A steel pipe pile sinking positioning platform for a typhoon-prevention offshore crane ship

Abstract

The application discloses a steel pipe pile sinking positioning platform for a typhoon-prevention offshore crane ship, and belongs to the technical field of offshore foundation structure construction. The steel pipe pile sinking positioning platform comprises a support frame which realizes a supporting function, a working platform fixedly installed at the upper end of the support frame, and suction cylinders uniformly installed at the lower end of the support frame. The steel pipe pile sinking positioning platform further comprises a guide seat fixedly installed at the upper end of the working platform, a limiting assembly penetratingly arranged at the lower portion of the guide seat, an adjusting assembly installed on the upper surface of the working platform, and an auxiliary supporting mechanism arranged on a protection plate and a buffer plate and used for realizing temporary auxiliary support. The steel pipe pile sinking positioning platform can accurately position steel pipe piles with different diameters and sizes, effectively improves the sinking precision of the steel pipe piles and reduces the abrasion of the steel pipe piles, and can buffer and provide auxiliary support for the support frame in adverse weather such as typhoon, thereby further improving the use stability of the positioning platform.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of offshore foundation construction, in particular to a steel pipe pile sinking positioning platform for a typhoon-preventing offshore crane ship. BACKGROUND

[0002] In the process of offshore construction, such as berth construction and cross-sea bridge construction, an offshore crane ship needs to be used to preform pile sinking operation on the seabed, in order to ensure the accuracy and safety of pile sinking, a pile sinking positioning platform also needs to be used to ensure the accuracy of pile sinking position, and the existing steel pipe pile sinking positioning platform for an offshore crane ship still has some problems.

[0003] In the prior art, for example, a steel pipe pile positioning platform for a crane ship is disclosed in CN210917364U, which comprises a pile stabilizing part and a fixing part. The pile stabilizing part comprises upper and lower platforms and a pile holding mechanism; the upper and lower platforms are both rectangular with open front ends; the upper and lower platforms are connected by four vertical pipes; the pile holding mechanism comprises eight top-pushing oil cylinders, each of which is installed on two oil cylinder rear supports and two oil cylinder front supports of the upper and lower platforms. The fixing part comprises upper and lower frames which are rectangular; the upper and lower frames are connected by four straight beams and four pairs of vertical X-shaped diagonal bracing beams; the upper and lower platforms are respectively connected to the upper and lower frames by four connecting rods. The lower frame of the fixing part is welded to the deck of the crane ship by a stiffener plate, so that the pile stabilizing part is suspended outside the side of the crane ship;

[0004] Also, CN115434320A discloses a pile sinking positioning device and a pile sinking positioning method. The pile sinking positioning device comprises a positioning frame, a cylindrical foundation, a water pump platform, an operation platform, a water pump, a hydraulic pipeline, a control assembly and a water pipe pipeline. The cylindrical foundation, the water pump platform and the operation platform are all installed on the positioning frame; the water pump can pump water from the cylindrical foundation to make the cylindrical foundation suck the seabed soil, and can inject water into the cylindrical foundation to make the cylindrical foundation separate from the seabed soil; the hydraulic pipeline comprises a liquid supply pipe and a liquid return pipe connected with the water pump, the liquid supply pipe is used to deliver driving liquid to the water pump, and the liquid return pipe is used to return the driving liquid; the control assembly is connected with the liquid supply pipe and the liquid return pipe; the water pipe pipeline is arranged on the positioning frame, and both ends of the water pipe pipeline are connected with the water pump and the cylindrical foundation. The pile sinking positioning device is of an integrated structure, is stable and reliable, does not need to be disassembled when moving, and improves the construction efficiency;

[0005] Also as disclosed in CN114941325A, a water-based stratum suction static pressure pile sinking device and method, the device includes a suction cylinder group, a connecting support frame, a guide rail group, a walking mechanism, and a static pressure pile machine; the suction cylinder group is arranged at the bottom of the connecting support frame; the guide rail group is erected on the connecting support frame and is composed of two parallel and spaced guide rail frames; the walking mechanism includes two track wheel groups arranged on the bottom surface of the bearing platform, two hydraulic motors, two drive shaft groups, and a hydraulic pump station; the static pressure pile machine is fixed on the horizontally arranged bearing platform, and the pile hole thereon is coaxially arranged with the pile hole opened on the platform; the two track wheel groups are assembled in the two guide rail frames, the hydraulic pump station is connected with the two hydraulic motors, and each hydraulic motor is connected with the front track wheel group on the same side through the drive shaft group; the device and method realize the pile foundation construction of multiple sites during the walking of the static pressure pile machine on the water, and have the advantages of convenient construction, rapid and efficient construction, low construction cost, and recyclable use

[0006] However, the existing steel pipe pile sinking positioning platform for offshore lifting ships is only fixed with the ship body or directly adsorbed and fixed on the seabed during use, so that strong wind and sea waves can seriously affect the stability of the platform when encountering typhoon and other bad weather, thereby affecting the pile sinking precision, and it is not convenient to accurately limit and guide steel pipe piles of different sizes. SUMMARY

[0007] The purpose of the present application is to provide a steel pipe pile sinking positioning platform for offshore lifting ships that can prevent typhoon shaking, in order to solve the problem of the current market steel pipe pile sinking positioning platform for offshore lifting ships that can only be fixed with the ship body or directly adsorbed and fixed on the seabed during use, so that strong wind and sea waves can seriously affect the stability of the platform when encountering typhoon and other bad weather, thereby affecting the pile sinking precision, and it is not convenient to accurately limit and guide steel pipe piles of different sizes.

[0008] To achieve the above purpose, the present application provides the following technical solution: a steel pipe pile sinking positioning platform for offshore lifting ships that can prevent typhoon shaking, including a support frame that realizes a supporting function, a working platform fixedly installed at the upper end of the support frame, and suction cylinders uniformly installed at the lower end of the support frame, and the suction cylinders are realized by a pump to achieve negative pressure adsorption;

[0009] It also includes a guide seat fixedly installed at the upper end of the working platform to realize the guidance of the steel pipe pile, and a limiting assembly is arranged through the lower part of the guide seat to realize the limiting of steel pipe piles of different diameters;

[0010] An adjusting assembly is installed on the upper surface of the working platform to realize the synchronous driving and adjusting of multiple limiting assemblies;

[0011] The rotating seat is rotatably installed outside the working platform, the outer side of the rotating seat is symmetrically and fixedly provided with a flow resistance plate and a protective plate, and the outer side of the protective plate is elastically provided with a buffer plate;

[0012] The auxiliary supporting mechanism is arranged on the protective plate and the buffer plate, and is used for temporarily assisting in supporting to improve the use stability of the platform in bad weather.

[0013] Preferably, the guide seat is in a funnel structure, and a through hole is arranged in the middle of the working platform, and the lower end of the guide seat is communicated with the through hole of the working platform.

[0014] By adopting the above technical scheme, the guide seat can guide the lower end of the hoisted steel pipe pile, and the steel pipe pile can be accurately driven into the ground under the action of the positioning platform.

[0015] Preferably, the adjusting assembly comprises a hydraulic cylinder fixedly installed on the upper surface of the working platform, the working platform is above the sea, the upper surface of the working platform is rotatably provided with an adjusting piece, the adjusting piece is in a ring structure, and a connecting rod is hinged between the upper surface of the adjusting piece and the output end of the hydraulic cylinder.

[0016] By adopting the above technical scheme, the output end of the hydraulic cylinder is controlled to be adjusted in extension and retraction, so that the hydraulic cylinder drives the adjusting piece to rotate through the connecting rod, and the position of the limiting assembly can be adjusted synchronously.

[0017] Preferably, the inner wall of the adjusting piece is uniformly provided with inclined blocks, the limiting assembly comprises a telescopic rod uniformly and penetratingly arranged on the guide seat, the telescopic rod penetrates through the guide seat and is connected with the guide seat through a first spring, the telescopic rod and the guide seat form an elastic telescopic structure, one end of the telescopic rod close to the adjusting piece is rotatably connected with a roller, and the roller rolls along the inclined surface of the inclined block in the rotating process of the adjusting piece.

[0018] By adopting the above technical scheme, when the adjusting piece rotates, the inclined blocks on the inner side of the adjusting piece will touch the roller, so that the roller rolls along the inclined surface of the inclined block, and then drives the telescopic rod to be elastically adjusted on the guide seat.

[0019] Preferably, a guide wheel is rotatably installed on one end of the telescopic rod close to the steel pipe pile, and the guide wheel is attached to the outer side of the steel pipe pile to limit and guide the steel pipe pile.

[0020] By adopting the above technical scheme, after the telescopic rod is adjusted, the guide wheel can be attached to the outer wall of the steel pipe pile, and the rotating movement mode of the guide wheel can facilitate the subsequent driving of the steel pipe pile and reduce the abrasion between the steel pipe pile and the limiting piece.

[0021] Preferably, the baffle plate drives the rotating seat to rotate under the action of wind and waves, and the protective plate is arranged in an arc structure.

[0022] By adopting the above technical scheme, under adverse weather such as typhoon, the baffle plate can drive the rotating seat to rotate under the action of wind and waves, automatic adjustment of the position of the protective plate is realized, and the protective plate can effectively protect the support frame.

[0023] Preferably, the buffer plate and the protective plate are arranged in arc structures, and the buffer plate and the protective plate are uniformly provided with turbulence holes, and the buffer plate and the protective plate are connected by a second spring.

[0024] By adopting the above technical scheme, when the buffer plate is impacted by waves or external objects, the buffer plate can elastically move, thereby achieving buffering, and the stability of the support frame is avoided from being affected by excessive impact force, thereby ensuring the sinking pile precision under adverse weather.

[0025] Preferably, the auxiliary support mechanism includes auxiliary frames elastically and rotatably installed on both sides of the protective plate, the shaft portions of the auxiliary frames are provided with traction ropes, and one end of the traction rope close to the buffer plate is fixedly connected to the buffer plate.

[0026] By adopting the above technical scheme, when the buffer plate is elastically displaced under stress, the auxiliary frame can automatically elastically rotate and turn down, so that the lower end of the auxiliary frame can contact the seabed, thereby providing auxiliary support force, and the establishment stability of the support frame is effectively improved.

[0027] Compared with the prior art, the offshore crane ship steel pipe pile sinking positioning platform against typhoon shaking has the advantages that the steel pipe pile of different diameters can be accurately positioned, the sinking pile precision is effectively improved, the wear of the steel pipe pile is reduced, the support frame can be buffered and supported under adverse weather such as typhoon, and the use stability of the positioning platform is further improved.

[0028] 1. The adjusting member, the inclined block, the connecting rod and the telescopic rod are arranged, when the steel pipe pile is needed to be sunk, the lifting equipment of the crane ship is used to vertically lift the steel pipe pile, the lower end of the steel pipe pile is close to the guide seat and is moved downward, the steel pipe pile penetrates the guide seat and the working platform, then the hydraulic cylinder is started, the output end of the hydraulic cylinder pulls the adjusting member to rotate through the connecting rod, the inclined block on the inner side of the adjusting member can abut against the roller, the roller rolls along the inclined surface of the inclined block, thereby the telescopic rod is elastically adjusted, the guide wheel at the end of the telescopic rod can be attached to the steel pipe pile, the positioning of the steel pipe pile is realized, and the steel pipe pile of different sizes can be positioned.

[0029] 2. The rotating seat, the flow resistance plate and the protective plate are arranged, when the construction encounters bad weather, the flow resistance plate can block the wind and the sea wave, so that the rotating seat is driven to rotate by the flow resistance plate, the protective plate and the buffer plate are moved to the windward surface, and automatic and accurate protection of the support frame is realized.

[0030] The further protective plate and the buffer plate are provided with the spoiler hole, the sea wave can be disturbed, the impact force received by the support frame is reduced, the buffer plate can be elastically moved after being stressed, buffering is realized, and the protection effect of the support frame is further improved.

[0031] 3. The auxiliary frame and the traction rope are arranged, when the buffer plate is elastically moved, the auxiliary frame is automatically elastically rotated and unfolded, contacts the seabed, the support is realized, and the use safety of the support frame in bad weather is further improved. DETAILED DESCRIPTION

[0032] Figure 1 It is a front view structure schematic diagram of the application;

[0033] Figure 2 It is a rear view structure schematic diagram of the application;

[0034] Figure 3 It is a sectional view structure schematic diagram of the application;

[0035] Figure 4 It is a structure schematic diagram of the application; Figure 3 It is an enlarged structure schematic diagram of A in the application;

[0036] Figure 5 It is an adjusting piece installation structure schematic diagram of the application;

[0037] Figure 6 It is a hydraulic cylinder and adjusting piece connection structure schematic diagram of the application;

[0038] Figure 7 It is an auxiliary frame unfolding installation structure schematic diagram of the application;

[0039] Figure 8 It is an enlarged structure schematic diagram of B in the application; Figure 7

[0040] Figure 9 It is an auxiliary frame folding installation structure schematic diagram of the application.

[0041] In the drawing: 1, support frame; 2, working platform; 3, suction cylinder; 4, guide seat; 5, hydraulic cylinder; 6, adjusting piece; 601, inclined block; 7, connecting rod; 8, telescopic rod; 9, roller; 10, first spring; 11, guide wheel; 12, rotating seat; 13, flow resistance plate; 14, protective plate; 15, buffer plate; 16, second spring; 17, auxiliary frame; 18, traction rope. DETAILED DESCRIPTION​

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0043] Embodiment one: please refer to Figures 1-6 As shown in the figure, the existing offshore crane steel pipe pile sinking positioning platform needs to use multiple separate driving devices to push the positioning mechanisms at different positions to realize the positioning of the steel pipe pile, which makes the operation process prone to cause inconsistent movement of the positioning mechanisms, thereby reducing the positioning accuracy. In order to solve this technical problem, the embodiment discloses the following technical content, a typhoon-preventing offshore crane steel pipe pile sinking positioning platform, comprising a support frame 1 for supporting, a working platform 2 is fixedly installed at the upper end of the support frame 1, and a suction cylinder 3 is uniformly installed at the lower end of the support frame 1, and the suction cylinder 3 realizes negative pressure adsorption through a pump;

[0044] Further comprising: a guide seat 4 fixedly installed at the upper end of the working platform 2 for guiding the steel pipe pile, and a limiting assembly is penetratingly arranged at the lower part of the guide seat 4 for limiting the steel pipe pile with different diameters;

[0045] An adjusting assembly is installed on the upper surface of the working platform 2 for synchronously driving and adjusting the multiple limiting assemblies;

[0046] The guide seat 4 is in a funnel-shaped structure, and a through hole is formed in the middle position of the working platform 2, and the lower end of the guide seat 4 is communicated with the through hole on the working platform 2.

[0047] The adjusting assembly comprises a hydraulic cylinder 5 fixedly installed on the upper surface of the working platform 2, the working platform 2 is located above the sea surface, and the upper surface of the working platform 2 further rotatably installs an adjusting piece 6, the adjusting piece 6 is in a circular ring structure, and a connecting rod 7 is hinged between the upper surface of the adjusting piece 6 and the output end of the hydraulic cylinder 5.

[0048] The inner wall of the adjusting piece 6 is uniformly provided with inclined blocks 601, the limiting assembly comprises a telescopic rod 8 uniformly penetratingly arranged on the guide seat 4, the telescopic rod 8 penetrates through the guide seat 4 and is connected with the guide seat 4 through a first spring 10, the telescopic rod 8 and the guide seat 4 constitute an elastic telescopic structure, a roller 9 is rotatably connected to one end of the telescopic rod 8 close to the adjusting piece 6, and the roller 9 rolls along the inclined surface of the inclined block 601 in the rotating process of the adjusting piece 6.

[0049] The telescopic rod 8 is rotatably installed with a guide wheel 11 close to one end of the steel pipe pile, and the guide wheel 11 is attached to the outer side of the steel pipe pile to realize the limiting and guiding of the steel pipe pile.

[0050] By adopting the above technical scheme, when the steel pipe pile needs to be operated, the positioning platform is lifted and lowered to the pile sinking position by using the lifting equipment of the crane ship, when the suction cylinder 3 contacts the seabed, the pump is controlled to draw the seawater in the suction cylinder 3, the equipment is adsorbed and supported, then the lifting equipment of the crane ship is controlled to vertically lift and move the steel pipe pile to the upper end of the guide seat 4, as the steel pipe pile is lowered, the guide seat 4 can guide the steel pipe pile, when the steel pipe pile penetrates the working platform 2, the hydraulic cylinder 5 is controlled to drive the adjusting piece 6 to rotate through the connecting rod 7, at this time, the inclined block 601 on the inner side of the adjusting piece 6 will abut against the roller 9, so that the roller 9 rolls along the inclined surface, at this time, the roller 9 will drive the telescopic rod 8 to elastically extend and contract on the guide seat 4, so that the guide wheel 11 on the telescopic rod 8 is attached to the outer wall of the steel pipe pile to realize the positioning of the steel pipe pile, and as the steel pipe pile is lowered, the guide wheel 11 can rotate, thereby reducing the wear of the equipment and the steel pipe pile.

[0051] In the embodiment, the supporting mode of the existing offshore crane ship steel pipe pile sinking positioning platform is single, and the platform is prone to sway in bad sea weather, which affects the pile sinking position accuracy. In order to further solve this technical problem, the embodiment discloses the following technical content, as shown in Figures 7-9 ;

[0052] The rotating seat 12 is rotatably installed on the outer side of the working platform 2, the outer side of the rotating seat 12 is symmetrically fixed with a flow resistance plate 13 and a protective plate 14, and the outer side of the protective plate 14 is elastically installed with a buffer plate 15.

[0053] The auxiliary supporting mechanism is arranged on the protective plate 14 and the buffer plate 15, and is used to realize temporary auxiliary support, so as to improve the use stability of the platform in bad weather.

[0054] The buffer plate 15 and the protective plate 14 are both arranged in arc-shaped structure, and the buffer plate 15 and the protective plate 14 are both uniformly provided with turbulence holes, and the buffer plate 15 and the protective plate 14 are connected with a second spring 16.

[0055] The auxiliary supporting mechanism includes an auxiliary frame 17 which is elastically rotatably installed on both sides of the protective plate 14, and the shaft portion of the auxiliary frame 17 is wound with a traction rope 18, and one end of the traction rope 18 close to the buffer plate 15 is fixedly connected to the buffer plate 15.

[0056] By adopting the technical scheme, when a typhoon or other severe sea weather is encountered during the pile driving process, the flow baffle 13 will drive the rotating seat 12 to rotate under the action of wind and sea wave impact, so that the protective plate 14 and the buffer plate 15 outside the rotating seat 12 are windward, at this time, the turbulence holes opened on the protective plate 14 and the buffer plate 15 can disturb the sea waves, thereby reducing the impact force of the sea waves, at the same time, when the buffer plate 15 is impacted by the sea waves or external objects, it will be elastically displaced under the elastic force of the second spring 16, thereby achieving effective buffering, thereby ensuring the stability of the support frame 1, at the same time, with the elastic movement of the buffer plate 15, the traction rope 18 connected outside the buffer plate 15 will be loosened, so that the auxiliary frame 17 is elastically rotated and turned down, at this time, the auxiliary frame 17 will be rotated and supported obliquely on the seabed, thereby achieving further auxiliary support, thereby effectively improving the anti-shaking effect of the support frame 1 in the typhoon weather, and when the weather returns to normal, the buffer plate 15 will automatically reset, thereby pulling the auxiliary frame 17 to rotate and reset through the traction rope 18, achieving folding, and facilitating subsequent transportation.

[0057] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0058] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A typhoon-resistant offshore crane ship steel pipe pile driving and positioning platform, comprising a support frame (1) for supporting the load, wherein a working platform (2) is fixedly installed on the upper end of the support frame (1), and suction cylinders (3) are evenly installed on the lower end of the support frame (1), and the suction cylinders (3) achieve negative pressure adsorption through a pump. Its features are, Also includes: The guide seat (4) is fixedly installed on the upper end of the working platform (2) to guide the steel pipe pile. The lower part of the guide seat (4) is provided with a limit component to limit the steel pipe piles of different diameters. An adjustment component is installed on the upper surface of the work platform (2) to realize the synchronous driving and adjustment of multiple limit components; Rotary seat (12) is rotatably mounted on the outside of the working platform (2). A flow baffle (13) and a protective plate (14) are symmetrically fixedly mounted on the outside of the rotating seat (12), and a buffer plate (15) is elastically mounted on the outside of the protective plate (14). An auxiliary support mechanism is installed on the protective plate (14) and the buffer plate (15) to provide temporary auxiliary support and improve the stability of the platform in severe weather. The adjustment assembly includes a hydraulic cylinder (5) fixedly installed on the upper surface of the working platform (2), and the working platform (2) is located above the sea surface. An adjustment component (6) is also rotatably installed on the upper surface of the working platform (2). The adjustment component (6) is arranged in a circular structure, and a connecting rod (7) is hinged between the upper surface of the adjustment component (6) and the output end of the hydraulic cylinder (5). The inner wall of the adjusting member (6) is uniformly provided with inclined blocks (601). The limiting component includes a telescopic rod (8) uniformly provided through the guide seat (4). The telescopic rod (8) passes through the guide seat (4) and is connected to the guide seat (4) by a first spring (10). The telescopic rod (8) and the guide seat (4) form an elastic telescopic structure. At the same time, a roller (9) is rotatably connected to one end of the telescopic rod (8) near the adjusting member (6). The roller (9) rolls along the inclined surface of the inclined block (601) during the rotation of the adjusting member (6). The auxiliary support mechanism includes an auxiliary frame (17) that is rotatably mounted on both sides of the protective plate (14), and a traction rope (18) is wound around the shaft of the auxiliary frame (17), and one end of the traction rope (18) near the buffer plate (15) is fixedly connected to the buffer plate (15).

2. The typhoon-resistant steel pipe pile driving and positioning platform for offshore crane vessels according to claim 1, characterized in that: The guide seat (4) is arranged in a funnel shape, and a through hole is provided in the middle of the working platform (2), and the lower end of the guide seat (4) is connected to the through hole on the working platform (2).

3. The typhoon-resistant steel pipe pile driving and positioning platform for offshore crane vessels according to claim 1, characterized in that: The telescopic rod (8) is rotatably mounted with a guide wheel (11) at one end near the steel pipe pile, and the guide wheel (11) fits against the outer side of the steel pipe pile to limit and guide the steel pipe pile.

4. The typhoon-resistant steel pipe pile driving and positioning platform for offshore crane vessels according to claim 1, characterized in that: The flow deflector (13) drives the rotating seat (12) to rotate under the action of wind and waves, and the protective plate (14) is set in an arc shape.

5. A typhoon-resistant offshore crane vessel steel pipe pile driving and positioning platform according to claim 1, characterized in that: Both the buffer plate (15) and the protective plate (14) are arc-shaped structures, and the buffer plate (15) and the protective plate (14) are evenly provided with turbulence holes, and a second spring (16) is connected between the buffer plate (15) and the protective plate (14).

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