EP0761882A1 - Machine pour l'exécution de travaux de voie ferrée - Google Patents

Machine pour l'exécution de travaux de voie ferrée Download PDF

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Publication number
EP0761882A1
EP0761882A1 EP96111983A EP96111983A EP0761882A1 EP 0761882 A1 EP0761882 A1 EP 0761882A1 EP 96111983 A EP96111983 A EP 96111983A EP 96111983 A EP96111983 A EP 96111983A EP 0761882 A1 EP0761882 A1 EP 0761882A1
Authority
EP
European Patent Office
Prior art keywords
oil
machine
oil cooler
drive shaft
hydraulic line
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
EP96111983A
Other languages
German (de)
English (en)
Other versions
EP0761882B1 (fr
Inventor
Josef Hertelendi
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
Georg Robel GmbH and Co
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 Georg Robel GmbH and Co filed Critical Georg Robel GmbH and Co
Priority to DE29623717U priority Critical patent/DE29623717U1/de
Publication of EP0761882A1 publication Critical patent/EP0761882A1/fr
Application granted granted Critical
Publication of EP0761882B1 publication Critical patent/EP0761882B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
    • E01B29/28—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes

Definitions

  • the invention relates to a machine for performing track superstructure work, with a machine frame provided by a handle for manual displacement along a track and supported on a wheel flange, a work unit which can be set into a working movement by an oil motor, an internal combustion engine, one with an oil pump and the oil motor connected hydraulic line and with a ventilated oil cooler.
  • Such a hydraulic screwing machine known from DE 29 43 938 A1 has an adjustable hydraulic pump and an oil motor which is connected coaxially to a screwing head and drives it directly.
  • the oil flow is infinitely adjustable with the aid of a flow rate regulator, whereby a pressure regulator switches the pump to circulation to avoid torque peaks when a desired pressure is reached.
  • a pressure regulator switches the pump to circulation to avoid torque peaks when a desired pressure is reached.
  • the object of the present invention is to create a machine of the generic type which enables improved handling by reducing the machine mass while maintaining the hydraulic system as the drive medium for the working unit.
  • this object is achieved with a machine of the type described in the introduction in that the oil cooler is formed by a section of the hydraulic line in which the hydraulic line is guided spirally around a fan.
  • the mass for the oil tank can be saved and the cooling itself can be simplified even with further mass reduction, since with this oil cooler design also for the hydraulic circuit less oil is required, mass can also be saved in this regard.
  • a machine 1 shown in FIG. 1 for carrying out screwing work on the track superstructure has a machine frame 2 which is movably connected via a joint 3 to a chassis 4 both about a vertical axis and about a horizontal axis running in the transverse direction of the track.
  • This undercarriage 4 can be rolled off on a rail 6 of a track 7 via two double track roller wheels 5.
  • the rails 6 rest on rib plates 8 and are connected to sleepers 10 by means of rail fastening screws 9.
  • An internal combustion engine 11 and an oil pump 12 in the form of a gear pump are fastened on the machine frame 2 and are arranged on one longitudinal end of the machine frame 2 for reasons of balance.
  • a screw head 13 which has a vertical screw spindle 14 and is connected via an angular gear 15 to a horizontally running drive shaft 16 of a first oil motor 17.
  • the angular gear 15 is equipped with a turning stage which enables the direction of rotation of the screw spindle 14 to be reversed.
  • a handle 18 connected to the machine frame 2 is used to manually raise or lower the end of the machine frame 2 having the screw head 13 around the joint 3 and also to move the machine 1 to the next screwing point.
  • a second oil motor 19 is provided for optional additional torque transmission to the screw head 13 and is connected to a housing 20 of a transmission 21.
  • This single-stage gear 21 has a free wheel 22 arranged coaxially around the drive shaft 16, which is in permanent engagement with a drive pinion 23 of the second oil motor 19 and allows the drive shaft 16 to rotate independently of the gear 21 through the first oil motor 17.
  • Both oil motors 17, 19 are connected to the oil pump 12 via hydraulic lines 34. These hydraulic lines are composed of a working line 24 and a return line 25.
  • a section 35 of the return line 25 of the hydraulic line 34 adjoining the oil pump 12 is guided spirally around a fan 37 to form an oil cooler 36.
  • this fan 37 is fastened to a drive shaft 38 of the oil pump 12.
  • the section 35, which is spirally wound and forms the oil cooler 36, is cylindrical, the drive shaft 38 running coaxially with a longitudinal axis 39 of the cylindrical oil cooler 36.
  • the suction side of the second oil motor 19 is connected to the working line 24 and thereby to the oil pump 12 via a supply line 27 in which a connection valve 28 is arranged.
  • This is designed as a pilot-operated pressure relief valve 29, which is activated or opened when a predetermined pressure in the working line 24 is reached.
  • the supply line 27 is connected to the return line 25 via a line 30 which contains a pressure control valve 31. This is also pre-controlled and switches to circulation when a predetermined pressure in the feed line 27 is reached.
  • a circulation valve 32 is provided between the working line 24 and the return line 25, with which both oil motors 17, 19 can be taken out of operation while the oil pump 12 is running.
  • the rotation of the screw spindle 14, which is generally also referred to as the working unit 40, is initiated by actuating an operating switch 33 and actuating the first oil motor 17.
  • an operating switch 33 As soon as the screw has been tightened, the pressure in the working line 24 rises.
  • the pilot-operated switching valve 28 or pressure limiting valve opens 29 automatically and the second oil motor 19 is connected in parallel to the first oil motor 17.
  • a small expansion tank 41 is provided in the hydraulic line 34.
  • a grinding tool, a drill or another tool which can be used in conjunction with a manually displaceable track construction machine can also be used as the working unit 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Transplanting Machines (AREA)
  • Soil Working Implements (AREA)
  • Road Paving Machines (AREA)
  • Lubricants (AREA)
EP96111983A 1995-09-06 1996-07-25 Machine pour l'exécution de travaux de voie ferrée Expired - Lifetime EP0761882B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29623717U DE29623717U1 (de) 1995-09-06 1996-07-25 Maschine zur Durchführung von Gleisoberbauarbeiten

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19532827 1995-09-06
DE19532827A DE19532827A1 (de) 1995-09-06 1995-09-06 Maschine zur Durchführung von Gleisoberbauarbeiten

Publications (2)

Publication Number Publication Date
EP0761882A1 true EP0761882A1 (fr) 1997-03-12
EP0761882B1 EP0761882B1 (fr) 2001-01-24

Family

ID=7771365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96111983A Expired - Lifetime EP0761882B1 (fr) 1995-09-06 1996-07-25 Machine pour l'exécution de travaux de voie ferrée

Country Status (5)

Country Link
EP (1) EP0761882B1 (fr)
AT (1) ATE198918T1 (fr)
DE (2) DE19532827A1 (fr)
DK (1) DK0761882T3 (fr)
ES (1) ES2155553T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111254763A (zh) * 2020-01-19 2020-06-09 绍兴华阳铁路器材有限公司 液压起拔道器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8222005B2 (en) * 2003-09-17 2012-07-17 Agency For Science, Technology And Research Method for gene identification signature (GIS) analysis
DE102012017270B4 (de) * 2012-08-31 2017-06-22 Deutsche Bahnbaugruppe GmbH Schienenwagen zur Aufnahme eines motorisch betriebenen Schraubwerkzeuges

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH429392A (de) * 1965-10-08 1967-01-31 Elektro Thermit Gmbh Verfahren und Vorrichtung zur profilgerechten Abarbeitung von bei der Schienenverbindungsschweissung entstandenen Schweisswülsten bzw. Schweissgutüberständen
DE1248692B (fr) * 1967-08-31
DE2943938A1 (de) * 1979-10-31 1981-05-14 Georg Robel GmbH & Co, 8000 München Ein- oder mehrspindelige schraubmaschine zum eidrehen und loesen von muttern und schrauben, insbesondere schienenbefestigungsmittel
DE9407064U1 (de) * 1994-04-28 1994-10-20 Georg Robel GmbH & Co, 81371 München Schraubmaschine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2626770A1 (de) * 1976-06-15 1977-12-22 Inst Cercetare Si Proiectare T Kuehler fuer hydraulische anlagen
DE3410071C2 (de) * 1984-03-20 1994-06-01 Bosch Gmbh Robert Hydraulikanlage
FR2650030A1 (fr) * 1989-07-20 1991-01-25 Micto Voiries Ind Dispositif pour le refroidissement de l'huile des moteurs hydrauliques d'un vehicule leger destine a l'aspiration et au nettoyage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1248692B (fr) * 1967-08-31
CH429392A (de) * 1965-10-08 1967-01-31 Elektro Thermit Gmbh Verfahren und Vorrichtung zur profilgerechten Abarbeitung von bei der Schienenverbindungsschweissung entstandenen Schweisswülsten bzw. Schweissgutüberständen
DE2943938A1 (de) * 1979-10-31 1981-05-14 Georg Robel GmbH & Co, 8000 München Ein- oder mehrspindelige schraubmaschine zum eidrehen und loesen von muttern und schrauben, insbesondere schienenbefestigungsmittel
DE9407064U1 (de) * 1994-04-28 1994-10-20 Georg Robel GmbH & Co, 81371 München Schraubmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111254763A (zh) * 2020-01-19 2020-06-09 绍兴华阳铁路器材有限公司 液压起拔道器
CN111254763B (zh) * 2020-01-19 2021-10-15 绍兴华阳铁路器材有限公司 液压起拔道器

Also Published As

Publication number Publication date
EP0761882B1 (fr) 2001-01-24
ATE198918T1 (de) 2001-02-15
DE59606367D1 (de) 2001-03-01
DE19532827A1 (de) 1997-03-13
DK0761882T3 (da) 2001-02-26
ES2155553T3 (es) 2001-05-16

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