CN107805977A - Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit - Google Patents

Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit Download PDF

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Publication number
CN107805977A
CN107805977A CN201710764620.6A CN201710764620A CN107805977A CN 107805977 A CN107805977 A CN 107805977A CN 201710764620 A CN201710764620 A CN 201710764620A CN 107805977 A CN107805977 A CN 107805977A
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CN
China
Prior art keywords
bearing
elastic shoe
resilient sleeper
vibration
elastic
Prior art date
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Pending
Application number
CN201710764620.6A
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Chinese (zh)
Inventor
杜香刚
尤瑞林
王继军
肖俊恒
范佳
刘伟斌
赵勇
王梦
姜子清
刘海涛
方杭玮
李子睿
赵磊
施成
袁家钰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
China State Railway Group Co Ltd
Original Assignee
China Academy of Railway Sciences Corp Ltd CARS
Railway Engineering Research Institute of CARS
China Railway Corp
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Filing date
Publication date
Application filed by China Academy of Railway Sciences Corp Ltd CARS, Railway Engineering Research Institute of CARS, China Railway Corp filed Critical China Academy of Railway Sciences Corp Ltd CARS
Priority to CN201710764620.6A priority Critical patent/CN107805977A/en
Publication of CN107805977A publication Critical patent/CN107805977A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B19/00Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
    • E01B19/003Means for reducing the development or propagation of noise

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Railway Tracks (AREA)

Abstract

The invention provides the elastic shoe for non-fragment orbit and resilient sleeper-bearing component and non-fragment orbit, wherein, for the elastic shoe and resilient sleeper-bearing component of non-fragment orbit, including:Elastic shoe, the first vibration-proof structure is provided with elastic shoe, elastic shoe includes bottom plate and is arranged on two side plates of the both sides of bottom plate, and two side plates extend in the same side of bottom plate so that elastic shoe forms groove structure;Resilient sleeper-bearing, resilient sleeper-bearing are arranged on bottom plate and in groove structures.Technical scheme efficiently solves non-fragment orbit of the prior art amplitude and the problem of larger noise in vibration.

Description

Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit
Technical field
The present invention relates to the technical field of non-fragment orbit, in particular to a kind of elastic shoe for non-fragment orbit With resilient sleeper-bearing component and non-fragment orbit.
Background technology
The characteristics of structure of non-fragment orbit is with its high ride, high stability, high-durability and high reliability, it is that the world is each State's high-speed railway is received.With the fast development of China railways industry, the construction of China's non-fragment orbit and operation mileage are Occupy first place in the world, research and design, construction operation in ballastless track structure etc. have accumulated rich experiences.Wherein high-speed railway The non-fragment orbit pattern of use mainly includes the types of CRTS I, the plate-types of CRTS II, double-block type, the plate-types of CRTS III and switch area Long sleeper buried-type and plate-type ballastless track etc., current track structure have been mature on the whole, and gradually form generalized reference figure.
At present, domestic and international mixed passenger and freight railway and heavy haul railway mostly use Ballast track structure.On the one hand, domestic guest who is not a relative The conllinear railway of goods and heavy haul railway Ballast track are big with the increase year by year of freight volume, rail, welding point and track switch hurt quantity Width rises, and the increase of railway roadbed residual deformation, railway roadbed efflorescence is hardened, and orbit rigidity constantly increases, and exacerbates train to sub-rail foundation Destruction and the deterioration of circuit geometry state, form the vicious circle of track condition deterioration.On the other hand, with rate of traffic flow and load The raising of weight, the maintenance work of track is more frequent, but busy main line railway, and skylight encashment ratio is more and more lower, can be used for The time of domestic and international mixed passenger and freight railway and heavy haul railway maintenance is shorter, it is difficult to carries out on-call maintenance to diseases of railway line.Especially In major long tunnel, Ballast track structure supports that to repair operation more difficult for it.Therefore, mixed passenger and freight railway and heavy haul railway length are big In being proposed with ballastless track structure form in 1 kilometer of tunnel.It is domestic once to carry out theory for conventional ballastless track structure Analysis is calculated, and combines different track structure own characteristics and mixed passenger and freight railway and heavy haul railway operation condition integrate pair Than analysis.Think:(1) generally, on the premise of infrastructure meets non-fragment orbit construction conditions, various non-fragment orbits Structure may be applicable to mixed passenger and freight railway and heavily loaded iron by adjusting pattern size, reinforcement structure arrangement of reinforcement, lifting material property Road bearing requirements.(2) unit plate type ballastless track structure:Cement emulsified asphalt mortar under track plates, for mixed passenger and freight railway Still required study with the adaptability of the big axle heavy train operation condition of heavy haul railway, and consider track structure in tunnel construction just The professional and Technical Economy of profit, maintenance, do not have advantage using unit plate type ballastless track structure in tunnel.(3) Elastic bolster formula ballastless track structure has a small amount of laying on China's subway line, and foreign countries are also only in passenger traffic and metro operation circuit On carried out laying, accounted for mainly as the vibration-proof structure of urban track traffic, later stage elasticity bolster rubber dress boots easily by Dust pollution, maintenance difficulty are larger.(4) double-block type, long sleeper buried-type non-fragment orbit are cast-in-place pillow formula solid concrete roabed knot Structure, both stress systems are identical, and combination property is preferable, and have certain application experience in China's passenger-cargo co circuit, total at present Body use state is good, but all damping properties realize that difficulty is larger by fastener system.It is directed to China's passenger-cargo co iron Be badly in need of in road and heavy haul railway tunnel a kind of good applicability, good endurance, stronger recoverability, good workability and Economical rationality and the non-fragment orbit form with certain damping property.
Dust and moisture can be entered non-fragment orbit by the gap between road bed board and elastic bearing block assembly when in use Between road bed board and elastic bearing block assembly, the elasticity and stability of non-fragment orbit can be so influenceed.
The content of the invention
It is a primary object of the present invention to provide a kind of elastic shoe for non-fragment orbit and resilient sleeper-bearing component and nothing Tiny fragments of stone, coal, etc. track, to solve the problems, such as that non-fragment orbit of the prior art amplitude and noise in vibration are larger.
To achieve these goals, according to an aspect of the invention, there is provided a kind of resilient sleeve for non-fragment orbit Boots and resilient sleeper-bearing component, including:Elastic shoe, the first vibration-proof structure is provided with elastic shoe, elastic shoe includes bottom plate With two side plates of the both sides that are arranged on bottom plate, two side plates extend in the same side of bottom plate so that elastic shoe forms groove knot Structure;Resilient sleeper-bearing, resilient sleeper-bearing are arranged on bottom plate and in groove structures.
Further, the first vibration-proof structure is multiple vibration damping grooves and/or the setting being arranged on the surface of elastic shoe Vibration damping passage in elastic shoe.
Further, the first vibration-proof structure is the multiple vibration damping grooves being arranged on the surface of elastic shoe, and each vibration damping is recessed The bearing of trend of groove is identical with the bearing of trend of elastic shoe and/or the extension of the bearing of trend and elastic shoe of each vibration damping groove Direction is vertical.
Further, the first vibration-proof structure is the vibration damping passage being arranged in elastic shoe, the extension side of each vibration damping passage It is vertical with the bearing of trend of elastic shoe to the bearing of trend of identical with the bearing of trend of elastic shoe and/or each vibration damping passage.
Further, resilient sleeper-bearing is provided with the second vibration-proof structure.
Further, the second vibration-proof structure is the multiple vibration damping grooves being arranged on the surface of resilient sleeper-bearing, and each vibration damping is recessed The bearing of trend of groove is identical with the bearing of trend of elastic shoe and/or the extension of the bearing of trend and elastic shoe of each vibration damping groove Direction is vertical, and/or the second vibration-proof structure is the vibration damping passage being arranged in elastic shoe, the bearing of trend of each vibration damping passage with The bearing of trend of elastic shoe is identical and/or the bearing of trend of each vibration damping passage is vertical with the bearing of trend of elastic shoe.
Further, the first vibration-proof structure and the second vibration-proof structure intersect setting.
Further, elastic shoe and resilient sleeper-bearing are structure as a whole.
According to another aspect of the present invention, there is provided non-fragment orbit, including:Elastic shoe and resilient sleeper-bearing, elastic shoe For above-mentioned elastic shoe, resilient sleeper-bearing is above-mentioned resilient sleeper-bearing;Road bed board, road bed board have pockets;Rest pad, branch Supporting block is at least partially disposed in the groove structure that elastic shoe is formed and is located at resilient sleeper-bearing;Rail, rail pass through Fastener is removably disposed on rest pad.
Further, rest pad includes the first block and the second block, and the width of the first block is less than the width of pockets Degree, the width of the second block are more than the width of pockets, and the second block protrudes from the first block to form convex edge, the first block Higher than the height of pockets.
Apply the technical scheme of the present invention, elastic shoe is arranged on road bed board, and resilient sleeper-bearing is arranged on elastic shoe On bottom plate, rest pad is at least partially disposed in elastic shoe, and rail is arranged on rest pad, and is provided with resilient sleeper-bearing One vibration-proof structure, so when the vibration of rail is transferred on rest pad, the vibration of rest pad is transferred to resilient sleeper-bearing and resilient sleeve When on boots, elastic shoe and resilient sleeper-bearing have the function that buffering, vibration damping, so greatly reduce shaking for non-fragment orbit Dynamic level, reduces noise.Technical scheme efficiently solves non-fragment orbit of the prior art and shaken in vibration The problem of width and larger noise.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic cross-sectional view of the embodiment of the non-fragment orbit according to the present invention;
Fig. 2 shows the schematic top plan view of Fig. 1 non-fragment orbit;
Fig. 3 shows the structural representation of the elastic bearing block assembly of Fig. 1 non-fragment orbit;
Fig. 4 shows the schematic cross-sectional view of Fig. 3 elastic bearing block assembly;
Fig. 5 shows Fig. 1 elastic bearing block assembly and the close-up schematic view of road bed board;And
Fig. 6 shows the structural representation of the first vibration-proof structure of Fig. 1 non-fragment orbit.
Wherein, above-mentioned accompanying drawing marks including the following drawings:
10th, road bed board;20th, elastic bearing block assembly;21st, rest pad;211st, the first block;212nd, the second block;22nd, bullet Property gumshoe;23rd, resilient sleeper-bearing;30th, rail;40th, elastic sealing structure;100th, the first vibration-proof structure.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figures 1 to 6, a kind of elastic shoe and resilient sleeper-bearing component bag for non-fragment orbit of the present embodiment Include:Elastic shoe 22 and resilient sleeper-bearing 23.The first vibration-proof structure 100 is provided with elastic shoe 22, elastic shoe 22 includes bottom Plate and be arranged on bottom plate both sides side plate, two side plates bottom plate the same side extend so that elastic shoe 22 formed groove knot Structure.Resilient sleeper-bearing 23 is arranged on bottom plate and in groove structure.
Using the technical scheme of the present embodiment, elastic shoe 22 is arranged on road bed board 10, and resilient sleeper-bearing 23 is arranged on bullet On the bottom plate of property gumshoe 22, rest pad 21 is at least partially disposed in elastic shoe 22, and rail 30 is arranged on rest pad 21, The first vibration-proof structure 100 is provided with resilient sleeper-bearing 23, so when the vibration of rail 30 is transferred on rest pad 21, rest pad 21 Vibration when be transferred on resilient sleeper-bearing 23 and elastic shoe 22, elastic shoe 22 and resilient sleeper-bearing 23 have buffering, subtracted The effect shaken, the level of vibration of non-fragment orbit is so greatly reduced, reduces noise.The technical scheme of the present embodiment is effective Ground solves the problems, such as that non-fragment orbit of the prior art amplitude and noise in vibration are larger.
As shown in fig. 6, in the technical scheme of the present embodiment, the first vibration-proof structure 100 is to be arranged on elastic shoe 22 Multiple vibration damping grooves on surface and/or the vibration damping passage being arranged in elastic shoe 22.Said structure processing cost is relatively low, if Put conveniently.Specifically, the first vibration-proof structure 100 is to be arranged on multiple vibration damping grooves on the surface of elastic shoe 22, each vibration damping The bearing of trend of groove is identical with the bearing of trend of elastic shoe 22 and/or the bearing of trend of each vibration damping groove and elastic shoe 22 Bearing of trend it is vertical.Certainly, as one skilled in the art will appreciate that the first vibration-proof structure 100 is to be arranged on elastic shoe 22 Interior vibration damping passage, the bearing of trend of each vibration damping passage is identical with the bearing of trend of elastic shoe 22 and/or each vibration damping passage Bearing of trend is vertical with the bearing of trend of elastic shoe 22.Deformation and vibration damping groove of the said structure by elastic shoe 22 And/or vibration damping is realized in the deformation of vibration damping passage, such effectiveness in vibration suppression is preferable.Here it is worth noting that elastic shoe 22 Bearing of trend be the direction laid along road bed board 10 of elastic shoe 22.Elastic shoe is channel form solid rubber or micropore Rubber or microvoid polyurethane.Either microcellular rubber or microvoid polyurethane further increase rest pad to channel form solid rubber Elasticity between 21 and road bed board 10.
As shown in Figures 1 to 6, in the technical scheme of the present embodiment, resilient sleeper-bearing 23 is provided with the second vibration-proof structure.Bullet Property backing plate 23 setting on the one hand further increase elastic force between rest pad 21 and road bed board 10, another aspect said structure Can selectively it be changed when repairing and changing, in addition, the thickness size of resilient sleeper-bearing 23 can be adjusted as needed. Further, the setting of the second vibration-proof structure make it that the vibration damping of resilient sleeper-bearing 23, cushioning effect are more preferable.
As shown in Figures 1 to 6, in the technical scheme of the present embodiment, the second vibration-proof structure is to be arranged on resilient sleeper-bearing 23 Surface on multiple vibration damping grooves, the bearing of trend of each vibration damping groove is identical and/or each with the bearing of trend of elastic shoe 22 The bearing of trend of vibration damping groove is vertical with the bearing of trend of elastic shoe 22, and/or the second vibration-proof structure is to be arranged on resilient sleeve Vibration damping passage in boots 22, the bearing of trend of each vibration damping passage is identical with the bearing of trend of elastic shoe 22 and/or each vibration damping leads to The bearing of trend in road is vertical with the bearing of trend of elastic shoe 22.Resilient sleeper-bearing 23 is channel form solid rubber or microcellular rubber Or microvoid polyurethane.Either microcellular rubber or microvoid polyurethane further increase the He of rest pad 21 to channel form solid rubber Elasticity between road bed board 10.
In the technical scheme of the present embodiment, the first vibration-proof structure 100 and the second vibration-proof structure intersect setting.First Vibration-proof structure and the second vibration-proof structure, which intersect, is provided in such a structure that the ballastless track vibration-reducing effect of the present embodiment is preferable, and And first vibration-proof structure and the second vibration-proof structure be staggeredly also avoided that the stress concentration of resilient sleeper-bearing 23 and elastic shoe 22.
In the technical scheme of the present embodiment, elastic shoe 22 and resilient sleeper-bearing 23 are structure as a whole.The He of elastic shoe 22 Resilient sleeper-bearing 23 is formed in one structure.Certainly, as one skilled in the art will appreciate that elastic shoe 22 and resilient sleeper-bearing 23 are Bonded structure is also possible.
Present invention also provides a kind of non-fragment orbit to include:Road bed board 10, rest pad 21, rail 30, the and of elastic shoe 22 Resilient sleeper-bearing 23.Elastic shoe 22 is above-mentioned elastic shoe 22, and resilient sleeper-bearing 23 is above-mentioned resilient sleeper-bearing 23.Road bed board 10 With pockets.Rest pad 21 is at least partially disposed in the groove structure that elastic shoe 22 is formed and positioned at elasticity Backing plate 23.Rail 30 is removably disposed on rest pad 21 by fastener.Specifically, rest pad 21 includes the first block 211 With the second block 212, the width of the first block 211 is less than the width of pockets, and the width of the second block 212 is recessed more than accommodating The width of groove, the second block 212 protrude from the first block 211 to form convex edge, and the first block 211 is higher than the height of pockets Degree.
The non-fragment orbit of the present embodiment also includes elastic sealing structure 40, and elastic sealing structure is arranged on road bed board 10 and bullet Property supporting block assembly 20 (elastic bearing block assembly 20 herein includes rest pad 21, elastic shoe 22 and resilient sleeper-bearing 23) between Gap in, and the gap between road bed board 10 and elastic bearing block assembly is sealed, the impurity such as such dust or water Because stopping for elastic sealing structure 40 will not efficiently solve in the prior art into the inside of non-fragment orbit, said structure Non-fragment orbit be easily accessible impurity and influence the elasticity of non-fragment orbit and the problem of stability.The technical scheme of the present embodiment has Solve the problems, such as to effect that non-fragment orbit of the prior art is easily accessible impurity and influences the elasticity and stability of non-fragment orbit.
As shown in Figures 1 to 4, in the technical scheme of the present embodiment, the cross-sectional area of the first block 211 be it is trapezoidal, the The width at the top of one block 211 is more than the width of the bottom of the first block 211.Said structure causes the first block 211 entering appearance Receive groove when be easier, certainly, as one skilled in the art will appreciate that said structure cause the first block 211 remove hold Receive groove when be also easier.So facilitate being easily put between rest pad 21 and pockets and take out.
As shown in Figure 1 and Figure 5, in the technical scheme of the present embodiment, elastic sealing structure 40 is gasket structure, sealing Bar structure setting is between the convex edge of the second block 212 and road bed board 10.Said structure good sealing effect, it is less using material. Specifically, by polysulfide material, either silicone material or polyurethane material are made elastic sealing structure 40, can be prefabricated into during making Be bonded after type also can scene stir pearl adhering and sealing.The selection of so elastic sealing structure 40 is easier to, and cost is relatively low.
As depicted in figs. 1 and 2, in the technical scheme of the present embodiment, the pockets are two, the elastic bearing Block assembly is to be and the elastic bearing block assembly accordingly two with the pockets accordingly two, the rail It is individual.
The first block of rest pad 211 is up big and down small inverted trapezoidal, and rest pad 21, short sleeper are taken out during to repair in the future Its length, height, width, weight and the buried depth in railway roadbed can all answer user's request arbitrarily to adjust, to adapt to multi-form iron Requirement of the road track structure to sleeper strength and track structure stability;The upper and lower part of rest pad 21 has convex edge with waterproof Or other debris are directly penetrating the elastic shoe of rubber;Sleeper passes through built-in fitting (preburied iron base, sleeve pipe or other attachment means) It is connected with fastener system, improves ballastless track structure lateral bearing capacity;The support rail face of rest pad 21 is suitable for multi-form iron Road and different gradient is set, while be suitable for different fastener systems and the position limiting structures such as shoulder blocks be set, or be not provided with rubber under any rail The position limiting structure of rubber cushion plate, the spacing of rubber tie plate under rail are mainly provided by preburied iron base or other attachment means.It is pre- on sleeper Burying the center line of iron seat, sleeve pipe or other attachment means can overlap with short sleeper center line, or its center line is to short sleeper center 0~100mm or so is deviateed in line both sides (inner or outer side), further enhances the resistant to tipping ability of short sleeper;Rest pad 21 is except full Outside sufficient common railway, high-speed railway, subway and light rail, it is 30t and above heavy haul railway non-fragment orbit that can still meet Freight Car Axle Load Line requirements, and suitable for different gauges laying 60kg/m, 68kg/m, 75kg/m or other weight shaped steel rail.
Resilient sleeper-bearing 23 uses microporous foam structural shape.The common rubber of the generally use of resilient sleeper-bearing 23 in conventional main line railway Rubber cushion harden structure, by setting groove to provide elasticity in upper and lower surface, pollutant, which is easily accessible in groove, in operation influences bullet Property.
Elastic shoe 22 wraps up rest pad 21 and resilient sleeper-bearing 23, convenient construction and maintenance, allows rest pad 21 relative Microdisplacement occurs in road bed board 10;The elasticity of track lateral (horizontal and vertical) is provided, makes wheel track load can be longitudinally longer In the range of be distributed.
Rest pad 21, resilient sleeper-bearing 23, elastic shoe 22 form elastic bearing block assembly, and two row elastic bearing block assemblies are put Enter in template, casting concrete forms road bed board 10, road bed board 10 and elastic bearing block assembly composition integrative-structure.
After the solidification-stable of road bed board 10, sealing strip is set in the surrounding of rest pad 21, sealing strip is polysulfide material or silicone Material or polyurethane material etc. have the material of certain elasticity and sealing function, are contacted with rest pad 21, road bed board 10, by bullet Property gumshoe 22 exposed parts sealing, prevent that pollutant from entering elastic shoe 22, influence the elasticity of resilient sleeper-bearing 23, and then influence Integrally-built elastic performance and stability.Sealing strip does not interfere with rest pad 21 under stress with certain elasticity Horizontal and vertical displacement, it will not be easily damaged because of dynamic load.
In the range of tunnel portal 200m, road bed board 10 is by the way of block placement, apart from tunnel portal Road bed board 10, which is longitudinally continuous, beyond 200m scopes pours.When meeting tunnel structure movement joint, road bed board 10 is correspondingly arranged the wide horizontal strokes of 20mm To expansion joint, expansion joint center and movement joint center alignment.Suitably adjustment fastener node spacing makes expansion joint position before and after expansion joint Spacing center, fastener section (are made up of, similarly hereinafter) rest pad 21, elastic shoe 22, resilient sleeper-bearing 23 in elastic bearing block assembly 20 575~650mm of point spacing adjusting range.Filled polyethylene cystosepiment, upper strata perfusion resin waterproof filleting glue.Apart from tunnel portal Piecemeal road bed board in the range of 200m backfills layer with tunnel inverted arch or structure base slab is connected by embedded bar.Each elastic bearing One row's embedded bar is set in the spacing of block assembly 20,4 are often arranged, positioned at the spacing middle of elastic bearing block assembly 20.Pre-buried steel Muscle uses " L " shape, total height 400mm, wherein the length of implantation bottom tunnel structure is 200mm, exposed straight segment length Spend for 100mm.Away from tunnel portal be more than before and after 200m scope railway roadbeds expansion joint continuous placing road bed board end inverted arch backfill layer or Structure base slab is implanted into eight row's spirals, four is often arranged, positioned at the middle of elastic bearing block assembly 20.By the side for being implanted into reinforcing bar Formula makes road bed board 10 be connected positive integrative-structure with substructure, strengthens the globality of rail system, stability.
It is furnished with regular reinforcement in road bed board 10, reinforcing bar can use the measure such as resin steel bar or insulating coating, edge insulator, with full The technical requirements of sufficient insulation of track circuit.It is as an alternative to use regular reinforcement and prestress steel with particularly advantageous form The prestressed structure that muscle is combined, effectively it can prevent track plates from cracking.
The elastic supporting block assembly type ballastless track system of the application equally has well for curve and Vertical Curve Section Adaptability.The two row's elastic bearing block assemblies set above track plates, can be along longitudinal direction or horizontal, in the manufacturing process of road bed board 10 In be adjusted, this will be very beneficial for adaptability of the rail system in different line alignment locations.
In a kind of preferred embodiment, for 3 in Curve Segment, two row elastic bearing block assemblies 20 can be set along curve symmetric Put, now, the spacing between each elastic bearing block assembly in a row elastic bearing block assembly 20 is more than another row elasticity branch The spacing between each elastic bearing block assembly in supporting block component, so, do not influenceing to subtract on the premise of track is stable Lack the quantity of elastic bearing block assembly 20, and then save cost.
When road bed board 10 manufactures, according to the setting requirements of superrelation on curve, two rows that adjustment track plate top surface is set are elastic The height of the sum of block assembly 20 is supported, to realize the requirement of the change of 3 in Curve Segment superelevation and rail to adjustment, and later stage rail can be reduced The workload of road accurate adjustment.
Certainly, as one skilled in the art will appreciate that a row elastic bearing block assembly 20 and another row elastic supporting block group Gauge between part 20 is change.The use in part slacking of gauge location is suitable for this.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect:
Elastic shoe of the present invention, resilient sleeper-bearing can effectively improve the integral, flexible of track structure, and buffering train is logical Cross caused judder and impact, reduce to basis impact stress, reduce its level of vibration, concrete bearing block with Track plates flexibly combine.Isolate vehicle by when caused vibration and impact, while signal system is insulated.Can It is widely applied in high-speed railway, heavy haul railway, mixed passenger and freight railway and urban track traffic.
1st, elastic shoe and resilient sleeper-bearing can use the material systems such as elastomeric material, polyurethane material or thermoplastic elastomer (TPE) Make, good endurance, disclosure satisfy that the projected life of track structure.
2nd, elastic shoe and resilient sleeper-bearing can be deformed by microporous foam, groove compression, malformation etc. is special sets Count to provide reasonable elasticity.
3rd, elastic shoe and resilient sleeper-bearing can be assembled into elastic supporting block by adhesives and concrete bearing block, It can be assembled after integration production shaping with concrete bearing block.
4th, elastic shoe and resilient sleeper-bearing can be applied to heavy haul railway, high-speed railway, mixed passenger and freight railway and city rail Field of traffic.
5th, by using elastic shoe and resilient sleeper-bearing combining structure, the integral vibration damping of non-fragment orbit can further be improved Can, reduce basic stress level.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (10)

  1. A kind of 1. elastic shoe and resilient sleeper-bearing component for non-fragment orbit, it is characterised in that including:
    Elastic shoe (22), the first vibration-proof structure (100), elastic shoe (22) bag are provided with the elastic shoe (22) Include bottom plate and be arranged on the bottom plate both sides two side plates, described two side plates the bottom plate the same side extend so that The elastic shoe (22) forms groove structure;
    Resilient sleeper-bearing (23), the resilient sleeper-bearing (23) are arranged on the bottom plate and in the groove structures.
  2. 2. the elastic shoe and resilient sleeper-bearing component according to claim 1 for non-fragment orbit, it is characterised in that described First vibration-proof structure (100) is multiple vibration damping groove for being arranged on the surface of the elastic shoe (22) and/or is arranged on institute State the vibration damping passage in elastic shoe (22).
  3. 3. the elastic shoe and resilient sleeper-bearing component according to claim 2 for non-fragment orbit, it is characterised in that described First vibration-proof structure (100) is the multiple vibration damping grooves being arranged on the surface of the elastic shoe (22), and each vibration damping is recessed The bearing of trend of groove is identical with the bearing of trend of the elastic shoe (22) and/or the bearing of trend of each vibration damping groove and institute The bearing of trend for stating elastic shoe (22) is vertical.
  4. 4. the elastic shoe and resilient sleeper-bearing component according to claim 3 for non-fragment orbit, it is characterised in that described First vibration-proof structure (100) is to be arranged on vibration damping passage in the elastic shoe (22), the extension side of each vibration damping passage Bearing of trend and the elastic shoe to identical with the bearing of trend of the elastic shoe (22) and/or each vibration damping passage (22) bearing of trend is vertical.
  5. 5. the elastic shoe and resilient sleeper-bearing component according to claim 1 for non-fragment orbit, it is characterised in that described Resilient sleeper-bearing (23) is provided with the second vibration-proof structure.
  6. 6. the elastic shoe and resilient sleeper-bearing component according to claim 5 for non-fragment orbit, it is characterised in that described Second vibration-proof structure is the multiple vibration damping grooves being arranged on the surface of the resilient sleeper-bearing (23), and each vibration damping groove prolongs Stretch direction identical with the bearing of trend of the elastic shoe (22) and/or the bearing of trend of each vibration damping groove and the elasticity The bearing of trend of gumshoe (22) is vertical, and/or
    Second vibration-proof structure is to be arranged on vibration damping passage in the elastic shoe (22), the extension of each vibration damping passage Direction is identical with the bearing of trend of the elastic shoe (22) and/or the bearing of trend of each vibration damping passage and the resilient sleeve The bearing of trend of boots (22) is vertical.
  7. 7. the elastic shoe and resilient sleeper-bearing component according to claim 5 for non-fragment orbit, it is characterised in that described First vibration-proof structure (100) and second vibration-proof structure intersect setting.
  8. 8. the elastic shoe and resilient sleeper-bearing component according to any one of claim 1 to 7 for non-fragment orbit, it is special Sign is that the elastic shoe (22) and the resilient sleeper-bearing (23) are structure as a whole.
  9. A kind of 9. non-fragment orbit, it is characterised in that including:Elastic shoe (22) and resilient sleeper-bearing (23), the elastic shoe (22) elastic shoe (22) any one of claim 1 to 8, the resilient sleeper-bearing (23) are in claim 1 to 8 Resilient sleeper-bearing (23) described in any one;
    Road bed board (10), the road bed board (10) have pockets;
    Rest pad (21), the rest pad (21) are at least partially disposed on the groove knot that the elastic shoe (22) is formed Structure is interior and is located at the resilient sleeper-bearing (23);
    Rail (30), the rail (30) are removably disposed on the rest pad (21) by fastener.
  10. 10. non-fragment orbit according to claim 9, it is characterised in that the rest pad (21) includes the first block (211) With the second block (212), the width of first block (211) is less than the width of the pockets, second block (212) width be more than the pockets width, second block (212) protrude from first block (211) with Convex edge is formed, first block (211) is higher than the height of the pockets.
CN201710764620.6A 2017-08-30 2017-08-30 Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit Pending CN107805977A (en)

Priority Applications (1)

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CN108842522A (en) * 2018-06-06 2018-11-20 广州地铁设计研究院有限公司 A kind of prefabricated floating plate track of adjustable damping grade
CN109811595A (en) * 2019-03-26 2019-05-28 北京市市政工程设计研究总院有限公司 One kind can spell bomb disposal concrete sleeper and construction method
CN111218858A (en) * 2020-02-10 2020-06-02 中国铁道科学研究院集团有限公司铁道建筑研究所 Close-fitting type elastic curing track system

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CN205276064U (en) * 2015-11-26 2016-06-01 中铁第一勘察设计院集团有限公司 Short sleeper of elastic supporting block formula of cover high rubber overshoes
CN205934600U (en) * 2016-08-03 2017-02-08 中铁第五勘察设计院集团有限公司 Ballastless track elastic supporting block system
CN106400613A (en) * 2016-11-01 2017-02-15 中国铁道科学研究院铁道建筑研究所 Ballastless track
CN207176403U (en) * 2017-08-30 2018-04-03 中国铁道科学研究院铁道建筑研究所 Elastic shoe and resilient sleeper-bearing component and non-fragment orbit for non-fragment orbit

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EP1279769A2 (en) * 2001-07-26 2003-01-29 Patrick Vanhonacker Rail support device for railway track laid on ballast
CN201850471U (en) * 2010-10-11 2011-06-01 江阴海达橡塑股份有限公司 Shear-type elastic sleeper composite vibration absorber
CN204080553U (en) * 2014-09-02 2015-01-07 中铁第一勘察设计院集团有限公司 A kind of non-fragment orbit rest pad elastic shoe
CN205062580U (en) * 2015-10-13 2016-03-02 衡水众鑫工程橡塑有限公司 Elastic support structure for ballastless track is last
CN205276064U (en) * 2015-11-26 2016-06-01 中铁第一勘察设计院集团有限公司 Short sleeper of elastic supporting block formula of cover high rubber overshoes
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108842522A (en) * 2018-06-06 2018-11-20 广州地铁设计研究院有限公司 A kind of prefabricated floating plate track of adjustable damping grade
CN108842522B (en) * 2018-06-06 2023-11-24 广州地铁设计研究院股份有限公司 Prefabricated floating slab track with adjustable vibration reduction level
CN109811595A (en) * 2019-03-26 2019-05-28 北京市市政工程设计研究总院有限公司 One kind can spell bomb disposal concrete sleeper and construction method
CN111218858A (en) * 2020-02-10 2020-06-02 中国铁道科学研究院集团有限公司铁道建筑研究所 Close-fitting type elastic curing track system

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