Integrated Cab Towing Structure for Lightweight Force Transmission
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Solution Overview
Problem
Conventional commercial vehicle towing systems require additional heavy components and installation space, as the driver's cab is not integrated into the power flow, leading to inefficiencies in force transmission and increased weight.
Innovation Solution
The towing device is directly integrated into the driver's cab support structure, allowing for a more compact and lightweight design that optimizes cab placement and enables force transmission directly into the cab support structure, eliminating the need for a ladder frame under the cab and internal combustion engine, thus allowing for a lower ground clearance and improved entry arrangement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the towing device is mounted on separate components connected to the frame, then the towing function is achieved, but additional heavy force-transmitting components and installation space are required
Solution Approach 1:
The towing device is integrated directly into the driver's cab support structure, merging the towing function with the existing structural components. This eliminates the need for separate heavy force-transmitting components while maintaining the required strength for towing operations.
2Reliability
If the towing device is mounted on separate components connected to the frame, then the towing function is achieved, but additional installation space is required
Solution Approach 1:
The towing device is combined with the driver's cab support structure, utilizing the existing structural space. This integration eliminates the need for additional installation space while ensuring reliable towing functionality through direct force transmission into the cab support structure.
3Ease of operation
If the driver's cab is spring-mounted and not integrated into the force flow, then the cab is isolated from towing forces, but massive force-transmitting components are required
Solution Approach 1:
The towing device is integrated into the driver's cab support structure, which is rigidly connected to the vehicle frame. This merging allows the cab support structure to directly transmit towing forces to the frame, eliminating the need for massive separate force-transmitting components while maintaining cab stability.
Data Source
Figure 1
AI summary
The invention relates to a driver's cab (8) for a commercial vehicle, preferably a truck. The driver's cab (8) has a cab support structure (10) that at least partially forms the cab's body shell. The driver's cab (8) also has at least one towing device (22) integrated into the cab support structure (10), preferably at a front of the cab support structure (10). This eliminates the need for additional components for attachment, which would require additional installation space and add weight. The force from the towing device (22) is transmitted directly into the cab support structure (10).