CN216056450U

CN216056450U - Power transmission device capable of realizing power supply from FPSO to platform

Info

Publication number: CN216056450U
Application number: CN202122680287.5U
Authority: CN
Inventors: 邱小波; 李春祥; 王永生; 郑虎斌; 叶乔华; 凌聪; 程朝阳; 陈水冰; 王栋; 庞广超; 朱丽娟
Original assignee: CNOOC Energy Development of Equipment and Technology Co Ltd; CNOOC Energy Development of Equipment and Technology Co Ltd Zhanjiang Branch
Current assignee: Western South China Sea Petroleum Oilfield Services Shenzhen Co ltd; CNOOC Energy Development of Equipment and Technology Co Ltd; CNOOC Energy Development of Equipment and Technology Co Ltd Zhanjiang Branch
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-15
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a power transmission device capable of realizing power supply of a FPSO (floating production storage and offloading) to a platform, which comprises a supporting platform, a roller mechanism, a counterweight mechanism, a transmission mechanism, a monitoring device and a power supply device, wherein the roller mechanism is arranged on the supporting platform; the roller mechanism, the counterweight mechanism, the transmission mechanism, the monitoring device and the power supply device are arranged on the supporting platform; the roller mechanism is connected with the power supply device through the transmission mechanism, and the counterweight mechanism is connected with the roller mechanism; the roller mechanism is in sliding fit with the supporting platform, one end of the power supply device is arranged around the transmission mechanism, and the roller mechanism slides on the supporting platform and acts on one end of the power supply device to move relative to the roller mechanism; the monitoring device is used for monitoring the sliding stroke of the roller mechanism on the supporting platform and the number of circles of the power supply device around the transmission mechanism. Its structural design is reasonable, and the dismouting is convenient, carry out real time monitoring through monitoring device, apply to when single-point electric sliding ring breaks down and tears out the fortune and when keeping in foreign countries, replace electric sliding ring to the platform power supply in the maintenance period to satisfy the production demand.

Description

Power transmission device capable of realizing power supply from FPSO to platform

Technical Field

The utility model belongs to the technical field of ship and ocean engineering, and particularly relates to a power transmission device capable of realizing power supply of a FPSO (floating production storage and offloading) to a platform.

Background

Once an electric slip ring in the FPSO single-point cabin breaks down, the power supply to the platform is interrupted, production cannot be achieved, and economic loss is huge. On one hand, due to the fact that the structural space in the single-point cabin is limited, on the other hand, due to the fact that the production technology of the electric slip ring is monopolized by a few foreign manufacturers and maintenance equipment is lack in China, direct maintenance of the electric slip ring cannot be conducted on site, the electric slip ring is required to be detached and transported to foreign places for maintenance, and the whole maintenance period is as long as more than half a year. During the maintenance of the electric slip ring, in order to ensure the yield to a certain extent and reduce the economic loss, a plurality of temporary generators can be leased to generate electricity for the platform to produce. However, the overall dimension of a single temporary generator is large, the power is small, and a plurality of temporary generators are required to be used in parallel to guarantee that all wellheads produce simultaneously. The reality is that limited by platform structure characteristics, there is not unnecessary space to satisfy the installation of many interim generators, consequently can only rent a small amount of interim generators and generate electricity and supply the production of part well head, and output has obtained certain guarantee, but still has great economic loss.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above disadvantages of the prior art, an object of the present invention is to provide a power transmission device capable of supplying power to a platform by an FPSO, which aims to solve the problems in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a power transmission device capable of realizing power supply of an FPSO to a platform comprises:

the device comprises a supporting platform, a roller mechanism, a counterweight mechanism, a transmission mechanism, a monitoring device and a power supply device;

the roller mechanism, the counterweight mechanism, the transmission mechanism, the monitoring device and the power supply device are arranged on the supporting platform;

the roller mechanism is connected with the power supply device through the transmission mechanism, and the counterweight mechanism is connected with the roller mechanism;

the transmission mechanism comprises a guide part and a rolling part, and a suspension device for adjusting the rotation angle of the rolling part is arranged at the rotation end of the rolling part;

the roller mechanism is in sliding fit with the supporting platform, one end of the power supply device is arranged around the transmission mechanism, and the roller mechanism slides on the supporting platform and acts on one end of the power supply device to move relative to the roller mechanism;

the monitoring device is used for monitoring the sliding stroke of the roller mechanism on the supporting platform and the number of circles of the power supply device around the transmission mechanism.

Preferably, the roller mechanism comprises a movable roller, a guide rail device and a fixed roller, the guide rail device and the fixed roller are arranged on the supporting platform, the movable roller is in sliding fit with the guide rail device, the counterweight mechanism is connected with the movable roller, and the power supply device is in sliding connection with the movable roller and the fixed roller.

Preferably, roller brackets are arranged on two sides of the guide rail device.

Preferably, the transmission mechanism comprises a fixed guide cylinder and a central winding drum, the fixed guide cylinder and the fixed roller are respectively arranged on two sides of the guide rail device, and the central winding drum and the fixed roller are arranged on the same side.

Preferably, the fixed guide cylinder is of a semi-cylindrical structure, and a guide groove for the power supply device to pass through is formed in the outer wall surface of the fixed guide cylinder.

Preferably, the central winding drum is of a bidirectional winding drum structure, an upper flange and a lower flange are arranged, the middle part of the central winding drum is divided into two wire inlet areas by a partition plate, the middle part of the central winding drum is of a through structure and is used for feeding wires of a power supply device, the upper flange of the central winding drum is connected with a common slip ring, the lower flange of the central winding drum is connected with a common slip ring base, the suspension device comprises a portal frame, a suspension counterweight block and a suspension rope, the suspension rope is arranged on the portal frame in a sliding mode, one end of the suspension rope is connected with the common slip ring, and the other end of the suspension rope is connected with the suspension counterweight block.

Preferably, the movable roller and the fixed roller are provided with a plurality of guide rollers arranged along the outer edges thereof.

Preferably, power supply unit includes cable and stretch-draw protection film, the one end of cable is connected with the junction box, and the other end is connected with the extra large cable case, stretch-draw protection film cover is located the cable, cable and stretch-draw protection film slide and pass gyro wheel mechanism and drive mechanism.

Preferably, the counterweight mechanism comprises a heavy hammer, a protective pipe, a supporting seat, a guide pulley and a steel wire rope, the protective pipe is fixed on the single-point bulkhead through the supporting seat, the steel wire rope penetrates through the protective pipe and is in sliding fit with the guide pulley, one end of the steel wire rope is connected with the heavy hammer, and the other end of the steel wire rope is connected with the roller mechanism.

Preferably, the supporting platform is of a double-layer structure, and grating walkways are arranged on two sides of the lower layer of the supporting platform.

Compared with the prior art, the utility model has the beneficial effects that:

the power transmission device capable of realizing the power supply of the FPSO to the platform has the advantages of reasonable structural design, convenience in disassembly and assembly, real-time monitoring through the monitoring device, alarm prompting, stroke monitoring, reliability in operation, high-power supply and the like, and is applied to replacing an electric slip ring to supply power to the platform in a maintenance period when a single-point electric slip ring breaks down and is transported to foreign places for maintenance, so that the production requirement is met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a top view of the present invention.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is a front view of the present invention.

Description of reference numerals:

1-supporting platform, 101-grating walkway, 102-supporting leg, 2-roller mechanism, 201-movable roller, 202-guide rail device, 203-fixed roller, 204-roller bracket, 205-guide roller, 3-counterweight mechanism, 301-heavy hammer, 302-protective tube, 303-supporting seat, 304-guide pulley, 305-steel wire rope, 4-transmission mechanism, 401-fixed guide cylinder, 402-central winding drum, 403-common slip ring, 404-portal frame, 405-hanging balancing weight, 406-hanging rope, 5-power supply device, 501-cable, 502-tension protective film.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention are described in further detail below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 4, the present invention provides a power transmission apparatus for supplying power to a platform by an FPSO, including:

the device comprises a supporting platform 1, a roller mechanism 2, a counterweight mechanism 3, a transmission mechanism 4, a monitoring device and a power supply device 5;

supporting platform 1 is bilayer structure, gyro wheel mechanism 2, counter weight mechanism 3, drive mechanism 4, monitoring device and power supply unit 5 locate supporting platform 1's bilayer structure's platform, supporting platform 1's lower floor both sides are equipped with grid pavement 101. The grid walkway 101 is convenient to operate and maintain, the whole structure of the supporting platform 1 is formed by connecting sectional materials through bolts, and the bottom of the supporting platform 1 is provided with supporting legs 102 for being fixed on a sliding ring stack crane beam.

The roller mechanism 2 comprises a movable roller 201, a guide rail device 202 and a fixed roller 203, the guide rail device 202 and the fixed roller 203 are arranged on the supporting platform 1, the movable roller 201 is in sliding fit with the guide rail device 202, the counterweight mechanism 3 is connected with the movable roller 201, the power supply device 5 is in sliding connection with the movable roller 201 and the fixed roller 203, and roller brackets 204 are arranged on two sides of the guide rail device 202. The roller bracket 204 is arranged and used for conveying the power supply device 5 between the roller mechanisms 2 so as to reduce friction when the overhead power supply device 5 hangs down, when the power supply device 5 goes around, the movable roller 201 can linearly slide and freely rotate on the guide rail device 202 to realize the storage and release of the power supply device 5 between the roller mechanisms 2, the fixed roller 203 is used for leading the incoming line of the central winding drum 402 and is fixed on a deck of the supporting platform 1, and when the power supply device 5 goes around, the fixed roller 203 can freely rotate by itself so as to reduce friction generated when the power supply device 5 goes around. Specifically, the rail device 202 is two half cylinders made of aluminum alloy with bottom plates, is used for sliding the movable roller 201, and is fixed on the longitudinal axis of the supporting platform 1.

The transmission mechanism 4 comprises a fixed guide cylinder 401 and a central winding drum 402, the fixed guide cylinder 401 and the fixed roller 203 are respectively arranged on two sides of the guide rail device 202, the central winding drum 402 is arranged on the same side as the fixed roller 203, the fixed guide cylinder 401 is of a semi-cylinder structure, and a guide groove for the power supply device 5 to pass through is formed in the outer wall surface of the fixed guide cylinder 401.

The movable roller 201 and the fixed roller 203 are provided with a plurality of guide rollers 205 arranged along the outer edges thereof.

The central winding drum 402 is of a bidirectional winding drum structure, an upper flange and a lower flange are arranged, the middle of the central winding drum 402 is divided into two wire inlet areas by a partition plate, the middle of the central winding drum 402 is of a through structure and used for leading wires of the power supply device 5, the upper flange of the central winding drum 402 is connected with the common slip ring 403, and the lower flange of the central winding drum 402 is connected with the electrical slip ring base. Specifically, the material of the central bobbin 402 is non-magnetic 316 stainless steel. The suspension device comprises a portal frame 404, a suspension counterweight 405 and a suspension rope 406, the suspension rope 406 is arranged on the portal frame 404 in a relatively sliding manner, one end of the suspension rope 406 is connected with the common slip ring 403, and the other end of the suspension rope 406 is connected with the suspension counterweight 405. The suspension device is used for adjusting the rotation angle of the central winding drum.

Power supply unit 5 includes cable 501 and stretch-draw protection film 502, the one end of cable 501 is connected with the junction box, and the other end is connected with the extra large cable case, realizes to platform power supply function, stretch-draw protection film 502 cover is located cable 501, cable 501 and stretch-draw protection film 502 slide in proper order and pass center reel 402, fixed roller 203, move gyro wheel 201, fixed guide cylinder 401.

The counterweight mechanism 3 comprises a heavy hammer 301, a protection tube 302, a support seat 303, a guide pulley 304 and a steel wire rope 305, wherein the protection tube 302 is fixed on the single-point bulkhead through the support seat 303, the steel wire rope 305 passes through the protection tube 302 and is in sliding fit with the guide pulley 304, one end of the steel wire rope 305 is connected with the heavy hammer 301, and the other end of the steel wire rope 305 is connected with the movable roller 201. The structural materials are all carbon steel materials, each roller mechanism 2 is independently dragged, the heavy hammer 301 can be configured with multi-stage weight combinations, and the weight combination is increased or decreased according to the traction force; the protection tube 302 is fixed on the single-point bulkhead by a support base 303, and functions to reduce the influence of the FPSO shaking on the swinging of the weight 301.

The monitoring device is used for monitoring the sliding stroke of the roller mechanism 2 on the supporting platform 1 and the number of circles of the power supply device 5 around the transmission mechanism 4. Specifically, the monitoring devices are installed on the side edges of the guide rail devices 202 on the upper layer and the lower layer of the supporting platform 1, in the single-point cabin and the central control room, the whole system meets the explosion-proof requirement, and the alarming function is realized when the FPSO revolves to the set number of circles surrounded by the transmission mechanism 4.

By adopting the structure, the whole set of power transmission device is installed in a single-point cabin, the central winding drum 402 is in a static state relative to the FPSO, other components rotate along with the rotation of the FPSO, and part of the components rotate or do linear motion on the supporting platform 1. When the supporting platform 1, the roller mechanisms 2, the counterweight mechanisms 3 and the monitoring device integrally rotate along with the FPSO, the power supply device 5 winds on the central winding drum 402, and meanwhile, the cable 501 and the tension protective film 502 of the power supply device 5 drive the rollers 201 to do linear and self-rotation motion along the guide rail device 202, so that the length of part of the cable 501 of the power supply device 5 among the roller mechanisms 2 is conveyed to the central winding drum 402; when the FPSO rotates reversely, the central reel 402 will release the coiled cable 501 of the partial power supply device 5, and at this time, the weight 301 pulls the movable roller 201 to move linearly in the reverse direction, and the cable 501 of the partial power supply device 5 released by the central reel 402 is fed back to the roller mechanism 2 again. Accordingly, when the FPSO is rotated reciprocally, the power supply device 5 is housed and released reciprocally between the roller mechanism 2 and the center reel 402. Through the implementation of this patent, can form the emergent plan specification of the interim power supply of a set of complete single-point electric slip ring trouble to can react fast when similar trouble takes place in the future, retrieve a large amount of economic losses. If adopt this patent to provide emergent power supply unit 5, because its high-power supply characteristic, can satisfy all well head production demands of platform, furthest's reduction economic loss.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in an orientation or positional relationship merely for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A power transmission device capable of realizing power supply of an FPSO to a platform is characterized by comprising:

2. The power transmission device capable of supplying power to a platform by an FPSO as claimed in claim 1, wherein the roller mechanism comprises a movable roller, a guide rail device and a fixed roller, the guide rail device and the fixed roller are arranged on the support platform, the movable roller is in sliding fit with the guide rail device, the counterweight mechanism is connected with the movable roller, and the power supply device is in sliding connection with the movable roller and the fixed roller.

3. The device of claim 2, wherein the roller brackets are disposed on both sides of the rail device.

4. The device as claimed in claim 2, wherein the guiding portion is a fixed guiding cylinder, the rolling portion is a central cylinder, the fixed guiding cylinder and the fixed roller are respectively disposed on two sides of the guiding rail device, and the central cylinder is disposed on the same side as the fixed roller.

5. The device as claimed in claim 4, wherein the fixed guide cylinder is a semi-cylinder structure, and a guide slot is formed on an outer wall surface of the fixed guide cylinder for the power supply device to pass through.

6. The power transmission device as claimed in claim 4, wherein the central drum is a bidirectional drum, and has an upper flange and a lower flange, the middle of the central drum is divided into two wire feeding areas by a partition plate, the central drum has a central through structure for feeding wires to the power supply device, the upper flange of the central drum is connected to a common slip ring, the lower flange of the central drum is connected to a common slip ring base, the suspension device comprises a gantry, a suspension weight block and a suspension rope, the suspension rope is slidably disposed on the gantry, one end of the suspension rope is connected to the common slip ring, and the other end of the suspension rope is connected to the suspension weight block.

7. The device as claimed in claim 2, wherein the movable roller and the fixed roller are provided with a plurality of guide rollers along the outer edge thereof.

8. The power transmission device capable of supplying power to a platform by an FPSO as claimed in claim 1, wherein the power supply device comprises a cable and a tension protection film, one end of the cable is connected with a junction box, the other end of the cable is connected with a submarine cable box, the tension protection film is sleeved on the cable, and the cable and the tension protection film slide through the roller mechanism and the transmission mechanism.

9. The device as claimed in claim 1, wherein the counterweight mechanism comprises a weight, a protection tube, a support base, a guide pulley, and a steel wire rope, the protection tube is fixed on the single-point bulkhead through the support base, the steel wire rope passes through the protection tube and is in sliding fit with the guide pulley, one end of the steel wire rope is connected to the weight, and the other end of the steel wire rope is connected to the roller mechanism.

10. The device of claim 1, wherein the support platform is a double-layer structure, and two sides of the lower layer of the support platform are provided with grid walkways.