Sightseeing sound barrier for bridge

Abstract

The sightseeing sound barrier for the bridge comprises a plurality of stand columns and a plurality of barrier units, each stand column is provided with a fixing portion and an installation portion, each fixing portion is provided with a fixing wing plate, each installation portion is provided with a main body section and a bending section, and the fixing wing plates are fixedly installed on a bridge guardrail through bolts. Each barrier unit comprises a shielding sound insulation board, a sightseeing sound insulation board, a first sound absorption board and a second sound absorption board, the shielding sound insulation board, the sightseeing sound insulation board and the first sound absorption board are sequentially connected in a clamped mode from bottom to top and embedded in the main body section, the second sound absorption board is embedded in the bent section, a first included angle is formed between the main body section and the bent section, and the angle of the first included angle is 156 degrees. By arranging the unique rear cover plate and the clamping block, the barrier unit is easier to install and operate, the installation effect is more stable, the sightseeing sound insulation plate is arranged in the middle of the barrier unit, passengers can conveniently appreciate scenery on the two sides of a bridge through the sightseeing sound insulation plate, light can conveniently penetrate through the sightseeing sound insulation plate, the daylighting effect of the barrier is improved, and the sightseeing performance is high.

Description

Technical Field

[0001] The utility model relates to the technical field of noise control, in particular to a visible sightseeing sound barrier for bridges. Background Art

[0002] The sound barrier is also called a soundproof screen or a soundproof barrier. It is mainly divided into types such as bridge sound barriers, equipment noise attenuation sound barriers, and industrial plant boundary noise sound barriers. Among them, the bridge sound barrier is a wall-type structure set on both sides of the bridge to reduce the impact of traffic noise on nearby residents. Patent application number: 202020344505.0, named a utility model patent document of a road bridge sound barrier, discloses a barrier, including a barrier, a hexagonal shell, a rotating rod, a threaded rod and a locking rod; a bearing is arranged on the top of the barrier, and the bearing is arranged in two groups, the inner part of the bearing is connected with the inner hexagonal shell, the bottom of the inner hexagonal shell is located inside the barrier, and the inner part of the barrier is provided with a rotating rod, the bottom of the inner hexagonal shell is provided with a first conical tooth, and the middle part of the rotating rod is provided with a second conical tooth; threaded rods are fixed at both ends of the rotating rod, and the threaded rod is located inside the thread groove, the thread groove is opened on one side of the locking rod, and rod grooves are opened on both sides of the barrier, the locking rod is located inside the rod groove, the end of the locking rod is inserted into the inside of the locking groove, and the locking groove is opened at the inner wall of the barrier shell. However, the barrier has the problems of complex structure, great difficulty in processing, high processing cost and complicated installation method. In order to solve the above problems, it is necessary to develop a new type of visible sightseeing and sound barrier for bridges. Utility Model Content

[0003] The utility model aims to provide a visible sightseeing and sound barrier for a bridge.

[0004] According to one aspect of the utility model, a visible sound barrier for a bridge is provided, comprising a plurality of columns and a plurality of barrier units, the columns being provided with a fixing portion and a mounting portion, the fixing portion being provided with a fixing wing plate, the mounting portion being provided with a main section and a bending section, the fixing wing plate being fixedly mounted on a bridge guardrail by bolts, the barrier unit comprising a shielding sound insulation board, a sightseeing sound insulation board, a first sound absorbing board and a second sound absorbing board, the shielding sound insulation board, the sightseeing sound insulation board and the first sound absorbing board being sequentially connected by snapping from bottom to top and embedded in the main section, the second sound absorbing board being embedded in the bending section, a first angle being provided between the main section and the bending section, and the angle of the first angle being 156°.

[0005] In some embodiments, the barrier unit further includes a rear cover plate, which is provided with a first hanging arm, a second hanging arm and a support arm, wherein both ends of the support arm are respectively connected to the first hanging arm and the second hanging arm, the first hanging arm is clamped and connected to the first sound absorbing panel, and the second hanging arm is clamped and connected to the second sound absorbing panel.

[0006] In some embodiments, the first sound absorbing board has a first groove on the top and a first protrusion on the bottom, the second sound absorbing board has a second groove on the bottom, the first hanging arm is clamped in the first groove, and the second hanging arm is clamped in the second groove.

[0007] In some embodiments, the barrier unit also includes a card block, which is provided with a first card slot and a second card slot, the center line of the first card slot is on the same straight line as the center line of the second card slot, the opening direction of the first card slot is opposite to the opening direction of the second card slot, and the width of the first card slot is smaller than the width of the second card slot.

[0008] In some embodiments, there are two clamping blocks, and the two ends of the sightseeing sound insulation board are respectively clamped with the first sound absorbing board and the shielding sound insulation board through the two clamping blocks. The two ends of the sightseeing sound insulation board are respectively clamped in the first clamping grooves of the two clamping blocks, and the first protrusion of the first sound absorbing board and one end of the shielding sound insulation board are respectively clamped in the second clamping grooves of the two clamping blocks.

[0009] In some embodiments, the first sound absorbing panel and the second sound absorbing panel are both provided with a first core material and a first panel, the first panel is fixedly mounted on the front side of the first core material, the first panel is provided with louver-type through holes and a coating, the thickness of the coating is not less than 40 μm, the height of the first sound absorbing panel is 310 mm, and the height of the second sound absorbing panel is 510 mm.

[0010] In some embodiments, the shielding sound insulation board is provided with a second core material, a top keel and a second panel, the top keel is fixedly installed on the top of the second core material, the second panel is fixedly installed on the front of the second core material, the top keel is provided with a second protrusion, the second protrusion is clamped in the second slot of the clamping block, and the height of the shielding sound insulation board is 310 mm.

[0011] In some embodiments, the first core material and the second core material are both recycled fiber honeycomb cores, with a thickness of 79 mm, a fire resistance grade of B1, a water absorption rate of ≤5%, and a peel strength of ≥40 (N.mm) / mm.

[0012] In some embodiments, the sightseeing sound insulation board includes a frame, an outer glass layer, a glue layer and an inner glass layer. The frame includes four profile keels, L-corners and a sealing strip. The glue layer is respectively bonded to the outer glass layer and the inner glass layer. The outer glass layer, the glue layer and the inner glass layer are embedded in the frame. The sealing strip is located between the profile keel and the outer glass layer and the inner glass layer. The L-corners fix the four profile keels. The thickness of the glue layer is 1.52 mm, and the material thereof is PVB high molecular polymer. The height of the sightseeing sound insulation board is 890 mm.

[0013] In some embodiments, the utility model further comprises a plurality of shock-absorbing pads, which are embedded between the column and the barrier unit, one side of the plurality of shock-absorbing pads abuts against the inner wall of the column, and the other side respectively abuts against the shielding sound insulation board, the sightseeing sound insulation board, the first sound absorbing board and the second sound absorbing board, and the thickness of the shock-absorbing pads is 30 mm.

[0014] Beneficial effects of the utility model: The utility model makes the installation operation of the barrier unit simpler and the installation effect more stable by setting a rear cover plate and a card block with a unique structure; by setting a sightseeing sound insulation board in the middle of the barrier unit, it is convenient for passengers to appreciate the scenery on both sides of the bridge through the sightseeing sound insulation board, which is convenient for light to pass through, improves the lighting effect of the barrier, and has strong sightseeing. The utility model has the advantages of reasonable structure setting, simple installation, low processing cost, good stability, good safety, good sound insulation and sound absorption effect, and has strong wind pressure resistance. At a wind pressure of ±5.0kPa, the maximum deflection is less than or equal to 7.2mm, and the maximum residual deformation is less than or equal to 1mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a visible sound barrier for a bridge in one embodiment of the utility model.

[0016] Figure 2 for Figure 1 A partial enlarged view of part B.

[0017] Figure 3 for Figure 1 A partial enlarged view of part C.

[0018] Figure 4 for Figure 1 A partial enlarged view of part D.

[0019] Figure 5 This is a front view of a visible sound barrier for a bridge in one embodiment of the utility model.

[0020] Figure 6 The present invention is a schematic structural diagram of a column of a visible sound barrier for a bridge according to one embodiment of the present invention.

[0021] Figure 7 The utility model is an embodiment of a left view of a column of a visible sound barrier for a bridge.

[0022] Figure 8 The figure is a schematic structural diagram of a rear cover plate according to an embodiment of the utility model.

[0023] Fig. 9 It is a structural schematic diagram of a clamping plate according to an embodiment of the utility model.

[0024] Fig.10The present invention is a schematic structural diagram of a transparent sound insulation board according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the embodiments.

[0026] refer to Figures 1 to 10 The utility model provides a visible sound barrier for a bridge, comprising a plurality of columns 1, a plurality of barrier units 2 and a plurality of shock-absorbing pads 3.

[0027] The column 1 is provided with a fixing portion 11 and a mounting portion 12. The fixing portion 11 is provided with a fixing wing plate 111. The fixing wing plate 111 is provided with a fixing hole 112 and is fixedly mounted on the bridge guardrail 4 by bolts 5. The mounting portion 12 is provided with a main section 121 and a bending section 122. A first angle A is provided between the main section 121 and the bending section 122. The angle of the first angle A is 156°.

[0028] The barrier unit 2 includes a shielding sound insulation board 21, a sightseeing sound insulation board 22, a first sound absorbing board 23, a second sound absorbing board 24, a rear cover 25 and two clamps 26. The shielding sound insulation board 21, the clamp 26, the sightseeing sound insulation board 22, the clamp 26 and the first sound absorbing board 23 are sequentially clamped and connected from bottom to top, and embedded in the main section 121, and the rear cover 25 and the second sound absorbing board 24 are embedded in the bending section 122. The angle between the main section 121 and the bending section 122 is 156°, so that the angle between the first sound absorbing board and the second sound absorbing board embedded therein is also 156°, which facilitates the second sound absorbing board to absorb the noise diffused in the vertical direction and improve the shielding effect of the noise.

[0029] The first sound absorbing board 23 has a first groove 231 at the top and a first protrusion 232 at the bottom. The second sound absorbing board 24 has a second groove 241 at the bottom. The first sound absorbing board 23 and the second sound absorbing board 24 are both provided with a first core material 233 and a first panel 234, and the first panel 234 is fixedly mounted on the front of the first core material 233. The first panel 234 is provided with a louver-type through hole 235 and a coating, and the thickness of the coating is not less than 40 μm. The height of the first sound absorbing board 23 is 310 mm, and the height of the second sound absorbing board 24 is 510 mm.

[0030] The rear cover 25 is provided with a first hanging arm 251, a second hanging arm 252 and a support arm 253, and both ends of the support arm 253 are respectively connected to the first hanging arm 251 and the second hanging arm 252. The first hanging arm 251 is connected to the first groove 231 of the first sound absorbing plate 23 by snapping, and the second hanging arm 252 is connected to the second groove 241 of the second sound absorbing plate 24 by snapping.

[0031] The block 26 is provided with a first slot 261 and a second slot 262 , the center line of the first slot 261 and the center line of the second slot 262 are in the same straight line, the opening direction of the first slot 261 is opposite to the opening direction of the second slot 262 , and the width of the first slot 261 is smaller than the width of the second slot 262 .

[0032] The sound insulation board 21 is provided with a second core material 211, a top keel 212 and a second panel 213. The top keel 212 is fixedly installed on the top of the second core material 211, and the second panel 213 is fixedly installed on the front of the second core material 211. The top keel 212 is provided with a second protrusion 214. The height of the sound insulation board 21 is 310 mm.

[0033] The two ends of the sightseeing sound insulation board 22 are respectively connected with the first sound absorbing board 23 and the shielding sound insulation board 21 through two clamping blocks 26. The two ends of the sightseeing sound insulation board 22 are respectively clamped in the first clamping grooves 261 of the two clamping blocks 26, and the first protrusion 232 of the first sound absorbing board 23 and the second protrusion 214 of the shielding sound insulation board 21 are respectively clamped in the second clamping grooves 262 of the two clamping blocks 26.

[0034] The first core material 233 and the second core material 211 are both recycled fiber honeycomb cores, with a thickness of 79 mm, a fire resistance grade of B1, a water absorption rate of ≤5%, and a peel strength of ≥40 (N.mm) / mm, and have excellent sound insulation and sound absorption effects.

[0035] The sightseeing sound insulation board 22 includes a frame 224, an outer glass layer 221, a glue layer 222 and an inner glass layer 223. The glue layer 222 is respectively bonded to the outer glass layer 221 and the inner glass layer 223. The outer glass layer 221, the glue layer 222 and the inner glass layer 223 are embedded in the frame 224. The frame 224 includes four profile keels, L corners and a sealing strip 225. The L corners fix the four profile keels to form the main body of the frame 224. The sealing strip 225 is located between the profile keel and the outer glass layer 221 and the inner glass layer 223, and is used to seal the gap between the profile keel and the outer glass layer 221 and the inner glass layer 223. The thickness of the glue layer 222 is 1.52 mm, and its material is PVB polymer. The height of the sightseeing sound insulation board 22 is 890 mm.

[0036] A plurality of shock-absorbing pads 3 are embedded between the column 1 and the barrier unit 2. One side of the plurality of shock-absorbing pads 3 abuts against the inner wall of the column 1, and the other side abuts against the shielding sound insulation board 21, the sightseeing sound insulation board 22, the first sound absorbing board 23 and the second sound absorbing board 24. The shock-absorbing pad 3 is a 30mm thick PU shock-absorbing pad with good buffering and shock-absorbing effect, and is used to fill the gap between the barrier unit 2 and the column 1 to reduce the vibration of the barrier unit.

[0037] During installation, the utility model uses bolts 5 to pass through the fixing holes 112 of the fixing wing plates 111 to fix the fixing portion 11 of the column 1 on the bridge guardrail. The left and right ends of the sound-shielding board 21 are embedded in the main body section 121 between two adjacent columns 1, and the bottom of the sound-shielding board 21 abuts against the fixing portion 1 of the column 1. A block 26 is installed above the top keel 212 of the sound-shielding board 21, and the first slot 261 of the block 26 is clamped with the second protrusion 214 of the sound-shielding board 21. The bottom end of the sightseeing sound-shielding board 22 is clamped in the second slot 262 of the block 26. Another block 26 is installed above the sightseeing sound-shielding board 22, and the top end of the sightseeing sound-shielding board 22 is clamped in the second slot 262 of the other block 26. The first sound-absorbing board 23 is installed above the other block 26, and the first protrusion 232 at the bottom is clamped in the first slot 261 of the other block 26. The second sound absorbing panel 24 is embedded in the bending section 122, and the rear cover 25 is clamped between the first sound absorbing panel 23 and the second sound absorbing panel 24, so that the first hanging arm 251 is clamped in the first groove 231 of the first sound absorbing panel 23, and the second hanging arm 252 is clamped in the second groove 241 of the second sound absorbing panel 24. The rear cover 25 is used to support the second sound absorbing panel 24, so as to facilitate supporting the second sound absorbing panel 24. The first panels 234 of the first sound absorbing panel 23 and the second sound absorbing panel 24 both face the vehicles traveling on the bridge, and the louver-type through holes 235 face the vehicles, so as to better absorb the noise emitted by the vehicles traveling on the bridge.

[0038] When the barrier unit 2 is embedded in the column 1, a plurality of shock-absorbing rubber pads 3 are embedded between the shielding sound insulation board 21, the sightseeing sound insulation board 22, the first sound absorbing board 23, the second sound absorbing board 24 and the column 1 to fill the gap between the barrier unit 2 and the column 1, reduce the vibration of the barrier unit 2 in the column 1, and maintain stability.

[0039] The above are only some embodiments of the present invention. For ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A visible sight and sound barrier for a bridge, characterized in that: The invention comprises a plurality of columns and a plurality of barrier units, wherein the columns are provided with a fixing portion and a mounting portion, the fixing portion is provided with a fixing wing plate, the mounting portion is provided with a main section and a bending section, the fixing wing plate is fixedly mounted on the bridge guardrail by bolts, the barrier unit comprises a shielding sound insulation board, a sightseeing sound insulation board, a first sound absorbing board and a second sound absorbing board, the shielding sound insulation board, the sightseeing sound insulation board and the first sound absorbing board are sequentially connected by snapping from bottom to top and embedded in the main section, the second sound absorbing board is embedded in the bending section, a first angle is provided between the main section and the bending section, and the angle of the first angle is 156°.

2. A visible light and sound barrier for a bridge according to claim 1, characterized in that: The barrier unit also includes a rear cover plate, which is provided with a first hanging arm, a second hanging arm and a support arm, the two ends of the support arm are respectively connected to the first hanging arm and the second hanging arm, the first hanging arm is clamped and connected to the first sound absorbing board, and the second hanging arm is clamped and connected to the second sound absorbing board.

3. A visible light and sound barrier for a bridge according to claim 2, characterized in that: The first sound absorbing board has a first groove on the top and a first protrusion on the bottom. The second sound absorbing board has a second groove on the bottom. The first hanging arm is clamped in the first groove and the second hanging arm is clamped in the second groove.

4. A visible light and sound barrier for a bridge according to claim 3, characterized in that: The barrier unit also includes a card block, which is provided with a first card slot and a second card slot, the center line of the first card slot and the center line of the second card slot are on the same straight line, the opening direction of the first card slot is opposite to the opening direction of the second card slot, and the width of the first card slot is smaller than the width of the second card slot.

5. The visible light and sound barrier for bridges according to claim 4, characterized in that: There are two clamping blocks, and the two ends of the sightseeing sound insulation board are respectively clamped with the first sound absorbing board and the shielding sound insulation board through the two clamping blocks. The two ends of the sightseeing sound insulation board are respectively clamped in the first clamping grooves of the two clamping blocks, and the first protrusion of the first sound absorbing board and one end of the shielding sound insulation board are respectively clamped in the second clamping grooves of the two clamping blocks.

6. The visible light and sound barrier for bridges according to claim 4, characterized in that: The first sound absorbing panel and the second sound absorbing panel are both provided with a first core material and a first panel, the first panel is fixedly mounted on the front side of the first core material, the first panel is provided with louver-type through holes and a coating, the thickness of the coating is not less than 40 μm, the height of the first sound absorbing panel is 310 mm, and the height of the second sound absorbing panel is 510 mm.

7. The visible light and sound barrier for bridges according to claim 6, characterized in that: The shielding sound insulation board is provided with a second core material, a top keel and a second panel, the top keel is fixedly installed on the top of the second core material, the second panel is fixedly installed on the front of the second core material, the top keel is provided with a second protrusion, and the second protrusion is clamped in the second slot of the clamping block. The height of the shielding sound insulation board is 310 mm.

8. The visible light and sound barrier for bridges according to claim 7, characterized in that: The first core material and the second core material are both reprocessed fiber honeycomb cores, with a thickness of 79 mm, a fire resistance grade of B1, a water absorption rate of ≤5%, and a peel strength of ≥40 (N.mm) / mm.

9. The visible light and sound barrier for bridges according to claim 1, characterized in that: The sightseeing sound insulation board comprises a frame, an outer glass layer, a glue layer and an inner glass layer. The frame comprises four profile keels, an L-corner and a sealing strip. The glue layer is respectively bonded to the outer glass layer and the inner glass layer. The outer glass layer, the glue layer and the inner glass layer are embedded in the frame. The sealing strip is located between the profile keel and the outer glass layer and the inner glass layer. The L-corner fixes and connects the four profile keels. The glue layer has a thickness of 1.52 mm and is made of PVB high molecular polymer. The height of the sightseeing sound insulation board is 890 mm.

10. The visible light and sound barrier for bridges according to claim 1, characterized in that: It also includes a plurality of shock-absorbing pads, which are embedded between the column and the barrier unit, one side of the plurality of shock-absorbing pads abuts against the inner wall of the column, and the other side respectively abuts against the shielding sound insulation board, the sightseeing sound insulation board, the first sound absorbing board and the second sound absorbing board, and the thickness of the shock-absorbing pads is 30 mm.

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