Cushion and have rotary kiln of this adjustable cushion with adjustable

The utility model provides an adjustable cushion, including the base that has the guide way, the slider that is arranged in the guide way, the kicking block that is arranged in the guide way and adjusting bolt, be equipped with the through -hole on the base, adjusting bolt pass the through -hole and with slider threaded connection, a surface of slider contacts with the bottom of guide way, anotherof slider is equipped with the initiative inclined plane on the surface, one of kicking block is equipped with passive inclined plane on the surface, laminate with the inclined plane of taking the initiative mutually in passive inclined plane, the forward rotates adjusting bolt, and adjusting bolt drives the slider and slides left, the initiative inclined plane of slider promote passive inclinedplane and kicking block along the lateral wall of guide way, and remove along the direction of keeping away from the bottom of guide way, antiport adjusting bolt, adjusting bolt drive the slider and slide right, the kicking bl