Bit arrangement for a mining plough, and mining plough for plough systems

A mining plough for plough appliances for the exploitation of minerals in an inclined formation, particularly for the excavation of steeply inclined coal seams, the mining plough comprising a plough body, with a guide for guiding the mining plough on an associated guide device of an associated plough appliance and with bit arrangements having a plurality of bit pockets for accommodating one bit per each bit pocket, the mining plough further comprising a separable plough body having two plough-body basic elements, at least one plough-body intermediate element that is insertable between the plough-body basic elements for the purpose of increasing the width of the plough body, and at least one bit strip being detachably fastened to the plough-body intermediate element by a removable fastener inserted substantially through the bit strip, the bit strip is provided, on a front side, with at least two recesses for the purpose of fixing at least two bit pockets on the bit strip and, on the back side, is provided with at least one backwardly open groove indentation wherein the groove indentation is positively engaged with a locking projection realized on the plough-body intermediate element when the bit strip is detachably fastened to the plough-body intermediate element.

A mining plough for plough appliances for the exploitation of minerals in an inclined formation, particularly for the excavation of steeply inclined coal seams, the mining plough comprising a plough body, with a guide for guiding the mining plough on an associated guide device of an associated plough appliance and with bit arrangements having a plurality of bit pockets for accommodating one bit per each bit pocket, the mining plough further comprising a separable plough body having two plough-body basic elements, at least one plough-body intermediate element that is insertable between the plough-body basic elements for the purpose of increasing the width of the plough body, and at least one bit strip being fastened or fastenable to the plough-body intermediate element, the bit strip is provided, on a front side, with at least two recesses for the purpose of fixing at least two bit pockets on the bit strip and, on the back side, is provided with at least one groove indentation for the positive engagement of a locking projection realized on the plough-body intermediate element, wherein the bit strip is detachably fastenable to the plough-body element by a detachable fastening means, the fastening means having fastening bushes that are provided with an annular collar, which, when in the mounted state is spaced apart from the top limb by an air gap.