CN216546604U - Liquid slip ring for single point mooring system - Google Patents
Liquid slip ring for single point mooring system Download PDFInfo
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- CN216546604U CN216546604U CN202123327587.1U CN202123327587U CN216546604U CN 216546604 U CN216546604 U CN 216546604U CN 202123327587 U CN202123327587 U CN 202123327587U CN 216546604 U CN216546604 U CN 216546604U
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Abstract
The utility model discloses a liquid slip ring for a single-point mooring system, relates to the technical field of ocean engineering equipment, and particularly relates to a high-pressure large-caliber liquid slip ring for the single-point mooring system. The large-diameter liquid slip ring can transmit high-pressure fluid media and comprises an inner ring, an outer ring, a top cover, an inlet pipe flange, an outlet pipe flange, a base, a driving flange, a sealing system, a bearing water-proof cover, a bearing lubricating and filling system, a leakage liquid collecting box, a slip ring operation condition online monitoring system and the like. An inner ring with a step-shaped circular truncated cone is arranged on the base; the inner ring of the turntable bearing is arranged on the circular table at the lowest part of the inner ring; the outer ring is arranged on the outer ring of the turntable bearing; the top cover is arranged on the inner ring; fluid medium channels are arranged on the inner ring cylinder and the outer ring; the outer ring rotates around the inner ring by means of the turntable bearing under the action of the driving flange; and the sealing effect is ensured by adopting multiple sealing. A plurality of large-caliber hydraulic slip rings are connected up and down to form a hydraulic slip ring set.
Description
Technical Field
The utility model discloses a liquid slip ring for a single-point mooring system, relates to the technical field of ocean engineering equipment, and particularly relates to a high-pressure large-caliber liquid slip ring for the single-point mooring system.
Background
The liquid slip ring is also called a liquid rotary joint, is a transfer device for connecting an offshore floating body and a submarine pipeline, mainly has the function of realizing medium transportation under the condition that the floating body rotates, and is core equipment of a single-point mooring system. With the development process of offshore oil, high pressure and large caliber become the development trend of single point mooring liquid slip rings. Due to the fact that the working condition of the offshore operation environment is severe, along with the increase of withstand voltage and the increase of the caliber of the liquid slip ring, strict requirements are provided for the stability and the reliability of the liquid slip ring.
At present, no domestic high-pressure large-caliber single-point mooring liquid slip ring is put into practical application, the design and manufacturing technology of the high-pressure large-caliber single-point mooring liquid slip ring is monopolized abroad, and the cost is high.
A high-pressure large-caliber hydraulic slip ring designed and manufactured abroad usually adopts a hydraulic slip ring group form, a fixed inner ring is adopted, a plurality of outer rings are sleeved on the inner ring, a spacing ring and a thrust bearing are arranged between the outer rings, a locking ring and a large locking nut are arranged at the top of the hydraulic slip ring group, and an inlet for connecting a pipeline is arranged on the outer cylindrical surface at the bottom of the inner ring. The hydraulic slip ring group has a complex structure and is not easy to assemble and disassemble. If one of the hydraulic slip rings has a fault, the whole hydraulic slip ring set needs to be disassembled.
In view of the problems in the prior art, it is necessary to develop a novel high-pressure large-caliber hydraulic slip ring for a single-point mooring system to overcome the problems in the prior art.
Disclosure of Invention
According to the technical problems that a high-pressure large-caliber liquid slip ring set provided by the prior art is complex in structure, difficult to disassemble and assemble, cannot be independently disassembled and is inconvenient to maintain, the liquid slip ring for the single-point mooring system is provided. The utility model provides a large-caliber liquid slip ring group capable of safely and reliably transmitting high-pressure fluid media, each liquid slip ring is a large-caliber liquid slip ring and can transmit high-pressure fluid, each liquid slip ring is relatively independent and can be independently disassembled or assembled, and the large-caliber liquid slip ring group has the characteristics of stable rotation, good sealing property, easiness in installation, convenience in maintenance, capability of transmitting high-pressure fluid media, high transmission efficiency and the like.
The technical means adopted by the utility model are as follows:
a liquid slip ring for a single point mooring system is characterized in that a medium pipe cavity, an inlet pipe and an outlet pipe in the liquid slip ring are large in caliber, and high-pressure fluid media can be transmitted. The structural center of the liquid slip ring is provided with a hollow inner hole which penetrates through the upper and lower parts of the liquid slip ring, and a structural interface connected with the upper and lower slip rings is arranged, and the upper and lower large-caliber liquid slip rings are connected to form a liquid slip ring set;
further, a hydro-slip ring for a single point mooring system comprises: the online monitoring system comprises an inner ring, a bearing, an outer ring, a top cover, a base, a slip ring operation condition online monitoring system and a driving flange;
further, the bottom of the base is connected to a fixed platform of the single point mooring system through bolts;
further, the bottom of the inner ring is provided with a bolt hole and is fixed to the top of the base through a bolt;
furthermore, the lower part of the inner ring is a step-shaped circular table, and the inner ring of the bearing is fixed on the circular table at the lowest part of the inner ring through a bolt;
further, the bottom of the outer ring is provided with a bolt hole which is fixedly arranged on the outer ring of the bearing through a bolt;
furthermore, the outer part of each groove on the top surface and the bottom surface of the outer ring is respectively provided with two leak detection holes, the other end of each leak detection hole is arranged on the outer cylindrical surface, and a sensor of the slip ring operation condition online monitoring system is arranged at the leak detection hole on the outer cylindrical surface;
further, the top of the inner ring is provided with a bolt hole, and the top cover is fixed on the inner ring through a bolt;
furthermore, a bolt hole is formed in the top cover, and the top cover is connected with a base of the upper sliding ring through a bolt;
further, a drive flange is connected with the outer ring.
Furthermore, the bearing adopts a high-precision three-row cylindrical roller combined turntable bearing, and is arranged between bosses at the bottom of the outer ring and the bottom of the inner ring;
furthermore, the inner ring and the outer ring are respectively connected with the inner ring and the outer ring of the bearing to form a rotary pair;
furthermore, three annular grooves are formed in the circular truncated cone at the middle lower part of the inner ring, a spring energy storage sealing ring A, a spring energy storage sealing ring B and a spring energy storage sealing ring C are respectively placed in the three annular grooves and used for dynamic sealing between the inner ring and the outer ring, and a sand accumulation groove is formed in the innermost side of the circular truncated cone;
furthermore, two annular grooves are formed in the top end face of the inner ring, and an O-shaped ring A and an O-shaped ring B are respectively placed on the two annular grooves and used for sealing with the top cover;
furthermore, the bottom surface of the inner ring is provided with an opening, the opening is connected with a pipe flange B of the inlet pipe through a bolt, and the other side of the opening is opened to the outer cylindrical surface of the inner ring and is used for being connected with the annular cavity of the outer ring;
furthermore, the center of the inner ring is provided with a hollow inner hole which penetrates through the inner ring up and down and is used for the passage of the optical fiber and the cable of the photoelectric slip ring at the top of the liquid slip ring group;
furthermore, the inner ring is provided with a corresponding through hole for installing a pipeline channel of the upper liquid slip ring;
furthermore, a large blind hole is formed in the corresponding position of the bottom of the inner ring and used for reducing weight.
Furthermore, an opening of the annular cavity is formed in the inner cylindrical surface of the outer ring, an opening communicated with the annular cavity is formed in the outer cylindrical surface, and the opening is connected with a pipe flange A of the outlet pipe through a bolt;
furthermore, four annular grooves are formed in the top surface of the outer ring, a seawater-proof sealing ring A is arranged in the outermost annular groove, and a spring energy storage sealing ring A, a spring energy storage sealing ring B and a spring energy storage sealing ring C are respectively arranged in the three inner annular grooves and used for sealing between the outer ring and the top cover;
furthermore, 2 annular grooves are respectively formed in the inner cylindrical surfaces at the upper part and the lower part of the opening of the annular cavity of the outer ring, and a sand-proof sealing ring A and a sand-proof sealing ring B are respectively placed in the grooves and used for sand-proof sealing between the inner cylindrical surface of the outer ring and the outer cylindrical surface of the inner ring;
furthermore, the sand-proof sealing ring A is a Glare ring used for preventing coarse sand and sedimentation;
furthermore, the WO ring is selected as the sand-proof sealing ring B and used for preventing fine sand and impurities.
Further, the bottom surface of the outer ring is provided with bolt holes, and the bearing waterproof cover is fixed to the bottom of the outer ring through bolts;
furthermore, two annular grooves are formed in the top end face of the bearing waterproof cover, and an O-shaped ring C and an O-shaped ring D are respectively placed on the two annular grooves and used for sealing between the bearing waterproof cover and the outer ring;
furthermore, two annular grooves are formed in the upper end face of the bottom of the bearing waterproof cover, and a seawater-proof sealing ring B and a seawater-proof sealing ring C are respectively arranged and used for sealing between the bearing waterproof cover and the inner ring;
further, the bearing shield is used to protect the bearing from the corrosive effects of ocean humid air and seawater.
Furthermore, a leakage collecting box is arranged on a boss at the lower part of the outer ring.
Furthermore, the top cover is provided with a corresponding through hole for installing a pipeline channel of the liquid slip ring above the top cover.
Further, the inner ring, the outer ring, the top cover, the pipe flange A, the pipe flange B and the driving flange are made of duplex stainless steel forgings.
The working process of the utility model is as follows:
the subsea pipeline is connected to the inner ring of the liquid slip ring via a riser (inlet/outlet pipeline), the outer ring is connected to the outlet/inlet pipeline, and the crude oil produced from the drilling platform is transmitted to the FPSO via the liquid slip ring via the subsea pipeline; the produced water on the FPSO is transmitted to the drilling platform through the water injection slip ring and the submarine pipeline.
The top cover, the inner ring and the base are connected to a main bearing inner ring of the single-point mooring system through bolts, are indirectly connected to the jacket and are in a relative static state with the seabed. A drive flange mounted to the outer ring is connected to the single point mooring turret and the outer ring and the outlet/inlet lines are free to rotate 360 ° around the inner ring under the "weathervane effect" along with the FPSO by means of a slewing bearing between the inner and outer rings.
Compared with the prior art, the utility model has the following advantages:
1. according to the liquid slip ring for the single-point mooring system, each liquid slip ring can transmit a high-pressure fluid medium, the caliber of each liquid slip ring is large, and the production efficiency is high;
2. the liquid slip ring for the single-point mooring system provided by the utility model adopts the embedded high-precision three-row column roller combined turntable bearing, and the liquid slip ring has good rotation stability;
3. the hydraulic slip ring for the single-point mooring system provided by the utility model adopts a multiple sealing structure, has a mud and sand prevention function and is good in sealing property;
4. according to the liquid slip ring for the single-point mooring system, 2 sand-proof sealing rings are respectively placed in the inner cylindrical surface grooves at the upper part and the lower part of the annular cavity opening of the liquid slip ring, so that gravel in crude oil can be prevented from entering the spring energy storage sealing ring, and the service life of the spring energy storage sealing ring is prolonged;
5. the utility model provides a liquid slip ring for a single-point mooring system.A three spring energy storage sealing rings are respectively arranged in annular grooves of circular tables at the upper plane of an outer ring and the lower part of an inner ring and used for sealing a high-pressure medium in a cavity;
6. the liquid slip ring for the single-point mooring system has the advantages that the structure is compact and reasonable, and the liquid slip ring is easy to install;
7. according to the liquid slip ring for the single-point mooring system, each liquid slip ring is independent, and one liquid slip ring can be independently disassembled, so that the maintenance is convenient;
8. the utility model provides a liquid slip ring for a single-point mooring system, wherein a plurality of liquid slip rings can be stacked into a slip ring group for use.
In conclusion, the technical scheme of the utility model solves the problems that the high-pressure large-caliber hydraulic slip ring group in the prior art is complex in structure, difficult to disassemble and assemble, incapable of independently disassembling one hydraulic slip ring and inconvenient to maintain.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a partially enlarged view of an assembly portion of an inner ring, a bearing and an outer ring of the present invention.
In the figure: 1. the device comprises an inner ring 2, a bearing 3, a spring energy storage sealing ring A4, a spring energy storage sealing ring B5, a spring energy storage sealing ring C6, an outer ring 7, a sand prevention sealing ring A8, a sand prevention sealing ring B9, a seawater prevention sealing ring A10, a top cover 11, a pipe flange A12, a pipe flange B13, an O-shaped ring A14, an O-shaped ring B15, a leaked liquid collection box 16, an O-shaped ring C17, an O-shaped ring D18, a bearing waterproof cover 19, a seawater prevention sealing ring B20, a seawater prevention sealing ring C21, a base 22, a slip ring operation condition online monitoring system 23, a driving flange 24, a bearing grease injection connecting pipe 25 and a bearing grease discharge connecting pipe.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in the figure, the utility model provides a liquid slip ring for a single-point mooring system, wherein a medium pipe cavity in the liquid slip ring, an inlet pipe and an outlet pipe are large in caliber, and high-pressure fluid medium can be transmitted. The structural center of the liquid slip ring is provided with a hollow inner hole which penetrates through the upper and lower parts of the liquid slip ring, and a structural interface connected with the upper and lower slip rings is arranged, and the upper and lower large-caliber liquid slip rings are connected to form a liquid slip ring set;
a hydro-slip ring for a single point mooring system comprising: the device comprises an inner ring 1, a bearing 2, an outer ring 6, a top cover 10, a base 21, a slip ring operation condition online monitoring system 22 and a driving flange 23; the bottom of the base 21 is connected to a fixed platform of the single point mooring system through bolts; the bottom of the inner ring 1 is provided with bolt holes and is fixed to the top of the base 21 through bolts; the lower part of the inner ring 1 is a step-shaped circular table, and the inner ring of the bearing 2 is fixed on the circular table at the lowest part of the inner ring 1 through a bolt; the bottom of the outer ring 6 is provided with a bolt hole which is fixedly arranged on the outer ring of the bearing 2 through a bolt; two leakage detecting holes are respectively arranged outside each groove on the top surface and the bottom surface of the outer ring 6, the other end of each leakage detecting hole is arranged on the outer cylindrical surface, and a sensor of the slip ring operation state online monitoring system 22 is arranged at the leakage detecting hole on the outer cylindrical surface; the top of the inner ring 1 is provided with a bolt hole, and the top cover 10 is fixed on the inner ring 1 through a bolt; the top cover 1 is provided with a bolt hole which is connected with a base 21 of the upper sliding ring through a bolt; the drive flange 23 is connected to the outer ring 6.
The bearing 2 adopts a high-precision three-row cylindrical roller combined turntable bearing, and the bearing 2 is arranged between the bottom of the outer ring 6 and a boss at the bottom of the inner ring 1; the inner ring 1 and the outer ring 6 are respectively connected with the inner ring and the outer ring of the bearing 2 to form a rotary pair.
The circular truncated cone at the middle lower part of the inner ring 1 is provided with three annular grooves, a spring energy storage sealing ring A3, a spring energy storage sealing ring B4 and a spring energy storage sealing ring C5 are respectively placed on the three annular grooves and used for dynamic sealing between the inner ring 1 and the outer ring 6, and a sand accumulation groove is formed in the innermost side of the circular truncated cone; two annular grooves are formed in the top end face of the inner ring 1, and an O-ring A13 and an O-ring B14 are respectively placed on the two annular grooves and used for sealing with the top cover 10; the bottom surface of the inner ring 1 is provided with an opening, a pipe flange B12 of an inlet pipe is connected through a bolt, and the other side of the opening is opened on the outer cylindrical surface of the inner ring 1 and is used for being connected with the annular cavity of the outer ring 6; the center of the inner ring 1 is provided with a hollow inner hole which penetrates through the inner ring up and down and is used for a channel of an optical fiber and a cable of the photoelectric slip ring at the top of the liquid slip ring group; the inner ring 1 is provided with a corresponding through hole for installing a pipeline channel of the upper liquid slip ring; and a large blind hole is formed at the corresponding position of the bottom of the inner ring 1 and used for reducing weight.
An opening of the annular cavity is formed in the inner cylindrical surface of the outer ring 6, an opening communicated with the annular cavity is formed in the outer cylindrical surface, and the opening is connected with a pipe flange A11 of the outlet pipe through a bolt; the top surface of the outer ring 6 is provided with four annular grooves, seawater-proof sealing rings A9 are arranged in the annular groove at the outermost side, and spring energy storage sealing rings A3, spring energy storage sealing rings B4 and spring energy storage sealing rings C5 are respectively arranged in the three annular grooves in the outer ring for sealing between the outer ring 6 and the top cover 10; 2 annular grooves are respectively formed in the inner cylindrical surfaces of the upper part and the lower part of the annular cavity opening of the outer ring 6, and a sand control sealing ring A7 and a sand control sealing ring B8 are respectively placed in the grooves and used for sand control sealing between the inner cylindrical surface of the outer ring 6 and the outer cylindrical surface of the inner ring 1; the sand control sealing ring A7 is made of a Glare ring and is used for preventing coarse sand and sediment; the WO ring is selected as the sand control sealing ring B8 and is used for preventing fine sand and impurities.
The bottom surface of the outer ring 6 is provided with bolt holes, and the bearing waterproof cover 18 is fixed to the bottom of the outer ring 6 through bolts; two annular grooves are formed in the top end face of the bearing waterproof cover 18, and an O-shaped ring C16 and an O-shaped ring D17 are respectively placed on the two annular grooves and used for sealing between the bearing waterproof cover 18 and the outer ring 6; two annular grooves are formed in the upper end face of the bottom of the bearing waterproof cover 18, and a seawater-proof sealing ring B19 and a seawater-proof sealing ring C20 are respectively arranged and used for sealing between the bearing waterproof cover 18 and the inner ring 1; the bearing shield 18 serves to protect the bearing 2 from the corrosive effects of ocean humid air and seawater on the bearing 2.
And a leakage liquid collecting box 15 is arranged on a boss at the lower part of the outer ring 6.
The top cover 10 is provided with corresponding through holes for installing a pipeline channel of the liquid slip ring at the upper part thereof.
The bearing water-proof cover 18 is provided with a plurality of bearing grease injection connecting pipes 24 and bearing grease discharge connecting pipes 25, one ends of the connecting pipes are respectively connected with grease injection holes or grease discharge holes on the bearings, and the other ends of the connecting pipes are connected with an electric centralized lubricating device for injecting grease and discharging grease on the bearings.
The materials of the inner ring 1, the outer ring 6, the top cover 10, the pipe flange A11, the pipe flange B12 and the driving flange 23 are made of duplex stainless steel forgings.
The embodiment is a single-point mooring liquid slip ring group consisting of 3 sets of high-pressure large-caliber liquid slip rings; the liquid slip ring group consists of 2 sets of mixed transportation slip rings and 1 set of water injection slip rings from top to bottom; the design pressure of the mixed transportation slip ring and the water injection slip ring is 14 MPa; the inlet and outlet pipes of the mixed transmission slip ring are 12' single channels; the inlet pipe and the outlet pipe of the water injection slip ring are 14' double channels. Crude oil produced from a drilling platform is transmitted to the FPSO through a submarine pipeline via a mixed transportation slip ring; the produced water on the FPSO is transported to the drilling platform through the water injection slip ring and the subsea pipeline.
The technical scheme of the utility model solves the problems that the high-pressure large-caliber hydraulic slip ring group in the prior art is complex in structure, difficult to disassemble and assemble, incapable of independently disassembling one hydraulic slip ring and inconvenient to maintain.
The single-point mooring liquid slip ring breaks through the technical monopoly of foreign companies, and realizes the localization of the high-pressure large-caliber single-point mooring liquid slip ring set. The large-caliber hydraulic slip rings are independent, one hydraulic slip ring can be independently disassembled, and the hydraulic slip ring has the characteristics of stable rotation, good sealing performance, easiness in installation, convenience in maintenance, capability of transmitting high-pressure fluid media, high transmission efficiency and the like.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A hydro-slip ring for a single point mooring system, characterized by:
the inner medium pipe cavity, the inlet pipe and the outlet pipe of the liquid slip ring for the single-point mooring system are large in caliber and can transmit high-pressure fluid medium, the structural center of the liquid slip ring is provided with a hollow inner hole which penetrates through the liquid slip ring up and down and a structural interface which is connected with the upper slip ring and the lower slip ring, and the upper liquid slip ring and the lower liquid slip ring are connected to form a liquid slip ring set;
the liquid slip ring for the single-point mooring system comprises: the device comprises an inner ring (1), a bearing (2), an outer ring (6), a top cover (10), a base (21), a slip ring operation condition online monitoring system (22) and a driving flange (23);
the bottom of the base (21) is connected to a fixed platform of the single-point mooring system through bolts;
the bottom of the inner ring (1) is provided with a bolt hole and is fixed to the top of the base (21) through a bolt;
the lower part of the inner ring (1) is a step-shaped circular table, and the inner ring of the bearing (2) is fixed on the circular table at the lowest part of the inner ring (1) through a bolt;
the bottom of the outer ring (6) is provided with a bolt hole and is fixedly arranged on the outer ring of the bearing (2) through a bolt;
the outer parts of all the grooves on the top surface and the bottom surface of the outer ring (6) are respectively provided with two leak detection holes, the other end of each leak detection hole is arranged on the outer cylindrical surface, and a sensor of the slip ring operation condition online monitoring system (22) is arranged at the leak detection hole on the outer cylindrical surface;
the top of the inner ring (1) is provided with a bolt hole, and the top cover (10) is fixed on the inner ring (1) through a bolt;
the top cover (10) is provided with a bolt hole and is connected with a base (21) of the upper sliding ring through a bolt;
the driving flange (23) is connected with the outer ring (6).
2. The hydro-slip ring for a single point mooring system as defined in claim 1, wherein:
the bearing (2) adopts a high-precision three-row cylindrical roller combined turntable bearing, and the bearing (2) is arranged between bosses at the bottom of the outer ring (6) and the bottom of the inner ring (1);
the inner ring (1) and the outer ring (6) are respectively connected with the inner ring and the outer ring of the bearing (2) to form a rotary pair.
3. The hydro-slip ring for a single point mooring system as defined in claim 2, wherein:
the circular truncated cone at the middle lower part of the inner ring (1) is provided with three annular grooves, a spring energy storage sealing ring A (3), a spring energy storage sealing ring B (4) and a spring energy storage sealing ring C (5) are respectively placed on the three annular grooves and used for dynamic sealing between the inner ring (1) and the outer ring (6), and the innermost side of the circular truncated cone is provided with a sand accumulation groove;
two annular grooves are formed in the top end face of the inner ring (1), and an O-shaped ring A (13) and an O-shaped ring B (14) are respectively placed on the two annular grooves and used for sealing the top cover (10);
the bottom surface of the inner ring (1) is provided with an opening, the opening is connected with a pipe flange B (12) of the inlet pipe through a bolt, and the other side of the opening is opened on the outer cylindrical surface of the inner ring (1) and is used for being connected with the annular cavity of the outer ring (6);
the center of the inner ring (1) is provided with a hollow inner hole which penetrates through the inner ring up and down and is used for a channel of an optical fiber and a cable of the photoelectric slip ring at the top of the liquid slip ring group;
the inner ring (1) is provided with corresponding through holes and is used for installing a pipeline channel of the liquid slip ring above the inner ring;
and a large blind hole is formed in the corresponding position of the bottom of the inner ring (1) and used for reducing weight.
4. A hydro-slip ring for a single point mooring system as defined in claim 3, wherein:
an opening of an annular cavity is formed in the inner cylindrical surface of the outer ring (6), an opening communicated with the annular cavity is formed in the outer cylindrical surface, and the opening is connected with a pipe flange A (11) of the outlet pipe through a bolt;
the top surface of the outer ring (6) is provided with four annular grooves, a seawater-proof sealing ring A (9) is arranged in the annular groove at the outermost side, and a spring energy storage sealing ring A (3), a spring energy storage sealing ring B (4) and a spring energy storage sealing ring C (5) are respectively arranged in the three annular grooves inside and are used for sealing between the outer ring (6) and the top cover (10);
2 annular grooves are respectively formed in the upper inner cylindrical surfaces and the lower inner cylindrical surfaces of the annular cavity opening of the outer ring (6), and a sand control sealing ring A (7) and a sand control sealing ring B (8) are respectively placed in the grooves and used for sand control sealing between the inner cylindrical surface of the outer ring (6) and the outer cylindrical surface of the inner ring (1);
the sand-proof sealing ring A (7) is a Glare ring and is used for preventing coarse sand and sedimentation;
the sand control sealing ring B (8) adopts a WO ring for preventing fine sand and impurities.
5. The hydro-slip ring for a single point mooring system as defined in claim 4, wherein:
the bottom surface of the outer ring (6) is provided with bolt holes, and the bearing waterproof cover (18) is fixed to the bottom of the outer ring (6) through bolts;
two annular grooves are formed in the top end face of the bearing waterproof cover (18), and an O-shaped ring C (16) and an O-shaped ring D (17) are respectively placed on the two annular grooves and used for sealing between the bearing waterproof cover (18) and the outer ring (6);
the upper end face of the bottom of the bearing waterproof cover (18) is provided with two annular grooves, and a seawater-proof sealing ring B (19) and a seawater-proof sealing ring C (20) are respectively arranged on the two annular grooves and used for sealing between the bearing waterproof cover (18) and the inner ring (1);
the bearing waterproof cover (18) is used for protecting the bearing (2) and preventing the bearing (2) from being corroded by ocean humid air and seawater.
6. The hydro-slip ring for a single point mooring system as defined in claim 5, wherein:
and a leakage collecting box (15) is arranged on the boss at the lower part of the outer ring (6).
7. The hydro-slip ring for a single point mooring system as defined in claim 1, wherein:
the top cover (10) is provided with corresponding through holes for installing a pipeline channel of the liquid slip ring above the top cover.
8. The hydro-slip ring for a single point mooring system as defined in claim 1, wherein:
the inner ring (1), the outer ring (6), the top cover (10), the pipe flange A (11), the pipe flange B (12) and the driving flange (23) are made of duplex stainless steel forgings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123327587.1U CN216546604U (en) | 2021-12-27 | 2021-12-27 | Liquid slip ring for single point mooring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123327587.1U CN216546604U (en) | 2021-12-27 | 2021-12-27 | Liquid slip ring for single point mooring system |
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| Publication Number | Publication Date |
|---|---|
| CN216546604U true CN216546604U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123327587.1U Withdrawn - After Issue CN216546604U (en) | 2021-12-27 | 2021-12-27 | Liquid slip ring for single point mooring system |
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| Country | Link |
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| CN (1) | CN216546604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179976A (en) * | 2021-12-27 | 2022-03-15 | 大连华锐重工集团股份有限公司 | Liquid slip ring for single-point mooring system |
-
2021
- 2021-12-27 CN CN202123327587.1U patent/CN216546604U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179976A (en) * | 2021-12-27 | 2022-03-15 | 大连华锐重工集团股份有限公司 | Liquid slip ring for single-point mooring system |
| CN114179976B (en) * | 2021-12-27 | 2023-08-22 | 大连华锐重工集团股份有限公司 | Liquid slip ring for single point mooring system |
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