CN113174786A - Piece together formula railway roadbed abatvoix and inhale sound subassembly - Google Patents
Piece together formula railway roadbed abatvoix and inhale sound subassembly Download PDFInfo
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- CN113174786A CN113174786A CN202110314961.XA CN202110314961A CN113174786A CN 113174786 A CN113174786 A CN 113174786A CN 202110314961 A CN202110314961 A CN 202110314961A CN 113174786 A CN113174786 A CN 113174786A
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- 230000000994 depressogenic effect Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000004568 cement Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 description 24
- 238000012423 maintenance Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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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
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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Abstract
The invention discloses a spliced type roadbed sound-absorbing plate and a sound-absorbing assembly, which comprise sound-absorbing plates, wherein each sound-absorbing plate is provided with an upper surface for absorbing sound, a lower surface arranged opposite to the upper surface and two side surfaces arranged opposite to one side or the other side of the adjacent sound-absorbing plate, one of the upper surface and the lower surface of the same sound-absorbing plate is a lapping surface, and a lapping concave surface connected with the side surface is arranged at the edge position of the lapping surface close to the side surface. Through will inhaling the sound plate and setting up the overlap joint depressed face, only need set up vertical connecting piece, can connect two adjacent sound plates of inhaling as an organic whole, simple structure connects firmly, when one of them department of needs overhaul inhales the sound plate, can only dismantle one and inhale the sound plate, or dismantle three at most and inhale the sound plate, can realize waiting to overhaul the demolising of inhaling the sound plate, convenient operation.
Description
Technical Field
The invention belongs to the technical field of noise reduction of rail transit equipment, and particularly relates to a spliced type ballast bed sound-absorbing board and a sound-absorbing assembly.
Background
With the continuous enhancement of environmental protection consciousness in China, how to reduce railway noise is a problem which needs to be solved urgently. The railway track acoustic panel is applied to rail transit at home and abroad as a technical measure for effectively reducing wheel track noise.
The track bed among the prior art inhales the sound subassembly and generally includes a plurality of sound plate blocks of inhaling that arrange in proper order along the vertical of train operation, for preventing that track abatvoix and track bed board or track board from taking place relative dislocation when the train passes through, ensures the stability of its self structure geometry position, and existing track abatvoix mainly takes under the abatvoix to set up the mode that bonds mortar fixed with track bed board or track board surface. The track acoustic panel is all bonded on the surface of the track bed plate or the track plate, when the track structure under the acoustic panel needs maintenance, the acoustic panel needs to be removed and the rear can be developed, and the acoustic panel, the track bed plate or the track plate surface is easy to be damaged when the acoustic panel is removed, so that certain influence is caused on the maintenance. Meanwhile, the hidden danger of durability exists in the mortar service process.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the problem that the sound-absorbing assembly in the prior art is not easy to assemble and disassemble.
In order to solve the technical problems, the invention provides a spliced type track bed sound-absorbing board, which comprises sound-absorbing boards, wherein each sound-absorbing board is provided with an upper surface for absorbing sound, a lower surface opposite to the upper surface and two side surfaces for facing one or two opposite sides of the adjacent sound-absorbing board, one of the upper surface and the lower surface of the same sound-absorbing board is a lapping surface, and a lapping concave surface connected with the side surfaces is arranged at the edge position of the lapping surface close to the side surfaces.
Further, the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
Furthermore, the edge position of the lapping surface, which is close to the side surface, is provided with a lapping concave surface which extends along the length direction of the edge.
Furthermore, a limiting protrusion part or a limiting groove part is arranged at the position, close to the middle, of the lapping concave surface.
Further, the overlap joint depressed face is equipped with the locating hole that is used for being connected with adjacent sound absorbing plate piece, the overlap joint depressed face is located during the upper surface, the locating hole has and is close to the hole section A of overlap joint depressed face and is close to the hole section B of lower surface, the aperture of hole section A is less than the aperture of hole section B, the overlap joint depressed face is located during the lower surface, the locating hole has and is close to the hole section C of overlap joint depressed face and is close to the hole section D of upper surface, the aperture of hole section C is less than the aperture of hole section D.
Furthermore, a sound-absorbing wedge structure is arranged at the non-overlapping concave surface of the upper surface and comprises a plurality of trapezoidal protruding portions and a plurality of V-shaped groove portions, and the trapezoidal protruding portions and the V-shaped groove portions are alternately arranged.
Furthermore, the non-overlapping concave surface of the lower surface is provided with criss-cross water guide through grooves.
Furthermore, the sound-absorbing plate is a rectangular plate, and four corners of the rectangular plate are provided with unfilled corners.
The invention also provides another technical scheme: the utility model provides a piece together formula railway roadbed and inhale sound subassembly, its characterized in that, includes a plurality of as above piece together formula railway roadbed abatvoix, it is a plurality of inhale the sound plate along vertically arranging in proper order, adjacent two in inhaling the sound plate, one of them upper surface sets up overlap concave surface, another's lower surface sets up overlap concave surface, the upper surface overlap concave surface supports the lower surface overlap concave surface is located vertical outermost inhale the sound plate and set up one the side surface is located in the middle inhale the sound plate sets up two the side surface.
Furthermore, two adjacent sound-absorbing plates are connected together through cast-in-place cement columns or bolts.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1) according to the spliced type track bed sound-absorbing plate and the sound-absorbing assembly, the sound-absorbing plates are provided with the lapping concave surfaces, two adjacent sound-absorbing plates can be connected into a whole only by arranging the vertical connecting piece, the structure is simple, the connection is stable, when one sound-absorbing plate needs to be disassembled and repaired, only one sound-absorbing plate can be disassembled, or at most three sound-absorbing plates can be disassembled, the sound-absorbing plate to be disassembled and repaired can be disassembled, and the operation is convenient;
2) according to the spliced type track bed sound-absorbing plate and the sound-absorbing assembly, the lapping concave surfaces are arranged to be a plurality of at intervals, or the limiting convex parts or the limiting concave parts are arranged, so that two adjacent sound-absorbing plates can be ensured not to move relatively along the transverse direction;
3) according to the spliced type track bed sound-absorbing plate and the sound-absorbing assembly, the positioning holes for connecting the adjacent sound-absorbing plates are formed in the lapping concave surface, and the adjacent two sound-absorbing plates can be limited from moving relatively along the vertical direction while being limited by the cast-in-place cement columns or bolts, so that the cast-in-place cement columns are good in corrosion resistance, and the connection reliability of the sound-absorbing assembly is ensured;
4) according to the spliced type track bed acoustic board and the acoustic absorption assembly, the criss-cross water guide through grooves are formed in the non-overlapping concave surface of the lower surface, rainwater can be prevented from accumulating below the acoustic board, meanwhile, the contact area of the acoustic absorption plate and a track bed board or a track board below the acoustic absorption plate is reduced, the attaching degree of the lower surface of the acoustic absorption plate and the track bed board or the track board below the acoustic absorption plate is further guaranteed, and the acoustic absorption plate is not prone to shaking.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is an axial view of one perspective of an acoustical tile in accordance with one embodiment of the present invention;
FIG. 2 is an axial view of another perspective of an acoustical tile according to one embodiment of the present invention;
FIG. 3 is an axial view of a perspective of a sound absorbing tile according to a second embodiment of the present invention;
FIG. 4 is an axial view of another perspective of an acoustical panel block in accordance with a second embodiment of the present invention;
FIG. 5 is an axial view from one perspective of a sound absorbing tile according to a third embodiment of the present invention;
FIG. 6 is an axial view of another perspective of a sound absorbing tile according to a third embodiment of the present invention;
FIG. 7 is an axial view from one perspective of a sound absorbing tile according to a fourth embodiment of the present invention;
FIG. 8 is an axial view of another perspective of a sound absorbing tile according to a fourth embodiment of the present invention;
FIG. 9 is an axial view from one perspective of a sound absorbing tile according to example five of the present invention;
FIG. 10 is an axial view of another perspective of a sound absorbing tile according to example five of the present invention;
FIG. 11 is an axial view from one perspective of a sound absorbing tile according to a sixth embodiment of the present invention;
fig. 12 is an axial view from another perspective of a sound absorbing panel block according to a sixth embodiment of the present invention;
fig. 13 is a schematic view of a perspective view of a sound absorbing assembly according to a seventh embodiment of the present invention.
10, a first sound-absorbing plate; 11. a first upper surface; 12. a first lower surface; 13. a first side surface; 14. a first overlapping recessed surface; 15. a first limit groove part; 16. a first positioning hole; 17. a first sound absorbing wedge structure; 18. a first water guiding through groove;
20. a second sound absorbing panel; 21. a second upper surface; 22. a second lower surface; 23. a second side surface; 24. a second overlapping recessed surface; 25. a second limit bulge; 26. a second positioning hole; 27. a second wedge acoustic structure; 28. a second water guiding through groove;
30. a third sound absorbing panel; 31. a third upper surface; 32. a third lower surface; 33. a third side surface; 34. a third lapping depression surface; 35. a third limiting groove part; 36. a third positioning hole; 37. a third wedge acoustic structure; 38. a third water guiding through groove;
40. a fourth sound absorbing panel; 41. a fourth upper surface; 42. a fourth lower surface; 43. a fourth side surface; 44. a fourth overlapping recessed surface; 45. a fourth limit groove part; 46. a fourth positioning hole; 47. a fourth wedge acoustic structure; 48. a fourth water guiding through groove;
50. a fifth sound absorbing panel; 51. a fifth upper surface; 52. a fifth lower surface; 53. a fifth side surface; 54. a fifth overlapping recessed surface; 55. a fifth limiting bulge; 56. a fifth positioning hole; 57. a fifth wedge acoustic structure; 58. a fifth water guiding through groove;
60. a sixth sound absorbing panel; 61. a sixth upper surface; 62. a sixth lower surface; 63. a sixth side surface; 64. a sixth overlapping recessed surface; 65. a sixth limiting groove part; 66. a sixth positioning hole; 67. a sixth wedge acoustic structure; 68. a sixth water guiding through groove;
70. a track.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further improvements to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise. In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure. In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by persons skilled in the relevant art or technicians, and are not to be construed as limitations of the present disclosure.
The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.
Example one
Referring to fig. 1 and 2, as shown in the legend therein: the utility model provides a piece together formula railway roadbed abatvoix, includes first sound absorption plate piece 10, first sound absorption plate piece 10 has the first upper surface 11 that is used for inhaling the sound, carry on back first lower surface 12 that sets up mutually with first upper surface 11 and be used for two first side surfaces 13 that carry on back the mutually that set up towards adjacent sound absorption plate piece, first upper surface 11 of first sound absorption plate piece 10 is first overlap joint surface, first overlap joint surface is close to the border position of first side surface 13 and is equipped with the first overlap joint depressed face 14 that meets with first side surface 13.
In the preferred embodiment of the present embodiment, the edge of the overlapping surface near the first side surface 13 is provided with a first overlapping concave surface 14 extending along the length direction of the edge. In other embodiments it may also be: the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
In a preferred embodiment of this embodiment, a first limit recess portion 15 is provided near the middle of the first overlapping recess surface 14. In other embodiments it may also be: the position of the lapping sunken surface close to the middle is provided with a limiting bulge.
In a preferred embodiment of the present invention, the first overlapping recessed surface 14 is provided with a first positioning hole 16 for connecting with an adjacent sound absorbing panel block, the first positioning hole 16 has a hole section a near the first overlapping recessed surface 14 and a hole section B near the first lower surface 12, and the hole diameter of the hole section a is smaller than that of the hole section B.
In a preferred embodiment of the present embodiment, the first upper surface 11 is provided with a first sound-absorbing wedge structure 17 at a non-overlapping concave surface, the sound-absorbing wedge structure includes a plurality of trapezoidal protrusions and a plurality of V-shaped grooves, and the plurality of trapezoidal protrusions and the plurality of V-shaped grooves are alternately arranged.
In the preferred embodiment of the present embodiment, the non-overlapping recessed surface of the first lower surface 12 is provided with criss-cross first water guiding through grooves 18.
In a preferred embodiment of the present embodiment, the first sound-absorbing panel block 10 is a rectangular panel block, and four corners of the rectangular panel block are provided with notches.
The first sound-absorbing board block in the embodiment is suitable for being arranged on a track bed board or a track board between two tracks.
Example two
Referring to fig. 3 and 4, as shown in the legend therein: the utility model provides a piece together formula railway roadbed abatvoix, includes that the second inhales sound plate 20, second inhales sound plate 20 has the second upper surface 21 that is used for inhaling the sound, carry on the back with the second lower surface 22 that sets up mutually with second upper surface 21 and be used for two second side surfaces 23 that carry on the back the body that set up towards adjacent sound plate, second inhales sound plate 20's second lower surface 22 to be the second overlap joint surface, the edge position that second side surface 23 is close to in the second overlap joint surface is equipped with the second overlap joint depressed face 24 that meets with second side surface 23.
In the preferred embodiment of the present embodiment, the overlapping surface is provided with a second overlapping concave surface 24 extending along the length direction of the edge near the edge of the second side surface 23. In other embodiments it may also be: the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
In the preferred embodiment of this embodiment, the second overlapping concave surface 24 is provided with a second limiting convex portion 25 near the middle. In other embodiments it may also be: and a position of the lapping sunken surface close to the middle is provided with a limiting groove part.
In a preferred embodiment of the present invention, the second overlapping recessed surface 24 is provided with a second positioning hole 26 for connecting with an adjacent sound absorbing panel block, the second positioning hole 26 has a hole section C near the second overlapping recessed surface 24 and a hole section D near the second upper surface 21, and the hole diameter of the hole section C is smaller than that of the hole section D.
In a preferred embodiment of the present embodiment, a second wedge structure 27 is disposed at the non-overlapping recessed surface of the second upper surface 21, and the wedge structure includes a plurality of trapezoidal protruding portions and a plurality of V-shaped groove portions, which are alternately arranged.
In the preferred embodiment of the present invention, the non-overlapping recessed surface of the second lower surface 22 is provided with criss-cross second water guiding through grooves 28.
In a preferred embodiment of the present invention, the second sound absorbing plate 20 is a rectangular plate, and four corners of the rectangular plate are provided with notches.
The second sound absorbing plate in this embodiment is suitable for being disposed on a track bed plate or a track plate between two tracks.
EXAMPLE III
Referring to fig. 5 and 6, as shown in the legend therein: the utility model provides a piece together formula railway roadbed abatvoix, includes third sound absorption plate piece 30, and third sound absorption plate piece 30 has the third upper surface 31 that is used for inhaling the sound, carries the third lower surface 32 that sets up back to the back with third upper surface 31 and is used for towards adjacent third side surface 33 who inhales the sound plate piece, and third sound absorption plate piece 30's third upper surface 31 is the third overlap joint surface, and the edge position that third overlap joint surface is close to third side surface 33 is equipped with the third overlap joint depressed face 34 that meets with third side surface 33.
In the preferred embodiment of the present embodiment, a third overlapping concave surface 34 extending along the length direction of the edge is provided at the position of the overlapping surface near the edge of the third side surface 33. In other embodiments it may also be: the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
In a preferred embodiment of this embodiment, a third limit recess portion 35 is provided near the middle of the third overlapping recess surface 34. In other embodiments it may also be: the position of the lapping sunken surface close to the middle is provided with a limiting bulge.
In a preferred embodiment of the present invention, the third overlapping recessed surface 34 is provided with a third positioning hole 36 for connecting with an adjacent sound absorbing panel block, and the third positioning hole 36 has a hole section a near the third overlapping recessed surface 34 and a hole section B near the third lower surface 32, and the hole diameter of the hole section a is smaller than that of the hole section B.
In a preferred embodiment of the present embodiment, a third wedge structure 37 is disposed at the non-overlapping recessed surface of the third upper surface 31, and the wedge structure includes a plurality of trapezoidal protruding portions and a plurality of V-shaped groove portions, which are alternately arranged.
In the preferred embodiment of the present invention, the non-overlapping recessed surface of the third lower surface 32 is provided with criss-cross third water guiding and passing grooves 38.
In a preferred embodiment of the present invention, the third sound absorbing plate 30 is a rectangular plate, and four corners of the rectangular plate are provided with notches.
The third sound absorbing plate in this embodiment is suitable for being disposed on a track bed plate or a track plate between two tracks, and is disposed at the outermost end of the outer edge in the longitudinal direction.
Example four
Referring to fig. 7 and 8, as shown in the legend therein: the utility model provides a piece together formula railway roadbed abatvoix, including fourth sound absorption plate piece 40, fourth sound absorption plate piece 40 has the fourth upper surface 41 that is used for inhaling the sound, the fourth lower surface 42 that sets up back of the body with fourth upper surface 41 and be used for two fourth side surfaces 43 that set up back of the body towards adjacent sound absorption plate piece mutually, fourth sound absorption plate piece 40's fourth upper surface 41 is the fourth overlap joint surface, the edge position that fourth overlap joint surface is close to fourth side surface 43 is equipped with the fourth overlap joint depressed face 44 that meets with fourth side surface 43.
In the preferred embodiment of the present invention, a fourth overlapping concave surface 44 is provided at the edge position of the overlapping surface near the fourth side surface 43 and extends along the length direction of the edge. In other embodiments it may also be: the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
In a preferred embodiment of this embodiment, a fourth limit groove portion 45 is provided at a position near the middle of the fourth overlapping recessed surface 44. In other embodiments it may also be: the position of the lapping sunken surface close to the middle is provided with a limiting bulge.
In a preferred embodiment of this embodiment, the fourth overlapping recessed surface 44 is provided with a fourth positioning hole 46 for connecting to an adjacent sound absorbing panel block, and the fourth positioning hole 46 has a hole section a adjacent to the fourth overlapping recessed surface 44 and a hole section B adjacent to the fourth lower surface 42, and the hole diameter of the hole section a is smaller than that of the hole section B.
In a preferred embodiment of the present embodiment, a fourth wedge structure 47 is disposed at the non-overlapping recessed surface of the fourth upper surface 41, and the wedge structure includes a plurality of trapezoidal protruding portions and a plurality of V-shaped groove portions, which are alternately arranged.
In the preferred embodiment of the present invention, the non-overlapping recessed surface of the fourth lower surface 42 is provided with criss-cross fourth water guiding and passing grooves 48.
In a preferred embodiment of the present embodiment, the fourth sound absorbing plate 40 is a rectangular plate, and four corners of the rectangular plate are provided with notches.
The fourth sound absorption plate in this embodiment is suitable for being arranged on a track bed plate or a track plate outside the track. The fourth positioning hole is arranged in the fourth limiting groove part.
EXAMPLE five
Referring to fig. 9 and 10, as shown in the legend therein: the utility model provides a piece together formula railway roadbed abatvoix, includes fifth sound absorption plate block 50, fifth sound absorption plate block 50 has the fifth upper surface 51 that is used for inhaling the sound, the fifth lower surface 52 that sets up mutually away with fifth upper surface 51 and is used for two fifth side surfaces 53 that set up mutually away towards adjacent sound absorption plate block, fifth sound absorption plate block 50's fifth lower surface 52 is the fifth overlap joint surface, the marginal position that the fifth overlap joint surface is close to fifth side surface 53 is equipped with the fifth overlap joint depressed face 54 that meets with fifth side surface 53.
In the preferred embodiment of the present embodiment, the overlapping surface is provided with a fifth overlapping recess surface 54 extending in the length direction of the edge at a position near the edge of the fifth side surface 53. In other embodiments it may also be: the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
In a preferred embodiment of the present embodiment, a fifth limiting protrusion 55 is provided near the middle of the fifth overlapping recessed surface 54. In other embodiments it may also be: and a position of the lapping sunken surface close to the middle is provided with a limiting groove part.
In a preferred embodiment of this embodiment, the fifth overlapping recessed surface 54 is provided with a fifth positioning hole 56 for connecting to an adjacent sound absorbing panel block, and the fifth positioning hole 56 has a hole section C adjacent to the fifth overlapping recessed surface 54 and a hole section D adjacent to the fifth upper surface 51, and the hole diameter of the hole section C is smaller than that of the hole section D.
In a preferred embodiment of the present embodiment, a fifth wedge structure 57 is disposed at the non-overlapping recessed surface of the fifth upper surface 51, and the wedge structure includes a plurality of trapezoidal protruding portions and a plurality of V-shaped groove portions, which are alternately arranged.
In the preferred embodiment of the present invention, the non-overlapping recessed surface of the fifth lower surface 52 is provided with criss-cross fifth water guiding and passing grooves 58.
In a preferred embodiment of the present invention, the fifth sound absorbing plate 50 is a rectangular plate, and four corners of the rectangular plate are provided with notches.
The fifth sound absorption plate in this embodiment is suitable for being disposed on a track slab or a track slab outside the track. The fifth positioning hole is formed in the fifth limiting protruding portion.
EXAMPLE six
Referring to fig. 11 and 12, as shown in the legend therein: the utility model provides a piece together formula railway roadbed abatvoix, includes sixth sound absorbing plate piece 60, and sixth sound absorbing plate piece 60 has the sixth upper surface 61 that is used for inhaling the sound, the sixth lower surface 62 that sets up back to the back with sixth upper surface 61 and is used for towards the sixth side surface 63 of adjacent sound absorbing plate piece, and sixth sound absorbing plate piece 60's sixth upper surface 61 is the sixth overlap joint surface, and the sixth overlap joint surface is equipped with the sixth overlap joint depressed face 64 that meets with sixth side surface 63 near the marginal position of sixth side surface 63.
In the preferred embodiment of the present embodiment, the overlapping surface is provided with a sixth overlapping concave surface 64 extending in the length direction of the edge at a position close to the edge of the sixth side surface 63. In other embodiments it may also be: the edge position of the lapping surface close to the side surface is provided with a plurality of lapping concave surfaces which are arranged at intervals along the length direction of the edge.
In a preferred embodiment of this embodiment, a sixth limit recess portion 65 is provided near the middle of the sixth overlapping recess surface 64. In other embodiments it may also be: the position of the lapping sunken surface close to the middle is provided with a limiting bulge.
In a preferred embodiment of this embodiment, the sixth overlapping recessed surface 64 is provided with a sixth positioning hole 66 for connecting to an adjacent sound absorbing panel block, and the sixth positioning hole 66 has a hole section a adjacent to the sixth overlapping recessed surface 64 and a hole section B adjacent to the sixth lower surface 62, and the hole diameter of the hole section a is smaller than that of the hole section B.
In a preferred embodiment of the present embodiment, a sixth wedge structure 67 is disposed at the non-overlapping recessed surface of the sixth upper surface 61, and the wedge structure includes a plurality of trapezoidal protruding portions and a plurality of V-shaped groove portions, which are alternately arranged.
In the preferred embodiment of the present invention, the non-overlapping recessed surface of the sixth lower surface 62 is provided with criss-cross sixth water guiding through grooves 68.
In a preferred embodiment of the present embodiment, the sixth sound absorbing plate 60 is a rectangular plate, and four corners of the rectangular plate are provided with notches.
The sixth sound absorbing plate in this embodiment is suitable for being disposed on a track slab or a track slab outside the track, and is disposed at the outermost end in the longitudinal direction. The sixth positioning hole is arranged in the sixth limiting groove part.
EXAMPLE seven
Referring to fig. 13, as shown in the drawing, a sound-absorbing assembly for a split type track bed includes a plurality of first sound-absorbing plate blocks 10 and a plurality of second sound-absorbing plate blocks 20 alternately arranged in sequence along a longitudinal direction, and in two adjacent first sound-absorbing plate blocks 10 and second sound-absorbing plate blocks 20, a first overlapping concave surface 14 of each first sound-absorbing plate block 10 supports a second overlapping concave surface 24 of each second sound-absorbing plate block 20.
The first and second acoustic tiles 10 and 20 are disposed between the two rails 70.
The preferred embodiment of this embodiment further comprises a third acoustical panel block 30, the third overlapping concave surface 34 of the third acoustical panel block 30 supporting the second overlapping concave surface 24 of the second acoustical panel block 20.
The third acoustical panel block 30 is disposed between the two rails 70 at the longitudinally outermost end.
In the preferred embodiment of this embodiment, the sound absorbing panel further includes a plurality of fourth sound absorbing panels 40 and a plurality of fifth sound absorbing panels 50 alternately arranged in the longitudinal direction, and in two adjacent fourth sound absorbing panels 40 and fifth sound absorbing panels 50, the fifth overlapping recessed surfaces 54 of the fifth sound absorbing panels 50 are supported by the fourth overlapping recessed surfaces 44 of the fourth sound absorbing panels 40.
The fourth and fifth acoustical tiles 40 and 50 are disposed outside the rail 70.
In a preferred embodiment of this embodiment, the sixth acoustical panel block 60 further includes a sixth overlapping concave surface 64 of the sixth acoustical panel block 60 supporting the fifth overlapping concave surface 54 of the fifth acoustical panel block 50.
The fourth and fifth acoustical panel blocks 40 and 50 are disposed outside the rails 70 at the longitudinally outermost ends.
In the preferred embodiment, the first alignment hole 16 of the first overlapping recess surface 14 and the second alignment hole 26 of the second overlapping recess surface 24 are connected together by a cast-in-place cement column or bolt, the third alignment hole 36 of the third overlapping recess surface 34 and the second alignment hole 26 of the second overlapping recess surface 24 are connected together by a cast-in-place cement column or bolt, the fourth alignment hole 46 of the fourth overlapping recess surface 44 and the fifth alignment hole 56 of the fifth overlapping recess surface 54 are connected together by a cast-in-place cement column or bolt, and the sixth alignment hole 66 of the sixth overlapping recess surface 64 and the fifth alignment hole 56 of the fifth overlapping recess surface 54 are connected together by a cast-in-place cement column or bolt.
After the cast-in-place cement column is formed, the two ends are thick, the middle is thin, and the relative movement of the two adjacent sound absorption plates along the vertical direction can be limited.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a piece together formula railway roadbed abatvoix, includes inhales the sound plate, its characterized in that, inhale the sound plate have be used for inhaling the sound the upper surface, with the lower surface that the upper surface set up mutually on the back and be used for towards adjacent two side surfaces that one or mutually carry on the back set up of inhaling the sound plate, its characterized in that is same in inhaling the upper surface and the lower surface of sound plate, one of them is the overlap joint surface, the overlap joint surface is close to the border position of side surface be equipped with the overlap joint depressed face that the side surface meets.
2. The block-type track bed sound-absorbing panel according to claim 1, wherein the overlapping surface is provided with a plurality of overlapping recessed surfaces arranged at intervals in the length direction of the edge at positions close to the edges of the side surfaces.
3. The block-type track bed sound-absorbing sheet according to claim 1, wherein the overlapping surface is provided with an overlapping recessed surface extending in the longitudinal direction of the edge at a position near the edge of the side surface.
4. The block-type track bed acoustic panel according to claim 3, wherein the overlapping recessed surface is provided with a limit projection portion or a limit recess portion at a position near the center.
5. The block-type track bed sound-absorbing panel according to claim 1, wherein the overlapping recessed surface is provided with a positioning hole for connecting with an adjacent sound-absorbing panel block, the positioning hole has a hole section a close to the overlapping recessed surface and a hole section B close to the lower surface when the overlapping recessed surface is provided on the upper surface, the hole section a has a smaller hole diameter than the hole section B, the positioning hole has a hole section C close to the overlapping recessed surface and a hole section D close to the upper surface when the overlapping recessed surface is provided on the lower surface, and the hole section C has a smaller hole diameter than the hole section D.
6. The block-type track bed acoustic panel according to claim 1, wherein the non-overlapping recessed surface of the upper surface is provided with a wedge-shaped acoustic structure, the wedge-shaped acoustic structure comprises a plurality of trapezoidal convex portions and a plurality of V-shaped groove portions, and the trapezoidal convex portions and the V-shaped groove portions are alternately arranged.
7. The built-up track bed sound-absorbing board according to claim 1, wherein the non-overlapping recessed surface of the lower surface is provided with criss-cross water guiding through grooves.
8. The block-type track bed sound-absorbing board according to claim 1, wherein the sound-absorbing board is a rectangular board, and four corners of the rectangular board are arranged in a corner-lacking manner.
9. A sound-absorbing assembly for a built-up track bed, comprising a plurality of sound-absorbing boards as set forth in any one of claims 1 to 8, wherein the sound-absorbing boards are arranged in sequence along the longitudinal direction, and are adjacent to each other, wherein one of the sound-absorbing boards is provided with a concave lapping surface, the other is provided with a concave lapping surface, the concave lapping surface supports the lower surface, the sound-absorbing board is provided with one side surface and is located at the outermost end, and the sound-absorbing board is provided with two side surfaces.
10. The sound-absorbing assembly of claim 9, wherein two adjacent sound-absorbing slabs are connected together by cast-in-place cement columns or bolts.
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| CN202110314961.XA CN113174786A (en) | 2021-03-24 | 2021-03-24 | Piece together formula railway roadbed abatvoix and inhale sound subassembly |
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| CN202110314961.XA CN113174786A (en) | 2021-03-24 | 2021-03-24 | Piece together formula railway roadbed abatvoix and inhale sound subassembly |
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Application publication date: 20210727 |