This standard specifies the types and parameter series of round scraper chains (hereinafter referred to as scraper chains) and drive sprockets (hereinafter referred to as sprockets) for cantilever roadheaders. This standard is applicable to cantilever roadheaders used underground in coal mines, and also to round scraper chains and sprockets for other coal mining machinery such as coal loaders and continuous miners. MT/T 928-2004 Series and parameters of round scraper chains and drive chains for cantilever roadheaders MT/T928-2004 Standard download decompression password: www.bzxz.net

I73. 100. 10
Preparation number: 1548—2005
Coal Industry Standard of the People's Republic of China
MTF/T 928--2004
Buom-type roadheader
Series and parameters of scraper round linkchain and driving sprocket
2004-12-14 Issued
National Development and Reform Commission
2005-06-01 Implementation
Current Model Non-referenced Documents
Terms and Definitions
Parameter Series
Reference Documents
MT/T 928--2004
MT/T92E-2C54
This international standard is proposed by the Ministry of Science and Technology of the United Nations Industrial Development Association. This standard is issued by the National Coal Industry Coal Mine Equipment Standardization Technical Committee. The originating unit of this standard is: Taiyuan Branch of the China Coal Research Institute Coal Furnace Machinery Factory. The originators of this standard are: Wei Baorui, Shao Bei, Xu Renzi and Liu Jianping. 1. Series and parameters of circular scraper chain and cantilever roadheader drive sprocket
MF/T 929-2004
This standard specifies the types and series of scraper chains (hereinafter referred to as plate chains) and drive sprockets (hereinafter referred to as cylinder wheels) of cantilever roadheaders.
The car marking is applicable to the suspended type conveyor used in coal mines, the ten-turn coal ceremony and the continuous coal execution and its estimated drying expansion machinery.
2 Normative reference documents
The clauses in the following documents become the clauses of technical standards through the reference of this standard. For any document with a legal date, all subsequent amendments (including the internal wear of the date error) or revisions shall not be applicable to this standard. However, the latest version of this document shall be used in accordance with the research and development of all parties that have verified the lack of the standard. For all referenced documents without mentioning the date, the following standard shall apply with the latest version: GB/T1271A-321 High-strength chain for mining VT/T1:1997 M1/T231-1:1 Scraper transmission machine drive sprocket 3 Terms and definitions The following terms and definitions are used for this standard,
single-chain type
cemre single-chain 1ype
to be used inside the machine. The chain on the scraper is located at the center of the scraper: 3.2
sidedouble-chain type sidedouble-tluinlype transmission system is connected in the machine, and the scraper bars are located at both ends of the scraper. Position: rewrite M[/ 15- 2r2. definition, \, 3.3
double English type ent mountain n mountain le-ha mountain kp
plate in the machine to play a role in the rain stock certificate strip on the plate carefully not more than two pick width 20 and. Ratio: change 4 2T21 15--250, set this 2, 9, 3.4
chain center distance
ceaitre-distaneeufchain
to near the pregnant sales type into the middle type when the two circles five social center more 4 types
4.1 scraper chain type
scraper chain type is divided into:
) single chain:
h) side double board type
WWwT.MT/T 92B—2004
ten double energy type. 4.2 Type of sprocket The type of sprocket shall comply with the provisions of MI/T:1, No. 3. 5. The recommended chain shall comply with the provisions of 1997 for round link chains and the ring shoe specifications and bearing quality grades shall comply with the table of CB/T12713 for the bearing quality grades of open ring chains or wire chains. The specifications and mechanical properties of the chain shall comply with the specifications of MT1-17: 5.3 Center distance of scraper chain 5, 3. The center distance of double chain type scraper chain shall be the value of 2. 2
Quality and Environmental Science
5.3.2 Double chain type
5.3.2.1 When using E-type frequency bolt type plate, the center distance should be 0,120mr.22×s5
Center distance
#0.400,513bzxz.net
Unit meter
575.45r:,500.60n,550.7c2
450.5x.650.650. 7c
59U.600.550.700.H5
5.3.2.2 When using chain type scraper, the center section is 6c, 7c, 8500mm5.4 The length of the single energy scraper
is recommended to be 38c.433.489.593.$76,710,?*cmm.5.5 The number of rings between two adjacent scrapers
The number of rings between the two sections is 9,1. It is allowed that a group of less than 1 in the chain will not be a high number of rings, as the length section ring. The sprocket parameter series
chain set series should meet the requirements of 3.
Regulations
Gear tooth sample
Section box
24 ×50
13 x64
References
2Expansion month to plate transmission machine type and attenuation number
M-/T15—2332
MT/T1351935Roll type into machine type output
MT/T 928—2004
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