CN109130836A - The hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means - Google Patents
The hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means Download PDFInfo
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- CN109130836A CN109130836A CN201811241907.1A CN201811241907A CN109130836A CN 109130836 A CN109130836 A CN 109130836A CN 201811241907 A CN201811241907 A CN 201811241907A CN 109130836 A CN109130836 A CN 109130836A
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- 230000001172 regenerating effect Effects 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 105
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims description 56
- 239000002184 metal Substances 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 44
- 230000007704 transition Effects 0.000 claims description 44
- 230000008859 change Effects 0.000 claims description 31
- 230000001050 lubricating effect Effects 0.000 claims description 29
- 238000012546 transfer Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 4
- 238000005183 dynamical system Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 9
- 239000012530 fluid Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/161—Systems with master cylinder
- B60T13/165—Master cylinder integrated or hydraulically coupled with booster
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Regulating Braking Force (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of integrated hydraulic auxiliary braking and the hybrid power systems of energy regenerating reuse means, belong to hydraulic hybrid power vehicles field, present invention aim to address conventional hydraulic hybrid power system core element is at high price, it is difficult to control, hydraulic hybrid is set to be difficult to the problem of being widely applied and have a grade variable hybrid power system core element poor universality, volume is heavy, step variable leads to torque shock, the problems such as system is trembled gust, the present invention mainly recycles mechanism by auxiliary braking and energy regenerating, torque stepless regulating mechanism, hydraulic brake mechanism and vehicle transmission mechanism composition, replace the kernel variable element of conventional hydraulic hybrid power system with the constant displacement pump of a small displacement, auxiliary braking and energy regenerating recycle mechanism and hydraulic brake mechanism integrated to solve chassis space small simultaneously, conventional hybrid The difficult problem of dynamical system arrangement, three chamber hydraulic boosters solve the problems, such as that existing hydraulic braking force aid system relies on engine vacuum.
Description
Technical field
The invention belongs to system of vehicle transmission fields, and in particular to hydraulic hybrid power vehicles field.
Background technique
The energy conservation and environmental protection problem of automobile is increasingly taken seriously, and engine has lower during vehicle frequent start-stop
Fuel efficiency causes it to give off a large amount of pernicious gas, while wasting a large amount of kinetic energy, so the energy can be delayed to disappear
Consumption and the hybrid vehicle for reducing disposal of pollutants become the primary research emphasis in countries in the world.Hydraulic hybrid technology utilizes
Hydraulic pump/motor is operable with the characteristic of four-quadrant, assists vehicle braking when the vehicle is braked and converts kinetic energy into hydraulic energy
It is stored in accumulator, the energy of recycling is recycling to be accelerated or be again started up in auxiliary vehicle.But current hydraulic hybrid
In core element be all made of plunger variable element, have expensive, poor reliability sensitive to oil contamination, controlled
Low-response in journey, null offset, vulnerable to interference the disadvantages of, this significantly hinder hydraulic hybrid technology development and
Using.
Chinese patent publication No. is CN102141040B, and date of publication is on December 14th, 2016, entitled " multi-gear
Pump has a grade variable system ", apply for artificial Jilin University.The patent has the control respectively of logic multiple by multiple regular tap valves
Constant displacement pump/motor composition has grade variable system to replace plunger variable element, solves expensive, difficult to control, vulnerable to pollution
The problems such as, but new problem is also brought, the steps transition of discharge capacity will cause line shock and system chatter, deteriorate comfortable
Property, integrated tandem hydraulic pump/motor volume is huge, needs producer's custom-made, and the production cycle is long, poor universality, is not easy to
Maintenance and replacement.
Conventional hydraulic arrestment mechanism generallys use vacuum booster auxiliary driver and provides brake force for braking system, but true
Empty booster limits its application on pure electric automobile to the dependence of engine vacuum.
Summary of the invention
Based on the above-mentioned prior art, the technical problems to be solved by the present invention are: on the one hand, it is dynamic to solve conventional hydraulic mixing
Force system core element is at high price, difficult to control, and hydraulic hybrid is made to be difficult to the problem of being widely applied and have grade change
Hybrid power system core element poor universality is measured, volume is heavy, and step variable leads to torque shock, and system chatter and chassis are empty
Between small, the problems such as conventional hybrid system arrangement is difficult, on the other hand solve existing brake fluid system and rely on engine vacuum
The problem of spending.
In order to solve the above technical problems, the present invention provides a kind of integrated hydraulic auxiliary brakings and energy regenerating to recycle dress
The hybrid power system set recycles mechanism 31, hydraulic brake mechanism 29, torque step-less adjustment by auxiliary braking and energy regenerating
Mechanism 15 and vehicle transmission mechanism 30 form.
Vehicle transmission mechanism 30 and torque stepless regulating mechanism 15 are sequentially connected, and torque stepless regulating mechanism 15 and auxiliary are made
Dynamic and energy regenerating recycles mechanism 31 to be sequentially connected, and auxiliary braking and energy regenerating recycle mechanism 31 and hydraulic brake mechanism
29 connections；
Wherein, the torque stepless regulating mechanism 15 include bearing (ball) cover I 1502, screw I 1501, shell 1503,
Rolling bearing I 1504, sleeve I 1505, return spring 1506, axial direction are bored with mantle disk 1507, metal tape 1508, axial restraint
Disk I 1509, sleeve II 1510, rolling bearing II 1511, bearing air cover I 1512, screw II 1513, vehicle transmission shaft
1514, tooth form sleeve 1515, bearing (ball) cover II 1516, screw III 1517, rolling bearing III 1518, rolling bearing IV
1519, check ring 1520, spur gear 1521, rolling bearing V 1522, axial initiative taper disk 1523, axial restraint bore disk II
1524, sleeve III 1525, rolling bearing VI 1526, bearing air cover II 1527, screw IV 1528 and hydraulic system transmission shaft
1529；
It is hollow structure inside the shell 1503, has two groups of coaxial through-holes, 1514 He of vehicle transmission shaft
Hydraulic system transmission shaft 1529 is separately mounted in two groups of coaxial through-holes；Torque stepless regulating mechanism 15 passes through vehicle transmission shaft
1514 are sequentially connected with vehicle transmission mechanism 30, are recycled by hydraulic system transmission shaft 1529 and auxiliary braking and energy regenerating
Mechanism 31 is sequentially connected；
The tooth form sleeve 1515 is tube kind part, and both ends are provided with stepped hole, distance one rolling on the right side of the step of left side
1520 groove of a placement check ring is provided at 1519 width of dynamic bearing IV, the outer surface of tooth form sleeve 1515 is straight tooth structure,
It is engaged with spur gear 1521.
The axial direction initiative taper disk 1523 is wheel disk-like accessory, and center is provided with through-hole, left side external cylindrical surface there are two step,
Rear end face is the conical surface；It is wheel disk-like accessory that axial restraint, which bores disk II 1524, and center is provided with through-hole, and front end face is the conical surface；It is axial main
With 1529 transition fit of hydraulic system transmission shaft, centre forms a V-arrangement by mantle disk 1523 and axial restraint cone disk II 1524
Groove forms pulley II.
1519 inner surface of rolling bearing IV and axial 1523 transition fit of initiative taper disk, outer surface and tooth form sleeve 1515
The outer ring side of transition fit, rolling bearing IV 1519 is positioned by the first left step of tooth form sleeve 1515, and outer ring is another
Side is positioned by the check ring 1520 in 1515 groove of tooth form sleeve, and inner ring is determined by first step of axial initiative taper disk 1523
Position, 1522 inner surface of rolling bearing V and axial 1523 transition fit of initiative taper disk, the interior table of outer surface and tooth form sleeve 1515
Face transition fit, outer ring by tooth form sleeve 1515 right side step position, inner ring by axial initiative taper disk 1523 second platform
Rank limit.The right side of axial restraint cone disk II 1524 is positioned by sleeve III 1525, and sleeve III 1525 is a stairstepping set
Cylinder and 1529 transition fit of hydraulic system transmission shaft, the major diameter outer surface end of sleeve III 1525 withstand on axial restraint cone disk II
1524 rear end face, minor diameter outer surface end are withstood on the inner ring of rolling bearing VI 1526, rolling bearing VI 1526 and axis mistake
Cooperation is crossed, outer ring is fixed by bearing air cover II 1527, and bearing air cover II 1527 is fixed on shell by screw IV 1528.
The rolling bearing III 1518 and 1529 transition fit of hydraulic system transmission shaft, it is left to be fixed on hydraulic system transmission shaft 1529
The shaft end of side, outer ring left side is fixed by bearing (ball) cover II 1516, and inner ring is positioned by the shaft shoulder of hydraulic system transmission shaft 1529, axis
Socket end lid II 1516 is fixed on shell by screw III 1517；
Axial restraint cone disk I 1509 and it is axial with mantle disk 1507 be wheel disk-like accessory, center is provided with through-hole, one
End face is the conical surface；Axial restraint bore disk I 1509 and axial direction with mantle disk 1507 with 1514 transition fit of vehicle transmission shaft, in
Between formed a v-depression, form another pulley I.1508 sets of metal tape on pulley I and pulley II, with axial active
Disk 1523 and the axial movement with mantle disk 1507 are bored, v-depression broadens or narrows therewith, metal tape is raised and lowered, from
And change the diameter of metal tape and pulley contact, it is equivalent to the gear for switching different-diameter in gear shift；
The rolling bearing I 1504 and 1514 transition fit of vehicle transmission shaft is fixed on shaft end, and outer ring is by bearing (ball) cover
I 1502 is fixed, and inner ring is positioned by sleeve I 1505, sleeve I 1505 and 1514 transition fit of vehicle transmission shaft, return spring
1506 are wrapped on vehicle transmission shaft 1514, and one end withstands on the front end face of sleeve I 1505, and the other end withstands on axial with mantle disk
1507 rear end face；Sleeve II 1510 is a stairstepping sleeve, with 1514 transition fit of vehicle transmission shaft, major diameter appearance
Face end is contacted with axial restraint cone disk I 1509, and minor diameter outer surface end is withstood on the inner ring of rolling bearing II 1511, the axis of rolling
II 1511 and 1514 transition fit of vehicle transmission shaft are held, the other end of rolling bearing II 1511 is determined by bearing air cover I 1512
Position, bearing air cover I 1512 are fixed on shell by screw II 1513.
The bearing (ball) cover I 1502 and bearing (ball) cover II 1516 is coaxial rotating body formula wheel disk-like accessory, and structure can
It is divided into cylindrical drum and disk two parts, there is the inner hole with taper in cylindrical drum, cylinder outer surface and shell cooperates, and have four on disk
A circumferentially equally distributed cylindrical hole, effect are loaded into threaded fastener screw I 1501 and screw III 1517, connect
Bearing (ball) cover and shell.Bearing air cover I 1512, the bearing air cover II 1527 is coaxial rotating body formula wheel disk-like accessory,
Structure can be divided into cylindrical drum and disk two parts, there is the inner hole with taper in cylindrical drum, and cylinder outer surface and shell cooperate, disk
There are a through-hole and axis cooperation in center, and disk is circumferentially uniformly distributed four cylindrical holes, screw I 1528 and screw III 1513
It is connected by four cylindrical holes with shell.
Torque stepless regulating mechanism 15 is controlled by control unit 17, can such as be controlled directly by controlling the stepping angle of stepper motor
The corner of gear 1521, so that the distance that tooth form sleeve 1515 is axially moved to the left or right is controlled, when 1515 axis of tooth form sleeve
To when moving right, the v-depression for pushing axial initiative taper disk 1523 to make above, which becomes smaller, forces metal tape 1508 to rise, i.e., hydraulic
Pulley II and the contact radius r2 of metal tape 1508 on drive system axis 1529 become larger, and metal tape 1508, which rises, to be pushed with mantle
Disk 1507 moves right compression retracteding position spring 1506, the contact radius of pulley I and metal tape 1508 on vehicle transmission shaft 1514
R1 becomes smaller；When tooth form sleeve 1515 is axial to be moved to the left, the reset of the return spring 1506 of compression be will push with mantle disk
1507 are moved to the left, and so that following v-depression is become smaller and metal tape 1508 is forced to decline, the pulley on hydraulic system transmission shaft 1529
Become smaller with the contact radius r2 of metal tape 1508, the contact radius r1 of the pulley on vehicle transmission shaft 1514 and metal tape 1508 becomes
Greatly, the decline of metal tape 1508 forces v-depression above to become larger, and is moved to the left axial initiative taper disk 1523, entire mobile
Process realizes the stepless variation of stepless variation namely the torque of chain conveyer transmission ratio i.
The vehicle transmission mechanism 30 is by motor or engine 9, clutch 10, gearbox 11, transfer case 13, main deceleration
Device 14, clutch II 12 are formed.Motor or engine 9, clutch 10 are sequentially connected in order with gearbox 11, gearbox 11
Output end is connected with one end of 13 master gear of transfer case, and the other end of master gear is connected with main reducing gear 14, and the two of main reducing gear
A output port is separately connected two sides wheel, and one end of 13 pinion of transfer case is connected with the front end of clutch II 12, clutch
The rear end of II 12 is connect with the vehicle transmission shaft 1514 of torque stepless regulating mechanism 15.
The hydraulic brake mechanism 29 by master cylinder 1, bi-bit bi-pass Solenoid ball valve 28, ESC valve block 3 (ESC:
Electronic Stability System electronic stabilizing control system), high-speed switch electromagnetic valve 2, wheel cylinder group 4 form；
The master cylinder 1 is by brake pedal 101, piston rod 102, piston rod seals 103, master cylinder body 104,
Two piston seals 105, second piston support ring 106, second piston 107, ante-chamber piston seal 108, ante-chamber piston support
Ring 109, master cylinder cylinder cap 110, cylinder cap sealing ring 111, ante-chamber return spring 112, ante-chamber piston 113, the second chamber return spring
114, fastening screw 115, displacement sensor 116 form.
The master cylinder cylinder cap 110 is coaxial rotating body formula wheel disk-like accessory, and structure can be divided into cylindrical drum and two, disk
Point, there is the inner hole with taper in cylindrical drum, cylinder is machined with the annular groove of a placement cylinder cap sealing ring 111 close to disk end,
Cylinder outer surface and master cylinder body inner cylinder face cooperate, and disk is connect in a welding manner with master cylinder body front end.The master
Cylinder cylinder body 104 is that one end is open forward tubular class part, has a through-hole at cylinder bottom center, there is placement piston rod packing in the through-hole
The annular groove of circle 103, it is living that 104 inner circular cylinder of master cylinder body is sequentially installed with ante-chamber return spring 112, ante-chamber from front to back
Fill in the 113, second chamber return spring 114, second piston 107, piston rod 102.The front end of ante-chamber return spring 112 withstands on master cylinder cylinder
On the inner surface of lid 110, rear end is withstood on the front end face of ante-chamber piston 113, and the external cylindrical surface of ante-chamber piston 113 is cased with a use
Ante-chamber piston support ring 109 made of wear-resistant material, 109 two sides of ante-chamber piston support ring cover an ante-chamber piston seal respectively
108, the inner surface transition fit of the external cylindrical surface and master cylinder body 104 of ante-chamber piston 113.Before second chamber return spring 114
End is withstood on the rear end face of ante-chamber piston 113, and rear end is withstood on the front end face of second piston 107, the outside cylinder of second piston 107
Surface cover has a second piston support ring 106 made of wear-resistant material, and 106 two sides of second piston support ring cover one respectively
Two piston seals 105, the external cylindrical surface of second piston 107 and the inner surface transition fit of master cylinder body 104.The piston
Bar 102 is axial workpiece, is machined with external screw thread in its front end and is connected with second piston 107 and fastening screw 115, second piston
107 are tightened in the externally threaded root in 102 front end of piston rod by fastening screw 115, and piston rod 102 is living from master cylinder body 104, second
The circular through holes of plug 107 and fastening screw 115 pass through, and brake pedal 101 is installed in 102 rear end of piston rod.The displacement sensing
Device 116 is mounted on piston rod 102, and signal is exported to control unit 17.111 inner surface of master cylinder cylinder cap and ante-chamber piston 113
Wheel cylinder brake chamber before part between front end face forms, between the rear end face of ante-chamber piston 113 and the front end face of second piston 107
Part form rear wheel cylinder brake chamber, part between the rear end face of second piston 107 and the cylinder bottom surface of master cylinder body forms master
Cylinder power-assisted chamber.There are two through-hole c and h that along the circumferential direction differential seat angle is 180 degree on preceding wheel cylinder brake chamber cylindrical wall, through-hole h
In close to master cylinder cylinder cap side, through-hole c is located at close to 113 front end surface side of ante-chamber piston, living once brake front wheel cylinder brake chamber
Plug 113 moves forward and can block through-hole c, there are two along the circumferential direction differential seat angle is 180 degree on rear wheel cylinder brake chamber cylindrical wall
Through-hole d and g, through-hole g is located at close to 113 rear end surface side of ante-chamber piston, and through-hole d is located at close to 107 front end surface side of second piston,
Through-hole d can be blocked once the braking forward movement of second piston 107, there are two circumferentially sides on master cylinder power-assisted chamber cylindrical wall
It is the through-hole c and h of 180 degree to differential seat angle, through-hole c and h are on axial position without particular/special requirement.
The e mouth of master cylinder 1 is connected with the A of bi-bit bi-pass Solenoid ball valve 28 mouth, the f mouth and high-speed switch of master cylinder 1
The outlet of solenoid valve 2 is connected, the entrance of wheel cylinder brake circuit, master cylinder 1 before the h mouth connection ESC valve block of master cylinder 1
G mouth connection ESC valve block after wheel cylinder brake circuit entrance, the outlet of ESC valve block is separately connected in wheel cylinder group 4
Wheel cylinder.ESC valve block is common general brake fluid system valve block.
The high-speed switch electromagnetic valve 2 is high-speed switch valve, passes through PWM (Pulse Width Modulation pulsewidth tune
System) signal controls the switching frequency of high-speed switch electromagnetic valve 2, and then controls the flow for entering master cylinder power-assisted chamber, to control master
The hydraulic coupling of cylinder power-assisted chamber.
The auxiliary braking and energy regenerating recycle mechanism 31 by hydraulic pump/motor 16, inserted valve I 18, two four
Electric change valve 19, inserted valve II 20, two position, three-way electromagnetic change valve 21, inserted valve III 22, small accumulator 23, shuttle valve
24, big accumulator 25, safety valve 26, lubricating cup 27, oil-supplementing system safety valve 5, slippage pump 6, check valve 8, bi-bit bi-pass electromagnetism change
It is formed to valve 7；
Wherein, the axis of hydraulic pump/motor 16 is connect by shaft coupling with hydraulic system transmission shaft 1529, hydraulic pump/motor
16 outlet is connected with the A of inserted valve I 18 and inserted valve II 20 mouth, the entrance of hydraulic pump/motor 16 and going out for check valve 8
Mouth, the outlet of two-position two-way electromagnetic directional valve 7, the A mouth of inserted valve III 22 are connected；The X mouth and two-position four-way of inserted valve I 18
The P mouth of solenoid directional control valve 19 is connected, and the X mouth of inserted valve II 20 is connected with the T of two-position four-way solenoid directional control valve 19 mouth, big accumulation of energy
The import of device 25 and the B mouth of shuttle valve 24, the B mouth of inserted valve II 20, the B mouth of inserted valve III 22 and the entrance phase of safety valve 26
Even, the X mouth of inserted valve III 22 is connected with the P of two position, three-way electromagnetic change valve 21 mouth, the S mouth and two-position four-way electromagnetism of shuttle valve 24
The B mouth of reversal valve 19 is connected with the A of two position, three-way electromagnetic change valve 21 mouth, the outlet of slippage pump 6 and bi-bit bi-pass electromagnetic switch
The entrance of valve 7, the entrance of oil-supplementing system safety valve 5, the import of small accumulator 23, shuttle valve 24 A mouth and high-speed switch electromagnetic valve 2
Import be connected.
The I mouth of the lubricating cup 27 and the B mouth of inserted valve I 18, A mouth, the two-position three way of two-position four-way solenoid directional control valve 19
The T mouth of solenoid directional control valve 21 is connected, and the II mouth of lubricating cup 27 is connected with the outlet of safety valve 26, the III mouth of lubricating cup 27 and two
B mouth of position two-way Solenoid ball valve 28 is connected, and the IV mouth of lubricating cup 27 is connected with the d of master cylinder 1 mouth, the V mouth of lubricating cup 27 and
The c mouth of master cylinder 1 is connected, the outlet of the entrance, oil-supplementing system safety valve 5 of the VI mouth and slippage pump 6 of lubricating cup 27 and unidirectionally
The import of valve 8 is connected.
To avoid wasting, the hydraulic pump/motor 16 is typically chosen the constant displacement pump of very little discharge capacity.
Compared with prior art, the beneficial effects of the present invention are:
1. Brake energy recovery mode of the present invention is quantitative using torque stepless regulating mechanism and a small displacement
The mode that pump hydraulic system combines is stepless smoothly to change transmission ratio, to change constant displacement pump output torque, realizes bigger
Torque output range provides additional braking force or driving force for vehicle transmission, solves conventional hydraulic hybrid power system center pillar
Plug core secondary component is not easy to control, poor reliability and has a problems such as grade multivariable process step variable will lead to compression shock.
2. auxiliary braking of the present invention and energy regenerating recycle mechanism that need to only replace using a small displacement constant displacement pump
For the core element of conventional hydraulic hybrid power system -- plunger variable element has a grade variable pump, effectively reduces cost, together
When eliminate the stroking mechanism of plunger pump and saved much room, have grade variable pump and its logic control valve group bulky, bottom
The problem of the limited arrangement hardly possible of disk space is also resolved.
3. the structure in torque stepless regulating mechanism of the present invention uses standard component and general part, constant displacement pump is using common
Model, versatile, solving tradition has grade variable delivery hydraulic hybrid power system to correspond to the different brake force needs of every kind of equipment
Need to specially design one kind have a grade variable pump make equipment high production cost, period long and inconvenient maintenance and it is professional require it is high
Problem.
4. auxiliary braking of the present invention and energy regenerating recycle mechanism to replace traditional reversal valve, tool using inserted valve
Have that small in size, light-weight, price is low, easy exploiting, integrated level are high, can be used for the advantages such as large-flow hydraulic system.
5. auxiliary braking of the present invention and energy regenerating recycle mechanism structure simple, volume is smaller.
6. hydraulic brake mechanism of the present invention substitutes traditional vacuum booster using three chamber hydraulic boosters, solves liquid
Dependence of the braking system to engine vacuum is pressed, so that the brake fluid system can be applicable to hybrid vehicle and pure electric vehicle
On automobile.
7. auxiliary braking of the present invention and energy regenerating recycle mechanism to convert hydraulic energy for automobile kinetic energy and deposit
Storage is got up, lower compared to the more efficient of electrical energy form recycling braking energy, pollution, which can be used for hydraulic system
Dynamic, assistant starting etc..
8. auxiliary braking of the present invention and energy regenerating recycle mechanism and hydraulic brake mechanism to carry out organic set,
The devices such as braking system common high voltage accumulator, slippage pump both make structure more compact, hydraulic auxiliary brake system and hydraulic
The integrated of braking can make automobile chassis volume smaller, compensate for the difficult problem of conventional hybrid system arrangement, be convenient for chassis
Flexible arrangement is applicable in various vehicles.
9. the movement of axial initiative taper disk is by spur gear, tooth form sleeve etc. in torque stepless regulating mechanism of the present invention
Mechanical mechanism controls, simpler with common hydraulic control structure compared, cost is lower, saves complicated pipeline, efficiency
It is higher.
Detailed description of the invention
Fig. 1 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
Schematic diagram.
Fig. 2 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of torque stepless regulating mechanism main view.
Fig. 3 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of master cylinder main view.
Fig. 4 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of tooth form sleeve main view.
Fig. 5 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The left view of tooth form sleeve.
Fig. 6 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of axial initiative taper disk main view.
Fig. 7 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The left view of axial initiative taper disk.
Fig. 8 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of master cylinder cover main view.
Fig. 9 is in the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The right view of master cylinder cover.
Figure 10 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of middle (center) bearing end cap main view.
Figure 11 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The left view of middle (center) bearing end cap.
Figure 12 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The cross-sectional view of middle (center) bearing transparent cover main view.
Figure 13 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
The left view of middle (center) bearing transparent cover.
Figure 14 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
Analysis on Torque figure when middle auxiliary drive.
Figure 15 is the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means of the present invention
Analysis on Torque figure when middle auxiliary braking.
The figures above is as follows using marking: 1. master cylinders, 2. high-speed switch electromagnetic valves, 3.ESC valve block (ESC:
Electronic Stability System electronic stabilizing control system), 4. wheel cylinder groups, 5. oil-supplementing system safety valves, 6.
Slippage pump, 7. two-position two-way electromagnetic directional valves, 8. check valves, 9. motors or engine, 10. clutches, 11. gearboxes, 12. from
Clutch II, 13. transfer cases, 14. main reducing gears, 15. torque stepless regulating mechanisms, 16. hydraulic pump/motors, 17. control units,
18. inserted valve I, 19. two-position four-way solenoid directional control valves, 20. inserted valve II, 21. two position, three-way electromagnetic change valves, 22. inserted valves
III, 23. small accumulators, 24. shuttle valves, 25. big accumulators, 26. safety valves, 27. lubricating cups, 28. bi-bit bi-pass Solenoid ball valves, 29.
Hydraulic brake mechanism, 30. vehicle transmission mechanisms, 31. auxiliary brakings and energy regenerating recycle mechanism；101. brake pedal,
102. piston rod, 103. piston rod seals, 104. master cylinder bodies, 105. second piston sealing rings, the bearing of 106. second pistons
Ring, 107. second pistons, 108. ante-chamber piston seals, 109. ante-chamber piston support rings, 110. master cylinder cylinder caps, 111. cylinder caps are close
Seal, 112. ante-chamber return springs, 113. ante-chamber pistons, 114. second chamber return springs, 115. fastening screws, 116. displacements pass
Sensor；1501. screw I, 1502. bearing (ball) cover I, 1503. shells, 1504. rolling bearing I, 1505. sleeve I, 1506. returns
Spring, 1507. axial directions bore disk I, 1510. sleeve II, 1511. axis of rolling with mantle disk, 1508. metal tapes, 1509. axial restraints
Hold II, 1512. bearing air covers, 1513. screw II, 1514. vehicle transmission shafts, 1515. tooth form sleeves, 1516. bearing (ball) cover II,
1517. screw III, 1518. rolling bearing III, 1519. rolling bearing IV, 1520. check rings, 1521. spur gears, 1522.
Rolling bearing V, 1523. axial initiative taper disks, 1524. axial restraints bore disk II, 1525. sleeve III, 1526. rolling bearing VI,
1527. bearing air cover II, 1528. screw IV, 1529. hydraulic system transmission shafts.
Specific embodiment
Technical solution of the present invention is further explained and is illustrated with reference to the accompanying drawings of the specification.
Refering to fig. 1, the hybrid power system of the integrated hydraulic auxiliary braking and energy regenerating reuse means is by auxiliary
Braking and energy regenerating is helped to recycle mechanism 31, hydraulic brake mechanism 29, torque stepless regulating mechanism 15 and vehicle transmission mechanism
30 compositions.
Auxiliary braking and energy regenerating recycle mechanism 31 are as follows:
The auxiliary braking and energy regenerating recycle mechanism 31 by hydraulic pump/motor 16, inserted valve I 18, two four
Electric change valve 19, inserted valve II 20, two position, three-way electromagnetic change valve 21, inserted valve III 22, small accumulator 23, shuttle valve
24, big accumulator 25, safety valve 26, lubricating cup 27, oil-supplementing system safety valve 5, slippage pump 6, check valve 8, bi-bit bi-pass electromagnetism change
It is formed to valve 7.
Hydraulic brake mechanism 29 are as follows:
The hydraulic brake mechanism 29 by master cylinder 1, bi-bit bi-pass Solenoid ball valve 28, ESC valve block 3 (ESC:
Electronic Stability System electronic stabilizing control system), high-speed switch electromagnetic valve 2, wheel cylinder group 4 form.
Vehicle transmission mechanism 30 are as follows:
The vehicle transmission mechanism 30 is by motor or engine 9, clutch 10, gearbox 11, transfer case 13, main deceleration
Device 14, clutch II 12 are formed.Motor or engine 9, clutch 10 are sequentially connected in order with gearbox 11, gearbox 11
Output end is connected with one end of 13 master gear of transfer case, and the other end of master gear is connected with main reducing gear 14, and the two of main reducing gear
A output port is separately connected two sides wheel, and one end of 13 pinion of transfer case is connected with the front end of clutch II 12, clutch
The rear end of II 12 is connected with a of torque stepless regulating mechanism 15 mouth.The b mouth end of torque stepless regulating mechanism 15 passes through shaft coupling
It is connected with the axis of hydraulic pump/motor 16.
Referring to Fig.2, torque stepless regulating mechanism 15 are as follows:
The torque stepless regulating mechanism 15 includes bearing (ball) cover I 1502, screw I 1501, shell 1503, the axis of rolling
It holds I 1504, sleeve I 1505, return spring 1506, axial direction and bores disk I with mantle disk 1507, metal tape 1508, axial restraint
1509, sleeve II 1510, rolling bearing II 1511, bearing air cover 1512, screw II 1513, vehicle transmission shaft 1514, tooth form
Sleeve 1515, bearing (ball) cover II 1516, screw III 1517, rolling bearing III 1518, rolling bearing IV 1519, spring catch
Circle 1520, spur gear 1521, rolling bearing V 1522, axial initiative taper disk 1523, axial restraint bore disk II 1524, sleeve III
1525, rolling bearing VI 1526, bearing air cover II 1527, screw IV 1528, hydraulic system transmission shaft 1529.
Refering to Fig. 4 and Fig. 5, the tooth form sleeve 1515 is tube kind part, and both ends are provided with stepped hole, and left side step is right
It is provided with 1520 groove of a placement check ring at one 1519 width of rolling bearing IV of lateral extent, outer surface is straight tooth structure, with
Spur gear 1521 engages.
Refering to Fig. 6 and Fig. 7, the axial direction initiative taper disk 1523 is wheel disk-like accessory, and center is provided with through-hole, left side outside cylinder
There are two steps in face, and rear end face is the conical surface.
Referring to Fig.2, the rolling bearing III 1518 and 1529 transition fit of hydraulic system transmission shaft, are fixed on hydraulic
1529 shaft end of drive system axis, outer ring left side is fixed by bearing (ball) cover II 1516, and inner ring is positioned by the shaft shoulder, bearing (ball) cover II
1516 are fixed on shell by screw III 1517,1519 inner surface of rolling bearing IV and axial 1523 transition of initiative taper disk
Cooperation, outer surface and 1515 transition fit of tooth form sleeve, the outer ring side of rolling bearing IV 1519 by tooth form sleeve 1515 a left side
The step positioning of first, side, the outer ring other side are positioned by the check ring 1520 in 1515 groove of tooth form sleeve, and inner ring is by axial direction
First step of initiative taper disk 1523 positions, 1522 inner surface of rolling bearing V and axial 1523 transition fit of initiative taper disk,
The inner surface transition fit of outer surface and tooth form sleeve 1515, outer ring by tooth form sleeve 1515 right side step position, inner ring by
Second step of axial initiative taper disk 1523 limits.Axial initiative taper disk 1523 and axial restraint cone disk II 1524 are and liquid
1529 transition fit of drive system axis is pressed, centre forms a v-depression, forms a pulley II.Similarly, axial restraint is bored
Disk I 1509 and it is axial with mantle disk 1507 with 1514 transition fit of vehicle transmission shaft, centre forms a v-depression, composition
Another pulley I.Metal tape covers on two pulleys, with axial initiative taper disk 1523 and the axial shifting with mantle disk 1507
Dynamic, v-depression broadens or narrows therewith, metal tape is raised and lowered, to change the diameter of metal tape and pulley contact, phase
When the gear for switching different-diameter in gear shift.Axial restraint bores the other side of disk II 1524 by sleeve III
1525 positioning, sleeve III 1525 is a stairstepping sleeve, with 1529 transition fit of hydraulic system transmission shaft, sleeve III
1525 major diameter outer surface end withstands on the rear end face of axial restraint cone disk II 1524, and minor diameter outer surface end withstands on the axis of rolling
On the inner ring for holding VI 1526, rolling bearing VI 1526 and axis transition fit, outer ring is fixed by bearing air cover II 1527, bearing
Transparent cover II 1527 is fixed on shell by screw IV 1528.The rolling bearing I 1504 and 1514 mistake of vehicle transmission shaft
Cross cooperation and be fixed on shaft end, outer ring is fixed by bearing (ball) cover I 1502, and inner ring is positioned by sleeve I 1505, sleeve I 1505 with it is whole
1514 transition fit of vehicle transmission shaft, return spring 1506 are wrapped on vehicle transmission shaft 1514, and one end withstands on sleeve I's 1505
Front end face, the other end withstand on the axial rear end face with mantle disk 1507, and sleeve II 1510 is a stairstepping sleeve, with vehicle
1514 transition fit of transmission shaft, major diameter outer surface end are contacted with axial restraint cone disk I 1509, and minor diameter outer surface end is withstood on
On the inner ring of rolling bearing II 1511, rolling bearing II 1511 and 1514 transition fit of vehicle transmission shaft, rolling bearing II
1511 other end is positioned by bearing air cover I 1512, and bearing air cover I 1512 is fixed on shell by screw II 1513.
Refering to Fig. 2, Figure 10 and Figure 11, the bearing (ball) cover I 1502, bearing (ball) cover II 1516 are coaxial rotating body formula
Disk-like accessory is taken turns, structure can be divided into cylindrical drum and disk two parts, there is the inner hole with taper, cylinder outer surface and shell in cylindrical drum
Body cooperates, and there are four circumferentially equally distributed cylindrical hole on disk, effect is loaded into 1501 He of threaded fastener screw I
Screw III 1517 connects bearing (ball) cover and shell.
Refering to Fig. 2, Figure 12 and Figure 13, the bearing air cover I 1512, bearing air cover II 1527 are coaxial rotating body formula
Disk-like accessory is taken turns, structure can be divided into cylindrical drum and disk two parts, there is the inner hole with taper, cylinder outer surface and shell in cylindrical drum
Body cooperation, disc centre have a through-hole and axis cooperation, and disk is circumferentially uniformly distributed four cylindrical holes, screw I 1528 and spiral shell
Nail III 1513 is connected by four cylindrical holes with shell.
Refering to Fig. 3, the master cylinder 1 is by brake pedal 101, piston rod 102, piston rod seals 103, master cylinder cylinder
Body 104, second piston sealing ring 105, second piston support ring 106, second piston 107, ante-chamber piston seal 108, ante-chamber
Piston support ring 109, master cylinder cylinder cap 110, cylinder cap sealing ring 111, ante-chamber return spring 112, ante-chamber piston 113, the second chamber return
Position spring 114, fastening screw 115, displacement sensor 116 form.
Refering to Fig. 3, Fig. 8 and Fig. 9, the master cylinder cylinder cap 110 is coaxial rotating body formula wheel disk-like accessory, and structure can be divided into
Cylindrical drum and disk two parts, there is the inner hole with taper in cylindrical drum, and cylinder is machined with placement cylinder cap sealing close to disk end
The annular groove of circle 111, cylinder outer surface and master cylinder body inner cylinder face cooperate, disk and side of the master cylinder body front end to weld
Formula connection.
Refering to Fig. 3, the master cylinder body 104 is that one end is open forward tubular class part, has a through-hole at cylinder bottom center,
There is the annular groove for placing piston rod seals 103 in the through-hole, 104 inner circular cylinder of master cylinder body is successively installed from front to back
There are ante-chamber return spring 112, ante-chamber piston 113, the second chamber return spring 114, second piston 107, piston rod 102.Ante-chamber returns
The front end of position spring 112 is withstood on the inner surface of master cylinder cylinder cap 110, and rear end is withstood on the front end face of ante-chamber piston 113, and ante-chamber is living
The external cylindrical surface of plug 113 is cased with an ante-chamber piston support ring 109 made of wear-resistant material, 109 liang of ante-chamber piston support ring
Side covers an ante-chamber piston seal 108, the inner surface transition of the external cylindrical surface and master cylinder body 104 of ante-chamber piston 113 respectively
Cooperation.The front end of second chamber return spring 114 is withstood on the rear end face of ante-chamber piston 113, before rear end withstands on second piston 107
On end face, the external cylindrical surface of second piston 107 is cased with a second piston support ring 106 made of wear-resistant material, and second is living
Plug 106 two sides of support ring cover a second piston sealing ring 105, the external cylindrical surface and master cylinder body 104 of second piston 107 respectively
Inner surface transition fit.The piston rod 102 is axial workpiece, is machined with external screw thread and second piston 107 in its front end
It is connected with fastening screw 115, second piston 107 is tightened in the externally threaded root in 102 front end of piston rod by fastening screw 115, living
Stopper rod 102 is passed through from the circular through holes of master cylinder body 104, second piston 107 and fastening screw 115, the installation of 102 rear end of piston rod
Brake pedal 101.The displacement sensor 116 is mounted on piston rod 102, and signal is exported to control unit 17.Master cylinder cylinder
Wheel cylinder brake chamber before part between 111 inner surface of lid and the front end face of ante-chamber piston 113 forms, the rear end of ante-chamber piston 113
Part between face and the front end face of second piston 107 forms rear wheel cylinder brake chamber, the rear end face and master cylinder cylinder of second piston 107
Part between the cylinder bottom surface of body forms master cylinder power-assisted chamber.There are two along the circumferential direction differential seat angles on preceding wheel cylinder brake chamber cylindrical wall
It is located at for the through-hole c and h of 180 degree, through-hole h close to master cylinder cylinder cap side, through-hole c is located at close to 113 front end surface side of ante-chamber piston, and one
Denier start brake front wheel cylinder brake chamber piston 113 forward movement through-hole c can be blocked, on rear wheel cylinder brake chamber cylindrical wall there are two
Along the circumferential direction differential seat angle is the through-hole d and g of 180 degree, and positioned at close to 113 rear end surface side of ante-chamber piston, through-hole d is located at through-hole g
Close to 107 front end surface side of second piston, through-hole d can be blocked once the braking forward movement of second piston 107, master cylinder power-assisted
There are two through-hole c and h that along the circumferential direction differential seat angle is 180 degree on chamber cylindrical wall, through-hole c and h are on axial position without special
It is required that.
Refering to fig. 1, the B mouth of the I mouth of the lubricating cup 27 and inserted valve I 18, two-position four-way solenoid directional control valve 19 A mouth,
The T mouth of two position, three-way electromagnetic change valve 21 is connected, and the II mouth of lubricating cup 27 is connected with the outlet of safety valve 26, the III of lubricating cup 27
Number mouth is connected with the B of bi-bit bi-pass Solenoid ball valve 28 mouth, and the IV mouth of lubricating cup 27 is connected with the d of master cylinder 1 mouth, lubricating cup 27
V mouth is connected with the c of master cylinder 1 mouth, and the entrance of the VI mouth of lubricating cup 27 and slippage pump 6, oil-supplementing system safety valve 5 go out
The import of mouth, check valve 8 is connected.The auxiliary braking and energy regenerating recycle in mechanism 31, and hydraulic pump/motor 16 goes out
Mouth is connected with the A of inserted valve I 18 and inserted valve II 20 mouth, the outlet of the entrance and check valve 8 of hydraulic pump/motor 16, two
The outlet of two electric change valves 7, the A mouth of inserted valve III 22 are connected.The X mouth and two-position four-way electromagnetic switch of inserted valve I 18
The P mouth of valve 19 is connected, and the X mouth of inserted valve II 20 is connected with the T of two-position four-way solenoid directional control valve 19 mouth, big accumulator 25 into
Mouth is connected with the entrance of the B mouth of the B of shuttle valve 24 mouth, inserted valve II 20 and inserted valve III 22, safety valve 26, inserted valve III
22 X mouth is connected with the P of two position, three-way electromagnetic change valve 21 mouth, the B mouth of the S mouth and two-position four-way solenoid directional control valve 19 of shuttle valve 24
It is connected with the A of two position, three-way electromagnetic change valve 21 mouth, the outlet of slippage pump 6 and entrance, the repairing of two-position two-way electromagnetic directional valve 7
The entrance of system safety valve 5, the import of small accumulator 23, the import of the A mouth of shuttle valve 24, high-speed switch electromagnetic valve 2 are connected.It is described
Hydraulic brake mechanism 29 in, the e mouth of master cylinder 1 is connected with the A of bi-bit bi-pass Solenoid ball valve 28 mouth, the f mouth of master cylinder 1
It is connected with the outlet of high-speed switch electromagnetic valve 2, wheel cylinder brake circuit enters before the h mouth connection ESC valve block of master cylinder 1
Mouthful, the entrance of wheel cylinder brake circuit after the g mouth connection ESC valve block of master cylinder 1, the outlet of ESC valve block is separately connected system
Wheel cylinder in driving wheel cylinder group 4.ESC valve block is common general brake fluid system valve block.
The high-speed switch electromagnetic valve 2 is high-speed switch valve, passes through PWM (Pulse Width Modulation pulsewidth tune
System) signal controls the switching frequency of high-speed switch electromagnetic valve 2, and then controls the flow for entering master cylinder power-assisted chamber, to control master
The hydraulic coupling of cylinder power-assisted chamber.
Realize the stepless adjustable principle of torque:
It is controlled refering to fig. 1 with Fig. 2, torque stepless regulating mechanism 15 by control unit 17, it such as can be by controlling stepper motor
Stepping angle control spur gear 1521 corner, to control the distance that tooth form sleeve 1515 is axially moved to the left or right, when
Tooth form sleeve 1515 axially to the right when, the v-depression for pushing axial initiative taper disk 1523 to make above, which becomes smaller, forces metal tape
1508 rise, i.e. the contact radius r2 of pulley II on hydraulic system transmission shaft 1529 and metal tape 1508 become larger, metal tape
1508 rise and push the pulley I to move right compression retracteding position spring 1506 with mantle disk 1507, on vehicle transmission shaft 1514 and gold
The contact radius r1 for belonging to band 1508 becomes smaller；When tooth form sleeve 1515 is axial to be moved to the left, the return spring 1506 of compression is answered
Position will push to be moved to the left with mantle disk 1507, so that following v-depression is become smaller and metal tape 1508 is forced to decline, hydraulic system passes
The contact radius r2 of pulley and metal tape 1508 on moving axis 1529 becomes smaller, pulley and metal tape on vehicle transmission shaft 1514
1508 contact radius r1 becomes larger, and the decline of metal tape 1508 forces v-depression above to become larger, and makes axial initiative taper disk 1523
It is moved to the left, entire moving process realizes the stepless variation of stepless variation namely the torque of chain conveyer transmission ratio i.Two pulleys
Drive connection are as follows:
R1 × n1=r2 × n2 (2)
In formula: the power of F-- metal tape transmitting；
T1-- the 1514 top sheave torque of vehicle transmission shaft；
T2-- the 1529 top sheave torque of hydraulic system transmission shaft；
The contact radius of pulley and metal tape 1508 on r1-- vehicle transmission shaft 1514；
The contact radius of pulley and metal tape 1508 on r2-- hydraulic system transmission shaft 1529；
1514 revolving speed of n1-- vehicle transmission shaft；
1529 revolving speed of n2-- hydraulic system transmission shaft；
Torque variation range:
The output torque of hydraulic pump/motor 16:
In formula: the pressure in big 25 exit of accumulator p--；
The discharge capacity of V-- hydraulic pump/motor 16；
In guarantee 16 revolving speed of hydraulic pump/motor under the premise of high efficiency range, it can be obtained by controlling the size of r2, r1
Suitable output torque, such as: increasing the torque for being transmitted to wheel by reducing r2 increase r1, subtracted by reducing r1 increase r2
The small torque for being transmitted to wheel.
The working principle of the hybrid power system of integrated hydraulic auxiliary braking and energy regenerating reuse means:
1. driving operating condition:
1.1. conventional to drive operating condition (auxiliary braking and energy regenerating recycle mechanism 31 to be not involved in): when automobile is in driving
Under operating condition, clutch II 12 is disconnected, and auxiliary braking and energy regenerating recycle mechanism 31 to be not involved in work, system dynamic only by
Motor or engine 9 provide.
1.2. hydraulic auxiliary drive
If the driving torque that auxiliary braking and energy regenerating recycle mechanism 31 to provide is passed through torque stepless regulating mechanism 15
It can satisfy requirement drive torque after passing, then recycle mechanism 31 that vehicle is operated alone by auxiliary braking and energy regenerating, otherwise
The driving moment of supplement is provided by motor or engine 9 with meet demand torque.
The working principle that auxiliary braking and energy regenerating recycle 31 braking energy of mechanism to recycle:
Control unit 17 controls clutch II 12 and engages, and controls solenoid valve 1DT, 3DT power loss, and 2DT obtains electric, two-position four-way
In right position, two position, three-way electromagnetic change valve 21 works in left position for solenoid directional control valve 19 and the work of two-position two-way electromagnetic directional valve 7, this
When inserted valve I 18 control mouth X be connected through the channel PA of two-position four-way solenoid directional control valve 19 with lubricating cup 27, inserted valve I's 18
AB mouthfuls of connections, the control mouth X of inserted valve II 20 go out through the high pressure oil in the channel BT of two-position four-way solenoid directional control valve 19 and shuttle valve 24
S mouthfuls of mouth are connected, and the channel AB of inserted valve II 20 is blocked, and the control mouth X of inserted valve III 22 is through two position, three-way electromagnetic change valve 21
The channel PT be connected with lubricating cup 27, the connection of the channel AB of inserted valve III 22.Big accumulator 25 exports high pressure oil through inserting at this time
The BA channels drive hydraulic pump/motor 16 of valve III 22 makes its work in hydraulic motor state, output driving torque through torque without
Grade regulating mechanism 15, clutch II 12, transfer case 13, main reducing gear 14 are transferred to wheel, complete hydraulic energy and turn to kinetic energy
Change.The pressure that safety valve 26 is set is lower than the maximum pressure that system can be born, and plays the role of safety valve.What slippage pump 6 exported
High pressure oil adds in circuit through two-position two-way electromagnetic directional valve 7, and extra oil liquid is stored in small accumulator 23, oil-supplementing system peace
Full valve 5 plays the role of protecting feed circuit.
2. damped condition:
If the braking moment that auxiliary braking and energy regenerating recycle mechanism 31 to provide is passed through torque stepless regulating mechanism 15
It can satisfy demand braking moment after passing, then 31 independent brake vehicle of mechanism recycled by auxiliary braking and energy regenerating, otherwise
The braking moment of supplement is provided by hydraulic brake mechanism 29 with meet demand torque.
Auxiliary braking and energy regenerating recycle the working principle of 31 auxiliary braking energy regenerating of mechanism:
Control unit 17 controls clutch II 12 and engages, and solenoid valve 1DT, 3DT obtain electric, 2DT power loss, two-position four-way electromagnetism
In left position, two position, three-way electromagnetic change valve 21 works in right position, inserts at this time for reversal valve 19 and the work of two-position two-way electromagnetic directional valve 7
The control mouth X for filling valve I 18 is connected through S mouthfuls of high pressure oil export of the channel PB of two-position four-way solenoid directional control valve 19 and shuttle valve 24, slotting
The channel AB of dress valve I 18 is blocked, and the control mouth X of inserted valve II 20 is through the channel AT of two-position four-way solenoid directional control valve 19 and lubricating cup
27 are connected, and the channel the AB connection of inserted valve II 20, the control mouth X of inserted valve III 22 is through two position, three-way electromagnetic change valve 21
S mouthfuls of high pressure oil export of the channel PA and shuttle valve 24 are connected, and the channel AB of inserted valve III 22 is blocked.Hydraulic pump/motor 16 at this time
Work is in hydraulic pump state, through check valve 8 from 27 oil suction of lubricating cup, the high pressure oil of output through the channel AB of inserted valve II20 store into
In big accumulator 25, braking moment is exported through torque stepless regulating mechanism 15, clutch II 12, transfer case 13, main reducing gear 14
It is transferred to wheel, liquid pressure energy is converted by the kinetic energy of vehicle and is stored in big accumulator 25.The pressure that safety valve 26 is set
Lower than the maximum pressure that system can be born, play the role of safety valve.The high pressure oil that slippage pump 6 exports is changed through bi-bit bi-pass electromagnetism
It is added in circuit to valve 7, extra oil liquid is stored in small accumulator 23, and oil-supplementing system safety valve 5 plays protection feed circuit
Effect.
3. pressure maintaining
After the completion of braking, driving, control unit 17 controls clutch II 12 and disconnects, solenoid valve 1DT, 2DT power loss, and two
Four-way electromagnetic reversing valve 19 and the work of two position, three-way electromagnetic change valve 21 are in right position, and the control mouth X of inserted valve I 18 is through two four
The channel PA of electric change valve 19 is connected with lubricating cup 27, the channel the AB connection of inserted valve I 18, the control mouth of inserted valve II 20
S mouthfuls of high pressure oil export of TB channel of the X through two-position four-way solenoid directional control valve 19 and shuttle valve 24 are connected, and the AB of inserted valve II 20 is logical
Road is blocked, and the control mouth X of inserted valve III 22 goes out through the high pressure oil in the channel PA of two position, three-way electromagnetic change valve 21 and shuttle valve 24
S mouthfuls of mouth are connected, and the channel AB of inserted valve III 22 is blocked, so the outlet of big accumulator 25 is blocked, pressure is saved.
The working principle of hydraulic brake mechanism 29:
Refering to fig. 1 and Fig. 3, when brake pedal 101, control unit 17 receives displacement sensor on piston rod 102
116 signal, and comprehensive ground slip rate, auxiliary braking and energy regenerating recycle each side such as brake force provided by mechanism 31
Face information judges that the goal pressure of wheel cylinder group 4, control unit 17 control 4DT, 5DT and obtain electric and utilize PWM (Pulse
Width Modulation pulsewidth modulation) signal controls the switching frequency of high-speed switch electromagnetic valve 2, and then controls and help into master cylinder
The flow of power chamber helps driver to save brake force to control the hydraulic coupling of master cylinder power-assisted chamber.Ante-chamber piston 113 and second
Piston 107 is moved to the left under the collective effect of 102 thrust of piston rod and hydraulic coupling, preceding wheel cylinder brake chamber and rear wheel cylinder brake chamber
Internal detent liquid is increased by compression pressure, and high-pressure brake liquid separately flows into braked wheel after ESC valve block 3 from h and g mouthfuls of outflow respectively
In the corresponding wheel cylinder of cylinder group 4.
End of braking, 4DT, 5DT power loss, the pressure oil in hydraulic booster chamber is along e mouthfuls through bi-bit bi-pass Solenoid ball valve 28
AB flows back in channel lubricating cup 27, and ante-chamber piston 113 and second piston 107 are respectively in ante-chamber return spring 112 and the second chamber return bullet
It is resetted under the action of spring 114, the high-pressure brake liquid inside preceding wheel cylinder brake chamber and rear wheel cylinder brake chamber is flowed back to along h mouthfuls, g mouthfuls respectively
Master cylinder 1.
It is illustrated below with reference to the control mode of Fig. 2, Figure 14 and Figure 15 to torque stepless regulating mechanism:
To avoid wasting, the hydraulic pump/motor 16 selects the constant displacement pump of very little discharge capacity, so hydraulic pump/motor 16
The torque T2 of output is much smaller than the target torque T1 for being transferred to vehicle transmission mechanism 30.
Refering to fig. 12, hydraulic auxiliary brake and energy regenerating recycle mechanism 31 to participate in braking energy and recycle, big accumulation of energy
Device 25 exports high pressure oil makes its work in hydraulic motor state through the BA channels drive hydraulic pump/motor 16 of inserted valve III 22,
Output driving torque is transferred to wheel through torque stepless regulating mechanism 15, clutch II 12, transfer case 13, main reducing gear 14, complete
At the conversion of hydraulic energy to kinetic energy.Big accumulator 25 is constantly in exoergic state, and pressure p persistently reduces, hydraulic pump/motor 16
For constant flow pump, known by formula (4), the driving torque T2 that hydraulic pump/motor 16 exports also persistently is reduced.
Refering to Fig. 2 and Figure 14, when the target braking moment T1 to be transferred to vehicle transmission mechanism is definite value for explanation turn
The control mode of square stepless regulating mechanism 15.Known by formula (1),T2< T1, so torque step-less adjustment machine
Structure plays the role of increasing torque, i.e. r2< r1, state shown in Fig. 2 is the smallest state of r2, is guaranteeing hydraulic pump/motor at this time
Under the premise of high efficiency range, control unit 17 controls tooth form sleeve 1515 by control gear corner and moves right 16 revolving speeds,
The v-depression for pushing axial initiative taper disk 1523 to make above, which becomes smaller, forces the rising of metal tape 1508 that r2 is made to become larger, metal tape 1508
Rise to push makes r1 become smaller with the compression retracteding position spring 1506 that moves right of mantle disk 1507, untilWith T2's
It reduces, to keep T1It is constant, it needs to increase r1, reduces r2, control unit 17 controls tooth form sleeve 1515 and is moved to the left, compression
The reset of return spring 1506 will push to be moved to the left with mantle disk 1507, so that following v-depression is become smaller and is forced metal tape
1508 declines, r2 become smaller, and r1 becomes larger, and the decline of metal tape 1508 forces v-depression above to become larger, and makes axial initiative taper disk
1523 are moved to the left.
Refering to fig. 15, hydraulic auxiliary brake and energy regenerating recycle mechanism 31 to participate in Brake energy recovery, hydraulic pump/horse
Up to 16 work in hydraulic pump state, through check valve 8 from 27 oil suction of lubricating cup, the high pressure oil of output is through the channel AB of inserted valve II 20
It stores into big accumulator 25, output braking moment subtracts through torque stepless regulating mechanism 15, clutch II 12, transfer case 13, master
Fast device 14 is transferred to wheel, converts liquid pressure energy for the kinetic energy of vehicle and is stored in big accumulator 25.Big accumulator 25 1
Straight in energy state is filled, pressure p is persistently increased, and hydraulic pump/motor 16 is constant flow pump, is known by formula (4), hydraulic pump/motor 16
The braking moment T2 of output also persistently rises.
Refering to Fig. 2 and Figure 15, when the target braking moment T1 to be transferred to vehicle transmission mechanism is definite value for explanation turn
The control mode of square stepless regulating mechanism 15.T2< T1, so torque stepless regulating mechanism plays the role of increasing torque, i.e. r2
< r1, state shown in Fig. 2 is the smallest state of r2, at this time in guarantee 16 revolving speed of hydraulic pump/motor under the premise of high efficiency range,
Control unit 17 controls tooth form sleeve 1515 by control gear corner and moves right, and axial initiative taper disk 1523 is pushed to make above
V-depression become smaller force metal tape 1508 rise r2 become larger, metal tape 1508 rise push moves right with mantle disk 1507
Compression retracteding position spring 1506, r1 becomes smaller, untilWith T2Increase, for keep T1It is constant, it needs to increase r2, subtract
Few r1, control tooth form sleeve move right always.
Claims (5)
1. the hybrid power system of a kind of integrated hydraulic auxiliary braking and energy regenerating reuse means, which is characterized in that this is
System is to recycle mechanism (31), hydraulic brake mechanism (29), torque stepless regulating mechanism (15) by auxiliary braking and energy regenerating
It is formed with vehicle transmission mechanism (30)；Vehicle transmission mechanism (30) and torque stepless regulating mechanism (15) are sequentially connected, torque without
Grade regulating mechanism (15) and auxiliary braking and energy regenerating recycle mechanism (31) transmission connection, and auxiliary braking and energy regenerating are again
It is connect using mechanism (31) with hydraulic brake mechanism (29)；
Wherein, the torque stepless regulating mechanism (15) mainly includes bearing (ball) cover I (1502), screw I (1501), shell
(1503), rolling bearing I (1504), sleeve I (1505), return spring (1506), axial direction are with mantle disk (1507), metal tape
(1508), axial restraint bores disk I (1509), sleeve II (1510), rolling bearing II (1511), bearing air cover I (1512), screw
II (1513), it vehicle transmission shaft (1514), tooth form sleeve (1515), bearing (ball) cover II (1516), screw III (1517), rolls
Bearing I II (1518), rolling bearing IV (1519), check ring (1520), spur gear (1521), rolling bearing V (1522), axis
Disk II (1524), sleeve III (1525), rolling bearing VI (1526), bearing air cover are bored to initiative taper disk (1523), axial restraint
II (1527), screw IV (1528) and hydraulic system transmission shaft (1529)；
Be hollow structure inside the shell (1503), have two groups of coaxial through-holes, vehicle transmission shaft (1514) and
Hydraulic system transmission shaft (1529) is separately mounted in two groups of coaxial through-holes；Torque stepless regulating mechanism (15) is passed by vehicle
Moving axis (1514) and vehicle transmission mechanism (30) are sequentially connected, and pass through hydraulic system transmission shaft (1529) and auxiliary braking and energy
Recycling and reusing mechanism (31) transmission connection；
The tooth form sleeve (1515) is tube kind part, and both ends are provided with stepped hole, distance one rolling on the right side of the step of left side
Placement check ring (1520) groove is provided at bearing I V (1519) width, the outer surface of tooth form sleeve (1515) is straight-tooth knot
Structure is engaged with spur gear (1521)；
The axial direction initiative taper disk (1523) is wheel disk-like accessory, and center is provided with through-hole, left side external cylindrical surface there are two step, after
End face is the conical surface；It is wheel disk-like accessory that axial restraint, which bores disk II (1524), and center is provided with through-hole, and front end face is the conical surface；It is axial main
With hydraulic system transmission shaft (1529) transition fit, centre forms one for mantle disk (1523) and axial restraint cone disk II (1524)
A v-depression forms pulley II；
Rolling bearing IV (1519) inner surface and axial initiative taper disk (1523) transition fit, outer surface and tooth form sleeve (1515)
The outer ring side of transition fit, rolling bearing IV (1519) is positioned by the first left step of tooth form sleeve (1515), outer ring
The other side is positioned by the check ring (1520) in tooth form sleeve (1515) groove, and inner ring is by the of axial initiative taper disk (1523)
One step positioning, rolling bearing V (1522) inner surface and axial initiative taper disk (1523) transition fit, outer surface and tooth profile sleeve
The inner surface transition fit of cylinder (1515), outer ring are positioned by the right side step of tooth form sleeve (1515), and inner ring is by axial initiative taper
Second step of disk (1523) limits；The right side that axial restraint bores disk II (1524) is positioned by sleeve III (1525), sleeve
III (1525) is a stairstepping sleeve and hydraulic system transmission shaft (1529) transition fit, the major diameter of sleeve III (1525)
Outer surface end withstands on the rear end face of axial restraint cone disk II (1524), and minor diameter outer surface end withstands on rolling bearing VI's (1526)
On inner ring, rolling bearing VI (1526) and axis transition fit, outer ring is fixed by bearing air cover II (1527), bearing air cover II
(1527) it is fixed on shell by screw IV (1528)；The rolling bearing III (1518) and hydraulic system transmission shaft
(1529) transition fit is fixed on the shaft end on the left of hydraulic system transmission shaft (1529), and outer ring left side is by bearing (ball) cover II
(1516) fixed, inner ring is positioned by the shaft shoulder of hydraulic system transmission shaft (1529), and bearing (ball) cover II (1516) passes through screw III
(1517) it is fixed on shell；
It is wheel disk-like accessory that axial restraint, which bores disk I (1509) and axial direction with mantle disk (1507), and center is provided with through-hole, an end
Face is the conical surface；Axial restraint bore disk I (1509) and axial direction with mantle disk (1507) with vehicle transmission shaft (1514) transition fit,
Centre forms a v-depression, forms another pulley I；Metal tape (1508) covers on pulley I and pulley II, with axial direction
Initiative taper disk (1523) and the axial movement with mantle disk (1507), v-depression broaden or narrow therewith, metal tape is increased or
It reduces, to change the diameter of metal tape and pulley contact, is equivalent to the gear for switching different-diameter in gear shift；
The rolling bearing I (1504) and vehicle transmission shaft (1514) transition fit is fixed on shaft end, and outer ring is by bearing (ball) cover I
(1502) fixed, inner ring is positioned by sleeve I (1505), sleeve I (1505) and vehicle transmission shaft (1514) transition fit, return bullet
Spring (1506) is wrapped on vehicle transmission shaft (1514), and one end withstands on the front end face of (1505) sleeve I, the other end withstand on it is axial with
The rear end face of mantle disk (1507)；Sleeve II (1510) is a stairstepping sleeve, and vehicle transmission shaft (1514) transition fit,
Major diameter outer surface end is contacted with axial restraint cone disk I (1509), and minor diameter outer surface end withstands on rolling bearing II's (1511)
On inner ring, rolling bearing II (1511) and vehicle transmission shaft (1514) transition fit, the other end of rolling bearing II (1511) by
Bearing air cover I (1512) positioning, bearing air cover I (1512) are fixed on shell by screw II (1513)；
The bearing (ball) cover I (1502) and bearing (ball) cover II (1516) is coaxial rotating body formula wheel disk-like accessory, and structure can divide
At cylindrical drum and disk two parts, there is the inner hole with taper in cylindrical drum, cylinder outer surface and shell cooperate, on disk there are four
Circumferentially equally distributed cylindrical hole, effect are loaded into threaded fastener screw I (1501) and screw III (1517), connect
Bearing (ball) cover and shell；Bearing air cover I (1512), the bearing air cover II (1527) is coaxial rotating body formula wheel disc class zero
Part, structure can be divided into cylindrical drum and disk two parts, there is the inner hole with taper in cylindrical drum, and cylinder outer surface and shell cooperate,
Disc centre has a through-hole and axis cooperation, and disk is circumferentially uniformly distributed four cylindrical holes, screw I (1528) and screw III
(1513) it is connected by four cylindrical holes with shell.
2. the hybrid power system of integrated hydraulic auxiliary braking according to claim 1 and energy regenerating reuse means,
It is characterized in that, the torque stepless regulating mechanism (15) is controlled by control unit (17), control stepper motor can be passed through
Stepping angle controls the corner of spur gear (1521), so that the distance that tooth form sleeve (1515) is axially moved to the left or right is controlled,
When tooth form sleeve (1515) axially to the right when, push axial initiative taper disk (1523) that v-depression above is made to become smaller and force
Metal tape (1508) rises, i.e. the contact radius r2 of pulley II on hydraulic system transmission shaft (1529) and metal tape (1508) becomes
Greatly, metal tape (1508) rises to push and move right compression retracteding position spring (1506) with mantle disk (1507), vehicle transmission shaft
(1514) pulley I and the contact radius r1 of metal tape (1508) on become smaller；When tooth form sleeve (1515) is axially moved to the left,
The reset of the return spring (1506) of compression will push to be moved to the left with mantle disk (1507), so that following v-depression is become smaller urgent
Decline metal tape (1508), the contact radius r2 of pulley and metal tape (1508) on hydraulic system transmission shaft (1529) becomes
Small, the contact radius r1 of pulley and metal tape (1508) on vehicle transmission shaft (1514) becomes larger, the decline of metal tape (1508)
It forces v-depression above to become larger, is moved to the left axial initiative taper disk (1523), entire moving process realizes chain conveyer biography
The stepless variation of dynamic stepless variation namely torque than i.
3. the hybrid power system of integrated hydraulic auxiliary braking according to claim 1 and energy regenerating reuse means,
It is characterized in that, the vehicle transmission mechanism (30) is by motor or engine (9), clutch (10), gearbox (11), transfer
Case (13), main reducing gear (14), clutch II (12) composition；Motor or engine (9), clutch (10) are pressed with gearbox (11)
It is sequentially connected with, gearbox (11) output end is connected with one end of transfer case (13) master gear, the other end of master gear and master
Retarder (14) is connected, and two output ports of main reducing gear are separately connected two sides wheel, one end of transfer case (13) pinion
It is connected with the front end of clutch II (12), the rear end of clutch II (12) and the vehicle transmission shaft of torque stepless regulating mechanism (15)
(1514) it connects.
4. the hybrid power system of integrated hydraulic auxiliary braking according to claim 1 and energy regenerating reuse means,
It is characterized in that, the hydraulic brake mechanism (29) is by master cylinder (1), bi-bit bi-pass Solenoid ball valve (28), ESC valve block
(3), high-speed switch electromagnetic valve (2), wheel cylinder group (4) composition；
The master cylinder (1) is by brake pedal (101), piston rod (102), piston rod seals (103), master cylinder body
(104), second piston sealing ring (105), second piston support ring (106), second piston (107), ante-chamber piston seal
(108), ante-chamber piston support ring (109), master cylinder cylinder cap (110), cylinder cap sealing ring (111), ante-chamber return spring (112), preceding
Chamber piston (113), the second chamber return spring (114), fastening screw (115), displacement sensor (116) composition；
The master cylinder cylinder cap (110) is coaxial rotating body formula wheel disk-like accessory, and structure can be divided into cylindrical drum and disk two parts,
There is the inner hole with taper in cylindrical drum, cylinder is machined with the annular groove of a placement cylinder cap sealing ring (111) close to disk end, circle
Cylinder outer surface and master cylinder body inner cylinder face cooperate, and disk is connect in a welding manner with master cylinder body front end；The master cylinder
Cylinder body (104) is that one end is open forward tubular class part, has a through-hole at cylinder bottom center, there is placement piston rod packing in the through-hole
Enclose (103) annular groove, master cylinder body (104) inner circular cylinder be sequentially installed with from front to back ante-chamber return spring (112),
Ante-chamber piston (113), the second chamber return spring (114), second piston (107), piston rod (102)；Ante-chamber return spring (112)
Front end withstand on the inner surface of master cylinder cylinder cap (110), rear end is withstood on the front end face of ante-chamber piston (113), ante-chamber piston
(113) external cylindrical surface is cased with an ante-chamber piston support ring (109) made of wear-resistant material, ante-chamber piston support ring
(109) two sides cover an ante-chamber piston seal (108), external cylindrical surface and master cylinder body (104) of ante-chamber piston (113) respectively
Inner surface transition fit；The front end of second chamber return spring (114) is withstood on the rear end face of ante-chamber piston (113), rear end top
On the front end face of second piston (107), the external cylindrical surface of second piston (107) is cased with one second made of wear-resistant material
Piston support ring (106), second piston support ring (106) two sides cover a second piston sealing ring (105), second piston respectively
(107) the inner surface transition fit of external cylindrical surface and master cylinder body (104)；The piston rod (102) is axial workpiece,
Its front end is machined with external screw thread and is connected with second piston (107) and fastening screw (115), and second piston (107) is by fastening screw
(115) it is tightened in piston rod (102) externally threaded root in front end, piston rod (102) is from master cylinder body (104), second piston
(107) it is passed through with the circular through holes of fastening screw (115), brake pedal (101) are installed in piston rod (102) rear end；The position
Displacement sensor (116) is mounted on piston rod (102), and signal, which exports, gives control unit (17)；Master cylinder cylinder cap (111) inner surface with
Wheel cylinder brake chamber before part between the front end face of ante-chamber piston (113) forms, the rear end face of ante-chamber piston (113) and second are lived
The part filled between the front end face of (107) forms rear wheel cylinder brake chamber, the rear end face of second piston (107) and the cylinder of master cylinder body
Part between bottom surface forms master cylinder power-assisted chamber；There are two along the circumferential direction differential seat angles on preceding wheel cylinder brake chamber cylindrical wall is
(180) the through-hole c and through-hole h spent, through-hole h are located at close to master cylinder cylinder cap side, and through-hole c is located at close to ante-chamber piston (113) front end
Surface side can block through-hole c once brake front wheel cylinder brake chamber piston (113) forward movement, rear wheel cylinder brake chamber cylinder
There are two through-hole d and through-hole g that along the circumferential direction differential seat angle is 180 degree, through-hole g to be located at after ante-chamber piston (113) on wall
End surface side, through-hole d are located at close to second piston (107) front end surface side, and moving forward once braking second piston (107) can
Through-hole d is blocked, there are two through-hole c and through-hole h that along the circumferential direction differential seat angle is 180 degree on master cylinder power-assisted chamber cylindrical wall, is led to
Hole c and through-hole h is on axial position without particular/special requirement；
The e mouth of master cylinder (1) is connected with the A mouth of bi-bit bi-pass Solenoid ball valve (28), and f mouth and the high speed of master cylinder (1) are opened
The outlet of powered-down magnet valve (2) is connected, the entrance of wheel cylinder brake circuit, system before the h mouth connection ESC valve block of master cylinder (1)
The entrance of wheel cylinder brake circuit after the g mouth connection ESC valve block of dynamic master cylinder (1), the outlet of ESC valve block is separately connected braked wheel
Wheel cylinder in cylinder group (4)；
The high-speed switch electromagnetic valve (2) is high-speed switch valve, passes through the switch of pwm signal control high-speed switch electromagnetic valve (2)
Frequency, and then the flow for entering master cylinder power-assisted chamber is controlled, to control the hydraulic coupling of master cylinder power-assisted chamber.
5. the hybrid power system of integrated hydraulic auxiliary braking according to claim 4 and energy regenerating reuse means,
It is characterized in that,
The auxiliary braking and energy regenerating recycle mechanism (31) by hydraulic pump/motor (16), inserted valve I (18), two
Four-way electromagnetic reversing valve (19), inserted valve II (20), two position, three-way electromagnetic change valve (21), inserted valve III (22), small accumulator
(23), shuttle valve (24), big accumulator (25), safety valve (26), lubricating cup (27), oil-supplementing system safety valve (5), slippage pump (6), list
It is formed to valve (8), two-position two-way electromagnetic directional valve (7)；
Wherein, the axis of hydraulic pump/motor (16) is connect by shaft coupling with hydraulic system transmission shaft (1529), hydraulic pump/motor
(16) outlet is connected with the A mouth of inserted valve I (18) and inserted valve II (20), the entrance and check valve of hydraulic pump/motor (16)
(8) outlet of outlet, two-position two-way electromagnetic directional valve (7), the A mouth of inserted valve III (22) are connected；The X mouth of inserted valve I (18)
It is connected with the P mouth of two-position four-way solenoid directional control valve (19), X mouth and the two-position four-way solenoid directional control valve (19) of inserted valve II (20)
T mouthfuls are connected, the import of big accumulator (25) and the B mouth of shuttle valve (24), the B mouth of inserted valve II (20), inserted valve III (22) B
Mouth is connected with the entrance of safety valve (26), and the X mouth of inserted valve III (22) is connected with the P mouth of two position, three-way electromagnetic change valve (21),
The S mouth of shuttle valve (24) is connected with the A mouth of the B mouth of two-position four-way solenoid directional control valve (19) and two position, three-way electromagnetic change valve (21),
The outlet of slippage pump (6) and the entrance of two-position two-way electromagnetic directional valve (7), the entrance of oil-supplementing system safety valve (5), small accumulator
(23) the A mouth of import, shuttle valve (24) is connected with the import of high-speed switch electromagnetic valve (2)；
The I mouth of the lubricating cup (27) and the B mouth of inserted valve I (18), the A mouth of two-position four-way solenoid directional control valve (19), two three
The T mouth of electric change valve (21) is connected, and the II mouth of lubricating cup (27) is connected with the outlet of safety valve (26), lubricating cup (27)
III mouth is connected with the B mouth of bi-bit bi-pass Solenoid ball valve (28), the d mouth phase of the IV mouth and master cylinder (1) of lubricating cup (27)
Even, the V mouth of lubricating cup (27) is connected with the c mouth of master cylinder (1), the VI mouth of lubricating cup (27) and entrance, the benefit of slippage pump (6)
The outlet of oil system safety valve (5) is connected with the import of check valve (8).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112013056A (en) * | 2020-08-24 | 2020-12-01 | 天水师范学院 | Novel double-air-cavity disc type brake control system |
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