阅读说明：本技术 大型海洋平台安装船 (Large ocean platform installation ship ) 是由 陈新权 欧阳义平 杨启 谭家华 于 2019-11-15 设计创作，主要内容包括：一种大型海洋平台安装船,包括：带有推进器的双体船、起重机构和两组滑行轨道,其中：滑行轨道分别设置于船的甲板的两侧船长方向,起重机构通过滑块设置于滑行轨道上以实现独立完成导管架平台的安装、拆除或运输；所述的起重机构包括：至少一套行走门吊、驱动装置和制动锁紧装置,其中：行走门吊设置于滑行轨道上,驱动装置设置于行走门吊的下方。本发明采用双体船型,具有优良的快速性和耐波性,较单体船的横向稳定性有所提高；配备推进器,无需其他辅助船舶配合就能完成导管架的运输、安装和拆除；施工作业系统易于建造和操作。(A large ocean platform installation vessel comprising: catamaran with propeller, hoisting mechanism and two sets of slide tracks, wherein: the sliding rails are respectively arranged in the ship length directions of two sides of a deck of the ship, and the hoisting mechanism is arranged on the sliding rails through the sliding blocks so as to independently complete the installation, the removal or the transportation of the jacket platform; the hoisting mechanism comprises: at least one set of walking gantry crane, drive arrangement and braking locking device, wherein: the walking gantry crane is arranged on the sliding track, and the driving device is arranged below the walking gantry crane. The invention adopts the catamaran type, has excellent rapidity and wave resistance, and improves the transverse stability of the catamaran compared with a monohull ship; the propeller is arranged, so that the transportation, installation and removal of the jacket can be completed without the cooperation of other auxiliary ships; the construction work system is easy to construct and operate.)

1. A large ocean platform installation vessel comprising: catamaran with propeller, hoisting mechanism and two sets of slide tracks, wherein: the sliding rails are respectively arranged in the ship length directions of two sides of a deck of the ship, and the hoisting mechanism is arranged on the sliding rails through the sliding blocks so as to independently complete the installation, the removal or the transportation of the jacket platform;

the hoisting mechanism comprises: at least one set of walking gantry crane, drive arrangement and braking locking device, wherein: the walking gantry crane is arranged on the sliding track, the driving device is arranged below the walking gantry crane, and the braking locking device is arranged on the walking gantry crane;

the walking gantry crane comprises: hoist, vertical support frame and horizontal beam, wherein: the vertical support frame and the horizontal cross beam form an inverted U-shaped truss main body, and the lifting appliance is located on the horizontal cross beam.

2. A large ocean platform installation vessel according to claim 1, wherein the horizontal beams are provided with traveling vehicles cooperating with the lifting tools for adjusting the lifting position.

3. A large ocean platform installation vessel according to claim 1, wherein said driving means is a cylinder, wherein: one end of the oil cylinder is connected with the bottom end of the vertical support frame, and the other end of the oil cylinder is connected with the sliding track through a bolt.

4. A large ocean platform installation vessel according to claim 1, wherein the deck is provided with a slot at the aft portion.

5. A large ocean platform installation vessel according to claim 1, wherein a deck room is provided on a head side of one of said hulls.

6. A large ocean platform installation vessel according to claim 1, wherein said planing track is of T-shaped configuration.

7. A large ocean platform installation vessel according to claim 6, wherein the slider is U-shaped to fit the planing track.

Technical Field

The invention relates to a technology in the field of ship engineering, in particular to a large-scale ocean platform installation ship.

Background

The large ocean engineering ship is mostly designed based on a basic function requirement, and on the basis, the use range is widened as much as possible and the competitive power is enhanced. The removal of decommissioned ocean platforms, particularly jacket platforms, has long been a concern to the engineering community. The conventional operation is that a large crane ship is matched with a transportation barge to operate, but the operation has large lifting capacity, but the conventional crane ship has small lifting capacity and is difficult to hoist large modules; the number of the ultra-large crane ships capable of meeting the construction requirements is small, and the cost is high. In the face of this manifestation, the concept of removing a vessel platform by a variety of Single-lift hoisting systems is emerging on the market, and systems operating in this manner suffer from the following disadvantages: the wave resistance is poor; the cost is high; the function is single; the self-carrying capacity is not available; is difficult to adapt to shallow water operation; the requirements on construction environment and personnel operation are high.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a large ocean platform installation vessel which has excellent wave resistance and can independently realize the installation, the removal and the transportation of a jacket platform.

The invention is realized by the following technical scheme:

the invention comprises the following steps: catamaran with propeller, hoisting mechanism and two sets of slide tracks, wherein: the sliding rails are respectively arranged in the ship length directions on the two sides of the deck, and the hoisting mechanism is arranged on the sliding rails through the sliding blocks so as to independently complete the installation, the removal or the transportation of the jacket platform.

The sliding track is in a T-shaped structure.

The sliding block is U-shaped to match with the sliding track.

The hoisting mechanism comprises: at least one set of walking gantry crane, drive arrangement and braking locking device, wherein: the walking gantry crane is arranged on the sliding track, the driving device is arranged below the walking gantry crane, and the braking locking device is arranged on the sliding track.

The walking gantry crane comprises: hoist, vertical support frame and horizontal beam, wherein: the vertical support frame and the horizontal cross beam form an inverted U-shaped truss main body, and the lifting appliance is located on the horizontal cross beam.

The horizontal cross beam is provided with a walking vehicle matched with the lifting appliance to adjust the lifting position.

The driving device is an oil cylinder, wherein: one end of the oil cylinder is connected with the bottom end of the vertical support frame, and the other end of the oil cylinder is connected with the sliding track through a bolt.

Technical effects

Compared with the prior art, the invention adopts the catamaran type, has excellent rapidity and wave resistance, and improves the transverse stability of the catamaran compared with a monohull type; the propeller is arranged, so that the transportation, installation and removal of the jacket can be completed without the cooperation of other auxiliary ships; the construction work system is easy to construct and operate.

Drawings

FIG. 1 is a side view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a diagram of the application of the present invention;

in the figure: a is a side view of a hoisting jacket; b is a front view of the hoisting jacket; c is a side view of the jacket placed on the deck; d is a front view of the jacket placed on the deck; the ship comprises a single ship body 1, a connecting bridge 2, a sliding track 3, a supporting base 4, a vertical supporting frame 5, a horizontal cross beam 6, a sliding block 7, a lifting appliance 8, a propeller 9, a deck chamber 10, an oil cylinder 11 and a hoisting mechanism 12.

Detailed Description

As shown in fig. 1 and 2, the present embodiment includes: two single hulls 1, two sets of taxi tracks 3, a power system and a hoisting mechanism 12, wherein: the two single ship bodies 1 are structurally connected through the connecting bridge 2, the sliding tracks 3 are respectively arranged in the ship length direction of the two single ship bodies 1 and cover the whole ship, the power system is positioned on the main ship body and is connected with the hoisting mechanism 12, and the hoisting mechanism 12 is arranged on the sliding tracks 3 through the sliding blocks 7.

The tail part of the deck is provided with a slot, and the two groups of sliding rails 3 are respectively arranged on two sides of the slot.

The bow side of the monohull vessel 1 is provided with a deckhouse 10.

The sliding track 3 is of a T-shaped structure as a whole.

The sliding block 7 is U-shaped to match with the sliding track 3.

The power system is realized by a hydraulic pump station (not shown in the figure), and the power system is connected with an oil cylinder 11 in the hoisting mechanism.

The lifting mechanism 12 comprises: four groups of hoists 8, support base 4, two sets of U font truss main parts, hydro-cylinder 11 and braking locking device fall, wherein: four groups of lifting appliances 8 are divided into two groups and are respectively arranged on two sets of truss main bodies, the supporting base 4 is arranged below the truss main bodies and is connected with the sliding block 7, one end of the oil cylinder 11 is connected with the supporting base 4, the other end of the oil cylinder is connected with the sliding track 3 through a bolt, and the braking locking device is arranged on the walking gantry crane.

The truss body includes: and the two groups of vertical support frames 5 and the horizontal cross beam 6 form an inverted U-shaped structure.

And the horizontal cross beam 6 is provided with a walking vehicle matched with the lifting appliance 8 to adjust the lifting position.

The brake locking device comprises: fixing base and bolt, wherein: the bolt is respectively connected with the fixed seat and the fixed limiting plate.

The coordination specifically comprises the following steps: the slide block tightly holds the T-shaped sliding track at two sides.

As shown in fig. 3, the above-described device operates by: according to the invention, when a ship reaches an operation position, the slot at the tail part of the ship is close to the jacket platform to be dismantled, and the relative position of the platform and the slot of the ship body is adjusted through the propeller 9 of the ship, so that the ship position meets the operation requirement. The sliding rail 3 is pushed by the oil cylinder 11 to drive the hoisting mechanism 12 to a jacket platform position, a hoisting cable on the hoisting tool 8 is fixed on the jacket, and the upper deck module is lifted by the hoisting tool 8 to be separated from the jacket; and moving the hoisting mechanism 12, placing the deck module on the deck and binding and fixing, moving the mechanism 12, placing the lower structure of the jacket on the deck and binding and fixing, returning and unloading the jacket and the deck module, and completing the dismantling operation of a jacket platform. The installation of jacket platform can be realized to the same reason.

The deck module is as follows: an upper deck structure of a jacket platform.

Compared with the prior art, the device can independently complete the installation, the removal and the transportation of the jacket platform without the assistance of other ships, greatly reduces the construction time, improves the operation efficiency and increases the operation window period compared with the conventional hoisting operation.

The foregoing embodiments may be modified in many different ways by those skilled in the art without departing from the spirit and scope of the invention, which is defined by the appended claims and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.