CN107872115A - The motor of band brake - Google Patents

The motor of band brake Download PDF

Info

Publication number
CN107872115A
CN107872115A CN201710865621.XA CN201710865621A CN107872115A CN 107872115 A CN107872115 A CN 107872115A CN 201710865621 A CN201710865621 A CN 201710865621A CN 107872115 A CN107872115 A CN 107872115A
Authority
CN
China
Prior art keywords
opposite side
electromagnetic brake
motor
encoder
end wall
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
CN201710865621.XA
Other languages
Chinese (zh)
Other versions
CN107872115B (en
Inventor
伊佐治直哉
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.)
Nidec Instruments Corp
Original Assignee
Sankyo Seiki Manufacturing Co Ltd
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 Sankyo Seiki Manufacturing Co Ltd filed Critical Sankyo Seiki Manufacturing Co Ltd
Publication of CN107872115A publication Critical patent/CN107872115A/en
Application granted granted Critical
Publication of CN107872115B publication Critical patent/CN107872115B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02K7/106Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric brakes
    • 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21Devices for sensing speed or position, or actuated thereby
    • H02K11/215Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21Devices for sensing speed or position, or actuated thereby
    • H02K11/22Optical devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K3/00Details of windings
    • H02K3/46Fastening of windings on the stator or rotor structure
    • H02K3/50Fastening of winding heads, equalising connectors, or connections thereto
    • 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
    • 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
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • 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
    • H02K7/08Structural association with bearings
    • H02K7/083Structural association with bearings radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

A kind of motor of band brake, the radial dimension of the electromagnetic brake in motor case body can be increased.The motor (1) of band brake includes the motor field frame (5) by motor part (9) and electromagnetic brake (10) collecting and the rotating shaft (6) rotated integrally with the rotor (7) of motor part.Electromagnetic brake is located at the opposite side of output (L2) of motor part.Motor field frame includes the side of sidewall portion (13) for surrounding electromagnetic brake and from exporting the opposite side wall portion (15) of opposite side (L2) output relative with electromagnetic brake.Export opposite side wall portion and be provided with the abutting part (89) abutted with electromagnetic brake and the recess (90) being recessed compared with abutting part towards the opposite side (L2) of output with the relative opposite faces of electromagnetic brake (15a).Wire (21) is brought out from electromagnetic brake towards opposite side (L2) is exported, and is pulled around in recess to the second lead division (22) of the side of sidewall portion (13) of motor field frame (5).

Description

The motor of band brake
Technical field
The present invention relates to the axis direction along rotating shaft be configured with stator, electromagnetic brake band brake motor.
Background technology
A kind of motor of band brake is recorded in patent document 1, the motor of the band brake is in order to prevent During stopping rotating shaft with load together with rotate and including electromagnetic brake.The motor of the band brake of above-mentioned document includes:Rotor; Stator, the stator surround rotor from outer circumferential side;Electromagnetic brake;Motor field frame, the motor field frame to rotor, stator and Electromagnetic brake is housed;And rotating shaft, the rotating shaft and rotor rotate integrally and make the end of outlet side from motor field frame It is protruding to the outside.Electromagnetic brake is located at the opposite side of output of stator and countershaft is braked.
Motor field frame includes:Side of sidewall portion, the side of sidewall portion are located at the outer circumferential side of stator and electromagnetic brake;Outlet side end wall Portion, the delivery side wall portion are relative with stator from outlet side;And the opposite side wall portion of output, the opposite side wall portion of the output from It is relative with electromagnetic brake to export opposite side.
Side of sidewall portion includes lead division, and the lead division is used to the supply lines of electromagnetic brake leading to outside.Supply lines from The outside of electromagnetic brake radially is brought out.In addition, supply lines is in the outer peripheral face and motor field frame located at electromagnetic brake Side of sidewall portion inner peripheral surface between gap in pull around until lead division, and be drawn to outside from lead division.
Prior art literature
Patent document
Patent document 1:Japanese Patent Laid-Open 9-322475 publications
The content of the invention
In the motor of the band brake described in patent document 1, the gap for pulling around supply lines is located at motor case The inner circumferential side of the side of sidewall portion of body.Thus, electromagnetic brake can not be made in motor case body with degree corresponding with the gap Diametrically increase, so that the brake force of electromagnetic brake can not be improved.
In view of the above problems, there is provided a kind of motor of band brake, the electronic function increase of the band brake are electronic The radial dimension of electromagnetic brake in casing body.
In order to eliminate above-mentioned technical problem, the motor of band brake of the invention includes:Rotor;Stator, the stator from Outer circumferential side surrounds above-mentioned rotor;Electromagnetic brake;Motor field frame, the motor field frame to above-mentioned rotor, said stator and Above-mentioned electromagnetic brake is housed;And rotating shaft, the rotating shaft rotate integrally with above-mentioned rotor and make the end of outlet side from upper State that motor field frame is protruding to the outside, above-mentioned electromagnetic brake is located at the opposite side of output of said stator, and above-mentioned rotating shaft is entered Row braking, above-mentioned motor field frame includes side of sidewall portion and end wall, wherein, above-mentioned side of sidewall portion is from outer circumferential side by above-mentioned electromagnetic braking Device surrounds, and opposite side is relative with above-mentioned electromagnetic brake, and above-mentioned side of sidewall portion includes lead division, the extraction from exporting for above-mentioned end wall Portion is used to the supply lines of above-mentioned electromagnetic brake leading to outside, and above-mentioned end wall is in the phase relative with above-mentioned electromagnetic brake Abutting part and recess are provided with to face, wherein, above-mentioned abutting part abuts with above-mentioned electromagnetic brake, and above-mentioned recess abuts with above-mentioned Portion is compared towards opposite side depression is exported, and above-mentioned supply lines is brought out from above-mentioned electromagnetic brake towards opposite side is exported, above-mentioned power supply Line is pulled around in above-mentioned recess to above-mentioned lead division.
In the present invention, the supply lines of electromagnetic brake is brought out from electromagnetic brake towards opposite side is exported.In addition, from electricity Magnetic brake pulls around towards the supply lines that opposite side is brought out is exported in the recess located at the end wall of motor field frame, and from setting Outside is led in the lead division of the side of sidewall portion of motor field frame.Thereby, the inner peripheral surface without the side of sidewall portion in motor field frame Gap is set between the outer peripheral face of electromagnetic brake, thus can make electromagnetic brake with the absence of the corresponding journey in above-mentioned gap Degree diametrically increases.If here, making electromagnetic brake diametrically increase, improving the brake force of electromagnetic brake can become Easily.In addition, by making electromagnetic brake diametrically increase, the brake force of electromagnetic brake can be improved, therefore, even in making In the case that electromagnetic brake shortens on the axis direction of rotating shaft, obtaining necessary brake force by electromagnetic brake can also become Obtain easily.
In the present invention, it may be desirable to, there is bearing, the bearing is located at the position by the opposite side of output than said stator Put, and by above-mentioned shaft support into that can rotate, above-mentioned electromagnetic brake includes solenoid, the solenoid includes:The yoke of ring-type, The yoke includes the centre bore run through for above-mentioned rotating shaft;And coil, the coil are annular in shape in a manner of surrounding above-mentioned centre bore Above-mentioned yoke is wound in, the opening edge portion of the above-mentioned centre bore positioned at the end for exporting opposite side of above-mentioned yoke is formed Towards the annular recessed portion of above-mentioned outlet side depression, above-mentioned end wall includes through hole, and the through hole is for the opposite side of output of above-mentioned rotating shaft End is run through, and the outer ring of above-mentioned bearing is supported by inner peripheral surface, and the above-mentioned opposite faces of above-mentioned end wall are upper Stating the edge of opening of through hole includes ring-type teat, and the ring-type teat protrudes towards than position of the above-mentioned abutting part by above-mentioned outlet side, Above-mentioned ring-type teat includes outer ring abutting part in the end of above-mentioned outlet side, and the outer ring abutting part protrudes towards inner circumferential side, and from upper The outer ring that outlet side is stated with above-mentioned bearing abuts, and above-mentioned ring-type teat inserts above-mentioned annular recessed portion, above-mentioned abutting part and above-mentioned yoke The end face of the opposite side of output of iron abuts, and above-mentioned outer ring abutting portion is in above-mentioned annular recessed portion.
, can will be to bearing in this way, when the end wall by motor field frame is to keep bearing that countershaft is supported The outer ring abutting part that is limited of movement of outer ring towards outlet side when being configured at from the direction with axis vertical take-off and electromagnetism The overlapping position of brake.Thus, with outer ring abutting portion in the situation phase than electromagnetic brake by the position of the opposite side of output Than the bearing of axis direction can be made to be located proximate to stator and electromagnetic brake.Thus, make the motor of band brake in axis Miniaturization becomes easy on direction.
In the present invention, it may be desirable to, including bearing fixing component, the bearing fixing component is from exporting opposite side peace Abutted loaded on above-mentioned end wall, and from opposite side is exported with the outer ring of above-mentioned bearing.In this way, shifting of the outer ring of bearing towards outlet side It is dynamic to be limited by outer ring abutting part, limited towards the movement for exporting opposite side by bearing fixing component.Thus, with being entered using bonding agent etc. The fixed situation of row is compared, and can be securely fixed the outer ring of bearing in the axial direction.
In the present invention, it may be desirable to, above-mentioned annular recessed portion from axis direction when contour shape be round Shape, above-mentioned ring-type teat from above-mentioned axis direction when contour shape be circular, inserted in above-mentioned ring-type teat above-mentioned In the state of annular recessed portion, above-mentioned electromagnetic brake is chimeric with above-mentioned end wall in a manner of it can be rotated around above-mentioned axis.In this way, When being connected after the supply lines of electromagnetic brake is drawn from the lead division of motor field frame to outside with extension wire etc., It can rotate about the axis electromagnetic brake with by the lead division of the extraction location of the supply lines of electromagnetic brake and motor field frame Be configured at close position, so as to by supply lines it is longer be drawn out to the outside of motor field frame and carried out with extension with wire etc. Connection.In addition, after supply lines is connected with extension with wire, electromagnetic brake can be made to be rotated in the opposite direction around axis with Make the supply lines of electromagnetic brake extraction location and motor field frame lead division it is remote, so as to which supply lines is pulled in into motor In housing.In addition, the ring-type teat of the end wall of motor field frame is inserted into the annular recessed portion of yoke and is allowed to chimeric, therefore energy Diametrically motor field frame and yoke are positioned.Further, since ring-type teat inner circumferential side to by shaft support into energy The bearing of rotation is kept, therefore, by the annular recessed portion that the ring-type teat of the end wall of motor field frame is inserted to yoke And it is allowed to chimeric, motor field frame, yoke and rotating shaft are set into coaxial state is relatively easy to.
In the present invention, following structure can be used:It is provided with stage portion in above-mentioned recess, the stage portion is from above-mentioned recess Bottom surface protrudes towards outlet side, and above-mentioned stage portion includes the outer peripheral face around axis towards the arc-shaped of outer circumferential side, and above-mentioned supply lines exists The outer peripheral face of the above-mentioned above-mentioned stage portion of recess interior edge is directed.In this way, wire can be pulled around in the path of recess interior edge circular arc.
In the present invention, it may be desirable to, there is encoder, rotation of the encoder to above-mentioned rotating shaft detects, Above-mentioned encoder includes:Magnet, the magnet are installed on the end of the opposite side of output of above-mentioned rotating shaft;Encoder main body, the coding Device main body includes Magnetic Sensor;And encoder housing, the encoder housing cover above-mentioned encoder main body, above-mentioned end wall Above-mentioned stage portion above-mentioned axis direction the above-mentioned end wall of thickness ratio above-mentioned recess above-mentioned axis direction thickness it is big, The position overlapping with above-mentioned stage portion in the case of from above-mentioned axis direction of above-mentioned end wall includes the first screw hole, Above-mentioned encoder main body is fixed on above-mentioned end wall by the first screw, above-mentioned first screw with along above-mentioned axis direction through upper The mode for stating encoder main body is screwed into above-mentioned first screw hole, and above-mentioned encoder housing is installed on above-mentioned end wall from opposite side is exported Portion, and zoning goes out the collecting sky housed to above-mentioned encoder main body between above-mentioned encoder housing and above-mentioned end wall Between.If including encoder, can the rotary angle position of countershaft detected, drive the motor of band brake and it entered Row control.In addition, in this way, the axis direction of the stage portion guided in recess to the supply lines of electromagnetic brake can be utilized Thickness so that encoder main body is fixed on into motor field frame.
In this case, it may be desirable to, above-mentioned end wall is provided with second in the outer circumferential side of above-mentioned first screw hole Screw hole, above-mentioned encoder housing are fixed on above-mentioned end wall by the second screw, and above-mentioned second screw is with along above-mentioned axis side Above-mentioned second screw hole is screwed into the mode through above-mentioned encoder housing, between above-mentioned end wall and above-mentioned encoder housing Accompany flexible sealing component.In this way, due to that can prevent liquid from entering receiving space by flexible sealing component, therefore can protect Influence of the encoder main body from the water droplet of outside etc..Here, even if it is clipped in elastic close between end wall and encoder housing Envelope component is in the state of elastic compression because of the fastening of the second screw, causes encoder housing to produce strain, due to encoder Housing is split with encoder main body and is individually fixed in end wall, therefore the strain of encoder housing also will not be to encoder master The posture of body has an impact.Thereby, due to being installed on the position relationship quilt of the magnet of rotating shaft and the Magnetic Sensor of encoder main body Maintain, therefore can be detected by the rotation of encoder accurately countershaft.
According to the present invention, the supply lines of electromagnetic brake is brought out from above-mentioned electromagnetic brake to opposite side is exported, and Pulled around in the recess of the end wall of the relative motor field frame in the opposite side of output with electromagnetic brake, and from motor case The side of sidewall portion of body is brought out towards outside.Thereby, pulled around without being set between the side of sidewall portion and electromagnetic brake of motor field frame The gap of supply lines, therefore electromagnetic brake can be made diametrically to increase with corresponding degree.
Brief description of the drawings
Fig. 1 is the stereoscopic figure for the motor for applying the band brake of the present invention.
Fig. 2 is the sectional view of the motor of Fig. 1 band brake.
Fig. 3 is the exploded perspective view of the motor for the band brake for exposing encoder main body.
Fig. 4 be from the motor body for exporting opposite side observation band brake when stereogram.
Stereogram when Fig. 5 is the yoke of electromagnetic brake from opposite side is exported.
Stereogram and plan when Fig. 6 (a) and Fig. 6 (b) is the second housing from outlet side.
Fig. 7 is the second housing and stereogram during bearing (setting) plate from opposite side is exported.
(symbol description)
The motor of 1 band brake;The motor body of 2 band brakes;3 encoders;5 motor field frames;6 rotating shafts;6a Large-diameter portion;6b central diameters portion;6c minor diameter parts;6d central diameters portion;6e minor diameter parts;6f shaft ends;7 rotors;8 stators;9 motor parts;10 Electromagnetic brake;The side of sidewall portion of 13 motor field frames;13a sidewall sections;14 delivery side wall portions;The opposite side wall portion of 15 outputs (end wall);15a opposite faces;15b end face portions;16 output side through hole;The opposite side through hole of 17 outputs;20 first lead divisions;21 Wire from electromagnetic brake;21a extraction locations;22 second lead divisions (lead division);25 first housings;26 second housings; 27 the 3rd housings;30 magnet;31 magnet keepers;31a cylinders portion;31b wide diameter portions;32 encoder main bodies;33 encoder housings;34 Receiving space;36 Magnetic Sensors;37 sensor base plates;38a keeper cylinders portion;38b keeper flange parts;38 substrate holders; 39 covers;40 encoder main body fixing screws (the first screw);43 base plates;44 annular plate sections;44a protection portion;45 flange parts; The wire of 46 encoders;47 connector portions;48 housing fixing screws (the second screw);49 housing fixing hole;53 elasticity are close Seal component;53a annulus;53b protuberances;64 rotor magnets;66 stator cores;67 insulators;68 coils;71 stage portions;72 Bearing;72a outer rings;72b inner rings;73 pressing springs;75 friction plates;76 armatures;77 detent plates;78 solenoids;79 centre bores; 80 yokes;The end face of the opposite side of output of 80a yokes;81 coils;82 annular recessed portions;83 yoke screw holes;86 bearings;Outside 86a Circle;86b inner rings;88 ring-type teats;88a circular protrusions (outer ring abutting part);89 abutting parts;90 recesses;91 stage portions;Outside 91a Side face;92 opening portions;95 encoder housing abutting parts;96 housing fixing screw holes (the second screw hole);97 circular steps Portion;97a annular shape step end surfaces;98 rectangular step portions;98a rectangular step end surfaces;99 containment member mounting surfaces;101 systems Dynamic device fixing hole;101a large diameter holes part;101b path bore portions;103 circular depressions;104 stage portions;105 bearings are fixed Plate;105a annular plate sections;105b protrudes plate portion;107 encoder main body fixing screw holes (the first screw hole);H1 outputs are opposite The thickness of the stage portion of side wall portion;H2 exports the thickness of the recess of opposite side wall portion;L axis;L1 outlet sides;L2 exports phase Toss about.
Embodiment
Referring to the drawings, one of motor of the band brake to applying the present invention illustrates.In addition, following In explanation, the outlet side of the motor of band brake is set to L1, opposite side will be exported and be set to L2.
(overall structure)
Fig. 1 is the stereoscopic figure for the motor for applying the band brake of the present invention.Fig. 2 is Fig. 1 band brake The sectional view of motor.Fig. 3 is the exploded perspective view of the motor for the band brake for exposing encoder main body.Fig. 4 is from defeated Go out the stereogram during motor body of opposite side observation band brake.
As depicted in figs. 1 and 2, the motor 1 of the band brake of present embodiment includes the motor body 2 of band brake With encoder 3, the encoder 3 is fixed on the opposite side L2 of output of the motor body 2 of band brake.The motor of band brake Main body 2 includes:Motor field frame 5, the motor field frame 5 are in rectangular shape;And rotating shaft 6, the rotating shaft 6 is from motor field frame 5 outlet side L1 end face protrudes forward.Motor part 9 and electromagnetic brake 10 are contained in the inside of motor field frame 5. Motor part 9 includes rotor 7 and stator 8.Rotating shaft 6 rotates integrally with rotor 7.Electromagnetic brake 10 is located at the defeated of motor part 9 Go out opposite side L2 to be braked with countershaft 6.
As shown in Fig. 2 motor field frame 5 includes:Side of sidewall portion 13, the side of sidewall portion 13 are located at motor part 9 and electromagnetic braking The outer circumferential side of device 10;Delivery side wall portion 14, the delivery side wall portion 14 are relative with motor part 9 from outlet side L1;It is and defeated Go out opposite side wall portion 15 (end wall), the opposite side wall portion 15 of the output is from exporting opposite side L2 and the phase of electromagnetic brake 10 It is right.Delivery side wall portion 14 includes the output side through hole 16 run through for rotating shaft 6.Exporting opposite side wall portion 15 includes supplying rotating shaft 6 The opposite side through hole 17 of output run through.As shown in figure 4, rotating shaft 6 is via exporting opposite side through hole 17 towards the outside of motor field frame 5 Expose.
The first lead division 20 and the second lead division 22 (lead division) are provided with side of sidewall portion 13, wherein, above-mentioned first lead division Wire (not shown) from motor part 9 is led to outside by 20, and above-mentioned second lead division 22 is used to that electromagnetic braking will to be come from The wire 21 of device 10 leads to outside.First lead division 20 and the second lead division 22 are located in the case of from axis L directions In overlapping position.Motor field frame 5 includes:First housing 25, first housing 25 are cylindrical in shape, and including in side of sidewall portion 13 The sidewall sections that will be surrounded around motor part 9;Second housing 26, second housing 26 include in side of sidewall portion 13 by electromagnetism The sidewall sections 13a surrounded around brake 10, and including exporting opposite side wall portion 15;And the 3rd housing 27, this Three housings 27 include delivery side wall portion 14.First lead division 20 is located at the first housing 25, and the second lead division 22 is located at second shell Body 26.Encoder 3 is installed on the second housing 26.
Encoder 3 includes:Magnet 30, the magnet 30 are installed on rotating shaft 6 via magnet keeper 31 as shown in Figure 2, Figure 4 shows Export opposite side L2 end;Encoder main body 32, the encoder main body 32 is as shown in Figure 2 and Figure 3 from the opposite side L2 installations of output In the opposite side wall portion 15 of the output of motor field frame 5;And encoder housing 33, the encoder housing 33 is from exporting opposite side L2 is installed on the opposite side wall portion 15 of output.Encoder housing 33 the opposite side wall portion 15 of output with motor field frame 5 it Between zoning go out the receiving space 34 housed to encoder main body 32.
As shown in figure 4, magnet keeper 31 includes:Cylinder portion 31a, this tin portion 31a are secured by bolts in the end of rotating shaft 6 Outer peripheral face;And wide diameter portion 31b, wide diameter portion 31b are in the cylinder portion 31a opposite side L2 enlarged-diameters of output.In wide diameter portion 31b The opposite side L2 of output surface be fixed with magnet 30, the N poles of the magnet 30 and S, which extremely respectively magnetize, one.Magnet keeper 31 Formed by magnetic materials such as ferrous metals.
As shown in Figures 2 and 3, encoder main body 32 includes:Sensor base plate 37, the sensor base plate 37 include magnetic resistance member The Magnetic Sensors such as part 36;Substrate holder 38, the substrate holder 38 are formed by nonmagnetic substances such as resins;And the cover of hat type 39.Substrate holder 38 includes:Keeper cylinder portion 38a, keeper cylinder portion 38a will be surrounded around magnet keeper 31;With And keeper flange part 38b, the keeper flange part 38b expand from keeper cylinder portion 38a outlet side L1 ora terminalis towards outer circumferential side Exhibition.In the keeper cylinder portion 38a opposite side L2 of output end biography is fixed with a manner of making Magnetic Sensor 36 towards outlet side Sensor substrate 37.Substrate holder 38 passes through the encoder master taken the lead from the opposite side L2 of output through keeper flange part 38b Body fixing screw 40 (the first screw) is fixed on the opposite side wall portion 15 of output.When substrate holder 38 is fixed on output conversely During the wall portion 15 of side, Magnetic Sensor 36 is relative with magnet 30.Cover 39 is fixed on encoder housing 33, and from outer circumferential side and exports phase The L2 that tosses about covers to sensor base plate 37.
Encoder housing 33 is formed by nonmagnetic substances such as resins.As shown in figure 3, encoder housing 33 includes:Base plate 43, the base plate 43 is rounded, and the opposite side L2 one end of the output to encoder housing 33 provides;Annular plate section 44, should Annular plate section 44 extends from the outer peripheral edge of base plate 43 towards outlet side L1;And flange part 45, the flange part 45 is with fixed width Spend from the outlet side L1 of annular plate section 44 ora terminalis towards outer circumferential side and extend.Protection is provided with a circumferential part for annular plate section 44 Portion 44a, protection portion 44a cover to connector portion 47, and the connector portion 47 is used for leading for self-encoding encoder main body in future 32 Line 46 is connected with the wire of outside.Encoder housing 33 is fixed by four housing taken the lead fixing screws 48 (the second screw) In exporting opposite side wall portion 15, above-mentioned housing fixing screw 48 is formed through the shell of flange part 45 from opposite side L2 is exported Body fixing hole 49.
Here, accompanied between the side wall portion 15 opposite with output of encoder housing 33 flexible sealing component 53 of ring-type with Receiving space 34 is sealed.Flexible sealing component 53 is exporting generation elasticity between opposite side wall portion 15 and flange part 45 Deformation.Flexible sealing component 53 prevents the liquid such as water droplet from invading receiving space 34 from outside.In addition, encoder main body 32 is installed The second housing 26 use the nonmagnetic substance such as aluminium.Thus, it can prevent the magnetic flux from electromagnetic brake 10, motor part 9 from passing through The side of encoder 3 is leaked into by the second housing 26.
In the encoder 3 formed in the above described manner, when magnet 30 rotates along with the rotation of rotating shaft 6, magnetic sensing Device 36 can detect to the changes of magnetic field along with above-mentioned rotation.The testing result of Magnetic Sensor 36 exports via wire 46, And the outside of encoder housing 33 is output to via connector portion 47.In addition, in encoder 3, magnet keeper 31 passes through spiral shell Nail etc. is installed on rotating shaft 6, and encoder main body 32 and encoder housing 33 pass through screw (encoder main body fixing screw respectively 40th, housing fixing screw 48) it is fixed on motor field frame 5.That is, encoder 3 is with can be relative to the electronic owner of band brake The mode that body 2 is assembled and disassembled is fixed.
(motor part)
As shown in Fig. 2 rotor 7 includes the rotor magnet 64 being fixed in around rotating shaft 6.Stator 8 is cylindrical in shape, from outer circumferential side Rotor 7 is surrounded.Stator 8 is surrounded by the first housing 25 from outer circumferential side.First housing 25 is formed by magnetic materials such as ferrous metals. In rotating shaft 6, the part fixed for rotor magnet 64 is the large-diameter portion 6a of largest outside diameter.Rotating shaft 6 is from large-diameter portion 6a to outlet side L1 is successively including the minor diameter part 6c external diameter central diameter portion 6b smaller than large-diameter portion 6a and external diameter smaller than central diameter portion 6b.In addition, rotating shaft 6 from Large-diameter portion 6a includes small smaller than central diameter portion 6d of the external diameter central diameter portion 6d smaller than large-diameter portion 6a, external diameter successively to opposite side L2 is exported The footpath portion 6e and external diameter shaft end 6f smaller than minor diameter part 6e.
Stator 8 includes:Stator core 66, the stator core 66 are made up of laminated iron core;And coil 68, the coil 68 pass through Multiple salient pole of stator core 66 are wrapped around by insulator 67.The methods of stator core 66 is fitted together to by hot pressing is fixed on The inner side of one housing 25.In the opposite side L2 of output of stator 8 end, the motor base plate for being powered to coil 68 (is not schemed Showing) insulated body 67 supports.The wire (not shown) including supply lines etc. is connected with motor base plate, wire draws via first Go out the outside that portion 20 leads to motor field frame 5.
3rd housing 27 is the tabular component for forming delivery side wall portion 14.3rd housing 27 leads in center including outlet side Hole 16.3rd housing 27 is made up of aluminium casting etc., and by weld etc. be fixed on the first housing 25 outlet side L1 end. The opposite side L2 of output of the output side through hole 16 of 3rd housing 27 (delivery side wall portion 14) is provided with exporting opposite side L2's The stage portion 71 of ring-type.The outer ring 72a of bearing 72 is maintained in above-mentioned stage portion 71, and above-mentioned bearing 72 is by the outlet side of rotating shaft 6 L1 part, which is supported to, to rotate.Outer ring 72a is positioned by stage portion 71 radially and on axis L directions.Bearing 72 it is interior Circle 72b is fixed in rotating shaft 6.For specifically, the inner ring 72b of bearing 72 is with by between large-diameter portion 6a and central diameter portion 6b The state of the outer peripheral face of rotating shaft 6 is positioned at towards outlet side L1 stage portion, by being pressed into, being bonded and fixed to rotating shaft 6.In bearing 72 and the 3rd are configured with pressing spring 73 between housing 27.
(electromagnetic brake)
Stereogram when Fig. 5 is the yoke of electromagnetic brake 10 from opposite side L2 is exported.As shown in Fig. 2 electromagnetic system Dynamic device 10 includes:Friction plate 75, the friction plate 75 rotate integrally in annular shape with rotating shaft 6;Armature 76, the armature 76 is in circle Ring-type, and it is relative with friction plate 75 exporting opposite side L2;Detent plate 77, the detent plate 77 are exporting in annular shape Side L1 is relative with friction plate 75;And solenoid 78, the solenoid 78 is cylindrical, and matches somebody with somebody in the opposite side L2 of output of armature 76 Put around rotating shaft 6.Solenoid 78 includes:Yoke 80, the yoke 80 is annular in shape, and the centre bore including running through for rotating shaft 6 79;And coil 81, the coil 81 are annularly wound in yoke 80 in a manner of surrounding centre bore 79.As shown in figure 5, yoke 80 The opposite side L2 of the output end face 80a opening edge portion of centre bore 79 form the annular recessed portion towards outlet side L1 depressions 82.Annular recessed portion 82 from axis L directions when contour shape be circular.Wire 21 from electromagnetic brake 10 towards output phase The L2 that tosses about is brought out.In other words, wire 21 is brought out when from axis L directions from the position overlapping with yoke 80.Leading Line 21 includes the supply lines being powered to coil 81.In the opposite side L2 of output of yoke 80 end face 80a periphery edge Angle of grading compartment of terrain is provided with three yoke screw holes 83.
Here, being built-in with torsion spring (not shown) in electromagnetic brake 10, the torsion spring to armature 76 to friction plate 75 from exerting a force Helical spring form.Thus, the coil 81 of solenoid 78 is not powered it is non-energized when (during non-excitation), by torsion spring come Friction plate 75 is clipped between armature 76 and detent plate 77, as a result, because of above-mentioned frictional force and countershaft 6 is applied with load Lotus.Thereby, the rotation of rotating shaft 6 is limited.In contrast, in the energization that the coil 81 to solenoid 78 is powered (during excitation), Armature 76 resists torsion spring and is attracted to solenoid 78, as a result, gap can be produced between armature 76 and friction plate 75, so that Friction plate 75 becomes freely.Thus, rotating shaft 6 can rotate around axis L.
(the second housing)
Stereogram when Fig. 6 (a) is the second housing 26 from outlet side L1, Fig. 6 (b) are second from outlet side L1 Plan during housing 26.Fig. 7 is the second housing 26 and exploded perspective during bearing (setting) plate 105 from opposite side L2 is exported Figure.As shown in Fig. 6 (a) and Fig. 6 (b), the second housing 26 includes the sidewall sections 13a (outputs of the side of sidewall portion 13 of motor field frame 5 Opposite side L2 end) and opposite side wall portion 15 is exported, wherein, above-mentioned sidewall sections 13a is from outer circumferential side by electromagnetic brake 10 coverings.Sidewall sections 13a includes the second lead division 22.Opposite side wall portion 15 is exported in the central portion to divide including exporting conversely Side through hole 17.
The opposite faces 15a relative with electromagnetic brake 10 for exporting opposite side wall portion 15 is provided with ring-type teat 88, should Ring-type teat 88 protrudes from the edge of opening for exporting opposite side through hole 17 towards outlet side L1.From axis L directions ring-type dash forward Contour shape during portion 88 is corresponding with the contour shape of the annular recessed portion 82 of the yoke 80 located at electromagnetic brake 10 circular. In addition, opposite faces 15a includes three abutting parts 89 abutted with electromagnetic brake 10.Here, ring-type teat 88 and abutting part 89 are compared towards outlet side L1 protrusions, and the outer peripheral face of three abutting parts 89 from ring-type teats 88 is radial to be extended to outer peripheral side.Three Individual abutting part 89 is equiangularly spaced to be set around axis L.
In addition, opposite faces 15a includes three recesses 90.Each recess 90 is in circular shape, and positioned at adjacent in the circumferential Two abutting parts 89 between.It is provided with stage portion 91 in the recess 90, the stage portion 91 is from the bottom surface of above-mentioned recess 90 towards output Side L1 is protruded.Each stage portion 91 is included in recess 90 around the outer peripheral face 91a of arc-shapeds of the axis L towards outer circumferential side.Three recessed A recess 90 in portion 90 includes the opening portion 92 connected with the second lead division 22.
As shown in Fig. 2 ring-type teat 88 includes circular protrusion 88a (outer ring abutting part), circular protrusion 88a is in outlet side L1 end protrudes towards inner circumferential side.Here, from opposite side L2 is exported inserted with bearing 86, the axle in opposite side through hole 17 is exported Hold 86 the opposite side L2 of output of rotating shaft 6 part is supported to and can rotated.The inner peripheral surface and ring-type for exporting opposite side through hole 17 are dashed forward The inner peripheral surface in portion 88 supports from outer circumferential side to the outer ring 86a of bearing 86.In addition, circular protrusion 88a is from outlet side L1 and axle Hold 86 outer ring 86a to abut in the direction of the axisl to position outer ring 86a, and limit outer ring 86a and moved towards outlet side L1 Dynamic situation.
The inner ring 86b of bearing 86 is fixed in rotating shaft 6.For specifically, the inner ring 86b of bearing 86 is with by central diameter portion 6d Direction between minor diameter part 6e export opposite side L2 stage portion be positioned at rotating shaft 6 outer peripheral face state, by being pressed into, gluing Connect and be fixed on rotating shaft 6.
Second housing 26 turns into following state, i.e. ring-type teat 88 inserts the output located at yoke 80 of electromagnetic brake 10 Opposite side L2 end face 80a annular recessed portion 82, so that the state that abutting part 89 abuts with the end face 80a of yoke 80.In ring-type Teat 88 insert annular recessed portion 82 in the state of, electromagnetic brake 10 by can around axis L rotate in a manner of with the opposite side of output Wall portion 15 is chimeric.
When ring-type teat 88 is inserted into annular recessed portion 82, from electromagnetic brake 10 towards the wire of the opposite side L2 extractions of output 21 (reference pictures 5) pull around in the opposite faces 15a recess 90 provided with opening portion 92, and are drawn via opening portion 92 and second Drawn towards the outside of motor field frame 5 in portion 22.When wire 21 pulls around in recess 90, outer peripheral face that wire 21 passes through stage portion 91 91a is directed in recess 90.Thus, shown in the dotted line in such as Fig. 6 (a) and Fig. 6 (b) of wire 21 in arc-shaped in recess 90 Pull around.
Here, in the state of ring-type teat 88 inserts annular recessed portion 82, electromagnetic brake 10 can be opposite relative to output Side wall portion 15 rotates around axis L.Thus, in the second lead division by the wire 21 of electromagnetic brake 10 from motor field frame 5 22 are drawn out to after outside when be connected with extension wire (not shown) etc., can make electromagnetic brake 10 around axis L rotations with shape Match somebody with somebody into by the extraction location 21a of the wire 21 of electromagnetic brake 10 and motor field frame 5 the second lead division 22 (opening portion 92) The state for the position being disposed adjacent to, so as to by wire 21 it is longer lead to the outside of motor field frame 5 and be attached.This Outside, after wire 21 is connected with extension with wire, electromagnetic brake 10 can be made to be rotated in the opposite direction around axis L so that electricity The extraction location 21a of the wire 21 of magnetic brake 10 and motor field frame 5 the second lead division 22 separate, so as to which wire 21 be drawn Enter in motor field frame 2 (in recess 90).
In addition, as shown in fig. 7, the direction for exporting opposite side wall portion 15 exports opposite side L2 end face portion 15b in periphery Include encoder housing abutting part 95, encoder housing 33 and above-mentioned encoder housing abutting part 95 at circumferential three of edge point Abut.Each encoder housing abutting part 95 is in circular arc, and is extended with outer peripheral edge portion of the fixed width along the second housing 6. Three encoder housing abutting parts 95 are equiangularly spaced to be set around axis L.Housing is provided with each encoder housing abutting part 95 Fixing screw hole 96 (the second screw hole), the housing fixing screw hole 96 are used to encoder housing 33 be fixed.
The circular stage portion 97 of fixed width, the circular step are provided with the inner circumferential side of encoder housing abutting part 95 Portion 97 is recessed from encoder housing abutting part 95 towards outlet side L1.In addition, it is located at three encoder housing abutting parts in the circumferential Part between 95 is provided with towards the rectangular step portion 98 of outlet side L1 depressions.Direction in circular stage portion 97 exports opposite side L2 circular step end surface 97a side L2s opposite with the direction output in rectangular step portion 98 rectangular step end surface 98a It is in the same plane that to have no layer poorly continuous.Circular step end surface 97a and rectangular step end surface 98a forms mounting bullet The containment member mounting surface 99 of property containment member 53.
Boundary portion between the circular step end surface 97a of containment member mounting surface 99 and rectangular step portion 98 sets up separately There is brake fixing hole 101, the brake fixing hole 101 is used to electromagnetic brake 10 being fixed on the second housing 26.Electricity Magnetic brake 10 is fixed on the second housing 26, above-mentioned brake fixing screw by the brake fixing screw 102 taken the lead 102 are screwed into the (reference picture of yoke screw hole 83 of electromagnetic brake 10 from opposite side L2 is exported through brake fixing hole 101 5).Brake fixing hole 101 includes large diameter hole part 101a and path bore portion from opposite side L2 is exported to outlet side L1 101b, above-mentioned large diameter hole part 101a insert for the head of brake fixing screw 102, and above-mentioned path bore portion 101b is for system The axle portion of dynamic device fixing screw 102 runs through.
The circular depressions 103 towards outlet side L1 depressions are provided with the inner circumferential side of circular stage portion 97.Opposite side is exported to lead to Hole 17 is located at the center of the bottom surface of circular depressions 103.The outer ring 86a of bearing 86 is maintained in the opposite side through hole 17 of output.
It is provided with three breach stage portions 104 in the bottom surface of circular depressions 103, the breach stage portion 104 is with from output phase Toss about the side of through hole 17 to outer peripheral side otch and set.Three breach stage portions 104 be equiangularly spaced around axis L-shaped into. This, bearing (setting) plate 105 (bearing fixing component) is fixed with three breach stage portions 104 by screw.Bearing (setting) plate 105 Including annular plate section 105a and prominent plate portion 105b, the protrusion plate portion 105b is at annular plate section 105a circumferential three towards periphery Side protrudes.Bearing (setting) plate 105 is fixed on the second housing with each prominent plate portion 105b states for inserting each breach stage portion 104 26.Protruded here, annular plate section 105a is compared towards inner circumferential side with exporting the inner peripheral surface of opposite side through hole 17, and from the opposite side of output The outer ring 86a of the bearing 86 of L2 side through hole 17 opposite with being held in output is abutted.Annular plate section 105a limits the outer ring of bearing 86 Situations of the 86a towards the opposite side L2 movements of output.
Three encoder main body fixing screw holes 107 (the first screw hole), the volume are provided with the bottom surface of circular depressions 103 Code device main body fixing screw hole 107 is used to encoder main body 32 being fixed on the opposite side wall portion 15 of output.Encoder main body Fixing screw hole 107 be equiangularly spaced around axis L-shaped into.Encoder main body 32 passes through encoder main body fixing screw 40 The opposite side wall portion 15 of output is fixed on, above-mentioned encoder main body fixing screw 40 is kept from opposite side L2 is exported through substrate The keeper flange part 38b of part 38 and be screwed into encoder main body fixing screw hole 107.In addition, encoder main body fixation spiral shell The forming position of nail 107 is overlapping with the stage portion 91 located at opposite faces 15a in the case of from axis L directions Position.Here, as shown in Fig. 2 the thickness H1 for exporting the axis L directions of the stage portion 91 of opposite side wall portion 15 is more opposite than exporting The thickness H2 in the axis L directions of the recess 90 of side wall portion 15 is big.Thus, encoder main body 32 utilizes and exports opposite side wall portion The thickness of 15 stage portion 91 is fixed on the opposite side wall portion 15 of output by encoder main body fixing screw 40.
Flexible sealing component 53 possesses fixed thickness in flake.As shown in figure 3, flexible sealing component 53 includes ring Shape portion 53a and protuberance 53b, protuberance 53b are protruded outward at annulus 53a circumferential three.Annulus 53a is in The corresponding shapes of circular stage portion bottom surface 97a with forming containment member mounting surface 99, protuberance 53b are in and rectangular step portion Shape corresponding to the 98a of end face.The thickness ratio annular shape stage portion 97 of flexible sealing component 53 and the depth in rectangular step portion 98 are slightly Greatly.When flexible sealing component 53 is placed in into containment member mounting surface 99, flexible sealing component 53 can be from the opposite side L2 of output Brake fixing hole 101 is covered.
Here, the as shown in Fig. 2 posture that encoder housing 33 is abutted with its flange part 45 with encoder housing abutting part 95 It is fixed on the opposite side wall portion 15 of output of motor field frame 5.For specifically, encoder housing 33 is fixed by housing and used Screw 48 is fixed on the opposite side wall portion 15 of output, and above-mentioned housing fixing screw 48 is formed through from opposite side L2 is exported The housing stated the housing fixing hole 49 of the flange part 45 of encoder housing 33 and be screwed into encoder housing abutting part 95 fixes use Screw hole 96.Here, in the state of encoder housing 33 is fixed on the opposite side wall portion 15 of output, turns into and exporting opposite side Flexible sealing component 53 (annulus 53a and protuberance 53b) state is accompanied between end wall 15 and flange part 45.In addition, bullet Property containment member 53 be elastically compressed between opposite side wall portion 15 and flange part 45 exporting, so as to will not with liquid such as water droplets The mode for the receiving space 34 that intrusion is gone out by exporting opposite side wall portion 15 and the zoning of encoder housing 33 is sealed.
(action effect)
According to this example, the wire 21 of electromagnetic brake 10 is brought out from electromagnetic brake 10 towards opposite side L2 is exported.In addition, The wire 21 being brought out from electromagnetic brake 10 towards the opposite side L2 of output is in the opposite side wall portion of output located at motor field frame 5 Pulled around in 15 recess 90, and outside is led to from the second lead division 22 of the side of sidewall portion 13 located at motor field frame 5.Thereby, Without setting gap, therefore energy between the inner peripheral surface of side of sidewall portion 13 and the outer peripheral face of electromagnetic brake 10 of motor field frame 5 Make electromagnetic brake 10 with diametrically increasing in the absence of the corresponding degree in above-mentioned gap.If here, make electromagnetic brake 10 Diametrically increase, then can increase the diameter of solenoid 78, therefore the brake force for improving electromagnetic brake 10 can become easy.This Outside, by making electromagnetic brake 10 diametrically increase, the brake force of electromagnetic brake 10 can be improved, therefore, even in making electricity In the case that magnetic brake 10 shortens on the axis L directions of rotating shaft 6, necessary brake force is obtained by electromagnetic brake 10 It is easy to become.
In addition, in this example, the circular protrusion 88a that the outer ring 86a for limiting bearing 86 is moved towards outlet side L1 (support by outer ring Socket part) it is configured at overlapping with electromagnetic brake 10 position in the case of from the direction of axis L-orthogonal.Thus, with Circular protrusion 88a is located to be compared than electromagnetic brake 10 by exporting the situation of opposite side L2 position, can make the axle in axis L directions Hold 86 and be located proximate to stator 8 and electromagnetic brake 10.Thus, the motor of band brake is made to minimize in the direction of the axisl Become easy.
In addition, in this example, from export opposite side L2 be installed on export the bearing (setting) plate 105 of opposite side wall portion 15 from Opposite side L2 is exported to abut with the outer ring 86a of bearing.Thus, outer ring 86a towards the outlet side L1 of bearing 86 movement are dashed forward by ring-type 88a (outer ring abutting part) limitations are played, are limited towards the movement for exporting opposite side L2 by bearing (setting) plate 105.Thus, it is Nian Jie with using The situation that agent etc. is fixed is compared, and can be securely fixed the outer ring 86a of bearing 86 in the direction of the axisl.
In addition, in this example, pass through the opposite side wall portion 15 of output of motor field frame 5 and the encoder shell of encoder 3 Body 33, and the LHA of the opposite side L2 of output in motor field frame 5 marks the receiving space 34 for containing encoder main body 32. In addition, accompany elastic packing between the opposite side wall portion 15 of output and encoder housing 33 of zoning are carried out to receiving space 34 Component 53, so as to be sealed by liquid in a manner of outside intrusion receiving space 34.Thereby, it can prevent water droplet etc. from entering Receiving space 34, therefore the situation for making encoder 3 produce malfunction because of water droplet etc. can be prevented.
Here, in this example, the encoder main body 32 and encoder housing 33 of encoder 3 are split.Thus, even in folder In the case where exporting the flexible sealing component 53 between opposite side wall portion 15 and encoder housing 33 and elastic deformation occurring, bullet The deformation of property containment member 53 also can only have an impact to the posture of encoder housing 33, without the appearance to encoder main body 32 State has an impact.Thereby, the stress during installation of encoder housing 33 will not have an impact to the magnetic detecting element of encoder, because This can be detected by the rotation of the accurately countershaft 6 of encoder 3.
In addition, in this example, annulus 53a outer circumferential side of the housing fixing screw 48 taken the lead than flexible sealing component 53 Side, therefore the housing fixing hole 49 run through for housing fixing screw 48 is set even in encoder housing 33, and exporting Opposite side wall portion 15 sets the housing fixing screw hole 96 being screwed into for housing fixing screw 48, also will not be because of these housings Fixing hole 49, housing fixing screw hole 96 formation and make the liquid such as water droplet invade receiving space 34.
In addition, in this example, flexible sealing component 53 is being clipped in the opposite side wall portion 15 of output and encoder housing 33 In the state of between flange part 45, the large diameter hole part 101a of brake fixing hole 101 is covered from opposite side L2 is exported Lid, the large diameter hole part 101a of the brake fixing hole 101 insert for the head of brake fixing screw 102.Thus, water Drop etc. will not export the brake fixing screw 102 of opposite side wall portion 15 because electromagnetic brake 10 is fixed on and for braking Brake fixing hole 101 that device fixing screw 102 runs through and invade in motor field frame 5.In addition, because of flexible sealing component 53 include can be correspondingly by the position of brake fixing screw 102 from the protuberance 53b that annulus 53a is protruded outward Outer circumferential side is configured at, wherein, electromagnetic brake 10 is fixed on the opposite side wall portion of output by above-mentioned brake fixing screw 102 15.Thus, the narrow zone for the outer peripheral edge portion for exporting opposite side wall portion 15 can be utilized by electromagnetic brake 10 and encoded Device housing 33 is fixed on motor field frame 5.

Claims (7)

  1. A kind of 1. motor of band brake, it is characterised in that including:
    Rotor;
    Stator, the stator surround the rotor from outer circumferential side;
    Electromagnetic brake;
    Motor field frame, the motor field frame house to the rotor, the stator and the electromagnetic brake;And
    Rotating shaft, the rotating shaft rotate integrally with the rotor and make the end of outlet side protruding to the outside from the motor field frame,
    The electromagnetic brake is located at the opposite side of output of the stator, and the rotating shaft is braked,
    The motor field frame includes side of sidewall portion and end wall, wherein, the side of sidewall portion is from outer circumferential side by the electromagnetic brake bag To enclose, the end wall is relative with the electromagnetic brake from opposite side is exported,
    The side of sidewall portion includes lead division, and the lead division is used to the supply lines of the electromagnetic brake leading to outside,
    The end wall is provided with abutting part and recess in the opposite faces relative with the electromagnetic brake, wherein, the abutting part Being abutted with the electromagnetic brake, the recess is recessed compared with the abutting part towards the opposite side of output,
    The supply lines is brought out from the electromagnetic brake towards opposite side is exported,
    The supply lines is pulled around in the recess to the lead division.
  2. 2. the motor of band brake as claimed in claim 1, it is characterised in that
    With bearing, the bearing is located at the position by the opposite side of output than the stator, and by the shaft support into can rotate,
    The electromagnetic brake includes solenoid, and the solenoid includes:The yoke of ring-type, the yoke include running through for the rotating shaft Centre bore;And coil, the coil are annularly wound in the yoke in a manner of surrounding the centre bore,
    The opening edge portion of the centre bore positioned at the end for exporting opposite side of the yoke is formed towards the output The annular recessed portion of side depression,
    The end wall includes through hole, and the through hole runs through for the end of the opposite side of output of the rotating shaft, and passes through inner peripheral surface The outer ring of the bearing is supported,
    The opposite faces of the end wall include ring-type teat in the edge of opening of the through hole, and the ring-type teat is towards than institute The position that abutting part is stated by the outlet side protrudes,
    The ring-type teat includes outer ring abutting part in the end of the outlet side, and the outer ring abutting part protrudes towards inner circumferential side, and Abutted from the outlet side with the outer ring of the bearing,
    The ring-type teat inserts the annular recessed portion, and the abutting part abuts with the end face of the opposite side of output of the yoke, The outer ring abutting portion is in the annular recessed portion.
  3. 3. the motor of band brake as claimed in claim 2, it is characterised in that
    Including bearing fixing component, the bearing fixing component is installed on the end wall from opposite side is exported, and opposite from output Side abuts with the outer ring of the bearing.
  4. 4. the motor of band brake as claimed in claim 2 or claim 3, it is characterised in that
    The annular recessed portion from axis direction when contour shape be it is circular,
    The ring-type teat from the axis direction when contour shape be it is circular,
    In the state of the ring-type teat inserts the annular recessed portion, the electromagnetic brake around the axis can rotate Mode is chimeric with the end wall.
  5. 5. the motor of band brake as claimed in claim 4, it is characterised in that
    Stage portion is provided with the recess, the stage portion protrudes from the bottom surface of the recess towards outlet side,
    The stage portion includes the outer peripheral face around axis towards the arc-shaped of outer circumferential side,
    The supply lines is directed in the outer peripheral face of stage portion described in the recess interior edge.
  6. 6. the motor of band brake as claimed in claim 5, it is characterised in that
    With encoder, rotation of the encoder to the rotating shaft detects,
    The encoder includes:Magnet, the magnet are installed on the end of the opposite side of output of the rotating shaft;Encoder main body, should Encoder main body includes Magnetic Sensor;And encoder housing, the encoder housing cover the encoder main body,
    The axle of the recess of end wall described in the thickness ratio of the axis direction of the stage portion of the end wall The thickness in line direction is big,
    The position overlapping with the stage portion in the case of from the axis direction of the end wall includes the first spiral shell Nail,
    The encoder main body is fixed on the end wall by the first screw, and first screw along the axis direction to pass through The mode for wearing the encoder main body is screwed into first screw hole,
    The encoder housing is installed on the end wall from opposite side is exported, and in the encoder housing and the end wall Between zoning go out the receiving space housed to the encoder main body.
  7. 7. the motor of band brake as claimed in claim 6, it is characterised in that
    The end wall is provided with the second screw hole in the outer circumferential side of first screw hole,
    The encoder housing is fixed on the end wall by the second screw, and second screw along the axis direction to pass through The mode for wearing the encoder housing is screwed into second screw hole,
    Flexible sealing component is accompanied between the end wall and the encoder housing.
CN201710865621.XA 2016-09-26 2017-09-22 The motor of band brake Active CN107872115B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-187273 2016-09-26
JP2016187273A JP6785606B2 (en) 2016-09-26 2016-09-26 Motor with brake

Publications (2)

Publication Number Publication Date
CN107872115A true CN107872115A (en) 2018-04-03
CN107872115B CN107872115B (en) 2019-11-01

Family

ID=61752407

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710865621.XA Active CN107872115B (en) 2016-09-26 2017-09-22 The motor of band brake

Country Status (3)

Country Link
JP (1) JP6785606B2 (en)
KR (1) KR101933803B1 (en)
CN (1) CN107872115B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111509898A (en) * 2019-01-31 2020-08-07 日本电产三协株式会社 Electric motor
CN114148295A (en) * 2021-12-07 2022-03-08 沈阳大学 Electric automobile arresting gear

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606334B (en) * 2018-12-27 2019-09-13 六安江淮电机有限公司 Hydraulic braking formula brake motor
KR102223223B1 (en) * 2019-12-19 2021-03-05 주식회사마르스 Motor having an electromagnetic brake
JP7254146B1 (en) 2021-11-15 2023-04-07 三菱電機株式会社 Rotation detection device and rotary electric machine using the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09322475A (en) * 1996-05-30 1997-12-12 Sankyo Seiki Mfg Co Ltd Motor with brake
CN2850118Y (en) * 2005-11-25 2006-12-20 常熟市美益电磁控制元件有限公司 Electromagnetic brake
CN101615824A (en) * 2008-06-16 2009-12-30 费尔菲尔德制造公司 Gear reduction unit electric motor assembly with inner brake
JP2014236531A (en) * 2013-05-31 2014-12-15 日本電産サンキョー株式会社 Motor
CN204792284U (en) * 2015-05-18 2015-11-18 宁波贝士机电制造有限公司 Quiet plate structure of stopper electro -magnet

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3138482U (en) * 2007-10-22 2008-01-10 株式会社フジックス Motor and heat insulation seal member

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09322475A (en) * 1996-05-30 1997-12-12 Sankyo Seiki Mfg Co Ltd Motor with brake
CN2850118Y (en) * 2005-11-25 2006-12-20 常熟市美益电磁控制元件有限公司 Electromagnetic brake
CN101615824A (en) * 2008-06-16 2009-12-30 费尔菲尔德制造公司 Gear reduction unit electric motor assembly with inner brake
JP2014236531A (en) * 2013-05-31 2014-12-15 日本電産サンキョー株式会社 Motor
CN204792284U (en) * 2015-05-18 2015-11-18 宁波贝士机电制造有限公司 Quiet plate structure of stopper electro -magnet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111509898A (en) * 2019-01-31 2020-08-07 日本电产三协株式会社 Electric motor
CN111509898B (en) * 2019-01-31 2022-07-08 日本电产三协株式会社 Electric motor
CN114148295A (en) * 2021-12-07 2022-03-08 沈阳大学 Electric automobile arresting gear
CN114148295B (en) * 2021-12-07 2023-03-03 沈阳大学 Electric automobile arresting gear

Also Published As

Publication number Publication date
KR20180034260A (en) 2018-04-04
JP6785606B2 (en) 2020-11-18
KR101933803B1 (en) 2018-12-28
JP2018057079A (en) 2018-04-05
CN107872115B (en) 2019-11-01

Similar Documents

Publication Publication Date Title
CN107872116A (en) The motor of band brake
CN107872115A (en) The motor of band brake
JP5464604B2 (en) Motor rotor and manufacturing method thereof, inner rotor type brushless motor and manufacturing method thereof
US7509883B2 (en) Torque detecting apparatus and manufacturing method thereof
US9360015B2 (en) Submerged rotor electric water pump with structural wetsleeve
EP2549625A2 (en) Encapsulated stator
US20140070672A1 (en) Variable reluctance resolver having integral electromagnetic interference shield and rotary electric machine having same
US9577499B2 (en) Resolver with mounting structure and method
JP2004180495A (en) Electric motor for driving pump
CN109889005A (en) The motor of outer-rotor type
CN1448004A (en) Rotor unit for electromotor and internal rotor electromotor
WO2015181900A1 (en) Rotating electrical machine
CN107204686A (en) Encoder and motor with encoder
CN108141097B (en) Motor and brake device including the same
CA2873630A1 (en) Rotor assembly with permanent magnets and method of manufacture
WO2015052962A1 (en) Rotating electrical machine
JP2017017826A (en) Motor with brake
KR20140007098A (en) Motor
WO2015092887A1 (en) Motor with brake
KR20130010643A (en) With built-in rotation sensor magnetic brake
CN109687677B (en) Rotary transformer stator
JP2019022393A (en) motor
JP2010142053A (en) Brushless motor
WO2018161214A1 (en) Component of generator, generator having the component and method for manufacturing the component
KR102504095B1 (en) Shaft assembly for motor and motor having the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant