Spray Anchor Net Support Testing for Realistic Impact and Load Layouts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing testing apparatuses for shotcrete-rock bolt-mesh support systems in underground engineering are limited to single-function designs and fail to accurately replicate the anchor rod layout under actual engineering support conditions, neglecting the overall mechanical properties and interaction of the support system components.
Innovation Solution
A testing apparatus and method that includes a main frame, lifting and transporting mechanism, mechanical testing mechanism, and monitoring mechanism, allowing for dynamic impact and static loading tests, with a movable mold group to simulate various anchor arrangements and layouts, and adjustable positioning to test the mechanical properties of shotcrete-rock bolt-mesh support systems under realistic conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If existing testing apparatuses focus on single support elements, then the testing device complexity is reduced, but the measurement precision of overall support system properties deteriorates
Solution Approach 1:
The testing apparatus is divided into multiple independent functional modules: loading device for applying forces, mold group for containing support elements, monitoring mechanism for data collection, and control system for coordination. Each module can be independently designed and adjusted, reducing overall device complexity while enabling comprehensive testing of support systems through coordinated operation of these segmented components
Solution Approach 2:
The testing apparatus is designed with multi-functional capabilities to test various support system configurations (single elements, combinations, different arrangements) using the same integrated platform. The loading device can apply different force types, the mold group can accommodate different support element arrangements, and the monitoring mechanism can measure multiple parameters simultaneously, thereby achieving high measurement precision without proportionally increasing device complexity
2Ease of operation
If existing equipment simulates simplified support conditions, then the ease of operation is improved, but the reliability of test results under actual engineering conditions deteriorates
Solution Approach 1:
The mold group is designed with movable and adjustable components that can be dynamically reconfigured to match different actual engineering support conditions. The support elements can be arranged in various patterns and positions within the mold, allowing the apparatus to transition from simplified to realistic configurations while maintaining ease of operation through standardized adjustment mechanisms
Solution Approach 2:
The testing apparatus enables change of critical parameters such as support element spacing, arrangement patterns, and loading conditions to match actual engineering scenarios. By adjusting these parameters through the standardized interface, the system maintains ease of operation while achieving high reliability in simulating real-world support conditions
3Measurement precision
If comprehensive support system testing is implemented, then the measurement precision of mechanical properties is improved, but the device complexity increases
Solution Approach 1:
A control system acts as an intermediary between the operator and the complex testing apparatus. This intermediary layer coordinates the loading device, mold group, and monitoring mechanism, automating complex operations and data collection processes. The control system manages the complexity internally while presenting a simplified interface to users, thereby enabling high measurement precision without proportionally increasing operational complexity
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
The apparatus accurately simulates the mechanical properties of shotcrete-rock bolt-mesh support systems, enabling comprehensive testing of dynamic impact and static loading, providing data for support design and selection of components under intense dynamic disturbances, and improving safety and reliability of underground engineering.
Implementation Method 1
the lifting and transporting mechanism is disposed on the main frame; the mechanical testing mechanism corresponds to a setting of the support system, configured to perform a dynamic impact testing or a static loading testing on the support system
Implementation Method 2
configured to perform a dynamic impact testing or a static loading testing on the support system
Data Source
AI summary
A testing device for mechanical properties of a spray anchor net support system, comprising a main frame (100), a lifting and transporting mechanism (200), a mechanical testing mechanism, a testing platform (500), and a monitoring mechanism (600). The lifting and transporting mechanism (200) is arranged on the main frame (100): the testing platform (500) comprises a mold set and a support assembly to be tested (530); the mold set is movably arranged on the main frame (100), and said support assembly (530) is arranged at the bottom end of the mold set, the mechanical testing mechanism is arranged corresponding to said support assembly (530) and is used for implementing a dynamic impact property test or a static mechanical property test on said support assembly (530); and the monitoring mechanism (600) is communicatively connected to the testing platform (500). The present invention further relates to a testing method for dynamic impact properties of a spray anchor net support system and a testing method for static mechanical properties of a spray anchor net support system.