US 12,215,478 B2
Ram block arrangement and piling hammer using electric machine
Tomi Voutilainen, Kuopio (FI); and Roni Ryyppö, Helsinki (FI)
Assigned to Junttan Oy, Kuopio (FI)
Appl. No. 18/719,389
Filed by Junttan Oy, Kuopio (FI)
PCT Filed Dec. 13, 2022, PCT No. PCT/FI2022/050829
§ 371(c)(1), (2) Date Jun. 13, 2024,
PCT Pub. No. WO2023/111397, PCT Pub. Date Jun. 22, 2023.
Claims priority of application No. 20216269 (FI), filed on Dec. 13, 2021.
Prior Publication US 2024/0426070 A1, Dec. 26, 2024
Int. Cl. E02D 7/14 (2006.01); E02D 13/04 (2006.01)
CPC E02D 7/14 (2013.01) [E02D 13/04 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A ram block arrangement for a piling hammer, comprising:
a ram block comprising a frame arrangement for enclosing one or more ram weights therein, wherein the ram block is configured movable by an electric machine;
a connector configured to connect the ram block to a mover of the electric machine or to a mover connected to the electric machine by an eccentric drive unit,
wherein the connector comprises a collar portion adapted to a diameter of the mover for connecting the collar portion around a circumference of the mover; and
wherein the connector has a base portion configured to connect with the frame arrangement and an intermediate portion for connecting the collar portion and the base portion together.