GB950838A - Improvements in or relating to housings for speed reducers - Google Patents

Abstract

950,838. Toothed gearing ; lubricating. FALK CORPORATION. June 7, 1960 [July 9, 1959], No. 19951/60. Headings F2A and F2Q. A casing for interchangeable reduction gearing comprises upper and lower sections 31, 32 having at the plane of cleavage 2-2 registering recesses 45, 46, 47 which provide axially aligned, spaced circular openings in which parallel gear shafts may be journalled. In a single reduction unit employing gears 57, 58 on shafts 59, 60, Fig. 2, the openings 45 are closed by detachable cover plates 69. Detachable shaft guards 63, 64 and oil retaining members 67, 68 are mounted on the side walls of the casing and apertures 42, 56 in end and side walls are provided with detachable covers 43, 69 respectively. A removable closure member 71 covers an inspection or access opening 70 and an oil drain plug 40 and dip stick hole 39 are provided. A transverse tie bar 75 reinforces the upper section 31, and oil wiper members 77 are supported from a bar 76. Fig. 6 shows an arrangement of double reduction gearing employing parallel shafts 59, 86, 89 carrying gears 57, 87, 88 and 90. A triple reduction gear is shown in Fig. 7 in which a shaft 97, carrying gears 98, 99, is journalled in bearings mounted in the apertures 56. Figs. 11 and 12 respectively show double and triple reduction assemblies for right angle drive arrangements, the driving shafts being mounted in the aperture 42. A motor having a supporting bracket mounted directly on the exterior surface of the casing may be connected directly to one of the shafts. Lubrication arrangements comprise oil wiper members 77, Fig. 3, which are supported from a bar 76 and feed oil to troughs 80 from which the oil passes through bores 78, 79 to bearings supporting gear shafts. A force-feed system comprises a pump 145, Figs. 13, 14, which delivers oil through a conduit 151, communicating with a water-fed oil cooler 151a, to a manifold 152 for discharge through spray openings 153 for direct application to the gears and through ports 150 to shaft bearings. A lubricant reservoir 155 is located below the gearing and communicates with the pump 145 through a pipe 151.