CN102070892A - Composite material sleeper and production technique thereof - Google Patents
Composite material sleeper and production technique thereof Download PDFInfo
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- CN102070892A CN102070892A CN2010105617762A CN201010561776A CN102070892A CN 102070892 A CN102070892 A CN 102070892A CN 2010105617762 A CN2010105617762 A CN 2010105617762A CN 201010561776 A CN201010561776 A CN 201010561776A CN 102070892 A CN102070892 A CN 102070892A
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Abstract
The invention discloses a composite material sleeper which is prepared from the following raw materials in parts by weight: 80-100 parts of unsaturated polyester resin, 1-2 parts of initiator, 1-2 parts of liquid mold oil, 30-50 parts of filler, 1-2 parts of viscosity breaker, 1-3 parts of assistant, and 150-200 parts of the mixture of glass fiber, glass fiber mat and glass fiber multiaxial fabric. The composite material sleeper disclosed by the invention has the following characteristics: corrosion resistance: the composite material sleeper can not be easily corroded in natural environments, and can ensure the railway to be in good precision for long time; weather resistance: after surface coating treatment, the composite material sleeper does not crack in natural environments, and the properties of the composite material sleeper can not be influenced by high temperature and low temperature operating environments; fatigue resistance: the fatigue-resistant life of the composite material sleeper is long due to the high corrosion resistance and weather resistance; electric insulation property: the insulation resistance is high, thereby avoiding insulation failure; machinability: the composite material sleeper can be cut according to required length; and good elasticity: the composite material sleeper can be used to reduce the rigidity of the road bed, and have good functions of vibration damping and noise reduction, thereby satisfying the railway operating conditions.
Description
Technical field
The present invention relates to a kind of sleeper and production technique thereof, especially relate to a kind of matrix material sleeper and production technique thereof.
Background technology
Along with the fast development of global economy, various countries have particularly carried out extensive, deep research to the construction of Infrastructure sleeper to the construction of transportation by railroad.The sleeper that uses on the railway mainly is by sleeper and concrete sleeper at present.The elasticity and the insulativity of timber are better, be subjected to the influence of temperature change of surrounding medium little, processing and on the line change easy, and enough resistances to displacement are arranged, but along with the minimizing of the forest reserves and the enhancing of people's environmental consciousness, some country begins to produce steel sleeper and Steel Concrete Sleeper, to replace sleeper.Yet steel sleeper exists metal wastage excessive, and cost is high, and volume is also heavy, and defective such as insulating property difference.And concrete sleeper weight ratio sleeper is much bigger, at unsteady roadbed and newly fill out roadbed etc. and locate and should not adopt; The location of frost heave is arranged in the winter time and all can not adopt at a large amount of transportation coals and ore and the serious dirty locations of circuit railway roadbed, and poor flexibility, noise is big.The hard foam polyurethane composite sleeper that long glass fiber is strengthened was used safely on Japanese the Shinkansen 30 years, and its excellent comprehensive performance is unquestionable.But its bending strength and shear strength difference are too big, and it is too high that bending strength exceeds the railway standard requirement, and shear strength is only suitable with common sleeper, does not reach the service requirements of China railways, and weathering resistance is poor, and work-ing life is short.
Summary of the invention
At the deficiencies in the prior art, technical problem to be solved by this invention is to provide a kind of matrix material sleeper, the intensity height, long service life, corrosion-resistant, good insulation preformance, weathering resistance is strong, antifatigue, good springiness has solved vibration effect and noise pollution that orbital region produces.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is, a kind of matrix material sleeper, raw material by following parts by weight is made: unsaturated type vibrin 80-100 part, initiator 1-2 part, liquid mold oil 1-2 part, filler 30-50 part, viscosity-depression agent 1-2 part, auxiliary agent 1-3 part, glass fibre, glass mat and glass fibre multiaxis are to the mixture 150-200 of cloth part; Glass fibre, glass mat and glass fibre multiaxis are 60: 10: 30 to the proportioning of cloth in the described mixture.
Optimize, above-mentioned matrix material sleeper is made by the raw material of following parts by weight: 90 parts in unsaturated type vibrin, 1 part of initiator, 1 part of liquid mold oil, 40 parts of fillers, 1 part of viscosity-depression agent, 1 part of auxiliary agent, glass mat and glass fibre multiaxis are to 170 parts in the mixture of cloth.
Optimize, above-mentioned matrix material sleeper, its filler are a kind of in hollow glass micropearl, aluminium sesquioxide or the lime carbonate.
Optimize, above-mentioned matrix material sleeper, its auxiliary agent are silane coupling agent.
The production technique of the described matrix material sleeper of a kind of claim 1 may further comprise the steps:
(1) evenly be placed on batching high-speed stirring such as unsaturated type vibrin in the resin storage tank by formula rate;
(2) glass fibre is drawn from creel after, enter resin storage tank impregnated with resin glue through feed carrier;
(3) enter preforming mould premolding, unnecessary resin and bubble are discharged;
(4) enter mold temperature again and reach 150 ℃ shaping mould gel, curing;
(5) goods after will solidifying are continuously pulled out from mould by tractor;
(6) cutting machine cuts off.
Optimize, the production technique of above-mentioned matrix material sleeper, its step increases continuous Glass Fiber Mat in (4) again, and hoop winding yarn and glass fibre multiaxis are to cloth.
Optimize, the pulling speed of tractor is 100-200mm/min in the production technique of the production technique matrix material sleeper of above-mentioned matrix material sleeper, its step (5).
Matrix material sleeper of the present invention has more following characteristics: erosion resistance, and not perishable under the physical environment, can guarantee the good precision of the long-term maintenance of track; Weather resisteant, cracking does not take place after handling in external coating under physical environment, still do not influence its performance at high temperature under the low temperature environment for use; Resistance to fatigue, because of good corrosion resistance and weather resisteant height, the antifatigue life-span is also long; Anti-electrical insulating property, the insulation resistance height does not have Insulation Problems; Processibility can be cut according to desired length; Good elasticity has reduced railway roadbed rigidity, plays the effect of favorable damping noise reduction; The property produced in batches can be as mechanicals mass production and long line production; Reduce maintenance, repair greatly, replacement charge matrix material sleeper can be used for railway switching place, tunnel, bridge even is used for a whole set of railway system.By invented technology be by matrix material sleeper outer wrap upper glass fiber multiaxis to cloth, the inner hollow structure that adopts has reduced material cost, has reached the raising transverse bending strength and has improved longitudinal shear intensity simultaneously, is full of the railway working conditions.
Description of drawings
Fig. 1 is the structural representation of matrix material sleeper of the present invention;
Fig. 2 is the technological process of production figure of matrix material sleeper of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment invention is further described.
With reference to accompanying drawing 1 and Fig. 2, the present invention is a kind of matrix material sleeper, raw material by following parts by weight is made: 90 parts in unsaturated type vibrin, 1 part of initiator, 1 part of liquid mold oil, 40 parts of fillers, 1 part of viscosity-depression agent, 1 part of auxiliary agent, glass mat and glass fibre multiaxis are to 170 parts in the mixture of cloth; Glass fibre, glass mat and glass fibre multiaxis are 60: 10: 30 to the proportioning of cloth in the described mixture.Its filler is a hollow glass micropearl.Its auxiliary agent is a silane coupling agent.
A kind of production technique of matrix material sleeper may further comprise the steps:
(1) evenly be placed on batching high-speed stirring such as unsaturated type vibrin in the resin storage tank by formula rate;
(2) glass fibre is drawn from creel after, enter resin storage tank impregnated with resin glue through feed carrier;
(3) enter preforming mould premolding, unnecessary resin and bubble are discharged;
(4) enter mold temperature again and reach 150 ℃ shaping mould gel, curing, increase continuous Glass Fiber Mat again, hoop winding yarn and glass fibre multiaxis improve the goods transverse strength to cloth;
(5) goods after will solidifying are continuously pulled out from mould by tractor, and the pulling speed of tractor is 100mm/min;
(6) cutting machine cuts off.
With reference to accompanying drawing 1 and Fig. 2, the present invention is a kind of matrix material sleeper, raw material by following parts by weight is made: 80 parts in unsaturated type vibrin, 2 parts of initiators, 2 parts of liquid mold oils, 30 parts of fillers, 2 parts of viscosity-depression agents, auxiliary agent 1-3 part, glass fibre, glass mat and glass fibre multiaxis are to 150 parts in the mixture of cloth; Glass fibre, glass mat and glass fibre multiaxis are 60: 10: 30 to the proportioning of cloth in the described mixture.
Optimize, above-mentioned matrix material sleeper, its filler are aluminium sesquioxide.
Optimize, above-mentioned matrix material sleeper, its auxiliary agent are silane coupling agent.
A kind of production technique of matrix material sleeper may further comprise the steps:
(1) evenly be placed on batching high-speed stirring such as unsaturated type vibrin in the resin storage tank by formula rate;
(2) glass fibre is drawn from creel after, enter resin storage tank impregnated with resin glue through feed carrier;
(3) enter preforming mould premolding, unnecessary resin and bubble are discharged;
(4) enter mold temperature again and reach 150 ℃ shaping mould gel, curing, increase continuous Glass Fiber Mat again, hoop winding yarn and glass fibre multiaxis improve the goods transverse strength to cloth;
(5) goods after will solidifying are continuously pulled out from mould by tractor, and the pulling speed of tractor is 150mm/min;
(6) cutting machine cuts off.
With reference to accompanying drawing 1 and Fig. 2, the present invention is a kind of matrix material sleeper, raw material by following parts by weight is made: 100 parts in unsaturated type vibrin, 2 parts of initiators, 2 parts of liquid mold oils, 50 parts of fillers, 2 parts of viscosity-depression agents, 3 parts of auxiliary agents, glass fibre, glass mat and glass fibre multiaxis are to 200 parts in the mixture of cloth, and glass fibre, glass mat and glass fibre multiaxis are 60: 10: 30 to the proportioning of cloth in the described mixture.Its filler is a lime carbonate.Its auxiliary agent is a silane coupling agent.
A kind of production technique of matrix material sleeper may further comprise the steps:
(1) evenly be placed on batching high-speed stirring such as unsaturated type vibrin in the resin storage tank by formula rate;
(2) glass fibre is drawn from creel after, enter resin storage tank impregnated with resin glue through feed carrier;
(3) enter preforming mould premolding, unnecessary resin and bubble are discharged;
(4) enter mold temperature again and reach 150 ℃ shaping mould gel, curing, increase continuous Glass Fiber Mat again, hoop winding yarn and glass fibre multiaxis improve the goods transverse strength to cloth;
(5) goods after will solidifying are continuously pulled out from mould by tractor, and the pulling speed of tractor is 200mm/min;
(6) cutting machine cuts off.
The advantage and the innovation of matrix material sleeper are mainly reflected in: the designability of hollow core structures, can carry out counterweight according to the needs at scene; The adjustable of clad structure is to adapt to the technical requirements of elastic performance; Integrally-built electrical insulating property is to adapt to the requirement of track circuit technology; Good damping noise reduction performance can adapt to the requirement of surrounding environment technology; Good processing properties can corresponding various processing, are convenient to in-situ processing; Shaped device is simple in structure, be convenient to operation, low cost of manufacture; Making, transportation, laying and easy maintenance are easily gone; Work-ing life, over-all properties was strong more than 50 years.
Common, the high speed passenger transportation railway of the range of application of matrix material sleeper (1): because matrix material sleeper good elasticity, the import and export interval and the orbit rigidity that grades of the orbit portion between ballastless track and the ballasted track in junction, tunnel change greatly special road section and the special location that needs vibration and noise reducing such as conservation of historic buildings district, Residential areas applicable to interval before and after the bridges and culverts, road and bridge, the matrix material sleeper is compared with Steel Concrete Sleeper and track plate, possess skills and cost advantage, can reduce maintenance, repair, replacement charge greatly; (2) City Rail Transit System: the linear electric motors delivery system is generally used in urban track traffic, its employed linear electric motors tablet setting accuracy to the error of track is ± 1mm, in the vehicle operating process, it is stressed that tablet drives sleeper, and bending resistance, resistance to deformation and the weather resistance of sleeper proposed very high requirement.Therefore, in sharp radius curve and small size code channel trouble location, common sleeper and concrete sleeper all can not meet the demands.Simultaneously, the general compact in design of urban track traffic, occupation of land are lacked, because the facility of living of periphery is more, also very high to the requirement of low orbit noise, this has just proposed very high requirement to the elastic buffer of track.The matrix material sleeper can satisfy the various technical qualification of urban track traffic, is one of optimal selection of urban track traffic usefulness sleeper.(3) industrial and mining enterprises' access railroad: matrix material sleeper light weight, be 1/5th of ordinary reinforced concrete sleeper weight, simultaneously because its special even matter structure, can be at the arbitrary surfaces fastener for installing bolt of sleeper, but the repeating utilization factor height very helps the onsite moving and the construction of industrial and mining enterprises.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited to above-mentioned giving an example; those skilled in the art; in essential scope of the present invention, the variation of making, remodeling, interpolation or replacement all should belong to protection scope of the present invention.
Claims (7)
1. matrix material sleeper, it is characterized in that: the raw material by following parts by weight is made: unsaturated type vibrin 80-100 part, initiator 1-2 part, liquid mold oil 1-2 part, filler 30-50 part, viscosity-depression agent 1-2 part, auxiliary agent 1-3 part, glass fibre, glass mat and glass fibre multiaxis are to the mixture 150-200 of cloth part; Glass fibre, glass mat and glass fibre multiaxis are 60: 10: 30 to the proportioning of cloth in the described mixture.
2. a kind of matrix material sleeper according to claim 1, it is characterized in that: the raw material by following parts by weight is made: 90 parts in unsaturated type vibrin, 1 part of initiator, 1 part of liquid mold oil, 40 parts of fillers, 1 part of viscosity-depression agent, 1 part of auxiliary agent, glass mat and glass fibre multiaxis are to 170 parts in the mixture of cloth.
3. a kind of matrix material sleeper according to claim 1 is characterized in that: described filler is a kind of in hollow glass micropearl, aluminium sesquioxide or the lime carbonate.
4. a kind of matrix material sleeper according to claim 1 is characterized in that: described auxiliary agent is a silane coupling agent.
5. the production technique of the described matrix material sleeper of claim 1 may further comprise the steps:
(1) evenly be placed on batching high-speed stirring such as unsaturated type vibrin in the resin storage tank by formula rate;
(2) glass fibre is drawn from creel after, enter resin storage tank impregnated with resin glue through feed carrier;
(3) enter preforming mould premolding, unnecessary resin and bubble are discharged;
(4) enter mold temperature again and reach 150 ℃ shaping mould gel, curing;
(5) goods after will solidifying are continuously pulled out from mould by tractor;
(6) cutting machine cuts off.
6. the production technique of matrix material sleeper according to claim 5 is characterized in that: described step increases continuous Glass Fiber Mat in (4) again, and hoop winding yarn and glass fibre multiaxis are to cloth.
7. the production technique of matrix material sleeper according to claim 6 is characterized in that: the pulling speed of tractor is 100-200mm/min in the described step (5).
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| CN2010105617762A CN102070892A (en) | 2010-11-29 | 2010-11-29 | Composite material sleeper and production technique thereof |
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| CN2010105617762A CN102070892A (en) | 2010-11-29 | 2010-11-29 | Composite material sleeper and production technique thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467899A (en) * | 2013-09-23 | 2013-12-25 | 句容市睿远科技有限公司 | Damping material |
| CN104452485A (en) * | 2014-12-19 | 2015-03-25 | 中格复合材料（南通）有限公司 | Railway sleeper made of composite materials and manufacturing method thereof |
| CN104775334A (en) * | 2015-03-31 | 2015-07-15 | 中国铁道科学研究院铁道建筑研究所 | Fiber reinforced composite material composite sleeper |
| WO2016095454A1 (en) * | 2014-12-19 | 2016-06-23 | 赵沭通 | Railway sleeper made of composite material and manufacturing method therefor |
| CN111875866A (en) * | 2020-08-04 | 2020-11-03 | 大连广盛元实业有限公司 | Novel composite material sleeper and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296494A (en) * | 2011-05-31 | 2011-12-28 | 青岛华轩复合新材料科技有限公司 | Reinforced composite material sleeper for track transportation and production process thereof |
-
2010
- 2010-11-29 CN CN2010105617762A patent/CN102070892A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296494A (en) * | 2011-05-31 | 2011-12-28 | 青岛华轩复合新材料科技有限公司 | Reinforced composite material sleeper for track transportation and production process thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103467899A (en) * | 2013-09-23 | 2013-12-25 | 句容市睿远科技有限公司 | Damping material |
| CN104452485A (en) * | 2014-12-19 | 2015-03-25 | 中格复合材料（南通）有限公司 | Railway sleeper made of composite materials and manufacturing method thereof |
| WO2016095788A1 (en) * | 2014-12-19 | 2016-06-23 | 广东中集翌科新材料开发有限公司 | Composite material railway sleeper and manufacturing method therefor |
| WO2016095454A1 (en) * | 2014-12-19 | 2016-06-23 | 赵沭通 | Railway sleeper made of composite material and manufacturing method therefor |
| CN104775334A (en) * | 2015-03-31 | 2015-07-15 | 中国铁道科学研究院铁道建筑研究所 | Fiber reinforced composite material composite sleeper |
| CN104775334B (en) * | 2015-03-31 | 2017-01-11 | 中国铁道科学研究院铁道建筑研究所 | Fiber reinforced composite material composite sleeper |
| CN111875866A (en) * | 2020-08-04 | 2020-11-03 | 大连广盛元实业有限公司 | Novel composite material sleeper and preparation method thereof |
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