CN112615475A - Double-output permanent-magnet semi-direct-drive device - Google Patents
Double-output permanent-magnet semi-direct-drive device Download PDFInfo
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- CN112615475A CN112615475A CN202011578874.7A CN202011578874A CN112615475A CN 112615475 A CN112615475 A CN 112615475A CN 202011578874 A CN202011578874 A CN 202011578874A CN 112615475 A CN112615475 A CN 112615475A
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- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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- 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
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- 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
- H02K7/08—Structural association with bearings
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a double-output permanent-magnet semi-direct-drive device which comprises a left machine body and a right machine body, wherein a motor shaft is horizontally arranged in the left machine body, one end of the motor shaft is connected with an end cover bearing of the left machine body, the other end of the motor shaft is connected with a planetary gear transmission mechanism, one end of the motor shaft with the planetary gear transmission mechanism is connected with a bevel gear transmission mechanism, the bevel gear transmission mechanism is arranged in the right machine body, output shafts penetrate through two sides of the right machine body, and the motor shaft is connected with the output shafts through the bevel gear transmission. The permanent magnet synchronous motor and the speed reducer are integrated, the weight is light, the size is small, the permanent magnet synchronous motor and the speed reducer are longitudinally installed along the scraper conveyor, the underground transverse space is saved, and the underground installation is more convenient due to the double-output structure.
Description
Technical Field
The invention belongs to the technical field of underground conveying, and particularly relates to a double-output permanent-magnet semi-direct-drive device.
Background
The scraper conveyor is one of key mechanical equipment of a fully mechanized mining face in a coal mine, and whether the scraper conveyor can reliably, stably and efficiently run under a severe underground working condition environment is mainly determined by a driving device of the scraper conveyor. The traditional driving mode mainly adopts an asynchronous motor as a power source, can not directly drive low-speed heavy load, and needs to be matched with a hydraulic coupler and a speed reducer for use. The system has high energy consumption, long transmission chain, low efficiency and complex maintenance, and can not meet the working conditions of heavy load starting and frequent overload of the scraper conveyor. With the development of the permanent magnet frequency conversion technology, if a permanent magnet synchronous motor with high efficiency, energy conservation, large output torque and stable start can be used as a power source, the underground conveying equipment can be promoted to operate more efficiently and stably.
Chinese patent publication No. CN207580675U proposes a permanent magnet frequency conversion direct drive system of a scraper conveyor, which solves the disadvantages of the existing underground coal mine scraper conveyor drive system that the transmission chain is too long, the drive characteristic is poor and the heavy load is insufficient to start, but for the high-power scraper conveyor system, under the existing coal mining process and coal mining equipment, the permanent magnet synchronous motor direct drive technology is not suitable for being used in the high-power scraper conveyor system, because under the working condition, the permanent magnet synchronous motor needs to meet the output condition of low speed and large torque, if the direct drive is adopted, the volume needed by the permanent magnet motor is too large and higher than the curvature of the scraper conveyor; the underground special working environment cannot meet the installation space of the three machines in a matching way, and the feasibility is not available.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-output permanent magnet semi-direct drive device aiming at the defects of the background art, integrates a permanent magnet synchronous motor and a speed reducer, has light weight and small volume, is longitudinally arranged along a scraper conveyor, saves the underground transverse space, and has a double-output structure to ensure that the underground installation is more convenient.
The invention adopts the following technical scheme for solving the technical problems:
the utility model provides a device is driven to two output permanent magnetism partly, includes left organism and right organism, the level is provided with the motor shaft in the left side organism, motor shaft one end is connected with the end cover bearing of left organism and is connected with planetary gear drive, the one end that the motor shaft has planetary gear drive is connected with bevel gear drive, bevel gear drive sets up in the right organism, the output shaft is all worn to be equipped with in right organism both sides, the motor shaft passes through bevel gear drive and output shaft.
Furthermore, the planetary gear transmission mechanism comprises an internal gear, a planetary gear, a gear shaft and a planetary carrier; the inner gear is fixed on the inner wall of the left machine body, and the planet gear is arranged between the inner gear and a straight gear at the end part of the motor shaft and is simultaneously meshed and connected with the inner gear and the straight gear; the planet gear passes through the gear shaft and connects on the planet carrier, and the planet carrier left end is connected with the motor shaft bearing, forms the revolute pair.
Further, the bevel gear transmission mechanism comprises an intermediate shaft, the intermediate shaft is in bearing connection with the machine body, and bevel gears are arranged at the ends, close to each other, of the intermediate shaft and the output shaft and are meshed with each other.
Furthermore, the two sides of the organism are opened and are provided with end covers, and the output shaft is connected with the organism bearing and penetrates through the end covers.
Furthermore, a protective cover is arranged outside the output end of the output shaft.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
1. the permanent magnet synchronous motor and the speed reducing device are integrated, so that the weight is light, the size is more compact, and the underground transverse space is saved;
2. the double output shafts of the device are symmetrically arranged, can be arranged on any side of the scraper conveyor, and is suitable for occasions with narrow underground space and difficult turning around;
3. the invention can amplify torque when in heavy load starting, and has the advantages of adjustable starting torque/speed, high transmission efficiency, good energy-saving effect and the like.
Drawings
Fig. 1 is a schematic overall structure diagram of the present embodiment.
In the figure, 1-left body; 2-a permanent magnet rotor; 3-screw I; 4-bolt I; 5-a nut; 6-a retainer ring for a shaft; 7-screw II; 8-a machine base; 9-upper end cover; 10-output shaft I; 11-bolt II; 12-bearing assembly I; 13-an intermediate shaft; 14-output shaft II; 15-bearing assembly ii; 16-bolt III; 17-bolt IV; 18-lower end cap; 19-a protective cover; 20-bearing assembly iii; 21-bearing I; 22-a planet carrier; 23-bearing II; 24-right body; 25-internal gear; 26-a planet wheel; 27-gear shaft; 28-a winding stator; 29-bolt V; 30-end cap; 31-a motor shaft; 32-bearing III.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
as shown in fig. 1, the double-output permanent-magnet semi-direct-drive device of the invention comprises a permanent-magnet synchronous motor, a speed reducer and a protector.
The permanent magnet synchronous motor comprises a left machine body 1, a right machine body 24, a motor shaft 31, a permanent magnet rotor 2, a winding stator 28, an end cover 30, a bearing III 32, a bolt I4, a bolt V29 and a nut 5; the permanent magnet rotor 2 is fixed on a motor shaft 31; the end cover 30 is fixedly connected to the left end of the left machine body 24 through a bolt V29; the left end of the motor shaft 31 is a stepped shaft which is sleeved in a bearing III 32; the bearing III 32 is fixed in the inner circular cavity of the end cover 30.
The speed reducer is positioned at one end of the permanent magnet synchronous motor and comprises a planetary gear transmission mechanism, a bevel gear transmission mechanism and a machine base 8. The planetary gear transmission mechanism is positioned at the right end of the motor shaft 31 and comprises an internal gear 25, a planetary gear 26, a gear shaft 27, a planetary carrier 22, a shaft retainer ring 6, a bearing I21 and a bearing II 23; the planet gear 26 is externally meshed with a straight gear at the upper right end of the motor shaft 31, and the center of the planet gear 26 is connected with the planet carrier 22 through a gear shaft 27 and a shaft retainer ring 6; a rotating pair is formed between the left end of the planet carrier 22 and the motor shaft 31 through a bearing II 23; the internal gear 25 and the left machine body 1 are both provided with threaded holes, and the internal gear 25 is fixed on the left machine body 1 through ten screws 3, so that the internal gear 1 keeps still.
A stepped shaft is arranged at the right end of an output shaft of the planet carrier 22, and a bearing I21 is sleeved on the stepped shaft; the bearing I21 is positioned in a circular cavity hole on the right machine body 24; the planet carrier 22 forms a revolute pair with the right machine body 24 through a bearing I21; the right machine body 24 is fixedly connected with the left machine body 1 through a bolt I4 and a nut 5. The base 8 is positioned at the right end of the right machine body 24 and is fixed on the right machine body 24 through a screw II 7.
The bevel gear transmission mechanism is positioned in the machine base 8 at the left end of the right machine body and comprises an intermediate shaft 13, an output shaft I10, an output shaft II 14, an upper end cover 9, a lower end cover 18, a bearing assembly I12, a bearing assembly II 15 and a bearing assembly III 20; the output shaft I10, the output shaft II 14 and the intermediate shaft 13 are respectively fixed on the base through a bearing assembly I12, a bearing assembly II 15 and a bearing assembly III 30; the external spline at the left end of the intermediate shaft 13 is connected with the internal spline on the output shaft of the planet carrier 22 and is used for transmitting torque; the bevel gear at the right end of the intermediate shaft 13 is meshed with the bevel gears on the output shaft I10 and the output shaft II 14, so that power is transmitted to the two output shafts; the upper end cover 9 and the lower end cover 18 are fixedly connected to the base 8 through a bolt II 11 and a bolt IV respectively; the output shafts I10 and II 14 are identical in specification, one end of each output shaft is a bevel gear, the other end of each output shaft is provided with a key groove, and the end parts of the two output shafts with the key grooves can be connected with one side of the scraper conveyor.
The protection device comprises a protection cover 19 and a bolt III 16; the protective cover 19 can be arranged on any side of the base through a bolt III 16, and when one of the output shafts I10 and II 14 is connected with the scraper conveyor, the end part of the other output shaft can be covered by the protective cover 19, so that the danger coefficient is reduced.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention. While the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. The utility model provides a device is driven to two output permanent magnetism partly which characterized in that: the motor shaft is horizontally arranged in the left machine body, one end of the motor shaft is connected with a planetary gear transmission mechanism through an end cover bearing of the left machine body, one end, provided with the planetary gear transmission mechanism, of the motor shaft is connected with a bevel gear transmission mechanism, the bevel gear transmission mechanism is arranged in the right machine body, output shafts are arranged on two sides of the right machine body in a penetrating mode, and the motor shaft is connected with the output shafts through the bevel gear transmission mechanism.
2. The double-output permanent-magnet semi-direct-drive device according to claim 1, characterized in that: the planetary gear transmission mechanism comprises an inner gear, a planet gear, a gear shaft and a planet carrier; the inner gear is fixed on the inner wall of the left machine body, and the planet gear is arranged between the inner gear and a straight gear at the end part of the motor shaft and is simultaneously meshed and connected with the inner gear and the straight gear; the planet gear passes through the gear shaft and connects on the planet carrier, and the planet carrier left end is connected with the motor shaft bearing, forms the revolute pair.
3. The double-output permanent-magnet semi-direct-drive device according to claim 1, characterized in that: the bevel gear transmission mechanism comprises an intermediate shaft, the intermediate shaft is in bearing connection with the machine body, and bevel gears are arranged at the ends, close to each other, of the intermediate shaft and the output shaft and are meshed with each other.
4. The double-output permanent-magnet semi-direct-drive device according to claim 1, characterized in that: the two sides of the organism are opened and are provided with end covers, and the output shaft is connected with the organism bearing and penetrates through the end covers.
5. The double-output permanent-magnet semi-direct-drive device according to claim 1, characterized in that: and a protective cover is arranged outside the output end of the output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011578874.7A CN112615475A (en) | 2020-12-28 | 2020-12-28 | Double-output permanent-magnet semi-direct-drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011578874.7A CN112615475A (en) | 2020-12-28 | 2020-12-28 | Double-output permanent-magnet semi-direct-drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112615475A true CN112615475A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011578874.7A Pending CN112615475A (en) | 2020-12-28 | 2020-12-28 | Double-output permanent-magnet semi-direct-drive device |
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| CN (1) | CN112615475A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098193A (en) * | 2021-05-18 | 2021-07-09 | 安徽达来电机有限公司 | Gear integral type motor with dual output |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403020Y (en) * | 2009-05-08 | 2010-02-10 | 刘新华 | Motor for electric vehicle |
| CN201563027U (en) * | 2009-12-10 | 2010-08-25 | 翁林华 | Hub motor for electric bike |
| CN104454803A (en) * | 2014-10-30 | 2015-03-25 | 西安交通大学 | Mechanical and hydraulic composite energy-saving cylinder for long idle stroke and short pressure stroke |
| CN207064576U (en) * | 2017-06-07 | 2018-03-02 | 东北石油大学 | multi-arm type mechanical transmission mechanism |
| CN110752705A (en) * | 2019-10-15 | 2020-02-04 | 中国矿业大学(北京) | Intelligent semi-direct-drive type scraper conveyor with parallel permanent magnet motors |
-
2020
- 2020-12-28 CN CN202011578874.7A patent/CN112615475A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201403020Y (en) * | 2009-05-08 | 2010-02-10 | 刘新华 | Motor for electric vehicle |
| CN201563027U (en) * | 2009-12-10 | 2010-08-25 | 翁林华 | Hub motor for electric bike |
| CN104454803A (en) * | 2014-10-30 | 2015-03-25 | 西安交通大学 | Mechanical and hydraulic composite energy-saving cylinder for long idle stroke and short pressure stroke |
| CN207064576U (en) * | 2017-06-07 | 2018-03-02 | 东北石油大学 | multi-arm type mechanical transmission mechanism |
| CN110752705A (en) * | 2019-10-15 | 2020-02-04 | 中国矿业大学(北京) | Intelligent semi-direct-drive type scraper conveyor with parallel permanent magnet motors |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098193A (en) * | 2021-05-18 | 2021-07-09 | 安徽达来电机有限公司 | Gear integral type motor with dual output |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Fangwei Inventor after: Shi Xiuwei Inventor after: Sun Anxin Inventor after: Zhu Haiqiang Inventor after: Xu Chunjie Inventor after: Tian Zuzhi Inventor after: Shen Gang Inventor after: Ding Haigang Inventor after: Liu Xiumei Inventor before: Zhao Jiangkun Inventor before: Shi Xiuwei Inventor before: Sun Anxin Inventor before: Zhu Haiqiang Inventor before: Xu Chunjie Inventor before: Tian Zuzhi Inventor before: Shen Gang Inventor before: Ding Haigang Inventor before: Liu Xiumei |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210406 |