CN106585370A - Energy-saving vehicle braking device - Google Patents

Energy-saving vehicle braking device Download PDF

Info

Publication number
CN106585370A
CN106585370A CN201611137738.8A CN201611137738A CN106585370A CN 106585370 A CN106585370 A CN 106585370A CN 201611137738 A CN201611137738 A CN 201611137738A CN 106585370 A CN106585370 A CN 106585370A
Authority
CN
China
Prior art keywords
brake
output input
output
connecting plate
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611137738.8A
Other languages
Chinese (zh)
Other versions
CN106585370B (en
Inventor
王刚
王晓兰
王晓博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201611137738.8A priority Critical patent/CN106585370B/en
Publication of CN106585370A publication Critical patent/CN106585370A/en
Application granted granted Critical
Publication of CN106585370B publication Critical patent/CN106585370B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06Arrangements 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
    • B60T1/067Arrangements 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 drum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/10Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels by utilising wheel movement for accumulating energy, e.g. driving air compressors

Abstract

The invention relates to an energy-saving vehicle braking device, and the device comprises a half shaft, and a half shaft sleeve tube sleeving the half shaft of a vehicle. The device also comprises a power part, an input/output part and an accessory part, wherein the power part comprises a brake drum, a front oil seal seat, a front bearing, and a rear bearing. The brake drum is supported by the front and rear bearings, and the rear end of the brake drum is provided with power teeth. The input/output part comprises an output/input connecting plate, a transmission shaft, a transmission shaft bearing, an output/input gear, an oil seal cover, and an output/input gear fixing bolt. The device is advantageous in that the device is reasonable in structural design, is safe and reliable for use, can recycle most of energy in a braking process, reduces the energy waste, can prevent tyres from slipping during braking on snow and wet slippery road surfaces, guarantees the driving safety, and prolongs the service life of tyres.

Description

Energy-efficient vehicle brake unit
Technical field
The present invention relates to the brake unit of the vehicles, particularly one kind can reclaim almost all energy consumption in braking procedure And the energy-efficient vehicle brake unit being used, it is adaptable to automobile, train, electric car, motorcycle, bicycle etc..
Background technology
At present, Vehicular brake device mainly uses the brake sheet devices of tribology principle, and it is primarily present following problem:1、 The heat produced during frictional damping is wasted;2nd, when ice and snow, wet-skid road surface are braked, tire drags cunning on road surface, easily makes car It is out of control;3rd, easily make vehicle break away with the cross force of wheel direction of advance in braking procedure, there is potential safety hazard;4th, rub Braking makes tire and pavement friction, shortens the service life of tire and road surface.
Chinese patent application 201610635451.1 discloses a kind of energy-efficient vehicle brake unit and method, the device bag Include running part, output importation and appendage, running part, including sun tooth, planet tooth, internal tooth, power teeth, semiaxis Sleeve pipe, brake rim, brake lock unit, release lock unit, fore bearing and rear bearing;Output importation includes power transmission shaft, output Input gear, power transmission shaft fore bearing, power transmission shaft oil sealing and output input gear key, plain cushion, output input gear bolt, protecgulum And brake rim oil sealing;Appendage includes supporting the housing and Hall wheel speed sensors of semiaxis.Stopping before power teeth Car is roused, the centre of its brake rim section of stretching out backward, and by two power teeth needle bearings with retainer power teeths are connected, Sun tooth on axle tube carries copper by spending the strong rear portion for being connected to brake rim section of stretching out backward in sun tooth Set, brake rim drives sun tooth, and sun tooth engages with planet tooth, and planet tooth outward and is engaged with internal tooth.Power teeth is driven in brake rim Dynamic lower idle running, just by power connector to power teeth only in the presence of brake lock unit and release lock unit, power teeth with it is defeated Go out input gear and power transmission shaft connection.Although the device efficiently solves the brake sheet devices of existing utilization tribology principle and wastes Energy consumption, there is a problem of potential safety hazard, easy damaged tire and road surface, but, complex structure is also there is, cost of manufacture is high to ask Topic.
The content of the invention
The purpose of the present invention aims to provide and a kind of can reclaim and using the energy in braking procedure, fundamentally solve car The energy-efficient vehicle brake unit dragged sliding problem, extend tire and the service life on road surface occurred in ice and snow road braking.
The technical scheme is that what is be achieved in that:
According to a kind of energy-efficient vehicle brake unit of the present invention, including semiaxis, the axle tube that is set on car semiaxis, vehicle Actuating device, decelerator and spring assembly, described vehicle transmission gear includes brake solenoid, discharges solenoid, changes Retaining device, return spring, described spring assembly includes input ratchet and output ratchet, it is characterised in that:Also include power part Point, input/output section and appendage,
Described power section includes brake rim, and front oil seal seat on axle tube, fore bearing and rear bearing are sleeved on successively, stops Car drum is bearing on fore bearing and rear bearing, and Front oil seal is two, front between fore bearing, front oil seal seat and brake rim Fixed with jump ring before oil sealing, fore bearing packing ring and locking nut are provided with before front oil seal seat, brake rim middle part is to stop Hull, the rear portion of its brake disc is provided with double wedge, and the tire bolt hole for connecting tire, brake rim are provided with before brake disc Front end be fixedly connected with semiaxis by bolt, brake rim rear end is provided with power teeth;
Described output importation includes output input connecting plate, power transmission shaft, transmission shaft bearing, output input gear, oil sealing Lid and output input gear fixing bolt, described output input connecting plate is sleeved on axle tube, and by connecting bolt It is fixedly connected with axle housing, described transmission shaft bearing is arranged on output input connecting plate, and described power transmission shaft is defeated through output Enter connecting plate to be bearing on transmission shaft bearing, and oil seal cover and oil sealing are set with power transmission shaft, described oil seal cover passes through spiral shell Bolt is fixedly connected with output input connecting plate, and the front end key of power transmission shaft is connected with output input gear, described output input Gear is engaged with power teeth, plain cushion and output input gear fixing bolt is provided with the front end of output input gear, described The rear end of axle tube is set with axle housing, and described axle housing is fixedly connected by bolt with output input connecting plate, described Protecgulum is provided with front side of output input connecting plate end, described protecgulum one end is fixed with output input connecting plate by bolt and connected Connect, the other end is abutted against by brake rim outer oil seal and brake rim.
Further, described appendage include be arranged on output input connecting plate on brake rim middle part brake disc on The corresponding Hall wheel speed sensors of double wedge and installed in output input connecting plate on forward extend out with brake plate edge it is relative Reversing, parking brake.
The course of work and principle of the present invention:
During normal vehicle operation, brake rim and power teeth rotate together with the tire of vehicle on rear bearing, fore bearing, power teeth Output input tooth, power transmission shaft is driven also to rotate, but without load.When braking is needed, driver fills to the transmission on vehicle The brake solenoid put is powered, and brake solenoid drives gearshift(Shift fork and synchronizer sleeve)Connection braking gear tooth Wheel and reducer gear, decelerator is started working, and the power of decelerator work is the power teeth of brake rim, and decelerator is filled with spring Put connected, decelerator work is deformed spring, camber of spring makes the resistance increase that decelerator is rotated, rotating speed is slack-off, with it The power teeth and brake rim rotating speed of connected power section is slack-off, and Vehicle Speed slows down, until stopping.End of braking, In the presence of return spring, gearshift self-return, vehicle running speed-reduction or parking, the spring store energy of braking during braking Amount.
When release storage braking energy in the spring is needed, driver is to the release electromagnetic wire in actuating device on car Circle is powered, and solenoid drives release gearshift and combines release gear, stores the direct Jing transmissions of braking energy in the spring Axle reaches output input tooth and power teeth and promotes vehicle to advance, and release terminates, solenoid power-off, in the effect of return spring Under, gearshift return is discharged, vehicle continues to travel.
There is two pairs of ratchets and ratchet can only enter between decelerator and spring in spring assembly, it is impossible to go out, in spring Can only go out between power transmission shaft can not enter.
The invention has the beneficial effects as follows:
1st, present configuration is reasonable in design, safe and reliable, can reclaim and using braking procedure in most of energy, subtract Few energy waste.
Tire occurs dragging sliding phenomenon when the 2nd, can prevent ice and snow, wet-skid road surface from braking, it is ensured that vehicle driving safety.
3rd, can effectively eliminate in braking procedure makes vehicle that the problem of sideslip to occur with the cross force of travel direction.
4th, because brake force is the inertia force break-in of wheel, wheel is braked during pure rolling, extends wheel The service life of tire, reduces the degree of injury of road pavement.
Description of the drawings
Fig. 1 is the structural representation of the present invention(Correspondence embodiment 1).
Fig. 2 is B-B direction profile in Fig. 1.
Fig. 3 is C direction views in Fig. 1.
Wherein 1 power transmission shaft, 2 power transmission shaft oil sealings, 3 transmission shaft bearings, 4 output input gears, 5 output input gears fix spiral shell Bolt, 6 protecgulums, 7 brake rims, 8 tire bolt holes, bearing after 9,10 fore bearings, 11 Front oil seals, 12 front oil seal seats, 13 front axle rims Circle, 14 semiaxis, 15 brake rim outer oil seals, 16 power teeths, 17 output input connecting plate O-rings, 18 connecting bolts, 19 axle housings, 20 Oil seal cover, 21 axle tubes, 22 Hall wheel speed sensors, 23 reversings, parking brake, 24 jump rings, 25 output input connecting plates, 26 locking nuts, 27 brake discs, 28 double wedges.
Specific embodiment
As Figure 1-3.According to a kind of energy-efficient vehicle brake unit of the present invention, including semiaxis 14, it is set in semiaxis On axle tube 21, vehicle transmission gear, decelerator and spring assembly, described vehicle transmission gear includes braking electromagnetic wire Circle, discharges solenoid, and gearshift, return spring, described spring assembly includes input ratchet and output ratchet, its feature It is:Also include power section, input/output section and appendage,
Described power section include brake rim 7, be sleeved on successively the front oil seal seat 12 on axle tube 21, fore bearing 10 and after Bearing 9, brake rim 7 is bearing on fore bearing 10 and rear bearing 9, and Front oil seal 11 is two, installed in fore bearing 10, front oil seal seat Between 12 and brake rim 7, fixed with jump ring before Front oil seal 11, be provided with before front oil seal seat 12 fore bearing packing ring 13 and Locking nut 26, the middle part of brake rim 7 is brake disc 27, and the rear portion of its brake disc 27 is provided with double wedge 28, in the front portion of brake disc 27 The tire bolt hole 8 for connecting tire is provided with, the front end of brake rim 7 is fixedly connected by bolt with semiaxis 14, after brake rim 7 End is provided with power teeth 16;
Described output importation is input into connecting plate 25 including exporting, power transmission shaft 1, transmission shaft bearing 3, output input gear 4, Oil seal cover 20 and output input gear fixing bolt 5, described output input connecting plate 25 is sleeved on axle tube 21, and is led to Cross connecting bolt 18 to be fixedly connected with axle housing 19, described transmission shaft bearing 3 is arranged on output input connecting plate 25, described Power transmission shaft 1 is bearing on transmission shaft bearing 3 through output input connecting plate 25, and the He of oil seal cover 20 is set with power transmission shaft 1 Oil sealing 2, described oil seal cover 20 is input into connecting plate 25 and is fixedly connected by bolt and output, the front end key of power transmission shaft 1 with it is defeated Go out input gear 4 to connect, described output input gear 4 is engaged with power teeth 16, be provided with flat in the front end of output input gear 4 Pad and output input gear fixing bolt 5, in the rear end of described axle tube 21 axle housing 19 is set with, and described axle housing 19 leads to Cross bolt 18 to be fixedly connected with output input connecting plate 25, on front side of described output input connecting plate 25 end protecgulum is provided with 6, described one end of protecgulum 6 is fixedly connected by bolt with output input connecting plate 25, and the other end passes through brake rim outer oil seal 15 It is abutted against with brake rim 7.
Described appendage include be arranged on output input connecting plate 25 on brake rim middle part brake disc 27 on it is convex The relative Hall wheel speed sensors 22 of tooth 28 and forward extending out and the edge of brake disc 27 on output input connecting plate 25 Corresponding reversing, parking brake 23.Because during braking, inertia force reach, the brake force of front-wheel should be strengthened, and speed is faster Brake force increase should be more, and the effect of Hall wheel speed sensors 22 is to perceive vehicle wheel rotational speed.
The course of work and principle of the present invention:
During normal vehicle operation, brake rim 7 and power teeth 16 rotate together with the tire of vehicle on rear bearing 9, fore bearing 10, Power teeth 16 drives output input tooth 4, power transmission shaft 1 also to rotate, but without load.When braking is needed, driver is to vehicle On actuating device brake solenoid be powered, brake solenoid drive gearshift(Shift fork and synchronizer sleeve)Even Braking gear gear and reducer gear are connect, decelerator is started working, the power of decelerator work is the power teeth 16 of brake rim 7, Decelerator is connected with spring assembly, and decelerator work is deformed spring, and camber of spring makes the resistance increase that decelerator is rotated, Rotating speed is slack-off, and the power teeth 16 and the rotating speed of brake rim 7 of coupled power section is slack-off, and Vehicle Speed slows down, until Stop.End of braking, in the presence of return spring, gearshift self-return, vehicle running speed-reduction or parking, bullet during braking Spring stores the energy of braking.
When release storage braking energy in the spring is needed, driver is to the release electromagnetic wire in actuating device on car Circle is powered, and solenoid drives release gearshift and combines release gear, stores the direct Jing transmissions of braking energy in the spring Axle 1 reaches output input tooth 4 and power teeth 16 and promotes vehicle to advance, and release terminates, solenoid power-off, in return spring Under effect, gearshift return is discharged, vehicle continues to travel.
There is two pairs of ratchets and ratchet can only enter between decelerator and spring in spring assembly, it is impossible to go out, in spring Can only go out between power transmission shaft can not enter.
Knowable to during braking and release more than, the friction for no longer needing tire and ground is braked and discharged.
The present invention is applied to braking during automobile etc. advances, and reversing braking relies on brake disc device, is particularly suited for fire Car, preferably make use of the inertia force of vehicle.

Claims (2)

1. a kind of energy-efficient vehicle brake unit, including semiaxis, the axle tube being set on car semiaxis, vehicle transmission gear, Decelerator and spring assembly, described vehicle transmission gear includes brake solenoid, discharges solenoid, and gearshift is returned Position spring, described spring assembly includes input ratchet and output ratchet, it is characterised in that:Also include power section, be input into defeated Go out part and appendage,
Described power section includes brake rim, and front oil seal seat on axle tube, fore bearing and rear bearing are sleeved on successively, stops Car drum is bearing on fore bearing and rear bearing, and Front oil seal is two, front between fore bearing, front oil seal seat and brake rim Fixed with jump ring before oil sealing, fore bearing packing ring and locking nut are provided with before front oil seal seat, brake rim middle part is to stop Hull, the rear portion of its brake disc is provided with double wedge, and the tire bolt hole for connecting tire, brake rim are provided with before brake disc Front end be fixedly connected with semiaxis by bolt, brake rim rear end is provided with power teeth;
Described output importation includes output input connecting plate, power transmission shaft, transmission shaft bearing, output input gear, oil sealing Lid and output input gear fixing bolt, described output input connecting plate is sleeved on axle tube, and by connecting bolt It is fixedly connected with axle housing, described transmission shaft bearing is arranged on output input connecting plate, and described power transmission shaft is defeated through output Enter connecting plate to be bearing on transmission shaft bearing, and oil seal cover and oil sealing are set with power transmission shaft, described oil seal cover passes through spiral shell Bolt is fixedly connected with output input connecting plate, and the front end key of power transmission shaft is connected with output input gear, described output input Gear is engaged with power teeth, plain cushion and output input drive gear fixing bolt is provided with the front end of output input gear, in institute The rear end of the axle tube stated is set with axle housing, and described axle housing is fixedly connected by bolt with output input connecting plate, in institute Protecgulum is provided with front side of the output input connecting plate end stated, described protecgulum one end is consolidated by bolt with output input connecting plate Fixed connection, the other end is abutted against by brake rim outer oil seal and brake rim.
2. energy-efficient vehicle brake unit according to claim 1, it is characterised in that described appendage includes installing The Hall wheel speed sensors corresponding with the double wedge on brake disc in the middle part of brake rim and installed in defeated on output input connecting plate Go out forward extending out of being input on connecting plate reversing, the parking brake relative with brake plate edge.
CN201611137738.8A 2016-12-12 2016-12-12 Energy-efficient vehicle brake apparatus Active CN106585370B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611137738.8A CN106585370B (en) 2016-12-12 2016-12-12 Energy-efficient vehicle brake apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611137738.8A CN106585370B (en) 2016-12-12 2016-12-12 Energy-efficient vehicle brake apparatus

Publications (2)

Publication Number Publication Date
CN106585370A true CN106585370A (en) 2017-04-26
CN106585370B CN106585370B (en) 2019-02-19

Family

ID=58599207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611137738.8A Active CN106585370B (en) 2016-12-12 2016-12-12 Energy-efficient vehicle brake apparatus

Country Status (1)

Country Link
CN (1) CN106585370B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109591791A (en) * 2019-01-14 2019-04-09 王刚 Energy-efficient vehicle brake apparatus
CN111022527A (en) * 2020-01-09 2020-04-17 三门星凯智能科技有限公司 Novel train speed reducer
CN112762110A (en) * 2021-02-02 2021-05-07 北京理工大学 Radial clamp tooth type brake

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192959A (en) * 1986-07-23 1988-01-27 Trailor Sa Wheel hub and drum brake assembly for vehicles
US20060170184A1 (en) * 2005-01-11 2006-08-03 Link Treasure Limited Electromagnetic brake device for children's vehicle
CN204383437U (en) * 2015-01-06 2015-06-10 重庆电讯职业学院 Automobile brake generating and energy storage device
CN105109470A (en) * 2015-08-15 2015-12-02 王刚 Energy-saving vehicle brake device
CN106004820A (en) * 2016-06-24 2016-10-12 西南交通大学 Automobile braking energy recovering and reusing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192959A (en) * 1986-07-23 1988-01-27 Trailor Sa Wheel hub and drum brake assembly for vehicles
US20060170184A1 (en) * 2005-01-11 2006-08-03 Link Treasure Limited Electromagnetic brake device for children's vehicle
CN204383437U (en) * 2015-01-06 2015-06-10 重庆电讯职业学院 Automobile brake generating and energy storage device
CN105109470A (en) * 2015-08-15 2015-12-02 王刚 Energy-saving vehicle brake device
CN106004820A (en) * 2016-06-24 2016-10-12 西南交通大学 Automobile braking energy recovering and reusing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109591791A (en) * 2019-01-14 2019-04-09 王刚 Energy-efficient vehicle brake apparatus
CN111022527A (en) * 2020-01-09 2020-04-17 三门星凯智能科技有限公司 Novel train speed reducer
CN112762110A (en) * 2021-02-02 2021-05-07 北京理工大学 Radial clamp tooth type brake

Also Published As

Publication number Publication date
CN106585370B (en) 2019-02-19

Similar Documents

Publication Publication Date Title
CN106195161B (en) Single ring gear is with the fast pure power-driven power system of pivoted arm two
JP3520228B2 (en) Automobiles and power transmission devices for automobiles
CN101985300B (en) Torque control method capable of preventing driving wheels from slipping
CN106585370A (en) Energy-saving vehicle braking device
CN106143438B (en) A kind of energy-efficient vehicle brake apparatus and method
CN105864390A (en) Wheel-side differential lock axle
US20100026085A1 (en) Brake system for automotive vehicles
CA2615260A1 (en) Limited slip differential for electric vehicle
CN202193067U (en) Service brake device for tractor front wheels
CN205937669U (en) Single ring gear is with two fast pure electric power system of rotating arm type
CN201856753U (en) Transmission and braking device for automobile
CN202006785U (en) Power-driven intelligent braking system
CN203047225U (en) Vehicle tail girder steel rubber barb emergency brake device
CN202225691U (en) Tractor front driving device with disc type brake
CN205663847U (en) Wheel limit differential lock axle
CN109591791B (en) Energy-saving vehicle brake device
CN102359517B (en) Automobile shaft lever wedge extrusion emergency brake bag
CN104613111B (en) Energy-efficient vehicle brake apparatus
CN100526127C (en) Mutual-inverse type automobile central brake
JP2009023568A5 (en)
CN201685809U (en) Middle brake system between vehicle axles
CN204415044U (en) A kind of harvest machinery rear steering drive axle of braking device
CN210733832U (en) High-strength corrosion-resistant electric automobile rear axle
CN214267350U (en) Rear axle assembly for electric muck truck
CN111605520A (en) Gear-driven reverse wheel emergency braking device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant