CN102158008B - Electromagnetic brake motor with spiral blade fan - Google Patents
Electromagnetic brake motor with spiral blade fan Download PDFInfo
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- CN102158008B CN102158008B CN2011100358111A CN201110035811A CN102158008B CN 102158008 B CN102158008 B CN 102158008B CN 2011100358111 A CN2011100358111 A CN 2011100358111A CN 201110035811 A CN201110035811 A CN 201110035811A CN 102158008 B CN102158008 B CN 102158008B
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Abstract
The invention discloses an electromagnetic brake motor with a spiral blade fan. The electromagnetic brake motor comprises an electromagnetic brake which is fixedly connected with the back end cover of a motor; the electromagnetic brake is provided with a brake disc in a sliding way; the rotating shaft of the motor is extended out of the back end cover of the motor; the shaft end of the rotating shaft of the motor is fixedly sleeved with a motor fan which is rotated integrally with the rotating shaft; the motor fan is provided with at least two spiral blades with spiral inclination angles; one side surface of each spiral blade is connected with an annular disc which is coaxial with the rotating shaft; a brake surface is reserved on each annular disc; and the brake discs and the brake surfaces are in friction brake. The electromagnetic brake motor breaks through conventional fixed thoughts, utilizes the spiral blades of a fan as the brake surfaces, has very high brake performance and radiating and cooling effects, integrates double functions of braking and cooling, can ensure each part of the motor at a safe operating environmental temperature, and prolongs the service life of equipment.
Description
Technical field
The present invention relates to the technical field of electromechanics trade, particularly relate to the motor technology that utilizes electric motor fan to realize heat radiation and braking, specifically have the electromagnetic braking motor of helical blade fan.
Background technology
The scope of application of electromagnetic braking motor is wider in the subseries of threephase asynchronous machine; And popular in the market standard electromagnetic braking motor, owing to there is certain limitation on its structure, the brake design function is on electric motor end cap; So its braking effect, retro-speed is all not ideal enough.Like Chinese invention patent; The patent No. 01272633.8 just discloses a kind of electro-magnetic braking device of motor, and it comprises outside through being connected the electromagnet that tightening latch is fixedly connected with back end cover for motor, leaves the space between back end cover for motor and the electromagnet; Be provided with armature between back end cover for motor and the electromagnet; The armature slip cap also is provided with spring connecting on the tightening latch between armature and electromagnet, it is characterized in that: frictional disk directly is fixedly connected with rotating shaft; The conical surface of rubbing surface between frictional disk and the armature for cooperating each other, the big footpath of the frictional disk conical surface is 1.2 to 2.0 with the ratio of path.The mode of braking that it has adopted frictional disk to be fixedly connected with machine shaft, frictional disk rotates with rotating shaft, and its rubbing surface is that the conical surface has good braking effect; But it does not break through the single function of braking of frictional disk; Can not effectively solve the problem that motor rotation acting and drag friction produce great amount of heat energy, have a strong impact on the useful life of motor, frictional disk and electromagnetic assembly, if desired heat radiation; Also to add fan; So not only increase the manufacturing cost of motor, improved the production difficulty of product, but also can cause the huge and too fat to move of motor volume.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned prior art present situation, and a kind of electromagnetic braking motor that has the helical blade fan is provided, and it utilizes with electric machine rotational axis fixing equipped; The fan blade of the fan of one rotation is as braking surface; Not only increase braking moment, improved braking effect, but also increased air quantity; Played the effect of heat radiation and cooling, have simple for structure, cost is low, be prone to make the union braking and dispel the heat in the advantage of one.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the electromagnetic braking motor that has the helical blade fan; Comprise the electromagnetic brake that is fixedly connected with the rear end cap of motor; Electromagnetic brake slides and is fitted with brake disc, and the rotating shaft of motor extends the outside of back end cover for motor, and its rotating shaft axle head fixed cover is equipped with and rotating shaft one motor rotating fan; Electric motor fan is shaped on two helical blades that have helix angle at least; One side of helical blade is connected with the annular disc with the rotating shaft coaxle heart, and annular disc is shaped on braking surface, and brake disc slides and matches with the braking surface friction catch.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned annular disc and helical blade are integrally casting spare; The center of electric motor fan is shaped on and connects prominent unit; And connect prominent unit and be shaped on the assembling through hole, the assembling through hole closes with the assembling of rotating shaft adapter sleeve, and annular disc, helical blade be connected the unit of dashing forward and constitute described electric motor fan together.
Above-mentioned radians such as electric motor fan are evenly distributed with six helical blades with same-handed inclination angle, are formed with air-inlet cavity between the inner periphery limit of annular disc and the circumferential periphery that is connected prominent unit.
The helix angle of above-mentioned helical blade and annular disc face is the 70-80 degree.
Install the asbestos keep plate additional on above-mentioned brake disc and the brake disk surface that the annular disc braking surface contacts, the asbestos keep plate is fastening to be installed on the brake disk surface of brake disc.
Column bolts and back end cover for motor that above-mentioned electromagnetic brake is installed through symmetry are fastenedly connected; Electromagnetic brake comprises electromagnetism column iron core, solenoid and the magnechuck that is fitted in the electromagnetism overcoat; Solenoid is looped around the periphery of electromagnetism column iron core, and magnechuck is fixedly mounted between electromagnetism column iron core and the brake disc through dog screw.
The above-mentioned electromagnetism column iron core and the center of magnechuck are equipped with the adjusting bolt, and brake disc is movably set in through the compression spring roof pressure and regulates on the bolt, regulate the predetermined pressure of bolt ability adjustable diameter and screw adjusting compression spring.
Above-mentioned brake disc is shaped on the guiding slide opening, and brake disc closes through guiding slide opening and the assembling of column bolts slip cap.
The assembling through hole that above-mentioned electric motor fan connects prominent unit has the metallic bond keyway.
The helix angle of above-mentioned helical blade and annular disc face is 75 degree.
Compared with prior art; Rotating shaft axle head fixed cover of the present invention is equipped with and rotating shaft one motor rotating fan; Electric motor fan is shaped on the helical blade that has helix angle; One side of helical blade is connected with the annular disc with the rotating shaft coaxle heart, and annular disc is shaped on braking surface, and brake disc matches with the braking surface friction catch through sliding.Electric motor fan of the present invention and the rotation of rotating shaft fixed installation one, friction brake force can directly act on rotating shaft, and the fan blade length of fan has increased the moment of braking relatively; Therefore accelerated the retro-speed of motor, it is quick on the draw, responds the effect that can reach the speed system soon, moreover the blade of this electric motor fan is changed traditional right-angle type; Employing has the blade of helix angle, has strengthened air quantity, has better cooling ability; This invention adopts the annular disc of side integrally casting that electric motor fan utilizes fan blade as braking surface, has broken through traditional directed thinking, makes its brake apparatus widen function and effectiveness; This invention of prior art not only has good stopping power relatively, but also has the effect of heat radiation and cooling, the double-deck function of collection braking and cooling; Can guarantee that the motor each several part is in safe operating ambient temperature, improve the useful life of equipment, this invention simultaneously also has simple in structure; Be prone to make characteristics such as cost is low, and applicability is strong.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of electric motor fan among Fig. 1;
Fig. 3 is the plan structure sketch map of Fig. 2;
Fig. 4 is the structural representation of looking up of Fig. 2;
Fig. 5 is that the B of Fig. 4 is to local enlarged diagram.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail.
Fig. 1 to Fig. 5 is shown structural representation of the present invention.
Reference numeral wherein is: motor 1, rear end cap 11, rotating shaft 12, brake disc 2, guiding slide opening 2a, asbestos keep plate 21, electric motor fan 3, air-inlet cavity 3a, helical blade 31, annular disc 32, braking surface 32a, connect prominent unit 33, assembling through hole 33a, metallic bond keyway 33b, column bolts 4, electromagnetism overcoat 5, electromagnetism column iron core 6, solenoid 7, magnechuck 8, dog screw 8a, regulate bolt 9, compression spring 91.
Extremely shown in Figure 5 like Fig. 1; The electromagnetic braking motor that has the helical blade fan of the present invention comprises the electromagnetic brake that is fixedly connected with the rear end cap 11 of motor 1, and electromagnetic brake slides and is fitted with brake disc 2; And the rotating shaft 12 of motor 1 extends the outside of back end cover for motor 11; Its rotating shaft 12 axle head fixed covers are equipped with and rotating shaft 12 one motor rotating fans 3, and electric motor fan 3 is shaped on two helical blades 31 that have helix angle at least, and a side of helical blade 31 is connected with the annular disc 32 with rotating shaft 12 concentrics; Annular disc 32 is shaped on braking surface 32a, and brake disc 2 slides and matches with braking surface 32a friction catch.The technical design of particularly on motor blower fan, having made novelty of this invention utilizes the annular disc 32 be connected electric motor fan 3 helical blades 31 1 sides to make braking surface, changed the pattern that conventional fan only is used for radiating and cooling; Make helical blade 31 have the function of braking, expanded the scope of application of electric motor fan, given the double effects of fan heat radiation and braking; Electric motor fan 3 and rotating shaft 12 fixed installation one rotations friction brake force is acted directly on the rotating shaft, and the length of helical blade 31 have also increased the moment of braking; Improved braking effect; Therefore accelerated the retro-speed of motor, it is quick on the draw, responds the purpose that can reach the speed system soon, and the blade of electric motor fan changes helical angle into by traditional right angle; Strengthened air quantity; Have better cooling ability, can solve the great amount of heat energy that motor rotation or electromagnetic brake frequent movement are produced effectively, guarantee that the motor each several part all has a good ambient operating temperature; Prolong the useful life of equipment greatly, strengthened the adaptability of this motor and the ability of market competition.
Among the embodiment, to shown in Figure 4, annular disc 32 be an integrally casting spare with helical blade 31 like Fig. 2, and the center of electric motor fan 3 is shaped on and connects prominent unit 33, and connects prominent unit 33 and be shaped on assembling through hole 33a, and assembling through hole 33a and rotating shaft 12 adapter sleeves assemble and close.Helical blade 31 is that the axle center radially distributes to connect prominent unit 33; The one side of side in addition of fan blade is towards motor during assembling; Be enclosed within on the rotating shaft 12 and adopt clamp nut that it is fastenedly connected through assembling through hole 33a, annular disc 32, helical blade 31 and is connected the main body that prominent unit 33 employing integrally castings have constituted electric motor fan 3 together, each parts also can be for split type certainly; The mode that can weld is formed one; Or adopting other material to carry out processing and fabricating, the present invention has broken through the directed thinking that conventional fan is used to dispel the heat, and makes electric motor fan 3 have the expanded function of braking.
Among the embodiment, like Fig. 3, Fig. 4 and shown in Figure 5, electric motor fan 3 radians such as grade are evenly distributed with six helical blades 31 with same-handed inclination angle.Electric motor fan 3 of the present invention is shaped on six helical blades 31, and the angle between two adjacent helical blades is 60 degree.Helical blade 31 is the 70-80 degree with the helix angle of annular disc face, is preferably 75 degree.And be formed with air-inlet cavity 3a between the inner periphery limit of the annular disc 32 of electric motor fan 3 of the present invention and the circumferential periphery that is connected prominent unit 33.Annular disc 32 adopts the disk of annular; The part of hollow just can be as the port of air intake like this, and when electric motor fan 3 was with electric machine rotational axis 12 rotations, the residing space of electromagnetic brake and braking surface will form negative pressure owing to the suction of fan; Outside cold air can constantly get into; Thereby reduce the temperature of electromagnetic brake and friction catch face, and in the front of this while fan under the fan wind, strengthened the air flow of motor; From taking away the heat energy that motor rotation produced, realized the purpose of motor radiating cooling.
Install asbestos keep plate 21 additional on brake disc 2 of the present invention and the brake disk surface that annular disc braking surface 32a contacts, asbestos keep plate 21 is fastening to be installed on the brake disk surface of brake disc 2.Asbestos keep plate 21 is an asbestos friction material, in accompany wire, have good toughness and resistance to wear, asbestos keep plate 21 is installed can be protected brake disc 2 not to be worn effectively, can be when significantly promoting braking effect, the noise that can also reduce friction and bring.
Among the embodiment; The column bolts 4 that electromagnetic brake is installed through symmetry is fastenedly connected with back end cover for motor 11; Electromagnetic brake comprises electromagnetism column iron core 6, solenoid 7 and the magnechuck 8 that is fitted in the electromagnetism overcoat 5; Solenoid 7 is looped around the periphery of electromagnetism column iron core 6, and magnechuck 8 is fixedly mounted between electromagnetism column iron core 6 and the brake disc 2 through dog screw 8a.Electromagnetism column iron core 6 can produce magnetic field with solenoid 7 after energising, the action that the magnetic force that relies on energising to produce through hard-wired magnechuck 8 comes control brake dish 2.
Among the embodiment, the center of electromagnetism column iron core 6 and magnechuck 8 is equipped with regulates bolt 9, and brake disc 2 is movably set in through compression spring 91 roof pressures and regulates on the bolt 9.Brake disc 2 is sleeved on together with compression spring 91 and regulates on the bolt 9; Brake disc 2 relies on the effect of compression spring 91 to press to the annular disc braking surface 32a of electric motor fan 3 in electromagnetic brake outage back; Thereby reach the purpose of braking; Regulate the predetermined pressure that bolt 9 can spiral adjustment compression spring 91, make braking effect reach optimum state.
Among the embodiment, brake disc 2 is shaped on guiding slide opening 2a, and brake disc 2 closes through guiding slide opening 2a and the assembling of column bolts 4 slip caps.Column bolts 4 is passed brake disc guiding slide opening 2a brake disc 2 is play the guiding role; Brake disc 2 can horizontally slip under column bolts 4 guiding; Be shaped on guiding slide opening 2a and can guarantee that brake disc 2 can not produce displacement in the drag friction process, can be with electric motor fan 3 rotations.
Among the embodiment, the assembling through hole 33a that electric motor fan connects prominent unit 33 has metallic bond keyway 33b.Electric machine rotational axis 12 of the present invention has the spline groove, and the spline groove matches with metallic bond keyway 33b, cooperates the space that forms to be embedded with metallic bond at it.
Operation principle of the present invention is such: after the electromagnetic brake energising, solenoid produces magnetic field, attracts brake disc to slide along the column bolts left through magnechuck; Brake disc breaks away from the braking surface of electric motor fan, and the compression pressure spring is compression spring savings energy simultaneously; After the electromagnetic brake outage, magnetic field disappears, and compressed compression spring energy discharges; Promote brake disc and slide to the right, press to the braking surface of electric motor fan, thereby reach the purpose of braking along the column bolts.
Most preferred embodiment of the present invention is illustrated, and various variations or the remodeling made by those of ordinary skills can not depart from the scope of the present invention.
Claims (3)
1. the electromagnetic braking motor that has the helical blade fan; Comprise the electromagnetic brake that is fixedly connected with the rear end cap (11) of motor (1); Electromagnetic brake slides and is fitted with brake disc (2); The rotating shaft (12) of said motor (1) extends the outside of back end cover for motor (11); It is characterized in that: described rotating shaft (12) axle head fixed cover is equipped with and rotating shaft (12) one motor rotating fan (3), and said electric motor fan (3) is shaped on two helical blades (31) that have helix angle at least, and a side of helical blade (31) is connected with the annular disc (32) with rotating shaft (12) concentric; Said annular disc (32) is shaped on braking surface (32a), and said brake disc (2) slides and matches with braking surface (32a) friction catch; Described annular disc (32) and helical blade (31) are integrally casting spare; The center of said electric motor fan (3) is shaped on and connects prominent unit (33); And connect prominent unit (33) and be shaped on assembling through hole (33a); The assembling of said assembling through hole (33a) and rotating shaft (12) adapter sleeve is closed, and annular disc (32), helical blade (31) with is connected dash forward first (33) and constitutes described electric motor fan (3) together; Install asbestos keep plate (21) additional on described brake disc (2) and the brake disk surface that annular disc braking surface (32a) contacts, said asbestos keep plate (21) is fastening to be installed on the brake disk surface of brake disc (2); The column bolts (4) that described electromagnetic brake is installed through symmetry is fastenedly connected with back end cover for motor (11); Electromagnetic brake comprises electromagnetism column iron core (6), solenoid (7) and the magnechuck (8) that is fitted in the electromagnetism overcoat (5); Said solenoid (7) is looped around the periphery of electromagnetism column iron core (6), and said magnechuck (8) is fixedly mounted between electromagnetism column iron core (6) and the brake disc (2) through dog screw (8a); The center of described electromagnetism column iron core (6) and magnechuck (8) is equipped with regulates bolt (9), and said brake disc (2) is movably set in through compression spring (91) roof pressure and regulates on the bolt (9), regulates the predetermined pressure of bolt (9) ability adjustable diameter and screw adjusting compression spring (91); Described electric motor fan radians such as (3) is evenly distributed with six helical blades (31) with same-handed inclination angle, is formed with air-inlet cavity (3a) between the inner periphery limit of said annular disc (32) and the circumferential periphery that is connected prominent unit (33); Described helical blade (31) is the 70-80 degree with the helix angle of annular disc face; Described brake disc (2) is shaped on guiding slide opening (2a), and brake disc (2) closes through guiding slide opening (2a) and the assembling of column bolts (4) slip cap; After the electromagnetic brake energising, solenoid produces magnetic field, attracts brake disc to slide along the column bolts left through magnechuck; Brake disc breaks away from the braking surface of electric motor fan, and the compression pressure spring is compression spring savings energy simultaneously; After the electromagnetic brake outage, magnetic field disappears, and compressed compression spring energy discharges; Promote brake disc and slide to the right, press to the braking surface of electric motor fan along the column bolts.
2. the electromagnetic braking motor that has the helical blade fan according to claim 1 is characterized in that: the assembling through hole (33a) that described electric motor fan connects prominent unit (33) has metallic bond keyway (33b).
3. the electromagnetic braking motor that has the helical blade fan according to claim 2 is characterized in that: described helical blade (31) is 75 degree with the helix angle of annular disc face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100358111A CN102158008B (en) | 2011-02-02 | 2011-02-02 | Electromagnetic brake motor with spiral blade fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100358111A CN102158008B (en) | 2011-02-02 | 2011-02-02 | Electromagnetic brake motor with spiral blade fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102158008A CN102158008A (en) | 2011-08-17 |
| CN102158008B true CN102158008B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100358111A Expired - Fee Related CN102158008B (en) | 2011-02-02 | 2011-02-02 | Electromagnetic brake motor with spiral blade fan |
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| CN (1) | CN102158008B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588336A (en) * | 2012-03-22 | 2012-07-18 | 无锡星诺电气有限公司 | Fan blade for cooling fan of electric welder |
| CN106712381A (en) * | 2016-12-19 | 2017-05-24 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor cooling fan fixation structure |
| CN114909186A (en) * | 2021-02-08 | 2022-08-16 | 中国航发商用航空发动机有限责任公司 | Impeller machinery and aeroengine |
| CN116388461A (en) * | 2023-04-22 | 2023-07-04 | 江苏恒鑫润翔机电制造有限公司 | Integrated braking permanent magnet motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0162481A2 (en) * | 1981-10-09 | 1985-11-27 | ABM Adam Baumüller GmbH Fabrik für Elektrotechnik in Marktredwitz | Disc brake actuator |
| CN201038957Y (en) * | 2006-12-27 | 2008-03-19 | 上海电器科学研究所（集团）有限公司 | An elevating three-phase asynchronous motor |
| CN201174638Y (en) * | 2008-04-07 | 2008-12-31 | 叶贤庄 | Motor braking device |
| CN100514797C (en) * | 2007-03-19 | 2009-07-15 | 常州美能特机电制造有限公司 | Linear push-rod electric machine |
| CN202167940U (en) * | 2011-09-01 | 2012-03-14 | 宁波市镇海电机厂 | Electromagnetic brake motor with spiral blade fan |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007292251A (en) * | 2006-04-27 | 2007-11-08 | Meidensha Corp | Motor with brake attached below shaft |
-
2011
- 2011-02-02 CN CN2011100358111A patent/CN102158008B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0162481A2 (en) * | 1981-10-09 | 1985-11-27 | ABM Adam Baumüller GmbH Fabrik für Elektrotechnik in Marktredwitz | Disc brake actuator |
| CN201038957Y (en) * | 2006-12-27 | 2008-03-19 | 上海电器科学研究所（集团）有限公司 | An elevating three-phase asynchronous motor |
| CN100514797C (en) * | 2007-03-19 | 2009-07-15 | 常州美能特机电制造有限公司 | Linear push-rod electric machine |
| CN201174638Y (en) * | 2008-04-07 | 2008-12-31 | 叶贤庄 | Motor braking device |
| CN202167940U (en) * | 2011-09-01 | 2012-03-14 | 宁波市镇海电机厂 | Electromagnetic brake motor with spiral blade fan |
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| CN102158008A (en) | 2011-08-17 |
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Granted publication date: 20121121 Termination date: 20200202 |