Recently, Jiangsu PG Slot Crane Machinery Co., Ltd. (hereinafter referred to as "LDT"); Company” ）The robotic arm underwater fixed-point soil sampling robot, which participated in the construction, officially appeared at the construction site of the 5th pier sinking well of Changtai Yangtze River Bridge. This is another intelligent equipment supplied by the company, following the specialized gantry crane for caisson construction and the intelligent monitoring system for caisson construction.

The underwater soil retrieval robot for deep water caisson foundation is innovatively developed and invested in by CCCC Second Harbor Engineering Co., Ltd., and jointly manufactured by our company and Shanghai Zhenhua Heavy Industry. On August 25th, the lower structure of the robot developed by Zhenhua Heavy Industry was sent to the company for final assembly with the upper structure manufactured by the company, and factory debugging work was carried out. After joint inspection by all parties involved in the construction, it was shipped to the 5th pier caisson of Changtai Yangtze River Bridge for on-site installation, for use in blind spot excavation operations.

The robot operates in a water depth of over 70 meters, and the soil breaking robotic arm can achieve 360 degree full rotation operation with a maximum operating radius of 8 meters. It consists of an upper platform, a lifting double cable winch, a working robot body, and hydraulic, electrical and other systems. During operation, the robot body is lowered into the underwater main tower pier, and the four oil cylinders of the body frame work to push the main tower pier, in order to maintain the balance of the body and achieve the support function of soil breaking and milling. The milling cutter head under the body is driven by the robotic arm to perform soil breaking operations.

Jiangsu Grete, as a well-known lifting machinery supplier in the Yangtze River Delta region, actively participates in major local construction projects. In the construction project of the Shanghai Suzhou Nantong Bridge, which officially opened in July this year, equipment such as 1800 ton gantry cranes and various types of general-purpose gantry cranes were supplied. The company adheres to the innovative development concept advocated by the country, cooperates closely with the bridge construction party, integrates traditional construction methods with advanced technology, promotes intelligent construction, and helps bridge construction improve in risk control, difficult points, and other aspects.