CN200999627Y - Adjustable sleeve joint - Google Patents
Adjustable sleeve joint Download PDFInfo
- Publication number
- CN200999627Y CN200999627Y CNU2007200338386U CN200720033838U CN200999627Y CN 200999627 Y CN200999627 Y CN 200999627Y CN U2007200338386 U CNU2007200338386 U CN U2007200338386U CN 200720033838 U CN200720033838 U CN 200720033838U CN 200999627 Y CN200999627 Y CN 200999627Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- core pipe
- core
- joint
- collar connector
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 241001247821 Ziziphus Species 0.000 claims description 9
- 210000004907 gland Anatomy 0.000 claims description 5
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000000605 extraction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000003292 glue Substances 0.000 abstract 2
- 240000008866 Ziziphus nummularia Species 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
Abstract
An adjustable casing joint is provided, which is characterized in that: a core pipe is of the Jujube Pit shape and the one end, together with the position of the largest diameter, is inserted into a pipe hoop connecting piece; an O-shaped sealing ring is arranged between the position with the largest diameter of the core pipe and the inner wall of the pipe hook connecting piece; a centering glue ring is positioned between the external side wall of the core pipe end and the inner wall of the pipe hook connecting piece and the internal side wall of the pipe hook connecting piece positioned in matching with the core pipe is the straight pipe segment; another end of the core pipe is connected with a connecting hook through a screw thread; one end of the joint clamp hook is glidingly suited on the core pipe and the glue ring are tightly pressed on the core pipe at the end of the joint clamp hook through the press cover; another end of the joint clamp hook is connected with the pipe hook connecting piece through the screw thread. The utility model can realize the extension along the shaft direction and radial deflexion, which is applied on the rigid casing pipeline in the method of pressure relief gas in ground drilling extraction area and goaf and can effectively prevent the rigid casing being damaged due to the change of stratum.
Description
Technical field
The utility model relates to casing joint, and a kind of casing joint that can regulate length, corner of more specifically saying so is mainly used in Coal Production, utilizes the sleeve pipe in ground drilling extraction minery, the goaf gas pressure relief method to connect.
Background technology
At application number is in the utility application of 200510040410.X, discloses a kind of method of utilizing ground drilling extraction minery, goaf gas pressure relief.This method is before underground each seam mining, is faced down by ground in advance and punches a layer drilling well, and rigid casing is installed downwards, gets sieve aperture simultaneously around the sleeve pipe that enters each coal seam, so that gas flows into sleeve pipe from the coal seam.Then, the exploitation underseam makes and covers each coal seam and be able to release, produces good release " antireflection " and " incremental effect ".At this moment, the gas pressure relief in each coal seam will be gone out by extraction by rigid casing, thereby low-permeable, outstanding, weak seam are converted into the high ventilative coal seam of non-outstanding present low gas.Practice shows that this method had both been eliminated coal and the outstanding danger of gas, had utilized gas resources again fully, had realized that the green of coal and gas resources is adopted altogether, had played positive role for the utilization of Safety of Coal Mine Production, resource.
Yet this utility model runs into minority drilling extraction mash gas amount situation seldom in practice.Its reason mainly is because newly bed thickness, basement rock are thinner, mining height is big, adopt that the dynamic deformation amount is big, rate of strain piece, new bend of strata stress are big, the rigid casing that is placed in new stratomere can't adapt to these variations, thereby produces fracture, and the water that causes the aquifer and blowout go into that well is interior to be caused.
Summary of the invention
The utility model is for avoiding above-mentioned existing in prior technology weak point, for providing a kind of, the rigid casing of mash gas extraction in the ground drilling hole can carry out angular adjustment, and can carry out the casing joint regulated of axial stretching, original rigid casing is formed have corner, flexible function, to adapt to the distortion on the face of land, reduce the flexural stress of sleeve pipe, prevent casing failure.
The technical scheme that the utility model technical solution problem is adopted is:
Design feature of the present utility model is to be sleeve pipe pipe collar connector, core pipe to be set and to be connected hoop, the profile of core pipe is jujube nuclear shape, one end of core pipe all is inserted in the pipe collar connector together with its maximum gauge position, " O " shape sealing ring is set between the inwall of the maximum gauge position of core pipe and pipe collar connector, termination at the core pipe, between the inwall of its lateral wall and pipe collar connector, be provided with and set upright cushion rubber, with the inside wall with pipe collar connector that the core pipe that is jujube nuclear shape profile is equipped be straight length, the other end of core pipe is threaded with being connected to bind round; Joint clasp one end that is provided with between core tube and tube hoop connector slides on the core pipe, and cushion rubber is pressed on the core pipe by gland in the end of joint clasp, and the other end of joint clasp is threaded with the pipe collar connector.
Design feature of the present utility model is:
On the section of cooperation between joint clasp and the core pipe, be equipped with annular boss and annular concave path each other, and annular boss axially there is an operating range along the core pipe in annular concave path.
Connect hoop and be symmetrical structure, connect two core pipes in its two ends symmetry.
The utility model is that the annular boss with the core pipe is limited in the annular concave path of joint clasp, realizes the axial stretching of whole union by endwisely slipping; Be inserted in the pipe collar connector with the core pipe that is jujube nuclear shape profile, and with pipe collar connector straight length between cooperate, form the radial deflection of core pipe in the pipe collar connector, thereby realize rigid casing is carried out angular adjustment, compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model is simple in structure, reasonable in design, force-bearing situation is good, and its a plurality of hermetically-sealed constructions have also that function is many, the characteristics of good sealing effect.Simultaneously, the utility model is convenient to manufacture, be convenient to be connected with original structure, and the tension of each member and flexural strength are all more than or equal to original structure.
2, use of the present utility model, for rigid casing in ground drilling extraction minery, the goaf gas pressure relief method provides can corner, flexible function, prevented effectively because the destruction that formation variation causes rigid casing.
3, the utility model also can be used in other surface well.
Description of drawings
Accompanying drawing is the utility model structural representation.
Number in the figure: 1 pipe collar connector, 2 is set upright cushion rubber, 3 core pipes, 4 sealing rings, 5 joint clasps, 6 glands, 7 and is compressed cushion rubber, 8, connects hoop, 9 annular boss, 10 annular concave paths.
Below by the specific embodiment the utility model is further described:
The specific embodiment
Referring to accompanying drawing, being sleeve pipe is provided with pipe collar connector 1, core pipe 3 and is connected hoop 8, the profile of core pipe 3 is jujube nuclear shape, one end of core pipe 3 all is inserted in the pipe collar connector 1 together with its maximum gauge position, " O " shape sealing ring 4 is set between the inwall of the maximum gauge position of core pipe 3 and pipe collar connector 1, termination at core pipe 3, between the inwall of its lateral wall and pipe collar connector 1, be provided with and set upright cushion rubber 2, with the inside wall with pipe collar connector 1 that the core pipe 3 that is jujube nuclear shape profile is equipped be straight length, the other end of core pipe 3 binds round 8 and is threaded with being connected; Joint clasp 5 one ends that are provided with between core pipe 3 and pipe collar connector 1 slide on the core pipe 3, and cushion rubber 7 are pressed on the core pipe 3 by gland 6 in the end of joint clasp 5, and the other end of joint clasp 5 is threaded with pipe collar connector 1.
In concrete the enforcement, on the section of cooperation between joint clasp 5 and the core pipe 3, be equipped with annular boss 9 and annular concave path 10 each other, and described annular boss 9 axially has an operating range along core pipe 3 in annular concave path 10, annular boss 9 shown in the figure is arranged on the periphery of core pipe 3, annular concave path 10 is arranged on the interior week of joint clasp 5, and this form of structure can be born bigger axial load.
In actual design with in making, pipe collar connector 1 is connected with the external screw thread of the less end of its diameter of bore and the conical internal thread of existing rigid casing pipe collar; And the diameter of bore of pipe collar connector 1 is big, an end of the core pipe that is used to peg graft, and its inside surface roughness value should be lower than 3.2, when guaranteeing that core pipe 3 slides in the hole, can not cause damage to setting upright cushion rubber 2 and " O " shape sealing ring 4.Joint clasp 5 is connected with the conical external screw thread of its conical internal thread and the bigger end of pipe collar connector 1 diameter of bore, thereby the annular boss on the core pipe 39 is limited in the annular concave path 10 of joint clasp 5, realizes the axial stretching function; Jujube nutty structure end with core pipe 3 is inserted in the pipe collar connector 1, and with pipe collar connector 1 straight length between cooperate, form core pipe 3 radial deflection of 1 in the pipe collar connector, thereby realize rigid casing is carried out angular adjustment,
In addition, leave certain clearance between annular boss 9 on the core pipe 3 and the annular concave path 10 in the joint clasp 5, the size in this gap can relatively rotate in pipe collar connector 1 with the jujube nutty structure that does not hinder core pipe 3 and be advisable.The function of setting upright cushion rubber 2 has two, and the one, play sealing function, the 2nd, can prevent from when carrying or going into the well, to occur arbitrarily rocking between each member of casing joint; When the lateral external forces in the stratum acts on connector, set upright cushion rubber 2 and be squeezed, be out of shape, produce the drift angle thereby can make between core pipe 3 and the pipe collar connector 1; Should have certain pre compressed magnitude when setting upright cushion rubber 2 assemblings, should guarantee can not occur between each member rocking the deflection that can reach in the time of also will guaranteeing pressurized.
Compress cushion rubber 7 and adopt rectangular seals, lock ring is at the external surface of core pipe 3, and by gland 6 its and joint clasp 5 compressed, and its function is to prevent from that the cement mortar of cementing the well from entering to hinder stretching of core pipes 3 in the joint clasp 5.
In concrete the enforcement, connect hoop 8 and be set to symmetrical structure, the internal thread at two ends all can match with the external screw thread of core pipe 3.Except connecting hoop 8, other all members can symmetry be installed in the other end that connects hoop 8 in the accompanying drawing; Like this, one can be connected with the pipeline of original sleeve pipe easily, and two can increase corner of the present utility model and stroke.
Claims (3)
1, can regulate casing joint, it is characterized in that being sleeve pipe pipe collar connector (1) is set, core pipe (3) be connected hoop (8), the profile of described core pipe (3) is jujube nuclear shape, one end of core pipe (3) all is inserted in the pipe collar connector (1) together with its maximum gauge position, " O " shape sealing ring (4) is set between the inwall of the maximum gauge position of described core pipe (3) and pipe collar connector (1), termination in core pipe (3), be positioned to be provided with between the inwall of its lateral wall and pipe collar connector (1) and set upright cushion rubber (2), with described inside wall with pipe collar connector (1) that the core pipe (3) that is jujube nuclear shape profile is equipped be straight length, the other end of core pipe (3) be connected hoop (8) and be threaded; Joint clasp (5) one ends that are provided with between core pipe (3) and pipe collar connector (1) slide on the core pipe (3), and cushion rubber (7) is pressed on the core pipe (3) by gland (6) in the end of joint clasp (5), the other end of joint clasp (5) is threaded with pipe collar connector (1).
2, according to claim 1ly regulate casing joint, it is characterized in that on the section of cooperation between described joint clasp (5) and the core pipe (3), be equipped with annular boss (9) and annular concave path (10) each other, and described annular boss (9) axially there is an operating range along core pipe (3) in annular concave path (10).
3, according to claim 1ly regulate casing joint, it is characterized in that described connection hoop (8) is a symmetrical structure, connect two core pipes in its two ends symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200338386U CN200999627Y (en) | 2007-01-26 | 2007-01-26 | Adjustable sleeve joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200338386U CN200999627Y (en) | 2007-01-26 | 2007-01-26 | Adjustable sleeve joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200999627Y true CN200999627Y (en) | 2008-01-02 |
Family
ID=39014034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200338386U Expired - Fee Related CN200999627Y (en) | 2007-01-26 | 2007-01-26 | Adjustable sleeve joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200999627Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460053A (en) * | 2009-05-06 | 2012-05-16 | 塞彭公司 | Tube bundle equipment with liquid flow regulating elements |
| CN106764140A (en) * | 2016-12-26 | 2017-05-31 | 常熟市惠机电有限公司 | One kind lifting valve connections |
| CN112494077A (en) * | 2020-10-30 | 2021-03-16 | 张忠芳 | Clinical clear palace art sample collection device of gynaecology |
| CN113622894A (en) * | 2020-05-06 | 2021-11-09 | 中核通辽铀业有限责任公司 | Device of uranium mine high pressure notes liquid is adopted in ground leaching |
| CN113803541A (en) * | 2021-08-31 | 2021-12-17 | 郑煤机智鼎液压有限公司 | Telescopic welding straight-through pipe joint and hydraulic cylinder with same |
| CN116163654A (en) * | 2023-03-27 | 2023-05-26 | 山东龙元地质工程有限公司 | A pipe jacking device and method |
-
2007
- 2007-01-26 CN CNU2007200338386U patent/CN200999627Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102460053A (en) * | 2009-05-06 | 2012-05-16 | 塞彭公司 | Tube bundle equipment with liquid flow regulating elements |
| CN106764140A (en) * | 2016-12-26 | 2017-05-31 | 常熟市惠机电有限公司 | One kind lifting valve connections |
| WO2018121091A1 (en) * | 2016-12-26 | 2018-07-05 | 常熟市惠一机电有限公司 | Lifting/lowering valve connecting member |
| CN113622894A (en) * | 2020-05-06 | 2021-11-09 | 中核通辽铀业有限责任公司 | Device of uranium mine high pressure notes liquid is adopted in ground leaching |
| CN112494077A (en) * | 2020-10-30 | 2021-03-16 | 张忠芳 | Clinical clear palace art sample collection device of gynaecology |
| CN113803541A (en) * | 2021-08-31 | 2021-12-17 | 郑煤机智鼎液压有限公司 | Telescopic welding straight-through pipe joint and hydraulic cylinder with same |
| CN116163654A (en) * | 2023-03-27 | 2023-05-26 | 山东龙元地质工程有限公司 | A pipe jacking device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: ANHUI UNIVERSITY OF SCIENCE ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Anhui University Of Science And Technology Number: 01 Page: The title page Volume: 24 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Anhui University Of Science And Technology Number: 01 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: ANHUI UNIVERSITY OF SCIENCE ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20120126 |