EP2871288B1 - Mouton diesel - Google Patents

Mouton diesel Download PDF

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Publication number
EP2871288B1
EP2871288B1 EP13192602.4A EP13192602A EP2871288B1 EP 2871288 B1 EP2871288 B1 EP 2871288B1 EP 13192602 A EP13192602 A EP 13192602A EP 2871288 B1 EP2871288 B1 EP 2871288B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
piston
diesel
fuel tank
fuel
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.)
Not-in-force
Application number
EP13192602.4A
Other languages
German (de)
English (en)
Other versions
EP2871288A1 (fr
Inventor
Leopold Jerch
Matthias Heichel
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.)
Delmag GmbH and Co KG
Original Assignee
Delmag GmbH and Co KG
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 Delmag GmbH and Co KG filed Critical Delmag GmbH and Co KG
Priority to EP13192602.4A priority Critical patent/EP2871288B1/fr
Priority to US14/533,162 priority patent/US20150129270A1/en
Priority to CN201410633641.0A priority patent/CN104631456A/zh
Publication of EP2871288A1 publication Critical patent/EP2871288A1/fr
Application granted granted Critical
Publication of EP2871288B1 publication Critical patent/EP2871288B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/12—Drivers with explosion chambers
    • E02D7/125—Diesel drivers

Definitions

  • the invention relates to a diesel ram with a cylinder, a piston displaceably guided in the cylinder and a striking piece displaceably guided in the cylinder according to the preamble of patent claim 1.
  • Diesel rams also referred to as diesel hammers or diesel bears, are used in particular for foundation work of the construction industry for driving in piles of all kinds, such as concrete pillars, iron girders, sheet pile wall elements or the like in a building ground.
  • the piston is pulled upwards by means of a notching device inside the cylinder and disengaged at a certain height, whereby it falls down on the striking piece under the action of gravity.
  • a fuel pump is actuated by the piston, via which a supply of fuel, in particular of diesel oil takes place.
  • the fuel of the diesel rammer is stored in a tank which is externally welded to the cylinder of the diesel ram and which is connected via a line to the fuel pump.
  • the air in the combustion chamber of the cylinder is compressed and thereby heated so that ignited in the combustion chamber fuel / air mixture, whereupon it burns explosively.
  • the piston is hurled upward again for a new working cycle; at the same time the pile is driven over the hammer in the ground.
  • Diesel rams of the aforementioned type as described for example in the EP 1 828 488 B1 has been described, have proven in practice because of their simple structure and the associated high reliability. In operation, however, such diesel rams are very noisy and can cause a noise level of 100 decibels (A) and more.
  • the invention aims to remedy this situation.
  • the invention has for its object to provide a diesel ram of the aforementioned type, the noise emission is reduced. According to the invention, this object is achieved by a diesel rammer having the features of the characterizing part of patent claim 1.
  • a diesel ram of the aforementioned type is provided, the noise emission is reduced.
  • the fuel tank laterally welded to the cylinder in the prior art represents a significant resonance body, which contributes significantly to the noise emission of the diesel rams.
  • the decoupling of the tank from the cylinder causes a significant reduction of the noise emission of the diesel rams.
  • two webs are arranged on the outside of the cylinder parallel to each other, on which the tank is fastened via vibration elements.
  • an efficient decoupling of the tank is achieved by the cylinder.
  • the vibration damper occurring vibrations of the tank are damped.
  • the vibration elements are formed as elastomer or rubber components. Such vibration dampers are available in various designs and modes of operation in the prior art.
  • the diesel ram selected as an exemplary embodiment comprises a cylinder 1 which is open on both sides and which can regularly have a length of 3 to 8 meters and a diameter of 0.2 to 1.5 meters.
  • a piston 2 is slidably disposed in the cylinder 1 a.
  • a coaxial to this impact piece 3 engages slidably in the open lower end of the cylinder 1 a.
  • an annular bearing unit 9 is fixed, in which a middle shaft portion 31 of the hammering piece 3 is guided tightly and displaceably, which has a relation to the inner diameter of the cylinder 1 reduced outer diameter.
  • the diesel ram is mounted vertically displaceable over arranged on the cylinder 1 guide jaws 13 along a leader 8.
  • a striking plate 32 located below the cylinder 1, the outwardly directed lower convex boundary surface 33 cooperating in operation with the upper end of a driven-in pile material to be driven in.
  • a piston portion 34 is formed with a plurality of circumferential, axially spaced sealing rings which run on the inner circumferential surface 11 of the cylinder 1.
  • a combustion chamber 12 is limited together with the underside of the piston 2 and the inner circumferential surface 11 of the cylinder 1.
  • the combustion chamber 12 of the cylinder 1 facing end face of the hammer 3 is ground flat with a shallow fuel well.
  • a damping ring 91 is arranged between the impact plate 32 of the hammer 3 and the bearing unit 9 of the cylinder 1.
  • a further damping ring 92 is arranged adjacent to the bearing unit 9 between the upper side of the bearing unit 9 and the underside of the piston portion 34 of the hammer 3.
  • a mass portion 2 is formed, which extends in the upper portion of the cylinder 1 inside.
  • an injection device 4 is arranged, which comprises a fuel pump 41 which is connected via a line 43 to the injection nozzle 42.
  • the inlet of the fuel pump 41 is fed via a fuel tank 5 with diesel oil.
  • the fuel tank 5 is formed in the embodiment as a sheet metal container, on whose opposite upper and lower sides in each case a flange 51 is integrally formed.
  • the fuel tank 5 is arranged between two mutually parallel arranged on the cylinder 1, circumferential webs 14, which are each attached via elbows 15 to the cylinder 1.
  • the tank 5 is connected to the webs 14 of the cylinder 1 via vibration elements 6, as in FIG. 2 shown. Due to the vertical arrangement of the vibration elements 6 between the respective horizontally extending webs 14 and the flanges 51 of the fuel tank 5 arranged parallel thereto, the vibration elements 6 are positioned in the main vibration direction of the piston 2, whereby a particularly effective vibration damping is achieved.
  • the vibration elements 6 are essentially made of rubber.
  • the fuel pump 41 which is connected to the fuel tank 5 via the line 43, has a prestressed pump lever 44 projecting into the interior of the cylinder 1, via which it is driven when the falling piston 2 passes.
  • the injection nozzle 42 is designed and aligned such that the discharged fuel is injected in a substantially continuous jet approximately centrally on the end face of the hammer 3.
  • a lubricant pump 7 is arranged on the cylinder 1, which is connected to distributed in the circumferential direction of the cylinder 1 lubricant nozzles.
  • lubricant nozzles lubricant between the piston 2 and the inner circumferential surface 11 of the cylinder 1 is given.
  • the diesel ram described above operates as follows: In the initial state of the piston 2 is raised via the - not shown - release device in an upper position. After notching it falls from there under the action of gravity down, closes the working nozzle 16 and actuates with its end face 21 the pump lever 44 of the injector 4, which is sprayed through the injector 42 fuel to the fuel bowl of the hammer 3.
  • the pump lever 44 of the injector 4 is sprayed through the injector 42 fuel to the fuel bowl of the hammer 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Claims (3)

  1. Mouton diesel comprenant un cylindre (1), un piston (2) déplaçable de manière guidée dans le cylindre (1) et une pièce de battage (3) guidée de manière coulissante dans le cylindre (1), pièce qui est agencée en-dessous du piston (2) lorsque le mouton diesel se trouve en position de service, sachant qu'est agencé un compartiment de combustion (12) limité axialement par une surface frontale - située à l'intérieure du cylindre (1) - de la pièce de battage (3), et une surface frontale du piston (2), et dans laquelle aboutit un dispositif (4) d'amenée du carburant relié à un réservoir de carburant (5) lui-même agencé à l'extérieur contre le cylindre (1), dispositif à travers lequel peut être introduite une quantité spécifiée de carburant dans le compartiment de combustion (12) à chaque cycle de travail, caractérisé en ce que le réservoir de carburant (5) est en appui élastique contre le cylindre (1), sachant que cet appui élastique est obtenu par des éléments oscillants (6) via lesquels le réservoir de carburant (5) est relié au cylindre (1), sachant que contre l'extérieur du cylindre (1) sont agencées deux nervures réciproquement parallèles, contre lesquelles le réservoir de carburant (5) est fixé via des éléments oscillants (6).
  2. Mouton diesel selon la revendication 2, caractérisé en ce que les éléments oscillants (6) sont agencés orientés dans leur sens d'action, c'est-à-dire verticalement.
  3. Mouton diesel selon la revendication 2, caractérisé en ce que les éléments oscillants (6) sont configurés en composants à base d'élastomère ou de caoutchouc.
EP13192602.4A 2013-11-12 2013-11-12 Mouton diesel Not-in-force EP2871288B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP13192602.4A EP2871288B1 (fr) 2013-11-12 2013-11-12 Mouton diesel
US14/533,162 US20150129270A1 (en) 2013-11-12 2014-11-05 Diesel hammer pile driver
CN201410633641.0A CN104631456A (zh) 2013-11-12 2014-11-12 柴油打桩机

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13192602.4A EP2871288B1 (fr) 2013-11-12 2013-11-12 Mouton diesel

Publications (2)

Publication Number Publication Date
EP2871288A1 EP2871288A1 (fr) 2015-05-13
EP2871288B1 true EP2871288B1 (fr) 2016-03-16

Family

ID=49641491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13192602.4A Not-in-force EP2871288B1 (fr) 2013-11-12 2013-11-12 Mouton diesel

Country Status (3)

Country Link
US (1) US20150129270A1 (fr)
EP (1) EP2871288B1 (fr)
CN (1) CN104631456A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110080223B (zh) * 2019-05-20 2021-02-23 娄底湘中工程机械制造有限公司 一种市政施工用筒式柴油打桩机

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1082162A (en) * 1910-10-18 1913-12-23 J Geo Leyner Engineering Works Company Rock-drilling stoping-drill.
FR950226A (fr) * 1944-05-11 1949-09-21 Lagonda Ltd Outil à percussion avec commande par combustion interne utilisable notamment pour enfoncer des pieux ou pilotis
US2633832A (en) * 1949-07-22 1953-04-07 Syntron Co Diesel hammer
US2755783A (en) * 1953-06-18 1956-07-24 Mckiernan Terry Corp Free piston internal combustion pile hammer
US3651873A (en) * 1970-01-26 1972-03-28 Wacker Werke Kg Impacting apparatus for driving convertible to pulling
NL7214716A (fr) * 1971-11-06 1973-05-08
US3845557A (en) * 1973-06-28 1974-11-05 Mcculloch Corp Chain saw anti-vibration system
US3849883A (en) * 1974-01-02 1974-11-26 Outboard Marine Corp Chain saw
NL172579C (nl) * 1974-03-13 1983-09-16 Delmag Maschinenfabrik Dieselheiblok met slagverstuiving van de brandstof tussen heiblokzuiger en slagstuk.
JPS5186898A (fr) * 1975-01-28 1976-07-29 Kyoritsu Kk
SU1002457A2 (ru) * 1981-09-28 1983-03-07 Экспериментально-Конструкторское Бюро Центрального Научно-Исследовательского Института Строительных Конструкций Им.В.А.Кучеренко Установка дл сооружени свай в грунте
CN2240547Y (zh) * 1994-05-21 1996-11-20 吉林工业大学 加速下落冲击式液压锤
DE69616059T2 (de) * 1995-07-13 2002-06-27 Atlas Copco Berema Ab Nacka Handgriff für handschlagmaschinen
US5727639A (en) * 1996-03-11 1998-03-17 Lee Matherne Pile driving hammer improvement
US6431795B2 (en) * 1997-07-25 2002-08-13 American Piledriving Equipment, Inc. Systems and methods for inserting wick drain material
CN2707990Y (zh) * 2004-07-06 2005-07-06 江苏大学 一种均质压燃燃烧方式的混合动力装置
DE102004062043A1 (de) * 2004-12-23 2006-07-13 Delmag Gmbh & Co. Kg Dieselhammer
CN101761081A (zh) * 2010-01-05 2010-06-30 赵黎明 抱压式静压沉管灌注桩施工方法及设备

Also Published As

Publication number Publication date
EP2871288A1 (fr) 2015-05-13
US20150129270A1 (en) 2015-05-14
CN104631456A (zh) 2015-05-20

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