US 11,725,359 B2
Vibro-hammer having side grip
Wan Bin Lim, Seoul (KR)
Assigned to Sterling Technology Inc., Hwaseong-si (KR)
Appl. No. 17/251,388
Filed by STERLING TECHNOLOGY INC., Hwaseong-si (KR)
PCT Filed Nov. 30, 2020, PCT No. PCT/KR2020/017223
§ 371(c)(1), (2) Date Dec. 11, 2020,
PCT Pub. No. WO2022/114312, PCT Pub. Date Jun. 2, 2022.
Claims priority of application No. 10-2020-0163084 (KR), filed on Nov. 27, 2020.
Prior Publication US 2022/0349145 A1, Nov. 3, 2022
Int. Cl. E02D 7/18 (2006.01)
CPC E02D 7/18 (2013.01) 4 Claims
OG exemplary drawing
 
1. A vibro-hammer having a side grip which grips and vibrates a perforated pile, comprising:
a mount portion which is connected to a construction heavy equipment machine;
a side clamp portion which houses a gear box generating vibrations and includes a pair of arms and a pair of side grip;
a housing bracket which is coupled to the mount portion and the side clamp portion to connect the mount portion and the side clamp portion; and
a bottom clamp which is located at a lower end of the side clamp portion to vibrate an upper end of the perforated pile; and
an auxiliary close contact portion,
wherein in the side clamp portion, a pair of rotating shafts is respectively provided in an upper portion and a lower portion of the gear box and one end of each of the pair of arms penetrates the rotating shaft to be coupled and rotates about the rotating shaft,
one end of the side grip is coupled to the other end of the arm, and the other end of the side grip comes into close contact with or separated from an outer surface of the perforated pile, and
the pair of arms includes a gear arm therein, and when the gear arm is gear-coupled to the arm and one arm is rotated, the other gear-coupled arm is also rotated, and the arm and the side grip is away from each other or close to each other,
wherein the housing bracket is provided to be separated from a side surface of the side clamp portion,
a plurality of anti-vibration rubbers are provided in a separate space between the housing bracket and the side clamp portion, and
anti-vibration rubber brackets are provided on both side ends of the anti-vibration rubber, the anti-vibration rubber bracket is coupled to an inner surface of the housing bracket and the outer surface of the side clamp portion so that the side clamp portion is fixed to be separated from the housing bracket inside the housing bracket,
wherein the side grip includes a close-contact portion which comes into close contact with an outer surface of the perforated pile when the perforated pile is gripped and has a plurality of protrusions on a close contact surface, and
the pair of side rips is close to each other or away from each other according to a rotation of the arm, and the close-contact portion comes into close contact with or separated from the outer surface of the perforated pile,
the auxiliary close contact portion which protrudes in a front direction from a front surface of the side grip and has an engagement groove recessed, and formed at a side surface of the close-contact portion,
wherein a ball bearing is provided on the outer surface of the close-contact portion rotating shaft penetrating the side grip.