Feeder Breaker Secrets And Modifications About Tension Devices

Feeder breaker is a multi-functional mining equipment that integrates crushing, screening, feeding, etc., widely used in coal, mining, metallurgy, chemical industry, building materials and other industries. Its working principle is mainly to break the chain by driving the drag chain and the scraper to run forward to the rotating crushing hammer or crushing tooth roller. The long-term operation of the chain will cause the chain to loosen and slip, etc. Therefore, we add a night screw tension device in the conveyor part of the chain. By adjusting the tension unit, the chain is dragged backward and then the drag end is shifted to the sprocket. This causes the chain to tighten. So as to avoid the emergence of the above problems.

The tension device is a very important part of the scraper, and its performance directly affects the operation of the scraper.

1. The main function of the tension device is that when the feeder breaker is in the process of starting, running, braking, etc., the bridge plate chain scraper will have a rapid impact on the scraper chain due to the impact force generated by the motor starting, causing it to creep, resulting in the relaxation between the bridge plate chain link and the ring and can not work. The scraper tension device is to ensure that the scraper chain is always perpendicular to the head and the tail wheel, to ensure that they have a certain tension force, and will not occur due to the tail wheel being strained and caused by the phenomenon of chain, broken chain, broken scraper and so on.

1.1 Make sure the feeder breaker tail sprocket has enough space, there is a certain tension room between the bridge plate chain and the head wheel tail wheel scraper, so as to increase the friction, prevent the scraper from jumping chain and sliding chain, and ensure that the driving force is fully useful.

1.2 Ensure the minimum tension of the tension, limit the gap between the bridge plate chain and the scraper and the bottom liner, reduce the operating friction and help, and prevent the material from jamming the scraper and causing the loss of drive motor energy.

1.3 Try to compensate feeder breaker for the new deformation in excessive working conditions, absorb the creep between bridge link and ring, adjust, tighten and maintain the minimum tension required by scraper operation in time, and ensure feeder breaker’s normal production and operation.

There are countless connection points between the bridge plate chain and the scraper, all of which are steel connections. In the production operation to the minor repair, medium repair, overhaul stage, be sure to replace the scraper, bridge plate chain, head wheel, tail wheel and rigid connection bolts, etc., must be removed by loosening the tension device.

Our company through the development of the use of hydraulic tension device, the tension device is through the hydraulic cylinder in the motor driven by the rapid expansion to consume the scraper bridge plate chain too large gap, for the two sides of the chain imbalance caused by the deviation, can be quickly adjusted in time. The important part of the device is composed of hydraulic pump station, tension hydraulic cylinder, high pressure hydraulic oil pipe, electric control operating panel and auxiliary parts.

The advantage of the hydraulic tension device is that the structure is reasonable, the layout is compact, and it is easy to achieve long-distance control, so that the feeder breaker can adjust the size of the tension force during the start-up and operation. Easy control, rapid reaction speed, can automatically adjust the tension when the bridge plate chain is loose or jump, very humanized, intelligent, mechanized.

If the routine inspection and maintenance is carried out, it will not cause accidents because of the large dust and humidity on the site, such as the lead screw will rust, sometimes stained with coal slime or because of coal slime, the wrench can not be screwed, and can only be cut off by fire welding.

Reasonable design, easy to use, durable, maintenance workload is very small. After installation, as long as the daily inspection and maintenance is strengthened to ensure normal work.

Easy operation, as long as you press the start key, the hydraulic pump works, the motor drives the hydraulic oil to push the hydraulic cylinder (push rod) to expand and expand, drive the feeder breaker tail wheel to move back and forth, and play a role in adjusting the deviation with unilateral movement.

The above is the hydraulic tensioning device developed by our company, which is an extension and optimization on the basis of the traditional screw tensioning device, which solves the problem of time-consuming and laborious, difficult adjustment, and quickly improves the tensioning problem.