Detachable Gearbox Linear Actuator for Faster Maintenance
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Solution Overview
Problem
Conventional linear actuators require complex and time-consuming disassembly processes for maintenance and repair, particularly when addressing electrical controlling unit issues, due to their integrated design.
Innovation Solution
A linear actuator design featuring a detachable gear box structure with a main body, including a housing, motor, composite worm gear assembly, and threaded rod, where the gear box structure is composed of a lower and upper cover with notches and fasteners, allowing for easy assembly and disassembly by connecting and disconnecting the gear box to the main body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the housing is designed as an integrated structure to accommodate the motor, gear assembly, and electrical controlling unit, then the structural stability is improved, but the ease of repair deteriorates
Solution Approach 1:
The housing is divided into a first housing portion and a second housing portion that can be detached from each other. The first housing portion accommodates the motor and gear assembly, while the second housing portion accommodates the electrical controlling unit. This segmentation allows the housing to maintain structural stability when assembled while enabling easy detachment for repair and maintenance of individual components.
2Ease of manufacture
If the housing is designed as an integrated structure, then the manufacturing simplicity is improved, but the time required for maintenance and repair increases
Solution Approach 1:
The housing is segmented into detachable first and second housing portions, which can be manufactured separately and then assembled. This approach maintains manufacturing simplicity while enabling quick detachment during maintenance, significantly reducing the time required for repair operations compared to a fully integrated housing design.
Solution Approach 2:
The housing transitions from a static integrated structure to a dynamic detachable structure. The first and second housing portions are designed to be easily connected and disconnected, allowing the housing configuration to change based on operational needs (assembled for use, detached for maintenance), thus reducing maintenance time while maintaining structural integrity during operation.
3Volume of moving object
If the gear assembly and electrical controlling unit are disposed in the same housing, then the device compactness is improved, but the ease of operation for maintenance deteriorates
Solution Approach 1:
The housing is segmented into a first housing portion for the motor and gear assembly, and a second housing portion for the electrical controlling unit. These portions are detachably connected, allowing maintenance personnel to easily access and service the electrical controlling unit by simply detaching the second housing portion, without needing to disassemble the entire actuator or access components buried deep within an integrated housing.
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 rapid assembly and disassembly of the linear actuator, facilitating quick maintenance and repair by allowing the gear box structure to be easily connected and disconnected from the main body, reducing the time and effort required for these processes.
Implementation Method 1
a composite worm gear assembly (130) disposed in the inner space (113) and driven by the motor (120)
Implementation Method 2
a composite worm gear assembly (130) disposed in the inner space (113) and driven by the motor (120)
Implementation Method 3
An end of the threaded rod (140) is accommodated in the inner space (113) and connected to the composite worm gear assembly (130)
Data Source
AI summary
A linear actuator includes a main body and a gear box structure. The main body includes a housing, a motor, a composite worm gear assembly and a threaded rod. The housing includes an inner space. The composite worm gear assembly is disposed in the inner space and driven by the motor. The threaded rod is connected to the composite worm gear assembly. The gear box structure is detachably connected to the main body, and includes a lower cover, an upper cover and a controlling unit. The lower cover is detachably embedded in the housing, and includes a side notch and a lower notch. The upper cover is slidably and correspondingly covered with the lower cover to form an accommodation space. The controlling unit is disposed in the inner space. The side notch is corresponding to the composite worm gear assembly. The lower notch is corresponding to the motor.