The knowledge for types and model of excavators
The knowledge for types and model of excavators
First, the type of excavator
1, according to the operation process
Cycle work (single bucket) and continuous operation (multiple bucket).
2, by purpose
General purpose (architectural or versatile) and special type (for mines, excavations, etc.).
3, according to the power points
Internal combustion engine (mainly diesel engine), hybrid type, electric type.
4, according to the power transmission method
Mechanically driven, hydraulically driven and hybrid, modern excavators are fully hydraulic excavators.
5, according to the walking device
Tracked, tire type.
6, according to different working devices
Shovel, backhoe, shovel, shovel, hoisting, etc.
7, according to the quality of the excavator (size)
Large excavator: refers to ≥30t (t refers to tons)
Medium excavator: 10-30t
Small excavator: refers to <10t
Second, the excavator model
1. Preparation method of excavator model in China
1) Use "W" to indicate the excavator.
2) The hydraulic excavator is indicated by "Y" and the electric excavator is indicated by "D".
3) The "L" indicates the tire type excavator, and the L indicates the crawler type excavator.
4) Main parameter code: The quality of the whole machine is represented by numbers, and the unit is tons.
5) Variant update code: It is represented by uppercase Chinese pinyin letters A, B, C, D, etc. in the order of variant update.
For example: WY25 - indicates a crawler excavator with a mass of 25 tons;
WYL12.5____ indicates a tire excavator with a total mass of 12.5 tons.
Note: China began to imitate the excavator of the former Soviet Union from the middle and early 20th century, and has always used the bucket capacity as the first main parameter. For example, the former model WY250 indicates a hydraulic excavator with a bucket capacity of 2.5 m3. Single, only for excavation, using the value of the bucket capacity to compile the model, can directly reflect the ability and effect of the excavator as a digging earthmoving machine. However, after entering the 1970s, with the extensive use of excavator supporting equipment, the scope of use of excavators has been greatly expanded. For example, after the excavator is installed with a hydraulic hammer, it can be used for crushing operations. It fully reflects the working ability and effect of the excavator. In recent years, more and more countries have adopted the weight of the whole machine as the standard for excavator grading and model preparation. The excavator has a large weight, its power is large, and the excavator has a large working capacity. Therefore, the weight is the parameter that reflects the most essential characteristics and grade of the excavator itself. China's GB9139.1-8 standard stipulates that the machine weight is used as the main parameter to compile the model, which reflects the common trend of excavator development.
2. Distribution of excavator products and manufacturers in China
1) Yuchai Engineering: WY1.3 WY1.5 WY2.5 WY3.5 YC25
2) Changlin Modern: R220LC R200-- indicates that the bucket capacity is 0.87m3, the whole machine
An excavator with a mass of 19.6 tons.
3) Changjiang Group: WY202 (the whole machine quality is 20 tons) WY403 (the whole machine quality 39
T) R962 (the whole machine quality is 65 tons).
4) Guangxi Liugong: WY40A CLG60 CLG300 (the whole machine quality is 30 tons)
5) Precious mine: JY200-3 JY220 JY500
3, China's common import and joint venture production excavator model
Take the Japanese Komatsu series excavator as an example: PC200-6
The first part: generally letters, indicating the product code (enterprise code),
PC--Japan Komatsu series,
The second part: specification code, the number divided by 10 equals the quality of the product, the unit is tons. 200 divided by 10 equals 20, the mass of the excavator is 20 tons.
The third part: the deformation product code LC-- is the extension type, HD-- is the aggravation.
The fourth part: some are numbers, some are letters, indicating the deformation update code, for example: 6--6th generation products.
1. Yantai Doosan Daewoo (Korea)
DH55 DH200 DH360LC-V DH65--- represents the Daewoo excavator with a mass of 6.5 tons.
2. Jining Komatsu (Japan)
PC200-7 PC60-7 PC220-8 - indicates the Komatsu excavator with the eighth improvement of the whole machine quality of 22 tons.
3. Tangshan Sumitomo (Japan)
SH200-3 SH450HD-3 SH800-HD - indicates that the quality of the whole machine is 80 tons and the Sumitomo brand excavator.
4. Xuzhou Carterpillar (USA)
307D 200B 325C
5. Hefei Hitachi (Japan)
The EX100 EX200-7 EX300-3 represents the Hitachi excavator with a third improvement in mass of 30 tons.
6. Chengdu Kobelco (Japan)
SK04 SK200-2 SK350LC - represents the Kobelco excavator with a total weight of 35 tons.
7. Changzhou Hyundai (Korea)
R200 R220LC R230-7 - The modern brand excavator with the seventh improvement of the whole machine quality of 23 tons.
8.KATO (Japan)
HD770 HD850 HD880-5 - The fifth-improved KATO excavator with a total mass of 88 tons.
9. Liebherr, Germany: R308 R220LC R360LC-3
The product model consists of five parts: the first part is a German letter A or R, A--- indicates a tire type excavator, R--- indicates a crawler type excavator; the second part is an Arabic number indicating the excavator code , 9-- represents the hydraulic excavator; the third part is already an Arabic numeral, indicating the grade code, divided by machine weight, represented by 0--9, but the number does not directly indicate the actual weight of the machine, the fourth part is still a Arabic numerals, indicating series code, 1-- indicates the first series, 2-- indicates the development based on the first series
The second series; the fifth part is a set of English letters, STD-- indicates standard type, LC-- is extended type, HD-- is aggravated. For example: R922LC--- represents the crawler type extended hydraulic excavator, the machine weight is the second level, belonging to the second series.
10. Germany Demark Company: H85 H55 The models indicate that the machine weight is 85 tons and 55 tons.
11. Guangxi Liugong
CLG60 CLG200-3 CLG220LC - indicates the Guangxi Liugong excavator with a total weight of 22 tons.
12. Sany Heavy Industry
SY200 SY220C - The Sany brand excavator with the third improvement of the whole machine quality of 22 tons.
