Demountable Balancing Strap Anchor With Multi-Angle Peg Holes
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Solution Overview
Problem
Existing devices for supporting and anchoring balancing bands, such as drill anchors, face challenges in hard and soft soils, including insufficient holding power, time-consuming installation, and deformation under tensile forces, especially when used for higher loads or in sandy soils.
Innovation Solution
A demountable and portable device with a base body and pegs that can be easily driven into the ground using a sledgehammer, featuring specific hole arrangements and angles to distribute tensile forces effectively, reducing the tendency to lever out and providing high holding power across various soil types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If drill anchors are screwed into hard soil or stone-interpersed soil, then anchoring is achieved, but the process is time-consuming and requires great effort with insufficient holding power
Solution Approach 1:
The base body is divided into multiple sections with holes arranged at different angles and positions. Instead of a single anchoring point, the device uses multiple pegs inserted into different holes, distributing the anchoring function across several segments. This segmentation allows efficient installation in hard soils while maintaining high holding power through distributed force transfer.
Solution Approach 2:
The holes in the base body are arranged asymmetrically with different angles relative to the longitudinal axis. The first hole has a different angle than the second hole, creating an asymmetric pattern that optimizes force distribution in hard, stone-interpersed soils. This asymmetric arrangement enables quick peg insertion while achieving superior holding power compared to symmetric designs.
2Strength
If drill anchors are used in soft or sandy soils, then anchoring is attempted, but the holding power is insufficient for normal applications
Solution Approach 1:
Different holes in the base body have different local qualities in terms of their angles and positions. The first hole is oriented at one angle while the second hole is oriented at a different angle, creating local variations in force application. This local quality differentiation allows the device to adapt to soft and sandy soils by distributing forces across multiple orientations, achieving sufficient holding power where single-point anchoring fails.
Solution Approach 2:
The device transitions from single-dimensional (single-angle) anchoring to multi-dimensional anchoring by incorporating holes at different angles in three-dimensional space. This dimensional expansion allows pegs to be inserted at various orientations, creating a multi-vector force distribution system that effectively anchors in soft and sandy soils where traditional single-angle anchors fail.
3Strength
If ground anchors are used, then anchoring is achieved, but the device tends to lever out in the rear area requiring additional rear guying
Solution Approach 1:
The device merges the anchoring function and the anti-levering function into a single integrated base body structure. By combining multiple holes at different angles and positions within one base body, the device simultaneously achieves anchoring strength and resistance to levering out, eliminating the need for separate rear guying components.
Solution Approach 2:
The base body serves multiple functions: it provides anchoring through peg insertion, resists levering forces through its multi-angle hole arrangement, and distributes tensile forces across multiple insertion points. This multi-functionality allows a single component to replace what would traditionally require multiple separate elements (anchor plus rear guying), achieving both anchoring strength and stability against levering.
4Adaptability or versatility
If ground anchors are used for horizontal tensile forces, then anchoring is achieved, but they are not suitable for tensile forces at 20-30° upwards required for balancing belts
Solution Approach 1:
The device changes the geometric parameters of the hole arrangement to accommodate upward tensile forces at 20-30° angles. By configuring holes at specific angles relative to the longitudinal axis, the base body can effectively transfer upward forces to the ground through pegs, making it suitable for balancing belt applications where traditional horizontal-only anchors are inadequate.
Data Source
Figure 1~2D
Figure 3A~4D
Figure 5A~5D
AI summary
The invention relates to a device that can be dismantled and carried, for supporting and retaining balancing straps (1), comprising a strap support (2) and a strap-retaining device (4) that is arranged in the longitudinal direction (1') of the balancing strap (1), which strap-retaining device is connected to the balancing strap (1) by a connecting element (5), wherein the strap-retaining device (4) comprises a ground body (15) having at least three bores (16) for accommodating retaining elements (17), wherein the ground body (15) has at least one perpendicular bore having a right bore angle to the ground body longitudinal axis (18) and at least one slanted bore having a projected bore angle of 40-70° to the ground body longitudinal axis (18) and at least one additional perpendicular bore and/or slanted bore, wherein at least one bore pair crossed in a pair is formed in each case by two perpendicular bores and/or two slanted bores, which at least one bore pair has a projected bore angle of 40-70° to the ground body transverse axis (19) on the left and the right side of the ground body (15), and all possible individual bores that do not form a bore pair have a right bore angle to the ground body transverse axis (19).