CN116289683A - Novel light totally-enclosed sound barrier for urban viaduct - Google Patents
Novel light totally-enclosed sound barrier for urban viaduct Download PDFInfo
- Publication number
- CN116289683A CN116289683A CN202310261366.3A CN202310261366A CN116289683A CN 116289683 A CN116289683 A CN 116289683A CN 202310261366 A CN202310261366 A CN 202310261366A CN 116289683 A CN116289683 A CN 116289683A
- Authority
- CN
- China
- Prior art keywords
- groups
- plate
- silica gel
- base
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004888 barrier function Effects 0.000 title claims abstract description 76
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000000741 silica gel Substances 0.000 claims abstract description 57
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 57
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 40
- 229910052782 aluminium Inorganic materials 0.000 claims description 40
- 238000004140 cleaning Methods 0.000 claims description 19
- 238000010030 laminating Methods 0.000 claims description 15
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 13
- 239000008397 galvanized steel Substances 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 241000646858 Salix arbusculoides Species 0.000 claims description 2
- 230000030279 gene silencing Effects 0.000 claims 1
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 9
- 238000005728 strengthening Methods 0.000 description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 241000124033 Salix Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
-
- 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
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/14—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact specially adapted for local protection, e.g. for bridge piers, for traffic islands
- E01F15/143—Protecting devices located at the ends of barriers
-
- 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
-
- 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
- E01F8/0023—Details, e.g. foundations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention relates to a novel light totally-enclosed sound barrier for urban viaduct, in particular to the field of sound-blocking barriers, which comprises a base, wherein two groups of anti-collision guardrail components are vertically inserted at the top end of the base, two groups of variable-section main columns are arranged between the two groups of anti-collision guardrail components, the two groups of variable-section main columns are fixedly inserted at the two sides of the top end of the anti-collision guardrail component, a plurality of side auxiliary columns are inserted between the two groups of variable-section main columns at equal intervals, and the technical key points are as follows: through setting up the guardrail body of the components of a whole that can function independently with the vertical board of removal with the anticollision barrier subassembly, be provided with a plurality of silica gel balls that are used for buffering between the guardrail body and the vertical board of removal, the surface mounting who removes the vertical board has a plurality of silica gel card posts, communicates each other through the silica gel pipeline between a plurality of silica gel card posts, and the silica gel card post is used for slowing down the vibrations that the striking of moving the vertical board produced, expands the silica gel pipeline at the in-process of pressurized simultaneously for protection collision and buffering.
Description
Technical Field
The invention relates to the technical field of sound-blocking barriers, in particular to a novel light-weight totally-enclosed sound barrier for an urban viaduct.
Background
The sound barrier can be divided into an upright type and a totally enclosed type according to structural forms, and the upright type sound barrier can be further derived into an L type, a Y type, a T type, a semicircle type and the like according to different top forms. The noise source emits sound waves, and the sound waves can change paths when encountering the sound barrier, one part of the sound waves penetrate the sound barrier to reach the sound receiving point, one part of the sound waves encounter the screen body to generate reflection, and the other part of the sound waves bypass the top end of the sound barrier to reach the sound receiving point. Namely, three paths of transmission, reflection and diffraction, the vertical sound barrier forms a sound-shadow area behind the screen body, and the vertical sound barrier can achieve the aim of effective protection for a sound receiver in the sound-shadow area. The different top forms of sound barrier correspond to an increase in screen height, which increases the sound insertion loss of the sound barrier to the sound shadow zone to some extent by about 1-2.5dB (a).
The sound barrier is characterized in that the road and the vehicle are totally enclosed in the screen body, the noise source is thoroughly enclosed, sound waves are reflected in the screen body for multiple times, so that better energy consumption is reduced, diffracted sound waves are prevented, the existing sound barrier has the following defects that vibration generated by impact of the sound barrier cannot be eliminated when the sound barrier is impacted, a special base is not arranged, or the base is not stable enough and is easy to damage, the sound barrier is large in size and wide in occupied area, and other additional functions besides sound insulation and noise reduction are not provided.
Disclosure of Invention
In order to overcome the above-mentioned defect of the prior art, the embodiment of the invention provides a novel light-weight totally-enclosed sound barrier for urban viaduct, which is characterized in that an anti-collision guardrail assembly is arranged as a guardrail body and a movable vertical plate which are separated, a plurality of silica gel balls for buffering are arranged between the guardrail body and the movable vertical plate, a plurality of silica gel clamping columns are arranged on the surface of the movable vertical plate, the silica gel clamping columns are mutually communicated through silica gel pipelines, the silica gel clamping columns are used for relieving vibration generated by the impact of the movable vertical plate, and simultaneously the silica gel pipelines are expanded in the compression process for protecting collision and buffering so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel light-weighted totally closed sound barrier of urban viaduct, includes the base, two sets of anticollision barrier subassembly are vertically inserted on the top of base, two sets of be provided with two sets of variable cross section principal posts between the anticollision barrier subassembly, two sets of the fixed cartridge in the top both sides of anticollision barrier subassembly of variable cross section principal post, the anticollision barrier subassembly is located equidistant cartridge has a plurality of side auxiliary posts between two sets of variable cross section principal posts, the shape of variable cross section principal post is unanimous with the shape of side auxiliary post, two sets of horizontal cartridge has a plurality of roofing purlins between the variable cross section principal post, every set of roofing purlin runs through a plurality of side auxiliary posts, and the inside that encloses between side auxiliary post and the roofing purlin is provided with ya keli roof board, be fixed connection setting between ya keli roof board and the side auxiliary post, ya keli roof board and the roofing purlin;
the base includes the base body, the slot has been seted up on the top of base body, the anticollision barrier subassembly includes vertical cartridge in the inside guardrail body of slot, bolt hole one has been seted up on the surface of guardrail body and base body, there is built-in hexagon bolt inside the bolt hole one through threaded connection, anticollision barrier subassembly and base are fixed connection setting through built-in hexagon bolt, the outer wall laminating of guardrail body has a plurality of silica gel balls, the laminating of the surface of silica gel ball has the vertical board of removal, the vertical board of removal is vertical cartridge in the inside of guardrail body, a plurality of through-holes have been seted up on the surface of the vertical board of removal, a plurality of through-holes with a plurality of stagger each other between the silica gel ball, the inside block of through-hole has the silica gel card post, the silica gel card post is located the part intercommunication that removes vertical board outer wall has a plurality of silica gel pipelines, a plurality of silica gel pipelines crisscross each other and communicates, a plurality of silica gel card post is the intercommunication state setting each other through a plurality of silica gel pipelines.
In a preferred embodiment, the surface laminating of anticollision barrier subassembly has the strengthening rib subassembly, the strengthening rib subassembly includes L type laminating board, the inside welding of L type laminating board has a plurality of triangle-shaped fixed plates, two sets of bolt holes second that are 90 setting are seted up to the cross-section inside that L type laminating board and triangle-shaped fixed plate enclose, the strengthening rib subassembly is located the inside of bolt hole second and has built-in button head bolt through threaded connection, the strengthening rib subassembly is fixed connection setting with base and anticollision barrier subassembly through built-in button head bolt.
In a preferred embodiment, the bottom that L type laminating board is located has seted up square groove, the inside in square groove rotates and is connected with the pivot, the surface rotation of pivot is installed and is rotated the diaphragm, the top of L type laminating board articulates there is articulated riser, the width of rotating the diaphragm is the vertical length of L type laminating board.
In a preferred embodiment, two groups of horizontal cross plates are fixedly mounted on the top end of the base, a plurality of middle column double-column foot connecting pieces are fixedly connected to the top end of each group of horizontal cross plates, middle columns are fixedly connected to the surface of each middle column double-column foot connecting piece, the top ends of the middle columns are fixedly connected to the surface of a roof purline, X-shaped fixing plates are fixedly connected between the two groups of middle columns located on two sides of each horizontal cross plate, and middle sound absorbing plates are mounted between the two groups of middle columns located in the middle of each horizontal cross plate.
In a preferred embodiment, the side sound-absorbing plates are inserted into the two groups of variable-section main columns, a side sound-absorbing plate is arranged between the side sound-absorbing plates and the anti-collision guardrail assembly, and the side sound-absorbing plates are fixedly connected with the anti-collision guardrail assembly through the side sound-absorbing plates.
In a preferred embodiment, the middle sound absorbing plate is made of novel foamed aluminum sound materials, and comprises a galvanized steel backboard, a porous aluminum plate and a foamed aluminum plate, wherein the galvanized steel backboard is connected with the porous aluminum plate, the porous aluminum plate and the foamed aluminum plate through willow nails, and a sound attenuation cavity is formed between the galvanized steel backboard and the porous aluminum plate.
In a preferred embodiment, a hidden groove is formed in the surface of the base, and a cleaning component is clamped in the hidden groove;
the cleaning assembly comprises an end clamping piece positioned in the hidden groove, one surface of the end clamping piece, far away from the base, is rotationally provided with a rectangular rotating plate, the plate body of the rectangular rotating plate is a telescopic plate body, two groups of rectangular clamping grooves are formed in the surface of the rectangular rotating plate, the two groups of rectangular clamping grooves horizontally correspond to each other, one end of the rectangular rotating plate is connected with a threaded end through threads, the surface of the threaded end is rotationally provided with a horizontal rotating rod, and the surface of the horizontal rotating rod is provided with compact bristles in a inserted mode.
In a preferred embodiment, the rotary connecting assembly comprises an end socket rotatably mounted in the middle column, a rotary connecting shaft is fixedly connected to the surface of the end socket, the shaft body of the rotary connecting shaft is a telescopic shaft body, two groups of clamping grooves are formed in the surface of the rotary connecting shaft, two groups of positioning columns are horizontally inserted into the surface of the middle column, and the outer diameter of each positioning column is consistent with the groove diameter of each clamping groove.
In a preferred embodiment, the top end of the rotating shaft is rotationally connected with a circular convex column, the rotating connection assembly is located at one end of the circular convex column and is fixedly connected with a clamping assembly, the clamping assembly comprises an end connection base, the upper end face and the lower end face of the end connection base are fixedly connected with two groups of telescopic elastic round rods, each group of telescopic elastic round rods is fixedly connected with an L-shaped clamping plate, and the two groups of opposite end face surfaces of the L-shaped clamping plates are fixedly connected with built-in clamping blocks.
In a preferred embodiment, the rotary connecting component is clamped inside the cleaning component, and the clamping component is arranged in an L shape.
The invention has the technical effects and advantages that:
1. according to the anti-collision guardrail, the anti-collision guardrail assembly is arranged to be the guardrail body and the movable vertical plate which are separated, the plurality of silica gel balls used for buffering are arranged between the guardrail body and the movable vertical plate, the plurality of silica gel clamping columns are arranged on the surface of the movable vertical plate and are communicated with each other through the silica gel pipeline, and the silica gel clamping columns are used for relieving vibration generated by collision of the movable vertical plate and expanding the silica gel pipeline in the compression process so as to protect collision and buffer;
2. according to the invention, the connection part of the base and the anti-collision guardrail assembly is provided with the reinforcing rib assembly for reinforcing the connection relation between the base and the anti-collision guardrail assembly, and meanwhile, the inside of the reinforcing rib assembly is provided with the hinged vertical plate and the rotating transverse plate which are used for covering the second bolt hole, so that flying dust is prevented from entering the second bolt hole, cleaning is not easy, and meanwhile, the hinged vertical plate and the rotating transverse plate are overturned to be built to be used as a stool for temporary rest.
3. According to the invention, the middle sound absorbing plate is provided with the multi-layer composite structure, namely the galvanized steel backboard, the porous aluminum plate and the foam aluminum plate, wherein a sound absorbing cavity is reserved between the galvanized steel backboard and the porous aluminum plate, the surfaces of the foam aluminum plate and the porous aluminum plate are in a porous form, and the foam aluminum plate has a large number of concave-convex structures and small cavity structures, so that sound is absorbed through the diffuse reflection effect of the surface, sound energy is dissipated through the microporous structure, the helmholtz resonance sound absorber principle is utilized, and the sound absorbing effect is greatly improved by matching with the cavity structure.
4. According to the invention, the cleaning component is clamped in the base, the clamping component is rotationally connected to the surface of the center column, the rotary connecting component for clamping the cleaning component is rotationally connected to the surface of the clamping component, and the dust and garbage at the top end of the sound barrier are easily cleaned by utilizing a lever mode, so that the operation is convenient and the labor is saved.
Drawings
FIG. 1 is a schematic view of the whole structure of a totally enclosed sound barrier according to the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 1B in accordance with the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 1C in accordance with the present invention;
FIG. 5 is a schematic view of a partial structure of a stiffener assembly according to the present invention;
FIG. 6 is an isometric view of the overall structure of the fully enclosed sound barrier of the present invention;
FIG. 7 is an enlarged view of the structure of FIG. 6D in accordance with the present invention;
FIG. 8 is a cross-sectional view of the overall structure of the totally enclosed sound barrier of the present invention;
FIG. 9 is a schematic view of the overall structure of the intermediate acoustical panel of the present invention;
FIG. 10 is a front view of the overall structure of the fully enclosed sound barrier of the present invention;
fig. 11 is an enlarged view of the structure at E in fig. 10 according to the present invention.
The reference numerals are: 1. a base; 101. a base body; 102. a slot; 103. a first bolt hole; 2. a crash barrier assembly; 201. a guardrail body; 202. moving the vertical plate; 203. silica gel balls; 204. a through hole; 205. a silica gel clamping column; 206. a silica gel pipe; 3. a stiffener assembly; 301. an L-shaped bonding plate; 302. a triangular fixing plate; 303. a second bolt hole; 304. hinging a vertical plate; 305. rotating the transverse plate; 306. a rotating shaft; 4. a variable cross-section main column; 5. a side acoustic panel; 6. a side sound absorbing panel; 7. a side secondary column; 8. acrylic roof panel; 9. roof purlins; 10. a center column; 11. a rotary connection assembly; 1101. a terminal post; 1102. a clamping groove; 1103. rotating the connecting shaft; 1104. a circular convex column; 12. a clamping assembly; 1201. the end head is connected with the base; 1202. an L-shaped clamping plate; 1203. a telescopic elastic round rod; 1204. a clamping block is arranged in the clamping block; 13. positioning columns; 14. a round head bolt is arranged in the inner part; 15. a hexagon bolt is arranged in the steel wire rope; 16. hiding the groove; 17. a cleaning assembly; 1701. a rectangular rotating plate; 1702. a rectangular clamping groove; 1703. a threaded end; 1704. a horizontal turning rod; 1705. brushing; 1706. an end clip; 18. a center post double post foot connector; 19. an intermediate sound absorbing panel; 1901. a galvanized steel backplate; 1902. a porous aluminum plate; 1903. a foam aluminum plate; 20. an X-shaped fixing plate; 21. a horizontal cross plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one: referring to fig. 1-11 of the specification, the novel light-weight totally-enclosed sound barrier for an urban viaduct of an embodiment of the invention comprises a base 1, as shown in fig. 1, two groups of anti-collision guardrail assemblies 2 are vertically inserted at the top end of the base 1, two groups of variable cross-section main posts 4 are arranged between the two groups of anti-collision guardrail assemblies 2, the two groups of variable cross-section main posts 4 are fixedly inserted at two sides of the top end of the anti-collision guardrail assembly 2, a plurality of side auxiliary posts 7 are inserted between the two groups of variable cross-section main posts 4 at equal intervals, the variable cross-section main posts 4 are consistent with the shape of the side auxiliary posts 7, a plurality of roof purlins 9 are horizontally inserted between the two groups of variable cross-section main posts 4, each group of roof purlins 9 penetrates through the plurality of side auxiliary posts 7, an acrylic roof plate 8 is arranged in a square enclosed between the side auxiliary posts 7 and the roof purlins 9, and the acrylic roof plate 8 and the roof purlins 9 are fixedly connected;
the totally enclosed sound barrier is used for completely sealing the road and the vehicle in the screen body and completely sealing the noise source, so that sound waves are reflected in the screen body for multiple times, better energy consumption is reduced, and diffracted sound waves are prevented.
As shown in fig. 7, the base 1 includes a base body 101, the top of the base body 101 is provided with a slot 102, the crash barrier component 2 includes a barrier body 201 vertically inserted in the slot 102, a first bolt hole 103 is provided on the surface of the barrier body 201 and the base body 101, a built-in hexagon bolt 15 is connected in the first bolt hole 103 through threads, the crash barrier component 2 and the base 1 are fixedly connected and arranged through the built-in hexagon bolt 15, a plurality of silica gel balls 203 are attached to the outer wall of the barrier body 201, a movable vertical plate 202 is attached to the surface of the silica gel balls 203, the movable vertical plate 202 is vertically inserted in the barrier body 201, a plurality of through holes 204 are provided on the surface of the movable vertical plate 202, the plurality of through holes 204 are staggered with the plurality of silica gel balls 203, a plurality of silica gel clamping columns 205 are positioned on the inner sides of the movable vertical plate 202, a plurality of silica gel pipelines 206 are communicated with each other, and the plurality of silica gel clamping columns 205 are mutually communicated through the plurality of silica gel pipelines 206.
In a specific scheme, a gap is reserved between the guardrail body 201 and the movable vertical plate 202, the gap is used for providing a certain installation space for the silica gel ball 203 and part of the silica gel clamping column 205, secondly, when the movable vertical plate 202 is impacted, the movable vertical plate 202 is impacted to displace towards the guardrail body 201, the movable vertical plate 202 is extruded with the silica gel ball 203 to further buffer the movable vertical plate 202, secondly, when the movable vertical plate 202 moves towards the guardrail body 201, the surface of the guardrail body 201 is extruded with the silica gel clamping column 205, and then the part of the silica gel clamping column 205 located on the outer wall of the movable vertical plate 202 is expanded at a transient speed, wherein a silica gel pipeline 206 communicated with the silica gel clamping columns 205 is also expanded.
The silica gel card post 205 is kept away from the terminal point of base 1 and is surpassed the terminal surface of base body 101, its aim at when the sound barrier is receiving the striking, it is silica gel card post 205 that its contact earlier, and then will remove vertical board 202 and push to guardrail body 201 through the axial force that silica gel card post 205 received and move, secondly be provided with more silica gel card post 205 and many crisscross silica gel pipeline 206 that just communicate each other, its aim at is when guardrail body 201 receives tiny pressure, its silica gel pipeline 206 also can expand, many crisscross silica gel pipeline 206 that just communicate each other are in order to protect the surface that removes vertical board 202 as far as possible.
Embodiment two: further, as shown in fig. 4, the reinforcing rib component 3 is attached to the surface of the crash barrier component 2, the reinforcing rib component 3 comprises an L-shaped attaching plate 301, a plurality of triangular fixing plates 302 are welded inside the L-shaped attaching plate 301, two groups of bolt holes 303 which are arranged at 90 degrees are formed in the cross section surrounded by the L-shaped attaching plate 301 and the triangular fixing plates 302, the reinforcing rib component 3 is located inside the bolt holes 303 and is connected with the built-in round head bolts 14 through threads, and the reinforcing rib component 3 is fixedly connected with the base 1 and the crash barrier component 2 through the built-in round head bolts 14.
Wherein L type laminating board 301 and triangle-shaped fixed plate 302 constitute triangle-shaped, its triangle-shaped has stability, anticollision barrier assembly 2 cartridge is in the inside of base 1, when the outer wall of anticollision barrier assembly 2 receives the striking, the part that its base 1 and anticollision barrier assembly 2 are connected is easy to fracture, so there is strengthening rib assembly 3 in the junction of anticollision barrier assembly 2 and base 1 through bolted connection, the cross-section of its strengthening rib assembly 3 is triangle-shaped, stability has, the surface of strengthening rib assembly 3 laminates in base 1 and anticollision barrier assembly 2 completely when strengthening the connection of base 1 and anticollision barrier assembly 2.
Further, as shown in fig. 5, a square groove is formed at the bottom end of the L-shaped attaching plate 301, a rotating shaft 306 is rotatably connected in the square groove, a rotating transverse plate 305 is rotatably mounted on the surface of the rotating shaft 306, a hinged vertical plate 304 is hinged to the top end of the L-shaped attaching plate 301, and the width of the rotating transverse plate 305 is the vertical length of the L-shaped attaching plate 301.
The length and the width of square groove are all greater than the length and the width of rotating diaphragm 305, and it is convenient to rotate diaphragm 305 and overturn from the inside of square groove, and wherein rotate diaphragm 305 and articulated riser 304 conveniently shelter from built-in button head bolt 14 and bolt hole two 303, prevent dust and then to the inside of bolt hole two 303, secondly rotate to the level when articulated riser 304, rotate to vertical with rotating diaphragm 305 again, through overlap joint articulated riser 304 and rotating diaphragm 305, can build a temporary stool for the pedestrian carries out interim rest.
Embodiment III: further, as shown in fig. 8, two groups of horizontal cross plates 21 are fixedly mounted at the top end of the base 1, a plurality of middle column double column foot connecting pieces 18 are fixedly connected at the top end of each group of horizontal cross plates 21, middle columns 10 are fixedly connected to the surface of each middle column double column foot connecting piece 18, the top ends of the plurality of middle columns 10 are fixedly connected to the surface of the roof purline 9, an X-shaped fixing plate 20 is fixedly connected between the two groups of middle columns 10 positioned at two sides of the horizontal cross plates 21, and an intermediate sound absorbing plate 19 is mounted between the two groups of middle columns 10 positioned at the middle position of the horizontal cross plates 21.
The center pillar 10 is used for providing a supporting force to the top of the multi-sound barrier, and a group of sound absorbing boards are additionally arranged at the middle position of the sound barrier for enhancing the reflection and absorption of sound.
Further, as shown in fig. 1, the side acoustic boards 5 are inserted into the two groups of variable-section main columns 4, the side acoustic boards 6 are arranged between the side acoustic boards 5 and the anti-collision guardrail assembly 2, and the side acoustic boards 5 are fixedly connected with the anti-collision guardrail assembly 2 through the side acoustic boards 6.
The whole sound barrier is partitioned along the track direction of the variable-section main column 4, the whole sound barrier is symmetrically distributed and arranged about the vertical central line of the center column 10, and is respectively a side sound absorbing plate 6-a side sound absorbing plate 5-a roof sound absorbing plate-a roof surface-a side sound absorbing plate 5-a side sound absorbing plate 6, wherein the roof surface and the side sound absorbing plate 5 are made of acrylic materials, the light transmission is facilitated, acrylic is an important thermoplastic material for developing earlier, the weather resistance is good, the producible surface width is large, the fixing mode is simple, and the side sound absorbing plate 6, the center column 10 and the roof sound absorbing plate are all made of novel foam aluminum sound materials.
Further, as shown in fig. 9, the middle sound absorbing plate 19 is made of a novel foamed aluminum sound material, the middle sound absorbing plate 19 comprises a galvanized steel backboard 1901, a porous aluminum plate 1902 and a foamed aluminum plate 1903, the galvanized steel backboard 1901 and the porous aluminum plate 1902, the porous aluminum plate 1902 and the foamed aluminum plate 1903 are connected through a willow nail, a sound attenuation cavity is formed between the galvanized steel backboard 1901 and the porous aluminum plate 1902, the thickness of the galvanized steel backboard 1901 and the thickness of the porous aluminum plate 1902 are 1.5mm, the thickness of the foamed aluminum plate 1903 is 12mm, and the gap thickness of the sound attenuation cavity is 30mm.
The novel foam aluminum sound barrier adopts a multilayer composite structure, the foam aluminum of the main material of the screen body is finished by adopting a melt foaming method, the surface of the foam aluminum is in a porous form, and the foam aluminum has a large number of concave-convex structures and small cavity structures, so that sound absorption is realized through the diffuse reflection effect of the surface, sound energy is dissipated through the microporous structure, the principle of a Helmholtz resonance sound absorber can be utilized, and the sound absorption effect is greatly improved by matching with a cavity structure. The foamed aluminum hole wall is thinner and is generally smaller than 0.5mm, and vibration of the hole wall is also one mode of noise elimination. In addition, some cracks in the foamed aluminum can play a certain role in absorbing sound energy, the sound absorption performance of the foamed aluminum subjected to perforation treatment is more excellent, and the foamed aluminum has a larger use space in popularization and application of the environment-friendly novel sound barrier.
Embodiment four: further, as shown in fig. 10, a hidden groove 16 is formed on the surface of the base 1, and a cleaning component 17 is engaged in the hidden groove 16;
as shown in fig. 11, the cleaning assembly 17 includes an end clip 1706 located inside the hidden slot 16, one surface of the end clip 1706 far away from the base 1 is rotatably provided with a rectangular rotating plate 1701, the plate body of the rectangular rotating plate 1701 is a telescopic plate body, two groups of rectangular clip slots 1702 are provided on the surface of the rectangular rotating plate 1701, the positions of the two groups of rectangular clip slots 1702 horizontally correspond, one end of the rectangular rotating plate 1701 is connected with a threaded end 1703 through threads, the surface of the threaded end 1703 is rotatably provided with a horizontal rotating rod 1704, and the surface of the horizontal rotating rod 1704 is inserted with compact bristles 1705.
When the cleaning assembly 17 needs to be taken out, the rectangular rotating plate 1701 can be pulled outwards, so that the end clamp 1706 is driven to move towards the pulling force direction, the rectangular rotating plate 1701 is separated from the inside of the hidden groove 16, the threaded end 1703 is rotated, the threaded end 1703 and the horizontal rotating rod 1704 are horizontally pulled out from the inside of the hidden groove 16, the rectangular rotating plate 1701 is turned over, and the horizontal rotating rod 1704 is connected through threads, so that the cleaning assembly is assembled.
Further, as shown in fig. 3, the rotary connection assembly 11 includes a terminal inserting column 1101 rotatably mounted inside the middle column 10, a rotation connecting shaft 1103 is fixedly connected to a surface of the terminal inserting column 1101, a shaft body of the rotation connecting shaft 1103 is a telescopic shaft body, the rotation connecting shaft 1103 is convenient to stretch and match with the cleaning assembly 17, two groups of clamping grooves 1102 are formed in the surface of the rotation connecting shaft 1103, two groups of positioning columns 13 are horizontally inserted into the surface of the middle column 10, and the outer diameter of the positioning columns 13 is identical to the groove diameter of the clamping grooves 1102.
When the rotation shaft 1103 rotates to the horizontal position, the positioning post 13 is just clamped inside the clamping groove 1102, and the position of the rotation shaft 1103 is fixed in the horizontal position.
Further, as shown in fig. 2, the top end of the rotating shaft 1103 is rotatably connected with a circular boss 1104, one end of the rotating connecting assembly 11 located on the circular boss 1104 is fixedly connected with a clamping assembly 12, the clamping assembly 12 includes an end connecting base 1201, the upper and lower end surfaces of the end connecting base 1201 are fixedly connected with two groups of telescopic elastic round bars 1203, one end of each group of telescopic elastic round bars 1203 is fixedly connected with an L-shaped clamping plate 1202, and the opposite end surfaces of the two groups of L-shaped clamping plates 1202 are fixedly connected with built-in clamping blocks 1204.
The two sets of built-in clamping blocks 1204 are arranged vertically and correspondingly, and correspond to the two sets of rectangular clamping grooves 1702 on the surface of the rectangular rotating plate 1701, and the cleaning assembly 17 is connected with the clamping assembly 12 by clamping the built-in clamping blocks 1204 in the rectangular clamping grooves 1702.
Further, as shown in fig. 10, the rotary connection unit 11 is engaged with the cleaning unit 17, and the engaging unit 12 is formed in an L-shape.
The whole sound barrier is of a frame structure, an acrylic material is adopted on a roof, the sound barrier needs to clean the surface of the sound barrier periodically after the outside is subjected to long time, the process is complicated when the climbing mode needs to be carried out manually, the cleaning assembly 17 is clamped inside the clamping assembly 12, the brush hair 1705 is arranged at the top of the sound barrier in a frame mode, the clamping assembly 12 is used as a support point, the rectangular rotating plate 1701 moves left and right, the rectangular rotating plate 1701 is positioned at the lower half part of the clamping assembly 12, the upper half part of the cleaning assembly 17 slides on the surface of the sound barrier, the rectangular rotating plate 1701 is a telescopic plate body, the brush hair 1705 is enabled to be always in contact with the surface of the sound barrier under the action of gravity, the operation is taught easily by utilizing a lever mode, and the labor is saved.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally, the foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. Novel light-weight totally-enclosed sound barrier of urban viaduct, including base (1), its characterized in that: two groups of anti-collision guardrail assemblies (2) are vertically inserted into the top end of the base (1), two groups of variable cross-section main posts (4) are arranged between the anti-collision guardrail assemblies (2), two groups of variable cross-section main posts (4) are fixedly inserted into two sides of the top end of the anti-collision guardrail assemblies (2), a plurality of side auxiliary posts (7) are inserted between the two groups of variable cross-section main posts (4) at equal intervals, the shapes of the variable cross-section main posts (4) and the side auxiliary posts (7) are consistent, a plurality of roof purlins (9) are horizontally inserted between the two groups of variable cross-section main posts (4), each group of roof purlins (9) penetrates through a plurality of side auxiliary posts (7), and an inferior gram roof plate (8) is arranged in a square box enclosed between the side auxiliary posts (7) and the roof plate roof plates (8) and the inferior gram force roof plates (9), and the inferior gram force roof plates (8) are fixedly connected;
the base (1) comprises a base body (101), slot (102) are offered on the top of base body (101), anti-collision guardrail subassembly (2) include vertical cartridge in inside guardrail body (201) of slot (102), bolt hole one (103) are offered on the surface of guardrail body (201) and base body (101), the inside of bolt hole one (103) is through threaded connection has built-in hexagon bolt (15), anti-collision guardrail subassembly (2) and base (1) are fixed connection setting through built-in hexagon bolt (15), the outer wall laminating of guardrail body (201) has a plurality of silica gel balls (203), the surface laminating of silica gel ball (203) has a movable vertical board (202), movable vertical board (202) are vertical cartridge in the inside of guardrail body (201), a plurality of through-holes (204) are offered on the surface of movable vertical board (202), a plurality of through-holes (204) are staggered each other with a plurality of silica gel balls (203), the inside block of through-holes (204) has silica gel block (205), silica gel column (202) are located the inside of a plurality of pipeline (206) and are crossed each other, the silica gel clamping columns (205) are arranged in a mutually communicated state through the silica gel pipelines (206).
2. The urban viaduct novel lightweight totally-enclosed sound barrier according to claim 1, wherein: the anti-collision guardrail is characterized in that a reinforcing rib assembly (3) is attached to the surface of the anti-collision guardrail assembly (2), the reinforcing rib assembly (3) comprises an L-shaped attaching plate (301), a plurality of triangular fixing plates (302) are welded inside the L-shaped attaching plate (301), two groups of bolt holes (303) which are arranged at 90 degrees are formed in the cross section formed by the L-shaped attaching plate (301) and the triangular fixing plates (302), the reinforcing rib assembly (3) is located inside the bolt holes (303) and is connected with built-in round head bolts (14) through threads, and the reinforcing rib assembly (3) is fixedly connected with the base (1) and the anti-collision guardrail assembly (2) through the built-in round head bolts (14).
3. The urban viaduct novel lightweight totally-enclosed sound barrier according to claim 2, wherein: the bottom that L type laminating board (301) is located has seted up square groove, the inside rotation in square groove is connected with pivot (306), rotation diaphragm (305) are installed in the surface rotation of pivot (306), articulated riser (304) are articulated on the top of L type laminating board (301), the width of rotation diaphragm (305) is the vertical length of L type laminating board (301).
4. The urban viaduct novel lightweight totally-enclosed sound barrier according to claim 1, wherein: the base is characterized in that two groups of horizontal transverse plates (21) are fixedly arranged at the top end of the base (1), a plurality of middle column double-column foot connecting pieces (18) are fixedly connected to the top end of each horizontal transverse plate (21), middle columns (10) are fixedly connected to the surfaces of the middle column double-column foot connecting pieces (18), the top ends of the middle columns (10) are fixedly connected to the surfaces of roof purlins (9), X-shaped fixing plates (20) are fixedly connected between the two groups of middle columns (10) and positioned on two sides of the horizontal transverse plates (21), and middle sound absorbing plates (19) are arranged between the middle columns (10) and positioned in the middle of the horizontal transverse plates (21).
5. The urban viaduct novel lightweight totally-enclosed sound barrier according to claim 1, wherein: the side sound insulation boards (5) are inserted into the two groups of variable-section main columns (4), side sound absorption boards (6) are arranged between the side sound insulation boards (5) and the anti-collision guardrail assembly (2), and the side sound insulation boards (5) are fixedly connected with the anti-collision guardrail assembly (2) through the side sound absorption boards (6).
6. The novel lightweight totally-enclosed sound barrier for urban viaducts of claim 5, wherein: the middle sound absorbing plate (19) is made of novel foamed aluminum sound materials, the middle sound absorbing plate (19) comprises a galvanized steel backboard (1901), a porous aluminum plate (1902) and a foamed aluminum plate (1903), the galvanized steel backboard (1901) is connected with the porous aluminum plate (1902), the porous aluminum plate (1902) is connected with the foamed aluminum plate (1903) through a willow nail, and a silencing cavity is formed between the galvanized steel backboard (1901) and the porous aluminum plate (1902).
7. The novel lightweight totally-enclosed sound barrier for urban viaducts of claim 4, wherein: a hidden groove (16) is formed in the surface of the base (1), and a cleaning assembly (17) is clamped in the hidden groove (16);
the cleaning assembly (17) comprises an end clamping piece (1706) positioned in the hidden groove (16), one surface of the end clamping piece (1706) away from the base (1) is rotationally provided with a rectangular rotating plate (1701), the plate body of the rectangular rotating plate (1701) is a telescopic plate body, two groups of rectangular clamping grooves (1702) are formed in the surface of the rectangular rotating plate (1701), two groups of rectangular clamping grooves (1702) horizontally correspond to each other, one end of the rectangular rotating plate (1701) is connected with a threaded end (1703) through threads, the surface of the threaded end (1703) is rotationally provided with a horizontal rotating rod (1704), and the surface of the horizontal rotating rod (1704) is provided with compact bristles (1705) in a plugging mode.
8. The novel lightweight totally enclosed sound barrier for urban viaducts of claim 7, wherein: the rotary connecting assembly (11) comprises a terminal inserting column (1101) rotatably mounted inside a middle column (10), a rotary connecting shaft (1103) is fixedly connected to the surface of the terminal inserting column (1101), the shaft body of the rotary connecting shaft (1103) is a telescopic shaft body, two groups of clamping grooves (1102) are formed in the surface of the rotary connecting shaft (1103), two groups of positioning columns (13) are horizontally inserted into the surface of the middle column (10), and the outer diameter of the positioning columns (13) is identical to the groove diameter of the clamping grooves (1102).
9. The urban viaduct novel lightweight totally-enclosed sound barrier of claim 8, wherein: the top of rotation connecting axle (1103) rotates and is connected with circular boss (1104), rotary connection subassembly (11) are located the one end fixedly connected with block subassembly (12) of circular boss (1104), block subassembly (12) are including end connection base (1201), the upper and lower terminal surface fixedly connected with of end connection base (1201) two sets of telescopic elasticity round bars (1203), every one end fixedly connected with L type cardboard (1202) of telescopic elasticity round bar (1203), two sets of the terminal surface fixedly connected with built-in fixture block (1204) that L type cardboard (1202) are relative.
10. The urban viaduct novel lightweight totally-enclosed sound barrier of claim 9, wherein: the rotary connecting assembly (11) is clamped in the cleaning assembly (17), and the clamping assembly (12) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310261366.3A CN116289683A (en) | 2023-03-17 | 2023-03-17 | Novel light totally-enclosed sound barrier for urban viaduct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310261366.3A CN116289683A (en) | 2023-03-17 | 2023-03-17 | Novel light totally-enclosed sound barrier for urban viaduct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116289683A true CN116289683A (en) | 2023-06-23 |
Family
ID=86802726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310261366.3A Pending CN116289683A (en) | 2023-03-17 | 2023-03-17 | Novel light totally-enclosed sound barrier for urban viaduct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116289683A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754654A (en) * | 2023-08-21 | 2023-09-15 | 成都中弘轨道交通环保产业股份有限公司 | Sound barrier detection method and device based on image analysis model |
-
2023
- 2023-03-17 CN CN202310261366.3A patent/CN116289683A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754654A (en) * | 2023-08-21 | 2023-09-15 | 成都中弘轨道交通环保产业股份有限公司 | Sound barrier detection method and device based on image analysis model |
| CN116754654B (en) * | 2023-08-21 | 2023-12-01 | 成都中弘轨道交通环保产业股份有限公司 | Sound barrier detection method and device based on image analysis model |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116289683A (en) | Novel light totally-enclosed sound barrier for urban viaduct | |
| CN102926334B (en) | Cup-shaped noise reduction and sound absorption member | |
| CN103526700B (en) | A kind of sound barrier | |
| JPH10121599A (en) | Sound-proof wall | |
| CN218815671U (en) | Town road sound-proof wall | |
| KR200410391Y1 (en) | Absorption type transparent soundproof wall | |
| JPH04281905A (en) | Sound absorber and sound absorbing panel by use thereof | |
| CN217325099U (en) | Noise control trackside sound barrier device | |
| CN206888258U (en) | Cavity type resonance abatvoix metope structure | |
| CN212958008U (en) | Assembled building guardrail | |
| CN212224264U (en) | Sound insulation protection plate for constructional engineering | |
| JP2010121401A (en) | Soundproof wall having solar photovoltaic power generation | |
| CN209817602U (en) | Three-dimensional assembled sound absorption and insulation firewall module enclosure structure | |
| CN210459532U (en) | But quick assembly disassembly's steel construction room | |
| KR101425782B1 (en) | Air Passing type Sound absorption Soundproofing Panel | |
| CN112031191A (en) | Sound insulation protection plate for constructional engineering | |
| JP3743354B2 (en) | Sound barrier panel and its mounting method | |
| CN218292362U (en) | Slide rail type movable sound barrier | |
| RU2173372C2 (en) | Acoustical panel of noise shield | |
| CN215443039U (en) | Sound-insulation noise-reduction climbing frame | |
| KR102401870B1 (en) | Eco-friendly sound-absorbing soundproofing board assembled with sound-absorbing material regenerated from waste resin, and its overall maintenance method | |
| CN215166731U (en) | Sound insulation device for building environmental protection engineering | |
| CN213269271U (en) | Municipal administration bridge construction is with on-spot protection acoustic celotex board of making an uproar that falls | |
| KR200282454Y1 (en) | Multipurpose sound-absorbing partitioning | |
| CN212253102U (en) | Silencing equipment for building equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |