CN102518782B - Transmission mechanism for supporting high-speed rotation shaft by rolling bearing and application of the transmission mechanism - Google Patents
Transmission mechanism for supporting high-speed rotation shaft by rolling bearing and application of the transmission mechanism Download PDFInfo
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- CN102518782B CN102518782B CN201110422985.3A CN201110422985A CN102518782B CN 102518782 B CN102518782 B CN 102518782B CN 201110422985 A CN201110422985 A CN 201110422985A CN 102518782 B CN102518782 B CN 102518782B
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- rolling bearing
- gear
- shaft
- output shaft
- transmission
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Abstract
The invention relates to a mechanical transmission mechanism, in particular to a high-speed transmission mechanism by using a rolling bearing supporting a rotation shaft, which comprises a support seat and a high-speed rotation shaft mounted on the support seat. At least one transmission sleeve is mounted between the high-speed rotation shaft and the support seat, the transmission sleeves are connected with the high-speed rotation shaft through rolling bearing supports, the transmission sleeves are connected with one another through rolling bearing supports, the transmission sleeves are connected with the support seat through rolling bearing supports, a transmission structure is designed on each transmission sleeve, and the transmission structures are staggered to ensure power input. The mechanism can also equipped with a shell and a gear transmission mechanism to form a more complete transmission mechanism. The transmission mechanism for supporting the high-speed rotation shaft by the rolling bearing solves the problem that a common rolling bearing cannot bear a high-speed rotation shaft. Besides, the transmission mechanism for supporting the high-speed rotation shaft by the rolling bearing is ingenious in design and simple in structure, can meet working requirements by the aid of a common lubricating system, and can be widely used for high-speed transmission devices in mechanical equipment.
Description
Technical field
The present invention relates to mechanical engineering field, especially a kind of high speed driving unit background technique that adopts rolling bearing supporting shaft:
Follow scientific and technical develop rapidly, at mechanical field, the high speed drive that is greater than 50000 revs/min of rotations is more and more generally applied.In the prior art, shaft support in High Rotation Speed driving mechanism, generally needs to adopt a watt formula high speed shaft to make supporting, during this high-speed bearing work, need to inject extreme pressure lubricant, rotating shaft is suspended in high-speed bearing and rotates, therefore general high speed rotating shaft device need to configure high pressure oiling device.And common rolling bearing gets final product work as long as inject normal pressure lubricant oil, but under certain load, its maximum speed has certain limitation, and if GB276-64 bearing maximum speed is 40000 revs/min, therefore common rolling bearing can not be for supporting high speed rotating shaft.
Summary of the invention
Object of the present invention is exactly will solve existing common rolling bearing can not, for the problem of high speed rotating shaft supporting, provide a kind of high speed driving unit that adopts rolling bearing supporting shaft.
Design philosophy of the present invention is: in the outer ring of shaft support rolling bearing, install one with the equidirectional rotation of rotating shaft the lower drive sleeve of rotating speed, drive sleeve refills rolling bearing and is connected with supporting base, make the difference of the Internal and external cycle rotating speed of rolling bearing be less than the limit speed of rolling bearing, can guarantee that rolling bearing normally works.When the difference of the Internal and external cycle rotating speed of the rolling bearing of one-level drive sleeve outside is still greater than limit speed, can adopt two-stage or Multi-stage transmission cover gradually the rotating speed of the rolling bearing of every grade to be dropped to below limit speed, in one-level drive sleeve outside, add again between secondary transmission cover, three grades or Multi-stage transmission cover and adopt rolling bearing supporting to connect, by that analogy, adopt as required and multistagely the difference of the Internal and external cycle rotating speed of rolling bearings at different levels can be less than to the limit speed of self.
Concrete scheme of the present invention is:
A kind of high speed driving unit that adopts rolling bearing supporting shaft, there is housing, front end at housing adopts bearing support and rolling bearing that main shaft is installed, drive wheel is equipped with in the outer end of main shaft, the inner of main shaft is designed with gear, it is characterized in that: rear end and main shaft at housing are coaxially installed with an output shaft, on output shaft, be designed with driving gear, at least one-level geared sleeve is housed between output shaft and housing, between geared sleeve and output shaft, between geared sleeve and geared sleeve, between geared sleeve and housing, all adopt rolling bearing supporting to be connected, the tail end of output shaft is connected with aforementioned axis bearing by a duplex geared sleeve, between same duplex-gear wheel case and output shaft, between duplex-gear wheel case and bearing support, all adopt rolling bearing supporting to be connected, and in housing across a transmission shaft is installed, the leading portion of transmission shaft is equipped with duplicate gear, duplicate gear simultaneously with main shaft on gear and one of the gear in duplex-gear wheel case be in transmission connection, the stage casing of transmission shaft is set with triple gear, triple gear simultaneously with duplex-gear wheel case in gear two, driving gear, one-level geared sleeve on output shaft cog and be in transmission connection, secondary and above geared sleeve that the back segment of transmission shaft is fixedly equipped with between gear and output shaft and housing are in transmission connection.
In the present invention, at the two ends of mainshaft gear, rolling bearing being respectively housed is connected with bearing support.To guarantee main shaft working stability.
Above-mentioned a kind of high speed driving unit that adopts rolling bearing supporting shaft, is characterized in that: between output shaft tail end and one-level geared sleeve and output shaft, add respectively thrust-bearing.Needs while having end thrust transmission to meet.
Above-mentioned a kind of high speed driving unit that adopts rolling bearing supporting shaft, is characterized in that: the sense of rotation of all geared sleeves and duplex-gear wheel case be designed to output shaft in the same way; The rotating speed of geared sleeve and duplex-gear wheel case is less than the rotating speed of output shaft, and the rotating speed of one-level driving cog wheel case is less than the rotating speed of previous stage driving cog wheel case after between geared sleeve, and meets adjacent both speed discrepancies and be less than the rev limit value that rolling bearing is installed between the two.
Above-mentioned a kind of high speed driving unit that adopts rolling bearing supporting shaft, is characterized in that: between triple gear and transmission shaft, add rolling bearing.So that triple gear transmission is flexibly stable.
The present invention designs ingenious, rational in infrastructure, adopts common rolling bearing can realize high speed rotating shaft supporting transmission, and apparatus of the present invention, without configuration high pressure oil pump system, are reduced investment outlay, easy to install.
Accompanying drawing explanation
Fig. 1 is the main sectional view of a kind of rolling bearing supporting high speed rotating shaft driving mechanism;
Fig. 2 is the main sectional views of apparatus of the present invention.
In figure, 1-high speed rotating shaft, 2, 3, 4-rolling bearing, 5-supporting base, 6-secondary transmission cover, 7-one-level drive sleeve, 8-thrust-bearing, 9, 10-gear, 11-rolling bearing, 12-thrust-bearing, 13-duplex-gear wheel case, 14-driving gear, 15-one-level geared sleeve, 16-secondary gear cover, 17-housing, 18, 19, 20-rolling bearing, 21-output shaft, 22-bearing cap, 23-thrust-bearing, 24-transmission shaft, 25-gear, 26-triple gear, 27-rolling bearing, 28-duplicate gear, 29-main shaft, 30-belt pulley, 31-bearing support, 32-rolling bearing, 33-transition gear.
Embodiment
Referring to Fig. 2, this is a kind of high speed driving unit that adopts rolling bearing supporting shaft, it has housing 17, front end at housing adopts bearing support 31 and rolling bearing 32 and 11 that main shaft 29 is installed, belt pulley 30 is equipped with in the outer end of main shaft 29, the inner of main shaft is designed with gear 10, rear end and main shaft at housing are coaxially installed with an output shaft 21, on output shaft, be designed with driving gear 14, one-level geared sleeve 15 and secondary gear cover 16 are housed between output shaft and housing, between one-level geared sleeve 15 and output shaft 21, between one-level geared sleeve 15 and secondary gear cover 16, between secondary gear cover 16 and housing 17, adopt respectively rolling bearing 20, 19, 18 supportings connect (being furnished with bearing cap 22 outward), the tail end of output shaft is connected with aforementioned axis bearing 31 by a duplex geared sleeve 13, between same duplex-gear wheel case 13 and output shaft 21, between duplex-gear wheel case 13 and bearing support 31, adopt 11 supportings of three rolling bearings to be connected, and in housing 17 across a transmission shaft 24 is installed, the leading portion of transmission shaft is equipped with duplicate gear 28, simultaneously with main shaft 29 on gear 10 and one of the gear in duplex-gear wheel case 13 be in transmission connection, the stage casing of transmission shaft 24 is set with triple gear 26 by bearing 27, simultaneously with duplex-gear wheel case 13 in gear two, driving gear 14, one-level driving cog wheel case 15 on output shaft cog and be in transmission connection, the secondary gear cover 16 that the back segment of transmission shaft 29 is fixedly equipped with between gear 25 and output shaft and housing is in transmission connection.
In the present embodiment, between output shaft tail end and one-level driving cog wheel case and output shaft, add respectively thrust-bearing 23 and 12.
In the present embodiment, the sense of rotation of firsts and seconds geared sleeve 15,16 and duplex-gear wheel case 13 be designed to output shaft 21 in the same way; The rotating speed of I and II geared sleeve 15,16 and duplex-gear wheel case 13 is less than the rotating speed of output shaft 21, and the rotating speed of secondary gear cover 16 is less than the rotating speed of one-level geared sleeve 15, and meets adjacent both speed discrepancies and be less than the rev limit value that rolling bearing is installed between the two.
Claims (5)
1. a high speed driving unit that adopts rolling bearing supporting shaft, there is housing, front end at housing adopts bearing support and rolling bearing that main shaft is installed, drive wheel is equipped with in the outer end of main shaft, the inner of main shaft is designed with gear, it is characterized in that: rear end and main shaft at housing are coaxially installed with an output shaft, on output shaft, be designed with driving gear, at least one-level geared sleeve is housed between output shaft and housing, between geared sleeve and output shaft, between geared sleeve and geared sleeve, between geared sleeve and housing, all adopt rolling bearing supporting to be connected, the tail end of output shaft is connected with aforementioned axis bearing by a duplex geared sleeve, between same duplex-gear wheel case and output shaft, between duplex-gear wheel case and bearing support, all adopt rolling bearing supporting to be connected, and in housing across a transmission shaft is installed, the leading portion of transmission shaft is equipped with duplicate gear, duplicate gear simultaneously with main shaft on gear and one of the gear in duplex-gear wheel case be in transmission connection, the stage casing of transmission shaft is set with triple gear, triple gear simultaneously with duplex-gear wheel case in gear two, driving gear, one-level geared sleeve on output shaft cog and be in transmission connection, the back segment of transmission shaft is fixedly equipped with secondary between gear and output shaft and housing and above geared sleeve is in transmission connection.
2. a kind of high speed driving unit that adopts rolling bearing supporting shaft according to claim 1, is characterized in that: the two ends that are positioned at mainshaft gear on main shaft are respectively equipped with rolling bearing and are connected with bearing support.
3. a kind of high speed driving unit that adopts rolling bearing supporting shaft according to claim 1, is characterized in that: between output shaft tail end and one-level geared sleeve and output shaft, add respectively thrust-bearing.
4. a kind of high speed driving unit that adopts rolling bearing supporting shaft according to claim 1, is characterized in that: the sense of rotation of all geared sleeves and duplex-gear wheel case be designed to output shaft in the same way; The rotating speed of geared sleeve and duplex-gear wheel case is less than the rotating speed of output shaft, and after between geared sleeve, the rotating speed of one-level geared sleeve is less than the rotating speed of previous stage geared sleeve, and meets adjacent both speed discrepancies and be less than the rev limit value that rolling bearing is installed between the two.
5. a kind of high speed driving unit that adopts rolling bearing supporting shaft according to claim 1, is characterized in that: between triple gear and transmission shaft, add rolling bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422985.3A CN102518782B (en) | 2011-12-16 | 2011-12-16 | Transmission mechanism for supporting high-speed rotation shaft by rolling bearing and application of the transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422985.3A CN102518782B (en) | 2011-12-16 | 2011-12-16 | Transmission mechanism for supporting high-speed rotation shaft by rolling bearing and application of the transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102518782A CN102518782A (en) | 2012-06-27 |
| CN102518782B true CN102518782B (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422985.3A Expired - Fee Related CN102518782B (en) | 2011-12-16 | 2011-12-16 | Transmission mechanism for supporting high-speed rotation shaft by rolling bearing and application of the transmission mechanism |
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| CN (1) | CN102518782B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102518781B (en) * | 2011-12-16 | 2014-03-12 | 许传斌 | Gear turbine supercharger |
| TWI495812B (en) * | 2012-12-28 | 2015-08-11 | High sensitivity vacuum power introduction device and vacuum process equipment | |
| CN104121336A (en) * | 2013-04-23 | 2014-10-29 | 刘绍全 | Three-star-wheel planetary speed reducer |
| CN103775616A (en) * | 2014-01-10 | 2014-05-07 | 山西天脊山电动车船有限公司 | Dual-functional gear transmission device of electric forklift |
| CN107420451B (en) * | 2017-10-06 | 2018-12-14 | 东莞市松研智达工业设计有限公司 | A kind of double drive clutch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696488U (en) * | 2010-01-21 | 2011-01-05 | 罗星健 | Decelerating bearing |
| CN202431898U (en) * | 2011-12-16 | 2012-09-12 | 许传斌 | High-speed rotating shaft transmission mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8356586B2 (en) * | 2008-01-30 | 2013-01-22 | Accessible Technologies, Inc. | Method and apparatus for controlling a compound bearing assembly of a centrifugal compressor |
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- 2011-12-16 CN CN201110422985.3A patent/CN102518782B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201696488U (en) * | 2010-01-21 | 2011-01-05 | 罗星健 | Decelerating bearing |
| CN202431898U (en) * | 2011-12-16 | 2012-09-12 | 许传斌 | High-speed rotating shaft transmission mechanism |
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| Publication number | Publication date |
|---|---|
| CN102518782A (en) | 2012-06-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20171216 |