CN110356516B - Offshore personnel embarkation wave compensator and wave compensation system thereof - Google Patents

Offshore personnel embarkation wave compensator and wave compensation system thereof Download PDF

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Publication number
CN110356516B
CN110356516B CN201810317293.4A CN201810317293A CN110356516B CN 110356516 B CN110356516 B CN 110356516B CN 201810317293 A CN201810317293 A CN 201810317293A CN 110356516 B CN110356516 B CN 110356516B
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CN
China
Prior art keywords
connecting device
bolt
ship
piston
outer cylinder
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Expired - Fee Related
Application number
CN201810317293.4A
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Chinese (zh)
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CN110356516A (en
Inventor
郭芳声
郭仲轩
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Mariner Energy Technology Co ltd
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Mariner Energy Technology Co ltd
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Priority to CN201810317293.4A priority Critical patent/CN110356516B/en
Publication of CN110356516A publication Critical patent/CN110356516A/en
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Publication of CN110356516B publication Critical patent/CN110356516B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/14Arrangement of ship-based loading or unloading equipment for cargo or passengers of ramps, gangways or outboard ladders ; Pilot lifts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B17/00Vessels parts, details, or accessories, not otherwise provided for
    • B63B2017/0072Seaway compensators

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The invention discloses a marine personnel ashore wave compensator which comprises an outer cylinder, a piston component and a ship connecting device. The outer cylinder is internally provided with a cavity for accommodating liquid and a seawater inlet and outlet communicated with the cavity, a piston member is arranged in the cavity, the ship connecting device is arranged on the piston member and is bridged on a fixed seat arranged on the ship connecting device, when the piston is pulled to move upwards, the liquid in the cavity can quickly flow towards the pulling direction through a gap between the piston and the cavity to generate pressure difference, the moving speed of the piston is further limited to enable the ship connecting device to move slowly, and therefore the effect that personnel can stably climb into the offshore building is achieved.

Description

Offshore personnel embarkation wave compensator and wave compensation system thereof
Technical Field
The invention relates to a compensator, in particular to a maritime personnel embarkation wave compensator and a wave compensation system thereof.
Background
Accordingly, as the population of the world increases, the land resources available to people are reduced, and therefore, people have to choose to construct buildings (such as wind power generators, offshore oil drilling platforms, etc.) on the ocean, and the buildings are usually provided with a ladder for people to climb up, when people want to get on the buildings, people usually take a transportation boat to the side of the buildings, and judge the fluctuation rule of the sea level according to their own experience, when the sea level is gradually lowered, people can immediately grab the ladder and quickly climb up to the buildings, however, the fluctuation of the sea level varies with the weather, if the fluctuation of the sea level varies rapidly and the people judge wrong time for logging in, the arms of people are clamped between the ladder and the transportation space due to the fluctuation of the sea level, and further people are injured, even falling into the sea.
Therefore, how to solve the above problems is the primary subject to be solved by the present invention.
Disclosure of Invention
The invention mainly aims to provide a marine personnel embarkation wave compensator and a wave compensation system thereof, which have the effect of enabling personnel to stably embark into a marine building.
In order to achieve the purpose, the invention adopts the following technical scheme:
a marine personnel landing wave compensator comprises:
the outer cylinder is hollow and upright, a cavity for accommodating liquid is formed in the outer cylinder, an opening communicated with the cavity is formed in the upper end of the outer cylinder, and a seawater inlet and outlet communicated with the cavity is formed in the lower end of the outer cylinder;
a piston component arranged in the chamber, the piston component is provided with a shaft column and at least one piston, the piston is hollow and has buoyancy and is arranged on the shaft column, and the shaft column is provided with a connecting end which protrudes out of the opening;
the ship connecting device is arranged on the connecting end of the shaft post, a fixed seat for lapping a temporary bridge is arranged on the ship connecting device, and a connecting part for connecting a connector is arranged on the side of the ship connecting device.
Preferably, the outer cylinder has a track formed by two side plates at the outer edge of the opening thereof, and the boat connecting device can move along the track, and a first side opening and a second side opening opposite to the first side opening are formed between the two side plates, so that the temporary bridge can be lapped on the fixed seat through the first side opening and the second side opening respectively.
Preferably, the boat connecting device has a mooring post to which a rope is tied.
Preferably, the inner edge of the outer cylinder is protruded with at least one protrusion, and the piston and the boat connecting device are respectively formed with a groove corresponding to the protrusion, so that the piston and the boat connecting device are respectively pressed against each other through the grooves and the protrusions to limit the rotation of the piston and the boat connecting device.
A wave compensation system that contains marine personnel's wave compensator of going ashore of above-mentioned technical scheme still includes:
a ship body, which is provided with the connector, the connector is provided with a bolt, the connecting part is provided with at least one bolt hole corresponding to the bolt, the bolt can be pushed by a pushing mechanism, so that the bolt can move to the outside of the ship body along the axial direction of the bolt and is fixedly connected with the bolt hole;
the temporary bridge is arranged on the ship body by one end, and the other end is provided with a lapping seat which can be used for lapping and fixing the temporary bridge and the fixed seat.
Preferably, the bolt is composed of a joint rod capable of connecting with the bolt hole and a pushing rod, a screw joint section is formed at one end of the joint rod, a screw hole is formed on the pushing rod corresponding to the screw joint section, and the joint rod is jointed and fixed with the pushing rod through the screw joint section and the screw hole.
Preferably, the hull has an anti-collision part located at the same side as the connector, and the anti-collision part can prevent the hull from directly impacting the outer cylinder.
Preferably, the hull is provided with a winch, and the rope tied to the mooring post can be wound up through the winch, so that the hull can approach the ship connecting device.
The invention has the beneficial effects that: the invention can effectively slow down the fluctuation range of the temporary bridge influenced by the sea level when being lapped on the ship connecting device by slowing down the liquid level change in the cavity through the seawater inlet and outlet, so that personnel can more stably log in the building through the temporary bridge for operation, and accidents caused when the personnel log in the building are greatly reduced.
Drawings
Fig. 1 is an exploded schematic view of a marine personnel ashore wave compensator.
Fig. 2 is a schematic structural diagram of a marine personnel ashore wave compensator.
Fig. 3 is a schematic plan view of the offshore personnel landing wave compensation system.
Fig. 4 is a schematic diagram of the offshore personnel embarkation wave compensation system in use, which is used for showing the state when the joint rod is fixedly jointed with the push rod.
Fig. 5 is a schematic view showing a state of use of the marine personnel embarkation wave compensating system, in which the hull is coupled to the ship coupling device by the coupling thereof.
Fig. 6 is a schematic view of the offshore personnel landing wave compensation system in use, showing the state of the temporary bridge in the state of overlapping the fixed seat with the overlapping seat.
Fig. 7 is a schematic view showing a state in which the marine personnel embarkation wave compensating system is used to show a state in which the ship connecting device restricts the ascent of the ship body.
Fig. 8 is a schematic view showing a state in which the marine personnel embarkation wave compensating system is used to show a state in which the ship connecting device restricts the ship body to descend.
Fig. 9 is a schematic view of the use state of the marine personnel embarkation wave compensation system, which is used for displaying the state when the ship body completes the fixing work and personnel embark into the building.
11: outer cylinder, 12: chamber, 13: opening, 14: seawater inlet and outlet, 15: platform, 16: track, 161: first side port, 162: second side port, 17, 18: side plate, 19: bump, 21: piston member, 22: shaft column, 23A: first piston, 23B: second piston, 24: connecting end, 25, 37: groove, 31: boat connecting device, 33: connection portion, 34: plug hole, 35: fixing seat, 36: bollard, 41: connector, 42: latch, 43: pushing mechanism, 44: engagement rod, 441: threaded section, 45: push rod, 451: screw hole, 46: pin seat, 51: hull, 52: temporary bridge, 53: universal joint, 54: lap joint seat, 55: bump guard, 56: winch, 60: building, A: the gap distance.
Detailed Description
The objects and advantages of the present invention will be readily understood by the following detailed description of the selected embodiments and the accompanying drawings.
Referring to fig. 1-9, selected embodiments of the present invention are shown for illustration purposes only and are not limited by the embodiments described in the patent application.
As shown in fig. 1 to 5, the present invention provides a marine vessel boarding compensator, which is mainly composed of an outer cylinder 11, a piston member 21 and a vessel connecting device 31, wherein:
the outer cylinder 11 is hollow and upright, a chamber 12 for accommodating liquid is formed in the outer cylinder 11, an opening 13 communicated with the chamber 12 is formed at the upper end of the outer cylinder 11, a seawater inlet and outlet 14 communicated with the chamber 12 is formed at the lower end of the outer cylinder 11, the aperture of the seawater inlet and outlet 14 is smaller than the inner diameter of the chamber 12, and the change of the liquid level of the chamber 12 relative to the sea level can be slowed down through the flow difference of the seawater inlet and outlet 14; in this embodiment, the outer tub 11 extends outward to form a platform 15, and the outer tub 11 is fixed to a building 60 installed at sea by the platform 15.
The piston member 21 is disposed in the chamber 12, the piston member 21 has a shaft column 22, and the shaft column 22 has a first piston 23A and a second piston 23B spaced from the first piston 23A at one end thereof, the first piston 23A and the second piston 23B are both hollow and have buoyancy, and the outer diameter of the first piston 23A is slightly smaller than the inner diameter of the chamber 12 to form a clearance distance a, and the second piston 23B is held on the liquid level in the chamber 12 due to its buoyancy and can move along with the liquid level change in the chamber 12, and the shaft column 22 has a connection end 24 protruding out of the opening 13.
The ship connecting device 31 is disposed on the connecting end 24 of the shaft pillar 22, the ship connecting device 31 is provided with a fixing seat 35 for overlapping a temporary bridge 52 and a mooring post 36 for tying a rope, and a connecting portion 33 for connecting a connector 41 is provided at the side of the ship connecting device 31: in the embodiment, the outer cylinder 11 has a rail 16 formed by two side plates 17, 18 extending upward at the outer edge of the opening 13, and the boat connecting device 31 can move along the rail 16, and the cross sections of the two side plates 17, 18 are respectively substantially C-shaped, and a first side opening 161 and a second side opening 162 opposite to the first side opening 161 are formed between the two side plates 17, 18, so that the toilet bridge 52 can be respectively overlapped on the fixing seat 35 through the first side opening 161 and the second side opening 162.
As shown in fig. 1 and 2, two protrusions 19 protrude from the inner edge of the outer cylinder 11, grooves 25 and 37 are formed on the outer edges of the first piston 23A, the second piston 23B and the boat connecting device 31 corresponding to the two protrusions 19, respectively, and the first piston 23A, the second piston 23B and the boat connecting device 31 can be abutted against each other by the grooves 25 and 37 and the two protrusions 19, respectively, so as to limit the rotation of the first piston 23A, the second piston 23B and the boat connecting device 31, and keep the connecting portion 33 of the boat connecting device 31 facing the first side opening 161.
As shown in fig. 3 to 9, the present invention further provides a wave compensation system based on the above-mentioned marine personnel embarkation wave compensator, which is mainly composed of a hull 51, wherein:
the hull 51 has the connector 41, the connector 41 has a bolt 42 and a bolt seat 46 for the bolt 42 to move stably, the bolt 42 can be pushed by a pushing mechanism 43 composed of a hydraulic cylinder, so that the bolt 42 can move to the outside of the hull 51 along the axial direction, and the connecting part 33 has two bolt holes 34 corresponding to the bolt 42 and in a generally conical shape, so that the hull 51 can be connected and fixed with the bolt holes 34 by the bolt 42; in the embodiment, the latch 42 is composed of a joint rod 44 and a pushing rod 45 which can be correspondingly connected with the latch hole 34, a screw thread section 441 is formed at one end of the joint rod 44, a screw hole 451 is formed on the pushing rod 45 corresponding to the screw thread section 441, the joint rod 44 is fixedly connected with the pushing rod 45 through the screw thread section 441 and the screw hole 451, the pushing rod 45 is pushed by the pushing mechanism 43 to drive the joint rod 44 to be fixedly connected with the latch hole 34, an anti-collision part 55 which is located at the same side as the connector 41 and is composed of an anti-collision airbag is arranged on the hull 51, and the anti-collision part 55 can prevent the hull 51 from directly colliding with the outer cylinder 11 to damage the hull 51 or the outer cylinder 11.
The hull is provided with a temporary bridge 52, one end of the temporary bridge 52 is arranged on the hull 51 by a universal joint 53, the other end is provided with a lapping seat 54 for lapping and fixing the temporary bridge 52 with the lapping seat 54 and the fixed seat 35, the hull 51 is provided with a windlass 56, when the mooring bollard 36 bound by the rope is arranged on the mooring bollard, the rope can be reeled by the windlass 56, so that the hull 56 can be close to the ship connecting device 31.
When the above-mentioned offshore personnel embarkation wave compensation system is actually used, as shown in fig. 5 to 9, personnel get on the offshore personnel embarkation wave compensator installed beside the offshore structure 60 by riding the ship body 51, push the push rod 45 through the push mechanism 43 to drive the joint rod 44 to be connected and fixed with the bolt hole 34, then tie the personnel on the mooring bollard 36 through the rope, and roll up the rope through the windlass 56 to make the ship body 56 close to the ship connecting device 31, then lap and fix the temporary bridge 52 with the lap seat 54 and the fixed seat 35 on the ship connecting device 31 to complete the fixing work, and cooperate with the above-mentioned wave compensator, as shown in fig. 7 and 8, when the sea level rises upwards, the ship body 51 will lift up along with the sea level simultaneously to push up the ship connecting device 31, thereby pulling the first piston 23A upwards, and when the first piston 23A is pulled upwards by the ship body 51, the liquid in the chamber 12 will flow rapidly through the clearance distance a toward the pulling direction of the first piston 23A to generate a pressure difference, further limiting the moving speed of the piston to make the boat connecting device move slowly, and further making the linkage boat connecting device 31 hold the boat body 51 downward, so that the boat body 51 is held by the boat connecting device 31 to relatively increase the draft of the boat body 51 and slow down the fluctuation change of the temporary bridge 52; on the contrary, when the sea level is lowered, the hull 51 moves downward along with the sea level, and the boat connecting device 31 is linked to move downward, and the first piston 23A is driven to move downward, when the first piston 23A is moved downward by the hull 51, the liquid in the chamber 12 can flow toward the moving direction of the first piston 23A through the gap distance a quickly to generate a pressure difference, and further the hull 51 is supported upward by the linking boat connecting device 31, so that the hull 51 is limited by the boat connecting device 31, the draft of the hull 51 is relatively reduced, and the access bridge 52 built on the boat connecting device 31 can effectively reduce the fluctuation and keep stable, thereby enabling the personnel to safely climb into the building 60 through the access bridge 52.
As can be seen from the foregoing description, the present invention has the advantages that the seawater inlet/outlet 14 can reduce the liquid level change in the chamber 12, thereby effectively reducing the fluctuation of the access bridge 52 when the access bridge is connected to the ship connection device 31, so that personnel can more smoothly enter the building through the access bridge 52 for operation, and greatly reducing the occurrence of accidents when personnel enter the building 60.
It should be noted that the above-mentioned embodiments are only for illustrating the present invention, and are not to be construed as limiting the present invention, so that the replacement of equivalent elements is within the scope of the present invention.
In view of the above, it will be apparent to those skilled in the art that the foregoing objects can be achieved and that the invention complies with the requirements of the patent statutes and is accordingly applied by law.

Claims (7)

1. A marine personnel wave compensator that comes ashore, its characterized in that, it contains: the outer cylinder is hollow and upright, a cavity for accommodating liquid is formed in the outer cylinder, an opening communicated with the cavity is formed in the upper end of the outer cylinder, and a seawater inlet and outlet communicated with the cavity is formed in the lower end of the outer cylinder;
a piston component arranged in the chamber, the piston component is provided with a shaft column and at least one piston, the piston is hollow and has buoyancy and is arranged on the shaft column, and the shaft column is provided with a connecting end which protrudes out of the opening;
the ship connecting device is arranged on the connecting end of the shaft post, a fixed seat for lapping a temporary bridge is arranged on the ship connecting device, and a connecting part for connecting a connector is arranged on the side edge of the ship connecting device; the connector is provided with a bolt, the connecting part is provided with at least one bolt hole corresponding to the bolt, and the bolt can be pushed by a pushing mechanism, so that the bolt can move to the outside of the ship along the axial direction and is fixedly connected with the bolt hole;
at least one lug is convexly extended on the inner edge of the outer cylinder, and a groove is formed on the piston and the ship connecting device respectively corresponding to the lug, so that the piston and the ship connecting device are respectively propped against each other through the groove and the lug to limit the rotation of the piston and the ship connecting device.
2. Offshore personnel ashore wave compensator according to claim 1, characterized in that: the outer cylinder is provided with a track formed by two side plates at the outer edge of the opening of the outer cylinder, the ship connecting device moves along the track, and a first side opening and a second side opening opposite to the first side opening are formed between the two side plates, so that the temporary bridge can be respectively lapped on the fixed seat through the first side opening and the second side opening.
3. Offshore personnel ashore wave compensator according to claim 1, characterized in that: the boat connecting device has a mooring post to which a rope is tied.
4. A heave compensation system comprising a marine personnel ashore heave compensator according to any of claims 1 to 3, further comprising: the ship body is provided with the connector, the connector is provided with a bolt, the connecting part is provided with at least one bolt hole corresponding to the bolt, and the bolt can be pushed by a pushing mechanism, so that the bolt can move to the outside of the ship body along the axial direction of the bolt and is fixedly connected with the bolt hole; the temporary bridge is arranged on the ship body by one end, and the other end is provided with a lapping seat which is used for lapping and fixing the temporary bridge and the fixed seat.
5. The heave compensation system of claim 4, wherein: the bolt is composed of a joint rod connected with the bolt hole and a pushing rod, a screw joint section is formed at one end of the joint rod, a screw hole is formed on the pushing rod corresponding to the screw joint section, and the joint rod is fixedly connected with the pushing rod through the screw joint section and the screw hole.
6. The heave compensation system of claim 4, wherein: the ship body is provided with an anti-collision part which is positioned at the same side with the connector, and the anti-collision part can prevent the ship body from directly impacting the outer cylinder.
7. The heave compensation system of claim 4, wherein: the ship body is provided with a winch, and a rope tied on the mooring bollard can be wound through the winch, so that the ship body can be close to the ship connecting device.
CN201810317293.4A 2018-04-10 2018-04-10 Offshore personnel embarkation wave compensator and wave compensation system thereof Expired - Fee Related CN110356516B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810317293.4A CN110356516B (en) 2018-04-10 2018-04-10 Offshore personnel embarkation wave compensator and wave compensation system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810317293.4A CN110356516B (en) 2018-04-10 2018-04-10 Offshore personnel embarkation wave compensator and wave compensation system thereof

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CN110356516A CN110356516A (en) 2019-10-22
CN110356516B true CN110356516B (en) 2020-05-29

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102001421A (en) * 2010-12-13 2011-04-06 江南大学 Hydraulic boarding ladder
NL2009740C2 (en) * 2012-11-01 2014-05-06 Ihc Holland Ie Bv Device for and method of transferring personnel, equipment and/or structural elements from a surface vessel to an offshore structure.
EP2757034A1 (en) * 2013-01-17 2014-07-23 OSBIT Power Limited Access apparatus for offshore structure
DE102013000976A1 (en) * 2013-01-22 2014-07-24 FHS Förder-und Hebesysteme GmbH Method and device for creating a transition between a watercraft and an offshore facility
CN109591972B (en) * 2014-03-03 2020-08-11 伊特里克公司 Offshore drilling vessel and method
CN205203294U (en) * 2015-11-26 2016-05-04 哈尔滨工程大学 Marine extension ladder of articulated type
CN107054571A (en) * 2016-12-23 2017-08-18 湖北华舟重工应急装备股份有限公司 Three Degree Of Freedom compensation of undulation, which is stepped on, multiplies trestle
CN108545149B (en) * 2018-03-30 2019-09-13 华中科技大学 A kind of tandem heave compensation device peculiar to vessel

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