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EP0058222A1 - Machine hydraulique pour le tubage de pieux de fondation, et son dispositif de commande - Google Patents

Machine hydraulique pour le tubage de pieux de fondation, et son dispositif de commande Download PDF

Info

Publication number
EP0058222A1
EP0058222A1 EP81105270A EP81105270A EP0058222A1 EP 0058222 A1 EP0058222 A1 EP 0058222A1 EP 81105270 A EP81105270 A EP 81105270A EP 81105270 A EP81105270 A EP 81105270A EP 0058222 A1 EP0058222 A1 EP 0058222A1
Authority
EP
European Patent Office
Prior art keywords
pressure
base frame
clamp
movements
adjusting cylinder
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
EP81105270A
Other languages
German (de)
English (en)
Other versions
EP0058222B1 (fr
Inventor
Kurt Blaschke
Josef Roob
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.)
STAHL- und APPARATEBAU HANS LEFFER GmbH
Original Assignee
STAHL- und APPARATEBAU HANS LEFFER 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 STAHL- und APPARATEBAU HANS LEFFER GmbH filed Critical STAHL- und APPARATEBAU HANS LEFFER GmbH
Priority to AT81105270T priority Critical patent/ATE9728T1/de
Publication of EP0058222A1 publication Critical patent/EP0058222A1/fr
Application granted granted Critical
Publication of EP0058222B1 publication Critical patent/EP0058222B1/fr
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool

Definitions

  • the invention relates to a hydraulic piping machine as an excavator attachment for the oscillating turning of drill pipes for pile foundations, consisting of a base frame that is slidable on the ground, a clamp that can be rotated on the base frame and that can be raised and lowered to clamp the drill pipe, and one that engages the clamp, their movements following the link connection, and a pair of hydraulic rotary cylinders, which are connected to circumferentially distributed joints of the clamp.
  • a hydraulic piping machine as an excavator attachment for the oscillating turning of drill pipes for pile foundations, consisting of a base frame that is slidable on the ground, a clamp that can be rotated on the base frame and that can be raised and lowered to clamp the drill pipe, and one that engages the clamp, their movements following the link connection, and a pair of hydraulic rotary cylinders, which are connected to circumferentially distributed joints of the clamp.
  • Such piping machines for pile foundations are described for example in DE-A1 24 38 956 and DE
  • the object of the invention is therefore to further develop a hydraulic piping machine of the type mentioned in order to be able to position the tensioning clamp at least in a radial direction and in the range of a few centimeters regardless of the use of the excavator in order to close the position retracted by the excavator correct.
  • the tensioning clamp can be positioned radially relative to the base frame by means of an adjusting cylinder via the link connection, and that the control for the adjusting cylinder on the valve side.
  • Floating position in which the piston of the adjusting cylinder is acted upon on both sides by opposing hydraulic pressures from a pressure accumulator in such a way that the pressure medium quantities displaced by the piston during stroke movements of the cylinder piston due to longitudinal movements of the handlebar connection as a result of movements of the clamp (lifting, lowering, oscillating) are alternately directed into the pressure accumulator.
  • These pressure accumulators are expediently arranged and carried on the base frame of the piping machine, but can also be accommodated in a separate unit.
  • the invention shows a practicable way, by means of an adjusting cylinder, which causes longitudinal movements of the link connection, to position the clamp in the radial direction of the link connection without the link connection having to be dismantled during the oscillating rotation of the clamp clamped with a drill pipe, which is the case with Experiments proved necessary in which the handlebar connection had been made telescopically adjustable. Only by the prestressed floating position according to the invention within the Hydraulic control for the adjusting cylinder with two alternately displaced pressure medium receiving pressure accumulators has been set a kind of moving and flexible hydraulic locking "of the piston of the adjusting cylinder, which conveys the handlebar connection in every inclination of the height or the side according to its holding effect.
  • the invention is not intended to rule out the fact that the handlebar connection itself is telescopically variable in length by means of an adjusting cylinder in order to position the tensioning clamp, for example in the construction of a piping machine according to DE-AL 24 38 956.
  • the rotating cylinders for the oscillating turning of the tensioning clamp are diverging a common hinge pin of an abutment connected, as DE-A 14 84 415 shows, it is recommended according to a further invention proposal that both the link connection and the rotary cylinder are articulated with a horizontally guided slide in the base frame.
  • the adjustable cylinder supported on the base frame can act on this slide, but it is preferred that the adjustable cylinder articulates on the handlebar connection and is articulated on the base frame so that it always acts approximately parallel to the handlebar connection assuming different inclinations telescopic length-adjustable steering connection is not displayed because the horizontally guided slide replaces this telescopic length changeability.
  • the freely movable slide there is ultimately a support for the reaction forces from the rotary cylinders during oscillation on the base frame, namely by the prestressed floating position according to the invention or "moving and flexible locking" of the adjustment piston, the adjustment cylinder of which is fixed to the base frame.
  • each pressure accumulator shut off via a non-return valve with respect to the pressure-free supply lines when a directional control valve is in the floating position, so that the pushing back and forth of pressure medium quantities into the pressure accumulator is ensured when the tensioning clamp rotates oscillatingly.
  • each pressure accumulator is connected in parallel with a pressure relief valve to maintain a predetermined maximum pressure in the pressure chambers of the adjusting cylinder in order to prevent an inadmissibly large pressure rise in the pressure chambers for safety reasons.
  • the pressure relief valves are expediently set to a maximum pressure of approx.
  • the check valves can be alternately unlocked in each of the two passage positions of the directional valve provided with the middle floating position for positioning the tensioning clamp by the pressure in the respective feed line.
  • the pressure medium displaced during the positioning or controlled adjustment of the adjusting piston therefore does not go into a pressure accumulator, but rather into the return via the unlocked check valve assigned to this pressure accumulator.
  • the casing machine for oscillating turning of a drill pipe 1 shown in FIGS. 1 and 2 has a base frame 2 slidable on the ground, to which a fork-shaped coupling part 3 is connected, which can be coupled to the excavator (not shown) via a horizontal cross bolt 4.
  • the base frame 2 carries a multi-section clamp 5 of a known type, which can be raised and lowered via two lifting cylinders 6, the piston rods 7 of which are supported on the base frame 2. In the deepest position of the clamp 5 shown, it rests on stamps 8 of the base frame 2.
  • the piping machine further comprises two rotary cylinders 11, 12 which are connected by their ends on the piston rod side to circumferentially distributed joints 13, 14 of the clamp 5.
  • the steering connection 10 and the two rotary cylinders 11, 12 are connected in an articulated manner via a common vertical pivot pin 15 to a slide 16 which is guided horizontally in the base frame 2.
  • the lower and upper joint eyes 11a and 11 can be seen in the vertical section through the pivot pin 15. 12a of the rotary cylinders 11 and 12 as well as the middle joint eye 10b of the handlebar connection 10. Since the cardanic joint connection 10a of the handlebar connection 10 with the tension clamp 5 is arranged at a shorter distance from the pivot pin 15 than the joint connections 13 and 14 of the rotary cylinder, this results in lifting and Lowering the clamp 5 slight deviations with respect to the inclination of the rotary cylinders 11, 12 on the one hand compared to that nigen the handlebar connection 10.
  • the slide-side joint eye 10b of the handlebar connection 10 in the area of the pivot pin 15 is expediently gimbaled, and / or an elongated hole is provided in the area of the gimbal-side joint 10a (not shown).
  • an adjusting cylinder 20 is provided (FIG. 1), which engages on a vertically directed fork 22 of the link 10 via a joint 21 and is connected to the base frame 2 via a joint 23.
  • the control for the adjusting cylinder 20 comprises two pressure accumulators 24, 25, each of which is connected via a line 26, 27 to one of the two pressure chambers 28, 29 of the adjusting cylinder 20.
  • Each pressure accumulator 24, 25 is also connected via an unlockable check valve 30, 31 to the supply lines A and B, respectively, which originate from a directional control valve 32 with a medium floating position.
  • a pressure limiting valve 33 or 34 is also connected in parallel to each pressure accumulator 24 or 25 in order to maintain a predetermined maximum pressure in the pressure chambers 28 and 29 of the adjusting cylinder 20.
  • the check valve 30 can be unlocked via a pilot line 34, which communicates with the supply line B, and likewise the check valve 31 via a pilot line 35, which communicates with the supply line A.
  • the pressure accumulators are otherwise provided with shut-off valves 36, 37 with containers 38, 39 connected.
  • the directional control valve 32 When operating the piping machine, the directional control valve 32 is in the middle floating position II, in which the supply lines A and B communicate and are depressurized. Since both check valves 30, 31 are closed, the piston of the adjusting cylinder 20 is loaded on both sides with the pressure of the pressure accumulator 24 and 25, which is expediently set to a range between 30 and 60 bar. In this respect, the piston of the adjusting cylinder 20 is resiliently locked by the accumulator pressures directed against one another. As a result, a holding force remains on the handlebar connection 10, which holds the clamp 5 even in position when it is relaxed and raised for repositioning.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
EP81105270A 1981-02-17 1981-07-08 Machine hydraulique pour le tubage de pieux de fondation, et son dispositif de commande Expired EP0058222B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT81105270T ATE9728T1 (de) 1981-02-17 1981-07-08 Hydraulische verrohrungsmaschine fuer pfahlgruendungen und dazugehoerige steuerung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3105707 1981-02-17
DE3105707A DE3105707C2 (de) 1981-02-17 1981-02-17 Hydraulische Verrohrungsmaschine für Pfahlgründungen und dazugehörige Steuerung

Publications (2)

Publication Number Publication Date
EP0058222A1 true EP0058222A1 (fr) 1982-08-25
EP0058222B1 EP0058222B1 (fr) 1984-10-03

Family

ID=6125042

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81105270A Expired EP0058222B1 (fr) 1981-02-17 1981-07-08 Machine hydraulique pour le tubage de pieux de fondation, et son dispositif de commande

Country Status (3)

Country Link
EP (1) EP0058222B1 (fr)
AT (1) ATE9728T1 (fr)
DE (1) DE3105707C2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118718A2 (fr) * 2000-01-20 2001-07-25 Compagnie Du Sol Equipement de fondation sur pieux à déplacement rotatif
US6796390B1 (en) 1999-09-21 2004-09-28 Shell Oil Company Method and device for moving a tube in a borehole in the ground
WO2005054587A1 (fr) * 2003-12-04 2005-06-16 Nimens Joseph R E Procede et appareil d'installation d'un pieu helicoidal
KR101034623B1 (ko) * 2009-08-21 2011-05-12 김성배 케이싱 오실레이터의 실린더 회전결합장치
CN110130435A (zh) * 2019-03-26 2019-08-16 福建浚顺设备科技有限公司 一种多功能的水陆两用挖掘机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3610792A1 (de) * 1986-04-01 1987-10-22 Leffer Stahl & App Elektro-hydraulische steuerung fuer eine verrohrungsmaschine fuer verrohrte bohrungen im erdreich

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH352303A (de) * 1957-02-09 1961-02-28 Bade & Co Gmbh Vorrichtung zum Niederbohren einer Verrohrung
CH463435A (de) * 1966-03-31 1968-10-15 Celler Maschf Geb Hydraulisches Gerät zum Niederbohren der Verrohung in Bohrlöchern
FR1552787A (fr) * 1966-05-16 1969-01-10
DE1484415A1 (de) * 1964-02-04 1969-02-27 Bade & Co Gmbh Vorrichtung zum Niederbringen einer Verrohrung in Tiefbohrloecher
DE2223592A1 (de) * 1972-05-15 1973-11-29 Salzgitter Maschinen Ag Gewinnungs- und verrohrungsmaschine
DE2438956A1 (de) * 1974-08-14 1976-02-26 Leffer Stahl & App Hydraulische verrohrungsmaschine
DE2708727A1 (de) * 1977-03-01 1978-09-07 Bronner Hans Rohrschelle fuer eine hydraulische verrohrungsvorrichtung

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH352303A (de) * 1957-02-09 1961-02-28 Bade & Co Gmbh Vorrichtung zum Niederbohren einer Verrohrung
DE1484415A1 (de) * 1964-02-04 1969-02-27 Bade & Co Gmbh Vorrichtung zum Niederbringen einer Verrohrung in Tiefbohrloecher
CH463435A (de) * 1966-03-31 1968-10-15 Celler Maschf Geb Hydraulisches Gerät zum Niederbohren der Verrohung in Bohrlöchern
FR1552787A (fr) * 1966-05-16 1969-01-10
DE2223592A1 (de) * 1972-05-15 1973-11-29 Salzgitter Maschinen Ag Gewinnungs- und verrohrungsmaschine
DE2438956A1 (de) * 1974-08-14 1976-02-26 Leffer Stahl & App Hydraulische verrohrungsmaschine
DE2708727A1 (de) * 1977-03-01 1978-09-07 Bronner Hans Rohrschelle fuer eine hydraulische verrohrungsvorrichtung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6796390B1 (en) 1999-09-21 2004-09-28 Shell Oil Company Method and device for moving a tube in a borehole in the ground
EP1118718A2 (fr) * 2000-01-20 2001-07-25 Compagnie Du Sol Equipement de fondation sur pieux à déplacement rotatif
EP1118718A3 (fr) * 2000-01-20 2002-10-23 Compagnie Du Sol Equipement de fondation sur pieux à déplacement rotatif
WO2005054587A1 (fr) * 2003-12-04 2005-06-16 Nimens Joseph R E Procede et appareil d'installation d'un pieu helicoidal
KR101034623B1 (ko) * 2009-08-21 2011-05-12 김성배 케이싱 오실레이터의 실린더 회전결합장치
CN110130435A (zh) * 2019-03-26 2019-08-16 福建浚顺设备科技有限公司 一种多功能的水陆两用挖掘机

Also Published As

Publication number Publication date
EP0058222B1 (fr) 1984-10-03
DE3105707C2 (de) 1986-04-30
DE3105707A1 (de) 1982-08-26
ATE9728T1 (de) 1984-10-15

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