CN104632099A - Centralizer capable of prolonging service life - Google Patents

Centralizer capable of prolonging service life Download PDF

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Publication number
CN104632099A
CN104632099A CN201510057383.0A CN201510057383A CN104632099A CN 104632099 A CN104632099 A CN 104632099A CN 201510057383 A CN201510057383 A CN 201510057383A CN 104632099 A CN104632099 A CN 104632099A
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China
Prior art keywords
end
sliding
slide
fixing member
provided
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CN201510057383.0A
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Chinese (zh)
Inventor
贺昶明
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成都大漠石油机械有限公司
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Priority to CN201510057383.0A priority Critical patent/CN104632099A/en
Publication of CN104632099A publication Critical patent/CN104632099A/en

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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods ; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E21B17/1021Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well with articulated arms or arcuate springs

Abstract

The invention discloses a centralizer capable of prolonging the service life. The centralizer comprises an upper end, a plurality of supporting arms, a plurality of spring bows, a rear end and a connecting rod which is connected with the upper end and the rear end. The connecting rod comprises a sliding front end, a sliding middle end a, a sliding middle end b and a sliding rear end. The upper end and the sliding front end are connected, and a front baffle ring is further arranged at the connecting position of the sliding front end and the upper end. The centralizer can reduce the breakage of springs and the supporting arms, prolongs the service life, and is simple in structure and convenient to use.

Description

能延长使用寿命的扶正器 You can extend the life of the centralizer

[0001] [0001]

技术领域 FIELD

[0002] 本发明涉及石油机械领域,具体地,涉及能延长使用寿命的扶正器。 [0002] The present invention relates to the field of machinery oil, in particular, to be able to extend the life of the centralizer.

背景技术 Background technique

[0003] 扶正器属固井工具,它制造简单,结构美观,牢固耐用,扶正力大,克服了原焊接式扶正器易发生脱焊的不足,是一种能保证钻井固井质量的扶正器。 [0003] centralizer genus cementing tool, it is simple to manufacture, structure, beautiful, durable, large righting force to overcome the original welded centralizer prone desoldering insufficient, a cementing mass to ensure the drilling centralizers . 扶正器种类繁多,按结构可分为滚轮式、滑块式、自动换向式等。 Centralizer wide range, according to the structure can be divided roller type, slide-type, automatic reversing type. 不同结构和材质的扶正器,适用于不同类型偏磨的油井。 Different structures and materials centralizer for well different types of eccentric wear. 使用扶正器防偏磨工艺关键技术是扶正器安装的位置、间距和数量。 Use centralizer preventing partial abrasion process is a key technique centralizers position, spacing, and number.

[0004] 现有的扶正器依赖支撑板等来减缓冲击,但是在使用过程中容易从支撑板与其他部件的连接处断裂开来,使得扶正器的使用寿命不长,扶正效果不理想。 [0004] The conventional centralizer dependent cushion the impact of the support plate, etc., but be easily broken off from the support plate and connected at the other member during use such that the centralizer life is not long, the centralizer is not ideal.

发明内容 SUMMARY

[0005] 本发明所要解决的技术问题是提供一种能延长使用寿命的扶正器,该扶正器在支撑臂上设置有能随着支撑臂滑移的弹簧弓、它们之间采用一键滑移连通的方式避免了以往的弹簧板的折叠疲劳损伤,从而能够减少弹簧和支撑臂的破损,延长扶正器的使用寿命。 [0005] The present invention solves the technical problem is to provide a prolonged service life of the centralizer, the centralizer can be provided with a support arm as the support arm sliding bows, using a sliding key between them communication mode avoids conventional folding fatigue damage of the spring plate, thereby reducing breakage of the spring and the support arms, extend the life of the centralizer.

[0006] 本发明解决上述问题所采用的技术方案是: [0006] aspect of the present invention to solve the above problems is adopted:

能延长使用寿命的扶正器,包括上端、多个支撑臂、多个弹簧弓、后端以及连接上端和后端的连接杆,所述连接杆包括滑动如端、滑动中部a端、滑动中部b端、滑动后端,所述上端和滑动前端连接,滑动前端和上端的连接处还设置有前挡环; Can extend the life of the centralizer, includes an upper end, a plurality of support arms, a plurality of bows, a rear end and a rear end and an upper end connected to the connecting rod, said connecting rod includes a slide such as central terminal b side, a middle end of the slide, the slide sliding the rear end of the upper slide and connected to the tip, and a front end slidably connected at an upper end provided with a front stopper ring;

滑动前端和滑动中部a端相连,滑动前端和滑动中部a端的相接处设置有固定部件C,固定部件c能够沿着滑动前端和滑动中部a端滑动;滑动中部b端和滑动后端相连,滑动中部b端和滑动后端的相接处也设置有固定部件d,固定部件d能够沿着滑动后端和滑动中部b端滑动;多个支撑臂均匀设置在固定部件c和固定部件d之间,多个所述的支撑臂为曲线型且中部开设有支撑臂槽;所述滑动中部a端和滑动中部b端之间还设置有拉簧,拉簧两端分别设置有能滑动的端头,多个所述弹簧弓设置在端头之间呈弧形,弹簧弓中部开设有弓槽,弹簧弓通过支撑臂槽和弓槽之间设置的滑动键与支撑臂相连,滑动键能够在支撑臂槽或者弓槽内滑移。 Sliding a front end and a central terminal coupled to the slide, the slide at the front end and a sliding contact with the middle end is provided with a fixing member C, the fixing member is able to slide along the slide c distal end and a central slide; b is connected to the middle sliding and sliding rear side, and sliding the middle sliding end b at the rear end of the contact is also provided with a fixing member d, d fixing member slidable along the slide and the rear end of the slide middle b; a plurality of support arms disposed uniformly between the fixed member and the fixing member c d , a plurality of the support arm is curved and defines a central groove of the support arm; further provided between the sliding end and a middle end of the middle sliding b respectively provided with a slidable end of the tension spring, both ends of the tension spring , a plurality of spring bows disposed between the arcuate ends, defines a central bow spring bow groove bows are connected by the groove provided between the support arm and the bow slide key groove and the support arm, the support can be slidably key slip grooves or groove bow arm.

[0007] 本发明的设计在于:在支撑臂上设置有能随着支撑臂滑移的弹簧弓、它们之间采用一键滑移连通的方式避免了以往的弹簧板的折叠疲劳损伤,这样不仅能够保证扶正器在在外力突然增加时能够因为拉簧的设置地方外力突然增大的冲击,还能够减少弹簧弓和支撑臂的磨损,从而延长寿命。 [0007] The design of the present invention is that: there is provided as the spring bow can slip support arm, by way of a sliding key avoids communication therebetween conventional folding fatigue damage on the support arm of the spring plate, so that not only to ensure that when the centralizer is possible because of a sudden increase in the force of the tension spring is provided where the impact force increases suddenly, it is possible to reduce the wear of the spring bows and the support arm, thereby extending the life.

[0008] 所述固定部件c或者固定部件d上均匀开设有凹槽,支撑臂设置在凹槽内。 [0008] The fixing member defines a uniform or c d a groove member fixed to the support arms disposed in the recess.

[0009] 所述支撑臂的长度大于弹簧弓的长度。 [0009] The length of the support arm is greater than the length of the spring bow.

[0010] 所述固定部件c或者固定部件d能够在连接杆上滑动。 [0010] The fixing member or fixing member c d slidable connecting rod. 这样的设置能够有助于支撑板适应外力的变化,应对外力对扶正器的影响,从而保证扶正器起到扶正的作用。 Such an arrangement can help support plate adapt to changes in external forces, address the impact of external forces on the centralizer, centralizer play a role to ensure righting.

[0011 ] 所述滑动前端和滑动中部a端的相接处还设置有挡环e,滑动后端和滑动中部b端的相接处还设置有挡环f。 [0011] The sliding of the sliding contact with the front end and the middle end is further provided with a retaining ring e, and slidably engaged at the rear end of the terminal b is also provided with a central retaining ring slidably f.

[0012] 综上,本发明的有益效果是: [0012] In summary, the advantages are:

本发明在支撑臂上设置有能随着支撑臂滑移的弹簧弓、它们之间采用一键滑移连通的方式避免了以往的弹簧板的折叠疲劳损伤,从而能够减少弹簧和支撑臂的破损,延长扶正器的使用寿命,该装置结构简单,使用方便。 The present invention can be provided on the support arm as the support arm bow spring slip, by way of a sliding key avoids communication therebetween conventional folding fatigue damage of the spring plate, thereby reducing breakage of the spring and the support arm , to extend the service life of the centralizer, the apparatus structure is simple, easy to use.

附图说明 BRIEF DESCRIPTION

[0013] 图1是发明结构图。 [0013] FIG. 1 is a configuration diagram of the invention.

[0014] 附图中标记及相应的零部件名称: [0014] The reference numerals and corresponding parts of the name:

1、上端,21、滑动如端,22、滑动中部a端,23、滑动中部b端,24、滑动后端,3、后端,4、支撑臂,41、支撑臂槽,5、弹簧弓,51、弓槽,6、拉簧,7、端头,81、固定部件C,82、固定部件d,9、滑动键。 1, an upper end 21, such as a sliding end 22, a middle end of the slide 23, the slide end of the central b, 24, the rear end of the slide 3, a rear end, 4, support arm 41, the support arm pocket, 5, bows , 51, bow groove 6, the tension spring 7, the end head 81, the fixing member C, 82, fixing member d, 9, sliding key.

具体实施方式 Detailed ways

[0015] 下面结合实施例及附图,对本发明作进一步地的详细说明,但本发明的实施方式不限于此。 [0015] The following embodiments and the accompanying drawings in conjunction with embodiments of the present invention will be further described in detail, but the embodiment of the present invention is not limited thereto.

[0016] 实施例1: [0016] Example 1:

如图1所示,能延长使用寿命的扶正器,包括上端1、多个支撑臂4、多个弹簧弓5、后端3以及连接上端I和后端3的连接杆,所述连接杆包括滑动前端21、滑动中部a端22、滑动中部b端23、滑动后端24,所述上端I和滑动如端21连接,滑动如端21和上端I的连接处还设置有前挡环; 1, can extend the life of the centralizer, includes an upper end, a plurality of support arms 4, 5 a plurality of bows, the rear end of the connecting rod 3 and connected to an upper end and a rear end I of 3, the connecting rod comprising sliding a front end 21, a middle end of the slide 22, the slide end 23 of the center b, the rear end of the slide 24, as the upper end of the slide and I 21 is connected, such as the end of the slide 21 and is connected at the upper end of the front I is also provided with a retaining ring;

滑动前端21和滑动中部a端22相连,滑动前端21和滑动中部a端22的相接处设置有固定部件c81,固定部件c81能够沿着滑动前端21和滑动中部a端22滑动;滑动中部b端23和滑动后端24相连,滑动中部b端23和滑动后端24的相接处也设置有固定部件d82,固定部件d82能够沿着滑动后端24和滑动中部b端23滑动;多个支撑臂4均匀设置在固定部件c81和固定部件d82之间,多个所述的支撑臂4为曲线型且中部开设有支撑臂槽41 ;所述滑动中部a端22和滑动中部b端23之间还设置有拉簧6,拉簧6两端分别设置有能滑动的端头7,多个所述弹簧弓5设置在端头7之间呈弧形,弹簧弓5中部开设有弓槽51,弹簧弓5通过支撑臂槽41和弓槽51之间设置的滑动键与支撑臂4相连,滑动键能够在支撑臂槽41或者弓槽51内滑移。 Sliding the distal end 21 and end 22 is connected to a central slide, the slide 21 is provided with a front end of the fixed contact of the sliding member c81 and a middle end 22, the fixing member 22 c81 able to slide along the front end of the slide 21 and a central sliding end; middle sliding b and a rear end 23 connected to the slide 24, the slide 23 and the central terminal b at the sliding contact with the rear end 24 is also provided with a fixing member d82, d82 fixing member 23 can be slid along the slide 24 and the central slide b rear end; a plurality of uniform support arm 4 is provided between the fixed member and the fixing member c81 d82, the support arm 4 is a plurality of said curved supporting arm and defines a central groove 41; a middle of the sliding end 22 and end 23 b of the central sliding 6 is also provided between the tension spring, the tension spring 6 at both ends of the slidable tip 7, a plurality of arcuate spring bow 5 is provided between the ends 7 are provided, the spring bow 5 defines a central groove 51 bow , 4 are connected by a spring bow 5 is provided between the support arms 41 and grooves 51 of the sliding key groove bow support arm, able to slide the sliding key grooves 41 within the support arm or arch groove 51.

[0017] 本发明的设计在于:在支撑臂4上设置有能随着支撑臂4滑移的弹簧弓5、它们之间采用一键滑移连通的方式避免了以往的弹簧板的折叠疲劳损伤,这样不仅能够保证扶正器在在外力突然增加时能够因为拉簧6的设置地方外力突然增大的冲击,还能够减少弹簧弓5和支撑臂4的磨损,从而延长寿命。 [0017] The design of the present invention: can be provided as the spring bow 4 5 slip support arm, by way of a sliding key avoids communication therebetween conventional folding fatigue damage of the spring plate on the supporting arm 4 , not only to ensure that when the centraliser is possible because the sudden increase in the force of the tension spring 6 is provided where a sudden increase in the external force impact, but also possible to reduce the wear of the spring bow 5 and the support arm 4, thereby extending the life.

[0018] 所述固定部件c81或者固定部件d82上均匀开设有凹槽,支撑臂4设置在凹槽内。 [0018] The fixing member defines a uniform c81 d82 groove or the fixing member, the support arm 4 is disposed in the recess.

[0019] 所述支撑臂4的长度大于弹簧弓5的长度。 [0019] The length of the support arm 4 is greater than the length of the spring bow 5.

[0020] 所述固定部件c81或者固定部件d82能够在连接杆上滑动。 [0020] The fixing member or fixing member c81 d82 connecting rod can be slid. 这样的设置能够有助于支撑板适应外力的变化,应对外力对扶正器的影响,从而保证扶正器起到扶正的作用。 Such an arrangement can help support plate adapt to changes in external forces, address the impact of external forces on the centralizer, centralizer play a role to ensure righting.

[0021] 所述滑动前端21和滑动中部a端22的相接处还设置有挡环e,滑动后端24和滑动中部b端23的相接处还设置有挡环f。 [0021] The sliding of the sliding contact with the front end 21 and a middle end 22 is also provided with a retaining ring e, the rear end of the sliding contact 24 and the sliding end 23 of the central b is further provided with retaining rings f.

[0022] 如上所述,可较好的实现本发明。 [0022] As described above, the present invention can be better realized.

Claims (5)

1.能延长使用寿命的扶正器,其特征在于,包括上端(I )、多个支撑臂(4)、多个弹簧弓(5)、后端(3)以及连接上端(I)和后端(3)的连接杆,所述连接杆包括滑动前端(21)、滑动中部a端(22)、滑动中部b端(23)、滑动后端(24),所述上端(I)和滑动前端(21)连接,滑动前端(21)和上端(I)的连接处还设置有前挡环; 滑动前端(21)和滑动中部a端(22)相连,滑动前端(21)和滑动中部a端(22)的相接处设置有固定部件c (81),固定部件c (81)能够沿着滑动前端(21)和滑动中部a端(22)滑动;滑动中部b端(23)和滑动后端(24)相连,滑动中部b端(23)和滑动后端(24)的相接处也设置有固定部件d (82),固定部件d (82)能够沿着滑动后端(24)和滑动中部b端(23)滑动;多个支撑臂(4)均匀设置在固定部件c (81)和固定部件d (82)之间,多个所述的支撑臂(4)为曲线型且中部开设有支撑臂槽(41);所述滑动中部a端(22)和滑动中部 1. To extend the life of the centralizer, characterized in that it comprises an upper end (I), a plurality of support arms (4), a plurality of spring bows (5), a rear end (3) and the connecting upper end (I) and a rear end (3) the connecting rod, the front end of the connecting rod includes a slide (21), a middle end of the slide (22), b middle sliding end (23), the rear end of the slide (24), said upper end (I) and the front end of the slide (21), slide the front end (21) and an upper end (I) of the connection is also provided with a front stopper ring; sliding distal end (21) and sliding the middle a terminal (22) connected to the sliding front end (21) and the sliding central terminal a (22) is provided at a fixed contact member c (81), the fixing member c (81) slidable along a sliding front end (21) and a central slide end (22); b slide the central terminal (23) and the slide end (24) connected to the middle sliding b end (23) and a rear slide (24) is in contact at the fixing member is also provided with a d (82), the fixing member d (82) capable of sliding along the rear end (24) and b middle sliding end (23) slidably; a plurality of support arms (4) are uniformly disposed between the fixing member c (81) and the fixing member d (82), the support arm (4) is a plurality of said curved central and a support arm defines a groove (41); a central end of the slide (22) and a central sliding b端(23)之间还设置有拉簧(6),拉簧(6)两端分别设置有能滑动的端头(7),多个所述弹簧弓(5)设置在端头(7)之间呈弧形,弹簧弓(5)中部开设有弓槽(51),弹簧弓(5)通过支撑臂槽(41)和弓槽(51)之间设置的滑动键与支撑臂(4)相连,滑动键能够在支撑臂槽(41)或者弓槽(51)内滑移。 b-side is also provided with a tension spring (6) between (23), the tension spring (6) are provided at both ends with a slidable end (7), said plurality of spring bows (5) provided at the tip (7 curved spring bow (5) between a) defines a central arch groove (51), a spring bow (5) by a support arm pocket (41) and bow grooves (51) slidably disposed between the bonds with the support arm (4 ) is connected, capable of sliding in the sliding key groove of the support arm (41), or arch groove (51).
2.根据权利要求1所述的能延长使用寿命的扶正器,其特征在于,所述固定部件c(81)或者固定部件d (82)上均匀开设有凹槽,支撑臂(4)设置在凹槽内。 2. Can according to claim 1 to extend the life of the centralizer, characterized in that said groove defines a uniform fixing member c (81) fixing member or a d (82), the support arm (4) provided in the groove.
3.根据权利要求1所述的能延长使用寿命的扶正器,其特征在于,所述支撑臂(4)的长度大于弹簧弓(5)的长度。 According to claim centralizer can extend the life of claim 1, wherein the support arm (4) is longer than the length of the spring bow (5).
4.根据权利要求1所述的能延长使用寿命的扶正器,其特征在于,所述固定部件c(81)或者固定部件d (82)能够在连接杆上滑动。 According to claim 1 can extend the life of the centralizer, characterized in that said fixing member c (81) fixing member or a d (82) capable of sliding on the connecting rods.
5.根据权利要求1所述的能延长使用寿命的扶正器,其特征在于,所述滑动前端(21)和滑动中部a端(22)的相接处还设置有挡环e,滑动后端(24)和滑动中部b端(23)的相接处还设置有挡环f。 5. The can according to claim 1, extend the life of the centralizer, characterized in that the front end of the slide (21) and a central slide end (22) in contact with a retaining ring provided at E, the rear end of the slide (24) b and the sliding central terminal (23) in contact with a retaining ring provided at f.
CN201510057383.0A 2015-02-04 2015-02-04 Centralizer capable of prolonging service life CN104632099A (en)

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CN2460720Y (en) * 2000-09-09 2001-11-21 浙江大学 Speed-uncreasing-type casting elastic vortex centralising device
CN2816329Y (en) * 2005-07-22 2006-09-13 新疆石油管理局钻井工艺研究院 Expnding elastic sleeve-pipe righter
US20090159269A1 (en) * 2006-02-09 2009-06-25 Sheiretov Todor K Self-Anchoring Device with Force Amplification
CN201273154Y (en) * 2008-09-27 2009-07-15 国营第三八八厂 Elastic centralizer for pumping rod
CN204552636U (en) * 2015-02-04 2015-08-12 成都大漠石油机械有限公司 Centralizer of ability reduce friction damage

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