File:O&K catalogue N° 800, page 47, O&K Klien-Lindner Locomotives. German text. O&K Lokomotiven mit lenkbaren Kuppelachsen (Hohlachsen) mit Radial- und Seitenbewegung (Bauart Klien-Lindner).jpg
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DescriptionO&K catalogue N° 800, page 47, O&K Klien-Lindner Locomotives. German text. O&K Lokomotiven mit lenkbaren Kuppelachsen (Hohlachsen) mit Radial- und Seitenbewegung (Bauart Klien-Lindner).jpg |
Deutsch: O&K catalogue N° 800, page 47, O&K Klien-Lindner Locomotives. German text. O&K Lokomotiven mit lenkbaren Kuppelachsen (Hohlachsen) mit Radial- und Seitenbewegung (Bauart Klien-Lindner)
Lokomotiven mit lenkbaren Kuppelachsen (Hohlachsen) mit Radial- und Seitenbewegung. (Bauart Klien-Lindner.) English: Locomotives with steerable coupled axles (hollow axles) with radial and lateral movement. (Klien-Lindner design.) For railways with steep gradients and relatively light track construction, locomotives with two or three coupled axles often do not meet the requirements of increased traffic. Due to the high costs involved, the existing tracks are not converted and heavier locomotives with a larger number of axles are used. Where curvatures preclude the use of long, fixed wheelbases, locomotives with steerable bogies or, for the sake of simplicity, locomotives with curvilinear coupled axles will be used. The acquisition of such locomotives will also be advisable for such new designs where the track systems and bridges are easier and cheaper to build. In recent years, locomotives with curved coupled axles have been built in particular according to the K lien-Lindner design, which has proved extremely successful in operation, and we refer to the description of this hollow axle given below. The advantages of this design are: 1. large tractive force at a given permissible wheel pressure, 2. large wheelbase with the best curve mobility and equal spring loading on both sides of each end axle and thus safe running of the locomotive. 3. shock-free running into curves, as well as safe return to the centre position when running on straight track. 4. equally good running when driving forwards and backwards. 5. low wear of the rails and wheel tyres. It should be noted here that we have developed a new type of trolley for the Royal Prussian State Railways and many other railways. State Railways and many other railways we have built locomotives with steerable coupled axles of this type in large numbers. The administration of the military railway has also introduced 4/4-cab locomotives with steerable coupled axles in place of the 3'3-cab double field railway locomotives previously built. The arrangement and mode of operation is as follows: The laterally and radially movable coupled axle is installed as the end axle, and in the case of four- or five-axle machines, these steering axles arranged at both ends ensure that the locomotive can enter the curves without difficulty. All axles are coupled in the usual way by fixed rods and mounted in axle bushes "bb" outside the wheels, following the spring play. The axle bushes sit in a continuous, fixed frame on which the steam cylinders are arranged in the usual way. The steering axle consists of a core axle "a" fixed in "bb" and driven in the usual way, and a hollow axle "c" which is firmly connected to the wheels and can be moved laterally and radially and which encloses the core axle, which is provided with a ball attachment in the middle, by means of a two-part ball cup "d". The load on the axle is distributed by the ball pivot of the core axle "a" as it were by a transverse balancer on both wheels of the axle and thus equal wheel pressures and safety against derailment are obtained. The hollow axle is driven by a driving pin "f" pressed into the ball pivot of the core axle with sliding pieces at both ends, which have the necessary lateral play in the housing of the hollow axle for the deflection of the axle. In order to return the hollow axle to its central position after deflection, either return springs are arranged in the central housing, or, as can be seen in the following illustration, counter-guides "g" are arranged which, by means of brackets, enclose the hollow axles in the auxiliary bearing positions "ee" and effect unconstrained, shock-free adjustment of the hollow axle, since both end axles must execute their radial or lateral movement simultaneously. In order to counteract the unsteady running of the steering axles on the track and any lurching of the locomotive, these locomotives are fitted with an adjustable safety device which holds the drawbar frames in the central position on the track by means of spring tension; no pressure is exerted against the bearing points with this resetting device. These axles do not require any maintenance except for periodic lubrication. The periodic lubrication mentioned is only necessary at intervals of i to 2 months and is carried out after loosening the two lubricating screws "s" located on the centre of the axle by introducing grease or viscous oil into the sliding boxes of the driving pin. Only during a general inspection of the locomotives is it necessary to also inspect the hollow axles to make sure that the internal parts are in good condition. For more information on the advantages of locomotives with curved axles and the advantages of the different systems in comparison, see the paragraph "Choice of locomotives" (fol. 18). |
Date | |
Source | Orenstein & Koppel (O&K) - Catalogue N°800, Lokomotiven, deutsch (ca 1910) |
Author | Orenstein & Koppel (O&K) |
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