End-Dump Discharging Device for Receptacle

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Solution Overview

Problem

Conventional end-dump trucks with tilting receptacles face safety risks, inefficiencies, and weight distribution issues during cargo discharge, particularly when handling small-sized grains or objects, and are often cumbersome and expensive due to the use of hydraulic cylinders.

Innovation Solution

A receptacle design featuring a movable front section with engagement and gripping means mounted along the walls, utilizing an actuating system to push cargo out through the back, eliminating the need for a hydraulic cylinder, thus reducing tare weight, increasing safety, and optimizing cargo space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If a hydraulic cylinder is used to push out the cargo, then the discharge force is sufficient, but the tare weight increases and cargo space is reduced

Engineering Contradiction:

Improvedischarge forceVSAvoidtare weight

Core Design Contradiction:

ForceVSWeight of moving object

Solution Approach 1:

The discharge mechanism is segmented into multiple components: engagement means mounted on the receptacle walls, gripping means on the movable front section, and a chain connecting them. This segmentation eliminates the need for a single large hydraulic cylinder, reducing tare weight while maintaining sufficient discharge force through distributed mechanical advantage.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A chain acts as an intermediary element between the engagement means and gripping means, transmitting force efficiently without requiring a heavy hydraulic cylinder. The chain provides a lightweight yet strong connection that maintains discharge force while minimizing weight addition.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Force

If a hydraulic cylinder is used for cargo discharge, then the discharge capability is adequate, but the cargo space is reduced due to the space occupied by the cylinder

Engineering Contradiction:

Improvedischarge capabilityVSAvoidcargo space

Core Design Contradiction:

ForceVSVolume of moving object

Solution Approach 1:

The hydraulic cylinder is extracted from the system and replaced with a mechanical chain-driven mechanism. This removal eliminates the space-consuming hydraulic cylinder while maintaining discharge capability through the chain and gripping means system, thereby maximizing cargo space.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The force transmission is shifted from a three-dimensional hydraulic cylinder occupying front space to a one-dimensional chain mechanism that runs along the receptacle walls, utilizing the length dimension efficiently and preserving cargo volume in the front section.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

3Device complexity

If a tilting device is used to dump cargo, then the discharge process is simple, but safety risks increase due to potential tipping and instability

Engineering Contradiction:

Improvedischarge process simplicityVSAvoidsafety

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

Instead of tilting the receptacle to discharge cargo (conventional approach), the invention inverts the approach by keeping the receptacle stable and moving the front section backwards to push cargo out. This inversion eliminates tipping risks while maintaining effective cargo discharge.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The engagement means are mounted on the stable receptacle walls rather than on a tilting mechanism, providing a fixed reference point that prevents instability. The gripping means then act to move the front section, creating a discharge mechanism that inherently resists tipping through its stable mounting structure.

Inventive Principle:

Principle #9Preliminary anti-action

4Productivity

If the receptacle is tilted for discharge, then cargo can be dumped, but the weight distribution changes causing increased load on the rear axis

Engineering Contradiction:

Improvecargo dischargeVSAvoidweight distribution

Core Design Contradiction:

ProductivityVSWeight of moving object

Solution Approach 1:

The invention inverts the conventional discharge method by not tilting the receptacle at all. Instead, the front section moves backwards along the receptacle length, pushing cargo out while the receptacle remains level. This maintains proper weight distribution on all axes throughout the discharge process.

Inventive Principle:

Principle #13The other way round (Inversion)

Data Source

PatentEP2634042B1End-dump discharging device for a receptable

Publication Date: 2014.04.16 HYDRAULIC RAM TRAILER

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Figure 6a~6b

AI summary

The current invention concerns a receptacle for transporting solids, comprising a left receptacle wall, a right receptacle wall and a movable front section, all three of which comprise a top part, a middle part and a bottom part, said receptacle comprising a discharge device, whereby said discharge device comprises at least one engagement means, at least one gripping means and at least one actuating system, whereby said engagement means are mounted lengthwise along said left and/or right receptacle wall inside said receptacle, whereby said gripping means are mounted on an outer side of said front section and grip into said engagement means, whereby said actuating system is connected to said gripping means, whereby said middle part of said receptacle walls comprises a lengthwise engagement recess comprising an overhanging part, said engagement means attached to the middle part of said left and/or right receptacle wall to or below said overhanging part.