CN212247692U - High damping floating slab track bed - Google Patents

Abstract

The utility model belongs to rail transit's vibration and noise control field discloses a high damping floating slab way bed, and it is including floating board and elastic vibration isolator, and elastic vibration isolator is supporting floating board and is making it break away from the basal surface, still includes installation through-hole and viscidity attenuator, the installation through-hole sets up on floating board, and the opening of installation through-hole is located floating the board top surface, sets up the connecting piece in the installation through-hole, and the connecting piece comprises single component and its middle part is equipped with the installation passageway, perhaps the connecting piece comprises two at least sub-connecting pieces and encloses into the installation passageway at the middle part, viscidity attenuator upper portion and connecting piece fixed connection, and the viscidity attenuator lower part is fixed on the basis. The utility model discloses a high damping floating slab track bed, its simple structure, system damping is big, and the vibration isolation performance is good, easily installs, and the sexual valence relative altitude can the wide application in the floating track bed vibration isolation engineering of track traffic lines such as high-speed railway, subway, market perspective is very wide.

Description

High damping floating slab track bed

Technical Field

The utility model belongs to rail transit's vibration and noise control field especially relate to a floating plate track bed system that is used for keeping apart produced wheel rail vibration of rail vehicle operation in-process.

Background

Along with the development of society and the progress of science and technology, the construction of urban rail transit, particularly the construction of underground railways, is more and more emphasized in all large and medium cities. However, the inevitable problem in the construction of rail transit is the vibration and noise generated when vehicles run, which not only affect the health of residents, but also adversely affect the comfort and structural safety of surrounding buildings, and therefore, the arrangement of the floating slab track bed in the living area with dense population is an important vibration isolation measure in the design of subway rails, such as rubber floating slab track beds and steel spring floating slab track beds. However, the conventional vibration isolation floating slab track bed has the problem of insufficient system damping, and the damping and the consumption of vibration energy are limited, so that the expected vibration attenuation effect cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned problem, provide a high damping floating slab way bed that system damping is big, the vibration decay is fast, the damping effect is better.

The utility model discloses a high damping floating slab track bed is realized like this, including floating slab and elastic vibration isolator, elastic vibration isolator is supporting floating slab and is making it break away from the basal surface, still includes installation through-hole and viscidity attenuator, the installation through-hole sets up on floating slab, and the opening of installation through-hole is located floating slab top surface, sets up the connecting piece in the installation through-hole, and the connecting piece comprises single component and its middle part is equipped with the erection channel, perhaps the connecting piece comprises two at least sub-connecting pieces and the middle part encloses into the erection channel, viscidity attenuator upper portion and connecting piece fixed connection, and the viscidity attenuator lower part is fixed on the basis.

The utility model discloses a can also include the installation sleeve in the high damping floating slab track bed, the installation sleeve sets up in the installation through-hole, the installation sleeve is pour integratively with the floating slab, and the telescopic opening of installation is located the floating slab top surface, sets up the connecting piece on the installation sleeve, and the connecting piece comprises single component and its middle part is equipped with the installation through-hole, perhaps the connecting piece comprises two at least sub-connecting pieces and the middle part encloses into the installation through-hole, viscous damper upper portion and connecting piece fixed connection, and viscous damper lower part is fixed on the basis.

Adjust for the convenience to the relative position between viscous damper and the basis, improve simultaneously and connect spacing reliability, the utility model discloses a high damping floating slab track bed can also be including connecting the base, connects the base setting between viscous damper and basis. In the same way, adjust the relative position between elastic vibration isolator and the basis for the convenience, improve simultaneously and connect spacing reliability, the utility model discloses an among the high damping floating slab track bed, can also set up between elastic vibration isolator and basis and connect the base. In practical application, according to the different demands of concrete engineering, can set up alone between elastic vibration isolator and basis and connect the base, also can set up alone between viscidity attenuator and basis and connect the base, can also set up simultaneously between elastic vibration isolator and basis and between viscidity attenuator and basis and connect the base.

The connecting base comprises a connecting bottom plate, the outline shape of the connecting bottom plate is matched with the mounting through hole formed in the upper portion of the mounting sleeve through which the connecting piece is arranged, the size of the connecting bottom plate is smaller than that of the mounting through hole, at least two positioning through holes are formed in the connecting bottom plate, the top surface of the connecting bottom plate is fixedly provided with a yielding connecting block, and a connecting structure is arranged on the yielding connecting block. The specific form of the connecting structure can be various, for example, the connecting structure arranged on the abdicating connecting block is a connecting pin hole or a connecting pin; the connecting structure can also be a threaded connecting hole arranged on the yielding connecting block, or a connecting piece with the threaded connecting hole and a matched connecting through hole which are fixedly arranged on the yielding connecting block, or a threaded rod piece arranged on the yielding connecting block, and the like. Based on the structure and the principle, the connecting structure can also comprise a clamping groove horizontally arranged on the abdicating connecting block, and the clamping groove is communicated with the threaded connecting hole in the connecting piece with the threaded connecting hole and the matched connecting through hole; or, the connecting structure further comprises a clamping groove horizontally arranged on the yielding connecting block, and the clamping groove is communicated with the connecting pin hole.

For the convenience of assembly, can correspond connection structure on connecting the bottom plate and set up the cavity of stepping down, the cavity of stepping down can be the through-hole of stepping down or specific structural style such as the opening of stepping down.

Preferably, the positioning through hole arranged on the connecting bottom plate is arranged to form an arc-shaped long hole arranged at the center of the ring-shaped connecting bottom plate. As a special example, the abdicating connecting block and the connecting bottom plate in the connecting base can be made of the same plate.

The utility model discloses an arrangement form of elastic vibration isolator in high damping floating slab track bed can be side formula also can be built-in. When the built-in structure is adopted, the floating plate is integrally provided with the connecting sleeve, the elastic vibration isolator is supported on the supporting stop block fixedly arranged in the connecting sleeve or the supporting stop block fixedly arranged in the connecting sleeve through the height-adjusting gasket, and the floating plate is elastically supported to be separated from the surface of the foundation.

As a special case, the mounting sleeve and the coupling sleeve have the same structure and dimensions, and the corresponding connecting piece and the supporting stop have the same structure and dimensions. After will installing sleeve and connection sleeve unification standardization like this, can adjust the use quantity of elastic vibration isolator or viscid attenuator at any time according to the engineering actual need, thereby adjust the utility model discloses a system parameter of high damping floating slab way bed is favorable to the system to remain the best damping effect throughout.

The high-damping floating slab track bed effectively improves the system damping by additionally arranging the mounting sleeve and the viscous damper in the floating track bed system, thereby greatly improving the damping energy consumption capacity and realizing better damping isolation effect; in addition, owing to add the connection base, compare in with viscous damper snap-on the basis, the joint strength of viscous damper when linking to each other through connecting base and basis is more secure, and the atress condition is also more reasonable, and the relative position adjustment between viscous damper and the installation sleeve is also easier, and the installation fault-tolerant rate improves greatly.

To sum up, the utility model discloses a high damping floating slab track bed, its simple structure, system damping is big, and the vibration isolation performance is good, easily installs, and the sexual valence relative altitude can the wide application in the floating track bed vibration isolation engineering of track traffic lines such as high-speed railway, subway, market perspective is very wide.

Drawings

Fig. 1 is one of the structural schematic diagrams of the high damping floating slab track bed of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a sectional view B-B of fig. 1.

Fig. 4 is a second schematic structural view of the high damping floating slab track bed of the present invention.

Fig. 5 is a cross-sectional view C-C of fig. 4.

Fig. 6 is a cross-sectional view taken along line D-D of fig. 4.

Fig. 7 is one of the structural diagrams of the connection base.

Fig. 8 is a cross-sectional view E-E of fig. 7.

Fig. 9 is a second schematic structural view of the connection base.

Fig. 10 is a sectional view F-F of fig. 9.

Fig. 11 is a third schematic structural view of the connection base.

FIG. 12 is a fourth schematic view of the connecting base.

FIG. 13 is a fifth schematic view of the connecting base.

FIG. 14 is a sixth schematic view of the connecting base.

FIG. 15 is a seventh schematic view of the structure of the connection base.

Fig. 16 is a sectional view taken along line G-G of fig. 15.

Fig. 17 is an eighth schematic structural view of the connection base.

Fig. 18 is a third schematic structural view of the high damping floating slab track bed of the present invention.

Fig. 19 is a sectional view H-H of fig. 18.

Fig. 20 is a cross-sectional view N-N of fig. 18.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example one

As shown in fig. 1, fig. 2 and fig. 3, the high damping floating slab track bed of the present invention comprises a floating slab 1 and an elastic vibration isolator 6, the elastic vibration isolator adopts a built-in arrangement form, a coupling sleeve 2 is integrally arranged on the floating slab 1, the elastic vibration isolator 6 is supported on a supporting stop 5 fixedly arranged in the coupling sleeve 2 through a height-adjusting gasket 7, the elastic vibration isolator 6 is arranged on a foundation 10, the floating slab 1 is elastically supported to be separated from the surface of the foundation 10, a limit pin 8 is arranged on the foundation 10, a groove is arranged below the base of the elastic vibration isolator 6 and is matched with the limit pin 8, so as to realize horizontal limit to the elastic vibration isolator 6; in addition, the floating plate device also comprises a mounting through hole 32 and a viscous damper 11, wherein the mounting through hole 32 is arranged on the floating plate 1, the opening of the mounting through hole 32 is positioned on the top surface of the floating plate 1, a connecting piece 12 is fixedly arranged in the mounting through hole, the connecting piece 12 is composed of two sub-connecting pieces, the sub-connecting pieces are specifically two connecting ear plates which are positioned on the side wall of the mounting through hole and are prefabricated with the floating plate into a whole, the middle parts of the two sub-connecting pieces form a mounting channel in a surrounding way, the plane outline size of the viscous damper 11 is smaller than that of the mounting channel, the viscous damper 11 is arranged in the mounting through hole 32 through the mounting channel, after the rotation, the outline of the viscous damper is overlapped with the outline of the connecting piece, the upper part of the viscous damper 11 is fixedly connected with the connecting piece 12 at the overlapped part of the outlines through a first fastener 13, and the lower part of the viscous damper 11 is fixed on the foundation 10 through a foundation bolt 14; in order to prevent foreign matters from falling into the coupling sleeve 2 or the mounting through hole 32, the coupling sleeve 2 and the mounting through hole 32 are respectively provided with an end cover 9 and a top cover 15 at the upper part; in addition, the track structure 4 is assembled above the floating slab to form a floating track bed structure for track traffic operation.

In the application process, when a railway vehicle passes by, the vibration is isolated and consumed by the elastic vibration isolator 6 and is simultaneously attenuated and consumed by the viscous damper 11, the vibration intensity is greatly reduced, and the influence of the vibration on the surrounding environment is reduced. Especially the utility model discloses a high damping floating slab track bed has effectively promoted system damping through add installation sleeve and viscous damper in floating track bed system to improve damping power consumption ability by a wide margin, can realize better damping effect that separates.

To sum up, the utility model discloses a high damping floating slab track bed, its simple structure, system damping is big, and the vibration isolation performance is good, and the sexual valence relative altitude can the wide application in the floating track bed vibration isolation engineering of track traffic lines such as high-speed railway, subway, market perspective is very wide.

It should be noted that, in this embodiment, the connecting member includes two sub-connecting members for illustration, and in practical application, the connecting member may also include three or more sub-connecting members, as long as the viscous damper can be placed in the mounting channel defined by the middle portions of all the sub-connecting members, and after rotating for an angle, the top profile of the viscous damper can be overlapped with the sub-connecting members in a staggered manner to complete the fixed connection, and the top of the viscous damper can achieve the same technical effect when being located above or below the sub-connecting members, and of course, based on the above technical principle, the connecting member may also be formed by a single element, and the middle portion of the connecting plate is provided with the mounting channel, such as a connecting disc, the middle portion of the connecting disc is provided with the connecting channel, and the connecting disc is anchored in the; in addition, the elastic vibration isolator is supported on the bearing stop fixedly arranged in the coupling sleeve through the height-adjusting shim in the embodiment shown in fig. 2, and for some cases, the elastic vibration isolator can also be directly supported on the bearing stop fixedly arranged in the coupling sleeve; in addition, the arrangement position and the number of the mounting through holes and the viscous dampers corresponding to the floating plate can be specifically set according to engineering requirements, and the arrangement positions and the number are all simple changes based on the technical principle of the embodiment and are within the protection range required by the utility model.

Example two

As shown in fig. 4, 5 and 6, the high damping floating slab track bed of the present invention is different from the first embodiment in that an ultra-thin coupling sleeve 2 is integrally disposed on a floating slab 1, an elastic vibration isolator 6 is supported on a supporting stop 5 fixedly disposed in the coupling sleeve 2 by a height-adjusting spacer 7, the elastic vibration isolator 6 is disposed on a foundation 10, elastically supports the floating slab 1 to separate from the surface of the foundation 10, and an end cap 9 is disposed on the top surface of the supporting stop 5; in addition, the mounting through hole and the viscous damper 11 are arranged in the middle of the plate body of the floating plate 1, the mounting sleeve 3 is further included, the mounting sleeve 3 is arranged in the mounting through hole, the mounting sleeve 3 and the floating plate 1 are poured into a whole, the opening of the mounting sleeve 3 is positioned on the top surface of the floating plate 1, a connecting piece 12 is arranged on the mounting sleeve 3, the connecting piece 12 in the mounting sleeve 3 is composed of a single element, specifically a connecting disc, the connecting disc is welded and fixed on the inner side wall of the mounting sleeve 3, a mounting channel is arranged in the middle of the connecting disc, and the top cover 15 is arranged above the mounting sleeve 3; in addition, the device also comprises a connecting base 17 which is respectively arranged between the viscous damper 11 and the foundation 10 and between the elastic vibration isolator 6 and the foundation 10. Wherein, connect base 17 including connecting bottom plate 19, connecting bottom plate 19's profile shape and installation sleeve 3 upper portion set up the installation passageway of connecting piece 12 and suit and connecting bottom plate 19's size is less than the size of installation passageway, sets up three positioning hole 21 on connecting bottom plate 19, and connecting bottom plate 19 top surface is fixed to be set up three connecting block 20 of stepping down, sets up connection structure on the connecting block 20 of stepping down, connection structure specifically is threaded connection hole 22, corresponds threaded connection hole 22 on the connecting bottom plate 19 and sets up the cavity of stepping down, the cavity of stepping down specifically is the through-hole 23 of stepping down, as shown in fig. 7, fig. 8. When the elastic vibration isolator 6 is assembled, the connecting base 17 is fixed on the foundation 10 by using the foundation bolt 14, and then the elastic vibration isolator 6 is fixed on the yielding piece connecting block 20 by using the second fastening piece 16 and the threaded connecting hole in a matching manner, so that the relative limit of the elastic vibration isolator 6 and the foundation 10 is realized; similarly, when assembling the viscous damper 11, the foundation 17 is fixed on the foundation 10 by the anchor bolt 14, the viscous damper 11 is fixed on the yielding connecting block 20 by the third fastener 18 and the threaded connecting hole, and the upper part of the viscous damper 11 is fixedly connected with the connecting piece 12 by the first fastener, so that the relative limit between the viscous damper 11 and the foundation 10 is realized.

Compared with the first embodiment, the technical scheme of the embodiment can achieve the technical effects of increasing the system damping and improving the vibration isolating and reducing effect, and the connecting bases are respectively arranged between the elastic vibration isolator, the viscous damper and the foundation, so that on one hand, the stress condition of the whole system is better, the local stress of the foundation can be effectively avoided, and the connection with the foundation is more reliable due to the fact that the three positioning through holes are formed and the connecting base plate can be matched and connected with the three foundation bolts; in addition, in case take place the basis damaged, special circumstances such as unable fixed rag bolt again can rotate an angle with connecting the bottom plate, and new position on the basis punches installation rag bolt, and it is easier to connect the relative position adjustment between bottom plate and the basis, and is corresponding, and the relative position adjustment between basis and viscid attenuator or elastic vibration isolator is also easier. Of course, in this example, three positioning through holes are provided on the connecting bottom plate for explanation, in practical application, two, four or more positioning through holes may be provided, and the positioning through holes may be specifically designed according to actual engineering conditions; furthermore, based on the technical principle of embodiment one, this example connecting piece among the technical scheme also can constitute by two or more sub-connecting pieces, and sub-connecting piece middle part encloses into the installation passageway in the installation sleeve, for example utilizes two connecting ear plates of welding on the installation sleeve lateral wall as the connecting piece, also can realize fine technological effect, and these technical schemes are all based on the utility model discloses technical principle's simple change is all in the utility model discloses among the required protection range.

According to the technical scheme recorded in the embodiment, due to the additional arrangement of the connecting base, compared with the case that the viscous damper is directly fixed on the foundation, the connecting strength of the viscous damper is guaranteed when the viscous damper is connected with the foundation through the connecting base, the stress condition is more reasonable, the relative position between the viscous damper and the mounting sleeve is easier to adjust, and the mounting fault-tolerant rate is greatly improved. Of course, in this embodiment, the connection base is disposed between the viscous damper and the elastic vibration isolator and the foundation, and in practical applications, the connection base may be disposed between the viscous damper and the foundation or between the elastic vibration isolator and the foundation only as needed, and no description of the drawings is provided, which falls within the scope of the present invention.

Furthermore, the specific structure of the middle connection base of the present invention can be diversified, for example, technical solution (1): because the elastic vibration isolator has no vertical limiting requirement, the connection base shown in fig. 9 and 10 can be adopted when the elastic vibration isolator is connected, and the difference between the connection base shown in fig. 8 and the connection base is that the positioning through hole 21 arranged on the connection bottom plate 19 is an arc-shaped long-strip hole arranged at the center of the ring connection bottom plate, the connection structure arranged on the abdicating connection block 20 is specifically a connection pin hole 30, the position adjustment can be more convenient and flexible by the arc-shaped long-strip hole structure, the connection is carried out by using the connection pin hole 30, and no abdicating cavity needs to be additionally arranged on the connection bottom plate 19, which is beneficial to reducing the processing procedure and the cost, of course, based on the technical principle, the connection structure arranged on the abdicating connection block 20 can also;

technical scheme (2): based on the technical principle described in fig. 8 and 10, the base is connected as shown in fig. 11, which is different from the technical scheme recorded in fig. 10 in that the connection structure may also be a connection member 26 with a threaded connection hole and a matching connection through hole 24 fixedly arranged on the abdication connection block 20, wherein the connection member 26 with the threaded connection hole is specifically a nut, and an abdication cavity is arranged on the connection bottom plate 19 corresponding to the connection structure, and specifically, the abdication cavity is an abdication gap 25;

technical scheme (3): as shown in fig. 12, the connection base is different from the technical solution in that the connection structure is a threaded rod 27 arranged on the abdicating connection block 20, and in practical application, the threaded rod 27 can be independently arranged or the threaded rod 27 can be welded and fixed into a whole according to the assembly requirement;

technical scheme (4): as shown in fig. 13, the connecting base is different from the technical solution shown in fig. 11 in that the connecting structure further includes a clamping groove 28 horizontally disposed on the abdicating connecting block 20, and the clamping groove 28 is communicated with the threaded connecting hole in the connecting piece 26 with the threaded connecting hole and the connecting through hole 24 matched with the threaded connecting hole;

technical scheme (5): as shown in fig. 14, the connection base is different from the technical solution shown in fig. 10 in that the connection structure further includes a slot 28 horizontally disposed on the abdicating connection block 20, and the slot 28 is communicated with the positioning pin hole 22, although this technical solution is suitable for connecting the device without vertical limit requirement, such as the elastic vibration isolator, as in the solution shown in fig. 10;

technical solution (6) the connection base shown in fig. 15 and 16 is different from the technical solution shown in fig. 10 in that, the shape of the outline of the abdication connecting block 20 is the same as that of the outline of the connecting bottom plate 19, the abdication connecting block 20 and the connecting bottom plate 19 are welded and fixed together, and the abdication connecting block 20 is provided with a preformed hole 31 corresponding to the positioning through hole 21, the preformed hole 31 is utilized to provide an installation abdication space for the assembly of the foundation bolt, of course, the offset connecting block 20 and the connecting bottom plate 19 may be fixed together by a fastener, besides the welding, and, as a specific example, as shown in fig. 17, the yielding connecting block in the connecting base and the connecting bottom plate can be processed from the same plate, the positioning through hole 21 and the preformed hole 31 are stepped holes correspondingly formed in the plate, and the plate part corresponding to the hole depth of the preformed hole 31 forms the yielding connecting block and can also achieve a good technical effect.

Above-mentioned technical scheme is based on the utility model discloses technical principle's change can all play fine connection effect, can select according to the engineering needs when using, only gives the description here with the characters, and the drawing is no longer one by one, all is in the utility model discloses among the required protection range.

EXAMPLE III

As shown in fig. 18, 19 and 20, the high damping floating slab track bed of the present invention is different from the first embodiment in that the elastic vibration isolator 6 is disposed laterally, specifically, the elastic vibration isolator 6 is disposed in the mounting and limiting groove 29 formed in the side surface of the floating slab, and in order to facilitate height and leveling of the floating slab, a height adjusting spacer 7 is disposed between the elastic vibration isolator 6 and the floating slab; in addition, the mounting sleeves 3 are arranged in pairs at two sides of the floating plate 1 in the radial direction, the mounting sleeves 3 are positioned between the mounting limit grooves 29, the structure and the size of the mounting sleeves 3 are completely the same as those of the coupling sleeves, and the structure and the performance of the connecting pieces 12 are the same as those of the supporting stop blocks; roof 33 of viscid attenuator 11 stacks on connecting piece 12 upper surface to link firmly together through first fastener 13 and connecting piece 12, roof 33 is sheltering from the installation passageway, can prevent effectively that the foreign matter from falling into the installation sleeve, therefore roof 33 still uses as the top cap simultaneously.

Compared with the first embodiment, the technical scheme of the embodiment has the greatest advantage that the technical scheme is very suitable for the section with the requirement of upgrading the damping level. For example, in the initial stage of urban development, the environmental protection level possibly required for a local road section is lower, at this time, a middle-level vibration isolation element, such as an elastic vibration isolator made of rubber materials, can be arranged in the mounting limiting groove and used in combination with a viscous damper to realize the middle-level vibration isolation performance, along with the further development of the city, when the environmental protection requirement of the road section is further improved, the viscous damper can be at least partially taken out, a high-level vibration isolation element, such as a steel spring damping vibration isolator, is arranged in the mounting sleeve, at this time, the mounting sleeve is equivalent to a connecting sleeve for use, so that the better vibration isolation effect is smoothly realized, the ballast bed system reaches the high-level vibration isolation performance level, and the upgrading of the vibration isolation performance of the ballast bed structure is realized.

Of course, based on the technical principle of this example, in the technical solution shown in fig. 1, the structural size of the mounting sleeve and the structural size of the coupling sleeve can be set to be the same, so that after the mounting sleeve and the coupling sleeve are unified and standardized, the number of the elastic vibration isolators or the viscous dampers can be adjusted at any time according to the actual engineering requirements, thereby adjusting the system parameters of the high-damping floating slab track bed of the utility model, which is beneficial to the system to maintain the best damping effect all the time. These are all simple variations based on the technical principle described in this example and are within the scope of the claimed invention.

The embodiment of the present invention is mainly for conveniently understanding the technical principle of the present invention, and is not limited to the content recorded in the above-mentioned embodiment, and the technical content recorded in the above-mentioned embodiment can also be used in a cross way, based on the technical principle of the present invention, a person skilled in the art can combine the technical solution again or utilize the similar technology to simply replace some of the elements, as long as based on the technical principle of the present invention, all are in the protection scope required by the present invention.

Claims (13)

1. The utility model provides a high damping floating slab track bed, includes floating slab and elastic vibration isolator, and elastic vibration isolator is supporting floating slab and is making it break away from the basal surface, its characterized in that still includes installation through-hole and viscous damper, the installation through-hole sets up on floating slab, and the opening of installation through-hole is located floating slab top surface, sets up the connecting piece in the installation through-hole, and the connecting piece comprises single component and its middle part is equipped with the erection channel, perhaps the connecting piece comprises two at least sub-connecting pieces and the middle part encloses into the erection channel, viscous damper upper portion and connecting piece fixed connection, and viscous damper lower part is fixed on the basis.

2. The high damping floating slab track bed according to claim 1, further comprising a mounting sleeve disposed in the mounting through hole, the mounting sleeve being integrally cast with the floating slab, an opening of the mounting sleeve being located on a top surface of the floating slab, the mounting sleeve being provided with a connecting member, the connecting member being formed of a single member and having the mounting through hole formed in a middle portion thereof, or the connecting member being formed of at least two sub-connecting members and having the mounting through hole surrounded in a middle portion thereof, an upper portion of the viscous damper being fixedly connected to the connecting member, and a lower portion of the viscous damper being fixed to the foundation.

3. The high damping floating slab track bed of claim 1 or 2 further comprising a connection base disposed between the viscous damper and the foundation or/and a connection base disposed between the elastomeric isolator and the foundation.

4. The high damping floating slab track bed according to claim 3, wherein the connection base comprises a connection bottom plate, the outline shape of the connection bottom plate is adapted to the installation channel provided with the connection piece on the upper part of the installation sleeve, the size of the connection bottom plate is smaller than that of the installation channel, at least two positioning through holes are arranged on the connection bottom plate, the top surface of the connection bottom plate is fixedly provided with a yielding connection block, and a connection structure is arranged on the yielding connection block.

5. The high damping floating slab track bed of claim 4, wherein the connection structure provided on the abdicating connection block is a connection pin hole or a connection pin.

6. The high-damping floating slab track bed according to claim 4, wherein the connection structure is a threaded connection hole formed on the abdication connection block, or a connection piece with a threaded connection hole and a matching connection through hole fixedly arranged on the abdication connection block, or a threaded rod piece arranged on the abdication connection block.

7. The high-damping floating slab track bed according to claim 5, wherein the connecting structure further comprises a clamping groove horizontally arranged on the abdicating connecting block, and the clamping groove is communicated with the connecting pin hole.

8. The high-damping floating slab track bed according to claim 6, wherein the connecting structure further comprises a clamping groove horizontally arranged on the abdicating connecting block, and the clamping groove is communicated with the threaded connecting hole in the connecting piece with the threaded connecting hole and the matched connecting through hole.

9. The high-damping floating slab track bed according to claim 4, wherein the connection bottom plate is provided with a yielding chamber corresponding to the connection structure, and the yielding chamber is a yielding through hole or a yielding notch.

10. The high damping floating slab track bed of claim 4 wherein said locating through holes are arc-shaped elongated holes disposed around the center of the connecting bottom plate.

11. The high damping floating slab track bed of claim 4 wherein the abdicating connecting block and the connecting bottom plate are made of the same sheet material.

12. The high damping floating slab track bed of claim 2 wherein coupling sleeves are integrally formed on the floating slab, and the elastomeric isolators are supported on bearing stops fixedly disposed in the coupling sleeves or on bearing stops fixedly disposed in the coupling sleeves by height-adjusting spacers, resiliently supporting the floating slab away from the underlying surface.

13. The high damping floating ballast bed of claim 12, wherein the mounting sleeves and coupling sleeves are of the same construction and size.

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