Some standard content:
ICS29.260.20
Requirement No.: 15480-2035
Coal Industry Standard of the People's Republic of China
MT1362004
Replace MT136.1
Flanicproof hand-hcld clectric coal
Flanicproof hand-hcld clectric coal drill2004-12-14 Issued
National Development and Reform Commission
2005-06-01 Implementation
Viewable Specification
3 Product Classification
Technical Requirements
Test Methods
Inspection Rules
Marking, Packaging, Selling and Storage
MT136-2534
MT136-2004
4.3 of this standard is regulatory, and the rest is general. Foreword
This standard is for M13-1 Compared with MT136932, this standard has the following main changes: In addition to the water-cooled motor structure specified in the original standard, the name of the coal mine is clarified [Chapter 3 of the 1592 version: Check of this version): ... Add the spark test of the coal drill outside the bed (see 1.3.2); The 1m of the coal drill outside the water test is reduced to 21392 version 4.14. This version 4,, 12; The range of the coal drill after the air-heat test is increased from the original 0.38M to 2.0M3 (222 version 4., this version 4.3.10) ;
The external temperature index is lowered from the original 20K, and the temperature at the end of the ton is reduced from 20K to 10K9 bottles of 4.17.6, 2.4.6 of this edition);
After the coal-fired aluminum test, the hot wire current is increased from the original 0.12M to 2.M192 version of 4.7.7. 4.4.7 of this edition:
Added the changes in the second and anti-class performance control (see 6.3.2); increased the quality characteristics of the test items (compared to Table 6). This standard is issued by the Technical Development Department of the China Coal Industry Association, and this standard is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standardization Technical Committee. The drafting units of this standard are: Shanghai Branch of the China Coal Science and Technology Research Institute, Tianjin Coal Mine Special Equipment Factory: The main contributors of this standard; Zhang Ban, Gao Xiao, Che Yun, Niu Jin, Xia Shuqi. The previous versions of the standards replaced by this standard are: M136-1986, MT135-1932.
1 Scope
Explosion-proof handheld coal drill
MT136—2004
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, patina, auxiliary materials and parts of explosion-proof handheld coal power station (hereinafter referred to as coal drill).
This standard is applicable to coal drills for rotary drilling of coal seams or semi-coal seams. 2 Normative references
The rest of the following documents have become the provisions of the standard through the application of this standard. For all references in previous issues, all subsequent changes (excluding those made in this standard) or revisions shall not be extended to this standard. Instead, the latest versions of these documents shall be used after the parties have reached an agreement on the revision of this standard: For all references without a date, the latest version shall apply to this standard. GB?55—2010 Standardization and performance evaluation of rotating machines GH/1032—1965 Test method for three-phase asynchronous motors GB/T2423.41993 Basic environmental test procedures for electrical and electronic products [ib Interchange humidity and heat test Test methods GB3836.1-2000 Electrical equipment for explosive gas atmospheres Part 1: General requirements (e1FC60079-0.129R) GB3836.2.-2006 Electrical equipment for explosive gas atmospheres Part 2: Flammable type (e71EC0079-1; 1990) HR83.3-2000 Electrical equipment for explosive gas atmospheres Part 2: Electrical equipment with safety features (e0V1EC600791990) GB/T4942.12001 External protection of rotating motors (IP version) MT31-1UU6
Coal-fired switch
MT/T 156,2 -1996
Product model reduction method and management decision of coal mine electrical equipment MT R1R.R-·1999
Flame retardant cable for coal mine Part 1: Flame retardant cable for coal mine pressure type Part 2: Rated voltage 50.3/0.5V electric drill cable for coal mine
3 Product classification
3.1 Product type
The product is a type of welding insulation electrical equipment.
3.2 Product varieties and basic parameters
3.2.1 Product varieties
The coal mine can be divided into two types according to the structure (see Table 1). Table 1 Product varieties
3.2, 2 Basic parameters
Welding station (dry type)
Coal-fired power station
Basic power rate of coal-fired power Table 2.
Motor loading type
Equipped with dry tail structure
Motor speed or frequency, H
Motor rated power, kw
Station frequency, un
Spindle power, r/min
1 Weight lower than the motor continuous power characteristic>
3.3 Product modelbzxZ.net
3.3.1 Type guide mother attenuation indication
Table 2 Basic parameters
420-553
.15. E
Products are all specified in MT/T154.*1S05 for compilation and definition. Table 3 Table 3 Model letter indicates quantity meaning
Specification code
Product must be zero generation
First generation
Pregnancy number
Supplementary code
Road model number
Indication code
Use Chinese spelling,
Commonly used codes are 17, .Q.%, 1
Indicates product type
Indicates concentrated coal
【Artisan style code used, dry coal self-differentiation and comparison code 1. 5
4:5350
17 indicates that the motor is 1.2k fuel electric drill 15 surface core electric milk power car step 1.5kw coal power station
indicates that the large station element indicates the mechanical use time mode: 0 indicates strong small station 1S agricultural small clean hole estimation: 1 indicates the same unified red drill
use (A), IH>, (C()
model compilation method
3.3.3 product model example
indicates creation: : 2M1213A indicates. 2^W first pole modification of the flat light large station. Indicates just 2; MS12T indicates 1.2 on W national case one figure low step by step power protection 5. Example 3YMLEX Hui Zhang L.2kW for small station,
4: ZM15 indicates i.5kw dry Coal-fired power station.
According to the law, the first, second, and third revision numbers, the first and third revision numbers, the third and third revision numbers, the fourth ... 4.1.5 When the coal drill is in operation, there should be a clean dust-reducing water source, and the water inlet temperature should not exceed 4.2 Requirements for connection
vrT136-2004
The main corresponding energy-saving rod connected to the coal power plant and the station pole should have a diameter of m, a length of (70=0.2a) mm, and a hardness of the material of the rotten part should not be less than 40HRC.: 4.3 Explosion resistance of coal drill
4.3.1 Coal drills should be manufactured according to the design specified in the technical license and the drawings and documents approved by the national designated inspection unit, and obtain the "anti-health contract" required by the inspection unit. 4.3.2 The quality and tensile strength of the aluminum alloy outer material of the new electric drill shall comply with the provisions of Chapter 8 of GB3836.1-2000 and shall pass the spark test: 4.3.3 The plastic shell and windshield of the electric drill shall comply with the provisions of Chapter 7, Chapter 17 and 23.4.3 of GB3336.J-2000. The insulation resistance of the plastic surface shall not exceed 1×. 4.3.4 The whole electric drill shall be able to withstand 23.3.1, 29.4, 3. of GB3836.1-2000.2 Mechanical tests and drop tests specified in the regulations,
4.3.5 Screws and nuts used in coal drill systems are selected and anti-loosening measures are taken. 4.3.6 The bottom of the inner arm of the coal drill switch is evenly coated with pump paint, 4.3.7 The cable adopts a tight ring introduction device, which has the power supply and the power supply. It should be able to withstand the tightness test specified in Appendix 1 of GB3835.--2000 and the tightness performance test specified in Appendix 35.2-2000. 4.3.8 The cable is made of rubber cavity and can withstand the aging test specified in Appendix 1X5.3 of CB3236.-2000. 4.3.9 The insulation can withstand the current of GT3335.120m0 in 23.4., and the specified additional connection parts are rotated and tested late, and the test is cold and the recording is not damaged during the linear rotation.
4.3.10 The coal drill shall be able to withstand the severe level of 1043m/s and 22-cycle alternating heat test. After the test, the motor cable group shall be able to withstand the rated voltage test of 1275V/min without internal network breakdown. The group insulation voltage shall not be less than 2.3Mn.4.3.11 The shell of the coal power plant shall be able to withstand the dynamic pressure test specified in G38352--2000 and the internal ignition explosion transmission performance test. 4.3.12 The flameproof enclosure shall be able to withstand the high-pressure test specified in (B38.76.2-2000). The test shall be carried out only once when the specified pressure reaches 138.
4.3.13 The number of flameproof joints shall comply with the provisions of CB3836.3-20U.1. 4.3.14 The electrical distances between insulated live parts and between live parts and the enclosure shall comply with (B3536.3-2000. 4.3.4. 4.4 Motor 4.4.1 The motor is a two-phase asynchronous motor with a protection level of TP44 for the main part and T51 for the external part. 4.4.2 The working mode of the motor is 53.in. 4.4.3 When the difference between the rated value and the set value does not exceed the provisions of GB755-2000, the output power of the motor should be able to maintain the rated value. 4.4 When the two-phase current is balanced, the difference between any phase of the two-phase no-load current of the motor and the three-phase average value shall not exceed % of the three-phase average value.
4.4.5 At rated power, voltage and efficiency, the guaranteed value and tolerance of each energy of the motor shall meet the requirements of Table 43
MT 136-2004
Stalled rotor frequency multiple
Maximum speed multiple
Power factor
Guaranteed value and tolerance
12 Evaluation
When the motor is working at rated power: the limit values of each part are as shown in Table 5, Table 5 Temperature rise limit
Comparative efficiency range
F board insulation
4.4.7 The thermal insulation limit of the motor shall not be less than J2.CMn15 guaranteed value
Rapid rise limit, K
Guaranteed value of 100%
Guaranteed minimum of 155
Guaranteed value +25
Measurement method
Resistance meter method
Overflow meter method
4.4.8 The electric function unit shall withstand the 1510V, 1miu T period withstand voltage test for the shell, without The voltage waveform should be as sinusoidal as possible during the test.
4.4.9 The motor should be able to withstand a short-term increase in self-pressure test of 1.3 times the voltage of the battery and last for 1 minute without any fault. During the test, the charge rate should be high, but not more than 115% of the setting value. 4.2.10 When the motor is running at high speed, the stepper wheel and bearing should rotate freely and sound normally. 2.2.11 The coal drill should be able to withstand the whole machine F drilling test lasting 18 minutes. The gear of the reducer should not be damaged. The insulation of the core machine should not be broken. 4.4.12 The water system of the wet coal drill should be able to pass 3.6MPa for 1 minute. 4.5. The power switch is a direct start switch, and its performance basically meets the requirements of MT31-196, with fast on/off and automatic reset characteristics.
4.5.2 The switch operation system should be flexible and reliable, and can be powered on immediately after release. 4.6. Water supply device
4.6.1 The wet refinery power station should have a water inlet device, which is convenient, reliable and has a long service life. The working pressure of the water supply system (excluding external supply) is 4VP, but it must pass the 4,1,1 test before it is completed. 4.5.2 The water inlet connection of the wet coal drill is an external thread M14x1.5-7h. The thread length is not less than 10rm4.7 Cable inlet arrangement
4.7.1 The power of the coal drill inlet shall be MZ-(.3/C.) in accordance with the provisions of MTB18.--1999: Coal code electric drill pole sleeve cable, 4.7.2 The compression nut of the relay inlet shall have equal buckle to ensure that there is still a certain residual force after tightening and sealing. 4.8 Appearance requirements
The coal drill shall be correctly assembled, without surface stains, process damage and cracks, various signs are clear and complete, and the weight shall meet the requirements. 4.9 Requirements for purchased parts and outsourcing
The purchased parts and outsourcing of the coal drill shall have a clear and qualified certificate. All parts must be inspected and qualified before they can be transferred. 5. Test method
MT136-2004
5.1 Flameproof performance test method shall be carried out in accordance with the corresponding provisions of GB3836.1-2011, GH8886,7-20(0GR388T,3-2000, and the alternating thermal test shall be carried out in accordance with the provisions of GH/T2423.4-13. 5.2 Function level test shall be carried out in accordance with the thermal test of GB/14942.120C1. 5.3 The electrical performance of the motor shall be carried out in accordance with the provisions of B/T1c32-1985. 5.4 The test is carried out by holding the main shaft connected to the drill pipe under the actual cold test conditions, so that the main shaft does not rotate. During the test, the motor test voltage shall not be lower than % of the rated The pressure was kept at 185°. 5.5 The joint sales strict inspection technology MT311996 stipulates that the 5.6 hybrid coal-electric drill waterway leakage test is carried out under load operation conditions, the water outlet is blocked, and the water dripping through the square is less than 3 for 1 minute. It is considered qualified. For the waterway structure that does not leak and the whole can not be shaken, the full and parts are tested. 6 Inspection specifications
5.1 Inspection classification
Drying electric inspection branch inspection and type inspection, the inspection items are carried out in accordance with the specifications in the table. Table 6 Type quick inspection and factory inspection items
Mourning inspection items
Storage comb spark
Chinese material surface policy willingness in the four settings
Foreign Beijing machine general test and quick economic test
Frequency introduction device Tight test and
close to the fat test
close to the surrounding aging test
five-speed test
alternating current test
dynamic test and internal point tenderness test
external state strength test
concurrent inspection
electrical and electrical network inspection
medical and other equipment test
motor paint and electric lighting measurement
industrial endurance test
net state winding direct current measurement
no-load test
efficiency, power factor measurement
step-speed test
maximum speed measurement
special identification
technical requirements
4, 3,
4, 3, -2
4, 3, :3
4, 4, 4
Test method
Type inspection
MT136-2934
Inspection items
Such as time-rise electric wave makeup
Reducer groove rotation to
Card type risk
Inspection test and monitoring group type coal-fired power station;
Elements
Observe
Note 1: Standard, lamp virtual inspection...-No inspection is required: Note E: The inspection is consistent with the characteristics required to be tested. 2 Factory inspection Table 6: Specifications of impact characteristics Determination of installation requirements Test methods List of inspection stations 6.2. The motor should be inspected before it can be shipped, and the product certificate should be issued with the inspection number. 2.2 Inspection items The various indicators of the motor should be able to ensure that the motor type inspection meets the requirements of this standard. 6.2.3 The factory inspection items must meet the requirements before it can be classified as a qualified product, otherwise it needs to be returned until the inspection meets the requirements. 6.3 Type inspection 6. 3. 1 If one of the above conditions is met,Type inspection should be carried out: when new products are being tested or old products are being transferred to other products
when product structure, materials and processes have major changes that may affect product performance; when products are being replaced after a long period of discontinuation;
when the factory inspection results deviate significantly from the previous type inspection results; when large-scale production is in progress, the national quality regulatory agency shall conduct type inspection once every ten years. When one of the following situations occurs, the drawings, documents and files shall be reviewed and tested: 6.3.2
when partial changes to a product involve relevant provisions on performance, the drawings of the changed parts shall be sent to the inspection unit for update inspection:
1) the product is transferred from the original production site to an updated site; in case of strict regulations: 1) when the inspection unit needs to review the product. 6.3.3 The samples for type inspection shall be selected from the products that have been delivered, with 2 units selected each time. If both samples fail to meet the requirements of A test items, the product shall be judged as unqualified: For example? If one or more of the products in the group A do not meet the requirements or both do not meet the requirements, the sample can be doubled. If there are still items that do not meet the requirements during the monthly test, the product will be judged as unqualified.
7.1 Marking
7.1.1 The product shell should have a clear head and support indicating the direction of rotation of the explosion-proof electrical equipment. ExdI\, and a special mark
The product should be fixed with a nameplate, which is made of stainless steel, Baikai or stainless steel. The nameplate should indicate: explosion-proof type and class mark \"Exdi": product name and model;
Explosion-proof certificate number:
Safety certificate number #
Factory date or product number:
Manufacturer name:
Trademark:
Rated voltage:
|tt||Rated power:
Rated current
Rated short circuit:
Number of phases;
Rated transfer of the motor,
Insulation grade:
Spindle speed
Note: JH, L, M, N can be marked in the product manual, and can be shown on the reducer. Packaging
Electric drill packing: The packing should be close to the product and take anti-turnover measures. The following should be marked on the outside of the packing box:
Model name of the coal drill;
Manufacturer name:
Date of manufacture;
Signature or mark such as "Be careful with wheels" and "Be careful with wheels"; Implementation standard number:
Documents accompanying the electric drill:
Packing list
Product compliance certificate,
Product maintenance instructions.
7.3 Transportation and storage
When using the electric drill, it should not be eroded by water.
When storing, it should be placed in a dry place to prevent moisture, corrosion and other damage.MT 13E—2004
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