CN204200970U - 70% low-floor rail vehicle gear drive - Google Patents
70% low-floor rail vehicle gear drive Download PDFInfo
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- CN204200970U CN204200970U CN201420601717.7U CN201420601717U CN204200970U CN 204200970 U CN204200970 U CN 204200970U CN 201420601717 U CN201420601717 U CN 201420601717U CN 204200970 U CN204200970 U CN 204200970U
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Abstract
The utility model relates to low-floor track train gear drive, and namely a kind of 70% low-floor rail vehicle gear drive, comprises the gear drive for being connected with the clutch end of drive motor; It is characterized in that: described gear drive also comprises casing, be arranged in the input shaft of casing, jack shaft and output hollow shaft, at the input end of input shaft, LEO train input coupling device is installed, at the output terminal of output hollow shaft, low-floor rail vehicle wedge-shaped rubber coupling device is installed.Because described structure improves the transmission stationarity of gear drive, the lubricity enhancing each rotatingshaft and sealing.
Description
Technical field
The utility model relates to low-floor track train gear drive, especially a kind of 70% low-floor rail vehicle gear drive improving transmission stationarity, strengthen lubricity and sealing.
Background technique
Low-floor rail vehicle refers to floor height to the top of rail generally at the rail traffic vehicles of 350 ~ below 400mm.The entrance height of this vehicle is very low, gets on or off the bus very convenient, especially to old man, children and handicapped people.Low-floor rail vehicle does not need to arrange high platform, and track can be laid immediately on road surface, or utilizes original streetcar track; Vehicle can pass through the very little curve of radius, is adapted to urban ground road conditions, significantly can reduces the cost of circuit.The train marshalling list 2 ~ 3 of general low-floor rail vehicle saves, and total length 20 ~ 35m, has medium capacity.The most significant advantage of low-floor track train is ultra-low noise, high-environmental, strong adaptability to Plain landforms, can walk the major-minor centers, city such as down town, residential belt, industry park.
The deceleration of prior art increases square transmission device due to self structure, transmit that stationarity is poor, lubricity and sealing poor.
Model utility content
The purpose of this utility model is to provide a kind of 70% low-floor rail vehicle gear drive improving transmission stationarity, strengthen lubricity and sealing.
The technological scheme adopted for realizing the utility model above-mentioned purpose is: a kind of 70% low-floor rail vehicle gear drive, comprises the gear drive for being connected with the clutch end of drive motor; It is characterized in that: described gear drive also comprises
Casing, is arranged in the input shaft of casing, and this input shaft is arranged in bearing of input shaft and input 4 ball bearings, and described bearing of input shaft and input 4 ball bearings are all fixed in the inner chamber of casing, input shaft is fixed with input shaft and connects tooth;
Be arranged in the jack shaft of casing, this jack shaft is arranged in midship shaft bearing, and described midship shaft bearing is fixed in the inner chamber of casing, jack shaft is fixed with the jack shaft gearwheel connecting tooth with input shaft and engage, jack shaft is also fixed with jack shaft small gear;
Be arranged in the output hollow shaft of casing, this output hollow shaft is arranged on output shaft bearing I and output shaft bearing II, described output shaft bearing I and output shaft bearing II are all fixed in the inner chamber of casing, and output hollow shaft is fixed with the output gear engaged with jack shaft small gear;
At the input end of input shaft, LEO train input coupling device is installed, at the output terminal of output hollow shaft, low-floor rail vehicle wedge-shaped rubber coupling device is installed.
Due to said structure, improve the transmission stationarity of gear drive, the lubricity enhancing each rotatingshaft and sealing.
Accompanying drawing explanation
The nonlimiting examples that the utility model can be provided by accompanying drawing further illustrates.
Fig. 1 is internal structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
See 70% low-floor rail vehicle gear drive in accompanying drawing 1, figure, comprise the gear drive for being connected with the clutch end of drive motor 22; It is characterized in that: described gear drive also comprises
Casing 1, is arranged in the input shaft of casing 1, and this input shaft is arranged in bearing of input shaft 2 and input 4 ball bearings 27, and described bearing of input shaft 2 and input 4 ball bearings 27 are all fixed in the inner chamber of casing 1, input shaft is fixed with input shaft and connects tooth 3;
Be arranged in the jack shaft 5 of casing 1, this jack shaft 5 is arranged in midship shaft bearing 6, described midship shaft bearing 6 is fixed in the inner chamber of casing 1, jack shaft 5 is fixed with the jack shaft gearwheel 4 connecting tooth 3 with input shaft and engage, jack shaft 5 is also fixed with jack shaft small gear 28;
Be arranged in the output hollow shaft 10 of casing 1, this output hollow shaft 10 is arranged on output shaft bearing I 9 and output shaft bearing II 17, described output shaft bearing I 9 and output shaft bearing II 17 are all fixed in the inner chamber of casing 1, and output hollow shaft 10 is fixed with the output gear 15 engaged with jack shaft small gear 28;
At the input end of input shaft, LEO train input coupling device 31 is installed, at the output terminal of output hollow shaft 10, low-floor rail vehicle wedge-shaped rubber coupling device 30 is installed.In this embodiment, described low-floor rail vehicle wedge-shaped rubber coupling device 30 adopts the technological scheme announced in Chinese patent notification number CN 202194961 U, and described LEO train input coupling device 31 adopts the technological scheme announced in Chinese patent notification number CN 202531673 U.During use, in the axletree 12 end being provided with elastic wheel 13 connecting base 20 that penetrates low-floor rail vehicle wedge-shaped rubber coupling device 30 and output hollow shaft 10, realize drive motor 22 by transmission of power to input shaft, input shaft by transmission of power to jack shaft 4, jack shaft 4 by slow down after transmission of power to output hollow shaft 10, transmission of power is given fixing low-floor rail vehicle wedge-shaped rubber coupling device 30 by output hollow shaft 10, transmission of power finally drives elastic wheel 13 to rotate to axletree 12 by low-floor rail vehicle wedge-shaped rubber coupling device 30.
Specifically:
Low-floor rail vehicle output hollow shaft 10, wedge shape rubber block 19, the composition such as connecting base 20 and star-disc 21 of wedge-shaped rubber coupling device 30 primarily of gear drive, function is realize the smooth transfer of moment of torsion, compensate for displacement and noise reduction.Wedge shape rubber block 19 is uniform to be installed in six petal grooves of output hollow shaft 10, by Bolt Connection, by low-floor track train wedge shape rubber block elastic coupling Special mounting device [referring to patent " low-floor track train wedge shape rubber block elastic coupling Special mounting device " patent announcement CN 202527906 U], wedge shape rubber block 19 is connected with connecting base 20.
The same device and step are realized connecting base 20 and are connected with star-disc 21 by wedge shape rubber block 19.
LEO train input coupling device 31 is arranged on drive motor 22 and connects tooth 3 outer end with the input shaft of gear drive, and its function is transmitting torque and overload protection, and has absorbing and compensate thin tail sheep function.The shell of drive motor 22 by Bolt Connection on the casing 1 of gear drive input end; Rotor connects tooth 3 outer end by input coupling device 31 and the input shaft of gear drive and connects.
Stationarity is transmitted for ease of assembling and torque power, in above-described embodiment, preferably: described LEO train with input coupling device 31 and drive motor 22 output shaft be connected by motor coupler 24, this LEO train input coupling device 31 is connected by gear box side coupling 25 with the input shaft of gear drive; The shell of drive motor 22 is provided with the motor node 23 for being suspended on power truck.
For ease of assembling, in above-described embodiment, preferably: the output terminal of described output hollow shaft 10 is provided with six petals, and six petals are fixed with wedge shape rubber block 19, the mounting interface for installing brake disc is all provided with at six petal ends of output hollow shaft 10 and the other end; Be connected with the connecting base 20 of low-floor rail vehicle with wedge-shaped rubber coupling device 30 by bolt at six petal ends of output hollow shaft 10, the other end of connecting base 20 is provided with star-disc 21.
Leaking for preventing lubricant oil, preventing steam from invading and safeguard function, in above-described embodiment, preferably: the axis being parallel of the axis of described input shaft and the axis of jack shaft 5 and output hollow shaft 10, input shaft and output hollow shaft 10 are positioned at the both sides of jack shaft 5; Described input shaft is by being arranged on input shaft labyrinth seal in input 4 ball bearing 27 fronts and end cap 26 seals, described jack shaft 5 is sealed by the jack shaft end cap 7 being fixed on casing 1 sidewall, described output hollow shaft 10 is sealed with the output shaft labyrinth sealing 18 being positioned at output shaft bearing II 17 place by the output shaft end cap 8 being fixed on casing 1 sidewall, and this output shaft labyrinth sealing 18 is fixed on the sidewall of the casing 1 at output shaft bearing II 17 place.
For ensureing stability of strutting system and transmission of power stationarity, in above-described embodiment, preferably: the housing of described casing 1 is outside equipped with for being suspended on gear-box node 29 on power truck and ring node 16, described gear-box node 29 and ring node 16 shell of drive motor 22 form three-support point for the motor node 23 be suspended on power truck with being positioned at.
In above-described embodiment, the gear that input shaft connects tooth 3 is cylindric spiral gear, can smooth transfer moment of torsion.Two bearings of input shaft 2 are distributed in the helical gear both sides that gear shaft connects tooth 3, and main rising is located and steady transmission agency.Due to the restriction of casing 1 structure, four penalty kick contact bearings 27 be installed to that input shaft connects tooth 3 between gear and bearing of input shaft 2, mainly bear axial thrust load during transmitting torque.Input shaft labyrinth sealing and end cap 26 are outside bearing of input shaft 2; major function is that the inner chamber of blocking-up gear-box contacts with outside, prevents the lubricant oil of bearing from leaking and prevents outside water and other impurity from invading box house and protect the part in input shaft assembly.The countershaft assembly of gear drive is jack shaft 5, jack shaft gearwheel 4, jack shaft small gear 28, midship shaft bearing 6 and jack shaft end cap 7 form, and major function is smooth transfer torsion and reduction of speed.
Obviously, all embodiments of foregoing description are a part of embodiments of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the category of the utility model protection.
In sum, structure described in the utility model improves the transmission stationarity of gear drive, the lubricity enhancing each rotatingshaft and sealing.
Claims (5)
1. a 70% low-floor rail vehicle gear drive, comprises the gear drive for being connected with the clutch end of drive motor (22); It is characterized in that: described gear drive also comprises
Casing (1), be arranged in the input shaft of casing (1), this input shaft is arranged in bearing of input shaft (2) and input 4 ball bearings (27), described bearing of input shaft (2) and input 4 ball bearings (27) are all fixed in the inner chamber of casing (1), input shaft is fixed with input shaft and connects tooth (3);
Be arranged in the jack shaft (5) of casing (1), this jack shaft (5) is arranged in midship shaft bearing (6), described midship shaft bearing (6) is fixed in the inner chamber of casing (1), jack shaft (5) is fixed with the jack shaft gearwheel (4) connecting tooth (3) with input shaft and engage, jack shaft (5) is also fixed with jack shaft small gear (28);
Be arranged in the output hollow shaft (10) of casing (1), this output hollow shaft (10) is arranged on output shaft bearing I (9) and output shaft bearing II (17), described output shaft bearing I (9) and output shaft bearing II (17) are all fixed in the inner chamber of casing (1), and output hollow shaft (10) is fixed with the output gear (15) engaged with jack shaft small gear (28);
At the input end of input shaft, LEO train input coupling device (31) is installed, at the output terminal of output hollow shaft (10), low-floor rail vehicle wedge-shaped rubber coupling device (30) is installed.
2. 70% low-floor rail vehicle gear drive according to claim 1, it is characterized in that: described LEO train with input coupling device (31) and drive motor (22) output shaft is connected by motor coupler (24), this LEO train passes through gear box side coupling (25) with input coupling device (31) with the input shaft of gear drive and is connected; The shell of drive motor (22) is provided with the motor node (23) for being suspended on power truck.
3. 70% low-floor rail vehicle gear drive according to claim 1, it is characterized in that: the output terminal of described output hollow shaft (10) is provided with six petals, six petals being fixed with wedge shape rubber block (19), being all provided with the mounting interface for installing brake disc at six petal ends of output hollow shaft (10) and the other end; Be connected with the connecting base (20) of low-floor rail vehicle with wedge-shaped rubber coupling device (30) by bolt at six petal ends of output hollow shaft (10), the other end of connecting base (20) is provided with star-disc (21).
4. 70% low-floor rail vehicle gear drive according to claim 1, it is characterized in that: the axis of the axis of described input shaft and jack shaft (5) and the axis being parallel of output hollow shaft (10), input shaft and output hollow shaft (10) are positioned at the both sides of jack shaft (5); Described input shaft is by being arranged on input shaft labyrinth seal in input 4 ball bearing (27) fronts and end cap (26) sealing, described jack shaft (5) is by being fixed on jack shaft end cap (7) sealing of casing (1) sidewall, described output hollow shaft (10) is by being fixed on the output shaft end cap (8) of casing (1) sidewall and being positioned at output shaft labyrinth sealing (18) sealing at output shaft bearing II (17) place, and this output shaft labyrinth sealing (18) is fixed on the sidewall of the casing (1) at output shaft bearing II (17) place.
5. 70% low-floor rail vehicle gear drive according to claim 1, it is characterized in that: the housing of described casing (1) is outside equipped with for being suspended on gear-box node (29) on power truck and ring node (16), described gear-box node (29) and ring node (16) shell of drive motor (22) form three-support point for the motor node (23) be suspended on power truck with being positioned at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601717.7U CN204200970U (en) | 2014-10-17 | 2014-10-17 | 70% low-floor rail vehicle gear drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420601717.7U CN204200970U (en) | 2014-10-17 | 2014-10-17 | 70% low-floor rail vehicle gear drive |
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| Publication Number | Publication Date |
|---|---|
| CN204200970U true CN204200970U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420601717.7U Active CN204200970U (en) | 2014-10-17 | 2014-10-17 | 70% low-floor rail vehicle gear drive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476841A (en) * | 2016-12-09 | 2017-03-08 | 中车株洲电力机车有限公司 | A kind of radial type EMUs power truck |
| CN108980222A (en) * | 2018-10-11 | 2018-12-11 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of gear-box and rail traffic vehicles |
-
2014
- 2014-10-17 CN CN201420601717.7U patent/CN204200970U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476841A (en) * | 2016-12-09 | 2017-03-08 | 中车株洲电力机车有限公司 | A kind of radial type EMUs power truck |
| CN108980222A (en) * | 2018-10-11 | 2018-12-11 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of gear-box and rail traffic vehicles |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 401122 No. 9 Jinyu Avenue, North New District, Yubei District, Chongqing Co-patentee after: Chongqing Kairui Transmission Technology Co., Ltd Patentee after: China Automotive Engineering Research Institute Co.,Ltd. Address before: 401122 Chongqing district by the North District of Chongqing Jin Avenue, No. 9 Co-patentee before: CHONGQING CAERI VEHICLE TRANSMISSION SYSTEM MANUFACTURING Co.,Ltd. Patentee before: China Automotive Engineering Research Institute Co.,Ltd. |
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| CP03 | Change of name, title or address |