CN109039008B - Electric control winding type magnetic brake for vehicle - Google Patents

Electric control winding type magnetic brake for vehicle Download PDF

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Publication number
CN109039008B
CN109039008B CN201810928638.XA CN201810928638A CN109039008B CN 109039008 B CN109039008 B CN 109039008B CN 201810928638 A CN201810928638 A CN 201810928638A CN 109039008 B CN109039008 B CN 109039008B
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China
Prior art keywords
disc
copper
coil group
electric control
upper fixing
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CN201810928638.XA
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CN109039008A (en
Inventor
邵万珍
吴岳
李邵颖
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Dalian Jiaotong University
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Dalian Jiaotong University
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K49/00Dynamo-electric clutches; Dynamo-electric brakes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L7/00Electrodynamic brake systems for vehicles in general
    • B60L7/28Eddy-current braking
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

A kind of automatically controlled wire-wound type vehicle uses the magnetic brake, the copper wire is wound around the bobbin and made up the iron core coil, 6 groups of iron core coils are positioned by the tang, is confined on upper, lower fixed disks and made up the coil group of left side separately by the screw, the lower fixed disk of the coil group of left and right sides is fastened by the bolt and made up the fixed plate, the fixed plate is installed on car body shelf; the left and right copper disc seats are installed on the rotating shaft, radiating fins and copper discs are arranged on the copper disc seats, gears used for increasing the rotating speed of the axle are further installed at the shaft ends of the rotating shaft, the left and right electric control boxes are fixed on the upper fixing disc, a left coil group power supply battery and a power-on control relay are installed in the left electric control boxes, a coil group power supply is switched on, a coil group generates a magnetic field, and magnetic induction force generated when the rotating copper discs cut magnetic lines is transmitted to the axle through the gears to brake the wheel. The invention has the advantages of rapid, convenient and sensitive brake control, low manufacturing cost, larger generated brake force and short brake time.

Description

Electric control winding type magnetic brake for vehicle
Technical Field
The invention mainly relates to a magnetic brake, in particular to an electric-control-free winding type magnetic brake for a vehicle, and belongs to the technical field of magnetic transmission.
Background
The safety is the development direction of modern vehicles, the traditional friction type brake mainly generates braking torque by means of friction between friction plates, sparks generated by friction are easy to cause fire, and the magnetic brake is installed on a truck without friction generated when the friction brake brakes, so that the safety of the truck during long-time downhill braking is improved.
A magnetic brake is an auxiliary braking device, usually used in combination with a conventional friction brake, in some heavy vehicles such as: the electromagnetic brake is particularly important for trucks and buses, and generates reverse braking torque on a rotor disc by electrifying the exciting coil on the stator, so the electromagnetic brake can also be called an eddy current retarder. The electromagnetic brake is generally installed between a main speed reducer and a speed changer of a vehicle or on a transmission shaft of the vehicle, and generates braking torque to brake wheels by means of eddy current effect.
The invention mainly comprises a mechanical part and a control part, wherein the mechanical part mainly comprises a stator and a rotor. When the excitation coil of the stator part is electrified, eddy current is formed in the rotor disc, and the eddy current forms electromagnetic force opposite to the moving direction of the rotor in a magnetic field.
Disclosure of Invention
The invention provides a magnetic brake for a vehicle, which is controlled by a relay and aims to realize quick, convenient and sensitive brake control.
The technical solution of the invention is realized as follows:
a magnetic brake for an electric control winding type vehicle comprises a rotating shaft, a gear, a bearing I, a copper disc seat I, a radiating fin I, a copper disc I, an electric control box I, a mounting vehicle body hole, a bearing II, an electric control box II, a radiating fin II, an upper fixing disc II, a copper disc seat II, a copper disc II, a winding shaft II, a copper wire II, a lower fixing disc I, a copper wire I, a winding shaft I and an upper fixing disc I, and is characterized in that the copper wire I is wound on the winding shaft I to form an iron core coil; 6 groups of iron core coils are positioned by a seam allowance and are respectively fastened on the upper fixing disc I and the lower fixing disc I by screws to form a left coil group; a copper wire II is wound on the winding shaft II to form an iron core coil; 6 groups of iron core coils are positioned by a seam allowance and are respectively fastened on the upper fixing disc II and the lower fixing disc II by screws to form a right coil group; the lower fixed disc I of the left coil group and the lower fixed disc II of the right coil group are fastened by bolts to form a fixed disc, and the fixed disc is installed on a vehicle body frame by an installation vehicle body hole; the rotating shaft is supported on the upper fixing disc I and the upper fixing disc II by a bearing I and a bearing II, and a copper disc seat I and a copper disc seat II are circumferentially positioned on the rotating shaft by keys and axially positioned by a shaft shoulder and a spring collar for a shaft; the copper disc seat I is provided with a radiating fin I and a copper disc I; the copper disc seat II is provided with a radiating fin II and a copper disc II; the shaft end of the rotating shaft is also provided with a gear for increasing the rotating speed of the axle; the electric control box I is fixed on the upper fixing disc I and internally provided with a left coil group power supply battery and an electrifying control relay; the electric control box II is fixed on the upper fixing disc II and internally provided with a right coil group power supply battery and a power-on control relay; and a power supply of the coil group is switched on, the coil group generates a magnetic field, and the rotating copper disc I and the rotating copper disc II cut magnetic lines of force to generate magnetic induction force which is transmitted to an axle through the gear to brake the wheel.
Compared with the prior art, the invention has the advantages that:
1. the on-off control of the power supply is controlled by the relay to control the non-braking or braking state, so that the braking control is fast, convenient and sensitive.
2. The magnetic field is generated by electrifying the wound iron core coil, so that the manufacturing is convenient and the cost is low.
3. The left and right groups of copper discs induce stress to brake the wheels, the generated braking force is larger, and the braking time is short.
Drawings
The invention shares figure 1. Wherein:
FIG. 1 is a schematic front sectional view of the structure of the present invention.
In the figure, 1, a rotating shaft, 2, a gear, 3, a bearing I, 4, a copper disc seat I, 5, a radiating fin I, 6, a copper disc I, 7, an electric control box I, 8, an installation vehicle body hole, 9, a bearing II, 10, an electric control box II, 11, a radiating fin II, 12, an upper fixed disc II, 13, a copper disc seat II, 14, a copper disc II, 15, a winding shaft II, 16, a copper wire II, 17, a lower fixed disc II, 18, a lower fixed disc I, 19, a copper wire I, 20, a winding shaft I, 21 and an upper fixed disc I.
Detailed Description
As shown in fig. 1, the magnetic brake for the electric control winding type vehicle comprises a rotating shaft 1, a gear 2, a bearing I3, a copper disc seat I4, a radiating fin I5, a copper disc I6, an electric control box I7, a vehicle body mounting hole 8, a bearing II 9, an electric control box II 10, a radiating fin II 11, an upper fixed disc II 12, a copper disc seat II 13, a copper disc II 14, a winding shaft II 15, a copper wire II 16, a lower fixed disc II 17, a lower fixed disc I18, a copper wire I19, a winding shaft I20 and an upper fixed disc I21, and is characterized in that the copper wire I19 is wound on the winding shaft I20 to form an iron core coil; 6 groups of iron core coils are positioned by a seam allowance and are respectively fastened on the upper fixing disc I21 and the lower fixing disc I18 by screws to form a left coil group; a copper wire II 16 is wound on the winding shaft II 15 to form an iron core coil; 6 groups of iron core coils are positioned by a seam allowance and are respectively fastened on the upper fixed disc II 12 and the lower fixed disc II 17 by screws to form a right coil group; the lower fixed disc I18 of the left coil group and the lower fixed disc II 17 of the right coil group are fastened by bolts to form a fixed disc, and the fixed disc is installed on a vehicle body frame by an installation vehicle body hole 8; the rotating shaft 1 is supported on the upper fixing disc I21 and the upper fixing disc II 12 through a bearing I3 and a bearing II, and a copper disc seat I4 and a copper disc seat II 13 are arranged on the rotating shaft 1 in a circumferential positioning mode through keys and in an axial positioning mode through a shaft shoulder and a spring retainer ring for a shaft; the copper plate seat I4 is provided with a radiating fin I5 and a copper plate I6; the copper disc seat II 13 is provided with a radiating fin II 11 and a copper disc II; a gear 2 for increasing the rotating speed of the axle is also arranged at the axle end of the rotating shaft 1; the electric control box I7 is fixed on the upper fixing disc I21 and internally provided with a left coil group power supply battery and an electrifying control relay; the electric control box II 10 is fixed on the upper fixing disc II 12 and internally provided with a right coil group power supply battery and an electrifying control relay; and when a power supply of the coil group is switched on, the coil group generates a magnetic field, and the rotating copper discs I6 and II 14 cut magnetic lines of force to generate magnetic induction force which is transmitted to an axle through the gear 2 so as to brake the wheel.

Claims (1)

1. An electric control winding type magnetic brake for a vehicle comprises a rotating shaft (1), a gear (2), a bearing I (3), a copper disc seat I (4), a radiating fin I (5), a copper disc I (6), an electric control box I (7), a mounting vehicle body hole (8), a bearing II (9), an electric control box II (10), a radiating fin II (11), an upper fixing disc II (12), a copper disc seat II (13), a copper disc II (14), a winding shaft II (15), a copper wire II (16), a lower fixing disc II (17), a lower fixing disc I (18), a copper wire I (19), a winding shaft I (20) and an upper fixing disc I (21), and is characterized in that the copper wire I (19) is wound on the winding shaft I (20) to form an iron core coil; 6 groups of iron core coils are positioned by a seam allowance and are respectively fastened on an upper fixing disc I (21) and a lower fixing disc I (18) by screws to form a left coil group; a copper wire II (16) is wound on the winding shaft II (15) to form an iron core coil; 6 groups of iron core coils are positioned by a seam allowance and are respectively fastened on the upper fixing disc II (12) and the lower fixing disc II (17) by screws to form a right coil group; a lower fixed disc I (18) of the left coil group and a lower fixed disc II (17) of the right coil group are fastened by bolts to form a fixed disc, and the fixed disc is installed on a vehicle body frame by an installation vehicle body hole (8); the rotating shaft (1) is supported on the upper fixing disc I (21) and the upper fixing disc II (12) through the bearing I (3) and the bearing II (9), and the copper disc seat I (4) and the copper disc seat II (13) are arranged on the rotating shaft (1) in a circumferential positioning mode through keys and in an axial positioning mode through a shaft shoulder and a spring retainer ring for a shaft; the copper disc seat I (4) is provided with a radiating fin I (5) and a copper disc I (6); the copper disc seat II (13) is provided with a radiating fin II (11) and a copper disc II; a gear (2) for increasing the rotating speed of the axle is also arranged at the axle end of the rotating shaft (1); the electric control box I (7) is fixed on the upper fixing disc I (21), and a left coil group power supply battery and an electrifying control relay are arranged in the electric control box I; the electric control box II (10) is fixed on the upper fixing disc II (12), and a right coil group power supply battery and an electrifying control relay are arranged in the electric control box II; and when a power supply of the coil group is switched on, the coil group generates a magnetic field, and the rotating copper disc I (6) and the rotating copper disc II (14) cut magnetic lines to generate magnetic induction force which is transmitted to an axle through the gear (2) to brake the wheel.
CN201810928638.XA 2018-08-15 2018-08-15 Electric control winding type magnetic brake for vehicle Active CN109039008B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810928638.XA CN109039008B (en) 2018-08-15 2018-08-15 Electric control winding type magnetic brake for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810928638.XA CN109039008B (en) 2018-08-15 2018-08-15 Electric control winding type magnetic brake for vehicle

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Publication Number Publication Date
CN109039008A CN109039008A (en) 2018-12-18
CN109039008B true CN109039008B (en) 2020-08-18

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111430094B (en) * 2020-04-23 2021-11-23 盐城创策知识产权服务有限公司 High-speed maglev train direction and eddy current braking integrated electromagnet device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2481592Y (en) * 2001-05-28 2002-03-13 北京威士捷机电技术有限责任公司 Electric brake device for vehicle
CN2851003Y (en) * 2005-11-30 2006-12-27 深圳市特尔佳运输科技有限公司 Central electric eddy speed damper
US9537301B1 (en) * 2015-08-07 2017-01-03 General Electric Company System and method for generator braking
CN107612275B (en) * 2017-09-18 2019-06-14 安徽沃弗电力科技有限公司 Tubular magnetic support formula permanent-magnet speed governor

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