Adjustable underwater circular foundation mounting and righting device suitable for all terrains

Abstract

The invention relates to an adjustable underwater circular foundation mounting and righting device suitable for all terrains. The adjustable underwater circular foundation mounting and righting device comprises an upper-layer frame and a lower-layer frame. The upper-layer frame comprises a first frame body, the lower-layer frame comprises a second frame body, the upper-layer frame is provided with a righting mechanism, and the righting mechanism comprises a righting cylinder; a plurality of hydraulic lifting units are further arranged between the first frame body and the second frame body; the hydraulic lifting units are matched with one another and are used for enabling the centralizing cylinder to be in a vertical state; the lower-layer frame is provided with a locking and fixing mechanism; the locking and fixing mechanism comprises a plurality of locking and fixing units; the locking and fixing unit comprises a fixing assembly and a locking assembly; the fixing assembly comprises a wedge block; the wedge blocks of the multiple locking and fixing units are used for locking the centralizing device to the underwater circular foundation. According to the righting device, the underwater circular foundation can be righting on seabed with different slopes, the righting device and the underwater circular foundation can be locked on the land and placed into the seabed at the same time, the construction process is simplified, the underwater workload is effectively reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The invention relates to the field of underwater foundation construction, and in particular to an underwater circular foundation installation and straightening device that is suitable for all terrains and adjustable. Background Art

[0002] The ocean is a treasure trove of rich resources, including mineral resources, chemical resources, aquatic resources, power resources, etc. The difficulty of marine development lies in how to make the development equipment stable and secure at sea. A more effective and widely used method is to fix and support the offshore equipment through circular foundations such as anchors, piles, pipes, and cylinders to ensure that the offshore equipment can be stable at sea and operate safely.

[0003] Circular foundations are the main foundation devices for offshore installations, generally including anchors, piles, pipes, tubes, etc. Compared with the onshore environment, the installation of underwater foundations at sea is subject to more complex environmental loads, including but not limited to the effects of waves and currents. At the same time, the geological conditions on the seabed are more complex and changeable, with seabed mountains and gullies, which are uneven, which can easily lead to uneven force on the circular foundation and tilt. In severe cases, the circular foundation may even bend or even overturn, causing serious accidents.

[0004] In summary, in order to ensure the smooth installation of circular foundations under various seabed terrains, it is necessary to develop an all-terrain leveling installation and straightening device to ensure the installation of deepwater foundations. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides an all-terrain adjustable underwater circular foundation installation and righting device, which can right the underwater circular foundation on the seabed with different slopes. The righting device and the underwater circular foundation can be locked on land and placed on the seabed at the same time, thereby simplifying the construction process, effectively reducing the underwater workload and improving construction efficiency.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a righting device for installing an underwater circular foundation that is adjustable in all terrains, comprising an upper frame and a lower frame; the upper frame comprises a first frame body, the lower frame comprises a second frame body, the upper frame is equipped with a righting mechanism for righting the underwater circular foundation, and the righting mechanism comprises a righting cylinder; a plurality of hydraulic lifting units are also arranged between the first frame body and the second frame body; the plurality of hydraulic lifting units cooperate to control the inclination angle of the upper frame relative to the lower frame, and thereby adjust the righting cylinder to a vertical state; the lower frame is equipped with a locking and fixing mechanism; the locking and fixing mechanism comprises a plurality of locking and fixing units; the locking and fixing unit comprises a fixing assembly and a locking assembly; the fixing assembly comprises a wedge block; the wedge blocks of the plurality of locking and fixing units are used to lock and fix the righting device to the underwater circular foundation under the drive of the locking assembly.

[0007] Furthermore, the righting mechanism includes a plurality of righting units; the righting unit includes a righting assembly; the righting assembly includes a righting plate; and the righting arc plates of the plurality of righting units constitute the righting cylinder.

[0008] Furthermore, a guide plate is arranged on the top side of the straightening plate; and the guide plates of the plurality of straightening units form a bell mouth arranged on the straightening cylinder.

[0009] Furthermore, a first guide rod is fixed on the straightening plate; a first guide cylinder is provided at a position of the first frame corresponding to the first guide rod; the first guide rod is inserted into the first guide cylinder, and the first guide rod cooperates with the first guide cylinder to enable the first guide rod to have the freedom to move along the first guide cylinder, thereby enabling the straightening plates of multiple straightening units to form straightening cylinders of different calibers.

[0010] Furthermore, the straightening unit also includes a straightening adjustment component; the straightening adjustment component includes a straightening adjustment screw; the first frame is also fixed with a first nut that cooperates with the thread of the straightening adjustment screw; one end of the straightening adjustment screw is rotatably connected to the first guide rod, and the other end is fixed with a straightening adjustment handle; the straightening adjustment handle is used to drive the straightening adjustment screw to rotate, and then with the cooperation of the first nut, drive the first guide rod to move along the first guide cylinder.

[0011] Furthermore, at least one level is provided on the upper frame.

[0012] Furthermore, the hydraulic lifting unit includes a hydraulic jack; the hydraulic jack includes a hydraulic cylinder, a piston push rod and a jack control handle; the bottom end of the hydraulic cylinder is installed on the top side of the second frame through a first movable joint; the top end of the piston push rod is installed on the bottom side of the first frame through a second movable joint.

[0013] Furthermore, the wedge block is fixed with a second guide rod; the second frame is provided with a second guide cylinder at a position corresponding to the second guide rod; the second guide rod is inserted in the second guide cylinder, and the second guide rod cooperates with the second guide cylinder; the locking assembly includes a locking screw; the second frame is also fixed with a second nut which cooperates with the locking screw thread; one end of the locking screw abuts against the second guide rod, and the other end is fixed with a locking handle; the locking handle is used to drive the locking screw to rotate, and with the cooperation of the second nut, the second guide rod is pushed to move along the second guide cylinder.

[0014] Furthermore, a first connecting pin is provided on the side of the second guide rod; a second connecting pin is provided on the corresponding side of the second guide cylinder; a guide long hole is provided on the corresponding side of the second guide cylinder at a position corresponding to the first connecting pin; a return spring is installed between the first connecting pin and the second connecting pin, so as to provide a pulling force for the wedge block to move away from the underwater circular foundation.

[0015] Furthermore, a bottom plate is fixed to the bottom side of the lower frame; an opening for the underwater circular foundation to pass through is provided in the middle of the bottom plate; and a plurality of supporting feet fixed to the bottom plate are provided on the bottom side of the second frame.

[0016] Advantages of the present invention: The present invention is an all-terrain adjustable underwater circular foundation installation and righting device, which can right the underwater circular foundation on the seabed with different slopes, and can also lock the righting device and the underwater circular foundation on land and put them into the seabed at the same time, thereby simplifying the construction process, effectively reducing the underwater workload and improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0018] Figure 2 It is a three-dimensional schematic diagram of the assembly of an upper frame and a righting unit of an all-terrain adjustable underwater circular foundation righting device according to an embodiment;

[0019] Figure 3 It is a three-dimensional schematic diagram of the assembly of a righting unit of an all-terrain adjustable underwater circular foundation-mounted righting device according to an embodiment;

[0020] Figure 4 It is a three-dimensional schematic diagram of the assembly of a lower frame and a locking and fixing unit of an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0021] Figure 5 It is a three-dimensional schematic diagram of the assembly of a locking and fixing unit of an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0022] Figure 6 It is an enlarged schematic diagram of a return spring area of ​​an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0023] Figure 7 It is an enlarged schematic diagram of a hydraulic lifting unit area of ​​an all-terrain adjustable underwater circular foundation installation righting device applicable to an embodiment;

[0024] Figure 8It is a three-dimensional schematic diagram of a hydraulic lifting unit of an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0025] Fig. 9 A three-dimensional schematic diagram of a bottom plate of an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0026] Fig.10 It is a schematic diagram of the use state of an all-terrain adjustable underwater circular foundation installation righting device according to an embodiment;

[0027] Among them, 1-upper frame, 2-lower frame, 3-hydraulic lifting unit, 4-righting unit, 5-locking and fixing unit, 6-bottom plate, 11-first frame, 12-first guide cylinder, 13-first nut, 14-first gripper, 15-first lifting ear, 16-level, 21-second frame, 22-second guide cylinder, 23-second nut, 24-second gripper, 211-support foot, 221-second connecting pin, 222-guide long hole, 31-hydraulic jack, 32-first movable joint, 33-second movable Connector, 311-hydraulic cylinder, 312-piston push rod, 313-jack control handle, 41-righting assembly, 42-righting adjustment assembly, 411-righting plate, 412-guide plate, 413-first guide rod, 421-righting adjustment screw, 422-righting adjustment handle, 51-fixing assembly, 52-locking assembly, 53-reset spring, 511-wedge block, 512-second guide rod, 513-first connecting pin, 521-locking screw, 522-locking handle, 61-opening, 62-second lifting ear. DETAILED DESCRIPTION

[0028] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. The embodiments are only used to explain the present invention and do not limit the protection scope of the present invention.

[0029] Example

[0030] Please refer to Figures 1 to 10As shown, this embodiment provides an all-terrain adjustable underwater circular foundation installation and straightening device, comprising an upper frame 1 and a lower frame 2; the upper frame 1 comprises a first frame body 11, the lower frame 2 comprises a second frame body 21, the upper frame 1 is equipped with a straightening mechanism for straightening the underwater circular foundation, and the straightening mechanism comprises a straightening cylinder; a plurality of hydraulic lifting units 3 are also arranged between the first frame body 11 and the second frame body 21; the plurality of hydraulic lifting units 3 cooperate to control the inclination angle of the upper frame 1 relative to the lower frame 2, and thus adjust the straightening cylinder to a vertical state; the lower frame 2 is equipped with a locking and fixing mechanism; the locking and fixing mechanism comprises a plurality of locking and fixing units 5; the locking and fixing unit 5 comprises a fixing assembly 51 and a locking assembly 52; the fixing assembly 51 comprises a wedge block 511; the wedge blocks 511 of the plurality of locking and fixing units 5 are used to lock and fix the straightening device to the underwater circular foundation under the drive of the locking assembly 52.

[0031] Refer to Figure 2 and Figure 3 As shown, the righting mechanism includes a plurality of righting units 4; the righting unit 4 includes a righting assembly 41; the righting assembly includes a righting plate 411; the righting arc plates 411 of the plurality of righting units 4 constitute the righting cylinder.

[0032] Refer to Figure 2 and Figure 3 As shown, a guide plate 412 is provided on the top side of the straightening plate 411; the guide plates 412 of the plurality of straightening units 4 form a bell mouth provided on the straightening cylinder.

[0033] Refer to Figure 2 and Figure 3 As shown, a first guide rod 413 is fixed on the straightening plate 411; a first guide cylinder 12 is provided at a position of the first frame 11 corresponding to the first guide rod 413; the first guide rod 413 is inserted into the first guide cylinder 12, and the first guide rod 413 cooperates with the first guide cylinder 12 to enable the first guide rod 413 to have the freedom to move along the first guide cylinder 12, thereby enabling the straightening plates 411 of multiple straightening units 4 to form straightening cylinders of different calibers.

[0034] Refer to Figure 2 and Figure 3As shown, the straightening unit 4 also includes a straightening adjustment component 42; the straightening adjustment component 42 includes a straightening adjustment screw 421; the first frame 11 is also fixed with a first nut 13 threadedly matched with the straightening adjustment screw 421; one end of the straightening adjustment screw 421 is rotatably connected to the first guide rod 413, and the other end is fixed with a straightening adjustment handle 422; the straightening adjustment handle 422 is used to drive the straightening adjustment screw 421 to rotate, and then with the cooperation of the first nut 13, drive the first guide rod 413 to move along the first guide cylinder 12.

[0035] Refer to Figure 2 As shown, in this embodiment, a plurality of first lifting ears 15 are further provided on the first frame 11, and the upper frame can be suspended by a sling to facilitate assembly; a plurality of first grippers 14 are also fixed around the first frame 11 to facilitate the stability of the underwater robot during the adjustment operation of the righting device.

[0036] Refer to Figure 2 As shown, at least one level 16 is also provided on the upper frame 1; during the installation of the underwater circular foundation, the levelness of the straightening device can be monitored in real time to ensure that the inclination angle is within the design range when the underwater circular foundation is installed in place.

[0037] Refer to Figure 7 and Figure 8 As shown, the hydraulic lifting unit 3 includes a hydraulic jack 31; the hydraulic jack 31 includes a hydraulic cylinder 311, a piston push rod 312 and a jack control handle 313; the bottom end of the hydraulic cylinder 311 is installed on the top side of the second frame 21 through a first movable joint 32; the top end of the piston push rod 312 is installed on the bottom side of the first frame 11 through a second movable joint 33.

[0038] Refer to Figure 4 and Figure 5 As shown, the wedge block 511 is fixed with a second guide rod 512; the second frame 21 is provided with a second guide cylinder 22 at a position corresponding to the second guide rod 512; the second guide rod 512 is inserted into the second guide cylinder 22, and the second guide rod 512 cooperates with the second guide cylinder 22; the locking assembly 52 includes a locking screw 521; the second frame 21 is also fixed with a second nut 23 threadedly matched with the locking screw 521; one end of the locking screw 521 is against the second guide rod 512, and the other end is fixed with a locking handle 522; the locking handle 522 is used to drive the locking screw 521 to rotate, and under the cooperation of the second nut 23, the second guide rod 512 is pushed to move along the second guide cylinder 22. In this embodiment, the side of the wedge block corresponding to the underwater circular foundation is set as an uneven friction surface, which is engaged with the outer surface of the underwater circular foundation after locking.

[0039] Refer to Figure 5 and Figure 6 As shown, a first connecting pin 513 is also provided on the side of the second guide rod 512; a second connecting pin 221 is provided on the corresponding side of the second guide cylinder 22; a guide long hole 222 is provided on the corresponding side of the second guide cylinder 22 at a position corresponding to the first connecting pin 513; a return spring 53 is installed between the first connecting pin 513 and the second connecting pin 221, which is used to provide a pulling force for the wedge block to move away from the underwater circular foundation.

[0040] Refer to Figure 1 and Fig. 9 As shown, a bottom plate 6 is also fixed to the bottom side of the lower frame 2; an opening 61 is provided in the middle of the bottom plate 6 for the underwater circular foundation to pass through; and a plurality of supporting legs 211 fixed to the bottom plate 6 are provided on the bottom side of the second frame 21. In this embodiment, the design of the bottom plate can play a role of bottom support on the soft seabed.

[0041] Refer to Figure 1 , Figure 4 and Fig. 9 As shown, in this embodiment, a plurality of second lifting ears 62 are fixed on the bottom plate 6, and the bottom plate can be suspended by a lifting device for easy assembly. The entire righting device can also be suspended by the first lifting ear 15 and the second lifting ear 62 for easy recovery. A plurality of second grippers 24 are fixed around the second frame 21 for facilitating the stability of the underwater robot during adjustment operations of the righting device.

[0042] The present embodiment is an all-terrain adjustable underwater circular foundation installation righting device, and the method of use is as follows:

[0043] Assembly stage on land: on land, place the underwater circular foundation in the middle of the righting cylinder of the righting device, rotate the righting adjustment screw, and push the righting plate toward the underwater circular foundation until it contacts the outer surface of the underwater circular foundation; then, rotate the locking handle to push the wedge block toward the underwater circular foundation until it is pressed against the outer surface of the underwater circular foundation;

[0044] Adjustment and sinking stage of underwater circular foundation (refer to Fig.10As shown): slowly lower the whole into the sea water until the bottom plate contacts the seabed, observe the value of the level, lower the underwater robot to the seabed, and reversely rotate the locking handle through the mechanical arm of the underwater robot. Under the action of the reset spring, the wedge block is separated from the underwater circular foundation; determine the hydraulic lifting unit that needs to be adjusted according to the value of the level, and use the jack control handle of the corresponding hydraulic lifting unit through the mechanical arm of the underwater robot to adjust the extension length of the corresponding piston push rod. Through the adjustment of the hydraulic lifting unit, the first frame is horizontal, and then the straightening cylinder is vertical; use tools to sink the underwater circular foundation, and observe the value of the level in real time. If it exceeds the allowable range, repeat the above operation to keep it vertical until the underwater circular foundation reaches the predetermined depth;

[0045] Recovery stage: the righting adjustment screw is rotated in the opposite direction by the mechanical arm of the underwater robot to loosen the righting plate from the surface of the underwater circular foundation; the cable is installed on each lifting eye of the righting device by the mechanical arm of the underwater robot, and the righting device is lifted to the surface of the water by the lifting device to complete the recovery work.

[0046] The present embodiment is an all-terrain adjustable underwater circular foundation installation righting device, which can adjust multiple hydraulic lifting units underwater through the mechanical arm of the underwater robot to control the horizontality of the first frame, thereby ensuring that the righting cylinder is in a vertical state, and playing a righting role for the underwater circular foundation, and can adapt to seabeds with different slopes; the caliber of the righting cylinder can be adjusted by the righting adjustment component to adapt to underwater circular foundations of different sizes; the righting device is fixed to the underwater circular foundation on land through the locking and fixing mechanism, and is lowered to the seabed together with the underwater circular foundation when it is lowered.

[0047] The above embodiments should not limit the present invention in any way, and any technical solutions obtained by equivalent replacement or equivalent conversion shall fall within the protection scope of the present invention.

Claims

1. An all-terrain adjustable underwater circular foundation installation righting device, characterized in that: The invention comprises an upper frame (1) and a lower frame (2); the upper frame (1) comprises a first frame body (11), the lower frame (2) comprises a second frame body (21), the upper frame (1) is provided with a righting mechanism for righting an underwater circular foundation, the righting mechanism comprises a righting cylinder; a plurality of hydraulic lifting units (3) are further provided between the first frame body (11) and the second frame body (21); the plurality of hydraulic lifting units (3) cooperate to control the upper frame (1) relative to the lower frame (21), The tilt angle of the frame (2) is adjusted to adjust the righting cylinder to a vertical state; the lower frame (2) is provided with a locking and fixing mechanism; the locking and fixing mechanism comprises a plurality of locking and fixing units (5); the locking and fixing units (5) comprise a fixing assembly (51) and a locking assembly (52); the fixing assembly (51) comprises a wedge block (511); the wedge blocks (511) of the plurality of locking and fixing units (5) are used to lock and fix the righting device to an underwater circular foundation under the drive of the locking assembly (52).

2. The all-terrain adjustable underwater circular foundation installation righting device according to claim 1, characterized in that: The righting mechanism comprises a plurality of righting units (4); the righting unit (4) comprises a righting assembly (41); the righting assembly comprises a righting plate (411); the righting arc plates (411) of the plurality of righting units (4) constitute the righting cylinder.

3. The all-terrain adjustable underwater circular foundation installation righting device according to claim 2, characterized in that: A guide plate (412) is arranged on the top side of the straightening plate (411); the guide plates (412) of the plurality of straightening units (4) form a bell mouth arranged on the straightening cylinder.

4. The all-terrain adjustable underwater circular foundation installation righting device according to claim 2, characterized in that: A first guide rod (413) is fixed on the straightening plate (411); a first guide cylinder (12) is provided on the first frame (11) at a position corresponding to the first guide rod (413); the first guide rod (413) is inserted into the first guide cylinder (12), and the first guide rod (413) cooperates with the first guide cylinder (12) to enable the first guide rod (413) to have the freedom to move along the first guide cylinder (12), thereby enabling the straightening plates (411) of the plurality of straightening units (4) to form straightening cylinders of different calibers.

5. The all-terrain adjustable underwater circular foundation installation righting device according to claim 4, characterized in that: The straightening unit (4) further comprises a straightening adjustment assembly (42); the straightening adjustment assembly (42) comprises a straightening adjustment screw (421); the first frame (11) is further fixed with a first nut (13) threadedly matched with the straightening adjustment screw (421); one end of the straightening adjustment screw (421) is rotatably connected to the first guide rod (413), and the other end is fixed with a straightening adjustment handle (422); the straightening adjustment handle (422) is used to drive the straightening adjustment screw (421) to rotate, and then drive the first guide rod (413) to move along the first guide cylinder (12) in cooperation with the first nut (13).

6. The all-terrain adjustable underwater circular foundation installation righting device according to claim 1, characterized in that: At least one level (16) is also provided on the upper frame (1).

7. The all-terrain adjustable underwater circular foundation installation righting device according to claim 1, characterized in that: The hydraulic lifting unit (3) comprises a hydraulic jack (31); the hydraulic jack (31) comprises a hydraulic cylinder (311), a piston push rod (312) and a jack control handle (313); the bottom end of the hydraulic cylinder (311) is mounted on the top side of the second frame (21) via a first movable joint (32); the top end of the piston push rod (312) is mounted on the bottom side of the first frame (11) via a second movable joint (33).

8. The all-terrain adjustable underwater circular foundation installation righting device according to claim 1, characterized in that: The wedge block (511) is fixed with a second guide rod (512); the second frame (21) is provided with a second guide cylinder (22) at a position corresponding to the second guide rod (512); the second guide rod (512) is inserted into the second guide cylinder (22), and the second guide rod (512) cooperates with the second guide cylinder (22); the locking assembly (52) includes a locking screw (521); the second frame (21) is also fixed with a second nut (23) threadedly engaged with the locking screw (521); one end of the locking screw (521) abuts against the second guide rod (512), and the other end is fixed with a locking handle (522); the locking handle (522) is used to drive the locking screw (521) to rotate, and under the cooperation of the second nut (23), the second guide rod (512) is pushed to move along the second guide cylinder (22).

9. The all-terrain adjustable underwater circular foundation installation righting device according to claim 8, characterized in that: The side of the second guide rod (512) is also provided with a first connecting pin (513); the second guide cylinder (22) is provided with a second connecting pin (221) on the corresponding side; the corresponding side of the second guide cylinder (22) is provided with a guide long hole (222) at a position corresponding to the first connecting pin (513); a return spring (53) is installed between the first connecting pin (513) and the second connecting pin (221) to provide a pulling force for the wedge block to move away from the underwater circular foundation.

10. An all-terrain adjustable underwater circular foundation installation righting device according to any one of claims 1 to 9, characterized in that: A bottom plate (6) is also fixed to the bottom side of the lower frame (2); an opening (61) is provided in the middle of the bottom plate (6) for the underwater circular foundation to pass through; and a plurality of supporting legs (211) fixed to the bottom plate (6) are provided on the bottom side of the second frame body (21).

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