CN204267700U - Selflubricating planet wheel gear box sub-case - Google Patents
Selflubricating planet wheel gear box sub-case Download PDFInfo
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- CN204267700U CN204267700U CN201420712829.XU CN201420712829U CN204267700U CN 204267700 U CN204267700 U CN 204267700U CN 201420712829 U CN201420712829 U CN 201420712829U CN 204267700 U CN204267700 U CN 204267700U
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- hole
- gear
- oil
- ring
- planet carrier
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Abstract
The utility model provides a kind of selflubricating planet wheel gear box sub-case, synchronizer is set on the output shaft of planet carrier in planetary gear train, the synchronous conical ring of high gear of synchronizer is fixed on planet carrier, the low gear synchronization device cone ring of synchronizer is fixed on odd-side casing, and the synchronous conical ring of high gear is between planetary gear train and low gear synchronization device cone ring; The inner ring of block bearing is provided with through hole, shoulder hole is had vertically in planet wheel shaft, radially have the oilhole being communicated with through hole on shoulder hole and inner ring, oil inlet hole is provided with in power input shaft, be provided with Oil Guide cover in oil inlet hole, be provided with oil storage hole and oil guiding hole in the output shaft of planet carrier, Oil Guide cover is communicated with oil inlet hole and oil storage hole, output shaft is arranged with the oil separator of band oil guide slot, oil guiding hole is communicated with oil storage hole and oil guide slot; The odd-side structure that the utility model provides is simple, and number of spare parts is few, and axial length is short, and therefore cost of production is low, can widely use in Medium or severe type lorry gearbox.
Description
Technical field
The utility model relates to a kind of selflubricating planet wheel gear box sub-case, particularly relates to a kind of selflubricating planet wheel gear box sub-case with planetary gear train bearing lubrication structure.
Background technique
Medium or severe type truck due to load large, transport distance is long, often needs configuration ten to keep off above gearbox, one independently gearbox be difficult to realize multi-gear transmission, so multi-gear gear-case many employings major-minor case structure, meet the demand of different loads amount, different road conditions.
Planetary gear train because of its compact structure, volume is little, quality is little, bearing capacity is large, transmitted power scope and the advantage such as transmission range is large, running noises is little, efficiency is high and the life-span is long, be used in gear box sub-case speed variator system, utilize synchronizer high to low gear assembly control lines star wheel series ring gear to be connected with casing or planet carrier, thus realize height gearshift; In planetary gear train, the block bearing of planet wheel is positioned at planetary gear train inside configuration, and lubricant oil not easily arrives, and block bearing lack of lubrication easily produces the fault such as high temperature deformation, ablation.
Chinese patent " medium-sized automobile transmission with major and minor case " (CN201010137243) discloses a kind of medium-sized automobile transmission with major and minor case, wherein gear box sub-case is provided with height gear, low gear synchronous cone is between planet carrier and high gear synchronous cone, the mounting point of high gear synchronous cone is near casing, low gear synchronous cone is fixed on odd-side housing by locking plate, and high gear synchronous cone is fixed on pto＝power take-off by high gear synchronous cone base; The arrangement of this kind of high and low gear synchronous cone increases auxiliary box output shaft length, the easy torsional deformation of output shaft, and this odd-side lubricates planetary gear train by arranging lubrificated wheels, and odd-side structure is more complicated, uses part many; Chinese patent " a kind of gearbox secondary box structure of planet wheel " (CN201210242513) discloses a kind of gearbox planetary gear train odd-side, before auxiliary box synchronizer is positioned at planetary gear train, improve output shaft stressing conditions, but increase input shaft length, odd-side structure is more complicated, use part is many, does not arrange lubricating structure in this odd-side, and the bearing in planetary gear train easily the faults such as high temperature ablation occurs.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art and provides a kind of selflubricating planet wheel gear box sub-case, this odd-side structure is simple, and number of spare parts is few, and axial length is short, and can provide for the block bearing in odd-side and effectively, reliably lubricate, cost of production is low.
Realizing the technological scheme that the utility model object adopts is, plant selflubricating planet wheel gear box sub-case, at least comprise casing, be arranged on the shifting cylinder assembly on casing, the shift fork be connected with shifting cylinder assembly, the synchronizer stirred by shift fork, be arranged on the power input shaft on casing, and realize the planetary gear train of torque drive and moment of torsion output, described planetary gear train comprises planet wheel, sun gear, ring gear, planet wheel shaft and planet carrier, described planet carrier comprises shroud, hub disk, the dunnage connecting shroud and hub disk and the output shaft be connected with hub disk, it is characterized in that: power input shaft is gear shaft, the gear on gear shaft top is the sun gear of planetary gear train, synchronizer is set on the output shaft of planet carrier, flip sleeve in synchronizer is connected with the ring gear in planetary gear train, low gear synchronization device cone ring is directly fixed on casing, high gear synchronization device cone ring is connected with planet carrier, the synchronous conical ring of high gear is between planetary gear train and low gear synchronization device cone ring, the planet wheel shaft of planetary gear train is fixed on the shroud of planet carrier by elastic positioning pin, the inner ring being set in the block bearing on planet wheel shaft is provided with through hole, shoulder hole is had vertically in planet wheel shaft, radially have the oilhole being communicated with through hole on shoulder hole and inner ring, described shoulder hole is three grades of ladder holes, comprise aperture, macropore and be communicated with the intermediate hole of macropore and aperture, in macropore, be provided with locating stud, the end face composition oil storage tank of the step of aperture, intermediate hole and locating stud, the oil inlet hole of through hole as odd-side is offered vertically in power input shaft, blind hole is offered vertically as oil storage hole in the output shaft of planet carrier, the Oil Guide cover being communicated with oil inlet hole and oil storage hole is provided with in oil inlet hole, the output shaft of planet carrier is arranged with oil separator, described oil separator is the pipe that both ends open extends out, the inwall of the pipe two ends mouth of pipe is equipped with more than 2 oil guide slot, in the output shaft of planet carrier, radially offers the oil guiding hole being communicated with oil storage hole and oil guide slot.
Flip sleeve outer wall in synchronizer is provided with the external splines engaged with planetary gear train ring gear, the ring gear splined of flip sleeve and planetary gear train and being locked by jump ring.
High and low gear synchronization device cone ring in synchronizer is installed in flip sleeve, and all with flip sleeve splined, one end of low gear synchronization device cone ring is fixed in odd-side casing, and is connected with odd-side casing by spline.
Described oilhole is provided with two, in planet wheel shaft last week to uniform.
Described high gear synchronization device cone ring is connected with the hub disk of planet carrier by being fixed on the locating stud in ladder hole macropore.
The output shaft of planet carrier is odd-side pto＝power take-off.
Described oil separator is being set between on planet carrier output shaft two block bearings, and the two ends of oil separator all contact with bearing inner race.
As shown from the above technical solution, the selflubricating planet wheel gear box sub-case that the utility model provides changes the high and low gear of prior art gearbox and puts, by locating stud, high gear synchronization device cone ring is directly installed on the hub disk of planet carrier, be directly installed on casing by splined by low gear synchronization device cone ring, the synchronous conical ring of high gear is between planetary gear train and low gear synchronization device cone ring; High and low gear synchronization device cone ring is provided with external splines; The flip sleeve of synchronizer is connected with planetary gear train ring gear, and flip sleeve inwall is provided with internal spline; Odd-side power input shaft is gear shaft, and gear shaft cogs as planetary gear train sun gear, and in planetary gear train, the output shaft of planet carrier is directly as odd-side pto＝power take-off; When this odd-side carries out the conversion of high and low gear, flip sleeve and the movement jointly of planetary gear train ring gear is driven by shift fork, flip sleeve internal spline is engaged with high gear synchronization device cone ring external splines or low gear synchronization device cone ring external splines, thus drive planetary gear train ring gear to be connected with planet carrier or casing, realize the high and low gear gearshift of odd-side.
The inner ring being set in the block bearing on planet wheel shaft is provided with through hole, shoulder hole is had vertically in planet wheel shaft, radially have the oilhole being communicated with through hole on shoulder hole and inner ring, in ladder hole, the step of aperture and intermediate hole form oil storage tank, lubricant oil when bearing planetary gear train rotates in oil storage tank is flowed in the through hole on block bearing inner ring by oilhole, thus lubricates block bearing.
Oil inlet hole and oil storage hole is offered respectively in the output shaft of power input shaft and planet carrier, Oil Guide cover is communicated with oil inlet hole and oil storage hole, lubricant oil enters oil storage hole from power input shaft, oil guide slot on the oil separator mouth of pipe and both sides bearing inner race form cavity, oil guiding hole is communicated with oil storage hole and cavity, when planet carrier rotates, the lubricant oil be stored in oil storage hole enters cavity by oil guiding hole under the influence of centrifugal force, thus lubricates the block bearing on the output shaft of planet carrier.
Compared with prior art, the beneficial effects of the utility model are:
In the odd-side that the utility model provides, high gear synchronization device cone ring is directly installed on planet carrier, low gear synchronization device cone ring is directly installed on odd-side casing, the synchronous conical ring of high gear is between planetary gear train and low gear synchronization device cone ring, planetary gear train sun gear place gear shaft is odd-side power input shaft, the output shaft of planet carrier is pto＝power take-off, simplify odd-side structure, shorten the axial length of odd-side, odd-side inner body quantity is few, planet wheel shaft and block bearing inner ring offer through hole, sheathed oil separator on planet carrier, above structure can provide effective to the block bearing on planetary gear train, reliable lubrication.
The odd-side structure that the utility model provides is simple, and number of spare parts is few, and axial length is short, and can provide the block bearing in odd-side and effectively, reliably lubricate, and cost of production is low, can widely use in Medium or severe type lorry multi-gear gear-case.
Accompanying drawing explanation
The selflubricating planet wheel gear box sub-case overall structure figure that Fig. 1 provides for the utility model.
Fig. 2 is odd-side planet wheel shaft structure schematic diagram.
Fig. 3 is the structural representation of oil separator.
Fig. 4 is the whole-cutaway view of oil separator.
Wherein, 1-sun gear, 2-planet wheel, 3-planet wheel shaft, 4-locating stud, 5-ring gear, 6-high gear synchronization device cone ring, 7-jump ring, 8-flip sleeve, 9-shift fork, 10-shifting cylinder assembly, 11-low gear synchronization device cone ring, 12-casing, 13-planet carrier, 14-power input shaft, 15-cylinder, 16-planet carrier output shaft, 17-block bearing, 18-elastic positioning pin, 19-shoulder hole, 191-aperture, 192-intermediate hole, 193-macropore, 20-oilhole, 21-positioning pin hole, 22-oil inlet hole, 23-Oil Guide cover, 24-oil storage hole, 25-oil guiding hole, 26-oil separator, 27-oil guide slot.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail.
The selflubricating planet wheel gear box sub-case that the utility model provides, overall structure as shown in Figure 1, at least comprise casing 12, be arranged on the shifting cylinder assembly 10 on casing, the shift fork 9 be connected with shifting cylinder assembly, the flip sleeve 8 of the synchronizer stirred by shift fork, be arranged on the power input shaft 14 on casing, realize the planetary gear train of torque drive and moment of torsion output, planetary gear train is prior art, comprise sun gear 1, ring gear 5, planet wheel 2, planet wheel shaft 3, and planet carrier 13, described planet carrier comprises shroud, hub disk, the dunnage connecting shroud and hub disk and the output shaft 16 be connected with hub disk, wherein planet carrier output shaft 16 is directly as the pto＝power take-off of odd-side, power input shaft 14 is gear shaft, the gear on gear shaft top is the sun gear of planetary gear train, planet wheel shaft is fixed on the shroud of planet carrier by the elastic positioning pin 18 be arranged in radial location pin-and-hole 21, the inner ring being set in the block bearing 17 on planet wheel shaft is provided with through hole, the structure of planet wheel shaft as shown in Figure 2, shoulder hole 19 is had vertically in planet wheel shaft, radially have the oilhole 20 being communicated with through hole on shoulder hole and inner ring, described shoulder hole is three grades of ladder holes, comprise the aperture 191 near input shaft, near macropore 192 and the intermediate hole 192 being communicated with macropore and aperture of output shaft, locating stud 4 is provided with in macropore, the step of aperture, the end face composition oil storage tank of intermediate hole and locating stud.
The oil inlet hole 22 of through hole as odd-side is offered vertically in power input shaft, blind hole is offered vertically as oil storage hole 24 in the output shaft of planet carrier, be provided with the Oil Guide being communicated with oil inlet hole and oil storage hole in oil inlet hole and overlap 23, the output shaft of planet carrier is arranged with oil separator 26, the structure of oil separator as shown in Figure 3 and Figure 4, described oil separator is the pipe that both ends open extends out, the inwall of the pipe two ends mouth of pipe is equipped with more than 2 oil guide slot 27, the oil guiding hole 25 being communicated with oil storage hole and oil guide slot is radially offered in the output shaft of planet carrier, oil separator is being set between on planet carrier output shaft two block bearings, the two ends of oil separator all contact with bearing inner race.
Synchronizer is set on planet carrier output shaft 16, and high gear synchronization device cone ring 6 is connected with planet carrier by locating stud 4; Ring gear is connected with the flip sleeve 8 of synchronizer, and flip sleeve outer wall is provided with the external splines engaged with ring gear, and inwall is provided with internal spline, the ring gear splined of flip sleeve and planetary gear train and being locked by jump ring 7; High gear synchronization device cone ring 6 and low gear synchronization device cone ring 11 are installed in flip sleeve, and all with flip sleeve splined; One end of low gear synchronization device cone ring is fixed in odd-side casing 12, and is connected with odd-side casing by spline, and high gear synchronization device cone ring is between planetary gear train and low gear synchronization device cone ring.
When operator sends kickdown signal, air inlet on the left of cylinder 15, shifting cylinder assembly drives shift fork to move to right, ring gear stirred by shift fork, jump ring and flip sleeve entirety move right, through synchronous working process, final flip sleeve spline engages with low gear synchronization device cone ring external splines, now, in planetary gear train, ring gear passes through flip sleeve, low gear synchronization device cone ring and odd-side casing join together, planetary gear train works, play a part to slow down to increase and turn round, the moment of torsion of power input shaft input is exported by planetary system support after planetary gear train transforms, Fig. 1 is the overall structure schematic diagram of odd-side under low gear state.
When operation send change high gear signal time, air inlet on the right side of cylinder, shifting cylinder assembly drives shift fork to move to left, shift fork is stirred ring gear, jump ring and flip sleeve entirety and is moved to the left, and through synchronous working process, final flip sleeve spline engages with high gear synchronization device cone ring external splines, now, in planetary gear train, ring gear is joined together by flip sleeve, high gear synchronization device cone ring and locating stud and planet carrier, and planetary gear train does not work, and the moment of torsion of power input shaft input is directly exported by planet carrier.
Claims (7)
1. a selflubricating planet wheel gear box sub-case, at least comprise casing, be arranged on the shifting cylinder assembly on casing, the shift fork be connected with shifting cylinder assembly, the synchronizer stirred by shift fork, be arranged on the power input shaft on casing, and realize the planetary gear train of torque drive and moment of torsion output, described planetary gear train comprises planet wheel, sun gear, ring gear, planet wheel shaft and planet carrier, described planet carrier comprises shroud, hub disk, the dunnage connecting shroud and hub disk and the output shaft be connected with hub disk, it is characterized in that: power input shaft is gear shaft, the gear on gear shaft top is the sun gear of planetary gear train, synchronizer is set on the output shaft of planet carrier, flip sleeve in synchronizer is connected with the ring gear in planetary gear train, low gear synchronization device cone ring is directly fixed on casing, high gear synchronization device cone ring is connected with planet carrier, the synchronous conical ring of high gear is between planetary gear train and low gear synchronization device cone ring, the planet wheel shaft of planetary gear train is fixed on the shroud of planet carrier by elastic positioning pin, the inner ring being set in the block bearing on planet wheel shaft is provided with through hole, shoulder hole is had vertically in planet wheel shaft, radially have the oilhole being communicated with through hole on shoulder hole and inner ring, described shoulder hole is three grades of ladder holes, comprise aperture, macropore and be communicated with the intermediate hole of macropore and aperture, in macropore, be provided with locating stud, the end face composition oil storage tank of the step of aperture, intermediate hole and locating stud, the oil inlet hole of through hole as odd-side is offered vertically in power input shaft, blind hole is offered vertically as oil storage hole in the output shaft of planet carrier, the Oil Guide cover being communicated with oil inlet hole and oil storage hole is provided with in oil inlet hole, the output shaft of planet carrier is arranged with oil separator, described oil separator is the pipe that both ends open extends out, the inwall of the pipe two ends mouth of pipe is equipped with more than 2 oil guide slot, in the output shaft of planet carrier, radially offers the oil guiding hole being communicated with oil storage hole and oil guide slot.
2. selflubricating planet wheel gear box sub-case according to claim 1, it is characterized in that: the flip sleeve outer wall in synchronizer is provided with the external splines engaged with planetary gear train ring gear, the ring gear splined of flip sleeve and planetary gear train and being locked by jump ring.
3. selflubricating planet wheel gear box sub-case according to claim 1, it is characterized in that: the high and low gear synchronization device cone ring in synchronizer is installed in flip sleeve, and all with flip sleeve splined, one end of low gear synchronization device cone ring is fixed in odd-side casing, and is connected with odd-side casing by spline.
4. selflubricating planet wheel gear box sub-case according to claim 1, is characterized in that: described oilhole is provided with two, in planet wheel shaft last week to uniform.
5. selflubricating planet wheel gear box sub-case according to claim 1, is characterized in that: described high gear synchronization device cone ring is connected with the hub disk of planet carrier by being fixed on the locating stud in ladder hole macropore.
6. selflubricating planet wheel gear box sub-case according to claim 1, is characterized in that: the output shaft of planet carrier is odd-side pto＝power take-off.
7. selflubricating planet wheel gear box sub-case according to claim 1, is characterized in that: described oil separator is being set between on planet carrier output shaft two block bearings, and the two ends of oil separator all contact with bearing inner race.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712829.XU CN204267700U (en) | 2014-11-24 | 2014-11-24 | Selflubricating planet wheel gear box sub-case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420712829.XU CN204267700U (en) | 2014-11-24 | 2014-11-24 | Selflubricating planet wheel gear box sub-case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204267700U true CN204267700U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420712829.XU Expired - Fee Related CN204267700U (en) | 2014-11-24 | 2014-11-24 | Selflubricating planet wheel gear box sub-case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204267700U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281789A (en) * | 2017-07-20 | 2019-01-29 | 东风汽车电气有限公司 | A kind of starter reduction device |
| CN110043640A (en) * | 2019-05-22 | 2019-07-23 | 吉林大学 | A kind of retarder bearing lubrication structure |
| CN113819230A (en) * | 2021-11-03 | 2021-12-21 | 福建中青传动科技有限公司 | Planetary gear mechanism lubricating structure of oilless pump |
-
2014
- 2014-11-24 CN CN201420712829.XU patent/CN204267700U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281789A (en) * | 2017-07-20 | 2019-01-29 | 东风汽车电气有限公司 | A kind of starter reduction device |
| CN109281789B (en) * | 2017-07-20 | 2024-06-11 | 东风电驱动***有限公司 | Starter speed reducer |
| CN110043640A (en) * | 2019-05-22 | 2019-07-23 | 吉林大学 | A kind of retarder bearing lubrication structure |
| CN113819230A (en) * | 2021-11-03 | 2021-12-21 | 福建中青传动科技有限公司 | Planetary gear mechanism lubricating structure of oilless pump |
| CN113819230B (en) * | 2021-11-03 | 2024-03-01 | 福建中青传动科技有限公司 | Planetary gear mechanism lubricating structure without oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20171124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |