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EP0860638B1 - Dispositif et procédé de pose de tubes céramiques sans excavation - Google Patents

Dispositif et procédé de pose de tubes céramiques sans excavation Download PDF

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Publication number
EP0860638B1
EP0860638B1 EP98102809A EP98102809A EP0860638B1 EP 0860638 B1 EP0860638 B1 EP 0860638B1 EP 98102809 A EP98102809 A EP 98102809A EP 98102809 A EP98102809 A EP 98102809A EP 0860638 B1 EP0860638 B1 EP 0860638B1
Authority
EP
European Patent Office
Prior art keywords
head
pipes
holding axle
pulling
pipe
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
EP98102809A
Other languages
German (de)
English (en)
Other versions
EP0860638A1 (fr
Inventor
Klaus Dr.-Ing. Kleiser
Martin Dr.-Ing. Hofmann
Harald O. Dr.-Ing. Howe
Hans-Jürgen Dipl.-Ing. Weis
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.)
FlowTex Technologie GmbH
Steinzeug GmbH
Original Assignee
FlowTex Technologie GmbH
Steinzeug 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 FlowTex Technologie GmbH, Steinzeug GmbH filed Critical FlowTex Technologie GmbH
Publication of EP0860638A1 publication Critical patent/EP0860638A1/fr
Application granted granted Critical
Publication of EP0860638B1 publication Critical patent/EP0860638B1/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/08—Casing joints
    • 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

Definitions

  • the invention relates to a device and a method for trenchless laying of stoneware pipes.
  • stoneware pipes In addition to stoneware pipes, they come in the same way device according to the invention and the invention Process for laying pipes made of asbestos cement, metal or Cast materials, glass fiber reinforced plastic, concrete or ceramic materials in question, but are set out below Pipes made of the different materials mentioned can be summarized under the term stoneware pipes.
  • the procedure is uncontrolled laying by means of Horizontal pressing device, can be coupled to one another with steel pipes be advanced with the help of a press station.
  • This Propulsion occurs with simultaneous removal of the soil on the Face and mechanical conveyance of the drilling material with Screw conveyors, the drive of the drill head in Starting shaft or in the starting pit.
  • At arrival of the recoverable steel pipes in the target shaft is attached to the last installed steel pipe using a suitable Coupled with a stoneware jacking pipe and advanced. In this way, the Steel pipes pushed out in the target pit and again removed, the outer diameter of the steel pipes The outer diameter of the stoneware jacking pipes must correspond.
  • Another process is the pilot pipe jacking process, in contrast to the uncontrolled one described above Procedure, an additional work step is preceded, to get control.
  • the Starting shaft or the starting pit pilot linkage made of steel can be coupled into the ground driven by displacement.
  • the pilot linkage is inside hollow.
  • a measurement is carried out in the system axis using Theodolite or laser and changes in direction are caused by Rotation of the pilot line made from the starting shaft. After arrival of the pilot tip in the target shaft or the The target pit will be built using a transition piece recoverable steel pipes coupled and the above at Uncontrolled procedure described workflow repeated.
  • the drill head is in the direction of a Target excavation moves and with increasing advance of the Each of the pipes to be laid from above into the Starting pit and placed in the press station.
  • the one between the jacking pipes located pipe connection must not over the contour of the Pipe strand protrude and has the task during the Jacking longitudinal forces from the jacking and transverse Forces from tax movements if necessary simultaneous sealing against the penetration of support and Absorb lubricant.
  • the pipeline be permanently sealed, especially when Groundwater from outside and against compressed air from inside and inside Operating state for the intended service life Water pressure from outside and inside.
  • the basic principle of this known press drilling method lies So in that using a press station, the pipes inserted into the soil structure widened by the drill head become.
  • product pipes can with nominal diameters DN 250 to DN 1000 in jacking lengths up to 150 m more can be installed.
  • US 5,403,122 describes a device for laying Drain pipes with a pull rod with a cutting head is pulled through an existing pipeline.
  • a new one tube to be drawn in is provided with a guide device fed that to be fed on the front of the new Pipe is attached and against the inner wall of the old one Rohres presses.
  • the pull rod is with a pull element, for example, a chain connected to the Bottom linkage is aligned and on a counter pressure plate Holding the pipe segments to be retracted is attached.
  • US 5,403,122 represents the closest prior art represents.
  • the invention has for its object a device and a method for trenchless laying of Propose stoneware pipes where no use additional, complex auxiliary devices stoneware pipes can be relocated.
  • the invention is based on the idea of a device as well as to create a process that is the retraction of Allow stoneware pipes into a hole. This can lead to one of the high equipment costs of a press station for There is no need to insert the stoneware pipes; to the other suitable precautions are taken to ensure the most exact possible axial alignment of the retracted stoneware pipes with the To reach drill pipe.
  • Holding axis from different individual segments. This leaves between the retraction head and the counter pressure plate holding axis to the total length of the between adjust these two components stoneware pipes and also as part of a continuous drilling operation Gradually extend the holding axis in the starting pit and at the same time a new pipe to be drawn in over the Arrange the holding axis.
  • the individual segments the holding axis by thread or connector with each other connectable.
  • the provision of threads or connectors is a very simple and convenient way to get the to connect individual segments of the holding axis with each other.
  • the outer diameter of the retracting head is preferably the same the outside diameter of the pipe to be drawn in or larger than the outside diameter of the pipe to be drawn in. This causes firstly, the lowest possible energy consumption of the whole Laying process, since the retracting head that has the task widen the hole, this only on the Expanded outside diameter of the product pipes to be drawn in. In addition, there is a good investment for the person to be moved in Stoneware pipe with the walls of the bore, thereby the exact axial alignment of the stoneware pipes to be laid is supported.
  • the holding axis is preferably on a single segment each at at least two axially spaced positions Centering devices arranged.
  • Centering devices By providing several, axially spaced centering devices can be Stoneware pipe to be pulled in with great accuracy align, because several in the longitudinal extension of the tube Bases are provided.
  • each comprises Centering device each have a plurality of controllable Hydraulic cylinders that extend radially from the holding axis extend outside and are individually adjustable.
  • the provision of adjustable hydraulic cylinders represents a very accurate and is an option that can be checked from the outside at any time in order to stoneware pipes to be pulled in exactly concentric to the longitudinal axis align the support axis.
  • the centering devices each have a plurality of Leaf springs extending radially outward from the support axis extend and have an arch.
  • Such curved Leaf springs are able to deviate from those to be retracted Stoneware pipes can be flexibly picked up from the desired position and put them back in the exact, desired position due.
  • the Centering device with a swash plate Ne may be used in applied analogously. If the Stoneware pipe adjusts the swashplate by itself back into the desired position.
  • the Centering device a plurality of steel arches, which extend radially outward in the form of elongated spreader arms extend.
  • Such steel arches used in drilling technology referred to as external expanders also meet the desired functions of the dosed recording of Displacements of the stoneware pipes and the targeted Return to the desired position.
  • the stoneware pipes rotate when Do not move in and can also without interrupting the Feed the holding axis by attaching another one Segments are extended.
  • the movement of the drill head is carried out by a process Autopilot device controlled with fuzzy logic control.
  • a process Autopilot device controlled with fuzzy logic control By such a very responsive and highly precise You can already control the movement of the drill head slightest deviations from the desired straight line Recognize the drilling process and an undesirable deviation be counteracted. This allows a possible one Correct drifting of the drill head immediately and through the exact adherence to the specified course of the retraction lighten rigid pipes. Lastly, through the exact Moving the drill uses a rigid drill pipe become.
  • the concentric alignment of the pipes to be laid Holding axis through the targeted activation of hydraulic cylinders running, extending radially outward from the holding axis extend and with the inner wall of the pipe to be laid in Are in contact. This allows one from the outside at any time controllable the exact position of the Bring and maintain laying pipes.
  • Fig. 1 shows a schematic sectional view through the device according to the invention, generally with reference number 10 is designated.
  • Path course which is characterized by the axial direction 12 a hole is drilled in the ground, the Drilling in direction of arrow A is carried out.
  • the hole is made with a torsionally rigid drill pipe as well as with a perfect course-controlled drilling head (not shown) carried out, the drilling operation using a fuzzy logic control is controlled automatically. This allows a very high Accuracy of the path of the drill head along the axis 12 by drifting the drill head immediately is corrected.
  • stoneware pipes are very rigid Pipes, is the exact straight driving of the drill head from of great importance.
  • the Device 10 After the drill head has reached the target pit, the Device 10 shown in Fig. 1 fixed to the drill string 14 attached and into the hole created by the drill head moved in. In the case of a very high expansion required the hole can before attaching the device 10 on Drill pipe also in one or more intermediate steps Expanders are moved through the hole.
  • the Device 10 initially consists of a retracting head 16 which is preferably designed as an expanding head to the generated Bore to the desired nominal size of the to be drawn in Expand the stoneware pipeline. Between the drill string 14 and the retraction head 16 is preferably an angle of rotation (not shown) arranged so that when moving the Device 10 in the direction of arrow A the retractable head 16 as well the following, as described below Components as well as the stoneware pipe to be pulled in rotate.
  • the Retaining axis 18 is preferably made up of several individual segments constructed, only two individual segments 18a in FIG and 18b.
  • the individual segments of the Retaining axis are preferably with a conical thread 20 screwed together so that during the movement of the Drill pipe 14 from the starting pit to the target pit each with progressive movement of the device 10 individual segments of the holding axis 18 each in the Starting pit attached to the existing segments can be.
  • Centering devices 22 are located on the holding axes 18, with the help of the stoneware pipes to be drawn in 24 so be positioned so that they are in the desired position are concentric to axis 12.
  • the schematic in Fig. 1 Centering devices 22 shown consist of several extending radially outward from the holding axis Individual elements that with the inner surface 26 of the Stoneware pipes 24 come into contact. They preferably have individual segments of the holding axis 18 a length of 2 to 3 m and are in different axial positions of each segment 18a, 18b of the holding axis at least two centering devices 22 attached.
  • the centering devices can be regulated Hydraulic cylinders exist with a suitable sensor system are provided and depending on the location of the area a centering device arranged tube 24 thereof Ensure concentric position to axis 12. This can the position of each pipe is determined by suitable sensors be generated by the various sensors Information of a central evaluation and control unit are fed and then the position of the Hydraulic cylinders are controlled so that in the event of a Deviation of the position of the tube 24 from the desired predetermined position a suitable correction movement starts.
  • Providing at least two Has centering devices 23 per segment of the holding axis the advantage that the provision of multiple touch or support points between the centering devices 22 and the tube 24 can determine its position more precisely.
  • the centering devices can be in the form of Leaf spring steels are running that are fixed to the circumference of the Retaining axis 18 are attached and radially outward extend, the leaf spring steels preferably one Have bow.
  • the provision of leaf spring steels serves on the one hand slight movements of the pipes 24 to be drawn in to record, on the other hand by the increased force absorption of the In the event of a high bend, leaf spring steels the tubes 24 back to the desired position.
  • Leaf spring steels can also use round spring steel arches that, for example, from about 10 cm wide, adjacent metal strips are executed.
  • a resilient centering device can also be used Application that are similar to those in drilling technology used external expander brackets from elongated arms consists.
  • the centering device can also be a Grip swashplate with inclinometer. This out the centering device known in civil engineering can Horizontal drilling technology can be applied in an analogous manner. at adjusted a displacement of the stoneware pipe to be retracted the swashplate automatically returns to the desired one Position on.
  • Hard plastic tubes can be commercially available, for example Pipes made of glass fiber materials, carbon fibers or kevlar fibers come into use; but it can also be metal pipes and Cast iron pipes are used.
  • cement pipes with asbestos reinforcement used, which are also for use in the Device 10 are suitable.
  • the tubes used have a preferred nominal diameter between 200 and 300 mm, the wall thickness being approx. 10% of the Corresponds to the nominal diameter. In the case of using For reasons of strength, concrete pipes have a higher wall thickness.
  • the retraction head 16 has an outer diameter that is approximately corresponds to the outer diameter of the tubes 24, the Outside diameter of the retraction head preferably about 1% - 20% is larger than the outside diameter of the pipe to be drawn in 24.
  • the retractable head can be designed so that it directly tube 24a abutting the pull-in head 16 with a sleeve 28 surrounds. In the area of the sleeve 28 there is a seal between the stoneware pipe 24a and the pull-in head 16, to prevent solids or liquids from entering the To prevent pipe.
  • the pressure plate 32 is shown in FIG. 1, that it has an outer ring flange 34, the adjacent tube 24b encloses, it is of course in the same way possible that the pressure plate 32 on the in Fig. 1st shown paragraph 36 of the tube 24 b attacks. Also the Counter pressure plate 32 is a rotationally symmetrical body trained and the geometry of the backing plate on the Dimensions and possibly the shape of the Laying stoneware pipes 24 matched.
  • the sealing ring 30 between the stoneware pipes 24a and 24b shows a sealing ring 30 between the stoneware pipes 24a and 24b.
  • the coupling between the two stoneware pipes consists of a ring Rubber elastomer 40 having an annular support body 42 made of perforated sheet steel.
  • the sealing surfaces of the pipes are open the geometry of the sealing ring used is precisely tailored milled and the end faces of the tubes cut parallel.
  • FIG. 2b shows a further variant of a sealing ring with a steel sleeve.
  • the steel sleeve is there preferably made of V4A stainless steel (steel material 1.4571) and has a pressure transmission ring that is already in the Stainless steel cuff is integrated.
  • the stoneware pipes 24a and 24b shown in Fig. 2b additionally each provided with an annular groove 44, in which is inserted a profile ring 46.
  • the tube and Seal a unit and thus ensure a high Strength, corrosion resistance and tightness of the Pipe connection.
  • the retraction head when reaching the drilling head of the target pit 16 attached to the start pit on the drill pipe 14 and on the pull-in head 16 a first segment 18a of the holding axis 18 attached with centering devices 22 attached thereto and the first stoneware pipe 24a to be drawn in over the Centering devices 22 pushed.
  • the required expansion of the hole can initially not be a one or more expansion heads connected to the device 10 Expanding heads with graduated dimensions through the hole be drawn before the retractor head 16 is used arrives.
  • first stoneware pipe 24a can be drawn.
  • Centering devices 22 take when the pipes are pulled in occurring roll forces and ensure that the Pipes are always guided centrally.
  • the device according to the invention can then also be used arrive when the new stoneware pipes to be pulled in already to replace existing pipes.
  • the new stoneware pipes to be pulled in already to replace existing pipes In this case simultaneously with the movement of the device 10 through the Hole that in this case through the flow channel of the already laid pipes is given, pulling the new stoneware pipes to be laid and pushing out the existing pipes already laid.
  • the Pipes originally laid are here in Direction of movement of the retracting head against the front Retracted head supported and during the movement of the Device 10 pushed out of the hole while in the direction of movement at the rear end of the retracting head the new stoneware pipes are to be installed. It there is thus an exchange of the pipes in one single step.

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  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sewage (AREA)
  • Earth Drilling (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Claims (14)

  1. Dispositif de pose de tubes céramiques (24), comprenant :
    une tige de sondage (14), sur laquelle est fixée une tête d'introduction (16) ;
    un axe de maintien central (18), aligné sur la tige de sondage (14) et sur lequel une plaque de contre-pression (32) peut être fixée, caractérisé en ce que
    plusieurs systèmes de centrage (22) s'étendent de manière radiale vers l'extérieur, à partir de l'axe de maintien (18).
  2. Dispositif selon la revendication 1, caractérisé en ce que l'axe de maintien (18) est constitué de différents segments individuels (18a, 18b).
  3. Dispositif selon la revendication 2, caractérisé en ce que les segments individuels (18a, 18b) de l'axe de maintien peuvent être reliés entre eux par un filetage (20) ou par un connecteur à fiches.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le diamètre extérieur de la tête d'introduction est égal au diamètre extérieur du tube devant être introduit (24) ou supérieur au diamètre extérieur du tube devant être introduit.
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'axe de maintien (18) est constitué de différents segments individuels (18a, 18b) et en ce que sur chaque segment individuel de l'axe de maintien, des systèmes de centrage sont disposés à au moins deux positions placées à distance axiale.
  6. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que chaque système de centrage (22) comprend respectivement plusieurs vérins hydrauliques réglables s'étendant vers l'extérieur à partir de l'axe de maintien (18) et pouvant être réglés individuellement.
  7. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les systèmes de centrage (22) comprennent respectivement plusieurs ressorts à lames, qui s'étendent vers l'extérieur, de manière radiale à partir de la l'axe de maintien (18) et qui présentent une forme courbée.
  8. Dispositif selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les systèmes de centrage (22) comprennent respectivement plusieurs arceaux de tension en acier, qui s'étendent de manière radiale vers l'extérieur, sous forme de bras écarteurs oblongs.
  9. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une articulation tournante est disposée entre la tige de sondage (14) et la tête d'introduction (16).
  10. Procédé pour la pose de tubes céramiques sans excavation, avec un dispositif selon l'une quelconque des revendications précédentes, comprenant les étapes suivantes :
    création d'un perçage avec une tête de perçage commandée par l'allure
    introduction d'une tête d'introduction, disposée de manière axialement fixe sur la tige de sondage (14) :
    fixation d'un segment de l'axe de maintien sur la tête d'introduction, le segment de l'axe de maintien étant aligné en direction axiale avec la tige de sondage
    coulissement d'un tube devant être posé sur le segment de l'axe de maintien ;
    fixation d'une plaque de contre-pression sur le segment de l'axe de maintien le plus éloigné de la tête d'introduction, le tube d'introduction ou les tubes d'introductions étant fixés de manière axiale entre la tête d'introduction et la plaque de contre-pression ; et
    introduction de la tête d'introduction et du tube devant être posé ou des tubes devant être posés dans le perçage.
  11. Procédé selon la revendication 10, caractérisé en ce que le mouvement de la tête de perçage est réglé par un système d'auto-pilotage avec commande fuzzy-logic.
  12. Procédé selon l'une quelconque des revendications 10 et 11, caractérisé en ce que l'alignement concentrique des tubes devant être posés par rapport à l'axe de maintien est réalisé par pilotage ciblé de vérins hydrauliques, qui s'étendent de manière radiale vers l'extérieur, à partir de l'axe de maintien et qui sont en contact avec la paroi intérieure des tubes devant être posés.
  13. Procédé selon l'une quelconque des revendications 10 à 12, caractérisé en ce que l'étape de fixation de l'axe de maintien est réalisée par création d'une liaison par vis entre la tête d'élargissement et le segment de l'axe de maintien ou entre des segments adjacents de l'axe de maintien.
  14. Procédé selon l'une quelconque des revendications 10 à 13, caractérisé en ce que, simultanément à l'introduction d'une tête d'introduction, une tuyauterie initialement posée est poussée hors du perçage.
EP98102809A 1997-02-24 1998-02-18 Dispositif et procédé de pose de tubes céramiques sans excavation Expired - Lifetime EP0860638B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19707286 1997-02-24
DE19707286A DE19707286C1 (de) 1997-02-24 1997-02-24 Vorrichtung und Verfahren zum grabenlosen Verlegen von Steinzeugrohren

Publications (2)

Publication Number Publication Date
EP0860638A1 EP0860638A1 (fr) 1998-08-26
EP0860638B1 true EP0860638B1 (fr) 2002-11-06

Family

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Application Number Title Priority Date Filing Date
EP98102809A Expired - Lifetime EP0860638B1 (fr) 1997-02-24 1998-02-18 Dispositif et procédé de pose de tubes céramiques sans excavation

Country Status (5)

Country Link
EP (1) EP0860638B1 (fr)
AT (1) ATE227403T1 (fr)
DE (2) DE19707286C1 (fr)
ES (1) ES2202670T3 (fr)
PT (1) PT860638E (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
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AU2005266534B2 (en) * 2004-07-27 2010-02-18 Tracto-Technik Gmbh & Co. Kg Apparatus and method for joining a pipe conduit to a drilling device, expanding device, or feeding device
CN104482297A (zh) * 2014-11-15 2015-04-01 赵涌韬 牵引鼠

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DE19941197C2 (de) * 1998-09-23 2003-12-04 Fraunhofer Ges Forschung Steuerung für ein Horizontalbohrgerät
DE10248325A1 (de) * 2002-10-17 2004-05-13 Schott Glas Endenbauteil für Rohre aus sprödbrechendem Material
DE202006012445U1 (de) * 2006-08-11 2008-03-06 Steinzeug Abwassersysteme Gmbh Dichtring
DE102007034109A1 (de) 2007-07-21 2009-01-22 Tracto-Technik Gmbh & Co. Kg Vorrichtung zum Zentrieren von gestängegeführten Erdbohrköpfen
DE102007049605B3 (de) * 2007-10-16 2009-04-30 Karosan Gmbh Innovative Kanal- Und Rohrleitungssanierung Verfahren und Vorrichtung zum Einziehen eines aus Kurzrohren zusammengesetzten Rohrstranges in einen Bohrkanal mit Zugkraftmessung
DE102007049606B4 (de) 2007-10-16 2011-08-25 Karosan GmbH innovative Kanal- und Rohrleitungssanierung, 66557 Verfahren und Vorrichtung zum Einziehen eines aus Kurzrohren zusammengesetzten Rohrstranges in einen Bohrkanal
DE102008028997B4 (de) 2008-06-20 2012-03-01 Dr. Sven Becker und Dr. Michael Bahns GbR (vertretungsberechtigter Gesellschafter: Dr. Sven Becker, 30655 Hannover) Bohrverfahren und Bohrgerät zur Herstellung eines Bohrlochs in Erde und Gestein
DE102008039820A1 (de) * 2008-08-22 2010-03-04 Zerna Ingenieure Gmbh Vortriebsrohr und Aufsatz für ein Vortriebsrohr
CN103453217A (zh) * 2012-05-30 2013-12-18 深圳市钻通工程机械股份有限公司 无扣快装拉杆
CN107060648A (zh) * 2017-05-17 2017-08-18 福建岩土工程勘察研究院 软土地基激振打井装置及其施工方法
CN111734316B (zh) * 2020-06-29 2024-07-19 山东兖能泰德重工有限公司 高压密封宽翼片螺旋钻杆
CN111622771B (zh) * 2020-06-30 2021-01-26 广东省第一建筑工程有限公司 一种顶拉钻管及包含其的施工设备
CN111877987A (zh) * 2020-08-12 2020-11-03 中油昆仑管道工程有限公司 套管安装组件
CN112780834B (zh) * 2021-02-23 2022-11-18 广东保辉建筑工程有限公司 一种管道连续接长顶拉施工方法
CN113446434A (zh) * 2021-07-06 2021-09-28 中铁二十四局集团浙江工程有限公司 一种施工用的退管结构及退管方法

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Publication number Priority date Publication date Assignee Title
US5403122A (en) * 1991-11-06 1995-04-04 Granella; Bruno Process, in particular to install sewer pipes and a device to carry out the process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005266534B2 (en) * 2004-07-27 2010-02-18 Tracto-Technik Gmbh & Co. Kg Apparatus and method for joining a pipe conduit to a drilling device, expanding device, or feeding device
CN104482297A (zh) * 2014-11-15 2015-04-01 赵涌韬 牵引鼠

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EP0860638A1 (fr) 1998-08-26
ES2202670T3 (es) 2004-04-01
DE19707286C1 (de) 1998-11-19
ATE227403T1 (de) 2002-11-15
DE59806135D1 (de) 2002-12-12
PT860638E (pt) 2003-01-31

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