CN110429549B - Waterproof plugging device of power cable pipeline - Google Patents
Waterproof plugging device of power cable pipeline Download PDFInfo
- Publication number
- CN110429549B CN110429549B CN201910778003.0A CN201910778003A CN110429549B CN 110429549 B CN110429549 B CN 110429549B CN 201910778003 A CN201910778003 A CN 201910778003A CN 110429549 B CN110429549 B CN 110429549B
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- seat
- fixedly connected
- plugging
- pipeline
- gear
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Laying Of Electric Cables Or Lines Outside (AREA)
- Gasket Seals (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a waterproof plugging device for a power cable pipeline, which comprises a pipeline I, a power cable, a pipeline II, a plugging shell, a sealing element I, a side plugging structure, a pin shaft, an upper cover, an upper plugging structure, a sealing gasket, a sealing ring, a lock, a fixed seat, a water pumping pipe, a sealing element II, a water collecting cavity, a waterproof partition plate, a right water pumping channel, a screw and a left water pumping channel, wherein the pipeline I is connected with the power cable pipeline I; the waterproof partition plate is reasonable and simple in structure and low in production cost, water between the first pipeline and the second pipeline can be effectively isolated, so that the phenomenon that water in the pipelines affects all the pipelines is avoided, the right water pumping channel and the left water pumping channel are arranged, water generated in the pipelines can be conveniently pumped out, the side blocking structure and the upper blocking structure are arranged, the power cable can be effectively compressed and sealed, triple compression sealing is carried out on the upper side between the pipeline connections, water can be effectively prevented from flowing through the side face of the power cable, and the sealing effect is improved.
Description
Technical Field
The invention relates to the field of power systems, in particular to a waterproof plugging device for a power cable pipeline.
Background
With the rapid development of electric power and communication industry in China, the laying technology of pipeline cables is more and more widely popularized, and underground cable pipes are generally made of various plastics, iron (steel), concrete and the like, are arranged in underground grooves dug in advance, and are provided with hand holes at certain distances to serve as working points for wiring, checking, maintaining or managing circuits. After the pipeline construction, the whole cable pipeline is generally filled and coated with cement, but as the hand holes are communicated with the pipeline, if the cable pipeline at the position is not sealed or is not sealed well, rainwater, sewage and sludge are often filled into the pipeline after a long time, or rat and insect enter, and the rat gnaws the cable, breeds, dies and decays, so that the pipeline is blocked; meanwhile, the pipelines are communicated, water pumping forms reverse flow, and pumping cannot be completed, and particularly when a certain section of cable has a problem, the fault is difficult to eliminate because water pumping cannot be performed in a segmented mode, so that the sealing technology between the cable and the cable pipeline is always a difficult problem to be solved.
Disclosure of Invention
The invention aims to solve the problems, and provides a waterproof plugging device for a power cable duct, which solves the problem of sealing and waterproofing between a cable and the cable duct.
In order to solve the above problems, the present invention provides a technical solution:
a waterproof plugging device for a power cable pipeline comprises a pipeline I, a power cable and a pipeline II, and further comprises a plugging shell, a sealing element I, a pin shaft, an upper cover, an upper plugging structure, a sealing gasket, a sealing ring, a lock, a fixed seat and a sealing element II; the opening at the lower left side of the plugging shell is fixedly connected with the right side of the first pipeline, and the opening at the lower right side of the plugging shell is fixedly connected with the left side of the second pipeline; the power cable sequentially passes through the first pipeline, the first sealing element, the fixed seat, the second sealing element and the second pipeline; the first sealing element is fixedly connected to the left side of the inner part of the upper side of the plugging shell; the second sealing element is positioned on the right side of the first sealing element and fixedly connected to the right side of the inner part of the upper side of the plugging shell; the left side of the upper cover is movably connected to the left upper side of the plugging shell through a pin shaft, the right side of the upper cover is fixedly connected with the right upper side of the plugging shell through a lock, and a sealing ring is arranged between the bottom surface of the upper cover and the top surface of the plugging shell; go up the plugging structure and be located the fixing base directly upside, go up plugging structure fixed connection in the upper cover, go up the plugging structure bottom fixedly connected with sealed pad.
Preferably, the water-saving water pump further comprises a side blocking structure, a water pumping pipe, a water collecting cavity, a waterproof partition plate, a right water pumping channel, a screw and a left water pumping channel; the bottom of the waterproof partition board is fixedly connected to the bottom surface inside the plugging shell through a plurality of screws; the right water pumping channel is arranged on the right side in the waterproof partition plate, and the upper side of the right water pumping channel is communicated with the inside of the water collecting cavity; the left water pumping channel is arranged on the left side inside the waterproof partition plate, and the upper side of the left water pumping channel is communicated with the inside of the water collecting cavity; the water collecting cavity is arranged inside the upper side of the waterproof partition plate, and an outlet on the upper side of the water collecting cavity is communicated with an inlet on the lower side of the water pumping pipe; side block structure bottom fixed connection is at the waterproof partition top, side block structure upside fixedly connected with fixing base.
Preferably, the lower inlets of the right pumping channel and the left pumping channel are both provided with one-way valves.
Preferably, the upper side of the fixed seat is provided with a sealing gasket made of rubber materials.
Preferably, the side plugging structure specifically comprises a connecting seat, a first side seat, a first movable seat, a first screw, a first nut, a first bevel gear, a first gear, a rotating head, a middle gear, a second gear, a driven shaft, a second side seat, a second movable seat, a second screw, a second nut, a second bevel gear and a connecting shaft; the right side of the first side seat is fixedly connected to the left lower side of the connecting seat, the left side of the first side seat is connected with a first movable seat capable of moving left and right, and the center of the inside of the first side seat is movably connected with a first screw rod; the right end of the first screw rod is fixedly connected with a first bevel gear, and a first nut is movably connected to the upper surface of the first screw rod; the first nut is fixedly connected to the right side of the center inside the first movable seat; the first gear is movably connected inside the upper left side of the connecting seat, the center of the first gear is fixedly connected with the lower side of the rotating head, and the right side of the first gear is connected with the second gear through an intermediate gear; the second gear is movably connected inside the upper side of the connecting seat, and the center of the second gear is fixedly connected with the center of the second bevel gear through a driven shaft; the second bevel gear is connected with the first bevel gear; the left side of the second side seat is fixedly connected to the right lower side of the connecting seat, the right side of the second side seat is connected with a second movable seat capable of moving left and right, and the center of the second side seat is movably connected with a second screw rod; the left end of the second screw rod is fixedly connected with the center of the right side of the first bevel gear through a connecting shaft, and a second nut is movably connected to the upper surface of the second screw rod; the second nut is fixedly connected to the left side of the center inside the second movable seat.
Preferably, the interior of the upper side of the rotating head is provided with a hexagon socket.
Preferably, rubber sealing gaskets are arranged on the outer side surfaces of the first movable seat and the second movable seat.
Preferably, the upper plugging structure specifically comprises a fixed shell, a locking head, a nut seat, a screw and a movable block; the center inside the fixed shell is movably connected with a screw, and the inside of the lower side of the fixed shell is vertically and movably connected with a movable block; the top of the screw is fixedly connected with a locking head, and a nut seat is movably connected to the upper surface of the screw; the nut seat is fixedly connected to the center of the inner part of the upper side of the movable block.
Preferably, the inner hexagonal hole is formed inside the upper side of the locking head.
The invention has the beneficial effects that:
the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, the waterproof partition plate arranged in the invention can effectively isolate water between the first pipeline and the second pipeline, thereby avoiding the phenomenon that water in the pipelines affects all the pipelines, the right water pumping channel and the left water pumping channel are arranged in addition, water generated in the pipelines can be conveniently pumped out, the side plugging structure and the upper plugging structure which are arranged in addition can effectively compress and seal the power cable, and triple compression and sealing are carried out on the upper side between the pipeline connections, so that water can be effectively prevented from flowing through the side surface of the power cable, and the sealing effect is improved.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a side blocking structure.
Fig. 3 is a schematic structural diagram of an upper blocking structure.
Detailed Description
As shown in fig. 1, the following technical solutions are adopted in the present embodiment: a waterproof plugging device for a power cable pipeline comprises a pipeline I1, a power cable 2, a pipeline II 18, a plugging shell 3, a sealing element I4, a side plugging structure 5, a pin shaft 6, an upper cover 7, an upper plugging structure 8, a sealing gasket 9, a sealing ring 10, a lock 11, a fixed seat 12, a water pumping pipe 13, a sealing element II 14, a water collecting cavity 15, a waterproof partition plate 16, a right water pumping channel 17, a screw 19 and a left water pumping channel 20; the opening at the lower left side of the plugging shell 3 is fixedly connected with the right side of the first pipeline 1, and the opening at the lower right side of the plugging shell 3 is fixedly connected with the left side of the second pipeline 18; the bottom of the waterproof partition plate 16 is fixedly connected to the bottom surface inside the plugging shell 3 through a plurality of screws 19; the right water pumping channel 17 is arranged at the right side in the waterproof partition plate 16, and the upper side of the right water pumping channel 17 is communicated with the inside of the water collecting cavity 15; the left water pumping channel 20 is arranged at the left side in the waterproof partition plate 16, and the upper side of the left water pumping channel 20 is communicated with the inside of the water collecting cavity 15; the water collecting cavity 15 is arranged inside the upper side of the waterproof partition plate 16, and an outlet on the upper side of the water collecting cavity 15 is communicated with an inlet on the lower side of the water pumping pipe 13; the bottom of the side plugging structure 5 is fixedly connected to the top of the waterproof partition plate 16, and the upper side of the side plugging structure 5 is fixedly connected with the fixed seat 12; the first sealing element 4 is fixedly connected to the left side of the inner part of the upper side of the plugging shell 3; the second sealing element 14 is positioned on the right side of the first sealing element 4, and the second sealing element 14 is fixedly connected to the right side of the inner part of the upper side of the plugging shell 3; the left side of the upper cover 7 is movably connected with the upper left side of the plugging shell 3 through a pin shaft 6, the right side of the upper cover 7 is fixedly connected with the upper right side of the plugging shell 3 through a lock 11, and a sealing ring 10 is arranged between the bottom surface of the upper cover 7 and the top surface of the plugging shell 3; the upper plugging structure 8 is positioned right above the fixed seat 12, the upper plugging structure 8 is fixedly connected in the upper cover 7, and the bottom of the upper plugging structure 8 is fixedly connected with a sealing gasket 9; the power cable 2 sequentially passes through the first pipeline 1, the first sealing element 4, the fixed seat 12, the second sealing element 14 and the second pipeline 18.
Wherein, the lower inlets of the right pumping channel 17 and the left pumping channel 20 are both provided with a one-way valve; the upper side of the fixed seat 12 is provided with a sealing gasket made of rubber material.
As shown in fig. 2, the side blocking structure 5 specifically includes a connecting seat 51, a first side seat 52, a first movable seat 53, a first screw 54, a first nut 55, a first bevel gear 56, a first gear 57, a rotating head 58, an intermediate gear 59, a second gear 510, a driven shaft 511, a second side seat 512, a second movable seat 513, a second screw 514, a second nut 515, a second bevel gear 516 and a connecting shaft 517; the right side of the first side seat 52 is fixedly connected to the left lower side of the connecting seat 51, the left side of the first side seat 52 is connected with a first movable seat 53 capable of moving left and right, and the center inside the first side seat 52 is movably connected with a first screw rod 54; the right end of the first screw rod 54 is fixedly connected with a first bevel gear 56, and a first nut 55 is movably connected to the upper surface of the first screw rod 54; the first nut 55 is fixedly connected to the right side of the center inside the first movable seat 53; the first gear 57 is movably connected inside the left upper side of the connecting seat 51, the center of the first gear 57 is fixedly connected with the lower side of the rotating head 58, and the right side of the first gear 57 is connected with the second gear 510 through an intermediate gear 59; the second gear 510 is movably connected to the inner part of the upper side of the connecting seat 51, and the center of the second gear 510 is fixedly connected with the center of the second bevel gear 516 through a driven shaft 511; the second bevel gear 516 is connected with the first bevel gear 56; the left side of the second side seat 512 is fixedly connected to the right lower side of the connecting seat 51, the right side of the second side seat 512 is connected with a second movable seat 513 capable of moving left and right, and the center of the second side seat 512 is movably connected with a second screw 514; the left end of the second screw rod 514 is fixedly connected with the center of the right side of the first bevel gear 56 through a connecting shaft 517, and a second nut 515 is movably connected to the upper surface of the second screw rod 514; the second nut 515 is fixedly connected to the left side of the center of the inner part of the second movable seat 513.
Wherein, the inner part of the upper side of the rotating head 58 is provided with an inner hexagonal hole; rubber sealing gaskets are arranged on the outer side surfaces of the first movable seat 53 and the second movable seat 513.
As shown in fig. 3, the upper blocking structure 8 specifically includes a fixed housing 81, a locking head 82, a nut seat 83, a screw 84, and a movable block 85; a screw 84 is movably connected to the center inside the fixed shell 81, and a movable block 85 is vertically and movably connected to the inside of the lower side of the fixed shell 81; the top of the screw 84 is fixedly connected with a locking head 82, and a nut seat 83 is movably connected on the screw 84; the nut holder 83 is fixedly connected to the upper inner center of the movable block 85.
Wherein, the inside of the upper side of the locking head 82 is provided with a hexagon socket.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, the waterproof partition plate 16 arranged in the waterproof partition plate can effectively isolate water between the first pipeline 1 and the second pipeline 18, thereby avoiding the phenomenon that the water in the pipelines affects all the pipelines, the right water pumping channel 17 and the left water pumping channel 20 arranged in the waterproof partition plate can conveniently pump out the water generated in the pipelines, the side plugging structure 5 and the upper plugging structure 8 arranged in the waterproof partition plate can effectively compress and seal the power cable 2, when the side plugging structure 5 compresses and seals, the rotating head 58 is firstly rotated, thereby sequentially driving the first gear 57, the middle gear 59, the second gear 510, the driven shaft 511 and the second bevel gear 516 to rotate, and the second bevel gear 516 respectively drives the first screw rod 54 and the second screw rod 514 to rotate through the first bevel gear 56, thereby driving the first movable seat 53 and the second movable seat 513 to move outwards and tightly press the power cable 2 on the first sealing element 4 and the second sealing element 14 through the rubber sealing gasket Sealing is completed, and here, by performing triple compression sealing at the upper side between the pipe connections, water can be effectively prevented from flowing through from the side of the power cable 2, thereby improving the sealing effect.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a waterproof plugging device of power cable pipeline, includes pipeline one (1), power cable (2) and pipeline two (18), its characterized in that: the sealing device is characterized by also comprising a sealing shell (3), a first sealing element (4), a pin shaft (6), an upper cover (7), an upper sealing structure (8), a sealing gasket (9), a sealing ring (10), a lock (11), a fixed seat (12) and a second sealing element (14); the opening at the lower left side of the plugging shell (3) is fixedly connected with the right side of the pipeline I (1), and the opening at the lower right side of the plugging shell (3) is fixedly connected with the left side of the pipeline II (18); the power cable (2) sequentially passes through the first pipeline (1), the first sealing element (4), the fixed seat (12), the second sealing element (14) and the second pipeline (18); the first sealing element (4) is fixedly connected to the left side of the inner part of the upper side of the plugging shell (3); the second sealing element (14) is positioned on the right side of the first sealing element (4), and the second sealing element (14) is fixedly connected to the right side of the inner part of the upper side of the plugging shell (3); the left side of the upper cover (7) is movably connected to the left upper side of the plugging shell (3) through a pin shaft (6), the right side of the upper cover (7) is fixedly connected with the right upper side of the plugging shell (3) through a lock (11), and a sealing ring (10) is arranged between the bottom surface of the upper cover (7) and the top surface of the plugging shell (3);
the upper plugging structure (8) is positioned right above the fixed seat (12), the upper plugging structure (8) is fixedly connected in the upper cover (7), and the bottom of the upper plugging structure (8) is fixedly connected with a sealing gasket (9);
the upper plugging structure (8) specifically comprises a fixed shell (81), a locking head (82), a nut seat (83), a screw rod (84) and a movable block (85); a screw rod (84) is movably connected to the center inside the fixed shell (81), and a movable block (85) is vertically and movably connected to the inside of the lower side of the fixed shell (81); the top of the screw rod (84) is fixedly connected with a locking head (82), and a nut seat (83) is movably connected on the screw rod (84); the nut seat (83) is fixedly connected to the center of the upper inside of the movable block (85).
2. A water-tight plugging device for a power cable duct according to claim 1, further comprising a side plugging structure (5), a water pumping pipe (13), a water collecting cavity (15), a water-tight partition (16), a right water pumping channel (17), a screw (19) and a left water pumping channel (20); the bottom of the waterproof partition plate (16) is fixedly connected to the bottom surface inside the plugging shell (3) through a plurality of screws (19); the right water pumping channel (17) is arranged on the right side in the waterproof partition plate (16), and the upper side of the right water pumping channel (17) is communicated with the inside of the water collecting cavity (15); the left water pumping channel (20) is arranged on the left side inside the waterproof partition plate (16), and the upper side of the left water pumping channel (20) is communicated with the inside of the water collecting cavity (15); the water collecting cavity (15) is arranged inside the upper side of the waterproof partition plate (16), and an outlet on the upper side of the water collecting cavity (15) is communicated with an inlet on the lower side of the water pumping pipe (13); the bottom of the side plugging structure (5) is fixedly connected to the top of the waterproof partition plate (16), and the upper side of the side plugging structure (5) is fixedly connected with the fixed seat (12).
3. The waterproof plugging device for the power cable pipeline according to claim 2, wherein: the side plugging structure (5) specifically comprises a connecting seat (51), a first side seat (52), a first movable seat (53), a first screw rod (54), a first nut (55), a first bevel gear (56), a first gear (57), a rotating head (58), a middle gear (59), a second gear (510), a driven shaft (511), a second side seat (512), a second movable seat (513), a second screw rod (514), a second nut (515), a second bevel gear (516) and a connecting shaft (517); the right side of the first side seat (52) is fixedly connected to the left lower side of the connecting seat (51), the left side of the first side seat (52) is connected with a first movable seat (53) capable of moving left and right, and the center of the interior of the first side seat (52) is movably connected with a first screw rod (54); the right end of the first screw rod (54) is fixedly connected with a first bevel gear (56), and a first nut (55) is movably connected onto the first screw rod (54); the first nut (55) is fixedly connected to the right side of the center inside the first movable seat (53); the first gear (57) is movably connected to the inside of the left upper side of the connecting seat (51), the center of the first gear (57) is fixedly connected with the lower side of the rotating head (58), and the right side of the first gear (57) is connected with the second gear (510) through a middle gear (59); the second gear (510) is movably connected to the inner part of the upper side of the connecting seat (51), and the center of the second gear (510) is fixedly connected with the center of the second bevel gear (516) through a driven shaft (511); the bevel gear II (516) is connected with the bevel gear I (56); the left side of the second side seat (512) is fixedly connected to the right lower side of the connecting seat (51), the right side of the second side seat (512) is connected with a second movable seat (513) capable of moving left and right, and the center of the second side seat (512) is movably connected with a second screw rod (514); the left end of the second screw rod (514) is fixedly connected with the center of the right side of the first bevel gear (56) through a connecting shaft (517), and a second nut (515) is movably connected onto the second screw rod (514); the second nut (515) is fixedly connected to the left side of the center of the inner part of the second movable seat (513).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778003.0A CN110429549B (en) | 2017-09-18 | 2017-09-18 | Waterproof plugging device of power cable pipeline |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910778003.0A CN110429549B (en) | 2017-09-18 | 2017-09-18 | Waterproof plugging device of power cable pipeline |
| CN201710840224.7A CN107591769B (en) | 2017-09-18 | 2017-09-18 | A kind of power cable pipeline waterproof plugging device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840224.7A Division CN107591769B (en) | 2017-09-18 | 2017-09-18 | A kind of power cable pipeline waterproof plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110429549A CN110429549A (en) | 2019-11-08 |
| CN110429549B true CN110429549B (en) | 2020-06-05 |
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ID=61047215
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840224.7A Active CN107591769B (en) | 2017-09-18 | 2017-09-18 | A kind of power cable pipeline waterproof plugging device |
| CN201910778003.0A Expired - Fee Related CN110429549B (en) | 2017-09-18 | 2017-09-18 | Waterproof plugging device of power cable pipeline |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710840224.7A Active CN107591769B (en) | 2017-09-18 | 2017-09-18 | A kind of power cable pipeline waterproof plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107591769B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115986664A (en) * | 2021-09-23 | 2023-04-18 | 国网山东省电力公司广饶县供电公司 | Swift watertight fittings suitable for electric power cable head |
| CN115085111B (en) * | 2022-07-13 | 2023-10-13 | 国网河南省电力公司沁阳市供电公司 | Waterproof plugging device of power cable pipeline |
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| EP1818702A1 (en) * | 2006-02-10 | 2007-08-15 | John Guest International Limited | Improvements in or relating to tube couplings for connecting a pair of conduits for carrying a cable |
| CN202206099U (en) * | 2011-04-07 | 2012-04-25 | 上海市电力公司 | Connecting and waterproofing structure for tunnel pipe joint in jacking pipe construction of cable tunnel |
| CN204835452U (en) * | 2015-07-28 | 2015-12-02 | 山东方特管业有限公司 | Electric power cable pipeline with window rolls off production line |
| CN105490221A (en) * | 2015-12-13 | 2016-04-13 | 青岛智享专利技术开发有限公司 | Safety fireproof cooling wiring conduit |
| CN205960551U (en) * | 2016-05-18 | 2017-02-15 | 吉林省吉能电力建设监理有限责任公司 | Novel cable is waterproof device |
| CN109099242A (en) * | 2018-08-20 | 2018-12-28 | 烟台知兴知识产权咨询服务有限公司 | A kind of Heating,Ventilating and Air Conditioning assembling pipe joint |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184810A (en) * | 2007-01-30 | 2008-08-14 | Kowa Sangyo Kk | Watertight anchorage device for repairing method and anchor repairing method |
| JP5684516B2 (en) * | 2010-03-24 | 2015-03-11 | 倉敷化工株式会社 | Flexible joint |
| JP6282870B2 (en) * | 2014-01-30 | 2018-02-21 | 昭和電線ケーブルシステム株式会社 | Intermediate connection of protective tube and power cable |
| JP5960324B1 (en) * | 2015-05-26 | 2016-08-02 | 近畿電機株式会社 | Wire cover end sealing method and inner core used in the method |
| CN106340751B (en) * | 2016-08-31 | 2019-10-15 | 浙江凯耀照明股份有限公司 | A kind of Waterproof cable joint |
| CN206385447U (en) * | 2017-01-06 | 2017-08-08 | 徐北 | A kind of bridge pipeline crosses the river structure |
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2017
- 2017-09-18 CN CN201710840224.7A patent/CN107591769B/en active Active
- 2017-09-18 CN CN201910778003.0A patent/CN110429549B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1818702A1 (en) * | 2006-02-10 | 2007-08-15 | John Guest International Limited | Improvements in or relating to tube couplings for connecting a pair of conduits for carrying a cable |
| CN202206099U (en) * | 2011-04-07 | 2012-04-25 | 上海市电力公司 | Connecting and waterproofing structure for tunnel pipe joint in jacking pipe construction of cable tunnel |
| CN204835452U (en) * | 2015-07-28 | 2015-12-02 | 山东方特管业有限公司 | Electric power cable pipeline with window rolls off production line |
| CN105490221A (en) * | 2015-12-13 | 2016-04-13 | 青岛智享专利技术开发有限公司 | Safety fireproof cooling wiring conduit |
| CN205960551U (en) * | 2016-05-18 | 2017-02-15 | 吉林省吉能电力建设监理有限责任公司 | Novel cable is waterproof device |
| CN109099242A (en) * | 2018-08-20 | 2018-12-28 | 烟台知兴知识产权咨询服务有限公司 | A kind of Heating,Ventilating and Air Conditioning assembling pipe joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107591769B (en) | 2019-09-24 |
| CN110429549A (en) | 2019-11-08 |
| CN107591769A (en) | 2018-01-16 |
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