CN204956457U - Hydraulic pressure auxiliary braking system all - Google Patents
Hydraulic pressure auxiliary braking system all Download PDFInfo
- Publication number
- CN204956457U CN204956457U CN201520660591.5U CN201520660591U CN204956457U CN 204956457 U CN204956457 U CN 204956457U CN 201520660591 U CN201520660591 U CN 201520660591U CN 204956457 U CN204956457 U CN 204956457U
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- Prior art keywords
- brake
- hab
- oil
- oil outlet
- way joint
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to a hydraulic pressure auxiliary braking system all, carry a proportional valve, HAB energy storage jar, HAB pump and oil storage kettle assembly, rear brake and connecting line including brake pump assembly, brake fluid oil storage kettle, six logical joints, left front stopper, right front stopper, sense. The utility model discloses an it is connected with the brake pump assembly to set up HAB energy storage jar to HAB energy storage jar perception brake pressure provides the aperture of feel carrying the proportional valve through HAB pump and oil storage kettle assembly and controls the rear brake, and HAB braking miscellaneous function when realizing nos ABS system at vehicle straight line driving and the turn is travel and brake deceleration when very big, makes the rear wheel prior to front wheel entering ABS regulation state, can guarantee like this that the vehicle possess higher stability.
Description
Technical field
The utility model belongs to braking technology field, refers to a kind of hydraulic auxiliary brake system especially.
Background technology
Hydraulic auxiliary brake system HAB (hydraulicassistbrake) can according to the difference of automobile axle load (owing to producing axle load transfer during automobile brake), and automatically regulate the brakig force distribution ratio of axle, improve brake efficiency, and coordinate ABS system to improve insensitivity.
The function of HAB is, its straight line travel and turning driving and braking deceleration very large time, make trailing wheel not enter ABS adjustment state prior to front-wheel.Can ensure that vehicle has higher stability like this.
The function i ntegration of HAB is in ABS system, it is the additional function of ABS system, when vehicle is slightly braked, during Wheel lock-free tendency, HAB function works, particularly during crooked-running, rotating speed and the speed of a motor vehicle of wheel is calculated by the signal electron control unit (ECU) of the wheel speed sensors record of four wheels, draw the slip rate of four wheels, if rear wheel slip rate is excessive, then reduce the brake-pressure of trailing wheel, to ensure the motoring condition of vehicle stabilization, once ABS starts to play regulatory role, HAB quits work.
When ABS system jam, brake-pressure controller can be replaced, the electron steering realizing braking force distributes automatically, ensure that can call deceleration of electrons distributes emergency function when ABS breaks down and start ABS alarm lamp, avoids because driver habit brake operating factor impacts traffic safety.
HAB function in existing technology is the additional function of ABS system, and HAB system cannot be applied separately in car load.
Utility model content
The purpose of this utility model is to provide a kind of hydraulic booster system, and by this ancillary system, realizing hydraulic auxiliary brake system can apply separately in car load.
The utility model is achieved through the following technical solutions:
A kind of hydraulic auxiliary brake system, includes brake pump assembly, braking liquid oil storage kettle, six-way joint, left front brake, right front brake, load sensing valve, HAB energy storage canister, HAB pump and oil storage kettle assembly, rear brake and connecting line;
Described braking liquid oil storage kettle is connected by described connecting line with the oil inlet of described brake pump assembly; First oil outlet of described brake pump assembly is connected by described connecting line with the first oil inlet of described six-way joint; Second oil outlet of described brake pump assembly is connected by described connecting line with the second oil inlet of described six-way joint;
First oil outlet of described six-way joint is connected by described connecting line with described left front brake; Second oil outlet of described six-way joint is connected by described connecting line with described right front brake; 3rd oil outlet of described six-way joint is connected by described connecting line with the first oil inlet of described load sensing valve;
4th oil outlet of described six-way joint is connected by described connecting line with the first oil inlet of described HAB energy storage canister;
The oil outlet of described HAB pump and oil storage kettle assembly is connected by described connecting line with the second oil inlet of described HAB energy storage canister;
First oil outlet of described HAB energy storage canister is connected by described connecting line with the second oil inlet of described load sensing valve; Second oil outlet of described HAB energy storage canister is connected by described connecting line with the oil inlet of described HAB pump and oil storage kettle assembly;
The oil outlet of described load sensing valve is connected by described connecting line with described rear brake.
Also include vacuum booster; Described vacuum booster is arranged on described brake pump assembly;
Vacuum pump and vacuum cylinder; Be connected by pipeline between described vacuum pump with described vacuum cylinder; Described vacuum cylinder is connected by pipeline with described vacuum booster.
Also check valve is provided with between described vacuum pump and described vacuum cylinder.
Vacuum manometer is provided with between described check valve and described vacuum pump.
Include when described brake pump assembly action,
First braking liquid stream, braking liquid from the first oil outlet of described brake pump assembly after the first oil inlet of described six-way joint, the first oil outlet respectively by described six-way joint enters described left front brake, enter described right front brake by the second oil outlet of described six-way joint, enter described rear brake by the 3rd oil outlet of described six-way joint;
Second braking liquid stream, braking liquid by after the second oil inlet of described six-way joint, enters the first oil inlet of described HAB energy storage canister from the second oil outlet of described brake pump assembly by the 4th oil outlet of described six-way joint;
3rd braking liquid stream, braking liquid enters the second oil inlet of described HAB energy storage canister from the oil outlet of described HAB pump and oil storage kettle assembly, the second oil inlet of described load sensing valve is entered, to control the aperture of load sensing valve by the first oil outlet of described HAB energy storage canister.
The beneficial effects of the utility model are:
The utility model is connected with brake pump assembly by arranging HAB energy storage canister, and HAB energy storage canister perception brake-pressure, the aperture of load sensing valve is provided to control rear brake by HAB pump and oil storage kettle assembly, realize without HAB brake assist function during ABS system, its straight line travel and turning driving and braking deceleration very large time, make trailing wheel not enter ABS adjustment state prior to front-wheel, can ensure that vehicle has higher stability like this.
Accompanying drawing explanation
Fig. 1 is the utility model hydraulic auxiliary brake systematic schematic diagram.
Description of reference numerals
1 brake pump assembly, 2 vacuum boosters, 3 brake pedals, 4 left front brake, 5 right front brake, 6 braking liquid oil storage kettles, 7 six-way joint, 8 vacuum cylinders, 9 check valves, 10 vacuum pumps, 11HAB pump and oil storage kettle assembly, 12HAB energy storage canister, 13 load sensing valves, 14 rear brake, first oil outlet of 101 brake pump assemblies, second oil outlet of 102 brake pump assemblies, first oil inlet of 71 six-way joint, second oil inlet of 72 six-way joint, first oil outlet of 73 six-way joint, second oil outlet of 74 six-way joint, 3rd oil outlet of 75 six-way joint, 4th oil outlet of 76 six-way joint, the oil inlet of 111HAB pump and oil storage kettle assembly, the oil outlet of 112HAB pump and oil storage kettle assembly, first oil inlet of 121HAB energy storage canister, second oil outlet of 122HAB energy storage canister, first oil outlet of 123HAB energy storage canister, second oil inlet of 124HAB energy storage canister, second oil inlet of 131 load sensing valves, the oil outlet of 132 load sensing valves, first oil inlet of 133 load sensing valves.
Detailed description of the invention
Describe the technical solution of the utility model in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and the technical solution of the utility model being described, and can not be used for explaining to be restriction to technical solutions of the utility model.
The utility model provides a kind of hydraulic auxiliary brake system, as shown in Figure 1, brake pump assembly 1, braking liquid oil storage kettle 6, six-way joint 7, left front brake 4, right front brake 5, load sensing valve 13, HAB energy storage canister 12, HAB pump and oil storage kettle assembly 11, rear brake 14 and connecting line is included; In this application, brake pump assembly 1 also includes vacuum booster 2, and described vacuum booster 2 is arranged on described brake pump assembly 1.
Also comprise vacuum pump 10 and vacuum cylinder 8; Be connected by pipeline between described vacuum pump 10 with described vacuum cylinder 8; Described vacuum cylinder 8 is connected by pipeline with described vacuum booster 2.Check valve 9 is also provided with between described vacuum pump 10 and described vacuum cylinder 8.Vacuum manometer is provided with between described check valve 9 and described vacuum pump 10.
After engine starting, vacuum pump 10 is started working, by vacuum storage in vacuum cylinder 8.
Described braking liquid oil storage kettle 6 is connected by described connecting line with the oil inlet of described brake pump assembly 1; First oil outlet 101 of described brake pump assembly is connected by described connecting line with the first oil inlet 71 of described six-way joint; Second oil outlet 102 of described brake pump assembly is connected by described connecting line with the second oil inlet 72 of described six-way joint;
First oil outlet 73 of described six-way joint is connected by described connecting line with described left front brake 4; Second oil outlet 74 of described six-way joint is connected by described connecting line with described right front brake 5; 3rd oil outlet 75 of described six-way joint is connected by described connecting line with the first oil inlet 133 of described load sensing valve;
4th oil outlet 76 of described six-way joint is connected by described connecting line with the first oil inlet 121 of described HAB energy storage canister;
The oil outlet 112 of described HAB pump and oil storage kettle assembly is connected by described connecting line with the second oil inlet 124 of described HAB energy storage canister;
First oil outlet 123 of described HAB energy storage canister is connected by described connecting line with the second oil inlet 131 of described load sensing valve; Second oil outlet 122 of described HAB energy storage canister is connected by described connecting line with the oil inlet 111 of described HAB pump and oil storage kettle assembly;
The oil outlet 132 of described load sensing valve is connected by described connecting line with described rear brake 14.
Include when described brake pump assembly action,
First braking liquid stream, braking liquid from the first oil outlet 101 of described brake pump assembly after the first oil inlet 71 of described six-way joint, the first oil outlet 73 respectively by described six-way joint enters described left front brake 4, enter described right front brake 5 by the second oil outlet 74 of described six-way joint, enter described rear brake 14 by the 3rd oil outlet 75 of described six-way joint;
Second braking liquid stream, braking liquid by after the second oil inlet 72 of described six-way joint, enters the first oil inlet 121 of described HAB energy storage canister from the second oil outlet 102 of described brake pump assembly by the 4th oil outlet 76 of described six-way joint;
3rd braking liquid stream, braking liquid enters the second oil inlet 124 of described HAB energy storage canister from the oil outlet 112 of described HAB pump and oil storage kettle assembly, the second oil inlet 131 of described load sensing valve is entered, to control the aperture of load sensing valve by the first oil outlet 123 of described HAB energy storage canister.
When chaufeur needs braking, step on brake pedal 3, increasing thrust by the vacuum booster 2 in vacuum booster band brake pump assembly adds on brake pump assembly 1, along with the movement of brake pump assembly inner carrier, then in whole brake piping, the pressure of braking liquid raises gradually, braking liquid simultaneously in braking liquid oil storage kettle can be filled up brake pump assembly piston in time and move left gap, in order to avoid air is mixed into brake pipeline system.
Braking liquid from the first oil outlet of described brake pump assembly after the first oil inlet of described six-way joint, the first oil outlet respectively by described six-way joint enters described left front brake, enter described right front brake by the second oil outlet of described six-way joint, enter described rear brake by the 3rd oil outlet of described six-way joint; But now, load sensing valve is not open-minded, therefore the 3rd outlet of six-way joint does not have braking liquid flow with rear brake, and namely left front brake and right front brake are subject to the pressure that brake piping transmits and realize braking.
Meanwhile, braking liquid by after the second oil inlet of described six-way joint, enters the first oil inlet of described HAB energy storage canister from the second oil outlet of described brake pump assembly by the 4th oil outlet of described six-way joint; Now, HAB energy storage canister perception master brake cylinder pressure, the oil outlet of HAB pump and oil storage kettle assembly described in braking liquid is entered the second oil inlet of described HAB energy storage canister by pressure switch signal control HAB pump and oil storage kettle assembly by the pressure of HAB energy storage canister thus, the second oil inlet of described load sensing valve is entered, to control the aperture of load sensing valve by the first oil outlet of described HAB energy storage canister.
Load sensing valve adjusts rear brake duct road pressure by the change of spacing of induction back axle and vehicle frame, before and after actual under making sky, full load conditions, brakig force distribution curve is more close to ideal braking force distribution curve, thus trailing wheel elder generation and front-wheel locking when preventing car load from braking.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalency thereof.
Claims (5)
1. a hydraulic auxiliary brake system, is characterized in that: include brake pump assembly, braking liquid oil storage kettle, six-way joint, left front brake, right front brake, load sensing valve, HAB energy storage canister, HAB pump and oil storage kettle assembly, rear brake and connecting line;
Described braking liquid oil storage kettle is connected by described connecting line with the oil inlet of described brake pump assembly; First oil outlet of described brake pump assembly is connected by described connecting line with the first oil inlet of described six-way joint; Second oil outlet of described brake pump assembly is connected by described connecting line with the second oil inlet of described six-way joint;
First oil outlet of described six-way joint is connected by described connecting line with described left front brake; Second oil outlet of described six-way joint is connected by described connecting line with described right front brake; 3rd oil outlet of described six-way joint is connected by described connecting line with the first oil inlet of described load sensing valve;
4th oil outlet of described six-way joint is connected by described connecting line with the first oil inlet of described HAB energy storage canister;
The oil outlet of described HAB pump and oil storage kettle assembly is connected by described connecting line with the second oil inlet of described HAB energy storage canister;
First oil outlet of described HAB energy storage canister is connected by described connecting line with the second oil inlet of described load sensing valve; Second oil outlet of described HAB energy storage canister is connected by described connecting line with the oil inlet of described HAB pump and oil storage kettle assembly;
The oil outlet of described load sensing valve is connected by described connecting line with described rear brake.
2. hydraulic auxiliary brake system according to claim 1, is characterized in that: also include vacuum booster; Described vacuum booster is arranged on described brake pump assembly;
Vacuum pump and vacuum cylinder; Be connected by pipeline between described vacuum pump with described vacuum cylinder; Described vacuum cylinder is connected by pipeline with described vacuum booster.
3. hydraulic auxiliary brake system according to claim 2, is characterized in that: between described vacuum pump and described vacuum cylinder, be also provided with check valve.
4. hydraulic auxiliary brake system according to claim 3, is characterized in that: between described check valve and described vacuum pump, be provided with vacuum manometer.
5. hydraulic auxiliary brake system according to claim 1, is characterized in that: include when described brake pump assembly action,
First braking liquid stream, braking liquid from the first oil outlet of described brake pump assembly after the first oil inlet of described six-way joint, the first oil outlet respectively by described six-way joint enters described left front brake, enter described right front brake by the second oil outlet of described six-way joint, enter described rear brake by the 3rd oil outlet of described six-way joint;
Second braking liquid stream, braking liquid by after the second oil inlet of described six-way joint, enters the first oil inlet of described HAB energy storage canister from the second oil outlet of described brake pump assembly by the 4th oil outlet of described six-way joint;
3rd braking liquid stream, braking liquid enters the second oil inlet of described HAB energy storage canister from the oil outlet of described HAB pump and oil storage kettle assembly, the second oil inlet of described load sensing valve is entered, to control the aperture of load sensing valve by the first oil outlet of described HAB energy storage canister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520660591.5U CN204956457U (en) | 2015-08-27 | 2015-08-27 | Hydraulic pressure auxiliary braking system all |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520660591.5U CN204956457U (en) | 2015-08-27 | 2015-08-27 | Hydraulic pressure auxiliary braking system all |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204956457U true CN204956457U (en) | 2016-01-13 |
Family
ID=55051539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520660591.5U Withdrawn - After Issue CN204956457U (en) | 2015-08-27 | 2015-08-27 | Hydraulic pressure auxiliary braking system all |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204956457U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035051A (en) * | 2015-08-27 | 2015-11-11 | 安徽江淮汽车股份有限公司 | Hydraulic auxiliary braking system |
| CN108891395A (en) * | 2018-09-07 | 2018-11-27 | 杭叉集团股份有限公司 | A kind of vehicle and its front and back wheel brake force distribution system |
-
2015
- 2015-08-27 CN CN201520660591.5U patent/CN204956457U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035051A (en) * | 2015-08-27 | 2015-11-11 | 安徽江淮汽车股份有限公司 | Hydraulic auxiliary braking system |
| CN105035051B (en) * | 2015-08-27 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | A kind of hydraulic auxiliary brake system |
| CN108891395A (en) * | 2018-09-07 | 2018-11-27 | 杭叉集团股份有限公司 | A kind of vehicle and its front and back wheel brake force distribution system |
| CN108891395B (en) * | 2018-09-07 | 2023-07-07 | 杭叉集团股份有限公司 | Vehicle and front and rear wheel braking force distribution system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160113 Effective date of abandoning: 20170704 |
|
| AV01 | Patent right actively abandoned |