Pivoting Rail Cutting Saw for Two-Sided Cutting Without Disassembly
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Solution Overview
Problem
Existing chainsaw systems for railway rails require dismantling to cut from the other side, limiting flexibility and efficiency in rail cutting operations.
Innovation Solution
A chainsaw system equipped with a flexible multi-wire cable and a battery management system that allows for continuous operation by pivoting the chainsaw on a support vice, enabling cutting from either side without disassembly, and includes a machine card for managing the operation and a BMS card for controlling the battery discharge and charging channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the chainsaw system uses a rigid single-wire cable for power supply, then the electrical connection is simple and robust, but the system lacks flexibility and the cable generates excessive heat during high-power operation
Solution Approach 1:
The single-wire cable is segmented into multiple parallel wires (multi-wire cable). This segmentation distributes the electrical current across multiple conductors, reducing the current density and heat generation in each individual wire. Simultaneously, the multi-wire construction provides flexibility comparable to or better than a single thick wire, resolving both the flexibility and heating issues.
2Adaptability or versatility
If the chainsaw system requires disassembly of the rail system to cut from the other side, then the cutting operation can be completed from both sides, but the operation time increases and productivity decreases
Solution Approach 1:
The chainsaw system is designed with dynamic repositioning capability, allowing the entire chainsaw assembly to be quickly moved from one side of the rail to the other side without disassembling the rail system. The support vice and chainsaw mounting are designed to facilitate rapid repositioning, enabling the operator to switch cutting sides efficiently and maintain high productivity while preserving the ability to cut from either side.
3Ease of manufacture
If the battery management system uses simple discharge and charging channels, then the system is easier to manufacture, but the system cannot effectively manage power distribution for multiple machine tools
Solution Approach 1:
The battery management system is designed with multi-functionality to handle multiple machine tools. The discharge channel includes multiple output terminals that can simultaneously or sequentially connect to different machine tools. The control unit is programmed to manage power distribution intelligently, monitoring the state of charge and power requirements of connected machines. This universal design allows the same battery system to serve various machine tools without requiring disassembly or additional battery units, balancing manufacturing simplicity with operational versatility.
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 efficient and flexible rail cutting by allowing the chainsaw to pivot and continue cutting without disassembly, ensuring continuous operation and reducing energy consumption through a flexible power supply and advanced battery management.
Implementation Method 1
an electric battery (5) arranged in a housing (13) in the form of a shell
Implementation Method 2
the cord (9), so as not to be inconvenient for the user, is a flexible multi-wire cable comprising a multitude of electrical conductors
Implementation Method 3
the battery is housed in a case with an internal vibration and shock absorption device
Implementation Method 4
The damping device includes a set of flexible shims held in place by spacers
Data Source
Figure 1
Figure 2
Figure 3A~3D
AI summary
Chainsaw system, particularly for railway tracks, comprising a chainsaw equipped with a motor and a cutting disc (80), the chainsaw system comprising a device (18) for supporting and fixing the chainsaw on an object to be cut, the support and fixing device (18) comprising an axle (22) on which the chainsaw is pivotally mounted, the motor being an electric motor (8) powered by an electric battery (5), the battery being connected to the motor by a power discharge cable (9), in that the cutting disc (80) rotates in both directions of rotation and in that mounting the chainsaw on the axle (22) of the support and fixing device (18) allows the object to be cut by placing the chainsaw on one and the other side of the object, by turning it over without dismantling the support and fixing device (18).