This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, storage and transportation of fiberglass reinforced plastic cable trays (hereinafter referred to as cable trays) for underground coal mines. This standard applies to fiberglass reinforced plastic cable trays used for laying cables underground in coal mines. MT 961-2005 Fiberglass reinforced plastic cable trays for underground coal mines MT961-2005 Standard download decompression password: www.bzxz.net

1cS 29. 120. 20
Preparation No.: 16792—2005
Coal Industry Standard of the People's Republic of China
MT 9612005
Fiber-reinforced plastics cable support rack ln conl mine2005-09-23 Issued
National Development and Reform Commission
2006-02-01 Implementation
4.2.4.3, 4.6, 4.7, 4.8 of this standard are mandatory, and the rest are recommended. This standard is issued by the Science and Technology Development Department of the China Coal Industry Association. This standard is under the jurisdiction of the Coal Industry Coal Mine Safety Standardization Technical Committee. The originating unit of this standard: Shanghai Branch of the China Coal Research Institute, the main drafters of this standard: Jiang Naidan, Tao Wu, Shuai Kailiang, MT 961—205
1 Scope
Glass fiber reinforced plastic cable tray for underground coal mines
MT961—2505
This standard defines the "product classification, requirements, identification, signing rules, marking, packaging and transportation" of glass fiber reinforced plastic cable trays for underground coal mines.
This standard is applicable to the technical requirements of the underground coal mine electroforming cable trays. 2 Normative reference documents||t t||The clauses in the following documents shall become the reference for this standard: All the books with the design date, including the amendments (excluding errors) or revisions, are applicable to this standard. However, the latest versions of these documents, any references with different dates, although their versions are applicable to this standard, are not included in the standard. (5/1J1+71983 Test of fiber type material performance test) Test method GH/T1451-1u83 Plate end line standard reinforced plastic simple area deep punching closed test square institute G16-113-29 coal-fired malleable steel products safety performance test specification 3 Product classification
3.1 Points
Electric building litigation is divided into three categories according to the structural form, see table! . Table
Dyeing structure type
3.2 Product model
Combination test
Good shrinkage frame age Product model according to material Quality, ore piece see grade selection rack number knot control color type classification egg size row island, FRP
single school is variable meter (am)bZxz.net
width single meaning meter (mm)
dynamic form classification
electric selection rack number
state quality is Xiaodao Run
: 1F- (expressed as lack of color station)
3.3 specifications
rack load table 2, the length of the supply and demand parties to determine, MT 961—2005
........
,""Size
2 Requirements
2.1 Appearance
Electric frame should be smooth and level, without cracks, delamination, holes, impurities, wind and gas pool, etc. 4.2 Tensile strength
Electric frame should be less than 1MPa
1.3 Flexural strength
Less than 100MPa
4. 4 Return to the building
Electric frame should be less than 100MPa
4.5 Degree of winding
Return cable should be less than TEm
1, E Impact toughness
The impact toughness of the electric bridge is not less than km.
4.! Resistance performance
The wind bridge shall be required by Table 3, Table 3
Seven anti-sugar cold flat sheet
4.2 Surface resistance
The maximum time of the test is the average of the surface voltage above and below the surface. 2
No flame heat
5 Test method
5.1 Appearance quality
Test under natural light.
5.2 Determination of tensile strength
MT 961—2005
The determination of the impact strength shall be carried out in accordance with Chapter 3 of GB: T1447: 383, and the test method and size shall be in accordance with the detailed test method. 14413x1 Single observation, the sample is effective for E5.3 Bending strength, bending strength and winding test 5.3.1 Preparation of samples
Select 6 short non-strip samples, collect the samples along the length [9 direction, the size is shown in Table 4
Lan 3
5.3.2 Instruments and equipment
Method Sample width
5.3.2.1 The small pressure test machine is confirmed to be 9.%. It has a white dynamic record and can be obtained 5.3, 2.2 The vernier card is the most accurate, and the conversion is 0. (2 :5.3.2.3 Write the curve test as shown in Figure 1.
Can be mixed
Purchase and use,
Request certificate
The head radius:
Support Liao medical price radius,
Figure 1 Schematic diagram of the test device
MT 961—2005
5.3.2.4 The load should be a circular machine surface, north diameter-(0.1) mm long 100m. The half price of the support network r=(20.2: mm span (leh. Single is meter (m).5.3.3 Determination step
5.3.3.1 The test ratio should be 23·2 yuan. Reject the gradual intention to be special--75.5. 3. 3. 2 Measure the weight and thickness of the test piece at 1/3 of the span. 5.3.3.3 Place the test piece on the center of the support (on the side of the test piece with 1/3 of the span), and make sure that the length of the support and the loading head are aligned. Adjust the load to the span point. 5.3.3.4 Set the load deflection line to V = am/nin. Continue loading until the test piece deflects, and record the load-deflection line 5.3.2. The result is shown as follows:
(calculated as:
) |tt||The degree of change of the point is
Unloaded. The unit is Newton N),
Tengchen, single pull British crown meter (;
test fence pet store, the unit is love request ():
A sample degree, the unit is parameter (r),)
Curve model recording formula () calculation:
Two output modulus units are MPa
The initial degree of the true load recommended stirring curve is: -:P The corresponding degree, the position is (: ||tt ||Span, unit: (m):
Formula, unit: (mm)
Formula, unit: (mm)
Record the actual and original values ​​of the sample, calculate the arithmetic half mean, calculate the final three-digit point:
) Record the external load change of any sample; Calculate the effective strength of the sample using the root point, and modify the algorithm to the decimal place! ) Calculate 6 corresponding The degree of impact and the deformation of the mold are measured by the average value of the ticket, and the calculated results are adjusted to the nearest whole. 5.2 Impact toughness
According to the test method specified in 3T [, the sampling time, sample type and size BT145] [663 small! 2 are determined. The number of samples is 3, and the 5.5 Smoldering performance test
1-19 is complete.
5.6 Surface resistance determination method
According to the provisions of 1115-1995.
6 Standard test ticket
6.1 Factory inspection face
MT 931-2005
6.1.1 The quality of the manufacturer shall be inspected for each batch of products before delivery. The total batch shall be regarded as a single batch. For the national type I special products of the same weight, the same raw materials and the same process, every 10ccm is regarded as a batch (less than 1cc is regarded as a batch. The products in each batch shall be inspected for quality after they have passed the inspection and the certificate of conformity is issued. 6.1.2 The inspection items of the manufacturer shall be shown in Table 5.
Table 5
Inspection items
External visual inspection
Tensile strength
Danlan strength
Three sample quantities
According to the performance
Table 3 limits
: "" shall be inspected if the table is smaller than the limit, and "" shall not be inspected if the table is not. 6.2 Type Inspection
6.2.1 Type inspection shall be conducted in the following situations: a) New products or old products are transferred to production for trial production and identification; factory inspection
Formal production hall, when the structure, technology, and process are different, which may affect the product performance; During normal production, inspection shall be conducted once every 2 years; When the product is in production for 2 years and resumes production; When the factory inspection results are compared with the type inspection results, the national safety production supervision agency, the national quality supervision agency, etc. issue a type inspection request. The quality of type inspection is based on the product of the factory inspection joint venture with a height of 0m. The total length of the sample is 0m, and the type inspection items are as shown in Table 5.
6.3 Judgment rules
6.3.1. Qualified items are considered qualified if they meet the following criteria: 1) All the test items are qualified. 2) One of the test items is unqualified, and the item is qualified after retesting it with double samples. 6.3.2. Unqualified items are considered qualified if they meet the following criteria: 1) One of the test items is unqualified, and the item is still unqualified after retesting it with double samples; 2) Two or less of the test items are unqualified. In addition, the packaging, transportation and storage of the cable should be clearly marked. The information should include the following: MT 961—2005 Safety Signs and Identification Number: [Product Model] + [Manufacturer Name]; 4. Production Date Example: MAXXFRPOCS 2010-04-08 28 Production Date Manufacturing! Name
Electric bridge dyeing supervision number
Safety mark and sales number
Plastic shrink fabric or plastic induction fabric should be used as packaging material, and the following contents should be marked on each package: 1) Manufacturer name;
2) Product name, product model:
Production date, batch number:
3) Product length, unit: ():
) According to the standard number.
During the picking and loading and unloading, avoid violent crowds, throwing, picking, and dragging, and prevent sharp shock. 7.4 Storage
Electric braiding should be stored in a ventilated cool warehouse, no direct sunlight, and the finished product should be 2m away from the heat source:
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.