CN204416866U - A kind of permanent-magnet synchnorous gearless dragging machine - Google Patents
A kind of permanent-magnet synchnorous gearless dragging machine Download PDFInfo
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- CN204416866U CN204416866U CN201420843591.4U CN201420843591U CN204416866U CN 204416866 U CN204416866 U CN 204416866U CN 201420843591 U CN201420843591 U CN 201420843591U CN 204416866 U CN204416866 U CN 204416866U
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Abstract
The utility model discloses a kind of permanent-magnet synchnorous gearless dragging machine, comprise support, described support is provided with stators and rotators, described rotor comprises yoke and is fixed on the magnet steel in yoke, described rotor is fixed with detouchable traction sheave, and described stator and magnet steel are arranged side by side along rotor axial.The utility model utilizes axial magnetic field principle, adopts rotor arrangement in parallel, thus ensures that the axial dimension of towing machine is little, compact mechanical structure, saves installing space; In the utility model, the diameter of traction sheave is comparatively large, and under equal elevator speed requires, the rotating speed of towing machine is low, and temperature rise is low, vibration and noise little, reduce the pollution to environment; The building site convenience quick for installation of towing machine of the present utility model, is mainly used in machine-roomless lift, owing to occupying little space, can save traditional elevator(lift) machine room completely, save building cost, and can put into hoistway easily, without the need to extra installing space.
Description
Technical field
The utility model belongs to towing machine design field, specifically relates to a kind of permanent-magnet synchnorous gearless dragging machine.
Background technology
Current elevator traction machine scheme is the towing machine driving speed reduction gearing (worm gear, worm couple or planetary wheel) to slow down integrally with asynchronous dynamo, but due to the existence of speed reduction gearing, make the shortcomings such as traction system has complex structure, volume is large, driving efficiency is low, running noises is high, leakage of oil, installation and maintenance difficulty.
In order to solve the problem, each Motor Corporation develops permanent-magnet synchnorous gearless dragging machine, such as Shanghai Mitsubishi Elevator Co. Ltd is disclose a kind of gearless permanent-magnet synchronous traction machine in the patent documentation of CN1464623A at publication number, the structure of this towing machine comprises employing key and is set in main shaft the bowl-type outer rotor being free cylinder, the outer surface of outer rotor fixes a traction sheave, outer rotor bowl-type mouth place is provided with brake surface, the periphery of the void column body of outer rotor successively bearing set and in swallow shape wing backward the bending endoporus forming open annular groove have the stator of flange, the stator armature iron core being wound with stator winding is loaded successively in the circular groove of stator, permanent-magnet steel outer rotor being equipped with yoke and docking with it, the bowl edge of bowl at the bottom of hole is connected with the endoporus flange of stator and bowl bottom orifice connection bearing and main shaft successively.
But in technique scheme, still there is following defect:
(1) rotor and the stator structure owing to being nested inside and outside adopting, cause the axial dimension of towing machine comparatively large, overall volume is large, needs in hoistway, arrange independent machine room, takes up room large.
(2) because this structure radial dimension is limited, the radial dimension of the traction sheave that can install is caused also to be restricted; Cause in traction sheave operational process, because rotating speed is comparatively large, temperature rise, vibration and noise are greatly, larger to the pollution of environment.
Utility model content
In order to solve the contaminated environment that current elevator traction machine exists and the problem taking building machine room space, the utility model utilizes the permanent magnetism synchronization gear wheel free Principle of Electric Engine of axial magnetic field, provide a kind of permanent-magnet synchnorous gearless dragging machine adopting axial magnetic field and linear electric motors principle, rotor arrangement in parallel, substantially reduce the axial dimension of towing machine, make it in machine-roomless lift, have absolute predominance.Increase traction sheave diameter, effectively reduce the mechanicalness noise of operating speed and operation, perfection solves the problems referred to above simultaneously.
A kind of permanent-magnet synchnorous gearless dragging machine, comprise support, described support is provided with stators and rotators, described rotor comprises yoke and is fixed on the magnet steel in yoke, described rotor is fixed with detouchable traction sheave, and described stator and magnet steel are arranged side by side along rotor axial.
As preferably, described support is provided with bearing chamber, and described laundry, in the periphery of bearing chamber, described rotor is fixed with mandrel, this mandrel stretch in bearing chamber with support normal-running fit.Adopt this structure, conveniently can realize the fixing of stators and rotators, and integral structure is compacter.
As preferably, described yoke axis position is provided with the support sleeve with yoke integrative-structure, and described mandrel is fixed in this support sleeve, and described traction sheave is fixed on the side of yoke stator dorsad.The setting of support sleeve, enhances the constant intensity of rotor.
As preferred further, described mandrel and support sleeve interference fit.Interference fit reduces the installation difficulty of mandrel, ensure that installation strength simultaneously.
As preferably, a part for described support sleeve extends in bearing chamber, is provided with the clutch shaft bearing coordinated with mandrel and the second bearing matched with support sleeve outer wall in described bearing chamber.In this technical scheme, use two bearings, the clutch shaft bearing at rear portion mainly plays a part rotate and overcome axis and radial electromagnetic force; The second anterior bearing is positioned at below traction sheave, mainly plays a part to bear traction and overcomes axis and radial electromagnetic force to the impact of physical construction.
As preferably, described yoke is with ring-shaped step, and described traction sheave is located on ring-shaped step by bolt detouchable fixed cover.The mode that traction sheave adopts bolt fixing, makes, when traction sheave damages, to change traction sheave separately, does not need to change whole rotor, reduce the use cost of towing machine.
As preferably, the radius of described traction sheave is 40-100cm.When elevator speed is constant, traction sheave diameter increases, and the rotating speed of towing machine is reduced, thus reduces the mechanicalness noise of towing machine running.
As preferably, described magnet steel is evenly arranged ringwise, and each magnet steel is v-shaped structure, and tangential all towards its place circumferential position, the summit of v-shaped structure, is provided with the connecting element be pressed on by magnet steel in yoke between adjacent two magnet steel.Adopt this technical scheme, while the magnet steel shape of optimization, facilitate the fixing of magnet steel.Connecting element can adopt copper billet.
Of the present utility model with the permanent-magnet synchnorous gearless dragging machine of axial magnetic field, the flat behavioural characteristic of rotor, utilize axial magnetic field and linear electric motors principle, change the geared machine of traditional band speed reduction gearing and the electric magnetic principles of permanent-magnet synchnorous gearless dragging machine and manufacturing technology, there is following outstanding advantage:
1, the utility model utilizes axial magnetic field principle, adopts rotor arrangement in parallel, thus ensures that the axial dimension of towing machine is little, compact mechanical structure, saves installing space;
2, there is no intermediate power transmission device in the utility model, without the need to coupler and retarder, there is higher driving efficiency, ensure that integral structure is simple;
3, in the utility model, the diameter of traction sheave is comparatively large, and under equal elevator speed requires, the rotating speed of towing machine is low, and temperature rise is low, vibration and noise little, reduce the pollution to environment;
4, towing machine of the present utility model adopts magnet steel shape and the rotor air gap of preferably pole slot fit, optimization, has higher electric and mechanical efficiency;
5, the building site of towing machine of the present utility model convenience quick for installation, is mainly used in machine-roomless lift, owing to occupying little space, traditional elevator(lift) machine room can be saved completely, save building cost, and hoistway can have been put into easily, without the need to extra installing space.
Accompanying drawing explanation
Fig. 1 is the front view of permanent-magnet synchnorous gearless dragging machine of the present utility model.
Fig. 2 is the cutaway view of permanent-magnet synchnorous gearless dragging machine of the present utility model.
1, support; 2, traction sheave; 3, yoke; 4, magnet steel; 5, stator core; 6, iron core mounting screw; 7, mandrel; 8, support sleeve; 9, clutch shaft bearing; 10, the second bearing; 11, iron core mounting screw; 12, coder; 13, bracket; 14, traction sheave hold-down bolt.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings below.
As depicted in figs. 1 and 2, a kind of permanent-magnet synchnorous gearless dragging machine, comprises support 1, and support 1 is provided with axial arranged stators and rotators, on rotor, detouchable is fixed with traction sheave 2.Stator and magnet steel 4 are arranged side by side along rotor axial.
Support 1 is provided with bearing chamber, and laundry is in the periphery of bearing chamber.Rotor is fixed with mandrel 7, this mandrel 7 stretches in bearing chamber and support 1 normal-running fit.The winding that stator comprises stator core 5 and is wound on nail iron core 5.Be fixed on support 1 by the iron core mounting screw 6 be circular layout and iron core mounting screw 11 with winding stator core 5, be positioned at the periphery of bearing chamber.
Rotor comprises yoke 3 and is fixed on the magnet steel 4 in yoke 3, and magnet steel 4 is fixed on the side of yoke 3 towards stator.Magnet steel 4 is arranged ringwise, and each magnet steel 4 is v-shaped structure, and the summit of v-shaped structure is all towards the tangential of its place circumferential position or approximate tangential, and be provided with the connecting element be pressed on by magnet steel in yoke between adjacent two magnet steel 4, connecting element is copper billet.
Yoke 3 axis position is provided with the support sleeve 8 with yoke 3 integrative-structure, and mandrel 7 is fixed in this support sleeve 8, and traction sheave 2 is fixed on the side of yoke stator dorsad.Mandrel 7 periphery is provided with the fixing step of annular, support sleeve 8 end abutment on this fixing step, mandrel 7 and support sleeve 8 interference fit.The side that yoke 3 fixes traction sheave 2 is provided with ring-shaped step, and traction sheave 2 is fixed on this ring-shaped step by traction sheave hold-down bolt 14, achieves the fixing of traction sheave 2 radial direction by ring-shaped step, achieves the fixing of traction sheave axis by bolt.
A part for support sleeve 8 extends in bearing chamber, is provided with the clutch shaft bearing 9 coordinated with mandrel 7 and the second bearing 10 matched with support sleeve 8 outer wall in bearing chamber.Use two bearings, the clutch shaft bearing 9 at rear portion mainly plays a part rotate and overcome axis and radial electromagnetic force; The second anterior axle 10 holds and is positioned at below traction sheave 2, mainly plays a part to bear traction and overcomes axis and radial electromagnetic force to the impact of physical construction.
The body of coder 12 uses bracket 13 to be fixed on support 1, the mandrel of coder 12 is fixed in rotary core shaft 7 and also rotates together, coder 12, rotary core shaft 7, rotor rim 9, magnet steel 4, traction sheave 2 jointly form the turning unit of whole towing machine, and whole turning unit to be assembled up with support 1 by clutch shaft bearing 9 and the second bearing 10 and forms whole towing machine.
The external diameter of traction sheave is 40-100cm.When elevator speed is constant, traction sheave 2 diameter increases, and the rated speed of rotation of towing machine is reduced, thus reduces the mechanicalness noise of towing machine running.
The present embodiment adopts axial magnetic field and linear electric motors principle, and by rotor arrangement in parallel, main shaft adopts cantilever design, uses two bearings, and the clutch shaft bearing 9 at rear portion mainly plays a part rotate and overcome axis and radial electromagnetic force; The second anterior bearing 10 is positioned at below traction sheave 2, main play a part to bear traction and overcome axis and radial electromagnetic force to the impact of physical construction, coder 12 body uses bracket 13 and support 1 to fix, the mandrel of coder 12 and rotor fixing and together with rotate, the running state of monitoring and feedback main frame, stator core 5 have employed winding silicon steel plate technology; Increase traction sheave 2 diameter, reduce the rated speed of rotation of towing machine, thus reduce the mechanicalness noise of towing machine running.
Claims (8)
1. a permanent-magnet synchnorous gearless dragging machine, comprise support (1), (1) is provided with stators and rotators to described support, described rotor comprises yoke (3) and is fixed on the magnet steel (4) in yoke (3), it is characterized in that: on described rotor, be fixed with detouchable traction sheave (2), described stator and magnet steel (4) are arranged side by side along rotor axial.
2. permanent-magnet synchnorous gearless dragging machine according to claim 1, it is characterized in that: described support (1) is provided with bearing chamber, described laundry is in the periphery of bearing chamber, described rotor is fixed with mandrel (7), this mandrel (7) stretches in bearing chamber and support (1) normal-running fit.
3. permanent-magnet synchnorous gearless dragging machine according to claim 2, it is characterized in that: described yoke (3) axis position is provided with the support sleeve (8) with yoke (3) integrative-structure, described mandrel (7) is fixed in this support sleeve (8), and described traction sheave (2) is fixed on the side of yoke (3) stator dorsad.
4. permanent-magnet synchnorous gearless dragging machine according to claim 3, is characterized in that: described mandrel (7) and support sleeve (8) interference fit.
5. permanent-magnet synchnorous gearless dragging machine according to claim 3, it is characterized in that: a part for described support sleeve (8) extends in bearing chamber, in described bearing chamber, be provided with the clutch shaft bearing (9) coordinated with mandrel (7) and the second bearing (10) matched with support sleeve (8) outer wall.
6., according to the arbitrary described permanent-magnet synchnorous gearless dragging machine of claim 1-5, it is characterized in that: described yoke (3) is with ring-shaped step, and described traction sheave (2) is located on ring-shaped step by bolt detouchable fixed cover.
7., according to the arbitrary described permanent-magnet synchnorous gearless dragging machine of claim 1-5, it is characterized in that: the radius of described traction sheave (2) is 40-100cm.
8. according to the arbitrary described permanent-magnet synchnorous gearless dragging machine of claim 1-5, it is characterized in that: described magnet steel (4) is evenly arranged ringwise, each magnet steel (4) is v-shaped structure, and tangential all towards its place circumferential position, the summit of v-shaped structure, be provided with the connecting element be pressed on by magnet steel (4) in yoke (3) between adjacent two magnet steel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843591.4U CN204416866U (en) | 2014-12-26 | 2014-12-26 | A kind of permanent-magnet synchnorous gearless dragging machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420843591.4U CN204416866U (en) | 2014-12-26 | 2014-12-26 | A kind of permanent-magnet synchnorous gearless dragging machine |
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| CN204416866U true CN204416866U (en) | 2015-06-24 |
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| CN201420843591.4U Active CN204416866U (en) | 2014-12-26 | 2014-12-26 | A kind of permanent-magnet synchnorous gearless dragging machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927343A (en) * | 2017-05-08 | 2017-07-07 | 苏州蒙特纳利驱动设备有限公司 | A kind of traction machine encoder fixing device |
| CN108249328A (en) * | 2018-01-31 | 2018-07-06 | 湖北环电磁装备工程技术有限公司 | The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives |
| CN108657914A (en) * | 2018-07-26 | 2018-10-16 | 洪革 | Flange form traction machine and its mounting structure |
-
2014
- 2014-12-26 CN CN201420843591.4U patent/CN204416866U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927343A (en) * | 2017-05-08 | 2017-07-07 | 苏州蒙特纳利驱动设备有限公司 | A kind of traction machine encoder fixing device |
| CN108249328A (en) * | 2018-01-31 | 2018-07-06 | 湖北环电磁装备工程技术有限公司 | The tower crane rotating device that a kind of no frame permanent magnet synchronous motor directly drives |
| CN108657914A (en) * | 2018-07-26 | 2018-10-16 | 洪革 | Flange form traction machine and its mounting structure |
| CN108657914B (en) * | 2018-07-26 | 2023-12-15 | 洪革 | Flange type traction machine and mounting structure thereof |
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