WO2004018925A1 - Systeme d'assemblage pour l'insertion de canalisations - Google Patents

Systeme d'assemblage pour l'insertion de canalisations Download PDF

Info

Publication number
WO2004018925A1
WO2004018925A1 PCT/EP2003/009177 EP0309177W WO2004018925A1 WO 2004018925 A1 WO2004018925 A1 WO 2004018925A1 EP 0309177 W EP0309177 W EP 0309177W WO 2004018925 A1 WO2004018925 A1 WO 2004018925A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixing
pipe
connection system
fixing elements
connecting element
Prior art date
Application number
PCT/EP2003/009177
Other languages
German (de)
English (en)
Inventor
Franz-Josef Püttmann
Original Assignee
Tracto-Technik 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
Priority claimed from DE10241610A external-priority patent/DE10241610B4/de
Application filed by Tracto-Technik Gmbh filed Critical Tracto-Technik Gmbh
Priority to AU2003258635A priority Critical patent/AU2003258635A1/en
Publication of WO2004018925A1 publication Critical patent/WO2004018925A1/fr

Links

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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/20—Grappling tools, e.g. tongs or grabs gripping internally, e.g. fishing spears
    • 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
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • 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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • E21B7/30—Enlarging drilled holes, e.g. by counterboring without earth removal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/12—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ
    • F16L55/128—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
    • F16L55/136—Means for stopping flow from or in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes

Definitions

  • the invention relates to a connection system for connecting a pipe to be drawn into the ground with a pulling device and claims the priorities of German patent applications 102 38 917.3 and 102 41 610.9-24, to which reference is made in terms of content.
  • the pipe is coupled to the pull-in device via a connecting element.
  • a connecting element usually consists of an expanding or cutting nipple which is screwed into the tube.
  • the expansion nipple has segments that are pressed against the pipe wall with the aid of a cone by means of a bolt, in that the cone is moved longitudinally with the bolt in the direction of the segments.
  • BESTATIGUNGSKOPIE In certain cases, there is a risk that pipes, which are to be used, for example, for the transport of gas or drinking water, will become soiled during installation. Since the connecting elements between the pulling-in device and the pipe to be pulled in are not tight, the pipes must be completely cleaned and, if necessary, disinfected after being pulled in, in particular if the bore passes through wet soil, before being put into use, in order to be useful for their intended function.
  • connection system for pulling in pipelines which only assumes its final position after the connection element has been inserted into the pipe.
  • This offers the advantage that a seal can be used, which is only brought into its sealing shape when the connecting element is inserted.
  • the connecting element has an expandable sealing element in its front area, which is spread by a spreading head when the spreading head or the sealing element is displaced longitudinally against the pipe wall, the spreading head and / or the seal being displaceable from outside the pipe by a slide ,
  • the invention is based on the object of creating a connection system which is associated with low production costs.
  • the invention is based on the idea that instead of fixing elements, which are spread together via a cone against the inner wall of the tube, the displacement of the fixing elements in the direction of the inner wall of the tube can be achieved by moving the fixing elements against one another.
  • a displacement path is in each case achieved from the pipe axis to the outside in the direction of the pipe wall.
  • the angle ⁇ of the plane of displacement to the pipe axis is preferably 10 ° to 60 °.
  • the fixing elements have sliding surfaces on which they are moved into the fixing position.
  • the ratio of the displacement path along the tube axis to the displacement path in the direction of the tube wall from the tube axis can be adjusted via the angle ⁇ , taking into account the desired force ratios.
  • connection system allows a connection system to be produced from only two components, in which the sliding surfaces can then rest against one another in the installed position.
  • the connection system according to the invention is designed with a rear and a front fixing element
  • the rear fixing element can be pulled over the front fixing element by means of a connecting element (e.g. rope or rod) on the sliding surface, so that either at least the rear fixing element or both fixing elements move in the direction of the pipe wall.
  • the connecting element can then be coupled to a pulling device.
  • the holding force acting on the tube wall can be adjustable via the connecting element or can also increase with increasing pulling force acting on the connecting element via the pulling device.
  • the connecting element is preferably designed as a threaded rod which is arranged in an internal thread of the rear fixing element or a body provided behind the rear fixing element and pulls the rear fixing element over the front fixing element when it rotates.
  • a sealing element can be provided at the rear and / or front end of the fixing elements. This is preferably designed as an expandable sealing ring, which is moved by an expansion head during the longest displacement the connecting element is spread against the pipe wall.
  • Corresponding sealing elements are described in DE 197 47 250 A1, to which reference is hereby made in full.
  • the fixing elements from a one-piece body, such as a hollow cylinder with a tooth profile.
  • a body can then be separated into two partial bodies by a cut that is oblique with respect to its axis, which can be used as fixing elements, while the cut surface serves as a sliding plane.
  • the partial bodies can be inserted into the tube to be drawn, a connecting means such as a rod or a threaded rod making the connection to a pulling device, preferably via a swivel joint, and being connected to the rear partial body at the same time.
  • the displacement path of the connecting means with respect to one or both fixing elements is used to spread a seal.
  • a seal can be connected to the pipe wall by spreading or pinching. This seal can be arranged at the rear end of the fixing elements and pulled against the rear fixing element via a cone connected to the threaded rod described, the spreading of the sealing element preferably starting when the fixing element has come into engagement with the tube wall.
  • the fixing elements are moved against one another by applying both a force on the rear and a force acting in the opposite direction on the front fixing element in order to bring them into engagement with the pipe wall and, if necessary, to spread a sealing element.
  • a block or cylinder is cut diagonally to produce the connecting system according to the invention and one of the resulting sections is connected with a connecting means such as one or two flat bars.
  • the second section with the inclined surface resulting from the separation is then placed against the inclined surface of the first section and the first section is drawn over the second section via the connecting means, such as flat iron in the pipe, thereby engaging in the pipe wall ,
  • the connecting means such as flat iron in the pipe
  • This embodiment of the invention also allows solid elements to be used for the fixing elements, the connecting means being able to be arranged on the outer surface of a fixing means.
  • the use of flat iron also has the advantage that it ensures a certain amount of guidance for the front fixing element.
  • FIG. 1 shows a connection system according to the invention
  • connection system 3 shows a further embodiment of the connection system according to the invention.
  • connection system has a front fixing element 1 and a rear fixing element 2, made from a hollow cylinder with tooth profile 6 separated on the surfaces 3 and 4.
  • the separating surfaces 3, 4 also serve as a sliding plane for moving the fixing elements 1, 2 in the direction of the tube wall.
  • a threaded rod 8 with a Turret 10 inserted into the bore 11 a, b of the fixing elements 1, 2 and screwed into a thread 11 c arranged on the rear fixing element 2.
  • the sliding surfaces 3, 4 are brought to congruence and the connection system is inserted into the pipe 12 to be fixed.
  • the threaded rod 8 By turning the threaded rod 8, the rear fixing element 2 now moves up on the sliding surface 3 of the front fixing element 1 when the threaded rod 8 is connected to the fixing element 1, since the fixing element 1 has no thread.
  • the threaded rod can consist of two opposite thread sections, in which case the fixing elements 1, 2 have opposite threads. In both cases, the fixing elements 1, 2 are brought into engagement with the tube 12 by turning the threaded rod.
  • the front fixing element has a head 14 which either lies against the pipe end or can be inserted into the pipe. In the embodiment lying against the pipe end, the head 14 of the fixing element 1 can have a sealing ring which seals the head 14 against the pipe end.
  • a sealing ring 24 is provided at the end of the rear fixing element 2 and is pulled through a pressure plate 25 via the connecting element 8 against the rear fixing element 2 in order to seal the pipe against the ingress of dirt.
  • a block which is diagonally separated into two fixing elements 1, 2 each has tooth profiles 36, 37.
  • Flat irons 38, 39 are welded to a fixing element 2.
  • the second fixing element 1 is inserted with its sliding surface 3 onto the sliding surface 4 of the fixing element 2 between the flat irons 38, 39.
  • the connection system is pushed into a tube, the fixing element 2 being pulled over the fixing element 1 by means of the flat irons 38, 39 in order to fix the tube.
  • the flat iron bores 40 for this purpose, the flat iron bores 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

L'invention concerne un système d'assemblage servant à relier une canalisation, destinée à être insérée dans le sol, à un dispositif de traction. Ce système comprend un élément d'assemblage (8), ainsi que des éléments de fixation (1, 2) pouvant être déplacés par l'intermédiaire de l'élément d'assemblage sur un plan disposé dans un angle α par rapport à l'axe de la canalisation. L'invention se caractérise en ce que lesdits éléments de fixation sont disposés mobiles l'un par rapport à l'autre.
PCT/EP2003/009177 2002-08-20 2003-08-19 Systeme d'assemblage pour l'insertion de canalisations WO2004018925A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003258635A AU2003258635A1 (en) 2002-08-20 2003-08-19 Assembly system for pipe insertion

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10238971.3 2002-08-20
DE10238971 2002-08-20
DE10241610A DE10241610B4 (de) 2002-08-20 2002-09-07 Adapter zum Verbinden einer einzuziehenden Rohrleitung mit einer Zugvorrichtung
DE10241610.9 2002-09-07

Publications (1)

Publication Number Publication Date
WO2004018925A1 true WO2004018925A1 (fr) 2004-03-04

Family

ID=31947624

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/009177 WO2004018925A1 (fr) 2002-08-20 2003-08-19 Systeme d'assemblage pour l'insertion de canalisations

Country Status (2)

Country Link
AU (1) AU2003258635A1 (fr)
WO (1) WO2004018925A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928438A1 (fr) * 2008-03-06 2009-09-11 Legris Sa Raccord a fourrure interne radialement expansible.
US8122960B2 (en) 2009-08-17 2012-02-28 Baker Hughes Incorporated Spoolable coiled tubing spear for use in wellbores and methods of using same
US9637992B2 (en) 2013-08-01 2017-05-02 Baker Hughes Incorporated Downhole spear having mechanical release mechanism for use in wellbores and methods of using same

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410197A (en) * 1981-11-18 1983-10-18 St Hillaire Raymond P Shaft assembly for extending the height of the stem of a bicycle fork
US4674914A (en) * 1984-01-19 1987-06-23 British Gas Corporation Replacing mains
FR2685279A1 (fr) * 1991-12-18 1993-06-25 Fister Christian Potence de guidon de velo a geometrie variable.
DE19508450A1 (de) 1995-03-09 1996-09-12 Tracto Technik Rammbohrgerät zum zerstörenden Ersetzen erdverlegter Rohrleitungen
DE19530972A1 (de) 1995-08-23 1997-02-27 Tracto Technik Selbstgetriebenes Rammbohrgerät
DE19704006A1 (de) * 1996-03-14 1997-09-18 Festo Kg Unterteilungsvorrichtung für einen Druckmittelkanal
DE19747250C1 (de) 1997-10-25 1999-01-14 Tracto Technik Verbindungsstück zum Einziehen von Rohrleitungen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410197A (en) * 1981-11-18 1983-10-18 St Hillaire Raymond P Shaft assembly for extending the height of the stem of a bicycle fork
US4674914A (en) * 1984-01-19 1987-06-23 British Gas Corporation Replacing mains
FR2685279A1 (fr) * 1991-12-18 1993-06-25 Fister Christian Potence de guidon de velo a geometrie variable.
DE19508450A1 (de) 1995-03-09 1996-09-12 Tracto Technik Rammbohrgerät zum zerstörenden Ersetzen erdverlegter Rohrleitungen
DE19530972A1 (de) 1995-08-23 1997-02-27 Tracto Technik Selbstgetriebenes Rammbohrgerät
DE19704006A1 (de) * 1996-03-14 1997-09-18 Festo Kg Unterteilungsvorrichtung für einen Druckmittelkanal
DE19747250C1 (de) 1997-10-25 1999-01-14 Tracto Technik Verbindungsstück zum Einziehen von Rohrleitungen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928438A1 (fr) * 2008-03-06 2009-09-11 Legris Sa Raccord a fourrure interne radialement expansible.
US8122960B2 (en) 2009-08-17 2012-02-28 Baker Hughes Incorporated Spoolable coiled tubing spear for use in wellbores and methods of using same
US9637992B2 (en) 2013-08-01 2017-05-02 Baker Hughes Incorporated Downhole spear having mechanical release mechanism for use in wellbores and methods of using same

Also Published As

Publication number Publication date
AU2003258635A1 (en) 2004-03-11

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