CN107546905A - A kind of high-speed electric expreess locomotive bearing assembling structure - Google Patents
A kind of high-speed electric expreess locomotive bearing assembling structure Download PDFInfo
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- CN107546905A CN107546905A CN201610460227.3A CN201610460227A CN107546905A CN 107546905 A CN107546905 A CN 107546905A CN 201610460227 A CN201610460227 A CN 201610460227A CN 107546905 A CN107546905 A CN 107546905A
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- bearing
- spacer
- angular contact
- oil
- contact ball
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Abstract
The invention discloses a kind of high-speed electric expreess locomotive bearing assembling structure, belong to high-speed electric expreess locomotive field, include the rotating shaft of front and rear extension, rotating shaft is provided with cylindrical bearing and the angular contact ball bearing of a pair of back-to-back mounted in pairing mode on rear side of cylindrical bearing, cylindrical bearing and two angular contact ball bearings are all provided with bearing block, front bearing retainer is installed with front side of bearing block, rear side is installed with rear bearing cover, rotating shaft outer ring is also arranged with the first spacer being folded between cylindrical bearing and front side angular contact ball bearing, the second spacer and interval that are folded between two angular contact ball bearings are set in the 3rd spacer of the second spacer outer ring, 3rd spacer is also folded between two angular contact ball bearings.A kind of high-speed electric expreess locomotive bearing assembling structure of the present invention, enter fuel-displaced smooth, the raising motor bearings life-span.
Description
Technical field
The invention belongs to high-speed electric expreess locomotive field, more particularly to a kind of high-speed electric expreess locomotive bearing assembling structure.
Background technology
High-speed electric expreess locomotive with larger additional axial direction, radial load, universal bearing life is not high, and because oil circuit is longer, enters
It is fuel-displaced not smooth, Bearing Temperature.
The content of the invention
Enter fuel-displaced smooth, the high-speed electric expreess locomotive bearing assembling knot in raising motor bearings life-span it is an object of the invention to provide one kind
Structure.
To achieve the above object, the present invention adopts the following technical scheme that:A kind of high-speed electric expreess locomotive bearing assembling structure, including it is preceding
The rotating shaft extended afterwards, rotating shaft are provided with the angular contact of cylindrical bearing and a pair of back-to-back mounted in pairing mode on rear side of cylindrical bearing
Ball bearing, two angular contact ball bearings are that time interval is set, and cylindrical bearing and two angular contact ball bearings are all provided with bearing block, axle
Front bearing retainer is installed with front side of bearing, rear side is installed with rear bearing cover, rotating shaft outer ring be also arranged be folded in cylindrical bearing with
The first spacer between the angular contact ball bearing of front side, the second spacer being folded between two angular contact ball bearings and interval are set in
3rd spacer of the second spacer outer ring, the 3rd spacer are also folded between two angular contact ball bearings, the outer peripheral surface of the 3rd spacer
It is in contact with the inner peripheral surface of bearing block, the cylindrical bearing, the angular contact ball bearing of front side, bearing block and the second spacer enclose and set
The first oil pocket circularized, the second oil pocket for being set as annular, institute are enclosed between two angular contact ball bearings, the second spacer and the 3rd spacer
The lid chamber that the first oil inlet passage connects rear bearing cover by the first fuel feed hole is stated, the second oil inlet passage is connected by the second fuel feed hole
First oil pocket, the first drainback passage passes sequentially through the second drainback passage, the 3rd drainback passage connects the second oil pocket.
First oil inlet passage connects the first oil inlet pipe.
Second oil inlet passage connects the second oil inlet pipe.
First drainback passage connects oil return pipe.
A kind of high-speed electric expreess locomotive bearing assembling structure of the present invention, cylindrical bearing and pairing angular contact ball bearing back-to-back
Larger axial direction, radial direction additional force can be born, oil-feed, way to cycle oil use passage, effectively alleviate into it is fuel-displaced not smooth the problem of.
The present invention is simple in construction, reliability is high, improves the life-span of high-speed electric expreess locomotive bearing.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is Fig. 1 left view;
Fig. 3 is the A-A views in Fig. 2;
In figure:Rotating shaft 1, lid chamber 2, front bearing retainer 3, the first oil inlet passage 4, cylindrical bearing 5, the first oil pocket 6, angular contact ball
Bearing 7, the second oil pocket 8, the 3rd spacer 9, bearing block 10, the first fuel feed hole 11, rear bearing cover 12, the second spacer 13, the 3rd time
Oily passage 14, the second drainback passage 15, the second oil-feed port 16, oil return pipe 17, the first drainback passage 18, the first oil-feed port
19th, the first oil inlet pipe 20, the second oil inlet pipe 21, the second oil inlet passage 22, the second fuel feed hole 23.
Embodiment
As a kind of high-speed electric expreess locomotive bearing assembling structure shown in Fig. 1-Fig. 3, include the rotating shaft 1 of anterior-posterior horizontal extension, rotating shaft 1
It is provided with cylindrical bearing 5 and the angular contact ball bearing 7 of a pair of back-to-back mounted in pairing mode positioned at the rear side of cylindrical bearing 5, two corner connections
Ball bearing 7 is touched to set for time interval.
For the angular contact ball bearing 7 of cylindrical bearing 5 and two in bearing block 10, the front side of bearing block 10 is installed with fore bearing
Lid 3, rear side are installed with rear bearing cover 12, and front bearing retainer 3 and rear bearing cover 12 are equipped with the centre bore for inserting rotating shaft 1, preceding
Bearing cap 3 and rear bearing cover 12 are set in the outer ring of rotating shaft 1, and bearing block 10 is axially penetrating hollow cylinder, and front bearing retainer 3 covers
In the front side of bearing block 10, the front end of the cover rim face bearing block 10 of front bearing retainer 3 is simultaneously contacted, and rear bearing cover 12 is covered in axle
The rear side of bearing 10, the rear end of the cover rim face bearing block 10 of rear bearing cover 12 simultaneously contact.
The outer ring of rotating shaft 1 is also arranged with the first spacer being folded between cylindrical bearing 5 and front side angular contact ball bearing 7, folder
The second spacer 13 and interval that are located between two angular contact ball bearings 7 are set in the 3rd spacer 9 of the outer ring of the second spacer 13, and the 3rd
Spacer 9 is also folded between two angular contact ball bearings 7, and the outer peripheral surface of the 3rd spacer 9 connects with the inner peripheral surface of bearing block 10
Touch.
First spacer, the second spacer 13 and the 3rd spacer 9 are annular, the first spacer, 13 equal spacer sleeve of the second spacer
It is located in bearing block 10.
The cylindrical bearing 5, the angular contact ball bearing 7 of front side, the spacer 13 of bearing block 10 and second, which enclose, is set as the of annular
One oil pocket 6.
The second oil pocket 8 for being set as annular is enclosed between two angular contact ball bearings 7, the second spacer 13 and the 3rd spacer 9.
The lid chamber 2 of front bearing retainer 3 is connected by cylindrical bearing 5 with the first oil pocket 6, and the first oil pocket 6 passes through front side angular contact
Bearing is connected with the second oil pocket 8, and the second oil pocket 8 is connected by rear side angular contact bearing with the lid chamber 2 of rear bearing cover 12.
The first oil inlet passage 4, the second oil inlet passage 22 and the first drainback passage 18, the first oil-feed is set in front bearing retainer 3 to lead to
Road 4 is L-shaped hole, and the oil-feed port of the first oil inlet passage 4 is located at the outer peripheral surface of front bearing retainer 3, fuel-displaced port is located at fore bearing
The rear end face of lid 3;Second oil inlet passage 22 is also L-shaped hole, and the oil-feed port of the second oil inlet passage 22 is located at the outer of front bearing retainer 3
Circle surface, fuel-displaced port are located at the rear end face of front bearing retainer 3;First drainback passage 18 is T-shaped hole, and the first drainback passage 18 has
There are three ports:One of port is the inner peripheral surface positioned at the cover rim of front bearing retainer 3 and connects with the lid chamber 2 of front bearing retainer 3 the
One oil-feed port 19, one of port be positioned at the second oil-feed port 16, another port of the rear end face of front bearing retainer 3 be position
In the fuel-displaced port of the outer peripheral surface of front bearing retainer 3, the first oil inlet passage 4, the second oil inlet passage 22, the first drainback passage 18 are along circle
Weekly interval is set.
The first fuel feed hole 11, the second fuel feed hole 23 and the second drainback passage 15, first fuel feed hole are set in bearing block 10
11 be through hole penetrating axially back and forth in bearing block 10, before the oil-feed port of the first fuel feed hole 11 is located at bearing block 10
End face, the fuel-displaced port face of the oil-feed port of the first fuel feed hole 11 and the first oil inlet passage 4 simultaneously connect, the first fuel feed hole 11
Fuel-displaced port is located at the rear end face of bearing block 10 and connected with the lid chamber 2 of rear bearing cover 12;Second fuel feed hole 23 is L-shaped hole, the
The oil-feed port of two fuel feed holes 23 is located at the front end face of bearing block 10, oil-feed port and the second oil inlet passage of the second fuel feed hole 23
22 fuel-displaced port face simultaneously connects, and the fuel-displaced port of the second fuel feed hole 23 is located in the inner peripheral surface of bearing block 10 and with first
Oil pocket 6 connects.
3rd spacer 9 sets the 3rd drainback passage 14, and the 3rd drainback passage 14 is to be radially arranged, the 3rd drainback passage 14
Oil-feed port is located at the inner peripheral surface of the 3rd spacer 9 and connected with the second oil pocket 8, and the fuel-displaced port of the 3rd drainback passage 14 is located at
The outer peripheral surface of 3rd spacer 9.
Second drainback passage 15 is L-shaped hole, and the oil inlet end of the second drainback passage 15 is located at the inner ring of bearing block 10
Surface, the oil inlet end of the second drainback passage 15 and the fuel-displaced port face of the 3rd drainback passage 14 and is connected, and the second oil return is led to
The fuel-displaced port in road 15 is located at the front end face of bearing block 10, the fuel-displaced port of the second drainback passage 15 and the first drainback passage 18
The face of second oil-feed port 16 simultaneously connects.
First oil inlet passage 4 connects the lid chamber 2 of rear bearing cover 12, the second oil inlet passage 22 by the first fuel feed hole 11
First oil pocket 6 is connected by the second fuel feed hole 23, the first drainback passage 18 passes sequentially through the second drainback passage 15, the 3rd oil return is led to
Road 14 connects the second oil pocket 8.
The oil-feed port connection first of the first oil inlet pipe of connection 20 of first oil inlet passage 4, i.e. the first oil inlet passage 4
Oil inlet pipe 20.
Second oil inlet passage 22 connects the second oil inlet pipe 21, i.e. the oil-feed port connection second of the second oil inlet passage 22
Oil inlet pipe 21.
First drainback passage 18 connects oil return pipe 17, and the fuel-displaced port of the first drainback passage 18 connects back to oil pipe 17.
Front bearing retainer 3, rear bearing cover 12, bearing block 10, the first spacer, the second spacer 13, the 3rd spacer 9 with rotating shaft 1
It is coaxially disposed.
High-speed electric expreess locomotive bearing assembling structure of the present invention, during work, the first oil inlet pipe 20 and the second oil inlet pipe 21 divide
Oil pump is not connected, after the lubricating oil entered from the first oil inlet pipe 20 passes sequentially through the first oil inlet passage 4, the first fuel feed hole 11 enters
The lid chamber 2 of bearing cap 12, the lubricating oil in the lid chamber 2 of rear bearing cover 12 enters the angular contact ball bearing 7 of rear side, and passes through rear side
Angular contact ball bearing 7 enter the second oil pocket 8, parts of lubricating oil can enter front side angular contact ball bearing 7, another parts of lubricating oil again
Discharged successively from the 3rd drainback passage 14, the second drainback passage 15, the first drainback passage 18 and oil return pipe 17.
The lubricating oil entered from the second oil inlet pipe 21 passes sequentially through the second oil inlet passage 22, the second fuel feed hole 23 enters first
Oil pocket 6, the angular contact ball bearing 7 that the lubricating oil portion in the first oil pocket 6 passes through front side enter the first oil pocket 6, another partial lubrication
Oil enters the lid chamber 2 of front bearing retainer 3 by cylindrical bearing 5, then enters the first drainback passage 18 by the first oil-feed port 19, most
Discharged eventually from oil return pipe 17.
Claims (4)
- A kind of 1. high-speed electric expreess locomotive bearing assembling structure, it is characterised in that:Rotating shaft (1) including front and rear extension, rotating shaft (1) are provided with The angular contact ball bearing (7) of cylindrical bearing (5) and a pair of back-to-back mounted in pairing mode on rear side of cylindrical bearing (5), two corner connections Touch ball bearing (7) to set for time interval, cylindrical bearing (5) and two angular contact ball bearings (7) are in bearing block (10), axle Front bearing retainer (3) is installed with front side of bearing (10), rear side is installed with rear bearing cover (12), rotating shaft (1) outer ring is also arranged with folder Be located at the first spacer between cylindrical bearing (5) and front side angular contact ball bearing (7), be folded in two angular contact ball bearings (7) it Between the second spacer (13) and interval be set in the 3rd spacer (9) of the second spacer (13) outer ring, the 3rd spacer (9) is also folded in Between two angular contact ball bearings (7), the outer peripheral surface of the 3rd spacer (9) is in contact with the inner peripheral surface of bearing block (10), described Cylindrical bearing (5), the angular contact ball bearing (7) of front side, bearing block (10) and the second spacer (13) enclose the first oil for being set as annular Chamber (6), the second oil pocket (8) for being set as annular is enclosed between two angular contact ball bearings (7), the second spacer (13) and the 3rd spacer (9), First oil inlet passage (4) connects the lid chamber (2) of rear bearing cover (12), the second oil inlet passage by the first fuel feed hole (11) (22) the first oil pocket (6) is connected by the second fuel feed hole (23), the first drainback passage (18) passes sequentially through the second drainback passage (15), the 3rd drainback passage (14) connects the second oil pocket (8).
- A kind of 2. high-speed electric expreess locomotive bearing assembling structure as claimed in claim 1, it is characterised in that:First oil inlet passage (4) the first oil inlet pipe (20) is connected.
- A kind of 3. high-speed electric expreess locomotive bearing assembling structure as claimed in claim 1, it is characterised in that:Second oil inlet passage (22) the second oil inlet pipe (21) is connected.
- A kind of 4. high-speed electric expreess locomotive bearing assembling structure as claimed in claim 1, it is characterised in that:First drainback passage (18) oil return pipe (17) is connected.
Priority Applications (1)
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CN201610460227.3A CN107546905A (en) | 2016-06-23 | 2016-06-23 | A kind of high-speed electric expreess locomotive bearing assembling structure |
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CN201610460227.3A CN107546905A (en) | 2016-06-23 | 2016-06-23 | A kind of high-speed electric expreess locomotive bearing assembling structure |
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CN201610460227.3A Pending CN107546905A (en) | 2016-06-23 | 2016-06-23 | A kind of high-speed electric expreess locomotive bearing assembling structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109278539A (en) * | 2018-11-05 | 2019-01-29 | 中国科学院沈阳自动化研究所 | A kind of wheeled robot Omni-mobile chassis |
CN109494923A (en) * | 2019-01-07 | 2019-03-19 | 中车大连机车研究所有限公司 | AC drive locomotive traction motor bearings non-transmision end mounting structure |
WO2022036519A1 (en) * | 2020-08-17 | 2022-02-24 | 西门子股份公司 | Gearbox adapter and gearbox |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4844625A (en) * | 1986-10-15 | 1989-07-04 | Fanuc Ltd. | Structure of journal bearing for motor operating at high revolutionary speeds |
CN202616917U (en) * | 2012-06-26 | 2012-12-19 | 东方电气(乐山)新能源设备有限公司 | Novel wind-driven generator bearing structure |
CN203604599U (en) * | 2013-10-30 | 2014-05-21 | 柳州正菱重型数控机床有限公司 | Cooling device for heavy-load high-speed spindle |
CN203800729U (en) * | 2013-11-30 | 2014-08-27 | 南阳防爆集团股份有限公司 | Device for thin oil lubrication of bearing of motor for mining main ventilator |
-
2016
- 2016-06-23 CN CN201610460227.3A patent/CN107546905A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4844625A (en) * | 1986-10-15 | 1989-07-04 | Fanuc Ltd. | Structure of journal bearing for motor operating at high revolutionary speeds |
CN202616917U (en) * | 2012-06-26 | 2012-12-19 | 东方电气(乐山)新能源设备有限公司 | Novel wind-driven generator bearing structure |
CN203604599U (en) * | 2013-10-30 | 2014-05-21 | 柳州正菱重型数控机床有限公司 | Cooling device for heavy-load high-speed spindle |
CN203800729U (en) * | 2013-11-30 | 2014-08-27 | 南阳防爆集团股份有限公司 | Device for thin oil lubrication of bearing of motor for mining main ventilator |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109278539A (en) * | 2018-11-05 | 2019-01-29 | 中国科学院沈阳自动化研究所 | A kind of wheeled robot Omni-mobile chassis |
CN109494923A (en) * | 2019-01-07 | 2019-03-19 | 中车大连机车研究所有限公司 | AC drive locomotive traction motor bearings non-transmision end mounting structure |
CN109494923B (en) * | 2019-01-07 | 2024-04-16 | 中国国家铁路集团有限公司 | Non-transmission end mounting structure of traction motor bearing of alternating current transmission locomotive |
WO2022036519A1 (en) * | 2020-08-17 | 2022-02-24 | 西门子股份公司 | Gearbox adapter and gearbox |
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Application publication date: 20180105 |