CN201043271Y

CN201043271Y - Sink preventing and leveling device for installation of offshore platform pile pipe frame

Info

Publication number: CN201043271Y
Application number: CNU2007201488713U
Authority: CN
Inventors: 王翎羽; 侯金林; 王丽勤; 崔玉军
Original assignee: HAIWANGXING OCEAN ENGINEERING TECHNOLOGY Co LTD TIANJIN CITY; China National Offshore Oil Corp CNOOC; CNOOC Research Center
Current assignee: NEPTUNE OFFSHORE ENGINEERING DEVELOPMENT Co Ltd; China National Offshore Oil Corp CNOOC; CNOOC Research Institute Co Ltd
Priority date: 2007-04-23
Filing date: 2007-04-23
Publication date: 2008-04-02
Anticipated expiration: 2017-04-23

Abstract

The utility model relates to an antisettling leveling boot used to install offshore platform pile foundation conduit supports, and is characterized in that the utility model comprises an apron board chassis and a draining pump. The apron board chassis comprises a top tray, which is provided with a hole. A loop of outer apron board is arranged on the fringe of the top tray; a loop of inner apron board is arranged around the top tray to form a conduit hole; a plurality of radiate ribbed plates are arranged between the inner apron board and the outer apron board; a loop of deep floors which are connected with each other are arranged between the radiate ribbed plates; drain holes are arranged on the top and side face of each of the radiate ribbed plates and deep floors; cavities enclosed by the inner apron board and the outer apron board are communicated with each other; the top of the top tray of the apron board chassis is connected with the draining pump in a sealed way. The utility model has the three functions of resisting settlement, leveling, grouting and isolation, and can be used in the course of installation of various offshore platform pile foundation conduit supports.

Description

A kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket

Technical field

The utility model relates to a kind of servicing unit of ocean engineering platform, particularly about a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket.

Background technology

At present, the ocean engineering platform generally is by being provided with and mud mat is installed, is grabbed methods such as a device and packer device in marine pile foundation jacket process is installed, and solves jacket interim anti-heavy, leveling and three problems of grouting packing in the seabed.Mud mat, grab a device and these three kinds of devices of packer are separate, install and regulate cumbersome, particularly grab the complex structure of a device and packer, complex operation, cost height, need import, delivery cycle is longer, therefore exists the limitation in the use.

Summary of the invention

At the problems referred to above, the purpose of this utility model provides a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket that have interim anti-heavy, leveling and three functions of grouting packing simultaneously.

For achieving the above object, the utility model is taked following technical scheme: a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket, it is characterized in that: it comprises a skirtboard chassis and a drainage pump, described skirtboard chassis comprises a top board, described top board is provided with a hole, edge around described top board is provided with the outer side skirt of a circle, be provided with side skirt in the circle around described roof hole, form a guide hole, in described, be provided with some radial floors between the outer side skirt, be provided with the interconnective deep floor of a circle between the described radial floor, top-side at each described radial floor and deep floor is provided with drain hole, make by in described, be interconnected in the cavity that outer side skirt surrounds, the top board top seal on described skirtboard chassis connects described drainage pump.

Described guide hole is the upright opening that is arranged on described skirtboard chassis central authorities.

Described guide hole is the angling hole that is arranged on described skirtboard chassis central authorities.

Described guide hole is the eccentric upright opening that is arranged on the described skirtboard chassis.

Described guide hole is the eccentric angling hole that is arranged on the described skirtboard chassis.

The utility model is owing to take above technical scheme, it has the following advantages: 1, the utility model is provided with the box-like skirtboard chassis of a back-off, and be provided with drainage pump at the top, chassis, therefore operating process of the present utility model is equivalent to a suction pile, in not needing when it is installed the suction pile monkey buried, only need drainage pump suction water, can play the effect of grabbing a device so that the skirtboard chassis produces negative pressure and sinks by being provided with.2, the utility model can rely on the frictional resistance of suction pile pile lining and end bearing power to bear big load aspect carrying; After piling construction is finished, can carry out the leveling of integral duct frame simultaneously by the drainage pump that is connected each skirt pile sleeve or top, supravasal skirtboard chassis.3, the utility model can substitute original mud mat, grab a device and three kinds of independent structures of packer or device, has jacket simultaneously required interim anti-heavy, leveling and three functions of grouting packing are installed, and reduces cost purpose simple to operate thereby reach.4, the utility model is provided with different structures such as standard type, eccentric type, taper pile type according to the different situations of skirt pile sleeve or conduit, uses very flexible.The utility model by adopt conventional ordinary steel structure, substituted need import grab a device and grouting packer etc., it can be widely used in the process of various installation offshore platform pile foundation jackets.

Description of drawings

Fig. 1 is the utility model structural representation

Fig. 2 is the A-A generalized section of Fig. 1

Fig. 3 is the utility model user mode schematic diagram

Fig. 4 is a standard type connection diagram of the present utility model

Fig. 5 is an eccentric type connection diagram of the present utility model

Fig. 6 is the utility model structural representation in the B-B section of Fig. 5

Fig. 7 is a taper pile type connection diagram of the present utility model

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in detail.

As shown in Figure 1 and Figure 2, the utility model comprises a skirtboard chassis 1 and a drainage pump 9.Skirtboard chassis 1 comprises a top board 2, and top board 2 central authorities have a upright opening, and the edge that centers on top board 2 is provided with the outer side skirt 3 of a circle, and the centre bore that centers on top board 2 is provided with side skirt 4 in the circle, makes formation one guide hole 5 in the interior side skirt.Be provided with some radial floors 6 outside between side skirt 3 and the interior side skirt 4, between radial floor 6, be provided with the interconnective deep floor 7 of a circle.Top-side at each radial floor 6 and deep floor 7 is provided with drain hole 8, makes in the cavity that is surrounded by medial and

lateral skirtboard

4,3 to be interconnected.Top board 2 top seals on skirtboard chassis 1 connect drainage pump 9, and drainage pump 9 can be submersible pump or air-powered pump, the power source of control cable 91 connection control system of drainage pump 9.

As shown in Figure 3, Figure 4, when the utility model uses, may further comprise the steps:

1, a plurality of the utility model is enclosed within on each skirt pile sleeve 11 or conduit 12 of offshore platform pile foundation jacket 10 by the guide hole that is surrounded by interior side skirt 4 respectively, and be fixed in skirt pile sleeve 11 or conduit 12 bottoms respectively, the control cable 91 of drainage pump 9 is extended to along jacket 10 connect power source more than the water surface;

2, jacket 10 lifting entry are transferred in place, the skirtboard chassis 1 that is installed on skirt pile sleeve 11 or conduit 12 bottoms is by in the mud layer of gravity injection seabed;

3, start drainage pump 9, water in the annular housing that medial and

lateral skirtboard

4,3 and top board 2 are surrounded is discharged to beyond the top board 2, produce negative pressure in the annular housing, make jacket 10 rely on the suction injection on skirtboard chassis 1 to reach design altitude, because the mud layer pressure of the utility model bottom is greater than jacket 10 gravity, so jacket 10 can keep stable state;

4, piling 13 constructions (are pointed in the skirt pile sleeve 11 or in the conduit 12 and are squeezed into piling bar, insert it in the mud layer of seabed) finish after, start drainage pump 9 and carry out jacket 10 leveling, the process of leveling is, by producing malleation or negative pressure in the different annular housings of being pumped in of drainage pump 9, make the leveling boots produce relative lifting, thereby make jacket 10 leveling;

5, after jacket 10 reaches the design level degree, be in the milk in the hoop space between skirt pile sleeve 11 or conduit 12 and stake 13, because the stake 13 and the bottom in

skirt pile sleeve

11 or 12 spaces of main pipe are sealed by the seabed mud layer, so can not leak during the cement injection mortar.

In the process of above installation jacket 10, adopt the alternative mud mat of the prior art of the utility model, grab a device and packer device, have interim anti-heavy, leveling and three functions of grouting packing simultaneously.According to whether factor such as waterproof casing 14 is arranged near the difference of jacket 10 piling modes and the conduit 12, anti-heavy leveling boots can be selected a kind of in installation code type, eccentric type and three kinds of patterns of taper pile type:

1, as shown in Figure 4, for skirt pile sleeve 11 piling 13, and be plumb pile 13 along jacket 10, near do not have the situation of waterproof casing 14 influences, adopt guide hole 5 to be vertically set on the anti-heavy leveling boots of the The One On The Chassis standard type of skirtboard of central authorities;

2, as Fig. 5, shown in Figure 6, for piling 13 in conduit 12, conduit 12 is vertical, but near the situation of waterproof casing 14 influence is arranged, then adopt guide hole 5 vertically to be eccentrically set on the anti-heavy leveling boots of the The One On The Chassis eccentric type of skirtboard;

3, as shown in Figure 7, for piling 13 in conduit 12, conduit 12 has the situation at certain angle of inclination, then adopt guide hole 5 to be obliquely installed at the anti-heavy leveling boots of the taper pile type of skirtboard chassis 1 central authorities, at this moment, the skirtboard chassis 1 of the anti-heavy leveling boots of taper pile type, the angle of inclination of its annular inboard skirtboard 4 axis is consistent with the angle of inclination of conduit 12.

On the basis of above-mentioned three kinds of forms, can also have the 4th kind of form of structure according to actual conditions, promptly guide hole 5 tilts to be eccentrically set on the skirtboard chassis 1.These should not got rid of outside protection domain of the present utility model according to the form of structure of using needs to change.

Claims

1. anti-heavy leveling boots that are used to install offshore platform pile foundation jacket, it is characterized in that: it comprises a skirtboard chassis and a drainage pump, described skirtboard chassis comprises a top board, described top board is provided with a hole, edge around described top board is provided with the outer side skirt of a circle, be provided with side skirt in the circle around described roof hole, form a guide hole, in described, be provided with some radial floors between the outer side skirt, be provided with the interconnective deep floor of a circle between the described radial floor, top-side at each described radial floor and deep floor is provided with drain hole, make by in described, be interconnected in the cavity that outer side skirt surrounds, the top board top seal on described skirtboard chassis connects described drainage pump.

2. a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket as claimed in claim 1, it is characterized in that: described guide hole is the upright opening that is arranged on described skirtboard chassis central authorities.

3. a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket as claimed in claim 1, it is characterized in that: described guide hole is the angling hole that is arranged on described skirtboard chassis central authorities.

4. a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket as claimed in claim 1, it is characterized in that: described guide hole is the eccentric upright opening that is arranged on the described skirtboard chassis.

5. a kind of anti-heavy leveling boots that are used to install offshore platform pile foundation jacket as claimed in claim 1, it is characterized in that: described guide hole is the eccentric angling hole that is arranged on the described skirtboard chassis.