Belt conveyor discharging hopper based on air cushion damping

By installing an air cushion shock absorption structure inside the conveyor belt discharge hopper, and utilizing the wear-resistant layer and elastic buffer layer combined with the adaptive adjustment of the air inflation system, the vibration and noise problems of the discharge hopper under the impact of large-diameter stones are solved, achieving stable operation of the equipment and cost reduction.

CN122354931APending Publication Date: 2026-07-10CHINA RAILWEY ENG SERVICE CO LTD
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Patent Information

Application Number
CN202610561618.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-27
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

When faced with the high-speed impact of large-diameter stones, the existing belt conveyor discharge hopper experiences severe vibration, serious noise pollution, and rapid equipment wear. Existing vibration reduction solutions cannot effectively solve these problems.

Method used

By employing air cushion shock absorption technology, a sealed air-filled chamber is formed by setting a wear-resistant layer and an elastic buffer layer inside the funnel body. Combined with the air filling system, the gas pressure is dynamically adjusted according to the material particle size and conveying volume to achieve efficient absorption of impact energy and reduction of noise.

Benefits of technology

It significantly reduces equipment vibration and noise, improves operational stability and service life, adapts to different working conditions, and reduces maintenance costs.

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Abstract

The invention provides a belt conveyor discharging hopper based on air cushion damping. The belt conveyor discharging hopper comprises a hopper body, an air cushion and an inflation system. The air cushion is arranged in the funnel body and located in a material flow impact area of the funnel body, the air cushion comprises a wear-resistant layer and an elastic buffer layer, the edge of the wear-resistant layer and the edge of the elastic buffer layer are connected to form a sealed inflation cavity, and the elastic buffer layer is connected with the inner wall of the funnel body; the wear-resistant layer is located on the side, away from the inner wall of the funnel body, of the elastic buffer layer and is opposite to the discharging end of the belt conveyor. The inflation system is used for determining the pressure interval of gas in the inflation cavity according to the particle size and the transportation volume of the materials and controlling the gas pressure of the inflation cavity to the pressure interval. The belt conveyor discharging hopper based on air cushion damping is suitable for dynamic working conditions of stones with different particle sizes and different transportation volumes, the operation stability of equipment is improved, the service life of the equipment is prolonged, and the operation and maintenance cost is reduced.
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