GB/T 5844-2002 Tire coupling

This standard specifies the type, basic parameters and main dimensions, technical requirements, inspection rules, marking, packaging and storage of tire couplings. GB/T 5844-2002 Tire coupling GB/T5844-2002 standard download decompression password: www.bzxz.net

GB/T5844-
—2002
This standard is a revision of GB/T5844-1986 "Tire Coupling". The main differences between this standard and GB/T5844, 1986 are: the "inspection rules" are supplemented and improved, and the contents of "factory inspection" and "type inspection" are added. This standard will replace GB/T58441986 from the date of entry into force. Appendix A of this standard is a prompt appendix. This standard was proposed and approved by the National Technical Committee for Standardization of Machine Shafts and Accessories. The drafting units of this standard are: Mechanical Science Research Institute, China Second Heavy Industry Group Corporation Basic Parts Factory, Hebei Jizhou Coupling Factory. The main drafters of this standard are: Ming Cuixin, Tu Jiannong, Liu Jingsheng. 273
1 Scope
National Standard of the People's Republic of China
Bench-type coupling
Coupling with rubber type elementGB/T58442002
Replaces GB/T 58441986
This standard specifies the type, basic parameters and main dimensions, technical requirements, inspection rules, marking, packaging and storage of tire couplings. This standard is applicable to UL type tire couplings with coaxial connection that allows a certain offset between the two axis lines, an operating temperature of 20℃～+80C, and a nominal torque of 10√·m~25000N·m. 2 Referenced standards
The clauses contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, all versions are valid, all standards will be revised, and all parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T528-1998 Determination of tensile stress-strain properties of vulcanized rubber or thermoplastic rubber (eqvISO) 37:1994) GB/T 532 -1997
GB/T GB/T 699---1999
Determination of the bond strength of vulcanized rubber or thermoplastic rubber to fabrics (idtISO36:1993)High-quality carbon structural steel
GB/T 7001988Carbon structural steel
GB/T 1690---1992
Test method for resistance of vulcanized rubber to liquids (ncqIS(1817:1985)GB/T 3098.1-2000
GB/T 3852--1997
Mechanical properties of fasteners-Bolts, screws and studs (id1ISO8981:1999)Shaft holes and connection types and dimensions of couplings (ncgIS0)/R775:1969)GB/T 4879: 1999
Rust-proof packaging
GB/T11211--1989
Determination of bond strength between vulcanized rubber and metal - Tensile method (eqvIS0) 814:1986) GB/T 11352
-Carbon steel castings for general engineering (neIS) 3755:1975) GB/T15254--1994 180° peel test for adhesion between vulcanized rubber and metal (eqv1S0) 8510-2:1990) 3 Types, basic parameters and main dimensions
3.1 The types, basic parameters and main dimensions of UI. type tire coupling are shown in Figure 1 and Table 1. Approved by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China on September 13, 2002274
2003-04:01 implementation
GB/T 5844-2002
UL5160
UL8!400
UL.10 800
UL111000
Instantaneous most people
GB/T5844—2002
Table 1 Basic parameters and main dimensions of UIL. type tire coupling Permissible
Shaft hole diameter
12, 14
16, 18
16, 18, 19
20, 22
18, 19
20, 22, 24
20, 22, 21
25, 28
25, 28
30, 32, 35
3 0, 32, 35, 38
32, 35.38
10, 42, 15, 48
40, 42, 45
48, 50
42, 45, 48,
45', 48\, 50,
55, 5 6, 60,
63.65, 70
50, 55\, 56*
60, 63, 65,
70, 71, 75
Shaft hole length
J, J. type
Total mass-based moment of inertia
0,279 2
UL.12|1 600
UL13|2500
Instantaneous maximum
UL15|6 300
UL1610 000bzxz.net
UL17/16000
U1.18 |25 000]
20 000
r/tnin
GB/T 5844-2002 | | tt | ||tt | t||140*、150*
160*、170*、
Shaft hole length
JSmall
110210
1501300
180335
252750210
Total mass
900250490
Shaft hole diameter Those with * are allowed to be made into "type shaft" (according to GB/T3852) 2Y type is long cylindrical shaft hole, type is short cylindrical shaft hole with countersunk hole, small is short cylindrical shaft hole without countersunk hole, 3.2 The type and size of the shaft hole and keyway of the tire coupling shall comply with the provisions of GB/T3852. 3.3 When the coupling is used, the relative offset of the two connected shafts should not be greater than the allowable compensation specified in Table 2. Table 2 Allowable compensation amount
Compensation amount
Radial AY
Axial AX
Coupling model
Moment of inertia
[UL.1 UL.2 UL.3 UL4 UL5 [UL6|UL7 UL.8 UL.9 (UI.10UL11lUL12UL13UL14/UL.15(U1.16/Ut.17/U1.181.0
4.04.55.05.66.06.78.0
GB/T 5844--2002
3.4 ​​Marking rules are as follows:
UI.5 tire coupling marking in accordance with GB/T3852. Example 1: UI.5 tire coupling
Driving end: Y-type shaft hole, A-type keyway, d=28mm.l.=62mm: Driven end: J, shaft hole, B-type keyway, d=32mm, L=60mm28×62
UIL.5 coupling JB32X60
Example 2: UL8 tire coupling
G3/T 58442002
Driving end: Y-type shaft hole, A-type keyway, d=40mm, L=112mm; driven end: Y-type shaft hole, A-type keyway, d=40mm.l-112mmUL8 coupling 40X112GB/T58442002
Example 3: UL10 tire coupling
Driving end: J-type shaft hole, B-type keyway, d=50mm, 1.84mm; driven end: Y-type shaft hole, A-type keyway d=60mm, L=142mmJB50X84
UL.10 coupling
60×142
4Technical requirements
GB/T 5844--2002
4.1 The coupling shall comply with the requirements of this standard and be manufactured according to the product drawings and technical documents approved by the prescribed procedures. The materials of the coupling parts shall comply with the provisions of Table 3.
Table 3 Coupling parts, assembly names and material numbers
Tire ring
Retractable pad
Cast steel ZG35
Forged steel 35
Mechanical properties 4.8.8.8 grade
4.2 The rubber physical and mechanical properties of the tire ring assembly shall not be lower than those specified in Table 4. Preparation
GB/T11352
GB/T699
GB/T3098.1
Composed of rubber, cord rubber composite material
hoops and skeletons
GB/T 700
Table 4 Physical and mechanical properties of tire ring finished and semi-finished rubber indexes Item
Elongation at break
Tensile strength at break
Permanent deformation at break
Hot air treatment
100℃×70h
Hardness change
Elongation at break change rate
Tensile strength at break change rate
Volume change rate (30# engine oil)
100℃×70h
Semi-finished product index
Finished product index
0~~ -10
Test method
GB/T 528
GB/T 1690
GB/T 5844--2002
4.3 The bonding strength between rubber and metal of tire ring and the adhesion between materials shall not be lower than the requirements of Table 5. Table 5 The bonding strength between rubber and metal of tire ring and the adhesion between materials Items
Benefits of bonding strength between vulcanized rubber and metal
Peel strength between vulcanized rubber and metal
Force required for separation of bonding interface
Rubber-fabric
Between composite materials
Semi-finished product indicators
4.4 There shall be no dents or cracks on the tire surface, and there shall be no debonding between the tire ring and the frame. 4.5 The surface of the half coupling shall not have defects such as cracks and slag inclusions that affect the strength. 5 Inspection rules
5.1 Factory inspection
5.1.1 Visually inspect the appearance of the coupling, which shall comply with the requirements of 4.4 and 4.5. Finished product indicators
Test methods
GB/T 11211
GB/T 15234
GB/T532
5.1.2 Each set of couplings shall be inspected and qualified by the product quality inspection department of the manufacturer and accompanied by a product quality certificate before leaving the factory. 5.2 Type inspection
Type inspection shall be carried out for the first production of a series of products or when there are major changes in product structure, materials, and technology, or when the contract stipulates. 5.2.1 Inspection items
The inspection items are the entire contents of Chapter 4.
5.2.2 Sampling and batching
When the first production of couplings is less than 10 units, one unit shall be inspected; when the first production is 10 to 50 units, two units shall be inspected; when the first production is more than 50 units, three units shall be inspected. If the first inspection fails, double the inspection shall be carried out. If it fails again, all units shall be inspected. 6 Marking, packaging and storage
6.1 Marking
6.1.1 The two half-couplings should be marked with model marks according to the parts shown in the figure. 6.1.2 The following contents should be indicated on the certificate of each coupling: a) coupling name, model and code; h) manufacturer's name;
c) date;
d) inspection pass mark.
6.2 Packaging
After the half-coupling is cleaned, it should be rust-proof packaged in accordance with the provisions of GB/T4879. 6.3 Storage
The coupling should be stored in a dry environment to avoid rain, sun exposure, acid and alkali corrosion. The tire ring should be stored at room temperature and in a free state for no more than two years.
GB/T 5844-—2002
Appendix A
(Suggested Appendix)
Instructions for Selection of Couplings
A1 The coupling should be selected according to the load conditions, calculated torque, shaft end diameter, and operating speed (after selecting the coupling model, the strength of the shaft and key should be checked and calculated).
A2 Calculate the torque T. Calculate it by the following formula:
T=K·K·9550
Where: T
Theoretical torque, N·m;
-Nominal torque N·m;
Drive power, kW;|| tt||Working speed, r/min;
Working condition coefficient, see Table A1.
1T.Working condition coefficient K
Prime mover
Note: Working machine classification:
Class 1: Machinery with very small torque change;
Class I: Machinery with small torque change;
Subclass: Machinery with medium torque change;
Class N: Machinery with medium torque change and impact load: Class V: Machinery with large torque change and impact load; Class: Machinery with large torque change and strong impact load. 2803 Storage
The coupling should be stored in a dry environment to avoid rain, sun exposure, acid and alkali corrosion. The tire ring should be stored at room temperature and in a free state for no more than two years.
GB/T 5844-—2002
Appendix A
(Suggested Appendix)
Instructions for the selection of couplings
A1 The coupling should be selected according to the load conditions, calculated torque, shaft end diameter, and operating speed (after selecting the coupling model, the strength of the shaft and key should be checked and calculated).
A2 Calculated torque T. Calculated by the following formula:
T=K·K·9550
Where: T
Theoretical torque, N·m;
-Nominal torque N·m;
Driving power, kW;
Working speed, r/min;
Working condition coefficient, see Table A1.
1T.Working condition coefficient K
Prime mover
Note: Working machine classification:
Class 1: Machinery with very small torque changes;
Class I: Machinery with small torque changes;
Subclass: Machinery with medium torque changes;
Class N: Machinery with medium torque changes and impact loads: Class V: Machinery with large torque changes and impact loads; Class: Machinery with large torque changes and strong impact loads. 2803 Storage
The coupling should be stored in a dry environment to avoid rain, sun exposure, acid and alkali corrosion. The tire ring should be stored at room temperature and in a free state for no more than two years.
GB/T 5844-—2002
Appendix A
(Suggested Appendix)
Instructions for the selection of couplings
A1 The coupling should be selected according to the load conditions, calculated torque, shaft end diameter, and operating speed (after selecting the coupling model, the strength of the shaft and key should be checked and calculated).
A2 Calculated torque T. Calculated by the following formula:
T=K·K·9550
Where: T
Theoretical torque, N·m;
-Nominal torque N·m;
Driving power, kW;
Working speed, r/min;
Working condition coefficient, see Table A1.
1T.Working condition coefficient K
Prime mover
Note: Working machine classification:
Class 1: Machinery with very small torque changes;
Class I: Machinery with small torque changes;
Subclass: Machinery with medium torque changes;
Class N: Machinery with medium torque changes and impact loads: Class V: Machinery with large torque changes and impact loads; Class: Machinery with large torque changes and strong impact loads. 280
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