JB/T 3685-1999 Retractable winch

This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of the column winch. This standard applies to the column winch (hereinafter referred to as winch) used for underground column return and top release operations. JB/T 3685-1999 Column return winch JB/T3685-1999 Standard download decompression password: www.bzxz.net

ICS73.100.40
Machinery Industry Standard of the People's Republic of China
JB/T3685—1999
Prop drawing winch
Published on 1999-06-28
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T3685—1999
This standard is a merger and revision of JBT140983 "Basic Parameters of Prop Drawing Winch" and JB/368584 "Technical Conditions of Prop Drawing Winch". Compared with the original standard, two new specifications, JH-20 and JH-30, are added, and other major technical contents remain unchanged. This standard replaces JB/T1409—83 and JB/T3685—84 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. The responsible drafting unit of this standard: Shanxi Machinery Manufacturing Company. The main drafters of this standard: Yang Baolin, Fang Mingye, Zhang Lanjun, Li Kaidong, Guo Ming1 Scope
Machinery Industry Standards of the People's Republic of China
Pillar-drawing winch
Prop drawing windh
JB/T3685—1999
Replaces JB/T1409—83
JB/T368584
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of pole-drawing winch. This standard applies to pole-drawing winch (hereinafter referred to as winch) used for underground pole-drawing and top-laying operations. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the latest version of the following standards. GB191—1990
GB/T3768—1996
Packaging, storage and transportation pictorial markingbZxz.net
Acoustics Sound pressure method for determining the sound power level of noise sources Simple method using envelope measurement surface above the reflecting surface GB3836.11983
3 General requirements for explosion-proof electrical equipment for explosive atmospheres GB/T10089—1988
GB/T10095—1988
GB/T133061991
GB/T133841992||tt ||JB/T16041998
JB/T79291995
JB85151997
《Safety Regulations for Coal Mines》
3 Product Classification
Cylindrical Worm Gear Accuracy
Involute Cylindrical Gear Accuracy
General Technical Conditions for Packaging
Electromechanical Products
Model Compilation Method for Mining Machinery Products
Cleanliness of Gear Transmission Device
Safety Requirements for Mining Winch
Winch Separation Explosion-proof Type and Non-explosion-proof Type.
3.2 The drive form of the winch adopts the combined drive of the first-stage worm gear pair and the first-stage gear pair. The structural form is single-cylinder winding type. 3.3 The product model indication method shall comply with the provisions of JB/T1604, H
3.4 ​​Model marking example:
Maximum static tension of outer wire rope, 10kN
Flameproof type (non-flameproof type is not noted)
Winches
a) Flameproof winch with maximum static tension of 80kN wire rope: approved by the State Machinery Industry Bureau on 1999-06-28 and implemented on 2000-01-01
JB/T3685-1999
JHB-8 winch
b) Non-flameproof winch with maximum static tension of 300kN wire rope Flameproof column winch: JH-30 column winch
The basic parameters of the winch shall comply with the provisions of Table 1 Table 1
Basic parameters
Maximum static tension of outer wire rope
Average rope speed
Wire rope
Rope capacity
Nominal tensile strength
Motor power
4 Technical requirements
0.100-0.133
The winch shall comply with the requirements of this standard and be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. The winch shall comply with the relevant provisions of the "Coal Mine Safety Regulations" and JB8515. 4.3
The electrical equipment of the winch shall comply with the relevant provisions of GB/T3836.1 The interchangeability of the winch's wearing parts and common parts shall be guaranteed. 4.4
The raw materials, standard parts, purchased parts and outsourced parts used in the winch shall comply with the current relevant standards. JH-30
4.6 The gear accuracy of the gear transmission part of the winch shall comply with the 8th grade accuracy in GB/T10095: the cylindrical worm and worm wheel accuracy shall comply with the 8th grade in GBT10089.
There shall be no seepage or oil leakage at the sealing and joint surfaces of the winch. 4.8
When working at rated load, the temperature rise at the bearing and reducer shall not exceed 40℃, and the maximum temperature shall not exceed 80℃. 4.9
The transmission part of the winch shall have a protective device. The outer edge of the drum rope baffle shall be higher than the maximum winding diameter of the wire rope, and the higher value shall not be less than 2.5 times the diameter of the wire rope. The noise value of the whole machine when the winch is working at rated load shall not be greater than 90dB(A). The winch shall be painted evenly without any defects such as wrinkles, bubbles, flow marks and cracks. 4.12
The cleanliness of the winch reducer shall meet the J-level requirements in JBT7929. The winch brake system shall be flexible and reliable when working. 4.14
4.15 The acoustic response of the winch shall be even when running, without obvious vibration. 4.16 Scope of supply of winch complete set:
a) The whole winch equipped with an electric motor (excluding wire rope): b) Electrical equipment:
c) Random technical documents.
4.17 Under the condition that the user complies with the storage, transportation, installation and maintenance regulations, if the winch is damaged or cannot work normally due to poor manufacturing quality within 12 months from the date of shipment from the manufacturer or within 6 months from the date of installation and use in accordance with 2
JB/T3685-1999
JB/T3685-1999
, the manufacturer shall repair or replace it for the user free of charge.
5 Test method
5.1 The winch shall be subjected to various tests at rated voltage (tolerance is ±5%). 5.2 No-load test: The winch shall be operated continuously in forward and reverse directions at no-load for 15 minutes each, and the action, sound, vibration and leakage of each part shall be observed. 5.3 Load test: The winch shall be loaded gradually at 25%, 50% and 75% of the rated load until the rated load is reached. Each load test shall be conducted no less than five times, and the total test time shall be no less than 2 hours. 5.4 A dynamometer with an accuracy of no less than Class 2 shall be connected between the wire rope and the load to detect the maximum static tension of the wire rope. 5.5 After the winch load test, the cleanliness of the reducer shall be tested according to JB/T7929. After the winch load test, the oil temperature shall be checked with a thermometer. 5.6
5.7 The wire rope speed shall be tested by the photoelectric method using a photoelectric sensor and a photoelectric oscilloscope, or by a tachometer. Inspection rules
6.1 Each winch must be inspected and qualified by the quality inspection department of the manufacturer before it can leave the factory, and a certificate of qualification must be attached. 6.2 The inspection of winches is divided into factory inspection and type inspection. 6.3 During the factory inspection, no-load tests should be carried out on each unit, and the requirements of 4.1, 4.7, 4.12 and 4.14 should be met. 6.4 From the products that have passed the no-load test, at least two units of each specification shall be selected each year for load tests, and the requirements of 4.8, 4.11 and 4.13 shall be met.
6.5 Type inspection should be carried out in any of the following situations: a) New winches developed or trial-made type identification during factory production; b) After formal production, if the design, process or material of the winch has changed significantly, which may affect its performance; c) When the winch is stopped for more than 3 years and production is resumed; d) When the national quality supervision agency proposes type inspection requirements. 6.6 The content of type inspection shall include all requirements of this standard. 7 Marking, packaging, transportation and storage
7.1 Each winch should have a product label fixed in a conspicuous and appropriate position. The type and size of the label should comply with the provisions of GB/T13306, and the content should include:
a) winch name and model;
b) main technical parameters:
e) manufacturer's name:
d) manufacturing date, factory number;
e) trademark.
7.2 The packaging of the winch should comply with the relevant requirements of GB/T13384, and the packaging storage and transportation graphic labels should comply with the relevant provisions of GB191. 7.3 The winch should be protected from collision damage during transportation. 7.4 The oil seal of the winch is valid for 1 year from the date of shipment. The winch should be stored in a moisture-proof and ventilated place, and must not be stored in the open air, and must not come into contact with corrosive items and heat sources. 7.5
Mechanical Industry Standard
Retractable Column Winch
JB/T3685-1999
Published and issued by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2 Shouti South Road, Beijing: Postal Code 100044)
1/16 Printing Sheet 1/2 Words 8000
Format 880×1230
First Edition in November 1999
First Printing in November 1999
Print Quantity 1-500
Price 500 Yuan
99-813
Mechanical Industry Standard Service Network: http/AvwwJB.ac.cn666898
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