Acionamento por roda dentada com relação de velocidade ajustável
A sprocket transmission mechanism with adjustable speed ratio, comprising an active sprocket (1) and a follower sprocket (2); said follower sprocket (2) is coaxially connected to a metering roller; characterised in that: it also comprises a transition sprocket (3); said transition sprocket (3) is a double sprocket structure comprising coaxially set and solidly connected first transition sprocket (31) and second transition sprocket (32); said first transition sprocket (31) and second transition sprocket (32) have different radial dimensions; said first transition sprocket (31) and second transition sprocket (32) have different radial dimensions; said first transition sprocket (31) and second transition sprocket (32) are connected to the sprocket by... A primeira roda dentada de transição (31) e a segunda roda dentada de transição (32) têm dimensões radiais diferentes; a roda dentada acionada (2) é...