CN102392890B - Transmission lubricating system and transmission - Google Patents
Transmission lubricating system and transmission Download PDFInfo
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- CN102392890B CN102392890B CN201110166951.2A CN201110166951A CN102392890B CN 102392890 B CN102392890 B CN 102392890B CN 201110166951 A CN201110166951 A CN 201110166951A CN 102392890 B CN102392890 B CN 102392890B
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- oil
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- transmission
- transmission shaft
- speed changer
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Abstract
The invention provides a transmission lubricating system and a transmission. The transmission lubricating system comprises an oil pump and a shunt, wherein the oil pump is used to pressurize lubricating oil; one end of the shunt is provided with an oil inlet port of the lubricating oil subjected to pressurization, the other end is provided with two oil outlet ports, one of the oil outlet ports is connected with at least one nozzle which is used to spray the lubricating oil on a wheel gear and a synchronizer, and the other oil outlet port is connected with an oil duct which is arranged in the middle of a transmission shaft. The lubricating system structure provided by the invention can fully lubricate each component in the transmission, reduce the abrasion of each interior component of the transmission and then prolong the service life of the transmission.
Description
Technical field
The present invention relates generally to speed changer field, refers to especially a kind of transmission lubrication system and speed changer.
Background technique
The lubricated of speed changer generally rotated and driven lubricating oil splash to realize by internals, as speed changer middle gear, synchronizer, the bearing main gear that relies in Vehicle Driving Cycle process stirs splash lubrication after lubricant oil, but because the lubricant oil sputtering is limited, the easy dry friction of each member and cause member damage, so this lubricating system is unsatisfactory for the lubrication effect of speed changer, and then cause speed changer internals wearing and tearing aggravation, reduce working life.
Summary of the invention
The present invention proposes a kind of transmission lubrication system and speed changer, can carry out sufficient lubrication to the each member in speed changer, reduces the wearing and tearing of the inner each member of speed changer, thereby extends the working life of speed changer.
Technological scheme of the present invention is achieved in that
A kind of transmission lubrication system, be applied in speed changer, described speed changer comprises transmission shaft, gear, synchronizer, in the middle of described transmission shaft, be provided with oil duct, on described transmission shaft, be also provided with at least one duct, the one end in described duct is communicated with described oil duct, and the other end in described duct is for spraying to lubricant oil between the retainer and inner ring of described transmission shaft, and described transmission lubrication system comprises:
Oil pump, for pressurizeing to lubricant oil;
Shunt, one end of described shunt is provided with an oil-feed port that receives the lubricant oil after pressurization, the other end is provided with two fuel-displaced ports, one of them fuel-displaced port is connected to the shower nozzle of described gear and described synchronizer lubricating oil spraying with at least one, and another fuel-displaced port is connected with the oil duct in the middle of being arranged at described transmission shaft.
Preferably, also comprise:
The first relief valve, is arranged between described oil pump and described shunt, for the oil pressure of the lubricant oil that guarantees described shower nozzle and described oil duct, is greater than first threshold.
Preferably, also comprise:
The second relief valve, is arranged between described oil pump and described shunt, for the oil pressure of the lubricant oil that guarantees described shower nozzle and described oil duct, is less than Second Threshold.
Preferably, also comprise:
Radiator, is arranged between described oil pump and described shunt, for carrying out cooling to lubricant oil.
Preferably, also comprise:
Filter, for filtering the lubricant oil that enters described oil pump.
Preferably, described shower nozzle is seedpod of the lotus shape shower nozzle.
A kind of speed changer, comprise transmission shaft, gear, synchronizer, in the middle of described transmission shaft, be provided with oil duct, on described transmission shaft, be also provided with at least one duct, the one end in described duct is communicated with described oil duct, the other end in described duct is for spraying to lubricant oil between the retainer and inner ring of described transmission shaft, and described speed changer also comprises foregoing transmission lubrication system.
Preferably, described oil duct is arranged at the shaft core position of described transmission shaft.
Preferably, described duct and described oil duct angulation are greater than or less than 90 degree.
Technical solution of the present invention provides a kind of brand-new lubrication system, by the design of shower nozzle, duct and other parts, can lubricate fully the member in speed changer, thus the wearing and tearing of the inner each member of minimizing speed changer, the working life of prolongation speed changer.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is an embodiment's of a kind of speed changer of invention structural representation;
Fig. 2 is the hydraulic principle schematic diagram of speed changer shown in Fig. 1;
Fig. 3 is the structural representation of oil duct and duct relation;
Fig. 4 is the structural representation of seedpod of the lotus shape shower nozzle.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
With reference to Fig. 1, in an embodiment of a kind of speed changer of the present invention, described speed changer comprises transmission shaft 8, gear (not shown), synchronizer (not shown), in the middle of described transmission shaft 8, be provided with oil duct 81, on described transmission shaft 8, be also provided with at least one duct 82, the one end in described duct 82 is communicated with described oil duct 81, the other end in described duct 82 is for spraying to lubricant oil between the retainer and inner ring of described transmission shaft 8, and described speed changer also comprises transmission lubrication system.
In a preferred embodiment of the invention, described oil duct 81 is arranged at the shaft core position of described transmission shaft 8, and certainly, described oil duct 81 also can be arranged at other positions of described transmission shaft 8, and the present invention does not limit this.
In order to reach better lubrication effect, preferred described duct 82 is greater than or less than 90 degree with described oil duct 81 angulations, is also that described duct 82 is inclined hole, and Fig. 3 shows the structural representation in oil duct 81 and duct 82.
Various embodiments of the present invention do not limit the number in described duct 82, can set according to the concrete condition in speed changer and real needs.
Described transmission lubrication system comprises oil pump 3 and shunt 1:
Described oil pump 3, for pressurizeing to lubricant oil; One end of described shunt 1 is provided with an oil-feed port that receives the lubricant oil after pressurization, the other end is provided with two fuel-displaced ports, one of them fuel-displaced port is connected to the shower nozzle 7 of described gear and described synchronizer lubricating oil spraying with at least one, and another fuel-displaced port is connected with the oil duct 81 in the middle of being arranged at described transmission shaft 8.
Various embodiments of the present invention do not limit the number of described shower nozzle 7, can set according to the concrete condition in speed changer and real needs, and the number of shower nozzle 7 is preferably and can covers all gear engagement places and synchronizer for best.
Described shunt 1 specifically can be realized by three-way interface (as three-way valve) or other member, and the embodiment of the present invention does not limit this.
In addition, described transmission lubrication system also comprises:
In another embodiment of the present invention, also comprise:
The first relief valve 6, is arranged between described oil pump 3 and described shunt 1, for the oil pressure of the lubricant oil that guarantees described shower nozzle 7 and described oil duct 81, is greater than first threshold.
Described the first relief valve 6 is arranged on the oil pipe between described oil pump 3 and described shunt 1, described the first relief valve 6 plays a switch, when flowing out the oil pressure of lubricant oil of described oil pump 3 while being less than first threshold, described the first relief valve 6 cuts out, thereby stop oil pressure to be less than the interior each member of oil lubrication speed changer of first threshold, when the oil pressure of lubricant oil is greater than first threshold, described the first relief valve 6 is opened, make lubricant oil can lubricate each member in speed changer, thereby guarantee that lubricant oil has enough pressure, reaches better lubrication effect.
It should be noted that, described first threshold can be set arbitrarily according to actual conditions and actual demand, and various embodiments of the present invention do not limit this.
Preferably, also comprise:
The second relief valve 5, is arranged between described oil pump 3 and described shunt 1, for the oil pressure of the lubricant oil that guarantees described shower nozzle 7 and described oil duct 81, is less than Second Threshold.
Described the second relief valve 5 is arranged on the oil pipe between described oil pump 3 and described shunt 1, described the second relief valve 5 plays a switch, when flowing out the oil pressure of lubricant oil of described oil pump 3 while reaching Second Threshold, described the second relief valve 5 is opened, lubricant oil flows into fuel tank from the second relief valve 5, thereby stops oil pressure to continue to increase, when the oil pressure of lubricant oil is less than Second Threshold, described the second relief valve 5 cuts out, and makes lubricant oil lubricate each member in speed changer through the first relief valve 6.
Each pressure that each pipe fitting can bear in speed changer is limited, and for the better each member of protection, it is necessary making the oil pressure of lubricant oil remain under a limit.
It should be noted that, described Second Threshold can be set arbitrarily according to actual conditions and actual demand, and various embodiments of the present invention do not limit this.And under normal conditions, described Second Threshold is greater than described first threshold.
Preferably, described transmission lubrication system also comprises:
Between described filter 2, oil pump 3, radiator 4, shunt 1, shower nozzle 7 and oil duct 81, all pass through to connect for the conduit (oil pipe) of lubricant oil circulation.
In a preferred embodiment of the invention, described shower nozzle 7 is seedpod of the lotus shape shower nozzle, and Fig. 4 shows the structural representation of seedpod of the lotus shape shower nozzle.
Technical solution of the present invention provides a kind of brand-new lubrication system, by the design of shower nozzle 7, duct 82 and other parts, can lubricate fully the member in speed changer, thus the wearing and tearing of the inner each member of minimizing speed changer, the working life of prolongation speed changer.
In addition, the invention also discloses a kind of transmission lubrication system, above, each embodiment's part have been described in detail composition structure, working procedure and the working principle of described transmission lubrication system, for length is considered, do not repeat them here, concrete with reference to the description of relevant portion above.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a transmission lubrication system, be applied in speed changer, described speed changer comprises transmission shaft (8), gear, synchronizer, it is characterized in that, in the middle of described transmission shaft (8), be provided with oil duct (81), on described transmission shaft (8), be also provided with at least one duct (82), the one end in described duct (82) is communicated with described oil duct (81), described duct (82) is greater than or less than 90 degree with described oil duct (81) angulation, the other end in described duct (82) is for spraying to lubricant oil between the retainer and inner ring of described transmission shaft (8), described transmission lubrication system comprises:
Oil pump (3), for pressurizeing to lubricant oil;
Shunt (1), one end of described shunt (1) is provided with an oil-feed port that receives the lubricant oil after pressurization, the other end is provided with two fuel-displaced ports, one of them fuel-displaced port is connected to the shower nozzle (7) of described gear and described synchronizer lubricating oil spraying with at least one, and another fuel-displaced port is connected with the oil duct (81) in the middle of being arranged at described transmission shaft (8).
2. transmission lubrication system according to claim 1, is characterized in that, also comprises:
The first relief valve (6), is arranged between described oil pump (3) and described shunt (1), for the oil pressure of the lubricant oil that guarantees described shower nozzle (7) and described oil duct (81), is greater than first threshold.
3. transmission lubrication system according to claim 2, is characterized in that, also comprises:
The second relief valve (5), is arranged between described oil pump (3) and described shunt (1), for the oil pressure of the lubricant oil that guarantees described shower nozzle (7) and described oil duct (81), is less than Second Threshold.
4. transmission lubrication system according to claim 3, is characterized in that, also comprises:
Radiator (4), is arranged between described oil pump (3) and described shunt (1), for carrying out cooling to lubricant oil.
5. according to the transmission lubrication system described in claim 1 to 4 any one, it is characterized in that, also comprise:
Filter (2), for filtering the lubricant oil that enters described oil pump (3).
6. transmission lubrication system according to claim 5, is characterized in that, described shower nozzle (7) is seedpod of the lotus shape shower nozzle.
7. a speed changer, comprise transmission shaft (8), gear, synchronizer, it is characterized in that, in the middle of described transmission shaft (8), be provided with oil duct (81), on described transmission shaft (8), be also provided with at least one duct (82), the one end in described duct (82) is communicated with described oil duct (81), the other end in described duct (82) is for spraying to lubricant oil between the retainer and inner ring of described transmission shaft (8), and described speed changer also comprises the transmission lubrication system as described in claim 1 to 6 any one.
8. speed changer according to claim 7, is characterized in that, described oil duct (81) is arranged at the shaft core position of described transmission shaft (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166951.2A CN102392890B (en) | 2011-06-21 | 2011-06-21 | Transmission lubricating system and transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110166951.2A CN102392890B (en) | 2011-06-21 | 2011-06-21 | Transmission lubricating system and transmission |
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| Publication Number | Publication Date |
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| CN102392890A CN102392890A (en) | 2012-03-28 |
| CN102392890B true CN102392890B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110166951.2A Active CN102392890B (en) | 2011-06-21 | 2011-06-21 | Transmission lubricating system and transmission |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728357A (en) * | 2015-03-25 | 2015-06-24 | 陕西法士特齿轮有限责任公司 | Seven-gear single-box three-countershaft transmission |
| CN106641205A (en) * | 2015-10-28 | 2017-05-10 | 长城汽车股份有限公司 | Lubrication assembly for gearbox and vehicle with lubrication assembly |
| CN105276130A (en) * | 2015-11-24 | 2016-01-27 | 綦江奔力齿轮有限公司 | Speed reduction drive system provided with damping gears and circulating cooling device and used for stereoscopic garage |
| CN105605206A (en) * | 2015-11-24 | 2016-05-25 | 綦江奔力齿轮有限公司 | Speed reducing transmission device with oil spray lubrication and circulation cooling structure |
| CN105257817A (en) * | 2015-11-24 | 2016-01-20 | 綦江奔力齿轮有限公司 | Integrated reduction drive system with circulating cooling device and gas-pressure balance device |
| CN105276152A (en) * | 2015-11-24 | 2016-01-27 | 綦江奔力齿轮有限公司 | Solid garage deceleration driving system having circular cooling device |
| ITUA20164175A1 (en) * | 2016-06-07 | 2017-12-07 | Ge Avio Srl | SPRAY BAR FOR LUBRICATING GEARS OF GEARS IN A PLANETARY TRANSMISSION |
| CN106090196A (en) * | 2016-08-30 | 2016-11-09 | 安徽鼎梁生物能源科技开发有限公司 | A kind of cooling system of biomass granulation machine |
| CN106641216A (en) * | 2017-02-24 | 2017-05-10 | 中国重汽集团济南动力有限公司 | External lubrication device for transmission and method |
| CN110094489A (en) * | 2019-04-25 | 2019-08-06 | 北京航天发射技术研究所 | High-power machinery speed changer active lubrication device and method |
| CN112944191A (en) * | 2021-02-06 | 2021-06-11 | 哈尔滨东安汽车发动机制造有限公司 | Mix dynamic transmission motor cooling and lubrication structure |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB770502A (en) * | 1955-03-11 | 1957-03-20 | Caterpillar Tractor Co | Lubrication means for tractor driving member |
| AT393879B (en) * | 1988-05-09 | 1991-12-27 | Steyr Daimler Puch Ag | LUBRICATION DEVICE FOR DISTRIBUTION GEARBOXES OF A MOTOR VEHICLE |
| JPH09109715A (en) * | 1995-10-21 | 1997-04-28 | Jidosha Buhin Kogyo Kk | Lubricating device of transfer |
| JP2000274516A (en) * | 1999-03-25 | 2000-10-03 | Isuzu Motors Ltd | Transmission lubricating device |
| CN201687923U (en) * | 2010-05-28 | 2010-12-29 | 江苏常发实业集团有限公司 | Pressure lubrication device of tractor gearbox |
| CN201731051U (en) * | 2010-08-06 | 2011-02-02 | 安徽江淮汽车股份有限公司 | Heavy truck transmission gear oil cooling system |
| CN101985974B (en) * | 2010-11-12 | 2013-03-27 | 洛阳舒诚机械设备有限公司 | Cooling lubrication system and method for pile driver reducer |
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Owner name: SANY AUTOMOBILE MANUFACTURING CO., LTD. Free format text: FORMER OWNER: SANYI HEAVY INDUSTRY CO LTD Effective date: 20130502 |
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Effective date of registration: 20130502 Address after: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant after: SANY Automobile Manufacturing Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Applicant before: Sanyi Heavy Industry Co., Ltd. |
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Effective date of registration: 20160120 Address after: Concentrated area Sany E district office building 422000 Shaoyang City, Hunan Province, Shaoyang Baoqing Industrial Avenue Shuangqing District Patentee after: HUNAN AUTOMOBILE MANUFACTURING CO., LTD. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: SANY Automobile Manufacturing Co., Ltd. |
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Effective date of registration: 20190422 Address after: 422002 Shaoyang Shuangqing District, Shaoyang Avenue, Baoqing Industrial Concentration Zone, Sanyi Heavy Industry Area E Office Building, Shaoyang City, Hunan Province Patentee after: Sanyi Special Vehicle Co., Ltd. Address before: 422000 Office Building of Sanyi Heavy Industry Area E, Shaoyang Avenue Baoqing Industrial Concentration Zone, Shuangqing District, Shaoyang City, Hunan Province Patentee before: HUNAN AUTOMOBILE MANUFACTURING CO., LTD. |