CN203700878U - Vibration attenuation transition device applied to connection area of monolithic track bed and floating slab - Google Patents
Vibration attenuation transition device applied to connection area of monolithic track bed and floating slab Download PDFInfo
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- CN203700878U CN203700878U CN201320817533.XU CN201320817533U CN203700878U CN 203700878 U CN203700878 U CN 203700878U CN 201320817533 U CN201320817533 U CN 201320817533U CN 203700878 U CN203700878 U CN 203700878U
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Abstract
The utility model discloses a vibration attenuation transition device applied to the connection area of a monolithic track bed and a floating slab, and stable transition between the monolithic track bed and the floating slab is realized. In the vibration attenuation transition device applied to the connection area of the monolithic track bed and the floating slab, the vibration attenuation transition device adopts materials with the vibration attenuation characteristics; the vibration attenuation transition device is arranged in a connection area between the floating slab and a base; the bottom surface is contacted with the top surface of the base; the thickness of the vibration attenuation transition device is slightly bigger than a preset jacking gap before installation; after the vibration attenuation transition device is installed, the vibration attenuation transition device generates deformation, the thickness of the vibration attenuation transition device is equal to the jacking gap, and only tiny deformation is generated while big bearing force is provided by the device when a train passes through the track. When the vibration attenuation transition device disclosed by the utility model is applied, the safety and the operation stability of a track system can be improved, and track diseases can be avoided.
Description
Technical field
The utility model relates to vibration control technology, relates in particular to a kind of vibration damping transition apparatus that is applied to solid concrete roabed and floating plate join domain.
Background technology
In urban track traffic, in order effectively to reduce the vibration interference surrounding enviroment that produce when subway train moves, often adopt the impact on environment for reducing train vibration of steel spring floating slab technology.
Steel spring floating slab vibrating isolation system is by having certain mass concrete slab, and the steel spring vibration isolator with certain rigidity and damping forms.Steel spring floating slab is to connect train and basic elastic system, and steel spring vibration isolator is positioned in substrate, and concrete slab is upwards held up 30～40mm by steel spring vibration isolator, and steel rail laying is on concrete slab.
Steel spring vibration isolator comprises support original paper-steel spring and power consumption original paper damper two parts, steel spring supports the load of concrete slab and train effectively, the vibration that internally-damped structure can produce train is effectively converted into heat energy, reaches the object that reduces train vibration.
Fig. 1 is the rail system plan structure schematic diagram that existing solid concrete roabed combines with floating plate.
Fig. 2 is the A-A sectional structure schematic diagram based on Fig. 1.
Referring to Fig. 1 and Fig. 2, comprise two rail, in solid concrete roabed 01 side of every rail, be not provided with steel spring vibration isolator, between rail, sleeper and substrate, employing is rigidly connected; And in floating plate 02 side, for vibration isolation, between the adjacent sleeper 04 of laying, being provided with steel spring vibration isolator 05 on rail 03, steel spring vibration isolator 05 bottom surface is fixed in substrate 06, apical support floating plate 02.Between two rail, offer the gutter 07 for draining.
From above-mentioned, existing rail system, in the time that floating plate is connected with solid concrete roabed, in solid concrete roabed side, adopts and is rigidly connected between rail, sleeper and substrate due to solid concrete roabed, and coupling stiffness is larger; And in floating plate side, between floating plate and substrate, adopting steel spring vibration isolator to be connected, coupling stiffness is less.Like this, because floating plate rigidity and solid concrete roabed rigidity differ larger, track vehicle, for example,, when train passes through both join domains, in floating plate side, can produce larger Dynamic Subsidence amount, make rail and near fastener is stressed undergos mutation, rail and near fastener life-span are herein exerted an influence, reduced the application life of rail system; Meanwhile, the deflection causing in both sides due to train differs larger, has also affected the running stability of train.
Utility model content
Embodiment of the present utility model provides a kind of vibration damping transition apparatus that is applied to solid concrete roabed and floating plate join domain, promotes application life and the running stability of rail system.
For achieving the above object, a kind of vibration damping transition apparatus that is applied to solid concrete roabed and floating plate join domain that the utility model embodiment provides, this vibration damping transition apparatus adopts the material with damping behavior, described vibration damping transition apparatus is arranged in the join domain between floating plate and substrate, bottom surface contacts with the end face of substrate, the thickness of described vibration damping transition apparatus is slightly larger than the jacking gap setting in advance before installation, after installation, described vibration damping transition apparatus produces distortion, thickness equals jacking gap, train during by track described in vibration damping transition apparatus micro-strain is only provided when providing compared with large bearing capacity.
Preferably, described vibration damping transition apparatus line centered by track centerline, is symmetricly set in both sides.
Preferably, described vibration damping transition apparatus is single layer structure.
Preferably, described vibration damping transition apparatus comprises: top board, base plate and the first damping element, wherein,
Top board, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the first damping element;
Base plate, end face contacts with the bottom surface of the first damping element, and bottom surface contacts with the end face of substrate;
The first damping element, between top board and base plate, material is the material with damping behavior;
Top board and the first damping element and the first damping element and base plate, be all connected by bonding.
Preferably, the material of described top board and base plate is high durometer rubber.
Preferably, described vibration damping transition apparatus comprises: top board, base plate, the first damping element, the first junction plate and the second damping element, wherein,
Top board, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the second damping element;
Base plate, end face contacts with the bottom surface of the first damping element, and bottom surface contacts with the end face of substrate;
The first junction plate, end face contacts with the bottom surface of the second damping element, and bottom surface contacts with the end face of the first damping element;
Top board and the second damping element, the second damping element and the first junction plate, the first junction plate and the first damping element and, the first damping element and base plate, all by bonding be connected.
Preferably, described the first junction plate is metal sheet.
Preferably, the material of described the second damping element is elastomeric material or polyester material or polyurethane material, and the rigidity of described the second damping element is lower than the rigidity of the first damping element.
Preferably, described the second damping element adopts uniform filling mode to form a body member; Or,
Described the second damping element comprises: the first vibration damping layer and the second vibration damping layer, wherein,
The first vibration damping layer, adopts uniform filling mode, and bottom surface contacts with the end face of the first junction plate, and end face contacts with the bottom surface of the second vibration damping layer;
The second vibration damping layer, is provided with the damping column that multiple height do not wait, and the end face of highly the highest damping column contacts with the bottom surface of top board.
Preferably, described vibration damping transition apparatus comprises: top board, base plate, the first damping element, the first junction plate, the second damping element, the second junction plate and the 3rd damping element, wherein,
Top board, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the second damping element;
Base plate, end face contacts with the bottom surface of the first damping element, and bottom surface contacts with the end face of substrate;
The first junction plate, end face contacts with the bottom surface of the second damping element, and bottom surface contacts with the end face of the 3rd damping element;
The 3rd damping element, bottom surface contacts with the end face of the second junction plate;
The second junction plate, bottom surface contacts with the end face of the first damping element;
Top board and the second damping element, the second damping element and the first junction plate, the first junction plate and the 3rd damping element, the 3rd damping element and the second junction plate, the second junction plate and the first damping element and, the first damping element and base plate, be all connected by bonding.
Preferably, described the second junction plate is metal sheet.
Preferably, described the second damping element and the first damping element all adopt elastomeric material or polyester material or polyurethane material to carry out uniform filling formation; Or,
Described the second damping element comprises: the first vibration damping layer and the second vibration damping layer, wherein,
The first vibration damping layer, adopts uniform filling mode, and bottom surface contacts with the end face of the first junction plate, and end face contacts with the bottom surface of the second vibration damping layer;
The second vibration damping layer, is provided with the damping column that multiple height do not wait, and the end face of highly the highest damping column contacts with the bottom surface of top board;
The first damping element comprises: the 3rd vibration damping layer and the 4th vibration damping layer, wherein,
The 3rd vibration damping layer, adopts uniform filling mode, and end face contacts with the bottom surface of the second junction plate, and bottom surface contacts with the end face of the 4th vibration damping layer;
The 4th vibration damping layer, is provided with the damping column that multiple height do not wait, and damping column is fixed on the 4th vibration damping layer, and the end face of highly the highest damping column contacts with the end face of base plate.
Preferably, described vibration damping transition apparatus further comprises: for the Horizontal limiting element that prevents that vibration damping transition apparatus from sliding along rail bearing of trend, and, for the cross spacing element that prevents that vibration damping transition apparatus from sliding along the direction vertical with rail bearing of trend.
Preferably, described vibration damping transition apparatus further comprises that employing waterproof paint specially is applied in top board, junction plate and plate outer surface, forms the waterproofing course of accommodating top board, junction plate and base plate, and damping element side is coated with waterproofing course.
The material preferably, with vibration damping comprises: rubber, polyester, polyurethane, with the compound rubber of metal sheet, with the compound polyester of metal sheet and the polyurethane compound with metal sheet.
Preferably, described vibration damping transition apparatus at floating plate to the join domain between foundation bed.
As seen from the above technical solution, a kind of vibration damping transition apparatus that is applied to solid concrete roabed and floating plate join domain that the utility model embodiment provides, utilize between floating plate and substrate in the space arranging the space that steel spring vibration isolator takies, vibration damping transition apparatus is set, promote the rigidity of floating plate plate end, reduce the Dynamic Subsidence amount of floating plate, it is more steady when train is passed through, realize the smooth transition of solid concrete roabed rigidity and floating plate rigidity, thereby reduce rail and fastener is stressed, extend the application life of rail and fastener, thereby promote application life and the running stability of rail system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described.Apparently, the accompanying drawing in below describing is only embodiment more of the present utility model, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the rail system plan structure schematic diagram that existing solid concrete roabed combines with floating plate.
Fig. 2 is the A-A sectional structure schematic diagram based on Fig. 1.
Fig. 3 is the rail system plan structure schematic diagram that the utility model embodiment solid concrete roabed combines with floating plate.
Fig. 4 is the A-A sectional structure schematic diagram based on Fig. 3.
Fig. 5 is the vibration damping transition apparatus structural representation that the utility model the first embodiment is applied to solid concrete roabed and floating plate join domain.
Fig. 6 is the vibration damping transition apparatus structural representation that the utility model the second embodiment is applied to solid concrete roabed and floating plate join domain.
Fig. 7 is the vibration damping transition apparatus structural representation of the utility model the 3rd embodiment solid concrete roabed and floating plate join domain.
Fig. 8 is the vibration damping transition apparatus structural representation that the utility model the 4th embodiment is applied to solid concrete roabed and floating plate join domain.
Fig. 9 is the vibration damping transition apparatus structural representation that the utility model the 5th embodiment is applied to solid concrete roabed and floating plate join domain.
The specific embodiment
Below with reference to accompanying drawing, the technical scheme of the each embodiment of the utility model is carried out to clear, complete description, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope that the utility model is protected.
Existing rail system, the region that is connected at floating plate with solid concrete roabed, adopts and is rigidly connected between rail, sleeper and substrate due to solid concrete roabed side, and coupling stiffness is larger; And between the floating plate of floating plate side and substrate, adopting the steel spring vibration isolator with noise reduction vibration isolation to be connected, coupling stiffness is less.While making train pass through both join domains, produce larger Dynamic Subsidence amount in floating plate side, make rail and near fastener stressed larger, rail and near fastener life-span are herein exerted an influence, reduced the application life of rail system; Meanwhile, the difference of deflection has also affected the running stability of train.
Existing rail system, construction adopts the mode overlaying to carry out conventionally.When construction, first build substrate, then carry out floating plate construction.Floating plate construction conventionally adopts tool track and adjusts track circuit physical dimension with the rail bracing frame that floating plate form of fracture adapts, button accessory type, standard is identical with common solid concrete roabed circuit, and orbit adjusting rear railway roadbed concrete in place adopts the mode of site pumping to build.Between floating plate and substrate, lay separation layer, separation layer is for separating substrate and floating plate, so that the jacking of later stage floating plate.Jacking is operated in concrete floating plate and has built after 28 days and carry out, and after jacking, fixes steel spring vibration isolator in the space of jacking.For guaranteeing the globality of floating plate, the every necessary disposal pouring of floating plate is complete, between floating plate and floating plate, is connected by shear hinge, and floating plate seam is constuction joint.
Thereby in the space forming in floating plate and substrate, except arranging the space that steel spring vibration isolator takies, other space is not used effectively.In the utility model embodiment, in order effectively to promote the rigidity of solid concrete roabed and floating plate join domain floating plate side, dwindle the poor rigidity of floating plate rigidity and solid concrete roabed rigidity, reduce train by time the floating plate Dynamic Subsidence amount that causes, make rail and near fastener stressed more even, consider to utilize between floating plate and substrate in the space arranging the space that steel spring vibration isolator takies, vibration damping transition apparatus is set, to increase the rigidity of solid concrete roabed and floating plate join domain.
Fig. 3 is the rail system plan structure schematic diagram that the utility model embodiment solid concrete roabed combines with floating plate.
Fig. 4 is the A-A sectional structure schematic diagram based on Fig. 3.
Referring to Fig. 3 and Fig. 4, take a track as example, rail system is provided with two rail, every rail is connected to form by solid concrete roabed 01 and floating plate 02, in solid concrete roabed 01 side, due to the consideration of track construction, be not provided with steel spring vibration isolator, between rail, sleeper and substrate, employing is rigidly connected; And in floating plate 02 side, floating plate 02 is placed in sleeper 04 time, for noise reduction vibration isolation, between the adjacent sleeper 04 of laying on rail 03, be provided with steel spring vibration isolator 05, steel spring vibration isolator 05 bottom surface is fixed in substrate 06, apical support floating plate 02, between solid concrete roabed 01 and the floating plate 02 and substrate 06 of floating plate 02 join domain, be also provided with vibration damping transition apparatus 08.Between two rail, offer the gutter 07 for draining.
In the utility model embodiment, the bottom surface of vibration damping transition apparatus 08 contacts with the end face of substrate 06, and end face can contact with the bottom surface of floating plate 02.Vibration damping transition apparatus should be slightly larger than jacking gap before installing, and after installing, produces certain decrement, and thickness equals jacking gap.Jacking gap is that floating plate installs additional after spring vibration isolation device jacking, the height that floating plate floats from substrate.
In practical application, as long as guarantee that, in the time that track vehicle passes through track, vibration damping transition apparatus 08 can produce distortion with steel spring vibration isolator 05.Be that the thickness of vibration damping transition apparatus 08 is between the first thickness and the second thickness, wherein, the first thickness is floating plate levitation height and the difference of the first threshold setting in advance, described the second thickness be floating plate levitation height with the Second Threshold setting in advance and value, this first threshold and Second Threshold can be determined according to actual needs.
In practical application, first threshold is less than train when the track of steel spring vibration isolator is only installed, the deflection of the steel spring vibration isolator causing.Second Threshold is less than train when the track of vibration damping transition apparatus is only installed, the deflection of the vibration damping transition apparatus causing.Vibration damping transition apparatus can the direction along floating plate to steel spring vibration isolator extend in join domain.Preferably, vibration damping transition apparatus at floating plate to the join domain between steel spring vibration isolator.
Preferably, vibration damping transition apparatus 08 is single layer structure, material be rubber, polyester, polyurethane, with the compound rubber of metal sheet, with the compound polyester of metal sheet and the polyurethane compound with metal sheet.Certainly, in practical application, as long as the material of vibration damping transition apparatus 08 can have the characteristic of vibration damping.
In the utility model embodiment, the shape of vibration damping transition apparatus 08 can be polygon and the irregular polygon of square, circular, triangle, rule.
Certainly,, in practical application, vibration damping transition apparatus 08 can be also sandwich construction.
Preferably, be laid with one or more vibration damping transition apparatus under each rail, the vibration damping transition apparatus of laying under two rail on each track is with respect to track centerline symmetry.Be vibration damping transition apparatus line centered by track centerline, symmetry is laid in the join domain of both sides solid concrete roabed and floating plate.
Fig. 5 is the vibration damping transition apparatus structural representation that the utility model the first embodiment is applied to solid concrete roabed and floating plate join domain.Referring to Fig. 5, this vibration damping transition apparatus comprises: top board 11, base plate 12 and the first damping element 13.
Top board 11, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the first damping element 13;
Base plate 12, end face contacts with the bottom surface of the first damping element 13, and bottom surface contacts with the end face of substrate;
The first damping element 13, between top board 11 and base plate 12, material is the material with vibration damping, noise reduction performance;
Top board 11 and the first damping element 13 and the first damping element 13 and base plate 12, be all connected by bonding.
In the utility model embodiment, the material of top board and base plate can be the material that is similar to hard rubber, for example, rubber higher hardness can be carried out to the high durometer rubber forming after inner sulfuration.Preferably, can also in the rubber after sulfuration, lay nylon fiber net,, lear energy wear-resisting to increase, and produce larger frictional force, and effective waterproof.Certainly,, in practical application, top board and base plate can also adopt friction factor greatly and abrasion resistance other material preferably.Like this, top board and base plate can be respectively produce larger frictional force with the concrete contacting, thereby the horizontal direction that can limit concrete floating plate moves, and can tear-proof.
The first damping element is the vibration damping transition apparatus of aforementioned single layer structure, and material can be for having vibration damping, noise reduction and certain flexible elastomeric material or polyester material or polyurethane material.Like this, in the time that train passes through, can produce certain decrement, to improve the rigidity of floating plate end, make solid concrete roabed comparatively steady to the rigidity transition of floating plate end, thereby for train provides bearing capacity, reduce distortion or the Dynamic Subsidence amount of floating plate end.
Fig. 6 is the vibration damping transition apparatus structural representation that the utility model the second embodiment is applied to solid concrete roabed and floating plate join domain.Referring to Fig. 6, this vibration damping transition apparatus comprises: top board 11, base plate 12, the first damping element 13, the first junction plate 14 and the second damping element 15.
Top board 11, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the second damping element 15;
Base plate 12, end face contacts with the bottom surface of the first damping element 13, and bottom surface contacts with the end face of substrate;
The first junction plate 14, end face contacts with the bottom surface of the second damping element 15, and bottom surface contacts with the end face of the first damping element 13;
Top board 11 and the second damping element 15, the second damping element 15 and the first junction plate 14, the first junction plate 14 and the first damping element 13 and, the first damping element 13 and base plate 12, all by bonding connected.
In the utility model embodiment, the material of the second damping element can, for having vibration damping and certain flexible elastomeric material or polyester material or polyurethane material, adopt uniform filling mode.Preferably, the rigidity of the second damping element is lower than the rigidity of the first damping element, like this, even if the out-of-flatness of floating plate bottom surface also can make top board contact closely with floating plate.
The first junction plate can be metal sheet.
Preferably, the second damping element 15 and the first junction plate 14, the first junction plate 14 and the first damping element 13, can be undertaken bonding by special glue.Also can be undertaken by vulcanization bondingly, be about to the second damping element 15, the first junction plate 14 and vulcanize and be integrated with the first damping element 13.
Certainly,, in practical application, also the second damping element 15 can be designed to nonlinear vibration-proof structure.
Fig. 7 is the vibration damping transition apparatus structural representation that the utility model the 3rd embodiment is applied to solid concrete roabed and floating plate join domain.Referring to Fig. 7, different from Fig. 6, the second damping element 15 adopts non-homogeneous filling mode, and the second damping element 15 is divided into again the first vibration damping layer 151 and the second vibration damping layer 152.
The first vibration damping layer 151, adopts uniform filling mode, and bottom surface contacts with the end face of the first junction plate 14, and end face contacts with the bottom surface of the second vibration damping layer 152;
The second vibration damping layer 152, is provided with the damping column 153 that multiple height do not wait, and the end face of highly the highest damping column contacts with the bottom surface of top board 11.
Like this, by the mode of uniform filling, can provide compared with large bearing capacity; And by the damping column just not waiting is set, adopt the frame mode of boss, non-linear rigidity curve can be provided.Further, rigidity is non-linear, has certain decrement when static load, can guarantee to be connected with concrete floating plate closely knit, train by time larger bearing capacity and less dynamic compression amount can be provided, can guarantee that concrete floating plate Dynamic Subsidence amount is less.
Fig. 8 is the vibration damping transition apparatus structural representation that the utility model the 4th embodiment is applied to solid concrete roabed and floating plate join domain.Referring to Fig. 8, this vibration damping transition apparatus comprises: top board 11, base plate 12, the first damping element 13, the first junction plate 14, the second damping element 15, the second junction plate 16 and the 3rd damping element 17.
Top board 11, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the second damping element 15;
Base plate 12, end face contacts with the bottom surface of the first damping element 13, and bottom surface contacts with the end face of substrate;
The first junction plate 14, end face contacts with the bottom surface of the second damping element 15, and bottom surface contacts with the end face of the 3rd damping element 17;
The 3rd damping element 17, bottom surface contacts with the end face of the second junction plate 16;
The second junction plate 16, bottom surface contacts with the end face of the first damping element 13;
The second damping element 15 and the 3rd damping element 17 all adopt elastomeric material or polyurethane material to carry out uniform filling formation;
Top board 11 and the second damping element 15, the second damping element 15 and the first junction plate 14, the first junction plate 14 and the 3rd damping element 17, the 3rd damping element 17 and the second junction plate 16, the second junction plate 16 and the first damping element 13 and, the first damping element 13 and base plate 12, is all connected by bonding.
In the utility model embodiment, the second junction plate can be metal sheet.
Preferably, the second damping element 15 and the first junction plate 14, the first junction plate 14 and the 3rd damping element 17, the 3rd damping element 17 and the second junction plate 16 and the second junction plate 16 and the first damping element 13, can be undertaken bonding by special glue.Also can be undertaken by vulcanization bondingly, be about to the second damping element 15, the first junction plate 14, the 3rd damping element 17, the second junction plate 16 and vulcanize and be integrated with the first damping element 13.
Certainly,, in practical application, also the second damping element 15 and the 3rd damping element 17 all can be designed to nonlinear vibration-proof structure.
Fig. 9 is the vibration damping transition apparatus structural representation that the utility model the 5th embodiment is applied to solid concrete roabed and floating plate join domain.Referring to Fig. 9, different from Fig. 8, the second damping element 15 and the first damping element 13 all adopt non-homogeneous filling mode.
The second damping element 15 comprises: the first vibration damping layer 151 and the second vibration damping layer 152, wherein,
The first vibration damping layer 151, adopts uniform filling mode, and bottom surface contacts with the end face of the first junction plate 14, and end face contacts with the bottom surface of the second vibration damping layer 152;
The second vibration damping layer 152, is provided with the damping column 153 that multiple height do not wait, and the end face of highly the highest damping column contacts with the bottom surface of top board 11;
The 3rd damping element 13 comprises: the 3rd vibration damping layer 131 and the 4th vibration damping layer 132, wherein,
The 3rd vibration damping layer 131, adopts uniform filling mode, and end face contacts with the bottom surface of the second junction plate 16, and bottom surface contacts with the end face of the 4th vibration damping layer 132;
The 4th vibration damping layer 132, is provided with the damping column 133 that multiple height do not wait, and damping column 133 is fixed on the 4th vibration damping layer 132, and the end face of highly the highest damping column contacts with the end face of base plate 12.
In practical application, for the vibration damping transition apparatus of the first embodiment to the five embodiment and individual layer, preferably, this vibration damping transition apparatus can further include: Horizontal limiting element and cross spacing element (not shown).
Horizontal limiting element, for preventing that vibration damping transition apparatus from sliding along rail bearing of trend;
Cross spacing element, for preventing that vibration damping transition apparatus from sliding along the direction vertical with rail bearing of trend.
In the utility model embodiment, Horizontal limiting element can be rubber block, block is placed between floating plate and solid concrete roabed in gap, and in ditch, and vibration absorber is connected therewith, avoid the level of vibration damping transition apparatus and laterally slide thereby realize, avoid the dislocation of vibration damping transition apparatus, be shifted along substrate, result of use is reduced.
Preferably, this vibration damping transition apparatus can further include:
Waterproofing course (not shown), adopts waterproof paint specially to be applied in top board, junction plate and plate outer surface, forms the coating of accommodating (sealing) top board, junction plate and base plate.
In the utility model embodiment, because ozone is to rubber, water may produce certain impact to polyurethane.Like this, smearing after waterproofing course, waterproofing course can play waterproof, acid and alkali-resistance, inhibition ozone texts.
Below the vibration damping transition apparatus mounting method of the utility model embodiment is described:
For the situation that offers gutter, vibration damping transition apparatus can be by installing with the gutter of solid concrete roabed joint, the space forming by steel spring vibration isolator, jacking floating plate plate end, install height adjusting cushion plate additional and make floating plate plate end floating, pass through again gutter, in the space of jacking, install vibration damping transition apparatus additional, install additional after vibration damping transition apparatus completing, jacking floating plate plate end, removes the height adjusting cushion plate newly installing additional, slowly falls floating plate plate end, make the floating plate plate side pressure falling live vibration damping transition apparatus, vibration damping transition apparatus is so far installed complete.
For the situation that does not offer gutter, vibration damping transition apparatus can be installed by dismounting steel spring vibration isolator: the space forming by steel spring vibration isolator, jacking floating plate plate end, on steel spring vibration isolator, install height adjusting cushion plate additional, make floating plate plate end floating, then, remove steel spring vibration isolator of outermost, the space forming by the steel spring vibration isolator of removing, install vibration damping transition apparatus additional, install additional after vibration damping transition apparatus completing, reinstall again the steel spring vibration isolator of dismounting, afterwards, jacking floating plate plate end, remove the height adjusting cushion plate newly installing additional, slowly fall floating plate plate end, make the floating plate plate side pressure falling live vibration damping transition apparatus.Adopt same method that the vibration damping transition apparatus of opposite side is installed.
From above-mentioned, the vibration damping transition apparatus of the utility model embodiment solid concrete roabed and floating plate join domain, in floating plate side, the spatial arrangement vibration damping transition apparatus that utilizes steel spring vibration isolator to form, because vibration damping transition apparatus has certain bearing capacity, train by time can produce less distortion, and can provide compared with large bearing capacity, thereby promote the rigidity of floating plate plate end, effectively dwindle the poor rigidity of floating plate rigidity and solid concrete roabed rigidity, realize the smooth transition of solid concrete roabed rigidity and floating plate rigidity, make the floating plate of little rigidity can realize with the solid concrete roabed of large rigidity the smooth transition of rigidity, simultaneously, vibration damping transition apparatus can be installed in existing floating plate, also can install additional newly-built floating plate, thereby reduce the Dynamic Subsidence amount of floating plate, more steady when train is passed through, thus rail reduced and fastener is stressed, extend the application life of rail and fastener, thereby promote application life and the running stability of rail system, and cost is low, further, can be by installing vibration damping transition apparatus additional with the existing similar method of steel spring vibration isolator that installs additional, or install vibration damping transition apparatus additional by the method for dismounting steel spring vibration isolator, implementation method is simple.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if of the present utility model these are revised and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also comprises these changes and modification interior.
Claims (10)
1. one kind is applied to the vibration damping transition apparatus of solid concrete roabed and floating plate join domain, it is characterized in that, this vibration damping transition apparatus adopts the material with damping behavior, described vibration damping transition apparatus is arranged in the join domain between floating plate and substrate, bottom surface contacts with the end face of substrate, and the thickness of described vibration damping transition apparatus is greater than the jacking gap setting in advance before installation, after installation, described vibration damping transition apparatus produces distortion, and thickness equals jacking gap.
2. vibration damping transition apparatus according to claim 1, is characterized in that, described vibration damping transition apparatus line centered by track centerline, is symmetricly set in both sides.
3. vibration damping transition apparatus according to claim 2, is characterized in that, described vibration damping transition apparatus is single layer structure.
4. vibration damping transition apparatus according to claim 2, is characterized in that, described vibration damping transition apparatus comprises: top board, base plate and the first damping element, wherein,
Top board, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the first damping element;
Base plate, end face contacts with the bottom surface of the first damping element, and bottom surface contacts with the end face of substrate;
The first damping element, between top board and base plate, material is the material with damping behavior;
Top board and the first damping element and the first damping element and base plate, be all connected by bonding.
5. vibration damping transition apparatus according to claim 4, is characterized in that, the material of described top board and base plate is high durometer rubber.
6. vibration damping transition apparatus according to claim 2, is characterized in that, described vibration damping transition apparatus comprises: top board, base plate, the first damping element, the first junction plate and the second damping element, wherein,
Top board, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the second damping element;
Base plate, end face contacts with the bottom surface of the first damping element, and bottom surface contacts with the end face of substrate;
The first junction plate, end face contacts with the bottom surface of the second damping element, and bottom surface contacts with the end face of the first damping element;
Top board and the second damping element, the second damping element and the first junction plate, the first junction plate and the first damping element and, the first damping element and base plate, all by bonding be connected.
7. vibration damping transition apparatus according to claim 6, it is characterized in that, described the first junction plate is metal sheet, and the material of described the second damping element is elastomeric material or polyester material or polyurethane material, and the rigidity of described the second damping element is lower than the rigidity of the first damping element.
8. vibration damping transition apparatus according to claim 2, is characterized in that, described vibration damping transition apparatus comprises: top board, base plate, the first damping element, the first junction plate, the second damping element, the second junction plate and the 3rd damping element, wherein,
Top board, end face contacts with the bottom surface of floating plate, and bottom surface contacts with the end face of the second damping element;
Base plate, end face contacts with the bottom surface of the first damping element, and bottom surface contacts with the end face of substrate;
The first junction plate, end face contacts with the bottom surface of the second damping element, and bottom surface contacts with the end face of the 3rd damping element;
The 3rd damping element, bottom surface contacts with the end face of the second junction plate;
The second junction plate, bottom surface contacts with the end face of the first damping element;
Top board and the second damping element, the second damping element and the first junction plate, the first junction plate and the 3rd damping element, the 3rd damping element and the second junction plate, the second junction plate and the first damping element and, the first damping element and base plate, be all connected by bonding.
9. vibration damping transition apparatus according to claim 8, is characterized in that, described the second junction plate is metal sheet, and described the second damping element and the first damping element all adopt elastomeric material or polyester material or polyurethane material to carry out uniform filling formation; Or,
Described the second damping element comprises: the first vibration damping layer and the second vibration damping layer, wherein,
The first vibration damping layer, adopts uniform filling mode, and bottom surface contacts with the end face of the first junction plate, and end face contacts with the bottom surface of the second vibration damping layer;
The second vibration damping layer, is provided with the damping column that multiple height do not wait, and the end face of highly the highest damping column contacts with the bottom surface of top board;
The first damping element comprises: the 3rd vibration damping layer and the 4th vibration damping layer, wherein,
The 3rd vibration damping layer, adopts uniform filling mode, and end face contacts with the bottom surface of the second junction plate, and bottom surface contacts with the end face of the 4th vibration damping layer;
The 4th vibration damping layer, is provided with the damping column that multiple height do not wait, and damping column is fixed on the 4th vibration damping layer, and the end face of highly the highest damping column contacts with the end face of base plate.
10. according to the vibration damping transition apparatus described in claim 1 to 9 any one, it is characterized in that, described vibration damping transition apparatus further comprises: for preventing that vibration damping transition apparatus is along the Horizontal limiting element of rail bearing of trend slip, for preventing the cross spacing element that vibration damping transition apparatus slides along the direction vertical with rail bearing of trend and adopting water-repellent paint to be applied in top board, junction plate and plate outer surface, form the waterproofing course of accommodating top board, junction plate and base plate, damping element side is coated with waterproofing course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817533.XU CN203700878U (en) | 2013-12-11 | 2013-12-11 | Vibration attenuation transition device applied to connection area of monolithic track bed and floating slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320817533.XU CN203700878U (en) | 2013-12-11 | 2013-12-11 | Vibration attenuation transition device applied to connection area of monolithic track bed and floating slab |
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| CN203700878U true CN203700878U (en) | 2014-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258200A (en) * | 2019-06-06 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure |
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2013
- 2013-12-11 CN CN201320817533.XU patent/CN203700878U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258200A (en) * | 2019-06-06 | 2019-09-20 | 中铁第四勘察设计院集团有限公司 | Rail system containing vibration-damping ballast and common railway roadbed and fastener stiffness transition structure |
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Address after: 102402 No.32, Guangmao Road, Doudian Town, Fangshan District, Beijing Patentee after: Beijing Jiuzhou first rail Environmental Technology Co.,Ltd. Address before: 100070, Fengtai District Science City, Spark Road 11, 6 blocks A, Beijing Office Park Patentee before: BEIJING JIUZHOUYIGUI SHOCK AND VIBRATION ISOLATION Co.,Ltd. |
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