Some standard content:
HS 73.1O. 40
Machinery Industry Standard of the People's Republic of China
JD/T87101998
Hydrauliedefencc explosion
ininehnists and minewinders
1998-03 19 Issued
Ministry of Machinery Industry of the People's Republic of China
1998-07·01 Implementation
JB/T8710
Taiwan Standard Since July 1, 1998, the six standards have been issued by the National Standardization Technical Committee of Shanxi and Hangzhou. The responsible drafting unit of the standard is: Shanxi Machinery Manufacturing Company. The three main drafters of this standard are Ji Miaolin, Fang Mingye, Zhang Landu, Guo Ming, Yang Baolin and Ben Kaimo. This standard was entrusted to the National Technical Committee on Standardization of Mining Machinery for drafting. 1 Scope
Machinery Industry Standard of the People's Republic of China
Hydraul&: defence explosion
mlne holsts and mkne windersJB/T87101998
This standard specifies the type and basic parameters, technical requirements, test methods, inspection results, marking, installation, operation and treatment of pressure-limited combustion hoists and hoists.
This standard is used for lifting and lowering materials and transporting people under the condition of gas in coal mines and other places where explosion is required.
2 Referenced standards
The following provisions covered by the standards shall become the provisions of this standard through reference in this standard. At the time of publication, the versions shown are all valid. All standards are subject to revision. Parties using these standards should explore the possibility of using the latest versions of the following standards: GB19190
GH3766
CB376883
Gn 388f.1—83
GB 3N3G.2-83
GH 4879 —85
CB 5004 -85
GB7535
GB/T 8925-$6
GB11345B9
C311368-93
Packaging, storage and transportation diagrams and punctuation
General technical conditions for liquid service systems
Determination of sound source power level-a simple method
Explosion-proof electrical equipment for explosive environments, explosion-proof electrical equipment for explosive environments, explosion-proof electrical equipment packaging
Mesh for sieves
General technical requirements for pressure components
Surface rust grade and age of steel materials, rust grade, manual wave detection of steel welds, operation and flaw detection results, classification of gear transmission equipment
GB/T 13306-91 Labels
(2/T13884-92
General technical conditions for packaging of electromechanical products
J3 158185
J13 2646--92
Ultrasonic detection method for rotor and main shaft of turbine and steam generator Single rope seam test Mine hoist
Mine hoist and expansion winch Disc brake Coal mine safety regulations [1993 noon edition]
Full regulations for underground mine development (1990 version) 3 Product type and basic signature
3.1 The product adopts cage-type flameproof electric motor as the driving micro-pressure pump, which is driven by closed hydraulic circuit and driven by gear reduction. The cylinder group is driven by the gear reduction:
Approved by the Ministry of Industry on March 19, 1998
149807-01 implementation
JD/T$710-1998
3.2 The production day pressure reduction system and hydraulic control system oil tank can be independently designed 3.3 type guide mark
Marking example:
Roll width, n
Voucher damage,
Construction characteristics or industry marks (can be omitted) pressure
K: elevator (differential roll diameter 2m)
T hydraulic lifting vehicle (roller diameter 2m)
Port machinery
Double roll construction (single roll omitted)
) Roller is 2m, roll width is 1. And single roll anti-drying elevator, TKYE-2×1.5 hydraulic explosion-proof lifting machine
b Vertical with diameter of 1.m. Roller width becomes 1.2n double roll wave [k anti-corrosion lifting vehicle: 2JTYB1.6×1.2 pressure relief anti-corrosion lifting 4
3.+Basic parameters give priority to the values in Table 1. Table 1
Number" Diameter
TYH 1.3X:
TYR 1.3×!.2
2ITYB-1. 2 0. 3
2TYE-1.2X
JTYI 1. + 5X0. 9
TTYL1Ux1.2
JKYH-? 3bzxZ.net
2.TKYB-2. 5X1.2
2KYE-2.51.5
The most static tension-free type
Zhuo Da Jing Bu
Standing people directly
Da Ran Speed Model
Heart~4, t
Guard hoisting
4 Technical requirements
JB/TB710—1998
4.1 The product shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. 4.2 The product shall comply with the relevant provisions of the Safety Regulations for Ore Refining and the Safety Regulations for Metallurgical Underground Mines. 4.3 The hydraulic system of the product shall comply with the relevant provisions of GB376G. 4.4
The product should have performance, electrical equipment should comply with the relevant provisions of GB3836.1 and GB3836.2, and have a protection certificate
4.5 The hydraulic components should comply with the relevant provisions of GB 7935. 4.6 The product should start, run, change and stop smoothly and safely, without impact vibration and normal production brush, and the pressure system should not be disconnected. 4.7 The product should have the performance of remote night control and stepless speed regulation. 4.8 The product should be safe and reliable in emergency operation. 4.9 The movement speed of the pressure reducing oil is 4c~100mm*/s (when the oil temperature is 40C) 4.10 The operating oil room device should be easy to adjust and flexible in movement. 411 The sound of the nest at the control panel position should not be too large-F88B(A). 4.12 The liquid system should be cleaned by SSWC.032/0.8 screen filtration. Its impurities should not exceed the following requirements: 4.13 The shaft of the hoist should not have defects that affect the performance of the hoist. The relevant provisions of GB 2646 and GB 1581 should be met. 4.14 The welded joints of the brake disc and the drum of the hoist should meet the T-level welding requirements specified in GB11345. The brake disc should be stress-relieved after welding. 4.15 The radial runout of the brake disc after installation and the total runout of the brake disc before removal should meet the requirements of Table 2. Table 2
Diameter
Radial total runout
4.1F The roughness R. value of the brake disc should not be greater than 3.2m. The disc brake should meet the requirements of JB8519. 4.17
The safe idle time of the disc brake should not exceed 135. 4. 18
The ratio of the braking force to the static load should be no less than 34.19
1The product should have three-level braking performance. 4.20
The clutch should be disengaged under the working pressure. 1.6
The control indicator can accurately indicate the position of the container and can accurately send out the speed reduction signal. 4.22
4.23 The control device should be equipped with an electro-hydraulic synchronous emergency brake device, so that the operator can operate flexibly within the entire range, and the zero position setting is accurate and reliable; 4.24 The required speed reduction coefficient is $9W0.063/0.045. The over-discharge of the port network should not be greater than: for parallel reducers, it is 1. For Bamgi reducers, it is 3.mg (e is the sum of the center of each level in mm), the changer is tested before leaving the factory, and its operation should be smooth, without special impact and dynamic and abnormal noise. The product is tested in the empty belt test, the load test and the running test, and there is no creeping and abnormal sound. The oil temperature of the flow system should not exceed 34℃, the highest oil temperature should not exceed 70℃, the temperature rise of each bearing should not exceed 40℃, and the overall height should not exceed 75℃. 4.2 The external rotating parts of the product should be equipped with protective devices. 4.2 The surface quality of the steel parts of the product should meet the requirements of St2 level in GB/T8923. The appearance of the block layer is not allowed to have defects such as air pools, cracks, shedding, sagging and smearing that affect the appearance. 4. The product should be equipped with safety protection devices such as inspection, interlocking, remote control, control, fairness and emergency braking. 4.29 Product supply: 1) Complete set of mechanical, pressure-related and electrical equipment: 1) Random parts and special tools c) Random technical documents. 5 Test methods JB/T71 (—1998 5.1 The product should be tested at a constant pressure (the limit difference is the rated voltage) 5.2 Spring test, test with sound lock under rated load. 5.3 Cleanliness test: After the delivery test, the system's cleanliness should be tested by weighing method, and the test of the cooler should be carried out according to GB11 type. 5.4 The hydraulic system is tested with 1.35 times the rated pressure for 5 minutes. 5.5 The disc brake is tested according to B851S. The test instrument is used for the most static tension test when the coupon is not less than 2 levels. Test. 5. Maximum braking torque test: Use a pulley with an accuracy of not less than 3.2 levels. 5.8 Clutch test: The clutch can be disengaged and released stably in the right position. 5.9
Idle operation test: Start the main and auxiliary transmissions at a relatively high speed and lift the most people: The mountain method is more than 3m, and the dynamic parts of each device are tested.
Load test: The rated load is 25%, 50% and 75% and the level of loading is equal to operation for 21 hours, and then continuously operate for 12 hours with a fixed load.
5.11 Overload test: The manufacturer conducts a load test at 11C with a rated load, and the lifting and lowering loads are 5.12 Safety brake idle chain time test, the test instrument with accuracy not less than ±1/11. 5.13 Over-protection test: start the main engine, the belt does not rotate, and observe the action of the brake belt under the protection switch. 54 Zero lock test: after stopping, use the vehicle to open the zero position slowly for a few times, 5.15 Brake parts test: start the card and the engine does not rotate: operate the emergency brake switch once and the brake can be tightened within the range of 100%; the speed and range are set before the main brake switch is tightened three times, the power supply is equal, the drive belt is tightened,
5.16 Open the emergency, the front plate push control handle·displacement system cylinder installation should meet the requirements 4.1C will be determined. 6 Inspection specifications
6.1 Inspection and type inspection
6.24 All products must be inspected. 1. 4.10, 4.13, 4.14, 4.15, 4.16, 4.17.4.214.254.284.29, etc. After the product meets the specifications, it can be shipped out of the factory. 6. There are a series of situations in which type inspection should be carried out: 1. The trial production of new products during the transition period of production requires type identification: 2. After formal production, if there are major changes in structure, design, process or calibration, which may affect performance: 3. When the national quality supervision agency reports the type inspection requirements. 6.4 The content of type inspection is the requirements of the enterprise. Marking, packaging, transportation and storage
7.1 Each product should be marked with a product label in a visible position. The size of the label should comply with the provisions of 13306:
) Product model:
VII. Name of manufacturer, trademark:
d) Manufacturing date and factory number.
JR/T8710—1998
Product packaging should comply with the provisions of G/T13384, and packaging text and logo symbols should comply with the provisions of G319! .2
The surface of the product should be rust-proof and comply with the heat treatment of GB4E79. 7.3
The product should be protected from collision and damage during transportation. 5 The product shall not be stored in the open air, and shall not come into contact with corrosive items and heat. J. 5
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