EP3853414B1 - Stopfaggregat und verfahren zum unterstopfen von schwellen eines gleises - Google Patents

Stopfaggregat und verfahren zum unterstopfen von schwellen eines gleises Download PDF

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Publication number
EP3853414B1
EP3853414B1 EP19755328.2A EP19755328A EP3853414B1 EP 3853414 B1 EP3853414 B1 EP 3853414B1 EP 19755328 A EP19755328 A EP 19755328A EP 3853414 B1 EP3853414 B1 EP 3853414B1
Authority
EP
European Patent Office
Prior art keywords
sensor
tamping unit
tamping
sensor part
unit
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.)
Active
Application number
EP19755328.2A
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German (de)
English (en)
French (fr)
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EP3853414A1 (de
Inventor
Reinhard BÖCK
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.)
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Publication of EP3853414A1 publication Critical patent/EP3853414A1/de
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Publication of EP3853414B1 publication Critical patent/EP3853414B1/de
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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
    • E01B27/13—Packing sleepers, with or without concurrent work on the track
    • E01B27/16—Sleeper-tamping machines
    • E01B27/17—Sleeper-tamping machines combined with means for lifting, levelling or slewing the track
    • 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 unit for tamping sleepers on a track, with a tool carrier that can be lowered on a unit frame and on which two pivoting levers with tamping tools can be placed next to one another and can be subjected to a vibration, rotatably about a respective pivot axis, with at least one pivoting lever having a sensor for detection a pivot angle is associated with a pivot movement about the associated pivot axis.
  • the invention relates to a method for operating the tamping unit.
  • tracks with a ballast bed are regularly processed using a tamping machine.
  • the tamping machine drives on the track and lifts the track grid, which is made up of sleepers and rails, to a target level using a lifting/aligning unit.
  • the new track layout is fixed by tamping the sleepers with a tamping unit.
  • tamping tools tamping picks
  • the additional movements and the superimposed vibration movements follow an optimized movement pattern in order to achieve the best possible compaction results of the ballast bed.
  • a vibration frequency of 35 Hz has proven to be optimal during a delivery process.
  • a tamping unit which comprises two opposite pivoting levers with tamping tools attached thereto.
  • the swivel levers are mounted on a tool carrier that can be lowered so that they can rotate about a respective swivel axis and are coupled to an auxiliary drive and a vibration drive.
  • the current position of the respective tamping tool is determined by determining the angular position of the associated pivoted lever by means of an angle sensor arranged in the pivot axis.
  • the disadvantage here is that the angle sensor is exposed to high vibration loads.
  • the invention is based on the object of specifying improved detection of the respective tamping tool position for a tamping unit of the type mentioned at the outset.
  • a method for operating the improved tamping unit is to be described.
  • the senor is designed in multiple parts, that a first sensor part is attached to the tool carrier and that a second sensor part is attached to the pivoting lever. In this way, sensitive sensor components in the first sensor part are exposed to reduced loads because the tool carrier only performs a lowering or lifting movement during a tamping process. Only the second sensor part moves with the associated pivoting lever and is exposed to the vibration and side loads. Overall, this increases the service life of the sensor compared to known solutions.
  • the first sensor part includes active electronic components and the second sensor part includes only passive components without any power supply. This measure eliminates the need for a supply cable to the swing levers exposed to vibration. There is therefore no risk of cable breakage as a result of high mechanical loads.
  • the first sensor part advantageously comprises a magnetic sensor as the active component and the second sensor part comprises a permanent magnet as the passive component.
  • a further improvement of the tamping unit is achieved in that the first sensor part includes a movement sensor.
  • the lowering and lifting movements of the tamping tools or the tool carrier can be detected by means of the sensor in addition to the setting and vibration movements.
  • the sensor supplies all measurement signals required for continuous movement monitoring of the tamping unit.
  • the motion sensor is constructed as an integrated component. This allows a space-saving integration into the constructive structure of the sensor and a simple processing of the generated movement data.
  • the motion sensor includes three acceleration sensors and three gyroscopes. All possible movements in three-dimensional space can thus be detected. Lateral movements of the tamping unit or rotations around a vertical axis are also recorded in order to adapt control specifications or to document the course of a tamping process.
  • the first sensor part includes a microcontroller.
  • the microcontroller uses the microcontroller, data is already combined in the sensor or evaluated in advance. This creates the possibility of adapting the processing of the output measurement data or measurement signals to an input interface of a control device.
  • the first sensor part has a printed circuit board, which is arranged in a sealed housing and encapsulated with a protective medium. This ensures that any vibrations transmitted to the tool carrier have no effect on the first sensor part.
  • serial interface is arranged on the printed circuit board. This can be used to program or configure the sensor before it is used and, if necessary, before potting the circuit board.
  • the serial interface favorably has plug contacts for connecting a data cable.
  • the first sensor part has a bus interface, in particular a CAN interface.
  • This interface can be used for data exchange with a control device.
  • this interface can also be set up for programming or configuring the sensor.
  • the bus interface is usefully connected to a bus cable that is routed through a sealed bushing from a housing of the first sensor part. This measure also minimizes the risk of sensor damage as a result of mechanical loads or unfavorable environmental influences such as moisture, dust, etc.
  • the first sensor portion includes a temperature sensor. This makes it possible to adapt the activation of the tamping unit to operating conditions that are unfavorable due to the temperature. For example, when there is frost, the tamping tools are lowered into the ballast bed with a higher vibration frequency.
  • the method according to the invention for operating the described tamping unit provides that measurement data or measurement signals of the sensor are transmitted to a control device and that at least one drive of the tamping unit is controlled by the control device depending on the measurement data or measurement signals. Deviations from an optimal movement pattern are recognized immediately and lead to an adjustment of control signals in order to counteract disruptive influences or unfavorable operating conditions.
  • the tamping unit is operated in the raised state with predetermined movement sequences during a calibration process of the sensor.
  • the movements take place in a defined manner without being influenced by external influences Way instead, so that the measurement data or measurement signals supplied by the sensor can be matched with the expected results.
  • Tamping unit 1 shown comprises a unit frame 2, which is attached to a machine frame of a track construction machine not described in detail.
  • the attachment is carried out via two guides 3 for the lateral displacement of the tamping unit 1 relative to the machine frame.
  • the unit frame 2 can be attached to the machine frame such that it can rotate about a vertical axis of rotation, in order to allow the position of the tamping unit to be adjusted to a sleeper 5 of a track lying obliquely in a ballast bed 4, if necessary.
  • a tool carrier 6 is guided in a lowerable manner in the unit frame 2 , with a lowering or lifting movement taking place by means of an associated lifting drive 8 .
  • a vibration drive 9 is arranged on the tool carrier 6, to which two auxiliary drives 10 are connected.
  • Each auxiliary drive 10 is connected to a pivoting lever 11 . Both pivoting levers 11 are mounted on the tool carrier 6 such that they can be moved relative to one another about a horizontal pivoting axis 12 in each case.
  • a rotating eccentric drive for example, is used as the vibration drive 9, with an eccentricity specifying a vibration amplitude and being adjustable.
  • a rotational speed determines the oscillation frequency.
  • the respective auxiliary drive 10 is designed as a hydraulic cylinder and transmits the vibrations generated by the vibration drive 9 to the Pivoting lever 11.
  • the respective auxiliary drive 10 applies an ordering force to the associated pivoting lever 11 during a tamping operation.
  • an oscillating movement 14 is thus superimposed on an auxiliary movement 13 .
  • each ordering drive 10 can be designed together with a vibration drive 9 as a hydraulic cylinder.
  • a cylinder piston then executes both the positioning movement 13 and the oscillating movement 14 .
  • a tamping tool 15 (tamping pick) is arranged at the lower end of the respective pivoting lever 11 .
  • the tamping tools 15 penetrate the ballast bed 4 below a lower edge of the sleeper and compact the ballast under the relevant sleeper 5.
  • 1 shows the tamping unit 1 during such a phase of the tamping process.
  • the tamping tools 15 are reset and lifted out of the ballast bed 4 .
  • the tamping unit 1 is moved to the next threshold 5 and the tamping process begins again.
  • the vibrating movement 14 can be switched off during the resetting, lifting and further movement.
  • an oscillating movement 14 with a higher frequency than when laying is useful in order to reduce the resistance to penetration.
  • the tamping unit 1 is equipped with at least one sensor 16 for detecting movements. This delivers measurement data or measurement signals to a control device 17 which is set up to control the tamping unit 1 .
  • each pivoting lever 11 is assigned a sensor 16 .
  • the arrangement of a sensor 16 is in 2 apparent.
  • the sensor 16 includes a first sensor part 18 which is attached to the tool carrier 6 . Physically separate from this, a second sensor part 19 is attached to the associated pivoting lever 11 . There is an air gap 20 of a few millimeters, ideally 5 mm, between the first sensor part 18 and the second sensor part 19 .
  • the second sensor part 18 is on an outer surface of the associated pivoting lever 11 is arranged in the region of the pivot axis 12 so that it executes pure pivoting movements 21 about the pivot axis 12 in question.
  • the first sensor part 18 is arranged opposite the second sensor part 19 . Pivoting movements 21 guide the second pivoting part 19 past the first pivoting part 18 without changing the distance in the air gap 20 .
  • the first sensor part 18 comprises a magnetic sensor 22 facing the second sensor part 19 .
  • the second sensor part 19 comprises a permanent magnet 23 (diametrical magnet) as a passive component. Its north-south orientation runs in the direction of the pivoting movements 21 of the associated pivoting lever 11.
  • the permanent magnet 23 extends over a maximum pivoting range of the pivoting lever 11 (e.g. max. 22°) at the present fastening location of the permanent magnet 23. Thus, one surface of the permanent magnet remains 23 faces the magnetic sensor 22 over the entire pivoting range.
  • the magnetic sensor 22 detects the orientation of the magnetic field generated by the magnet 23 and calculates a current angular position of the magnet 23 or the pivoted lever 11 with respect to the magnetic sensor 22.
  • An angular zero position is specified in a configuration mode via a configuration menu.
  • a corresponding linearization factor is entered.
  • the first sensor part 18 comprises a bar code scanner and the second sensor part 19 is provided with a bar code.
  • a pivoting movement 21 of the pivoting lever 11 causes the bar code to be displaced in relation to the bar code scanner.
  • the actual vibration frequency of the tamping tools 15 is determined from an angle signal measured by the sensor 16 .
  • When lifting and moving the tamping unit 1 is the Exposed to vibration or further reduced (e.g. to 20Hz). These vibration values are continuously checked by means of the sensor 16 in order to make changes in the control of the tamping unit 1 in the event of deviations.
  • the magnetic sensor 22 is designed as an integrated component and is arranged on a printed circuit board 25 together with a microcontroller 24 .
  • a movement sensor 26 is arranged on the printed circuit board 25 . This is used to record all additional movements of the tamping unit 1. This is primarily the lowering or lifting movement 7 of the tool carrier 6 together with the swivel lever 11 and the tamping tools 15. But a lateral movement, a forward movement or a rotary movement of the tamping unit 1 are also recorded with this Motion sensor 26 detected.
  • the motion sensor 26 is also designed as an integrated component and includes three acceleration sensors and three gyroscopes.
  • the motion sensor 26 includes a DMP (Digital Motion Processor) and programmable digital low-pass filters for pre-processing the captured data.
  • 3 shows an exemplary axis orientation of the movement sensor 26. The positive directions of rotation result in accordance with the right-hand screw rule.
  • a respective acceleration measurement is carried out along the x, y and z axes. It makes sense to set several levels for the measuring range (e.g. ⁇ 2g, 4g, 8g, 16g). Angular velocities are measured around the x, y, and z axes. It is also useful to be able to set different measuring ranges for these measured values (e.g. ⁇ 250, 500, 1000, 2000dps).
  • plug contacts of a serial interface 27 are arranged on the printed circuit board 25 .
  • a data cable can be connected to these plug contacts in order to program or configure the sensor using a computer.
  • a suitable protocol is provided for this, with the sensor 16 being put into a configuration mode by means of a corresponding start command. After a configuration, a return to an operating mode takes place with an end command.
  • a bus interface 28 is arranged on the printed circuit board 25 .
  • a bus cable is connected to this bus interface 28 via soldering or screw contacts, and is routed to the outside via a housing bushing. Data communication with the control device 17 takes place via this bus interface 28 . Programming or reconfiguration of the sensor 16 is also possible via this bus interface 28 . It is advantageously a CAN interface to enable integration into an existing CAN bus of a track construction machine. External tools (CAN viewer) can be used to check whether the CAN interface is working.
  • All sensor values can be output separately from each other and at different time intervals on the bus interface.
  • digitized measurement data is output with a refresh rate that is far above the specified vibration frequencies of the tamping tools 15 .
  • the sensor 16 is also set up to output analog measurement signals.
  • a respective measured value is output as a voltage value between 0 and 10 volts, with a sufficiently high refresh rate (e.g. 1kHz) also being available here.
  • the bus cable 29 is favorably routed through the sealed housing bushing together with a supply line for the power supply of the first sensor part 18 .
  • the first sensor part 18 is connected via this line, for example, to a direct current on-board network (e.g. 24V DC) of a track-laying machine.
  • a direct current on-board network e.g. 24V DC
  • a multi-pole combined supply and interface cable can also be provided.
  • the circuit board 25 with the components 22 , 24 , 26 , 27 , 28 arranged thereon is accommodated in a housing 30 .
  • a cover 31 attached by means of screw connections closes the housing 30 tightly.
  • suitable rubber seals are fitted in the sealing gap of the cover and in the housing bushing for the bus cable 29 .
  • circuit board 25 and the electronic components 22, 24, 26, 27, 28 of the first sensor part 18 are additionally protected against moisture, dust and vibrations.
  • a temperature sensor 32 optionally arranged on the printed circuit board 25 is used to carry out temperature measurements and to adapt the control of the tamping unit 1 in the event of changed conditions.
  • the heat dissipation of the electronic components 22, 24, 26, 27, 28 may have to be taken into account.
  • a further advantageous extension of the sensor 16 relates to display elements 33.
  • various LEDs are arranged on the printed circuit board 25, which are visible through sealed recesses in the housing 30. This LED indicates whether the sensor 16 is running in normal operating mode, in configuration mode or in fault mode.
  • a separate display device can also be provided, which is connected to the sensor 16 via a cable.
  • the various sensors 22 , 26 , 32 and the display elements 33 are connected to the microcontroller 24 via conductor tracks on the printed circuit board 25 .
  • the microcontroller 24 reads the connected sensors 22, 26, 32 and preprocesses the measurement results.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
EP19755328.2A 2018-09-18 2019-08-13 Stopfaggregat und verfahren zum unterstopfen von schwellen eines gleises Active EP3853414B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA290/2018A AT521765B1 (de) 2018-09-18 2018-09-18 Stopfaggregat und Verfahren zum Unterstopfen von Schwellen eines Gleises
PCT/EP2019/071641 WO2020057865A1 (de) 2018-09-18 2019-08-13 Stopfaggregat und verfahren zum unterstopfen von schwellen eines gleises

Publications (2)

Publication Number Publication Date
EP3853414A1 EP3853414A1 (de) 2021-07-28
EP3853414B1 true EP3853414B1 (de) 2022-10-12

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ID=67660081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19755328.2A Active EP3853414B1 (de) 2018-09-18 2019-08-13 Stopfaggregat und verfahren zum unterstopfen von schwellen eines gleises

Country Status (14)

Country Link
US (1) US20210355638A1 (ja)
EP (1) EP3853414B1 (ja)
JP (1) JP7348290B2 (ja)
KR (1) KR102674704B1 (ja)
CN (1) CN112739872A (ja)
AT (1) AT521765B1 (ja)
AU (1) AU2019344992A1 (ja)
BR (1) BR112021005035A2 (ja)
CA (1) CA3108839A1 (ja)
EA (1) EA039562B1 (ja)
ES (1) ES2931451T3 (ja)
PL (1) PL3853414T3 (ja)
WO (1) WO2020057865A1 (ja)
ZA (1) ZA202100825B (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519934B1 (de) * 2017-05-03 2019-11-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Stopfaggregat zum Unterstopfen von Schwellen eines Gleises
WO2021191714A1 (en) 2020-03-25 2021-09-30 King Abdullah University Of Science And Technology Red palm weevil detection by applying machine learning to signals detected with fiber optic distributed acoustic sensing
AT17191U1 (de) * 2020-04-01 2021-08-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh System zum Bearbeiten eines Gleises
KR102367598B1 (ko) * 2021-10-20 2022-03-31 한국철도공사 굴삭기 장착형 철도궤도 자갈 다짐기

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
SU1114716A1 (ru) * 1983-06-27 1984-09-23 Новосибирский Институт Инженеров Железнодорожного Транспорта Рабочий орган дл уплотнени балласта железнодорожного пути
US7075427B1 (en) * 1996-01-12 2006-07-11 Eva Signal Corporation Traffic warning system
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
US6978718B2 (en) * 2004-03-04 2005-12-27 Seyrlehner Georg J Tamping device and method of tamping a railroad track's ballast
AT500972B1 (de) 2004-10-29 2006-05-15 Plasser Bahnbaumasch Franz Verfahren zum unterstopfen von schwellen
JP5022836B2 (ja) 2007-09-06 2012-09-12 ユニオン建設株式会社 タンピングツールによる道床バラストのつき固め方法
CN101782367A (zh) * 2010-01-30 2010-07-21 林颖 非接触式旋转角度传感器
CN202916644U (zh) * 2012-08-20 2013-05-01 山东科大中天安控科技有限公司 一种新型的煤矿用监控分站
AT513973B1 (de) * 2013-02-22 2014-09-15 System7 Railsupport Gmbh Stopfaggregat für eine Gleisstopfmaschine
CN103335665A (zh) * 2013-06-08 2013-10-02 淮南斯迈特汽车电子有限公司 非接触测量式车用节气门位置传感器
GB2524027A (en) * 2014-03-11 2015-09-16 Product Innovation Ltd Position monitoring system
SE538909C2 (sv) * 2014-04-15 2017-02-07 Eber Dynamics Ab Förfarande och anordning för att bestämma strukturella parametrar för ett järnvägsspår
JP6438691B2 (ja) 2014-07-01 2018-12-19 日本信号株式会社 軌道検査装置および軌道検査システム
EP3144639A1 (en) * 2015-09-16 2017-03-22 Monolithic Power Systems, Inc. Magnetic angular sensing system with side-shaft mounted sensor and method thereof
AT517999B1 (de) * 2015-11-20 2018-05-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Stopfaggregat und Verfahren zum Stopfen eines Gleises
AT518025A1 (de) 2015-12-10 2017-06-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Stopfaggregat und Verfahren zum Unterstopfen eines Gleises
AT518072B1 (de) * 2016-04-29 2017-07-15 Hp3 Real Gmbh Stopfaggregat für eine Gleisstopfmaschine
AT520056B1 (de) * 2017-05-29 2020-12-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Verfahren und Vorrichtung zum Verdichten eines Gleisschotterbetts
CN108708751B (zh) * 2018-07-15 2023-05-23 西安科技大学 一种煤矿钻锚机器人自主布网装置及方法
AT16726U1 (de) * 2018-09-13 2020-07-15 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Verfahren und Vorrichtung zum Unterstopfen von Schwellen eines Gleises

Also Published As

Publication number Publication date
ES2931451T3 (es) 2022-12-29
BR112021005035A2 (pt) 2021-06-08
KR102674704B1 (ko) 2024-06-12
KR20210061339A (ko) 2021-05-27
EA202100054A1 (ru) 2021-08-09
JP2022501535A (ja) 2022-01-06
CA3108839A1 (en) 2020-03-26
PL3853414T3 (pl) 2023-01-30
EP3853414A1 (de) 2021-07-28
ZA202100825B (en) 2022-09-28
EA039562B1 (ru) 2022-02-10
CN112739872A (zh) 2021-04-30
AT521765A1 (de) 2020-04-15
US20210355638A1 (en) 2021-11-18
WO2020057865A1 (de) 2020-03-26
JP7348290B2 (ja) 2023-09-20
AU2019344992A1 (en) 2021-02-18
AT521765B1 (de) 2021-06-15

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