CN205203293U - Device and fortune dimension ship are leaned on in stepping on of marine fan - Google Patents

Abstract

An embodiment of the utility model provides a device and fortune dimension ship are leaned on in stepping on of marine fan steps on and includes the base and embrace a stake portion by the device, embraces stake portion and sets up on the base, and set up and constitute armful first holder and the second holder in a space including relative, drive assembly, drive assembly connect between armful stake portion and base to drive first holder and/or second holder linear removal the on the base. The device effectively solved fortune dimension ship at sea step on the problem of leaning on, the security that has improved personnel and spare parts.

Description

Offshore wind turbine boarding device and operation and maintenance ship

technical field

The utility model relates to wind power generation technology, in particular to a boarding device and an operation and maintenance ship for an offshore fan.

Background technique

As the offshore distance of wind turbines increases, the sea surface wind speed and wave and current intensity also increase. Due to the effects of wind, waves and currents, there is a relative displacement between the operation and maintenance ship and the wind turbine berthing pile, which causes maintenance personnel to collide with the tower foundation when they board the tower ladder of the wind turbine. Due to the extrusion and inertia caused by the shaking and heaving of the hull, safety accidents such as personnel falling or personnel extrusion will also occur. The above-mentioned situations have buried a large safety hazard for the maintenance of offshore wind turbines and increased the difficulty of maintenance of offshore units.

Utility model content

The purpose of the utility model is to provide a boarding device and an operation and maintenance ship for an offshore wind turbine, so as to reduce the safety hazards of maintenance personnel of the offshore wind turbine when boarding the wind turbine.

The embodiment of the utility model provides a boarding device for offshore wind turbines, the device includes a base and a pile holding part, the pile holding part is arranged on the base, and includes a first clamping part that is oppositely arranged and constitutes a pile holding space and the second clamping part; a driving assembly, the driving assembly is connected between the pile holding part and the base, and drives the first clamping part and/or the second clamping part to move linearly on the base.

Preferably, both the first clamping part and the second clamping part can linearly move on the base, and the driving assembly includes: a rack, which is fixedly arranged on the base; a gear, which is connected with the first clamping part and the second clamping part The two clamping parts are arranged in one-to-one correspondence and meshed with the rack; the driving part is connected with the gear.

Preferably, the first clamping member includes a first bracket and a first jaw, the first bracket is movably arranged on the base, and the first jaw is fixedly connected to the first bracket; the second clamping member includes a second The bracket and the second jaw, the second bracket is movably arranged on the base, the second jaw is fixedly connected to the second bracket, the first jaw and the second jaw are arranged oppositely, and constitute a pile holding space.

Preferably, a slideway is provided on the base, the first support and the second support are in an inverted U shape, and the two ends of the inverted U shape of the first support and the second support move on the slideway through bearings.

Preferably, the landing device further includes a guard plate, and there is a moving space for accommodating gears between the guard plate and the base.

Preferably, the landing device further includes two limit plates for limiting the moving positions of the first jaw and the second jaw.

Preferably, a connection part is provided between the base and the bow, and the connection part includes a universal connection assembly.

Preferably, the connection part further includes a cable retracting mechanism arranged at the bow and a cable connecting the cable retracting mechanism and the base.

Preferably, a landing ladder is also included, and the landing ladder is arranged between the bow of the ship and the landing pile of the offshore wind turbine.

Preferably, the driving part of the driving assembly is a motor or a hydraulic cylinder.

According to another aspect of the utility model embodiment, there is provided an operation and maintenance ship, including the boarding device described in the above embodiment.

According to the offshore wind turbine boarding device provided by the embodiment of the present invention, the pile holding part of the device can drive the clamping part to move back and forth on the base under the action of the driving assembly to perform the pile holding operation. Therefore, when the maintenance personnel board the offshore wind turbine, the operation and maintenance ship will not be affected by the violent shaking of the wind and waves, which will make the boarding more difficult and prone to safety accidents.

Description of drawings

Fig. 1 is a structural schematic diagram of an offshore wind turbine boarding device according to an embodiment of the present invention;

Fig. 2 is a working diagram of the boarding device for offshore wind turbines according to the embodiment of the present invention.

Explanation of reference signs:

10. Base; 11. Universal connection assembly; 12. Steel cable retracting mechanism; 20. Steel cable; 30. Landing ladder; 40. Boarding pile; 61. Guard plate; 62. Limiting plate; Pile part; 71, the first clamping part; 711, the first bracket; 712, the first clamping jaw; 72, the second clamping part; 721, the second bracket; 722, the second clamping jaw; 81, the rack; 82, gear; 83, driving part; 84, reducer; 91, bearing.

detailed description

Exemplary embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

Fig. 1 is a structural schematic diagram of an offshore wind turbine landing device according to an embodiment of the present invention.

Referring to Fig. 1 , an embodiment of the present invention provides a boarding device for an offshore wind turbine, including a base 10, which is a basic support for the boarding device. The pile-holding part 7 is arranged on the base 10, and the pile-holding part 7 includes a first clamping part 71 and a second clamping part 72 which are oppositely arranged and form a pile-holding space.

The landing device further includes a driving assembly connected between the pile holding part 7 and the base 10 for driving the first clamping part 71 and/or the second clamping part 72 to move linearly on the base 10 . When the landing device is in use, the drive assembly drives the first clamping part 71 and/or the second clamping part 72 to move linearly on the base 10, so that the first clamping part 71 and the second clamping part 72 cooperate to complete Hold the pile.

Under the action of the driving assembly, the pile holding part 7 of the landing device can drive the first clamping part 71 and/or the second clamping part 72 to move linearly on the base 10, so that the first clamping part 71 and the second clamping part 71 can move linearly on the base 10. The clamping part 72 cooperates to complete the holding pile. In this way, when the maintenance personnel board the offshore wind turbine, the operation and maintenance ship will not be affected by the violent shaking of the wind and waves, which will make the boarding more difficult and prone to safety accidents.

Specifically, the driving assembly includes a rack 81 and a gear 82 meshing with the rack 81 . Wherein, the rack 81 is fixedly arranged on the base 10, for the convenience of the pile holding part 7 to hold the pile, the rack 81 must be kept horizontal with the bow when it is set.

The gear 82 is provided in one-to-one correspondence with the first clamping piece 71 and the second clamping piece 72 , and meshes with the rack 81 .

In addition, the driving assembly also includes a driving member 83, which is connected to the gear 82 in one-to-one correspondence. The driving member 83 drives the gear 82 to rotate on the rack 81, driving the first clamping member 71 and the second clamping The component 72 linearly moves on the base 10, and then drives the first jaw 712 and the second jaw 722 to hold the pile.

Specifically, the driving member 83 is a motor. Considering that the speed of the gear 82 on the rack 81 is small, the motor needs to be connected to the reducer 84, and the two are connected by a coupling, and the output shaft of the motor is connected to the gear. 82 connections. In order to prevent the motor from being damaged by splashing sea water, preferably, the motor is a waterproof motor.

Of course, the driving assembly is not limited to the mechanism of the gear 82 and the rack 81, and can also be other linear motion mechanisms, such as hydraulic cylinders, electric push rods, ball screws or other linear guide rail mechanisms, which are not described in this embodiment. Do limited.

Specifically, the first clamping part 71 of the pile holding part 7 includes a first bracket 711 and a first jaw 712, the first bracket 711 is movably arranged on the base 10, and the first jaw 712 is fixedly connected to the first on the bracket 711. Correspondingly, the second clamping member 72 includes a second bracket 721 and a second jaw 722, the second bracket 721 is movably arranged on the base 10, the second jaw 722 is fixedly connected to the second bracket 721, the second A clamping jaw 712 and a second clamping jaw 722 are arranged oppositely, and constitute the pile holding space. The fixing method of the first jaw 712 and/or the second jaw 722 is not limited, it can be glued or welded or other fixed connection methods, and its function is to cooperate and hold the first jaw 712 and the second jaw 722 The boarding pile 40 is convenient for the maintenance personnel to board the wind turbine. In this embodiment, the gripper is in the shape of a curved arm, of course, it can also be a manipulator or other shapes convenient for holding piles, which is not limited in this embodiment.

Preferably, the first clamping jaw 712 and the second clamping jaw 722 may be arc-shaped, so as to be able to fit the outer wall surface of the mounting pile 40 to achieve reliable and stable pile holding.

In order to facilitate the movement of the pile-holding part 7 and realize the pile-holding, the first bracket 711 and/or the second bracket 721 is an inverted U-shaped structure, and the inverted U-shaped opening of the first bracket 711 and/or the second bracket 721 is clamped On the base 10, a bearing 91 is provided at the opening. Correspondingly, a slideway is provided on the base 10 to match the bearing 91 of the inverted U-shaped opening of the first bracket 711 and/or the second bracket 721, so that the first bracket 711 and/or the second bracket 721 The two ends of the inverted U shape move linearly on the slideway through the bearing 91. The first bracket 711 and/or the second bracket 721 here play a role of structurally supporting the driving member 83 .

The boarding device also includes a guard plate 61 , there is a moving space between the guard plate 61 and the base 10 for accommodating the gear 82 , and the role of the guard plate 61 is to protect the teeth on the rack 81 .

In addition, the landing device also includes a limit plate 62 for limiting the moving position of the first jaw 712 and the second jaw 722 on the rack. The number of limit plates 62 is two, and they are arranged in a one-to-one correspondence. At both ends of the guard plate 61 , a gear 82 can roll between two limiting plates 62 .

In order to increase the working stability of the boarding device, the boarding device can not only perform single pile holding operation, but also double pile holding operation. Specifically, the landing device includes four movable brackets on the base 10 , jaws corresponding to the four brackets, driving elements on the brackets, and gears for driving the brackets to move. The four jaws are under the action of their respective driving parts (two adjacent jaws near one end of the base 10 form a group), the driving gear rolls, thereby driving the bracket to move, and realizing the double-holding pile operation. Compared with only one boarding pile 40 holding piles like this, the operation and maintenance ship is stronger when boarding and berthing, and the personnel are safer. The choice of single-holding pile or double-holding pile operation can be flexibly selected according to different offshore working conditions.

Certainly, the utility model also can not be limited to above-mentioned one bracket (such as the first bracket 711) corresponding to a clamping jaw (such as the first jaw 712) holding pile mode, can also be provided with two telescopic on the first bracket 711 Claws, when the operation and maintenance ship boards, make the first bracket 711 roughly close to the position of the docking pile 40, and then adjust the relative position of the two jaws on the first bracket 711, so that the two jaws hold the docking pile 40 tightly .

In order to effectively fix the base 10 on the bow, a connecting portion is provided between the base 10 and the bow, and the connecting portion includes a universal joint assembly 11, one end of the universal joint assembly 11 is connected to the hull at the bow, and the other end is connected to the base. 10 connections. Specifically, the universal connection assembly 11 may be a universal connector, and its function is to effectively reduce shaking and heave of the operation and maintenance ship.

In order to further reduce the shaking of the operation and maintenance ship by sea wind and waves during boarding, a steel cable retractable mechanism 12 and a steel cable 20 are also provided between the operation and maintenance vessel and the base 10, and the steel cable retractable mechanism 12 is arranged at the bow. A damper is arranged on it, and one end of the steel cable 20 is connected with the base 10 , and the other end is connected with the steel cable retracting mechanism 12 . Preferably, two steel cable retracting mechanisms 12 are provided between the bow and the base 10, and two steel cables 20 are correspondingly connected, and the two steel cables 20 can keep the rack 81 and the bow horizontal.

When boarding against piles, due to the shaking of the ship, when the pulling force of the steel cable 20 is greater than the gravity of the pile holding device, the steel cable retracting mechanism 12 will release the steel cable 20, otherwise the steel cable 20 will be tightened. This can make the boarding device more stable when holding the pile.

Fig. 2 is a working diagram of the boarding device for offshore wind turbines according to the embodiment of the present invention.

Referring to Fig. 2, the utility model provides an operation and maintenance ship. In order to ensure that personnel successfully board the wind turbine, a landing ladder 30 is provided between the bow of the ship and the landing pile 40 of the wind turbine. The surface of the landing ladder 30 is laid with non-slip and wear-resistant materials. , can further reduce personnel safety hazards.

The working process of the boarding device of the offshore wind turbine is as follows: when the operation and maintenance ship is moving, the auxiliary boarding device is kept horizontal to the bow of the ship under the action of the steel cable 20 and the universal connection assembly 11 . When the operation and maintenance ship is performing boarding operations, the ship is adjusted to a suitable position, and the gear 82 and rack 81 are driven by controlling the waterproof motor, so that the bracket moves back and forth to realize the alignment of the piles and finally the clamping claws on the brackets hold the docking piles tightly 40. During the boarding process, the shaking and heave of the operation and maintenance ship can be reduced under the vibration damping effect of the flexible connection. After the pile holding is completed, the personnel can board the wind turbine through the landing ladder 30 .

The offshore wind turbine boarding device provided by the embodiment of the utility model has the following effects:

When the wind and waves are strong at sea, the shaking and heaving of the ship are relatively severe, and the bow movement is relatively large. At this time, the pile holding part of the boarding device can move linearly on the base in a large range, so that it is easier to hold the offshore wind turbine. The boarding piles make it safe for people to board.

The device effectively solves the boarding problem of the operation and maintenance ship at sea, improves the safety of personnel and spare parts, and improves the success rate of the operation and maintenance ship boarding under severe sea conditions. The difficulty of holding piles when boarding. The structure is simple, the operation is simple, and the maintenance is convenient, which improves the maintenance efficiency of the fan unit and increases economic benefits at the same time.

The above is only a specific embodiment of the present utility model, but the scope of protection of the present utility model is not limited thereto. Anyone familiar with the technical field can easily think of changes or changes within the technical scope disclosed by the utility model Replacement should be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (11)

1. A boarding device for an offshore wind turbine, characterized in that the boarding device includes: base (10); A pile-holding part (7), the pile-holding part (7) is arranged on the base (10), and includes a first clamping part (71) and a second clamping part which are oppositely arranged and form a pile-holding space (72); a driving assembly, the driving assembly is connected between the pile holding part (7) and the base (10), and drives the first clamping part (71) and/or the second clamping part (72) moves linearly on said base (10). 2. The landing device according to claim 1, characterized in that, both the first clamping piece (71) and the second clamping piece (72) can be linearly mounted on the base (10) To move, the drive assembly includes: a rack (81), the rack (81) is fixedly arranged on the base (10); a gear (82), the gear (82) is provided in one-to-one correspondence with the first clamping piece (71) and the second clamping piece (72), and meshes with the rack (81); A driving member (83), the driving member (83) is connected with the gear (82). 3. The landing device according to claim 2, characterized in that, the first clamping member (71) comprises a first bracket (711) and a first jaw (712), and the first bracket (711 ) is movably arranged on the base (10), and the first jaw (712) is fixedly connected to the first bracket (711); The second clamping member (72) includes a second bracket (721) and a second jaw (722), the second bracket (721) is movably arranged on the base (10), the The second jaw (722) is fixedly connected to the second bracket (721); The first clamping jaw (712) and the second clamping jaw (722) are arranged oppositely and form the pile holding space. 4. The boarding device according to claim 3, characterized in that, the base (10) is provided with a slideway, the first bracket (711) and the second bracket (721) are inverted U-shaped, And the inverted U-shaped ends of the first bracket (711) and the second bracket (721) move on the slideway through bearings (91). 5. The landing device according to claim 2, characterized in that, the landing device further comprises a guard plate (61), and there is a gap between the guard plate (61) and the base (10) for A moving space for the gear (82) is accommodated. 6. The abutment device according to claim 3, characterized in that, the abutment device further comprises two clamps for limiting the moving positions of the first jaw (712) and the second jaw (722). A limiting plate (62). 7. The boarding device according to claim 1, characterized in that, a connection part is provided between the base (10) and the bow, and the connection part comprises a universal connection assembly (11). 8. The boarding device according to claim 7, characterized in that, the connecting part further comprises a cable retracting mechanism (12) arranged at the bow of the ship and connecting the cable retracting mechanism (12) with The steel cable (20) of the base (10). 9. The landing device according to any one of claims 1 to 8, characterized in that it further comprises a landing ladder (30), and the landing ladder (30) is arranged on the bow of the ship and the landing pile (40) of the offshore wind turbine. )between. 10. The landing device according to claim 2, characterized in that, the driving member (83) of the driving assembly is an electric motor or a hydraulic cylinder. 11. An operation and maintenance ship, characterized in that the operation and maintenance ship comprises the boarding device according to any one of claims 1 to 10.