| 摘要 |
The invention relates to a conveyor pan ( 150 ) for underground face and gate conveyors, with a bottom run ( 102 ) and a top run ( 103 ) for the guidance of a scraper of a scraper chain, with a frame work construction ( 101 ) which has side walls ( 110 ) comprising cast parts firmly joined to each other, with an intermediate flange ( 111 ) and an upper moulded flange lug ( 112 ) extending outwards from it and a lower moulded flange arm ( 113 ) as well as a moulded foot flange ( 120 ) extending inwards and bordering the bottom run partly to the side. In accordance with the present invention the cast part ( 110 ) has at least one step ( 115 ) on the inner wall ( 114 ) of the intermediate flange ( 111 ) for supporting and welding on a plate ( 105 B) forming an intermediate plate, below which the intermediate arm ( 111 ) and the flange lug ( 120 ) form a profile strengthening ( 149 ), and above which the intermediate arm ( 131 ) borders to the side an accepting space for the acceptance of an exchangeable tray ( 104 ) having rolled side profiles ( 180 ) welded to a conveyor base ( 184 ).
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