Offshore pile splicing device without crane

By designing a crane-free offshore pile-joining device with a modular floating structure, the device utilizes hydraulic rods, clamping and pushing devices to achieve automatic docking and adjustment of the piles. This solves the problems of cumbersome crane-assisted pile joining and non-adjustable pile height in existing technologies, and achieves fast, safe, low-cost pile joining operation and platform stability.

CN116607490BActive Publication Date: 2025-11-25TIANJIN TDBH NAVAL ARCHITECTURE & OCEAN ENG ACADEMY
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Patent Information

Application Number
CN202310707962.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-14
Publication Date
2025-11-25
Estimated Expiration
2043-06-14

AI Technical Summary

Technical Problem

Existing offshore pile-connecting devices require crane assistance, which is cumbersome and costly, and the non-adjustable pile height leads to platform instability.

Method used

Design a crane-free offshore pile connection device for a modular floating structure. The device utilizes hydraulic rods, clamping devices, and pushing devices to achieve automatic docking and adjustment of the piles, and uses an erecting device and supports to achieve rapid fixing and lowering of the piles.

Benefits of technology

It enables quick and safe completion of pile splicing operations without the need for a crane, reducing platform load and costs, improving operational efficiency and safety, and allowing the pile height to be adjusted to ensure platform stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the field of offshore splicing, and discloses a kind of offshore crane-free splicing device, including platform, four corners of platform top are equipped with splicing device, can be spliced to pile body operation, splicing device is fixed on platform, splicing device inside is hollow structure, splicing device and the passage formed in platform inside, channel is equipped with pile body, pile body can be lowered into water by passage, splicing device both sides are equipped with splicing seat, splicing seat inside is equipped with hydraulic rod, hydraulic rod is welded fixed groove, one side of vertical device is equipped with support, support is used to store the pile body of splicing, support is horizontally placed or is made into slope form, support end portion is slightly higher than vertical device bottom plate or with its bottom plate at the same level, can ensure that pile body is moved from support to vertical device smoothly, the inside of the support is equipped with pusher, can move pile body, platform upper portion is equipped with motor, power is provided for offshore crane-free splicing device.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of offshore pile splicing, and discloses an offshore pile splicing device without crane. BACKGROUND

[0002] With the continuous development of engineering construction technology, more and more pre-survey of large water projects such as port engineering and bridge requires better and more efficient water survey equipment to complete the survey drilling task, so it is an innovative act to introduce the self-elevating drilling platform technology used in the field of offshore oil engineering into the survey of port and navigation engineering construction. On the one hand, the self-elevating platform can provide an operation environment not affected by wind, wave and current for water survey activities as the platform rises out of the water. On the other hand, the combined main platform structure can also greatly reduce the platform weight and cost. The self-elevating drilling platform used in offshore oil engineering is an integral structure welded together, whether the pile leg is a circular pipe or a triangular or quadrilateral lattice structure. In order to ensure the self-elevating capacity of the self-elevating survey platform and reduce the cost, no hoisting equipment is arranged on the platform to avoid increasing the weight and reducing the platform lifting variable load capacity. Otherwise, the lifting capacity of the pile leg needs to be improved to meet the platform lifting variable load requirement, which undoubtedly greatly increases the cost. In the case of no platform crane, considering the stability during towing and the different water depth requirements for the length of the pile leg, it is necessary to arrange a pile splicing device on the platform to connect the pile leg without crane on the water.

[0003] However, the prior art patent has the following disadvantages:

[0004] (1) The prior art patent needs to use a crane to hoist the pile body to the specified position for pile splicing, which increases the load of the platform and makes it difficult to align the interfaces of the two pile bodies, and manual adjustment is required, which is low in efficiency, complicated in process and high in cost.

[0005] (2) The pile body in the prior art patent is usually a whole pile body, and the height of the pile body left above the platform cannot be adjusted, which is too high and may cause instability of the platform. SUMMARY

[0006] The present application aims to provide an offshore pile splicing device without crane, which can not only achieve simple and rapid pile splicing without crane, but also has simple manufacturing process, low cost, repeatability, adjustable height and improved safety.

[0007] The present application provides the following technical scheme in order to solve the above technical problems: a pile connecting device without crane on the sea, the platform is a floating body structure, and a pile connecting device is arranged at the upper four corners of the platform, the pile connecting device is fixed on the connecting platform, the pile connecting device is a hollow structure, a channel is formed between the pile connecting device and the platform, a pile body is arranged in the channel, pile connecting seats are arranged on the two sides of the pile connecting device, hydraulic rods are arranged in the pile connecting seats, the hydraulic rods are welded with fixing grooves, clamping devices are arranged at the ends of the hydraulic rods, the clamping devices are arranged between the two hydraulic rods, a vertical device is arranged on one side of the pile connecting device, supports are arranged on one side of the vertical device, pushing devices are arranged in the supports, the pile bodies are placed on the supports, and motors are arranged on the upper part of the platform.

[0008] Further, the vertical device comprises a bottom plate, the bottom plate is in the form of a circular arc, which can clamp the pile body to prevent the pile body from sliding, the bottom plate is slightly higher than or at the same height as the top of the pile connecting device, support rods are arranged at the lower end of the bottom plate, the support rods are fixed on the platform, the support rods are two, clamping grooves are arranged at the upper part of the support rods, telescopic columns are arranged in the clamping grooves, the telescopic columns are rotatably connected to the clamping grooves at the bottom end, and the telescopic columns are connected to the bottom plate at the upper end.

[0009] Further, the clamping device comprises telescopic rods, the telescopic rods are two, the telescopic rods are arranged on the two sides of the inner wall of the clamping device respectively, connecting grooves are arranged at the two ends of the outer side of the clamping device, the connecting grooves are hollow, and the connecting grooves are welded to the top end of the hydraulic rods.

[0010] Further, the support is horizontally placed or formed in the form of an inclined slope, the end of the support is slightly higher than or at the same horizontal plane as the bottom plate of the vertical device, so that the pile body can be smoothly moved from the support to the vertical device, the pushing device comprises a pushing rod, limit openings are arranged at the upper end of the pushing rod, the limit openings are a plurality of, transmission shafts are arranged at the two ends of the bottom of the pushing rod, transmission rods are arranged on the transmission shafts, the transmission shafts are two, and the transmission shafts are clamped to the two ends of the transmission rod.

[0011] Further, the pile body is provided with clamping blocks on the two sides of the surface, the clamping blocks are a plurality of, and clamping grooves are arranged between every two clamping blocks.

[0012] Further, the pile body is arranged on the limit opening, the telescopic rod is clamped to the clamping groove, and the two pile bodies are connected through bolts.

[0013] Use process:

[0014] The survey platform is assembled on the shore and put into water to float, the uninstalled pile body is horizontally placed on the support beside the vertical pile on which the pile shoe and part of the pile body are installed, the limiting block on the support is opened, the pile body is slowly moved into the circular arc slot horizontally placed on the vertical device through horizontal rolling, the pile body is clamped by the arc-shaped bottom plate, then the vertical device is started, the telescopic column is extended to slowly lift the arc-shaped bottom plate to 90 degrees, the pile body on the bottom plate is immediately erected, because the bottom plate is flush with the top of the pile connecting device and the supporting rod is close to the pile connecting device, the pile body is directly above the pile body in the pile connecting device after being erected, then the two pile bodies are connected through the bolts, then the pile connecting device will sequentially lower the lower pile body into the sea to realize the lifting of the platform.

[0015] Compared with the prior art, the beneficial effects achieved by the present application are:

[0016] (1) The pile connecting device provided by the present application has a simple structure and is easy to produce, process and manufacture. The pile connecting process can be completed through simple manual operation without the use of a crane, which not only reduces the load bearing of the platform but also saves a large amount of expenditure, improves efficiency and safety. The present application can fix the pile body through the setting of the pile connecting device. The pile body has a pile connecting seat, which can limit the position of the pile body. The upper end of the pile body is provided with a clamping device, which can fix the pile body and lower the pile body, greatly saving labor and improving safety.

[0017] (2) The present application is provided with a vertical device, which includes a bottom plate. The lower end of the bottom plate is provided with a supporting rod. The upper part of the supporting rod is provided with a telescopic column. The telescopic column can be telescopic to slowly rotate the bottom plate, thereby standing up the pile body on the bottom plate and aligning with the lowered pile body. No crane is needed, which saves resources and is more efficient.

[0018] (3) The present application can quickly send the pile body to the pile connecting device through the pushing device. The pushing device includes a pushing rod. The upper end of the pushing rod is provided with a limiting port, which can fix the pile body to prevent it from rolling. The bottom of both ends of the pushing rod is provided with a rotating shaft. The rotating shaft is provided with a transmission rod. The rotation of the rotating shaft can drive the pushing rod to move, thereby driving the pile body to move. The transmission rod can keep the two transmission shafts moving in unison, greatly improving the efficiency of pile body transportation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the offshore crane-free pile connecting device of the present application;

[0020] Figure 2 It is a clamping device structure schematic view of the offshore crane-free pile connecting device of the present application;

[0021] Figure 3 It is a pushing device moving structure schematic view of the offshore crane-free pile connecting device of the present application;

[0022] Figure 4 A marine pile receiving device without crane Figure 1 Enlarged view of the local structure at A in FIG. 2;

[0023] Figure 5 A marine pile receiving device without crane Figure 1 Enlarged view of the local structure at B in FIG. 2;

[0024] Wherein: 1, base; 2, pile receiving device; 21, pile receiving seat; 22, hydraulic rod; 23, clamping device; 231, telescopic rod; 232, connecting groove; 3, erecting device; 31, bottom plate; 33, support rod; 331, clamping groove; 34, telescopic column; 4, bracket; 41, pushing device; 411, pushing rod; 412, limiting port; 413, transmission shaft; 414, transmission rod; 5, pile body; 51, clamping block; 52, clamping groove; 6, motor. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0026] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0027] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application.

[0028] Embodiment one

[0029] As Figures 1 to 5As shown, a marine crane-free pile receiving device includes a platform 1, the platform 1 is a floating structure, four corners of the platform 1 are provided with a pile receiving device 2, the pile receiving device 2 can perform pile receiving operation on a pile body 5, the pile receiving device 2 is fixed on the platform 1, the pile receiving device 2 is a hollow structure, the pile receiving device 2 and the platform 1 form a channel, the channel is provided with the pile body 5, the pile body 5 can be lowered into the water through the channel, the pile receiving device 2 is provided with a pile receiving seat 21 on both sides, the pile receiving seat 21 is provided with a hydraulic rod 22 inside, the hydraulic rod 22 is welded and fixed in a groove, the hydraulic rod 22 is provided with a clamping device 23 at the end, the clamping device 23 is located between the two hydraulic rods, the hydraulic rod 22 can be telescopic, thereby driving the clamping device to move in the vertical direction, the pile receiving device 2 is provided with an erecting device 3 on one side, the erecting device 3 can make the pile body 5 stand vertically above the pile body 5 below, the erecting device 3 is provided with a support 4 on one side, the support 4 is used to store the pile body to be received, the upper end of the support 4 and the upper end of the erecting device 3 are located on the same horizontal plane, so as to ensure that the pile body 5 can be smoothly moved from the support 4 to the erecting device 3, the support 4 is provided with a pushing device 41 inside, the pushing device 41 can move the pile body 5, the pile body 5 is placed above the support 4, and the platform 1 is provided with a motor 6 at the upper portion, thereby providing power for the marine crane-free pile receiving device.

[0030] The erecting device 3 includes a bottom plate 31, the bottom plate 31 is in a circular arc shape, which can clamp the pile body 5 to prevent the pile body 5 from sliding, the bottom plate 31 is horizontally placed and slightly higher than or located on the same height as the top of the pile receiving device 2, so as to facilitate alignment of the interfaces at both ends of the pile body, the bottom plate 31 is provided with a support rod 33 at the lower end, the support rod 33 is provided with a clamping groove 331 at the upper portion, the clamping groove 331 is provided with a telescopic column 34 inside, the telescopic column 34 is rotatably connected to the clamping groove 331 at the bottom end, the telescopic column 34 is connected to the bottom plate 31 at the upper end, and the telescopic column 34 can be telescopic, thereby driving the bottom plate to rotate and vertically erecting the pile body 5.

[0031] In use, the telescopic column 34 can drive the bottom plate 31 to rotate, the pile body 5 on the bottom plate 31 is immediately erected, because the bottom plate 31 is flush with the top of the pile receiving device 2 and the support rod 33 is adjacent to the pile receiving device 2, so that after the pile body 5 is erected, the pile body 5 is located above the pile body 5 inside the pile receiving device 2, and the pile bodies 5 are connected by bolts.

[0032] Embodiment two

[0033] As Figures 1 to 5As shown, the surface of the pile body 5 is provided with clamping blocks 51, and a plurality of clamping blocks 51 are provided between every two clamping blocks, and a clamping groove 52 is arranged between every two clamping blocks, and the clamping groove 52 is used for fixing the pile body 5, and the pile body 5 is located on the limiting opening 412, and the arc surface of the limiting opening 412 is attached to the surface of the pile body 5, and the telescopic rod 231 can be clamped to the inside of the clamping groove 52, and the clamping device 23 comprises the telescopic rod 231, and the telescopic rod 231 can be telescoped under the control of the motor 6, and the telescopic rod 231 is located on the inner wall of the clamping device 23, and the motor drives the telescopic rod 231 to be telescoped, so that the top of the telescopic rod 231 can enter the inside of the clamping groove 52, and the pile body 5 can be lifted, and the clamping device 23 is provided with a connecting groove 232 at the two ends of the outer side, and the connecting groove 232 is hollow, and the hydraulic rod 22 is welded to the connecting groove 232, so that the hydraulic rod can be telescoped, and the clamping device 23 can be driven to move up and down, and the pile body 5 can be driven to move, and the pile body 5 can be placed into the water.

[0034] The support 4 is horizontally placed or formed in a slope form, and the end of the support 4 is slightly higher than the bottom plate 31 of the vertical device or located on the same horizontal plane as the bottom plate, so that the pile body 5 can be smoothly moved from the support 4 to the vertical device 3, and the pushing device 41 comprises a pushing rod 411, and the upper end of the pushing rod 411 is provided with a limiting opening 412, and the limiting opening 412 can prevent the pile body 5 from rolling, and the bottom of the two ends of the pushing rod is provided with a transmission shaft 413, and the transmission shaft 413 is provided with a transmission rod 414, and the transmission rod 414 can keep the two transmission shafts 413 synchronous, and the transmission shaft 413 is rotated to lift the pile body 5 from the support 4 and push it forward, so that the automatic transportation of the pile body 5 can be realized, and the support 4 is located on the same horizontal plane as the bottom plate 31, so that the pile body 5 can be pushed onto the bottom plate 31.

[0035] During use, the transported pile body is placed on the support 4, and the pushing device 41 will push the pile body 5 onto the bottom plate 31 in sequence, and then the bottom plate 31 will clamp the pile body 5, and the vertical device 3 will be used to vertically lift the pile body, and the pile bodies are connected, and then the pile connecting device 2 will sequentially lower the pile bodies 5 below into the sea, so that the platform can be lifted.

[0036] The above describes the present application and its embodiments, and the description is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, and without departing from the purpose of the present application, similar structural modes and embodiments can be designed without creativity, and all of them shall belong to the protection scope of the present application.

[0037] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Finally, it should be noted that the above-mentioned only constitutes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalent replacements, and improvements of the technical solutions described in the foregoing embodiments can be made. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall fall within the scope of the present application.

Claims

1. Offshore craneless pile splicing device comprising a platform (1), characterized in that: The platform (1) is a floating body structure, and a pile receiving device (2) is arranged above four corners of the platform (1), the pile receiving device (2) is fixed on the platform (1), the pile receiving device (2) is a hollow structure, a channel is formed between the pile receiving device (2) and the platform (1), a pile body (5) is arranged in the channel, pile receiving seats (21) are arranged on both sides of the pile receiving device (2), hydraulic rods (22) are arranged in the pile receiving seats (21), the hydraulic rods (22) are welded with fixing grooves, clamping devices (23) are arranged at the ends of the hydraulic rods (22), the clamping devices (23) are arranged between the two hydraulic rods, an erecting device (3) is arranged on one side of the pile receiving device (2), a support (4) is arranged on one side of the erecting device (3), a pushing device (41) is arranged in the support (4), the pile body (5) is placed above the support (4), a motor (6) is arranged on the upper portion of the platform (1), and the erecting device (3) lifts the pile body (5) to be erected above the pile body (5) in the pile receiving device (2). The support (4) is horizontally arranged or is formed in a slope form, the end of the support (4) is slightly higher than the bottom plate (31) of the erecting device or is located at the same horizontal plane as the bottom plate, so that the pile body (5) can be smoothly moved from the support (4) to the erecting device (3), the pushing device (41) comprises a pushing rod (411), limit openings (412) are arranged at the upper end of the pushing rod (411), a plurality of limit openings (412) are arranged, transmission shafts (413) are arranged at the bottoms of the two ends of the pushing rod, transmission rods (414) are arranged on the transmission shafts (413), and two transmission shafts (413) are arranged to clamp the two ends of the transmission rod (414). The erecting device (3) comprises a bottom plate (31), the bottom plate (31) is in an arc shape, the arc shape can clamp the pile body (5) to prevent the pile body (5) from sliding, the bottom plate (31) is slightly higher than the top of the pile receiving device (2) or is located at the same height as the top, support rods (33) are arranged at the lower end of the bottom plate (31), the support rods (33) are fixed on the platform (1), the support rods (33) are arranged in pairs, clamping grooves (331) are arranged at the upper portions of the support rods (33), telescopic columns (34) are arranged in the clamping grooves (331), the telescopic columns (34) are rotationally connected to the clamping grooves (331) at the bottom ends, and the telescopic columns (34) are connected to the bottom plate (31) at the upper ends.

2. A marine freeboard pile splicing device according to claim 1, characterised in that: The clamping device (23) comprises telescopic rods (231), the telescopic rods (231) are arranged in pairs, the telescopic rods (231) are arranged on the inner walls of the clamping device (23), respectively, connecting grooves (232) are arranged at the two ends of the clamping device (23) on the outside, the connecting grooves (232) are hollow, and the hydraulic rods (22) are welded to the connecting grooves (232) at the top ends.

3. A marine freeboard pile splicing device according to claim 1, characterized in that: Card blocks (51) are arranged on the surfaces of the pile bodies (5), a plurality of card blocks (51) are arranged, and a card groove (52) is arranged between every two card blocks.

4. A marine freeboard spudlegging device according to claim 3, characterised in that: The pile body (5) is located on the limiting port (412), the telescopic rod (231) is clamped in the clamping groove (52), and the two pile bodies (5) are connected through bolts.

Citation Information

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