EP1130164A1 - Gleisunterstopfaggregat - Google Patents

Gleisunterstopfaggregat Download PDF

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Publication number
EP1130164A1
EP1130164A1 EP01420051A EP01420051A EP1130164A1 EP 1130164 A1 EP1130164 A1 EP 1130164A1 EP 01420051 A EP01420051 A EP 01420051A EP 01420051 A EP01420051 A EP 01420051A EP 1130164 A1 EP1130164 A1 EP 1130164A1
Authority
EP
European Patent Office
Prior art keywords
hydraulic
metering
clamping cylinder
cylinder
tamping 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.)
Granted
Application number
EP01420051A
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English (en)
French (fr)
Other versions
EP1130164B1 (de
Inventor
M. Sandri Sartori
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.)
Societe des Anciens Etablissements Lucien Geismar SAS
Original Assignee
Societe des Anciens Etablissements Lucien Geismar SAS
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Publication date
Application filed by Societe des Anciens Etablissements Lucien Geismar SAS filed Critical Societe des Anciens Etablissements Lucien Geismar SAS
Publication of EP1130164A1 publication Critical patent/EP1130164A1/de
Application granted granted Critical
Publication of EP1130164B1 publication Critical patent/EP1130164B1/de
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
    • 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

Definitions

  • the present invention relates to a ballast tamping unit of railway tracks, of the forced vibration type.
  • tamping In the railway sector, it is necessary to consolidate the tracks by stalling the sleepers by a process called tamping. This consists in making the ballast penetrate under the sleepers, by means of devices called tamping units, which are actually vibrating clamps. These are forced into the ballast, on either side of a sleeper, in making them vibrate at a determined frequency close to the natural frequency ballast, and using a clamp to force a closing movement which forces the nesting of the ballast under the crosspiece.
  • FIG. 1 of the accompanying schematic drawing shows a unit of stuffing of current design.
  • This includes a chassis 1 provided vertical suspension elements 2 and 3, and two tool holders 4 and 5 symmetrically articulated on the chassis 1 around two respective axes 6 and 7, parallel and horizontal, in the manner of levers.
  • the two tool holders 4 and 5 are respectively equipped, in their upper parts, with tools 8 and 9 called “tampers", which take place on either side of a cross 10 of the way.
  • An eccentric device 11, carried by the central part of the chassis 1, ensures the vibration of tools 8 and 9.
  • the design general knowledge of this machine is known, for example, from the demand for patent FR 2666357 A in the name of the Applicant.
  • the respective upper ends of the two tool holders 4 and 5 are joined by a hydraulic clamping cylinder 12, substantially horizontal, the body 13 of the jack 12 being for example linked by a articulation 14 to the first tool holder 4, while the rod 15 of this jack 12 is linked by a hinge 16 to the second tool holder 5.
  • the hydraulic clamping cylinder 12 is usually associated with an auxiliary hydraulic cylinder 17 which, in combination with a jumper tilting 18, acts as a mechanical stroke limiter for the cylinder tightening 12, as shown more particularly in FIGS. 2 and 3.
  • the auxiliary cylinder 17 is articulated by its body, around an axis 19, on the body 13 of the clamping cylinder 12, towards one end of this body 13.
  • the rod of the auxiliary jack 17 is articulated about an axis 20 on the rider 18 which is itself pivotally mounted about an axis 21 on the body 13 of the clamping cylinder 12, towards the other end of this body 13.
  • the jack auxiliary 17 brings the jumper 18 directly in stop on the front face of the body 13 of the clamping cylinder 12, by tilting around the axis 21.
  • the rider 18 thus positioned constitutes a blocking block, which limits the opening stroke of the clamping cylinder 12 at a value C1, by a mechanical stop effect.
  • This first position in which the clamping opening stroke of the vibrating clamp is limited, suitable for using the tamping unit with a crosspiece 10 simple.
  • the jack auxiliary 17 is actuated in the direction of retraction of its rod, so to rotate the jumper 18 around the axis 21 in the direction of its retraction - see Figure 3.
  • the rod 15 of the clamping cylinder 12 can then describe its maximum stroke C2, until the complete retraction of this rod 15 in the body 13 of the clamping cylinder 12.
  • the opening stroke of the gripper is no longer limited, and tampers 8 and 9 can be further separated so as to enclose a double crosspiece.
  • Such a mechanical stop device is indicated, for example, in documents AT 294895 B and US 3608498 A.
  • This mechanical stop device is the cause of shocks and noises which, adding to the vibrations necessary for the tamping itself, and amplified by them, generates a high noise level when tamping unit operation.
  • the high noise level constitutes a nuisance not only for operators, but also for the neighborhood, especially during night work.
  • the current mechanical limitation device the stroke of the clamping cylinder 12 generates mechanical shocks, during the whole vibration phase.
  • Mechanical shocks already noisy in themselves, are increased by excitement, at the frequency of vibrations of the tamping unit, the play of the joints according to the three axes 19, 20 and 21 of the assembly consisting of the jack 17 and the jumper 18. This phenomenon considerably increases the noise of the tamping unit.
  • the object of the present invention is to suppress shocks, parasitic vibrations and noises generated by the known limiting device mechanics of the opening stroke of the clamping cylinder, so that reduce the total level of noise emissions from the tamping unit, in order to reduce these emissions to a level more acceptable to operators and the neighborhood.
  • the invention essentially relates to a unit of ballast tamping, of the type concerned here, that is to say comprising two tool holders, articulated on a chassis around parallel horizontal axes, which are equipped in their lower parts with tools capable of taking place on either side of a single or double crossing of the railway concerned, and whose upper ends are connected by a jack hydraulic clamping, means being provided for vibrating tools,
  • this ballast tamping unit being characterized in that supplying hydraulic fluid or draining the hydraulic cylinder tightening, for at least one of its two directions of movement, is ensured by a hydraulic assembly external to this jack, and comprising means for metering a quantity of hydraulic fluid capable of being admitted in said cylinder or evacuated from it, so as to make the rod describe of this cylinder, an opening stroke of the clamping cylinder limited to a value less than its full stroke, the hydraulic assembly further comprising hydraulic control means associated with said dosage means.
  • the means of dosing of the quantity of hydraulic fluid admitted into the clamping cylinder, or removed from it are constituted by a metering cylinder whose piston can be moved hydraulically over a controlled stroke, said metering cylinder being able to be placed in communication with the clamping cylinder, for allow the admission or draining of a predetermined quantity of fluid hydraulic in the clamping cylinder.
  • the inventive idea is to replace the stopper device current mechanical, limiting the opening stroke of the clamping cylinder, by a servo assembly providing a sort of "stop" hydraulic ", by dosing the quantity of oil used in the Tightening. Thanks to appropriate control means, this cylinder can be supplied or drained with hydraulic fluid either directly, in which case it performs its full opening stroke, suitable for the use of the tamping unit on double sleepers, either indirectly with intervention of the metering cylinder, in which case the clamping cylinder describes a limited opening stroke, suitable for use on sleepers simple.
  • the mechanical elements located on the unit jamming and shock and noise generators especially the jumper tilting and its actuating cylinder, are completely removed, which permanently eliminates the noises emitted by these elements and their joints.
  • the removal of these mechanical components simplifies the structure and kinematics of the tamping unit.
  • the hydraulic assembly including the means of dosing, such as the metering cylinder, and hydraulic control means associated with said metering means, is located at a distance from the jack hydraulic clamping, in a fixed, non-vibrating part of the machine.
  • the metering cylinder thus arranged at a stable point, does not generate noise mechanical. All this contributes to the reduction of noise pollution.
  • the hydraulic control means associated with metering means such as metering cylinder, these can be implemented simple by a set of distributors, in particular electro-distributors, arranged to selectively direct the hydraulic fluid directly to the clamping cylinder, or to the dosing means, or for selectively drain the clamping cylinder directly to the fluid source or to the dosage means.
  • FIGS 4 and 6 show a ballast tamping unit in accordance with the present invention, repeating, for the elements common, the same reference numbers as those of Figures 1 to 3.
  • this tamping unit further comprises a chassis 1 fitted with suspension elements 2 and 3, and two articulated tool holders 4 and 5 symmetrically on the chassis 1 around two respective axes 6 and 7, parallel and horizontal.
  • the two tool holders 4 and 5 are equipped, at their lower parts, of tools known as "tampers" 8 and 9, these being vibration by an eccentric device 11 carried by the central part of the chassis 1.
  • the respective upper ends of the two tool holders 4 and 5 are joined by a hydraulic hydraulic clamping cylinder 12, substantially horizontal.
  • the body 13 of the clamping cylinder 12 is linked by a articulation 14 at the top of the first tool holder 6, while the rod 15 of this jack 12 is linked by a hinge 16 at the top of the second tool holder 5.
  • the clamping cylinder 12 is connected, by conduits 22 and 23, to a designated exterior hydraulic assembly overall by the reference 24, this hydraulic assembly 24 being mounted on a fixed, stable and non-vibrating part, symbolized at 25, of the machine.
  • the hydraulic assembly 24 ensures by itself, in addition to the general function for supplying the clamping cylinder 12 with fluid hydraulic, the special function of limiting the opening stroke of the clamping cylinder 12, that is to say the selective obtaining of a stroke reduced C1 (see figure 5), for the use of the tamping unit with a crosspiece 10 simple, and a full stroke C2 (see Figure 6), for the use of the same tamping unit with a double crosspiece.
  • the hydraulic assembly 24 has a special configuration, shown as a hydraulic diagram on Figure 7.
  • the hydraulic assembly 24 includes a pump 26, a oil tank 27, pressure limiter 28 and main distributor 29, in particular in the form of an electro-distributor.
  • a branch 30 of the hydraulic circuit, starting from the distributor main 29, is directly connected to one of the two chambers 31 of the jack tightening 12.
  • Another part of the hydraulic circuit is connected to the second chamber 32 of the clamping cylinder 12 via a block of specific distribution 33, which includes three solenoid valves 34, 35 and 36. This part of the hydraulic circuit is also connected to a metering cylinder 37, mounted directly on the fixed part 25 of the machine.
  • the first solenoid valve 34 of block 33 is interposed on a branch of hydraulic circuit 38, starting from the main distributor 29 and leading to the second chamber 32 of the clamping cylinder 12.
  • the second solenoid valve 35 is interposed on a branch of the hydraulic circuit 39 returning to the oil tank 27.
  • the third solenoid valve 36 is interposed on a branch of hydraulic circuit 40, internal to the block 33, which connects an intermediate point 41 of the circuit branch 38, located between the first solenoid valve 34 and the actuator 12, at the starting point 42 of the circuit branch 39 returning to the reservoir 27.
  • the metering cylinder 37 comprises a cylindrical body, in which is slidably mounted a piston 43 integral with a rod 44, the end of which external cooperates with a limit switch 45.
  • a branch of hydraulic circuit 46 having its point of departure 47 on branch 38 between the main distributor 29 and the first solenoid valve 34, leads to one of the chambers 48 of the metering cylinder 37.
  • the other chamber 49 of this metering cylinder 37 is connected, by a final circuit branch 50, at the starting point 42 of circuit branch 39 returning to the reservoir 27, therefore also to the circuit branch 40 on which is inserted the third solenoid valve 36.
  • the operation of the hydraulic assembly 24 is as follows:
  • the main distributor 29 To control the output of the rod 15 of the clamping cylinder 12, with its full stroke C2, the main distributor 29 is placed in its position allowing the passage of oil under pressure from the pump 26, to the circuit branch 38 on which the first is inserted solenoid valve 34, the latter being brought into the open position for control the output stroke of the rod 15 of the clamping cylinder 12.
  • the main valve 29 is switched to its other position, allowing the passage of oil under pressure, from the pump 26, to the circuit branch 30 leading directly to the chamber 31 of the clamping cylinder 12.
  • the distributor 29 is brought into the same position as above but, in the distribution block 33, only the first solenoid valve 34 is open.
  • the metering cylinder 37 no longer intervenes, and the emptying of the chamber 32 of the clamping cylinder 12 is carried out completely and directly by the circuit branch 38.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
  • Machine Tool Units (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Discharge Heating (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Soil Working Implements (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
EP01420051A 2000-02-29 2001-02-22 Gleisunterstopfaggregat Expired - Lifetime EP1130164B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0002571A FR2805550B1 (fr) 2000-02-29 2000-02-29 Unite de bourrage de ballast de voies de chemin de fer
FR0002571 2000-02-29

Publications (2)

Publication Number Publication Date
EP1130164A1 true EP1130164A1 (de) 2001-09-05
EP1130164B1 EP1130164B1 (de) 2003-09-17

Family

ID=8847554

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01420051A Expired - Lifetime EP1130164B1 (de) 2000-02-29 2001-02-22 Gleisunterstopfaggregat

Country Status (7)

Country Link
US (1) US6401623B2 (de)
EP (1) EP1130164B1 (de)
JP (1) JP2001288701A (de)
AT (1) ATE250167T1 (de)
CA (1) CA2338871A1 (de)
DE (1) DE60100766T2 (de)
FR (1) FR2805550B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101775765B (zh) * 2010-01-29 2012-01-25 浙江大学 一种液压激振与夹持运动独立的捣固装置
WO2019120834A1 (de) * 2017-12-21 2019-06-27 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Stopfaggregat zum unterstopfen von schwellen eines gleises

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101368357B (zh) * 2008-09-19 2011-07-27 张忠海 轻便式内燃液压双臂捣固机
CN102061646B (zh) * 2010-10-26 2012-04-18 浙江大学 一种捣固装置的液压激振***
CN103669130B (zh) * 2012-09-09 2016-01-06 蓬莱奥斯勃机械有限公司 便携式内燃冲击捣镐
ES2583373B1 (es) 2015-03-18 2017-06-15 Jose Antonio Ibañez Latorre Máquina de mantenimiento de vía férrea para nivelación y alineación de vía, con capacidad de operar sin interrupciones en su avance en vía corrida y operar en cambios de vía bateando la vía desviada.
AT518693B1 (de) * 2016-05-24 2020-02-15 Plasser & Theurer Exp Von Bahnbaumaschinen G M B H Prüfvorrichtung und Verfahren zum Prüfen eines Stopfaggregates
US20180010302A1 (en) * 2016-07-05 2018-01-11 Harsco Technologies LLC Apparatus and method for tamping ballast
ES2644352B1 (es) * 2017-01-25 2018-08-09 Jose Antonio Ibañez Latorre Grupo de bateo para máquinas de mantenimiento ferroviario con capacidad de batear el balasto bajo las traviesas de la vía, tanto las simples como las dobles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986124A (en) * 1957-01-29 1961-05-30 Matisa Materiel Ind Sa Device for limiting the opening stroke of a tool-carrier
GB1493916A (en) * 1975-09-16 1977-11-30 Plasser Bahnbaumasch Franz Railway track tamping tool unit with a device for limiting the opening width of the pairs of tamping tools

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT294895B (de) * 1965-06-24 1971-12-10 Plasser Bahnbaumasch Franz Maschine zum Unterstopfen eines Gleises
AT304606B (de) * 1968-04-29 1973-01-10 Plasser Bahnbaumasch Franz Gleisstopfwerkzeug-Aggrerat
US4130063A (en) * 1975-09-16 1978-12-19 Franz Plasser Bahnbaumaschinen-Industriegesellschaft M.B.H. Tamping head
CH640902A5 (fr) * 1981-03-02 1984-01-31 Sig Schweiz Industrieges Bourreuse de voie ferree.
AT374217B (de) * 1982-07-07 1984-03-26 Plasser Bahnbaumasch Franz Gleisstopfaggregat mit wegbegrenzungs-anschlag
IN166365B (de) * 1985-03-25 1990-04-21 Plasser Bahnbaumasch Franz
CH658482A5 (fr) * 1986-02-18 1986-11-14 Kershaw Mfg Bourreuse de voie ferree.
IT1220124B (it) * 1987-11-03 1990-06-06 Danieli Off Mecc Rincalzatrice continua per linea ferroviaria a teste di rincalzatura indipendenti
UA12805A (uk) * 1988-03-09 1997-02-28 Со.Ре.Ма. Оператрічі Ферровіарі С.Н.К. Ді Чєзарє Россаніго І К., Шпалопідбивальhа машиhа
US4843967A (en) * 1988-10-24 1989-07-04 Kershaw Manufacturing Company, Ind. Compaction tamper
AT391903B (de) * 1989-01-26 1990-12-27 Plasser Bahnbaumasch Franz Fahrbare gleisbearbeitungsmaschine mit einer einrichtung zur steuerung der arbeits-position ihrer arbeits-aggregate bzw. -werkzeuge
FR2666357B1 (fr) * 1990-08-30 1992-11-13 Geismar Anc Ets L Unite de bourrage de ballast d'une voie ferree, du type a vibration forcee.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2986124A (en) * 1957-01-29 1961-05-30 Matisa Materiel Ind Sa Device for limiting the opening stroke of a tool-carrier
GB1493916A (en) * 1975-09-16 1977-11-30 Plasser Bahnbaumasch Franz Railway track tamping tool unit with a device for limiting the opening width of the pairs of tamping tools

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101775765B (zh) * 2010-01-29 2012-01-25 浙江大学 一种液压激振与夹持运动独立的捣固装置
WO2019120834A1 (de) * 2017-12-21 2019-06-27 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Stopfaggregat zum unterstopfen von schwellen eines gleises
US11566381B2 (en) 2017-12-21 2023-01-31 Plasser & Theurer Export Von Bahnbaumaschinen Gmbh Tamping assembly for tamping sleepers of a track

Also Published As

Publication number Publication date
JP2001288701A (ja) 2001-10-19
CA2338871A1 (fr) 2001-08-29
DE60100766D1 (de) 2003-10-23
DE60100766T2 (de) 2004-07-15
US6401623B2 (en) 2002-06-11
FR2805550A1 (fr) 2001-08-31
FR2805550B1 (fr) 2003-09-26
US20010018879A1 (en) 2001-09-06
EP1130164B1 (de) 2003-09-17
ATE250167T1 (de) 2003-10-15

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