CN114837220B - Built high-pressure pipe gallery non-uniform settlement's intraductal reinforcing apparatus - Google Patents
Built high-pressure pipe gallery non-uniform settlement's intraductal reinforcing apparatus Download PDFInfo
- Publication number
- CN114837220B CN114837220B CN202210310094.7A CN202210310094A CN114837220B CN 114837220 B CN114837220 B CN 114837220B CN 202210310094 A CN202210310094 A CN 202210310094A CN 114837220 B CN114837220 B CN 114837220B
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- Prior art keywords
- rod
- positioning
- base
- sliding
- pipe gallery
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- 230000003014 reinforcing effect Effects 0.000 title claims description 11
- 238000011065 in-situ storage Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
The application relates to a built intraductal reinforcement controlling means of high-pressure piping lane differential settlement, the on-line screen storage device comprises a base, the bolt hole is seted up to the base, wears to establish the bolt in the bolt hole, is fixed in piping lane normal position bottom plate with the base through the bolt, set firmly the pole setting on the base, base one end is kept away from to the pole setting is provided with the footstock, and the base supports at piping lane normal position roof, the pole setting is close to base one end and is provided with the bracing piece, the bracing piece supports in piping lane settlement roof. The application has the effect of reducing the influence of uneven settlement on the foundation pit.
Description
Technical Field
The application relates to the field of building reinforcement, in particular to an in-pipe reinforcement device for uneven settlement of a built high-pressure pipe gallery.
Background
Piping lane is an urban infrastructure by centralizing electric power, communication, feedwater, heating, gas, etc. lines to the same underground space below the roadway. As urban construction is accelerated, new underground structure projects and deep foundation pit projects are increasingly built; especially, foundation pit engineering with deep depth, large area and short construction period, which is close to the existing pipe gallery, is developed. Construction can produce a range of formation disturbances, resulting in uneven settlement of pipe lanes within the interval.
Aiming at pipe gallery settlement, the existing method is to arrange an upright rod in foundation pit engineering, and support the pipe gallery through the upright rod, so that the pipe gallery is limited from continuously settling.
For the above related art, the inventor believes that the existing anti-sedimentation method needs to set up a supporting rod in the foundation pit, which has a great influence on the foundation pit.
Disclosure of Invention
In order to reduce the influence of uneven sedimentation on a foundation pit, the application provides an in-pipe reinforcing device for uneven sedimentation of an established high-pressure pipe gallery.
The application provides a built intraductal reinforcing apparatus of high-pressure piping lane differential settlement, adopts following technical scheme:
the utility model provides a built intraductal reinforcing apparatus of high-pressure pipe gallery differential settlement, includes the base, the bolt hole is seted up to the base, wears to establish the bolt in the bolt hole, is fixed in pipe gallery normal position bottom plate with the base through the bolt, set firmly the pole setting on the base, base one end is kept away from to the pole setting is provided with the footstock, and the base supports at pipe gallery normal position roof, the pole setting is close to base one end and is provided with the bracing piece, the bracing piece supports in pipe gallery subsides the roof.
Through adopting above-mentioned technical scheme, through pole setting support pipe gallery is whole, through the bracing piece of highly being less than the roof simultaneously, supports the region that appears uneven settlement, reduces the probability that uneven settlement region continues to subside to reduce the influence of uneven settlement to the foundation ditch.
Optionally, the pole setting includes dead lever and slide bar, the dead lever sets firmly on the base, slide bar cover is located on the dead lever, and slide bar slides along dead lever length direction, the footstock sets firmly in slide bar one end that deviates from the dead lever.
Through adopting above-mentioned technical scheme, the pole setting divide into dead lever and sliding bar, can make things convenient for the regulation of pole setting length to make the pole setting can be applicable to the piping lane of different co-altitude.
Optionally, be provided with locating component in the dead lever, locating component includes locating lever and driving piece, the locating lever has a plurality ofly, and a plurality of locating levers all slide and set up in the dead lever, and locating lever perpendicular to dead lever length direction slides, and the locating lever stretches out the dead lever butt in the pole inner wall that slides through sliding, the driving piece sets up in the dead lever, and driving piece drive locating lever slides.
Through adopting above-mentioned technical scheme, the setting of locating component can fix a position the slide bar.
Optionally, the driving piece includes gangbar and catch bar, the gangbar slides and sets up in the dead lever, and the gangbar slides along dead lever length direction, catch bar perpendicular to dead lever length direction slides, and catch bar one end runs through the dead lever and stretches into in the bolt hole, the wedge face is all seted up at gangbar length direction both ends, and gangbar one end wedge face butt locating lever, gangbar other end wedge face butt catch bar.
Through adopting above-mentioned technical scheme, the setting of driving piece can be fixed the pole that slides in fixed bottom plate.
Optionally, a chamfer is formed on one side of the pushing rod extending into the bolt hole and facing the sliding rod.
Through adopting above-mentioned technical scheme, the setting of chamfer can make things convenient for the drive to the catch bar when the bolt is installed.
Optionally, be provided with the butt subassembly in the slide bar, the butt subassembly includes butt spring and butt piece, the butt spring is placed in the slide bar, the butt piece sets firmly in butt spring towards dead lever one end, and the butt piece butt is on the dead lever, and butt spring drive butt piece slides towards the dead lever direction.
Through adopting above-mentioned technical scheme, the setting of butt subassembly makes the length of standing bar be in the state of adaptation piping lane all the time.
Optionally, the location ratchet has been seted up to the slide bar inner wall, the location ratchet is seted up along slide bar length direction, the locating lever is provided with the location pawl towards location ratchet one side, location pawl and location ratchet looks adaptation, when location ratchet and location pawl meshing, restriction slide bar slides towards the dead lever.
Through adopting above-mentioned technical scheme, setting of location ratchet and location pawl can further restrict the slip of slide bar to further restrict the piping lane subsides.
Optionally, a positioning groove is formed in the positioning rod, the positioning pawl slides in the positioning groove, the positioning pawl slides towards the direction away from or close to the positioning ratchet, a push spring is placed in the positioning groove, and the push spring pushes the positioning pawl to slide towards the direction of the positioning ratchet.
Through adopting above-mentioned technical scheme, the setting of pushing away the spring can guarantee the cooperation of location ratchet and location pawl.
In summary, the present application includes at least one of the following beneficial technical effects:
through the whole vertical rod supporting pipe gallery, the area with uneven settlement is supported through the supporting rod with the height lower than that of the top plate, the continuous settlement probability of the uneven settlement area is reduced, and therefore the influence of uneven settlement on the foundation pit is reduced;
the vertical rod is divided into a fixed rod and a sliding rod, so that the length of the vertical rod can be conveniently adjusted, and the vertical rod can be suitable for pipe galleries with different heights;
the driving piece is arranged to fix the sliding rod while fixing the bottom plate;
the abutting component is arranged to enable the length of the vertical rod to be always in a state of adapting to the pipe gallery;
the arrangement of the positioning ratchet and the positioning pawl can further limit the sliding of the sliding rod, thereby further limiting the sedimentation of the pipe gallery.
Drawings
Fig. 1 is a schematic overall structure of the present embodiment.
Fig. 2 is an enlarged view of the portion a in fig. 1.
Fig. 3 is an enlarged view of the portion B in fig. 1.
Reference numerals illustrate: 0. a support rod; 1. a tube lane in-situ roof; 2. a piping lane in-situ floor; 3. a tube lane sedimentation top plate; 4. a pipe gallery settlement bottom plate; 5. a base; 6. bolt holes; 7. a bolt; 8. a vertical rod; 81. a fixed rod; 82. a sliding rod; 9. a top base; 10. a positioning assembly; 101. a positioning rod; 102. a driving member; 1021. a linkage rod; 1022. a push rod; 11. a wedge surface; 12. chamfering; 13. an abutment assembly; 131. abutting against the spring; 132. an abutment block; 14. positioning ratchet teeth; 15. a positioning pawl; 16. a placement groove; 17. pushing the spring; 18. a return spring; 19. and a rebound spring.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
The embodiment of the application discloses intraductal reinforcing apparatus who has built high-pressure piping lane unevenly subsides, refer to fig. 1 and 2, including rectangle base 5, four bolt holes 6 are seted up to base 5, wear to establish bolt 7 in the bolt hole 6, be fixed in piping lane normal position bottom plate 2 with base 5 through bolt 7, set firmly rectangular pole setting 8 on the base 5, pole setting 8 is kept away from base 5 one end and is provided with rectangle footstock 9, base 5 supports in piping lane normal position roof 1, and fix on piping lane normal position roof 1 through bolt 7, pole setting 8 is close to base 5 one end welding and is provided with bracing piece 0, bracing piece 0 supports in piping lane subsides roof 3, the position of bracing piece 0 is according to the difference in height setting of piping lane subsides roof 3 and piping lane normal position roof 1, weld between bracing piece 0 and pole setting 8 has the reinforcement fin, the stand sets up in the piping lane through stand cooperation bracing piece 0, make subside the area through pole setting 8 and bracing piece 0 support in the non-subside area, thereby restrict the piping lane subside area subsides again, need not to set up the stand in the foundation ditch subsides simultaneously, can not influence the foundation ditch.
Referring to fig. 1, the upright rod 8 includes a fixing rod 81 fixedly arranged on the base 5 and a sliding rod 82 sleeved on the fixing rod 81, the sliding rod 82 slides along the length direction of the fixing rod 81, and the top seat 9 is fixedly arranged at one end of the sliding rod 82 deviating from the fixing rod 81.
Referring to fig. 2 and 3, a positioning assembly 10 is arranged in a fixed rod 81, the positioning assembly 10 comprises four positioning rods 101 which are arranged around the fixed rod 81 in a sliding manner and a driving piece 102 which is arranged in the fixed rod 81 in a sliding manner, the positioning rods 101 slide in the vertical direction of the length direction of the fixed rod 81, the positioning rods 101 extend out of the fixed rod 81 in a sliding manner to be abutted against the inner wall of a sliding rod 82 through sliding, the driving piece 102 comprises a linkage rod 1021 which is arranged in the fixed rod 81 in a sliding manner and a pushing rod 1022 which is arranged in the vertical direction of the length direction of the fixed rod 81 in a sliding manner, the linkage rod 1021 slides along the length direction of the fixed rod 81, four pushing rods 1022 are respectively extended into four bolt holes 6 through the fixed rod 81 at one ends, wedge faces 11 are respectively arranged at two ends of the length direction of the linkage rod 1021, wedge faces 11 at one ends of the linkage rod 1021 are abutted against the positioning rods 101, wedge faces 11 at the other ends of the linkage rod 1021 are abutted against the pushing rods 1022, the pushing rods 1022 can be driven through installation of bolts 7, the pushing rods 1022 can slide in the direction of the sliding rods 101 towards the direction of the positioning rods 101, and the sliding rods 1022 slide in the direction of the wedge faces 82 through the wedge faces 11, so that the sliding rods 1021 drive the positioning rods 101 slide in the sliding rods 82 slide in the direction to be limited to slide rod 82, and thus a fixed effect is achieved; one end of the pushing rod 1022 extending into the bolt hole 6 is provided with a chamfer 12 towards one side of the sliding rod 82, and the chamfer 12 is provided to facilitate the driving of the pushing rod 1022 by the bolt 7 when the bolt 7 is installed in the bolt hole 6.
Referring to fig. 2 and 3, a return spring 18 is provided between the positioning rod 101 and the fixing rod 81, the return spring 18 drives the positioning rod 101 to slide in the direction of the link rod 1021, a rebound spring 19 is provided between the push rod 1022 and the fixing rod 81, the rebound spring 19 drives the push rod 1022 to slide in the direction of the link rod 1021, and the positioning rod 101 or the push rod 1022 can be rebound and reset when the link rod 1021 is out of contact with the positioning rod 101 or the push rod 1022.
Referring to fig. 1 and 3, an abutment assembly 13 is disposed in the sliding rod 82, and the abutment assembly 13 includes an abutment spring 131 disposed in the sliding rod 82 and an abutment block 132 fixedly disposed at one end of the abutment spring 131 toward the fixing rod 81, the abutment block 132 being abutted against the fixing rod 81, the abutment spring 131 driving the abutment block 132 to slide toward the fixing rod 81; the inner wall of the sliding rod 82 is provided with positioning ratchets 14, the positioning ratchets 14 are uniformly arranged along the length direction of the sliding rod 82, one side of the positioning rod 101, facing the positioning ratchets 14, is provided with a placing groove 16, a push spring 17 is placed in the placing groove 16, one end of the push spring 17, far away from the bottom of the placing groove 16, is provided with a positioning pawl 15, the push spring 17 pushes the positioning pawl 15 to slide towards the positioning ratchets 14, and the positioning pawl 15 is matched with the positioning ratchets 14; when pole setting 8 needs to be stretched, under the cooperation on positioning pawl 15 and positioning ratchet 14 inclined plane, drive positioning pawl 15 compression push spring 17 slides and gets into in the standing groove 16, slide rod 82 can slide on dead lever 81 this moment, when the piping lane subsides once more, positioning pawl 15 and positioning ratchet 14 horizontal plane butt each other can restrict slide rod 82 and slide on dead lever 81, butt spring 131 cooperation positioning pawl 15 and positioning ratchet 14 can make stand base 5 and footstock 9 butt all the time on piping lane normal position bottom plate 2 and piping lane normal position roof 1, thereby make the stand adapt piping lane more.
The implementation principle of the embodiment of the application is as follows: when the pipe gallery is settled, if the settlement position is positioned at the edge of the pipe gallery, the pipe gallery settlement bottom plate 4 and the pipe gallery settlement top plate 3 are mutually connected due to pipe gallery side plates, if the settlement position is positioned in the middle, the pipe gallery settlement bottom plate 4 and the pipe gallery settlement top plate 3 are mutually connected through the upright posts in the settlement area, then the upright post top seat 9 and the base 5 welded with the support rods 0 are respectively arranged on the pipe gallery in-situ bottom plate 2 and the pipe gallery in-situ top plate 1, and the support rods 0 are abutted to the bottom of the pipe gallery settlement top plate 3 to limit further uneven settlement of the pipe gallery; when the upright is installed, the positioning rod 101 slides towards the linkage rod 1021, the positioning pawl 15 is separated from the positioning ratchet 14, the sliding column slides towards the fixed column, the base 5 is horizontally placed on the pipe gallery original position bottom plate 2, the sliding rod 82 is abutted to the pipe gallery original position top plate 1 under the elasticity of the abutting spring 131, the bolt 7 is installed in the bolt hole 6 of the base 5, the pushing rod 1022 pushes the linkage rod 1021, the linkage rod 1021 drives the positioning rod 101 to slide towards the inner wall of the sliding rod 82, the positioning pawl 15 is meshed in the positioning ratchet 14, and the reinforcement of the sliding rod 82 is completed.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (5)
1. An intraductal reinforcing apparatus of uneven subsidence of high-pressure pipe gallery has been built which characterized in that: the pipe gallery in-situ roof plate comprises a base (5), bolt holes (6) are formed in the base (5), bolts (7) penetrate through the bolt holes (6), the base (5) is fixed on a pipe gallery in-situ base plate (2) through the bolts (7), vertical rods (8) are fixedly arranged on the base (5), a footstock (9) is arranged at one end, far away from the base (5), of each vertical rod (8), the base (5) is supported on the pipe gallery in-situ roof plate (1), a supporting rod (0) is arranged at one end, close to the base (5), of each vertical rod (8), and the supporting rod (0) is supported on the pipe gallery in-situ roof plate (3); the vertical rod (8) comprises a fixed rod (81) and a sliding rod (82), the fixed rod (81) is fixedly arranged on the base (5), the sliding rod (82) is sleeved on the fixed rod (81), the sliding rod (82) slides along the length direction of the fixed rod (81), and the top seat (9) is fixedly arranged at one end, deviating from the fixed rod (81), of the sliding rod (82); the positioning assembly (10) is arranged in the fixed rod (81), the positioning assembly (10) comprises a plurality of positioning rods (101) and driving pieces (102), the positioning rods (101) are slidably arranged in the fixed rod (81), the positioning rods (101) slide in the length direction perpendicular to the fixed rod (81), the positioning rods (101) extend out of the fixed rod (81) through sliding to be abutted to the inner wall of the sliding rod (82), the driving pieces (102) are arranged in the fixed rod (81), and the driving pieces (102) drive the positioning rods (101) to slide; the driving piece (102) comprises a linkage rod (1021) and a pushing rod (1022), the linkage rod (1021) is slidably arranged in the fixing rod (81), the linkage rod (1021) is slidably arranged along the length direction of the fixing rod (81), the pushing rod (1022) is slidably arranged perpendicular to the length direction of the fixing rod (81), one end of the pushing rod (1022) penetrates through the fixing rod (81) and stretches into the bolt hole (6), wedge-shaped surfaces (11) are formed in two ends of the length direction of the linkage rod (1021), one end wedge-shaped surfaces (11) of the linkage rod (1021) are abutted to the locating rod (101), and the other end wedge-shaped surfaces (11) of the linkage rod (1021) are abutted to the pushing rod (1022).
2. An in-tube reinforcing apparatus for differential settlement of an established high pressure pipe rack as claimed in claim 1, wherein: one end of the pushing rod (1022) extending into the bolt hole (6) is provided with a chamfer (12) towards one side of the sliding rod (82).
3. An in-tube reinforcing apparatus for differential settlement of an established high pressure pipe rack as claimed in claim 2, wherein: the sliding rod (82) is internally provided with an abutting component (13), the abutting component (13) comprises an abutting spring (131) and an abutting block (132), the abutting spring (131) is arranged in the sliding rod (82), the abutting block (132) is fixedly arranged at one end of the abutting spring (131) towards the fixing rod (81), the abutting block (132) abuts against the fixing rod (81), and the abutting spring (131) drives the abutting block (132) to slide towards the fixing rod (81).
4. An in-tube reinforcing apparatus for differential settlement of a constructed high pressure pipe rack as claimed in claim 3, wherein: positioning ratchets (14) are arranged on the inner wall of the sliding rod (82), the positioning ratchets (14) are arranged along the length direction of the sliding rod (82), positioning pawls (15) are arranged on one side of the positioning rod (101) towards the positioning ratchets (14), the positioning pawls (15) are matched with the positioning ratchets (14), and when the positioning ratchets (14) are meshed with the positioning pawls (15), the sliding rod (82) is limited to slide towards the fixed rod (81).
5. An in-tube reinforcing apparatus for differential settlement of a built-up high pressure pipe rack as claimed in claim 4, wherein: the positioning rod (101) is provided with a placing groove (16), the positioning pawl (15) is arranged in the placing groove (16) in a sliding mode, the positioning pawl (15) slides towards the direction away from or close to the positioning ratchet (14), a pushing spring (17) is placed in the placing groove (16), and the pushing spring (17) pushes the positioning pawl (15) to slide towards the direction of the positioning ratchet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310094.7A CN114837220B (en) | 2022-03-28 | 2022-03-28 | Built high-pressure pipe gallery non-uniform settlement's intraductal reinforcing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210310094.7A CN114837220B (en) | 2022-03-28 | 2022-03-28 | Built high-pressure pipe gallery non-uniform settlement's intraductal reinforcing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114837220A CN114837220A (en) | 2022-08-02 |
| CN114837220B true CN114837220B (en) | 2024-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210310094.7A Active CN114837220B (en) | 2022-03-28 | 2022-03-28 | Built high-pressure pipe gallery non-uniform settlement's intraductal reinforcing apparatus |
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| Country | Link |
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| CN (1) | CN114837220B (en) |
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| CN111379579A (en) * | 2020-03-19 | 2020-07-07 | 华质建设集团有限公司 | Subway tunnel construction support |
| CN111778999A (en) * | 2020-08-12 | 2020-10-16 | 江苏中达勘察设计有限公司 | A excavation supporting shore device for piping lane construction |
| CN212648970U (en) * | 2020-07-30 | 2021-03-02 | 成都城投建筑工程有限公司 | Prefabricated comprehensive pipe gallery |
| CN113089722A (en) * | 2021-04-06 | 2021-07-09 | 惠州市金雄城建筑科技有限公司 | Piping lane building integrated configuration who utilizes function is collected to rainwater based on BIM |
| CN113668888A (en) * | 2021-08-30 | 2021-11-19 | 阜阳市水利建筑安装工程公司 | Protective equipment for construction engineering construction |
| CN215055397U (en) * | 2021-05-11 | 2021-12-07 | 会东县永胜工程建设有限公司 | Foundation ditch safety device for highway engineering |
| CN215522268U (en) * | 2021-07-27 | 2022-01-14 | 山东省邮电工程有限公司 | Support connection structure that piping lane engineering construction used |
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2022
- 2022-03-28 CN CN202210310094.7A patent/CN114837220B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004027549A (en) * | 2002-06-24 | 2004-01-29 | Noubi Kogyo:Kk | Form support jack |
| CN111379579A (en) * | 2020-03-19 | 2020-07-07 | 华质建设集团有限公司 | Subway tunnel construction support |
| CN111321757A (en) * | 2020-03-26 | 2020-06-23 | 成都鑫都建设工程有限公司 | Combined template for pipe gallery construction and pipe gallery construction method |
| CN212648970U (en) * | 2020-07-30 | 2021-03-02 | 成都城投建筑工程有限公司 | Prefabricated comprehensive pipe gallery |
| CN111778999A (en) * | 2020-08-12 | 2020-10-16 | 江苏中达勘察设计有限公司 | A excavation supporting shore device for piping lane construction |
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| CN113668888A (en) * | 2021-08-30 | 2021-11-19 | 阜阳市水利建筑安装工程公司 | Protective equipment for construction engineering construction |
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| Publication number | Publication date |
|---|---|
| CN114837220A (en) | 2022-08-02 |
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