Lifting point suitable for lifting large jacket

By using the reinforced connection structure between the main plate of the lifting point and the wire rope limiting assembly of the lifting point on the large conduit frame, the problem of the lifting point being subjected to exceed the ability of the snap ring is solved, and the stability and safety of the lifting operation are achieved, reducing the stability and safety of the lifting operation Construction costs and complexity.

CN119284729APending Publication Date: 2025-01-10OFFSHORE OIL ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202411309078.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-01-10

AI Technical Summary

Technical Problem

During the lifting process of large conduit frames, the lifting point is subjected to a greater force than the existing snap ring capacity, resulting in increased construction difficulty and the higher capacity snap ring needs to be replaced, which increases the construction complexity.

Method used

A lifting point suitable for lifting large conduit frames is designed, and a reinforced connection structure between the main plate of the hanging point and the conduit legs is adopted. The stability and safety of lifting operations are achieved through the main plate buckle tube, reinforcement plate and wire rope limiting components. Avoid the need to use large hydraulic clamps.

Benefits of technology

It reduces lifting risks, simplifies the construction process, reduces costs, and improves lifting efficiency and safety through direct connection and disengagement of wire ropes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119284729A_ABST
    Figure CN119284729A_ABST
Patent Text Reader

Abstract

The invention discloses a hoisting point suitable for hoisting a large jacket, the hoisting point suitable for hoisting the large jacket comprises a hoisting point main plate and a main plate buckle pipe, the main plate buckle pipe is connected to the hoisting point main plate, the hoisting point main plate is arranged on a guide pipe leg, and a reinforcing ring plate arranged on the guide pipe leg is connected with the hoisting point main plate so as to fix the hoisting point main plate; a reinforcing rib plate is connected to the main plate buckle pipe and connected with the lifting point main plate, a steel wire rope is connected to the lifting point main plate, a steel wire rope limiting assembly is arranged at one end of the lifting point main plate, and the end, away from the main plate buckle pipe, of the steel wire rope limiting assembly is connected to the guide pipe leg. According to the lifting point suitable for lifting the large jacket, the lifting point main plate is connected with the jacket leg, the main plate buckle pipe is connected to the lifting point main plate, and the lifting point main plate and the main plate buckle pipe are sleeved with the steel wire rope head during lifting operation, so that the lifting operation of the large jacket is realized; after hoisting is completed, the steel wire rope can be separated from the hoisting point through traction of the linear winch, the hoisting risk is reduced, and the construction cost is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention belongs to the technical field of marine engineering, and in particular relates to a lifting point suitable for lifting a large-scale conductor frame. Background Art

[0002] The water depth of a large-scale jacket exceeds 100 meters. In order to reduce the difficulty of construction and installation, it is constructed horizontally. Four lifting points are generally set, located at the main leg nodes on the upper part of the jacket; conventional lifting points need to be used in conjunction with clamps. Pin holes are set in the center of the lifting point mainboard and the cheek plates on both sides, and ribs are designed at the upper and lower ends of the mainboard to increase lateral strength.

[0003] The lifting weight of a large-scale conductor rack is large, and the force on a single lifting point can exceed 1,000 tons. At the same time, after the conductor rack is lifted into the sea, the lifting point may be below the water surface. In order to facilitate disassembly, a large-tonnage hydraulic clamp is required. When the force on the conductor rack lifting point exceeds the capacity of the existing clamp, it is necessary to replace the clamp with a higher capacity, which increases the difficulty of construction.

[0004] Therefore, it is urgent to design a lifting point suitable for lifting a large-scale conductor rack to solve the above-mentioned problem of lifting a large-scale conductor rack. Summary of the invention

[0005] In order to solve the technical problem mentioned in the background technology that the force on the conductor rack hanging point exceeds the capacity of the existing clamping ring, it is necessary to replace the clamping ring with a higher capacity, which increases the difficulty of construction, a hanging point suitable for hanging large conductor racks is provided to solve the problem of hanging large conductor racks.

[0006] To achieve the above-mentioned purpose, the specific technical scheme of the lifting point applicable to the lifting of a large-scale pipe rack of the present invention is as follows: A lifting point suitable for lifting a large-scale catheter rack comprises a lifting point main board and a main board buckle tube, wherein the main board buckle tube is connected to the lifting point main board, the lifting point main board is arranged on the catheter leg, and the reinforcing ring plate provided on the catheter leg is connected to the lifting point main board to fix the lifting point main board; a reinforcing rib plate is connected to the main board buckle tube, and the reinforcing rib plate is connected to the lifting point main board, and a steel wire rope is connected to the lifting point main board, and a steel wire rope limiting component is provided at one end of the lifting point main board, and the steel wire rope limiting component is connected to the catheter leg at one end away from the main board buckle tube.

[0007] Furthermore, a notch is provided on the catheter leg, a hanging point mainboard is inserted into the notch, and one end of the hanging point mainboard is connected and welded to the catheter leg.

[0008] Furthermore, a reinforcing ring plate is provided inside the catheter leg, and the reinforcing ring plate is welded to one end of the hanging point main board so that the hanging point main board and the catheter leg are stably connected.

[0009] Furthermore, the mainboard buckle tube includes a first mainboard buckle tube and a second mainboard buckle tube, and one end of the first mainboard buckle tube is welded to one end of the second mainboard buckle tube.

[0010] Furthermore, one end of the first main board buckle tube away from the second main board buckle tube is welded to the outer wall of the catheter leg, and the first main board buckle tube is welded to the surface of the hanging point main board.

[0011] Furthermore, the second main board buckle tube is welded to the surface of the hanging point main board, and a wire rope limiting assembly is provided on one side of the hanging point main board where the second main board buckle tube is welded.

[0012] Furthermore, reinforcing rib plates are welded between the first main board buckle tube, the second main board buckle tube and the hanging point main board.

[0013] Furthermore, a card interface is provided on the lifting point mainboard, and a steel wire rope is abutted in the card interface to lift the catheter rack.

[0014] Furthermore, one end of the wire rope limiting assembly is fixedly connected to the suspension point main board, and one end of the wire rope limiting assembly away from the suspension point main board is screwed to the catheter leg.

[0015] Furthermore, the ends of the first mainboard buckle tube and the second mainboard buckle tube are welded and connected to form an L shape.

[0016] The lifting point of the present invention suitable for lifting a large-scale pipe rack has the following advantages: By connecting the lifting point main board with the conduit leg, and connecting the main board buckle tube to the lifting point main board, the wire rope head is covered with the lifting point main board and the main board buckle tube during the lifting operation to realize the lifting operation of the large conduit rack. After the lifting is completed, the wire rope can be separated from the lifting point by pulling with a linear winch; and by setting a wire rope limiter assembly on the lifting point main board, the wire rope is limited to avoid the wire rope from being separated during the lifting operation, thereby reducing the lifting risk. This application can make the lifting wire rope directly connected to the conduit rack lifting point, avoid the use of large hydraulic clamps, and facilitate the detachment of the wire rope rigging after the lifting operation is completed, thereby reducing the construction cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the lifting point applicable to the lifting of a large-scale pipe rack in the present invention; Figure 2 This is a side view of a lifting point applicable to the lifting of a large-scale pipe rack according to the present invention; Figure 3 It is a cross-sectional view of the lifting point of the large-scale pipe rack hoisting along the length direction of the pipe leg of the present invention; Figure 4 The present invention is a cross-sectional view of a lifting point node for lifting a large-scale conductor frame.

[0018] Description of the markings in the figure: 1. Lifting point main board; 2. First main board buckle tube; 3. Second main board buckle tube; 4. Conduit leg; 5. Reinforcement ring plate; 6. Reinforcement rib plate; 7. Wire rope; 8. Wire rope limit assembly; 9. Conduit frame; 10. Lifting point. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0020] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0021] Please refer to the attached Figure 1 To Attachment Figure 4 The invention describes a lifting point suitable for lifting a large-scale pipe rack.

[0022] like Figure 1 , Figure 3 and Figure 4 As shown, the lifting point suitable for lifting a large-scale catheter rack in the present invention includes a lifting point main board 1 and a main board buckle tube, the main board buckle tube is connected to the lifting point main board 1, the lifting point main board 1 is arranged on the catheter leg 4, the catheter leg 4 is provided with a reinforcing ring plate 5 connected to the lifting point main board 1 to fix the lifting point main board 1; a reinforcing rib plate 6 is connected to the main board buckle tube, the reinforcing rib plate 6 is connected to the lifting point main board 1, a steel wire rope 7 is connected to the lifting point main board 1, a steel wire rope limiting assembly 8 is provided at one end of the lifting point main board 1, and the steel wire rope limiting assembly is connected to the catheter leg 4 away from one end of the main board buckle tube.

[0023] By connecting the lifting point main board 1 with the conduit leg 4, and connecting the main board buckle tube to the lifting point main board 1, the wire rope head is covered with the lifting point main board 1 and the main board buckle tube during the lifting operation, so as to realize the lifting operation of the large conduit frame. After the lifting is completed, the wire rope 7 can be separated from the lifting point 10 by traction of the linear winch; and by setting the wire rope limit assembly 8 on the lifting point main board 1, the wire rope 7 is limited to avoid the wire rope 7 from being separated during the lifting operation, thereby reducing the lifting risk. The present application can make the lifting wire rope directly connected to the conduit frame lifting point, avoid the use of large hydraulic clamps, facilitate the separation of the wire rope sling after the lifting operation is completed, and reduce the construction cost.

[0024] Further, if Figure 1As shown, a slot is provided on the catheter leg 4, and a hanging point mainboard 1 is inserted into the slot, and one end of the hanging point mainboard 1 is welded to the catheter leg 4; a reinforcing ring plate 5 is provided in the catheter leg 4, and the reinforcing ring plate 5 is welded to one end of the hanging point mainboard 1 so that the hanging point mainboard 1 is stably connected to the catheter leg 4; the mainboard buckle tube includes a first mainboard buckle tube 2 and a second mainboard buckle tube 3, and one end of the first mainboard buckle tube 2 and one end of the second mainboard buckle tube 3 are welded.

[0025] In this embodiment, preferably, four slots are opened on the catheter leg 4 of the catheter rack, and the four slots are arranged at intervals, and the lifting point mainboard 1 is respectively inserted at the slots. One end of the lifting point mainboard 1 is welded to the slot of the catheter leg 4 to fix the lifting point mainboard 1, and the lifting operation of the catheter rack is realized by connecting the steel wire rope 7 with the four lifting points 10.

[0026] A reinforcing ring plate 5 is provided inside the duct leg 4. Preferably, the reinforcing ring plate 5 is tightly welded to the inner wall of the duct leg 4. Multiple reinforcing ring plates 5 are welded inside the duct leg 4 at intervals. The multiple reinforcing ring plates 5 are all welded to one end of the hanging point main board 1 inserted into the slot, so that the hanging point main board 1 is stably set on the duct leg 4.

[0027] The mainboard buckle tube connected to the suspension point mainboard 1 is formed by welding the ends of the first mainboard buckle tube 2 and the second mainboard buckle tube 3. The first mainboard buckle tube 2 and the second mainboard buckle tube 3 are respectively connected to both sides of the suspension point mainboard 1.

[0028] Further, if Figure 1 As shown, one end of the first main board buckle tube 2 away from the second main board buckle tube 3 is welded to the outer wall of the conduit leg 4, and the first main board buckle tube 2 is welded to the surface of the hanging point main board 1; the second main board buckle tube 3 is welded to the surface of the hanging point main board 1, and a wire rope limiting assembly 8 is provided on the side of the hanging point main board 1 where the second main board buckle tube 3 is welded; reinforcing rib plates 6 are welded between the first main board buckle tube 2 and the second main board buckle tube 3 and the hanging point main board 1.

[0029] In the present embodiment, preferably, one end of the first main board buckle tube 2 away from the second main board buckle tube 3 is welded to the outer wall of the conduit leg 4, the first main board buckle tube 2 and the second main board buckle tube 3 are both semicircular tubes, and the openings of the first main board buckle tube 2 and the second main board buckle tube 3 are welded to the surface of the hanging point main board 1, so that the overall structure of the first main board buckle tube 2, the second main board buckle tube 3 and the hanging point main board 1 is stable, and the first main board buckle tube 2, the second main board buckle tube 3 and the hanging point main board 1 form the main structure of the hanging point 10.

[0030] Reinforcing rib plates 6 are vertically welded between the first main board buckle tube and the second main board buckle tube 3 and the hanging point main board 1. Preferably, the reinforcing rib plates 6 are arc-shaped plates, so that the reinforcing rib plates 6 are welded and arranged between the first main board buckle tube 2 and the second main board buckle tube 3 and the hanging point main board 1; a wire rope limiting assembly 8 is arranged on the side of the hanging point main board 1 where the second main board buckle tube 3 is welded. During lifting, the wire rope head is covered with the hanging point main board 1 and the first main board buckle tube 2 and the second main board buckle tube 3, and the wire rope 7 is limited by the wire rope limiting assembly 8.

[0031] Further, if Figure 1 and Figure 2 As shown, a card interface is provided on the lifting point main board 1, and a steel wire rope 7 is abutted inside the card interface to lift the catheter rack; one end of the steel wire rope limiting component 8 is fixedly connected to the lifting point main board 1, and the end of the steel wire rope limiting component 8 away from the lifting point main board 1 is screwed to the catheter leg 4; the ends of the first main board buckle tube 2 and the second main board buckle tube 3 are welded and connected to form an L shape.

[0032] In the present embodiment, preferably, the lifting point main board 1 is an L-shaped board, and a card interface is provided at the corner of the lifting point main board 1, and a wire rope head is sleeved in the card interface, thereby realizing the lifting operation of the catheter rack; the ends of the first main board buckle tube 2 and the second main board buckle tube 3 are welded into an L shape, so that the first main board buckle tube 2 and the second main board buckle tube 3 are matched with the shape of the lifting point main board after being connected.

[0033] Preferably, the wire rope limiting assembly 8 is composed of a first screw interface arranged on the lifting point main board 1, a second screw interface on the catheter leg, and a connecting rod connected to the first screw interface and the second screw interface. When the wire rope head is connected to the lifting point 10, the connecting rod is only screwed and fixed to the first screw interface; when the catheter frame needs to be lifted, the connecting rod is screwed and fixed to the second screw interface, and then the wire rope 7 is limited by the wire rope limiting assembly 8.

[0034] Based on the lifting point suitable for large-scale pipe rack hoisting, the lifting point is connected to the pipe leg 4 through the lifting point main board 1, and the main board buckle tube is connected to the lifting point main board 1. During the lifting operation, the wire rope head is covered with the lifting point main board 1 and the main board buckle tube to realize the lifting operation of the large-scale pipe rack. After the lifting is completed, the wire rope 7 can be separated from the lifting point 10 by linear winch traction; and the wire rope limiting assembly 8 is set on the lifting point main board 1 to limit the wire rope 7, so as to avoid the wire rope 7 from being separated during the lifting operation, thereby reducing the lifting risk. The present application can make the lifting wire rope directly connected to the pipe rack lifting point, avoid the use of large hydraulic clamps, and facilitate the separation of the wire rope rigging after the lifting operation is completed, thereby reducing the construction cost.

[0035] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A lifting point suitable for lifting a large-scale pipe rack, characterized in that: It includes a hanging point main board and a main board buckle tube, the main board buckle tube is connected to the hanging point main board, the hanging point main board is arranged on the catheter leg, the catheter leg is provided with a reinforcing ring plate connected to the hanging point main board to fix the hanging point main board; a reinforcing rib plate is connected to the main board buckle tube, the reinforcing rib plate is connected to the hanging point main board, a steel wire rope is connected to the hanging point main board, a steel wire rope limiting assembly is provided at one end of the hanging point main board, and the steel wire rope limiting assembly is connected to the catheter leg at one end away from the main board buckle tube.

2. The lifting point suitable for lifting a large-scale pipe rack according to claim 1 is characterized in that: A notch is provided on the catheter leg, a hanging point mainboard is inserted into the notch, and one end of the hanging point mainboard is connected and welded to the catheter leg.

3. The lifting point suitable for lifting a large-scale pipe rack according to claim 2 is characterized in that: A reinforcing ring plate is arranged inside the conduit leg, and the reinforcing ring plate is welded to one end of the hanging point main board so that the hanging point main board and the conduit leg are stably connected.

4. The lifting point suitable for lifting a large-scale pipe rack according to claim 1 is characterized in that: The mainboard buckle tube comprises a first mainboard buckle tube and a second mainboard buckle tube, and one end of the first mainboard buckle tube is welded to one end of the second mainboard buckle tube.

5. The lifting point suitable for lifting a large-scale pipe rack according to claim 4 is characterized in that: One end of the first main board buckle tube away from the second main board buckle tube is welded to the outer wall of the conduit leg, and the first main board buckle tube is welded to the surface of the hanging point main board.

6. The lifting point suitable for lifting a large-scale pipe rack according to claim 4 is characterized in that: The second mainboard buckle tube is welded to the surface of the hanging point mainboard, and a wire rope limiting assembly is provided on one side of the hanging point mainboard where the second mainboard buckle tube is welded.

7. The lifting point suitable for lifting a large-scale pipe rack according to claim 4 is characterized in that: Reinforcing ribs are welded between the first main board buckle tube, the second main board buckle tube and the hanging point main board.

8. The lifting point suitable for lifting a large-scale pipe rack according to claim 6 is characterized in that: A card interface is provided on the lifting point main board, and a steel wire rope is abutted inside the card interface to lift the catheter rack.

9. The lifting point suitable for lifting a large-scale pipe rack according to claim 6, characterized in that: One end of the wire rope limiting component is fixedly connected to the suspension point main board, and one end of the wire rope limiting component away from the suspension point main board is screwed to the conduit leg.

10. The lifting point suitable for lifting a large-scale pipe rack according to claim 4, characterized in that: The ends of the first mainboard buckle tube and the second mainboard buckle tube are welded and connected to form an L shape.