CN208565510U - A kind of rail traffic vertical transmission gear box - Google Patents
A kind of rail traffic vertical transmission gear box Download PDFInfo
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- CN208565510U CN208565510U CN201820520399.XU CN201820520399U CN208565510U CN 208565510 U CN208565510 U CN 208565510U CN 201820520399 U CN201820520399 U CN 201820520399U CN 208565510 U CN208565510 U CN 208565510U
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- gear
- bearing
- jackshaft
- box
- input shaft
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Abstract
A kind of rail traffic vertical transmission gear box, including gear housing, it is located at the intracorporal fixed device of gear-box and is mounted on the transmission device of fixed device, transmission device includes the first gear stage and the second gear stage, first gear stage and motor axis connection, second gear stage is connect with axle, first gear stage and the second gear stage share a jackshaft, jackshaft is vertically arranged with motor shaft, it is arranged in parallel with axle, the movement of motor shaft is transmitted to jackshaft by vertical-transmission by the first gear stage, the movement of jackshaft is transmitted to axle by parallel drive by the second gear stage.The utility model is by the way of secondary transmission, first gear stage uses parallel drive using vertical-transmission, the second gear stage, entire gear-box is small in size, compact-sized, dramatically saves installation space, and transmission ratio can adjust in a big way, high reliablity.
Description
Technical field
The utility model relates to a kind of gear-boxes, and in particular to a kind of rail traffic vertical transmission gear box.
Background technique
Gear-box is core component in railway transportation equipment vehicle drive system, is typically mounted on axle, another
End is hung on framework by sunpender, and traction electric machine input torque is transmitted to wheel pair through a stable drive ratio, runs and pacifies to vehicle
Complete and reliability has vital influence.
Traditional gearbox drive mode be generally level-one or second level parallel pinion shaft transmission, traction electric machine axis also with gear
Axis is parallel, is mounted between axle and intermediate beam.Since bogie structure is compact, traction electric machine and gear-box installation space are very
It is limited, when design requirement wheel-base bogie reduces, traction electric machine outer diameter is larger or other special circumstances, it will lead to no space
Gear-box and traction electric machine are installed, if also needed to arrange other devices, such as brake disc on axle, also lead to no space peace
Toothing roller box and traction electric machine.It is, therefore, desirable to provide a kind of new technical solution, meets gear-box and traction electric machine installation space
Needs when narrow.
Such as number of patent application CN201510970136.X, the application for a patent for invention of entitled " hydraulic power axle gear box "
Disclose a kind of hydraulic power axle gear box used for rail vehicle, including cabinet assembly, input axle assembly, countershaft assembly,
The outside diameter of gear of export axle assembly and breather, the input gear axle of input axle assembly is less than input shaft solid box bore
Diameter；Input shaft integrated bearing block and plummer block seat are equipped with corresponding first oil trap, and upper box is equipped with second
Oil trap, lower box are equipped with third oil trap, input shaft integrated bearing block, plummer block seat, on output shaft bearing seat
Equipped with corresponding oil storage cabin, oil guide plate is set on the observation window of upper box；Each oil trap is communicated with corresponding bearing respectively, each to store up
Bunker rib height is at least above at the 1/3 ~ 1/2 of corresponding bearing lowest part roller height；The input terminal of input axle assembly revolves
Turn at perforation, the output end of countershaft assembly rotates at perforation and is equipped with sealing structure at the rotation perforation of export axle assembly；
Structure of the invention is compact, rationally distributed, and lubrication is reliable.
Such as number of patent application CN201220127871.6, entitled " a kind of modular construction industrial gearbox " it is practical new
Type patent discloses a kind of modular construction industrial gearbox, it mainly includes box part, input shaft component, intermediate shaft part
And output shaft assembly, be respectively arranged in the cabinet of the box part output bearing block for output shaft assembly installation,
For intermediate shaft part installation middle bearing bracket and a variable bearing block, and the output bearing block, middle bearing bracket and
The axis center parallel arrangement of variable bearing block, can be with the external of end cap corresponding to offering on the side box body wall of variable bearing block
Mouthful；The Hardened gear face Series Gear case of two kinds of different types of parallel axes and vertical axis that it is designed using modular technology, tooth
It takes turns box body and gear is completely general；With compact-sized, easy to use, gear range is wide, transmitting torque is big, can stand
Formula, horizontal installation, output shaft have the way of outputs such as solid shafting, hollow shaft, shrink disc hollow shaft, hollow spline and flange shaft,
The features such as user demand can be met to the maximum extent.
Although above-mentioned patent is related to the gear-box of vertical-transmission, but still it is tight to be unable to satisfy rail vehicle truck structure
It gathers, traction electric machine and the demand narrow and to gear-box volume defining of gear-box installation space can not also be applied to rail traffic
Field, therefore still need to improve, the utility model provides the completely new rail traffic of one kind and is solved with vertical transmission gear box
Scheme.
Utility model content
The utility model for current gear case volume it is excessive, can not adapt to rail vehicle truck it is compact-sized, traction
Motor and gear-box installation space it is narrow and the problem of cause traction electric machine and gear-box to be fitted without position, propose a kind of rail
Road traffic vertical transmission gear box, it is intended to it solves gear-box and traction electric machine in some cases and is fitted without space problem,
To meet railway transportation equipment diversified development demand, a kind of completely new solution is provided for gear-box and traction electric machine arrangement
Scheme changes the arrangement relation of conventional gearbox and motor.
The utility model in order to solve the above problem used by technological means are as follows: a kind of rail traffic vertical-transmission gear
Case including gear housing, is located at the intracorporal fixed device of gear-box and is mounted on the transmission device of fixed device, transmission device packet
Include the first gear stage and the second gear stage, the first gear stage and motor axis connection, the second gear stage with
Axle connection, the first gear stage and the second gear stage share a jackshaft, jackshaft is vertically arranged with motor shaft,
It is arranged in parallel with axle, the movement of motor shaft is transmitted to jackshaft by vertical-transmission by the first gear stage, and the second level passes
The movement of jackshaft is transmitted to axle by parallel drive by dynamic device.
Further, the first gear stage includes input shaft and the bevel gear one for being fixed on input shaft, jackshaft and consolidates
It is scheduled on the bevel gear two of jackshaft, wherein input shaft is vertically arranged with jackshaft, bevel gear one and two Vertical Meshing of bevel gear；The
Secondary transmission device includes the jackshaft shared with the first gear stage and the roller gear for being fixed on jackshaft, is also wrapped
Output shaft and the gear wheel for being fixed on output shaft are included, wherein jackshaft is arranged in parallel with output shaft, and roller gear and gear wheel are flat
Row engagement.
Further, fixed device includes inputting fixed device, intermediate retainer and the fixed device of output, input shaft,
Jackshaft and output shaft, which pass through fixed device, intermediate retainer respectively and export fixed device, is mounted on gear housing.
Further, the input shaft bearing that fixed device includes input shaft bearing seat and is arranged in input shaft bearing seat is inputted, it is defeated
Enter bearing and gear housing end is mounted on by input shaft bearing seat, input shaft passes through the hole of input shaft bearing, one end and stretches out gear-box
Body and motor axis connection；Intermediate retainer includes middle bearing bracket and the intermediate bearing that middle bearing bracket is arranged in, jackshaft
It holds and gear housing is mounted on by middle bearing bracket, jackshaft is fixed by intermediate bearing；Exporting fixed device includes output shaft
It holds seat and the output bearing of output bearing block is set, output bearing is mounted on gear housing, output shaft by exporting bearing block
For axle, fixed by exporting bearing.
Further, input shaft bearing is double row tapered roller bearing, and in double row tapered roller bearing and input shaft bearing seat
Between be equipped with bearing insert；Intermediate bearing is tapered roller bearing one, arranges taper roller axis face-to-face at the both ends of jackshaft
Hold one；Output bearing is tapered roller bearing two, arranges tapered roller bearing two face-to-face at axle both ends.
Further, bearing insert and gear housing end face are equipped with the adjusting pad of adjustment input shaft axial position.
Further, oil trap and lubricant passage way are equipped in gear housing.
Further, the end that the outside of input shaft is located at gear housing is equipped with input shaft labyrinth, jackshaft
Both ends are equipped with end cap, and the outside for exporting bearing is equipped with output shaft labyrinth.
Further, gear housing is branch mailbox structure, including upper box and lower box, point between upper box and lower box
Case angle is 30o-50o, flask joint by output shaft mounting hole center.
Further, reinforcing rib is provided on gear housing.
Further, hanging mounting base is provided on gear housing.
The beneficial effects of the utility model are:
1. the utility model, by the way of secondary transmission, the first gear stage is driven using vertical-transmission, the second level
Device uses parallel drive, and entire gear-box is small in size, compact-sized, dramatically saves installation space.
2. the secondary transmission of the utility model adjust transmission ratio can in a big way, high reliablity.
3. the input shaft of the utility model is mounted on gear-box body end by a double row tapered roller bearing and bearing insert
Portion, axial position are overlapped with second level transmission gear radial, gear-box inner space are taken full advantage of, using biserial circular cone
Roller bearing reduces input shaft length, reduces traction electric machine and gear-box mounting distance.
4. the installation of the utility model input shaft uses double row tapered roller bearing, adjustment bearing clearance is not needed, convenient for peace
Dress and maintenance.
Detailed description of the invention
Fig. 1 is the utility model external structure schematic diagram；
Fig. 2 is the utility model Figure 1A-A to schematic cross-sectional view；
Fig. 3 is the utility model mounting structure schematic diagram；
In figure: 1. gear housings, 11. upper boxes, 12. lower boxes, 13. reinforcing ribs, 14. hanging mounting bases, 2. input shafts,
21. bevel gear one, 22. double row tapered roller bearings, 23. input shaft labyrinths, 24. bearing inserts, 25. adjusting pads, in 3.
Between axis, 31. bevel gears two, 32. roller gears, 33. tapered roller bearings one, 34. end caps, 4. output shafts, 41. gear wheels, 42.
Tapered roller bearing two, 43. output shaft labyrinths.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Embodiment one
As shown in Figure 1-3, a kind of rail traffic vertical transmission gear box, by the way of secondary transmission, including one
Gear housing 1, gear housing 1 is used as mounting body, interior to be equipped with fixed device, and transmission device is mounted on gear by fixed device
The movement of traction electric machine is transmitted to axle by cabinet 1, and train is driven to advance.Fixed device is solid including the fixed device of input, centre
Determine device and export fixed device, input shaft, jackshaft and output shaft pass through fixed device, intermediate retainer and output respectively
Fixed device is mounted on gear housing 1.
The input shaft bearing that fixed device includes input shaft bearing seat and is arranged in input shaft bearing seat is inputted, input shaft bearing passes through
Input shaft bearing seat is mounted on 1 end of gear housing, and input shaft 2 passes through the hole of input shaft bearing, one end and stretches out gear housing 1 and motor
Axis connection is moved when motor rotates by motor shaft band driven input shaft 2 together.There are bevel gear 1, input shaft 2 on input shaft 2
It is structure as a whole with bevel gear 1；For the overall dimension for controlling gear-box, input shaft bearing uses double row tapered roller bearing 22,
And install and debug for the ease of gear, gear and bearing installation accuracy are improved, axis is set outside double row tapered roller bearing 22
The end for being mounted on gear housing 1 after bushing 24 by input shaft bearing seat is held, input shaft 2 forms cantilever structure.Using biserial
Tapered roller bearing 22 reduces the length of input shaft 2, therefore reduces the mounting distance of traction electric machine and gear-box, makes gear
The structure of case is more compact.
Intermediate retainer includes middle bearing bracket and the intermediate bearing that middle bearing bracket is arranged in, during intermediate bearing passes through
Between bearing block be mounted on gear housing 1, jackshaft 3 is fixed by intermediate bearing；Intermediate bearing uses tapered roller bearing 1,
One tapered roller bearing 1 is respectively installed at the both ends of jackshaft 3, two tapered roller bearings 1 are arranged face-to-face, each logical
It crosses a middle bearing bracket to be mounted on gear housing 1, bevel gear 2 31 and roller gear 32 is socketed on jackshaft 3.
Exporting fixed device includes the output bearing for exporting bearing block and output bearing block being arranged in, and output bearing passes through defeated
Bearing block is mounted on gear housing 1 out, and output shaft 4 is axle, is fixed by exporting bearing.It exports bearing and uses taper roller axis
2 42 are held, one tapered roller bearing 2 42, two face-to-face cloth of tapered roller bearing 2 42 are respectively installed at the both ends of output shaft
It sets, is respectively mounted on gear housing 1 by an output bearing block, a gear wheel 41 is socketed on output shaft 4.
Input shaft 2 is vertically arranged with jackshaft 3, is inputted between fixed device and intermediate retainer and is also vertically arranged, pole
The earth saves the space of installation, Vertical Meshing between bevel gear 1 and bevel gear 2 31, the gear driving pair structure of composition
It is driven at the first order.Jackshaft 3 is arranged in parallel with output shaft 4, also parallel between intermediate retainer and the fixed device of output to set
It sets, is engaged in parallel between roller gear 32 and gear wheel 41, the gear driving pair of composition constitutes second level transmission.Pass through first
The movement of traction electric machine is transmitted to jackshaft 3 by grade transmission, and the movement of jackshaft 3 is transmitted to axle by second level transmission.It is intermediate
2 31 flank of tooth of bevel gear of axis 3 makes to input gear of the shaft fixing device in position with second level transmission towards roller gear 32
Transmission is radially overlapped, and dramatically saves the space of installation.
Embodiment two
As shown in Fig. 2, in the present embodiment, it is equipped with oil trap and lubricant passage way in gear housing 1, and the profit of gear and bearing
It is sliding to use splashing lubricating system, guarantee that each gear and bearing obtain sufficient lubrication.
Embodiment three
As shown in Fig. 2, the end face of bearing insert and gear housing 1 is equipped with adjusting pad 25 in the present embodiment, it can be to input shaft
2 axial position is accurately adjusted, and so as to adjust the bevel gear sideshake of first order transmission, makes bevel gear 1 and bevel gear two
31 are in optimal meshing state.
Example IV
As shown in Figure 1, gear housing 1 uses separate-box type structure in the present embodiment, it is divided into upper box 11 and lower box 12,
Branch mailbox angle is 30o-50o, flask joint uses bolt by the center of 4 mounting hole of output shaft between upper box 11 and lower box 12
It tightens as an entirety.By using 1 structure of gear housing of separate-box type, the components in gear housing 1 are easily installed and tie up
Shield.
Embodiment five
As shown in Figure 1, the outside of gear housing 1 is equipped with hanging mounting base 14, when traction electric machine and gear in the present embodiment
When case is installed to train, mounting base 14 is hung as gear-box, hanging support is provided.
Embodiment six
As shown in Figure 1, the outside of gear housing 1 is equipped with reinforcing rib 13 in the present embodiment, the strong of gear housing 1 is increased
Degree, so that gear housing 1 preferably provides protection for internal structure.
As shown in figure 3, axle passes through output as the output shaft of gear housing when this gear-box to be installed on train
The movement of fixed device and gear wheel, traction electric machine is transmitted to axle by secondary transmission, and the movement of axle is again with driving wheel to fortune
It is dynamic, and then train is made to move ahead.
It can be seen from above-described embodiment that the utility model has the following beneficial effects:
1. the utility model, by the way of secondary transmission, the first gear stage is driven using vertical-transmission, the second level
Device uses parallel drive, and entire gear-box is small in size, compact-sized, dramatically saves installation space.
2. the secondary transmission of the utility model adjust transmission ratio can in a big way, high reliablity.
3. the input shaft of the utility model is mounted on gear-box body end by a double row tapered roller bearing and bearing insert
Portion, axial position are overlapped with second level transmission gear radial, gear-box inner space are taken full advantage of, using biserial circular cone
Roller bearing reduces input shaft length, reduces traction electric machine and gear-box mounting distance.
4. the installation of the utility model input shaft uses double row tapered roller bearing, adjustment bearing clearance is not needed, convenient for peace
Dress and maintenance.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field
Technical staff in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes or convert, because
This all equivalent technical solution also should belong to the protection scope of the utility model, and the protection scope of the utility model should be by
Each claim limits.
Claims (10)
1. a kind of rail traffic vertical transmission gear box, it is characterised in that: including gear housing, to be located at gear-box intracorporal solid
Determine device and the transmission device for being mounted on fixed device, transmission device includes the first gear stage and the second gear stage,
First gear stage and motor axis connection, the second gear stage are connect with axle, and the first gear stage and the second level pass
Dynamic device shares a jackshaft, and jackshaft is vertically arranged with motor shaft, is arranged in parallel with axle, and the first gear stage passes through
The movement of motor shaft is transmitted to jackshaft by vertical-transmission, and the second gear stage is passed the movement of jackshaft by parallel drive
It is delivered to axle.
2. rail traffic vertical transmission gear box as described in claim 1, it is characterised in that: the first gear stage includes
Input shaft and bevel gear one, jackshaft and the bevel gear two for being fixed on jackshaft for being fixed on input shaft, wherein input shaft is in
Between axis be vertically arranged, bevel gear one and two Vertical Meshing of bevel gear；Second gear stage includes total with the first gear stage
Jackshaft and the roller gear for being fixed on jackshaft, further include output shaft and the gear wheel for being fixed on output shaft, wherein
Jackshaft is arranged in parallel with output shaft, and roller gear is parallel with gear wheel to be engaged.
3. rail traffic vertical transmission gear box as claimed in claim 2, it is characterised in that: fixed device includes that input is solid
Determine device, intermediate retainer and export fixed device, input shaft, jackshaft and output shaft pass through fixed device, centre respectively
Fixed device and the fixed device of output are mounted on gear housing.
4. rail traffic vertical transmission gear box as claimed in claim 3, it is characterised in that: it includes defeated for inputting fixed device
The input shaft bearing for entering bearing block and being arranged in input shaft bearing seat, input shaft bearing are mounted on gear-box body end by input shaft bearing seat
Portion, input shaft pass through the hole of input shaft bearing, one end and stretch out gear housing and motor axis connection；Intermediate retainer includes jackshaft
Seat and the intermediate bearing that middle bearing bracket is set are held, intermediate bearing is mounted on gear housing, jackshaft by middle bearing bracket
It is fixed by intermediate bearing；Exporting fixed device includes the output bearing for exporting bearing block and output bearing block being arranged in, output
Bearing is mounted on gear housing by exporting bearing block, and output shaft is axle, is fixed by exporting bearing.
5. rail traffic vertical transmission gear box as claimed in claim 4, it is characterised in that: input shaft bearing is biserial circular cone
Roller bearing, and bearing insert is equipped between double row tapered roller bearing and input shaft bearing seat；Intermediate bearing is taper roller
Bearing one arranges tapered roller bearing one at the both ends of jackshaft face-to-face；Output bearing is tapered roller bearing two, in axle
Tapered roller bearing two is arranged at both ends face-to-face.
6. rail traffic vertical transmission gear box as claimed in claim 5, it is characterised in that: bearing insert and gear housing
End face is equipped with the adjusting pad of adjustment input shaft axial position.
7. rail traffic vertical transmission gear box as described in claim 1, it is characterised in that: be equipped with oil-collecting in gear housing
Slot and lubricant passage way.
8. rail traffic vertical transmission gear box as described in claim 1, it is characterised in that: the outside of input shaft is located at tooth
The end for taking turns cabinet is equipped with input shaft labyrinth, and the both ends of jackshaft are equipped with end cap, and the outside for exporting bearing is equipped with output
Shaft labyrinth.
9. rail traffic vertical transmission gear box as described in claim 1, it is characterised in that: gear housing is branch mailbox knot
Structure, including upper box and lower box, the branch mailbox angle between upper box and lower box are 30o-50o, flask joint pass through output shaft pacify
Fill the center in hole.
10. rail traffic vertical transmission gear box as described in claim 1, it is characterised in that: be provided on gear housing
Reinforcing rib；Hanging mounting base is provided on gear housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520399.XU CN208565510U (en) | 2018-04-13 | 2018-04-13 | A kind of rail traffic vertical transmission gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520399.XU CN208565510U (en) | 2018-04-13 | 2018-04-13 | A kind of rail traffic vertical transmission gear box |
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| Publication Number | Publication Date |
|---|---|
| CN208565510U true CN208565510U (en) | 2019-03-01 |
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ID=65480590
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520399.XU Active CN208565510U (en) | 2018-04-13 | 2018-04-13 | A kind of rail traffic vertical transmission gear box |
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| Country | Link |
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| CN (1) | CN208565510U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443469A (en) * | 2018-04-13 | 2018-08-24 | 株洲九方装备驱动技术有限公司 | A kind of gear case used in rail transit vertical-transmission method and vertical transmission gear box |
-
2018
- 2018-04-13 CN CN201820520399.XU patent/CN208565510U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443469A (en) * | 2018-04-13 | 2018-08-24 | 株洲九方装备驱动技术有限公司 | A kind of gear case used in rail transit vertical-transmission method and vertical transmission gear box |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190304 Address after: 412005 No. 2 workshop and auxiliary building of Tianxin High-tech Park, Shifeng District, Zhuzhou City, Hunan Province Co-patentee after: Zhuzhou Gofront Equipment Co., Ltd. Patentee after: Zhuzhou nine party equipment driver technology Co., Ltd. Address before: 412005 No. 2 workshop and auxiliary building of Tianxin High-tech Park, Shifeng District, Zhuzhou City, Hunan Province Patentee before: Zhuzhou nine party equipment driver technology Co., Ltd. |