CN203844977U - Offshore platform device used for offshore static sounding - Google Patents
Offshore platform device used for offshore static sounding Download PDFInfo
- Publication number
- CN203844977U CN203844977U CN201420126514.7U CN201420126514U CN203844977U CN 203844977 U CN203844977 U CN 203844977U CN 201420126514 U CN201420126514 U CN 201420126514U CN 203844977 U CN203844977 U CN 203844977U
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- Prior art keywords
- static sounding
- offshore
- fixed
- mud face
- casing pipe
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- 230000003068 static effect Effects 0.000 title claims abstract description 46
- 238000005553 drilling Methods 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000003653 coastal water Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 10
- 238000011065 in-situ storage Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to an offshore platform device used for offshore static sounding and intended for providing the offshore platform device used for offshore static sounding in order to improve accuracy of surveying results. The technical scheme includes that four anchors are thrown into the seabed in four directions of a prow and a stern of a drilling ship; a static sounding platform support is fixed at the center of a deck of the drilling ship; a static sounding device and a hydraulic system are arranged on the static sounding platform frame, on which two steel pipes vertical to stressed parts of the frame are welded; a circular hole, straightly communicating to the sea level, is formed in space enclosed by the steel pipes and the stressed parts; a three-layer protecting casing pipe coaxially stretches into the circular hole; an outer casing pipe is pressed below a muddy surface by an external force; a middle casing pipe is fixed at the deck of the drilling ship via a fork; an inner casing pipe is fixed at the static sounding platform frame via a connecting device; and a probing rod, stretching into the inner casing pipe, has one end which stretches into the muddy surface and the other end which is connected with the hydraulic system via a small chuck and connected with the static sounding device via a data line.
Description
Technical field
The utility model relates to a kind of offshore platform device for coastal waters static sounding.Mainly be applicable to the static cone penetration test (CPT) in the marine in situ test of deep water offshore 5～15m.
Background technology
Developing marine resources is the engineering geology essential characteristic of grasping marine site, place with an important foundation sex work that carries out ocean engineering construction.Multibeam calibration is as the important means that develops marine resources and carry out ocean engineering construction, and business presents steady-state growth.Multibeam calibration means mainly comprise the multiple means such as geophysical exploration, probing are fetched earth, in situ test.Static cone penetration test (CPT), as the one of in-situ testing method, has the features such as directly perceived, accurate.The special quiet spy equipment at present more external developed country oceans is more ripe, in the prospecting of ocean, is applied.But equipment price costliness, manpower and materials demand is larger, and general unit is difficult to bear.Domestic marine static sounding test equipment, test method, all in the starting stage, not yet have marine static cone penetration equipment to have the possibility of widespread use.How to utilize existing static cone penetration equipment, economical, to be applied in multibeam calibration rationally, be accurately a difficult problem of current ocean static sounding research and development.
In addition, land static cone penetration equipment is subject to the restriction of quiet spy equipment itself and ocean condition for multibeam calibration.Need solve two problems: one is to provide a stable counterforce device; The 2nd, solve the impact of fluctuation tide on quiet spy equipment.When the test of land static sounding, counter-force is generally provided by the earth anchor that pierces below ground, and without the impact of the external force factors such as tidewater.For this specific environment of Yu Haiyang, the scope of operation of seabed and ship is separated by because of seawater, cannot provide static sounding required counter-force, and is subject to the impact of fluctuation tide.
Summary of the invention
The technical problems to be solved in the utility model is: the offshore platform device for coastal waters static sounding that a kind of low cost, high efficiency is provided and can not affected by fluctuation tide under certain depth of water, the operability of trying hard to significantly promote marine static sounding test, improve the accuracy of investigation result, exploration means on Mare Foecunditatis, the while can also be served as the platform carrier of the in situ tests such as marine four-bladed vane, flat chisel, other pressure.
The technical scheme that the utility model adopts is: for the offshore platform device of coastal waters static sounding, comprise drilling vessel, ship anchor, static sounding platform frame, hydraulic efficiency pressure system, quiet spy equipment and feeler lever, four ship anchors are thrown in the seabed of drilling vessel fore and stern four direction, static sounding platform frame is fixed on the center deck place of drilling vessel, quiet spy equipment and hydraulic efficiency pressure system are arranged in static sounding platform frame, it is characterized in that: in static sounding platform frame, weld two and open the circular holes of the maritime water surface always with the perpendicular steel pipe of frame stressed member and in the space that steel pipe and stressed member surround, in circular holes, stretch into the three-layer protection sleeve pipe of coaxial line, wherein outer tube is pressed into below mud face by external force, intermediate casing is fixed on drilling vessel deck by fork, inner sleeve is fixed in static sounding platform frame through adaptor union, described feeler lever stretches in inner sleeve and one end extend into mud face, the other end is connected with hydraulic efficiency pressure system through little chuck and connects quiet spy equipment by data line.
Described outer tube enters the following 2-5m of mud face; Described intermediate casing bottom remains on 2-3m from mud face, and described inner sleeve bottom is from mud face 0.5m.
Described outer tube external diameter 140mm, internal diameter 108mm; Described inner sleeve external diameter 64mm, internal diameter 48mm.
The beneficial effects of the utility model are: compared with the quiet spy level of operation in existing sea, this Techniques For Reducing fluctuation time of tide sleeve pipe depart from the risk that the feeler lever bending that causes of frame and position, hole train off, the stability of platform and the accuracy of prospecting are improved, and this static sounding platform also can be used as offshore drilling, quiet spy can be combined with probing, form an integrated exploration platform, greatly reduced expensive sea prospecting cost.Can also serve as the platform carrier of the in situ tests such as marine four-bladed vane, flat chisel, other pressure simultaneously.
Brief description of the drawings
Fig. 1 is planar view of the present utility model.
Fig. 2 is the structural representation that three sleeve pipes are installed in the utility model.
Fig. 3 is the structural representation of fixing three sleeve pipes in the utility model.
Fig. 4 is the schematic diagram of the quiet spy devices collect data of the utility model.
Fig. 5 is the constructional drawing of special pipe clamp in the utility model.
Detailed description of the invention
As Figure 1-4, the present embodiment is for the offshore platform device of coastal waters static sounding, comprise drilling vessel 2, ship anchor 1, static sounding platform frame 3, hydraulic efficiency pressure system 4, quiet spy equipment 13 and feeler lever 12, four ship anchors 1 are thrown in the seabed at drilling vessel 2 fores and oblique four angles of stern, static sounding platform frame 3 is fixed on the center deck place of drilling vessel 2, and quiet spy equipment 13 and hydraulic efficiency pressure system 4 are installed in static sounding platform frame 3.This routine feature is: in static sounding platform frame 3, weld two with the perpendicular steel pipe 14 of frame stressed member (steel member), and open the circular holes of the maritime water surface always in the space that steel pipe and stressed member surround, in circular holes, stretch into the three-layer protection sleeve pipe of coaxial line, wherein outer tube 7(external diameter 140mm, internal diameter 108mm) be pressed into the following 2-5m of mud face by external force; Intermediate casing 6 is fixed on drilling vessel 2 decks by fork 9, and bottom remains on 2-3m from mud face, and can move up and down with fluctuation tide; Inner sleeve 5(external diameter 64mm, internal diameter 48mm) to be fixed in static sounding platform frame 3 through adaptor union 10, bottom is from mud face 0.5m.The utility model enters mud face by outer tube pipe bottom and fixes, moving up and down and inner sleeve and static sounding platform frame fixing of intermediate casing, makes three covers be connected with quiet spy equipment, formed can operation in the situation that tidal level changes static sounding platform.
This routine described feeler lever 12 stretches in inner sleeve 5, and feeler lever one end extend into mud face, and the other end is connected with hydraulic efficiency pressure system 4 through lesser calorie dish 11, connects quiet spy equipment 13 again by data line simultaneously.
Working process of the present utility model is as follows:
1, open a circular holes on special drilling vessel 2 decks, circular holes diameter can not be too large, and surrounding needs to support quiet spy equipment.
2, at two steel pipes 14 of circular holes both sides welding, steel pipe spacing is suitable with quiet spy equipment anchor spacing.
3, a tripod of circular holes surrounding welding, for equipment such as lifting sleeves, tripod below is left enough large spaces and is convenient to quiet spy operation.
4, in the situation that sea situation allows while retreating to lowest water level (because general quiet spy production time is shorter, be generally seawater), locates the position of quiet inspecting hole, throws lower four anchors 1 and makes drilling vessel 2 platform held stationaries.
5, mention outer tube 7 with jacking equipment and be lowered in circular holes, make outer tube 7 enter the following 2～5m of mud face by jacking system and sleeve pipe deadweight, the degree of depth is determined according to concrete sea situation, is entered the mud face degree of depth and be as the criterion to meet capacity of anti-storm.Outer tube 7 upper ends are between hull bottom and deck.Outer tube 7 sectional accesses.
6, mention intermediate casing 6 with jacking equipment and be lowered in outer tube 7, intermediate casing 6 bottoms remain on 2～3m from mud face, and top is fixed on deck with fork 9.Intermediate casing 6 sectional accesses.
7, static sounding platform frame 3 is positioned over to circular holes top, inner sleeve 5 is fixed between two hydraulic efficiency pressure systems 4 of quiet spy equipment with special pipe clamp 8, gradually inner sleeve 5 is lowered in middle guide pipe 6, inner sleeve 5 is after the about 0.5m of mud face, and upper end utilizes adaptor union 10 that inner sleeve 5 is fixed in static sounding platform frame 3.
8, connect according to routine operation method be fond of tranquility spy equipment 13, lesser calorie dish 11, hydraulic efficiency pressure system 4 and feeler lever 12, feeler lever 12 is slowly put into inner sleeve 5, measurement obtains data.
9, after DATA REASONING, the counter-force of utilizing drilling vessel 2, hydraulic efficiency pressure system 4 to provide, extracts feeler lever 12, extracts afterwards inner sleeve 5, relends and helps jacking system to extract successively intermediate casing 6, outer tube 7.
10, the end of job.
Above-mentioned special pipe clamp 8(is as shown in Figure 5) be two semi-circular members that separate, chuck is manually, adopts clamped-in style slips, can inner clamping sleeve pipe 5, operate nimble.When this special pipe clamp 8 is operation, the instrument of Interim use is removed at once after inner sleeve fixes.
The fork 9, adaptor union 10 and the lesser calorie dish 11 that in this example, use are conventional apparatus, repeat no more.
Claims (3)
1. the offshore platform device for coastal waters static sounding, comprise drilling vessel (2), ship anchor (1), static sounding platform frame (3), hydraulic efficiency pressure system (4), quiet spy equipment (13) and feeler lever (12), four ship anchors (1) are thrown in the seabed of drilling vessel (2) fore and stern four direction, static sounding platform frame (3) is fixed on the center deck place of drilling vessel (2), quiet spy equipment (13) and hydraulic efficiency pressure system (4) are arranged in static sounding platform frame (3), it is characterized in that: open the circular holes of the maritime water surface always at the perpendicular steel pipe (14) of two of upper welding of static sounding platform frame (3) and frame stressed member and in the space that steel pipe and stressed member surround, in circular holes, stretch into the three-layer protection sleeve pipe of coaxial line, wherein outer tube (7) is pressed into below mud face by external force, intermediate casing (6) is fixed on drilling vessel (2) deck by fork (9), inner sleeve (5) is fixed in static sounding platform frame (3) through adaptor union (10), described feeler lever (12) stretches in inner sleeve (5) and one end extend into mud face, the other end is connected with hydraulic efficiency pressure system (4) through little chuck (11) and connects quiet spy equipment (13) by data line.
2. the offshore platform device for coastal waters static sounding according to claim 1, is characterized in that: described outer tube (7) enters the following 2-5m of mud face; Described intermediate casing (6) bottom remains on 2-3m from mud face, and described inner sleeve (5) bottom is from mud face 0.5m.
3. the offshore platform device for coastal waters static sounding according to claim 1 and 2, is characterized in that: described outer tube (7) external diameter 140mm, internal diameter 108mm; Described inner sleeve (5) external diameter 64mm, internal diameter 48mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420126514.7U CN203844977U (en) | 2014-03-20 | 2014-03-20 | Offshore platform device used for offshore static sounding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420126514.7U CN203844977U (en) | 2014-03-20 | 2014-03-20 | Offshore platform device used for offshore static sounding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844977U true CN203844977U (en) | 2014-09-24 |
Family
ID=51558024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420126514.7U Expired - Fee Related CN203844977U (en) | 2014-03-20 | 2014-03-20 | Offshore platform device used for offshore static sounding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203844977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284276A (en) * | 2016-10-09 | 2017-01-04 | 中船勘察设计研究院有限公司 | The application in offshore sea waters of a kind of static sounding technology |
| CN111688874A (en) * | 2020-05-27 | 2020-09-22 | 中交第二公路工程局有限公司 | Combined stabilizing platform under surge condition and application |
-
2014
- 2014-03-20 CN CN201420126514.7U patent/CN203844977U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106284276A (en) * | 2016-10-09 | 2017-01-04 | 中船勘察设计研究院有限公司 | The application in offshore sea waters of a kind of static sounding technology |
| CN111688874A (en) * | 2020-05-27 | 2020-09-22 | 中交第二公路工程局有限公司 | Combined stabilizing platform under surge condition and application |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |