CN104373562A - Lubricating planet wheel gearbox secondary box - Google Patents
Lubricating planet wheel gearbox secondary box Download PDFInfo
- Publication number
- CN104373562A CN104373562A CN201410682110.0A CN201410682110A CN104373562A CN 104373562 A CN104373562 A CN 104373562A CN 201410682110 A CN201410682110 A CN 201410682110A CN 104373562 A CN104373562 A CN 104373562A
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- CN
- China
- Prior art keywords
- planet wheel
- gear
- ring
- synchronizer
- shaft
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a lubricating planet wheel gearbox secondary box. The lubricating planet wheel gearbox secondary box comprises a box body, a gear shifting air cylinder assembly installed on the box body, a shifting fork fixedly connected with the gear shifting air cylinder assembly, a synchronizer shifted by the shifting fork, a power input shaft installed on the box body and a planet wheel system realizing torque transmission and torque output, wherein the synchronizer is arranged on an output shaft of a planet frame in the planet wheel system in a sleeving mode, a high-gear synchronizer conical ring of the synchronizer is fixed to the planet frame, a low-gear synchronizer conical ring of the synchronizer is fixed to a secondary box body, and the high-gear synchronizer conical ring is located between the planet wheel system and the low-gear synchronizer conical ring; a through hole is formed in an inner ring arranged on a supporting bearing on a planet wheel shaft in a sleeving mode, a stepped hole is axially formed in the planet wheel shaft, and a lubricating oil hole communicated with the stepped hole and the through hole in the inner ring are formed in the radial direction. The lubricating planet wheel gearbox secondary box is simple in structure, has a few parts and is short in axial length, thereby being low in product cost and capable of being widely used in medium and heavy duty truck gearboxes.
Description
Technical field
The present invention relates to a kind of lubricating type planet wheel gear box sub-case, particularly relate to a kind of lubricating type 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 more than ten grades gearboxes, one independently gearbox be difficult to realize many grades of speed changes, so multi-speed gear box 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 and low shift assembly control lines star wheel series ring gear to be connected with casing or planet carrier, thus realize height gear shift; 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 " (patent No.: 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-grade synchronous cone is between planet carrier and high-grade synchronous cone, the mounting point of high-grade synchronous cone is near casing, low-grade synchronous cone is fixed on odd-side housing by locking plate, and high-grade synchronous cone is fixed on pto＝power take-off by high-grade synchronous cone base; The arrangement of this kind of high and low shelves 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 " (patent No.: 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 object of the invention is to overcome the shortcoming of prior art and a kind of lubricating type planet wheel gear box sub-case is provided, this odd-side structure is simple, and number of spare parts is few, and axial length is short, and can provide planet wheel block bearing and effectively, reliably lubricate, cost of production is low.
Realizing the technological scheme that the object of the invention adopts is, a kind of lubricating type planet wheel gear box sub-case, at least comprise casing, be arranged on the gear shifting cylinder assembly on casing, the shift fork be connected with gear 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, 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, the synchronous conical ring of top grade of synchronizer is fixed on planet carrier, the low-grade synchronization device cone ring of synchronizer is fixed on odd-side casing, high-grade synchronous conical ring is between planetary gear train and low-grade synchronization device cone ring, 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 shelves synchronization device cone ring in synchronizer is installed in flip sleeve, and all with flip sleeve splined, one end of low-grade synchronization device cone ring is fixed in odd-side casing, and is connected with odd-side casing by spline, 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.
Described oilhole is provided with two, in planet wheel shaft last week to uniform.
Described high-grade 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 the pto＝power take-off of odd-side.
As shown from the above technical solution, lubricating type planet wheel gear box sub-case provided by the invention changes the high and low file location of prior art gearbox, by locating stud, high-grade synchronization device cone ring is directly installed on planet carrier, be directly installed on casing by splined by low-grade synchronization device cone ring, high-grade synchronous conical ring is between planetary gear train and low-grade synchronization device cone ring; High and low shelves 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 stent is directly as odd-side pto＝power take-off; When this odd-side carries out the conversion of high and low shelves, 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-grade synchronization device cone ring external splines or low-grade synchronization device cone ring external splines, thus drive planetary gear train ring gear to be connected with planet stent or casing, realize the high and low gear shift 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.
Compared with prior art, beneficial effect of the present invention is:
In odd-side provided by the invention, high-grade synchronization device cone ring is directly installed on planet stent, low-grade synchronization device cone ring is directly installed on odd-side casing, high-grade synchronous conical ring is between planetary gear train and low-grade synchronization device cone ring, planetary gear train sun gear place gear shaft is odd-side power input shaft, the output shaft of planet stent 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 oilhole, this structure can provide effective to planet wheel block bearing, reliable lubrication.
Odd-side structure provided by the invention is simple, and number of spare parts is few, and axial length is short, and can provide planet wheel block bearing and effectively, reliably lubricate, and cost of production is low, can widely use in Medium or severe type lorry multi-speed gear box.
Accompanying drawing explanation
Fig. 1 is lubricating type planet wheel gear box sub-case overall structure figure provided by the invention.
Fig. 2 is odd-side planet wheel shaft structure schematic diagram.
Wherein, 1-sun gear, 2-planet wheel, 3-planet wheel shaft, 4-locating stud, 5-ring gear, the high-grade synchronization device cone ring of 6-, 7-jump ring, 8-flip sleeve, 9-shift fork, 10-gear shifting cylinder assembly, the low-grade synchronization device cone ring of 11-, 12-casing, 13-planet stent, 14-power input shaft, 15-cylinder, 16-planet stent 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.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in detail.
Lubricating type planet wheel gear box sub-case provided by the invention, overall structure as shown in Figure 1, at least comprise casing 12, be arranged on the gear shifting cylinder assembly 10 on casing, the shift fork 9 be connected with gear 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.
Synchronizer is set on planet carrier output shaft 16, and high-grade 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-grade synchronization device cone ring 6 is installed in flip sleeve with low-grade synchronization device cone ring 11, and all with flip sleeve splined; One end of low-grade synchronization device cone ring is fixed in odd-side casing 12, and is connected with odd-side casing by spline, and high-grade synchronization device cone ring is between planetary gear train and low-grade synchronization device cone ring.
When operator sends kickdown signal, air inlet on the left of cylinder 15, gear 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-grade synchronization device cone ring external splines, now, in planetary gear train, ring gear passes through flip sleeve, low-grade 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-grade signal time, air inlet on the right side of cylinder, gear 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-grade synchronization device cone ring external splines, now, in planetary gear train, ring gear is joined together by flip sleeve, high-grade synchronization device cone ring and locating stud and planet stent, and planetary gear train does not work, and the moment of torsion of power input shaft input is directly exported by planet stent.
Claims (4)
1. a lubricating type planet wheel gear box sub-case, at least comprise casing, be arranged on the gear shifting cylinder assembly on casing, the shift fork be connected with gear 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, the synchronous conical ring of top grade of synchronizer is fixed on planet carrier, the low-grade synchronization device cone ring of synchronizer is fixed on odd-side casing, high-grade synchronous conical ring is between planetary gear train and low-grade synchronization device cone ring, 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 shelves synchronization device cone ring in synchronizer is installed in flip sleeve, and all with flip sleeve splined, one end of low-grade synchronization device cone ring is fixed in odd-side casing, and is connected with odd-side casing by spline, 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.
2. lubricating type 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.
3. lubricating type planet wheel gear box sub-case according to claim 1, is characterized in that: described high-grade synchronization device cone ring is connected with the hub disk of planet carrier by being fixed on the locating stud in ladder hole macropore.
4. lubricating type planet wheel gear box sub-case according to claim 1, is characterized in that: the output shaft of planet carrier is the pto＝power take-off of odd-side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682110.0A CN104373562B (en) | 2014-11-24 | 2014-11-24 | A kind of lubricating type planet wheel gear box sub-case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682110.0A CN104373562B (en) | 2014-11-24 | 2014-11-24 | A kind of lubricating type planet wheel gear box sub-case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373562A true CN104373562A (en) | 2015-02-25 |
| CN104373562B CN104373562B (en) | 2015-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410682110.0A Expired - Fee Related CN104373562B (en) | 2014-11-24 | 2014-11-24 | A kind of lubricating type planet wheel gear box sub-case |
Country Status (1)
| Country | Link |
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| CN (1) | CN104373562B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953515A (en) * | 2018-09-21 | 2018-12-07 | 浙江长泰机械有限公司 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
| CN109505964A (en) * | 2018-12-29 | 2019-03-22 | 中国重汽集团济南动力有限公司 | A kind of two speed transmission for electric vehicle |
| CN111609127A (en) * | 2020-06-03 | 2020-09-01 | 重庆永发工业有限公司 | Shifting fork gear shifting method, gearbox, new energy vehicle power assembly and vehicle |
| CN114321296A (en) * | 2021-12-30 | 2022-04-12 | 徐州重型机械有限公司 | Double-speed-ratio planetary reducer structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667538A (en) * | 1983-12-06 | 1987-05-26 | Ab Volvo | Range gearbox for motor vehicles having an axially shiftable ring gear |
| US5390347A (en) * | 1990-07-03 | 1995-02-14 | Zahnradfabrik Friedrichshafen Ag | Range change transmission for vehicles |
| EP1360427B1 (en) * | 2001-02-13 | 2010-07-21 | Volvo Lastvagnar Ab | Synchronization device of locking ring type |
| CN101799062A (en) * | 2010-03-27 | 2010-08-11 | 浙江长泰机械有限公司 | Mid-size vehicle speed changer with main tank and auxiliary tank |
| CN201866208U (en) * | 2010-11-19 | 2011-06-15 | 中国重汽集团济南动力有限公司 | Double-counter shaft gear box spindle and sun gear connecting structure |
| CN102748460A (en) * | 2012-07-13 | 2012-10-24 | 中国重汽集团济南动力有限公司 | Secondary box structure of planet wheel system of speed changing box |
| CN203395150U (en) * | 2013-06-25 | 2014-01-15 | 綦江永跃齿轮有限公司 | Transmission with detachable main gear box and auxiliary gear box |
-
2014
- 2014-11-24 CN CN201410682110.0A patent/CN104373562B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4667538A (en) * | 1983-12-06 | 1987-05-26 | Ab Volvo | Range gearbox for motor vehicles having an axially shiftable ring gear |
| US5390347A (en) * | 1990-07-03 | 1995-02-14 | Zahnradfabrik Friedrichshafen Ag | Range change transmission for vehicles |
| EP1360427B1 (en) * | 2001-02-13 | 2010-07-21 | Volvo Lastvagnar Ab | Synchronization device of locking ring type |
| CN101799062A (en) * | 2010-03-27 | 2010-08-11 | 浙江长泰机械有限公司 | Mid-size vehicle speed changer with main tank and auxiliary tank |
| CN201866208U (en) * | 2010-11-19 | 2011-06-15 | 中国重汽集团济南动力有限公司 | Double-counter shaft gear box spindle and sun gear connecting structure |
| CN102748460A (en) * | 2012-07-13 | 2012-10-24 | 中国重汽集团济南动力有限公司 | Secondary box structure of planet wheel system of speed changing box |
| CN203395150U (en) * | 2013-06-25 | 2014-01-15 | 綦江永跃齿轮有限公司 | Transmission with detachable main gear box and auxiliary gear box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953515A (en) * | 2018-09-21 | 2018-12-07 | 浙江长泰机械有限公司 | A kind of auxiliary support mechanism for speed changer planetary mechanism assembly |
| CN109505964A (en) * | 2018-12-29 | 2019-03-22 | 中国重汽集团济南动力有限公司 | A kind of two speed transmission for electric vehicle |
| CN111609127A (en) * | 2020-06-03 | 2020-09-01 | 重庆永发工业有限公司 | Shifting fork gear shifting method, gearbox, new energy vehicle power assembly and vehicle |
| CN114321296A (en) * | 2021-12-30 | 2022-04-12 | 徐州重型机械有限公司 | Double-speed-ratio planetary reducer structure |
| CN114321296B (en) * | 2021-12-30 | 2024-02-13 | 徐州重型机械有限公司 | Double-speed-ratio planetary reducer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104373562B (en) | 2015-10-14 |
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