CN204459534U - PCCP exempts to weld gathering pipe - Google Patents
PCCP exempts to weld gathering pipe Download PDFInfo
- Publication number
- CN204459534U CN204459534U CN201520072593.2U CN201520072593U CN204459534U CN 204459534 U CN204459534 U CN 204459534U CN 201520072593 U CN201520072593 U CN 201520072593U CN 204459534 U CN204459534 U CN 204459534U
- Authority
- CN
- China
- Prior art keywords
- bellmouth
- short tube
- socket
- pccp
- close
- 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
Abstract
PCCP exempts to weld gathering pipe, bellmouth short tube (1) stage casing threeway is installed into manhole (2), bellmouth short tube (1) front end adjutage (3) outer rim install close up socket (7) and insert socket short tube (4) end close up in bellmouth (8), simultaneously, the close inwall closing up bellmouth (8) of socket short tube (4) installs steel fabric sheet (9), wherein, socket short tube (4) internal diameter is greater than the external diameter closing up bellmouth (8).Steel gathering pipe closes up the bellmouth short tube of mouth and enter hole primarily of band is special and forms with special socket short tube two-part closing up joint, cuttage sealing configuration is adopted to connect, exempt from welding cost lower, safe and reliable, quick for installation, construction period shortens greatly, cost declines, engineering efficiency significantly promotes, have applied widely, the advantages such as the economic life is long, anti-seismic performance good, easy for installation, operation expenditure is low, substantially water-tight.
Description
Technical field
The utility model relates to the Prestressed concrete cylinder pipe mounting structure improvement opportunity in building pipe engineering, and especially PCCP exempts to weld gathering pipe.
Background technique
Prestressed concrete cylinder pipe (Prestressed Concrete Cylinder Pipe; write a Chinese character in simplified form PCCP) refer to and be wound around ring orientation prestress steel wire with on the high-strength concrete tube core of steel cylinder, then the cement mortar protective course of spray densification thereon and the conduit pipe made.PCCP adopts steel bell and spigot, welded together with steel cylinder, and the fluted and cushion rubber of joint socket defines the flexible joint of sliding type cushion rubber.PCCP is by sheet metal, the composite pipe that High Tensile Steel Wire and concrete are formed, it fully and has synthetically played the tension of steel, easy sealing and concrete resistance to compression, decay resistance, there is high leak tightness, high strength and the impervious characteristic of height, bear interior external pressure higher, joint tighness is good, shock resistance is strong, convenient and quick construction, antiseptic property is good, the characteristic such as easy to maintenance, pay close attention to by engineering circles, be widely used in long interval water conveying tunnel, pressure inverted-siphon, town water supply engineering, industry pressure water conveyer pipeline, electric power plant circulating water engineering drainage pipeline, pressure blowdown main etc.Be applicable to the large-scale water delivery engineering between trans-regional water head site, the water supply and distribution pipe network of tap water, industry and agricultural irrigation systems, electric power plant circulating water pipeline, various municipal pressure blowdown main pipeline and inverted siphon etc., widely use in the world.
At present in PCCP installing area, as shown in Figure 1, the traditional method of the gathering pipe adopted when installing close up for PCCP pipeline is: steel gathering pipe is made the bellmouth short tube 1 of band enter hole 2, socket short tube 4 and adjutage 3 three part, during installation, first bellmouth short tube 1 and socket short tube 4 are installed, according to welding adjutage 3 after installation physical length in-site measurement also cutting, complete closing up of PCCP pipeline.The method not only consuming time but also work consuming, welding capacity is comparatively large, and twice circumferential welded seam will be welded in scene, i.e. weld seam A5 and weld seam B6, always at least 3-4 days consuming time, larger on pipeline impact of resuming operation.
Model utility content
The purpose of this utility model is to provide PCCP and exempts to weld gathering pipe, and with the organization plan of economical rationality, safe and reliable, quick for installation, lower-cost exempting from welds steel gathering pipe.
The purpose of this utility model will be realized by following technical measures: comprise bellmouth short tube, enter hole, adjutage, socket short tube, close up socket, close up bellmouth and steel fabric sheet; The stage casing threeway of bellmouth short tube is installed into manhole, bellmouth short tube front end adjutage outer rim install close up socket and insert socket short tube end close up in bellmouth, meanwhile, close on the inwall closing up bellmouth, steel fabric sheet is installed at socket short tube, wherein, socket minor tube inner diameter is greater than the external diameter closing up bellmouth.
Especially, bellmouth short tube or socket short tube rear end connect PCCP or accessory tube respectively.
Especially, steel fabric sheet is arranged on socket short tube and closes up on conical pipe inwall that bellmouth is connected.
Especially, closing up port part, closing up inner edge, socket rear portion and be welded on adjutage mouth of pipe outer wall, and closing up the anterior internal diameter of socket and be greater than adjutage mouth of pipe external diameter, namely close up socket front inner wall to be separated with adjutage mouth of pipe outer wall, closing up socket front outer has circular groove to install double-sealing cushion rubber.
Especially, bellmouth outer wall welding reinforcing flange is closed up.
Advantage of the present utility model and effect: steel gathering pipe closes up the bellmouth short tube of mouth and enter hole primarily of band is special and forms with special socket short tube two-part closing up joint, cuttage sealing configuration is adopted to connect, exempt from welding cost lower, safe and reliable, quick for installation, construction period shortens greatly, cost declines, engineering efficiency significantly promotes, have applied widely, the advantages such as the economic life is long, anti-seismic performance good, easy for installation, operation expenditure is low, substantially water-tight.
Accompanying drawing explanation
Fig. 1 is that structural representation when closing up installed by existing PCCP pipeline.
Fig. 2 is the utility model embodiment 1 structural representation.
Fig. 3 closes up port part structure enlarged diagram in Fig. 1.
Reference character comprises: bellmouth short tube 1, enter hole 2, adjutage 3, socket short tube 4, weld seam A5, weld seam B6, close up socket 7, close up bellmouth 8, steel fabric sheet 9, close up port part 10, PCCP or accessory tube 11, reinforcing flange 12.
Embodiment
The utility model principle is, PCCP exempts to weld steel gathering pipe and closes up the bellmouth short tube 1 of mouth and enter hole 2 primarily of band is special and forms with special socket short tube 4 two-part closing up joint.When scene closes up, port part will be closed up in advance and shrink, and will the installation completing socket short tube 4 while port part 10 stretches be closed up after installing bellmouth short tube 1, utilize O-ring seal to replace traditional electric welding, the effect that the scene of reaching closes up and seals.Whole close up process and the pipe time used of normal mounting about the same, fully demonstrated conveniently characteristic.Meanwhile, close up port part interface and adopt flexible two rubber sealing, the harm because surface subsidence causes pipeline can be weakened to a certain extent.Solve the problems such as traditional gathering pipe fabricating cost is high, Site Welding workload is large, length consuming time.
The utility model comprises: bellmouth short tube 1, enter hole 2, adjutage 3, socket short tube 4, close up socket 7, close up bellmouth 8 and steel fabric sheet 9.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1: as shown in Figure 2, bellmouth short tube 1 stage casing threeway is installed into manhole 2, bellmouth short tube 1 front end adjutage 3 outer rim install close up socket 7 and insert socket short tube 4 end close up in bellmouth 8, simultaneously, the close inwall closing up bellmouth 8 of socket short tube 4 installs steel fabric sheet 9, wherein, socket short tube 4 internal diameter is greater than the external diameter closing up bellmouth 8.
In aforementioned, bellmouth short tube 1 or socket short tube 4 rear end connect PCCP or accessory tube 11 respectively.
In aforementioned, steel fabric sheet 9 is arranged on socket short tube 4 and closes up on conical pipe inwall that bellmouth 8 is connected.
In aforementioned, as shown in Figure 3, closing up port part 10, closing up inner edge, socket 7 rear portion is welded on adjutage 3 mouth of pipe outer wall, and close up the anterior internal diameter of socket 7 and be greater than adjutage 3 mouth of pipe external diameter, namely close up socket 7 front inner wall to be separated with adjutage 3 mouth of pipe outer wall, closing up socket 7 front outer has circular groove to install double-sealing cushion rubber.Close up bellmouth 8 outer wall welding reinforcing flange 12.Close up the advance stretching of contracing of bellmouth 8.
The utility model when applying, by bellmouth short tube 1 front end close up socket 7 be contracted to socket short tube 4 to close up bellmouth 8 inner, gathering pipe total length is greater than needs closure segment length, puts double-sealing cushion rubber, and entirety is placed on to be needed, on closure segment surface of contact, to wait to be installed.By bellmouth short tube 1 and PCCP or accessory tube 11 normal mounting, and pressure testing is carried out in butt joint, carries out next step if qualified.By stretching socket short tube 4, by socket short tube 4 and PCCP or accessory tube 11 normal mounting, closing up socket 3 will occur to stretch to axial with closing up bellmouth 8 simultaneously, be sealed by double-sealing cushion rubber.Enter pipe interior from flanged (FLGD) enter hole 2, pressure testing is carried out to this 3 place joint, if defective, reinstalls, carry out next step if qualified.Butt joint is carried out inside and outside jointing and is carried out anticorrosion on request, doing locally anticorrosion, making internal diameter identical, reducing current scour at the position of welding wire mesh sheet 9 by smearing mortar.By flanged (FLGD) enter hole 2 with blind plate sealing, complete and close up.
Main innovate point of the present utility model is: utilize flexible double-sealing cushion rubber to carry out flexibly connecting replacement Site Welding, the effect that the scene of reaching closes up.Without the need to welding two road weld seam A5 and weld seam B6 when this gathering pipe scene closes up; reduce and close up cost; saved closure time, comparatively strong to closing up environmental suitability, solve the gathering pipe installation time that PCCP industry exists for a long time long, close up the problems such as cost is large, pipeline idle time is long.
Claims (5)
1.PCCP exempts to weld gathering pipe, comprises bellmouth short tube (1), enter hole (2), adjutage (3), socket short tube (4), closes up socket (7), closes up bellmouth (8) and steel fabric sheet (9); It is characterized in that, bellmouth short tube (1) stage casing threeway is installed into manhole (2), bellmouth short tube (1) front end adjutage (3) outer rim install close up socket (7) and insert socket short tube (4) end close up in bellmouth (8), simultaneously, the close inwall closing up bellmouth (8) of socket short tube (4) installs steel fabric sheet (9), wherein, socket short tube (4) internal diameter is greater than the external diameter closing up bellmouth (8).
2. PCCP as claimed in claim 1 exempts to weld gathering pipe, and it is characterized in that, bellmouth short tube (1) or socket short tube (4) rear end connect PCCP or accessory tube (11) respectively.
3. PCCP as claimed in claim 1 exempts to weld gathering pipe, it is characterized in that, steel fabric sheet (9) is arranged on socket short tube (4) and closes up on conical pipe inwall that bellmouth (8) is connected.
4. PCCP as claimed in claim 1 exempts to weld gathering pipe, it is characterized in that, closing up port part (10), closing up socket (7) inner edge, rear portion is welded on adjutage (3) mouth of pipe outer wall, and close up socket (7) anterior internal diameter and be greater than adjutage (3) mouth of pipe external diameter, namely close up socket (7) front inner wall to be separated with adjutage (3) mouth of pipe outer wall, closing up socket (7) front outer has circular groove to install double-sealing cushion rubber.
5. PCCP as claimed in claim 1 exempts to weld gathering pipe, it is characterized in that, closes up bellmouth (8) outer wall welding reinforcing flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072593.2U CN204459534U (en) | 2015-01-28 | 2015-01-28 | PCCP exempts to weld gathering pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520072593.2U CN204459534U (en) | 2015-01-28 | 2015-01-28 | PCCP exempts to weld gathering pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204459534U true CN204459534U (en) | 2015-07-08 |
Family
ID=53666418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520072593.2U Active CN204459534U (en) | 2015-01-28 | 2015-01-28 | PCCP exempts to weld gathering pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204459534U (en) |
-
2015
- 2015-01-28 CN CN201520072593.2U patent/CN204459534U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101338847A (en) | HDPE tube welding-free interpenetration inner liner pipe-repairing method | |
| CN206246920U (en) | A kind of rapid pipeline repairing device | |
| CN204717225U (en) | A kind of fiber reinforced plastic pipe is damaged and is leaked maintenance unit | |
| CN100564982C (en) | A kind of restorative procedure of excavation-free underground pipe line | |
| CN102345465A (en) | Hooping sealing device used in shield arrival | |
| CN104727425A (en) | Traction-type non-excavation pipeline repairing method | |
| CN204459534U (en) | PCCP exempts to weld gathering pipe | |
| CN108131506B (en) | A kind of construction method that steel pipe is connect with FRP sand tube | |
| CN102297315A (en) | Under-pressure fluid-guiding sealing device for emergency repair of pipe | |
| CN104964121A (en) | Blockage method for leakage water in sleeve pipe | |
| CN206246921U (en) | A kind of rapid pipeline repairing device | |
| CN203052068U (en) | Multifunctional quick-opening ladder tee huff section | |
| CN202065607U (en) | Magnetic force combined type pipeline leaking stopper under pressure | |
| CN202992424U (en) | Reinforced concrete pipe with sealing rod for jacking construction method | |
| CN203546725U (en) | Backfilling grouting device capable of being recycled | |
| CN210462146U (en) | Circular pipeline repairing structure | |
| CN204004983U (en) | Lined Prestressed concrete cylinder pipe boring device | |
| CN202033163U (en) | Pressure testing device for sealing property of prefabricated reinforcement concrete pressure pipeline joint | |
| CN211122335U (en) | Hydraulic test system applied to large-pipe-diameter conveying pipeline | |
| CN208670405U (en) | A kind of attachment device between plastic pipe and tubing | |
| CN208348790U (en) | A kind of pipeline no-dig technique liner reparation internal lining pipe fourth contact inflation sealing device | |
| CN207298135U (en) | Steel plastic composite structure bellows | |
| CN205781534U (en) | A kind of quickly spigot-and-socket HDPE reality wall drain pipe | |
| CN214947166U (en) | Underground drainage pipe flexible joint for recycling production of construction waste | |
| CN203809927U (en) | Precast cement inspection well used for plastic pipeline connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |