CN205046535U - Portable steel platform of marine construction operation - Google Patents
Portable steel platform of marine construction operation Download PDFInfo
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- CN205046535U CN205046535U CN201520529228.XU CN201520529228U CN205046535U CN 205046535 U CN205046535 U CN 205046535U CN 201520529228 U CN201520529228 U CN 201520529228U CN 205046535 U CN205046535 U CN 205046535U
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Abstract
The utility model relates to a portable steel platform of marine construction operation, characterized by: including platform steel sheet, steel stand, truss, box bucket, the steel stand is connected with lower part box bucket top, be equipped with the connection truss between the steel stand, the platform steel sheet sets up the top at steel stand and truss, the box bucket top is equipped with reserves the pore. Beneficial effect: compared with the prior art, the utility model discloses can realize land prefabricatedly totally, reduce the marine concatenation activity duration, not influenced by the stormy waves, make full use of the box bucket structure take out the submerged construction process of vacuum negative pressure, realized convenient and fast installation and the purpose that moves, improved the installation effectiveness, reduced the cost of portable steel platform.
Description
Technical field
The invention belongs to marine engineering technical field, particularly relate to a kind of portable steel platform of offshore construction operation.
Background technology
Offshore construction also exists by Lidar Equation large, can activity duration short deficiency, drastically influence efficiency of construction.The jack-up unit ship of current application is after position is stayed in works area, transfer spud leg and insert mud face, utilize spud leg that platform boat is risen to more than sea and start operation, this platform boat is little by Lidar Equation, and can conveniently move, but its defect is that jack-up unit ship cost and ship machine usage charges are all higher, and such platform boat negligible amounts, using and selecting all to have some limitations.Based on this, offshore construction job platform have also been obtained and uses more widely, the method is in construction operation region based on pile sinking, basis is set up platform operations district, and this platform is little by Lidar Equation, and cost of use is low, but it is higher that its defect is that early stage sets up the mounting cost of platform, installation period is long, and platform is irremovable, recovery value is lower, the elongated region being applicable to the long-term construction of need or operation.
Number of patent application 201110237387.9 discloses a kind of Movable-baseplate self-lifting platform, comprises top self elevating platform and bottom suction type basal disc, and two parts are connected by connected node, and bottom adopts suction pile and frame construction to be combined into suction type basal disc.Its construction method first sinks to suction type basal disc at construction area, is connected, utilizes top, from elevating mechanism, platform is risen to specified altitude assignment subsequently at the spud leg of transferring top self elevating platform with the suction pile of suction type basal disc.The defect of this form of structure and construction technology is: top self elevating platform complex structure, cost are higher, suction type basal disc is seabed operation, difficulty of construction is larger, and the spud leg of self elevating platform is more difficult aligns with suction pile, need move self elevating platform and suction type basal disc during this platform mobile, technique is comparatively loaded down with trivial details simultaneously.
Number of patent application: 201420118137.2 disclose a kind of offshore platform, comprise rectangular element buoyancy aid, engaging lug, damping grafting rod, the upper box top planes of its rectangular element buoyancy aid is provided with cross recess, upper box four curved grooves in angle, , the lower box side of the being bodily form, four planes of lower box are respectively equipped with wedge-shaped impression, the stub end of wedge-shaped impression is in plane bottom, lower box base plane is provided with cross boss, four curved grooves in angle of lower box upper end, the bottom of lower box four angle arc grooves is plane, groove is provided with in the centre of plane, both sides are respectively equipped with connecting hole, connecting hole is distributed in the plane at four angles from high to low, engaging lug there is circular port, engaging lug end is provided with positioning table, connecting bolt is respectively equipped with in the both sides of positioning table, engaging lug is fixedly mounted on four angle planes, engaging lug in the curved groove lower flat in four angles of adjacent four unit buoyancy aids superposes mutually, the interior adjacent rectangle unit buoyancy aid that connects of circular port that rubber shock-absorbing grafting rod enters engaging lug is combined into platform.The overlap joint of a kind of platform steel plate of this patent research and assembling method, but its deficiency is this structure is floating structure, large by marine Lidar Equation, be not suitable for placing heavy construction equipment and for offshore construction.
Number of patent application: 200910070732.7 disclose a kind of Novel floating production oil storage platform structure and construction method thereof, comprise by tension leg spar structures, fuel reserve tank and top productive life platform, suction anchor, its principle utilizes fuel reserve tank to provide buoyancy that upper brace is risen to level altitude, utilizes the anchor be connected between suction anchor and fuel reserve tank to pull the position of fixed platform.Its deficiency is this structure is floating structure, and the impact by marine stormy waves is comparatively large, make providing the fuel reserve tank of buoyancy and processing request high, will whole working platform be caused to sink to seabed once fuel reserve tank is damaged.
Summary of the invention
The present invention is to overcome deficiency of the prior art, provides a kind of portable steel platform of offshore construction operation, utilizes case barrel structure to vacuumize the construction technology of negative pressure sinking, achieves the object of convenient and swift installation and movement.
The present invention for achieving the above object, be achieved through the following technical solutions, a kind of portable steel platform of offshore construction operation, it is characterized in that: comprise platform steel plate, steel post, truss and case cylinder, described steel post is affixed with the case cylinder top being placed in its underpart, and be provided with truss frame for connecting between described steel post, the top of described platform steel plate and steel post and truss is affixed, described case cylinder is closed structure, and described case cylinder top is provided with reserving hole channel.
Described case cylinder is made up of single case cylinder or multiple case cylinder, multiple case cylinder equal diameters or unequal.
Described case cylinder is steel case cylinder, concrete box cylinder Huo Gang Quan structure case cylinder, and described case cylinder shape of cross section is circular, square or polygon.
Described case cylinder is provided with jet water spout along barrel circumference.
Multiple separation is separated by shifting board in described case cylinder.
Described steel post quantity is 1-12 root, the affixed case cylinder in lower end of every root steel post, or a case cylinder is connected with 1-12 root steel post.
Described steel post is that steel pipe column, i iron or section steel material are made.
2 ~ 3 row steel posts longitudinally arranged by described steel platform, and lateral arrangement 4 ~ 6 row steel post and case cylinder form one group of overall structure.
Described truss inside is provided with the buoyancy tank of operation of can pouring water or bleed.
Beneficial effect: compared with prior art, present invention achieves land complete prefabricated, decrease the marine splicing activity duration, make full use of the construction technology that case barrel structure vacuumizes negative pressure sinking, achieve the object of convenient and swift installation and movement, improve installation effectiveness, reduce the cost of portable offshore construction steel platform.
Accompanying drawing explanation
Fig. 1 is steel platform and integrally design sketch;
Fig. 2 is steel platform front elevation view;
Fig. 3 is steel platform side elevation;
Fig. 4 is steel platform B-B sectional drawing;
Fig. 5 is steel platform top view;
Fig. 6 is steel platform A-A sectional drawing;
Fig. 7 steel platform upward view;
Fig. 8 is three casees cylinder basis steel platform schematic diagrames;
Fig. 9 is two casees cylinder basis steel platform schematic diagrames;
Figure 10 is single case cylinder basis steel platform schematic diagram;
Figure 11 is the horizontally-spliced schematic diagram of steel platform.
In figure: 1-platform steel plate, 2-steel post, 3-truss, the large case cylinder of 4-, the little case cylinder of 5-, 6-case cylinder reserving hole channel, 7-crawler crane, 8-jet water spout, 9-shifting board.
Detailed description of the invention
Below in conjunction with preferred embodiment, to according to detailed description of the invention provided by the invention, details are as follows: implement, 1
Refer to accompanying drawing 1 ~ 7, a kind of portable steel platform of offshore construction operation, comprise platform steel plate 1, steel post 3, truss 3 and case cylinder 5, described steel post is affixed with the case cylinder top being placed in its underpart, be provided with truss frame for connecting between described steel post, the top of described platform steel plate and steel post and truss is affixed, and described case cylinder is closed structure, described case cylinder is made up of single case cylinder or multiple case cylinder, multiple case cylinder equal diameters or unequal.Described steel post quantity is 1-12 root, the affixed case cylinder in lower end of every root steel post, or a case cylinder is connected with 1-12 root steel post.The case cylinder of the present embodiment is divided into large case cylinder 4, little case cylinder 5, described steel post 2 is steel pipe column, eight steel posts 2 are provided with below platform steel plate 1 described in the present embodiment, four, described both sides steel post 2 is separately fixed on a little case cylinder 5, four, described centre steel post is fixed on a middle large case cylinder 4, shifting board 9 is used to be set to eight subdivisions in the middle of described large case cylinder 4, a case cylinder reserving hole channel 6 is respectively left on described eight subdivision tops, described large case cylinder 4 is furnished with eight jet water spouts 8 along case cylinder circumferential edge, shifting board 9 is used to be set to four subdivisions in the middle of described little case cylinder 5, a case cylinder reserving hole channel 6 is respectively left on described four subdivision tops, described little case cylinder 5 is furnished with six jet water spouts 8 along case cylinder circumferential edge, be set up along short transverse cloth between the steel post 2 of four, described outside, lower two row's truss 3, be set up along short transverse cloth between the steel post 2 of four, described centre, in, lower three row's truss 3, crawler crane 7 is provided with above described platform steel plate 1.
Embodiment 2, refers to accompanying drawing 8-10, and the portable steel platform of described offshore construction operation also can be three casees cylinder foundation structures, and namely two, both sides steel post 2 is respectively arranged on a case cylinder, and middle four steel posts are arranged on a case cylinder; Also can be two casees cylinder foundation structures, namely two steel posts 2 of both sides add two, adjacent centre steel post 2 and are respectively arranged on a case cylinder; Also can be single case cylinder foundation structure, namely all steel posts 2 are all arranged on a case cylinder, and the arrangement connecting structure form of case cylinder and steel post 2 can be determined in conjunction with concrete operating mode according to each side such as the size of steel platform, stressed, stability.Refer to accompanying drawing 11, the portable steel platform of described offshore construction operation can transversely or longitudinal even Boulez, to form a larger work steel platform.
The construction technology of the portable steel platform of offshore construction operation is:
(1) processing and fabricating: processing and fabricating platform steel plate 1 respectively, steel post 2, truss 3 pipe, large case cylinder 4, little case cylinder 5, shifting board 9 is used to be set to eight subdivisions in the middle of large case cylinder 4, each subdivision top arranges a reserving hole channel 6, along large case cylinder circumferential edge, eight jet water spouts 8 are set, shifting board 9 is used to be set to four subdivisions in the middle of little case cylinder 5, each subdivision top arranges a reserving hole channel 6, along little case cylinder circumferential edge, four jet water spouts 8 are set, large case cylinder 4 and little case cylinder 5 are arranged on place by assigned address, subsequently four, outside steel post 2 is separately fixed on four little case cylinders 5, four, centre steel post 2 is fixed on case cylinder 4 broad in the middle, cutting stock truss 3 pipe, truss 3 is fixed between eight steel posts 2, the platform steel plate 1 machined is fixed on the upper end of steel post 2 and upper row's truss 3, complete the processing of the portable steel platform of offshore construction operation.
(2) marine towage: closed by the reserving hole channel 6 of case cylinder upper end, the portable steel platform of offshore construction operation moves in water by method 1, employing slideway or crane gear, utilizes tugboat by the haul of steel platform to assigned address.When adopting haulage method, can arrange buoyancy tank (not shown) in the middle of truss, buoyancy tank can carry out operation of bleeding and pour water, and during transit condition, it is floating that the interior inflation of buoyancy tank provides buoyancy to assist; During sinking state, pour water in buoyancy tank and increase the auxiliary sinking of gravity.
Method 2: adopt crane gear to be refuted the portable steel platform side of winching to of offshore construction operation, by just refute steel platform is transported to assigned address after hang in water.
(3) negative pressure is sunk: the reserving hole channel 6 opening case cylinder top, the portable steel platform of offshore construction operation relies on deadweight sinking to be shelved on mud face, utilize air extractor to bleed to large case cylinder 4 and four little case cylinders 5 simultaneously, form vacuum in case cylinder and sink to mud face.In pumping process, adjust rate of air sucked in required and the speed of evacuation of each case cylinder subdivision, to ensure that each case cylinder can vertical subsidence; Simultaneously the rate of air sucked in required of the little case cylinder of adjustable four and the speed of evacuation, make each case cylinder of the portable steel platform of offshore construction operation synchronously sink, ensure the levelness of platform steel plate 1.When installing in sandy soil, the jet water spout 8 by each case cylinder periphery carries out high-pressure flush auxiliary tank cylinder.
(4) crawler crane is assembled: after the portable steel stage+module of offshore construction operation is in place, be placed on steel platform, assembled crawler crane 7 on steel platform by the crawler crane parts after disassembling.
(5) job execution: crawler crane 7 performs offshore construction operation.
(6) inflation is floated: after fulfiling assignment, disassembled by crawler crane 7 and remove, inflate in case cylinder, and as used buoyancy tank, also can inflate to provide buoyancy auxiliary floating in buoyancy tank, the portable steel platform of offshore construction operation is at buoyancy float downward.
(7) steel platform displacement: utilize tugboat that the portable steel platform of offshore construction operation is moved to next construction area, repeats above-mentioned steps (3) ~ (6) and carries out offshore construction operation.
Above-mentioned detailed description of carrying out with reference to the portable steel platform of embodiment to this kind of offshore construction operation; illustrative instead of determinate; several embodiments can be listed according to institute's limited range; therefore in the change do not departed under general plotting of the present invention and amendment, should belong within protection scope of the present invention.
Claims (8)
1. the portable steel platform of an offshore construction operation, it is characterized in that: comprise platform steel plate, steel post, truss and case cylinder, described steel post is affixed with the case cylinder top being placed in its underpart, truss frame for connecting is provided with between described steel post, the top of described platform steel plate and steel post and truss is affixed, described case cylinder is closed structure, and described case cylinder top is provided with reserving hole channel.
2. the portable steel platform of offshore construction operation according to claim 1, is characterized in that: described case cylinder is made up of single case cylinder or multiple case cylinder, multiple case cylinder equal diameters or unequal.
3. the portable steel platform of offshore construction operation according to claim 1 and 2, is characterized in that: described case cylinder is steel case cylinder, concrete box cylinder or steel Quan structure case cylinder, and described case cylinder shape of cross section is circular, square or polygon.
4. the portable steel platform of offshore construction operation according to claim 3, is characterized in that: described case cylinder is provided with jet water spout along barrel circumference.
5. the portable steel platform of offshore construction operation according to claim 4, is characterized in that: be divided into multiple separation by shifting board in described case cylinder.
6. the portable steel platform of offshore construction operation according to claim 1, is characterized in that: described steel post quantity is 1-12 root, the affixed case cylinder in lower end of every root steel post, or a case cylinder is connected with 1-12 root steel post.
7. the portable steel platform of the offshore construction operation according to claim 1 or 6, is characterized in that: described steel post is that steel pipe column, i iron or section steel material are made.
8. the portable steel platform of offshore construction operation according to claim 1, is characterized in that: described truss inside is provided with the buoyancy tank of operation of can pouring water or bleed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529228.XU CN205046535U (en) | 2015-07-21 | 2015-07-21 | Portable steel platform of marine construction operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529228.XU CN205046535U (en) | 2015-07-21 | 2015-07-21 | Portable steel platform of marine construction operation |
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| CN205046535U true CN205046535U (en) | 2016-02-24 |
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| CN201520529228.XU Active CN205046535U (en) | 2015-07-21 | 2015-07-21 | Portable steel platform of marine construction operation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087928A (en) * | 2016-07-27 | 2016-11-09 | 合肥学院 | A kind of axisymmetric barrel base list lower limb post production platform and construction method thereof |
| CN109653160A (en) * | 2019-01-29 | 2019-04-19 | 天津大学 | A kind of compartment suction type steel cylinder island wall construction in fast rapid-result island technology |
| CN110468817A (en) * | 2019-08-30 | 2019-11-19 | 天津大学 | A kind of fixed offshore photovoltaic power generation platform structure and its construction method |
-
2015
- 2015-07-21 CN CN201520529228.XU patent/CN205046535U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087928A (en) * | 2016-07-27 | 2016-11-09 | 合肥学院 | A kind of axisymmetric barrel base list lower limb post production platform and construction method thereof |
| CN109653160A (en) * | 2019-01-29 | 2019-04-19 | 天津大学 | A kind of compartment suction type steel cylinder island wall construction in fast rapid-result island technology |
| CN109653160B (en) * | 2019-01-29 | 2023-12-19 | 天津大学 | A compartment suction formula steel drum island wall structure for among quick island formation technique |
| CN110468817A (en) * | 2019-08-30 | 2019-11-19 | 天津大学 | A kind of fixed offshore photovoltaic power generation platform structure and its construction method |
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