CN106930159A - Vibration damping rank type variable railway roadbed and its application process - Google Patents
Vibration damping rank type variable railway roadbed and its application process Download PDFInfo
- Publication number
- CN106930159A CN106930159A CN201710322387.6A CN201710322387A CN106930159A CN 106930159 A CN106930159 A CN 106930159A CN 201710322387 A CN201710322387 A CN 201710322387A CN 106930159 A CN106930159 A CN 106930159A
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- Prior art keywords
- track plates
- vibration damping
- cushion
- type variable
- railway roadbed
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Railway Tracks (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Vibration and field of noise control the invention belongs to track traffic, more particularly to a kind of vibration damping rank type variable railway roadbed and its application process.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 with track plates, wherein track plates are cast in situs manufacture, separation layer is set between track plates and space compensation pad, and constituting the material of separation layer includes plastic foil, fabric, paper or releasing agent, and plate body lifting structure includes the lifting anchoring piece or lifting slot to make way or/and joint sheeve that are set on track plates.Compared with prior art, the present invention is applied to polytype damped products, can according to actual needs conveniently realize the vibration damping rank type variable railway roadbed that the ballast bed structure of different vibration damping ranks is mutually changed.
Description
Technical field
Vibration and field of noise control the invention belongs to track traffic, more particularly to one kind can easily change vibration isolation
The slab track ballast bed structure of form.
Background technology
In recent years, developing rapidly with China's track traffic, track traffic progressively enters into our life.Track is handed over
Lead to while quick, safe trip is provided to us, its vibration for producing and noise problem is also serious have impact on periphery
The quality of life of resident, jeopardizes the safety of neighboring buildings, meanwhile, stability, security to track traffic itself and use the longevity
Life etc. also brings many adverse effects.Therefore, try to reduce track vibration and noise, improve it with nature and the association of living environment
Tune relation, as track traffic can sustainable development key.Found in practice, due to complex geologic conditions, Planning changes etc.
Reason causes the situation that the original vibration control measure of track traffic is unable to reach expected environmental impact assessment target to happen occasionally, but existing each
Plant mounting condition, the appearance and size of railway roadbed damped products etc. widely different, it is impossible to realize subtracting conveniently by damped products are changed
Vibration means are upgraded, and vibration damping rank can not be as needed changed between the ballast bed structure of various different vibration damping ranks, are built again not
Only cost is huge, and construction period is very long, has a strong impact on operation, because these difficult presence, often result in and occur disturbing residents
Situation about cannot slowly be solved after problem, therefore triggered many environmental protection to complain.
The content of the invention
It is an object of the invention to overcome drawbacks described above, there is provided one kind is applied to polytype damped products, being capable of basis
It is actually needed and conveniently realizes the vibration damping rank type variable railway roadbed that the ballast bed structure of different vibration damping ranks is mutually changed.
Vibration damping rank type variable railway roadbed of the present invention is achieved in that, including track plates, rail and fastener system are arranged on
Independent space compensation pad is set on track plates, between track plates and substrate, plate body lifting structure is additionally provided with track plates.
Wherein, described " independent " implication refers to that space compensation pad and substrate and track plates are not fixed together.
When track plates are manufactured for cast in situs, separation layer is set between track plates and cushion blocking.Can be used for constitute every
The material of absciss layer is including plastic foil, fabric, paper or releasing agent etc..
The structure type of the plate body lifting structure is varied, specifically include on track plates set lifting anchoring piece,
Or lifting slot to make way or/and joint sheeve etc..
In addition, in order to limit the horizontal relative position occurred between track plates and substrate movement, between track plates and substrate
Stopping means is also provided with, the structure of the stopping means can be with varied, for example, stopping means can be fixedly installed
Locating part in substrate, locating part is disposed longitudinally on track plates both sides along rail, and buffering is set between locating part and track plates
Pad；Stopping means can also be track plates portion integralization set positive stop lug boss, in corresponding substrate set limited impression with
Positive stop lug boss coordinates；Stopping means can also be the positive stop lug boss of integrated setting in substrate.Wherein, when positive stop lug boss and substrate
During integrated setting, the positive stop lug boss can be disposed longitudinally on track plates both sides along rail；Or the positive stop lug boss is set
Limited impression is set below track plates, on corresponding track plates to coordinate with it；Or positive stop lug boss is arranged on adjacent orbit plate
Between, limited impression is respectively provided with corresponding adjacent orbit plate and is coordinated with positive stop lug boss, set between positive stop lug boss and track plates
Put cushion pad.
Second object of the present invention is to provide a kind of above-mentioned vibration damping rank type variable railway roadbed to be changed into cushion floating
The method of railway roadbed, comprises the following steps：
(1) track plates are lifted by plate body lifting structure using instrument；
(2) according to design requirement, extract the space compensation pad of suitable thickness out, load cushion；
(3) track plates are fallen again and are placed on cushion, and calibration track plates position；
(4) after being respectively provided with cushion below all track plates according to the method described above, retighten rail and adjust rail top
Highly, that is, the cushion is constituted floating ballast bed.
It is pointed out that when in vibration damping rank type variable railway roadbed stopping means be fixed on it is spacing in substrate
Part, when locating part is disposed longitudinally on track plates both sides along rail, comprises the following steps：
(1) locating part of track plates both sides is removed；
(2) track plates are lifted by plate body lifting structure using instrument；
(3) according to design requirement, extract the space compensation pad of suitable thickness out, load cushion；
(4) track plates are fallen again and is placed on cushion, then the position of correcting track plate again pacifies locating part
Dress is fixed on the both sides of track plates；
(5) after being respectively provided with cushion below all track plates according to the method described above, retighten rail and adjust rail top
Highly, that is, the cushion is constituted floating ballast bed.
Third object of the present invention is to provide a kind of above-mentioned vibration damping rank type variable railway roadbed to be changed into Elastic Isolator
Floating ballast bed method, comprises the following steps：
(1) track plates are lifted by plate body lifting structure using instrument；
(2) according to design requirement, extract the space compensation pad of suitable thickness out, then fall and correction position track plates；
(3) Elastic Isolator and height adjusting cushion plate are placed in the joint sheeve set in track plates plate body, according to elastic vibration isolation
The floating ballast bed jacking leveling method of device completes the jacking leveling to track plates, realizes elasticity branch of the Elastic Isolator to track plates
Hold；
(4) Elastic Isolator and height adjusting cushion plate are installed in all track plates according to the method described above, are completed to track plates
, then using shearing be connected together through a hinge adjacent orbit plate by jacking leveling, is finally retightened rail and is adjusted rail heights of roofs,
Constitute the cushion floating ballast bed.
It should be noted that when in vibration damping rank type variable railway roadbed stopping means be fixed on it is spacing in substrate
Part, when locating part is disposed longitudinally on track plates both sides along rail, before step (1) lifting track plates, first should tear locating part open
Remove, after step (3) completes jacking leveling, the lateral stiffness according to Elastic Isolator chooses whether to retighten installs spacing
Part.When the lateral stiffness of Elastic Isolator is larger, can limit well track plates along the laterally opposed substrate of rail displacement when,
Locating part may not necessarily be just installed again.
Vibration damping rank type variable railway roadbed of the present invention, by setting up space compensation pad between track plates and substrate, realizes
It is other damped products headspaces of setting in ballast bed structure.Filled further through the plate body lifting of the setting multi-form on track plates
Put, it is convenient to be added in original ballast bed structure or change other damped products, the ballast bed structure of other vibration damping grades is constituted, and then
Realize that the ballast bed structure of different vibration damping ranks is changed by changing damped products, to meet different vibration and noise reducing demands.
In sum, vibration damping rank type variable railway roadbed of the present invention can be conveniently added with or change different types of vibration damping and produce
Product, solve current various railway roadbed vibration damping forms single, it is impossible to conveniently realize the conversion of vibration damping rank, it is difficult to adapt to vibration damping demand
The problem of change, its simple structure is practical, safe and reliable, and constructing operation is simple, and cost performance is higher, is conducive to improving road
The applicability and the feature of environmental protection of bed structure, market application foreground are very wide.
Brief description of the drawings
Fig. 1 is one of structural representation of vibration damping rank type variable railway roadbed of the present invention.
Fig. 2 is the A-A sectional views 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 representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Fig. 1 it
One.
Fig. 5 be the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Fig. 1 it
Two.
Fig. 6 be the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Fig. 1 it
Three.
Fig. 7 is the two of the structural representation of vibration damping rank type variable railway roadbed of the present invention.
Fig. 8 is the B-B sectional views of Fig. 7.
Fig. 9 be the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Fig. 7 it
One.
Figure 10 is the C-C sectional views of Fig. 9.
Figure 11 be the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Fig. 7 it
Two.
Figure 12 is the three of the structural representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 13 is the D-D sectional views of Figure 12.
Figure 14 is that the floating ballast bed structure of the converted Elastic Isolator of vibration damping rank type variable railway roadbed shown in Figure 12 is shown
It is intended to.
Figure 15 is the E-E sectional views of Figure 14.
Figure 16 is the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Figure 12.
Figure 17 is the four of the structural representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 18 is the F-F sectional views of Figure 17.
Figure 19 is the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Figure 17.
Figure 20 is that the floating ballast bed structure of the converted Elastic Isolator 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 representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 22 is the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Figure 21.
Figure 23 is the six of the structural representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 24 is the seven of the structural representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 25 is the floating ballast bed structural representation of the converted cushion of vibration damping rank type variable railway roadbed shown in Figure 24.
Figure 26 is the eight of the structural representation of vibration damping rank type variable railway roadbed of the present invention.
Figure 27 is the G-G sectional views of Figure 26.
Specific embodiment
Embodiment one
The track plates of vibration damping rank type variable railway roadbed of the present invention, including prefabricated as depicted in figs. 1 and 2, because map sheet has
Limit, only shows the track plates 1 of continuous arrangement, track plates 2 and track plates 3 successively in Fig. 1, rail 5 and fastener system 6 set 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 with 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 compensate pad 7 and be positioned in substrate 4, track plates 2 are positioned over the top of space compensation pad 7, and rail 5 is arranged on by fastener system 6
On the track on the surface of track plates 2, wherein, to understand eliminate fastener system in operation principle Fig. 2 for convenience.Such as Fig. 1 and Fig. 3 institutes
Show, the plate body lifting structure set on track plates 2 is specially the lifting anchoring piece 30 of track plate body end portion upper surface setting, lift
Rise anchoring piece 30 and be provided with screwed hole.In this example, space compensation pad 7 is constituted using skin-friction coefficient mechanical brakeman higher,
Mechanical brakeman for example described in the Chinese patent of Patent No. 200920021001.9, utilization space compensation pad 7 itself is higher
Skin-friction coefficient, very big frictional resistance can be produced when being relatively moved with track plates or substrate, and then realize limit
Make the level relative movement between each track plates and substrate 4, it is ensured that begin during vibration damping rank type variable railway roadbed use of the present invention
There is good stability eventually.
When the damping property of vibration damping rank type variable railway roadbed of the present invention shown in Fig. 1 and Fig. 2 does not reach environmental requirement, it is necessary to turn
Change into 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 instrument, it is specific as shown in figure 3, using threaded fastener
Hoist engine 13 is fixed on the lifting anchoring piece 30 at the plate end of track plates 1, recycles threaded fastener to fix hoisting ring device 11
On the lifting anchoring piece 30 at the plate end of track plates 2, the hoist cable 12 of hoist engine 13 is fixed on hoisting ring device 11.Likewise,
Hoist engine and hoisting ring device also are assembled simultaneously between track plates 3 and track plates 2, no longer another accompanying drawing, while driving the He of track plates 1
Hoist engine on track plates 3, the surface of substrate 4 is departed from by hoist cable and hoisting ring device by the lifting of track plates 2；
(2) according to design requirement, extract the space compensation pad 7 of suitable thickness out from the lower section of track plates 2, load cushion 8；
(3) it is placed on 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) after being respectively provided with cushion 8 below all track plates according to the method described above, retighten rail and adjust rail top
Highly, that is, the cushion is constituted floating ballast bed.
It is pointed out that the thickness according to the cushion for being used is different, " from the lower section of track plates 2 described in step (2)
Extract the space compensation pad 7 of suitable thickness out " also include the situation for all extracting the whole space compensation pads 7 in the lower section of track plates 2 out, such as scheme
Shown in 5, cushion 8 is loaded after extraction space compensation pad 7, next step operation is then carried out again.Certainly, wanting according to design
Ask, as shown in fig. 6, the thickness of cushion 8 can also be more than the thickness of space compensation pad 7, at this moment it should be noted that final cushion is floated
Putting ballast bed structure should be set along slope with the linkage section of fixed road bed, make the rail heights of roofs of rail by the original height of fixed road bed
The design height of the floating ballast bed structure of cushion is gradually transitions, in view of being the technology hand commonly used in track traffic along slope structure
Section, still further accompanying drawing does not give herein.It is the different-thickness for adapting to different type cushion, for conveniently carrying out Height Adjustment
Consider, space compensation pad 7 employs the structure of multilayer build-up.In addition, the instrument that can be used for lifting track plates in step (1) is more
Plant various, in addition to already mentioned hoist engine, crane or other equipment are can also be, as long as the mesh of lifting track plates can be realized
, can serve the same role.Further, loading cushion for convenience, cushion can also be by the elastic pad splicing of polylith
Form, good effect can be realized, all among the protection domain of application claims.
It should be noted that this example is said so that every piece of track plates end upper surface sets four lifting anchoring pieces 30 as an example
Bright, in actual applications, according to the difference of track plates, the quantity of lifting anchoring piece and position can be with different, for example, working as rail
Guidance tape length is more long, when weight is larger, it is also possible to set six, eight even more lifting anchoring pieces；Additionally, lifting is anchored
The concrete structure of part can also be different, and for example lifting anchoring piece can be connected as described in this example by being provided with helicitic texture
Flange is constituted, it is also possible to which the suspension hook or hanger being made up of materials such as reinforcing bars are constituted, and be can also be and are embedded in track plate body
Sleeve pipe of structure etc. is threaded, its structure is varied, as long as intensity is enough, can be used as the connection section of lifting track plates
Point, can realize same effect；In addition, lifting anchoring piece can be arranged on the upper surface of track plates, it is also possible to along rail
It is disposed longitudinally on the both 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 the effect of track plates lifting, all in the protection domain of application claims, illustrated with word herein, it is still further not attached
Figure, the explanation is equally applicable to other embodiment of the invention.
In sum, can be easily transformed into cushion from common railway roadbed floating for vibration damping rank type variable railway roadbed of the present invention
Railway roadbed, so as to greatly improve the effectiveness in vibration suppression of ballast bed structure, cushion can be just completed using the Window time of train operation
Addition is changed, and which solves current various ballast bed structure forms single, it is impossible to conveniently realize the conversion of vibration damping rank, it is difficult to suitable
The problem of vibration damping changes in demand is answered, its simple structure is practical, safe and reliable, constructing operation is simple, and cost performance is higher, has
Beneficial to the applicability and the feature of environmental protection that improve ballast bed structure, market application foreground 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 movement between track plates and substrate, is provided with stopping means between track plates and substrate, be still with track plates 2
Example is specifically described to the structure of vibration damping rank type variable railway roadbed of the present invention, and stopping means is integrated setting in substrate 4
Positive stop lug boss 15, the positive stop lug boss 15 is disposed longitudinally on the both sides of track plates 2 along rail, between positive stop lug boss 15 and track plates 2
Cushion pad 14 is set.
Because the length that track plates prolong rail longitudinal direction is larger, plate body splices successively can also mutually play the work of auxiliary stopper
With, therefore after track plates both sides are additionally arranged positive stop lug boss 15, it is possible to the level phase effectively between limitation track plates and substrate
Position is moved.So, in technical scheme described in this example, there is no strict requirements to the skin-friction coefficient of space compensation pad 7,
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
Into.Certainly, space compensation pad 7 is in addition to using already mentioned mechanical brakeman and plastic material, can also by glass-reinforced plastic material,
Nylon material or the larger polyurethane material of face rigidity or the larger elastomeric material of face rigidity etc. are made, or are carried by above-mentioned
Composite to material is made, and can be selected as needed 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 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 cushion
The form of putting as shown in Figure 9 and Figure 10, can be arranged in the lower section of rail with varied using the cushion 8 of strip correspondence,
Constitute the cushion floating ballast bed；Additionally, as shown in figure 11, rail can also be arranged in using the block correspondence of cushion 8
Lower section, constitute the cushion floating ballast bed.
In technical scheme described in this example, because positive stop lug boss 15 is arranged on track plates both sides, therefore need not be set on track plates
Limited impression is put, the structure of track plates is simpler, and because the quantity of positive stop lug boss 15 can be arranged as required to multiple, because
This is to the spacing also relatively reliable of track plates.Cushion pad 14 is set between positive stop lug boss and track plates can be poly- by rubber or elasticity
Urethane elastomeric material is made, and it can suitably deform, on the one hand can be with the impact of cushioning rail plate and vibration, on the other hand
Expanded with heat and contract with cold when can compensate track plates because of temperature change the change in size for causing.
It is noted that plate body lifting structure of the present invention is except the railway roadbed transfer process in different vibration damping forms
In be used for lifting track plates, can also during later stage use, change damping element when be used for lifting track plates.For example it is right
Cushion shown in Figure 10 is floating ballast bed, when needing to change cushion, it is also possible to using the lifting track plates of lifting anchoring piece 30.
This purposes is applied equally to other embodiment of the 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 that limit is provided between track plates and substrate
Position device, the stopping means is the locating part 18 being fixedly installed in substrate 4, and locating part 18 is disposed longitudinally on track along rail
The both sides of plate 2, locating part 18 is fixed in substrate 4 by fastener 19, and cushion pad 14 is set between locating part 18 and track plates 2.
Additionally, 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 the adhesion of space compensation pad 7, set separation layer 80 between track plates 2 and space compensation pad 7, wherein, separation layer
80 are made up 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 scheme described in this example, locating part 18 can easily be torn open from substrate 4
Dress, therefore the relative position between adjustment locating part 18 and track plates is easier, on the other hand, once locating part 18 is damaged
It is bad, change also very convenient.In addition, the selection range of separation layer is extremely wide, can material selection include plastic foil, fabric, paper or
Releasing agent etc., can realize good effect, all among the protection domain of application claims.
Environmental requirement is not reached when the damping property of vibration damping rank type variable railway roadbed of the present invention shown in Figure 12 and Figure 13, it is necessary to
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, then track plates 2 is lifted by plate body lifting structure using instrument, the plate body lift
It is lifting anchoring piece 30 or joint sheeve 81 to rise structure；
(2) according to design requirement, then extraction space compensation pad 7 falls and correction position track plates 2；
(3) Elastic Isolator 83 and height adjusting cushion plate 82 are put into the joint sheeve 81 set in the plate body of track plates 2, in base
Alignment pin 84 is fixedly installed on bottom 4 cross spacing is constituted to Elastic Isolator 83, steel spring conduct is used in Elastic Isolator 83
Flexible member, the jacking leveling of track plates is completed according to the floating ballast bed jacking leveling method of Elastic Isolator, realize elasticity every
Shake elastic bearing of the device 83 to track plates 2, further, since the Elastic Isolator 83 that steel spring is made has had enough transverse directions just
Degree, therefore installation locating part 18 need not be again retightened, to prevent between foreign matter injection plate 2 and substrate 4, in track plates 2
Both sides are fixedly installed sealing skirtboard 85；
(4) Elastic Isolator and height adjusting cushion plate are installed in all track plates according to the method described above, are completed to track plates
Jacking leveling, is then linked together adjacent orbit plate using shear hinge 90, is finally retightened rail and is adjusted rail and rises
Degree, that is, it is floating ballast bed to constitute the cushion, specifically as shown in Figure 14 and Figure 15.
It is pointed out that the concrete structure according to joint sheeve is different, the floating ballast bed jacking leveling of Elastic Isolator
Method is different, for example the grade of Patent No. 200710013713.1 and 200910013964.9 and 200910019752.1 China
In patent, the jacking leveling method floating ballast bed to the Elastic Isolator using different structure joint sheeve all gives detailed
Description, understands grasp, herein not reinflated narration by industry.It is however emphasized that a bit, during jacking leveling, using connection
Floating plate is lifted away from substrate, therefore lifting anchoring piece 30 and joint sheeve 81 all as plate by knot sleeve 81 as plate body lifting structure
Body lifting structure is used.The species of heretofore described Elastic Isolator elastic element can be with varied, except having carried
The steel spring for arriving can also be that rubber spring or elastic polyurethane spring, or rubber-metal are compound as flexible member
Spring or air spring.Certainly, if the lateral stiffness of Elastic Isolator is not enough, after the jacking for completing step (3) is installed,
Again installation locating part 18 can also be retightened in substrate 4, the relative displacement using locating part 18 to track plates is provided can
By spacing.
In addition it is noted that vibration damping rank type variable railway roadbed of the present invention shown in Figure 12 and Figure 13 is except can easily turn
Change into Elastic Isolator it is floating ballast bed beyond, it is floating ballast bed to be easily converted to cushion, still by taking track plates 2 as an example,
Can operate as follows：
(1) locating part 18 of the both sides of track plates 2 is removed；
(2) it is identical with the description in embodiment one, track plates 2 are lifted by plate body lifting structure using instrument, make rail
The lifting of guidance tape 2 departs from the surface of substrate 4, and the plate body lifting structure is lifting anchoring piece 30；
(3) according to design requirement, extraction space compensation pad 7 loads cushion 8；
(4) track plates 2 are fallen again and is placed on cushion 8, between being provided with 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-use fastener 19 and locating part 18 is fixed on track
The both sides of plate 2, it is specific as shown in figure 16；
(5) after being respectively provided with cushion below all track plates according to the method described above, retighten rail and adjust rail top
Highly, that is, the cushion is constituted floating ballast bed.
Especially it is noted that because locating part 18 can be pulled down easily, being also more convenient to extract space compensation pad, and
Load cushion.
As described above as can be seen that the vibration damping rank type variable railway roadbed of the present invention described in this example can easily by common
Ballast bed structure is changed to the floating ballast bed structure of cushion or the floating ballast bed structure of Elastic Isolator, can meet 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 substantially increase cost, but for vibration damping
It is required that change or change, vibration damping rank type variable railway roadbed of the present invention can rapidly make 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,
Satisfied effectiveness in vibration suppression is reached, its applicability is extremely strong, and cost performance is higher, with wide market application foreground.
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 the institute of embodiment three
The difference for stating vibration damping rank type variable railway roadbed is that stopping means is provided between track plates 2 and substrate 4, and stopping means is track
The positive stop lug boss 23 that the portion integralization of plate 2 is set, sets limited impression and coordinates with positive stop lug boss 23 in corresponding substrate 4.Additionally,
Plate body lifting structure is additionally provided with track plates 2, plate body lifting structure is the lifting slot to make way 22 that track plates both sides are set.Mend in space
Repay plate 7 using Patent No. 200920021001.9 Chinese patent described in mechanical brakeman be made.
Compared with embodiment three, in the technical scheme described in this example, the positive stop lug boss and base set using track plates bottom
The limited impression set on bottom coordinates, and is relatively moved along the horizontal level of rail between limitation track plates and substrate, ballast bed structure
Outside is related to part less without additional structure, also easily facilitates routine servicing.Additionally, vibration damping rank of the present invention can described in this example
Variant railway roadbed be changed into cushion it is floating ballast bed when, because the side lower part of track plates two is provided with lifting slot to make way 22, using elasticity
When pad replaces space compensation pad, it is possible to use hanging device is sling track plates by lifting slot to make way 22, it is also possible to utilize thousand
The instruments such as jin top, directly lift track plates by support of substrate, and other processes are essentially identical with description in embodiment three,
This is not repeated that the cushion ballast bed structure for obtaining is specifically as shown in figure 19.It is such to be advantageous in that, cannot for hanging device
When the location of arrival, or the hanging device without enough tonnages, it is possible to use the other equipment such as very heavy item realizes lift
Track plates are risen, and then cushion blocking is changed, practicality and applicability are all more preferable.In addition, as shown in figure 20, described in this example originally
It is floating ballast bed that the transformation of invention vibration damping rank type variable railway roadbed forms Elastic Isolator, except being not provided with locating part and track plates in this example
Lifting method beyond difference, other processes are essentially identical, are also not repeated herein.
Embodiment five
Vibration damping rank type variable railway roadbed of the present invention as shown in figure 21, the difference with example IV is, track plates 2 and substrate
Stopping means is provided between 4, stopping means is the positive stop lug boss 24 of integrated setting in substrate 4, and the positive stop lug boss 24 is set
Limited impression is set below track plates 2, on corresponding track plates 2 to coordinate with it.Additionally, lifting slot to make way 22 is arranged on track
The middle part of the side of plate 2.
Compared with example IV, in technical scheme described in this example, because track plates lower substrates are provided with positive stop lug boss, because
Water easy-storing is not allowed under this cushion blocking, effectiveness in vibration suppression is more stable.Know-why based on this example, vibration damping rank type variable road of the present invention
Bed can also be using the structure shown in Figure 23, it is ensured that under cushion blocking will not water, all within the protection domain of application claims.
Vibration damping rank type variable railway roadbed of the present invention described in this example be converted to 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 instrument, the lifting of track plates 2 is departed from the surface of substrate 4,
The plate body lifting structure is lifting slot to make way 22；
(2) according to design requirement, extraction section space compensation pad 7 loads cushion 8, and 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 cushion 8, the position of correcting track plate 2, tool
Body is as shown in figure 22；
(4) after being respectively provided with cushion below all track plates according to the method described above, retighten rail and adjust rail top
Highly, that is, the cushion is constituted floating ballast bed.
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 the bottom of track plates 2 is symmetrical arranged two positive stop lug boss 25 along rail longitudinal direction, and positive stop lug boss 25 is away from track plates both sides
Certain distance is kept, limited impression is set in corresponding substrate 4 and is coordinated with positive stop lug boss.Additionally, lifting slot to make way 22 is arranged on
The middle part of the side of track plates 2.In addition, the surface of substrate 4 of track plates both sides sets diversion slope.
Vibration damping rank type variable railway roadbed of the present invention described in this example be converted to cushion it is floating ballast bed when, its operating method and reality
The description applied in example five is essentially identical, is not repeated herein.The floating ballast bed structure of gained cushion is as shown in figure 25.
Compared with example IV, in technical scheme described in this example, track plates bottom is symmetrical arranged two positive stop lug boss of setting
25, thus it is spacing relatively reliable.Further, since the surface of substrate 4 of track plates both sides is provided with diversion slope, can be effectively to track
Plate guided outside current, prevent the 8 times immersions of space compensation pad 7 or cushion.In addition it is noted that based on the skill described in this example
Art principle, in addition to can be in the positive stop lug boss that track plates bottom is set along rail longitudinal direction, it is also possible to set along rail transverse direction
Positive stop lug boss, limited impression and positive stop lug boss are set in corresponding substrate and are coordinated, with track plates during preventing use in steel
Relatively moved between rail transverse direction and substrate 4, it is, of course, also possible to set along rail longitudinal direction and along the spacing of rail transverse direction simultaneously
Boss, sets limited impression and coordinates with positive stop lug boss in corresponding substrate, the relative shifting between limitation track plates and substrate comprehensively
Dynamic, these technical schemes are all based on the simple change of the technology of the present invention principle, are only described with word herein, all in this hair
Among the protection domain of bright requirement.
Based on the technical scheme recorded in previous embodiment, plate body lifting structure can be the lifting anchor set on track plates
Firmware or lifting slot to make way or/and joint sheeve, all in the protection domain of application claims.
Embodiment seven
Vibration damping rank type variable railway roadbed of the present invention, is space compensation with the difference of embodiment one as shown in Figure 26 and Figure 27
Pad 7 uses hard rubber pad, in order to limit the movement of the horizontal relative position between track plates and substrate 4, between track plates and substrate 4
Stopping means is provided with, stopping means is the positive stop lug boss 9 of integrated setting in substrate 4, and positive stop lug boss 9 is arranged on adjacent orbit plate
Between, limited impression is respectively provided with corresponding adjacent orbit plate and is coordinated with positive stop lug boss, set between positive stop lug boss and track plates
Put cushion pad 10.
In general, for convenience of lifting, the length of track plates is advisable with no more than 25m, profit between track plates and track plates
Separated with template, this point can equally be well applied to other embodiment of the invention, be described in this together.In addition, cushion pad
10 can be made up of rubber or elastic polyurethane elastomeric material, and it can suitably deform, on the one hand can be with cushioning rail plate
Impact and vibration, the change in size for causing of being expanded with heat and contract with cold when on the other hand can also compensate track plates because of 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 cushion and embodiment one
Description it is identical, be not repeated herein description, also still further accompanying drawing is not described.Due to being provided with positive stop lug boss 9 in substrate
Track plates are carried out it is spacing, therefore in this example space compensation pad also without skin-friction coefficient very high, its selection range is more
Extensively.
By above-described embodiment as can be seen that vibration damping rank type variable railway roadbed of the present invention can be conveniently added with or change not
The damped products of same type, solve current various railway roadbed vibration damping forms single, it is impossible to conveniently realize the conversion of vibration damping rank, difficult
To adapt to the problem of vibration damping changes in demand, its simple structure, constructing operation is simpler, and economy and practicality are more preferably, safe
Reliable, market application foreground is very wide.Additionally, above-described embodiment understands know-why of the invention primarily to facilitating,
The content of above-described embodiment record is not limited to, 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 can re-start combination or utilize to technical scheme described in above-described embodiment
Similar technique is simply replaced to some of which element, as long as being based on know-why of the invention, all in protection of the invention
In the range of.
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, and its feature exists
Independent space compensation pad is set between track plates and substrate, plate body lifting structure is additionally provided with track plates.
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
Material film, fabric, paper or releasing 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 slot to make way or/and joint sheeve of upper setting.
5. vibration damping rank type variable railway roadbed according to claim 1, it is characterised in that limit is provided between track plates and substrate
Position device.
6. vibration damping rank type variable railway roadbed according to claim 5, it is characterised in that stopping means is to be fixed on base
Locating part on bottom, locating part is disposed longitudinally on track plates both sides along rail, and cushion pad is set between locating part and track plates.
7. vibration damping rank type variable railway roadbed according to claim 5, it is characterised in that stopping means is integration in substrate
The positive stop lug boss of setting, the positive stop lug boss is disposed longitudinally on track plates both sides along rail；Or the positive stop lug boss is arranged on
Track plates lower section, sets limited impression and coordinates with it on corresponding track plates；Or positive stop lug boss be arranged on adjacent orbit plate it
Between, limited impression is respectively provided with corresponding adjacent orbit plate and is coordinated with positive stop lug boss, set between positive stop lug boss and track plates
Cushion pad.
8. vibration damping rank type variable railway roadbed according to claim 5, it is characterised in that stopping means is track plates bottom one
The positive stop lug boss that bodyization is set, sets limited impression and coordinates with positive stop lug boss in corresponding substrate.
9. a kind of vibration damping rank type variable railway roadbed is changed into the floating ballast bed method of cushion, it is characterised in that including following step
Suddenly：
(1) track plates are lifted by plate body lifting structure using instrument；
(2) according to design requirement, extract the space compensation pad of suitable thickness out, load cushion；
(3) track plates are fallen again and are placed on cushion, and calibration track plates position；
(4) after being respectively provided with cushion below all track plates according to the method described above, retighten rail and adjust rail heights of roofs,
Constitute the cushion floating ballast bed.
10. vibration damping rank type variable railway roadbed is changed into the floating ballast bed method of Elastic Isolator according to claim 9, and it is special
Levy is that locating part is vertical along rail when stopping means is the locating part being fixed in substrate in vibration damping rank type variable railway roadbed
During to being arranged on track plates both sides, comprise the following steps：
(1) locating part of track plates both sides is removed；
(2) track plates are lifted by plate body lifting structure using instrument；
(3) according to design requirement, extract the space compensation pad of suitable thickness out, load cushion；
(4) track plates are fallen again and is placed on cushion, then locating part is installed solid by the position of correcting track plate again
It is scheduled on the both sides of track plates；
(5) after being respectively provided with cushion below all track plates according to the method described above, retighten rail and adjust rail heights of roofs,
Constitute the cushion floating ballast bed.
A kind of 11. vibration damping rank type variable railway roadbeds are changed into the floating ballast bed method of Elastic Isolator, it is characterised in that including such as
Lower step：
(1) track plates are lifted by plate body lifting structure using instrument；
(2) according to design requirement, extract the space compensation pad of suitable thickness out, then fall and correction position track plates；
(3) Elastic Isolator and height adjusting cushion plate are placed in the joint sheeve set in track plates plate body, is floated according to Elastic Isolator
The jacking leveling method for putting railway roadbed completes jacking leveling, realizes elastic bearing of the Elastic Isolator to track plates；
(4) Elastic Isolator and height adjusting cushion plate are installed in all track plates according to the method described above, the jacking to track plates is completed
, then using shearing be connected together through a hinge adjacent orbit plate by leveling, is finally retightened rail and is adjusted rail heights of roofs, i.e. structure
It is floating ballast bed into the cushion.
The 12. vibration damping rank type variable railway roadbeds according to claim 11 are changed into the floating ballast bed method of Elastic Isolator, its
It is characterised by that locating part is along rail when stopping means is the locating part being fixed in substrate in vibration damping rank type variable railway roadbed
When being disposed longitudinally on track plates both sides, before step (1) lifting track plates, first locating part is removed, complete to push up in step (3)
After rising leveling, the lateral stiffness according to Elastic Isolator chooses whether to retighten installation locating part.
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| CN201710322387.6A CN106930159B (en) | 2017-05-09 | 2017-05-09 | Vibration damping rank type variable railway roadbed and its application method |
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