A docking device for a floating platform

Abstract

This invention belongs to the field of floating platform connection structures, specifically relating to a docking device for a floating platform. The platform module has two coaxially arranged crossbars, and two linkage mechanisms are arranged between the two crossbars. Each linkage mechanism includes two connecting rods, one end of which is rotatably connected to one end of a longitudinal rod, and the other end of which is rotatably connected to the two crossbars respectively. The two crossbars are connected by a first elastic element, and the longitudinal rods on the two linkage mechanisms are connected by a second elastic element. This invention, through the elastic action of the first and second elastic elements, buffers the floating of the platform module, reducing the rigid compression and shearing forces on the connectors caused by the mutual movement between the platform modules. This results in a flexible connection structure between the platform modules. Compared with existing technologies, this reduces mechanical wear on the connectors, lowers the risk of mechanical damage to the connectors, and makes the docking structure of the entire floating platform more stable.

Description

Technical Field

[0001] This invention belongs to the field of floating platform connection structures, and specifically relates to a docking device for a floating platform. Background Technology

[0002] A floating offshore platform is a large floating body; some are relocatable, while others are not. Relocatable floating platforms, also known as mobile platforms, were developed to meet the needs of offshore operations such as exploration, construction, and maintenance, which require frequent relocation.

[0003] In existing technologies, floating offshore platforms are often constructed from multiple platform modules arranged in a rectangular array, or a "grid" shape. Adjacent platform modules are connected by connectors, which are typically articulated, universal, or ball joints. The purpose is to create a rotatable structure between the platform modules to cope with the movement of waves. However, as the platform modules move with the waves, the connectors are subjected to relatively rigid impact, shear, and tensile forces, which makes them prone to mechanical wear or damage, thus compromising the structural stability of the entire floating platform. Summary of the Invention

[0004] The purpose of this invention is to provide a docking device for a floating platform to solve the problems in the prior art. The technical solution adopted by this invention is as follows:

[0005] A docking device for a floating platform includes two coaxially arranged crossbars within the platform module. Two linkage mechanisms are connected between the two crossbars. Each linkage mechanism includes two connecting rods, one end of which is rotatably connected to one end of a vertical rod, and the other end of each connecting rod is rotatably connected to the two crossbars. The two connecting rods are inclined and symmetrically arranged, and the two linkage mechanisms are symmetrically distributed on both sides of the crossbars. The vertical rods on the two linkage mechanisms are coaxially arranged and perpendicular to the crossbars. The two crossbars are connected by a first elastic element, and the vertical rods on the two linkage mechanisms are connected by a second elastic element.

[0006] The vertical and horizontal bars can slidably extend from the end away from the connecting rod to form a platform module. The horizontal bars on multiple platform modules are connected end-to-end in sequence through connectors, and the vertical bars on multiple platform modules are connected end-to-end in sequence through connectors, forming a rectangular array distribution.

[0007] Furthermore, the first elastic element is a transverse spring sleeved on the transverse connecting rod. One end of the transverse connecting rod is fixedly connected to the end of one of the crossbars, and the other end of the transverse connecting rod is slidably inserted into the other crossbar. The two ends of the transverse spring are respectively fixedly connected to the opposite ends of the two crossbars.

[0008] Furthermore, the linkage mechanism also includes a slider, the ends of the two linkages away from the crossbar are rotatably connected to the slider, the slider is fixedly connected to the end of the vertical rod, damping components are provided on both sides of the slider, and the sliders on the two linkage mechanisms are respectively connected to the two ends of the second elastic element.

[0009] Furthermore, the second elastic element is a longitudinal spring sleeved on the longitudinal connecting rod. One end of the longitudinal connecting rod is fixedly connected to one of the sliders, and the other end passes through the other slider and is slidably inserted into the longitudinal rod. The two ends of the longitudinal spring are respectively fixedly connected to the sliders on the two linkage mechanisms.

[0010] Furthermore, the damping assembly includes a stop bar parallel to the longitudinal rod, and the slider is located between the stop bars on the two damping assemblies, with the side of the slider abutting against the stop bar.

[0011] Furthermore, the damping assembly also includes an adjustment mechanism located on the side of the stop lever away from the slider, for pushing the stop lever to press the slider.

[0012] Furthermore, the stop bar is provided with a strip-shaped hole, which is radially distributed along the stop bar. A limit block is provided in the strip-shaped hole, which is fixedly installed. There is a gap between the end of the strip-shaped hole away from the slider and the limit block.

[0013] Furthermore, the adjustment mechanism includes a screw rotatably connected to the platform module, the screw being parallel to the stop bar, a threaded sleeve being threadedly connected to the screw, and the threaded sleeve being connected to the stop bar via a wedge block, so that when the screw rotates, it pushes the wedge block to move radially on the stop bar.

[0014] Furthermore, the adjustment mechanism also includes a wedge-shaped portion fixedly connected to the side of the stop lever away from the slider, the wedge-shaped portion cooperating with the inclined surface of the wedge block, and multiple wedge-shaped portions corresponding to the wedge blocks are provided.

[0015] Furthermore, an inclined groove is provided on the inclined surface of the wedge-shaped portion, and a plurality of rollers are provided in the inclined groove, with the plurality of rollers abutting against the inclined surface of the wedge-shaped block.

[0016] The present invention has the following beneficial effects: through the elastic action of the first elastic element and the second elastic element, a buffer effect is generated on the floating of the platform module, which weakens the rigid compression and shearing force on the connector generated by the mutual movement between the platform modules, so that the platform modules have a flexible connection structure. Compared with the prior art, it can reduce the mechanical wear of the connector, reduce the risk of mechanical damage to the connector, and make the docking structure of the entire floating platform more stable. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram showing the connection relationship of the damping components;

[0019] Figure 3 This is a schematic diagram of the connection relationship of the levers;

[0020] Figure 4 This is a diagram illustrating the connection relationships between multiple platform modules. Detailed Implementation

[0021] The following will be based on embodiments of the present invention. Figures 1-4 The technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Unless otherwise specified, the technical means used in the embodiments are conventional means well known to those skilled in the art.

[0022] It should be noted that, in Figure 1 , Figure 2 , Figure 4 The top view is shown in the middle. The horizontal direction refers to the left and right directions in the figure, while the vertical direction refers to the up and down directions in the figure. Both the horizontal and vertical directions are on the horizontal plane.

[0023] like Figure 1 , Figure 4 A docking device for a floating platform includes two coaxially arranged crossbars 3 within a platform module 1. Two linkage mechanisms are arranged between the two crossbars 3, each linkage mechanism comprising two connecting rods 6. One end of each connecting rod 6 is rotatably connected to one end of a vertical rod 5, and the other end of each connecting rod 6 is rotatably connected to the two crossbars 3. The two connecting rods 6 are inclined and symmetrically arranged in a "V" shape. The two linkage mechanisms are symmetrically distributed on both sides of the crossbars 3. The vertical rods 5 on the two linkage mechanisms are coaxially arranged and perpendicular to the crossbars 3. The two crossbars 3 are connected by a first elastic element 8, and the vertical rods 5 on the two linkage mechanisms are connected by a second elastic element 9.

[0024] The vertical rod 5 and the horizontal rod 3 can both extend slidably from the end away from the connecting rod 6 to form a platform module 1. The horizontal rods 3 on multiple platform modules 1 are connected end to end in sequence by connectors 2, and the vertical rods 5 on multiple platform modules 1 are connected end to end in sequence by connectors 2, forming a rectangular array distribution to form a floating platform.

[0025] Platform module 1 is existing technology. It has a cuboid structure and an internal cavity. A cover plate can be connected to its top with screws to cover the cavity, thereby facilitating the installation of various components into the platform module 1. Multiple platform modules 1 are arranged in a rectangular array, i.e., a "well" shape. The connector 2 is existing technology and can be a universal connector, a hinged connector, a ball connector, etc. Horizontally, the crossbars 3 on multiple platform modules 1 are coaxially arranged. The opposite ends of the two crossbars 3 that are close to each other between two adjacent platform modules 1 are connected by a separate connector 2. Vertically, the longitudinal bars 5 on multiple platform modules 1 are coaxially arranged. The opposite ends of the two longitudinal bars 5 that are close to each other between two adjacent platform modules 1 are connected by a separate connector 2.

[0026] In addition, the four inner walls of the platform module 1 are fixedly connected to the limiting cylinder 16. The two horizontal bars 3 and the two vertical bars 5 pass through the wall of the platform module 1 from the limiting cylinder 16 and extend out of the platform module 1. The limiting cylinder 16 plays the role of limiting and supporting the horizontal bars 3 and vertical bars 5, so as to stabilize its structure.

[0027] Figure 1 In the process, the first elastic element 8 and the second elastic element 9 are in their natural state. When waves pass under the platform module 1, depending on the direction of the waves, a row of platform modules 1 in the longitudinal direction forms a whole that moves laterally, while a row of platform modules 1 in the transverse direction forms a whole that moves longitudinally. The crossbar 3 or the longitudinal bar 5 slides accordingly, thereby causing the two connecting rods 6 on the linkage mechanism to unfold or retract. The first elastic element 8 and the second elastic element 9 are compressed or extended. When the first elastic element 8 is compressed, the second elastic element 9 is extended. Thus, through the elastic action of the first elastic element 8 and the second elastic element 9, a buffer effect is generated on the floating of the platform module 1, weakening the rigid compression and shearing forces on the connector 2 generated by the mutual movement between the platform modules 1. This makes the structure between the platform modules 1 flexible. Compared with the prior art, this can reduce the mechanical wear of the connector 2, reduce the risk of the connector 2 being mechanically damaged, and make the docking structure of the entire floating platform more stable.

[0028] Furthermore, the first elastic element 8 is a transverse spring sleeved on the transverse connecting rod 301. One end of the transverse connecting rod 301 is fixedly connected to the end of one of the crossbars 3, and the other end of the transverse connecting rod 301 is slidably inserted into another crossbar 3. The two ends of the transverse spring are respectively fixedly connected to the opposite ends of the two crossbars 3.

[0029] Specifically, the two crossbars 3 are spaced apart at opposite ends, and the first elastic element 8 is located within this gap. One end of one of the crossbars 3 is provided with a first sliding cavity, and the transverse connecting rod 301 is in clearance fit with the first sliding cavity, so that the transverse connecting rod 301 can be slidably inserted into the first sliding cavity.

[0030] Furthermore, the linkage mechanism also includes a slider 7, the ends of the two linkages 6 away from the crossbar 3 are rotatably connected to the slider 7, the slider 7 is fixedly connected to the end of the vertical rod 5, and damping components are provided on both sides of the slider 7. The sliders 7 on the two linkage mechanisms are respectively connected to the two ends of the second elastic member 9.

[0031] Specifically, the connecting rod 6 and the crossbar 3 are located on a horizontal plane and above the slider 7 and the vertical rod 5. The first elastic element 8 is located above the second elastic element 9. The top of the slider 7 is fixedly connected to a fixed shaft. The fixed shaft is rotatably connected to the two connecting rods 6 on the connecting rod mechanism away from the end of the crossbar 3. The purpose of the damping assembly is to provide damping and reduce the oscillations generated by the lateral and longitudinal springs.

[0032] When the two horizontal bars 3 move relative to each other, the two connecting rods 6 on the linkage mechanism rotate, thereby pushing the slider 7 to drive the vertical bar 5 to move, and the horizontal and vertical springs are compressed and extended accordingly.

[0033] Furthermore, the second elastic element 9 is a longitudinal spring sleeved on the longitudinal connecting rod 141. One end of the longitudinal connecting rod 141 is fixedly connected to one of the sliders 7, and the other end passes through the other slider 7 and is slidably inserted into the longitudinal rod 5. The two ends of the longitudinal spring are respectively fixedly connected to the sliders 7 on the two linkage mechanisms.

[0034] Specifically, the two horizontal bars 3 are spaced apart at opposite ends and are respectively fixedly connected to the sliders 7. The second elastic element 9 is located within this interval. One end of one of the vertical bars 5 is provided with a second sliding cavity. The second sliding cavity is in clearance fit with the longitudinal connecting rod 141, and the longitudinal connecting rod 141 can be slidably inserted into the second sliding cavity.

[0035] like Figure 2 , Figure 3 The specific structure of the damping component is described below:

[0036] Furthermore, the damping assembly includes a stop bar 10 parallel to the longitudinal rod 5, and the slider 7 is located between the stop bars 10 on the two damping assemblies, with the side of the slider 7 abutting against the stop bar 10.

[0037] Specifically, friction textures can be provided on the side of the stop lever 10 facing the slider 7. The stop levers 10 on the two damping components press the sliders 7 on the two linkage mechanisms together, thereby generating damping through friction.

[0038] Furthermore, the damping assembly also includes an adjustment mechanism located on the side of the stop lever 10 away from the slider 7, for pushing the stop lever 10 to squeeze the slider 7.

[0039] Furthermore, the stop bar 10 is provided with a strip-shaped hole, which is radially distributed along the stop bar 10. A limit block 101 is provided in the strip-shaped hole, which is fixedly installed. There is a gap between the end of the strip-shaped hole away from the slider 7 and the limit block 101.

[0040] Specifically, the bottom of the limiting block 101 is fixedly connected to the bottom inner wall of the platform module 1. It has a strip structure and constrains the stop bar 10 in the longitudinal direction. In the transverse direction, the stop bar 10 can slide slightly through the strip hole and push the stop bar 10 to squeeze the slider 7 through the adjustment mechanism.

[0041] Due to mechanical wear between slider 7 and stop lever 10 during long-term use, the damping between stop lever 10 and slider 7 becomes smaller, thus failing to effectively reduce the oscillation of the spring. Therefore, the stop lever 10 can be further pushed through the adjustment mechanism to restore the compressive force between it and slider 7.

[0042] In addition, multiple limit blocks 101 and strip holes can be set in the vertical direction.

[0043] Furthermore, the adjustment mechanism includes a screw 13 rotatably connected to the platform module 1. The screw 13 is parallel to the stop bar 10. A threaded sleeve 12 is threadedly connected to the screw 13. The threaded sleeve 12 is connected to the stop bar 10 through a wedge block 11, so that when the screw 13 rotates, it pushes the wedge block 11 to move radially on the stop bar 10.

[0044] Specifically, rotating the screw 13 causes the threaded sleeve 12 to slide, thereby pushing the stop lever 10 radially from the stop lever 10 through the longitudinal movement of the wedge block 11, that is, pushing the stop lever 10 laterally, so that the stop lever 10 squeezes the slider 7.

[0045] Furthermore, the adjustment mechanism also includes a wedge-shaped portion 4 fixedly connected to the side of the stop lever 10 away from the slider 7. The wedge-shaped portion 4 cooperates with the inclined surface of the wedge block 11, and multiple wedge-shaped portions 4 are provided corresponding to the wedge blocks 11.

[0046] Specifically, the wedge-shaped part 4 and the wedge-shaped block 11 are both inclined surfaces with corresponding inclination angles, which can fit together. When the wedge-shaped block 11 moves axially with the threaded sleeve 12 in the screw 13, that is, during longitudinal movement, the wedge-shaped block 11 pushes the wedge-shaped part 4 to move laterally.

[0047] Furthermore, a slope groove is provided on the inclined surface of the wedge-shaped part 4, and a plurality of rollers 14 are provided in the slope groove, with the plurality of rollers 14 abutting against the slope of the wedge-shaped block 11.

[0048] Specifically, the inclined groove has an open groove structure, and the wedge block 11 can move along its inclined surface in the inclined groove. The function of the roller 14 is to reduce friction and facilitate the wedge block 11 to push the wedge part 4. The inclined groove can also limit the wedge block 11, prevent the wedge block 11 from rotating with the screw 13, and constrain the threaded sleeve 12 so that the threaded sleeve 12 can move longitudinally when the screw 13 rotates.

[0049] In addition, the stop bar 10 can be an I-beam or H-beam structure, with one side flange plate attached to the slider 7, and the other side flange plate fixedly connected to the wedge-shaped part 4. Its web plate is horizontally set, and the strip hole is located on its web plate.

[0050] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Any modifications, alterations, substitutions, or variations made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims

1. A docking device for a floating platform, characterized in that: The platform module (1) is provided with two coaxially arranged crossbars (3), and two linkage mechanisms are provided between the two crossbars (3). The linkage mechanism includes two connecting rods (6). One end of the two connecting rods (6) is rotatably connected to one end of the vertical rod (5), and the other end of the two connecting rods (6) is rotatably connected to the two crossbars (3). The two connecting rods (6) are inclined and symmetrically arranged. The two linkage mechanisms are symmetrically distributed on both sides of the crossbars (3). The vertical rods (5) on the two linkage mechanisms are coaxially arranged and perpendicular to the crossbars (3). The two crossbars (3) are connected by a first elastic element (8), and the vertical rods (5) on the two linkage mechanisms are connected by a second elastic element (9). The vertical rod (5) and the horizontal rod (3) can both extend slidably from the end away from the connecting rod (6) to form a platform module (1). The horizontal rods (3) on multiple platform modules (1) are connected end to end in sequence through the connector (2), and the vertical rods (5) on multiple platform modules (1) are connected end to end in sequence through the connector (2), forming a rectangular array distribution. The linkage mechanism also includes a slider (7), and the slider (7) is rotatably connected to one end of the two links (6) away from the crossbar (3). The slider (7) is fixedly connected to the end of the vertical bar (5). Damping components are provided on both sides of the slider (7). The sliders (7) on the two linkage mechanisms are respectively connected to the two ends of the second elastic element (9). The damping assembly includes a stop bar (10) parallel to the longitudinal bar (5), and the slider (7) is located between the stop bars (10) on the two damping assemblies. The side of the slider (7) abuts against the stop bar (10). The damping assembly also includes an adjustment mechanism located on the side of the stop bar (10) away from the slider (7) for pushing the stop bar (10) to squeeze the slider (7). The stop bar (10) is provided with a strip hole, the strip hole is radially distributed along the stop bar (10), a limit block (101) is provided in the strip hole, the limit block (101) is fixedly installed, and there is a gap between the end of the strip hole away from the slider (7) and the limit block (101). The adjustment mechanism includes a screw (13) rotatably connected to the platform module (1), the screw (13) being parallel to the stop bar (10), a threaded sleeve (12) being threadedly connected to the screw (13), and the threaded sleeve (12) being connected to the stop bar (10) via a wedge block (11) for use when the screw (13) rotates, pushing the wedge block (11) to move radially on the stop bar (10); The adjustment mechanism also includes a wedge-shaped part (4) fixedly connected to the side of the stop bar (10) away from the slider (7). The wedge-shaped part (4) cooperates with the inclined surface of the wedge block (11). Multiple wedge-shaped parts (4) are provided corresponding to the wedge blocks (11). An inclined groove is provided on the inclined surface of the wedge-shaped part (4), and a plurality of rollers (14) are provided in the inclined groove, and the plurality of rollers (14) abut against the inclined surface of the wedge-shaped block (11).

2. The docking device for a floating platform according to claim 1, characterized in that: The first elastic element (8) is a transverse spring sleeved on the transverse connecting rod (301). One end of the transverse connecting rod (301) is fixedly connected to the end of one of the cross rods (3), and the other end of the transverse connecting rod (301) is slidably inserted into another cross rod (3). The two ends of the transverse spring are respectively fixedly connected to the opposite ends of the two cross rods (3).

3. The docking device for a floating platform according to claim 1, characterized in that: The second elastic element (9) is a longitudinal spring sleeved on the longitudinal connecting rod (141). One end of the longitudinal connecting rod (141) is fixedly connected to one of the sliders (7), and the other end passes through the other slider (7) and is slidably inserted into the longitudinal rod (5). The two ends of the longitudinal spring are respectively fixedly connected to the sliders (7) on the two linkage mechanisms.

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