EP1317368A1 - Pendelstütze zur abstützung eines wagenkastens an einem drehgestell - Google Patents
Pendelstütze zur abstützung eines wagenkastens an einem drehgestellInfo
- Publication number
- EP1317368A1 EP1317368A1 EP01969639A EP01969639A EP1317368A1 EP 1317368 A1 EP1317368 A1 EP 1317368A1 EP 01969639 A EP01969639 A EP 01969639A EP 01969639 A EP01969639 A EP 01969639A EP 1317368 A1 EP1317368 A1 EP 1317368A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support part
- frame
- support
- central axis
- rolling
- 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.)
- Granted
Links
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
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/14—Side bearings
-
- 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
Definitions
- Pendulum support for supporting a car body on a bogie
- the invention relates to a pendulum support, which is provided for supporting a car body on a bogie, in particular on a bogie of a rail-bound vehicle, and which has the features from the preamble of claim 1.
- Such a pendulum support is known from DE 198 42 145 A1 (see exemplary embodiment according to FIG. 5) and comprises an upper frame-like support part and a lower frame-like support part and a central support part.
- the shape of the two frame-like support parts is different from one another.
- One frame-like support part engages axially as the inner support part in the direction of a central axis in the other, outer support part.
- the upper and the lower support part can each extend axially beyond a horizontal central plane of the pendulum support and can thereby be made particularly dimensionally stable.
- the middle support part is also designed like a frame, but, as is also shown in DE 198 42 145 A1, can optionally consist of two individual support parts arranged opposite one another with respect to the central axis.
- Both frame-like support parts each have mutually opposite first rolling surfaces for rolling on counter surfaces of a non-pivoting first or second support part and, offset by 90 degrees, second rolling surfaces for rolling on counter surfaces of the central support part.
- the invention has for its object to develop a pendulum support with the features from the preamble of claim 1 so that the shape stability is still improved with limited size.
- This object is achieved in that a pendulum support with the features from the preamble is additionally equipped with the features from the characterizing part of patent claim 1.
- the frame-like support parts are each L-shaped in a section parallel to the central axis and parallel to the surface lines of the first rolling surfaces, with an upright leg running in the direction of the central axis, which axially engages over the upright leg of the other frame-like support part, and with one Legs extending perpendicular to the central axis.
- the first rolling surfaces are essentially in the extension of the upright legs of the frame-like support parts, so that the load due to the weight of the car body is absorbed favorably.
- the lying leg of the outer frame-like support part points inwards towards the central axis and the lying leg of the inner frame-like support part points outwards away from the central axis.
- the pendulum support according to the invention is not large in a direction perpendicular to the central axis.
- the central support part is advantageously formed by two identical individual support files, which are arranged axially between the lying legs of the frame-like support parts and are located in two pockets which are diametrically opposite positions between the upright legs of the central axis with respect to the central axis frame-like support parts are formed.
- the two frame-like support parts are guided to one another by surfaces located on the side of the pockets for the individual support parts of the central support part in the direction of the rolling movement between them and the central support part.
- less tolerances are involved in the guide compared to a guide by contacting the individual support parts both on the inner and on the outer frame-like support part.
- the guidance does not restrict the mobility between the frame-like support parts and the individual support parts of the central support part.
- the surface lines of the rolling surfaces are straight, high stresses can occur in the material on the lateral edges of the rolling parts having the rolling surfaces, since the rolling parts are not the same over their entire width due to tolerances and due to changes in shape of the components of a pendulum support caused by different loads , but more or less always wear on the side edges.
- High material tensions are avoided if, according to claim 9, the surface lines of rolling surfaces are slightly convexly curved.
- the radius of curvature of a surface line can be 500 mm or 800 mm. It is sufficient if of a pair of rolling surfaces only one rolling surface has slightly curved surface lines.
- the surface lines of the other rolling surface can be straight lines.
- the embodiment according to claim 9 is also associated with advantages only in connection with the features from the preamble of claim 1. An embodiment of a pendulum support according to the invention is shown in the drawings. The invention will now be explained in more detail with reference to these drawings.
- FIG. 1 shows a perspective view of the embodiment having an upper, a lower and a middle support part comprising two individual support parts, obliquely on its upper side
- FIG. 2 shows a perspective view of the bare base body of the upper support part from FIG. 1,
- Figure 3 is a perspective view of the bare base of the lower
- FIG. 4 in a simplified representation, a section through the exemplary embodiment in a plane in which the central axis lies
- FIG. 5 in a simplified representation, a section in a plane parallel to the section plane according to FIG. 4,
- FIG. 6 a section along the line Vl-Vl from Figure 4,
- FIG. 7 shows a perspective view of a rolling segment to be fastened to the upper or lower support part
- FIG. 8 shows a perspective view of an individual support part of the central support part which is realized by a roller.
- the pendulum support shown in its entirety in FIGS. 1 and 4 to 6 for supporting a car body on a bogie of a rail-bound vehicle, eg. B of a tram, comprises a piston-cylinder unit 10 and a pendulum device 11. Two such pendulum supports are arranged between a bogie and a car body.
- the piston-cylinder unit 10 comprises a cylinder 12, which is open towards the top of the car body, and a plunger 13, which is guided in the cylinder 12 so as to be pressure-medium-tight, in the direction of the car body from the cylinder 12 protrudes and has an annular groove 14 in its outer end face, which receives a corresponding counterpart of the car body.
- the cylinder 12 has a cylinder head 15, which is the upper support part for the pendulum device 11.
- a central axis 16 of the pendulum support is defined by the axis of the piston-cylinder unit.
- the pendulum device 11 comprises an upper support part 21, a lower support part 22 which interacts with lower support parts 24 which are to be fixedly connected to the bogie, and a central support part 23 which consists of two individual support parts 25 which are located between the upper and the lower part lower support part.
- Two hardened rollers are used as individual support parts, as is shown in perspective in FIG.
- Two flat, hardened rolling plates 28 are attached to the upper support part 15 and a flat, hardened rolling plate 28 is fastened to each of the two lower support parts 24.
- the two upper rolling plates like the two lower rolling plates, are diametrically opposed with respect to the central axis 16, the distance between the two upper rolling plates being smaller than between the two lower rolling plates, and all of the rolling plates 28 having their center in the same axial plane.
- the two support parts 21 and 22 are frame-shaped and surround the cylinder 12 radially at such a distance that the pendulum device 11 can perform the required deflections without being obstructed by the piston-cylinder unit 10.
- the support parts 21 and 22 are designed to be twice symmetrical about an axis which coincides with the central axis 16 in the neutral position of the pendulum device 11.
- the frame shape for the support parts 21 and 22 results from the fact that the connecting piece 21 has a frame-like base body 26 and the support part 22 has a frame-like base body 27. Both base bodies are formed in one piece and have essentially a rectangular shape.
- the base body 27 of the lower support part 22 has a jacket 29 which extends in the direction of the central axis 16 of the pendulum device and to which a flange 30 is formed at the lower end, pointing inwards towards the central axis 16.
- a flange 30 is formed at the lower end, pointing inwards towards the central axis 16.
- pockets 36 By accumulating material 31 on the inside of the jacket 29 from the four corners towards the center of two side walls 27 pockets 36 have been created at two opposite points of the base body, each of which holds a roll 25.
- the depth of a pocket 36 perpendicular to the central axis 16 is equal to the extent of the rollers 25 in the direction of their axis.
- the pockets 36 are closed at the bottom by a base 37 with a flat recess 35, in which a flat, hardened roller plate 38 is fastened, on which a roller 25 stands.
- the height of the pockets 36 in the direction of the central axis 16 from the rolling plate 38 to the upper edge of the casing 29 is slightly less than the diameter of a roller 25.
- the width of the pockets 36 from one material accumulation 31 to the other is by the maximum displacement distance of the two Support parts 21 and 22 larger than the diameter of a roller 25 from the neutral position.
- the rolling surface before being slightly convex and with a constant radius in the direction of the surface lines 47, as shown in FIG. 7, so that particularly high loads on the rolling segment on the side edges 48 are avoided. Rather, regardless of the slight inclination of the rolling plate 28 and rolling segment 45 relative to one another, it is ensured that the rolling parts 28 and 45 each abut one another with the same area within the side edges 48.
- the radius of the curvature of the surface lines 47 of a roller segment 45 is approximately 500 mm.
- the rollers 25 also do not have a completely circular cylindrical rolling surface 49. This is rather along the surface lines 50, one of which is shown in broken lines in FIG. 8, is convex and curved with a constant radius.
- the radius of curvature is approximately 800 mm, corresponding to the maximum possible inclination of a roller 25 to the rolling plates 38.
- the base body 26 of the upper support part 21 has a jacket 56 which extends in the direction of the central axis 16 of the pendulum device, the outer dimensions of which are circumferentially smaller than the inner dimensions of the base body 27 of the support part 22 and which is located within the base body 27.
- a flange 57 which projects outward from the central axis 16 and is circumferentially formed on the jacket 56 at the upper end, projects over the upper edge of the jacket 29 of the support part 22. In a section through one side of the base body 26, this results in an L-shape with an upright, long leg lying in the jacket and with a lying short leg located in the flange.
- toothing elements 40 and 42 are located in the upper support part 21 with respect to the central axis 16 outside and in the lower support part 22 inside the roller segments 45.
- the roller segments 45 themselves are arranged essentially above or below the jacket 56 or 29, so that deformation of the corresponding side walls of the support parts 21 and 22 by the load absorbed by the pendulum support is largely avoided.
- the four roller segments 45 of the two support parts 21 and 22 are centered in the same axial plane as the roller plates 28.
- the base body 26 closes the pockets 36 of the base body 27 inwards with two opposing walls 58 such that a roller 45 is received by a pocket 36 with little play in the direction of its axis.
- the dimensional tolerances of only a few components therefore go into the guide game, so that the guide can be designed very closely.
- the direction of movement predetermined by the rollers 45 when driving straight ahead corresponds to the longitudinal direction of the car body and the direction of travel of a rail vehicle.
- the pivot plane defined by the roller segments 45 is perpendicular to the longitudinal direction of the car body.
- the pressure chamber of the piston-cylinder unit is connected to a hydraulic accumulator in a manner not shown.
- the hydraulic accumulator and the piston-cylinder unit form a hydropneumatic spring, whereby by feeding and. the level of the car body can be changed by draining hydraulic fluid from the system or can be kept constant despite a changing weight.
- the different positions of cylinder 12 and piston 13 relative to one another have no effect on the behavior of the pendulum device. If, for example, a force acts on the car body in the transverse direction, the pendulum device 11 moves from its central position shown in FIGS. 1 and 4 to 6, the rolling surfaces 46 of the two rolling segments 45 on the upper support part 21 on the rolling plates 28 of the support part 15 and the rolling surfaces Roll 46 of the two roller segments 45 on the lower support part 22 on the roller plates 28 of the support parts 24.
- the pendulum device 11 comes into an inclined position, the distance between the rolling plates being in the neutral position due to the selected dimensions for the curvatures of the circular cylindrical rolling surfaces 46 and for the distance between the rolling plates 28 - the radius of the curvature is greater than half the distance 28 enlarged, so the car body is raised. This causes a step on the car body towards the neutral position of the pendulum device acting restoring force.
- the rollers 25 roll along the roller plates 38. The level of the car body does not change.
- the car body moves with respect to the bogie, which also has a component in the transverse direction and in the longitudinal direction, all of the rolling surfaces roll on one another.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Motorcycle And Bicycle Frame (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10044992 | 2000-09-11 | ||
DE10044992A DE10044992A1 (de) | 2000-09-11 | 2000-09-11 | Pendelstütze zur Abstützung eines Wagenkastens an einem Drehgestell |
PCT/EP2001/009782 WO2002020326A1 (de) | 2000-09-11 | 2001-08-24 | Pendelstütze zur abstützung eines wagenkastens an einem drehgestell |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1317368A1 true EP1317368A1 (de) | 2003-06-11 |
EP1317368B1 EP1317368B1 (de) | 2006-04-26 |
Family
ID=7655883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01969639A Expired - Lifetime EP1317368B1 (de) | 2000-09-11 | 2001-08-24 | Pendelstütze zur abstützung eines wagenkastens an einem drehgestell |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1317368B1 (de) |
DE (2) | DE10044992A1 (de) |
WO (1) | WO2002020326A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7546807B2 (en) * | 2006-07-19 | 2009-06-16 | Amsted Rail Company, Inc | Constant contact side bearing |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19541611A1 (de) * | 1995-11-08 | 1997-05-15 | Rexroth Mannesmann Gmbh | Abstützung für einen Wagenkasten an einem Fahrgestell |
DE19842145A1 (de) * | 1998-09-15 | 2000-03-16 | Mannesmann Rexroth Ag | Abstützung für einen Wagenkasten an einem Fahrgestell |
-
2000
- 2000-09-11 DE DE10044992A patent/DE10044992A1/de not_active Withdrawn
-
2001
- 2001-08-24 DE DE50109638T patent/DE50109638D1/de not_active Expired - Lifetime
- 2001-08-24 EP EP01969639A patent/EP1317368B1/de not_active Expired - Lifetime
- 2001-08-24 WO PCT/EP2001/009782 patent/WO2002020326A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO0220326A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1317368B1 (de) | 2006-04-26 |
DE50109638D1 (de) | 2006-06-01 |
DE10044992A1 (de) | 2002-03-21 |
WO2002020326A1 (de) | 2002-03-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0472167A2 (de) | Wälzlager für Linearbewegungen, Stichwort: Rollenschienenführung | |
DE3320763C2 (de) | Käfig für ein Rollenlager | |
DE10140819A1 (de) | Pendelmittellager | |
EP2212571A1 (de) | Anlaufscheibe und radial-axial-lager mit einer solchen | |
DE2154519C3 (de) | Kastenträger, insbesondere für Lagerregale | |
DE102017111206A1 (de) | Rollenführung | |
EP0943729B1 (de) | Dichtungseinrichtung | |
DE4222175C2 (de) | Wälzlagerkäfig | |
DE3153202C2 (de) | Linear-Rollenlager | |
DE10337591B4 (de) | Kontinuierliche Presse zum Pressen von Pressgutmatten oder Preßgutbahnen im Zuge der Herstellung von Spanplatten, Faserplatten oder dergleichen Holzwerkstoffplatten | |
DE102008004033A1 (de) | Käfig für Wälzkörper | |
DE102010015922A1 (de) | Abkantpresse zum Biegen von Folien | |
EP1317368B1 (de) | Pendelstütze zur abstützung eines wagenkastens an einem drehgestell | |
DE69705221T4 (de) | Metallplattenbiegevorrichtung mit offsetdruckrollen | |
DE3322717A1 (de) | Waelzlager fuer endlose linearbewegung | |
DE3419428C2 (de) | ||
EP2643247B1 (de) | Führungselement für transportketten sowie förder- und/oder speichereinrichtung mit solchen führungselementen | |
EP3955727B1 (de) | Landwirtschaftliche maschine | |
DE3921034B4 (de) | Abkantpresse und dafür vorgesehene Vorwölbungsmittel | |
DE2301042C3 (de) | Vorrichtung zur Befestigung und Arretierung längsverstellbarer Sitze von Fahrzeugen, insbesondere Kraftfahrzeugen | |
EP0859717B1 (de) | Abstutzung fur einen wagenkasten an einem fahrgestell | |
DE3317080C2 (de) | ||
EP0749826B1 (de) | Mechanische Kniehebelpresse | |
DE10249978A1 (de) | Linearführung mit u-förmiger Führungsschiene | |
CH660413A5 (de) | Rollenlager zur auflagerung von heiss- oder kaltgehenden rohrleitungen. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20030329 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH CY DE FR GB IT LI |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE FR GB IT |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): DE FR GB IT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20060426 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REF | Corresponds to: |
Ref document number: 50109638 Country of ref document: DE Date of ref document: 20060601 Kind code of ref document: P |
|
ET | Fr: translation filed | ||
GBV | Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed] |
Effective date: 20060426 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed |
Effective date: 20070129 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20091026 Year of fee payment: 9 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20100827 Year of fee payment: 10 Ref country code: FR Payment date: 20100901 Year of fee payment: 10 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 50109638 Country of ref document: DE Effective date: 20110301 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110301 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20120430 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110824 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20110831 |