Aggregate metering and conveying system

By combining a folding belt conveyor with a constraint mechanism and a weighing sensor, the problems of large space occupation and complex foundation construction in aggregate metering and conveying systems are solved. This achieves low-cost metering and conveying functions and meets the requirements of not raising the height of the aggregate bin and not needing to dig a pit for the foundation.

CN117697962BActive Publication Date: 2026-06-19XUZHOU XCMG CONSTR MACHINERY CO LTD BUILDING MACHINERY
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
XUZHOU XCMG CONSTR MACHINERY CO LTD BUILDING MACHINERY
Filing Date
2024-01-29
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing aggregate metering and conveying systems occupy a large space at the junction of belt scales and inclined belt conveyors, resulting in increased aggregate bin height, complex and costly infrastructure construction, especially in areas with shallow groundwater levels where pit excavation is not feasible.

Method used

The conveyor adopts a folding belt structure, which connects the horizontal and inclined sections by hinges and sets a constraint mechanism at the end of each section. Combined with weighing sensors, it realizes the metering and conveying functions, avoiding raising the height of the aggregate bin and digging pits, and simplifying the foundation construction.

Benefits of technology

The aggregate metering and conveying system has achieved a simple structure, low construction cost, and low operating cost, while meeting both metering and conveying requirements, and the metering accuracy meets national standards.

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Abstract

This invention relates to an aggregate metering and conveying system, comprising a folding belt conveyor connecting the bottom outlet of an aggregate silo and the top inlet of a mixer, and a metering module. The folding belt conveyor includes a horizontal section and an inclined section hinged together by a central frame. A horizontal constraint mechanism is provided at the left end of the horizontal section to restrict horizontal displacement, limiting the left end of the horizontal section's degree of freedom in the horizontal direction. A vertical constraint mechanism is provided at the right end of the inclined section to restrict vertical displacement, limiting the right end of the inclined section's degree of freedom in the vertical direction. The horizontal section is located below the outlet of the aggregate silo. A plurality of weighing sensors are evenly distributed on the horizontal section. The weighing sensors are signal-connected to the metering module. This invention has a simple structure, eliminates the need to raise the height of the aggregate silo, requires no foundation excavation, and has low construction and operating costs.
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