CN211848642U - Composite prefabricated sound-absorbing track plate for urban rail transit - Google Patents
Composite prefabricated sound-absorbing track plate for urban rail transit Download PDFInfo
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- CN211848642U CN211848642U CN202020157217.4U CN202020157217U CN211848642U CN 211848642 U CN211848642 U CN 211848642U CN 202020157217 U CN202020157217 U CN 202020157217U CN 211848642 U CN211848642 U CN 211848642U
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Abstract
A composite prefabricated sound-absorbing track slab for urban rail transit comprises a track slab body, prefabricated short sleepers and a sound-absorbing concrete layer, wherein the track slab body is of a roughly rectangular slab structure, two rows of prefabricated short sleepers which are longitudinally arranged at intervals are arranged on the upper surface of the track slab body, and two steel rails of a track can be respectively installed on the two rows of prefabricated short sleepers through steel rail fasteners; the upper surface of the track slab body is provided with a sound-absorbing concrete layer so as to provide sound-absorbing and noise-reducing effects; therefore, the utility model discloses simple structure, convenient operation provides inhales the sound and falls the function of making an uproar, reduces engineering cost, and convenient construction again does not exist and invades and account for the derived problem such as track both sides space.
Description
Technical Field
The utility model relates to an urban rail transit track structure's technical field especially relates to a compound prefabricated sound absorbing track board is used in urban rail transit.
Background
In the prior art, the domestic prefabricated track slab is only used as a track stress structure for supporting vehicles and has no noise reduction function. In a section with noise reduction requirement, the purpose of noise reduction is generally achieved by further arranging a sound-absorbing material or a sound-absorbing plate on the surface of the track bed, but the method has the problems of difficult installation, poor sound-absorbing effect, high cost, poor aesthetic property and the like.
Therefore, the designer of the utility model, in view of the above defects, through careful research and design, synthesizes the experience and achievement of long-term years of related industries, and researches and designs a composite prefabricated sound-absorbing track slab for urban rail transit to overcome the above defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compound prefabricated sound track board of inhaling is used in urban rail transit, its simple structure, convenient operation provides inhales the sound function, reduces engineering cost, and convenient construction again does not exist and invades and account for derived problems such as track both sides space.
In order to achieve the above object, the utility model discloses a compound prefabricated sound track board of inhaling is used in urban rail transit, including track board body, prefabricated short sleeper and sound absorbing layer, its characterized in that:
the track slab body is the rectangle plate body structure, the upper surface of track slab body is equipped with two rows of vertical interval arrangement's prefabricated short sleeper, and orbital two rail pass through the rail fastener and install respectively on two rows of prefabricated short sleepers, other surfaces of the upper surface of track slab body except prefabricated short sleeper are equipped with the sound concrete layer of inhaling in order to provide the effect of inhaling the sound and falling the noise, the lower surface of track slab body is plane, arcwall face or falls trapezoidal face.
Wherein: the thickness of the sound-absorbing concrete layer is 4-5 cm.
Wherein: the sound absorption layer is made of ceramsite concrete materials.
Wherein: and adhesive materials of an interface agent are sprayed between the sound absorption layer and the track plate body so that the track plate and the sound absorption layer are compounded into a whole.
Wherein: a plurality of prefabricated short sleepers are embedded into the upper surface of the track plate at intervals, and sound-absorbing concrete layers are not arranged at the positions where the prefabricated short sleepers are embedded.
Wherein: the upper part of the prefabricated short sleeper is higher than the upper surface of the track plate by a certain distance.
Wherein: the bottom of the short sleeper forms firm and effective connection with the track slab body through a plurality of steel bar hooks arranged at intervals.
As can be seen from the above, the composite prefabricated sound-absorbing track slab for urban rail transit of the present invention has the following effects:
1. the surface of the middle plate of the prefabricated track plate has a sound absorption function to form a composite prefabricated sound absorption track plate, concrete (such as ceramsite concrete) with a sound absorption effect is arranged on the surface of the middle plate in a factory prefabricating mode and is used for absorbing noise generated by wheel rail impact vibration and the like.
2. The sound-absorbing concrete layer with a certain thickness does not bear rail force, the embedded prefabricated short sleepers form a rail base slope and transfer the rail force, the service life can be effectively prolonged, and the operation and maintenance performance is better.
The details of the present invention can be obtained from the following description and the attached drawings.
Drawings
Fig. 1 shows the utility model discloses a top view of compound prefabricated sound track board of inhaling is used in urban rail transit.
Fig. 2 shows a schematic view in the direction a-a in fig. 1.
Fig. 3 shows a schematic view in the direction B-B in fig. 1.
Reference numerals:
10. a track plate body; 11. prefabricating a short sleeper; 12. a steel rail; 13. a sound absorbing concrete layer; 14. a steel bar hook.
Detailed Description
Referring to fig. 1, fig. 2 and fig. 3, the composite prefabricated sound-absorbing track slab for urban rail transit of the present invention is shown.
Urban rail transit is with compound prefabricated sound track board of inhaling includes track board body 10, prefabricated short sleeper 11 and sound absorption layer 13, track board body 10 is the rectangular plate body structure, as shown in the figure, and this rectangular plate body structure's length is L, wide W, the upper surface of track board body 10 corresponds rail 12 and is equipped with two rows of interval arrangement's prefabricated short sleeper 11, and two rails 12 bear the rail through two rows of prefabricated short sleeper 11 respectively, the upper surface of track board body 10 is equipped with sound absorption layer 13 to the effect of making an uproar is inhaled in the sound that provides and is inhaled.
The thickness D of the sound absorption layer 13 is 4-5 cm, so that the whole thickness of the track plate body is D, the track plate body can be made of ceramsite concrete with a sound absorption effect, and the purposes of sound absorption and noise reduction are achieved.
And adhesive materials such as an interface agent are sprayed between the sound absorption layer 13 and the track plate body 10, so that the track plate and the sound absorption layer are combined into a whole.
The upper surface of the track plate body 10 is embedded with a plurality of prefabricated short sleepers 11, the embedding parts are not provided with sound absorption layers, the upper parts of the prefabricated short sleepers 11 protrude out of the upper surface of the track plate body 10 by a certain distance (about 30mm), and the upper surfaces of the prefabricated short sleepers 11 incline to the central axis of the track plate body 10 by a certain angle (1:30 or 1:40), so that rail bearing is realized, and the sound absorption layers are prevented from being influenced.
Wherein, the bottom of the short sleeper 11 forms a stable and effective connection with the track slab body through a plurality of steel bar hooks arranged at intervals, thereby ensuring that the two can not be separated.
The utility model provides a compound prefabricated sound track board of inhaling accomplishes the prefabrication in through the mill, and on-the-spot lifting device that adopts lays to effectively combine with cast-in-place roadbed filled concrete, for this reason track board body 10 can set up lewis hole and filling opening in the suitable position of upper surface.
The utility model provides a compound prefabricated sound track board of inhaling can lay in urban rail transit's the underground tunnel, on the overpass or on the ground road surface, compound prefabricated sound track board lower surface of inhaling can design into different shapes according to the difference that bears infrastructure. For example: the viaduct can be designed into a plane, and the underground tunnel can be designed into a plane, an arc-shaped surface or an inverted trapezoidal surface and the like.
Therefore, the utility model has the advantages of it is following:
1. the surface of the middle plate of the prefabricated track plate is added with the functions of sound absorption and noise reduction to form a composite prefabricated sound absorption track plate, and concrete (such as ceramsite concrete) with sound absorption effect is arranged on the surface of the middle plate in a factory prefabricating mode and is used for absorbing noise generated by wheel rail impact vibration and the like.
2. The sound absorption type concrete layer with a certain thickness does not bear rail force, and the rail base slope is formed by the arranged prefabricated short sleepers and the rail force is transmitted, so that the service life can be effectively prolonged, and the operation and maintenance performance is better.
It is to be understood that the above description and illustrations are exemplary only and are not intended to limit the present disclosure, application, or uses. While embodiments have been described in the embodiments and depicted in the drawings, the present invention is not limited to the particular examples illustrated by the drawings and described in the embodiments as the best mode presently contemplated for carrying out the teachings of the present invention, and the scope of the present invention will include any embodiments of the foregoing description and the appended claims.
Claims (7)
1. The utility model provides a compound prefabricated sound track board of inhaling for urban rail transit, includes track board body, prefabricated short sleeper and sound absorbing layer, its characterized in that:
the track slab body is the rectangle plate body structure, the upper surface of track slab body is equipped with two rows of vertical interval arrangement's prefabricated short sleeper, and orbital two rail pass through the rail fastener and install respectively on two rows of prefabricated short sleepers, other surfaces of the upper surface of track slab body except prefabricated short sleeper are equipped with the sound concrete layer of inhaling in order to provide the effect of inhaling the sound and falling the noise, the lower surface of track slab body is plane, arcwall face or falls trapezoidal face.
2. The composite type prefabricated sound-absorbing track slab for urban rail transit according to claim 1, wherein: the thickness of the sound-absorbing concrete layer is 4-5 cm.
3. The composite type prefabricated sound-absorbing track slab for urban rail transit according to claim 1, wherein: the sound absorption layer is made of ceramsite concrete materials.
4. The composite type prefabricated sound-absorbing track slab for urban rail transit according to claim 1, wherein: and adhesive materials of an interface agent are sprayed between the sound absorption layer and the track plate body so that the track plate and the sound absorption layer are compounded into a whole.
5. The composite type prefabricated sound-absorbing track slab for urban rail transit according to claim 1, wherein: a plurality of prefabricated short sleepers are embedded into the upper surface of the track plate at intervals, and sound-absorbing concrete layers are not arranged at the positions where the prefabricated short sleepers are embedded.
6. The composite type prefabricated sound-absorbing track slab for urban rail transit according to claim 5, wherein: the upper part of the prefabricated short sleeper is higher than the upper surface of the track plate by a certain distance.
7. The composite type prefabricated sound-absorbing track slab for urban rail transit according to claim 5, wherein: the bottom of the short sleeper forms firm and effective connection with the track slab body through a plurality of steel bar hooks arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157217.4U CN211848642U (en) | 2020-02-10 | 2020-02-10 | Composite prefabricated sound-absorbing track plate for urban rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157217.4U CN211848642U (en) | 2020-02-10 | 2020-02-10 | Composite prefabricated sound-absorbing track plate for urban rail transit |
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| Publication Number | Publication Date |
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| CN211848642U true CN211848642U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020157217.4U Active CN211848642U (en) | 2020-02-10 | 2020-02-10 | Composite prefabricated sound-absorbing track plate for urban rail transit |
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| Country | Link |
|---|---|
| CN (1) | CN211848642U (en) |
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2020
- 2020-02-10 CN CN202020157217.4U patent/CN211848642U/en active Active
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