CN107346923B - Roller motor and application method thereof - Google Patents

Roller motor and application method thereof Download PDF

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Publication number
CN107346923B
CN107346923B CN201710710104.5A CN201710710104A CN107346923B CN 107346923 B CN107346923 B CN 107346923B CN 201710710104 A CN201710710104 A CN 201710710104A CN 107346923 B CN107346923 B CN 107346923B
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China
Prior art keywords
bearing
motor
stator
fixed shaft
drum
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CN201710710104.5A
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CN107346923A (en
Inventor
钟俊豪
刘铭
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Shenzhen Ruoteng Technology Co ltd
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Shenzhen Ruoteng Technology Co ltd
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Publication of CN107346923A publication Critical patent/CN107346923A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/165Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

The invention relates to a roller motor and a using method thereof, comprising a fixed shaft; bearing components which are arranged at two ends of the fixed shaft and used for bearing radial load; a drum disposed outside the fixed shaft and rotatable about the fixed shaft through the bearing assembly; a stator assembly disposed on the stationary shaft; and set up on the cylinder, with the relative rotor subassembly that sets up of stator module adopts above design, when the motor is used, can reduce some parts, and is fairly convenient, simultaneously, design flabellum in the motor, can in time dispel away the heat in the cylinder motor.

Description

Roller motor and application method thereof
Technical Field
The invention relates to the field of electric appliances, in particular to a roller motor and a using method thereof.
Background
An electric Motor (motorr) is a device that converts electrical energy into mechanical energy. The magnetic power rotating torque is formed by generating a rotating magnetic field by using an electrified coil (namely a stator winding) and acting on a rotor (such as a squirrel-cage closed aluminum frame). The motors are classified into direct current motors and alternating current motors according to the power supply, and most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the magnetic field rotating speed of a motor stator and the rotating speed of a rotor do not keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of forced movement of an electrified wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The motor works in the principle that the magnetic field acts on the current to rotate the motor.
The existing motor on the market generally rotates through a rotating shaft, and when the motor is used, the motor is also matched with other parts such as belts to work, so that the motor is quite troublesome.
Disclosure of Invention
The invention aims to provide a roller motor and a using method thereof, which are used for solving at least one of the defects in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A drum motor, the drum motor comprising:
A fixed shaft;
Bearing components which are arranged at two ends of the fixed shaft and used for bearing radial load;
a drum disposed outside the fixed shaft and rotatable about the fixed shaft through the bearing assembly;
a stator assembly disposed on the stationary shaft;
and a rotor assembly disposed on the drum opposite the stator assembly.
Preferably, the drum motor further comprises:
And the fan blade assembly is arranged on the outer side wall of the fixed shaft, is designed opposite to the stator assembly and is used for radiating heat of the stator assembly.
Preferably, the fixed shaft includes:
A hollow stationary shaft body;
Bearing mounting parts arranged at two ends of the fixed shaft body and used for mounting bearing components;
A stator mounting portion disposed inside the bearing mounting portion for mounting a stator assembly;
The connecting hole is arranged on the bearing mounting part, axially extends into the roller motor along the fixed shaft and is used for communicating the inside and the outside of the roller motor;
The stator mounting part is provided with a clamping groove which is clamped with the stator assembly;
the diameter of the bearing mounting part is smaller than that of the stator mounting part;
The diameter of the stator mounting part is smaller than that of the fixed shaft body.
Preferably, the bearing assembly comprises:
A bearing provided on the bearing mounting portion and fitted with the bearing mounting portion;
the bearing cover is arranged on the bearing mounting part and used for clamping and fixing the bearing;
The bearing cover is fixedly connected with the roller.
Preferably, the bearing cover is provided with a plurality of through holes for connecting the inside and the outside of the roller motor.
Preferably, the stator assembly includes:
A stator core disposed on the stator mounting portion and engaged with the stator mounting portion;
Iron core plug connectors which are inserted at two ends of the stator iron core and connected with the stator iron core;
winding coils arranged on the stator core and the core plug;
the circuit board is clamped on the iron core plug connector and used for controlling the winding coil to work;
and an electric wire connected with the circuit board and extending to the outside of the roller motor through the connecting hole.
Preferably, the rotor assembly comprises:
The magnet mounting seat is arranged on the inner side wall of the roller and used for mounting the permanent magnets;
And a plurality of permanent magnets arranged on the magnet mounting seat and used for generating an excitation magnetic field.
Preferably, the outer side wall of the roller is provided with knurling for increasing friction when connected with the belt.
Preferably, the knurling intervals are set.
A method of using a drum motor, the method comprising:
A. connecting the outer wall of a roller motor with a running belt of the running machine;
B. the roller motor is started, and the roller rotates to drive the running belt of the running machine to rotate.
Compared with the prior art, the invention has at least the following beneficial effects: the invention comprises a fixed shaft; bearing components which are arranged at two ends of the fixed shaft and used for bearing radial load; a drum disposed outside the fixed shaft and rotatable about the fixed shaft through the bearing assembly; a stator assembly disposed on the stationary shaft; and set up on the cylinder, with the relative rotor subassembly that sets up of stator module adopts above design, when the motor is used, can reduce the spare part of product assembly, and is fairly convenient, simultaneously, design flabellum in the motor can dispel the heat in the cylinder motor in time, guarantees the normal work of motor.
Drawings
Fig. 1 is a schematic structural view of a drum motor according to a preferred embodiment of the present invention.
Fig. 2 is a sectional view of a drum motor according to a preferred embodiment of the present invention.
Fig. 3 is a schematic diagram of a drum motor according to a preferred embodiment of the present invention, in which the drum is omitted.
Fig. 4 is a schematic structural view of a stationary shaft in a drum motor according to a preferred embodiment of the present invention.
Fig. 5 is a schematic view showing another angle of the fixed shaft in the drum motor according to the preferred embodiment of the present invention.
Fig. 6 is a schematic view showing a structure of a drum, a magnet mounting base and a permanent magnet in a drum motor according to a preferred embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a drum and a magnet mounting base in a drum motor according to a preferred embodiment of the present invention.
Fig. 8 is a schematic structural view of a stator core, a core plug, and a winding coil in a drum motor according to a preferred embodiment of the present invention.
Fig. 9 is a schematic structural view of a stator core in a drum motor according to a preferred embodiment of the present invention.
Fig. 10 is a schematic structural view of a core plug in a drum motor according to a preferred embodiment of the present invention.
Fig. 11 is an enlarged view of a portion a of fig. 2 of a drum motor according to a preferred embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 11, a drum motor of the present embodiment is characterized in that the drum motor includes:
A fixed shaft;
Bearing components which are arranged at two ends of the fixed shaft and used for bearing radial load;
a drum 24 disposed outside the fixed shaft and rotatable around the fixed shaft through the bearing assembly;
a stator assembly disposed on the stationary shaft;
And a rotor assembly disposed on the drum 24 opposite the stator assembly.
When the stator assembly is used, the stator assembly is electrified to interact with the rotor assembly, and the mutual rotation of the stator assembly and the rotor assembly is completed through the principle that an electrified conductor can generate acting force in an excitation magnetic field. The rotor assembly is disposed on the inner side wall of the drum 24, and when the rotor assembly is acted on by a force, the force acts on the drum 24, and as the drum 24 is connected with the fixed shaft through the bearing assembly, the drum 24 can rotate around the fixed shaft under the action of the bearing assembly after being acted on by the force.
In practice, for example, in a treadmill, the tread belt of the treadmill can be directly tensioned on the outer side wall of the roller 24, and when the roller motor works, the tread belt of the treadmill is directly rotated. Compared with the prior running machine, the prior running machine also needs the belt, the driven wheel and other components to drive the running belt of the running machine to rotate, and by adopting the design, the running belt of the running machine can be directly driven to move, so that the whole structure of the running machine is simple and the running machine is quite convenient to use.
Preferably, the drum motor further comprises:
And the fan blade 3 component is arranged on the outer side wall of the fixed shaft, is designed opposite to the stator component and is used for radiating heat of the stator component.
Specifically, the flabellum 3 subassembly includes the ring cell body 1 that sets up on the fixed axle lateral wall, sets up the external rotor motor 2 in ring cell body 1 to and the flabellum 3 that sets up on external rotor motor 2 lateral wall, flabellum 3 and external rotor motor 2 lateral wall fixed connection, external rotor motor 2 walks the line in through the fixed axle. The fan blade 3 assembly is generally designed into two groups, one group is air blowing and the other group is air suction, so that negative pressure in the roller motor is avoided, and meanwhile, the heat dissipation effect in the whole channel is improved.
When the embodiment of the invention is used, the fan blades 3 are driven to rotate by controlling the outer rotor to rotate, so that the air in the roller motor is subjected to transverse convection, and the heat on the winding coil 18 is continuously taken away in the convection process, so that the problem that the heat in the roller motor cannot be dissipated in a large amount is avoided.
In practical design, the fan blade 3 assembly can be designed on the roller 24, the fan blade 3 is fixed on the inner side wall of the roller 24 through screws, and can be integrally formed with the inner side wall of the roller 24, wherein the design of the fan blade 3 relative to the stator assembly is needed to be described, when the roller 24 rotates, the fan blade 3 is driven to rotate, air is stirred, the air flows, the air outside the stator assembly flows faster, and the purpose of heat dissipation is achieved.
Preferably, the fixed shaft includes:
a hollow fixed shaft body 4;
Bearing mounting parts 5 arranged at two ends of the fixed shaft body 4 and used for mounting bearing components;
A stator mounting portion 6 provided inside the bearing mounting portion 5 for mounting a stator assembly;
And a connecting hole provided on the bearing mounting part 5 and extending axially into the drum motor along the fixed shaft for communicating the inside and the outside of the drum motor;
the stator mounting part 6 is provided with a clamping groove 7 which is clamped with the stator assembly;
the diameter of the bearing mounting part 5 is smaller than that of the stator mounting part 6;
The diameter of the stator mounting part 6 is smaller than that of the fixed shaft body 4.
Specifically, the fixed shaft body 4 is a cylinder, the clamping grooves 7 on the stator mounting portions 6 at two ends are in a strip shape, the connecting holes comprise first through holes 8 arranged on the cross section of the bearing 13 mounting seat, second through holes 9, third through holes 10 and fourth through holes 11 arranged on the upper side surface of the bearing 13 mounting seat, and fifth through holes 12 arranged on the stator mounting portions 6, and the first through holes 8 are respectively communicated with the second through holes 9, the third through holes 10, the fourth through holes 11 and the fifth through holes 12.
When the embodiment of the invention is implemented, the stator assembly is matched with the clamping groove 7, and after the stator assembly is installed, the stator assembly cannot rotate along the axial direction due to the action of the clamping groove 7, and meanwhile, the stator assembly is connected with an external power supply through the wiring of the connecting hole. Meanwhile, when the fan blades 3 rotate, air flow is generated, and the connecting holes can also adjust the relative balance of the air pressure inside and outside the roller motor.
Preferably, the bearing assembly comprises:
a bearing 13 provided on the bearing mounting portion 5 and fitted to the bearing mounting portion 5;
and a bearing cover 14 provided on the bearing mounting portion 5 and adapted to fix the bearing 13 by being engaged with the bearing cover;
the bearing cap 14 is fixedly connected with the drum 24.
Preferably, the bearing cover 14 is provided with a plurality of through holes 15 for connecting the inside and outside of the roller motor.
Specifically, the inner diameter of the bearing 13 is equal to the diameter of the bearing mounting portion 5, and the bearing is directly sleeved outside the bearing mounting portion 5, and meanwhile, the diameter of the stator mounting portion 6 is larger than that of the bearing mounting portion 5, so that the bearing 13 is sleeved on the bearing mounting portion 5, and is clamped on the side surface of the stator mounting portion 6. The bearing cover 14 is sleeved outside the bearing mounting part 5, and the bearing 13 is clamped and fixed. It should be noted that, the bearing cover 14 is provided with four through holes 15 arranged in a circular ring shape for communicating the inside and outside of the roller motor, so as to facilitate heat dissipation.
Preferably, the stator assembly includes:
A stator core 16 provided on the stator mounting portion 6 and fitted to the stator mounting portion 6;
Iron core plug connectors 17 which are inserted into two ends of the stator iron core 16 and connected with the stator iron core 16;
winding coils 18 provided on the stator core 16 and the core plug 17;
The circuit board 19 is clamped on the iron core plug-in connector 17 and used for controlling the winding coil 18 to work;
and an electric wire 20 connected to the circuit board 19 and extending to the outside of the drum motor through the connection hole.
Specifically, the stator core 16 includes a cylinder 25 with a cylindrical through hole in the center, a plurality of T-shaped structures 26 arranged on the outer side of the cylinder, and protrusions 27 arranged on the inner side wall of the cylinder 25 and matched with the clamping grooves 7; the iron core plug 17 comprises a plurality of plug connectors matched with the T-shaped structure 26, and a circular fixing seat connected with the plug connectors. It should be noted that the winding coil 18 is connected with the circuit board 19 through the electric wire 20, the electric wire 20 on the circuit board 19 extends to the outside of the roller motor through the connecting hole on the fixed shaft, and is connected with an external power source, when the power is on, the winding coil 18 is controlled to work through the circuit board 19, so that the whole roller motor rotates.
Preferably, the rotor assembly comprises:
a magnet mounting seat 21 arranged on the inner side wall of the roller 24 and used for mounting the permanent magnet 22;
and permanent magnets 22 provided on the magnet mount 21 for generating an exciting magnetic field.
Preferably, the outer side wall of the drum 24 is provided with knurling 23 for increasing friction when connected with the belt.
Preferably, the knurls 23 are spaced apart.
According to the above embodiment, a use method of the above embodiment is provided, which specifically includes the following steps:
a method of using a drum motor, the method comprising:
A. connecting the outer wall of a roller 24 of the roller motor with a running belt of the running machine;
B. the roller motor is started, and the roller 24 rotates to drive the running belt of the running machine to rotate.
The foregoing detailed description of the invention has been provided by way of example only to assist those skilled in the art in understanding the invention and is not to be construed as limiting the scope of the invention. The protection scope of the present invention is subject to the claims.

Claims (9)

1. A drum motor, the drum motor comprising: a fixed shaft;
Bearing components which are arranged at two ends of the fixed shaft and used for bearing radial load;
a drum disposed outside the fixed shaft and rotatable about the fixed shaft through the bearing assembly; a stator assembly disposed on the stationary shaft;
And a rotor assembly disposed on the drum opposite the stator assembly;
The fan blade assembly comprises a circular groove body arranged on the outer side wall of the fixed shaft, an outer rotor motor arranged in the circular groove body, and fan blades arranged on the outer side wall of the outer rotor motor, wherein the fan blades are fixedly connected with the outer side wall of the outer rotor motor, the outer rotor motor is internally wired through the fixed shaft, the fan blade assembly is divided into two groups, one group is used for blowing, the other group is used for sucking air, negative pressure in the roller motor is avoided, and meanwhile, the heat dissipation effect in the whole channel is improved.
2. The drum motor as claimed in claim 1, wherein the fixed shaft comprises: a hollow stationary shaft body;
Bearing mounting parts arranged at two ends of the fixed shaft body and used for mounting bearing components;
A stator mounting portion disposed inside the bearing mounting portion for mounting a stator assembly;
The connecting hole is arranged on the bearing mounting part, axially extends into the roller motor along the fixed shaft and is used for communicating the inside and the outside of the roller motor;
The stator mounting part is provided with a clamping groove which is clamped with the stator assembly;
the diameter of the bearing mounting part is smaller than that of the stator mounting part;
The diameter of the stator mounting part is smaller than that of the fixed shaft body.
3. The drum motor as claimed in claim 2, wherein the bearing assembly comprises: a bearing provided on the bearing mounting portion and fitted with the bearing mounting portion;
the bearing cover is arranged on the bearing mounting part and used for clamping and fixing the bearing;
The bearing cover is fixedly connected with the roller.
4. A drum motor according to claim 3, wherein the bearing cover is provided with a plurality of through holes for connecting the inside and outside of the drum motor.
5. The drum motor as claimed in claim 4, wherein the stator assembly includes: a stator core disposed on the stator mounting portion and engaged with the stator mounting portion;
Iron core plug connectors which are inserted at two ends of the stator iron core and connected with the stator iron core;
winding coils arranged on the stator core and the core plug;
the circuit board is clamped on the iron core plug connector and used for controlling the winding coil to work; and an electric wire connected with the circuit board and extending to the outside of the roller motor through the connecting hole.
6. The drum motor as claimed in claim 5, wherein the rotor assembly includes: the magnet mounting seat is arranged on the inner side wall of the roller and used for mounting the permanent magnets;
And a plurality of permanent magnets arranged on the magnet mounting seat and used for generating an excitation magnetic field.
7. The drum motor as claimed in claim 6, wherein the drum outer sidewall is provided with knurls for increasing friction when connected to the belt.
8. The drum motor as claimed in claim 7, wherein the knurl interval is provided.
9. A method of using a drum motor according to any one of claims 1-8, the method comprising: A. connecting the outer wall of a roller motor with a running belt of the running machine;
B. the roller motor is started, and the roller rotates to drive the running belt of the running machine to rotate.
CN201710710104.5A 2017-08-17 2017-08-17 Roller motor and application method thereof Active CN107346923B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710710104.5A CN107346923B (en) 2017-08-17 2017-08-17 Roller motor and application method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710710104.5A CN107346923B (en) 2017-08-17 2017-08-17 Roller motor and application method thereof

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Publication Number Publication Date
CN107346923A CN107346923A (en) 2017-11-14
CN107346923B true CN107346923B (en) 2024-05-31

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107819372A (en) * 2017-11-29 2018-03-20 深圳市若腾科技有限公司 A kind of Rolling motor, Rolling motor shell and application method
CN109911697A (en) * 2019-02-27 2019-06-21 卓郎(江苏)纺织机械有限公司 Convenient for the winding roller motor of cabling and using the textile machine of the motor
CN109831040B (en) * 2019-02-27 2021-12-10 卓郎(江苏)纺织机械有限公司 Winding roller motor stator fixing structure and textile machine adopting same
CN109650164A (en) * 2019-02-27 2019-04-19 卓郎(江苏)纺织机械有限公司 Textile machine with the take-up roll and use of heat dissipation the end cap take-up roll
CN110401321A (en) * 2019-04-09 2019-11-01 江西中阳电器有限公司 A kind of treadmill brush DC Rolling motor
CN110102018A (en) * 2019-06-12 2019-08-09 深圳市雅腾电机有限公司 Novel treadmill motor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6455960B1 (en) * 2000-07-20 2002-09-24 Pacific Scientific Company Direct drive roller motor
CN1619921A (en) * 2003-11-20 2005-05-25 住友重机械工业株式会社 Motor built-in roller
CN1823461A (en) * 2003-05-30 2006-08-23 西门子公司 Rollers and roller motors
CN201674341U (en) * 2010-04-29 2010-12-15 胡忠夫 Versatile drum motor
CN202019279U (en) * 2011-03-09 2011-10-26 山西防爆电机(集团)有限公司 Roller motor for conveyor belt
CN207265801U (en) * 2017-08-17 2018-04-20 深圳市若腾科技有限公司 A kind of Rolling motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6455960B1 (en) * 2000-07-20 2002-09-24 Pacific Scientific Company Direct drive roller motor
CN1823461A (en) * 2003-05-30 2006-08-23 西门子公司 Rollers and roller motors
CN1619921A (en) * 2003-11-20 2005-05-25 住友重机械工业株式会社 Motor built-in roller
CN201674341U (en) * 2010-04-29 2010-12-15 胡忠夫 Versatile drum motor
CN202019279U (en) * 2011-03-09 2011-10-26 山西防爆电机(集团)有限公司 Roller motor for conveyor belt
CN207265801U (en) * 2017-08-17 2018-04-20 深圳市若腾科技有限公司 A kind of Rolling motor

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