A Continuous Weighing System for Coal Mine Belt Conveyor
A belt conveyor and weighing system technology, applied in conveyor objects, weighing, counterweight scales, etc., can solve problems such as affecting insulation, reducing stability, and inaccurate weighing results, avoiding friction, The effect of improving accuracy
Active Publication Date: 2016-09-21
安徽恒源煤电股份有限公司
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- Description
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- Application Information
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Problems solved by technology
Due to the special geographical environment of the coal mine, the belt conveyor is in a high temperature, humid, and dusty environment. The resistance strain sensor works in this environment, which will affect its insulation, and long-term use will produce creep and reduce its stability. lead to inaccurate weighing results
Method used
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Embodiment Construction
[0020] Such as figure 1 As shown, a continuous weighing system for a coal mine belt conveyor includes a weighing cylinder 4, the top of which is suspended from one end of a lever 2, and the center of the lever 2 is fixed on a pedestal 3 Form a fulcrum, the other end of the lever 2 is suspended with a weighing body 1 for balancing the weight of the weighing cylinder; Up and down synchronous displacement; the discharge port at the bottom of the weighing cylinder 4 is connected with a discharge chute 6 inclined to the belt of the belt conveyor, and an electric valve 5 is provided on the discharge port.
[0021] Further, the weighing body 1 includes a box body and a plurality of weights movable in the box body, and the weighing requirements can be adjusted according to the number of weights.
[0022] Such as figure 2 , 3 As shown, the buoyancy sensor 7 includes a cylinder body 72, a weighing liquid 74, a weighing float 71 and a magnetic core 73 arranged in the cylinder body 72...
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The invention provides a continuous weighing system used for a coal mine belt conveyor. The continuous weighing system comprises a weighing cylinder. The top end of the weighing cylinder is suspended at one end of a lever. The central position of the lever is fixed on a supporting base so that a pivot is formed. The other end of the lever is provided with a weighing body which is used for balancing weight of the weighing cylinder in a suspension way. The bottom end of the weighing cylinder is connected with a buoyancy sensor via a force transmission rod so that upwardly and downward synchronous displacement of the weighing cylinder and the buoyancy sensor is realized. A material discharge groove inclining to the belt of the belt conveyor is connected below a material discharge port of the bottom end of the weighing cylinder. The material discharge port is provided with a valve. Continuous weighing of material in transmission is realized by adopting the buoyancy sensor and the lever principle so that influence of the special environment of the coal mine is avoided, and weighing accuracy, reliability and rapidity are enhanced.
Description
technical field [0001] The invention relates to a belt conveyor, in particular to a continuous weighing system for a coal mine belt conveyor. Background technique [0002] The belt conveyor is a kind of machinery that transports materials in a continuous manner with friction drive. It is mainly composed of a frame, rollers at both ends of the frame and a closed belt tightly sleeved on it. It can move materials on a certain conveyor line from the beginning A material conveying process is formed between the supply point of the feeder and the final unloading point. It can not only transport broken materials, but also transport finished items. It can be used for horizontal or inclined transportation, and it is very convenient to use. It is widely used in various modern industrial enterprises, such as: underground roadways of mines, mine ground transportation systems, open pit mines and mineral processing plants. Especially in the production of modern coal mines, belt conveyors...
Claims
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IPC IPC(8): G01G1/18B65G47/19
Inventor 解波孙爱国鲁德丰刘光平肖国刚俞海鹰刘晨
Owner 安徽恒源煤电股份有限公司