CN107565748B - Half-frame direct-drive motor, transportation fixing method, installation method, disassembly, assembly and replacement method - Google Patents
Half-frame direct-drive motor, transportation fixing method, installation method, disassembly, assembly and replacement method Download PDFInfo
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- CN107565748B CN107565748B CN201711050064.2A CN201711050064A CN107565748B CN 107565748 B CN107565748 B CN 107565748B CN 201711050064 A CN201711050064 A CN 201711050064A CN 107565748 B CN107565748 B CN 107565748B
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- drive motor
- roll shaft
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a half-frame direct-drive motor, a transportation fixing method, an installation method, a disassembly and replacement method, which are ingenious in structural arrangement and low in cost, can be conveniently and rapidly installed, do not need special tools, and have low technical requirements on field installation workers; meanwhile, the problem of excessive positioning interference of the multi-bearing is avoided, and the motor structure is very suitable for direct driving application of roll shafts.
Description
Technical Field
The invention relates to a direct-drive motor, in particular to a half-frame direct-drive motor, a transportation fixing method, an installation method and a disassembly, assembly and replacement method.
Background
In the existing direct-drive motor structure, two types of direct-drive motor structures are divided: the first is frameless, the mover and stator are separate; the second is a packaged, framed motor with an outer frame and bearings. The frameless motor has low cost, but is troublesome to install, requires special tools and has high requirements on operators; the framed motor is easy to install but is costly, and in the case of direct drive rollers, there is a problem of excessive positioning interference of the plurality of bearings.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The invention aims to provide a half-frame direct-drive motor, a transportation fixing method, an installation method and a disassembly and replacement method, and aims to solve the problems that the existing frameless motor is troublesome to install, special tools are needed, and the requirements on operators are high; the cost of the framed motor is high, and the problem of excessive positioning interference of a plurality of bearings exists when the motors are directly driven.
The technical scheme of the invention is as follows: a half frame direct drive motor, comprising:
a housing;
a stator fixedly disposed within the housing;
the rotor is arranged in the shell, a middle hole penetrating through the whole rotor along the axial direction of the rotor is arranged on the rotor, and an expansion sleeve matched with the diameter of the middle hole is arranged at one end of the middle hole;
the roll shaft is inserted into the middle hole of the rotor, one end of the roll shaft extends to the end part of the shell, and the other end of the roll shaft is fixedly connected with the rotor through the expansion sleeve;
one end of the encoder is fixed on the bottom plate, and the other end of the encoder is arranged on the rotor through the expansion sleeve;
before leaving the factory, the stator, the rotor and the encoder are adjusted in position on the tool, and then the rotor is locked and can not rotate, so that the relative positions among the stator, the rotor and the encoder are maintained for transportation; when the motor is installed and used, the shell is fixed on the wallboard, the roll shaft is inserted into the middle hole of the rotor, the roll shaft and the rotor are fixed through the expansion sleeve, the shell is supported and fixed through being installed on the wallboard, the rotor is supported and fixed through being installed on the roll shaft, the rotor is loosened, the rotor is not locked any more, and the installation process of the whole motor is completed.
The half-frame direct-drive motor is characterized in that a bottom plate is fixedly arranged in the shell, a fixing through hole is formed in the bottom plate, a fixing screw hole corresponding to the fixing through hole is formed in one end of the rotor, and a retaining screw penetrates through the fixing through hole and is screwed into the fixing screw hole, so that the rotor can be locked and can not rotate any more.
The half-frame direct-drive motor is characterized in that a front flange is arranged at one end of the shell fixed to the wallboard, the front flange is fixed to the wallboard during installation and use, one end of a roll shaft extends to the front flange to be supported by the front flange, and the other end of the roll shaft is fixedly connected with the rotor through an expansion sleeve.
The half-frame direct-drive motor is characterized in that a rear cover is arranged at the other end of the shell.
The transportation and fixation method of the half-frame direct-drive motor structure according to any one of the above, specifically comprising the following steps:
step A100: the stator, the rotor and the encoder are adjusted in position on the tool;
step A200: the retaining screw is screwed into the fixing screw hole through the fixing through hole, and the rotor is locked and not rotated any more, so that the relative positions among the stator, the rotor and the encoder are maintained;
step A300: and (5) shipping the half-frame direct-drive motor.
The method for installing the half-frame direct-drive motor according to any one of the above claims, specifically comprising the following steps:
step B100: fixing the front flange to the wall panel;
step B200: inserting the roll shaft into a central hole of the rotor, fixing the roll shaft and the rotor through an expansion sleeve, wherein the shell is supported and fixed through being mounted on a wallboard, and the rotor is supported and fixed through being mounted on the roll shaft;
step B300: opening the rear cover, loosening and removing the retaining screw;
step B400: and (5) covering the rear cover to complete the whole installation of the half-frame direct-drive motor.
The method for dismounting and replacing the half-frame direct-drive motor according to any one of the above, specifically comprising the following steps:
step C100: the retaining screw is screwed into the fixing screw hole through the fixing through hole, and the rotor is locked and not rotated any more;
step C200: loosening the expansion sleeve and the front flange;
step C300: and the half-frame direct-drive motor is disassembled and replaced.
The invention has the beneficial effects that: the invention provides the half-frame direct-drive motor, the transportation fixing method, the mounting method and the dismounting and replacing method, which are ingenious in structural arrangement and low in cost, can realize convenient and rapid mounting, do not need special tools, and have low technical requirements on field installation workers; meanwhile, the problem of excessive positioning interference of the multi-bearing is avoided, and the motor structure is very suitable for direct driving application of roll shafts.
Drawings
Fig. 1 is a schematic structural diagram of a half frame direct drive motor according to the present invention.
Fig. 2 is a flow chart of steps of a method for fixing a structure of a half-frame direct-drive motor in the present invention.
Fig. 3 is a flow chart of steps of a method for installing a half frame direct drive motor according to the present invention.
Fig. 4 is a flowchart showing steps of a method for assembling, disassembling and replacing a half frame direct drive motor according to the present invention.
Description of the embodiments
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
As shown in fig. 1, a half frame direct drive motor includes:
a housing 100;
a stator 200 fixedly disposed within the housing 100;
a rotor 300 disposed in the housing 100, wherein a central hole penetrating the entire rotor 300 in an axial direction of the rotor 300 is formed in the rotor 300, and an expansion sleeve 310 having a diameter matching that of the central hole is disposed at one end of the central hole;
the roll shaft 400 is inserted into the middle hole of the rotor 300, one end of the roll shaft 400 extends to the end of the shell 100, and the other end of the roll shaft 400 is fixedly connected with the rotor 300 through the expansion sleeve 310;
one end of the encoder 500 is fixed on the bottom plate 600, and the other end is mounted on the rotor 300 through the expansion sleeve 310;
before leaving the factory, the stator 200, the rotor 300 and the encoder 500 are adjusted on the tooling, and then the rotor 300 is locked (the rotor 300 cannot rotate), so that the relative positions among the stator 200, the rotor 300 and the encoder 500 are maintained, and the roll shaft 400 is transported (at the moment, the roll shaft 400 is not inserted into a middle hole of the rotor 300); when the motor is installed and used, the shell 100 is fixed on the wallboard, the roll shaft 400 is inserted into the middle hole of the rotor 300, the roll shaft 400 and the rotor 300 are fixed through the expansion sleeve 310, the shell 100 is supported and fixed through being installed on the wallboard, the rotor 300 is supported and fixed through being installed on the roll shaft 400, the rotor 300 is loosened, the rotor is not locked any more, and the whole installation process of the motor is completed.
Specifically, the rotor 300 may be locked by various locking structures during transportation, so long as the locking structures that do not affect transportation and can maintain the relative positions among the stator 200, the rotor 300, and the encoder 500 are within the scope of the present disclosure. In this embodiment, in order to simplify the installation structure, the bottom plate 600 is fixedly disposed in the housing 100, the fixing through hole 210 is disposed on the bottom plate 600, the fixing screw hole 320 corresponding to the fixing through hole 210 is disposed at one end of the rotor 300, and the retaining screw is screwed into the fixing screw hole 320 through the fixing through hole 210, so that the rotor 300 can be locked and not rotated any more.
In order to facilitate the fixing of the housing 100 to the wall plate, a front flange 110 is provided at one end of the housing 100 to the wall plate, and when the housing is mounted and used, the front flange 110 is fixed to the wall plate, one end of the roll shaft 400 extends to the front flange 110 to be supported by the front flange 110, and the other end of the roll shaft 400 is fixedly connected with the rotor 300 through the expansion sleeve 310.
In order to protect the internal parts of the motor, a rear cover 120 is provided at the other end of the housing.
As shown in fig. 2, the method for fixing the structure of the half-frame direct-drive motor specifically includes the following steps:
step A100: the stator 200, the rotor 300 and the encoder 500 are adjusted in position on the tool;
step A200: threading the holding screw into the fixing screw hole 320 through the fixing through hole 210, locking the rotor 300 from rotating, thereby maintaining the relative positions among the stator 200, the rotor 300 and the encoder 500;
step A300: and (5) shipping the half-frame direct-drive motor.
As shown in fig. 3, a method for installing the half-frame direct-drive motor specifically includes the following steps:
step B100: securing the front flange 110 to the wall panel;
step B200: the roll shaft 400 is inserted into the center hole of the rotor 300, the roll shaft 400 and the rotor 300 are fixed by the expansion sleeve 310, the housing 100 is supported and fixed by being mounted to the wall plate, and the rotor 300 is supported and fixed by being mounted to the roll shaft 400;
step B300: opening the rear cover 120, loosening and removing the holding screw;
step B400: and the rear cover 120 is covered, so that the whole installation of the half-frame direct-drive motor is completed.
As shown in fig. 4, the method for assembling, disassembling and replacing the half-frame direct-drive motor specifically includes the following steps:
step C100: threading the retaining screw through the fixing through hole 210 into the fixing screw hole 320, locking the rotor 300 from rotating;
step C200: loosening the expansion sleeve 310 and the front flange 110;
step C300: and the half-frame direct-drive motor is disassembled and replaced.
Because roller class load all has wallboard and the bearing that supports the roller, and the too many bearing will lead to the problem that a plurality of bearings oversubscribed the interference, this technical scheme is in order to solve this problem, through utilizing the wallboard to fix shell 100, and rotor 300 is connected through expanding sleeve 310 with roller 400, just so, can replace the bearing through expanding sleeve 310, avoid appearing the too many problem that causes a plurality of bearings to oversubscribe the interference of bearing.
The technical scheme has ingenious structural arrangement and low cost, can realize convenient and quick installation, does not need a special tool, and has low technical requirements on field installation workers; meanwhile, the problem of excessive positioning interference of the multi-bearing is avoided, and the motor structure is very suitable for direct driving application of roll shafts.
In the description of the present specification, reference to the terms "one embodiment," "certain embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
1. A half frame direct drive motor, comprising:
a housing;
a stator fixedly disposed within the housing;
the rotor is arranged in the shell, a middle hole penetrating through the whole rotor along the axial direction of the rotor is arranged on the rotor, and an expansion sleeve matched with the diameter of the middle hole is arranged at one end of the middle hole;
the roll shaft is inserted into the middle hole of the rotor, one end of the roll shaft extends to the end part of the shell, and the other end of the roll shaft is fixedly connected with the rotor through the expansion sleeve;
one end of the encoder is fixed on the bottom plate, and the other end of the encoder is arranged on the rotor through the expansion sleeve;
a bottom plate is fixedly arranged in the shell, a fixing through hole is formed in the bottom plate, a fixing screw hole corresponding to the fixing through hole is formed in one end of the rotor, and a retaining screw penetrates through the fixing through hole and is screwed into the fixing screw hole, so that the rotor can be locked and can not rotate any more;
the front flange is arranged at one end of the shell fixed on the wallboard, when the front flange is fixed on the wallboard during installation and use, one end of the roll shaft extends to the front flange to be supported by the front flange, and the other end of the roll shaft is fixedly connected with the rotor through the expansion sleeve;
before leaving the factory, the stator, the rotor and the encoder are adjusted in position on the tool, and then the rotor is locked and can not rotate, so that the relative positions among the stator, the rotor and the encoder are maintained for transportation; when the motor is installed and used, the shell is fixed on the wallboard, the roll shaft is inserted into the middle hole of the rotor, the roll shaft and the rotor are fixed through the expansion sleeve, the shell is supported and fixed through being installed on the wallboard, the rotor is supported and fixed through being installed on the roll shaft, the rotor is loosened, the rotor is not locked any more, and the installation process of the whole motor is completed.
2. The half frame direct drive motor according to claim 1, wherein a rear cover is provided at the other end of the housing.
3. A method for transporting and fixing a half-frame direct-drive motor structure according to any one of claims 1-2, comprising the steps of:
step A100: the stator, the rotor and the encoder are adjusted in position on the tool;
step A200: the retaining screw is screwed into the fixing screw hole through the fixing through hole, and the rotor is locked and not rotated any more, so that the relative positions among the stator, the rotor and the encoder are maintained;
step A300: and (5) shipping the half-frame direct-drive motor.
4. A method of installing a half frame direct drive motor according to any one of claims 1-2, comprising the steps of:
step B100: fixing the front flange to the wall panel;
step B200: inserting the roll shaft into a central hole of the rotor, fixing the roll shaft and the rotor through an expansion sleeve, wherein the shell is supported and fixed through being mounted on a wallboard, and the rotor is supported and fixed through being mounted on the roll shaft;
step B300: opening the rear cover, loosening and removing the retaining screw;
step B400: and (5) covering the rear cover to complete the whole installation of the half-frame direct-drive motor.
5. A method for assembling, disassembling and replacing a half frame direct drive motor according to any one of claims 1-2, comprising the steps of:
step C100: the retaining screw is screwed into the fixing screw hole through the fixing through hole, and the rotor is locked and not rotated any more;
step C200: loosening the expansion sleeve and the front flange;
step C300: and the half-frame direct-drive motor is disassembled and replaced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050064.2A CN107565748B (en) | 2017-10-31 | 2017-10-31 | Half-frame direct-drive motor, transportation fixing method, installation method, disassembly, assembly and replacement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711050064.2A CN107565748B (en) | 2017-10-31 | 2017-10-31 | Half-frame direct-drive motor, transportation fixing method, installation method, disassembly, assembly and replacement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107565748A CN107565748A (en) | 2018-01-09 |
| CN107565748B true CN107565748B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711050064.2A Active CN107565748B (en) | 2017-10-31 | 2017-10-31 | Half-frame direct-drive motor, transportation fixing method, installation method, disassembly, assembly and replacement method |
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| EP2093864A1 (en) * | 2007-12-22 | 2009-08-26 | Robert Bosch GmbH | Machine with directly driven rotating body |
| CN201972854U (en) * | 2011-01-14 | 2011-09-14 | 国电联合动力技术有限公司 | Built-in large double-stator permanent magnet direct-drive wind driven generator |
| WO2016077986A1 (en) * | 2014-11-18 | 2016-05-26 | 魏晓敏 | Micro motor |
| CN106160332A (en) * | 2016-08-16 | 2016-11-23 | 郑先道 | A kind of motor that can directly drive rotary shaft |
| CN106533052A (en) * | 2016-12-30 | 2017-03-22 | 桂林电器科学研究院有限公司 | Driving mechanism of steel band driving roller in plastic film casting machine |
| CN206195539U (en) * | 2016-11-22 | 2017-05-24 | 深圳市马太智能科技有限公司 | Motor system is directly driven to high accuracy |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002235524A1 (en) * | 2001-02-05 | 2002-08-19 | Kollmorgan Corporation | Design for frameless cartridge motors |
| DE102006040611A1 (en) * | 2006-08-30 | 2008-03-06 | Robert Bosch Gmbh | direct drive |
| ES2415505T3 (en) * | 2010-05-06 | 2013-07-25 | The Switch Drive Systems Oy | An electric machine and a procedure for mounting it |
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2017
- 2017-10-31 CN CN201711050064.2A patent/CN107565748B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2093864A1 (en) * | 2007-12-22 | 2009-08-26 | Robert Bosch GmbH | Machine with directly driven rotating body |
| CN201972854U (en) * | 2011-01-14 | 2011-09-14 | 国电联合动力技术有限公司 | Built-in large double-stator permanent magnet direct-drive wind driven generator |
| WO2016077986A1 (en) * | 2014-11-18 | 2016-05-26 | 魏晓敏 | Micro motor |
| CN106160332A (en) * | 2016-08-16 | 2016-11-23 | 郑先道 | A kind of motor that can directly drive rotary shaft |
| CN206195539U (en) * | 2016-11-22 | 2017-05-24 | 深圳市马太智能科技有限公司 | Motor system is directly driven to high accuracy |
| CN106533052A (en) * | 2016-12-30 | 2017-03-22 | 桂林电器科学研究院有限公司 | Driving mechanism of steel band driving roller in plastic film casting machine |
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| CN107565748A (en) | 2018-01-09 |
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