TWI691647B - Equipment and method for controlling simultaneous release and posture adjustment and securing release of underwater base - Google Patents

Abstract

Device and method for controlling simultaneous setting and posture adjustment and fixing release of underwater base, which is to place an underwater base in the accommodating space of a buoy, and fix it through a plurality of first winches, and then The underwater base and the buoy are transported to a predetermined position on the water, and the underwater base is hung by a main crane, so that the main crane and the buoy share the weight of the underwater base, and then the underwater base is carried out The sinking of the seat, the first winch and the main crane are controlled by a synchronous release control system and a main crane compensation system to control the release speed of the first winch and the main crane, thereby enabling When the underwater base is lowered, it can be vertically set, which increases the safety and stability of the underwater base in the sinking operation.

Description

Equipment and method for controlling simultaneous release and posture adjustment and securing release of underwater base

The invention relates to an installation method of an underwater base, in particular to an equipment and a method for controlling the simultaneous setting and posture adjustment and release of an underwater base.

There are many ways to generate electricity, including thermal power generation, nuclear power generation, solar power generation and wind power generation. Among them, wind power generation uses wind generated by nature to generate electrical energy, and it has low construction cost, no exhaust gas or waste generation, etc. The advantage is that it can effectively create a low-carbon environment of green energy and gradually move towards non-nuclear homes. The offshore wind has the advantages of long wind period, high wind speed, stable wind, no shelter and no impact on the environmental landscape. The installation of wind racks on shore has gradually become the main trend of wind power generation.

In recent years, offshore wind power generation has been actively developed at home and abroad, and it is developing toward deep water areas, which makes the underwater base of the fan larger and the weight of the underwater base will exceed 1,000 tons. However, barges are currently used to transport underwater From the base to the construction site, the underwater base will be laid horizontally to the sea when it is installed. At this time, the underwater base at sea will float due to its own buoyancy or the action of an external buoy, and the bottom of the underwater base It will sink into the sea due to its own weight, so that the underwater base will assume a standing posture, then be straightened by a hanging system, and then the underwater base will be installed and sunk to underwater positioning, and then post-pile work will be carried out to fix the underwater In the above process, the position of the underwater base is not easy to control, which causes instability when the underwater base sinks, and also reduces the accuracy. The above shortcomings and the construction sequence are different. The installation method of the existing underwater base is really necessary for improvement. The invention of this case is aimed at conforming to the construction conditions of pre-piling, and the vertical downward installation is the best form, and considering that the domestic construction equipment has insufficient energy, it is necessary to rely on the floating With the reduction of the weight of the underwater base, the invention has been produced.

The purpose of the present invention is to provide a device and method for synchronous sinking and posture adjustment and release control of an underwater base in a vertical downward manner, so as to increase the safety and stability of the underwater base sinking operation Sex.

In order to achieve the above-mentioned object, the device for controlling the simultaneous settling and posture adjustment fastening release of the underwater base provided by the present invention includes: the underwater base is provided with at least a first sensor; a float, the The top surface of the buoy is provided with a plurality of first winches corresponding to the feet for securing the feet, and the first winches are connected to a synchronous release control system, and the first winches In the machine, one of the winches is connected with an active control compensation system, and as the active control winch, the other is connected with a passive compensation system, which is used as a passive winch, and the top surface of the float There are a plurality of second winches, which are used to fix the buoy on the sea, and the buoy is provided with at least a second sensor; a main crane, which is installed on the underwater base At one side of the location, the main crane is connected to a main crane compensation hydraulic system, wherein both the first sensor and the second sensor are connected to the synchronous release control system and the main crane compensation hydraulic system.

In order to achieve the above purpose, the method for simultaneous setting and posture adjustment and release control of an underwater base provided by the present invention includes the following steps: 1. Preparation steps: preparing an underwater base There are a plurality of feet, and the underwater base is arranged in the accommodating space of the buoy in a vertical standing manner, and the feet and the main crane are fixed to the underwater base through the steel cables of the first winches At the upper end, a plurality of pre-piling piles are buried corresponding to the legs at a predetermined position under the water, so that the legs of the underwater base can be installed and fixed; 2. After the floating dock is secured, the step of sinking: the underwater foundation After the pedestal is fixed to the buoy, it is transported and positioned by a floating dock, and sinks to a certain depth. At this time, the buoy will float on the sea surface due to its own buoyancy, and the underwater base will stand due to gravity Simultaneously sink in the floating dock; 3. Step away from the floating dock until positioning: When the floating dock sinks to the set depth, the float will tighten each first winch and disengage the bottom of the underwater base Floating dock ship, at this time the floating dock mooring system will be recovered and leave; 4. Floating pontoon fixing step: mooring and positioning the floating pontoon with the anchoring system of the second winches; 5. Underwater Base sinking step: the first winch and the main crane control each of the first winches based on the information obtained by the buoy and the sensor of the underwater base through the synchronous release control system The length of the steel cable and the casting speed of the main crane enable the underwater base to be synchronously set in a vertical manner, and during the settling process, if the buoy is displaced due to wind wave currents, the second winches will be carried out Floating gear positioning work; 6. Complete the installation steps: sleeve the base of the underwater base with the pre-pile, and then complete the installation.

The equipment and method for synchronous settling and posture adjustment and release control of underwater base provided by the present invention control the first winch and the main crane through the synchronous release control system and the main crane compensation hydraulic system The casting speed and the compensation effect enable the underwater base to be deposited in a vertical manner, reduce the occurrence of offset, and increase the safety and stability of the underwater base for sinking operations.

Please refer to FIG. 1, which is a perspective view of the assembly of the underwater base and the buoy according to the preferred embodiment of the present invention, which discloses an underwater base 200 that is used to carry a fan ( (Not shown), the underwater base 200 has a top 201 for carrying a fan, and the underwater base 200 is provided with a plurality of feet 202 below, which can be used to support and be installed under the water On piling, the main features of the control equipment of the present invention are:

The underwater base 200 is provided with at least a first sensor 203. The first sensor 203 can be located at the center of gravity or the top of the underwater base 200. In this embodiment, it is located on the At the top 201 of the underwater base 200, the first sensor 203 may be one of a motion sensor, a gyroscope, or a displacement sensor.

A buoy 10, please also refer to the illustration shown in FIG. 2, the buoy 10 has a hollow accommodating space 11, one side of the buoy 10 is provided with an opening 12, the opening 12 is connected to the accommodating The space 11 makes the buoy 10 generally U-shaped, and the buoy 10 is provided with a first winch 13 at the top facing the legs 202 corresponding to the underwater base 200, and each first winch 13 has One steel cable 131 can be stored and retracted, and each first winch 13 is controlled by a pump-controlled hydraulic motor to control the operation of the steel cable 131. Please refer to FIG. 3 again. These first winches 13 are all connected together. Synchronous release control system 20, and among the first stranding machines 13, one of the stranding machines 13 is connected to an active control compensation system 132, and as the active control stranding machine, the rest are connected to a passive compensation system 133, respectively As a passive winch, a plurality of second winches 14 are provided on the top surface of the buoy 10, and each second winch 14 has a steel cable 141 that can be retracted to make the second winches 14 available To fix the buoy 10 on the sea, and at least a second sensor 15 is provided on the buoy 10, the second sensor 15 is located at the center of gravity of the buoy 10, and the second sensor The sensor 15 may be one of a motion sensor, a gyroscope, or a displacement sensor.

A main crane 30, please refer to FIG. 4 again, the main crane 30 is installed at the installation position of the underwater base 200, the main crane 30 has a hook 31, please refer to FIG. 3 again As shown, the main crane 30 is connected to a main crane compensation hydraulic system 32.

Wherein, the first sensor 203 and the second sensor 15 are electrically connected to the synchronous release control system 20 and the main crane compensation hydraulic system 32, so that the first sensor 203 and the second sensor The device 15 can transmit the change of the center of gravity offset of the underwater base 200 and the buoy 10 to the synchronous release control system 20 and the main crane compensation hydraulic system 32 respectively, so that the synchronous release control system 20 and the main The crane compensation hydraulic system 32 can automatically compensate in time to control the length of each steel cable 131 of each first winch 13 and the release speed of the main crane 30 to achieve the synchronous sinking effect.

In this way, the first winch 13 and the main crane 30 can respectively maintain the vertical stability of the underwater base 200 when the submerged base 200 is sunk by the synchronous release control system 20 and the main crane compensation hydraulic system 32 The sinking increases the safety and stability of the sinking operation of the underwater base 200.

Please refer to FIG. 5 again, which is a flow chart of a preferred embodiment of the present invention, which discloses a method for controlling simultaneous release and posture adjustment and fixation and release of an underwater base, and includes the following steps:

1. Preparation steps: Prepare the underwater base 200, which has a plurality of feet 202, and the underwater base 200 is provided in the accommodating space 11 of the buoy 10 in a vertical standing manner, and The steel wires 131 of the first winches 13 are used to fasten the legs 202, and a plurality of pre-pile piles 400 are buried corresponding to the legs 202 at a predetermined position under water for the legs of the underwater base 200 202 fixed installation.

2. The step of sinking the floating dock ship after securing: Please refer to Figure 6 and Figure 7 to fix the underwater base 200 to the buoy 10, and then use a floating dock ship 300 to fix the water The lower base 200 and the buoy 10 are transported from a shore 500 to a predetermined position on the sea and moored for positioning. The main crane 30 hangs the upper end of the underwater base 200 with a hook 31 to make the main crane 30 and the The buoy 10 shares the weight of the underwater base 200, and then sinks the floating dock 300 to a certain depth. At this time, the buoy 10 will float on the sea surface due to its own buoyancy, and the underwater base 200 It will stand on the floating dock 300 due to gravity and sink simultaneously.

3. The floating dock boat leaves the step after being positioned: please refer to the figure 8 for further cooperation. When the floating dock boat 300 sinks to the set depth, the buoy 10 will tighten each first winch 13 and make the underwater The bottom of the base 200 is separated from the floating dock 300, and the mooring system of the floating dock 300 will be recovered and leave the underwater base 200 at this time.

4. Steps for fixing the buoyancy system: Please refer to the figure 9 for the mooring and positioning of the buoyancy system 10 with the steel cables 141 of the second winches 14.

5. The step of sinking the underwater base: the first winch 13 and the main crane 30 with the synchronous release control system 20 and the main crane compensation hydraulic system 32, according to the first sense of the underwater base 200 The information obtained by the sensor 203 and the second sensor 15 of the buoy 10 controls the length of each cable 131 of the first winch 13 and the casting speed of the main crane 30, so that the underwater base 200 can be synchronized in a vertical manner During the sinking process, if the buoy 10 is displaced due to wind wave currents, the second winches 14 will perform the buoy 10 positioning work.

6. Complete the installation steps: please refer to Figure 10, the underwater base 200 is synchronously sunk until the legs 202 of the underwater base 200 and the pre-pile 400 are nested separately, and then The steel cables 131 of the first winches 13 and the hooks 31 of the main crane 30 are separated from the underwater base 200 respectively, so that the installation work is completed.

It is worth mentioning that the synchronous release control system 20 controls the force of the first winch 13 and the main crane 30 according to the wind wave current environment, and its maximum speed can reach 4.8m/min, so that the underwater When the base 200 is lowered, it can maintain the output and perform automatic compensation at the same time, so that the underwater base 200 can maintain a vertical posture and reduce the occurrence of offset, and meet the requirements under the sea condition of 1.0m high of the meaningful wave, to ensure that the auxiliary Waiting for the first winch 13 and the underwater base 200 to be lowered and fixed at the same time, it can ensure the stability and safe operation of the underwater base 200 during the sinking process, and successfully complete the installation operation.

Hereby, the characteristics of the present invention and the achievable expected effects are stated as follows:

1. The device and method for the simultaneous sinking and posture adjustment fastening control provided by the underwater base provided by the present invention is to set the underwater base 200 in the accommodating space 11 of the buoy 10 and pass through The first winches 13 are secured, and the main crane 30 hangs the top of the underwater base 200 so that the main crane 30 and the buoy 10 share the weight of the underwater base 200, and then through the The synchronous release control system 20 and the main crane compensation hydraulic system 32 control the length of each steel cable 131 of the first winch 13 and the release speed of the main crane 30 according to the wind wave current environment, and perform automatic compensation to make the underwater base The base 20 can maintain a vertical posture when lowered, so that the underwater base 200 can reduce the occurrence of offset, and increase the safety and stability of the underwater base 200 in sinking operations.

2. The present invention enables the underwater base 200 to be installed in an upright manner, and with the setting of the buoy 10, the auxiliary buoy 10 can assist the main crane 30 to attach the underwater base 200 during the installation operation Positioning in the sea can also sink the underwater base 200 to a certain depth of water, so that the position of the overall center of gravity is lowered, and stability and safety are improved.

In summary, the present invention has its excellent progress and practicality in similar products. At the same time, it has searched the technical information about this kind of structure at home and abroad, and the same structure has not been found in the literature. Therefore, The present invention already possesses the essentials of the invention patent, and the application is filed according to law.

However, the above is only one of the preferred and feasible embodiments of the present invention. Therefore, any equivalent structural changes that apply to the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

10: float

11: accommodating space

12: opening

13: First twisting machine

131: Steel cable

132: Active control compensation system

133: Passive compensation system

14: Second twisting machine

141: Steel cable

15: Second sensor

20: Synchronous release control system

30: main crane

31: Steel cable

32: Main crane compensation hydraulic system

200: underwater base

201: top

202: feet

203: the first sensor

300: floating dock ship

400: Pre-piling

500: Intershore

Figure 1 is a perspective view of the assembly of the underwater base and the buoy according to the preferred embodiment of the present invention. Figure 2 is a perspective view of a float according to a preferred embodiment of the present invention. FIG. 3 is a control schematic diagram of the release control system of the preferred embodiment of the present invention. Figure 4 is a schematic diagram of the main crane of the preferred embodiment of the present invention. Figure 5 is a flowchart of a preferred embodiment of the present invention. FIG. 6 is a schematic diagram of the underwater pedestal and pontoon boarding of a preferred embodiment of the present invention. FIG. 7 is a schematic diagram of the main crane hanging the underwater base according to the preferred embodiment of the present invention. FIG. 8 is a schematic diagram of the underwater base sinking according to the preferred embodiment of the present invention. Figure 9 is a schematic diagram of the positioning of the pontoon mooring according to the preferred embodiment of the present invention. Fig. 10 is a schematic diagram of the nesting of the underwater base and the pre-pile in accordance with the preferred embodiment of the present invention.

Claims (7)

An underwater base synchronous sinking and posture adjustment securing release control device is applied to the sinking of an underwater base, the underwater base has a top for carrying a fan, and the underwater base The bottom is provided with a plurality of feet, the main feature is that: the underwater base is provided with at least a first sensor; a buoy, the top surface of the buoy is provided with a plurality of first strands corresponding to the feet Machine for securing the legs, the first twisting machine is connected to a synchronous release control system, and one of the first twisting machines is connected to an active control compensation system. It is an active control winch, and the rest are connected with a passive compensation system. As a passive winch, there are a plurality of second winches on the top surface of the buoy. These second winches are used to fix The buoy is on the sea surface, and the buoy is provided with at least a second sensor, which is located at the center of gravity of the buoy; a main crane is installed at the installation position of the underwater base On one side, the main crane is connected to a main crane compensation hydraulic system; wherein, both the first sensor and the second sensor are connected to the synchronous release control system and the main crane compensation hydraulic system. The device for controlling simultaneous placement and posture adjustment and securing release of an underwater base according to item 1 of the scope of the patent application, wherein the first sensor and the second sensor may be a motion sensor or a gyroscope Or one of the displacement sensors. According to the equipment for controlling simultaneous release and posture adjustment and fastening of an underwater base according to item 1 of the scope of the patent application, wherein the first sensor is provided on the top of the underwater base. The equipment for controlling simultaneous release and posture adjustment and securing release of an underwater base according to item 1 of the patent application scope, wherein the buoy is generally U-shaped and has a hollow accommodating space, and one of them The side is provided with an opening, and the opening communicates with the accommodating space. An underwater base synchronous sinking and attitude adjustment fastening release control method, which uses the underwater base synchronous sinking and attitude adjustment fastening release control equipment as described in item 1 of the patent application scope, and includes There are the following steps: 1. Preparation steps: prepare the underwater base, the underwater base has a plurality of feet, and the underwater base is provided in a vertical standing manner in the accommodating space of the buoy, and through these The first winch fixes the feet and the main crane hangs the upper end of the underwater base, and a plurality of pre-piles are buried corresponding to the feet at predetermined positions under the water to support the underwater base Feet installation and fixation; 2. Sinking step after securing the floating dock ship: After fixing the underwater base to the buoy, transport and positioning with a floating dock ship, and sinking to a certain depth, this time The buoy will float on the sea surface due to its own buoyancy, and the underwater base will stand on the floating dock ship due to gravity and sink simultaneously; 3. The floating dock ship leaves the step after positioning: when the floating dock ship is off After the sink reaches the set depth, the buoy will tighten each first winch and pull the bottom of the underwater base away from the floating dock ship, and drive the floating dock ship away; The buoy is moored and positioned by the second winches; 5. Underwater base sinking step: the first winches and the main crane are controlled by the synchronous release control system according to the The information obtained by a sensor and the second sensor of the buoy controls the length of each cable of the first winch and the casting speed of the main crane, so that the underwater base can be synchronized in a vertical manner Settling, and during the settling process, if the buoy is displaced due to wind wave currents, the second winches will perform buoy positioning work; 6. Complete the installation steps: the feet of the underwater base The installation is completed when the pre-pile is engaged. A method for controlling simultaneous release and posture adjustment and securing of an underwater base according to item 6 of the patent application scope, wherein, in the preparation step, the first winch and the main crane can jointly carry more than 1,000 tons The weight of the underwater base. A method for controlling simultaneous release and posture adjustment and securing of an underwater base according to item 6 of the patent application scope, wherein, in the underwater base setting step, the first winch and the main crane are both It is driven by a pump-controlled hydraulic motor.

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