CN204150992U - Permanent magnetism winch - Google Patents
Permanent magnetism winch Download PDFInfo
- Publication number
- CN204150992U CN204150992U CN201420617610.1U CN201420617610U CN204150992U CN 204150992 U CN204150992 U CN 204150992U CN 201420617610 U CN201420617610 U CN 201420617610U CN 204150992 U CN204150992 U CN 204150992U
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- drum shaft
- bearing
- rare earth
- stator
- permanent
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Abstract
The utility model relates to a kind of permanent magnetism winch, comprise frame, reel group, it is characterized in that: reel group is by drum shaft, reel, the multiple outer rotor rare earth permanent-magnet synchronization motor compositions in drum shaft are arranged on along drum shaft axially spaced-apart, outer rotor rare earth permanent-magnet synchronization motor is by the female splines stator with drum shaft key connecting, with the male splines rotor of mandrel interior wall key connecting, be fixed on the stator winding of female splines stator periphery, be embedded in the permanent magnet composition of male splines rotor inner circumferential, male splines two ends of rotor utilizes screw to be fixed with end hub respectively, between end hub and female splines stator, bearing is installed, bearing utilizes snap ring and end cap location, drum shaft is hollow shaft and the position of the corresponding stator winding of hollow shaft offers through wires hole, frame corresponding reel group end position is provided with plate disc brake.Its reasonable in design, safe and reliable, adopt outer rotor rare earth permanent-magnet synchronization motor, have energy-saving and environmental protection, intellectuality, from heavy and light, the advantage such as noise is little, maintenance rate is low.
Description
Technical field
The utility model relates to weight-lifting equipment, particularly a kind of permanent magnetism winch adopting outer rotor rare earth permanent-magnet synchronization motor.
Background technology
Winch is widely used in the industries such as metallurgy, building, chemical industry, electric power, both can vertical as independently weight-lifting equipment, tilt, horizontal hoist article, also can as the lifting mechanism parts of various winding type hoisting crane.Traditional winch is made up of electrical motor, reductor, drg, reel group, coupler, transmission shaft etc.Wherein electrical motor adopts asynchronous motor, and its power factor is lower, operationally must absorb delayed reactive volt-amperes to electrical network, unfavorable to operation of power networks, and induction motor drive poor-performing, is unfavorable for the control to reel simultaneously; Be connected reductor and coupler between drive motor with transmission shaft, not only there is transmission complexity, problem that mechanical efficiency is low, add trouble point simultaneously, maintenance, maintenance cost are high.Therefore along with proposition that is energy-conservation, non-maintaining, that require from heavy and light, intellectuality etc., traditional winch can not adapt to market demand.
Along with the continuous application of rare earth permanent-magnetic material performance improves, price constantly reduces, and China has again the world-class advantage of global rare earth mineral reserve owning amount in addition, and therefore rare-earth permanent-magnet electric machine technical development is in recent years rapid.Rare earth permanent-magnet synchronization motor, with the high performance of the large torque of its slow speed of revolution, makes it open wide space in the application of Crane Industry, but how is better applied in winch by rare earth permanent-magnet synchronization motor and needs further to explore and research.
Summary of the invention
The purpose of this utility model is to provide a kind of reasonable in design, safe and reliable permanent magnetism winch, adopts outer rotor rare earth permanent-magnet synchronization motor, have energy-saving and environmental protection, intellectuality, from heavy and light, the advantage such as noise is little, maintenance rate is low.
The technical solution of the utility model is:
A kind of permanent magnetism winch, comprise frame, bearing is utilized to be fixed on reel group in frame, it is characterized in that: described reel group is by the drum shaft of two end supports on bearing, be supported in the reel of drum shaft outside, the multiple outer rotor rare earth permanent-magnet synchronization motor compositions in drum shaft are arranged on along drum shaft axially spaced-apart, described outer rotor rare earth permanent-magnet synchronization motor is by the female splines stator with drum shaft key connecting, be supported in female splines stator exterior and with the male splines rotor of mandrel interior wall key connecting, be fixed on the stator winding of female splines stator periphery, be embedded in the permanent magnet composition of male splines rotor inner circumferential, described male splines two ends of rotor utilizes screw to be fixed with end hub respectively, between described end hub and female splines stator, bearing is installed, described bearing utilizes snap ring and end cap location, described end cap utilizes screw to be connected and fixed with end hub, described drum shaft is hollow shaft and the position of the corresponding stator winding of hollow shaft offers through wires hole for wearing cable, described frame corresponding reel group end position is provided with plate disc brake.
Above-mentioned permanent magnetism winch, described reel two ends utilize screw to be fixedly connected with end hub respectively, between described end hub and drum shaft, bearing is installed, described bearing utilizes snap ring and end cap location, described end cap utilizes screw to be connected and fixed with end hub, be provided with locating bush between the outer rotor rare earth permanent-magnet synchronization motor at described drum shaft two ends and bearing, between adjacent outer rotor rare earth permanent-magnet synchronization motor, be provided with spacing sleeve.
Above-mentioned permanent magnetism winch, described drum shaft two ends are respectively equipped with only axillare, and described only axillare utilizes screw to be fixedly connected with bearing.
Above-mentioned permanent magnetism winch, is set to optical axis in the middle part of described drum shaft, and the position of the corresponding outer rotor rare earth permanent-magnet synchronization motor in both sides, middle part is set to castellated shaft.
The beneficial effects of the utility model are:
1, compared with traditional winch, multiple stage outer rotor rare earth permanent-magnet synchronization motor is adopted to drive, stator, the rotor of outer rotor rare earth permanent-magnet synchronization motor adopt splined with elevator axle, cylinder respectively, thus realize the object of band movable reel winding reel axle rotation, because outer rotor rare earth permanent-magnet synchronization motor has the feature of low-speed big, therefore ensure that reel operates steadily, good speed adjustment features.Male splines rotor utilizes end hub and bearings on female splines stator, ensure that the relative motion of stator and rotor, and reel utilizes end hub and bearings in drum shaft, ensure that the relative motion between reel and drum shaft.
2, compared with traditional winch, eliminate the reductor of traditional winch and the parts that are in transmission connection, improve mechanical efficiency, reduce noise, thoroughly solve the problems such as reductor leakage of oil, reduce maintenance rate, improve safety factor.
3, winder motor is that multiple stage coaxially uses, and can adopt the mode that control and coordinated signals respectively combine.The lifting load of winch is not permanent load, and select corresponding mode (winch as rated load 30 tons is that four motors use driving simultaneously when lifting load changes; When lifting load is 15 ton hours, wherein two motors can be selected to work simultaneously), thus save electric energy and improve winch service life.
4, winch of the present invention, if when a motor in reel in group of motors is out of order, all the other motors can work on, can use winch degradation.This characteristic can gain time to maintenance, reduces the loss because winch fault causes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is reel group inner structure schematic diagram of the present utility model;
Fig. 3 is the structural representation of outer rotor rare earth permanent-magnet synchronization motor of the present utility model;
Fig. 4 is the lateral plan of Fig. 3.
In figure, sequence number illustrates: 1 frame, 2 bearings, 3 reel groups, 4 plate disc brakies, 5 stop axillare, 6 end caps, 7 snap rings, 8 bearings, 9 end hubs, 10 locating bushs, 11 outer rotor rare earth permanent-magnet synchronization motors, 12 spacing sleeves, 13 drum shaft, 14 reels, 15 end caps, 16 bearings, 17 end hubs, 18 male splines rotors, 19 permanent magnets, 20 stator winding, 21 snap rings, 22 female splines stators, 23 through wires holes, 24 cables.
Detailed description of the invention
As shown in the figure, this permanent magnetism winch, comprise frame 1, utilize bearing 2 to be fixed on reel group 3 in frame 1, frame 1 corresponding reel group 3 end position is provided with plate disc brake 4, and plate disc brake 4 is two braking models.Reel group 3 is made up of the drum shaft 13 of two end supports on bearing 2, the reel 14 being supported in drum shaft 13 outside, multiple outer rotor rare earth permanent-magnet synchronization motors 11 of being arranged in drum shaft 13 along drum shaft 13 axially spaced-apart.Outer rotor rare earth permanent-magnet synchronization motor 11 by with the female splines stator 22 of drum shaft 13 key connecting, to be supported in female splines stator 22 outside and form with the male splines rotor 18 of reel 14 inwall key connecting, the stator winding 20 being fixed on female splines stator 22 periphery, the permanent magnet 19 that is embedded in male splines rotor 18 inner circumferential.Male splines rotor 18 two ends utilize screw to be fixed with end hub 17 respectively, and be provided with bearing 16 between end hub 17 and female splines stator 22, bearing 16 utilizes snap ring 21 and end cap 15 to locate, and end cap 15 utilizes screw to be connected and fixed with end hub 17.Reel 14 two ends utilize screw to be fixedly connected with end hub 9 respectively, between end hub 9 and drum shaft 13, bearing 8 is installed, bearing 8 utilizes snap ring 7 and end cap 6 to locate, end cap 6 utilizes screw to be connected and fixed with end hub 9, be provided with locating bush 10 between the outer rotor rare earth permanent-magnet synchronization motor 11 at drum shaft 13 two ends and bearing 8, between adjacent outer rotor rare earth permanent-magnet synchronization motor 11, be provided with spacing sleeve 12.Be set to optical axis in the middle part of described drum shaft 13, the position of the corresponding outer rotor rare earth permanent-magnet synchronization motor 11 in both sides, middle part is set to castellated shaft.Described drum shaft 13 two ends are respectively equipped with only axillare 5, and described only axillare 5 utilizes screw to be fixedly connected with bearing 2.Drum shaft 13 is hollow shaft and the position of the corresponding stator winding 20 of hollow shaft offers through wires hole 23 for wearing cable 24, and the cable 24 from control box is connected with the stator winding 20 of each outer rotor rare earth permanent-magnet synchronization motor 11 respectively by the through wires hole 23 in drum shaft 13.
Claims (4)
1. a permanent magnetism winch, comprise frame, bearing is utilized to be fixed on reel group in frame, it is characterized in that: described reel group is by the drum shaft of two end supports on bearing, be supported in the reel of drum shaft outside, the multiple outer rotor rare earth permanent-magnet synchronization motor compositions in drum shaft are arranged on along drum shaft axially spaced-apart, described outer rotor rare earth permanent-magnet synchronization motor is by the female splines stator with drum shaft key connecting, be supported in female splines stator exterior and with the male splines rotor of mandrel interior wall key connecting, be fixed on the stator winding of female splines stator periphery, be embedded in the permanent magnet composition of male splines rotor inner circumferential, described male splines two ends of rotor utilizes screw to be fixed with end hub respectively, between described end hub and female splines stator, bearing is installed, described bearing utilizes snap ring and end cap location, described end cap utilizes screw to be connected and fixed with end hub, described drum shaft is hollow shaft and the position of the corresponding stator winding of hollow shaft offers through wires hole for wearing cable, described frame corresponding reel group end position is provided with plate disc brake.
2. permanent magnetism winch according to claim 1, it is characterized in that: described reel two ends utilize screw to be fixedly connected with end hub respectively, between described end hub and drum shaft, bearing is installed, described bearing utilizes snap ring and end cap location, described end cap utilizes screw to be connected and fixed with end hub, be provided with locating bush between the outer rotor rare earth permanent-magnet synchronization motor at described drum shaft two ends and bearing, between adjacent outer rotor rare earth permanent-magnet synchronization motor, be provided with spacing sleeve.
3. permanent magnetism winch according to claim 1, is characterized in that: described drum shaft two ends are respectively equipped with only axillare, and described only axillare utilizes screw to be fixedly connected with bearing.
4. permanent magnetism winch according to claim 1, is characterized in that: be set to optical axis in the middle part of described drum shaft, and the position of the corresponding outer rotor rare earth permanent-magnet synchronization motor in both sides, middle part is set to castellated shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617610.1U CN204150992U (en) | 2014-10-24 | 2014-10-24 | Permanent magnetism winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420617610.1U CN204150992U (en) | 2014-10-24 | 2014-10-24 | Permanent magnetism winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204150992U true CN204150992U (en) | 2015-02-11 |
Family
ID=52509128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420617610.1U Expired - Fee Related CN204150992U (en) | 2014-10-24 | 2014-10-24 | Permanent magnetism winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204150992U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116968A (en) * | 2019-04-30 | 2019-08-13 | 徐州圣邦机械有限公司 | A kind of assembly power built-in type hoist engine |
| CN111320038A (en) * | 2018-12-17 | 2020-06-23 | 陕西五洲机电科技有限公司 | Power driving system of cable winder, cable winder and installation method |
| CN112690084A (en) * | 2020-12-25 | 2021-04-23 | 绿友机械集团股份有限公司 | Lawn trimming hob driven by built-in external rotor motor and lawn maintenance tool |
-
2014
- 2014-10-24 CN CN201420617610.1U patent/CN204150992U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320038A (en) * | 2018-12-17 | 2020-06-23 | 陕西五洲机电科技有限公司 | Power driving system of cable winder, cable winder and installation method |
| CN110116968A (en) * | 2019-04-30 | 2019-08-13 | 徐州圣邦机械有限公司 | A kind of assembly power built-in type hoist engine |
| CN110116968B (en) * | 2019-04-30 | 2023-12-01 | 徐州圣邦机械有限公司 | Combined power built-in type winch |
| CN112690084A (en) * | 2020-12-25 | 2021-04-23 | 绿友机械集团股份有限公司 | Lawn trimming hob driven by built-in external rotor motor and lawn maintenance tool |
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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: 20150211 Termination date: 20171024 |