CN109338821A - A kind of railroad tie - Google Patents
A kind of railroad tie Download PDFInfo
- Publication number
- CN109338821A CN109338821A CN201811313051.4A CN201811313051A CN109338821A CN 109338821 A CN109338821 A CN 109338821A CN 201811313051 A CN201811313051 A CN 201811313051A CN 109338821 A CN109338821 A CN 109338821A
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- China
- Prior art keywords
- railway
- polymer
- nail hole
- railroad tie
- recycled
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-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B3/00—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails
- E01B3/44—Transverse or longitudinal sleepers; Other means resting directly on the ballastway for supporting rails made from other materials only if the material is essential
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The device and method of the railway nail hole in railroad tie can be recycled the present invention provides one kind.In this way, the railroad tie of recovery can be reused in subsequent track replacement operation.The railway necktie of recovery can be such that railway nail penetrates and be maintained in the range of the railway nail hole of recovery without apparent problem on deformation.Used used railroad tie has multiple railway nail hole, the inner surface of the railway nail hole is provided with frictional layer, the frictional layer includes twill weave cloth, the twill weave cloth is twisted twine by friction spun yarn, red iron, basalt fibre, aramid fiber and carbon fiber with certain proportion and weaves, and the friction spun yarn is by viscose rayon, aramid fiber and acrylic fiber is blended forms.In each, the device for limiting railway nail hole forms polymer plug.Polymer plug includes the polymer plug formed by polymer material, the polymer plug includes multiple flexible, easily deformable micro- content, the formation of its regulation hammers into insertion path, its insertion force that railway nail is tracked when track is driven in material, consequently facilitating iron nail is inserted into polymer plug, to recycle.
Description
Technical field
The present invention relates to the railroad ties with railway nail hole, and in particular to one kind can be recycled in railroad tie
The device and method of railway nail hole.
Background technique
All maintenances of track are generally meant that in railway operation and remove track nail from railroad tie.In many feelings
Under condition, these railroad ties are available in structure, because they do not deteriorate into the degree needed replacing.However, repeating
Need to block any nail hole present in railroad tie structure using these connections.In general, these spike holes can be blocked.It is logical
This mode is crossed, when spike reenters in hole, spike will be securely fixed in the range of frenulum.In certain traditional sides
In formula, nail hole is entered by manual actuation hardwood pin to block tie-rod.Unfortunately, it will lead to some ask using hardwood pin
Topic.Firstly, pin is not fully filled with hole.This leads to moisture penetration during use, finally accelerates frenulum and rots, and then leads
Cause the deterioration of railroad tie structure.Moreover, compared with original not used original railroad tie, hardwood pin cannot effectively by
Nail nail anchors in structure railroad tie component.
The present invention is desirable to provide a kind of effective and effective method, for filling the nail hole in used railroad tie, so
The filling railroad tie of production restoration afterwards can be reused in track replacement operation.
This method should preferably have with properties: (a) spike being securely fixed in frenulum；(b) deep to seep
Enter small crack and the crack of wood surface, form nail hole, to prevent from rotting because of moisture-induced frenulum；(c) it is closely tied with timber
It closes, prevents moisture from penetrating into；(d) dosing again within the short period after making up a prescription；It (e) will be in connecting hole during filling perforation operation
Ponding displacement；(f) connecting hole of dam leak, to be filled up completely.As for the fill part of railroad tie, it should with will
The comparable mode in original timber part that railway spike is introduced into theme railroad tie is anchored spike.It is especially important to be to provide one
The nail hole of kind filling meets above-mentioned needs but railway nail can be made effectively to penetrate the material of filling without significantly deforming
Problem.
Summary of the invention
The purpose of the present invention is overcome in the prior art pin cannot effectively fix, hole can not be fully filled with, lead to moisture
Infiltration accelerates to rot, and then leads to the deterioration of railroad tie structure, and providing one kind, there is at least one to be installed on railway
The railroad tie of fixation device above nail hole fixes the polymer plug for being formed in device and limiting railway nail hole, to avoid
Moisture penetration accelerates to rot, effectively solves the problem on deformation of railway iron nail.
The railway nail hole in railroad tie can be recycled in order to solve the above-mentioned technical problems, the present invention provides one kind
Method, comprising: railroad tie is provided with multiple railway nail hole on the railroad tie, and the inner surface of the railway nail hole is set
Be equipped with frictional layer, the frictional layer includes twill weave cloth, the twill weave cloth by friction spun yarn, red iron, basalt fibre,
Aramid fiber and carbon fiber are twisted twine with certain proportion and weave, and the friction spun yarn is by viscose rayon, aramid fiber
With acrylic fiber is blended forms, above-mentioned friction composition of layer helps to improve the adhesiveness in iron nail insertion nail hole；And have at least
One fixation device being installed on above railway nail hole forms the polymer for limiting railway nail hole in each fixed device
Plug, the polymer plug are formed by polymer material, the polymer material include it is multiple flexible, easily deformable is micro-
Field trash；The insertion path of the iron nail is provided when the iron nail is driven in material, consequently facilitating the railway is followed closely
It penetrates in the polymer plug, the polymer plug is combined closely with railway nail hole, so that railway nail hole device is filled up completely.
Further, seal coat of the polymer material comprising 25%-35%, 5%-10% potassium titanate fibre,
The polyphenyl acetic acid esters of 5%-15% and the polyolefin of 40%-55%.
Further, the seal coat can be any one in polyurethane material or polyurea materials.
Further, the preparation method of the polymer material includes: a ingredient, obtains the ingredient of polymer material；B will
Each ingredient is sufficiently mixed, and squeezes ingredient；C injects ingredient in mold, is cooled down；D extracts polymer material from mold.
Further, the polymer plug further includes additive, and the additive includes mineral filler, glass marble, glass
Fiber, Ceramic Balls or polymer solid particles.
Further, the density of the polymer plug is about 0.84g/cm3-2.16g/cm3。
Further, the present invention relates to the railroad tie that railway nail hole can be recycled in one kind, railroad tie, the iron
Multiple railway nail hole are provided on the sleeper of road, the inner surface of the railway nail hole is provided with frictional layer, and the frictional layer includes oblique
Line woven cloth, the twill weave cloth is by friction spun yarn, red iron, basalt fibre, aramid fiber and carbon fiber with certain proportion
It is twisted twine to weave, the friction spun yarn is by viscose rayon, aramid fiber and acrylic fiber is blended forms；And have extremely
A few fixation device being installed on above railway nail hole, forms the polymerization for limiting railway nail hole in each fixed device
Object plug, the polymer plug are formed by polymer material, the polymer material include it is multiple flexible, it is easily deformable
Micro- field trash；The polymer plug further includes additive, and the additive includes mineral filler, glass marble, glass fibre, ceramics
Ball or polymer solid particles；The density of the polymer plug is about 0.84g/cm3-2.16g/cm3。
Further, the preparation method of the polymer material includes: a ingredient, obtains the ingredient of polymer material；B will
Each ingredient is sufficiently mixed, and squeezes ingredient；C injects ingredient in mold, is cooled down；D extracts polymer material from mold.
Further, seal coat of the polymer material comprising 25%-35%, 5%-10% potassium titanate fibre,
The polyphenyl acetic acid esters of 5%-15% and the polyolefin of 40%-55%.
Further, the seal coat can be any one in polyurethane material or polyurea materials.
Specific embodiment
The present invention is further described below with reference to embodiment.
Detailed description of preferred embodiment
The device and method of the railway nail hole in railroad tie can be recycled there is provided herein one kind.Therefore, restore
Railroad tie can be reused in subsequent track replacement operation.The railroad track of recovery can be such that railway nail penetrates simultaneously
It is maintained in the range of the railway nail hole device of recovery without apparent problem on deformation.The present apparatus includes providing used iron
Road sleeper, the device with the railway nail hole that at least one restriction is located therein.
Polymer plug is formed in each railway nail hole.Multiple railway nail hole are provided on the railroad tie, it is described
The inner surface of railway nail hole is provided with frictional layer, and the frictional layer includes twill weave cloth, and the twill weave cloth is by FRICTION SPINNING
Yarn, red iron, basalt fibre, aramid fiber and carbon fiber are twisted twine with certain proportion and weave, the friction spun yarn
By viscose rayon, aramid fiber and acrylic fiber is blended forms.Polymer plug is formed by polymer material, the polymer material
Including content multiple flexible, easily deformable, this allows to be formed spike insertion channel.Meanwhile it allows to be inserted into nail,
The interface between plugging material and the railroad tie of recovery deforms wood grain simultaneously.Power is tracked during being inserted into railway spike
Allow to obtain the opinion about spike insertion path.This can by railway nail be driven in stopper material when track power come
It realizes.Railway is followed closely in insertion polymer plug, has permeated and has been closely adhered in railway nail hole, prevented moisture penetration, from
And connection significant due to caused by moisture is prevented to rot, this is that one kind can be filled up completely to the interception of the railway nail hole of leakage
Effective ways.
The flexible content that can be introduced into material is usually made of polymer microballoon capsule.Preferably, content includes table
The polymer microballoon of surface treatment.It is highly preferred that processed polymer microballoon includes the polymer microballoon of coating.Most preferred folder
Sundries is the polymer microballoon of calcium carbonate coating.Based on total weight, the content of flexible content may be up to about 3.0% (weight),
Preferably of up to about 2.5% (weight), more preferably up to about 2.0% (weight), most preferably up to about 2.0% (weight).Polymer
Fill in material.It has been found that flexible content, such as above-mentioned polymer microballoon, it is possible to provide change between polymer substrate and flexible content
Kind interaction.In this way, it is imaged and is determined by the scanning electron microscope (SEM) after sample loads, will enhanced
Load the performance of lower material.These field trashes should not show rampant removing, also should not deleteriously influence the overall thermal of system
Performance.
Polymer material is usually the material of substantially acellular.Potassium titanate fibre, polyphenyl acetic acid esters, polyolefin, poly- ammonia
Ester material or polyurea materials mixture are particularly useful in the present invention.Preferably, polymer material includes the covering of 25%-35%
Coating, 5%-10% potassium titanate fibre, the polyphenyl acetic acid esters of 5%-15% and the polyolefin of 40%-55%.It is highly preferred that covering
Coating is polyurea materials.Most preferably, seal coat is the mixing material of polyphenyl acetic acid esters and polyolefin.These polymer are by amine
The various combinations preparation of sealing end and hydroxy-end capped resin, the resin are reacted with isocyanate material.Preferred polymer
Plug material contains isocyanate-terminated prepolymer to improve miscible property.These isocyanate-terminated prepolymers preferably control
The structure of hard segment in microcosmos area, wherein isocyanate component tends to be gathered in polyurethane or polyurea compound.Phase
Compatibility can pass through atomic force microscope (AFM), tunneling electron microscope, SEM combination chemical etching or variable pressure scanning
Electron microscope measures.
The density of polymer plug of the invention is generally greater than about 0.84g/cm3-2.16g/cm3, polymer plug can be into one
Step includes other additives, these additives may include mineral filler, glass marble, glass fibre, Ceramic Balls or polymer solids
Particle.
Polymer material of the invention shows improved rheological behavior for repairing railway nail hole.These theology are special
Property presence permission increase flow velocity from storage bin.The increase of flow rate is largely because dynamic theology experiment institute really
Fixed viscosity reduces and lower fluidic structures are horizontal.Moreover, because abrasion, it is possible to reduce the abrasion of application apparatus.This can return
Because in the filler that there is compared with the material of low viscosity and use less abrasive material.Motif polymerization object material shows increased material storage
Stability.The stability of enhancing is since (a) uses the material with closer matched surface energy and surface tension；(b) bright
Use rheology modifier to intelligence.In addition, the enhancing filling of rejected region may be implemented when using polymer material of the invention
Without being discharged from reparation position.
Polymer plug of the invention is relatively inserted into path with the material in given density classification.Insertion path allows to follow closely
Be fully inserted into, without causing a large amount of spike to be bent, the deviation or unsuitable material damage of nail and polymer material.
Therefore, spike can be introduced, while the part of the density of wood as caused by particle deformation being allowed to increase.The system of polymer material
Preparation Method includes: a ingredient, obtains the ingredient of polymer material；Each ingredient is sufficiently mixed by b, squeezes ingredient；C injects ingredient
In mold, cooled down；D extracts polymer material from mold.
The presence of the insertion approach suitably to work is indispensable for the insertion of enhancing spike and holding behavior.Insertion
Path is described by the load-displacement curves generated when by spike driving into polymer material.When by polymer material
After being introduced into railroad tie when assessment insertion/withdrawal force, geometry of the property based on test position.
Using new method of the invention, density polymer level be can be improved, because the property of polymer itself constitutes
The main means of the insertion process of railway nail are controlled, this is with conventional method on the contrary, conventional method is a kind of existing method.Due to
Density polymer is reduced there are microcell feature.Code test shows relative to obtainable maximum amount currently on the market
Determine polymer plug material, the reduction of insertion force is preferably of up to about 50% under low deflection value.Improved test method shows inserting
The initial stage insertion force for entering process preferably reduces up to 50%, and using the method for allowing isolating polymer, is fully inserted into
When insertion force preferred reduction be up to about 30%.Using existing polymer plug material, relative to comparable tie-rod, recovery
Used railroad tie shows that the spike insertion force insertion path of reduction is lower by 20% than the other materials with suitable density,
Even if they maintain this using required target strength and modulus value.
When in the nail hole that polymer plugging material is introduced into scene, they are by in-situ polymerization object reaction process in environment
At a temperature of form stable plug.Lower operating temperature range for carrying out the reaction in-situ usually requires to add using trace line
Hot device, in order to complete polymer curing schedule of the invention.However, tracker wire heater is used to form plug for existing
Become more and more dull and difficult for the staff of field.On the contrary, the formation of polymer plug material can be in the operation temperature of extension
It spends in range and carries out, without using trace line heater.Tracker wire heater be used for by improve hybrid resin temperature come
Ensure that hole is sufficient filling with, to reduce viscosity.
By using polymer plugging material of the invention, trace line can be reduced in broader operating temperature range
It uses.This represent field workers to use the overall simplification of agreement needed for material.It also reduces the energy that plug forms equipment
Demand (energy conservation).Currently, below about 80 °F at a temperature of activate trace.In general, trace temperature is set as about 90-120 °F.When
When motif polymerization object is used as plugging material, the heating of trace line is not preferably needed, until temperature is reduced to about 40 °F, more preferably from about
50 °F, most preferably from about 60 °F.
Rheological curve of the invention allows to avoid heating using trace line until reaching the temperature lower than such as 40 °F.Spike
Insertion path tracks the insertion force of spike in spike insertion material.It can be continuous during spike enters polymer material
Ground or with discrete apart from record value.Polymeric embolization material of the invention shows insertion more lower than the material of similar density
Power.
The interface configuration of polymeric embolization material used herein can promote improved stress elimination.By using dynamic
The creep test of mechanical analysis (DMA) directly measures stress elimination.It can also be surveyed by the timetable according to regulation or in machinery
The state of material is checked after examination by SEM to infer.Realize that preferred stress elimination level causes opposite power to subtract in turn
Small, this can follow closely railway and have a negative impact in insertion polymer plug.These are tracked it is, for example, possible to use mechanical load machine to insert
Enter power, by nail (nail) driving into polymer samples.
Polymer plug material of the invention also has lower polyurethane index.Polyurethane index is the function of isocyanates
The ratio between equivalent and the function equivalent of alcohol.Lower polyurethane index is provided to fit in aqueous environments when material and be reduced when dispensed
Plastidogenetic benefit.It SEM technology can be used directly assesses cell and formed.
The benefit with the product compared with low viscosity will be also obtained using the worker of polymer plug material.Therefore, this polymerization
Object plug material will be easier to mix, and will also allow preferably to be penetrated into railroad tie defect, be formed to reduce plug
Time, and need less work to restore railroad tie.For purposes of the present invention, by duplication field condition
In the case of penetrated with polymer plug material filling the defects of railroad tie to measure defect.Then use iron hammer and chisel by railway
Crossbeam is crosscutting or tears, directly to observe the effect of defect padding.
Here the used railroad tie repaired has excellent mechanical performance, this is directly based upon Inventive polymers embolism
The intensity and relative flexibility of material.These properties have also demonstrated relative deformation of the material under axial direction, shearing or compressive load
Trend.In addition, these performances show good performance under a load.
Performance under load tracks the variation of material properties after specific loading plan.Servo-hydraulic loading machine can be used for each
Kind frequency and power load material, and DMA also can be used and execute assessment.
Claims (10)
1. the method that the railway nail hole in railroad tie can be recycled in one kind, comprising: railroad tie, on the railroad tie
Multiple railway nail hole are provided with, the inner surface of the railway nail hole is provided with frictional layer, and the frictional layer includes twill weave cloth,
The twill weave cloth is twisted twine by friction spun yarn, red iron, basalt fibre, aramid fiber and carbon fiber with certain proportion
It weaves, the friction spun yarn is by viscose rayon, aramid fiber and acrylic fiber is blended forms；
And there is at least one to be installed on the fixation device above railway nail hole, it is formed in each fixed device and limits iron
The polymer plug in traffic stud hole, the polymer plug are formed by polymer material, and the polymer material includes multiple flexibilities
, easily deformable micro- field trash；The insertion path that the iron nail is provided when the iron nail is driven in material, thus just
It is penetrated in the polymer plug in by railway nail, the polymer plug is combined closely with railway nail hole, so that railway nail hole
Device is filled up completely.
2. the method for the railway nail hole according to claim 1 that can be recycled in railroad tie, the polymeric material
Material includes the seal coat of 25%-35%, the polyphenyl acetic acid esters and 40%-55% of 5%-10% potassium titanate fibre, 5%-15%
Polyolefin.
3. the method for the railway nail hole according to claim 2 that can be recycled in railroad tie, the seal coat
It can be any one in polyurethane material or polyurea materials.
4. the method for the railway nail hole according to any one of claims 1 to 3 that can be recycled in railroad tie, described
The preparation method of polymer material includes: a ingredient, obtains the ingredient of polymer material；Each ingredient is sufficiently mixed by b, is squeezed into
Point；C injects ingredient in mold, is cooled down；D extracts polymer material from mold.
5. the method for the railway nail hole according to claim 4 that can be recycled in railroad tie, the polymer plug
It further include additive, the additive includes mineral filler, glass marble, glass fibre, Ceramic Balls or polymer solid particles.
6. the method for the railway nail hole according to claim 4 that can be recycled in railroad tie, the polymer plug
Density be about 0.84g/cm3-2.16g/cm3。
7. one kind can be recycled the railroad tie of railway nail hole, railroad tie, multiple iron are provided on the railroad tie
Traffic stud hole, the inner surface of the railway nail hole are provided with frictional layer, and the frictional layer includes twill weave cloth, the twill weave
Cloth is twisted twine by friction spun yarn, red iron, basalt fibre, aramid fiber and carbon fiber with certain proportion and weaves, institute
Friction spun yarn is stated by viscose rayon, aramid fiber and acrylic fiber is blended forms；
And there is at least one to be installed on the fixation device above railway nail hole, it is formed in each fixed device and limits iron
The polymer plug in traffic stud hole, the polymer plug are formed by polymer material, and the polymer material includes multiple flexibilities
, easily deformable micro- field trash；The polymer plug further includes additive, and the additive includes mineral filler, glass marble,
Glass fibre, Ceramic Balls or polymer solid particles；The density of the polymer plug is about 0.84g/cm3-2.16g/cm3。
8. the railroad tie according to claim 7 that railway nail hole can be recycled, the preparation of the polymer material
Method includes: a ingredient, obtains the ingredient of polymer material；Each ingredient is sufficiently mixed by b, squeezes ingredient；Ingredient is injected mould by c
In tool, cooled down；D extracts polymer material from mold.
9. the railroad tie according to claim 8 that railway nail hole can be recycled, the polymer material include
The seal coat of 25%-35%, 5%-10% potassium titanate fibre, the polyphenyl acetic acid esters of 5%-15% and the polyene of 40%-55%
Hydrocarbon.
10. the railroad tie according to claim 9 that railway nail hole can be recycled, the seal coat can be poly-
Any one in urethane material or polyurea materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313051.4A CN109338821A (en) | 2018-11-06 | 2018-11-06 | A kind of railroad tie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811313051.4A CN109338821A (en) | 2018-11-06 | 2018-11-06 | A kind of railroad tie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109338821A true CN109338821A (en) | 2019-02-15 |
Family
ID=65313605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811313051.4A Pending CN109338821A (en) | 2018-11-06 | 2018-11-06 | A kind of railroad tie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109338821A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579039A (en) * | 2020-04-30 | 2020-08-25 | 浙江理工大学 | Anti-settling seamless construction method for flat plate type dynamic weighing equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006033670A2 (en) * | 2004-04-16 | 2006-03-30 | Willamette Valley Company | Method for restoring used railroad ties and the restored railroad ties formed thereby |
| CN103523605A (en) * | 2013-10-29 | 2014-01-22 | 重庆市渝璧纺织有限公司 | Anti-fall-off textile bobbin |
| CN105909710A (en) * | 2016-06-28 | 2016-08-31 | 东台市华阳玻纤有限责任公司 | Trigonal boron nitride automotive brake friction material and preparation method thereof |
| CN108570896A (en) * | 2017-12-08 | 2018-09-25 | 洛阳兴隆新材料科技有限公司 | A method of repairing sleeper hole |
-
2018
- 2018-11-06 CN CN201811313051.4A patent/CN109338821A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006033670A2 (en) * | 2004-04-16 | 2006-03-30 | Willamette Valley Company | Method for restoring used railroad ties and the restored railroad ties formed thereby |
| CN103523605A (en) * | 2013-10-29 | 2014-01-22 | 重庆市渝璧纺织有限公司 | Anti-fall-off textile bobbin |
| CN105909710A (en) * | 2016-06-28 | 2016-08-31 | 东台市华阳玻纤有限责任公司 | Trigonal boron nitride automotive brake friction material and preparation method thereof |
| CN108570896A (en) * | 2017-12-08 | 2018-09-25 | 洛阳兴隆新材料科技有限公司 | A method of repairing sleeper hole |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579039A (en) * | 2020-04-30 | 2020-08-25 | 浙江理工大学 | Anti-settling seamless construction method for flat plate type dynamic weighing equipment |
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Application publication date: 20190215 |