摘要:
A baseplate plow guide section for guiding a baseplate plow. The baseplate plow guide section includes a guide element arranged on a packing side of a conveyor trough delimited by lateral profiles and a return trough delimited by trough profiles of a conveyor. The guide element has an upper chain channel and a lower chain channel provided with a guide slot for the plow baseplate. Reception pockets for toggle heads of connecting toggles for connection of adjacent baseplate plow guide sections are formed on the guide element. The guide element includes a casting which extends over a length of the baseplate plow guide section and on which the reception pockets and/or the packing-side trough profile of the return trough and/or a guide part for the plow baseplate of the baseplate plow are cast as integral components.
摘要:
A bit arrangement for fastening to a plough-body element of a mining plough for underground mining, particularly of a coal plough for the excavation of steeply disposed coal seams, having a plurality of bit pockets for accommodating, preferably demountably, respectively one bit per bit pocket. In order thereby to create a bit arrangement and a mining plough that can be used advantageously for the excavation of steeply disposed mineral deposits and that render possible economic excavation of such mineral deposits, at least two bit pockets are locked in recesses on a front side of a bit strip, which is provided, on a back side, with at least one groove indentation for the positive engagement of a locking projection on the plough-body element and is detachably fastenable to the plough-body element by means of detachable fastening means.
摘要:
The invention relates to a drive station for an underground plough system, in particular a coal plough system, with a machine frame to which a plough box can be fastened, and with a wedge trough which is connected to the machine frame and is provided with a plough guide device, which has chain channels for a plough chain, and also a plough end stop on a runout section for a winning plough. In order to facilitate the repair of a winning plough, the plough end stop is formed on an attachment which can be dismantled, when the plough guide device is mounted, to produce a repair section in the longwall-gallery transition of the wedge trough. The invention also relates to a repair method in which the plough end stop is dismantled and the winning plough is moved into the repair section.
摘要:
A connector device for connecting an attachment part, in particular a plough guide part, to a lateral element of a trough pan of a mining device, comprising first fittings arranged on the lateral element, comprising counter fittings arranged on the attachment part and detachably connectable to the fittings, and comprising at least one retaining piece, which in the closing position prevents detachment of the fitting and counter fitting and in the opening position permits detachment. In order to facilitate assembly and disassembly, to the retaining piece there is assigned, according to the invention, a hydraulic cylinder for moving the retaining piece between the closing and opening position.
摘要:
The invention relates to a drive station for an underground plough system, in particular a coal plough system, with a machine frame to which a plough box can be fastened, and with a wedge trough which is connected to the machine frame and is provided with a plough guide device, which has chain channels for a plough chain, and also a plough end stop on a runout section for a winning plough. In order to facilitate the repair of a winning plough, the plough end stop is formed on an attachment which can be dismantled, when the plough guide device is mounted, to produce a repair section in the longwall-gallery transition of the wedge trough. The invention also relates to a repair method in which the plough end stop is dismantled and the winning plough is moved into the repair section.
摘要:
A transfer station in the face end region between a face conveyor and a gate conveyor in the region of a drive for the face conveyor, the gate conveyor being attached to the face conveyor such that it can be moved pivotably to a limited extent relative to the latter. The transfer station being provided with a receiving plate that is arranged on a subframe of the drive for the face conveyor, which receiving plate is provided with a bearing seat, in which a specific connection pan element of the gate conveyor is mounted such that it can be moved pivotably relative to the face conveyor or its drive about a pivot axis which is defined by the bearing seat. The construction has the particular advantage that the pivoting bearing is readily accessible and has to transmit only low forces which result substantially from the loading of the gate conveyor.
摘要:
A chain guide for a driving chain of a winning plow or the like, the chain guide being provided with a chain guide element which is arranged in spatial proximity to the sprockets at a driving or return station and is against the chain transversely to the direction of movement of the latter, provision is made according to the invention for the chain guide element to have at least one pressure roller which can be adjusted against the chain links of the driving chain, as a result of which the wear on the chain guide element is considerably reduced.
摘要:
A plough guide trough for plough guides of chain-drawn coal ploughs, comprising two superposed chain guide ducts separated by an integrally cast sliding spacer member, with a top guide strip, a bottom guide beam and a bottom slideway for guiding the plough. The top chain guide duct is covered by a front wall comprising the guide strip and merging into the guide beam and a slot lead-through for a plough guiding hook or plough knife is formed between the guide beam and the slideway. Pockets in the front wall receive a toggle coupling for neighboring plough guide troughs, wherein the front wall, the guide strips, the guide beam, the pockets and a back wall comprising the slideway form a one-piece casting extending over the length of the plough guide trough.
摘要:
A baseplate plow with a multipart baseplate including a middle baseplate part connected to a plow body and two outer baseplate parts connected movably to the middle baseplate part. Guide blocks at a packing-side end of each baseplate part guide the baseplate in chain guide channels. Two chain blocks for connecting the plow pull chain are formed on a push member which is inserted into a recess at the packing-side end of the middle baseplate part, the recess being delimited in each of two running directions of the baseplate plow by a block part including a guide block and a stop surface for the push member.
摘要:
A connection device for a plow installation, the device including a connection bracket having a basic body operable for attachment to a channel or guide section of the plow installation. A joint socket in the basic body includes a socket portion operable to receive a joint head of a boom cylinder. First and second legs are arranged in parallel and separated by a predetermined distance, with each leg including an inside portion and an outside portion. First and second supporting webs are located on the outside portions of the first and second legs, respectively. First and second bolt holes are located in the first and second legs, respectively, with a diameter of each bolt hole increasing from the inside portion of each leg to the outside portion. A joint bolt is located in the first and second bolt holes, and a clamping piece is located in each bolt hole.