked rapidly; In brief, the current line vehicle is when needs braking and sudden stop, first pin is stepped on brake pedal, at first the emission switch that front truck is often opened is connected, the projector of the tailstock transmits and is received by the receptor of pursuit-type vehicle, the work of pursuit-type vehicle relay, back car electro-magnetic pump work, the back car of trailing produces autobrake, key is that the process of back car braking is to occur in front truck not finish before the braking, this is because front truck braking need overcome the gap before brake pedal free stroke and the hydraulic braking master cylinder work and the free clearance of each system, as hydraulic braking wheel cylinder play motion etc., this process need time, be far longer than back car electronic component work-hours during this period of time, so the utmost point before front truck is not also finished braking in the short time, back car has just shifted to an earlier date autobrake, so just can avoid the generation of rear-end collision accident effectively, effectively ensure driver and crew's life, the safety of property.

In addition, in the proper site of automobile centrifugal sensor is installed, the positive pole of centrifugal sensor is connected with source switch, negative pole is connected with the negative pole of relay, the housing of centrifugal sensor is visual housing, visual loam cake is installed at its top, the inclination rheostat is installed on top at the housing inner chamber of centrifugal sensor, on the right side, bottom of the housing inner chamber of centrifugal sensor top ripple rheostat is installed, centre mounting seat at the inner chamber of the housing of centrifugal sensor, installing and locating pallet on base, top ripple spring is installed above location tray from the bottom to top successively, the steel ball pallet, circular magnet and steel ball, the outside at steel ball central horizontal circumference, circumference uniform distribution is installed 8 cross sense of touch pins, the upper end of the perpendicular pin of each sense of touch pin contacts with the inclination rheostat, the lower end of perpendicular pin is the contact, each contact contacts with the centrifugal contact that is installed in housing inner chamber bottom, its contact gap is adjustable, the nearly center-side of the eedles of each sense of touch pin contacts with steel ball, and sense of touch pin pull back spring is installed in the other end section of eedles, simultaneously, top ripple sensing needle is installed on the right side, center of the location tray in centrifugal sensor inner chamber, this top ripple sensing needle contacts with top ripple rheostat, each centrifugal contact all is connected with the relay negative pole, and ripple rheostatic negative pole in top joins with lead is corresponding with magnet coil; Mounting inclination angle instrument on the instrument case of automobile, before the leaning angle instrument, after, a left side, the right side is provided with 4 negative contacts, respectively with lead and interior corresponding joining of inclination rheostat of centrifugal sensor, steel ball acts on the sense of touch pin when body inclination is excessive, sense of touch pin and inclination rheostat are connected ground connection, electric current by the centrifugal contact in power supply 12V storage battery-relay-relay negative pole-centrifugal sensor to ground connection, because of circuit constitutes the loop, so relay work, the closing of contact of relay normally open switch, magnet coil work-electro-magnetic pump work, oil pressure raises in the main high pressure fuel pipe, automatic control hydraulic braking effect is played in each hydraulic braking annex work; Another loop is by source switch K ₁Enter the leaning angle instrument, front, rear, left and right have four cell negative terminals to connect the inclination rheostat respectively on the leaning angle instrument, and when electric current was by sense of touch pin ground connection under the little situation in angle of inclination, the leaning angle instrument had electric current to pass through, leaning angle meter hand deflection reflects the body inclination data; When auto body tilts shake when big, top ripple sensing needle is connected with top ripple rheostat, and electric current constitutes the loop, magnet coil on-line operation, the control of beginning automatic hydraulic braking by power supply to-top ripple sensing needle-magnet coil ground connection.

The vertical installation of top ripple rheostat, top ripple sensing needle is following more, and electric current is big more, the electromagnetism pump pressure is big more, and the top wave process is interrupted, so electro-magnetic pump work also is interrupted, this just in time similar driver puts the control of braking form, because the autobrake constraint, so play anti-directive effect out of control.When vehicle ', fast because of the speed of a motor vehicle, under the turning process action of centrifugal force, steel ball drives the sense of touch pin and moves, make the centrifugal closing of contact, relay is worked automatically, electro-magnetic pump work, also produce the autobrake effect, have and slow down in advance or braking, so play anti-turning overturning effect.

In addition, at indoor hydraulic braking driving switch YK and the manual button switch SK of installing respectively of vehicle drive, hydraulic braking driving switch YK is ground connection voluntarily, is connected with high-pressure pipe and main pressure duct, when vehicle receiver is received the passive glancing impact of preceding vehicle speed-slackening signal, be receiver operation, relay work-electro-magnetic pump work-main pressure duct has pressure to exist, and enters YK, the YK switch closure, this car projector is also worked, and gives follow-up signals of vehicles, allows it brake in advance and can avoid knocking into the back; Hand push button switch S K has two binding posts, a ground connection, another succeeds the negative pole of electrical equipment with lead, when hydraulic braking master cylinder breaks down, bad as total pump cup, brake pedal can not be stepped on any more or situation such as storage tanker oil starvation under need braking, chaufeur only need be pressed the SK switch, electro-magnetic pump work, with electro-magnetic pump help braking, so SK has the emergency brake function, avoids causing the accident because of brakeless behind hydraulic braking master cylinder fault or the engine off.

On the automobile of compressed air brake, except the same with the hydraulic braking automobile, at corresponding site projector is installed, receptor, emission switch, relay, magnet coil, electro-magnetic pump, outside centrifugal sensor and the corresponding connection, the hydraulic control contact switch also is installed respectively on the crossbeam of automobile, hydraulic control two position two-way valve and bleed screw, the oil inlet of hydraulic control contact switch is connected with high-pressure pipe and hydraulic control two position two-way valve, hydraulic control contact switch contact is connected with the projector negative pole with lead, the admission port of hydraulic control two position two-way valve is connected with tracheae and air tank, the air extractor duct of hydraulic control two position two-way valve is connected with tracheae and each compressed air brake wheel cylinder, hydraulic control two position two-way valve oil inlet is connected with the oil outlet of high pressure liquid pressure pipe and electro-magnetic pump, the grease chamber of bleed screw and hydraulic control two position two-way valve is connected, when the air break automobile front end is received the speed-slackening signal that front truck sends, receiver operation, relay work, the relay normally open switch closure, electro-magnetic pump work, there is pressure to exist in the main pressure duct, hydraulic control contact switch work on the one hand, its closing of contact ground connection, projector work, send speed-slackening signal for succeeding vehicle, on the other hand, main pressure duct communicates with hydraulic control two position two-way valve oil inlet, fluid drives spool, make the high pressure gas in the air tank arrive the hydraulic control two position two-way valve to each compressed air brake wheel cylinder through pipeline, promote wheelcylinder cup, promote each compressed air brake and divide pump push rod, make a left side, it is braking force and realize the braking of automobile that right braking hoof sheet and brake wheel produce friction.

The utility model proposes a kind of Multi-functional braker of car, rational in infrastructure, safe and reliable, cost is low, and is easy for installation, reduces the safety misadventure rate of automobile greatly, effectively protected the people's lives and property.

Now the Multi-functional braker of car of in conjunction with the accompanying drawings and embodiments the utility model being carried is further described.

Description of drawings

Fig. 1 is the scheme drawing of the Multi-functional braker of car that proposes of the utility model.

Fig. 2 is the enlarged diagram of part 33 among Fig. 1, fast fuel feed pump.

Fig. 3 is the enlarged diagram of part 32, centrifugal sensor among Fig. 1.

Among Fig. 1: 1, brake pedal 2, emission switch 3, braking armed lever 4, brake push rod 5, hydraulic braking master cylinder 6, receiver 7, hydraulic control contact switch 8, hydraulic control contact switch contact 9, high-pressure pipe 10, hydraulic control two position two-way valve 11, bleed screw 12, air tank 13, compressed air brake wheel cylinder 14, wheelcylinder cup 15, compressed air brake divides pump push rod 16, inhale iron 17, magnet coil 18, push rod 19, inhale armature return spring 20, electro-magnetic pump piston 21, electro-magnetic pump 22, relay is inhaled iron 23, relay 24, normal open switch pull back spring 25, relay normally open switch 26, receptor 27, brake wheel 28, brake shoe brake cheek 29, brake shoe return spring 30, hydraulic braking wheel cylinder 31, leaning angle instrument 32, centrifugal sensor 33, fast fuel feed pump 34, vacuum diaphragm 35, vacuum room 36, vacuum contactor 37, projector 38, vacuum valve 39, air intake branch

Among Fig. 2: 40, right grease chamber 41, pressurization cylinder sleeve 42, soon give piston 43, pressurized cylinder cover return spring 44, soon give piston return spring 45, pressurizing piston bar 46, pressurizing piston pull back spring 47, left grease chamber 48, pressurizing piston 49, adjust cover 50, the pump housing

Among Fig. 3: 51, inclination rheostat 52, steel ball 53, sense of touch pin 54, housing 55, sense of touch pin pull back spring 56, centrifugal contact 57, top ripple rheostat 58, top ripple sensing needle 59, location tray 60, base 61, top ripple spring 62, steel ball pallet 63, circular magnet 64, loam cake

The specific embodiment

From Fig. 1, Fig. 2, among Fig. 3 as can be seen: a kind of Multi-functional braker of car, by brake pedal 1, braking armed lever 3, brake push rod 4, receiver 6, hydraulic braking master cylinder 5, brake wheel 27, left and right sides brake shoe brake cheek 28, brake shoe return spring 29, hydraulic braking wheel cylinder 30, storage battery, air intake branch 39, the hydraulic braking pipeline, air tank 12, compressed air brake wheel cylinder 13, compressed air brake divides pump push rod 15, air brake piping is formed, the automobile brake of hydraulic braking, navigating mate depresses brake pedal 1, drive brake push rod 4, braking liquid in the receiver 6 is released from hydraulic braking master cylinder 5, high hydraulic brake fluid enters each hydraulic braking wheel cylinder 30 through the hydraulic braking pipeline, back down a left side then, right braking hoof 28, make a left side, it is braking force and realize the braking of automobile that right braking hoof sheet and brake wheel 27 produce friction, the automobile brake of compression air brake, chaufeur depresses brake pedal 1, make the high pressure air in the air tank 12 enter each compressed air brake wheel cylinder 13 through air brake piping, wheelcylinder cup 14 promotes compressed air brake and divides pump push rod 15, make a left side, it is braking force and realize the braking of automobile that right braking hoof sheet and brake wheel 27 produce friction, it is characterized in that the stage casing installation emission switch 2 of hydraulic braking automobile at braking armed lever 3 left arms, emission switch 2 generally is in normal separated position, projector 37 at automobile tail mounting strap power valve, the power valve of projector 37 is positioned at the central through hole place of back licence plate, the negative pole of emission switch 2 is connected with lead with the negative pole of projector 37, the positive pole of projector 37 is connected with lead is corresponding with storage battery, near the air intake branch 39 of automotive engine, vacuum room 35 is installed, vacuum diaphragm 34 and vacuum diaphragm return spring have been installed in this vacuum room 35, have been provided with vacuum contactor 36 on the right side of vacuum room 35; In the inner chamber of fast fuel feed pump 33, pressure oil pump is installed, fast fuel feed pump 33 and pressure oil pump are assembled into the inboard that is installed on automotive frame after the one, the inboard of front and back wheel crossbeam is respectively adorned one, be connected with main high pressure fuel pipe between the oil inlet A of each fast fuel feed pump 33 and the hydraulic braking master cylinder 5, the oil outlet B of each fast fuel feed pump 33 is connected with secondary high pressure fuel pipe and each hydraulic braking wheel cylinder 30 respectively; Fast fuel feed pump is by the pump housing 50, adjust cover 49, the fast piston 42 of giving, the fast piston return spring 44 of giving, oil inlet A, grease chamber 47, a left side, right grease chamber 40, oil outlet B forms, be installed in and adjust cover 49 and give pressure oil pump in the step central through hole left large and right small of piston 42 soon by pressurization cylinder sleeve 41, pressurized cylinder cover return spring 43, pressurizing piston 48, pressurizing piston bar 45, pressurizing piston pull back spring 46 is formed, pressurization cylinder sleeve 41 sliding being contained in are adjusted cover 49 and fast giving in the step central through hole of piston 42, the right-hand member of pressurization cylinder sleeve 41 is the cylinder of band central through hole and band seam, with the fast step surface place of the endoporus of piston 42 that gives pressurized cylinder cover return spring 43 is installed at pressurization cylinder sleeve 41, and offer step through hole left large and right small at pressurization cylinder sleeve 41 centers, sliding dress pressurizing piston bar 45 in this step through hole, pressurizing piston pull back spring 46, pressurizing piston 48 is equipped with seal ring on pressurizing piston 48, repairing hole and locking plate; In addition, at the medial shaft of automotive frame to electro-magnetic pump 21 is installed, magnet coil 17 is installed above electro-magnetic pump 21 and is connected with electro-magnetic pump 21, on magnet coil 17, install and inhale iron 16, suction armature return spring 19 and push rod 18, in the section of the stretching out insertion electro-magnetic pump 21 of push rod 18, and push up mutually with electro-magnetic pump piston 20, on the right side of electro-magnetic pump 21 automatic deflation screw 11 is installed, the outlet of electro-magnetic pump 21 is connected with the main high pressure fuel pipe that high pressure fuel pipe and hydraulic braking master cylinder 5 export; Relay 23 is installed near storage battery, this relay 23 is inhaled iron 22, relay normally open switch 25 and normal open switch pull back spring 24 by relay coil, relay and is formed, one open contact of this relay normally open switch 25 is connected with lead with the positive pole of magnet coil 17, and another contact of relay normally open switch 25 is connected with lead is corresponding with storage battery; Receive the receptor 26 of electro-optical tubes at the center of automotive front end mounting strap, establish the negative earth device in this receptor 26 and be connected with lead is corresponding with the positive and negative electrode of relay 23; Be provided with vacuum contactor 36 on the right side of vacuum room 35, this vacuum contactor 36 is connected with lead with the negative pole of receptor 26; In addition, in the inboard of automotive frame vacuum valve 38 is installed also, the outlet, inlet mouth of vacuum valve 38 is connected with air intake branch of the engine 39 and vacuum room 35 respectively, and its oil inlet and main high pressure fuel pipe are connected; Before the hydraulic braking running car, drive the staff and receiver 6 should be filled with braking liquid, adopt and conventional repeatedly to step on brake pedal 1 and screw repeatedly, unscrew the action of bleed screw 11, the discharging of air in the hydraulic brake system is clean, make in the full car brake system and be full of braking liquid, automobile ability normal operation input, before automobile, the back tailstock is with under the situation of travelling in the same way, in case the fwd vehicle is braked or sudden stop for some reason, chaufeur is stepped on brake pedal 1, promote the piston right lateral in the brake push rod 4 pushing tow hydraulic braking master cylinders 5 on the one hand, the pushing tow braking liquid enters the left grease chamber 47 of each fast fuel feed pump 33 through main high pressure fuel pipe, further pushing tow overcomes for soon piston 42 to give the application force of piston return spring 44 and move to right soon, braking liquid band in the right grease chamber 40 is pressed each hydraulic braking wheel cylinder 30 of input, overcome the effect of brake shoe return spring 29 and left and right sides brake strap opened to contact with brake wheel 27 produce friction force, braking liquid promotes vacuum valve 38 and makes the valve pocket unlatching simultaneously, the air intake branch 39 and the vacuum room 35 of automotive engine are connected, vacuum contactor 36 closures under vacuum action, relay 23 has electric current to pass through, under the effect of suction, relay normally open switch 25 closings of contact, magnet coil 17 produces high electric current, inhale iron 16 actions, it is descending to promote electro-magnetic pump piston 20, the oil pressure of electro-magnetic pump 21 inside brake liquid is raise, enter left grease chamber 47, the pressurizing piston 48 that promotes in the pressure oil pump inner chamber moves right, oil pressure and each hydraulic braking wheel cylinder 30 oil pressure of right grease chamber 40 are raise, at this moment brake strap and brake wheel 27 produce the high pressure friction, under the effect of friction, the velocity of rotation of brake wheel 27 descends rapidly, and front truck is degree of subtracting and braking fast; Vacuum contactor 36 is closed when not having vacuum pressure because of engine intake valve at air intake branch 39, vacuum contactor 36 contacts separately under the effect of vacuum diaphragm return spring, relay 23 no currents pass through, the contact of relay normally open switch 25 also separates, magnet coil 17 does not have electric current, inhaling iron 16 is with under the effect of inhaling armature return spring 19 with push rod 18, electro-magnetic pump piston 20 returns, move on the electro-magnetic pump piston 20 the interior hydraulic pressure of main high pressure fuel pipe is descended rapidly, oil pressure descends in each hydraulic braking wheel cylinder 30 thereby make, brake strap friction force under the effect of brake shoe return spring 29 reduces, this process is only finished circulation of hydraulic braking, open with engine intake valve, there is vacuum power to exist in the air intake branch 39, the closing of contact of vacuum contactor 36, the relay 23 beginnings second periodical duty process, the closing of contact of relay normally open switch 25, electro-magnetic pump 21 work one pressurizing

piston

48 and 45 work of pressurizing piston bar-each hydraulic braking wheel cylinder 30 work, oil pressure pressure improves, drag friction power improves, brake strap depends on air intake branch 39 vacuum power frequencies to the friction force frequency of braking hub 27, that is to say the rotating speed decision of driving engine, engine speed is high more, and best friction force chance is many more; On the other hand, when front truck needs glancing impact, chaufeur depresses the moment of brake pedal 1, at first drive the left arm action of braking armed lever 3, emission switch 2 closures with front truck, connect the negative pole circuit of projector 37, projector 37 sends signal, signal is received by the receptor 26 of back car, then the both positive and negative polarity of the receptor 26 of car is connected with the relay 23 of back car, have electric current to pass through, relay is inhaled iron 22 generation suction makes relay normally open switch 25 closings of contact, magnet coil 17 work of back car, it is descending to inhale iron 16 promotion electro-magnetic pump pistons 20, make high hydraulic brake fluid promote interior pressurizing piston 48 right laterals of pressure oil pump, make right grease chamber 40 fluid enter back each hydraulic braking wheel cylinder 30 of car, simultaneously, the high hydraulic brake fluid of back car electro-magnetic pump 21 also promotes vacuum valve 38 actions, make the closing of contact of the vacuum contactor 36 of back car, relay 23 work promote pressurizing piston 48 work simultaneously, and the back car is braked rapidly; In brief, the current line vehicle is when needs braking and sudden stop, first pin is stepped on brake pedal 1, at first the emission switch 2 that front truck is often opened is connected, the projector 37 of the tailstock transmits and is received by the receptor 26 of pursuit-type vehicle, relay 23 work of pursuit-type vehicle, electro-magnetic pump 21 work of back car, the back car of trailing produces autobrake, key is that the process of back car braking is to occur in front truck not finish before the braking, this is because front truck braking need overcome the gap before brake pedal 1 play motion and hydraulic braking master cylinder 5 work and the free clearance of each system, as hydraulic braking wheel cylinder 30 play motions etc., this process need time, be far longer than back car electronic component work-hours during this period of time, so the utmost point before front truck is not also finished braking in the short time, back car has just shifted to an earlier date autobrake, so just can avoid the generation of rear-end collision accident effectively, effectively ensure driver and crew's life, the safety of property.

In addition, when the leather cup in certain hydraulic braking wheel cylinder 30 damages or certain root when dividing the pump hose leakage of oil, lack hydraulic oil in the right grease chamber 40 of fast fuel feed pump 33, this hydraulic braking wheel cylinder 30 is malfunctioning, at this moment, chaufeur is stepped on brake pedal 1, make hydraulic braking master cylinder 5 and electro-magnetic pump 21 work, high-voltage hydraulic oil in the main high pressure fuel pipe enters the left grease chamber 47 of fast fuel feed pump 33, promoting the fast piston 42 pushing tows pressurization cylinder sleeve 41 of giving moves right, make C face on the right-hand member section of pressurization cylinder sleeve 41 and the D face sealing on the oil outlet B of the pump housing 50, simultaneously, under the effect of left grease chamber 47 mesohigh hydraulic oil, pressurizing piston bar 45 also moves to right, and seals the central through hole of pressurization cylinder sleeve 41 right-hand member sections, stops fuel feeding in hydraulic braking wheel cylinder 30 that damages or branch pump hose, and guarantee the normal brake application of other hydraulic braking wheel cylinders 30, prevent to take place because of the accident that hydraulic braking wheel cylinder 30 damaged and divided the pump hose leakage of oil and influences full car brakeless.

In addition, in the proper site of automobile centrifugal sensor 32 is installed, the positive pole of centrifugal sensor 32 is connected with source switch K, negative pole is connected with the negative pole of relay 23, the housing 54 of centrifugal sensor 32 is visual housing, visual loam cake 64 is installed at its top, inclination rheostat 51 is installed on top at housing 54 inner chambers of centrifugal sensor 32, on the right side, bottom of housing 54 inner chambers of centrifugal sensor 32 top ripple rheostat 57 is installed, centre mounting seat 60 at the inner chamber of the housing 54 of centrifugal sensor 32, installing and locating pallet 59 on base 60, top ripple spring 61 is installed above location tray 59 from the bottom to top successively, steel ball pallet 62, circular magnet 63 and steel ball 52, the outside at the central horizontal circumference of steel ball 52, circumference uniform distribution is installed 8 cross sense of touch pins 53, the upper end of the perpendicular pin of each sense of touch pin 53 contacts with inclination rheostat 51, the lower end of perpendicular pin is the contact, each contact contacts with the centrifugal contact 56 that is installed in housing 54 inner chamber bottoms, its contact gap is adjustable, the nearly center-side of the eedles of each sense of touch pin 53 contacts with steel ball 52, and sense of touch pin pull back spring 55 is installed in the other end section of eedles, simultaneously, top ripple sensing needle 58 is installed on the right side, center of the location tray 59 in centrifugal sensor 32 inner chambers, this top ripple sensing needle 58 contacts with top ripple rheostat 57, each centrifugal contact 56 all is connected with the negative pole of relay 23, and the negative pole of top ripple rheostat 57 and magnet coil 17 the usefulness lead is corresponding joins; Mounting inclination angle instrument 31 on the instrument case of automobile, before leaning angle instrument 31, after, a left side, the right side is provided with 4 negative contacts, respectively with 51 corresponding the joining of inclination rheostat in lead and the centrifugal sensor 32, steel ball 52 acts on sense of touch pin 53 when body inclination is excessive, sense of touch pin 53 is connected ground connection with inclination rheostat 51, electric current by the centrifugal contact 56 in power supply 12V storage battery-relay 23-relay negative pole-centrifugal sensor 32 to ground connection, because of circuit constitutes the loop, so relay 23 work, the closing of contact of relay normally open switch 25,21 work of magnet coil 17 work-electro-magnetic pumps, oil pressure raises in the main high pressure fuel pipe, automatic control hydraulic braking effect is played in each hydraulic braking annex work; Another ring current is by source switch K ₁Enter leaning angle instrument 31, there are four binding posts to connect inclination rheostat 51 in front, rear, left and right respectively on the leaning angle instrument 31, when electric current is by sense of touch pin 53 ground connection under the little situation in angle of inclination, leaning angle instrument 31 has electric current to pass through, leaning angle instrument 31 pointers deflection reflects the body inclination data; When auto body tilts shake when big, top ripple sensing needle 58 is connected with top ripple rheostat 57, and electric current constitutes the loop, magnet coil 17 work, electro-magnetic pump 21 work, the control of beginning automatic hydraulic braking by power supply to-top ripple sensing needle 58-magnet coil 17 ground connection.

Top ripple rheostat 57 vertical installations, top ripple sensing needle 58 is following more, electric current is big more, oil pressure is big more in the electro-magnetic pump 21, the top wave process is interrupted, so electro-magnetic pump 21 work also are interrupted, this just in time similar driver puts the control of braking form, because the autobrake constraint, so play anti-directive effect out of control.When vehicle ', fast because of the speed of a motor vehicle, under the turning process action of centrifugal force, steel ball 52 drives sense of touch pin 53 and moves, make centrifugal contact 56 closures, relay 23 is worked automatically, electro-magnetic pump 21 work, also produce the autobrake effect, have and slow down in advance or braking, so play anti-turning overturning effect.

In addition, at indoor hydraulic braking driving switch YK and the manual button switch SK of installing respectively of vehicle drive, hydraulic braking driving switch YK is ground connection voluntarily, be connected with high pressure fuel pipe and main high pressure fuel pipe pipeline, when the receptor 26 of this car is received the passive glancing impact of preceding vehicle speed-slackening signal, be receptor 26 work, relay 23 work-electro-magnetic pumps 21 work-main high pressure fuel pipe pipelines have pressure to exist, liquid oil enters YK, the YK switch closure, the projector 37 of this car is also worked, and gives follow-up signals of vehicles, allows it brake in advance and can avoid knocking into the back; Hand push button switch S K has two binding posts, a ground connection, another succeeds the negative pole of electrical equipment 23 with lead, when hydraulic braking master cylinder 5 breaks down,, brake pedal 1 bad as total pump cup can not step on any more or situation such as storage tanker 6 oil starvations under need braking, chaufeur only need be pressed the SK switch, electro-magnetic pump 21 work, with electro-magnetic pump 21 help braking, so SK has the emergency brake function, avoids causing the accident because of brakeless behind hydraulic braking master cylinder 5 faults or the engine off.

On the automobile of compressed air brake, except the same with the hydraulic braking automobile, at corresponding site projector 37 is installed, receptor 26, emission switch 2, relay 23, magnet coil 17, electro-magnetic pump 21, outside centrifugal sensor 32 and the corresponding connection, hydraulic control contact switch 7 also is installed respectively on the crossbeam of automobile, hydraulic control two position two-way valve 10 and bleed screw 11, the oil inlet of hydraulic control contact switch 7 is connected with high-pressure pipe 9 and hydraulic control two position two-way valve 10, hydraulic control contact switch contact 8 usefulness leads are connected with projector 37 negative poles, the admission port of hydraulic control two position two-way valve 10 is connected with tracheae and air tank 12, the air extractor duct of hydraulic control two position two-way valve 10 is connected with tracheae and each compressed air brake wheel cylinder 13, hydraulic control two position two-way valve 10 oil inlets are connected with the oil outlet of high pressure liquid pressure pipe and electro-magnetic pump 21, bleed screw 11 is connected with the grease chamber of hydraulic control two position two-way valve 10, when the air break automobile front end is received the speed-slackening signal that front truck sends, receptor 37 work, relay 23 work, relay normally open switch 25 closures, electro-magnetic pump 21 work, there is hydraulic pressure to exist in the main pressure duct, hydraulic control contact switch 7 work on the one hand, hydraulic control contact switch contact 8 closed ground connection, projector 37 work, send speed-slackening signal for succeeding vehicle, on the other hand, main pressure duct communicates with hydraulic control two position two-way valve 10 oil inlets, fluid drives spool, make the high pressure gas in the air tank 12 arrive hydraulic control two position two-way valve 10 to each compressed air brake wheel cylinder 13 through pipeline, promote wheelcylinder cup 14, promote each compressed air brake and divide pump push rod 15, make a left side, it is braking force and realize the braking of automobile that right braking hoof sheet and brake wheel produce friction.

Claims

1, a kind of Multi-functional braker of car, divide pump push rod (15), air brake piping to form by brake pedal (1), braking armed lever (3), brake push rod (4), receiver (6), hydraulic braking master cylinder (5), brake wheel (27), left and right sides brake shoe brake cheek (28), brake shoe return spring (29), hydraulic braking wheel cylinder (30), storage battery, air intake branch (39), hydraulic braking pipeline, air tank (12), compressed air brake wheel cylinder (13), compressed air brake, it is characterized in that:

A, hydraulic braking automobile are installed emission switch (2) in the stage casing of braking armed lever (3) left arm, projector (37) at automobile tail mounting strap power valve, the power valve of projector (37) is positioned at the central through hole place of back licence plate, the negative pole of emission switch (2) is connected with lead with the negative pole of projector (37), and the positive pole of projector (37) is connected with lead is corresponding with storage battery;

B, near the air intake branch (39) of automotive engine, vacuum room (35) is installed, vacuum diaphragm (34) and vacuum diaphragm return spring have been installed in this vacuum room (35), be provided with vacuum contactor (36) on the right side of vacuum room (35), vacuum contactor (36) is connected with lead with the negative pole of receptor (26);

C, in the inner chamber of fast fuel feed pump (33), pressure oil pump is installed, fast fuel feed pump (33) and pressure oil pump are assembled into the inboard that is installed on automotive frame after the one, the inboard of front and back wheel crossbeam is respectively adorned one, be connected with main high pressure fuel pipe between the oil inlet A of each fast fuel feed pump (33) and the hydraulic braking master cylinder (5), the oil outlet B of each fast fuel feed pump (33) uses secondary high pressure fuel pipe and each hydraulic braking wheel cylinder (30) to be connected respectively;

D, at the medial shaft of automotive frame to electro-magnetic pump (21) is installed, be connected at the top of electro-magnetic pump (21) installation magnet coil (17) and with electro-magnetic pump (21), go up installation at magnet coil (17) and inhale iron (16), inhale armature return spring (19) and push rod (18), in the section of the stretching out insertion electro-magnetic pump (21) of push rod (18), and push up mutually with electro-magnetic pump piston (20), automatic deflation screw (11) is installed on right side at electro-magnetic pump (21), the outlet of electro-magnetic pump (21) is connected with the main high pressure fuel pipe of high pressure fuel pipe and hydraulic braking master cylinder (5) outlet, relay (23) is installed near storage battery, this relay (23) is by relay coil, relay is inhaled iron (22), relay normally open switch (25) and normal open switch pull back spring (24) are formed, one open contact of this relay normally open switch (25) is connected with lead with the positive pole of magnet coil (17), and another contact of relay normally open switch (25) is connected with lead is corresponding with storage battery;

E, receive the receptor (26) of electro-optical tubes at the center of automotive front end mounting strap, establish the negative earth device in this receptor (26) and be connected with lead is corresponding with the positive and negative electrode of relay (23), in the inboard of automotive frame vacuum valve (38) is installed also, the outlet, inlet mouth of vacuum valve (38) is connected with air intake branch of the engine (39) and vacuum room (35) respectively, and its oil inlet and main high pressure fuel pipe are connected;

F, in the proper site of automobile centrifugal sensor (32) is installed, the positive pole of centrifugal sensor (32) is connected with source switch K, negative pole is connected with the negative pole of relay (23), the housing (54) of centrifugal sensor (32) is visual housing, visual loam cake (64) is installed at its top, inclination rheostat (51) is installed on top at housing (54) inner chamber of centrifugal sensor (32), on the right side, bottom of housing (54) inner chamber of centrifugal sensor (32) top ripple rheostat (57) is installed, centre mounting seat (60) at the inner chamber of the housing (54) of centrifugal sensor (32), go up installing and locating pallet (59) at base (60), top in location tray (59) is installed top ripple spring (61) from the bottom to top successively, steel ball pallet (62), circular magnet (63) and steel ball (52), the outside at the central horizontal circumference of steel ball (52), circumference uniform distribution is installed 8 cross sense of touch pins (53), the upper end of the perpendicular pin of each sense of touch pin (53) contacts with inclination rheostat (51), the lower end of perpendicular pin is the contact, each contact contacts with the centrifugal contact (56) that is installed in housing (54) inner chamber bottom, the nearly center-side of the eedles of each sense of touch pin (53) contacts with steel ball (52), and sense of touch pin pull back spring (55) is installed in the other end section of eedles, simultaneously, top ripple sensing needle (58) is installed on the right side, center of the location tray (59) in centrifugal sensor (32) inner chamber, this top ripple sensing needle (58) contacts with top ripple rheostat (57), each centrifugal contact (56) all is connected with the negative pole of relay (23), and the negative pole of top ripple rheostat (57) joins with lead is corresponding with magnet coil (17);

G, on the instrument case of automobile mounting inclination angle instrument (31), in the front, rear, left and right of leaning angle instrument (31) 4 negative contacts are set, use corresponding the joining of inclination rheostat (51) in lead and the centrifugal sensor (32) respectively;

H, at indoor hydraulic braking driving switch YK and the manual button switch SK of installing respectively of vehicle drive, hydraulic braking driving switch YK is ground connection voluntarily, be connected with high pressure fuel pipe and main high pressure fuel pipe pipeline, hand push button switch S K has two binding posts, a ground connection, another succeeds the negative pole of electrical equipment (23) with lead;

I, hydraulic control contact switch (7) is installed respectively on the crossbeam of automobile, hydraulic control two position two-way valve (10) and bleed screw (11), the oil inlet of hydraulic control contact switch (7) is connected with high-pressure pipe (9) and hydraulic control two position two-way valve (10), hydraulic control contact switch contact (8) is connected with projector (37) negative pole with lead, the admission port of hydraulic control two position two-way valve (10) is connected with tracheae and air tank (12), the air extractor duct of hydraulic control two position two-way valve (10) is connected with tracheae and each compressed air brake wheel cylinder (13), hydraulic control two position two-way valve (10) oil inlet is connected with the oil outlet of high pressure liquid pressure pipe and electro-magnetic pump (21), and bleed screw (11) is connected with the grease chamber of hydraulic control two position two-way valve (10).

2, Multi-functional braker of car according to claim 1, it is characterized in that fast fuel feed pump (33) is by the pump housing (50), adjust cover (49), the fast piston (42) of giving, the fast piston return spring (44) of giving, oil inlet A, grease chamber (47), a left side, right grease chamber (40), oil outlet B forms, be installed in and adjust cover (49) and give pressure oil pump in the step central through hole left large and right small of piston (42) soon by the cylinder sleeve (41) that pressurizes, pressurized cylinder cover return spring (43), pressurizing piston (48), pressurizing piston bar (45), pressurizing piston pull back spring (46) is formed, sliding being contained in of pressurization cylinder sleeve (41) adjusted cover (49) and fast giving in the step central through hole of piston (42), the right-hand member of pressurization cylinder sleeve (41) is the cylinder of band central through hole and band seam, with the fast step surface place of the endoporus of piston (42) that gives pressurized cylinder cover return spring (43) is installed at pressurization cylinder sleeve (41), and offer step through hole left large and right small at pressurization cylinder sleeve (41) center, sliding dress pressurizing piston bar (45) in this step through hole, pressurizing piston pull back spring (46), pressurizing piston (48) is equipped with seal ring on pressurizing piston (48), repairing hole and locking plate.