CN202150772U - Sampling device of synchronization motor rotor position and rotational speed - Google Patents
Sampling device of synchronization motor rotor position and rotational speed Download PDFInfo
- Publication number
- CN202150772U CN202150772U CN201120260214U CN201120260214U CN202150772U CN 202150772 U CN202150772 U CN 202150772U CN 201120260214 U CN201120260214 U CN 201120260214U CN 201120260214 U CN201120260214 U CN 201120260214U CN 202150772 U CN202150772 U CN 202150772U
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- CN
- China
- Prior art keywords
- encoder
- connecting bolt
- hollow shaft
- motor rotor
- rotor position
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- Expired - Lifetime
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Abstract
A sampling device of a synchronization motor rotor position and a rotational speed is characterized in that two hollow shaft coders are comprised, one is arranged at the outer side of a connecting disc, and the other one is arranged in a reducing sleeve; the shells of the two hollow shaft coders are fixed with the connecting disc 3, and the hollow shafts of the hollow shaft coders are fixed with a connecting shaft 22 via a fixing key 14; the shells of the two hollow shaft coders are fixed and are not rotated, rotors of the two hollow shaft coders are rotated together with the connecting shaft 22, so that a speed signal can be acquired; a connecting bolt 16 enables a fixing plate 17 to be fixed together with the connecting disc 3, so that the connecting disc 3 is located at a relative static state. The advantages by employing the sampling device of the synchronization motor rotor position and rotational speed of the utility model are that, the situation is guaranteed that the two coders are in concentric connections, a connection error is reduced to the minimum, the speed measurement is high in precision, the installation is convenient and rapid, and the service lives of the coders are prolonged effectively.
Description
Technical field
The utility model relates to a kind of sampling apparatus, the sampling apparatus of particularly a kind of synchronous motor rotor position and rotating speed.
Background technology
Aspect transmission, need speed feedback and position monitoring, usually in order to reach accurate control; Need a plurality of encoders be installed on plant equipment as sampling apparatus, simultaneously, when encoder is directly installed on alternating current machine; Particularly during variable-frequency motor,, on the encoder shell, can induce electric current because there is axial current in motor; This will cause interference to the correct monitoring of encoder, and encoder can't correctly be worked, again because the needs of control; For example: in the application facet of ac-dc-ac inverter elevator; Need installation rate monitoring encoder, position monitoring encoder, a plurality of encoder to be installed in simultaneously on the main shaft, installation accuracy is required height, the monitoring of improper meeting correct is installed causes error even cisco unity malfunction.
The utility model content
The purpose of the utility model is, the sampling apparatus that proposes a kind of synchronous motor rotor position and rotating speed is used to solve the certainty of measurement that existing synchronous machine sampling apparatus exists can't guarantee the flimsy situation of encoder.
The utility model solves the technical scheme that its technical problem adopted: the sampling apparatus of a kind of synchronous motor rotor position and rotating speed, it is characterized in that, and comprise: an adpting flange; One attaching nut; One terminal pad; One first connecting bolt; One reducing sleeve; One reducing sleeve end cap; One second connecting bolt; One adapter sleeve; One nut; One encoder coupling; One the 3rd connecting bolt; One solid shafting encoder; Two hollow shaft encoders; One retainingf key; One clutch shaft bearing; One the 4th connecting bolt; One fixed head; The cable of two hollow shaft encoders; One solid shafting encoder cable; One control system; One connecting axle; One second bearing; One set bolt; One solid shafting encoder protective cover;
Described first connecting bolt is the connecting bolt of terminal pad and switching device;
Described second connecting bolt is the connecting bolt of reducing sleeve and reducing sleeve end cap and encoder adapter sleeve;
Described adapter sleeve is solid encoder adapter sleeve;
Described nut is described reducing sleeve end cap clamp nut;
Described the 3rd connecting bolt is encoder adapter sleeve and encoder protective cover connecting bolt;
Described retainingf key is the retainingf key of hollow shaft encoder with axle;
Described clutch shaft bearing is the bearing between terminal pad and the axle;
Described the 4th connecting bolt is fixed head and terminal pad connecting bolt;
Described second bearing is reducing sleeve end cap bearing;
Described set bolt is hollow shaft encoder set bolt;
The annexation of each parts of sampling apparatus of a kind of synchronous motor rotor position and rotating speed is following:
Described adpting flange is connected on the transmission device through described nut; Described connecting axle and described adpting flange are fixed as one; Described terminal pad is provided with the rotor that described retainingf key is used for fixing the hollow shaft encoder, is provided with clutch shaft bearing between described connecting axle and the described terminal pad; Described reducing sleeve is connected with first connecting bolt with described terminal pad; Be connected with second connecting bolt between described reducing sleeve and described reducing sleeve end cap and the described adapter sleeve; Described nut compresses described reducing sleeve end cap, and described adapter sleeve is connected with described the 3rd connecting bolt with described solid shafting encoder protective cover; Described coupling is arranged on described connection the tip of the axis; Connecting axle and solid shafting encoder are linked together; Make the solid shafting encoder with connecting axle also rotation with one heart; The cable of the cable of described hollow shaft encoder and described solid shafting encoder all is drawn out to control system, and described solid shafting encoder protective cover is used to protect encoder to avoid damaging and damage.Two hollow shaft encoders; One is installed in the described terminal pad outside; One is installed in the described reducing sleeve; Because the shell and the described terminal pad of hollow shaft encoder are fixed, the hollow shaft of hollow shaft encoder is fixed through described retainingf key and described connecting axle, described the 4th connecting bolt is fixed together described fixed head and described terminal pad, makes described terminal pad be in static relatively state.
The beneficial effect of the utility model is: adopt the utility model to possess following benefit:
1, the coaxial installation of a plurality of encoders need not in other positions encoder to be installed again, has reached convenient, effect fast is installed;
2, the several encoding device is connected on the same axle, and run-in synchronism has so not only reduced the measure error that forms when the several encoding device is installed in diverse location, improves the precision of sampling, has also prolonged the life-span of encoder simultaneously effectively;
3, because the several encoding device is installed together, only needs during installation adpting flange and transmission device done and once proofread and correct and adjust, so improved operating efficiency.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further specified.
As shown in Figure 1, the sampling apparatus of a kind of synchronous motor rotor position and rotating speed is characterized in that, comprises: 1 is adpting flange; 2 is the attaching nut, and 3 is terminal pad, and 4 is the connecting bolt (first connecting bolt) of terminal pad and switching device, and 5 is reducing sleeve; 6 is the reducing sleeve end cap, and 7 is the connecting bolt (second connecting bolt) of reducing sleeve and reducing sleeve end cap and encoder adapter sleeve, and 8 is solid shafting encoder adapter sleeve; 9 is reducing sleeve end cap clamp nut, and 10 is the encoder coupling, and 11 is encoder adapter sleeve and encoder protective cover connecting bolt (the 3rd connecting bolt); 12 is the solid shafting encoder, and 13 is the hollow shaft encoder, and 14 is the retainingf key of hollow shaft encoder and axle; 15 is the bearing (clutch shaft bearing) between terminal pad and the axle, and 16 is fixed head and terminal pad connecting bolt (the 4th connecting bolt), and 17 is fixed head; 18,19 is hollow shaft encoder cable, and 20 is solid shafting encoder cable, and 21 is control system; 22 is connecting axle; 23 is reducing sleeve end cap bearing (second bearing); 24 is hollow shaft encoder set bolt, and 25 is solid shafting encoder protective cover.
Concrete annexation is following:
Adpting flange 1 is connected on the transmission device through attaching nut 2; Connecting axle 22 is fixed as one with adpting flange 1; Terminal pad 1 is provided with the retainingf key 14 that is used for fixing hollow shaft encoder 13 rotors, is provided with bearing 15 (clutch shaft bearing) between connecting axle 22 and the terminal pad 3; Reducing sleeve 5 is connected with terminal pad 3 usefulness connecting bolts 4 (first connecting bolt); Be connected with connecting bolt 7 (second connecting bolt) between reducing sleeve 5 and reducing sleeve end cap 6 and the solid shafting encoder adapter sleeve 8; Reducing sleeve end cap clamp nut 9 compresses reducing sleeve end cap 6, and solid shafting encoder adapter sleeve 8 is connected with solid shafting encoder protective cover 25 usefulness connecting bolts 11 (the 3rd connecting bolt); The end of connecting axle 22 is provided with coupling 10; Coupling 10 links together connecting axle 22 and solid shafting encoder 12; Make solid shafting encoder 12 with connecting axle 22 also rotation with one heart; The cable 18,19 of hollow shaft encoder and the cable 20 of solid shafting encoder all are drawn out to control system, so, can detect the rotating speed of transmission device in system through connecting axle; When transmission device can detect the relative position of motor stator and rotor during for synchronous machine, solid shafting encoder protective cover 25 is used to protect encoder to avoid damaging and damage;
Two hollow shaft encoders; One is installed in the terminal pad outside; One is installed in the reducing sleeve, because the shell of hollow shaft encoder and terminal pad 3 hollow shafts fixing, the hollow shaft encoder are fixing with connecting axle 22 through retainingf key 14, the shell of hollow shaft encoder is fixing not to be rotated; The rotor of hollow shaft encoder is with connecting axle 22 rotation, so can the picking rate signal; Connecting bolt 16 is fixed together fixed head 17 and terminal pad 3, makes terminal pad 3 be in static relatively state.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains the part effective means of the utility model in Chinese application; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model is applicable to any checking content of utilizing the Chinese language characteristic, and these checking contents all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (8)
1. the sampling apparatus of synchronous motor rotor position and rotating speed is characterized in that comprising: an adpting flange; One attaching nut; One terminal pad; One first connecting bolt; One reducing sleeve; One reducing sleeve end cap; One second connecting bolt; One adapter sleeve; One nut; One encoder coupling; One the 3rd connecting bolt; One solid shafting encoder; Two hollow shaft encoders; One retainingf key; One clutch shaft bearing; One the 4th connecting bolt; One fixed head; The cable of two hollow shaft encoders; One solid shafting encoder cable; One control system; One connecting axle; One second bearing; One set bolt; One solid shafting encoder protective cover;
Described first connecting bolt is the connecting bolt of terminal pad and switching device;
Described second connecting bolt is the connecting bolt of reducing sleeve and reducing sleeve end cap and encoder adapter sleeve;
Described adapter sleeve is solid encoder adapter sleeve;
Described nut is described reducing sleeve end cap clamp nut;
Described the 3rd connecting bolt is encoder adapter sleeve and encoder protective cover connecting bolt;
Described retainingf key is the retainingf key of hollow shaft encoder with axle;
Described clutch shaft bearing is the bearing between terminal pad and the axle;
Described the 4th connecting bolt is fixed head and terminal pad connecting bolt;
Described second bearing is reducing sleeve end cap bearing;
Described set bolt is hollow shaft encoder set bolt.
2. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed is characterized in that, described adpting flange is connected on the transmission device and with described connecting axle through described nut and is fixed as one.
3. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed; It is characterized in that; Described terminal pad be provided with described retainingf key and and described connecting axle between be provided with clutch shaft bearing, be connected through first connecting bolt with described adapter sleeve.
4. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed; It is characterized in that; Be connected with second connecting bolt between described reducing sleeve end cap and described reducing sleeve and the described adapter sleeve, and with through described nut it being compressed.
5. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed is characterized in that, described adapter sleeve is connected with described the 3rd connecting bolt with described solid shafting encoder protective cover.
6. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed is characterized in that, described coupling is arranged on described connection the tip of the axis, and described connecting axle and described solid shafting encoder are linked together.
7. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed is characterized in that, described two hollow shaft encoders, and one is installed in the described terminal pad outside, and one is installed in the described reducing sleeve.
8. the sampling apparatus of a kind of synchronous motor rotor position according to claim 1 and rotating speed is characterized in that, the cable of the cable of described hollow shaft encoder and described solid shafting encoder all is drawn out to control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120260214U CN202150772U (en) | 2011-07-22 | 2011-07-22 | Sampling device of synchronization motor rotor position and rotational speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120260214U CN202150772U (en) | 2011-07-22 | 2011-07-22 | Sampling device of synchronization motor rotor position and rotational speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202150772U true CN202150772U (en) | 2012-02-22 |
Family
ID=45591823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120260214U Expired - Lifetime CN202150772U (en) | 2011-07-22 | 2011-07-22 | Sampling device of synchronization motor rotor position and rotational speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202150772U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285053A (en) * | 2012-05-07 | 2015-01-14 | 斯奈克玛 | Method for improved assembly of actuator for air bleed valve of turbine engine |
| CN112448547A (en) * | 2019-08-30 | 2021-03-05 | 上海梅山钢铁股份有限公司 | Motor double-encoder detection device |
| CN113383209A (en) * | 2018-12-06 | 2021-09-10 | 谐波传动系统有限公司 | Double absolute type encoder |
| CN114552896A (en) * | 2022-02-24 | 2022-05-27 | 本溪钢铁（集团）机械制造有限责任公司 | Method for mounting encoder on motor |
-
2011
- 2011-07-22 CN CN201120260214U patent/CN202150772U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104285053A (en) * | 2012-05-07 | 2015-01-14 | 斯奈克玛 | Method for improved assembly of actuator for air bleed valve of turbine engine |
| CN104285053B (en) * | 2012-05-07 | 2016-08-24 | 斯奈克玛 | The method assembled for the improvement of the actuator of the air bleeder valve of turbine engine |
| CN113383209A (en) * | 2018-12-06 | 2021-09-10 | 谐波传动系统有限公司 | Double absolute type encoder |
| CN113383209B (en) * | 2018-12-06 | 2024-03-29 | 谐波传动系统有限公司 | Double absolute encoder |
| CN112448547A (en) * | 2019-08-30 | 2021-03-05 | 上海梅山钢铁股份有限公司 | Motor double-encoder detection device |
| CN114552896A (en) * | 2022-02-24 | 2022-05-27 | 本溪钢铁（集团）机械制造有限责任公司 | Method for mounting encoder on motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200083, Shanghai, Hongkou District water circuit No. 120, west side of the four Patentee after: Shanghai Hualing power station equipment Limited by Share Ltd Address before: 200083, Shanghai, Hongkou District water circuit No. 120, west side of the four Patentee before: Shanghai Hualing Power Station Complete Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120222 |
|
| CX01 | Expiry of patent term |