The manufacturer, Komatsu Co., Ltd., was established in 192 1 year with a history of 80 years and advanced production experience in the field of construction machinery. In February, 20001,Komatsu (China) Investment Co., Ltd. was incorporated in Shanghai with a registered capital of 34.57 million US dollars.

2. Hitachi

Hitachi Construction Machinery Co., Ltd. was established in Tokyo, Japan on June 1 970+1October1. Today, Hitachi Construction Machinery Group is one of the largest integrated companies engaged in the manufacture, sales and service of construction machinery, transportation machinery and other mechanical equipment in the world. Hitachi Construction Machinery (China) Co., Ltd. was established on March 27th, 1995, located in Hefei Economic and Technological Development Zone. The company is mainly engaged in the manufacture, sales, service and spare parts supply of excavators and other construction machinery.

3. Caterpillar

Founded in 1925, American Caterpillar Company is one of the largest manufacturers of construction machinery and mining equipment, gas engines and industrial gas turbines in the world, and also one of the largest manufacturers of diesel engines in the world. Caterpillar (China) Investment Co., Ltd. was established in Beijing on 1996. Today, Caterpillar has invested and established 65,438+065,438+0 production enterprises in China, manufacturing hydraulic excavators, compactors, diesel engines, crawler-type walking devices, castings, power graders, crawler-type bulldozers, wheel loaders, parts of remanufactured construction machinery and generator sets.

4. Volvo

Sweden Volvo Group was founded in 1924. Volvo Construction Equipment Company is a member of Volvo Group and a world-renowned manufacturer of construction equipment. Mainly produces different types of excavators, wheel loaders, self-propelled graders, articulated trucks and other products. Volvo Construction Equipment (China) Co., Ltd. was established in March 2002, with its headquarters in Shanghai.

5. Daewoo

Korea Daewoo Group 1967 was founded by Jin Yuzhong. Its products have always represented the development level of Korean machinery industry, and have created recognized achievements in the fields of diesel engines, excavators, vehicles, automatic machine tools, robots and so on. 1 9941June1day, Daewoo Heavy Industry Yantai Co., Ltd. was established in Yantai, China, mainly producing heavy industrial products such as excavators, forklifts and machine tools. Daewoo Company was acquired by Doosan Company with 565,438+0% shares in 2005.

6, HYUNDAI (Hyundai)

Hyundai Heavy Industry Co., Ltd. is the main company of Hyundai Group of Korea. Hyundai Heavy Industries was established in Ulsan City, the southeast tip of the Korean Peninsula, on 1972. And relates to the industrial fields of automobiles, construction machinery, forklifts and the like. Beijing Hyundai Capital Company was established in Beijing on September 1 2002, and Beijing Hyundai Industry is gradually becoming one of the major forklift and excavator manufacturing suppliers in China.

7. Kobelco Limited

Kobe Steel Works was established in 1905. In 10, Kobayashi Construction Machinery Co., Ltd. became a subsidiary of Kobe Steel Works in Japan, specializing in manufacturing and selling construction machinery such as excavators and cranes. In August 2003, Chengdu Shenzhen-Hong Kong Construction Machinery (Group) Co., Ltd. was established in Chengdu, China. Its subsidiaries include Chengdu Shenzhen-Hong Kong Construction Machinery Co., Ltd. (producing hydraulic excavators) and Sichuan Chengdu Chenggong Construction Machinery Co., Ltd. (producing wheel loaders and other equipment). Chengdu Shenzhen-Hong Kong Construction Machinery (Group) Co., Ltd. mainly sells construction machinery such as Shengang brand hydraulic excavators and Chenggong brand wheel loaders.

8. Case (case)

1842 Inventor Jerome Increase founded Case Company in Racine, which is the first agricultural steam engine manufacturer in the world. 19 12, KES is located in the construction machinery and equipment industry, producing highway construction equipment. By the mid-1990s, KES had developed into the world's leading manufacturer of small and medium-sized construction machinery and equipment. Mainly produces and sells excavators, loaders and other construction machinery and equipment.

9.SANY Heavy Industry (SANY)

Mainly engaged in the manufacture and sales of R&D construction machinery, and its products include more than 25 categories 120 varieties, such as construction machinery, road construction machinery and lifting machinery. The leading products are concrete pump, concrete pump truck, concrete mixing station, asphalt mixing station, roller, paver, grader, truck crane and crawler crane. Among them, the market share of concrete pump truck, concrete pump truck and full hydraulic roller ranks first in China, and the output of pump truck ranks first in the world. It is a global manufacturer of large-scale long-arm and large-displacement pump trucks. At present, Sany concrete conveying equipment and crawler crane equipment have become domestic brands.

10, Aotai Heavy Industry (AOT)

The company insists; Quality is more important than Mount Tai, and reputation is more important than life. Our philosophy and purpose are market-oriented, customer-centered, serving the society, paying attention to quality, strengthening management and vigorously advocating; People-oriented, quality first, customer first, reputation first; The principle of creating a brand with beautiful appearance, convenient and dexterous operation, high work efficiency, safety and durability, and showing the vitality of the company.

Precautions:

1. Excavators are fixed assets with large economic investment. In order to improve its service life and obtain greater economic benefits, the equipment must be staffed, scheduled and fixed, and the responsibilities must be clearly defined. When the post must be transferred, the equipment shall be disclosed.

2. After the excavator enters the construction site, the driver should first observe the geological conditions and surrounding environment of the working face, and there should be no obstacles within the rotating radius of the excavator to avoid scratching or damaging the vehicle.

3. After the machine is started, no one is allowed to stand on the bucket, shovel arm and crawler to ensure safe production.

4. When the excavator is working, it is forbidden for anyone to stay or walk within the radius of gyration or under the bucket. Non-drivers are not allowed to touch and touch the cab, and they are not allowed to bring training drivers to avoid damaging electrical equipment.

5. When the excavator moves, the driver should observe and whistle first, and then move, so as to avoid safety accidents caused by someone near the machine. After moving, the position should ensure that there is no obstacle in the space of the rotating radius of the excavator, and illegal operation is strictly prohibited.

6. After the work, the excavator should be moved away from the low-lying place or the edge of the geosyncline (ditch) and parked on the flat ground, and the doors and windows should be closed and locked.

7. The driver must do a good job in the daily maintenance, overhaul and maintenance of the equipment, and make a daily record of the use of the equipment. There is something wrong with the vehicle, so he can't work with illness and report for repair in time.

8. The cab must be clean, and the surface of the car body must be clean, free of dust and oil; Get into the habit of cleaning the car after work.

9. The driver should record the day shift in time, count the work content of the day, handle the odd jobs or zero items outside the project in time, and make a record of checkout.

10. Drivers are strictly forbidden to drink and drive after drinking at noon during working hours. If it is found, it will be given economic punishment and the economic losses caused will be borne by itself.

1 1. For man-made vehicle damage, it is necessary to analyze the causes, find out the problems, distinguish the responsibilities, and impose economic penalties according to the severity of the responsibilities.

12. We should establish a high sense of responsibility, ensure safe production, do a good job in communication and service with employers, do a good job in bilateral relations, establish a good work style, and work hard for the development and efficiency of enterprises.

13. Excavator operation is a special operation, and driving an excavator requires a special operation certificate.

14. Maintenance is a no-no for maintenance.

References:

Excavator-Baidu Encyclopedia