Remote Controlled Telehandler Cab Removal
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Solution Overview
Problem
Conventional telescopic handlers face challenges in transportation due to their rigid structure and high driver's cab height, leading to uncomfortable and costly journeys when driven on roads, and substantial transport costs when towed on trailers, particularly affecting companies that hire them for specific projects.
Innovation Solution
A remote-controlled, self-propelled telescopic handler with a wheel-based frame, a telescopic lifting arm, and a coupling device for load attachment, operated without a cab, utilizing a powertrain assembly controlled by electronic means and a remote command system for movement, arm operation, and stabilizer activation, allowing for centralized mounting and reduced bulk and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the telehandler is driven on the road by the operator, then the vehicle can be transported to the work site, but the journey becomes very uncomfortable and tiring due to the high driver's cab height and rigid structure affecting road irregularities
Solution Approach 1:
The invention removes the driver's cab and manual control systems from the telehandler, extracting the source of operator discomfort. The vehicle is now controlled remotely via radio frequency signals, eliminating the need for an operator to be physically present in a high, rigid cab that amplifies road irregularities.
2Ease of operation
If the telehandler is transported on the trailer of a lorry, then the vehicle can be brought to the work site, but substantial transport costs are incurred due to the considerable weight and dimensions of the vehicle
Solution Approach 1:
The invention extracts the cab and manual control mechanisms, significantly reducing the vehicle's overall weight and structural complexity. This weight reduction directly decreases transportation costs when the telehandler is moved on trailers, as the vehicle no longer carries unnecessary structural components.
Solution Approach 2:
The invention replaces the mechanical cab structure and manual control linkages with an electronic remote control system using radio frequency transmission. This substitution eliminates heavy mechanical components while maintaining full operational capability, reducing both weight and complexity.
3Ease of operation
If the telehandler is equipped with a cab and manual commands, then the operator can directly control the vehicle, but the vehicle structure becomes more complex and heavier
Solution Approach 1:
The invention replaces the mechanical control system with an electronic one. Manual commands through the cab are substituted by radio frequency transmission and electronic control units that receive signals from a remote control device, simplifying the overall control architecture while maintaining full functionality.
Solution Approach 2:
The invention introduces an intermediary remote control device that transmits commands wirelessly to the telehandler. This intermediary system replaces the direct mechanical connection between operator and vehicle, allowing control without physical presence in the cab and reducing onboard control system complexity.
Data Source
AI summary
The movable lifting system (1, 2) comprising a telehandler (1) which in turn comprises: a movable lifting arm (11) provided at a distal end, with a coupling device (111) for the removable fixing of equipment (112) or of the type adapted to grip loads, such as a fork, grippers or the like, or of the type suitable for lifting persons and work tools such as a basket or the like; and a powertrain assembly for movement on the ground.The system (1, 2) further comprises: control means, arranged on board the telehandler (1), provided to manage the operation of the powertrain assembly, adapted to receive command signals and adapted to regulate the operation of the assembly according to the command signals; and command means (2), separate from the telehandler (1), to be activated by an operator (3) and predisposed to produce the command signals.