EP0496924B1 - Procédé et dispositif pour la pose de conduits souterrains - Google Patents

Procédé et dispositif pour la pose de conduits souterrains Download PDF

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Publication number
EP0496924B1
EP0496924B1 EP91101325A EP91101325A EP0496924B1 EP 0496924 B1 EP0496924 B1 EP 0496924B1 EP 91101325 A EP91101325 A EP 91101325A EP 91101325 A EP91101325 A EP 91101325A EP 0496924 B1 EP0496924 B1 EP 0496924B1
Authority
EP
European Patent Office
Prior art keywords
pipe
movement
oscillator
drive
tube
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.)
Expired - Lifetime
Application number
EP91101325A
Other languages
German (de)
English (en)
Other versions
EP0496924A1 (fr
Inventor
Helmuth Römer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE91101325T priority Critical patent/DE59100695D1/de
Priority to EP91101325A priority patent/EP0496924B1/fr
Priority to AT91101325T priority patent/ATE98335T1/de
Priority to DK011692A priority patent/DK11692A/da
Publication of EP0496924A1 publication Critical patent/EP0496924A1/fr
Application granted granted Critical
Publication of EP0496924B1 publication Critical patent/EP0496924B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses

Definitions

  • the invention relates to a method and a device for underground driving of pipes.
  • the pipe is hammered into the ground with the aid of a compressed air driven ram, precautions being taken so that the core material displaced into the pipe interior during the advance can escape at the rear pipe end.
  • a drill bit placed on the front pipe end is provided with complex flushing devices for the continuous removal of the core material (DE-U-83 20 972).
  • complex flushing devices for the continuous removal of the core material (DE-U-83 20 972).
  • the invention has for its object the removal of the core material out of the pipe during jacking.
  • the invention is based on the idea of executing the oscillating movement which is superimposed on the linear propulsion movement so asymmetrically that the lifting speed is greater in the forward direction than in the reverse direction.
  • the oscillating movement which actually serves to generate ramming impacts for the advance of the pipe, also has the effect that the core material in the pipe is transported backwards.
  • the soil lying in the pipe is carried along due to the relatively high static friction.
  • the acceleration of the tube becomes so great that the static friction is not sufficient to take the core material forward again. In this way, the core material is actively transported to the rear end of the tube, similar to an oscillating conveyor.
  • Another advantage of the invention is that due to the lower Speed during the reverse stroke with a given drive power a higher force is available to clear the pipe again. In this way, trouble-free operation is achieved even in unfavorable ground conditions, in which the pipe tends to jam in the borehole.
  • the oscillating movement of the tube can be generated, for example, with the aid of a crank mechanism with a rocker arm, a linear motor with suitable control or an arrangement of single or double-acting hydraulic cylinders.
  • the oscillator can be adjusted so that the speed difference between the forward stroke and the reverse stroke is optimized with regard to the pipe diameter, the condition of the ground and the like.
  • a ramming device 12 is installed in a start-up shaft 10, with which a pipe 14 is driven approximately horizontally into the soil 16.
  • the ramming device has a carriage 18 which is adjusted with feet 20 on the bottom of the approach shaft 10 and which is stamped at its end opposite to the direction of advance of the tube supports the rear wall of the approach shaft.
  • a carriage 24 is guided on the carriage 18 and can be driven linearly in the longitudinal direction of the pipe 14 by means of a propulsion device 26 in order to press the pipe into the ground.
  • the carriage 24 in turn carries a tube holder 28, which is guided in the longitudinal direction of the tube 14 and has clamping devices 30, in which the tube 14 is firmly clamped.
  • the tube holder 28 can be moved back and forth relative to the slide 24, so that the tube 14 executes a longitudinal vibration superimposed on the continuous propulsion movement.
  • the front pipe end 34 thus exerts ramming impacts on the ground, so that the penetration of the pipe into the ground is promoted.
  • the oscillator 32 is designed such that the propulsion stroke - to the left in FIG. 1 - takes place at a greater speed than the reverse stroke relative to the carriage 24. As a result, the core material 36 is gradually transported to the rear pipe end and falls to the bottom of the approach shaft 10.
  • the oscillator 32 is, for example, a mechanical oscillator, the principle of which will be explained below with reference to FIG. 2.
  • FIG. 2 shows a part of the pipe holder 28 that is guided in a horizontal direction, parallel to the axis of the pipe 14 in FIG. 1.
  • a slide rail for a pin 40 of a rocker 42 is formed by two projections 38 projecting parallel to one another at right angles to the longitudinal direction of the tube holder.
  • the rocker 42 formed by two parallel rails is fastened at its opposite end to a rotatable axis 44 and can thus be pivoted in the direction of the arrows A.
  • a crank disk 46 driven by a motor has an eccentric crank pin 48 which engages between the two rails of the rocker 42.
  • the speed of the tube holder 28 is proportional to the speed of the transverse movement of the crank pin 48 (parallel to the double arrow C) and inversely proportional to the respective one Distance between the crank pin 48 and the axis 44.
  • the position of the crank pin 48 shown in solid lines in FIG. 2 corresponds to a position shortly before the front turning point. If the crank pin moves through the position 48 ′ during the subsequent reverse stroke, its distance from the axis 44 is relatively large and the stroke speed of the tube holder 28 is therefore only low. If, on the other hand, the crank pin moves through the position 48 ′′ during the forward stroke, its distance from the axis 44 is considerably smaller, so that a significantly higher stroke speed results during the forward stroke.
  • the ratio of the speeds of the tube holder 28 during the forward and reverse stroke can be varied continuously.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Transplanting Machines (AREA)
  • Attitude Control For Articles On Conveyors (AREA)

Claims (5)

  1. Procédé pour la pose de conduites souterraines, selon lequel un mouvement oscillant dans le sens longitudinal est superposé au mouvement d'avancement de la conduite (14), caractérisé en ce que le mouvement oscillant se fait à une vitesse de levage plus grande dans la direction d'avancement que dans le sens opposé.
  2. Dispositif pour la mise en oeuvre du procédé selon la revendication 1, comprenant un support de conduite (28) pour la fixation de la conduite (14), un dispositif de propulsion (26) pour la génération du mouvement d'avancement du support de conduite et de la conduite, et un oscillateur (32) pour la génération d'un mouvement alternatif du support de conduite dans le sens longitudinal de la conduite qui se superpose au mouvement d'avancement, caractérisé en ce que l'oscillateur peut fonctionner de manière que sa vitesse de levage dans la direction d'avancement est plus grande que la vitesse de levage dans le sens opposé.
  3. Dispositif selon la revendication 2, caractérisé en ce que l'oscillateur est constitué par un mécanisme à bielle et manivelle (46) avec bielle oscillante (42).
  4. Dispositif selon la revendication 2, caractérisé en ce que l'oscillateur (32) comporte au moins un ensemble piston-cylindre.
  5. Dispositif selon la revendication 2, caractérisé en ce que l'oscillateur (32) est un moteur linéaire.
EP91101325A 1991-02-01 1991-02-01 Procédé et dispositif pour la pose de conduits souterrains Expired - Lifetime EP0496924B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE91101325T DE59100695D1 (de) 1991-02-01 1991-02-01 Verfahren und Vorrichtung zum unterirdischen Vortreiben von Rohren.
EP91101325A EP0496924B1 (fr) 1991-02-01 1991-02-01 Procédé et dispositif pour la pose de conduits souterrains
AT91101325T ATE98335T1 (de) 1991-02-01 1991-02-01 Verfahren und vorrichtung zum unterirdischen vortreiben von rohren.
DK011692A DK11692A (da) 1991-02-01 1992-01-31 Fremgangsmaade og apparatur til fremdrivning af roer i jorden

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91101325A EP0496924B1 (fr) 1991-02-01 1991-02-01 Procédé et dispositif pour la pose de conduits souterrains

Publications (2)

Publication Number Publication Date
EP0496924A1 EP0496924A1 (fr) 1992-08-05
EP0496924B1 true EP0496924B1 (fr) 1993-12-08

Family

ID=8206356

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101325A Expired - Lifetime EP0496924B1 (fr) 1991-02-01 1991-02-01 Procédé et dispositif pour la pose de conduits souterrains

Country Status (4)

Country Link
EP (1) EP0496924B1 (fr)
AT (1) ATE98335T1 (fr)
DE (1) DE59100695D1 (fr)
DK (1) DK11692A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004181A (en) * 1958-07-14 1961-10-10 Bosch Arma Corp Alternator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229912A (en) * 1941-01-28 Method and apparatus for displacing
GB1050151A (fr) * 1900-01-01
US3741315A (en) * 1970-01-08 1973-06-26 Mining Dev Ag Drilling or cutting or earth strata
US4000879A (en) * 1974-10-23 1977-01-04 The Charles Machine Works, Inc. Pushing or pulling apparatus for pipe, rod or the like
GB2091782B (en) * 1981-01-23 1984-08-15 Inst Gornogo Dela Sibirskogo O Emtying spoil from pipes
JPS57146895A (en) * 1981-03-09 1982-09-10 Hitachi Construction Machinery Vibration type pipe embedding apparatus
FR2509770A1 (fr) * 1981-07-16 1983-01-21 Inst Gornogo Dela Sibirskogo O Procede de pose de conduites sans creusement de tranchees

Also Published As

Publication number Publication date
ATE98335T1 (de) 1993-12-15
EP0496924A1 (fr) 1992-08-05
DE59100695D1 (de) 1994-01-20
DK11692D0 (da) 1992-01-31
DK11692A (da) 1992-08-02

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