Bucket doors used in large mechanical shovels

Abstract

A large bucket of the kind used in mineral extraction in mining works in which its door has been configured with a metal structural frame and a rubber retaining surface, achieving to lower the general weight of the bucket and the unavailability due to wear or fissures.

1 . Bucket doors used in large mechanical shovels, for example, those used in the extraction of mineral in the mining industry, wherein it is composed by a main resistant structure over which a form structure is disposed, and immediately over it a rubber coating, constituting such rubber coating the zone where the load comes in contact with said bucket and the zone where the bucket comes in contact with said door. 
   
   
       2 . Bucket door according to  claim 1  whereby said main structure is fabricated of high resistance steel and is conformed by structural beams, horizontal as well as vertical. 
   
   
       3 . Bucket door according to  claim 2  wherein on one end of said main structure there are connecting elements that allow the door to secure itself in a pivoting way to the bucket's structure. 
   
   
       4 . Bucket door according to  claim 3  wherein said main structure, on the immediate opposite end to that in which the connecting elements are disposed, an angular zone has been configured. 
   
   
       5 . Bucket door according to  claim 1  wherein said form structure is conformed by a drilled sheet which configures a frame. 
   
   
       6 . Bucket door according to  claim 1  wherein said rubber coating is installed over said form structure with high resistance bolts. 
   
   
       7 . Bucket door according to  claim 6  wherein said rubber coating may be of different thickness. 
   
   
       8 . Bucket door according to  claim 1  wherein said main structure has configured, on one of its main beams, passing cavities which allow the movement of a latch in order to secure the door over the bucket. 
   
   
       9 . Bucket door according to  claim 1  wherein on said main structure sheet metals have also been disposed which grant structural support to flaps disposed on the sides of the frame.