(57) A device (1) for lubrication of the fixing means (8) of the rails (9) of a track
(10) is described, said fixing means (8) being arranged on the opposite sides of each
rail (9) and having a part (8s) projecting upwards, which device comprises:
- a body (2) containing lubricating fluid;
- one or more bearing members (3,4) which support said body (2) and are capable of moving
in contact with the rail (9) when they are pushed by means of propulsion (7);
- two tubes (5,6) extending down at one end into the lubricating fluid contained in
said body (2) and terminating at the other end in an ejection nozzle (5u,6u) which
is directed downwards at an angle (α) in relation to the vertical, each of said two
tubes (5,6) forming part of a hydraulic system (11) provided with a mechanical pump
(12) of the positive-displacement type which conveys the lubricating fluid to said
ejection nozzles (5u,6u) and is actuated by a striker member (13), which is articulated
on the body (2) and is directed towards the bearing plane (γ) of the rail (9), when
the same striker member (13) pushes against said projecting part (8s) of the fixing
means (8) on account of the translation of the device (1) along the rail (9).
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