Special-shaped pipeline hoisting device

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By designing a special-shaped pipeline lifting device, using a lifting rack and multiple lifting components set at angles, the force balance during the lifting process of special-shaped pipelines is achieved, and the problems of complex operation and low efficiency in the existing technology are solved, ensuring the safety of the pipeline and the smooth progress of construction.

CN222989517UActive Publication Date: 2025-06-17GUANGZHOU SALVAGE BUREAU

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Patent Information

Application Number: CN202421773111.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-07-25
Publication Date: 2025-06-17
Estimated Expiration: 2034-07-25

AI Technical Summary

Technical Problem

In the construction of subsea pipelines, due to the large local elevation change during the lifting process of special-shaped pipelines, the pipeline is subjected to uneven stress and is prone to deformation or tearing. The prior art requires separate stress calculations for each pipeline, which is complex in operation and low efficiency.

Method used

A special-shaped pipe hoisting device is designed, including an upper hanging unit, a lifting rack body and a lower hanging unit. The main body of the hoisting rack is composed of two hoisting racks arranged at angles. Each hoisting rack is connected to the upper hoisting unit and the lower hoisting unit includes a plurality of hoisting components, each component includes a hoisting rope, a dynamometer and a suspender. By measuring the tension value of the hoisting rope, the distance between the hoisting rack and the pipeline is adjusted to ensure balance of force.

Benefits of technology

This device can effectively avoid deformation or tearing of special-shaped pipes during lifting, simplify the operation process, improve lifting efficiency, and ensure the smooth progress of subsequent construction.

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Abstract

The utility model belongs to the technical field of offshore construction, and discloses a special-shaped pipeline hoisting device which comprises an upper hoisting sling unit, a hoisting frame main body and a lower hoisting sling unit, the upper hoisting unit is configured to be connected with ascending hoisting equipment, the hoisting frame main body comprises two hoisting frames which are arranged at an included angle, and each hoisting frame is connected to the upper hoisting unit; the lower hoisting unit comprises a plurality of hoisting assemblies arranged at intervals in the horizontal direction, and each hoisting assembly is arranged between the hoisting frame body and the special-shaped pipeline. The hoisting assembly comprises a hoisting rope, a dynamometer and a hoisting belt, the hoisting rope is connected between the hoisting belt and the hoisting frame, the dynamometer is arranged on the hoisting rope and can measure the value of tension borne by the hoisting rope, and the hoisting belt is annularly arranged on the special-shaped pipeline. The distance between the hoisting frame and the special-shaped pipeline is adjusted according to the tension value measured by the dynamometer, so that stress balance of hoisting of the special-shaped pipeline is ensured, deformation and damage of the special-shaped pipeline are prevented, and smooth proceeding of follow-up construction is ensured.

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Description

Technical Field

[0001] The utility model relates to the technical field of offshore construction, in particular to a lifting device for special-shaped pipes. Background Art

[0002] During the laying construction of submarine pipelines, the pipelines need to be lifted. The pipelines required for construction include straight pipes and special-shaped pipes, such as arc-shaped pipes or bent pipes. Since there are large elevation changes in the local pipeline installation, during the lifting process, it is necessary to ensure that the pipeline is evenly stressed to avoid pipeline deformation or tearing.

[0003] At present, for the lifting of special-shaped submarine pipelines with many elbows, stress calculation needs to be carried out before actual lifting to adjust the lifting network and set the tension points to prevent pipeline deformation or tearing during the lifting process. It is necessary to calculate each special-shaped pipeline separately, which is complicated in operation and low in operation efficiency; at the same time, the accuracy of the calculation results directly affects the subsequent lifting process. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a lifting device for special-shaped pipes, which can ensure the even stress during the lifting process of special-shaped pipes and effectively avoid pipeline deformation.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Provide a lifting device for special-shaped pipes, used for lifting special-shaped pipes, including:

[0007] An upper lifting network unit, configured to be connected to an upward lifting device;

[0008] The main body of the lifting frame includes two lifting frames arranged at an angle, and each of the lifting frames is connected to the upper lifting network unit;

[0009] A lower lifting network unit is arranged between the main body of the lifting frame and the special-shaped pipe, and includes a plurality of lifting components arranged at intervals in the horizontal direction. The lifting component includes a lifting rope, a dynamometer and a sling. The lifting rope is connected between the sling and the lifting frame, and the distance between the lifting frame and the special-shaped pipe is adjustable; the dynamometer is arranged on the lifting rope and can measure the tension value of the lifting rope; the sling is configured to be looped around the special-shaped pipe.

[0010] As an optional scheme of the lifting device for special-shaped pipes, the lifting component further includes an adjusting mechanism, and the adjusting mechanism is connected between the lifting frame and the lifting rope and can adjust the distance between the lifting frame and the special-shaped pipe.

[0011] As an alternative to the special-shaped pipe hoisting device, the hoisting assembly further includes a first connecting member, and the first connecting member is rotatably connected between the hoisting frame and the adjusting mechanism.

[0012] As an alternative to the special-shaped pipe hoisting device, the hoisting assembly further includes a second connecting member, and the second connecting member is rotatably connected between the hoisting rope and the sling.

[0013] As an alternative to the special-shaped pipe hoisting device, the hoisting frame body further includes an adapter, the adapter includes a first rod and a second rod, the first rod and the second rod are arranged at an angle, and the ends of the first rod and the second rod away from each other are respectively and detachably connected to the two hoisting frames in a one-to-one correspondence.

[0014] As an alternative to the special-shaped pipe hoisting device, the hoisting frame is welded by a plurality of connecting rods.

[0015] As an alternative to the special-shaped pipe hoisting device, a plurality of hanging points are arranged on the hoisting frame, the hanging points are located at the intersections of the plurality of connecting rods, and a reinforcing plate is arranged between adjacent two of the connecting rods.

[0016] As an alternative to the special-shaped pipe hoisting device, the upper hoisting unit includes a plurality of hoisting components; the first ends of the plurality of hoisting components are all connected to the upward hoisting equipment, and the second ends of the plurality of hoisting components are connected to the hoisting frame at intervals.

[0017] As an alternative to the special-shaped pipe hoisting device, the hoisting component includes a first rope and a plurality of second ropes, the first rope is connected between the second rope and the upward hoisting equipment, and the second rope is connected between the first rope and the hoisting frame.

[0018] As an alternative to the special-shaped pipe hoisting device, the hoisting frame body further includes a reinforcing cross frame, and the reinforcing cross frame is connected between the two hoisting frames.

[0019] Advantages of the present utility model:

[0020] The utility model provides a special-shaped pipe hoisting device for hoisting special-shaped pipes, which comprises an upper sling unit, a hoisting frame main body and a lower sling unit. The upper sling unit is configured to be connected with an upward hoisting device. The hoisting frame main body includes two hoisting frames arranged at an angle, and each hoisting frame is connected to the upper sling unit. The lower sling unit includes a plurality of hoisting components arranged at intervals in the horizontal direction, and each hoisting component is arranged between the hoisting frame main body and the special-shaped pipe. The hoisting component includes a hoisting rope, a dynamometer and a sling. The hoisting rope is connected between the sling and the hoisting frame, and the dynamometer is arranged on the hoisting rope and can measure the pulling force value received by the hoisting rope. The sling is looped around the special-shaped pipe. According to the magnitude of the pulling force value measured by the dynamometer, the distance between the hoisting frame and the special-shaped pipe is adjusted to ensure the balanced stress of the special-shaped pipe hoisting, prevent the special-shaped pipe from deforming and being damaged, and ensure the smooth progress of subsequent construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a side view of the special-shaped pipe hoisting device provided by an embodiment of the specific implementation manner of the utility model;

[0022] Figure 2 is a top view of the hoisting frame main body provided by an embodiment of the specific implementation manner of the utility model;

[0023] Figure 3 is Figure 2 a partial enlarged view of part A in

[0024] Figure 4 is Figure 2 a partial enlarged view of part B in

[0025] Figure 5 is a schematic diagram of the hoisting component provided by an embodiment of the specific implementation manner of the utility model.

[0026] In the figure:

[0027] 100, special-shaped pipe;

[0028] 1, upper sling unit; 11, sling component; 111, first rope; 112, second rope;

[0029] 2, hoisting frame main body;

[0030] 21, hoisting frame; 210, hoisting point; 211, connecting rod; 212, reinforcing plate;

[0031] 22, adapter; 221, first rod; 222, second rod;

[0032] 23, reinforcing cross frame;

[0033] 3. Lower suspension unit; 31. Lifting assembly; 311. Lifting rope; 312. Dynamometer; 313. Suspender; 314. Adjusting mechanism; 315. First connecting piece; 316. Second connecting piece. Detailed implementation mode

[0034] The present utility model will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the sake of description, only the parts related to the present utility model rather than all the structures are shown in the drawings.

[0035] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0036] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "below", and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal height than the second feature.

[0037] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0038] The technical solution of the present utility model will be further described below with reference to the drawings and through specific implementation modes.

[0039] Such as Figures 1 to 5As shown in the figure, this embodiment provides a special-shaped pipe hoisting device for hoisting a special-shaped pipe 100. The device includes an upper sling unit 1, a hoisting frame main body 2, and a lower sling unit 3. The upper sling unit 1 is configured to be connected to an upward hoisting device. The hoisting frame main body 2 includes two hoisting frames 21 arranged at an angle, and each hoisting frame 21 is connected to the upper sling unit 1. The lower sling unit 3 includes a plurality of hoisting components 31 arranged at intervals in the horizontal direction, and each hoisting component 31 is arranged between the hoisting frame main body 2 and the special-shaped pipe 100. The hoisting component 31 includes a hoisting rope 311, a dynamometer 312, and a sling 313. The hoisting rope 311 is connected between the sling 313 and the hoisting frame 21, and the dynamometer 312 is arranged on the hoisting rope 311 and can measure the tensile force value of the hoisting rope 311. The sling 313 is looped around the special-shaped pipe 100. According to the magnitude of the tensile force value measured by the dynamometer 312, the distance between the hoisting frame 21 and the special-shaped pipe 100 is adjusted to ensure the balanced stress of the hoisting of the special-shaped pipe 100, prevent the special-shaped pipe 100 from deforming and being damaged, and ensure the smooth progress of subsequent construction.

[0040] Specifically, the dynamometer 312 is a device already disclosed in the prior art. For its specific structure and principle, reference is made to the prior art and will not be elaborated here.

[0041] Optionally, the upper sling unit 1 includes a plurality of sling components 11. The first ends of the plurality of sling components 11 are all connected to the upward hoisting device, and the second ends of the plurality of sling components 11 are arranged at intervals on the hoisting frame 21. The above setting can ensure the balanced stress of the hoisting frame 21 and improve the stability of the device.

[0042] Furthermore, the sling component 11 includes a first rope 111 and a plurality of second ropes 112. The first rope 111 is connected between the second rope 112 and the upward hoisting device, and the second rope 112 is connected between the first rope 111 and the hoisting frame 21. The above setting further ensures the balanced stress of the hoisting frame 21.

[0043] Specifically, both the first rope 111 and the second rope 112 are steel wires, which have the advantages of high strength, light self-weight, and high reliability.

[0044] Exemplarily, in this embodiment, each sling component 11 is provided with two second ropes 112; in other embodiments, the number of the second ropes 112 can also be set as required and will not be specifically limited here.

[0045] Optionally, the hoisting frame 21 is welded by a plurality of connecting rods 211, which is convenient for obtaining materials and has a high connection strength; at the same time, the self-weight of the hoisting frame 21 can be effectively reduced.

[0046] Furthermore, a plurality of lifting points 210 are provided on the lifting frame 21 to facilitate the quick connection between the lifting frame 21 and the upper winding unit 1. The lifting points 210 are located at the intersection of a plurality of connecting rods 211, and a reinforcing plate 212 is provided between two adjacent connecting rods 211 to improve the connection strength of the lifting frame 21 and ensure the stability and safety of the lifting process.

[0047] Optionally, the lifting frame body 2 further includes an adapter 22. The adapter 22 includes a first rod 221 and a second rod 222 arranged at an angle. The ends of the first rod 221 and the second rod 222 away from each other are respectively and detachably connected to two lifting frames 21 in a one-to-one correspondence. The first rod 221 and the second rod 222 are detachably connected, and the angle between the first rod 221 and the second rod 222 can be set as required to be applicable to the lifting of special-shaped pipes 100 of different shapes, thereby improving the versatility of the device.

[0048] Alternatively, the two lifting frames 21 can also be arranged at 180 degrees, that is, the lifting frame body 2 is arranged straight to be applicable to the lifting of straight pipes or special-shaped pipes 100 with a small curvature, thereby expanding the application range of the device.

[0049] Exemplarily, the above-mentioned detachable connection is realized by using bolts or screws.

[0050] Optionally, the lifting frame body 2 further includes a reinforcing cross-frame 23. The reinforcing cross-frame 23 is connected between the two lifting frames 21 to further enhance the connection strength of the lifting frame body 2. Specifically, the reinforcing cross-frame 23 is also welded by a plurality of connecting rods 211.

[0051] Optionally, the lifting assembly 31 further includes an adjusting mechanism 314. The adjusting mechanism 314 is connected between the lifting frame 21 and the lifting rope 311 and can adjust the distance between the lifting frame 21 and the special-shaped pipe 100. Specifically, in this embodiment, the adjusting mechanism 314 is a manual hoist. By pulling the manual hoist, the distance between the lifting frame 21 and the special-shaped pipe 100 can be adjusted. The operation is simple and convenient, which is beneficial to improving the operation efficiency. Alternatively, in other embodiments, the adjusting mechanism 314 can also be a winding mechanism. One end of the lifting rope 311 is wound on the winding mechanism, and by rotating the winding mechanism, the length of the lifting rope 311 between the lifting frame body 2 and the sling 313 is adjusted, thereby realizing the adjustment of the distance between the lifting frame 21 and the special-shaped pipe 100 and ensuring the balanced force of the special-shaped pipe 100.

[0052] Furthermore, the lifting assembly 31 further includes a first connector 315. The first connector 315 is rotatably connected between the lifting frame 21 and the adjusting mechanism 314 to facilitate the quick connection between the adjusting mechanism 314 and the lifting frame 21.

[0053] Optionally, the hoisting assembly 31 further includes a second connecting member 316, which is rotatably connected between the hoisting rope 311 and the sling 313 to facilitate the quick connection between the hoisting rope 311 and the sling 313.

[0054] Exemplarily, in this embodiment, both the first connecting member 315 and the second connecting member 316 are shackles commonly used in the art; both the hoisting rope 311 and the sling 313 are steel wires commonly used in the art.

[0055] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, rather than limiting the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A special-shaped pipe hoisting device for hoisting a special-shaped pipe (100), characterized in that: include: An upper hanging network unit (1) is configured to be connected to an upward hanging device; A hanging frame body (2) comprises two hanging frames (21) arranged at an angle, each of the hanging frames (21) being connected to the upper hanging network unit (1); The lower hanging unit (3) is arranged between the hanging frame body (2) and the special-shaped pipe (100), and includes a plurality of hanging components (31) arranged at intervals in the horizontal direction, wherein the hanging components (31) include a hanging rope (311), a force gauge (312) and a sling (313), wherein the hanging rope (311) is connected between the sling (313) and the hanging frame (21), and the distance between the hanging frame (21) and the special-shaped pipe (100) is adjustable; the force gauge (312) is arranged on the hanging rope (311) and can measure the tension value of the hanging rope (311); and the sling (313) is configured to be looped around the special-shaped pipe (100).

2. The special-shaped pipe hoisting device according to claim 1, characterized in that: The hoisting assembly (31) further comprises an adjusting mechanism (314), wherein the adjusting mechanism (314) is connected between the hoisting frame (21) and the hoisting rope (311) and is capable of adjusting the distance between the hoisting frame (21) and the special-shaped pipe (100).

3. The special-shaped pipe hoisting device according to claim 2, characterized in that: The hanging assembly (31) further comprises a first connecting member (315), wherein the first connecting member (315) is rotatably connected between the hanging frame (21) and the adjusting mechanism (314).

4. The special-shaped pipe hoisting device according to claim 1, characterized in that: The hoisting assembly (31) further comprises a second connecting member (316), wherein the second connecting member (316) is rotatably connected between the hoisting rope (311) and the sling (313).

5. The special-shaped pipe hoisting device according to claim 1, characterized in that: The hanging frame body (2) further comprises an adapter (22), wherein the adapter (22) comprises a first rod (221) and a second rod (222), wherein the first rod (221) and the second rod (222) are arranged at an angle, and ends of the first rod (221) and the second rod (222) that are away from each other are respectively and detachably connected to the two hanging frames (21) in a one-to-one correspondence.

6. The special-shaped pipe hoisting device according to claim 1, characterized in that: The hanging frame (21) is formed by welding a plurality of connecting rods (211).

7. The special-shaped pipe hoisting device according to claim 6, characterized in that: The hanging frame (21) is provided with a plurality of hanging points (210), the hanging points (210) are located at the intersection of a plurality of connecting rods (211), and a reinforcing plate (212) is provided between two adjacent connecting rods (211).

8. The special-shaped pipe hoisting device according to claim 1, characterized in that: The upper hanging sling unit (1) comprises a plurality of hanging sling assemblies (11); the first ends of the plurality of hanging sling assemblies (11) are all connected to the upward hanging equipment, and the second ends of the plurality of hanging sling assemblies (11) are connected to the hanging frame (21) at intervals.

9. The special-shaped pipe hoisting device according to claim 8, characterized in that: The sling assembly (11) comprises a first rope (111) and a plurality of second ropes (112); the first rope (111) is connected between the second rope (112) and the upward hoisting device; and the second rope (112) is connected between the first rope (111) and the hoisting frame (21).

10. The special-shaped pipe hoisting device according to any one of claims 1 to 9, characterized in that: The hanging frame body (2) further comprises a reinforcing cross frame (23), wherein the reinforcing cross frame (23) is connected between the two hanging frames (21).