CN215856957U - Replaceable multifunctional vibration and noise reduction ladder type track plate - Google Patents
Replaceable multifunctional vibration and noise reduction ladder type track plate Download PDFInfo
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- CN215856957U CN215856957U CN202122001332.XU CN202122001332U CN215856957U CN 215856957 U CN215856957 U CN 215856957U CN 202122001332 U CN202122001332 U CN 202122001332U CN 215856957 U CN215856957 U CN 215856957U
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Abstract
The utility model discloses a replaceable multifunctional vibration and noise reduction ladder-type track plate, which comprises a prestressed concrete plate body, a vibration reduction pad drawing device, a pre-embedded jack and a sound absorption plate. Through setting up the damping pad pull device for removable multi-functional damping falls the track board of making an uproar and forms the damping system that the point supported, furthest's performance of playing track system damping. Through setting up damping pad pull device and pre-buried jack, can maintain and change damping pad fast during the operation. The defects of the existing vibration reduction products of the high-speed railway are overcome. The sound-absorbing board and the rail low wall device can reduce the direct noise of the wheel rail to the maximum extent.
Description
Technical Field
The utility model relates to the field of rail transit, in particular to a replaceable multifunctional vibration and noise reduction ladder type rail plate.
Background
With the development of the traffic industry of China, the lines of all speed grades are developed in a large scale in recent years from rail transit, urban railways to high-speed railways, and the requirements for vibration reduction and noise reduction are great.
At present, the vibration reduction products for rail transit are various in types, but the vibration reduction products are applied to lines with low speed of 80-100 km/h in large quantity, and from urban rail transit, urban railways to high-speed railways, the requirements on driving stability and safety are correspondingly improved along with the improvement of line speed per hour, so that the applicable vibration reduction products are fewer and fewer. The damping products applied to the high-speed railway and the lines with the speed of 250-350 km/h at present only adopt surface-supported damping cushion products, are single in type, are fully paved and placed under a self-compacting concrete layer, increase the construction procedures, influence the construction speed, and cannot be replaced and maintained during operation.
In order to overcome the problems, the inventor of the utility model makes an intensive study on the existing vibration-damping noise-reducing ladder-type track plate and the vibration-damping technology, and designs a replaceable multifunctional vibration-damping noise-reducing ladder-type track plate.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the inventor of the utility model has carried out sharp and deliberate work and designs a replaceable multifunctional vibration-damping noise-reducing ladder-type track board capable of solving the problems. In the trapezoidal plate rail, a plurality of vibration damping pad drawing devices are uniformly arranged on the lower surface of a rail plate at equal intervals along the laying direction of the rail, and the vibration damping pad drawing devices are combined with a prestressed concrete plate body to realize point support. The vibration reduction system can be close to the theoretical mass vibration reduction system to the maximum extent, and the vibration reduction performance of the track system is exerted to the maximum extent. The vibration damping pad drawing device is adopted, so that the vibration damping pad can be maintained and replaced in time and simply and conveniently. The embedded jacks are arranged in the multifunctional vibration-damping noise-reducing ladder-type track plate, so that the vibration-damping pad drawing device can be quickly maintained and replaced during the track operation period, the defects of the existing vibration-damping products of the high-speed railway are overcome, and the utility model is completed.
In particular to a replaceable multifunctional vibration-damping noise-reducing ladder-type track slab which is characterized in that,
the track slab comprises a prestressed concrete slab body 1, a vibration damping pad drawing device 2, a pre-embedded jack 3 and a sound absorption plate 4;
the upper surface of the prestressed concrete plate body 1 is provided with a sound-absorbing plate groove 5;
the vibration damping pad drawing device 2 is arranged on the lower surface of the prestressed concrete slab body 1, and the multifunctional vibration damping and noise reducing track slab can be replaced to form a point-supported vibration damping system by arranging the vibration damping pad drawing device 2;
the damping pad drawing device 2 includes a drawing device upper plate 21, a drawing device lower plate 22, and a damping pad 23;
the lower drawer plate 22 can be pushed into the upper drawer plate 21 in the horizontal direction, and the lower drawer plate 22 can also be pulled out of the upper drawer plate 21 in the horizontal direction;
the damping pad 23 is disposed in the drawing device lower plate 22;
the embedded jack 3 is arranged inside the prestressed concrete plate body 1;
the sound-absorbing plate 4 is adhered to the sound-absorbing plate groove 5, and the sound-absorbing plate 4 is arranged to absorb noise generated when a train passes by;
and an isolation layer is arranged at the exposed part of the vibration damping pad drawing device 2 at the bottom of the prestressed concrete slab body 1.
Wherein, the two sides of the upper plate 21 of the drawing device are provided with inner sliding chutes 211 formed by bending downwards and inwards;
the inner chute 211 comprises a horizontally arranged supporting transverse plate 212 positioned at the bottom end;
a connecting steel column 213 is arranged on the upper surface of the drawing device upper plate 21;
the connecting steel column 213 is a cylinder;
a plurality of connecting steel columns 213 are provided, and preferably, 4 connecting steel columns 213 are provided and distributed at 4 corner positions on the upper surface of the upper plate 21 of the drawing device;
the connecting steel column 213 is installed in the prestressed concrete slab 1;
the upper plate 21 of the pulling device is fixed on the prestressed concrete slab 1 by the connecting steel columns 213;
a first rear baffle 214 is further arranged on the drawing device upper plate 21, and the drawing device lower plate 22 is limited by the arrangement of the first rear baffle 214.
Wherein, both sides of the lower plate 22 of the drawing device are bent upwards and outwards to form outer chutes 221;
the outer chute 221 comprises a horizontally arranged matching transverse plate 222 at the top end;
the drawing device lower plate 22 is also provided with a second rear baffle 223, and a drawing handle 224 is arranged outside the second rear baffle 223;
a vibration-damping pad limiting protrusion 225 is arranged in the drawing device lower plate 22;
the damping pad limiting protrusion 225 is arranged on the bottom surface of the lower drawing device plate 22;
on the side of the second rear baffle 223, the damping pad is provided with a cuboid bulge and is connected with the second rear baffle 223;
on the opposite side of the second rear baffle 223, the damping pad is arranged to be a concave protrusion.
Wherein, the prestressed concrete slab body 1 is provided with a hoisting hole 6 for hoisting the concrete slab body;
the hoisting holes 6 are distributed on the side surface of the prestressed concrete slab body 1.
Wherein, two ends of the prestressed concrete plate body 1 are provided with a limiting groove 7; the limiting groove 7 is arranged in the middle of the end face.
The track plate is arranged on a support 8, a limiting concrete column 9 is arranged on the support, and the limiting concrete column 9 and the support 8 are integrally cast;
and a cushion layer 10 is arranged between the limiting concrete column 9 and the track plate limiting groove 7.
The prestressed concrete slab body 1 is provided with a grouting hole 11 for pouring self-compacting concrete, and the grouting hole 11 is arranged in the center of the track slab;
the prestressed concrete slab body 1 is further provided with inspection holes 12, and the inspection holes 12 are symmetrically arranged on two sides of the grouting hole 11.
The embedded jack 3 comprises a jack shell 31, a jack mandril 32, a jack oil nozzle 33, an oil transfer pipe 34 and a jack oil nozzle 35 led out to the edge of the concrete plate;
the jack mandril 32 extends downwards, and the prestressed concrete slab body 1 is jacked up from the support 8 through the jack mandril 32.
Track short wall devices 13 are arranged on two sides of the track plate, and the track short wall devices 13 are rectangular plate bodies;
arranging a lateral bracket 14 on the side surface of the prestressed concrete slab body 1;
the track low wall device 13 is connected with the prestressed concrete slab 1 through a lateral bracket 14;
by arranging the rail low wall device 13, the wheel-rail noise is directly reduced.
Drawings
FIG. 1 shows a top surface view of a multi-functional vibration and noise reducing ladder track slab;
FIG. 2 is a view of the lower surface of the multifunctional vibration and noise reduction ladder-type track plate;
FIG. 3 shows a laying schematic diagram of a multifunctional vibration and noise reduction ladder-type track slab;
FIG. 4 shows a schematic diagram of the upper plate structure of the vibration pad drawing device;
FIG. 5 is a schematic view showing the construction of a lower plate of the pad drawing device;
FIG. 6 shows a schematic cross-sectional view of a vibration damping pad extension device
FIG. 7 shows a schematic diagram of the use of pre-buried jacks;
FIG. 8 shows the addition of rail low walls on both sides of the rail slab;
the reference numbers illustrate:
1-prestressed concrete slab
2-damping pad pull-out device
21-drawer Upper plate
211-inner chute
212-supporting transverse plate
213-connecting steel column
214-tailgate one
22-drawer lower plate
221-outer chute
222-matching transverse plate
223-rear baffle 2
224-pull handle
225-vibration damping pad limiting bulge
23-damping mat
3-Pre-buried jack
31-Jack shell
32-Jack rod
33-jack oil nozzle
34-adapting oil pipe
35-jack oil nozzle leading to edge of concrete plate
36-matching oil pipe
37-hand pump distributing valve
4-Sound absorbing board
5-Sound absorbing plate groove
6-lifting hole
7-limiting groove
8-support
9-limiting concrete column
10-cushion layer
11-grouting hole
12-inspection hole
13-rail low wall device
14-side bracket
Detailed Description
The utility model is explained in more detail below with reference to the figures and examples. The features and advantages of the present invention will become more apparent from the description. The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
According to the multifunctional vibration and noise reduction ladder-type track plate provided by the utility model, the track plate comprises a prestressed concrete plate body 1, a vibration reduction pad drawing device 2, a pre-embedded jack 3 and a sound absorption plate 4.
As shown in fig. 1, 2 and 3, the prestressed concrete slab body 1 includes symmetrically arranged lifting holes 3 on the side of the prestressed concrete slab body 1, the lifting holes 3 are arranged at 2 places on one side, two holes are arranged at each place, the lifting holes 3 are blind holes, and when construction is performed, a worker can lift and move the track slab through the lifting holes by using a lifting tool.
The prestressed concrete slab body 1 upper surface is provided with abatvoix recess 5, abatvoix recess 5 is as shown in fig. 3, abatvoix recess 5 sets up in the upper surface intermediate position, the abatvoix recess is provided with a plurality ofly, remains between each abatvoix recess certain clearance. The sound-absorbing plate 2 is arranged in the sound-absorbing plate groove, and preferably, the sound-absorbing plate can be adhered to the sound-absorbing plate groove. Through setting up acoustic panel 4 absorbs the noise that the train produced when passing through, reaches the effect of making an uproar.
Fig. 2 shows that the center of the prestressed concrete slab body 1 is provided with a grouting hole 11 for injecting self-compacting concrete, and two sides of the grouting hole 11 are symmetrically provided with inspection holes 12. The inspection hole 12 and the grouting hole 11 are through holes and penetrate through the upper surface and the lower surface of the prestressed concrete slab body 1. The grout holes 11 and the inspection holes 12 are provided at the gap positions reserved between the respective sound-absorbing plate recesses 5.
And a limiting groove 7 is arranged in the middle of two end faces of the prestressed concrete plate body 1, and the limiting groove 7 penetrates through the upper surface and the lower surface of the prestressed concrete plate body 1.
The vibration damping pad drawing device 2 is arranged on the lower surface of the prestressed concrete slab body 1. Furthermore, certain gaps are reserved among the vibration damping pad drawing devices 2, so that the replaceable multifunctional vibration damping and noise reducing track slab forms a point supporting vibration damping system. Preferably, the pad extension devices 2 are arranged on both sides of the bottom surface of the prestressed concrete slab 1 with equal gaps in the track laying direction.
The vibration pad drawing device 2, as shown in fig. 4 and 5, includes a drawing device upper plate 21, a drawing device lower plate 22, and a vibration pad 23;
fig. 4 shows that the two sides of the upper plate 21 of the drawing device are provided with inner sliding grooves 211 formed by bending downwards and inwards, and the inner sliding grooves 211 comprise horizontally arranged supporting transverse plates 212 at the bottom end. A plurality of connecting steel columns 213 are arranged on the upper surface of the upper plate 21 of the drawing device, the connecting steel columns 213 are cylinders, and preferably, 4 connecting steel columns 213 are arranged and distributed at 4 corner positions on the upper surface of the upper plate 21 of the drawing device; the connecting steel column 213 is installed in the prestressed concrete slab 1; the upper drawer plate 21 is fixed to the prestressed concrete panel 1 by means of the connecting struts 213. When the prestressed concrete slab 1 is cast, the connecting steel columns 213 are integrally formed with the prestressed concrete slab 1, and the upper plate 21 of the pulling device is fixed on the prestressed concrete slab 1 through the connecting steel columns 213. A first rear baffle 214 is further arranged on the drawing device upper plate 21, and the drawing device lower plate 22 is limited by the arrangement of the first rear baffle 214.
Fig. 5 shows that the two sides of the lower drawer 22 are bent upwards and outwards to form an outer sliding groove 221, and the outer sliding groove 221 comprises a horizontally arranged matching transverse plate 222 at the top end. The drawing device lower plate 22 is further provided with a second tailgate 223, and a drawing handle 224 is provided outside the second tailgate 223. A shock pad restraining protrusion 225 is provided in the drawer lower plate 22. The limiting protrusion 225 of the damping pad is arranged on the bottom surface of the lower plate 22 of the drawing device, the damping pad is arranged on the side of the second backboard 223 and is a cuboid protrusion and connected with the second backboard 223, and the damping pad is arranged on the opposite side of the second backboard 223 and is a concave protrusion.
The damping pad 23 is disposed in the lower drawer device plate 22, and the damping pad 23 is limited by the damping pad limiting protrusion 225 and the second tailgate 223.
The lower drawer plate 22 can be pushed into the upper drawer plate 21 in the horizontal direction, and the lower drawer plate 22 can also be pulled out of the upper drawer plate 21 in the horizontal direction. The outer sliding groove 221 of the lower drawer 22 can be inserted into the inner sliding groove 211 of the upper drawer 21, and the supporting cross plate 212 and the matching cross plate 222 are attached.
The embedded jacks 3 are embedded in the prestressed concrete slab 1, as shown in fig. 3, the embedded jacks 3 are symmetrically arranged on the lower surface of the prestressed concrete slab 1, the embedded jacks 3 are arranged in plurality, preferably, the embedded jacks 3 are arranged in 4.
As shown in fig. 6, the pre-buried jack includes a jack housing 31, a jack rod 32, a jack oil nozzle 33, an oil transfer pipe 34, and a jack oil nozzle 35 leading out to the edge of the concrete slab;
the embedded jack shell 31 is embedded into the prestressed concrete slab 1, and the jack mandril 32 faces downwards. The jack oil transfer pipe 34 is connected with a jack oil nozzle and the jack oil nozzle led out to the edge of the concrete plate, and the jack oil port is led out to the side face of the prestressed concrete plate body 1.
When the prestressed concrete plate body 1 is poured and molded, the sound-absorbing plate groove 5 reserved on the upper surface of the prestressed concrete plate body passes through a die structure, and the shock pad drawing device 2 and the embedded jack 3 are fixed in the die through special tools. And pouring concrete into the mold to complete integrated pouring molding. The structural coupling cylinder 213 of the upper plate 21 of the vibration damping pad extension device engages in the prestressed concrete plate body, so that the vibration damping pad extension device is fixed to the prestressed concrete plate body 1.
And after the concrete plate body is poured and demoulded, the sound-absorbing plate 4 is adhered in the sound-absorbing plate groove 5. The vibration damping pad 23 is placed in the vibration damping pad drawing device lower plate 22, the outer slide groove 221 is inserted into the inner slide groove 211 by drawing the handle 224, and the supporting cross plate 212 supports the matching cross plate 222. The vibration pad drawing device lower plate 22 is pushed into the vibration pad drawing device upper plate 21. The portion of the lower surface of the prestressed concrete slab 1 where the vibration-damping pad extension device 2 is not provided and the portion of the vibration-damping pad extension device 2 exposed to the outside are provided with an isolation material, preferably, the isolation material can be fixed on the prestressed concrete slab 1 by adhesion. The assembly is completed, and the replaceable multifunctional vibration-damping noise-reducing ladder-type track slab is used.
As shown in fig. 3, when the replaceable multifunctional vibration-damping noise-reduction ladder-type track slab is laid on site, a special lifting appliance is used for hanging a lifting hole 6, the replaceable multifunctional vibration-damping noise-reduction ladder-type track slab is lifted and moved integrally, the track slab is laid in sequence along the extension direction of the track, the track line shape is adjusted, and the lower surface of a vibration-damping pad drawing device 2 is in contact with a support 8. Pour into self-compaction concrete through grout hole 11, can observe the self-compaction concrete pouring condition through inspection hole 12, the clearance of self-compaction concrete inflow and filling prestressed concrete plate body 1 and support 8. After the self-compacting concrete is solidified, a leveling layer is formed between the prestressed concrete plate body 1 and the support 8, and the leveling layer and the vibration damping pad support layer are paved.
When the replaceable multifunctional vibration-damping noise-reduction ladder-type track plate is laid completely, the limiting grooves 7 of the two adjacent prestressed concrete plate bodies 1 are spliced into a through groove, a limiting concrete column mold is installed in the through groove space, concrete is poured, the template is removed after the concrete is solidified, a limiting concrete column 9 is formed, and the limiting concrete column 9 is used for limiting the replaceable multifunctional vibration-damping noise-reduction ladder-type track plate. And a cushion layer 10 is arranged between the track plate limiting groove 7 and the limiting concrete column 9. And finishing the laying of the whole multifunctional vibration and noise reduction track system.
During the operation of the rail, the drawing device and its internal damping pads are in a stressed state and need to be replaced if the damping pads are degraded or damaged. When the damping pad is replaced, the plate is lifted, the pull-out device is disengaged from the lower support 8, and the pull-out device lower plate 22 is pulled out and replaced with a new damping pad 23. As shown in fig. 6, the replaceable multifunctional vibration and noise reduction ladder-type track slab of the utility model is provided with a pre-embedded jack 3. The embedded jack 3 comprises a jack shell 31, a jack mandril 32, a jack oil nozzle 33, an oil transfer pipe 34 and a jack oil nozzle 35 leading out to the edge of the concrete plate. The number of the embedded jacks 3 is multiple, and preferably, the number of the embedded jacks 3 is 4. During maintenance, the manual pump distribution valve 37 and the embedded jack 3 are led out to be connected with a jack oil nozzle at the edge of a concrete plate through the matched oil pipe 36, the manual pump distribution valve is used for providing power, the jack ejector rod 32 extends downwards to jack the prestressed concrete plate body 1, the prestressed concrete plate body 1 is separated from the support 8, the prestressed concrete plate body 1 is jacked to a certain height, maintenance personnel and maintenance equipment can contact the lower surface of the prestressed concrete plate body 1, and necessary space conditions are provided for maintenance/replacement of the damping pad drawing device. The maintenance person can manually pull out the vibration damper lower plate 22, replace the vibration damper pad 23, and push it into the damper upper plate 21. After the replacement is finished, the prestressed concrete plate body 1 is restored to the position on the support 8 through the embedded jack 3. Through setting up pre-buried jack 3 and damping pad pull device 2, can improve the operating efficiency who maintains and change damping pad pull device, damping part can very big degree not receive the material durability limitation.
In a preferred embodiment, as shown in fig. 7, rail short wall devices 13 are arranged on both sides of the rail plate along the extension direction of the rail, the rail short wall devices 13 are rectangular parallelepiped plates, lateral brackets 14 are arranged on the lateral sides of the prestressed concrete slab 1, and the rail short wall devices 13 are connected with the prestressed concrete slab 1 through the lateral brackets 14. And the sound-absorbing plate 4 is combined, so that the noise of the wheel rail is directly reduced, and the direct noise of the wheel rail is reduced to the maximum extent.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on an operating state of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
The present invention has been described above in connection with preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the utility model can be subjected to various substitutions and modifications, and the substitutions and the modifications are all within the protection scope of the utility model.
Claims (9)
1. A replaceable multifunctional vibration and noise reduction ladder-type track slab is characterized in that the track slab comprises a prestressed concrete slab body (1), a vibration reduction pad drawing device (2), a pre-embedded jack (3) and a sound absorption board (4);
a sound-absorbing plate groove (5) is formed in the upper surface of the prestressed concrete plate body (1);
the vibration damping pad drawing device (2) is arranged on the lower surface of the prestressed concrete slab body (1), and a point-supported vibration damping system is formed by arranging the vibration damping pad drawing device (2) on the replaceable multifunctional vibration damping and noise reducing track slab;
the damping pad drawing device (2) comprises a drawing device upper plate (21), a drawing device lower plate (22) and a damping pad (23);
the lower drawer plate (22) can be pushed into the upper drawer plate (21) in the horizontal direction, and the lower drawer plate (22) can also be pulled out of the upper drawer plate (21) in the horizontal direction;
the damping pad (23) is arranged in the lower plate (22) of the drawing device;
the embedded jack (3) is arranged inside the prestressed concrete plate body (1);
the sound-absorbing plate (4) is adhered to the sound-absorbing plate groove (5), and the sound-absorbing plate (4) is arranged to absorb the direct noise of a wheel rail generated when a train passes by;
and an isolation layer is arranged at the exposed part of the vibration damping pad drawing device (2) at the bottom of the prestressed concrete plate body (1).
2. The replaceable multifunctional vibration and noise reduction ladder-type track board as claimed in claim 1, wherein inner sliding grooves (211) formed by bending downwards and inwards are formed on two sides of the upper board (21) of the drawing device;
the inner chute (211) comprises a horizontal supporting transverse plate (212) which is positioned at the bottom end;
a connecting steel column (213) is arranged on the upper surface of the drawing device upper plate (21);
the connecting steel column (213) is a cylinder;
the number of the connecting steel columns (213) is 4, and the connecting steel columns are distributed at 4 corner positions on the upper surface of the upper plate (21) of the drawing device; the connecting steel column (213) is arranged in the prestressed concrete plate body (1);
fixing the upper plate (21) of the drawing device on the prestressed concrete slab (1) through the connecting steel columns (213);
the drawing device upper plate (21) is further provided with a first rear baffle (214), and the first rear baffle (214) is arranged to limit the drawing device lower plate (22).
3. The replaceable multifunctional vibration and noise reducing ladder type track board as claimed in claim 1, wherein the drawing device lower board (22) is bent upwards and outwards at both sides to form an outer sliding groove (221);
the outer sliding groove (221) comprises a horizontally arranged matching transverse plate (222) positioned at the top end;
the drawing device lower plate (22) is also provided with a second rear baffle (223), and a drawing handle (224) is arranged on the outer side of the second rear baffle (223);
a damping pad limiting bulge (225) is arranged in the lower plate (22) of the drawing device;
the damping pad limiting bulge (225) is arranged on the bottom surface of the lower plate (22) of the drawing device;
the damping pad is arranged on the side of the second rear baffle (223) and is provided with a cuboid bulge and is connected with the second rear baffle (223);
and the opposite side of the second rear baffle (223) is provided with a concave-shaped bulge.
4. The replaceable multifunctional vibration and noise reduction ladder-type track slab as claimed in claim 1, wherein the prestressed concrete slab body (1) is provided with hoisting holes (6) for hoisting the concrete slab body;
the hoisting holes (6) are distributed on the side face of the prestressed concrete slab body (1).
5. The replaceable multifunctional vibration and noise reduction ladder-type track slab as claimed in claim 1, wherein limiting grooves (7) are arranged at two ends of the prestressed concrete slab body (1); the limiting groove (7) is arranged in the middle of the end face.
6. The replaceable multifunctional vibration and noise reduction ladder type track board as claimed in claim 1, wherein the track board is arranged on a support (8), a limiting concrete column (9) is arranged on the support, and the limiting concrete column (9) and the support (8) are integrally cast;
a cushion pad layer (10) is arranged between the limiting concrete column (9) and the track plate limiting groove (7).
7. The replaceable multifunctional vibration and noise reduction ladder-type track slab as claimed in claim 1, wherein the prestressed concrete slab body (1) is provided with a grouting hole (11) for self-compacting concrete grouting, and the grouting hole (11) is arranged at the center of the track slab;
the prestressed concrete slab body (1) is further provided with inspection holes (12), and the inspection holes (12) are symmetrically arranged on two sides of the grouting hole (11).
8. The replaceable multifunctional vibration and noise reduction ladder-type track slab as claimed in claim 1, wherein the embedded jack (3) comprises a jack housing (31), a jack ejector rod (32), a jack oil nozzle (33), an oil transfer pipe (34) and a jack oil nozzle (35) led out to the edge of the concrete slab;
the jack mandril (32) faces downwards, and the prestressed concrete plate body (1) is jacked up from the support (8) through the jack mandril (32).
9. The replaceable multifunctional vibration and noise reduction ladder-type track board as claimed in claim 1, wherein track low wall devices (13) are arranged at both sides of the track board, and the track low wall devices (13) are rectangular parallelepiped boards;
arranging a lateral bracket (14) on the side surface of the prestressed concrete slab body (1);
the track low wall device (13) is connected with the prestressed concrete slab body (1) through a lateral bracket (14);
by arranging the rail low wall device (13), the wheel-rail noise is directly reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122001332.XU CN215856957U (en) | 2021-08-24 | 2021-08-24 | Replaceable multifunctional vibration and noise reduction ladder type track plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122001332.XU CN215856957U (en) | 2021-08-24 | 2021-08-24 | Replaceable multifunctional vibration and noise reduction ladder type track plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215856957U true CN215856957U (en) | 2022-02-18 |
Family
ID=80242012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122001332.XU Active CN215856957U (en) | 2021-08-24 | 2021-08-24 | Replaceable multifunctional vibration and noise reduction ladder type track plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215856957U (en) |
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2021
- 2021-08-24 CN CN202122001332.XU patent/CN215856957U/en active Active
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