CN203793334U - Bogie driving system of low-floor train - Google Patents
Bogie driving system of low-floor train Download PDFInfo
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- CN203793334U CN203793334U CN201420073511.1U CN201420073511U CN203793334U CN 203793334 U CN203793334 U CN 203793334U CN 201420073511 U CN201420073511 U CN 201420073511U CN 203793334 U CN203793334 U CN 203793334U
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- 238000010168 coupling process Methods 0.000 claims abstract description 63
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- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 239000000725 suspension Substances 0.000 claims description 22
- 230000000712 assembly Effects 0.000 abstract 1
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- 239000000203 mixture Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a bogie driving system of a low-floor train. The bogie driving system comprises a bogie, wherein driving assemblies are respectively hung at two ends of the bogie through a hanging part; each driving assembly comprise a first driving assembly, a second driving assembly and a transverse coupling mechanism, wherein the transverse coupling mechanism comprises a coupling shaft connected between the first driving assembly and the second driving assembly; one end of the coupling shaft is driven by a driving device while the other end of the coupling shaft is used for outputting power onto a transmission device; the coupling shaft is arranged near inside relative to an axial line of a first independent wheel and a second independent wheel; a connecting sleeve which sleeves the coupling shaft is fixed between a first transmission gear box and a second transmission gear box. According to the bogie driving system disclosed by the utility model, the technical problems that the rims of wheels are eccentrically abraded because wheel sets cannot be centered on a straight line and the big noise is generated because of insufficient guiding abilities of the wheels in curve running are solved.
Description
Technical field
The utility model relates to train bogie, particularly low floor tramway train bogie truck.
Background technology
The modern tramway train of 100% low floor adopts without bow and is subject to the sophisticated technologies such as stream, super capacitor, and floor is apart from approximately 38 centimetres of rail levels, and without platform, maximum freight volume is 6 to 8 times of bus.Vehicle can adopt storage battery and super capacitor parallel hybrid power, provides all fronts without net-fault scheme, and hill climbing ability is strong, approximately 20 meters of minimum turning radius, city existing road gets final product laying-out, and environmental protection, low noise are one of state-of-the-art Traffic Systems in the world today.
The modern tramway train of 100% low floor has comprised bogie truck and car body, for the modern tramway train of 100% low floor, realize the object of low floor, and very important of the design of bogie truck, also exists many different structures for different requirements.As at application number being 201010520644.5 open days is to disclose a kind of 100% low-floor light rail vehicle mechanism of independent wheel power truck in the patent documentation on February 23rd, 2011, and specifically disclose it and comprise framework, axle bridge composition, primary spring, secondary spring, two is vertical, lateral damper, duplex pull rod trailer coupling, elastic suspension motor longitudinal driving mechanism, hydraulic brake unit, truck side sill is outwardly cantilevered, two minor axises are supported and are connected respectively separately an elastic wheel by bearing unit, axletree is made up of two minor axises, two wheels of bogie truck the same side are fixed on motor driving shaft, motor connects with two gears case, brake system and traction electric machine become one, and four two is that vertical damper is located on four jiaos of framework, two is the end positions that lateral vibration absorbing device is located at framework, parallel double-draw rod traction system is located at the inner side of framework.Said structure adopts high-intensity welding framework and independent axle bridge composition, primary spring rational in infrastructure and secondary spring, two of the best is vertical and lateral damper, and parallel double-draw rod draw gear and the elastic suspension motor of traction in adopting longitudinally drive, adopt the hydraulic brake unit integrated with traction electric machine, really realized car body 100% low floor requirement.What this bogie truck adopted is the technology of longitudinal coupled drive, only have the mechanism of independent wheel of a side to there is driving power, and opposite side belongs to passive rotation, be difficult to ensure the mechanism of independent wheel synchronous rotary of card both sides, therefore, train is in operation and can be difficult to ensure because of propulsive effort overbalance the stationarity of train operation, is difficult to ensure the centering of wheels on straight line, easily occurs the phenomenon of flange wear; In addition, although said structure has adopted minor axis mechanism of independent wheel structure, and adopt axle bridge composition, but axle bridge composition is positioned at minor axis below in the vertical direction substantially, when light rail car is during along curve motion, axle bridge composition, with mechanism of independent wheel, angle occurs substantially simultaneously to be changed, and the guidance capability of mechanism of independent wheel is poor, bogie truck turn to freedom not good enough, the noise of operation is bigger than normal.
Also there is in the prior art the bogie truck that two side wheels are connected by axle, as being that 201310265642.X discloses 100% low-floor light rail vehicle rigid wheel to single motor coaxle two-wheel drive mechanism in the patent documentation on November 6th, 2013 at application number, this driver train is by framework, wheel to and actuating device composition, wheel is to being made up of wheel and the S. A. being connected on the wheel of both sides, actuating device drives S. A. rotation, thereby driven wheel is to rotation, the wheel of this structure and rotating shaft coaxle, when light rail car is during along curve motion, the guidance capability of mechanism of independent wheel is poor, bogie truck turn to freedom not good enough, the noise of operation is bigger than normal.Similar structure is also disclosed in the patent documentation that is US20100132586A1 at document number.
Be within 200710007908.5 open days, to be to disclose a kind of axletree for low clearance chassis rail vehicle in the patent documentation on August 8th, 2007 at application number, suspension gear and guideway vehicle, and specifically disclose this guideway vehicle and comprise car body and bogie truck, wherein bogie truck comprises framework and is suspended on the wheel assembly at framework two ends, described wheel assembly is mainly by axle box, mechanism of independent wheel, cross member composition, axle box is connected on framework by single stage suspension, mechanism of independent wheel is installed in the axial direction, cross member is connected between two axle boxes of left and right, although this bogie truck has adopted mechanism of independent wheel structure, and adopt cross member, but cross member is positioned at minor axis below in the vertical direction substantially, when light rail car is during along curve motion, axle bridge composition, with mechanism of independent wheel, angle occurs substantially simultaneously to be changed, the guidance capability of mechanism of independent wheel is poor, bogie truck turn to freedom not good enough, the noise of operation is bigger than normal.In document number is the patent documentation of EP2551166A1, US8381659B2, US20130333590A1, similar structure is also disclosed, the basic structure of these bogie trucks is to adopt longitudinal coupled drive, connect axle box by the cross member that is substantially positioned at mechanism of independent wheel below, when light rail car is during along curve motion, axle bridge composition, with mechanism of independent wheel, angle occurs substantially simultaneously to be changed, the guidance capability of mechanism of independent wheel is poor, bogie truck turn to freedom not good enough, the noise of operation is bigger than normal.
Be the bogie truck that discloses a kind of transverse coupling transmission during 201320379293.X discloses the patent documentation that day is on January 1st, 2014 at application number, this bogie truck is mainly by framework, it is right to take turns, transverse coupling mechanism and driver train composition, it is right that wheel is connected to form described wheel by transmission shaft, transverse coupling mechanism comprises transmission shaft, driver train drives the rotation of wheel of a side, and simultaneously by the rotation of wheel of transverse coupling mechanism drive opposite side, the wheel of this structure and rotating shaft coaxle, when light rail car is during along curve motion, the guidance capability of mechanism of independent wheel is poor, bogie truck turn to freedom not good enough, the noise of operation is bigger than normal.And if S. A. is simply directly removed, the wheel of both sides will separate, simultaneously gear case and axle box also can separate, bogie truck cannot be worked normally.
Summary of the invention
The purpose of this utility model is to provide a kind of low floor train bogie drive system, utilizes structure of the present utility model, and having solved wheels can not centering on straight line, guidance capability deficiency, noise technical matters bigger than normal when flange wear and curve motion.
For solving the problems of the technologies described above, a kind of low floor train bogie drive system, comprises framework, is hung with respectively driven unit at the two ends of framework by single stage suspension; Described driven unit comprises the first driven unit, the second driven unit and transverse coupling mechanism, and the first driven unit and the second driven unit lay respectively at the both sides of framework, and transverse coupling mechanism is connected between the first driven unit and the second driven unit; The first described driven unit comprises the first drive gearbox, the first mechanism of independent wheel and actuating device, the first drive gearbox is located on framework by single stage suspension, the first mechanism of independent wheel is arranged on the first drive gearbox by bearing, and actuating device drives the first mechanism of independent wheel rotation; The second described driven unit comprises the second drive gearbox, the second mechanism of independent wheel and driving device, and the second drive gearbox is located on framework by single stage suspension, and the second mechanism of independent wheel is arranged on the second drive gearbox by bearing; Transmission device receives the power of transverse coupling and drives the second mechanism of independent wheel rotation; Described transverse coupling mechanism comprises that one end drives other end transmitting power to driving device by actuating device and is connected to the coupling axle between the first drive gearbox and the second drive gearbox; Described coupling axle is with respect to the inner setting of axis of the first mechanism of independent wheel and the second mechanism of independent wheel; Between the first drive gearbox and the second drive gearbox, be fixed with the adapter sleeve being enclosed within on coupling axle.
Said structure, adopt mechanism of independent wheel structure, utilize the transmission of transverse coupling winding machine left and right sides mechanism of independent wheel power, and between the first drive gearbox and the second drive gearbox, be fixed with the adapter sleeve being enclosed within on coupling axle, by adapter sleeve, the first drive gearbox and the second drive gearbox are coupled together, simultaneously, the actuating device of the drive system of this structure, gear case, axle box is structure as a whole, its compact conformation, driven unit is again to hang on framework by single stage suspension, when train is during along curve motion, the guidance capability of mechanism of independent wheel is good, the noise of operation is little.In addition, adapter sleeve is enclosed within on coupling axle, can plays the effect of protection coupling axle, meanwhile, can also improve safety performance.
Further, on the madial wall of the first drive gearbox, be provided with first boss coaxial with the axle that is coupled, on the madial wall of the second drive gearbox, be provided with second boss coaxial with the axle that is coupled; Two ends at adapter sleeve are provided with flange, and the flange of adapter sleeve one end and the first boss are bolted, and the flange of the adapter sleeve other end and the second boss are bolted.Connect adapter sleeve by boss and flange are set, adapter sleeve easy to connect, firm, can ensure the intensity of gear case and adapter sleeve simultaneously.
Further, described adapter sleeve comprises upper cover and lower cover, so that install and maintenance coupling axle.
Further, described actuating device comprises drive motor, driving gear, reducing gear and the first transmission gear, what drive motor was horizontal is fixed on the first drive gearbox, the output shaft axis of drive motor and the first independent axle line parallel, described driving gear, reducing gear and the first transmission gear are located in the first drive gearbox, driving gear is arranged on the output shaft of drive motor, reducing gear is between driving gear and the first transmission gear, the first transmission gear is connected with the first mechanism of independent wheel, driving gear is meshed with reducing gear, reducing gear is meshed with the first transmission gear.Said structure, drive motor is laterally installed, and can reduce and simplify gear quantity and the structure in gear case, and therefore, the driving device structure of this structure is simple, and cost is low.
Further, described driving device comprises the second transmission gear that is located at the second drive gearbox and is connected with the second mechanism of independent wheel.This transmission structures is simple.
Further, described transverse coupling mechanism also comprises and is located on coupling axle and is positioned at the first coupling wheel of the first drive gearbox and is located on coupling axle and is positioned at the second coupling wheel of the second drive gearbox, the first coupling wheel is meshed with the first transmission gear, and the second coupling wheel is meshed with the second transmission gear.This transverse coupling mechanism simple in structure.
Further, between the first drive gearbox and framework, be provided with two connecting rods that are arranged in parallel, between the second drive gearbox and framework, be provided with two connecting rods that are arranged in parallel.Described connecting rod and single stage suspension are realized the location to gear case and are fixed, and make having good positioning of gear case; In addition, capsizing moment when drive motor is setovered the moment that causes and bogie truck work is offset by two connecting rods arranging up and down, and therefore, two connecting rods that be arranged in parallel play the effect of outbalance to the running stability of bogie truck.
Brief description of the drawings
Fig. 1 is the block diagram of the utility model low floor train bogie.
Fig. 2 is that the utility model low floor train bogie removes the schematic diagram after framework.
Fig. 3 is the utility model low floor train bogie framework structure schematic diagram.
Fig. 4 is the block diagram of driven unit.
Fig. 5 is the structural representation that driven unit removes gear case upper cover.
Fig. 6 is the birds-eye view that driven unit removes gear case upper cover.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further elaborated.
As shown in Figure 1, low floor train bogie comprises framework 1, driven unit 2, drg 3, single stage suspension 4, secondary suspension 5, vertical damper 6, lateral damper 7, draw gear 8, horizontal backstop 9.Low floor train bogie drive system comprises framework 1 and driven unit 2.
As shown in Figure 3, described framework comprises the parallel curb girder being oppositely arranged 11, connects and passes two crossbeams 12 of curb girder; Curb girder middle part is bent downwardly, like this, can not only save material, and can realize substantially equicohesive design, in a longitudinal direction, two crossbeams are positioned at the middle part of curb girder, curb girder is box-structure, it can not only ensure the intensity of framework, and can alleviate the weight of framework, the overall construction intensity that described crossbeam 12 can deep framing.Being positioned at two curb girder 11 arranged outside has the air bellow mount pad 13 being connected on crossbeam 12, and described crossbeam 12 is tubular structure; Described air bellow mount pad 13 is trapezoidal, and its top is the platform that plane 131 is formed for installing secondary suspension 5, and the both sides of described platform are inclined-plane 132, outstanding outside the lateral, middle part of air bellow mount pad 13.Described secondary suspension is air bellow.The outside that is positioned at curb girder 11 on crossbeam 12 is respectively equipped with vertical damper mount pad 14 and anti-disengaging device mount pad 15, and vertical damper mount pad 14 diagonal angles are arranged, anti-disengaging device mount pad 15 diagonal angles layouts.
Described driven unit 2 comprises the first driven unit 21, the second driven unit 22 and transverse coupling mechanism 23, the first driven unit 21 and the second driven unit 22 lay respectively at the both sides of framework, and transverse coupling mechanism 23 is connected between the first driven unit 21 and the second driven unit 22.
As shown in Figure 4, the first described driven unit 21 comprises the first drive gearbox 211, the first mechanism of independent wheel 212 and actuating device.The first drive gearbox 211 comprises upper cover and lower cover, upper cover and lower cover are bolted, rearward end outside at the first drive gearbox 211 is provided with terminal pad 2111, between terminal pad 2111 and the first gear case, be provided with gusset 2212, the outside face of gusset is arc, since can strengthen the Joint strenght between terminal pad 2111 and the first gear case, make on the other hand driven unit appearance looks elegant, be not easy to produce stress concentrate, intensity is better; Be provided with connecting rod base 2112 at the front end of the first drive gearbox 211.The first gear case 211 is suspended on the end of curb girder by single stage suspension 4, described single stage suspension is rubber spring.As shown in Figure 5 and Figure 6, described actuating device comprises drive motor 2131, driving gear 2132, reducing gear 2133 and the first transmission gear 2134, drive motor 2131 is laterally fixed on the terminal pad of the first drive gearbox 211, the output shaft axis of drive motor 2131 is parallel with the first mechanism of independent wheel 212 axis, described driving gear 2132, reducing gear 2133 and the first transmission gear 2134 are located in the first drive gearbox 211, driving gear 2132 is arranged on the output shaft of drive motor, reducing gear 2133 is between driving gear 2132 and the first transmission gear 2134, on the first gear case 211, by bearing, the first independent axes is installed, the first transmission gear 2134 is arranged in the first independent axes, driving gear 2132 is meshed with reducing gear 2133, reducing gear 2133 is meshed with the first transmission gear 2134, the first mechanism of independent wheel 212 is arranged in the first independent axes.In the present embodiment, drive motor is that diagonal angle is arranged.
The second described driven unit 22 comprises the second drive gearbox 221, the second mechanism of independent wheel 222 and driving device.The second drive gearbox 221 comprises upper cover and lower cover, upper cover and lower cover are bolted, rearward end outside at the second drive gearbox 221 is provided with terminal pad, between terminal pad and the second gear case, be provided with gusset, the outside face of gusset is arc, since can strengthen the Joint strenght between terminal pad and the second gear case, another conveniently makes driven unit appearance looks elegant, be not easy to produce stress concentrates, intensity is better; Be provided with connecting rod base 2112 at the front end of the second drive gearbox 221.The second gear case 221 is suspended on the end of curb girder by single stage suspension 4, single stage suspension is rubber spring.Described driving device comprises the second transmission gear 2231 that is located at the second drive gearbox 221, on the second drive gearbox 221, the second independent axes is installed, and the second mechanism of independent wheel 222 is arranged in the second independent axes.The reservoir 10 that horizontal direction is corresponding with drive motor position is installed on the terminal pad on the second drive gearbox, when having installed after drive motor in a side, can make the left and right weight of whole bogie truck unbalanced, in order to solve this technical matters, in a side relative with drive motor, reservoir is installed, like this, can not only balancing steering frame, and can realize the object of air bellow being carried out to air feed, and the stroke of air feed is also shorter, gas leakage is few, large to the degree of utilization of gas.As shown in Figure 2, there is cavity 2211 from inside to outside in the drive gearbox end that reservoir is installed, in cavity 2211, be provided with gusset 2212.Like this, the weight of framework can not only be alleviated, and the intensity of framework can be improved.Brake seat is installed on reservoir, is connected with drg 3 on brake seat, drg distributes with respect to framework diagonal angle.
Described transverse coupling mechanism 23 comprises coupling axle 231, is located on coupling axle and is positioned at the first coupling wheel 232 of the first drive gearbox and is located on coupling axle and is positioned at the second coupling wheel 233 of the second drive gearbox, the first coupling wheel 232 is meshed with the first transmission gear 2134, and the second coupling wheel 233 is meshed with the second transmission gear 2231.Described coupling axle 231 is with respect to the inner setting of axis of the first mechanism of independent wheel and the second mechanism of independent wheel; Between the first drive gearbox and the second drive gearbox, be fixed with the adapter sleeve 234 being enclosed within on coupling axle, described adapter sleeve comprises upper cover and lower cover, so that install, dismantle, keep in repair coupling axle.On the madial wall of the first drive gearbox 211, be provided with first boss coaxial with the axle that is coupled, on the madial wall of the second drive gearbox 221, be provided with second boss coaxial with the axle that is coupled; Two ends at adapter sleeve 234 are provided with flange, and the flange of adapter sleeve one end and the first boss are bolted, and the flange of the adapter sleeve other end and the second boss are bolted.Connect dish and connect adapter sleeve by boss and method are set, adapter sleeve easy to connect, firm, can ensure the intensity of gear punch-out equipment adapter sleeve simultaneously.
On the connecting rod base 2112 of the first drive gearbox, be provided with two connecting rods that are arranged in parallel 24 by joint, on the connecting rod base of the second drive gearbox, be provided with two connecting rods that are arranged in parallel 24 by joint, the other end of connecting rod 24 is connected with the curb girder of framework by joint, and extend in curb girder.
In the present embodiment, adopt mechanism of independent wheel structure, utilize transverse coupling mechanism 23 to realize the transmission of left and right sides mechanism of independent wheel power, and between the first drive gearbox 211 and the second drive gearbox 221, be fixed with the adapter sleeve 234 being enclosed within on coupling axle, by adapter sleeve 234, the first drive gearbox 211 and the second drive gearbox 221 are coupled together, simultaneously, the actuating device of the drive system of this structure, gear case, axle box is structure as a whole, its compact conformation, driven unit is again to hang on framework by single stage suspension, when train is during along curve motion, the guidance capability of mechanism of independent wheel is good, bogie truck turn to freedom better, the noise of operation is little.In addition, adapter sleeve 234 is enclosed within on coupling axle, can plays the effect of protection coupling axle, meanwhile, can also improve safety performance.Described connecting rod 24 and single stage suspension 4 are realized the location to gear case and are fixed, and make having good positioning of gear case; In addition, capsizing moment when drive motor is setovered the moment that causes and bogie truck work is offset by two connecting rods arranging up and down, therefore, two connecting rods that be arranged in parallel play the effect of outbalance to the running stability of bogie truck, also played the power of driven unit is delivered to the effect on framework.
Described vertical damper 6 lower ends are hinged on vertical damper mount pad 14, and the upper end of vertical damper 6 is connected on car body, plays the effect of Vertical Vibration Reduction.Described lateral damper 7 is connected between framework and car body, plays the effect of lateral vibration absorbing.Described draw gear 8 is draw bar, and draw bar is responsible for transmission of power to car body.Described horizontal backstop 9 is located on the madial wall of curb girder, in the time that it coordinates with car body, to restriction between the transverse shifting position of car body.On anti-disengaging device mount pad 15, be hinged with anti-disengaging device, described anti-disengaging device comprises upper connecting rod 91 and lower connecting rod 92, upper connecting rod and lower connecting rod are threaded connection, so that regulate the length of anti-disengaging device, the upper end of upper connecting rod 91 is hinged on car body, the lower end of lower connecting rod is hinged on anti-disengaging device mount pad 15, can limit the lateral deviation angle of car body by this structure, thereby has improved the stationarity of train operation.
Claims (7)
1. a low floor train bogie drive system, comprises framework, is hung with respectively driven unit at the two ends of framework by single stage suspension;
Described driven unit comprises the first driven unit, the second driven unit and transverse coupling mechanism, and the first driven unit and the second driven unit lay respectively at the both sides of framework, and transverse coupling mechanism is connected between the first driven unit and the second driven unit;
The first described driven unit comprises the first drive gearbox, the first mechanism of independent wheel and actuating device, the first drive gearbox is located on framework by single stage suspension, the first mechanism of independent wheel is arranged on the first drive gearbox by bearing, and actuating device drives the first mechanism of independent wheel rotation;
The second described driven unit comprises the second drive gearbox, the second mechanism of independent wheel and driving device, and the second drive gearbox is located on framework by single stage suspension, and the second mechanism of independent wheel is arranged on the second drive gearbox by bearing; Transmission device receives the power of transverse coupling and drives the second mechanism of independent wheel rotation;
Described transverse coupling mechanism comprises that one end drives other end transmitting power to driving device by actuating device and is connected to the coupling axle between the first drive gearbox and the second drive gearbox;
It is characterized in that: described coupling axle is with respect to the inner setting of axis of the first mechanism of independent wheel and the second mechanism of independent wheel; Between the first drive gearbox and the second drive gearbox, be fixed with the adapter sleeve being enclosed within on coupling axle.
2. low floor train bogie drive system according to claim 1, it is characterized in that: on the madial wall of the first drive gearbox, be provided with first boss coaxial with the axle that is coupled, on the madial wall of the second drive gearbox, be provided with second boss coaxial with the axle that is coupled; Two ends at adapter sleeve are provided with flange, and the flange of adapter sleeve one end and the first boss are bolted, and the flange of the adapter sleeve other end and the second boss are bolted.
3. low floor train bogie drive system according to claim 2, is characterized in that: described adapter sleeve comprises upper cover and lower cover.
4. low floor train bogie drive system according to claim 1, it is characterized in that: described actuating device comprises drive motor, driving gear, reducing gear and the first transmission gear, what drive motor was horizontal is fixed on the first drive gearbox, the output shaft axis of drive motor and the first independent axle line parallel, described driving gear, reducing gear and the first transmission gear are located in the first drive gearbox, driving gear is arranged on the output shaft of drive motor, reducing gear is between driving gear and the first transmission gear, the first transmission gear is connected with the first mechanism of independent wheel, driving gear is meshed with reducing gear, reducing gear is meshed with the first transmission gear.
5. low floor train bogie drive system according to claim 4, is characterized in that: described driving device comprises the second transmission gear that is located at the second drive gearbox and is connected with the second mechanism of independent wheel.
6. low floor train bogie drive system according to claim 5, it is characterized in that: described transverse coupling mechanism also comprises and is located on coupling axle and is positioned at the first coupling wheel of the first drive gearbox and is located on coupling axle and is positioned at the second coupling wheel of the second drive gearbox, the first coupling wheel is meshed with the first transmission gear, and the second coupling wheel is meshed with the second transmission gear.
7. low floor train bogie drive system according to claim 1, is characterized in that: between the first drive gearbox and framework, be provided with two connecting rods that are arranged in parallel, be provided with two connecting rods that are arranged in parallel between the second drive gearbox and framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073511.1U CN203793334U (en) | 2014-02-20 | 2014-02-20 | Bogie driving system of low-floor train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420073511.1U CN203793334U (en) | 2014-02-20 | 2014-02-20 | Bogie driving system of low-floor train |
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| Publication Number | Publication Date |
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| CN203793334U true CN203793334U (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420073511.1U Expired - Lifetime CN203793334U (en) | 2014-02-20 | 2014-02-20 | Bogie driving system of low-floor train |
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| CN (1) | CN203793334U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137934A (en) * | 2016-03-01 | 2017-09-08 | 江苏金刚文化科技集团股份有限公司 | A kind of railcar drive mechanism |
| CN109015805A (en) * | 2017-09-23 | 2018-12-18 | 信阳农林学院 | A kind of medicinal material precut device |
| CN112519818A (en) * | 2020-12-09 | 2021-03-19 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
-
2014
- 2014-02-20 CN CN201420073511.1U patent/CN203793334U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107137934A (en) * | 2016-03-01 | 2017-09-08 | 江苏金刚文化科技集团股份有限公司 | A kind of railcar drive mechanism |
| CN109015805A (en) * | 2017-09-23 | 2018-12-18 | 信阳农林学院 | A kind of medicinal material precut device |
| CN109015805B (en) * | 2017-09-23 | 2023-09-29 | 信阳农林学院 | Medicinal material pre-cutting device |
| CN112519818A (en) * | 2020-12-09 | 2021-03-19 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
| CN112519818B (en) * | 2020-12-09 | 2022-04-15 | 中车唐山机车车辆有限公司 | Bogie and rail vehicle |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20140827 |