CN209086092U - The removable marine jack-up unit shoe model loading test device of one kind - Google Patents
The removable marine jack-up unit shoe model loading test device of one kind Download PDFInfo
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- CN209086092U CN209086092U CN201821398284.4U CN201821398284U CN209086092U CN 209086092 U CN209086092 U CN 209086092U CN 201821398284 U CN201821398284 U CN 201821398284U CN 209086092 U CN209086092 U CN 209086092U
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- shoe
- motor
- test device
- loading test
- unit
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 239000002689 soil Substances 0.000 claims abstract description 25
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- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000011156 evaluation Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000000605 extraction Methods 0.000 abstract 1
- 230000008859 change Effects 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
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- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses the removable marine jack-up unit shoe model loading test devices of one kind, device includes guide rail, soil bin, load shoe, sensor, data collecting instrument and computer, the utility model plugs testing equipment of the mini Mod than ruler of shoe for jack-up unit, can effectively simulate jack-up unit plug shoe injection, it is in place, disturbed, the working conditions such as extraction, and resistance of soil and the accurate measurement of deformation during loading.Have great importance to jack-up unit stability of foundation and security evaluation.The apparatus structure is simple simultaneously, and installation positioning is convenient, tests process PLC technology, easy to operate, high degree of automation.
Description
Technical field
The utility model belongs to marine engineering technical field, and in particular to the removable marine jack-up unit shoe mould of one kind
Type loading test device.
Background technique
Recently as China's offshore and gas development, sea jack-up unit mobility is strong at present, can effectively reduce
The advantages that cost and operation stability of offshore and gas development are good, is widely used, primary structure include superstructure,
Spud leg and shoe.The general independent spud-can for using three spud leg forms, can play branch to upper brace in seabed soil
Support and antidumping.Its driving depth compared with conventional piles basic platform is smaller, and can obtain under identical driving depth
Obtain bigger bearing capacity and better stability.
Removable wellhead platform usually nearby can have self-elevating drilling platform (ship) and exist in normal oil-gas mining operation
Execute drilling well or maintenance activity.Since the diameter range of current drilling platforms shoe is generally 6 between 20m, it is straight to belong to super large
Gauge structure.Therefore shoe penetration process can generate downwards biggish extruding and removing soil effect with peripheral direction, and there are two for withdrawal process
Secondary soil compaction and casting mechanism.Therefore offshore self-elevating drilling platform plug stake process is inevitably to wellhead platform around
Spud-can have an adverse effect, may result in and circumferential mesas run-off the straight or even topple when serious, cause serious work
Journey accident.
Therefore the removable impacted condition of wellhead platform state in place is simulated, and bearing capacity and change in displacement are divided
Analysis evaluates wellhead platform stability, for the safety evaluatio important in inhibiting of wellhead platform itself.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of removable marine jack-up unit stake
Last type loading test device.
The utility model is achieved through the following technical solutions:
The removable marine jack-up unit shoe model loading test device of one kind, guide rail, soil bin, load shoe,
Sensor, data collecting instrument and computer, the guide rail are horizontally placed on soil bin, and being provided on guide rail can move along guide rail
Dynamic load shoe, load shoe include for place motor and for the motor mounting plate that is clipped on guide rail and lower bolster,
And the transmission mechanism through motor mounting plate and lower bolster, the transmission mechanism include horizontal upper moving plate, vertical power transmission guiding
Ring flange is arranged in bar and horizontal lower moving plate, horizontal lower moving plate lower end, and shoe load bar is arranged in ring flange lower end, in motor mounting plate
Lower end be provided with stepper motor, stepper motor upper end is provided with lead screw, and lead screw passes through motor mounting plate and passes through upper moving plate lead screw
Horizontal upper moving plate is paid to be connected, stepper motor driving motor lead screw rotation, motor lead screw rotate to horizontal upper moving plate apply to
Under power, make transmission mechanism push shoe load bar move downward；Computer is connected by data collecting instrument with sensor.
The soil bin is in square.
The depth of the soil bin is 1-3m.
The guide rail is provided with moveable weighing support, can pass through the position of the mobile change guide rail of weighing support.
Shoe load bar lower end connects shoe model, and the shoe model is cylindrical body or square.
The sensor includes displacement sensor and tension-compression sensor.
Institute's displacement sensors are stay-supported type displacement sensor, and sensor main body is mounted on horizontal upper moving plate, and sensor is drawn
Line passes through horizontal upper moving plate one end and is fixed on motor mounting plate, and sensor changes to obtain loading device by detecting bracing wire length
Change in displacement.
The tension-compression sensor is S type strain gauge transducer, is mounted on shoe load bar, be can measure vertical suffered by shoe
The shoe stress of real-time change and shoe displacement can be acquired, by institute by power by sensor by dynamic data acquiring instrument
The power and displacement obtained passes through computer software and exports.
Motor driver, motor driven transformer, multi-axis motion controller and motor are provided in the data collecting instrument
Driver, by motor control line and motor driver, motor driver connects motor driven transformer for load shoe, and motor drives
Dynamic transformer and motor driver are connected with multi-axis motion controller, and motor driver and controller transformer are opened with power supply respectively
It closes and is connected.
The removable marine jack-up unit shoe model load test method of one kind, carries out according to the following steps:
Step 1: inserting sand with sand rain method in sand slot, and slowly water filling is saturated sand, bankets to specified altitude
Afterwards by native surface evening, shoe model is mounted on loading system load bar；
Step 2: by shoe loading device shoe model is slowly moved to straight down it is lucky contacted with native surface,
Data collecting instrument and computer acquisition shoe displacement and carrying force data；It is pulled out in shoe to native face is left completely, saves experiment number
According to repairing experiment equipment closes power supply, off-test.
In the step 2, process control load system is inputted, makes shoe system according to " once load injection-is static-secondary adds
Carry injection-above pull out reset " the step of operated.Wherein once load injection loading velocity is 0.1mm/s, loads distance
120mm；Quiescent time is 1200s, and the quiescent period, which artificially applies shoe surrounding soil, to be disturbed；Second load penetrating speed is
0.1mm/s loads distance 50mm；On pull out reset speed be 2mm/s, uplift displacement 200mm.
It the advantages of the utility model and has the beneficial effect that
The utility model is the mini Mod for jack-up unit plug shoe than the testing equipment of ruler, can effectively be simulated certainly
Lift-type platform plug shoe injection, it is in place, disturbed, working conditions, and resistance of soil and the deformation during loading such as extract
Accurate measurement.Have great importance to jack-up unit stability of foundation and security evaluation.The apparatus structure is simple simultaneously, peace
It is convenient to set position, tests process PLC technology, easy to operate, high degree of automation.
Detailed description of the invention
Fig. 1 device overall schematic.
Fig. 2 movable pedestal schematic diagram.
Fig. 3 positioning system schematic diagram.
Fig. 4 plugs shoe loading device schematic diagram.
The impacted shoe loading device schematic diagram of Fig. 5.
Fig. 6 carries force-displacement curve figure.
In figure: 1, stepper motor；2, motor lead screw；3, motor mounting plate；4, motor support bar；5, lower bolster；6, backing plate
Support column；7, lower bolster fixing bolt；8, guide rod sliding pair；9, crossbeam is positioned；10, horizontal upper moving plate；11, upper moving plate lead screw
It is secondary；12, vertical power transmission guide rod；13, horizontal lower moving plate；14, ring flange；15, shoe load bar；16, control cabinet；17, motor
Control line；18, power supply line；19, cabinet shell；20, power switch；21, multi-axis motion controller；22, motor driver；23,
Controller transformer；24, motor driven transformer；25, inner lead；26, displacement sensor；27, tension-compression sensor；28, it moves
State data collecting instrument；29, computer；30 data connecting lines；31, guide rail；32, soil bin.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, combined with specific embodiments below into one
Step illustrates the technical solution of the utility model.
Embodiment 1
The removable marine jack-up unit shoe model loading test device of one kind, guide rail 31, soil bin 32, load stake
Boots 33, sensor, data collecting instrument and computer, the guide rail are horizontally placed on soil bin, and being provided on guide rail can edge
The mobile load shoe of guide rail, load shoe include for place motor and motor mounting plate 3 for being clipped on guide rail and
Lower bolster 5 and transmission mechanism through motor mounting plate and lower bolster, the transmission mechanism includes horizontal upper moving plate 10, perpendicular
Ring flange 14 is arranged in the power that direct transfers guide rod 12 and horizontal lower moving plate 13, horizontal lower moving plate lower end, and the setting shoe of ring flange lower end adds
Bar 15 is carried, the lower end of motor mounting plate is provided with stepper motor 1, stepper motor upper end is provided with lead screw 2, and lead screw passes through motor
Mounting plate pays horizontal upper moving plate by upper moving plate lead screw and is connected, and stepper motor driving motor lead screw rotation, motor lead screw turns
The horizontal upper moving plate of trend applies downward power, makes transmission mechanism that shoe load bar be pushed to move downward；Computer is adopted by data
Collection instrument is connected with sensor.
Shoe load bar lower end connects shoe model, and shoe model is cylindrical body.The sensor includes displacement sensor
And tension-compression sensor.Institute's displacement sensors are stay-supported type displacement sensor, and sensor main body is mounted on horizontal upper moving plate, are sensed
Device is drawstring through horizontal upper moving plate one end and is fixed on motor mounting plate, and sensor is changed by detection bracing wire length to be loaded
Device change in displacement.The tension-compression sensor is S type strain gauge transducer, is mounted on shoe load bar, can measure shoe institute
By vertical force, the shoe stress of real-time change and shoe displacement can be adopted by dynamic data acquiring instrument by sensor
Collection exports resulting power and displacement by computer software.
Motor driver, motor driven transformer, multi-axis motion controller and motor are provided in the data collecting instrument
Driver, by motor control line and motor driver, motor driver connects motor driven transformer for load shoe, and motor drives
Dynamic transformer and motor driver are connected with multi-axis motion controller, and motor driver and controller transformer are opened with power supply respectively
It closes and is connected.
Below by analyze D=93.3mm shoe bearing capacity change test for, in conjunction with attached drawing to the utility model make into
One step detailed description:
Test objective
When shoe is buried, shoe bearing capacity when a certain depth can be obtained, if shoe surrounding soil is disturbed, the soil body it is strong
Degree reduces, and can also reduce in the bearing capacity of same depth shoe.This phenomenon is observed using utility model device analog.
2, test prepares
Soil bin is the rectangular soil box of 2m × 2m × 2m, inserts sand with sand rain method in sand slot before on-test, and
Slowly water filling is saturated sand, by native surface evening after banketing to specified altitude；
Installation crossbeam model 20a type I-steel is selected according to test situation, loading system is mounted on crossbeam, is adjusted
Crossbeam is installed, both ends are fixed on soil bin outer wall.
It can adjust loading device system position along crossbeam direction, after positioning according to requirement of experiment to shoe position, by fixing
Bolt locking；
Shoe model is mounted on loading system load bar.
The equipment such as data collecting instrument and computer are connected, and debug Loading Control System, sensor and computer software, i.e.,
All preparations before completing test.
3, it tests process control and data acquires
Shoe model is slowly moved to straight down by shoe loading device and lucky is contacted with native surface.
Data collecting instrument and computer start to acquire shoe displacement and carrying force data at this time；
Loading system input control program, make shoe system according to " once load injection-it is static-second load injection-above pulls out
The step of reset ", is operated.Wherein once load injection loading velocity is 0.1mm/s, loads distance 120mm；Quiescent time
For 1200s, the quiescent period, which artificially applies shoe surrounding soil, to be disturbed；Second load penetrating speed is 0.1mm/s, loads distance
50mm；On pull out reset speed be 2mm/s, uplift displacement 200mm.
It is pulled out in shoe to native face is left completely, saves experimental data, repairing experiment equipment closes power supply, off-test.
4, Data Processing in Experiment
The interpretation of obtained shoe is obtained into carrying force-displacement curve.Comparison loads in penetration process twice
Force-displacement relationship is carried, shoe bearing capacity can be obtained by disturbing influence.In a coordinate system using shoe spacing as horizontal axis, bearing capacity
Carrying force-displacement curve can be obtained for the longitudinal axis, as shown in Figure 6.
Embodiment 2
On the basis of embodiment 1, the both ends of the guide rail described in soil bin two sides are provided with moveable weighing support, can
Pass through the position of the mobile change guide rail of weighing support.
Embodiment 3
On the basis of embodiment 1, in the side of guide rail, setting multiple groups load shoe, while carrying out testing experiment.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case where the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The protection scope of the utility model is each fallen with replacement.
Claims (10)
1. the removable marine jack-up unit shoe model loading test device of one kind, it is characterised in that: guide rail, soil bin,
Load shoe, sensor, data collecting instrument and computer, the guide rail are horizontally placed on soil bin, are provided on guide rail
Can be along the load shoe that guide rail moves, loading shoe includes for the motor mounting plate with motor is placed and for being clipped on guide rail
With lower bolster and through the transmission mechanism of motor mounting plate and lower bolster, the transmission mechanism includes horizontal upper moving plate, vertical
Ring flange is arranged in power transmission guide rod and horizontal lower moving plate, horizontal lower moving plate lower end, and shoe load bar is arranged in ring flange lower end, in electricity
The lower end of machine mounting plate is provided with stepper motor, and stepper motor upper end is provided with lead screw, and lead screw passes through upper across motor mounting plate
Movable plate lead screw pays horizontal upper moving plate and is connected, and computer is connected by data collecting instrument with sensor.
2. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
Be: the soil bin is in square.
3. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
Be: the depth of the soil bin is 1-3m.
4. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
Be: the guide rail is provided with moveable weighing support.
5. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
Be: shoe load bar lower end connects shoe model.
6. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
Be: the shoe model is cylindrical body.
7. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
Be: the sensor includes displacement sensor and tension-compression sensor.
8. a kind of removable marine jack-up unit shoe model loading test device according to claim 7, feature
Be: institute's displacement sensors are stay-supported type displacement sensor, and sensor main body is mounted on horizontal upper moving plate, and sensor bracing wire is worn
Horizontal upper moving plate one end is crossed to be fixed on motor mounting plate.
9. a kind of removable marine jack-up unit shoe model loading test device according to claim 7, feature
Be: the tension-compression sensor is S type strain gauge transducer, is mounted on shoe load bar.
10. a kind of removable marine jack-up unit shoe model loading test device according to claim 1, feature
It is: is provided with motor driver, motor driven transformer, multi-axis motion controller and motor driven in the data collecting instrument
Device, by motor control line and motor driver, motor driver connects motor driven transformer for load shoe, and motor driven becomes
Depressor and motor driver are connected with multi-axis motion controller, motor driver and controller transformer respectively with power switch phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398284.4U CN209086092U (en) | 2018-08-29 | 2018-08-29 | The removable marine jack-up unit shoe model loading test device of one kind |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398284.4U CN209086092U (en) | 2018-08-29 | 2018-08-29 | The removable marine jack-up unit shoe model loading test device of one kind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209086092U true CN209086092U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821398284.4U Expired - Fee Related CN209086092U (en) | 2018-08-29 | 2018-08-29 | The removable marine jack-up unit shoe model loading test device of one kind |
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| CN (1) | CN209086092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238888A (en) * | 2018-08-29 | 2019-01-18 | 天津大学 | The removable marine jack-up unit shoe model loading test device of one kind and method |
-
2018
- 2018-08-29 CN CN201821398284.4U patent/CN209086092U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238888A (en) * | 2018-08-29 | 2019-01-18 | 天津大学 | The removable marine jack-up unit shoe model loading test device of one kind and method |
| CN109238888B (en) * | 2018-08-29 | 2023-11-28 | 天津大学 | Device and method for loading and testing pile shoe model of movable offshore jack-up platform |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190709 |