This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of transport winches. This standard applies to motor-driven transport winches (hereinafter referred to as winches). Winches are mainly used for pulling mine cars in underground coal mines and other mines in lanes with an inclination of less than 30°. JB/T 9028-1999 Transport winch JB/T9028-1999 Standard download decompression password: www.bzxz.net

ICS 73.10n.40
Machinery Industry Standard of the People's Republic of China
JB/T9028-1999
Transportation winch
Transportationwinch
Published on 1999-06-2H
National Bureau of Machinery Industry
Implemented on 2000-01-01
JH9028-1999
This standard is a revision of 2B Compared with D93010-90, the main technical content of this revised standard for conveyor vehicles is changed as follows: 1. In the basic parameter table, a 20kN specification is selected, and a 50kN specification is added; 2. The vehicle construction and cleaning index requirements are improved; 3. The requirements that the safety brake can be braked with heavy force or elastic force are clarified; 4. The relevant contents of the test methods and inspection rules are supplemented. This standard replaces ZBD93010-90 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 is Xuzhou Mining Equipment Manufacturing Factory. The drafting unit of this standard is Jinzhou Mining Machinery Factory. The main drafters of this standard are Sun Yunbi, Liu Longfei, Liu Can, Yang Xianli, and Wu Xiang. 1 ScopewwW.bzxz.Net
Machinery Industry Standard of the People's Republic of China
Transport winch
JB/T 9028—1999
Beijing ZB D03 1G
This standard specifies the types and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of transport winches
Standard electric-driven transport winches (hereinafter referred to as winches) are mainly used for coal and other mountain and river winches with a side angle of less than 300 and are road mining vehicles
2 Referenced standards
The following standards contain the provisions that constitute the provisions of the production standard through reference in this standard. When this standard is published, the versions shown are valid and all standards will be revised. Customers who use this standard should consider the possibility of using the latest version of the following standards. GB 191 :1990
GB28941988
GBT37681996
GR 3836.1:1983
GR/T 13306--1991
GR/T13384-1992
GT 1443—1993
JBT1604—1999
3 Types and basic parameters
Packaging storage and transportation pictorial symbols
Safety signs
Industry and science production pressure determination of combustion sound source sound dynamic level reverse cover 1 side adopts color path test and the surface of the simple elimination of explosive atmosphere general requirements for electrical equipment
General technical conditions for packaging of electromechanical products
Industrial product guarantee documents 3.1 The working structure of the winch is a drum retracting type, which adopts the planetary gear transmission type. The electrical equipment is divided into two types: explosion-proof and non-explosion-proof. 3.2 The product model representation method shall comply with the provisions of BT[604. x□
Final speed of the base layer, m/s
Static tension of the wire rope on the reference layer, KN
Type code: non-isolated type without certificate: isolation type is B transport winch
Winches
3.3 Model room:
a type of transport winch with static tension of 40k and rope speed of 1.25m5: approved by the State Machinery Industry Bureau on 1999-06-28 and implemented on 2000-01-01
JBT9028—1999
JYB-40×1.25 winch| |tt||b) Non-isolated plastic winch with static tension of 30kN and rope speed of 1.2m/s for the reference layer: JY-30×1.2 transport winch
3.4 ​​The basic characteristics of the winch shall comply with the provisions of Table 1: Table
Base layer and static tension of steel wire
Wire foaming speed on the layer
Rope threading
Wire pure diameter
: The reference layer refers to the layer where the point of half the length of the thin measurement is located. 4 Technical requirements
JY-30x
JYC-40×
4.1 The winch shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved in the specified order. 4.1 The winch shall comply with the relevant provisions of the Safety Regulations for Mountaineering in the "Safety Regulations for Mountaineering in the Golden Land". JYL-50×
4.3 The winch used for the safety operation requirements must have two explosion functions, and its exhaust equipment should comply with the provisions of GB3836.1. 4.4 The winch is equipped with independent working brake and safety brake. The safety brake can be braked by heavy hammer force or elastic force. 4.5 The winch has safety protection devices. 4.6 The operator of the winch should be flexible and reliable, and the operation should be safe. The original travel time of the safety brake is no more than 0.554. When the working brake and safety brake of the winch are braking, the braking torque shall not be less than 3 times of the rated static torque: when manual operation is used, the maximum operating force shall not exceed T200N.
4.8 The winch shall be equipped with a depth indicator.
4.9 When the rope plate reaches the height of the outer layer of inclined wire rope, it should be at least 2.5 times the diameter of the wire rope. 4.10 The ratio of the coil diameter to the wire rope diameter should be greater than 25. 4.11 The winch should rotate smoothly without any abnormal phenomenon. The noise of the whole machine should not exceed 90dB(A), and there should be no oil leakage at all sealed parts of the winch. The connection between the brake shoe belt and the driving wheel should not be less than 4.13 The temperature rise of each part of the winch should not exceed 35 when the winch is working, and the maximum full temperature should not exceed 70°C. The paint should be uniform, especially without peeling, flow marks, cracks and other defects. 4.15
The cleanliness of the winch reducer and the overload of the SSW0.D75/0.050 screen after the no-load test shall comply with the requirements of Table 2. 4.17
4.18 Complete set supply specification of winch:
YO-30×
) winch with electric motor [excluding wire rope; 2
IY--SD xF
air return equipment and spare parts specified in JB/T9028-1999
4.19 Under the condition that the user abides by the storage, transportation, installation and use rules, within 18 days after the manufacturer's shipment, if the winch is damaged or cannot be operated due to poor manufacturing process, the manufacturer shall repair or replace the required parts for the user free of charge. 5. Test methods and inspection rules
5. Test conditions
5.1.1 The winch should be tested under rated power, with a differential of +5%. 5.1.2 The measuring instruments and meters used in the test should be accompanied by a certificate of qualification and a periodic inspection certificate. 5.1 Delivery inspection
5.1.1 Each winch shall be inspected by the weight inspection and supervision department of the manufacturer before delivery. After the inspection, it can be delivered with a certificate of conformity. 5.2.2 Use the daily measurement method to check whether it complies with 4.5, 4.15 and 4.16. 5.2.3 Run the winch forward and reverse for 20m, and check whether it meets the requirements of 4.6, 4.11 and 4.12. 5.3 Type inspection
5.3.1 Type inspection includes the internal inspection of factory inspection 5.3.2 When one of the following special conditions occurs, the winch produced by the new winch or the rotating winch is inspected: a) When the design, process or material of the winch is greatly changed, which affects its performance: b) The winch produced by the normal batch is inspected once every 2 years: When the national quality supervision and approval agency puts forward the inspection requirements. 5.3.3 Load test is carried out by lifting the weight, and the lifting height shall not be less than 81: a) The number of positive and reverse tests with rated load shall not be less than 20 times; h) The number of overload tests in the direction of the rope shall not be less than once. During the test, measure the voltage and current of the main engine and check whether it meets the requirements of 1.6, 4.11, 4.12 and 1.14. 5.3.4 Check after the load test: a) Check the breaking strength of the main engine by visual inspection: b) Check the tightness of the connection parts; 5.3.5 Use a tachometer to measure the internal oil temperature of the transmission (the number of measurement depends on the structure of the transmission) 5.3.6 Measure the noise level of several times in accordance with the provisions of GB/T3768. 5.3.7 Check the full braking time. You can stick a metal plate on the connection surface of the bearing and measure it with electric sand. 5.3.8 The power can be measured with a dynamometer or strain gauge with an accuracy of not less than Class 2. 5.3.9 The lower operating force is measured with a dynamometer with a precision of IV. 5.3.10 After the empty load test, the degree of deactivation of the oil should be checked by the method of full filling, drying and weighing to see if it meets the requirements of Table 2. 5 For non-type production, the type inspection shall be carried out on at least one sample for inspection. The number of samples shall be at least: 5.5 All test items are only allowed to be inspected in the oil sample. If any item fails, no additional sample inspection is allowed. 5.6 After the qualified test, it shall be determined as unqualified if the following conditions occur:) The qualified item shall be inspected by the inspection personnel:
JB/T9028—1999
6) The physical properties, chemical properties, flaw detection, cleaning, etc. of the material cannot be inspected on site and there is no initial record or Test report, 6. Marking, packaging, transportation and storage
6.1 The winch shall be marked with a product label in a conspicuous position, and its type and size shall comply with the provisions of GB13306, and the following shall be marked:
a) Manufacturer's name, trade name;
b) Product model and name: ||tt| ...
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