This standard specifies the classification, technical requirements, test methods and inspection rules of AYL type hydraulic safety couplings. JB/T 7355-1994 AYL type hydraulic safety couplings JB/T7355-1994 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T735594
AYL Hydraulic Safety Coupling
Published on July 18, 1994
Ministry of Machinery Industry of the People's Republic of China
Implementation on July 1, 1995
Subject Content and Scope of Application
Cited Standards
Technical Requirements.
Test Methods
Inspection Rules
8 Marking, Packaging, Storage
Appendix A
Instructions for Selection of Safety Couplings (reference): Application Examples of Safety Couplings (reference) Appendix B
Mechanical Industry Standard of the People's Republic of China
AYL Hydraulic Safety Coupling
"Subject Content and Scope of Application
JB/T 735594
This standard specifies the classification, technical requirements, test methods and inspection rules of AYL type hydraulic safety coupling (hereinafter referred to as safety coupling).
This standard is applicable to the transmission shaft system connecting two coaxial lines, which can limit torque and provide safe overload protection. The ambient temperature is -20+70C: the running torque is 0.315~8000kN·m. 2 Reference standards
GB3507
GB3852
GB3931
GB4879
GB6388
GB7284
Packaging, storage and transportation pictorial signs
Nominal torque series of mechanical couplings
Types and dimensions of coupling shaft holes and keyways
Terms of mechanical couplings
Rust-proof packaging
Transport packaging delivery and receipt signs
Frame wooden boxes
General technical requirements for packaging of electromechanical products
GB/T 13384
JB3963
JB3965
Ultrasonic flaw detection of pressure vessel forgings
Magnetic particle flaw detection of steel pressure vessels
Sliding torque T The torque transmitted by the relative sliding moment of the driving and driven ends of the safety coupling, 4 categories
There are seven types of safety couplings as follows, see Table 1. Table 1
Type code
Low-speed shaft connection
Safety coupling
Approved by the Ministry of Machinery Industry on July 18, 1994
Implemented on July 1, 1995
Type code||tt| |High-speed shaft connection
Safety coupling
Low-speed key connection
Safety coupling
High-speed key connection
Safety coupling
Low-speed flange connection
Knot safety coupling
High-speed flange connection
Knot safety coupling
Commercial end gear
Knot safety coupling
IB/T7355-
Continued Table 1
4.2 Model and marking
4.2.1 Model indication method
4.2.2 Marking example
JB/T 7355-94
Key connection and face gear connection shaft hole diameter
Type code
Hydraulic safety coupling
Example 1: AYL50DZ low-speed shaft connection safety coupling AYL50DZ coupling JB/T7355--94
Example 2: AYL80DJ low-speed key connection safety coupling, shaft hole diameter d=71mmAYL80DJ-71 coupling JB/T7355-94Example 3: A suitable for GICL drum gear coupling YL120GF high-speed flange-connected safety couplingAYL120GF1 couplingJB/T7355-94
Example 4: AYL300GC high-speed face-tooth-connected safety coupling, with a hole diameter of d=280mmAYL300GC-280 couplingJB/T7355-944.3 Basic parameters and main dimensions
4.3.1DZ type
low-speed shaft-connected safety coupling
Basic parameters and main dimensions shall conform to the requirements of Figure 1 and Table 2. Shear ring
Before shearing
Connection change
Figure 1DZ type-
Low speed shaft connection safety coupling
AYL30DZ
AYL35DZ
AYL40DZ
AYL45DZ
AYL50DZ
AYL60DZ
AYL70DZ
AYL80DZ
AYL90DZ
AYL100DZ||tt ||AYL110DZ
AYL120DZ
AYL130DZbzxZ.net
AYL140DZ
AYL150DZ
AYL160DZ
AYL170DZ
AYL180DZ
AYL190DZ
AYL20 0DZ
AYL220DZ
Clear torque
0.315~0.630
0. 500 ~ 1. 000 | 2.4
14.0~28.0
18.0~35.5
25~50
56~112
71~140
80~160
160~200
Table 2DZ type
JB/T 7355-94
Low-speed shaft connection safety coupling
Moment of inertia
Note: The sliding torque in the table is the value when the ambient temperature is above 0°C. If the ambient temperature is below 0°C, the sliding torque should be appropriately reduced. See Chapter A8 in Appendix A (reference).
4.3.2GZ type - high-speed shaft connection safety coupling JB/T 7355-94
Basic parameters and main dimensions should comply with the provisions of Figure 2 and Table 3 L: ±0. 2
Shear ring
Shear ring
Connection
C×45*
Figure 2GZ type
High-speed shaft connection safety coupling
5~1 (axial spacing)
JB/T7355
568052
e*026102
6219900s
+'sto'0s't
0010~8t~0*6
001291
2'11~9's
4.3.3DJ type -
JB/T7355—94
-Low speed key connection safety coupling
The basic parameters and main dimensions shall conform to the requirements of Figure 3 and Table 4. Jingzhi bad
Shear tube
Figure 3DJ type
Table 4 DJ type
AYL35DJ
AYL40DJ
AYL48DJ
AYL55D)
AYL60DJ
AYL70DJ
AYL80DJ||tt ||AYL85DJ
Cycling torque
0.63~1.25
1.12~2.24
1. 60~3.15
2. 24~4.50
3. 15 -~- t. 30
4. 5 ~ 9. 0
8.0~16. 0
50~-60
0.5~1(axial spacing)
Coupling sleeve
Low-speed chain-connected safety coupling
Low-speed key-connected safety coupling
15013690
160146
170155110|105
180165
120204
Rotation adjustment
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