CN115117803B - Double-expansion water stopper for reserved conduit of underground structure - Google Patents
Double-expansion water stopper for reserved conduit of underground structure Download PDFInfo
- Publication number
- CN115117803B CN115117803B CN202210607891.1A CN202210607891A CN115117803B CN 115117803 B CN115117803 B CN 115117803B CN 202210607891 A CN202210607891 A CN 202210607891A CN 115117803 B CN115117803 B CN 115117803B
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- CN
- China
- Prior art keywords
- expansion
- pressing plate
- underground structure
- sealing
- conduit
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 9
- 230000009977 dual effect Effects 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 44
- 230000006835 compression Effects 0.000 claims description 17
- 238000007906 compression Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- 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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
A dual expansion water stopper for an underground structure reservation conduit disposed between a wire penetrating the underground structure reservation conduit and the underground structure reservation conduit, comprising: the split spliced sealing body is used for sealing and wrapping the lead; the split spliced sealing body is of a revolving body structure, a wire perforation is arranged in the center of the split spliced sealing body, an expansion assembly is arranged on the outer ring of the wire perforation and used for forming bidirectional sealing with a wire and an underground structure reserved conduit after being pressed and expanded; and a compressing assembly disposed on the expansion assembly for applying a compressing force to the expansion assembly from both ends. The invention can achieve bidirectional complete sealing of the reserved conduit of the outward and underground structure and the inward and the wire, and can thoroughly solve the problem of water leakage of the wire such as a telecommunication cable penetrating through the reserved conduit of the underground structure.
Description
Technical Field
The invention relates to an underground structure reserved conduit, in particular to a double-expansion water stopper for an underground structure reserved conduit.
Background
As is well known, wires such as electric cables, optical cables, signal cables and the like of a large public building basement, a subway and the like entering and exiting an electric control cabinet and a power distribution room are required to pass through various cable sleeves reserved on an underground outer wall body during construction.
At present, when wires such as telecommunication cables pass through cable sleeves of buildings such as underground external walls for a long time, water seepage and even reverse-flow underground power distribution facilities are caused by poor sealing or failure of the cable sleeves, so that serious influence is brought to normal operation of subway power transmission and distribution, and personnel safety is seriously endangered.
Disclosure of Invention
In order to overcome the defects of the related art, the invention provides the double-expansion water stopper for the cable duct, which can achieve bidirectional complete sealing between the reserved duct of the outward and underground structure and between the inward and the wire, and can thoroughly solve the problem of water leakage of the wire such as a telecommunication cable penetrating through the reserved duct of the underground structure.
The technical scheme adopted for solving the technical problems is as follows:
a dual expansion water stopper for an underground structure reservation conduit disposed between a wire penetrating the underground structure reservation conduit and the underground structure reservation conduit, comprising:
the split spliced sealing body is used for sealing and wrapping the lead; the split spliced sealing body is of a revolving body structure, a wire perforation is arranged in the center of the split spliced sealing body, an expansion assembly is arranged on the outer ring of the wire perforation and used for forming bidirectional sealing with a wire and an underground structure reserved conduit after being pressed and expanded;
and a compressing assembly disposed on the expansion assembly for applying a compressing force to the expansion assembly from both ends.
Optionally, the expansion assembly is including setting up the seal structure layer on the split joint formula seal body, annular array has a plurality of inflation chambeies on the seal structure layer, the inflation intracavity is equipped with the expanding body of shape unanimity, still is equipped with the toper expanding body in each expanding body with one heart, the center of toper expanding body is equipped with the through-hole that supplies to compress tightly the subassembly installation.
Optionally, the compression assembly includes whole annular, split type top clamp plate and bottom clamp plate, top clamp plate and bottom clamp plate set up respectively the both ends face of inflation assembly and connect at the through-hole department through the fastener.
Optionally, the fastener includes a compression bolt, a through hole/threaded hole is formed in the top pressing plate, a threaded hole/through hole is formed in the bottom pressing plate, and the threaded hole is connected with the compression bolt penetrating through the through hole of the conical expansion body in a matched manner.
Optionally, the outer side of the part of the top pressing plate or the bottom pressing plate provided with the threaded hole is a boss structure.
Optionally, the split spliced sealing body, the top pressing plate and the bottom pressing plate are symmetrically divided into two pieces and detachably connected through a first lap joint part, a second lap joint part and a third lap joint part on the two pieces respectively.
Optionally, the expansion cavity comprises a first expansion cavity and a second expansion cavity which are alternately arranged, the two expansion cavities are in an I shape as a whole, and the size of the first expansion cavity is larger than that of the second expansion cavity;
the expansion body comprises a first expansion body with the same shape as the first expansion cavity and a second expansion body with the same shape as the second expansion cavity.
Optionally, the second expansion cavity and the first expansion cavity are partially overlapped in the connecting direction, and the inner side and the outer side of the second expansion cavity are respectively provided with an epitaxial groove so as to be aligned with the first expansion cavity.
Optionally, the surface of the first expansion body is further provided with a first sealing line and a first expansion groove, and the surface of the second expansion body is further provided with a second sealing line and a second expansion groove.
Optionally, the split spliced sealing body is made of silica gel; the materials of the expansion body and the conical expansion body are high molecular polyethylene or stainless steel.
Compared with the related art, the technical scheme of the invention has the following beneficial effects:
the split spliced sealing body is used for sealing and wrapping wires such as cables penetrating through reserved pipes of the underground structure, the whole split spliced sealing body is locked by the compression assembly by means of the internal expansion assembly, and the whole split spliced sealing body is expanded in a compression mode, so that the wires such as telecommunication cables penetrate through the reserved pipes of the underground structure to be sealed in a bidirectional and complete mode, and the wires are sealed in the bidirectional and complete mode.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is an exploded view of the structure of one embodiment of the present invention.
Fig. 2 and 3 are exploded views of structures in the application scenario of two different angles of an embodiment of the present invention.
Fig. 4 is a perspective view of a split splice seal in accordance with one embodiment of the present invention.
Fig. 5 is a front view of a split splice seal in accordance with one embodiment of the invention.
Figure 6 is a perspective view of a first balloon in one embodiment of the invention.
Figure 7 is a perspective view of a second balloon in one embodiment of the invention.
Figure 8 is a perspective view of a conical expansion body in one embodiment of the present invention.
Fig. 9 is a perspective view of a hold-down bolt in one embodiment of the invention.
Fig. 10 is a perspective view of a top platen in one embodiment of the present invention.
FIG. 11 is a perspective view of a bottom platen in one embodiment of the present invention.
The reference numerals in the drawings illustrate:
10. a double expansion water stopper 20 and a reserved conduit of an underground structure;
1. split-splice seals, 11, wire perforations, 12, expansion assembly, 121, seal structure layer, 1211, expansion chamber, 1211-1, first expansion chamber, 1211-2, second expansion chamber, 1211-2-1, epitaxial cell, 122, expansion body, 1221, first expansion body, 1221-1, first seal line, 1221-2, first expansion cell, 1222, second expansion body, 1222-1, second seal line, 1222-2, second expansion cell, 123, conical expansion body, 1231, through hole, 13, first lap joint;
2. the device comprises a pressing component, 21, a top pressing plate, 211, a through hole, 212, a second lap joint, 22, a bottom pressing plate, 221, a threaded hole, 222, a boss structure, 223, a third lap joint, 23, a fastener, 231 and a pressing bolt.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present 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 fall within the scope of the invention.
Fig. 1 to 11 are schematic structural views showing a preferred embodiment of the present invention, in which a dual expansion water stopper for an underground structure reservation pipe is provided between a wire penetrating the underground structure reservation pipe and the underground structure reservation pipe, comprising:
the split spliced sealing body is used for sealing and wrapping the lead; the split spliced sealing body is of a revolving body structure, a wire perforation is arranged in the center of the split spliced sealing body, an expansion assembly is arranged on the outer ring of the wire perforation and used for forming bidirectional sealing with a wire and an underground structure reserved conduit after being pressed and expanded;
and a compressing assembly disposed on the expansion assembly for applying a compressing force to the expansion assembly from both ends.
The split spliced sealing body wraps the lead and is placed in the reserved guide pipe of the underground structure, the expansion assembly is located between the lead and the reserved guide pipe of the underground structure, and further the expansion assembly is pressed and expanded at the same time in the direction perpendicular to the pressing force by the pressing assembly through the pressing force applied by the pressing assembly, so that the split spliced sealing body can be tightly attached to the lead and the reserved guide pipe of the underground structure to block water leakage of a contact surface, and can be tightly connected with each other in the circumferential direction to realize radial complete sealing. Proved by verification, the invention can bear at least 9 kg of tightness and strength tests, so that the invention can completely meet and solve the problem of water leakage of wires such as telecommunication cables and the like penetrating through reserved pipes of underground structures under static pressure.
In an optional implementation manner of this embodiment, the expansion assembly includes a sealing structure layer disposed on the split-type spliced sealing body, a plurality of expansion cavities are annularly arranged on the sealing structure layer, expansion bodies with identical shapes are sleeved in the expansion cavities, conical expansion bodies are further concentrically disposed in each expansion body, and a through hole for mounting the compression assembly is disposed in the center of each conical expansion body.
In the whole, the outer ring of the lead is directly wrapped and sealed through the sealing structure layer of the expansion assembly, the main body of the sealing structure layer is sealed by an outer layer, the expansion body arranged in the expansion cavity in the sealing structure layer is sealed by an inner side, the conical expansion body is connected and sealed with the compression assembly, and the sealing structure layer and the expansion body are pressed and expanded to jointly construct the tight sealing effect.
In one specific implementation manner of this embodiment, the compression assembly includes an integral annular split top pressing plate and a bottom pressing plate, where the top pressing plate and the bottom pressing plate are respectively disposed on two end surfaces of the expansion assembly and are connected at the through hole by a fastener.
The top pressing plate and the bottom pressing plate cover the end face of the expansion assembly, force is continuously applied after the top pressing plate and the bottom pressing plate are connected through the fastening piece, and the expansion can be effectively realized along with the shortening of the distance between the top pressing plate and the bottom pressing plate.
In a specific implementation manner of this embodiment, the fastener includes a compression bolt, a through hole is formed in the top pressing plate, where the through Kong Dai refers to a unthreaded hole that is not specially treated, and a threaded hole is formed in the bottom pressing plate, and the threaded hole is cooperatively connected with the compression bolt that passes through the through hole of the conical expansion body. In an alternative embodiment, the top pressing plate may be provided with a threaded hole, and the bottom pressing plate may be provided with a through hole, which is also effective.
In a specific implementation manner of this embodiment, the outer side of the portion where the threaded hole is provided by the top pressing plate or the bottom pressing plate is a boss structure. The boss structure can improve the structural strength on the basis of not increasing the whole thickness, thereby reducing the cost.
In a specific implementation manner of this embodiment, the split-type spliced sealing body, the top pressing plate and the bottom pressing plate are symmetrically divided into two pieces, and are detachably connected through a first lap joint portion, a second lap joint portion and a third lap joint portion on each two pieces. The split design is mainly used for facilitating installation on a guide wire which is already constructed in an underground structure, and the two guide wires are convenient to operate and favorable for full sealing. The design of concatenation formula can satisfy quick assembly disassembly, specifically can be through realizing through various detachable connected modes such as buckle, bonding, draw-in groove, absorption at overlap joint portion.
An optional implementation manner of this embodiment, the expansion chambers include a first expansion chamber and a second expansion chamber that are arranged alternately, and both of them are in an "i" shape as a whole, and the size of the first expansion chamber is larger than that of the second expansion chamber;
the expansion body comprises a first expansion body with the same shape as the first expansion cavity and a second expansion body with the same shape as the second expansion cavity.
The expansion cavities with the two specifications of the I shape are alternately arranged, the expansion bodies are arranged at the center, after being pressed and expanded, under the guidance of the expansion cavities, the sealing area of the reserved guide pipe towards the lead and the underground structure is strengthened, the expansion bodies with different connected sizes do not interfere in space, can fully extend, and the adjacent expansion bodies can be attached without gaps, so that the full sealing degree of the internal and external bidirectional and circumferential directions is achieved.
In an optional implementation manner of this embodiment, the second expansion cavity and the first expansion cavity are partially overlapped in a joining direction, and an extension groove is further respectively disposed on an inner side and an outer side of the second expansion cavity, so that the extension grooves are aligned with the first expansion cavity. The size of the second expansion cavity is smaller than that of the first expansion cavity, the corresponding second expansion body is also smaller than that of the first expansion body, and the design of the extension groove can accommodate a sealing line with larger size so as to compensate for the partial expansion body vacancy generated by the size difference, so that the compression and expansion effect is more uniform and comprehensive.
In a further preferred implementation manner of this embodiment, the first expansion body is further provided with a first sealing line and a first expansion groove, and the second expansion body is further provided with a second sealing line and a second expansion groove. Preferably, the seal wire and expansion tank are disposed on at least one surface of the expansion body, as in the embodiment shown in fig. 6 and 7, on both surfaces of the reserved conduit facing the wire and the underground structure, and the expansion tank is also opened on the side of the expansion body for opening. Further, on each surface, there may be one expansion tank provided near one end, while a plurality of seal lines are arranged at intervals at the remaining positions.
In the embodiment, regarding the implementation of material selection, the split spliced sealing body can be made of various materials for sealing, preferably silica gel, because of high temperature resistance, good electrical insulation performance and strong weather resistance; the materials of the expansion body and the conical expansion body can be various materials capable of realizing compression expansion, and polymer polyethylene or stainless steel is preferably selected, so that corrosion resistance, cracking resistance and internal and external compression can be better realized.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, but any simple modification and equivalent variation of the above embodiment according to the technical spirit of the present invention falls within the scope of the present invention.
Claims (6)
1. A dual expansion water stopper for an underground structure reservation conduit disposed between a wire penetrating the underground structure reservation conduit and the underground structure reservation conduit, comprising:
the split spliced sealing body is used for sealing and wrapping the lead; the split spliced sealing body is of a revolving body structure, a wire perforation is arranged in the center of the split spliced sealing body, an expansion assembly is arranged on the outer ring of the wire perforation and used for forming bidirectional sealing with a wire and an underground structure reserved conduit after being pressed and expanded; the expansion assembly comprises a sealing structure layer arranged on the split spliced sealing body, a plurality of expansion cavities are annularly arranged on the sealing structure layer, expansion bodies with the same shape are sleeved in the expansion cavities, conical expansion bodies are further concentrically arranged in each expansion body, and a through hole for installing a compression assembly is formed in the center of each conical expansion body; the expansion cavity comprises a first expansion cavity and a second expansion cavity which are arranged at intervals, the two expansion cavities are in an I shape as a whole, and the size of the first expansion cavity is larger than that of the second expansion cavity;
the expansion body comprises a first expansion body with the same shape as the first expansion cavity and a second expansion body with the same shape as the second expansion cavity; the second expansion cavity is partially overlapped with the first expansion cavity in the joint direction, and the inner side and the outer side of the second expansion cavity are respectively provided with an epitaxial groove so as to be aligned with the first expansion cavity; the surface of the first expansion body is also provided with a first sealing line and a first expansion groove, and the surface of the second expansion body is also provided with a second sealing line and a second expansion groove;
and a compressing assembly disposed on the expansion assembly for applying a compressing force to the expansion assembly from both ends.
2. The dual expansion water stopper for a reserved conduit of an underground structure according to claim 1, wherein: the compression assembly comprises an integral annular split top pressing plate and a split bottom pressing plate, wherein the top pressing plate and the bottom pressing plate are respectively arranged on two end faces of the expansion assembly and are connected at the through holes through fasteners.
3. A dual expansion water stop for a reserved conduit of an underground structure according to claim 2, wherein: the fastener comprises a compression bolt, a through hole/threaded hole is formed in the top pressing plate, a threaded hole/through hole is formed in the bottom pressing plate, and the threaded hole is connected with the compression bolt penetrating through the through hole of the conical expansion body in a matched mode.
4. A dual expansion water stop for a preformed conduit of an underground structure according to claim 3, wherein: the outer side of the part of the top pressing plate or the bottom pressing plate provided with the threaded hole is provided with a boss structure.
5. A dual expansion water stop for a reserved conduit of an underground structure according to claim 2 or claim, wherein: the split spliced sealing body, the top pressing plate and the bottom pressing plate are symmetrically divided into two pieces, and the split spliced sealing body, the top pressing plate and the bottom pressing plate are detachably connected through a first lap joint part, a second lap joint part and a third lap joint part on the two pieces.
6. The dual expansion water stopper for a reserved conduit of an underground structure according to claim 1, wherein: the split spliced sealing body is made of silica gel; the materials of the expansion body and the conical expansion body are high molecular polyethylene or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607891.1A CN115117803B (en) | 2022-05-31 | 2022-05-31 | Double-expansion water stopper for reserved conduit of underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210607891.1A CN115117803B (en) | 2022-05-31 | 2022-05-31 | Double-expansion water stopper for reserved conduit of underground structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115117803A CN115117803A (en) | 2022-09-27 |
| CN115117803B true CN115117803B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210607891.1A Active CN115117803B (en) | 2022-05-31 | 2022-05-31 | Double-expansion water stopper for reserved conduit of underground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115117803B (en) |
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| CN203500748U (en) * | 2013-08-11 | 2014-03-26 | 刘立起 | Conical expansion sealing plug |
| CN204533845U (en) * | 2015-04-10 | 2015-08-05 | 缤谷电力科技（上海）有限公司 | The sealing configuration of the general exclusion seal plug of a kind of pore |
| CN205195225U (en) * | 2015-12-23 | 2016-04-27 | 浙江亿电电气有限公司 | Plugging device is fixed to cable |
| CN105864549A (en) * | 2016-06-16 | 2016-08-17 | 江苏扬光机械制造有限公司 | Compound rectangular expansion joint |
| CN106229934A (en) * | 2016-08-19 | 2016-12-14 | 杭州洪鑫电力科技有限公司 | Closure in a kind of cable channel |
| CN206712435U (en) * | 2017-05-09 | 2017-12-05 | 苏州丰年科技股份有限公司 | A kind of cable plugging device |
| CN207122703U (en) * | 2017-09-04 | 2018-03-20 | 浙江亿电电气有限公司 | Pipeline hidden danger arrester |
| CN110932199A (en) * | 2019-11-28 | 2020-03-27 | 中国三冶集团有限公司 | Cable limiting device and sleeve plugging method |
| CN212412648U (en) * | 2020-03-16 | 2021-01-26 | 天津中环安讯达科技有限公司 | Cable pipeline plugging device |
| CN214280883U (en) * | 2020-12-31 | 2021-09-24 | 东翼(天津)智能装备有限公司 | Elastomer high-voltage cable plugging device |
| CN214466687U (en) * | 2021-02-03 | 2021-10-22 | 潘建新 | Special-shaped pipeline penetrating and separating sealing element |
| CN113579629A (en) * | 2021-07-26 | 2021-11-02 | 成都飞机工业（集团）有限责任公司 | Oil pressure expansion positioner for aviation conduit welding fixture and positioning method |
-
2022
- 2022-05-31 CN CN202210607891.1A patent/CN115117803B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203500748U (en) * | 2013-08-11 | 2014-03-26 | 刘立起 | Conical expansion sealing plug |
| CN204533845U (en) * | 2015-04-10 | 2015-08-05 | 缤谷电力科技（上海）有限公司 | The sealing configuration of the general exclusion seal plug of a kind of pore |
| CN205195225U (en) * | 2015-12-23 | 2016-04-27 | 浙江亿电电气有限公司 | Plugging device is fixed to cable |
| CN105864549A (en) * | 2016-06-16 | 2016-08-17 | 江苏扬光机械制造有限公司 | Compound rectangular expansion joint |
| CN106229934A (en) * | 2016-08-19 | 2016-12-14 | 杭州洪鑫电力科技有限公司 | Closure in a kind of cable channel |
| CN206712435U (en) * | 2017-05-09 | 2017-12-05 | 苏州丰年科技股份有限公司 | A kind of cable plugging device |
| CN207122703U (en) * | 2017-09-04 | 2018-03-20 | 浙江亿电电气有限公司 | Pipeline hidden danger arrester |
| CN110932199A (en) * | 2019-11-28 | 2020-03-27 | 中国三冶集团有限公司 | Cable limiting device and sleeve plugging method |
| CN212412648U (en) * | 2020-03-16 | 2021-01-26 | 天津中环安讯达科技有限公司 | Cable pipeline plugging device |
| CN214280883U (en) * | 2020-12-31 | 2021-09-24 | 东翼(天津)智能装备有限公司 | Elastomer high-voltage cable plugging device |
| CN214466687U (en) * | 2021-02-03 | 2021-10-22 | 潘建新 | Special-shaped pipeline penetrating and separating sealing element |
| CN113579629A (en) * | 2021-07-26 | 2021-11-02 | 成都飞机工业（集团）有限责任公司 | Oil pressure expansion positioner for aviation conduit welding fixture and positioning method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115117803A (en) | 2022-09-27 |
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