Large belt conveyor 3D model

Large belt conveyor, wide through the conveyor belt and profile connection, through the motor driving synchronous belt wheel and adjust the pressure roller structure of the whole structure is simple, low cost, as a large belt conveyor structure with high efficiency, low design characteristics, the ingenious connection, can be used as a model to use the code in the design If you like,you can paypal for you to get this models or if you have any questions also you can email to me.