China Railway Construction Heavy Industry applies for patent on boom anchor bolt trolley, optimizes boom system structure, and enhances performance and operational stability

March 21 News: According to the State Intellectual Property Office, China Railway Construction Heavy Industry Group Co., Ltd. has applied for a patent titled “Boom System and Anchor Rod Carriage.” The application publication number is CN121701089A, the application number is CN202610160758.4, the publication date is March 20, 2026, and the application date is February 4, 2026. The inventors are Zhang Yusheng, Wan Wei, and He Suiqiu. The patent agency is Beijing Chaofan Hongyu Intellectual Property Agency Co., Ltd., with patent agent Cao Can. The classification codes are E21B15/04, E21B7/02, E21D20/00.

Patent Abstract: The application discloses a boom system and anchor rod carriage, where the boom system includes a swing arm, a pitch leveling seat, a lateral leveling seat, an anchor rod base, an anchor rod unit, a pitch leveling cylinder, and a vertical rotation drive. One end of the swing arm is rotatably connected to the chassis; the other end is hinged to the pitch leveling seat. The pitch leveling cylinder is located below the swing arm, with one end hinged to the swing arm and the other end hinged to the pitch leveling seat. The lateral leveling seat is connected to the pitch leveling seat via a vertical rotation drive, which drives the lateral leveling seat to rotate relative to the pitch leveling seat, with the rotation axes perpendicular. The lateral leveling seat, anchor rod base, and anchor rod unit are sequentially connected. This system offers improved reliability and lifespan, simplified structure, lower cost, faster response, more flexible operation, and effective energy savings, while maintaining stable operation of the anchor rod carriage.

China Railway Construction Heavy Industry was established on November 23, 2006, and listed on the Shanghai Stock Exchange on June 22, 2021. Its registered and office address is in Changsha, Hunan Province. It is a leading domestic high-end equipment manufacturing enterprise, mainly engaged in tunneling machines and related equipment, with full industry chain advantages and significant investment value.

Main business includes design, R&D, manufacturing, sales, leasing, and services for tunneling machinery, rail transit equipment, and specialized equipment. It is classified under the Shenwan industry category of Mechanical Equipment - Construction Machinery - Complete Construction Machinery, involving concepts such as railway infrastructure, government holdings, and state-owned enterprise reform.

In 2025, the company’s operating revenue reached 10.045 billion yuan, ranking 2nd out of 2 in the industry, below the top-ranked Shantui Co., Ltd. with 14.62 billion yuan. The industry average and median are both 12.333 billion yuan. The main business revenue is 9.972 billion yuan, accounting for 99.27%, with other (supplementary) revenue of 72.84 million yuan (0.73%). Net profit was 1.483 billion yuan, ranking 1st in the industry, higher than Shantui’s 1.214 billion yuan, with industry averages and medians at 1.349 billion yuan.

Recent patent filings by China Railway Construction Heavy Industry Group Co., Ltd. include:

Note: The full list continues with similar entries.

Disclaimer: The market involves risks; investment should be cautious. This article is automatically generated by an AI model based on third-party databases and does not represent Sina Finance’s views. All information herein is for reference only and does not constitute personal investment advice. Please refer to official announcements for accuracy. For questions, contact biz@staff.sina.com.cn.