CN202294752U - Wire-controlled electric hydraulic brake - Google Patents

Wire-controlled electric hydraulic brake Download PDF

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Publication number
CN202294752U
CN202294752U CN2011203565994U CN201120356599U CN202294752U CN 202294752 U CN202294752 U CN 202294752U CN 2011203565994 U CN2011203565994 U CN 2011203565994U CN 201120356599 U CN201120356599 U CN 201120356599U CN 202294752 U CN202294752 U CN 202294752U
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CN
China
Prior art keywords
auxiliary
brake
clamp
check valve
main
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
Application number
CN2011203565994U
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Chinese (zh)
Inventor
张竹林
戴汝泉
于明进
周长峰
衣丰艳
邱绪云
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Shandong Jiaotong University
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Shandong Jiaotong University
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Application filed by Shandong Jiaotong University filed Critical Shandong Jiaotong University
Priority to CN2011203565994U priority Critical patent/CN202294752U/en
Application granted granted Critical
Publication of CN202294752U publication Critical patent/CN202294752U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a wire-controlled electric hydraulic brake. The wire-controlled electric hydraulic brake consists of a brake disc, calipers, an auxiliary hydraulic cylinder, a bracket, a return spring, a magnetorheological clutch, a force-taking gear shaft, an auxiliary piston, a swash plate shaft, a left friction plate, a right friction plate, a main piston, a main sealing ring, an auxiliary sealing ring, an auxiliary one-way valve, a main one-way valve, a pressure adjusting unit and a controller. The wire-controlled electric hydraulic brake adopts a mode of combining brake by taking force from the brake disc and a main brake, and the higher the automobile speed is, the shorter the action time of the brake is, and the better the brake effect is, so the problem of hysteresis of brake liquid can be effectively solved, control integrated with ABS, ASR, EDB and the like is convenient to realize, and the wire-controlled electric hydraulic brake has the advantages of simple structure, low energy consumption, high response speed, capacities of reducing brake distance and improving brake stability, and the like.

Description

A kind of line traffic control electro-hydraulic brake device
Technical field
The utility model relates to car brake, relates in particular to a kind of line traffic control electro-hydraulic brake device.
Background technology
Drg is important component part on the automobile, is vital safety device, and the quality of its quality and performance has influence on traffic safety.Along with the development of society and the increase of vehicle society recoverable amount, the good deceleration and stopping performance of vehicle has caused the extensive concern of society, and travel safety is had higher requirement.
Car brake mainly is to adopt the conventional hydraulic brake mode now, and brake piping is long, valve element is many, often causes the hydraulic pressure transfer lag time oversize; Add the lagging characteristics of mechanical braking structure; Very easily produce braking retardation, this can make stopping distance increase undoubtedly, and safety reduces.
In order to reduce stopping distance, improve travel safety, the line traffic control that begins one's study now electro-hydraulic brake device.Line traffic control electro-hydraulic brake device is to utilize high-pressure storage tank to make brake system set up brake fluid pressure fast, produces braking force, effectively shortens the response lag time of hydraulic efficiency pressure system.Adopt the high pressure fluid reservoir to need extra high pressure pump, can increase energy consumption.
In order to improve brake efficiency and to cut down the consumption of energy, need research a kind of simple in structure, speed of response fast, cost and the low New Brake of energy consumption.
Summary of the invention
The deficiency that the utility model exists to existing brake system; A kind of line traffic control electro-hydraulic brake device is proposed; Can produce high hydraulic brake fluid from the brake disc power taking, have simple in structure, low energy consumption, speed of response fast, reduce stopping distance and improve advantages such as insensitivity.
The utility model is realized through following technical measures:
A kind of line traffic control electro-hydraulic brake device is made up of brake disc, clamp, auxiliary hydraulic cylinder, support, pull back spring, magnetic rheological clutch, power take-off gear axle, auxiliary piston, wobbler shaft, left friction lining, right friction lining, main piston, primary seal circle, auxiliary seal ring, auxiliary check valve, main check valve, pressure regulating unit and controller, and clamp are fixedly mounted on the vehicle frame; Brake disc is installed on the axletree, and left friction lining, right friction lining are installed on the guide rail of clamp respectively and are arranged in the both sides of brake disc, and main piston is installed in the cylinder barrel on the clamp; The open end of main piston is pressed on the right friction lining, and the primary seal circle is installed in the open slot of cylinder barrel on main piston and the clamp, and support is fixedly mounted on the clamp; Auxiliary hydraulic cylinder is fixedly mounted on the support; Auxiliary piston is installed in the cylinder barrel of auxiliary hydraulic cylinder, and auxiliary seal ring is installed in the open slot of auxiliary piston and auxiliary hydraulic cylinder, and the inclined-plane open end of auxiliary piston contacts with the swash plate face of wobbler shaft; Wobbler shaft and pull back spring key connecting; Pull back spring is fixedly mounted on the support, and wobbler shaft adopts wear-resistant sleeve rack-mount, the mouth key connecting of the axle head of wobbler shaft and magnetic rheological clutch; Magnetic rheological clutch is fixedly mounted on the clamp; The gear of power take-off gear axle and the engagement of brake disc tooth, the axle head of power take-off gear axle adopts key to be installed on the input end of magnetic rheological clutch, and auxiliary check valve and main check valve are installed on the clamp; The A mouth of auxiliary hydraulic cylinder adopts pipeline to be connected with an end of main check valve 16; The other end of main check valve is connected with the E mouth of clamp through pipeline, and the C mouth of clamp is connected with pressure regulating unit through pipeline with the D mouth, and the B mouth of auxiliary hydraulic cylinder is connected with an end of auxiliary check valve through pipeline; The other end of auxiliary check valve takes back petrol storage tank through pipeline, and magnetic rheological clutch, pressure regulating unit and controller are electrically connected.
Above-mentioned auxiliary piston open end is the inclined-plane.
Above-mentioned magnetic rheological clutch is for adopting the intellectual material clutch with magnetic rheologic liquid.
The beneficial effect of the utility model is: a kind of line traffic control electro-hydraulic brake device adopts and brakes the mode that combines with main brake from the brake disc power taking; The speed of a motor vehicle is high more; The drg onset time is short more, and braking effect is good more, can effectively improve the braking liquid delay problem; Be convenient to realize integrated controls such as ABS, ASR, EDB, have simple in structure, low energy consumption, speed of response fast, reduce stopping distance and improve advantages such as insensitivity.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of the utility model.
Fig. 3 is the front view of the utility model.
Fig. 4 is the left view of the utility model.
Fig. 5 is the birds-eye view of the utility model.
Fig. 6 is the A-A cutaway view of the utility model.
Fig. 7 is auxiliary piston and an auxiliary hydraulic cylinder scheme of installation shown in Figure 4.
Fig. 8 is an auxiliary piston characteristic scheme drawing shown in Figure 4.
Fig. 9 is the hydraulic principle schematic of the utility model.
Figure 10 is the electrical connection scheme drawing of the utility model.
Among the figure: 1-brake disc, 2-clamp, 3-auxiliary hydraulic cylinder, 4-support, 5-pull back spring; The 6-magnetic rheological clutch, 7-power take-off gear axle, 8-auxiliary piston, 9-wobbler shaft, 10-left side friction lining; The right friction lining of 11-, 12-main piston, 13-primary seal circle, 14-auxiliary seal ring; 15-assists check valve, 16-master's check valve, 17-pressure regulating unit, 18-controller.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below through a specific embodiment, and combine accompanying drawing, this programme is set forth.
A kind of line traffic control electro-hydraulic brake device is made up of brake disc 1, clamp 2, auxiliary hydraulic cylinder 3, support 4, pull back spring 5, magnetic rheological clutch 6, power take-off gear axle 7, auxiliary piston 8, wobbler shaft 9, left friction lining 10, right friction lining 11, main piston 12, primary seal circle 13, auxiliary seal ring 14, auxiliary check valve 15, main check valve 16, pressure regulating unit 17 and controller 18, and clamp 2 are fixedly mounted on the vehicle frame; Brake disc 1 is installed on the axletree; A left side friction lining 10, right friction lining 11 are installed on the guide rail of clamp 2 respectively and are arranged in the both sides of brake disc 1, and main piston 12 is installed in the cylinder barrel on the clamp 2, and the open end of main piston 12 is pressed on the right friction lining 11; Primary seal circle 13 is installed in the open slot of cylinder barrel on main piston 12 and the clamp 2; Support 4 is fixedly mounted on the clamp 2, and auxiliary hydraulic cylinder 3 is fixedly mounted on the support 4, and auxiliary piston 8 is installed in the cylinder barrel of auxiliary hydraulic cylinder 3; Auxiliary seal ring 14 is installed in the open slot of auxiliary piston 8 and auxiliary hydraulic cylinder 3; The inclined-plane open end of auxiliary piston 8 contacts with the swash plate face of wobbler shaft 9, wobbler shaft 9 and pull back spring 5 key connecting, and pull back spring 5 is fixedly mounted on the support 4; Wobbler shaft 9 adopts wear-resistant sleeve to be installed on the support 4; The mouth key connecting of the axle head of wobbler shaft 9 and magnetic rheological clutch 6, magnetic rheological clutch 6 are fixedly mounted on the clamp 2, the gear of power take-off gear axle 7 and the engagement of brake disc 1 tooth; The axle head of power take-off gear axle 7 adopts key to be installed on the input end of magnetic rheological clutch 6; Auxiliary check valve 15 is installed on the clamp 2 with main check valve 16, and the A mouth of auxiliary hydraulic cylinder 3 adopts pipeline to be connected with an end of main check valve 16, and the other end of main check valve 16 is connected with the E mouth of clamp 2 through pipeline; The C mouth of clamp 2 is connected with pressure regulating unit 17 through pipeline with the D mouth; The B mouth of auxiliary hydraulic cylinder 3 is connected with an end of auxiliary check valve 15 through pipeline, and the other end of auxiliary check valve 15 takes back petrol storage tank through pipeline, and magnetic rheological clutch 6, pressure regulating unit 17 and controller 18 are electrically connected.
Above-mentioned auxiliary piston 8 open ends are the inclined-plane.
Above-mentioned magnetic rheological clutch 6 is for adopting the intellectual material clutch with magnetic rheologic liquid.
In the vehicle ' process, controller 18 is gathered the brake pedal displacement signal in real time and is carried out logic determines, glancing impact; Controller 18 sends electric signal for magnetic rheological clutch 6, and magnetic rheological clutch 6 is according to the size of its mouth moment of torsion of size change of electric signal, and the mouth of magnetic rheological clutch 6 drives wobbler shaft 9 and rotates; When wobbler shaft 9 rotated, the angled end-face of wobbler shaft 9 can promote auxiliary piston 8 and move, and auxiliary piston 8 flows out the A outspoken speed of braking liquid from auxiliary hydraulic cylinder 3; The high hydraulic brake fluid that flows out is through the E mouth of main check valve 16 entering clamp 2, and this moment, the C mouth and the D mouth of clamp 2 can not reflux, and braking liquid promotes main piston 12 and moves; The open end of main piston 12 promotes left friction lining 10 and compresses brake disc 1 generation braking force with right friction lining 11, and after the delay time through the main brake pipeline, the high hydraulic brake fluid that stretcher produces gets into the C mouth of clamp 2 and brakes; When controller 18 detects tire will locking the time, controller 18 control presssure regulons 17 carry out brake-power regulation, and this moment, controller 18 stopped to magnetic rheological clutch 6 electric signal; Magnetic rheological clutch 6 is output torque no longer; Brake fluid pressure is produced by stretcher fully, and when end of braking, main piston 12 resets under the elastic restoring force effect of primary seal circle 13; Braking liquid in the clamp 2 flows out from the D mouth; Get back to petrol storage tank through pressure regulating unit 17, pull back spring 5 carries out return with wobbler shaft 9, and auxiliary seal ring 14 utilizes elastic restoring force that auxiliary piston 8 is resetted; Braking liquid injects to the B of auxiliary hydraulic cylinder 3 mouth through auxiliary check valve 15, prepares braking next time.
Although top joint accompanying drawing is described the preferred embodiment of the utility model; But the utility model is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.

Claims (2)

1. line traffic control electro-hydraulic brake device; Form by brake disc (1), clamp (2), auxiliary hydraulic cylinder (3), support (4), pull back spring (5), magnetic rheological clutch (6), power take-off gear axle (7), auxiliary piston (8), wobbler shaft (9), left friction lining (10), right friction lining (11), main piston (12), primary seal circle (13), auxiliary seal ring (14), auxiliary check valve (15), main check valve (16), pressure regulating unit (17) and controller (18); Clamp (2) are fixedly mounted on the vehicle frame; Brake disc (1) is installed on the axletree; A left side friction lining (10), right friction lining (11) are installed on the guide rail of clamp (2) respectively and are arranged in the both sides of brake disc (1), and main piston (12) is installed in the cylinder barrel on the clamp (2), and the open end of main piston (12) is pressed on the right friction lining (11); Primary seal circle (13) is installed in main piston (12) and clamp (2) are gone up in the open slot of cylinder barrel; It is characterized in that: support (4) is fixedly mounted on the clamp (2), and auxiliary hydraulic cylinder (3) is fixedly mounted on the support (4), and auxiliary piston (8) is installed in the cylinder barrel of auxiliary hydraulic cylinder (3); Auxiliary seal ring (14) is installed in the open slot of auxiliary piston (8) and auxiliary hydraulic cylinder (3); The inclined-plane open end of auxiliary piston (8) contacts with the swash plate face of wobbler shaft (9), wobbler shaft (9) and pull back spring (5) key connecting, and pull back spring (5) is fixedly mounted on the support (4); Wobbler shaft (9) adopts wear-resistant sleeve to be installed on the support (4); The mouth key connecting of the axle head of wobbler shaft (9) and magnetic rheological clutch (6), magnetic rheological clutch (6) are fixedly mounted on the clamp (2), the gear of power take-off gear axle (7) and the engagement of brake disc (1) tooth; The axle head of power take-off gear axle (7) adopts key to be installed on the input end of magnetic rheological clutch (6); Auxiliary check valve (15) and main check valve (16) are installed on the clamp (2), and the A mouth of auxiliary hydraulic cylinder (3) adopts pipeline to be connected with an end of main check valve (16), and the other end of main check valve (16) is connected with the E mouth of clamp (2) through pipeline; The C mouth of clamp (2) is connected with pressure regulating unit (17) through pipeline with the D mouth; The B mouth of auxiliary hydraulic cylinder (3) is connected with an end of auxiliary check valve (15) through pipeline, and the other end of auxiliary check valve (15) takes back petrol storage tank through pipeline, and magnetic rheological clutch (6), pressure regulating unit (17) and controller (18) are electrically connected.
2. a kind of line traffic control electro-hydraulic brake device as claimed in claim 1 is characterized in that: auxiliary piston (8) open end is the inclined-plane.
CN2011203565994U 2011-09-22 2011-09-22 Wire-controlled electric hydraulic brake Expired - Fee Related CN202294752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203565994U CN202294752U (en) 2011-09-22 2011-09-22 Wire-controlled electric hydraulic brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203565994U CN202294752U (en) 2011-09-22 2011-09-22 Wire-controlled electric hydraulic brake

Publications (1)

Publication Number Publication Date
CN202294752U true CN202294752U (en) 2012-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203565994U Expired - Fee Related CN202294752U (en) 2011-09-22 2011-09-22 Wire-controlled electric hydraulic brake

Country Status (1)

Country Link
CN (1) CN202294752U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106515699A (en) * 2016-10-28 2017-03-22 江苏理工学院 Self-force-supply brake execution mechanism of automobile decoupling distributed brake system
CN106515698A (en) * 2016-10-28 2017-03-22 江苏理工学院 Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism
CN110979282A (en) * 2019-12-26 2020-04-10 山东交通学院 Electro-hydraulic brake-by-wire device with redundancy function and control method
CN111169449A (en) * 2020-01-15 2020-05-19 山东交通学院 Line control brake device with redundancy function and control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106515699A (en) * 2016-10-28 2017-03-22 江苏理工学院 Self-force-supply brake execution mechanism of automobile decoupling distributed brake system
CN106515698A (en) * 2016-10-28 2017-03-22 江苏理工学院 Automobile decoupling distributed brake system electric-hydraulic combined braking execution mechanism
CN110979282A (en) * 2019-12-26 2020-04-10 山东交通学院 Electro-hydraulic brake-by-wire device with redundancy function and control method
CN110979282B (en) * 2019-12-26 2021-10-19 山东交通学院 Electro-hydraulic brake-by-wire device with redundancy function and control method
CN111169449A (en) * 2020-01-15 2020-05-19 山东交通学院 Line control brake device with redundancy function and control method
CN111169449B (en) * 2020-01-15 2022-02-08 山东交通学院 Line control brake device with redundancy function and control method

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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: 20120704

Termination date: 20120922