CN206876387U - A kind of simulation test device for measuring basal disc and falling with soil interaction - Google Patents
A kind of simulation test device for measuring basal disc and falling with soil interaction Download PDFInfo
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- CN206876387U CN206876387U CN201720647968.2U CN201720647968U CN206876387U CN 206876387 U CN206876387 U CN 206876387U CN 201720647968 U CN201720647968 U CN 201720647968U CN 206876387 U CN206876387 U CN 206876387U
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- basal disc
- sliding block
- soil
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- native case
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Abstract
The utility model discloses a kind of simulation test device for measuring basal disc and falling with soil interaction, support is symmetrical arranged longitudinal slide rail, each slide rail bottom sets block, each slide rail sets sliding block, sliding block provides power by overhead extension rope and moved up and down along slide rail, each sliding block is connected by sliding block limiter with basal disc model, and sliding block limiter sidewall horizontal sets locater plate；Native case is set immediately below basal disc model, lay lower gravel layer, drainpipe, upper gravel layer, geotextiles and experiment soil layer with being connected inside native case inside native case successively from the bottom to top, native case tank wall sets the drainpipe outlet being connected with draining pipe end, sensor is buried in experiment soil layer, native box top sets displacement transducer.Sink during the utility model simulation basal disc actual installation the process that contact with the soil body, and related data can be measured and carry out follow-up study, have the characteristics that it is reasonable in design, can carry out it is multigroup test, test accuracy is higher and measures data facilitates.
Description
Technical field
Offshore engineering structure modeling techniques field is the utility model is related to, is to be related to a kind of measurement in particular
The simulation test device that basal disc falls with soil interaction.
Background technology
With the exhaustion of land fossil energy, people to the attention degree and exploitation dynamics of Marine oil and gas resource also increasingly
By force.Blue water is gradually moved towards in marine petroleum development, and ocean engineering needs the engineering equipment and structure progress to being used in deep-sea
Research and improvement.Basal disc is a kind of visual plant in ocean engineering exploitation.Basal disc is fixed on seabed, is one pre- to protect
Drilling well mouth, guide platform are in place and ensure the steel structure of the correct tieback of well head, during drilling process and oil-gas mining
Serve important function.In order to ensure basal disc in installation process in place with the reliability after stability and installation, it is necessary to
Interaction to the drown oneself process and basal disc and deep-sea ocean soil of basal disc is studied.
It is a kind of usual way that the interaction of lower backwardness of being drowned oneself using experimental rig to basal disc and the soil body, which carries out research,.
Need to make basal disc fall into native case from certain altitude in experiment, and the posture and speed for controlling it to fall, to simulate basal disc reality
Drowned oneself in installation process state.Therefore an experimental rig simulation dropping process is needed, and can be read after dropping process terminates
Data are for follow-up study needed for taking.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, there is provided one kind measurement basal disc falls and native phase
The simulation test device of interaction, the process that is contacted with the soil body of sinking during basal disc actual installation is simulated, and phase can be measured
Close data carry out follow-up study, have it is reasonable in design, can carry out it is multigroup experiment, test accuracy it is higher and measure data facility
The features such as.
The purpose of this utility model is achieved through the following technical solutions.
A kind of simulation test device for measuring basal disc and falling with soil interaction of the present utility model, including support, it is described
Mid-stent is symmetrically arranged with longitudinal slide rail, and each slide rail bottom is provided with block, and each slide rail is respectively provided with
There is sliding block, the pull rope that the sliding block is connected by top provides power and moved up and down along slide rail, and each sliding block is logical
Cross sliding block limiter with basal disc model to be connected, the sliding block limiter sidewall horizontal is provided with locater plate；
Be provided with native case immediately below the basal disc model, be equipped with successively from the bottom to top inside the native case lower gravel layer,
With the drainpipe, upper gravel layer, geotextiles and the experiment soil layer that are connected inside native case, the native case tank wall is provided with and drainpipe
The drainpipe outlet of termination connection, the experiment are provided with displacement sensing with sensor, the native box top is embedded with soil layer
Device.
The sliding block limiter includes the open top steel cylinder being connected on basal disc model, and longitudinal direction is provided with the steel cylinder
Mobile straight-bar, the straight-bar bottom are welded with steel plate, are connected at the top of the straight-bar with sliding block；The size of the steel plate is more than
Hole size at the top of steel cylinder, and less than the internal diameter of steel cylinder；The diameter of the straight-bar is less than the hole size at the top of steel cylinder.
The sensor includes pore water pressure sensor and soil pressure sensor.
The draining pipe dish is located at lower gravel layer top, and the draining tube wall is provided with intercommunicating pore, the intercommunicating pore
Diameter should be respectively less than the diameter of gravel layer and lower gravel layer cobble-stone.
The horizontally disposed supporting plate having for fixed displacement sensor in the native box top side, institute's displacement sensors position
In the underface of locater plate.
The support is arranged to hollow structure, and the cradle top is provided with the pulley pulled for pull rope.
Described pull rope one end is connected with sliding block, and the other end is connected with hoist engine.
Compared with prior art, beneficial effect caused by the technical solution of the utility model is：
(1) in the utility model, slide rail and pull rope make it that basal disc model height of drop is easy to adjust, are easy to practical operation
It is middle to carry out multigroup experiment extraction data；
(2) native case is provided with and by gravel, drainpipe, geotextiles forms drainage system in the utility model, can by water filling and
The saturation degree of draining regulation experiment soil；
(3) use what is be made up of displacement transducer, pore water pressure sensor and soil pressure sensor in the utility model
The measurement of data, passes through the displacement transducer on native case and the survey in steel cylinder side wall needed for measuring system progress
Measurement displacement away from plate high precision, come solve it is long away from the high-precision displacement transducer of high frequency sound it is expensive be not easy to buy lack
Point；
(4) the utility model improves test accuracy by sliding block limiter and block, eliminate basal disc model fall with
Interference of the sliding block to be fallen when experiment is contacted with each other with soil layer to basal disc model.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference:1 pull rope；2 slide rails；3 sliding blocks；4 supports；5 sliding block limiters；501 steel cylinders；502 straight-bars；503 steel
Plate；6 displacement transducers；7 locater plates；8 basal disc models；9 sensors；10 geotextiles；11 times gravel layers；Gravel layer on 12；13 rows
Water pipe；14 drainpipe outlets；15 native casees；16 experiment soil layers；17 supporting plates；18 pulleys；19 blocks
Embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of simulation test device for measuring basal disc and falling with soil interaction of the present utility model, including
Support 4, the support 4 are steel support, are arranged to hollow structure, support are provided for other equipment structure, according to basal disc model 8
The size and strut quantity of support 4 are formulated in the requirement of height of drop, and support 4 need to be placed in ground grading, to ensure basal disc mould
Type 8 can fall vertically.The middle part of support 4 is symmetrically arranged with longitudinal slide rail 2, and each bottom of slide rail 2 is provided with
Block 19, the block 19 are securable on support 4, and anti-limited slip block 3, which falls, departs from slide rail 2.It is respectively provided with each slide rail 2
There is sliding block 3, in sliding block 3 with enabling basal disc model 8 vertically above carry or fall under the collective effect of slide rail 2, the sliding block 3 is equal
The pull rope 1 connected by top provides power, and the top of support 4 is provided with the pulley 18 pulled for pull rope 1.It is described
Pull rope 1 is common rope or steel wire rope, and it is to lift basal disc model 8 to the lower drop height of experiment needs by pulley 18 that it, which is acted on,
Degree, according to the optional material of different types of pull rope 1 that varies in weight of basal disc model 8 used, can also match somebody with somebody in the end of pull rope 1
Standby hoist engine replaces men hoisting basal disc model 8.
Each bottom of sliding block 3 is respectively connected with sliding block limiter 5, is connected by sliding block limiter 5 with basal disc model 8
Connect.The sliding block limiter 5 includes the open top steel cylinder 501 being connected on basal disc model 8, is provided with the steel cylinder 501
Longitudinally movable straight-bar 502, the bottom of straight-bar 502 are welded with small steel plate 503, and the top of straight-bar 502 is connected with sliding block 3
Connect.The size of the small steel plate 503 need to be more than the hole size at the top of steel cylinder 501, and less than the internal diameter of steel cylinder 501, the straight-bar
501 diameter need to be less than the hole size at the top of steel cylinder 501.One of sidewall horizontal of sliding block limiter 5 is provided with locater plate 7,
Locater plate 7 horizontal can be welded in the side wall of steel cylinder 501.
Native case 15 is provided with immediately below the basal disc model 8, native case 15 is placed to place the uncovered steel tank of experiment soil
In in ground grading.Be equipped with successively from the bottom to top inside the native case 15 lower gravel layer 11, drainpipe 13, upper gravel layer 12,
Soil layer 16 is used in geotextiles 10 and experiment.Gravel packing in the lower gravel layer 11 and upper gravel layer 12 answer it is moderate with ensure reach
Draining and the purpose of support top experiment soil layer 16.The disk of drainpipe 13 is located at the lower top of gravel layer 12, the drainpipe
13 be pvc pipe, and caliber native size of case 15 used in is chosen, opens some small intercommunicating pores on tube wall, draining is realized by intercommunicating pore
Pipe 13 and the connection inside native case 15.The tank wall of native case 15 offers drainpipe outlet 14, the drainpipe outlet 14 and row
The termination of water pipe 13 connects, and can drain into water body in drainpipe 13 outside native case 15 through drainpipe outlet 14.The geotextiles 10 are protected
Confirmatory test can be arranged down smoothly with the water in soil layer 16, while soil body discord lower section gravel is directly contacted, and be used to change experiment
Soil provides facility.The experiment is with being embedded with sensor 9, including high frequency dynamic pore water pressure sensor and high frequency in soil layer 16
Dynamic soil pressure sensor, in 8 times required data for falling behind measurement experiment soil of basal disc model.The top side water of native case 15
It is flat to be provided with supporting plate 17, the displacement transducer 6 of short distance High-precision high-frequency rate, the displacement sensing are fixed with supporting plate 17
Device 6 is located at the underface of locater plate 7, realize measurement its distance between with locater plate 7 and the whereabouts of basal disc model 8 time, enter
And calculate the falling speed of basal disc model 8.
Concrete operation step when the utility model uses is as follows：
Step 1, native case 15 is positioned in ground grading, lay successively from the bottom to top lower gravel layer 11, drainpipe 13,
Upper gravel layer 12 and geotextiles 10, the wherein termination of drainpipe 13 are connected with drainpipe outlet 14, and close drainpipe outlet 14.
Step 2, continues to lay experiment soil layer 16 in geotextiles 10, and by pore water pressure sensor and soil pressure
Sensor is embedded in wherein, fixes displacement transducer 16, and support 4 is positioned over into the native top of case 15, and installs remaining equipment, will
Locater plate 7 and displacement transducer 6 align.
Step 3, the water filling into native case 15, experiment soil layer 16 is reached saturation concretion state after standing a period of time, beat
Begin to rehearse pipe outlet 14, and unnecessary water enters in drainpipe 13 through intercommunicating pore in native case 15, then smooth through drainpipe outlet 14
Discharge, close drainpipe outlet 14.
Step 4, start displacement transducer 6, pore water pressure sensor and soil pressure sensor, by pull rope 1, slide
Rail 2 and sliding block 3, after lifting basal disc model 8 to required height release make its whereabouts, read displacement transducer 6, hole after it is stable
The data of gap water pressure sensor and soil pressure sensor.Wherein, when lifting basal disc model 8, small steel plate 503 and steel cylinder 501
Top inner surface contact, drives basal disc model 8 to move upwards；During whereabouts, sliding block limiter 5 and basal disc model 8 together fall, sliding
Small steel plate 503 and the top inner surface of steel cylinder 501 in block limiter 5 are contacted but not stressed, and basal disc model 8 falls into experiment soil layer
Stop motion after in 16, the steel cylinder 501 in sliding block limiter 5 stop with basal disc model 8, and remainder continues to fall until sliding block
3 run into block 19 after stop, the suspension of small steel plate 503 with basal disc model 8 with inside steel cylinder 501, not contacting, to exclude to slide after stopping
The disturbance when motion of block 3 stops to basal disc model 8, improves test accuracy.
Step 5, after completing battery of tests, basal disc model 8 is lifted, repeat the above steps three and step 4, you can carry out
Test next time.
Although function of the present utility model and the course of work are described above in conjunction with accompanying drawing, the utility model is simultaneously
Above-mentioned concrete function and the course of work are not limited to, above-mentioned embodiment is only schematical, rather than limitation
Property, one of ordinary skill in the art, will not departing from the utility model aims and right under enlightenment of the present utility model
Ask under protected ambit, many forms can also be made, belonged within protection of the present utility model.
Claims (7)
1. a kind of simulation test device for measuring basal disc and falling with soil interaction, including support (4), it is characterised in that described
Longitudinal slide rail (2) is symmetrically arranged with the middle part of support (4), each slide rail (2) bottom is provided with block (19), Mei Gesuo
State slide rail (2) and be provided with sliding block (3), the pull rope (1) that the sliding block (3) is connected by top provides power along slide rail
(2) move up and down, each sliding block (3) is connected by sliding block limiter (5) with basal disc model (8), the sliding block limit
Position device (5) sidewall horizontal is provided with locater plate (7)；
Native case (15) is provided with immediately below the basal disc model (8), is equipped with down successively from the bottom to top inside the native case (15)
Gravel layer (11), drainpipe (13), upper gravel layer (12), geotextiles (10) and experiment soil layer with being connected inside native case (15)
(16), native case (15) tank wall is provided with the drainpipe outlet (14) being connected with drainpipe (13) termination, the experiment soil
Sensor (9) is embedded with layer (16), displacement transducer (6) is provided with the top of the native case (15).
2. the simulation test device that measurement basal disc according to claim 1 falls with soil interaction, it is characterised in that institute
The open top steel cylinder (501) that sliding block limiter (5) includes being connected on basal disc model (8) is stated, is set in the steel cylinder (501)
There is the straight-bar (502) vertically moved, straight-bar (502) bottom is welded with steel plate (503), and straight-bar (502) top is with sliding
Block (3) is connected；The size of the steel plate (503) is more than the hole size at the top of steel cylinder (501), and interior less than steel cylinder (501)
Footpath；The diameter of the straight-bar (502) is less than the hole size at the top of steel cylinder (501).
3. the simulation test device that measurement basal disc according to claim 1 falls with soil interaction, it is characterised in that institute
Stating sensor (9) includes pore water pressure sensor and soil pressure sensor.
4. the simulation test device that measurement basal disc according to claim 1 falls with soil interaction, it is characterised in that institute
State drainpipe (13) disk and be located at lower gravel layer (11) top, drainpipe (13) tube wall is provided with intercommunicating pore, the intercommunicating pore
Diameter should be respectively less than the diameter of gravel layer (12) and lower gravel layer (11) cobble-stone.
5. the simulation test device that measurement basal disc according to claim 1 falls with soil interaction, it is characterised in that institute
State the horizontally disposed supporting plate (17) having for fixed displacement sensor (6) of native case (15) top side, institute's displacement sensors
(6) it is located at the underface of locater plate (7).
6. the simulation test device that measurement basal disc according to claim 1 falls with soil interaction, it is characterised in that institute
State support (4) and be arranged to hollow structure, the pulley (18) pulled for pull rope (1) is provided with the top of the support (4).
7. the simulation test device that measurement basal disc according to claim 1 falls with soil interaction, it is characterised in that institute
State pull rope (1) one end to be connected with sliding block (3), the other end is connected with hoist engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647968.2U CN206876387U (en) | 2017-06-06 | 2017-06-06 | A kind of simulation test device for measuring basal disc and falling with soil interaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647968.2U CN206876387U (en) | 2017-06-06 | 2017-06-06 | A kind of simulation test device for measuring basal disc and falling with soil interaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206876387U true CN206876387U (en) | 2018-01-12 |
Family
ID=61337959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647968.2U Expired - Fee Related CN206876387U (en) | 2017-06-06 | 2017-06-06 | A kind of simulation test device for measuring basal disc and falling with soil interaction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206876387U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956091A (en) * | 2018-08-10 | 2018-12-07 | 交通运输部天津水运工程科学研究所 | A kind of soil box for port structure and ground interaction test |
| CN109000897A (en) * | 2017-06-06 | 2018-12-14 | 天津大学 | A kind of simulation test device that measurement basal disc falls with soil interaction |
-
2017
- 2017-06-06 CN CN201720647968.2U patent/CN206876387U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000897A (en) * | 2017-06-06 | 2018-12-14 | 天津大学 | A kind of simulation test device that measurement basal disc falls with soil interaction |
| CN108956091A (en) * | 2018-08-10 | 2018-12-07 | 交通运输部天津水运工程科学研究所 | A kind of soil box for port structure and ground interaction test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 300350 District, Jinnan District, Tianjin Haihe Education Park, 135 beautiful road, Beiyang campus of Tianjin University Patentee after: Tianjin University Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180112 Termination date: 20180606 |