CN113818752A - Novel subway station trades to take advantage of and reforms transform sound insulation fire prevention that uses and encloses fender baffle - Google Patents
Novel subway station trades to take advantage of and reforms transform sound insulation fire prevention that uses and encloses fender baffle Download PDFInfo
- Publication number
- CN113818752A CN113818752A CN202111213573.9A CN202111213573A CN113818752A CN 113818752 A CN113818752 A CN 113818752A CN 202111213573 A CN202111213573 A CN 202111213573A CN 113818752 A CN113818752 A CN 113818752A
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- station
- sound
- steel
- square steel
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- 238000009413 insulation Methods 0.000 title claims description 19
- 230000002265 prevention Effects 0.000 title claims description 7
- 230000008901 benefit Effects 0.000 title description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- 230000009466 transformation Effects 0.000 claims abstract description 17
- 229920000742 Cotton Polymers 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 5
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000030279 gene silencing Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/84—Sound-absorbing elements
- E04B1/86—Sound-absorbing elements slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
- E04H17/17—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames brackets for the connection between panels and posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a novel sound-proof and fireproof enclosure baffle plate for transfer transformation of a subway station, which comprises a bottom plate of a lower layer structure of the station and a bottom plate of an upper layer structure of the station, a plurality of lower steel plates are arranged at the top of the station lower-layer structure bottom plate at equal intervals, a plurality of upper steel plates corresponding to the lower steel plates are arranged at the bottom of the station upper-layer structure bottom plate, the cross sections of the lower steel plates and the upper steel plates are of square structures, the four corners of the enclosure baffle are provided with mounting holes, and the lower steel plate and the upper steel plate respectively pass through the mounting holes through expansion bolts to be fixed with the lower layer structure bottom plate of the station and the upper layer structure bottom plate of the station.
Description
Technical Field
The invention relates to the technical field of urban rail transit construction protection, in particular to a novel sound-insulation fireproof enclosure partition plate for transfer and transformation of a subway station.
Background
At present, as the national economy is rapidly developed, the urbanization construction is accelerated, and the subway is a form of urban public transport, more and more people can not leave the quick and convenient transport, when the subway is selected as the transport to a destination, people do not only take one subway line, and often need to transfer other subway lines to reach the destination, so the channel transfer scheme reserved in the original station is difficult to meet the construction requirements, the side wall needs to be transformed to improve the three-line transfer capability, in order to ensure the normal operation of the opened subway according to the construction process and the requirements, the transformation area of the station needs to be completely enclosed to meet the performance requirements of fire prevention, sound insulation, impact resistance and the like, but the traditional enclosure structure only simply meets the requirement that the construction does not cause safety accidents to pedestrians, and does not play the role of sound insulation and fire prevention, therefore, a novel soundproof fireproof enclosure partition plate for subway station transfer and transformation is needed to improve the problems.
Disclosure of Invention
The invention aims to solve the problems that the novel sound-insulation fireproof enclosure baffle plate for the transfer and transformation of the subway station can effectively avoid safety accidents caused by construction to pedestrians and has the sound-insulation fireproof effect.
In order to achieve the purpose, the invention adopts the following technical scheme: a novel sound-insulation fireproof enclosure baffle plate for transfer transformation of a subway station comprises a bottom plate of a lower layer structure of the station and a bottom plate of an upper layer structure of the station, a plurality of lower steel plates are arranged at the top of the station lower-layer structure bottom plate at equal intervals, a plurality of upper steel plates corresponding to the lower steel plates are arranged at the bottom of the station upper-layer structure bottom plate, the cross sections of the lower steel plates and the upper steel plates are of square structures, all be provided with the mounting hole in its four corners, lower steel sheet and last steel sheet pass the mounting hole respectively through expansion bolts and fix with station substructure bottom plate and station superstructure bottom plate, and the position corresponds all vertically between lower steel sheet and the last steel sheet be provided with square steel stand, adjacent two from the top down equidistant a plurality of tie beams that transversely are provided with between the square steel stand, the both sides face of square steel stand all is provided with a plurality of acoustical panels.
Preferably, the bottom end of the square steel column is welded with the lower steel plate, the top end of the square steel column is welded with the upper steel plate, and the two ends of the connecting beam are welded with the square steel columns on the two sides.
Preferably, the acoustical panel is fixed with the square steel upright posts and the connecting beams through self-tapping bolts, and the acoustical panel is installed from top to bottom and from right to left one by one.
Preferably, the plate surface of the sound-absorbing plate is coated with fireproof paint.
Preferably, two adjacent square steel stand columns are provided with channel steel pressing strips between the bottom ends of the two adjacent square steel stand columns, and two ends of each channel steel pressing strip are welded with the square steel stand columns on two sides.
Preferably, still including inhaling the sound cotton, inhale the sound cotton embedded in the cavity between square steel stand and the linking roof beam, the top of linking roof beam and the bottom that is located the below linking roof beam all install and are used for inhaling the cotton fixed device that supports to press of sound.
Preferably, support pressure equipment and include box body, flexible cover and spring, the bottom outside of box body is provided with outer fixed plate along, pass through the bolt fastening on even tie beam along the fixed plate outward, logical groove has been seted up at the top of box body, flexible cover is arranged box body inside and top in and is passed logical groove, the bottom outside of flexible cover is provided with outer limiting plate along, the inside equidistant a plurality of springs that are provided with of flexible cover, spring one end and flexible cover inner wall fixed connection, the spring other end supports and leans on linking the beam.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the double-layer silencing cotton is arranged in the silencing plate through the two silencing plates, so that if a passenger gets on a subway and is close to a construction area, the noise generated during construction is effectively reduced, the influence on the normal riding of the passenger is reduced, the fireproof coating is coated on the surface of the acoustical panel, so that the fire resistance of the material can be effectively improved, the flame spread propagation speed can be slowed down, in the work progress, if reasons such as circuit short circuit lead to flame to produce, the acoustical panel of paining fire prevention coating can effectually keep apart the passenger of opposite side and play the guard action, also can delay the time that the building collapses, strive for the valuable time for rescue and putting out a fire, it is short to have a construction period, install convenient advantage, the security performance of apron is also higher, can effectively overcome the shortcoming that the mounting height that prior art exists is difficult to reach the requirement, can effectually avoid the construction to cause the incident to the pedestrian and play the effect of sound insulation fire prevention.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the overall structure of a novel sound-proof and fire-proof enclosure partition plate for transfer and transformation of a subway station;
FIG. 2 is a schematic view of a part of the structure of the novel sound-insulation fireproof enclosure partition plate for the transfer and transformation of a subway station;
FIG. 3 is a partial front view of a sound-insulating and fire-proof enclosure partition board for the transfer and transformation of a novel subway station;
fig. 4 is a partial sectional view of the pressing device of the novel sound-proof and fireproof enclosure partition plate for transfer and transformation of the subway station.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:
the invention provides a novel sound-insulation fireproof enclosure baffle plate for transfer transformation of a subway station, which comprises a station lower-layer structural bottom plate 1 and a station upper-layer structural bottom plate 2, wherein a plurality of lower steel plates 3 are arranged at equal intervals on the top of the station lower-layer structural bottom plate 1, a plurality of upper steel plates 4 corresponding to the positions of the lower steel plates 3 are arranged at the bottom of the station upper-layer structural bottom plate 2, the cross sections of the lower steel plates 3 and the upper steel plates 4 are of square structures (the lower steel plates 3 and the upper steel plates 4 adopt 1cm thick square steel plates with the length and the width of 20 cm), mounting holes (the specification of the mounting holes is phi 10mm) are arranged at four corners, the lower steel plates 3 and the upper steel plates 4 are respectively fixed with the station lower-layer structural bottom plate 1 and the station upper-layer structural bottom plate 2 through expansion bolts (the specification of the expansion bolts is phi 8mm), square steel columns 5 are vertically arranged between the lower steel plates 3 and the upper steel plates 4 corresponding to each other, the connecting beams 6 are transversely arranged between every two adjacent square steel upright columns 5 at equal intervals from top to bottom, and the two side faces of each square steel upright column 5 are provided with the silencing plates 8.
In this embodiment, referring to fig. 1 and fig. 2, the bottom end of the square steel column 5 is welded to the lower steel plate 3, the top end of the square steel column 5 is welded to the upper steel plate 4, and both ends of the connecting beam 6 are welded to the square steel columns 5 on both sides, so that the connecting beam is firmly connected and has high stability.
In the embodiment, please refer to fig. 1, the acoustical panel 8 is fixed with the square steel upright post 5 and the connecting beam 6 through the self-tapping bolt, the acoustical panel 8 is installed from top to bottom and from the right to the left, the acoustical panel 8 is a titanium alloy acoustical panel, the surface of the acoustical panel 8 is coated with the fireproof coating, the fireproof coating is non-expansive fireproof coating, the fireproof coating can effectively improve the fire resistance of the material and slow down the spreading speed of flame, if flame is generated due to reasons such as circuit short circuit in the construction process, the acoustical panel 8 coated with the fireproof coating can effectively isolate passengers on the other side to play a role in protection, and the collapse time of the building can also be delayed, so that the time for rescue and fire extinguishment is obtained.
In this embodiment, referring to fig. 1, a channel steel pressing strip 10 is disposed between the bottom ends of two adjacent square steel columns 5, two ends of the channel steel pressing strip 10 are welded to the square steel columns 5 on two sides, and the groove steel pressing strip 10 is used for pressing when the last acoustical panel 8 is installed.
In this embodiment, please refer to fig. 1, further comprising sound-absorbing cotton 7, the sound-absorbing cotton 7 is embedded in the cavity between the square steel upright post 5 and the connecting beam 6, the sound-absorbing cotton 7 is made of double-layer fireproof sound-absorbing cotton, and the noise generated during construction is effectively reduced by the sound-absorbing cotton 7, so as to reduce the influence on the normal riding of passengers.
In this embodiment, referring to fig. 3 and fig. 4, the top of the connecting beam 6 and the bottom of the connecting beam 6 located at the lowest position are both provided with a pressing device 9 for pressing and fixing the sound absorbing cotton 7, the pressing device 9 includes a box 901, a telescopic sleeve 904 and a spring 906, an outer edge fixing plate 903 is arranged at the outer side of the bottom end of the box 901, the outer edge fixing plate 903 is fixed on the connecting beam 6 by bolts, the top of the box 901 is provided with a through slot 902, the telescopic sleeve 904 is disposed inside the box 901, the top end of the telescopic sleeve 904 passes through the through slot 902, an outer edge limiting plate 905 is arranged at the outer side of the bottom end of the telescopic sleeve 904, the outer edge limiting plate 905 abuts against the inner wall of the box 901, the outer edge limiting plate 905 is always located inside the box 901, a plurality of springs 906 are equally spaced inside the telescopic sleeve 904, one end of the spring 906 is fixedly connected with the inner wall of the telescopic sleeve 904, the other end of the spring 906 abuts against the connecting beam 6, the telescopic sleeve 904 can be pushed to the outer side of the box 901 by the elastic action of the spring 906, thereby providing a part of the allowance of the sound-absorbing plate 8, and the sound-absorbing plate 8 is pressed and fixed in the cavity, so that the sound-absorbing plate 8 is convenient to place.
The operation process of the invention comprises: during installation, a lower steel plate 3 and an upper steel plate 4 which are 20cm long and 20cm wide and are square in thickness of 1cm are manufactured in advance, phi 10mm installation holes are drilled in advance at four corners of the steel plates, according to a measurement lofting line, a lower steel plate 3 is placed at the top of a station lower layer structure bottom plate 1 at intervals of 2m, an upper steel plate 4 is placed at the bottom of a station upper layer structure bottom plate 2 at intervals of 2m, hand-held electric drills are adopted at the positions of the installation holes at the periphery of the steel plates, the depth of the holes is guaranteed to be not less than 5cm when the holes enter each layer structure, the steel plates are fastened and fixed by phi 8mm expansion bolts penetrating through the installation holes, a pad at the bottom of each steel plate is guaranteed to be flat and closely attached to the bottom plate, square steel columns 5 manufactured by a manufacturer in a unified mode are welded with the lower steel plate 3 and the upper steel plate 4, the welding is guaranteed to be fully welded at the periphery, the thickness and the width of a welding line meet requirements, after the square steel columns 5 are installed, connecting beams 6 are welded between two adjacent square steel columns 5, then, the acoustical boards 8 are installed on one side surface of the square steel upright post 5 from top to bottom and from the right to the left one by one, the acoustical boards 8 are fixed with the square steel upright post 5 and the connecting beam 6 through self-tapping bolts, then the acoustical cotton 7 is embedded in a cavity between the square steel upright post 5 and the connecting beam 6, can support to press through supporting and press device 9 and fix acoustical panel 8 in the cavity, drop when avoiding installing, install the acoustical panel 8 of opposite side again, arrange channel-section steel layering 10 in between the bottom of two square steel stands 5 when the last acoustical panel 8 of installation completion between, press the both ends of steel layering 10 and square steel stand 5 welding to the acoustical panel 8, it is short to have a construction period, install convenient characteristics, the security performance of apron is also than higher, can effectively overcome the mounting height that prior art exists and be difficult to reach the shortcoming of requirement, can effectually avoid the construction to cause the incident and play the effect that gives sound insulation is prevented fires to the pedestrian.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. The utility model provides a novel subway station trades gives sound insulation fire prevention of transforming usefulness and encloses fender baffle, includes station substructure bottom plate (1) and station superstructure bottom plate (2), its characterized in that: a plurality of lower steel plates (3) are arranged on the top of the station lower-layer structure bottom plate (1) at equal intervals, a plurality of upper steel plates (4) corresponding to the lower steel plates (3) are arranged at the bottom of the station upper-layer structure bottom plate (2), the cross sections of the lower steel plate (3) and the upper steel plate (4) are of square structures, four corners of the steel plate are respectively provided with a mounting hole, the lower steel plate (3) and the upper steel plate (4) respectively pass through the mounting holes through expansion bolts to be fixed with the lower layer structure bottom plate (1) and the upper layer structure bottom plate (2) of the station, square steel upright posts (5) are vertically arranged between the lower steel plate (3) and the upper steel plate (4) which correspond to the positions, a plurality of connecting beams (6) are transversely arranged between two adjacent square steel upright posts (5) at equal intervals from top to bottom, and a plurality of sound-absorbing plates (8) are arranged on the two side surfaces of the square steel upright post (5).
2. The novel sound-insulation and fire-proof enclosure partition board for transfer and transformation of the subway station as claimed in claim 1, wherein: the bottom of square steel stand (5) and lower steel sheet (3) welding, the top and the last steel sheet (4) welding of square steel stand (5), the both ends of connecting beam (6) all weld with the square steel stand (5) of both sides.
3. The novel sound-insulation and fire-proof enclosure partition board for transfer and transformation of the subway station as claimed in claim 1, wherein: the sound-absorbing plate (8) is fixed with the square steel upright posts (5) and the connecting beam (6) through self-tapping bolts, and the sound-absorbing plates (8) are installed from top to bottom and from left to right one by one.
4. The novel sound-insulation and fire-proof enclosure partition board for transfer and transformation of subway stations as claimed in claim 3, is characterized in that: and fireproof paint is coated on the surface of the sound-absorbing plate (8).
5. The novel sound-insulation and fire-proof enclosure partition board for transfer and transformation of the subway station as claimed in claim 1, wherein: two adjacent channel-section steel layering (10) all are provided with between the bottom of square steel stand (5), the both ends of channel-section steel layering (10) all weld with the square steel stand (5) of both sides.
6. The novel sound-insulation and fire-proof enclosure partition board for transfer and transformation of the subway station as claimed in claim 1, wherein: still including inhaling sound cotton (7), inhale sound cotton (7) embedded in the cavity between square steel stand (5) and the tie beam (6), the top of tie beam (6) and the bottom that is located below tie beam (6) all install and are used for inhaling sound cotton (7) and support to press fixed support and press device (9).
7. The novel sound-insulation and fire-proof enclosure partition board for transfer and transformation of subway stations as claimed in claim 6, is characterized in that: the pressing device (9) comprises a box body (901), a telescopic sleeve (904) and a spring (906), wherein an outer edge fixing plate (903) is arranged on the outer side of the bottom end of the box body (901), the outer edge fixing plate (903) is fixed on a connecting beam (6) through a bolt, a through groove (902) is formed in the top of the box body (901), the telescopic sleeve (904) is arranged in the inner portion of the box body (901) and penetrates through the through groove (902) from the top end, an outer edge limiting plate (905) is arranged on the outer side of the bottom end of the telescopic sleeve (904), a plurality of springs (906) are arranged in the telescopic sleeve (904) at equal intervals, one end of each spring (906) is fixedly connected with the inner wall of the telescopic sleeve (904), and the other end of each spring (906) abuts against the connecting beam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213573.9A CN113818752A (en) | 2021-10-19 | 2021-10-19 | Novel subway station trades to take advantage of and reforms transform sound insulation fire prevention that uses and encloses fender baffle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111213573.9A CN113818752A (en) | 2021-10-19 | 2021-10-19 | Novel subway station trades to take advantage of and reforms transform sound insulation fire prevention that uses and encloses fender baffle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113818752A true CN113818752A (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111213573.9A Pending CN113818752A (en) | 2021-10-19 | 2021-10-19 | Novel subway station trades to take advantage of and reforms transform sound insulation fire prevention that uses and encloses fender baffle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113818752A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781510A1 (en) * | 1998-07-24 | 2000-01-28 | Patrick Heritier | Support for acoustic road screen has parallel uprights with threaded clamping rods |
| DE20113388U1 (en) * | 2001-08-11 | 2001-10-18 | Vos, Martin De | Noise barrier made of fence elements |
| CN111140078A (en) * | 2019-11-28 | 2020-05-12 | 湖南汉坤建筑安保器材有限公司 | Multi-functional art in city encloses fender |
| CN211776474U (en) * | 2020-03-06 | 2020-10-27 | 中建一局集团第五建筑有限公司 | Can have enough to meet need stand and enclose fender |
| CN212478359U (en) * | 2020-07-23 | 2021-02-05 | 山东芳林昊天钢结构工程有限公司 | Steel frame outer wall decoration integrated board |
| CN212689748U (en) * | 2020-06-10 | 2021-03-12 | 张勇 | Noise-reducing protective baffle for urban construction |
| CN217027621U (en) * | 2022-01-14 | 2022-07-22 | 深圳市桦林达装饰设计工程有限公司 | Can splice plywood partition wall |
-
2021
- 2021-10-19 CN CN202111213573.9A patent/CN113818752A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781510A1 (en) * | 1998-07-24 | 2000-01-28 | Patrick Heritier | Support for acoustic road screen has parallel uprights with threaded clamping rods |
| DE20113388U1 (en) * | 2001-08-11 | 2001-10-18 | Vos, Martin De | Noise barrier made of fence elements |
| CN111140078A (en) * | 2019-11-28 | 2020-05-12 | 湖南汉坤建筑安保器材有限公司 | Multi-functional art in city encloses fender |
| CN211776474U (en) * | 2020-03-06 | 2020-10-27 | 中建一局集团第五建筑有限公司 | Can have enough to meet need stand and enclose fender |
| CN212689748U (en) * | 2020-06-10 | 2021-03-12 | 张勇 | Noise-reducing protective baffle for urban construction |
| CN212478359U (en) * | 2020-07-23 | 2021-02-05 | 山东芳林昊天钢结构工程有限公司 | Steel frame outer wall decoration integrated board |
| CN217027621U (en) * | 2022-01-14 | 2022-07-22 | 深圳市桦林达装饰设计工程有限公司 | Can splice plywood partition wall |
Non-Patent Citations (1)
| Title |
|---|
| 王静宜: "《木工》", 30 September 1995, 中国铁道出版社 * |
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Application publication date: 20211221 |
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