JB/T 3566.4-1999 This standard is a revision of JB 3566.4-84 "Technical conditions for tensioning devices of traction ropes of SH circulating freight aerial ropeways". During the revision, only editorial changes were made according to relevant regulations, and the main technical content has not changed. This standard is applicable to various specifications of traction tensioning devices specified in JB/T 2792-1994 "Types and basic parameters of tensioning devices for traction ropes and dynamic load ropes of circulating freight aerial ropeways". This standard was first issued on April 17, 1984. JB/T 3566.4-1999 Technical conditions for tensioning devices of traction ropes of circulating freight aerial ropeways JB/T3566.4-1999 standard download decompression password: www.bzxz.net

ICS45.100
Machinery Industry Standard of the People's Republic of China
JB/T3566.4-1999
Circulating material ropeway-Tension derice of hauling rope Specifications
Published on 1999-06-28wwW.bzxz.Net
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T3566.4—1999
This standard is a revision of JB3566.4-84 "Technical Conditions for the Tensioning Device of SH Circulating Material Ropeway for Hauling Rope". During the revision, the original standard was edited, and the main technical content remained unchanged. This standard replaces JB3566.4—84 from the date of implementation. This standard is proposed and managed by the Beijing Hoisting and Conveying Machinery Research Institute. The drafting unit of this standard: Sichuan Mining Machinery Factory. The main drafters of this standard: Pei Shu, Zhang Jingxiang. 1
1 Scope
Machinery Industry Standard of the People's Republic of China
Circulating material ropeway-Tension derice of hauling rope Specifications This standard applies to various specifications of hauling rope tensioning devices specified in JB/T2792. 2 Referenced standards
JB/T3566.4—1999
Replaces JB3566.4—84
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 valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T6991988
GB/T1184—1996
GB/T1804—1992
GB/T9439—1988
GB/T11352—1989
GB/T13306——1991
GB/T13384—1992
JB/T27921994
JB4730-1994
3 Technical requirements
3.1 General requirements
Technical conditions for high-quality carbon structural steel
Tolerances on shape and position without tolerance values
General tolerances without tolerances on linear dimensions
Gray iron castings
Casting carbon steel parts for general engineering
General technical conditions for packaging of electromechanical products
Tensioning devices for traction and carrying ropes of circulating freight aerial ropewaysTypes and basic parametersNon-destructive testing of pressure vessels
3.1.1 Products shall comply with the requirements of this standard and be manufactured according to drawings and technical documents approved by the prescribed procedures3.1.2 All materials of parts shall be accompanied by certificates of conformity. Otherwise, tests and assays shall be carried out and they can only be used after they are qualified. 3.1.3 Cast iron parts shall be annealed. There shall be no defects such as scarring, shrinkage, pores, sand inclusions, etc. that affect strength. The performance shall comply with the provisions of GB/T9439.
3.1.4 Steel castings shall be annealed. For defects that are allowed to be repaired, they should be repaired before finishing. After welding, the internal stress of welding should be eliminated. The performance should comply with the provisions of GB/T11352
3.1.5 All dimensions without tolerances marked on the drawings should comply with the provisions of m-level in GB/T1804. 3.2 Main components
3.2.1 Rope pulley
3.2.1.1 The material should comply with the provisions of ZG270-500 steel in GB/T11352. 3.2.1.2 The circular runout tolerance of the outer circle and the reference end face to the inner hole axis shall comply with the 11th level of GB/T1184. Approved by the State Bureau of Machinery Industry on June 28, 1999 and implemented on January 1, 2000
JB/T3566.4—1999
3.2.1.3 The cylindrical tolerance of the inner hole shall comply with the 8th level of GB/T1184. 3.2.2 Sheave shaft
3.2.2.1 The material shall comply with the 45 steel in GB/T699. 3.2.2.2 It shall be quenched and tempered, with a hardness of 220~250HB. After rough machining, ultrasonic flaw detection shall be carried out according to the third level specified in JB4730. 3.2.2.3
3.2.2.4 The cylindrical tolerance of the rolling bearing installation shall comply with the 7th level of GB/T1184. 3.2.3 Frame
The weld seam should be uniform and should not have defects such as cracks and slag inclusions. 3.2. 3.2
During assembly, the coaxiality tolerance of the upper and lower pulleys and the matching holes of the rope pulley shaft should comply with the provisions of Class 11 in GB/T1184. 3.3 Assembly
All parts must be inspected and qualified before assembly. 3.3.2
Reliable.
Each fastener must be tightened reliably and no looseness is allowed. For the reaming bolt connection of the split rope pulley, the contact should be tight and the positioning 3.3.3
Turn the rope pulley by hand, and it should rotate flexibly without abnormal noise. The wheel track deviation is 1 mm.
The deviation Ax of the center line of the wheel group to the rope pulley axis is 1 mm (Figure 1). 3.3.6 Check on a straight track. The clearance △z between any wheel tread and the vertical direction of the track is not greater than 1.5mm (Figure 1). Wheel axis
Wheel group center line limit
4.x=+ Imm
4z≤1.5mm
3.3.7 The parallelism of the two wheel group axes is 1.2mm (Figure 2).
3.4 ​​Paint
Wheel group surface alignment axis
JB/T3566.4—1999
3.4.1 Before painting, the product must be cleaned of burrs, rust and oil stains. 3.4.2
The painted surface should be uniform and complete, and roughness and inequality are not allowed. The non-machined surface of the rope wheel is painted red, and the non-machined surface of other parts is painted gray. 4 Inspection rules
4.1 Turn the rope wheel of the product by hand, and the tolerance of its outer circle and the reference end face to the axis circle runout shall comply with the provisions of Class 12 in GB/T1184. The wheel of each product should rotate flexibly without abnormal noise. 4.2
After the product passes the inspection, the quality inspection department of the manufacturer shall issue a product quality certificate. 4.3
5 Marking and packaging
5.1 Fix the product label in a conspicuous position, and its type and size shall comply with the provisions of GB/T13306, and the following contents shall be marked: a) Product name:
b) Product model:
) Main technical parameters;
d) Factory date:
e) Factory number:
f Manufacturer name.
The packaging shall comply with the provisions of GB/T13384 and the relevant transportation requirements of railways, highways and shipping. 5.2
5.3 The following technical documents are attached:
a) Packing list;
b) Quality certificate;
c) Installation and maintenance instructions, assembly drawings, and wearing parts drawings. 3
Mechanical industry standards
Circular freight aerial ropeway
Technical conditions for traction rope tensioning device
JB/T35664—1999
Published by the Mechanical Science Research Institute Issued by
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