EP2411254A1 - Dispositif de freinage pour traîneau guidé sur rail - Google Patents

Dispositif de freinage pour traîneau guidé sur rail

Info

Publication number
EP2411254A1
EP2411254A1 EP10722540A EP10722540A EP2411254A1 EP 2411254 A1 EP2411254 A1 EP 2411254A1 EP 10722540 A EP10722540 A EP 10722540A EP 10722540 A EP10722540 A EP 10722540A EP 2411254 A1 EP2411254 A1 EP 2411254A1
Authority
EP
European Patent Office
Prior art keywords
brake
carriage
braking device
friction
eddy current
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.)
Withdrawn
Application number
EP10722540A
Other languages
German (de)
English (en)
Inventor
Josef Wiegand
Andreas Hahn
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.)
Josef Wiegand GmbH and Co KG
Original Assignee
Josef Wiegand GmbH and Co KG
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 DE102009015529A external-priority patent/DE102009015529A1/de
Application filed by Josef Wiegand GmbH and Co KG filed Critical Josef Wiegand GmbH and Co KG
Publication of EP2411254A1 publication Critical patent/EP2411254A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
    • B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
    • B60T13/58—Combined or convertible systems
    • B60T13/585—Combined or convertible systems comprising friction brakes and retarders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/22—Devices for monitoring or checking brake systems; Signal devices
    • B60T17/228—Devices for monitoring or checking brake systems; Signal devices for railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/126—Brakes for railway vehicles coming into operation in case of exceeding a predetermined speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F16D63/002—Brakes with direct electrical or electro-magnetic actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F16D63/008—Brakes acting on a linearly moving member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2121/00—Type of actuator operation force
    • F16D2121/18—Electric or magnetic
    • F16D2121/20—Electric or magnetic using electromagnets

Definitions

  • the invention relates to a braking device for a rail-guided slide, comprising an eddy current brake, which consists of a primary and a secondary part whose relative position is adjustable to change the braking force acting on the carriage.
  • Eddy current brakes of this type are used, for example, for braking trains, the adjustment being made by electric or hydraulic actuators.
  • the invention is based on the object, the braking device for rail-guided slide z.
  • a carriage should not only be understood to mean a carriage provided with skids, but also carriages equipped with wheels or wheels.
  • summer toboggan runs or other amusement facilities use 4-wheeled cars that run on rails.
  • the invention therefore provides to provide a slidably actuated by the driver of the carriage actuating lever on the carriage, which is mechanically coupled to the eddy current brake such that the driver can determine by a change in the relative position of primary and secondary part of the delay of the carriage.
  • Such a braking device has the advantage that it works wear-free and can be dosed much more accurate than a friction brake. Furthermore, it has the advantage that it is weather-independent, since the delay is determined only by the relative position of the primary and secondary parts, while in a friction brake, the coefficient of friction due to moisture is significantly reduced.
  • the invention provides alternatively, that the carriage has an eddy current brake and a friction brake, wherein the eddy current brake consists of a primary and a secondary part, their relative position to change the on the carriage acting braking force is adjustable, and the friction brake consists of a friction belt and a brake pad, the Generation of a force acting on the carriage braking force after bridging a free travel against the friction belt can be pressed.
  • a device for braking a rail vehicle which consists of an eddy current brake and a friction brake.
  • the eddy current brake is first activated.
  • the delay of the rail vehicle is monitored, wherein the friction brake is activated only if by means of the eddy current brake a desired target deceleration is not achieved.
  • brakes designed for individual operation by the driver of the sledge of a summer toboggan run in order to give him the opportunity to adapt the sled speed to his needs, become designed as friction brakes.
  • Such brakes have been proven, especially because they can be well dosed in dry weather.
  • they also have disadvantages. They are subject to wear and, even more importantly, can not transmit very high forces in wet weather because the coefficient of friction between the continuously installed parallel to the guide rail brake band and the brake pad due to one in wet weather on the Braking band-forming moisture film is significantly reduced.
  • significantly higher brake actuation forces must be applied to achieve the same carriage deceleration as a dry brake band. Not every person is capable of doing so, so that in case of doubt even the summer toboggan run has to be stopped.
  • the invention is thus based on the object to provide for a rail-mounted slide, especially for a summer toboggan run, a low-maintenance, but despite all effective brake available with the in any weather with little effort a sufficiently high carriage delay is achieved, so that z.
  • the invention provides that the carriage is provided a single arbitrarily operable by the driver of the carriage actuating lever which is mechanically coupled with both brakes so that a braking force causing position of primary and a secondary part is already present during the Brake pad still passes through the free path.
  • the driver of the carriage actuate mechanically via an actuating lever. Since the two brakes are mechanically are coupled together, they are operated synchronously. However, their braking effect does not start at the same time, but rather the actuation is realized in that the braking effect of the eddy current brake is used first and the braking effect of the friction brake is added only after the brake pads of the friction brake have bridged a certain distance to the brake band and are applied to the brake band ,
  • the braking effect in this type of combination brake is initially determined independently of the friction of the eddy current brake, the braking effect can be metered regardless of the weather.
  • the braking effect of an eddy current brake is speed-dependent, especially at high speeds with a low operating force, a large braking effect can be achieved.
  • the friction brake sets in, whereby due to the already reduced speed, a weather-related reduction of the braking effect no longer plays a significant role.
  • the braking distance is proportional to the coefficient of friction, but is in quadratic dependence on the speed at the beginning of the braking.
  • the friction brake When used for sledges of a summer toboggan run, the friction brake thus does not need to be controlled delay-dependent as in the prior art, but comes only on the setting of the free travel between the brake pad and brake band offset in time relative to the eddy current brake used.
  • Such a synchronous movement of the primary part of the eddy current brake and the brake pad can be realized in the simplest way that both the primary part of the eddy current brake and the brake pad are held on a common carrier which is mechanically coupled to the actuating lever.
  • the invention further provides that parallel to the rail, a web extends, which consists of an electrically conductive, non-magnetic material and whose side surfaces form friction surfaces, so that the Bridge acts both as a secondary part and as a brake band, and that the carrier is movable perpendicular to the web.
  • the braking force of the eddy current brake is determined in this construction by the distance between the primary and the secondary part.
  • the brake pad is resiliently mounted in the direction of movement of the carrier.
  • the braking force of the eddy current brake can be better controlled if it is determined at a constant distance only of an overlap between the primary and the secondary part.
  • a web parallel to the rail, a web extends, which consists of an electrically conductive, non-magnetic material, so that the web acts as a secondary part that runs perpendicular to the web, the brake band and that the carrier parallel to Footbridge is movable.
  • the web on its lower edge on two laterally projecting flanges, which act as a brake band, wherein the carrier consists of a traverse and two downwardly projecting arms, on whose inner sides in each case a primary part and at the lower edges of each a brake pad is attached ,
  • the carrier is coupled to the rotatably mounted bell of a centrifugal brake.
  • the braking device comprises only a friction brake, which consists of a friction belt and a brake pad which can be pressed against the friction belt to produce a brake force acting on the carriage, wherein a support holding the brake pad with the bell of a Centrifugal brake is coupled.
  • a return device is additionally provided to the brake pad from the failure of the drive by the centrifugal brake Release brake band and return to rest position.
  • the coupling is realized by means of hydraulic means.
  • the coupling by means of a transmission z. B. realized a spindle drive.
  • the coupling is realized by means of a belt drive, in which the bell acts as a winch.
  • a further object of the invention is to improve the safety of a summer toboggan run by limiting the speed of the carriage over the entire route or at least on dangerous sections by means of a brake which operates independently of the driver.
  • the invention provides that in addition to a brake to be operated arbitrarily by the driver, the rotation of the bell of a centrifugal brake is used to actuate an additional friction or eddy current brake.
  • an autonomous braking system is shown which is completely independent of a driver's deceleration request and serves only to limit the speed of the carriage to a maximum value.
  • FIG. 3 shows a cross section through the embodiment of FIG. 2,
  • FIG. 4 shows an extension of the second embodiment of FIG. 2 and
  • Fig. 5 is a perspective view of a third embodiment.
  • a first embodiment of the invention is shown schematically.
  • the braking device consists of a web 1, which runs parallel to the rails and is perpendicular to the driving plane formed by the rails.
  • the web 1 consists of a conductive material, for. As copper or aluminum, and is therefore able to serve as a secondary part 9 of an eddy current brake.
  • the side surfaces of the web 1 serve as friction surfaces of a friction brake and are if necessary prepared in a suitable manner.
  • an operable by the driver of the carriage actuating lever 2 is mounted, which is coupled via a linkage 3 with 4 carriers.
  • a primary part 5 and a brake pad 6 is fixed in each case, which is supported by a spring 7 on the carrier 4. If the Carriage is located on the rails, the carrier 4 are located on both sides of the web. 1
  • Fig. 1 shows an actuated braking device.
  • the primary parts In the position shown, the primary parts have already approached the web 1 so far that electrical currents are induced therein, which generate a magnetic field directed against the magnetic field of the primary part 5 and thus provide an initially weak braking effect.
  • the brake pads 6 are not yet applied to the web 1. This takes place only when the operating lever 2 is further tightened and the brake pads 6 have bridged the Leerweg 8 to the web 1. As soon as the brake pads 6 abut the web 1 and are pressed against it, an additional friction-based braking force is generated. Since the primary parts 5 have also approached the web, the braking force of the eddy current brake is increased. By a further actuation of the actuating lever 2, the contact pressure of the brake pads is further increased while the springs 7 are compressed. As a result, the primary parts 5 can continue to approach the web 1, so that the entire braking force is increased on the one hand by the increased frictional force and on the other hand by the increased electromagnetic force of the eddy current brake. In this embodiment, the electromagnetic force is thus realized by the distance of the primary parts 5 to the web 1.
  • the rails which are likewise not illustrated here, run as a starter.
  • kundärteil 9 serving web 1 with two laterally perpendicular thereto projecting flanges 10, with which this is attached to the rail guide.
  • friction plates 11 are attached on the top of the flanges 10
  • the carrier 4 consists of a traverse 12 and two downwardly projecting arms 13, on the inside of the primary parts 5 of the eddy current brake and at the lower edges of the brake pads 6 are attached.
  • the coupling with the actuating lever 2 is such that the carrier 4 is moved in accordance with the arrow 14 as a result of its actuation, so that initially the overlap of the primary parts 5 with the web 1 is increased. As a result, the braking effect of the eddy current brake caused by the electrodynamic force is increased.
  • FIG. 4 shows an additional embodiment in which, in addition to the voluntary actuation of the braking device by means of the actuating lever 2, an automatic, speed-dependent actuation takes place.
  • the wheel axles of the carriage are provided with centrifugal brakes, wherein at least the bell 20, one of these centrifugal brakes, is in operative connection with the carrier 4.
  • the centrifugal brake engages at a high speed of the carriage
  • the bell 20 is taken from the flyweights and actuated via a gear 21, shown here by a gear 22, the carrier 4 by z.
  • the coverage according to the comments is increased according to Fig. 2 and 3 of the eddy current brake.
  • a spring 23 limits the path of the carrier 4 and provides for a return to its rest position of the carrier when the centrifugal brake detaches again at decreasing speed of the carriage.
  • the centrifugal brake is thus coupled to one of the braking devices described above, which consist of an eddy-current brake and a friction brake.
  • the centrifugal brake is either coupled only with a friction brake or only with an eddy current brake.
  • the combination with a friction brake is shown by way of example in FIGS. 5a and 5b.
  • the brake pads 6 are mounted on a lever linkage 30, upon actuation of which the brake pads 6 are pressed outwards against corresponding friction bands, which are laid parallel to the rails and not shown here in detail.
  • the lever linkage is mounted on a bracket 31 on the carriage.
  • the bell 20 drives via a belt 32 to a spindle 33 which causes the adjustment of the lever linkage 30 in the sense of a brake actuation via a push rod 34.
  • a rubber buffer 35 is arranged, which allows 33 to increase the pressure force on the brake band by further adjustment of the spindle by being compressed according to the force to be transmitted.
  • Fig. 5a shows the brake in operation, Fig. 5b in the release position.
  • the centrifugal brake can also be designed as a centrifugal clutch, ie even exert no braking forces on the wheels of the carriage.
  • the thus actuated friction brake is used in addition to a brake to be actuated by the driver and thus is completely independent of the operation by a driver.
  • a brake is used only to limit the maximum speed of the carriage.
  • an eddy current brake can be used, which is actuated by the bell of a centrifugal brake or centrifugal clutch.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)

Abstract

L'invention est basée sur le problème qui consiste à proposer pour le traîneau d'un toboggan un frein qui travaille efficacement et qui en outre demande peu d'entretien. Dans ce but, l'invention propose de combiner un frein à courants de Foucault avec un frein à frottement, tous deux actionnés de manière synchronisée et volontaire par actionnement du levier de frein par le conducteur du traîneau. Dans ce but, le frein de frottement est doté d'une course morte (8) de sorte qu'initialement, seul le frein à courants de Foucault est engagé, le frein de frottement n'étant engagé qu'après que la course morte (8) a été parcourue. L'actionnement manuel peut en même temps être complété par un actionnement automatique qui est actionné par un frein/embrayage à force centrifuge.
EP10722540A 2009-03-24 2010-03-24 Dispositif de freinage pour traîneau guidé sur rail Withdrawn EP2411254A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009014136 2009-03-24
DE102009015529A DE102009015529A1 (de) 2009-04-02 2009-04-02 Bremseinrichtung für einen schienengeführten Schlitten
PCT/DE2010/000345 WO2010108484A1 (fr) 2009-03-24 2010-03-24 Dispositif de freinage pour traîneau guidé sur rail

Publications (1)

Publication Number Publication Date
EP2411254A1 true EP2411254A1 (fr) 2012-02-01

Family

ID=42340451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10722540A Withdrawn EP2411254A1 (fr) 2009-03-24 2010-03-24 Dispositif de freinage pour traîneau guidé sur rail

Country Status (3)

Country Link
EP (1) EP2411254A1 (fr)
DE (1) DE112010004004A5 (fr)
WO (1) WO2010108484A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3183039B1 (fr) * 2014-08-20 2021-03-10 Trublue Llc Dispositif de freinage par courant de foucault pour systèmes rotatifs
WO2018145196A1 (fr) * 2017-02-10 2018-08-16 Portal Crane Parts Ltd. Actionneur électromécanique de frein de tempête
CN107351828B (zh) * 2017-05-16 2023-08-11 中国煤炭科工集团太原研究院有限公司 一种具有车辆制动失效自动防护装置的矿用车辆液压系统
CN110683464A (zh) * 2019-10-10 2020-01-14 马嘉锋 一种基于电磁原理的起重机轨道运行安全保护装置
CN110980158A (zh) * 2019-12-13 2020-04-10 无锡爱邦辐射技术有限公司 电子加速器束下传输装置
CN112644290B (zh) * 2020-12-29 2021-09-21 王延平 一种列车各车厢的同步制动控制方法及系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB324707A (en) * 1928-11-01 1930-02-03 Richard Garrett & Sons Ltd Improvements in brake gear for road and rail vehicles
US4271762A (en) * 1977-08-16 1981-06-09 Josef Wiegand Pleasure vehicle and a transportation system utilizing the same
DE3423401A1 (de) * 1984-06-25 1986-01-02 Gerhard Dipl.-Ing. 7950 Biberach Mertins Sommerbob auf schienen
DE19724272C2 (de) * 1997-06-09 2001-11-15 Maurer Friedrich Soehne Fahrzeug für Fahrgeschäfte
US6293376B1 (en) * 1999-11-22 2001-09-25 Magnetar Technologies Ltd Apparatus including eddy current braking system
US6533083B1 (en) * 2000-02-15 2003-03-18 Magnetar Technologies, Inc Eddy current braking apparatus
DE10139257A1 (de) * 2001-08-03 2003-02-13 Josef Wiegand Gmbh & Co Kg Fre Rodelbahn

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010108484A1 *

Also Published As

Publication number Publication date
DE112010004004A5 (de) 2012-08-23
WO2010108484A1 (fr) 2010-09-30

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