| 摘要 |
<p>A safety device for the oscillating box door with assisted rotation (5) for feeding machines for the treatment of waste, positioned at the loading mouth (1) of these machines to abut against this with its mouth (108) to enable it to be loaded with waste and arranged to close this mouth (108) progressively upwards and to orient it downwards to discharge the waste into treatment means (2, 3, 104, 4) below, while said loading mouth (1) is closed by the lateral wall of the same door (5), characterized in that this mouth (1) is provided with an upper opening (16) which houses a barrier (17) projecting from this opening with a rounded portion thereof, which is mounted on guide means that enable a movement parallel to itself and tangential to the door (5), to enter and to exit from said opening (16), which is connected to elastic return means (25, 25') that maintain it normally projecting from said opening (16) and cooperating with end of stroke stops (26, 26') and which if pushed inside said opening (16) by an obstacle (H) that projects from the mouth (108) of the door (5) during closing and which is interposed between said barrier and the lower side (305) of the same mouth (108) of the door, operates a sensor (27) connected to means (14) that stop the rotation means (9) of the door (5) and control reversal of the direction of opening rotation of the mouth of this door.</p> |
