CN111237567B

CN111237567B - Fluid slip ring for single-point mooring device

Info

Publication number: CN111237567B
Application number: CN202010017352.3A
Authority: CN
Inventors: 陈刚
Original assignee: Shandong Yinan Park Development And Construction Co ltd
Current assignee: Shandong Yinan park development and Construction Co.,Ltd.
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2021-11-02
Anticipated expiration: 2040-01-08
Also published as: CN111237567A

Abstract

The invention relates to the technical field of ocean engineering and discloses a fluid slip ring for a single-point mooring device. Because the stormy waves in the sea make regularly, seldom cause engineering ship to rotate around the mooring arrangement wide-angle in daily time, this single-point mooring arrangement sacrifices the ability of wide-angle rotation with the fluid sliding ring, realize fluid intercommunication through the connection of connector and last connector down, the rotation effect between outer loop and the inner ring, the effect of wave and the effort of boats and ships are born by outer loop and inner ring completely, the effort between connector and the last connector is invariable down, wear and tear is even and little, secondly, less to coaxial requirement, it is more convenient to install, high temperature high pressure medium circulates in connector and the last connector down, fluid pressure is less to the influence of sealing member, to the temperature, the application scope of pressure is wider.

Description

Fluid slip ring for single-point mooring device

Technical Field

The invention relates to the technical field of ocean engineering, in particular to a fluid slip ring for a single-point mooring device.

Background

The single point mooring means that the marine engineering vessel is moored on another fixed or floating structure in a single point mode, the vessel can make 360-degree rotation around the structure along with storm flow, the moored vessel can be moored at the position with the minimum environmental force due to the weathervane effect, and the vessel has a fluid transfer function for marine oil and gas exploitation.

Referring to fig. 1, a communication cavity between the inner ring and the outer ring is sealed by a sealing element, surface matching abrasion can cause slip ring leakage, and the service life of the fluid slip ring is limited, while the marine engineering ship has large mass, and the pressure on the slip ring is usually deviated from one side, so that the loss of the sealing element is uneven, the service life of the sealing element is further shortened, and then the service life of the slip ring is shortened due to vibration caused by sea waves and rotation non-coaxiality between the inner ring and the outer ring.

On the other hand, in some other projects, some high-temperature, high-pressure and high-corrosion media can be conveyed, for example, in oil exploitation, high-pressure steam can be conveyed to increase the temperature of oil so as to reduce the viscosity of the oil and improve the oil conveying speed, a large-caliber and high-pressure fluid slip ring is used, the generated axial force of the media is large, and the reliability and safety of sealing and rotation are poor.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the technical scheme of the fluid slip ring for the single-point mooring device, which has the advantages of longer service life, high structural strength, wider applicability and the like and solves the problems in the background technology.

The invention provides the following technical scheme: a fluid slip ring for a single-point mooring device comprises a mounting flange, an outer ring and an inner ring, wherein the upper end of the mounting flange is fixedly connected with the inner ring, the outer side wall of the mounting flange is sleeved with the outer ring, the inner wall of the outer ring is movably connected with lower connectors through moving members, at least two groups of the moving members and the lower connectors are arranged, the moving members move in a circular arc manner, a plurality of the moving members form a circular ring, the outer side wall of the inner ring is provided with an upper connector corresponding to the lower connectors, a control valve is fixedly installed on the upper connector, an elastic structure for driving the control valve to be closed is arranged in the control valve, a control boss corresponding to the control valve is arranged on the inner side wall of the outer ring, the control boss is positioned in the axial projection of the movement track of the moving members, and a control shaft (B) of the control valve is higher than the upper end face of the control boss, the control rod (A) of the control valve is perpendicular to the control boss and can be in contact with the side face of the control boss, a reset piece which is used for controlling the moving piece to be separated from the upper connector and enabling the moving piece to return to the original position is arranged on the inner wall of the outer ring, the bottom of the lower connector is communicated with a buffer cavity through a hose, and the buffer cavity is communicated with conveying equipment through an output connector.

Preferably, the moving member lower extreme drives the pivot of gyro wheel, but the swing joint of up-and-down motion is between the middle part of moving member and the lower connector, the lateral wall of moving member is equipped with the spring of hugging closely lower connector bottom, the upper end of lower connector is equipped with the holding ring.

Preferably, the piece that resets includes spout, elastic component, torsion member and locating piece, the both ends of moving member are equipped with the spout, fixedly connected with torsion member between the one end of spout and the moving member, the lateral wall of moving member is equipped with the pivoted elastic component of drive moving member, the inboard position that is close to the endpoint of spout is equipped with the locating piece.

Preferably, be located the below the both ends of spout bottom all are equipped with the inclined plane, work as the moving member is located the inclined plane, the lateral wall of connector and last connector breaks away from the contact down, when the moving member is located the plane, moving member and last connector joint.

Preferably, the quantity of moving member and lower connector is four groups, the both ends of spout all are equipped with a set of moving member and lower connector, all have a lower connector when making the outer ring arbitrary direction rotatory can with last connector cooperation.

Preferably, the cross-section of control boss is for the "concave" font of putting of side, the bottom of control boss is equipped with the inclined plane, the outer loop is equipped with the holding tank with control boss adaptation, be equipped with resilient means between control boss and the outer loop, the connector is equipped with the arch with control boss inclined plane contact down, when connector and last connector dock completely down, the control boss spills completely, when connector and last connector dock incompletely down, control boss and control valve contactless.

The invention has the following beneficial effects:

1. because the stormy waves in the ocean make regularly, seldom cause engineering ship to rotate around the mooring arrangement wide-angle in daily time, this single-point mooring arrangement sacrifices the ability of wide-angle rotation with the fluid sliding ring, realize fluid intercommunication through the connection of lower connector and last connector, on the one hand, the rotational action between outer loop and the inner ring, the effect of wave and the effort of boats and ships are born by outer loop and inner ring completely, the effort between lower connector and the last connector is invariable, wear and tear is even and little, long service life, on the other hand, it is less to coaxial requirement, it is more convenient to install.

2. According to the fluid slip ring for the single-point mooring device, a high-temperature and high-pressure medium circulates in the lower connector and the upper connector, the influence of fluid pressure on a sealing element is less, and the application range of the fluid slip ring to temperature and pressure is wider.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a reset member of the present invention;

FIG. 4 is a schematic view of a control boss of the present invention;

FIG. 5 is a schematic view of the upper and lower connectors of the present invention;

FIG. 6 is a schematic view of the structure of the chute of the present invention;

fig. 7 is a schematic structural view of a conventional fluid slip ring.

In the figure: 1. installing a flange; 2. an outer ring; 3. an inner ring; 4. a moving member; 5. a lower connector; 6. a reset member; 61. a chute; 62. an elastic member; 63. a torsion member; 64. positioning blocks; 7. a hose; 8. an upper connector; 9. a buffer chamber; 10. an output connector; 11. controlling the boss; 12. a control valve; 12A, a control rod; 12B, a control shaft; 13. a retaining ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a fluid slip ring for a single point mooring device comprises a mounting flange 1, an outer ring 2 and an inner ring 3, the upper end of the mounting flange 1 is fixedly connected with the inner ring 3, the outer side wall of the mounting flange 1 is sleeved with the outer ring 2, a thrust bearing is fixedly installed between the mounting flange 1 and the outer ring 2, a rolling bearing is installed between the outer ring 2 and the inner ring 3, the inner wall of the outer ring 2 is movably connected with a lower connector 5 through a moving member 4, at least two groups of the moving members 4 and the lower connectors 5 are provided, the moving members 4 move in a circular arc, a plurality of the moving members 4 form a circular ring, when the moving members 4 and the lower connectors 5 can be provided with a plurality of groups, the angles with different height designs are staggered, neutral positions caused by the upper connectors 8 being connected with different upper connectors 8 are avoided, the outer side wall of the inner ring 3 is provided with upper connectors 8 corresponding to the lower connectors 5, along with the relative rotation of the inner ring 3 and the outer ring 2, the lower connector 5 is sequentially matched and hermetically connected with a plurality of corresponding upper connectors 8, a control valve 12 is fixedly installed on each upper connector 8, an elastic structure for driving the control valve 12 to close is arranged in each control valve 12, a control boss 11 corresponding to the control valve 12 is arranged on the inner side wall of the outer ring 2, the control boss 11 is located in the axial projection of the motion track of the moving member 4, the control valve 12 is opened after the upper connector and the lower connector are connected, the upper connector and the lower connector are separated after the control valve 12 is closed to avoid leakage, a control shaft 12B of the control valve 12 is higher than the upper end face of the control boss 11, a control rod 12A of the control valve 12 is vertical to the control boss 11 and can be contacted with the side face of the control boss 11, when the control boss 11 and the control valve 12 relatively move, the control boss 11 drives the control rod 12A to drive the control shaft 12B to rotate, open control valve 12, make outer loop 2 and inner ring 3 intercommunication, be equipped with on the inner wall of outer loop 2 and control moving member 4 and last connector 8 and break away from and make moving member 4 get back to original position reset piece 6, the bottom of lower connector 5 has cushion chamber 9 through hose 7 intercommunication, the check valve is equipped with on the hose 7, avoid going up connector 8 and breaking away from back reflux, be filled with high-pressure gas in the cushion chamber 9, liquid outflow is more stable when supplementing through atmospheric pressure, cushion chamber 9 passes through output joint 10 intercommunication conveying equipment, the diameter of going up connector 8 is greater than the diameter of output joint 10, and the stability that flow is improved in the cooperation of output joint 10.

Wherein, the lower end of the moving member 4 drives the rotating shaft of the roller, the middle part of the moving member 4 is movably connected with the lower connector 5 in an up-and-down motion way, the outer side wall of the moving member 4 is provided with a spring tightly attached to the bottom of the lower connector 5, the upper end of the lower connector 5 is provided with a positioning ring 13, the positioning ring 13 is a ring with a smaller diameter, the ring is connected with the lower connector 5 through an oblique rod, when the lower connector 5 is aligned with the upper connector 8, the inclined rod contacts with the upper connector 8, the lower connector 5 is integrally moved downwards by the force extrusion spring, after the lower connector 5 is aligned with the upper connector 8, under the action of the spring, the ring enters the upper connector 8, the lower connector 5 and the upper connector 8 are guided to be completely concentric, a sealing element is arranged between the lower connector 5 and the upper connector 8, the lower connector 5 is tightly attached to the upper connector 8 under the elastic force of the spring, and the sealing performance is ensured.

Wherein, reset 6 including spout 61, elastic component 62, torsion member 63 and locating piece 64, the both ends of moving member 4 are equipped with spout 61, spout 61 restricts the removal orbit of moving member 4, fixedly connected with torsion member 63 between the one end of spout 61 and the moving member 4, when connector 5 breaks away from the back with last connector 8, drive moving member 4 and get back to the original position under the effect of torsion member 63 elasticity, the lateral wall of moving member 4 is equipped with drive moving member 4 pivoted elastic component 62, the inboard position that is close to the extreme point of spout 61 is equipped with locating piece 64, it is rotatory under the effect of elastic component 62, and restrict final angle of stopping through locating piece 64, make moving member 4 and connector 5 resume the former state down, prepare for next time with the butt joint of last connector 8.

Wherein, the both ends of the spout 61 bottom that is located the below all are equipped with the inclined plane, and when moving member 4 was located the inclined plane, the lateral wall of lower connector 5 and upper connector 8 broke away from the contact, and when moving member 4 was located the plane, moving

member

4 and 8 joints of upper connector were convenient for lower connector 5 and upper connector 8 break away from, and lower connector 5 got back to the normal position under the effect of moving member 4 after breaking away from.

Wherein, the quantity of moving member 4 and lower connector 5 is four groups, and the both ends of spout 61 all are equipped with a set of moving member 4 and lower connector 5, all have a lower connector 5 when making the arbitrary direction of outer loop 2 rotatory can with last connector 8 cooperation.

Wherein, the cross-section of control boss 11 is for "concave" font of putting of side, the bottom of control boss 11 is equipped with the inclined plane, outer loop 2 is equipped with the holding tank with control boss 11 adaptation, be equipped with resilient means between control boss 11 and the outer loop 2, lower connector 5 is equipped with the arch with control boss 11 inclined plane contact, when lower connector 5 docks with last connector 8 completely, control boss 11 spills completely, when lower connector 5 docks with last connector 8 not completely, control boss 11 and control valve 12 contactless, when lower connector 5 and last connector 8 are for accomplishing the butt joint, avoid control valve 12 to open, and then avoid leaking.

The working principle and the working process of the invention are as follows:

the engineering ship is fixedly connected with the outer side wall of the outer ring 2, the connecting position is reasonably arranged, the middle position of the moving track of the moving piece 4 is the same as the most common wind direction, the output connector 10 is connected with the conveying system, when the rotation angle of the ship around the mounting flange 1 is smaller, the outer ring 2 rotates around the inner ring 3, the acting force between the upper connector 8 and the lower connector 5 drives the lower connector 5 and the moving piece 4 to move, the hose 7 moves along with the lower connector 5, when the rotation angle is larger or 360 degrees, the moving piece 4 moves to the inclined plane position of the chute 61, the control rod 12A is separated from the contact with the control boss 11, under the action of the internal elastic structure of the control valve 12, the control valve 12 is closed, meanwhile, the side walls of the lower connector 5 and the upper connector 8 are separated from the contact, the acting force acts on the inclined rod of the positioning ring 13, and the height of the lower connector 5 is further reduced, the lower connector 5 is separated from the upper connector 8, the upper connector 8 continues to move and is in contact with the lower connector 5 on the other sliding groove 61, the positioning ring 13 is sleeved in the upper connector 8 to drive the lower connector 5 and the moving member 4 to move on the inclined surface of the sliding groove 61, so that the side walls of the lower connector 5 and the upper connector 8 are attached and sealed, the lower connector 5 moves upwards, the control boss 11 is exposed, the control valve 12 is opened by the interaction of the control rod 12A and the control boss 11, and the outer ring 2 is communicated with the inner ring 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single point is fluid sliding ring for mooring device, includes mounting flange (1), outer loop (2) and inner ring (3), the upper end fixedly connected with inner ring (3) of mounting flange (1), outer loop (2), its characterized in that have been cup jointed to the lateral wall of mounting flange (1): the inner wall of the outer ring (2) is movably connected with lower connectors (5) through moving members (4), the number of the moving members (4) and the lower connectors (5) is at least two, the moving members (4) move in an arc manner, the moving members (4) form a circular ring, the outer side wall of the inner ring (3) is provided with upper connectors (8) corresponding to the lower connectors (5), the upper connectors (8) are fixedly provided with control valves (12), the control valves (12) are internally provided with elastic structures for driving the control valves (12) to be closed, the inner side wall of the outer ring (2) is provided with control bosses (11) corresponding to the control valves (12), the control bosses (11) are located in the axial projection of the motion tracks of the moving members (4), and the control shafts (12B) of the control valves (12) are higher than the upper end faces of the control bosses (11), control lever (12A) and control boss (11) of control valve (12) are perpendicular and can contact with the side of control boss (11), be equipped with on the inner wall of outer loop (2) and control moving member (4) and last connector (8) and break away from and make moving member (4) get back to reset piece (6) of original position, the bottom of connector (5) has cushion chamber (9) through hose (7) intercommunication down, cushion chamber (9) communicate conveying equipment through output connector (10).

2. The fluid slip ring for a single point mooring of claim 1, wherein: the utility model discloses a moving member, including moving member (4), lower extreme, the pivot of moving member (4) lower extreme drive gyro wheel, the swing joint for up-and-down motion between the middle part of moving member (4) and lower connector (5), the lateral wall of moving member (4) is equipped with the spring of hugging closely lower connector (5) bottom, the upper end of lower connector (5) is equipped with holding ring (13).

3. The fluid slip ring for a single point mooring of claim 1, wherein: reset piece (6) and include spout (61), elastic component (62), torsion member (63) and locating piece (64), the both ends of moving member (4) are equipped with spout (61), fixedly connected with torsion member (63) between the one end of spout (61) and moving member (4), the lateral wall of moving member (4) is equipped with drive moving member (4) pivoted elastic component (62), the position that spout (61) inboard is close to the extreme point is equipped with locating piece (64).

4. The fluid slip ring for a single point mooring of claim 3, wherein: the both ends that are located the below spout (61) bottom all are equipped with the inclined plane, work as moving member (4) are located the inclined plane, the lateral wall of connector (5) and last connector (8) breaks away from the contact down, when moving member (4) are located the plane, moving member (4) and last connector (8) joint.

5. The fluid slip ring for a single point mooring of claim 3, wherein: the quantity of moving member (4) and lower connector (5) is four groups, the both ends of spout (61) all are equipped with a set of moving member (4) and lower connector (5), all have one lower connector (5) when making outer ring (2) arbitrary direction rotatory can with last connector (8) cooperation.

6. The fluid slip ring for a single point mooring of claim 1, wherein: the cross-section of control boss (11) is for the "concave" font of side putting, the bottom of control boss (11) is equipped with the inclined plane, outer loop (2) are equipped with the holding tank with control boss (11) adaptation, be equipped with resilient means between control boss (11) and outer loop (2), connector (5) are equipped with the arch with control boss (11) inclined plane contact down, when connector (5) and last connector (8) dock completely down, control boss (11) spill completely, when connector (5) and last connector (8) dock incompletely down, control boss (11) and control valve (12) contactless.