CN110203179A - Brake for electric vehicle based on hydraulic energy braking - Google Patents
Brake for electric vehicle based on hydraulic energy braking Download PDFInfo
- Publication number
- CN110203179A CN110203179A CN201910452277.0A CN201910452277A CN110203179A CN 110203179 A CN110203179 A CN 110203179A CN 201910452277 A CN201910452277 A CN 201910452277A CN 110203179 A CN110203179 A CN 110203179A
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- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 24
- 239000003921 oil Substances 0.000 claims description 6
- 241001416181 Axis axis Species 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
-
- 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
- B60T13/74—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 electrical assistance or drive
- B60T13/745—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 electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of brakes for electric vehicle based on hydraulic energy braking, including hydraulic damping device and meshing device, meshing device includes driving shaft, the driven shaft being coaxially disposed with driving shaft, the driving gear disc being respectively sleeved in outside driving shaft and driven shaft and driven fluted disc and the driving mechanism on driven fluted disc, driving shaft is fixedly connected away from one end of driven shaft with tyre revolution moving part or hub motor rotor, and driving gear disc is fixedly connected with driving shaft；Hydraulic damping device includes piston connect with driven shaft away from driving shaft one end, the elastic component for being used for its reset, hydraulic piston cylinder is connect with piston and connect hydraulic system to its fuel feeding with hydraulic piston cylinder, and piston is movable linearly in hydraulic piston cylinder.Brake for electric vehicle proposed by the present invention based on hydraulic energy braking assists providing braking moment using hydraulic energy, it is only necessary to consume a small amount of electric energy.
Description
Technical field
The present invention relates to brake technical field more particularly to a kind of brakings for electric vehicle based on hydraulic energy braking
Device.
Background technique
Fossil energy consumption increasingly aggravates in world wide, and various countries, which advocate, uses clean energy resource, advocates Green Travel, environmental protection
Trip.Various countries are also promoting the use of the new-energy automobiles such as electric car, and electric vehicle brake mode is varied, can both adopt
The mechanical braking mode for taking conventional friction to brake, and can be by the way of motor braking, and motor braking can not only return
Energy is received as battery charging, power consumption can also be reduced.But single use motor braking cannot provide completely and keep automobile fast
Braking moment needed for speed braking, traditional friction brake need motor to provide in the case where no engine provides power
Power, energy needed for the energy of such motor braking recycling is not enough to provide friction catch, it is also necessary to additional consumption automobile electricity
Pond energy, is unfavorable for energy conservation.
Summary of the invention
The main purpose of the present invention is to provide a kind of brakes for electric vehicle based on hydraulic energy braking, it is intended to work as electricity
Mechanism is moved in the case where can not providing enough braking moments, utilizes hydraulic energy to assist providing braking moment, it is only necessary to which consumption is a small amount of
Electric energy.
To achieve the above object, the present invention provides a kind of brake for electric vehicle based on hydraulic energy braking, including liquid
Press buffer unit and meshing device, wherein
The meshing device includes driving shaft, the driven shaft being coaxially disposed with driving shaft, is respectively sleeved in outside driving shaft and driven shaft
Driving gear disc and driven fluted disc and the driving mechanism on driven fluted disc, the one end and wheel of driving shaft away from driven shaft
Tire rotating member or hub motor rotor are fixedly connected, and driving gear disc is fixedly connected with driving shaft；When not braking, driven shaft relative to
Driving shaft can be rotated；When braking, drives driven fluted disc to slide relative to driven shaft by driving mechanism and nibbled with driving gear disc
Conjunction rotates synchronously driven shaft and driving shaft to realize braking；
The hydraulic damping device includes piston connect with driven shaft away from driving shaft one end, connect with piston and to be used for its and reset
Elastic component, hydraulic piston cylinder and hydraulic system to its fuel feeding is connect with hydraulic piston cylinder, piston is in hydraulic piston cylinder
It is movable linearly.
The brake for electric vehicle for being preferably based on hydraulic energy braking further includes that the piston enclosed on the outside of piston is slided
Road, piston move linearly in piston slideway.
Preferably, the elastic component is to be placed on driven shaft in the reverse reset spring of one side end of piston, driven shaft
Portion is equipped with spring base, and one end of reverse reset spring is located in the spring base on driven shaft, the other end and the fixed company of pistons end
It connects.
Preferably, the hydraulic system includes the throttle valve set gradually, hydraulic oil container and check valve and connection throttling
The hydraulic pipeline of valve, check valve and hydraulic oil container, wherein one end of throttle valve is fuel-displaced by hydraulic pipeline and hydraulic piston cylinder
One end of mouth connection, check valve is connected by the oil inlet of hydraulic pipeline and hydraulic piston cylinder.
Preferably, the driving mechanism include be installed on driven fluted disc lateral wall and relative to its rotatable cam,
And the stretching reset spring for cam return, the both ends for stretching reset spring are fixed with cam and driven fluted disc respectively to be connected
It connects, under automobile brake state, cam rotation is engaged driven fluted disc and driving gear disc by stepped tooth.
Preferably, more set driving mechanisms are evenly distributed in the driven fluted disc circumferential direction.
Preferably, the driven shaft is externally provided with screw thread close to the end of piston one end, and piston is opened up towards driven shaft side
There is threaded hole, driven shaft is inserted into the threaded hole of piston to carry out screw-driven.
Preferably, the junction of the driven shaft and driving shaft is cased with to middle ring with two axis axis of centering.
Preferably, the driving gear disc is fixedly connected by key with driving shaft.
Preferably, the driven fluted disc is slidably connected by lead key and driven shaft.
Brake for electric vehicle proposed by the present invention based on hydraulic energy braking, has the advantages that
1, the method that conventional brake is frictionally braked is changed.Ventional disc brake clamps brake disc by caliper and provides
Frictional force brakes, traditional drum brake resist brake drum offer frictional force brakes, both braking sides by strutting brake-shoe
Formula require engine to master cylinder and wheel cylinder provide large energy with generate enough positive forces squeeze brake disc or
Brake drum generates frictional force.And the present invention changes the direction of implementation capacity, it is only necessary to which electric car provides a small amount of electrical energy drive
Cam rotation, makes driven fluted disc be meshed with driving gear disc, so that driven shaft be driven to rotate, piston is in driven shaft screw-driven
It is gradually stretched out under effect, squeezes the hydraulic oil in hydraulic piston cylinder, force driving gear disc to stop operating using the hydraulic energy of generation；
2, energy-efficient, improve electric car course continuation mileage.This automobile brake stand-by motor is braked to be provided to automobile
Braking, it is only necessary to which a small amount of energy band moving cam rotation of electrical consumption realizes automobile brake using hydraulic energy, and is braking
Motor braking can also recycle braking energy in the process, charge for battery；
3, simple and compact for structure instead of complicated Conventional braking systems, it is light-weight, it is convenient for electric car lightweight；
4, in-wheel motor integrated level is high, and leakproofness is excellent, and the big weak heat-dissipating of heat production is a big drawback.The present invention utilizes hydraulic energy system
It is dynamic, it rubs small, generates heat low, be suitble to be integrated into various wheels in driving motor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the brake for electric vehicle braked the present invention is based on hydraulic energy.
In figure, 1, driving gear disc；2, driven fluted disc；3, reset spring is stretched；4, cam；5, driven shaft；6, screw thread；7, living
Fill in slideway；8, piston；9, hydraulic piston cylinder；10, throttle valve；11, hydraulic oil pipe；12, hydraulic oil container；13, check valve；14, it turns round
Turn reset spring；15, spring base；16, lead key；17, to middle ring；18, driving shaft.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Referring to Fig.1, in this preferred embodiment, a kind of brake for electric vehicle based on hydraulic energy braking, including it is hydraulic
Buffer unit and meshing device, wherein
Meshing device includes driving shaft 18, the driven shaft 5 being coaxially disposed with driving shaft 18, is respectively sleeved in driving shaft 18 and driven shaft
Driving gear disc 1 and driven fluted disc 2 outside 5 and the driving mechanism on driven fluted disc 2, driving shaft 18 is away from driven shaft 5
One end is fixedly connected with tyre revolution moving part or hub motor rotor, and driving gear disc 1 is fixedly connected with driving shaft 18；When not braking
(i.e. normally travel state), driven shaft 5 can be rotated relative to driving shaft 18；When braking, driven fluted disc 2 is driven by driving mechanism
Sliding to engage with driving gear disc 1 relative to driven shaft 5 rotates synchronously driven shaft 5 and driving shaft 18 to realize braking；
Hydraulic damping device includes the piston 8 connecting with driven shaft 5 away from 18 one end of driving shaft, connect with piston 8 and answer for it
The elastic component of position and connect the hydraulic system to its fuel feeding with hydraulic piston cylinder 9 at hydraulic piston cylinder 9, and piston 8 is in hydraulic piston
It is movable linearly in cylinder 9.
Driving shaft 18 is fixedly connected by key with driving shaft 18 in the rightmost side, driving gear disc 1, driving gear disc 1 and driving shaft
18 rotate synchronously.Driven fluted disc 2 is slidably connected by lead key 16 with driven shaft 5.Driven fluted disc 2 is mounted on 1 left side of driving gear disc,
It is connected in 5 right end of driven shaft by lead key 16, driven fluted disc 2 can be in 16 side's upward sliding of lead key.
It further, further include the work enclosed set on 8 outside of piston based on the brake for electric vehicle that hydraulic energy is braked
Slideway 7 is filled in, piston 8 moves linearly in piston slideway 7.By the way that piston slideway 7 is arranged, the reliable sliding of piston 8 ensure that.
In the present embodiment, elastic component is to be placed on driven shaft 5 close to the reverse reset spring 14 of 8 one side end of piston, driven
Spring base 15 is equipped in the middle part of axis 5, one end of reverse reset spring 14 is located in the spring base 15 on driven shaft 5, the other end and work
8 ends are filled in be fixedly connected.
Specifically, hydraulic system includes the throttle valve 10 set gradually, hydraulic oil container 12 and check valve 13 and connection section
Flow the hydraulic pipeline of valve 10, check valve 13 and hydraulic oil container 12, wherein one end of throttle valve 10 passes through hydraulic pipeline and hydraulic work
The oil outlet of plug cylinder 9 connects, and one end of check valve 13 is connect by hydraulic pipeline with the oil inlet of hydraulic piston cylinder 9.
Driving mechanism includes being installed on driven 2 lateral wall of fluted disc and relative to its rotatable cam 4 and for convex
The stretching reset spring 3 that wheel 4 resets, the both ends for stretching reset spring 3 are fixedly connected with cam 4 and driven fluted disc 2 respectively, in vapour
It under vehicle on-position, is rotated by cam 4, drives driven fluted disc to be moved to and be engaged with driving gear disc 1 by stepped tooth, from
And realize the braking rotated to driving shaft 18.Further, more set driving mechanisms are evenly distributed in driven 2 circumferential direction of fluted disc, with
Realize gradual braking.
Specifically, cam 4 and stretching reset spring 3 are fixedly mounted at driven 2 left side step of fluted disc, and annular spread has four
Set, the rotational angle of cam 4 and the indicating brake action of brake pedal are positively correlated.Under normally travel state, cam 4 is located at initial bit
It sets, driving gear disc 1 and driven fluted disc 2 keep disengaged condition under the action of stretching reset spring 3；Under automobile brake state,
Cam 4 rotates, and is engaged driven fluted disc 2 by trapezoidal gear with driving gear disc 1；It is returned to normally in automobile by on-position
When driving status, cam 4 returns to original state, and driven fluted disc 2 returns to original state under the action of stretching reset spring 3, from
Active toothed disk 2 is disengaged with driving gear disc 1.
In addition, driven shaft 5 is externally provided with screw thread close to the end of 8 one end of piston, piston 8 is offered towards 5 side of driven shaft
Threaded hole, driven shaft 5 are inserted into the threaded hole of piston 8 to carry out screw-driven.
The junction of driven shaft 5 and driving shaft 18 is cased with to middle ring 17 with two axis axis of centering.Middle ring 17 is located at driven
Inside fluted disc 2.
Piston 8 can move linearly in hydraulic piston cylinder 9.In automobile normal running, piston 8 is in reverse reset spring 14
Under the action of be located at initial position；When automobile brake, since driven fluted disc 2 is meshed with driving gear disc 1, driven shaft 5 is rotated,
It drives piston 8 to stretch out under the action of screw-driven, squeezes the hydraulic oil in hydraulic piston cylinder 9, piston 8 is forced to halt,
To make shaft stop operating；When automobile is returned to normally travel state from on-position, piston 8 is in reverse reset spring 14
Under the action of return to original state.
It is connected to by hydraulic oil pipe 11 with the hydraulic oil container 12 of lower part on the left of hydraulic piston cylinder 9, is returned in the hydraulic oil pipe 11
Throttle valve 10 is set in road and controls hydraulic fluid flow rate, the uninterrupted and brake pedal indicating brake action negative that throttle valve 10 controls
It closes.When automobile light brake, 10 aperture of throttle valve is larger, and hydraulic fluid flow rate is larger, realizes light brake；Automobile emergency brake
When, 10 aperture of throttle valve is smaller, and hydraulic fluid flow rate is smaller, realizes emergency braking.
The downside of hydraulic piston cylinder 9 is connected to by hydraulic oil pipe 11 with hydraulic oil container 12, is provided in the oil pipe circuit
Check valve 13 controls hydraulic oil liquid can only be from hydraulic oil container 12 to 9 one-way flow of hydraulic piston cylinder.When automobile processed is dynamic, piston 8
Squeeze hydraulic piston cylinder 9 in hydraulic oil, hydraulic oil can only from be equipped with throttle valve 10 pipeline flow out, when automobile from braking shape
When state is returned to normally travel state, piston 8 returns to original state, and the negative pressure generated in hydraulic piston cylinder 9 can be by hydraulic oil container
Hydraulic oil in 12 is sucked in hydraulic piston cylinder 9 by check valve 13.
The settable vehicle brake of helping of hydraulic oil container 12 shares one, can be configured as every set brake and is equipped with one.
Working principle based on the brake for electric vehicle of hydraulic energy braking is as follows.It is convex under normally travel state
Wheel 4 is located at initial position, driving gear disc 1 and driven fluted disc 2 and keeps disengaged condition under the action of stretching reset spring 3；In vapour
Under vehicle on-position, cam 4 is rotated, and is engaged driven fluted disc 2 by trapezoidal gear with driving gear disc 1, and 5 turns of driven shaft
It is dynamic, it drives piston 8 to stretch out under the action of screw-driven, squeezes the hydraulic oil in hydraulic piston cylinder 9, force work using hydraulic energy
Plug 8 halts, so that driving shaft 18 be made to stop operating；When automobile returns to normally travel state by on-position, cam 4 is returned
To original state, driven fluted disc 2 returns to original state, driven fluted disc 2 and driving gear disc 1 under the action of stretching reset spring 3
It is disengaged, plug returns to original state under the action of reverse reset spring 14.
Brake for electric vehicle proposed by the present invention based on hydraulic energy braking, has the advantages that
1, the method that conventional brake is frictionally braked is changed.Ventional disc brake clamps brake disc by caliper and provides
Frictional force brakes, traditional drum brake resist brake drum offer frictional force brakes, both braking sides by strutting brake-shoe
Formula require engine to master cylinder and wheel cylinder provide large energy with generate enough positive forces squeeze brake disc or
Brake drum generates frictional force.And the present invention changes the direction of implementation capacity, it is only necessary to which electric car provides a small amount of electrical energy drive
Cam 4 rotates, and driven fluted disc 2 is made to be meshed with driving gear disc 1, so that driven shaft 5 be driven to rotate, piston 8 is in 5 screw thread of driven shaft
It is gradually stretched out under the action of transmission, squeezes the hydraulic oil in hydraulic piston cylinder 9, force driving gear disc 1 using the hydraulic energy of generation
It stops operating；
2, energy-efficient, improve electric car course continuation mileage.This automobile brake stand-by motor is braked to be provided to automobile
Braking, it is only necessary to which a small amount of rotation of energy band moving cam 4 of electrical consumption realizes automobile brake using hydraulic energy, and is braking
Motor braking can also recycle braking energy in the process, charge for battery；
3, simple and compact for structure instead of complicated Conventional braking systems, it is light-weight, it is convenient for electric car lightweight；
4, in-wheel motor integrated level is high, and leakproofness is excellent, and the big weak heat-dissipating of heat production is a big drawback.The present invention utilizes hydraulic energy system
It is dynamic, it rubs small, generates heat low, be suitble to be integrated into various wheels in driving motor.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (10)
1. a kind of brake for electric vehicle based on hydraulic energy braking, which is characterized in that including hydraulic damping device and engagement
Device, wherein
The meshing device includes driving shaft, the driven shaft being coaxially disposed with driving shaft, is respectively sleeved in outside driving shaft and driven shaft
Driving gear disc and driven fluted disc and the driving mechanism on driven fluted disc, the one end and wheel of driving shaft away from driven shaft
Tire rotating member or hub motor rotor are fixedly connected, and driving gear disc is fixedly connected with driving shaft；When not braking, driven shaft relative to
Driving shaft can be rotated；When braking, drives driven fluted disc to slide relative to driven shaft by driving mechanism and nibbled with driving gear disc
Conjunction rotates synchronously driven shaft and driving shaft to realize braking；
The hydraulic damping device includes piston connect with driven shaft away from driving shaft one end, connect with piston and to be used for its and reset
Elastic component, hydraulic piston cylinder and hydraulic system to its fuel feeding is connect with hydraulic piston cylinder, piston is in hydraulic piston cylinder
It is movable linearly.
2. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that further include enclosing to set
Piston slideway on the outside of piston, piston move linearly in piston slideway.
3. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that the elastic component
Spring base, reverse reset spring are equipped in the middle part of the reverse reset spring of one side end of piston, driven shaft to be placed on driven shaft
One end be located in the spring base on driven shaft, the other end is fixedly connected with pistons end.
4. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that the hydraulic pressure system
System includes the hydraulic of the throttle valve, hydraulic oil container and the check valve that set gradually and connection throttle valve, check valve and hydraulic oil container
Pipeline, wherein one end of throttle valve is connected by the oil outlet of hydraulic pipeline and hydraulic piston cylinder, and one end of check valve passes through liquid
The connection of the oil inlet of pressure pipeline and hydraulic piston cylinder.
5. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that the driving machine
Structure includes being installed on driven fluted disc lateral wall and relative to its rotatable cam and for the stretching reset of cam return
Spring, the both ends for stretching reset spring are fixedly connected with cam and driven fluted disc respectively, and under automobile brake state, cam turns
It is dynamic, it is engaged driven fluted disc and driving gear disc by stepped tooth.
6. the brake for electric vehicle as claimed in claim 5 based on hydraulic energy braking, which is characterized in that the driven tooth
More set driving mechanisms are evenly distributed in disk circumferential direction.
7. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that the driven shaft
It is externally provided with screw thread close to the end of piston one end, piston offers threaded hole towards driven shaft side, and driven shaft is inserted into piston
To carry out screw-driven in threaded hole.
8. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that the driven shaft
It is cased with to middle ring with the junction of driving shaft with two axis axis of centering.
9. the brake for electric vehicle as described in claim 1 based on hydraulic energy braking, which is characterized in that the driving tooth
Disk is fixedly connected by key with driving shaft.
10. the brake for electric vehicle as in one of claimed in any of claims 1 to 9 based on hydraulic energy braking, feature
It is, the driven fluted disc is slidably connected by lead key and driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452277.0A CN110203179B (en) | 2019-05-28 | 2019-05-28 | Brake for electric automobile based on hydraulic energy braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910452277.0A CN110203179B (en) | 2019-05-28 | 2019-05-28 | Brake for electric automobile based on hydraulic energy braking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203179A true CN110203179A (en) | 2019-09-06 |
| CN110203179B CN110203179B (en) | 2024-10-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910452277.0A Active CN110203179B (en) | 2019-05-28 | 2019-05-28 | Brake for electric automobile based on hydraulic energy braking |
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| CN (1) | CN110203179B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116792336A (en) * | 2023-08-23 | 2023-09-22 | 鸿陆智能科技(山东)有限公司 | Connecting device for MVR vapor compressor impeller and main shaft |
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2019
- 2019-05-28 CN CN201910452277.0A patent/CN110203179B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1249958A (en) * | 1969-07-07 | 1971-10-13 | Jacob Meir Kahana | A vehicle braking control device |
| US3824420A (en) * | 1970-03-04 | 1974-07-16 | Honeywell Bull Nv | Device for transforming a rotational motion into a translational motion |
| CN1706701A (en) * | 2004-06-10 | 2005-12-14 | 比亚迪股份有限公司 | Electromobile braking system |
| KR20100030012A (en) * | 2008-09-09 | 2010-03-18 | 현대모비스 주식회사 | Electro mechanical brake system having gear engaging typed electro parking braking force |
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| CN210083183U (en) * | 2019-05-28 | 2020-02-18 | 武汉理工大学 | Brake for electric automobile based on hydraulic energy braking |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116792336A (en) * | 2023-08-23 | 2023-09-22 | 鸿陆智能科技(山东)有限公司 | Connecting device for MVR vapor compressor impeller and main shaft |
| CN116792336B (en) * | 2023-08-23 | 2023-12-12 | 鸿陆智能科技(山东)有限公司 | Connecting device for MVR vapor compressor impeller and main shaft |
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| CN110203179B (en) | 2024-10-18 |
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