CN205764530U - PCCP pipeline closes up welding Simple welding case - Google Patents
PCCP pipeline closes up welding Simple welding case Download PDFInfo
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- CN205764530U CN205764530U CN201620676765.1U CN201620676765U CN205764530U CN 205764530 U CN205764530 U CN 205764530U CN 201620676765 U CN201620676765 U CN 201620676765U CN 205764530 U CN205764530 U CN 205764530U
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Abstract
The utility model discloses a kind of PCCP pipeline and close up welding Simple welding case, including carrying out the arc-shaped cover case moved forward and backward and the smoke exhaust pipe being arranged on arc-shaped cover case along the seam between two PCCP pipelines, arc-shaped cover case is the circular arc casing that cover is contained in outside described seam, and described arc-shaped cover case is laid along the length direction of seam；The internal diameter of arc-shaped cover case is identical with the external diameter of PCCP pipeline, and the lateral wall of arc-shaped cover bottom portion and two PCCP pipelines is close to；The arc length of arc-shaped cover case is 0.8～1.5m；Arc-shaped cover case is processed by polyethylene board and has a weld job mouth outside it；Smoke exhaust pipe is arranged on front side or the rear side of arc-shaped cover case.This utility model simple in construction, reasonable in design and processing and fabricating and use easy and simple to handle, using effect good, can close the welding region of the seam of two PCCP pipelines, can effectively reduce radiation and the harmful gas harm to workmen's health.
Description
Technical field
This utility model belongs to technical field of pipeline construction, especially relates to a kind of PCCP pipeline and closes up the simple weldering of welding
Connect case.
Background technology
Prestressed concrete cylinder pipe is called for short PCCP pipe, is a kind of novel rigidity tubing.PCCP pipe is with steel cylinder
Strong concrete tube core is wound around compressor wire, sprays with cement mortar protective course, uses steel bell and spigot, be welded in one with steel cylinder
Rising, the fluted flexible joint defining slidingtype cushion rubber with cushion rubber of bell and spigot, is steel plate, concrete, high tensile steel wire and cement
The composite construction of mortar different materials composition, has steel and the respective characteristic of concrete.PCCP pipeline has the most compound
Structure, bear that interior external pressure is higher, joint tighness good, shock resistance is strong, convenient and quick construction, antiseptic property are good, easy to maintenance
Etc. characteristic, paid close attention to by engineering circles, be widely used in long distance water transfer main line, pressure inverted-siphon, urban water supply engineering, industry have
Pressure waterline, power plant cycle Hydraulic Projects sewer pipe, pressure blowdown main etc..From now on, PCCP pipeline will the most wider enter
Row promotion and application.
During PCCP pipeline construction, when two PCCP pipelines are closed up, the steel cylinder of two PCCP pipelines need to be entered
Row is welded and fixed.At present, when PCCP pipeline is welded, it is the most all to weld at the pipeline groove excavated in advance
Connecing, owing to the ventilation condition in pipeline groove is poor, the harmful gas produced during weld job is difficult in pipeline groove
Discharge, cause more serious air pollution, and in pipeline groove, the healthy of workmen affects greatly.Further,
The health of workmen also can be worked the mischief by the radiation in welding process.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of PCCP
Pipeline closes up welding Simple welding case, its simple in construction, reasonable in design and processing and fabricating and use easy and simple to handle, use effect
The best, the welding region of the seam of two PCCP pipelines can be closed, can effectively reduce radiation and harmful gas to executing
The harm of workman person's health.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of PCCP pipeline closes up welding and uses
Simple welding case, it is characterised in that: include can along the seam between two PCCP pipelines carry out the arc-shaped cover case that moves forward and backward and
Being arranged on the smoke exhaust pipe on arc-shaped cover case, described arc-shaped cover case is the circular arc casing that cover is contained in outside described seam, described arc
Shape cover case is laid along the length direction of described seam；The internal diameter of described arc-shaped cover case is identical with the external diameter of PCCP pipeline, institute
The lateral wall stating arc-shaped cover bottom portion and two described PCCP pipelines is close to；The arc length of described arc-shaped cover case be 0.8m～
1.5m and its height H=20cm～30cm；Described arc-shaped cover case is processed by polyethylene board, and the outside of described arc-shaped cover case is opened
There is a weld job mouth；Described smoke exhaust pipe is arranged on front side or the rear side of arc-shaped cover case, and described smoke exhaust pipe is plastic tube.
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: described smoke exhaust pipe is curved pipe and its length
For 5m～6m.
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: the caliber of described smoke exhaust pipe is Φ 4cm～Φ
6cm。
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: described smoke exhaust pipe is plastic conduit.
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: described smoke exhaust pipe is parallel with arc-shaped cover case
Laying, described smoke exhaust pipe is laid in the middle part of the front side of smoke exhaust pipe or in the middle part of rear side.
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: described arc-shaped cover case is by Boron-containing-PE plate
Process.
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: the width of described arc-shaped cover case be 25cm～
35cm。
Above-mentioned PCCP pipeline closes up welding Simple welding case, it is characterized in that: described arc-shaped cover case by outer baffle, two points
Be not laid in the side shield below the described outer baffle left and right sides, the front apron being connected between two described side shield front ends and
The backboard composition being connected between two described side shield front ends, described front apron is connected under the front end of described outer baffle
Side, described backboard is connected to below the rear end of described outer baffle；Two PCCP pipelines are laid in coaxial；Described outer baffle is
Arc, two described side shields symmetrically lay and both and the perpendicular laying of PCCP pipeline, described front apron and described
Backboard is symmetrically laid and both and the perpendicular laying of described side shield；Described front apron, described backboard and two institutes
State the lateral wall all with PCCP pipeline, the bottom of side shield to be close to；Described weld job mouth is positioned on described outer baffle.
This utility model compared with prior art has the advantage that
1, simple in construction, reasonable in design and processing and fabricating is easy, input cost is relatively low.
2, use easy and simple to handle and using effect good, during welding by weld job mouth to two PCCP pipelines 3 between
Seam carries out weld job, and this utility model slides into after having welded next welding along the lateral wall of two PCCP pipelines
Position.Use this utility model to carry out partial closure during PCCP pipeline welding, can effectively reduce welding radiation, and
The harmful gas produced in welding process can be concentrated the region being discharged into beyond distance operating personnel 5m～6m by smoke exhaust pipe,
Effectively reduce the harmful gas harm to operating personnel's health.Thus, use this utility model can effectively reduce radiation and have
The evil gas harm to workmen's health, can effectively reduce safety in production spending.
In sum, this utility model simple in construction, reasonable in design and processing and fabricating and use easy and simple to handle, using effect
Good, the welding region of the seam of two PCCP pipelines can be closed, can effectively reduce radiation and harmful gas to construction
The harm of personnel's health.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is use state reference map of the present utility model.
Description of reference numerals:
1 arc-shaped cover case；2 smoke exhaust pipes；3 PCCP pipelines.
Detailed description of the invention
As it is shown in figure 1, this utility model includes to carry out, along the seam between two PCCP pipelines 3, the arc that moves forward and backward
Cover case 1 and the smoke exhaust pipe 2 being arranged on arc-shaped cover case 1, described arc-shaped cover case 1 is that cover is contained in the circular arc outside described seam
Casing, described arc-shaped cover case 1 is laid along the length direction of described seam；The internal diameter of described arc-shaped cover case 1 and PCCP pipeline 3
External diameter identical, bottom described arc-shaped cover case 1, the lateral wall with two described PCCP pipelines 3 is close to；The arc of described arc-shaped cover case 1
A length of 0.8m～1.5m of shape and its height H=20cm～30cm；Described arc-shaped cover case 1 is processed by polyethylene board, described
The outside of arc-shaped cover case 1 has a weld job mouth；Described smoke exhaust pipe 2 is arranged on front side or the rear side of arc-shaped cover case 1, described
Smoke exhaust pipe 2 is plastic tube.
In the present embodiment, described smoke exhaust pipe 2 is curved pipe and its a length of 5m～6m.
The caliber of described smoke exhaust pipe 2 is Φ 4cm～Φ 6cm.Further, described smoke exhaust pipe 2 is plastic conduit.
In the present embodiment, the caliber of described smoke exhaust pipe 2 is Φ 5cm.Actual add man-hour, can according to specific needs, to smoke evacuation
The caliber of pipe 2 adjusts accordingly.
During actual installation, described smoke exhaust pipe 2 is with arc-shaped cover case 1 in parallel laying, and described smoke exhaust pipe 2 is laid in smoke exhaust pipe 2
Front side in the middle part of or rear side in the middle part of.
In the present embodiment, described arc-shaped cover case 1 is processed by Boron-containing-PE plate.
Further, the width of described arc-shaped cover case 1 is 25cm～35cm.
In the present embodiment, described arc-shaped cover case 1 by outer baffle, two be laid in respectively below the described outer baffle left and right sides
Side shield, the front apron being connected between two described side shield front ends and be connected between two described side shield front ends
Backboard forms, and described front apron is connected to below the front end of described outer baffle, and described backboard is connected to described outer baffle
Below rear end；Two PCCP pipelines 3 are laid in coaxial；Described outer baffle is arc, and two described side shields are symmetrically laid
And both and the perpendicular laying of PCCP pipeline 3, described front apron and described backboard are symmetrically laid and both is with described
The perpendicular laying of side shield；Outside the bottom of described front apron, described backboard and two described side shields is all with PCCP pipeline 3
Sidewall is close to；Described weld job mouth is positioned on described outer baffle.
Actual adding man-hour, described outer baffle, described front apron, described backboard and two described side shields are boracic and gather
Vinyl plate, described outer baffle is formed by one piece of rectangle Boron-containing-PE plate bending, described front apron, described backboard and two
Described side shield is Boron-containing-PE flat board.
In the present embodiment, described smoke exhaust pipe 2 is laid in the middle part of the front side of smoke exhaust pipe 2.Further, the rear end of described smoke exhaust pipe 2
It is arranged on described front apron, described front apron has the installing port installed for smoke exhaust pipe 2.
Time actually used, this utility model is slided along the lateral wall of two described PCCP pipelines 3, by described weldering
Connect operation mouth and the described seam between two PCCP pipelines 3 carried out weld job, and ensure bottom arc-shaped cover case 1 with two institutes
The lateral wall stating PCCP pipeline 3 is close to, and can effectively reduce harmful gas excessive.For ensureing the discharge effect of harmful gas, row
The front port of smoke pipe 2 uses the auxiliary smoke evacuation of portable air exhauster, so can effective produced powder in harmful gas and welding process
Dirt is quickly discharged.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every
Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still
Belong in the protection domain of technical solutions of the utility model.
Claims (8)
1. a PCCP pipeline closes up welding Simple welding case, it is characterised in that: including can be along between two PCCP pipeline (3)
Seam carry out the arc-shaped cover case (1) moved forward and backward and the smoke exhaust pipe (2) being arranged on arc-shaped cover case (1), described arc-shaped cover case
(1) being contained in the circular arc casing outside described seam for cover, described arc-shaped cover case (1) carries out cloth along the length direction of described seam
If；The internal diameter of described arc-shaped cover case (1) is identical with the external diameter of PCCP pipeline (3), bottom described arc-shaped cover case (1) and described in two
The lateral wall of PCCP pipeline (3) is close to；The arc length of described arc-shaped cover case (1) is 0.8m～1.5m and its height H=20cm
～30cm；Described arc-shaped cover case (1) is processed by polyethylene board, and the outside of described arc-shaped cover case (1) has a welding and makees
Industry mouth；Described smoke exhaust pipe (2) is arranged on front side or the rear side of arc-shaped cover case (1), and described smoke exhaust pipe (2) is plastic tube.
2. close up welding Simple welding case according to the PCCP pipeline described in claim 1, it is characterised in that: described smoke exhaust pipe
(2) it is curved pipe and its a length of 5m～6m.
3. close up welding Simple welding case according to the PCCP pipeline described in claim 1 or 2, it is characterised in that: described smoke evacuation
The caliber of pipe (2) is Φ 4cm～Φ 6cm.
4. close up welding Simple welding case according to the PCCP pipeline described in claim 1 or 2, it is characterised in that: described smoke evacuation
Pipe (2) is plastic conduit.
5. close up welding Simple welding case according to the PCCP pipeline described in claim 1 or 2, it is characterised in that: described smoke evacuation
Pipe (2) is with arc-shaped cover case (1) in parallel laying, and described smoke exhaust pipe (2) is laid in the middle part of the front side of smoke exhaust pipe (2) or in rear side
Portion.
6. close up welding Simple welding case according to the PCCP pipeline described in claim 1 or 2, it is characterised in that: described arc
Cover case (1) is processed by Boron-containing-PE plate.
7. close up welding Simple welding case according to the PCCP pipeline described in claim 1 or 2, it is characterised in that: described arc
The width of cover case (1) is 25cm～35cm.
8. close up welding Simple welding case according to the PCCP pipeline described in claim 1 or 2, it is characterised in that: described arc
Cover case (1) by outer baffle, two side shields being laid in respectively below the described outer baffle left and right sides, be connected to two described sides
Front apron and the backboard being connected between two described side shield front ends between baffle plate front end form, and described front apron connects
Below the front end of described outer baffle, described backboard is connected to below the rear end of described outer baffle；Two PCCP pipelines (3) in
Coaxial laying；Described outer baffle is arc, two described side shields symmetrically lay and both with PCCP pipeline (3) in hanging down
Straight laying, described front apron and described backboard are symmetrically laid and both and the perpendicular laying of described side shield；Before described
All lateral walls with PCCP pipeline (3), the bottom of baffle plate, described backboard and two described side shields are close to；Described weld job
Mouth is positioned on described outer baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620676765.1U CN205764530U (en) | 2016-07-01 | 2016-07-01 | PCCP pipeline closes up welding Simple welding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620676765.1U CN205764530U (en) | 2016-07-01 | 2016-07-01 | PCCP pipeline closes up welding Simple welding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205764530U true CN205764530U (en) | 2016-12-07 |
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ID=58126246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620676765.1U Active CN205764530U (en) | 2016-07-01 | 2016-07-01 | PCCP pipeline closes up welding Simple welding case |
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| Country | Link |
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| CN (1) | CN205764530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736065A (en) * | 2016-12-14 | 2017-05-31 | 上海市安装工程集团有限公司 | A kind of exhaust opening and its installation method for purging line weld fumes |
-
2016
- 2016-07-01 CN CN201620676765.1U patent/CN205764530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736065A (en) * | 2016-12-14 | 2017-05-31 | 上海市安装工程集团有限公司 | A kind of exhaust opening and its installation method for purging line weld fumes |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |