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    • 7. 发明公开
    • GLIEDERKETTE FÜR KETTENFÖRDERER UND KETTENRAD HIERFÜR
    • 环链链式输送机与链轮目的
    • EP1999045A1
    • 2008-12-10
    • EP06723713.1
    • 2006-03-24
    • Bucyrus DBT Europe GmbH
    • MERTEN, GerhardMEYA, Hans
    • B65G19/20B65G19/24B65G23/06F16H55/30
    • F16H55/303B65G19/20B65G19/24B65G23/06
    • The invention relates to a link chain for scraper chain conveyors having vertical chain links (1), suspended in an articulated manner one inside the other, and horizontal chain links (2), wherein the vertical chain links (1), all the way round, have a constant cross-sectional profile (10) provided with a flattened portion on the outside and with a curved portion on the inside, and the horizontal chain links (2) have front parts (6) with a rectilinear end zone (7), and wherein the longitudinal legs (5) of the horizontal chain links (2), these legs connecting the front parts (6), are provided with a narrowing (18) on their outer surfaces. In order to improve the running behaviour of the link chain (50) in the case of low surface pressure between the chain wheel and the horizontal chain links (2), the horizontal chain links (2) have on both sides, in the narrowing (18), carry-along means (21) by means of which scrapers which can be connected to the horizontal chain links (2) are carried along in a form-fitting manner and/or the cross-sectional profile (10) of the vertical chain links is provided with bevelling in each case at the transition between the flattened portion and the curved portion. The invention also relates to a chain wheel which is suitable for this chain.
    • 9. 发明公开
    • MITNEHMER FÜR KETTENKRATZFÖRDERER, INSBESONDERE DES UNTERTAGEBETRIEBES
    • 驱动构件用于链式输送机,特别是井下作业
    • EP1558507A1
    • 2005-08-03
    • EP03809710.1
    • 2003-04-23
    • K.B.P. Kettenwerk Becker-Prünte GmbH
    • MALITZKI, Hans-JürgenDOBEK, Richard
    • B65G19/22B65G19/24
    • B65G19/24B65G19/22
    • The invention relates to a driver for scraper chain conveyors, particularly for use in underground working, comprised of an upper part (15) and of a lower part (16), which can be screwed thereto by screw connections. Both of these parts each support a portion of one or more chain bed(s) (11, 12), which are passed through by a flat parting plane, and support a portion of the recesses, which are provided for receiving screws (19) of the screw connections and which are located outside of the chain bed. The upper part and lower part at least partially surround one another, and the upper part is provided in the form of a clamp-like bridge element, which overlaps the lower part on top at both ends. Both ends (22) of the bridge-like upper part have the shape of a wedge head with upper and lower guide surfaces (24, 25) that intersect while forming a wedge, and an engagement between the upper part and the lower part ensues at both ends by means of lug-like centering projections (17), which are provided on the upper part or lower part and which engage inside corresponding recesses of the contact surfaces of the lower part or upper part. Supporting surfaces (42) are provided between the upper part and lower part and serve to effect a release (33) between the upper part and the lower part.