GB481044A - Improvements in and relating to reheating furnaces - Google Patents

Abstract

481,044. Step - by -step conveyers. LOEHR, W., and RASSELSTEINER EISENWERKSGES. AKT.-GES. Feb. 16, 1937, No. 4622. [Class 78 (i)] [Also in Group XII]. A reheating furnace having a walking- beam conveyer is automatically charged with flat metal bars or the like 5 from a pile 16 in front of the furnace by hooked arms 10 which are reciprocated in timed relationship with the moving conveyer bars 1 by levers 6, the latter being connected by links 9 to the rails 4 carrying the pillars 3 on which the bars 1 are mounted. In order that the stroke of the feed arms 10 may be varied, the links 9 are fitted with turn-buckles 21 and the bearing pins 12 are adjustable, bv means of screws 20, in slots 18 in the lower ends of the levers 6., The arms 10, which are formed with hooked ends 14 carrying rollers 15, are fitted with adjustable set-screws 32 so that the distance the arms drop when the roller 15 clears the top bar 5 on its rearward stroke may be varied in accordance with the thickness of the bars. The latter are carried on a vertically movable platform 22 the upward step-by-step movement of which is effected by mechanism started and stopped by switch-gear 24, this latter being actuated by a lever 27 connected to a feeler rod 23 which carries at its lower end a roller 26 resting on the uppermost bar 5. The platform 22 is formed with a recess 33 into which, when the last bar 5 has been charged, the roller 26 drops, this movement actuating the switch-gear 24 to effect lowering of the platform. The arms 10 and roller 26 are prevented from dropping during recharging of the platform by downward movement of a hand-lever 34 which is connected, through toothed segment 36 and chain and pinion gearing 37, 38, 39 to fingers 40 integral with the arms 10, and through slotted arm 43 and lever 42 to the guide 25 for the feeler rod 23.