Adjustable Rock Fracturing Loading Apparatus
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Solution Overview
Problem
Existing rock fracturing simulation apparatuses are unable to accommodate cylindrical core samples with different outer diameters and lack the ability to attach monitoring sensors to the core samples, leading to inefficient testing and distorted data.
Innovation Solution
A loading apparatus comprising an upper cover plate, lower cover plate, lateral pressure pieces, and an acoustic measurement module top pillar, which allows for adjustable radial force application and sensor attachment, enabling testing of cylindrical core samples with varying diameters and facilitating independent sample loading and cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If integrated loading apparatus is used, then structure is simplified, but adaptability to different core sample diameters deteriorates
Solution Approach 1:
The loading apparatus is divided into separate modular components: upper cover plate, lower cover plate, and lateral pressure pieces. Each component can be independently adjusted to accommodate different core sample diameters, resolving the contradiction between structural simplicity and adaptability.
Solution Approach 2:
The lateral pressure pieces are designed to be movable and adjustable rather than fixed. This dynamic design allows the apparatus to adapt to various core sample diameters while maintaining a relatively simple overall structure through modular configuration.
2Ease of manufacture
If fixed size loading apparatus is used, then manufacturing is simplified, but ease of operation deteriorates
Solution Approach 1:
By segmenting the loading apparatus into adjustable components (upper cover plate, lower cover plate, lateral pressure pieces), the design maintains manufacturing simplicity while significantly improving ease of operation through adjustability for different sample sizes.
Solution Approach 2:
The loading apparatus is designed with universal adjustability to handle different core sample diameters and types. This multi-functionality improves ease of operation across various testing scenarios without requiring multiple specialized apparatuses.
3Device complexity
If integrated loading apparatus is used, then structure is simplified, but ease of cleaning deteriorates
Solution Approach 1:
The segmented modular structure allows each component (upper cover plate, lower cover plate, lateral pressure pieces) to be easily separated and cleaned independently, improving ease of cleaning while maintaining structural simplicity through the modular design.
Solution Approach 2:
The loading apparatus components can be extracted or removed from the main system for cleaning purposes. This separation capability enables easy cleaning of each component without disassembling the entire integrated structure, resolving the contradiction between structural simplicity and ease of cleaning.
4Device complexity
If monitoring sensor cannot be attached to core sample, then apparatus structure is simplified, but measurement precision deteriorates
Solution Approach 1:
The lateral pressure pieces serve as intermediary structures that provide attachment points for monitoring sensors. These intermediaries enable sensor attachment to core samples without complicating the overall apparatus structure, as the sensors are mounted on the existing lateral pressure piece framework.
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
Enables accurate simulated loading tests on core samples of different diameters, allows for easy loading and unloading, and addresses the challenge of sensor attachment, improving the reliability and efficiency of rock fracturing simulation.
Implementation Method 1
each lateral pressure piece being provided with a force applying face for transmitting a radial force to the core sample
Implementation Method 2
The acoustic measurement module top pillar is in up-down sliding cooperation with the upper cover plate or the lower cover plate, and configured to transmit an axial force to the core sample
Data Source
AI summary
A loading apparatus for rock fracturing simulation includes an upper cover plate, a lower cover plate, lateral pressure pieces, and an acoustic measurement module top pillar. There are at least two lateral pressure pieces which are provided with a force applying face respectively for transmitting a radial force to a core sample. The upper cover plate, the lower cover plate and the lateral pressure pieces enclose a loading space for placing the core sample, and the lateral pressure pieces can slide along a radial direction of the core sample and relative to the upper cover plate or the lower cover plate. The lateral pressure pieces are provided with a sensor inserting hole for allowing a sensor to pass through respectively, and the sensor is attached to an outer peripheral wall of the core sample.