CN102031733B - Side-mounted floating track bed and its application - Google Patents
Side-mounted floating track bed and its application Download PDFInfo
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- CN102031733B CN102031733B CN2009100195314A CN200910019531A CN102031733B CN 102031733 B CN102031733 B CN 102031733B CN 2009100195314 A CN2009100195314 A CN 2009100195314A CN 200910019531 A CN200910019531 A CN 200910019531A CN 102031733 B CN102031733 B CN 102031733B
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- 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
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Abstract
The invention belongs to track beds and particularly discloses a side floating track bed. The side floating track bed comprises a floating plate, a gasket and an elastic vibration isolator, wherein the elastic vibration isolator is arranged on the lower outside of the floating plate and supported on the floating plate by the gasket. The side floating track bed is characterized in that: an ejection through hole is formed at the position, corresponding to the elastic vibration isolator, on the floating plate; the contour size of the gasket is greater than that of the ejection through hole, and an opening is formed on the gasket; and the opening of the gasket is at least partly overlapped with the projection of the ejection through hole on the top face of the elastic vibration isolator in a working state. The side floating track bed greatly reduces the used amount of the elastic vibration isolator, can greatly reduce the working amount and operation difficulty of the ejection and post overhauling of the floating track bed, and is improved in all aspects including construction period, manufacturing difficulty, manufacturing cost, maintenance cost and the like. The invention is a revolution in the technical field of the side floating track beds, and the economical and social benefit of the side floating track bed will be fully demonstrated in a very short time in the future, so that the fast popularization of the side floating track bed technology is promoted.
Description
Technical field
The invention belongs to field of track traffic, relate to a kind of ballast bed of track, be specially a kind of side-mounted floating ballast bed.
Background technology
Along with social development and scientific and technological progress, the development of urban track traffic is more and more paid attention in each big and medium-sized cities, and city rail construction, particularly metro construction also launch in succession.In order to reduce the interference to track top or peripheral property and resident, at special sector, the floating plate railway roadbed being set is an important vibration isolation measure in Metro Design.Side-mounted floating ballast bed because of its floating plate simple in structure, good economy performance, floating plate thickness is limited few, thereby has obtained the welcome in market.The Chinese patent that is ZL2004100354411 such as the patent No. discloses a kind of side-mounted floating ballast bed structure, its floating plate is tabular, frame shape or ladder shape, the spring vibration isolation device is uniformly distributed in the floating plate both sides, the spring vibration isolation device is arranged on the below of floating plate, is bearing on the outside bottom surface of floating plate.Because the spring in the spring vibration isolation device and damping and floating plate form the vibrating isolation system that intrinsic frequency is lower, vibrational energy that can absorbing structure, by the medium-high frequency dynamic loading isolation be delivered on floating plate, thereby realize good effect of vibration and noise reduction.But, this side floating track bed jacking and while safeguarding, because needs are directly propped up floating plate with jack, for preventing small size, concentrate damage floating plate plate body when stressed, or floating plate destroys because bending is excessive, must be by the whole jacking simultaneously of floating plate or from the large stretch of jacking simultaneously continuously of an end, and the jacking changeover portion is set, lift-up device is complicated, Jacking point is many, complicated operation and dangerous, during misoperation, also can push up and split floating plate, can't resemble built-in type floating track bed and realize the man-to-man fast servo of spring vibration isolation device is installed or maintain and replace.Again owing in most cases on floating plate, fixedly having laid rail, for preventing deformation of rail, before jacking, usually need to remove rail, and after jacking, reinstall and adjust centering, very inconvenient, need useless a large amount of man-hours of consumption and manpower and materials, due to length consuming time, therefore many time, even can have influence on the normal operation of track traffic.
Therefore, although side floating track bed is more simple in structure than built-in type floating obstetric table, cost is low, above-mentioned defect has restricted applying of side floating track bed to a great extent, up to now, applies very few.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, a kind of side floating track bed that can realize the man-to-man fast servo installation of Elastic Isolator or maintain and replace is provided.
Side floating track bed of the present invention is to realize like this, comprise floating plate, pad and Elastic Isolator, Elastic Isolator is arranged on the outside, below of floating plate, and be bearing on floating plate by pad, it is characterized in that on floating plate, corresponding Elastic Isolator lay down location arranges the jacking through hole, the overall size of pad is greater than the overall size of jacking through hole, and opening is set on pad, and the pad opening is lower in working order to coincide with the small part that is projected to of jacking through hole at the Elastic Isolator end face.
The shape of cross section of described jacking through hole can be the shapes such as circle, triangle, square, ellipse, rectangle or regular hexagon, as long as can realize the cooperation that contacts of jack and Elastic Isolator, or realize effectively articulating and coordinating with lift-up device, can realize same function.
For the ease of to Elastic Isolator, carrying out spacing, in the situation that floating plate thickness allows, the side groove is set on floating plate, and pad and Elastic Isolator are placed in the side groove at least partly, and the Elastic Isolator end face is bearing in by pad on the side groove of floating plate both sides on end face.Certainly, in order to adapt to spacing under various conditions, also can prevent in the upper and lower surface setting of Elastic Isolator the coupling arrangement of its horizontal shift, the top coupling arrangement connects with pad or floating plate, the below coupling arrangement connects with basis, and coupling arrangement is mechanical brakeman, bolt or concaveconvex structure.
In addition, in order to facilitate single jacking installation or maintain and replace Elastic Isolator, in the jacking through hole or jacking is set on every side holds the power member.The form that the power member is held in described jacking is varied, can be the jacking block arranged in the jacking through hole; One mount hole perhaps is set below the jacking through hole, mount hole is slightly larger than the jacking through hole, and the jacking through hole is combined into a shoulder hole together with mount hole, and the shoulder that the power member is the ladder place is held in jacking; It can be also, in the jacking through hole or around the jacking through hole, the jacking bolt hole is set that the power member is held in jacking, or shackle or pin-and-hole otic placode or T-shaped keyhole; In addition, it can also be, in the jacking through hole, coupling sleeve is set that the power member is held in jacking, and it is that the jacking block is set on coupling sleeve that the power member is held in jacking, or bolt hole or shackle or pin-and-hole otic placode or T-shaped keyhole.
For prevent foreign material from the jacking through hole fall into floating ballast bed in, on the jacking through hole, end cap is set.In addition, it should be noted that, Elastic Isolator described in the present invention comprises various ways, such as being steel spring vibration isolator, rubber shock absorber or air cushion shock absorber etc., the flexible member wherein adopted can be helical steel springs, dish spring or rubber-metal complex spring, can be also the rubber elastomeric material, the solid damping materials such as the fluid damping materials such as silicone oil or rubber can also be set in Elastic Isolator.
Be second order of the present invention, a kind of installation and raising method of side floating track bed Elastic vibration isolator be provided, comprise following steps:
1) Elastic Isolator is positioned over below the side groove of both sides, floating plate below;
2) pressure output end of lift-up device is put into to the jacking through hole, the support that relies on jacking to hold the power member, utilize the lift-up device reinforcing in the Elastic Isolator end face, until Elastic Isolator end face and Side put the gap that occurs being greater than spacer thickness on groove between end face;
3) will put into Elastic Isolator and Side with the pad of opening and put on groove between end face, the opening of pad can hold the pressure output end of lift-up device, the thickness of pad according to Elastic Isolator load stroke or top lifting height need arrange;
4) by the lift-up device unloading, pad is put the groove end face with Elastic Isolator and Side and is contacted, and this Elastic Isolator is realized carrying;
5) so adjacent Elastic Isolator is increased to pad one by one, until floating plate breaks away from ground;
6) according to total top lifting height requirement, substep is adjusted thickness or the quantity of pad above Elastic Isolator one by one, until floating plate reaches predetermined altitude.
The 3rd purpose of the present invention is to provide a kind of maintenance replacing method of side floating track bed Elastic vibration isolator, it is characterized in that comprising following steps:
1) pressure output end of lift-up device is put into to the jacking through hole, the support that relies on jacking to hold the power member, utilize lift-up device reinforcing end face on Elastic Isolator, disengages until pad and Side put end face on groove;
2) pad is taken out;
3) by the lift-up device unloading, after the Elastic Isolator resilience, put the groove end face with Side and no longer contact, Elastic Isolator is taken out under Side puts groove, overhaul or change;
4) Elastic Isolator after will overhauling or change is put into floating plate Side by side and is put groove;
5) pressure output end of lift-up device is put into to the jacking through hole, the Elastic Isolator end face is loaded, elasticity of compression vibration isolator, until Elastic Isolator end face and Side put the thickness that the gap between end face on groove is greater than pad;
6) pad is put into to this gap,
7) make lift-up device unloading, Elastic Isolator resilience, compress gasket;
8) as required, repeat above-mentioned steps, other Elastic Isolator is overhauled or changes.
During jacking, Elastic Isolator is placed in the side groove of floating plate, by the jacking through hole, directly be pressed in jack piston or its extension on Elastic Isolator, again lift-up device is fixed on rail, with rail, provide support counter-force, utilize the jack work elasticity of compression vibration isolator of exerting pressure, then pad is inserted between Elastic Isolator and floating plate, while inserting, utilize the opening that arranges on pad to step down for jack piston or its extension, described jack piston extension refers in order to increase effective jacking active length of jack, before jack piston, set up the cushion block be mated, by the jack pressure release, the Elastic Isolator resilience, pad is pressed on side groove end face, and floating plate is supported by Elastic Isolator, completes the jacking of a station.Other stations are carried out to jacking successively according to the method described above, when the Elastic Isolator of supporting floating plate was abundant, floating plate will break away from surface of base fully, is floated by Elastic Isolator elasticity in batches.Utilize said method the levelness of floating plate to be met design requirement by the gross thickness of adjusting pad, and reach suitable working depth, finally form side floating track bed of the present invention.During maintain and replace, still utilize jack by jacking through hole elasticity of compression vibration isolator, take off pad, then let out and carry jack, then take out Elastic Isolator, corresponding bad element is carried out according to aforementioned way jacking again, installing and getting final product again after maintain and replace.Like this, just can realize the man-to-man fast servo of Elastic Isolator is installed or maintain and replace.In maintenance process, because the Elastic Isolator of other positions is still keeping effectively supporting, while therefore taking out some Elastic Isolators, too large variation can not occur in the space of floating plate, so do not need to remove rail.Due to without removing rail, compared with prior art greatly shorten the maintenance time of side floating track bed of the present invention, therefore in the traffic operation gap, just can complete maintain and replace, and having avoided stops transport keeps in repair the various losses that cause.
In addition, when floating plate thinner, floating plate side groove depth is not enough to swing in advance on Elastic Isolator or floating plate when the side groove is not set, can continue to use the method integral jacking floating plate of prior art, after Elastic Isolator and pad are put in relevant position, fall floating plate, then according to the gross thickness of the improper station pad of preceding method adjustment, the levelness of floating plate is met design requirement, and reach suitable working depth, finally forming Side of the present invention, to put formula floating ballast bed.During maintain and replace, equally only at bad station with jack by jacking through hole elasticity of compression vibration isolator, take off pad, then let out and carry jack, then take out Elastic Isolator, corresponding bad element is carried out according to aforementioned way jacking again, installing and getting final product again after maintain and replace, like this, can realize the man-to-man fast servo of Elastic Isolator is installed or maintain and replace, overall process does not need to remove rail yet, can not cause stopping of traffic operation yet yet.
When Side puts slot length and floating plate when isometric, be a special case, for section, be the staged floating plate of inverted "convex" shape.Side put groove short be conducive to increase weight and the rigidity of floating plate, favourable to the dynamic characteristics of floating plate.
Side floating track bed of the present invention, by the jacking through hole is set on floating plate, utilize the direct elasticity of compression vibration isolator of jack, thereby realized smoothly the man-to-man fast servo of Elastic Isolator is installed or maintain and replace, overcome in prior art when jack supports and directly contacted floating plate, running into that individual station need to adjust also must whole lifting floating plate or the defect of larger area lifting floating plate, greatly shortened construction period, reduced construction cost, it is simple in structure, easy to operate, dependable performance, high efficiency, applicability is strong, can be widely used in railway, subway, the various field of track traffic such as overhead railway or urban light rail.Side floating track bed of the present invention, applicability is stronger, and jacking installation and regular maintenance are more convenient, when not affecting vibration isolation efficiency, significantly reduced construction cost, cost performance is higher, is conducive to side floating track bed technology applying in a wider context, and market application foreground is very wide.
The true value of side floating track bed of the present invention is, has overcome traditional side-mounted railway roadbed for a long time and can't realize that the man-to-man fast servo of spring vibration isolation device is installed or the difficult problem of maintain and replace.In addition, in built-in type floating track bed, because the reserved through hole that needs utilization to offer on floating plate is installed in loading and unloading and the jacking of Elastic Isolator, intensity for reduction floating plate within reason, the size of Elastic Isolator is strictly limited, usually can only adopt the Elastic Isolator that size is less, bearing capacity is less, increase simultaneously the technical scheme of Elastic Isolator usage quantity.This type of technical scheme, not only improved the manufacture difficulty of floating plate and the usage quantity of Elastic Isolator, also greatly increased the workload that the Elastic Isolator jacking is installed.Because the Elastic Isolator of side floating track bed of the present invention loads and unloads from the side, unlike built-in railway roadbed, need on floating plate, offer the reserved through hole corresponding with the Elastic Isolator size, therefore can adopt the large-scale Elastic Isolator that appearance and size is large, bearing capacity is stronger, like this, in side floating track bed structure of the present invention, can adopt the bearing capacity that improves single Elastic Isolator, reduce simultaneously the technical scheme of Elastic Isolator usage quantity.The application of this technical scheme, to greatly reduce the usage quantity of Elastic Isolator, and can significantly reduce workload and the operation easier of floating ballast bed jacking and later stage maintenance, all realize qualitative leap from each side such as construction period, manufacture difficulty, manufacturing cost, maintenance costs.To sum up, the appearance of side floating track bed technology of the present invention, it is the revolution of side floating track bed technical field, its huge technical advantage, economic benefit and social benefit will just be fully demonstrated in the short time at the following utmost point, will promote the rapid popularization of side floating track bed technology.
The accompanying drawing explanation
Fig. 1 is one of structural representation of side floating track bed of the present invention.
Fig. 2 is the A-A partial sectional view of Fig. 1.
Fig. 3 is the schematic appearance of side floating track bed Intermediate gasket of the present invention.
Fig. 4 is the jacking process schematic diagram of side floating track bed shown in Figure 1.
Fig. 5 be side floating track bed of the present invention structural representation two.
Fig. 6 is that the B-B of Fig. 5 is to partial sectional view.
Fig. 7 be side floating track bed of the present invention structural representation three.
Fig. 8 is that the C-C of Fig. 7 is to partial sectional view.
Fig. 9 be side floating track bed of the present invention structural representation four.
Figure 10 is that the D-D of Fig. 9 is to partial sectional view.
Figure 11 be side floating track bed of the present invention structural representation five.
Figure 12 be side floating track bed of the present invention structural representation six.
Figure 13 is that the E of Figure 12 is to partial view.
Figure 14 is one of structural representation of lift-up device.
Figure 15 is that the F of Figure 14 is to view.
Figure 16 is lift-up device shown in Figure 15 and the schematic diagram that coordinates of side floating track bed of the present invention shown in Figure 12.
Figure 17 is the application schematic diagram of lift-up device shown in Figure 15 in side floating track bed of the present invention shown in Figure 12.
Figure 18 be side floating track bed of the present invention structural representation seven.
Figure 19 is that the G of Figure 18 is to partial view.
Figure 20 is the application schematic diagram of lift-up device shown in Figure 15 in side floating track bed of the present invention shown in Figure 19.
Figure 21 be side floating track bed of the present invention structural representation eight.
Figure 22 is that the H of Figure 21 is to partial view.
Figure 23 be lift-up device structural representation two.
Figure 24 is that the J of Figure 23 is to view
Figure 25 is the application schematic diagram of lift-up device shown in Figure 23 in side floating track bed of the present invention shown in Figure 21.
Figure 26 be side floating track bed of the present invention structural representation nine.
Figure 27 is the jacking scheme of installation of side floating track bed of the present invention shown in Figure 26.
Figure 28 be side floating track bed of the present invention structural representation ten.
Figure 29 is the application schematic diagram of lift-up device shown in Figure 15 in side floating track bed of the present invention shown in Figure 28.
Figure 30 be side floating track bed of the present invention structural representation 11.
The specific embodiment
Embodiment mono-
Side floating track bed of the present invention as shown in Figure 1, Figure 2, Figure 3 shows, comprise floating plate 1, Elastic Isolator 2 and pad 3, Elastic Isolator 2 is arranged in the side groove 5 of floating plate 1 side, below, and be bearing on floating plate 1 by pad 3, on floating plate 1, corresponding position of putting Elastic Isolator 2 arranges jacking through hole 7, on pad 3, also be provided with opening 10, the position of opening 10 is corresponding with jacking through hole 7.The Elastic Isolator 2 used in this example is the inner helical steel springs vibration isolator that is provided with silicone oil liquid damping material.Track structure 4 is arranged on floating plate 1, and track structure described herein, except comprising rail, can also comprise the auxiliary elements such as sleeper and fastener.In the upper and lower surface setting of Elastic Isolator 2, prevent the coupling arrangement of its horizontal shift, the top coupling arrangement for and pad 3 between have a very mechanical brakeman 9 of great friction coefficient, the below coupling arrangement is for embedding the taper projections 8 of utilizing built-up welding to arrange at Elastic Isolator base plate soffit in basis 6.At the top of jacking through hole, also be provided with the end cap 20 that prevents that foreign matter from falling into.
As shown in Figure 5, lift-up device is comprised of lifting beam 13, jack 14, cushion block 15.During jacking, at first Elastic Isolator 2 is placed in the side groove 5 arranged on floating plate 1, will be placed directly in Elastic Isolator 2 be used to cushion block 15 and the jack 14 that increases the jack impulse stroke by jacking through hole 7; Jacking 13 is fixed on rail 21, wherein rail 21 is fixedly connected on floating plate 1 together with sleeper 12, fastener 11 again; Drive jack 14, with lift-up device 13 and rail 21, provide support counter-force, utilize jack 14 elasticity of compression vibration isolator 2 of exerting pressure, then pad 3 is inserted between Elastic Isolator 2 and floating plate 1, while inserting, utilize the opening 10 arranged on pad 3 to step down for cushion block 15; By jack 14 pressure releases, Elastic Isolator 2 resiliences, pad 3 is pressed on side groove 5 end faces, and floating plate 1 is supported by Elastic Isolator 2, completes the jacking of a station.Other stations are carried out to jacking successively according to the method described above, when the Elastic Isolator 2 of supporting floating plate 1 was abundant, floating plate 1 will break away from basic 6 surfaces fully, is floated by Elastic Isolator 2 elasticity in batches.Utilize said method the levelness of floating plate to be met design requirement by the gross thickness of adjusting pad 3, and reach suitable working depth, finally form side floating track bed of the present invention.Spring in Elastic Isolator and damping and floating plate form the vibrating isolation system that intrinsic frequency is lower, and vibrational energy that can absorbing structure by the medium-high frequency dynamic loading isolation be delivered on floating plate, thereby is realized the purpose of vibration and noise reducing.In like manner, during maintain and replace, still utilize jack 14 by jacking through hole 7 elasticity of compression vibration isolators 2, take off pad 3, then let out and carry jack 14, then take out Elastic Isolator 2, corresponding bad element is carried out according to aforementioned way jacking again, installing and getting final product again after maintain and replace.Like this, just can realize the man-to-man fast servo of Elastic Isolator is installed or maintain and replace.In maintenance process, because the Elastic Isolator of other positions is still keeping effectively supporting, while therefore taking out some Elastic Isolators, too large variation can not occur in the space of floating plate, so do not need to remove rail.Due to compression is Elastic Isolator, its loading force is by the decision of the rigidity of Elastic Isolator and compression displacement, be static determinacy and determine, in the jacking process, the bearing capacity of adjacent vibration isolator is redistribution and adjustment automatically, jointly share the weight of floating plate, not there will be local jacking overload and the destruction floating plate.Due to without removing rail, compared with prior art greatly shorten the maintenance time of side floating track bed of the present invention, therefore in the traffic operation gap, just can complete maintain and replace, and having avoided stops transport keeps in repair the various losses that cause.
In the present invention, it is steel-rail structure that the power member is held in jacking, specifically the fixing bolt hole of the rail clip of rail.
For ease of processing and avoiding stress to concentrate, jacking through hole 7 is arranged to cylindrical hole in this example, but be based on the technology of the present invention principle, other shapes such as that the shape of cross section of jacking through hole also can be arranged to is square, oval, rectangle or regular hexagon, as long as can realize the cooperation that contacts of jack and Elastic Isolator, can realize same function.
Side floating track bed of the present invention, by the jacking through hole is set on floating plate, utilize the direct elasticity of compression vibration isolator of jack, thereby realized smoothly the man-to-man fast servo of Elastic Isolator is installed or maintain and replace, overcome in prior art when jack supports and directly contacted floating plate, running into that individual station need to adjust also must whole lifting floating plate or the defect of larger area lifting floating plate, greatly shortened construction period, reduced construction cost, it is simple in structure, easy to operate, dependable performance, high efficiency, applicability is strong, can be widely used in railway, subway, the various field of track traffic such as overhead railway or urban light rail.Side floating track bed of the present invention, applicability is stronger, and jacking installation and regular maintenance are more convenient, when not affecting vibration isolation efficiency, significantly reduced construction cost, cost performance is higher, is conducive to side floating track bed technology applying in a wider context, and market application foreground is very wide.
In addition, the Elastic Isolator that side floating track bed of the present invention was suitable for comprises various ways, except the steel spring vibration isolator, can also adopt the isolation mounting of the forms such as rubber shock absorber or air cushion shock absorber, the flexible member wherein adopted can also be dish spring or rubber-metal complex spring, can be also the rubber elastomeric material.In Elastic Isolator, except arranging silicone oil, other fluid damping materials such as modified bitumen can also be set, the solid damping materials such as rubber also can be set.In the side floating track bed embodiment of back, be also so, no longer repeatedly be explained.In addition, the shape of pad also is not limited to shape shown in Figure 3, as long as intensity is enough, middle opening can be embodied as smoothly jack piston or its extension is stepped down, and also can be arranged to other shapes such as circle, rectangle.The quantity of pad also can arrange one, two or more as required.
In addition, except the upper and lower surface at Elastic Isolator 2 of mentioning in this example arranges respectively mechanical brakeman 9 and taper projection 8 as preventing the coupling arrangement of its horizontal shift, also can adopt and mechanical brakeman 9 all is set as the coupling arrangement that prevents its horizontal shift on the upper and lower surface of Elastic Isolator 2; Certainly, can also adopt at the Elastic Isolator upper surface and mechanical brakeman 9 is set for spacing, simultaneously, in basis 6 below Elastic Isolator, anchor bolt is set, utilize anchor bolt to coordinate with the shrinkage pool of Elastic Isolator soffit setting technical schemes such as carrying out Horizontal limiting, as long as can realize effectively spacing to Elastic Isolator, can be applied in the present invention.Because above-mentioned Horizontal limiting scheme is the common technology scheme that Horizontal limiting is carried out in this area, therefore at this, only with word, describe accompanying drawing statement no longer one by one.
Embodiment bis-
Side floating track bed of the present invention as shown in Figure 5, Figure 6, with the difference of embodiment mono-, be, because the upper and lower surface at Elastic Isolator 2 in embodiment mono-is provided with respectively mechanical brakeman 9 and the taper projection 8 that prevents its horizontal shift, therefore can effectively guarantee Elastic Isolator 2 occurred level relative shift not in the course of the work, in order further to save material, simplify work progress, reduce costs, in this example, continuous side groove 5 is set on floating plate 1.Elastic Isolator 2 is arranged on the position of corresponding jacking through hole 7 in the side groove accordingly, and the Elastic Isolator 2 adopted in this example is the rubber spring vibration isolator.The jacking of this routine described side floating track bed and maintaining method are identical with embodiment mono-.
Certainly except the Elastic Isolator soffit arranges the taper projection, mechanical brakeman or stone bolt are set for Horizontal limiting, also can realize same effect.
Embodiment tri-
Certainly in order further to reduce costs, in the situation that meet requirement of strength, more shallow side groove 5 can be set on the floating plate of side floating track bed of the present invention, as shown in Figure 7, Figure 8, with embodiment bis-differences, be, only part pad 3 is placed in side groove 5, because mechanical brakeman 9 and taper projection 8 can prevent Elastic Isolator 2 occurred level displacement in the course of the work well, therefore also can realize same vibration isolating effect and function.In addition, for the situation that polylith pad 3 is set, for the sake of security, can utilize securing member that the polylith pad is connected as a single entity, even directly with securing member, be connected on Elastic Isolator.
It is to be noted, owing on floating plate 1, only being provided with very shallow side groove 5, can't before jacking, Elastic Isolator be put to the jacking through hole, therefore, this type of side floating track bed of the present invention can be continued to use the method integral jacking floating plate of prior art, or adopt prefabricated floating plate integral hoisting on Elastic Isolator, after Elastic Isolator and pad are put in relevant position, fall floating plate, the gross thickness of the improper station pad of single adjustment meets design requirement the levelness of floating plate again, and reach suitable working depth, final formation side floating track bed of the present invention.During maintain and replace, equally only at bad station with jack by jacking through hole elasticity of compression vibration isolator, take off pad, then let out and carry jack, then take out Elastic Isolator, corresponding bad element is carried out according to aforementioned way jacking again, installing and getting final product again after maintain and replace, like this, can realize the man-to-man fast servo of Elastic Isolator is installed or maintain and replace, overall process does not need to remove rail yet, can not cause stopping of traffic operation yet yet.
Certainly, the degree of depth of side groove 5 also can suitably increase, and Elastic Isolator also partly is placed in side groove 5, can realize better preventing like this effect moved horizontally.
Embodiment tetra-
Side floating track bed of the present invention, be with the difference of embodiment tri-as shown in Figure 9, Figure 10, in order further to reduce the construction working amount, cancels side groove structure, floating plate 1 made to the armored concrete slab of uniform thickness.Mechanical brakeman 9 also is set prevents the displacement of course of work Elastic vibration isolator occurred level between Elastic Isolator 2 and basis 6.The Elastic Isolator adopted in this example is the inner helical steel springs vibration isolator that is provided with the rubber solids damping material.
Certainly, as shown in figure 11, the utilization shallow slot that jacking through hole 7 bottoms arrange on floating plate 1 is assisted spacing, is also a good selection, so also can not increase a lot of difficulty of construction and cost of production.
Embodiment five
Side floating track bed of the present invention, be with the difference of embodiment mono-as shown in Figure 12 and Figure 13, jacking is set holds the power member jacking through hole 7 is interior, and it is the jacking block 30 that in the jacking through hole, symmetrically arranged two steel plates are made that the power member is held in described jacking.
When jacking installation or maintain and replace, can utilize Figure 14, lift-up device shown in Figure 15, described lift-up device comprises jack 31, articulates piece 32, securing member 33 and connecting rod 34, wherein articulate piece 32 integrally welded with connecting rod 34, and utilizing securing member 33 that jack 31 is fixed together, jack partly is the pressure output end of lift-up device.The concrete steps that jacking is installed are as follows, as Figure 16, shown in Figure 17:
1) Elastic Isolator 2 is positioned over below the side groove 5 of floating plate 1 both sides, below;
2) pressure output end of lift-up device is put into to jacking through hole 7, articulate piece 32 along the dotted line direction put into until its upper surface lower than jacking block 30 soffits, then will articulate approximately 90 ° of piece 32 rotations, make to articulate piece 32 and realize that with jacking block 30 profile is overlapping, drive jack 31, allow and articulate piece 32 and realize articulating with jacking block 30, rely on jacking block 30 to support, utilize the lift-up device reinforcing in Elastic Isolator 2 end faces, elasticity of compression vibration isolator 2, until the gap of spacer thickness occurs being greater than between end face on Elastic Isolator end face 2 and side groove 5;
3) will put into Elastic Isolator 2 and Side with the pad 3 of opening and put on groove 5 between end face, and utilize the opening of pad 3 to dodge jack 31, the thickness of pad 3 according to Elastic Isolator load stroke or top lifting height need arrange;
4) by jack 31 unloadings, Elastic Isolator 2 resiliences, pad 3 is put groove 5 end faces with Elastic Isolator 2 and Side and is contacted, and this Elastic Isolator 2 is realized carrying;
5) so adjacent Elastic Isolator 2 is increased to pad 3 one by one, until floating plate 1 breaks away from ground;
6) according to total top lifting height requirement, substep is adjusted thickness or the quantity of pad 3 above Elastic Isolator 2 one by one, until floating plate 1 reaches predetermined altitude, completes jacking and installs, and forms side floating track bed of the present invention.
Equally also can utilize lift-up device to carry out maintain and replace to the arbitrary Elastic Isolator in this routine described side floating track bed, concrete steps are as follows:
1) pressure output end of lift-up device is put into to the jacking through hole, making to articulate piece 32 realizes articulating with jacking block 30, rely on jacking block 30 as supporting, utilize lift-up device reinforcing end face on Elastic Isolator 2, elasticity of compression vibration isolator 2, disengage until pad 3 is put end face on groove 5 with Side;
2) pad 3 is taken out;
3) by the lift-up device unloading, after Elastic Isolator 2 resiliences, put groove 5 end faces with Side and no longer contact, Elastic Isolator is put to groove from Side and take out for 5 times, overhaul or change;
4) Side that puts into floating plate 1 by side of the Elastic Isolator 2 after will keeping in repair or change puts groove 5;
5) pressure output end of lift-up device is put into to jacking through hole 7, Elastic Isolator 2 end faces are loaded, elasticity of compression vibration isolator 2, until Elastic Isolator 2 end faces and Side put the thickness that the gap between end face on groove 5 is greater than pad 3;
6) pad 3 is put into to this gap,
7) make the lift-up device unloading, Elastic Isolator 2 resiliences, compress gasket 3, realize the carrying to floating plate 1 again;
8) as required, repeat above-mentioned steps, other Elastic Isolator is overhauled or changes.
This example only be take and two jacking blocks are set are described as example, in practical application, three even more jacking blocks also can be set, the jacking block can certainly be connected, be arranged to the jacking baffle ring with central through hole, also can realize same effect.
It should be noted that, for the ease of meaning the structure of side floating track bed of the present invention, in this routine relevant drawings, end cap is not shown, in actual applications for the needs such as meet safety and prevent that foreign matter from falling into, after jacking completes, should on the jacking through hole, set up end cap and seal.In ensuing embodiment, also there is this problem, at this, describe in the lump, repeat no longer one by one.
Embodiment six
As Figure 18, side floating track bed of the present invention shown in Figure 19, know-why based on embodiment five, jacking through hole 7 belows are arranged to mount hole 50, wherein jacking through hole 7 shape of cross sections are rectangle, mount hole 50 shape of cross sections are circular, the size of jacking through hole 7 is slightly larger than the size that articulates piece 32 in lift-up device shown in Figure 14, the overall size of mount hole 50 is greater than the overall size of jacking through hole 7, jacking through hole 7 is together to form a shoulder hole with mount hole 50, utilizes the shoulder 35 at ladder place to hold the power member as jacking.
When jacking installation or maintain and replace, as shown in figure 20, similar to the described step of embodiment five, just, in application process, utilize shoulder 35 to substitute the jacking block 30 in embodiment 5, the piece 32 that articulates of lift-up device changes into shoulder 35 and articulates and coordinate.
The side floating track bed of this structure is due to not other jacking block, and therefore processing is easier, and cost is lower.In addition, form because shoulder utilizes the Reinforced Concrete Materials of floating plate itself, therefore do not have the problems such as corrosion, longer service life.
Embodiment seven
As Figure 21, side floating track bed of the present invention shown in Figure 22, with the difference of embodiment five, be, in this example, it is, around jacking through hole 7, jacking bolt hole 37 is set that the power member is held in jacking, and wherein jacking bolt hole 37 is arranged on the metal anchorage 36 be preset in floating plate 1.
When jacking installation or maintain and replace, utilize as Figure 23, lift-up device shown in Figure 24.Described lift-up device comprises the bracing frame 38 that I-steel forms, and on bracing frame 38, the fixing welding in the position of corresponding metal anchorage 36 is provided with the adpting flange 39 of connecting through hole 40, and same, connecting through hole 40 is also corresponding with the position of jacking bolt hole 37.During application, as shown in figure 25, by connecting through hole 40 and jacking bolt hole 37, utilize securing member 41 that lift-up device and floating plate 1 are linked into an integrated entity, with bracing frame 38, provide support for jack 51, to realize the process of elasticity of compression vibration isolator 2, remaining jacking or maintenance step are basic identical, no longer repeatedly describe.When the impulse stroke of jack 51 is not enough, 42 pairs of not enough impulse strokes of cushion block can be set in addition and recompenses.
Embodiment eight
Side floating track bed of the present invention, be from the different of embodiment seven as shown in figure 26, with pin-and-hole 44, in this example, usings and as jacking, hold the power member with the otic placode 43 of pin-and-hole 44 on the exposed otic placode 43 above floating plate of metal anchorage arranged in floating plate 1
When jacking installation or maintain and replace, as shown in figure 27, utilize the diagram lift-up device, on bracing frame 38 in corresponding floating plate 1 the position correspondence of otic placode 43 junction plate 45 is set, on junction plate 45, respective pin hole 44 arranges connecting hole.During application, by pin-and-hole 44 and connecting hole, utilize securing member, lift-up device and floating plate 1 are linked into an integrated entity.And then by the method for the invention, floating plate is carried out to the jacking installation, or Elastic Isolator is carried out to maintain and replace.
Based on embodiment seven and the described know-why of embodiment eight, it can also be in the jacking through hole or the structures such as the shackle arranged around the jacking through hole or T-shaped keyhole that the power member is held in jacking, as long as lift-up device firmly can be connected with floating plate, for elasticity of compression vibration isolator provides effective support, can realize good effect.
Embodiment nine
Side floating track bed of the present invention, be with the difference of embodiment five as shown in figure 28, on jacking through hole 7 surfaces, coupling sleeve 46 is set, and it is the jacking block 30 be fixedly installed on coupling sleeve 46 that the power member is held in jacking.
When jacking installation or maintain and replace, as shown in figure 29, the jacking block 30 be fixedly installed on piece 32 and coupling sleeve 46 that articulates in lift-up device matches, and implements to get final product with reference to the described step of embodiment five.
Embodiment ten
Side floating track bed of the present invention, be with the difference of embodiment nine as shown in figure 30, jacking bolt hole 47 directly is set as jacking, holds the power member on coupling sleeve.
The structure of this side floating track bed is simpler, uses material also still less, is conducive to cost-saving.
Based on the described know-why of this example, the power member is held in jacking also can, for the structures such as shackle, pin-and-hole otic placode or T-shaped keyhole that arrange on coupling sleeve, also can realize good effect.
Based on know-why of the present invention, except the tabular floating plate described in embodiment, side floating track bed of the present invention can also adopt ladder shape floating plate or other forms of floating plate, also can play same effect.
Claims (4)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100195314A CN102031733B (en) | 2009-09-30 | 2009-09-30 | Side-mounted floating track bed and its application |
| PCT/CN2010/075341 WO2011038612A1 (en) | 2009-09-30 | 2010-07-21 | Side floating road bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100195314A CN102031733B (en) | 2009-09-30 | 2009-09-30 | Side-mounted floating track bed and its application |
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| Publication Number | Publication Date |
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| CN102031733A CN102031733A (en) | 2011-04-27 |
| CN102031733B true CN102031733B (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009100195314A Active CN102031733B (en) | 2009-09-30 | 2009-09-30 | Side-mounted floating track bed and its application |
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| Country | Link |
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| CN (1) | CN102031733B (en) |
| WO (1) | WO2011038612A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306168B (en) * | 2012-03-13 | 2016-01-20 | 隔而固(青岛)振动控制有限公司 | A kind of prefabricated floating plate railway roadbed and construction method thereof |
| CN103306169B (en) * | 2012-03-13 | 2016-01-20 | 隔而固(青岛)振动控制有限公司 | Floating ballast bed plate end isolation mounting |
| CN103336283B (en) * | 2013-06-26 | 2015-09-16 | 上海华测导航技术股份有限公司 | Damping mat in GNSS receiver |
| CN104594137A (en) * | 2014-12-01 | 2015-05-06 | 同济大学 | Urban rail transit shock absorption type floating slab rail system |
| US10435849B2 (en) * | 2015-02-10 | 2019-10-08 | Vianini S.P.A. | Modular system for the laying of underground and railroad and tram lines |
| CN110986845A (en) * | 2019-12-24 | 2020-04-10 | 中铁十八局集团第四工程有限公司 | Monitoring system for replacement of subway rail support and using method |
| CN111501420A (en) * | 2020-03-23 | 2020-08-07 | 株洲时代新材料科技股份有限公司 | Method for improving fatigue resistance of shear hinge, shear hinge and floating track bed |
| CN112816115B (en) * | 2020-12-30 | 2022-06-03 | 隔而固(青岛)振动控制有限公司 | Stress detection method and measuring tool for elastic vibration isolator in built-in floating slab track bed |
| CN112647371B (en) * | 2021-01-14 | 2022-12-27 | 上海申通地铁集团有限公司 | Construction method for connecting prefabricated unit plates into integral ballast bed by secondary pouring |
| CN114214876B (en) * | 2021-09-02 | 2023-06-02 | 中铁二院工程集团有限责任公司 | Anti-seismic ballastless track structure |
| CN119711263B (en) * | 2025-02-26 | 2025-07-04 | 浙江天铁科技股份有限公司 | Point-supported prefabricated floating slab track and construction method thereof |
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| CN1707026A (en) * | 2004-07-23 | 2005-12-14 | 尹学军 | Floating road bed |
| CN101024981A (en) * | 2007-02-15 | 2007-08-29 | 尹学军 | Split vibration-isolation device and use |
| CN201132932Y (en) * | 2007-11-28 | 2008-10-15 | 朱宪臣 | Floating slab ballast bed with steel spring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008303567A (en) * | 2007-06-06 | 2008-12-18 | Kyushu Railway Co | Ballast anti-vibration track |
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- 2009-09-30 CN CN2009100195314A patent/CN102031733B/en active Active
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|---|---|---|---|---|
| CN1707026A (en) * | 2004-07-23 | 2005-12-14 | 尹学军 | Floating road bed |
| CN101024981A (en) * | 2007-02-15 | 2007-08-29 | 尹学军 | Split vibration-isolation device and use |
| CN201132932Y (en) * | 2007-11-28 | 2008-10-15 | 朱宪臣 | Floating slab ballast bed with steel spring |
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| JP特开2008-303567A 2008.12.18 |
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| WO2011038612A1 (en) | 2011-04-07 |
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