CN203892534U - Double-stage drive gear box system for urban rail transit vehicle - Google Patents

Double-stage drive gear box system for urban rail transit vehicle Download PDF

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Publication number
CN203892534U
CN203892534U CN201420255144.7U CN201420255144U CN203892534U CN 203892534 U CN203892534 U CN 203892534U CN 201420255144 U CN201420255144 U CN 201420255144U CN 203892534 U CN203892534 U CN 203892534U
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China
Prior art keywords
gear shaft
casing
output gear
case lid
gear
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Application number
CN201420255144.7U
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Chinese (zh)
Inventor
陈喜红
邹文辉
陶功安
王德新
廖志伟
蒲全卫
陈国胜
易兴利
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CRRC Zhuzhou Locomotive Co Ltd
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CSR Zhuzhou Electric Locomotive Co Ltd
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Priority to CN201420255144.7U priority Critical patent/CN203892534U/en
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Abstract

The utility model discloses a double-stage drive gear box system for an urban rail transit vehicle. The double-stage drive gear box system comprises a box body, an input gear shaft, an intermediate gear shaft and an output gear shaft, wherein the output gear shaft perpendicularly penetrates in the box body and the box cover; the lower end of the input gear shaft penetrates in the bottom of the box body and is parallel to the output gear shaft; the intermediate gear shaft is arranged in the box body and between the input gear shaft and the output gear shaft, and is parallel to the input gear shaft and the output gear shaft; and an oil collecting hole which is used for containing lubricating oil for lubricating an output gear is formed in the box body. The box body is divided perpendicularly; the lubricating oil in the oil collecting hole can effectively lubricate a drive gear wheel; the gear in a gear box can be prevented from being abraded abnormally, so that the service life of the gear and the service life of a bearing are prolonged; and the reliability of components is improved.

Description

A kind of urban rail transit vehicles double-stage driving gearbox system
Technical field
The utility model relates to urban rail transit vehicles, particularly a kind of urban rail transit vehicles double-stage driving gearbox system.
Background technique
The railcar speed class moving is at present generally 80km/h, 100 km/h and 120km/h.For speed class, be 80 and the railcar of 100km/h, its gearbox drive system is generally one-level gear transmission, gearwheel diameter is generally larger, occupy larger space, one-level uni-drive gear box system is comprised of upper box 15, lower box 16, input shaft 17, roller bearing 25,4 ball bearings 18, gearwheel 19 and tapered roller bearings 20 etc. conventionally, sees Fig. 1.
And for the railcar of 120km/h speed class, its gear train assembly is generally secondary transmission, secondary transmission can be realized larger or less velocity ratio in less space, to realize high speed or the low cruise of vehicle.The horizontal branch mailbox mode of the general employing of secondary transmission gearbox system at present.The gearbox system of horizontal branch mailbox is due to the restriction of spatial structure, be difficult to transmission gearwheel to form effectively lubricating, especially start up period easily cause gear anomalies wearing and tearing, adopt horizontal branch mailbox simultaneously, bring very large difficulty to the design of drainback passage and oil storage tank, easily cause bearing oil starvation and produce anomaly.
Summary of the invention
Technical problem to be solved in the utility model is, not enough for prior art, a kind of urban rail transit vehicles double-stage driving gearbox system is provided, prevent the gear anomalies wearing and tearing in gear-box, thereby extend the working life of gear and bearing, improve the reliability of parts.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of urban rail transit vehicles double-stage driving gearbox system, comprise casing, input gear axle, intermediate gear shaft, output gear shaft, described box cover has case lid, the input gear on described input gear axle and the engagement of the intermediate gear on described intermediate gear shaft; Output gear engagement on intermediate gear on described intermediate gear shaft and described output gear shaft; Described input gear, intermediate gear, output gear are all positioned at described casing; Described output gear shaft is through described casing and case lid; Described input gear axle one end is through described bottom half and parallel with described output gear shaft; Described intermediate gear shaft is arranged in the casing between described input gear axle and output gear shaft, and parallel with described input gear axle, output gear shaft; The center line of described output gear shaft, input gear axle, intermediate gear shaft is vertical with the faying surface of described casing and case lid; In the casing of described output gear shaft away from least one side in described case lid one end, be provided with for holding the oil collecting hole of the lubricant oil of lubricated described output gear.
The first spill port that the case lid of described output gear shaft position is provided with oil trap and is communicated with described oil trap one side, described the first spill port is communicated with described box house space; In the casing of described intermediate gear shaft position, be provided with oil storage tank; In the casing of described input gear axle position, be provided with the second spill port, described the second spill port is communicated with described box house space; Oil trap can be collected the lubricant oil that each gear shaft and gear spill in rotary course, and spill port can make lubricant oil flow in the space in casing, prevents that lubricant oil from oozing out from the faying surface of casing and case lid.
Described casing and case lid all adopt high strength cast iron casting to form, and the impact producing while moving to resist, plays the effect of damping.
Compared with prior art, the beneficial effect that the utility model has is: the utility model adopts vertical branch mailbox mode, lubricant oil in oil collecting hole can form effectively lubricating to transmission gearwheel (being output gear), prevent the gear anomalies wearing and tearing in gear-box, thereby extended the working life of gear and bearing, improved the reliability of parts; Design oil storage tank and spill port for lubricating bearings, avoided lubricant oil to ooze out from the face of healing up of casing and case lid, caused gear-box leakage of oil; Flask joint (being the faying surface of casing and case lid) is vertical with each gear shaft axis, can guarantee better the installation precision between casing, case lid and each gear shaft, thus make bearing and gear stressed in the optimum state to guarantee the high reliability of uni-drive gear box; The utility model installing space is little, and the centre distance between each gear shaft is little, compact structure, thus the wheelbase that can reduce bogie is beneficial to locomotive by the curve of minor radius, can reduce the angle of attack of wheel and rail simultaneously, the working life of prolongation rail and wheel.
Accompanying drawing explanation
Fig. 1 is one-level uni-drive gear box plan view;
Fig. 2 is the C-C face sectional view of Fig. 1;
Fig. 3 is the utility model one embodiment's plan view;
Fig. 4 is the utility model one embodiment's plan view;
Fig. 5 is the B-B face sectional view of Fig. 3;
Fig. 6 is the C-C face sectional view of Fig. 3;
Fig. 7 is the D-D face sectional view of Fig. 4.
Embodiment
As shown in Figure 3 and Figure 4, the utility model one embodiment comprises casing 1, input gear axle 13, intermediate gear shaft 8, output gear shaft 21, on described casing 1, be stamped case lid 6, the input gear 22 on described input gear axle 13 meshes with the intermediate gear 10 on described intermediate gear shaft 8; Intermediate gear 10 on described intermediate gear shaft 8 meshes with the output gear 2 on described output gear shaft 21; Described input gear 22, intermediate gear 10, output gear 2 are all positioned at described casing 1; Described output gear shaft 21 is through described casing 1 and case lid 6; Described input gear axle 13 one end are through described casing 1 bottom and parallel with described output gear shaft 21; Described intermediate gear shaft 8 is arranged in the casing 1 between described input gear axle 13 and output gear shaft 21, and parallel with described input gear axle 13, output gear shaft 21; The center line of described output gear shaft, input gear axle, intermediate gear shaft is vertical with the faying surface of described casing and case lid.
As shown in Figure 5, described output gear shaft 21 two ends are enclosed within respectively in two bearings 4, and two bearings 4 are connected with case lid 6 with casing 1 bottom by a bearing support 3 respectively; In the casing 1 of output gear shaft 21 1 sides, be provided with for holding the oil collecting hole 5 of the lubricant oil of lubricated described output gear 2.
As shown in Figure 5, the first spill port 11 that the case lid 6 of described output gear shaft 21 positions is provided with oil trap 7 and is communicated with described oil trap 7 one sides, described the first spill port 11 is communicated with described casing 1 inner space.Oil trap can guarantee that output gear has the gear teeth to be immersed in the lubricant oil of oil trap all the time, gives output gear with lubricated fully.It is axletree that output gear is arranged on output gear shaft 21(by hot jacket) upper, for transmitting the moment of torsion of regulation, between output gear and axletree, to ensure certain magnitude of interference.
As shown in Figure 6, in the casing 1 of described intermediate gear shaft 8 positions, be provided with oil storage tank 24; Intermediate gear shaft 7 two ends are connected with casing 1 bottom with case lid 6 lower surfaces by a tapered roller bearing 9 respectively.On intermediate gear shaft, be provided with small one and large one two gears, wherein small gear and jack shaft are made of one formation intermediate gear shaft, and gearwheel is intermediate gear 10, and intermediate gear 10 is fixed on intermediate gear shaft by hot jacket, for transmitting motion and moment of torsion.
As shown in Figure 7, in the casing 1 of described input gear axle 13 positions, be provided with the second spill port 23, described the second spill port 23 is communicated with described casing 1 inner space; Input gear axle 13 tops and bottom are arranged on case lid and bottom half by 4 ball bearings 14 and roller bearing 12 respectively.Wherein radial force is born by roller bearing, and axial force is born by 4 ball bearings.
The casing of the present embodiment and the material of case lid are high-intensity cast iron, and the impact producing while moving to resist, plays the effect of damping.

Claims (5)

1. a urban rail transit vehicles double-stage driving gearbox system, comprise casing (1), input gear axle (13), intermediate gear shaft (8), output gear shaft (21), on described casing (1), be stamped case lid (6), the input gear (22) on described input gear axle (13) meshes with the intermediate gear (10) on described intermediate gear shaft (8); Intermediate gear (10) on described intermediate gear shaft (8) meshes with the output gear (2) on described output gear shaft (21); Described input gear (22), intermediate gear (10), output gear (2) are all positioned at described casing (1); It is characterized in that, described output gear shaft (21) is through described casing (1) and case lid (6); Described input gear axle (13) one end is through described casing (1) bottom and parallel with described output gear shaft (21); Described intermediate gear shaft (8) is arranged in the casing (1) between described input gear axle (13) and output gear shaft (21), and parallel with described input gear axle (13), output gear shaft (21); The center line of described output gear shaft (21), input gear axle (13), intermediate gear shaft (8) is vertical with the faying surface of described casing (1), case lid (6); In the casing (1) of described output gear shaft (21) away from least one side in described case lid (6) one end, be provided with for holding the oil collecting hole (5) of the lubricant oil of lubricated described output gear (2).
2. urban rail transit vehicles double-stage driving gearbox system according to claim 1, it is characterized in that, the first spill port (11) that the case lid (6) of described output gear shaft (21) position is provided with oil trap (7) and is communicated with described oil trap (7) one sides, described the first spill port (11) is communicated with described casing (1) inner space.
3. urban rail transit vehicles double-stage driving gearbox system according to claim 2, is characterized in that, in the casing (1) of described intermediate gear shaft (8) position, is provided with oil storage tank (24).
4. urban rail transit vehicles double-stage driving gearbox system according to claim 3, it is characterized in that, in the casing (1) of described input gear axle (13) position, be provided with the second spill port (23), described the second spill port (23) is communicated with described casing (1) inner space.
5. according to the urban rail transit vehicles double-stage driving gearbox system one of claim 1~4 Suo Shu, it is characterized in that, described casing (1) and case lid (6) all adopt casting technique to make.
CN201420255144.7U 2014-05-19 2014-05-19 Double-stage drive gear box system for urban rail transit vehicle Active CN203892534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420255144.7U CN203892534U (en) 2014-05-19 2014-05-19 Double-stage drive gear box system for urban rail transit vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420255144.7U CN203892534U (en) 2014-05-19 2014-05-19 Double-stage drive gear box system for urban rail transit vehicle

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791461A (en) * 2015-04-02 2015-07-22 镇江佳鑫精工设备有限公司 Novel gearbox
CN112360956A (en) * 2020-11-25 2021-02-12 重庆齿轮箱有限责任公司 Lubricating system of gear box
CN112984089A (en) * 2021-02-07 2021-06-18 于洋 Rail transit gear box
CN113090737A (en) * 2021-04-30 2021-07-09 郑州轻工业大学 Gear box with gear wear degree detection assembly and working method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104791461A (en) * 2015-04-02 2015-07-22 镇江佳鑫精工设备有限公司 Novel gearbox
CN112360956A (en) * 2020-11-25 2021-02-12 重庆齿轮箱有限责任公司 Lubricating system of gear box
CN112984089A (en) * 2021-02-07 2021-06-18 于洋 Rail transit gear box
CN113090737A (en) * 2021-04-30 2021-07-09 郑州轻工业大学 Gear box with gear wear degree detection assembly and working method thereof

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