CN106930159B - Vibration damping rank type variable railway roadbed and its application method - Google Patents
Vibration damping rank type variable railway roadbed and its application method Download PDFInfo
- Publication number
- CN106930159B CN106930159B CN201710322387.6A CN201710322387A CN106930159B CN 106930159 B CN106930159 B CN 106930159B CN 201710322387 A CN201710322387 A CN 201710322387A CN 106930159 B CN106930159 B CN 106930159B
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- Prior art keywords
- track plates
- railway roadbed
- vibration damping
- type variable
- elastic
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/06—Height or lateral adjustment means or positioning means for slabs, sleepers or rails
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/09—Ballastless systems
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/12—Floating rails or sleepers
Abstract
The invention belongs to the vibration of rail traffic and field of noise control more particularly to a kind of vibration damping rank type variable railway roadbeds and its application method.The present invention includes track plates, rail and fastener system are arranged on track plates, independent space compensation pad is set between track plates and substrate, plate body lifting structure is additionally provided on track plates, wherein track plates are cast in situs manufacture, separation layer is set between track plates and space compensation pad, the material for constituting separation layer includes plastic foil, fabric, paper or release agent, and plate body lifting structure includes the lifting anchoring piece being arranged on track plates or lifting recessing groove or/and joint sheeve.Compared with prior art, the present invention is suitable for multiple types damped products, can conveniently realize the vibration damping rank type variable railway roadbed that the ballast bed structure of different vibration damping ranks is mutually converted according to actual needs.
Description
Technical field
The invention belongs to the vibrations of rail traffic and field of noise control more particularly to one kind to change vibration isolation with can be convenient
The slab track ballast bed structure of form.
Background technique
In recent years, with the rapid development of China's rail traffic, rail traffic has gradually entered into our life.Track is handed over
Lead to while providing quick, safe trip to us, the vibration and noise problem generated is also serious to affect periphery
The quality of life of resident jeopardizes the safety of neighboring buildings, meanwhile, to the stability of rail traffic itself, safety and use the longevity
Life etc. also brings many adverse effects.Therefore, try to reduce track vibration and noise, improve the association of itself and nature and living environment
Tune relationship, become rail traffic can sustainable development key.It is found in practice, due to complex geologic conditions, Planning changes etc.
The case where reason causes the original vibration control measure of rail traffic to be unable to reach expected environmental impact assessment target happens occasionally, but existing each
Mounting condition, the outer dimension of kind railway roadbed damped products etc. are widely different, can not subtract conveniently by replacement damped products realization
Vibration means upgrade, and cannot change vibration damping rank as needed between the ballast bed structure of various difference vibration damping ranks, build again not
Only cost is huge, and construction period is very long, seriously affects operation, because these difficult presence, often result in and disturb residents
The case where cannot slowly being solved after problem, therefore caused many environmental protection and complained.
Summary of the invention
It is an object of the invention to overcome drawbacks described above, one kind is provided and is suitable for multiple types damped products, it being capable of basis
Actual needs conveniently realizes the vibration damping rank type variable railway roadbed that the ballast bed structure of different vibration damping ranks is mutually converted.
Vibration damping rank type variable railway roadbed of the present invention is achieved in that, including track plates, rail and fastener system setting exist
Independent space compensation pad is set on track plates, between track plates and substrate, is additionally provided with plate body lifting structure on track plates.
Wherein, described " independent " meaning refers to that space compensation pad and substrate and track plates are not fixed together.
When track plates are that cast in situs manufactures, separation layer is set between track plates and cushion blocking.Can be used for constitute every
The material of absciss layer includes plastic foil, fabric, paper or release agent etc..
The structure type of the plate body lifting structure is varied, specifically include the lifting anchoring piece being arranged on track plates,
Or lifting recessing groove or/and joint sheeve etc..
In addition, it is mobile in order to limit the horizontal relative position occurred between track plates and substrate, between track plates and substrate
It is also provided with limiting device, the structure of the limiting device can be varied, for example, limiting device can be fixed setting
Locating part in substrate, locating part are disposed longitudinally on track plates two sides along rail, and buffering is arranged between locating part and track plates
Pad；Limiting device is also possible to the positive stop lug boss of track plates portion integralization setting, in corresponding substrate setting limiting groove with
Positive stop lug boss cooperation；Limiting device can also be the positive stop lug boss of integrated setting in substrate.Wherein, when positive stop lug boss and substrate
When integrated setting, the positive stop lug boss can be disposed longitudinally on track plates two sides along rail；Or the positive stop lug boss setting
Limiting groove is arranged below track plates, on corresponding track plates to cooperate with it；Or positive stop lug boss is arranged in adjacent orbit plate
Between, limiting groove is respectively set on corresponding adjacent orbit plate and positive stop lug boss cooperates, is set between positive stop lug boss and track plates
Set cushion.
Second object of the present invention is to provide a kind of above-mentioned vibration damping rank type variable railway roadbed, and to be changed into elastic cushion floating
The method of railway roadbed, includes the following steps:
(1) track plates are lifted by plate body lifting structure using tool；
(2) it according to design requirement, extracts the space compensation pad of suitable thickness out, is packed into elastic cushion；
(3) track plates are fallen again and is placed on elastic cushion, and the position of calibration track plates；
(4) it after being respectively provided with elastic cushion below all track plates according to the method described above, retightens rail and adjusts rail top
Highly, that is, it is floating ballast bed to constitute the elastic cushion.
It should be pointed out that working as limiting device in vibration damping rank type variable railway roadbed is the limit being fixed in substrate
Part includes the following steps: when locating part is disposed longitudinally on track plates two sides along rail
(1) locating part of track plates two sides is removed；
(2) track plates are lifted by plate body lifting structure using tool；
(3) it according to design requirement, extracts the space compensation pad of suitable thickness out, is packed into elastic cushion；
(4) track plates are fallen again and is placed on elastic cushion, then the position of correcting track plate again pacifies locating part
Dress is fixed on the two sides of track plates；
(5) it after being respectively provided with elastic cushion below all track plates according to the method described above, retightens rail and adjusts rail top
Highly, that is, it is floating ballast bed to constitute the elastic cushion.
Third object of the present invention is to provide a kind of above-mentioned vibration damping rank type variable railway roadbed and is changed into Elastic Isolator
Floating ballast bed method, includes the following steps:
(1) track plates are lifted by plate body lifting structure using tool；
(2) it according to design requirement, extracts the space compensation pad of suitable thickness out, then track plates is fallen and correct position；
(3) Elastic Isolator and height adjusting cushion plate are placed in the joint sheeve being arranged in track plates plate body, according to elastic vibration isolation
The floating ballast bed jacking leveling method of device is completed the jacking to track plates and is leveled, and realizes that Elastic Isolator props up the elasticity of track plates
It holds；
(4) Elastic Isolator and height adjusting cushion plate are installed in all track plates according to the method described above, completed to track plates
Adjacent orbit plate, is then connected together through a hinge using shearing, finally retightens rail and adjust rail heights of roofs by jacking leveling,
It is floating ballast bed to constitute the elastic cushion.
It should be noted that working as limiting device in vibration damping rank type variable railway roadbed is the limit being fixed in substrate
Part when locating part is disposed longitudinally on track plates two sides along rail, before step (1) is lifted track plates, should first tear locating part open
It removes, after step (3) complete jacking leveling, is chosen whether to retighten installation limit according to the lateral stiffness of Elastic Isolator
Part.When the lateral stiffness of Elastic Isolator is larger, can limit displacement of the track plates along the laterally opposed substrate of rail well,
Locating part need not can be installed again.
Vibration damping rank type variable railway roadbed of the present invention is realized by adding space compensation pad between track plates and substrate
It is other damped products reserved spaces of setting in ballast bed structure.It is filled further through various forms of plate body liftings are arranged on track plates
It sets, it is convenient to be added or change other damped products in original ballast bed structure, the ballast bed structure of other vibration damping grades is constituted, in turn
Realize the ballast bed structure conversion of different vibration damping ranks, by replacing damped products to meet different vibration and noise reducing demands.
It is produced in conclusion vibration damping rank type variable railway roadbed of the present invention is added or replaces different types of vibration damping in which can be convenient
Product, it is in the form of a single to solve current various railway roadbed vibration dampings, can not conveniently realize the conversion of vibration damping rank, it is difficult to adapt to vibration damping demand
The problem of variation, of simple structure and strong practicability, securely and reliably, constructing operation are simple, and cost performance is higher, are conducive to improve road
The applicability and the feature of environmental protection of bed structure, market application prospect are very wide.
Detailed description of the invention
Fig. 1 is one of the structural schematic diagram of vibration damping rank type variable railway roadbed of the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the lifting schematic diagram of vibration damping rank type variable railway roadbed of the present invention shown in Fig. 1.
Fig. 4 be the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Fig. 1 it
One.
Fig. 5 be the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Fig. 1 it
Two.
Fig. 6 be the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Fig. 1 it
Three.
Fig. 7 is the second structural representation of vibration damping rank type variable railway roadbed of the present invention.
Fig. 8 is the B-B cross-sectional view of Fig. 7.
Fig. 9 be the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Fig. 7 it
One.
Figure 10 is the C-C cross-sectional view of Fig. 9.
Figure 11 be the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Fig. 7 it
Two.
Figure 12 is the third structural representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 13 is the D-D cross-sectional view of Figure 12.
Figure 14 is that the floating ballast bed structure of Elastic Isolator made of the conversion of vibration damping rank type variable railway roadbed shown in Figure 12 is shown
It is intended to.
Figure 15 is the E-E cross-sectional view of Figure 14.
Figure 16 is the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Figure 12.
Figure 17 is the four of the structural schematic diagram of vibration damping rank type variable railway roadbed of the present invention.
Figure 18 is the F-F cross-sectional view of Figure 17.
Figure 19 is the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Figure 17.
Figure 20 is that the floating ballast bed structure of Elastic Isolator made of the conversion of vibration damping rank type variable railway roadbed shown in Figure 17 is shown
It is intended to.
Figure 21 is the five of the structural schematic diagram of vibration damping rank type variable railway roadbed of the present invention.
Figure 22 is the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Figure 21.
Figure 23 is the six of the structural schematic diagram of vibration damping rank type variable railway roadbed of the present invention.
Figure 24 is the seven of the structural schematic diagram of vibration damping rank type variable railway roadbed of the present invention.
Figure 25 is the floating ballast bed structural schematic diagram of elastic cushion made of the conversion of vibration damping rank type variable railway roadbed shown in Figure 24.
Figure 26 is the eight of the structural schematic diagram of vibration damping rank type variable railway roadbed of the present invention.
Figure 27 is the G-G cross-sectional view of Figure 26.
Specific embodiment
Embodiment one
Vibration damping rank type variable railway roadbed of the present invention as depicted in figs. 1 and 2, the track plates including prefabricated, since map sheet has
It limits, the track plates 1, track plates 2 and track plates 3 successively continuously arranged only is shown in Fig. 1, rail 5 and fastener system 6 are arranged in-orbit
Independent space compensation pad 7 is set on the track of guidance tape, between track plates and substrate, plate body lifting knot is additionally provided on track plates
Structure.The structure of vibration damping rank type variable railway roadbed of the present invention is illustrated by taking track plates 2 as an example below, it is as depicted in figs. 1 and 2, empty
Between compensation pad 7 be placed in substrate 4, track plates 2 are placed in the top of space compensation pad 7, and rail 5 is existed by the setting of fastener system 6
On the track on 2 surface of track plates, wherein understood in working principle Fig. 2 for convenience and fastener system is omitted.Such as Fig. 1 and Fig. 3 institute
Show, the plate body lifting structure being arranged on track plates 2 is specially the lifting anchoring piece 30 of track plate body end portion upper surface setting, lift
It rises anchoring piece 30 and is equipped with threaded hole.In this example, space compensation pad 7 is constituted using the higher mechanical brakeman of skin-friction coefficient,
Such as mechanical brakeman documented by the Chinese patent of Patent No. 200920021001.9, it is higher using space compensation pad 7 itself
Skin-friction coefficient, very big frictional resistance can be generated when relatively moving with track plates or substrate, and then realize limit
Make the horizontal relative movement between each track plates and substrate 4, it is ensured that begin in vibration damping rank type variable railway roadbed use process of the present invention
It is with good stability eventually.
Environmental requirement is not achieved in the damping property of the vibration damping rank type variable railway roadbed of the present invention shown in Fig. 1 and Fig. 2, needs to turn
Change into elastic cushion it is floating ballast bed when, still by taking track plates 2 as an example, can operate as follows:
(1) track plates are lifted by plate body lifting structure using tool, specifically as shown in figure 3, utilizing threaded fastener
Hoist engine 13 is fixed on the lifting anchoring piece 30 at 1 plate end of track plates, recycles threaded fastener that hoisting ring device 11 is fixed
On the lifting anchoring piece 30 at 2 plate end of track plates, the hoist cable 12 of hoist engine 13 is fixed on hoisting ring device 11.Likewise,
Also hoist engine and hoisting ring device are assembled between track plates 3 and track plates 2 simultaneously, no longer another attached drawing, while driving 1 He of track plates
Track plates 2 are lifted by hoist cable and hoisting ring device and are detached from 4 surface of substrate by the hoist engine on track plates 3；
(2) it according to design requirement, extracts the space compensation pad 7 of suitable thickness out below track plates 2, is packed into elastic cushion 8；
(3) it is placed on elastic cushion 8 as shown in figure 4, again falling track plates 2, removes hoist engine and hoisting ring device, and
The position of calibration track plates 2；
(4) it after being respectively provided with elastic cushion 8 below all track plates according to the method described above, retightens rail and adjusts rail top
Highly, that is, it is floating ballast bed to constitute the elastic cushion.
It should be pointed out that it is different according to the thickness of used elastic cushion, " from 2 lower section of track plates described in step (2)
The space compensation pad 7 " of extraction suitable thickness also includes the case where all extracting the whole space compensation pads 7 in 2 lower section of track plates out, such as schemes
Shown in 5, it is packed into elastic cushion 8 after extraction space compensates pad 7, then carries out next step operation again.Certainly, it is wanted according to design
It asks, as shown in fig. 6, the thickness of elastic cushion 8 can also be greater than the thickness of space compensation pad 7, at this moment it should be noted that final elastic cushion is floating
The linkage section for setting ballast bed structure and fixed road bed should be arranged along slope, make the rail heights of roofs of rail by the original height of fixed road bed
It is gradually transitions the design height of the floating ballast bed structure of elastic cushion, is common technology hand in rail traffic in view of suitable slope structure
Section, still further attached drawing is not given herein.For the different-thickness for adapting to different type elastic cushion, height adjustment is carried out for facilitating
Consider, space compensation pad 7 uses the structure of multilayer build-up.In addition, the tool that can be used for being lifted track plates in step (1) is more
Kind multiplicity, in addition to already mentioned hoist engine, can also be crane or other equipment, as long as being able to achieve the mesh of lifting track plates
, it can serve the same role.Further more, being packed into elastic cushion for convenience, elastic cushion can also be spliced by the elastic pad of muti-piece
Form, can realize good effect, all the present invention claims protection scope among.
It should be noted that this example is said so that four lifting anchoring pieces 30 are arranged in every piece of track plates end upper surface as an example
Bright, in practical applications, according to the difference of track plates, the quantity and position for being lifted anchoring piece can be different, for example, working as rail
Guidance tape length is longer, and when weight is larger, six, eight even more lifting anchoring pieces also can be set；In addition, lifting anchoring
The specific structure of part can also be different, such as lifting anchoring piece can be connected as described in this example by being equipped with helicitic texture
Flange is constituted, can also the suspension hook made of the materials such as reinforcing bar or lifting lug constitute, can also be that be embedded in track plate intracorporal
Casing etc. with helicitic texture, structure is varied, can be as the connection section of lifting track plates as long as intensity is enough
Point can realize same effect；In addition, the upper surface of track plates can be arranged in lifting anchoring piece, it can also be along rail
It is disposed longitudinally on the two sides of track plates.Above-mentioned technical proposal is all based on the simple change of the technology of the present invention principle, can realize
By track plates be lifted effect, all the present invention claims protection scope in, be illustrated herein with text, it is still further not attached
Figure, the explanation are equally applicable to the other embodiment of the present invention.
In conclusion can be easily transformed into elastic cushion from common railway roadbed floating for vibration damping rank type variable railway roadbed of the present invention
Railway roadbed can complete elastic cushion using the Window time of train operation to greatly improve the effectiveness in vibration suppression of ballast bed structure
Addition or replacement can not conveniently realize the conversion of vibration damping rank, it is difficult to suitable which solve current various ballast bed structures are in the form of a single
The problem of vibration damping changes in demand is answered, of simple structure and strong practicability, securely and reliably, constructing operation are simple, and cost performance is higher, have
Conducive to the applicability and the feature of environmental protection for improving ballast bed structure, market application prospect is very wide.
Embodiment two
Vibration damping rank type variable railway roadbed of the present invention as shown in Figure 7 and Figure 8, the difference with embodiment one is, in order to limit
Horizontal relative position between track plates and substrate is mobile, and limiting device is equipped between track plates and substrate, is still with track plates 2
The structure of vibration damping rank type variable railway roadbed of the present invention is specifically described in example, and limiting device is integrated setting in substrate 4
Positive stop lug boss 15, the positive stop lug boss 15 is disposed longitudinally on 2 two sides of track plates along rail, between positive stop lug boss 15 and track plates 2
Cushion 14 is set.
Since the length that track plates prolong rail longitudinal direction is larger, plate body successively splices the work that can also mutually play auxiliary stopper
With, therefore after track plates two sides are additionally arranged positive stop lug boss 15, so that it may the horizontal phase effectively between limitation track plates and substrate
It is mobile to position.So there is no strict requirements to the skin-friction coefficient of space compensation pad 7 in technical solution described in this example,
The selection range of space compensation pad 7 is bigger, advantageously reduces cost.In this example, space compensation pad 7 overlaps structure by laminated plastics plate
At.Certainly, space compensation pad 7 is other than using already mentioned mechanical brakeman and plastic material, can also by glass-reinforced plastic material,
Nylon material or the biggish polyurethane material of face rigidity or the biggish rubber material of face rigidity etc. are made, or are mentioned by above-mentioned
Composite material to material is made, and can according to need selection in practical application.
Vibration damping rank type variable railway roadbed of the present invention described in this example is converted into the floating ballast bed process of elastic cushion and embodiment one
In description it is essentially identical, be not repeated herein.It should be noted that the elastic shield in the floating ballast bed structure of elastic cushion
The form of setting can be varied, as shown in Figure 9 and Figure 10, the lower section for being arranged in rail can be corresponded to using the elastic cushion 8 of strip,
It is floating ballast bed to constitute the elastic cushion；In addition, as shown in figure 11, rail can also be arranged in using block-like elastic cushion 8 correspondence
Lower section, it is floating ballast bed to constitute the elastic cushion.
In technical solution described in this example, since positive stop lug boss 15 is arranged on track plates two sides, track plates without setting
Set limiting groove, the structure of track plates is simpler, and due to the quantity of positive stop lug boss 15 can according to need setting it is multiple, because
This is also relatively reliable to the limit of track plates.Cushion 14 is arranged between positive stop lug boss and track plates can be poly- by rubber or elasticity
Urethane elastomeric material is made, and can suitably deform, on the one hand can be with the impact and vibration of cushioning rail plate, on the other hand
Track plates can be compensated because of change in size caused by expanding with heat and contract with cold when temperature change.
It is noted that plate body lifting structure of the present invention is in addition to the railway roadbed conversion process in different vibration damping forms
In for being lifted track plates, can also be used to be lifted track plates when replace damping element in later period use process.Such as it is right
Elastic cushion shown in Fig. 10 is floating ballast bed, when needing replacing elastic cushion, also can use lifting anchoring piece 30 and is lifted track plates.
This purposes is applied equally to the other embodiment of the present invention, is described in this together, behind be not repeated.
Embodiment three
Vibration damping rank type variable railway roadbed of the present invention as shown in Figure 12 and Figure 13, still to vibration damping of the present invention by taking track plates 2 as an example
The structure of rank type variable railway roadbed is specifically described, and the difference with embodiment two is, limit is equipped between track plates and substrate
Position device, the limiting device is the locating part 18 being fixed in substrate 4, and locating part 18 is disposed longitudinally on track along rail
2 two sides of plate, locating part 18 are fixed in substrate 4 by fastener 19, and cushion 14 is arranged between locating part 18 and track plates 2.
In addition, being also preset with joint sheeve 81 in the plate body of track plates.In addition, track plates 2 are made by the way of cast in situs, it is anti-
Only track plates 2 and space compensation pad 7 adhesions, separation layer 80 are arranged between track plates 2 and space compensation pad 7, wherein separation layer
80 are made of plastic foil, are monolayer plastic plate with space compensation pad 7.Especially it be stressed that this example in, lifting anchoring piece 30 with
Joint sheeve 81 is arranged on track plates simultaneously as plate body lifting structure.
Compared with embodiment two, in technical solution described in this example, locating part 18 can easily be torn open from substrate 4
Dress, therefore the relative position being easier between adjustment locating part 18 and track plates, on the other hand, once locating part 18 damages
It is bad, it replaces also very convenient.In addition, the selection range of separation layer is extremely wide, optional material include plastic foil, fabric, paper or
Release agent etc., can realize good effect, all the present invention claims protection scope among.
Environmental requirement is not achieved in the damping property of the vibration damping rank type variable railway roadbed of the present invention shown in Figure 12 and Figure 13, needs
Be converted into Elastic Isolator it is floating ballast bed when, still by taking track plates 2 as an example, can operate as follows:
(1) locating part 18 is removed, is then lifted track plates 2 by plate body lifting structure using tool, the plate body lift
Rising structure is lifting anchoring piece 30 or joint sheeve 81；
(2) according to design requirement, extraction space compensates pad 7, then falls track plates 2 and correct position；
(3) it is put into Elastic Isolator 83 and height adjusting cushion plate 82 in the joint sheeve 81 being arranged in 2 plate body of track plates, in base
Positioning pin 84 is fixedly installed on bottom 4, cross spacing is constituted to Elastic Isolator 83, uses steel spring conduct in Elastic Isolator 83
Elastic element, according to Elastic Isolator it is floating ballast bed jacking leveling method complete track plates jacking leveling, realize elasticity every
Device 83 shake to the elastic bearings of track plates 2, further, since Elastic Isolator 83 made of steel spring has enough transverse directions rigid
Degree, therefore installation locating part 18 need not be retightened again, to prevent between foreign matter injection plate 2 and substrate 4, in track plates 2
Two sides fixed setting sealing skirtboard 85；
(4) Elastic Isolator and height adjusting cushion plate are installed in all track plates according to the method described above, completed to track plates
Jacking leveling, then adjacent orbit plate is linked together, finally retighten rail and adjust rail and rise using shear hinge 90
Degree, that is, it is floating ballast bed to constitute the elastic cushion, it is specific as shown in Figure 14 and Figure 15.
It should be pointed out that, Elastic Isolator floating ballast bed jacking leveling different according to the specific structure of joint sheeve
Method is different, such as Patent No. 200710013713.1 and 200910013964.9 and 200910019752.1 etc. is Chinese
In patent, the jacking leveling method floating ballast bed to the Elastic Isolator using different structure joint sheeve all gives detailed
Description, understands grasp by industry, herein not reinflated narration.It is however emphasized that a bit, during jacking leveling, utilizing connection
Floating plate is lifted away from substrate as plate body lifting structure by knot sleeve 81, therefore is lifted anchoring piece 30 and joint sheeve 81 and is all used as plate
Body lifting structure uses.The type of heretofore described Elastic Isolator elastic element can be varied, in addition to having mentioned
The steel spring arrived can also be rubber spring or elastic polyurethane spring, it is compound to be also possible to rubber-metal as elastic element
Spring or air spring.Certainly, if when the lateral stiffness deficiency of Elastic Isolator, after completing the jacking installation of step (3),
Installation locating part 18 can also be retightened in substrate 4 again, it can to the relative displacement offer of track plates using locating part 18
By limit.
In addition it is noted that vibration damping rank type variable railway roadbed of the present invention shown in Figure 12 and Figure 13 in addition to can be convenient turns
Change into Elastic Isolator it is floating ballast bed other than, it is floating ballast bed to be easily converted to elastic cushion, still by taking track plates 2 as an example,
It can operate as follows:
(1) locating part 18 of 2 two sides of track plates is removed；
(2) identical as the description in embodiment one, track plates 2 are lifted by plate body lifting structure using tool, make rail
The lifting of guidance tape 2 is detached from 4 surface of substrate, and the plate body lifting structure is lifting anchoring piece 30；
(3) according to design requirement, extraction space compensates pad 7, is packed into elastic cushion 8；
(4) track plates 2 are fallen again and is placed on elastic cushion 8, is equipped between elasticity between locating part 18 and track plates 2
Come the position of correcting track plate 2 away from adjustment cushion block 20, then re-uses fastener 19 for locating part 18 and be fixed on track
The two sides of plate 2, it is specific as shown in figure 16；
(5) it after being respectively provided with elastic cushion below all track plates according to the method described above, retightens rail and adjusts rail top
Highly, that is, it is floating ballast bed to constitute the elastic cushion.
Especially it is noted that since locating part 18 removes in which can be convenient, also it is more convenient to extract space compensation pad, and
It is packed into elastic cushion.
The vibration damping rank type variable railway roadbed of the present invention described in this example it can be seen from above description can be convenient by common
Ballast bed structure is changed to the floating ballast bed structure of elastic cushion or the floating ballast bed structure of Elastic Isolator, can satisfy various vibration damping ranks
It is required that.Compared with existing common railway roadbed, vibration damping rank type variable railway roadbed of the present invention can't obviously increase cost, but for vibration damping
It is required that change or variation, vibration damping rank type variable railway roadbed of the present invention can make rapidly corresponding conversion, either be changed to bullet
Property pad is floating ballast bed or Elastic Isolator is floating ballast bed, and the Window time that may be by train operation quickly finishes conversion,
Reach satisfied effectiveness in vibration suppression, applicability is extremely strong, and cost performance is higher, has a vast market application prospect.
Example IV
The vibration damping rank type variable railway roadbed of the present invention as shown in Figure 17, Figure 18, still by taking track plates 2 as an example, with three institute of embodiment
The difference for stating vibration damping rank type variable railway roadbed is, limiting device is equipped between track plates 2 and substrate 4, limiting device is track
The positive stop lug boss 23 of 2 portion integralization of plate setting, setting limiting groove and positive stop lug boss 23 cooperate in corresponding substrate 4.In addition,
Plate body lifting structure is additionally provided on track plates 2, plate body lifting structure is the lifting recessing groove 22 of track plates two sides setting.It mends in space
Mechanical brakeman documented by Chinese patent of the plate 7 using Patent No. 200920021001.9 is repaid to be made.
Compared with embodiment three, in technical solution described in this example, the positive stop lug boss and base that are arranged using track plates lower part
The limiting groove cooperation being arranged on bottom limits between track plates and substrate along the horizontal relative movement that rail is lateral, ballast bed structure
Without additional structure, it is less to be related to part for outside, also easily facilitates routine servicing.In addition, vibration damping rank of the present invention described in this example can
Variant railway roadbed be changed into elastic cushion it is floating ballast bed when, due to two side lower part of track plates be provided with lifting recessing groove 22, utilize elasticity
When pad replacement space compensation pad, it can use hanging device and sling track plates by being lifted recessing groove 22, also can use thousand
The tools such as jin top are to rely on directly to lift track plates with substrate, other processes and the description in embodiment three are essentially identical,
This is not repeated that obtained elastic cushion ballast bed structure is specifically as shown in figure 19.It is such to be advantageous in that, it can not for hanging device
The location of arrival, or without the hanging device of enough tonnages when, can use the other equipment such as very heavy item realize lift
Rail lift guidance tape, and then cushion blocking is replaced, practicability and applicability are all more preferable.In addition, as shown in figure 20, described in this example originally
The transformation of invention vibration damping rank type variable railway roadbed is floating ballast bed into Elastic Isolator, except not set locating part and track plates in this example
Lifting method other than difference, other processes are essentially identical, are also not repeated herein.
Embodiment five
Vibration damping rank type variable railway roadbed of the present invention, the difference with example IV are as shown in figure 21, track plates 2 and substrate
Limiting device is equipped between 4, limiting device is the positive stop lug boss 24 of integrated setting in substrate 4, and the positive stop lug boss 24 is arranged
Limiting groove is arranged below track plates 2, on corresponding track plates 2 to cooperate with it.In addition, lifting recessing groove 22 is arranged in track
The middle part of 2 side of plate.
Compared with example IV, in technical solution described in this example, since track plates lower substrates are equipped with positive stop lug boss, because
Water easy-storing is not allowed under this cushion blocking, effectiveness in vibration suppression is more stable.Technical principle based on this example, vibration damping rank type variable road of the present invention
Bed can also be using structure shown in Figure 23, it is ensured that under cushion blocking will not water, all the present invention claims protection scope within.
Vibration damping rank type variable railway roadbed of the present invention described in this example be converted to elastic cushion it is floating ballast bed when, be still with track plates 2
Example, can operate as follows:
(1) track plates 2 are lifted by plate body lifting structure using tool, the lifting of track plates 2 are made to be detached from 4 surface of substrate,
The plate body lifting structure is lifting recessing groove 22；
(2) according to design requirement, extraction section space compensation pad 7 is packed into elastic cushion 8, and elastic cushion 8 is placed in space compensation pad
Between 7 and substrate 4；
(3) track plates 2 are fallen again and is placed on space compensation pad 7 and elastic cushion 8, the position of correcting track plate 2, tool
Body is as shown in figure 22；
(4) it after being respectively provided with elastic cushion below all track plates according to the method described above, retightens rail and adjusts rail top
Highly, that is, it is floating ballast bed to constitute the elastic cushion.
Embodiment six
Vibration damping rank type variable railway roadbed of the present invention as shown in figure 24, with vibration damping rank type variable railway roadbed described in example IV
Difference is that 2 lower part of track plates is symmetrical arranged two positive stop lug boss 25 along rail longitudinal direction, and positive stop lug boss 25 is away from track plates two sides
Certain distance is kept, setting limiting groove and positive stop lug boss cooperate in corresponding substrate 4.In addition, the lifting setting of recessing groove 22 exists
The middle part of 2 side of track plates.In addition, diversion slope is arranged in 4 surface of substrate of track plates two sides.
Vibration damping rank type variable railway roadbed of the present invention described in this example be converted to elastic cushion it is floating ballast bed when, operating method and reality
The description applied in example five is essentially identical, is not repeated herein.The floating ballast bed structure of gained elastic cushion is as shown in figure 25.
Compared with example IV, in technical solution described in this example, track plates lower part is symmetrical arranged two positive stop lug boss of setting
25, therefore limit relatively reliable.Further, since 4 surface of substrate of track plates two sides is provided with diversion slope, it can be effectively to track
Plate guided outside water flow prevents space compensation pad 7 or the lower immersion of elastic cushion 8.In addition it is noted that based on skill described in this example
Art principle, in addition to can also can be set other than track plates lower part is arranged along the positive stop lug boss of rail longitudinal direction along rail transverse direction
Positive stop lug boss, setting limiting groove and positive stop lug boss cooperate in corresponding substrate, to prevent use process middle orbit plate in steel
It is relatively moved between rail transverse direction and substrate 4, it is, of course, also possible to be arranged simultaneously along rail longitudinal direction and along the limit of rail transverse direction
Boss, setting limiting groove and positive stop lug boss cooperate in corresponding substrate, limit the opposite shifting between track plates and substrate comprehensively
Dynamic, these technical solutions are all based on the simple change of the technology of the present invention principle, are only described herein with text, all in this hair
Among the protection scope of bright requirement.
Based on the technical solution recorded in previous embodiment, plate body lifting structure can be the lifting anchor being arranged on track plates
Firmware or lifting recessing groove or/and joint sheeve, all within the scope of protection required by the present invention.
Embodiment seven
Vibration damping rank type variable railway roadbed of the present invention as shown in Figure 26 and Figure 27, the difference with embodiment one are space compensation
Pad 7 uses hard rubber pad, mobile in order to limit the horizontal relative position between track plates and substrate 4, between track plates and substrate 4
Equipped with limiting device, limiting device is the positive stop lug boss 9 of integrated setting in substrate 4, and positive stop lug boss 9 is arranged in adjacent orbit plate
Between, limiting groove is respectively set on corresponding adjacent orbit plate and positive stop lug boss cooperates, is set between positive stop lug boss and track plates
Set cushion 10.
In general, for convenience of being lifted, the length of track plates is sharp between track plates and track plates to be advisable no more than 25m
It is separated with template, this point can equally be well applied to the other embodiment of the present invention, be described in this together.In addition, cushion
10 can be made of rubber or elastic polyurethane elastomeric material, can suitably deform, on the one hand can be with cushioning rail plate
Impact and vibration, on the other hand can also compensate track plates because of change in size caused by expanding with heat and contract with cold when temperature change.
Vibration damping rank type variable railway roadbed of the present invention described in this example is changed into the floating ballast bed method of elastic cushion and embodiment one
Description it is identical, be not repeated to describe herein, also still further attached drawing is not described.Due to being provided with positive stop lug boss 9 in substrate
Track plates are limited, therefore space compensation pad does not need very high skin-friction coefficient yet in this example, selection range is more
Extensively.
It can be seen from above-described embodiment that vibration damping rank type variable railway roadbed of the present invention is added or replaces not in which can be convenient
The damped products of same type, it is in the form of a single to solve current various railway roadbed vibration dampings, can not conveniently realize the conversion of vibration damping rank, difficult
To adapt to the problem of vibration damping changes in demand, structure is simple, and constructing operation is simpler, and economy and practicability are more preferable, safety
Reliably, market application prospect is very wide.In addition, above-described embodiment understands technical principle of the invention primarily to facilitating,
It is not limited to the content of above-described embodiment record, the technology contents that above-described embodiment is recorded can also carry out cross-reference, base
In the technology of the present invention principle, those skilled in the art's technical solution described in above-described embodiment re-starts combination or utilization
Similar technique carries out simple replacement to some of them element, as long as based on technical principle of the invention, all in protection of the invention
In range.
Claims (12)
1. a kind of vibration damping rank type variable railway roadbed, including track plates, rail and fastener system are arranged on track plates, feature exists
Independent space compensation pad is set between track plates and substrate, is additionally provided with plate body lifting structure on track plates, constitutes common road
Bed；When environmental requirement is not achieved in the damping property of common railway roadbed, track plates are lifted by plate body lifting structure using tool,
Elastic cushion is packed into after taking out part or all of space compensation pad or is packed into Elastic Isolator and height adjusting cushion plate, is realized from common railway roadbed
It is transformed into floating ballast bed.
2. vibration damping rank type variable railway roadbed according to claim 1, it is characterised in that track plates are cast in situs manufacture, rail
Separation layer is set between guidance tape and space compensation pad.
3. vibration damping rank type variable railway roadbed according to claim 2, it is characterised in that the material for constituting separation layer includes modeling
Expect film, fabric, paper or release agent.
4. vibration damping rank type variable railway roadbed according to claim 1, it is characterised in that plate body lifting structure includes track plates
The lifting anchoring piece or lifting recessing groove or/and joint sheeve of upper setting.
5. vibration damping rank type variable railway roadbed according to claim 1, it is characterised in that be equipped with limit between track plates and substrate
Position device.
6. vibration damping rank type variable railway roadbed according to claim 5, it is characterised in that limiting device is to be fixed on base
Locating part on bottom, locating part are disposed longitudinally on track plates two sides along rail, cushion are arranged between locating part and track plates.
7. vibration damping rank type variable railway roadbed according to claim 5, it is characterised in that limiting device is integration in substrate
The positive stop lug boss of setting, the positive stop lug boss are disposed longitudinally on track plates two sides along rail；Or the positive stop lug boss setting exists
Below track plates, setting limiting groove cooperates with it on corresponding track plates；Or positive stop lug boss setting adjacent orbit plate it
Between, limiting groove is respectively set on corresponding adjacent orbit plate and positive stop lug boss cooperates, is arranged between positive stop lug boss and track plates
Cushion.
8. vibration damping rank type variable railway roadbed according to claim 5, it is characterised in that limiting device is track plates lower part one
The positive stop lug boss of bodyization setting, setting limiting groove and positive stop lug boss cooperate in corresponding substrate.
9. vibration damping rank type variable railway roadbed according to any one of claims 1 to 8 is transformed into elastic cushion from common railway roadbed
Floating ballast bed method, it is characterised in that include the following steps:
(1) track plates are lifted by plate body lifting structure using tool；
(2) it according to design requirement, extracts the space compensation pad of suitable thickness out, is packed into elastic cushion；
(3) track plates are fallen again and is placed on elastic cushion, and the position of correcting track plate；
(4) it after being respectively provided with elastic cushion below all track plates according to the method described above, retightens rail and adjusts rail heights of roofs,
It is floating ballast bed to constitute the elastic cushion.
10. according to claim 9 be transformed into the floating ballast bed method of elastic cushion from common railway roadbed, it is characterised in that when subtracting
Limiting device is the locating part being fixed in substrate in the other type variable railway roadbed of vibration level, and locating part is longitudinally disposed in-orbit along rail
When guidance tape two sides, include the following steps:
(1) locating part of track plates two sides is removed；
(2) track plates are lifted by plate body lifting structure using tool；
(3) it according to design requirement, extracts the space compensation pad of suitable thickness out, is packed into elastic cushion；
(4) track plates are fallen again and is placed on elastic cushion, then the position of correcting track plate again installs locating part solid
It is scheduled on the two sides of track plates；
(5) it after being respectively provided with elastic cushion below all track plates according to the method described above, retightens rail and adjusts rail heights of roofs,
It is floating ballast bed to constitute the elastic cushion.
11. vibration damping rank type variable railway roadbed according to any one of claims 1 to 8 is transformed into elasticity from common railway roadbed
The floating ballast bed method of vibration isolator, it is characterised in that include the following steps:
(1) track plates are lifted by plate body lifting structure using tool；
(2) it according to design requirement, extracts the space compensation pad of suitable thickness out, then track plates is fallen and correct position；
(3) Elastic Isolator and height adjusting cushion plate are placed in the joint sheeve being arranged in track plates plate body, it is floating according to Elastic Isolator
The jacking leveling method for setting railway roadbed completes jacking leveling, realizes Elastic Isolator to the elastic bearing of track plates；
(4) Elastic Isolator and height adjusting cushion plate are installed in all track plates according to the method described above, complete the jacking to track plates
Adjacent orbit plate, is then connected together through a hinge using shearing, finally retightens rail and adjust rail heights of roofs, i.e. structure by leveling
It is floating ballast bed at the elastic cushion.
12. being transformed into the floating ballast bed method of Elastic Isolator from common railway roadbed according to claim 11, it is characterised in that
When limiting device is the locating part being fixed in substrate in vibration damping rank type variable railway roadbed, locating part is longitudinally disposed along rail
At track plates two sides, before step (1) is lifted track plates, first locating part is removed, completes jacking leveling in step (3)
Afterwards, it is chosen whether to retighten installation locating part according to the lateral stiffness of Elastic Isolator.
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| CN108560330A (en) * | 2018-06-26 | 2018-09-21 | 青岛科而泰环境控制技术有限公司 | The scalable general railway roadbed of secondary pouring type and its construction method |
| CN110468630A (en) * | 2019-08-28 | 2019-11-19 | 吴永芳 | A kind of assembled track and its cushion layer structure |
| CN116070327B (en) * | 2023-02-16 | 2023-09-29 | 中铁四院集团南宁勘察设计院有限公司 | Vibration reduction track structure optimization method |
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