A chain tension balance control system and method for a permanent magnet-driven mining scraper conveyor
A permanent magnet drive, conveyor chain technology, applied in the direction of conveyor control device, conveyor, conveyor objects, etc., can solve the problem of unbalanced tension of two scraper chains, reduce downtime adjustment and maintenance time, The effect of improving work efficiency and eliminating the need for a reducer device
Active Publication Date: 2021-07-09
CHINA UNIV OF MINING & TECH
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Problems solved by technology
[0004] In order to overcome the deficiencies of the prior art, the present invention provides a chain tension balance control system and method for permanent magnet-driven mining scraper conveyors, which can effectively solve the problem of unbalanced tension between the two scraper chains during the working process of the scraper conveyor, and at the same time Real-time monitoring of the tension distribution of the entire scraper chain to improve work efficiency
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[0030] The technical solutions in the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0031] Such as Figure 1 to Figure 3 As shown, a permanent magnet drive mining scraper conveyor chain tension balance control system includes a head sprocket one 2, a head sprocket two 4, a tail sprocket one 14 and a tail sprocket two 15, the machine Head sprocket 1 2 and tail sprocket 1 14 are connected to a scraper chain 5 at the same time, head sprocket 2 4 and tail sprocket 2 15 are connected to another scraper chain 5 at the same time, and machine head sprocket 1 2 It is coaxially connected with the head sprocket 2 4 on the same scraper machine head, the wheel shaft 1 of the tail sprocket 1 14 and the wheel shaft 2 of the tail sprocket 2 15 are set separately, and the base 29 of the scraper machine is parallel There are two servo-driven hydraulic cylinders, and the cylinder seats of servo-driven hydraulic cylind...
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The invention discloses a chain tension balance control system and method of a permanent-magnet-driven mining scraper conveyor. The axle 1 of the tail sprocket 1 and the axle 2 of the tail sprocket 2 are set separately, and the base of the scraper conveyor is parallel to the There are two servo-driven hydraulic cylinders; scraper chain strain gauges are installed on some links of the scraper chain, displacement sensors are installed in the two servo-driven hydraulic cylinders, each servo-driven hydraulic cylinder is connected to the corresponding tail chain Pull and pressure sensors are installed at the positions where the wheels are connected, and the scraper chain tension signal, the displacement signal of the two servo-driven hydraulic cylinders, and the pull and pressure signals of the two servo-driven hydraulic cylinders are respectively transmitted to the chain tension balance control module, and the chain tension balance control module Calculate and output the control current to the servo valves of the two servo-driven hydraulic cylinders according to the preset program. The invention effectively solves the problem of unbalanced tension of two scraper chains during the working process of the scraper machine, monitors the tension distribution of the whole scraper chain in real time at the same time, and improves work efficiency.
Description
technical field [0001] The invention relates to the field of underground material transportation, in particular to a chain tension balance control system and method of a permanent magnet-driven mining scraper conveyor. Background technique [0002] Mine scraper conveyor is one of the key equipments of comprehensive mechanized coal mining face. Whether it can operate reliably, stably and efficiently will directly affect the safety and production capacity of modern coal mines. Mining scraper conveyors have harsh operating conditions, large load changes, and obvious random vibration and impact phenomena. The scraper chain is the component that most directly bears the load of coal falling. Therefore, the dynamic tension of the two scraper chains has time-varying characteristics and instantaneous The characteristics of high tension and difficult to control may easily cause the scraper chain to slack or even accumulate at the separation point of the drive sprocket, resulting in ac...
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IPC IPC(8): B65G19/18B65G19/20B65G43/00
CPCB65G19/18B65G19/20B65G43/00B65G2203/0266B65G2203/042
Inventor 李翔沈刚朱真才汤裕彭玉兴卢昊曹国华周公博李伟江帆
Owner CHINA UNIV OF MINING & TECH