Hanging beam platform for coordinating vibration sinking construction of offshore steel cylinder

Abstract

The invention belongs to the technical field of hanging beams, and discloses an offshore steel cylinder vibration sinking construction coordinated hanging beam platform which comprises an annular box beam, the annular box beam is of a regular dodecagonal beam-shaped structure, a transition block is arranged in the center of the inner side of the annular box beam, and an annular embedding groove is formed in the outer side wall of the middle of the transition block; through the arrangement of the annular box girder, the transition block, the annular embedding groove, the main steel beam, the secondary steel beam, the first pedestal, the first fixing ring, the second pedestal and the second fixing ring, under the combined action of a conversion support, a lower hanging ring, an upper hanging ring, a connecting block, a supporting seat, a hanging rope and a hoisting pulley, the hoisting rope can be hoisted; the vibration sinking construction stability of the offshore steel cylinder can be improved through multi-point hoisting, meanwhile, the problem of uneven stress existing in the prior art is solved, and the safety coefficient of constructors in the working process can be effectively guaranteed under the condition that a hoisting upper opening of the steel cylinder is prevented from deforming.

Description

Technical Field

[0001] The present application relates to the technical field of hanging beams, and more specifically, to a hanging beam platform for coordinated offshore steel cylinder vibration sinking construction. Background Art

[0002] After the super-large diameter steel cylinder is processed and manufactured, it is transported to the destination by a transport ship and then placed at sea. It serves as the basis of the offshore cofferdam during the construction of the offshore platform. The super-large diameter steel cylinder has a diameter of about 30 meters and a height of about 35 meters. After the cylinder is completed, it needs to be transferred to a transport ship and then installed at sea. Since it is inserted into the seabed using a special "vibration sinking" process, the structural strength of the cylinder wall reinforced support should not be too strong, otherwise it will affect the smooth progress of the "vibration sinking" process.

[0003] At present, the beam platform used for coordinating the construction of offshore steel cylinder vibrating sinking usually adopts a four-point lifting method, which not only causes uneven force, but also easily causes deformation of the upper diameter direction of the steel cylinder lifting. In addition, the hooking and unhooking require multiple up and down operations, resulting in the safety of the construction workers not being guaranteed.

[0004] In order to solve the above problems, the present application provides a hanging beam platform for coordinated offshore steel cylinder vibration sinking construction. Summary of the invention

[0005] The application provides a hanging beam platform for coordinated offshore steel cylinder vibration sinking construction, which adopts the following technical solutions: A suspended beam platform for coordinated offshore steel cylinder vibrating and sinking construction comprises an annular box beam, the annular box beam is a regular dodecagonal beam structure, and a transition block is provided at the center of the inner side of the annular box beam, an annular embedding groove is provided on the outer wall in the middle of the transition block, and the inner side walls of the annular embedding groove are respectively fixedly connected with a main steel beam and a secondary steel beam, the main steel beam and the secondary steel beam are circumferentially and spaced apart, and the ends of the main steel beam and the secondary steel beam facing away from the transition block are fixedly connected to a corner of one side of the inner wall of the annular box beam, the top of the annular box beam corner is fixedly connected to a first cushion, and the top of the first cushion is fixedly installed with a first fixing ring, and the annular box beam corner A second cushion is fixedly connected to the bottom, and a second fixing ring is fixedly installed on the bottom of the second cushion. A conversion bracket is provided above the middle of the annular box girder, lower lifting rings are distributed below both sides of the conversion bracket, and upper lifting rings are distributed above both sides of the conversion bracket, the outer wall of each of the lower lifting rings and the upper lifting ring is fixedly connected to a connecting block, and each connecting block is fixedly installed on the outer surface of the side end of the conversion bracket, and a supporting seat is provided above the upper lifting rings on both sides, the top positions of the two supporting seats are rotatably installed with lifting pulleys, and the bottoms of the two supporting seats are fixedly installed with lifting ropes, and the bottom ends of the two lifting ropes are respectively hoisted at the top positions of the two upper lifting rings.

[0006] Through the above technical solution, the support seat realizes the rotational bearing function of the lifting pulley.

[0007] Furthermore, twelve of the first pads, first fixing rings, second pads and second fixing rings are provided, and the twelve first pads, first fixing rings, second pads and second fixing rings are evenly distributed at the corners of the side ends of the annular box beam in a circular manner.

[0008] Furthermore, the bottom end of the lower lifting ring on each side is divergently connected to six oblique lifting wire ropes, and the bottom ends of the six oblique lifting wire ropes on each side are respectively connected to the top ends of the six first fixing rings adjacent to one side.

[0009] Through the above technical solution, the design of a total of twelve inclined lifting wire ropes on both sides can ensure the lifting stability of the circular box girder and prevent the problem of uneven lifting force.

[0010] Furthermore, the main steel beam is a rectangular long strip beam structure, and the vertical cross-section on one side of the main steel beam is designed in an "I" shape.

[0011] Through the above technical solution, the main steel beam's "I"-shaped design can improve its own rigidity.

[0012] Furthermore, the secondary steel beam includes an upper beam and a lower beam distributed vertically, a spacing is left between the opposite end faces of the upper beam and the lower beam, and a reinforcement arm is fixedly installed at the connection between the opposite end faces of the upper beam and the lower beam.

[0013] Furthermore, a plurality of the reinforcement arms are provided, and the plurality of the reinforcement arms are linearly and evenly distributed at the connection between the upper beam and the lower beam, and each reinforcement arm is designed in a "V"-shaped structure.

[0014] Through the above technical solution, the design of the upper beam, the lower beam and multiple reinforcement arms in the secondary steel beam can effectively ensure the connection support stability of the secondary steel beam itself.

[0015] Furthermore, four main steel beams are provided, and the four main steel beams are distributed in a "cross" shape at the connection between the annular box beam and the transition block. Eight secondary steel beams are provided, and the eight secondary steel beams and the four main steel beams are evenly distributed in a circle, and every two secondary steel beams are distributed between two adjacent main steel beams.

[0016] Furthermore, the conversion bracket includes a first arm and a second arm that are distributed in a transversely spaced manner, and a cavity groove is embedded in the center of one end of the first arm facing the second arm, and an extension arm is extended and slidably sleeved on the inner wall of the cavity groove, and the extension arm is fixedly installed at the center position of one end of the second arm facing the first arm.

[0017] Furthermore, the conversion bracket also includes a plurality of positioning holes vertically penetrating through the inner cavity of the extension arm, the plurality of positioning holes are linearly and evenly distributed on the extension arm, and a fixing bolt is threadedly connected through the inner wall of one of the positioning holes, and the fixing bolt is installed at one end of the first arm close to the second arm.

[0018] Through the above technical solution, the conversion bracket realizes the conversion effect of the angle and orientation of the annular box girder under the hoisting state of the external crane equipment.

[0019] In summary, this application includes the following beneficial technical effects: In the present application, the annular box beam, transition block, annular embedded groove, main steel beam, secondary steel beam, first cushion seat, first fixing ring, second cushion seat, and second fixing ring are provided, so that under the joint action of the conversion bracket, lower lifting ring, upper lifting ring, connecting block, supporting seat, lifting rope, and lifting pulley, multi-point lifting can be adopted to improve the stability of the offshore steel cylinder vibration sinking construction, overcome the existing problem of uneven force, and prevent the deformation of the steel cylinder lifting mouth, and can also effectively ensure the safety factor of the construction personnel in the working process; In the present application, the conversion bracket is set up, so that the first support arm, the second support arm, the cavity groove, the extension arm, the positioning hole, and the fixing bolt member arranged inside it can be used to adjust the effective length of the conversion bracket itself, and at the same time, the adjustment effect of the lifting angle and position of each inclined wire rope between the annular box girder can be achieved, thereby further improving the stability of the offshore steel cylinder vibration sinking construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 It is a schematic diagram of the local structure of this application; Figure 3 This is a three-dimensional diagram of the main steel beam of this application; Figure 4 A three-dimensional diagram of the secondary steel beam of this application; Figure 5 For this application Figure 1 Enlarged view of point A in the middle.

[0021] Description of the numbers in the figure: 1. Annular box girder; 2. Transition block; 3. Annular embedded groove; 4. Main steel beam; 5. Secondary steel beam; 51. Upper beam; 52. Lower beam; 53. Reinforcement arm; 6. First cushion; 7. First fixing ring; 8. Second cushion; 9. Second fixing ring; 10. Conversion bracket; 101. First support arm; 102. Second support arm; 103. Cavity groove; 104. Extension arm; 105. Positioning hole; 106. Fixing bolt; 11. Lower lifting ring; 12. Upper lifting ring; 13. Connecting block; 14. Support seat; 15. Lifting rope; 16. Lifting pulley; 17. Oblique lifting wire rope. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with 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, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

[0023] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. Example

[0025] The present application discloses a crane beam platform for coordinated offshore steel cylinder vibrating and sinking construction. Figure 1 , Figure 2 , Figure 3 and Figure 4, including an annular box beam 1, the annular box beam 1 is a regular dodecagonal beam structure, and a transition block 2 is provided at the center position of the inner side of the annular box beam 1, an annular embedding groove 3 is provided on the outer wall in the middle of the transition block 2, and the inner side walls of the annular embedding groove 3 are respectively fixedly connected with a main steel beam 4 and a secondary steel beam 5, the main steel beam 4 and the secondary steel beam 5 are circumferentially and spaced apart, and the ends of the main steel beam 4 and the secondary steel beam 5 facing away from the transition block 2 are fixedly connected to a corner of one side of the inner wall of the annular box beam 1, a first cushion seat 6 is fixedly connected to the top of the corner of the annular box beam 1, and a first fixing ring 7 is fixedly installed on the top of the first cushion seat 6, and a second cushion seat 8 is fixedly connected to the bottom of the corner of the annular box beam 1, and the second cushion seat 8 A second fixing ring 9 is fixedly installed at the bottom, and a conversion bracket 10 is arranged above the middle part of the annular box girder 1. Lower lifting rings 11 are distributed below both sides of the conversion bracket 10, and upper lifting rings 12 are distributed above both sides of the conversion bracket 10. The outer wall of each lower lifting ring 11 and upper lifting ring 12 is fixedly connected with a connecting block 13, and each connecting block 13 is fixedly installed on the outer surface of the side end of the conversion bracket 10. Support seats 14 are arranged above the upper lifting rings 12 on both sides, and lifting pulleys 16 are rotatably installed at the top positions of the two supporting seats 14, and lifting ropes 15 are fixedly installed at the bottoms of the two supporting seats 14, and the bottom ends of the two lifting ropes 15 are respectively hoisted at the top positions of the two upper lifting rings 12.

[0026] There are twelve first cushions 6, first fixing rings 7, second cushions 8 and second fixing rings 9, and the twelve first cushions 6, first fixing rings 7, second cushions 8 and second fixing rings 9 are evenly distributed in a circle at the corners of the side ends of the annular box girder 1, and the bottom end of the lower lifting ring 11 on each side is divergently connected with six oblique lifting wire ropes 17, and the bottom ends of the six oblique lifting wire ropes 17 on each side are respectively connected to the top ends of the six first fixing rings 7 adjacent to one side.

[0027] The main steel beam 4 is a rectangular long strip beam structure, and the vertical cross-section on one side of the main steel beam 4 is an "I" shaped structure design. The secondary steel beam 5 includes an upper beam 51 and a lower beam 52 distributed vertically. There is a spacing between the opposite end faces of the upper beam 51 and the lower beam 52, and a reinforcement arm 53 is fixedly installed at the connection between the opposite end faces of the upper beam 51 and the lower beam 52. There are multiple reinforcement arms 53, and the multiple reinforcement arms 53 are linearly uniformly distributed at the connection between the upper beam 51 and the lower beam 52, and each reinforcement arm 53 is designed in a "V" shape. There are four main steel beams 4, and the four main steel beams 4 are distributed in a "cross" shape at the connection between the annular box beam 1 and the transition block 2. There are eight secondary steel beams 5, and the eight secondary steel beams 5 and the four main steel beams 4 are evenly distributed in a circle, and every two secondary steel beams 5 are distributed between two adjacent main steel beams 4.

[0028] See also Figure 1 and Figure 5The conversion bracket 10 includes a first arm 101 and a second arm 102 which are arranged in a transversely spaced manner. A cavity groove 103 is embedded in the center of one end of the first arm 101 facing the second arm 102. An extension arm 104 is slidably sleeved on the inner wall of the cavity groove 103. The extension arm 104 is fixedly installed at the center position of one end of the second arm 102 facing the first arm 101. The conversion bracket 10 also includes a plurality of positioning holes 105 which are vertically penetrated and opened at the inner cavity position of the extension arm 104. The plurality of positioning holes 105 are linearly and evenly distributed on the extension arm 104, and the inner wall of one of the positioning holes 105 is penetrated. A fixing bolt 106 is threadedly connected and installed at one end of the first arm 101 close to the second arm 102. The fixing bolt 106 is made of high-strength metal material and is a combined fixing structure of bolts, nuts and washers. The nut structure in the fixing bolt 106 is a double nut design, in which a self-locking nut is used for the outer thread to improve the anti-slip effect of the fixing bolt 106. A fixing agent is coated on the surface of the overall device, and the fixing agent is methyl methacrylate, which is used to fill the gaps in the overall device to produce a curing effect and improve the stability of the overall lifting structure.

[0029] The implementation principle of the embodiment of the present application is as follows: when in use, the whole is in a complete assembly state, and the whole is lifted and moved by the lifting wire rope of the external crane equipment through two lifting pulleys 16. The six oblique lifting wire ropes 17 divergently connected on the lower lifting ring 11 on each side are connected to each first fixing ring 7, thereby realizing the overall stable lifting action of the annular box girder 1, and cooperating with the twelve second pads 8 and the second fixing ring 9 evenly distributed on the bottom of the annular box girder 1, so as to realize the stability of the vibration and sinking construction of the offshore steel cylinder, and when necessary, the fixing bolts 106 can be adjusted to cooperate with the positioning holes 105 in different positions to realize the adjustment of the spacing position between the first arm 101 and the second arm 102, thereby indirectly changing the lifting position and angle of each oblique lifting wire rope 17, and improving the lifting stability of the annular box girder 1.

[0030] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction, comprising an annular box beam (1), Features: The annular box girder (1) is in the form of a regular dodecagonal beam structure, and a transition block (2) is provided at the center of the inner side of the annular box girder (1). An annular embedding groove (3) is provided on the outer side wall of the middle part of the transition block (2). The inner side walls of the annular embedding groove (3) are respectively fixedly connected with a main steel beam (4) and a secondary steel beam (5). The main steel beam (4) and the secondary steel beam (5) are arranged in a circumferential and spaced manner, and one end of the main steel beam (4) and the secondary steel beam (5) facing away from the transition block (2) are both fixedly connected to a corner of one side of the inner wall of the annular box girder (1). The top of the annular box girder (1) at the corner is fixedly connected with a first cushion seat (6), and the top of the first cushion seat (6) is fixedly installed with a first fixing ring (7). The bottom of the annular box girder (1) at the corner is fixedly connected with a second cushion seat (8), and the bottom of the second cushion seat (8) is fixedly connected with a second fixing ring (7). A second fixing ring (9) is fixedly installed, a conversion bracket (10) is provided above the middle part of the annular box girder (1), lower lifting rings (11) are distributed below both sides of the conversion bracket (10), and upper lifting rings (12) are distributed above both sides of the conversion bracket (10), the outer wall of each lower lifting ring (11) and upper lifting ring (12) is fixedly connected with a connecting block (13), and each connecting block (13) is fixedly installed on the outer surface of the side end of the conversion bracket (10), and a supporting seat (14) is provided above the upper lifting ring (12) on both sides, and the top positions of the two supporting seats (14) are rotatably installed with a lifting pulley (16), and the bottoms of the two supporting seats (14) are fixedly installed with a lifting rope (15), and the bottom ends of the two lifting ropes (15) are respectively hoisted at the top positions of the two upper lifting rings (12).

2. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 1, Features: Twelve of the first cushion seats (6), first fixing rings (7), second cushion seats (8), and second fixing rings (9) are provided, and the twelve first cushion seats (6), first fixing rings (7), second cushion seats (8), and second fixing rings (9) are evenly distributed in a circular pattern at the corners of the side ends of the annular box beam (1).

3. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 2, Features: The bottom end of the lower lifting ring (11) on each side is divergently connected to six oblique lifting wire ropes (17), and the bottom ends of the six oblique lifting wire ropes (17) on each side are respectively connected to the top ends of the six first fixing rings (7) on one side.

4. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 1, Features: The main steel beam (4) is in the form of a rectangular long strip beam structure, and a vertical cross section on one side of the main steel beam (4) is in the form of an “I”-shaped structure.

5. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 1, Features: The secondary steel beam (5) comprises an upper beam bar (51) and a lower beam bar (52) which are vertically distributed, a distance being left between opposite end surfaces of the upper beam bar (51) and the lower beam bar (52), and a reinforcing arm (53) being fixedly mounted at the connection between the opposite end surfaces of the upper beam bar (51) and the lower beam bar (52).

6. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 5, Features: A plurality of the reinforcement arms (53) are provided, and the plurality of reinforcement arms (53) are linearly and evenly distributed at the connection between the upper beam (51) and the lower beam (52), and each reinforcement arm (53) is designed in a "V"-shaped structure.

7. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 1, Features: Four main steel beams (4) are provided, and the four main steel beams (4) are distributed in a "cross" shape at the connection between the annular box beam (1) and the transition block (2); eight secondary steel beams (5) are provided, and the eight secondary steel beams (5) and the four main steel beams (4) are evenly distributed around the circumference, and every two secondary steel beams (5) are distributed between two adjacent main steel beams (4).

8. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 1, Features: The conversion bracket (10) comprises a first support arm (101) and a second support arm (102) which are arranged in a transversely spaced manner; a cavity groove (103) is embedded in the center of one end of the first support arm (101) facing the second support arm (102); an extension arm (104) is extended and slidably sleeved on the inner wall of the cavity groove (103); and the extension arm (104) is fixedly installed at the center position of one end of the second support arm (102) facing the first support arm (101).

9. A beam-hanging platform for coordinated offshore steel cylinder vibrating sinking construction according to claim 8, Features: The conversion bracket (10) further comprises a plurality of positioning holes (105) vertically penetrating through the inner cavity of the extension arm (104); the plurality of positioning holes (105) are linearly and evenly distributed on the extension arm (104); and a fixing bolt (106) is threadedly connected through the inner wall of one of the positioning holes (105); the fixing bolt (106) is installed at one end of the first support arm (101) close to the second support arm (102).

Images