CN108953515A - A kind of auxiliary support mechanism for speed changer planetary mechanism assembly - Google Patents
A kind of auxiliary support mechanism for speed changer planetary mechanism assembly Download PDFInfo
- Publication number
- CN108953515A CN108953515A CN201811107149.4A CN201811107149A CN108953515A CN 108953515 A CN108953515 A CN 108953515A CN 201811107149 A CN201811107149 A CN 201811107149A CN 108953515 A CN108953515 A CN 108953515A
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- Prior art keywords
- auxiliary support
- transmission
- card
- shaft
- auxiliary
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
-
- 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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of auxiliary support mechanisms for speed changer planetary mechanism assembly, it is located at the input shaft adjacent of the output shaft of basic transmission and auxiliary transmission in planetary mechanism assembly, auxiliary support mechanism includes Auxiliary support bearing, first card-bit part and the second card-bit part, Auxiliary support bearing includes inner ring, outer ring and ball disposed between the inner ring and the outer ring, inner ring is set on the output shaft of basic transmission, first card-bit part and the second card-bit part are set on the output shaft of basic transmission, the side of first card-bit part and inner ring offsets, the other side of second card-bit part and inner ring offsets, the input shaft clearance fit of outer ring and auxiliary transmission.Auxiliary support mechanism of the invention can make auxiliary transmission obtain optimal centering, keep the transmitting between basic transmission and auxiliary transmission more stable, effectively make up the deficiency of precision in manufacture, it reduces because of cumulative errors caused by machining accuracy and assembly, to reduce the spoilage of equipment, the service life of equipment is improved.
Description
Technical field
The present invention relates to technical field of automobile transmission, specifically, in particular to a kind of total for speed changer planetary mechanism
At auxiliary support mechanism.
Background technique
Currently, commercial vehicle uses assemble multi-gear gearshift mostly both at home and abroad, auxiliary transmission uses planetary transmission structure skill
Art it is also more and more, due to the particularity of planetary mechanism assembly cantilever design, external product is in planetary structure auxiliary transmission
Planetary mechanism assembly part geometric tolerance, cooperate the requirement of precision very high, but apply at home, light commercial vehicle
Speed changer, because by manufacture, use and cost of serving are restricted, domestic machining accuracy and external machining accuracy have difference, therefore
Economic accuracy can only be generallyd use at home.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the prior art at least to a certain extent.In view of this,
The present invention need to provide it is a kind of auxiliary transmission can be made to obtain optimal centering, make transmitting between basic transmission and auxiliary transmission more
Steadily, the deficiency of precision in manufacture is effectively made up, reduces because of cumulative errors caused by machining accuracy and assembly, is set to reduce
Standby spoilage improves the auxiliary support mechanism for speed changer planetary mechanism assembly of the service life of equipment.
The present invention provides a kind of auxiliary support mechanism for speed changer planetary mechanism assembly, is located in planetary mechanism assembly
The output shaft of basic transmission and the input shaft adjacent of auxiliary transmission, the auxiliary support mechanism include Auxiliary support bearing,
One card-bit part and the second card-bit part, the Auxiliary support bearing include inner ring, outer ring and be located at the inner ring and the outer ring it
Between ball, the inner ring is set on the output shaft of the basic transmission, first card-bit part and second card-bit part
It is set on the output shaft of the basic transmission, the side of first card-bit part and the inner ring offsets, second detent
The other side of part and the inner ring offsets, the input shaft clearance fit of the outer ring and the auxiliary transmission.
According to one embodiment of present invention, the basic transmission further include be set on the output shaft and with it is described defeated
The output gear of shaft engagement connection.
According to one embodiment of present invention, the auxiliary transmission include planet carrier, shaft, planetary gear, support base and after
Shell, the planet carrier and the outer ring clearance fit, the shaft is connect with the planet carrier and the two is spaced apart from each other and opens up
It sets, the output axis connection of the shaft and the basic transmission, the planetary gear and output gear engaged transmission are even
It connects, the planetary gear is connect with the planet carrier and the shaft respectively by planet wheel spindle, the support base and the rear shell
Body is successively socketed in the shaft, and the support base is arranged close to the planetary gear.
According to one embodiment of present invention, the Auxiliary support bearing is deep groove ball bearing.
According to one embodiment of present invention, between the shaft and the support base be equipped with first bearing, described first
Bearing is socketed in the shaft.
According to one embodiment of present invention, second bearing is equipped between the shaft and the back casing.
According to one embodiment of present invention, first card-bit part and second card-bit part are and the output shaft
The circlip to match.
According to one embodiment of present invention, the second bearing is thrust ball bearing.
According to one embodiment of present invention, the auxiliary transmission is the combined type multi gear automobile of planetary transmission structure technology
Speed changer.
A kind of auxiliary support mechanism for speed changer planetary mechanism assembly of the invention, basic transmission output shaft and
Auxiliary support mechanism is arranged in the input shaft adjacent of auxiliary transmission, and auxiliary support mechanism is to be set on the output shaft of basic transmission
Auxiliary support bearing and the first card-bit part and the second card-bit part for detent in the inner ring two sides of Auxiliary support bearing, lead to
The setting of auxiliary support mechanism is crossed, auxiliary transmission can be made to obtain optimal centering, make the biography between basic transmission and auxiliary transmission
Pass it is more stable, effectively make up manufacture in precision deficiency, reduce because machining accuracy and assembly caused by cumulative errors, to drop
The spoilage of low equipment improves the service life of equipment.
Detailed description of the invention
Fig. 1 is a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to an embodiment of the invention
Structural schematic diagram.
Fig. 2 is a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to an embodiment of the invention
Partial enlarged view.
Appended drawing reference: 1- basic transmission；2- auxiliary transmission；3- auxiliary support mechanism；11- output shaft；12- output gear；
21- planet carrier；22- shaft；23- planetary gear；24- support base；25- back casing；26- planet wheel spindle；27- first bearing；28-
Two bearings；31- Auxiliary support bearing；The first card-bit part of 32-；The second card-bit part of 33-；311- inner ring；The outer ring 312-；313- rolling
Pearl.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As depicted in figs. 1 and 2, a kind of auxiliary support mechanism for speed changer planetary mechanism assembly, is located at planetary mechanism
The input shaft adjacent of the output shaft 11 of basic transmission 1 and auxiliary transmission 2 in assembly, auxiliary support mechanism 3 include Auxiliary support
Bearing 31, the first card-bit part 32 and the second card-bit part 33, Auxiliary support bearing 31 include inner ring 311, outer ring 312 and are located at inner ring
Ball 313 between 311 and outer ring 312, inner ring 311 are set on the output shaft 1 of basic transmission 1, the first card-bit part 32 and
Two card-bit parts 33 are set on the output shaft 11 of basic transmission 1, and the side of the first card-bit part 32 and inner ring 311 offsets, the second card
Position part 33 and the other side of inner ring 311 offset, the input shaft clearance fit of outer ring 312 and auxiliary transmission 2.
A kind of auxiliary support mechanism for speed changer planetary mechanism assembly of the invention, in the output shaft of basic transmission 1
11 and auxiliary transmission 2 input shaft adjacent be arranged auxiliary support mechanism 3, auxiliary support mechanism 3 is to be set in basic transmission 1
Auxiliary support bearing 31 on output shaft 11 and the first detent for detent in 311 two sides of inner ring of Auxiliary support bearing 31
Part 32 and the second card-bit part 33 can make auxiliary transmission 2 obtain optimal centering, make main transformer by the setting of auxiliary support mechanism 3
Transmitting between fast device 1 and auxiliary transmission 2 is more stable, effectively makes up the deficiency of precision in manufacture, reduces because of machining accuracy and dress
With generated cumulative errors, to reduce the spoilage of equipment, the service life of equipment is improved.
As shown in Figure 1, basic transmission 1 further includes the output gear for being set on output shaft 11 and engaging with output shaft 11 connection
12 are taken turns, wherein 23 engaged transmission of planetary gear in output gear 12 and auxiliary transmission 2, to realize basic transmission 1 and secondary change
Linkage between fast device 2.
As depicted in figs. 1 and 2, auxiliary transmission 2 includes planet carrier 21, shaft 22, planetary gear 23, support base 24 and back casing
25, planet carrier 21 and 312 clearance fit of outer ring, shaft 22 is connect with planet carrier 21 and the two is spaced from each other setting, shaft 22
It is connect with the output shaft 11 of main transformer speed 1, planetary gear 23 is connected by meshing transmission with output gear 12, and planetary gear 23 passes through planet wheel spindle
26 connect with planet carrier 21 and shaft 22 respectively, and support base 24 and 25 body of rear shell are successively socketed in shaft 22, and support base 24 leans on
Nearly planetary gear 23 is arranged, it is to be understood that the manufacture of planet carrier 21, shaft 22, planetary gear 23, support base 24 and back casing 25
Requirement on machining accuracy is lower in the process, to cause planet carrier 21, shaft 22, planetary gear 23, support base 24 and back casing 25
Between cumulative errors in assembling process gradually increase, and the setting of Auxiliary support bearing 31 can effectively make up auxiliary transmission 2
The deficiency of precision in middle manufacture reduces the cumulative errors of auxiliary transmission 2, so that the transmission between basic transmission 1 and auxiliary transmission 2
It is more steady, reduce the breakage and failure rate of equipment.
As shown in Fig. 2, Auxiliary support bearing 31 is deep groove ball bearing, deep groove ball bearing one side use cost is low, another
Aspect makes auxiliary transmission 2 obtain optimal centering, keeps the transmitting between basic transmission 1 and auxiliary transmission 2 more stable, effectively
The deficiency of precision in manufacture is made up, is reduced because of cumulative errors caused by machining accuracy and assembly.
As shown in Figure 1, being equipped with first bearing 27 between shaft 22 and support base 24, first bearing 27 is socketed in shaft 22
On, second bearing 28 is equipped between shaft 22 and back casing 25, second bearing 28 is thrust ball bearing, it is to be understood that the
One bearing 27 is the deep groove ball bearing different from 31 model of Auxiliary support bearing, and support base 24 floats in the deep groove ball bearing
On, and there are gaps with support base 24 for the outer ring of the deep groove ball bearing, in the flexible mechanism in the outside of support base 24, elastic mechanism
The elasticity pressing of support base 24 is realized into first device in auxiliary transmission 2 so that outer ring has certain resiliency on outer ring
The floating of part, for car body when shaking or jolting, the gap between support base 24 and deep groove ball bearing can effectively prevent support base
24 damage improves the service life of support base 24.
As depicted in figs. 1 and 2, the first card-bit part 32 and the second card-bit part 33 are 11 phase of output shaft with main transformer speed 1
The circlip matched, it is to be understood that the use cost of circlip is lower, and can firmly stablize Auxiliary support bearing 31 in main transformer
On the output shaft 11 of fast device 1, be further able to that auxiliary transmission 2 is made to obtain optimal centering, make basic transmission 1 and auxiliary transmission 2 it
Between transmitting it is more stable.
As shown in Figure 1, auxiliary transmission 2 is the combined type multi gear automotive transmission of planetary transmission structure technology.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (9)
1. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly, it is located at the defeated of basic transmission in planetary mechanism assembly
The input shaft adjacent of shaft and auxiliary transmission, which is characterized in that the auxiliary support mechanism includes Auxiliary support bearing, first
Card-bit part and the second card-bit part, the Auxiliary support bearing include inner ring, outer ring and are located between the inner ring and the outer ring
Ball, the inner ring is set on the output shaft of the basic transmission, first card-bit part and the second card-bit part set
It is located on the output shaft of the basic transmission, the side of first card-bit part and the inner ring offsets, second card-bit part
It offsets with the other side of the inner ring, the input shaft clearance fit of the outer ring and the auxiliary transmission.
2. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to claim 1, which is characterized in that
The basic transmission further includes the output gear for being set on the output shaft and engaging with the output shaft connection.
3. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to claim 2, which is characterized in that
The auxiliary transmission includes planet carrier, shaft, planetary gear, support base and back casing, and the planet carrier is matched with the outer ring gap
It closes, setting that the shaft is connect with the planet carrier and the two is spaced from each other, the shaft is described with the basic transmission
Export axis connection, the planetary gear is connected by meshing transmission with the output gear, the planetary gear pass through planet wheel spindle respectively with
The planet carrier is connected with the shaft, and the support base and the back casing are successively socketed in the shaft, the support
Seat against the nearly planetary gear setting.
4. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to any one of claim 1 to 3,
It is characterized in that, the Auxiliary support bearing is deep groove ball bearing.
5. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to any one of claim 3 to 4,
It is characterized in that, being equipped with first bearing between the shaft and the support base, the first bearing is socketed in the shaft.
6. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to claim 3, which is characterized in that
Second bearing is equipped between the shaft and the back casing.
7. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to claim 1, which is characterized in that
First card-bit part and second card-bit part are the circlip to match with the output shaft.
8. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to claim 6, which is characterized in that
The second bearing is thrust ball bearing.
9. a kind of auxiliary support mechanism for speed changer planetary mechanism assembly according to claim 1, which is characterized in that
The auxiliary transmission is the combined type multi gear automotive transmission of planetary transmission structure technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107149.4A CN108953515A (en) | 2018-09-21 | 2018-09-21 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811107149.4A CN108953515A (en) | 2018-09-21 | 2018-09-21 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108953515A true CN108953515A (en) | 2018-12-07 |
Family
ID=64471517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811107149.4A Pending CN108953515A (en) | 2018-09-21 | 2018-09-21 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108953515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112379A (en) * | 2021-11-19 | 2022-03-01 | 中国直升机设计研究所 | Method for quickly replacing fault test piece at output end of main speed reducer without deviation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025815A (en) * | 2006-07-25 | 2008-02-07 | Sumitomo Heavy Ind Ltd | Planetary gear device |
| CN102052453A (en) * | 2010-12-23 | 2011-05-11 | 浙江长泰机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of planetary transmission pair speed changer of automobile speed changer |
| CN203727171U (en) * | 2014-03-12 | 2014-07-23 | 湖北省丹江口丹传汽车传动轴有限公司 | Intermediate bearing assembly for transmission shaft of heavy duty truck |
| JP2014152921A (en) * | 2013-02-13 | 2014-08-25 | Sumitomo Heavy Ind Ltd | Planetary gear device |
| CN104373562A (en) * | 2014-11-24 | 2015-02-25 | 中国地质大学（武汉） | Lubricating planet wheel gearbox secondary box |
| CN208982613U (en) * | 2018-09-21 | 2019-06-14 | 浙江长泰机械有限公司 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
-
2018
- 2018-09-21 CN CN201811107149.4A patent/CN108953515A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008025815A (en) * | 2006-07-25 | 2008-02-07 | Sumitomo Heavy Ind Ltd | Planetary gear device |
| CN102052453A (en) * | 2010-12-23 | 2011-05-11 | 浙江长泰机械有限公司 | Auxiliary supporting structure for planetary mechanism assembly of planetary transmission pair speed changer of automobile speed changer |
| JP2014152921A (en) * | 2013-02-13 | 2014-08-25 | Sumitomo Heavy Ind Ltd | Planetary gear device |
| CN203727171U (en) * | 2014-03-12 | 2014-07-23 | 湖北省丹江口丹传汽车传动轴有限公司 | Intermediate bearing assembly for transmission shaft of heavy duty truck |
| CN104373562A (en) * | 2014-11-24 | 2015-02-25 | 中国地质大学（武汉） | Lubricating planet wheel gearbox secondary box |
| CN208982613U (en) * | 2018-09-21 | 2019-06-14 | 浙江长泰机械有限公司 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112379A (en) * | 2021-11-19 | 2022-03-01 | 中国直升机设计研究所 | Method for quickly replacing fault test piece at output end of main speed reducer without deviation |
| CN114112379B (en) * | 2021-11-19 | 2023-05-23 | 中国直升机设计研究所 | Quick and unbiased main speed reducer output end fault test piece replacement method |
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