EP3768893B1 - Schwingstopfmaschine zum verdichten eines schotterbetts eines gleises - Google Patents

Schwingstopfmaschine zum verdichten eines schotterbetts eines gleises Download PDF

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Publication number
EP3768893B1
EP3768893B1 EP18750363.6A EP18750363A EP3768893B1 EP 3768893 B1 EP3768893 B1 EP 3768893B1 EP 18750363 A EP18750363 A EP 18750363A EP 3768893 B1 EP3768893 B1 EP 3768893B1
Authority
EP
European Patent Office
Prior art keywords
vibration
tamping machine
drive motor
decoupling
electric drive
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
EP18750363.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3768893A1 (de
Inventor
Otto Widlroither
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.)
Robel Bahnbaumaschinen GmbH
Original Assignee
Robel 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 Robel Bahnbaumaschinen GmbH filed Critical Robel Bahnbaumaschinen GmbH
Priority to PL18750363.6T priority Critical patent/PL3768893T3/pl
Publication of EP3768893A1 publication Critical patent/EP3768893A1/de
Application granted granted Critical
Publication of EP3768893B1 publication Critical patent/EP3768893B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01B27/14—Manual tools or hand-held power tools therefor
    • 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
    • E01B27/20—Compacting the material of the track-carrying ballastway, e.g. by vibrating the track, by surface vibrators
    • 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
    • E01B2203/127—Tamping devices vibrating the track surface

Definitions

  • the invention relates to an oscillating tamping machine for compacting a ballast bed of a track according to the preamble of claim 1.
  • an electrically operated oscillating tamping machine which has a vibration decoupling device between handles for manually holding the oscillating tamping machine and a rotating unbalanced shaft with an unbalanced mass arranged thereon.
  • the transmission of the vibrations required for the compaction of the ballast bed or the ballast to the handles can be significantly reduced by the vibration decoupling device.
  • a device for compacting free-flowing materials by vibrating a flywheel mass comprises handles which are mounted on a drive motor by means of elastic intermediate elements.
  • the CN 2 608 542 Y discloses a track maintenance apparatus, in particular an electric hammer.
  • the invention is based on the object of creating a simply constructed and reliable vibrating tamping machine which is more user-friendly.
  • a vibrating tamping machine having the features of claim 1.
  • the term decoupling level is to be understood functionally in such a way that the vibration decoupling device means that the operating side is vibration-decoupled from the working side or the operating side is vibration-damped relative to the working side.
  • the term decoupling level is by no means to be understood strictly geometrically as a level.
  • the at least one handle for holding the oscillating tamping machine is arranged on the operator side. In contrast, the vibration mechanism and the electric drive motor are arranged on the working side.
  • both the forces or vibrations caused by the electric drive motor and the vibration mechanism are decoupled or damped by means of the vibration decoupling device, so that they are only strongly damped at the work at least one hand movement.
  • the electric drive motor is arranged on the working side, the mechanical connection with the vibration mechanism is simple and reliable. It is not necessary to guide a mechanical drive shaft through the decoupling plane and also to decouple or dampen vibrations transmitted via the mechanical drive shaft. Because there is no mechanical connection to drive the vibration mechanism through the decoupling level, the hand arm vibrations of an operator can be reduced and the ease of use increased.
  • the at least one handle can vibrate undisturbed at its own frequency, which reduces hand arm vibrations.
  • the vibration decoupling device is designed in particular in such a way that hand arm vibrations in the case of an operator do not exceed a limit value of 5 m/s 2 . By eliminating a mechanical connection through the decoupling level the oscillating tamping machine is simpler and more reliable because there are no components that are prone to failure.
  • the electric drive motor and/or the vibration mechanism are preferably arranged in a tube.
  • the tube is also known as a tamping pick tube.
  • the vibration mechanism is arranged in particular in a lower section of the tamping tine tube.
  • the tamping pick tube is preferably connected to the vibration decoupling device.
  • the electric drive motor is arranged in particular in the tamping tine tube between the vibration mechanism and the vibration decoupling device.
  • the vibration mechanism comprises in particular an imbalance which can be displaced exclusively radially to an axis of rotation of the drive motor in order to generate a vibration or oscillation.
  • the oscillating tamping machine is held manually by an operator and is therefore hand-held.
  • the at least one handle is used in particular for holding the oscillating tamping machine with both hands.
  • the oscillating tamping machine is also known as an oscillating tamper or manual tamper.
  • the oscillating tamping machine ensures a high level of operating comfort in a simple manner. Because the accumulator is arranged on the operating side, it forms a counterweight to the vibration mechanism and the electric drive motor, so that the accumulator brings about effective vibration damping or vibration decoupling on the at least one handle. The accumulator is also protected against vibrations from the vibration mechanism and the electric drive motor.
  • the accumulator is preferably attached to a support frame on which in turn, at least one handle and / or the vibration decoupling device are attached.
  • a vibrating tamping machine ensures a high level of operating comfort.
  • the at least one vibration damper is designed to be elastic, so that vibration decoupling or vibration damping is achieved.
  • the at least one vibration damper preferably comprises an elastomeric material, in particular a rubber material.
  • the vibration decoupling device has in particular at least two, in particular at least three and in particular at least four vibration dampers.
  • the vibration dampers are preferably arranged around an axis of rotation of the electric drive motor.
  • the decoupling plane is formed or defined by the at least one vibration damper.
  • a vibrating tamping machine ensures a high level of operating comfort in a simple manner. Due to the fact that the accumulator is attached to the support frame in an exchangeable manner, a discharged accumulator can be quickly and easily replaced by a charged accumulator during operation of the oscillating tamping machine and the operation of the oscillating tamping machine can be continued.
  • the handle connected to the accumulator is used on the one hand to change the accumulator and on the other hand to hold the vibrating tamping machine in operation. Due to the fact that the accumulator and the handle attached to it are arranged on the operating side, the handle attached to the accumulator is also vibration-decoupled or vibration-damped.
  • a vibrating tamping machine ensures a high level of reliability and ease of use. Because the controller is arranged on the operating side, this is protected from undamped forces or vibrations of the vibration mechanism and the electric drive motor, whereby the reliability of the vibrating tamping machine is high.
  • the control device comprises at least one operating element for activating the electric drive motor, which is attached in a simple manner to the vibration-decoupled or vibration-damped operating side near the at least one handle or to the at least one handle.
  • a vibrating tamping machine ensures a high level of operating comfort in a simple manner. Due to the fact that only lines run through the decoupling plane, ie no mechanical connection for driving the vibration mechanism runs through the decoupling plane, optimal vibration decoupling or vibration damping is made possible. In particular, the lines are designed to be flexible. Lines are electrical lines for controlling and supplying energy to the electric drive motor and optionally a cooling device and optionally at least one coolant line. Since the accumulator is on the operating side and the electric drive motor is arranged on the working side together with the vibration mechanism, it is sufficient for only electrical lines for control and for the energy supply and possibly at least one coolant line to run through the decoupling level. The lines essentially do not transmit any forces or vibrations from the working side to the operating side.
  • a vibrating tamping machine ensures high reliability.
  • the electric drive motor and/or the vibration mechanism is used during operation of the oscillating tamping machine generated heat easily dissipated, so that the electric drive motor and / or the vibration mechanism are sufficiently cooled.
  • the cooling device is arranged on the operating side and/or on the working side, so that only at least one electrical line and/or at least one coolant line runs through the decoupling plane for the operation of the cooling device.
  • the cooling device is, for example, an electrically operated fan and uses air as a coolant.
  • the cooling device includes, for example, a pump and a cooler for conveying and cooling a liquid as a coolant.
  • a vibrating tamping machine ensures a high level of reliability and ease of use in a simple manner.
  • the tube or tamping tine tube which is arranged between the vibration decoupling device and a free end of the oscillating tamping machine, has a length L.
  • the tamping tine tube can be designed in one piece or in multiple parts.
  • the tamping tube has an upper section and a lower section.
  • the upper section has a length L 0 , where the following applies: LO ⁇ 0.7 L, in particular LO ⁇ 0.5 L, and in particular LO ⁇ 0.3 L.
  • the vibration tamping machine enables efficient operation using the vibration mechanism.
  • the electric drive motor is arranged comparatively close to the decoupling plane and to an end of the tamping pick tube connected to the vibration decoupling device, so that maintenance and, if necessary, cooling of the electric drive motor is easily possible.
  • a vibrating tamping machine ensures a simple structure and a high level of operating comfort.
  • the tube or tamping tine tube which is arranged between the vibration decoupling device and a free end of the oscillating tamping machine, has a length L.
  • the tamping tine tube can be designed in one piece or in multiple parts.
  • the tamping tube has an upper section and a lower section.
  • the lower section has a length L U , where: L U ⁇ 0.3 L, in particular L U ⁇ 0.5 L, and in particular L U ⁇ 0.7 L.
  • An electrically operated oscillating tamping machine 1 has an electric drive motor 2 which is connected to a vibration mechanism 4 via a drive shaft 3 .
  • the vibration mechanism 4 includes, for example, an imbalance that vibrates exclusively radially to an axis of rotation 5 of the drive motor 2 .
  • the vibration mechanism 4 is known and customary.
  • the electric drive motor 2, the drive shaft 3 and the vibration mechanism 4 are arranged in a tube or tamping pick tube 6.
  • the tamping pick tube 6 has an axial length L and is divided into an upper Section 7 and a lower section 8 divided.
  • the upper section 7 has an axial length Lo
  • the lower section 8 has an axial length L U .
  • the following preferably applies to the length L O : L O ⁇ 0.7 L, in particular L O ⁇ 0.5 L, and in particular L O ⁇ 0.3 L.
  • the length L U L U ⁇ 0.3 L , in particular L U ⁇ 0.5 L, and in particular L U ⁇ 0.7 L.
  • the tamping tool tube 6 comprises a tubular base body 9 to which a tamping tool 10 is attached in an exchangeable manner.
  • the tamping tool 10 has, for example, a plurality of tamping plates 11 distributed over the circumference and extending radially.
  • the electric drive motor 2 is arranged in the upper section 7 and outside of the lower section 8 at an end of the tamping pick tube 6 that faces away from the tamping tool 10 .
  • the vibration mechanism 4 is arranged near the tamping tool 10 in the lower section 8 and outside the upper section 7 .
  • the drive shaft 3 is mounted in the tamping pick tube 6 by means of a bearing 15 .
  • the oscillating tamping machine 1 also includes a support frame 12 on which a first handle 13 and a second handle 14 are arranged laterally.
  • An accumulator 16 is attached to the support frame 12 in an exchangeable manner.
  • the accumulator 16 is connected to a third handle 17 .
  • the accumulator 16 supplies the electric drive motor 2 and a control device 18 with electrical energy.
  • the control device 18 comprises a controller 19 which is attached to the support frame 12 and an operating unit 20 which is arranged on the handles 13, 14.
  • the operating unit 20 has, for example, at least one operating element for activating the electric drive motor 2 .
  • the vibrating tamping machine 1 has a vibration decoupling device 21 for vibration decoupling of the handles 13 , 14 , 17 from the vibration mechanism 4 and the electric drive motor 2 .
  • the vibration decoupling device 21 comprises an operator-side fastening element 22 which is fastened to the support frame 12 and working-side fastening elements 23 which are fastened to the tamping pick tube 6 .
  • the vibration decoupling device 21 also includes a plurality of first vibration dampers 24 which connect the operator-side fastening element 22 to the working-side fastening elements 23 .
  • the oscillating tamping machine 1 has four vibration dampers 24 which are arranged around the axis of rotation 5 of the electric drive motor 2 .
  • the vibration decoupling device 21 comprises a plurality of second vibration dampers 25 which connect the handles 13 , 14 to the fastening element 22 on the operator side and the support frame 12 .
  • the vibration dampers 24, 25 are made of an elastomeric material, for example a rubber material.
  • the vibration decoupling device 21 or the vibration dampers 24 form a decoupling plane E, which decouples a working side 26 from an operating side 27 .
  • the tamping pick tube 6, the electric drive motor 2, the drive shaft 3 and the vibration mechanism 4 are arranged on the working side 26.
  • the support frame 12 with the handles 13, 14 and the accumulator 16 with the handle 17 and the control device 18 are arranged on the operating side 27.
  • the oscillating tamping machine 1 is used to compact a ballast bed S of a track, in particular below the sleepers of the track.
  • the electric drive motor 2 is controlled by an operator by means of the control device 18 in such a way that the ballast bed S is compacted in the desired manner by means of the tamping tool 10 located in the ballast bed S.
  • the operator holds the vibrating tamping machine 1 with both hands, for example by the handles 13 and 14.
  • the vibration decoupling device 21 effectively dampens forces or vibrations caused by the electric drive motor 2 and the vibration mechanism 4, so that the working side 26 is vibration-decoupled from the operating side 27 .
  • the accumulator 16 acts as a counterweight on the operating side 27 and causes effective vibration damping.
  • the accumulator 16 If the accumulator 16 is discharged, it can easily be exchanged using the handle 17 and replaced by a charged accumulator 16 . Due to the fact that the control device 18 is arranged on the operating side 27, it is protected against vibration.
  • the electric drive motor 2 is arranged in the lower section 8 , ie outside of the upper section 7 of the tamping pick tube 6 .
  • the electric drive motor 2 is connected directly to the vibration mechanism 4, so that no additional drive shaft and an associated bearing are required.
  • the oscillating tamping machine 1 further comprises a cooling device 30 with a cooler 31, a pump 32 and a coolant line 33.
  • the cooler 31 and the pump 32 are arranged on the support frame 12 on the operating side 27.
  • the coolant line 33 leads from the cooler 31 and the pump 32 through the decoupling level E into the tamping tine tube 6 and to the drive motor 2 and the vibration mechanism 4.
  • a coolant is pumped through the coolant line 33 by means of the pump 32, so that the drive motor 2 and The heat generated by the vibration mechanism 4 is discharged from the tamping pick tube 6 and conveyed to the cooler 31 .
  • the heat supplied to the coolant is dissipated back into the environment by means of the cooler 31 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Road Paving Machines (AREA)
  • Railway Tracks (AREA)
EP18750363.6A 2018-07-25 2018-07-25 Schwingstopfmaschine zum verdichten eines schotterbetts eines gleises Active EP3768893B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18750363.6T PL3768893T3 (pl) 2018-07-25 2018-07-25 Wibracyjna maszyna podbijająca do zagęszczania podłoża tłuczniowego toru kolejowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/070125 WO2020020448A1 (de) 2018-07-25 2018-07-25 Schwingstopfmaschine zum verdichten eines schotterbetts eines gleises

Publications (2)

Publication Number Publication Date
EP3768893A1 EP3768893A1 (de) 2021-01-27
EP3768893B1 true EP3768893B1 (de) 2023-03-01

Family

ID=63113492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18750363.6A Active EP3768893B1 (de) 2018-07-25 2018-07-25 Schwingstopfmaschine zum verdichten eines schotterbetts eines gleises

Country Status (11)

Country Link
US (1) US12116733B2 (da)
EP (1) EP3768893B1 (da)
JP (1) JP7179955B2 (da)
CN (1) CN112243470B (da)
AU (1) AU2018433553A1 (da)
DK (1) DK3768893T3 (da)
EA (1) EA202092780A1 (da)
ES (1) ES2941990T3 (da)
FI (1) FI3768893T3 (da)
PL (1) PL3768893T3 (da)
WO (1) WO2020020448A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7499517B2 (ja) 2021-11-18 2024-06-14 伊岳商事株式会社 ハンドタイタンパー

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* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
ES2941990T3 (es) 2023-05-29
DK3768893T3 (da) 2023-05-08
JP2021532293A (ja) 2021-11-25
JP7179955B2 (ja) 2022-11-29
CN112243470A (zh) 2021-01-19
AU2018433553A1 (en) 2020-11-26
PL3768893T3 (pl) 2023-06-05
US20210230810A1 (en) 2021-07-29
CN112243470B (zh) 2022-10-28
WO2020020448A1 (de) 2020-01-30
EP3768893A1 (de) 2021-01-27
EA202092780A1 (ru) 2021-03-01
FI3768893T3 (fi) 2023-05-29
US12116733B2 (en) 2024-10-15

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