CN103195913B - Rail traffic vehicle gear box - Google Patents
Rail traffic vehicle gear box Download PDFInfo
- Publication number
- CN103195913B CN103195913B CN201310103154.9A CN201310103154A CN103195913B CN 103195913 B CN103195913 B CN 103195913B CN 201310103154 A CN201310103154 A CN 201310103154A CN 103195913 B CN103195913 B CN 103195913B
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- shaft
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- gear
- bearing
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- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
A kind of rail traffic vehicle gear box, comprise driving shaft, jack shaft, driven shaft and casing, described casing is made up of upper box and lower box, the junction plane of upper box and lower box is by the shaft axis of jack shaft and the shaft axis of driven shaft, driving shaft is in upper box, the two ends of corresponding driving shaft on casing, the two ends of jack shaft and the two ends of driven shaft are all provided with bearing support, in bearing support, tapered roller bearing is installed, form three pairs of tapered roller bearings, often pair of tapered roller bearing is in arranging face-to-face, described driving shaft, jack shaft and driven shaft are respectively supported by corresponding a pair tapered roller bearing, the bearing support of gear one end of jack shaft is No. II porose bearing support, No. II porose bearing support is provided with the center hole of allowing that bearing clearance measurement frock is passed through, the end face of gear one end of jack shaft is provided with the tapped hole for being connected with bearing clearance measurement frock.Installation and maintenance of the present invention is convenient, and bearing axial play is measured and easy to adjust.
Description
Technical field
The present invention relates to rail traffic vehicle gear box.
Background technique
In rail traffic vehicles, traction electric machine by transmission of power wheel, drives vehicle to travel by gear-box.Traditional rail traffic gear box adopts the casting box of vertical subdivision, and vertical subdivision casing must carry out moving back wheel in maintenance process, moves back the damage easily causing component in wheel process, increases the extra cost of overhaul.The gear-box of upper and lower subdivision facilitates the maintenance of gear-box.China's Authorization Notice No. is that the model utility of CN 201126006Y discloses the gear-box that namely a kind of rail traffic gear box is a kind of upper and lower subdivision, its casing is divided into upper box and lower box along the center line of intermediate gear shaft and elm shaft, its input gear axle, intermediate gear shaft and output shaft parallel support are in casing, intermediate gear shaft is fixedly installed a gear broad in the middle, output shaft is provided with output gearwheel; Input gear axle adopts roller bearing and four penalty kick bearings to combine and is supported in casing, and intermediate gear shaft and output shaft two ends are by bearings in casing, and input gear axle, output shaft and casing intersection are provided with seal arrangement; Gears meshing broad in the middle on input gear axle and intermediate gear shaft, intermediate gear shaft engages with the output gearwheel on output shaft.The gear-box driving gear shaft of existing upper and lower subdivision adopts duplex bearing combined support, occupy larger axial space, be unfavorable for that miscellaneous part is assembled, and support intermediate gear shaft bearing axial play must by after multiple tracks surveying and calculating one by one match grinding pad adjust, not only increase measurement error, bring larger inconvenience also to assembling and production.
Summary of the invention
The object of the invention is to propose a kind of installation and maintenance convenience, bearing axial play measurement and rail traffic vehicle gear box easy to adjust.
For achieving the above object, the present invention takes following technological scheme:
A kind of rail traffic vehicle gear box, comprise driving shaft, jack shaft, driven shaft and casing, driving shaft, jack shaft and driven shaft be arranged in parallel, driving shaft and jack shaft are gear shaft, jack shaft is fixed with one-level driven gear, driven shaft is fixed with secondary driven gear, gear on driving shaft and the engagement of one-level driven gear, gear on jack shaft and the engagement of secondary driven gear, described casing is made up of upper box and lower box, the junction plane of upper box and lower box is by the shaft axis of jack shaft and the shaft axis of driven shaft, driving shaft is in upper box, the two ends of corresponding driving shaft on casing, the two ends of jack shaft and the two ends of driven shaft are all provided with bearing support, in bearing support, tapered roller bearing is installed, form three pairs of tapered roller bearings, often pair of tapered roller bearing is in arranging face-to-face, described driving shaft, jack shaft and driven shaft are respectively supported by corresponding a pair tapered roller bearing, the bearing support of gear one end of jack shaft is No. II porose bearing support, No. II porose bearing support is provided with the center hole of allowing that bearing clearance measurement frock is passed through, the end face of gear one end of jack shaft is provided with the tapped hole for being connected with bearing clearance measurement frock.
The outside of described No. II porose bearing support is provided with No. II closed end cap.
On described casing, the other end bearing support of corresponding No. II porose bearing support is No. II closed bearing support.
The bearing support described casing being arranged on driving shaft external part is No. I porose bearing support, and the outside of No. I porose bearing support is provided with No. I porose end cap, and driving shaft is stretched out by the center hole of No. I porose bearing support and the center hole of No. I porose end cap.
Seal arrangement is provided with between the center hole of described driving shaft and No. I porose bearing support.
Bearing support casing being arranged on gear one end of driving shaft is No. I closed bearing support.
The bearing support described casing being arranged on driven shaft two ends is No. III porose bearing support, and the two ends of driven shaft are stretched out respectively by the center hole of No. III porose bearing support of correspondence.
Locking device is provided with between the center hole of the respectively and No. III porose bearing support in two ends of described driven shaft.
Described seal arrangement is mazy type mechanical seal device.
The pad combination for adjusting bearing axial play is provided with between casing and No. II porose bearing support.
The present invention has following good effect: 1, casing is divided into upper box and lower box, facilitates the installation and maintenance of gear-box.2, driving shaft adopts tapered roller bearing supporting, shortens the axial dimension at gearbox main drive shaft position.3, the bearing support of gear one end of jack shaft is No. II porose bearing support, No. II porose bearing support is provided with center hole, the end face of gear one end of jack shaft is provided with tapped hole, bearing clearance measurement frock is connected in the tapped hole of jack shaft through the center hole of No. II porose bearing support, facilitate the measurement of bearing axial play, and between bearing support and casing, adopt the pad of different-thickness to combine, the axial internal clearance of convenient adjustment bearing.4, the not external part of driving shaft and jack shaft directly adopts closed bearing support, mechanical labyrinth formula seal arrangement is adopted between the external part of driving shaft, driven shaft and respective bearing support, for No. II porose bearing support, take that No. II closed end cap is installed in outside to close, good seal performance of the present invention, can prevent gear-box leakage of oil.
Accompanying drawing explanation
Fig. 1 is view of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
In figure: 1. driving shaft, 2. jack shaft, 3. driven shaft, 4. upper box, 5. lower box, 6. tapered roller bearing, 7. seal arrangement, 8. pad, 9. seal ring, 12. No. I porose bearing supports, 13. No. I closed bearing supports, 14. No. I porose end caps, 21. one-level driven gears, 22. No. II porose bearing supports, 23. No. II closed bearing supports, 24. No. II closed end caps, 31. secondary driven gears, 32. No. III porose bearing supports.
Embodiment
Embodiment 1
See accompanying drawing, the present embodiment comprises driving shaft 1, jack shaft 2, driven shaft 3 and casing.Described casing is made up of upper box 4 and lower box 5, the junction plane of upper box 4 and lower box 5 is by the shaft axis O2 of the jack shaft 2 and shaft axis O3 of driven shaft 3, adopt form of flanges to connect between upper box 4 and lower box 5, by 12 bolts, upper and lower casing is fixedly connected with.Driving shaft 1, jack shaft 2 and driven shaft 3 are set in parallel in casing, and wherein driving shaft 1 is in upper box 4.Driving shaft 1 and jack shaft 2 are gear shaft, jack shaft 2 is fixed with one-level driven gear 21, driven shaft 3 is fixed with secondary driven gear 31, the gear on driving shaft 1 and one-level driven gear 21 engage, and the gear on jack shaft 2 and secondary driven gear 31 engage.Casing is stretched out in one end of driving shaft 1, and casing is all stretched out in the two ends of driven shaft 3.
The two ends of the two ends of corresponding driving shaft 1 on casing, the two ends of jack shaft 2 and driven shaft 3 are all provided with bearing support, tapered roller bearing 7 is installed in bearing support, form three pairs of tapered roller bearings, often pair of tapered roller bearing is in arranging face-to-face, and described driving shaft 1, jack shaft 2 and driven shaft 3 are respectively supported by corresponding a pair tapered roller bearing.
The bearing support of gear one end of described jack shaft 2 is No. II porose bearing support 22, No. II porose bearing support 22 is provided with the center hole 22-1 allowing that bearing clearance measurement frock is passed through, and gear one end end face of jack shaft 2 is provided with the tapped hole 2-1 for being connected with bearing clearance measurement frock.Seal ring 9 is respectively provided with between the end face that the outside of described No. II porose bearing support 22 is provided with No. II closed end cap 24, No. II porose bearing support 22 and No. II closed end cap 24, between the outer circumferential face of No. II porose bearing support 22 and casing.
On described casing, the other end bearing support of corresponding No. II porose bearing support 22 is that No. II closed bearing support 23, No. II closed bearing support 23 covers tapered roller bearing 7, is provided with seal ring 9 between No. II closed bearing support 23 and casing.
The bearing support described casing being arranged on driving shaft external part is No. I porose bearing support 12, the outside of No. I porose bearing support 12 is provided with No. I porose end cap 14, and driving shaft 1 is stretched out by the center hole of No. I porose bearing support 14 and the center hole of No. I porose end cap 14.Seal ring 9 is respectively provided with between the outer circumferential face of No. I porose bearing support 12 and casing, between the end face of No. I porose bearing support 12 and No. I porose end cap 14.Mazy type mechanical seal device 6 is provided with between described driving shaft 1 and the center hole of No. I porose bearing support 12.
Bearing support casing being arranged on gear one end of driving shaft is that No. I closed bearing support 13, No. I closed bearing support 13 covers tapered roller bearing 7, is provided with seal ring 9 between the outer circumferential face of No. I closed bearing support 13 and casing.
The bearing support described casing being arranged on driven shaft 3 two ends is No. III porose bearing support 32, the two ends of driven shaft 3 are stretched out respectively by the center hole of No. III porose bearing support 32 of correspondence, are provided with seal ring 9 between the outer circumferential face of two No. III porose bearing support 32 and casing corresponding site.
The two ends of described driven shaft 3 are provided with mazy type mechanical seal device 6 respectively and between the center hole of correspondence No. III porose bearing support 32.
The pad combination 8 for adjusting bearing axial play is provided with between casing and No. II porose bearing support 22.Pad adopts different thickness.
Claims (10)
1. a rail traffic vehicle gear box, comprise driving shaft (1), jack shaft (2), driven shaft (3) and casing, driving shaft (1), jack shaft (2) and driven shaft (3) be arranged in parallel, driving shaft (1) and jack shaft (2) are gear shaft, jack shaft (2) is fixed with one-level driven gear (21), driven shaft (3) is fixed with secondary driven gear (31), gear on driving shaft (1) and one-level driven gear (21) engagement, gear on jack shaft (2) and secondary driven gear (31) engagement, it is characterized in that: described casing is made up of upper box (4) and lower box (5), the junction plane of upper box (4) and lower box (5) is by the shaft axis (O2) of jack shaft (2) and the shaft axis (O3) of driven shaft (3), driving shaft (1) is in upper box (4), the two ends of corresponding driving shaft (1) on casing, the two ends of jack shaft (2) and the two ends of driven shaft (3) are all provided with bearing support, tapered roller bearing (7) is installed in bearing support, form three pairs of tapered roller bearings, often pair of tapered roller bearing is in arranging face-to-face, described driving shaft (1), jack shaft (2) and driven shaft (3) are respectively supported by corresponding a pair tapered roller bearing, the bearing support of gear one end of jack shaft (2) is No. II porose bearing support (22), No. II porose bearing support (22) is provided with the center hole (22-1) of allowing that bearing clearance measurement frock is passed through, the end face of gear one end of jack shaft (2) is provided with the tapped hole (2-1) for being connected with bearing clearance measurement frock.
2. described rail traffic vehicle gear box according to claim 1, is characterized in that: the outside of described No. II porose bearing support (22) is provided with No. II closed end cap (24).
3. described rail traffic vehicle gear box according to claim 1, is characterized in that: on described casing, the other end bearing support of corresponding No. II porose bearing support (22) is No. II closed bearing support (23).
4. described rail traffic vehicle gear box according to claim 1, it is characterized in that: the bearing support described casing being arranged on driving shaft external part is No. I porose bearing support (12), the outside of No. I porose bearing support (12) is provided with No. I porose end cap (14), and driving shaft (1) is stretched out by the center hole of No. I porose bearing support (12) and the center hole of No. I porose end cap (14).
5. described rail traffic vehicle gear box according to claim 4, is characterized in that: be provided with seal arrangement (6) between described driving shaft (1) and the center hole of No. I porose bearing support (12).
6. described rail traffic vehicle gear box according to claim 1, is characterized in that: bearing support casing being arranged on gear one end of driving shaft (1) is No. I closed bearing support (13).
7. described rail traffic vehicle gear box according to claim 1, it is characterized in that: the bearing support described casing being arranged on driven shaft (3) two ends is No. III porose bearing support (32), the two ends of driven shaft (3) are stretched out respectively by the center hole of No. III porose bearing support (32) of correspondence.
8. described rail traffic vehicle gear box according to claim 7, is characterized in that: be provided with seal arrangement (6) between the center hole of the respectively and No. III porose bearing support (32) in two ends of described driven shaft (3).
9. the rail traffic vehicle gear box according to claim 5 or 8, is characterized in that: described seal arrangement (6) is mazy type mechanical seal device.
10. described rail traffic vehicle gear box according to claim 1, is characterized in that: be provided with pad combination (8) for adjusting bearing axial play between casing and No. II porose bearing support (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103154.9A CN103195913B (en) | 2013-03-27 | 2013-03-27 | Rail traffic vehicle gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103154.9A CN103195913B (en) | 2013-03-27 | 2013-03-27 | Rail traffic vehicle gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103195913A CN103195913A (en) | 2013-07-10 |
| CN103195913B true CN103195913B (en) | 2015-10-28 |
Family
ID=48718643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310103154.9A Active CN103195913B (en) | 2013-03-27 | 2013-03-27 | Rail traffic vehicle gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195913B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015198544A1 (en) * | 2014-06-27 | 2015-12-30 | 東洋電機製造株式会社 | Method for disassembling gear device |
| CN105460023B (en) * | 2015-12-25 | 2017-12-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Low-floor rail vehicle gear-box |
| CN109058436B (en) * | 2018-10-22 | 2023-08-29 | 资阳中工机车传动有限公司 | Mining gear box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252192A1 (en) * | 2002-11-09 | 2004-05-27 | Zf Friedrichshafen Ag | Axle transmission unit for rail car, comprising bevel gear located in particularly low position for compact size |
| CN101806350A (en) * | 2010-03-31 | 2010-08-18 | 南京高速齿轮制造有限公司 | Gear case used for rail traffic vehicle |
| CN201561094U (en) * | 2009-11-03 | 2010-08-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case used in rail transit |
| CN102691751A (en) * | 2012-05-03 | 2012-09-26 | 南京高速齿轮制造有限公司 | Rail transit gearbox |
| CN203189688U (en) * | 2013-03-27 | 2013-09-11 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case of rail transit vehicle |
-
2013
- 2013-03-27 CN CN201310103154.9A patent/CN103195913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252192A1 (en) * | 2002-11-09 | 2004-05-27 | Zf Friedrichshafen Ag | Axle transmission unit for rail car, comprising bevel gear located in particularly low position for compact size |
| CN201561094U (en) * | 2009-11-03 | 2010-08-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case used in rail transit |
| CN101806350A (en) * | 2010-03-31 | 2010-08-18 | 南京高速齿轮制造有限公司 | Gear case used for rail traffic vehicle |
| CN102691751A (en) * | 2012-05-03 | 2012-09-26 | 南京高速齿轮制造有限公司 | Rail transit gearbox |
| CN203189688U (en) * | 2013-03-27 | 2013-09-11 | 南车戚墅堰机车车辆工艺研究所有限公司 | Gear case of rail transit vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103195913A (en) | 2013-07-10 |
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Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
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Address after: 213011 258 Wuyi Road, Qishuyan District, Changzhou, Jiangsu Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213011 258 Wuyi Road, Qishuyan District, Changzhou, Jiangsu Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |