CN202260870U - Connector for motor spindle and rotary encoder - Google Patents
Connector for motor spindle and rotary encoder Download PDFInfo
- Publication number
- CN202260870U CN202260870U CN2011203806399U CN201120380639U CN202260870U CN 202260870 U CN202260870 U CN 202260870U CN 2011203806399 U CN2011203806399 U CN 2011203806399U CN 201120380639 U CN201120380639 U CN 201120380639U CN 202260870 U CN202260870 U CN 202260870U
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- shaft
- encoder
- electric machine
- machine main
- coupling
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Abstract
The utility model discloses a connector for a motor spindle and a rotary encoder. The connector comprises a positioning holddown, screw assemblies, a locating shaft and a coupling; the conical surface of the locating shaft is pressed into the central locating hole of the motor spindle by the locating holddown and the screw assemblies; the screw assemblies are adjusted until the locating holddown is parallel with the rear end surface of the motor spindle; and the locating shaft is connected with the shaft of the encoder through the coupling. When the connector is adopted, the radial force applied on the encoder can be decreased, consequently, the encoder can be prevented from being damaged, and the maintenance cost can be saved.
Description
Technical field
The utility model relates to electric and electronic technical field, relates in particular to a kind of electric machine main shaft of high voltage converter speed feedback device and the jockey of rotary encoder.
Background technology
In the high-performance high voltage converter application based on vector control algorithm, the velocity transducer vector control algorithm needs the speed feedback of velocity transducer.Usually adopt encoder to carry out the collection and the feedback of speed in industry.Like this, just need electric machine main shaft and encoder be coupled together.When said encoder adopted photoelectric encoder, photoelectric encoder converted the geometry of machinery displacement on the output shaft transducer of pulse or digital quantity to through opto-electronic conversion, is commonly used to measure motor speed.Photoelectric encoder is made up of grating dish and photoelectric detection system.The grating dish be on the plectane of certain diameter five equilibrium offer several circular arc through holes.Because photoelectric coded disk and motor coaxle; During the motor rotation, grating dish and motor coaxle rotate with speed, survey some pulse signals of output through the checkout gear that electronic components such as light-emitting diode are formed; At pulse number, and then record motor speed through the output of calculating photoelectric encoder per second.Its technical parameter mainly contains pulse number (dozens of to several thousand do not wait) and the supply power voltage of revolution etc.Encoder is divided into two kinds of single and double lines, and single channel output is meant that photoelectric encoder output is a set of pulses, and two-way is output as two group pulses of phase phasic difference 90 degree, both can judge rotating speed of motor through two group pulses, also can judge the direction of rotation of motor.Encoder has been widely used in the powerful speed measuring system that high voltage converter drives now, and the motor speed that encoder is measured feeds back to high voltage converter, thereby realizes the speed regulation and control of high voltage converter to motor.
Realize that existing the designer finds to exist in the prior art following problem in electric machine main shaft and the process that encoder is connected:
The difficult calibration of the concentricity of electric machine main shaft and coder shaft in the prior art; And because encoder is accurate device and costs an arm and a leg; If the encoder long-play is under the effect of radial stress, then encoder is easy to damage encoder, influences the stability of system and increases maintenance cost.
The utility model content
The embodiment of the utility model provides the jockey of a kind of electric machine main shaft and rotary encoder.For achieving the above object, the embodiment of the utility model adopts following technical scheme:
A kind of electric machine main shaft that the utility model provides and the jockey of rotary encoder comprise: positioning pressuring plate, set screws component, locating shaft, shaft coupling;
The said locating shaft conical surface relies on said positioning pressuring plate to be pressed in the center positioning hole of electric machine main shaft with said set screws component; Regulate said set screws component, make said positioning pressuring plate parallel with the rear end face of said electric machine main shaft; Said locating shaft is connected with coder shaft through said shaft coupling.
Wherein, said shaft coupling is: spring spiral steel shaft coupling, or, sliding cross coupling, or, bellows coupling, or, the parallel axes shaft coupling, or, rubber material shaft coupling.
A kind of electric machine main shaft that the utility model embodiment provides and the jockey of rotary encoder rely on positioning pressuring plate through the locating shaft conical surface, are pressed in the electric machine main shaft center positioning hole with the set screws component; Regulate the degree of tightness of said set screws component, make positioning pressuring plate parallel with the rear end face of electric machine main shaft; Locating shaft is promptly concentric with electric machine main shaft; Locating shaft is connected with coder shaft through said shaft coupling; Through the encoder mounting panel encoder is connected with the encoder installing rack; The connected mode that surplus is arranged through encoder installing rack and encoder mounting panel; Regulate and guarantee the concentricity of whole system; Guarantee the concentric of coder shaft and locating shaft, and then guaranteed the concentric of coder shaft and electric machine main shaft.Because the jockey of electric machine main shaft that the utility model adopted and rotary encoder has guaranteed the concentric of coder shaft and locating shaft; And then guaranteed the concentric of coder shaft and electric machine main shaft; Therefore in the process of electric machine main shaft and rotary encoder work; Reduce encoder institute bearing radial force greatly, avoided the encoder damage, practiced thrift maintenance cost.
Description of drawings
A kind of electric machine main shaft that Fig. 1 provides for the utility model embodiment and the jockey structural representation of rotary encoder;
The vitals label of said jockey is following:
1. electric machine main shaft; 2. encoder; 3. positioning pressuring plate;
4. motor bonnet; 5. set screws component; 6. locating shaft;
7. shaft coupling; 8. encoder installing rack; 9. encoder mounting panel.
Embodiment
A kind of electric machine main shaft that the utility model embodiment is provided below in conjunction with accompanying drawing and the jockey of rotary encoder are described in detail.
The encoder of being mentioned in the utility model is the device that is used for measuring rotating speed, and the photoelectric type rotary encoder is through opto-electronic conversion, can convert mechanical quantity such as the angular displacement of output shaft, angular speed to corresponding electric pulse with digital quantity output (REP).It is divided into single channel output and two-way is exported two kinds.Technical parameter mainly contains revolution umber of pulse (tens have to several thousand) and supply power voltage etc.Single channel output is meant that the output of rotary encoder is a set of pulses, and the pulse that the rotary encoder of two-way output is exported two groups of A/B phase differences, 90 degree not only can be measured rotating speed through this two group pulse, can also judge the direction of rotation.
Shaft coupling described in the utility model is that two axles (driving shaft and driven shaft) that are used for connecting in the different institutions make it the machine components of common rotation with transfer torque.
As shown in Figure 1, a kind of electric machine main shaft that provides for the utility model embodiment and the jockey structural representation of rotary encoder; This jockey comprises: positioning pressuring plate, set screws component, locating shaft, shaft coupling; Said jockey is used to connect motor and encoder; Concrete connection is described below:
Said locating shaft 6 conical surfaces rely on the said set screws component 5 of said positioning pressuring plate 3 usefulness to be pressed in the center positioning hole of electric machine main shaft 1; Regulate said set screws component 5, make said positioning pressuring plate 3 parallel with the rear end face of said electric machine main shaft 1; Said locating shaft 6 is connected through 2 of said shaft coupling 7 and encoders.
Wherein, said shaft coupling 7 is: spring spiral steel shaft coupling, or, sliding cross coupling, or, bellows coupling, or, the parallel axes shaft coupling, or, rubber material shaft coupling.
Based on above jockey, through encoder mounting panel 9 encoder 2 is connected with encoder installing rack 8, through encoder installing rack 8 and encoder mounting panel 9 connected mode of surplus is arranged, regulate and guarantee the concentricity of whole system; Guarantee the concentric of 2 of encoders and locating shaft 6, and then guaranteed the concentric of 2 of encoders and electric machine main shaft 1.
Said locating shaft 6 conical surfaces rely on the fastening mode of positioning pressuring plate 3 usefulness screws to be pressed in the electric machine main shaft center positioning hole, are connected through 2 of shaft coupling 7 and encoders; Be installed in encoder installing rack 8 on the electric machine casing,, use the installing hole that motor bonnet 4 is connected with motor housing when encoder installing rack 8 is installed in order to regular coding device mounting panel 9 and then regular coding device 2.
A kind of electric machine main shaft that the utility model embodiment provides and the jockey of rotary encoder rely on positioning pressuring plate through the locating shaft conical surface, are pressed in the electric machine main shaft center positioning hole with the set screws component; Regulate the degree of tightness of said set screws component, make positioning pressuring plate parallel with the rear end face of electric machine main shaft; Locating shaft is promptly concentric with electric machine main shaft; Locating shaft is connected with coder shaft through said shaft coupling; Through the encoder mounting panel encoder is connected with the encoder installing rack; The connected mode that surplus is arranged through encoder installing rack and encoder mounting panel; Regulate and guarantee the concentricity of whole system; Guarantee the concentric of coder shaft and locating shaft, and then guaranteed the concentric of coder shaft and electric machine main shaft.Because the jockey of electric machine main shaft that the utility model adopted and rotary encoder has guaranteed the concentric of coder shaft and locating shaft; And then guaranteed the concentric of coder shaft and electric machine main shaft; Therefore in the process of electric machine main shaft and rotary encoder connection; Reduced installation difficulty, reduced requirement, improved coder shaft and primary shaft concentricity the field adjustable personnel; Encoder is connected with the electric machine main shaft non-operative end surface, the actual speed in the time of can measuring the motor operate as normal; In the process of electric machine main shaft and rotary encoder work, reduced encoder institute bearing radial force greatly, avoid the encoder damage, practice thrift maintenance cost.
The above; Be merely the embodiment of the utility model; But the protection range of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field can expect changing or replacement in the technical scope that the utility model discloses easily, all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion by said protection range with claim.
Claims (2)
1. the jockey of electric machine main shaft and rotary encoder is characterized in that, comprising: positioning pressuring plate, set screws component, locating shaft, shaft coupling;
The said locating shaft conical surface relies on said positioning pressuring plate to be pressed in the center positioning hole of electric machine main shaft with said set screws component; Regulate said set screws component, make said positioning pressuring plate parallel with the rear end face of said electric machine main shaft; Said locating shaft is connected with coder shaft through said shaft coupling.
2. the jockey of electric machine main shaft according to claim 1 and rotary encoder is characterized in that, said shaft coupling is: spring spiral steel shaft coupling, or; Sliding cross coupling, or, bellows coupling, or; The parallel axes shaft coupling, or, rubber material shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203806399U CN202260870U (en) | 2011-10-08 | 2011-10-08 | Connector for motor spindle and rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203806399U CN202260870U (en) | 2011-10-08 | 2011-10-08 | Connector for motor spindle and rotary encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260870U true CN202260870U (en) | 2012-05-30 |
Family
ID=46122053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203806399U Expired - Lifetime CN202260870U (en) | 2011-10-08 | 2011-10-08 | Connector for motor spindle and rotary encoder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260870U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104317028A (en) * | 2014-08-29 | 2015-01-28 | 成都科信达实业有限公司 | Driving assembly for fine tuning of optical element |
| CN105500368A (en) * | 2015-12-15 | 2016-04-20 | 南开大学 | Disc-type tandem elastic drive |
| CN105973290A (en) * | 2016-07-26 | 2016-09-28 | 莱芜钢铁集团电子有限公司 | Shaft rotary encoder fixation support |
| CN107070119A (en) * | 2017-06-22 | 2017-08-18 | 张家港浦项不锈钢有限公司 | A kind of installation method of split type synchronous high-voltage motor encoder |
| CN108330957A (en) * | 2017-12-26 | 2018-07-27 | 中建港务建设有限公司 | A kind of hidden pipe pile stroke real-time monitoring system and method |
| CN109358205A (en) * | 2018-11-15 | 2019-02-19 | 力博重工科技股份有限公司 | High-precision conveyer speed measuring device |
| WO2020108469A1 (en) * | 2018-11-29 | 2020-06-04 | 歌尔股份有限公司 | Rotary encoder testing device |
| CN114776998A (en) * | 2022-05-19 | 2022-07-22 | 中科航宇(北京)自动化工程技术有限公司 | Data measurement sensor connecting device for automatic control system of large equipment |
-
2011
- 2011-10-08 CN CN2011203806399U patent/CN202260870U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104317028A (en) * | 2014-08-29 | 2015-01-28 | 成都科信达实业有限公司 | Driving assembly for fine tuning of optical element |
| CN105500368A (en) * | 2015-12-15 | 2016-04-20 | 南开大学 | Disc-type tandem elastic drive |
| CN105973290A (en) * | 2016-07-26 | 2016-09-28 | 莱芜钢铁集团电子有限公司 | Shaft rotary encoder fixation support |
| CN107070119A (en) * | 2017-06-22 | 2017-08-18 | 张家港浦项不锈钢有限公司 | A kind of installation method of split type synchronous high-voltage motor encoder |
| CN107070119B (en) * | 2017-06-22 | 2019-06-28 | 浦项(张家港)不锈钢股份有限公司 | A kind of installation method of split type synchronous high-voltage motor encoder |
| CN108330957A (en) * | 2017-12-26 | 2018-07-27 | 中建港务建设有限公司 | A kind of hidden pipe pile stroke real-time monitoring system and method |
| CN109358205A (en) * | 2018-11-15 | 2019-02-19 | 力博重工科技股份有限公司 | High-precision conveyer speed measuring device |
| WO2020108469A1 (en) * | 2018-11-29 | 2020-06-04 | 歌尔股份有限公司 | Rotary encoder testing device |
| CN114776998A (en) * | 2022-05-19 | 2022-07-22 | 中科航宇(北京)自动化工程技术有限公司 | Data measurement sensor connecting device for automatic control system of large equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |