CN105065579B - Gear assembly - Google Patents
Gear assembly Download PDFInfo
- Publication number
- CN105065579B CN105065579B CN201510416098.3A CN201510416098A CN105065579B CN 105065579 B CN105065579 B CN 105065579B CN 201510416098 A CN201510416098 A CN 201510416098A CN 105065579 B CN105065579 B CN 105065579B
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- Prior art keywords
- gear
- level
- connecting rod
- driven gear
- driven
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- 238000003754 machining Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The invention discloses a kind of gear assemblies, including level-one driving gear, level-one driven gear, two level driving gear and two level driven gear, level-one driving gear and the engagement of level-one driven gear, two level driving gear and the engagement of two level driven gear, it is characterized in that, the gear shaft of level-one driven gear, the gear shaft of two level driving gear are connected to connecting rod both ends, are connected by inside and outside spline fitted between the gear shaft and connecting rod of level-one driven gear and/or between the gear shaft and connecting rod of two level driving gear.Connecting rod connects the gear shaft of the gear shaft and two level driving gear of level-one driven gear, realizes the torsion pass between two-stage.Level-one driven gear and two level driving gear are mutual indepedent, keep two-stage gear pair separately installed, and influencing each other when reducing the assembly of two-stage gear pair reduces the complexity of assembly, reduce the requirement on machining accuracy of spare part.
Description
Technical field
The present invention relates to transmission fields, particularly, are related to a kind of gear assembly.
Background technology
It is continuously improved with the power grade of power used in aviation power and every profession and trade, what gear assembly was transmitted
Load is increasing, cannot be satisfied demand of the high-power power to gear assembly, multichannel shunting using single channel gear drive
Gear drive obtains increasingly extensive application.
In two-stage multichannel shunts gear train, Fig. 1 and Fig. 2, usual level-one driven gear 20 and two level driving gear 30 are seen
(being referred to as intermediate Double-gear) is designed as overall structure or non-removable connection structure, such as the spline connection of interference fit.
When gear train is assembled, after installing gear all the way, the mutual circumferential position of level-one driving gear 10 and two level driven gear 40
Just it has been determined that level-one driven gear 20 and two level driving gear 30 in the intermediate Double-gear on other each roads just need to be by oriented
Level-one driving gear 10 and two level driven gear 40 determine its mutual circumferential position, therefore, when intermediate Double-gear is processed one
Grade driven gear 20 and 30 phase angle of two level driving gear just need this angular relationship of strict guarantee.And to there is helical gear gear
System, it is also necessary to ensure two-stage gear pair by adjusting the axial position of intermediate Double-gear while engaging.Therefore, common two
In grade multichannel shunting gear train, the processing request of spare part is high, and the assembly of gear train is complicated.
Invention content
The present invention provides a kind of gear assemblies, to solve existing gear assembly processing request height, gear
The technical problem of the assembly complexity of system.
The technical solution adopted by the present invention is as follows：
A kind of gear assembly, including level-one driving gear, level-one driven gear, two level driving gear and two level are driven
Gear, level-one driving gear and the engagement of level-one driven gear, two level driving gear and the engagement of two level driven gear, feature exist
In the gear shaft of level-one driven gear, the gear shaft of two level driving gear are connected to connecting rod both ends, level-one driven gear
Gear shaft and connecting rod between and/or the gear shaft and connecting rod of two level driving gear between connected by inside and outside spline fitted
It connects.
Further, connecting rod both ends are separately connected the gear shaft and two of level-one driven gear by inside and outside spline fitted
The gear shaft of grade driving gear.
Further, it is connected by inside and outside spline fitted between the gear shaft and connecting rod of level-one driven gear, two level master
It is fixedly connected between the gear shaft of moving gear and connecting rod；Or
It is connected by inside and outside spline fitted between the gear shaft and connecting rod of two level driving gear, the tooth of level-one driven gear
It is fixedly connected between wheel shaft and connecting rod.
Further, connecting rod includes an external splines, and connecting rod sets that there are one the spline housings that coordinate with external splines, and leads to
Crossing spline housing coordinates nested encryptions in the gear shaft of level-one driven gear or in the gear shaft of two level driving gear.
Further, level-one driving gear and level-one driven gear form one-stage gear pair, two level driving gear and two level
Driven gear forms secondary gear wheel set；
The minimum angular phase difference △ φ of the adjacent between cog of two splines are less than one-stage gear pair and secondary gear wheel set in connecting rod
Backlash and.
Further, level-one driving gear and level-one driven gear form one-stage gear pair, two level driving gear and two level
Driven gear forms secondary gear wheel set；
The minimum angular phase difference △ φ of the adjacent between cog of two splines are less than one-stage gear pair and secondary gear wheel set on spline housing
Backlash and.
Further, the gear shaft of the gear shaft of level-one driven gear or two level driving gear is connected by pin connection, interference
It connects, be keyed or the mode of flanged joint is fixedly connected on connecting rod one end.
Further, level-one driving gear, level-one driven gear, two level driving gear and two level driven gear are straight-tooth
Wheel, herringbone bear or wildhaber-novikov gear.
The invention has the advantages that：Connecting rod connects the gear shaft and two level driving gear of level-one driven gear
Gear shaft realizes the torsion pass between two-stage.Level-one driven gear and two level driving gear are mutual indepedent, and two-stage gear pair is made individually to pacify
Dress, influencing each other when reducing the assembly of two-stage gear pair, reduces the complexity of assembly, reduces the processing essence of spare part
Degree requires.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the gear assembly of the prior art；
Fig. 2 is the structural schematic diagram at another visual angle of gear assembly of the prior art；
Fig. 3 is the structural schematic diagram of the gear assembly of the preferred embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the gear assembly of another preferred embodiment of the present invention；
Fig. 5 is the signal of the angular phase difference △ φ of the adjacent between cog of two splines in the connecting rod of the preferred embodiment of the present invention
Figure.
Reference sign：100, level-one driving gear；200, level-one driven gear；300, two level driving gear；400、
Two level driven gear；500, connecting rod；600, spline housing.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
With reference to Fig. 3 and Fig. 4, it includes level-one driving gear that the preferred embodiment of the present invention, which provides a kind of gear assembly,
100, level-one driven gear 200, two level driving gear 300 and two level driven gear 400, level-one driving gear 100 and level-one from
Moving gear 200 engages, and two level driving gear 300 and two level driven gear 400 engage, the gear shaft of level-one driven gear 200, two
The gear shaft of grade driving gear 300 is connected to 500 both ends of connecting rod, the gear shaft and connecting rod of level-one driven gear 200
It is connected between 500 and/or by inside and outside spline fitted between the gear shaft of two level driving gear 300 and connecting rod 500.
Connecting rod 500 is equipped with spline, and spline can be external splines or internal spline.The gear shaft of level-one driven gear 200 and
The gear shaft of two level driving gear 300 can all by the way that corresponding internal spline or external splines mating connection connecting rod 500 is arranged,
Can corresponding internal spline or external splines one of be set and pass through 600 corresponding external splines of spline housing or internal spline cooperation company
Extension bar 500 in succession, another is fixedly connected with connecting rod 500.When assembly, gear pair belonging to level-one driven gear 200, two level are actively
Gear pair belonging to gear 300 is separately installed good, and the first via can be installed arbitrarily, other each roads can be smoothly packed into through centering position,
Complete gear train assembly.
The invention has the advantages that：Connecting rod 500 connects gear shaft and the two level active of level-one driven gear 200
The gear shaft of gear 300 realizes the torsion pass between two-stage.Level-one driven gear 200 and two level driving gear 300 are mutual indepedent, make
Two-stage gear pair is separately installed, and influencing each other when reducing the assembly of two-stage gear pair reduces the complexity of assembly, reduce
The requirement on machining accuracy of spare part.
Optionally, 500 both ends of connecting rod are separately connected the gear shaft of level-one driven gear 200 by inside and outside spline fitted
With the gear shaft of two level driving gear 300.Between the gear shaft and connecting rod 500 of level-one driven gear 200 and two level driving tooth
It is connected by inside and outside spline fitted between the gear shaft and connecting rod 500 of wheel 300, it is easier for installation, reduce assembly
Complexity.
Optionally, it is connected by inside and outside spline fitted between the gear shaft of level-one driven gear 200 and connecting rod 500, two
It is fixedly connected between the gear shaft and connecting rod 500 of grade driving gear 300；Or gear shaft and the company of two level driving gear 300
It is connected by inside and outside spline fitted between extension bar 500, it is fixed between the gear shaft and connecting rod 500 of level-one driven gear 200 to connect
It connects.
Since one end of connecting rod 500 is connected by inside and outside spline fitted, level-one driven gear 200 and two level can be made actively
Gear 300 is mutual indepedent, reduces requirement on machining accuracy, reduces the complexity of installation.
Optionally, connecting rod 500 includes an external splines, and connecting rod 500 sets that there are one the spline housings that coordinate with external splines
600, and coordinate nested encryptions in the gear shaft of level-one driven gear 200 or two level driving gear 300 by spline housing 600
In gear shaft.Spline housing 600 is equipped with the internal spline coordinated with external splines, passes through inside and outside flower between connecting rod 500 and spline housing 600
Key be connected, while connecting rod 500 be nested in the gear shaft of level-one driven gear 200 by the cooperation of spline housing 600 or
In the gear shaft of two level driving gear 300.
Optionally, one-stage gear is formed with reference to Fig. 3, Fig. 4 and Fig. 5, level-one driving gear 100 and level-one driven gear 200
Pair, two level driving gear 300 and two level driven gear 400 form secondary gear wheel set, the adjacent between cog of two splines in connecting rod 500
Minimum angular phase difference △ φ be less than one-stage gear pair and secondary gear wheel set backlash and.
The minimum angular phase difference △ φ of the adjacent between cog of two splines are less than one-stage gear pair and secondary gear in connecting rod 500
Secondary backlash and.Between the spline at both ends and the gear of respective end can be random angle to this greatly reduces difficulty of processing.Even
On 500 axial direction of extension bar, the minimum angular phase difference △ φ of the adjacent between cog of two splines are less than two gear pairs in connecting rod 500
Backlash and, this ensures that at least one position can smoothly realize assembly, eliminate mutual shadow when two-stage gear pair assembles
It rings, realizes the adjustment-free installation of gear train, further decrease requirement on machining accuracy and assembly difficulty.
Optionally, one-stage gear is formed with reference to Fig. 3, Fig. 4 and Fig. 5, level-one driving gear 100 and level-one driven gear 200
Pair, two level driving gear 300 and two level driven gear 400 form secondary gear wheel set, the adjacent between cog of two splines on spline housing 600
Minimum angular phase difference △ φ be less than one-stage gear pair and secondary gear wheel set backlash and.
The minimum angular phase difference △ φ of the adjacent between cog of two splines are less than one-stage gear pair and secondary gear on spline housing 600
Secondary backlash and.Between the spline at both ends and the gear of respective end can be random angle to this greatly reduces difficulty of processing.In flower
Key covers on 600 axial directions, and the minimum angular phase difference △ φ of the adjacent between cog of two splines are less than two gear pairs on spline housing 600
Backlash and, this ensures that at least one position can smoothly realize assembly, eliminate mutual shadow when two-stage gear pair assembles
It rings, realizes the adjustment-free installation of gear train, further decrease requirement on machining accuracy and assembly difficulty.
Optionally, the gear shaft of the gear shaft of level-one driven gear 200 or two level driving gear 300 passes through pin connection, mistake
The mode of connection, key connection or flanged joint of being full of is fixedly connected on 500 one end of connecting rod.When the gear of level-one driven gear 200
One in the gear shaft of axis and two level driving gear 300 when being connect with connecting rod 500 by being fixedly connected with mode, can pass through
A kind of connection in aforesaid way.Above-mentioned connection type, simple in structure, stable connection.
Optionally, with reference to Fig. 3 and Fig. 4, level-one driving gear 100, level-one driven gear 200,300 and of two level driving gear
Two level driven gear 400 is spur gear, herringbone bear or wildhaber-novikov gear.Level-one driving gear 100 and level-one driven gear 200 are
One-stage gear pair, two level driving gear 300 and two level driven gear 400 are secondary gear wheel set.Gear between two gear pairs
Tooth form can be identical or different.Between gear between same gear pair for meshing relation thus tooth form it is identical, while be straight-tooth
Wheel, herringbone bear or wildhaber-novikov gear.Above-mentioned design can be not necessarily to that the adjustment gear that adjustment two-stage gear pair engages simultaneously is arranged so that
Structure more simplify it is compact, installation it is more simple.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. a kind of gear assembly, including level-one driving gear (100), level-one driven gear (200), two level driving gear
(300) it is engaged with two level driven gear (400), the level-one driving gear (100) and the level-one driven gear (200), institute
State two level driving gear (300) and the two level driven gear (400) engagement, which is characterized in that the level-one driven gear
(200) gear shaft of gear shaft, the two level driving gear (300) is connected to connecting rod (500) both ends, the level-one
Between the gear shaft and the connecting rod (500) of driven gear (200) and/or the gear shaft of the two level driving gear (300)
It is connect by inside and outside spline fitted between the connecting rod (500)；
It is connect by inside and outside spline fitted between the gear shaft of the level-one driven gear (200) and the connecting rod (500), institute
It states and is fixedly connected between the gear shaft of two level driving gear (300) and the connecting rod (500)；Or
It is connect by inside and outside spline fitted between the gear shaft of the two level driving gear (300) and the connecting rod (500), institute
It states and is fixedly connected between the gear shaft of level-one driven gear (200) and the connecting rod (500)；
The connecting rod (500) includes an external splines, and the connecting rod (500) sets that there are one the flowers that coordinate with the external splines
Key set (600), and coordinate nested encryptions in the gear shaft of the level-one driven gear (200) by the spline housing (600)
Or in the gear shaft of the two level driving gear (300)；
The level-one driving gear (100) and the level-one driven gear (200) form one-stage gear pair, the two level driving tooth
It takes turns (300) and the two level driven gear (400) forms secondary gear wheel set；
The minimum angular phase difference △ φ of the adjacent between cog of upper two splines of spline housing (600) are less than that the one-stage gear is secondary and institute
State secondary gear wheel set backlash and.
2. gear assembly according to claim 1, which is characterized in that the gear of the level-one driven gear (200)
The gear shaft of axis or the two level driving gear (300) is consolidated by way of pin connection, interference connection, key connection or flanged joint
Surely it is connected to the connecting rod (500) one end.
3. gear assembly according to claim 1 or 2, which is characterized in that the level-one driving gear (100), institute
It is spur gear, herringbone to state level-one driven gear (200), the two level driving gear (300) and the two level driven gear (400)
Gear or wildhaber-novikov gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510416098.3A CN105065579B (en) | 2015-07-15 | Gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510416098.3A CN105065579B (en) | 2015-07-15 | Gear assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105065579A CN105065579A (en) | 2015-11-18 |
| CN105065579B true CN105065579B (en) | 2018-08-31 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5588328A (en) * | 1994-07-08 | 1996-12-31 | Fanuc Ltd. | Gear mechanism improved to remove backlash |
| US6374689B1 (en) * | 2000-05-22 | 2002-04-23 | Harrier Technologies, Inc. | Continuous load balancing gear sets |
| CN102619946A (en) * | 2012-04-13 | 2012-08-01 | 中国航空动力机械研究所 | Branch torque transmission structure and mounting method thereof |
| CN202629021U (en) * | 2012-06-12 | 2012-12-26 | 南京高精齿轮集团有限公司 | Main transmission gear box for driving cold-rolling crimping machine |
| CN104500655A (en) * | 2014-12-11 | 2015-04-08 | 中国航空动力机械研究所 | Torsion-transmission helicopter reducer |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5588328A (en) * | 1994-07-08 | 1996-12-31 | Fanuc Ltd. | Gear mechanism improved to remove backlash |
| US6374689B1 (en) * | 2000-05-22 | 2002-04-23 | Harrier Technologies, Inc. | Continuous load balancing gear sets |
| CN102619946A (en) * | 2012-04-13 | 2012-08-01 | 中国航空动力机械研究所 | Branch torque transmission structure and mounting method thereof |
| CN202629021U (en) * | 2012-06-12 | 2012-12-26 | 南京高精齿轮集团有限公司 | Main transmission gear box for driving cold-rolling crimping machine |
| CN104500655A (en) * | 2014-12-11 | 2015-04-08 | 中国航空动力机械研究所 | Torsion-transmission helicopter reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: China Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: China |