CN105040531A - Elastic sleeper and production method thereof - Google Patents
Elastic sleeper and production method thereof Download PDFInfo
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- CN105040531A CN105040531A CN201510431487.3A CN201510431487A CN105040531A CN 105040531 A CN105040531 A CN 105040531A CN 201510431487 A CN201510431487 A CN 201510431487A CN 105040531 A CN105040531 A CN 105040531A
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Abstract
The invention relates to the railway field and discloses an elastic sleeper and a production method thereof. The elastic sleeper comprises a sleeper body (2) and elastic cushions (1) which are arranged below the sleeper body (2), the elastic cushions (1) are bonded to the lower surface of the sleeper body (2) through binder, and the elastic cushions (1) and the sleeper body (2) are fixed together through rivets (3), wherein the deviation of flatness of the lower surface of the sleeper body (2) does not exceed +/-1 mm. According to the elastic sleeper and the production method thereof, the sleeper body of the elastic sleeper can be combined with the elastic cushion through bonding without grinding, the production process is simpler, and the elastic sleeper is capable of reducing railway vibration noise effectively and bearing the violent vibration of a railway firmly.
Description
Technical field
The present invention relates to a kind of elastic sleeper and manufacture method thereof.
Background technology
Along with China's heavy duty and high-speed railway cause flourish, supporting track structure technology is also in continuous progress.Due to the raising of train speed and the increase of freight volume, increase accordingly the effect to circuit, make at a high speed or under the operation condition of heavy duty, track structure hurt destroys accelerated development, line facility disease occurs and trend pickup.Especially for Ballast track structure, the problems such as railway ballast efflorescence speed is fast, and railway roadbed deflection is large, the maintenance cycle is short are reflected at special sector scenes such as bridge, tunnel and changeover portions.
Because the operating environment of Ballast track is complicated, how the rigid foundation locations such as the bridge especially in Ballast track circuit and tunnel, reduce wheel-rail interaction, reduces track vibration noise, and stability and the maintenance cycle of improving railway roadbed are very important.Elastic sleeper is a kind of novel track parts with effectiveness in vibration suppression, but because Train Dynamic reloading is comparatively violent, in use easily there is the phenomenon that cushion and sleeper body depart from elastic sleeper, therefore effective secure bond of resting the head between lower elastic layer and concrete sleeper how is ensured, be the key of elastic sleeper successful Application, unify rational adhesive method both at home and abroad at present.
Summary of the invention
The object of the invention is to overcome existing elastic sleeper in violent dynamic reloading, be easy to occur the problem that cushion and sleeper body depart from, provide a kind of elastic sleeper and manufacture method thereof, the sleeper body of this elastic sleeper without the need to through polishing can with cushion secure bond, manufacturing process is more succinct, and elastic sleeper of the present invention effectively can reduce the vibration noise of railway and bear the high vibration of track securely.
The invention provides a kind of elastic sleeper, this elastic sleeper comprises sleeper body and is arranged at the cushion below sleeper body, described cushion is bondd by the soffit of cementing agent and described sleeper body, and be fixed together by holdfast and described sleeper body, wherein, the flatness deviation of described sleeper body soffit is no more than ± 1mm.
Invention additionally provides the method manufacturing elastic sleeper of the present invention, the method comprises the following steps:
(1) with cementing agent, cushion is bonded in the soffit of sleeper body;
(2) with holdfast, cushion and sleeper body are fixed together.
Present invention also offers the elastic sleeper obtained made according to the method for the present invention.
The present inventor finds, prior art is in the process manufacturing sleeper body, usual meeting strictly controls sand coarse aggregate ratio (i.e. the content of described sand) and reduced water content to increase the frictional force of sleeper body soffit, usually sand coarse aggregate ratio is controlled below 31 % by weight, reduced water content is controlled below 0.7 % by weight, and needing to carry out polishing to the soffit of sleeper body can be bonding with cushion, makes manufacture process more complicated; In order to simple flow cementing agent bondd sleeper body and cushion better, the present inventor wishes that the soffit of sleeper body can flat smooth.The present inventor is by large quantity research, audaciously sand coarse aggregate ratio is brought up to about 33 % by weight, the consumption of water reducing agent is brought up to about 0.8 % by weight, the bottom surface flat smooth of sleeper body manufactured under such proportioning, without voids and pits, without ixoderm, without projection stone, and the flatness deviation of soffit can control be no more than ± 1mm, thus namely sleeper body made according to the method for the present invention without the need to boning with cushion through polishing, makes manufacturing process more succinct; And the service behaviour of the sleeper body of gained, intensity and modulus of elasticity after the content that have adjusted sand coarse aggregate ratio and water reducing agent, and the static load of elastic sleeper and fatigue strength meet specified standard in " concrete crosstie " (TB/T2190-2013) completely.Simultaneously in order to guarantee that cushion and sleeper body do not depart from further, cushion and sleeper body holdfast are also fixed together by inventor.Thus elastic sleeper manufactured in the conditions of the invention can bear the high vibration of track more for a long time and the phenomenon that cushion and sleeper body depart from not occur.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for manual, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the elastic sleeper of a kind of detailed description of the invention of the present invention.
Fig. 2 be the elastic sleeper of a kind of detailed description of the invention of the present invention look up structural representation.
Fig. 3 is the side-looking structural representation of the elastic sleeper of a kind of detailed description of the invention of the present invention.
Fig. 4 is the structural representation of the cushion of a kind of detailed description of the invention of the present invention.
Fig. 5 is the enlarged drawing of the I part in Fig. 4.
Fig. 6 is the top view of Fig. 4.
Description of reference numerals
1 cushion 2 sleeper body 3 holdfast 4 rail support groove
11 elastic layer 12 topping 13 protuberance 14 projecting surfaces
A longitudinal direction
Detailed description of the invention
Below the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality such as " upper and lower " of use typically refers to reference to shown in the drawings upper and lower.
The invention provides a kind of elastic sleeper, as shown in Figure 1, the cushion 1 that this elastic sleeper comprises sleeper body 2 and is arranged at below sleeper body 2, described cushion 1 is bondd by the soffit of cementing agent and described sleeper body 2, and be fixed together by holdfast 3 and described sleeper body 2, wherein, the flatness deviation of described sleeper body 2 soffit is no more than ± 1mm.
According to elastic sleeper of the present invention, corresponding to each rail support groove 4 on sleeper body 2, be respectively arranged with a cushion 1, and each described cushion 1 is positioned at immediately below corresponding rail support groove 4, as shown in Figure 1.There is no particular limitation for the shape and size of described cushion 1, preferably, as shown in Figure 2, the shape of cushion 1 and the shape of sleeper body 2 substantially identical, and cushion 1 be dimensioned slightly smaller than sleeper body 2, more preferably, the edge 50-70mm of the Edge Distance sleeper body 2 of cushion 1.
According to elastic sleeper of the present invention, each described cushion 1 is provided with 4-8 described holdfast 3, wherein 4 described holdfasts 3 are positioned at four drift angle places of cushion 1 and the edge of distance cushion 1 can be such as 30-80mm, are preferably 50-80mm.Preferably, as shown in Figure 2, each cushion 1 is provided with 4 holdfasts 3 and they lay respectively at four drift angle places of cushion 1.
According to elastic sleeper of the present invention, described sleeper body 2 is made up of the concrete composition comprising cement, breeze, water, sand, stone and water reducing agent.Wherein, with the gross weight of described concrete composition for benchmark, described concrete composition can contain the sand of 32-34 % by weight and the water reducing agent of 0.75-0.9 % by weight, preferably containing the sand of 33.0-33.5 % by weight and the water reducing agent of 0.80-0.85 % by weight.The present inventor finds, when the content of the sand in concrete composition and water reducing agent meets above-mentioned requirements, manufactured sleeper body 2 can be made without the need to namely can realize sleeper body 2 soffit flat smooth through special polishing, without voids and pits, without ixoderm, without projection stone, and the flatness deviation of described soffit can control be no more than ± 1mm, thus make sleeper body 2 more firm with the bonding of cushion 1.
According to elastic sleeper of the present invention, there is no particular limitation for the consumption of the other materials in described concrete composition beyond desanding and water reducing agent, is the consumption of this area routine.The weight ratio of described cement, breeze, water, sand, stone and water reducing agent can be 380-400:66-72:130-136:630-650:1260-1315:3.65-3.85, is preferably 386-396:68-70:132-134:630-640:1280-1295:3.65-3.75.
According to elastic sleeper of the present invention, described cushion 1 is for being arranged between sleeper body 2 and railway roadbed to provide resiliency supported to sleeper body 2, the present inventor finds, the cushion of existing elastic sleeper is generally single layer structure, and specially treated is not done in surface, thus on the one hand can cause sleeper and have the frictional force between tiny fragments of stone, coal, etc. railway roadbed to reduce and affect the stability of track structure; On the other hand, directly breakage easily can be produced with there being tiny fragments of stone, coal, etc. railway roadbed to contact under High-speed Train Loads due to cushion, thus the application life of influence elastane pad.Therefore the present inventor finds in the process of further investigation, cushion can be set to sandwich construction, and specifically arrange different materials and structures to every one deck, thus can improve the application life of cushion and the stability of track structure significantly.Particularly, cushion 1 can comprise superposed elastic layer 11 and support the topping 12 of elastic layer 11 in bottom regularly, and elastic layer 11 can the bottom of support sleeper body 2, and topping 12 is made up of high-abrasive material and between elastic layer 11 and railway roadbed.As shown in Figures 4 to 6; cushion comprises elastic layer 11 and topping 12; elastic layer 11 can be arranged on the bottom of sleeper body 2 and provide resiliency supported for sleeper body 2; topping 12 is made up of high-abrasive material; this topping 12 is fixedly fastened on the bottom of elastic layer 11; and between elastic layer 11 and railway roadbed, thus not only have and can prevent elastic layer 11 from sustaining damage and improving the effect in the application life of elastic layer 11, but also there is the effect of the stability that can improve track structure.
According to elastic sleeper of the present invention, preferably, the surface towards railway roadbed of topping 12 is formed with anti-skid structure.Namely; topping 12 on the surface of elastic layer 11, be formed with anti-skid structure; can appropriate configuration be formed as this anti-skid structure, as long as the frictional force that the surface that can increase topping 12 contacts with railway roadbed, thus there is the effect of the stability improving track structure.Preferably, anti-skid structure is formed as multiple protuberance 13, is arranged on the described surface of topping 12 multiple protuberance 13 predetermined space.As shown in Figure 5 and Figure 6, the shape of described protuberance 13 can be any one or more in circle, rectangle, triangle and rhombus, can be also irregular shape, be not particularly limited this.By by multiple protuberance 13 predetermined space be arranged in topping 12 towards on the surface of railway roadbed, thus the frictional force between topping 12 and railway roadbed can be improved equably.Preferably; the projecting surface 14 of protuberance 13 is in the same plane; thus projecting surface 14 and the railway roadbed uniform contact of each protuberance 13 on the surface of topping 12 can be ensured; frictional force between the projecting surface 14 of the protuberance 13 of topping 12 and railway roadbed is kept evenly, thus can the concentrated wear of effective protection aquiclude 12.Preferably, as shown in Figure 6, protuberance 13 is formed as extending along the longitudinal direction A on described surface on the described surface of topping 12, or, preferably, protuberance 13 is formed as along vertically extending with the longitudinal direction A on described surface on the described surface of topping 12, but the present invention is not limited thereto, as long as the effect of the frictional force between the surface towards railway roadbed and railway roadbed improving topping 12 can be played, described protuberance 13 also can be formed as other structures, such as, described protuberance 13 comprises the first protuberance and the second protuberance, first protuberance extends along the longitudinal direction A on the described surface of topping 12, second protuberance is along vertically extending with the longitudinal direction A on the described surface of topping 12, thus the frictional force improved between protuberance 13 and railway roadbed.
According to elastic sleeper of the present invention, preferably, topping 12 is made up of ethylene propylene diene rubber or polyurethane, and containing macromolecular fibre in topping 12.Preferably, described macromolecular fibre is polyester fiber.By admixture macromolecular fibre composition in topping 12, improve the puncture-resistant of topping 12, cracking resistance and anti-permeability performance, thus effectively can reduce topping 12 and be damaged, and then improve the application life of cushion.At this, described macromolecular fibre can be also other fibers, as long as can improve the anti-wear performance of topping 12.
According to elastic sleeper of the present invention, preferably, elastic layer 11 is made up of expanded material thus can effectively for sleeper body 2 is provided resiliency supported, and wherein, this elastic layer 11 can be made up of ethylene propylene diene rubber or polyurethane.But the present invention is not limited thereto, elastic layer 11 also can adopt other materials, as long as can provide elasticity for sleeper body 2.
According to elastic sleeper of the present invention; because topping 12 is arranged on the bottom of elastic layer 11 by high-abrasive material and is contacted with railway roadbed; thus can play protection elastic layer 11 be not damaged; make elastic layer 11 can effectively for sleeper body 2 provides resiliency supported; in addition; the frictional force that can improve between topping 12 and railway roadbed because topping 12 has anti-skid structure, thus the effect with the stability improving track structure.In addition, owing to containing macromolecular fibre composition in topping 12, thus puncture-resistant, cracking resistance, the anti-permeability performance of topping 12 can be improved, and then improve the application life of cushion.Cushion of the present invention not only can be applied to the sleeper body 2 of the Ballast track in common railway, high-speed railway, subway and light rail, but also can meet the instructions for use of the sleeper body 2 of heavy haul railway Ballast track.
According to elastic sleeper of the present invention, there is no particular limitation for described cementing agent, use conventional can by the cementing agent of concrete and/or rubber bound.Containing neoprene, toluene and ethyl acetate in the cementing agent that a kind of preferably embodiment of the present invention is used.
According to a kind of detailed description of the invention of elastic sleeper of the present invention, the pillow middle section height of described elastic sleeper is 186-195mm, and the rail lower section height of described elastic sleeper is 231-240mm.Wherein, described rail lower section height is the height in the cross section at rail support groove 4 place perpendicular to the bearing of trend of elastic sleeper, described pillow middle section height is the height in the cross section located in the pillow perpendicular to the bearing of trend of elastic sleeper, is the sleeper middle part between two rail support grooves 4 in described pillow.
According to elastic sleeper of the present invention, the width of the soffit of described elastic sleeper is preferably 200-320mm.
Invention additionally provides the method manufacturing elastic sleeper of the present invention, the method comprises the following steps:
(1) with cementing agent, cushion is bonded in the soffit of sleeper body;
(2) with holdfast, cushion and sleeper body are fixed together.
Method of the present invention also comprises prepares burden to the concrete composition for the manufacture of sleeper body 2, and this concrete mix contains cement, breeze, water, sand, stone and water reducing agent.Wherein, with the gross weight of described concrete composition for benchmark, described concrete composition can contain the sand of 32-34 % by weight and the water reducing agent of 0.75-0.9 % by weight, preferably containing the sand of 33.0-33.5 % by weight and the water reducing agent of 0.80-0.85 % by weight.The present inventor finds, when the content of the sand in concrete composition and water reducing agent meets above-mentioned requirements, manufactured sleeper body 2 can be made without the need to namely can realize sleeper body 2 soffit flat smooth through special polishing, without voids and pits, without ixoderm, without projection stone, and the flatness deviation of described soffit can control be no more than ± 1mm, thus make sleeper body 2 more firm with the bonding of cushion 1.There is no particular limitation for the consumption of the other materials in described concrete composition beyond desanding and water reducing agent, is the consumption of this area routine.The weight ratio of described cement, breeze, water, sand, stone and water reducing agent can be 380-400:66-72:130-136:630-650:1260-1315:3.65-3.85, is preferably 386-396:68-70:132-134:630-640:1280-1295:3.65-3.75.
According to method of the present invention, there is no particular limitation for described cementing agent, use conventional can by the cementing agent of concrete and/or rubber bound.Containing neoprene, toluene and ethyl acetate in the cementing agent that a kind of preferably embodiment of the present invention is used.
According to method of the present invention, each described cushion 1 is provided with 4-8 described holdfast 3, wherein 4 described holdfasts 3 are positioned at four drift angle places of cushion 1 and the edge of distance cushion 1 can be such as 30-80mm, are preferably 50-80mm.Preferably, as shown in Figure 2, each cushion 1 is provided with 4 holdfasts 3 and they lay respectively at four drift angle places of cushion 1.
Identical with the feature of elastic sleeper according to the present invention according to other features of method of the present invention, do not repeat them here.
Present invention also offers the elastic sleeper obtained made according to the method for the present invention.Elastic sleeper of the present invention effectively can reduce the vibration noise of railway, and can bear the high vibration of track more for a long time and the phenomenon that cushion and sleeper body depart from does not occur.
Below will be described the present invention by embodiment.
In the following Examples and Comparative Examples, method concrete composition being manufactured sleeper body is carried out according to " concrete crosstie " (TB/T2190-2013).The planeness measuring sleeper body soffit adopts guiding ruler and clearance gauge to measure.Cementing agent used is the shield duct piece sealing bonded adhesives reaching company purchased from Jiang Yinhai.
Embodiment 1
(1) concrete composition is prepared burden, wherein the weight ratio of cement, breeze, water, sand, stone and water reducing agent is 391:69:133:633:1287:3.68, and with the gross weight of concrete composition for benchmark, the content controlling sand is 33.0 % by weight, and the content of water reducing agent is 0.80 % by weight.Then the concrete composition after batching is manufactured sleeper body, the planeness of the soffit of this sleeper body is+0.8mm after measured.
(2) according to the mode shown in Fig. 2; immediately below the rail support groove with cementing agent cushion being bonded in step (1) gained sleeper body; obtain sample I1; wherein; the structure of this cushion as Figure 4-Figure 6, particularly, be made up of expanded material by elastic layer; topping has ethylene propylene diene rubber to make and doped with polyester fiber, and topping has the anti-skid structure of rectangle.Finally, cushion and sleeper body are fixed together with 4 holdfasts at four drift angle places of cushion.Through measuring, the Edge Distance sleeper body edges of cushion is about 55mm, and holdfast distance cushion edge is about 62mm, and the pillow middle section height of elastic sleeper is 195mm, and rail lower section height is 235mm.
According to the service behaviour of " railway concrete " " TB/T3275 " method test gained sleeper body, recording jumping table, to increase real factor be 1.35; Test its intensity according to the method for " standard for test methods of mechanical properties of ordinary concrete " (GB/T50081), recording demoulding strength is 55MPa, and 28 days demoulding strengths are 60MPa; Measure its modulus of elasticity according to the method for " standard for test methods of mechanical properties of ordinary concrete " (GB/T50081), recording modulus of elasticity is 3.73 × 10
4mPa, within 28 days, modulus of elasticity is 4.08 × 10
4mPa.Above-mentioned performance all meets specified standard in " concrete crosstie " (TB/T2190-2013).
Measure static load and the fatigue strength of gained elastic sleeper according to the method for " prestressed concrete pillow static load crazing-resistance test method " (TB/T1879), recording static load result is: rail lower section 210kN does not ftracture, and intermediate cross-section 170kN does not ftracture; Recording fatigue strength result is: rail lower section 230kN does not ftracture, and intermediate cross-section 180kN does not ftracture.Above-mentioned performance all meets specified standard in " concrete crosstie " (TB/T2190-2013).
Embodiment 2
(1) concrete composition is prepared burden, wherein the weight ratio of cement, breeze, water, sand, stone and water reducing agent is 386:68:132:630:1280:3.65, and with the gross weight of concrete composition for benchmark, the content controlling sand is 33.5 % by weight, and the content of water reducing agent is 0.83 % by weight.Then the concrete composition after batching is manufactured sleeper body, the planeness of the soffit of this sleeper body is-0.6mm after measured.
(2) according to the mode shown in Fig. 2; immediately below the rail support groove with cementing agent cushion being bonded in step (1) gained sleeper body; obtain sample I2; wherein; the structure of this cushion as Figure 4-Figure 6, particularly, be made up of expanded material by elastic layer; topping has polyurethane to make and doped with polyester fiber, and topping has circular anti-skid structure.Finally, cushion and sleeper body are fixed together with 4 holdfasts at four drift angle places of cushion.Through measuring, the Edge Distance sleeper body edges of cushion is about 58mm, and holdfast distance cushion edge is about 68mm, and the pillow middle section height of elastic sleeper is 186mm, and rail lower section height is 231mm.
Embodiment 3
(1) concrete composition is prepared burden, wherein the weight ratio of cement, breeze, water, sand, stone and water reducing agent is 396:70:134:640:1295:3.75, and with the gross weight of concrete composition for benchmark, the content controlling sand is 33.8 % by weight, and the content of water reducing agent is 0.85 % by weight.Then the concrete composition after batching is manufactured sleeper body, the planeness of the soffit of this sleeper body is+0.8mm after measured.
(2) according to the mode shown in Fig. 2; immediately below the rail support groove with cementing agent cushion being bonded in step (1) gained sleeper body; obtain sample I3; wherein; the structure of this cushion as Figure 4-Figure 6, particularly, be made up of expanded material by elastic layer; topping has ethylene propylene diene rubber and polyurethane to be mixed and doped with polyester fiber, and topping has leg-of-mutton anti-skid structure.Finally, cushion and sleeper body are fixed together with 4 holdfasts at four drift angle places of cushion.Through measuring, the Edge Distance sleeper body edges of cushion is about 50mm, and holdfast distance cushion edge is about 65mm, and the pillow middle section height of elastic sleeper is 195mm, and rail lower section height is 240mm.
Comparative example 1
Carry out according to the method for embodiment 1, difference is, when preparing burden in step (1), the consumption of sand and water reducing agent is controlled the level in prior art, be specially: prepare burden to concrete composition, wherein the weight ratio of cement, breeze, water, sand, stone and water reducing agent is 391:69:133:595:1325:3.22, and with the gross weight of concrete composition for benchmark, the content controlling sand is 31.0 % by weight, and the content of water reducing agent is 0.70 % by weight.After measured, the planeness of the soffit of obtained sleeper body is 4mm.According to the method for embodiment 1, the soffit of sleeper body is not polished, immediately below the rail support groove directly with cementing agent cushion being bonded in sleeper body, obtain sample D1.Finally, cushion and sleeper body are fixed together with 4 holdfasts at four drift angle places of cushion.
By by test case, performance test is carried out to the product that embodiment and comparative example obtain below.
Test case I1-3 and D1
Test the firmness that above-described embodiment 1-3 (corresponding test case I1-3) and the cushion of the elastic sleeper manufactured by comparative example 1 (corresponding test case D1) and sleeper body bond respectively, concrete grammar is: sample thief I1, I2, I3 and D1, and cut out length 240mm, the cushion of width 50mm and the sample of the bonding part of sleeper body, rightabout load is applied to cushion and sleeper body simultaneously, this load is started from scratch, evenly slowly increase, when cushion starts to be separated with sleeper body, control the rate of departure and be not more than 100mm/min, till cushion is separated with sleeper body, maximum separation payload values F in record process of the test.The maximum separation payload values F of test case I1-3 and D1 is as shown in table 1.
Table 1
| Maximum separation payload values F (kN) | |
| Test case I1 | 35 |
| Test case I2 | 42 |
| Test case I3 | 36 |
| Test case D1 | 12 |
Find by test case I1-3 and D1 being carried out contrast, cushion and the sleeper body of elastic sleeper of the present invention separate load used and are far longer than comparative example, prove that the combination of the cushion of elastic sleeper of the present invention and sleeper body is more firm.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Claims (10)
1. an elastic sleeper, this elastic sleeper comprises sleeper body (2) and is arranged at the cushion (1) of sleeper body (2) below, described cushion (1) is bondd by the soffit of cementing agent and described sleeper body (2), and be fixed together by holdfast (3) and described sleeper body (2), wherein, the flatness deviation of described sleeper body (2) soffit is no more than ± 1mm.
2. elastic sleeper according to claim 1, wherein, corresponding to each rail support groove (4) on sleeper body (2), be respectively arranged with a cushion (1), and each described cushion (1) is positioned at immediately below corresponding rail support groove (4).
3. elastic sleeper according to claim 1 and 2, wherein, each described cushion (1) is provided with 4-8 described holdfast (3), wherein 4 described holdfasts (3) are positioned at four drift angle places of cushion (1) and the edge 30-80mm of distance cushion (1).
4. elastic sleeper according to claim 1, wherein, described sleeper body (2) is made up of the concrete composition comprising cement, breeze, water, sand, stone and water reducing agent, wherein, with the gross weight of described concrete composition for benchmark, described concrete composition contains the sand of 32-34 % by weight and the water reducing agent of 0.75-0.9 % by weight;
Preferably, with the gross weight of described concrete composition for benchmark, described concrete composition contains the sand of 33.0-33.5 % by weight and the water reducing agent of 0.80-0.85 % by weight.
5. elastic sleeper according to claim 4, wherein, in described concrete composition, the weight ratio of cement, breeze, water, sand, stone and water reducing agent is 380-400:66-72:130-136:630-650:1260-1315:3.65-3.85.
6. according to the elastic sleeper in claim 1-5 described in any one; wherein; described cushion (1) comprises superposed elastic layer (11) and supports the topping (12) of described elastic layer (11) in bottom regularly; described elastic layer (11) can support the bottom of described sleeper, and described topping (12) is made up of high-abrasive material and is positioned between described elastic layer (11) and railway roadbed.
7. elastic sleeper according to claim 6, wherein, described topping (12) is made up of ethylene propylene diene rubber or polyurethane, and containing macromolecular fibre in described topping (12);
Preferably, described elastic layer (11) is made up of expanded material.
8. according to the elastic sleeper in claim 1-7 described in any one, wherein, the pillow middle section height of described elastic sleeper is 186-195mm, and the rail lower section height of described elastic sleeper is 231-240mm.
9. a method for the elastic sleeper in manufacturing claims 1-8 described in any one, the method comprises the following steps:
(1) with cementing agent, cushion is bonded in the soffit of sleeper body;
(2) with holdfast, cushion and sleeper body are fixed together.
10. the elastic sleeper that obtains of method manufacture according to claim 9.
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| CN109235164A (en) * | 2018-10-26 | 2019-01-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of sleeper resilient sleeper-bearing connection structure |
| CN109898369A (en) * | 2017-12-08 | 2019-06-18 | 洛阳兴隆新材料科技有限公司 | A kind of installation method for preventing sleeper from sliding |
| CN111501426A (en) * | 2020-04-26 | 2020-08-07 | 中铁六局集团有限公司 | Construction method for bonding concrete elastic wide sleeper base plate |
| CN112030634A (en) * | 2020-08-03 | 2020-12-04 | 福建省泉州市华钻金刚石工具有限公司 | Grinding wheel for grinding sleeper |
| CN112538796A (en) * | 2020-11-30 | 2021-03-23 | 广州地铁设计研究院股份有限公司 | Elastic short sleeper rapid reconstruction method |
| US11136724B2 (en) | 2018-05-31 | 2021-10-05 | China Academy Of Railway Sciences Corporaton Limited Railway Engineering Research Institute | Fiber-reinforced prestressed reinforced concrete sleeper |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2490198Y (en) * | 2001-07-10 | 2002-05-08 | 魏国有 | Elastic prestressed reinforced concrete sleeper |
| CN101549976A (en) * | 2009-05-18 | 2009-10-07 | 中铁隧道集团有限公司 | Concrete mixing proportion for deposition tube tunneltron segment |
| CN201358418Y (en) * | 2009-02-13 | 2009-12-09 | 王骏 | Track concrete elastic sleeper |
| KR20120126626A (en) * | 2011-05-12 | 2012-11-21 | 김해곤 | Railroad Glory Tie |
| CN204080549U (en) * | 2014-07-22 | 2015-01-07 | 中国铁道科学研究院铁道建筑研究所 | Elastic sleeper |
| CN204825514U (en) * | 2015-07-21 | 2015-12-02 | 中国神华能源股份有限公司 | Elasticity sleeper |
-
2015
- 2015-07-21 CN CN201510431487.3A patent/CN105040531B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2490198Y (en) * | 2001-07-10 | 2002-05-08 | 魏国有 | Elastic prestressed reinforced concrete sleeper |
| CN201358418Y (en) * | 2009-02-13 | 2009-12-09 | 王骏 | Track concrete elastic sleeper |
| CN101549976A (en) * | 2009-05-18 | 2009-10-07 | 中铁隧道集团有限公司 | Concrete mixing proportion for deposition tube tunneltron segment |
| KR20120126626A (en) * | 2011-05-12 | 2012-11-21 | 김해곤 | Railroad Glory Tie |
| CN204080549U (en) * | 2014-07-22 | 2015-01-07 | 中国铁道科学研究院铁道建筑研究所 | Elastic sleeper |
| CN204825514U (en) * | 2015-07-21 | 2015-12-02 | 中国神华能源股份有限公司 | Elasticity sleeper |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908580A (en) * | 2016-05-31 | 2016-08-31 | 王翔 | High-strength and impact-resistant high-speed rail sleeper |
| CN109898369A (en) * | 2017-12-08 | 2019-06-18 | 洛阳兴隆新材料科技有限公司 | A kind of installation method for preventing sleeper from sliding |
| US11136724B2 (en) | 2018-05-31 | 2021-10-05 | China Academy Of Railway Sciences Corporaton Limited Railway Engineering Research Institute | Fiber-reinforced prestressed reinforced concrete sleeper |
| CN108660867A (en) * | 2018-07-26 | 2018-10-16 | 铁科腾跃科技有限公司 | A kind of compound type polyurethane sleeper pad and preparation method thereof |
| CN108660867B (en) * | 2018-07-26 | 2024-04-12 | 铁科腾跃科技有限公司 | Composite polyurethane sleeper pad and preparation method thereof |
| CN108755288A (en) * | 2018-08-17 | 2018-11-06 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of railway concrete sleeper bottom resilient sleeper-bearing |
| CN109235164A (en) * | 2018-10-26 | 2019-01-18 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of sleeper resilient sleeper-bearing connection structure |
| CN109235164B (en) * | 2018-10-26 | 2024-03-26 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Connecting structure for elastic backing plate of sleeper |
| CN111501426A (en) * | 2020-04-26 | 2020-08-07 | 中铁六局集团有限公司 | Construction method for bonding concrete elastic wide sleeper base plate |
| CN112030634A (en) * | 2020-08-03 | 2020-12-04 | 福建省泉州市华钻金刚石工具有限公司 | Grinding wheel for grinding sleeper |
| CN112030634B (en) * | 2020-08-03 | 2022-05-27 | 福建省泉州市华钻金刚石工具有限公司 | Grinding wheel for grinding sleeper |
| CN112538796A (en) * | 2020-11-30 | 2021-03-23 | 广州地铁设计研究院股份有限公司 | Elastic short sleeper rapid reconstruction method |
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