EP2765271B1 - Table de perçage - Google Patents

Table de perçage Download PDF

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Publication number
EP2765271B1
EP2765271B1 EP14151195.6A EP14151195A EP2765271B1 EP 2765271 B1 EP2765271 B1 EP 2765271B1 EP 14151195 A EP14151195 A EP 14151195A EP 2765271 B1 EP2765271 B1 EP 2765271B1
Authority
EP
European Patent Office
Prior art keywords
receiving sleeve
driver
sleeve
drilling table
table according
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.)
Active
Application number
EP14151195.6A
Other languages
German (de)
English (en)
Other versions
EP2765271A1 (fr
Inventor
Christian Heichel
Holger Bube
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.)
ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Original Assignee
ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
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 ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH filed Critical ABI Anlagentechnik Baumaschinen Industriebedarf Maschinenfabrik und Vertriebsgesellschaft mbH
Publication of EP2765271A1 publication Critical patent/EP2765271A1/fr
Application granted granted Critical
Publication of EP2765271B1 publication Critical patent/EP2765271B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B3/04—Rotary tables

Definitions

  • the invention relates to a rotary drilling rig for a rotary drilling rig, comprising a rotatable by means of a rotary receiving sleeve for receiving a Mitauerkonturen Kelly bar according to the preamble of claim 1.
  • the invention further relates to a rotary drilling rig with such a drill table according to the preamble of claim 10.
  • the so-called Kelly bar is used with which the rotational movement or the torque of a drill drive and the vertical movement or the biasing forces are transmitted to the drilling tool.
  • the length of the Kelly bar and the drilling tool determine the maximum achievable drilling depth.
  • the drill drive is on a so-called drilling table, also called drilling carriage or guide carriage, mounted, which is arranged vertically displaceable on a leader. This broker is fixed to a carrier device. The feed of the drill table with the drill drive to generate the required biasing forces via a cable feed or via a hydraulic feed cylinder.
  • the invention aims to remedy this situation.
  • the invention has for its object to provide a rotary table for a rotary drilling rig, in which the assembly and disassembly of the entrainment is simplified. According to the invention, this object is solved by the features of the characterizing part of patent claim 1.
  • a rotary table for a rotary drilling rig in which the assembly or disassembly of the entrainment is simplified.
  • At least one driver bar on at least on its two longitudinal sides on a side projecting overhang, whereby a T-shaped cross-section is formed.
  • a flange-like contact surface is formed, which allows a defined orientation of the entrainment.
  • At least one driver bar with its lateral projections on the outbreak an immediate outer wall of the receiving sleeve, wherein in the lateral projections bores are introduced, through which the driver bar is screwed by screws with the receiving sleeve.
  • a step is arranged in the receiving sleeve on two opposite sides of at least one outbreak, whereby a stop is formed on which abuts a driver bar with their lateral projections.
  • a radial and axial alignment of the carrier strip is achieved.
  • the step and the carrier strip are preferably designed such that the outer surface of the voltage applied to the carrier plate engages in the lateral surface of the receiving sleeve.
  • means for radial securing at least one driver bar are arranged on the receiving sleeve, which are preferably formed by a locking plate, which is a driver bar at least partially overlapping attached to the outer wall of the receiving sleeve.
  • the means for radial securing of the carrier strips can also be formed by a securing sleeve, which is pushed onto the receiving sleeve.
  • openings are introduced in the securing sleeve, which are at least as large in length and width as the corresponding dimensions of the recesses of the receiving sleeve, wherein the securing sleeve is rotatable on the receiving sleeve.
  • the present invention is further based on the object to provide a rotary drilling rig with a guided along a leader Gurklers, which allows easy mounting or dismounting of the entrainment. According to the invention, this object is solved by the features of the characterizing part of patent claim 10.
  • the drilling table chosen as an exemplary embodiment essentially consists of a slide part 2, which is displaceably mounted on a leader (not shown) and receives a rotary drive 3 which has a gear (not shown) with a rotatably arranged receiving sleeve 4 for receiving a Kelly bar (not shown) connected is.
  • the receiving sleeve 4 is provided with three arranged offset by 120 degrees Mit supportive instrumentaln 5, which protrude through introduced in the receiving sleeve 4 outbreaks 41 through the wall of the receiving sleeve 4 and which are fixed via a respective backup plate 6.
  • the receiving sleeve 4 is designed substantially hollow cylindrical and has at its end opposite the carriage part 2 a radially projecting stop ring 40 for the application of a arranged on the male Kelly bar support ring on. Between stop ring 40 and slide part 2 are in the receiving sleeve 4 offset by 120 degrees rectangular trained outbreaks 41 introduced. On the two longitudinal sides of the outbreaks 41, a step 42 for supporting the projections 51 of the entrainment strips 5 is arranged in the receiving sleeve 4. Furthermore, threaded bores 43 are arranged for receiving screws 62 for fastening a securing plate 6.
  • the Mitschelfn 5 are formed substantially cuboid.
  • a laterally projecting projection 51 is integrally formed on the carrier strips 5, whereby the carrier strips have a T-shaped cross-section.
  • the depth of the carrier strip 5 is chosen such that it passes through the wall 42 of the receiving sleeve 4 at stop of the lateral projections 51 to the step and inside a sufficient extent.
  • the carrier strip 5 is designed such that its outer surface 53 inserts into the lateral surface 44 of the receiving sleeve 4 when the lateral projections 51 abut against the step 42.
  • the voltage applied to the steps 42 of the receiving sleeve 4 carrier strips 5 are axially secured via a respective backup plate 6, which are secured by screws 62, the driver bar 5 completely overlapping on the receiving sleeve 4.
  • FIGS. 3 and 4 an alternative possibility of axial securing of the carrier strips 5 is shown.
  • a securing sleeve 7 is arranged rotatably.
  • the safety sleeve 7 is circumferentially offset by 120 degrees to each other with rectangular openings 71 which are greater in height and in width than the Mit vide 51 provided entrainment 5.
  • the locking sleeve 7 is so on the receiving sleeve 4 rotates that the openings 71 are aligned with the openings 41 of the receiving sleeve 4.
  • the locking sleeve 7 After introduction of the entrainment 5 by the outbreaks 41 such that the supernatants 51 abut the steps 42, the locking sleeve 7 is rotated by about 60 degrees, whereby all three driver strips 5 are axially secured (see. Fig. 4 ). Securing this position of the safety sleeve 7, for example, by means of a screw or a bolt.
  • the securing sleeve 7 may be provided on its inner wall with a circumferential groove whose width corresponds approximately to the height of the protruding cam 5. To disassemble the carrier strips 5, the securing sleeve 7 is again rotated by about 60 degrees, whereby the carrier strips 5 are released for removal.

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)

Claims (11)

  1. Table de perçage pour une machine de forage rotatif comprenant une douille réceptacle qui tourne au moyen d'un entraînement rotatif et servant à recevoir une tige Kelly présentant des contours entraîneurs, sachant que contre la paroi intérieure de la douille réceptacle sont agencés des éléments de couplage pour engrener dans les contours entraîneurs de la tige Kelly pour communiquer le couple et les forces de précontrainte, caractérisée en ce que dans la douille réceptacle (4) ont été ménagés des ébréchures (41) à travers lesquelles les éléments de couplage (5) introductibles de l'extérieur sont guidés pour faire saille dans la cavité intérieur de la douille.
  2. Table de perçage selon la revendication 1, caractérisée en ce que les éléments de couplage sont réalisés au moins en partie sous forme de bandeaux entraîneurs (5).
  3. Table de perçage selon la revendication 2, caractérisée en ce qu'au moins un bandeau entraîneur (5) présente au moins contre ses deux côtés longitudinaux une saillie latérale en porte-à-faux (51), ce qui a pour effet de former une section en T.
  4. Table de perçage selon la revendication 3, caractérisée en ce qu'au moins un bandeau entraîneur (5) applique par ses saillies latérales (51) contre la paroi extérieure, entourant une ébréchure (41), de la douille réceptacle (4), sachant que des alésages ont été ménagés dans les saillies latérales (51), alésages à travers lesquels le bandeau entraîneur (5) est vissé contre la douille réceptacle (5) au moyen de vis.
  5. Table de perçage selon la revendication 3 ou 4, caractérisée en ce que dans la douille réceptacle (4), sur deux côtés se faisant face d'au moins une ébréchure (41), est agencée un gradin (42) formant ainsi une butée contre laquelle un bandeau entraîneur (5) applique par ses saillies latérales (51).
  6. Table de perçage selon la revendication 5, caractérisée en ce que le gradin (42) et le bandeau entraîneur (5) sont configurés de telle manière que la surface extérieure (52) du bandeau entraîneur (5) appliquant contre le gradin (42) s'insère dans la surface enveloppante (44) de la douille réceptacle (4).
  7. Table de perçage selon la revendication 5 ou 6, caractérisée en ce que sont agencés, contre la douille réceptacle (4), des moyens permettant la sécurisation radiale d'au moins un bandeau entraîneur (5).
  8. Table de perçage selon la revendication 7, caractérisée en ce que sont formés des moyens permettant la sécurisation radiale par une plaque (6) à cet effet, laquelle plaque est fixée de manière détachable contre la paroi extérieure de la douille réceptacle (4) et recouvre au moins partiellement un bandeau entraîneur (5).
  9. Table de perçage selon la revendication 7, caractérisée en ce que les moyens de sécurisation radiale des bandeaux entraîneurs (5) sont formés par une douille de sécurisation (7) qui est enfilée sur la douille réceptacle (4).
  10. Table de perçage selon la revendication 9, caractérisée en ce que dans la douille de sécurisation (7) ont été ménagés des orifices d'une longueur et d'une largeur au moins égale aux dimensions correspondantes des ébréchures (41) de la douille réceptacle (4), sachant que la douille de sécurisation (7) peut tourner sur la douille réceptacle (4).
  11. Machine de forage rotatif avec table de perçage guidée le long d'une jumelle et présentant une douille réceptacle selon l'une des revendications précédentes, caractérisée en ce que dans la douille réceptacle (4) a été introduite une tige Kelly présentant sur sa circonférence extérieure un contour entraîneur dans lequel engrènent les bandeaux entraîneurs (5) guidés par les ébréchures (41) de la douille réceptacle (4).
EP14151195.6A 2013-02-06 2014-01-14 Table de perçage Active EP2765271B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201320100548 DE202013100548U1 (de) 2013-02-06 2013-02-06 Bohrtisch

Publications (2)

Publication Number Publication Date
EP2765271A1 EP2765271A1 (fr) 2014-08-13
EP2765271B1 true EP2765271B1 (fr) 2016-04-27

Family

ID=48288313

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14151195.6A Active EP2765271B1 (fr) 2013-02-06 2014-01-14 Table de perçage

Country Status (3)

Country Link
US (1) US9458669B2 (fr)
EP (1) EP2765271B1 (fr)
DE (1) DE202013100548U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103982133B (zh) * 2014-04-23 2016-04-13 洛阳雷斯达传动有限公司 一种用于不压井修井机的液压转盘
DE202018104624U1 (de) * 2018-07-06 2019-10-08 Liebherr-Components Biberach Gmbh Bohrgerät
CN115853424B (zh) * 2023-02-20 2023-05-05 山东省地质矿产勘查开发局第五地质大队（山东省第五地质矿产勘查院） 一种用于地质勘探的钻孔设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777670A (en) * 1952-12-15 1957-01-15 Nat Supply Co Roller kelly bushing
US2970458A (en) * 1957-05-01 1961-02-07 Dresser Ind Kelly drive bushing
DE1216218B (de) * 1962-07-20 1966-05-12 Koehring Co Bohrgeraet
US3920087A (en) * 1973-07-16 1975-11-18 Gardner Denver Co Rotary drive and joint breakout mechanism
DE102011109001A1 (de) * 2011-07-29 2013-01-31 Abf-Bohrtechnik Gmbh & Co. Kg Bohrgerät mit Kelly-Stange und äußere Werkzeugschnellbefestigung

Also Published As

Publication number Publication date
US20140216820A1 (en) 2014-08-07
EP2765271A1 (fr) 2014-08-13
DE202013100548U1 (de) 2013-04-10
US9458669B2 (en) 2016-10-04

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