CN102876431A - Railway wheel-flange wheel-rail flame retardant degradation solid lubricating rod and preparation method thereof - Google Patents
Railway wheel-flange wheel-rail flame retardant degradation solid lubricating rod and preparation method thereof Download PDFInfo
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- CN102876431A CN102876431A CN2011101977725A CN201110197772A CN102876431A CN 102876431 A CN102876431 A CN 102876431A CN 2011101977725 A CN2011101977725 A CN 2011101977725A CN 201110197772 A CN201110197772 A CN 201110197772A CN 102876431 A CN102876431 A CN 102876431A
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Abstract
The invention relates to a railway wheel-flange wheel-rail flame retardant degradation solid lubricating rod and a preparation method thereof. Existing solid lubricating rods have the defects of difficult formation of a lubricating transfer film, easy occurance of environmental pollution and fires. The solid lubricating rod provided in the invention is prepared from the following components by weight: 20-30 parts of ethylene-vinyl acetate resin, 20-30 parts of graphite, 2-10 parts of molybdenum disulfide, 1-3 parts of paraffin, 0.5-3 parts of modified vegetable oil, and 5-10 parts of a flame retardant. The preparation method of the lubricating rod consists of: weighing all the raw materials; then mixing them uniformly to obtain a mixture; subjecting the mixture to granulation in an extruder, carrying out preplasticizing and uniform mixing; and finally adding the granules into an extruder to conduct extrusion molding, then performing water cooling and shaping, thus obtaining a product. The solid lubricating rod provided in the invention has the advantages of small friction coefficient, wear resistance and extreme-pressure properties, and easy formation of a lubricating transfer film with strong adhesion. And the transfer film has the characteristics of degradability, flame retardance and the like.
Description
Technical field
The present invention relates to lubricating rod and preparation method thereof, specifically fire-retardant degradable solid lubricating rod of railway wheel rim wheel track and preparation method thereof.
Background technology
There are following several common shortcomings in the wheel drive track solid lubricant that domestic manufacturer produces: difficultly on the steel wheel edge in the solid lubrication stick short period of time form lubricated transfer film, formed lubricant film poor adhesion easily comes off, can not further transfer to and form secondary transferring on the rail, the lubricated transfer film easy contaminate environment of can not degrading, solid lubrication stick is flammable, easily initiation fire hidden danger.Solid lubrication stick can not reduce the friction and wear between wheel rim and wheel track well, can not effectively reduce noise.
Summary of the invention
The technical issues that need to address of the present invention are exactly to overcome the defective that prior art exists, and provide that a kind of frictional coefficient is little, the lubricated transfer film strong adhesion of extreme-pressure anti-wear, formation, degradable, fire-retardant fire-retardant degradable solid lubricating rod of railway wheel rim wheel track and preparation method thereof.
For this reason, the invention provides following technical scheme: the fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is characterized in that: it is prepared from by ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 20-30 part, graphite 20-30 part, molybdenumdisulphide 2-10 part, paraffin 1-3 part, modified vegetable oil 0.5-3 part, fire retardant 5-10 part;
The preparation method of the fire-retardant degradable solid lubricating rod of described railway wheel rim wheel track is: it comprises the steps:
A, weighing and burden: be by the shared parts by weight of each component: ethylene-vinyl acetate resin is 20-30 part, graphite 20-30 part, molybdenumdisulphide 2-10 part, paraffin 1-3 part, modified vegetable oil 0.5-2 part, fire retardant 5-10 part;
B, batching are mixed: add graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant at ethylene-vinyl acetate resin, mix, obtain compound;
C, granulation: with the granulation in forcing machine of the resulting compound of step 2, preplasticizing mixes; Prilling temperature 80-130 ℃;
D, moulding: pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing.
The present invention has following beneficial effect: the present invention adopts ethylene-vinyl acetate resin to add graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, its prepared solid lubrication stick is installed in the special device, in the situation of wheel rim of locomotive High speed wheel rail running, on wheel rim, constantly form lubricated transfer film, transfer film adheres to well, frictional coefficient is low, through wheel rim wheel track Contact, friction, this lubricant film is transferred to again on the track, formed secondary transferring and constantly additional at short notice.This solid lubrication stick has flame retardant resistance, lubricant film has the advantage of degradability, can guarantee the requirement of safety of railway traffic, energy-conservation, noise reduction, environmental protection, avoids with grease lubrication the pollution of railway periphery and the accident that may cause.
Be 1.2m/s in friction velocity, load is under the 20N, and frictional coefficient of the present invention is 0.10-0.35, and wear rate is 0.0004-0.0293; Compressive strength 3.2-8Mpa; Flexural strength 4.14-8.8Mpa; Density 1.5-1.6g/ ㎝ 3, use temperature scope-80-100 ° C; Vertical combustion V-0 level, oxygen index〉28.Compared with prior art, frictional coefficient is little, and wear rate is low, and is fire-retardant, easily forms lubricated transfer film and this film degradable.
Four, description of drawings
Slightly.
Five, embodiment
The below exemplifies the specific embodiment of the present invention, and the present invention will be further described:
Embodiment 1:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 20 parts, 30 parts in graphite, 10 parts of molybdenumdisulphide, 2 parts in paraffin, 2.0 parts of modified vegetable oils, 10 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.141, and wear rate is 0.0074; Compressive strength 1.22Mpa, flexural strength 1.45Mpa; Density 1.848g/ ㎝ 3, use temperature scope-60-80 ° C; Testing vertical flammability V-0.
Embodiment 2:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 25 parts, 25 parts in graphite, molybdenumdisulphide 6,2.5 parts in paraffin, 1.5 parts of modified vegetable oils, 6 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.267, and wear rate is 0.0236; Compressive strength 2.23Mpa, flexural strength 4.53Mpa; Density 1.58g/ ㎝ 3, use temperature scope-60-80 ° C; Testing vertical flammability V-0.
Embodiment 3:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 30 parts, 20 parts in graphite, 10 parts of molybdenumdisulphide, 2 parts in paraffin, 1.5 parts of modified vegetable oils, 5 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.355, and wear rate is 0.0293; Compressive strength 3.13Mpa, flexural strength 4.64Mpa; Density 1.53g/ ㎝ 3, use temperature scope-60-80 ° C; Testing vertical flammability FV-1.
Embodiment 4:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 30 parts, 30 parts in graphite, 10 parts of molybdenumdisulphide, 2 parts in paraffin, 1.5 parts of modified vegetable oils, 10 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.308, and wear rate is 0.0004; Compressive strength 3.42Mpa, flexural strength 4.14Mpa; Density 1.536g/ ㎝ 3, use temperature scope-60-80 ° C; Testing vertical flammability FV-0.
Embodiment 5:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 20 parts, 30 parts in graphite, 10 parts of molybdenumdisulphide, 2.0 parts in paraffin, 1.0 parts of modified vegetable oils, 10 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.239, and wear rate is 0.0561; Compressive strength 3.59Mpa, flexural strength 3.83Mpa; Density 1.601g/ ㎝ 3, use temperature scope-60-80 ° C; Testing vertical flammability V-0.
Embodiment 6:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 24 parts, 27 parts in graphite, 7 parts of molybdenumdisulphide, 1.5 parts in paraffin, 1.5 parts of modified vegetable oils, 8 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.251, and wear rate is 0.0107; Compressive strength 4.83Mpa, flexural strength 3.54Mpa; Density 1.584g/ ㎝ 3, use temperature scope-60-80 ° C; Testing vertical flammability V-0.
Embodiment 7:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 26 parts, 28 parts in graphite, 8 parts of molybdenumdisulphide, 2.5 parts in paraffin, 2 parts of modified vegetable oils, 5 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.275, and wear rate is 0.0062; Compressive strength 4.07Mpa, flexural strength 1.45Mpa; Density 1.672g/ ㎝ 3, use temperature scope-80-100 ° C; Testing vertical flammability V-0.
Embodiment 8:
The fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is prepared from by comprising ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 25 parts, 25 parts in graphite, 5 parts of molybdenumdisulphide, 1.5 parts in paraffin, 1.0 parts of modified vegetable oils, 6.0 parts of fire retardants.
The preparation method is: take by weighing various raw materials, mix, obtain compound; Compound is granulation in forcing machine, and preplasticizing mixes; Prilling temperature 80-130 ℃; Pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing gets product.
The railway wheel rim wheel track solid lubrication stick of preparation at load 20N, carries out friction-wear test under the friction velocity 1.2m/s, frictional coefficient is 0.266, and wear rate is 0.0055; Compressive strength 5.38Mpa, flexural strength 8.84Mpa; Density 1.523g/ ㎝ 3, use temperature scope-80-100 ° C; Testing vertical flammability V-0.
The present invention includes and non-ly only limit to above embodiment.
Claims (2)
1. the fire-retardant degradable solid lubricating rod of railway wheel rim wheel track, it is characterized in that: it is prepared from by ethylene-vinyl acetate resin, graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant, and the shared parts by weight of each component are: ethylene-vinyl acetate resin is 20-30 part, graphite 20-30 part, molybdenumdisulphide 2-10 part, paraffin 1-3 part, modified vegetable oil 0.5-3 part, fire retardant 5-10 part.
2. the preparation method of the fire-retardant degradable solid lubricating rod of railway wheel rim wheel track according to claim 1, it is characterized in that: the preparation method of described solid lubrication stick comprises the steps:
A, weighing and burden: be by the shared parts by weight of each component: ethylene-vinyl acetate resin is 20-30 part, graphite 20-30 part, molybdenumdisulphide 2-10 part, paraffin 1-3 part, modified vegetable oil 0.5-2 part, fire retardant 5-10 part;
B, batching are mixed: add graphite, molybdenumdisulphide, paraffin, modified vegetable oil, fire retardant in ethylene-vinyl acetate resin, mix, obtain compound;
C, granulation: with the granulation in forcing machine of the resulting compound of step 2, preplasticizing mixes; Prilling temperature 80-130 ℃;
D, moulding: pellet is added forcing machine carry out extrusion moulding, mold temperature 120-160 ℃, the water cooling typing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101977725A CN102876431A (en) | 2011-07-15 | 2011-07-15 | Railway wheel-flange wheel-rail flame retardant degradation solid lubricating rod and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101977725A CN102876431A (en) | 2011-07-15 | 2011-07-15 | Railway wheel-flange wheel-rail flame retardant degradation solid lubricating rod and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401355A (en) * | 2014-11-21 | 2015-03-11 | 成都蜀中铁道科技投资有限公司 | Railway locomotive wheel rail solid lubricating block and preparation method thereof |
| CN104450103A (en) * | 2014-12-29 | 2015-03-25 | 成都森发橡塑有限公司 | Locomotive rim solid lubricant and preparation method thereof |
| CN106281619A (en) * | 2016-08-16 | 2017-01-04 | 浙江宝晟铁路新材料科技有限公司 | A kind of gauge face sweat gland type solid lubrication stick, its preparation method and clamping device thereof |
| CN106701275A (en) * | 2016-12-08 | 2017-05-24 | 高天峰 | Railway vehicle wheel flange lubrication dry-type continuous lubricating rod |
| CN107446660A (en) * | 2017-07-24 | 2017-12-08 | 浙江宝晟铁路新材料科技有限公司 | A kind of Pioloform, polyvinyl acetal base kollag and preparation method thereof |
| CN108251189A (en) * | 2018-01-09 | 2018-07-06 | 浙江宝晟铁路新材料科技有限公司 | A kind of flame-retardant system lubrication solid composite and its methods for making and using same |
| CN109054928A (en) * | 2018-08-08 | 2018-12-21 | 苏州纳诺托邦新材料科技有限公司 | For the nano lubricating antifriction material and preparation method in wheel track |
| CN112877114A (en) * | 2020-12-31 | 2021-06-01 | 江苏全顺轨道交通装备科技有限公司 | Preparation method of low-noise degradable composite solid rail edge lubricating rod |
Citations (2)
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| CN1032549A (en) * | 1987-10-10 | 1989-04-26 | 中国科学院兰州化学物理研究所 | Lubricant film forming paste for railway track and wheel hub |
| CN1389551A (en) * | 2002-07-25 | 2003-01-08 | 马敬东 | Composite additive for lubricant oil |
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- 2011-07-15 CN CN2011101977725A patent/CN102876431A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032549A (en) * | 1987-10-10 | 1989-04-26 | 中国科学院兰州化学物理研究所 | Lubricant film forming paste for railway track and wheel hub |
| CN1389551A (en) * | 2002-07-25 | 2003-01-08 | 马敬东 | Composite additive for lubricant oil |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401355A (en) * | 2014-11-21 | 2015-03-11 | 成都蜀中铁道科技投资有限公司 | Railway locomotive wheel rail solid lubricating block and preparation method thereof |
| CN104450103A (en) * | 2014-12-29 | 2015-03-25 | 成都森发橡塑有限公司 | Locomotive rim solid lubricant and preparation method thereof |
| CN104450103B (en) * | 2014-12-29 | 2017-10-13 | 成都森发橡塑有限公司 | A kind of wheel rim of locomotive kollag and preparation method thereof |
| CN106281619A (en) * | 2016-08-16 | 2017-01-04 | 浙江宝晟铁路新材料科技有限公司 | A kind of gauge face sweat gland type solid lubrication stick, its preparation method and clamping device thereof |
| CN106281619B (en) * | 2016-08-16 | 2022-08-23 | 浙江宝晟铁路新材料科技有限公司 | Rail distance surface sweat gland type solid lubricating rod, preparation method thereof and clamping device thereof |
| CN106701275A (en) * | 2016-12-08 | 2017-05-24 | 高天峰 | Railway vehicle wheel flange lubrication dry-type continuous lubricating rod |
| CN107446660A (en) * | 2017-07-24 | 2017-12-08 | 浙江宝晟铁路新材料科技有限公司 | A kind of Pioloform, polyvinyl acetal base kollag and preparation method thereof |
| CN108251189A (en) * | 2018-01-09 | 2018-07-06 | 浙江宝晟铁路新材料科技有限公司 | A kind of flame-retardant system lubrication solid composite and its methods for making and using same |
| CN109054928A (en) * | 2018-08-08 | 2018-12-21 | 苏州纳诺托邦新材料科技有限公司 | For the nano lubricating antifriction material and preparation method in wheel track |
| CN112877114A (en) * | 2020-12-31 | 2021-06-01 | 江苏全顺轨道交通装备科技有限公司 | Preparation method of low-noise degradable composite solid rail edge lubricating rod |
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Application publication date: 20130116 |