CN103195912A - Gear box of rail transit vehicle - Google Patents
Gear box of rail transit vehicle Download PDFInfo
- Publication number
- CN103195912A CN103195912A CN2013101255963A CN201310125596A CN103195912A CN 103195912 A CN103195912 A CN 103195912A CN 2013101255963 A CN2013101255963 A CN 2013101255963A CN 201310125596 A CN201310125596 A CN 201310125596A CN 103195912 A CN103195912 A CN 103195912A
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- oil
- box
- gear shaft
- axletree
- lower box
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Abstract
The invention relates to a gear box of a rail transit vehicle. The gear box comprises an upper box, a lower box, an input gear shaft, a middle gear shaft, a middle shaft rack wheel, an axle and an axle rack wheel. Subdivision joint surfaces of the upper box and the lower box pass central axes of the axle and the middle gear shaft. The upper box is provided with a boom mounting seat and a safety nose. Lubricating guide ribs are disposed on the upper box, a primary oil collecting groove and three independent secondary oil collecting grooves are arranged below the lubricating guide ribs, and an oil level plate is disposed on the primary oil collecting groove. Lubricating oil in the primary oil collecting groove overflows to the three independent secondary oil collecting grooves to provide lubrication for steady bearings through oil ways. A primary oil tank is arranged below the lower box, and a secondary oil tank is arranged below the steady bearing of the axle. The lower portion of the middle shaft rack wheel is immersed into lubricating oil in the primary oil tank, and the lower portion of the axle rack wheel is immersed into the secondary oil tank. An oil filling port corresponding to the secondary oil tank is arranged at the tail of the lower box, and the side wall of the lower box is provided with an oil level observation hole and oil discharge plugs respectively corresponding to the primary oil tank and the secondary oil tank.
Description
Technical field
The present invention relates to gear-box, especially a kind of gear-box of rail traffic vehicles.
Background technique
Track traffic requires very high aspect reliability, usability, maintainability and Security with gear-box.Present track traffic gear-box generally all is by the splash system lubrication mode, though this lubricating system has lubrication effect preferably for the gear meshing mask, but the lubrication effect for spring bearing is undesirable, directly have influence on the working life of spring bearing, improved the maintenance cost of gear-box.As seen, the working state of lubrication system is most important to the working life of gear-box.Therefore, how to improve the lubrication effect of gear-box, improve lubricating efficiency and become the key subjects that those skilled in the art are concerned about naturally.
Summary of the invention
The objective of the invention is to: at adopting the splash system lubrication practical problem undesirable to the lubrication effect of spring bearing in the current track transport gear case, a kind of new lubricating structure that has is provided, especially improves the gear-box of the new rail traffic vehicles of spring bearing lubricating system.
The object of the present invention is achieved like this: from reliability, usability, maintainability and the Security of track traffic gear-box, provide a kind of new track traffic gear-box.
The object of the present invention is achieved like this: a kind of gear-box of rail traffic vehicles, comprise upper box, lower box, input gear shaft, intermediate gear shaft, jack shaft gearwheel, axletree and axletree gearwheel, wherein, last lower box adopts clamping bolt to connect, the subdivision junction plane of last lower box is through the medial axis of axletree and intermediate gear shaft, and upper box is provided with suspension rod fitting seat, safe nose, it is characterized in that:
A) upper box is provided with two symmetrical groups lubricant oil guiding tendon, described two groups of lubricant oil guiding tendons lay respectively at the intersection of case top and sidewall, be respectively equipped with independently time oil trap of main oil trap and three on the upper box sidewall of the below of two groups of lubricant oil guiding tendons, main oil trap is provided with the oil level plate, lubricant oil in the main oil trap overflows into three independently time oil traps by the equilibrium of oil level plate, and the lubricant oil in the inferior oil trap provides lubricated by oil duct independently to the spring bearing of input gear shaft, intermediate gear shaft and axletree respectively; The below of lower box is main oil sump, and the spring bearing of axletree below is provided with time oil sump, overflows into main oil sump after the lubricant oil that is refluxed by the axle support bearing enters time oil sump by spill port;
B) jack shaft gearwheel lower teeth immerses in the lubricant oil of main oil sump, and axletree gearwheel lower teeth immerses in time oil sump;
C) the lower box afterbody is provided with a pouring orifice corresponding with inferior oil sump, and the sidewall of lower box is provided with an oil level peep hole corresponding with the lubricant oil operating fluid level, and two oil drain plugs corresponding with primary and secondary oil sump bottom respectively.
In the present invention: the intermediate gear shaft two ends are provided with stifle, and input gear shaft one end is stifle, and the other end stretches out upper box, and casing is all stretched out at the axletree two ends, and labyrinth seal is all adopted in when input gear shaft and axletree pass through casing and the connecting part of casing.
In the present invention: adopt O type circle and sealer sealing between described stifle and the casing, fixing bolt is fixedlyed connected stifle with casing.
In the present invention: the input end of described input gear shaft is the tapering of 1:50, and the end of input gear shaft is provided with dismounting high pressure oilhole, and oil ga(u)ge and oil hole are adjacent, in the casing corner layout that meets at right angles.
The invention has the advantages that: because lubricant oil guiding tendon and primary and secondary oil trap are set, the lubricant oil that the lubricant oil guiding tendon will splash is introduced main oil trap, enter main oil trap lubricant oil and overflow into time oil trap by the equilibrium of oil level plate, provide man-to-man lubricated by inferior oil trap to the bearing of correspondence, lubricated reliability will obviously improve; Because lower box arranges the primary and secondary oil sump, invade the tooth of a gearwheel bottom in each oil sump respectively, can satisfy the less lubricant oil of in gear-box use just can satisfy the lubricant housings is lubricated purpose fully, both can reduce the energy that gear stirs lubrication oil consumption, can improve lubrication effect again; Because time oil sump directly is the backflow lubricant oil of collecting spring bearing by spill port, can guarantee time reliable oil-collecting of oil sump; Lower box arranges a pouring orifice and two fuel outlets, and pouring orifice is positioned at time oil sump top, and during oiling, oil is introduced into top inferior oil sump, is overflow to main oil sump by inferior oil sump again, and like this, the oil mass of gear-box can be accurately controlled; Two fuel outlets lay respectively at the lowest part of two-layer oil sump, can thoroughly old oil be racked up when changing oil; Lower box is provided with oil hole and oil level peep hole, and oil hole is adjacent with oil ga(u)ge, in the casing corner layout that meets at right angles, when refueling to gear-box, can directly see the dynamic change of oil level from oil ga(u)ge like this, has improved the usability of gear-box.
Description of drawings
Fig. 1 is a kind of embodiment's schematic appearance that the present invention relates to;
Fig. 2 is the internal structure schematic representation of the embodiment of the invention;
Fig. 3 is the structural representation of the primary and secondary oil sump of the embodiment of the invention;
Fig. 4 is that upper box is at the position view that arranges of primary and secondary oil trap.
Among the figure: 1, upper box, 2, lower box, 3, fuel outlet, 4, the oil level peep hole, 5, pouring orifice, 6, the input gear shaft, 7, gear broad in the middle, 8, intermediate gear shaft, 9, axletree, 10, the output gearwheel, 11, the oil level plate, 12, main oil trap, 13, inferior oil trap, 14, main oil sump, 15, inferior oil sump, 16, spill port, 17, lubricant oil guiding tendon, 18, the suspension rod fitting seat, 19, safe nose, 20, stifle, 21, labyrinth seal, 22, dismounting high pressure oilhole.
Embodiment
The nonrestrictive concrete structure that discloses a kind of embodiment who the present invention relates to of accompanying drawing, invention is further described to the design below in conjunction with accompanying drawing.
By Fig. 1 and Fig. 2 as seen, the present invention includes upper box 1, lower box 2, input gear shaft 6, jack shaft gearwheel 7, intermediate gear shaft 8, axletree 9 and axletree gearwheel 10, wherein, upper box 1 adopts clamping bolt to be connected with lower box 2, the subdivision junction plane of last lower box is through the medial axis of axletree 9 and intermediate gear shaft 8, upper box 1 is provided with suspension rod fitting seat 18 and safe nose 19, lower box 2 afterbodys are provided with a pouring orifice 5, the sidewall of lower box 2 be provided with oil drain plug 3 with and the corresponding oil level peep hole 4 of lubricant oil operating fluid level.
In the present embodiment, input gear shaft 6 adopts roller bearing arranged side by side and four-point contact ball combined support in upper box 1, intermediate gear shaft 8 and axletree 9 directly are supported in the subdivision junction plane of lower box by aspectant tapered roller bearing, fixedly mounted jack shaft gearwheel 7 on the intermediate gear shaft 8, fixedly mounted axletree gearwheel 10 on the axletree 9, jack shaft gearwheel 7 and the tooth engagement of importing on the gear shaft, the tooth engagement on axletree gearwheel 10 and the intermediate gear shaft 8.
In the present embodiment, intermediate gear shaft 8 two ends are provided with stifle 20, and input gear shaft 6 one ends are stifle 20, and the other end stretches out upper box 1, casing is all stretched out at axletree 9 two ends, and labyrinth seal 21 is all adopted in when input gear shaft 6 and axletree 9 pass through casing and the connecting part of casing.
During concrete enforcement, adopt O type circle and sealer sealing between described stifle 20 and the casing, fixing bolt is fixedlyed connected stifle 20 with casing.The input end of input gear shaft 6 is the tapering of 1:50, and the end of input gear shaft 6 is provided with on the dismounting high pressure oilhole 22, and oil ga(u)ge and oil hole are adjacent, in the casing corner layout that meets at right angles.
By Fig. 3 Fig. 4 as seen, upper box 1 is provided with two symmetrical groups lubricant oil guiding tendon 17, described two groups of lubricant oil guiding tendons 17 lay respectively at the intersection of case top and sidewall, be respectively equipped with independently time oil trap 13 of main oil trap 12 and three on upper box 1 sidewall of the below of two groups of lubricant oil guiding tendons 17, main oil trap 12 is provided with oil level plate 11, lubricant oil in the main oil trap 12 overflows into three independently time oil traps 13 by 11 equilibriums of oil level plate, the lubricant oil in the inferior oil trap 13 respectively by oil duct independently to input gear shaft 6, the spring bearing of intermediate gear shaft 8 and axletree 9 provides lubricated; The below of lower box 2 is main oil sump 14, and the spring bearing of axletree 9 below is provided with time oil sump 15, overflows into main oil sump 14 after the lubricant oil that is refluxed by axletree 9 spring bearings enters time oil sump 15 by spill port 16.The pouring orifice 5 of lower box 2 afterbodys is corresponding with time oil sump 15, and the sidewall of lower box 2 is provided with an oil level peep hole 4 corresponding with the lubricant oil operating fluid level, is provided with two corresponding with primary and secondary oil sump bottom respectively oil drain plugs 3 simultaneously.After the gear-box assembling, jack shaft gearwheel 7 lower teeth immerse in the lubricant oil of main oil sump 14, and axletree gearwheel 10 lower teeth immerse in time oil sump 15.
In the use, the pouring orifice 5 on the lower box 2 is positioned at the top of time oil sump 14, and the lubricant oil of adding is overflow to main oil sump 15 by inferior oil sump 14.During work, under the driving of input gear shaft 6, jack shaft gearwheel 8 and axletree gearwheel 10 are thrown to upper box 1 top with the lubricant oil in main oil sump 14 and time oil sump 15 respectively, lubricant oil guiding tendon 17 is introduced main oil trap 12 with lubricant oil, after main oil trap 2 oil are full, can be by oil level plate 11 balanced overflowing as three oil grooves 13, each oil groove 13 is linked up by oil duct and input gear shaft 6, intermediate gear shaft 8 and axletree 9 bearings respectively again.Because axletree 9 belows are provided with time oil sump 14, the lubricant oil that flow out in scavenge oil hole 16 directly enters time oil sump 14 backs and overflows to main oil sump 15.The liquid level of lubricant oil can be observed by oil level peep hole 4 at any time.
Claims (4)
1. the gear-box of a rail traffic vehicles, comprise upper box, lower box, input gear shaft, intermediate gear shaft, jack shaft gearwheel, axletree and axletree gearwheel, wherein, last lower box adopts clamping bolt to connect, the subdivision junction plane of last lower box is through the medial axis of axletree and intermediate gear shaft, and upper box is provided with suspension rod fitting seat, safe nose, it is characterized in that:
A) upper box is provided with two symmetrical groups lubricant oil guiding tendon, described two groups of lubricant oil guiding tendons lay respectively at the intersection of case top and sidewall, be respectively equipped with independently time oil trap of main oil trap and three on the upper box sidewall of the below of two groups of lubricant oil guiding tendons, main oil trap is provided with the oil level plate, lubricant oil in the main oil trap overflows into three independently time oil traps by the equilibrium of oil level plate, and the lubricant oil in the inferior oil trap provides lubricated by oil duct independently to the spring bearing of input gear shaft, intermediate gear shaft and axletree respectively; The below of lower box is main oil sump, and the spring bearing of axletree below is provided with time oil sump, overflows into main oil sump after the lubricant oil that is refluxed by the axle support bearing enters time oil sump by spill port;
B) jack shaft gearwheel lower teeth immerses in the lubricant oil of main oil sump, and axletree gearwheel lower teeth immerses in time oil sump;
C) the lower box afterbody is provided with a pouring orifice corresponding with inferior oil sump, and the sidewall of lower box is provided with an oil level peep hole corresponding with the lubricant oil operating fluid level, and two oil drain plugs corresponding with primary and secondary oil sump bottommost respectively.
2. the gear-box of rail traffic vehicles according to claim 1, it is characterized in that: the intermediate gear shaft two ends are provided with stifle, input gear shaft one end is stifle, the other end stretches out upper box, casing is all stretched out at the axletree two ends, and labyrinth seal is all adopted in when input gear shaft and axletree pass through casing and the connecting part of casing.
3. the gear-box of rail traffic vehicles according to claim 2 is characterized in that: adopt O type circle and sealer sealing between described stifle and the casing, fixing bolt is fixedlyed connected stifle with casing.
4. according to the gear-box of one of claim 1-3 described rail traffic vehicles, it is characterized in that: the input end of described input gear shaft is the tapering of 1:50, the end of input gear shaft is provided with dismounting high pressure oilhole, and oil ga(u)ge and oil hole are adjacent, in the casing corner layout that meets at right angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125596.3A CN103195912B (en) | 2013-04-12 | 2013-04-12 | The gear-box of rail traffic vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125596.3A CN103195912B (en) | 2013-04-12 | 2013-04-12 | The gear-box of rail traffic vehicles |
Publications (2)
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| CN103195912A true CN103195912A (en) | 2013-07-10 |
| CN103195912B CN103195912B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310125596.3A Active CN103195912B (en) | 2013-04-12 | 2013-04-12 | The gear-box of rail traffic vehicles |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633061A (en) * | 2014-12-17 | 2015-05-20 | 常州市瑞泰工程机械有限公司 | Gear case body for tramcar |
| CN105422811A (en) * | 2015-12-28 | 2016-03-23 | 南京高速齿轮制造有限公司 | Gearbox used for rail transit vehicle |
| CN105443732A (en) * | 2015-12-22 | 2016-03-30 | 常州市瑞泰工程机械有限公司 | Hydraulic transmission axle gear box body |
| CN107538568A (en) * | 2017-09-11 | 2018-01-05 | 蒙山县天宇蚕具制品有限公司 | A kind of safe and efficient lumps of wood multi-disc machine |
| CN107701708A (en) * | 2017-11-17 | 2018-02-16 | 金陵科技学院 | A kind of speed changer precisely application lubricating oil supplementary structure |
| CN107882962A (en) * | 2016-09-28 | 2018-04-06 | 中车北京南口机械有限公司 | The casing of the gear-box of rail traffic vehicles |
| CN109611540A (en) * | 2018-12-27 | 2019-04-12 | 南京高精轨道交通设备有限公司 | The tank shell that electric car gear box lubricating oil oil level is adjusted |
| CN110657229A (en) * | 2019-08-12 | 2020-01-07 | 无锡格瑞芬斯精密机械制造有限公司 | Anti-eccentric gear box for rail transit vehicle |
| CN112709803A (en) * | 2021-01-04 | 2021-04-27 | 中车株洲电力机车有限公司 | Rail vehicle gear box lubricating structure and rail vehicle gear transmission device |
| CN114080520A (en) * | 2019-07-09 | 2022-02-22 | 浩夫尔动力总成有限公司 | Transmission, in particular manual transmission, and bearing carrier for advantageous oil lubrication by means of a multi-chamber system, and method suitable for lubricating a transmission |
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| CN102691751A (en) * | 2012-05-03 | 2012-09-26 | 南京高速齿轮制造有限公司 | Rail transit gearbox |
| CN203272732U (en) * | 2013-04-12 | 2013-11-06 | 南京高速齿轮制造有限公司 | Gear case of rail transit vehicle |
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2013
- 2013-04-12 CN CN201310125596.3A patent/CN103195912B/en active Active
Patent Citations (6)
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| US4995971A (en) * | 1989-08-07 | 1991-02-26 | Ford Motor Company | Dual purpose automatic transmission oil pan |
| CN200993226Y (en) * | 2006-12-22 | 2007-12-19 | 三阳工业股份有限公司 | Gearbox capable of sufficiently lubricating change gear |
| CN101936384A (en) * | 2010-10-14 | 2011-01-05 | 湘电重型装备股份有限公司 | lubricating device for vertical input and output multistage transmission reduction box |
| CN102494115A (en) * | 2011-11-29 | 2012-06-13 | 南车株洲电力机车有限公司 | Bearing lubricating structure of driving gear shaft of gear box for urban rail traffic vehicle |
| CN102691751A (en) * | 2012-05-03 | 2012-09-26 | 南京高速齿轮制造有限公司 | Rail transit gearbox |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633061A (en) * | 2014-12-17 | 2015-05-20 | 常州市瑞泰工程机械有限公司 | Gear case body for tramcar |
| CN105443732A (en) * | 2015-12-22 | 2016-03-30 | 常州市瑞泰工程机械有限公司 | Hydraulic transmission axle gear box body |
| CN105443732B (en) * | 2015-12-22 | 2017-10-10 | 常州市瑞泰工程机械有限公司 | Hydraulic power axle gear box body |
| CN105422811A (en) * | 2015-12-28 | 2016-03-23 | 南京高速齿轮制造有限公司 | Gearbox used for rail transit vehicle |
| CN107882962A (en) * | 2016-09-28 | 2018-04-06 | 中车北京南口机械有限公司 | The casing of the gear-box of rail traffic vehicles |
| CN107538568A (en) * | 2017-09-11 | 2018-01-05 | 蒙山县天宇蚕具制品有限公司 | A kind of safe and efficient lumps of wood multi-disc machine |
| CN107701708A (en) * | 2017-11-17 | 2018-02-16 | 金陵科技学院 | A kind of speed changer precisely application lubricating oil supplementary structure |
| CN109611540A (en) * | 2018-12-27 | 2019-04-12 | 南京高精轨道交通设备有限公司 | The tank shell that electric car gear box lubricating oil oil level is adjusted |
| CN114080520A (en) * | 2019-07-09 | 2022-02-22 | 浩夫尔动力总成有限公司 | Transmission, in particular manual transmission, and bearing carrier for advantageous oil lubrication by means of a multi-chamber system, and method suitable for lubricating a transmission |
| CN110657229A (en) * | 2019-08-12 | 2020-01-07 | 无锡格瑞芬斯精密机械制造有限公司 | Anti-eccentric gear box for rail transit vehicle |
| CN112709803A (en) * | 2021-01-04 | 2021-04-27 | 中车株洲电力机车有限公司 | Rail vehicle gear box lubricating structure and rail vehicle gear transmission device |
Also Published As
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| CN103195912B (en) | 2016-03-23 |
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Effective date of registration: 20161101 Address after: Nanjing City, Jiangsu province Mingrui road 211106 Jiangning economic and Technological Development Zone Patentee after: Nanjing Gao Jing rail transportation equipment Co., Ltd. Address before: 211100 No. 1 East Tianyuan Road, Jiangning Science Park, Nanjing, Jiangsu Patentee before: Nanjing High Speed Gear Manufacturing Co., Ltd. |
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Effective date of registration: 20191010 Address after: Nanjing City, Jiangsu province Mingrui road 211106 Jiangning economic and Technological Development Zone Co-patentee after: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee after: Nanjing Gao Jing rail transportation equipment Co., Ltd. Address before: Nanjing City, Jiangsu province Mingrui road 211106 Jiangning economic and Technological Development Zone Patentee before: Nanjing Gao Jing rail transportation equipment Co., Ltd. |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20200511 Address after: 210000 Mingrui Road, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee after: NANJING GAOJING TRACK TRAFFIC EQUIPMENT Co.,Ltd. Address before: Nanjing City, Jiangsu province Mingrui road 211106 Jiangning economic and Technological Development Zone Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. Patentee before: NANJING GAOJING TRACK TRAFFIC EQUIPMENT Co.,Ltd. |