Selective Belt-Drive Combined Machine Without Reversible Motor
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Solution Overview
Problem
Existing combined machines with selective actuation require a motor with reversible direction of rotation, which is not universally available, and necessitate modifications to the operating machines for the installation of free-wheel ball bearings.
Innovation Solution
A combined machine design that allows selective actuation of two operating machines using a single motor with non-reversible rotation, employing a kinematic engine with a drive shaft and driven shaft connected by belted means of transmission, and an oscillating device controlled by a lever to move the driven shaft between idle and operating positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a motor with reversible direction of rotation is used, then selective actuation of operating machines is enabled, but the motor selection is limited and reversibility adds complexity
Solution Approach 1:
Instead of making the motor reversible to achieve selective actuation, the patent inverts the approach by keeping the motor rotating in a single direction and using reversible clutch mechanisms to selectively engage or disengage power transmission to different operating machines. This resolves the contradiction by eliminating the need for motor reversibility while maintaining selective actuation capability.
Solution Approach 2:
The patent introduces clutch mechanisms as intermediary devices between the single-direction motor and the operating machines. These clutches act as mediators that can selectively transmit or block power transmission, enabling selective actuation without requiring the motor itself to be reversible. This adds controlled complexity at the transmission level rather than at the motor level.
2Adaptability or versatility
If free-wheel ball bearings are installed in operating machines, then selective actuation is achieved, but modifications to standard machines are required
Solution Approach 1:
The patent extracts the selective actuation functionality from the operating machines themselves and relocates it to the power transmission system. By removing the need for free-wheel ball bearings from the operating machines and placing clutch mechanisms in the transmission system instead, the operating machines remain standard, unmodified units. This resolves the contradiction by achieving selective actuation without modifying the machines.
Solution Approach 2:
The clutch mechanisms serve as intermediary devices that enable selective actuation without requiring modifications to the operating machines. These clutches are installed in the power transmission system between the motor and the machines, acting as mediators that control power flow to selected machines while leaving the machines themselves unchanged.
3Ease of operation
If a single motor is used for multiple operating machines, then convenience and multiple applications are improved, but the ability to use any motor type is limited
Solution Approach 1:
The patent makes the power transmission system universal by using clutch mechanisms that can accommodate any type of rotating motor. The clutches are designed to work with standard rotational input regardless of motor type (electric, combustion, etc.), enabling the single motor to universally drive multiple different operating machines. This resolves the contradiction by achieving motor type compatibility while maintaining the convenience of a combined apparatus.
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 the use of any type of motor or engine with single-direction rotation, eliminates the need for motor reversibility and machine modifications, and allows simultaneous actuation of multiple operating machines.
Implementation Method 1
a first and a second belted means of transmission (B1, B2) that are able to operationally connect the above-mentioned driven shaft to, respectively, the first or the second operating machine
Implementation Method 2
an oscillating device that is, at least indirectly, hinged to the above-mentioned frame and the above-mentioned driven shaft is associated therewith, in such a way that the oscillation of the above-mentioned device moves the above-mentioned driven shaft from the above-mentioned idle position to the above-mentioned first or second operating position
Implementation Method 3
a control lever that is operationally connected between the above-mentioned frame and the above-mentioned oscillating device and is able to act on the above-mentioned oscillating device in order to cause the above-mentioned driven shaft to selectively move into one of the above-mentioned positions
Data Source
AI summary
A combined machine with selective actuation includes: support frame and ground support; an engine including a drive shaft; a driven shaft connected to the drive shaft by the engine; first and second operating machines connected to the driven shaft; and a set for selectively transmitting motion from the driven shaft to the operating machines. The transmission set includes: first and second belted transmissions operationally connecting the driven shaft to the first or second operating machine; and a movement unit to selectively move the driven shaft from idle to a first or second operating position. In operation, when the driven shaft is in the first operating position, the first belted transmission is under tension, actuating the first operating machine. When it is in the first operating position, the second belted transmission is under tension, actuating the second operating machine. In idle, both belted transmissions are slack, halting both operating machines.