CN206960241U - Umbilical cables stretch bending mechanics composite test device - Google Patents
Umbilical cables stretch bending mechanics composite test device Download PDFInfo
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- CN206960241U CN206960241U CN201720412387.0U CN201720412387U CN206960241U CN 206960241 U CN206960241 U CN 206960241U CN 201720412387 U CN201720412387 U CN 201720412387U CN 206960241 U CN206960241 U CN 206960241U
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- swivel joint
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Abstract
Marine engineering equipment subsea production system detection technique field is the utility model is related to, more particularly to a kind of device that can be realized stretching, stretch bending, bending a variety of fatigue states and umbilical cables are carried out with fatigue test.It includes support frame, the stretching grasping system installed in support frame top, the bending grasping system installed in support frame bottom and comes self stretch grasping system and the controller of the test data of bending grasping system to collect processing.Stretching test method is combined by the utility model with bend test method, a variety of fatigue tests such as stretching, bending, stretch bending can be achieved on a testing machine using three actuator and bending loading device, test efficiency is effectively increased, has saved experimentation cost.
Description
Technical field
Marine engineering equipment subsea production system detection technique field is the utility model is related to, more particularly to one kind can be real
Now stretching, stretch bending, bend the device that a variety of fatigue states carry out fatigue test to umbilical cables.
Background technology
Subsea production system is the important device of exploitation of offshore oil and gas, and with the implementation of China's "Oceanic" strategy, the system is closed
The production domesticization and stable operation of key member receive much concern.Umbilical cables as connection marine float and undersea device critical component,
Play an important roll in electric power, hydraulic power, chemical reagent, signal transmission etc., but its production domesticization is faced with various technologies
The shortage of bottleneck, wherein detection means and detection technique, it is to restrict one of an important factor for umbilical cables domesticize.Umbilical cables at present
Analysis of Fatigue-life is still in the exploratory stage, it is necessary to research and develop a kind of experimental rig, simulates the actual condition of umbilical cables, is domestic navel
Use with cable provides fatigue life foundation.
On umbilical cables composite test device, the patent of invention of a current only Application No. 201610197048.5,
The device can realize the stretching of umbilical cables, bending, and it is achieved in that is stretched using actuator to umbilical cables, end start
Device is bent, and can effectively simulate the stretch bending deformation condition that end moment of flexure is brought, but the testing machine function is single, is fitted
It is small with scope, it is impossible to simulate a variety of stressing conditions.
The content of the invention
The technical problems to be solved in the utility model be how overcome the deficiencies in the prior art, there is provided a kind of suitable umbilical cord
Cable, flexible pipe can provide stretching, stretch bending, three-point bending, the experimental rig of a variety of trystates of four-point bending, i.e., a kind of
Umbilical cables stretch bending mechanics composite test device.
The technical scheme that the utility model uses to achieve the above object is：A kind of compound examination of umbilical cables stretch bending mechanics
Experiment device, including support frame, the stretching grasping system installed in support frame top, the bending installed in support frame bottom
Grasping system and to collect processing come self stretch grasping system with bending grasping system test data controller.
Further, the support frame includes support post and the support beam being erected on support post, support post
Two rows are symmetrical arranged into support beam, wherein support post lower end is connected with support base；
The stretching grasping system includes yaw, stretching end swivel joint, mobile terminal swivel joint, umbilical cord cable clamp, institute
State stretching end swivel joint and yaw one end is connected by pin with the head of mobile terminal swivel joint so that the rotation of stretching end connects
Head and mobile terminal swivel joint realize oscillating function, and are provided with angular displacement sensor on the swivel joint of mobile terminal, described
The other end of yaw is also fixedly connected with umbilical cord cable clamp；
The bending grasping system includes moment of flexure loading actuator, moving beam and push rod, wherein moment of flexure loading is made
Dynamic device is provided with two groups, and symmetrical vertical placement, and the both ends of the moving beam are connected in the moment of flexure loading actuator, and are moved
Push rod is also connected with by the form of chute and slide rail on dynamic crossbeam so that push rod can be realized by external force on crossbeam and slided
Dynamic, to adapt to different test objectives, the top of push rod is provided with cylindric fixture.
Further, symmetrically arranged support beam forms the drawing trajectory of the stretching grasping system, stretches grasping system
Between two groups of support beams, wherein, the mobile terminal swivel joint and stretching end swivel joint are separately mounted to described
The left and right sides of support beam, described stretch are fixedly connected with stretching measuring mechanism, stretch measuring mechanism bag on the swivel joint of end
Containing the magnetic hysteresis displacement transducer being fixed by screws in support beam, pass through flange and spiral shell in the afterbody of stretching end swivel joint
Nail is connected with stretching actuator, and the magnetic hysteresis displacement transducer being displaced through in stretching measuring mechanism for stretching actuator is surveyed
Amount, the shell for stretching actuator are bolted between two groups of support beams, and its afterbody stretches out what support beam was formed
Outside region；
The support base includes three groups of H types of two groups of symmetrically arranged base cross members and fixed base cross members relative position
Steel, and ground is fixed on by built-in fitting, the support post is fixed in base cross members.
Further, the support beam includes mobile section and canned paragraph, and the length of mobile section crossbeam is more than canned paragraph crossbeam
Length, between be bolted to connection, the crossbeam of mobile section uses channel-section steel, and the groove of two groups of mobile section crossbeams relative is pacified
Dress, some pin-and-holes are offered on two groove faces up and down in groove, the mobile terminal swivel joint is arranged on the groove of support beam
It is interior, and fixed and position change is realized by bearing pin and pin-and-hole.
Further, it is used to place the moment of flexure loading actuator at least provided with two on the ground between the support base
Pre-manufactured hole, therefore bend grasping system positioned at symmetrically arranged support frame between, and with it is described stretch grasping system above and below
It is corresponding.
Further, it has been connected between described support post and the support base, between support post and support beam
To the reinforcing pole of reinforcement effect.
Further, the lateral surface of described support beam be provided be horizontally mounted it is with guardrail, supporting operator
The passage of member's walking, the side of passage are also equipped with ladder stand, and the afterbody of ladder stand is fixed on described support base.
Stretching test method is combined by the utility model with bend test method, is loaded using three actuator and bending
A variety of fatigue tests such as stretching, bending (three-point bending, four-point bending), stretch bending can be achieved in device on a testing machine,
Obstacle existing for effectively overcoming existing experimental provision, improves test efficiency, has saved experimentation cost.
Brief description of the drawings
Fig. 1 the utility model overall structure diagrams；
Fig. 2 the utility model side views；
Fig. 3 the utility model bottom supporting holder structure figures；
Fig. 4 the utility model support beam connection diagrams；
Fig. 5 the utility model cylindrical shape clamp structure schematic diagrames；
Fig. 6 the utility model push rod and moving beam connection diagram；
Fig. 7 the utility model mobile terminal swivel joint connection diagram；
Fig. 8 the utility model stretches end swivel joint connection diagram.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：A kind of umbilical cables stretch bending mechanics composite test device, including support frame 1, installed in support
The stretching grasping system 2 on the top of framework 1, the bending grasping system 3 installed in the bottom of support frame 1 and come to collect processing
Stretch the controller of test data of the grasping system 2 with bending grasping system 3.
Support frame 1 includes support post 11 and the support beam 12 being erected on support post, support post 11 and branch
Support crossbeam 12 is symmetrical arranged into two rows, and the wherein lower end of support post 11 is connected with support base 13；Symmetrically arranged support beam 12
The drawing trajectory of stretching grasping system 2 is formed, stretching grasping system 2 is arranged between two groups of support beams 12, and support base 13 wraps
Three groups of H profile steels of two groups of symmetrically arranged base cross members 131 and the fixed relative position of base cross members 131 are included, and by with spiral shell
The bar built-in fitting of bolt is fixed on ground, and carry out it is secondary pour further fixation, support post 11 is fixed on base cross members 131
On.
Wherein, stretching grasping system 2 includes yaw 21, stretching end swivel joint 22, mobile terminal swivel joint 23, umbilical cables
Fixture 24, stretching end swivel joint 22 are connected one end of yaw 21 by pin with the head of mobile terminal swivel joint 23, made
End swivel joint must be stretched and mobile terminal swivel joint realizes oscillating function, and angle is installed on mobile terminal swivel joint 23
Displacement transducer, the other end of yaw are also fixedly connected with umbilical cord cable clamp 24, and wherein umbilical cord cable clamp 24 uses existing navel
Band cable clip holds test instrument, and mobile terminal swivel joint 23 and stretching end swivel joint 22 are separately mounted to the left and right of support beam 12
Both sides, stretch and stretching measuring mechanism is fixedly connected with end swivel joint 22, stretching measuring mechanism, which includes, to be fixed by screws in
Magnetic hysteresis displacement transducer in support beam, there is stretching to make by flange and mode connects for screw in the afterbody of stretching end swivel joint 22
Dynamic device 221, its displacement information are measured by stretching measuring mechanism and feed back to controller, i.e., included by stretching measuring mechanism
Magnetic hysteresis displacement transducer sensor carry out displacement measurement, stretching actuator 221 head be also equipped with force snesor, to survey
Stress feedback of the information to controller, the shell of stretching actuator 221 when measuring pulling action is bolted on two groups of supports
Between crossbeam 12, and its afterbody is stretched out outside the region that support beam 12 is formed；Support beam 12 includes mobile section and canned paragraph, moves
The length of dynamic section crossbeam is more than the length of canned paragraph crossbeam, between be bolted to connection, the crossbeam of mobile section uses channel-section steel,
And the groove of two groups of mobile section crossbeams is mounted opposite, some pin-and-holes 121, mobile terminal rotation are offered on two groove faces up and down in groove
Adapter 23 is arranged in the groove of support beam 12, and realizes fixed and position change by bearing pin and pin-and-hole 121, with suitable
Answer the length of umbilical cables (sample).
In grasping system 2 is stretched, yaw 21 can rotate with umbilical cables flexural deformation, and mobile terminal rotates
Joint 23 transfers data to controller progress in time using anglec of rotation during angular displacement sensor measurement umbilical cables bending
Information processing；Stretching end swivel joint 22 realizes the movement of the canned paragraph in support beam 12, stretching by stretching measuring mechanism
The magnetostrictive displacement sensor installed in measuring mechanism, to perceive the displacement of stretching end swivel joint (substantially umbilical cables
The tensile elongation of sample).
Bending grasping system 3 includes moment of flexure loading actuator 31, moving beam 32 and push rod 33, wherein moment of flexure loading start
Device 31 is provided with two groups, and symmetrical vertical placement, and the both ends of moving beam are connected in moment of flexure loading actuator, and moving beam 32
On push rod 33 is also connected with by the form of chute and slide rail so that push rod 33 can be realized on moving beam 32 by external force
Slide, to adapt to different test objectives, as shown in fig. 6, the bottom of push rod 33 is provided with chute 332, moving beam 32 uses work
Word die designs, but its top margin is the slide rail 321 being adapted with chute, and the top of push rod 33 is provided with cylindric fixture 331, such as
Shown in Fig. 5, cylindric fixture 333 includes two semi arches being bolted to connection in outer ledge, one of which circular arc
Lateral surface is provided with the connecting rod 334 of integrative-structure, and is thus connected bar and is connected by ring flange with push rod top；In support base
Ground between 13 is provided with two pre-manufactured holes 311 for being used to place moment of flexure loading actuator, therefore bends grasping system 3 and be located at
Between symmetrically arranged support frame 1, and with it is described stretching grasping system about 2 it is corresponding；Pre-manufactured hole 311 is located at support base 13
On lateral symmetry axis, the position of two pre-manufactured holes 311 is at the left and right ends 1/3 of base cross members 131, and the depth of pre-manufactured hole 311
More than the length of moment of flexure loading actuator 31.
Moment of flexure loads action of the actuator 31 by itself, realizes moving up and down for moving beam 32 and push rod 33, in it
Force value (the substantially umbilical cables that the force snesor and displacement transducer of portion's installation measure the displacement of moving beam 32 and be subject in real time
The stress of sample and because of bending change caused by stress).
Between support post 11 and support base 13, it is connected between support post 11 and support beam 12 and plays reinforcement effect
Reinforcing pole 14, provide support for stability of the present utility model.
The lateral surface of support beam 12 be provided be horizontally mounted with guardrail, to support operating personnel walk passage
122, the lower end of passage is connected with reinforced liner 123, and its side is also equipped with ladder stand 124, and the afterbody of ladder stand 124 is fixed on
On described support base 13, operator enters passage 122 by ladder stand 124, and then implements sample correlation on passage 122
Necessity operation.Tensile fatigue test, three-point bending fatigue test, four-point bending fatigue test, stretch bending fatigue test.
The utility model, realize that the method for above-mentioned function and operating method are as follows：
Tensile fatigue test：Umbilical cables are fixed in umbilical cord cable clamp, and umbilical cord cable clamp can according to experiment and structure maximum
10 meters long test specimen detection is realized, is then turned on stretching actuator, pretension umbilical cables, the loading parameter for stretching actuator, point is set
Hit testing machine control system start button.To the end of experiment, experimental data is read from testing machine controller.
Three-point bending fatigue test：Adjust moment of flexure loading actuator push rod height so that cartridge clamp, umbilical cord on push rod
Cable clamp is coaxial, and umbilical cables are fixed in umbilical cord cable clamp through the cartridge clamp on push rod, opens stretching actuator, pretension navel
Band cable, sets moment of flexure to load the loading parameter of actuator, clicks on testing machine controller start button.To the end of experiment, from
Experimental data is read in testing machine control system.
Four-point bending fatigue test：Two push rods are arranged on moving beam, adjustment moment of flexure loading actuator push rod is high
Degree so that the cartridge clamp, umbilical cord cable clamp on push rod are coaxial, and umbilical cables are fixed on navel through the cartridge clamp on two push rods
In band cable clamp, stretching actuator is opened, pretension umbilical cables, the spacing of two push rods is adjusted, sets moment of flexure to load actuator
Parameter is loaded, clicks on testing machine control system start button.To the end of experiment, experiment is read from testing machine control system
Data.
Stretch bending fatigue test：Adjust moment of flexure loading actuator push rod height so that cartridge clamp, umbilical cord on push rod
Cable clamp is coaxial, and umbilical cables are fixed in umbilical cord cable clamp through the cartridge clamp on push rod, opens stretching actuator, pretension navel
Band cable, the position of push rod is adjusted, set moment of flexure to load actuator, stretch the loading parameter of actuator, click on testing machine control system
System start button.To the end of experiment, experimental data is read from testing machine control system.
For above-described embodiment simply to illustrate that technical concepts and features of the present utility model, the purpose is to be to allow this area
Interior those of ordinary skill can understand content of the present utility model and implement according to this, can not be limited with this of the present utility model
Protection domain.Every equivalent change or modification according to made by the essence of the utility model content, it should all cover in this reality
With in new protection domain.
Claims (7)
- A kind of 1. umbilical cables stretch bending mechanics composite test device, it is characterised in that：Including support frame, installed in carriage The stretching grasping system on frame top, the bending grasping system installed in support frame bottom and carry out self stretch folder to collect processing Hold the controller of test data of the system with bending grasping system.
- A kind of 2. umbilical cables stretch bending mechanics composite test device according to claim 1, it is characterised in that：The branch Support frame frame includes support post and the support beam being erected on support post, and support post and support beam are symmetrical arranged into two Row, wherein support post lower end is connected with support base；The stretching grasping system includes yaw, stretching end swivel joint, mobile terminal swivel joint, umbilical cord cable clamp, the drawing Stretch end swivel joint yaw one end connect by pin with the head of mobile terminal swivel joint so that stretching end swivel joint with Mobile terminal swivel joint realizes oscillating function, and angular displacement sensor is provided with the swivel joint of mobile terminal, the yaw The other end be also fixedly connected with umbilical cord cable clamp；The bending grasping system includes moment of flexure loading actuator, moving beam and push rod, wherein the moment of flexure loads actuator Provided with two groups, and symmetrical vertical placement, the both ends of the moving beam are connected in the moment of flexure loading actuator, and move horizontal stroke Push rod is also connected with by the form of chute and slide rail on beam so that push rod can realize slip on crossbeam by external force, with Different test objectives is adapted to, the top of push rod is provided with cylindric fixture.
- A kind of 3. umbilical cables stretch bending mechanics composite test device according to claim 2, it is characterised in that：Symmetrically set The support beam put forms the drawing trajectory of the stretching grasping system, stretching grasping system be arranged on two groups of support beams it Between, wherein, the mobile terminal swivel joint is separately mounted to the left and right sides of the support beam, institute with stretching end swivel joint State and stretching measuring mechanism is fixedly connected with stretching end swivel joint, stretching measuring mechanism, which includes, is fixed by screws in support horizontal stroke Magnetic hysteresis displacement transducer on beam, there is stretching actuator by flange and mode connects for screw in the afterbody of stretching end swivel joint, draw The magnetic hysteresis displacement transducer being displaced through in stretching measuring mechanism for stretching actuator measures, and the shell for stretching actuator passes through It is bolted between two groups of support beams, and its afterbody is stretched out outside the region that support beam is formed；The support base includes three groups of H profile steels of two groups of symmetrically arranged base cross members and fixed base cross members relative position, and Ground is fixed on by built-in fitting, the support post is fixed in base cross members.
- A kind of 4. umbilical cables stretch bending mechanics composite test device according to claim 3, it is characterised in that：The branch Support crossbeam includes mobile section and canned paragraph, the length of mobile section crossbeam more than canned paragraph crossbeam length, between consolidated by bolt Fixed connection, the crossbeam of mobile section uses channel-section steel, and the groove of two groups of mobile section crossbeams is mounted opposite, in two groove face up and down of groove On offer some pin-and-holes, the mobile terminal swivel joint is arranged in the groove of support beam, and passes through bearing pin and pin-and-hole is real Now fixed and position change.
- A kind of 5. umbilical cables stretch bending mechanics composite test device according to claim 3, it is characterised in that：Described Ground between support base is provided with two pre-manufactured holes for being used to place the moment of flexure loading actuator, therefore bends grasping system Between symmetrically arranged support frame, and it is corresponding up and down with the stretching grasping system.
- A kind of 6. umbilical cables stretch bending mechanics composite test device according to claim 1 or 2 or 5, it is characterised in that： The reinforcing for playing reinforcement effect is connected between described support post and the support base, between support post and support beam Pole.
- 7. a kind of umbilical cables stretch bending mechanics composite test device according to claim 1 or 2 or 3 or 4 or 5, it is special Sign is：The lateral surface of described support beam be provided be horizontally mounted with guardrail, to support operating personnel walk Passage, the side of passage are also equipped with ladder stand, and the afterbody of ladder stand is fixed on described support base.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720412387.0U CN206960241U (en) | 2017-04-19 | 2017-04-19 | Umbilical cables stretch bending mechanics composite test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720412387.0U CN206960241U (en) | 2017-04-19 | 2017-04-19 | Umbilical cables stretch bending mechanics composite test device |
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| CN206960241U true CN206960241U (en) | 2018-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461178A (en) * | 2020-11-16 | 2021-03-09 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
-
2017
- 2017-04-19 CN CN201720412387.0U patent/CN206960241U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461178A (en) * | 2020-11-16 | 2021-03-09 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
| CN112461178B (en) * | 2020-11-16 | 2022-02-01 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Continuous curvature generating device |
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