CN113914876B - Backfill device for small shield tunnel - Google Patents
Backfill device for small shield tunnel Download PDFInfo
- Publication number
- CN113914876B CN113914876B CN202111314811.5A CN202111314811A CN113914876B CN 113914876 B CN113914876 B CN 113914876B CN 202111314811 A CN202111314811 A CN 202111314811A CN 113914876 B CN113914876 B CN 113914876B
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- China
- Prior art keywords
- arc
- rod
- fixedly connected
- concrete
- shield tunnel
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- 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.)
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Links
- 238000007790 scraping Methods 0.000 claims abstract description 31
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 239000011440 grout Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a small shield tunnel backfilling device which comprises a sliding vehicle, wherein one side of the sliding vehicle is fixedly connected with a connecting rod, a conveying pipe is arranged on the connecting rod, one side of the connecting rod is provided with a suspender, the upper end of the suspender is positioned in a sliding rail, the lower end of the suspender is slidably connected with a first vertical rod, one side of the vertical rod is fixedly connected with a cross rod, one side of the cross rod is fixedly connected with a second vertical rod, the lower surface of the sliding rail is fixedly connected with a plurality of arc-shaped blocks, a plurality of arc-shaped blocks are arranged in an array, and the lower surface of the first vertical rod is fixedly connected with an arc-shaped scraping plate. According to the invention, the arc-shaped scraping plates scrape the surface of the bottom layer concrete up and down, so that the upper surface of the filled concrete forms a wave shape, when the upper layer is filled, the concrete is attached to the wave-shaped concrete on the surface of the bottom layer, the adsorption force is increased, so that the adsorption force between the two backfill layers is larger, and the two backfill layers are more embedded.
Description
Technical Field
The invention belongs to the field of shield tunnel backfill, and particularly relates to a small shield tunnel backfill device.
Background
The construction method of large shield expansion excavation small shield construction is a subway construction mode initiated in China, and means a shield construction method of expanding excavation of a subway station by using a small shield segment with the diameter of 6.7 m and the diameter of 8.8 m. The backfilling of the small shield tunnel is carried out in a layered and segmented mode, the backfilling material is concrete with good fluidity, the backfilling is carried out in 3 layers, the first layer is backfilled to the position 1.5m above the tunnel bottom, the second layer is backfilled to the position 4m above the tunnel bottom, and the third layer is backfilled to the top of the tunnel bottom. One layer of backfill is not cast in place in a segmented way, and the second layer of backfill is carried out in a segmented way.
When the tunnel is filled in layers, after the bottom layer is filled and solidified, when the upper layer of the bottom layer is backfilled, the bottom layer is solidified, so that the layering phenomenon of the two layers of concrete is generated, the adsorption force between the two layers of concrete is smaller, the layering phenomenon of the two layers of concrete is generated, and the jogging between the two layers of backfilled concrete can be influenced.
Disclosure of Invention
The invention aims to provide a backfill device for a small shield tunnel.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a little shield tunnel backfill device, includes the slide rail, and the slide rail is laid at the tunnel top, is equipped with the slide carriage on the slide rail, slide carriage one side fixed connection connecting rod, be equipped with the transportation pipe on the connecting rod, one side of connecting rod is equipped with the jib, the upper end of jib is located the slide rail, the first montant of lower extreme sliding connection of jib, one side fixed connection horizontal pole of montant, one side fixed connection second montant of horizontal pole, the lower fixed surface of slide rail connects a plurality of arc pieces, and is a plurality of arc piece array sets up, the lower fixed surface of first montant connects the arc scraper blade.
Preferably, a square groove is formed in the suspender, a sliding block is connected in the square groove in a sliding mode, the lower surface of the sliding block is fixedly connected with a first vertical rod, the first vertical rod penetrates through the lower surface of the suspender and extends into the square groove, and a first spring is fixedly connected between the sliding block and the lower bottom surface of the square groove.
Preferably, the upper surface of the second vertical rod is fixedly connected with a rotating seat, the rotating seat is rotationally connected with a roller, and the roller is matched with the arc-shaped block.
Preferably, one side of the suspender is rotationally connected with the rotating rod, one side of the rotating rod is fixedly connected with the hinging seat, and the connecting rod is hinged with the hinging seat.
Preferably, the equal fixed connection mounting bracket in both sides of jib, two rotate on the mounting bracket and connect the gear, one side fixed connection link of second montant, fixed connection rack on the link, the rack is located between two gears, the both sides of rack all are equipped with the tooth, rack and gear engagement, two equal fixed connection poke rod on the gear, the both sides of arc scraper blade all are equipped with the standing groove, the lateral wall of standing groove is equipped with the arc and leads to the groove, sliding connection arc slider on the arc leads to the groove, one side fixed connection straight scraper blade of arc slider, one side rotation connection round bar of poke rod, round bar and arc slider fixed connection.
Preferably, one side of the arc-shaped sliding block is fixedly connected with an arc-shaped cover plate, and the arc-shaped cover plate is positioned on one side of the arc-shaped scraping plate.
Preferably, the lower surface of arc scraper blade is equipped with the mounting groove, the mounting groove is linked together with two standing grooves, the limiting plate is connected in the mounting groove sliding, the vertical scraper blade of lower fixed surface connection of limiting plate, the upper surface of limiting plate and the last bottom surface fixed connection second spring of mounting groove, one side fixed connection arc of arc slider, one side of arc is equipped with first inclined plane, first inclined plane on the arc can be with the limiting plate contact.
Preferably, the two sides of the limiting plate are provided with second inclined planes.
The invention has the technical effects and advantages that: compared with the prior art, the backfill device for the small shield tunnel provided by the invention has the following advantages:
1. according to the invention, the rollers slide on the surfaces of the arc-shaped blocks, under the action of the first springs, the second vertical rods drive the first vertical rods to move up and down at the lower ends of the hanging rods to drive the arc-shaped scraping plates to move up and down, when the arc-shaped scraping plates move forward along with the hanging rods, the arc-shaped scraping plates scrape the surfaces of bottom concrete up and down, so that the upper surfaces of filled concrete form waves, meanwhile, the lower ends of the arc-shaped scraping plates are arc-shaped, the sections of the filled concrete are arc-shaped, and when the upper layers of tunnels are filled, the wavy surfaces of the bottom layers are beneficial to the adhesion between two adjacent layers of concrete, so that the embedding between the two layers of concrete is more stable.
2. According to the invention, the flat scraping plate is arranged, when the second vertical rod moves up and down, the rack is driven to move up and down, the gears on two sides are driven to rotate, the stirring rod is driven to rotate to two sides by the gears, the arc-shaped sliding block is driven by the stirring rod to slide upwards in the arc-shaped through groove, the flat scraping plate moves upwards along with the arc-shaped sliding block, part of concrete is scraped by the flat scraping plate in the movement process, part of concrete is smeared on a tunnel wall, and a concrete block higher than the concrete block of the bottom layer appears on the side wall of the tunnel at intervals, so that when the upper layer is filled, the concrete block stretches into the concrete layer of the upper layer, and when the concrete layer of the upper layer is solidified, the two concrete layers are embedded more tightly.
3. According to the invention, the first inclined surface of the arc-shaped plate upwards supports the limiting plate, the third spring is in a compression force accumulation state, when the arc-shaped sliding block upwards slides in the arc-shaped through groove, the arc-shaped plate is separated from the limiting plate, the third spring pushes the vertical scraping plate downwards to enable the vertical scraping plate to downwards slide and protrude from the mounting groove, when the arc-shaped scraping plate scrapes on the surface of bottom concrete, the vertical scraping plate scrapes the bottom concrete to enable deeper grooves to appear on the surface of the bottom, when the arc-shaped sliding block downwards slides in the arc-shaped through groove, the first inclined surface on the arc-shaped plate supports the limiting plate to enable the vertical scraping plate to upwards slide into the mounting groove, when the upper concrete is poured, the upper concrete is poured into the grooves, when the upper concrete is solidified, the two concrete layers are more tightly, and the embedding force between the two concrete layers is increased.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view of the structure at E in fig. 1.
Fig. 3 is a side view of the present invention.
Fig. 4 is an enlarged schematic view of the structure at F in fig. 3.
Fig. 5 is a schematic cross-sectional view of the structure at A-A in fig. 3.
Fig. 6 is a schematic cross-sectional view of the structure at B-B in fig. 3.
Fig. 7 is a top view of the present invention.
Fig. 8 is a schematic view of the usage state of the present invention.
Fig. 9 is a schematic view of a bottom filling surface in a tunnel.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
The invention provides a small shield tunnel backfilling device as shown in figures 1-9, which comprises a slide rail 1, wherein the slide rail 1 is paved at the top of a tunnel, a slide carriage 11 is arranged on the slide rail 1, one side of the slide carriage 11 is fixedly connected with a connecting rod 12, a transport pipe 13 is arranged on the connecting rod 12, one side of the connecting rod 12 is fixedly connected with a rotating rod 24, one side of the rotating rod 24 is fixedly connected with a hinging seat 25, the connecting rod 12 is hinged with the hinging seat 25, the upper end of the hanging rod 14 is positioned in the slide rail 1, the lower end of the hanging rod 14 is slidingly connected with a first vertical rod 15, a square groove is arranged in the hanging rod 14, a sliding block 2 is slidingly connected in the square groove, the lower surface of the sliding block 2 is fixedly connected with the first vertical rod 15, the first vertical rod 15 penetrates through the lower surface of the hanging rod 14 and extends into the square groove, a first spring 21 is fixedly connected between the sliding block 2 and the lower bottom surface of the square groove, one side of the vertical rod is fixedly connected with a cross rod 16, one side of the cross rod 16 is fixedly connected with a second vertical rod 17, the lower surface of the sliding block 1 is fixedly connected with a plurality of arc-shaped blocks 18, an array of arc-shaped blocks 18 is arranged, the upper surface of the second vertical rod 17 is fixedly connected with the upper surface of the rotating seat 22, and the arc-shaped blocks 22 are fixedly connected with the arc-shaped rolling wheels 23, and the arc-shaped rolling wheels are matched with the arc-shaped seats 19; this device is used for the inside layering backfill of tunnel, need set up shaft 200 between tunnel and ground during the use, grout car 100 is located ground and slide car 11 and cooperatees, grout car 100 is prior art product, do not do too much in this and describe, fill the concrete of bottom earlier, slide car 11 slides on slide rail 1, promote jib 14 and slide on slide rail 1, the in-process of sliding, grout car 100 carries into the tunnel through transportation pipe 13 with the filling concrete, the in-process of sliding, gyro wheel 23 of second montant 17 upper end slides on the arc piece 18 surface, under the effect of first spring 21, make second montant 17 drive first montant 15 at the lower extreme up-and-down motion of jib 14, drive arc scraper 19 up-and-down motion, when arc scraper 19 advances along with jib 14, arc scraper 19 scrapes the surface of bottom concrete from top to bottom, make the concrete upper surface of filling form the wave, simultaneously because the lower extreme of arc scraper 19 is the arc, make the cross-section of filling concrete be the arc, when filling the tunnel upper strata is carried out to fill, the bottom wavy surface helps between the adjacent two-layer concrete laminating, make the surface between two-layer more firm and more firm contact between the concrete, the two-layer surface between the two-layer and the more firm contact between the concrete.
The two sides of the boom 14 are fixedly connected with the mounting frames 26, the two mounting frames 26 are rotatably connected with the gears 27, one side of the second vertical rod 17 is fixedly connected with the connecting frame 28, the connecting frame 28 is fixedly connected with the rack 29, the rack 29 is positioned between the two gears 27, the two sides of the rack 29 are respectively provided with teeth, the rack 29 is meshed with the gears 27, the two gears 27 are respectively fixedly connected with the poking rod 3, the two sides of the arc scraping plate 19 are respectively provided with a placing groove, the side wall of the placing groove is provided with an arc through groove, the arc through groove is slidably connected with the arc sliding block 31, one side of the arc sliding block 31 is fixedly connected with the straight scraping plate 32, one side of the poking rod 3 is rotatably connected with the round rod 38, the round rod 38 is fixedly connected with the arc sliding block 31, one side of the arc sliding block 31 is fixedly connected with the arc cover plate 33, and the arc cover plate 33 is positioned on one side of the arc scraping plate 19; in the moving process of the device, when the second vertical rod 17 moves up and down, the rack 29 is driven to move up and down, when the rack 29 moves down, the gears 27 on two sides are driven to rotate, the gear 27 drives the poking rod 3 to rotate towards two sides, the poking rod 3 drives the arc sliding block 31 to slide upwards in the arc through groove, the straight scraping plate 32 moves upwards along with the arc sliding block 31, in the moving process, the straight scraping plate 32 scrapes part of concrete, part of concrete is smeared on a tunnel wall, the bottom concrete is enabled to appear a concrete block 300 higher than the bottom concrete at intervals on the side wall of the tunnel, so when the upper layer is filled, the concrete block 300 stretches into the upper concrete layer, and when the upper concrete layer is solidified, the embedding between the two concrete layers is enabled to be tighter.
The lower surface of the arc-shaped scraping plate 19 is provided with a mounting groove which is communicated with two placing grooves, the lower surface of the limiting plate 34 is fixedly connected with a vertical scraping plate 36 in a sliding manner, the upper surface of the limiting plate 34 is fixedly connected with the upper bottom surface of the mounting groove, a second spring 35 is fixedly connected with one side of the arc-shaped sliding block 31, one side of the arc-shaped sliding block 37 is provided with a first inclined surface 4, the first inclined surface 4 on the arc-shaped sliding block 37 can be in contact with the limiting plate 34, and two sides of the limiting plate 34 are respectively provided with a second inclined surface 41; the first inclined plane 4 of the arc plate 27 supports the limiting plate 34 upwards, the third spring 35 is in a compression force accumulation state, when the arc slide block 31 slides upwards in the arc through groove, the arc plate 27 is separated from contact with the limiting plate 24, the third spring 35 pushes the vertical scraping plate 36 downwards to enable the vertical scraping plate 36 to slide downwards and protrude from the mounting groove, when the arc scraping plate 19 scrapes on the surface of bottom concrete, the vertical scraping plate 36 scrapes the bottom concrete to enable deeper grooves 400 to appear on the surface of the bottom, when the arc slide block 31 slides downwards in the arc through groove, the first inclined plane 4 on the arc plate 27 supports the limiting plate 34 to enable the vertical scraping plate 36 to slide upwards and enter the mounting groove, when the upper concrete is poured, the upper concrete is poured into the grooves 400, when the upper concrete is solidified, the two concrete layers are more tightly, and the embedding force between the two concrete layers is increased.
During the use, the slip truck 11 slides on slide rail 1, promote jib 14 and slide on slide rail 1, the slip in-process, grout car 100 will fill the concrete and carry into the tunnel through transportation pipe 13, the in-process slides, the gyro wheel 23 of second montant 17 upper end is at arc piece 18 surface slip, make second montant 17 drive first montant 15 at the lower extreme up-and-down motion of jib 14, drive arc scraper 19 and scrape the surface of bottom layer concrete, make the concrete upper surface that fills form the wave, when second montant 17 up-and-down motion, drive rack 29 up-and-down motion, drive the gear 27 rotation of both sides when rack 29 moves down, gear 27 drives toggle rod 3 to both sides rotation, toggle rod 3 drives arc slider 31 and upwards slides in the arc through groove, straight scraper 32 upwards moves along with arc slider 31, in-process straight scraper 32 scrapes partial concrete, make bottom layer concrete on the tunnel wall to appear being higher than bottom layer concrete piece 300 of concrete at a certain distance on the tunnel sidewall, when arc slider 31 is in the vertical through groove, when the scraper 36 is followed to the vertical scraper 36 of sliding plate 24, make the bottom layer 36 and the arc slider 36 is more vertical to the bottom layer is scraped to the vertical groove, the 13 is contacted to the bottom layer 36, the arc is more vertical to the bottom layer is scraped to the scraper plate 36 when the arc slider is in the vertical groove is contacted to the 36.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a little shield tunnel backfill device, includes slide rail (1), and slide rail (1) are laid at the tunnel top, are equipped with slide car (11), its characterized in that on slide rail (1): the utility model discloses a sliding vehicle, including slide car (11), connecting rod (12), be equipped with transportation pipe (13) on connecting rod (12), one side of connecting rod (12) is equipped with jib (14), the upper end of jib (14) is located slide rail (1), the lower extreme sliding connection first montant (15) of jib (14), one side fixed connection horizontal pole (16) of first montant, one side fixed connection second montant (17) of horizontal pole (16), the lower fixed surface of slide rail (1) connects a plurality of arc piece (18), a plurality of arc piece (18) array sets up, the lower fixed surface of first montant (15) connects arc scraper blade (19).
2. The small shield tunnel backfill device of claim 1, wherein: the lifting rod is characterized in that a square groove is formed in the lifting rod (14), the sliding block (2) is connected in the square groove in a sliding mode, the lower surface of the sliding block (2) is fixedly connected with a first vertical rod (15), the first vertical rod (15) penetrates through the lower surface of the lifting rod (14) and extends into the square groove, and a first spring (21) is fixedly connected between the sliding block (2) and the lower bottom surface of the square groove.
3. The small shield tunnel backfill device of claim 1, wherein: the upper surface of the second vertical rod (17) is fixedly connected with a rotating seat (22), a roller (23) is rotatably connected to the rotating seat (22), and the roller (23) is matched with the arc-shaped block (18).
4. The small shield tunnel backfill device of claim 1, wherein: one side of the boom (14) is rotatably connected with a rotating rod (24), one side of the rotating rod (24) is fixedly connected with a hinging seat (25), and the connecting rod (12) is hinged with the hinging seat (25).
5. The small shield tunnel backfill device of claim 1, wherein: the utility model discloses a novel arc scraping device for the automobile, including jib (14), rack (29) and gear (27) meshing, two equal fixed connection poking rod (3) on gear (27), the both sides of arc scraping plate (19) all are equipped with the standing groove, the lateral wall of standing groove is equipped with arc logical groove, sliding connection arc slider (31) on the arc logical groove, one side fixed connection straight scraping plate (32) of arc slider (31), one side rotation connection round bar (38) of poking rod (3), round bar (38) and arc slider (31) fixed connection of poking rod (3).
6. The small shield tunnel backfill device of claim 5, wherein: one side of the arc-shaped sliding block (31) is fixedly connected with an arc-shaped cover plate (33), and the arc-shaped cover plate (33) is positioned on one side of the arc-shaped scraping plate (19).
7. The small shield tunnel backfill device of claim 5, wherein: the lower surface of arc scraper blade (19) is equipped with the mounting groove, the mounting groove is linked together with two standing grooves, limiting plate (34) is connected in the mounting groove sliding, vertical scraper blade (36) is connected to the lower surface fixed connection of limiting plate (34), the upper surface of limiting plate (34) and the last bottom surface fixed connection second spring (35) of mounting groove, one side fixed connection arc (37) of arc slider (31), be equipped with first inclined plane (4) on one side of arc (37), first inclined plane (4) on arc (37) can be with limiting plate (34) contact.
8. The small shield tunnel backfill device of claim 7, wherein: the two sides of the limiting plate (34) are provided with second inclined planes (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314811.5A CN113914876B (en) | 2021-11-08 | 2021-11-08 | Backfill device for small shield tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314811.5A CN113914876B (en) | 2021-11-08 | 2021-11-08 | Backfill device for small shield tunnel |
Publications (2)
| Publication Number | Publication Date |
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| CN113914876A CN113914876A (en) | 2022-01-11 |
| CN113914876B true CN113914876B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111314811.5A Active CN113914876B (en) | 2021-11-08 | 2021-11-08 | Backfill device for small shield tunnel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704299B (en) * | 2022-03-30 | 2024-08-16 | 福建江夏学院 | Device for quick construction of tunnel primary support with mould sprayed concrete |
| CN114718318B (en) * | 2022-04-22 | 2022-12-27 | 巩义市保卫公路工程有限公司 | Concrete placement device for building |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018109270A (en) * | 2016-12-28 | 2018-07-12 | 川崎重工業株式会社 | Shape holding device and shield machine |
| CN108843857A (en) * | 2018-07-03 | 2018-11-20 | 四川先舟建设工程有限公司 | A kind of municipal pipeline constructing device and construction method |
| CN108918670A (en) * | 2018-06-07 | 2018-11-30 | 南宁中铁广发轨道装备有限公司 | A kind of shield tunnel construction slip casting real-time detection platform |
| US20190330984A1 (en) * | 2017-06-21 | 2019-10-31 | Tongji University | Loaded-To-Frame Detection Equipment for Backfill Grouting of Shield Tunnel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2876338B2 (en) * | 1990-07-27 | 1999-03-31 | 三井建設株式会社 | Shield backfill device |
-
2021
- 2021-11-08 CN CN202111314811.5A patent/CN113914876B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018109270A (en) * | 2016-12-28 | 2018-07-12 | 川崎重工業株式会社 | Shape holding device and shield machine |
| US20190330984A1 (en) * | 2017-06-21 | 2019-10-31 | Tongji University | Loaded-To-Frame Detection Equipment for Backfill Grouting of Shield Tunnel |
| CN108918670A (en) * | 2018-06-07 | 2018-11-30 | 南宁中铁广发轨道装备有限公司 | A kind of shield tunnel construction slip casting real-time detection platform |
| CN108843857A (en) * | 2018-07-03 | 2018-11-20 | 四川先舟建设工程有限公司 | A kind of municipal pipeline constructing device and construction method |
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Inventor after: Kang Longjie Inventor after: Shi Zhiyong Inventor after: Pan Weidong Inventor after: Pan Wei Inventor after: Shi Haojie Inventor after: Yang Wenguang Inventor after: Guo Zhimin Inventor after: Wang Shuai Inventor after: Zhang Minjie Inventor after: Zhang Cunwei Inventor after: Sun Haizhen Inventor after: Zhang Liang Inventor after: Hai Yang Inventor before: Kang Longjie Inventor before: Shi Zhiyong Inventor before: Pan Weidong Inventor before: Pan Wei Inventor before: Shi Haojie Inventor before: Yang Wenguang Inventor before: Guo Zhimin Inventor before: Wang Shuai Inventor before: Zhang Minjie Inventor before: Zhang Cunwei Inventor before: Sun Haizhen Inventor before: Zhang Liang Inventor before: Hai Yang |
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