CN203823028U - Differential planet lubrication structure for continuously variable transmission of tractor - Google Patents
Differential planet lubrication structure for continuously variable transmission of tractor Download PDFInfo
- Publication number
- CN203823028U CN203823028U CN201420231009.9U CN201420231009U CN203823028U CN 203823028 U CN203823028 U CN 203823028U CN 201420231009 U CN201420231009 U CN 201420231009U CN 203823028 U CN203823028 U CN 203823028U
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- China
- Prior art keywords
- oil
- vertical
- wheel shaft
- horizontal
- planet carrier
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005461 lubrication Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 title abstract 2
- 241000239290 Araneae Species 0.000 claims description 28
- 230000001050 lubricating effect Effects 0.000 claims description 10
- 239000003921 oil Substances 0.000 description 61
- 239000000314 lubricant Substances 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
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- General Details Of Gearings (AREA)
Abstract
A differential planet lubrication structure for a continuously variable transmission of a tractor comprises an input shaft, a left planet carrier, plugs, a left planet wheel shaft, a right planet wheel shaft, a right planet carrier, a sun wheel shaft, a bonded washer, a check ring and an oil pipe joint. A horizontal oil hole and a vertical oil hole are formed in the input shaft, an annular oil groove and a vertical oil channel are arranged at an internal spline of the left planet carrier, and the left planet wheel shaft is provided with a horizontal oil channel, a vertical oil inlet hole and a vertical lubrication hole; the right planet wheel shaft is provided with a horizontal oil channel, a vertical oil inlet hole and a vertical lubrication hole, the right planet carrier is provided with an annular oil storage tank and a vertical oil channel, the sun wheel shaft is provided with a horizontal oil hole and vertical oil outlets, two vertical oil outlet holes are formed in gears of the sun wheel shaft respectively, and one vertical oil outlet hole is formed between the two gears; the oil pipe joint is installed in the horizontal oil hole of the input shaft, the check ring is fastened inside the horizontal oil hole of the sun wheel shaft, and the oil pipe joint is installed in a circular ring formed by the bonded washer and the check ring in a sleeved mode; the plugs are fastened inside the horizontal oil channel of the left planet wheel shaft and the horizontal oil channel of the right planet wheel shaft.
Description
Technical field
The utility model belongs to tractor field, relates to a kind of tractor speed changer lubricating structure, relates in particular to a kind of tractor stepless speed variator differential planetary lubricating structure.
Background technique
As everyone knows, stepless speed changing tractor can make tractor obtain desirable operating rate, and can make full use of the power of motor, enhances productivity, energy-saving and cost-reducing, and it is good to control travelling comfort.At present, Europe, the United States' stepless speed changing tractor technology is mature on the whole, its product mass marketed, and market prospects are good.The core component of stepless speed changing tractor speed changer is differential planetary mechanism, and this mechanism is formed by two single planetary row parallel combinations, and on planet row, all parts are all revolving part, and the bearing lubrication on planet wheel is difficult to solve by traditional lubrication mode.Therefore it is completely necessary, developing a kind of lubricating structure that can meet rotation differential planetary row upper planet wheel bearing lubrication requirement.
Model utility content
The purpose of this utility model is to provide a kind of tractor stepless speed variator differential planetary lubricating structure that can meet rotation differential planetary row upper planet wheel bearing lubrication requirement.
The technical solution of the utility model is: tractor stepless speed variator differential planetary lubricating structure, comprising: input shaft, left planet carrier, plug, left lateral spider gear shaft, right lateral spider gear shaft, right planet carrier, sun wheel shaft, bonded washer, back-up ring, oil connection; On input shaft, be provided with horizontal oilhole and vertical oilhole, left planet carrier internal spline place is provided with annular oil groove and vertical oil duct, is provided with horizontal oil duct and vertical oil inlet hole and vertical lubrication hole on left lateral spider gear shaft; On right lateral spider gear shaft, be provided with horizontal oil duct and vertical oil inlet hole and vertical lubrication hole, on right planet carrier, be provided with annular oil storage tank and vertical oil duct, in sun wheel shaft, be provided with horizontal oilhole and vertical oil outlet, two vertical oil outlets are arranged on each the gear place in sun wheel shaft, and a vertical oil outlet is arranged between two gears to be located; Oil connection is arranged in the horizontal oilhole on input shaft, and bonded washer is arranged in back-up ring, and back-up ring is fastened in the horizontal oilhole in sun wheel shaft, and oil connection is sleeved in the annulus that bonded washer and back-up ring combine; Plug is fastened in the horizontal oil duct on left lateral spider gear shaft and right lateral spider gear shaft.
Vertical oil duct on left planet carrier is corresponding with the vertical oil inlet hole on left lateral spider gear shaft, and the vertical oil duct on right planet carrier is corresponding with the vertical oil inlet hole on right lateral spider gear shaft.
The utility model can reach following beneficial effect:
All parts that the utility model forms at two single planetary row parallel combinations are all on the differential gear train of revolving part, by rational oil duct, arrange, realized by the bearing lubrication mode on the insoluble planet wheel of traditional lubrication mode, met the lubricating requirement of the differential planetary row upper planet wheel bearing of rotation, for realizing China's independent development stepless speed changing tractor, laid a good foundation.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model tractor stepless speed variator differential planetary lubricating structure.
Embodiment
As shown in Figure 1, the utility model mainly comprises: input shaft 1, left planet carrier 2, plug 3, left lateral spider gear shaft 4, right lateral spider gear shaft 5, right planet carrier 6, sun wheel shaft 7, bonded washer 8, back-up ring 9, oil connection 10; It is characterized in that: on input shaft 1, be provided with horizontal oilhole P and vertical oilhole A, left planet carrier 2 internal spline places are provided with annular oil groove B and vertical oil duct C, on left lateral spider gear shaft 4, be provided with horizontal oil duct E and vertical oil inlet hole D and vertical lubrication hole F; On right lateral spider gear shaft 5, be provided with horizontal oil duct E and vertical oil inlet hole D and vertical lubrication hole F, on right planet carrier 6, be provided with annular oil storage tank G and vertical oil duct C, in sun wheel shaft 7, be provided with horizontal oilhole P and vertical oil outlet H, two vertical oil outlet H are arranged on each the gear place in sun wheel shaft 7, and a vertical oil outlet H is arranged between two gears and locates; Oil connection 10 is arranged in the horizontal oilhole P on input shaft 1, and bonded washer 8 is arranged in back-up ring 9, and back-up ring 9 is fastened in the horizontal oilhole P in sun wheel shaft 7, and oil connection 10 is sleeved in the annulus that bonded washer 8 and back-up ring 9 combine; Plug 3 is fastened in the horizontal oil duct E on left lateral spider gear shaft 4 and right lateral spider gear shaft 5.
Vertical oil duct C on left planet carrier 2 is corresponding with the vertical oil inlet hole D on left lateral spider gear shaft 4, and the vertical oil duct C on right planet carrier 6 is corresponding with the vertical oil inlet hole D on right lateral spider gear shaft 5.
Lubricant oil enters into the horizontal oilhole P on input shaft 1, be divided into two-way, one road lubricant oil enters in the annular oil groove B on left planet carrier 2 by the vertical oilhole A on input shaft 1, centrifugal force along with left planet carrier 2 rotation generations, lubricant oil enters into the vertical oil inlet hole D on left lateral spider gear shaft 4 along the vertical oil duct C on left planet carrier 2, then enter into horizontal oil duct E, then along vertical lubrication hole F, enter into the bearing place on left lateral spider gear shaft 4, bearing is lubricated.Another road lubricant oil enters in the horizontal oilhole P in sun wheel shaft 7 by oil connection 10, the annular slot that the interior ring that bonded washer 8 and back-up ring 9 form and the external diameter of oil connection 10 form, the lubricant oil that can prevent from entering in the horizontal oilhole P in sun wheel shaft 7 refluxes away.The lubricant oil entering in the horizontal oilhole P of sun wheel shaft 7 relies on centrifugal force from three vertical oil outlet H ejections, the sun gear flank of tooth in the lubricant oil Castor Oil sun wheel shaft 7 at the vertical oil outlet H in both sides place wherein, after the lubricant oil ejection at intermediate vertical oil outlet H place, enter in the annular oil storage tank G on right planet carrier 6, centrifugal force along with right planet carrier 6 rotation generations, lubricant oil enters in the vertical oil inlet hole D on right lateral spider gear shaft 5 along the vertical oil duct C on right planet carrier 6, then enter in horizontal oil duct E, then along vertical lubrication hole F, enter into the bearing place on right lateral spider gear shaft 5, bearing is lubricated.
Claims (2)
1. tractor stepless speed variator differential planetary lubricating structure, comprising: input shaft (1), left planet carrier (2), plug (3), left lateral spider gear shaft (4), right lateral spider gear shaft (5), right planet carrier (6), sun wheel shaft (7), bonded washer (8), back-up ring (9), oil connection (10); It is characterized in that: on input shaft (1), be provided with horizontal oilhole (P) and vertical oilhole (A), left planet carrier (2) internal spline place is provided with annular oil groove (B) and vertical oil duct (C), is provided with horizontal oil duct (E) and vertical oil inlet hole (D) and vertical lubrication hole (F) on left lateral spider gear shaft (4); On right lateral spider gear shaft (5), be provided with horizontal oil duct (E) and vertical oil inlet hole (D) and vertical lubrication hole (F), on right planet carrier (6), be provided with annular oil storage tank (G) and vertical oil duct (C), in sun wheel shaft (7), be provided with horizontal oilhole (P) and vertical oil outlet (H), two vertical oil outlets (H) are arranged on each the gear place in sun wheel shaft (7), and a vertical oil outlet (H) is arranged between two gears and locates; Oil connection (10) is arranged in the horizontal oilhole (P) on input shaft (1), bonded washer (8) is arranged in back-up ring (9), back-up ring (9) is fastened in the horizontal oilhole (P) in sun wheel shaft (7), and oil connection (10) is sleeved in the annulus that bonded washer (8) and back-up ring (9) combine; Plug (3) is fastened in the horizontal oil duct (E) on left lateral spider gear shaft (4) and right lateral spider gear shaft (5).
2. tractor stepless speed variator differential planetary lubricating structure according to claim 1, it is characterized in that: the vertical oil duct (C) on left planet carrier (2) is corresponding with the vertical oil inlet hole (D) on left lateral spider gear shaft (4), the vertical oil duct (C) on right planet carrier (6) is corresponding with the vertical oil inlet hole (D) on right lateral spider gear shaft (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420231009.9U CN203823028U (en) | 2014-05-08 | 2014-05-08 | Differential planet lubrication structure for continuously variable transmission of tractor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420231009.9U CN203823028U (en) | 2014-05-08 | 2014-05-08 | Differential planet lubrication structure for continuously variable transmission of tractor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203823028U true CN203823028U (en) | 2014-09-10 |
Family
ID=51478534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420231009.9U Expired - Lifetime CN203823028U (en) | 2014-05-08 | 2014-05-08 | Differential planet lubrication structure for continuously variable transmission of tractor |
Country Status (1)
Country | Link |
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CN (1) | CN203823028U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358859A (en) * | 2014-11-24 | 2015-02-18 | 盛瑞传动股份有限公司 | Planet row lubricating system for gearbox |
WO2016101425A1 (en) * | 2014-12-26 | 2016-06-30 | 南京高速齿轮制造有限公司 | Lubrication branch of planetary gear train |
WO2021063236A1 (en) * | 2019-09-30 | 2021-04-08 | 比亚迪股份有限公司 | Drive axle assembly for vehicle |
-
2014
- 2014-05-08 CN CN201420231009.9U patent/CN203823028U/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104358859A (en) * | 2014-11-24 | 2015-02-18 | 盛瑞传动股份有限公司 | Planet row lubricating system for gearbox |
WO2016101425A1 (en) * | 2014-12-26 | 2016-06-30 | 南京高速齿轮制造有限公司 | Lubrication branch of planetary gear train |
WO2021063236A1 (en) * | 2019-09-30 | 2021-04-08 | 比亚迪股份有限公司 | Drive axle assembly for vehicle |
US11808334B2 (en) | 2019-09-30 | 2023-11-07 | Byd Company Limited | Drive axle assembly for vehicle |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20140910 |