Equidistant Hole Marking Device for Blueberry Soil
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Solution Overview
Problem
Existing equidistant hole marking devices for blueberry cultivation in solar greenhouses face issues with excessive sinking in soft soil and difficulty inserting into hard soil, along with high operational costs and caking of powder affecting discharge efficiency.
Innovation Solution
The equidistant hole marking device includes a positioning body with a tapered bottom, adjustable outer plates, a storage member with a sealing head, and moving rods with circular pressing members to facilitate powder discharge and prevent caking, allowing for improved positioning and hole spacing adjustment in various soil conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If an existing equidistant hole marking device is used, then hole spacing can be marked, but the device is easy to sink excessively when soil is relatively soft
Solution Approach 1:
The device employs a movable outer plate that can dynamically adjust its position and orientation based on soil conditions. The outer plate is connected to the positioning body through a connecting shaft, allowing it to rotate and adapt to varying soil firmness, thereby preventing excessive sinking in soft soil while maintaining positioning accuracy.
Solution Approach 2:
The device changes the physical state and position parameters of the outer plate based on soil conditions. In soft soil, the outer plate rotates to a horizontal position to distribute pressure, while in hard soil, it adopts a vertical position for easy insertion. This parameter adjustment resolves the contradiction between stability and insertion ease.
2Manufacturing precision
If an existing equidistant hole marking device is used, then hole spacing can be marked, but it is difficult to insert and position the device owing to the large resistance when the soil is relatively hard
Solution Approach 1:
The outer plate's movable connection allows it to dynamically change orientation during insertion. When encountering hard soil, the outer plate can rotate to reduce resistance, enabling easier insertion while maintaining the positioning body's vertical orientation for accurate marking.
Solution Approach 2:
The outer plate acts as an intermediary between the positioning body and the hard soil. It rotates and repositions to serve as a pivot point, allowing the positioning body to be inserted with reduced resistance while maintaining positioning accuracy through the connecting shaft mechanism.
3Productivity
If an existing equidistant hole marking device is used, then marking can be performed, but the powder is easy to caking after long-term storage, which affects smoothness of the powder discharge
Solution Approach 1:
The device employs a movable inner rod that can dynamically adjust its position within the storage member. This movement creates space and prevents powder from settling and caking, ensuring smooth discharge during operation while maintaining high marking efficiency.
Solution Approach 2:
The inner rod's movement is driven by the pressing member's action during powder discharge, creating a self-service mechanism where the discharge action itself prevents caking. The system uses its own operational motion to maintain powder flowability without external intervention.
4Manufacturing precision
If an existing equidistant hole marking device is used, then marking can be performed, but the overall cost of the device is high
Solution Approach 1:
The device is divided into separate functional modules: a positioning body, a movable outer plate assembly, a storage member with inner rod, and a pressing member. This segmentation allows each component to be manufactured independently using simple processes, reducing overall cost while maintaining precision through modular design.
Solution Approach 2:
The device uses simple geometric parameters and basic mechanical connections rather than complex mechanisms. The outer plate's rotation and the inner rod's linear movement provide sufficient functionality with minimal material and manufacturing complexity, thereby reducing cost while preserving marking precision.
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 device enhances convenience and efficiency by preventing excessive sinking in soft soil, easy insertion in hard soil, and ensures smooth powder discharge by crushing caked powder, thereby improving overall marking efficiency and reducing operational costs.
Implementation Method 1
a bottom of the positioning body is tapered... the positioning body is made of a metal material
Implementation Method 2
the outside of each of the circular pressing members defines wedge-shaped grooves arranged annularly... crushing caked powder
Implementation Method 3
a bottom of the storage member is tapered... ensures smooth powder discharge by crushing caked powder
Data Source
AI summary
An equidistant hole marking device for blueberry cultivation in a solar greenhouse is provided, which relates to the field of hole spacing marking technologies. The device includes a trigger rod, and the trigger rod is L-shaped. Four groups of moving rods are disposed outside an inner rod, the moving rods are diamond, and the moving rods are made of a plastic material. A circular pressing member is fixed outside each group of the moving rods, an upper side and a lower side of each circular pressing member are inclined, and the circular pressing members are made of a plastic material. When discharging powder, the moving rods and the circular pressing members are controlled to move inside a storage member, so that caked powder is crushed and discharged smoothly, thereby to improve marking efficiency.