CN1663998A - Rubber bearing pad under rail concrete elastic sleeper and method for making same - Google Patents
Rubber bearing pad under rail concrete elastic sleeper and method for making same Download PDFInfo
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- CN1663998A CN1663998A CN 200510020475 CN200510020475A CN1663998A CN 1663998 A CN1663998 A CN 1663998A CN 200510020475 CN200510020475 CN 200510020475 CN 200510020475 A CN200510020475 A CN 200510020475A CN 1663998 A CN1663998 A CN 1663998A
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Abstract
The invention discloses a rubber bearing pad under rail concrete elastic sleeper and method for making, which comprises the following three constituents (by weight ratio), EPT rubber 100, sulfur 0.5-2.5, zinc oxide 2-8, accelerating agent TMTD 0.8-1.3, accelerating agent M 0.3-0.7, stearic acid 0.8-1.3, anti-aging agent A 0.3-0.7, anti-aging agent 4010NA 0.8-1.3, high wear-resisting furnace black N330 50-55, half reinforcement carbon black N754 20-30, mineral wax 0.5-1.5, naphthenic oil 5-15. The invention also discloses its preparing process.
Description
Affiliated field
The present invention relates to a kind of rubber bearing pad under rail concrete elastic sleeper and preparation method thereof.
Background technology
There is the slag track under secular bullet train load acts on repeatedly, to reach the limit of supporting capacity, show that ballast bed destruction constantly aggravates, available is fewer and feweri servicing time, and it is far from being enough relaxing the effect of High-speed Wheel dynamic impact by low rigidity rubber pad placed under-neath rail.
Summary of the invention
Purpose of the present invention promptly is to overcome the shortcoming of prior art, a kind of rubber bearing pad under rail concrete elastic sleeper and preparation method thereof is provided, it makes the slag track that has on the rigid concrete bases such as viaduct reduce its orbit rigidity, improve track elasticity, relax the train shock action, alleviate ballast bed vibration, reduce the ballast aggregate efflorescence, alleviate the maintenance manipulation amount and reduce track vibration, noise etc.
Purpose of the present invention is achieved through the following technical solutions: rubber bearing pad under rail concrete elastic sleeper, and it is made up of the component of following weight parts:
Terpolymer EP rubber 100
Sulphur 0.5～2.5
Zinc oxide 2～8
TM monex TD 0.8～1.3
Captax 0.3～0.7
Stearic acid 0.8～1.3
Antioxidant A 0.3～0.7
Antioxidant 4010NA 0.8～1.3
High abrasion furnace black(HAF) N330 50～55
Semi-reinforcing hydrocarbon black N754 20～30
Paraffin 0.5～1.5
Naphthenic oil 5～15
The making method of rubber bearing pad under rail concrete elastic sleeper, according to the following steps:
(1) each component takes by weighing stand-by by above weight ratio;
(2) plasticate, mixing, feeding sequence is as follows: rubber, pressurization was plasticated 2 minutes, open feeding door and drop into carbon black, middle small powder, except the sulphur, the disposable whole inputs of all Synergist S-421 95s, the slice cooling is parked then;
(3) refining adds sulphur;
(4) heat refining and sanction piece, fixed consumption;
(5) sulfuration process.
By top narration as can be seen, the present invention has the following advantages: terpolymer EP rubber (EPDM) is that ozone resistance is best in all rubber, ageing-resistant performance is very excellent, anti-weather is good, electrical insulation capability is good, especially corona-resistance property is very outstanding, resistance to chemical attack, and shock elasticity is better.Final selection terpolymer EP rubber is the rubber bearing main component.Adding has reinforcement and closes the carbon black of half strengthening action, potter's clay, lime carbonate as filler, to improve the performance of rubber bearing, the elastic sleeper that the quiet ratio of rigidity of rubber bearing of the present invention is used at present is more reasonable with rubber bearing, and superpositional serial rigidity is almost consistent with sleeper.
Through optimization of C, make the physical and mechanical properties of rubber bearing reach following requirement:
| Project | Unit | Physical and mechanical properties | |
| Hardness | ????° | ????75～85 | |
| Quiet rigidity | ????MN/m | ????40～60 | |
| Tensile strength at yield | ????Mpa | ????≥6 | |
| Tensile yield | ????％ | ????≥150 | |
| Room temperature 24h compression set | ????％ | ????≤25 | |
| Tear strength | ????N/cm | ????≥250 | |
| Anti-rib | Outward appearance | ????- | There is not be full of cracks |
| The degree of depth | ????mm | ????≤4 | |
| Thermotolerance | Tensile strength at yield | ????Mpa | ????≥4.5 |
| Tensile yield | ????％ | ????≥100 | |
| Water tolerance | Tensile strength at yield | ????Mpa | ????≥4.5 |
| Tensile yield | ????％ | ????≥100 | |
| Alkali resistance | Tensile strength at yield | ????Mpa | ????≥4.5 |
| Tensile yield | ????％ | ????≥100 | |
| Resistance to fatigue | Outward appearance | ????- | Do not have and tear, do not have and peel off |
| Residual pressure falls into amount | ????mm | ????≤4 | |
Embodiment
The present invention will be further described below by embodiment:
Embodiment 1: rubber bearing pad under rail concrete elastic sleeper, and it is made up of the component of following weight parts:
Terpolymer EP rubber 100
Sulphur 0.5
Zinc oxide 2
TM monex TD 0.8
Captax 0.3
Stearic acid 0.8
Antioxidant A 0.3
Antioxidant 4010NA 0.8
High abrasion furnace black(HAF) N330 50
Semi-reinforcing hydrocarbon black N754 20
Paraffin 0.5
Naphthenic oil 5
The making method of rubber bearing pad under rail concrete elastic sleeper, according to the following steps:
(1) each component takes by weighing stand-by by above weight ratio: press the accurate weighing of production formula, the carbon black of cooperation and paraffin oil should be corresponding supporting;
(2) plasticate, mixing:
A, plasticate, mixing
1. the product sizing material plasticate at X (S) N-55/30 type rubber and plastic Banbury mixer, mixing.
2. at first start main frame running 2-3 minute, whether each position running of inspection machine is normal.As normally then carrying out preheating, banburying chamber's temperature reaches can be opened feeding door in the 75-80 ℃ of scope and feed intake, and starts air compressor simultaneously.
3. feeding sequence is as follows: rubber (pressurization was plasticated 2 minutes) is opened feeding door and is dropped into carbon black, the disposable whole inputs of all Synergist S-421 95s of middle small powder (except the sulphur).
4. it is mixing to pressurize: the blast when mixing should be controlled at 0.5-0.7Mpa, insufficient pressure, and floating weight can be floated by sizing material jack-up when mixing, can not get mixingly comprehensively, floating weight pressure increases, and helps the dispersion of Synergist S-421 95, shorten mixing time, and the bulk cargo phenomenon that takes place can prevent discharge the time.
5. when the adding pulvis was mixing, floating weight slowly put down, and during to extreme lower position, mentions certain altitude again and puts down fully then, fill up pressure,, can cause pulvis to fly upward if it is too fast to pressurize, even the material that floating weight is extruded blocks, and so also makes the pulvis conglomeration easily, is difficult to disperse.
6. melting temperature and current value: melting temperature hangs down the rubber viscosity height, be unfavorable for rubber moistening to Synergist S-421 95, but temperature height, compound viscosity is low, shearing force is little, be unfavorable for the dispersion of Synergist S-421 95, thus when mixing, should note the adjusting of water coolant, with the temperature of control banburying chamber, general temperature range should be controlled between 100-130 ℃, under the prerequisite that guarantees temperature, current value also is of equal importance, and current value is best results when the 90-130A electric current, there be not pressure, when electric current rises less than specified current value, equal the idling running, so electric current is defined between the 90-130A.
7. discharge: mixing finishing, carry out discharge, answer the visual observations melting effect during discharge, disperse as sizing material, be not attached to one, be defective, need return and carry out once more mixingly, become block up to kneading, it is qualified not having pulvis.
8. mixing time: the different proportionings according to sizing material should shorten mixing time as far as possible, and the sizing material kneading time of rubber mat panel products should be controlled at 10 ± 1 minutes.
9. before feeding intake, should check former, whether auxiliary material complete, carries out the weight check, guarantees accuracy former, auxiliary material weight.
10. the car that connects material during discharge, do not allow any impurity in the car and exist, the sizing material between car and the car does not allow to obscure, the different sizing material of product more do not allow to obscure or the identical sizing material of product not square one can not disorderly draw and leave about, every roller sizing material should have with the car card, the circulation next procedure.
B, slice cooling are parked
1. slice is carried out slice with 450mm * 1200mm opening rubber mixing machine.
2. preheating roller tube before the start, claimed range 30-35 ℃ of productions of just can starting shooting, start preceding when zero load the running of inspection machine whether normal.
3. can slice when wrapping roller and do not have hole after feeding intake, it is thick that roll spacing remains on 6mm-8mm, while feeding intake under sheet, beginning to the sheet down that feeds intake finishes and is no more than 8 minutes, following sheet specification: long 1m, wide 400mm.
4. after descending sheet, rest the purpose that reaches cooling in the cold rinse bank, but can not cooling time long, pull out at any time and ride on the cool glue frame, so that evaporative cooling.
5. the glue on the cool glue frame must wait and evaporate moisture and stack, and every rubber roll carries out weighing before stacking, and rests after the weighing accurately and stops on the Jiao Dun, forbids moisture just not dry and stacks, in order to avoid influence quality product.
6. in rolling the refining process, too high because of the sizing material temperature, open water coolant at any time and lower the temperature to roller.
(3) refining adds sulphur:
A, refining:
1. sizing material carries out refining at 450mm * 1200mm opening rubber mixing machine and adds sulphur.
2. cool off the sizing material of airing through parking and can carry out refining and add sulphur, refining is carried out weighing by roller before adding sulphur, rolls refining again after the weighing accurately.
3. the preheating roller tube of starting shooting reaches 35-40 ℃, and machine run normally can be produced.
A. adjust roll spacing 6mm-7mm, by big gear wheel one side, the monolithic input makes sizing material bag roller.
B. the input of sizing material, surplus glue is gradually many, cut surplus glue and add sulphur, whole process is as follows: 50 ± 5 ℃ of roller temperature, roll spacing 4-6mm drops into film, dispersive adds the quiet commentaries on classics of vulcanizing agent 2 minutes behind bag is smash glue 2 times behind the roller (or clot 2 times) bag roller, clears away and eats up, rule 2 times (rule will be finished the perpendicular roller of coming to drop into).
Adjust about roll spacing 1mm, 3 angles bags, 3 times thin-pass rules (perpendicular come to drop into roller) also can the triangle bag and the thin-pass rule hocket.
Adjust roll spacing 4-6mm and smash glue one time, carried out slice 30 ± 2 minutes according to the requirement of used thickness.
Park cool glue frame examined later in 4 hours soon.
C. the slice cold is in stopping on the glue frame as requested, and airing stacks to put and stops on the glue frame, and storage period 4-24 hour, in order to fast inspection.
B, fast inspection
1. the sizing material of fast inspection is for pursuing roller.
2. film was parked 4 hours after the inspection personnel took a sample soon, by the cure conditions sulfuration test piece to the product regulation, generally need carry out every test again through parking, and the test piece that vulcanizates when emergency situation is tested soak half an hour in cold water after.
3. the backing plate cure conditions is 160 ℃ * 15 minutes.
4. examine project soon
| Project | Standard | Explanation |
| Plasticity number | Backing plate | This is the banburying measured value |
| Proportion g/cm 3 | ????1.05±0.03 | This is the banburying measured value |
| Tensile strength at yield Mpa | ????≥6 | Below 3 be fast inspection rerum natura |
| Tensile yield % | ????150 | |
| Hardness Shao A | ????75-85 |
(4) heat refining and sanction piece, fixed consumption:
A, heat refining:
1. examine the underproof film of result soon and no longer carry out heat refining.
2. heat refining carries out at 450mm * 1200mm opening rubber mixing machine.
3. these return glue and on average add to add limit that operation down returns, angle, piece, sheet during heat refining, but maximum must not surpass 5kg, moisture and the thorough eliminating of other impurity totally can must be added before the adding.
4. the roll spacing during heat refining is adjusted between 2-7mm, and soak time is no more than 8 minutes one rollers, and the roller of gum stock is necessarily distinguished, and does not allow confusion.
B, sanction piece consume surely:
1. after the film that heat refining is good was parked 4 hours, cut out and cut use, sanction is cut way and is cut with artificial cutter.
2. qualified film cuts, without exception according to vertical cutting.
3. the film with well cutting carries out weighing, counter scale is proofreaded before the weighing, and it is unequal that backing plate weight 2900-3000 gram, backing plate 8 molds, the sizing material of every cover are gone into the weight of mould, guarantees the accuracy of mould.
(5) sulfuration process:
1. backing plate adopts the full-automatic vulcanizer of 1000mm * 800mm.
2. cure conditions: 160 ℃ of temperature, pressure 15Mpa, 900 seconds time.
3. load weighted film is put into die cavity, must not be crooked, automatic deflation 2 times, 10Mpa once, 15Mpa once, automatically about 5 seconds sulks time, venting is initial vulcanization step the key link.
4. sulfuration is finished, and slowly prizes down with bamboo chip, forbids with the ironware sled, in order to avoid damage goods, after every moulded product is taken out, dabs a lower mode cavity working face with the cloth that is added with machinery oil, forbids to leave the vestige of oil, can clean with mould is easy clean when mold fouling is serious.
5. after the backing plate depanning, in time overlap is pruned away, forbid hand to tear, in order to avoid damage working face with scissors.
Embodiment 2: rubber bearing pad under rail concrete elastic sleeper, and it is made up of the component of following weight parts:
Terpolymer EP rubber 100
Sulphur 2.5
Zinc oxide 8
TM monex TD 1.3
Captax 0.7
Stearic acid 1.3
Antioxidant A 0.7
Antioxidant 4010NA 1.3
High abrasion furnace black(HAF) N330 55
Semi-reinforcing hydrocarbon black N754 30
Paraffin 1.5
Naphthenic oil 15
The making method of rubber bearing pad under rail concrete elastic sleeper is identical with embodiment 1.
Embodiment 3: rubber bearing pad under rail concrete elastic sleeper, and it is made up of the component of following weight parts:
Terpolymer EP rubber 100
Sulphur 1
Zinc oxide 6
TM monex TD 1.1
Captax 0.5
Stearic acid 1.2
Antioxidant A 0.6
Antioxidant 4010NA 0.9
High abrasion furnace black(HAF) N330 52
Semi-reinforcing hydrocarbon black N754 25
Paraffin 1
Naphthenic oil 10
The making method of rubber bearing pad under rail concrete elastic sleeper is identical with embodiment 1.
Claims (6)
1, rubber bearing pad under rail concrete elastic sleeper is characterized in that: it is made up of the component of following weight parts:
Terpolymer EP rubber 100
Sulphur 0.5～2.5
Zinc oxide 2～8
TM monex TD 0.8～1.3
Captax 0.3～0.7
Stearic acid 0.8～1.3
Antioxidant A 0.3～0.7
Antioxidant 4010NA 0.8～1.3
High abrasion furnace black(HAF) N330 50～55
Semi-reinforcing hydrocarbon black N754 20～30
Paraffin 0.5～1.5
Naphthenic oil 5～15
2, the making method of rubber bearing pad under rail concrete elastic sleeper, according to the following steps:
(1) each component takes by weighing stand-by by above weight ratio;
(2) plasticate, mixing, feeding sequence is as follows: rubber, pressurization was plasticated 2 minutes, open feeding door and drop into carbon black, middle small powder, except the sulphur, the disposable whole inputs of all Synergist S-421 95s, the slice cooling is parked then;
(3) refining adds sulphur;
(4) heat refining and sanction piece, fixed consumption;
(5) sulfuration process.
3, the making method of rubber bearing pad under rail concrete elastic sleeper according to claim 2, it is characterized in that: plasticate, preheating rubber and plastic chamber body of mixer temperature reaches 75-80 ℃ and begins to feed intake again when mixing, blast when mixing should be controlled at 0.5-0.7Mpa, temperature range should be controlled between 100-130 ℃, electric current is defined between the 90-130A, and mixing time was controlled at 10 ± 1 minutes; Slice is carried out slice with opening rubber mixing machine, and preheating roller tube is to 30-35 ℃ before the start, and it is thick that roll spacing remains on 6mm-8mm, while feeding intake under sheet, beginning to the sheet down that feeds intake finishes and is no more than 8 minutes, following sheet specification is long 1m, wide 400mm.
4, the making method of rubber bearing pad under rail concrete elastic sleeper according to claim 2, it is characterized in that: refining adds sulphur to be carried out at opening rubber mixing machine, and preheating roller tube is adjusted roll spacing 6mm-7mm to 35-40 ℃ before the start, 50 ± 5 ℃ of roller temperature, roll spacing 4-6mm drops into film.
5, the making method of rubber bearing pad under rail concrete elastic sleeper according to claim 2 is characterized in that: the roll spacing during heat refining is adjusted between 2-7mm, and soak time is no more than 8 minutes one rollers.
6, the making method of rubber bearing pad under rail concrete elastic sleeper according to claim 2 is characterized in that: cure conditions is 160 ℃ of temperature, pressure 15Mpa, 900 seconds time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510020475 CN1663998A (en) | 2005-03-08 | 2005-03-08 | Rubber bearing pad under rail concrete elastic sleeper and method for making same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510020475 CN1663998A (en) | 2005-03-08 | 2005-03-08 | Rubber bearing pad under rail concrete elastic sleeper and method for making same |
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| CN101230248B (en) * | 2008-01-04 | 2010-06-16 | 丹阳市万奔汽车配件有限公司 | Sealing strip using EPDM rubber as host material and production method thereof |
| CN102002192A (en) * | 2010-11-01 | 2011-04-06 | 河北华虹工程材料有限公司 | Engineering rubber material with antibacterial and mildew-proof performance and preparation process thereof |
| CN102010533A (en) * | 2010-11-29 | 2011-04-13 | 江苏兴华胶带股份有限公司 | Method for preparing cellular structure rubber elastomer |
| CN101638494B (en) * | 2008-07-28 | 2012-01-25 | 比亚迪股份有限公司 | Ethylene propylene diene rubber material |
| CN101550254B (en) * | 2009-05-08 | 2012-10-03 | 尤建义 | Preparation technique of high temperature resistant, anti-corona high-resistance ethylene propylene terpolymer |
| CN103788505A (en) * | 2013-12-20 | 2014-05-14 | 柳州日高橡胶制品有限责任公司 | Sizing material of dynamic shock absorber assembly and preparation method thereof |
| CN104448441A (en) * | 2013-09-23 | 2015-03-25 | 招远市东晟橡胶制品有限公司 | Rubber base plate |
| CN104558865A (en) * | 2015-01-21 | 2015-04-29 | 山东美晨科技股份有限公司 | Low-hardness ethylene propylene diene monomer rubber composition for glue injection technology |
| CN105174848A (en) * | 2015-09-24 | 2015-12-23 | 北京大陆益通环保科技有限公司 | Rubber concrete material and composite board manufactured from same and board technology |
| CN107200935A (en) * | 2017-06-13 | 2017-09-26 | 杭州哈楠业汽车配件有限公司 | Sealing ring and preparation method thereof |
| CN107973946A (en) * | 2017-12-26 | 2018-05-01 | 苏州贝尔纳德铁路设备有限公司 | A kind of rail tie plate and preparation method thereof |
| CN113427860A (en) * | 2021-07-02 | 2021-09-24 | 盐城市泰达橡塑制品有限公司 | Rubber tie plate under sleeper and preparation process thereof |
| WO2022170763A1 (en) * | 2021-02-10 | 2022-08-18 | 浙江天铁实业股份有限公司 | Rubber base plate for rail transit, preparation method and rail transit road section |
| WO2022170762A1 (en) * | 2021-02-10 | 2022-08-18 | 浙江天铁实业股份有限公司 | Rubber backing plate for subway rail transit, composition thereof, and preparation method therefor |
| AT526492A1 (en) * | 2022-09-07 | 2024-03-15 | Getzner Werkstoffe Holding Gmbh | Threshold sole |
-
2005
- 2005-03-08 CN CN 200510020475 patent/CN1663998A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101230248B (en) * | 2008-01-04 | 2010-06-16 | 丹阳市万奔汽车配件有限公司 | Sealing strip using EPDM rubber as host material and production method thereof |
| CN101638494B (en) * | 2008-07-28 | 2012-01-25 | 比亚迪股份有限公司 | Ethylene propylene diene rubber material |
| CN101550254B (en) * | 2009-05-08 | 2012-10-03 | 尤建义 | Preparation technique of high temperature resistant, anti-corona high-resistance ethylene propylene terpolymer |
| CN102002192A (en) * | 2010-11-01 | 2011-04-06 | 河北华虹工程材料有限公司 | Engineering rubber material with antibacterial and mildew-proof performance and preparation process thereof |
| CN102002192B (en) * | 2010-11-01 | 2012-08-15 | 河北华虹工程材料有限公司 | Engineering rubber material with antibacterial and mildew-proof performance and preparation process thereof |
| CN102010533A (en) * | 2010-11-29 | 2011-04-13 | 江苏兴华胶带股份有限公司 | Method for preparing cellular structure rubber elastomer |
| CN104448441A (en) * | 2013-09-23 | 2015-03-25 | 招远市东晟橡胶制品有限公司 | Rubber base plate |
| CN103788505B (en) * | 2013-12-20 | 2016-06-29 | 柳州日高汽车减振技术有限责任公司 | A kind of sizing material of dynamic vibration absorber and preparation method thereof |
| CN103788505A (en) * | 2013-12-20 | 2014-05-14 | 柳州日高橡胶制品有限责任公司 | Sizing material of dynamic shock absorber assembly and preparation method thereof |
| CN104558865A (en) * | 2015-01-21 | 2015-04-29 | 山东美晨科技股份有限公司 | Low-hardness ethylene propylene diene monomer rubber composition for glue injection technology |
| CN105174848A (en) * | 2015-09-24 | 2015-12-23 | 北京大陆益通环保科技有限公司 | Rubber concrete material and composite board manufactured from same and board technology |
| CN107200935A (en) * | 2017-06-13 | 2017-09-26 | 杭州哈楠业汽车配件有限公司 | Sealing ring and preparation method thereof |
| CN107973946A (en) * | 2017-12-26 | 2018-05-01 | 苏州贝尔纳德铁路设备有限公司 | A kind of rail tie plate and preparation method thereof |
| WO2022170763A1 (en) * | 2021-02-10 | 2022-08-18 | 浙江天铁实业股份有限公司 | Rubber base plate for rail transit, preparation method and rail transit road section |
| WO2022170762A1 (en) * | 2021-02-10 | 2022-08-18 | 浙江天铁实业股份有限公司 | Rubber backing plate for subway rail transit, composition thereof, and preparation method therefor |
| CN113427860A (en) * | 2021-07-02 | 2021-09-24 | 盐城市泰达橡塑制品有限公司 | Rubber tie plate under sleeper and preparation process thereof |
| AT526492A1 (en) * | 2022-09-07 | 2024-03-15 | Getzner Werkstoffe Holding Gmbh | Threshold sole |
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