Taiyuan Iron and Steel (Group) Co., Ltd. (referred to as Taiyuan Iron and Steel, referred to as TISCO) was established in 1934 and is located in Taiyuan, the Dragon City on the bank of the F River.
Taiyuan Iron and Steel Co., Ltd. is a large steel group integrating iron ore mining and steel production, processing, distribution and trade.It is also a global leader in the stainless steel industry, with an annual production capacity of 12 million tons of steel (including 4.5 million tons of stainless steel).
TISCO leads development with innovation.Relying on scientific and technological innovation platforms such as the National Technology Center and the State Key Laboratory of Advanced Stainless Steel Materials, Taiyuan Iron and Steel has formed a high-efficiency, energy-saving and long-life product cluster, mainly stainless steel and cold rolling.Silicon steel and high strength steel series.It is used in key fields and emerging industries such as petroleum, chemical industry, shipbuilding, container, railway, automobile, urban light rail, large power station, 'Shenzhou' series spacecraft and more than 20 kinds of duplex steels, heat sources, etc.Resistant steel, steel for railway industry, axle steel, etc.The domestic market share of this variety is the first, and more than 30 varieties have filled the domestic gap and replaced imports.
TISCO adheres to green development and advocates economical, environmental protection, civilized and low-carbon production and lifestyle.It has successfully implemented dry quenching, controlling the humidity of coal, coke oven gas desulfurization and acid production, sintering flue gas desulfurization and denitrification, and blast furnace gas.Circular power generation, blast furnace gas residual pressure power generation, saturated steam power generation, steel slag treatment, membrane industrial water treatment, urban domestic sewage treatment, acid regeneration and other energy-saving and environmental protection projects, the main energy-saving and environmental protection protection indicators are in the leading position in the industry.
Taiyuan Iron and Steel adheres to reform and opening up, and accelerates transformation and development.Build resource guarantee bases and steel expansion and processing bases to build an internationally competitive upstream and downstream industrial chain; develop new materials, engineering technology, financial services, international trade and other related diversified industries to form new profit growth points; promote international business, It maintains stable economic and trade relations with more than 80 countries and regions such as the United States, Germany, France, the United Kingdom, Japan, South Korea and Australia, and maintains China's largest stainless steel export volume.
TISCO has successively won the 'China Industry Award', 'Nomination Award for the First Chinese Government Quality Award', 'National Quality Award', 'National Circular Economy Advanced Unit', 'National Top Ten' Independent Innovation ', 'National Technological Innovation Demonstration Enterprise', 'The Most Socially Responsible National Enterprise', 'Labor Relations Harmonious Demonstration Enterprise', 'National Enterprise Culture Construction Advanced Unit', 'National Greening Demonstration Unit' and other honorary titles.
Facing the future, TISCO will insist on strengthening the main business, expanding development, diversified development, green development, and harmonious development, building the most competitive stainless steel company in the world, and becoming a world-class large-scale enterprise group.
DBY two-stage transmission conical cylindrical gear reducer
Conical helical gear reducers (hereinafter referred to as reducers) are used in transmissions in which the input shaft and output shaft are arranged in the vertical direction.Mainly used in belt conveyors and various transportation machinery, also used in the transmission mechanism of various general machinery, such as coal, metallurgy, mining, chemical industry, building materials, light industry, petroleum, etc.
1. The use, performance characteristics and model marking of the reducer
1.1 Purpose
Conical helical gear reducers (hereinafter referred to as reducers) are used in transmissions in which the input shaft and output shaft are arranged in the vertical direction.Mainly used in belt conveyors and various transportation machinery, also used in the transmission mechanism of various general machinery, such as coal, metallurgy, mining, chemical industry, building materials, light industry, petroleum, etc.
1.2 Performance characteristics
High load capacity, low noise, small size, light weight, high efficiency and long service life.
1.3 Parameter range
DBY, DBYK and DBZ reducers each have 12 specifications, and the nominal center distances are: 160, 180, 200, 224, 250, 280, 315, 355, 400, 450, 500, 560 mm.There are 5 transfers per specification.Compared with (8, 10, 11.2, 12.5, 14) two rotation directions and four assembly types, 240 kinds of reducers are formed respectively.
There are 15 specifications of DCY, DCYK and DCZ reducers.The nominal center distance is: 160, 180, 200, 224, 250, 280, 315, 355, 400, 450, 500, 560, 630, 710, 800mm; each specification has 11 transmission ratios (16, 18, 20, 22.4, 25, 28, 31.5, 35.5, 40, 45, 50), two directions of rotation, four assembly types and 660 kinds of reducers.
This series of reducers can meet the power requirements of TD and DX belt conveyors and other transport machinery within the working range of belt speed 0.8-6.5m/s.
1.4 Structure
Lubrication of the reducer: Usually, the gears and bearings of the reducer are lubricated by the splashed oil pool and cooled naturally.Only when the working balance temperature of the reducer exceeds the specified value or the carrying power exceeds the firepower PG1, the oil pool with cooling pipe is used for lubrication.
1.5 Model and marking
The model of the reducer is composed of model code, nominal center distance a (center distance of the final stage), nominal transmission ratio, component model code and input shaft rotation direction code.
D is the group code of the belt conveyor, B is two-stage transmission, C is three-stage transmission, Y is hard tooth surface, Z is medium hard tooth surface, and K output shaft is a hollow shaft.
Nominal center distance: represented by actual numbers, in millimeters
Transmission ratio: expressed by the nominal transmission ratio.
Assembly type: Indicated by Roman numerals I, II, III, IV.
The direction of rotation of the input shaft: When looking at the direction of the input shaft, S is clockwise and N is counterclockwise.
Markup example:
The nominal center distance is 280mm, the nominal transmission ratio is 10, the component type is Type III, and the input shaft rotates clockwise.The sign of the three-stage transmission reducer is: reducer DBY280-10-III S
