Pivoting Vibratory Pile Driver for Offshore Crane-Free Installation
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Solution Overview
Problem
Vibratory pile drivers require time-consuming and costly crane operations to position piles vertically for driving, especially in offshore settings where piles are large and complex.
Innovation Solution
A vibratory pile driver equipped with a pivoting mechanism that allows the system to rotate from a horizontal loading position to a vertical pile driving position, eliminating the need for cranes by enabling direct coupling and decoupling of piles, and incorporating a suspendable feature, upending mechanism, and clamping/pick-up mechanisms for efficient pile handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a crane is used to position piles vertically before pile driving, then the pile can be positioned at the correct location, but the operational time and cost increase significantly
Solution Approach 1:
The patent combines the pile positioning function and pile driving function into a single integrated vibratory pile driver system. The device can both position the pile vertically and perform the driving operation without requiring separate crane operations, thereby reducing operational time while maintaining positioning accuracy.
Solution Approach 2:
The vibratory pile driver is designed as a multi-functional device that can perform multiple operations: positioning the pile vertically, clamping onto the pile, and executing the pile driving operation. This universal device replaces the need for separate specialized equipment like cranes for positioning, thus reducing both time and cost.
2Ease of operation
If a crane is used to position and disconnect piles, then the pile can be handled and positioned, but the process becomes costly and time-consuming
Solution Approach 1:
The patent merges the pile handling, positioning, and driving operations into a single integrated system. The vibratory pile driver directly engages with the pile and performs all necessary operations without requiring separate crane operations for positioning and disconnection, thereby improving productivity while maintaining ease of operation.
Solution Approach 2:
The vibratory pile driver is designed to perform its own positioning and engagement operations without requiring external crane assistance. The device can independently handle the pile, position it vertically, and begin the driving operation, making the system self-sufficient and eliminating the need for additional heavy equipment.
3Productivity
If the vibratory system is always in vertical position for pile driving, then the driving operation is effective, but the device cannot efficiently load horizontal piles
Solution Approach 1:
The patent introduces a pivoting mechanism that allows the vibratory system to dynamically change its orientation between horizontal and vertical positions. This dynamic adjustment capability enables the device to efficiently load horizontal piles and then transition to the vertical position required for effective pile driving, thus maintaining both loading efficiency and driving effectiveness.
Solution Approach 2:
The pivoting mechanism adds a rotational degree of freedom to the vibratory system, allowing it to operate in different spatial orientations. The system can pivot from a horizontal loading position to a vertical pile driving position, effectively utilizing another dimension of motion to achieve both loading and driving functions optimally.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Reduces operational time and costs by allowing direct vertical positioning and driving of piles without cranes, enhancing efficiency and safety in offshore operations.
Implementation Method 1
a vibratory system (2) for sinking the pile (13) into the ground by vibration
Implementation Method 2
at least the vibratory system (2) is rotatable from a loading position wherein the vibratory system (2) is horizontal to a pile driving position wherein the vibratory system (2) is vertical
Implementation Method 3
a clamping mechanism (3) for clamping the vibratory pile driver (1) to a pile (13) at least during a pile driving operation
Implementation Method 4
a pick-up mechanism (6) for raising and positioning a pile (13) ready to be driven
Data Source
Figure 1
Figure 2
Figure 3~3.3
AI summary
A vibratory pile driver comprising a vibratory system and at least a clamping mechanism for attaching the vibratory pile driver to a pile, wherein the vibratory pile driver is provided with a pivoting mechanism such that at least the vi- bratory system is rotatable from a loading position wherein the vibratory system is horizontal to a pile driving position wherein the vibratory system is vertical.