CN202433213U - Test device for dynamic load lower conduit rack platform pile-soil action - Google Patents
Test device for dynamic load lower conduit rack platform pile-soil action Download PDFInfo
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- CN202433213U CN202433213U CN201120557167XU CN201120557167U CN202433213U CN 202433213 U CN202433213 U CN 202433213U CN 201120557167X U CN201120557167X U CN 201120557167XU CN 201120557167 U CN201120557167 U CN 201120557167U CN 202433213 U CN202433213 U CN 202433213U
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Abstract
The utility model discloses a test device for dynamic load lower conduit rack platform pile-soil action, which is provided with a box body, a conduit rack model, a load bearing device, a hydraulic cylinder and a guidance sliding device, wherein the conduit rack model and the load bearing device are installed on the box body; the hydraulic cylinder is fixed on the load bearing device; the guidance sliding device is installed on the load bearing device; a detection device is installed in the box body; and the above connection is used for forming a test structure for dynamic load lower conduit rack platform pile-soil action. According to the test device for dynamic load lower conduit rack platform pile-soil action, the complex ocean environment load can be simulated, and action force is applied to the similar model of the conduit rack platform so as to more comprehensively and accurately analyze the pile-soil action relationship. Meanwhile, the conduit rack platform pile-soil action in the practical engineering can be accurately simulated, a conduit rack platform foundation base can be improved in a targeted mode according to a test result, and therefore purposes of prolonging the service life of the conduit rack platform and further guaranteeing the safety and the reliability can be achieved.
Description
Technical field
The utility model relates to test unit, relates in particular to a kind of dynamic loading downcomer body panel Pile Soil effect test unit that is used to simulate marine environment loading lower platform Pile Soil interaction relationship, belongs to field of ocean engineering.
Background technology
In the petroleum development engineering, need build various platforms such as production vessel, accommodation platform, central processing platform at sea at sea.Platform general main comprising: oceanographic engineering chunk, ocean engineering structure such as supporting construction-jacket and standpipe under water, these ocean engineering structures are generally steel construction.
Stand for a long time at jacket platform under the effect of environmental loads such as wave, sea wind, ice, cause the platform stake and the pile foundation soil body to produce interaction force.The platform stake and the pile foundation soil body can make soil body constraining force weaken after producing interaction force, and then cause the platform pile foundation loosening, influence the integral platform structural safety.Therefore, need come analysis platform stake and pile foundation soil body acting force to platform structure security implication rule through test.
At present, correlative study both domestic and external is based on the Pile Soil effect research of simulated earthquake vibration more, does not see body panel stake of relevant environment load action downcomer and pile foundation soil body Study of Interaction document as yet.Generally speaking, the Pile Soil that can carry out single pile interacts and tests, but this kind test and jacket platform stake and pile foundation soil body interaction deviation are bigger.Therefore, on the basis of certain theoretical analysis, simulation seabed operating mode is set up reasonable test methods and device, has very important significance for platform safety, reliable mining depth aqueous hydrocarbon in conjunction with the effect of experimental study jacket platform Pile Soil.
The utility model content
The fundamental purpose of the utility model is to overcome the above-mentioned shortcoming that prior art exists; And a kind of dynamic loading downcomer body panel Pile Soil effect test unit is provided; It can Simulation of Complex the marine environment load; And, can analyze the Pile Soil interactively more comprehensively, exactly through the jacket platform scale model is applied acting force; Simultaneously; Can simulate the Pile Soil effect of jacket platform in the actual engineering accurately; And it is basic to improve the jacket platform pile foundation targetedly according to test findings, improves jacket platform serviceable life and further guarantees platform security, reliability purpose to reach.
The purpose of the utility model is realized by following technical scheme:
A kind of dynamic loading downcomer body panel Pile Soil effect test unit; It is characterized in that: be provided with casing, jacket model, bogey, hydraulic cylinder, guiding carriage, wherein, jacket model and bogey are installed on the casing; Hydraulic cylinder is fixed on the bogey; The guiding carriage is installed on the bogey, pick-up unit is installed, through the above-mentioned dynamic loading downcomer body panel Pile Soil effect test structure that connects and composes in the casing.
Said casing is a tubular construction, and the soil body and water are housed in the casing, and wherein, water level is higher than the upper surface of the soil body.
Said jacket platform model is installed in the middle part of casing, and the ratio of jacket platform model and jacket prototype is: 1: 50, the main key pile of jacket platform model was inserted in the saturated soil body of casing.
Said bogey comprises: plummer, several support columns, peg, hook, slip cap, ball holdback, carrier bar, suspension rod; Wherein, carrier bar be located at plummer above, the end that carrier bar passes plummer links to each other with plummer; One end of suspension rod links to each other with plummer is vertical; The other end is installed on the carrier bar, and an end and the ball holdback of hook are fixed on the carrier bar, and the hook other end is suspended on the peg; Peg is installed on the support column, and support column is installed between carrier bar and the guide ring.
Said hydraulic cylinder is installed on the plummer, and the expansion link of hydraulic cylinder links to each other with the jacket platform model; Hydraulic cylinder is a servo hydraulic cylinder.
Said guiding carriage is provided with: guide ring, guide ring are provided with several guide-localization holes, and the bolt that is used for the support bearing platform is installed in the guide-localization hole, and guide ring is installed in the outside, casing upper end.
Said pick-up unit comprises: foil gauge, strain-type soil pressure cell, displacement transducer; Wherein, Foil gauge and strain-type soil pressure cell are fixed on the jacket platform spud leg; One end of strain-type soil pressure cell contacts with the soil body, and an end of displacement transducer is fixed on the jacket platform spud leg, and the other end is fixed on the casing.
Said slip cap is cylindrical and inner hollow, and slip cap and carrier bar connect as one.
The beneficial effect of the utility model:
1. come the marine environment load of Simulation of Complex through servo hydraulic cylinder, and come the jacket platform scale model is applied acting force through the control servo hydraulic cylinder, the utility model can more comprehensive and accurate analysis Pile Soil interactively.
2. can regulate servo hydraulic cylinder through guide ring and the different parts of jacket platform model applied acting force from 0 °, 45 °, 90 ° three directions; And then more comprehensively simulate marine environment load from different perspectives, to guarantee the accurate and true and reliable of model test.
3. regulate servo hydraulic cylinder through the height of control plummer the jacket platform model is applied the position of acting force, and then simulate the environmental load under the different sea situations, such as: the acting force when various height waves or various height sea ice etc.
4. bogey and native case are connected and are one, when servo hydraulic cylinder loads acting force, can the reacting force of servo hydraulic cylinder be delivered on the native case, and then guarantee to test and can steadily carry out when the acting force that applies is big.
Description of drawings:
Fig. 1 is the utility model perspective view.
Fig. 2 is the utility model structural front view.
Fig. 3 is the utility model structure vertical view.
Fig. 4 is the utility model structural test principle schematic.
Main label declaration among the figure:
1. casing, 2. jacket platform model, 3. hydraulic cylinder, 4. bogey, 4.1 slip caps, 4.2 pegs, 4.3 hooks, 4.4 carrier bars, 4.5 suspension rods, 4.6 plummers, 4.7 ball holdbacks, 4.8 carrier bars, 4.9 support columns, 5. guiding carriage, 5.1 guide rings, 5.2 guide-localization holes, 5.3 guide-localization bolts, the 6. soil body, 7. water, 8. soil pressure cell, 9. foil gauge, 10. displacement transducer, 11. acceleration transducers.
Embodiment
Like Fig. 1-shown in Figure 3; The utility model is provided with: casing 1, jacket platform model 2, bogey 4, hydraulic cylinder 3, guiding carriage 5; Wherein, Jacket platform model 2 and bogey 4 are installed on the casing 1, and hydraulic cylinder 3 is fixed on the bogey 4, and guiding carriage 5 is installed on the bogey 4.
The main key pile of jacket platform model 2 is inserted in the saturated soil body 6 of casing 1, and when jacket platform model 2 received external load, the spud leg and the soil body can produce the Pile Soil effect.
Bogey 4 comprises: plummer 4.6, several support columns 4.9, peg 4.2, hook 4.3, slip cap 4.1, ball holdback 4.7, carrier bar 4.8, carrier bar 4.4, suspension rod 4.5; Wherein, Carrier bar 4.8 be located at plummer 4.6 above, the end that carrier bar 4.4 passes plummer 4.6 links to each other with plummer 4.6, suspension rod 4.5 and 4.6 vertical linking to each other of plummer; The other end is installed on the carrier bar 4.8; The plummer 4.6 that is used to sling, an end and the ball holdback 4.7 of hook 4.3 are fixed on the carrier bar 4.4, link up with 4.3 other ends and are suspended on the peg 4.2; Peg 4.2 is installed on the support column 4.9, and support column 4.9 is installed between carrier bar 4.8 and the guide ring 5.1 through guide-localization bolt 5.3.Present embodiment: support column 4.9 is provided with three, also can be provided with four as required.
Slip cap 4.1 is cylindrical and inner hollow, and slip cap 4.1 adopts welding manner to connect as one with carrier bar 4.4.Slip cap 4.1 can be done the up-down sliding motion simultaneously on support column 4.9 when up-down carrier bar 4.4.
The height of plummer 4.6 is regulated by the hook 4.3 that is positioned on the carrier bar 4.4, cooperates the height of regulating plummer 4.6 through linking up with 4.3 with corresponding peg 4.2 that is:.Regulate the position of suspension rod 4.5 after highly regulating again so that plummer 4.6 keeps horizontal level.Guide ring 5.1 adopts welding manner to be connected and stationkeeping with casing 1.Through rotation support column 4.9 and carrier bar 4.8 adjustable angles.After angular setting finishes, cooperate the angle that fixes guiding carriage 5 through guide securement bolt 5.3 and guide-localization hole 5.2.
As shown in Figure 4, the test principle of the utility model: the utility model applies acting force through marine environment load such as hydraulic cylinder 3 simulation ocean waves, sea wind, ice carry to jacket platform model 2.
Pick-up unit comprises: foil gauge 9, strain-type soil pressure cell 8, displacement transducer 10; Wherein, Foil gauge 9 and strain-type soil pressure cell 8 are fixed on the jacket platform spud leg; One end of strain-type soil pressure cell 8 contacts with the soil body 6, and an end of displacement transducer 10 is fixed on the jacket platform spud leg, and the other end is fixed on the casing 1.
During test, utilize foil gauge to record the moment of flexure data of stake, the moving displacement of stake when displacement transducer records the Pile Soil interaction under the quiet dynamic loading; Earth resistance data when soil pressure cell records the Pile Soil interaction under the quiet dynamic loading; Acceleration transducer records the acceleration information of jacket platform under dynamic load effect etc., handles experimental data at last, and carries out numerical analysis with the P-Y curve method; Checking Pile Soil coupling model, and then research platform safety of structure Changing Pattern.
The above; It only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1. dynamic loading downcomer body panel Pile Soil effect test unit; It is characterized in that: be provided with casing, jacket model, bogey, hydraulic cylinder, guiding carriage, wherein, jacket model and bogey are installed on the casing; Hydraulic cylinder is fixed on the bogey; The guiding carriage is installed on the bogey, pick-up unit is installed, through the above-mentioned dynamic loading downcomer body panel Pile Soil effect test structure that connects and composes in the casing.
2. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 1, it is characterized in that: said casing is a tubular construction, and the soil body and water are housed in the casing, wherein, water level is higher than the upper surface of the soil body.
3. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 1; It is characterized in that: said jacket platform model is installed in the middle part of casing; The ratio of jacket platform model and jacket prototype is: 1: 50, the main key pile of jacket platform model was inserted in the saturated soil body of casing.
4. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 1, it is characterized in that: said bogey comprises: plummer, several support columns, peg, hook, slip cap, ball holdback, carrier bar, suspension rod, wherein; Carrier bar be located at plummer above; The end that carrier bar passes plummer links to each other with plummer, and an end of suspension rod links to each other with plummer is vertical, and the other end is installed on the carrier bar; One end and the ball holdback of hook are fixed on the carrier bar; The hook other end is suspended on the peg, and peg is installed on the support column, and support column is installed between carrier bar and the guide ring.
5. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 1, it is characterized in that: said hydraulic cylinder is installed on the plummer, and the expansion link of hydraulic cylinder links to each other with the jacket platform model; Hydraulic cylinder is a servo hydraulic cylinder.
6. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 1; It is characterized in that: said guiding carriage is provided with: guide ring; Guide ring is provided with several guide-localization holes; The bolt that is used for the support bearing platform is installed in the guide-localization hole, and guide ring is installed in the outside, casing upper end.
7. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 1; It is characterized in that: said pick-up unit comprises: foil gauge, strain-type soil pressure cell, displacement transducer; Wherein, foil gauge and strain-type soil pressure cell are fixed on the jacket platform spud leg, and an end of strain-type soil pressure cell contacts with the soil body; One end of displacement transducer is fixed on the jacket platform spud leg, and the other end is fixed on the casing.
8. dynamic loading downcomer body panel Pile Soil effect test unit according to claim 4, it is characterized in that: said slip cap is cylindrical and inner hollow, and slip cap and carrier bar connect as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120557167XU CN202433213U (en) | 2011-12-28 | 2011-12-28 | Test device for dynamic load lower conduit rack platform pile-soil action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120557167XU CN202433213U (en) | 2011-12-28 | 2011-12-28 | Test device for dynamic load lower conduit rack platform pile-soil action |
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| Publication Number | Publication Date |
|---|---|
| CN202433213U true CN202433213U (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120557167XU Expired - Fee Related CN202433213U (en) | 2011-12-28 | 2011-12-28 | Test device for dynamic load lower conduit rack platform pile-soil action |
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| CN (1) | CN202433213U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234732A (en) * | 2013-05-07 | 2013-08-07 | 清华大学 | Onboard deep sea environment simulation device for huge marine centrifugal machine under high gravity field |
| WO2021134994A1 (en) * | 2019-12-31 | 2021-07-08 | 青岛理工大学 | Device and method for simulating dynamic load on pile top |
| CN113092060A (en) * | 2021-04-01 | 2021-07-09 | 大连理工大学 | Experimental device and method for ocean platform stress simulation test |
| CN115200815A (en) * | 2022-05-31 | 2022-10-18 | 天津城建大学 | Dynamic response testing device and testing method for seabed suction type three-barrel foundation |
-
2011
- 2011-12-28 CN CN201120557167XU patent/CN202433213U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234732A (en) * | 2013-05-07 | 2013-08-07 | 清华大学 | Onboard deep sea environment simulation device for huge marine centrifugal machine under high gravity field |
| CN103234732B (en) * | 2013-05-07 | 2015-06-24 | 清华大学 | Onboard deep sea environment simulation device for huge marine centrifugal machine under high gravity field |
| WO2021134994A1 (en) * | 2019-12-31 | 2021-07-08 | 青岛理工大学 | Device and method for simulating dynamic load on pile top |
| CN113092060A (en) * | 2021-04-01 | 2021-07-09 | 大连理工大学 | Experimental device and method for ocean platform stress simulation test |
| CN113092060B (en) * | 2021-04-01 | 2022-02-22 | 大连理工大学 | Experimental device and method for ocean platform stress simulation test |
| CN115200815A (en) * | 2022-05-31 | 2022-10-18 | 天津城建大学 | Dynamic response testing device and testing method for seabed suction type three-barrel foundation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20181228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |