CN108413014A - A kind of six-gear gearbox assembly - Google Patents
A kind of six-gear gearbox assembly Download PDFInfo
- Publication number
- CN108413014A CN108413014A CN201810260080.2A CN201810260080A CN108413014A CN 108413014 A CN108413014 A CN 108413014A CN 201810260080 A CN201810260080 A CN 201810260080A CN 108413014 A CN108413014 A CN 108413014A
- Authority
- CN
- China
- Prior art keywords
- gear
- pin
- driven gear
- adjustment
- jackshaft
- 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.)
- Pending
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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- 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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/18—Special devices for taking up backlash
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/031—Gearboxes; Mounting gearing therein characterised by covers or lids for gearboxes
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02095—Measures for reducing number of parts or components
Abstract
The present invention relates to transmission technology fields, there are sideshakes between transmission gear for jackshaft and the input shaft gear field of conjugate action, cause noise, influence the problems such as speed changer service life, and provide a kind of six-gear gearbox assembly, including input shaft, jackshaft, input shaft gear is often engaged with intermediate shaft transmission gear, and mainshaft rear bearing lid, jackshaft rear bearing cover and rear cover shell are integrally formed；Intermediate shaft transmission gear includes driven gear and adjustment gear；For adjustment gear teeth portion parameter in addition to modification coefficient, remaining parameter is identical as driven gear teeth portion parameter；Adjustment gear is shifted to install with driven gear；Driven gear end face sets annular mounting groove, fixed pin in mounting groove, the vertical driven gear end face of pin；Adjustment gear is equipped with arcuate socket corresponding with pin, and arcuate socket is stretched into pin end, and retaining wall is set in adjustment gear, and retaining wall interval corresponding with arcuate socket is arranged, and in mounting groove, compressed spring is equipped between pin and retaining wall.
Description
Technical field
The present invention relates to transmission technology fields, and in particular to a kind of six-gear gearbox assembly.
Background technology
Existing six-gear gearbox assembly includes input shaft, jackshaft and output shaft；Input shaft gear with mounted on centre
The intermediate shaft transmission gear of axis front end often engages, and drives intermediate shaft transmission gear；It is each on each shelves gear and output shaft on jackshaft
Shelves gear engages, and outputs power to output shaft.
Limited due to engine cylinder number, this necessarily causes the rotating speed of engine output power axis to fluctuate, to draw
Play the twisting vibration of six-gear gearbox assembly input shaft.The transmission gear of six-gear gearbox assembly jackshaft is nibbled with input shaft gear
It closes, after the amplitude of twisting vibration is more than certain value, the free gear gear teeth not engaged on jackshaft can leave gear teeth driving
Side vibrates back and forth within the scope of backlash.Vibration causes the part (such as gear, sliding sleeve etc.) loosened the case where encountering the gap limit
When, occur to hit generation noise.When shock is happened at speed changer neutral gear position, idle noise is generated；Shock is happened at speed changer
The traveling of some gear on the way, just generates driving or slides noise.It idle noise and slides noise and can influence the driving of driver
Experience.
Vibration, control noise can be reduced by reducing gear teeth backlash and limitation center distance tolerance, but this will be carried significantly
The high accuracy of manufacture and difficulty of processing, it is difficult to meet the current demand of batch, economical production.
Meanwhile the rear cover shell of existing six-gear gearbox assembly is typically provided with bearing after output shaft bearing hole and jackshaft
Hole, needs multiple end caps are arranged to be bolted and is sealed against, but the shadows such as works long hours and overhaul with speed changer
It rings, the seal failure between end cap and hole may be led to, there are the risks of oil leak；And quantity, the specification for installing end cap are more,
So that assembly is inconvenient.
Invention content
Regarding the issue above, the present invention provides a kind of six-gear gearbox assembly.
The technical scheme is that：A kind of six-gear gearbox assembly, including input shaft, jackshaft, rear cover shell, main shaft
Rear bearing cover, jackshaft rear bearing cover, the input shaft gear of input shaft and the intermediate shaft transmission gear for being mounted on jackshaft front end
Often engagement, is characterized in that：The mainshaft rear bearing lid, jackshaft rear bearing cover and rear cover shell are integrally formed；It is described
Intermediate shaft transmission gear includes driven gear and adjustment gear；The teeth portion parameter of adjustment gear is in addition to modification coefficient, remaining parameter
It is identical as the teeth portion parameter of driven gear；Adjustment gear is shifted to install with driven gear, the end of end face and driven gear
Face fits closely；The end face that the driven gear is bonded with adjustment gear is equipped with the mounting groove of annular, fixed more in mounting groove
A pin, pin is perpendicular to the end face of driven gear and is evenly distributed in mounting groove；Adjustment gear is equipped with pin one by one
The end of corresponding arcuate socket, pin is stretched into arcuate socket, and adjustment gear is equipped with the retaining wall extended towards installation trench bottom, gear
Wall interval setting corresponding with arcuate socket, the quantity of retaining wall are identical as the quantity of arcuate socket.It is set in mounting groove, between pin and retaining wall
There are the compressed spring in compressive state, one end of compressed spring to be contacted with pin, the other end is contacted with retaining wall.
Further, snap ring is arranged in the shaft end of driven gear, and end face and the driven gear of adjustment gear are made by snap ring
End face fits closely.
Further, multiple mounting holes are uniformly distributed in the mounting groove of above-mentioned driven gear, mounting hole is a pair of with pin one
It answers, pin is fixedly mounted in mounting hole.
Further, above-mentioned pin is used with mounting hole and is interference fitted.
Further, above-mentioned adjustment gear location hole corresponding with being provided on driven gear, for adjustment gear with
Driven gear installation positioning.
Further, the quantity of above-mentioned pin is three.
Further, the retaining wall in above-mentioned adjustment gear is using stamping.
Advantages of the present invention：
1, six-gear gearbox assembly provided by the invention, using the jackshaft driving cog for including driven gear and adjustment gear
Wheel, makes it be bonded always with the working face of input shaft gear, can effectively be reduced by input shaft with dynamic regulation gear meshing backlass
Gear is transferred to the twisting vibration of intermediate shaft transmission gear, to reduce speed changer idle noise and driving noise.
2, rear cover shell provided by the invention uses unitary design, eliminates the master in traditional six-gear gearbox assembly
Axis rear bearing cover, jackshaft rear bearing cover, reduce installation part quantity, alleviate assembly work amount, eliminate end cap with
Rear cover housing junction oil leak hidden danger, and output shaft together on output shaft gear and the parts such as synchronizer before speed changer
Section installation so that assembly is more convenient.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the front view that shaft transmission gear is in original state among the embodiment of the present invention；
Fig. 3 is the left view that shaft transmission gear is in original state among the embodiment of the present invention；
Fig. 4 is the exploded view of shaft transmission gear among the embodiment of the present invention；
Fig. 5 is the front view of driven gear of the embodiment of the present invention；
Fig. 6 is the front view of adjustment gear of the embodiment of the present invention；
Fig. 7 is the partial view that shaft transmission gear is in meshing state among the embodiment of the present invention.
Wherein：1, driven gear；2, adjustment gear；3, pin；4, mounting groove；5, arcuate socket；6, retaining wall；7, bullet is compressed
Spring；8, snap ring；9, mounting hole；10, location hole；11, driving gear；12, semi circular surface；
13, input shaft；14, jackshaft；15, output shaft；16, intermediate shaft transmission gear；17, rear cover shell.
A, driven gear working face；B, driving gear non-working surface；C adjustment gear working faces.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.
Six-gear gearbox assembly as shown in Figure 1, including input shaft 13, jackshaft 14, output shaft 15, rear cover shell 17,
Rear cover shell 17 and mainshaft rear bearing lid, jackshaft rear bearing cover are integrally formed；Rear bearing, output shaft is using the double rib in outer ring, interior
Single block border is enclosed there are one the cylinder roller bearing of washer, rear bearing, output shaft is close to rear cover housing sidewall on one side, leans on snap ring on one side
Limit.The idle wheel axis hole rear end at axle of carrier pulley of reversing gear of rear cover shell 17 uses blind hole structure, the axle of carrier pulley that reverses gear to be close to rear cover on one side
Housing sidewall leans on snap ring to limit on one side.The input shaft gear of input shaft 13 is driven with the jackshaft mounted on 14 front end of jackshaft
Gear 16 often engages.
Referring to Fig. 1 to Fig. 4, intermediate shaft transmission gear 16 includes driven gear 1 and adjustment gear 2；The teeth portion of adjustment gear 2
For parameter in addition to modification coefficient, remaining parameter is identical as the teeth portion parameter of driven gear 1；Adjustment gear 2 is coaxial wrong with driven gear 1
Snap ring is arranged in the shaft end of position setting, driven gear 1, keeps the end face of adjustment gear 2 and the end face of driven gear 1 close by snap ring
Fitting.
Referring to Fig. 4, Fig. 5, Fig. 6, the end face that driven gear 1 is bonded with adjustment gear 2 is equipped with the mounting groove 4 of annular, peace
It is uniformly distributed three mounting holes 9 in tankage 4, three pins 3, three pins 3 and three mounting holes 9 one are also set up in mounting groove 4
One corresponds to, and pin 3 is fixedly mounted on using interference fit in mounting hole 9, and pin 3 is perpendicular to the end face of driven gear 1.
Adjustment gear 2 is semi circular surface 12, semi circular surface equipped with the both ends with 3 one-to-one arcuate socket 5 of pin, arcuate socket
12 diameter is more than the diameter of pin 3, and the end of pin 3 is stretched into arcuate socket 5；Adjustment gear 2 is equipped with using stamping
The retaining wall 6 extended towards 4 bottom of mounting groove, correspondings with arcuate socket 5 interval of retaining wall 6 is arranged, the quantity and arcuate socket 5 of retaining wall 6
Quantity it is identical.In mounting groove 4, the compressed spring 7 in compressive state is equipped between pin 3 and retaining wall 6, compressed spring 7
One end is contacted with pin 3, and the other end is contacted with retaining wall 6.Adjustment gear 2 with corresponding positioning is additionally provided on driven gear 1
Hole 10, for facilitating adjustment gear 2 and the installation of driven gear 1 to position.
In the initial state, adjustment gear 2 and driven gear 1 are at a distance of about certain facewidth.
In meshing state, referring to Fig. 7, after driven gear 1 is engaged with the driving gear 11 of speed changer, adjustment gear 2
The gear teeth and between 1 gear teeth of corresponding driven gear will be extruded into two gear teeth of driving gear 11, driving gear work
Face is bonded with driven gear working face a.Under the action of 7 elastic force of compressed spring, it is non-that adjustment gear working face c is close to driving gear
Working face b.
When engine idling, speed changer is in neutral position, the Wave transmission of engine speed to transmission input shaft, by
In the presence of input shaft gear and intermediate shaft transmission gear sideshake, gear rattle is unavoidable, this hair is used in jackshaft
Bright as after transmission gear, input shaft gear is bonded always with intermediate shaft transmission gear working face, can eliminate sideshake, reduction is idle
Fast noise.
In vehicle travel process, due to the effect of flexible power always between input shaft gear and intermediate shaft transmission gear,
The twisting vibration for being transferred to intermediate shaft transmission gear by input shaft gear can be effectively reduced, noise is driven to reduce speed changer.
Claims (7)
1. a kind of six-gear gearbox assembly, including input shaft (13), jackshaft (14), rear cover shell (17), mainshaft rear bearing lid,
Jackshaft rear bearing cover, the input shaft gear of input shaft (13) and the intermediate shaft transmission gear for being mounted on jackshaft (14) front end
(16) often engagement, it is characterised in that：
The mainshaft rear bearing lid, jackshaft rear bearing cover and rear cover shell (17) are integrally formed；
The intermediate shaft transmission gear (16) includes driven gear (1) and adjustment gear (2)；The teeth portion parameter of adjustment gear (2)
In addition to modification coefficient, remaining parameter is identical as the teeth portion parameter of driven gear (1)；Adjustment gear (2) and driven gear (1) are coaxial
It shifts to install, the end face of end face and driven gear (1) fits closely；
The end face that the driven gear (1) is bonded with adjustment gear (2) is equipped with the mounting groove (4) of annular, consolidates in mounting groove (4)
If multiple pins (3), pin (3) is perpendicular to the end face of driven gear (1) and is evenly distributed in mounting groove (4)；
Adjustment gear (2) be equipped with the one-to-one arcuate socket (5) of pin (3), arcuate socket (5) is stretched into the end of pin (3)
Interior, adjustment gear (2) is equipped with the retaining wall (6) extended towards mounting groove (4) bottom, retaining wall (6) interval corresponding with arcuate socket (5)
Setting, the quantity of retaining wall (6) are identical as the quantity of arcuate socket (5)；
In mounting groove (4), the compressed spring (7) in compressive state is equipped between pin (3) and retaining wall (6).
2. a kind of six-gear gearbox assembly according to claim 1, it is characterised in that：The shaft end of the driven gear (1)
Snap ring is set, so that the end face of adjustment gear (2) and the end face of driven gear (1) is fitted closely by snap ring.
3. a kind of six-gear gearbox assembly according to claim 1 or 2, it is characterised in that：The peace of the driven gear (1)
Multiple mounting holes (9) are uniformly distributed in tankage (4), mounting hole (9) is corresponded with pin (3), and pin (3) is fixedly mounted on peace
It fills in hole (9).
4. a kind of six-gear gearbox assembly according to claim 3, it is characterised in that：The pin (3) and mounting hole (9)
Using interference fit.
5. a kind of six-gear gearbox assembly according to claim 4, it is characterised in that：The adjustment gear (2) with it is passive
It is provided with corresponding location hole (10) on gear (1), is positioned for adjustment gear (2) and driven gear (1) installation.
6. a kind of six-gear gearbox assembly according to claim 5, it is characterised in that：The quantity of the pin (3) is three
It is a.
7. a kind of six-gear gearbox assembly according to claim 6, it is characterised in that：Gear on the adjustment gear (2)
Wall (6) is using stamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260080.2A CN108413014A (en) | 2018-03-27 | 2018-03-27 | A kind of six-gear gearbox assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260080.2A CN108413014A (en) | 2018-03-27 | 2018-03-27 | A kind of six-gear gearbox assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108413014A true CN108413014A (en) | 2018-08-17 |
Family
ID=63132603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810260080.2A Pending CN108413014A (en) | 2018-03-27 | 2018-03-27 | A kind of six-gear gearbox assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108413014A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483883A (en) * | 2022-03-10 | 2022-05-13 | 苏州金亿精密齿轮有限公司 | Backlash-free meshing gear |
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|---|---|---|---|---|
| CN2299755Y (en) * | 1997-03-13 | 1998-12-09 | 贵州黎阳航空发动机公司 | Direct gear buffer unit for speed variator |
| CN201475236U (en) * | 2009-08-28 | 2010-05-19 | 韶关宏大齿轮有限公司 | Vibration damping device for transmission case in idle state |
| CN101893083A (en) * | 2010-02-07 | 2010-11-24 | 吴为国 | Reduction box of aerator and impeller type aerator provided with reduction box |
| CN201747902U (en) * | 2009-10-22 | 2011-02-16 | 吴为国 | Combined reduction gearbox of waterwheel aerator |
| EP2410208A2 (en) * | 2010-07-23 | 2012-01-25 | Kwang Yang Motor Co., Ltd. | Motion transmitting apparatus having an oil-lubricated gear clearance eliminating device |
| CN202646599U (en) * | 2012-06-14 | 2013-01-02 | 韶能集团韶关宏大齿轮有限公司 | Gear drive idle speed oscillation damping device |
| CN103795183A (en) * | 2014-03-06 | 2014-05-14 | 北汽大洋电机科技有限公司 | Power assembly system |
| CN104358857A (en) * | 2014-11-26 | 2015-02-18 | 安徽江淮汽车股份有限公司 | Gear engagement pre-tightening structure of speed changing box |
| CN206072296U (en) * | 2016-09-14 | 2017-04-05 | 沈阳精力传动设备有限公司 | A kind of backlash gear mechanism |
| CN107191573A (en) * | 2017-07-11 | 2017-09-22 | 广东金兴机械股份有限公司 | A kind of gear mechanism for being capable of automatic regulating gap |
| CN208221555U (en) * | 2018-03-27 | 2018-12-11 | 宝鸡法士特齿轮有限责任公司 | A kind of six shift transmission assemblies |
-
2018
- 2018-03-27 CN CN201810260080.2A patent/CN108413014A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2299755Y (en) * | 1997-03-13 | 1998-12-09 | 贵州黎阳航空发动机公司 | Direct gear buffer unit for speed variator |
| CN201475236U (en) * | 2009-08-28 | 2010-05-19 | 韶关宏大齿轮有限公司 | Vibration damping device for transmission case in idle state |
| CN201747902U (en) * | 2009-10-22 | 2011-02-16 | 吴为国 | Combined reduction gearbox of waterwheel aerator |
| CN101893083A (en) * | 2010-02-07 | 2010-11-24 | 吴为国 | Reduction box of aerator and impeller type aerator provided with reduction box |
| EP2410208A2 (en) * | 2010-07-23 | 2012-01-25 | Kwang Yang Motor Co., Ltd. | Motion transmitting apparatus having an oil-lubricated gear clearance eliminating device |
| CN202646599U (en) * | 2012-06-14 | 2013-01-02 | 韶能集团韶关宏大齿轮有限公司 | Gear drive idle speed oscillation damping device |
| CN103795183A (en) * | 2014-03-06 | 2014-05-14 | 北汽大洋电机科技有限公司 | Power assembly system |
| CN104358857A (en) * | 2014-11-26 | 2015-02-18 | 安徽江淮汽车股份有限公司 | Gear engagement pre-tightening structure of speed changing box |
| CN206072296U (en) * | 2016-09-14 | 2017-04-05 | 沈阳精力传动设备有限公司 | A kind of backlash gear mechanism |
| CN107191573A (en) * | 2017-07-11 | 2017-09-22 | 广东金兴机械股份有限公司 | A kind of gear mechanism for being capable of automatic regulating gap |
| CN208221555U (en) * | 2018-03-27 | 2018-12-11 | 宝鸡法士特齿轮有限责任公司 | A kind of six shift transmission assemblies |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483883A (en) * | 2022-03-10 | 2022-05-13 | 苏州金亿精密齿轮有限公司 | Backlash-free meshing gear |
| CN114483883B (en) * | 2022-03-10 | 2024-04-12 | 苏州金亿精密齿轮有限公司 | Backlash-free meshing gear |
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