CN106769486B - A kind of flexible connecting member testboard - Google Patents
A kind of flexible connecting member testboard Download PDFInfo
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- CN106769486B CN106769486B CN201611148631.3A CN201611148631A CN106769486B CN 106769486 B CN106769486 B CN 106769486B CN 201611148631 A CN201611148631 A CN 201611148631A CN 106769486 B CN106769486 B CN 106769486B
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- connecting member
- flexible connecting
- hydraulic cylinder
- flexible
- joint frame
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of flexible connecting member testboard, is made of pedestal, side plate, composite joint frame, height adjustment pad piece, loading hydraulic cylinder and its support etc..Side plate is installed on the pedestal of side plate bottom.It is separately installed with one group of hydraulic cylinder on side plate, pedestal, and is connected with pressure sensor.The hydraulic cylinder being mounted on the base is used to carry out Tensile or Compressive Loading load to flexible connecting member, the hydraulic cylinder being mounted on side plate is connected with composite joint frame, for carrying out moment of flexure load to flexible connecting member, to which realization adjusts testboard axis of rotation to the drawing of flexible connecting member, curved and composite test for convenience, accurate testing degree is improved, several height adjustment pad pieces are installed below vertical hydraulic cylinder.The drawing of the big load wide-angle of flexible connecting member, curved and composite test may be implemented in the present invention, simulates influence of the different operating conditions to flexible connecting member, and precision is high, compact-sized, easy to operate, loading range is big.
Description
Technical field
The present invention relates to a kind of loading testboard more particularly to a kind of flexible connecting member testboards.
Background technique
Sea situation in deep-sea is extremely complex, and numerous petroleum pipelines, drilling platforms can be by ocean current, wave, sea ice, tides in ocean
The influence of the factors such as nighttide, therefore the coupling part of these underwater equipments generallys use flexible design, to resist rushing for external environment
It hits.Such as there is rubber elastic element to rise in the tendon connector of ocean floor drilling standpipe, steel catenary riser system and tension leg platform (TLP)
To the effect of flexible connection.
Sea situation influences that two classes can be summarized as caused by flexible connecting member: one kind is the preload that flexible connecting member is subject to
The correction tension that power, environmental load, tide heave generate, tendon tension surplus and various varying loads, are referred to as tensile force.
One kind is that wave can make the both ends of flexible connecting member generate certain corner, i.e. moment of flexure.For testing flexible connecting member, tensile force
It is generally obtained by tensile test specimen, moment of flexure is obtained by swinging, and is usually completed in land by dedicated test device.
Existing is typically separate progress for flexible connecting member drawing, curved test, and composite test device can not be accomplished larger
The swing of amplitude, and the test and experiment device vibration noise of the four-bar mechanism of motor drive is bigger, is not suitable for high-frequency
Test.
Such as 105241647 A of Chinese patent application publication No. CN, data of publication of application 2016.01.13, the name of innovation and creation
The referred to as testing stand of underwater connector external applied load, that application discloses one kind for carrying out pulling force, pressure, moment of flexure and four kinds of torque
The testing stand of the underwater connector external applied load of different type test, disadvantage is that structure is complicated, angle rotatable is too small,
It is unable to satisfy experiment demand.
Summary of the invention
The purpose of the invention is to provide a kind of flexible connecting member testboard, have suitable for test Offshore Engineering
The flexible connecting members such as pipeline, the tension leg tendon of flexible connection, the present invention can survey the bonding strength of flexible connecting member
Examination, and vertical and torsion stiffness measurement can be realized by loading tensile and bending load.It is whole to use full hydraulic drive, it can be with
Meet the requirement for larger test pressure, hunting range is big, and it is low, with small vibration to test noise.
The object of the present invention is achieved like this: including pedestal, two horizontal addload hydraulic devices, being symmetricly set on pedestal
On two vertical load hydraulic devices, be mounted on the base flexible connecting members, with connected compound in flexible connecting member upper end
Connection frame, the side plate being mounted on the base, and the flexible connecting member is between two each vertical load hydraulic devices, it is each perpendicular
Straight load hydraulic device includes the drag hinge support being mounted on the base, the vertical load with the articulated connection of drag hinge support
Hydraulic cylinder, the flange tension-compression sensor being connect with vertical loading hydraulic cylinder upper end, and flange tension-compression sensor upper end and compound company
Connect frame lower end be connected, each horizontal addload hydraulic device include the falling hinger support being arranged on composite joint frame, setting exist
Guide rail on side plate, T connector rocker bar bearing, horizontal addload hydraulic cylinder, the screw thread tension-compression sensor being mounted in guide rail, level plus
The cylinder body of carrier fluid cylinder pressure and falling hinger support be hinged, horizontal addload hydraulic cylinder piston rod is connect with screw thread tension-compression sensor,
Screw thread tension-compression sensor is hinged on T connector rocker bar bearing, and fixed T connector rocker bar bearing position is also evenly arranged on the guide rail
The screw hole set.
The invention also includes structure features some in this way:
1. the flexible connecting member includes flexible connecting member shell, flexible member shell, flexible member and tendon, flexibility is even
Connector housings are fixedly mounted on pedestal, and flexible member shell is fixed by card slot and flexible connecting member shell, and flexible member is set
It sets in flexible member shell, the upper end of tendon is connect with the lower end of composite joint frame.
2. being additionally provided with height adjustment pad piece between the drag hinge support and pedestal.
3. being provided with angular transducer on the composite joint frame.
Compared with prior art, the beneficial effects of the present invention are: having fully considered larger test pivot angle from configuration aspects
And a variety of stiffness characteristics couple movement interference problem when detecting, and can be soft using the form of hydraulic cylinder cooperation hinge shaft
Property connector larger (>=10 °) pivot angle and displacement are provided, and made by the quantity of the adjustment gasket under change vertical hydraulic cylinder
It is identical as flexible connecting member oscillation center to obtain hydraulic cylinder oscillation center, additional torque brought by decentraction is eliminated, to improve
In the accuracy detected when torsion stiffness test；From expand performance from the aspect of to various sizes of flexible connecting member into
Row detection can cooperate the T-slot of side plate to adjust by the flange size of replacement testboard composite joint frame and base flange plate
Preferable versatility may be implemented in horizontal hydraulic cylinder height；Flexible connecting member functionally may be implemented once to fill on testboard
Folder, while carrying out the load and measurement of multi-dimensional direction power (torque), substantially reduce flexible connecting member test period and test at
This, provides technical guarantee for the connection of underwater equipment.
Detailed description of the invention
Fig. 1 is schematic perspective view of the invention (left front visual angle)；
Fig. 2 is schematic perspective view of the invention (right back angle)；
Fig. 3 is the exploded view of adjustment gasket and vertical loading hydraulic cylinder rocker bar bearing of the invention；
Fig. 4 is horizontal hydraulic cylinder and its attachment schematic diagram of the present invention；
Fig. 5 is horizontal hydraulic cylinder height adjuster schematic diagram of the present invention；
Fig. 6 is flexible connecting member structure sectional view of the present invention；
Fig. 7 is tensile test working principle diagram of the present invention；
Fig. 8 is rocking test working principle diagram of the present invention；
Fig. 9 is composite test working principle diagram of the present invention.
In figure: 1. pedestals, 2. base flange plates, 3. flexible connecting members, 31. flexible connecting member shells, outside 32. flexible members
Shell, 33. flexible members, 34. tendons, 4. vertical load hydraulic devices, 41. big straight pins, 42. big hinge shafts, 43. flanges are drawn
Pressure sensor, 44. vertical loading hydraulic cylinder rocker bar bearings, 45. vertical loading hydraulic cylinders, 5. composite joint framves, 6. angle sensors
Device, 7. side plates, 8. height adjustment pad pieces, 9. horizontal addload hydraulic devices, 91. roundlet pins, 92. screw thread tension-compression sensors, 93.
Small hinge shaft, 94.T shape plug rocker bar bearing, 95. horizontal addload hydraulic cylinder rocker bar bearings, 96. horizontal addload hydraulic cylinders, 10.
Rocker bar bearing screw hole, 11. guide rail brackets.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing.
It is a kind of for testing the testboard of flexible connecting member, if by pedestal, side plate, composite joint frame, height adjustment pad piece,
The composition such as dry sensor, loading hydraulic cylinder and its support.Wherein pedestal for installation side plate, a pair of vertical load hydraulic device,
Flexible connecting member；The top of vertical load hydraulic device is equipped with composite joint frame, and composite joint frame is connected with flexible connecting member, uses
To carry out vertical load load；A pair of of horizontal addload hydraulic device is installed, by composite joint frame to flexible connection on side plate
Part carries out moment of flexure load.Side plate is equipped with guide rail bracket, horizontal addload hydraulic cylinder height can be adjusted.The vertical load
There are two hydraulic devices, wherein rocker bar bearing, rocker bar bearing are installed in installation pressure sensor, lower section above vertical loading hydraulic cylinder
There is height adjustment pad piece in lower section；There are two the horizontal addload hydraulic devices, and horizontal addload hydraulic cylinder passes through hinge and compound company
Another rocker bar bearing connection of frame is connect, hydraulic stem is threadedly coupled with tension-compression sensor, and sensor passes through the guide rail of hinge and side plate
Frame connection.Guide rail bracket is welded on side plate, guide rail bracket has T-slot and several threaded holes, have in horizontal addload hydraulic cylinders bearing with
Its T shape plug to match slides horizontal addload hydraulic cylinder in T-slot, and be bonded by screw, has
Beneficial effect is the height of adjustable horizontal addload hydraulic cylinder, to be adapted to the flexible connecting member of different model.Vertical load liquid
If the adjustment gasket for having dry thickness different below cylinder pressure rocker bar bearing, the beneficial effect is that change can be passed through in use
The quantity for adjusting gasket adjusts hydraulic cylinder swinging center height, so that the swinging center of hydraulic cylinder oscillation center and flexible connecting member
It is identical.There is the lower flange for being connected with flexible connecting member to be measured on pedestal and composite joint frame.Composite joint frame uses purlin
Frame structure, composite joint frame top are equipped with angular transducer.
In conjunction with attached drawing, the present invention will be described in detail:
In conjunction with shown in Fig. 1 and Fig. 2, the present invention includes: side plate 7, is mounted on 7 bottom of side plate using bolt group connection type
Pedestal 1, base flange plate 2 are welded on pedestal 1.
In conjunction with shown in Fig. 1, Fig. 4 and Fig. 5, the present invention has a pair of of horizontal addload hydraulic device 9 and guide rail 11, the two structure phase
Together, illustrated for one of them: 96 hydraulic cylinder bottom of horizontal addload hydraulic cylinder passes through small hinge shaft 93 and horizontal addload liquid
Cylinder pressure rocker bar bearing 95 is connected, and is positioned by roundlet pin 91；96 hydraulic stem of horizontal addload hydraulic cylinder is using included spiral shell
Rasp bar head is connect with screw thread tension-compression sensor 92, and screw thread tension-compression sensor 92 and T shape plug rocker bar bearing 94 are turned by small hinge
Axis 93 connects, and is positioned by roundlet pin 91.Guide rail bracket 11, several hinge branch of 11 longitudinal arrangement of guide rail bracket are welded on side plate
Seat screw hole 10, T shape plug rocker bar bearing 94 can move on guide rail bracket, and by screw fastening position, for adding to level
The height of carrier fluid cylinder pressure 96 is adjusted and fixes, to adapt to the flexible connecting member 3 of different height；Screw thread tension-compression sensor 92 is used
It measures and feeds back with the active force to horizontal addload hydraulic cylinder 96.
In conjunction with shown in Fig. 1 and Fig. 2, the present invention has a pair of vertical load hydraulic device 4, and the two structure is identical, with wherein one
Illustrate for a: vertical 45 bottom of loading hydraulic cylinder is installed on vertical loading hydraulic cylinder rocker bar bearing 44 by big hinge shaft 42
On, and positioned by big straight pin 41, a swing freedom degree is provided for test specimen.Pass through method at the top of vertical loading hydraulic cylinder 45
Orchid connect with flange tension-compression sensor 43, and is fastened by bolts.Flange tension-compression sensor 43 is installed on vertical loading hydraulic cylinder
Between 45 and composite joint frame 5, for measuring and feeding back to active force.
In conjunction with shown in Fig. 1 and Fig. 2, composite joint frame 5 uses truss structure, can bear compared with big load, by screw and
The fastening of the top flange of two flange tension-compression sensors, 43, two horizontal addload hydraulic cylinder rocker bar bearings 95 and flexible connecting member 3
Connection.The swing load that horizontal addload hydraulic cylinder 9 is applied passes to flexible connecting member 3 by composite joint frame 5.Composite joint
Angular transducer 6 is installed above frame 5, is used for calculated rigidity.
In conjunction with shown in Fig. 1 and Fig. 3, if having dry thickness different below the big rocker bar bearing 44 of vertical loading hydraulic cylinder 45
Height adjustment pad piece 8, the size of height adjustment pad piece 8 is identical as big 44 bottom size of rocker bar bearing, by changing adjustment height
The quantity adjusting of adjustment gasket 8 can change vertical 45 axle center height of loading hydraulic cylinder, so that vertical loading hydraulic cylinder 45 is swung
Center is identical as the swinging center of flexible connecting member 3.
In conjunction with shown in Fig. 1 and Fig. 6, flexible connecting member 3 is by flexible connecting member shell 31, flexible member shell 32, flexible member
Part 33 and tendon 34 form.Flexible connecting member shell 31 is bonded with base flange plate 2 by bolt realization；Tendon 34 and multiple
The bottom bolts hole for closing connection frame 5 is bonded by bolt；Flexible member 33 is to provide rubber element flexible, and outside has soft
Property element shell 32, flexible member shell 32 is fixed by card slot and flexible connecting member shell 31.Applied by composite joint frame 5
Load can be applied on flexible member 33 by tendon 34, to realize test to flexible connecting member 3.
The present invention can be by changing the spacing between vertical loading hydraulic cylinder 45 or horizontal addload hydraulic cylinder 96, compound company
The flange size for connecing frame 5 and base flange plate 2 can accommodate a greater variety of flexible connecting members and be tested, improve test
The interchangeability of device.
Test process of the invention includes:
1, tensile test: promotion is synced up by control system two vertical loading hydraulic cylinders 45 of control, is made compound
Connection frame 5 is risen by aequilateral thrust, and composite joint frame 5 is connected with flexible connecting member 3, acts on active force finally
In on flexible member 33, to realize tensile test, and the vertical rigidity of flexible member 33 is measured, as shown in Figure 7.
2, rocking test: two horizontal addload hydraulic cylinders 9 on side plate 7 pass through horizontal addload hydraulic cylinder with composite joint frame 5
Rocker bar bearing 95 is connected, the movement of two horizontal addload hydraulic cylinder of HYDRAULIC CONTROL SYSTEM, 9 simultaneous retractable, to produce to composite joint frame 5
It is raw it is equal push away (drawings) power, the drive flexible connecting member 3 of composite joint frame 5 swings back and forth, and pulling force can convert in flexible connecting member 3
For torque, the arm of force is distance of 33 centre of gyration of flexible member to 95 centre of gyration of horizontal addload hydraulic cylinder rocker bar bearing.It realizes
Moment of flexure test to flexible connecting member 3, and the torsion stiffness of flexible member 33 is measured, as shown in Figure 8.
3, composite test: vertical loading hydraulic cylinder 4 and horizontal addload hydraulic cylinder 9 are run simultaneously, i.e., survey in pulling force and swing
It tries while carrying out, to realize the simulation of comprehensive operating condition, as shown in Figure 9.
To sum up, the present invention it is a kind of for testing the testboard of flexible connecting member, the hydraulic cylinder being mounted on the base for pair
Flexible connecting member carries out Tensile or Compressive Loading load, and the hydraulic cylinder being mounted on side plate is connected with composite joint frame, for connecting to flexibility
Fitting carries out moment of flexure load, to realize the drawing to flexible connecting member, curved and composite test for convenience of adjustment testboard rotary shaft
The heart improves accurate testing degree, several height adjustment pad pieces is equipped with below vertical hydraulic cylinder.Flexible connect may be implemented in the present invention
Influence of the different operating conditions to flexible connecting member, and precision are simulated in the drawing of the big load wide-angle of fitting, curved and composite test
It is high, compact-sized, easy to operate, loading range is big.
Claims (4)
1. a kind of test method of flexible connecting member testboard, it is characterised in that: flexible connecting member testboard includes pedestal, two
Load hydraulic device, the flexibility being mounted on the base connect vertically by horizontal addload hydraulic device, two be symmetricly set on pedestal
Fitting, the composite joint frame being connected with flexible connecting member upper end, the side plate being mounted on the base, and the flexible connecting member is located at
Between two vertical load hydraulic devices, each vertical load hydraulic device include the drag hinge support being mounted on the base,
It is sensed with the vertical loading hydraulic cylinder of drag hinge support articulated connection, the flange tension and compression being connect with vertical loading hydraulic cylinder upper end
Device, and flange tension-compression sensor upper end and composite joint frame lower end are connected, each horizontal addload hydraulic device includes setting multiple
Close the falling hinger support on connection frame, the guide rail being arranged on side plate, the T connector rocker bar bearing being mounted in guide rail, level
Loading hydraulic cylinder, screw thread tension-compression sensor, the cylinder body of horizontal addload hydraulic cylinder and falling hinger support are hinged, horizontal addload is hydraulic
The piston rod of cylinder is connect with screw thread tension-compression sensor, and screw thread tension-compression sensor is hinged on T connector rocker bar bearing, on the guide rail
Also it is evenly arranged with the screw hole of fixed T connector rocker bar bearing position；
Tensile test: syncing up promotion by what control system controlled two vertical loading hydraulic cylinders, make composite joint frame by
Rise to aequilateral thrust, composite joint frame is connected with flexible connecting member, and active force is made to be ultimately applied to flexible member
On, to realize tensile test, and measure the vertical rigidity of flexible member；
Rocking test: control two horizontal addload hydraulic cylinder simultaneous retractables movement, to generate equal push-and-pull to composite joint frame
Power, composite joint frame drive flexible connecting member to swing back and forth, and pulling force can be converted into torque in flexible connecting member, and the arm of force is flexibility
The element centre of gyration is realized and is surveyed to the moment of flexure of flexible connecting member to the distance of the horizontal addload hydraulic cylinder rocker bar bearing centre of gyration
Examination, and measure the torsion stiffness of flexible member；
Composite test: vertical loading hydraulic cylinder and horizontal addload hydraulic cylinder are run simultaneously, i.e., pulling force and rocking test and meanwhile into
Row realizes the simulation of comprehensive operating condition.
2. a kind of test method of flexible connecting member testboard according to claim 1, it is characterised in that: the flexible connection
Part includes flexible connecting member shell, flexible member shell, flexible member and tendon, and flexible connecting member shell is fixedly mounted on pedestal
On, flexible member shell is fixed by card slot and flexible connecting member shell, and flexible member is arranged in flexible member shell, tendon
Upper end connect with the lower end of composite joint frame.
3. a kind of test method of flexible connecting member testboard according to claim 1 or claim 2, it is characterised in that: described vertical
Height adjustment pad piece is additionally provided between rocker bar bearing and pedestal.
4. a kind of test method of flexible connecting member testboard according to claim 1 or claim 2, it is characterised in that: described compound
Angular transducer is provided on connection frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148631.3A CN106769486B (en) | 2016-12-13 | 2016-12-13 | A kind of flexible connecting member testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611148631.3A CN106769486B (en) | 2016-12-13 | 2016-12-13 | A kind of flexible connecting member testboard |
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| Publication Number | Publication Date |
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| CN106769486A CN106769486A (en) | 2017-05-31 |
| CN106769486B true CN106769486B (en) | 2019-11-01 |
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| CN201611148631.3A Active CN106769486B (en) | 2016-12-13 | 2016-12-13 | A kind of flexible connecting member testboard |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060321B (en) * | 2018-06-11 | 2020-05-15 | 哈尔滨工程大学 | Flexible body fatigue performance test bench |
| CN111044271A (en) * | 2019-08-02 | 2020-04-21 | 中国海洋石油集团公司 | Hydraulic connector composite load test bed device |
| CN110441044A (en) * | 2019-08-26 | 2019-11-12 | 哈尔滨工程大学 | A kind of underwater connector locking gear on-line checking experimental bench |
| CN110718123B (en) * | 2019-10-10 | 2021-05-25 | 常州大学 | Non-metal rod piece stretch bending combined deformation experiment platform |
| CN110900863B (en) * | 2019-11-18 | 2021-06-08 | 湖北三江航天江北机械工程有限公司 | Control method for swinging moment of flexible joint of spray pipe |
| CN113075064B (en) * | 2021-02-05 | 2023-02-28 | 海洋石油工程（青岛）有限公司 | Full-size fatigue test method for tension tendon welded joint of tension leg platform |
| CN113602523B (en) * | 2021-07-21 | 2024-01-12 | 成都飞机工业（集团）有限责任公司 | Loading system for wing load calibration test and application method thereof |
| CN114166510B (en) * | 2021-10-20 | 2023-06-13 | 中国航发四川燃气涡轮研究院 | Transverse rigidity measuring device of force measuring assembly |
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| US4871282A (en) * | 1987-12-30 | 1989-10-03 | Vetco Gray Inc. | Tension leg platform tendon top connector |
| CN101233401A (en) * | 2005-07-26 | 2008-07-30 | 空中客车法国公司 | Device for testing a fuselage structure with longitudinal and circumferential curvature |
| CN201897548U (en) * | 2010-11-04 | 2011-07-13 | 镇江市宝华半挂车配件有限公司 | Automobile tension bar rubber sleeve tester |
| CN103600813A (en) * | 2013-11-08 | 2014-02-26 | 上海利策科技股份有限公司 | Ferrule type tension tendon main body connector and mounting equipment |
| CN105241647A (en) * | 2015-09-28 | 2016-01-13 | 中国海洋石油总公司 | Testing stand of external loads of underwater connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7540692B2 (en) * | 2006-06-16 | 2009-06-02 | Vetco Gray Inc. | System, method, and apparatus for locking down tendon or riser moorings |
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2016
- 2016-12-13 CN CN201611148631.3A patent/CN106769486B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4871282A (en) * | 1987-12-30 | 1989-10-03 | Vetco Gray Inc. | Tension leg platform tendon top connector |
| CN101233401A (en) * | 2005-07-26 | 2008-07-30 | 空中客车法国公司 | Device for testing a fuselage structure with longitudinal and circumferential curvature |
| CN201897548U (en) * | 2010-11-04 | 2011-07-13 | 镇江市宝华半挂车配件有限公司 | Automobile tension bar rubber sleeve tester |
| CN103600813A (en) * | 2013-11-08 | 2014-02-26 | 上海利策科技股份有限公司 | Ferrule type tension tendon main body connector and mounting equipment |
| CN105241647A (en) * | 2015-09-28 | 2016-01-13 | 中国海洋石油总公司 | Testing stand of external loads of underwater connector |
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| CN106769486A (en) | 2017-05-31 |
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