US 11,866,903 B2
Electrically-driven vibratory hammer
Deng Lin, Wenzhou (CN); Yuanwan Chen, Wenzhou (CN); Jian Zhang, Wenzhou (CN); Zhenyu Yang, Wenzhou (CN); Zengzeng Chen, Wenzhou (CN); Yachun Zhang, Wenzhou (CN); and Min Jia, Wenzhou (CN)
Assigned to Zhejiang Yongan Construction Machinery Co., Ltd., Wenzhou (CN)
Filed by Zhejiang Yongan Construction Machinery Co., Ltd., Wenzhou (CN)
Filed on Jun. 17, 2022, as Appl. No. 17/842,976.
Claims priority of application No. 202110739078.5 (CN), filed on Jun. 30, 2021.
Prior Publication US 2023/0002996 A1, Jan. 5, 2023
Int. Cl. E02D 7/18 (2006.01)
CPC E02D 7/18 (2013.01) 19 Claims
OG exemplary drawing
 
1. An electrically-driven vibratory hammer, comprising a vibratory hammer body, the vibratory hammer body being sequentially provided with a vibration damping device, a vibration device and a clamping device, the vibration device comprising a vibration excitation box, a top plate linked with the vibration excitation box, a plurality of eccentric wheels and vibration excitation motors linked with the eccentric wheels, the eccentric wheels each being arranged in the vibration excitation box and provided with a semicircular cross section, the vibration damping device comprising a vibration damping frame erected on the top plate, a plurality of pieces of vibration damping rubber evenly distributed on the vibration damping frame and a vibration absorption cover connected with the vibration damping frame, and the clamping device comprising an electrically-driven clamp arranged at an end, away from the vibration damping device, of the vibration excitation box, wherein the vibratory hammer body further comprises storage batteries, the vibration excitation motors are electrically connected with the storage batteries, one end of the electrically-driven clamp is connected with the vibration excitation box, another end of the electrically-driven clamp is provided with a movable toothed plate and a fixed toothed plate, one side of the electrically-driven clamp is provided with a clamping electric cylinder electrically connected with the storage batteries, and the clamping electric cylinder drives the movable toothed plate to move back and forth towards the fixed toothed plate through a telescopic driving structure, so that the movable toothed plate and the fixed toothed plate form a clamping jaw;
wherein the telescopic driving structure comprises a motion cavity for the movable toothed plate arranged inside the electrically-driven clamp, a piston sleeve arranged in the motion cavity and fixedly connected with the movable toothed plate, a screw rod arranged in the piston sleeve, a driving gear arranged at an output end of the clamping electric cylinder, and a synchronous belt engaged with the driving gear, one end of the screw rod is in threaded connection with the piston sleeve, a driven gear meshed with the synchronous belt is arranged at another end of the screw rod, and the clamping electric cylinder drives the piston sleeve to move towards the fixed toothed plate along the motion cavity through the synchronous belt.