CN110206853B - Combined transmission changing mechanism - Google Patents
Combined transmission changing mechanism Download PDFInfo
- Publication number
- CN110206853B CN110206853B CN201910457601.8A CN201910457601A CN110206853B CN 110206853 B CN110206853 B CN 110206853B CN 201910457601 A CN201910457601 A CN 201910457601A CN 110206853 B CN110206853 B CN 110206853B
- Authority
- CN
- China
- Prior art keywords
- shaft
- gear
- section
- combined
- spline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/206—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members characterised by the driving or driven member being composed of two or more gear wheels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Gears, Cams (AREA)
Abstract
The invention relates to a combined transmission conversion mechanism. The invention comprises an epicyclic gear crankshaft, wherein the epicyclic gear crankshaft is provided with a shaft hole matched with an outer ring of an angular contact ball bearing, the angular contact ball bearing is matched with an A section of a first shaft, a hypocycloid gear ring is arranged on the left end face of a first combined gear, the epicyclic gear is meshed with the hypocycloid gear ring, a first shaft 1 is linked with a second shaft through the angular contact ball bearing, a C section on the first shaft is matched with a spline sleeve, a A section of the second shaft is provided with a spline groove matched with a second combined gear, and the second combined gear is combined with the first combined gear through sliding on the spline groove and the spline sleeve of the second shaft, so that the cutting off and the combination of the first shaft and the second shaft are realized; the section A of the intermediate shaft is provided with a spline groove and a check ring groove, the section B of the intermediate shaft is provided with a spline groove matched with the cylindrical gear II, the engagement state of the combined gear and the cylindrical gear, the combination state between the combined gears and the power input direction are changed, and the transmission conversion from one-stage to three-stage or from three-stage to one-stage speed reduction or speed increase is realized.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a combined transmission conversion mechanism which is suitable for occasions of cutting off and combining, decelerating and accelerating power of three shafts on a straight line.
Background
With the rapid development of the economy in China, the industries of automobiles, petroleum, motorcycles, aerospace and the like have deeper changes, and mechanical transmission, assembly lines, food packaging and the like all need combined transmission and conversion mechanisms, so that the existing combined transmission and conversion mechanisms are bulky and complex in structure, and can only realize unidirectional flow of power and cannot realize bidirectional flow of power; and the existing combined transmission conversion mechanism can not realize power cutting and combination, speed reduction or speed increase of three shafts on a straight line.
Disclosure of Invention
In view of the above, the present invention provides a combined transmission conversion mechanism, which not only can realize bidirectional split of power, but also can change the combination state between the combined gears and the engagement state between the combined gears and the cylindrical gears according to the needs, so as to realize one-stage and three-stage speed reduction and speed increase.
In order to solve the problems existing in the prior art, the technical scheme of the invention is as follows: the utility model provides a combination transmission conversion mechanism which characterized in that: the device comprises an externally-swinging gear crankshaft, a first combined gear, a first shaft, a second shaft, a spline sleeve, a second combined gear, an intermediate shaft, a first cylindrical gear, a second cylindrical gear and a cylindrical sleeve;
the crank big end of the epicyclic gear crankshaft is provided with a shaft hole I, the shaft hole I is matched with the section A of the shaft I, the crank small end of the epicyclic gear crankshaft is provided with an epicyclic gear, the epicyclic gear is meshed with a hypocycloid gear ring on the left end face of the combined gear I, the section B of the shaft I is provided with a key slot, the combined gear I is fixedly connected with the section B of the shaft I through a key, the center of the left end face of the shaft II is provided with a shaft hole II, the left end shaft of the shaft II is provided with a spline section A which is the same as the spline section of the spline sleeve, the section D of the shaft I is matched and connected with the shaft hole II, the combined gear II is arranged on the spline section of the shaft II through a key, the section C of the shaft I is provided with a spline sleeve, and the left end of the spline sleeve is used for positioning the combined gear I on the section B of the shaft I, and the right end of the spline sleeve is in butt joint with the spline section A of the shaft II so as to be used for dialing the combined gear II to be combined with the combined gear I; the left end face of the second combined gear is provided with a small cylinder matched with the tooth root excessive curve section of the cylindrical surface of the first combined gear, power is transmitted from the first shaft to the second shaft through the matching of the small cylinder and the tooth root excessive curve section, the circumference of the spline section A of the second shaft is provided with a check ring groove I matched with a check ring, the second combined gear is positioned through the check ring, and the first shaft and the second shaft are connected on a straight line and simultaneously power between the first shaft and the second shaft can be cut off and combined;
the A section of the intermediate shaft is provided with a spline groove matched with a first shaft hole of the cylindrical gear and a second check ring groove matched with a check ring, the second check ring positions the first cylindrical gear on the A section of the intermediate shaft, the B section of the intermediate shaft is provided with a spline groove for positioning the second circumferential direction of the cylindrical gear, and the C section of the intermediate shaft is provided with a cylindrical sleeve for positioning the second cylindrical gear on the B section of the intermediate shaft.
An angular contact bearing is arranged between the first shaft hole and the section A of the first shaft, the outer ring of the angular contact bearing is matched with the shaft hole, and the inner ring is matched with the section A of the first shaft.
An angular contact bearing is arranged between the section D of the first shaft and the shaft hole II of the second shaft, the outer ring of the angular contact bearing is matched with the shaft hole in the section A of the second shaft, and the inner ring is matched with the first shaft.
Compared with the prior art, the invention has the following advantages:
the invention can realize the bidirectional power flow and the increase and decrease of the first-stage and third-stage speed;
the invention can realize the cutting-off and combination, the speed reduction and the speed increase of the power of three shafts on a straight line;
the invention has simple structure, easy maintenance and low cost.
Drawings
FIG. 1 is a schematic diagram of a combined drive conversion mechanism (three-stage acceleration and deceleration) in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a combined transmission shifting mechanism (primary acceleration and deceleration) according to an embodiment of the present invention;
FIG. 3 is an isometric view of an epicyclic gear crankshaft;
FIG. 4 is an isometric view of a composite gear I;
FIG. 5 is an isometric view of a combination gear II;
FIG. 6 is an isometric view of shaft one;
FIG. 7 is an isometric view of a second shaft;
FIG. 8 is an isometric view of a spline sleeve;
FIG. 9 is a partial cross-sectional view of an epicyclic gear crankshaft, shaft one and shaft two connected;
FIG. 10 is a cross-sectional view A-A of FIG. 9;
FIG. 11 is a sectional view B-B of FIG. 9;
FIG. 12 is an isometric view of an intermediate shaft;
FIG. 13 is an isometric view of a first spur gear;
FIG. 14 is an isometric view of a retainer ring;
marking: the novel gear comprises a 1-epicyclic gear crankshaft, a 2-combined gear I, a 3-shaft I, a 4-shaft II, a 5-angular contact ball bearing, a 6-spline sleeve, a 7-combined gear II, an 8-retainer ring, a 9-intermediate shaft, a 10-cylindrical gear I, a 11-cylindrical gear II, a 12-cylindrical sleeve, a 13-shaft hole I, a 14-epicyclic gear, a 15-hypocycloidal gear ring, a 16-shaft hole II, a 17-retainer ring groove I, a 18-spline groove, a 19-small cylinder and a 20-retainer ring groove II.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The present embodiment provides a combined transmission conversion mechanism (see fig. 1 and 2), which includes an epicyclic gear crankshaft 1, a combined gear 1, a shaft 13, a shaft two 4, an angular contact bearing 5, a spline sleeve 6, a combined gear two 7, an intermediate shaft 9, a cylindrical gear one 10, a cylindrical gear two 11, a cylindrical sleeve 12, an epicyclic gear 14 and a hypocycloidal gear ring 15;
the above-mentioned epicyclic gear crankshaft 1, the combination gear 2 engaged with the epicyclic gear, the shaft one 3, and the shaft two 4 are in line (see fig. 9 to 11).
The crank big end of the external cycloid gear crankshaft 1 is provided with a first shaft hole 13 matched with the outer ring of the angular contact ball bearing 5, the inner ring of the angular contact ball bearing 5 is matched with the section A of the first shaft 3, the small end of the crank of the external cycloid gear crankshaft 1 is provided with an external cycloid gear 14 (see figure 3), the external cycloid gear 14 is meshed with a hypocycloid gear 15 on the left end face of the first combined gear 2, the section B of the first shaft 3 is provided with a key slot, the shaft hole of the first combined gear 2 is provided with rectangular spline teeth, the first combined gear 2 is fixedly connected to the section B of the first shaft 3 through keys, the center of the left end face of the second shaft 4 is provided with a section A of the second shaft hole 16, the left end shaft of the second shaft 4 is provided with a spline section A identical with the spline section of the spline sleeve 6, the section D of the first shaft 3 is provided with the angular contact bearing 5 between the section B of the second shaft hole 16 of the second shaft 4, the inner ring of the angular contact ball bearing 5 is matched with the shaft hole 16 in the section A of the second shaft 4, the first shaft 3 is matched with the second shaft hole 3, the second combined gear 7 is arranged on the section B of the second combined gear 2 through keys, the second combined gear 7 is arranged on the section B of the second combined gear 2 is used for positioning the spline section B of the first shaft 4 and the spline section B is combined with the spline section B of the second spline section 6, and the spline section B is combined with the spline section B of the spline section B4 is provided with the spline section B of the spline section B3; the left end face of the combined gear II 7 is provided with a small cylinder 19 matched with the root transition curve section of the cylindrical surface of the combined gear II 2, the shaft hole of the combined gear II 7 is provided with rectangular spline teeth, the small cylinders 19 are uniformly arranged on the left end face of the gear II 7, 4 small cylinders are arranged, power is transmitted from the shaft I3 to the shaft II 4 by utilizing the matching of the small cylinders 19 and the root transition curve section, the circumference of the spline section A of the shaft II 4 is provided with a check ring groove I17 matched with a check ring 8, the combined gear II 7 is positioned through the check ring 8, and the power between the shaft I3 and the shaft II 4 can be cut off and combined while the shafts I3 and 4 are connected on a straight line (see fig. 4-8);
the angular ball bearing 5 is provided with two parts, one part is matched with the section A of the shaft I, and the other part is matched with the section C of the shaft I.
The section a of the intermediate shaft 9 is provided with a spline groove 18 matched with the shaft hole of the first cylindrical gear 10 and a second retaining ring groove 20 matched with the retaining ring 8, the retaining ring 8 positions the first cylindrical gear 10 on the section a of the intermediate shaft 9, the section B of the intermediate shaft 9 is provided with a spline groove for positioning the second cylindrical gear 12 circumferentially, and the section C of the intermediate shaft 9 is provided with a cylindrical sleeve 12 for positioning the second cylindrical gear 11 on the section B of the intermediate shaft 9 (see fig. 9-14).
The working process of the invention (see fig. 1 and 2):
power is input from the epicyclic gear crankshaft 1, and output from the shaft two 4: when the first combined gear 2 and the second combined gear 7 are combined (the tooth root excessive curve section of the cylindrical surface of the first combined gear 2 is matched with the small cylinder), first-stage speed reduction is realized; when the first cylindrical gear 10 is meshed with the first combined gear 2, and the second cylindrical gear 11 is meshed with the second combined gear 7, three-stage speed reduction is realized.
Power is input from the shaft two 4, and the epicyclic gear crankshaft 1 outputs: when the first combined gear 2 and the second combined gear 7 are combined (the tooth root transition curve section of the cylindrical surface of the first combined gear 2 is matched with the small cylinder), the first speed increasing is realized; when the first cylindrical gear 10 is meshed with the first combined gear 2, and the second cylindrical gear 11 is meshed with the second combined gear 7, three-level speed increasing is realized.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.
Claims (3)
1. The combined transmission conversion mechanism is characterized in that: the gear comprises an externally-swinging gear crankshaft (1), a first combined gear (2), a first shaft (3), a second shaft (4), a spline sleeve (6), a second combined gear (7), an intermediate shaft (9), a first cylindrical gear (10), a second cylindrical gear (11) and a cylindrical sleeve (12);
the crank big end of the external cycloid gear crankshaft (1) is provided with a first shaft hole (13), the first shaft hole (13) is matched with an A section of the first shaft (3), the crank small end of the external cycloid gear crankshaft (1) is provided with an external cycloid gear (14), the external cycloid gear (14) is meshed with a hypocycloid gear ring (15) on the left end face of the first combined gear (2), the B section of the first shaft (3) is provided with a key groove, the first combined gear (2) is fixedly connected to the B section of the first shaft (3) through a key, the center of the left end face of the second shaft (4) is provided with a second shaft hole (16), the left end shaft of the second shaft (4) is provided with a spline section A section which is identical to the spline section of the spline sleeve (6), the D section of the first shaft (3) is matched and connected with the second spline section (16) of the second shaft (4), the second combined gear (7) is arranged on the B section of the first shaft (3), the C section (3) is provided with a spline section (6) of the spline sleeve (6), and the spline section (6) is combined with the spline section (2) of the first shaft (4) to the spline section (2); a small cylinder (19) matched with the root transition curve section of the cylindrical surface of the first combined gear (2) is arranged on the left end surface of the second combined gear (7), power is transmitted from the first shaft (3) to the second shaft (4) through the matching of the small cylinder (19) and the root transition curve section, a first check ring groove (17) matched with a check ring (8) is arranged on the circumference of the spline section A of the second shaft (4), the second combined gear (7) is positioned through the check ring (8), and the first shaft (3) and the second shaft (4) are connected on a straight line, and meanwhile, the transmission conversion of first-level and third-level speed reduction and speed increase can be realized through cutting off and combining; when the first cylindrical gear (10) is meshed with the first combined gear (2) and the second cylindrical gear (11) is meshed with the second combined gear (7), three-stage deceleration or three-stage acceleration is realized;
the A section of the intermediate shaft (9) is provided with a spline groove (18) matched with the shaft hole of the first cylindrical gear (10) and a check ring groove II (20) matched with the check ring (8), the check ring II (21) is used for positioning the first cylindrical gear (10) on the A section of the intermediate shaft (9), the B section of the intermediate shaft (9) is provided with a spline groove for positioning the second cylindrical gear (11) circumferentially, and the C section of the intermediate shaft (9) is provided with a cylindrical sleeve (12) for positioning the second cylindrical gear (11) on the B section of the intermediate shaft (9).
2. The compound transmission shifting mechanism of claim 1, wherein: an angular contact ball bearing (5) is arranged between the first shaft hole (13) and the section A of the first shaft (3), the outer ring of the angular contact ball bearing (5) is matched with the first shaft hole (13), and the inner ring is matched with the section A of the first shaft (3).
3. The compound transmission shifting mechanism according to claim 1 or 2, characterized in that: an angular contact ball bearing (5) is arranged between the section D of the first shaft (3) and the shaft hole II (16) of the second shaft (4), the outer ring of the angular contact ball bearing (5) is matched with the shaft hole II (16) in the section A of the second shaft (4), and the inner ring is matched with the first shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457601.8A CN110206853B (en) | 2019-05-29 | 2019-05-29 | Combined transmission changing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910457601.8A CN110206853B (en) | 2019-05-29 | 2019-05-29 | Combined transmission changing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110206853A CN110206853A (en) | 2019-09-06 |
| CN110206853B true CN110206853B (en) | 2023-08-25 |
Family
ID=67789370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910457601.8A Active CN110206853B (en) | 2019-05-29 | 2019-05-29 | Combined transmission changing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110206853B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08189550A (en) * | 1995-01-06 | 1996-07-23 | Suzuki Motor Corp | Manual transmission |
| DE102004016301A1 (en) * | 2004-04-02 | 2005-10-20 | Peter Miling | Two-gear eccentric ring planetary gear mechanism for cycle has coupling operable under uninterrupted force flow for improving cycle gear changes |
| DE102006023552A1 (en) * | 2006-05-19 | 2007-11-22 | Zf Friedrichshafen Ag | Method for determining the speed of the main shaft of a transmission and transmission with a Drehzahlabgriffseinrichtung |
| CN101432547A (en) * | 2006-04-28 | 2009-05-13 | 纳博特斯克株式会社 | Reduction gear mechanism, and its manufacturing method |
| CN104121336A (en) * | 2013-04-23 | 2014-10-29 | 刘绍全 | Three-star-wheel planetary speed reducer |
| CN105736645A (en) * | 2016-03-30 | 2016-07-06 | 湖北航天三江红林机电科技有限公司 | Conical pendulum type few tooth difference speed reduction device |
| CN207122549U (en) * | 2017-09-05 | 2018-03-20 | 安徽省湖滨机械厂 | A kind of modified form planet wheel decelerator |
| CN208169442U (en) * | 2018-01-11 | 2018-11-30 | 武汉市精华减速机制造有限公司 | Large torque deceleration device |
| WO2019071427A1 (en) * | 2017-10-10 | 2019-04-18 | 深圳先进技术研究院 | Hollow hypocycloid planetary speed reducer |
| CN210141301U (en) * | 2019-05-29 | 2020-03-13 | 西安工业大学 | Low-cost combined transmission conversion device |
-
2019
- 2019-05-29 CN CN201910457601.8A patent/CN110206853B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08189550A (en) * | 1995-01-06 | 1996-07-23 | Suzuki Motor Corp | Manual transmission |
| DE102004016301A1 (en) * | 2004-04-02 | 2005-10-20 | Peter Miling | Two-gear eccentric ring planetary gear mechanism for cycle has coupling operable under uninterrupted force flow for improving cycle gear changes |
| CN101432547A (en) * | 2006-04-28 | 2009-05-13 | 纳博特斯克株式会社 | Reduction gear mechanism, and its manufacturing method |
| DE102006023552A1 (en) * | 2006-05-19 | 2007-11-22 | Zf Friedrichshafen Ag | Method for determining the speed of the main shaft of a transmission and transmission with a Drehzahlabgriffseinrichtung |
| CN104121336A (en) * | 2013-04-23 | 2014-10-29 | 刘绍全 | Three-star-wheel planetary speed reducer |
| CN105736645A (en) * | 2016-03-30 | 2016-07-06 | 湖北航天三江红林机电科技有限公司 | Conical pendulum type few tooth difference speed reduction device |
| CN207122549U (en) * | 2017-09-05 | 2018-03-20 | 安徽省湖滨机械厂 | A kind of modified form planet wheel decelerator |
| WO2019071427A1 (en) * | 2017-10-10 | 2019-04-18 | 深圳先进技术研究院 | Hollow hypocycloid planetary speed reducer |
| CN208169442U (en) * | 2018-01-11 | 2018-11-30 | 武汉市精华减速机制造有限公司 | Large torque deceleration device |
| CN210141301U (en) * | 2019-05-29 | 2020-03-13 | 西安工业大学 | Low-cost combined transmission conversion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110206853A (en) | 2019-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106352024A (en) | Single-eccentric short transmission chain speed reducer | |
| CN102897682B (en) | Gear transmission case | |
| CN111120582A (en) | Multi-motor-driven parallel shaft gear resultant force reduction gearbox for petroleum drilling | |
| CN110206853B (en) | Combined transmission changing mechanism | |
| CN104343895A (en) | Self-compensating zero backlash planetary transmission reducer | |
| CN210128042U (en) | Low-cost multistage transmission structure | |
| CN210141301U (en) | Low-cost combined transmission conversion device | |
| CN109611516B (en) | Driving axle double-speed reducer with planetary structure | |
| CN204153064U (en) | A kind of self compensation zero back clearance planetary transmission retarder | |
| CN110701251A (en) | Multistage coaxial surface contact oscillating tooth precision speed reducer | |
| CN201225383Y (en) | Arc teeth cylindrical gear speed reducer | |
| CN202926974U (en) | High-precision planetary reducer | |
| CN202064824U (en) | Rotary power head of coaxial transmission drill | |
| CN214743078U (en) | Novel transmission | |
| US20120231912A1 (en) | Manipulatable epicyclic type clutch device coupled with hybrid power train | |
| CN210126429U (en) | Series-parallel hybrid power system based on two gearboxes | |
| CN102032342B (en) | Novel gear self-locking type transmission output device | |
| CN218407603U (en) | Engine capable of outputting in positive and negative rotation mode | |
| CN219139787U (en) | Gear shifting executing mechanism for hybrid electric vehicle | |
| CN220870018U (en) | Speed reducer for chain tightening of scraper conveyor | |
| CN216789137U (en) | Novel multi-gear automatic transmission | |
| CN212225898U (en) | Improved generation does not have impact gear shift mechanism | |
| CN218761170U (en) | Single-direction and two-direction switching output reverse gear device | |
| CN102226374A (en) | Rotary power head of coaxial transmission drilling machine | |
| CN218440540U (en) | Gear box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |