CN106246879A - A kind of automotive transmission output shaft-assembling structure - Google Patents
A kind of automotive transmission output shaft-assembling structure Download PDFInfo
- Publication number
- CN106246879A CN106246879A CN201610763915.7A CN201610763915A CN106246879A CN 106246879 A CN106246879 A CN 106246879A CN 201610763915 A CN201610763915 A CN 201610763915A CN 106246879 A CN106246879 A CN 106246879A
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- CN
- China
- Prior art keywords
- cone bearing
- bearing
- output shaft
- pad
- rear cone
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- 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.)
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Classifications
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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
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/0018—Shaft assemblies for gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Support Of The Bearing (AREA)
Abstract
nullThe present invention relates to a kind of measurement and be relatively easy to automotive transmission output shaft-assembling structure，Front cone bearing、Bearing spacer、Rear cone bearing is assemblied in the pilot hole of variator rear box the most successively，The left part of output shaft is from right to left through front cone bearing、Within bearing spacer and the endoporus of rear cone bearing outside stretching out in rear cone bearing and the left side of its limiting section are positioned at the rear cone bearing inner ring of rear cone bearing，Adjust pad、Pad positioning shaft sleeve and locking member are assemblied in the outwardly directed left part of output shaft and adjust pad the most successively and be radially disposed in rear cone bearing inner ring，It is axially located between the left side of the limiting section of output shaft and the right side of pad positioning shaft sleeve，Adjust pad and output shaft radial clearance fit，Described pad positioning shaft sleeve and output shaft radial clearance fit，The small end of front cone bearing and rear cone bearing is in opposite directions.
Description
Technical field
The present invention relates to automotive transmission assembling structure, be specifically related to a kind of automotive transmission output shaft-assembling structure.
Background technology
See Fig. 1, a kind of automotive transmission output shaft-assembling structure common on market, its front cone bearing 2 and rear axis of cone
Hold the large awl end of 3 and be respectively supported at before variator rear box 8 and variator among the pilot hole of casing 9 opposite to each other, output shaft 1 liang
End is assemblied among the endoporus of front cone bearing 2 and rear cone bearing 3, in the right side of variator rear box 8 pilot hole with front respectively
Adjustment pad 5 it is equipped with between the left side of cone bearing 2.Its assembling process is, first by other part in addition to adjusting pad 5
It is assembled together shown in Fig. 1, the most front cone bearing 2, rear cone bearing 3 and output shaft 1 is assembled together, then by the front axis of cone
Hold 2 and rear cone bearing 3 be respectively supported at before variator rear box 8 and variator among the pilot hole of casing 9；Then, by speed change
Before device, the right lower end surface of the lower-left end face of casing 9 and variator rear box 8 compresses, and the left side of cone bearing 3 after measuring respectively
And the left side axial distance S2 between the lower-left end face of casing 9 and the pilot hole right side of variator rear box 8 before variator
With the right side axial distance S3 of the lower-left end face of casing before variator 9, then calculate left side axial distance S2 and right side
This difference S1 of difference S1(of the difference of axial distance S3 reflects the pretension value of front cone bearing 2 and rear cone bearing 3, is also selected
Adjust the reference value of the axially value of pad 5, lower same), and it is less than this difference S1 by 0.1 to select its axial dimension according to this difference S1
The adjustment pad 5 of millimeter, and by front cone bearing 2 and rear cone bearing 3, and output shaft 1 is pulled down, and adjustment pad 5 is assemblied in change
Among the pilot hole of speed device rear box 8, then by front cone bearing 2 and rear cone bearing 3, and output shaft 1 is carried out again according to above-mentioned
Assembling.
From the foregoing, there is following defect in the automotive transmission output shaft-assembling structure of prior art；
1, double measurement to be passed through, once calculate, just can draw the pretension value reflecting front cone bearing 2 and rear cone bearing 3
Difference S1, measures more complicated, and double measurement has cumulative errors, and certainty of measurement is poor.
2, need front cone bearing 2 and rear cone bearing 3, and after output shaft 1 is first assembled together and be assemblied in variator
Just can carry out double measurement after casing 9 before rear box 8 and variator, once calculate, draw difference S1, selected adjustment pad 5
After, need front cone bearing 2 and rear cone bearing 3, and output shaft 1 casing 9 before variator rear box 8 and variator is pulled down also
After adjustment pad 5 is assembled, repeat front cone bearing 2 and rear cone bearing 3, and output shaft 1 is assemblied in variator rear box 8
With on casing before variator 9, assembling process is loaded down with trivial details, wastes time and energy.
3, the pretightning force of front cone bearing 2 and rear cone bearing 3 applies carrier is variator rear box 8, and variator rear box 8 leads to
Being often aluminium alloy, stress deformation is big, causes the actual pretension amount of front cone bearing 2 and rear cone bearing 3 to control the most accurate.
4, when adjustment pad 5 assembles with rear cone bearing 3 and variator rear box 8 three, adjustment pad 5 easily glances off leads
Cone bearing 3 and variator rear box 8 guide-localization difficulty after cause, assembling is poor.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of measurement and is relatively easy to automotive transmission output shaft assembling knot
Structure.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that；
A kind of automotive transmission output shaft-assembling structure, including；Output shaft, front cone bearing, comprise the rear cone of rear cone bearing inner ring
Bearing, adjust pad and be provided with the variator rear box of pilot hole, it is characterised in that: also include bearing spacer, pad locating shaft
Set and locking member,
Described output shaft is provided with limiting section,
Described adjustment pad is provided with installing hole,
Pilot hole on described variator rear box is through hole,
Described front cone bearing, bearing spacer, rear cone bearing are assemblied in the pilot hole of variator rear box the most successively,
The left part of described output shaft passes front cone bearing, bearing spacer and the endoporus of rear cone bearing from left to right and stretches out in
Within outside rear cone bearing and the left side of its limiting section is positioned at the rear cone bearing inner ring of rear cone bearing, described adjustment pad, pad
Sheet positioning shaft sleeve and locking member are assemblied in the outwardly directed left part of gear shaft and adjust pad radially the most successively
It is positioned at rear cone bearing inner ring, is axially located between the left side of the limiting section of output shaft and the right side of pad positioning shaft sleeve,
Described adjustment pad and output shaft radial clearance fit, described pad positioning shaft sleeve and output shaft radial clearance fit, described before
The small end of cone bearing and rear cone bearing is in opposite directions.
Further, described front cone bearing also includes that inner cone bearing outer ring, described rear cone bearing also include outside rear cone bearing
Circle, the inner cone bearing outer ring of described front cone bearing and the rear cone bearing outer ring of rear cone bearing are rigidly connected with bearing spacer.
Yet further, described bearing spacer is made up of steel.
Further, described bearing spacer is made up of 65Mn steel or 20CrMnTi steel.
Further, described locking member is locking nut.
Compared with prior art, the present invention comprises following beneficial effect:
1, can be by the reality between left side and the pad positioning shaft sleeve right side of the disposable limiting section measuring output shaft
Distance value (this actual distance value reflects the pretension amount of front cone bearing and rear cone bearing, lower with) is selected axial dimension and can be accorded with
Close the adjustment pad of the pretension amount of front cone bearing and rear cone bearing, it is to avoid add up by mistake produced by double measurement of the prior art
Difference, it is achieved the accurate control to the pretension amount of front cone bearing and rear cone bearing, measurement is easier, the control of pretension amount is more smart
Really.
2, hold adjustment pad to be locked by locking member, solve and adjust the assembling difficult problem that pad deflection produces.
3, whole pad is installed have only to unload lower gasket positioning shaft sleeve and locking member.Thus dismounting, assemble fairly simple easily,
And it is relatively low to save manpower and time, equipment adjustment cost.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of prior art automotive transmission output shaft-assembling structure；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the rigging position schematic diagram adjusting pad；
Fig. 4 is the structural representation of front cone bearing；
Fig. 5 is the structural representation of rear cone bearing.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiment of the present invention is elaborated；
See Fig. 2 to Fig. 5, the automotive transmission output shaft-assembling structure of the present invention, including；Output shaft 1, front cone bearing 2, comprise
The rear cone bearing 3 of rear cone bearing inner ring c, adjust pad 5 and be provided with the variator rear box 8 of pilot hole e.Can by Fig. 2 to Fig. 5
Knowing, present invention additionally comprises bearing spacer 4, pad positioning shaft sleeve 6 and locking member 7, described output shaft 1 is provided with limiting section 1-1, institute
Stating adjustment pad 5 and being provided with installing hole 5-1, the pilot hole e on described variator rear box 8 is through hole, described front cone bearing 2,
Bearing spacer 4, rear cone bearing 3 are assemblied in the pilot hole e of variator rear box 8 the most successively, a left side for described output shaft 1
Side part from right to left through front cone bearing 2, bearing spacer 4 and the endoporus of rear cone bearing 3 and outside stretching out in rear cone bearing 3 and
Within the left side of its limiting section 1-1 is positioned at the rear cone bearing inner ring c of rear cone bearing 3, described adjustment pad 5, pad locating shaft
It is protruding in the left part of rear cone bearing 3 and adjusting pad that set 6 and locking member 7 are assemblied in output shaft 1 the most successively
Sheet 5 is radially disposed in rear cone bearing inner ring c, is axially located left side and the pad positioning shaft sleeve 6 of the limiting section 1-1 of gear shaft 1
Right side between, described adjustment pad 5 and output shaft 1 radial clearance fit, described pad positioning shaft sleeve 6 and output shaft 1 footpath
To matched in clearance, the small end of described front cone bearing 2 and rear cone bearing 3 is in opposite directions.So, it becomes possible to will except adjust pad 5 it
Other outer part is first according to the Standard of the present invention shown in Fig. 2 and puts in place, then measures the limiting section 1-1 of output shaft 1
Left side and pad positioning shaft sleeve 6 right side between this actual distance value S4 of actual distance value S4(reflect front cone bearing 2
With the pretension amount of rear cone bearing 3, lower with), and according to this actual distance value select its axial dimension less than this actual distance value about
The adjustment pad 5 of 0.1 millimeter, then take off pad positioning shaft sleeve 6 and locking member 7, selected adjustment pad 5 is assembled to such as Fig. 2
Shown position, assembles pad positioning shaft sleeve 6 and locking member 7 and puts in place and tighten, completing to assemble and front cone bearing 2 and
The control of the pretension amount of rear cone bearing 3.Visible, the present invention can reflect front cone bearing 2 and the rear axis of cone by disposable measurement
Hold the actual range between left side and the right side of pad positioning shaft sleeve 6 of the limiting section 1-1 of the gear shaft 1 of the pretension amount of 3
Value S4 disposably selectes the adjustment pad 5 that axial dimension can meet the pretension amount of front cone bearing 2 and rear cone bearing 3, not only
Avoid the cumulative errors that prior art repetitive measurement produces, it is achieved accurate to the pretension amount of front cone bearing 2 and rear cone bearing 3
Control.And, it is fairly simple, easy to measure.Meanwhile, the installation making adjustment pad 5 is the most more convenient easily.Additionally, by pad
Sheet positioning shaft sleeve 6 and locking member 7 locking adjust pad 5, also solve and adjust the produced assembling of pad 5 deflection in prior art
The problem of difficulty.It is radially disposed in rear cone bearing inner ring c further, adjust pad 5, is axially located the limiting section 1-1's of output shaft 1
Between the right side of left side and pad positioning shaft sleeve 6, adjust pad 5 in the radial and axial location that all suffers restraints.This just advises
Keep away adjustment pad 5 in prior art and be placed on the left side of the right side of rear cone bearing 3 and the pilot hole of variator rear box 8
Between, adjust moving radially of pad 5 the most restricted, and may deflection the rear cone bearing outer ring radially beyond rear cone bearing 3
D, the problem that the variator rear box 8 caused assembles difficulty.
From Fig. 2 to Fig. 5, described front cone bearing 2 also includes inner cone bearing outer ring b, after described rear cone bearing 3 also includes
Cone bearing outer ring d, the inner cone bearing outer ring b of described front cone bearing 2 and the rear cone bearing outer ring d of rear cone bearing 3 and bearing spacer 4
It is rigidly connected, i.e. end contact between them.So, so that it may so that the screwing force of locking member 7 is by pad positioning shaft sleeve 6
It is transferred to rear cone bearing 3 and adjusts pad 5.Thus, it is possible to by selecting to adjust the thickness of pad 5, cone bearing 3 after can controlling
The amount of moving left and right, reach rationally to select the purpose of pretension amount.
Described bearing spacer 4 is made up of steel.This makes the rigidity of bearing spacer 4 preferably, deforms less, beneficially inner cone
Bearing 2 and the accurate control of rear cone bearing 3 pretension amount.
Described bearing spacer 4 can be made up of 65Mn steel or 20CrMnTi steel.This makes the rigidity of bearing spacer 4 more
Good, deform less, be more beneficial for the accurate control of front cone bearing 2 and rear cone bearing 3 pretension amount.
From Fig. 2 to Fig. 5, described locking member 7 is locking nut.This makes relatively simple for structure, the processing of locking member 7
Manufacture is easier, reliable lock, is unlikely to deform and comes off.
Present invention assembling and the process of adjustment are as follows；
1, being fitted on output shaft 1 by front cone bearing 2, bearing spacer 4 empty set contacts on output shaft 11 and with front cone bearing 2.
2, rear cone bearing 3 it is fitted on output shaft 1 and contacts with bearing spacer 4.
3, by the reality between left side and the right side of pad positioning shaft sleeve 6 of the limiting section 1-1 of measurement output shaft 1
Distance value S4, contacts in selection required adjustment pad 5 empty set to output shaft 1 and with pad positioning shaft sleeve 6, will by locking member 7
Above-mentioned all parts are tightened, and now the screwing force of locking member 7 is transferred to rear cone bearing 3 and adjusting pad by pad positioning shaft sleeve 6
Sheet 5.Therefore by selecting to adjust the thickness of pad 5, the amount of moving left and right of cone bearing after can controlling, reach rationally to select pretension
The purpose of amount.
4, finally by the pilot hole e of above-mentioned all part entirety press-in variator rear box 8, assembling is completed.
Above in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated, but the present invention is not limited to above-mentioned
Embodiment, in the ken that art those of ordinary skill is possessed, it is also possible to without departing from ancestor of the present invention
On the premise of purport, various changes can be made.
Claims (5)
1. an automotive transmission output shaft-assembling structure, including；Output shaft (1), front cone bearing (2), comprise in rear cone bearing
Enclose the rear cone bearing (3) of (c), adjust pad (5) and be provided with the variator rear box (8) of pilot hole (e), it is characterised in that: also
Including bearing spacer (4), pad positioning shaft sleeve (6) and locking member (7),
Described output shaft (1) is provided with limiting section (1-1),
Described adjustment pad (5) is provided with installing hole (5-1),
Pilot hole (e) on described variator rear box (8) is through hole,
Described front cone bearing (2), bearing spacer (4), rear cone bearing (3) are assemblied in variator rear box (8) the most successively
Pilot hole (e) in,
The left part of described output shaft (1) is from right to left through front cone bearing (2), bearing spacer (4) and rear cone bearing (3)
Endoporus outside stretching out in rear cone bearing (3) and the left side of its limiting section (1-1) are positioned at the rear cone bearing of rear cone bearing (3)
Within inner ring (c), described adjustment pad (5), pad positioning shaft sleeve (6) and locking member (7) are assemblied in output the most successively
In axle (1) outwardly directed left part and adjust in pad (5) is radially disposed in rear cone bearing inner ring (c), it is axially located output
Between left side and the right side of pad positioning shaft sleeve (6) of the limiting section (1-1) of axle (1), described adjustment pad (5) and output
Axle (1) radial clearance fit, described pad positioning shaft sleeve (6) and gear shaft (1) radial clearance fit, described front cone bearing (2)
With the small end of rear cone bearing (3) in opposite directions.
Automotive transmission the most according to claim 1 output shaft-assembling structure, is characterized in that: described front cone bearing (2) is also
Including inner cone bearing outer ring (b), described rear cone bearing (3) also includes rear cone bearing outer ring (d), before described front cone bearing (2)
Rear cone bearing outer ring (d) of cone bearing outer ring (b) and rear cone bearing (3) is rigidly connected with bearing spacer (4).
Automotive transmission the most according to claim 1 output shaft-assembling structure, it is characterized in that: described bearing spacer (4) by
Steel are made.
Automotive transmission the most according to claim 3 output shaft-assembling structure, it is characterized in that: described bearing spacer (4) by
65Mn steel or 20CrMnTi steel are made.
Automotive transmission the most according to any one of claim 1 to 4 output shaft-assembling structure, is characterized in that: described lock
Tight part (7) is locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763915.7A CN106246879B (en) | 2016-08-30 | 2016-08-30 | A kind of automotive transmission output shaft-assembling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610763915.7A CN106246879B (en) | 2016-08-30 | 2016-08-30 | A kind of automotive transmission output shaft-assembling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246879A true CN106246879A (en) | 2016-12-21 |
| CN106246879B CN106246879B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610763915.7A Active CN106246879B (en) | 2016-08-30 | 2016-08-30 | A kind of automotive transmission output shaft-assembling structure |
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| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6478709B1 (en) * | 2000-07-17 | 2002-11-12 | Spicer Technology, Inc. | Axle end play adjustment systems and methods |
| CN201843901U (en) * | 2010-07-26 | 2011-05-25 | 陕西重型汽车有限公司 | Bearing clearance adjusting device for balance shaft of heavy-duty truck |
| CN104763799A (en) * | 2015-03-28 | 2015-07-08 | 盛瑞传动股份有限公司 | Output shaft support device for automatic gearbox |
| CN105570438A (en) * | 2016-03-17 | 2016-05-11 | 重庆青山工业有限责任公司 | Main shaft mounting structure of rear-drive transmission |
| CN206159440U (en) * | 2016-08-30 | 2017-05-10 | 重庆青山工业有限责任公司 | Automotive transmission output shaft assembly structure |
-
2016
- 2016-08-30 CN CN201610763915.7A patent/CN106246879B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6478709B1 (en) * | 2000-07-17 | 2002-11-12 | Spicer Technology, Inc. | Axle end play adjustment systems and methods |
| CN201843901U (en) * | 2010-07-26 | 2011-05-25 | 陕西重型汽车有限公司 | Bearing clearance adjusting device for balance shaft of heavy-duty truck |
| CN104763799A (en) * | 2015-03-28 | 2015-07-08 | 盛瑞传动股份有限公司 | Output shaft support device for automatic gearbox |
| CN105570438A (en) * | 2016-03-17 | 2016-05-11 | 重庆青山工业有限责任公司 | Main shaft mounting structure of rear-drive transmission |
| CN206159440U (en) * | 2016-08-30 | 2017-05-10 | 重庆青山工业有限责任公司 | Automotive transmission output shaft assembly structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246879B (en) | 2019-11-26 |
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