CN104810971A - Built-in disc brake of motor - Google Patents
Built-in disc brake of motor Download PDFInfo
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- CN104810971A CN104810971A CN201510243572.7A CN201510243572A CN104810971A CN 104810971 A CN104810971 A CN 104810971A CN 201510243572 A CN201510243572 A CN 201510243572A CN 104810971 A CN104810971 A CN 104810971A
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Abstract
The invention provides a built-in disc brake of a motor and belongs to the field of braking devices. The built-in disc brake comprises a device body, wherein the device body comprises a main shaft, a motor body and a braking device; the motor body comprises a stator, a rotor and an electromagnetic device; the stator is arranged on the main shaft; the rotor is rotationally connected onto the main shaft and is located at the outer part of the stator; the electromagnetic device is arranged between the stator and the rotor; after the motor body is electrified, the rotor can rotate; the braking device comprises a brake pad, a pressing plate, a pull rod and an elastic part; the brake pad sleeves the outer part of the main shaft and is fixedly connected with the rotor, and the brake pad and the rotor can rotate synchronously; a gap is formed between the pressing plate and the brake pad; the pull rod is connected with a brake cable of rotary equipment. The built-in disc brake of the motor can be applied to the rotary equipment including motor vehicles, electric vehicles, industrial equipment and the like; the motor and the device are integrated so that the size is smaller, the built-in disc brake is more stable in a braking process and the application range is wide.
Description
Technical field
The present invention relates to brake apparatus field, in particular to a kind of electric machine built-in disc brake.
Background technology
Brake apparatus is for braking slewing, and slewing comprises vehicle and multiple industrial equipment.
In industrial equipment, there is multiple rotary device, what the braking of rotary device was leaned on is brake apparatus; In motor vehicle and bicycle, brake apparatus is also all widely used.Along with the development of science and technology, engine technology makes rapid progress, the acceleration of current motor vehicle and some battery vehicles (being referred to as vehicle below) is more and more faster, speed is also more and more faster, and current driver likes pursuit speed, during driving, car speed quickly, runs into emergency and gather emergency brake, be easy to the generation causing traffic accident.
In present society, braking technology does not catch up with the research and development speed of engine technology, causes that the engine in vehicle is more excellent and brake gear is relatively backward, and this phenomenon can cause vehicle to be easy to accelerate and fast running, but be not easy to stop, brake hard also easily causes traffic accident to occur.This is the present situation of society.
And existing drive unit and brake apparatus global design are reasonable not, cause volume comparatively large, weight is also comparatively large, and when vehicle or industrial equipment run, transmission efficiency is lower, and compares and waste energy, and the energy-conserving and environment-protective theme publicized with society does not conform to.
Summary of the invention
The invention provides a kind of electric machine built-in disc brake, be intended to improve the problems referred to above.
The present invention is achieved in that
A kind of electric machine built-in disc brake, be applied to slewing, comprise device body, described device body comprises main shaft, motor body and brake apparatus;
Described motor body comprises stator, rotor and calutron, and described stator is located on main shaft, and described rotor turns to be connected on main shaft and to be positioned at the outside of stator, and described calutron is located between stator and rotor; When after motor body energising, rotor can rotate;
Described brake apparatus comprises brake block, pressing plate, pull bar and elastic portion, and it is outside and be fixedly connected with rotor that described brake block is sheathed on main shaft, and the two can synchronous axial system; There is gap between described pressing plate and brake block, described pull bar is connected with the brake cable of slewing;
When the rotor is turning, pull brake cable can drive pull bar work, and then elasticity of compression portion, and make pressing plate and brake block inconsistent, rotor is stopped operating; After releasing of brake line, elastic portion restores to the original state, and pressing plate is separated with brake block.
Tumbler is built in motor body by this electric machine built-in disc brake, makes whole device in integration, makes its compact conformation, small volume.Be applied to and slewing take up space less, and easy to maintenance, Awaiting Parts small volume, brings facility to maintenance provider.
Further, form two contact sites after described pressing plate contacts with brake block, two described contact sites are about the axisymmetrical of brake block.During braking, its contact site is about the axisymmetrical of brake block, and brake block uniform force is stablized, and brake block can stop the rotation reposefully.
Further, described main shaft is hollow-core construction, described brake apparatus comprises the brake axle be slidably connected in main shaft, and this brake axle comprises the first end being positioned at main shaft and the second end be positioned at outside main shaft, and the sidepiece of main shaft is provided with two through holes about its axisymmetrical;
Described pressing plate is strip, is located at the first end of brake axle, and the two ends of pressing plate are stretched out from two through holes respectively, and described second end is located at by described pull bar;
After pulling brake cable, brake axle and main shaft produce relative motion, make pressing plate and brake block inconsistent, the two ends of pressing plate contact formation two described contact sites with brake block.
Further, described pull bar has two, comprise the first pull bar and the second pull bar, each pull bar includes sleeve, two sleeves are along the adjacent outside being sheathed on brake axle of axis of brake axle, the end face that two sleeves are adjacent is the inclined-plane matched, and described elastic portion comprises the first spring be located between two sleeves; Pulling during brake cable to make two sleeves produce relative rotation, under the effect on inclined-plane two pull bars on the axis direction of brake axle away from, make the first end of brake axle to the external movement of main shaft, pressing plate be contacted with brake block, and compress described first spring; After releasing of brake line, the first spring reset makes brake axle and two pull bars get back to initial position, and pressing plate is separated with brake block.
Further, the containing cavity that the external diameter that two pull bars are equipped with internal diameter and the first spring matches, the two ends of described first spring lay respectively in the containing cavity of two pull bars.Such design can not come off after making on the first spring fitting to two pull bars, and the first spring and pull bar are removably connected, convenient for assembly, and convenient for maintaining is changed.
Further, described pressing plate has two, comprises the first pressing plate and the second pressing plate, and the first pressing plate and the second pressing plate are symmetrically set in the both sides up and down of brake block; When pulling brake cable, two pressing plates are inconsistent with two end faces up and down of brake block respectively.The other end of the sleeve of the second pressing plate contacts with the first pressing plate, when skidding, pull brake cable that the second pressing plate can be driven to move upward, first pressing plate moves downward, compress with two end faces of brake block respectively, two pressing plates push down brake block simultaneously, make brake block be subject to frictional force larger, stressed evenly, brake block is more easily stopped operating.
Further, described elastic portion also comprises to be located on brake axle and the second spring between two pressing plates, and the inside of described main shaft is provided with two for limiting the boss of pressing plate; Second spring-compressed when pulling brake cable, the second recoil of spring during releasing of brake line also makes two pressing plates be separated with brake block.
Under normal circumstances, the elastic force of the second spring makes each pressing plate fit with a boss respectively; During braking, can presser motion be driven in the process of brake axle relative main movement, compress the second spring, two pressing plates and brake block be fitted, completes and make.
Further, the second pressing plate is fixedly connected with brake axle, and the first pressing plate is flexibly connected with brake axle.In Fig. 5, the pressing plate of below is namely near the pressing plate of the first end of brake axle, and this pressing plate is fixedly connected with the first end of brake axle by screw thread, can be synchronized with the movement along with brake axle, and the mode be threaded is convenient for assembly; Another pressing plate is directly set on brake axle, can move up and down, complete braking operation on brake axle, and the convenient processing of this connected mode and assembling.
Further, described brake block comprises lamellar body and contiguous block, and described lamellar body is annular, and described contiguous block annular is uniformly distributed in the sidepiece of lamellar body; Described rotor is provided with and mates with contiguous block and the consistent connector of number.This connected mode is relatively more firm, and process and assemble is all more convenient.
Further, the two ends of described rotor are equipped with detachable end, and two are provided with bearing between end cap and main shaft.End cap is connected preferably by bolt with rotor, makes its stable connection and for convenience detach.During maintenance, pulling down end cap can keep in repair inside.
The invention has the beneficial effects as follows: the electric machine built-in disc brake that the present invention is obtained by above-mentioned design, may be used on the slewings such as motor vehicle, electric motor car and industrial equipment, motor and device are made as integral type, small volume, more steady during brake, applied range.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of embodiment of the present invention, be briefly described to the accompanying drawing used required in execution mode below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the axonometric drawing of the electric machine built-in disc brake that embodiment of the present invention provides;
Fig. 2 is the axonometric drawing after electric machine built-in disc brake that embodiment of the present invention provides removes one of them end cap;
Fig. 3 is the axonometric drawing after the electric machine built-in disc brake that provides of embodiment of the present invention removes rotor and end cap;
Fig. 4 is the front view of the electric machine built-in disc brake that embodiment of the present invention provides;
Fig. 5 is the cutaway view of Fig. 4;
Fig. 6 is the upward view after the electric machine built-in disc brake that provides of embodiment of the present invention removes rotor and end cap;
Fig. 7 is the front view after the electric machine built-in disc brake that provides of embodiment of the present invention removes rotor and end cap;
Fig. 8 is the end view after the electric machine built-in disc brake that provides of embodiment of the present invention removes rotor and end cap;
Fig. 9 is the axonometric drawing after the electric machine built-in disc brake that provides of embodiment of the present invention removes motor body;
Figure 10 is the upward view after the electric machine built-in disc brake that provides of embodiment of the present invention removes motor body;
Figure 11 is the front view after the electric machine built-in disc brake that provides of embodiment of the present invention removes motor body;
Figure 12 is the vertical view after the electric machine built-in disc brake that provides of embodiment of the present invention removes motor body;
Figure 13 is the front view that in the electric machine built-in disc brake that provides of embodiment of the present invention, two pull bars connect;
Figure 14 is the end view that in the electric machine built-in disc brake that provides of embodiment of the present invention, two pull bars connect;
Figure 15 is the axonometric drawing that in the electric machine built-in disc brake that provides of embodiment of the present invention, two pull bars connect;
Figure 16 is the axonometric drawing of the second pull bar in the electric machine built-in disc brake that provides of embodiment of the present invention;
Figure 17 is the front view of the second pull bar in the electric machine built-in disc brake that provides of embodiment of the present invention;
Figure 18 is the end view of the second pull bar in the electric machine built-in disc brake that provides of embodiment of the present invention.
Figure acceptance of the bid note is respectively:
Main shaft 101; Motor body 102; Stator 103; Rotor 104; Brake block 105; First pressing plate 106; First pull bar 107; Brake cable 108; Brake axle 109; Through hole 110; Sleeve 111; First spring 112; Containing cavity 113; Boss 114; Second spring 115; Contiguous block 116; Connector 117; End cap 118; Bearing 119; Second pressing plate 120; Second pull bar 121.
Embodiment
For making the object of embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in embodiment of the present invention, technical scheme in embodiment of the present invention is clearly and completely described, obviously, described execution mode is the present invention's part execution mode, instead of whole execution modes.Based on the execution mode in the present invention, those of ordinary skill in the art, not making the every other execution mode obtained under creative work prerequisite, belong to the scope of protection of the invention.Therefore, below to the detailed description of the embodiments of the present invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected execution mode of the present invention is only represented.Based on the execution mode in the present invention, those of ordinary skill in the art, not making the every other execution mode obtained under creative work prerequisite, belong to the scope of protection of the invention.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the equipment of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Refer to Fig. 1-Figure 18
The electric machine built-in disc brake that present embodiment provides, be applied to slewing (comprising motor vehicle, battery vehicle and industrial equipment etc.), comprise device body, device body comprises main shaft 101, motor body 102 and brake apparatus;
Motor body 102 comprises stator 103, rotor 104 and calutron, and stator 103 is located on main shaft 101, and rotor 104 to be rotationally connected with on main shaft 101 and to be positioned at the outside of stator 103, and calutron is located between stator 103 and rotor 104; After motor body 102 is energized, rotor 104 can rotate;
Motor is device very common in prior art, mainly contain motor shaft, stator and rotor to form, stator is provided with permanent magnet, rotor is provided with solenoid, or stator arranges solenoid and rotor is arranged permanent magnet, after energising, solenoid produces magnetic field, produces magnetic force with permanent magnet, makes stator not then rotor rotation.Motor mainly divides two kinds by stator rotor set-up mode, and a kind of stator of motor is arranged on rotor exterior, rotor and motor shaft synchronous axial system during machine operation; The stator of another kind of motor is arranged on internal rotor, only has rotor turns during machine operation.
For the motor body 102 in the electric machine built-in disc brake that present embodiment provides, its basic structure and principle consistent with prior art, calutron comprises permanent magnet and solenoid, the stator 103 of motor body 102 is provided with permanent magnet or solenoid, correspondingly on rotor 104, is provided with solenoid or permanent magnet; Main shaft 101 plays the effect of above-mentioned motor shaft, because rotor 104 is arranged on stator 103 outside, only have rotor 104 to rotate, and stator 103 and main shaft 101 keeps static when therefore motor body 102 works.
Brake apparatus also comprises brake block 105, pressing plate, pull bar and elastic portion, and it is outside and be fixedly connected with rotor 104 that brake block 105 is sheathed on main shaft 101, and the two can synchronous axial system; There is gap between pressing plate and brake block 105, pull bar is connected with the brake cable 108 of slewing;
Brake apparatus is also brake gear, and be also device more common in prior art, basic structure comprises brake block 105, friction plate and jockey, and jockey is connected with slewing, and brake block 105 is connected with the rotating part of slewing; Braking front brake sheet 105, along with rotating part synchronous axial system, during braking, pulls jockey, makes friction plate and brake block 105 fit and compress, by frictional force therebetween, brake block 105 is stopped operating, and then rotating part is stopped the rotation, reach braking effect.
Brake apparatus in the electric machine built-in disc brake that present embodiment provides, its basic structure and general principle are similarly to the prior art.When motor body 102 works, rotor 104 rotates and drives brake block 105 to rotate, need to pull brake cable 108 to drive pull bar work during braking, and then elasticity of compression portion, and make pressing plate and brake block 105 inconsistent, continue firmly to make pressing plate and brake block 105 fit tightly, by the frictional force between pressing plate and brake block 105, brake block 105 is stopped, complete braking.
Particularly, brake block 105 and pressing plate are arranged on the inside of rotor 104, make it integrated with motor body 102; In pressing plate herein and prior art, the effect of friction plate is similar; The object of elastic portion is: releasing of brake line 108 after end of braking, and elastic portion restores to the original state, and pressing plate is separated with brake block 105.Brake cable 108 is one of parts that in prior art, brake apparatus is common, in accompanying drawing, brake cable 108 has been shown.
Tumbler is built in motor body 102 by this electric machine built-in disc brake, makes whole device in integration, makes its compact conformation, small volume.Be applied to and slewing take up space less, and easy to maintenance, Awaiting Parts small volume, brings facility to maintenance provider.
Such as, when this electric machine built-in disc brake is applied in electric motor car, by main shaft 101, device body is fixed in electric motor car, by link, rotor 104 is connected with the driving wheel of electric motor car, drive driving wheel to rotate when motor body 102 works, electric motor car is travelled; Pull bar is connected with the brake cable 108 of electric motor car, during braking, pulls brake cable 108 that electric motor car can be made to stop.
Or this electric machine built-in disc brake is applied on the industrial equipments such as lathe, is connected by rotor 104 by link with the rotating shaft of lathe, when motor body 102 is worked, rotor 104 can rotate by driven rotary axle; Pull bar is connected with the brake cable 108 of lathe, during braking, pulls brake cable 108 that rotating shaft can be made to stop.
This electric machine built-in disc brake applied range, actual effect clearly, brings qualitative leap can to multiple industries such as industry, agriculture and forestry, transportation.
In some specific embodiments, pressing plate contacts rear formation two contact sites with brake block 105, and two contact sites are about the axisymmetrical of brake block 105.
In prior art, the friction plate of brake gear contacts rear contact-making surface with brake block 105 is not about its axisymmetrical, brake block 105 discontinuity when causing braking, and makes brake block 105 produce unstable rotation; The people driving car or sat car should have this impression, and always have the sensation of front and back pause and transition in rhythm or melody when braking, this phenomenon is owing to producing when friction plate and brake block 105 rub.
Have employed the pressing plate of above-mentioned design and brake block 105 when braking, its contact site is about the axisymmetrical of brake block 105, and brake block 105 uniform force is stablized, and brake block 105 can stop the rotation reposefully, there will not be above-mentioned phenomenon.
Particularly, in certain embodiments, main shaft 101 is hollow-core construction, brake apparatus comprises the brake axle 109 be slidably connected in main shaft 101, this brake axle 109 comprises the first end being positioned at main shaft 101 and the second end be positioned at outside main shaft 101, and the sidepiece of main shaft 101 is provided with two through holes 110 about its axisymmetrical; Pressing plate is strip, is located at the first end of brake axle 109, and the two ends of pressing plate are stretched out from two through holes 110 respectively, and the second end is located at by pull bar.
Brake cable 108 is pulled during braking, drive brake axle 109 and main shaft 101 to produce relative motion, and make pressing plate and brake block 105 inconsistent, the two ends of pressing plate contact formation two described contact sites with brake block 105, continue firmly to make the two fit tightly, produce larger frictional force and complete braking.
Particularly, in certain embodiments, pull bar has two, comprise the first pull bar 107 and the second pull bar 121, each pull bar includes sleeve 111, two sleeves 111 are along the adjacent outside being sheathed on brake axle 109 of axis of brake axle 109, and the end face that two sleeves 111 are adjacent is the inclined-plane matched, and elastic portion comprises the first spring 112 be located between two sleeves 111; Pulling during brake cable 108 to make two sleeves 111 produce relative rotation, under the effect on inclined-plane two pull bars on the axis direction of brake axle 109 away from, make the first end of brake axle 109 to the external movement of main shaft 101, pressing plate be contacted with brake block, and compress the first spring 112; After releasing of brake line 108, the first spring 112 resets and makes brake axle 109 and two pull bars get back to initial position, and pressing plate is separated with brake block 105.
As shown in figure 15, two pull bar phase-contact surfaces are inclined-plane, when pulling pull bar, the first spring 112 compresses, two pull bars rotate backward, two inclined-planes produce relative motions, make the two produce dislocation, in the axial direction away from (as shown in Figure 5, after two pull bar dislocation, the first pull bar 107 moves upward, and the second pull bar 121 moves downward).
Said process can compress the first spring 112, and first spring 112 resilience after releasing of brake line 108, drive two pull bars to keep in the center, each parts are all kept in the center, and pressing plate is separated with brake block 105.
Particularly, as exemplified in figs, when two pull bars are in original position, two sleeves 111 can closely cooperate the end face of the sleeve 111 of pull bar, and both the elastic force by the first spring 112 can not produce relative motion; When two pull bars relatively rotate, by inclined-plane affect two pull bars can mutually away from.
In some specific embodiments, the two ends of containing cavity 113, first spring 112 that the external diameter two pull bars being equipped with internal diameter and the first spring 112 matches lay respectively in the containing cavity 113 of two pull bars.As shown in Figure 13-Figure 15, such design make the first spring 112 to be installed on two pull bars after can not come off, and the first spring 112 is removably connected with pull bar, convenient for assembly, convenient for maintaining is changed.
Particularly, each pull bar comprises sleeve 111, connecting rod and accommodating cylinder, and containing cavity 113 is arranged on accommodating cylinder, connecting rod branch sleeve 111 and accommodating cylinder.
Further, pressing plate has two, comprises the both sides that the first pressing plate 106 and the second pressing plate 120, first pressing plate 106 and the second pressing plate 120 are symmetrically set in brake block 105; When pulling brake cable 108, two pressing plates are inconsistent with two end faces of brake block 105 respectively.The other end of the sleeve of the second pressing plate 120 contacts with the first pressing plate 106, when skidding, pull brake cable 108 that the second pressing plate 120 can be driven to move upward, first pressing plate 106 moves downward, compress with two end faces of brake block 105 respectively, brake block 105 pushed down by two pressing plates simultaneously, makes brake block 105 larger by frictional force, stressed evenly, brake block 105 is more easily stopped operating.
Particularly, be such relation between two pressing plates in certain embodiments: elastic portion also comprises to be located on brake axle 109 and the second spring 115 between two pressing plates, and the inside of main shaft 101 is provided with two for limiting the boss 114 of pressing plate; When pulling brake cable 108, the second spring 115 compresses, and the second spring 115 resilience during releasing of brake line 108 also makes two pressing plates be separated with brake block 105.
As shown in Figure 5, two pressing plates are located between two boss 114, are provided with the second spring 115 between two pressing plates, and under normal circumstances, the elastic force of the second spring 115 makes each pressing plate fit with a boss 114 respectively; During braking, can presser motion be driven in the process of brake axle 109 relative main 101 movement, compress the second spring 115, two pressing plates and brake block 105 be fitted, completes and make.
Preferably, two pressing plates are provided with the groove of the end of accommodation second spring 115, make the second spring 115 be contained in groove compactly.
Further, the second pressing plate 120 is fixedly connected with brake axle 109, and the first pressing plate 106 is flexibly connected with brake axle 109.In Fig. 5, the second pressing plate 120 is namely near the pressing plate of the first end of brake axle 109, and the second pressing plate 120 is fixedly connected with by the first end of screw thread with brake axle 109, can be synchronized with the movement, and the mode be threaded is convenient for assembly along with brake axle 109; First pressing plate 106 is directly set on brake axle 109, can move up and down, complete braking operation on brake axle 109, and the convenient processing of this connected mode and assembling.
Brake block 105 is fixedly connected with rotor 104, the two synchronous axial system or stopping, and particularly, brake block 105 comprises lamellar body and contiguous block 116, and lamellar body is annular, and contiguous block 116 annular is uniformly distributed in the sidepiece of lamellar body; Rotor 104 is provided with and mates with contiguous block 116 and the consistent connector 117 of number.
As shown in Figure 2, contiguous block 116 is offered porose, connector 117 offers screwed hole, brake block 105 and rotor 104 can be fixed by bolt, this connected mode is relatively more firm, and process and assemble is all more convenient.Contiguous block 116 annular is uniformly distributed in the sidepiece of lamellar body, uniform force when brake block 105 is rotated, rotation more steady.Preferably, the number of contiguous block 116 and connector 117 is 3 pieces.
Further, the two ends of rotor 104 are equipped with detachable end 118, are provided with bearing 119 between two end caps 118 and main shaft 101.During assembling, first bearing 119 is enclosed within main shaft 101, then an end cap 118 is set on bearing 119, rotor 104 and end cap 118 are fixed, loads onto another end cap 118, complete assembling.End cap 118 is connected preferably by bolt with rotor 104, makes its stable connection and for convenience detach.During maintenance, pulling down end cap 118 can keep in repair inside.During work, rotor 104 and end cap 118 rotate, the outer ring rotating of band dynamic bearing 119, and the inner ring of main shaft 101 and bearing 119 does not rotate.
Particularly, as shown in Figure 5, the inner side of two end caps 118 is equipped with the deep gouge holding bearing 119; Bearing is closely set in the outside of main shaft, and rotor 104 can clamp after loading onto by end cap, makes it can not move up and down on the axis direction of main shaft 101.
For clearly demonstrating the present invention, in present embodiment, list a specific embodiment:
A kind of electric machine built-in disc brake, be applied to slewing, comprise device body, device body comprises main shaft 101, motor body 102 and brake apparatus;
Motor body 102 comprises stator 103, rotor 104, and stator 103 is located on main shaft 101, and rotor 104 to be rotationally connected with on main shaft 101 and to be positioned at the outside of stator 103, and calutron is located between stator 103 and rotor 104; After motor body 102 is energized, rotor 104 can rotate; The two ends of rotor 104 are equipped with detachable end 118, are provided with bearing 119 between two end caps 118 and main shaft 101; The inside portion of rotor 104 is provided with permanent magnet, and the outside portion of stator 103 is provided with solenoid, and after energising, solenoid produces magnetic field, and produce active force with permanent magnet, rotor driven 104 rotates.
Brake apparatus comprises brake block 105, pressing plate, pull bar and elastic portion, brake block 105 is sheathed on main shaft 101 outside and is fixedly connected with rotor 104, brake block 105 comprises lamellar body and contiguous block 116, and lamellar body is annular, and contiguous block 116 annular is uniformly distributed in the sidepiece of lamellar body; Rotor 104 is provided with and mates with contiguous block 116 and the consistent connector 117 of number, and the two can synchronous axial system; There is gap between pressing plate and brake block 105, pull bar is connected with the brake cable 108 of slewing;
Main shaft 101 is hollow-core construction, and brake apparatus comprises brake axle 109, and this brake axle 109 comprises the first end being positioned at main shaft 101 and the second end be positioned at outside main shaft 101, and the sidepiece of main shaft 101 is provided with two through holes 110 about its axisymmetrical;
Pull bar has two, comprise the first pull bar 107 and the second pull bar 121, each pull bar includes sleeve 111, two sleeves 111 are along the adjacent outside being sheathed on brake axle 109 of axis of brake axle 109, the end face that two sleeves 111 are adjacent is the inclined-plane matched, elastic portion comprises the first spring 112 be located between two sleeves 111, the two ends of containing cavity 113, first spring 112 that the external diameter two pull bars being equipped with internal diameter and the first spring 112 matches lay respectively in the containing cavity 113 of two pull bars; Pulling during brake cable 108 to make two sleeves 111 produce relative rotation, make two pull bars on the axis direction of brake axle 109 away from, make the first end of brake axle 109 to the external movement of main shaft 101, pressing plate be contacted with brake block, and compress the first spring 112.
Pressing plate has two, comprise the first pressing plate 106 and the second pressing plate 120, first pressing plate 106 and the second pressing plate 120 are symmetrically set in the both sides up and down of brake block 105, the end of the second end of brake axle 109 is provided with protuberance, sleeve 111 and the protuberance of the first pull bar 107 fit, and fit in the sleeve 111 of the second pull bar 121 and the upper end of the first pressing plate 106; When pulling brake cable 108, the effect brake axle 109 by the first pull bar 107 moves upward, and drives the second pressing plate 120 to move upward, and effect first pressing plate 106 by the second pull bar 121 moves downward;
First pressing plate 106 and the second pressing plate 120 are inconsistent with two end faces up and down of brake block 105 respectively.Pressing plate is strip, is located at the first end of brake axle 109, and the two ends of pressing plate are stretched out from two through holes 110 respectively, and the second end is located at by pull bar; Elastic portion comprises to be located on brake axle 109 and the second spring 115 between two pressing plates, the inside of main shaft 101 is provided with two for limiting the boss 114 of pressing plate, second pressing plate 120 is fixedly connected with brake axle 109, and the first pressing plate 106 is flexibly connected with brake axle 109; When pulling brake cable 108, the second spring 115 compresses, and the second spring 115 resilience during releasing of brake line 108 also makes two pressing plates be separated with brake block 105.
Each pressing plate contacts rear formation two contact sites with brake block 105, two contact sites are about the axisymmetrical of brake block 105.
Pull latter two pull bar of brake cable 108 to produce relative rotation, make brake axle 109 and main shaft 101 produce relative movement, compress the first spring 112 and the second spring 115, so make two pressing plates and brake block 105 inconsistent, complete braking; After releasing of brake line 108, the first spring 112 and the second spring 115 restore to the original state, and pressing plate is separated with brake block 105.
The electric machine built-in disc brake obtained by above-mentioned design, be may be used on the slewings such as motor vehicle, electric motor car and industrial equipment, motor and device is made as integral type, small volume, more steady during brake, applied range.
These are only the preferred embodiment of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an electric machine built-in disc brake, is applied to slewing, it is characterized in that, comprises device body, and described device body comprises main shaft, motor body and brake apparatus;
Described motor body comprises stator, rotor and calutron, and described stator is located on main shaft, and described rotor turns to be connected on main shaft and to be positioned at the outside of stator, and described calutron is located between stator and rotor; When after motor body energising, rotor can rotate;
Described brake apparatus comprises brake block, pressing plate, pull bar and elastic portion, and it is outside and be fixedly connected with rotor that described brake block is sheathed on main shaft, and the two can synchronous axial system; There is gap between described pressing plate and brake block, described pull bar is connected with the brake cable of slewing;
When the rotor is turning, pull brake cable can drive pull bar work, and then elasticity of compression portion, and make pressing plate and brake block inconsistent, rotor is stopped operating; After releasing of brake line, elastic portion restores to the original state, and pressing plate is separated with brake block.
2. electric machine built-in disc brake according to claim 1, is characterized in that, forms two contact sites after described pressing plate contacts with brake block, and two described contact sites are about the axisymmetrical of brake block.
3. electric machine built-in disc brake according to claim 2, it is characterized in that, described main shaft is hollow-core construction, described brake apparatus comprises the brake axle be slidably connected in main shaft, this brake axle comprises the first end being positioned at main shaft and the second end be positioned at outside main shaft, and the sidepiece of main shaft is provided with two through holes about its axisymmetrical;
Described pressing plate is strip, is located at the first end of brake axle, and the two ends of pressing plate are stretched out from two through holes respectively, and described second end is located at by described pull bar;
After pulling brake cable, brake axle and main shaft produce relative motion, make pressing plate and brake block inconsistent, the two ends of pressing plate contact formation two described contact sites with brake block.
4. electric machine built-in disc brake according to claim 3, it is characterized in that, described pull bar has two, comprise the first pull bar and the second pull bar, each pull bar includes sleeve, two sleeves are along the adjacent outside being sheathed on brake axle of axis of brake axle, and the end face that two sleeves are adjacent is the inclined-plane matched, and described elastic portion comprises the first spring be located between two sleeves; Pulling during brake cable to make two sleeves produce relative rotation, under the effect on inclined-plane two pull bars on the axis direction of brake axle away from, make the first end of brake axle to the external movement of main shaft, pressing plate be contacted with brake block, and compress described first spring; After releasing of brake line, the first spring reset makes brake axle and two pull bars get back to initial position, and pressing plate is separated with brake block.
5. electric machine built-in disc brake according to claim 4, is characterized in that, the containing cavity that the external diameter that two pull bars are equipped with internal diameter and the first spring matches, and the two ends of described first spring lay respectively in the containing cavity of two pull bars.
6. electric machine built-in disc brake according to claim 4, is characterized in that, described pressing plate has two, comprises the first pressing plate and the second pressing plate, and the first pressing plate and the second pressing plate are symmetrically set in the both sides up and down of brake block; When pulling brake cable, two pressing plates are inconsistent with two end faces up and down of brake block respectively.
7. electric machine built-in disc brake according to claim 6, is characterized in that, described elastic portion also comprises to be located on brake axle and the second spring between two pressing plates, and the inside of described main shaft is provided with two for limiting the boss of pressing plate; Second spring-compressed when pulling brake cable, the second recoil of spring during releasing of brake line also makes two pressing plates be separated with brake block.
8. electric machine built-in disc brake according to claim 7, is characterized in that, described second pressing plate is fixedly connected with brake axle, and the first pressing plate is flexibly connected with brake axle.
9. the electric machine built-in disc brake according to any one of claim 1-8, is characterized in that, described brake block comprises lamellar body and contiguous block, and described lamellar body is annular, and described contiguous block annular is uniformly distributed in the sidepiece of lamellar body; Described rotor is provided with and mates with contiguous block and the consistent connector of number.
10. electric machine built-in disc brake according to claim 9, is characterized in that, the two ends of described rotor are equipped with detachable end, and two are provided with bearing between end cap and main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243572.7A CN104810971B (en) | 2015-05-14 | 2015-05-14 | Built-in disc brake of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510243572.7A CN104810971B (en) | 2015-05-14 | 2015-05-14 | Built-in disc brake of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104810971A true CN104810971A (en) | 2015-07-29 |
| CN104810971B CN104810971B (en) | 2017-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510243572.7A Expired - Fee Related CN104810971B (en) | 2015-05-14 | 2015-05-14 | Built-in disc brake of motor |
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| Country | Link |
|---|---|
| CN (1) | CN104810971B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0045591A1 (en) * | 1980-07-31 | 1982-02-10 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic clutch motor |
| CN2469605Y (en) * | 2001-03-21 | 2002-01-02 | 李书贤 | Motor with braking rim |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127231B (en) * | 1982-07-27 | 1987-08-19 | Papst Motoren Gmbh & Co Kg | Drive motor unit for signal-processing devices especially information-storage-disk devices |
| CN1510819A (en) * | 2002-12-26 | 2004-07-07 | 吴声震 | Brake motor |
| CN2633731Y (en) * | 2003-08-08 | 2004-08-18 | 徐爱萍 | Rear wheel disc braker of electric bicycle |
| CN201623581U (en) * | 2010-02-23 | 2010-11-03 | 潘铁峰 | Motor of electric bicycle |
| CN204578288U (en) * | 2015-05-14 | 2015-08-19 | 吴凤松 | Electric machine built-in disc brake |
-
2015
- 2015-05-14 CN CN201510243572.7A patent/CN104810971B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0045591A1 (en) * | 1980-07-31 | 1982-02-10 | Matsushita Electric Industrial Co., Ltd. | Electromagnetic clutch motor |
| CN2469605Y (en) * | 2001-03-21 | 2002-01-02 | 李书贤 | Motor with braking rim |
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| Publication number | Publication date |
|---|---|
| CN104810971B (en) | 2017-05-24 |
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Inventor after: Wu Fengsong Inventor after: Luo Zhiliang Inventor before: Wu Fengsong |
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Effective date of registration: 20160530 Address after: Suzhou City, Jiangsu province 215000 Xing Pu Road Suzhou Industrial Park No. 333 modern industrial workshop 4-4-B Applicant after: Suzhou Haohaomai sports equipment Co. Ltd Address before: 215000 room 1, 603 Garden Village, Suzhou Industrial Park, Jiangsu Applicant before: Wu Fengsong |
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