CN204089495U - The mounting structure of external rotor coder - Google Patents
The mounting structure of external rotor coder Download PDFInfo
- Publication number
- CN204089495U CN204089495U CN201420473878.2U CN201420473878U CN204089495U CN 204089495 U CN204089495 U CN 204089495U CN 201420473878 U CN201420473878 U CN 201420473878U CN 204089495 U CN204089495 U CN 204089495U
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- CN
- China
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- external rotor
- main shaft
- inner sleeve
- rotor
- whirligig
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Abstract
The utility model relates to a kind of mounting structure of external rotor coder, comprise whirligig and the encoder being arranged on described whirligig one end, described rotary encoder comprises the inner sleeve and overcoat that are mutually rotatably connected, described whirligig is provided with fixing stator main shaft and is arranged on the external rotor on described stator main shaft by rotor bearing, the inner sleeve of described encoder to be socketed on the described stator main shaft that extends out and to be fixedly connected with described stator main shaft, described overcoat is fixedly connected with described external rotor by connectors such as flange for connections, described stator main shaft, external rotor, inner sleeve and overcoat coaxial, leave gap between the inner sleeve of described encoder and overcoat and be provided with corresponding position sensible element.The utility model accuracy of detection is high, and installation approach safety is succinct, firm, reliability is high good, is specially adapted to low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism.
Description
Technical field
The utility model relates to the mounting structure of encoder outside on rotor turning gear, the encoder being mainly applicable to low speed (containing Ultra-Low Speed, lower same) high pulling torque outer rotor motor, low-speed big gearless crane hoisting mechanism and other external rotor whirligigs is installed.
Background technology
Encoder used in Crane Industry adopts the internal rotor encoder of band connecting axle usually, generally be used in crane hoisting or run on motor, most and motor is made of one, adopting hollow shaft encoder directly to install is fixed on motor shaft, also have and encoder installed separately as parts, first encoder is installed on support, and then by flexible clutch, encoder is connected on motor shaft or crane hoisting mechanism slow-speed shaft on (being generally in spool shaft), with PLC with the use of, form closed-loop control, its position of rotation is detected with encoder, rotating speed and acceleration, object is the precision in order to control hoisting speed of crane and the speed of service more accurately.But, along with the use of low-speed big outer rotor motor or the gearless external rotor crane hoisting mechanism based on this motor, traditional internal rotor encoder can not meet needs, in the urgent need to designing a kind of mounting structure pattern adapting to external rotor coder.
Summary of the invention
In order to solve the problems referred to above under prior art, the utility model provides a kind of mounting structure being directed to external rotor coder, be applicable to the external rotor whirligig that its rotating parts (external rotor) radial dimension is larger, meet its position or speed etc. and detect needs.
The technical solution of the utility model is:
A kind of mounting structure of external rotor coder, comprise whirligig and the encoder being arranged on described whirligig one end, described rotary encoder comprises the inner sleeve and overcoat that are mutually rotatably connected, described whirligig is provided with fixing stator main shaft and is arranged on the external rotor on described stator main shaft by rotor bearing, described encoder is that described inner sleeve to be socketed in the described stator main shaft that extends out from this end and to be fixedly connected with described stator main shaft at the mounting means of described whirligig one end, described overcoat is fixedly connected with described external rotor, described stator main shaft, external rotor, inner sleeve and overcoat coaxial.
The beneficial effects of the utility model are: encoder adopts external rotor pattern, the overcoat of encoder is with the external rotor synchronous axial system of whirligig, the external rotor position to position of rotation, rotary speed can be realized and add data such as hastening detection, accuracy of detection is high, and installation approach safety is succinct, firm, reliability is high good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
See Fig. 1, the utility model provides a kind of mounting structure of external rotor coder, be applicable to external rotor whirligig, it encoder comprising whirligig and be arranged on described whirligig one end, described rotary encoder comprises the inner sleeve 1 and overcoat 2 that are mutually rotatably connected, described whirligig is provided with fixing stator main shaft 3 and is arranged on the external rotor 5 on described stator main shaft by rotor bearing 4, described encoder is that described inner sleeve to be socketed in the described stator main shaft that extends out from this end and to be fixedly connected with described stator main shaft at the mounting means of described whirligig one end, described overcoat is fixedly connected with described external rotor, described stator main shaft, external rotor, inner sleeve and overcoat coaxial.During work, maintain static together with the inner sleeve of encoder is fixing with the stator main shaft of whirligig, the overcoat of encoder and the external rotor Complete Synchronization ground of whirligig rotate, the parameter such as angular displacement, rotary speed, rotary acceleration of encoder overcoat is identical with whirligig external rotor, is conducive to the reliability and the raising accuracy of detection that ensure detection data.
Preferably, the mode that described inner sleeve is fixedly connected with described main shaft is be socketed in described inner sleeve on described stator main shaft and described stator main shaft interference fits and be provided with linking bond 6, and this to be fixedly connected with mode structure simple, easy for installation, good reliability.
Preferably, described stator main shaft is multidiameter for installing the part of described inner sleeve, the inner end of described inner sleeve is located by the corresponding seam on described multidiameter, the outer end of described inner sleeve is located by the fixedly sleeved thrust ring 7 at described multidiameter, ensures that inner sleeve is located in the axial direction and fixes thus by simple structure.
Preferably, described multidiameter is also socketed with spacer 8, described spacer described inner sleeve and for locate described positioning inner sleeve inner end seam between, the inner end of described spacer connects with the end face of described seam, outer end connects with the inner end of described inner sleeve, the inner end of described thrust ring connects with the outer end of described inner sleeve, by the setting of spacer, is beneficial to inner sleeve to be positioned on suitable axial location.
Preferably, described spacer is made up of one section of sleeve, the axis middle part of described sleeve is provided with toroidal membrane, described toroidal membrane is positioned at the outside of the rotor bearing of described whirligig respective end, its external diameter is greater than the internal diameter of this rotor bearing, can also play protective action thus to the rotor bearing of respective end.
Preferably, the two ends of described external rotor are provided with end flanges dish 9, the outward flange position of described end flanges dish is fastened by bolts in the annular flange flange 10 at described external rotor corresponding port place, the inner circle of described end flanges dish is fixedly connected with the outer ring of the rotor bearing of described whirligig respective end, easily and effectively achieves the shutoff of external rotor port and the connection between external rotor and rotor bearing thus.
External diameter due to described rotor bearing is under normal circumstances greater than the external diameter of described overcoat, preferably, described outer putting is provided with overcoat flange 21, described overcoat flange is positioned at the outside of a flange for connection 11, and be fastened by bolts on the inward flange position of this flange for connection, described flange for connection is positioned at the outside of the end flanges dish of described whirligig respective end, the outward flange position of described flange for connection is fastened by bolts the inward flange position of the end flanges dish in described whirligig respective end, realize being fixedly connected with between described overcoat with described external rotor thus.Easily and effectively solve the problem because encoder overcoat size cannot directly be connected with end flanges dish with factors such as positions thus.
Usually, leave gap between described inner sleeve and overcoat, described inner sleeve and putting outward is provided with corresponding position sensible element, to ensure the rotation of overcoat relative to inner sleeve, and to obtain corresponding transducing signal.
Preferably, the two ends of described main shaft are arranged on the spindle bearing 12 of respective respective end, are positioned at the outside that the spindle bearing being provided with described encoder one end is arranged on described encoder, not only facilitate encoder installation on the spinning device thus, simplify syndeton, also easy to use and maintenance.
Especially, described whirligig can be low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, the external rotor of described whirligig is the external rotor of described low-speed big outer rotor motor or the reel of described low-speed big gearless crane hoisting mechanism, the stator main shaft of described whirligig is the stator main shaft of described low-speed big outer rotor motor or the main shaft of described low-speed big gearless crane hoisting mechanism, to solve the problem that prior art is unsuitable for low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism.
Claims (10)
1. the mounting structure of an external rotor coder, comprise whirligig and the encoder being arranged on described whirligig one end, described rotary encoder comprises the inner sleeve and overcoat that are mutually rotatably connected, described whirligig is provided with fixing stator main shaft and is arranged on the external rotor on described stator main shaft by rotor bearing, it is characterized in that described encoder is that described inner sleeve to be socketed in the described stator main shaft that extends out from this end and to be fixedly connected with described stator main shaft at the mounting means of described whirligig one end, described overcoat is fixedly connected with described external rotor, described stator main shaft, external rotor, inner sleeve and overcoat coaxial.
2. the mounting structure of external rotor coder as claimed in claim 1, is characterized in that mode that described inner sleeve is fixedly connected with described main shaft is be socketed in described inner sleeve on described stator main shaft and described stator main shaft interference fits and be provided with linking bond.
3. the mounting structure of external rotor coder as claimed in claim 2, it is characterized in that described stator main shaft is multidiameter for installing the part of described inner sleeve, the inner end of described inner sleeve is located by the corresponding seam on described multidiameter, and the outer end of described inner sleeve is located by the fixedly sleeved thrust ring at described multidiameter.
4. the mounting structure of external rotor coder as claimed in claim 3, it is characterized in that described multidiameter is also socketed with spacer, described spacer described inner sleeve and for locate described positioning inner sleeve inner end seam between, the inner end of described spacer connects with the end face of described seam, outer end connects with the inner end of described inner sleeve, and the inner end of described thrust ring connects with the outer end of described inner sleeve.
5. the mounting structure of external rotor coder as claimed in claim 4, it is characterized in that described spacer is made up of one section of sleeve, the axis middle part of described sleeve is provided with toroidal membrane, described toroidal membrane is positioned at the outside of the rotor bearing of described whirligig respective end, and its external diameter is greater than the internal diameter of this rotor bearing.
6. the mounting structure of the external rotor coder as described in claim 1,2,3,4 or 5, it is characterized in that the two ends of described external rotor are provided with end flanges dish, the outward flange position of described end flanges dish is fastened by bolts in the annular flange flange at described external rotor corresponding port place, the inner circle of described end flanges dish is fixedly connected with the outer ring of the rotor bearing of described whirligig respective end, realizes the connection between described external rotor and described rotor bearing thus.
7. the mounting structure of external rotor coder as claimed in claim 6, it is characterized in that the external diameter of described rotor bearing is greater than the external diameter of described overcoat, described outer putting is provided with overcoat flange, described overcoat flange is positioned at the outside of a flange for connection, and be fastened by bolts on the inward flange position of this flange for connection, described flange for connection is positioned at the outside of the end flanges dish of described whirligig respective end, the outward flange position of described flange for connection is fastened by bolts the inward flange position of the end flanges dish in described whirligig respective end, realize being fixedly connected with between described overcoat with described external rotor thus.
8. the mounting structure of external rotor coder as claimed in claim 7, is characterized in that leaving gap between described inner sleeve and overcoat, described inner sleeve and put the position sensible element being provided with correspondence outward.
9. the mounting structure of external rotor coder as claimed in claim 8, is characterized in that the two ends of described main shaft are arranged on the spindle bearing of respective respective end, is positioned at the outside that the spindle bearing being provided with described encoder one end is arranged on described encoder.
10. the mounting structure of external rotor coder as claimed in claim 9, it is characterized in that described whirligig is low-speed big outer rotor motor or low-speed big gearless crane hoisting mechanism, the external rotor of described whirligig is the external rotor of described low-speed big outer rotor motor or the reel of described low-speed big gearless crane hoisting mechanism, and the stator main shaft of described whirligig is the stator main shaft of described low-speed big outer rotor motor or the main shaft of described low-speed big gearless crane hoisting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473878.2U CN204089495U (en) | 2014-08-21 | 2014-08-21 | The mounting structure of external rotor coder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420473878.2U CN204089495U (en) | 2014-08-21 | 2014-08-21 | The mounting structure of external rotor coder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089495U true CN204089495U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420473878.2U Active CN204089495U (en) | 2014-08-21 | 2014-08-21 | The mounting structure of external rotor coder |
Country Status (1)
| Country | Link |
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| CN (1) | CN204089495U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106871941A (en) * | 2017-02-20 | 2017-06-20 | 重庆机床(集团)有限责任公司 | A kind of easy-disassembling-assembling fine angle encoder |
-
2014
- 2014-08-21 CN CN201420473878.2U patent/CN204089495U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106871941A (en) * | 2017-02-20 | 2017-06-20 | 重庆机床(集团)有限责任公司 | A kind of easy-disassembling-assembling fine angle encoder |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |