EP3953527A1 - Pic de bourrage et procédé de bourrage d'une voie ferrée - Google Patents

Pic de bourrage et procédé de bourrage d'une voie ferrée

Info

Publication number
EP3953527A1
EP3953527A1 EP20710504.0A EP20710504A EP3953527A1 EP 3953527 A1 EP3953527 A1 EP 3953527A1 EP 20710504 A EP20710504 A EP 20710504A EP 3953527 A1 EP3953527 A1 EP 3953527A1
Authority
EP
European Patent Office
Prior art keywords
tamping
pick
sensor
shaft
recess
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
EP20710504.0A
Other languages
German (de)
English (en)
Other versions
EP3953527B1 (fr
EP3953527C0 (fr
Inventor
Martin BÜRGER
Gerald Zauner
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.)
Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Original Assignee
Plasser und Theurer Export Von Bahnbaumaschinen 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
Application filed by Plasser und Theurer Export Von Bahnbaumaschinen GmbH filed Critical Plasser und Theurer Export Von Bahnbaumaschinen GmbH
Publication of EP3953527A1 publication Critical patent/EP3953527A1/fr
Application granted granted Critical
Publication of EP3953527B1 publication Critical patent/EP3953527B1/fr
Publication of EP3953527C0 publication Critical patent/EP3953527C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B27/00—Placing, renewing, working, cleaning, or taking-up the ballast, with or without concurrent work on the track; Devices therefor; Packing sleepers
    • E01B27/12—Packing sleepers, with or without concurrent work on the track; Compacting track-carrying ballast
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2203/00—Devices for working the railway-superstructure
    • E01B2203/12—Tamping devices

Definitions

  • the invention relates to a tamping pick for a tamping machine for
  • the invention relates to a tamping machine for tamping under a track, wherein opposite tamping tools can be acted upon with vibration and are mounted on a height-adjustable tool carrier so that they can be provided with one another.
  • the invention also relates to a method for operating the tamping machine with tamping picks.
  • WO 2011/003427 A1 discloses a tamping pick for a tamping machine for tamping under a track.
  • Tamping machine Tamping tools with pick holders for clamping a respective tamping pick.
  • WO 2018/219570 A1 discloses a method for compressing a
  • Ballast bed known by means of a tamping machine.
  • force measuring sensors are arranged on pimple mounts of a tamping unit in order to detect a course of a force acting on the tamping tool over a path covered by the tamping tool during a vibration cycle.
  • the invention is based on the object of specifying a tamping pick of the type mentioned at the beginning with which an improved tamping process is feasible.
  • a further object of the invention is to provide a tamping machine for the improved implementation of a tamping process.
  • a correspondingly improved method for operating the tamping machine is to be specified.
  • a sensitive element of a sensor is arranged in a recess in the tine shaft and the tamping tine comprises a coupling element for transmitting a sensor signal.
  • the tampon itself fulfills a sensor function for detecting an occurrence in the tampon
  • the sensitive element is optimally arranged because the recess of the pimple shaft is adapted to the properties of the sensor.
  • the desired measurands are with high
  • Accuracy can be measured, whereby the integration of the sensitive element in the pimple shaft prevents interference from disturbance variables.
  • the arrangement protects the sensitive element from damage.
  • the tamping pick comprises electronics for the sensor.
  • the sensor or the sensitive element can be calibrated before the tampon is shipped, with calibration data being able to be stored in the electronics.
  • the electronics advantageously comprise a memory chip, the connection of which is led to the outside via a cable.
  • a further improvement provides that the sensitive element is designed to record several measured variables occurring in the tampon.
  • the temperature of the tamping pick is recorded.
  • the sensor is suitable for monitoring operating conditions during a tamping process in order to derive maintenance requirements from them.
  • the coupling element is an element of a detachable plug connection.
  • the plug connection is released and the tamping tine through replaced a new tamping ax.
  • the new tampon has the same plug connection in order to restore the plug connection.
  • the tamping tool sensibly comprises an electronic component for identifying the tamping tool. Conveniently, this is a so-called Trustet Platform Module, which prevents manipulation of the identification.
  • the sensitive element is an expansion element glued into the recess. In this way, forces and accelerations acting on the tamping tine can easily be recorded.
  • Optical fiber with a fiber Bragg grating is.
  • Such a fiber Bragg grating can be used at predetermined points on the optical waveguide
  • Elongations, compressions and bends can be measured. Forces, accelerations and temperature changes can be derived from this.
  • Pimple shaft protrudes and that the protruding portion of the
  • Optical fiber is sheathed with a flexible protective sheath. In this way, the optical waveguide with the protective sheathing is guided to a point where the evaluation electronics are arranged.
  • the recess is advantageously a longitudinal bore in one
  • Sensor element optimally protected from damage without adversely affecting the strength of the ax shaft. If necessary, mechanical protection against kinking is arranged at an exit point.
  • opposite tamping tools can be acted upon with vibration and can be provided to one another on a height-adjustable tool carrier
  • Evaluation device is coupled to the sensor of the respective tamping pick. This means that measured variables occurring in the tamping tines during a tamping process can be recorded in order to optimize the tamping process. It is advantageous if the evaluation device by means of a
  • Plug connection is connected to the respective sensor and when the respective plug connection is arranged in particular on the tool carrier. This simplifies the replacement of a tamping tool without the
  • the tamping machine with the tamping tines described provides that during a tamping process a measured variable occurring in the respective tamping tine is detected by means of the assigned sensor and registered by the evaluation device. These are the ones recorded during a tamping process
  • Measured variables can be used to optimize subsequent tamping processes.
  • Tamping process a readout process is started for each tamping pick and that the tamping process is blocked if the electronic component for identifying the respective tamping pick is missing or incorrect. This prevents the tamping machine from being operated with the wrong tamping ax.
  • Evaluation device is registered.
  • Corresponding status data can also be transferred to a cloud in order to monitor each change process
  • the tamping machine 1 shown in FIG. 1 can be moved with rail bogies 2 on a track 3 to be tamped and comprises a tamping unit 4, a lifting / straightening unit 5 ; a measuring system 6 and a
  • the track 3 is a ballast track, in which a track grid formed from sleepers 8 and rails 9 is mounted in a ballast bed 10. During a tamping process, the track grid is lifted into a target position by means of the lifting / straightening unit 5 and
  • the current position of the track grid is compared with the target position by means of the measuring system 6.
  • the target position is fixed by the tamping unit 2 with vibrating
  • Tamping pick 11 penetrates between the sleepers 8 into the ballast bed 10 and compacts ballast under the sleepers 8 with a positioning movement.
  • the lifting / straightening assembly 5 and the tamping assembly 4 are controlled by means of the machine control 7 using the measuring system 6.
  • Each tamping pick 11 is fastened in a pick holder 12 of a tamping tool 13.
  • a pimple shaft 14 of the respective darning pick 11 has a holding section 15 at its upper end, which is inserted in the pick receptacle 12.
  • the holding section 15 is cylindrical and forms a fit with a cylindrical inner surface of the pick holder 12.
  • the holding section 15 is firmly clamped in the pick receptacle 12 by means of screw connections.
  • the pimple shaft 14 merges into a pimple plate 16.
  • Opposite tamping tools 13 are tong-shaped on one
  • the tool carrier 17 stored.
  • the tool carrier 17 is guided in a height-adjustable manner in an assembly frame 18.
  • Upper ends of the tamping tools 13 are via respective auxiliary drives 19 with a
  • Vibration generator 20 connected.
  • the auxiliary drives 19 are mounted on a rotating eccentric shaft.
  • the vibration generation is integrated in the respective auxiliary drive 19. In this case, cyclical vibration strokes are superimposed on a set stroke in a hydraulic cylinder.
  • a sensitive element 22 of a sensor 23 is arranged in a recess 21 of the pick shaft 14.
  • the measured variable is fed to an evaluation device 25 via a coupling element 24 connected to the sensitive element 22.
  • the evaluation device 25 is connected to the respective sensor 23 by means of a plug connection 26.
  • the evaluation device 25 is set up in the machine control 7, for example.
  • the sensitive element 22 is advantageously an optical waveguide with a fiber Bragg grating.
  • the section with the fiber Bragg grating is glued into the recess 21 of the pimple shaft 14. In this way, expansions, compressions or bends in the pimple shaft 14 on the
  • a flexible protective sheath e.g. armored hose
  • Measured variables can be derived.
  • the basis for this is a preceding calibration process.
  • the calibration of the sensor 23 takes place, for example, at the manufacturer's before delivery.
  • the calibration data are stored in the sensor 23 or in a separate memory element.
  • a memory chip 29 is glued into the tampon 11, the connection of which is led to the outside via a cable.
  • the memory chip data are read out by means of a reading device, which can be stationary or mobile. The data are transmitted to the machine control 7 via a radio interface.
  • Machine use an automatic calibration program. Calibration values are determined for each tamping pick. The updated values are stored in the memory chip 29.
  • the tamping pick 11 expediently comprises a further electronic component 30 which enables the tamping pick 11 to be identified electronically.
  • a so-called Trustet Platform Module is implemented, which ensures a forgery-proof identification of the tamping pick 11.
  • the memory chip 29 and the electronic component 30 are advantageously integrated in the sensor electronics 28.
  • the machine control 7 is set up so that after
  • a readout process is started. If the respective electronic component 30 is missing or if the respective tamping pick 11 cannot be identified, the tamping process is blocked. This prevents a tamping process from being carried out with incorrect tamping tines.
  • the readout process is also used to log a
  • Tamping pick exchange can be used.
  • a longitudinal bore in a core area of the pick shaft 14 is shown as a recess 21.
  • the pimple shaft 14 is not weakened because the geometrical moment of inertia of the shaft cross section is only slightly influenced.
  • the longitudinal bore extends approximately as far as the pimple plate 16.
  • counterforces of the acting on the pimple plate 16 are Ballast bed 10 with a fiber Bragg grating at the end of a glued-in optical waveguide can be detected directly.
  • the recess 21 is designed as a groove along the tine shaft 14, the groove being sealed after the sensitive element 22 has been introduced.
  • Sensor electronics 28 are provided. They are glued in
  • Electronics housing also accommodates the memory chip 29 and the electronic component 30 and plug contacts 31 (FIG. 4).
  • the tamping pick 11 encompasses the entire sensor 23.
  • the plug contacts 31 are connected to contacts of the pick holder 12 (FIG. 5).
  • This plug connection 26 is arranged in a protected manner in the pick holder 12 and connects the sensor 23 to the evaluation device 25 attached to the tamping tool 13.
  • a connection to the machine control 7 takes place via a cable or via a radio interface.
  • the temperature in the tamping tines 11 enables ongoing condition monitoring. This concerns first of all the condition of the processed ballast bed 10. This can be adapted
  • Machine control 7 based on all sensor data and leads to an optimized control of the unit drives.
  • the sensors 23 are used to log the individual tamping processes. It makes sense to specify ranges for individual measured variables in order to detect undesired deviations at an early stage. In this way, operating errors and progressive signs of wear can be identified (Condition
  • Predictive maintenance of the wearing parts in particular the tamping tine 11 (predictive maintenance).

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)

Abstract

L'invention concerne un pic de bourrage (11) pour une machine de bourrage (1) destinée à bourrer par le dessous une voie ferrée (3), comprenant une tige de pic (14) qui possède, à son extrémité supérieure, une portion de maintien (15) servant à la fixation dans un attachement de pic (12) et qui se transforme, à son extrémité inférieure, en une plaque à pic (16). Un élément sensible (22) d'un capteur (23) est ici disposé dans une cavité (21) de la tige de pic (14) et le pic de bourrage (11) comprend un élément de couplage (24) destiné à transmettre un signal de capteur. Le pic de bourrage (11) remplit ainsi une fonction de capteur servant à détecter les grandeurs de mesure qui se produisent dans le pic de bourrage (11).
EP20710504.0A 2019-04-11 2020-03-11 Pic de bourrage Active EP3953527B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA130/2019A AT522406A1 (de) 2019-04-11 2019-04-11 Stopfpickel und Verfahren zum Stopfen eines Gleises
PCT/EP2020/056414 WO2020207686A1 (fr) 2019-04-11 2020-03-11 Pic de bourrage et procédé de bourrage d'une voie ferrée

Publications (3)

Publication Number Publication Date
EP3953527A1 true EP3953527A1 (fr) 2022-02-16
EP3953527B1 EP3953527B1 (fr) 2023-07-19
EP3953527C0 EP3953527C0 (fr) 2023-07-19

Family

ID=69784458

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20710504.0A Active EP3953527B1 (fr) 2019-04-11 2020-03-11 Pic de bourrage

Country Status (6)

Country Link
US (1) US20220145548A1 (fr)
EP (1) EP3953527B1 (fr)
JP (1) JP7485694B2 (fr)
CN (1) CN113646482A (fr)
AT (1) AT522406A1 (fr)
WO (1) WO2020207686A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114703703B (zh) * 2022-04-28 2023-01-31 武汉理工大学 一种捣固耙、捣固镐、捣固车以及捣固车的捣固方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5842321B2 (ja) * 1975-06-14 1983-09-19 芝浦メカトロニクス株式会社 ドウシヨウシメカタメソウチ
SU1194940A1 (ru) * 1984-07-25 1985-11-30 Ts K B Tyazhelykh Putevykh Mas Путевая машина
JP2002146702A (ja) * 2000-11-08 2002-05-22 Nagoya Railroad Co Ltd 道床のつき固め方法及び道床のつき固め装置
JP3942864B2 (ja) 2001-10-31 2007-07-11 財団法人鉄道総合技術研究所 軌道狂い計測方法及びその計測装置
WO2011003427A1 (fr) 2009-07-04 2011-01-13 Franz Plasser Bahnbaumaschinen-Industriegesellschaft Mbh Pic de bourrage pour une machine de bourrage pour bourrer une voie ferrée
CN102031734B (zh) * 2010-12-15 2012-05-23 山东申普交通科技有限公司 小型液压自动捣固机的智能控制方法
CN103174433A (zh) * 2013-04-02 2013-06-26 天津大学 带有复合传感器的盾构机刀具
BR122020024175B1 (pt) 2015-02-13 2023-03-07 Esco Group Llc Sistema de monitoramento de produtos de penetração de solo para equipamento de trabalho no solo
AT518025A1 (de) * 2015-12-10 2017-06-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Stopfaggregat und Verfahren zum Unterstopfen eines Gleises
AT518195B1 (de) * 2016-01-26 2017-11-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Verfahren zur Verdichtung der Schotterbettung eines Gleises sowie Stopfaggregat
DE112017007331T5 (de) 2017-03-29 2019-12-19 Komatsu Ltd. Arbeitsmaschinen-management-vorrichtung
AT520056B1 (de) 2017-05-29 2020-12-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Verfahren und Vorrichtung zum Verdichten eines Gleisschotterbetts

Also Published As

Publication number Publication date
JP2022526026A (ja) 2022-05-20
AT522406A1 (de) 2020-10-15
JP7485694B2 (ja) 2024-05-16
US20220145548A1 (en) 2022-05-12
WO2020207686A1 (fr) 2020-10-15
CN113646482A (zh) 2021-11-12
EP3953527B1 (fr) 2023-07-19
EP3953527C0 (fr) 2023-07-19

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