CN111622141A - Railway metal sound barrier system with access hole - Google Patents
Railway metal sound barrier system with access hole Download PDFInfo
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- CN111622141A CN111622141A CN202010347969.1A CN202010347969A CN111622141A CN 111622141 A CN111622141 A CN 111622141A CN 202010347969 A CN202010347969 A CN 202010347969A CN 111622141 A CN111622141 A CN 111622141A
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- 230000004888 barrier function Effects 0.000 title claims abstract description 49
- 239000002184 metal Substances 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 105
- 239000010959 steel Substances 0.000 claims abstract description 105
- 238000010521 absorption reaction Methods 0.000 claims abstract description 48
- 239000002390 adhesive tape Substances 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 11
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 9
- 210000004027 cell Anatomy 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 210000002457 barrier cell Anatomy 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0017—Plate-like elements
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- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a railway metal sound barrier system with an access hole, which consists of a steel upright post and a sound barrier unit plate matched with the steel upright post, and belongs to the technical field of vibration and noise treatment in the field of environmental protection. A railway metal sound barrier system with access holes is composed of H-shaped steel columns, a steel bottom plate, stiffening plates, nuts, a bottom unit plate with access holes and an upper unit plate. The H-shaped steel upright columns are welded at the corresponding positions of the steel bottom plate bolts and used for bearing and inserting the bottom unit plate with the access holes and the upper unit plate. The bottom cell plate with the access hole corresponds to the position of the bolt, the lower parts of the left end and the right end of the panel are windowed, the lower cross beam is perforated, the end sound absorption assembly is grooved, the decoupling rubber strip is perforated, the back plate is kept complete, the inside of the empty box is encapsulated, and the bolt and the nut can be accessed from the position of the panel where the window is formed. The invention solves the problem of overhauling the bolt and the nut outside the steel upright post, does not influence the noise reduction effect and has better stress condition.
Description
Technical Field
The invention relates to a railway metal sound barrier system with an access hole, which consists of a steel upright post and a sound barrier unit plate matched with the steel upright post, and belongs to the technical field of vibration and noise treatment in the field of environmental protection.
Background
In China, high-speed rails are constructed and put into operation on a large scale in nearly more than ten years, and in order to solve noise pollution generated by the operation of the high-speed rails, a large number of sound barriers are arranged on two sides of a noise sensitive line.
A railway metal sound barrier system put into use in China mainly comprises steel stand columns (including H-shaped steel stand columns, steel base plates, stiffening plates, nuts and the like) and sound barrier unit plates, wherein the number of the steel stand columns is three at present, the first type is the steel stand columns with uniformly distributed nuts, and two rows of nuts for fixing the steel base plates are symmetrically arranged on two sides (in the direction of a vertical line) of the steel stand columns. In the mode, the stress condition is good, but particularly for the sound barrier arranged on a bridge, the maintenance of the bolt and the nut at the outer side is difficult, so that the steel upright post is less used in the bridge sound barrier at present. The second type is that half offset of nut combines the support steel stand of falling L, and two rows of nuts of fixed steel bottom plate are half offset and are arranged, and the outside nut is located the cell board below, and the bottom cell board is replaced by the steel support of falling L. This kind of mode, the atress condition is better, has solved outside bolt and nut and has overhauld the maintenance problem, but replaces the falling L steel sheet of sound barrier cell board not have the sound absorption function, and the installation is difficult, leaks easily, influences the noise reduction effect. And the third type is a nut offset type steel upright column, and two rows of nuts are arranged in an offset manner and are positioned at visible positions on the inner side of the sound barrier unit plate. By the mode, the problem of overhauling the bolt and the nut on the outer side is solved, the noise reduction effect is not influenced, and the stress condition is relatively poor.
The patent provides a take railway metal sound barrier system of access hole comprises steel stand and the sound barrier cell board of adaptation with it, has both solved steel stand outside bolt and nut and has overhauld the problem, do not influence noise reduction effect again, and the atress condition is better.
Disclosure of Invention
The invention aims to develop a railway metal sound barrier system with access holes aiming at the defects of the existing railway sound barrier system, which is suitable for the fields of high-speed railways, ordinary railways, intercity railways, urban railways, rail traffic and the like, solves the problem of maintenance and repair of bolts and nuts at the outer side of a bridge sound barrier steel upright post, does not influence the noise reduction effect, and has better stress conditions.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a take railway metal sound barrier system of access hole which characterized in that: the railway metal sound barrier system with the access hole is composed of an H-shaped steel upright post (1), a steel bottom plate (2), a stiffening plate (3), a bottom unit plate (5) with the access hole, an upper unit plate (6) and nuts. The H-shaped steel upright posts (1) are welded on the steel bottom plate (2) and used for inserting the unit plates. 4 nuts, namely a first nut (4-1), a second nut (4-2), a third nut (4-3) and a fourth nut (4-4), are arranged on the steel bottom plate (2); the first nut (4-1) and the second nut (4-2) are positioned on the outer sides, and the center position of a clamping groove of the H-shaped steel upright post (1) corresponds to the center position of a connecting line of the first nut (4-1) and the second nut (4-2); or the center of the clamping groove of the H-shaped steel upright post (1) is arranged in an area 15mm away from the connecting line of the parallel nut (4-1) and the nut (4-2); the stiffening plate (3) is vertically welded and fixed with the H-shaped steel upright post (1) and the steel bottom plate (2); the bottom unit plate (5) with the access hole and the upper unit plate (6) are sequentially arranged on the H-shaped steel upright post (1).
The bottom unit plate (5) with the access hole is composed of a back plate (5-1), a panel (5-2), an upper cross beam (5-3), a lower cross beam (5-4), a vertical beam, decoupling rubber strips (5-6), end sound absorption assemblies, a middle sound absorption assembly and an empty box.
The bottom unit plate (5) with the access hole corresponds to the two ends of the panel (5-2) at the positions of the first nut (4-1) and the second nut (4-2) and is provided with windows, the back plate (5-1) is kept complete, the first end sound absorption assembly (5-7-1) and the second end sound absorption assembly (5-7-2) are provided with grooves, the two ends of the decoupling rubber strip (5-6) are provided with holes, a first empty box (5-9-1) and a second empty box (5-9-2) are formed in the bottom unit plate with the access hole corresponding to the positions of the nuts, and the empty boxes are encapsulated. After the bottom unit plate is installed, the bolt and the nut can be overhauled from the position of the panel window opening.
The bottom unit plate (5) with the access hole is connected with the upper cross beam (5-3), the lower cross beam (5-4) and the vertical beam in a buckling mode through a back plate (5-1), a face plate (5-2). The lower parts of the left end and the right end of the panel (5-2) are both opened with a rectangular shape, the range of the opening width (L) is 60 mm-300 mm, the range of the window height (H) is 60 mm-300 mm, the range of the distance (H) from the lower edge of the window to the bottom edge of the panel (5-2) is 10 mm-60 mm, and the range of the distance (L) from the vertical edge of the window to the side surface of the panel (5-2) is 10 mm-140 mm.
Both ends of a lower cross beam (5-4) of the bottom unit plate (5) with the access hole are provided with holes, and the holes are rectangular or circular. The shape of the opening being rectangularWhen the structure is formed, the range of the width (a) of the opening in the direction vertical to the panel (5-2) is 60-90 mm, the range of the length (b) of the opening in the direction parallel to the panel (5-2) is 60-160 mm, the range of the distance (c) from the wide edge of the opening to the short edge of the lower cross beam (5-4) is 10-140 mm, and the range of the distance from the long edge of the opening to the long edge of the cross beam (5-4) is 30-45 mm. When the shape of the opening is circular, the diameter of the opening
The range is 60 mm-90 mm, and the distance (e) between the center of the opening and the short side of the beam (5-4) is 40 mm-160 mm.
The sound absorption assembly is filled between the back plate (5-1) and the panel (5-2), the sound absorption assembly is divided into a middle sound absorption assembly and an end sound absorption assembly, the two end sound absorption assemblies are symmetrically arranged, the two middle sound absorption assemblies are symmetrically arranged and are respectively arranged in clamping grooves formed by the upper cross beam (5-3), the lower cross beam (5-4) and the three vertical beams. One side of the bottom edge of the end sound absorption assembly is cut and grooved to form a bolt and nut overhauling and maintaining space, the range of the distance (L1) between the initial position of the groove and the side edge is 0-140 mm, the range of the width (L1) of the groove is 60-360 mm, and the range of the height (H1) of the groove is 80-360 mm.
The decoupling rubber strips (5-6) play a role in sealing, damping and decoupling. The decoupling rubber strip is arranged on the lower portion of a lower cross beam (5-4) of a bottom unit plate (5) with an access hole, holes are formed in two ends of the decoupling rubber strip (5-6), and the positions and the sizes of the holes are consistent with those of the holes of the lower cross beam (5-4) when the decoupling rubber strip is overlooked from top to bottom. When the opening is rectangular, the width (a1) of the opening ranges from 60mm to 90mm, the length (b1) of the opening ranges from 60mm to 160mm, the distance (c1) from the edge of the opening to the short side of the decoupling adhesive tape (5-6) ranges from 10mm to 140mm, and the distance from the edge of the opening to the long side of the decoupling adhesive tape (5-6) ranges from 30mm to 45 mm. When the shape of the opening is circular, the diameter of the opening
The range is 60 mm-90 mm, and the range of the distance (e1) between the center of the opening and the short side of the decoupling rubber strip (5-6) is 40 mm-160 mm.
Preferably, the steel bottom plate (2) is provided with 4 nuts, namely a first nut (4-1), a second nut (4-2), a third nut (4-3) and a fourth nut (4-4); the first nut (4-1) and the second nut (4-2) are positioned on the outer sides, and the center position of a clamping groove of the H-shaped steel upright post (1) corresponds to the center position of a connecting line of the first nut (4-1) and the second nut (4-2); or the center of the clamping groove of the H-shaped steel upright post (1) is arranged in the area 15mm away from the connecting line of the parallel nut (4-1) and the nut (4-2).
Preferably, the two ends of the panel (5-2) corresponding to the positions of the first nut (4-1) and the second nut (4-2) are both windowed, the back plate (5-1) is kept complete, the first end sound absorption assembly (5-7-1) and the second end sound absorption assembly (5-7-2) are grooved, the two ends of the decoupling rubber strip (5-6) are both perforated, the position of the bottom unit plate (5) with the access hole corresponding to the first nut (4-1) and the second nut (4-2) forms an empty box, the empty box is encapsulated, and the nuts can be accessed from the windowing position of the panel (5-2).
Preferably, the lower parts of the left end and the right end of the panel (5-2) are both provided with windows, the windows are rectangular, the range of the width (L) of the windows is 60 mm-300 mm, the range of the height (H) of the windows is 60 mm-300 mm, the range of the distance (H) from the lower edge of the windows to the bottom edge of the panel (5-2) is 10 mm-60 mm, and the range of the distance (L) from the vertical edge of the windows to the side surface of the panel (5-2) is 10 mm-140 mm.
Preferably, both ends of a lower cross beam (5-4) of the bottom unit plate (5) with the access hole are provided with holes, and the holes are rectangular or circular. When the hole is rectangular, the width (a) of the hole perpendicular to the direction of the panel (5-2) ranges from 60mm to 90mm, the length (b) of the hole parallel to the direction of the panel (5-2) ranges from 60mm to 160mm, the distance (c) from the wide edge of the hole to the short edge of the lower beam (5-4) ranges from 10mm to 140mm, and the distance from the long edge of the hole to the long edge of the beam (5-4) ranges from 30mm to 45 mm. When the shape of the opening is circular, the diameter of the opening
The range is 60 mm-90 mm, and the distance (e) between the center of the opening and the short side of the beam (5-4) is 40 mm-160 mm.
Preferably, a sound absorption assembly is filled between the back plate (5-1) and the panel (5-2), and the sound absorption assembly is divided into a middle sound absorption assembly and an end sound absorption assembly which are symmetrically arranged and respectively arranged in a clamping groove formed by the upper cross beam (5-3), the lower cross beam (5-4) and the vertical beam. One side of the bottom edge of the end sound absorption assembly is cut and grooved, the distance (L1) between the starting position of the groove and the side edge ranges from 0mm to 140mm, the groove width (L1) ranges from 60mm to 360mm, and the groove height (H1) ranges from 80mm to 360 mm.
Preferably, the decoupling rubber strips (5-6) play a role in sealing, damping and decoupling. The decoupling rubber strip is arranged on the lower portion of a lower cross beam (5-4) of a bottom unit plate (5) with an access hole, holes are formed in two ends of the decoupling rubber strip (5-6), and the positions and the sizes of the holes are consistent with those of the holes of the lower cross beam (5-4) when the decoupling rubber strip is overlooked from top to bottom. When the opening is rectangular, the width (a1) of the opening ranges from 60mm to 90mm, the length (b1) of the opening ranges from 60mm to 160mm, the distance (c1) from the edge of the opening to the short side of the decoupling adhesive tape (5-6) ranges from 10mm to 140mm, and the distance from the edge of the opening to the long side of the decoupling adhesive tape (5-6) ranges from 30mm to 45 mm. When the shape of the opening is circular, the diameter of the opening
The range is 60 mm-90 mm, and the range of the distance (e1) between the center of the opening and the short side of the decoupling rubber strip (5-6) is 40 mm-160 mm.
The invention has the advantages that:
the invention relates to a railway metal sound barrier system with access holes, which consists of steel upright columns (comprising H-shaped steel upright columns, a steel bottom plate, a stiffening plate, nuts and the like) and sound barrier unit plates with access holes matched with the steel upright columns, solves the problem of bolt and nut access outside the steel upright columns, does not influence the noise reduction effect, and has better stress condition.
The H-shaped steel upright posts are welded at the corresponding positions of bolts and nuts on one side of the steel bottom plate and used for socket joint of the unit plates, and the stress condition is good. The bottom cell plate with the access hole is arranged in the clamping groove of the H-shaped steel stand column, and the bolt and the nut penetrate through the lower cross beam of the cell plate with the access hole and the opening of the decoupling adhesive tape and are located in the position of an empty box inside the bottom cell plate with the access hole. The panel is windowed, the backplate remains intact, and tip sound absorption subassembly fluting, decoupling zero adhesive tape trompil, bolt and nut are located the visual scope of window, possess bolt and nut and overhaul the condition.
The slotted area of the end sound absorption assembly is small, the empty box is encapsulated, the end sound absorption assembly is supported, the sound insulation effect is enhanced, and the noise reduction effect of the unit plate is basically not influenced.
The invention is further illustrated by the following figures and detailed description of the invention, which are not meant to limit the scope of the invention.
Drawings
FIG. 1 is a schematic side sectional view of the overall installation structure of a railway metallic sound barrier system with a manhole according to the present invention.
FIG. 2 is a schematic top view of the steel upright and steel base plate position of a railway metal sound barrier system with access holes of the present invention.
Fig. 3 is a schematic top sectional view of the overall installation structure of a railway metallic sound barrier system with a manhole according to the present invention.
FIG. 4 is a schematic view of a windowed front view of a bottom cell plate with access holes of a railway metallic sound barrier system with access holes of the present invention.
FIG. 5 is a schematic view of a rectangular hole formed in a lower beam of the railway metal sound barrier system with an access hole of the present invention.
FIG. 6 is a schematic view of a lower beam with a round hole of the railway metal sound barrier system with a manhole according to the present invention.
FIG. 7 is a schematic view of the notching of the end sound absorbing assembly of a railroad metal sound barrier system with access holes of the present invention.
FIG. 8 is a schematic view of a rectangular hole formed in a decoupling rubber strip of the railway metal sound barrier system with an access hole.
FIG. 9 is a schematic view of a decoupling rubber strip opening circular hole of the railway metal sound barrier system with an access hole of the invention.
FIG. 10 is a schematic side view of the installation of the decoupling adhesive strips of the bottom manhole unit plate of the railway metal noise barrier system with a manhole according to the present invention.
Fig. 11 is a schematic view of the installation of a bottom access panel of a railway metallic sound barrier system with access holes in accordance with the present invention in elevation.
Description of the main reference numerals:
1H-shaped steel upright post 2 steel bottom plate
3 stiffening plate 4 nut
5 bottom unit plate with access hole 6 upper unit plate
4-1 first nut 4-2 second nut
4-3 third nut 4-4 fourth nut
5-1 backboard 5-2 panel
5-3 upper cross beam and 5-4 lower cross beam
5-5-1 first vertical beam 5-5-2 second vertical beam
5-5-3 third vertical beam 5-6 decoupling rubber strip
5-7-1 first end sound absorbing assembly 5-7-2 second end sound absorbing assembly
5-8-1 first middle sound absorbing assembly 5-8-2 second middle sound absorbing assembly
5-9-1 first empty box 5-9-2 second empty box
Detailed Description
Fig. 1 is a schematic side sectional view of the overall installation structure of a railway metal sound barrier system with a manhole according to the present invention. The structure comprises a base plate, a plurality of H-shaped steel columns, a plurality of reinforcing plates, nuts, a plurality of bottom unit plates and upper unit plates, wherein the base plate is 1, the steel bottom plate is 2, the reinforcing plates are 3, the nuts are 4, the bottom unit plates are 5, the bottom unit plates are provided with access holes, and the upper unit plates are 6. The H-shaped steel upright posts (1) are welded on one side of the steel bottom plate (2) and used for inserting the unit plates; the stiffening plate (3) is vertically welded and fixed with the H-shaped steel upright post (1) and the steel bottom plate (2); the nut (4) is used for fixing the steel bottom plate (2); the bottom unit plate (5) with the access hole is arranged in a clamping groove of the H-shaped steel upright post (1), and the upper unit plate (6) is arranged on the upper portion of the bottom unit plate (5) with the access hole and is inserted into the clamping groove of the H-shaped steel upright post (1).
Fig. 2 is a schematic top view showing the positions of a steel upright post and a steel bottom plate of a railway metal sound barrier system with an access hole. The steel column structure comprises a steel column 1, a steel base plate 2, a stiffening plate 3, a first nut 4-1, a second nut 4-2, a third nut 4-3 and a fourth nut 4-4. The H-shaped steel upright posts (1) are welded on the steel bottom plate (2) and used for inserting the unit plates. 4 nuts, namely a first nut (4-1), a second nut (4-2), a third nut (4-3) and a fourth nut (4-4), are arranged on the steel bottom plate (2); the first nut (4-1) and the second nut (4-2) are positioned on the outer sides, and the center position of a clamping groove of the H-shaped steel upright post (1) corresponds to the center position of a connecting line of the first nut (4-1) and the second nut (4-2); or the center of the clamping groove of the H-shaped steel upright post (1) is arranged in an area 15mm away from the connecting line of the parallel nut (4-1) and the nut (4-2); the stiffening plate (3) is vertically welded and fixed with the H-shaped steel upright post (1) and the steel bottom plate (2).
Fig. 3 is a schematic top sectional view of the overall installation structure of a railway metal sound barrier system with a manhole according to the present invention. The sound absorption structure comprises a base plate, a reinforcing plate, a first end part, a second middle part, a second end part, a first middle part, a second middle part, a third end part, a fourth end part, a second end part, a first end part, a second end part, a third end part, a fourth end part, a second end part, a first end part, a second end part, a fourth end part. 4 nuts, namely a first nut (4-1), a second nut (4-2), a third nut (4-3) and a fourth nut (4-4), are arranged on the steel bottom plate (2); the first nut (4-1) and the second nut (4-2) are positioned on the outer sides, and the center position of a clamping groove of the H-shaped steel upright post (1) corresponds to the center position of a connecting line of the first nut (4-1) and the second nut (4-2); or the center of the clamping groove of the H-shaped steel upright post (1) is arranged in an area 15mm away from the connecting line of the parallel nut (4-1) and the nut (4-2); the stiffening plate (3) is vertically welded and fixed with the H-shaped steel upright post (1) and the steel bottom plate (2); the bottom unit plate with the access hole is arranged in a clamping groove of the H-shaped steel upright post (1); the panel (5-2) is close to the two sides of the H-shaped steel upright post (1) and is windowed, and the back plate (5-1) is kept complete; a sound absorption assembly is arranged between the back plate (5-1) and the panel (5-2), comprises a first middle sound absorption assembly (5-8-1), a second middle sound absorption assembly (5-8-2), a first end sound absorption assembly (5-7-1) and a second end sound absorption assembly (5-7-2), and is symmetrically arranged and respectively arranged in a clamping groove formed by the upper cross beam (5-3), the lower cross beam (5-4), the first vertical beam (5-5-1), the second vertical beam (5-5-2) and the third vertical beam (5-5-3); both ends of the decoupling rubber strip and the lower beam (5-4) are provided with holes. The first end sound absorption assembly (5-7-1) and the second end sound absorption assembly (5-7-2) are both provided with grooves, a first empty box (5-9-1) and a second empty box (5-9-2) are formed at positions corresponding to the nuts, and the empty boxes are encapsulated. The encapsulating material may be selected to be the same metal material as the face plate or the back plate.
As shown in fig. 4, is a schematic view of a windowing front view of a bottom unit plate with a manhole of a railway metal sound barrier system with a manhole of the present invention. Wherein, 5-2 is a panel, 5-5-1 is a first vertical beam, 5-5-2 is a second vertical beam, 5-5-3 is a third vertical beam, and 5-9-1 is an empty box. The lower parts of the left end and the right end of the panel (5-2) are both opened with a rectangular shape, the range of the opening width (L) is 60 mm-300 mm, the range of the window height (H) is 60 mm-300 mm, the range of the distance (H) from the lower edge of the window to the bottom edge of the panel (5-2) is 10 mm-60 mm, and the range of the distance (L) from the vertical edge of the window to the side surface of the panel (5-2) is 10 mm-140 mm.
As shown in FIG. 5, it is a schematic view of a rectangular hole formed in a lower beam of the railway metal sound barrier system with an access hole of the present invention. Wherein, 5-1 is a back plate, 5-2 is a panel, and 5-4 is a lower beam. The lower cross beam (5-4) is provided with holes at two ends, when the holes are rectangular, the width (a) of the holes in the direction perpendicular to the panel (5-2) ranges from 60mm to 90mm, the length (b) of the holes in the direction parallel to the panel (5-2) ranges from 60mm to 160mm, the distance (c) from the wide edge of the hole to the short edge of the lower cross beam (5-4) ranges from 10mm to 140mm, and the distance from the long edge of the hole to the long edge of the cross beam (5-4) ranges from 30mm to 45 mm.
Fig. 6 is a schematic view of a circular hole formed in the lower cross beam of the railway metal sound barrier system with the manhole. Wherein, 5-1 is a back plate, 5-2 is a panel, and 5-4 is a lower beam. The two ends of the lower beam (5-4) are provided with holes, and when the holes are circular, the diameters of the holes are larger
The range is 60 mm-90 mm, and the distance (e) between the center of the opening and the short side of the beam (5-4) is 40 mm-160 mm.
Fig. 7 is a schematic view of the grooving of the end sound absorption assembly of the railway metal sound barrier system with the manhole according to the present invention. The bottom side of the end sound absorption assembly is cut and grooved, the distance (L1) between the starting position of the groove and the side is 0-140 mm, the width (L1) of the groove is 60-360 mm, and the height (H1) of the groove is 80-360 mm.
As shown in FIG. 8, the schematic view of the decoupling rubber strip with rectangular holes of the railway metal sound barrier system with the access hole is shown. Wherein, 5-6 are decoupling adhesive tapes. Both ends of the decoupling adhesive tape (5-6) are provided with holes, when the holes are rectangular, the width (a1) of each hole ranges from 60mm to 90mm, the length (b1) of each hole ranges from 60mm to 160mm, the distance (c1) from the edge of each hole to the short side of the decoupling adhesive tape (5-6) ranges from 10mm to 140mm, and the distance from the edge of each hole to the long side of the decoupling adhesive tape (5-6) ranges from 30mm to 45 mm.
Fig. 9 is a schematic view of a decoupling rubber strip with a round hole of the railway metal sound barrier system with an access hole of the invention. Wherein, 5-6 are decoupling adhesive tapes. Both ends of the decoupling adhesive tape (5-6) are provided with holes, and when the shape of the holes is circular, the diameter of the holes is larger
The range is 60 mm-90 mm, and the range of the distance (e1) between the center of the opening and the short side of the decoupling rubber strip (5-6) is 40 mm-160 mm.
Fig. 10 is a schematic side view of the installation of the decoupling adhesive tape of the bottom unit plate with the manhole of the railway metal sound barrier system with the manhole. 5-1 is a back plate, 5-2 is a panel, 5-3 is an upper beam, 5-4 is a lower beam, and 5-6 is a decoupling adhesive tape. The panel (5-2) is windowed, the back plate (5-1) is kept complete, the end sound absorption assembly is grooved, and the upper cross beam (5-3) is kept complete. The decoupling rubber strips (5-6) are arranged on the lower portion of a lower cross beam (5-4) of the bottom unit plate (5) with the access hole, holes are formed in the two ends of the lower cross beam (5-4) and the decoupling rubber strips (5-6), and when the decoupling rubber strips (5-6) are seen from the top, the positions and the sizes of the holes of the lower cross beam (5-4) are consistent.
As shown in FIG. 11, the installation of the bottom unit plate with the manhole of the railway metal sound barrier system with the manhole of the invention is a schematic front view. 1 is an H-shaped steel upright column, 2 is a steel bottom plate, 3 is a stiffening plate, 4-1 is a first nut, 4-2 is a second nut, 5-2 is a panel, 5-6 is a decoupling rubber strip, 5-9-1 is a first empty box, and 5-9-2 is a second empty box. The H-shaped steel upright posts (1) are welded on the steel base plate (2) at the positions corresponding to the first nuts (4-1) and the second nuts (4-2); the stiffening plate (3) is vertically welded and fixed with the H-shaped steel upright post (1) and the steel bottom plate (2); the bottom unit plate with the access hole is arranged in a clamping groove of the H-shaped steel upright post (1), the two sides of the panel (5-2) close to the H-shaped steel upright post (1) are windowed, and the back plate is kept complete; the end sound absorption assembly is grooved, holes are formed in two ends of a decoupling rubber strip (5-6), holes are formed in two ends of a lower cross beam, a first empty box (5-9-1) and a second empty box (5-9-2) are formed in the positions, corresponding to nuts, of the inner portion of the bottom unit plate with the access holes, the empty boxes are encapsulated, and an access space is provided for bolts on the outer side of the steel bottom plate. The encapsulating material may be selected to be the same metal material as the face plate or the back plate.
The invention relates to a railway metal sound barrier system with access holes, which consists of steel upright columns (comprising H-shaped steel upright columns, a steel bottom plate, a stiffening plate, nuts and the like) and sound barrier unit plates with access holes matched with the steel upright columns, solves the problem of bolt and nut access outside the steel upright columns, does not influence the noise reduction effect, and has better stress condition.
The H-shaped steel upright column is welded at the corresponding position of the bolt and the nut on one side of the steel bottom plate, is used for inserting the unit plate and has better stress condition.
The bottom unit plate with the access hole is arranged in the clamping groove of the H-shaped steel upright post, and the bolt and the nut penetrate through the lower cross beam of the unit plate with the access hole and the opening of the decoupling rubber strip and are positioned at the position of an empty box inside the bottom unit plate with the access hole. The panel is windowed, the end sound absorption assembly is grooved, the bolt and the nut are positioned in the visible range of the window, and the bolt and nut overhauling conditions are met.
The end sound absorption assembly has a small slotted area, the empty box is encapsulated, the end sound absorption assembly is supported, the sound insulation effect is enhanced, and the noise reduction effect of the unit plate is basically not influenced.
Claims (4)
1. The utility model provides a take railway metal sound barrier system of access hole which characterized in that: comprises an H-shaped steel upright post (1), a steel bottom plate (2), a stiffening plate (3), a bottom unit plate (5) with an access hole and an upper unit plate (6);
the H-shaped steel upright posts (1) are welded on the steel base plate (2), and 4 nuts, namely a first nut (4-1), a second nut (4-2), a third nut (4-3) and a fourth nut (4-4), are arranged on the steel base plate (2); the first nut (4-1) and the second nut (4-2) are positioned on the outer sides, and the center position of a clamping groove of the H-shaped steel upright post (1) corresponds to the center position of a connecting line of the first nut (4-1) and the second nut (4-2);
or the center of the clamping groove of the H-shaped steel upright post (1) is arranged in an area 15mm away from the connecting line of the parallel nut (4-1) and the nut (4-2);
the stiffening plate (3) is vertically welded and fixed with the H-shaped steel upright post (1) and the steel bottom plate (2); the bottom unit plate (5) with the access hole and the upper unit plate (6) are sequentially arranged on the H-shaped steel upright post (1).
2. The railroad metal sound barrier system with access hole of claim 1, characterized in that: the bottom unit plate (5) with the access hole comprises a back plate (5-1), a panel (5-2), an upper cross beam (5-3), a lower cross beam (5-4), two end sound absorption assemblies and two middle sound absorption assemblies;
the lower parts of the left end and the right end of the panel (5-2) are both opened with rectangular shape, the range of the width (L) of the opened window is 60 mm-300 mm, the range of the height (H) of the window is 60 mm-300 mm, the range of the distance (H) from the lower edge of the window to the bottom edge of the panel (5-2) is 10 mm-60 mm, and the range of the distance (L) from the vertical edge of the window to the side surface of the panel (5-2) is 10 mm-140 mm;
both ends of a lower cross beam (5-4) of the bottom unit plate (5) with the access hole are provided with holes, and the holes are rectangular or circular; when the hole is rectangular, the range of the width (a) of the hole perpendicular to the direction of the panel (5-2) is 60-90 mm, the length (b) of the hole parallel to the direction of the panel (5-2) is 60-160 mm, the range of the distance (c) from the wide edge of the hole to the short edge of the lower cross beam (5-4) is 10-140 mm, and the range of the distance from the long edge of the hole to the long edge of the cross beam (5-4) is 30-45 mm; when the opening is circular, the diameter (phi) of the opening ranges from 60mm to 90mm, and the distance (e) between the center of the opening and the short side of the cross beam (5-4) ranges from 40mm to 160 mm;
sound absorption components are filled between the back plate (5-1) and the face plate (5-2), and each sound absorption component comprises two middle sound absorption components and two end sound absorption components; the two end sound absorption assemblies are symmetrically arranged, the two middle sound absorption assemblies are symmetrically arranged and are arranged in a clamping groove formed by the upper cross beam (5-3), the lower cross beam (5-4) and the three vertical beams; one side of the bottom edge of the end sound absorption assembly is cut and grooved, the distance (L1) between the starting position of the groove and the side edge ranges from 0mm to 140mm, the groove width (L1) ranges from 60mm to 360mm, and the groove height (H1) ranges from 80mm to 360 mm.
3. The railroad metal sound barrier system with access hole of claim 1, characterized in that: the decoupling rubber strips (5-6) are arranged at the lower parts of the lower cross beams (5-4) of the bottom unit plate (5) with the access hole;
holes are formed in both ends of the decoupling rubber strips (5-6), and the positions and the sizes of the holes are consistent with those of the holes of the lower cross beams (5-4) when the bottom unit plate (5) with the access hole is overlooked; when the opening is rectangular, the width (a1) of the opening ranges from 60mm to 90mm, the length (b1) of the opening ranges from 60mm to 160mm, the distance (c1) from the edge of the opening to the short side of the decoupling adhesive tape (5-6) ranges from 10mm to 140mm, and the distance from the edge of the opening to the long side of the decoupling adhesive tape (5-6) ranges from 30mm to 45 mm; when the opening is circular, the diameter (phi 1) of the opening ranges from 60mm to 90mm, and the distance (e1) between the center of the opening and the short side of the decoupling rubber strip (5-6) ranges from 40mm to 160 mm.
4. The railroad metal sound barrier system with access hole of claim 1, characterized in that: the two ends of a panel (5-2) of a bottom unit plate (5) with an access hole are both provided with windows, the positions of the windows correspond to the positions of a first nut (4-1) and a second nut (4-2), a back plate (5-1) is kept complete, an end sound absorption assembly is grooved, the two ends of a decoupling adhesive tape are both provided with holes, the positions of the inside of the bottom unit plate (5) with the access hole corresponding to the first nut (4-1) and the second nut (4-2) form empty boxes, and the empty boxes are encapsulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347969.1A CN111622141A (en) | 2020-04-28 | 2020-04-28 | Railway metal sound barrier system with access hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010347969.1A CN111622141A (en) | 2020-04-28 | 2020-04-28 | Railway metal sound barrier system with access hole |
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| CN111622141A true CN111622141A (en) | 2020-09-04 |
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| CN202010347969.1A Pending CN111622141A (en) | 2020-04-28 | 2020-04-28 | Railway metal sound barrier system with access hole |
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