CN104600902A - Hollow motor - Google Patents
Hollow motor Download PDFInfo
- Publication number
- CN104600902A CN104600902A CN201510012052.5A CN201510012052A CN104600902A CN 104600902 A CN104600902 A CN 104600902A CN 201510012052 A CN201510012052 A CN 201510012052A CN 104600902 A CN104600902 A CN 104600902A
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- core motor
- shell
- motor according
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/06—Cast metal casings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Plasma Technology (AREA)
Abstract
A hollow motor comprises a shell, a stator assembly, a rotor assembly, a rear cover and a front cover; the stator assembly comprises a coil former and magnetic steel; the stator assembly comprises a rotor shaft and a hollow shaft; the hollow shaft passes through and is fixed in the rotor shaft; the coil former is located between the rotor shaft and the shell; the front cover is connected with the front end of the hollow shaft by means of a front bearing; and the rear cover is connected with the rear end of the hollow shaft by means of a rear bearing. The hollow shaft is directly connected with a transmission structure; compared with the present synchronous belt or the gear driving manner, the hollow motor is capable of reducing damages in a transmission process, good in transmission effect, simple in structure, less in quantity of parts and low in cost; the stability of the hollow shaft during transmission is guaranteed by means of the dual bearings, so that the stability of the transmission mechanism during transmission can be guaranteed.
Description
Technical field
The present invention relates to technical field of motors, particularly relate to a kind of core motor.
Background technology
At present, be all generally that motor all adopts Timing Belt or gear drive transmission mechanism to rotate, in transmission process, easily cause damage like this, useful life is short, complex structure, and parts are many, and load is light; And making transmission mechanism stability in rotation process bad, rotating speed is also unstable, impact processing.
Plasma gun adopts Timing Belt to drive plasma torch head to rotate at present mostly, and it exists following defect: (1), in rotation, the axiality of rotation can not be guaranteed, and causes the faults such as caloric value is large, noise large, bearing rapid wear; (2), in transmission, the skidding using O type band to produce, the fault such as stuck.
Summary of the invention
The object of the invention is to overcome above defect and a kind of core motor of not enough proposition.
For reaching this object, the present invention by the following technical solutions:
A kind of core motor, comprises shell, field frame assembly, rotor assembly, bonnet and protecgulum; Described field frame assembly comprises coil rack and magnet steel; Described rotor assembly comprises armature spindle and described hollow shaft, and described hollow shaft is through being fixed on described armature spindle; Described coil rack is between described armature spindle and described shell; Described protecgulum is connected by the front end of fore bearing with described hollow shaft; Described bonnet is connected by the rear end of rear bearing with described hollow shaft.
Preferably, also comprise control box, described control box is arranged at described shell.
Preferably, also adjusting pad is comprised.
Preferably, described fore bearing and rear bearing are double-row bearing.
Preferably, described shell is the tetragonal body structure having corner angle.
Preferably, described shell is provided with groove line.
Preferably, described shell is made by aluminum alloy materials.
Preferably, described protecgulum and bonnet all have aluminum alloy materials to be made.
Use a plasma gun for above-mentioned core motor, plasma torch head is connected with described hollow shaft.
Preferably, described plasma torch head is connected by threaded engagement with described hollow shaft.
The present invention is connected with drive mechanism by directly adopting described hollow shaft, and Timing Belt or gear drive mode can reduce transmission link damage ring more in the past, and transmission is effective, and structure is simple, and parts are few, and cost is low; And use duplex bearing to ensure the stability of described hollow shaft when rotating, thus ensure the stability of transmission mechanism when rotating.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the present invention's specific embodiment.
Fig. 2 is the cutaway view of plasma gun provided by the invention.
Wherein: 1 is shell, 2 is field frame assembly, and 3 is rotor assembly, and 4 is bonnet, 5 is protecgulum, and 6 is control box, and 7 is adjusting pad, and 8 is power line, 9 is plasma torch head, and 10 is inner core, and 11 is insulator, 12 is electrode, and 13 is nozzle, and 21 is coil rack, 22 is magnet steel, and 31 is armature spindle, and 32 is hollow shaft, 100 is fore bearing, and 101 is rear bearing, and 110 is tracheal orifice.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
A kind of core motor, comprises shell 1, field frame assembly 2, rotor assembly 3, bonnet 4 and protecgulum 5; Described field frame assembly 2 comprises coil rack 21 and magnet steel 22; Described rotor assembly 3 comprises armature spindle 31 and described hollow shaft 32, and described hollow shaft 32 is through being fixed on described armature spindle 31; Described coil rack 21 is between described armature spindle 31 and described shell 1; Described protecgulum 5 is connected with the front end of described hollow shaft 32 by fore bearing 100; Described bonnet 4 is connected with the rear end of described hollow shaft 32 by rear bearing 101.
The present invention can directly adopt described hollow shaft 32 to be connected with drive mechanism, and Timing Belt or gear drive mode can reduce transmission link damage ring more in the past, and transmission is effective, and structure is simple, and parts are few, and cost is low; And use duplex bearing to ensure the stability of described hollow shaft 32 when rotating, thus ensure the stability of transmission mechanism when rotating.Described hollow shaft 32 adopts electromagnetic force to drive, and starting torque is directly proportional to armature supply, and starting current is about about 2.5 times of rated current.Rotating speed then with electric current and torque increase and slightly decline, short-time overload torque is 1.5 times of nominal torque.Relative speed variation is less, is 5% ~ 15%.Invariable power by slackening magnetic field carrys out speed governing.
Preferably, also comprise control box, described control box 6 is arranged at described shell 1.
Described control box 6 carries out stepless time adjustment to described hollow shaft, conveniently regulates the rotary speed of the transmission mechanism be connected with described hollow shaft 13.
Preferably, adjusting pad 7 is also comprised.
Preferably, described fore bearing 100 and rear bearing 101 are double-row bearing.
Double-row bearing can increase the axiality of described hollow shaft when rotating, thus makes the axiality of rotating with described hollow shaft connection for transmission mechanism, the stability of guarantee transmission mechanism.
Preferably, described shell 1 is for there being the tetragonal body structure of corner angle.
Described shell 1 be arranged to corner angle tetragonal body structure comparatively circular housing easily place.
Preferably, described shell 1 is provided with groove line.Described groove line has the effect of heat radiation.
Preferably, described shell 1 is made by aluminum alloy materials.
Aluminium alloy light weight, cost is low, thus alleviates the weight of described motor and reduce production cost.
Preferably, described protecgulum 5 and bonnet 4 all have aluminum alloy materials to be made.
Aluminium alloy light weight, cost is low, thus alleviates the weight of described motor and reduce production cost.
Use a plasma gun for above-mentioned core motor, plasma gun comprises core motor, electrode 12, plasma torch head 9 and inner core 10; Plasma torch head 9 is connected with described hollow shaft 32; Described inner core 11 is fixedly connected with by screw with the bonnet 4 of described motor; Described inner core 11 is positioned at described hollow shaft 32; Tracheae passes into described inner core 11; Power line 8 is connected to described electrode 12 through described inner core 10 and insulator 11; Described plasma torch head 9 is connected with described hollow shaft 32, and is covered by described electrode 12, and described plasma torch head 9 is provided with nozzle 13.
The hollow shaft 32 of motor drives described plasma torch head 2 to rotate, and the contact such as Timing Belt or gear transmission more in the past can reduce transmission link loss, and structure is simple, and parts are few, and cost is low.
Preferably, described plasma torch head 9 is connected by threaded engagement with described hollow shaft 32.
Be threaded quick, convenient, cost is low.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a core motor, is characterized in that: comprise shell, field frame assembly, rotor assembly, bonnet and protecgulum; Described field frame assembly comprises coil rack and magnet steel; Described rotor assembly comprises armature spindle and described hollow shaft, and described hollow shaft is through being fixed on described armature spindle; Described coil rack is between described armature spindle and described shell; Described protecgulum is connected by the front end of fore bearing with described hollow shaft; Described bonnet is connected by the rear end of rear bearing with described hollow shaft.
2. core motor according to claim 1, is characterized in that: also comprise control box, described control box is arranged at described shell.
3. core motor according to claim 1, is characterized in that: also comprise adjusting pad.
4. core motor according to claim 1, is characterized in that: described fore bearing and rear bearing are double-row bearing.
5. core motor according to claim 2, is characterized in that: described shell is the tetragonal body structure having corner angle.
6. core motor according to claim 5, is characterized in that: described shell is provided with groove line.
7. core motor according to claim 6, is characterized in that: described shell is made by aluminum alloy materials.
8. core motor according to claim 1, is characterized in that: described protecgulum and bonnet all have aluminum alloy materials to be made.
9. use a plasma gun for the described core motor of claim 1-8, it is characterized in that: plasma torch head is connected with described hollow shaft.
10. plasma gun according to claim 9, is characterized in that: described plasma torch head is connected by threaded engagement with described hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012052.5A CN104600902A (en) | 2015-01-09 | 2015-01-09 | Hollow motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510012052.5A CN104600902A (en) | 2015-01-09 | 2015-01-09 | Hollow motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104600902A true CN104600902A (en) | 2015-05-06 |
Family
ID=53126500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510012052.5A Pending CN104600902A (en) | 2015-01-09 | 2015-01-09 | Hollow motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104600902A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602428A (en) * | 2015-01-12 | 2015-05-06 | 广东韦达尔科技有限公司 | Plasma surface treatment device |
| CN107359733A (en) * | 2017-07-16 | 2017-11-17 | 经纬纺织机械股份有限公司 | For driving the micro-machine structure of Yarn-spinning spindle |
| WO2018176291A1 (en) * | 2017-03-29 | 2018-10-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| US10120068B1 (en) | 2017-04-28 | 2018-11-06 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
| US10152771B1 (en) | 2017-07-31 | 2018-12-11 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US10295659B2 (en) | 2017-04-28 | 2019-05-21 | SZ DJI Technology Co., Ltd. | Angle calibration in light detection and ranging system |
| EP3448756A4 (en) * | 2016-04-25 | 2019-07-10 | Uvionix Aerospace Corporation | System and method for an unmanned aerial vehicle |
| US10371802B2 (en) | 2017-07-20 | 2019-08-06 | SZ DJI Technology Co., Ltd. | Systems and methods for optical distance measurement |
| US10423167B2 (en) | 2016-04-25 | 2019-09-24 | Uvionix Aerospace Corporation | System and method for automated landing of an unmanned aerial vehicle |
| US10436884B2 (en) | 2017-04-28 | 2019-10-08 | SZ DJI Technology Co., Ltd. | Calibration of laser and vision sensors |
| US10539663B2 (en) | 2017-03-29 | 2020-01-21 | SZ DJI Technology Co., Ltd. | Light detecting and ranging (LIDAR) signal processing circuitry |
| CN110912287A (en) * | 2018-09-17 | 2020-03-24 | 天津天瑞博科技有限公司 | Hollow outer rotor motor |
| US10641875B2 (en) | 2017-08-31 | 2020-05-05 | SZ DJI Technology Co., Ltd. | Delay time calibration of optical distance measurement devices, and associated systems and methods |
| US10714889B2 (en) | 2017-03-29 | 2020-07-14 | SZ DJI Technology Co., Ltd. | LIDAR sensor system with small form factor |
| US10899471B2 (en) | 2017-01-24 | 2021-01-26 | SZ DJI Technology Co., Ltd. | Flight indication apparatuses, systems and associated methods |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149702A1 (en) * | 2003-01-14 | 2004-08-05 | Cebora S.P.A. | Contact start plasma torch |
| JP2006149139A (en) * | 2004-11-24 | 2006-06-08 | Yaskawa Electric Corp | Hollow actuator |
| CN101466522A (en) * | 2006-06-07 | 2009-06-24 | 赫斯基注射器成型系统有限公司 | Molding-system drive |
| CN201383731Y (en) * | 2009-02-13 | 2010-01-13 | 上海久能机电制造有限公司 | Motor capable of outputting reciprocating linear movement |
| CN201450402U (en) * | 2009-06-29 | 2010-05-05 | 西安嘉能高速动力科技开发有限公司 | Special hollow shaft motor for screw pump |
| CN202906645U (en) * | 2012-09-05 | 2013-04-24 | 西安微电机研究所 | Hollow shaft motor |
| CN103796410A (en) * | 2014-02-24 | 2014-05-14 | 佛山市韦达尔自动化设备有限公司 | Plasma gun rotating device |
| CN104201853A (en) * | 2014-09-28 | 2014-12-10 | 广东联塑机器制造有限公司 | Permanent magnet synchronous motor with hollow shaft |
-
2015
- 2015-01-09 CN CN201510012052.5A patent/CN104600902A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040149702A1 (en) * | 2003-01-14 | 2004-08-05 | Cebora S.P.A. | Contact start plasma torch |
| JP2006149139A (en) * | 2004-11-24 | 2006-06-08 | Yaskawa Electric Corp | Hollow actuator |
| CN101466522A (en) * | 2006-06-07 | 2009-06-24 | 赫斯基注射器成型系统有限公司 | Molding-system drive |
| CN201383731Y (en) * | 2009-02-13 | 2010-01-13 | 上海久能机电制造有限公司 | Motor capable of outputting reciprocating linear movement |
| CN201450402U (en) * | 2009-06-29 | 2010-05-05 | 西安嘉能高速动力科技开发有限公司 | Special hollow shaft motor for screw pump |
| CN202906645U (en) * | 2012-09-05 | 2013-04-24 | 西安微电机研究所 | Hollow shaft motor |
| CN103796410A (en) * | 2014-02-24 | 2014-05-14 | 佛山市韦达尔自动化设备有限公司 | Plasma gun rotating device |
| CN104201853A (en) * | 2014-09-28 | 2014-12-10 | 广东联塑机器制造有限公司 | Permanent magnet synchronous motor with hollow shaft |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602428A (en) * | 2015-01-12 | 2015-05-06 | 广东韦达尔科技有限公司 | Plasma surface treatment device |
| EP3448756A4 (en) * | 2016-04-25 | 2019-07-10 | Uvionix Aerospace Corporation | System and method for an unmanned aerial vehicle |
| US10423167B2 (en) | 2016-04-25 | 2019-09-24 | Uvionix Aerospace Corporation | System and method for automated landing of an unmanned aerial vehicle |
| US10899471B2 (en) | 2017-01-24 | 2021-01-26 | SZ DJI Technology Co., Ltd. | Flight indication apparatuses, systems and associated methods |
| US10539663B2 (en) | 2017-03-29 | 2020-01-21 | SZ DJI Technology Co., Ltd. | Light detecting and ranging (LIDAR) signal processing circuitry |
| US11336074B2 (en) | 2017-03-29 | 2022-05-17 | SZ DJI Technology Co., Ltd. | LIDAR sensor system with small form factor |
| US10714889B2 (en) | 2017-03-29 | 2020-07-14 | SZ DJI Technology Co., Ltd. | LIDAR sensor system with small form factor |
| US10554097B2 (en) | 2017-03-29 | 2020-02-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| WO2018176291A1 (en) * | 2017-03-29 | 2018-10-04 | SZ DJI Technology Co., Ltd. | Hollow motor apparatuses and associated systems and methods |
| US10698092B2 (en) | 2017-04-28 | 2020-06-30 | SZ DJI Technology Co., Ltd. | Angle calibration in light detection and ranging system |
| US10436884B2 (en) | 2017-04-28 | 2019-10-08 | SZ DJI Technology Co., Ltd. | Calibration of laser and vision sensors |
| US11460563B2 (en) | 2017-04-28 | 2022-10-04 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
| US10295659B2 (en) | 2017-04-28 | 2019-05-21 | SZ DJI Technology Co., Ltd. | Angle calibration in light detection and ranging system |
| US10120068B1 (en) | 2017-04-28 | 2018-11-06 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
| US10859685B2 (en) | 2017-04-28 | 2020-12-08 | SZ DJI Technology Co., Ltd. | Calibration of laser sensors |
| US10884110B2 (en) | 2017-04-28 | 2021-01-05 | SZ DJI Technology Co., Ltd. | Calibration of laser and vision sensors |
| CN107359733A (en) * | 2017-07-16 | 2017-11-17 | 经纬纺织机械股份有限公司 | For driving the micro-machine structure of Yarn-spinning spindle |
| US10371802B2 (en) | 2017-07-20 | 2019-08-06 | SZ DJI Technology Co., Ltd. | Systems and methods for optical distance measurement |
| US11982768B2 (en) | 2017-07-20 | 2024-05-14 | SZ DJI Technology Co., Ltd. | Systems and methods for optical distance measurement |
| US11238561B2 (en) | 2017-07-31 | 2022-02-01 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US10152771B1 (en) | 2017-07-31 | 2018-12-11 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US11961208B2 (en) | 2017-07-31 | 2024-04-16 | SZ DJI Technology Co., Ltd. | Correction of motion-based inaccuracy in point clouds |
| US10641875B2 (en) | 2017-08-31 | 2020-05-05 | SZ DJI Technology Co., Ltd. | Delay time calibration of optical distance measurement devices, and associated systems and methods |
| CN110912287A (en) * | 2018-09-17 | 2020-03-24 | 天津天瑞博科技有限公司 | Hollow outer rotor motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150506 |