CN109850086B - Floating type sea wave resistant stabilizing device for offshore platform - Google Patents
Floating type sea wave resistant stabilizing device for offshore platform Download PDFInfo
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- CN109850086B CN109850086B CN201910212461.8A CN201910212461A CN109850086B CN 109850086 B CN109850086 B CN 109850086B CN 201910212461 A CN201910212461 A CN 201910212461A CN 109850086 B CN109850086 B CN 109850086B
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Abstract
The invention discloses a sea wave resistant stabilizing device of a floating offshore platform, which is arranged on a floating platform body, and comprises: the floating platform comprises a floating body and a buffer mechanism, wherein the floating body is movably connected to the periphery of the floating platform body through the buffer mechanism, and the buffer mechanism can be used for enabling the floating body to move in the transverse direction and the longitudinal direction relative to the floating platform body. Therefore, the anti-sea wave stabilizing device of the floating offshore platform buffers the impact force of sea waves and sea wind, and improves the stability of the floating platform body; furthermore, devices such as magnets, coils, rectifier bridges and the like are additionally arranged and are used for absorbing partial energy of sea waves and sea wind and converting the partial energy into applicable electric energy.
Description
Technical Field
The invention relates to the technical field of offshore operation, in particular to a sea wave resistant stabilizing device of a floating offshore platform.
Background
The offshore operation platform can be used for oil drilling, oil and gas exploration and development and the like, and the stability and the safety of the offshore operation platform are particularly important due to the changeability of offshore climate and the continuous impact of offshore surge. At present, floating platforms are mostly adopted by offshore operation platforms, and the application range of the platforms is expanded.
Floating platforms for shallow sea use support columns to fix the platform on the sea surface, however, the support columns have great instability due to the impact of sea waves; in addition, if offshore operation needs to be performed at a deep sea, the supporting columns cannot be arranged.
Generally speaking, under the condition of no surge impact, the buoyancy force borne by the platform is balanced with the gravity force of the platform; the platform can rock, translate and be unstable under the impact of sea waves. Specifically, please refer to fig. 1, which is a schematic diagram of stress of each particle in the sea wave, wherein the wave of the sea wave has characteristics of both transverse wave and longitudinal wave in the propagation process; therefore, when the waves of the sea waves touch the platform, the sea waves can be regarded as a plurality of infinite particles. As shown in FIG. 1, taking three particles 23-1, 23-2 and 23-3 from left to right as an example, the middle particle 23-2 will be subjected to the forces of front, back, left, right, upper and lower particles, and only the four forces F1, F2, F3 and F4, which are applied to the particle 23-2, are analyzed, and the motion of the particle 23-2 can be decomposed into up-and-down motion (reflecting the energy of transverse waves) and back-and-forth motion (reflecting the energy of longitudinal waves). When the robot moves upwards, kinetic energy in the energy is gradually reduced and converted into potential energy, and the potential energy is further gradually converted into the kinetic energy after the highest point is reached; the kinetic energy is divided into two parts: one part moves forwards and the other part moves downwards, and the forward moving part pushes forward particles to finally act on the platform; the kinetic energy of the downward movement drives the previous mass point to move up and down, and finally the kinetic energy is converted into the force of impacting the platform. Kinetic energy in transverse energy (front-back motion) generates a driving force on the platform, so that the platform shakes to generate translation. The existing floating platform reduces the impact of sea waves on the platform by means of springs, but longitudinal impact force can only be buffered, and kinetic energy is converted into elastic potential energy of the springs. But will also slowly impact the platform at the next moment when the spring potential of the spring is released. Although the maximum force is reduced, the time of application of the force is lengthened, so the impulse is generally constant, i.e. the pushing action on the platform is not reduced, still resulting in a movement of the platform. It can be seen that the current offshore drilling platform is still greatly impacted by the offshore surge, and the impact is balanced by the power on the platform; causing the platform to be unstable and various operations on the platform to be affected accordingly.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to solve the technical problems that: how to improve the stability of the offshore operation platform.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an anti wave stabilising arrangement of floating offshore platform sets up on floating platform body, stabilising arrangement includes: the floating platform comprises a floating body and a buffer mechanism, wherein the floating body is movably connected to the periphery of the floating platform body through the buffer mechanism, and the buffer mechanism can be used for enabling the floating body to move in the transverse direction and the longitudinal direction relative to the floating platform body.
On the basis of the technical scheme, the invention can be further improved as follows.
Preferably, the buffer mechanism includes: the floating platform comprises two or more springs, a floating platform supporting body, two or more supporting rods and a floating body sliding rod, wherein the floating platform supporting body is a mechanism which is longitudinally arranged, the springs are used for connecting the floating platform supporting body and the floating platform body, the first end of each spring is connected to the floating platform body, and the second end of each spring is connected to the floating platform supporting body; the floating platform supporting body is connected with the floating platform body through supporting rods, the first end of each supporting rod of the floating platform supporting body is connected to the floating platform body, and the second end of each supporting rod of the floating platform supporting body is connected to the floating platform supporting body through a ball bearing; the floating body sliding rod is a longitudinally arranged mechanism and is arranged on the floating body; the floating body sliding rod is connected with the floating platform supporting body through a supporting rod; the first end of each supporting rod of the floating body sliding rod is connected to the floating platform supporting body, and the second end of each supporting rod of the floating body sliding rod is connected to the floating body sliding rod through a ball bearing.
Preferably, the anti-wave stabilizing device of the floating offshore platform further comprises: the high-power magnet is arranged on the floating body or the buffer mechanism, and the coil is arranged on the floating platform body and faces the high-power magnet; the coil is electrically connected to the rectifier bridge, which is electrically connected to the battery.
Preferably, the powerful magnets are two transverse powerful magnets and two longitudinal powerful magnets, correspondingly, the coils are two transverse coils and two longitudinal coils, and the rectifier bridge is two first rectifier bridge and two second rectifier bridge; the longitudinal strong magnet is arranged on the floating body, and the transverse strong magnet is arranged on the buffer mechanism.
Preferably, the anti-wave stabilizing device of the floating offshore platform further comprises: the pressure sensor is arranged at the connecting end of the buffer mechanism and the floating platform body, the input end of the signal amplification unit is electrically connected to the pressure sensor, the output end of the signal amplification unit is electrically connected to the input end of the slave single chip microcomputer, the output end of the slave single chip microcomputer is electrically connected to the input end of the control unit, the output end of the control unit is electrically connected to the turbine, the control unit controls the steering and rotating speed of the turbine according to the pressure sensed by the pressure sensor, and the turbine generates acting force opposite to the acting force of sea waves on the floating body.
Preferably, the anti-wave stabilizing device of the floating offshore platform further comprises a main single chip microcomputer with a positioning function, and an input/output port of the slave single chip microcomputer is electrically connected to the main single chip microcomputer.
Preferably, the cross section of the floating body is in an inverted triangle shape, and one surface facing sea waves is provided with a slope; further preferably, the slope is at an angle of 45 ° to sea level.
Compared with the prior art, the invention has the following technical effects:
1. the impact of sea waves and sea wind on the floating platform body is buffered by arranging the buffer mechanism;
2. by arranging the powerful magnet, the coil, the rectifier bridge and the like, most energy of sea waves is converted into electric energy, the impact force of the sea waves and sea wind on the platform is reduced, and the stability of the floating platform body on the sea is improved;
3. through setting up pressure sensor, control unit and turbine etc. on the one hand, produce the effort opposite with the wave to floating body effort, resist the impact of wave, sea wind, on the other hand starts the turbine when the platform body takes place the translation, returns original position.
Drawings
FIG. 1 is a schematic diagram of the stress of each particle in sea waves;
FIG. 2 is a schematic structural diagram of the anti-wave stabilizer of the floating offshore platform of the present invention;
FIG. 3 is a schematic view of the connection of the floating body and the floating platform body of the present invention;
in the drawings, the parts names represented by the respective reference numerals are listed as follows:
1-floating platform body; 2-a floating body; 3-first spring; 4-a second spring; 5-transverse strong magnet; 6-longitudinal strong magnet; 7-floating platform support; 8-first support bar; 9-second support bar; 10-second support rod ball bearing; 11-first strut ball bearing; 12-third support bar ball bearing; 13-fourth support bar ball bearing; 14-floating body sliding rod; 15-a storage battery; 16-transverse coil; 17-longitudinal coil; 18-detection and control unit; 19-pressure sensor; 20-turbine; 21-third support bar; 22-fourth support bar;
18-1 — a first rectifier bridge; 18-2-a second rectifier bridge; 18-3-signal amplification unit; 18-4-slave single chip microcomputer; 18-5-control unit; 18-6-main single chip machine.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Fig. 2 is a schematic structural diagram of the device for stabilizing sea waves of a floating offshore platform according to the present invention. The anti wave stabilising arrangement of floating offshore platform sets up on floating platform body 1, includes: a floating body 2, a first spring 3, a second spring 4, a transverse strong magnet 5, a longitudinal strong magnet 6, a floating platform supporting body 7, a first supporting rod 8, a second supporting rod 9, a second supporting rod ball bearing 10, a first supporting rod ball bearing 11, a third supporting rod ball bearing 12, a fourth supporting rod ball bearing 13, a floating body sliding rod 14, a storage battery 15, a transverse coil 16, a longitudinal coil 17, a detection and control unit 18, a pressure sensor 19, a turbine 20, a third supporting rod 21 and a fourth supporting rod 22, wherein,
fig. 3 is a schematic view showing the connection between the floating body and the floating platform body according to the present invention; in practical application, the floating bodies are a plurality of floating bodies, except the floating body 2, the floating bodies 2-1, 2-2, 2-3 and 2-4 … … 2-n are also arranged, the plurality of floating bodies are respectively and movably connected to the periphery of the floating platform body 1 through buffer mechanisms, and the buffer mechanisms can allow the floating bodies to move in a small amplitude in the transverse direction and the longitudinal direction relative to the floating platform body; with regard to the arrangement of the damping mechanism as an articulated connection, there are various implementations in the prior art, for example:
as shown in fig. 2, the buffer mechanism may include: the first spring 3, the second spring 4, the floating platform support 7, the first support rod 8, the second support rod 9, the floating body sliding rod 14, the third support rod 21, and the fourth support rod 22, wherein a first end of the first spring 3 is connected to the floating platform body 1, a second end is connected to the floating platform support 7, and similarly, a first end of the second spring 4 is also connected to the floating platform body 1, and a second end is also connected to the floating platform support 7, and it is required to explain that: the two springs are provided for example only, and the springs can be provided as one or more springs according to actual requirements; the first end of the first support rod 8 is fixed on the floating platform body 1, the second end is connected to the floating platform support body 7 through the first support rod ball bearing 11, the first end of the second support rod 9 is fixed on the floating platform body 1, and the second end is connected to the floating platform support body 7 through the second support rod ball bearing 10; the floating platform supporting body 7 is a longitudinally arranged mechanism, and the first supporting rod 8 and the second supporting rod 9 are transversely arranged mechanisms; the floating body sliding rod 14 is a longitudinally arranged mechanism and is arranged on the floating body 2; a first end of the third support rod 21 is fixed to a first end of the floating table support body 7, and a second end of the third support rod 21 is connected to a first end of the floating body sliding rod 14 through the third support rod ball bearing 12; a first end of the fourth support rod 22 is fixed to a second end of the floating table support body 7, and a second end of the fourth support rod 22 is connected to a second end of the floating body sliding rod 14 through the fourth support rod ball bearing 13; therefore, when sea waves impact the floating body, the sliding rod of the floating body slides in the third support rod ball bearing and the fourth support rod ball bearing in the longitudinal direction, and the supporting body of the floating platform slides in the first support rod ball bearing and the second support rod ball bearing in the transverse direction, namely, the impact force of the sea waves is buffered in the longitudinal direction and the transverse direction;
in addition, since the floating body is mainly used for buffering the impact of sea waves on the platform, the cross section of the floating body is preferably set to be in an inverted triangle shape, that is, the side facing the sea waves is set to be a slope; when the inclination of the slope is 45 degrees, the component force of the impact force of sea wind and sea waves on the floating body in the vertical upward direction is the largest, and the component force in the horizontal forward direction is the smallest according to the mechanics principle.
In practical application, the number of the buffer mechanisms can be set according to requirements, for example, one floating body is provided with two or three buffer mechanisms, namely, one floating body is provided with two or three groups of floating body sliding rods-floating platform supporting bodies; similarly, the number of the support rod-ball bearings can be flexibly set according to requirements, and the number of the springs can be flexibly set according to requirements.
However, if only one buffering mechanism is provided, only the impact force of the sea waves is buffered, and the impact force is still applied to the floating platform body. Therefore, the inventor develops a thought to convert the impact force of the sea waves into electric power for supplementing the electric energy required by the daily operation of the platform; and a control module and a power mechanism are introduced by sensing the impact force of sea waves and sea wind to generate reverse acting force.
In particular, the amount of the solvent to be used,
the transverse strong magnet 5 is provided on the buffer mechanism, and the magnetic field direction thereof is transverse, and specifically, for example, may be provided on the floating table support 7; the longitudinal powerful magnet 6 is arranged on the upward surface of the floating body 2, and the magnetic field direction is longitudinal; accordingly, the transverse coil 16 is disposed on the floating platform body 1 toward the transverse strong magnet 5, and the longitudinal coil 17 is disposed on the floating platform body 1 toward the longitudinal strong magnet 6; a first rectifier bridge 18-1 and a second rectifier bridge 18-2 are arranged in the detection and control unit 18, the first rectifier bridge 18-1 is electrically connected with the longitudinal coil 17, the second rectifier bridge 18-2 is electrically connected with the transverse coil 16, and the first rectifier bridge 18-1 and the second rectifier bridge 18-2 are respectively electrically connected with the storage battery 15; therefore, when sea waves impact the floating body, relative motion occurs between the longitudinal powerful magnet and the longitudinal coil in the longitudinal direction to generate electromagnetic induction, the relative motion is converted into induced current through the change of the magnetic flux of the longitudinal coil, the induced current is rectified into pulsating direct current through the rectifier bridge and then the storage battery is charged, similarly, relative motion occurs between the transverse powerful magnet and the transverse coil in the transverse direction to generate electromagnetic induction, the induced current is converted into induced current through the change of the magnetic flux of the transverse coil, and the induced current is rectified into pulsating direct current through the rectifier bridge and then the storage battery is charged; when the sea wave moves, the kinetic energy is converted into electric energy, so that the energy of the sea wave is reduced, the acting force on the platform is reduced, and the impact of the sea wave on the floating platform is reduced. In practical application, the number of the powerful magnets, the number of the coils and the number of the rectifier bridges can be set according to requirements.
The detection and control unit 18 is also provided with: the device comprises a signal amplifying unit 18-3, a slave single chip microcomputer 18-4, a control unit 18-5 and a master single chip microcomputer 18-6, wherein the input end of the signal amplifying unit 18-3 is electrically connected to the pressure sensor 19, the pressure sensor 19 is arranged at the connecting end of one spring and the floating platform body 1, the output end of the signal amplifying unit 18-3 is electrically connected to the input end of the slave single chip microcomputer 18-4, the output end of the slave single chip microcomputer 18-4 is electrically connected to the input end of the control unit 18-5, the output end of the control unit 18-5 is electrically connected to the turbine 20, and the steering and rotating speed of the turbine are controlled according to the pressure, so that the turbine generates an acting force opposite to the acting force of sea waves on the floating; therefore, the pressure sensor senses the extrusion force applied by the spring, transmits a pressure signal to the signal amplification unit, and finally sends an operation instruction to the turbine from the single chip microcomputer to the control unit, so that the turbine generates a force with the same direction as that of the floating body; in addition, the slave single-chip microcomputer 18-4 is set to be a plurality of, and the slave single-chip microcomputer is respectively corresponding to a plurality of floating bodies, the input/output ports of the slave single-chip microcomputers are electrically connected to the master single-chip microcomputer 18-6 for data transmission, the master single-chip microcomputer is electrically connected to the positioning system, so that the communication with a shore master control room is ensured to be smooth, and if a strong storm occurs, the floating platform body is enabled to translate, the master single-chip microcomputer can know through the positioning system, then an instruction is issued to the corresponding slave single-chip microcomputer, the slave single-chip microcomputer issues the instruction through the control unit, the corresponding turbine is controlled to change the rotating speed, and the position of the floating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides an anti wave stabilising arrangement of floating offshore platform which characterized in that sets up on floating platform body, stabilising arrangement includes: a floating body and a buffer mechanism, wherein,
the floating body is movably connected to the periphery of the floating platform body through the buffer mechanism, and the buffer mechanism can be used for the floating body to move in the transverse direction and the longitudinal direction relative to the floating platform body;
the buffer mechanism includes: two or more springs, a floating table support, two or more support rods, and a floating body slide rod, wherein,
the floating platform supporting body is a longitudinally arranged mechanism, the springs are used for connecting the floating platform supporting body and the floating platform body, the first end of each spring is connected to the floating platform body, and the second end of each spring is connected to the floating platform supporting body;
the floating platform supporting body is connected with the floating platform body through supporting rods, the first end of each supporting rod of the floating platform supporting body is connected to the floating platform body, and the second end of each supporting rod of the floating platform supporting body is connected to the floating platform supporting body through a ball bearing;
the floating body sliding rod is a longitudinally arranged mechanism and is arranged on the floating body; the floating body sliding rod is connected with the floating platform supporting body through a supporting rod; the first end of each supporting rod of the floating body sliding rod is connected to the floating platform supporting body, and the second end of each supporting rod of the floating body sliding rod is connected to the floating body sliding rod through a ball bearing.
2. The floating offshore platform ocean wave stability device of claim 1, further comprising: the high-power magnet is arranged on the floating body or the buffer mechanism, and the coil is arranged on the floating platform body and faces the high-power magnet; the coil is electrically connected to the rectifier bridge, which is electrically connected to the battery.
3. The anti-wave stabilizer for floating offshore platform according to claim 2, characterized in that said powerful magnets are provided as two transverse powerful magnets and two longitudinal powerful magnets, respectively, said coils are provided as two transverse coils and two longitudinal coils, and said rectifier bridge is provided as two first rectifier bridges and two second rectifier bridges; the longitudinal strong magnet is arranged on the floating body, and the transverse strong magnet is arranged on the buffer mechanism.
4. A floating offshore platform sea wave resistant stabilizing device as claimed in claim 1 or 2, further comprising: the pressure sensor is arranged at the connecting end of the buffer mechanism and the floating platform body, the input end of the signal amplification unit is electrically connected to the pressure sensor, the output end of the signal amplification unit is electrically connected to the input end of the slave single chip microcomputer, the output end of the slave single chip microcomputer is electrically connected to the input end of the control unit, the output end of the control unit is electrically connected to the turbine, the control unit controls the steering and rotating speed of the turbine according to the pressure sensed by the pressure sensor, and the turbine generates acting force opposite to the acting force of sea waves on the floating body.
5. The device of claim 4, further comprising a master singlechip having a positioning function, wherein the input/output port of the slave singlechip is electrically connected to the master singlechip.
6. The device of claim 1, wherein the floating body is configured with an inverted triangular cross-section and a slope on the side facing the ocean waves.
7. The floating offshore platform ocean wave stabilization device of claim 6, wherein the slope is at a 45 ° angle to sea level.
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| CN112173025A (en) * | 2020-10-28 | 2021-01-05 | 广州高腾科技有限公司 | Offshore floating platform anticollision device |
| CN112141283A (en) * | 2020-10-28 | 2020-12-29 | 广州高腾科技有限公司 | Marine floating installation stabilising arrangement |
| CN114283562B (en) * | 2021-12-08 | 2023-12-22 | 江苏科技大学 | Marine trestle early warning system and early warning method thereof |
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