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CN109595278A - A kind of high speed sheet electromagnetic brake - Google Patents

A kind of high speed sheet electromagnetic brake Download PDF

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Publication number
CN109595278A
CN109595278A CN201811449159.6A CN201811449159A CN109595278A CN 109595278 A CN109595278 A CN 109595278A CN 201811449159 A CN201811449159 A CN 201811449159A CN 109595278 A CN109595278 A CN 109595278A
Authority
CN
China
Prior art keywords
friction disk
dynamic friction
high speed
electromagnetic brake
guiding loop
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.)
Pending
Application number
CN201811449159.6A
Other languages
Chinese (zh)
Inventor
惠旋
郭炳岐
郗珂庆
郝志鹏
张晟媛
苏倩
崔翔宇
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.)
Observation And Control Technology Research Institute Of Xi'an Space Dynamic
Original Assignee
Observation And Control Technology Research Institute Of Xi'an Space Dynamic
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 Observation And Control Technology Research Institute Of Xi'an Space Dynamic filed Critical Observation And Control Technology Research Institute Of Xi'an Space Dynamic
Priority to CN201811449159.6A priority Critical patent/CN109595278A/en
Publication of CN109595278A publication Critical patent/CN109595278A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/14Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/22Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00Type of actuator operation force
    • F16D2121/18Electric or magnetic
    • F16D2121/20Electric or magnetic using electromagnets

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

本发明涉及一种高速失电式电磁制动器,包括机壳、运动部件、静止部件、端盖和输出轴;运动部件包括动摩擦盘、板簧、连接盘、螺钉,静止部件包括静摩擦盘、磁钢、导磁环、铜线圈、定位挡圈。为了保证制动器12000rpm的高转速下工作稳定,结构设计方面在制动器输出轴两端增加了轴承;为保证动摩擦盘在高速旋转下不破环板簧,设计中通过同心圆环间隙配合的方式使连接盘作为动摩擦盘轴向运动的导杆,该种结构设计也可有效避免离心力作用对动摩擦盘径向位置的影响,从而保证制动器在复杂外力作用下能够正常工作。

The invention relates to a high-speed power-off electromagnetic brake, comprising a casing, a moving part, a stationary part, an end cover and an output shaft; the moving part includes a dynamic friction disc, a leaf spring, a connecting disc and a screw, and the stationary part includes a static friction disc, a magnetic steel , Magnetic ring, copper coil, positioning retaining ring. In order to ensure the stable operation of the brake at a high speed of 12000rpm, bearings are added at both ends of the brake output shaft in terms of structural design; in order to ensure that the dynamic friction disc does not break the leaf spring under high-speed rotation, the concentric rings are gap-fitted in the design to make the connection disc As a guide rod for the axial movement of the dynamic friction disc, this structural design can also effectively avoid the influence of centrifugal force on the radial position of the dynamic friction disc, thereby ensuring that the brake can work normally under the action of complex external forces.

Description

A kind of high speed sheet electromagnetic brake
Technical field
The present invention relates to technical field of motors, specially a kind of power loss braking that can realize braking function at high speed Device, is used for and Lock function is braked and powered off to electric drilling match, the energization solution of implementation mechanism.
Background technique
Electromagnetic brake mainly and electric drilling match, is widely used in each industrial circle, there is structure to be simple and convenient to operate, Light-weight advantage.Powerless magnetic brake can provide certain braking moment when power is off, realize the function of lock-bit, prevent Mechanism maloperation when power is off.The problems such as domestic electromagnetic brake there are types single, poor reliability, short service life.
Applied to the powerless magnetic brake in weaponry field, on the other hand one side volume and limited mass need Tolerance high speed conditions under power on/off state.Therefore, developing compact-sized, high-revolving powerless magnetic brake has Significance.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention propose it is a kind of it is compact-sized, can be achieved to work under high revolving speed Sheet electromagnetic brake.
The technical solution of the present invention is as follows:
A kind of high speed sheet electromagnetic brake, it is characterised in that: including casing, moving component, stationary parts, end Lid and output shaft;
The output shaft is cooperated by bearing and casing and end cap;
The moving component includes dynamic friction disk, leaf spring, terminal pad, screw;
The terminal pad is fixedly and coaxially connected with output shaft, can be rotated synchronously;Described terminal pad one end face has concentric Annulus protrusion, the dynamic friction disk is mounted in the concentric loop protrusion of terminal pad and clearance fit, and dynamic friction disk is along mating surface It can axially move;Leaf spring is fixedly installed between dynamic friction disk and terminal pad;
The stationary parts is fixed on casing internal;
The stationary parts includes static friction disk, magnet steel, magnetic guiding loop, copper coil, positioning retainer ring;
The magnetic guiding loop is hollow stepped shaft structure, has insulating layer in magnetic conduction ring outer surface, copper coil is exhausted along magnetic guiding loop Edge layer outer circle circumferential direction coiling and dipping lacquer, magnet steel are fixed on magnetic guiding loop inner face;Magnetic guiding loop passes through the together with magnet steel and copper coil Two positioning retainer rings are fitted in casing internal;Static friction disk is fixed on the first positioning retainer ring, and the first positioning retainer ring is together with static friction Disk is fitted in casing along the periphery of magnetic guiding loop.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: leaf spring passes through two The axial bolts of 180 ° of distributions are fixed in terminal pad, and are fixed on by two 180 ° of distribution axial bolts of opposite direction dynamic On frictional disk, and four screws are evenly distributed with for 90 ° in a circumferential direction.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: the terminal pad side of passing through Shape hole is fixedly connected with rectangular output shaft.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: magnetic conduction ring surface is viscous One layer of insulating paper is connect, copper coil carries out dipping lacquer after the completion of insulating paper outer circle circumferential direction coiling, coiling.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: magnet steel passes through DG-2 Glue is bonded and is heating and curing on magnetic guiding loop.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: the second positioning retainer ring Positioning of the casing internal as magnetic guiding loop is arrived by cold pressing, by magnetic guiding loop together with magnet steel and copper coil along the second positioning retainer ring Disc is cold-pressed in casing.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: static friction disk passes through DG-2 glue is bonded and is heating and curing on the first positioning retainer ring.
Further preferred embodiment, a kind of high speed sheet electromagnetic brake, it is characterised in that: dynamic friction disk and quiet Frictional disk is all made of wear-resistant material;Casing, end cap, output shaft use un-conducted magnetic material, and the first positioning retainer ring uses permeability magnetic material;
Under on-position, copper coil no power, magnet steel is interior in magnetic guiding loop and the first positioning retainer ring to form axial magnetic field, Suction is generated to dynamic friction disk, suction is greater than leaf spring deformation to the pulling force of dynamic friction disk, keeps dynamic friction disk and static friction disk complete Fitting;
Under non-brake state, copper coil is powered, and dynamic friction is eliminated in the magnetic field that the field weakening magnet steel that copper coil generates generates The suction-combining force between disk and static friction disk, dynamic friction disk reset under the action of leaf spring, separate with static friction disk.
Beneficial effect
The present invention provides a kind of sheet electromagnetic brake that can be worked at high speed, which includes movement portion Part (dynamic friction disk, leaf spring, terminal pad, screw), stationary parts (static friction disk, magnet steel, magnetic guiding loop, copper coil, positioning retainer ring), End cap, output shaft etc..The operation is stable under high revolving speed in order to guarantee brake 12000rpm, structure design aspect are defeated in brake Shaft both ends increase bearing;To guarantee that dynamic friction disk does not break ring flat-plate spring under high speed rotation, by between concentric loop in design The guide rod that the mode of gap cooperation is axially moved terminal pad as dynamic friction disk, this kind of structure design also can effectively avoid centrifugal force The influence to dynamic friction disk radial position is acted on, to guarantee that brake can work normally under complex external force effect.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 is the cross-sectional view of this patent brake state;
Fig. 2 is the cross-sectional view of the non-brake state of this patent brake;
Fig. 3 is the outside drawing of this patent;
Fig. 4 is dynamic friction disk, leaf spring, terminal pad structure chart.
Wherein: 1 end cap, 2 bearings, 3 terminal pads, 4 leaf springs, 5 dynamic friction disks, 6 screws, 7 static friction disks, 8 first positioning gears Circle, 9 second positioning retainer rings, 10 magnet steel, 11 copper coils, 12 magnetic guiding loops, 13 bearings, 14 output shafts, 15 casings.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Furthermore, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Therefore, define " first ", the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.
Combined with Figure 1 and Figure 2, this patent brake by end cap 1, bearing 2, terminal pad 3, leaf spring 4, dynamic friction disk 5, screw 6, Static friction disk 7, the first positioning retainer ring 8, the second positioning retainer ring 9, magnet steel 10, copper coil 11, magnetic guiding loop 12, bearing 13, output shaft 14, casing 15 forms.
In conjunction with Fig. 1,12 surface of magnetic guiding loop is bonded one layer of insulating paper, and copper coil 11 is along insulating paper outer circle circumferential direction coiling.Around Dipping lacquer is carried out after the completion of system.Magnet steel 10 is bonded by DG-2 glue and is heating and curing on magnetic guiding loop 12.Second positioning retainer ring 9 is logical Supercooling is pressed onto positioning of the casing internal as magnetic guiding loop.By after solidification magnet steel 10, magnetic guiding loop 12, copper coil 11 along second positioning The inner headed face of retaining ring 9 is cold-pressed in casing 15.Static friction disk 7 is bonded by DG-2 glue and is heating and curing in the first positioning retainer ring On 8, by after solidification static friction disk 7, the first positioning retainer ring 8 along magnetic guiding loop 12 periphery indentation casing 15 along.End cap 1 and machine Shell 15 is fixed by 4 cross recessed countersunk head sscrews that radially even circumferential is distributed.Pass through bearing between output shaft 14 and end cap 1 2 support rotations, output shaft 14 and casing 15 are rotated by the support of bearing 13.
In conjunction with Fig. 4, leaf spring 4 is fixed in terminal pad 3 by two axial bolts 6, passes through two axial directions of opposite direction Screw 6 is fixed on dynamic friction disk 5.Dynamic friction disk 5 and terminal pad 3 are by concentric loop clearance fit, and dynamic friction disk 5 is along cooperation Face axially moves.Terminal pad 3 is fixed by square hole and rectangular output shaft 14, makes rotating motion together.
In conjunction with Fig. 1, under on-position, dynamic friction disk 5 is bonded completely with static friction disk 7, will under the action of stiction Output shaft 14 locks, and dynamic friction disk 5 and static friction disk 7 are all made of wear-resistant material.Casing 15, end cap 1, output shaft 14 are used and are not led Magnetic material.First positioning retainer ring 8 selects permeability magnetic material.Magnetic guiding loop 12 carries out electroplating processes using No. 10 steel.Under on-position, copper 11 no power of coil, magnet steel 10 is interior in magnetic guiding loop 12 and the first positioning retainer ring 8 to form axial magnetic field, produces to dynamic friction disk 5 Raw suction, the suction are greater than the deformation of leaf spring 4 to the pulling force of dynamic friction disk 5.
In conjunction with Fig. 2, under non-brake state, distance is 0.5mm between dynamic friction disk 5 and static friction disk 7, and moving component is (dynamic Frictional disk 5, leaf spring 4, terminal pad 3, screw 6) it is rotated simultaneously with output shaft 14.Under non-brake state, copper coil 11 is powered, copper wire The suction-combining force between dynamic friction disk 5 and static friction disk 7 is eliminated in the magnetic field that the field weakening magnet steel 10 that circle 11 generates generates, dynamic to rub It wipes disk 5 to reset under the action of leaf spring 4, be separated at a distance from about 0.5mm with static friction disk 7.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.

Claims (8)

1. a kind of high speed sheet electromagnetic brake, it is characterised in that: including casing, moving component, stationary parts, end cap and defeated Shaft;
The output shaft is cooperated by bearing and casing and end cap;
The moving component includes dynamic friction disk, leaf spring, terminal pad, screw;
The terminal pad is fixedly and coaxially connected with output shaft, can be rotated synchronously;Described terminal pad one end face has concentric loop Protrusion, the dynamic friction disk is mounted in the concentric loop protrusion of terminal pad and clearance fit, and dynamic friction disk can along mating surface It axially moves;Leaf spring is fixedly installed between dynamic friction disk and terminal pad;
The stationary parts is fixed on casing internal;
The stationary parts includes static friction disk, magnet steel, magnetic guiding loop, copper coil, positioning retainer ring;
The magnetic guiding loop is hollow stepped shaft structure, has insulating layer in magnetic conduction ring outer surface, copper coil is along magnetic guiding loop insulating layer The coiling of outer circle circumferential direction and dipping lacquer, magnet steel are fixed on magnetic guiding loop inner face;Magnetic guiding loop is fixed by second together with magnet steel and copper coil Position retainer-ring press mounting is in casing internal;Static friction disk is fixed on the first positioning retainer ring, and the first positioning retainer ring is together with static friction disk edge The periphery of magnetic guiding loop is fitted in casing.
2. a kind of high speed sheet electromagnetic brake according to claim 1, it is characterised in that: leaf spring passes through two 180 ° points The axial bolt of cloth is fixed in terminal pad, and is fixed on dynamic friction disk by two 180 ° of distribution axial bolts of opposite direction On, and four screws are evenly distributed with for 90 ° in a circumferential direction.
3. a kind of high speed sheet electromagnetic brake according to claim 2, it is characterised in that: terminal pad by square hole with Rectangular output shaft is fixedly connected.
4. a kind of high speed sheet electromagnetic brake according to claim 1, it is characterised in that: magnetic conduction ring surface is bonded one layer Insulating paper, copper coil carry out dipping lacquer after the completion of insulating paper outer circle circumferential direction coiling, coiling.
5. a kind of high speed sheet electromagnetic brake according to claim 4, it is characterised in that: magnet steel is viscous by DG-2 glue It connects and is heating and curing on magnetic guiding loop.
6. a kind of high speed sheet electromagnetic brake according to claim 5, it is characterised in that: the second positioning retainer ring passes through cold It is pressed onto positioning of the casing internal as magnetic guiding loop, magnetic guiding loop is cold along the inner headed face of the second positioning retainer ring together with magnet steel and copper coil It is pressed into casing.
7. a kind of high speed sheet electromagnetic brake according to claim 4, it is characterised in that: static friction disk passes through DG-2 glue Liquid is bonded and is heating and curing on the first positioning retainer ring.
8. a kind of high speed sheet electromagnetic brake according to claim 1, it is characterised in that: dynamic friction disk and static friction disk It is all made of wear-resistant material;Casing, end cap, output shaft use un-conducted magnetic material, and the first positioning retainer ring uses permeability magnetic material;
Under on-position, copper coil no power, magnet steel is interior in magnetic guiding loop and the first positioning retainer ring to form axial magnetic field, to dynamic Frictional disk generates suction, and suction is greater than leaf spring deformation to the pulling force of dynamic friction disk, is bonded dynamic friction disk completely with static friction disk;
Under non-brake state, copper coil be powered, copper coil generate field weakening magnet steel generate magnetic field, eliminate dynamic friction disk and The suction-combining force between static friction disk, dynamic friction disk reset under the action of leaf spring, separate with static friction disk.
CN201811449159.6A 2018-11-28 2018-11-28 A kind of high speed sheet electromagnetic brake Pending CN109595278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811449159.6A CN109595278A (en) 2018-11-28 2018-11-28 A kind of high speed sheet electromagnetic brake

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811449159.6A CN109595278A (en) 2018-11-28 2018-11-28 A kind of high speed sheet electromagnetic brake

Publications (1)

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CN109595278A true CN109595278A (en) 2019-04-09

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111181286A (en) * 2020-01-07 2020-05-19 珠海格力电器股份有限公司 Stator core of electromagnetic brake

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CN205446490U (en) * 2016-05-10 2016-08-10 芜湖大中机电制造有限公司 But manual release's mistake electricity electromagnetic braking ware
CN107676411A (en) * 2017-10-19 2018-02-09 兰州万里航空机电有限责任公司 A kind of electromagnetic brake for aero dynamo
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US20100155189A1 (en) * 2006-05-01 2010-06-24 Danaher Motion Braking or clutching device
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CN201344218Y (en) * 2008-10-30 2009-11-11 芜湖大中机电制造有限公司 Novel electromagnetic power lost brake
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CN205446490U (en) * 2016-05-10 2016-08-10 芜湖大中机电制造有限公司 But manual release's mistake electricity electromagnetic braking ware
CN108019447A (en) * 2016-10-31 2018-05-11 北京精密机电控制设备研究所 A kind of high braking moment density permanent magnetic formula brake
CN107676411A (en) * 2017-10-19 2018-02-09 兰州万里航空机电有限责任公司 A kind of electromagnetic brake for aero dynamo

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111181286A (en) * 2020-01-07 2020-05-19 珠海格力电器股份有限公司 Stator core of electromagnetic brake

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Application publication date: 20190409