CN207179026U - For blocking the pipe fitting of pipeline - Google Patents
For blocking the pipe fitting of pipeline Download PDFInfo
- Publication number
- CN207179026U CN207179026U CN201721103488.6U CN201721103488U CN207179026U CN 207179026 U CN207179026 U CN 207179026U CN 201721103488 U CN201721103488 U CN 201721103488U CN 207179026 U CN207179026 U CN 207179026U
- Authority
- CN
- China
- Prior art keywords
- main body
- pipeline
- groove
- pipe fitting
- opposite opened
- 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
The utility model discloses a kind of pipe fitting for being used to block pipeline, the external diameter of pipeline is below 50mm, and pipe fitting includes：Opposite opened main body, opposite opened disrance sleeve and the first plugging part；Opposite opened disrance sleeve includes the first body and the second body, and the cavity that can accommodate pipeline to be blocked is formed after the first body and the second body pairing；Opposite opened main body includes the first main body and the second main body；First main body has the first groove and one end open, the first through hole of other end closing of both ends open, and one end of the opening of first through hole connects with the first groove；Second main body has the second groove of both ends open and the second through hole of both ends open, and one end of the second through hole connects with the second groove, and the first plugging part is used for the other end for blocking the second through hole；The shape of the inner surface for the cavity that first groove and the second groove are combined to form is engaged with the shape of the outer surface of opposite opened disrance sleeve.Flow of media in pipeline can thoroughly be blocked by the pipe fitting.
Description
Technical field
Oil-gas pipeline maintenance, repairing and renovation technique field are the utility model is related to, it is more particularly to a kind of to be used for blocking tube
The pipe fitting in road.
Background technology
External diameter is widely present in the field of city gas pipeline and long-distance oil ＆ gas pipeline in below 50mm small-bore pipeline
Stand and valve chamber.For example, connecting external diameter is in the small of below 50mm on the main pipeline of city gas pipeline or long-distance oil ＆ gas pipeline
Caliber pipe, then pressure, temperature or other instrumentations are connected with small-bore pipeline, so as to enter to the medium in main pipeline
Row monitoring.In practical application, sometimes for small-bore pipeline is safeguarded in the case of main pipeline on-line production, rush to repair or
Person transforms, such as the small-bore pipeline that small-bore pipeline is blocked or more renewed.In order to ensure to safeguard, rush to repair or transform work
Industry is smoothed out, and is being safeguarded, is being needed to block the circulation of small-bore pipeline interior media in repairing or transformation operation process.
In the prior art, generally use blocks small-bore pipeline the mode of small-bore pipeline " folder is flat "
But the circulation of medium in small-bore pipeline can not be thoroughly blocked by the way of " folder is flat ", it can give and safeguard, rob
Repair and transform operation and bring potential safety hazard.
Utility model content
In order to solve above-mentioned technical problem, the utility model provides a kind of pipe fitting for being used to block pipeline, and is based on
The method of the blocking pipeline of the pipe fitting, so as in the case of on-line production, thoroughly block external diameter to be situated between in below 50mm pipeline
The circulation of matter, with ensure safeguard, repairing and transformation operation safely, be smoothed out.
Specifically, including following technical scheme：
In a first aspect, the utility model embodiment provides a kind of pipe fitting for being used to block pipeline, the external diameter of the pipeline
For below 50mm, the pipe fitting includes：Opposite opened main body, opposite opened disrance sleeve and the first plugging part；
The opposite opened disrance sleeve includes the first body and the second body, and first body and the second body are respectively provided with
The sky of pipeline to be blocked can be accommodated by being formed after the semi-cylindrical recesses of both ends open, first body and the second body pairing
Chamber；
The opposite opened main body includes the first main body and the second main body；
First main body has the first groove and one end open, the first through hole of other end closing of both ends open, institute
It is vertical with the axis of the first through hole to state the axis of the first groove, and one end of the opening of the first through hole and described the
One groove connects；
Second main body has the second groove of both ends open and the second through hole of both ends open, second groove
Axis is vertical with the axis of second through hole, and one end of second through hole connects with second groove, and described
One plugging part is used for the other end for blocking second through hole；
The opposite opened disrance sleeve is set in the cavity that first groove and second groove are combined to form, and
The shape of the inner surface for the cavity that first groove and second groove are combined to form and the opposite opened disrance sleeve
The shape of outer surface is engaged.
Specifically, first body and second body are in the hollow semi-cylindrical bodily form of both ends open, and described
The internal diameter of the first end of first body and second body is more than the internal diameter at the second end, first body and second pipe
The external diameter of the first end of body is more than the external diameter at the second end；
The internal diameter at the second end of first body and second body is engaged with the external diameter of the pipeline to be blocked,
There is annular between cavity and the pipeline to be blocked that the first end of first body and second body is combined to form
Space；
First main body is included in the Part I of the hollow semi-cylindrical bodily form of both ends open and in one end open, another
The axis of the Part II for the hollow circuit cylinder bodily form that end seal is closed, the Part I and the Part II is vertical, and described
One end of two fractional opens connects with the inside of the Part I；
Second main body is included in the Part III of the hollow semi-cylindrical bodily form of both ends open and in both ends open
The axis of the Part IV of the hollow round column bodily form, the Part III and the Part IV is vertical, and the one of the Part IV
End connects with the inside of the Part III；
The internal diameter for the cavity that the first end of the Part I and the first end of the Part III are combined to form with it is described
The external diameter for the cylinder that the first end of first body and the first end of second body are combined to form is engaged, described first
Point the second end and the Part III the internal diameter of cavity that is combined to form of the second end and the second end of first body and
The external diameter for the cylinder that second end of second body is combined to form is engaged.
Specifically, first plugging part includes：Fill in stifled, the first briquetting, the first blanking cover, back-up ring and the first sealing
Circle；
The plug is stifled to be arranged on inside the Part IV of second main body, and is consolidated by screw thread and the Part IV
Fixed, the stifled mounting hole closed with one end open, one end of the plug, one end that the mounting hole opens is towards the Part IV
Outside；
Peripherally disposed on the stifled outer wall of the plug to have mounting groove, the back-up ring and first sealing ring are set
In the mounting groove；
First briquetting offsets with end of the Part IV away from the Part III；
First blanking cover covers first briquetting and fixed by the outer wall of screw thread and the Part IV.
Further, the pipe fitting also includes the second plugging part；
Second plugging part includes：Two cross sectional shapes in the annular space are arranged in the of semi-circular shape
Two briquettings；
The 3rd briquetting of second briquetting is covered,
Cover the 3rd briquetting and with the first of the outer wall of the first end of the Part I and the Part III
The second blanking cover that the outer wall at end is fixed,
And it is arranged on the second sealing ring on the inwall of second blanking cover.
Further, the pipe fitting also includes switching part；
The switching part includes：It is arranged on second pressure of two cross sectional shapes in the annular space in semi-circular shape
Block；
And fixed with the outer wall of the first end of the Part I and the outer wall of the first end of the Part III
Adapter.
Further, two sides of the first body radial direction, two sides of the second body radial direction
Side, two sides of Part I radial direction of first main body, the Part III radial direction of second main body
Two sides, the second end of Part I of first main body and the second end of Part III of second main body add
Work has welding groove.
Further, when first body and the second body pairing, first main body and second main body
After pairing, the axis of line and the Part II of first main body between two sides of the first body radial direction
Between there is 40 °~50 ° of angle.
Further, it is provided with centering on first body and the outer wall of the less part of the second outer tube diameter
Plane, midplane is provided centrally with to pits described.
Second aspect, the utility model embodiment provide a kind of method for blocking pipeline, and the external diameter of the pipeline is
Below 50mm, methods described are implemented by the pipe fitting described in the utility model embodiment first aspect, comprised the following steps：
Step a, the first body of the opposite opened disrance sleeve and the second body are set in pipeline to be blocked close to main
The opening position of pipeline, afterwards by first body and second pipe welding；
Step b, the first main body of the opposite opened main body and the second main body are set on the opposite opened disrance sleeve,
First main body and second main body are welded, and first main body and second main body are welded with the main pipeline
Connect；
Step c, in the end connecting valve of the second through hole of second main body；
Step d, tapping equipment is connected with the valve, the valve is in opening, by the tapping equipment
Drill bit stretched into by the valve in the second through hole of second main body, through the opposite opened disrance sleeve after described
Perforate in the side wall of pipeline to be blocked, the tapping equipment is dismantled afterwards, and close the valve；
Step e, water-tight equipment is connected with the valve and opens the valve, by the water-tight equipment by seal
From the perforate in the side wall of the pipeline to be blocked be sent into described in inside pipeline to be blocked, by being treated described in seal blocking
Block the circulation of pipeline interior media；
Step f, the pipeline to be blocked is blocked, make the end of the pipeline to be blocked and the opposite opened disrance sleeve
End it is concordant, be connected afterwards by the end part seal of the pipeline to be blocked or by new pipeline with the pipeline to be blocked；
Step g, the water-tight equipment is dismantled, first plugging part is installed.
Further, the step specifically includes：
Step g1, the water-tight equipment is dismantled, close the valve；
Step g2, back-up ring and the first sealing ring are installed to plug and blocked；
Step g3, the valve is opened, inside stifled the second through hole fixed to second main body of the plug, dismantle institute
Valve is stated, the first briquetting and the first blanking cover are installed afterwards.
The beneficial effect for the technical scheme that the utility model embodiment provides：
What the utility model embodiment provided is used to block the pipe fitting of pipeline when in use, first by opposite opened disrance sleeve
The first body and the second body be set in opening position of the pipeline to be blocked close to main pipeline, afterwards by the first body and second manage
Body welds；The first main body of opposite opened main body and the second main body are set on opposite opened disrance sleeve again, by the first main body and
Second main body is welded, and the first main body and the second main body are welded with main pipeline；Afterwards, the second main body the second through hole end
Portion's connecting valve, tapping equipment is connected with valve, and valve is in opening, the drill bit of tapping equipment is passed through into valve
Stretch into the second through hole of the second main body, through opposite opened disrance sleeve after the perforate in the side wall of pipeline to be blocked, tear open afterwards
Tapping equipment is unloaded, and closes valve；After the completion of perforate, water-tight equipment is connected to simultaneously Open valve with valve, passes through water-tight equipment
Seal is sent into inside pipeline to be blocked from the perforate in the side wall of pipeline to be blocked, pipeline to be blocked is blocked by seal
The circulation of interior media.After being blocked in medium inside the pipeline, you can pipeline is safeguarded, rushed to repair or transformed.
The pipe fitting provided using the utility model embodiment can thoroughly block medium of the external diameter in below 50mm pipeline
Circulation, ensure to safeguard, rush to repair or transform being smoothed out for operation.Also, the pipe fitting provided using the utility model embodiment
Flow of media in pipeline still can be thoroughly blocked when manifold pressure reaches more than 1.0MPa.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described
Fig. 1-1 is the axonometric drawing for being used to block the pipe fitting of pipeline that the utility model embodiment provides；
Fig. 1-2 is the front view for being used to block the pipe fitting of pipeline that the utility model embodiment provides；
Fig. 1-3 is the front sectional view for being used to block the pipe fitting of pipeline that the utility model embodiment provides；
Fig. 1-4 is the top view for being used to block the pipe fitting of pipeline that the utility model embodiment provides；
Fig. 2-1 is the axonometric drawing of opposite opened main body in the pipe fitting for blocking pipeline that the utility model embodiment provides；
Fig. 2-2 is the front view of opposite opened main body in the pipe fitting for blocking pipeline that the utility model embodiment provides；
Fig. 2-3 is the main view section view of opposite opened main body in the pipe fitting for blocking pipeline that the utility model embodiment provides
Figure；
Fig. 2-4 is along the sectional view in A-A directions in Fig. 2-2；
Fig. 3-1 is that the axle of opposite opened disrance sleeve in the pipe fitting for blocking pipeline that the utility model embodiment provides is surveyed
Figure；
Fig. 3-2 is the side view of opposite opened disrance sleeve in the pipe fitting for blocking pipeline that the utility model embodiment provides
Figure；
Fig. 3-3 is along the sectional view in B-B directions in Fig. 3-2；
Fig. 4-1 is that the axle of the first plugging part in the pipe fitting for blocking pipeline that the utility model embodiment provides is surveyed
Figure；
Fig. 4-2 is the main view of the first plugging part in the pipe fitting for blocking pipeline that the utility model embodiment provides
Figure；
Fig. 4-3 is that the main view of the first plugging part in the pipe fitting for blocking pipeline that the utility model embodiment provides is cutd open
View；
Fig. 5-1 is that the axle of the second plugging part in the pipe fitting for blocking pipeline that the utility model embodiment provides is surveyed
Figure；
Fig. 5-2 is that the main view of the second plugging part in the pipe fitting for blocking pipeline that the utility model embodiment provides is cutd open
View；
Fig. 6-1 is the utility model embodiment offer for blocking the pipe fitting of pipeline to carry out perforate work in use
The schematic perspective view of industry；
Fig. 6-2 is Fig. 6-1 front view；
Fig. 6-3 is the enlarged drawing of dotted line frame internal structure in Fig. 6-2；
Fig. 7-1 is the utility model embodiment offer for blocking the pipe fitting of pipeline to carry out sealing work in use
The schematic perspective view of industry；
Fig. 7-2 is Fig. 7-1 front view；
Fig. 7-3 is the enlarged drawing of dotted line frame internal structure in Fig. 7-2；
Reference represents respectively in figure：
1- opposite opened main bodys；
The main bodys of 11- first；
111- Part I；
112- Part II；
The main bodys of 12- second；
121- Part III；
122- Part IV；
2- opposite opened disrance sleeves；
The bodys of 21- first；
The bodys of 22- second；
The plugging parts of 3- first；
31- plugs are stifled；
311- mounting holes；
The blanking covers of 32- first；
The briquettings of 33- first；
34- back-up rings；
The sealing rings of 35- first；
The plugging parts of 4- second；
The briquettings of 41- second；
The blanking covers of 42- second；
The briquettings of 43- the 3rd；
The sealing rings of 44- second；
B1- is to midplane；
B2- is to pits；
Y1- annular spaces；
Y2- opening areas；
X1- first passages；
X2- second channels；
A1- first interfaces；
A2- second interfaces；
The interfaces of a3- the 3rd；
The interfaces of a4- the 4th；
200- pipelines to be blocked；
300- main pipelines；
400- valves；
500- tapping equipments；
600- water-tight equipments.
Embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with accompanying drawing
Mode is described in further detail.Unless otherwise defined, all technical terms used in the utility model embodiment are respectively provided with
The identical implication being generally understood that with those skilled in the art.
In a first aspect, the utility model embodiment provides a kind of pipe for the pipeline for being used to block external diameter to be below 50mm
Part, referring to Fig. 1-1,1-2,1-3 and 1-4, the pipe fitting includes：Opposite opened main body 1, opposite opened disrance sleeve 2 and first block
Part 3.
Wherein, referring to Fig. 3-1,3-2 and 3-3, opposite opened disrance sleeve 2 includes the first body 21 and the second body 22, the
One body 21 and the second body 22 are respectively provided with the semi-cylindrical recesses of both ends open, after the first body 21 and the pairing of the second body 22
The cavity of pipeline to be blocked can be accommodated by being formed.
Referring to Fig. 2-1,2-2,2-3 and 2-4, opposite opened main body 1 includes the first main body 11 and the second main body 12.First main body
11 have the first groove of both ends open and one end open, the first through hole of other end closing, the axis of the first groove and first
The axis of through hole is vertical, and one end of the opening of first through hole connects with the first groove.Second main body 12 has both ends open
The second groove and both ends open the second through hole, the axis of the second groove is vertical with the axis of the second through hole, and second logical
The one end in hole connects with the second groove, and the first plugging part 3 is used for the other end for blocking the second through hole.
Opposite opened disrance sleeve 2 is set in the cavity that the first groove and the second groove are combined to form, and the first groove and
The shape of the inner surface for the cavity that second groove is combined to form is engaged with the shape of the outer surface of opposite opened disrance sleeve 2.
What the utility model embodiment provided be used to block in the pipe fitting of pipeline, because external diameter is in below 50mm pipeline
Wall thickness is generally relatively thin, in order to increase the security of subsequent job, is isolated by being arranged opposite opened in the outside of pipeline 200 to be blocked
Sleeve pipe 2 increases the wall thickness of small-bore pipeline to be blocked., when in use, will as shown in Fig. 6-1,6-2, Fig. 7-1 and Fig. 7-2
The first body 21 and the second body 22 of opposite opened disrance sleeve 2 are set in the outside of pipeline 200 to be blocked, and opposite opened separation sleeve
Pipe 2 is located at opening position of the pipeline 200 to be blocked close to main pipeline 300, pipeline 200 to be blocked is located at the first body 21 and second
In the cylindrical cavity that the semi-cylindrical recesses of body 22 are combined to form.By welding, such as argon arc welding or interruption spot welding are by the
One body 21 and the second body 22 connect, and pay attention to even not being soldered to the outer wall of pipeline 200 to be blocked in welding, to prevent from welding
Wear, and reduce welding deformation.
The equipment used in the operation for follow-up blocking pipeline of opposite opened main body 1 provides connecting interface, and provides closed
Working space, to ensure to block the operation of pipeline to be smoothed out.As shown in Fig. 2-3 and 2-4, the first main body of opposite opened main body 1
11 are mutually perpendicular to and the first passage X1 connected and the four of second channel X2 with forming one after the pairing of the second main body 12 and have
Logical structure.Wherein, first passage X1 is combined to form by the first groove of the first main body 11 and the second groove of the second main body 12, the
Two passage X2 are combined to form by the first through hole of the first main body 11 and the second through hole of the second main body 12.First passage X1 both ends
It is open, i.e. the first interface a1 and the 3rd interface a3 of four-way structure are open；Second channel X2 one end be it is open,
The other end is closing, i.e. the second interface a2 of four-way structure is open, and the 4th interface a4 is closing.It is appreciated that
It is that first interface a1 and the 3rd interface a3 are relative, second interface a2 and the 4th interface a4 are relative.As Fig. 6-1,6-2, Fig. 7-1 and
Shown in Fig. 7-2, when in use, opposite opened disrance sleeve 2 is fixed on after blocking on pipeline, by the first of opposite opened main body 1
The main body 12 of main body 11 and second is enclosed on the outside of opposite opened disrance sleeve 2 and welds the first main body 11 and the second main body 12, together
When the first main body 11 and the second main body 12 are welded with main pipeline 300, so that opposite opened main body is fixed on main pipeline 300.
It is understood that opposite opened disrance sleeve 2 is located in above-mentioned first passage X1, i.e. the first groove and second of the first main body 11
In the cavity formed after second groove pairing of main body 12.
As shown in 6-1,6-2 and 6-3, after opposite opened main body 1 is fixed, the connecting valve at above-mentioned second interface a2
400, for example, ball valve, tapping equipment 500 is connected with valve 400 afterwards, and valve 400 is in opening, perforate is set
Standby 500 drill bit is stretched into by valve 400 in second through hole of the second main body 12, through opposite opened disrance sleeve 2 after waiting to hinder
Perforate (the opening area Y2 as shown in Fig. 6-3) in the side wall of disconnected pipeline 200；Tapping equipment 500 is torn open from valve 400 afterwards
Unload down, and close valve 400；Referring to Fig. 7-1,7-2 and 7-3, after the completion of perforate, water-tight equipment 600 is connected with valve 400
And Open valve, seal is sent into by pipeline to be blocked from the perforate in the side wall of pipeline 200 to be blocked by water-tight equipment 600
200 inside (in the opening area Y2 i.e. shown in Fig. 6-3), the circulation of the interior media of pipeline 200 to be blocked is blocked by seal.
After being blocked in medium inside the pipeline, you can pipeline is safeguarded, rushed to repair or transformed.When safeguarding, rush to repair or change
After making end, after water-tight equipment 600 (together with seal), valve 400 are dismantled, using the first plugging part 3 by opposite opened master
The second interface a2 closings of body 1.
To sum up, the pipe fitting provided using the utility model embodiment can thoroughly block external diameter in below 50mm pipeline
Flow of media, ensure to safeguard, rush to repair or transform being smoothed out for operation.Also, provided using the utility model embodiment
Pipe fitting still can thoroughly block flow of media in pipeline when manifold pressure reaches more than 1.0MPa.
In the specific implementation, opposite opened disrance sleeve 2 can use hollow " grenade " shape as shown in figure 3-1, i.e.,
First body 21 and the second body 22 are in the hollow semi-cylindrical bodily form of both ends open, and the first body 21 and the second body 22
The internal diameter of first end is more than the internal diameter at the second end, and the external diameter of the first end of the first body 21 and the second body 22 is more than the second end
External diameter.It is understood that the inner chamber of hollow half cylinder is the hollow semi-cylindrical of the above-mentioned body 22 of first body 21 and second
The groove of cylinder shape.
Wherein, the internal diameter at the second end of the first body 21 and the second body 22 is engaged with the external diameter of pipeline 200 to be blocked,
There is annular space between cavity and pipeline to be blocked 200 that the first end of first body 21 and the second body 22 is combined to form
Y1.When in use, the second end of the first body 21 and the second body 22 is close to main pipeline.It can be injected in annular space Y1 close
Sealing, to ensure sealing property.
The material of opposite opened disrance sleeve 2 can select easily weldering, the automatic steel such as Q235 or 20#.Can be complete by one
Body diametrically split so as to obtain the first body 21 and the second body 22.The first end of first body 21 and the second body 22
Diameter and the difference of diameter at the second end can be 10mm~20mm.
Two sides of the radial direction of the first body 21, two sides of the radial direction of the second body 22 are prefabricated is machined with
Welding groove, in order to the welding of the first body 21 and the second body 22.
As shown in Fig. 2-1,2-2,2-3 and 2-4, the specific implementation form of opposite opened main body 1 can be：First main body 11 is wrapped
Include in the Part I 111 of the hollow semi-cylindrical bodily form of both ends open and in one end open, the hollow circular cylinder of other end closing
The Part II 112 of shape, Part I 111 is vertical with the axis of Part II 112, and Part II 112 open one end with
The inside connection of Part I 111.It is understood that the inner chamber of Part I 111 is the first of above-mentioned first main body 11
Groove, the inner chamber of Part II 112 are the first through hole of above-mentioned first main body 11.
Second main body 12 is included in the Part III 121 of the hollow semi-cylindrical bodily form of both ends open and in both ends open
The Part IV 122 of the hollow round column bodily form, Part III 121 is vertical with the axis of Part IV 122, and the one of Part IV 122
End connects with the inside of Part III 121.The inner chamber of Part III 121 is the second groove of above-mentioned second main body 12, and the 4th
The inner chamber of part 122 is the second through hole of above-mentioned second main body 12.
(i.e. above-mentioned first is logical for the cavity that the first end of Part I 111 and the first end of Part III 121 are combined to form
Road X1) internal diameter and the external diameter of cylinder that is combined to form of the first end of the first body 21 and the first end of the second body 22 match
Close, the internal diameter of the cavity that the second end of Part I 111 and the second end of Part III 121 are combined to form and the first body 21
The external diameter for the cylinder that second end and the second end of the second body 22 are combined to form is engaged.That is Part I 111 and the 3rd
The internal diameter of 121 first end is divided to be more than the internal diameter at the second end, the cavity that Part I 111 and Part III 121 are combined to form
In " grenade " shape.
The internal diameter of Part II 112 and Part IV 122 (i.e. above-mentioned second channel X2 internal diameter), which is slightly larger than, treats blocking tube
The external diameter in road 200.
The material of opposite opened main body 1 can be according to GB 150《Pressure vessel》The forging material selection forging 16Mn of recommendation, wall
Thickness is calculated according to by internal pressure cylinder and reinforcement for openings principle.
Two sides of the radial direction of Part I 111 of the first main body 11, the Part III 121 of the second main body 12 are radially
Two sides in direction and the second end of the Part I 111 of the first main body 11, the Part III 121 of the second main body 12
Second end is also all prefabricated to be machined with welding groove, wherein, the welding groove positioned at side is used for the first main body 11 and the second main body
12 butt welding, the welding groove positioned at end are used for root bead, i.e., by the first main body 11 and the second main body 12 and the weldering of main pipeline 300
Connect.
It should be noted that when in use, it should stagger between the weld seam of opposite opened disrance sleeve 2 and opposite opened main body 1
Certain angle.As Figure 1-4, when the first body 21 and the pairing of the second body 22, the first main body 11 and the second main body 12 are right
After conjunction, the axis of the Part II 112 of line and the first main body 11 between two sides of the radial direction of the first body 21 it
Between there is angle α, and the number of degrees of angle α are 40 °~50 °, preferably 45 °.
Because the external diameter of pipeline 200 to be blocked is smaller, and the drill bit of tapping equipment will pass through the 4th of the second main body 12
Dividing 122 inner chamber to treat blocks pipeline 200 to carry out perforate, and the position of perforate is not easily controlled.For the ease of controlling the position of perforate
Put, the plane b1 in turning pair on the outer wall of the first body 21 and the less part of the external diameter of the second body 22, to midplane b1
Be provided centrally with to pits b2.Make one to pits b2 axis and the axis of the Part IV 122 of the second main body 12
Overlap, make drill bit and offset to pits b2 that the position of perforate can be ensured.
As Figure 1-3, in a kind of optional embodiment of the utility model embodiment, the of opposite opened disrance sleeve 2
One end (i.e. one end away from main pipeline 300) is located at the outside of opposite opened main body 1, and the second end of opposite opened disrance sleeve 2 is (i.e.
Close to one end of main pipeline 300) it is located at the inside of opposite opened main body 1.Correspondingly, in first main body 11 of opposite opened main body 1
Limited step is machined with respectively on the inwall of the inwall of Part I 111 and the Part III 121 of the second main body 12, to opposite opened
Second end of disrance sleeve 2 carries out spacing.
Further, referring to Fig. 4-1,4-2 and 4-3, in the utility model embodiment, the first plugging part 3 includes：Plug is stifled
31st, the first briquetting 33, the first blanking cover 32, the sealing ring 35 of back-up ring 34 and first.Wherein, plug stifled 31 is arranged on the second main body 12
Inside Part IV 122, and fixed by screw thread and Part IV 122, plug stifled 31 has the installation that one end open, one end are closed
Hole 311, one end that mounting hole 311 opens is towards the outside of Part IV 122；It is peripherally disposed on the outer wall of plug stifled 31 to have
Mounting groove, the sealing ring 35 of back-up ring 34 and first are arranged in mounting groove；First briquetting 33 is with Part IV 122 away from the 3rd
121 end is divided to offset；First blanking cover 32 covers the first briquetting 33 and fixed by the outer wall of screw thread and Part IV 122.
When being blocked pipeline to be blocked by water-tight equipment 600, and after completing to safeguard, rushing to repair or transform operation, first
Water-tight equipment 600 is dismantled, and closes valve 400；Plug stifled 31 is connected that (such as replacement perforate is set with tapping equipment 500 afterwards
Standby 500 drill bit), valve 400 is opened, the plug stifled 31 of the sealing ring 35 of back-up ring 34 and first will be installed by tapping equipment 500
Stretch into the Part IV 122 of the second main body 12 of opposite opened main body 1, and drive plug stifled 31 to rotate by tapping equipment 500 and revolve
Tight screw thread；Afterwards, tapping equipment 500 and valve 400 are dismantled, the first briquetting 33 and the first blanking cover 32 are installed, and screw first
Blanking cover 32, the end (i.e. second interface a2) of the Part IV 122 of the second main body 12 is closed.
It is understood that the inner and outer wall in the Part IV 122 of the second main body 12 is threaded, wherein,
The screw thread of outer wall can select American Standard NPT2 inches canalis spinalis sealing screw thread, and the screw thread of inwall selects generic connectivity screw thread.And
And second main body 12 Part IV 122 inwall on be also machined with smooth sealing surface, coordinate with the first sealing ring 35 close
Envelope, sealing surface are located at the outside of threaded portion.The inwall processing of first blanking cover 32 has internal thread, and the outer wall of plug stifled 31 is machined with outside
Screw thread.The sealing ring 35 of back-up ring 34 and first is arranged in same mounting groove, can set multigroup, such as two groups of back-up rings 34 and
One sealing ring 35.
Plug stifled 31 can use 2 cun of plugs to block up, and the first sealing ring 35 can be 2 cun of O-ring seals.The material of plug stifled 31 can be with
For copper；The material of first sealing ring 35 can be rubber, preferably oil resistant, high-temperature resistant rubber；First briquetting 33 can use poly- four
PVF or hard rubber material；First blanking cover 32 can use and the identical forging material of opposite opened main body 1.
Further, the pipe fitting that the utility model embodiment provides also includes the second plugging part 4, to opposite opened main body
First interface a1 is blocked, or including switching part, new pipeline is connected at the first interface a1 of opposite opened main body.
Wherein, the second plugging part 4 can include：Two cross sectional shapes being arranged in annular space Y1 are in semi-circular shape
The second briquetting 41；Cover the 3rd briquetting 43 of the second briquetting 41, cover the 3rd briquetting 43 and with the first end of Part I 111
Outer wall and Part III 121 first end outer wall fix the second blanking cover 42, and, be arranged on the interior of the second blanking cover 42
The second sealing ring 44 on the outer wall of the first end of Part I 111 and the outer wall wall of the first end of Part III 121.
It can be blocked being welded on after main pipeline 300, treating by opposite opened main body 1 before pipeline 200 carries out perforate, can
(can be epoxy resin to inject fluid sealant in the annular space Y1 between opposite opened disrance sleeve 2 and pipeline to be blocked 200
Glue), the second briquetting 41 is pressed into annular space Y1 afterwards, after adhesive curing to be sealed, realizes that opposite opened disrance sleeve 2 hinders with waiting
Non-solder sealing between disconnected pipeline 200 is fixed, while ensures that the medium in main pipeline 300 will not be from opposite opened disrance sleeve 2
Revealed between pipeline 200 to be blocked.Will be after blocking pipeline 200 to block, along opposite opened separation sleeve by water-tight equipment 600
Pipeline 200 to be blocked is blocked in the end face of pipe 2.3rd briquetting 43 and the second blanking cover 42 are installed afterwards.Wherein, the second blanking cover 42
Inner surface setting have the outer wall of the female mouth of connection, the outer wall of the first end of Part I 111 and the first end of Part III 121
The connection rim of the mouth that above-mentioned connection mother mouth is engaged is provided with, such as can be screw thread.Second briquetting 41 and the 3rd briquetting 43 can be with
Using polytetrafluoroethylene (PTFE) or hard rubber material, the second sealing ring 44 is using oil resistant, resistant to elevated temperatures elastomeric material, the second blanking cover
42 use and the identical forging material of opposite opened main body 1.
Switching part can include：Two cross sectional shapes being arranged in annular space Y1 are in the second briquetting of semi-circular shape
41；And the adapter fixed with the outer wall of the first end of Part I 111 and the outer wall of the first end of Part III 121.
It can be blocked being welded on after main pipeline 300, treating by opposite opened main body 1 before pipeline 200 carries out perforate, can
(can be epoxy resin to inject fluid sealant in the annular space Y1 between opposite opened disrance sleeve 2 and pipeline to be blocked 200
Glue), the second briquetting 41 is pressed into annular space Y1 afterwards.When by water-tight equipment 600 will wait block pipeline 200 block after,
Pipeline 200 to be blocked is blocked along the end face of opposite opened disrance sleeve 2, adapter is installed, then by new pipeline and adapter
Connection.Adapter can be reducer union.
Second aspect, the utility model embodiment provide a kind of method for blocking pipeline, the external diameter of pipeline for 50mm with
Under, the pipe fitting that this method is provided by the utility model embodiment first aspect is implemented, referring to Fig. 6-1,6-2,6-3 and 7-1,
7-2,7-3, this method specifically include following steps：
Step S1, the first body 21 of opposite opened disrance sleeve 2 and the second body 22 are set in pipeline 200 to be blocked and leaned on
The opening position of nearly main pipeline 300, afterwards welds the first body 21 and the second body 22.
Step S2, the first main body 11 of opposite opened main body 1 and the second main body 12 are set on opposite opened disrance sleeve 2,
First main body 11 and the second main body 12 are welded, and the first main body 11 and the second main body 12 are welded with main pipeline 300.
Step S3, in end (i.e. second interface a2) connecting valve 400 of the second through hole of the second main body 12.
Step S4, tapping equipment 500 is connected with valve 400, valve 400 is in opening, by tapping equipment 500
Drill bit stretched into by valve in the second through hole of the second main body 12, through opposite opened disrance sleeve 2 after in pipeline 200 to be blocked
Side wall on perforate, dismantle tapping equipment 500 afterwards, and close valve 400.
Step S5, water-tight equipment 600 is connected to simultaneously Open valve 400 with valve 400, will be sealed by water-tight equipment 600
Part is sent into inside pipeline 200 to be blocked from the perforate in the side wall of pipeline 200 to be blocked, and pipeline to be blocked is blocked by seal
The circulation of 200 interior medias；
Step S6, pipeline 200 to be blocked is blocked, make the end of pipeline 200 to be blocked and the end of opposite opened disrance sleeve 2
Portion is concordant, is connected afterwards by the end part seal of pipeline 200 to be blocked or by new pipeline with pipeline 200 to be blocked；
Step S7, water-tight equipment 600 is dismantled, the first plugging part 3 is installed.
Further, the utility model embodiment provide blocking pipeline method in, step S2 and step S3 it
Between comprise the following steps：
Fluid sealant is injected in annular space Y1 between opposite opened disrance sleeve 2 and pipeline to be blocked 200, afterwards by
In two briquettings 41 press-in annular space Y1.After adhesive curing to be sealed, subsequent step is carried out.
Further, will wait to block by the 3rd briquetting 43 in the second plugging part 4 and the second blanking cover 42 in step S6
Pipeline 200 block after end part seal, the connection of new pipeline is realized by installing adapter.
Further, step S7 is specifically included：
Step S701, water-tight equipment 600 is dismantled, close valve 400；
Step S702, the sealing ring 35 of back-up ring 34 and first is installed on plug stifled 31；
Step S703, valve is opened, stifled 31 will be filled in and be fixed to inside the second through hole of the second main body 12, dismantle valve 400,
First briquetting 33 and the first blanking cover 32 are installed afterwards.
Wherein, in step S702, tapping equipment installing stopper stifled 31 can be passed through.
In the method for the blocking pipeline that the utility model embodiment provides, tapping equipment 500 and water-tight equipment 600 are using this
Field conventional tapping equipment and water-tight equipment.Wherein, water-tight equipment 600 is specifically as follows Expansion sealing equipment, that is, adopts
With the seal of polytetrafluoroethylene (PTFE) material, seal is sent into after the opening area Y2 for blocking pipeline 200, seal is applied
Pressure, seal is set to be advantageous to thoroughly block the flow of media in pipeline 200 to be blocked by compression swelling.
To sum up, the pipe fitting and method provided using the utility model embodiment, can thoroughly block external diameter below 50mm's
Flow of media in pipeline, ensure to safeguard, rush to repair or transform being smoothed out for operation.And the utility model embodiment provides
Fitting structure is simple, good appearance, easy to operation.
It is upper described to be for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not limiting
The utility model processed.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (8)
1. a kind of pipe fitting for being used to block pipeline, the external diameter of the pipeline is below 50mm, it is characterised in that the pipe fitting bag
Include：Opposite opened main body (1), opposite opened disrance sleeve (2) and the first plugging part (3)；
The opposite opened disrance sleeve (2) includes the first body (21) and the second body (22), first body (21) and
Two bodys (22) are respectively provided with the semi-cylindrical recesses of both ends open, shape after first body (21) and the second body (22) pairing
Into the cavity that can accommodate pipeline to be blocked；
The opposite opened main body (1) includes the first main body (11) and the second main body (12)；
First main body (11) has the first groove and one end open, the first through hole of other end closing of both ends open, institute
It is vertical with the axis of the first through hole to state the axis of the first groove, and one end of the opening of the first through hole and described the
One groove connects；
Second main body (12) has the second groove of both ends open and the second through hole of both ends open, second groove
Axis is vertical with the axis of second through hole, and one end of second through hole connects with second groove, and described
One plugging part (3) is used for the other end for blocking second through hole；
The opposite opened disrance sleeve (2) is set in the cavity that first groove and second groove are combined to form, and
The shape of the inner surface for the cavity that first groove and second groove are combined to form and the opposite opened disrance sleeve (2)
The shape of outer surface be engaged.
2. pipe fitting according to claim 1, it is characterised in that first body (21) and second body (22) are equal
In the hollow semi-cylindrical bodily form of both ends open, and the internal diameter of the first end of first body (21) and second body (22)
More than the internal diameter at the second end, the external diameter of the first end of first body (21) and second body (22) is more than the second end
External diameter；
The external diameter phase of the internal diameter and the pipeline to be blocked at the second end of first body (21) and second body (22)
The cavity that the first end of cooperation, first body (21) and second body (22) is combined to form and the pipeline to be blocked
Between there is annular space (Y1)；
First main body (11) include in both ends open the hollow semi-cylindrical bodily form Part I (111) and opened in one end
Put, the Part II (112) of the hollow circuit cylinder bodily form of other end closing, the Part I (111) and the Part II
(112) axis is vertical, and one end that the Part II (112) opens connects with the inside of the Part I (111)；
Second main body (12) is included in the Part III (121) of the hollow semi-cylindrical bodily form of both ends open and in both ends open
The hollow circuit cylinder bodily form Part IV (122), the axis of the Part III (121) and the Part IV (122) is vertical,
And one end of the Part IV (122) connects with the inside of the Part III (121)；
The internal diameter for the cavity that the first end of the Part I (111) and the first end of the Part III (121) are combined to form
The external diameter phase for the cylinder being combined to form with the first end of first body (21) and the first end of second body (22)
Coordinate, the internal diameter for the cavity that the second end of the Part I (111) and the second end of the Part III (121) are combined to form
The external diameter phase for the cylinder being combined to form with the second end of first body (21) and the second end of second body (22)
Coordinate.
3. pipe fitting according to claim 2, it is characterised in that first plugging part (3) includes：Plug stifled (31), the
One briquetting (33), the first blanking cover (32), back-up ring (34) and the first sealing ring (35)；
The Part IV (122) that the plug stifled (31) is arranged on second main body (12) is internal, and passes through screw thread and described the
Four parts (122) are fixed, and the plug stifled (31) has the mounting hole (311) that one end open, one end are closed, the mounting hole
(311) outside of the open one end towards the Part IV (122)；
It is peripherally disposed on the outer wall of the plug stifled (31) to have mounting groove, the back-up ring (34) and first sealing ring
(35) it is arranged in the mounting groove；
First briquetting (33) offsets with end of the Part IV (122) away from the Part III (121)；
First blanking cover (32) covers first briquetting (33) and consolidated by the outer wall of screw thread and the Part IV (122)
It is fixed.
4. pipe fitting according to claim 2, it is characterised in that the pipe fitting also includes the second plugging part (4)；
Second plugging part (4) includes：Two cross sectional shapes being arranged in the annular space (Y1) are in semi-circular shape
The second briquetting (41)；
The 3rd briquetting (43) of second briquetting (41) is covered,
Cover the 3rd briquetting (43) and with the outer wall of the first end of the Part I (111) and the Part III
(121) the second blanking cover (42) that the outer wall of first end is fixed,
And it is arranged on the second sealing ring (44) on the inwall of second blanking cover (42).
5. pipe fitting according to claim 2, it is characterised in that the pipe fitting also includes switching part；
The switching part includes：It is arranged on second pressure of two cross sectional shapes in the annular space (Y1) in semi-circular shape
Block (41)；
And with the outer wall of the first end of the Part I (111) and the outer wall of the first end of the Part III (121)
Fixed adapter.
6. pipe fitting according to claim 2, it is characterised in that two sides of the first body (21) radial direction,
Two sides of the second body (22) radial direction, Part I (111) radial direction of first main body (11)
Two sides, two sides of Part III (121) radial direction of second main body (12), first main body (11)
Second end of the Part III (121) of the second end of Part I (111) and second main body (12) is machined with welding
Groove.
7. pipe fitting according to claim 6, it is characterised in that when first body (21) and second body (22)
After pairing, first main body (11) and second main body (12) pairing, two of the first body (21) radial direction
There is 40 °~50 ° of angle between the axis of the Part II (112) of line and first main body (11) between side.
8. pipe fitting according to claim 2, it is characterised in that first body (21) and second body (22) are outside
It is provided with the outer wall of the less part in footpath to midplane (b1), midplane (b1) is provided centrally with to concave described
Cheat (b2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721103488.6U CN207179026U (en) | 2017-08-31 | 2017-08-31 | For blocking the pipe fitting of pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721103488.6U CN207179026U (en) | 2017-08-31 | 2017-08-31 | For blocking the pipe fitting of pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207179026U true CN207179026U (en) | 2018-04-03 |
Family
ID=61739585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721103488.6U Active CN207179026U (en) | 2017-08-31 | 2017-08-31 | For blocking the pipe fitting of pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207179026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108669041A (en) * | 2018-04-27 | 2018-10-19 | 芜湖华诚农业技术有限公司 | A kind of agricultural equipment pesticide spraying device |
| CN109424817A (en) * | 2017-08-31 | 2019-03-05 | 中国石油天然气集团公司 | Method for blocking the pipe fitting of pipeline and blocking pipeline |
-
2017
- 2017-08-31 CN CN201721103488.6U patent/CN207179026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109424817A (en) * | 2017-08-31 | 2019-03-05 | 中国石油天然气集团公司 | Method for blocking the pipe fitting of pipeline and blocking pipeline |
| CN108669041A (en) * | 2018-04-27 | 2018-10-19 | 芜湖华诚农业技术有限公司 | A kind of agricultural equipment pesticide spraying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207179026U (en) | For blocking the pipe fitting of pipeline | |
| CN105736894B (en) | Offshore platform high-pressure process pipeline hydraulic Quick leak stoppage apparatus | |
| CN104405991A (en) | Saddle-shaped punching device for plastic conveying pipeline and punching method thereof | |
| CN108533842A (en) | A kind of extrusion type sealed device and its installation method for pipe gallery penetration pipe | |
| CN106761549A (en) | A kind of positive and negative two-way continuous cycle operation device of self-balancing | |
| CN105715889A (en) | Seepage preventing flange connecting piece | |
| CN210240592U (en) | Stop valve with sampling function | |
| CN105114752B (en) | Water pipe rapid movable connector | |
| CN109424817A (en) | Method for blocking the pipe fitting of pipeline and blocking pipeline | |
| CN105570591B (en) | A kind of variable more logical hydraulic fittings of two-way | |
| CN204493936U (en) | The joint connecting structure of anticorrosion composite pipe | |
| CN109210235A (en) | A kind of pipeline docking three-way valve for transfer oil | |
| CN213332945U (en) | Stainless steel pipe that leakproofness is good | |
| CN101586730B (en) | Quick high-pressure no transmission stoppage urgent repair method and jig | |
| CN205991273U (en) | A kind of bellows seal sleeve barrel compensator | |
| CN108049836A (en) | Replacement SAGD wellhead assemblies and its replacing options with pressure | |
| CN201627562U (en) | Switch plugging blowout relief device in wellhead | |
| CN209041642U (en) | A kind of pipeline docking three-way valve for transfer oil | |
| CN204284762U (en) | Plastic conveying and plastic pipeline saddle type boring device | |
| CN204113301U (en) | Big cross section rectangular top pipe tube coupling | |
| CN202708434U (en) | Pipe clamp sealing part | |
| CN201764058U (en) | Petroleum pipeline valve body | |
| CN209145501U (en) | Enhanced type steel well casing | |
| CN103851303B (en) | Oil and gas pipeline Quick leak stoppage apparatus and method | |
| CN202629149U (en) | Ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |