Lifting appliance for ocean platform and crane thereof

Abstract

The utility model discloses a lifting appliance for ocean platform and a crane thereof, the lifting appliance comprises a lifting appliance main body, the lifting appliance main body comprises a lifting appliance shell and a lifting hook, the lifting appliance shell and a lifting hook support are provided with a dismounting assembly, the dismounting assembly comprises an installing plate, a first clamping plate and a second clamping plate, the installing plate is arranged between the lifting appliance shells, an installing cavity is arranged in the installing plate, and the first clamping plate is arranged in the installing cavity. A slot is formed in the center of the mounting plate, a first toothed plate and a second toothed plate are slidably mounted in the mounting cavity, a toothed ring is rotatably mounted at the center of the mounting cavity and meshed with the first toothed plate and the second toothed plate, the first clamping plate is fixedly connected with the first toothed plate, and the second clamping plate is fixedly connected with the second toothed plate. According to the lifting appliance for the ocean platform provided by the utility model, through the arrangement of the dismounting assembly, a worker can conveniently replace lifting hooks with different shapes when different objects are lifted, so that the efficiency of replacing different lifting appliances in the prior art is improved, and the convenience and the practicability of the lifting appliance in use are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cranes and slings, in particular to a sling for an offshore platform and a crane thereof. Background Art

[0002] Offshore platforms are structures that provide production and living facilities for activities such as drilling, oil production, shipping, observation, navigation, and construction at sea. They can be divided into three categories: fixed, mobile, and semi-fixed according to their structural characteristics and working conditions. The lower part of a fixed platform is directly supported and fixed to the seabed by piles, expanded footings, or other structures. According to the support conditions, it can be divided into pile-based and gravity-based types. Mobile platforms float in the water or are supported on the seabed and can be moved from one well to another. According to the support conditions, they can be divided into bottom-based and floating types. In recent years, novel semi-fixed offshore platforms are being studied that can be fixed in deep water and are also movable. Tension leg platforms belong to this category.

[0003] Lifting is to help transport and move equipment on offshore drilling platforms to improve the efficiency of offshore oil extraction;

[0004] Existing slings have relatively limited functions, resulting in low efficiency for different operations. Different slings need to be replaced for different items, but this process is time-consuming and labor-intensive, significantly reducing the efficiency of the slings. Therefore, there is an urgent need to design slings and cranes for offshore platforms to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a sling for an offshore platform and a crane thereof, so as to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A sling for an offshore platform comprises a sling body, wherein the sling body comprises a sling shell and a hook, the sling shell and the hook bracket are provided with a disassembly and assembly component, the disassembly and assembly component comprises a mounting plate, a first clamping plate and a second clamping plate, the mounting plate is arranged between the sling shells, a mounting cavity is arranged in the mounting plate, a slot is opened at the center of the mounting plate, a first tooth plate and a second tooth plate are slidably installed in the mounting cavity, a gear ring is rotatably installed at the center of the mounting cavity, the gear ring is respectively engaged with the first tooth plate and the second tooth plate, the first clamping plate is fixedly connected to the first tooth plate, the second clamping plate is fixedly connected to the second tooth plate, and the hook is arranged between the first clamping plate and the second clamping plate.

[0008] The gear ring is located around the slot, one end of the hook is movably inserted into the slot, a slot is provided around one end of the hook, and the first clamping plate and the second clamping plate are respectively clamped and installed on both sides of the slot.

[0009] A fixing plate is provided on one side of each of the first tooth plate and the second tooth plate, and a first spring is provided between the fixing plate and the inner wall of the installation cavity.

[0010] A connecting slider is provided on the upper side of one end of the first tooth plate and the second tooth plate, and two slideways are provided on the upper side of the mounting plate. The connecting slider is slidably installed in the slideways, and the first tooth plate and the second tooth plate are fixedly connected to the first clamping plate and the second clamping plate respectively through the connecting slider.

[0011] A fixing mechanism is provided between the first card plate and the second card plate, and the fixing mechanism includes a plug-in shell, a fixing seat and a plug-in plate. An installation cavity is provided in the plug-in shell, and a U-shaped card block is slidably installed in the installation cavity. A second spring is provided between the U-shaped card block and the installation cavity. One end of the plug-in plate is fixedly connected to the fixing seat, and the plug-in plate is movably plugged into the plug-in shell, and the plug-in plate is clamped to the U-shaped card block.

[0012] The plug-in shell is fixedly mounted on the upper side of the second card plate, the fixing seat is fixedly mounted on the upper side of the first card plate, a pressing plate is provided on one side of the U-shaped card block, and the pressing plate is located outside the plug-in shell.

[0013] A crane for an offshore platform is also provided, comprising a crane and any one of the above-mentioned offshore platform slings.

[0014] In the above technical solution, the offshore platform spreader and the crane provided by the utility model have the following beneficial effects:

[0015] (1) The offshore platform sling provided by the present invention can facilitate workers to replace hooks of different shapes when lifting different objects by providing a disassembly and assembly component, thereby improving the efficiency of existing replacement of different slings, thereby improving the convenience and practicality of the sling when used.

[0016] (2) The offshore platform sling provided by the present invention can, through the provided fixing mechanism, limit and fix the first clamping plate and the second clamping plate after the first clamping plate and the second clamping plate are clamped to the hook, thereby improving the stability of the sling during use.

[0017] (3) The offshore platform sling provided by the present invention can, through the first tooth plate, the second tooth plate and the gear ring, enable the first clamping plate to move synchronously with the second clamping plate through the first tooth plate, the second tooth plate and the gear ring when the worker pulls the first clamping plate to move, thereby improving the convenience of using the sling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0019] Figure 1 The present invention is a schematic diagram of a crane structure provided in accordance with an embodiment of the utility model of a sling for an offshore platform and a crane thereof.

[0020] Figure 2 The present invention is a schematic diagram of the main structure of a sling for an offshore platform and a crane thereof according to an embodiment of the present invention.

[0021] Figure 3 This is a schematic diagram of the external structure of the disassembly and assembly components provided in an embodiment of the offshore platform spreader and the crane thereof according to the utility model.

[0022] Figure 4 The present invention is a schematic diagram of the internal structure of the disassembly and assembly components of the offshore platform spreader and the crane embodiment thereof.

[0023] Figure 5 The present invention is a schematic diagram of the cross-sectional structure of the fixing mechanism provided in an embodiment of the offshore platform spreader and the crane thereof.

[0024] Figure 6 This is a schematic diagram of the exploded structure of the first and second clamping plates provided in an embodiment of the offshore platform spreader and its crane of the utility model.

[0025] 1. Crane; 2. Spreader body; 3. Spreader shell; 6. Mounting plate; 7. Disassembly and assembly components; 8. Hook; 9. Fixing mechanism; 10. First clamping plate; 11. Second clamping plate; 12. Slide; 13. Mounting cavity; 14. First tooth plate; 15. Second tooth plate; 16. Slot; 17. Gear ring; 18. Connecting slider; 19. First spring; 20. Fixing plate; 21. Plug-in shell; 22. Fixed seat; 23. Plug-in plate; 24. Mounting cavity; 25. U-shaped block; 26. Second spring; 28. Pressing plate. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] like Figure 1-6 As shown, the offshore platform sling provided by the embodiment of the present invention includes a sling body 2, the sling body 2 includes a sling shell 3 and a hook 8, the sling shell 3 and the hook 8 bracket are provided with a disassembly assembly 7, the disassembly assembly 7 includes a mounting plate 6, a first clamping plate 10 and a second clamping plate 11, the mounting plate 6 is arranged between the sling shell 3, a mounting cavity 13 is provided in the mounting plate 6, a slot 16 is provided at the center of the mounting plate 6, a first tooth plate 14 and a second tooth plate 15 are slidably installed in the mounting cavity 13, a gear ring 17 is rotatably installed at the center of the mounting cavity 13, the gear ring 17 is respectively engaged with the first tooth plate 14 and the second tooth plate 15, the first clamping plate 10 is fixedly connected to the first tooth plate 14, the second clamping plate 11 is fixedly connected to the second tooth plate 15, the hook 8 is arranged between the first clamping plate 10 and the second clamping plate 11, and the gear ring 17 is located between the first clamping plate 10 and the second clamping plate 11. On the side of the slot 16, one end of the hook 8 is movably inserted into the slot 16, and a slot is provided on the side of one end of the hook 8. The first clamping plate 10 and the second clamping plate 11 are respectively clamped and installed on both sides of the slot. A fixing plate 20 is provided on one side of the first tooth plate 14 and the second tooth plate 15. A first first spring 19 is provided between the fixing plate 20 and the inner wall of the mounting cavity 13. A connecting slider 18 is provided on the upper side of one end of the first tooth plate 14 and the second tooth plate 15. Two slides 12 are provided on the upper side of the mounting plate 6. The connecting slider 18 is slidably installed in the slide 12. The connecting slider 18 and the slide 12 can improve the smoothness of the first tooth plate 14, the second tooth plate 15, the first clamping plate 10 and the second clamping plate 11 when moving. The first tooth plate 14 and the second tooth plate 15 are fixedly connected to the first clamping plate 10 and the second clamping plate 11 respectively through the connecting slider 18.

[0028] Specifically, in this embodiment, when replacing a different hook 8, by pulling the first clamping plate 10 to move, the first clamping plate 10 can drive the first tooth plate 14 to move through the connecting slider 18, the movement of the first tooth plate 14 can drive the gear ring 17 to rotate, the rotation of the gear ring 17 can drive the second tooth plate 15 to move, and the movement of the second tooth plate 15 can drive the second clamping plate 11 to move through the connecting slider 18, so that the first clamping plate 10 can move synchronously with the second clamping plate 11 in the opposite direction, thereby disengaging the first clamping plate 10 and the second clamping plate 11 from the groove on the peripheral side of one end of the hook 8, and then pulling the hook 8 downward to disengage the hook 8 The slot 16 and the mounting plate 6, after inserting the hooks 8 of different shapes, relax the first clamping plate 10, so that the first clamping plate 10 and the second clamping plate 11 move toward each other due to the elastic force of the first spring 19. By the first clamping plate 10 and the second clamping plate 11 moving toward each other, the first clamping plate 10 and the second clamping plate 11 can be clamped in the clamping groove on the side of one end of the hook 8, thereby fixing the hook 8. The clamping groove on the side of one end of the hook 8 is circular, and the first clamping plate 10 and the second clamping plate 11 are both provided with semicircular clamping openings in the center, so that the first clamping plate 10 and the second clamping plate 11 can be clamped on the side of the clamping groove.

[0029] The utility model provides a sling for an offshore platform, and a fixing mechanism 9 is provided between the first clamping plate 10 and the second clamping plate 11. The fixing mechanism 9 includes a plug-in shell 21, a fixing seat 22 and a plug-in plate 23. A mounting cavity 24 is provided in the plug-in shell 21, and a U-shaped block 25 is slidably installed in the mounting cavity 24. A second spring 26 is provided between the U-shaped block 25 and the mounting cavity 24. One end of the plug-in plate 23 is fixedly connected to the fixing seat 22, and the plug-in plate 23 is movably plugged into the plug-in shell 21. The plug-in plate 23 is clamped with the U-shaped block 25. The plug-in shell 21 is fixedly installed on the upper side of the second clamping plate 11, and the fixing seat 22 is fixedly installed on the upper side of the first clamping plate 10. A pressing plate 28 is provided on one side of the U-shaped block 25, and the pressing plate 28 is located outside the plug-in shell 21.

[0030] In another embodiment provided by the present invention, the plug-in board 23 is inserted into the plug-in shell 21. At the same time, a triangular card plate is provided on one side of the plug-in board 23, and a second chamfered surface is provided on one side of the U-shaped card block 25. When the first chamfered surface on one side of the triangular card plate contacts the second chamfered surface on one side of the U-shaped card block 25, the triangular card plate will squeeze the U-shaped card block 25, and then the U-shaped card block 25 will move and retract into the installation cavity 24 through the inclined surfaces of the first chamfered surface and the second chamfered surface. The cross-section of the installation cavity 24 is U-shaped, and the movement of the U-shaped card block 25 will squeeze the second spring 26. When the plug-in board 23 is fully inserted into the plug-in shell 21, the U-shaped card block 25 will move and reset by the elastic force of the second spring 26. When the U-shaped card block 25 moves and resets, it will squeeze one side of the triangular card plate When the first clamping plate 10 and the second clamping plate 11 need to be released from the fixed position, the pressing plate 28 is pressed so that the pressing plate 28 drives the U-shaped clamping block 25 to move, so that the U-shaped clamping block 25 is retracted into the installation cavity 24 to release the limit of the triangular clamping plate, and then the second clamping plate 11 can be moved to drive the fixing seat 22 and the plug-in plate 23 to move, so that the plug-in plate 23 drives the triangular clamping plate to separate from the plug-in shell 21. A limiting sliding hole is provided on one side of the U-shaped clamping block 25, and a limiting rod is provided on one side of the inner wall of the installation cavity. The limiting rod is slidably connected to the limiting sliding hole. When the U-shaped clamping block 25 moves, it will move along the limiting rod through the limiting sliding hole, thereby improving the smoothness and stability of the U-shaped clamping block 25 when moving.

[0031] A crane for an offshore platform is also provided, comprising a crane 1 and any one of the above-mentioned offshore platform slings, wherein the crane 1 is used to drive the sling to lift objects.

[0032] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A spreader for an offshore platform, comprising a spreader body (2), characterized in that: The sling body (2) includes a sling shell (3) and a hook (8), and the sling shell (3) and the hook (8) bracket are provided with a disassembly assembly (7), and the disassembly assembly (7) includes a mounting plate (6), a first clamping plate (10) and a second clamping plate (11), and the mounting plate (6) is arranged between the sling shells (3), and a mounting cavity (13) is provided in the mounting plate (6), and a slot (16) is provided at the center of the mounting plate (6), and a sliding slot (16) is provided in the mounting cavity (13). A first tooth plate (14) and a second tooth plate (15) are installed, and a tooth ring (17) is rotatably installed at the center of the installation cavity (13). The tooth ring (17) is engaged with the first tooth plate (14) and the second tooth plate (15) respectively. The first clamping plate (10) is fixedly connected to the first tooth plate (14), and the second clamping plate (11) is fixedly connected to the second tooth plate (15). The hook (8) is arranged between the first clamping plate (10) and the second clamping plate (11).

2. The offshore platform spreader according to claim 1, characterized in that: The gear ring (17) is located on the peripheral side of the slot (16), one end of the hook (8) is movably inserted into the slot (16), a card slot is provided on the peripheral side of one end of the hook (8), and the first card plate (10) and the second card plate (11) are respectively card-engaged and installed on both sides of the card slot.

3. The offshore platform spreader according to claim 2, characterized in that: A fixing plate (20) is provided on one side of each of the first tooth plate (14) and the second tooth plate (15), and a first spring (19) is provided between the fixing plate (20) and the inner wall of the installation cavity (13).

4. The offshore platform spreader according to claim 3, characterized in that: A connecting slider (18) is provided on the upper side of one end of the first tooth plate (14) and the second tooth plate (15), two slideways (12) are provided on the upper side of the mounting plate (6), and the connecting slider (18) is slidably installed in the slideways (12). The first tooth plate (14) and the second tooth plate (15) are fixedly connected to the first clamping plate (10) and the second clamping plate (11) respectively through the connecting slider (18).

5. The offshore platform spreader according to claim 1, characterized in that: A fixing mechanism (9) is provided between the first card plate (10) and the second card plate (11), the fixing mechanism (9) comprising a plug-in shell (21), a fixing seat (22) and a plug-in plate (23), a mounting cavity (24) is provided in the plug-in shell (21), a U-shaped card block (25) is slidably installed in the mounting cavity (24), a second spring (26) is provided between the U-shaped card block (25) and the mounting cavity (24), the claim One end of the plug-in board (23) is fixedly connected to the fixing seat (22), and the plug-in board (23) is movably plugged into the plug-in shell (21), and the plug-in board (23) is clamped with the U-shaped clamping block (25).

6. The offshore platform spreader according to claim 5, characterized in that: The plug-in shell (21) is fixedly mounted on the upper side of the second card plate (11), the fixing seat (22) is fixedly mounted on the upper side of the first card plate (10), and a pressing plate (28) is provided on one side of the U-shaped card block (25), and the pressing plate (28) is located outside the plug-in shell (21).

7. An offshore platform crane, comprising a crane (1) and the offshore platform spreader according to any one of claims 1 to 6.

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