Excavators are heavy construction equipment consisting of a boom, dipper (or stick), bucket and cab on a rotating platform known as the "house".[1] The house sits atop an undercarriage with tracks or wheels. They are a natural progression from the steam shovels and often mistakenly called power shovels.[citation needed] All movement and functions of a hydraulic Excavator are accomplished through the use of hydraulic fluid, with hydraulic cylinders and hydraulic motors.[2] Due to the linear actuation of hydraulic cylinders, their mode of operation is fundamentally different from cable-operated excavators which use winches and steel ropes to accomplish the movements.[3]
Excavator parts include Excavator extended arm, extended arm standard bucket, rock bucket, reinforced bucket, wood grabber, ripper, excavator oil cylinder, breaker, bucket teeth, tooth seat, crawler, supporting roller, roller, hydraulic pump, distribution Valve, center slewing, slewing bearing, travel drive, cab, control valve, relief valve, main control multi-way valve, starter motor, display screen, guide wheel, idler roller, drive tooth, chain, slewing bearing , Crawler, Tensioner, Main Oil Seal, Cylinder Repair Kit, Hydraulic Cylinder, Bucket Cylinder
Excavator Parts,Hitachi Excavator Parts,SANY Excavator Parts,Komatsu Excavator Parts Shandong Vio Machinery co.,ltd. , https://www.shantui-xcmgparts.com
Statistics show that last year Hebei steel production exceeded 100 million tons, ranking first in all provinces, cities and municipalities for six consecutive years. The production can be too dispersive. There are more than 100 iron and steel enterprises involved in production, of which there are 26 private iron and steel enterprises with output of more than 1 million tons. The concentration is not high, the products are not competitive, and the resources and environment are under pressure.
The Hebei coal industry also has problems such as low concentration, unreasonable scale economy, extensive management and management, and excessive environmental costs. Hebei's coal production is about 80 million tons, but there are 349 coal companies in the province. Among the top three companies, Kailuan, Jinneng and Fengfeng have output of only 30 million tons, 20 million tons and 10 million tons.
From the perspective of the domestic steel industry development trend, since the state promulgated the "Iron and Steel Industry Development Policy" in July 2005, there have been more than 20 large and medium-sized iron and steel enterprises in China that have achieved mergers and acquisitions, and this merger and reorganization has broken through regional and ownership restrictions. Baosteel Group shifted from a regional restructuring to a national layout. Anshan Iron and Steel Group and Benxi Steel Group restructured based on northeast China and developed southeast and southeast. After WISCO integrated the Huazhong Iron and Steel Industry, it extended its tentacles to the Southwest, and Shandong Jinan Steel and Laiwu Steel would form 2000 in Shandong Peninsula. 10,000 tons to 30 million tons of large-scale steel group.
Judging from the development trend of domestic coal enterprises, in 2004, the national “Eleventh Five-Year Development Plan for the Coal Industry†was promulgated, proposing appropriate subsidies for government bonds, focusing on supporting large-scale coal companies to merge and integrate small and medium-sized coal mines, and formulating practical policies to encourage coal companies. Jointly reorganize and guide the formation of large-scale backbone enterprises with a capacity of 100 million tons and 50 million tons; encourage coal enterprises with advantages to implement a series of policies such as integrated management of coal-fired electricity, coal, electricity, and transportation. Since then, Shanxi, Henan, Anhui and other places have accelerated the integration of coal companies. The Shenhua Group, by becoming bigger and stronger, has an annual output of 235 million tons of raw coal.
Under the background of the nationwide coal and steel industry integration, Hebei Province explored this aspect in 2005. Tangshan Iron and Steel, Xuan Gang and Cheng Gang’s three state-owned steel companies formed the Xintang Steel Group through a portfolio of assets. From January to April this year, the profits of the province's steel industry decreased by 2.4% year-on-year, but the profit of the newly formed Tangshan Iron & Steel Group increased by 42.38% compared with the same period of last year. At the same time, the Jinneng Group, which was formed by the merger of the assets of the Xingtai, Handan, and Jingwei mining bureaus, also performed well.
Judging from practical experience, Hebei Iron and Steel and the coal industry have to struggle harder than ever before. The most fundamental measure is to use high industrial concentration to promote the optimization of industrial structure and product structure so as to completely eliminate low-level resources. Utilize and low-grade capacity expansion. Therefore, the provincial party committee and the provincial government made the decision to instruct the provincial SASAC to fulfill its investor's responsibilities, use property rights as a link, industrial policy as a basis, and industrial trends as a reference, resulting in the strategic restructuring of enterprises in the two major industries.
The establishment of the two major groups symbolizes that Hebei Province has taken a key step in the integration of the steel and coal industry chain, and has important strategic significance for the sound and rapid development of the Hebei economy.
A key step in the strategic integration of Hebei's strategic coal and steel industry
In the iron and steel and coal industries, the former is a strategic support industry in Hebei Province and is hailed as “the eldest son of industryâ€; the latter is a traditional pillar industry in Hebei and plays a dominant role in energy consumption in Hebei. They played an important role in promoting Hebei's economic development, but there are many contradictions and problems in their development.