Submerging ramming arrangement

Details Submerging ramming arrangement Submerging ramming arrangement

1981-12-14

1984-10-30

Kazenske, E. R.

Tool driving or impacting

Impacting devices

With means to cause or control advance of hammer head

173148, 173 19, 173 83, 173DIG1, B23B 4516, B23Q 5027

Patent

active

044795505

ABSTRACT:
A submerging ramming arrangement has a housing, an impacting body axially displaceable in the housing for delivering ramming impacts against a ramming pile, a hydraulic drive for displacing the impacting body in the housing, a hydraulic cylinder-and-piston unit arranged in an upper portion of the housing and having a cylinder, a piston sealingly displaceable in the cylinder and subdividing the same into first and second chambers, a piston rod connected with the piston and having a portion extending from the first chamber coaxially outwardly beyond the cylinder, a holding element for mounting the arrangement on a supporting element and provided on the outwardly extending portion of the piston, a hydraulic accumulator communicating with the first chamber of the cylinder-and-piston unit and arranged for receiving excess hydraulic medium under pressure, and an indicating element actuated by the piston of the cylinder-and-piston unit within a predetermined distance from a respective end of the cylinder-and-piston unit.

REFERENCES:
patent: 2689547 (1954-09-01), Pearson
patent: 3141509 (1964-07-01), Bent
patent: 4043405 (1977-08-01), Kuhn
patent: 4075858 (1978-02-01), Frederick

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