CN108692101B - Construction method of HDPE plastic steel winding drain pipe - Google Patents
Construction method of HDPE plastic steel winding drain pipe Download PDFInfo
- Publication number
- CN108692101B CN108692101B CN201810804681.5A CN201810804681A CN108692101B CN 108692101 B CN108692101 B CN 108692101B CN 201810804681 A CN201810804681 A CN 201810804681A CN 108692101 B CN108692101 B CN 108692101B
- Authority
- CN
- China
- Prior art keywords
- drain pipe
- construction method
- groove
- hdpe plastic
- rod
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
- F16L1/036—Laying or reclaiming pipes on land, e.g. above the ground in the ground the pipes being composed of sections of short length
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/02—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets partly surrounding the pipes, cables or protective tubing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a construction method of a HDPE plastic steel winding drain pipe, which belongs to the technical field of drain pipes and solves the problem that when the drain pipe is buried in a deeper position, the drain pipe is easy to deform due to overlarge pressure to cause leakage or damage, and the technical scheme has the key points that: s1: excavating a groove and tamping the bottom of the groove; s2: paving a cement leveling layer at the bottom of the groove, arranging support rods for supporting the drain pipe in the cement leveling layer, symmetrically and obliquely arranging the support rods on two sides of the drain pipe, and arranging a plurality of support rods at equal intervals along the trend of the drain pipe; s3: feeding the drain pipe into the groove, enabling the side wall of the drain pipe to be abutted against the support rod, and splicing the drain pipe with the installed drain pipe in the groove; s4: the drain pipes are connected through a hot melting contraction band or an electric hot melting band; s5: backfilling soil into the trench; s6: the ground surface is tamped, and the pressure resistance of the HDPE plastic steel wound drain pipe can be improved, so that the HDPE plastic steel wound drain pipe can adapt to installation at a deeper underground position.
Description
Technical Field
The invention relates to the technical field of drain pipes, in particular to a construction method of a HDPE plastic steel winding drain pipe.
Background
The drainage pipe is used for a rainwater pipe and a sewage pipe with the internal water pressure not more than 0.1MPa, and can also be used for pressure drainage, a power cable pipe and the like under the conditions of design calculation and special process treatment.
The HDPE plastic steel winding drain pipe has the advantages of corrosion resistance, light weight, simple and convenient installation, large flow rate, long service life and the like, can be used for replacing pipes made of high-energy-consumption materials (cement, cast iron, glass steel pipes, ceramics and the like), and belongs to an environment-friendly green product.
The prior art HDPE plastic-steel wound drain pipe is shown in fig. 1 and 2, and comprises an inner pipe 24 and an outer pipe 25 spirally wound outside the inner pipe 24.
Compared with rigid pipes such as cement, cast iron and the like, the HDPE plastic steel wound drain pipe has the characteristics of lighter weight and weaker deformation resistance, and when the drain pipe is buried in a deeper position underground, the drain pipe is easy to deform due to overlarge pressure to cause leakage or damage.
Disclosure of Invention
The invention aims to provide a construction method of an HDPE plastic-steel wound drain pipe, which can improve the pressure resistance of the HDPE plastic-steel wound drain pipe, so that the HDPE plastic-steel wound drain pipe can adapt to installation at a deeper underground position.
The technical purpose of the invention is realized by the following technical scheme:
a construction method of an HDPE plastic steel winding drain pipe comprises the following steps:
s1: excavating a groove and tamping the bottom of the groove;
s2: paving a cement leveling layer at the bottom of the groove, arranging support rods for supporting the drain pipe in the cement leveling layer, wherein the support rods are symmetrically and obliquely arranged on two sides of the drain pipe, and a plurality of support rods are arranged at equal intervals along the trend of the drain pipe;
s3: feeding the drain pipe into the groove, enabling the side wall of the drain pipe to be abutted against the support rod, and splicing the drain pipe with the installed drain pipe in the groove;
s4: the drain pipes are connected through a hot melting contraction band or an electric hot melting band;
s5: backfilling soil into the trench;
s6: tamping the ground surface.
Adopt above-mentioned scheme, through set up the bracing piece that supports the drain pipe in the slot, the bracing piece setting supports the drain pipe in the both sides of drain pipe, and the pressure that the drain pipe received after soil backfills can transmit to the cement screed-coat through the bracing piece, and the holding power of the bracing piece of both sides and the pressure of soil can form the application of force of triangle-shaped direction simultaneously, can effectively avoid the deformation of drain pipe.
Preferably, the included angle between the two side supporting rods is 120 degrees.
Adopt above-mentioned scheme, the pressure that gives the drain pipe after earth backfills is vertical decurrent power, through setting up the contained angle between the bracing piece of both sides to 120, can make the atress of drain pipe more even, reduces the emergence of the drain pipe local deformation condition.
Preferably, the support rod is provided with a butt joint head which abuts against the drain pipe, the butt joint head comprises a first butt joint part which abuts against the side wall of the inner pipe and a second butt joint part which abuts against the side wall of the outer pipe, and the first butt joint part and the second butt joint part are arc-shaped structures which are attached to the inner pipe and the outer pipe.
By adopting the scheme, the first abutting part and the second abutting part of the arc-shaped structure can increase the abutting surfaces with the drain pipe, so that a better supporting effect is achieved.
Preferably, the support rod is provided with a rubber pad outside the first abutting part and the second abutting part.
By adopting the scheme, the rubber pad can avoid the rigid damage of the drain pipe caused by the support rod.
Preferably, the support rod is connected with a binding rope.
Adopt above-mentioned scheme, through the design of tying up the rope, can tie up the drain pipe through tying up the rope after the drain pipe installation finishes, avoid the not hard up of drain pipe.
Preferably, the two ends of the drain pipe are respectively provided with a female connecting end with an outward expansion opening and a male connecting end with an inward contraction opening, and the female connecting end of the drain pipe can be sleeved outside the male connecting end of the adjacent drain pipe.
By adopting the scheme, the drain pipes on two sides can be conveniently connected by connecting the female end and the connecting sub end, so that the drain pipes are conveniently connected through the hot melting shrinkage belt or the electric hot melting belt.
Preferably, a sealing ring is arranged on the outer side of the connecting female end and is made of water-absorbing expansion materials.
By adopting the scheme, when water overflows from the gap between the two rows of water pipes, the sealing ring can absorb water and expand to fill the gap between the two rows of water pipes, so that the water is not leaked.
Preferably, a compression piece for compressing the sealing ring is arranged at the joint of two adjacent water discharge pipes, the compression piece comprises a first contraction ring, a second contraction ring and a compression rod for connecting the first contraction ring and the second contraction ring, the first contraction ring and the second contraction ring are respectively sleeved on the outer sides of the two water discharge pipes, and the compression rod is pressed on the outer sides of the sealing rings.
By adopting the scheme, the pressing piece is arranged, so that the sealing ring can be better deformed inwards under the action of the pressing rod when water leaks, and a gap is filled; in addition, the first shrink ring and the second shrink ring can be respectively sleeved on the outer sides of two adjacent rows of water pipes, so that the compression rod can better compress the sealing ring.
Preferably, S4 and S5 are further provided with S4.1: plugging a preformed hole at the joint of the drain pipe and the catch basin or the sewage well, pouring water into one end of the connected drain pipe, and checking whether the connected drain pipe leaks water.
Adopt above-mentioned scheme, can inspect the leakproofness of drain pipe to the drain pipe that avoids leaking is put into use.
Preferably, the groove is in an inverted trapezoidal shape.
Adopt above-mentioned scheme, set up to the shape of falling the trapezoid through with the slot, made things convenient for to put into the drain pipe in the slot, when backfilling soil to the slot in, soil can roll into the bottom of drain pipe in order to conveniently fill the bottom of drain pipe along the oblique lateral wall of slot, makes the drain pipe more firm.
In conclusion, the invention has the following beneficial effects:
1. the supporting rods fixed on the drain pipe are respectively arranged on the two sides of the drain pipe in the groove, so that the mounted drain pipe is not easy to move transversely and longitudinally, the drain pipe can be prevented from loosening, and meanwhile, the included angle between the supporting rods on the two sides is 120 degrees, so that the stress of the drain pipe is more uniform, and the drain pipe is prevented from being leaked and damaged due to deformation;
2. set up to connecting female end and connector end through the drain pipe both ends, connect female end and cup joint and can make things convenient for the connection of two adjacent rows of water pipes in the connector end outside, and the sealing washer that connects the female end outside setting simultaneously is compressed tightly by compressing tightly the piece, can avoid the drain pipe junction to appear leaking that the gap leads to.
Drawings
FIG. 1 is a schematic structural view of a conventional drain pipe;
FIG. 2 is a cross-sectional view of a prior art drain pipe;
FIG. 3 is a structural connection diagram of the drain pipe installed into the trench;
FIG. 4 is a schematic cross-sectional view of the drain pipe after installation into the trench;
FIG. 5 is an exploded view of the support rod and rubber pad;
FIG. 6 is a cross-sectional view of the drain pipe of the present invention after being connected to a sealing ring;
FIG. 7 is a schematic view of two rows of water tubes connected together;
FIG. 8 is a schematic structural view of the pressing member;
fig. 9 is a schematic view of the binding rope and the support rod after binding.
In the figure: 1. a trench; 11. a cement leveling layer; 2. a drain pipe; 21. connecting the female end; 22. a connector terminal; 23. a seal ring; 24. an inner tube; 25. an outer tube; 3. a support bar; 31. a reinforcing bar; 32. a butting head; 321. a first abutting portion; 322. a second abutting portion; 33. a rubber pad; 4. a compression member; 41. a first shrink ring; 42. a second shrink ring; 43. a hold down bar; 5. and (5) binding the rope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 3, a construction method of a HDPE plastic steel winding drain pipe comprises the following specific steps:
s1: excavating the ground surface by using an excavator to form an inverted trapezoidal groove 1, and tamping the groove 1 by using a tamper after the groove 1 is excavated, so that the soil on the side wall and the bottom surface of the groove 1 becomes hard and stable;
s2: referring to fig. 4, a cement leveling layer 11 is laid at the bottom of the groove 1, and supporting rods 3 for supporting the drain pipe 2 are arranged in the cement leveling layer 11, wherein the supporting rods 3 are symmetrically and obliquely arranged on two sides of the drain pipe 2, and a plurality of the supporting rods are arranged at equal intervals along the trend of the drain pipe 2; the included angle of the support rods 3 on the two sides is 120 degrees, the support rods 3 are connected with reinforcing rods 31 which are also inserted into the cement leveling layer 11, and the reinforcing rods 31 and the support rods 3 form a herringbone structure;
referring to fig. 5, the support rod 3 is provided with a contact head 32 which abuts against the drain pipe 2, the contact head 32 has a first contact portion 321 which supports the side wall of the inner pipe 24 and a second contact portion 322 which is located on both sides of the first contact portion 321 and abuts against the side wall of the outer pipe 25, wherein the first contact portion 321 and the second contact portion 322 are both arc-shaped structures which are attached to the inner pipe 24 and the outer pipe 25, and a rubber pad 33 is provided outside the first contact portion 321 and the second contact portion 322.
S3: referring to fig. 3, 6 and 7, the drain pipes 2 are fed into the trench 1 and the drain pipes 2 are sequentially spliced, wherein the two ends of each drain pipe 2 are respectively a female connecting end 21 with an outward expanded opening and a male connecting end 22 with an inward contracted opening, the female connecting end 21 of each drain pipe 2 is sleeved outside the male connecting end 22 of the adjacent drain pipe 2 to complete the splicing of the drain pipes 2, and then the drain pipes 2 are placed on the support rods 3 and abut against the abutting heads 32 of the support rods 3.
The outer side of the connecting female end 21 is also provided with a sealing ring 23, the sealing ring 23 is made of water-absorbing expansion material, in the embodiment, the water-absorbing expansion material is preferably water-absorbing resin, and when water leaks from the connecting part between the two rows of water pipes 2, the water-absorbing resin can absorb the water-absorbing expansion material and expand the water-absorbing expansion material to fill the gap.
S4: referring to fig. 8, the drain pipe 2 is connected by a thermal fusion contraction band or an electric fusion band (neither of them is shown), and the rubber gasket 33 is fusion-bonded to the drain pipe 2 while the drain pipe 2 is connected by the thermal fusion contraction band or the electric fusion band; after two adjacent rows of water pipes 2 are connected, a compressing member 4 for compressing the sealing ring 23 is further arranged at the joint of the two rows of water pipes 2, the compressing member 4 comprises a first contraction ring 41, a second contraction ring 42 and a compressing rod 43 for connecting the first contraction ring 41 and the second contraction ring 42, the first contraction ring 41 and the second contraction ring 42 are respectively sleeved on the outer sides of the two rows of water pipes 2, and the compressing rod 43 is pressed on the outer side of the sealing ring 23.
S4.1: plugging a preformed hole at the joint of the drain pipe 2 and the catch basin or the sewage well, then pouring water into one end of the connected drain pipe 2, and checking whether the connected drain pipe 2 leaks water.
S4.2: with reference to fig. 9, a binding rope 5 is connected to each support rod 3, one end of the binding rope 5 is connected to the support rod 3, the binding rope is restricted by the reinforcing rod 31 to move along the axial direction of the support rod 3, and the other end of the binding rope 5 bypasses the drain pipe 2 and is connected to the binding rope 5 on the other side.
S5: the trench 1 is backfilled with soil using an excavator.
S6: tamping the ground surface by a tamping machine.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. A construction method of a HDPE plastic steel winding drain pipe is characterized in that: the method comprises the following steps:
s1: excavating the groove (1) and tamping the bottom of the groove (1);
s2: paving a cement leveling layer (11) at the bottom of the groove (1), arranging support rods (3) for supporting the drain pipe (2) in the cement leveling layer (11), wherein the support rods (3) are symmetrically and obliquely arranged at two sides of the drain pipe (2), a plurality of the supporting rods (3) are arranged at equal intervals along the trend of the drain pipe (2), the included angle of the supporting rods (3) at two sides is 120 degrees, the supporting rod (3) is connected with a reinforcing rod (31) which is also inserted into the cement leveling layer (11), the reinforcing rod (31) and the supporting rod (3) form a herringbone structure, the supporting rod (3) is also provided with a butting head (32) which butts against the drain pipe (2), the contact head (32) comprises a first contact part (321) which contacts the side wall of the inner tube (24) and a second contact part (322) which contacts the side wall of the outer tube (25), the first abutting part (321) and the second abutting part (322) are both arc-shaped structures which are attached to the inner pipe (24) and the outer pipe (25);
s3: the drain pipe (2) is sent into the groove (1), the side wall of the drain pipe (2) is abutted against the support rod (3), and the drain pipe (2) is spliced with the drain pipe (2) installed in the groove (1);
s4: the drain pipe (2) is connected through a hot melting contraction band or an electric heating melting band, a binding rope (5) is connected to the supporting rod (3), one end of the binding rope (5) is connected with the supporting rod (3), the binding rope is limited by a reinforcing rod (31) to move along the axial direction of the supporting rod (3), and the other end of the binding rope (5) bypasses the drain pipe (2) and is connected with the binding rope (5) on the other side;
s5: soil is backfilled into the groove (1);
s6: tamping the ground surface.
2. The construction method of the HDPE plastic-steel wound drain pipe according to claim 1, wherein the construction method comprises the following steps: and a rubber pad (33) is arranged on the support rod (3) at the outer side of the first abutting part (321) and the second abutting part (322).
3. The construction method of the HDPE plastic-steel wound drain pipe according to claim 1, wherein the construction method comprises the following steps: the two ends of the drain pipe (2) are respectively a female connecting end (21) with an outward expanded opening and a male connecting end (22) with an inward contracted opening, and the female connecting end (21) of the drain pipe (2) can be sleeved outside the male connecting end (22) of the adjacent drain pipe (2).
4. The construction method of the HDPE plastic-steel wound drain pipe according to claim 3, wherein the construction method comprises the following steps: and a sealing ring (23) is arranged on the outer side of the connecting female end (21), and the sealing ring (23) is made of a water-absorbing expansion material.
5. The construction method of the HDPE plastic-steel wound drain pipe according to claim 4, wherein the construction method comprises the following steps: the joint of two adjacent drain pipes (2) is provided with a compressing member (4) for compressing the sealing ring (23), the compressing member (4) comprises a first contraction ring (41), a second contraction ring (42) and a compressing rod (43) for connecting the first contraction ring (41) and the second contraction ring (42), the first contraction ring (41) and the second contraction ring (42) are respectively sleeved on the outer sides of the two rows of drain pipes (2), and the compressing rod (43) is pressed on the outer side of the sealing ring (23).
6. The construction method of the HDPE plastic-steel wound drain pipe according to claim 1, wherein the construction method comprises the following steps: between S4 and S5, S4.1: plugging a preformed hole at the joint of the drain pipe (2) and the catch basin or the sewage well, pouring water into one end of the connected drain pipe (2), and checking whether the connected drain pipe (2) leaks water.
7. The construction method of the HDPE plastic-steel wound drain pipe according to claim 1, wherein the construction method comprises the following steps: the groove (1) is in an inverted trapezoid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804681.5A CN108692101B (en) | 2018-07-20 | 2018-07-20 | Construction method of HDPE plastic steel winding drain pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804681.5A CN108692101B (en) | 2018-07-20 | 2018-07-20 | Construction method of HDPE plastic steel winding drain pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692101A CN108692101A (en) | 2018-10-23 |
| CN108692101B true CN108692101B (en) | 2021-01-29 |
Family
ID=63850652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810804681.5A Active CN108692101B (en) | 2018-07-20 | 2018-07-20 | Construction method of HDPE plastic steel winding drain pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108692101B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424518B (en) * | 2019-08-01 | 2021-09-10 | 中化明达(福建)地质勘测有限公司 | Construction method of geotechnical engineering drain pipe |
| CN111503365B (en) * | 2020-04-26 | 2021-06-04 | 福建得乾建设集团有限公司 | Municipal water supply pipe construction method |
| CN111609215B (en) * | 2020-05-22 | 2022-04-22 | 福建得乾集团有限责任公司 | Shear-resistant structure of nodular cast iron pipe joint and setting method thereof |
| CN112762229B (en) * | 2021-01-05 | 2022-07-05 | 安徽省新路建设工程集团有限责任公司 | Construction method of steel belt reinforced polyethylene spiral corrugated pipe |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482298A (en) * | 2014-07-14 | 2015-04-01 | 中冶交通（沈阳）建设工程有限公司 | HDPE (high-density polyethylene) steel-plastic composite spiral winding drainage pipe installation construction method |
| CN205424145U (en) * | 2015-12-11 | 2016-08-03 | 福建祥云科创新型管业科技有限公司 | High density polyethylene plastic steel winding socket joint formula rubber ring sealing joint drain pipe |
| CN205479743U (en) * | 2016-02-22 | 2016-08-17 | 天津市祥盛达五金制品有限公司 | Pipeline support convenient to adjust |
| CN205534588U (en) * | 2016-02-17 | 2016-08-31 | 张元欣 | Device for preventing vertical excessive displacement of department of meeting of pipeline |
| CN206234513U (en) * | 2016-11-08 | 2017-06-09 | 中国舰船研究设计中心 | A kind of damping elastomer pipe penetration piece high |
| CN206617662U (en) * | 2017-03-24 | 2017-11-07 | 江苏海事职业技术学院 | Ship pipeline vibration damping cuff |
| CN107387877A (en) * | 2017-09-01 | 2017-11-24 | 龚梁涛 | A kind of height-adjustable support meanss of oil and gas exploitation |
| CN206918529U (en) * | 2017-04-18 | 2018-01-23 | 中国石油大学(华东) | Oil-gas pipeline reveals oil gas fast-collection device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150086273A1 (en) * | 2013-09-26 | 2015-03-26 | Scott E. Forse | Method of installing a pipeline and pipeline support system |
| US9709208B2 (en) * | 2015-03-12 | 2017-07-18 | Felix L. Sorkin | Pipeline supporting apparatus |
-
2018
- 2018-07-20 CN CN201810804681.5A patent/CN108692101B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482298A (en) * | 2014-07-14 | 2015-04-01 | 中冶交通（沈阳）建设工程有限公司 | HDPE (high-density polyethylene) steel-plastic composite spiral winding drainage pipe installation construction method |
| CN205424145U (en) * | 2015-12-11 | 2016-08-03 | 福建祥云科创新型管业科技有限公司 | High density polyethylene plastic steel winding socket joint formula rubber ring sealing joint drain pipe |
| CN205534588U (en) * | 2016-02-17 | 2016-08-31 | 张元欣 | Device for preventing vertical excessive displacement of department of meeting of pipeline |
| CN205479743U (en) * | 2016-02-22 | 2016-08-17 | 天津市祥盛达五金制品有限公司 | Pipeline support convenient to adjust |
| CN206234513U (en) * | 2016-11-08 | 2017-06-09 | 中国舰船研究设计中心 | A kind of damping elastomer pipe penetration piece high |
| CN206617662U (en) * | 2017-03-24 | 2017-11-07 | 江苏海事职业技术学院 | Ship pipeline vibration damping cuff |
| CN206918529U (en) * | 2017-04-18 | 2018-01-23 | 中国石油大学(华东) | Oil-gas pipeline reveals oil gas fast-collection device |
| CN107387877A (en) * | 2017-09-01 | 2017-11-24 | 龚梁涛 | A kind of height-adjustable support meanss of oil and gas exploitation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108692101A (en) | 2018-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108692101B (en) | Construction method of HDPE plastic steel winding drain pipe | |
| CN109323049B (en) | Sleeve type water pipe applied to crossing bridge and installation and construction method thereof | |
| CN104482298B (en) | HDPE (high-density polyethylene) steel-plastic composite spiral winding drainage pipe installation construction method | |
| CN109944314B (en) | Rapid construction method for rainfall-free large-diameter wound pipe composite joint | |
| CN110424518B (en) | Construction method of geotechnical engineering drain pipe | |
| CN216131506U (en) | Hydraulic engineering prefabricated inspection shaft and drain pipe connection structure | |
| CN108253199A (en) | Internal-rib enhances polyethylene helical bellows and its connector connecting method | |
| CN111456108B (en) | Waterproof structure of foundation bearing platform and construction method thereof | |
| CN211312769U (en) | Connecting member of plastic pipe and concrete prefabricated inspection well | |
| WO2009005244A2 (en) | Method for burying hume pipes and support block used in the method | |
| CN217579825U (en) | Prefabricated pin-connected panel rainwater box culvert suitable for integrative machine of strutting | |
| CN208058152U (en) | Internal-rib enhances polyethylene helical bellows | |
| CN206874989U (en) | A kind of fiber composite cement pipe joint | |
| CN114607386A (en) | Single-layer well wall with connecting and water stopping structure and grouting system and construction method thereof | |
| KR20080077752A (en) | Apparatus for connecting shaped tubes of manhole pipeline and method for connecting of manhole pipeline using thereof | |
| CN209354782U (en) | A kind of F fashioned iron bellmouth armored concrete inner lining glass fiber reinforced plastic reinforced plastic composite jack pipe | |
| KR100836512B1 (en) | Duct repairing material, repairing structure, and repairing method | |
| KR200420494Y1 (en) | precast concrete culvert block | |
| CN111764438A (en) | Pipe jacking method prefabricated pipe gallery joint gap waterproof structure and method | |
| CN218346364U (en) | Road water collecting branch pipe convenient to construction | |
| KR100909111B1 (en) | Connecting pipe for manhole and method of manufacturing concrete manhole using the same | |
| JP4243773B2 (en) | Propulsion fume pipe high water pressure joint structure and propulsion fume pipe manufacturing method | |
| CN216973655U (en) | Ecological PC heavy-calibre drain pipe | |
| CN111293659A (en) | Construction method of assembled shallow-buried rolling-resistant sleeve and passing pipeline | |
| KR20070109423A (en) | Assembled precast reinforced concrete culverts with steel bar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |