This standard specifies the classification, structural type, main dimensions, technical requirements, inspection rules, marking, packaging and transportation of ball cage type synchronous universal couplings for heavy machinery. The couplings specified in this standard are suitable for transmission shaft systems of heavy, metallurgical, engineering machinery and other equipment with synchronization and large shaft inclination requirements. The nominal torque transmitted is 180~4500N·m, the maximum allowable shaft inclination is 25°, and the ambient temperature is -20~100℃. JB/T 6140-1992 Ball cage type synchronous universal couplings for heavy machinery JB/T6140-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
JB/T6140-1992
Ball Cage Type
Synchronous Universal Coupling for Heavy Machinery
Published on June 9, 1992
Implementation by the Ministry of Machinery and Electronics Industry of the People's Republic of China on January 1, 1993
Mechanical Industry Standard of the People's Republic of China
Ball Cage Type
Synchronous Universal Coupling for Heavy Machinery
JB/T6140—1992
This standard specifies the classification, structural type, main dimensions, technical requirements, inspection rules, marking, packaging and transportation of ball cage type synchronous universal couplings for heavy machinery (hereinafter referred to as couplings). The couplings specified in this standard are suitable for transmission shaft systems of heavy, metallurgical, engineering machinery and other equipment with synchronization and large shaft inclination requirements. The nominal torque transmitted is 180~4500N·m, the maximum allowable shaft inclination is 25°, and the ambient temperature is -20~+100℃C. 2
Reference standards
GB3507
GB3852
GB3931
GB7549
GB7550
JB/ZQ4000.9
JB/ZQ4069
3 Classification
3.1 Marking
Mechanical coupling nominal torque series
Coupling shaft hole and Keyway
Type and size
Terms of mechanical coupling
Ball cage type synchronous universal coupling
Ball cage type synchronous universal coupling
General technical conditions for assembly
Type, basic parameters and main dimensions
Test method
Technical conditions for ball cage type synchronous universal coupling The keyway type, main dimensions and marking method shall comply with the relevant provisions of GB3852. The driving end of the coupling and the shaft hole and
driven end of the coupling shall use a half coupling with the same shaft hole size. xx
Standard number
Total length of coupling, mm
Matching length of half-coupling shaft hole, mm
Diameter of half-coupling shaft hole, mm
Keying type code of half-coupling (code of A-type keyway is not indicated)Shaft hole type code of half-coupling (code of Y-type shaft hole is not indicated)Coupling model and name
3.2 Marking example
Approved by the Ministry of Machinery and Electronics Industry on June 9, 1992 and implemented on January 1, 1993
JB/T 6140—1992
QWLZA heavy machinery ball cage type synchronous universal coupling Example 1
Y-type shaft hole, A-type keyway, d=60mm, L=142mm, Lg=960mm Marking: QWLZ4 coupling 60×142×960JB/T614092 Example 2QWLZ7 heavy machinery ball cage type synchronous universal coupling J-type shaft hole, B-type keyway, d= 100mm, L=212mm, L=1180mmMark: QWLZ7 coupling JB100×212X1180JB/T6140-92
3.3 Structural type, basic parameters and main dimensions The structural type, basic parameters and main dimensions of the coupling shall comply with the provisions in the following figure and table. 4 Technical requirements
The technical requirements of the coupling shall be in accordance with the provisions of JB/ZQ4069. 5 Inspection rules
The inspection rules of the coupling shall be in accordance with the provisions of JB/ZQ4069. 6 Marking, packaging and transportation
The marking, packaging and transportation of the coupling shall be in accordance with the provisions of JB/ZQ4069. Welding shaft
1-outer ring: 2-inner ring: 3-steel ball: 4-ball cage: 5-intermediate shaft: 6-half coupling: 7-bolt: 8-nut: 9-sealing sleeve D
JB/T61401992
-01xto0
-01x08
-01xTz1
, sold to China
welded shaft||t t||#hole diameter
When working
When stationary
Nominal torque
JB/T61401992
01x9\9
Douhai\
Welded shaft
Shaft hole diameter
When working
When stationary
Nominal torque
JB/T6140 1992
-01xst
e-01020
01x985
Welding shaft
Diameter of the hole
When working
When stationary
Nominal torque
JB/T6140-1992
-01×68
-01TS8||tt ||Bomei"7
w, running good
fighting instant every 7
\7V beast
When working
When stationary
Nominal speed
6140—1992
Appendix A
Selection instructions
(reference)
A1 The coupling specified in this standard is composed of two single universal couplings and A two-way coupling composed of an intermediate shaft. Both single universal coupling and double universal coupling can ensure synchronization.
A2 Selection of coupling
A2.1 The type of shaft holes at both ends of the coupling is Y-type or J-type, and the type of shaft hole keyway is A-type or B-type. A2.2 Calculation of torque:
K,K,Pw
T=171882×
Where: T.
Calculation torque of coupling, N·m;
-Nominal torque of coupling, N·m:
Driving power, kW:
Working speed, min;
Prime mover coefficient, found in Table A1:
Continuous working time coefficient, found in Figure A1:K
Shaft inclination coefficient, found in Figure A2;||tt ||K speed coefficient, obtained from Figure A3.
A2.3 According to the speed and calculated torque of the coupling, select the coupling model from Figure A3 so that the torque at the corresponding operating speed is greater than the calculated torque.
A2.4 During continuous operation, considering the internal heating of the coupling and the durability of the rubber sealing sleeve, the shaft inclination angle and the allowable speed shall not exceed the limit values ​​of Figure A4.
A2.5 The allowable speed of couplings of different lengths shall not exceed the limit values ​​of Figure A5. Table A1
Type of prime mover
Electric motor, steam turbine generator
Gasoline engine
Diesel engine
More than 4 cylinders
Less than 3 cylinders
More than 4 cylinders
Less than 3 cylinders
\棚解鞋
JB/T 6140—1992
101214
1682024
Continuous construction work enclosure #
1012468202246
Template pass
6080100
20030040050080010002000
Speed ​​nr/min
Additional instructions:
WQLZ5,6.7
JB/T6140-1992
Axis inclination angle ()
Axis total length L, mm
This standard was proposed and managed by Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. The main drafter of this standard is Yang Zhijun. www.bzxz.net
People's Republic of China
Mechanical Industry Standard
Ball Cage Type for Heavy Machinery
Synchronous Universal Coupling
JB/T 61401992
Published and issued by the China Academy of Mechanical Science
Printed by the China Academy of Mechanical Science
(No. 2 Shouti South Road, Beijing
Postal Code 100044)
Format 880×12301/16 Printing Sheet 3/4
Word Count 16,000
First Edition in October 1992 First Printing in October 1992 Print Length 0.001-500
Price 1.80 Yuan
Mechanical Industry Standard Service Network: http:/www.JB.ac.cn61_09
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