JPS60123234A - Screwing method of tapered screw - Google Patents
Screwing method of tapered screwInfo
- Publication number
- JPS60123234A JPS60123234A JP23061283A JP23061283A JPS60123234A JP S60123234 A JPS60123234 A JP S60123234A JP 23061283 A JP23061283 A JP 23061283A JP 23061283 A JP23061283 A JP 23061283A JP S60123234 A JPS60123234 A JP S60123234A
- Authority
- JP
- Japan
- Prior art keywords
- thread
- male
- screw
- female
- coupling
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 13
- 230000013011 mating Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 abstract description 19
- 238000010168 coupling process Methods 0.000 abstract description 19
- 238000005859 coupling reaction Methods 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 abstract 1
- 230000001012 protector Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000011295 pitch Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/061—Screw or nut setting or loosening machines for pipes or pipe-couplings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (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)
- Automatic Assembly (AREA)
Abstract
Description
【発明の詳細な説明】 大発明は、テーパねじの螺合方法に関する。[Detailed description of the invention] The present invention relates to a method for threading tapered screws.
油井管にあっては、テーパ酸ねじを螺設されてなる一方
の管端部に、テーパ酸ねじを螺設されてなるカップリン
グを螺着して出荷し、油井のある− 現地において、隣
接する管相互間をヒ記カップリングによって接続可能と
している。なお、Ｌ記油井管にあっては、テーパ酸ねじ
を螺設されてなる他方の管端部にも、テーパ酸ねじを螺
設されてなるプロテクタを螺着して出荷し、管端部に螺
設されているねじ面を保護可能としている。In the case of oil country tubular goods, a coupling with a tapered acid thread is screwed onto one end of the pipe with a tapered acid thread, and then shipped. It is possible to connect the pipes with each other using the coupling described in (h). In addition, for L oil country tubular goods, a protector with a tapered acid thread is screwed onto the other end of the pipe where the tapered acid thread is threaded, and then shipped. The threaded surface can be protected.
第１図は、従来のＬ配管端部に対するカップリングまた
はプロテクタの螺合方法を一部破断して示す側面図であ
る。すなわち、支持台ｌにはシリンダ装Ｎ２によって進
ボ可能とされるフレーム３か支持され、フレーム３にほ
ばね４を介してブローク５がフローティング可能に支持
されている。ブローク５には、支持軸６、面板７、軸受
８を介して、３個のグリップロール９が回転可能に支持
されている。各グリップロール９は、油圧モータ１０に
よって駆動可能とされるとともに。FIG. 1 is a partially cutaway side view showing a conventional method of screwing a coupling or a protector onto the end of an L pipe. That is, a frame 3 which can be advanced by a cylinder assembly N2 is supported on the support stand 1, and a broke 5 is supported by the frame 3 through a spring 4 so as to be floating. Three grip rolls 9 are rotatably supported on the broker 5 via a support shaft 6, a face plate 7, and a bearing 8. Each grip roll 9 can be driven by a hydraulic motor 10.
カップリング（またはプロテクタ）１１を把持可能とし
ている。The coupling (or protector) 11 can be gripped.
すなわち、従来のカップリングまたはプロテクタの螺合
方法にあっては、フローティング状態で支持されてなる
カップリンタ１１を、グリップロール９の作動によって
回転させながら、固定状態に配置されている管１２に対
して前進させることにより、カップリング１１と管１２
を相互に螺合させている。That is, in the conventional coupling or protector screwing method, the coupler 11 supported in a floating state is rotated by the operation of the grip rolls 9 while being rotated with respect to the fixed pipe 12. By moving the coupling 11 and the tube 12 forward,
are screwed together.
しかしながら、Ｌ記従来のテーパねじの螺合方法にあっ
ては、カップリング１１の雌ねじの凸部と管１２の雄ね
じの凸部が第２図に示すように相ηに噛み合ってしまう
と、両者のくさび効果により、ｎ合が困難となるばかり
か１両者が外れにくくなったり、両者を外す際に大きな
力が作用してねし面に損傷を与えるおそれがある。なお
、Ｌ配本都合は、犬山ねじにおけるより、パットレスね
しく角田ねし）におけるように山頂平行部か大きい場合
ｆＩ顕著である。However, in the conventional tapered screw threading method described in L, if the convex part of the female thread of the coupling 11 and the convex part of the male thread of the tube 12 mesh in phase η as shown in FIG. Due to the wedge effect, it becomes difficult not only to connect the two parts, but also to make it difficult to remove the two parts, or to remove the two parts, a large force is applied and there is a risk of damage to the wedge surfaces. Note that the fI is more pronounced when the parallel portion of the crest is large, such as in a padless thread or a Kakuda thread, than in a dog thread.
本発明は、テーバ酸ねしとテーパ雄ねじとを円滑に螺合
可能とするテーパねじの螺合方法を提供することを目的
とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a method for threading a taper screw, which enables smooth threading of a tapered male thread to a Taberite lumber.
上記目的を達成するために、未発明に係るテーパねしの
螺合方法は、雌ねじとＮ１］ねしとを相互に遊挿する状
態で、雌ねじまたは雄ねじのねし面を相手ねじのねし面
に押し当て その雌ねじまたは雄ねしを相手ねしの中心
軸まわり１３回転させる間にその雌ねじまたは雄ねじを
相手ねしに係合させ、その雌ねじまたは雄ねじを１配係
合部分を相手ねしに対する案内として回転させ、その雌
ねしまたは雄ねじを相手ねしに対して螺合するようにし
たものである。In order to achieve the above object, an uninvented taper screw threading method is provided in which the female thread and the N1 thread are loosely inserted into each other, and the thread surface of the female thread or the male thread is aligned with the thread of the mating thread. While the female thread or male thread is rotated 13 times around the center axis of the mating thread, engage the female thread or male thread with the mating thread, The female thread or male thread is screwed into the mating thread as a guide for the mating thread.
以ト 本発明の実施例を図面を参照して説明する。Hereinafter, embodiments of the present invention will be described with reference to the drawings.
第３図（Ａ）〜（Ｄ）は本発明による、力・７プリング
２０のテーパ酸ねし２１と管２２のテーパ雄ねじ２３と
の螺合手順を示すＴ程図である。FIGS. 3(A) to 3(D) are T-step diagrams showing the screwing procedure of the tapered screw 21 of the force-7 pulling 20 and the tapered male thread 23 of the pipe 22 according to the present invention.
すなわち、本発明の実施においては、第３図（Ａ）およ
び第４図に示すように カップリング２０と管２２とを
所定ピッチ分だけ相々−に遊挿状態で差し込む９
次に、第３図（Ｂ）および第５図に示すように２ カー
、ブリング２０の雌ねじ２１を管２２の雄ねじ２３に押
し当て 雌ねし２１の中心４ｂＯ１を紐ねじ２３の中心
軸０２のまわりに一回転させる。ト記雌ねし２１と雄ね
じ２３の相互回転操作により、雌ねじ２１の凸部（また
は四部）と雄ねじ２３の四部（凸部）とが必ず係合せし
められ、第３図（Ｃ）の状態となる。この係合状態は、
雌ねじ２１と雄ねじ２３の該係合時に、それらの中心軸
Ｏｆと０２との相７ｒ間隔が、雌ねじ２１の凸部と雄ね
じ２３との凸部とが相グに当接する場合に比して、離れ
る状態となることの検知によって判定可能である。That is, in carrying out the present invention, as shown in FIGS. 3(A) and 4, the coupling 20 and the pipe 22 are loosely inserted into each other by a predetermined pitch. As shown in FIG. 5 (B) and FIG. . By mutually rotating the female thread 21 and the male thread 23, the convex portion (or four portions) of the female screw 21 and the four portions (convex portions) of the male screw 23 are necessarily engaged, resulting in the state shown in FIG. 3(C). Become. This engaged state is
When the female thread 21 and the male thread 23 are engaged, the phase 7r interval between their center axes Of and 02 is as compared to the case where the convex portion of the female screw 21 and the convex portion of the male screw 23 contact the phase g. This can be determined by detecting the state of separation.
次に、第３図（Ｄ）に示すように、カップリング２０の
雌ねじ２１を、上記係合部分を雄ねじ２３に対する案内
として回転させ、醋ねじ２１をｂ「ねし２３に対して螺
合する。Next, as shown in FIG. 3(D), the female screw 21 of the coupling 20 is rotated using the engaging portion as a guide for the male screw 23, and the female screw 21 is screwed into the screw 23 by a screwdriver. .
第４図は、本発明の実施に用いられる装置の一例を一部
破断して示す側面図である。すなわち、支持台３１には
シリング装ｗ３２によって進退可能とされる略筒状のフ
レーム３３が支持され、フレーム３３にはばね３４を介
してブローク３５がフローティング可能に支持されてい
る。ブローク３５には、支持軸３６、面板３７．軸受３
８を介して、３個のグリップロール３９が回転可能に支
持される。各グリップロール３９が 油圧モータ４０に
よって駆動可能とされるとともに、力・ンプリング（ま
たはプロテクタ）２０を把持可能とする。FIG. 4 is a side view, partially cut away, of an example of a device used to carry out the present invention. That is, a substantially cylindrical frame 33 that can be moved forward and backward by a sill w32 is supported on the support stand 31, and a broke 35 is supported on the frame 33 so as to be floating. The brake 35 includes a support shaft 36, a face plate 37. Bearing 3
8, three grip rolls 39 are rotatably supported. Each grip roll 39 can be driven by a hydraulic motor 40 and can grip the force/sampling (or protector) 20.
ｈ記フレーム３３の外周部には、軸受４１を介して 回
転面板４２が回転可能に支持されてしする。回転面板４
２は、その外周部にギヤ４３をセ１１え、モータ４４に
よって螺動されるピニオン４５と１−記キャ４３との１
繞み合いによって、回転可能とされている。A rotating face plate 42 is rotatably supported on the outer periphery of the frame 33 via a bearing 41. Rotating face plate 4
2 has a gear 43 on its outer periphery, and has a pinion 45 screwed by a motor 44 and a gear 43.
It is possible to rotate due to the connection.
上記回転面板４２の汗二面にはエアシリング装置４．６
が配設され、エアシリング装置４６のピストンロッド４
７の先端部には、前記グリ・ノブロール３９によって把
持されている力、アブリング２０の外面を押圧Ｈｆ能と
するローラー４８か備えられている。Air sealing device 4.6 is installed on the two sides of the rotating face plate 42.
is arranged, and the piston rod 4 of the air shilling device 46
A roller 48 is provided at the tip of the ring 7 to apply the force held by the grip knob 39 and to press the outer surface of the ring 20.
また、エアシリング装Ｈ４６のピストン４９にはラック
５０が接続され、う・ンク５０にはピニオン５１が噛み
合いされ、ピニオン５１には１Ｇｊ１転計５２が接続さ
れている。すなわち、回転計５２は、エアシリング装置
４６によるローラー４８の突出位置を検知可能としてい
る。Further, a rack 50 is connected to the piston 49 of the air cylinder H46, a pinion 51 is meshed with the piston 50, and a 1Gj1 counter 52 is connected to the pinion 51. That is, the tachometer 52 is capable of detecting the protruding position of the roller 48 by the air cylinder device 46.
次に、上記装置を用いた本発明の螺合手順について説明
する。Next, the screwing procedure of the present invention using the above device will be explained.
まず、管２２を固定し、カップリング２０をクリップロ
ール３９によって把持した状態で、シリンダ装置３２に
よってフレーム３３を前進させ、力・ンプリング２０を
管２２の内部に２ピッチ程一度だけ遊挿状態で差し込む
。First, with the pipe 22 fixed and the coupling 20 gripped by the clip roll 39, the frame 33 is advanced by the cylinder device 32, and the force/sampling 20 is loosely inserted into the pipe 22 once by about 2 pitches. Insert.
次いで、エアシリンダ装置４６の作動によってローラー
４８をカップリング２０の外面に抑圧状態で当接し、カ
ップリング２０のテーパ酸ねじ２１をｖ２２のテーパ雄
ねじ２３に接触させた状態で、油圧モータ４０によって
クリップロール３９を回転させるとともに、シリンダ装
置３２によってフレーム３３を前進させる。これにより
、雌ねじ２１は雄ねじ２３のねじ面に押し当てられた状
態で、管２２の中心軸まわりに回転し、雌ねじ２１の凸
部と雄ねじ２３の凹部とが係合する。Next, the air cylinder device 46 is actuated to bring the roller 48 into contact with the outer surface of the coupling 20 in a compressed state, and the hydraulic motor 40 clips the tapered acid thread 21 of the coupling 20 in contact with the tapered male thread 23 of V22. While rotating the roll 39, the frame 33 is advanced by the cylinder device 32. As a result, the female screw 21 rotates around the central axis of the tube 22 while being pressed against the threaded surface of the male screw 23, and the convex portion of the female screw 21 and the concave portion of the male screw 23 engage with each other.
上記雌ねじ２１の凸部と雄ねじ２３の凹部との保合によ
るローラー４８の変位状態が、回転計５２によって検知
される。−上記回転計５２の検知イ汀号しこより、油圧
モータ４０とモータ４４とをＩＮＩ期化し、カップリン
グ２０に対するローラー４８の上記抑圧作用によってｈ
配係合状態を＃干存しつつ、雌ねじ２１をＬ配係合部分
を雄ねじ２３に対する案内として回転させ、雌ねじ２１
を雄ねじ２３に対して螺合可能とする。The displacement state of the roller 48 due to engagement between the convex portion of the female screw 21 and the concave portion of the male screw 23 is detected by the tachometer 52 . - Based on the detection number of the tachometer 52, the hydraulic motor 40 and the motor 44 are set to the INI stage, and the suppressing action of the roller 48 on the coupling 20 causes the h
While keeping the mating state #, rotate the female thread 21 with the L mating part as a guide for the male thread 23, and
can be screwed onto the male thread 23.
なお、外径１３！３．７ｍｍ、肉厚７．７２ｍｍの管２
２にノくットレスねじのカップリング２０を螺合する場
合に、エアシリンダ装置４６による押圧力ｔ−に２０Ｋ
ｇ。In addition, the tube 2 has an outer diameter of 13!3.7 mm and a wall thickness of 7.72 mm.
When screwing the knotless thread coupling 20 onto
g.
カップリング締付は回転数は２４０ｒｐｍ 、送すピ・
ソチは４０ｍｍ／秒であった。The rotation speed for tightening the coupling is 240 rpm, and the
In Sochi, the speed was 40 mm/sec.
以上のように、本発明に係るテーノくねしの螺合方法は
、雌ねじと雄ねじとを相互に遊挿する状態で、雌ねじま
たは雄ねじのねじ面を相手ねしのねし面に押し当て、そ
の雌ねじまたは雄ねじを相手ねじの中心軸まわりに回転
させる間にその雌ねじまたは雄ねじを相手ねじに係合さ
せ、その雌ねじまたは雄ねじをＬ配係合部分を相手ねじ
に対する案内として回転させ、その雌ねじまたは雄ねじ
を相手ねしに対して螺合するようにしたものである。従
って、テーパ酸ねしとテーパ雄ねじとを円滑に螺合する
ことが可能となる。As described above, the method of threading a teno wedge according to the present invention involves pressing the thread surface of the female thread or the male thread against the thread surface of the mating thread while the female thread and the male thread are loosely inserted into each other. While the female thread or male thread is rotated around the center axis of the mating thread, the female thread or male thread is engaged with the mating thread, and the female thread or male thread is rotated using the L-coupled engagement part as a guide for the mating thread, and the female thread or male thread is rotated. It is designed so that it can be screwed into a mating piece. Therefore, it becomes possible to smoothly screw together the tapered lumber and the tapered external thread.
第１図は従来例に係るテーパねじの螺合方法の実施に用
いられる装置を一部破断して示す側面図、第２図は従来
例による螺合不能状態を示す要部断面図、第３図（Ａ）
〜（Ｄ）は本発明に係るテーパねしの螺合方法を示す工
程図、第４図は第３図（Ａ）のＩＶ−ＩＶ線に沿う断面
図、第５図は第３図（Ｂ）のＶ−ＶｖＡに沿う断面図、
第６図は本発明の実施に用いられる装置の一例を一部破
断して示す側面図である。
２０・・・カップリング（プロテクタ）、２１・・・テ
ーパ酸ねし、２２・・・管、２３・・・テーパ雄ねじ、
３５・・・ブローク、３９・・・グリップロール、４２
・・・回転面板、４６・・・エアシリンダ装置、４８・
・・ローラー、５２・・・回転計。
第３図
（Ａ） （Ｂ）
第４図 第５図
第３図
（ｃ） （Ｄ）Fig. 1 is a partially cutaway side view of a device used to implement a conventional tapered screw threading method, Fig. 2 is a cross-sectional view of essential parts showing a state in which threading is impossible according to the conventional art, and Fig. 3 Diagram (A)
~(D) are process diagrams showing the method of screwing together the taper screws according to the present invention, FIG. 4 is a sectional view taken along line IV-IV in FIG. 3(A), and FIG. ) A cross-sectional view along V-VvA of
FIG. 6 is a partially cutaway side view of an example of a device used to carry out the present invention. 20...Coupling (protector), 21...Tapered pickle, 22...Pipe, 23...Tapered male thread,
35...broke, 39...grip roll, 42
...Rotating face plate, 46...Air cylinder device, 48.
...Roller, 52...Tachometer. Figure 3 (A) (B) Figure 4 Figure 5 Figure 3 (c) (D)
Claims (1)
じまたは雄ねしのねじ面を相手ねしのねし面に押し当て
、その−１１：ねりまたは雄ねじを相手ねじの中心軸ま
わりに回転させる間にその雌ねじまたは雄ねじを相手ね
しに係合させ、その雌ねじまたは雄ねじを−１−記係合
部分を相手ねじに対する案内として回転させ、その雌ね
しまたは雄ねじを相手ねじに対して螺合するテーパねし
の螺合方法。(1) With the female thread and male thread loosely inserted into each other, press the threaded surface of the female thread or male thread against the threaded surface of the mating thread, and -11: place the torsion or male thread around the center axis of the mating thread. While rotating the female thread or male thread, engage the female thread or male thread with the mating thread, and rotate the female thread or male thread with the engaging part described in -1- as a guide for the mating thread, and Taper thread screwing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23061283A JPS60123234A (en) | 1983-12-08 | 1983-12-08 | Screwing method of tapered screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23061283A JPS60123234A (en) | 1983-12-08 | 1983-12-08 | Screwing method of tapered screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60123234A true JPS60123234A (en) | 1985-07-01 |
Family
ID=16910486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23061283A Pending JPS60123234A (en) | 1983-12-08 | 1983-12-08 | Screwing method of tapered screw |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60123234A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6374532A (en) * | 1986-09-13 | 1988-04-05 | Nippon Steel Corp | Adaption kit fitting method to steel pipe end and its device |
| WO2015077408A3 (en) * | 2013-11-20 | 2015-10-22 | Bp Corporation North America Inc. | Systems and methods for making and breaking threaded joints using orbital motions |
-
1983
- 1983-12-08 JP JP23061283A patent/JPS60123234A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6374532A (en) * | 1986-09-13 | 1988-04-05 | Nippon Steel Corp | Adaption kit fitting method to steel pipe end and its device |
| WO2015077408A3 (en) * | 2013-11-20 | 2015-10-22 | Bp Corporation North America Inc. | Systems and methods for making and breaking threaded joints using orbital motions |
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