Aiming at the problem that the excessive friction between the balance tail rope and the branch rope beam of the vertical shaft friction hoist causes serious tail rope wear and affects the safe operation of the main hoist. a friction monitoring system between the balance tail rope and the branch rope beam of the main hoist is designed. The friction monitoring system mainly consists of ... https://countryscenesaddleryandpetsuppliers.shop/product-category/western-boots/