CN103879396A - Permanent magnetism servo electric brake device for truck - Google Patents
Permanent magnetism servo electric brake device for truck Download PDFInfo
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- CN103879396A CN103879396A CN201410105467.2A CN201410105467A CN103879396A CN 103879396 A CN103879396 A CN 103879396A CN 201410105467 A CN201410105467 A CN 201410105467A CN 103879396 A CN103879396 A CN 103879396A
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Abstract
The invention discloses a permanent magnetism servo electric brake device for a truck. The permanent magnetism servo electric brake device comprises four electric brakes and corresponding air chamber supports, the electric brakes are fixed to the air chamber supports, U-type forks at the output ends of the electric brakes are connected with one ends of brake cam shafts, the other ends of the brake cam shafts and brake cam mechanisms are fixed, cam pairs are arranged between the brake cam mechanisms and brake shoe sheets, and the brake shoe sheets are hinged to wheel hubs. After the electric brakes are powered on, rotors drive nut sleeves to rotate, threaded rods perform the transverse motion in the axial direction to push the brake cam shafts of the truck to rotate, and the brake shoe sheets are outwards stretched to carry out braking; servo control over the brake device is achieved through output signals of a rotary transformer. The permanent magnetism servo electric brake device is simple in structure, motors and threaded mechanisms are integrated, electric power serves as energy, the brake efficiency is high, the reliability is high, meanwhile, the defect that a traditional hydraulic and air pressure brake pipe is complex in arrangement is overcome, and accurate ABS control over the brake process of the truck is achieved.
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 travelling, to make the speed of a motor vehicle of the automobile of descent run keep stable and make the automobile of stagnation of movement (comprise on the slope) resident motionless mechanism in original place.Along with developing rapidly and the raising of the speed of a motor vehicle and the increase day by day of vehicle density of express highway, in order to guarantee traffic safety, the functional reliability of brake device for car seems and becomes more and more important.Only guaranteed 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 brake system fault causes, thereby 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 that need to brake start, finally converts straight-line motion to 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, piping layout complexity, and easily appearance, simultaneously can not be along with the change flexible arrangement brake equipment on vehicle chassis because leaking the brake fault causing.
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, improve the stability of automobile brake, can realize the flexible arrangement of high brake efficiency and brake equipment 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, 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 ends and brake shoe expander mechanism 5 are fixing, between brake shoe expander mechanism 5 and brake strap 4, be cam pair, 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; On permanent magnet machine rotor 1-10, be inlaid with magnet steel 1-13; It is upper that nut sleeve 1-6 one end is bearing in 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 magslip 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 are threaded connection; Screw rod 1-7 two ends are processed with plane, have through hole in plane, 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 circumferentially rotate along bearing pin 1-21, 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.
Described nut sleeve 1-6 central inner hole two ends are processed with screw thread, and remainder internal diameter is larger than two ends internal diameter, and when screw rod 1-7 screws in after 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 entirety is hollow cylindrical structure, and inner side is connected with nut sleeve 1-6 by flat key 1-14, and outer surface is pasted 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 that are arranged symmetrically with, for dynamo-electric brake 1 is fixed on to 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 transmits by cable, arrangement form is flexible, has overcome the shortcoming of traditional braking system hydraulic pressure (air pressure) piping layout complexity.The output signal of the magslip by rear end of the present invention can be realized the servocontrol to electrical braking device, accurately controls the power output of brake equipment, controls thereby obtain accurate ABS.
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.
The specific embodiment
With reference to the accompanying drawings the present invention is done to detailed explaination.
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; 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, and brake camshaft 3 other ends and brake shoe expander mechanism 5 are fixing; Between brake shoe expander mechanism 5 and brake strap 4, be cam pair, 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 by anaerobic adhesive 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; On permanent magnet machine rotor 1-10, be inlaid with the magnet steel 1-13 of some; It is upper that nut sleeve 1-6 one end is bearing in 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 six tie bolt 1-11 that are evenly arranged; Nut sleeve 1-6 afterbody has outside thread, and magslip 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 are threaded connection; Screw rod 1-7 two ends are processed with plane, have through hole in plane, 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 circumferentially rotate along bearing pin 1-21, 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.
Described nut sleeve 1-6 central inner hole two ends are processed with screw thread, and remainder internal diameter is slightly larger than two ends internal diameter, and when screw rod 1-7 screws in after nut sleeve 1-6, the two is threaded connection; Outside nut sleeve 1-6, afterbody is processed with screw thread, for the fixing magslip rotor 1-8 of 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 entirety is hollow cylindrical structure, and inner side is connected with nut sleeve 1-6 by flat key 1-14, and outer surface is pasted neodymium iron boron (NdFeB) magnetic tile.
Described screw rod 7 surface working have screw thread, and two ends are processed with platform, are processed with the pin shaft hole for connecting U-shaped fork 1-19 on platform.
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 that are arranged symmetrically with, for dynamo-electric brake 1 is fixed on to 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 working process is: when after permanent magnet motor stator 1-15 energising, owing to there being magnet steel 1-13 on permanent magnet machine rotor 1-10, under magnetic field force effect, 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, in the process of therefore rotating at nut sleeve 1-6, screw rod 1-7 is by the displacement (translation) producing vertically; Screw rod 1-7 is connected with brake camshaft 3 with push rod 1-20 by U-shaped fork 1-19, and in the time that screw rod 1-7 produces thrust, thrust will rotate brake camshaft 3 by U-shaped fork 1-19 in certain angle; The rotation of brake camshaft 3 outwards opens brake strap 4 by brake shoe expander mechanism 5, thereby makes wheel braking.
Claims (6)
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 fixing, between brake shoe expander mechanism (5) and brake strap (4), it is cam pair, brake strap (4) is hinged on wheel hub (6).
2. a kind of lorry permanent magnetic servo electrical braking device according to claim 1, it is characterized in that: 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); It is upper that nut sleeve (1-6) one end is bearing in 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 magslip 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) is threaded connection with nut sleeve (1-6); Screw rod (1-7) two ends are processed with plane, have through hole in plane, 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 circumferentially rotate along bearing pin (1-21), 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).
3. a kind of lorry permanent magnetic servo electrical braking device according to claim 2, it is characterized in that: described nut sleeve (1-6) central inner hole two ends are processed with screw thread, remainder internal diameter is larger than two ends internal diameter, when screw rod (1-7) screws in after nut sleeve (1-6), the two is threaded connection.
4. a kind of lorry permanent magnetic servo electrical braking device according to claim 2, 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.
5. a kind of lorry permanent magnetic servo electrical braking device according to claim 2, it is characterized in that: described permanent magnet machine rotor (1-10) adopts electrical pure iron to process, entirety is hollow cylindrical structure, inner side is connected with nut sleeve (1-6) by flat key (1-14), and outer surface is pasted neodymium iron boron (NdFeB) magnetic tile.
6. a kind of lorry permanent magnetic servo electrical braking device according to claim 2, 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 that are arranged symmetrically with, for dynamo-electric brake (1) is fixed on to 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103879396A true CN103879396A (en) | 2014-06-25 |
| CN103879396B CN103879396B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Country | Link |
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| CN (1) | CN103879396B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202063A (en) * | 2015-09-29 | 2015-12-30 | 西安交通大学 | Multi-motor servo direct-driven type friction clutch applicable to mechanical press |
| CN105196602A (en) * | 2015-09-29 | 2015-12-30 | 西安交通大学 | Multi-motor servo direct-driven type friction brake applicable to mechanical press |
| CN110492702A (en) * | 2019-08-16 | 2019-11-22 | 江西森阳科技股份有限公司 | A kind of convex type p-m rotor process equipment of rare-earth permanent-magnet synchronous motor |
| US20210253073A1 (en) * | 2020-02-17 | 2021-08-19 | Hyundai Mobis Co., Ltd. | Electromechanical braking apparatus |
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| 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 |
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2014
- 2014-03-20 CN CN201410105467.2A patent/CN103879396B/en not_active Expired - Fee Related
Patent Citations (7)
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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 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202063A (en) * | 2015-09-29 | 2015-12-30 | 西安交通大学 | Multi-motor servo direct-driven type friction clutch applicable to mechanical press |
| CN105196602A (en) * | 2015-09-29 | 2015-12-30 | 西安交通大学 | Multi-motor servo direct-driven type friction brake applicable to mechanical press |
| 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 |
| CN110492702A (en) * | 2019-08-16 | 2019-11-22 | 江西森阳科技股份有限公司 | A kind of convex type p-m rotor process equipment of rare-earth permanent-magnet synchronous motor |
| 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 |
| US20210253073A1 (en) * | 2020-02-17 | 2021-08-19 | Hyundai Mobis Co., Ltd. | Electromechanical braking apparatus |
| US11760326B2 (en) * | 2020-02-17 | 2023-09-19 | Hyundai Mobis Co., Ltd. | Electromechanical braking apparatus |
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| Publication number | Publication date |
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| CN103879396B (en) | 2016-01-20 |
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Granted publication date: 20160120 Termination date: 20190320 |