CN104859677A - Axle box device of bogie of CRH train - Google Patents
Axle box device of bogie of CRH train Download PDFInfo
- Publication number
- CN104859677A CN104859677A CN201510246770.9A CN201510246770A CN104859677A CN 104859677 A CN104859677 A CN 104859677A CN 201510246770 A CN201510246770 A CN 201510246770A CN 104859677 A CN104859677 A CN 104859677A
- Authority
- CN
- China
- Prior art keywords
- axle box
- bearing
- journal
- journal box
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F15/00—Axle-boxes
- B61F15/12—Axle-boxes with roller, needle, or ball bearings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides an axle box device of a bogie of a CRH train. An axle box adopts rocker arm type positioning and is of a split type structure. The axle box comprises an axle box rocker arm, a rocker arm hoop and an axle box cover, and the rocker arm and the rocker arm hoop form an axle box body. The axle box device is characterized in that on the basis of outer ring positioning of a cylindrical roller bearing, a 0-2mm gap is preserved between the axle box body and the axle box cover; a 0-0.7mm gap is preserved between an outer ring of the cylindrical roller bearing and the axle box cover. According to the invention, on the basis of outer ring positioning of the cylindrical roller bearing, the 0-2mm gap is preserved between the axle box body and the axle box cover, and the 0-0.7mm gap is preserved between the outer ring of the cylindrical roller bearing and the axle box cover, so that the axle box can meet the requirement for installing at least three types of bearings; the bogie of a railway vehicle can employ bearings of several suppliers for switching; risks of batch replacement or shutting down after the axle box bearing fails can be effectively reduced; the bearing suppliers can compete fully; and the purchase price of the axle box bearing can be lowered.
Description
Technical field
The invention belongs to rail vehicle truck technical field, especially relate to a kind of bogie axle case apparatus.
Background technology
On rail vehicles, be enclosed within connecting wheel on axle journal and axle box is called for short to the parts with truck frame or two axle car car body.Its effect is that car body weight and dynamic changes process is right to wheel, and lubrication axle journal, reduces friction, reduction running resistance.Axle box device presses adopted bearing type, is divided into plain bearing axle box device and rolling bearing axis case apparatus two class.Early stage rolling stock adopts plain bearing axle box device, and 20 beginnings of the century started rolling bearing axis case apparatus on probation, now replaces plain bearing axle box device gradually.
No matter existing guideway vehicle is overall axle box, or split axle box, the bearing (being manufactured by different supplier) that interface that is a kind of or same kind is measure-alike generally can only be installed, bearing is that the technical parameter of foundation vehicle carries out Selection and Design, through comparative analysis and calculating test, finally determine type and the oad of bearing.Axle box requires according to the sealing property of the type of bearing, size, installation requirement, axle box and the installation requirement etc. of axle head annex, carry out structure and the Functional Design of axle box, object is the fiting effect making axle box and bearing reach best, make axle box can ensure bogie primary-suspension device and take turns right connection, the normal work of bearing, what can meet again vehicle does not fall to taking turns the requirements such as Xuan repaiies, sensor installation, ensures the excellent in-use performance of rail car axle box and bearing.
China railways adopts column type rolling bearing axis case apparatus now on passenger vehicle, and diesel locomotive and electric locomotive mainly also adopt this axle box device.On passenger vehicle, axial force bears by the rib on bearing enclose, and is not generally with rib at locomotive head bearing, and the ball bearing of main shaft that axial force is mounted on axle head bears.On lorry except some adopts column type rolling bearing axis case apparatus, newly make lorry and mainly adopt sealed type cone rolling axle box device.Cone rolling two ends, with sealing arrangement, are adapter above outer ring, are contained in truck sideframe pedestal, play dynamic changes process effect, no longer include journal box body outside bearing.Thus this structure is called " without axle box bearing device ".Antifriction-bearing box all adopts grease, does not need often to uncap to refuel or check.
Axle box bearing belongs to the important spare part of guideway vehicle, relate to the operation security of guideway vehicle and the life security of passenger, but existing rail car axle box can only install a kind of bearing, the single long-term operation to guideway vehicle that bearing is selected leaves certain potential safety hazard, once there are design or quality problems in bearing, the batch of vehicle can be caused to reprocess or stop using, having a strong impact on the normal operation of guideway vehicle.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of axle box at least can installing three kinds of bearings, and bearing can be made to realize many exchanges, can effectively reduce due to axle box bearing go wrong after the batch replacement that produces or the risk of stoppage in transit.
For solving the problems of the technologies described above, the invention provides a kind of motor train unit bogie axle box device, axle box adopts swing arm type positioning, split-type structural, comprise axle box swivel arm, pivoted arm hoop, journal box lid, pivoted arm and pivoted arm hoop form journal box body, it is characterized in that: the outer ring based on cylindrical roller bearing is located, and leaves the gap of 0-2mm between journal box body and journal box lid; The gap of 0-0.7mm is left between the outer ring of tapered roller bearing and journal box lid.
Axle box swivel arm left-half is processed with groove, and right half part is processed with boss, for clamping lathe used for machining in-situ locomotive wheel.
For ensureing the cleanliness level of axle box and bearing, axle box is provided with multiple-sealed, and its hermetically-sealed construction comprises following 3 kinds of modes:
Journal box body side is provided with dust slinger, and dust slinger and axletree matching part adopt twice radial seal O type circle.
Inside journal box body, rib place adopts the labyrinth seal structure coordinated with dust slinger.
Journal box lid and journal box body adopt two kinds of radial seal.
The present invention is based on the location, outer ring of cylindrical roller bearing, between journal box body and journal box lid, leave the gap of 0-2mm; The gap of 0-0.7mm is left between the outer ring of tapered roller bearing and journal box lid, therefore this axle box can adapt to the installation requirement of at least three kinds of bearings, the bearing of rail vehicle truck can be made to realize many exchanges, can effectively reduce due to axle box bearing go wrong after the batch replacement that produces or the risk of stoppage in transit, bearing supplier sufficient competition can be made, reduce the procurement price of axle box bearing.
Accompanying drawing explanation
Fig. 1 is axle box composition schematic diagram;
Fig. 2 is the tapered roller bearing section-drawing of axle box assembling contact-type seal;
Fig. 3 is axle box assembling cylindrical roller bearing section-drawing;
Fig. 4 is axle box assembly clearance formula O-ring taper roller bearing section-drawing.
Detailed description of the invention
With reference to Fig. 1, axle box swivel arm 1, by adopting H-girder or boring structure, can ensure the bulk strength of axle box, can alleviate the weight of axle box by actv. again, alleviate unsprung weight, meet high speed train lightweight requirements.Axle box adopts swing arm type positioning, split-type structural, axle box composition comprises axle box swivel arm 1, pivoted arm hoop 2, journal box lid 3, axle box swivel arm and pivoted arm hoop are bolted, the groove of axle box swivel arm left-half processing and the boss of right half part processing, jointly as the position 4 of clamping lathe used for machining in-situ locomotive wheel, are convenient to carry out Xuan to wheel tread and are repaiied; By dismounting pivoted arm hoop, can when not falling bogie truck quick-replaceable wheel right.
Axle box swivel arm, pivoted arm hoop and journal box lid are by special structure and interface size design, same axle box and journal box lid can meet makes axle box while meeting different bearing installation requirement, at least 3 kinds of dissimilar bearings can be installed, realize the installation requirement of the corresponding multiple bearing of same axle box.
With reference to Fig. 2, Fig. 3 and Fig. 4, bearing comprises the tapered roller bearing of the tapered roller bearing of non-contacting seal, the cylindrical roller bearing of slit seal and slit seal, the installation requirement of bearing comprises the location, outer ring of cylindrical roller bearing, leave gap between journal box body and journal box lid, gap is be advisable between 0-2mm; Leave gap between tapered roller bearing outer ring and journal box lid, gap width is advisable between 0-0.7mm; For the installation requirement of satisfied different bearing, the size design between journal box body and journal box lid must meet the installation requirement of above-mentioned two type bearings simultaneously, only can adopt same journal box body and journal box lid again.
The main parts size such as axle box swivel arm, pivoted arm hoop and journal box lid can adopt aluminum alloy, cast iron or cast steel material to cast, and also can adopt forging structure, but in order to alleviate unsprung weight, adopt lightweighting materials as far as possible, and material must meet-40 DEG C of operating environment requirements.
For ensureing the cleanliness level of axle box and bearing, axle box is provided with multiple-sealed, and hermetically-sealed construction at least comprises following 3 kinds of modes:
Journal box body side is provided with dust slinger, and the structure of dust slinger carries out matching design according to the hermetically-sealed construction of axle box, and dust slinger and axletree matching part adopt twice radial seal O type circle;
Inside journal box body rib place adopt with dust slinger coordinate labyrinth seal structure, particularly effective to the sealing effectiveness of the bearing of non-contacting seal;
Journal box lid and journal box body adopt two kinds of radial seal, to adapt to the sealing needs installing at least three kinds of bearings.
Claims (6)
1. a motor train unit bogie axle box device, axle box adopts swing arm type positioning, split-type structural, comprise axle box swivel arm, pivoted arm hoop, journal box lid, pivoted arm and pivoted arm hoop form journal box body, it is characterized in that: the outer ring based on cylindrical roller bearing is located, and leaves the gap of 0-2mm between journal box body and journal box lid; The gap of 0-0.7mm is left between the outer ring of tapered roller bearing and journal box lid.
2. a kind of motor train unit bogie axle box device according to claim 1, is characterized in that: axle box swivel arm left-half is processed with groove, and right half part is processed with boss, for clamping lathe used for machining in-situ locomotive wheel.
3. a kind of motor train unit bogie axle box device according to claim 1, is characterized in that: axle box side is provided with dust slinger, and dust slinger and axletree matching part adopt twice radial seal O type circle.
4. a kind of motor train unit bogie axle box device according to claim 1, is characterized in that: inside journal box body, rib place adopts the labyrinth seal structure coordinated with dust slinger.
5. a kind of motor train unit bogie axle box device according to claim 1, is characterized in that: journal box lid and journal box body adopt two kinds of radial seal.
6. a kind of motor train unit bogie axle box device according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: axle box swivel arm, pivoted arm hoop and journal box lid main parts size adopt the casting of aluminum alloy, cast iron or cast steel material, or employing forging structure, material is the cryogenic material of satisfied-40 DEG C of operating environment requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246770.9A CN104859677A (en) | 2015-05-15 | 2015-05-15 | Axle box device of bogie of CRH train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510246770.9A CN104859677A (en) | 2015-05-15 | 2015-05-15 | Axle box device of bogie of CRH train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104859677A true CN104859677A (en) | 2015-08-26 |
Family
ID=53905973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510246770.9A Pending CN104859677A (en) | 2015-05-15 | 2015-05-15 | Axle box device of bogie of CRH train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104859677A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365840A (en) * | 2015-11-25 | 2016-03-02 | 长春轨道客车股份有限公司 | Intercity electric multiple unit power bogie |
| CN110355593A (en) * | 2019-08-16 | 2019-10-22 | 中车资阳机车有限公司 | A kind of structure of axle box with non-pulling wheel spinning roller function |
| CN110733527A (en) * | 2019-10-15 | 2020-01-31 | 南京金正奇交通设备有限责任公司 | application in bogie axle box of high-speed passenger train, aluminum alloy material and processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1802662B2 (en) * | 1968-10-11 | 1978-03-30 | Vsesojuznyj Ordena Trudovogo Krasnogo Znameni Nautschno-Issledovatelskij Institut Scheleznodoroschnogo Transporta, Moskau | Railway vehicle wheel set axle box - has constantly narrowing roller bearing casing elastic inlay for even radial loading |
| CN201193037Y (en) * | 2008-08-15 | 2009-02-11 | 铁道部运输局 | Rocker type journal box positioning device of high-speed motor train set bogies |
| CN201856779U (en) * | 2010-09-26 | 2011-06-08 | 南车青岛四方机车车辆股份有限公司 | Primary resilient positioning device for railway vehicle |
| CA2713585A1 (en) * | 2010-03-08 | 2011-09-08 | Amsted Rail Company, Inc. | Railway car bearing seal |
| CA2732467A1 (en) * | 2010-07-29 | 2012-01-29 | Amsted Rail Company, Inc. | Railway car bearing seal |
| CN204674607U (en) * | 2015-05-15 | 2015-09-30 | 长春轨道客车股份有限公司 | A kind of motor train unit bogie axle box device |
-
2015
- 2015-05-15 CN CN201510246770.9A patent/CN104859677A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1802662B2 (en) * | 1968-10-11 | 1978-03-30 | Vsesojuznyj Ordena Trudovogo Krasnogo Znameni Nautschno-Issledovatelskij Institut Scheleznodoroschnogo Transporta, Moskau | Railway vehicle wheel set axle box - has constantly narrowing roller bearing casing elastic inlay for even radial loading |
| CN201193037Y (en) * | 2008-08-15 | 2009-02-11 | 铁道部运输局 | Rocker type journal box positioning device of high-speed motor train set bogies |
| CA2713585A1 (en) * | 2010-03-08 | 2011-09-08 | Amsted Rail Company, Inc. | Railway car bearing seal |
| CA2732467A1 (en) * | 2010-07-29 | 2012-01-29 | Amsted Rail Company, Inc. | Railway car bearing seal |
| CN201856779U (en) * | 2010-09-26 | 2011-06-08 | 南车青岛四方机车车辆股份有限公司 | Primary resilient positioning device for railway vehicle |
| CN204674607U (en) * | 2015-05-15 | 2015-09-30 | 长春轨道客车股份有限公司 | A kind of motor train unit bogie axle box device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105365840A (en) * | 2015-11-25 | 2016-03-02 | 长春轨道客车股份有限公司 | Intercity electric multiple unit power bogie |
| CN110355593A (en) * | 2019-08-16 | 2019-10-22 | 中车资阳机车有限公司 | A kind of structure of axle box with non-pulling wheel spinning roller function |
| CN110733527A (en) * | 2019-10-15 | 2020-01-31 | 南京金正奇交通设备有限责任公司 | application in bogie axle box of high-speed passenger train, aluminum alloy material and processing technology thereof |
| CN110733527B (en) * | 2019-10-15 | 2021-07-13 | 南京金正奇交通设备有限责任公司 | Bogie axle box applied to high-speed passenger train, aluminum alloy material and processing technology of aluminum alloy material |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150826 |