Mechanical anchor nailing device for jacking anchor rod in position between piles through PCMW construction method and application method

• Main Authors: WANG JIANYING, BAI ZHUO, GONG SHUMING, WANG YOUXIONG, LI JING, LIU YANG, TENG GUANGWU, HAO LING, HUANG SUJIN, QIANG PENG, YANG BAOLONG, RUI XINGLONG, SHAN ZHUJIAN, QIAN SHAOBO, YANG JUNQING, CHEN ZHONGBING
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2017
• Subjects: EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; HYDRAULIC ENGINEERING; SOIL SHIFTING; UNDERGROUND OR UNDERWATER STRUCTURES

The invention relates to a mechanical anchor nailing device for jacking an anchor rod in the position between piles through a PCMW construction method. The device comprises a plurality of anchor rod pipe segments capable of being connected, an anchor rod expanding head, a feed mechanism, a pumpback mechanism and an expanding mechanism. The anchor rod expanding head is composed of an outer pipe, an outer supporting rod and an inner pipe. The feed mechanism includes a rack tail plate, bases, guide beams, a center guide beam, reinforcing ribs, reinforced steel channels, a movable counter-force small beam, force transmission rods, locating plates, locating pins, a front counter-force beam and a cross-core jack. The pumpback mechanism comprises a counter-force force transmission rod, a rear counter-force beam, the cross-core jack, a core rod and a clamping fixed cap. The expanding mechanism comprises the counter-force force transmission rod, a jack and an adjusting block. The invention further discloses an applica