Recessed Clamping Block for Foundation Element Insertion
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Solution Overview
Problem
Existing clamping devices for driving foundation elements into the ground are inefficient due to their solid, block-like design, which leads to internal damping effects and high material usage, hindering efficient energy transfer and requiring excessive weight.
Innovation Solution
The clamping block design incorporates internal recesses bounded by side wall areas extending along and transverse to the insertion direction, allowing for targeted energy transfer and significant material savings, resulting in a more efficient and lightweight structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a solid, block-like clamping block design is used, then the clamping device has high strength and robustness, but it causes internal damping effects that reduce energy transfer efficiency and requires excessive material usage
Solution Approach 1:
The clamping block is segmented by introducing internal recesses that divide the solid structure into separate wall regions. These recesses create a non-solid, hollowed-out configuration that eliminates internal damping while maintaining structural integrity. The segmentation allows energy to be transmitted more efficiently through the remaining material without being absorbed by internal friction in solid masses.
Solution Approach 2:
The clamping block is transformed from a solid material structure to a porous-like structure with internal recesses and cavities. This porous configuration reduces the quantity of material while maintaining sufficient strength for clamping. The hollowed-out design prevents internal damping effects that occur in solid materials, thereby improving energy transfer efficiency from the vibration drive to the foundation element.
2Strength
If a solid, block-like clamping block design is used, then the clamping device has high strength, but it results in high weight and reduced energy transfer efficiency
Solution Approach 1:
The clamping block structure is segmented through internal recesses that remove unnecessary material while preserving the load-bearing wall regions. This segmentation maintains the strength required for clamping the foundation element securely, while significantly reducing the overall weight of the clamping device. The remaining walls are positioned to optimize both strength and energy transmission pathways.
Solution Approach 2:
The transition from solid to porous-like structure with internal recesses reduces the weight of the clamping block while maintaining sufficient strength. The hollowed-out configuration eliminates excess material that contributes to weight but not to functional strength, achieving a favorable strength-to-weight ratio that improves energy transfer efficiency and reduces the moving mass of the clamping device.
3Loss of energy
If internal recesses are introduced in the clamping block, then material usage is reduced and energy transfer is improved, but the structural complexity increases
Solution Approach 1:
The internal recesses are designed as systematic segmented features rather than random cavities. The segmentation creates repeatable geometric patterns that, while more complex than a solid block, follow regular structural logic that simplifies manufacturing. The recesses are positioned to align with energy transmission pathways, creating a structured complexity that serves functional purposes while remaining manufacturable.
4Weight of moving object
If internal recesses are introduced in the clamping block, then weight is reduced by up to 25%, but the manufacturing complexity increases
Solution Approach 1:
The internal recesses are designed as segmented features that can be manufactured using standard machining or molding processes. The segmentation creates discrete cavities that are easier to manufacture than attempting to create complex internal geometries. The regular spacing and orientation of recesses allow for efficient manufacturing workflows, reducing the impact of added complexity on ease of manufacture.
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
This design enhances energy transfer efficiency, reduces material usage by up to 25%, and achieves weight savings of approximately 75 kg with smaller devices, enabling deeper foundation element penetration with the same drive power.
Implementation Method 1
The power generation device produces directed vibrations with which the foundation element is driven or driven into the ground
Implementation Method 2
massive inner areas, especially when transmitting vibrations due to internal friction, can even lead to an undesirable internal damping effect
Data Source
Figure 1~6
Figure 7
AI summary
The invention relates to an installation device for inserting a foundation element into the ground, in particular a vibrator or sheet pile press, comprising a force-generating device designed to generate a force for driving the foundation element into the ground in an insertion direction, and a clamping device arranged on an underside of the force-generating device and designed for clamping the foundation element, wherein the clamping device has a clamping bracket for attachment to the force-generating device and two clamping jaws arranged on the clamping bracket, and wherein at least one clamping jaw is displaceable in a clamping direction transverse to the insertion direction by means of a clamping drive for clamping the foundation element.According to the invention, the clamping block has at least one inner recess spaced apart from the clamping jaws, which extends inside the clamping block and is bounded by at least two side wall areas which extend along the insertion direction and are opposite each other transversely to the insertion direction.