Seat-force-free pneumatic impact hammer device

• Main Authors: ZHANG ZHIYUAN, QI WEIWEI, QIANG LIGANG, JIANG TONGWEI, XIAO TAOKANG, WANG KENAN, GUO CHAO, HU JING, WANG BANGMENG
• Format: Patent
• Language: Chinese; English
• Published: 29.03.2024
• Subjects: HAND TOOLS; MANIPULATORS; PERCUSSIVE TOOLS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TRANSPORTING

The invention relates to the technical field of impact hammers, in particular to a seat-force-free pneumatic impact hammer device. Comprising a shell, an impact body assembly, a hammering piston assembly and an impact air cylinder. The impact body assembly is provided with an elastic piece and an impact rod, and the right end of the peripheral face of the impact rod is provided with a first protruding part. The hammering piston assembly is provided with a piston piece, the piston piece is provided with a main body part and an impact part located on the left side of the main body part, the piston piece moves towards or away from the impact rod, a hammering piston front air chamber and a hammering piston rear air chamber which are not communicated are formed between the main body part and the impact air cylinder, and the impact part is located in the hammering piston front air chamber. The impact cylinder is positioned in the working cavity and is provided with a first mounting step close to the inner circumfer