Diesel hammer capable of delivering uplift blows and method...

Details Diesel hammer capable of delivering uplift blows and method... Diesel hammer capable of delivering uplift blows and method...

F - Mech Eng,Light,Heat,Weapons

02

B

171/5

F02B 71/04 (2006.01) E02D 7/12 (2006.01) E02D 9/02 (2006.01) F02B 71/02 (2006.01) F02B 3/06 (2006.01)

Patent

CA 1206101

-26- ABSTRACT A diesel hammer (20) is adapted to produce uplift blows by connecting its casing (30) via a pulling connection (52) to a case (24) to be pulled, removeing vent plugs (76) from the top of the casing, sealing all other openings (78), (82), (94), in the casing, applying compressed air from an external source (106) under the hammer ram (32) to drive it upwardly and thereafter allowing controlled flow of air out of the casing via a bleed line (118) and an adjustable orifice(238) to cushion the subsequent fall of the ram.

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