EP3707052A1 - Système de réglage de niveau pour régler le niveau d'un véhicule, notamment d'un véhicule ferroviaire - Google Patents

Système de réglage de niveau pour régler le niveau d'un véhicule, notamment d'un véhicule ferroviaire

Info

Publication number
EP3707052A1
EP3707052A1 EP18766281.2A EP18766281A EP3707052A1 EP 3707052 A1 EP3707052 A1 EP 3707052A1 EP 18766281 A EP18766281 A EP 18766281A EP 3707052 A1 EP3707052 A1 EP 3707052A1
Authority
EP
European Patent Office
Prior art keywords
level control
cylinder
control system
piston
level
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
Application number
EP18766281.2A
Other languages
German (de)
English (en)
Inventor
Jürgen MUHR
Ulrich Wermund
Eduard Nies
Mark A. Sterrett
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from EP17200882.3A external-priority patent/EP3483028B1/fr
Application filed by Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Publication of EP3707052A1 publication Critical patent/EP3707052A1/fr
Pending legal-status Critical Current

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
    • B61F5/22—Guiding of the vehicle underframes with respect to the bogies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/027—Mechanical springs regulated by fluid means
    • B60G17/0272—Mechanical springs regulated by fluid means the mechanical spring being a coil spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/10—Railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/30—Height or ground clearance

Definitions

  • the present invention relates to a level control system for adjusting the level of a vehicle, in particular rail vehicle, with at least one
  • Leveling cylinder and a level piston wherein the level control piston at least partially movable in the level control cylinder is added
  • DE 103 15000 A1 discloses a device for changing the position of the seed.
  • For secondary suspension is between the bogie and the car body a
  • spring element which may be an active hydrauRsche spring, gas spring or the like or even a passive spring in the form of a formed in the manner of Druckfsder steel spring or the like.
  • a Switzerlandzylnder is provided between the bogie and the car body, with which a force acting against the force of Federetemerrts ROckstollkraft is generated to bring the car body from the raised ride level in a deflected platform level (Lede rtfladeposition) and hold.
  • Deactivation of the pull cylinder causes the car body to return to the raised ride level from the steady state force of the spring stage.
  • the pull cylinder is a hydraulic cylinder which can be acted upon on one side. Thus the traction occurs, so the piston rod immersed in Druckmitteb In the cylinder body of the pull cylinder is a zyiiriderdeckei proposede Dmckffenrjeetzsch lagung of
  • a space-saving level control system which enables an adjustment of the level of the vehicle and an efficient and cost-effective installation and maintenance
  • a level control system with the features of claim 1.
  • a level system for adjusting the level of a vehicle in particular rail vehicle, provided with at least one level control cylinder and a level control piston, wherein the
  • the level control system comprises at least one layered leather and wherein the leveling piston is substantially continuous
  • the present invention is based on the idea that the assembly of a level control system by an integral construction of the particular
  • Level control cylinder both simplified and can be optimized in its functionality. Furthermore, the present invention is based in particular on the
  • the basic idea is that the leveling piston is collarless, i. with an im
  • the leveling system in the region of the end of the level control piston can be made axially shorter or have a lower overall height.
  • Outer diameter of the leveling piston does not have any hydraulic connections.
  • the level control piston has a substantially continuous outside diameter without collars and / or hydraulic connections.
  • the installation space height, as well as a minimum lifting height, can be reduced to approximately half of the originally required installation space of a lifting cylinder by means of an integral construction of the components.
  • Level control systems are preferably incorporated directly in the georetic design of the level control spring and / or the level control cofoil.
  • simplified handling of the level control system can not only be done during operation, e.g. In the form of integrated into the level finder finder
  • Level control system is constructed with a smaller number of components and easily accessible
  • the advantages of a level control system according to the present invention are not only noticeable during the life of the level control system, but also in the course of the manufacture and assembly as well as the maintenance of the system, in particular with regard to a simplified handling of the system.
  • the level control piston is at least partially movable in the direction of adjusting the level of the
  • the level control piston is, according to a conventional lifting cylinder, movably disposed within the leveling cylinder
  • the level control cylinder is hydraulically actu ble
  • Level control cylinder designed In a retracted state of the level control systems, the level control piston is preferably arranged completely inside the level control cylinder or
  • the level control piston is at least partially or largely Innernalb the level control cylinder in the retracted state
  • the level control piston In a deployed state of the level control system, the level control piston is largely located outside the oil level control cylinder. Thus, a stroke is interposed between the retracted and extended states
  • the level control system has at least one
  • the level control system comprises at least one layer spring, which is arranged above the Nlveauregelkobens.
  • a spring unit preferably a laminated spring, between the level piston and the car body is available to compensate for vibrations during the journey.
  • the level control piston directly, i. without the interposition of the shuttle spring, to the carbody (e.g., to the cradle, to the carrier, etc.) of the rail vehicle is fastened.
  • the level control piston directly, i. without the interposition of the shuttle spring, to the carbody (e.g., to the cradle, to the carrier, etc.) of the rail vehicle is fastened.
  • Arrangement of the layer spring be dispensable.
  • the leveling piston thus connected directly to the car body, if no layer spring was present. Alternatively or additionally did the leveling piston also directly connected to the car body, falbl the layer spring is located below the leveling cylinder
  • level control piston is to be understood in the sense of the present invention such that the ScWchtfeder is positioned in the stroke direction of Nlveauregelkofcens
  • the positioning above the leveling piston is thus always to be understood as the arrangement in the stroke direction of the leveling system.
  • the laminated spring between a car body of the vehicle and the level control piston is arranged
  • the laminated spring is arranged in the assembled state of the level control cylinder below the level Izyllndere or below a compression spring on a chassis of the vehicle, if the level control cylinder is additionally coupled to a compression spring
  • the Walter is provided that the Nrveauregdkolben has a substantially constant or continuous outer diameter
  • the level control piston is provided in particular as a Ungsforrnlger cylinder, which is adapted to act in the sense of a piston for a lifting cylinder.
  • the substantially constant outer diameter preferably relates to the general outer dimensions of the level control piston.
  • the level control piston is at least in the outer diameter along its outer diameter
  • the level control piston has no collar or a comparable shoulder which extends substantially beyond the radial circumference of the level control piston
  • the lateral surface or peripheral surface of the level control coften is preferably designed as a substantially gleichschreibige or flat surface. Deviating from the substantially constant outer diameter of the level control piston in the sense of the present invention in the lower region (relative to its mounted state) grooves or similar depressions along its whyurrrfangs aut do, for example, to allow a suitable FlukJebteltung in the inside diameter of the leveling cylinder.
  • the space height is significantly reduced.
  • Level control piston with a substantially constant outer diameter can be significantly reduced.
  • the present invention is capable of shadowing a unified and effective embodiment of a level vegetation system by an advantageous construction, which in particular provides a space-saving and preferably integral arrangement of the components
  • the level control system comprises a first washer and a second drum, the first fixer axle resting on the leveling piston and the second washer being mounted on the body of a vehicle;
  • first Fuse as the lower base plate and the second Fbderschebe as the upper base plate (in each case based on their mounted state) are formed.
  • Level control piston and the vehicle or the VVagenkasten done to appropriately initiate a lifting force to perform a lifting movement on the VVagenkasten.
  • a lifting force On the basis of the first Fbdermission on the leveling piston is a lifting force preferably over an enlarged area in the direction of the vehicle or the car body transferable.
  • the layered leather is arranged between the first and second Fibderschebe
  • forces between the Nlveauregelkolben and the Vvagenkaster »on advantageous Welse via a specific surface in the Schlick spring can be coupled and damped.
  • a force distribution on a preferably larger area in the form of the first fixing disc takes place.
  • Movements introduced above the first fixing disc, or the like, in particular abrupt movements due to uneven road surfaces during operation, e.g. a rail vehicle, can be cushioned by means of the laminated spring or
  • level control system is available
  • a further fastening element for connecting the leveling piston to the leveling cylinder is provided below a further embodiment.
  • the fastening element is provided such that the
  • Level control cylinder and the level piston are indirectly connected or coupled with each other.
  • the individual fastening element is arranged centrally, in particular along a longitudinal axis of the vertical axis element or level plane.
  • the longitudinal axis may be arranged as a common axis
  • a coupling of the level control cylinder to the level lever is provided in such a way based on the Befleglgungselomems so that the level control piston is at least partially movably received in the level control cylinder
  • the cost of manufacturing or for assembly and / or maintenance of the level control system according to the invention can be reduced in an advantageous manner.
  • the weather conditions are the level of levelny Indian and the level in the sense of the present invention so interconnected or coupled, so that a relative movement of the leveling piston is possible up to a maximum range of motion or up to a maximum stroke
  • the fastening element requires this force and / or fluid connection indirectly, preferably in cooperation with at least one
  • the attachment selement the at least one FQhmngselement so positioned between prevailregetzyllnder and level-controlled that from a maximum range of movement or stroke of the level control piston a stop is reached
  • the centrifugal piston has a central bore which is designed to receive the fastening element
  • the Beffeflgungserement is arranged centrally within the piston or the Strukturregersysterns
  • the level girth system in particular the level control cylinder and the level control piston, may be conveniently coupled by means of a single mounting element B.
  • the value is based on the central arrangement of the hole for the one
  • At least one strap member is provided which is positioned in connection with the fastener such that the level control cylinder has first and second end stops for the relative
  • this is at least one reference element in the assembled and use state of the level detector system by means of the
  • the fastening element is provided in a position such that the guide element protrudes from the level eccentric
  • the at least one FOhrungseiement on the basis of
  • At least two guiding elements can be provided, which protrude beyond the outer diameter of the level control piston on the opposite sides of the level control piston.
  • the at least one projecting guiding element can be placed in the
  • Level control cylinder engage, so that end stops are provided in the course of the relative movement between Nlveauregeizylinder and level control koiben.
  • At least one end stop is provided by a cooperation between the fixing member in the leveling groove, the at least one guiding element and the leveling cylinder.
  • the guiding element is such
  • Level detecting piston projecting provided, so that the Fihrung element engages in a corresponding guides ut of the leveling cylinder for the provision of a predeterminable relative movement between Nfveauregeikoben and NrveauregelzyHnder.
  • the guiding element and the elements act
  • level control and level control pistons can be prevented by means of straight or rectilinear guide grooves.
  • the fixing element did a screw or a bolt.
  • the Befaetfgungselement is provided as a screw.
  • the helical fastener can be screwed into the central bore of the level control piston to achieve a convenient assembly of the level control piston and the Nlveauregebyllnders.
  • the central bore of the level control can be provided as a bore which is at least partially designed with an internal thread
  • the Befisst onlyselement be designed as a bolt.
  • the fastening element in the form of a bolt can be fastened within the central bore of the piston, for example by means of a detachable clamping mechanism.
  • the bolt is secured to its head by means of other screws, pins or the like, so that an appropriate use of the level control system is possible
  • the laminated spring is arranged around the Befest Trentselemerit around for connecting the first Fixierecheibe with the level piston.
  • the laminated spring is such to the Befest onlyse learn nt around
  • the first Fbderin is annular, in particular Iroisringförmlg formed Such an annular design of the first Fbdersche.be allows a particularly compact and space-optimized attachment to the level control piston. Finally, to attach the first fixing the individual
  • Belest only be used, so that no further Befestigurigs institute are necessary or they can be omitted.
  • the layered leather is an annular one
  • the laminated spring is arranged as an annular layer leather around the fastening element around
  • the fastening element may be positioned in a central cavity within the layered leather to provide advantageous utilization of the tree space between the first and second fixing discs.
  • the level control cylinder has at least one crimpable shoulder along its open cylinder side, in particular wherein the tray-shaped shoulder has at least one first radially or tangentially arranged hydraulic connection and at least one second radially or tangentially arranged hydraulic connection
  • a hairpin was placed between the head of the fixation member (eg, a screw head) and the first fixation washer.
  • a plurality of pins are provided for positional positioning of the layer spring. Consequently, the pins assist in the transmission of eventual rotational momentum from the level gird to the
  • the leveling piston provided without a collar collar bears directly on the first piston disk with its piston end.
  • the hydraulic hose at the leveling piston can be eliminated and instead arranged or provided on the platform-shaped shoulder of the hydraulic actuator.
  • the level control system at least one bellows, which between the kragenforrnlgen heel of
  • Leveling cylinder and the first Fbderdefined is arranged.
  • the bellows is so provided between the krao ⁇ nförmigen heel and the first Fbderusion so that the level and the level regulating level piston are protected from contamination or the like.
  • Leveling cylinder and / or the first Fbderschebe a receiving groove, for receiving the bellows.
  • the bellows can therefore preferably be arranged and fastened along the taagenfformigen paragraph of the leveling cylinder and along the first Fbderusion and fastened.
  • the bellows is mitschreibbar in the course of a lifting movement of the level control system and safely positJonierbar.
  • the respective Aufhahmeut be configured as a circumferential Autddlingut.
  • the bellows may be configured with a bead or the like to ensure a secure engagement in the Aufhahmeut the leveling cylinder and the first fixing disc.
  • the bellows has a stiffening element in such a way that the bellows is detachably fixed in the mounting groove of the leveling cylinder and / or the first fixing disc
  • the bellows is in particular fixed releasably and rotatably in these Respective Airfhahmenuten
  • a Verstolfurtgselement be provided integrated such that the bellows is securely fixed in the respective Aufhahmeut
  • the VersteururigseJemertt is preferably in the bellows or
  • the stiffening element is not visible from the outside arranged in the bellows
  • the Versterfungselement may be configured as a one-piece ring. Alternatively, the Verstetfungselement consist of a plurality of individual elements. The Verstetfungselement is so obtainedstartet, so that expedient
  • the stiffening element can be a vukanized metal ring or a comparable, suitably usable material in the context of a vehicle, in particular a rail vehicle.
  • a space-saving and construction height-optimized construction is available on the basis of the level control system according to the invention, which enables a simplified and cost-effective production and maintenance of the system.
  • an appropriate level control of a vehicle in particular one
  • Fig. 1 is a schematic frontal view of an implement
  • Fig. 2 is a fragmentary sectional view of the present invention
  • Level control cylinder. 1 shows a schematic frontal view of an embodiment of a
  • Level control system 10 with a level control cylinder 18 and a level control piston 16 in the retracted state.
  • the level control cam 16 is in the retracted state in FIG. 1 in an end position in which the minimum or no lift of the level control system 10 is given.
  • the level control system 10 is shown in FIG. 1 on a vehicle or a
  • Rail vehicle or a car body 12 is provided.
  • the level control system 10 is equipped with a first Fibdera 24.1, a second fixing disc 24.2 and an intermediate layer spring 23
  • the laminated spring 23 is e.g. provided as an annular layer spring.
  • a single fastening element 13 protrudes into the level control piston 16.
  • the fastener 13 is centrally in the level control system 10 and the
  • Level gauges 16 and the level control cylinder 18 are arranged A convenient linkage of the level of recession 16 with the
  • Level control cycle 18 is based on the individual, centrally arranged
  • the fastening element 13 is arranged with a HaJterance or Unteriegschebe 14 on the first fixing disc 24.1, in particular with a head of the
  • the first fixing disk 24.1 is based on the individual, centrally arranged
  • the first Fibderschebe 24.1 is, moreover, a circular ring ausoebfldeL
  • the head of the fastening element 13 is positioned inside the annular layer leather 23. In this way, the installation space along the hinge spring 23 can advantageously be used for the centrally arranged fastening element 13.
  • the leveling cylinder 18 is configured with an open cylinder side 18.1 from which the leveling device 16 can protrude. Thus, a stroke or a height adjustment of the level control system 10 can be achieved.
  • the leveling control cylinder 18 has a packing 18.2 along the open cylinder 18.1.
  • the taagenftrmige paragraph or circumference 18.2 of Nlveauregelzylindera 18 is as a paragraph relative to the cylindrical
  • the bellows 25 is so started between the collar-shaped shoulder 18.2 and the first Fixierschebe 24.1 that the level control system 10, in particular the level control cylinder 18 and the level control piston 16, are protected from contamination.
  • Level control cylinder 18 is provided, to which or in which the first and second
  • Hydraullcan gleich 18.5 and 18.6 are formed or aufeenornmen are.
  • the lugs may be formed as a recess or Ausraeung for receiving the first and second HydreulikanBankee 18.5 and 18.6.
  • the Ansalze are provided so that they are above the
  • the first and second Hydraullkanschkiss 18.5 and 18.6 in the approaches aufhehmbar can be used and positioned.
  • the longitudinal axis X of the Nfveauregelzyllnders 18 can by means of the first and second approach, the Hydraulkanschlschlsse 18.5 and 18.6 on the taagenttrmJgen paragraph 18.2, in particular on the circular outer diameter of
  • the first and second hydraulic connections 18.5 and 18.6 are tangent to the neck-shaped shoulder 18.2.
  • external hydraulic lines can advantageously be connected tangentially to the level control cylinder 18, in particular to the first and second hydraulic ports 18.5 and 18.6, in terms of flow.
  • the hydraulic connections 18.5 and 18.6 can be connected with the salt-crystals of the collar-shaped shoulder 18.2 in a force- and / or form-locking manner.
  • the first and second hydraulic connection 18.5 and 18.6 can be formed in one piece or in several parts with the collar-shaped shoulder 18.2 of the level control cylinder 18.
  • the HydraulikanschlQsse 18.5 and 18.6 are always configured and arranged in the sense of the present invention that external fluid lines in tangential form with the level regeisystem 10 are connectable.
  • the first hydraulic port 18.5 may be provided as an inlet or FlukJeingang.
  • the second hydraulic port 18.6 may be configured as a drain or as a discharge valve. In this sense, an embodiment of the second Hydraullkan gleich 18.6 voreteNbar as a pressure relief valve. Of the more valuable, the first and second hydraulic connection 18.5 and 18.6 can be used inverted in terms of their function.
  • one of the hydraulic outlets 18.5 and 18.6 is used both as a FkJk inlet and fluid outlet, while the other can be used, for example, as a pressure relief valve
  • the design of the taagerrlormigen paragraph or circumference 18.2, in particular the layer thickness of the paragraph 18.2, is oriented in particular to the size of the first and second hydraulic connection 18.5 and 18.6.
  • level control system 10 is connected to a landing gear 27 via an armwag puffier 26.
  • the chassis 27 may be formed as a bogie or have a bogie.
  • a coil spring 22 is arranged between the stop buffer 26 and the level control cylinder 18, a coil spring 22 is arranged
  • FIG. 2 shows a schematic sectional view of the exemplary embodiment of FIG. 1.
  • FIG. 2 additionally shows the internal structure of the leveling groove 16 as well as of the inlet sealer 18.
  • the pins 15 also serve for the correct positioning of the first fixing disc 24.1 with respect to the laminated spring 23.
  • the level control piston 16 is at a substantially constant or
  • the level control cam 16 has no collar, collar-shaped heel or the like.
  • the level control piston 16 Over the entire Uhigserstreckung the level control piston 16 is designed with a nearly equal or gleichbiebenden outer diameter Thus, there is a simple, inexpensive design of the level control piston 16 before.
  • the level of control of the level control 16 may preferably be completely, or at least to a substantial extent, retracted or taken up in the level governor 18. It is a minimum height construction of the level control system 10 based on the collarless level Gelkoibens 16 with a constant outer diameter achievable.
  • the minimum overall height of the exemplary embodiment according to FIGS. 1 and 2 is achieved when the first layer spring 24.1 rests completely or nearly on the collarless shoulder 18.2 of the level lever spring 18
  • the compressible and expandable bladder 25, in its compressed state, can be completely immersed in an annular recess of the first fixation flank 24.1 or the crossectional heel 18.2 in an advantageous manner.
  • the level control cam 16 is in an inner diameter 18.3 of the
  • Level control cylinder 18 movably received.
  • the level control piston 16 has a central bore 16.1, in which the fastener 13 is added
  • the fastening element 13 is designed as a screw
  • the central bore 16.1 of the level geotokosens 16 has at least partially an internal thread for screwing the Befsst onlyselementB 13.
  • the fastening element or the screw 13 is inserted into the central bore 16.1 of the leveling control 16, are preferably positioned within a Drhahrnebohrung 16.2 of the leveling piston 16 Irisbesondere the Fehrungsetti 20 are so form-shaped positioned by the fastener 13 in the receiving bore 16.2, that the
  • Leveling piston 16 protrude.
  • the level control cylinder 18 is configured along the inner diameter 18.3 with guide grooves 18.4 into which the guiding elements 20 can protrude.
  • Relative movement of the level control piston 16 with respect to the lifting height or a maximum stroke of the leveling system 10 can be predetermined.
  • the extension of the level control piston 16 is effected by introducing a fluid into the inner diameter 18.3 of the level control cylinder 18 until the guide elements 20 come into abutment with the grooves 18.4 of the leveling cylinder 18.
  • a minimum lift of the level control piston 16 may also be achieved when the first fixing blade 24.1 comes into contact with the open cylinder side 18.1
  • a minimum stroke can be achieved as soon as the level balance 16 with level control cylinder 18 comes into abutment on the bottom. It is also conceivable that the level control piston 16 can be kept at a specific height or lift height by setting a specific fluid volume or fluid pressure in the inside diameter 18.3 the level control cylinder 18 is included. In this sense, the level control piston 16 is different from the
  • Rotational security or a Vermossichenjng or a Rotattonaatop be provided.
  • an anti-rotation or a rotational security by an interaction of the guide sdemerrte 20 and corresponding ausgestalteter grooves 18.4 of the leveling cylinder 18 may be integrally formed.
  • grooves 18.4 are designed to provide a longitudinal guide for the level control piston 18.
  • a suitable connection of the level control piston 18 with the level gauge 18 can be achieved on the basis of the individual centrally arranged fastening element B 13.
  • the connection of the level control piston 18 with the level control cylinder 18 takes place indirectly on the basis of the fastening element 13, in cooperation with the guide elements 20 and the grooves 18. 4 of the level lever spring 18.
  • a cylinder seal 17 is arranged along the inside diameter 18. 3 of the level regulating cylinder 18
  • the cylinder seal 17 makes it possible to seal the inner diameter 18.3 of the leveling cylinder 18 with respect to the outer diameter of the leveling piston 18, wherein the leveling piston 18 is movably received in the inner diameter 18.3
  • the sealing of the inner diameter 18.3 is based on the cylinder seal 17 of FIG. 2 along the sliding surface of the leveling lever 16 in the
  • the cylinder seal 17 is designed according to FIG. 2 as an O-ring Alternatively, the cylinder seal 17 may be configured as any desired dimension or as an annular sealant of any desired cross-section. It is a convenient cylinder seal 17 available. Based on the cylinder seal 17, the inner diameter 18.3 of the
  • First and second flight channels 18.7 and 18.8 are integral with the
  • the first and second flight channels 18.7 and 18.8 extend orthogonally to the longitudinal axis X of the level guidebook 18.
  • the lobster-shaped shoulder 18.2 of the nutrient agglomerator can be designed to have a thickness sufficiently large for the purpose of forming the first and second channel 18.7 and 18.8
  • the first and second flight channels 18.7 and 18.8 In conjunction with the first and second
  • Hydraulic connection 18.5 and 18.8 is provided
  • the thickness of the kragenformigen paragraph 18.2 may therefore be provided so large that expedient didacticfaltende first and second fluid channels 18.7 and 18.8 and first and second hydrauHkanschlQsse 18.5 and 18.8 a north bar.
  • first and second fluid channels 18.7 and 18.8 are at least partially integrated in the cylinder wall of the level control cylinder 18
  • the first hydrault port 18.5 did fluidly connected to the inner diameter 18.3 of the level control cylinder 18 via the first fluid channel 18.7.
  • the second hydraulic circuit 18.6 is fluidly connected to the inner diameter 18.3 of the Nvveauregelzyiinder 18 above the second FlukJkanal 18.8.
  • the first and second fluid channels 18.7 and 18.8 according to FIG. 2 extend from the hydraulic channels 18.5 and 18.6 along the tangle-like shoulder 18.2 and through a part of the cylinder wall of the level mercury Indian 18, in particular in the vertical direction according to FIG. 2.
  • the more valuable are the first and second fluid channels 18.7 and 18.8 Flg. 2 configured substantially Z-förmkj
  • grooves or grooves may be provided along the inner diameter 18.3 of the level control cylinder 18 or along the outer diameter of the level control piston 16 so that the fluid from the fluid channels 18.7 and 18.8 can flow into the inner diameter 18.3 in a suitable manner.
  • the cylinder seal 17 may, for example, be provided so elastically, so that with reference to the cylinder seal 17 such grooves or grooves along the
  • Outer diameter of the level control piston 16 are suitably sealable.
  • the fluid channels 18.7 and 18.8 as required, it is conceivable that the fluid channels lead to an arbitrary and application-specific expedient position in the inner diameter 18.3 of the level control cylinder 18.
  • the level control piston 18 can be designed comparatively flat, in particular with an at least substantially constant outer diameter. Furthermore, by the tangential arrangement of the hydraulic hoses 18.5 and 18.6 on the fixed level control cylinder 18, a space-saving arrangement is achieved and the danger of the breaker of an external fluidization is avoided.
  • Fig. 3 is a detail view of the embodiment according to Fig. 1 with a bellows 25, releasably and rotatably mounted on the level control cylinder 18, is shown
  • bellows 25 is also releasably and rotatably attached to the first drive disc 24.1 corresponding to the attachment to the level control cylinder 18 (not shown in FIG. 3).
  • the bellows 25 has an annular ausgestaltetes stiffening element 25.1 with a rectangular cross-section.
  • the stiffening element 25. 1 is completely integrated in the wall of the bellows 25
  • the bellows 25 on a side wall end which is suitable for proper engagement in a circumferential receptacles ut 18.9 of kragenform igen paragraph 18.2 of the leveling cylinder 18
  • Receiving groove 24.3 also for receiving the bellows 25 on.
  • a further SeJtenwarxJabechluss of the bellows is also suitable for proper engagement in the circumferential recordings ut 24.3 of the first Fixierschreibe 24.1 suitable
  • stiffening element B 25.1 is a convenient, each local
  • the Verstififungsseiement 25.1 acts on the bellows 25, in particular along the SertenwandabRIC for engaging in the respective
  • the bellows 25 can safely and releasably in the respective Aufhahmenut 18.9, 24.3 of
  • Verstetfungsfunktion for stabilizing the bellows 25 and an integrally configured fuse function provided.
  • the BaJg 25 may be 25.1 formed in the region of the stiffening selements with a Wellerst 25.3 for engagement in the Aufhahmeut 18.9, 24.3 of
  • Level control cylinder 18 and the first fixing disc 24.1 is suitable
  • the bead 25.3 is designed such that a possible rotation of the cylinder 18 does not lead to a twisting of the bellows 25. Moreover, the bellows 25 has a sealing lip 25.2 projecting outwards, in the direction of the circumference.
  • the DichtHppe 25.2 is intended to prevent dirt between the Jotet 25.3 and the respective Aufhahmenut 18.9, 24.3, the rotational ease of the
  • Nlveauregekolben 16 and Nlveauregelzylinder 18 are avoided.
  • the present invention is an integral construction to realize a space-saving design as well as functional properties of the system in a simple manner.
  • the centrally arranged fastening element 13 allows a simple, safe and expedient connection of the level control piston 16 to the level control cylinder 18.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

L'invention concerne un système de réglage de niveau (10) pour régler le niveau d'un véhicule, notamment d'un véhicule ferroviaire, comprenant au moins un cylindre de réglage de niveau (18) et un piston de réglage de niveau (16), le piston de réglage de niveau (16) étant logé mobile au moins en partie dans le cylindre de réglage de niveau. Selon l'invention, le piston de réglage de niveau (16) présente un diamètre extérieur sensiblement continu.
EP18766281.2A 2017-11-09 2018-09-17 Système de réglage de niveau pour régler le niveau d'un véhicule, notamment d'un véhicule ferroviaire Pending EP3707052A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17200882.3A EP3483028B1 (fr) 2017-11-09 2017-11-09 Système de mise à niveau pour un véhicule, en particulier un véhicule ferroviaire
DE102018118453 2018-07-31
PCT/EP2018/075013 WO2019091637A1 (fr) 2017-11-09 2018-09-17 Système de réglage de niveau pour régler le niveau d'un véhicule, notamment d'un véhicule ferroviaire

Publications (1)

Publication Number Publication Date
EP3707052A1 true EP3707052A1 (fr) 2020-09-16

Family

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Application Number Title Priority Date Filing Date
EP18766281.2A Pending EP3707052A1 (fr) 2017-11-09 2018-09-17 Système de réglage de niveau pour régler le niveau d'un véhicule, notamment d'un véhicule ferroviaire

Country Status (3)

Country Link
US (1) US11608093B2 (fr)
EP (1) EP3707052A1 (fr)
WO (1) WO2019091637A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4234283A1 (fr) * 2019-07-31 2023-08-30 Vibracoustic SE Dispositif et procédé de réglage d'un point de pied d'un élément ressort pour un véhicule

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Also Published As

Publication number Publication date
US11608093B2 (en) 2023-03-21
WO2019091637A1 (fr) 2019-05-16
US20210031815A1 (en) 2021-02-04

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