CN101334069A - Water lubrication rubber alloy bearing - Google Patents

Water lubrication rubber alloy bearing Download PDF

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Publication number
CN101334069A
CN101334069A CNA2008100700893A CN200810070089A CN101334069A CN 101334069 A CN101334069 A CN 101334069A CN A2008100700893 A CNA2008100700893 A CN A2008100700893A CN 200810070089 A CN200810070089 A CN 200810070089A CN 101334069 A CN101334069 A CN 101334069A
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rubber alloy
lubricating rubber
water lubricating
bearing
water
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CN101334069B (en
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王家序
田凡
王帮长
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CHONGQING BENTENG TECHNOLOGY DEVELOPMENT Co Ltd
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Chongqing University
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Abstract

The invention discloses a water lubrication rubber alloy bearing, which comprises a water lubrication rubber alloy bushing and a bearing outer ring. The water lubrication rubber alloy bushing is bonded on the inner circumference of the bearing outer ring through die stamping and vulcanizing, the corresponding coincidence relation is adopted for the radial thickness m of the water lubrication rubber alloy bushing according to the difference of the internal diameter d of the water lubrication rubber alloy bushing. The affect of the radial thickness of the water lubrication rubber inner liner to the bearing capacity and the shock resistant capability of the bearing is comprehensively considered in the water lubrication rubber alloy bearing, the corresponding thickness of the water lubrication rubber inner liner is adopted according to bearings with different specifications, the bearing capacity of the bearing is obviously enhanced, the properties of surface deformation compatibility and elastic fluid dynamic pressure lubrication and the good silt, sand and impurities drainage capacity are strengthened, the service life of the water lubrication rubber alloy bearing is more than three times the similar bearing, the water lubrication rubber alloy bearing has the advantages of vibration damping, noise reduction, abrasion resistance, reliability, high efficiency, energy conservation and environmental friendliness and can be widely applied to the fields of the engineering equipments of machinery, marine vessel, petroleum, chemical industry, mine, water conservancy, agriculture and national defense.

Description

Water lubricating rubber alloy bearing
Technical field
The present invention relates to a kind of transmission part, particularly a kind of water lubricating rubber alloy bearing.
Background technique
Bearing is the indispensable parts of mechanical transmission, common metal rolls and sliding bearing, owing to need lubricant oil to be lubricated, therefore, if be applied to the gearing that contacts with water, then need complicated sealed member, enter lubrication system if any water, then easily cause damage of bearings to lose efficacy, even oil leakage oil pollution water environmental problems can occur.In the prior art, water lubriucated bearing particularly is used widely in the propulsion system such as boats and ships in mechanical transmission, and water lubriucated bearing adopts water as lubricant medium, can economize on resources and environmental friendliness aspect well solved above problem.
Water lubriucated bearing adopts the outer ring to add the structure of water lubricating rubber material liner, in the prior art, owing to do not take all factors into consideration the characteristics of water lubricating rubber material, and in fact the radial thickness of water lubricating rubber material liner has important influence for the bearing capacity and the shock resistance of bearing, the radial thickness of the lubricated rubber material liner of prior art is not taken all factors into consideration bearing capacity and shock resistance, thereby can't reach the optimum Match of bearing capacity and shock resistance, thereby exist fretting wear fast, problem such as working life is short.Simultaneously, existing water lubriucated bearing drainage silt and impurity are indifferent, also are that fretting wear is fast, one of reason that working life is short.
Therefore, need transform existing water lubriucated bearing, water lubricating rubber material liner radial thickness is taken all factors into consideration bearing capacity and shock resistance, improves the combination property of water lubriucated bearing, prolongs the working life of bearing.
Summary of the invention
In view of this, the purpose of this invention is to provide a kind of water lubricating rubber alloy bearing, take all factors into consideration of the influence of water lubricating rubber material liner radial thickness, improve the combination property of water lubriucated bearing, prolong the working life of bearing bearing load carrying capacity and shock resistance.
Water lubricating rubber alloy bearing of the present invention, comprise water lubricating rubber alloy lining and bearing outer ring, described water lubricating rubber alloy lining is bonded in the inner circumference of bearing outer ring by molded vulcanization, between the radial thickness m of water lubricating rubber alloy lining and the water lubricating rubber alloy lining inner diameter d is following corresponding relation, and wherein thickness size unit is a millimeter:
Metric unit, d unit is a millimeter: 15≤d＜30,4≤m≤5; 30≤d＜55,6≤m≤7; 55≤d＜80,8≤m≤9; 80≤d＜105,9≤m≤11; 105≤d＜135,11≤m≤12; 135≤d＜180,12≤m≤14; 180≤d＜210,14≤m≤15; 210≤d＜296,16≤m≤17; 296≤d＜340,16≤m≤18; 340≤d＜380,17≤m≤19; 380≤d＜400,18≤m≤20; 400≤d＜500,19≤m≤23; 500≤d≤550,23≤m≤25;
English unit, d unit are inch: English unit, d unit are inch: 3 4 &le; d &le; 7 8 , 4≤m≤5； 7 8 < d &le; 1 , 6≤m≤7； 1 < d &le; 1 1 4 , 8≤m≤9； 1 1 4 < d &le; 3 5 8 , 9≤m≤11； 3 5 8 < d &le; 4 7 8 , 11≤m≤13； 4 7 8 < d &le; 6 1 2 , 12≤m≤14； 6 1 2 < d &le; 6 5 8 , 11≤m≤13； 6 5 8 < d &le; 7 3 8 , 14≤m≤16； 7 3 8 < d &le; 10 7 8 , 15≤m≤17； 10 7 8 < d &le; 11 7 8 , 17≤m≤19； 11 7 8 < d &le; 12 5 8 , 19≤m≤21； 12 5 8 < d &le; 13 7 8 , 20≤m≤22； 13 7 8 < d &le; 15 , 21≤m≤23。
Further, the axial length L of water lubricating rubber alloy bearing be water lubricating rubber alloy lining inner diameter d 2-4 doubly;
The outside dimension D of water lubricating rubber alloy bearing is:
Metric unit, d and m unit are millimeter: d+8m/3≤D≤d+8m;
English unit, d unit are inch, and m unit is a millimeter: d+2.3m/25.4≤D≤d+8m/25.4;
Further, described water lubricating rubber alloy lining axially is provided with the water channel groove that cross section is a circular arc, and described water channel groove is along the circumferential direction uniform; Water lubricating rubber alloy sleeve inner surface between the adjacent water channel groove axially is provided with the circular arc shallow slot, passes through the tangent rounding off of arc surface between described circular arc shallow slot and the water channel groove;
Further, d/2≤circular arc shallow slot radius≤d/2+0.5, d/16.6≤arc surface radius≤(d/2+0.5)/1.4; D/28≤water channel groove radius≤(d/2+0.5)/2.3;
Further, described water lubricating rubber alloy bearing is a flange-type, and the diameter dimension of described flange is 1.2d≤flange plate diameter dimension≤3.2d; The flange plate axial thickness is of a size of:
Metric unit, d and m unit are millimeter: 1.3m≤flange thickness≤2.3m,
English unit, d unit are inch, and m unit is a millimeter: m/25.4≤flange thickness≤1.9m/25.4.
Further, the material of water lubricating rubber alloy lining comprises following component by weight: nitrile rubber 40-100, zine oxide 3～8, sulphur 1～3, promoter 1～3, age resister 1～3, fatty acid 1～3, semi-reinforcing carbon black 60～80, bulking agent 20～60;
Further, the material of described water lubricating rubber alloy lining comprises following component by weight: nitrile rubber 70, zine oxide 5, sulphur 2, promoter 2, age resister 2, fatty acid 2, semi-reinforcing carbon black 70, bulking agent 40;
Further, described promoter is N-cyclohexyl-2-benzothiazole sulfonamide, and age resister is a nickel dibutyl dithiocarbamate, and fatty acid is C16 or C18 saturated fatty acid, and bulking agent is molybdenum disulfide, teflon, graphite, glass fibre or carbon fiber;
Further, water lubricating rubber alloy lining hardness is 60～90 shore hardnesses, and surface roughness is 1.1～1.9 μ m;
Further, the water lubricating rubber alloy lining is that material by the water lubricating rubber alloy lining is shaped by molded vulcanization; The sulfide stress that the material molded vulcanization is shaped is 10～25MPa, and sulfurize temperature is that 110 ~ 180 ℃, cure time are 30～80min.
The invention has the beneficial effects as follows: water lubricating rubber alloy bearing of the present invention, take all factors into consideration of the influence of water lubricating rubber material liner radial thickness to bearing load carrying capacity and shock resistance, bearing according to different size, adopt the thickness of corresponding water lubricating rubber material liner, improve the combination property of water lubriucated bearing, prolong the working life of bearing; Adopt water channel groove and sleeve inner surface the circular arc shallow slot axially to be set by the sleeve inner surface between arc surface rounding off and the adjacent water channel groove, pass through the arc surface rounding off between circular arc shallow slot and the water channel groove, compare with the straight trough of prior art, strengthen water lubriucated bearing and drain silt and impurity ability, make the lining fretting wear slow, more be easy to generate elastic hydrodynamic lubrication, between transmission shaft and bearing, form the moisture film supporting, reduce fretting wear, than the long service life of similar bearing more than 3 times, user cost is low, it only is advantage such as 1/10～1/4 of conventional metals bearing, it has not only saved valuable non-ferrous metal and lubriation material, but also can save complicated lubricant supply system, also can reduce seal arrangement, simplified structure improves maintainability, is applicable to boats and ships, machinery, oil, chemical industry, water conservancy, the correlative equipment in engineering fields such as mine; Rational structure, the material that cooperates the water lubricating rubber alloy lining of special proportioning, can obviously strengthen the bearing capacity and the shock resistance of bearing and the friction factor that reduces bearing inner surface, not only can prolong the working life of bearing, can also improve the efficient of transmission greatly.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Accompanying drawing is a radial section structural representation of the present invention.
Embodiment
Accompanying drawing is a radial section structural representation of the present invention, as shown in the figure: the water lubricating rubber alloy bearing of present embodiment, comprise water lubricating rubber alloy lining 2 and bearing outer ring 1, water lubricating rubber alloy lining 2 is bonded in the inner circumference of bearing outer ring by molded vulcanization;
Below be that embodiment is a metric unit, between the radial thickness m of water lubricating rubber alloy lining 2 and water lubricating rubber alloy lining 2 inner diameter d is following corresponding relation, wherein radial thickness m size and inner diameter d unit are millimeter, in the form, the radial thickness m of the water lubricating rubber alloy lining 2 of the corresponding different range of each internal diameter size, wherein each scope is three embodiments;
Figure A20081007008900081
2. 20 4 20 4.5 20 5
3. 22 4 22 4.5 22 5
4. 25 4 25 4.5 25 5
5. 28 4 28 4.5 28 5
6. 30 6 30 6.5 30 7
7. 32 6 32 6.5 32 7
8. 35 6 35 6.5 35 7
9. 38 6 38 6.5 38 7
10. 40 6 40 6.5 40 7
11. 45 6 45 6.5 45 7
12. 50 6 50 6.5 50 7
13. 55 8 55 8.5 55 9
14. 60 8 60 8.5 60 9
15. 65 8 65 8.5 65 9
16. 70 8 70 8.5 70 9
17. 75 8 75 8.5 75 9
18. 80 9 80 10 80 11
19. 85 9 85 10 85 11
20. 90 9 90 10 90 11
21. 95 9 95 10 95 11
22. 100 9 100 10 100 11
23. 550 23 550 24 550 25
24. 105 11 105 11.5 105 12
25. 110 11 110 11.5 110 12
26. 115 11 115 11.5 115 12
27. 120 11 120 11.5 120 12
28. 121 11 121 11.5 121 12
29. 123 11 123 11.5 123 12
30. 125 11 125 11.5 125 12
31. 130 11 130 11.5 130 12
32. 132 11 132 11.5 132 12
33. 134 11 134 11.5 134 12
34. 135 12 135 13 135 14
35. 135 12 135 13 135 14
36. 140 12 140 13 140 14
37. 142 12 142 13 142 14
38. 144 12 144 13 144 14
39. 145 12 145 13 145 14
40. 150 12 150 13 150 14
41. 153 12 153 13 153 14
42. 155 12 155 13 155 14
43. 156 12 156 13 156 14
44. 160 12 160 13 160 14
45. 163 12 163 13 163 14
46. 170 12 170 13 170 14
47. 175 12 175 13 175 14
48. 178 12 178 13 178 14
49. 180 14 180 14.5 180 15
50. 185 14 185 14.5 185 15
51. 188 14 188 14.5 188 15
52. 190 14 190 14.5 190 15
53. 197 14 197 14.5 197 15
54. 200 14 200 14.5 200 15
55. 207 14 207 14.5 207 15
56. 207 14 207 14.5 207 15
57. 210 16 210 16.5 210 17
58. 211 16 211 16.5 211 17
59. 213 16 213 16.5 213 17
60. 215 16 215 16.5 215 17
61. 218 16 218 16.5 218 17
62. 220 16 220 16.5 220 17
63. 222 16 222 16.5 222 17
64. 228 16 228 16.5 228 17
65. 230 16 230 16.5 230 17
66. 232 16 232 16.5 232 17
67. 239 16 239 16.5 239 17
68. 240 16 240 16.5 240 17
69. 242 16 242 16.5 242 17
70. 243 16 243 16.5 243 17
71. 249 16 249 16.5 249 17
72. 250 16 250 16.5 250 17
73. 252 16 252 16.5 252 17
74. 260 16 260 16.5 260 17
75. 264 16 264 16.5 264 17
76. 270 16 270 16.5 270 17
77. 271 16 271 16.5 271 17
78. 275 16 275 16.5 275 17
79. 276 16 276 16.5 276 17
80. 279 16 279 16.5 279 17
81. 280 16 280 16.5 280 17
82. 282 16 282 16.5 282 17
83. 286 16 286 16.5 286 17
84. 290 16 290 16.5 290 17
85. 292 16 292 16.5 292 17
86. 296 16 296 17 296 18
87. 297 16 297 17 297 18
88. 300 16 300 17 300 18
89. 310 16 310 17 310 18
90. 320 16 320 17 320 18
91. 330 16 330 17 330 18
92. 340 17 340 18 340 19
93. 350 17 350 18 350 19
94. 360 17 360 18 360 19
95. 370 17 370 18 370 19
96. 380 18 380 19 380 20
97. 390 18 390 19 390 20
98. 400 19 400 20 400 21
99. 410 19 410 20 410 21
100. 420 20 420 21 420 22
101. 430 20 430 21 430 22
102. 440 21 440 22 440 23
103. 450 21 450 22 450 23
104. 460 21 460 22 460 23
105. 470 21 470 22 470 23
106. 480 21 480 22 480 23
107. 490 21 490 22 490 23
108. 500 21 500 22 500 23
109. 510 23 510 24 510 25
110. 520 23 520 24 520 25
111. 530 23 530 24 530 25
112. 540 23 540 24 540 25
Below being that embodiment is an English unit, is following corresponding relation between the radial thickness m of water lubricating rubber alloy lining 2 and water lubricating rubber alloy lining 2 inner diameter d, and wherein radial thickness m dimensional units is a millimeter, and inner diameter d unit is an inch; In the form, the radial thickness m of the water lubricating rubber alloy lining 2 of the corresponding different range of each internal diameter size, wherein each scope is three embodiments;
Figure A20081007008900131
Figure A20081007008900141
Figure A20081007008900171
In the above form, comprise among the whole embodiments of metric unit and English unit that water lubricating rubber alloy lining 2 axially is provided with the water channel groove 3 that cross section is a circular arc, water channel groove 3 is along the circumferential direction uniform; Water lubricating rubber alloy lining 2 inner surface axials between the adjacent water channel groove 3 are provided with circular arc shallow slot 4, pass through arc surface 5 tangent rounding ofves between circular arc shallow slot 4 and the water channel groove 3.
Circular arc shallow slot 4 radiuses=d/2, arc surface 5 radiuses=d/16.6, water channel groove 3 radiuses=d/28;
Also can be: circular arc shallow slot 4 radiuses=d/2+0.5, arc surface 5 radiuses=d/4.8+0.2, water channel groove 3 radiuses=(d/2+0.5)/2.3;
Best: circular arc shallow slot 4 radiuses=d/2+0.25, arc surface 5 radiuses=(d/2+0.5)/1.4, water channel groove 3 radiuses=0.25d+0.2;
Embodiment's water lubricating rubber alloy lining hardness is 60 shore hardnesses in the above form, and surface roughness is 1.1 μ m;
Best: water lubricating rubber alloy lining hardness is 70 shore hardnesses, and surface roughness is 1.6 μ m; This hardness range can guarantee the optimum Match of carrying of water lubricating rubber alloy lining and shock resistance, prolongs the working life of bearing greatly, and is beneficial to the raising transmission efficiency;
Also can be: water lubricating rubber alloy lining hardness be 90 shore hardnesses, and surface roughness is 1.9 μ m; This hardness range can guarantee carrying of water lubricating rubber alloy lining and the suitable coupling of shock resistance, is beneficial to the working life that prolongs bearing.
Embodiment's water lubricating rubber alloy lining is that material by the water lubricating rubber alloy lining is shaped by molded vulcanization in the above form; The sulfide stress that the material molded vulcanization is shaped is 10MPa, and sulfurize temperature is that 110 ℃, cure time are 30min;
Best: the sulfide stress that the material molded vulcanization is shaped is 18MPa, and sulfurize temperature is that 150 ℃, cure time are 60min;
Also can be: the sulfide stress that the material molded vulcanization is shaped be 25MPa, and sulfurize temperature is that 180 ℃, cure time are 80min.
By above sulfuration process, make the hardness of water lubricating rubber alloy lining and surface roughness all reach predetermined value, be beneficial to the bearing capacity that improves the water lubricating rubber alloy lining, and reach the desired indicator of antidetonation and bearing capacity.
The axial length L of the embodiment's water lubricating rubber alloy bearing in the above form is 2 times of water lubricating rubber alloy lining 2 inner diameter d;
Best: the axial length L of water lubricating rubber alloy bearing is 3 times of water lubricating rubber alloy lining 2 inner diameter d;
Also can be: the axial length L of water lubricating rubber alloy bearing be 4 times of water lubricating rubber alloy lining 2 inner diameter d;
The outside dimension D of the water lubricating rubber alloy bearing of the embodiment's metric unit in the above form is d+8m/3;
Best: the outside dimension D of water lubricating rubber alloy bearing is d+6m;
Also can be: the outside dimension D of water lubricating rubber alloy bearing be d+8m.
The outside dimension D of the water lubricating rubber alloy bearing of the embodiment English unit in the above form is d+2.3m/25.4;
Best: the outside dimension D of water lubricating rubber alloy bearing is d+6m/25.4;
Also can be: the outside dimension D of water lubricating rubber alloy bearing be d+8m/25.4.
Following embodiment is flange-type water lubricating rubber alloy bearing embodiment, and the flange plate diameter dimension of flange is 1.2d, also can be 3.2d, and optimum size is 2d;
The axial thickness of flange plate is of a size of:
Metric unit, d and m unit are millimeter: flange thickness is 1.3m, also can be 2.3m, and optimum size is 1.8m;
English unit, d unit are inch, and m unit is millimeter: flange thickness is m/25.4, also can be 1.9m/25.4, and optimum size is 1.5m/25.4.
Following examples are the material embodiment of water lubricating rubber alloy lining, and material component unit is Kg.
Material embodiment one
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 40Kg, zine oxide 3Kg, sulphur 1Kg, N-cyclohexyl-2-benzothiazole sulfonamide 1Kg, nickel dibutyl dithiocarbamate 1Kg, C16 saturated fatty acid 1Kg, semi-reinforcing carbon black 60Kg, molybdenum disulfide 20Kg.
Material embodiment two
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 70Kg, zine oxide 5Kg, sulphur 2Kg, N-cyclohexyl-2-benzothiazole sulfonamide 2Kg, nickel dibutyl dithiocarbamate 2Kg, C16 saturated fatty acid 2Kg, semi-reinforcing carbon black 70Kg, molybdenum disulfide 40Kg.
Material embodiment three
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 100Kg, zine oxide 8Kg, sulphur 3Kg, N-cyclohexyl-2-benzothiazole sulfonamide 3Kg, nickel dibutyl dithiocarbamate 3Kg, C16 saturated fatty acid 3Kg, semi-reinforcing carbon black 80Kg, molybdenum disulfide 60Kg.
Material embodiment four
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 40Kg, zine oxide 3Kg, sulphur 1Kg, N-cyclohexyl-2-benzothiazole sulfonamide 1Kg, nickel dibutyl dithiocarbamate 1Kg, C18 saturated fatty acid 1Kg, semi-reinforcing carbon black 60Kg, teflon 20Kg.
Material embodiment five
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 70Kg, zine oxide 5Kg, sulphur 2Kg, N-cyclohexyl-2-benzothiazole sulfonamide 2Kg, nickel dibutyl dithiocarbamate 2Kg, C18 saturated fatty acid 2Kg, semi-reinforcing carbon black 70Kg, teflon 40Kg.
Material embodiment six
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 100Kg, zine oxide 8Kg, sulphur 3Kg, N-cyclohexyl-2-benzothiazole sulfonamide 3Kg, nickel dibutyl dithiocarbamate 3Kg, C18 saturated fatty acid 3Kg, semi-reinforcing carbon black 80Kg, teflon 60Kg.
Material embodiment seven
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 40Kg, zine oxide 3Kg, sulphur 1Kg, N-cyclohexyl-2-benzothiazole sulfonamide 1Kg, nickel dibutyl dithiocarbamate 1Kg, C18 saturated fatty acid 1Kg, semi-reinforcing carbon black 60Kg, graphite 20Kg.
Material embodiment eight
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 70Kg, zine oxide 5Kg, sulphur 2Kg, N-cyclohexyl-2-benzothiazole sulfonamide 2Kg, nickel dibutyl dithiocarbamate 2Kg, C18 saturated fatty acid 2Kg, semi-reinforcing carbon black 70Kg, glass fibre 40Kg.
Material embodiment nine
The material of the water lubricating rubber alloy lining of present embodiment, comprise following component by weight: nitrile rubber 100Kg, zine oxide 8Kg, sulphur 3Kg, N-cyclohexyl-2-benzothiazole sulfonamide 3Kg, nickel dibutyl dithiocarbamate 3Kg, C18 saturated fatty acid 3Kg, semi-reinforcing carbon black 80Kg, carbon fiber 60Kg.
Among the above material embodiment, embodiment two, embodiment five and embodiment eight are better formula, and by these three kinds of materials that embodiment obtains, its combination property is more being optimized aspect the tribological property of carrying and antidetonation and material than other prescription.
The contrast situation of key technology average behavior index of the present invention and prior art like product:
Experimental project The present invention The prior art like product
Bearing capacity 0.382N/mm 2 0.246N/mm 2
Operating rate 0.025-40m/s 0.04-40m/s
Friction factor 0.008-0.015 0.0015-0.025
Amount of deflection 0.0925-0.1023mm 0.1139-0.1248mm
Compressive strength 238N/mm 2 208N/mm 2
Tensile strength 54N/mm 2 49N/mm 2
External diameter shrinks 0.0508-0.0635mm 0.0569-0.0645mm
Volume Changes Less than 1% Less than 2.3%
Operating temperature -20-86℃ -20-80℃
Working life 18500h 12500h
Last table has comprised that cost of the present invention only is 1/10～1/4 of an external like product with external like product contrast, and its combination property is in the leading level in the world, has very strong competitive ability in the international market.In the preparation and the moulding of the tribological property optimization of material, material, mould-important breakthrough and important innovations are arranged aspect the key technologies such as structural design of elastic hydrodynamic lubrication and motive sealing system.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (10)

1. water lubricating rubber alloy bearing, comprise water lubricating rubber alloy lining (2) and bearing outer ring (1), described water lubricating rubber alloy lining (2) is bonded in the inner circumference of bearing outer ring by molded vulcanization, it is characterized in that: be following corresponding relation between the radial thickness m of water lubricating rubber alloy lining (2) and water lubricating rubber alloy lining (2) inner diameter d, wherein thickness size unit is a millimeter:
Metric unit, d unit is a millimeter: 15≤d＜30,4≤m≤5; 30≤d＜55,6≤m≤7; 55≤d＜80,8≤m≤9; 80≤d＜105,9≤m≤11; 105≤d＜135,11≤m≤12; 135≤d＜180,12≤m≤14; 180≤d＜210,14≤m≤15; 210≤d＜296,16≤m≤17; 296≤d＜340,16≤m≤18; 340≤d＜380,17≤m≤19; 380≤d＜400,18≤m≤20; 400≤d＜500,19≤m≤23; 500≤d≤550,23≤m≤25;
English unit, d unit are inch: 3 4 &le; d &le; 7 8 , 4≤m≤5； 7 8 < d &le; 1 , 6≤m≤7； 1 < d &le; 1 1 4 8≤m≤9； 1 1 4 < d &le; 3 5 8 , 9≤m≤11； 3 5 8 < d &le; 4 7 8 , 11≤m≤13； 4 7 8 < d &le; 6 1 2 , 12≤m≤14； 6 1 2 < d &le; 6 5 8 , 11≤m≤13； 6 5 8 < d &le; 7 3 8 , 14≤m≤16； 7 3 8 < d &le; 10 7 8 , 15≤m≤17； 10 7 8 < d &le; 11 7 8 , 17≤m≤19； 11 7 8 < d &le; 12 5 8 , 19≤m≤21； 12 5 8 < d &le; 13 7 8 , 20≤m≤22； 13 7 8 < d &le; 15 , 21≤m≤23。
2. water lubricating rubber alloy bearing according to claim 1 is characterized in that: the axial length L of water lubricating rubber alloy bearing is 2-4 a times of water lubricating rubber alloy lining (2) inner diameter d;
The outside dimension D of water lubricating rubber alloy bearing is:
Metric unit, d and m unit are millimeter: d+8m/3≤D≤d+8m;
English unit, d unit are inch, and m unit is a millimeter: d+2.3m/25.4≤D≤d+8m/25.4.
3. water lubricating rubber alloy bearing according to claim 2 is characterized in that: described water lubricating rubber alloy lining (2) axially is provided with the water channel groove (3) that cross section is a circular arc, and described water channel groove (3) is along the circumferential direction uniform; Water lubricating rubber alloy lining (2) inner surface axial between the adjacent water channel groove (3) is provided with circular arc shallow slot (4), passes through the tangent rounding off of arc surface (5) between described circular arc shallow slot (4) and the water channel groove (3).
4. water lubricating rubber alloy bearing according to claim 3 is characterized in that: d/2≤circular arc shallow slot radius≤d/2+0.5, and d/16.6≤arc surface radius≤(d/2+0.5)/1.4; D/28≤water channel groove radius≤(d/2+0.5)/2.3.
5. water lubricating rubber alloy bearing according to claim 4 is characterized in that: described water lubricating rubber alloy bearing is a flange-type, and the diameter dimension of described flange is 1.2d≤flange plate diameter dimension≤3.2d; The flange plate axial thickness is of a size of:
Metric unit, d and m unit are millimeter: 1.3m≤flange thickness≤2.3m,
English unit, d unit are inch, and m unit is a millimeter: m/25.4≤flange thickness≤1.9m/25.4.
6. according to the described water lubricating rubber alloy bearing of the arbitrary claim of claim 1 to 5, it is characterized in that: the material of water lubricating rubber alloy lining comprises following component by weight: nitrile rubber 40～100, zine oxide 3～8, sulphur 1～3, promoter 1～3, age resister 1～3, fatty acid 1～3, semi-reinforcing carbon black 60～80, bulking agent 20～60.
7. water lubricating rubber alloy bearing according to claim 6 is characterized in that: the material of described water lubricating rubber alloy lining comprises following component by weight: nitrile rubber 70, zine oxide 5, sulphur 2, promoter 2, age resister 2, fatty acid 2, semi-reinforcing carbon black 70, bulking agent 40.
8. water lubricating rubber alloy bearing according to claim 7, it is characterized in that: described promoter is N-cyclohexyl-2-benzothiazole sulfonamide, age resister is a nickel dibutyl dithiocarbamate, fatty acid is C16 or C18 saturated fatty acid, and bulking agent is molybdenum disulfide, teflon, graphite, glass fibre or carbon fiber.
9. water lubricating rubber alloy bearing according to claim 8 is characterized in that: water lubricating rubber alloy lining hardness is 60～90 shore hardnesses, and surface roughness is 1.1～1.9 μ m.
10. the manufacture method of water lubricating rubber alloy bearing according to claim 9 is characterized in that: the water lubricating rubber alloy lining is that the material by the water lubricating rubber alloy lining is shaped by molded vulcanization; The sulfide stress that the material molded vulcanization is shaped is 10～25MPa, and sulfurize temperature is that 110 ~ 180 ℃, cure time are 30～80min.
CN2008100700893A 2008-08-06 2008-08-06 Water lubrication rubber alloy bearing Expired - Fee Related CN101334069B (en)

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CN102322482A (en) * 2011-09-19 2012-01-18 重庆大学 Water lubricating rubber alloy bearing capable of bearing axial loads
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