Floatable self-stabilizing offshore operation platform capable of being quickly mounted and dismounted and construction method thereof

Abstract

The invention discloses a floatable self-stabilizing offshore operation platform capable of being mounted and dismounted quickly and a construction method thereof.The floatable self-stabilizing offshore operation platform capable of being mounted and dismounted quickly comprises adjustable hoop assemblies, cantilever beams, modular ribbed beam plates and detachable fence sets, the adjustable hoop assemblies are arranged on and fixed to pile foundations in a sleeving and clasping mode, and the adjustable hoop assemblies are provided with a plurality of insertion grooves used for insertion of the cantilever beams; inserting plates are arranged at one ends of the cantilever beams, inserting holes are formed in the other ends of the cantilever beams, inserting columns are arranged on the top faces of the cantilever beams, floating bodies are connected to the two sides of the cantilever beams, one ends of the cantilever beams are sequentially inserted into inserting grooves in the adjustable hoop assembly through the inserting plates, and the inserting plates and the adjustable hoop assembly are detachably fixed. The modularized ribbed beam plates are provided with fixing holes corresponding to the inserting columns, the modularized ribbed beam plates are sequentially connected with the inserting columns of the cantilever beam in an inserted mode through the fixing holes, the modularized ribbed beam plates are sequentially arranged at the bottom of the detachable fence set on the top face of the cantilever beam, and the modularized ribbed beam plates are detachably connected and fixed to the inserting holes in the top face of the cantilever beam through quick connectors. A damping supporting rod is connected between the cantilever beam and the pile foundation.

Description

Technical Field

[0001] The invention relates to the technical field of marine engineering, and in particular to a floating, fast-installable and self-stabilizing offshore operating platform and a construction method thereof. Background Art

[0002] Marine engineering is one of the key development directions in my country's future engineering construction field. Considering the difficulty of offshore assembly, large-module assembly production on shore and large-module splicing at sea are the future development directions of construction methods.

[0003] The splicing of large modules at sea involves the welding of offshore platforms and pile foundations. Since the ship is affected by the waves and rises and falls, it is impossible to complete the welding work of offshore structures on board. Therefore, a temporary welding platform is set up on the structure so that workers can consider the splicing and complete the welding work efficiently and safely.

[0004] At present, the traditional temporary welding platform still has the following main shortcomings:

[0005] (1) There is a lack of lightweight and detachable designs for marine engineering, and it is impossible to assemble quickly in wave conditions by manpower;

[0006] (2) There is a lack of special designs to reduce the corrosion effects of the marine environment and the vibration caused by waves;

[0007] (3) There is a lack of locking devices that can adapt to different pile types. Summary of the invention

[0008] In view of the above-mentioned technical problems existing in the existing temporary welding platform, the purpose of the present invention is to provide a floating, quickly installable and self-stabilizing offshore operating platform and a construction method thereof. The adjustable hoop assembly can adapt to pile foundations of different diameters, and the cantilever beam, modular rib beam plate, detachable fence group and adjustable hoop assembly in this scheme all adopt a convenient and fast detachable connection structure, which can achieve rapid installation and disassembly by manpower in a wave environment, and further set a damping strut between the cantilever beam and the pile foundation, and achieve stable bearing under wind vibration and wave impact through the setting of the damping strut.

[0009] In order to achieve the above-mentioned purpose, the present invention provides a floating, fast-installed, self-stabilizing offshore operating platform, an adjustable hoop assembly, a plurality of cantilever beams, a plurality of modular rib beam plates, and a detachable fence group. The adjustable hoop assembly is sleeved and tightly fixed on a pile foundation, and the adjustable hoop assembly is provided with a plurality of slots for inserting cantilever beams.

[0010] The cantilever beams are provided with a plug plate at one end and a plug hole at the other end. The top surface of the cantilever beams is provided with plug columns. Both sides of the cantilever beams are connected with floating bodies.

[0011] One end of the plurality of cantilever beams is plugged into the slots on the adjustable hoop assembly through the plug plate in sequence, the plurality of cantilever beams surround the adjustable hoop assembly circumferentially, and the plug plate and the adjustable hoop assembly are detachably fixed.

[0012] The modular rib beam plates are provided with fixing holes corresponding to the plug-in columns, and the plurality of modular rib beam plates are sequentially plugged into the plug-in columns of the cantilever beams through the fixing holes, and the plurality of modular rib beam plates are sequentially arranged on the top surface of the cantilever beams and cover the gaps between the plurality of cantilever beams to form a standing platform;

[0013] The bottom of the detachable fence group is provided with a quick-plug connector corresponding to the plug-in hole on the cantilever beam. The detachable fence group surrounds the edges of several modular rib beam plates and is connected and fixed to the plug-in hole on the top surface of the cantilever beam through the quick-plug connector;

[0014] A damping strut is connected between the cantilever beam and the pile foundation.

[0015] Further, the adjustable hoop assembly comprises a first half ring, a second half ring, a hoop shoe,

[0016] The first half ring and the second half ring have the same structure, and the top surface is provided with a plurality of slots for inserting the cantilever beam, and the side walls of the first half ring and the second half ring are provided with slot fixing holes, and the slot fixing holes are connected with the slots;

[0017] A first connecting portion is provided at one end of the first half ring, and a second connecting portion corresponding to the first connecting portion is provided at one end of the second half ring. Both the first connecting portion and the second connecting portion are provided with coaxial through holes, and a rotatable connection between the first connecting portion and the second connecting portion is achieved through a movable connecting member;

[0018] The other end of the first half ring is provided with a third connecting part, and the other end of the second half ring is provided with a fourth connecting part corresponding to the third connecting part. The third connecting part and the fourth connecting part are provided with a plurality of corresponding adjustment holes in sequence, so that the first half ring is connected and fixed with the other end of the second half ring by passing the connecting piece through the adjustment hole of the third connecting part and the adjustment hole on the fourth connecting part, and a clamping space for clamping the pile foundation is formed between the first half ring and the second half ring, and the diameter of the clamping space can be adjusted by connecting the connecting piece with different adjustment holes on the third connecting part and the fourth connecting part, so as to adapt to pile foundations of different diameters;

[0019] The hoop shoe is lined on the inner surfaces of the first half ring and the second half ring.

[0020] Furthermore, a plurality of through holes are provided on the top surfaces of the first half ring and the second half ring.

[0021] Furthermore, the hoop boots are weather-resistant rubber hoop boots.

[0022] Furthermore, the cantilever beam is a T-shaped steel or an I-shaped steel, a plurality of hollow holes are arranged on the web of the cantilever beam, and floating bodies are fixed on both sides of the web of the cantilever beam;

[0023] A plug plate fixing hole corresponding to the slot fixing hole is provided on the plug plate at one end of the cantilever beam, and one end of the cantilever beam is inserted into the slot through the plug plate, and bolts or quick-connect pins are used to pass through the slot fixing hole and the plug plate fixing hole to connect the cantilever beam to the first half ring or the second half ring.

[0024] Furthermore, the modular rib beam plate is composed of a support frame and an anti-slip panel with drainage holes. The support frame is composed of a plurality of vertical frames and a plurality of horizontal frames. The plurality of vertical frames respectively correspond to a plurality of cantilever beams. The vertical frames are provided with fixing holes corresponding to the plug columns on the top surfaces of the cantilever beams. The modular rib beam plate is fixed to the cantilever beam by sleeves of the fixing holes on the plug columns. A plurality of horizontal frames are connected between adjacent vertical frames, and the plurality of vertical frames are connected by the horizontal frames. The anti-slip panel with drainage holes is connected to the top of the support frame for people to stand on.

[0025] Furthermore, the detachable fence group is composed of a plurality of vertical railings corresponding to the cantilever beams and a plurality of horizontal railings.

[0026] One end of the railing vertical rod is provided with a quick-insertion joint corresponding to the plug-in hole at one end of the cantilever beam, and the quick-insertion joint and the plug-in hole cooperate with each other to form a quick-insertion structure, and a plurality of railing vertical rods are vertically arranged in sequence and respectively connected to the plug-in holes on a plurality of cantilever beams through quick-insertion joints;

[0027] The rod body of the railing vertical rod is provided with a quick-insert support to which the railing cross rod can be connected. Both ends of the railing cross rod are provided with a second quick-insert connector corresponding to the quick-insert connector. The second quick-insert connector and the quick-insert connector cooperate with each other to form a quick-insert structure. Several railing cross rods are respectively connected to the quick-insert supports of two adjacent railing vertical rods through the second quick-insert connectors at both ends to connect several railing vertical rods in sequence.

[0028] Furthermore, one end of the damping strut is hingedly fixed on the cantilever beam through a connecting hole, and the damping strut can be placed as a whole in the cantilever beam to form a folded state by rotation, and can be extended out of the cantilever beam to form an unfolded state by rotation. The other ends of several damping struts are connected to a tensionable chain, and the tensionable chain connects the damping struts, and through tensioning, each damping strut is subjected to force as a whole and fits tightly with the pile foundation.

[0029] In order to achieve the above object, the present invention provides a construction method of a floating, fast-installable, self-stabilizing offshore operating platform, which is used in any one of the above items, and the construction method comprises:

[0030] S1: On the construction ship, the first connecting part and the second connecting part of one end of the first half ring and the second half ring are movably connected through a movable connecting piece; when close to the pile edge, the first half ring and the second half ring are sleeved at a reasonable position on the pile, and the connecting piece is inserted into the adjustment hole of the third connecting part and the adjustment hole on the fourth connecting part to connect and fix the other end of the first half ring and the second half ring, and the clamping space between the first half ring and the second half ring holds the pile foundation tightly;

[0031] S2: Insert all cantilever beams into the slots one by one, and use bolts or quick-connect pins to pass through the slot fixing holes and the plug plate fixing holes to achieve close connection between the cantilever beams and the adjustable hoop assembly;

[0032] S3: One end of a plurality of damping struts is hingedly fixed to the web of the cantilever beam through a connection hole, and the other end is fixed to the pile wall of the pile foundation through a tensionable chain;

[0033] S4: The modular rib beam plate is sleeved on the plug column on the top surface of the cantilever beam through the fixing hole, and a plurality of modular rib beam plates are fixed on the cantilever beam in sequence;

[0034] S5: insert the railing vertical bars into the plug holes on the cantilever beam through the quick-insert connectors in sequence, and rotate and lock them; at the same time, insert the two ends of the railing crossbar into the quick-insert supports on the railing vertical bars through the second quick-insert connectors to achieve connection with the railing vertical bars;

[0035] S6: When the use is completed and ready for disassembly, use multiple lashing slings to fix the ends of the cantilever beams at one end and fix the other end on the fixed structural member, then remove the movable connector and the corresponding railing crossbar and modular rib beam plate on the connector to expose the movable connector and the connector, and then remove the connector to disconnect the first half ring from one end of the second half ring; slowly lower the lashing slings through the hoist to move the offshore operating platform down to the water surface as a whole; drag the offshore operating platform away from the pile foundation, hoist it onto the ship and disassemble it piece by piece according to the above installation sequence.

[0036] Compared with the prior art, the floating, fast-installable, self-stabilizing offshore operating platform and its construction method provided by the present invention have the following beneficial effects:

[0037] (1) The whole structure is made of lightweight, high-strength and corrosion-resistant materials, with high structural reliability;

[0038] (2) Installed at the weld joint of the pile top platform, connected by quick plug, rotary locking, etc., which is simple and fast and can be quickly installed and disassembled;

[0039] (3) The clamps and hoop shoes can be adjusted to adapt to various pile sections; and the damping struts can be used to achieve self-stabilizing load-bearing under wind vibration and wave impact;

[0040] (4) The lower part contains a float, which can be lowered to the water surface, dragged away from the pile body, lifted up and then removed on the ship, saving installation and disassembly time. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0042] Figure 1 A schematic diagram of the overall structure of a floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0043] Figure 2 A schematic diagram of the structure of an adjustable hoop assembly in a floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0044] Figure 3 A schematic structural diagram of the first half ring of the adjustable hoop assembly in the floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0045] Figure 4 A schematic diagram of the structure of the second half ring of the adjustable hoop assembly in the floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0046] Figure 5 A schematic diagram of the structure of a cantilever beam in a floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0047] Figure 6 A schematic diagram of the structure of a modular rib beam plate in a floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0048] Figure 7 A schematic diagram of the structure of a detachable fence group in a floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention;

[0049] Figure 8 A schematic diagram of the structure of the railing vertical bars of the detachable fence group in the floating, fast-installable and self-stabilizing offshore operating platform provided by the present invention;

[0050] Fig. 9 A schematic structural diagram of railing crossbars of a detachable fence group in a floating, quickly installable, self-stabilizing offshore operating platform provided by the present invention.

[0051] Illustration Description:

[0052] An adjustable hoop assembly 100, a cantilever beam 200, a plurality of modular rib beam plates 300, a removable fence assembly 400, a floating body 500, and a damping strut 600;

[0053] The first half ring 110, the first connecting part 111, the third connecting part 112, the second half ring 120, the second connecting part 121, the fourth connecting part 122, the hoop boot 130, the slot 140, the through hole 150, the adjustment hole 160, the slot fixing hole 141, the hollow hole 201, the plug plate 210, the plug plate fixing hole 211, the plug hole 220, the plug column 230, the vertical frame 311, the horizontal frame 312, the fixing hole 313, the anti-slip panel 320 with the drainage hole, the railing vertical rod 410, the quick-connect connector 411, the quick-connect support 412, the railing horizontal rod 420, the second quick-connect connector 421, and the tensionable chain 610. DETAILED DESCRIPTION

[0054] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.

[0055] See also Figure 1 , which is a schematic diagram of the structure of a floating, quickly installable and self-stabilizing offshore operating platform provided by the present invention.

[0056] As can be seen from the figure, the floating, fast-installable, self-stabilizing offshore operating platform provided by the present invention includes four components: an adjustable hoop assembly 100 , a plurality of cantilever beams 200 , a plurality of modular rib beam plates 300 , and a detachable fence assembly 400 .

[0057] The adjustable hoop assembly 100 is mounted and fixed on the pile foundation, and the adjustable hoop assembly 100 is provided with a plurality of slots 140 for inserting the cantilever beam 200.

[0058] A plug plate 210 is provided at one end of the cantilever beam 200, and a plug hole 220 is provided at the other end. A plug column 230 is provided on the top surface of the cantilever beam 200, and a floating body 500 is connected to both sides.

[0059] A plurality of cantilever beams 200 surround the adjustable hoop assembly 100 in a circumferential direction, and one end of the plurality of cantilever beams 200 is plugged into the slot 140 on the adjustable hoop assembly 100 through the plug plate 210 in sequence, and the plug plate 210 is detachably fixed to the adjustable hoop assembly 100.

[0060] The modular rib beam plate 300 is provided with fixing holes 313 corresponding to the plug posts 230, and a plurality of modular rib beam plates 300 are sequentially plugged into the plug posts 230 of the cantilever beam 200 through the fixing holes 313, and a plurality of modular rib beam plates 300 are sequentially arranged on the top surface of the cantilever beam 200 and cover the gaps between the cantilever beams 200 to form a standing platform;

[0061] A quick-connect connector 411 corresponding to the plug-in hole 220 on the cantilever beam 200 is provided at the bottom of the detachable fence group 400. The detachable fence group 400 surrounds the edges of the plurality of modular rib beam plates 300 and is detachably connected and fixed to the plug-in hole 220 on the top surface of the cantilever beam 200 through the quick-connect connector 411.

[0062] A damping strut 600 is connected between the cantilever beam 200 and the pile foundation.

[0063] Compared with the prior art, the present solution can adapt to pile foundations of different diameters through the adjustable hoop assembly 100, and the cantilever beam 200, the modular rib beam plate 300, the detachable fence group 400 and the adjustable hoop assembly 100 in the present solution all adopt a convenient and fast detachable connection structure, so that rapid installation and disassembly by manpower in a wave environment can be achieved, and a damping strut 600 is further arranged between the cantilever beam 200 and the pile foundation, and stable bearing under wind vibration and wave impact is achieved through the arrangement of the damping strut 600.

[0064] Specifically, Figure 2-Figure 4 The adjustable hoop assembly 100 includes a first half ring 110, a second half ring 120, and a hoop shoe 130.

[0065] The first half ring 110 and the second half ring 120 have the same structure, and the top surface is provided with a plurality of slots 140 for inserting the cantilever beam 200, and the side walls of the first half ring 110 and the second half ring 120 are provided with slot fixing holes 141, and the slot fixing holes 141 are connected with the slots 140;

[0066] In order to reduce the structural weight of the first half ring 110 and the second half ring 120 , a plurality of through holes 150 are disposed on the top surfaces of the first half ring 110 and the second half ring 120 .

[0067] A first connecting portion 111 is provided at one end of the first half ring 110, and a second connecting portion 121 corresponding to the first connecting portion 111 is provided at one end of the second half ring 120. Both the first connecting portion 111 and the second connecting portion 121 are provided with coaxial through holes, and a rotatable connection between the first connecting portion 111 and the second connecting portion 121 is achieved through a movable connecting member;

[0068] The movable connecting member is not limited in this solution and can be determined according to actual needs. For example, this example preferably uses a pin shaft, and the first connecting part 111 and the second connecting part 121 are rotatably connected by the pin shaft, so that the first half ring 110 and one end of the second half ring 120 can rotate around the pin shaft.

[0069] A third connecting portion 112 is provided at the other end of the first half ring 110, and a fourth connecting portion 122 corresponding to the third connecting portion 112 is provided at the other end of the second half ring 120. A plurality of corresponding adjustment holes 160 are provided on the third connecting portion 112 and the fourth connecting portion 122 in sequence, so that the first half ring 110 and the other end of the second half ring 120 are connected and fixed by passing the connecting piece through the adjustment holes 160 of the third connecting portion 112 and the adjustment holes 160 on the fourth connecting portion 122, and a clamping space for clamping the pile foundation is formed between the first half ring 110 and the second half ring 120. The diameter of the clamping space can be adjusted by connecting the connecting piece to different adjustment holes 160 on the third connecting portion 112 and the fourth connecting portion 122, so as to adapt to pile foundations of different diameters.

[0070] The above-mentioned connecting member in this solution preferably adopts a quick-insert locking pin, which is inserted into the adjustment holes 160 on the third connecting part 112 and the fourth connecting part 122 in sequence to fix and clamp the other end of the first half ring 110 and the second half ring 120.

[0071] The hoop shoe 130 is lined on the inner surfaces of the first half ring 110 and the second half ring 120 .

[0072] The hoop boot 130 is made of flexible material, and in this example, a weather-resistant rubber hoop boot is preferably used to protect the paint surface of the pile foundation, increase friction, and prevent falling. The inclination angle can be changed according to different pile foundation diameters and slopes.

[0073] The adjustable hoop assembly 100 of such structure cooperates with a plurality of cantilever beams 200 , and the plurality of cantilever beams 200 are connected around the adjustable hoop assembly 100 to carry a plurality of modular rib beam plates 300 and a detachable fence set 400 .

[0074] like Figure 5 The cantilever beam 200 may be a T-shaped steel or an I-shaped steel, and the cross-sectional height may be adjusted according to the load size. A plurality of hollow holes 201 are provided on the web of the cantilever beam 200, and floating bodies 500 are fixed on both sides of the web of the cantilever beam 200;

[0075] The buoyancy provided by the floating body 500 can keep the platform floating on the water surface. Thus, when the platform is dismantled, it can be lowered to the water surface, dragged away from the pile body, lifted up, and then dismantled on the ship, thus saving installation and dismantling time.

[0076] A plug plate fixing hole 211 corresponding to the slot fixing hole 141 is provided on the plug plate 210 at one end of the cantilever beam 200. One end of the cantilever beam 200 is inserted into the slot 140 through the plug plate 210, and bolts or quick-connect pins are used to pass through the slot fixing hole 141 and the plug plate fixing hole 211 to connect the cantilever beam 200 and the first half ring 110 or the second half ring 120.

[0077] Furthermore, if Figure 6 The modular rib beam plate 300 is composed of a support frame and a non-slip panel 320 with a drainage hole. The support frame is composed of a plurality of vertical frames 311 and a plurality of horizontal frames 312. The plurality of vertical frames 311 correspond to the plurality of cantilever beams 200 respectively. The vertical frames 311 are provided with fixing holes 313 corresponding to the plug posts 230 on the top surface of the cantilever beam 200. The fixing holes 313 are sleeved on the plug posts 230 to fix the modular rib beam plate 300 on the cantilever beam 200. A plurality of horizontal frames 312 are connected between adjacent vertical frames 311, and the plurality of vertical frames 311 are connected through the horizontal frames 312.

[0078] The anti-skid panel 320 with drainage holes is connected to the top of the support frame for people to stand on.

[0079] The above-mentioned support frame and the anti-skid panel 320 with drainage holes are preferably made of lightweight and high-strength materials, such as an aluminum alloy support frame and an aluminum alloy anti-skid plate; the anti-skid panel 320 with drainage holes can also be made of a stainless steel anti-skid plate.

[0080] Furthermore, if Figure 7-Figure 9 The detachable fence set 400 is composed of a plurality of vertical railing bars 410 corresponding to the cantilever beam 200 and a plurality of horizontal railing bars 420.

[0081] One end of the railing vertical rod 410 is provided with a quick-insertion connector 411 corresponding to the plug hole 220 at one end of the cantilever beam 200. The quick-insertion connector 411 and the plug hole 220 cooperate with each other to form a quick-insertion structure. A plurality of railing vertical rods 410 are vertically arranged in sequence and are respectively connected to the plug holes 220 on a plurality of cantilever beams 200 through the quick-insertion connectors 411.

[0082] A quick-insert support 412 to which a railing cross bar 420 can be connected is provided on the rod body of the railing vertical rod 410, and second quick-insert connectors 421 corresponding to the quick-insert support 412 are provided at both ends of the railing cross bar 420. The second quick-insert connectors 421 and the quick-insert support 412 cooperate with each other to form a quick-insert structure. Several railing cross bars 420 are respectively connected to the quick-insert supports 412 of two adjacent railing vertical rods 410 through the second quick-insert connectors 421 at both ends, so as to connect several railing vertical rods 410 in sequence.

[0083] The present solution does not limit the quick-insertion structure of the quick-insertion connector 411 and the plug-in hole 220 and the quick-insertion structure of the second quick-insertion connector 421 and the quick-insertion support 412, which can be determined according to actual needs. For example, the present solution can adopt threaded matching or mortise and tenon matching, and the quick-insertion connector 411 and the plug-in hole 220 are provided with mutually matching threaded structures, so that the quick-insertion connector 411 and the plug-in hole 220 are threadedly connected by rotation, and the quick-insertion connector 411 is provided as a tenon, and the hole of the plug-in hole 220 is provided as a mortise groove corresponding to the tenon, so that the quick-insertion connector 411 is inserted into the plug-in hole 220 to achieve connection through mortise and tenon matching;

[0084] The second quick-insert connector 421 and the quick-insert support 412 are the same as described above and are not described in detail herein.

[0085] Furthermore, if Figure 1 One end of the damping strut 600 is hinged and fixed on the cantilever beam 200 through a connecting hole. The damping strut 600 can be placed as a whole in the cantilever beam 200 to form a folded state by rotation, and can be extended out of the cantilever beam 200 to form an unfolded state by rotation. The other ends of several damping struts 600 are connected to a tensionable chain 610, and the tensionable chain 610 connects the damping struts 600, and through tensioning, each damping strut 600 is subjected to a force as a whole and fits tightly with the pile foundation.

[0086] Based on the floating, fast-installable, self-stabilizing offshore operating platform constructed by the above scheme, this scheme also provides a construction method thereof, and the construction steps are as follows:

[0087] S1: On the construction ship, the first connecting part 111 and the second connecting part 121 at one end of the first half ring 110 and the second half ring 120 are movably connected through a movable connecting piece; when approaching the pile edge, the first half ring 110 and the second half ring 120 are placed at a reasonable position on the pile, and the adjusting hole 160 of the third connecting part 112 and the adjusting hole 160 on the fourth connecting part 122 are inserted through the connecting piece to connect and fix the other end of the first half ring 110 and the second half ring 120, and the clamping space between the first half ring 110 and the second half ring 120 tightly holds the pile foundation;

[0088] S2: insert all cantilever beams 200 into the slots 140 one by one, and use bolts or quick-connect pins to pass through the slot fixing holes 141 and the plug plate fixing holes 211 to achieve close connection between the cantilever beam 200 and the adjustable hoop assembly 100;

[0089] S3: hinge one end of the damping strut 600 to the web of the cantilever beam 200 through the connection hole, and fix the other end to the pile wall of the pile foundation through the tensionable chain 610;

[0090] S4: The modular rib beam plate 300 is sleeved on the plug column 230 on the top surface of the cantilever beam 200 through the fixing hole 313, and a plurality of modular rib beam plates 300 are fixed on the cantilever beam 200 in sequence;

[0091] S5: insert the railing vertical rod 410 into the plug hole 220 on the cantilever beam 200 through the quick-insert connector 411 in sequence, and rotate and lock; at the same time, insert both ends of the railing cross bar 420 into the quick-insert support 412 on the railing vertical rod 410 through the second quick-insert connector 421 to achieve connection with the railing vertical rod 410;

[0092] S6: When the use is completed and ready to be disassembled, use multiple lashing slings to fix the ends of the cantilever beam 200 at one end respectively, and fix the other end to the fixed structural member, then remove the movable connector and the corresponding railing crossbar 420 and modular rib beam plate 300 on the connector to expose the movable connector and the connector, and then remove the connector to disconnect the first half ring 110 from one end of the second half ring 120; slowly lower the lashing slings through the hoist to move the offshore operating platform down to the water surface as a whole; drag the offshore operating platform away from the pile foundation, hoist it onto the ship and disassemble it piece by piece according to the above installation sequence.

[0093] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A floating, fast-installable, self-stabilizing offshore operating platform, characterized in that: It includes an adjustable hoop assembly, a plurality of cantilever beams, a plurality of modular rib beam plates, and a detachable fence group. The adjustable hoop assembly is sleeved and fixed on the pile foundation. The adjustable hoop assembly is provided with a plurality of slots for inserting the cantilever beams. The cantilever beams are provided with a plug plate at one end and a plug hole at the other end. The top surface of the cantilever beams is provided with plug columns. Both sides of the cantilever beams are connected with floating bodies. One end of the plurality of cantilever beams is plugged into the slots on the adjustable hoop assembly through the plug plate in sequence, the plurality of cantilever beams surround the adjustable hoop assembly circumferentially, and the plug plate and the adjustable hoop assembly are detachably fixed. The modular rib beam plates are provided with fixing holes corresponding to the plug-in columns, and the plurality of modular rib beam plates are sequentially plugged into the plug-in columns of the cantilever beams through the fixing holes, and the plurality of modular rib beam plates are sequentially arranged on the top surface of the cantilever beams and cover the gaps between the plurality of cantilever beams to form a standing platform; The bottom of the detachable fence group is provided with a quick-plug connector corresponding to the plug-in hole on the cantilever beam. The detachable fence group surrounds the edges of several modular rib beam plates and is connected and fixed to the plug-in hole on the top surface of the cantilever beam through the quick-plug connector; A damping strut is connected between the cantilever beam and the pile foundation.

2. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 1 is characterized in that: The adjustable hoop assembly comprises a first half ring, a second half ring, a hoop shoe, The first half ring and the second half ring have the same structure, and the top surface is provided with a plurality of slots for inserting the cantilever beam, and the side walls of the first half ring and the second half ring are provided with slot fixing holes, and the slot fixing holes are connected with the slots; A first connecting portion is provided at one end of the first half ring, and a second connecting portion corresponding to the first connecting portion is provided at one end of the second half ring. Both the first connecting portion and the second connecting portion are provided with coaxial through holes, and a rotatable connection between the first connecting portion and the second connecting portion is achieved through a movable connecting member; The other end of the first half ring is provided with a third connecting part, and the other end of the second half ring is provided with a fourth connecting part corresponding to the third connecting part. The third connecting part and the fourth connecting part are provided with a plurality of corresponding adjustment holes in sequence, so that the first half ring is connected and fixed with the other end of the second half ring by passing the connecting piece through the adjustment hole of the third connecting part and the adjustment hole on the fourth connecting part, and a clamping space for clamping the pile foundation is formed between the first half ring and the second half ring, and the diameter of the clamping space can be adjusted by connecting the connecting piece with different adjustment holes on the third connecting part and the fourth connecting part, so as to adapt to pile foundations of different diameters; The hoop shoe is lined on the inner surfaces of the first half ring and the second half ring.

3. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 2 is characterized in that: A plurality of through holes are disposed on the top surfaces of the first half ring and the second half ring.

4. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 2 is characterized in that: The hoop boots are weather-resistant rubber hoop boots.

5. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 2 is characterized in that: The cantilever beam is a T-shaped steel or an I-shaped steel, a plurality of hollow holes are arranged on the web of the cantilever beam, and floating bodies are fixed on both sides of the web of the cantilever beam; A plug plate fixing hole corresponding to the slot fixing hole is provided on the plug plate at one end of the cantilever beam, and one end of the cantilever beam is inserted into the slot through the plug plate, and bolts or quick-connect pins are used to pass through the slot fixing hole and the plug plate fixing hole to connect the cantilever beam to the first half ring or the second half ring.

6. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 1, characterized in that: The modular rib beam plate is composed of a support frame and an anti-slip panel with drainage holes. The support frame is composed of a plurality of vertical frames and a plurality of horizontal frames. The plurality of vertical frames correspond to a plurality of cantilever beams respectively. The vertical frames are provided with fixing holes corresponding to the plug columns on the top surfaces of the cantilever beams. The modular rib beam plate is fixed to the cantilever beam by sleeves of the fixing holes on the plug columns. A plurality of horizontal frames are connected between adjacent vertical frames, and the plurality of vertical frames are connected by the horizontal frames. The anti-slip panel with drainage holes is connected to the top of the support frame for people to stand on.

7. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 1, characterized in that: The detachable fence group is composed of a plurality of vertical railings corresponding to the cantilever beams and a plurality of horizontal railings. One end of the railing vertical rod is provided with a quick-insertion joint corresponding to the plug-in hole at one end of the cantilever beam, and the quick-insertion joint and the plug-in hole cooperate with each other to form a quick-insertion structure, and a plurality of railing vertical rods are vertically arranged in sequence and respectively connected to the plug-in holes on a plurality of cantilever beams through quick-insertion joints; The rod body of the railing vertical rod is provided with a quick-insert support to which the railing cross rod can be connected. Both ends of the railing cross rod are provided with a second quick-insert connector corresponding to the quick-insert connector. The second quick-insert connector and the quick-insert connector cooperate with each other to form a quick-insert structure. Several railing cross rods are respectively connected to the quick-insert supports of two adjacent railing vertical rods through the second quick-insert connectors at both ends to connect several railing vertical rods in sequence.

8. The floating, fast-installable, self-stabilizing offshore operating platform according to claim 1, characterized in that: One end of the damping strut is hinged and fixed on the cantilever beam through a connecting hole. The damping strut can be placed as a whole in the cantilever beam to form a folded state by rotation, and can be extended out of the cantilever beam to form an unfolded state by rotation. The other ends of several damping struts are connected to a tensionable chain. The tensionable chain connects the damping struts and makes the damping struts bear force as a whole by tensioning, so as to fit tightly with the pile foundation.

9. A construction method for a floating, fast-installable, self-stabilizing offshore operating platform, characterized in that: include: S1: On the construction ship, the first connecting part and the second connecting part of one end of the first half ring and the second half ring are movably connected through a movable connecting piece; when close to the pile edge, the first half ring and the second half ring are sleeved at a reasonable position on the pile, and the connecting piece is inserted into the adjustment hole of the third connecting part and the adjustment hole on the fourth connecting part to connect and fix the other end of the first half ring and the second half ring, and the clamping space between the first half ring and the second half ring holds the pile foundation tightly; S2: Insert all cantilever beams into the slots one by one, and use bolts or quick-connect pins to pass through the slot fixing holes and the plug plate fixing holes to achieve close connection between the cantilever beams and the adjustable hoop assembly; S3: One end of a plurality of damping struts is hingedly fixed to the web of the cantilever beam through a connection hole, and the other end is fixed to the pile wall of the pile foundation through a tensionable chain; S4: The modular rib beam plate is sleeved on the plug column on the top surface of the cantilever beam through the fixing hole, and a plurality of modular rib beam plates are fixed on the cantilever beam in sequence; S5: insert the railing vertical bars into the plug holes on the cantilever beam through the quick-insert connectors in sequence, and rotate and lock them; at the same time, insert the two ends of the railing crossbar into the quick-insert supports on the railing vertical bars through the second quick-insert connectors to achieve connection with the railing vertical bars; S6: When the use is completed and ready for disassembly, use multiple lashing slings to fix the ends of the cantilever beams at one end and fix the other end on the fixed structural member, then remove the movable connector and the corresponding railing crossbar and modular rib beam plate on the connector to expose the movable connector and the connector, and then remove the connector to disconnect the first half ring from one end of the second half ring; slowly lower the lashing slings through the hoist to move the offshore operating platform down to the water surface as a whole; drag the offshore operating platform away from the pile foundation, hoist it onto the ship and disassemble it piece by piece according to the above installation sequence.

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