CN212985942U - Manual single-row planetary gear transmission - Google Patents
Manual single-row planetary gear transmission Download PDFInfo
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- CN212985942U CN212985942U CN201820996206.8U CN201820996206U CN212985942U CN 212985942 U CN212985942 U CN 212985942U CN 201820996206 U CN201820996206 U CN 201820996206U CN 212985942 U CN212985942 U CN 212985942U
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- end cover
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 106
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009347 mechanical transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a manual single-row planetary gear transmission, which comprises: the automatic transmission comprises a transmission shell, wherein a first transmission end cover is fixedly arranged at one end of the transmission shell through a bolt, an output shell is fixedly arranged inside one end of the transmission shell, which is far away from the first transmission end cover, a ratchet wheel is fixedly clamped inside one end of the output shell, a deep groove ball bearing is fixedly sleeved outside the other end of the output shell, and a second transmission end cover is rotatably arranged outside the output shell through the deep groove ball bearing. And the planetary gear mechanism is adopted to transmit power, so that the number of gear parts of the whole transmission mechanism is reduced, the structure of the planetary gear mechanism is compact, the number of parts is small, and the axial size is reduced, so that the planetary gear mechanism is lighter in weight, and is more convenient to manufacture, install, inspect and maintain.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a manual single-row planetary gear transmission.
Background
With the development of motor vehicles and electric vehicles, the transmission is also advancing and developing in continuous demand. The more sophisticated transmissions are typically integrated with an engine or motor to effect a 4 to 5 speed shift, while shifts to achieve higher numbers of gears often require a series transmission. Meanwhile, some small motor vehicles and electric vehicles often want the structure of the transmission to be more compact, so that the quality of the whole vehicle is reduced, and the available space is improved.
However, the conventional transmission has some disadvantages in use, such as:
1. the traditional series transmission has more parts and complicated transmission, and the transmission resistance is increased after the mechanical friction generated among the parts is superposed, so that the transmission action harmony is greatly reduced.
2. The traditional series transmission has the defects of difficult manufacturing and installation and inconvenient inspection and maintenance due to more parts, higher part mass and larger system volume.
Disclosure of Invention
The invention aims to solve the problems and provides a manual single-row planetary gear transmission. The transmission can realize the transformation of three gears and has the characteristics of compact structure, good reliability, small gear shifting impact, wide application range and the like; the transmission can be applied to auxiliary transmissions in small motor vehicles, small electric vehicle transmissions, heavy truck transmissions and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a manual, single row planetary transmission comprising: the automatic transmission comprises a transmission shell, a first transmission end cover is fixedly installed at one end of the transmission shell through a bolt, an output shell is fixedly arranged inside one end, away from the first transmission end cover, of the transmission shell, a ratchet wheel is fixedly clamped inside one end of the output shell, a deep groove ball bearing is fixedly sleeved outside the other end of the output shell, a second transmission end cover is rotatably installed outside the output shell through the deep groove ball bearing, and the second transmission end cover is fixedly installed at one end, away from the first transmission end cover, of the transmission shell through the bolt; an intermediate shaft is rotatably arranged between the first transmission end cover and the second transmission end cover in the transmission shell through a bearing, the outer part of one end of the intermediate shaft far away from the end cover of the first speed changer is fixedly sleeved with an intermediate shaft cylindrical spur gear ring gear, a sun wheel is inserted in the middle shaft, a spring is movably sleeved outside one section of the sun wheel positioned in the middle shaft, a pull rod is arranged at the inner thread of one end of the sun gear close to the end cover of the first speed changer in a threaded manner, a planetary gear is rotatably sleeved outside one end of the sun gear close to the output shell, the outer part of the planet gear is engaged with an outer gear ring, the outer part of the outer gear ring is fixedly clamped in the output shell, a planet carrier is transversely inserted at the upper part of the planet gear, a second pawl is rotatably arranged outside the planet carrier, the bottom of the second pawl is provided with a second pawl elastic sheet which is rotatably arranged outside the sun gear through a bearing; a sliding block is fixedly welded on one side, away from the second pawl elastic sheet, of the outer portion of the sun gear, a pawl pin is fixedly welded on one side face of the bottom of the sliding block, and a first pawl is fixedly sleeved on the outer portion of the pawl pin; an input shaft cantilever shell is fixedly welded on the inner wall of the bottom of the intermediate shaft of the first transmission end cover, a needle bearing is fixedly clamped on the inner wall of the input shaft cantilever shell, an input shaft is rotatably installed at the center inside the input shaft cantilever shell through the needle bearing, a cantilever shell cover is fixedly sleeved outside one end of the input shaft inside the input shaft cantilever shell, the outside of the cantilever shell cover is rotatably connected with the inner wall of the input shaft cantilever shell through the needle bearing, an input shaft cylindrical straight gear ring is fixedly welded on the outer surface of one end of the cantilever shell cover outside the input shaft cantilever shell, and the input shaft cylindrical straight gear ring is meshed with the intermediate shaft cylindrical straight gear ring; the ratchet wheel is movably connected with the middle shaft in a clamping mode, a first pawl elastic sheet is fixedly welded at one end of the elastic sheet support, and the first pawl elastic sheet is matched with a first pawl.
Furthermore, an oil seal is uniformly filled between the first transmission end cover and the transmission shell.
Furthermore, a lip-shaped sealing ring is fixedly clamped between the second transmission end cover and the output shell.
Further, one end of the pull rod is arranged outside the first transmission end cover.
Furthermore, the second pawl elastic sheet is matched with the second pawl.
Further, the first pawl is clamped with the internal gear of the ratchet wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. the mechanical transmission part is adopted for shifting, mechanical friction is small in the shifting process, parts are few, and compared with an existing transmission, the transmission efficiency is higher.
2. The planetary gear train mechanism is adopted to transmit power, the number of gear parts of the whole transmission mechanism is reduced, the structure of the planetary gear train mechanism is compact, the number of parts is small, and the axial size is reduced, so that the planetary gear train mechanism is lighter in weight, and is more convenient to manufacture, install, inspect and maintain.
Drawings
FIG. 1 is a schematic overall construction of a manual single row planetary transmission of the present invention;
FIG. 2 is a ratchet and pawl configuration of the manual single row planetary transmission of the present invention;
FIG. 3 is a schematic mechanical diagram of the manual single planetary transmission of the present invention in neutral;
FIG. 4 is a schematic mechanical diagram of the manual single planetary transmission of the present invention in first gear;
FIG. 5 is a schematic mechanical diagram of the manual single planetary transmission of the present invention at second gear;
FIG. 6 is a schematic mechanical diagram of the manual single planetary transmission of the present invention in third gear.
In fig. 1-6: 1. an output housing; 2. a lip-shaped seal ring; 3. a deep groove ball bearing; 4. a second transmission end cap; 5. a second pawl spring; 6. a planet carrier; 7. a second pawl; 8. a planetary gear; 9. an outer ring gear; 10. a slider; 11. a first pawl; 12. a ratchet wheel; 13. a middle shaft cylindrical spur gear ring; 14. A spring; 15. an intermediate shaft; 16. a transmission housing; 17. a pull rod; 18. oil sealing; 19. a first transmission end cap; 20. a needle bearing; 21. an input shaft; 22. an input shaft cantilever housing; 23. a cantilever housing cover; 24. an input shaft cylindrical spur gear ring; 25. a pawl pin; 26. a sun gear; 27. a spring plate support; 28. the first pawl spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a manual, single row planetary transmission comprising: a transmission housing 16, a first transmission end cover 19 is fixedly installed at one end of the transmission housing 16 through a bolt, an oil seal 18 is uniformly filled between the first transmission end cover 19 and the transmission housing 16, so that the sealing effect between the first transmission end cover 19 and the transmission housing 16 is better, an output housing 1 is fixedly arranged inside one end of the transmission housing 16 far away from the first transmission end cover 19, a ratchet wheel 12 is fixedly clamped inside one end of the output housing 1, a deep groove ball bearing 3 is fixedly sleeved outside the other end of the output housing 1, a second transmission end cover 4 is rotatably installed outside the output housing 1 through the deep groove ball bearing 3, a lip-shaped sealing ring 2 is fixedly clamped between the second transmission end cover 4 and the output housing 1, so that the sealing effect between the second transmission end cover 4 and the output housing 1 is better, the second transmission end cover 4 is fixedly installed at one end, far away from the first transmission end cover 19, of the transmission housing 16 through bolts; 16 inside being located of derailleur casing 19 and the second derailleur end cover 4 between install jackshaft 15 through the bearing rotation, jackshaft 15 keeps away from 19 one end outside fixed cover of first derailleur end cover and has connect jackshaft cylinder straight-tooth gear ring gear 13, the inside sun gear 26 that has pegged graft of jackshaft 15, spring 14 has been cup jointed in the inside one section outside activity of jackshaft 26 being located jackshaft 15, sun gear 26 is close to 19 one end internal thread of first derailleur end cover and installs pull rod 17, sun gear 26 is close to 1 one end outside rotation of output housing and has cup jointed planetary gear 8, the external meshing of planetary gear 8 has outer ring gear 9, the fixed joint of outer ring gear 9 outside is inside output housing 1, planetary gear 8 upper portion is transversely pegged graft and is had planet carrier 6, planet carrier 6 outside is rotated and is installed second pawl 7, the bottom of the second pawl 7 is provided with a second pawl elastic sheet 5, the second pawl elastic sheet 5 is rotatably installed outside the sun gear 26 through a bearing, and the second pawl elastic sheet 5 is matched with the second pawl 7, so that the second pawl elastic sheet 5 can be clamped with the second pawl 7; a sliding block 10 is fixedly welded on one side, away from the second pawl elastic sheet 5, of the planetary gear 8 outside the sun gear 26, a pawl pin 25 is fixedly welded on one side face of the bottom of the sliding block 10, a first pawl 11 is fixedly sleeved outside the pawl pin 25, and the first pawl 11 is clamped with a gear inside the ratchet wheel 12, so that the first pawl 11 can be clamped inside the ratchet wheel 12; an input shaft cantilever shell 22 is fixedly welded on the inner wall of the bottom of the intermediate shaft 15 of the first transmission end cover 19, a needle bearing 20 is fixedly clamped on the inner wall of the input shaft cantilever shell 22, an input shaft 21 is rotatably installed at the center of the inside of the input shaft cantilever shell 22 through the needle bearing 20, a cantilever shell cover 23 is fixedly sleeved on the outside of one end, located inside the input shaft cantilever shell 22, of the input shaft 21, the outside of the cantilever shell cover 23 is rotatably connected with the inner wall of the input shaft cantilever shell 22 through the needle bearing 20, an input shaft cylindrical spur gear ring gear 24 is fixedly welded on the outer surface of one end, located outside the input shaft cantilever shell 22, of the cantilever shell cover 23, and the input shaft cylindrical spur gear ring gear 24 is meshed with the intermediate shaft; an elastic sheet support 27 is movably clamped between the ratchet wheel 12 and the intermediate shaft 15, a first pawl elastic sheet 28 is fixedly welded at one end of the elastic sheet support 27, and the first pawl elastic sheet 28 is matched with the first pawl 11.
Example 1:
referring to fig. 3, fig. 3 is a schematic diagram of the mechanism of the manual single-row planetary gear transmission in neutral gear of the present invention, in neutral gear, the pull rod 17 is at the left end limit, the slider 10 moves along with it and only contacts with the first pawl spring 28, so that the first pawl 11 is separated from the ratchet wheel 12, thereby interrupting the power transmission path and achieving the neutral state.
Example 2:
referring to fig. 4, fig. 4 is a schematic diagram of the first gear mechanism of the manual single row planetary gear transmission, in which the pull rod 17 moves to the right compared with the neutral position in the first gear, so that the slide block 10 contacts with the first pawl spring piece 28 and is simultaneously engaged with the outer ring gear 9. As a result, the first pawl 11 is separated from the ratchet 12, and the power is transmitted from the input shaft 21 to the output housing 1 through the intermediate shaft 15, the slider 10, the outer ring gear 9, the planetary gear 8, and the carrier 6 in this order. Assuming that the number of teeth of the sun gear 26 is z1 and the number of teeth of the outer ring gear is z3, the gear ratio is now
The transmission is now in a reduction gear.
Example 3:
referring to fig. 5, fig. 5 is a schematic diagram of the second gear of the manual single-row planetary gear transmission, in which the second gear pull rod 17 moves to the right compared with the first gear, so that the slide block 10 is only engaged with the external gear ring 9. As a result, the first pawl 11 is engaged with the ratchet wheel 12, and when the rotating speed of the ratchet wheel 12 is greater than that of the ratchet wheel in the output shell 1, the ratchet wheel 12 transmits power, the ratchet wheel in the output shell 1 idles, and the power is transmitted to the output shell 1 from the input shaft 21 sequentially through the intermediate shaft 15, the slider 10 and the outer gear ring 9. The transmission ratio is iH 3-1, and the transmission is in direct gear.
Example 4:
referring to fig. 6, fig. 6 is a schematic diagram of the mechanism of the manual single row planetary gear transmission in third gear, in which the pull rod 17 moves to the right from the second gear position, so that the slide block 10 is only engaged with the planet carrier 6. As a result, the first pawl 11 is engaged with the ratchet wheel 12, and since the ratchet wheel 12 idles when the rotation speed of the ratchet wheel 12 is lower than that of the ratchet wheel in the output housing 1, the ratchet wheel in the output housing 1 transmits power, and the power sequentially passes through the intermediate shaft 15, the slider 10, and the row from the input shaft 21The planet carrier 6, the planet gear 8 and the external gear ring 9 are finally transmitted to the output shell 1. Assuming that the number of teeth of the sun gear 26 is z1 and the number of teeth of the outer ring gear is z3, the gear ratio is now
The transmission is now in an upshift.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A manual single row planetary transmission, comprising: the automatic transmission comprises a transmission shell (16), wherein a first transmission end cover (19) is fixedly installed at one end of the transmission shell (16) through a bolt, an output shell (1) is fixedly arranged inside one end, away from the first transmission end cover (19), of the transmission shell (16), a ratchet wheel (12) is fixedly clamped inside one end of the output shell (1), a deep groove ball bearing (3) is fixedly sleeved outside the other end of the output shell (1), a second transmission end cover (4) is rotatably installed outside the output shell (1) through the deep groove ball bearing (3), and the second transmission end cover (4) is fixedly installed at one end, away from the first transmission end cover (19), of the transmission shell (16) through a bolt; gearbox casing (16) inside is located and rotates through the bearing between first derailleur end cover (19) and second derailleur end cover (4) and installs jackshaft (15), jackshaft (15) are kept away from first derailleur end cover (19) one end external fixation and have been cup jointed jackshaft cylinder straight-teeth gear ring gear (13), jackshaft (15) inside grafting has sun gear (26), spring (14) have been cup jointed in the inside one section outside activity of jackshaft (15) in sun gear (26), sun gear (26) are close to first derailleur end cover (19) one end internal thread and have been installed pull rod (17), sun gear (26) are close to output shell (1) one end external rotation and have been cup jointed planetary gear (8), planetary gear (8) external toothing has outer ring gear (9), outer ring gear (9) external fixation joint is inside output shell (1), the upper part of the planet gear (8) is transversely inserted with a planet carrier (6), a second pawl (7) is rotatably arranged outside the planet carrier (6), a second pawl elastic sheet (5) is arranged at the bottom of the second pawl (7), and the second pawl elastic sheet (5) is rotatably arranged outside the sun gear (26) through a bearing; a sliding block (10) is fixedly welded on one side, away from the second pawl elastic sheet (5), of the outer portion of the sun gear (26) and located on the planetary gear (8), a pawl pin (25) is fixedly welded on one side face of the bottom of the sliding block (10), and a first pawl (11) is fixedly sleeved on the outer portion of the pawl pin (25); an input shaft cantilever shell (22) is fixedly welded on the inner wall of the bottom of the intermediate shaft (15) of the first transmission end cover (19), the inner wall of the input shaft cantilever shell (22) is fixedly clamped with a needle bearing (20), the inner center of the input shaft cantilever shell (22) is rotatably provided with an input shaft (21) through a needle bearing (20), a cantilever shell cover (23) is fixedly sleeved outside one end of the input shaft (21) positioned inside the input shaft cantilever shell (22), the outer part of the cantilever shell cover (23) is rotationally connected with the inner wall of the input shaft cantilever shell (22) through a needle bearing (20), an input shaft cylindrical spur gear ring gear (24) is fixedly welded on the outer surface of one end of the cantilever shell cover (23) positioned outside the input shaft cantilever shell (22), the input shaft cylindrical straight gear ring (24) is meshed with the intermediate shaft cylindrical straight gear ring (13); the ratchet wheel (12) and the intermediate shaft (15) are movably clamped with an elastic sheet support (27), one end of the elastic sheet support (27) is fixedly welded with a first pawl elastic sheet (28), and the first pawl elastic sheet (28) is matched with the first pawl (11).
2. The manual, single row planetary gear transmission as in claim 1, wherein: and an oil seal (18) is uniformly filled between the first transmission end cover (19) and the transmission shell (16).
3. The manual, single row planetary gear transmission as in claim 1, wherein: and a lip-shaped sealing ring (2) is fixedly clamped between the second transmission end cover (4) and the output shell (1).
4. The manual, single row planetary gear transmission as in claim 1, wherein: one end of the pull rod (17) is arranged outside the first transmission end cover (19).
5. The manual, single row planetary gear transmission as in claim 1, wherein: the second pawl elastic sheet (5) is matched with the second pawl (7).
6. The manual, single row planetary gear transmission as in claim 1, wherein: the first pawl (11) is clamped with an internal gear of the ratchet wheel (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996206.8U CN212985942U (en) | 2018-06-27 | 2018-06-27 | Manual single-row planetary gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820996206.8U CN212985942U (en) | 2018-06-27 | 2018-06-27 | Manual single-row planetary gear transmission |
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| Publication Number | Publication Date |
|---|---|
| CN212985942U true CN212985942U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820996206.8U Expired - Fee Related CN212985942U (en) | 2018-06-27 | 2018-06-27 | Manual single-row planetary gear transmission |
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| CN (1) | CN212985942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645325A (en) * | 2018-06-27 | 2020-01-03 | 重庆交通大学 | Manual single-row planetary gear transmission |
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2018
- 2018-06-27 CN CN201820996206.8U patent/CN212985942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645325A (en) * | 2018-06-27 | 2020-01-03 | 重庆交通大学 | Manual single-row planetary gear transmission |
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Granted publication date: 20210416 |