EP3765670B1 - Schienen-schleifmaschine zum schleifen von schienen eines gleises - Google Patents

Schienen-schleifmaschine zum schleifen von schienen eines gleises Download PDF

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Publication number
EP3765670B1
EP3765670B1 EP18742708.3A EP18742708A EP3765670B1 EP 3765670 B1 EP3765670 B1 EP 3765670B1 EP 18742708 A EP18742708 A EP 18742708A EP 3765670 B1 EP3765670 B1 EP 3765670B1
Authority
EP
European Patent Office
Prior art keywords
frame
cross slide
guide
grinding
machine
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
EP18742708.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3765670C0 (de
EP3765670A1 (de
Inventor
Clemens KÜHNEL
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 PL18742708.3T priority Critical patent/PL3765670T3/pl
Publication of EP3765670A1 publication Critical patent/EP3765670A1/de
Application granted granted Critical
Publication of EP3765670C0 publication Critical patent/EP3765670C0/de
Publication of EP3765670B1 publication Critical patent/EP3765670B1/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
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/004—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding rails, T, I, H or other similar profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/08—Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B31/00—Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor
    • E01B31/02—Working rail or other metal track components on the spot
    • E01B31/12—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
    • E01B31/17—Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding

Definitions

  • the invention relates to a rail grinding machine for grinding rails of a track according to the preamble of claim 1.
  • the grinding machine has a cross slide that is movably mounted on a machine frame.
  • An intermediate frame is fastened to the cross slide, on which a motor frame is mounted so that it can be adjusted in height and pivoted about a vertical axis.
  • the grinding unit is pivotably mounted on the motor frame.
  • a rail grinding machine which comprises a machine frame which can be moved on rails.
  • a cross slide is slidably mounted on the machine frame, on which a height-adjustable grinding unit is arranged.
  • From the CN 106 192 630 A discloses a rail grinding machine with a machine frame that can be moved on rails and on which a cross slide is movably mounted. Another cross slide is displaceably mounted on the cross slide by means of a spindle. A height adjustment device with a grinding unit arranged on it is fastened to the further cross slide.
  • the invention is based on the object of creating a rail grinding machine of simple and stable construction, which allows the grinding unit to be adjusted flexibly.
  • the cross slide includes a closed cross slide frame, the cross slide is extremely stable, so that the grinding unit can be flexibly adjusted and stably arranged on the cross slide in a simple manner.
  • the cross slide frame forms a closed annular body that is more stable than a U-shaped body known from the prior art.
  • the cross slide frame extends in the longitudinal direction and in the transverse direction. Thanks to the closed cross slide frame, the cross slide can easily be used to arrange the flexibly adjustable grinding unit.
  • the cross slide frame extends in the longitudinal direction, which corresponds to a displacement direction of the rail grinding machine and is also referred to below as the x-direction. Furthermore, the closed cross slide frame extends in the transverse direction, which runs perpendicularly to the longitudinal direction and is also referred to below as the y-direction. A vertical direction that runs perpendicular to the longitudinal direction and the transverse direction is also referred to below as the z-direction.
  • the x, y and z directions form a Cartesian coordinate system.
  • the guide frame ensures a simple and stable structure as well as flexible adjustability of the grinding unit.
  • the guide frame enables the grinding unit to be arranged in a simple manner in such a way that the grinding unit can be pivoted about a pivot axis and is linearly adjustable in a vertical direction.
  • the guide frame is pivotably mounted on the cross slide.
  • the guide frame is arranged in particular on the closed cross slide frame, so that the guide frame additionally stiffens the cross slide frame.
  • the grinding unit is preferably mounted on the guide frame on two sides, in particular by means of a grinding unit carrier.
  • the guide frame is pivotably mounted on the cross slide frame, so that the grinding unit can be linearly displaced in the vertical direction and pivoted about a pivot axis.
  • the guide frame can preferably be pivoted by at least 60°, in particular by at least 90°, and in particular by at least 120° about the pivot axis.
  • the guide frame is preferably mounted on the closed cross slide frame by means of two pivot bearings.
  • the guide frame has, for example, two guide columns which are pivotably mounted on the closed cross slide frame.
  • the guide frame can be pivoted about the pivot axis, in particular by means of a guide frame drive.
  • the guide frame drive can be actuated manually, for example.
  • the guide frame drive includes, for example, a spindle drive or a rack and pinion drive.
  • a rail grinding machine ensures a simple and stable construction.
  • the closed cross slide frame is formed in a simple manner by the cross beams and the longitudinal beams.
  • the cross members extend in the transverse direction and are spaced from one another in the longitudinal direction. In particular, the cross members run parallel to one another.
  • the longitudinal members connect the cross members to one another.
  • the side rails extend in the longitudinal direction and are spaced from one another in the transverse direction.
  • the longitudinal members run parallel to one another.
  • the crossbeams and the longitudinal beams are preferably connected to one another at the ends, so that the closed cross slide frame has a rectangular shape in a plan view.
  • a rail grinding machine ensures a simple and stable structure and flexible adjustability of the grinding unit.
  • the cross carriage comprises first cross carriage guide rollers which are arranged above second cross carriage guide rollers when viewed in the vertical direction.
  • the first cross carriage guide rollers bear against an upper side of the machine frame, whereas the second cross carriage guide rollers bear against an underside of the machine frame.
  • the machine frame thus runs—viewed in the vertical direction—between the first cross slide guide rollers and the second cross slide guide rollers.
  • at least two first cross slide guide rollers and at least one second cross slide guide roller are arranged on each of the cross beams of the cross slide frame, so that the cross slide is guided exactly and stably or without play on the machine frame.
  • the cross slide guide rollers are in particular designed to be self-centering, so that they center or align themselves on the machine frame due to their cross-sectional shape.
  • the rail grinding machine preferably has a cross slide spindle drive, which can be actuated manually, for example.
  • a rail grinding machine ensures a simple and stable structure and flexible adjustability of the grinding unit.
  • the guide columns and the connection beam connecting them preferably form a U-shape.
  • the guide columns are arranged, in particular at the ends, on the closed cross slide frame.
  • the guide columns are preferably articulated in a pivotable manner on the crossbeams.
  • the guide columns run parallel to one another and enable the grinding unit to be arranged in a linearly adjustable manner.
  • the connecting beam connects and stabilizes the guide columns.
  • a grinding unit spindle drive for linearly displacing the grinding unit in the vertical direction is fixed to the connecting bracket.
  • the grinding unit spindle drive can be actuated manually, for example.
  • the connecting support connects the guide columns at an end of the guide frame facing away from the cross slide, so that the grinding unit arranged on the guide frame has free access to the rail.
  • a rail grinding machine ensures a simple and stable structure.
  • the grinding unit support is slidably mounted on the guide frame and easily stabilizes the guide frame.
  • the grinding unit carrier preferably has two carrier columns which are guided on both sides on the guide frame, in particular on the associated guide columns.
  • the grinding unit carrier preferably has a fixing device so that the grinding unit can be fixed in a desired grinding position relative to the guide frame.
  • a rail grinding machine ensures a simple and stable structure. Due to the fact that the grinding unit carrier comprises a closed carrier frame, the grinding unit can be fastened easily and stably and the guide frame can also be stabilized.
  • the support frame comprises two support columns, which essentially run in the vertical direction and are slidably mounted on the guide columns. Preferably the support columns are tubular, so that they are guided in a simple and reliable manner on the guide columns.
  • the guide columns each extend through one of the support columns.
  • the support columns are connected to each other by longitudinal beams.
  • the longitudinal beams extend essentially in the longitudinal direction and are arranged at a distance from one another in the vertical direction.
  • the longitudinal beams essentially connect the support columns at the ends.
  • the grinding unit is fastened to a first longitudinal beam facing the cross slide.
  • the grinding unit is fixed relative to the grinding unit carrier, ie it cannot be displaced.
  • a grinding unit spindle drive for displacing the grinding unit carrier in the vertical direction is fastened to a second longitudinal support facing away from the cross slide.
  • the closed support frame delimits an interior space in which a drive motor of the grinding unit is arranged at least partially.
  • a rail grinding machine ensures a simple and stable structure and flexible adjustability of the grinding unit. Due to the fact that the grinding unit carrier is mounted displaceably on the guide columns, the guide frame and the grinding unit carrier are stabilized. The grinding unit can be adjusted in a simple and flexible manner for processing the respective rail by means of the cross slide, the guide frame and the grinding unit carrier.
  • a rail grinding machine 1 is used for grinding one rail 2 of a track and has a machine frame 3 which is guided on the rail 2 via guide rollers 4 .
  • the machine frame 3 is supported by a cross arm 5 on the other rail 2 of the track via guide rollers 4 .
  • a handle 6 is arranged on the machine frame 3 by means of which the grinding machine 1 can be moved manually on the rails 2 .
  • the guide rollers 4 define a displacement direction of the grinding machine 1, which is also referred to below as the longitudinal direction or x-direction.
  • the machine frame 3 has longitudinal machine frame members 7, 8 and cross machine frame members 9, 10 which are connected to each other so that the machine frame 3 has a closed shape.
  • the machine frame side members 7, 8 extend in the x-direction and are spaced from one another in a y-direction perpendicular to the x-direction.
  • the y-direction is also referred to below as the transverse direction.
  • the machine frame cross members 9, 10 run in the y-direction and are spaced apart from one another in the x-direction.
  • the machine frame cross members 9, 10 are fixed at the ends to the machine frame side members 7, 8, so that the machine frame 3 has a rectangular shape.
  • the transverse boom 5 is arranged in a telescopically displaceable manner in the machine frame crossbeams 9, 10, so that the guide rollers 4 are spaced apart from one another in the y-direction in a variable manner.
  • a cross slide 11 is mounted on the machine frame 3 .
  • the cross slide 11 can be displaced in the y direction relative to the machine frame 3 by means of a cross slide spindle drive 12 .
  • the cross slide 11 has a closed cross slide frame 13 which is formed by longitudinal beams 14, 15 and by cross beams 16, 17.
  • the longitudinal beams 14, 15 extend in the x-direction and are spaced from one another in the y-direction.
  • the longitudinal beams 14, 15 are connected to one another at the ends by means of the cross beams 16, 17, so that the cross slide frame 13 has a rectangular shape in plan view.
  • the crossbeams 16, 17 extend in the y-direction and are spaced apart from one another in the x-direction.
  • the cross members 16, 17 each comprise a first section 18 which connects the longitudinal members 14, 15 to one another, and a second section 19 which extends downwards approximately centrally from the respective first section 18 - viewed in a vertical direction.
  • the vertical direction is also referred to below as the z direction and runs perpendicular to the x and y directions.
  • the x, y and z directions thus form a Cartesian coordinate system.
  • first cross slide guide rollers 20 are rotatably mounted on the respective cross member 16 , 17 on both sides of the associated second section 19 .
  • a second cross slide guide roller 21 rotatably mounted on the respective cross member 16, 17.
  • the first cross slide guide rollers 20 are mounted at a distance from the second cross slide guide rollers 21 in the z-direction, so that the first cross slide guide rollers 20 rest on an upper side of the machine frame 3, whereas the second cross slide guide rollers 21 rest on an underside of the machine frame 3 issue.
  • the cross slide guide rollers 20, 21 have a self-centering cross-sectional shape, so that the cross slide 11 is guided on the machine frame 3 in a self-centering manner.
  • the cross slide spindle drive 12 is attached to the cross slide 11 and the machine frame 3 and can be actuated manually by means of a hand wheel 22, so that the cross slide 11 can be displaced in the y-direction.
  • a guide frame 23 is mounted on the cross slide 11 such that it can pivot about a pivot axis 24 .
  • the guide frame 23 comprises two guide columns 25, 26 and a connecting beam 27 connecting the guide columns 25, 26.
  • the guide columns 25, 26 are arranged at the ends on one of the second sections 19 of the cross beams 16, 17 in each case.
  • the guide columns 25, 26 are connected to the cross slide frame 13 by means of a respective pivot bearing 28, 29.
  • the pivot bearings 28, 29 comprise pivot pins which, starting from the second sections 19, extend through associated bores in the guide columns 25, 26 and thus form the pivot axis 24.
  • the pivot axis 24 runs parallel to the x-direction.
  • the closed cross slide frame 13 delimits--seen in plan view--an interior space in which the guide frame 23 is mounted.
  • the guide columns 25, 26 run parallel to one another and are connected at an end opposite the pivot axis 24 by means of the connecting beam 27.
  • the guide frame 23 thus has a U-shape.
  • the grinding machine 1 has a guide frame drive 30 for pivoting the guide frame 23 .
  • the guide frame drive 30 is attached to the cross slide 11 and the guide frame 23 and can be actuated manually by means of a hand wheel 31 .
  • the guide frame 23 can be pivoted relative to the cross slide 11 by at least 60°, in particular by at least 90°, and in particular by at least 120° about the pivot axis 24 .
  • the grinding machine 1 has a grinding unit 32 which is mounted on the guide frame 23 by means of a grinding unit carrier 33 .
  • the grinding unit 32 can thus be displaced in the y-direction by means of the cross slide 11 and pivoted about the pivot axis 24 by means of the guide frame 23 .
  • the grinding unit support 33 is arranged on the guide frame 23 so as to be displaceable in the z-direction.
  • the grinding unit carrier 33 comprises a closed carrier frame 34.
  • the carrier frame 34 is formed by carrier columns 35, 36 and longitudinal carriers 37, 38 connecting them.
  • the support columns 35, 36 are tubular.
  • the guide columns 25, 26 each extend through one of the support columns 35, 36, so that they are displaceably guided on the guide columns 25, 26.
  • the support columns 35, 36 are connected at the end by the longitudinal supports 37, 38, so that the support frame 34 forms the closed shape.
  • the longitudinal beams 37, 38 extend in the x-direction and are spaced apart from one another in the z-direction.
  • the grinding unit 32 is fixed, ie not displaceable, to the first longitudinal beam 37 facing the cross slide 11 .
  • the grinding machine 1 has a grinding unit spindle drive 39 on which Connecting beam 27 and is attached to the second longitudinal beam 38 which faces away from the cross slide 11.
  • the grinding unit spindle drive 39 can be actuated manually by means of a hand wheel 40 .
  • the grinding unit 32 has a drive motor 41 and a grinding tool 42 which can be driven in rotation about an axis of rotation 43 by means of the drive motor 41 .
  • the grinding tool 42 is arranged below the longitudinal beam 37
  • the drive motor 41 is arranged above the longitudinal beam 37 .
  • the drive motor 41 extends at least partially into an interior space that is delimited by the support frame 34 .
  • the grinding machine 1 Due to the closed machine frame 3, the closed cross slide frame 13 and the closed carrier frame 34, the grinding machine 1 has a simple and stable construction.
  • the grinding unit 32 can be flexibly adjusted for grinding rails 2 by means of the linearly displaceable cross slide 11 , the pivotable guide frame 23 and the linearly displaceable grinding unit carrier 33 or carrier frame 34 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Machine Tool Units (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
EP18742708.3A 2018-06-15 2018-06-15 Schienen-schleifmaschine zum schleifen von schienen eines gleises Active EP3765670B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL18742708.3T PL3765670T3 (pl) 2018-06-15 2018-06-15 Szlifierka do szyn do szlifowania szyn torowych

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2018/066001 WO2019238247A1 (de) 2018-06-15 2018-06-15 Schienen-schleifmaschine zum schleifen von schienen eines gleises

Publications (3)

Publication Number Publication Date
EP3765670A1 EP3765670A1 (de) 2021-01-20
EP3765670C0 EP3765670C0 (de) 2023-06-07
EP3765670B1 true EP3765670B1 (de) 2023-06-07

Family

ID=62952033

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18742708.3A Active EP3765670B1 (de) 2018-06-15 2018-06-15 Schienen-schleifmaschine zum schleifen von schienen eines gleises

Country Status (8)

Country Link
US (1) US20210237222A1 (ru)
EP (1) EP3765670B1 (ru)
JP (1) JP7275170B2 (ru)
CN (2) CN113463454A (ru)
AU (1) AU2018427985A1 (ru)
EA (1) EA202092167A1 (ru)
PL (1) PL3765670T3 (ru)
WO (1) WO2019238247A1 (ru)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110983882B (zh) * 2019-12-28 2020-09-04 南京溧水高新创业投资管理有限公司 一种可适应不同距离铁轨的铁轨打磨装置
DE102021204878A1 (de) * 2021-05-12 2022-11-17 Robel Bahnbaumaschinen Gmbh Schienen-Schleifmaschine und Verfahren zum Schleifen von Schienen eines Gleises
DE102021204880A1 (de) * 2021-05-12 2022-11-17 Robel Bahnbaumaschinen Gmbh Schienen-Schleifmaschine und Verfahren zum Schleifen von Schienen eines Gleises
CN117020846B (zh) * 2023-09-26 2024-03-22 山东伟鹏自动化科技有限公司 一种车床导轨磨削加工设备

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CN108166341B (zh) * 2018-01-06 2019-04-19 北京铁路局保定工务段 一种轨廓轨迹数控精磨机

Also Published As

Publication number Publication date
PL3765670T3 (pl) 2023-10-09
EP3765670C0 (de) 2023-06-07
US20210237222A1 (en) 2021-08-05
CN113463454A (zh) 2021-10-01
AU2018427985A1 (en) 2020-11-19
CN111971434A (zh) 2020-11-20
JP7275170B2 (ja) 2023-05-17
WO2019238247A1 (de) 2019-12-19
JP2021531983A (ja) 2021-11-25
EP3765670A1 (de) 2021-01-20
CN111971434B (zh) 2021-10-29
EA202092167A1 (ru) 2021-02-26

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