CN101957293B - Combined loading expansion test device for entity expansion pipe - Google Patents
Combined loading expansion test device for entity expansion pipe Download PDFInfo
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- CN101957293B CN101957293B CN2010102859115A CN201010285911A CN101957293B CN 101957293 B CN101957293 B CN 101957293B CN 2010102859115 A CN2010102859115 A CN 2010102859115A CN 201010285911 A CN201010285911 A CN 201010285911A CN 101957293 B CN101957293 B CN 101957293B
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- expansion
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- clamping
- bloating
- locating flange
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Abstract
The invention relates to a combined loading expansion test device for an entity expansion pipe, comprising a loading frame, an expansion test system, an expansion clamping system and a sensor system, wherein the expansion test system is fixed on the loading frame, and one side of the loading frame is provided with the expansion clamping system. The invention has simple and reliable structure, can supply axial controllable mechanical tensile load of 0-2000kN and hydraulic pressure of 0-80Mpa, can realize the mechanical tensile expansion or hydraulic expansion or mechanical tensile and hydraulic pressure composite expansion test for the entity expansion whole pipe, can measure the displacement, the tensile load and the hydraulic pressure in an expansion test process and the radial deformation data of the entity expansion pipe in real time, can satisfy the expansion test of various sizes of entity expansion whole pipes or entity expansion pipe connecting structures, effectively avoids horizontal destabilization in a test process and provides an effective test device for detecting expansion performance, evaluating a research, improving the whole pipe structure and optimizing an expansion technology for the entity expansion pipe.
Description
Technical field
The present invention relates to solid expansion pipe technical field in the industrial gas oil; Be particularly related to a kind of device that the solid expansion pipe expansion character is estimated; This device is used in experiment lab simulation field working conditions solid expansion pipe being carried out the research of multiple compound loading mode bloating test, can be used for developing bulged tube tubing and kit simultaneously.
Background technology
Solid expansion pipe SET (Solid Expandable Tubular) technology is realizing that " saving " size of the hole is a purpose, in well, string of casing is expanded radially into a kind of drilling well, completion and the well workover new technology of desired diameter dimension.Using this technology can bring the influence and the great technical economic benefit of " revolutionary character " for the drilling well and the hole structure of deep-well, complex geological condition so that the sleeve pipe number of plies that is lowered to increases.It can become well " thin " cost of development of significantly demoting.It becomes possibility with " single hole diameter ".The solid expansion pipe technology in the whole world development and application very fast, successfully the solid expansion pipe technology is applied to aspects such as subsidy of uncased hole completion, expansion sleeve and expansion tail tube hanging abroad at present.Should technology monopolize at present by a few company.
Solid expansion pipe has many gordian techniquies; As: solid expansion pipe tubing technology, bulged tube interconnection technique, solid expansion pipe detection technique and other supporting technologies etc.; Offshore company has set up more perfect detection technique system in the R&D process of bulged tube series of products, ensured the safe reliability of its bulged tube Related product; And manage as secret of the trade, the cost of technology introduction is higher.The bulged tube product of domestic development; Just, after body and bloat tool assembling, the relevant object performance experiments such as interior pressure, sealing of holding have been carried out on ground according to the demand of expansion process; Shortage is carried out the device of expansion performance experiment to solid expansion pipe; Can't guarantee to expand body in the down-hole military service process safe reliability, be unfavorable for simultaneously the solid expansion pipe controllable quality, this also be domestic bulged tube technology with external similar technology between important gap.
Summary of the invention
The object of the invention provides a kind of solid expansion pipe compound loading bloating test device with regard to being based under the above-mentioned background.The present invention can apply multiple combined load to solid expansion pipe and carry out bloating test, can carry out hydraulic buckling, mechanical swelling, mechanical-hydraulic compound loading bloating test to the solid expansion pipe simulation job operating mode of plurality of specifications.
Technical solution of the present invention is: a kind of solid expansion pipe compound loading bloating test device; Comprise and load frame, bloating test system, expansion grasping system, sensing system; Loading frame is made up of end floor beam (15), guide rail (2), guiding crossbeam (3), middle cross beam (8), frame side wall (26); Guiding crossbeam (3) and middle cross beam (8) can move axially along guide rail (2); Middle cross beam (8) transversely is provided with hydraulic pressure pin (24); Can be connected with the pin-and-hole (9) on the frame side wall (26) and make middle cross beam (8) fixing; The bloating test system comprises hydraulic jack (1), piston rod (23), pull bar (6), expansion cone (17), locating flange (16) and high pressure water injection mechanism (21); Hydraulic jack (1), piston rod (23), pull bar (5), expansion cone (17) connect and compose mechanical stretching expansion experimental provision in order, and locating flange (16), high pressure water injection mechanism (21) and expansion cone (17) constitute the hydraulic buckling experimental provision, and the expansion grasping system comprises that three grab chuck (10), bloated floating clamp (12), expansion anchor clamps (20) and locating flange (16); Three grab chuck (10) and play bloated floating clamp (12) the sizing expansion clamping device of clamping test sample (11) when playing bloated test as the end; The reducing expansion clamping device of expansion anchor clamps (20) and locating flange (16) clamping test sample (11) during as the bulged tube bloating test, sensing system comprises displacement transducer (25), force transducer (4), radial deformation sensor (13) and hydraulic pressure transducer (22), the bloating test system is installed in and loads on the frame; Load frame one side and be provided with the expansion grasping system; Expansion grasping system clamping test sample (11), displacement transducer (25) are located on the piston rod (23), and guiding crossbeam (3) is provided with force transducer (4); Sample (11) outside surface of expansion grasping system clamping is along being circumferentially with 2~8 radial deformation sensors (13), and seal flange (19) is provided with hydraulic pressure transducer (22).
Described bloating test system comprises hydraulic jack (1), piston rod (23), replaceable pull bar (6), expansion cone (17), expansion cone jointing (14), end seal flange (19), locating flange (16) and high pressure water injection mechanism (21); Mechanical stretching expansion experimental provision is made up of following part: guiding crossbeam (3) one ends are connected with hydraulic jack (1) through piston rod (23); The other end of guiding crossbeam (3) is through linkwork (5) cylinder lever connecting rod 6; Pull bar (6) below is provided with supports dolly (7), and the other end of pull bar (6) is connected with expansion cone (17) through expansion cone jointing (14); Locating flange (16) is provided with high pressure water injection mechanism (21) and expansion cone (17) constitutes the hydraulic buckling experimental provision.
Described expansion grasping system comprises that three grab chuck (10), bloated floating clamp (12), expansion anchor clamps (20) and locating flange (16); Middle cross beam (8) and three is grabbed chuck (10) welding and is fixedly connected; Three grab chuck (10) and play bloated floating clamp (12) and work the sizing expansion clamping device of clamping test sample (11) when expanding test as the end, and three grab chuck (10) fixes sample (11) with locating flange (16) and guarantee that sample (11) center is coaxial with piston rod (23) center; Playing bloated floating clamp (12) is connected with the loading frame through the pin-and-hole (9) that loads on the frame side wall; Expansion anchor clamps (20) are installed on the base of frame, the reducing expansion clamping device of expansion anchor clamps (20) and locating flange (16) clamping test sample (11) during as the bulged tube bloating test.
The invention has the beneficial effects as follows: the present invention is simple and reliable for structure; The axial controllable mechanical tensile load of 0~2000kN and the hydraulic coupling of 0~80Mpa can be provided; Cooperate corresponding expansion conehead; Can realize the solid expansion pipe homogeneous tube is carried out mechanical stretching expansion or hydraulic buckling or mechanical stretching and the composite expanded test of hydraulic pressure; And can measure displacement, tensile load, hydraulic pressure and the solid expansion pipe radial deformation data of expansion cone in the bloating test process in real time; Loading frame of the present invention and expansion grasping system can satisfy all size solid expansion pipe homogeneous tube or solid expansion pipe syndeton bloating test, and in process of the test, have avoided horizontal unstability effectively, for the detection of solid expansion pipe expansion character, research evaluation, homogeneous tube architecture advances and expansion process optimization provide a kind of laboratory testing rig effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 for the present invention to solid expansion pipe composite expanded when test structural representation.
Fig. 3 is an A-A sectional view among Fig. 1.
Fig. 4 is a B-B sectional view among Fig. 1.
Fig. 5 is a C-C sectional view among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, specify specific embodiment of the present invention.
The present invention is made up of loading frame, bloating test system, expansion grasping system, sensing system.Loading frame is made up of end floor beam 15, guide rail 2, guiding crossbeam 3, middle cross beam 8, frame side wall 26; Guiding crossbeam 3 can move axially along guide rail 2 with middle cross beam 8; Middle cross beam 8 transversely is provided with hydraulic pressure pin 24; Can be connected with the pin-and-hole 9 on the frame side wall 26 and make middle cross beam 8 fixing; The bloating test system comprises hydraulic jack 1, piston rod 23, pull bar 6, expansion cone 17, locating flange 16 and high pressure water injection mechanism 21; Hydraulic jack 1, piston rod 23, pull bar 5, expansion cone 17 connect and compose mechanical stretching expansion experimental provision in order, and locating flange 16, high pressure water injection mechanism 21 and expansion cone 17 constitute the hydraulic buckling experimental provisions, and the expansion grasping system comprises three grabs chuck 10, plays bloated floating clamp 12, expansion anchor clamps 20 and locating flange 16; Three grab chuck 10 and play bloated floating clamp 12 the sizing expansion clamping device of clamping test sample 11 when playing bloated test as the end; Expansion anchor clamps 20 are the reducing expansion clamping device of clamping test sample 11 during as the bulged tube bloating test with locating flange 16, and sensing system comprises displacement transducer 25, force transducer 4, radial deformation sensor 13 and hydraulic pressure transducer 22, and the bloating test system is fixedly mounted on and loads on the frame; Load frame side wall (26) and be provided with the expansion grasping system; Expansion grasping system clamping test sample 11, displacement transducer 25 is located on the piston rod 23, and guiding crossbeam 3 is provided with force transducer 4; Sample 11 outside surfaces of expansion grasping system clamping are along being circumferentially with 2~8 radial deformation sensors 13, and seal flange 19 is provided with hydraulic pressure transducer 22.
Load frame and adopt horizontal type structure; Form by end floor beam 15, guide rail 2, guiding crossbeam 3, middle cross beam 8, frame side wall (26), load frame and adopt steel welding structure, annealed processing; Can satisfy the maximum load of 2000KN; On frame side wall (26), a series of pin-and-holes 9 of equidistant placement are used to install the expansion grasping system; Load frame top and right side and be designed with protective cover 18, but left and right sides push-and-pull, and the injury that fluid power and mechanical force cause in the time of both can preventing to meet accident in the process of the test does not influence the loading and unloading of sample again.
The bloating test system comprises hydraulic jack 1, piston rod 23, replaceable pull bar 6, expansion cone 17, expansion cone jointing 14, end seal flange 19, locating flange 16 and high pressure water injection mechanism 21.Mechanical stretching expansion experimental provision is made up of following part: guiding crossbeam 3 left ends link to each other with 2000KN hydraulic jack 1 through piston rod 23; Piston rod 23 adopts the riveted joint modes to be connected on the guiding crossbeam 3, can prevent piston when to-and-fro movement owing to transverse load is swung; The right-hand member of guiding crossbeam 3 supports dolly 7 below pull bar 6 through linkwork 5 cylinder lever connecting rods 6, but in process of the test tie-strut 6; The other end of pull bar 6 is connected with expansion cone 17 with the mode that is threaded through expansion cone jointing 14.Locating flange (16) is provided with high pressure water injection mechanism (21) and expansion cone (17) constitutes the hydraulic buckling experimental provision.
The expansion grasping system by three grab chuck 10, play bloated floating clamp 12, expansion anchor clamps 20, locating flange 16 form; Middle cross beam 8 and three is grabbed chuck 10 and is weldingly connected; Its centre longitudinally connects and can let pull bar 6 pass through; Three grab chuck 10 and play bloated floating clamp 12 and work the sizing expansion clamping device of clamping test sample 11 when expanding test as the end, and three to grab chuck 10 and locating flange 16 fixing and guarantee that the sample center is coaxial with piston rod 23 centers with sample 11; Play bloated floating clamp 12 and wear the pin loading and unloading through pin-and-hole 9 hydraulic pressure that load on the frame side wall; Be used for sample 11 being carried out the sizing clamping in a bloated process; Expansion anchor clamps 20 are installed on the base of frame; Expansion anchor clamps 20 are provided with spring device, and can realize expands to add to the reducing of bulged tube sample 11 holds, and expansion anchor clamps 20 are the reducing expansion clamping device of clamping test sample 11 during as the bulged tube bloating test with locating flange 16.Can adapt to certain caliber changes.For prevented to expand with expansion process in the stressed unstability of sample take place laterally to move, play position and clamping diameter that bloated floating clamp 12 and expansion anchor clamps 20 can be adjusted anchor clamps according to the diameter and the length of sample.
Sensing system comprises displacement transducer 25, force transducer 4, radial deformation sensor 13 and hydraulic pressure transducer 22.Wherein displacement transducer 25 is built in the piston rod 23, and motion does not receive extraneous interference flexibly; Force transducer 4 is fixed on the guiding crossbeam 3, makes the tensile force value accurately and not receive the influence of various friction force; Radial deformation sensor 13 is fixing along circumferentially at the outside surface of sample 11,2~8 of quantity, and adjustable positions can be measured solid expansion pipe stress and strain radially; Hydraulic pressure transducer 22 is installed on the end seal flange 19, in the hydraulic buckling process, can measure hydraulic pressure.
During the bulged tube bloating test, open protective cover 18, pull bar 6 is penetrated bulged tube sample 11 inside; Pull bar 6 and bulged tube sample 11 are hung in the device right side together, and it is fixing with bulged tube sample 11 with locating flange 16 that chuck 10 is grabbed in control three, guarantees that sample 11 centers are coaxial with piston rod 23 centers; Adjustment middle cross beam 8 positions; Sample 11 right-hand members stretch out locating flange 16 outer 700~800mm, and pull bar 6 right-hand members are through expansion cone 17 on the screw fit, and left end is connected with guiding crossbeam 3 through articulated manner 5.
The bloated floating clamp 12 of having packed in the pin-and-hole 9 on loading frame side wall; The adjustment anchor clamps 12 clamping diameters merging firm grip that conforms to bulged tube sample 11 external diameters; Radial deformation sensor 13 is fixed on the outside surface of bulged tube sample 11,4 groups of number of sensors, spacing 1000mm.
Close protective cover 18, the hydraulic pressure on the middle cross beam 8 pin 24 is penetrated pin-and-hole 9, control oil cylinder 1 piston rod 23 drives guiding crossbeams 3, from right to left sample 11 is carried out the end through pull bar 6 traction expansion cone 17 and rises bloatedly, plays bloated length 500mm.
After working the completion of expanding, 11 on bulged tube sample expands and holds welding end seal flanges 19, and the hydraulic pressure pin 24 on the middle cross beam 8 is from pin-and-hole 9 withdrawals; Control middle cross beam 8 moves to left with guiding crossbeam 3, and end seal flange 19 is fixed on the locating flange 16, sheds bloated floating clamp 12 from loading in the pin-and-hole 9 on the frame side wall; Expansion anchor clamps 20 close; Three grab chuck 10 unclamps and moves to left, and this moment, bulged tube sample 11 right-hand members were fixed, left end and freedom radially.
Inject that the hydraulic pressure water promote that expansion cone 17 expansion samples 11 or oil cylinder 1 drive through piston rod 23 and guiding crossbeam 3 that 17 pairs of solid expansion pipe samples 11 of pull bars 6 drawn expanded awl expand or both cooperate synchronously and carry out through high pressure water injection pipe 21; Through the tensile load of control oil cylinder 1 or the pressure of high pressure water injection pipe 21 injection hydraulic pressure water; Perhaps the speed of expansion cone 17 is carried out bloating test; When being expanded to expansion cone 17 when bulged tube sample 11 left ends are deviate from, accomplish bloating test.
Sensing system record and 17 displacements of output expansion cone, speed of expansion, tensile load, hydraulic pressure size and solid expansion pipe sample stress and strain radially in the process of the test are realized the evaluation that makes an experiment of solid expansion pipe expansion character.
The present invention is simple in structure, safe and reliable, can carry out composite expanded test to the bulged tube of different size, different grade of steel, different expansivitys, is with a wide range of applications.
The present invention can realize the bloating test of the composite expanded three kinds of modes of mechanical stretching expansion, hydraulic buckling, mechanical stretching and hydraulic pressure.
The present invention adopts micro electronmechanical fluid servo system control mode realizable force, displacement closed-loop control, and dual mode can take over seamlessly.
Claims (3)
1. solid expansion pipe compound loading bloating test device; Comprise and load frame, bloating test system, expansion grasping system, sensing system; It is characterized in that: load frame and form by end floor beam (15), guide rail (2), guiding crossbeam (3), middle cross beam (8), loading frame side wall (26); Guiding crossbeam (3) and middle cross beam (8) can move axially along guide rail (2); Middle cross beam (8) transversely is provided with hydraulic pressure pin (24); Can be connected with the pin-and-hole (9) on loading frame side wall (26) makes middle cross beam (8) fixing; The bloating test system comprises hydraulic jack (1), piston rod (23), replaceable pull bar (6), expansion cone jointing (14), expansion cone (17), end seal flange (19), locating flange (16) and high pressure water injection mechanism (21); Hydraulic jack (1), piston rod (23), replaceable pull bar (6), expansion cone (17) connect and compose mechanical stretching expansion experimental provision in order, and locating flange (16), high pressure water injection mechanism (21) and expansion cone (17) constitute the hydraulic buckling experimental provision, and the expansion grasping system comprises that three grab chuck (10), bloated floating clamp (12), expansion anchor clamps (20) and locating flange (16); Three grab chuck (10) and play bloated floating clamp (12) the sizing expansion clamping device of clamping test sample (11) when playing bloated test as the end; The reducing expansion clamping device of expansion anchor clamps (20) and locating flange (16) clamping test sample (11) during as the bulged tube bloating test, sensing system comprises displacement transducer (25), force transducer (4), radial deformation sensor (13) and hydraulic pressure transducer (22), the bloating test system is installed in and loads on the frame; Load frame one side and be provided with the expansion grasping system; Expansion grasping system clamping test sample (11), displacement transducer (25) are located on the piston rod (23), and guiding crossbeam (3) is provided with force transducer (4); Test sample (11) outside surface of expansion grasping system clamping is along being circumferentially with 2~8 radial deformation sensors (13), and end seal flange (19) is provided with hydraulic pressure transducer (22).
2. a kind of solid expansion pipe compound loading bloating test device as claimed in claim 1; It is characterized in that: described bloating test system comprises hydraulic jack (1), piston rod (23), replaceable pull bar (6), expansion cone (17), expansion cone jointing (14), end seal flange (19), locating flange (16) and high pressure water injection mechanism (21); Mechanical stretching expansion experimental provision is made up of following part: guiding crossbeam (3) one ends are connected with hydraulic jack (1) through piston rod (23); The other end of guiding crossbeam (3) connects replaceable pull bar (6) through linkwork (5); Replaceable pull bar (6) below is provided with supports dolly (7), and the other end of replaceable pull bar (6) is connected with expansion cone (17) through expansion cone jointing (14); Locating flange (16) is provided with high pressure water injection mechanism (21) and expansion cone (17) constitutes the hydraulic buckling experimental provision.
3. a kind of solid expansion pipe compound loading bloating test device as claimed in claim 1; It is characterized in that: described expansion grasping system comprises that three grab chuck (10), bloated floating clamp (12), expansion anchor clamps (20) and locating flange (16); Middle cross beam (8) and three is grabbed chuck (10) and is fixedly connected; Three grab chuck (10) and play bloated floating clamp (12) and work the sizing expansion clamping device of clamping test sample (11) when expanding test as the end, and three grab chuck (10) fixes test sample (11) with locating flange (16) and guarantee that test sample (11) center is coaxial with piston rod (23) center; Playing bloated floating clamp (12) is connected with the loading frame through the pin-and-hole (9) that loads on the frame side wall; Expansion anchor clamps (20) are provided with spring device; Can realize expands to add to the reducing of bulged tube test sample (11) holds; Expansion anchor clamps (20) are installed on the base that loads frame, the reducing expansion clamping device of expansion anchor clamps (20) and locating flange (16) clamping test sample (11) during as the bulged tube bloating test.
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CN2010102859115A CN101957293B (en) | 2010-09-17 | 2010-09-17 | Combined loading expansion test device for entity expansion pipe |
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CN2010102859115A CN101957293B (en) | 2010-09-17 | 2010-09-17 | Combined loading expansion test device for entity expansion pipe |
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CN101957293A CN101957293A (en) | 2011-01-26 |
CN101957293B true CN101957293B (en) | 2012-01-18 |
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CN2010102859115A Expired - Fee Related CN101957293B (en) | 2010-09-17 | 2010-09-17 | Combined loading expansion test device for entity expansion pipe |
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Families Citing this family (11)
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CN102419289B (en) * | 2011-12-21 | 2014-01-15 | 西安三维应力工程技术有限公司 | Full-size complex load mechanical testing machine of petroleum pipe |
CN103015976B (en) * | 2013-01-16 | 2015-04-22 | 西南石油大学 | Test method for simulating restoration of deformation sleeve under stratum confining pressure |
CN103558087B (en) * | 2013-10-18 | 2015-07-22 | 常州大学 | Tube wall plane indentation residual thickness bulging device and method for tube mechanical property test |
CN105484695B (en) | 2015-12-30 | 2018-10-16 | 中国石油天然气集团公司 | Mechanical and hydraulic double-acting expansion device suitable for expansion tube drilling well |
CN106053228B (en) * | 2016-07-12 | 2018-11-27 | 中国重型机械研究院股份公司 | A kind of axial direction hot-stretch flexible compound plastic high voltage delivery pipe experimental rig |
CN108225944A (en) * | 2018-01-22 | 2018-06-29 | 西南交通大学 | A kind of rubble railway ballast direct shear test instrument |
CN110618162B (en) * | 2018-06-19 | 2022-01-18 | 中国石油化工股份有限公司 | Self-expansion sand control screen pipe expansion performance experimental device and experimental method thereof |
CN109632497B (en) * | 2018-12-13 | 2022-03-22 | 大港油田集团有限责任公司 | Experimental device and experimental method for expansion of expansion pipe |
CN109668779B (en) * | 2019-02-16 | 2021-07-16 | 北京工业大学 | Clamp device for measuring mechanical property of fastening belt flat plate sample by tensile test method |
CN110487640B (en) * | 2019-07-31 | 2024-04-05 | 西南石油大学 | Reducing expansion cone test device |
CN112485135B (en) * | 2020-10-30 | 2022-09-13 | 中国直升机设计研究所 | Fatigue test device and verification method for rigid rotor wing composite material long pull rod |
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CN87201014U (en) * | 1987-01-28 | 1988-06-01 | 王梓超 | Vernier calipers for measuring expanded pipe and pipe expansion ratio |
NL9301960A (en) * | 1993-11-12 | 1995-06-01 | Waal Technology & Consultancy | Device for mechanically expanding a pipe or pipe part. |
GB0520182D0 (en) * | 2005-10-04 | 2005-11-09 | Brewis Roderick C | Measuring traction forces |
CN201803905U (en) * | 2010-09-17 | 2011-04-20 | 西安三环科技开发总公司 | Compound loading expansion test device for solid expansion pipe |
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