EP3135853A1 - Kombinierte antriebshülse von bohranlagen mit sicher befestigtem ziehkeil - Google Patents

Kombinierte antriebshülse von bohranlagen mit sicher befestigtem ziehkeil Download PDF

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Publication number
EP3135853A1
EP3135853A1 EP14890225.7A EP14890225A EP3135853A1 EP 3135853 A1 EP3135853 A1 EP 3135853A1 EP 14890225 A EP14890225 A EP 14890225A EP 3135853 A1 EP3135853 A1 EP 3135853A1
Authority
EP
European Patent Office
Prior art keywords
driving sleeve
fixed
draw key
stopper block
drilling rig
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
EP14890225.7A
Other languages
English (en)
French (fr)
Other versions
EP3135853B1 (de
EP3135853A4 (de
Inventor
Qinghua He
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.)
Sunward Intelligent Equipment Co Ltd
Original Assignee
Sunward Intelligent Equipment Co Ltd
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 Sunward Intelligent Equipment Co Ltd filed Critical Sunward Intelligent Equipment Co Ltd
Publication of EP3135853A1 publication Critical patent/EP3135853A1/de
Publication of EP3135853A4 publication Critical patent/EP3135853A4/de
Application granted granted Critical
Publication of EP3135853B1 publication Critical patent/EP3135853B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • 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
    • E21B3/022—Top drives
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
    • 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
    • E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer

Definitions

  • the present invention relates to the technical field of drilling rigs, and more particularly to a combined driving sleeve of a drilling rig with a reliably fixed draw key.
  • the driving sleeve and the drill rod typically fit with each other by use of a key groove structure.
  • a key bar on the drill rod frequently rubs against the key groove of the driving sleeve, and thus is prone to wear and needs to be replaced and repaired.
  • driving sleeves there are two kinds of driving sleeves in the market at present, in which one is an integrated driving sleeve that has an inner cavity machined into the form of a key groove capable of directly fitting with a drill rod, is a single part with a simple structure and needs to be replaced integrally after its excessive wear with relatively high cost; the other one is a combined driving sleeve, i.e., it is assembled with a driving sleeve body, a relevant draw key, a stopper block, bolts and the like.
  • Such a combined driving sleeve is relatively low in cost because only the draw key may be separately replaced after the key bar is worn down, and then the service life of the expensive driving sleeve body is prolonged.
  • the structure of the existing traditional combined driving sleeve is that the draw key is fixed in the inner-hole groove of the driving sleeve by means of a plurality of rows of bolts distributed on the draw key.
  • Such a structure has the following problems: complicated threaded hole machining with high accuracy requirement; unreliably fixed and easily loosening and falling draw keys; complicated mounting and dismounting, demand on dismounting and mounting of dozens of bolts in the narrow-space inner holes of the driving sleeve of replacement, which results in high labor intensity and consumes long time.
  • the technical problem to be solved by the present invention is that the draw key of the combined driving sleeve of a drilling rig in the prior art are fixed not reliably, prone to loosen and fall, and complicated in dismounting; therefore, there is a need to provide a combined driving sleeve of a drilling rig with a reliably fixed draw key.
  • the present invention provides a combined driving sleeve of a drilling rig with a reliably fixed draw key.
  • the driving sleeve comprises: a driving sleeve body, a draw key, a fixed stopper block, a movable stopper block, and bolts.
  • the fixed stopper block is fixed at one end of a groove of the driving sleeve body, while the movable stopper block is fixed at the other end of the groove of the driving sleeve body by means of a bolt, and the draw key is fixed in the groove of the driving sleeve body by means of the fixed stopper block.
  • the draw key is longitudinally symmetrical.
  • the fixed stopper block at one end of the groove of the driving sleeve body is replaced by a movable stopper block.
  • one or more stopper steps in a certain matching relation with each other are machined on each of the draw key, the fixed stopper block and the movable stopper block.
  • each stopper step is a bevel or a combination of a bevel and a plane.
  • the structure of an existing combined driving sleeve is that a draw key 2 is mounted in the groove of a driving sleeve body 1 via a bolt 3, with fixed stopper blocks 6 at upper and lower ends.
  • a draw key 2 is mounted in the groove of a driving sleeve body 1 via a bolt 3, with fixed stopper blocks 6 at upper and lower ends.
  • Such a structure has the following problems: it is difficult to machine; it is difficult and expensive to machine dozens of fixing holes for bolts 3 in the driving sleeve body 1 and the draw key 2 with strict requirement on position tolerance of the holes.
  • the problem of leakage of lubricating oil from a gear box outside the driving sleeve body via the bolt holes may also need to be solved; the way of fixing the draw key is unreliable, leading to easy loosening and falling and thus a construction stop failure; the detachment and replacement are complicated; for replacement, dozens of bolts need to be detached and mounted in the narrow-space inner holes of the driving sleeve, which results in high labor intensity and consumes long time.
  • Fig. 2 shows the way of mounting the draw key of the combined driving sleeve of the present invention.
  • a fixed stopper block 6 is fixed at one end of the groove of a driving sleeve body 1
  • a movable stopper block 7 is fixed at the other end of the groove of the driving sleeve body by means of a bolt 8.
  • a draw key 5 is fixed in the groove of the driving sleeve body 1 by the fixed stopper block 6 and the movable stopper block 7.
  • Steps in a certain matching relation with each other are machined on each of the draw key 5, the fixed stopper block 6 and the movable stopper block 7, and the two ends of the draw key 5 are fixed in the groove simply and reliably by the fixed stopper block 6 and the movable stopper block 7 with the stopper steps.
  • a drive gear is connected to the combined driving sleeve.
  • a drill rod 4 is inserted into the combined driving sleeve, and torque and pressure are transferred by means of a key on the drill rod 4 and the draw key 5 of the combined driving sleeve.
  • the draw key 5 may be manufactured into a symmetrical structure so as to be inverted during mounting.
  • a motor reducer in a power head drives a driving gear to rotate, and the driving gear drives the drive gear to cause rotation of the combined driving sleeve along with the drill rod.
  • the draw key 5 needs to be replaced after being worn down to a certain degree.
  • the replacement can be achieved by only removing the bolt 8.
  • the working space for removing the bolt is large.
  • the combined driving sleeve of the present invention is relatively simple in machining. It only needs to machine each of the stopper blocks and the draw key into the form of stopper steps without bolt holes machined in the draw key 5 and the driving sleeve body 1.
  • the way of fixing is simple and reliable.
  • the operating space for replacing the draw key 5 is large. Few bolts 8 are detached. It is also convenient for moment screwing on the bolts.
  • the mounting form of the draw key of the combined driving sleeve of the present invention further includes the following structures.
  • the combined driving sleeve of the present invention is not limited to the form of being fixed at one end and movable at the other end, and may be designed into a structure form with the stopper blocks at both ends being the movable stopper blocks 7.
  • the stopper steps of the stopper blocks of the combined driving sleeve of the present invention may be a multi-step structure of more than two steps.
  • each of the stopper steps of the stopper blocks of the combined driving sleeve provided by the present invention may be in the form of a bevel or the combination of a bevel and a plane.
  • the combined driving sleeve of a drilling rig with a reliably fixed draw key of the present invention comprises the driving sleeve body, the draw key, the fixed stopper block, the movable stopper block, and the bolts.
  • the combined driving sleeve of a drilling rig with a reliably fixed draw key of the present invention is reliable in fixation, simple in structure, stable to operate, convenient to repair, and low in manufacturing cost.
  • the combined driving sleeve of a drilling rig with a reliably fixed draw key of the present invention is very considerable in economic and social benefits.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Earth Drilling (AREA)
EP14890225.7A 2014-04-25 2014-12-25 Kombinierte antriebshülse von bohranlagen mit sicher befestigtem ziehkeil Active EP3135853B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410172013.7A CN103924916B (zh) 2014-04-25 2014-04-25 一种活动键固定可靠的钻机组合式驱动套
PCT/CN2014/094943 WO2015161664A1 (zh) 2014-04-25 2014-12-25 一种活动键固定可靠的钻机组合式驱动套

Publications (3)

Publication Number Publication Date
EP3135853A1 true EP3135853A1 (de) 2017-03-01
EP3135853A4 EP3135853A4 (de) 2017-07-05
EP3135853B1 EP3135853B1 (de) 2020-04-29

Family

ID=51143282

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14890225.7A Active EP3135853B1 (de) 2014-04-25 2014-12-25 Kombinierte antriebshülse von bohranlagen mit sicher befestigtem ziehkeil

Country Status (3)

Country Link
EP (1) EP3135853B1 (de)
CN (1) CN103924916B (de)
WO (1) WO2015161664A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103924916B (zh) * 2014-04-25 2016-08-24 山河智能装备股份有限公司 一种活动键固定可靠的钻机组合式驱动套
CN114320179A (zh) * 2022-01-06 2022-04-12 恒天九五重工有限公司 一种动力头驱动键套装置及旋挖钻机动力头

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979926A (en) * 1957-12-23 1961-04-18 Joy Mfg Co Split kelly driver
US3987856A (en) * 1975-11-13 1976-10-26 Smith International, Inc. Kelly crowd for vertical drill rig
CN201567950U (zh) * 2009-11-25 2010-09-01 于庆达 可安装多种规格和型式钻杆的旋挖钻机动力头
CN101956524B (zh) * 2010-09-03 2012-06-27 北京市三一重机有限公司 旋挖钻机及其动力头传动装置
CN201802307U (zh) * 2010-09-03 2011-04-20 北京市三一重机有限公司 旋挖钻机及其动力头传动装置
ITAN20110097A1 (it) * 2011-07-14 2013-01-15 I M T Internat S P A Testa di azionamento per aste telescopiche di perforazione e macchina operatrice comprendente detta testa.
CN202627984U (zh) * 2012-06-28 2012-12-26 上海中联重科桩工机械有限公司 旋挖钻机钻杆及具有其的旋挖钻机
CN103195373B (zh) * 2013-04-03 2015-07-29 徐州徐工基础工程机械有限公司 一种旋挖钻机动力头可拆卸的组合式驱动键
CN203188903U (zh) * 2013-04-03 2013-09-11 徐州徐工基础工程机械有限公司 旋挖钻机动力头可拆卸的组合式驱动键
CN203201490U (zh) * 2013-04-26 2013-09-18 厦门厦工机械股份有限公司 改进的旋挖钻机动力头驱动套
CN103277040A (zh) * 2013-05-28 2013-09-04 高邮市恒辉机械有限公司 旋挖钻、长螺旋钻机共用的动力头
CN203362024U (zh) * 2013-05-28 2013-12-25 高邮市恒辉机械有限公司 旋挖钻、长螺旋钻机共用的动力头
CN103590755B (zh) * 2013-10-21 2016-01-20 北京市三一重机有限公司 键套、轮毂和旋挖钻机
CN103924916B (zh) * 2014-04-25 2016-08-24 山河智能装备股份有限公司 一种活动键固定可靠的钻机组合式驱动套

Also Published As

Publication number Publication date
EP3135853B1 (de) 2020-04-29
CN103924916B (zh) 2016-08-24
WO2015161664A1 (zh) 2015-10-29
EP3135853A4 (de) 2017-07-05
CN103924916A (zh) 2014-07-16

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