CN104453755A - One-way rotation locking device - Google Patents
One-way rotation locking device Download PDFInfo
- Publication number
- CN104453755A CN104453755A CN201410228410.1A CN201410228410A CN104453755A CN 104453755 A CN104453755 A CN 104453755A CN 201410228410 A CN201410228410 A CN 201410228410A CN 104453755 A CN104453755 A CN 104453755A
- Authority
- CN
- China
- Prior art keywords
- locking
- guide groove
- latch
- force transmission
- transmission sleeve
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 2
- 239000003129 oil well Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a one-way rotation locking device, in particular to the one-way rotation locking device used in an oil well casing. The one-way rotation locking device is composed of a body, a friction assembly, locking blocks, a garter spring, a force transmission sleeve and a center pipe. A circumferential guide groove is formed in one end of the body, the continuously-distributed locking blocks are arranged in the guide groove, the locking blocks are bound to the bottom of the guide groove through the garter spring, the locking block at the tail end and the guide groove are welded together, or the guide groove is a non-through groove, the locking block at the tail end cannot rotate anticlockwise, the force transmission sleeve and the body are coaxially arranged, a shifting fork interacting with the locking blocks is arranged at one end of the force transmission sleeve, the garter spring always applies radial tightening force to the locking blocks, and when the force transmission sleeve does not act on the locking blocks, the locking blocks can shrink to the bottom of the guide groove under the effect of the garter spring. When the force transmission sleeve rotates anticlockwise, the locking blocks are pushed to radially move and to be meshed with the inner wall of the casing, the force transmission sleeve cannot rotate, and then therefore the one-way locking function is achieved. The one-way rotation locking device is simple in structure, reliable in performance, good in machining technique, and capable of being widely applied to down-hole tools needing one-way locking.
Description
Technical field
The present invention relates to a kind of single direction rotation locking system, particularly relate to a kind of single direction rotation locking system used in oil well casing.
Background technology
Chinese patent 201120481852.9 discloses a kind of single direction rotation locking system, although this device achieves single direction rotation latch functions, but go into the well in process when using in oil well, slips all the time with casing-contact, when reaching desired depth, the cusp of slips has had wearing and tearing in various degree, cause the success rate of locking not high, result of use is under some influence.
Summary of the invention
The present invention is just to provide one can overcome the deficiencies in the prior art, realizes the device of reliably unidirectional locking function.
The technical solution adopted in the present invention is: this single direction rotation locking system is by body, friction assembly, latch, garter spring, power transmission cover and central tube composition, one end of body is provided with gathering sill circumferentially, the latch of continuous distributed is provided with in gathering sill, latch is tightly restrainted the bottom at gathering sill by garter spring, latch and the gathering sill of least significant end weld together, or gathering sill is a non-penetrating groove, tip lock stops can not be rotated counterclockwise, power transmission cover and body are coaxially arranged and there is a shift fork acted on mutually with latch one end, garter spring imposes latch all the time and radial tightens power, when power transmission cover does not act on latch, latch can be retracted the bottom of gathering sill under the effect of garter spring.Promote latch when power transmission cover is rotated counterclockwise and produce radial movement, and be interlocked with the inwall of sleeve pipe, power transmission cover cannot rotate, and object of the present invention is achieved.
Preferably, described single direction rotation locking system, its gathering sill is in same plane.
Preferably, described single direction rotation locking system, its gathering sill is spiral helicine.
Preferably, described single direction rotation locking system, its latch is one vertically with the column of through hole.
Preferably, described single direction rotation locking system, its latch is one be with reeded column vertically.
Preferably, described single direction rotation locking system, there is a shift fork acted on mutually with latch one end of its power transmission cover.
Compared with prior art, processing technology is better, more reliable performance in the present invention.
Accompanying drawing explanation
Fig. 1 is elevation of the present invention, and Fig. 2 is the sectional drawing of A-A section.
In figure: 1. power transmission cover; 2. latch; 3. garter spring; 4. body; 5. rub assembly; 6. central tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, structure and working principle of the present invention is further elaborated.
The assembly [4] that rubs in Fig. 1 is made up of brake pad and spring, concrete structure can adopt the structure of the strigil assembly of the Y221 packer of comparative maturity, latch [2] adopts hollow cylinder, garter spring [3] adopts the steel wire of an annular, the diameter that its diameter surrounds than latch centre bore is smaller, power transmission cover [1] is thick cyclinder, establish a projection vertically as shift fork in its one end, the external diameter of its diameter and latch [2] is suitable, and a latch of least significant end and gathering sill weld together.When power transmission cover [1] rotates counterclockwise, friction assembly [5] and body all do not rotate, the latch [2] of end does not also rotate, other latch [2] is when two ends are under pressure, produce radial movement and be interlocked with sleeve pipe, produce larger resistance, power transmission cover [1] cannot rotate and realize locking; And when rotating clockwise, only having the latch [2] of least significant end and shift fork to interact, other all latch [2] all do not stress, therefore can not produce and move radially, and achieve the function of unidirectional locking, object of the present invention is achieved.
Claims (5)
1. a single direction rotation locking system, be made up of friction assembly, latch, body, garter spring and power transmission cover, it is characterized in that: body has gathering sill circumferentially, the latch of continuous distributed is had in gathering sill, garter spring holds or runs through latch tightly restraints bottom at gathering sill by latch, power transmission has put the interactional shift fork with latch.
2. single direction rotation locking system as claimed in claim 1, is characterized in that: guide pad is one vertically with the column of through hole or groove.
3. single direction rotation locking system as claimed in claim 1, is characterized in that: gathering sill is in a plane.
4. single direction rotation locking system as claimed in claim 1, is characterized in that: gathering sill is spiral helicine.
5. single direction rotation locking system as claimed in claim 1, is characterized in that: there is a shift fork acted on mutually with latch one end of power transmission cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228410.1A CN104453755B (en) | 2014-05-28 | 2014-05-28 | One-way rotation locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410228410.1A CN104453755B (en) | 2014-05-28 | 2014-05-28 | One-way rotation locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104453755A true CN104453755A (en) | 2015-03-25 |
| CN104453755B CN104453755B (en) | 2017-01-25 |
Family
ID=52900431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410228410.1A Active CN104453755B (en) | 2014-05-28 | 2014-05-28 | One-way rotation locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104453755B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506067A (en) * | 1968-10-07 | 1970-04-14 | Schlumberger Technology Corp | Frangible slip and expander cone segments |
| CN2616662Y (en) * | 2003-04-04 | 2004-05-19 | 中国石油天然气股份有限公司 | Self-locking anchoring device |
| CN2660098Y (en) * | 2003-12-04 | 2004-12-01 | 中国石油天然气股份有限公司 | Integrated slip type tubing anchor |
| CN2898268Y (en) * | 2006-06-09 | 2007-05-09 | 东营胜利高原有限公司 | Special oil-pipe anchor for screw pump |
| CN201354622Y (en) * | 2009-02-25 | 2009-12-02 | 刘庆敏 | Rotary oil drainage device |
| CN202467711U (en) * | 2011-11-29 | 2012-10-03 | 刘庆敏 | Unidirectional rotation locking device |
-
2014
- 2014-05-28 CN CN201410228410.1A patent/CN104453755B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506067A (en) * | 1968-10-07 | 1970-04-14 | Schlumberger Technology Corp | Frangible slip and expander cone segments |
| CN2616662Y (en) * | 2003-04-04 | 2004-05-19 | 中国石油天然气股份有限公司 | Self-locking anchoring device |
| CN2660098Y (en) * | 2003-12-04 | 2004-12-01 | 中国石油天然气股份有限公司 | Integrated slip type tubing anchor |
| CN2898268Y (en) * | 2006-06-09 | 2007-05-09 | 东营胜利高原有限公司 | Special oil-pipe anchor for screw pump |
| CN201354622Y (en) * | 2009-02-25 | 2009-12-02 | 刘庆敏 | Rotary oil drainage device |
| CN202467711U (en) * | 2011-11-29 | 2012-10-03 | 刘庆敏 | Unidirectional rotation locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104453755B (en) | 2017-01-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shu Huawen Inventor after: Liu Qingmin Inventor after: Wang Xinhui Inventor after: Deng Baoning Inventor after: Liu Yanwen Inventor after: Guan Peng Inventor after: Zhao Dayou Inventor after: Zhang Qingsong Inventor after: Liu Xuesheng Inventor after: Hu Shanshan Inventor before: Wang Xinhui Inventor before: Shu Huawen Inventor before: Deng Baoning Inventor before: Liu Yanwen Inventor before: Guan Peng Inventor before: Zhang Qingsong Inventor before: Liu Xuesheng Inventor before: Hu Shanshan Inventor before: Liu Qingmin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG XINHUI SHU HUAWEN DENG BAONING LIU YANWEN GUAN PENG ZHANG QINGSONG LIU XUESHENG HU SHANSHAN LIU QINGMIN TO: SHU HUAWEN WANG XINHUI DENG BAONING LIU YANWEN GUAN PENG ZHAO DAYOU ZHANG QINGSONG LIU XUESHENG HU SHANSHAN LIU QINGMIN |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150914 Address after: Shandong city in Dongying Province Economic Development Zone No. eight Shengli Road South, East Xi Liu Lu Applicant after: DONGYING HAITIAN PETROLEUM TECHNOLOGY CO., LTD. Address before: 257000 Shandong province Dongying City Development Zone North Song Xi Liu Lu victory Applicant before: Liu Qingmin |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |