CN216951643U - Sealing assembly for photovoltaic tubular pile and photovoltaic device - Google Patents
Sealing assembly for photovoltaic tubular pile and photovoltaic device Download PDFInfo
- Publication number
- CN216951643U CN216951643U CN202220282664.1U CN202220282664U CN216951643U CN 216951643 U CN216951643 U CN 216951643U CN 202220282664 U CN202220282664 U CN 202220282664U CN 216951643 U CN216951643 U CN 216951643U
- Authority
- CN
- China
- Prior art keywords
- sealing
- photovoltaic
- hole
- sealing structure
- tubular pile
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a sealing assembly for a photovoltaic tubular pile and a photovoltaic device. Photovoltaic is sealing assembly for tubular pile includes: the sealing structure defines a first through hole for penetrating the photovoltaic tubular pile and an opening communicated with the first through hole, and has deformation capacity; the compaction structure is arranged at the periphery of the sealing structure, a second through hole is formed in the compaction structure, the sealing structure is located in the second through hole, the anti-seepage film is located between the sealing structure and the compaction structure, and the compaction structure is provided with a first position and a second position, wherein the first position and the second position are separated from the sealing structure, and the anti-seepage film can be tightly pressed on the outer wall surface of the sealing structure. According to the photovoltaic tubular pile sealing assembly, the anti-seepage film can be connected with the photovoltaic tubular pile in a sealing mode.
Description
Technical Field
The utility model relates to the technical field of photovoltaics, in particular to a sealing assembly for a photovoltaic tubular pile and a photovoltaic device.
Background
A large amount of land is occupied by a traditional sea salt tedding mode, the salt pan land is utilized for carrying out composite utilization on a photovoltaic project, the bottleneck of development resources of photovoltaic in east coastal areas can be relieved, and economic output value and benefit can be improved for the salt pan land. In the initial stage of salt pan construction, the bottom is paved with an anti-seepage film to prevent brine loss, and during photovoltaic construction, a photovoltaic bracket and a photovoltaic module are required to be fixed by piling in the salt pan, so that the piling can destroy the original anti-seepage film.
Therefore, how to provide a sealing assembly for a photovoltaic tubular pile, which can connect an impermeable film and the photovoltaic tubular pile in a sealing manner, is a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a sealing assembly for a photovoltaic tubular pile and a photovoltaic device.
In order to achieve the above object, the present invention provides a sealing assembly for a photovoltaic pipe pile, including: the sealing structure defines a first through hole for penetrating the photovoltaic tubular pile and an opening communicated with the first through hole, and has deformation capacity; the compaction structure is arranged at the periphery of the sealing structure, a second through hole is formed in the compaction structure, the sealing structure is located in the second through hole, the anti-seepage film is located between the sealing structure and the compaction structure, and the compaction structure is provided with a first position and a second position, wherein the first position and the second position are separated from the sealing structure, and the anti-seepage film can be tightly pressed on the outer wall surface of the sealing structure.
Further, the sealing structure comprises a conical sleeve, and one side of the conical sleeve, which faces the compaction structure, is provided with a first conical surface; the second through hole comprises a first hole section, a second conical surface matched with the first conical surface is arranged on the first hole section, and the anti-seepage film is arranged on the periphery of the photovoltaic tubular pile and located between the first conical surface and the second conical surface.
Further, the sealing structure further comprises a shaft sleeve connected with the conical sleeve, the second through hole further comprises a second hole section communicated with the first hole section, and the inner wall surface of the second hole section is in sealing fit with the outer wall surface of the shaft sleeve.
Further, the seal structure comprises a first seal body and a second seal body connected with the first seal body, the outer diameter of the first seal body is gradually reduced along the axis direction of the seal structure from the direction far away from the second seal body, and the compression structure is located on the periphery of the second seal body.
Further, the compression structure comprises a throat hoop positioned at the periphery of the second sealing body; or, compact structure includes the clamp, and the clamp includes: the two half hoops are respectively positioned on two opposite sides of the second sealing body to enclose a second through hole; the retaining member, two half clamps pass through retaining member detachably and connect.
Furthermore, when the pressing structure comprises a hoop, the number of the locking parts is two, the two opposite ends of the half hoop are respectively provided with an installation through hole, and the hoop further comprises two anti-falling parts which are arranged corresponding to the two locking parts; the retaining member passes behind the installation through-hole on two half clamps and is connected with anticreep piece.
Further, the sealing assembly for the photovoltaic tube pile further comprises a protection piece located between the compaction structure and the sealing structure.
Further, the sealing structure is made of a rubber material or a polyurethane material.
Furthermore, the sealing structure is composed of two annular sealing sections, the two sealing sections surround to form a first through hole, a gap is formed between the end faces of the two sealing sections, which are arranged in opposite directions, and the gap forms an opening.
According to another aspect of the present invention, there is provided a photovoltaic device comprising: a photovoltaic support; the photovoltaic tubular pile is used for fixing the photovoltaic support and penetrates through the anti-seepage film; the sealing structure of the sealing assembly for the photovoltaic tubular pile is connected with the photovoltaic tubular pile in a sealing manner.
By applying the technical scheme of the utility model, the sealing structure positioned at the periphery of the photovoltaic tubular pile and the pressing structure used for pressing the anti-seepage film on the sealing structure are arranged, so that the anti-seepage film can be clamped between the sealing structure and the pressing structure, and the sealing structure with deformability deforms after being pressed and has a small opening by arranging the first through hole and the opening communicated with the first through hole when the pressing structure is pressed on the sealing structure, so that the sealing structure and the photovoltaic tubular pile can be connected in a sealing manner, and further the anti-seepage film can be connected with the photovoltaic tubular pile in a sealing manner.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 shows a schematic structural diagram of a sealing assembly for photovoltaic tube piles according to a first embodiment of the present invention;
fig. 2 shows a structural schematic view of a sealing structure of the sealing assembly for photovoltaic tube stakes of fig. 1;
fig. 3 is a schematic structural view illustrating a compressing structure of the sealing assembly for photovoltaic tube stakes of fig. 1;
fig. 4 is a schematic structural view illustrating a sealing assembly for a photovoltaic tube pile according to a second embodiment of the present invention;
fig. 5 is an exploded schematic view of the sealing assembly for photovoltaic tube stakes of fig. 4;
fig. 6 is a schematic structural view illustrating a sealing assembly for a photovoltaic tube pile according to a third embodiment of the present invention;
fig. 7 shows an exploded structural schematic view of the sealing assembly for photovoltaic tube stakes of fig. 6; and
fig. 8 shows a schematic structural view of a hoop of the sealing assembly for photovoltaic tube stakes of fig. 6.
Wherein the figures include the following reference numerals:
10. a sealing structure; 11. a first through hole; 12. an opening; 13. a conical sleeve; 14. a shaft sleeve; 15. a first seal body; 16. A second seal body; 20. photovoltaic tubular piles; 30. a compression structure; 31. a second through hole; 32. a first bore section; 33. a second bore section; 34. half clamping; 35. a locking member; 40. a hose clamp; 50. a guard; 60. and (3) a seepage-proofing film.
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.
The sealing between the impermeable film and the photovoltaic tube stake is known to the inventor in two ways. One is that a new anti-seepage film is wrapped around the photovoltaic pipe pile through hot melting or glue bonding technology, the new anti-seepage film and the original old anti-seepage film of the salt pan are hot melted or bonded and sealed, because the ground is uneven and the anti-seepage film is about 0.04mm thick, the temperature and speed of a thermoplastic gun are difficult to keep stable manually during field hot melting, thus the hot melting quality is poor, and the situation that the photovoltaic pipe pile cannot be firmly bonded occurs at the crease line during glue bonding, thereby reducing the sealing effect; the other mode can also adopt the mode of integrally replacing the impermeable membrane, the sandy soil on the upper layer of the original impermeable membrane is completely removed, the thickened high-density polyethylene geomembrane is used for wrapping all the photovoltaic tubular piles and the ground, then the photovoltaic tubular piles and the ground are welded through special equipment, and the removed sandy soil is covered on the geomembrane, so that the impermeable requirement can be met, but the sealing modes are all complex.
Example one
Therefore, as shown in fig. 1, in the first embodiment of the present invention, a sealing assembly for a photovoltaic tube pile, which has a simple structure and a good sealing effect, is provided. The sealing assembly for the photovoltaic pipe pile comprises a sealing structure 10 and a compression structure 30. The sealing structure 10 defines a first through hole 11 for penetrating the photovoltaic pipe pile 20 and an opening 12 communicated with the first through hole 11, and the sealing structure 10 has deformation capacity; the compression structure 30 is arranged on the periphery of the sealing structure 10, the compression structure 30 is provided with a second through hole 31, the sealing structure 10 is located in the second through hole 31, the anti-seepage film 60 is located between the sealing structure 10 and the compression structure 30, and the compression structure 30 is provided with a first position and a second position, wherein the first position can compress the anti-seepage film 60 on the outer wall surface of the sealing structure 10, and the second position is disengaged from the sealing structure 10.
Among the above-mentioned technical scheme, through setting up the seal structure 10 that is located the periphery of photovoltaic tubular pile 20 and being used for preventing that osmosis membrane 60 compresses tightly the compact structure 30 on seal structure 10, can press from both sides prevention osmosis membrane 60 between seal structure 10 and compact structure 30 like this, through setting up first through-hole 11 and the opening 12 with first through-hole 11 intercommunication, like this, when compact structure 30 compresses tightly on seal structure 10, the seal structure 10 that has deformability produces the deformation after receiving the pressure, the opening diminishes, thereby can make sealing connection between seal structure 10 and the photovoltaic tubular pile 20, and then can be with preventing osmosis membrane 60 and photovoltaic tubular pile 20 sealing connection.
Specifically, in the first embodiment of the present invention, the sealing structure 10 is placed at the bottom of the impermeable membrane 60, and the pressing structure 30 is pressed onto the sealing structure 10 from above, so that the impermeable membrane 60 is located between the sealing structure 10 and the pressing structure 30.
Specifically, in the first embodiment of the present invention, the opening is generally smaller than 20mm, so that a contraction gap can be reserved for the sealing structure 10.
Preferably, in the first embodiment of the present invention, asphalt or glue may be applied between the photovoltaic pipe pile 20 and the sealing structure 10, so that a gap between the sealing structure 10 and the photovoltaic pipe pile 20 may be filled, thereby achieving a better sealing effect.
In the first embodiment of the present invention, the impermeable membrane 60 is clamped between the pressing structure 30 and the sealing structure 10 by pressing, so that the construction is more convenient and faster, and the cost is lower.
As shown in fig. 2 and 3, in the first embodiment of the present invention, the sealing structure 10 includes a tapered sleeve 13, and a side of the tapered sleeve 13 facing the pressing structure 30 has a first tapered surface; the second through hole 31 includes a first hole section 32, a second tapered surface matched with the first tapered surface is provided on the first hole section 32, and the impermeable film 60 is provided at the periphery of the photovoltaic pipe pile 20 and located between the first tapered surface and the second tapered surface.
In the above technical solution, by providing the first tapered surface and the second tapered surface matching with the first tapered surface, and by disposing the impermeable membrane 60 between the first tapered surface and the second tapered surface, sealing can be achieved by the tapered surfaces.
In an alternative embodiment, as shown in fig. 3, the hold-down structure 30 is a hold-down ring. The second through hole 31 is provided to penetrate in the axial direction of the clamp ring. The compression ring can be one or more of a circular ring, a rectangular ring, a conical ring and the like.
As shown in fig. 2 and 3, in the first embodiment of the present invention, the sealing structure 10 further includes a shaft sleeve 14 connected to the tapered sleeve 13, the second through hole 31 further includes a second hole section 33 communicated with the first hole section 32, and an inner wall surface of the second hole section 33 is in sealing engagement with an outer wall surface of the shaft sleeve 14.
Through the arrangement, the sealing structure 10 and the compressing structure 30 can be matched more tightly and firmly, so that the anti-seepage film 60 can be better connected with the photovoltaic tubular pile 20 in a sealing manner.
Preferably, in the first embodiment of the present invention, the second hole section 33 and the sleeve 14 are in interference fit.
Preferably, in the first embodiment of the present invention, the sealing structure 10 is made of a rubber material or a polyurethane material. In this way, the seal structure 10 may be significantly deformed under compression, thereby increasing the sealing effectiveness of the seal assembly.
Preferably, in the first embodiment of the present invention, the sealing structure 10 is formed by injection molding of a rubber material.
As shown in fig. 1 and 2, in the first embodiment of the present invention, the sealing structure 10 is two annular sealing segments, the two sealing segments surround the first through hole 11, a gap is formed between the end surfaces of the two sealing segments, and the gap forms the opening 12. In this way, the sealing structure 10 can be more conveniently installed at the outer circumference of the photovoltaic pile 20.
Of course, in alternative embodiments not shown in the drawings, the number of annular seal segments could also be three or four, etc., as long as it is ensured that a full circle remains after tightening. Alternatively, the sealing structure 10 may be an integral annular sealing member, and an additional opening is provided on the annular sealing member, and the additional opening may be an opening that completely breaks the sealing structure 10, or an opening that is not completely broken.
As shown in fig. 1, a photovoltaic device is provided according to a first embodiment of the present invention. Photovoltaic device includes photovoltaic support, photovoltaic tubular pile 20 and foretell sealing component for photovoltaic tubular pile. The photovoltaic tubular pile 20 is used for fixing a photovoltaic support, and the photovoltaic tubular pile 20 penetrates through the impermeable film 60; the sealing structure 10 is connected with the photovoltaic pipe pile 20 in a sealing manner. Above-mentioned photovoltaic device has foretell photovoltaic tubular pile and uses sealing assembly's whole advantages, and it is no longer repeated here.
Example two
As shown in fig. 4 and 5, the second embodiment of the present invention is different from the first embodiment in that the seal structure 10 includes a first seal body 15 and a second seal body 16 connected to the first seal body 15, an outer diameter of the first seal body 15 is gradually reduced from a direction away from the second seal body 16 in an axial direction of the seal structure 10, and the hold-down structure 30 is located on an outer periphery of the second seal body 16.
With the above arrangement, the pressing structure 30 can be more conveniently installed at the periphery of the second sealing body 16, thereby facilitating the installation of the sealing assembly.
As shown in fig. 4, in the second embodiment of the present invention, the compressing structure 30 includes a throat band 40 located at the periphery of the second sealing body 16. Therefore, the throat hoop 40 can be tightened through the bolt, so that the anti-seepage film 60, the sealing structure 10 and the photovoltaic tubular pile 20 are sealed together, and the anti-seepage effect is achieved. Securing the impermeable membrane 60 with the throat band 40 may also improve reliability over gluing.
Preferably, in the second embodiment of the present invention, the inner diameter of the throat band 40 matches the outer diameter of the second seal body 16, so that the throat band 40 can be steplessly contracted by tightening bolts on one side of the throat band 40 until the impermeable membrane 60 is pressed against the seal structure 10.
As shown in fig. 5, in the second embodiment of the present invention, the sealing assembly for photovoltaic tube stakes further includes a guard member 50 located between the compression structure 30 and the sealing structure 10.
With the above arrangement, the protection member 50 can protect the impermeable membrane 60 to prevent the throat hoop 40 from damaging the impermeable membrane 60 during tightening.
Other structures of the second embodiment of the present invention are the same as those of the first embodiment, and are not described herein again.
EXAMPLE III
As shown in fig. 6 and 8, the third embodiment of the present invention is different from the second embodiment in that the pressing structure 30 includes a clamp, which includes two half clamps 34 and a locking member 35. Wherein, the two half bands 34 are respectively positioned at two opposite sides of the second sealing body 16 to enclose the second through hole 31; the two halves 34 are detachably connected by means of locking elements 35. Therefore, the hoop can be tightly held on the anti-seepage film 60 and the sealing structure 10 by screwing the locking piece 35, so that the anti-seepage film 60, the sealing structure 10 and the photovoltaic tubular pile 20 are sealed together, and the anti-seepage effect is achieved.
Specifically, in the third embodiment of the present invention, a contraction gap is reserved between the two half bands 34, and the gap is generally less than 20 mm. Tightening of the locking member 35 causes the band halves 34 to contract inwardly and compress against the barrier membrane 60 and the seal 10.
Preferably, in the third embodiment of the present invention, the half band 34 is a semicircular hoop.
As shown in fig. 7 and 8, in the third embodiment of the present invention, there are two locking members 35, the two opposite ends of the half band 34 are respectively provided with a mounting through hole, and the band further includes two anti-falling members corresponding to the two locking members 35; the locking piece 35 passes through the mounting through holes on the two half hoops 34 and then is connected with the anti-falling piece. In this way, the locking member 35 is prevented from falling off the half band 34, and the connection of the two half bands 34 can be made more secure.
Specifically, in the third embodiment of the present invention, one locking member 35 of the two locking members 35 is used to connect the same end of the two half-bands 34, and the other locking member 35 of the two locking members 35 is used to connect the other end of the two half-bands 34.
Of course, in an alternative embodiment not shown in the drawings, it is also possible to provide that one end of the two half-bands 34 is pivotally connected and the other end of the two half-bands 34 is detachably connected by means of the locking member 35.
Other structures of the third embodiment of the present invention are the same as those of the second embodiment, and are not described herein again.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: through setting up the seal structure that is located the periphery of photovoltaic tubular pile and being used for compressing tightly the compact structure on seal structure with prevention of seepage membrane, can press from both sides prevention of seepage membrane between seal structure and compact structure like this, through setting up first through-hole and with the opening of first through-hole intercommunication, like this, when compact structure compresses tightly on seal structure, the seal structure that has deformability produces after receiving pressure and warp, the opening diminishes, thereby can make sealing connection between seal structure and the photovoltaic tubular pile, and then can be with prevention of seepage membrane and photovoltaic tubular pile sealing connection.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a photovoltaic is seal assembly for tubular pile which characterized in that includes:
the sealing structure (10) defines a first through hole (11) for penetrating the photovoltaic pipe pile (20) and an opening (12) communicated with the first through hole (11), and the sealing structure (10) has deformation capacity;
the anti-seepage structure comprises a compression structure (30) arranged on the periphery of the sealing structure (10), a second through hole (31) is formed in the compression structure (30), the sealing structure (10) is located in the second through hole (31), an anti-seepage film (60) is located between the sealing structure (10) and the compression structure (30), and the compression structure (30) is provided with a first position and a second position, wherein the first position and the second position can enable the anti-seepage film (60) to be compressed on the outer wall surface of the sealing structure (10) and the second position is separated from the sealing structure (10).
2. The sealing assembly for photovoltaic pipe piles according to claim 1, characterized in that the sealing structure (10) comprises a tapered sleeve (13), a side of the tapered sleeve (13) facing the compression structure (30) having a first tapered surface;
second through-hole (31) include first hole section (32), be equipped with on first hole section (32) with first toper surface complex second toper surface, prevention of seepage membrane (60) set up the periphery of photovoltaic tubular pile (20) is located first toper surface with between the second toper surface.
3. The sealing assembly for the photovoltaic pipe pile according to claim 2, wherein the sealing structure (10) further comprises a shaft sleeve (14) connected with the tapered sleeve (13), the second through hole (31) further comprises a second hole section (33) communicated with the first hole section (32), and an inner wall surface of the second hole section (33) is in sealing fit with an outer wall surface of the shaft sleeve (14).
4. The sealing assembly for the photovoltaic pipe pile according to claim 1, wherein the sealing structure (10) comprises a first sealing body (15) and a second sealing body (16) connected with the first sealing body (15), the outer diameter of the first sealing body (15) is gradually reduced from the direction away from the second sealing body (16) along the axial direction of the sealing structure (10), and the compression structure (30) is located at the periphery of the second sealing body (16).
5. The seal assembly for photovoltaic tube stake of claim 4,
the compression structure (30) comprises a throat band (40) located at the periphery of the second seal body (16);
alternatively, the compression structure (30) comprises a clamp, the clamp comprising:
two half-hoops (34) respectively positioned on two opposite sides of the second sealing body (16) to enclose the second through hole (31);
a retaining member (35), by means of which the two half-bands (34) are detachably connected.
6. The sealing assembly for the photovoltaic tubular pile as claimed in claim 5, wherein when the compression structure (30) comprises a clamp, the number of the locking members (35) is two, the two opposite ends of the half clamp (34) are respectively provided with a mounting through hole, and the clamp further comprises two anti-falling members corresponding to the two locking members (35);
retaining member (35) pass two behind the installation through-hole on half clamp (34) with the anticreep piece is connected.
7. The sealing assembly for photovoltaic pipe stakes according to any one of claims 1 to 6, further comprising a guard (50) between the compression structure (30) and the sealing structure (10).
8. The sealing assembly for photovoltaic tube stakes according to any one of claims 1 to 6, wherein the sealing structure (10) is made of a rubber material or a polyurethane material.
9. The sealing assembly for the photovoltaic pipe pile according to any one of claims 1 to 6, wherein the sealing structure (10) is two annular sealing sections, the two sealing sections enclose the first through hole (11), and a gap is formed between the end faces of the two sealing sections, which are arranged opposite to each other, and the gap forms the opening (12).
10. A photovoltaic device, comprising:
a photovoltaic support;
the photovoltaic tubular pile (20) is used for fixing the photovoltaic support, and the photovoltaic tubular pile (20) penetrates through the anti-seepage film (60);
the sealing assembly for photovoltaic pipe stake of any one of claims 1 to 9, said sealing structure (10) being in sealing connection with said photovoltaic pipe stake (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220282664.1U CN216951643U (en) | 2022-02-11 | 2022-02-11 | Sealing assembly for photovoltaic tubular pile and photovoltaic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220282664.1U CN216951643U (en) | 2022-02-11 | 2022-02-11 | Sealing assembly for photovoltaic tubular pile and photovoltaic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216951643U true CN216951643U (en) | 2022-07-12 |
Family
ID=82318867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220282664.1U Active CN216951643U (en) | 2022-02-11 | 2022-02-11 | Sealing assembly for photovoltaic tubular pile and photovoltaic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216951643U (en) |
-
2022
- 2022-02-11 CN CN202220282664.1U patent/CN216951643U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE67344B1 (en) | Composite sleeve method for its assembly and joint comprising application thereof | |
| US1497549A (en) | Structural joint | |
| KR101219197B1 (en) | Structure and Method of pipe connection for water piping | |
| CN210716321U (en) | Outer waterproof construction of building wall pipeline | |
| CN216951643U (en) | Sealing assembly for photovoltaic tubular pile and photovoltaic device | |
| JPS58180894A (en) | Method of laying underground pipeline and pipe for spare press for said method | |
| KR100560438B1 (en) | Polymer material collar pipe | |
| JP2007332680A (en) | Pipe connecting portion structure for rainwater storage and penetration equipment | |
| CN107747661A (en) | Spigot-and-socket joint for running water pipe seepage is not cut off the water fast plugging device | |
| US3862771A (en) | Electrically insulating tube coupling | |
| CN214363911U (en) | Sealing structure for waste liquid pipeline at bottom of refuse landfill | |
| KR20060010699A (en) | Structure for connecting the branch pipe | |
| CN211624441U (en) | Basement wall pipe waterproof construction | |
| AU2016201466B2 (en) | Apparatus and method for providing an interstitial space | |
| JP7002140B2 (en) | Suspended scaffolding | |
| CN210196712U (en) | Sealing assembly and gas sleeve | |
| JP3162098B2 (en) | Repair structure for underground pipeline and method of manufacturing the same | |
| JPH0337077B2 (en) | ||
| CN219712555U (en) | Penetrating connecting structure of seepage guiding pipe and seepage preventing film | |
| CN212298090U (en) | Plastic composite pipe without sealing ring | |
| JPH03223596A (en) | Leakage preventive device for tube | |
| CN204920973U (en) | Shield constructs takes water connection to receive interim sealing device of portal | |
| KR102081436B1 (en) | Waterproof sheet and constructing method thereof | |
| JP2829373B2 (en) | Pipe inner surface leakage prevention tool | |
| KR200203749Y1 (en) | Corrugated steel pipe joining device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |