CN219033211U - Movable pile turning mechanism - Google Patents
Movable pile turning mechanism Download PDFInfo
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- CN219033211U CN219033211U CN202222416144.8U CN202222416144U CN219033211U CN 219033211 U CN219033211 U CN 219033211U CN 202222416144 U CN202222416144 U CN 202222416144U CN 219033211 U CN219033211 U CN 219033211U
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Abstract
The utility model provides a portable pile mechanism that turns over, turns over the stake support and sets up the pile holder at the pile bolck including setting up the removal at the stake tail, removes to turn over the stake support and includes a base that can remove, is equipped with the vertical support pole on the base, the height of bracing piece is less than the steel-pipe pile internal diameter. The pile clamping device is provided with a lifting frame, a plurality of clamping mechanisms for clamping the pile wall of the steel pipe pile are arranged below the lifting frame, and lifting lugs are arranged on the lifting frame. According to the utility model, the steel pipe pile is turned over by means of the movable pile turning support, pile turning is not needed, the time of a main crane is not occupied, and the construction efficiency and the safety are improved to a certain extent. The possible safety and quality risks in the pile pouring process are avoided. The movable bracket has the characteristics of light weight and small volume, can be matched with small cranes such as a crane for installation work, can be repeatedly used among different transport vessels, and is flexible and convenient to use.
Description
Technical Field
The utility model relates to the technical field of wind power engineering, in particular to a movable pile turning mechanism.
Background
At present, two development trends are established for offshore wind farms: firstly, the construction water depth is developed from near-shallow sea belts to deep and open sea, for example, the water depth of a project under construction or under construction in recent years in Guangdong province reaches 30-40 meters; secondly, the single-machine capacity of the fan is continuously increased, and the unit is gradually enlarged. The foundation of the offshore wind turbine has the advantages that new requirements are put into practice, and the foundation forms of the offshore wind turbine are single pile type, high pile bearing type, gravity type, negative pressure bucket type, conduit frame type and the like, wherein the conduit frame type foundation is simple in structure, safe and reliable, high in construction speed and low in required construction equipment requirements, and in recent years, four-pile conduit frame type fan foundations are mostly adopted in wind power plant projects in deep sea areas.
The four-pile jacket foundation construction technology adopted at home comprises a steel pipe pile turning-over procedure, the main flow turning-over technology adopts a fixed pile turning-over tool, the technology needs to transport the lower steel pipe pile to the tool position after finishing pile turning over every time, a main crane is needed in the pile turning-over process, and the pile wall abrasion, the pile conveying tool collision damage and the like are possibly caused.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and provides a movable pile turning mechanism for improving construction efficiency and safety.
The utility model aims to solve the technical problems by adopting the following technical scheme, and the movable pile turning mechanism is characterized in that:
comprises a movable pile turning support arranged at the pile tail and a pile clamping device arranged at the pile top,
the movable pile turning support comprises a movable base, wherein a vertical supporting rod is arranged on the base, and the height of the supporting rod is smaller than the inner diameter of the steel pipe pile.
The pile clamping device is provided with a lifting frame, a plurality of clamping mechanisms for clamping the pile wall of the steel pipe pile are arranged below the lifting frame, and lifting lugs are arranged on the lifting frame.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the back of the supporting rod is provided with an inclined strut, and the front of the supporting rod is provided with a movable skid.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the skid comprises a flat skid flatly arranged on a base and a vertical skid standing at a supporting rod.
The technical problem to be solved by the utility model can be further solved by the following technical scheme that the base is connected with the deck of the ship through spot welding.
The beneficial effects of the utility model are as follows:
(1) The pile tip is provided with the support, and the pile top is directly lifted by the pile clamp, so that the pile turning process has higher efficiency than the traditional pile turning process of other steel pipe piles. However, due to the limitation of deck conditions of the steel pipe pile transport ship, a fixed bracket can be manufactured on the deck, so that the pile needs to be inverted once before the steel pipe pile is lifted and turned over, and a great amount of main crane time is occupied in the pile inverting process. The pile turning process of the movable support saves pile pouring time and improves pile sinking construction efficiency.
(2) The possible safety and quality risk of pile pouring in-process are avoided: the position of the lifting belt, which is wound around the steel pipe pile before lifting, is not well adjusted, so that the lifting belt is rubbed with the steel pipe pile after being tightened, the steel pipe pile rotates to rub a transportation tool, and the lifting belt and the anti-corrosion paint on the pile wall are worn.
(3) The use is flexible and convenient. The movable support has the characteristics of light weight and small volume, can be matched with small cranes such as crane cranes to carry out installation work, and can be repeatedly used among different transport vessels.
Drawings
FIG. 1 is a schematic diagram of a movable pile turning support structure;
FIG. 2 is a schematic view of a pile gripper structure;
FIG. 3 is a clamping state diagram of the pile clamp;
fig. 4 is an effect diagram of the turning process of the movable bracket.
Description of the embodiments
The following further describes the specific technical solutions of the present utility model, so that the purpose, technical solutions and advantages of the embodiments of the present utility model will be more apparent to those skilled in the art to further understand the present utility model, and the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments, but not limitations on the claims thereof. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
A movable pile turning mechanism,
comprises a movable pile turning support arranged at the pile tail and a pile clamping device arranged at the pile top,
the movable pile turning support comprises a movable base 2, wherein a vertical support rod 1 is arranged on the base, and the height of the support rod is smaller than the inner diameter of a steel pipe pile 8.
The pile clamping device is provided with a hoisting frame 5, a plurality of clamping mechanisms 7 for clamping pile walls of the steel pipe piles are arranged below the hoisting frame, and lifting lugs 6 are arranged at the top of the hoisting frame.
The back of the supporting rod is provided with an inclined strut 4, and the front of the supporting rod is provided with a movable skid 3.
The skids comprise a flat skids which are horizontally placed on the base and a vertical skids which are vertically arranged at the supporting rods.
The utility model relates to a novel turning clamp for a steel pipe pile of a marine wind power jacket foundation, which is used for turning construction of the steel pipe pile of the jacket foundation. Specifically, a pile clamping device is arranged at the pile top, a movable pile turning support is arranged at the pile tail, and the pile clamping device and the pile turning support are matched for construction to quickly turn over the steel pipe pile. And after turning over, when the main crane is used for inserting piles, small cranes such as crane on a crane ship can be utilized to dismantle and reinstall the movable pile turning support, so that the pile turning process is avoided.
The main stress components of the movable support are a supporting rod and an inclined strut, and are formed by double splicing of 700H-shaped steel; the base steel plate is a steel plate with the size of 2m multiplied by 3m and the thickness of 3cm, and is in spot welding with a deck of a transport ship during working; in order to prevent the pile tip from deforming in the pile turning process, the pile tip is not in direct contact with steel, but a hardwood square is arranged between the pile tip and the upright rod as well as between the pile tip and the bottom plate, so that the pile tip is protected.
It should be noted that the upright hardwood should be fixed with the upright posts by using iron wires, so as to prevent the upright hardwood from falling down due to ship fluctuation; the laying direction of the flat battens between the pile tips and the bottom plate is consistent with the length direction of the steel pipe piles, otherwise, the pile tips can be scattered in the pile turning process, and the pile tips can be directly contacted with the bottom plate.
The main construction process of the novel offshore wind power jacket foundation steel pipe pile turning process (method) comprises the steps of moving pile turning support installation, steel pipe pile turning and moving pile turning support displacement.
(1) Movable pile turning support mounting
After the steel pipe pile transport ship arrives at the site berthing crane ship, the crane is used for hoisting the movable support to the position of the pile tip of the steel pipe pile to be turned over in the pile lifting preparation engineering, and the traction rope can be tied on the support through holes, so that the support can be conveniently and quickly dropped.
After the support falls to a position and the pile tip is confirmed to be propped against the vertical hardwood, the hardwood is paved between the steel pipe pile and the support bottom plate until the height of the hardwood is close to the bottom of the pile tip, and spot welding can be carried out on the bottom and the deck of the transport ship in the process.
(2) Turning over of steel pipe pile
The pile clamping device is adjusted in advance to form a gap between clamping teeth, the pile clamping device is horizontally placed on a deck of a crane ship, a crane or a crawler crane on the ship is matched with a main crane to turn over the pile clamping device, and the main crane is used for hanging the pile clamping device to the pile top of a steel pipe pile of a transport ship after the pile clamping device is vertical.
The worker on the transport ship utilizes the cable wind rope arranged on the pile clamping device in advance to adjust the angle of the pile clamping device, the pile tail is provided with an anchor machine, the steel wire rope penetrates through the steel pipe pile to pull the pile clamping device, all clamping teeth are tightly attached to the pile wall and then press the clamping teeth, the clamping teeth clamp the pile wall, and then the steel pipe pile is directly lifted to a vertical posture from a lying posture slowly by the lifting hook. In the hooking process, the cooperation of the lifting height and rotation of the crane is noted, so that the steel pipe pile is prevented from being excessively horizontally forced.
(3) Moving pile turning support
After the steel pipe pile leaves the space on the transport ship, a worker carries a cutting gun and a welding machine to cut welding spots between the movable support and a deck of the transport ship, then the steel pipe pile is hung to the pile tip of the next steel pipe pile to be constructed by using a steel wire rope at the top of the crane hanging support on the ship, and after the support is positioned, the bottom plate and the deck are subjected to spot welding.
In the whole construction process of the four-pile jacket foundation, pile sinking of the steel pipe piles is the sub-project with the most complex process and the longest time consumption, and turning over of the steel pipe piles is one of the procedures with more time consumption in the pile sinking construction process. The sea condition of the deep sea area is complex, the number of days for annual operation is small, the construction window period is precious, a great amount of ship machine cost and construction period are saved in order to fully utilize the construction window period, and a pile turning process needs to be explored and continuously optimized, so that the construction efficiency of a four-pile jacket foundation is improved.
According to the utility model, the steel pipe pile is turned over by means of the movable pile turning support, pile turning is not needed, the time of a main crane is not occupied, and the construction efficiency and the safety are improved to a certain extent.
Claims (4)
1. The utility model provides a portable pile mechanism that turns over which characterized in that:
comprises a movable pile turning support arranged at the pile tail and a pile clamping device arranged at the pile top,
the movable pile turning support comprises a movable base, wherein a vertical support rod is arranged on the base, and the height of the support rod is smaller than the inner diameter of the steel pipe pile;
the pile clamping device is provided with a lifting frame, a plurality of clamping mechanisms for clamping the pile wall of the steel pipe pile are arranged below the lifting frame, and lifting lugs are arranged on the lifting frame.
2. The mobile pile turning mechanism of claim 1, wherein: the back of the supporting rod is provided with an inclined strut, and the front of the supporting rod is provided with a movable skid.
3. The mobile pile turning mechanism of claim 2, wherein: the skids comprise a flat skids which are horizontally placed on the base and a vertical skids which are vertically arranged at the supporting rods.
4. The mobile pile turning mechanism of claim 1, wherein: the base is connected with the deck of the ship through spot welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222416144.8U CN219033211U (en) | 2022-09-13 | 2022-09-13 | Movable pile turning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222416144.8U CN219033211U (en) | 2022-09-13 | 2022-09-13 | Movable pile turning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219033211U true CN219033211U (en) | 2023-05-16 |
Family
ID=86315995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222416144.8U Active CN219033211U (en) | 2022-09-13 | 2022-09-13 | Movable pile turning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219033211U (en) |
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2022
- 2022-09-13 CN CN202222416144.8U patent/CN219033211U/en active Active
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