CN202677200U - Height adjusting device for direct-current motor - Google Patents
Height adjusting device for direct-current motor Download PDFInfo
- Publication number
- CN202677200U CN202677200U CN 201220301576 CN201220301576U CN202677200U CN 202677200 U CN202677200 U CN 202677200U CN 201220301576 CN201220301576 CN 201220301576 CN 201220301576 U CN201220301576 U CN 201220301576U CN 202677200 U CN202677200 U CN 202677200U
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- direct current
- current generator
- pad
- direct
- current motor
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Abstract
The utility model discloses a height adjusting device for a direct-current motor. In the height adjusting device, a direct-current motor is fixed on one side of a support plate; a pinion is arranged at a shaft end of the direct-current motor; a transmission rod is provided with screw threads; one end of the transmission rod is fixedly mounted on a bottom plate; screw threads are formed in an inner hole of a bull gear, and is in meshed connection with the screw threads of the transmission rod; the bull gear is meshed with the pinion; a bearing is arranged between the bull gear and the support plate; the bearing, the support plate and an elastic element are sleeved in sequence on the transmission rod; one end of the elastic element is fixed on the support plate, and the other end of the elastic element is connected with a metal fixing element fixed on a bedplate; a displacement sensor is arranged on the bedplate; and an output end of the displacement sensor is connected with an input end of the direct-current motor. According to the height adjusting device for a direct-current motor, the height variation between a measuring bedplate and the bottom plate can be measured by the displacement sensor, and the action of external force on the bedplate is controlled by controlling the contractility of the direct-current motor and the elastic element.
Description
Technical field
The utility model relates to arrangement for adjusting height, particularly a kind of direct current generator arrangement for adjusting height for the ultralow frequency active vibration isolation.
Technical background
Along with improving constantly of ultraprecise processing and measurement, nanometer technique, external environment condition disturbs the vibration of vibration and equipment self generation all having a strong impact on technology acuracy and the serviceable life of precision equipment.Need to provide various isolation mountings to guarantee the normal use of precision equipment for this reason, also the anti-vibration performance of relevant isolation mounting is had higher requirement simultaneously.Spring is widely used in the damping part of various vibratory equipments as flexible member commonly used, and it has good stability, and noise is low, and vibration isolating effect is obvious, the characteristics such as long service life.But the application of spring just is confined to when being subjected to External Force Acting usually, rely on simply the elastic deformation of himself to resist and the external acting force of decaying, so that present spring vibration isolation performance aspect low frequency vibration isolation is desirable not to the utmost, also caused limiting on the very large degree its further application in the ultralow frequency field.
Summary of the invention
The purpose of this utility model is to provide a kind of direct current generator arrangement for adjusting height, the height change ultralow frequency active vibration isolation that is used for displacement sensor platen and base plate is regulated, adjust at any time the height of table top by arrangement for adjusting height, the distance of platen and base plate is kept within the specific limits.
For achieving the above object, the technical solution of the utility model is, a kind of direct current generator arrangement for adjusting height, comprise: direct current generator, pinion wheel, gear wheel, bearing, back up pad, drive link, elastic component and metal fixing, one side of back up pad is fixed with direct current generator, the axle head of direct current generator is equipped with pinion wheel, drive link is provided with screw thread, and an end is fixedly installed in base plate, the endoporus of gear wheel is provided with screw thread, and is connected gear wheel and pinion with the screw-threaded engagement of drive link, between gear wheel and the back up pad bearing is housed, drive link is set with bearing successively, back up pad and elastic component, elastic component one end is fixed in back up pad, and the other end is connected with the metal fixing that is fixed in platen, platen is equipped with displacement transducer, and the output terminal of displacement transducer is connected with the input end of direct current generator.
Described elastic component is pagoda-shaped spring or cylindrical spring.
Described metal fixing is bolt or screw or rivet.
Technique effect of the present utility model is: drive back up pad by direct current generator by gear and drive link, utilize the contractility of elastic component to reach the effect that the control External Force Acting affects platen of adjusting.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Among the figure: 1-direct current generator, 2-pinion wheel, 3-gear wheel, 4-bearing, 5-back up pad, 6-drive link, 7-elastic component, 8-metal fixing, 9-platen, 10-base plate, 11-displacement transducer.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, referring to Fig. 1, a kind of direct current generator arrangement for adjusting height, comprise: direct current generator 1, pinion wheel 2, gear wheel 3, bearing 4, back up pad 5, drive link 6, elastic component 7 and metal fixing 8, one side of back up pad 5 is fixed with direct current generator 1, the axle head of direct current generator 1 is equipped with pinion wheel 2, drive link 6 is provided with screw thread, and an end is fixedly installed in base plate 10, the endoporus of gear wheel 3 is provided with screw thread, and be connected with the screw-threaded engagement of drive link 6, gear wheel 3 and pinion wheel 2 engagements, drive link 6 is set with bearing 4 successively, back up pad 5 and elastic component 7, between gear wheel 3 and the back up pad 5 bearing 4 is housed, elastic component 7 one ends are fixed in back up pad 5, and the other end is connected with the metal fixing 8 that is fixed in platen 9, platen 9 and base plate 10 corresponding one sides are equipped with displacement transducer 11, and the output terminal of displacement transducer 11 is connected with the input end of direct current generator 1.
Described elastic component 7 is pagoda-shaped spring or cylindrical spring.
Described metal fixing 8 is bolt or screw or rivet.
Embodiment:A kind of best mode of the present utility model, referring to Fig. 1, direct current generator 1 is mounted by means of bolts on the back up pad 5, direct current generator 1 output shaft passes back up pad 5 through holes, pinion wheel 2 is installed to the axle head of direct current generator 1 and fixes with pin key, drive link 6 one ends and base plate 10 are fixing, be sleeved on gear wheel 3 threaded interior holes on the outer screw thread of drive link 6 and be threaded to drive link 6 and 15 ㎜ places, upper end, base plate 10 junctions, surface bearing is installed between gear wheel 3 and the back up pad 5, and be set in outside the drive link 6, with the pagoda-shaped spring housing outside drive link 6 and place between back up pad 5 and the platen 9, as the support member of platen 9 with base plate 10, also fixing on the lower surface of pagoda-shaped spring and the located base plate 10, the upper end of pagoda-shaped spring is bolted the bottom surface that is installed in platen 9, gear wheel 3 on the drive link 6 and pinion wheel 2 engagements that are fixedly mounted on direct current generator 1 output shaft, platen 9 and base plate 10 corresponding one sides are equipped with a displacement transducer 11, and the input end of direct current generator 1 is connected with the output terminal of displacement transducer 11.
The utility model in use, when External Force Acting changes height between platen 9 and the base plate 10, the displacement transducer 11 that is installed on platen 9 bottom surfaces transfers to direct current generator 1 with control signal, control direct current generator 1 just, reverse turn, pinion wheel 2 on direct current generator 1 axle drives gear wheel 3 and rotates, drive link 6 is fixedly connected with base plate 10, the external thread of gear wheel 3 threaded interior holes by drive link 6 also moves up and down along drive link 6 when gear wheel 3 is rotated, gear wheel 3 utilizes surface bearing to reduce friction and promotes back up pad 5 and moves together, back up pad 5 utilizes the contractility of pagoda-shaped spring to drive platen 9 motions, and eliminates the fluctuation that produces when moving.When the direction of motion of the control signal phase place of displacement transducer 11 and platen 9 was opposite, platen 9 was subjected to the motion of External Force Acting will obtain gradually decay, and the height of platen 9 and base plate 10 is kept within limits.
Claims (3)
1. direct current generator arrangement for adjusting height, comprise: direct current generator (1), pinion wheel (2), gear wheel (3), bearing (4), back up pad (5), drive link (6), elastic component (7) and metal fixing (8), it is characterized in that, one side of back up pad (5) is fixed with direct current generator (1), the axle head of direct current generator (1) is equipped with pinion wheel (2), drive link (6) is provided with screw thread, and an end is fixedly installed in base plate (10); The endoporus of gear wheel (3) is provided with screw thread, and be connected with the screw-threaded engagement of drive link (6), gear wheel (3) and pinion wheel (2) engagement, drive link (6) is set with bearing (4) successively, back up pad (5) and elastic component (7), between gear wheel (3) and the back up pad (5) bearing (4) is housed, elastic component (7) one ends are fixed in back up pad (5), the other end is connected with the metal fixing that is fixed in platen (9) (8), platen (9) is equipped with displacement transducer (11), and the output terminal of displacement transducer (11) is connected with the input end of direct current generator (1).
2. ultralow frequency active vibration isolation direct current generator arrangement for adjusting height according to claim 1 is characterized in that described elastic component (7) is pagoda-shaped spring or cylindrical spring.
3. ultralow frequency active vibration isolation direct current generator arrangement for adjusting height according to claim 1 is characterized in that, described metal fixing (8) is bolt or screw or rivet.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220301576 CN202677200U (en) | 2012-06-26 | 2012-06-26 | Height adjusting device for direct-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220301576 CN202677200U (en) | 2012-06-26 | 2012-06-26 | Height adjusting device for direct-current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202677200U true CN202677200U (en) | 2013-01-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220301576 Expired - Fee Related CN202677200U (en) | 2012-06-26 | 2012-06-26 | Height adjusting device for direct-current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202677200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707727A (en) * | 2012-06-26 | 2012-10-03 | 江西连胜实验装备有限公司 | Height adjusting device for direct-current motor |
-
2012
- 2012-06-26 CN CN 201220301576 patent/CN202677200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707727A (en) * | 2012-06-26 | 2012-10-03 | 江西连胜实验装备有限公司 | Height adjusting device for direct-current motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170323 Address after: Three road 330200 Jiangxi city in Nanchang Province Economic Development Zone No. 1015 Jinsha. Patentee after: Jiangxi Liansheng Technology Co.,Ltd. Address before: 334409 Yiyang County, Jiangxi Province, the town of Flower Pavilion Xiang Tong Tong winning Industrial Park Patentee before: Jiangxi Liansheng Experimental Equipment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20180626 |