CN109403893A - A kind of twistlock mechanism for delivery device with pressure - Google Patents
A kind of twistlock mechanism for delivery device with pressure Download PDFInfo
- Publication number
- CN109403893A CN109403893A CN201811381295.6A CN201811381295A CN109403893A CN 109403893 A CN109403893 A CN 109403893A CN 201811381295 A CN201811381295 A CN 201811381295A CN 109403893 A CN109403893 A CN 109403893A
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- China
- Prior art keywords
- central axis
- rotation
- rotation lid
- outer tube
- arc
- Prior art date
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 239000000243 solution 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- 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
- E21B19/10—Slips; Spiders ; Catching devices
-
- 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
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
Landscapes
- Engineering & Computer Science (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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Ladders (AREA)
Abstract
The invention discloses a kind of twistlock mechanisms for delivery device with pressure, including upper spiral cover, intermediate end cover, rotation lid, central axis and two Symmetrical Circular Arc latch segments, by can be manually rotated bar rotation rotation lid outer profile periphery, the rotation of Internal periphery arc surface is driven, two circular arc latch segment outer profile arc surfaces is squeezed and inside and outside two directions occurs and move back and forth.Structure is simple, securely and reliably, it is easy to operate, outer tube can be delivered with centering, it is inclined to be not easy card, it realizes and sets after facilitating two-stage hydraulic cylinder that tubing packer branch journey is delivered to flow string predetermined interior position after safe locking delivery outer tube, guarantee entire delivery device with pressure safely and smoothly acidizing treatment.
Description
Technical field
The present invention relates to water injection well in oil fields delivery device retaining mechanisms with pressure, specifically a kind of to fill for delivery with pressure
The twistlock mechanism set.
Background technique
Tubing packer is usually delivered to after flow string predetermined interior position in fact by water injection well in oil fields delivery device with pressure
It now sets, flow string internal pressure channel is isolated, after realizing that the inside of flow string blocks, carry out normal acidizing treatment.
And the primary premise of delivery with pressure needs to lead to by delivery device moving beam with pressure and after delivering outer tube safe locking
It crosses two-stage hydraulic cylinder tubing packer branch journey is delivered to inside flow string.
Patent (CN 101343985A) describes a kind of transverse beam type pipe clamping device, mainly includes girder, hydraulic cylinder and slips.
Both ends hydraulic cylinder is connected with respective slips, is symmetrically installed, and by the traverse motion of hydraulic cylinder, so that slips is held tubing string tightly real
Existing locking function.This structure has the following disadvantages or deficiency: 1. slips and tubing string are not easy centering, easily block inclined tubing string；2. hydraulic
Cylinder thrust is slightly larger, easy card bend pipe column；3. manufacturing and designing, installation procedure is complicated；4. structure is complicated, higher cost.
Summary of the invention
A kind of the purpose of the present invention is to provide structures simple, easily operated can be manually rotated for delivery device with pressure
Retaining mechanism.The mechanism structure is reasonable, securely and reliably, can deliver outer tube with centering, be not easy card partially, safe locking delivers outer layer
Guan Hou realizes after facilitating two-stage hydraulic cylinder that tubing packer branch journey is delivered to flow string predetermined interior position and sets,
Guarantee entire delivery device with pressure safely and smoothly acidizing treatment.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: a kind of hand for delivery device with pressure
Dynamic rotation retaining mechanism, including upper spiral cover, intermediate end cover, rotation lid, central axis and two Symmetrical Circular Arc latch segments, central axis are whole
Body is in through-hole type ladder circle column, and central axis inner via hole is passed through for delivering outer tube, and the columnar central axis of ladder circle includes being in
Cylinder disc type upper end, evagination intermediate position with ladder platform and have externally threaded lower end, upper end lower part outer profile circular arc
Face left and right ends are symmetrically arranged with the arc surface opening communicated with central axis inner via hole, and arc surface open upper end face is provided with radial recessed
Slot；Upper spiral cover interior design has internal screw thread, is connected through a screw thread with central axis lower end, for central axis to be securely fitted in movement
In beam through-hole；Rotation lid Internal periphery is two arc surfaces that internal diameter is gradual change type, and the arc surface of Internal periphery and two circular arcs are locked
Block outer profile arc surface fits closely, and two circular arc latch segments are symmetrically respectively inserted into the arc surface opening of central axis, in circle
The position opposite with the groove of arc surface opening is provided with spring catch on arc latch segment, and spring catch is placed in the groove of central axis,
It is assembled together with central axis；Intermediate end cover is cyclic annular in ladder circle, matches with the ladder platform at position among central axis, intermediate ends
Lid is located at intermediate position lower part, and rotation lid is located at intermediate position top, and intermediate end cover and rotation lid are connected through a screw thread fixed dress
With, making the ladder platform of intermediate position protrusion be clipped in the middle end cap among rotation lid together, enables intermediate end cover and rotate lid
It rotates around center axis together, to drive rotation lid Internal periphery arc surface rotation, squeezes two circular arc latch segment outer profile circular arcs
Face and inside and outside two directions occur and move back and forth, outer tube locking is delivered in holding/release, is realized tight loose to the lock for delivering outer tube
Open function.
The delivery outer layer pipe surface is axially provided with multiple locking grooves, and locking groove design has an outer chamfer, and two
A circular arc latch segment delivers outer tube by holding/release and locks groove, realizes to the locking/release function for delivering outer tube
Energy.
The rotation lid outer profile periphery has internal thread hole along center line left and right ends, can be manually rotated and sets on bar
In respect of external screw thread, it can be manually rotated bar and be connected through a screw thread together with fixing assembling with rotation lid, by can be manually rotated bar rotation rotation
Hub cap.
The rotation base portion is respectively symmetrically provided with 4 internal thread holes along 30 ° of directions of center of arc's line, and intermediate end cover is along circular arc
30 ° of directions of center line or so are respectively symmetrically provided with 4 ladder holes, and hex bolts is placed in ladder hole, and logical with rotation lid
Cross threaded connection fixing assembling together.
The beneficial effects of the present invention are: structure is simple, and it is securely and reliably, easy to operate, outer tube can be delivered with centering, be not easy
Partially, safe locking facilitates two-stage hydraulic cylinder that tubing packer branch journey is delivered to inside flow string to card after delivering outer tube
It realizes and sets behind predetermined position, guarantee entire delivery device with pressure safely and smoothly acidizing treatment.
Detailed description of the invention
Fig. 1 is the structure sectional view of the twistlock mechanism for delivery device with pressure of the invention；
Fig. 2 is the structural schematic diagram of the twistlock mechanism for delivery device with pressure of the invention；
Fig. 3 is the perspective view of the jackshaft of the twistlock mechanism for delivery device with pressure of the invention；
Fig. 4 is the plan view of the rotation lid of the twistlock mechanism for delivery device with pressure of the invention.
Fig. 5 is two Symmetrical Circular Arcs locking agllutination of the twistlock mechanism for delivery device with pressure of the invention
Structure schematic diagram；
Fig. 6 be the twistlock mechanism for delivery device with pressure of the invention installation after schematic diagram；
Fig. 7 is that the status architecture of not locking of the twistlock mechanism for delivery device with pressure of the invention is illustrated
Figure；
Fig. 8 is the locking state structural schematic diagram of the twistlock mechanism for delivery device with pressure of the invention；
Fig. 9 is the twistlock mechanism and the signal of moving beam assembling structure for delivery device with pressure of the invention
Figure.
Specific embodiment
Foregoing invention content of the invention is described in further detail With reference to embodiment.But it should not incite somebody to action
This range for being interpreted as the above-mentioned theme of the present invention is only limitted to following embodiments.Do not separating the above-mentioned technical idea situation of the present invention
Under, according to ordinary skill knowledge and customary means, various replacements and change are made, the scope of the present invention should all be included in
It is interior.
As shown in figs 1-9, the twistlock mechanism for delivery device with pressure of the invention, including upper spiral cover 1, in
Between end cap 2, rotation lid 3, central axis 4 and two Symmetrical Circular Arc latch segments 5, whole central axis 4 is in through-hole type ladder circle column, in
4 inner via hole of mandrel is passed through for delivering outer tube 9, and the columnar central axis 4 of ladder circle includes in cylinder disc type upper end 4b, evagination
Intermediate position 4c with ladder platform and externally threaded lower end 4d is had, the upper end lower part 4b outer profile arc surface left and right ends are symmetrical
Equipped with the arc surface opening 4e communicated with central axis inner via hole, arc surface open upper end face is provided with radial groove 4a；Upper spiral cover 1
Interior design has internal screw thread, is connected through a screw thread with central axis lower end 4d, leads to for central axis 4 to be securely fitted in moving beam 6
In hole；Rotation 3 Internal periphery of lid is two arc surfaces that internal diameter is gradual change type, the arc surface of Internal periphery and two circular arc latch segments 5
Outer profile arc surface fits closely, and two circular arc latch segments 5 are symmetrically respectively inserted into the arc surface opening 4e of central axis, in circle
The position opposite with the groove 4a of arc surface opening is provided with spring catch 5a on arc latch segment 5, and spring catch 5a is placed in central axis
At groove 4a, it is assembled together with central axis 4；Intermediate end cover 2 is cyclic annular in ladder circle, the ladder platform with position 4c among central axis
Match, intermediate end cover 2 is located at the lower part intermediate position 4c, and rotation lid 3 is located at the top intermediate position 4c, intermediate end cover 2 and rotation
Lid 3 is connected through a screw thread fixing assembling together, and the ladder platform of intermediate position 4c protrusion is made to be clipped in the middle end cap 2 and rotation lid 3
Centre enables intermediate end cover 2 to rotate together around central axis 4 with rotation lid 3, so that rotation 3 Internal periphery arc surface of lid rotation is driven,
It squeezes two circular arc latch segments, 5 outer profile arc surface and inside and outside two directions occurs and move back and forth, outer tube 9 is delivered in holding/release
Locking is realized to the locking/release function for delivering outer tube.
It is preferred that 9 surface of delivery outer tube is axially provided with multiple locking groove 9a, locking groove 9a design has
Outer chamfer, two circular arc latch segments are delivered outer tube by holding/release and are locked at groove 9a, realize to delivery outer tube
Locking/release function.
It is preferred that the 3 outer profile periphery of rotation lid has internal thread hole 3a along center line left and right ends, manually
Design has external screw thread on swingle 3b, can be manually rotated bar 3b and is connected through a screw thread together with fixing assembling with rotation lid 3, passes through hand
Dynamic swingle 3b rotation rotation lid 3.
It is preferred that 3 bottom of rotation lid is respectively symmetrically provided with 4 internal thread hole 3c, intermediate ends along 30 ° of directions of center of arc's line
Lid 2 is respectively symmetrically provided with 4 ladder holes along 30 ° of directions of center of arc's line or so, and hex bolts is placed in ladder hole, and with
Rotation lid 3 is connected through a screw thread fixing assembling together.
Specifically, upper 1 interior design of spiral cover has internal screw thread, pass through screw thread with rotation locking 4 external screw thread of mechanism center shaft
It is connected and fixed and is assemblied in 6 through-hole of moving beam.Moving beam 6 is fixedly connected on one by bolt 7 and delivery device piston rod 8 with pressure
It rises.Delivering the design of 9 surface of outer tube has locking groove 9a, and locking groove 9a design has outer chamfer.It delivers outer tube 9 and passes through rotation
4 inner via hole of retaining mechanism central axis carries out delivery operation with pressure.
Intermediate end cover 2 is cyclic annular in ladder circle, and it is logical to be respectively symmetrically provided with 4 ladders along 30 ° of directions of center of arc's line or so
Hole, hex bolts are placed in ladder hole, and are connected through a screw thread together with fixing assembling with rotation lid 3.
It rotates 3 outer profile periphery of lid and has internal thread hole 3a along center line left and right ends, can be manually rotated on bar 3b
Design has external screw thread at end, can be manually rotated bar 3b and is connected through a screw thread together with fixing assembling with rotation lid.Rotate 3 bottom edge of lid
30 ° of directions of center of arc's line are respectively symmetrically provided with 4 internal thread hole 3c, are threadedly coupled fixed dress by hex bolts with intermediate end cover
With together.Rotating 3 Internal periphery of lid is in irregular roundness arcuation, Internal periphery arc surface and two 5 outer profile of circular arc latch segment circles
Cambered surface fits closely, and by can be manually rotated bar 3b rotation rotation 3 outer profile periphery of lid, driving the rotation of Internal periphery arc surface, squeezing
It presses two circular arc latch segments, 5 outer profile arc surface and inside and outside two directions occurs and move back and forth, to hold/unclamp delivery outer tube tightly
Groove is locked, is realized to the locking/release function for delivering outer tube.
Rotation locking 4 upper end of central axis design has external screw thread, is connected through a screw thread fixed dress with upper 1 internal female of spiral cover
It fits on moving beam.Intermediate position design has ladder platform, is assembled together with ladder circle ring-type intermediate end cover 2.Lower part outer profile
The design of arc surface left and right ends has arc surface opening, and arc surface upper opening portion both ends separately design fluted 4a, symmetrical with two
5 outer surface of circular arc latch segment is assembled together, inwardly squeeze two 5 outer surfaces of Symmetrical Circular Arc latch segment just with rotation lock
Tight central axis lower part outer profile arc surface matches.
Two 5 outer profiles of Symmetrical Circular Arc latch segment are in irregular roundness cambered surface, and designing on the semicircle Internal periphery arc surface of center has
Stepped chamfers match with outer tube locking groove 9a outer chamfer is delivered, prevent it from moving back slot easily and unclamp slippage；Upper surface difference
Design has spring catch 5a, is placed at rotation locking 4 or so groove 4a of mechanism center shaft, assembles with rotation locking mechanism center shaft 4
Together.Two 5 outer profile arc surfaces of Symmetrical Circular Arc latch segment are fitted closely with rotation 3 Internal periphery arc surface of lid, by rotation lid 3
Internal periphery arc surface rotary squeezing acts on and inside and outside two directions occurs and move back and forth.
By can be manually rotated bar 3b rotation rotation 3 outer profile periphery of lid, the rotation of Internal periphery arc surface is driven, squeezes two
5 outer profile arc surface of circular arc latch segment and inside and outside two directions occur and move back and forth.It is rotated clockwise and generates inside straight line fortune
It is dynamic, overcome spring catch 5a inner spring power, holds tightly and deliver the locking groove 9a realization locking function of outer tube 9, and then make moving beam
6 link together with outer tube 9 is delivered, and tubing packer branch journey is delivered to inside flow string by two-stage hydraulic cylinder
Predetermined position；Generation linear motion outward is rotated counterclockwise, it is outer far from delivering under spring catch 5a inner spring rebound effect
Layer pipe 9, which is locked, realizes release function at groove 9a.
In conclusion the contents of the present invention are not limited in the above embodiments, the knowledgeable people in same area can
To propose other embodiments easily within technological guidance's thought of the invention, but this embodiment be included in it is of the invention
Within the scope of.
Claims (4)
1. a kind of twistlock mechanism for delivery device with pressure, which is characterized in that including upper spiral cover (1), intermediate ends
(2), rotation lid (3), central axis (4) and two Symmetrical Circular Arc latch segments (5) are covered, central axis (4) is integrally in through-hole type ladder circle
Column, central axis (4) inner via hole are passed through for delivering outer tube (9), and the columnar central axis of ladder circle (4) includes in cylinder disc type
Upper end (4b), evagination intermediate position (4c) with ladder platform and have externally threaded lower end (4d), outside the lower part upper end (4b)
Profile arc surface left and right ends are symmetrically arranged with the arc surface opening (4e) communicated with central axis inner via hole, arc surface open upper end face
It is provided with radial groove (4a)；Upper spiral cover (1) interior design has internal screw thread, is connected through a screw thread with central axis lower end (4d), uses
In central axis (4) is securely fitted in moving beam (6) through-hole；Rotation lid (3) Internal periphery is two circles that internal diameter is gradual change type
Cambered surface, the arc surface of Internal periphery are fitted closely with two circular arc latch segment (5) outer profile arc surfaces, two circular arc latch segments (5)
It is symmetrically respectively inserted into the arc surface opening (4e) of central axis, the groove being open on circular arc latch segment (5) with arc surface
(4a) opposite position is provided with spring catch (5a), and spring catch (5a) is placed at the groove (4a) of central axis, is filled with central axis (4)
With together；Intermediate end cover (2) is cyclic annular in ladder circle, matches with the ladder platform of position (4c) among central axis, intermediate end cover
(2) it is located at the lower part intermediate position (4c), rotation lid (3) is located at the top intermediate position (4c), intermediate end cover (2) and rotation lid (3)
It is connected through a screw thread fixing assembling together, the ladder platform for protruding intermediate position (4c) is clipped in the middle end cap (2) and rotation is covered
(3) intermediate, it rotate intermediate end cover (2) and rotation lid (3) can around central axis (4) together, to drive rotation lid (3) Internal periphery
Arc surface rotation, squeezes two circular arc latch segment (5) outer profile arc surfaces and inside and outside two directions occurs and move back and forth, and embraces tight loose
It opens and delivers outer tube (9) locking, realize to the locking/release function for delivering outer tube.
2. being used for the twistlock mechanism of delivery device with pressure according to claim 1, which is characterized in that the delivery
Outer tube (9) surface is axially provided with multiple locking grooves (9a), and locking groove (9a) design has outer chamfer, two circular arcs
Latch segment is delivered at outer tube locking groove (9a) by holding/release, is realized to the locking/release function for delivering outer tube.
3. being used for the twistlock mechanism of delivery device with pressure according to claim 1, which is characterized in that the rotation
It covers (3) outer profile periphery and has internal thread hole (3a) along center line left and right ends, can be manually rotated to design on bar (3b) has
External screw thread can be manually rotated bar (3b) and be connected through a screw thread together with fixing assembling with rotation lid (3), by can be manually rotated bar (3b)
Rotation rotation lid (3).
4. being used for the twistlock mechanism of delivery device with pressure according to claim 1, which is characterized in that the rotation
Lid (3) bottom is respectively symmetrically provided with 4 internal thread holes (3c) along 30 ° of directions of center of arc's line, and intermediate end cover (2) is along center of arc's line
The 30 ° of directions in left and right are respectively symmetrically provided with 4 ladder holes, and hex bolts is placed in ladder hole, and pass through spiral shell with rotation lid (3)
Line, which is connected and fixed, to be assembled together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381295.6A CN109403893B (en) | 2018-11-19 | 2018-11-19 | Manual rotation locking mechanism for pressurized delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811381295.6A CN109403893B (en) | 2018-11-19 | 2018-11-19 | Manual rotation locking mechanism for pressurized delivery device |
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| Publication Number | Publication Date |
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| CN109403893A true CN109403893A (en) | 2019-03-01 |
| CN109403893B CN109403893B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811381295.6A Active CN109403893B (en) | 2018-11-19 | 2018-11-19 | Manual rotation locking mechanism for pressurized delivery device |
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| Country | Link |
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| CN (1) | CN109403893B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113978766A (en) * | 2021-12-03 | 2022-01-28 | 中国科学院空间应用工程与技术中心 | Locking mechanism of linear motion system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685633B (en) * | 2019-10-31 | 2021-07-27 | 中国石油集团渤海钻探工程有限公司 | Simple and easy area is pressed and is thrown and send well head protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4084453A (en) * | 1976-03-30 | 1978-04-18 | Eckel Manufacturing Co., Inc. | Power tongs |
| US20090272232A1 (en) * | 2008-05-01 | 2009-11-05 | Clint Musemeche | Dumbell Roller Assembly for Tong Unit |
| CN101343985B (en) * | 2008-08-27 | 2011-07-27 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Transverse beam type pipe clamping device |
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| CN113978766A (en) * | 2021-12-03 | 2022-01-28 | 中国科学院空间应用工程与技术中心 | Locking mechanism of linear motion system |
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| CN109403893B (en) | 2020-03-06 |
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Inventor after: Ping Enshun Inventor after: Sun Libo Inventor after: Yang Zhi Inventor after: Yu Changlu Inventor after: Tian Shengmin Inventor after: Hu Yongxiong Inventor after: Jiang Youcai Inventor after: Wang Wenshan Inventor after: Shi Junliang Inventor after: Wu Wenbo Inventor after: Li Xin Inventor before: Ping Enshun Inventor before: Yang Zhi Inventor before: Tian Shengmin Inventor before: Hu Yongxiong Inventor before: Jiang Youcai Inventor before: Wang Wenshan Inventor before: Shi Junliang Inventor before: Wu Wenbo Inventor before: Li Xin Inventor before: Sun Libo |
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Effective date of registration: 20201217 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd., No. 83, Second Street, economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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