CN2526593Y - Differential mechanism - Google Patents
Differential mechanism Download PDFInfo
- Publication number
- CN2526593Y CN2526593Y CN01250773U CN01250773U CN2526593Y CN 2526593 Y CN2526593 Y CN 2526593Y CN 01250773 U CN01250773 U CN 01250773U CN 01250773 U CN01250773 U CN 01250773U CN 2526593 Y CN2526593 Y CN 2526593Y
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- China
- Prior art keywords
- stage planet
- input stage
- output stage
- planet carrier
- bearing
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Abstract
The utility model relates to a differential mechanism, belonging to the gear planetary reducer field in mechanical transmission, which is an improvement of Chinese Patent 98211242.4. The internal hole of a planetary wheel (27) (14) is interference fitted with a composite material steel back bearing (32); two sides of the planetary wheel is additionally provided with a composite material abrasion reducing pad (31). As the surfaces of the steel back bearing and the abrasion reducing pad are soft anti-wear materials; once the abrasion occurs, only the abrasion reducing pad and the steel back bearing are abraded, the planetary wheel, a planetary frame and a cover plate are not damaged. When repaired, only the abrasion reducing pad and the steel back bearing are replaced, which is simple and convenient and saves the cost. More important, the service life of the whole machine of the differential mechanism can be greatly prolonged. The differential mechanism of the design can be widely applied to all horizontal spiral material discharge centrifugal machines in order to form the rotation speed difference between a spire and an external rotation drum.
Description
(1) technical field
The utility model belongs to the gear planetary reducer field in the mechanical transmission.It is the improvement of Chinese patent ZL98211242.4 (oil-film floating all carries planetary reducer).
(2) background technique
In Chinese patent 98211242.4, friction pair between input stage planet wheel (27) and the input stage planet axis (26), between output stage planet wheel (14) and the output stage planet axis (13), between the end face of the end face of input stage planet wheel (27) and input stage planet carrier (16), between the end face of the end face of input stage planet wheel (27) and input stage planet carrier lid (17), between the end face of the end face of output stage planet wheel (14) and output stage planet carrier (5), between the end face of output stage planet wheel (14) end face and output stage planet carrier cover plate (6) all are direct formation.In case the oil film between these friction pair is damaged, the end face of the end face of planet wheel endoporus, planet carrier, planet carrier gland will be worn, and gently then needs to repair, and repaiies pretty troublesome and repaiies expense costliness, and is heavy then cause these component to scrap.
(3) summary of the invention
The purpose of this utility model provides a kind of more reasonable structure, the better oil-film floating of maintainalbility all carries planetary reducer.In the hole of each planet wheel, adopt interference fit to be pressed into composite material steel-backed bearing (32), to set up composite material anti-wear gasket (31) in the both sides of each planet wheel.Material therefor all is wear-resisting soft material, in case wear and tear, mainly is that anti-wear gasket and steel-backed bearing are worn, and needs only during reparation to change anti-wear gasket and steel-backed bearing.Repairing like this is easy cost saving again, the more important thing is the working life that can prolong retarder greatly.
The design's differential mechanism comprises that input stage planet carrier and output stage sun gear (16), input stage planet wheel shaft (26), input stage planet wheel (27), composite material steel-backed bearing (32), composite material steel-backed bearing (32) adopt that interference fit is pressed in the hole of input stage planet wheel (27), input stage internal gear (28), input stage sun gear (24), output stage planet carrier (5), output stage planet wheel shaft (13), output stage planet wheel (14), composite material steel-backed bearing (32) adopt interference fit to be pressed in the hole of output stage planet wheel (14).Also have composite material anti-wear gasket (31), it couples together with pin and input stage planet carrier (16), input stage planet wheel shaft (26) output stage planet carrier (5), output stage planet wheel shaft (13), prevents that it from being driven by planet wheel.End cap (3) and (30) are screwed on housing (1), and with O type ring (2) and (29) sealing, input stage sun gear (24) is by bearing (18) and (20) supporting, and with outside framework oil seal (23) sealing, this oil sealing is located with two circlips (22).Input stage planet carrier and output stage sun gear (16) rigid joint together, with four bolts it and cover plate (17) being fixed together constitutes the input stage planet carrier assembly.Input stage planet wheel shaft (26) cooperates with hole on input stage planet carrier (16) and the cover plate (17) with the axle journal at two ends.Input stage planet wheel shaft (26) and steel-backed bearing (27) Spielpassung.Axle (26), anti-wear gasket (31), with planet carrier (16) between connect with blind pin, prevent from spool to rotate relative to planet carrier with anti-wear gasket.The input stage planet carrier assembly is by bearing (15) and bearing (19) supporting.Bearing (15) is spacing with circlip (7) and (18).
With three bolt, constitute the output stage planet carrier assembly between output stage planet carrier (5) and the cover plate (6).Output stage planet wheel shaft (13) matches with the hole on planet carrier (5) and the cover plate (6) with the axle journal at two ends, output stage planet wheel shaft (13) and steel-backed bearing (32) Spielpassung.Connects with blind pin between axle (13) anti-wear gasket (31) and the frame (5), prevent from spool to rotate relative to frame (5) with filling up.The spindle nose of output stage planet carrier (5) seals with O type ring (9).Input stage ring gear (28) and output stage ring gear (4) are screwed on housing (1).Be installed in respectively on (16), (24), (30) in order to spacer (8), (21), (25) of adjusting axial dimension.
Annotate with an amount of lubricant oil by the oilhole on the housing during work, oilhole is sealed with plug cock.The power of input is made up of two-part, and a power drives planet wheel (27) through sun gear (24), and the latter and ring gear (28) engagement is because of ring gear maintains static, so drive input stage planet carrier and output stage sun gear (16) rotation.This sun gear drives output stage planet wheel (14), and the latter and ring gear (4) engagement because ring gear is fixed, is rotated so drive output stage planet carrier (5).By the outputting power that links to each other with load of the splined hole on this planet carrier.Another power is from output end cap (3), and with the outer drum rigid joint of this end cap and main frame and rotation thereupon, the main frame outer drum is by independent power-actuated during work.Because input stage sun gear (24) is with different rotating speed rotations with shell (1), thereby forms speed discrepancy.Littler speed discrepancy between the velocity ratio of this speed discrepancy through setting, the splined shaft that causes output stage planet carrier (5) and shell (1), planet carrier (5) links by the interior rotary drum of splined hole and main frame, thereby makes the formation speed discrepancy that requires between the interior outer drum of main frame.
The design's differential mechanism is mainly used in the various horizontal centrifuges, is used for forming the speed discrepancy between the outer drum in the horizontal centrifuge.
(4) description of drawings
Fig. 1 is the structural representation of the design's differential mechanism, also is Figure of abstract, among the figure:
1, housing 16, input stage planet carrier and output stage sun gear
2, O type ring 17, input stage planet carrier cover plate
3, end cap 18, bearing
4, output stage internal gear 19, bearing
5, output stage planet carrier 20, bearing
6, output stage planet carrier cover plate 21, spacer
7, elastic scheibe 22, elastic scheibe (2)
8, spacer 23, outside framework oil seal
9, O type ring 24, input stage sun gear
10, bearing 25, spacer
11, bearing 26, input stage planet wheel shaft (2)
12, elastic scheibe 27, input stage planet wheel (2)
13, output stage planet wheel shaft (3) 28, input stage internal gear
14, output stage planet wheel (3) 29, O type ring
15, bearing 30, end cap
31, composite material anti-wear gasket
32, composite material steel-backed bearing
(5) embodiment
A concrete parameter of embodiment of the design's differential mechanism is as follows:
Input stage sun gear modulus m=1.5 number of teeth z=11
Input stage planet wheel modulus m=1.5 number of teeth z=56 (two)
Input stage internal gear modulus m=1.5 number of teeth z=123
Output stage sun gear modulus m=2 number of teeth z=15
Output stage planet wheel modulus m=2 number of teeth z=39
Output stage internal gear modulus m=2 number of teeth z=93
Input stage planet wheel shaft (26) is 0.10-0.14mm with steel-backed bearing (32) radial clearance.
Output stage planet wheel shaft (13) is 0.34-0.42mm with steel-backed bearing (32) radial clearance.
Axial clearance between the end face of input stage planet wheel (27) and planet carrier (16) and the cover plate (17) is 0.20-0.40mm (both sides sum).
Axial clearance between the end face of output stage planet wheel (14) and output stage planet carrier (5) and the cover plate (6) is 0.20-0.40mm (both sides sum).
Claims (2)
1, a kind of differential mechanism, comprise input stage planet carrier and output sun gear (16), input stage planet wheel shaft (26) input stage planet wheel (27), input stage internal gear (28), input stage sun gear (24), output stage planet carrier (5), output stage planet axis (13), output stage planet wheel (14) composite material anti-wear gasket (31) and composite material steel-backed bearing (32) etc., it is characterized in that end cap (3) and (30) are screwed on housing (1), seal with O type ring (2) and (29), and oil sealing (23) is located with elastic scheibe (22); Input stage planet carrier and output stage sun gear (16) rigid joint together, (16) and its cover plate (17) constitute the input stage planet carrier assembly with four bolt together; Input stage planet wheel (26) cooperates with hole on input stage planet carrier (16) and the cover plate (17) with the axle journal at two ends, composite material steel-backed bearing (32) is pressed into interference fit in the hole of each planet wheel, the endoporus of steel-backed bearing (32) and input stage planet axis (26) Spielpassung; Prevent that with blind pin them from rotating relative to planet carrier (16) between axle (26), composite material anti-wear gasket (31) and the planet carrier (16); The input stage planet carrier assembly is by bearing (15) and bearing (19) supporting, and bearing (15) is located with elastic scheibe (7) and (12); With three bolt, constitute the output stage planet carrier assembly between output stage planet carrier (5) and the gland (6); Output stage planet axis (13) cooperates with hole on planet carrier (5) and the cover plate (6) with the axle journal at two ends, prevent that with blind pin them from rotating relative to planet carrier (5) between output stage planet axis (13) and steel-backed bearing (32) Spielpassung, axle (13), anti-wear gasket (31) and frame (5); The output stage planet carrier assembly supports with bearing (10) and bearing (11), and the spindle nose of output stage planet carrier (5) seals with O type ring (9); Input stage ring gear (28) and output stage ring gear (4) are screwed on housing (1); Be installed in respectively on (16), (24) and (30) in order to spacer (8), (21) (25) of adjusting axial dimension.
2,, it is characterized in that its one group concrete parameter is as follows according to the differential mechanism of claim 1:
Input stage sun gear modulus m=1.5 number of teeth z=11
Input stage planet wheel modulus m=1.5 number of teeth z=56
Input stage internal gear modulus m=1.5 number of teeth z=123
Output stage sun gear modulus m=2 number of teeth z=15
Output stage planet wheel modulus m=2 number of teeth z=39
Output stage internal gear modulus m=2 number of teeth z=93
Radial clearance between input stage planet axis (26) and the steel-backed bearing (32) is 0.10-0.14mm;
Radial clearance between output stage planet axis (13) and the steel-backed bearing (32) is 0.34-0.42mm;
Both sides axial clearance sum is 0.20-0.40mm between input stage planet wheel (27) and the anti-wear gasket (31);
Both sides axial clearance sum is 0.20-0.40mm between output stage planet wheel (14) and the anti-wear gasket (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01250773U CN2526593Y (en) | 2001-09-19 | 2001-09-19 | Differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01250773U CN2526593Y (en) | 2001-09-19 | 2001-09-19 | Differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2526593Y true CN2526593Y (en) | 2002-12-18 |
Family
ID=33660853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01250773U Expired - Fee Related CN2526593Y (en) | 2001-09-19 | 2001-09-19 | Differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2526593Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042369A (en) * | 2010-12-28 | 2011-05-04 | 上海合纵重工机械有限公司 | Improved planetary reducer |
| CN101706034B (en) * | 2009-10-12 | 2012-07-25 | 江苏牡丹离心机制造有限公司 | Cycloidal pinwheel differential protecting device in screw discharging centrifuge |
| CN102886314A (en) * | 2012-09-17 | 2013-01-23 | 上海市离心机械研究所有限公司 | Planet differential structure used for horizontal screw decanter centrifuge |
| CN103140703A (en) * | 2010-09-22 | 2013-06-05 | 丰田自动车株式会社 | Shaft device |
-
2001
- 2001-09-19 CN CN01250773U patent/CN2526593Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706034B (en) * | 2009-10-12 | 2012-07-25 | 江苏牡丹离心机制造有限公司 | Cycloidal pinwheel differential protecting device in screw discharging centrifuge |
| CN103140703A (en) * | 2010-09-22 | 2013-06-05 | 丰田自动车株式会社 | Shaft device |
| CN103140703B (en) * | 2010-09-22 | 2015-11-25 | 丰田自动车株式会社 | Shaft device |
| CN102042369A (en) * | 2010-12-28 | 2011-05-04 | 上海合纵重工机械有限公司 | Improved planetary reducer |
| CN102042369B (en) * | 2010-12-28 | 2013-07-31 | 上海合纵重工机械有限公司 | Improved planetary reducer |
| CN102886314A (en) * | 2012-09-17 | 2013-01-23 | 上海市离心机械研究所有限公司 | Planet differential structure used for horizontal screw decanter centrifuge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |