Offshore platform large-diameter super-long pipe pile lifting hook and lifting device
By designing arc-shaped substrates, support plates, limit plates and hoisting plates of large-diameter ultra-long pipe pile hooks on the offshore platform, the problem of pipe pile damage caused by concentrated stress during lifting of traditional hooks is solved, and a more stable and safe hoisting process is achieved.
Patent Information
- Application Number
- CN202421831381.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-07-30
AI Technical Summary
When traditional hooks lift large diameter extra-long pipe piles, the contact area between the pipe piles and the hook is small, and concentrated stress can easily cause damage to the pipe piles.
A large diameter ultra-long pipe pile hook on the offshore platform is designed, including an arc-shaped substrate, support plate, limit plate and hoisting plate. The substrate is coaxially bonded with the pipe pile, the support plate and the end surface of the pipe pile, and the limit plate and the substrate cooperate to limit the movement of the pipe pile in the radial direction. The hoisting plate provides the point where the hook connects to the lifting equipment, disperses the stress and avoids stress concentration.
By increasing the contact area between the pipe piles and the hook, dispersing the stress, avoiding stress concentration, improving the stability and safety of the lifting process, and reducing the risk of damage to the hooks and pipe piles.
Smart Images
Figure CN222960955U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of offshore platform construction technology, and particularly relates to a large-diameter and extra-long pipe pile hook and a hoisting device for an offshore platform. Background Art
[0002] With the continuous exploration and development of the ocean in China, a large number of offshore wind power platforms are developing towards deep water. For the offshore installation of pile columns of offshore platforms under various complex sea conditions, a safe and fast installation method is required to enable the large-diameter and extra-long pile columns delivered by tugs to be installed quickly, safely and accurately in place.
[0003] During the construction of current offshore platforms, when hoisting pipe piles, the pipe piles need to be hoisted from a horizontal state to a vertical state for installation. During hoisting, usually a hook is hooked on one end of the pipe pile to support the pipe pile, and the other end of the pipe pile is pulled up by a lifting tool to realize the vertical turning of the pipe pile. When the traditional hook is hooked on one end of the pipe pile, the contact area between the pipe pile and the hook is small, and stress concentration is likely to cause damage to the pipe pile. Content of the Utility Model
[0004] Based on the above description, the utility model provides a large-diameter and extra-long pipe pile hook and a hoisting device for an offshore platform to solve the problem that when the traditional hook is hooked on one end of the pipe pile, the contact area between the pipe pile and the hook is small, and stress concentration is likely to cause damage to the pipe pile.
[0005] The technical solution of the utility model to solve the above technical problems is as follows:
[0006] In the first aspect, the present application provides a large-diameter and extra-long pipe pile hook for an offshore platform, and the adopted technical solution is as follows:
[0007] A large-diameter and extra-long pipe pile hook for an offshore platform, comprising:
[0008] A base plate, which is in a circular arc shape coaxial with a first axis, and the base plate is used for fitting the outer wall of the pipe pile and being coaxial with the pipe pile;
[0009] A support plate, which is connected to the concave surface of the base plate, the support plate is perpendicular to the first axis, and the base plate is used for the concave surface to fit the outer wall of the pipe pile;
[0010] A limiting plate, which is connected to one side surface of the support plate and is parallel to the first axis, and the limiting plate is used for fitting the inner wall of the pipe pile when the base plate fits the outer wall of the pipe pile, so as to limit the relative movement of the pipe pile in the radial direction with respect to the base plate through the cooperation of the limiting plate and the base plate;
[0011] A hoisting plate, which is connected to the convex surface of the base plate, the hoisting plate is parallel to the first axis and is connected to the base plate on one side, and a hoisting hole is provided on the hoisting plate.
[0012] Preferably, the midpoint of the projection of the concave surface of the substrate in the first axis direction and the first axis form a first plane, and both the limiting plate and the lifting plate are parallel to the first plane.
[0013] Preferably, a plurality of limiting plates are provided, and the plurality of limiting plates are circumferentially spaced along the first axis.
[0014] Preferably, a stiffening plate is provided between the side of the support plate away from the limiting plate and the substrate.
[0015] Preferably, a plurality of reinforcing plates are connected to the convex surface of the substrate. The reinforcing plates are parallel to the lifting plate and are connected to one side of the substrate. Stiffening plates are provided both between the reinforcing plates and the lifting plate and between the reinforcing plates and the substrate.
[0016] Preferably, reinforcing plates are provided on both sides of the lifting plate at the lifting holes. The reinforcing plates are attached to the lifting plate and are arranged around the lifting holes.
[0017] Preferably, support shafts are connected to both sides in the circumferential direction of the substrate, and the axis of the support shaft is parallel to the first axis.
[0018] In a second aspect, the present application provides a hoisting device for large-diameter and extra-long pipe piles of an offshore platform, including:
[0019] The large-diameter and extra-long pipe pile hook of the offshore platform as described above, which is used to be connected to one end of the pipe pile:
[0020] A connecting rope, one end of which is connected to the large-diameter and extra-long pipe pile hook of the offshore platform, and the other end is connected with a lifting lug;
[0021] A sling, which is connected to the lifting lug and is used to be sleeved outside the pipe pile;
[0022] A hoisting rope, one end of which is connected to the lifting lug, and the other end is used to be fixed to the end of the pipe pile away from the large-diameter and extra-long pipe pile hook of the offshore platform. The hoisting rope is used to be connected to a crane and both ends can move closer to or away from the crane respectively.
[0023] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:
[0024] 1. In this application, by setting an arc-shaped base plate, support plate and limit plate, the base plate fits against the outer wall of the pipe pile and is coaxial with the pipe pile. The support plate fits against the end face of the pipe pile to support the pipe pile axially. The limit plate cooperates with the base plate to restrict the pipe pile from moving relative to the base plate radially. The lifting plate provides a connection point for the hook to connect with the lifting equipment. During lifting, the support plate contacts the end face of the pipe pile. The contact area between the support plate and the end face of the pipe pile is large, and the force is dispersed when bearing the axial force of the pipe pile. The base plate and the limit plate cooperate to keep the hook connected to the pipe pile and bear the force along the radial direction of the pipe pile during lifting. The arc-shaped setting of the base plate makes its contact surface with the pipe pile larger, and the force is evenly distributed during the lifting process, avoiding stress concentration, thus avoiding damage to the hook or the pipe pile and improving the stability and safety of the lifting process;
[0025] 2. Through the settings of structures such as the lifting plate, strengthening plate, stiffening plate and reinforcing plate in this application, the structural strength of the entire hook can be improved, and the structural strength at the position where the force is relatively concentrated on the hook is increased to ensure that it can bear the weight of the pipe pile;
[0026] 3. When the lifting device of this application is in use, connect the lifting rope to the crane, put the lifting ring on the outside of the pipe pile, connect the hook to one end of the pipe pile, fix the end of the lifting rope far from the lifting ear to the other end of the pipe pile. After lifting the pipe pile by the crane, move the end of the lifting rope far from the lifting ear closer to the crane, and at the same time move the end of the lifting rope connected to the lifting ear away from the crane, so that the pipe pile is turned until it reaches the vertical state. When the pipe pile is not in the vertical state, the lifting ring can share the gravity of the pipe pile, thereby reducing the force along the radial direction of the pipe pile on the hook and improving the stability and safety. Description of the Drawings
[0027] Figure 1 is a schematic structural diagram of the hook for large-diameter and extra-long pipe piles of an offshore platform provided by an embodiment of the present invention;
[0028] Figure 2 is a schematic structural diagram of the hook for large-diameter and extra-long pipe piles of an offshore platform provided by an embodiment of the present invention from another perspective;
[0029] Figure 3 is a schematic structural diagram of the lifting device for large-diameter and extra-long pipe piles of an offshore platform provided by an embodiment of the present invention;
[0030] Figure 4 is a schematic diagram of the lifting process of the lifting device for large-diameter and extra-long pipe piles of an offshore platform provided by an embodiment of the present invention;
[0031] In the drawings, the list of components represented by each reference numeral is as follows:
[0032] 1. Substrate; 2. Support plate; 3. Limiting plate; 4. Lifting plate; 41. Lifting hole; 5. Guide plate; 6. Stiffening plate; 7. Reinforcing plate; 8. Reinforcement plate; 9. Support shaft; 10. Connecting plate; 11. Connecting rope; 12. Sling ring; 13. Suspension rope; 14. Lifting lug. Detailed implementation manners
[0033] To facilitate the understanding of this application, the following will provide a more comprehensive description of this application with reference to the relevant drawings. Embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of this application more thorough and comprehensive.
[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0035] It can be understood that spatial relationship terms such as "under", "below", "beneath", "underneath", "above", "upper", etc. can be used herein to describe the relationship between one element or feature shown in the drawings and other elements or features. It should be understood that in addition to the orientation shown in the drawings, spatial relationship terms also include different orientations of the devices during use and operation. For example, if the device in the drawings is flipped, the element or feature described as "under other elements" or "beneath it" or "under it" will be oriented "above" other elements or features. Therefore, the exemplary terms "under" and "beneath" can include both the upper and lower orientations. In addition, the device can also have other orientations (such as rotating 90 degrees or other orientations), and the spatial descriptions used herein are accordingly interpreted.
[0036] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection" should be understood as "electrical connection", "communication connection", etc. if there is an electrical signal or data transfer between the connected circuits, modules, units, etc.
[0037] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprise / include" or "have" etc. specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.
[0038] Referring to Figure 1-2 as shown, an embodiment of the present application provides a large-diameter and extra-long pipe pile hook for an offshore platform, which includes a base plate 1, a support plate 2, a limit plate 3 and a lifting plate 4. The base plate 1 is in an arc shape coaxial with the first axis, and the base plate 1 is used for the concave surface to fit the outer wall of the pipe pile; the support plate 2 is connected to the concave surface of the base plate 1, the support plate 2 is perpendicular to the first axis, and the support plate 2 is used for fitting the end face of the pipe pile to support the pipe pile in the axial direction of the pipe pile; the limit plate 3 is connected to one side surface of the support plate 2 and is parallel to the first axis, and the limit plate 3 is used for fitting the inner wall of the pipe pile when the base plate 1 fits the outer wall of the pipe pile, so as to limit the relative movement of the pipe pile in the radial direction with respect to the base plate 1 through the cooperation of the limit plate 3 and the base plate 1; the lifting plate 4 is connected to the convex surface of the base plate 1, the lifting plate 4 is parallel to the first axis and one side is connected to the base plate 1, and a lifting hole 41 is provided on the lifting plate 4.
[0039] Referring to Figure 1-2 as shown, specifically, the support plate 2 is close to one end of the base plate 1 in the axial direction, while the limit plate 3 is located on the side of the support plate 2 away from this end of the base plate 1, and the lifting hole 41 on the lifting plate 4 is opened at the end away from the support plate 2. The midpoint of the projection of the concave surface of the base plate 1 in the direction of the first axis forms a first plane with the first axis, and both the limit plate 3 and the lifting plate 4 are parallel to the first plane. During the lifting process, when the pipe pile is not in a vertical state, the base plate 1 and the limit plate 3 are subjected to forces in the radial direction of the pipe pile and parallel to the first plane. Therefore, by setting the limit plate 3 and the lifting plate 4 to be parallel to the first plane, the lifting plate 4 can play a strengthening role on the base plate 1, improving the strength of the limit plate 3 and the lifting plate 4 in the force direction, thereby improving the overall strength and stability of the hook.
[0040] Referring to Figure 1-2 as shown, further, a plurality of limit plates 3 are provided, and the plurality of limit plates 3 are circumferentially spaced along the first axis. The plurality of limit plates 3 are provided to increase the contact area between the hook and the pipe pile, thereby dispersing the force and improving the support effect of the hook on the pipe pile in the radial direction of the pipe pile.
[0041] Referring to Figure 1-2 as shown, further, a guide plate 5 is connected to the limit plate 3, the guide plate 5 is parallel to the limit plate 3, and the guide plate 5 is provided with a chamfer at one end away from the support plate 2 along the axial direction of the base plate 1 and close to the side of the base plate 1, so as to facilitate the quick installation of the hook on the pipe pile through the guiding of the guide plate 5.
[0042] Referring to Figure 1-2 as shown, further, a stiffening plate 6 is provided between the side of the support plate 2 away from the limit plate 3 and the base plate 1. The setting of the stiffening plate 6 here can play a supporting role on the support plate 2, improve the strength of the support plate 2, and ensure that it can stably bear the gravity of the pipe pile.
[0043] Referring to Figure 1-2As shown, further, a plurality of reinforcing plates 7 are connected to the convex surface of the substrate 1. The reinforcing plates 7 are parallel to the lifting plate 4 and are connected to the substrate 1 at one side. Stiffening plates 6 are provided between the reinforcing plates 7 and the lifting plate 4 and between the reinforcing plates 7 and the substrate 1. Specifically, the reinforcing plates 7 are distributed on both sides of the lifting plate 4. The cooperation between the reinforcing plates 7 and the lifting plate 4 can further improve the strength of the substrate 1, so as to improve the overall strength of the hook.
[0044] Further, the number of the reinforcing plates 7 is the same as that of the limiting plates 3. The reinforcing plates 7 penetrate through the substrate 1 near one end of the supporting plate 2 in the axial direction of the substrate 1 and extend to the concave side of the substrate 1, and are fixed to the side of the supporting plate 2 away from the limiting plate 3. At the same time, the plurality of limiting plates 3 are respectively connected to the plurality of reinforcing plates 7 in one-to-one correspondence.
[0045] Refer to Figure 1-2 As shown, further, reinforcing plates 8 are provided at both sides of the lifting plate 4 at the lifting holes 41. The reinforcing plates 8 are attached to the lifting plate 4 and are arranged around the lifting holes 41, so as to enhance the structural strength of the lifting plate 4 at the lifting holes 41 through the reinforcing plates 8.
[0046] Refer to Figure 1-2 As shown, further, support shafts 9 are connected to both sides of the substrate 1 in the circumferential direction. The axis of the support shaft 9 is parallel to the first axis. Specifically, the support shafts 9 are fixed to the substrate 1. The two support shafts 9 and the end of the lifting plate 4 where the lifting holes 41 are opened are connected by a connecting plate 10. At the same time, the ends of the two support shafts 9 away from the supporting plate 2 are connected by another connecting plate 10, so as to enhance the strength of the lifting plate 4 at the lifting holes 41 through the support shafts 9 and the connecting plates 10.
[0047] Specifically, the whole hook is made of high-strength alloy steel, which has excellent tensile strength and corrosion resistance, and can be used for a long time in a harsh marine environment. The surface of the hook is specially treated, such as heat treatment and anti-corrosion coating, to further improve its wear resistance and corrosion resistance and extend its service life.
[0048] Refer to Figure 3-4 As shown, this embodiment also provides a hoisting device for large-diameter and extra-long pipe piles of an offshore platform, which includes the above-mentioned hoisting hook for large-diameter and extra-long pipe piles of an offshore platform, a connecting rope 11, a lifting ring 12 and a lifting rope 13. The hoisting hook for large-diameter and extra-long pipe piles of an offshore platform is used to be connected to one end of the pipe pile. One end of the connecting rope 11 is connected to the hoisting hook for large-diameter and extra-long pipe piles of an offshore platform, and the other end is connected with a lifting lug 14. The lifting ring 12 is connected to the lifting lug 14 and is used to be sleeved outside the pipe pile. One end of the lifting rope 13 is connected to the lifting lug 14, and the other end is used to be fixed to the end of the pipe pile away from the hoisting hook for large-diameter and extra-long pipe piles of an offshore platform. The lifting rope 13 is used to be connected to a crane and both ends can move closer to or away from the crane respectively.
[0049] Refer to Figure 3-4As shown, specifically, the lifting lug 14 is provided with hole positions for connecting the connecting rope 11, the lifting rope 13, and the lifting ring 12 respectively. The lifting rope 13 is connected to the crane. The function of the two ends of the lifting rope 13 moving closer to or away from the crane can be realized by a winch provided on the crane. For example, the lifting rope 13 is wound around the winch drum. When the drum rotates, one end of the lifting rope 13 moves closer to the crane, and the other end moves away from the crane.
[0050] Referring to Figure 4 As shown, in use, the lifting rope 13 is connected to the crane, the lifting ring 12 is sleeved outside the pipe pile, the hook is connected to one end of the pipe pile, and the end of the lifting rope 13 away from the lifting lug 14 is fixed to the other end of the pipe pile. After the pipe pile is lifted by the crane, the end of the lifting rope 13 away from the lifting lug 14 moves closer to the crane, and at the same time, the end of the lifting rope 13 connected to the lifting lug 14 moves away from the crane, so that the pipe pile is turned until it reaches the vertical state. When the pipe pile is not in the vertical state, the lifting ring 12 can share the gravity of the pipe pile, thereby reducing the force on the hook along the radial direction of the pipe pile and improving stability and safety.
[0051] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A large-diameter and extra-long pipe pile hook for an offshore platform, characterized in that: include: A base plate (1) is in the shape of an arc coaxial with the first axis, and the base plate (1) is used for the inner concave surface to fit the outer wall of the pipe pile; A support plate (2) connected to the inner concave surface of the base plate (1), the support plate (2) being perpendicular to the first axis, and the support plate (2) being used to fit the end surface of the pipe pile to support the pipe pile in the axial direction of the pipe pile; a limiting plate (3) connected to one side surface of the support plate (2) and parallel to the first axis, the limiting plate (3) being used to fit the inner wall of the pipe pile when the base plate (1) fits the outer wall of the pipe pile, so as to limit the movement of the pipe pile relative to the base plate (1) in the radial direction through the cooperation between the limiting plate (3) and the base plate (1); A hanging plate (4) is connected to the outer convex surface of the base plate (1); the hanging plate (4) is parallel to the first axis and one side is connected to the base plate (1); a hanging hole (41) is provided on the hanging plate (4).
2. The large-diameter and extra-long pipe pile hook for offshore platforms according to claim 1, characterized in that; The midpoint of the projection of the inner concave surface of the base plate (1) in the direction of the first axis forms a first plane with the first axis, and the limiting plate (3) and the hanging plate (4) are both parallel to the first plane.
3. The large-diameter and extra-long pipe pile hook for offshore platforms according to claim 2 is characterized by: A plurality of the limit plates (3) are provided, and the plurality of limit plates (3) are distributed at intervals in the circumferential direction along the first axis.
4. The large-diameter and extra-long pipe pile hook for offshore platforms according to claim 1 is characterized by: A stiffening plate (6) is provided between the side of the support plate (2) away from the limiting plate (3) and the base plate (1).
5. The large-diameter and extra-long pipe pile hook for offshore platforms according to claim 2 is characterized by: A plurality of reinforcing plates (7) are connected to the outer convex surface of the base plate (1); the reinforcing plates (7) are parallel to the hanging plates (4) and connected to the base plate (1) on one side; and stiffening plates (6) are provided between the reinforcing plates (7) and the hanging plates (4) and between the reinforcing plates (7) and the base plate (1).
6. The large-diameter and extra-long pipe pile hook for offshore platforms according to claim 1, characterized in that: Reinforcement plates (8) are provided on both sides of the hanging plate (4) at the hanging holes (41); the reinforcement plates (8) are fitted to the hanging plate (4) and are arranged around the hanging holes (41).
7. The large-diameter and extra-long pipe pile hook for offshore platforms according to claim 1 is characterized by: Both sides of the substrate (1) in the circumferential direction are connected to support shafts (9), and the axis of the support shaft (9) is parallel to the first axis.
8. A large-diameter and extra-long pipe pile hoisting device for an offshore platform, characterized in that: include: The offshore platform large-diameter extra-long pipe pile hook according to any one of claims 1 to 7 is used to be connected to one end of the pipe pile: A connecting rope (11), one end of which is connected to the offshore platform large-diameter extra-long pipe pile hook, and the other end of which is connected to a lifting lug (14); A lifting ring (12), which is connected to the lifting lug (14) and is used to be sleeved outside the pipe pile; A lifting rope (13) has one end connected to the lifting lug (14) and the other end used to be fixed to the pipe pile away from one end of the large-diameter extra-long pipe pile hook of the offshore platform. The lifting rope (13) is used to be connected to a crane and the two ends can be moved closer to or away from the crane respectively.