CN103545982B - A kind of rotary-type braking loads motor - Google Patents
A kind of rotary-type braking loads motor Download PDFInfo
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- CN103545982B CN103545982B CN201310537349.4A CN201310537349A CN103545982B CN 103545982 B CN103545982 B CN 103545982B CN 201310537349 A CN201310537349 A CN 201310537349A CN 103545982 B CN103545982 B CN 103545982B
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Abstract
The invention provides a kind of rotary-type braking and load motor, comprise front-end bearing pedestal, casing, rotor, rotating shaft, stator, three-phase windings, rear bearing block, brake, rear cage and collector ring; The front end of casing is connected with external reducer, and rear end is connected with rear cage; Front-end bearing pedestal and rear bearing block are arranged on the two ends of casing respectively; Stator to be arranged in casing and to be integrally fixed with it, is embedded with three-phase windings in stator; Rotor is cage rotor, is fixed in rotating shaft, and the two ends of rotating shaft are arranged on front-end bearing pedestal and rear bearing block; Brake is located in rotating shaft, and is positioned at rear cage; Collector ring is enclosed within the axle journal of rear cage, is connected with three-phase windings and brake.In the present invention, casing, stator, front-end bearing pedestal, rear bearing block and rear cage form the rotational shell loading motor, compact conformation, and volume is little, quality is light, and dynamic balance accuracy is high; The cage rotor of employing standard, meet heavy-load start and frequent rotating in short-term, reliability is high.
Description
Technical field
The present invention relates to electric motors, particularly a kind of rotary-type braking being applied to electric synchronization loader loads motor.
Background technology
In mechanical output closed gear experimental rig, electric synchronization loader is used for simulating the real work load of tested gear box, it is the critical component in experimental rig, and to load motor be one of core of electric synchronization loader, therefore, load the performance of motor directly to affect executing of electric synchronization loader and carry stability, execute the most high workload rotating speed carrying a stationarity, dimensional profile size and permission, also just affect serviceability and the technical-economic index of mechanical output closed gear experimental rig.
Motor kind has a lot, but the loading motor being applicable to electric synchronization loader is little.The requirement loading motor is higher: (1) can realize High Rotation Speed; (2) require higher to dynamic balance accuracy, that cube is little, quality is light, require that reliability is high, also just rigors is proposed to the symmetry of loading electric motor structure, compactedness and parts precision; (3) require that there is excellent starting performance, be suitable for the operating state of heavy-load start, frequent rotating in short-term, require that braking moment is large, power-off can Braking mode immediately, and reaction speed is fast, and control precision is high, brake running state can be in for a long time, keep stable load.
At present, little with the research loaded in motor in electric synchronization loader, therefore, invent a kind of high performance electric synchronization loader loading electric tools and have very important significance.
Summary of the invention
The object of the invention is to provide the rotary-type braking being applied to electric synchronization loader that a kind of volume is little, quality is light, reliability is high and rotary speed is high to load motor, and the concrete technical scheme that the present invention adopts is as follows:
A kind of rotary-type braking loads motor, comprises front-end bearing pedestal, casing, rotor, rotating shaft, stator, three-phase windings, rear bearing block, brake, rear cage and collector ring;
The two ends of described casing are provided with flange connection surface, and the flange connection surface of front end is connected with external reducer, and the flange connection surface of rear end is connected with described rear cage;
Described front-end bearing pedestal and rear bearing block are separately positioned on the front-end and back-end of described casing;
The front-end and back-end of described rotating shaft are separately positioned on described front-end bearing pedestal and rear bearing block;
Described stator is arranged on the inside of described casing and is integrally fixed with it, is embedded with three-phase windings in described stator;
Described rotor is cage rotor, is fixed in described rotating shaft;
Described brake is arranged in described rotating shaft, and is arranged in the inner chamber of described rear cage;
Described collector ring is enclosed within the axle journal of described rear cage, is connected with described three-phase windings and described brake by electric wire, introduces outside three phase mains.
Above technical scheme is preferred, and described brake comprises brake disc, armature disc assembly, serves and yoke assembly;
Described serves is placed in described rotating shaft, by Flat dey joint, and is fixed in described rotating shaft by snap ring;
The two sides of described brake disc is pasted with friction plate, respectively with described rear bearing block and armature disc component touch; The inside of described brake disc is provided with endoporus, is provided with spline in described endoporus, and described spline housing is on described serves;
Described armature disc assembly comprises armature and armature seat, described armature and described armature seat integrally welded; Described armature seat is evenly equipped with pilot hole, and described pilot hole is arranged on described rear bearing block by guide spiro rod; On described guide spiro rod, cover has tripping spring, and the outside of described tripping spring telescopic direction is provided with adjusting nut;
Described yoke assembly is made up of yoke seat, magnet exciting coil and iron core, and described iron core is arranged on described yoke seat, and described magnet exciting coil is looped around on described iron core, and described magnet exciting coil and described iron core insulating packing are solidified togather; Described yoke assembly is arranged in the inner chamber of described rear cage by set bolt, adjusting pad and stop nut.
Above technical scheme is preferred, and the material of described armature seat is cast iron, and the material of described armature is soft magnetic material.
Above technical scheme is preferred, and the quantity of described pilot hole, guide spiro rod and tripping spring is 3.
Above technical scheme is preferred, and described rear cage is provided with location hole, and described yoke assembly is provided with providing holes; Described set bolt has two positioning cylindrical surfaces, one of them and described location hole interference fit, another and described providing holes matched in clearance; Described adjusting pad is opening shape, is arranged between described yoke assembly and described rear cage; Described armature disc assembly is fixed together by adjusting bolt and described yoke assembly.
Above technical scheme is preferred, and described collector ring comprises slip-ring seat, slip ring, pressure ring, round nut and lock washer;
Described slip ring interference is enclosed within slip-ring seat, and described slip-ring seat is mutually a angle at circumferential position, and a is 120 °, corresponding with the position of the wire casing on described rear cage;
Described pressure ring is close to described slip ring and is arranged, and compressed by described round nut, described lock washer locks described round nut.
Above technical scheme is preferred, and the quantity of described slip ring, slip-ring seat is 3.
In order to reach better technique effect, also comprise elastomeric element, described rear bearing block is provided with brearing bore, and described elastomeric element is arranged in described brearing bore.
Above technical scheme is preferred, and described elastomeric element is wavy spring.
Above technical scheme is preferred, and described casing is loop configuration, and on its cylindrical, two ends have steam vent, and described front-end bearing pedestal and rear bearing block are all positioned by described casing cylindrical; Described rotating shaft is arranged on described front-end bearing pedestal and rear bearing block by bearing.
The present invention has following beneficial effect:
(1) in the present invention, casing, stator, front-end bearing pedestal, rear bearing block and rear cage form the rotary-type shell loading motor, compact conformation, and volume is little, quality is light, and dynamic balance accuracy is high, and reliability is strong, can realize High Rotation Speed.
(2) rotor in the present invention adopts the cage rotor of standard, has high-effect and excellent starting performance during operation, and be suitable for the operating state of heavy-load start, frequent rotating in short-term, reliability is high, low cost of manufacture.
(3) in the present invention, brake adopts three-phase alternating current excitation, and exciting voltage is identical with loading motor, and for brake provides power, can ensure that the rotor loading motor is synchronoused working with brake, reliability is high, and wiring is simple, easy to operate; Brake disc adopts both surface friction sheet, and braking moment is large, and volume is little, quality is light, can keep stable load for a long time; Tripping spring can change decrement, for adjustable brake moment and retro-speed, practical; The combination of brake disc, armature disc assembly and yoke assembly, realizes the power-off brake mode of brake, meets the operating characteristic requirement loading motor, and convenience is installed, operating cost is low.
(4) in the present invention, collector ring adopts slip-ring seat, slip ring, pressure ring, round nut and lock washer to be assembled, and axial length is short, further shorten the length loading motor.
(5) be also provided with elastomeric element in the present invention, for preloaded bearing, improve stability when motor of the present invention rotates.
(6) in the present invention, the inside of brake disc is provided with endoporus, is provided with spline in endoporus, and spline housing, on serves, is convenient to sliding axially of brake disc.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional view of the preferred embodiment of the present invention 1;
Fig. 2 is that partial sectional view is looked on the right side of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can limit according to claim and cover is implemented.
The open a kind of rotary-type braking of the present invention loads motor, comprise front-end bearing pedestal 1, casing 2, rotor 3, rotating shaft 4, stator 5, three-phase windings 6, rear bearing block 7, brake 8, rear cage 9, collector ring 10 and elastomeric element 11, casing 2, stator 5, front-end bearing pedestal 1, rear bearing block 7 and rear cage 9 form the rotary-type shell loading motor, compact conformation, volume is little, quality is light, and dynamic balance accuracy is high, and reliability is strong, can High Rotation Speed be realized, refer to Fig. 1.
Described casing 2 loop configuration, on its cylindrical, two ends have steam vent, and its front-end and back-end are equipped with flange connection surface, and the inside of its front-end and back-end is equipped with endoporus; The flange connection surface of front end is connected with external reducer, and the flange connection surface of rear end is connected with described rear cage 9.
Described front-end bearing pedestal 1 and rear bearing block 7 are arranged in the endoporus of the front-end and back-end of casing 2 respectively, and the inside of described front-end bearing pedestal 1 and rear bearing block 7 is equipped with brearing bore.
Described stator 5 is the standard stator of asynchronous motor, is arranged on the inside of described casing 2 and is integrally fixed with it, is embedded with three-phase windings 6 in described stator 5.
Described rotor 3 is the cage rotor of standard, be fixed in described rotating shaft 4, described rotating shaft 4 is arranged in the brearing bore of described front-end bearing pedestal 1 and rear bearing block 7 by bearing 12, the cage rotor of standard, there is high-effect and excellent starting performance during operation, be suitable for the operating state of heavy-load start, frequent rotating in short-term, reliability is high, low cost of manufacture.
Described brake 8 is arranged in described rotating shaft 4, and is arranged in the inner chamber of described rear cage 9.Described brake 8 comprises brake disc 8.12, armature disc assembly 8.11, serves 8.2 and yoke assembly 8.10, the two sides of described brake disc 8.12 is pasted with friction plate, contact with armature disc assembly 8.11 with described rear bearing block 7 respectively, braking moment is large, volume is little, quality is light, can keep stable load for a long time.
The inside of described brake disc 8.12 is provided with endoporus, is provided with spline in described endoporus, and described spline housing, on described serves 8.2, can slide axially; Described serves 8.2 is placed in described rotating shaft 4, is connected by flat key 8.1, and is fixed in described rotating shaft 4 with snap ring 8.13; Described armature disc assembly 8.11 comprises armature and armature seat, and the material of described armature seat is cast iron, and the material of described armature is soft magnetic material, and both are integrally welded; Described armature seat is evenly equipped with 3 pilot holes, described pilot hole is arranged on described rear bearing block 7 by 3 guide spiro rods 8.3, can slide axially; On described guide spiro rod 8.3, cover has 3 tripping springs 8.4, the outside of the telescopic direction of described tripping spring 8.4 is provided with adjusting nut 8.5, the spring force of adjustable tripping spring 8.4, thus change the active force to brake disc 8.12, the braking moment of regulating brake 8 and retro-speed.
Described yoke assembly 8.10 is by yoke seat, magnet exciting coil and iron core composition, described iron core is arranged on described yoke seat, described magnet exciting coil is looped around on described iron core, be solidified togather with insulating packing, safe and reliable, and by set bolt 8.8, adjusting pad 8.7 and stop nut 8.6 are arranged in the inner chamber of described rear cage 9, be specially: described set bolt 8.8 has two positioning cylindrical surfaces, location hole interference fit on one of them and described rear cage 9, another coordinates with the installing hole small―gap suture on described yoke assembly 8.10, ensure the axiality of yoke assembly 8.10, described adjusting pad 8.7 is opening shape, and be arranged between described yoke assembly 8.10 and described rear cage 9, installation accuracy is high, described armature disc assembly 8.11 is fixed together by adjusting bolt 8.9 and described yoke assembly 8.10, ensures to leave necessary assemblage gap between the two.
Described collector ring 10 comprises slip-ring seat 10.1, slip ring 10.2, pressure ring 10.3, round nut 10.4 and lock washer 10.5, the quantity of described slip ring 10.2, slip-ring seat 10.1 is 3, the interference of described slip ring 10.2 is enclosed within slip-ring seat 10.1, described slip-ring seat 10.1 circumferential position is mutually a angle, a is 120 °, corresponding with the position of the wire casing on described rear cage 9, refer to Fig. 2; Described pressure ring 10.3 is close to described slip ring 10.2 and is installed, and is compressed by described round nut 10.4, and described lock washer 10.5 locks described round nut 10.4, collector ring 10 adopts fabricated construction, and axial length is short, further shorten the length loading motor.
The interference of described collector ring 10 is enclosed within the axle journal of described rear cage 9, is connected, introduces outside three phase mains by the magnet exciting coil of electric wire with described three-phase windings 6 and described brake 8.
Described elastomeric element 11 selects wavy spring, is arranged in the brearing bore of rear bearing block 7, for preloaded bearing, improves stability when motor of the present invention rotates.
In sum, in the present invention, casing 2, stator 5, front-end bearing pedestal 1, rear bearing block 7 and rear cage 9 form the rotary-type shell loading motor; The cylindrical of rear cage 9 there is an external bearings strong point, the external reducer shell be connected there is another bearings point, by two external bearings strong points, the loading motor joined together by bolt and straight pin and external reducer are arranged on bearing, can around axis High Rotation Speed.Described brake 8 adopts power-off brake mode, meet the operating characteristic requirement loading motor, reliable operation, and it is energy-conservation, be specially: during power-off, utilize tripping spring 8.4 to compress armature disc assembly 8.11, make brake disc 8.12 produce braking moment with armature disc assembly 8.11 and rear bearing block 7 two sides, rotor 3 can not freely rotate, and loads motor and is in on-position; During energising, yoke assembly 8.10 adsorbs armature disc assembly 8.11, take-off the brake dish 8.12, loads motor and enters operating state.
When rotary-type braking loading motor of the present invention is applied in pilot system, an axle head of pilot system is linked into by the output flange axle of external reducer, by being linked into another axle head of pilot system with the joining ring flange of rear cage 9 spline, load the low-force square of motor input, through the moment amplification effect of external reducer, between two axle heads of pilot system, produce larger closed moment of torsion.
The foregoing is only the preferred embodiments 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. rotary-type braking loads a motor, it is characterized in that: comprise front-end bearing pedestal (1), casing (2), rotor (3), rotating shaft (4), stator (5), three-phase windings (6), rear bearing block (7), brake (8), rear cage (9) and collector ring (10);
The two ends of described casing (2) are provided with flange connection surface, and the flange connection surface of front end is connected with external reducer, and the flange connection surface of rear end is connected with described rear cage (9);
Described front-end bearing pedestal (1) and rear bearing block (7) are separately positioned on the front-end and back-end of described casing (2);
The front-end and back-end of described rotating shaft (4) are separately positioned on described front-end bearing pedestal (1) and rear bearing block (7);
Described stator (5) is arranged on the inside of described casing (2) and is integrally fixed with it, is embedded with three-phase windings (6) in described stator (5);
Described rotor (3) is cage rotor, is fixed in described rotating shaft (4);
Described brake (8) is arranged in described rotating shaft (4), and is arranged in the inner chamber of described rear cage (9);
Described collector ring (10) is enclosed within the axle journal of described rear cage (9), is connected, introduces outside three phase mains by electric wire with described three-phase windings (6) and described brake (8).
2. rotary-type braking according to claim 1 loads motor, it is characterized in that: described brake (8) comprises brake disc (8.12), armature disc assembly (8.11), serves (8.2) and yoke assembly (8.10);
Described serves (8.2) is placed in described rotating shaft (4), is connected by flat key (8.1), and is fixed in described rotating shaft (4) by snap ring (8.13);
The two sides of described brake disc (8.12) is pasted with friction plate, contacts respectively with described rear bearing block (7) with armature disc assembly (8.11); The inside of described brake disc (8.12) is provided with endoporus, is provided with spline in described endoporus, and described spline housing is on described serves (8.2);
Described armature disc assembly (8.11) comprises armature and armature seat, described armature and described armature seat integrally welded; Described armature seat is evenly equipped with pilot hole, and described pilot hole is arranged on described rear bearing block (7) by guide spiro rod (8.3); The upper cover of described guide spiro rod (8.3) has tripping spring (8.4), and the outside of described tripping spring (8.4) telescopic direction is provided with adjusting nut (8.5);
Described yoke assembly (8.10) is made up of yoke seat, magnet exciting coil and iron core, and described iron core is arranged on described yoke seat, and described magnet exciting coil is looped around on described iron core, and described magnet exciting coil and described iron core insulating packing are solidified togather; Described yoke assembly (8.10) is arranged in the inner chamber of described rear cage (9) by set bolt (8.8), adjusting pad (8.7) and stop nut (8.6).
3. rotary-type braking according to claim 2 loads motor, and it is characterized in that: the material of described armature seat is cast iron, the material of described armature is soft magnetic material.
4. rotary-type braking according to claim 2 loads motor, it is characterized in that: the quantity of described pilot hole, guide spiro rod (8.3) and tripping spring (8.4) is 3.
5. rotary-type braking according to claim 2 loads motor, it is characterized in that: described rear cage (9) is provided with location hole, and described yoke assembly (8.10) is provided with providing holes; Described set bolt (8.8) has two positioning cylindrical surfaces, one of them and described location hole interference fit, another and described providing holes matched in clearance; Described adjusting pad (8.7) is opening shape, is arranged between described yoke assembly (8.10) and described rear cage (9); Described armature disc assembly (8.11) is fixed together by adjusting bolt (8.9) and described yoke assembly (8.10).
6. rotary-type braking according to claim 1 loads motor, it is characterized in that: described collector ring (10) comprises slip-ring seat (10.1), slip ring (10.2), pressure ring (10.3), round nut (10.4) and lock washer (10.5);
Described slip ring (10.2) interference is enclosed within described slip-ring seat (10.1), and described slip-ring seat (10.1) circumferential position is mutually a angle, and a is 120 °, and corresponding with the position of the wire casing on described rear cage (9);
Described pressure ring (10.3) is close to described slip ring (10.2) and is arranged, and is compressed by described round nut (10.4), and described lock washer (10.5) locks described round nut (10.4).
7. rotary-type braking according to claim 6 loads motor, it is characterized in that: the quantity of described slip ring (10.2), slip-ring seat (10.1) is 3.
8. load motor according to the rotary-type braking in claim 1-7 described in any one, it is characterized in that: also comprise elastomeric element (11), described rear bearing block (7) is provided with brearing bore, and described elastomeric element (11) is arranged in described brearing bore.
9. rotary-type braking according to claim 8 loads motor, it is characterized in that: described elastomeric element (11) is wavy spring.
10. rotary-type braking according to claim 1 loads motor, it is characterized in that: described front-end bearing pedestal (1) and rear bearing block (7) are all positioned by described casing (2) cylindrical; Described rotating shaft (4) is separately positioned on described front-end bearing pedestal (1) and rear bearing block (7) by bearing (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537349.4A CN103545982B (en) | 2013-11-04 | 2013-11-04 | A kind of rotary-type braking loads motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310537349.4A CN103545982B (en) | 2013-11-04 | 2013-11-04 | A kind of rotary-type braking loads motor |
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| Publication Number | Publication Date |
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| CN103545982A CN103545982A (en) | 2014-01-29 |
| CN103545982B true CN103545982B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310537349.4A Active CN103545982B (en) | 2013-11-04 | 2013-11-04 | A kind of rotary-type braking loads motor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1532298A (en) * | 1967-01-18 | 1968-07-12 | Moteurs Leroy | Advanced brake motor with no current |
| CN101858824A (en) * | 2010-05-17 | 2010-10-13 | 哈尔滨工程大学 | Shaft end type torque loader |
| CN101865769A (en) * | 2010-05-17 | 2010-10-20 | 哈尔滨工程大学 | Serial torque loader |
| CN102004033A (en) * | 2010-11-11 | 2011-04-06 | 山西省平遥减速器有限责任公司 | Machine loader |
| CN201805332U (en) * | 2010-06-30 | 2011-04-20 | 南通市远中电机制造有限公司 | Electromagnetic braking three-phase asynchronous motor |
| CN102840978A (en) * | 2012-08-25 | 2012-12-26 | 郭茂林 | Megawatt level mechanical total power sealed gear test-bed |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04125046A (en) * | 1990-09-14 | 1992-04-24 | Matsushita Electric Works Ltd | Motor with speed reducer |
-
2013
- 2013-11-04 CN CN201310537349.4A patent/CN103545982B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1532298A (en) * | 1967-01-18 | 1968-07-12 | Moteurs Leroy | Advanced brake motor with no current |
| CN101858824A (en) * | 2010-05-17 | 2010-10-13 | 哈尔滨工程大学 | Shaft end type torque loader |
| CN101865769A (en) * | 2010-05-17 | 2010-10-20 | 哈尔滨工程大学 | Serial torque loader |
| CN201805332U (en) * | 2010-06-30 | 2011-04-20 | 南通市远中电机制造有限公司 | Electromagnetic braking three-phase asynchronous motor |
| CN102004033A (en) * | 2010-11-11 | 2011-04-06 | 山西省平遥减速器有限责任公司 | Machine loader |
| CN102840978A (en) * | 2012-08-25 | 2012-12-26 | 郭茂林 | Megawatt level mechanical total power sealed gear test-bed |
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| CN103545982A (en) | 2014-01-29 |
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Effective date of registration: 20151104 Address after: Dong Jia Duan high-tech park in Hunan province 412002 Zhuzhou city Lusong District Applicant after: Hunan Nanfang Aviation High Precision Transmission Co., Ltd. Address before: Dong Jia Duan high-tech park in Hunan province 412002 Zhuzhou city Lusong District Applicant before: Zhuzhou Gaojing Transmission Technology Co., Ltd. |
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