CN112252091A - Tunnel with damping track structure - Google Patents
Tunnel with damping track structure Download PDFInfo
- Publication number
- CN112252091A CN112252091A CN202011141807.9A CN202011141807A CN112252091A CN 112252091 A CN112252091 A CN 112252091A CN 202011141807 A CN202011141807 A CN 202011141807A CN 112252091 A CN112252091 A CN 112252091A
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- Prior art keywords
- tunnel
- sides
- subway tunnel
- sound
- control lamp
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/045—Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/006—General building constructions or finishing work for buildings, e.g. roofs, gutters, stairs or floors; Garden equipment; Sunshades or parasols
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Railway Tracks (AREA)
Abstract
The invention relates to a tunnel with a damping track structure, which comprises a subway tunnel, wherein a sound control lamp is arranged at the top of the inner wall surface of the subway tunnel, reflecting plates are arranged on two sides of the sound control lamp, a frame plate is arranged at the lower part of the sound control lamp, a lampshade is arranged inside the frame plate, a reflecting block is arranged at the top of the lampshade, a sound receptor positioned on the left side of the lampshade is arranged at the bottom of the frame plate, and the sound receptor is electrically connected with the sound control lamp; sound absorption pads are arranged on two sides of the inner wall surface of the subway tunnel, reflection grooves are formed in the opposite wall surfaces of the two sound absorption pads, a concrete cushion layer is fixedly arranged at the bottom of the inner wall surface of the subway tunnel, a supporting plate is fixedly arranged at the top of the concrete cushion layer, and concrete sleepers are arranged at the top of the supporting plate; the invention has strong practicability, can effectively purify the noise generated during the running of the train, relieve the anxiety of workers, slow down the vibration of the train on the track and prolong the service life of the track.
Description
Technical Field
The invention relates to a tunnel with a damping track structure, which is applied to the technical field of subway tunnels.
Background
As is known, a subway is a rapid, large-traffic, electrically-towed rail transit built in a city, a train runs on a fully-enclosed line, the line located in a central urban area is basically arranged in an underground tunnel, lines outside the central urban area are generally arranged on a viaduct or the ground, and the subway is an urban rail transit system covering various underground and overground rights of ways of the urban area, and having high density and high traffic; present subway tunnel on the market has firm in structure's advantage mostly, but the lamp in the tunnel does not open during subway operation, to driver or other staff of subway, cause certain anxiety because of factors influences such as continuous darkness or sound easily in the operation process of subway, and the subway is when passing through a section track, can produce violent vibrations when the pressure release that the train caused the track, long-term the use can lead to the fact the influence to the track life-span, so propose a tunnel of taking shock attenuation track structure based on above problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides a tunnel with a damping track structure, which can effectively purify noise generated during train operation, relieve anxiety of workers, slow down vibration of a train on a track and prolong the service life of the track.
The technical scheme of the invention is as follows:
a tunnel with a damping track structure comprises a subway tunnel, wherein a sound control lamp is arranged at the top of the inner wall surface of the subway tunnel, reflecting plates are arranged on two sides of the sound control lamp, a frame plate is arranged at the lower part of the sound control lamp, a lampshade is arranged inside the frame plate, a reflecting block is arranged at the top of the lampshade, a sound sensor positioned on the left side of the lampshade is arranged at the bottom of the frame plate, and the sound sensor is electrically connected with the sound control lamp; the both sides of subway tunnel internal face all are provided with the sound absorption pad, the reflex groove has all been seted up on two sound absorption pads looks wall, the fixed concrete bed course that is provided with in bottom of subway tunnel internal face, the fixed backup pad that is provided with in top of concrete bed course, the top of backup pad is provided with the concrete sleeper, the both sides of concrete sleeper top face all are provided with the rail, connect through setting up the holding piece between the rail of both sides, the outside of two rails is all rotated and is connected with the stay cord, the inner and the rail of stay cord are connected, the outer end of stay cord is provided with spring damper, spring damper's outer end is provided with the pull rod, the outer end of pull rod is connected with the internal face in subway tunnel.
The cross section of subway tunnel is round structure, and subway tunnel top face fixed mounting has the acoustic control lamp, and the acoustic control lamp is LED lamp and quantity for a plurality of, and the acoustic control lamp equidistance distributes at the top of subway tunnel inside wall, and the equal fixed mounting in both sides of acoustic control lamp has the reflecting plate, and the surface of reflecting plate is mirror surface structure, and the camber setting is personally submitted to the bottom of reflecting plate.
The both sides of frame plate all with subway tunnel's internal face fixed connection, the inboard fixed mounting of frame plate has the lamp shade, and the bottom surface of lamp shade is the sand surface setting, and the lamp shade is formed by transparent hard material preparation.
The center of the top surface of the lampshade is fixedly provided with a reflecting block, the cross section of the reflecting block is of a triangular structure, and the outer surface of the reflecting block is provided with a reflecting coating.
The sound absorption pads are fixedly mounted on two sides of the subway tunnel and are sponge sound absorption pads, the outer wall surfaces of the sound absorption pads are attached to the inner wall surfaces of the two sides of the subway tunnel, and irregular reflection grooves are formed in the inner wall surfaces of the sound absorption pads.
The top surface of the supporting plate is fixedly connected with the bottom surface of the concrete sleeper, two rails which are distributed in a flat mode are installed on two sides of the top surface of the concrete sleeper in an undetachable mode, and a retaining piece is fixedly installed between the two rails.
The holder comprises a turnbuckle and adjusting rods, two adjusting rods are arranged on two sides of the turnbuckle in a symmetrical structure, and the outer ends of the two adjusting rods are fixedly connected with the two rails on two sides respectively.
The pull rope is a multi-strand stainless steel rope, and is in a tightening state between the rail and the spring shock absorber.
The connecting seat comprises a rotating shaft and a bearing arranged outside the rotating shaft, the outer wall surface of the rotating shaft is fixedly connected with the inner wall surface of the bearing, the outer wall surface of the bearing is fixedly connected with the end of the pull rod, connecting plates are fixed at the top and the bottom of the rotating shaft, and the connecting plates are fixedly arranged on the inner wall surface of the subway tunnel.
The invention has the following beneficial effects:
1. when the invention is used, the sound wave generated when a train runs is received by arranging the sound receptor so as to light the sound control lamp, the light of the sound control lamp is divided into two beams by the double reflection of the reflecting block and the reflecting plate to be irradiated on the lampshade and the interior of the subway tunnel is lightened by the lampshade, the sand surface of the lampshade is arranged to prevent the irradiated light from being too dazzling, meanwhile, the sound waves diffused to the two sides when the train runs impact on the sound absorption pad to effectively absorb the sound, the irregular reflection grooves can reflect the sound disorderly to accelerate the consumption of sound energy, set up above and make light only open when the train passes through, it is more energy-concerving and environment-protective, and the train is purified the train operational environment after absorbing greatly in the most noise that produces in service, has effectively slowed down the anxiety of train driver and other staff, provides more comfortable operational environment for train driver and staff.
2. By arranging the pull rope, when a train passes through the track pressure generating device, the train generates certain vibration on the track, the vibrating track pulls the spring shock absorber repeatedly through the pull rope, the spring shock absorber can repeatedly consume the received vibration force, the process from vibration to flattening of the track is further accelerated, meanwhile, due to the fact that the rotating shaft is connected with the pull rod in a rotating mode, the components in the pull rope, the spring shock absorber and the pull rod cannot be damaged when the angle is changed due to the fact that the whole section of the pull rope, the spring shock absorber and the pull rod is lengthened, meanwhile, the distance between the two tracks can be kept through the adjusting turn buckle, the track is prevented from being partially deformed or deviated due to vibration, abrasion caused by track vibration in the running process of the train is effectively reduced, and the service life of the track is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;
FIG. 3 is a schematic view of a connecting socket according to the present invention;
the reference numbers in the figures denote:
1. a subway tunnel; 2. a sound-controlled lamp; 3. a reflective plate; 4. a frame plate; 5. a lamp shade; 6. a reflection block; 7. a sound receptor; 8. a sound absorbing pad; 9. a reflective trough; 10. a concrete cushion; 11. a support plate; 12. concrete sleeper; 13. a rail; 14. a holder; 141. adjusting a rod; 142. a turn buckle; 15. pulling a rope; 16. a spring damper; 17. a pull rod; 18. a connecting seat; 181. connecting a plate; 182. a rotating shaft; 183. and a bearing.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 1 to 3, the tunnel with the damping track structure includes a subway tunnel 1, a sound control lamp 2 is disposed on the top of the inner wall surface of the subway tunnel 1, reflection plates 3 are disposed on both sides of the sound control lamp 2, a frame plate 4 is disposed on the lower portion of the sound control lamp 2, a lampshade 5 is disposed inside the frame plate 4, a reflection block 6 is disposed on the top of the lampshade 5, a sound sensor 7 located on the left side of the lampshade 5 is disposed on the bottom of the frame plate 4, and the sound sensor 7 is electrically connected with the sound control lamp 2; the utility model discloses a subway tunnel 1, including subway tunnel 1, sound absorbing pad 8, reflection tank 9 has all been seted up on the wall in two sound absorbing pad 8 facies, the fixed concrete cushion 10 that is provided with in bottom of 1 internal face of subway tunnel, the fixed backup pad 11 that is provided with in top of concrete cushion 10, the top of backup pad 11 is provided with concrete sleeper 12, the both sides of concrete sleeper 12 top face all are provided with rail 13, connect through setting up keeper 14 between the rail 13 of both sides, the outside of two rail 13 is all rotated and is connected with stay cord 15, the inner and the rail 13 of stay cord 15 are connected, the outer end of stay cord 15 is provided with spring damper 16, spring damper 16's outer end is provided with pull rod 17, the outer end of pull rod 17 is connected with subway tunnel 1's internal face through setting up connecting seat 18.
The cross section of subway tunnel 1 is round structure, and 1 top face fixed mounting of subway tunnel has sound control lamp 2, and sound control lamp 2 is LED lamp and quantity for a plurality of, and 2 equidistance distributions of sound control lamp are at the top of 1 inside wall of subway tunnel, and the equal fixed mounting in both sides of sound control lamp 2 has reflecting plate 3, and the surface of reflecting plate 3 is mirror surface structure, and the camber setting is personally submitted to the bottom of reflecting plate 3.
The two sides of the frame plate 4 are fixedly connected with the inner wall surface of the subway tunnel 1, the lampshade 5 is fixedly mounted on the inner side of the frame plate 4, the bottom surface of the lampshade 5 is arranged in a sand surface mode, and the lampshade 5 is made of transparent hard materials.
The center of the top surface of the lampshade 5 is fixedly provided with a reflecting block 6, the cross section of the reflecting block 6 is of a triangular structure, and the outer surface of the reflecting block 6 is provided with a reflecting coating.
The sound absorption pads 8 are fixedly mounted on two sides of the subway tunnel 1, the sound absorption pads 8 are sponge sound absorption pads, the outer wall surfaces of the sound absorption pads 8 are attached to the inner wall surfaces of the two sides of the subway tunnel 1, and irregular reflection grooves 9 are formed in the inner wall surfaces of the sound absorption pads 8.
The top surface of the supporting plate 11 is fixedly connected with the bottom surface of the concrete sleeper 12, two rails 13 which are distributed in a flat shape are non-detachably arranged on two sides of the top surface of the concrete sleeper 12, and a retaining piece 14 is fixedly arranged between the two rails 13.
The holder 14 includes a turn buckle 142 and an adjusting rod 141, two adjusting rods 141 are symmetrically arranged on two sides of the turn buckle 142, and outer ends of the two adjusting rods 141 are respectively fixedly connected to the two rails 13 on two sides.
The pull rope 15 is a multi-strand stainless steel rope, and the pull rope 15 is in a tension state between the rail 13 and the spring damper 16.
The connecting seat 18 comprises a rotating shaft 182 and a bearing 183 arranged outside the rotating shaft 182, the outer wall surface of the rotating shaft 182 is fixedly connected with the inner wall surface of the bearing 183, the outer wall surface of the bearing 183 is fixedly connected with the end of the pull rod 17, the top and the bottom of the rotating shaft 182 are both fixed with a connecting plate 181, and the connecting plate 181 is fixedly installed on the inner wall surface of the subway tunnel 1.
The working principle of the invention is as follows:
when the invention is used, firstly, a train runs in a subway tunnel 1, sound waves generated by the train are transmitted forwards and received by a sound receptor 7, the sound receptor 7 is electrically connected with a sound control lamp 2, so that the sound control lamp 2 is lightened, light rays emitted by the lightened sound control lamp 2 are divided into two paths of photoelectricity to be irradiated on a lampshade 5 through double reflection of a reflecting block 6 and a reflecting plate 3, the interior of the subway tunnel 1 is lightened through the transparent lampshade 5, the bottom surface of the lampshade 5 is arranged as a sand surface, the irradiated light rays are softer, the influence of the dazzling on the sight of train passengers is prevented, meanwhile, the sound waves diffused to two sides when the train runs are impacted on sound absorption pads 8 at two sides of the subway tunnel 1, the sound absorption pads 8 of a sponge can effectively absorb sound, meanwhile, irregular type reflecting grooves 9 arranged on the sound absorption pads 8 can reflect the sound disorderly to accelerate the consumption of sound energy, through the arrangement, the sound control lamp 2 is only turned on when a train passes, so that the energy is saved and the environment is protected while lighting is carried out, most of noise generated in the running process of the train is absorbed, the running environment of the train is greatly purified, the anxiety of train drivers and other workers is effectively relieved, and a more comfortable working environment is provided for the train drivers and the workers; when a train passes through the subway tunnel 1, the train generates a certain vibration on the rail 13, the vibrating rail 13 pulls the spring damper 16 repeatedly through the pull rope 15, the spring damper 16 has a certain elastic force and can repeatedly consume the received vibration force, and further the process from vibration to leveling of the rail 13 is accelerated, meanwhile, the rotating shaft 182 is rotatably connected with the pull rod 17 through the bearing 183, so that the pull rope 15, the spring damper 16 and the pull rod 17 cannot be damaged when the whole section is elongated to cause angle change, meanwhile, the distance between the two rails 13 can be kept by the holding piece 14 through adjusting the two adjusting rods 141 on the two sides of the turn buckle 142, the rail 13 is prevented from being partially deformed or deviated due to vibration, further, the abrasion caused by rail vibration in the train running process is effectively slowed down, and the service life of the rail is prolonged.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a take shock attenuation track structure's tunnel which characterized in that: the subway tunnel comprises a subway tunnel (1), wherein a sound control lamp (2) is arranged at the top of the inner wall surface of the subway tunnel (1), reflecting plates (3) are arranged on two sides of the sound control lamp (2), a frame plate (4) is arranged on the lower portion of the sound control lamp (2), a lampshade (5) is arranged inside the frame plate (4), a reflecting block (6) is arranged at the top of the lampshade (5), a sound receptor (7) positioned on the left side of the lampshade (5) is arranged at the bottom of the frame plate (4), and the sound receptor (7) is electrically connected with the sound control lamp (2); the subway tunnel is characterized in that sound absorption pads (8) are arranged on two sides of the inner wall face of the subway tunnel (1), reflection grooves (9) are formed in the opposite wall faces of the two sound absorption pads (8), a concrete cushion layer (10) is fixedly arranged at the bottom of the inner wall face of the subway tunnel (1), a supporting plate (11) is fixedly arranged at the top of the concrete cushion layer (10), concrete sleepers (12) are arranged at the top of the supporting plate (11), rails (13) are arranged on two sides of the top face of each concrete sleeper (12), the rails (13) on the two sides are connected through a retaining piece (14), pull ropes (15) are rotatably connected to the outer sides of the two rails (13), the inner ends of the pull ropes (15) are connected with the rails (13), spring dampers (16) are arranged at the outer ends of the pull ropes (15), pull rods (17) are arranged at the outer ends of the spring dampers (16), and connecting seats (18) are arranged at the outer ends of the pull.
2. A tunnel with a shock absorbing track structure as claimed in claim 1, wherein: the cross section of subway tunnel (1) is circular structure, and subway tunnel (1) top face fixed mounting has sound control lamp (2), and sound control lamp (2) are LED lamp and quantity for a plurality of, and sound control lamp (2) equidistance distributes at the top of subway tunnel (1) inside wall, and the equal fixed mounting in both sides of sound control lamp (2) has reflecting plate (3), and the surface of reflecting plate (3) is the mirror surface structure, and the camber setting is personally submitted to the bottom of reflecting plate (3).
3. A tunnel with a shock absorbing track structure as claimed in claim 1, wherein: the two sides of the frame plate (4) are fixedly connected with the inner wall surface of the subway tunnel (1), the inner side of the frame plate (4) is fixedly provided with a lampshade (5), the bottom surface of the lampshade (5) is in a sand surface arrangement, and the lampshade (5) is made of transparent hard materials.
4. A tunnel with a shock absorbing track structure as claimed in claim 3, wherein: the center of the top surface of the lampshade (5) is fixedly provided with a reflecting block (6), the cross section of the reflecting block (6) is of a triangular structure, and the outer surface of the reflecting block (6) is provided with a reflecting coating.
5. A tunnel with a shock absorbing track structure as claimed in claim 3, wherein: the sound absorption pad (8) is fixedly mounted on each of two sides of the subway tunnel (1), the sound absorption pads (8) are sponge sound absorption pads, the outer wall surfaces of the sound absorption pads (8) are attached to the inner wall surfaces of the two sides of the subway tunnel (1), and irregular reflection grooves (9) are formed in the inner wall surfaces of the sound absorption pads (8).
6. A tunnel with a shock absorbing track structure as claimed in claim 1, wherein: the top surface of the supporting plate (11) is fixedly connected with the bottom surface of the concrete sleeper (12), two rails (13) which are distributed in a flat mode are installed on two sides of the top surface of the concrete sleeper (12) in an undetachable mode, and a retaining piece (14) is fixedly installed between the two rails (13).
7. A tunnel with a shock absorbing track structure as claimed in claim 6, wherein: the retaining piece (14) comprises a turn buckle (142) and adjusting rods (141), two adjusting rods (141) are arranged on two sides of the turn buckle (142) in a symmetrical structure, and the outer end heads of the two adjusting rods (141) are fixedly connected with the two rails (13) on two sides respectively.
8. A tunnel with a shock absorbing track structure as claimed in claim 1, wherein: the pull rope (15) is a multi-strand stainless steel rope, and the pull rope (15) is in a tightening state between the rail (13) and the spring shock absorber (16).
9. A tunnel with a shock absorbing track structure as claimed in claim 1, wherein: the connecting seat (18) comprises a rotating shaft (182) and a bearing (183) arranged outside the rotating shaft (182), the outer wall surface of the rotating shaft (182) is fixedly connected with the inner wall surface of the bearing (183), the outer wall surface of the bearing (183) is fixedly connected with the end of the pull rod (17), the top and the bottom of the rotating shaft (182) are both fixed with a connecting plate (181), and the connecting plate (181) is fixedly installed on the inner wall surface of the subway tunnel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141807.9A CN112252091A (en) | 2020-10-22 | 2020-10-22 | Tunnel with damping track structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011141807.9A CN112252091A (en) | 2020-10-22 | 2020-10-22 | Tunnel with damping track structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112252091A true CN112252091A (en) | 2021-01-22 |
Family
ID=74264616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011141807.9A Withdrawn CN112252091A (en) | 2020-10-22 | 2020-10-22 | Tunnel with damping track structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112252091A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164718A (en) * | 2021-11-10 | 2022-03-11 | 中铁二局集团有限公司 | Reinforced temporary guide rail system and installation method |
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| CN205329431U (en) * | 2016-01-06 | 2016-06-22 | 武汉东湖学院 | High -efficient abatvoix of underground railway track |
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| CN109082951A (en) * | 2018-08-13 | 2018-12-25 | 王权势 | A kind of vcehicular tunnel vibration and noise reducing structure and its construction method |
| CN109403160A (en) * | 2018-11-19 | 2019-03-01 | 中铁第四勘察设计院集团有限公司 | A kind of track deformation control structure in earthquake large deformation section Railway Tunnel |
| CN208668166U (en) * | 2018-07-23 | 2019-03-29 | 吉林铁道勘察设计院有限公司 | A kind of novel subway is without pillow formula solid concrete roabed |
| CN110206066A (en) * | 2019-06-06 | 2019-09-06 | 中国十七冶集团有限公司 | A kind of bulkhead construction and construction process |
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2020
- 2020-10-22 CN CN202011141807.9A patent/CN112252091A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103276664A (en) * | 2011-04-27 | 2013-09-04 | 清华大学 | Piezoelectric energy-harvesting tuned mass damper |
| CN103434436A (en) * | 2013-07-31 | 2013-12-11 | 镇江康飞机器制造有限公司 | Carriage |
| CN203769839U (en) * | 2014-04-21 | 2014-08-13 | 杭州原景建设环境有限公司 | Tunnel fire-fighting emergency structure |
| CN204127835U (en) * | 2014-06-13 | 2015-01-28 | 北京京海宇通科技发展有限公司 | A kind of acoustic control induction LED Tunnel Lamp |
| KR101518284B1 (en) * | 2015-01-08 | 2015-05-07 | 김동세 | Construction method of the underground tunnel using the unification structure of the foundation and the slab |
| CN205329431U (en) * | 2016-01-06 | 2016-06-22 | 武汉东湖学院 | High -efficient abatvoix of underground railway track |
| CN208088030U (en) * | 2017-11-27 | 2018-11-13 | 郑嵘 | A kind of railway Zha Dao vibrations laying apparatus |
| CN208668166U (en) * | 2018-07-23 | 2019-03-29 | 吉林铁道勘察设计院有限公司 | A kind of novel subway is without pillow formula solid concrete roabed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114164718A (en) * | 2021-11-10 | 2022-03-11 | 中铁二局集团有限公司 | Reinforced temporary guide rail system and installation method |
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Application publication date: 20210122 |
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| WW01 | Invention patent application withdrawn after publication |