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AssigneeDBT Deutsche Bergbau-Technik GmbH
InventorsGerhard Merten, Frank Fischer
Estimating the term…
A mineral winning installation employs a shearer which is moved along a scraper-chain conveyor compound of individual pans mounted end-to-end. the shearer extends over the conveyor and is guided by guides provided at both sides of the conveyor. The body of the shearer has a driven chain wheel which meshes with an open-link chain serving as a rack abutment and laid on a bed alongside the side walls of the conveyor pans adjacent the mineral face. The side walls of the pans have upper and lower flanges which have strip-like projections directly outwardly from the pans. The chain is retained by the strip-like projections of the upper flanges of the pan side walls which overlap one side of the horizontal links and detachably hold-down strips which overlap the other side of the horizontal links. the hold-down strips are mounted for swivelling to release the chain links are detachably mounted to the support bars fixed to the support members.
In a mineral winning installation which employs a scraper-chain conveyor composed of individual pans connected end-to-end, each pan being composed of shaped side walls with upper and lower flanges and a floor plate extending between the side walls, the upper and lower flanges of the side walls of each pan projecting inwardly towards one another and toward the floor plate and strip projections projecting outwardly from the flanges and away from the floor plate and a winning machine extending over the conveyor and movable along the conveyor;
An installation according to claim to 1, wherein reinforcement plates are fixed between the strip projections of the side walls of the pans adjacent the channel and support members are attached to the plates and have recesses at the upper ends which partly define the channel and receive vertical links of the chain.
In a mineral winning installation which employs a scraper-chain conveyor composed of individual pans connected end-to-end, each pan being composed of shaped side walls with upper and lower flanges and a floor plate extending between the side walls, the upper and lower flanges of the side walls of each pan projecting inwardly towards one another and toward the floor plate and strip projections projecting outwardly from the flanges and away from the floor plate and a winning machine extending over the conveyor and movable along the conveyor, an improved guide and drive arrangement for the machine comprising first and second guides disposed adjacent both side walls of the conveyor and a channel defined adjacent one of the guides which is open from above and serves to receive a chain which acts as a rack abutment for a driven chain wheel mounted on the machine, wherein the channel is defined in a position below the upper flanges of the side walls of the pans adjacent the channel, the machine has at least one rolling element supported from running contact with the upper surfaces of the upper flanges of the side walls of the pans adjacent the chain channel and an L-shaped guide shoe which engages in a laterally open guide channel formed below the chain channel to maintain the rolling element on the upper surfaces.
An installation according to claim 27, wherein the support members have web-like ribs spaced apart along the conveyor and the support bars are engaged with the ribs.
Dependencies are inferred from the claim text.