CN103917428A - Railway bogie assembly, with two-part adapter assembly for hydraulic suspension - Google Patents
Railway bogie assembly, with two-part adapter assembly for hydraulic suspension Download PDFInfo
- Publication number
- CN103917428A CN103917428A CN201180074356.4A CN201180074356A CN103917428A CN 103917428 A CN103917428 A CN 103917428A CN 201180074356 A CN201180074356 A CN 201180074356A CN 103917428 A CN103917428 A CN 103917428A
- Authority
- CN
- China
- Prior art keywords
- adapter
- support
- railway bogie
- joint
- bogie
- 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
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/26—Mounting or securing axle-boxes in vehicle or bogie underframes
- B61F5/30—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes
- B61F5/305—Axle-boxes mounted for movement under spring control in vehicle or bogie underframes incorporating rubber springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A railway bogie (1) comprises a bogie frame (7); a wheelset including wheels (4) mounted on a rotatable axle; at least one axlebox (2) wherein at least one rolling bearing is assembling for supporting the rotating axle; at least one suspension (6) mounted on a link arm (5) of the at least one axlebox (2); and an adapter assembly (8) for installing the bogie frame (7) onto the wheelset. The said adapter assembly (8) comprises two parts, the first part being a first adapter (80) which is fast with the at least one suspension (6) and the second part being a second adapter (100, 200) which is fast with the bogie frame (7), the said two adapter parts (80) and (100) being able to cooperate in order to have the wheelset able to support the bogie frame (7).
Description
Technical field
The present invention relates to railway bogie assembly, it comprises at least one hydraulic suspension and has described hydraulic suspension is assembled to the required adapter assembly of bogie frame.
Background technology
Comprise helical spring railway bogie by the known one of UIC standard.Described coil spring is arranged on integratedly on the bottom of axle box and adopts cap (cap) to be connected to fix integratedly helical spring top with bogie frame.
But, suchly turn to that to be suspended on railway the mobile noise producing large especially.So some European countries forbids that goods train passes through near cities at night.
For the noise that damping produces, US application US2002-0089102A1 discloses a kind of hydraulic suspension, and it comprises barrier film, can be used in guideway vehicle.Patent DE102005004721B4 discloses the bogie truck assembly with such hydraulic spring grease cup.
Such railway bogie assembly comprises:
Wheel set, comprises rotatable shaft, is arranged on wheel and at least one axle box on axle, at least one antifriction-bearing box is installed for supporting this rotatable shaft in axle box;
At least one hydraulic suspension, is arranged on axle box pitman arm;
Bogie frame; And
Bridge-type adapter, is attached to described bogie frame on the one hand and is attached to described at least one hydraulic suspension.
But disclosed bridge-type adapter is not suitable for industry manufacture in WO2005/091698, because it exists two major defects.
First, bridge-type adapter design does not allow bogie frame to be assembled to the axle box of being furnished with hydraulic suspension with easy and actv. assembling process.Must first by bolt, bridge-type adapter be attached to hydraulic suspension, then for example, by attached formed assembly (, by welding) to bogie frame.Do like this and will be difficult to realize accurate assembling.
Secondly, can support axial force such as the anchor fitting of bolt, even but the in the situation that of shearing stress its destruction that may be damaged.
Summary of the invention
A target of the present invention is by providing improved railway bogie assembly to overcome these shortcomings, the railway bogie assembly of this improvement comprises at least one axle box and at least one suspension, makes this railway bogie have the adapter assembly of being convenient to assembling process and having improved assembly rigidity.
According to the present invention, such adapter assembly be characterised in that it comprise first adapter fixing with at least one suspension and with fixing the second adapter of bogie frame, thereby the first and second adapters described in these can cooperate and make wheel set can support bogie frame.
The second adapter comprises at least one support, and this support and the lip-deep assembled plate of the second adapter base are fixed.The upper surface of this at least one support directly and bogie frame is fixed or fix with the elongate articles that is fixed on this bogie frame.
The first adapter comprises joint, and its center from suspension is outstanding.Preferably, this joint has cylindrical shape.
Preferably, the first adapter also comprises the attachment base of disc-shape.This attachment base is provided with lower surface, and the assembling surface limiting on the top of this lower surface and suspension is fixing.This attachment base is also provided with upper surface, and the assembled plate of the second adapter stent is exclusively used in and rests on this upper surface.This joint is vertically outstanding from assembling surface by through hole.
Preferably, this joint and attachment base form unique device.
The assembled plate of the second adapter stent runs through by assembling opening, and the joint of the first adapter inserts by this assembling opening.This assembling opening is circular and has substantially the same diameter with the cylindrical shape of joint, and the height of the cylindrical shape of this joint is substantially equal to or is greater than the thickness of assembled plate.So, in the time that this joint inserts in carrier openings, very close to each other between two fabricated sections, there is no radial motion yet.
According to preferably of the present invention but further aspect not necessarily, such adapter assembly can be in conjunction with one or several following characteristics, only otherwise inconsistent:
The upper surface of the attachment base of the-the first adapter is substantially equal to or is greater than the lower surface of described attachment base.
The upper surface of the attachment base of the-the first adapter is substantially equal to or is greater than the surface of the relevant assembled plate of each the second adapter stent.
The lower surface of the attachment base of the-the first adapter is substantially equal to the assembling surface limiting on the top of each suspension.
-this joint has lower cylindrical portion and has the top of frusto-conical.
-this joint is the extension of the metal center part of suspension.
-this joint is soldered to or is glued to or be fixed to by bolt or any other connecting device the attachment base of suspension and/or the first adapter.
-axle box is furnished with at least two suspensions.The second adapter is included in the first support and second support of each end.Described the first and second supports are linked together by elongate articles.Between described the first and second supports, being provided with any additional body and this additional body and elongate articles fixes.With adopt separate and distinct support compared with, such elongate articles allows to assemble easily and allow to adjust better the location of the second adapter on bogie frame.And, elongate articles distributed force and avoid only having excessive stress on support better.
The-the second adapter has the first support and the second support, and the first support is arranged under the straight bottom of bogie frame, and the second support is arranged under the curved lower of bogie frame.
Between the elongate articles of a support on sidewall, the top around it under the straight bottom that is positioned at bogie frame of the-the second adapter and the assembled plate on downside, limit cavity, this cavity is to make the lower surface being covered by assembled plate strictly be greater than the upper surface being covered by elongate articles.
A support under the straight bottom that is positioned at bogie frame of the-the second adapter is provided with transverse wall and back-end support surface, and this transverse wall covers three faces and the two is all rectangular with the straight end of assembled plate and elongate articles.Preferably, back-end support surface is covered by flat sidewall, and this flat sidewall tilts, and forms obtuse angle with elongate articles, forms acute angle with assembled plate.According to another feature, back-end support surface is groove.Compared with standard round pillar support, the advantage of such support Design is the length limited of elongated board, therefore needs little material, but can not reduce the rigidity of support.
A support under the inclination bottom that is positioned at bogie frame of the-the second adapter is provided with leg, and the assembled plate on sloping portion and the downside of the elongate articles on this leg and top limits cavity.Preferably, this support is provided with lip-deep upper opening thereon.Preferably, this support is provided with thereon the upper groove that forms wide upper opening in surface, and this elongate articles is directly attached to the leg of support and does not cover the cavity of support.Therefore, the top of this joint can be assemblied in the thickness of elongate articles, and this makes to obtain the optimization of necessary free space and the minimizing of necessary quantity of material.
-support is retained to elongate articles and/or bogie frame rigidly by rigid mount.
All part weld togethers of the-the second adapter.
-whole the second adapter is molded.
The-the second adapter is preferably soldered to bogie frame by elongate articles.
-railway bogie assembly comprises (one or more) hydraulic suspension.
Any one aspect according to the present invention in each side, assembling process means step below:
First, the wheel set that comprises axle, wheel, axle box and suspension is all installed together;
The first adapter is passed through, and the bolt for example inserting in the hole, fixes with suspension;
The second adapter is passed through, and for example welding, fixes with bogie frame;
The joint of each the first adapter is inserted in relevant bracket assembled opening simultaneously.
According to further embodiment, the present invention relates to be arranged on the passenger train on railway bogie.Passenger train can directly support to allow passenger train to move in orbit by bogie frame.And, in order to support passenger train, in its each end, two railway bogies can be installed.
An advantage of such assembly is not need bolt or clamp device, via suspension, bogie frame is retained to wheel set.Therefore obtained good anti-shearing stress.Only guaranteed the maintenance of assembly by the adjusting of the weight of bogie frame and the assembling opening of the second adapter stent and joint.It also makes to be easy to mobile.
Because the top of joint is cone shape, so do not need point-device location that the bogie frame relevant to the second adapter is positioned to wheel set top.In fact,, even without ideally completing location, joint also can enter the assembling opening of the second adapter and slide to have perfect location along the slope of upper cone part.
Accompanying drawing explanation
With reference to appended indefiniteness accompanying drawing, further advantage of the present invention, feature and details are described, wherein:
Fig. 1 is the lateral plan of railway bogie;
Fig. 2 is according to the transparent view of the left part of the railway bogie assembly of the first embodiment;
Fig. 3 according to the first embodiment, be arranged on the longitudinal cross-section of the adapter on the axle box with hydraulic spring grease cup;
Fig. 4 is the transparent view of the first adapter;
Fig. 5 A to 5E be respectively according to the master of the second adapter of an embodiment depending on, overlook, look up, the right side looks and left view;
Fig. 6 is according to the transparent view of the left part of the railway bogie assembly of another embodiment; And
Fig. 7 according to another embodiment, be arranged on the longitudinal cross-section of the adapter on the axle box with hydraulic spring grease cup.
The specific embodiment
Fig. 1 and 2 shows the schematic diagram of the railway bogie assembly 1 of so-called Y25 type.Railway bogie 1 comprises two axle boxes 2, and their housing 3 is sealed at least one antifriction-bearing box (not shown) thus, has an axis X-X for supporting ' each end of rotatable shaft (not shown).Every pair of wheel 4 is fixed to a rotatable shaft.Because left and right axle box assembly is identical, so describing, accompanying drawing below will the left side of railway bogie only be described.
Each axle box 2 extends to left side and right side by two pitman arms 5, and hydraulic suspension 6 is arranged on each described pitman arm 5.That one of announcing in the attached WO2005/091698 of being not limited between the relative hydraulic suspension 6 of each pitman arm 5, but can be any other form.Pitman arm 5 and associated suspension 6 thereof are about passing axle box axis X 2 middle parts, perpendicular
1-X
1' symmetry.This vertical axis X
1-X
1' perpendicular to substantially horizontal axis X-X '.
Railway bogie assembly 1 also comprises bogie frame 7 and adapter assembly as shown in Figure 38, and Fig. 3 discloses the longitudinal cross-section of adapter assembly, and this tangent plane is according to the plane being limited by the rotatable axis of symmetry of two hydraulic suspensions 6 and orientation thus.
Bogie frame 7 is arranged on axle box via hydraulic suspension 6 and adapter assembly 8, and wherein the first adapter 80 is fixed to each suspension, and the second adapter 100 is fixed to bogie frame 7 integratedly.
According to Fig. 2 to 4, the first adapter 80 comprises the attachment base 81 with disc-shape, and its upper surface 83 is greater than lower surface 82.
And lower surface 82 equals the assembling surface 9 on the top of each hydraulic suspension 6.
The attachment base 81 of the first adapter 80 has upper surface 83, and it is exclusively used in one of support 101,102 with the second adapter 100 and contacts.Described upper surface 83 is greater than the surface of the relevant assembled plate 103,104 of each support 101,102 of the second adapter 100.
The first adapter 80 comprises joint 84, and its central vertical from upper surface 83 is outstanding.Symmetrical joint axis line parallel is in this vertical axis X
1-X
1'.Joint 84 has lower cylindrical portion 86 and has the top 87 of frusto-conical.
Form with unique device according to the first adapter 80 of Fig. 3 to 7.According to another embodiment of unshowned the first adapter 80 here, joint 84 and attachment base are two parts that separate, and it is installed together in assembling process.
In Fig. 3, hydraulic suspension 6 and the first adapter 80 have hole, for hydraulic suspension 6 and the first adapter 80 being attached together via two bolts 85.
According to Fig. 2,3 and 5A to 5E, the second adapter 100 is included in the first support 101 and second support 102 of each end, and it is linked together by elongate articles 105.Assembled plate 103,104 is fixed with the lower surface of the first support 101 and the second support 102 respectively.
The first support 101 is exclusively used under the horizontal component 115 that is positioned at bogie frame 7.
First end support 101 comprises and is parallel to this vertical axis X
1-X
1' transverse wall 106.This transverse wall 106 along horizontal plane X
2-X
2' cross-sectional plane there is U-shaped shape.
Sidewall 107 is plane surfaces, fixing with transverse wall 106.The cavity being limited by wall 106,107 defines lower surface S
2with upper surface S
1.Lower surface S
2on downside, covered by assembled plate 103, and upper surface S
1on top, covered by elongate articles 105.
Cavity is for making lower surface S
2strictly be greater than upper surface S
1.So flat sidewall 107 tilts, form obtuse angles beta with elongate articles 105, and form sharp angle α with adapter plate 103.
The second end support 102 of framework adapter 100 is placed under the sloping portion 109 of bogie frame 7.Limit a cavity by the assembled plate 104 on elongate articles 105 and downside on leg 110, top.
Each assembled plate 103,104 is run through by opening 108,111 respectively, and the joint 84 of first adapter 80 in left side inserts by this opening, and described joint is assembled in support cavity.Assembling opening the 108, the 111st, circular, and there is identical diameter with the lower cylindrical portion 86 of joint 84, and the height of the lower cylindrical portion 86 of joint 84 is greater than the thickness of assembled plate 103,104 substantially.
Elongate articles 105 is provided with inclined end portion 118, and it is positioned under the sloping portion 109 of bogie frame.This inclined end portion 118 is provided with the upper opening 112 on the second support 102.Therefore, during manufacture can insertion tool and/or the top with frusto-conical 87 of joint 84 can be assemblied in the thickness of elongate articles.
Two supports 101 and 102 are all retained to elongate articles 105 rigidly by rigid mount 113,114.
Fig. 6 and 7 shows the adapter assembly 10 according to second embodiment of the invention.
The second adapter 200 is also included in the first support 201 and second support 202 of each end, and it is linked together by elongate articles 205.
According to another embodiment of the invention, the first support 201 comprises transverse wall 206, itself and this vertical axis X
1-X
1' parallel.This transverse wall 206 along horizontal plane X
2-X
2' cross-sectional plane there is U-shaped shape.On the left side of transverse wall 206, be provided with groove 207.The cavity being limited by transverse wall 206 and groove 207 is covered by the left end of elongate articles 205 on top, and is covered by assembled plate 203 on downside.This groove 207 has clinoplane shape, and forms obtuse angle with elongate articles 205, forms acute angle with assembled plate 203.
According to a second embodiment of the present invention, the second support 202 of the second adapter 200 is placed under the sloping portion of bogie frame 7.Cavity is limited by the assembled plate 204 on sloping portion and the downside of the bogie frame 7 on leg 210, top.
Elongate articles 205 is directly attached to leg 210 and does not cover support cavity.So upper inclined surface is provided with wide upper opening 212, wherein can hold the top with frusto-conical 87 of joint 84.
Each assembled plate 203,204 is run through by opening 208,211 respectively, and the joint 84 of the first adapter 80 inserts by this opening.Described assembling opening 208,211 has identical characteristic with assembling opening 108,111.
The two is all retained to elongate articles 205 rigidly by rigid mount 213,214 support 201 and 202.
According to another aspect of the present invention, passenger train (not shown) is arranged on railway bogie 1, and is directly supported to allow this passenger train to move in orbit by bogie frame 7.And, can two railway bogies 1 be installed to support in each end of passenger train.
According to any one in two embodiment, fitting process means step below:
A) wheel set that comprises axle, wheel 4, axle box 2 and hydraulic suspension 6 is all installed together;
B) the first adapter 80 is fixed with hydraulic suspension 6 by the bolt 85 being for example inserted in hole 84;
C) the second adapter 100 or 200 is fixing with bogie frame 7 by for example welding, and the second adapter 100,200 and axle box 2 are as many;
D) joint of each the first adapter 80 84 is inserted in simultaneously in relevant carrier openings 108,111, the top with frusto-conical 87 of joint 84 is beneficial to this step.
Claims (18)
1. a railway bogie (1), comprising:
Bogie frame (7);
Wheel set, comprises the wheel (4) being arranged on rotatable shaft;
At least one axle box (2), wherein assembles at least one antifriction-bearing box in order to support this rotatable shaft;
At least one suspension (6), is arranged on the pitman arm (5) of described at least one axle box (2); And
Adapter assembly (8);
It is characterized in that, the second adapter (100,200) that described adapter assembly (8) comprises first adapter (80) fixing with this at least one suspension (6) and fixes with this bogie frame (7), described the first and second adapters (80; 100,200) thus can cooperate and make this wheel set can support this bogie frame (7).
2. railway bogie according to claim 1, it is characterized in that, this first adapter (80) comprises the attachment base (81) of the disc-shape of have upper surface (83) and lower surface (82), and this upper surface (83) is substantially equal to or is greater than this lower surface (82).
3. railway bogie according to claim 2, is characterized in that, this lower surface (82) of attachment base (81) is substantially equal to the assembling surface (9) on the top of each suspension (6).
4. according to the railway bogie described in any one in aforementioned claim, it is characterized in that, this first adapter (80) comprises joint (84).
5. railway bogie according to claim 4, is characterized in that, this joint (84) is vertically outstanding from this upper surface (83) of the attachment base (81) of this first adapter (80).
6. railway bogie according to claim 5, is characterized in that, comprises that this first adapter (80) of this joint (84) and this attachment base (81) forms a unique device.
7. railway bogie according to claim 5, is characterized in that, this first adapter (80) comprises that it is installed together in assembling process as this joint (84) of the parts that separate and this attachment base (81).
8. according to the railway bogie described in any one in claim 4 to 7, it is characterized in that, this joint (84) has lower cylindrical portion (86) and has the top (87) of frusto-conical.
9. according to the railway bogie described in any one in claim 4 to 8, it is characterized in that, this joint (84) is the extension of the metal center part of this suspension (6).
10. according to the railway bogie described in any one in aforementioned claim, it is characterized in that, this suspension (6) is provided with the hole in mounting surface (9), and this first adapter (80) is provided with the hole in this attachment base (81), for jointly connect suspension (6) and the first adapter (80) via bolt (85).
11. according to the railway bogie described in any one in aforementioned claim, it is characterized in that, this second adapter (100,200) comprises at least one support (101,102,201,202), wherein assembled plate (103,104,203,204) is fixed with the lower surface of described at least one support, and described assembled plate (103,104,203,204) is provided with assembling opening (108,111,208,211) and is exclusively used on this upper surface (83) that rests on first adapter (80).
12. railway bogies according to claim 9, it is characterized in that, this at least one axle box (2) comprises at least two suspensions (6), and this second adapter (100,200) is included in the first support (101,201) and second support (102,202) of each end, and it is linked together by elongate articles (105,205); At described the first and second supports (101,201; 102,202) between, optionally place any additional body.
13. according to the railway bogie described in claim 9 or 10, it is characterized in that, each support of this second adapter (100,200) be limited with by cradle wall around cavity, this joint (84) of this first adapter (80) can be assemblied in this cavity.
14. according to the railway bogie described in any one in claim 9 to 11, it is characterized in that, each assembling opening (108,111,208,211) of this assembled plate (103,104,203,204) is circular, and has identical diameter with the lower cylindrical portion (86) of this joint (84).
15. according to the railway bogie described in any one in claim 9 to 12, it is characterized in that, a support (101,102,201,202) of this second adapter (100,200) is provided with upper opening (112,212), and the top of this joint (84) can be assemblied in this upper opening (112,212).
16. according to the railway bogie described in any one in claim 9 to 13, it is characterized in that, this upper surface (83) of this first adapter (80) is substantially equal to or is greater than the surface of the relevant assembled plate (103,104,203,204) of each support (101,102,201,202) of this second adapter (100,200).
17. 1 kinds of passenger trains, comprise that, according at least one railway bogie (1) described in any one in aforementioned claim, described passenger train is arranged on described at least one railway bogie (1).
18. 1 kinds for assembling the method for the railway bogie described in any one according to claim 3-15, it is characterized in that comprising the following steps:
A) this wheel set that comprises this axle, this wheel (4), this axle box (2) and this suspension (6) is all installed together;
B) by fixing to this first adapter (80) and this suspension (6);
C) this second adapter (100,200) and this bogie frame (7) is fixing, and the second adapter (100,200) and axle box (2) are as many;
D) joint (84) of each the first adapter (80) is inserted in the relevant assembling opening (108,111) of the first adapter stent.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/IB2011/002646 WO2013030614A1 (en) | 2011-08-26 | 2011-08-26 | Railway bogie assembly, with two-part adapter assembly for hydraulic suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103917428A true CN103917428A (en) | 2014-07-09 |
Family
ID=45406786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180074356.4A Pending CN103917428A (en) | 2011-08-26 | 2011-08-26 | Railway bogie assembly, with two-part adapter assembly for hydraulic suspension |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2748047A1 (en) |
| CN (1) | CN103917428A (en) |
| WO (1) | WO2013030614A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463389A (en) * | 2016-02-15 | 2018-08-28 | 庞巴迪运输有限公司 | Wheel shaft guidance set with longitudinal hydraulic-mechanic converter and associated drive means |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016222950A1 (en) * | 2016-11-21 | 2018-05-24 | Aktiebolaget Skf | Bogie of a rail freight car |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6474163A (en) * | 1987-09-16 | 1989-03-20 | Hitachi Ltd | Axle box supporter device for rolling stock |
| CN1942356A (en) * | 2004-03-26 | 2007-04-04 | Skf股份公司 | Railway bogie |
| WO2007108782A2 (en) * | 2006-03-22 | 2007-09-27 | Tatravagónka, A.S | Interface connecting primary suspension hydrospring with rail vehicle running gear |
| DE102008042198A1 (en) * | 2008-09-18 | 2010-06-10 | Fiedler, Andreas, Dipl.-Kfm. | Pivoted bogie for rail vehicles, particularly for goods wagon, has shoe brake acting on wheels, where bell crank lever and pressure piece are arranged between rubber cone spring and weighing valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19925634A1 (en) * | 1999-06-04 | 2000-12-14 | Dwa Deutsche Waggonbau Gmbh | Running gear for rail vehicles |
| DE10064769A1 (en) | 2000-12-22 | 2002-08-29 | Contitech Luftfedersyst Gmbh | Hydro spring |
| DE102005004721B4 (en) | 2005-01-10 | 2009-09-24 | Ab Skf | Connection to a bogie of a rail vehicle |
-
2011
- 2011-08-26 WO PCT/IB2011/002646 patent/WO2013030614A1/en active Application Filing
- 2011-08-26 EP EP11801819.1A patent/EP2748047A1/en not_active Withdrawn
- 2011-08-26 CN CN201180074356.4A patent/CN103917428A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6474163A (en) * | 1987-09-16 | 1989-03-20 | Hitachi Ltd | Axle box supporter device for rolling stock |
| CN1942356A (en) * | 2004-03-26 | 2007-04-04 | Skf股份公司 | Railway bogie |
| WO2007108782A2 (en) * | 2006-03-22 | 2007-09-27 | Tatravagónka, A.S | Interface connecting primary suspension hydrospring with rail vehicle running gear |
| DE102008042198A1 (en) * | 2008-09-18 | 2010-06-10 | Fiedler, Andreas, Dipl.-Kfm. | Pivoted bogie for rail vehicles, particularly for goods wagon, has shoe brake acting on wheels, where bell crank lever and pressure piece are arranged between rubber cone spring and weighing valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108463389A (en) * | 2016-02-15 | 2018-08-28 | 庞巴迪运输有限公司 | Wheel shaft guidance set with longitudinal hydraulic-mechanic converter and associated drive means |
| CN108463389B (en) * | 2016-02-15 | 2020-09-25 | 庞巴迪运输有限公司 | Wheel axle guide assembly with longitudinal hydromechanical converter and associated transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2748047A1 (en) | 2014-07-02 |
| WO2013030614A1 (en) | 2013-03-07 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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Application publication date: 20140709 |