CN111501823A - Community pipeline co-structure - Google Patents
Community pipeline co-structure Download PDFInfo
- Publication number
- CN111501823A CN111501823A CN202010309790.7A CN202010309790A CN111501823A CN 111501823 A CN111501823 A CN 111501823A CN 202010309790 A CN202010309790 A CN 202010309790A CN 111501823 A CN111501823 A CN 111501823A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- community
- waterproof
- groove
- shaped structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 10
- 230000004308 accommodation Effects 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
Images
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
-
- 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
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention provides a community pipeline co-structure, which comprises: the upper end of the groove-shaped structure is of an open structure; waterproof apron, the lid is established in the upper end of groove-shaped structure, and waterproof apron encloses into the accommodation space who is used for wearing to establish the pipeline with groove-shaped structure jointly, and the junction of waterproof apron and groove-shaped structure forms waterproof sealing portion. The invention has the advantages that the waterproof cover plate is covered at the upper end of the groove-shaped structure and forms an accommodating space for the pipeline to penetrate through together with the groove-shaped structure, and the community service pipelines can be intensively accommodated in the accommodating space and then buried underground, so that a stable and good existing environment is provided for the community service pipelines through the community pipeline co-structure body, and the purposes of delaying pipeline aging, protecting the pipelines from being corroded by soil and prolonging the service life of the pipelines are achieved.
Description
Technical Field
The invention relates to a community pipeline co-structure body.
Background
The heavy-current and light-current cable overhead tray of the community is in a staggered joint, so that electric leakage and fire frequently occur, and life threat and property loss are caused to community residents. The corrosion and aging of the directly buried pipeline are serious, and the frequent excavation and replacement of the pipeline bring great inconvenience to the life of community residents.
The first prior art is as follows: the existing community pipelines provide services for users in a mode of overhead strong and weak cables, heat supply and direct burial of water supply and drainage pipelines.
The first prior art has the following defects: the strong and weak cables are overhead, so that the community environment is influenced, the exposed air is exposed to wind, sunshine and rain for a long time, the cable sheath is accelerated to be aged and peeled off, the electric shock danger and the fire are easily caused, and the life and property safety of residents is directly threatened. The environment around the directly buried pipeline is moist, acid/alkali/salt soil with active microorganisms, which can accelerate pipeline erosion and increase pipeline replacement frequency. Meanwhile, the replacement, maintenance and addition of the directly buried pipelines require multiple excavation, which seriously affects the transportation of residents in the residential area.
The second prior art is: bring the pipeline into the utility tunnel, set up the affiliated facilities in the utility tunnel.
The second prior art has the following defects: service line compares in the community that it is little in big municipal pipeline size, brings the pipeline into utility tunnel inside alone, and the construction cost is high, causes bigger economic burden to the community resident. The utility tunnel space is big, and the construction mode is excavation or shield structure greatly, and the construction risk is big, and building structure construction improper can cause certain influence around to the area of community shortage.
Disclosure of Invention
The invention provides a community pipeline co-structure body, which aims to achieve the purpose of prolonging the service life of a pipeline.
The technical scheme adopted by the invention for solving the technical problems is as follows: a community pipeline community, comprising: the upper end of the groove-shaped structure is of an open structure; waterproof apron, the lid is established in the upper end of groove-shaped structure, and waterproof apron encloses into the accommodation space who is used for wearing to establish the pipeline with groove-shaped structure jointly, and the junction of waterproof apron and groove-shaped structure forms waterproof sealing portion.
Furthermore, the groove-shaped structure is provided with two side walls which have the same structure and are parallel and opposite, the top of each side wall is provided with a waterproof slope, and the waterproof slope extends from the top of each side wall to the outer side direction of each side wall; the waterproof cover plate comprises a cover plate body and two protrusions, wherein the two protrusions are symmetrically arranged on the lower portions of the two ends of the cover plate body, the inner side of each protrusion forms a waterproof matching slope with the lower surface of the cover plate body, and the waterproof matching slopes are matched with the waterproof slopes and are connected with the waterproof slopes to form a waterproof sealing portion.
Further, waterproof sealing portion still includes the rubber sealing strip, and the top of lateral wall is provided with the rubber sealing strip with the lower surface junction of apron body.
Furthermore, the side wall is further provided with a horizontal part, the horizontal part is connected with the lower end of the waterproof slope, when the groove-shaped structure and the waterproof cover plate are located at the assembling position, the plane of the lower end of the bulge corresponds to the horizontal part at intervals, and a cover plate opening seam is formed between the plane of the lower end of the bulge and the horizontal part.
Further, the upper surface of the waterproof cover plate is laid with sidewalks and/or green turf.
Further, the upper surface of waterproof apron is provided with inlays the groove, and pavement and/or afforestation turf setting are in inlaying the inslot.
Further, the inner wall of the groove-shaped structure is provided with a strong electric pipeline support, and a containing groove for containing a strong electric pipeline is arranged on the strong electric pipeline support.
Further, the inner wall of slot-like structure is provided with weak current pipeline support, is provided with the holding tank that is used for holding weak current pipeline on the weak current pipeline support.
Further, be provided with the pipeline buttress on the diapire of slot-like structure, be provided with the holding tank that is used for holding water supply line on the pipeline buttress.
Further, the groove-shaped structure is also provided with a connecting sleeve for connecting a front inspection well of a building.
The invention has the advantages that the waterproof cover plate is covered at the upper end of the groove-shaped structure and forms an accommodating space for the pipeline to penetrate through together with the groove-shaped structure, and the community service pipelines can be intensively accommodated in the accommodating space and then buried underground, so that a stable and good existing environment is provided for the community service pipelines through the community pipeline co-structure body, and the purposes of delaying pipeline aging, protecting the pipelines from being corroded by soil and prolonging the service life of the pipelines are achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall layout of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a community pipeline community in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a flow chart of a community service pipeline according to an embodiment of the present invention.
Reference numbers in the figures: 10. a trough-like structure; 11. a waterproof slope; 12. a rubber water stop bar; 13. opening a seam on the cover plate; 14. a strong electric line support; 15. a weak current pipeline bracket; 16. a pipeline buttress; 20. a waterproof cover plate; 21. and (5) embedding the grooves.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, an embodiment of the present invention provides a community pipeline co-structure, which includes a trough structure 10 and a waterproof cover plate 20. The upper end of the groove-shaped structure 10 is of an open structure; the waterproof cover plate 20 covers the upper end of the groove-shaped structure 10, the waterproof cover plate 20 and the groove-shaped structure 10 jointly enclose an accommodating space for penetrating a pipeline, and a waterproof sealing part is formed at the joint of the waterproof cover plate 20 and the groove-shaped structure 10.
Wherein, the groove-shaped structure 10 is a U-shaped groove structure, which is convenient for processing and production.
As shown in fig. 2, the trough-like structure 10 has two parallel opposite side walls of the same structure, and the top of each side wall is provided with a water-proof slope 11 extending from the top of the side wall toward the outer side of the side wall. Waterproof apron 20 includes apron body and two archs, and two protruding symmetries set up the both ends lower part at the apron body, and every bellied inboard all forms waterproof cooperation slope with the lower surface of apron body, and waterproof cooperation slope is connected and is formed waterproof sealing with the cooperation of waterproof slope 11.
Through setting up waterproof cooperation slope and waterproof slope 11 can be to the inside waterproof sealing that carries on of groove-like structure 10, avoid the rainwater to enter into the inside pipeline that corrodes of groove-like structure 10.
Preferably, the waterproof sealing part further comprises a rubber water stop strip 12, and the joint of the top of the side wall and the lower surface of the cover plate body is provided with the rubber water stop strip 12. The rubber sealing rod 12 can completely seal the gap between the top of the side wall and the lower surface of the cover plate body, so that the rainwater is prevented from entering the groove-shaped structure 10 through the gap when the rainwater is excessive.
The side wall is further provided with a horizontal part, the horizontal part is connected with the lower end of the waterproof slope, when the groove-shaped structure 10 and the waterproof cover plate 20 are in an assembly position, the plane of the lower end of the bulge corresponds to the horizontal part and is arranged at intervals, and a cover plate opening seam 13 is formed between the plane of the lower end of the bulge and the horizontal part. Set up the apron and open seam 13 and can be convenient for the staff and open waterproof cover plate 20, simultaneously owing to open waterproof cover plate 20 and need be with supporting opening device, can also reach the effect that non professional can't open waterproof cover plate 20.
In the embodiment of the present invention, the upper surface of the waterproof cover plate 20 is provided with an embedded groove 21, and a sidewalk and/or a green turf is laid in the embedded groove 21. The sidewalk and/or the greening turf are arranged, and the upper part of the community pipeline co-structure body can be beautified. Meanwhile, in order to ensure the normal laying and use of the sidewalk and/or the green turf, the supporting strength of the community pipeline co-structure body in the embodiment of the invention is required to meet the daily use requirement.
It should be noted that, in the embodiment of the present invention, the waterproof cover plate 20 cooperates with the groove-shaped structure 10 to perform waterproof sealing through its own weight and the weight of the sidewalk and/or the green turf, so as to reduce the number of the fixing and connecting assemblies and save the production cost.
Further, the inner wall of the trough-like structure 10 is provided with a strong electric pipeline bracket 14, a weak electric pipeline bracket 15 and a pipeline buttress 16, and the strong electric pipeline bracket 14 is provided with a holding groove for holding a strong electric pipeline. The weak current pipeline bracket 15 is provided with a receiving groove for receiving the weak current pipeline. The pipe buttresses 16 are provided with a holding tank for holding the water supply lines.
Set up strong current pipeline support 14, weak current pipeline support 15 and pipeline buttress 16 and can correspond the setting with different kinds of pipelines in proper order, avoid the pipeline to mix the later maintenance of being not convenient for together.
In the embodiment of the present invention, the community pipeline co-structure includes a main co-structure and a branch co-structure, and two strong electric pipeline brackets 14, two weak electric pipeline brackets 15 and a pipeline buttress 16 are disposed in the main co-structure. The branch co-structure is connected with the main co-structure, and a strong electric pipeline support 14, a weak electric pipeline support 15 and a water supply pipeline support are arranged in the branch co-structure. And the trough-like structure 10 of the branch co-structure is also provided with a connecting sleeve for connecting a pre-building manhole. The connection sleeve may connect the lines in the trough 10 to a pre-building manhole for access to a customer premises.
As shown in fig. 4, the community service pipelines are accessed from terminal wells of the peripheral large municipal pipe network and are jointly incorporated into the main co-structure, and the main co-structure can be laid on each community building group in an annular or radial arrangement. The branch community serves each community building group.
Specifically, for a certain cell as an example, communication cables, cables and water supply pipelines of the cell are intensively incorporated into the main co-structure and the branch co-structure and are respectively laid under a sidewalk, a green belt or a motorway in front of a community trunk road and a building. The main co-structure is arranged annularly and radially locally, and the branch co-structures are arranged along the building trend, see fig. 1.
The main co-structure is laid under the green belt and sidewalk of the main trunk road of the community and mainly serves as a branch co-structure. The thickness of the main co-structure soil covering is based on the thickness of local frozen soil so as to meet the stable use environment of the pipeline; the current pipeline is avoided by properly considering the depth of the soil covering. The branch co-structure is laid under a green belt and a sidewalk of a front branch of the building and mainly serves resident users in the building. The thickness of the earth covering of the branch co-structure body is based on the thickness of local frozen soil so as to meet the stable use environment of the pipeline; the current pipeline is avoided by properly considering the depth of the soil covering.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: waterproof apron 20 lid is established in the upper end of groove-shaped structure 10 and is enclosed into the accommodation space who is used for wearing to establish the pipeline jointly with groove-shaped structure 10, can bury the underground after the accommodation space is brought into to community's service pipeline is concentrated to construct the body and provide stable good existence environment for community's service pipeline through community's pipeline, reach and delay the ageing and protection pipeline of pipeline and not corroded by soil, the purpose of extension pipeline life-span.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features, the technical schemes and the technical schemes can be freely combined and used.
Claims (10)
1. A community pipeline community, comprising:
a groove-shaped structure (10), the upper end of which is an open structure;
the waterproof cover plate (20) is arranged at the upper end of the groove-shaped structure (10) in a covering mode, the waterproof cover plate (20) and the groove-shaped structure (10) jointly enclose an accommodating space used for penetrating a pipeline, and a waterproof sealing portion is formed at the joint of the waterproof cover plate (20) and the groove-shaped structure (10).
2. The community pipeline community of claim 1,
the groove-shaped structure (10) is provided with two parallel opposite side walls with the same structure, the top of each side wall is provided with a waterproof slope (11), and the waterproof slope extends from the top of the side wall to the outer side direction of the side wall;
waterproof apron (20) are including apron body and two archs, two protruding symmetry sets up the both ends lower part of apron body, and every bellied inboard all with the lower surface of apron body forms waterproof cooperation slope, waterproof cooperation slope with waterproof slope (11) cooperation is connected and is formed waterproof sealing portion.
3. The community pipeline community of claim 2, wherein the waterproof seal further comprises a rubber sealing strip (12), and the rubber sealing strip (12) is provided at the joint of the top of the side wall and the lower surface of the cover plate body.
4. The community pipeline community of claim 2, wherein the side wall is further provided with a horizontal portion, the horizontal portion is connected to a lower end of the waterproof slope, when the groove-shaped structure (10) and the waterproof cover plate (20) are in an assembled position, a lower end plane of the protrusion corresponds to the horizontal portion and is spaced from the horizontal portion, and a cover plate opening seam (13) is formed between the lower end plane of the protrusion and the horizontal portion.
5. Community pipeline infrastructure according to claim 1, characterized in that the upper surface of the water-proof cover sheet (20) is paved with sidewalks and/or green turf.
6. Community pipeline infrastructure according to claim 5, characterized in that the upper surface of the waterproof cover plate (20) is provided with a mosaic groove (21), the walkway and/or the green turf being provided in the mosaic groove (21).
7. The community pipeline community of claim 1, wherein the inner wall of the trough-like structure (10) is provided with a heavy electric pipeline bracket (14), and the heavy electric pipeline bracket (14) is provided with a holding groove for holding a heavy electric pipeline.
8. The community pipeline community of claim 1, wherein the inner wall of the trough-like structure (10) is provided with a weak current pipeline bracket (15), and the weak current pipeline bracket (15) is provided with a receiving groove for receiving the weak current pipeline.
9. Community pipeline community structure according to claim 1, characterized in that the bottom wall of the channel structure (10) is provided with a pipe buttress (16), said pipe buttress (16) being provided with a receiving groove for receiving a water supply pipeline.
10. Community pipeline community according to claim 1, characterized in that the trough structure (10) is further provided with a connection sleeve for connecting a pre-building manhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309790.7A CN111501823A (en) | 2020-04-20 | 2020-04-20 | Community pipeline co-structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309790.7A CN111501823A (en) | 2020-04-20 | 2020-04-20 | Community pipeline co-structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111501823A true CN111501823A (en) | 2020-08-07 |
Family
ID=71869471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010309790.7A Pending CN111501823A (en) | 2020-04-20 | 2020-04-20 | Community pipeline co-structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111501823A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080004606U (en) * | 2007-04-10 | 2008-10-15 | 구옥순 | Precated culvert |
| CN105951876A (en) * | 2016-05-04 | 2016-09-21 | 东北大学 | Cover plate type precast concrete urban comprehensive pipe gallery and construction method thereof |
| CN106193115A (en) * | 2016-08-30 | 2016-12-07 | 中建科技（福州）有限公司 | A kind of concrete prefabricated groove |
| CN107489168A (en) * | 2017-06-20 | 2017-12-19 | 中南大学 | A kind of staggered joint erection comprehensive pipe gallery structure based on prestress system |
| CN109914477A (en) * | 2019-04-02 | 2019-06-21 | 成都泽瀚科技有限公司 | Underground pipe gallery precast assembly pipeline |
| CN209443496U (en) * | 2018-12-17 | 2019-09-27 | 王洪伟 | Combined steel structure underground pipe gallery |
| CN209891244U (en) * | 2019-04-15 | 2020-01-03 | 湘潭大学 | Prefabricated assembled concrete assembles utility tunnel from top to bottom |
| CN212129231U (en) * | 2020-04-20 | 2020-12-11 | 中冶京诚工程技术有限公司 | Community pipeline co-structure |
-
2020
- 2020-04-20 CN CN202010309790.7A patent/CN111501823A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080004606U (en) * | 2007-04-10 | 2008-10-15 | 구옥순 | Precated culvert |
| CN105951876A (en) * | 2016-05-04 | 2016-09-21 | 东北大学 | Cover plate type precast concrete urban comprehensive pipe gallery and construction method thereof |
| CN106193115A (en) * | 2016-08-30 | 2016-12-07 | 中建科技（福州）有限公司 | A kind of concrete prefabricated groove |
| CN107489168A (en) * | 2017-06-20 | 2017-12-19 | 中南大学 | A kind of staggered joint erection comprehensive pipe gallery structure based on prestress system |
| CN209443496U (en) * | 2018-12-17 | 2019-09-27 | 王洪伟 | Combined steel structure underground pipe gallery |
| CN109914477A (en) * | 2019-04-02 | 2019-06-21 | 成都泽瀚科技有限公司 | Underground pipe gallery precast assembly pipeline |
| CN209891244U (en) * | 2019-04-15 | 2020-01-03 | 湘潭大学 | Prefabricated assembled concrete assembles utility tunnel from top to bottom |
| CN212129231U (en) * | 2020-04-20 | 2020-12-11 | 中冶京诚工程技术有限公司 | Community pipeline co-structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2235240C (en) | Transmission conduit and method of installation of same | |
| CN212129231U (en) | Community pipeline co-structure | |
| US4518817A (en) | Buried conductor cable energy distribution system with conductor loop enclosure | |
| CN208633147U (en) | A kind of pipe gallery for solar power generation road surface electric power groove | |
| CN111501823A (en) | Community pipeline co-structure | |
| CN108710183A (en) | A kind of open air ADSS optical cables installation plugging device | |
| CN212462740U (en) | Concrete cover plate for cable trench | |
| CN212129232U (en) | Intensive community pipeline co-structure | |
| CN109861152B (en) | Novel cable trench cover plate | |
| CN110735447B (en) | Comprehensive pipe rack for solar power generation pavement electric power groove and use method | |
| CN211670606U (en) | Multi-cavity community pipeline co-structure | |
| CA3204159A1 (en) | Ground level primary electric distribution system | |
| CN209691432U (en) | A kind of resistance to dilatory cable | |
| CN111478270A (en) | Multi-cavity community pipeline co-structure | |
| CN216530474U (en) | Cable trench with good sealing performance | |
| CN111501824A (en) | Intensive community pipeline co-structure | |
| CN111722334A (en) | Plugging device and method for supporting type optical cable down-leading protection tube | |
| CN215934425U (en) | Automatic moisture-removing and moisture-proof cover plate for cable trench of transformer substation | |
| CN109872845A (en) | A kind of resistance to dilatory cable | |
| CN218216641U (en) | Optical cable protection channel system in railway station area | |
| CN218771209U (en) | Cable trench device with good waterproof effect | |
| JPH0849285A (en) | Duct for gutter | |
| CN214124774U (en) | Cable connection pipeline structure between wind generating set and box-type transformer | |
| CN215299531U (en) | Outdoor cabinet grounding device | |
| RU136457U1 (en) | REINFORCED CONCRETE COLLECTOR FOR OPERATION OF UNDERGROUND COMMUNICATIONS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |