CN204175884U - A kind of shafting structure of 5 grades of rear-guard speed changers - Google Patents
A kind of shafting structure of 5 grades of rear-guard speed changers Download PDFInfo
- Publication number
- CN204175884U CN204175884U CN201420580263.XU CN201420580263U CN204175884U CN 204175884 U CN204175884 U CN 204175884U CN 201420580263 U CN201420580263 U CN 201420580263U CN 204175884 U CN204175884 U CN 204175884U
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- main shaft
- gear
- shaft
- assembly
- bearing
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Abstract
The utility model discloses the shafting structure of 5 grades of less rear-guard speed changers of the synchronous inertia of a kind of gear shift, main shaft reverse gear assembly (4) is installed on the left side of main spindle front bearing (5), main shaft one grade of gear assembly (6), low speed synchronous device assembly (7), main shaft intermediate gear assembly (8), main shaft three-range transmission (9) and main shaft fourth gear (10) are installed on main shaft (12) from left to right successively and go up and be positioned between main spindle front bearing and mainshaft rear bearing (11), low speed synchronous device assembly, main shaft three-range transmission, main shaft fourth gear is fixedly connected with main shaft, main shaft one grade of gear assembly, main shaft intermediate gear assembly is sleeved on main shaft rotationally, jack shaft fourth gear assembly (14), three fourth gear synchronizer assemblies (15), third gear assembly (16) are installed on the left side that jack shaft (17) is upper, be positioned at jack shaft rear bearing (13) from right to left successively.
Description
Technical field
The utility model relates to automotive transmission, more particularly, relates to a kind of shafting structure of 5 grades of rear-guard speed changers.
Background technique
At present, the shafting structure of a kind of 5 grades of rear-guard speed changers common on market, see Fig. 1, , comprise bearing of input shaft 1, input shaft assembly 2, five reversing-gear synchronizer assemblies 3, main shaft reverse gear assembly 4, main spindle front bearing 5, main shaft one grade of gear assembly 6, low speed synchronous device assembly 7, main shaft intermediate gear assembly 8, mainshaft rear bearing 11, main shaft 12, jack shaft rear bearing 13, three fourth gear synchronizer assemblies 15, third gear assembly 16, jack shaft 17, jack shaft middle (center) bearing 18, countershaft reverse gear 19, jack shaft fore bearing 21, reverse idler gear assembly 22, reverse idler gear axle 23, needle bearing 24, counter 5th gear 25, main shaft five grades of gear assemblies 26, bearing of input shaft 1 is sleeved on input shaft assembly 2, supports and locate input shaft assembly 2, described three fourth gear synchronizer assemblies 15, low speed synchronous device assembly 7, five reversing-gear synchronizer assembly 3 are fixedly connected with main shaft 12 by spline, cannot mutually rotate, third gear assembly 16, main shaft intermediate gear assembly 8, main shaft one grade of gear assembly 6, main shaft reverse gear assembly 4 and main shaft five grades of gear assemblies 26 are sleeved on main shaft 12 rotationally, mutually can freely rotate, described main spindle front bearing 5, mainshaft rear bearing 11 are sleeved on main shaft 12, support and locate main shaft 12, described counter 5th gear 25, countershaft reverse gear 19 are fixedly connected with jack shaft 17 by spline, mutually can not one freely to rotate, described jack shaft rear bearing 13, jack shaft middle (center) bearing 18, jack shaft fore bearing 21 are sleeved on jack shaft 17, support and locate jack shaft 17, reverse idler gear assembly 22 is sleeved on reverse gear axle 23 rotationally, mutually can freely rotate.There is following shortcoming in this 5 grades of rear-guard transmission shaft architecture: the distance between third gear assembly 16 and main spindle front bearing 5 is comparatively large, and during third gear carrying, needle bearing 24 is much stressed, and cause third gear NVH poor performance, needle bearing 24 easily occurs that ablation damages; When input shaft assembly 2 rotates, all gears rotate together, and when causing gear shift, synchronous inertia is comparatively large, require high to synchronizer; One grade, reverse gear is distant from input shaft, be the amount of deformation ensureing casing, casing rigidity requirement is high, is unfavorable for the light-weight design of casing.
Model utility content
The technical problems to be solved in the utility model is to provide that the synchronous inertia of a kind of gear shift is less, the shafting structure of 5 grades of rear-guard speed changers of NVH better performances.
For solving the problems of the technologies described above, the utility model takes following technological scheme;
A kind of shafting structure of 5 grades of rear-guard speed changers, comprise bearing of input shaft, input shaft assembly, five reversing-gear synchronizer assemblies, main shaft reverse gear assembly, main spindle front bearing, main shaft one grade of gear assembly, low speed synchronous device assembly, main shaft intermediate gear assembly, main shaft three-range transmission, main shaft fourth gear, mainshaft rear bearing, main shaft, jack shaft rear bearing, jack shaft fourth gear assembly, three fourth gear synchronizer assemblies, third-speed gear of intermediate shaft assembly, jack shaft, jack shaft middle (center) bearing, countershaft reverse gear, jack shaft constant mesh gear, jack shaft fore bearing, reverse idler gear assembly, reverse idler gear axle and needle bearing, described bearing of input shaft is sleeved on input shaft assembly, described five reversing-gear synchronizer assemblies are fixedly connected with main shaft, described main shaft reverse gear assembly is sleeved on main shaft rotationally, described main spindle front bearing is sleeved on main shaft, described countershaft reverse gear, jack shaft constant mesh gear are fixedly connected with jack shaft, described jack shaft rear bearing, jack shaft middle (center) bearing, jack shaft fore bearing are sleeved on jack shaft, described shelves idler gear assembly is sleeved on reverse idler gear axle rotationally: described main shaft reverse gear assembly is installed on the left side of main spindle front bearing, described main shaft one grade of gear assembly, low speed synchronous device assembly, main shaft intermediate gear assembly, main shaft three-range transmission and main shaft fourth gear to be installed on main shaft and from left to right successively between main spindle front bearing and mainshaft rear bearing, low speed synchronous device assembly, main shaft three-range transmission, main shaft fourth gear are fixedly connected with main shaft, and main shaft one grade of gear assembly, main shaft intermediate gear assembly are sleeved on main shaft rotationally, described jack shaft fourth gear assembly, three fourth gear synchronizer assemblies, third-speed gear of intermediate shaft assembly are installed on jack shaft from right to left successively, are positioned at the left side of jack shaft rear bearing.
Preferably, described low speed synchronous device assembly, main shaft three-range transmission, main shaft fourth gear are fixedly connected with main shaft by spline.
Preferably, described five reversing-gear synchronizer assemblies and main shaft reverse gear assembly are arranged between main spindle front bearing and input shaft assembly from left to right successively.
Compared with prior art, the utility model comprises following beneficial effect:
1, main spindle front bearing and mainshaft rear bearing spacing greatly, reduce main shaft jib-length, and when making stressed, distortion is less, improve axle system bearing capacity and speed changer NVH performance.
2, third gear assembly, fourth gear assembly, main shaft three-range transmission, main shaft fourth gear do not rotate together with input shaft assembly, and axle system rotary inertia during reduction gear shift, is conducive to improving shifting of transmission performance.
3, reverse gear, one grade less from input shaft assembly distance, be conducive to improving casing stressed, reduce axle system to the rigidity requirement of casing, materials'use amount when reducing cabinet design.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the shafting structure of 5 grades of rear-guard speed changers of prior art;
Fig. 2 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail;
See Fig. 2, the shafting structure of 5 grades of rear-guard speed changers of the present utility model, comprise bearing of input shaft 1, input shaft assembly 2, five reversing-gear synchronizer assemblies 3, main shaft reverse gear assembly, main spindle front bearing 5, main shaft one grade of gear assembly 6, low speed synchronous device assembly 7, main shaft intermediate gear assembly 8, main shaft three-range transmission 9, main shaft fourth gear 10, mainshaft rear bearing 11, main shaft 12, jack shaft rear bearing 13, jack shaft fourth gear assembly 14, three fourth gear synchronizer assemblies 15, third gear assembly 16, jack shaft 17, jack shaft middle (center) bearing 18, countershaft reverse gear 19, jack shaft constant mesh gear 20, jack shaft fore bearing 21, reverse idler gear assembly 22, reverse idler gear axle 23 and needle bearing 24, described bearing of input shaft 1 is sleeved on input shaft assembly 2, described five reversing-gear synchronizer assemblies 3 are fixedly connected with main shaft 12, described main shaft reverse gear assembly 4 is sleeved on main shaft 12 rotationally, described main spindle front bearing 5 is sleeved on main shaft 12, described countershaft reverse gear 19, jack shaft constant mesh gear 20 are fixedly connected with jack shaft 17, described jack shaft rear bearing 13, jack shaft middle (center) bearing 18, jack shaft fore bearing 21 are sleeved on jack shaft 17, described shelves idler gear assembly 22 is sleeved on reverse idler gear axle 23 rotationally: as seen from Figure 2, main shaft reverse gear assembly 4 of the present utility model is installed on the left side of main spindle front bearing 5, described main shaft one grade of gear assembly 6, low speed synchronous device assembly 7, main shaft intermediate gear assembly 8, main shaft three-range transmission 9 and main shaft fourth gear 10 to be installed on main shaft 12 and from left to right successively between main spindle front bearing 5 and mainshaft rear bearing 11, low speed synchronous device assembly 7, main shaft three-range transmission 9, main shaft fourth gear 10 is fixedly connected with main shaft 12, main shaft one grade of gear assembly 6, main shaft intermediate gear assembly 8 is sleeved on main shaft 12 rotationally, described jack shaft fourth gear assembly 14, three fourth gear synchronizer assembly 15, third-speed gear of intermediate shaft assembly 16 are installed on jack shaft 17 from right to left successively, are positioned at the left side of jack shaft rear bearing 13.So, main spindle front bearing 5 and the mainshaft rear bearing 11 of the shafting structure of 5 grades of rear-guard speed changers of the present utility model rationally increase spacing, reduce main shaft 12 jib-length, and when making main shaft stressed, distortion is less, and reducing the distortion of axle system affects gears meshing; Rotate together with third gear assembly 16, fourth gear assembly 14, main shaft three-range transmission 9, main shaft fourth gear 10 are fixing with input shaft assembly 2, axle system rotary inertia during reduction gear shift, is conducive to improving shifting of transmission performance.
Described low speed synchronous device assembly 7, main shaft three-range transmission 9, main shaft fourth gear 10 are fixedly connected with main shaft 12 by spline.Be fixedly connected with fairly simple, reliable like this.
As seen from Figure 2, described five reversing-gear synchronizer assemblies 3 and main shaft reverse gear assembly 4 are arranged between main spindle front bearing 5 and input shaft assembly 2 from left to right successively.This just makes low-grade location gear and reverse gear less from input shaft distance, is conducive to improving bearing capacity, is conducive to reducing speed changer axial length, improves the bearing capacity of axle system.
Claims (3)
1. the shafting structure of 5 grades of rear-guard speed changers, comprise bearing of input shaft (1), input shaft assembly (2), five reversing-gear synchronizer assemblies (3), main shaft reverse gear assembly (4), main spindle front bearing (5), main shaft one grade of gear assembly (6), low speed synchronous device assembly (7), main shaft intermediate gear assembly (8), main shaft three-range transmission (9), main shaft fourth gear (10), mainshaft rear bearing (11), main shaft (12), jack shaft rear bearing (13), fourth gear assembly (14), three fourth gear synchronizer assemblies (15), third gear assembly (16), jack shaft (17), jack shaft middle (center) bearing (18), countershaft reverse gear (19), jack shaft constant mesh gear (20), jack shaft fore bearing (21), reverse idler gear assembly (22), reverse idler gear axle (23) and needle bearing (24), described bearing of input shaft (1) is sleeved on input shaft assembly (2), described five reversing-gear synchronizer assemblies (3) are fixedly connected with main shaft (12), described main shaft reverse gear assembly (4) is sleeved on main shaft (12) rotationally, described main spindle front bearing (5) is sleeved on main shaft (12), described countershaft reverse gear (19), jack shaft constant mesh gear (20) are fixedly connected with jack shaft (17), described jack shaft rear bearing (13), jack shaft middle (center) bearing (18), jack shaft fore bearing (21) are sleeved on jack shaft (17), described shelves idler gear assembly (22) is sleeved on reverse idler gear axle (23) rotationally, it is characterized in that: described main shaft reverse gear assembly (4) is installed on the left side of main spindle front bearing (5), described main shaft one grade of gear assembly (6), low speed synchronous device assembly (7), main shaft intermediate gear assembly (8), main shaft three-range transmission (9) and main shaft fourth gear (10) are installed on main shaft (12) from left to right successively and go up and be positioned between main spindle front bearing (5) and mainshaft rear bearing (11), low speed synchronous device assembly (7), main shaft three-range transmission (9), main shaft fourth gear (10) is fixedly connected with main shaft (12), main shaft one grade of gear assembly (6), main shaft intermediate gear assembly (8) is sleeved on main shaft (12) rotationally, described jack shaft fourth gear assembly (14), three fourth gear synchronizer assemblies (15), third gear assembly (16) are installed on the left side that jack shaft (17) is upper, be positioned at jack shaft rear bearing (13) from right to left successively.
2. the shafting structure of 5 grades of rear-guard speed changers according to claim 1, is characterized in that: described low speed synchronous device assembly (7), main shaft three-range transmission (9), main shaft fourth gear (10) are fixedly connected with main shaft (12) by spline.
3. the shafting structure of 5 grades of rear-guard speed changers according to claim 1 and 2, is characterized in that: described five reversing-gear synchronizer assemblies (3) and main shaft reverse gear assembly (4) are arranged between main spindle front bearing (5) and input shaft assembly (2) from left to right successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580263.XU CN204175884U (en) | 2014-10-09 | 2014-10-09 | A kind of shafting structure of 5 grades of rear-guard speed changers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580263.XU CN204175884U (en) | 2014-10-09 | 2014-10-09 | A kind of shafting structure of 5 grades of rear-guard speed changers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175884U true CN204175884U (en) | 2015-02-25 |
Family
ID=52564695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420580263.XU Withdrawn - After Issue CN204175884U (en) | 2014-10-09 | 2014-10-09 | A kind of shafting structure of 5 grades of rear-guard speed changers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204175884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214282A (en) * | 2014-10-09 | 2014-12-17 | 重庆青山工业有限责任公司 | Shaft system structure of five-gear rear drive transmission |
| CN114165564A (en) * | 2021-12-15 | 2022-03-11 | 重庆青山工业有限责任公司 | Six-gear rear-drive transmission shafting structure |
-
2014
- 2014-10-09 CN CN201420580263.XU patent/CN204175884U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104214282A (en) * | 2014-10-09 | 2014-12-17 | 重庆青山工业有限责任公司 | Shaft system structure of five-gear rear drive transmission |
| CN104214282B (en) * | 2014-10-09 | 2017-05-10 | 重庆青山工业有限责任公司 | Shaft system structure of five-gear rear drive transmission |
| CN114165564A (en) * | 2021-12-15 | 2022-03-11 | 重庆青山工业有限责任公司 | Six-gear rear-drive transmission shafting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150225 Effective date of abandoning: 20170510 |