CN108063521A - A kind of frequency control braking motor - Google Patents

A kind of frequency control braking motor Download PDF

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Publication number
CN108063521A
CN108063521A CN201810020844.0A CN201810020844A CN108063521A CN 108063521 A CN108063521 A CN 108063521A CN 201810020844 A CN201810020844 A CN 201810020844A CN 108063521 A CN108063521 A CN 108063521A
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CN
China
Prior art keywords
electromagnet
bolt
release lever
motor body
mandril
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.)
Granted
Application number
CN201810020844.0A
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Chinese (zh)
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CN108063521B (en
Inventor
陆忠辉
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.)
QIDONG DATNG MOTOR CO Ltd
Original Assignee
QIDONG DATNG MOTOR CO Ltd
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Priority to CN201810020844.0A priority Critical patent/CN108063521B/en
Publication of CN108063521A publication Critical patent/CN108063521A/en
Application granted granted Critical
Publication of CN108063521B publication Critical patent/CN108063521B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/102Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
    • H02K7/1021Magnetically influenced friction brakes
    • H02K7/1023Magnetically influenced friction brakes using electromagnets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a kind of frequency control braking motors, including motor body, mandril and release lever, the shell of motor body is equipped with lifting bolt, the rear end of motor body output shaft is arranged with plastic blade, electromagnetic brake is equipped between motor body and plastic blade, electromagnetic brake and plastic blade are externally provided with protected enclosure, the rear end of protected enclosure is equipped with netted air inlet hole, protected enclosure is equipped with limiting slot, one end of release lever is fixedly connected after passing through limiting slot with electromagnetic brake, multiple shift slots are equipped at intervals on the release lever, one end of mandril is flexibly connected with one of lifting bolt, the other end of mandril is equipped with the arc port with shift slot cooperation.The braking motor excellent in heat dissipation effect of the present invention realizes that wearing clearance facilitates adjusting by abandoning double apertured gasket means, releases braking stationary state manually by release lever, manual releasing power is smaller, and the scope of application is wider.

Description

A kind of frequency control braking motor
Technical field
The present invention relates to a kind of braking motor, more particularly, to a kind of frequency control braking motor.
Background technology
The frequency control characteristic that braking motor when braking is driven currently used for frequency control is 0 ~ 87Hz, although with permanent torque Output characteristics, but still there are following problems:
1)Speed adjustable range ensures former loaded ability when being difficult to meet higher speed governing;
2)It is radiated using preposition aluminum alloy fan blade or external independent wind turbine, in order to reduce the weight of aluminum alloy fan blade, only Blade can be made to more sparse, but air quantity reduces therewith, and the installation operation of external wind turbine is comparatively laborious, cost is also higher, Meanwhile two kinds of radiating modes are influenced by motor structural factor itself, cause heat dissipation effect bad;
3)The wearing clearance adjustment means of motor internal detents are completed under the conditions of comparatively laborious dismounting, and are needed higher The qualification of skill and operating personnel's technology, Adjustment precision are affected by human factors very big;
4)Manual releasing mode, if manual releasing power is excessive, is highly vulnerable to breakage protection since stress benchmark is acted on protected enclosure The fixed stability of case;Such as manual releasing power deficiency, then fixed seat can not be pushed up, it is hidden to generate unreliable, unstable safety Suffer from problem;
5)Shell is made of aluminium alloy, although lighter in weight, intensity difference, and very big vibration is generated in motor operation course And noise;
6)It is difficult in adapt to building hoist, construction lifting platform, industrial hoistable platform and other needs and frequently opens braking occasion Lifting equipment requirement, the scope of application is relatively limited.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of excellent in heat dissipation effect, and frequency range is wide, and are easy to adjustment mill Damage gap, the better frequency control braking motor of applicability.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of frequency control braking motor, including motor body, mandril and release lever, the shell of motor body is equipped with wiring Box and multiple lifting bolts, the rear end of motor body output shaft are arranged with plastic blade, positioned at motor body and plastic blade it Between output shaft on be arranged with electromagnetic brake, electromagnetic brake and plastic blade are externally provided with protected enclosure, and protected enclosure passes through Multiple positioning bolts are fixed on the connection boss of motor body rear end, and air-out passage, protected enclosure are formed between connection boss Rear end be equipped with netted air inlet hole, protected enclosure is equipped with limiting slot, one end of release lever through after limiting slot with electromagnetic system Dynamic device is fixedly connected, and multiple shift slots, one end of mandril and the activity of one of lifting bolt are equipped at intervals on the release lever Connection, the other end of mandril are equipped with the arc port with shift slot cooperation.
Above-mentioned electromagnetic brake includes electromagnet, fixed disk and dust cover with coil, and the inner ring of electromagnet is equipped with end Lid, fixed disk are equipped with multiple bolt I, and brake disc is equipped between fixed disk and electromagnet, and the inner ring of brake disc is equipped with spline housing, Armature is equipped between brake disc and electromagnet, multiple tripping springs are equipped between armature and electromagnet, tripping spring is embedded in electromagnetism In iron, dust cover is installed on the outer ring of fixed disk and electromagnet, and the outer ring of electromagnet is additionally provided with U-shaped knob, the both ends of U-shaped knob It is fixedly connected by bolt II and hammer nut with armature, hammer nut is fixed by self-clinching standoff, and the center of U-shaped knob is with releasing The let go end of handle is fixedly connected, and multiple spacers are equipped on armature, double apertured gasket group, electricity are equipped between spacer and fixed disk Magnet is equipped with bolt III corresponding with spacer, and bolt III is fixed on after passing through the opening of spacer and double apertured gasket group one end On fixed disk, the opening of the double apertured gasket group other end is fixed on by bolt IV on fixed disk.
Above-mentioned electromagnetic brake further includes at least one microswitch, and microswitch is fixed on electromagnet by protection board On, the lower section of microswitch is equipped with bolt assembly with matching, and bolt assembly is fixedly connected after passing through electromagnet with armature.
The quantity of double apertured gasket is 5-8 pieces in above-mentioned double apertured gasket group, and the thickness of every is 0.25mm.
The shell of above-mentioned motor body and the material of protected enclosure are cast iron, and mandril is equipped with strong with protected enclosure actuation Magnetic sheet.
The material of above-mentioned plastic blade is nylon.
It is an advantage of the invention that:The braking motor of the present invention is powered by DC power supply, and frequency control characteristic can be extended to 0 ~ 120Hz, output speed is up to 0~3500r/min on the basis of former constant torque characteristic is kept;It is dissipated using postposition plastic blade Heat, blade is closeer under equivalent weight, air quantity bigger, and it is more preferable to rotate lower heat dissipation effect at a high speed;Electromagnetic brake is by abandoning double open Mouth gasket means realize the adjusting that facilitates of wearing clearance, and the microswitch with safety protection function and tripping spring pressurization rank Iron construction;It releases braking stationary state manually by release lever, and is maintained at by mandril on the suitable gear of release lever, hand Dynamic release force is smaller, suitable for needing frequently to open to use on the lifting equipment of braking occasion.
Description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is the overlooking the structure diagram of the present invention;
Fig. 3 is the structure diagram of electromagnetic brake in the present invention;
Fig. 4 is the overlooking the structure diagram of electromagnetic brake in the present invention;
Fig. 5 be in Fig. 4 A-A to schematic cross-sectional view;
Fig. 6 is the configuration schematic diagram of electromagnetic brake in the present invention.
Wherein, 1, motor body, 2, terminal box, 3, output shaft, 4, lifting bolt, 5, mandril, 51, arc port, 6, plastics Fan blade, 7, protected enclosure, 71, limiting slot, 72, netted air inlet hole, 8, positioning bolt, 9, strong magnetic piece, 10, electromagnetic brake, 11, Electromagnet, 12, armature, 13, brake disc, 14, fixed disk, 15, dust cover, 16, spline housing, 17, end cap, 18, spacer, 19, double Be open gasket group, 20, bolt I, 21, bolt II, 22, bolt III, 23, bolt IV, 24, tripping spring, 25, U-shaped knob, 26, Release lever, 27, hammer nut, 28, self-clinching standoff, 29, O-ring, 30, microswitch, 31, protection board, 32, bolt assembly, 33rd, coil, 34, shift slot.
Specific embodiment:
As depicted in figs. 1 and 2, a kind of frequency control braking motor, including motor body 1, mandril 5 and release lever 26, motor The shell of body 1 is equipped with terminal box 2 and multiple lifting bolts 4, and the rear end of 1 output shaft 3 of motor body is arranged with plastic blade 6, the material of plastic blade 6 is nylon, and light-weight, rotating speed is big, and blade is closeer under equivalent weight, and air quantity is original 3 ~ 5 Times, electromagnetic brake 10, electromagnetic brake 10 and modeling are arranged on the output shaft 3 between motor body 1 and plastic blade 6 Material fan blade 6 is externally provided with protected enclosure 7, and the connection that protected enclosure 7 is fixed on 1 rear end of motor body by multiple positioning bolts 8 is convex On platform, connect and form air-out passage between boss, connection boss only plays the role of stationary positioned bolt 8, therefore can design compared with Small, to increase air-out passage, the rear end of protected enclosure is equipped with netted air inlet hole 72, so as to the source in 1 operational process of motor body Constantly blowing heat dissipation forward, protected enclosure 7 are equipped with limiting slot 71, are flexibly moved in manual releasing convenient for release lever 26 in source Dynamic, one end of release lever 26 is spaced on the release lever 26 and sets through being fixedly connected with electromagnetic brake 10 after limiting slot 71 There are multiple shift slots 34, one end of mandril 5 is flexibly connected with one of lifting bolt 4, and the other end of mandril 5 is equipped with and gear The arc port 51 that slot 34 coordinates, it is generally the case that can be realized when arc port 51 is placed in an intermediate shift slot 34 and release manually It puts.
As shown in Figures 3 to 6, electromagnetic brake includes electromagnet 11, fixed disk 14 and dust cover 15 with coil 33, Coil 33 is that one group of enameled wire being fixed in 11 inner annular circular groove of electromagnet, electromagnetism are poured by insulated paint with insulating frame The inner ring of iron 11 is equipped with end cap 17, and fixed disk 14 is stationary friction pair part, which is provided with multiple bolt I20, fixed Brake disc 13 is equipped between disk 14 and electromagnet 11, brake disc 13 is bonded by stainless steel or aluminium alloy body and special friction material Composition has great friction coefficient and low rate of wear, and can transfer the part of design torque, and the inner ring of brake disc 13 is equipped with spline Set 16 is equipped with armature 12 between brake disc 13 and electromagnet 11, multiple tripping springs 24 are equipped between armature 12 and electromagnet 11, For tripping spring 24 in the electromagnet 11, dust cover 15 is mounted to the close of fixed disk 14 and 11 its protective action of outer ring of electromagnet Sealing with 17 collective effect of end cap, prevents the dust entered from netted air inlet hole 72 and steam from being impacted to electromagnetic brake, The outer ring of electromagnet 11 is additionally provided with U-shaped knob 25, and the both ends of U-shaped knob 25 pass through bolt II21 and hammer nut 27 and armature 12 It is fixedly connected, hammer nut 27 is fixed by self-clinching standoff 28, and the center of U-shaped knob 25 is fixed with the end of release lever 26 to be connected It connects, multiple contour spacers 18 is equipped on armature 12, O-ring 29 is equipped between spacer 18 and armature 12, improves the tight of connection Close property, is equipped with double apertured gasket group 19 between spacer 18 and fixed disk 14, electromagnet 11 is equipped with bolt corresponding with spacer III22, bolt III22 are fixed on after passing through the opening of 19 one end of spacer 18 and double apertured gasket group on fixed disk 14, dual openings The opening of 19 other end of gasket group is fixed on by bolt IV23 on fixed disk 14.
When DC power supply is powered, the output shaft 3 of motor body 1 drives brake disc 13 and plastic blade 6 to rotate at a high speed, electromagnetism The electromagnetic attraction that iron 11 generates overcomes spring force, and the armature 12 being pressed on by tripping spring 24 in brake disc 13 is sucked electromagnet 11, two brake linings of brake disc 13 is made to be unclamped with the corresponding rubbing surface of armature 12 and fixed disk 14, the power of output shaft 3 is defeated Go out to machine tool work mechanism, such as transmission mechanism, distinguished and admirable the radiating to motor of the generation of plastic blade 6.
In addition, the electromagnetic brake 10 further includes at least one microswitch 30 that contact distance is set up in armature 12, it is micro- Dynamic switch 30 is fixed on by protection board 31 on electromagnet 11, and the lower section of microswitch 30 is equipped with bolt assembly with matching 32, bolt assembly 32 is fixedly connected after passing through electromagnet 11 with armature 12, and since the rotating speed of output shaft 3 is very fast, brake disc 13 exists It does not release and is easily worn when being run in the state of braking so that there are the security risk of cage tenesmus in work progress, but lead to Electronic feedback can be carried out by crossing the state of 30 monitoring bolt component 32 of microswitch, make elevator that can not open, so as to fulfill right The protection of brake disc 13.
The quantity of double apertured gasket is 5-8 pieces in double apertured gasket group 19, is preferably 6, and the thickness of every is 0.25mm, Occur wearing using brake disc after a period of time 13, it is necessary to when adjusting gap, only need to will be in multigroup double apertured gasket group 19 it is double Opening gasket respectively takes out a piece of, and the bolt of brake clearance part installation is adjusted without using specific purpose tool, significantly reduces mill Damage the difficulty of gap adjustment.
The shell of motor body 1 and the material of protected enclosure 7 are cast iron, improve the electromagnetic performance of braking motor entirety, Be not in resonance point during frequency response, stability and intensity are more preferable, and noise is lower, and mandril 5 is equipped with and is attracted with protected enclosure 7 Strong magnetic piece 9, lower absorption in the braking state had both been avoided that because rocking security risk occur, had been not easy to because hanging on protected enclosure 7 Ring screw 4 is loosened and lost.

Claims (6)

1. a kind of frequency control braking motor, it is characterised in that:Including motor body, mandril and release lever, the motor sheet The shell of body is equipped with terminal box and multiple lifting bolts, and the rear end of the motor body output shaft is arranged with plastic blade, position Electromagnetic brake, the electromagnetic brake and plastics wind are arranged on output shaft between the motor body and plastic blade Leaf is externally provided with protected enclosure, and the protected enclosure is fixed on by multiple positioning bolts on the connection boss of motor body rear end, Form air-out passage between the connection boss, the rear end of the protected enclosure is equipped with netted air inlet hole, on the protected enclosure Equipped with limiting slot, one end of the release lever through being fixedly connected with electromagnetic brake after limiting slot, on the release lever between Every equipped with multiple shift slots, one end of the mandril is flexibly connected with one of lifting bolt, and the other end of the mandril is set There is the arc port with shift slot cooperation.
2. frequency control braking motor according to claim 1, it is characterised in that:The electromagnetic brake is included with wired Electromagnet, fixed disk and the dust cover of circle, the inner ring of the electromagnet are equipped with end cap, and the fixed disk is equipped with multiple bolt I, Brake disc is equipped between the fixed disk and electromagnet, the inner ring of the brake disc is equipped with spline housing, the brake disc and electromagnetism Armature is equipped between iron, multiple tripping springs are equipped between the armature and electromagnet, the tripping spring is embedded in electromagnet, The dust cover is installed on the outer ring of fixed disk and electromagnet, and the outer ring of the electromagnet is additionally provided with U-shaped knob, the U-shaped drawing The both ends of hand are fixedly connected by bolt II and hammer nut with armature, and the hammer nut is fixed by self-clinching standoff, the U The center of type knob is fixedly connected with the end of release lever, and multiple spacers, the spacer and fixation are equipped on the armature Between disk be equipped with double apertured gasket group, the electromagnet be equipped with bolt III corresponding with spacer, the bolt III pass through every It is fixed on after the opening of set and double apertured gasket group one end on fixed disk, the opening of the double apertured gasket group other end passes through spiral shell Bolt IV is fixed on fixed disk.
3. frequency control braking motor according to claim 2, it is characterised in that:The electromagnetic brake further includes at least One microswitch, the microswitch are fixed on by protection board on electromagnet, and the lower section of the microswitch is equipped with therewith Matched bolt assembly, the bolt assembly are fixedly connected after passing through electromagnet with armature.
4. frequency control braking motor according to claim 2, it is characterised in that:Dual openings in the double apertured gasket group The quantity of gasket is 5-8 pieces, and the thickness of every is 0.25mm.
5. frequency control braking motor according to claim 1, it is characterised in that:The shell of the motor body and protection The material of case is cast iron, and the mandril is equipped with the strong magnetic piece being attracted with protected enclosure.
6. frequency control braking motor according to claim 1, it is characterised in that:The material of the plastic blade is Buddhist nun Dragon.
CN201810020844.0A 2018-01-10 2018-01-10 Variable-frequency speed-regulating braking motor Active CN108063521B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810020844.0A CN108063521B (en) 2018-01-10 2018-01-10 Variable-frequency speed-regulating braking motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810020844.0A CN108063521B (en) 2018-01-10 2018-01-10 Variable-frequency speed-regulating braking motor

Publications (2)

Publication Number Publication Date
CN108063521A true CN108063521A (en) 2018-05-22
CN108063521B CN108063521B (en) 2024-01-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566602A (en) * 2019-09-30 2019-12-13 松阳县吉强机车配件有限公司 Novel double-sided disc brake
CN110729848A (en) * 2019-10-23 2020-01-24 六安正辉优产机电科技有限公司 Brake structure of brake motor
CN117318376A (en) * 2023-11-28 2023-12-29 江苏泰隆高新传动设备有限公司 Variable frequency braking motor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201174638Y (en) * 2008-04-07 2008-12-31 叶贤庄 Motor braking device
CN203962798U (en) * 2014-06-10 2014-11-26 上海德驱驰电气有限公司 Electromotor brake handle release locking structure
CN204538888U (en) * 2015-05-06 2015-08-05 浙江奇力电机有限公司 A kind of high efficiency brake variable-frequency motor
CN204810050U (en) * 2015-06-05 2015-11-25 启东大同电机有限公司 Novel stopper of construction elevator motor
CN207994832U (en) * 2018-01-10 2018-10-19 启东大同电机有限公司 A kind of frequency control braking motor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201174638Y (en) * 2008-04-07 2008-12-31 叶贤庄 Motor braking device
CN203962798U (en) * 2014-06-10 2014-11-26 上海德驱驰电气有限公司 Electromotor brake handle release locking structure
CN204538888U (en) * 2015-05-06 2015-08-05 浙江奇力电机有限公司 A kind of high efficiency brake variable-frequency motor
CN204810050U (en) * 2015-06-05 2015-11-25 启东大同电机有限公司 Novel stopper of construction elevator motor
CN207994832U (en) * 2018-01-10 2018-10-19 启东大同电机有限公司 A kind of frequency control braking motor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110566602A (en) * 2019-09-30 2019-12-13 松阳县吉强机车配件有限公司 Novel double-sided disc brake
CN110729848A (en) * 2019-10-23 2020-01-24 六安正辉优产机电科技有限公司 Brake structure of brake motor
CN110729848B (en) * 2019-10-23 2020-12-11 深圳市踢踢电子有限公司 Brake structure of brake motor
CN117318376A (en) * 2023-11-28 2023-12-29 江苏泰隆高新传动设备有限公司 Variable frequency braking motor

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