CN113277007A - Anti-overturning device for offshore operation - Google Patents
Anti-overturning device for offshore operation Download PDFInfo
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- CN113277007A CN113277007A CN202110372711.1A CN202110372711A CN113277007A CN 113277007 A CN113277007 A CN 113277007A CN 202110372711 A CN202110372711 A CN 202110372711A CN 113277007 A CN113277007 A CN 113277007A
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- 230000007246 mechanism Effects 0.000 claims abstract description 156
- 239000000725 suspension Substances 0.000 claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 11
- 210000000078 claw Anatomy 0.000 claims description 31
- 230000002265 prevention Effects 0.000 claims description 15
- 230000007547 defect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 230000009471 action Effects 0.000 description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 7
- 235000017491 Bambusa tulda Nutrition 0.000 description 7
- 241001330002 Bambuseae Species 0.000 description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 7
- 239000011425 bamboo Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
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- Combustion & Propulsion (AREA)
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- Ocean & Marine Engineering (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of offshore operation equipment, in particular to an anti-overturning device for offshore operation. The utility model provides a marine operation prevents device that topples, includes surface of water suspension platform, prevents mechanism that topples, lower body and fixed establishment, surface of water suspension platform passes through the connecting rod and links to each other with anti-overturning mechanism and sets up in anti-overturning mechanism top, the body is installed in anti-overturning mechanism bottom down, prevent that topples the mechanism bottom and be connected with fixed establishment. The gain effect of the invention is: the invention overcomes the defect that the traditional offshore operation device is easy to overturn in severe weather such as typhoon, and the like, and ensures that the offshore operation device cannot overturn due to large impact of water on the water surface suspension platform in severe weather by combining the overturn preventing mechanism and the multi-claw fixing mechanism based on the tumbler principle.
Description
Technical Field
The invention relates to the technical field of offshore operation equipment, in particular to an anti-overturning device for offshore operation.
Background
Ocean resources are abundant, but with the development of water resources by human beings, the depth of the development of water resources, particularly ocean, is continuously increased, and the development of the water resources is developed from shallow water to deep water. The semi-submersible type water platform plays an important role in resisting wind waves, loading and bearing and the like in the deep water resource development. The suspension platform on water can often receive the interference of adverse circumstances such as strong wind when the surface of water work, can lead to the surface of water suspension platform to take place to overturn, in order to prevent that offshore operation platform device from toppling inefficacy, the problem that the subassembly that topples takes place to overturn in order to solve the platform on water is installed to one.
The invention of the prior patent No. (CN109484575A) provides a semi-submersible platform catenary mooring system and a method for installing the same, wherein the system comprises: the semi-submersible type platform is provided with at least one composite mooring cable, and the bottom of the composite mooring cable is provided with a towing embedded anchor used as a mooring foundation; the composite mooring cable is a three-section type composite mooring cable in a catenary shape and comprises an upper end anchor chain, a middle section polyester cable and a bottom end anchor chain. According to the semi-submersible platform catenary mooring system and the installation method thereof, the polyester cable segment in the composite mooring cable has small self weight and is close to self-floating in water, so that the weight of the mooring system can be reduced, the horizontal restoring force of mooring is improved, the effective load of the platform is improved, the mooring performance is superior to that of the traditional mooring cable, and the mooring system can be more suitable for deep sea mooring of an ocean platform.
Based on the prior art, the inventor finds that the semi-submersible platform catenary mooring system cannot actively adjust the center of gravity under stormy waves. In order to avoid the overturning of the device under severe environment, a group of overturning prevention mechanisms designed by adopting the tumbler principle are additionally arranged under water, the overturning prevention mechanisms can generate reverse acting force after being in contact with wind and waves to move so as to cause the inclination, the gravity center of the device is quickly adjusted, the whole offshore operation platform can be kept stable, the overturning prevention mechanisms are connected to fixed claw anchors through iron chains so as to fix the position of the overturning prevention devices, and the safety problem of the offshore operation platform under the severe wind and waves environment is solved.
Disclosure of Invention
The invention aims to provide an anti-overturning device for offshore operation, which solves the safety problem that an overwater operation platform is easy to overturn in severe weather.
In order to achieve the technical purpose, the invention adopts the technical scheme that: the utility model provides a marine operation prevents device that topples, includes surface of water suspension platform, prevents mechanism that topples, lower body and fixed establishment, surface of water suspension platform passes through the connecting rod and links to each other with anti-overturning mechanism and sets up in anti-overturning mechanism top, the body is installed in anti-overturning mechanism bottom down, prevent that topples the mechanism bottom and be connected with fixed establishment.
Preferably, the water surface suspension platform consists of a connecting and supporting mechanism and a suspension mechanism, and the suspension mechanism is arranged below the connecting and supporting mechanism.
Preferably, the suspension mechanism comprises a suspension cylinder, a groove is formed in the suspension cylinder, and a connecting hoop is arranged in the groove.
Preferably, connect supporting mechanism includes suspension board, upper longitudinal joint pipe and lower floor's transverse connection pipe, suspension board transversely erects in the upper longitudinal joint pipe upper end of upper strata, upper longitudinal joint pipe sets up with lower floor's transverse connection pipe mutually perpendicular, the tip of upper longitudinal joint pipe meets with the tip of lower floor's transverse connection pipe and forms braced frame, the end that stretches out of lower floor's transverse connection pipe is through embedding coupling and suspension section of thick bamboo fixed connection in the recess on the suspension section of thick bamboo.
Preferably, the number of the suspension mechanisms is at least 4, and the suspension mechanisms are symmetrically arranged at four corners of the connection supporting mechanism.
Preferably, the anti-overturning mechanism comprises a balancing mechanism, a universal rotating mechanism and a base support, wherein the balancing mechanism is installed in the universal rotating mechanism, and the universal rotating mechanism is arranged on the base support.
Preferably, the base support comprises a bottom plate and mounting supports, the mounting supports are symmetrically arranged on two sides of the bottom plate, a rotary connecting shaft is arranged on the inner side of the mounting supports, and a connecting retaining ring is arranged on the outer edge of the bottom plate.
Preferably, universal slewing mechanism is rotatable through rotating the even axle and installs between the installing support, universal slewing mechanism inner wall symmetry is equipped with universal axis of rotation, universal slewing mechanism includes the universal ring of rotating in upper portion and the universal ring of rotating in lower part.
Preferably, balance mechanism includes balanced ball, indent disc and balanced ball cover be equipped with the indent cambered surface in the middle of the indent disc, the indent disc is thin structure in the middle of the both sides is thick, including the setting of balanced ball cover, the balanced ball is established in balanced ball cover, place on the indent cambered surface of indent disc bottom balanced ball, balanced ball cover passes through the universal axis of rotation rotatable mounting in the universal rotation ring in upper portion, the indent disc passes through the universal axis of rotation rotatable mounting in the universal rotation ring in lower part.
Preferably, the fixing mechanism is a fixed claw anchor, the fixed claw anchor comprises an anchor rod and anchor claws arranged on the lower side of the anchor rod, the number of the anchor claws is at least four, and the fixed claw anchor is connected to a connecting buckle ring of a bottom plate of the base support through a connecting chain combined with the anchor rod, so that the combined connection of the fixed claw anchor and the base support is realized.
Compared with the prior art, the gain effect of the invention is as follows:
1. the invention relates to an anti-overturning device for offshore operation, which overcomes the defect that the traditional offshore operation device is easy to overturn in severe weather such as typhoon, and ensures that the offshore operation device cannot overturn due to large impact of water on a water surface suspension platform in severe weather by combining an anti-overturning mechanism and a multi-claw fixing mechanism based on the tumbler principle.
2. The invention relates to an anti-overturning device for offshore operation, which utilizes an anti-overturning mechanism based on the tumbler principle to lower the gravity center of the whole device, can improve the stability of the device, can pull one end of an inwards concave disc to lift when the upper part of the device inclines, the inwards concave disc contacts a balance ball cover in the lifting process to push the balance ball cover to rotate around a rotating shaft, the other side of the balance ball cover can push a balance ball to move towards the lifting side of the inwards concave disc, and the gravity center of the anti-overturning mechanism shifts at the moment, so that the offshore operation device is prevented from overturning under the action of the gravity moment of the anti-overturning mechanism. Because the influence of surface of water stormy waves etc. the connecting rod on the surface of water suspension platform is connected to the indent disc, guarantees that whole device does not take place to overturn owing to the action of gravity of preventing the mechanism that overturns.
3. The fixed iron claw anchor is used for improving the stability of the whole device, when the device encounters heavy waves, the horizontal stress of the overturn-preventing mechanism is larger because of larger stress, so that the stability of the device is not ensured, and by connecting the fixed iron claw anchor to the bottom of the overturn-preventing mechanism, the horizontal tension force borne by the offshore operation overturn-preventing device is transmitted to the fixed iron claw anchor through the connecting iron chain, so that the overturn-preventing mechanism is ensured not to move, and the offshore operation overturn-preventing device is ensured not to overturn when encountering heavy waves.
Drawings
FIG. 1 is a schematic view of an anti-overturning device for offshore operations according to the present invention.
Fig. 2 is a schematic structural view of the overturn preventing member of the present invention.
Fig. 3 is a front sectional view of the overturn preventing member of the present invention.
Fig. 4 is a left side sectional view of the overturn preventing member of the present invention.
Fig. 5 is a top view of the anti-toppling member of the present invention.
Fig. 6 is a schematic structural view of the anchor of the present invention.
Fig. 7 is a schematic structural view of the lower float of the present invention.
Description of reference numerals:
1-a water surface suspension platform, 2-an anti-overturning mechanism, 3-a lower floating body, 4-a fixing mechanism, 5-a connecting rod, 6-an upper layer longitudinal connecting pipe, 7-a lower layer transverse connecting pipe, 8-a suspension cylinder, 9-a groove, 10-a balance ball, 11-a concave circular disc, 12-a balance ball cover, 13-a universal rotating mechanism, 14-a base support, 15-a bottom plate, 16-a mounting support, 17-a rotating connecting shaft, 18-a universal rotating shaft, 19-a concave cambered surface, 20-an anchor rod, 21-an anchor claw, 22-a suspension plate, 23-a connecting hoop, 24-a connecting chain, 25-an upper universal rotating circular ring, 26-a lower universal rotating circular ring and 27-a connecting buckle.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
To further clarify the objects, features and functions of the present invention, a review board will be provided by referring to the following description of the preferred embodiments in conjunction with the accompanying drawings:
referring to fig. 1-7, the invention is an anti-overturning device for offshore operations, which is characterized by comprising a water surface suspension platform 1, an anti-overturning mechanism 2, a lower floating body 3 and a fixing mechanism 4, wherein the water surface suspension platform 1 is connected with the anti-overturning mechanism 2 through a connecting rod 5 and is arranged above the anti-overturning mechanism 2, the lower floating body 3 is arranged at the bottom of the anti-overturning mechanism 2, and the bottom of the anti-overturning mechanism 2 is connected with the fixing mechanism 4.
As shown in fig. 1, the water surface suspension platform 1 preferably comprises a connection support mechanism and a suspension mechanism, wherein the suspension mechanism is arranged below the connection support mechanism, the suspension mechanism can provide sufficient buoyancy for the connection support mechanism, and the connection support mechanism and the suspension mechanism are combined to form the water surface suspension platform 1 which is used as a foundation for erecting the anti-overturning device for offshore operation.
Further, as shown in fig. 1, the suspension mechanism includes a suspension cylinder 8, a groove 9 is formed on the suspension cylinder 8, and a connection hoop 23 is arranged in the groove 9.
Further, as shown in fig. 1, the connection support mechanism includes a suspension plate 22, an upper longitudinal connecting pipe 6 and a lower transverse connecting pipe 7, the suspension plate 22 is transversely erected at the upper end of the upper longitudinal connecting pipe 6, the upper longitudinal connecting pipe 6 and the lower transverse connecting pipe 7 are arranged perpendicular to each other, the end of the upper longitudinal connecting pipe 6 is connected with the end of the lower transverse connecting pipe 7 to form a support frame, and the extending end of the lower transverse connecting pipe 7 is fixedly connected with the suspension cylinder 8 through a connecting hoop 23 embedded in the groove 9 of the suspension cylinder 8.
Furthermore, the number of the suspension mechanisms is at least 4, and the suspension mechanisms are symmetrically arranged at four corners of the connection supporting mechanism.
As shown in fig. 2 to 5, preferably, the overturn preventing mechanism 2 includes a balancing mechanism installed in a universal rotation mechanism provided on a base bracket 14, a universal rotation mechanism provided on the base bracket 14, and the overturn preventing mechanism 2 is an overturn preventing device using the tumbler principle, and a gravitational moment generated by its own weight causes the device to be balanced.
Further, the base support 14 comprises a bottom plate 15 and a mounting support 16, the mounting support 16 is symmetrically arranged on two sides of the bottom plate 15, a rotating connecting shaft 17 is arranged on the inner side of the mounting support 16, and a connecting snap ring 27 is arranged on the outer edge of the bottom plate 15.
Further, the universal rotating mechanism 13 is rotatably installed between the mounting brackets 16 through a rotating connecting shaft 17, the inner wall of the universal rotating mechanism is symmetrically provided with a universal rotating shaft 18, and the universal rotating mechanism 13 comprises an upper universal rotating ring 25 and a lower universal rotating ring 26.
Further, the balance mechanism includes balance ball 10, indent disc 11 and balance ball cover 12 be equipped with indent cambered surface 19 in the middle of the indent disc 11, indent disc 11 is the thin structure in the middle of the both sides thickness, balance ball cover 12 sets up in indent disc 11 top, balance ball 10 is covered and is established in balance ball cover 12, place on the indent cambered surface 19 of indent disc 11 bottom balance ball 10, balance ball cover 12 passes through universal axis of rotation 18 rotatable mounting in the universal ring of rotating 25 in upper portion, indent disc 11 passes through universal axis of rotation 18 rotatable mounting in the universal ring of rotating 26 in lower part.
As shown in fig. 6, it is preferable that the fixing mechanism 4 is a claw anchor, the claw anchor includes an anchor rod 20 and claws 21 on the lower side of the anchor rod 20, the number of the claws 21 is at least four, the claw anchor is connected to a connecting buckle 27 of the bottom plate 15 of the base bracket 14 by a connecting chain 24 combined with the anchor rod 20, the combined connection of the claw anchor and the base bracket 14 is realized, and the claw anchor can respectively provide sufficient tension to the overturn preventing mechanism 2 to prevent the overturn preventing mechanism 2 from moving underwater.
Example (b):
as shown in fig. 1, when in use, the anti-overturning device for offshore operation of the invention can float on the sea through the buoyancy of the water surface suspension platform 1, the water surface suspension platform 1 has stable overall structure and high impact strength, and is not easy to be damaged, the water surface suspension platform 1 is connected with the anti-overturning mechanism 2 through the connecting rod 5 and is arranged above the anti-overturning mechanism 2, the anti-overturning mechanism 2 is arranged under the water in a suspending manner, the lower float 3 is arranged at the bottom of the anti-overturning mechanism 2 in a matching manner, the buoyancy generated by the lower float 3 further keeps the flatness of the anti-overturning mechanism 2 on the water surface, preferably, the lower float 3 is a cylindrical float, the diameter of the cylindrical float is 4m, the thickness of the cylindrical float is 50cm, and the buoyancy generated by the lower float 3 is 64 t. The bottom of the anti-overturning mechanism 2 is connected with the fixing mechanism 4, the whole stability of the anti-overturning mechanism 2 is improved through the fixing mechanism 4, the gravity of the anti-overturning mechanism 2 ensures that the anti-overturning mechanism cannot overturn, the bottom of the anti-overturning mechanism 2 is connected with the fixing mechanism 4 through the connecting chain 24, and the 4 fixing mechanisms 4 can respectively provide tensile force in four directions to prevent the anti-overturning mechanism 2 from moving underwater.
The water surface suspension platform 1 is composed of a connection supporting mechanism and at least 4 suspension mechanisms, the suspension mechanisms are arranged below the connection supporting mechanism, the suspension mechanisms are symmetrically arranged at four corners of the connection supporting mechanism, sufficient buoyancy can be provided for the connection supporting mechanism through the suspension mechanisms, the connection supporting mechanism and the suspension mechanisms are combined to form the water surface suspension platform 1, and the water surface suspension platform is used as a erection foundation of the offshore operation overturn prevention device.
The connection supporting mechanism comprises a suspension plate 22, an upper-layer longitudinal connecting pipe 6 and a lower-layer transverse connecting pipe 7, the upper-layer longitudinal connecting pipe 6 and the lower-layer transverse connecting pipe 7 are steel pipes, the connection supporting mechanism comprises a plurality of groups of suspended plates 22 which are tiled, 2 groups of upper-layer longitudinal connecting pipes 6 and 2 groups of lower-layer transverse connecting pipes 7, the length of the adopted suspended plate 22 is 300cm, the width is 25cm, the height is 8cm, the length of the lower-layer transverse connecting pipe 7 is 3m, the radius is 25mm, the suspension mechanism comprises a suspension cylinder 8, the length of the suspension cylinder 8 is 80cm, the width is 50cm, the height is 40cm, a groove 9 is formed in the suspension cylinder 8, the width of the groove 9 is 20mm, the depth is 10mm, the upper-layer longitudinal connecting pipe 6 and the lower-layer transverse connecting pipe 7 are mutually perpendicular, the end part of the upper-layer longitudinal connecting pipe 6 is connected with the end part of the lower-layer transverse connecting pipe 7 to form a supporting frame, the end that stretches out of lower floor's transverse connection pipe 7 passes through the connector hoop 23 and the suspension section of thick bamboo 8 fixed connection in the recess 9 on the embedding suspension section of thick bamboo 8, sets up 4 suspension section of thick bamboo 8 symmetries in the four corners position of connecting support mechanism, and surface of water suspension platform 1 leans on the suspension section of thick bamboo 8 to provide buoyancy, and upper longitudinal connecting pipe 6 and lower floor's transverse connection pipe 7 range upon range of basic appearance that constitutes surface of water suspension platform 1 and guarantee its rigidity, constitute complete surface of water suspension platform 1 with the suspension section of thick bamboo 8 cooperation that the below set up again.
As shown in fig. 1, the water surface suspension platform 1 is connected to the concave disc 11 of the anti-overturning mechanism 2 through the connecting rod 5, and the whole device is ensured not to overturn due to the gravity action of the anti-overturning mechanism 2.
As shown in fig. 2-5, the universal rotating mechanism 13 is installed in the base bracket 14 through the rotating connecting shaft 17, the universal rotating mechanism 13 realizes the universal rotation of the mechanism through a ring, and includes an upper universal rotating ring 25 and a lower universal rotating ring 26, the balance ball 10 is covered in the balance ball cover 12, a gap is left between the inner side wall of the balance ball cover 12 and the balance ball 10, the balance ball 10 can rotate in the balance ball cover 12, the inner side wall of the balance ball cover 12 can push the balance ball 10 in all directions, the bottom of the balance ball 10 is placed on the concave arc surface 19 of the concave disc 11, the balance ball 10 can roll on the concave arc surface 19, the concave disc 11 is a disc with two sides thick and a thin middle, the concave disc 11 is a disc with a radius of 150cm, the concave disc 11 is installed on the lower universal rotating ring 26 of the universal rotating mechanism 13 through the universal rotating shaft 18, the balance ball cover 12 is installed on the upper universal rotating ring 25 of the universal rotating mechanism 13 through the universal rotating shaft 18, the universal rotating mechanism 13 enables the inner concave disc 11 and the balance ball cover 12 installed inside to form a universal joint structure through the matching with the rotating connecting shaft 17 and the universal rotating shaft 18, the whole overturn-preventing mechanism 2 can rotate towards any direction to form a tumbler principle, when the water surface suspension platform 1 is impacted and inclined, the water surface suspension platform 1 can drive the connecting rod 5 to rotate obliquely, the oblique rotation of the connecting rod 5 causes the inner concave disc 11 to rotate around the universal rotating shaft 18, the rotation can be stopped when the inner concave disc 11 rotates to be contacted with the bottom plate 15, the balance ball 10 can roll on the inner concave disc 11 along with the rotation of the balance ball cover 12, the balance ball cover 12 rotates to enable the inner wall at the other side of the motion direction to be contacted with the balance ball 10 to push the balance ball 10 to roll towards the lifting direction, therefore, the gravity center of the overturn-preventing mechanism 2 deviates to the lifting side, and the overturn-preventing mechanism 2 has the tendency of recovering balance due to the action of gravity distance, thereby preventing the offshore operation platform from overturning and playing a role in preventing overturning.
In the embodiment, the balance ball 10 is an iron ball with the radius of 75cm, the mass of the iron ball is 13.7t, and the mass of the balance ball 10 can resist the impact of large wind waves.
According to the invention, 4 fixed claw anchors are connected with the bottom of the base support 14 and are sunk on the surface of the sea bottom, the adopted fixed claw anchors are provided with 4 anchor claws 21, the fixed claw anchors and the connecting retaining rings 27 at the bottoms of the upper-end overturn-preventing mechanisms 2 are connected and combined through the connecting chains 24, when the device encounters large waves, the horizontal stress of the overturn-preventing mechanisms is large because of large stress, so that the stability of the device is not ensured, the horizontal tension force borne by the offshore operation overturn-preventing device is transmitted to the fixed claw anchors through the connecting iron chains by connecting the fixed claw anchors at the bottoms of the overturn-preventing mechanisms, so that the overturn-preventing mechanisms are ensured not to move, the offshore operation overturn-preventing device is ensured not to overturn when encountering large waves, and the position of the offshore operation overturn-preventing device is ensured to be fixed.
The invention relates to an anti-overturning device for offshore operation, which utilizes an anti-overturning mechanism based on the tumbler principle to lower the gravity center of the whole device, can improve the stability of the device, can pull one end of an inwards concave disc 11 to lift when the upper part of the device inclines, and the inwards concave disc 11 contacts with a balance ball cover 12 in the lifting process to push the balance ball cover 12 to rotate around a universal rotating shaft 18, and the other side of the balance ball cover 12 can push a balance ball 10 arranged in the device to move towards the lifting side of the inwards concave disc 11, so that the gravity center of an anti-overturning mechanism 2 deviates, and under the action of the gravity moment of the anti-overturning mechanism 2, the offshore operation platform is prevented from overturning.
Due to the influence of wind waves on the water surface and the like, the connecting rod 5 on the water surface suspension platform 1 is connected to the concave disc 11, and the whole offshore operation platform is ensured not to overturn due to the gravity action of the overturn prevention mechanism 2.
When the water surface suspension platform 1 floating on the water surface is influenced by typhoon and the like to move, the anti-overturning mechanism 2 is pulled by the connecting chain 24 to not incline greatly, the direction of the moment generated by external force to the device is opposite to that of the moment generated by gravity relative to a supporting point, the generated gravity moment hinders the device from inclining due to the action of the gravity of the anti-overturning mechanism 2 and the action of the universal rotating mechanism 13, the device is prevented from overturning, the connecting buckle ring 27 at the bottom of the base support 14 of the anti-overturning mechanism 2 can effectively prevent the whole device from generating overlarge displacement under the action of sea waves through the traction of the fixed claw anchor connected with the connecting chain 24, and the anti-overturning performance of the device is also improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a marine operation prevents device that topples, its characterized in that, includes surface of water suspension platform (1), prevents mechanism (2) of toppling, floats body (3) and fixed establishment (4) down, surface of water suspension platform (1) links to each other and sets up in preventing mechanism (2) top of toppling through connecting rod (5) and mechanism (2) of toppling, body (3) are installed in preventing mechanism (2) bottom of toppling down, prevent that mechanism (2) bottom of toppling is connected with fixed establishment (4).
2. An offshore operation overturn prevention device according to claim 1, characterized in that the water surface suspension platform (1) is composed of a connection support mechanism and a suspension mechanism, and the suspension mechanism is arranged below the connection support mechanism.
3. An offshore overturn prevention device according to claim 2, wherein the suspension mechanism comprises a suspension cylinder (8), a groove (9) is formed on the suspension cylinder (8), and a connecting hoop (23) is arranged in the groove (9).
4. The offshore operation overturn prevention device of claim 2, wherein the connection support mechanism comprises a suspension plate (22), an upper layer of longitudinal connecting pipes (6) and a lower layer of transverse connecting pipes (7), the suspension plate (22) is transversely erected at the upper ends of the upper layer of longitudinal connecting pipes (6), the upper layer of longitudinal connecting pipes (6) and the lower layer of transverse connecting pipes (7) are arranged perpendicular to each other, the end parts of the upper layer of longitudinal connecting pipes (6) and the lower layer of transverse connecting pipes (7) are connected to form a support frame, and the extending ends of the lower layer of transverse connecting pipes (7) are fixedly connected with the suspension cylinder (8) through connecting hoops (23) embedded in grooves (9) of the suspension cylinder (8).
5. An offshore overturn preventing device according to claim 2 or 3, wherein the number of the suspension mechanisms is at least 4, and the suspension mechanisms are symmetrically arranged at four corners of the connecting support mechanism.
6. An offshore operation overturn prevention device according to claim 1, characterized in that the overturn prevention mechanism (2) comprises a balance mechanism, a universal rotation mechanism (13) and a base support (14), the balance mechanism is installed in the universal rotation mechanism (13), and the universal rotation mechanism (13) is arranged on the base support (14).
7. The offshore overturn prevention device of claim 6, wherein the base support (14) comprises a bottom plate (15) and mounting supports (16), the mounting supports (16) are symmetrically arranged on two sides of the bottom plate (15), a rotating connecting shaft (17) is arranged on the inner side of the mounting supports (16), and a connecting snap ring (27) is arranged on the outer edge of the bottom plate (15).
8. An offshore overturn prevention device according to claim 6, characterized in that the universal rotation mechanism (13) is rotatably mounted between the mounting brackets (16) through a rotation connecting shaft (17), the inner wall of the universal rotation mechanism (13) is symmetrically provided with a universal rotation shaft (18), and the universal rotation mechanism (13) comprises an upper universal rotation ring (25) and a lower universal rotation ring (26).
9. The offshore operation overturn prevention device according to claim 6, wherein the balancing mechanism comprises a balancing ball (10), a concave disc (11) and a balancing ball cover (12), a concave arc surface (19) is arranged in the middle of the concave disc (11), the concave disc (11) is of a structure with two thick sides and a thin middle part, the balancing ball cover (12) is arranged above the concave disc (11), the balancing ball (10) is covered in the balancing ball cover (12), the bottom of the balancing ball (10) is placed on the concave arc surface (19) of the concave disc (11), the balancing ball cover (12) is rotatably mounted in an upper universal rotating ring (25) through a universal rotating shaft (18), and the concave disc (11) is rotatably mounted in a lower universal rotating ring (26) through the universal rotating shaft (18).
10. An offshore overturn prevention device according to claim 1, characterized in that the fixing mechanism (4) is a claw anchor, the claw anchor comprises an anchor rod (20) and claws (21) at the lower side of the anchor rod (20), the number of the claws (21) is at least four, and the claw anchor is connected to a connecting buckle ring (27) of a bottom plate (15) of the base support (14) through a connecting chain (24) combined with the anchor rod (20) to realize the combined connection of the claw anchor and the base support (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110372711.1A CN113277007B (en) | 2021-04-07 | Anti-overturning device for offshore operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110372711.1A CN113277007B (en) | 2021-04-07 | Anti-overturning device for offshore operation |
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| CN113277007A true CN113277007A (en) | 2021-08-20 |
| CN113277007B CN113277007B (en) | 2024-10-22 |
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| CN113844625A (en) * | 2021-11-10 | 2021-12-28 | 深圳市赛邦连接电子有限公司 | Multifunctional high-reliability diving breathing machine |
| CN113959499A (en) * | 2021-11-03 | 2022-01-21 | 中国海洋大学 | Deep-sea mining ecological environment in-situ long-term automatic monitoring station and evaluation method thereof |
| CN118323376A (en) * | 2024-06-17 | 2024-07-12 | 宏华海洋油气装备（江苏）有限公司 | Novel floating fan platform |
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| CN118323376B (en) * | 2024-06-17 | 2024-08-23 | 宏华海洋油气装备（江苏）有限公司 | Novel floating fan platform |
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