This standard specifies the type and basic parameters, technical requirements, test methods, acceptance rules and signs, packaging, transportation, storage, etc. of dam winches. This standard is applicable to medium and small hydropower stations, water conservancy projects, river weirs, reservoir dams and other facilities for ships, wood and bamboo rafts to pass through the dam peaks, and can also be used for other traction and transportation. JB/T 6380-1992 Dam winch JB/T6380-1992 standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6380--92
Over-dam winch
Published on July 14, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on July 1, 1993
Mechanical Industry Standard of the People's Republic of China
Over-dam winch
Subject content and scope of application
JB/T6380-92
This standard specifies the type and basic parameters, technical requirements, test methods, acceptance rules and signs, packaging, transportation, storage, etc. of over-dam winch.
This standard is applicable to medium and small hydropower stations, water conservancy projects, river weirs, reservoir dams and other facilities, for ships, wood and bamboo rafts to pass over the dam peak, and can also be used for other traction and transportation. 2 Reference standards
GB4879
GB8923
GB10095
GB11345
GB/T13306
GB/T 13384
ZBD93002
ZBJ19018bZxz.net
ZBJ19020
JB1604
JB3277
JB3721
JB3812
Packaging, storage and transportation pictorial signs
Rust-proof packaging
Rust grade and rust removal grade of steel surface before painting Precision of involute cylindrical gears
Manual ultrasonic flaw detection method and flaw detection results of steel welds Grading labels
General technical conditions for packaging of electromechanical products
Disc brakes for mine hoists and mine hoisting winchesZK planetary gear reducer
ZZ planetary gear reducer
Model compilation method for mining machinery products
Disc brake shoes for mine hoists and mine hoisting winches hydraulic stations
Types and basic parameters of butterfly springs for disc brakes for mine hoists and mine hoisting winches
The form of the dam-crossing reel is shown in the figure below.
Approved by the Ministry of Machinery and Electronics Industry on July 14, 1992 and implemented on July 1, 1993
3.2 Product Model
JB/T6380-92
Dam Hoist
1--Stroke indicator device; 2-Spindle device; 3-Disc brake; 4-Planetary gear reducer: 5-Micro drag device; 6-Electric motor; 7Hydraulic station; 8-Control 3.2.1 Model indication method
Improvement serial number
Maximum tension of wire rope, kN
Drum diameter, m
Dam winch
Winch type
3.2.2 Marking example: Drum diameter is 3m, maximum tension of wire rope is 200kN, model is JG-3×200. 3.3 The basic parameters and dimensions of the dam winch shall comply with the provisions of Table 1. Table 1
JG-1.6X60
JG1.6×75
JG-2×80
JG-2×110
Maximum lifting
lifting speed
Lifting length
Transmission ratio
JG-2.5×130
JG-2.5×180
JG-3×200
JG-3×270
JB/T6380—92
ContinuedTable 1
Maximum lifting
lifting speed
Note: The maximum lifting speed is the approximate effective value when winding in one layer based on the nominal diameter of the reel. 4 Technical requirements
Lifting length
The product shall comply with the requirements of this standard and shall be manufactured in accordance with the drawings and technical documents approved by the prescribed procedures. The product shall work in a machine room without explosive media and with an air temperature of 540°C. 4.2
The materials and accessories used in the product shall comply with the relevant provisions of the current national standards. The product's wearing parts, spare parts and general parts shall ensure interchangeability. Before painting the product, the rust removal quality of the surface of steel parts shall comply with the provisions of St2 level in GB8923. The appearance of the paint layer is not allowed to have defects that affect the appearance, such as pinholes, bubbles, cracks, shedding, sagging and missing coating. Before assembly, the pipes and fittings of the lubrication and hydraulic systems must be pickled and coated with anti-rust oil. The noise sound pressure level of the product at the control panel position shall not exceed 85dB (A). Spindle device
White spots and cracks are not allowed inside the spindle, and the requirements for inclusions and crack defects are as follows: dynamic
Within 2/3 of the diameter of the spindle axis. Single, sporadic, scattered defects and dense defects. Should comply with the provisions of Table 2: Table 2
Single scattered defect is allowed
Diameter of the inspected section
≤400
Maximum equivalent
pieces/100cm
Dense defects are allowed
Maximum equivalent
Total cross-sectional area
Transmission ratio
In the range outside 2/3 of the diameter of the spindle axis. ≤5mm equivalent single. Micro defects 6 pieces are allowed;
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