CN103174806B - Combined type multi-gear simultaneous meshing speed changer - Google Patents
Combined type multi-gear simultaneous meshing speed changer Download PDFInfo
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- CN103174806B CN103174806B CN201310112806.5A CN201310112806A CN103174806B CN 103174806 B CN103174806 B CN 103174806B CN 201310112806 A CN201310112806 A CN 201310112806A CN 103174806 B CN103174806 B CN 103174806B
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Abstract
The invention provides a combined type multi-gear simultaneous meshing speed changer. The combined type multi-gear simultaneous meshing speed changer is characterized in that a first input element (22) is connected with an input shaft (1), a first connection element (34) is connected with a second input element (22), a second connection element (24) is connected with a second input element (32), a second connection element (34) is connected with an input end (61), each output element (21) and each next output element (31) are the same element which is a common output element (231), and each common output element is directly connected with an input end (42) of each gear transmission mechanism (4) matched with each moment increasing unit (2) and each speed regulating unit (3).
Description
Technical field
The invention belongs to speed changer field, more particularly, it be a kind of can multi-gear simultaneous meshing variable speed unit for various surface car, boats and ships, railway locomotive, engineering machinery, various space flight, airborne vehicle, metallurgy, mine, oil, chemical industry, light industry, food, weaving, handling machinery, lathe, robot and the compound of military project.
Background technology
At present, have the speed changer of gear all to need, by the mechanism such as gear shift and manipulation, gear shift could be realized, therefore complex structure, manipulation trouble, and cost is high; In addition, transmission efficiency is low.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide a kind of service life extending engine and power train, structure is simple, and without the need to manipulation, low cost, the compound of efficient energy-saving can multi-gear simultaneous meshing variable speed unit.
In order to realize object of the present invention, below the technical solution used in the present invention:
A kind of compound can multi-gear simultaneous meshing variable speed unit, it comprises power shaft (1), gear drive (4), one-way clutch (5), coupling (6), output shaft (7), the output (62) of described coupling (6) connects with power shaft (1), the output (41) of each gear driven mechanism (4) connects with output shaft (7), be provided with two between power shaft (1) and output shaft (7) and increase square unit (2) and two speed adjustment units (3), the input element (22) of first increasing square unit (2) connects with power shaft (1), described increasing square unit (2) comprises output element (21), input element (22), planetary gear (23), connection element (24), described speed adjustment unit (3) comprises output element (31), input element (32), planetary gear (33), connection element (34), the connection element (24) of first increasing square unit (2) connects with the input element (32) of first speed adjustment unit (3), the connection element (34) of first speed adjustment unit (3) connects with second input element (22) increasing square unit (2), second connection element (24) increasing square unit (2) connects with the input element (32) of second speed adjustment unit (3), the connection element (34) of second speed adjustment unit (3) connects with the input (61) of coupling (6), each increases the output element (21) of square unit (2) and the output element (31) of respective next speed adjustment unit (3) is identity element, i.e. public output element (231), it directly connects with the input (42) of respective increasing square unit (2) and the supporting gear drive (4) of speed adjustment unit (3).
The described output element (21) of some increasing square unit (2) and the output element (31) of respective next speed adjustment unit (3) are identity element, i.e. public output element (231), it directly connects with the input (42) of respective increasing square unit (2) and the supporting gear drive (4) of speed adjustment unit (3).
Described coupling (6) increases square unit (8) by coupling and coupling speed adjustment unit (9) forms, the connection element (84) that coupling increases square unit (8) connects with the input element (92) of coupling speed adjustment unit (9), the output element (91) of output element (81) and coupling speed adjustment unit (9) that coupling increases square unit (8) connects with the input (51) of the one-way clutch (5) coordinated separately respectively, wherein, their output (52) connects with coupling spindle (10) respectively, the output (62) that coupling spindle (10) is coupling (6), connect with power shaft (1), the input element (82) that coupling increases square unit (8) input (61) that is coupling (6), connect with the connection element (34) of last speed adjustment unit (3), the connection element (94) of coupling speed adjustment unit (9) connects with the some elements beyond the present invention.
Described increasing square unit (2) is planetary gear mechanism, few tooth difference transmission mechanism, cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, increase output element (21), input element (22), the connection element (24) of square unit (2), select by three elements of above-mentioned transmission mechanism, wherein, when the rotating speed of output element (21) is zero, the rotary speed direction of connection element (24) is constant, now, the moment of torsion of connection element (24) increases, and plays a part to increase square.
Described speed adjustment unit (3) is planetary gear mechanism, few tooth difference transmission mechanism, cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, the output element (31) of speed adjustment unit (3), input element (32), connection element (34), select by three elements of above-mentioned transmission mechanism, wherein, when the rotating speed of output element (31) is zero, the rotary speed direction of connection element (34) is constant, now, the rotating speed of connection element (34) raises, and plays speed governing.
Described coupling increases square unit (8) from increasing square unit (2) except title is different, and all the other each side are identical.
Described coupling speed adjustment unit (9) and speed adjustment unit (3) are except title is different, and all the other each side are identical.
When the present invention is applied to vehicle, when can travel according to vehicle, be subject to the size of resistance, automatically change the change of output torque and speed.
The present invention has following advantage:
(1) the present invention does not have gear shift and operating mechanism, therefore avoids manual labor and the mental burden of driver, and structure is simple, is conducive to reducing the cost manufactured, is easier to maintenance;
(2) bending moment of the present invention and speed change complete automatically, can realize high efficiency transmission, and except starting, engine can be made to work in optimum range, compared with other speed changer, under the prerequisite of engine equivalence, that reduce the manufacturing cost of engine;
(3) the present invention is without the need to converting gear, engine is in economic speed region and operates, namely work in the range of speeds of very little disposal of pollutants, avoid engine when idling and high-speed cruising, discharge large quantity of exhaust gas, thus decrease the discharge of waste gas, be conducive to protection of the environment;
(4) the present invention can utilize inner speed discrepancy to play buffering and overload protection, is conducive to the service life extending engine and power train, in addition, when running resistance increases, then can make the automatic reduction of speed of vehicle, on the contrary then raising speed, be conducive to the driving performance improving vehicle;
(5) the present invention is without the need to converting gear, makes input power uninterrupted, can ensure that vehicle has good acceleration and higher average speed, the wearing and tearing of engine be reduced, extends interval mileage of major repair, improve bus dispatching rate, be conducive to boosting productivity.
In addition, the present invention be a kind of also can be used for various surface car, boats and ships, railway locomotive, engineering machinery, various space flight, airborne vehicle, metallurgy, mine, oil, chemical industry, light industry, food, weaving, handling machinery, lathe, robot and the compound of military project can multi-gear simultaneous meshing variable speed unit.
Accompanying drawing explanation
Fig. 1 is the structure chart of the embodiment of the present invention one.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
Embodiment one:
As shown in fig. 1, a kind of compound can multi-gear simultaneous meshing variable speed unit, it comprises power shaft 1, gear drive 4, one-way clutch 5, coupling 6, output shaft 7, the output 62 of described coupling 6 connects with power shaft I, the output 41 of each gear drive 4 connects with output shaft 7, be provided with two between power shaft 1 and output shaft 7 and increase square unit 2 and two speed adjustment units 3, the input element 22 of first increasing square unit 2 connects with power shaft 1, described increasing square unit 2 comprises output element 21, input element 22, planetary gear 23, connection element 24, described speed adjustment unit 3 comprises output element 31, input element 32, planetary gear 33, connection element 34, the connection element 24 of first increasing square unit 2 connects with the input element 32 of first speed adjustment unit 3, the connection element 34 of first speed adjustment unit 3 connects with second input element 22 increasing square unit 2, second connection element 24 increasing square unit 2 connects with the input element 32 of second speed adjustment unit 3, the connection element 34 of second speed adjustment unit 3 connects with the input 61 of coupling 6, each increases the output element 21 of square unit 2 and the output element 31 of respective next speed adjustment unit 3 is identity element, i.e. public output element 231, it directly connects with the input 42 of respective increasing square unit 2 and the supporting gear drive 4 of speed adjustment unit 3.
Described coupling 6 increases square unit 8 by coupling and coupling speed adjustment unit 9 forms, the connection element 84 that coupling increases square unit 8 connects with the input element 92 of coupling speed adjustment unit 9, the output element 91 of output element 81 and coupling speed adjustment unit 9 that coupling increases square unit 8 connects with the input 51 of the one-way clutch 5 coordinated separately respectively, wherein, their output 52 connects with coupling spindle 10 respectively, coupling spindle 10 is the output 62 of coupling 6, connect with power shaft 1, the input element 82 of coupling increasing square unit 8 is the input 61 of coupling 6, connect with the connection element 34 of last speed adjustment unit 3, the connection element 94 of coupling speed adjustment unit 9 connects with the some elements beyond the present invention.
Input power splits into two-way by the input element 22 of first increasing square unit 2, one road flows into output element 21, the input element 32 that another road flows into next speed adjustment unit 3 through connection element 24 splits into two-way again, one road flows into output element 31, another road flows into through connection element 34 input element 22 that second increases square unit 2, and repeats above-mentioned branching process.
Because the rotating speed relations of distribution of each element above-mentioned can change, change according to rotating speed distribution between the two changes by two-way poower flow, when each output element 21 rotating speed is zero, its power output is zero, but moment is non-vanishing, now, the input power of each connection element 24 then changes to maximum by certain value, described certain value refers to when each connection element 24 is identical with the rotating speed of respective output element 21, both press the value that planet row torque ratio distributes input power gained, described maximum refers to the general power inputted by the input element 22 of the increasing square unit 2 coordinated separately, that is, when two-way power changes, each connection element 24 will play bending moment, make its moment being delivered to the input element 32 of respective next speed adjustment unit 3 after point square, the moment being delivered to respective output element 31 more also changes thereupon, thus make after each gear drive 4, the moment be delivered to again on output shaft 7 also changes thereupon.
In addition, because the rotating speed relations of distribution of each element above-mentioned can change, so each increase the output element 21 of square unit 2 and the output element 31 of speed adjustment unit 3 rotating speed can from zero to the rotating speed same range of respective input element 22 and input element 32 in constantly change, so they can transmit input power with rotating speeds different separately, thus the output 41 of the gear drive 4 of each different drive ratios can be connected with output shaft 7 simultaneously, this is because the input element 32 of each connection element 24 and each speed adjustment unit 3 increasing square unit 2 plays speed governing, make the rotating speed of the connection element 34 of each speed adjustment unit 3 identical with the rotating speed of the input element 22 of the increasing square unit 2 connected separately, namely identical with the rotating speed of power shaft 1.
The input power of engine splits into two-way by the input element 22 of first increasing square unit 2, one road flows into output element 21, the input element 32 that another road flows into first speed adjustment unit 3 through connection element 24 splits into two-way again, one road flows into output element 31, another road flows into through connection element 34 input element 22 that second increases square unit 2, split into two-way again, one road flows into output element 21, the input element 32 that another road flows into second speed adjustment unit 3 through connection element 24 splits into two-way again, one road flows into output element 31, another road flows into coupling 6 through connection element 34, when input power flows into the input 61 of coupling 6 by the connection element 34 of second speed adjustment unit 3, namely coupling increases the input element 82 of square unit 8, its input power splits into two-way, one road flows into output element 81, the input element 92 that another road flows into coupling speed adjustment unit 9 through connection element 84 splits into two-way again, one road flows into output element 91, another road flows into the some elements beyond the present invention through connection element 94, wherein, flow into the power that coupling increases the output element 81 of square unit 8 and the output element 91 of coupling speed adjustment unit 9, after one-way clutch 5 through coordinating separately with them, flow into the coupling spindle 10 that each one-way clutch 5 connects separately more respectively, finally, the power flowing into coupling spindle 10 is all delivered to power shaft 1 of the present invention, thus achieve and converge with the power of engine, wherein, flow into the power that each increases the output element 21 of square unit 2 and the output element 31 of speed adjustment unit 3, after gear drive 4 through coordinating separately with them, be delivered to output shaft 7 of the present invention again, thus achieve the power of engine is externally exported by output shaft 7.
For the present invention, when the rotating speed of power shaft 1 is constant, moment of torsion on output shaft 7 changes with the change of its rotating speed, rotating speed is lower, moment of torsion on output shaft 7 is larger, otherwise, then less, thus realize the present invention and can change moment with the difference of vehicle travel resistance and the compound of speed can multi-gear simultaneous meshing variable speed unit.
When the present invention uses, if the input power of engine, input speed and its load constant, namely the rotating speed of power shaft 1 and moment of torsion are constant, before vehicle starting, the rotating speed of output shaft 7 is zero, work as automobile starting, because of output shaft 7 transfixion, namely each increases the output element 21 of square unit 2 and output element 31 transfixion of speed adjustment unit 3, each power increasing the input element 22 of square unit 2 or the input element 32 of speed adjustment unit 3 all flows into connection element 24 or connection element 34, moment of torsion is made to be greater than the input torque of respective input element 22 after its bending moment, or after its speed change, make rotating speed be greater than the input speed of respective input element 32, and be delivered to next speed adjustment unit 3 or increase square unit 2, they are again because identical reason, repeat above-mentioned situation, now, the output element 21 of increasing square unit 2 that each cooperatively interacts and the moment of torsion of the output element 31 of speed adjustment unit 3 reach maximum, moment of torsion is after the gear drive 4 coordinated separately with them, be delivered to output shaft 7, with the connection element 34 of last speed adjustment unit 3, moment of torsion is delivered to coupling 6, the output 62 of coupling 6 is delivered to power shaft 1 moment of torsion, realize converging with the input torque of engine, and constantly a point square is carried out between each increasing square unit 2 and speed adjustment unit 3, the iterative cycles of bending moment and remittance square, make to be delivered to each moment of torsion increasing the output element 21 of square unit 2 or the output element 31 of speed adjustment unit 3 constantly to increase, thus the moment of torsion being delivered to each gear drive 4 is constantly increased, and be delivered to output shaft 7, when being delivered to the moment of torsion on output shaft 7, through power train be transferred to the tractive force that driving wheel produces be enough to overcome vehicle starting resistance time, automobile is then started to walk and is started to accelerate, each rotating speed increasing the output element 21 of square unit 2 and the output element 31 of speed adjustment unit 3 be connected with it also increases gradually from zero, now, power is divided into two-way, flow into each power increasing the connection element 24 of square unit 2 and the connection element 34 of speed adjustment unit 3 to reduce gradually, thus, its increasing square effect is reduced gradually, the moment of torsion of output shaft 7 reduces along with the increase of rotating speed, when the input element 22 of each increasing square unit 2 is identical with the rotating speed of output element 31 with respective output element 21 with the input element 32 of speed adjustment unit 3, respective connection element 24 and connection element 34 do not recur and increase square or chronotropic action.
Claims (1)
1. one kind compound can multi-gear simultaneous meshing variable speed unit, it comprises power shaft (1), gear drive (4), one-way clutch (5), coupling (6), output shaft (7), the output (62) of described coupling (6) connects with power shaft (1), the output (41) of each gear drive (4) connects with output shaft (7), it is characterized in that: be provided with two between power shaft (1) and output shaft (7) and increase square unit (2) and two speed adjustment units (3), the input element (22) of first increasing square unit (2) connects with power shaft (1), described increasing square unit (2) comprises output element (21), input element (22), planetary gear (23), connection element (24), described speed adjustment unit (3) comprises output element (31), input element (32), planetary gear (33), connection element (34), the connection element (24) of first increasing square unit (2) connects with the input element (32) of first speed adjustment unit (3), the connection element (34) of first speed adjustment unit (3) connects with second input element (22) increasing square unit (2), second connection element (24) increasing square unit (2) connects with the input element (32) of second speed adjustment unit (3), the connection element (34) of second speed adjustment unit (3) connects with the input (61) of coupling (6), each increases the output element (21) of square unit (2) and the output element (31) of respective next speed adjustment unit (3) is identity element, i.e. public output element (231), it directly connects with the input (42) of respective increasing square unit (2) and the supporting gear drive (4) of speed adjustment unit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112806.5A CN103174806B (en) | 2008-06-06 | 2008-06-06 | Combined type multi-gear simultaneous meshing speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310112806.5A CN103174806B (en) | 2008-06-06 | 2008-06-06 | Combined type multi-gear simultaneous meshing speed changer |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810028666 Division CN101598197B (en) | 2008-06-06 | 2008-06-06 | Multi-gear simultaneous meshing variable speed unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103174806A CN103174806A (en) | 2013-06-26 |
| CN103174806B true CN103174806B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310112806.5A Expired - Fee Related CN103174806B (en) | 2008-06-06 | 2008-06-06 | Combined type multi-gear simultaneous meshing speed changer |
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| CN (1) | CN103174806B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333086A (en) * | 2014-05-07 | 2016-02-17 | 吴志强 | Compound type multi-element working wheel hydraulic torque converter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5976046A (en) * | 1998-04-13 | 1999-11-02 | General Dynamics Land Systems, Inc. | Multi-range, hydromechanical transmission for application in high performance automotive drivetrains |
| US6758784B2 (en) * | 2002-12-06 | 2004-07-06 | General Motors Corporation | Family of six-speed dual-clutch transmissions having a stationary planetary member and two brakes |
| CN101012870A (en) * | 2007-02-02 | 2007-08-08 | 吴志强 | Torque convertor |
-
2008
- 2008-06-06 CN CN201310112806.5A patent/CN103174806B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5976046A (en) * | 1998-04-13 | 1999-11-02 | General Dynamics Land Systems, Inc. | Multi-range, hydromechanical transmission for application in high performance automotive drivetrains |
| US6758784B2 (en) * | 2002-12-06 | 2004-07-06 | General Motors Corporation | Family of six-speed dual-clutch transmissions having a stationary planetary member and two brakes |
| CN101012870A (en) * | 2007-02-02 | 2007-08-08 | 吴志强 | Torque convertor |
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| CN103174806A (en) | 2013-06-26 |
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Granted publication date: 20150429 Termination date: 20160606 |