CN205004928U - Low -speed torque motors for numerical control - Google Patents
Low -speed torque motors for numerical control Download PDFInfo
- Publication number
- CN205004928U CN205004928U CN201520675649.3U CN201520675649U CN205004928U CN 205004928 U CN205004928 U CN 205004928U CN 201520675649 U CN201520675649 U CN 201520675649U CN 205004928 U CN205004928 U CN 205004928U
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- China
- Prior art keywords
- bearing
- rotor
- stator
- coil
- magnet steel
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 12
- 210000004907 gland Anatomy 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a low -speed torque motors for numerical control, it includes the frame and sets up rotor subassembly, stator winding and the center pin in the frame, wherein the rotor subassembly mainly includes from outside to inside barring ring gear and the rotor established of cover each other the inner circle surface of rotor is provided with the magnet steel, stator winding sets up in the rotor subassembly, including the stator with around the coil on the stator, leave certain clearance between coil and the magnet steel, the stator is installed on the bearing, the center pin is provided with deep groove ball bearing in wearing to locate the bearing between center pin 2 and bearing, the while is gland and back gland before install respectively at the both ends of bearing the outside of frame is provided with rings, the terminal box that is used for hoisting usefulness and installs in the inside terminal that is linked together with the coil of being used for of terminal box. A low -speed torque motors for numerical control, its simple structure, the cost of manufacture is lower, long service life that the permanent power of, the slow -speed of revolution, big moment of torsion.
Description
Technical field
The utility model relates to a kind of numerical control low speed torque motor, particularly relates to the straight drive torque motor of a kind of AC permanent-magnet.
Background technology
The straight drive torque motor of AC permanent-magnet is along with power electronic device technology, and Novel variable-frequency technology, the development of Computer Control Technology produces.It belongs to novel rising industry, high-end sci-tech product.
Compared with traditional gear drive, it substitutes mechanical gear transmission with electronics gear drive, realize electrodeless variable-speed, motor directly can drive load, thus improve transmission efficiency, efficiency raises the efficiency about 30-40% than mechanic gear, simultaneously also corresponding energy-conservation about 30-40%, also a saving a large amount of gear oils, achieve green, environmental protection, pollution-free.
Asynchronous machine starting current is large, and be 5-6 times of permanent magnet direct-drive torque motor starting current, the motor device matched like this, mains supply equipment is corresponding increasing also, thus adds the supporting cost of corollary equipment.Tradition manufactures the confidential use of synchronous electric 2 groups of coils, causes motor volume to increase like this, consumes a large amount of copper material, and want the annex such as brush, commutator, and manufacturing cost improves, complex structure, inconvenient maintenance, and useful life shortens.
Utility model content
Technical problem to be solved in the utility model is the numerical control low speed torque motor providing a kind of invariable power, the slow-speed of revolution, high pulling torque for above-mentioned prior art, and its structure is simple, and cost of manufacture is lower, long service life.
The technical scheme in the invention for solving the above technical problem is: a kind of numerical control low speed torque motor, it comprises support and is arranged at the rotor assembly in support, stator winding and central shaft, wherein rotor assembly mainly comprises jiggering gear ring mutually sheathed from outside to inside and rotor, the inner peripheral surface of described rotor is provided with magnet steel, described stator winding is arranged in rotor assembly, comprise stator and be around in the coil on stator, certain gap is left between coil and magnet steel, described stator is installed on bearing, described central shaft is arranged in bearing, deep groove ball bearing is provided with between central shaft 2 and bearing, gland and rear pressing cover before the two ends of bearing are separately installed with simultaneously, the suspension ring for lifting are had in the outer setting of described support, terminal box be installed on the binding post of junction box for being connected with coil.
Described magnet steel is divided into N, S the two poles of the earth, and order is N, S, N ..., within one week, be 20 pieces, 10 pieces of N, 10 pieces of S, point 2 row are pasted on the inner peripheral surface of rotor, amount to 40 pieces, are separated between adjacent two magnet steel by nylon parting bead.
Compared with prior art, the utility model has the advantage of:
1, anodontialy directly to drive, energy-efficient.
Compared with traditional gear drive, it substitutes mechanical gear transmission with electronics gear drive, realize electrodeless variable-speed, motor directly can drive load, thus improve transmission efficiency, efficiency raises the efficiency about 30-40% than mechanic gear, simultaneously also corresponding energy-conservation about 30-40%, also a saving a large amount of gear oils, achieve green, environmental protection, pollution-free.
2, invariable power, the slow-speed of revolution, high pulling torque.
Permanent magnet direct-drive torque motor adopts multipole winding, the direct current machine of permanent magnet just in time with traditional on rotor is contrary, servo-driver provides three-phase alternating current to servomotor, the displacement of tracking motor rotor simultaneously, and feedback speed and positional information are in computer system, the magnetic field that rotor permanent magnet and stator winding produce, spatially vertical all the time, thus acquisition breakdown torque, every electricity mutually produces corresponding torque, form constant torque after every phase torque superposition to export, add the overload capacity powerful feature that synchronous machine is intrinsic again, nominal torque can be realized in the short time and export double output torque, by frequency-conversion pole-changing transformation, realize the slow-speed of revolution, high pulling torque, invariable power, this is that any motor is all incomparable.
3, structure is simple, and cost is lower, and the life-span is longer.
Tradition manufactures the confidential use of synchronous electric 2 groups of coils, causes motor volume to increase like this, consumes a large amount of copper material, and want the annex such as brush, commutator, and manufacturing cost improves, complex structure, inconvenient maintenance, and useful life shortens.The manufacture of permanent magnet direct-drive torque motor, have employed rare earth material (existing general employing high strength neodymium iron boron) permanent magnet and set up a permanent magnetic field, original DC excitation winding can be removed, remove brush, the annexes such as commutator, make electric machine structure simpler like this, compacter, manufacturing cost significantly reduces, and not fragile, easy to maintenance, life.
4, starting current is little, and required match appliance cost of equipment reduces greatly.
Asynchronous machine starting current is large, and be 5-6 times of permanent magnet direct-drive torque motor starting current, the motor device matched like this, mains supply equipment is corresponding increasing also, thus adds the supporting cost of corollary equipment.If enterprise's drive apparatus transform SERVO CONTROL AC permanent-magnet direct driving motor system as, the basis of existing equipment at dilatation 5-6 doubly, can meet the normal Production requirement of enterprise.
5, control precision is high, accurate positioning, and quick respective capabilities is strong.
AC magnetoelectric machine adopts the Novel power semiconductor that advanced switching frequency is very high, circuit, function, Communication Set is integrated, realizes intelligent control system.Unified control unit, as long as by software design patterns system parameters, just its performance can be changed, high-precision Full-closed servo can be formed by interface with outside position, speed and torque sensor and control, as long as the resolution of sensor-based system improves by user, control precision can reach a second class precision.When designing motor, the parameter such as back-emf, inductance being optimized, just can reaching accurate positioning, corresponding fast, this is also all incomparable characteristic of asynchronous machine, stepping motor.
Accompanying drawing explanation
Fig. 1 is the structural representation in the utility model embodiment;
Fig. 2 is the AA cutaway view of Fig. 1.
Fig. 3 is the structural representation of the utility model embodiment rotor assembly.
Fig. 4 is the AA cutaway view of Fig. 3.
Wherein:
Support 1, central shaft 2, jiggering gear ring 3, rotor 4, magnet steel 5, nylon parting bead 6, stator 7, coil 8, bearing 9, deep groove ball bearing 10, front gland 11, rear pressing cover 12, suspension ring 13, terminal box 14, binding post 15.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Fig. 1-Fig. 4, a kind of numerical control low speed torque motor in the present embodiment, model: WYT-2-2000, rated voltage: 380V, rated current: 90A, nominal torque: 2238NM, rated frequency: 32Hz, motor pole number: 20 poles, motor speed: 192rpm, car speed 2m/s, traction sheave diameter: 2 × 400mm, loading capacity: 2T, power: 45KW, power factor: 95%, efficiency: 90%, duty: S5, hang: 2:1, degree of protection: the IP41 class of insulation: F, grooving is U-shaped: 2 × 5 × 10 × 16, the rotor assembly that it comprises support 1 and is arranged in support 1, stator winding and central shaft 2, wherein rotor assembly mainly comprises jiggering gear ring 3 mutually sheathed from outside to inside and rotor 4, the inner peripheral surface of described rotor 4 is provided with magnet steel 5(and permanent magnet), magnet steel is divided into N, S the two poles of the earth, order is N, S, N within one week, be 20 pieces, 10 pieces of N, 10 pieces of S, 2 row are divided to be pasted on the inner peripheral surface of rotor 4, amount to 40 pieces, separated by high-strength nylon parting bead 6 between adjacent two magnet steel 5, described stator winding is arranged in rotor assembly, the coil 8 comprising stator 7 and be around on stator 7, certain gap is left between coil 8 and magnet steel 5, the direct current machine of magnet steel 5 just in time with traditional on rotor is contrary, servo-driver provides three-phase alternating current to servomotor, the displacement of tracking motor rotor simultaneously, and feedback speed and positional information are in computer system, the magnetic field that rotor permanent magnet and stator winding produce, spatially vertical all the time, thus acquisition breakdown torque, every electricity mutually produces corresponding torque, form constant torque after every phase torque superposition to export, add the overload capacity powerful feature that synchronous machine is intrinsic again, nominal torque can be realized in the short time and export double output torque, by frequency-conversion pole-changing transformation, realize the slow-speed of revolution, high pulling torque, invariable power,
Described stator 7 is installed on bearing 9, described central shaft 2 is arranged in bearing 9, deep groove ball bearing 10 is provided with between central shaft 2 and bearing 9, gland 11 and rear pressing cover 12 before the two ends of bearing 9 are separately installed with, have the suspension ring 13 for lifting, terminal box 14 in the outer setting of described support 1 and be installed on the binding post 15 of terminal box 14 inside for being connected in coil 8 simultaneously.
In addition to the implementation, the utility model also includes other execution modes, the technical scheme that all employing equivalents or equivalent substitute mode are formed, within the protection range that all should fall into the utility model claim.
Claims (2)
1. a numerical control low speed torque motor, it is characterized in that the rotor assembly that it comprises support (1) and is arranged in support (1), stator winding and central shaft (2), wherein rotor assembly mainly comprises jiggering gear ring (3) mutually sheathed from outside to inside and rotor (4), the inner peripheral surface of described rotor (4) is provided with magnet steel (5), described stator winding is arranged in rotor assembly, comprise stator (7) and be around in the coil (8) on stator (7), certain gap is left between coil (8) and magnet steel (5), described stator (7) is installed on bearing (9), described central shaft (2) is arranged in bearing (9), deep groove ball bearing (10) is provided with between central shaft 2 and bearing (9), be separately installed with front gland (11) and rear pressing cover (12) at the two ends of bearing (9) simultaneously, the suspension ring (13) for lifting are had in the outer setting of described support (1), terminal box (14) be installed on terminal box (14) inside and be used for the binding post (15) that is connected with coil (8).
2. a kind of numerical control low speed torque motor according to claim 1, it is characterized in that described magnet steel (5) is divided into N, S the two poles of the earth, order is N, S, N ..., within one week, be 20 pieces, 10 pieces of N, 10 pieces of S, divide 2 row to be pasted on the inner peripheral surface of rotor (4), amount to 40 pieces, separated by nylon parting bead (6) between adjacent two magnet steel (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675649.3U CN205004928U (en) | 2015-09-02 | 2015-09-02 | Low -speed torque motors for numerical control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520675649.3U CN205004928U (en) | 2015-09-02 | 2015-09-02 | Low -speed torque motors for numerical control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004928U true CN205004928U (en) | 2016-01-27 |
Family
ID=55161799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520675649.3U Expired - Fee Related CN205004928U (en) | 2015-09-02 | 2015-09-02 | Low -speed torque motors for numerical control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004928U (en) |
-
2015
- 2015-09-02 CN CN201520675649.3U patent/CN205004928U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20160902 |