This standard specifies the test conditions and methods for the traction performance test of agricultural tires, the presentation of test results and the test report. This standard is applicable to the traction performance test of dryland agricultural drive tires. GB/T 14828-2003 Agricultural tire traction performance test method GB/T14828-2003 standard download decompression password: www.bzxz.net

ICS 83. 16C, 00
National Standard of the People's Republic of China
GB/T14828—2003
Replaces GB/T14829—1
Test method for traction performance of agricultural tyres
Test method for traction performance of agricultural tyres2003-11-10 Issued
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on June 1, 2004
This standard replaces GB/T14828—2003
Replaces GB/T14829—1
Test method for traction performance of agricultural tyres The main differences between this standard and (13; T [4621933) are as follows: Delete relative, visual gaze ten drop test (1393 East 3.1.2): fA door 14828-2003 || tt || you can provide the most accurate measurement of flux error, in addition to the long-term measurement accuracy requirements and increased requirements for the year and the violation of the fee (1993 version 4.3. 5.3> of this version: added the introduction of the test method (see this version 3.5)! The tire pressure is specified as the tire mother six load pressure (1993 5.2 of the 2002 edition and 3.2.2 of the sixth edition), added requirements for the measurement of zero-gravity conditions (see the requirements for the numerical combustion of this edition) (see A.4.3 of this edition): This standard was proposed by the Baishan Huiwu Petroleum and Chemical Industry Association and is under the jurisdiction of the National Technical Committee for the Preparation of New Energy Vehicle Standards. The National Technical Committee for the Preparation of New Energy Vehicle Standards is responsible for the interpretation of the standard. The drafting units of this standard are: Luoyang Research Institute of Machinery and Equipment Research: The authors of this standard are: Qi Jinze and Li Xi'an. The previous editions of the standards replaced by this standard are: - .. GH/1 1432X--1393..
1 Scope
Test method for traction performance of agricultural tires
GB/T 14828—2003
This standard specifies the test conditions and the expression of test results and test reports for the agricultural wheel bearing test of agricultural vehicles. This standard is active on the second phase of the standard. Normative references
The following ten documents are cited by reference to the provisions of the standard. The date of the citation is marked. The amendments (excluding the revisions or revisions) issued after the date of the standard are not confirmed by this standard. However, the standard is frequently adopted according to the standard. All parties shall study whether the latest version of this document can be used. For any documents that are not available, the latest version shall apply to this standard. /T1921999 Agricultural tires [S4231-1:1992, 104252192, [S04251-: 1992S1251-1002
GB/T23791999 Agricultural tire series c41042511: 1992.15042512: 1952.[5022514: 1092JS0 *251 5: 1692)
HG/T17 tire front specification quality productsWww.bzxZ.net
3 Test conditions and methods
3. 1 Soil filling conditions
should be typical. With the joints and the surface level, the depth above the test should not be greater than 5%: the mass fraction of soil moisture content is 1<15%--7:%,
soil filling levelness is as follows;
harder - 00klz--1130ka;
looser - 300P--632kpa
the lowest ambient temperature of the test piece is ℃~35
|3.2 Test device
3.2.1 Test equipment
The test equipment should be able to dynamically test the tire at a high frequency, and the parallel test system should be able to test the vertical load and horizontal load at a fixed frequency. The vertical load and horizontal load will not be affected by the vehicle's rotation, so the vertical load and parallel load cannot be affected. 3.2.2 To the instrument and equipment
Use a small measurement device to test the vertical force of the tire, change the rotation speed, and the required equipment for the gravity speed! Tire pressure, record the soil solidity in the following areas:
3.3 Measurement accuracy
Specific test product changes 1.
Table 1 Parameters Test precision
3.4 ​​Test criteria
3.4.1 Soil
Angle angle
Tire air pressure
After adjustment, measure 1: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70. 71. 72. 73. 74. 75. 76. 77. 78. 79. 80. 81. 81. 82. 83. 84. 85. 86. 87. 89. 90. 91. 91. 92. 93. 94. 95. 96. 97. 98. 99. 101. 10 Finally, the benefit value of the sensing point is used as the data value 3, 4, 2 Test tire
Install the test wheel that meets the requirements of TIG/T2:77 on the standard wheel assembly (G13/T11921999 or GH/3979--1J!!), determine the air pressure of the wheel, and then install the wheel assembly to the test device 1. 3.5 Test method
In the test environment, use the rear driving device to apply torque to the test tire to drive it to rotate. At the same time, it can add direct load to make the tire exert a large amount of force on the wheel (GB/11921999 GB/297-1555) as the total load to achieve the desired rate! During the driving process, the tire and the ground interact with each other, generating a certain traction in the driving direction. Under the condition of different soil conditions, wheels with different traction effects may generate different traction. At the same time, use a lifting instrument to measure the vertical force on the tire and the ground, and monitor the moment of motion, traction, speed, etc. The minimum traction coefficient should be controlled. The tire's running speed should be less than 10 in zero hour, and the reverse rotation rate should be more than 3 times. The measurement points should be no less than 12: calculate the traction coefficient of each point, the rotation order, and the traction efficiency. Finally, the traction performance of the tire is verified by data analysis. 4 Table of test results
4.1 Efficiency coefficient
TCTraction coefficient:
F,—traction, unit is T
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