This standard replaces JB 2793-79. This standard specifies the type and basic parameters of the swing saddle of the double-line circulating freight aerial ropeway. This standard is applicable to the lower traction type and horizontal traction type freight aerial ropeway. JB/T 2793-1994 Double-line circulating freight aerial ropeway swing JB/T2793-1994 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T2793-94
Double-line circulating freight aerial ropeway
Swinging saddle
Published on July 18, 1994
Type and basic parameters
Implemented on July 1, 1995
Ministry of Machinery Industry of the People's Republic of China
Mechanical Industry Standard of the People's Republic of China
Double-line circulating freight aerial ropeway
Swinging saddle
Subject content and scope of application
Type and basic parameters
This standard specifies the type and basic parameters of the swinging saddle of the double-line circulating freight aerial ropeway. This standard is applicable to lower traction type and horizontal traction type freight aerial ropeways. Reference standards
GB 8918
GB12141
GB/T 12738
GB/T 12739
JB/T 2789
Sealed steel wire rope
High-quality steel wire rope
Safety specification for aerial freight ropeway
Terms of aerial ropeway
Drive machine type and basic parameters of circulating aerial freight ropeway Freight vehicle type and basic parameters of double-line circulating aerial freight ropeway Swing saddle is used to support the load-bearing rope on the line support of double-line freight ropeway, which can be divided into: a.
Lower traction type;
Horizontal traction type.
4 Basic parameters
The basic parameters of the swing saddle shall comply with the provisions of Table 1. Table 1
XY35--60
PY3560
XY 35-80
PY35-80
XY 50-100
PY 50-100
XY50-160
PY50-160
XY 63 --200
Ring saddle curvature radius R
Approved by the Ministry of Machinery Industry on July 18, 1994bzxz.net
Allowable radial load force
JB/T 2793 94
Replaces JB2793-79
Applicable load-bearing cable diameter d
Implementation on 1995-07-01
PY63-200
XY 63 --250
PY63—250
XY 80-320
PY80—320
XY 80-400
PY80-400
JB/T 2793 --94
Continued Table 1
Curvature radius R of rocking saddle
Note: The maximum bending angle of the load-bearing cable at the saddle is calculated as 18°. Model
5.1 Model representation method
Allowable radial load
Allowable radial load code, KkN
Swing saddle curvature radius code, dm
Applicable load cable diameter d
Swing saddle type code: lower traction type XY, horizontal traction type PY5.2 Marking example
Horizontal traction swing saddle with saddle curvature radius of 5000mm and allowable radial load of 100kN: saddle PY50-100JB/T2793-94
Additional instructions:
This standard is proposed and managed by the Beijing Hoisting and Conveying Machinery Research Institute of the Ministry of Machinery Industry. This standard is drafted by the Beijing Hoisting and Conveying Machinery Research Institute of the Ministry of Machinery Industry2
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