Patent TW-356506-B (TW)
Title: Hydraulic loop structure
Inventor: HUANG WEI-FENG
IPC: F15C1/06
Filed: 1997-01-15
Granted: 1999-04-21
Abstract: A hydraulic loop structure consisting of a machine seat, a fixation holder, an oil path middle sleeve, an oil path inner sleeve, a fixed shaft, a plurality of bends and a plurality of oil-pressure motor, wherein: the fixation holder has a protruded ring structure with a plurality of spaced-apart screw holes for screws to secure the machine seat and the fixation holder to the machine; the oil-path middle sleeve is a hollow pipe with a plurality of spaced-apart holes on both sides of its outer margin for connecting the entering oil pipes from the oil tank; the inner walls of the middle sleeve has spaced-apart annular recess; the oil-path inner sleeves are pipes with a through-hole of pre-determined diameter in the middle as the pipes for oil sent back from the hydraulic motor; the outer margin of the oil-path inner sleeves also has a plurality of spaced-apart recess, and each recess has a cavity which does not penetrate the inner sleeve, but connects to the plurality of perforated holes on one end surface of the inner sleeve; the performated holes are arranged spaced-apart a end surface of the inner sleeve, a screw hole is arranged between the perforated holes for connecting to the spiral teeth of the fixed shaft; the fixed shaft has a pipe on one end and a plate on the other end, the pipe is situated in the middle of the plate and forms in one piece as they connected together vertically; one end surface of the pipe of the fixed shaft has a plurality of spaced-apart perforated holes with a fixation screw teeth arranged between the holes for connecting to the screw holes of the inner sleeve; on the other side of the pipe there are two sleeve rings lying over each other; the diameter of the outer ring is greater than that of the inner ring; the pipe, the inner ring and the outer ring are in one unitary piece overlying each other and connecting to the plate; the outer ring has a plurality of recess and a large recess; the center of the pipe has a pre-set large perforation which connects to the large recess and forms a plurality of perforations around the periphery of the large-holed ring which are connected to the same plurality of recess; one wall surface of the plate has a plurality of pivotally connecting perforations which connect to the plurality of holes on the outer margin of machine seat; a plurality of hydraulic motors which transform the hydraulic flow energy into mechanical energy; each motor has an entrance and an outlet for the movement of the activated oil, the plurality of motor exits are connected to a large bend through connecting pipes; the large bent pipe is connected to the large recess at the outer sleeve ring of the fixation shaft as the common pipe for returned oil, the plurality of motor entrances are arranged with bends respectively and connected to the plurality of recess at the outer sleeve ring of the fixed shaft as the pipe for the activated oil from the inner sleeve which flows to single hydraulic motor respectively, so as to providing single control over the single hydraulic motor; a plurality of bends as the pipes for the movement of the activated oil which are connected respectively to the plurality of spaced-apart through-holes at the middle sleeve so as to be connected to the spaced-apart annular recesses; and the plurality of bends are connected to the plurality of recess at the outer margin of the inner sleeve, the plurality of recess at the outer sleeve ring of the fixed shaft and the plurality of hydraulic motors form an entering oil pipe.