CN103879396B - A kind of lorry permanent magnetic servo electrical braking device - Google Patents
A kind of lorry permanent magnetic servo electrical braking device Download PDFInfo
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- CN103879396B CN103879396B CN201410105467.2A CN201410105467A CN103879396B CN 103879396 B CN103879396 B CN 103879396B CN 201410105467 A CN201410105467 A CN 201410105467A CN 103879396 B CN103879396 B CN 103879396B
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- nut sleeve
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Abstract
A kind of lorry permanent magnetic servo electrical braking device, comprise four dynamo-electric brakes and corresponding air chamber support, dynamo-electric brake is fixed on air chamber support, the U-shaped fork of dynamo-electric brake mouth is connected with brake camshaft one end, the brake camshaft other end and brake shoe expander mechanism are fixed, be that cam is secondary between brake shoe expander mechanism and brake strap, brake strap is hinged on wheel hub, after dynamo-electric brake energising, rotor drives nut sleeve to rotate, screw rod will produce translation vertically, propelling vehicle brake camshaft rotates, brake strap is outwards opened, brake, the servocontrol to brake equipment is realized by the output signal of magslip, structure of the present invention is simple, motor and thread mechanism integrated, by electric power as the energy, brake efficiency is high, reliability is high, overcomes the shortcoming of conventional hydraulic compression air brake piping layout complexity simultaneously, realizes the accurate ABS(braking anti-lock to Motor Vehicle Braking Procedure) control.
Description
Technical field
The invention belongs to automobile brake technical field, be specifically related to a kind of lorry permanent magnetic servo electrical braking device.
Background technology
Brake device for car is in order to force car deceleration or parking in traveling, to make the speed of a motor vehicle of the automobile of descent run keep stable and make the automobile of stagnation of movement in the resident motionless mechanism in original place (comprising on the slope).Along with the increase day by day developed rapidly with the raising of the speed of a motor vehicle and vehicle density of express highway, in order to ensure traffic safety, the functional reliability of brake device for car seems and becomes more and more important.Only ensure that automobile has good, stable deceleration and stopping performance, just can give full play of the tractive performance of automobile.In the traffic accident that China causes because of vehicle trouble every year, have more than 50% because braking system faults causes, thus ensure the safe and reliable particularly important of brake device for car.
Brake device for car generally comprises service braking device and holding brake device, existing service braking device is hydraulic-driven (or air pressure driving), by from driving engine power taking, drive Hydraulic Pump (or air pump), produce pressure medium, by pipeline, pressure medium is transported to the position needing to brake start, converts straight-line motion to finally by hydraulic actuating cylinder (or air pump).Owing to adopting hydraulic pressure or pneumatic transmission, in use, efficiency is not high for traditional braking device, and piping layout is complicated, easily occurs because leaking the brake fault caused, simultaneously can not along with the change flexible arrangement brake equipment on vehicle chassis.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of lorry permanent magnetic servo electrical braking device, improving the stability of automobile brake, the flexible arrangement of high brake efficiency and brake equipment can be realized simultaneously.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of lorry permanent magnetic servo electrical braking device, comprise four dynamo-electric brakes 1 and corresponding air chamber support 2, dynamo-electric brake 1 is fixed on air chamber support 2, air chamber support 2 is fixed in vehicle bridge 7, dynamo-electric brake 1 mouth U-shaped fork 1-19 is connected with brake camshaft 3 one end, brake camshaft 3 is bearing in vehicle bridge 7 by bearing, brake camshaft 3 other end and brake shoe expander mechanism 5 are fixed, be that cam is secondary between brake shoe expander mechanism 5 and brake strap 4, brake strap 4 is hinged on wheel hub 6.
Described dynamo-electric brake 1 comprises permanent magnet motor stator 1-15, and permanent magnet motor stator 1-15 is fixed on the inner ring boss of motor housing 1-12, and permanent magnet machine rotor 1-10 is fixed on nut sleeve 1-6 by front side bearing 1-16, rear end bearing 1-2 and flat key 1-14; Permanent magnet machine rotor 1-10 is inlaid with magnet steel 1-13; Nut sleeve 1-6 one end is bearing on front end cover 1-17 by front side bearing 1-16, and the other end is bearing on rear side housing 1-1 by rear end bearing 1-2;
Rear end dust ring 1-4 is arranged on inside rear side housing 1-1, and front end dust ring 1-18 is arranged on inside front end cover 1-17; Front end cover 1-17, rear side housing 1-1, motor housing 1-12 are fixed together by tie bolt 1-11; Nut sleeve 1-6 afterbody has outside thread, and rotary transformer rotor 1-8 is fixed on nut sleeve 1-6 by two circular nut 1-5; Magslip stator 1-9 is fixed on rear side housing 1-1 by snap ring 1-3; There is screw thread the both sides of nut sleeve 1-6 endoporus, and screw rod 1-7 and nut sleeve 1-6 is threaded connection; Screw rod 1-7 two ends are processed with plane, and plane has through hole, for connecting U-shaped fork 1-19 and manual regulation screw position;
U-shaped fork 1-19 is connected with screw rod 1-7 by bearing pin 1-21, can rotate along bearing pin 1-21 circumference, there is screw thread at push rod 1-20 two ends, U-shapedly with two respectively pitch being threaded of 1-19 endoporus, after U-shaped fork 1-19 is connected with brake camshaft 3, screw rod 1-7 can not rotate, after motor stator 1-15 is energized, under magnetic fields, permanent magnet machine rotor 1-10 will drive nut sleeve 1-6 to rotate, owing to being threaded connection between nut sleeve 1-6 and screw rod 1-7, therefore screw rod 1-7 will do translation, and then realize the rotation to brake camshaft 3 by U-shaped fork 1-19 and push rod 1-20.
Described nut sleeve 1-6 central bore two ends are processed with screw thread, and remainder internal diameter is larger than two ends internal diameter, and after screw rod 1-7 screws in nut sleeve 1-6, the two is threaded connection.
Described motor housing 1-12 adopts aluminium to process, and inner side is processed with the boss for fixing permanent magnet motor stator 1-15, and outside has for the through hole through cable.
Described permanent magnet machine rotor 1-10 adopts electrical pure iron to process, and overall in hollow cylindrical structure, inner side is connected with nut sleeve 1-6 by flat key 1-14, and outer surface pastes neodymium iron boron (NdFeB) magnetic tile.
Described front end cover 1-17 outer ring has six uniform through holes, for tie bolt 11, front end cover 1-17, rear side housing 1-1 and shell 1-12 are fixed, inner ring has two screw holes be arranged symmetrically with, for dynamo-electric brake 1 is fixed on air chamber support 2, or adopt two double end studs to screw in screw hole, then by nut, brake equipment is fixed on air chamber support 2.
The present invention is a kind of electromechanical integrated device of compact conformation, by absorbing electric energy from Vehicular accumulator cell, be translated into mechanical energy, electric energy is transmitted by cable, arrangement form is flexible, overcomes the shortcoming of Conventional braking systems hydraulic pressure (air pressure) piping layout complexity.The servocontrol to electrical braking device can be realized by the output signal of the magslip of rear end of the present invention, accurately control the power output of brake equipment, thus obtain accurate ABS and control.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is dynamo-electric brake 1 structural representation of the present invention.
Fig. 3 is that the present invention and accessory module thereof connect schematic block diagram.
Detailed description of the invention
With reference to the accompanying drawings detailed explaination is done to the present invention.
See figures.1.and.2, a kind of lorry permanent magnetic servo electrical braking device, comprise four dynamo-electric brakes 1 and corresponding air chamber support 2, brake camshaft 3, brake strap 4, brake shoe expander mechanism 5, wheel hub 6 and vehicle bridge 7, dynamo-electric brake 1 is bolted on air chamber support 2, and air chamber support 2 is fixed in vehicle bridge 7; Dynamo-electric brake 1 mouth U-shaped fork 1-19 is connected with brake camshaft 3 one end; Brake camshaft 3 is bearing in vehicle bridge 7 by bearing, and brake camshaft 3 other end and brake shoe expander mechanism 5 are fixed; Be that cam is secondary between brake shoe expander mechanism 5 and brake strap 4, brake strap 4 is hinged on wheel hub 6.
With reference to Fig. 2, described dynamo-electric brake 1 comprises permanent magnet motor stator 1-15, permanent magnet motor stator 1-15 is fixed on the inner ring boss of motor housing 1-12 by anaerobic adhesive, and permanent magnet machine rotor 1-10 is fixed on nut sleeve 1-6 by front side bearing 1-16, rear end bearing 1-2 and flat key 1-14; Permanent magnet machine rotor 1-10 is inlaid with the magnet steel 1-13 of some; Nut sleeve 1-6 one end is bearing on front end cover 1-17 by front side bearing 1-16, and the other end is bearing on rear side housing 1-1 by rear end bearing 1-2;
Rear end dust ring 1-4 is arranged on inside rear side housing 1-1, and front end dust ring 1-18 is arranged on inside front end cover 1-17; Front end cover 1-17, rear side housing 1-1, motor housing 1-12 are fixed together by the tie bolt 1-11 that six are evenly arranged; Nut sleeve 1-6 afterbody has outside thread, and rotary transformer rotor 1-8 is fixed on nut sleeve 1-6 by two circular nut 1-5; Magslip stator 1-9 is fixed on rear side housing 1-1 by snap ring 1-3; There is screw thread the both sides of nut sleeve 1-6 endoporus, and screw rod 1-7 and nut sleeve 1-6 is threaded connection; Screw rod 1-7 two ends are processed with plane, and plane has through hole, for connecting U-shaped fork 1-19 and manual regulation screw rod 1-7 position;
U-shaped fork 1-19 is connected with screw rod 1-7 by bearing pin 1-21, can rotate along bearing pin 1-21 circumference, there is screw thread at push rod 1-20 two ends, U-shapedly with two respectively pitch being threaded of 1-19 endoporus, after U-shaped fork 1-19 is connected with brake camshaft 3, screw rod 1-7 can not rotate, after motor stator 1-15 is energized, under magnetic fields, permanent magnet machine rotor 1-10 will drive nut sleeve 1-6 to rotate, owing to being threaded connection between nut sleeve 1-6 and screw rod 1-7, therefore screw rod 1-7 will do translation, and then realize the rotation to brake camshaft 3 by U-shaped fork 1-19 and push rod 1-20.
Described nut sleeve 1-6 central bore two ends are processed with screw thread, and remainder internal diameter is slightly larger than two ends internal diameter, and after screw rod 1-7 screws in nut sleeve 1-6, the two is threaded connection; Outside nut sleeve 1-6, afterbody is processed with screw thread, fixes rotary transformer rotor 1-8 for circular nut 1-5.
Described motor housing 1-12 adopts aluminium to process, and inner side is processed with the boss for fixing permanent magnet motor stator 1-15, and outside has for the entrance hole through cable.
Described permanent magnet machine rotor 1-10 adopts electrical pure iron to process, and overall in hollow cylindrical structure, inner side is connected with nut sleeve 1-6 by flat key 1-14, and outer surface pastes neodymium iron boron (NdFeB) magnetic tile.
Described screw rod 7 surface working has screw thread, and two ends are processed with platform, platform is processed with the pin shaft hole for connecting U-shaped fork 1-19.
Described front end cover 1-17 outer ring has six uniform through holes, for tie bolt 11, front end cover 1-17, rear side housing 1-1 and shell 1-12 are fixed, inner ring has two screw holes be arranged symmetrically with, for dynamo-electric brake 1 is fixed on air chamber support 2, or adopt two double end studs to screw in screw hole, then by nut, brake equipment is fixed on air chamber support 2.
Principle of work of the present invention is:
With reference to Fig. 3, dynamo-electric brake 1 of the present invention is connected with servo-driver by cable, and servo-driver is connected with power inverter, and power inverter is connected with storage battery again; Servo-driver is connected with abs controller by light current, realizes abs braking control for controlling dynamo-electric brake 1.
Its braking operation process is: after permanent magnet motor stator 1-15 is energized, due to permanent magnet machine rotor 1-10 having magnet steel 1-13, under magnetic field force effect, and permanent magnet machine rotor 1-10 drives nut sleeve 1-6 to rotate by flat key 1-14; Screw rod 1-7 front end is connected with brake camshaft 3 with push rod 1-20 by U-shaped fork 1-19, limit the rotation of screw rod 1-7, owing to being threaded connection between nut sleeve 1-6 and screw rod 1-7, nut sleeve 1-6 can only rotate can not translation, screw rod 1-7 can only can not rotate in translation, therefore, in the process of nut sleeve 1-6 rotation, screw rod 1-7 will produce displacement (translation) vertically; Screw rod 1-7 is connected with brake camshaft 3 with push rod 1-20 by U-shaped fork 1-19, and when screw rod 1-7 produces thrust, thrust will make brake camshaft 3 rotate in certain angle by U-shaped fork 1-19; The brake shoe expander mechanism 5 that rotates through of brake camshaft 3 makes brake strap 4 outwards open, thus makes wheel braking.
Claims (5)
1. a lorry permanent magnetic servo electrical braking device, comprise four dynamo-electric brakes (1) and corresponding air chamber support (2), it is characterized in that: dynamo-electric brake (1) is fixed on air chamber support (2), air chamber support (2) is fixed in vehicle bridge (7), the U-shaped fork of dynamo-electric brake (1) mouth (1-19) is connected with brake camshaft (3) one end, brake camshaft (3) is bearing in vehicle bridge (7) by bearing, brake camshaft (3) other end and brake shoe expander mechanism (5) are fixed, be that cam is secondary between brake shoe expander mechanism (5) and brake strap (4), brake strap (4) is hinged on wheel hub (6),
Described dynamo-electric brake (1) comprises permanent magnet motor stator (1-15), permanent magnet motor stator (1-15) is fixed on the inner ring boss of motor housing (1-12), and permanent magnet machine rotor (1-10) is fixed in nut sleeve (1-6) by front side bearing (1-16), rear end bearing (1-2) and flat key (1-14); Nut sleeve (1-6) one end is bearing on front end cover (1-17) by front side bearing (1-16), and the other end is bearing on rear side housing (1-1) by rear end bearing (1-2);
Rear end dust ring (1-4) is arranged on rear side housing (1-1) inner side, and front end dust ring (1-18) is arranged on front end cover (1-17) inner side; Front end cover (1-17), rear side housing (1-1), motor housing (1-12) are fixed together by tie bolt (1-11); Nut sleeve (1-6) afterbody has outside thread, and rotary transformer rotor (1-8) is fixed in nut sleeve (1-6) by two circular nuts (1-5); Magslip stator (1-9) is fixed on rear side housing (1-1) by snap ring (1-3); There is screw thread the both sides of nut sleeve (1-6) endoporus, and screw rod (1-7) and nut sleeve (1-6) are threaded connection; Screw rod (1-7) two ends are processed with plane, and plane has through hole, for connecting U-shaped fork (1-19) and manual regulation screw position;
U-shaped fork (1-19) is connected with screw rod (1-7) by bearing pin (1-21), can rotate along bearing pin (1-21) circumference, there is screw thread at push rod (1-20) two ends, respectively with being threaded of two U-shaped fork (1-19) endoporus, after U-shaped fork (1-19) is connected with brake camshaft (3), screw rod (1-7) can not rotate, when after motor stator (1-15) energising, under magnetic fields, permanent magnet machine rotor (1-10) will drive nut sleeve (1-6) to rotate, owing to being threaded connection between nut sleeve (1-6) and screw rod (1-7), therefore screw rod (1-7) will do translation, and then realize the rotation to brake camshaft (3) by U-shaped fork (1-19) and push rod (1-20).
2. a kind of lorry permanent magnetic servo electrical braking device according to claim 1, it is characterized in that: described nut sleeve (1-6) central bore two ends are processed with screw thread, remainder internal diameter is larger than two ends internal diameter, after screw rod (1-7) screws in nut sleeve (1-6), the two is threaded connection.
3. a kind of lorry permanent magnetic servo electrical braking device according to claim 1, it is characterized in that: described motor housing (1-12) adopts aluminium to process, inner side is processed with the boss for fixing permanent magnet motor stator (1-15), and outside has for the through hole through cable.
4. a kind of lorry permanent magnetic servo electrical braking device according to claim 1, it is characterized in that: described permanent magnet machine rotor (1-10) adopts electrical pure iron to process, overall in hollow cylindrical structure, inner side is connected with nut sleeve (1-6) by flat key (1-14), and outer surface pastes neodymium iron boron (NdFeB) magnetic tile.
5. a kind of lorry permanent magnetic servo electrical braking device according to claim 1, it is characterized in that: described front end cover (1-17) outer ring has six uniform through holes, for tie bolt (1-11), front end cover (1-17), rear side housing (1-1) and shell (1-12) is fixing, inner ring has two screw holes be arranged symmetrically with, for dynamo-electric brake (1) is fixed on air chamber support (2), or adopt two double end studs to screw in screw hole, then by nut, brake equipment is fixed on air chamber support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105467.2A CN103879396B (en) | 2014-03-20 | 2014-03-20 | A kind of lorry permanent magnetic servo electrical braking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410105467.2A CN103879396B (en) | 2014-03-20 | 2014-03-20 | A kind of lorry permanent magnetic servo electrical braking device |
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| Publication Number | Publication Date |
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| CN103879396A CN103879396A (en) | 2014-06-25 |
| CN103879396B true CN103879396B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410105467.2A Expired - Fee Related CN103879396B (en) | 2014-03-20 | 2014-03-20 | A kind of lorry permanent magnetic servo electrical braking device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202063B (en) * | 2015-09-29 | 2017-11-03 | 西安交通大学 | A kind of many motor servo direct-drive type friction clutches suitable for punching machine |
| CN105196602B (en) * | 2015-09-29 | 2017-07-14 | 西安交通大学 | A kind of many motor servo direct-drive type friction brakes suitable for punching machine |
| CN110492702B (en) * | 2019-08-16 | 2024-04-09 | 江西森阳科技股份有限公司 | Protruding permanent magnet rotor processing equipment of rare earth permanent magnet synchronous motor |
| KR20210104306A (en) * | 2020-02-17 | 2021-08-25 | 현대모비스 주식회사 | Electromechanical Braking Device |
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|---|---|---|---|---|
| CN1038865A (en) * | 1988-04-19 | 1990-01-17 | 联合讯号公司 | Electrically operated drum brake |
| EP0372219A2 (en) * | 1988-12-02 | 1990-06-13 | Robert Bosch Gmbh | Wheel brake for vehicle |
| CN1043476A (en) * | 1988-12-15 | 1990-07-04 | 联合信号股份有限公司 | Electric actuated brake system |
| US5305857A (en) * | 1993-02-08 | 1994-04-26 | Smith Terry L | Trailer brake set apparatus |
| WO1999026828A1 (en) * | 1997-11-20 | 1999-06-03 | Continental Teves Ag & Co. Ohg | Parking brake with electromechanical control for motor vehicles |
| CN1434903A (en) * | 1999-12-23 | 2003-08-06 | 丹拿公司 | Vehicle axle beam and brake assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364687A (en) * | 2001-06-07 | 2002-12-18 | Aisin Seiki Co Ltd | Electronically controlled brake device |
-
2014
- 2014-03-20 CN CN201410105467.2A patent/CN103879396B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038865A (en) * | 1988-04-19 | 1990-01-17 | 联合讯号公司 | Electrically operated drum brake |
| EP0372219A2 (en) * | 1988-12-02 | 1990-06-13 | Robert Bosch Gmbh | Wheel brake for vehicle |
| CN1043476A (en) * | 1988-12-15 | 1990-07-04 | 联合信号股份有限公司 | Electric actuated brake system |
| US5305857A (en) * | 1993-02-08 | 1994-04-26 | Smith Terry L | Trailer brake set apparatus |
| WO1999026828A1 (en) * | 1997-11-20 | 1999-06-03 | Continental Teves Ag & Co. Ohg | Parking brake with electromechanical control for motor vehicles |
| CN1434903A (en) * | 1999-12-23 | 2003-08-06 | 丹拿公司 | Vehicle axle beam and brake assembly |
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| CN103879396A (en) | 2014-06-25 |
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