Dafang Company was established in 1984.
1995 successfully developed the first cable-stayed bridge erecting machine in China, which was the first in Asia and the third in the world at that time.
1997 successfully developed the first1000t mobile formwork bridge-building machine in China, which was used in Haicang Bridge in Xiamen.
1999, the first 450-ton tire girder carrier and the first 450-ton railway bridge erecting machine in China were successfully developed and used in Qinhuangdao (Huangdao) Shenyang (Shenyang) passenger dedicated line;
In 2000, the first 450-ton segmental bridge erecting machine in China was successfully developed and used in Shanghai Liuhe Bridge.
In 2000, the first 500-ton hydraulic aqueduct ditcher in China was successfully developed, which was used in the Dongjiang-Shenzhen water supply project.
In 200 1 year, the first 200-ton tire girder lifter in China was successfully developed and used in Shanghai maglev project;
In 200 1 year, China's first100t independent steering power flat car was successfully developed and put into use in Zhejiang Shipyard.
In 2004, China's first 900-ton tire beam carrier and bridge erecting machine were successfully developed and used in railway passenger dedicated lines.
In 2005, China's first 900-ton tire girder lifter was successfully developed and applied to the railway passenger dedicated line project;
In 2006, DPG500, China's first high-speed railway automatic track-laying unit, was successfully developed and used in railway passenger dedicated lines;
In 2006, China's first 2500-ton hydraulic flatbed truck was successfully developed for transporting super-large components.
In 2007, China's first metallurgical125t automatic lifting trolley was successfully developed and put into use in Shagang Group.
So far, more than 300 bridge erecting machines, more than 600 gantry cranes and more than 200 powered flatbed cars have been produced.
2. Has undertaken a number of national and provincial scientific research projects.
1) undertook the "National 863 Program and Torch Program Project-DCY 900 Tyred Beam Carriers", which has passed the national acceptance, and its achievements have filled the domestic gap, making China the third country to master this technology and own this product after Germany and Italy, and its technology has reached the international advanced level. Its product standards have also been upgraded to national standards, and won the first prize of Zhengzhou Science and Technology Award and the second prize of Henan Science and Technology Award.
2) The major technical equipment research project "Development of complete sets of technology and equipment for large-scale water conservancy aqueduct construction of South-to-North Water Transfer Project" undertaken by the National Tenth Five-Year Plan passed the national acceptance, making China the first country at home and abroad to introduce bridge technology and technology into water conservancy aqueduct construction.
3) The key scientific and technological project "DPG500 Track-laying Unit" undertaken by the Ministry of Railways fills the gap in China, making China the fourth country to master this technology and own this product after the United States, Sweden and Austria.
4) Undertaking the national science and technology support project: the installation and maintenance equipment technology and industrial development of high-rise space building projects will fill the domestic gap, successfully break through the key technologies of self-propelled aerial work vehicles, strive to achieve international leading or advanced technological achievements, and make the comprehensive performance index of this equipment reach the advanced level of similar products in the world.
5) The key high-tech industrialization project undertaken by Henan Province has passed the acceptance, and the implementation of this project has increased the sales income of enterprises by 400 million yuan and increased the profits and taxes by more than 50 million yuan.
6) The project "Development of DF900-ton High-speed Railway Erection and Handling Equipment" undertaken by Zhengzhou City passed the provincial and ministerial appraisal, filled the domestic gap, and the technology reached the international advanced level, and won the first prize of Zhengzhou Science and Technology Progress.
7) It has undertaken a number of key scientific and technological projects in Erqi District, such as "DLT450 tire beam lifter" and "DFYT60Y fire ladder", and achieved good economic and social benefits.
3. Presided over and participated in the formulation of many national and industry standards and norms.
Presided over the drafting of the national standard "general technical conditions for power flatbed cars";
Participated in drafting eight industry standards, such as Technical Conditions for the Development of Shelf Equipment for Beijing-Shanghai High-speed Railway, Technical Conditions for the Development of Track-laying Units for Beijing-Shanghai High-speed Railway, Technical Regulations for the Safety of Overhead Crane, Technical Regulations for the Safety of Cantilever Crane, Terminology for Cluster Construction Machinery, Information Exchange for Cluster Construction Machinery, Safety Regulations for Bridge Erecting Machine and General Technical Conditions for Bridge Erecting Machine, and established the company's position in this field.
4. Obtained nearly 30 national invention patents, utility model patents and design patents.
The company has obtained nearly 50 national inventions, utility model patents and design patents related to major construction equipment in the fields of expressway, high-speed railway, maglev train engineering, water conservancy engineering, shipbuilding and metallurgical engineering. At the same time, he has published more than 50 papers in core journals at home and abroad.
5, won a number of scientific and technological awards.
1) In 2000, the DF450 bridge erecting machine project won the third prize of scientific and technological progress in Henan Province;
2) In 2006, the project of "DLT900 Tire Powered Flat Car" won the first prize of Zhengzhou Science and Technology Progress Award and the second prize of Henan Science and Technology Progress Award.
3) In 2007, "DLT900 Handling Machine" won the first prize of Zhengzhou Science and Technology Progress Award.
4) In 2007, the project "Key Technology Research and Equipment Development and Typical Engineering Application of Heavy Lifting and Handling Machinery" won the first prize of China Machinery Industry Science and Technology;
5) In 2007, "Key Technologies of networked electro-hydraulic proportional control of large-scale hoisting and transporting machinery and its application of series products" won the second prize of China Machinery Industry Science and Technology.
6) In 2008, the project of "DF900 Fixed-point Lifting Bridge Erector" won the first prize of Zhengzhou Science and Technology Progress Award, and achieved the impressive achievement of winning the first prize of Zhengzhou Science and Technology Progress Award for three consecutive years.
In recent years, with the strong support of the local government, Zhang Zhihua, the general manager, led Dafang employees to work hard with extraordinary courage and courage, making the company develop from a little-known factory into a leading R&D enterprise of special major engineering equipment in China with an annual output value of more than 600 million yuan, realizing the leap-forward development of the company. Wang Wenchao, member of the Standing Committee of the Provincial Party Committee and secretary of the Municipal Party Committee, visited the company for inspection and guidance many times, and the company was listed as one of the independent innovation enterprises supported by Zhengzhou Municipal Party Committee and Municipal Government. It has been awarded the honorary titles of "Top Ten Innovative Enterprises in Zhengzhou", "High-growth Private Enterprises in Zhengzhou", "Advanced Unit of Leaping Development in Zhengzhou", "Demonstration Unit of Patent Work in Zhengzhou", "Demonstration Enterprise of Manufacturing Informatization in Zhengzhou", "Advanced Unit of Independent Innovation in Science and Technology in Zhengzhou" and "50 High-growth High-tech Enterprises in Zhengzhou".
DCY series power flatbed car is a high-tech product of "mechanical, electrical and hydraulic integration" independently developed by 1999 company. The company owns the completely independent intellectual property rights of this product, and the product has obtained the national utility model patent: variable amplitude power flatbed car (ZL 01240166.8); Double pipeline safety valve (ZL 03254678.5).
The whole vehicle adopts hydraulic drive, hydraulic suspension, independent steering, frame hydraulic leveling, CAN bus micro-electric control and other technologies.
After more than eight years of continuous improvement and perfection. The product has been upgraded to the sixth generation, which has been greatly improved in design concept, manufacturing and assembly technology, testing and testing, and its performance has reached the international advanced level.
This product is the main equipment for transporting steel hulls between processes in shipyards, and is also suitable for transporting large steel mills and super-large precast concrete members on public (railway) roads.
DCG series special transport vehicles for steel mills are specially developed for metallurgical enterprises. The main purpose is to improve the utilization rate of transport vehicles. Vehicles are suitable for the transportation of raw materials, finished products (billets, plates, coils) and wastes in the factory.
The special vehicle for lifting transportation consists of a main vehicle and a plurality of vehicle slots (frames). The design of special transport vehicle fully draws on the advantages of similar products at home and abroad, and the supporting parts adopt well-known products at home and abroad as far as possible to ensure the advanced technology and reliable performance of special transport vehicle.
brief introduction
Zhengzhou Dafang Bridge Machinery Co., Ltd. is a national high-tech enterprise. An innovative enterprise specializing in designing and manufacturing heavy construction machinery and equipment. Through technological innovation, our company has successfully designed and manufactured a series of important engineering buildings; Manufacturing equipment with independent intellectual property rights in the fields of expressway, railway expressway, water conservancy project, maglev expressway, shipyard, port construction, military engineering, etc., among which more than 20 national patents have been obtained, and more than 20 domestic 1 numbers have been created, filling more than 20 domestic gaps, making our technology and products in a leading position in domestic heavy manufacturing equipment, and some even in the world. Advanced technology has greatly improved our core competitiveness. In addition, our products have been successfully exported to Korea, Singapore, Malaysia, Vietnam, Philippines, Indonesia, Thailand, Bangladesh, Hong Kong and Bulgaria with advanced technology, excellent price and experienced sales team.
1984, Zhengzhou Dafang was established.
In 1995, the 1st unit of & domestic 150t cable-stayed bridge erecting machine was successfully designed for the construction of Jiangyin Yangtze River Bridge.
In 1997, the & domestic1000t bridge-building machine 1st unit was successfully designed for the construction of Haicang Bridge in Xiamen.
In 1999, a 450-ton domestic girder carrier 1st unit was successfully designed and used in Qin-Shen high-speed railway.
In 2000, the 1st bridge-building machine for water tank was successfully designed and manufactured, which was used in the construction of Dongguan-Shenzhen water supply project.
200 1, successfully designed & The 1st unit of100t shipbuilding transport vehicle was manufactured in China, and used in Zhejiang Shipbuilding Co., Ltd. for moving blocks.
200 1, successfully designed & domestic 200-ton tire gantry crane 1st unit, used in Shanghai maglev project construction.
In 2004, a 900-ton domestic beam carrier 1st unit was successfully designed for railway expressway engineering.
In 2005, a 900-ton tire gantry crane 1st unit made in China was successfully designed for the railway expressway project.
In 2006, the domestic DPG500 tracklayer 1st unit was successfully designed for railway express.
In 2007, the 1st unit of 125t metallurgical self-propelled hydraulic transport vehicle was successfully designed and manufactured, which was used in Jiangsu Shagang Group, a steel plant in Jiangsu Province, China.
So far, there are more than 300 bridge manufacturing machines and; More than 600 gantry cranes have been successfully designed. Used.
So far, more than 200 shipyard transport vehicles have been successfully manufactured. Used in domestic and foreign shipyards.
He undertook some national high-tech projects, such as the DCY900 beam carrier research project, one of China's national 863 projects, and successfully established the project in 2004. In addition, it also undertook the research project of DPG500 rail laying machine issued by the Ministry of Railways, which was successfully developed in 2006. It also undertook Df900 bridge builder and DLT900 gantry crane.
DCY series self-propelled hydraulic transport vehicle is a high-tech product integrating machinery, electricity and liquid developed by Dafang people. Our company has independent intellectual property rights. DCY series transport vehicle and the double-tube safety valve used in the vehicle have obtained national patents with patent numbers ZL 0 1 2 40 166.8 and ZL 03254678.5 respectively. The equipment adopts hydraulic drive, hydraulic suspension, independent steering, platform hydraulic leveling, CAN bus micro-electronic control and other technologies. After 8 years of continuous research and development. Up to now, the equipment has developed to the sixth generation, which is more reliable in design concept, manufacture and maintenance than previous generations. Assembly art, testing and experiments, as well as performance and. The reliability has reached the international level. DCY series transport vehicles are used for the displacement of steel blocks in shipyards and steel mills, and also for the displacement of prefabricated bridges on expressways. Construction of railway express line.