CN218116384U

CN218116384U - Underwater positioning pile inserting and pulling system

Info

Publication number: CN218116384U
Application number: CN202222495625.2U
Authority: CN
Inventors: 周宏勤
Original assignee: Shandong Hongzhou Offshore Engineering Co ltd
Current assignee: Shandong Hongzhou Offshore Engineering Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2022-12-23
Anticipated expiration: 2032-09-21

Abstract

The utility model discloses an underwater positioning pile inserting and pulling system, which comprises a pile leg lifting mechanism, a hydraulic driving unit and an electric control unit, wherein the pile leg lifting mechanism comprises a lifting unit and a pile leg matched with the lifting unit; the hydraulic driving unit is connected with the lifting unit and provides power for the lifting unit; the electric control unit is electrically connected with the hydraulic driving unit and the pile leg lifting mechanism, monitors the state of the pile leg and controls the hydraulic driving unit according to the state of the pile leg. The system enables the offshore operation ship or platform to have flexibility, stability and safety at the same time, reduces the traditional anchoring process, and greatly improves the working efficiency of the operation ship platform.

Description

Underwater positioning pile inserting and pulling system

Technical Field

The utility model relates to a marine engineering equipment technical field especially relates to an underwater positioning pile inserting and pulling system.

Background

Offshore wind farms are typically built on offshore wind power at a depth of about 10 meters. Compared with a land wind power plant, the offshore wind power plant has the advantages that land resources are not occupied, the influence of landforms and landforms is avoided basically, the wind speed is higher, the wind energy resources are richer, the single-machine capacity of the wind generation set is larger, and the annual utilization hours are higher. In order to facilitate the construction and maintenance of offshore wind farms, installation vessels with hoisting capability are generally required as main operating equipment.

The semi-submersible bottom-sitting type mounting platform is one of the semi-submersible bottom-sitting type mounting platforms, and is in a bottom-sitting, semi-submersible or floating state through the ballast state of the ballast tank, so that the operation and towing are facilitated. For example, a multifunctional crane ship with floating, semi-submerged and bottom-sitting functions is disclosed in the utility model with publication number CN 213594477U. The utility model discloses a technical scheme who provides is through total amount and the distribution that changes the ballast water change the total weight and the focus position of engineering ship to realize floating, semi-submerged and sit the end function, can adapt to various engineering project sea conditions, but greatly reduced construction cost and improvement efficiency of construction. Meanwhile, the patent also discloses that a positioning pile and a corresponding pile hole are arranged on the ship body, and the anti-sliding function of the ship body in a bottom-seated state can be realized by inserting the positioning pile into the pile hole. Because this spud pile carries out the stake location through gravity, positioning effect is poor, and the pile of pressure-pulling simultaneously is uncontrolled.

Therefore if can sit end formula mounting platform for semi-submerged provides one kind and can insert the system of pulling out the stake automatically, realize sitting the end back and carry out the location under water when mounting platform in aqueous, simultaneously can be convenient insert the pulling out stake, must can promote the flexibility and the stability of this type mounting platform operation in aqueous.

SUMMERY OF THE UTILITY MODEL

The utility model aims at disclosing a pile pulling system is inserted in location under water sets up on semi-submerged sits end formula mounting platform for control the guide pile, realize making marine operations boats and ships or platform possess flexibility, stability and security simultaneously, reduced the process that traditional was thrown the anchor, improved the work efficiency of operations boats and ships platform greatly.

In order to achieve the effect, the application discloses an underwater positioning pile inserting and pulling system, which comprises a pile leg lifting mechanism, a hydraulic driving unit and an electric control unit,

the pile leg lifting mechanism comprises a lifting unit and a pile leg matched with the lifting unit;

the hydraulic driving unit is connected with the lifting unit and provides power for the lifting unit;

and the electric control unit is electrically connected with the hydraulic driving unit and the pile leg lifting mechanism, monitors the state of the pile leg and controls the hydraulic driving unit according to the state of the pile leg.

Furthermore, spud leg elevating system is including setting up in sealed cabin and being used for controlling and leading the last guide structure and the guide structure down of spud leg, and the upside of going up the guide structure and the downside of guide structure down are equipped with the wedge respectively soon, still including setting up the lift unit between last guide structure and the guide structure down, the lift unit includes the gear that climbs that power unit drove, the gear that climbs with set up the spud leg rack toothing on the spud leg.

Furthermore, a rotary encoder is arranged on the lifting unit and electrically connected with the electric control unit.

Furthermore, the power unit comprises a hydraulic motor and a gear box, the hydraulic motor is connected with the hydraulic driving unit, and the power unit is arranged on the lifting unit support assembly.

Furthermore, the electric control units are arranged into a group, and the four groups of pile leg lifting mechanisms and the hydraulic drive units are arranged on the left and right of the ship body or the platform bow and stern in a one-to-one correspondence manner.

The beneficial effects of the utility model include:

the utility model discloses make the plug stake become more quick nimble convenient. When the pile legs are pulled up and retracted, the ship or the platform can move; after the ship or the platform reaches a target operation area, the lifting system puts the pile legs down and inserts the pile legs into the seabed, and the ship or the platform is anchored at the position and fixed, so that operation can be carried out. The system enables the offshore operation ship or platform to have flexibility, stability and safety at the same time, reduces the traditional anchoring process, and greatly improves the working efficiency of the operation ship platform.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic diagram of the system of the present invention.

Fig. 2 is a structural diagram of the pile leg lifting mechanism of the present invention.

Fig. 3 is a plan view of the pile leg lifting mechanism of the present invention.

In the figure: 1. a wedge block; 2. an upper guide structure; 3. guiding pile legs; 4. a lifting unit; 5. a lower guide structure; 6. sealing the cabin; 7. a rotary encoder; 8. a lifting unit bracket assembly; 31. A leg rack; 41. a climbing gear; 100. A pile leg lifting mechanism; 200. a hydraulic drive unit; 300. an electronic control unit.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings, which are provided for illustration purposes only to help understanding the present invention and are not to be construed as limiting the present invention.

As shown in fig. 1, an underwater pile positioning and pulling system comprises a leg lifting mechanism 100, a hydraulic drive unit 200 and an electric control unit 300,

the pile leg lifting mechanism comprises a lifting unit 4 and a pile leg 3 matched with the lifting unit;

the electric control unit is electrically connected with the hydraulic driving unit and the pile leg lifting mechanism, monitors the state of the pile leg and controls the hydraulic driving unit according to the state of the pile leg.

Preferably, as shown in fig. 2 to 3, the pile leg lifting mechanism includes an upper guide structure 2 and a lower guide structure 5 disposed in the sealed cabin 6 for controlling and guiding the pile leg 3, the upper side of the upper guide structure and the lower side of the lower guide structure are respectively provided with a wedge block 1, and the pile leg lifting mechanism further includes a lifting unit 4 disposed between the upper guide structure and the lower guide structure, the lifting unit includes a climbing gear 41 driven by a power unit 42, and the climbing gear is engaged with a pile leg rack 31 disposed on the pile leg 3.

A rotary encoder 7 is arranged on the further lifting unit and is electrically connected with the electric control unit. The power unit comprises a hydraulic motor and a gear box, the hydraulic motor is connected with the hydraulic driving unit, and the power unit is arranged on the lifting unit support assembly 8.

As a preferred embodiment, the electric control units are arranged in a group as shown in fig. 1, and four groups of the spud leg lifting mechanisms and the hydraulic drive units are arranged on the left bow, the right bow, the left stern and the right stern of the ship body or the platform in a one-to-one correspondence manner. The hull or platform is positioned underwater by four locations. The hydraulic system provides power for the lifting mechanism, the electric control equipment is used as a center to control the lifting of the pile leg 3 through a program, and the state of the pile leg 3 is monitored. The lifting mechanism is positioned in the underwater pile leg 3 pile fixing chamber unit to realize the up-and-down movement of the pile leg 3. When the four pile legs 3 are pulled up and retracted, the platform can move; after the platform reaches the operation area and sits on the bottom, the lifting system puts the pile legs 3 down and inserts into the seabed, anchors the platform at the position and fixes, and the platform can operate.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides an underwater positioning pile inserting and pulling system which characterized in that: comprises a pile leg lifting mechanism (100), a hydraulic drive unit (200) and an electric control unit (300),

the pile leg lifting mechanism comprises a lifting unit (4) and a pile leg (3) matched with the lifting unit;

2. The underwater positioning pile inserting and pulling system according to claim 1, wherein: the pile leg lifting mechanism comprises an upper guide structure (2) and a lower guide structure (5) which are arranged in a sealed cabin (6) and used for controlling and guiding pile legs (3), wherein the upper side of the upper guide structure and the lower side of the lower guide structure are respectively provided with a wedge block (1), the pile leg lifting mechanism further comprises a lifting unit (4) which is arranged between the upper guide structure and the lower guide structure, the lifting unit comprises a climbing gear (41) driven by a power unit (42), and the climbing gear is meshed with a pile leg rack (31) arranged on the pile legs (3).

3. An underwater pile positioning, inserting and pulling system according to claim 2, wherein a rotary encoder (7) is arranged on the lifting unit and electrically connected with the electric control unit.

4. The underwater positioning pile inserting and pulling system according to claim 2, wherein: the power unit comprises a hydraulic motor and a gear box, and the hydraulic motor is connected with the hydraulic driving unit.

5. The underwater positioning pile inserting and pulling system according to any one of claims 1 to 4, wherein: the electric control units are arranged into a group, and the four groups of pile leg lifting mechanisms and the hydraulic drive units are arranged on the left and right of the ship body or the platform bow and stern in a one-to-one correspondence manner.