CN207069852U - A kind of permanent magnetic electric barrel - Google Patents

A kind of permanent magnetic electric barrel Download PDF

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Publication number
CN207069852U
CN207069852U CN201721038672.7U CN201721038672U CN207069852U CN 207069852 U CN207069852 U CN 207069852U CN 201721038672 U CN201721038672 U CN 201721038672U CN 207069852 U CN207069852 U CN 207069852U
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CN
China
Prior art keywords
hollow shaft
permanent magnetic
roll body
stator
magnetic electric
Prior art date
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Ceased
Application number
CN201721038672.7U
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Chinese (zh)
Inventor
刘春晓
张兆宇
张海亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Allred Peace Electric Applicance Co Ltd
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Shandong Allred Peace Electric Applicance Co Ltd
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Abstract

A kind of permanent magnetic electric barrel is the utility model is related to, belongs to motor technology field.It includes stator module and rotor assembly, the stator module includes hollow shaft, stator core and the stator winding inside the stator core, the both ends of the hollow shaft are arranged on support, the inside of the hollow shaft is provided with centre bore, the stator core is fixedly set in the outside of the hollow shaft, the hollow shaft is provided with fairlead, and the lead-out wire of the stator winding connects external power source through the fairlead, centre bore;The rotor assembly includes roll body and the permanent magnet being arranged on roll body, the both ends of the roll body are respectively equipped with roller end cover, and the roller end cover passes through bearing and the hollow axis connection.The utility model permanent magnetic electric barrel is not only simple in construction, small volume, without reducing gear, reduces fault rate, and material saving economize on electricity is environmentally friendly, net synchronization capability is strong, safe for operation steady.

Description

A kind of permanent magnetic electric barrel
Technical field
A kind of permanent magnetic electric barrel is the utility model is related to, belongs to motor technology field.
Background technology
At present, in coal-burning power plant of China and belt conveyer for coal mine, the transmission system of ribbon conveyer more using motor, The combinations such as fluid-flywheel clutch, reductor, shaft coupling and roller transmission carrys out points driving for belt conveyor operation.Employed in the system Motor is conventional motors, and because the rotating speed of motor is high, moment of torsion is small, in order to adapt to the requirement of the low rotation speed large torque of motorized pulleys, Need to be equipped with reductor for motor.Following defect be present in the design of the transmission system of existing ribbon conveyer:1st, total transmission efficiency It is low;2nd, mechanical wear occurs, it is necessary to periodic maintenance in the gear long-play of reductor;3rd, in order to ensure the side axle of shaft coupling two Axiality, it is necessary to be periodically adjusted to the position of motor, reductor;4th, motor and speed reducer body while power is increased Product also accordingly increases, and drawbacks described above causes that existing motorized pulleys weight is big, and complicated, equipment occupation space is big, fortune Defeated, installation inconvenience, fault rate is high, the problems such as needing often to safeguard each equipment during system operation.
Utility model content
The utility model is easy to safeguard in view of the deficienciess of the prior art, a kind of simple in construction, transmission efficiency of offer The permanent magnetic electric barrel of management.
The technical scheme that the utility model solves above-mentioned technical problem is as follows:A kind of permanent magnetic electric barrel, including stator pack Part and rotor assembly, the stator module include hollow shaft, stator core and the stator winding inside the stator core, The both ends of the hollow shaft are arranged on support, and the inside of the hollow shaft is provided with centre bore, and the stator core fixes suit In the outside of the hollow shaft, the hollow shaft is provided with fairlead, the lead-out wire of the stator winding through the fairlead, Centre bore connects external power source;The rotor assembly includes roll body and the permanent magnet being arranged on roll body, the rolling The both ends of cylinder body are respectively equipped with roller end cover, and the roller end cover passes through bearing and the hollow axis connection.
The beneficial effects of the utility model are:Permanent magnet on roll body and roll body is as permanent magnetic electric barrel Rotor portion, and the stationary part of hollow shaft, stator core, stator winding as permanent magnetic electric barrel, it can not only realize straight Driving is connect, transmission system reliability is improved, shortens driving-chain, improves transmission efficiency, and reduces space, profit Installation in scene, debugging and later maintenance.With common electric roller ratio, the permanent magnetic electric barrel is not only simple in construction, volume It is small, without reducing gear, fault rate is reduced, and material saving economize on electricity is environmentally friendly, net synchronization capability is strong, safe for operation steady.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, in addition to cooling body, the cooling body include cooling loop head pipeline, cooling loop exit Pipeline and multiple axial passages, multiple axial passages are evenly spaced between the stator core and the hollow shaft, more The individual axial passage is cascaded, and the hollow shaft is provided with conduit through bore, and the cooling loop head pipeline, cooling follow Ring outlet conduit is each passed through the conduit through bore and drawn by the centre bore.
Beneficial effect using above-mentioned further scheme, which is, to be water cooling, or air-cooled, can be rolled according to permanent-magnet electric The power of cylinder, rotating speed, moment of torsion, diameter, the parameter such as the length selection type of cooling, can not only efficiently solve permanent magnetic electric barrel Heat dissipation problem, and reduce equipment cost.
Further, the outside of the bearing is provided with bearing (ball) cover.
Beneficial effect using above-mentioned further scheme is to prevent grease loss, dust impurity from entering and eliminating person wound Harmful hidden danger.
Further, the permanent magnet by surface-type or embedded is arranged on the roll body.
Beneficial effect using above-mentioned further scheme is that permanent magnet arrangement is different, and surface-type is to show consideration for permanent magnetism Simple in construction in the inner surface of roll body, easily manufactured, cost is low, and rotator inertia is small;Embedded is that permanent magnet is embedded in into rolling In cylinder body, there is the magnetic flux density of high air gap, very big torque can be produced compared with surface-type.
Further, the support is provided with terminal box, and the lead-out wire of the stator winding is drawn by the terminal box.
Beneficial effect using above-mentioned further scheme is to be easy to carry out reconditioning to the lead-out wire of stator winding.
Brief description of the drawings
Fig. 1 is main structure diagram of the present utility model;
Fig. 2 is along the profile in A-A directions in Fig. 1;
Fig. 3 is left view structural representation of the present utility model;
Fig. 4 is along the profile in B-B directions in Fig. 3;
Fig. 5 is the structural representation of the utility model cooling body.
In figure, 1, cooling loop head pipeline;2nd, loop exit pipeline is cooled down;3rd, support;4th, roller end cover;5th, bearing; 6th, hollow shaft;7th, axial passage;8th, stator core;9th, stator winding;10th, permanent magnet;11st, roll body;12nd, bearing (ball) cover; 13rd, terminal box;14th, fairlead;15th, conduit through bore.
Embodiment
Principle of the present utility model and feature are described below in conjunction with example, example is served only for explaining this practicality It is new, it is not intended to limit the scope of the utility model.
As Figure 1-Figure 5, a kind of permanent magnetic electric barrel, including stator module and rotor assembly, the stator module bag Hollow shaft 6, stator core 8 and the stator winding 9 inside the stator core are included, the both ends of the hollow shaft are arranged on branch On frame 3, the inside of the hollow shaft is provided with centre bore, and the stator core is fixedly set in the outside of the hollow shaft, described Hollow shaft is provided with fairlead 14, and the lead-out wire of the stator winding connects external power source through the fairlead, centre bore;Institute Stating rotor assembly includes roll body 11 and the permanent magnet 10 being arranged on roll body, and the both ends of the roll body are set respectively There is roller end cover 4, the roller end cover passes through bearing 5 and the hollow axis connection.
Also include cooling body, the cooling body include cooling loop head pipeline 1, cooling loop exit pipeline 2 and Multiple axial passages 7, multiple axial passages are evenly spaced between the stator core and the hollow shaft, multiple described Axial passage is cascaded, and the hollow shaft is provided with conduit through bore 15, and the cooling loop head pipeline, cooling recycle Mouth pipeline is each passed through the conduit through bore and drawn by the centre bore.Can be water cooling, or it is air-cooled, can be according to Permanent Magnet and Electric The parameter selection types of cooling such as the power of dynamic roller, rotating speed, moment of torsion, diameter, length, can not only efficiently solve permanent-magnet electric Roller heat dissipation problem, and reduce equipment cost.
The outside of the bearing is provided with bearing (ball) cover 12.Grease is prevented to be lost in, dust impurity enters and eliminates personal injury Hidden danger.
The permanent magnet is by surface-type or embedded is arranged on the roll body.Permanent magnet arrangement is different, Surface-type is the inner surface that permanent magnet is attached to roll body, simple in construction, and easily manufactured, cost is low, and rotator inertia is small;It is embedded Formula is that permanent magnet is embedded in roll body, there is the magnetic flux density of high air gap, and very big torque can be produced compared with surface-type.
The support is provided with terminal box 13, and the lead-out wire of the stator winding is drawn by the terminal box.It is easy to fixed The lead-out wire of sub- winding carries out reconditioning.
In the transporting coal system in certain 2 × 660MW grades thermal power plant, the major parameter of top of coal bunker ribbon conveyer is volume Make power:1500t/h, belt speed:2.5m/s, bandwidth:1400mm, haul distance:80m, hoisting depth:0m.According to traditional motor, liquid The combination kind of drive such as couple clutch, reductor, shaft coupling, roller calculates, it is known that driving drum shaft power:37.27KW, motor Efficiency:92%th, deceleration engine efficiency:90%th, fluid-flywheel clutch efficiency:92%th, power of motor reserve factor:1.3, show that input is total Power:63.58KW.Transmission device configuration is as follows:1st, 1, asynchronous motor, power 75KW;2nd, three-level reductor 1, slow down Than for 25.1;3rd, fluid-flywheel clutch 1, transmission power scope are 50-90KW;4th, 1 set of shaft coupling;5th, driving drum 1, diameter For 800mm.
In above-described embodiment, during using the permanent magnetic electric barrel, its core is that low rotation speed large torque external rotor permanent magnet is same Motor is walked, the permasyn morot is integrated with roller design, and the stator of the permasyn morot is shafting, turned Son is barrel;The rotor of the permasyn morot include roll body, installed in the roll body inner surface forever Magnet;The permanent magnet number of poles is designed as 40, the rated frequency of the permasyn morot:22.5Hz, the permanent-magnet synchronous The maximum speed of motor:75r/min, the efficiency of the permasyn morot:93%, input general power is calculated: 52.10KW, the power of the permanent magnetic electric barrel is 55KW.Its advantage is:Eliminate reductor, fluid-flywheel clutch, shaft coupling And driving drum, equipment cost reduce 30%;In use without more oil change, maintenance gear-box, shaft coupling centering, Save use cost, reduce maintenance workload;Space is reduced, equipment arranges more compact, the building knot of transfer station Construction valency can reduce by 10%;Motor efficiency, which improves 1%, power, reduces 26.7%, and energy-saving effect is obvious.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in Within the scope of shield.

Claims (5)

1. a kind of permanent magnetic electric barrel, it is characterised in that including stator module and rotor assembly, the stator module includes hollow Axle, stator core and the stator winding inside the stator core, the both ends of the hollow shaft are arranged on support, described The inside of hollow shaft is provided with centre bore, and the stator core is fixedly set in the outside of the hollow shaft, set in the hollow shaft Leaded hole, the lead-out wire of the stator winding connect external power source through the fairlead, centre bore;The rotor assembly bag Roll body and the permanent magnet being arranged on roll body are included, the both ends of the roll body are respectively equipped with roller end cover, described Roller end cover passes through bearing and the hollow axis connection.
2. permanent magnetic electric barrel according to claim 1, it is characterised in that also including cooling body, the cooling body Uniformly arranged including cooling loop head pipeline, cooling loop exit pipeline and multiple axial passages, multiple axial passages Between the stator core and the hollow shaft, multiple axial passages are cascaded, and the hollow shaft is provided with pipe Road through hole, the cooling loop head pipeline, cooling loop exit pipeline are each passed through the conduit through bore by the centre bore Draw.
3. permanent magnetic electric barrel according to claim 1 or 2, it is characterised in that the outside of the bearing is provided with bearing end Lid.
4. permanent magnetic electric barrel according to claim 1, it is characterised in that the permanent magnet passes through surface-type or embedded It is arranged on the roll body.
5. permanent magnetic electric barrel according to claim 1, it is characterised in that the support is provided with terminal box, described fixed The lead-out wire of sub- winding is drawn by the terminal box.
CN201721038672.7U 2017-08-18 2017-08-18 A kind of permanent magnetic electric barrel Ceased CN207069852U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721038672.7U CN207069852U (en) 2017-08-18 2017-08-18 A kind of permanent magnetic electric barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721038672.7U CN207069852U (en) 2017-08-18 2017-08-18 A kind of permanent magnetic electric barrel

Publications (1)

Publication Number Publication Date
CN207069852U true CN207069852U (en) 2018-03-02

Family

ID=61516092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721038672.7U Ceased CN207069852U (en) 2017-08-18 2017-08-18 A kind of permanent magnetic electric barrel

Country Status (1)

Country Link
CN (1) CN207069852U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3540918A1 (en) * 2018-03-13 2019-09-18 FLET GmbH Electric vehicle
CN111089638A (en) * 2019-12-25 2020-05-01 李钢保 Weighing carrier roller for belt scale
CN112260506A (en) * 2020-07-29 2021-01-22 青岛中加特电气股份有限公司 Stator module for electric roller and permanent magnet electric roller
CN112671201A (en) * 2021-01-11 2021-04-16 中国科学院电工研究所 Compensated pulse generator system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3540918A1 (en) * 2018-03-13 2019-09-18 FLET GmbH Electric vehicle
WO2019175170A1 (en) * 2018-03-13 2019-09-19 Flet Gmbh Electric vehicle
CN111089638A (en) * 2019-12-25 2020-05-01 李钢保 Weighing carrier roller for belt scale
CN111089638B (en) * 2019-12-25 2022-07-05 唐山德伯特机械有限公司 Weighing carrier roller for belt scale
CN112260506A (en) * 2020-07-29 2021-01-22 青岛中加特电气股份有限公司 Stator module for electric roller and permanent magnet electric roller
CN112671201A (en) * 2021-01-11 2021-04-16 中国科学院电工研究所 Compensated pulse generator system
CN112671201B (en) * 2021-01-11 2022-08-23 中国科学院电工研究所 Compensated pulse generator system

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Decision date of declaring invalidation: 20210926

Decision number of declaring invalidation: 51793

Granted publication date: 20180302