Modular Backhoe Tilt Attachment With Coaxial Pivot Control
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Solution Overview
Problem
Existing backhoes lack efficient mechanisms for precise bucket angle adjustment and control, leading to operational inefficiencies and increased downtime during tasks requiring variable site conditions.
Innovation Solution
A modular backhoe tilting attachment with a pivot mechanism allowing controlled lateral tilting of the bucket, featuring a coaxial joint actuated by a laterally offset piston, integrated with hydraulic systems for precise angle adjustments and real-time feedback.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a modular tilting attachment with pivot mechanism is added to enable precise bucket angle adjustment, then grading precision is improved, but device complexity increases
Solution Approach 1:
The attachment is divided into distinct modular components: a stationary rear portion with hooks and apertures for backhoe linkage coupling, and a rotatable front portion with bucket interface points. This segmentation allows precise tilting functionality to be isolated in a separate module that can be attached to or removed from the backhoe, enabling grading precision without permanently complicating the main backhoe structure.
Solution Approach 2:
A coaxial pivot joint serves as an intermediary mechanism between the stationary rear portion and the rotatable front portion. This pivot joint enables controlled lateral tilting of the bucket relative to the backhoe frame, providing the necessary grading precision while maintaining a relatively simple mechanical interface that integrates with existing backhoe systems.
2Measurement precision
If a coaxial pivot joint with laterally offset piston is used for bucket tilting, then bucket angle adjustment precision is improved, but ease of operation deteriorates
Solution Approach 1:
A laterally offset piston actuates the coaxial pivot joint to enable bucket tilting. The hydraulic or pneumatic actuation provides precise control over the pivot joint's rotation, achieving accurate bucket angle adjustment. The offset piston design allows the actuator to be positioned away from the pivot axis, improving operational ergonomics by reducing interference with the operator's control while maintaining precision through hydraulic/pneumatic force application.
3Loss of time
If the attachment is designed for easy field installation and removal, then operational downtime is reduced, but manufacturing precision may be compromised
Solution Approach 1:
The attachment's modular design with distinct stationary and rotatable portions enables quick field installation and removal. The standardized hooks, apertures, and interface points allow the attachment to be rapidly coupled to or detached from the backhoe without complex assembly procedures, minimizing operational downtime while maintaining manufacturing precision through standardized connection geometries.
Solution Approach 2:
The attachment is pre-assembled as a complete modular unit with all connection features (hooks, apertures, pivot joint, piston) already integrated and precision-machined. This preliminary assembly allows the entire attachment to be installed as a single unit in the field, reducing installation time while ensuring manufacturing precision is maintained during the factory assembly process rather than requiring precision work in the field.
4Adaptability or versatility
If the attachment interfaces with existing hydraulic systems, then compatibility is improved, but device complexity increases
Solution Approach 1:
The attachment is designed with universal interface features that are compatible with existing backhoe hydraulic systems. The standardized piston mounting, hydraulic port locations, and control mechanisms allow the attachment to integrate with various backhoe models without requiring custom hydraulic configurations. This universality enables compatibility across different equipment platforms while avoiding the complexity of custom hydraulic system design.
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
Enhances grading precision, reduces operational downtime, and improves compatibility with existing hydraulic systems, enabling efficient operation on uneven terrain and variable site conditions.
Implementation Method 1
A coaxial pivot joint allows relative rotation between these portions, actuated by a laterally offset piston connected transversely across the joint
Data Source
AI summary
Apparatus and associated methods relate to a modular backhoe tilting attachment that allows controlled lateral tilting of a bucket relative to the backhoe's frame through an integrated pivot mechanism. In an illustrative example, the attachment includes a stationary rear portion that couples to a backhoe linkage using oppositely disposed hooks and apertures, and a rotatable front portion that interfaces with a bucket at multiple points. A coaxial pivot joint allows relative rotation between these portions, actuated by a laterally offset piston connected transversely across the joint. Various embodiments may advantageously provide precise bucket angle adjustment and enable enhanced control in trench shaping or grading operations under variable site conditions.