CN102808930A - Floating mechanism for spindle of transmission with double intermediate shafts - Google Patents
Floating mechanism for spindle of transmission with double intermediate shafts Download PDFInfo
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- CN102808930A CN102808930A CN2012102795288A CN201210279528A CN102808930A CN 102808930 A CN102808930 A CN 102808930A CN 2012102795288 A CN2012102795288 A CN 2012102795288A CN 201210279528 A CN201210279528 A CN 201210279528A CN 102808930 A CN102808930 A CN 102808930A
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- bearing
- outer ring
- main shaft
- spindle
- bearing outer
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Abstract
A floating mechanism for a spindle of a transmission with double intermediate shafts comprises the spindle connected with an input shaft. The tail end of the spindle is fixedly mounted on a bearing of an output shaft through an integral knuckle bearing unit; the integral knuckle bearing unit comprises a bearing outer ring, a self-locking spring and a ball joint rod; the bearing outer ring is positioned in an inner hole of the spindle and comprises two hemispheres which are separated from each other along an axis; the two hemispheres are fixedly connected integrally through the self-locking spring; a ball joint of the ball joint rod is mounted in a ball cavity of the bearing outer ring; the bearing outer ring is axially positioned through a knuckle bearing pressing ring; the knuckle bearing pressing ring is fixedly welded with an end of the spindle along a circumference; a rod body of the ball joint rod is connected with the output shaft through a locking nut in an axially positioned manner. The floating mechanism has the advantages that the bearing outer ring and the ball joint rod are assembled into an integral unit structure, and the floating mechanism is simple in structure and convenient to assemble, is not required to be adjusted, and can float flexibly, and the spindle can be accurately positioned axially.
Description
Technical field
The present invention uses relocation mechanism for a kind of twin countershaft transmission main shaft.
Background technique
Existing twin countershaft transmission, two countershaft assemblies are uneven to be carried in order overcoming, and main shaft must have unsteady; Present rear-end of spindle or be rigidly connected, otherwise rear-end of spindle relocation mechanism structure is scattered, and with the immediate existing technology of present technique scheme be: publication number is 201103674; Patent name is: speed changer is with the utility model patent of floating structure, and its rear end relocation mechanism structure is scattered, and assembling difficulty is difficult to guarantee assembly precision greatly; Therefore; Assembly process process is poor, and exists hinged bulb to be prone to clamping stagnation, the problem that causes main shaft to rupture because of clamping stagnation.
Summary of the invention
The present invention is directed to the deficiency of existing technology, provide a kind of simple in structure, be convenient to assembling, the twin countershaft transmission main shaft that floats flexibly is with the technological scheme of relocation mechanism.
The present invention realizes through following technical measures: a kind of twin countershaft transmission main shaft is used relocation mechanism; Comprise the main shaft that is connected with input shaft; The end of said main shaft is fixedly mounted on the bearing on the output shaft through integrated type joint shaft bearing unit, and the crucial bearing unit of said integrated type comprises bearing outer ring, self-locking spring, ball rod, and said bearing outer ring is positioned at said main shaft endoporus; Said bearing outer ring comprises two hemisphere splitting along axis; Said two hemisphere are connected to one through self-locking spring, and the bulb part of ball rod is installed in the said bearing outer ring ball chamber, and said bearing outer ring is through joint shaft bearing pressure ring axially locating; Said joint shaft bearing pressure ring is fixing along circumference and the welding of said spindle nose, and the shank portion of said ball rod is connected with said output shaft axially locating through locking nut.
Further improvement of the present invention also has, and is provided with filleted between the bulb part of above-mentioned ball rod and the shank portion, and said bulb part and filleted are processed with the induction hardening layer through induction hardening process.
The thickness of above-mentioned induction hardening layer is: 3-5mm.
Further improvement of the present invention also has, and the axial movement value of above-mentioned ball rod is 0.05-0.09mm.
Further improvement of the present invention also has, and the bearing pivot angle α of the crucial bearing unit of above-mentioned integrated type is 6 degree.
Further improvement of the present invention also has, and is provided with flying height between the lining of above-mentioned front-end of spindle and input shaft.
Beneficial effect of the present invention is: bearing outer ring and ball rod are assembled into integral cell structure, and be simple in structure, exempts from adjustment, is convenient to assembling characteristics, can realize floating flexibly, can realize the accurate location that main shaft is axial again.
Description of drawings
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the A portion structure for amplifying schematic representation among Fig. 1.
Fig. 3 is the structural representation of integrated type joint shaft bearing unit in the specific embodiment of the invention.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic representation of integrated type joint shaft bearing unit in the specific embodiment of the invention.
Fig. 5 is the cut-away illustration of ball rod in the specific embodiment of the invention.
Among the figure, 1, input shaft, 2, main shaft, 3, lining; 4, integrated type joint shaft bearing unit, 5, output shaft, 6, bearing, 7, bearing outer ring; 8, self-locking spring, 9, the bulb part, 10, shank portion, 11, the joint shaft bearing pressure ring; 12, locking nut, 13, filleted, 14, the induction hardening layer.
Embodiment
For clearly demonstrating the technical characterstic of this programme, through an embodiment, this programme is set forth below.
Like accompanying drawing; A kind of twin countershaft transmission main shaft is used relocation mechanism; Comprise the main shaft 2 that is connected with input shaft 1, be provided with flying height between the lining 3 of said main shaft 2 front ends and input shaft 1, the end of said main shaft 2 is fixedly mounted on the bearing 6 on the output shaft 5 through integrated type joint shaft bearing unit 4; The crucial bearing unit 4 of said integrated type comprises bearing outer ring 7, self-locking spring 8, ball rod; Said bearing outer ring 7 is positioned at said main shaft endoporus, and said bearing outer ring 7 comprises two hemisphere splitting along axis, and said two hemisphere are connected to one through self-locking spring 8; The bulb part 9 of ball rod is installed in the said bearing outer ring 7 ball chambeies; Said bearing outer ring 7 is through joint shaft bearing pressure ring 11 axially locating, and said joint shaft bearing pressure ring 11 is fixing along circumference and the welding of said main shaft 2 ends, and the shank portion 10 of said ball rod is connected with said output shaft 5 axially locating through locking nut 12.
Wherein, be provided with filleted 13 between the bulb part 9 of ball rod and the shank portion 10, said bulb part 9 is processed with induction hardening layer 14 with filleted 13 through induction hardening process, and the thickness of induction hardening layer 14 is 3-5mm.
The axial movement value of ball rod is 0.05-0.09mm, and the bearing pivot angle α of the crucial bearing unit of integrated type is 6 degree.
The present invention can pass through or adopt existing techniques in realizing without the technical characteristics of describing; Repeat no more at this; Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example; Variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present invention also should belong to protection scope of the present invention.
Claims (6)
1. a twin countershaft transmission main shaft is used relocation mechanism; Comprise the main shaft that is connected with input shaft, it is characterized in that the end of said main shaft is fixedly mounted on the bearing on the output shaft through integrated type joint shaft bearing unit; Said integrated type joint shaft bearing unit comprises bearing outer ring, self-locking spring, ball rod; Said bearing outer ring is positioned at said main shaft endoporus, and said bearing outer ring comprises two hemisphere splitting along axis, and said two hemisphere are connected to one through self-locking spring; The bulb part of ball rod is installed in the said bearing outer ring ball chamber; Said bearing outer ring is through joint shaft bearing pressure ring axially locating, and said joint shaft bearing pressure ring is fixing along circumference and the welding of said spindle nose, and the shank portion of said ball rod is connected with said output shaft axially locating through locking nut.
2. twin countershaft transmission main shaft according to claim 1 is used relocation mechanism; It is characterized in that; Be provided with filleted between the bulb part of said ball rod and the shank portion, said bulb part and filleted are processed with the induction hardening layer through induction hardening process.
3. twin countershaft transmission main shaft according to claim 2 is used relocation mechanism, it is characterized in that, the thickness of said induction hardening layer is: 3-5mm.
4. twin countershaft transmission main shaft according to claim 1 and 2 is used relocation mechanism, it is characterized in that, the axial movement value of said ball rod is 0.05-0.09mm.
5. twin countershaft transmission main shaft according to claim 1 and 2 is used relocation mechanism, it is characterized in that, the bearing pivot angle α of said integrated type joint shaft bearing unit is 6 degree.
6. twin countershaft transmission main shaft according to claim 1 is used relocation mechanism, it is characterized in that, is provided with flying height between the lining of said front-end of spindle and input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279528.8A CN102808930B (en) | 2012-08-08 | 2012-08-08 | Twin countershaft transmission main shaft relocation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279528.8A CN102808930B (en) | 2012-08-08 | 2012-08-08 | Twin countershaft transmission main shaft relocation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102808930A true CN102808930A (en) | 2012-12-05 |
| CN102808930B CN102808930B (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210279528.8A Active CN102808930B (en) | 2012-08-08 | 2012-08-08 | Twin countershaft transmission main shaft relocation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102808930B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0816715A1 (en) * | 1996-06-19 | 1998-01-07 | Eaton Corporation | System for preventing gear hopout in a compound transmission |
| CN201103674Y (en) * | 2007-09-14 | 2008-08-20 | 中国重汽集团济南技术中心有限公司 | Floating structure for speed transmission |
| CN201475263U (en) * | 2009-09-01 | 2010-05-19 | 中国重汽集团济南动力有限公司 | Novel transmission gear of heavy truck |
| CN202195039U (en) * | 2011-08-11 | 2012-04-18 | 中国重汽集团济南动力有限公司 | Novel spindle assembly structure with ball head and of double-countershaft gear box |
| CN202690981U (en) * | 2012-08-08 | 2013-01-23 | 中国重汽集团济南动力有限公司 | Floating mechanism for main shaft of twin countershaft transmission |
-
2012
- 2012-08-08 CN CN201210279528.8A patent/CN102808930B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0816715A1 (en) * | 1996-06-19 | 1998-01-07 | Eaton Corporation | System for preventing gear hopout in a compound transmission |
| CN201103674Y (en) * | 2007-09-14 | 2008-08-20 | 中国重汽集团济南技术中心有限公司 | Floating structure for speed transmission |
| CN201475263U (en) * | 2009-09-01 | 2010-05-19 | 中国重汽集团济南动力有限公司 | Novel transmission gear of heavy truck |
| CN202195039U (en) * | 2011-08-11 | 2012-04-18 | 中国重汽集团济南动力有限公司 | Novel spindle assembly structure with ball head and of double-countershaft gear box |
| CN202690981U (en) * | 2012-08-08 | 2013-01-23 | 中国重汽集团济南动力有限公司 | Floating mechanism for main shaft of twin countershaft transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102808930B (en) | 2016-03-16 |
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