Some standard content:
ICS53.044.1
Machinery Industry Standard of the People's Republic of China
JBT898-1999
Walled belt conveyor
Published on 1999-06-28
National Machinery Industry Week
2000-01-01 Implementation
JB.T890B—1999
Because the corrugated belt conveyor adopts the main parts of the universal belt conveyor, this standard quotes the relevant chapter of R.T10595—19894 Technical Requirements for Belt Conveyors. Appendix A of the content standard is the appendix of the standard.
This standard is proposed by Beijing Hoisting and Conveying Machinery Research Institute, and the main body of this standard is: Beijing Hoisting and Conveying Machinery Research Institute, Qingdao Conveying Equipment Manufacturing Plant. The drafting parties of this standard are: Shengpindiliu Rubber Factory, Youdaoshelong Soft Belt Factory, Shengdao Huaxia Belt Co., Ltd. The main drafters of this standard are: Xia Yan, Liu Bin, Tang Yan, Yang Jianguo, Sun Facheng. Fan Nan
Machinery Industry Standard of the People's Republic of China
Corrugated Sidewall Belt Conveyor
Walled Belt Conveyor
JB/T 8908-1W349
This standard defines the type and technical parameters of the belt conveyor (hereinafter referred to as the conveyor!), and requires that the conveyor be tested according to these regulations, marked, packaged and stored. This standard is mainly applicable to machines that continuously convey various bulk, granular and other loose materials at an angle of 1 to 30°. The humidity is 2.-140°.
2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in and to the standards. When this standard is published, the versions listed are valid: The non-standard versions will be revised to explore the possibility of using the latest versions of the following standards: GB-T$26—1989
GHT1184—1
GH: 28281987
GBTT44901994
GR-T Sn1S1985 | 9439—1988
CB10595—1989
GBJ13921989
GH.11246J—1950
GH:] 133U6—[59]
GRIT 133341J2
JB77007{993
JB,T 7330
JB,T 9000
JB,T 9001
Physical "transportation quantity and quality regulations
Shape and position specifications. Unmarked specifications
Batch inspection counting sampling procedures and batch list (follow-up inspection of manual batches) Extract conveyor belt dimensions
Elastic pin tooth core coupling
Plum blossom shaped elastic coupling
Method for determining the inter-layer bonding strength of conveyor belts Conveyor belt groove properties or test methods
Ordinary material core conveyor belts
Surface corrosion grade and derusting grade of steel products before painting Scratching test of color liquid and dirt tanks
Quality chain components
Belt conveyor technology
|The following. Cast carbon steel parts for process use
Good quality guarantee for steel joints without falling and grade labels
General technical conditions for the installation of electrical products
ZJY shaft-mounted circular gear reducer
Driving roller
General technical conditions for hydraulic clutch
Reducer for transportation machinery
Approved by the State Machinery Industry Bureau on June 28, 1999 and implemented on January 1, 2000
Type and basic parameters
JB/T8908—1999
The type and code of the conveyor belt should comply with the provisions of Table 1. Table
3.2 Model
The model marking of the conveyor shall comply with the provisions of F, a port
Type code (scale!)
Inclination angle, (\)
Overlap height, m
Diameter of transmission roller, cm
Base bandwidth, cm
Code of corrugated belt conveyor
Marking example:
Base bandwidth is 57hmm, transmission roller diameter is 500mm, sidewall width is 80mm, and angle of inertia is 30: The marking of the corrugated sidewall belt conveyor with type S is:
Conveyor DJ5050-8/505JB 8908-19993.3 Basic parameters
3.3.1 Width, || tt||300，400,500，650,800,1000,[200.1400,1600，1B00,2000,2200，24003.3.2 Nominal belt transfer, m/s
0.25,0.315,0.4.0.3,D.63,0.8,1.0、1.25,1.0.2.0,2.5、3.15,4.03.3 Roller diameter, mm
20.250.315，400，500.630，800，1000,125，1400,16003.3.4 Change the same wheel diameter, num
200,250.315，400.500,630.||tt ||3.3.5 Height of stopper.mm
R00.1000,1250,1600,2000.250040,60.80,100,120,160,200,240,300,400,500.6303
3.3.6 Inclination angle, "°1
JB/8988-1999
30.35.40,45.50.55,60,65.70,75,80,5,904 Technical requirements
4.1 The conveyor shall comply with the provisions of the water standard and shall be manufactured according to the samples and technical documents approved by the established procedures. 4.2 The front parts of the spring steel shall not have defects such as thick lines, interlayers, sink marks, and plating, and shall be Remove the burrs and burrs. 4.3 Chain parts shall comply with the provisions of GB/T9439 and GA/T11352. 4.4 Welding shall comply with the requirements of GB/T12469 for defect classification level II. 4.5 All parts must be inspected and qualified before they can be assembled. Matching parts and purchased parts should have quality certificates and can only be used after they are inspected and qualified according to relevant standards.
4.6 Dynamic equipment
4.6.1 Electric motors shall comply with the provisions of GB/T7330. 4.6.2 The coupling shall comply with the provisions of GB/T9000. 4.6.3 The reducer shall comply with the provisions of GB/T7007 and GB/T9001. 4.6.4 The coupling shall comply with the provisions of GA/T5272 and GB/T5015. 4.6.5 After the check valve is installed, the reducer or electric roller should be reliable in the check direction and flexible in the non-check direction. 4. After the reversing wheel is installed, its outer radial runout should meet the requirements of GB/T1184411. 4.8 The roller should meet the requirements of 3.32, 3.5 and 38 in GD10595-1989, and 4.9 The shaft should meet the requirements of 3.9 in GD10595-1989. 4.1 The frame should meet the requirements of GB/T10595-1969=3.11. 4.11 Rust removal and painting
4.11.1 Before painting, the steel surface shall be rust-removed and shall meet the requirements of 5a2 or St3 in GB8923. 4.11.2 The rust-removed parts shall be coated with one layer of primer and two layers of topcoat. Pinholes, air fall, flow and shedding are not allowed in the primer. The topcoat shall be uniform, bright and smooth. The total thickness of the filter membrane shall be 75-105μm and the adhesion of the paint film shall meet the requirements of Level 2 in GB/T938. 4.12 Corrugated side guard box reverse belt
4.12.1 The minimum and maximum deviation of the base belt shall comply with the provisions of GB/T4490. 4.12.2 The mechanical properties of the base belt shall comply with the provisions of GB/T7984. 4.12.3 The basic cost shall not exceed 0.03. 4.12.4 The external quality of the flange, rib and diaphragm shall comply with the provisions of (8/T526). 4.12.5 The rib and diaphragm shall not have a joint. 4.12.6 The dimensions and limit deviations of the rib and diaphragm shall comply with the provisions of Table A2 in Appendix A (Standard Appendix). 4.12.7 The tearing slowness of the rib shall not be less than 1BMPa.The tearing rate shall not be less than 450%, the wear rate shall not exceed 120mm, the hardness (type A) of the board shall be 55~65, and the aging test shall be oxidized (oxygen concentration 50×10-m/m, 40/24h without corrosion). The hardness of the yellow board (type A) is 65\-70°, and the wear rate shall not exceed 110mm4.12.8 The bonding strength between the sidewall, the horizontal plate and the base shall not be less than 6N/mm. d.12.9 The sidewall and the base shall be straight after bonding, and the straightness within any 5m length shall be 5mm4.12.10 The spacing between the horizontal partitions shall be an integer that is consistent with the sidewall shape and shall be aligned with the trough of the sidewall. The gap between the mouth of the horizontal plate and the sidewall wave shall not exceed T2mm.
JB/T8908-199
4.12.11 The strength of the transverse diaphragm reinforcement screen shall not be less than 4.8N/mm. 4.13 Installation
4.13.1 The overall assembly of the conveyor can be carried out on site. The drive device and conveyor belt shall be assembled in the manufacturer. The drive device shall be assembled and tested.
4.13.2 The center straightness of the conveyor frame shall meet the requirements of Table 2, and ensure that the straightness within any 5m length is 2mm
Conveyor length
s10-30
>30 -50
>50~160
>:00-150
>150~300
4.13.3 The flatness of the center line of the conveyor belt, anti-skew belt (wheel) and support (!) belt assembly with the horizontal plane is 1000:1000 of the conveyor axis length. 4.134 The symmetry between the center line of the conveyor belt and the conveyor frame line shall comply with the provisions of the table.
Time Certificate
801600
413.5 The surface of the conveyor belt is located on the same plane (water surface or inclined surface) or on the same common radius (concave or convex section), and the height difference of the adjacent group of conveyor belts shall not exceed 2.0mm, 4.13.6 The distance between the bottom of the guide belt and the top of the upper edge shall not be greater than 5mm, and the width of the guide belt shall not exceed 8% of the effective bandwidth. 4.11. After the installation of the empty section sweeper, the contact degree between its plate and the conveyor belt shall not be less than 90% of the maximum belt width, 4.14 Overall performance range
4.14.1 The machine shall not have abnormal collision phenomenon during operation. When the conveyor belt is running under load, the rotating components shall rotate flexibly, and the driving device shall not have abnormal belt movement and penetration phenomenon,
4.14.2 The conveyor belt is stable, and the outer side of its edge is connected with the redirection or support 1! 4.14.3 The distance between the belt end face and the steering wheel shall not exceed 8mm. 4.14.4 The beating and cleaning device and the beating device shall have good performance and stable performance. The beating wheel of the beating device shall rotate smoothly, and the conveyor belt shall be connected evenly. 4.14.5 The anti-weather wheel shall rotate or record, which can effectively prevent the conveyor belt from running. 4.14.6 The tensioning device should be adjusted carefully to ensure reliable performance and ensure that the conveyor moves and the conveyor belt does not break during operation. 4.14. The bucket and material guide should ensure that the conveyor runs without blockage and particle withdrawal. 4.14.8 The no-load channel value of the conveyor should comply with the provisions of GB/T10595-19B911.[4.3. 1.14.9 Various electromechanical protection devices should be accurate and reliable. 4
5 Test method
E8908-1999
5. "Simplified Chinese: 4.14.6 The tensioning device should be adjusted carefully to ensure reliable performance and ensure that the conveyor moves and the conveyor belt does not break during operation. 4.14. The bucket and material guide should ensure that the conveyor runs without blockage and particle withdrawal. 4.14.8 The no-load channel value of the conveyor should comply with the provisions of GB/T10595-19B911.[4.3. 1.14.9 Various electromechanical protection devices should be accurate and reliable. 4
5 Test method
E8908-1999
5. "Simplified Chinese: 4.14.6 The radial movement of the outer network should be measured according to 4.t.6 of GB/T10595-1989Fr. Determination of radial runout of steering wheel: Fix the steering wheel on the test stand: Use the dial indicator to measure the outer surface of the test piece (see Figure 1), and use the dial indicator to measure the runout of each position around the test piece, and take the largest one. White scale
steering wheel
5.2 Roll, Determination of the flexibility of the steering wheel
Install the test wheel (see Figure 2 and Figure 3). Wrap one end of a thin rope around the test piece and fix it, and block the male end. Measure the mass of the test piece when it starts to rotate, and calculate the resistance coefficient G
of the test piece under the condition of the test: _—Force coefficient of the test piece;
2 — Added to the outside of the tested piece, the mass of the rotating part of the tested piece, kg, 5.3 Determination of the minimum thickness of the roller, tt, and tt. Use a gold full-point measuring instrument to measure it. On the circumference of the part between the receiving plate and the roller surface, take 4 points every 9° and 50mm from the edge of the roller skin, and take the largest value. 5.4 Dynamic rotation test requirements GB10595-1989 4.1 5.5 The anti-vibration and waterproof performance test of the sub-machine should be carried out in accordance with 4.1.2 of GB/T10595-1989. 5.6 The bearing capacity test between the sub-machine shafts should be carried out in accordance with 4.1.3 of GB/T10595-1989. 5.7 The sub-machine drop test should be carried out in accordance with 4.1.4 of GB/T10595-1989. 5.8 The whole machine noise measurement should be carried out in accordance with 4.1.5 of GB/T10595-1989. 5.9 The sub-machine axial displacement measurement should be carried out in accordance with GB/T10595-19B 5.10 The static balance test shall be carried out in accordance with 4.E.8 of GB10595-[989. 5.11 The rolling energy test shall be carried out in accordance with 4.1.9 of GB/T10595-[989. 5.12 The adhesion force and thickness of the paint film shall be checked in accordance with GBT92B6. The thickness shall be measured with a magnetic thickness gauge. 5.13 The groove seat test shall be carried out in accordance with 6B/7983. 5.14 The bonding strength test of the rib, separator and base belt shall be carried out according to the method A in 3B6759-19B6: 6 Inspection rules
6.1 Factory inspection date:
a) Check the external network of the roller, the steering wheel, etc.; c) The roller and the steering wheel shall be tested for their axial displacement:
) Check the adhesion of the paint film and the thickness of the condensed film:
) Check the minimum wall stop of the roller:
P Magnetic inspection of the roller:
) Liquid static semi-equilibrium acid.
6,? The following situations require type testing: a) when new products (including complete machines and components) are being trial-produced; b) when old products are being transferred to the factory for trial production; c) when changes in product structure, materials, or technology may affect product performance; d) when a product is being resumed after a long-term (more than 3 years) suspension of production. Open test items:
a) All contents of factory inspection items (see 6.1) b) Performance of the whole machine (see 4.14):
Centrifugal force rotation resistance test:
Bearing capacity test:
e) Dust and water rot test:
Roller jump test:
64 Orange age quantity and specification
6.4.1 For parts with similar specifications and large quantities (such as light wheels), they should be inspected according to GDT2B28[9?1 General inspection level water level positive belt inspection selection section AOL=0.
6.4.2 Select 3 structural parts from the box conveyor to check the paint film adhesion and film thickness. 6.4.3 The number of flaw detection inspections of roller leaning, steering wheel flexibility and roller sleeve shall be carried out according to the provisions of Table 4. Table 4
Production batch job
Maximum number of inspections
>15-100
6.4.4 Type test should inspect all parts of the whole machine. Parts with the same specifications and large quantities should be inspected in accordance with 6.4.6.4.5 The scope of static balance test of rolling mill shall be in accordance with 4.2.5 of GB/R10595-1989. 100
JE/T8908—1999
6.4.6 The flaw detection inspection of rollers shall be carried out in accordance with 4.2.6 of 0B/T10395--.1989. The marking, packaging and transportation shall be carried out in accordance with 4.2.6 of 0B/T10395--.1989.
7.1 Each conveyor shall be equipped with a fixed sign at a prominent position on the head. The size and technical requirements of the sign shall comply with the provisions of GB13306. The sign is as follows:
ay Product name:
5 Product model;
e);
d) Belt speed;
) Conveyor crown; www.bzxz.net
9 Conveyor speed:
hy" No.:
) Manufacturer's name.
7.2 The installation, reinforcement, rainproof and anti-vibration requirements of the seasonal parts of the conveyor shall comply with the provisions of GB/T13384. 7.3 The following documents shall be attached with the conveyor when it is shipped: Product certificate: Product instruction manual Product general drawing: d) Shipping list 4 All parts of the conveyor shall be stored in a well-ventilated warehouse to avoid rust: The frame shall be stored on the ground 7.5 The conveyor belt shall be stored away from sunlight, rain and contact with acids, acids, and organic agents. 6 The conveyor belt shall be packed in special packaging for transportation and storage, and shall be free from bending, side guards, and isolation poles. Excessive pressure and pulling shall be avoided. TB/T 8908—1999
Attachment A
(Standard Appendix)
Basic parameters of conveyor belt
The matching relationship of commonly used conveyor belts should comply with the provisions of Table A1 and Figure A1. A1
The sidewall business
The flat spot
The effective bandwidth is
Empty effective width
Belt research
Elimination selection!
JB/T8908—1990
Table A1 (end)
Horizontal depression height,
Bottom width,
Effective kidney love horse
Benda two 8
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