Blast Furnace Charging Device Bevel Gear Control
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Solution Overview
Problem
Existing charging devices for blast furnaces have complex mechanisms for rotating and inclining distribution chutes, leading to increased costs and maintenance difficulties, as well as inaccurate material distribution due to the need for cooperative operation of pivot mechanisms.
Innovation Solution
A charging device with a simple structure featuring a rotation axis, an adjustment axis intersecting at specific angles, and bevel gears for independent motor control, allowing for precise adjustment of the distribution chute's inclination and rotation, thereby simplifying the control and operation of the distribution process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a cylindrical distribution chute is rotated uniformly with complex mechanisms, then material distribution control is achieved, but the structure becomes complicated and maintenance becomes troublesome
Solution Approach 1:
The distribution chute is divided into multiple segments that can rotate independently relative to each other. This segmentation allows the chute to achieve complex distribution patterns through simpler individual rotations, reducing the overall mechanical complexity while maintaining precise control capability
Solution Approach 2:
The distribution chute transitions from static or uniformly rotating configurations to dynamically adjustable orientations. By enabling independent rotation of chute segments at different angles and speeds, the system achieves precise material distribution control without requiring complex uniform rotation mechanisms
2Ease of operation
If two pivot mechanisms are cooperatively operated to rotate the distribution chute, then rotation function is achieved, but the operation becomes complicated and distribution accuracy decreases
Solution Approach 1:
The complex cooperative operation of two pivot mechanisms is replaced by extracting the essential rotation function and implementing it through a single, simplified rotation mechanism. This eliminates the need for coordinated control of multiple mechanisms while maintaining the desired rotation capability
Solution Approach 2:
A simplified intermediate mechanism is introduced that directly couples the rotation drive to the distribution chute, eliminating the need for two separate pivot mechanisms. This intermediary structure provides straightforward rotation control and improves distribution accuracy by removing sources of operational complexity
3Adaptability or versatility
If complex mechanisms are used to incline the distribution chute, then inclination adjustment is achieved, but the equipment cost increases
Solution Approach 1:
The rotation mechanism serves multiple functions: it enables both the rotation of the distribution chute and the inclination adjustment simultaneously. This multi-functionality eliminates the need for separate mechanisms for each function, reducing equipment cost while maintaining adaptability
Solution Approach 2:
The inclination adjustment function is merged with the rotation mechanism. By combining these functions into a single integrated system, the patent reduces the number of components required, simplifies manufacturing, and lowers equipment cost while preserving full inclination adjustment capability
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 solution enables accurate and efficient distribution of materials with reduced mechanical complexity, allowing for adjustable distribution patterns and radii within the blast furnace, enhancing operational simplicity and cost-effectiveness.
Implementation Method 1
a transmission-side bevel gear supported by the frame and being rotatable around the rotation axis; a holder-side bevel gear fixed to the holder and being meshed with the transmission-side bevel gear
Data Source
AI summary
A charging device capable of moving a distribution chute with a simple structure and easy control is provided. The charging device includes: a frame (3); a rotation axis (D1) set in the frame; a rotor (4) supported by the frame and being rotatable around the rotation axis; an adjustment axis (D2) set in the rotor and intersecting with the rotation axis at a first angle (A1); a holder (5) supported by the rotor and being rotatable around the adjustment axis; a distribution chute (6) fixed to the holder and extending in a direction intersecting with the adjustment axis at a second angle (A2); a rotation drive motor (70) fixed to the frame and rotating the rotor against the frame; a transmission-side bevel gear (82) supported by the frame and being rotatable around the rotation axis; a holder-side bevel gear (81) fixed to the holder and being meshed with the transmission-side bevel gear; and an adjustment drive motor (80) fixed to the frame and rotating the holder against the rotor by rotating the transmission-side bevel gear.