CN201376564Y - Motor vehicle brake system assist device - Google Patents
Motor vehicle brake system assist device Download PDFInfo
- Publication number
- CN201376564Y CN201376564Y CN200920080268U CN200920080268U CN201376564Y CN 201376564 Y CN201376564 Y CN 201376564Y CN 200920080268 U CN200920080268 U CN 200920080268U CN 200920080268 U CN200920080268 U CN 200920080268U CN 201376564 Y CN201376564 Y CN 201376564Y
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- China
- Prior art keywords
- brake
- motor vehicle
- hydraulic brake
- auxiliary device
- braking systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a motor vehicle brake system assist device which is composed of a hydraulic brake box (3), a clutch and a brake pipeline, wherein the hydraulic brake box (3) is connected with the drive system of the motor vehicle through the clutch, the clutch is combined with the original hydraulic brake system of the motor vehicle; the hydraulic brake box (3) is a closed container in which a brake shaft (31) is arranged, two groups of paddles (33) are arranged on the brake shaft (31), at least one end of the brake shaft (31) extends out of the hydraulic brake box (3). The motor vehicle brake system assist device has the beneficial effects that: the brake efficiency is improved in linear manner along with the increasing of temperature of work medium so as to radically avoid brake failure. As the hydraulic brake device of motor vehicle has smaller volume and is convenient in mounting and transport, the motor vehicle brake system assist device is applicable to industrial production and is easy for popularization.
Description
Technical field
The utility model relates to a kind of vehicle braking device, is specifically related to a kind of motor vehicle braking systems auxiliary device.
Background technology
The brake equipment of self-propelled vehicle just is to use the friction between the brake disc of compound brake shoes and steel always, and the momentum when the self-propelled vehicle normal row is driven is converted into heat energy, thereby uses the deceleration and the braking of locomotive.This device is a kind of very proven technique, but its shortcoming also be the same obviously, promptly the temperature of paying when friction rises to after certain transformation point, the rapid heat fade of friction just can occur, until braking failure occurring.This braking failure very easily takes place in self-propelled vehicle high speed, heavy duty and long descending highway section.At present, the self-propelled vehicle braking failure is one of most important reason in the highway in China train operation accident.In order to solve the braking failure problem, people have taked many methods, as utilize disc brake equipment even ventilated disc brake equipment to replace drum brake system, to improve the heat dissipation rate that braking is paid, alleviate the braking force heat fade that causes because of temperature build-up; Or use resistant to elevated temperatures stupalith to replace traditional steel brake and pay.But these methods can't fundamentally solve the heat fade phenomenon of brake system.
The utility model content
The utility model has overcome the deficiencies in the prior art, provide a kind of brake efficiency along with the working medium temperature rising and improve the self-propelled vehicle hydraulic brake device of braking effect.
For solving above-mentioned technical matters, the utility model by the following technical solutions:
A kind of motor vehicle braking systems auxiliary device, it is made of hydraulic brake case, power-transfer clutch and brake piping, and the hydraulic brake case is connected by the axle drive shaft of power-transfer clutch and self-propelled vehicle, and power-transfer clutch then combines with the original hydraulic brake system of self-propelled vehicle; Described hydraulic brake case is a fully enclosed container, and there is a brake axle the inside, and two groups of blades are set on brake axle; And having at least an end to stretch out with power-transfer clutch, brake axle links to each other.
Further technical scheme is:
Described a flower wheel is set outside driving wheel, flower wheel is driven by the motor vehicle brake fluid pressing system, and the driving wheel on the engine driveshaft is meshing or engage.
The hydraulic brake case is provided with the tank level control piston.
Every group of described two groups of blade are made up of 2-4 sheet blade, and are evenly distributed on two excircle cross-sectional planes of brake axle.
Described power-transfer clutch place is provided with bypass disc and controls the interior electrolyte level of hydraulic brake case.One end of described brake axle stretches out the hydraulic brake case and links to each other with flower wheel, link to each other thereby just connect with the motor vehicle transmission between centers, and the adapter shaft between two groups of blades is provided with reverse gear.
The two ends of described brake axle are all stretched out the hydraulic brake case and are linked to each other with flower wheel.
Compared with prior art, the utility model is realized auxiliary braking by installing a hydraulic brake case additional under the situation that does not change the motor vehicle braking systems original structure.And this hydraulic brake case is that two groups of spiral prize blades vertically are set in a fully enclosed container, two groups of propeller blade contrarotations.Fill liquid in the fully enclosed container.When the needs glancing impact, the hydraulic brake case engages with the self-propelled vehicle drive-system, and the self-propelled vehicle drive-system drives hydraulic brake case internal propeller work and agitated liquid.The resistance to flow of liquid itself and two groups of formed reverse liquid streams of blade can provide corresponding resistance.Because leakproof tank contains air, in braking procedure, liquid can produce a large amount of bubbles because of stirring in the hydraulic brake.
And along with the prolongation of work-hours, the liquid self-temperature begins to rise, and the air bubble expansion in the liquid also forms pressure.Under stress, the brake efficiency of hydraulic brake can be linear ascendant trend.And the final effect that realizes braking.
The maximum difference of the principle of work of hydraulic brake case of the present utility model and traditional braking device is that its brake efficiency can be linear raising along with the raising of working medium temperature, loses efficacy thereby fundamentally stop brake.Self-propelled vehicle hydraulic brake device volume of the present utility model is less simultaneously, and installation and transportation are convenient, are suitable for suitability for industrialized production, is easy to promote.
Description of drawings
Fig. 1 is the utility model integral structure figure;
Fig. 2 is provided with figure for blade in the hydraulic brake case of the present utility model;
Fig. 3 is the constructional drawing of the hydraulic brake case of the utility model embodiment 1;
The scheme drawing that Fig. 4 installs on the single shaft car for the utility model embodiment 1;
Fig. 5 is the constructional drawing of the hydraulic brake case of the utility model embodiment 2;
The scheme drawing that Fig. 6 installs on the twin shaft car for the utility model embodiment 2.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further elaborated.
Embodiment 1:
As shown in Figure 1, 2, a kind of motor vehicle braking systems auxiliary device, it is made of hydraulic brake case 3, power-transfer clutch and brake piping, and hydraulic brake case 3 is connected by the drive system of power-transfer clutch and self-propelled vehicle, and power-transfer clutch then combines with the original hydraulic brake system of self-propelled vehicle; Described hydraulic brake case 3 is fully enclosed containers, and there is a brake axle 31 the inside, and two groups of blades 33 are set on brake axle 31, and the adapter shaft between two groups of blades is provided with reverse gear 32; And having an end to stretch out hydraulic brake case 3 one sides, brake axle 31 links to each other with flower wheel 2.Driving wheel 4 on flower wheel 2 and the engine driveshaft is meshing or engage.Hydraulic brake case 3 opposite sides are provided with tank level control piston 30.And 33 every groups of described two groups of blades are made up of 2-4 sheet blade, and are evenly distributed on two excircle cross-sectional planes of brake axle 31.Described power-transfer clutch place is provided with bypass disc 20 and controls electrolyte level in the hydraulic brake case 3.
Embodiment 2:
As shown in Figure 1, 2, a kind of motor vehicle braking systems auxiliary device, it is made of hydraulic brake case 3, power-transfer clutch and brake piping, and hydraulic brake case 3 is connected by the drive system of power-transfer clutch and self-propelled vehicle, and power-transfer clutch then combines with the original hydraulic brake system of self-propelled vehicle; Described hydraulic brake case 3 is fully enclosed containers, and there is a brake axle 31 the inside, and two groups of blades 33 are set on brake axle 31; And brake axle 31 two ends stretch out the both sides of hydraulic brake case 3 respectively and link to each other with two flower wheels 2, so that be installed on the twin shaft car.And 33 every groups of described two groups of blades are made up of 2-4 sheet blade, and are evenly distributed on two excircle cross-sectional planes of brake axle 31.Described power-transfer clutch place is provided with bypass disc and controls electrolyte level in the hydraulic brake case 3.
The principle of work of hydraulic brake case is that two groups of spiral prize blades, two groups of propeller blade contrarotations vertically are set in a fully enclosed container.Fill liquid in the fully enclosed container.When the needs glancing impact, the hydraulic brake case engages with the self-propelled vehicle drive-system, and the self-propelled vehicle drive-system drives hydraulic brake case internal propeller work and agitated liquid.The resistance to flow of liquid itself and two groups of formed reverse liquid streams of blade can provide corresponding resistance.Because leakproof tank contains air, in braking procedure, liquid can produce a large amount of bubbles because of stirring in the hydraulic brake.
And along with the prolongation of work-hours, the liquid self-temperature begins to rise, and the air bubble expansion in the liquid also forms pressure.Under stress, the brake efficiency of hydraulic brake can be linear ascendant trend.And the final effect that realizes braking.
Because the resistance of hydraulic brake device is bigger, and its resistance ascent curve is emptier.Out of control for avoiding occurring braking the self-propelled vehicle that causes roughly, electrolyte level can change continuously in the hydraulic brake case.Promptly under the situation of the less braking force of needs, the liquid level in the hydraulic brake case is lower, and liquid flowing resistance is less; And along with the raising of chaufeur to brake request, the liquid level in the hydraulic brake case can raise gradually.And required braking force is when descending, and liquid level also can decrease.And this liquid level is regulated and can be realized by at the power-transfer clutch place bypass disc being set.
Liquid level and brake fluid temperature raise and the stronger braking force of generation, make this system thoroughly overcome the heat fade phenomenon of original the friction type brake system, and present very strong hot enhancement effect.This braking for self-propelled vehicle has and has important meaning.
For common weight carrier motor-car, can the hydraulic brake case be installed on its crossbeam, the hydrodynamic tank brake axle is driven by the motor vehicle transmission axle.On the self-propelled vehicle axle drive shaft axle sleeve is set, in establish the hydraulic clutch device.Hydraulic efficiency gear is connected with motor-rehicle braking system.During the cruising state, flower wheel separates with driving wheel.When brake pedal is operated, when brake system fluid power machine was buied property living pressure, flower wheel was promptly realized combining with driving wheel, and hydraulic-braking system is started working.And along with brake pedal is stepped on deeplyer, the hydraulic coupling of brake system Nei Genggao then is used in the electrolyte level of adjusting in the hydraulic brake case.
And partly pull and tractor-trailer on, then can on its axletree, install the hydraulic brake device additional, and utilize the braking fluid power output system of trailer to realize and the cooperating of motor vehicle braking systems.
This system architecture is simple, except that regularly adding the braking liquid that consumes because of evaporation service free.Except can be in new car is made the direct mount, other vehicles that used also can install additional.
Liquid in the brake box is common oils, and the lubricating oil of eliminating also can meet the demands.
Along with the continuous lifting of self-propelled vehicle safety specifications, ABS (anti-lock braking system) has begun to apply on motor omnibus and the load-carrying vehicle.Since this system and the interlock of motor vehicle brake fluid pressing system, and the ABS system works by hydraulic braking system, therefore uses this hydraulic brake device can not produce seized phenomenon.
Claims (7)
1, a kind of motor vehicle braking systems auxiliary device comprises power-transfer clutch and brake piping, it is characterized in that: hydraulic brake case (3) is connected by the axle drive shaft of power-transfer clutch and self-propelled vehicle, and power-transfer clutch then combines with the original hydraulic brake system of self-propelled vehicle; Described hydraulic brake case (3) is a fully enclosed container, and there is a brake axle (31) the inside, two groups of blades (33) are set on brake axle (31), and brake axle (31) has an end to stretch out hydraulic brake case (3) at least.
2, motor vehicle braking systems auxiliary device according to claim 1 is characterized in that: described power-transfer clutch is provided with a flower wheel (2) outside driving wheel, and flower wheel (2) is meshing with the driving wheel (4) on the engine driveshaft or engage.
3, motor vehicle braking systems auxiliary device according to claim 1 and 2 is characterized in that: hydraulic brake case (3) is provided with tank level control piston (30).
4, motor vehicle braking systems auxiliary device according to claim 1 and 2 is characterized in that: every group of described two groups of blade (33) are made up of 2-4 sheet blade, and are evenly distributed on two excircle cross-sectional planes of brake axle (31).
5, motor vehicle braking systems auxiliary device according to claim 2 is characterized in that: described power-transfer clutch place is provided with bypass disc and controls the interior electrolyte level of hydraulic brake case (3).
6, motor vehicle braking systems auxiliary device according to claim 2 is characterized in that: an end of described brake axle (31) stretches out hydraulic brake case (3) and links to each other with flower wheel (2), links to each other thereby just connect with the motor vehicle transmission between centers; Adapter shaft between two groups of blades is provided with reverse gear (32).
7, motor vehicle braking systems auxiliary device according to claim 2 is characterized in that: the two ends of described brake axle (31) are all stretched out hydraulic brake case (3) and are linked to each other with flower wheel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920080268U CN201376564Y (en) | 2009-04-17 | 2009-04-17 | Motor vehicle brake system assist device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920080268U CN201376564Y (en) | 2009-04-17 | 2009-04-17 | Motor vehicle brake system assist device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201376564Y true CN201376564Y (en) | 2010-01-06 |
Family
ID=41516664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920080268U Expired - Fee Related CN201376564Y (en) | 2009-04-17 | 2009-04-17 | Motor vehicle brake system assist device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201376564Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477156A (en) * | 2014-12-26 | 2015-04-01 | 田立树 | Hydraulic braking device special for heavy-duty truck |
-
2009
- 2009-04-17 CN CN200920080268U patent/CN201376564Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477156A (en) * | 2014-12-26 | 2015-04-01 | 田立树 | Hydraulic braking device special for heavy-duty truck |
| CN104477156B (en) * | 2014-12-26 | 2017-02-08 | 田立树 | Hydraulic braking device special for heavy-duty truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100106 Termination date: 20110417 |