CN102808930B - Twin countershaft transmission main shaft relocation mechanism - Google Patents
Twin countershaft transmission main shaft relocation mechanism Download PDFInfo
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- CN102808930B CN102808930B CN201210279528.8A CN201210279528A CN102808930B CN 102808930 B CN102808930 B CN 102808930B CN 201210279528 A CN201210279528 A CN 201210279528A CN 102808930 B CN102808930 B CN 102808930B
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- outer ring
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- main shaft
- bearing outer
- shaft
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Abstract
A kind of twin countershaft transmission main shaft relocation mechanism, comprise the main shaft be connected with input shaft, described main the tip of the axis is fixedly mounted on the bearing on output shaft by integrated type joint shaft bearing unit, integrated type joint shaft bearing unit comprises bearing outer ring, self-locking spring, ball rod, bearing outer ring is positioned at described inner hole of spindle, bearing outer ring comprises two hemisphere split along axis, two hemisphere are connected to one by self-locking spring, the bulb part of ball rod is installed in bearing outer ring ball chamber, described bearing outer ring is by joint shaft bearing pressure ring axially locating, described joint shaft bearing pressure ring is circumferentially welded and fixed with described spindle nose, the shank portion of described ball rod is connected with described output shaft axially locating by locking nut.Beneficial effect of the present invention is: bearing outer ring and ball rod are assembled into integral cell structure, and structure is simple, exempts from adjustment, is convenient to assembling characteristics, can realize floating flexibly, can realize again the accurate location of main shaft axis.
Description
Technical field
The present invention is a kind of twin countershaft transmission main shaft relocation mechanism.
Background technique
Existing twin countershaft transmission, carry for two countershaft assembly inequalities can be overcome, main shaft must have floating, current rear-end of spindle or be rigidly connected, rear-end of spindle relocation mechanism structure is scattered, with the immediate prior art of the technical program be: publication number is 201103674, patent name is: the utility model patent of floating structure for speed transmission, its rear end relocation mechanism structure is scattered, assembling difficulty is difficult to greatly ensure assembly precision, and therefore, assembly process process is poor, and there is the easy clamping stagnation of hinged bulb, cause the problem that main shaft ruptures because of clamping stagnation.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of structure simple, be convenient to assembling, the technological scheme of the twin countershaft transmission main shaft relocation mechanism flexibly of floating.
The present invention is realized by following technical measures: a kind of twin countershaft transmission main shaft relocation mechanism, comprise the main shaft be connected with input shaft, described main the tip of the axis is fixedly mounted on the bearing on output shaft by integrated type joint shaft bearing unit, the crucial bearing unit of described integrated type comprises bearing outer ring, self-locking spring, ball rod, described bearing outer ring is positioned at described inner hole of spindle, described bearing outer ring comprises two hemisphere split along axis, described two hemisphere are connected to one by self-locking spring, the bulb part of ball rod is installed in described bearing outer ring ball chamber, described bearing outer ring is by joint shaft bearing pressure ring axially locating, described joint shaft bearing pressure ring is circumferentially welded and fixed with described spindle nose, the shank portion of described ball rod is connected with described output shaft axially locating by locking nut.
Further improvement of the utility model also has, and be provided with filleted between the bulb part of above-mentioned ball rod and shank portion, described bulb part and filleted are processed with induction hardening layer by induction hardening process.
The thickness of above-mentioned induction hardening layer is: 3-5mm.
Further improvement of the utility model also has, and the axial movement value of above-mentioned ball rod is 0.05-0.09mm.
Further improvement of the utility model 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 utility model also has, and is provided with flying height between above-mentioned front-end of spindle and the lining of input shaft.
Beneficial effect of the present invention is: bearing outer ring and ball rod are assembled into integral cell structure, and structure is simple, exempts from adjustment, is convenient to assembling characteristics, can realize floating flexibly, can realize again the accurate location of main shaft axis.
Accompanying drawing explanation
Fig. 1 is the structural representation of the specific embodiment of the invention.
Fig. 2 is the A portion structure for amplifying schematic diagram in 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 diagram 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.
In 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, bulb part, 10, shank portion, 11, joint shaft bearing pressure ring, 12, locking nut, 13, filleted, 14, induction hardening layer.
Embodiment
For the technical characterstic of this programme can be clearly demonstrated, below by an embodiment, this programme is set forth.
As accompanying drawing, a kind of twin countershaft transmission main shaft relocation mechanism, comprise the main shaft 2 be connected with input shaft 1, flying height is provided with between described main shaft 2 front end and the lining 3 of input shaft 1, the end of described main shaft 2 is fixedly mounted on the bearing 6 on output shaft 5 by integrated type joint shaft bearing unit 4, the crucial bearing unit 4 of described integrated type comprises bearing outer ring 7, self-locking spring 8, ball rod, described bearing outer ring 7 is positioned at described inner hole of spindle, described bearing outer ring 7 comprises two hemisphere split along axis, described two hemisphere are connected to one by self-locking spring 8, the bulb part 9 of ball rod is installed in described bearing outer ring 7 ball chamber, described bearing outer ring 7 is by joint shaft bearing pressure ring 11 axially locating, described joint shaft bearing pressure ring 11 is circumferentially fixed with described main shaft 2 welding edges, the shank portion 10 of described ball rod is connected with described output shaft 5 axially locating by locking nut 12.
Wherein, be provided with filleted 13 between the bulb part 9 of ball rod and shank portion 10, described bulb part 9 and filleted 13 are processed with induction hardening layer 14 by 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 without the technical characteristics described or adopt existing techniques in realizing; do not repeat them here; certainly; above-mentioned explanation is not limitation of the present invention; the present invention is also not limited in above-mentioned citing; the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (5)
1. a twin countershaft transmission main shaft relocation mechanism, comprise the main shaft be connected with input shaft, it is characterized in that, described main the tip of the axis is fixedly mounted on the bearing on output shaft by integrated type joint shaft bearing unit, described integrated type joint shaft bearing unit comprises bearing outer ring, self-locking spring, ball rod, described bearing outer ring is positioned at described inner hole of spindle, described bearing outer ring comprises two hemisphere split along axis, described two hemisphere are connected to one by self-locking spring, the bulb part of ball rod is installed in described bearing outer ring ball chamber, described bearing outer ring is by joint shaft bearing pressure ring axially locating, described joint shaft bearing pressure ring is circumferentially welded and fixed with described spindle nose, the shank portion of described ball rod is connected with described output shaft axially locating by locking nut, be provided with filleted between the bulb part of described ball rod and shank portion, described bulb part and filleted are processed with induction hardening layer by induction hardening process.
2. twin countershaft transmission main shaft relocation mechanism according to claim 1, is characterized in that, the thickness of described induction hardening layer is: 3-5mm.
3. twin countershaft transmission main shaft relocation mechanism according to claim 1 and 2, is characterized in that, the axial movement value of described ball rod is 0.05-0.09mm.
4. twin countershaft transmission main shaft relocation mechanism according to claim 1 and 2, is characterized in that, described integrated type joint shaft bearing pivot angle α is 6 degree.
5. twin countershaft transmission main shaft relocation mechanism according to claim 1, is characterized in that, be provided with flying height between described front-end of spindle and the lining of 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 CN102808930A (en) | 2012-12-05 |
| CN102808930B true 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 |
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| Publication number | Publication date |
|---|---|
| CN102808930A (en) | 2012-12-05 |
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| C14 | Grant of patent or utility model | ||
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