CN218508441U - Skirt-type auxiliary leveling device in suction pile penetration process and suction pile - Google Patents

Skirt-type auxiliary leveling device in suction pile penetration process and suction pile Download PDF

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Publication number
CN218508441U
CN218508441U CN202222249113.8U CN202222249113U CN218508441U CN 218508441 U CN218508441 U CN 218508441U CN 202222249113 U CN202222249113 U CN 202222249113U CN 218508441 U CN218508441 U CN 218508441U
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China
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suction pile
skirt
leveling device
suction
type auxiliary
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CN202222249113.8U
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汪明元
鹿群
汪阳
倪振凯
王宽君
王雪松
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PowerChina Huadong Engineering Corp Ltd
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PowerChina Huadong Engineering Corp Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/727Offshore wind turbines

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Abstract

The utility model provides a skirt-type auxiliary leveling device and a suction pile in the process of sinking and penetrating the suction pile, the skirt-type auxiliary leveling device comprises an annular cavity, the lower end of the annular cavity is hollow, the upper end of the annular cavity is provided with a connecting steel plate, the connecting steel plate is used for connecting the skirt-type auxiliary leveling device to the top of the suction pile, and the connecting part of the connecting steel plate and the top of the suction pile covers less than half of the circumferential edge of the top of the suction pile; the main body of the annular cavity surrounds the periphery of the suction pile; and the upper end of the annular cavity is provided with a water pumping hole which is communicated with a vacuum pumping device. The utility model can improve the uneven sinking condition in the negative pressure sinking process of the suction pile and ensure the suction pile to sink vertically and stably; furthermore, the utility model provides a leveling device is assisted to skirt-type need not change the structure of suction stake itself.

Description

Skirt type auxiliary leveling device in suction pile penetration process and suction pile
Technical Field
The utility model belongs to the civil engineering field, in particular to suction stake sinks and runs through supplementary levelling device of skirt formula and suction stake of in-process, is applicable to the suction stake and sinks to run through the in-process because the circumstances such as soil plug, atress are inhomogeneous leads to the circumstances of pile body slope.
Background
Offshore wind power development has been highly valued by various countries, and as a foundation of offshore wind power, the suction pile has a wide application prospect. At present, in the process of sinking and penetrating a suction pile, due to the conditions of soil blockage, seepage and the like, the situation that the pile body inclines in the process of sinking the suction pile under negative pressure easily occurs. The inclination can cause the pile body to sink to the unexpected depth, and the overall stability and the bearing capacity of the suction pile are seriously influenced.
Therefore, there is a need to provide an auxiliary leveling device during the sinking process of a suction pile to solve the inclination problem that may occur during the sinking process of the suction pile.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first aim at to exist among the prior art not enough, provides a suction stake sinks to run through supplementary levelling device of skirt formula of in-process.
For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:
the utility model provides a suction pile sinks and passes through supplementary levelling device of skirt formula of in-process which characterized in that: the skirt-type auxiliary leveling device comprises an annular cavity, the lower end of the annular cavity is hollow, a connecting steel plate is arranged at the upper end of the annular cavity and used for connecting the skirt-type auxiliary leveling device to the top of the suction pile, and the connecting part of the connecting steel plate and the top of the suction pile covers less than half of the circumferential edge of the top of the suction pile;
the main body of the annular cavity surrounds the periphery of the suction pile, and the annular cavity is close to the periphery of the suction pile;
and the upper end of the annular cavity is provided with a water pumping hole which is communicated with a vacuum pumping device.
When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:
as an optimal technical solution of the utility model: the water pumping hole is arranged at the top of the annular cavity.
As an optimal technical solution of the utility model: the radian formed by the annular cavity is 90-120 degrees.
As an optimal technical solution of the utility model: the top surface of the annular cavity and the connecting steel plate form a sector, and the radian of the sector is 90-120 degrees.
As a preferred technical solution of the utility model: the connecting steel plate is a fan-shaped circular ring, the connecting position of the fan-shaped circular connecting steel plate and the suction pile covers the edge of the top surface of the suction pile, and the radian of the fan-shaped circular ring ranges from 90 degrees to 120 degrees.
As an optimal technical solution of the utility model: the vertical length from the upper end to the lower end of the annular cavity is 40-60% of the height of the suction pile.
As an optimal technical solution of the utility model: the suction pile top is equipped with many iron columns, the junction of connecting steel sheet and suction pile top is equipped with a plurality of connection round holes, connect the round hole and agree with the iron column mutually in order to cover the iron column at suction pile top under the negative pressure effect respectively.
As a preferred technical solution of the utility model: the top of iron prop is equipped with the upper portion round hole, the upper portion round hole is used for being connected with the snak link on the steel cable to can realize assisting levelling device with the skirt along its steel cable that connects the round hole and pass, accurate location is to one side of the suction stake of required leveling.
The utility model discloses still another aim at to exist among the prior art not enough, provides a novel suction stake.
For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:
the utility model provides a suction stake, suction stake includes suction stake body, its characterized in that: the periphery of the suction pile body is provided with at least one skirt-type auxiliary leveling device in the suction pile penetration process, and the top of the skirt-type auxiliary leveling device is connected with the top of the suction pile through a connecting steel plate.
The utility model provides a skirt-type auxiliary leveling device and a suction pile in the process of sinking the suction pile, which can improve the uneven sinking condition in the process of negative pressure sinking of the suction pile and ensure the suction pile to sink vertically and stably; the skirt-type auxiliary leveling device is made of a material which is consistent with that of the suction pile, is usually steel or concrete, and can ensure good negative pressure performance in the same marine environment; compared with the warehouse-dividing leveling method, the skirt-type auxiliary leveling device provided by the utility model has lower manufacturing cost; the skirt-type auxiliary leveling device provided by the utility model can remove the connection between the skirt-type auxiliary leveling device and the suction pile by inflating the annular cavity body of the skirt-type auxiliary leveling device after the leveling of the suction pile is realized, and the circular recycling is realized by recycling the steel cable; furthermore, the utility model provides a leveling device is assisted to skirt-type need not change the structure of suction stake itself.
Drawings
FIG. 1 is a cross-sectional view of a suction pile and a skirt-type auxiliary leveling device;
FIG. 2 is a top view of one form of suction pile and skirt auxiliary leveling device;
FIG. 3 is a perspective view of a suction pile and a skirt-type auxiliary leveling device;
in the figure: 100-suction piles; 110-iron column; 111-upper circular hole; 120-drainage holes are arranged on the suction piles; 200-a skirt-type auxiliary leveling device; 210-an annular cavity; 211-water pumping holes on the skirt type auxiliary leveling device; 220-connecting steel plates; 221-connecting round hole.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A skirt-type auxiliary leveling device 200 in the process of sinking a suction pile 100 comprises an annular cavity 210, the lower end of the annular cavity 210 is hollow, the upper end of the annular cavity 210 is provided with a connecting steel plate 220, the connecting steel plate 220 is used for connecting the skirt-type auxiliary leveling device 200 to the top of the suction pile 100, and the connecting part of the connecting steel plate 220 and the top of the suction pile 100 covers less than half of the circumferential edge of the top of the suction pile 100;
the main body of the annular cavity 210 surrounds the periphery of the suction pile 100, and the annular cavity 210 is close to the periphery of the suction pile 100;
the upper end of the annular cavity 210 is provided with a water pumping hole 211, and the water pumping hole 211 is communicated with a vacuum pumping device or an air charging device.
In this embodiment: the drainage hole 211 is disposed at the top of the annular chamber 210 for facilitating connection and operations such as vacuum pumping and air inflation.
In this embodiment: the connecting steel plate 220 is a fan-shaped circular ring, the connecting part of the fan-shaped circular ring-shaped connecting steel plate 220 and the suction pile 100 covers the edge of the top surface of the suction pile 100, the radian of the fan-shaped circular ring is 90-120 degrees, as shown in fig. 2, and fig. 2 is a form that the radian is 90 degrees; of course, in other embodiments, the arc formed by the annular cavity 210 may also be 90 ° -120 °; or the top surface of the annular cavity 210 and the connecting steel plate 220 are integrated into a sector, and the radian of the sector is 90-120 degrees.
In this embodiment: the vertical length from the upper end to the lower end of the annular cavity 210 is 40-60% of the height of the suction pile 100.
In this embodiment: the top of the suction pile 100 is provided with a plurality of iron columns 110, the joint of the connecting steel plate 220 and the top of the suction pile 100 is provided with a plurality of connecting circular holes 221, and the connecting circular holes 221 are respectively matched with the iron columns 110 so as to sleeve the iron columns 110 at the top of the suction pile 100 under the action of negative pressure.
In this embodiment: the top of the iron column 110 is provided with an upper circular hole 111, and the upper circular hole 111 is used for being connected with a spring fastener (i.e. a lock catch or a snap ring) on the steel cable, so that the skirt-type auxiliary leveling device 200 can be accurately positioned to one side of the suction pile 100 to be leveled along the steel cable passed through by the connecting circular hole 221.
The utility model also provides a suction stake 100 with leveling device 200 is assisted to skirt formula, including suction stake 100 body, the week side of suction stake 100 body is equipped with at least one skirt formula and assists leveling device 200, and the top of the supplementary leveling device 200 of skirt formula is connected with the top of suction stake 100 through connector plate 220, and suction stake 100 top central authorities also are equipped with one and take out wash port 120.
Specifically, the skirt-type auxiliary leveling device levels the suction pile in the following manner:
s1, manufacturing a plurality of skirt-type auxiliary leveling devices with different vertical lengths so as to correspond to different depths of penetration of a pile body when the suction pile is inclined in the penetration process, and conveniently selecting a proper length skirt-type leveling device;
s2, in the process of sinking and penetrating the suction pile, whether the pile body of the suction pile is inclined or not can be detected through a remote control unmanned submersible vehicle or an inclination angle sensor;
s3, when the inclination of the pile body of the suction pile is detected, the steel cable is lowered from the sea surface, and a spring fastener on the steel cable can be opened through a remote control unmanned submersible vehicle to be respectively connected with an iron column on the top surface of the suction pile;
s4, enabling a connecting round hole in the skirt-type auxiliary leveling device to penetrate through a steel cable connected to a pile body on one side with small sedimentation, sliding the skirt-type auxiliary leveling device down to the position close to the suction pile along the steel cable, and butting with an iron column on the top surface of the suction pile through the connecting round hole in the skirt-type auxiliary leveling device to complete installation of the skirt-type auxiliary leveling device;
s5, vacuumizing the annular cavity through vacuumizing equipment communicated with a water pumping and draining hole in the skirt-type auxiliary leveling device, and giving downward pressure to the side with small sedimentation of the suction pile so as to ensure that the suction pile uniformly sinks in the penetration process;
s6, the annular cavity body is inflated through the drainage hole in the skirt-type auxiliary leveling device, so that the skirt-type auxiliary leveling device is separated from the suction pile, the spring fastener buckled with the iron column on the suction pile on the positioning steel cable is opened through the remote control unmanned submersible vehicle to unlock the steel cable, and the steel cable is lifted to recover the skirt-type auxiliary leveling device, so that the recovery and the reutilization are realized.
The above detailed description is provided to explain the present invention, and is only a preferred embodiment of the present invention, rather than limiting the present invention, and all modifications, equivalent replacements, improvements, etc. made by the present invention are within the scope of the present invention.

Claims (9)

1. The utility model provides a leveling device is assisted to skirt formula that suction stake sinks to pass through in-process which characterized in that: the skirt-type auxiliary leveling device comprises an annular cavity, the lower end of the annular cavity is hollow, a connecting steel plate is arranged at the upper end of the annular cavity and used for connecting the skirt-type auxiliary leveling device to the top of the suction pile, and the connecting part of the connecting steel plate and the top of the suction pile covers less than half of the circumferential edge of the top of the suction pile;
the main body of the annular cavity surrounds the periphery of the suction pile, and the annular cavity is close to the periphery of the suction pile;
and the upper end of the annular cavity is provided with a water pumping hole which is communicated with a vacuum pumping device.
2. The skirt-type auxiliary leveling device in the process of sinking a suction pile according to claim 1, wherein: the water pumping hole is arranged at the top of the annular cavity.
3. The skirt-type auxiliary leveling device in the suction pile penetration process according to claim 1, wherein: the radian formed by the annular cavity is 90-120 degrees.
4. The skirt-type auxiliary leveling device in the process of sinking a suction pile according to claim 1, wherein: the top surface of the annular cavity and the connecting steel plate form a sector, and the radian of the sector is 90-120 degrees.
5. The skirt-type auxiliary leveling device in the process of sinking a suction pile according to claim 1, wherein: the connecting steel plate is a fan-shaped circular ring, the connecting position of the fan-shaped circular connecting steel plate and the suction pile covers the edge of the top surface of the suction pile, and the radian of the fan-shaped circular ring ranges from 90 degrees to 120 degrees.
6. The skirt-type auxiliary leveling device in the process of sinking a suction pile according to claim 1, wherein: the vertical length from the upper end to the lower end of the annular cavity is 40 to 60 percent of the height of the suction pile.
7. The skirt-type auxiliary leveling device in the suction pile penetration process according to claim 1, wherein: the suction pile top is equipped with many iron columns, the junction of connecting steel sheet and suction pile top is equipped with a plurality of connecting round holes, the connecting round hole agrees with the iron column respectively mutually.
8. The skirt-type auxiliary leveling device in the process of sinking a suction pile according to claim 7, wherein: the top of iron prop is equipped with the upper portion round hole, the upper portion round hole is used for being connected with the snak link on the steel cable.
9. The utility model provides a suction stake, suction stake includes suction stake body, its characterized in that: at least one skirt type auxiliary leveling device in the sinking process of the suction pile according to any one of claims 1 to 8 is arranged on the periphery of the suction pile body, and the top of the skirt type auxiliary leveling device is connected with the top of the suction pile through a connecting steel plate.
CN202222249113.8U 2022-08-25 2022-08-25 Skirt-type auxiliary leveling device in suction pile penetration process and suction pile Active CN218508441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222249113.8U CN218508441U (en) 2022-08-25 2022-08-25 Skirt-type auxiliary leveling device in suction pile penetration process and suction pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222249113.8U CN218508441U (en) 2022-08-25 2022-08-25 Skirt-type auxiliary leveling device in suction pile penetration process and suction pile

Publications (1)

Publication Number Publication Date
CN218508441U true CN218508441U (en) 2023-02-21

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ID=85210220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222249113.8U Active CN218508441U (en) 2022-08-25 2022-08-25 Skirt-type auxiliary leveling device in suction pile penetration process and suction pile

Country Status (1)

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CN (1) CN218508441U (en)

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