EP2871288A1 - Mouton diesel - Google Patents
Mouton diesel Download PDFInfo
- Publication number
- EP2871288A1 EP2871288A1 EP13192602.4A EP13192602A EP2871288A1 EP 2871288 A1 EP2871288 A1 EP 2871288A1 EP 13192602 A EP13192602 A EP 13192602A EP 2871288 A1 EP2871288 A1 EP 2871288A1
- 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.)
- Granted
Links
Images
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 to the cylinder 1, circumferential webs 14, which are each secured by 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)
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 true EP2871288A1 (fr) | 2015-05-13 |
EP2871288B1 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)
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 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP1828488B1 (fr) | 2004-12-23 | 2008-07-23 | Delmag GmbH & Co. KG | Mouton diesel |
Family Cites Families (16)
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. |
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 |
EP0837757B1 (fr) * | 1995-07-13 | 2001-10-17 | Atlas Copco Berema Aktiebolag | Systemes de poignees pour perforatrices a main |
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 |
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 |
-
2013
- 2013-11-12 EP EP13192602.4A patent/EP2871288B1/fr not_active Not-in-force
-
2014
- 2014-11-05 US US14/533,162 patent/US20150129270A1/en not_active Abandoned
- 2014-11-12 CN CN201410633641.0A patent/CN104631456A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP1828488B1 (fr) | 2004-12-23 | 2008-07-23 | Delmag GmbH & Co. KG | Mouton diesel |
Also Published As
Publication number | Publication date |
---|---|
US20150129270A1 (en) | 2015-05-14 |
CN104631456A (zh) | 2015-05-20 |
EP2871288B1 (fr) | 2016-03-16 |
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