CN1261310A - Railway vehicle suspension aligned truck - Google Patents
Railway vehicle suspension aligned truck Download PDFInfo
- Publication number
- CN1261310A CN1261310A CN98806619A CN98806619A CN1261310A CN 1261310 A CN1261310 A CN 1261310A CN 98806619 A CN98806619 A CN 98806619A CN 98806619 A CN98806619 A CN 98806619A CN 1261310 A CN1261310 A CN 1261310A
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- CN
- China
- Prior art keywords
- bolster
- side frame
- bogie side
- pull bar
- structural walls
- 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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- 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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/06—Bolster supports or mountings incorporating metal springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A railway vehicle truck assembly includes wheel sets (12) having longitudinally spaced, transversely extending axles (18), and wheels (14, 16) mounted to the axles, transversely spaced longitudinally extending side frames (22, 24) mounted to the axles (18), and a transversely extending bolster (34) mounted to the side frames (22, 24). The bolster (34) has a center bowl (36) and opposed, elongated bolster arms (38, 40) extending from the center bowl (36). The bolster arms (38, 40) each form spaced structural walls, a first of the structural walls of the bolster arms (38, 40) having a bolster anchor fitting defined thereon, and a second of the structural walls having a bolster anchor opening defined therethrough. The structural walls further define an inner cavity between the walls, and bolster anchors (58, 60) connect the side frames (22, 24) to the bolster (34).
Description
The present invention relates to a kind of railway vehicle, particularly railway vehicle suspension.
Railway vehicle generally includes the body that is positioned at the bogie truck top that is also referred to as suspension gear.Bogie truck generally includes the wheel on the axle, the bogie side frame on the axle and be positioned at truck bolster on the bogie side frame.As what often seen on american railway, the wheel sum of a single bogie truck is four, and the bogie side frame number of a bogie truck is two, and the truck bolster number is one, and the bogie truck number of each car body is two, is positioned at the two ends of rail vehicle.The bogie side frame of bogie truck aligns with rail, and is usually located at the rail top.Each bolster is transverse to bogie side frame and rail.One centerpiece is positioned at the top and generally as the part of each bolster, a center plate is fitted in each centerpiece.Center plate is fitted on the car body, and the pivoting action between car body and bogie truck occurs between center plate and the centerpiece.When goods service, truck bolster forms independently with respect to bogie truck, and the vertical movement between car body and the track occurs between truck bolster and the truck side frame.Each spring buffer vertical movement between bolster and bogie side frame.
Above-mentioned traditional freight transportation railway bogie of car has been created effectively and the long record of dependable service as railway vehicle suspension.Simultaneously, the sizable power born of operation of freight transportation and load variety of issue that conventional bogie has been caused considerable wear and caused thus.The mis-aligned that main source of worn-down is a roller bearing adapter stabilizer bar.When wheel passes through warp rail, the outer rail of bend is longer than the interior rail of bend inherently, roller bearing adapter stabilizer bar tends to the mis-aligned that becomes, and each parts of bogie truck meet with stresses, because outer wheel (wheel on the bend outer rail) lags behind interior wheel (wheel in the bend on the rail).Traditional roller bearing adapter stabilizer bar inclines and keeps aiming at or being in the tram by means of each bolster shelves of bolster and bogie side frame spare joint and the plain bearing on each.Along with roller bearing adapter stabilizer bar is aging, these component wears, the conformability of the aligning of each parts of bogie truck reduces.Repeatedly be in the mis-aligned state by the bend trailing truck with long distance.So, each axletree mis-aligned, and the flange of each wheel bears accelerated wear test.Each bolster shelves is further wearing and tearing also.Centerpiece is out of shape under stress, tends to become ellipse.When centerpiece is out of shape, may produce horizontal motion between each parts.More wearing and tearing take place in the relevant surfaces of nearly all parts.
In order to address these problems, (General Steel Industries, Inc.) the national aligned truck of Sheng Chaning (Commonwealth Aligned truck) is in the place in operation sixties by general steel and iron industry company.This bogie truck is included in the bogie side frame outside and is fixed on pull bar between bogie side frame and the truck bolster, and the other bogie side frame that is positioned at is inboard and be positioned at the pull bar of bolster top board top.Though national aligned truck is actv. in theory, in fact this bogie truck is unusable.Casting when partly, automatic molding equipment is used for a large amount of rail truck parts at present.The design of country's aligned truck is not a standard, and absonant with the use of current automatic molding equipment.
It is normally acceptable in the U.S. that its groove wearing and tearing (trough wear) allow railcar body to make traditional shipping rail truck of significantly motion, is a major consideration aspect the freight rail operation because reduce equipment cost in the U.S. always.Though the High Performance bogie truck can maybe cannot obtain, conventional bogie is used.A result of these bogie trucks is that the product and the capacity weight impassabitity railway that can be damaged by the motion that conventional bogie allowed transport reliably.Need complicated loading shock absorber always.In addition, train speed is restricted with its infringement that causes because of the motion of restriction rail vehicle.
The objective of the invention is to improve roller bearing adapter stabilizer bar so that such rail vehicle to be provided, it is than being suitable for more responsive capacity weight in the past, move more steady, " bending " more, that is to say that they more easily adapt to the curved section of track, be suitable for the higher speed of a motor vehicle, however but very economical and use current production devices.
In conjunction with the drawings the preferred embodiments of the present invention are described, these and other purposes of the present invention, advantage and feature will be more obvious.Yet summarize to get up, and in one aspect, the invention provides a kind of configuration in railroad truck assembly, partly comprise following: each wheels with axle of longitudinally-spaced horizontal expansion, be installed on each wheel on the described axle, be installed on each bogie side frame of the spaced longitudinal extension on the described axle, one is installed on the bolster of the horizontal expansion on described each bogie side frame, and each bolster pull bar of unique location.Truck bolster has a centerpiece and from the extended relative microscler bolster arm of described centerpiece.Each bolster arm is formed with each spaced structural sidewall, is formed with the equipped portion of a bolster pull bar on first in each sidewall of bolster arm, and second in each structural walls is formed with a bolster tie rod hole that runs through wherein.Described each structural walls also limits an inner chamber betwixt, and the bolster pull bar is connected in bolster with each bogie side frame.Between each bogie side frame, they are fastened at the equipped portion on the bolster arm sidewall in the horizontal for they, and they pass the inner chamber and the bolster tie rod hole of bolster and stretch to the support that is installed on truck side frame subsequently from described equipped portion.
Adopt above-mentioned a bogie truck, bolster and each pull bar, being achieved of projects of this aspect.Legacy equipment is used to cast each parts of bogie truck, and bogie truck is very economical, and the bolster pull bar has improved the aligning and the performance of each bogie truck greatly.The bogie truck operation significantly steadily, and is crooked smooth and easy, is suitable for higher train speed, and the rail vehicle that is suitable for more responsive capacity weight is provided.As an example, the load carrying vehicle of the Amtrak train that the bogie truck expection is used to include at a high speed, motion sensitive is stronger.
Embodiment with reference to the accompanying drawings describes the present invention in detail, and wherein identical Reference numeral is represented identical parts, wherein:
Fig. 1 is the planar view of shipping rail truck of the present invention;
Fig. 2 is the side elevation view of Fig. 1 bogie truck;
Fig. 3 is first cutaway view by the bogie truck of its cross central line;
Fig. 4 is second cutaway view of bogie truck, specifically the longitudinal sectional view that passes through bolster that intercepts along the 4-4 line among Fig. 1; And
Fig. 5 is the detail drawing of bolster pull bar of the present invention, and the right-hand part of pull bar is represented to show interior details with section-drawing.
Referring to Fig. 1, a preferred form of the shipping rail truck of promptly seeing from above with plan representation of the present invention is with 10 expressions.Typically, bogie truck or basic similarly bogie truck series connection identical with another used, and is used in the railroad track upper support and transports one or more shipping rail vehicle.Comparatively traditionally, two bogie trucks support a rail vehicle, and not so not traditionally, bogie truck is shared by the adjacent orbit car.
For place mat and location, the direction that extends in parallel of typical orbit is defined as vertically.The direction that the track each interval comes is defined as laterally.In use, bogie truck 10 is installed in orbit, as shown in Figure 2.No matter whether be in running condition, for convenience of description, bogie truck vertically along Fig. 1 line of centers 11, and with above-mentioned vertically or the direction of the track under the bogie truck running condition identical.Along cross central line 13 laterally also is similar.
Bogie truck 10 comprises each wheels 12, and it includes the railway wheel 14,16 that has flange, each other along spaced and 18 connected by the axle of a horizontal expansion.As tradition, described bogie truck 10 comprises two groups of longitudinally-spaced wheels 12.In use, wheel 14,16 track of path of underliing of postponing, and partly the right whole inward flange 20 of green phase keeps horizontal relationship with respect to track.Wheel and axle are cast with steel respectively and are linked together.
Spaced bogie side frame 22,24 is supported on the wheels 12.Bogie side frame 22,24 longitudinally becomes elongated shape, and referring to Fig. 2, wherein bogie side frame 24 illustrates as an example, and bogie side frame 22,24 limits the longitudinally-spaced drawing strickle guide mouth 26,28 under shed along bayonet socket line of centers 27,29. Axle box 30,32 is installed in the bayonet socket 26,28, and the neck of the equipped axle 18 of each axle box rotation.Each wheels 12 and each bogie side frame 22,24 are installed together by axle box 30,32.Thereby bayonet socket line of centers 27,29 is the line of centers of wheel 14,16 and axle 18 normally also.
Referring to Fig. 1,2 and 3, the bolster 34 of horizontal expansion extends between the bogie side frame 22,24 and passes bogie side frame.Bolster comprises a centerpiece 36, and it is aligned on the line of centers 11,13 of bogie truck 10.Two opposed microscler bolster arms 38,40 laterally stretch out below centerpiece 36. Arm 38,40 and bolster 34 integral body are made of a top board that is also referred to as casting die or part 42, the base plate that is also referred to as tensioning member or part 44 and two rising structures or side arm 46,48.As shown in Figure 4, part 42,44 and side arm 46,48 constitute a rectangle on the bench section of arbitrary arm 38,40. Bolster arm 38,40 protruding length make that in use bolster arm 38,40 extends through the bolster arm aperture 50 on the bogie side frame 22,24.Bolster 34 is installed on each coil spring 51, and each coil spring also is installed in the bolster arm aperture and is supported on the bogie side frame 22,24.See Fig. 2,3 and 4, be formed on bolster arm 38,40 and the bogie side frame 22,24, be used for the installation of spring such as the spring seat stand of exemplary boss 52 and 54 etc.Bolster shelves 56 guiding and control bolster 34 under the effect of spring and rail vehicle weight and capacity weight with respect to bogie side frame 22,24 vertical movements.
For the aligning beyond the aligning that provided by each bolster shelves 56 and bearing is provided, both interconnect bogie side frame 22,24 and bolster 34 interior and outer bolster pull bar 58,60.An interior bolster pull bar 58 and an outer bolster pull bar 60 interconnect each bogie side frame and bolster, as shown in Figure 1.
Referring to Fig. 5, each bolster pull bar 58,60 formation one comprises the assembly of a microscler central tie-rod 62.Preferably, tie-rod 62 is A.I.S.I.4140 steel, and heat-treats according to A.S.T.M. explanation A193-B7.The end of tie-rod 62 is formed with screw thread.One elongated ring-type distance piece 64 is sleeved on the middle part of tie-rod 62.The distance piece outside, a pull bar buffer sublayer assembly 65 are positioned at each end of tie-rod 62.In sub-assembly 65, a rubber pad 66 is roughly sphere, has an annular or cast gap 63 between hemisphere 67,69.Pad 66 slides on the tie-rod by a flush fit tie-rod conduit (channel) 71.
Cup shell 68 and outer cup shell 70 fixing or cover button pads 66 in one.Cup shell 68,70 also slides on the tie-rod by each tie-rod conduit (not shown).Relative interior cup shell 68 butt distance pieces 64 also can be provided with adjusting disk 72 therebetween.
Fill up cup shell 68 in 66 butts, outer cup shell 70 butt pads 66, and sub-assembly and total assembly be by fluted nut 74 and the spring cotter 76 of spinning in tie-rod 62 ends, and possible adjusting disk 72, matched together.
Referring to Fig. 1 and Fig. 2, outer bolster pull bar 60 is installed between bolster 34 and the bogie side frame 22,24 in the bogie side frame outside.One first horizontal overhanging outer bolster pulling-rod frame 78 is installed on the outer end of each bolster arm 38,40.One second horizontal overhanging outer bolster pulling-rod frame 80 is installed on the outside of bogie side frame.Outer bolster pull bar 60 is installed on each frame 78,80.Referring to Fig. 5, the plate 82 of each frame 78,80 stretches in rubber pad 66 gaps 63 of pull bar 60.That is, pull bar 60 in each frame 78,80 mounting means be, rubber pad 66 is fitted to frame plate 82, make plate 82 place gap 63, and respectively fill up the both sides that 66 hemisphere 67,69 is positioned at plate 82.Outer bolster pull bar 60 suitably is assembled between the frame 78,80.
Referring to Fig. 1,3 and 4, interior bolster pull bar 58 is installed between bolster 34 and the bogie side frame 22,24 in the bogie side frame inner face.The one interior bolster pulling-rod frame of stretching in laterally 84 is installed on the inboard of each bogie side frame 22,24.Contrast with outside link 60, draw-in bar 58 extends through bolster 34 from frame 84 and arrives at the opposing sidewalls 48 of bolster 34.
Referring to Fig. 3 and 4, when bolster 34 moved with respect to bogie side frame 22,24, the bound of the described head part 42 of bolster 34 and the motion of end part 44 defined the moving region of bolster 34 during use.The sidewall 48 of bolster 34 is in the moving region (" bolster moving region ") of bolster, and more specifically says in the open region (" bolster chamber ") between bolster head part and end part 42,44 and comprise equipped portion of bolster pull bar or equipped seat 86.The sidewall 46 of bolster 34 is formed with the bolster tie rod hole 88 relative with the equipped portion of bolster pull bar 86 on the sidewall 48.Hole 88 vertical sizes are determined to such an extent that adapt to draw-in bar 58 in use with respect to the vertical pivot that is equipped with portion 86.With regard to laterally, both are positioned at bolster side supporting seat 90 inboards and bolster head part lightening hole (lightener opening) 92 outsides along tie rod arm 38,40 equipped portion 86 and hole 88, as shown in figs. 1 and 3.
Like this, draw-in bar 58 extends through bolster chamber between bolster tie rod hole 88, bolster head part and the end part 42,44 on the adjacent or contiguous bolster sidewall 46 from the internal frame 84 on the bogie side frame 22,24, and, extend to the equipped portion 86 of bolster pull bar on the distally bolster sidewall 48 in the bolster moving region.Referring to Fig. 4, the plate 82 of frame 84 stretches in the gap 63 of rubber pad 66 of each pull bar 60, and equipped portion 86 stretches in the gap 63 of relative rubber pad 66.As outside link 60, the mounting means of draw-in bar 58 in frame 84 and equipped portion 86 is, rubber pad 66 is fitted to frame plate 82 and equipped portion 86, makes plate 82 and equipped portion 86 place gap 63, and respectively fill up the both sides that 66 hemisphere 67,69 is positioned at plate 82 and equipped portion 86.Interior bolster pull bar 58 suitably is assembled between frame 84 and the equipped portion 86.
As provide and stack-mounted, particularly be configured as mentioned above and locate at pull bar 58, extend through in the bolster moving region under the situation in each bolster tie rod hole and bolster chamber, pull bar 58,60 is with a kind of economy and provide high performance structural with unique mode calibration (align) described shipping rail truck.Objects and advantages of the present invention are achieved.When the warp rail, each bolster provides a kind of calibration and restoring force subsequently to calibrate quite in good condition and aligned truck more as required at described bogie truck.At assembly process, adjusting disk 72 provides a kind of means of accurate aligned truck, and no matter whether has tolerance variation.And the bolster shelves can be adjusted between moulding and used life avoiding and contact with bolster, and exempt bolster shelves interlock and wearing and tearing.The selection of the rubber of each pull bar pad, with effectively transmit between railcar body and the bogie truck acceleration/accel and braking force, simultaneously not to bolster the vertical and sideway movement on spring 51 to constitute what obstruction be criterion.Sideway movement is adapted to by the block on the bogie side frame and can be limited by the block on the bogie side frame.Wear-out life and total component life are prolonged.
The vertical choice of location of each pulling-rod frame and equipped portion becomes, and makes to use and relevant rail vehicle generally loads and when being positioned on the level line, each pull bar substantial horizontal aligning when bogie truck.As shown in Figure 4, for this purpose, the equipped portion 86 of pull bar is towards the top of sidewall 86.Equally as shown in Figure 4, the rail vehicle that bogie truck top has had, and each draw-in bar is owing to lack load and be inclined upwardly towards equipped portion 86.As shown in Figure 2, each outside link frame 78,80 is relative to each other with the same manner configuration, thereby in the horizontal location of loading duration generation outside link 60, and as shown, each outside link is inclined upwardly towards the first bolster pulling-rod frame 78.
Because bolster tie rod hole 88 if necessary, is strengthened the bolster interior ribs.Except above-mentioned, have the bolster of bogie truck of the present invention and traditional basic identical.Each side arm also is like this.Not being connected between railcar body and the bogie truck changes.Railcar body does not change.All parts can adopt automatic molding equipment to cast substantially as before.Like this, minimized with respect to the variation of traditional roller bearing adapter stabilizer bar and rail vehicle, advantage of the present invention is achieved simultaneously.Traditional equipment can be used to cast each parts of bogie truck, and bogie truck is quite economical, and the bolster pull bar has improved the calibration and the performance of bogie truck greatly.Bogie truck turns round significantly steadily, turns round more smooth and easy, is suitable for the higher speed of listing, and the rail vehicle that is suitable for more responsive capacity weight is provided.
The insider it should be understood that under the prerequisite that does not deviate from spirit and scope of the invention, can make amendment and retouches the preferred embodiments of the present invention.For example, can be cast as a monomer steel part or be assembled into a steel welding part or other such as parts such as bolster.Except pointed, all described parts are made by steel or equivalent material usually.
Claims (14)
1. configuration in railroad truck assembly, the axle that comprises at least two longitudinally-spaced horizontal expansions, be installed on each wheel on the described axle, be installed on each bogie side frame of the spaced longitudinal extension on the described axle, one is installed on the bolster of the horizontal expansion on described each bogie side frame, described bolster has each structural walls, limit an inner chamber between described each wall, and at least one is connected in the bolster pull bar of bolster with at least one bogie side frame, and described at least one bolster pull bar is in the horizontal between each bogie side frame and extend through the inner chamber of described bolster at least in part.
2. configuration in railroad truck assembly according to claim 1, it is characterized in that, comprise that also at least two are connected in the bolster pull bar of bolster with each bogie side frame, these at least two bolster pull bars are in the horizontal all between each bogie side frame, and the both extends through the inner chamber of described bolster at least in part.
3. configuration in railroad truck assembly according to claim 1 and 2 is characterized in that, described at least one bolster pull bar comprises a tie-rod and tie-rod is fixed on fastener between described at least one bogie side frame and the bolster.
4. according to claim 2 configuration in railroad truck assembly, it is characterized in that described at least two bolster pull bars include tie-rod and tie-rod is fixed on fastener between described bogie side frame and the bolster.
5. configuration in railroad truck assembly according to claim 3 is characterized in that, described tie-rod is fixed between the structural walls of described bogie side frame and bolster.
6. configuration in railroad truck assembly according to claim 4 is characterized in that, described each tie-rod is fixed between each relative structural walls of described each bogie side frame and bolster.
7. configuration in railroad truck assembly, the bogie side frame that comprises two spaced longitudinal extensions, be installed on the bolster of the horizontal expansion on described each bogie side frame, described bolster has each structural walls, limit an inner chamber between described each wall, and at least one is connected in the bolster pull bar of bolster with at least one bogie side frame, and described at least one bolster pull bar is in the horizontal between each bogie side frame and extend through the inner chamber of described bolster at least in part.
8. configuration in railroad truck bolster, comprise a centerpiece and from the extended relative microscler bolster arm of described centerpiece, each bolster arm forms each spaced structural walls, be formed with the equipped portion of a bolster pull bar in each structural walls of each bolster arm first, and in each structural walls of each bolster arm second is formed with a bolster tie rod hole that runs through wherein.
9. configuration in railroad truck bolster according to claim 8, it is characterized in that, described second that is formed with in each structural walls of described each the bolster arm that runs through bolster tie rod hole wherein also is defined as the bolster tie rod hole one vertical slotted hole, is used for the bolster pull bar in the unobstructive motion in respect to each position range of second structural walls of described second structural walls.
10. configuration in railroad truck bolster according to claim 8 is characterized in that, the equipped portion of described bolster pull bar comprises a pad, be used for the bolster pull bar fastening its.
11. configuration in railroad truck bolster according to claim 8 is characterized in that, described bolster also comprises a top board and a base plate that engages described each structural walls.
12. configuration in railroad truck assembly, the axle that comprises at least two longitudinally-spaced horizontal expansions, be installed on each wheel on the described axle, be installed on each bogie side frame of the spaced longitudinal extension on the described axle, one is installed on the bolster of the horizontal expansion on described each bogie side frame, described bolster has a centerpiece and from the extended relative microscler bolster arm of described centerpiece, each bolster arm is formed with each spaced structural walls, be formed with the equipped portion of a bolster pull bar in each structural walls of at least one bolster arm first, and in each structural walls of at least one bolster arm second is formed with a bolster tie rod hole that runs through wherein, described each structural walls also limits an inner chamber betwixt, and at least one is connected at least one bogie side frame on the bolster pull bar of bolster, described at least one bolster pull bar is in the horizontal between each bogie side frame, and described at least one bolster pull bar also stretches to described equipped portion and extends through the inner chamber of described bolster at least in part and stretch to described at least one bogie side frame.
13. configuration in railroad truck assembly according to claim 12 is characterized in that, bolster limits a bolster motor area, and described equipped portion is positioned at described bolster motor area.
14. configuration in railroad truck assembly according to claim 12 is characterized in that, the equipped portion of described bolster position is near described bolster chamber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/858,672 | 1997-05-19 | ||
| US08/858,672 US5992330A (en) | 1997-05-19 | 1997-05-19 | Railway vehicle suspension aligned truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1261310A true CN1261310A (en) | 2000-07-26 |
Family
ID=25328871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98806619A Pending CN1261310A (en) | 1997-05-19 | 1998-05-14 | Railway vehicle suspension aligned truck |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1261310A (en) |
| AU (1) | AU728673B2 (en) |
| CA (1) | CA2290525A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298575C (en) * | 2001-03-21 | 2007-02-07 | 梅里迪安铁路信息系统公司 | Bogie for railway stock |
| CN100455466C (en) * | 2003-08-21 | 2009-01-28 | J-琳恩公司 | Railroad freight car truck suspension yaw stabilizer, and corresponding method |
| CN100588578C (en) * | 2006-07-31 | 2010-02-10 | 南车青岛四方机车车辆股份有限公司 | Centre pin type guiding compelling radial direction mechanism |
| CN115465314A (en) * | 2022-09-26 | 2022-12-13 | 中车长春轨道客车股份有限公司 | Low-floor tramcar bogie |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5609109A (en) * | 1994-07-05 | 1997-03-11 | Standard Research And Design Corporation | Frame brace integral cross brace support bracket |
| US5632208A (en) * | 1995-11-13 | 1997-05-27 | National Castings Incorporated | Multi-axle railroad car truck |
| US5647283A (en) * | 1996-02-09 | 1997-07-15 | Hansen Inc. | Railway truck and steering apparatus therefor |
-
1998
- 1998-05-14 CN CN98806619A patent/CN1261310A/en active Pending
- 1998-05-14 CA CA002290525A patent/CA2290525A1/en not_active Abandoned
- 1998-05-14 AU AU74905/98A patent/AU728673B2/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1298575C (en) * | 2001-03-21 | 2007-02-07 | 梅里迪安铁路信息系统公司 | Bogie for railway stock |
| CN100455466C (en) * | 2003-08-21 | 2009-01-28 | J-琳恩公司 | Railroad freight car truck suspension yaw stabilizer, and corresponding method |
| CN100588578C (en) * | 2006-07-31 | 2010-02-10 | 南车青岛四方机车车辆股份有限公司 | Centre pin type guiding compelling radial direction mechanism |
| CN115465314A (en) * | 2022-09-26 | 2022-12-13 | 中车长春轨道客车股份有限公司 | Low-floor tramcar bogie |
| CN115465314B (en) * | 2022-09-26 | 2024-04-30 | 中车长春轨道客车股份有限公司 | Low-floor tramcar bogie |
Also Published As
| Publication number | Publication date |
|---|---|
| AU7490598A (en) | 1998-12-11 |
| CA2290525A1 (en) | 1998-11-26 |
| AU728673B2 (en) | 2001-01-18 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |