EP4059682A1 - Vorrichtung und verfahren zum anbringen eines kissens an einer eisenbahnschwelle - Google Patents

Vorrichtung und verfahren zum anbringen eines kissens an einer eisenbahnschwelle Download PDF

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Publication number
EP4059682A1
EP4059682A1 EP22153405.0A EP22153405A EP4059682A1 EP 4059682 A1 EP4059682 A1 EP 4059682A1 EP 22153405 A EP22153405 A EP 22153405A EP 4059682 A1 EP4059682 A1 EP 4059682A1
Authority
EP
European Patent Office
Prior art keywords
pad
concrete
tank
height
point
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
Application number
EP22153405.0A
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English (en)
French (fr)
Other versions
EP4059682B1 (de
EP4059682C0 (de
Inventor
Giancarlo Bianchi
Luciano Nani
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.)
Wegh Group SpA
Original Assignee
Wegh Group SpA
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Filing date
Publication date
Application filed by Wegh Group SpA filed Critical Wegh Group SpA
Publication of EP4059682A1 publication Critical patent/EP4059682A1/de
Application granted granted Critical
Publication of EP4059682B1 publication Critical patent/EP4059682B1/de
Publication of EP4059682C0 publication Critical patent/EP4059682C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0056—Means for inserting the elements into the mould or supporting them in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
    • B28B17/0063—Control arrangements
    • B28B17/0081—Process control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/0062—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects forcing the elements into the cast material, e.g. hooks into cast concrete
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation

Definitions

  • the present invention relates to an apparatus and a method for application of a pad to a railway sleeper.
  • Rails intended for the transit of railway vehicles are known.
  • the rails have a main longitudinal extension and rest on elements known as sleepers which follow one after the other at predetermined intervals.
  • the sleepers extend transversely to the longitudinal extension of the rails.
  • One of the most common materials for the manufacture of sleepers is concrete.
  • a rubber pad is usually placed below the concrete sleeper which allows to better absorb the vibrations and facilitates the correct positioning of the sleeper, compensating for any irregularities of the support surface.
  • a method for application of the pad to the sleeper comprises the steps of:
  • a drawback of such an embodiment solution is related to the fact that the level of concrete in the tank can vary slightly. This could be due to an error in dosing the concrete inside the tank or to an imperfect levelling of the concrete. Consequently, in some cases the pad is positioned inside the concrete too much or too little (penalising its function), making the connection with the concrete unstable.
  • the technical task underpinning the present invention is to provide an apparatus and a method for application of a pad to a railway sleeper which obviates the drawbacks of the prior art cited above.
  • the reference number 1 denotes an apparatus for application of a pad to a base of a railway sleeper made of concrete.
  • a pad allows, for example, to better absorb vibrations and facilitates the correct positioning of the sleeper, compensating for any irregularities of the support surface.
  • the pad can be in a single body or an assembly of several parts.
  • the pad is for example made of rubber, or of elastomeric or plastic material or a polyurethane foam (for example, it could be made of a material whose trade name is "Silomer").
  • the pad is a flexible element which is suitable for extending in a plane. Suitably, it has a thickness comprised between 0.5 and 3 centimetres.
  • it is intended to cover at least 90% of the base of the sleeper.
  • the apparatus 1 comprises a form 2 in turn comprising at least a first tank 21 intended to receive a cast of concrete to form the sleeper.
  • the form 2 could possibly comprise a plurality of tanks each intended for forming a sleeper (the first tank 21 is part of said plurality of tanks).
  • the same form 2 comprises a single body which defines a plurality of said tanks.
  • the tanks are suitably placed side by side.
  • the tanks of the same form 2 are identical to each other in geometry.
  • the form 2 can, for example, comprise four side-by-side tanks.
  • the apparatus 1 suitably comprises means 3 for detecting a parameter associated to a vertical component of a distance between at least one predetermined point and at least one point of the free surface of the concrete located in the first tank 21 of the form 2. Therefore, such a parameter is associated to the height (elevation) at which at least one point of the free surface of the concrete located in the form 2 is located.
  • a parameter can be a distance of the point of the free surface from the detection means 3 (the height of the detection means 3 is known and/or could be taken as a reference level).
  • a predetermined point can advantageously be the position of the pad located above the first tank 21.
  • the free surface suitably defines an interface surface of the concrete cast with the air located in the external environment.
  • the detection means 3 comprise a contactless sensor 30 for measuring the distance between said sensor 30 and a point of the free surface of the concrete.
  • the detection means 3 (in particular the sensor 30) comprise a laser system 31 for measuring the distance from a point of the free surface of the concrete.
  • the apparatus 1 suitably comprises means 4 for at least partially positioning the pad in the first tank 21 at a height that is a function of an input coming from the detection means 3.
  • the pad must be positioned so that a part (suitably predetermined) of its thickness is below the previously defined height of the free surface of the concrete and a part (suitably predetermined) of its thickness protrudes outside of the concrete.
  • the means 4 for positioning the pad comprise means 41 for nearing/moving away the pad with respect to the first tank 21.
  • the nearing/moving away means 41 are movable between up and down.
  • the nearing/moving away means 41 allow a substantially vertical movement of the pad.
  • the nearing/moving away means 41 advantageously comprise a first and a second hoist 411, 412.
  • the first and the second hoist 411, 412 are controlled by corresponding motors, typically of the brushless type.
  • the first and the second hoist 411, 412 comprise a longitudinally extending flexible element (a cable, a chain, etc.) that can be moved by the corresponding motor.
  • the use of such a flexible element is useful as it allows to perform a vibration of the concrete-pad block with the pad still associated to the first and to the second hoist 411, 412.
  • the apparatus 1 comprises at least one area for accumulating 6 pads to be collected to be able to be applied to the concrete present in the form.
  • the positioning means 4 suitably comprise pad gripping means 5.
  • the gripping means 5 allow the pad to be moved in a planar configuration.
  • such gripping means 5 could be of a mechanical type (grippers or the like) or a suction type (for example, suction cups) or still other type.
  • the gripping means 5 comprise suction cups.
  • the gripping means 5 constrain the pad in a plurality of areas.
  • the positioning means 4 comprise a frame 50 in which the gripping means 5 are obtained.
  • the frame 50 is supported by the nearing/moving away means 41, in particular it is supported by the hoists described above. Therefore, the frame 50 is suspended from the nearing/moving away means 41 or rather from the hoists. Therefore, the nearing/moving away means 41 allow a lifting/lowering of the frame 50 and therefore of the gripping means 5.
  • the nearing/moving away means 41 can comprise at least one motor which moves a system that moves the gripping means 5 up or down.
  • the positioning means 4 allow the gripping means 5 to be moved.
  • the positioning means 4 suitably comprise a carriage 40 to which nearing/moving away means 41 are constrained. Therefore, the frame 50 is suspended below the carriage 40 by means of the nearing/moving away means 41.
  • the nearing/moving away means 41 move together with the carriage 40.
  • the carriage 40 translates along guide means, suitably the guide means are horizontal. Therefore, the positioning means 4 allow (by means of the carriage 40) to move the gripping means 5 between a first position in which they surmount a pad accumulation area 6 and a second position in which they surmount the form 2 (in particular the first tank 21).
  • the detection means 3 are (possibly at least in part) integral with the positioning means 4.
  • the sensor 30 can move together with the positioning means 4. In particular, the sensor 30 moves integrally with the carriage 40.
  • the positioning means 4 act on the gripping means 5 and the form 2 remains substantially stationary.
  • the positioning means 4 could comprise form movement means which bring the form 2 closer to the gripping means 5 which remain stationary.
  • the positioning means 4 act by moving both the form 2 and the gripping means 5 to allow the connection of the pad to the concrete present in the first tank 21.
  • the pad nearing/moving away means 41 define means for adjusting the inclination of the pad (or of the gripping means 5) with respect to a horizontal plane as a function of a signal coming from the detection means 3.
  • the movable actuators could comprise a plurality of brushless motors which control corresponding systems for the movement of the first or the second gripping area 51, 52.
  • a first brushless motor can control the first hoist 411 and a second brushless motor can control a second hoist 412 that respectively raise/lower the first and the second gripping area 51, 52 (allowing the first and the second gripping area 51, 52 to be positioned at different heights; this, for example, can occur by means of an independent movement of the first and the second brushless motor).
  • the gripping means 5 allow the pad to be inclined (or the gripping means 5 which suitably comprise a flat area for accommodating the pad) by inclining it with respect to a horizontal plane (so as to extend along a plane which is inclined with respect to the horizontal plane). This allows to compensate for any problems related to an imperfect planarity of the free surface of the concrete located in the first tank 21. This could be attributable to a planarity defect in the positioning of the form 2 or to a defect linked to the process of filling the first tank 21 with a viscous product such as concrete.
  • the form 2 suitably comprises a plurality of tanks (for example the first tank 21 and a second tank 22).
  • the apparatus 1 comprises a plurality of detection means 3, each intended to detect a height of at least one point of the free surface of concrete located in a corresponding tank. Therefore, there are distinct and independent detection means 3 each associated to a corresponding tank.
  • the apparatus 1 comprises a plurality of means 4 for positioning a corresponding pad in the corresponding tanks 21, 22 at a height that is a function of an input from the corresponding detection means 3.
  • the positioning means 4 are associated to corresponding detection means 3.
  • Each of said detection means 3 is capable of controlling corresponding positioning means 4. Thereby, the positioning means 4 operate independently of each other.
  • An object of the present invention is further an application method for applying a pad to a base of a railway sleeper made of concrete.
  • the method is implemented by means of an apparatus 1 having one or more of the features described above.
  • the method comprises the step of introducing concrete into a first tank 21 obtained in a form 2.
  • the first tank 21 has an opening.
  • the concrete is inserted with said opening facing upwards.
  • the first tank 21 further comprises a bottom and a side wall which connects the bottom and the opening. The bottom and the side wall close the first tank 21 at the bottom.
  • the first tank 21 is a single monolithic body.
  • the method comprises a step of detecting a parameter associated to a height at which at least one point of the free surface of the concrete placed in the first tank 21 is located.
  • a parameter is for example the distance of said at least one point from a sensor 30 suitable for measuring said distance.
  • the expression "at least one point” implies that such a point could be one or more points. Such points can be in the same area (so as to be able to perform a plurality of measurements and then extract an average value) or in distant areas (for example in two opposite halves of the first tank 21).
  • the step of detecting a parameter associated to a height at which at least one point of the free surface of the concrete is done via a contactless sensor 30 which is not placed in contact with the concrete.
  • a step occurs by means of a laser sensor (even if it could be of another type).
  • the method comprises the step of coupling the pad 92 to the concrete placed in the first tank 21, positioning the pad 92 at a height defined at least as a function of an input coming from the step of detecting a parameter associated to a height at which at least one point of the free surface of the concrete is located.
  • the pad 92 is positioned correctly with respect to the free surface of the concrete (the amount of concrete may not always be exactly the same in the first tank 21 or the level may be uneven due to problems in the filling step). This avoids inserting the pad too deep or positioning it at a height that does not allow a stable connection with the concrete.
  • the pad has a first and a second opposite surface between which it extends in thickness.
  • the first surface is positioned in the concrete at a lower height than the free surface of the concrete (or rather at a lower height than the previously detected height of the free surface of the concrete).
  • the second surface is positioned at a higher height than the previously detected height of the free surface of the concrete.
  • the step of coupling the pad 92 to the concrete placed in the first tank 21 comprises the sub-steps of:
  • the step of lowering the pad 92 to the height defined at least as a function of said input involves bringing the pad into contact with the concrete placed in the first tank 21.
  • the step of lowering the pad 92 involves introducing the pad at least partially below the height of the free surface of the concrete (determined previously). Therefore, the step of lowering the pad 92 involves introducing the pad 92 at least in part into the first tank 21.
  • the step of coupling the pad 92 to the concrete it occurs while the first tank 21 is facing upwards.
  • the step of detecting a parameter associated to a height at which at least one point of the free surface of the concrete is located occurs by means of a sensor 30 which during the step of positioning the pad 92 above the first tank 21 transits (preferably integrally with the pad 92) above the first tank 21.
  • a sensor 30 transits over the first tank 21 integrally with the pad gripping means 5.
  • the sensor 30 transits above the first tank 21 moving at least for a stretch parallel to a longitudinal extension direction of the first tank 21.
  • the first tank 21 in the longitudinal direction (main extension direction) can be fictitiously divided into a first and a second half.
  • the senor 30 during the step of positioning the pad 92 above (or rather on the vertical plane) of the first tank 21 is positioned first on the vertical plane of the first half and then on the vertical plane of the second half.
  • the step of detecting a parameter associated to a height at which at least one point of the free surface of the concrete is placed comprises measuring a parameter associated to a height at which at least a first and a second point of the free surface which are located respectively in two opposite halves of the concrete which is located in the first tank 21 are located.
  • the step of coupling the pad 92 to the concrete is preceded/accompanied by the step of modifying the inclination of the pad (or in any case of the gripping means 5) with respect to a horizontal plane before the step of coupling the pad 92 to the concrete according to the difference in height of the first and the second point.
  • the application method for applying a pad to a base of a railway sleeper made of concrete can comprise the steps of:
  • the step of coupling the additional pad 920 to the second tank 22 is independent of the step of coupling the pad 92 to the first tank 21.
  • the additional pad 920 can be connected with the concrete present in the second tank 22 at a lower height than the height with which the pad 92 is connected with the concrete present in the first tank 21.
  • the present invention achieves important advantages.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Electroplating Methods And Accessories (AREA)
EP22153405.0A 2021-03-18 2022-01-26 Vorrichtung und verfahren zum anbringen eines kissens an einer eisenbahnschwelle Active EP4059682B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102021000006473A IT202100006473A1 (it) 2021-03-18 2021-03-18 Apparato e metodo di applicazione di un tappeto ad una traversa ferroviaria

Publications (3)

Publication Number Publication Date
EP4059682A1 true EP4059682A1 (de) 2022-09-21
EP4059682B1 EP4059682B1 (de) 2023-08-30
EP4059682C0 EP4059682C0 (de) 2023-08-30

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ID=76159759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22153405.0A Active EP4059682B1 (de) 2021-03-18 2022-01-26 Vorrichtung und verfahren zum anbringen eines kissens an einer eisenbahnschwelle

Country Status (2)

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EP (1) EP4059682B1 (de)
IT (1) IT202100006473A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117260926A (zh) * 2023-11-09 2023-12-22 河北首科铁路器材有限公司 一种混凝土轨枕加工设备
EP4331797A1 (de) * 2022-08-23 2024-03-06 HESS Group GmbH Messeinrichtung für eine rütteleinrichtung einer betonsteinfertigungsanlage und verfahren zur bestimmung des vertikalen abstands zwischen rütteltisch und prallleisten so einer rütteleinrichtung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055708B1 (de) * 1980-03-14 1984-08-15 A-Betong Ab/Sabema Material Ab Verfahren zum herstellen aufeinanderfolgender betonelemente in einem langen formbett und ein auf schienen montierter wagen zum entformen
CN108772942A (zh) * 2018-07-13 2018-11-09 中铁三局集团有限公司 对crtsⅰ型双块式轨枕的预制模具自动化清理装置及方法
CN110076903A (zh) * 2019-06-03 2019-08-02 北京好运达智创科技有限公司 一种轨枕套管锁付机
CN212241537U (zh) * 2020-03-31 2020-12-29 中铁三局集团有限公司 双块式轨枕自动化、无人化生产系统
CN212554380U (zh) * 2020-04-20 2021-02-19 廊坊海斯建材机械有限公司 轨枕套管自动盖帽设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0055708B1 (de) * 1980-03-14 1984-08-15 A-Betong Ab/Sabema Material Ab Verfahren zum herstellen aufeinanderfolgender betonelemente in einem langen formbett und ein auf schienen montierter wagen zum entformen
CN108772942A (zh) * 2018-07-13 2018-11-09 中铁三局集团有限公司 对crtsⅰ型双块式轨枕的预制模具自动化清理装置及方法
CN110076903A (zh) * 2019-06-03 2019-08-02 北京好运达智创科技有限公司 一种轨枕套管锁付机
CN212241537U (zh) * 2020-03-31 2020-12-29 中铁三局集团有限公司 双块式轨枕自动化、无人化生产系统
CN212554380U (zh) * 2020-04-20 2021-02-19 廊坊海斯建材机械有限公司 轨枕套管自动盖帽设备

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4331797A1 (de) * 2022-08-23 2024-03-06 HESS Group GmbH Messeinrichtung für eine rütteleinrichtung einer betonsteinfertigungsanlage und verfahren zur bestimmung des vertikalen abstands zwischen rütteltisch und prallleisten so einer rütteleinrichtung
CN117260926A (zh) * 2023-11-09 2023-12-22 河北首科铁路器材有限公司 一种混凝土轨枕加工设备
CN117260926B (zh) * 2023-11-09 2024-03-08 河北首科铁路器材有限公司 一种混凝土轨枕加工设备

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Publication number Publication date
EP4059682B1 (de) 2023-08-30
EP4059682C0 (de) 2023-08-30
IT202100006473A1 (it) 2022-09-18

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