Shared Oil Tank Layout for Fracturing Powertrain Packaging
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Solution Overview
Problem
Existing turbo-fracturing devices have a large occupied space and high cost due to the unrelated nature of their hydraulic and gearbox lubricating systems, which require independent oil tanks and multiple electromotors, complicating maintenance and increasing costs.
Innovation Solution
A power system that integrates an oil tank, a reduction gearbox with a lubricating system, and a hydraulic system, where the lubricating system and hydraulic system share a single oil tank, reducing the number of components and optimizing space layout.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hydraulic system and gearbox lubricating system are designed as unrelated independent systems, then each system can operate independently with dedicated components, but the overall device occupies more space and has higher cost
Solution Approach 1:
The patent combines the hydraulic system and gearbox lubricating system into a unified system that shares a common oil tank. The oil tank serves dual purposes: storing hydraulic oil for the hydraulic system and gearbox lubricating oil for the lubrication system. This merging eliminates the need for separate oil tanks while maintaining independent operational capabilities through dedicated pumps and control mechanisms for each function.
Solution Approach 2:
The common oil tank is designed to perform multiple functions simultaneously: it stores hydraulic oil for actuating hydraulic motors and cylinders, stores gearbox lubricating oil for lubricating gear pairs, and provides a unified refilling and maintenance interface. This multi-functionality reduces the total number of components and optimizes space utilization.
2Reliability
If the hydraulic system and gearbox lubricating system are designed as unrelated independent systems, then each system has dedicated components for optimal performance, but the device cost increases due to multiple oil tanks and electromotors
Solution Approach 1:
The patent merges the hydraulic system and gearbox lubricating system by implementing a common oil tank that serves both functions. This consolidation eliminates redundant components such as separate oil tanks and reduces the total number of electromotors required, thereby lowering manufacturing costs while preserving the performance integrity of each system through dedicated pumps and control mechanisms.
Solution Approach 2:
The common oil tank is designed as a universal component that performs multiple functions: storing hydraulic oil, storing gearbox lubricating oil, and providing a unified maintenance interface. This multi-functional design reduces the total component count and associated costs while maintaining optimal performance for both hydraulic and lubrication functions.
3Ease of repair
If the hydraulic system and gearbox lubricating system are designed as unrelated independent systems, then each system can be maintained separately, but maintenance complexity increases due to multiple independent components
Solution Approach 1:
The patent combines the hydraulic system and gearbox lubricating system into a unified architecture with a common oil tank. This merging reduces the total number of components that require maintenance while preserving separate maintenance capability through dedicated pumps, filters, and access points for each system. The unified design simplifies inventory management and reduces the complexity of maintaining multiple independent systems.
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
This integrated power system reduces the overall space occupied by parts, simplifies maintenance, and lowers the system's cost by eliminating the need for multiple independent oil tanks and electromotors.
Implementation Method 1
a hydraulic pump, an inlet of the hydraulic pump being communicated with the oil tank; and a switching part, an outlet of the hydraulic pump being communicated with an inlet end of the lubricating system through the switching part
Implementation Method 2
The reduction gearbox is provided with a lubricating system, and the lubricating system is communicated with the oil tank
Data Source
AI summary
Some embodiments of the present disclosure provide a power system and a fracturing device. The power system includes an oil tank, a reduction gearbox and a hydraulic system. The reduction gearbox is provided with a lubricating system, and the lubricating system is communicated with the oil tank. The hydraulic system includes a hydraulic actuating member, and the hydraulic actuating member is communicated with the oil tank.