CN207514468U - A kind of electric smelting bypasses saddle type - Google Patents
A kind of electric smelting bypasses saddle type Download PDFInfo
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- CN207514468U CN207514468U CN201721467919.7U CN201721467919U CN207514468U CN 207514468 U CN207514468 U CN 207514468U CN 201721467919 U CN201721467919 U CN 201721467919U CN 207514468 U CN207514468 U CN 207514468U
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- pipe fitting
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- knife bar
- cutter head
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Abstract
The utility model discloses a kind of electric smelting to bypass saddle type, it is related to electric melting pipe fittings field, including saddle type main body, the straight-through pipe fitting stood in saddle type main body, bypass pipe fitting, the sealing end cap set on straight-through pipe port, the tool apron in straight-through pipe fitting and the boring cutter on tool apron being laterally located on straight-through pipe fitting, the first co-axial sleeve joint hole is offered on tool apron；The boring cutter includes knife bar and big cutter head, the knife bar and the first sleeve joint hole match socket, big cutter head is fixed on knife bar lower end and is coaxially disposed with knife bar, straight-through tube intracavity on the upside of bypass pipe fitting interface is puts knife cavity, straight-through tube intracavity on the downside of bypass pipe fitting interface is test cavity, a rotatory sealing plug is equipped in the test cavity, the second co-axial sleeve joint hole is offered on the knife bar, a torsion bar is equipped in second sleeve joint hole.The utility model to solve the above-mentioned problems, proposes a kind of included sealing performance test function and easy to operate electric smelting bypass saddle type.
Description
Technical field
The utility model is related to electric melting pipe fittings field more particularly to a kind of electric smelting bypass saddle types.
Background technology
Polyethylene tube because its environmental protection, corrosion resistance is strong the advantages that, be used in extensively in buried pipeline engineering.
In steel gas pipe underground work, it is sometimes desirable to which the connecting bypass pipe on gas pipeline, traditional method are that first gas pipeline is carried out
Stop the supple of gas or steam, cut off gas pipeline, a three-way connection is installed, then bypass pipe fitting is connected on three-way connection, but stop the supple of gas or steam for
Buried pipeline Effects on Engineering range is big, and economic loss is more；With the improvement of technology, the way of present mainstream is using a kind of nothing
The electric smelting bypass saddle type that need to be stopped the supple of gas or steam, referring to following patent：Patent name is " electric-melting saddle-shaped three-way pipe fitting for being used for buried pipeline ",
Authorization Notice No. is CN201688069U, and authorized announcement date is on December 29th, 2010, including：The collet of lower part, top
Saddle type main body, the boring device in saddle type main body and the sealing device set on saddle type main body upper end, the boring device
Including bore cutter.It, first with the pipeline external surface welding in use, is reused interior by the heating wire on saddle type body inner surface
Bypass pipe is drawn in the trepanning on pipeline of the boring device in portion.Above-mentioned electric-melting saddle-shaped is drawn bypass pipe to the pipeline in use and is brought
Greatly facilitate, still, with after pipeline external surface welding, the leakproofness of weld is difficult to ensure, if welding is unqualified
It leaks, it will cause greatly security risk and loss.Therefore, electric-melting saddle-shaped after pipeline external surface welding with being required for
It is tested by sealing performance, and the not included sealing performance test function of current electric-melting saddle-shaped, if you need to be set by external testing
Standby, operation is more inconvenient.
Utility model content
The utility model to solve the above-mentioned problems, proposes a kind of included sealing performance test function and easy to operate electricity
Molten bypass saddle type.
To achieve these goals, the utility model uses following technical scheme：A kind of electric smelting bypasses saddle type, including saddle type
Main body, the inner surface of the saddle type main body are equipped with the first heating wire, set that there are two the first wiring on the outer surface of saddle type main body
Terminal, two the first wire connection terminals are electrically connected respectively with the first heating wire both ends；Further include the straight pipe stood in saddle type main body
Part is laterally located at the bypass pipe fitting on straight-through pipe fitting, the sealing end cap set on straight-through pipe port, the knife in straight-through pipe fitting
Seat and the boring cutter on tool apron, the tool apron, to be fixedly connected, are equipped with straight-through pipe fitting between tool apron and straight-through pipe fitting
First sealing ring offers the first co-axial sleeve joint hole on tool apron；The boring cutter includes knife bar and big cutter head, the knife
Bar and the first sleeve joint hole match socket, and the second sealing ring is equipped between knife bar and the first sleeve joint hole, and the big cutter head is annular
Cutter head, big cutter head are fixed on knife bar lower end and are coaxially disposed with knife bar, pass through spiral shell between big cutter head outer wall and straight-through pipe fitting inner wall
Line connects；Straight-through tube intracavity on the upside of bypass pipe fitting interface is straight on the downside of bypass pipe fitting interface to put knife cavity
Way pipe fitting inner cavity is test cavity, and described test is equipped with a rotatory sealing plug in cavity, on the periphery of the rotatory sealing plug
Equipped with thread segment, the thread segment and test cavity inner wall thread fitting are additionally provided with the on the periphery of the rotatory sealing plug
Three sealing rings, the third sealing ring coordinate with test cavity inner wall sealing；Co-axial second is offered on the knife bar
Sleeve joint hole, second sleeve joint hole is interior to be equipped with a torsion bar, and the 4th sealing ring, torsion bar are equipped between the torsion bar and the second sleeve joint hole
Lower end is a polygon connection-peg, and the polygon that the rotatory sealing is equipped with can be mating with polygon connection-peg beyond the Great Wall is inserted
Hole.
Preferably, the boring cutter further includes a small bit tool, the small bit tool is also annular cutter head, and small bit tool is located at big
It is coaxially disposed below cutter head and with big cutter head, small bit tool outer diameter is less than big head outer diameter.
Preferably, the upper end of the knife bar is equipped with interior hexagonal jack, the upper end of the torsion bar also is provided with interior hexagonal jack.
Preferably, the sealing end cap inner wall is circumferentially with the second heating wire, sealing end cap outer wall sets that there are two second
Wire connection terminal, two the second wire connection terminals are electrically connected respectively with the second heating wire both ends.
Preferably, corresponding seal in the second electric heating absorption filament-coiling area opens up a peep hole on end cap outer wall.
Therefore, the utility model has the advantages that：1st, sealing performance testing machine structure is carried, treats electric-melting saddle-shaped and pipe
Road dissolving finishes, and can carry out weld sealing performance detection；2nd, using double-pole header structure, downside small bit tool is used for auxiliary seal
It can test；3rd, it is compact-sized, easy to operate, without outside with sealing performance equipment, improving pipeline engineering installation effectiveness.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structure diagram of saddle type main body in the utility model, straight-through pipe fitting and bypass pipe fitting.
Fig. 3 is the structure diagram of tool apron in the utility model.
Fig. 4 is the structure diagram of boring cutter in the utility model.
Fig. 5 is the structure diagram of rotatory sealing plug in the utility model.
Fig. 6 is the structure diagram of torsion bar in the utility model.
Fig. 7 is the structure diagram that end cap is sealed in the utility model.
Fig. 8 is the structure diagram of the utility model use state.
Fig. 9 is the enlarged diagram at A in Fig. 8.
1：Saddle type main body；101：First heating wire；2：Straight-through pipe fitting；201：Put knife cavity；202：Test cavity；3：Bypass
Pipe fitting；4：Seal end cap；401：Second heating wire；402：Second wire connection terminal；403：Peep hole；5：Tool apron；501：First set
Connect hole；502：First sealing ring；6：Boring cutter；601：Knife bar；602：Big cutter head；603：Small bit tool；604：Second sleeve joint hole；
605：Second sealing ring；7：Rotatory sealing plug；701：Thread segment；702：Third sealing ring；703：Polygonal socket；8：Torsion bar；
801：Polygon connection-peg；802：4th sealing ring；9：Interior hexagonal jack；10：Gas pipeline with pressure；11：Saddle type collet.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings.
A kind of electric smelting bypasses saddle type, referring to Fig. 1 to Fig. 9, including saddle type main body 1, is set on the inner surface of the saddle type main body 1
Have the first heating wire 101, the first heating wire 101 be used for 10 tube wall welding of gas pipeline with pressure, on the outer surface of saddle type main body 1
If there are two the first wire connection terminal, two the first wire connection terminals are electrically connected respectively with 101 both ends of the first heating wire；It further includes and stands on
Straight-through pipe fitting 2, transverse direction in saddle type main body 1 are located at the bypass pipe fitting 3 on straight-through pipe fitting 2, the sealing set on straight-through 2 port of pipe fitting
End cap 4, the tool apron 5 in straight-through pipe fitting 2 and the boring cutter 6 on tool apron 5, the tool apron 5 and straight-through pipe fitting 2 are solid
Fixed connection, is equipped with the first sealing ring 502 between tool apron 5 and straight-through pipe fitting 2, the first sealing ring 502 ensures tool apron 5 for further
It is not revealed between straight-through pipe fitting 2, the first co-axial sleeve joint hole 501 is offered on tool apron 5；The boring cutter 6 includes knife
Bar 601, big cutter head 602 and small bit tool 603,601 and first sleeve joint hole 501 of knife bar match socket, knife bar 601 and first
Between sleeve joint hole 501 be equipped with the second sealing ring 605, the second sealing ring 605 for ensure 601 and first sleeve joint hole 501 of knife bar it
Between do not reveal, the upper end of knife bar 601 is equipped with interior hexagonal jack 9, and interior hexagonal jack 9 is for docking spanner rotation boring cutter 6.It is described
Big cutter head 602 and small bit tool 603 are annular cutter head, and big cutter head 602 and small bit tool 603 are each attached to 601 lower end of knife bar and three
Person is coaxially disposed, and small bit tool 603 is located at big 602 lower section of cutter head, and 603 outer diameter of small bit tool is less than big 602 outer diameter of cutter head.The machete
It is connected through a screw thread between 2 inner wall of first 602 outer wall and straight-through pipe fitting, big cutter head 602 can be revolved along the screw thread on straight-through 2 inner wall of pipe fitting
Turn lifting.
To put knife cavity 201, the tool apron 5, which is located at, puts knife sky for 2 inner cavity of straight-through pipe fitting on the upside of 3 interface of bypass pipe fitting
In chamber 201,2 inner cavity of straight-through pipe fitting on the downside of 3 interface of bypass pipe fitting is test cavity 202, is set in the test cavity 202
There is a rotatory sealing plug 7, the periphery of the rotatory sealing plug 7 is equipped with thread segment 701, and the thread segment 701 is empty with test
202 inner thread of chamber coordinates, and rotatory sealing plug 7 can be along test 202 inner thread rotation and lifting of cavity, the rotatory sealing plug
Third sealing ring 702 is additionally provided on 7 periphery, the third sealing ring 702 coordinates with 202 inner wall sealing of test cavity, protects
It is not revealed between barrier third sealing ring 702 and test cavity 202.The second co-axial socket is offered on the knife bar 601
Hole 604, second sleeve joint hole 604 is interior to be equipped with a torsion bar 8, and the 4th sealing is equipped between 8 and second sleeve joint hole 604 of torsion bar
Circle 802, the 4th sealing ring 802 are not revealed for ensureing between 8 and second sleeve joint hole 604 of torsion bar, and 8 upper end of torsion bar is equipped with interior hexagonal
Jack 9, interior hexagonal jack 9 for dock allen wrench rotation torsion bar 8,8 lower end of torsion bar be a polygon connection-peg 801, institute
State rotatory sealing plug 7 be equipped with can be mating with polygon connection-peg 801 polygonal socket 703.
Sealing 4 inner wall of end cap is circumferentially with the second heating wire 401, and the second heating wire 401 is used for frit seal end cap 4
Inner wall and straight-through 2 port outer wall of pipe fitting, sealing 4 outer wall of end cap set that there are two the second wire connection terminal 402, two the second wire connection terminals
402 are electrically connected respectively with 401 both ends of the second heating wire, and the 401 wrapping wire area of the second heating wire is corresponding to be sealed on 4 outer wall of end cap
A peep hole 403 is opened up, peep hole 403 is for the welding feelings between observation sealing 2 port outer wall of 4 inner wall of end cap and straight-through pipe fitting
Condition.Entire sealing end cap 4 is for blocking straight-through 2 upper port of pipe fitting, it is ensured that electric smelting bypass saddle type docks with gas pipeline 10 with pressure,
After trepanning, it will not be leaked to outside pipe from tool apron 5 or 6 gap location of boring cutter using gas in pipe or liquid for a long time.
When installing and using, the face of weld of gas pipeline 10 with pressure is first cleaned out, and carries out dehumidification treatments, uniformly, entirely
The oxide layer of tubing face of weld to be welded is scraped off to face, thickness is 0.1 ~ 0.2mm, with absolute alcohol wiped clean welding surface.Again
The saddle type main body 1 of electric-melting saddle-shaped is erected on gas pipeline 10 with pressure, a saddle type is installed in 10 downside of gas pipeline with pressure again
Collet 11,1 both sides of saddle type main body and saddle type collet are respectively bolted between 11 both sides, it is ensured that the 1 downside melting welding of saddle type main body
Face and 10 surface profiles of gas pipeline with pressure, as shown in Figure 8.It bypasses saddle type and fixes completion, using electro-fusion welding machine to saddle type main body 1
Two the first wire connection terminals on outer surface are powered, and carry out the electric fusion welding between saddle type main body 1 and gas pipeline with pressure 10.Weldering
It to maintain the original state and be fully cooled after the completion of connecing, cooling time >=30 minute.After cooling, positioned at 7 downside of rotatory sealing plug
Test cavity 202 between 10 tube wall of gas pipeline with pressure is in a sealing cavity.The allen wrench of adaptation is looked for be inserted into torsion bar 8
The interior hexagonal jack 9 of upper end, pushes entire torsion bar 8, it is ensured that on the polygon connection-peg 801 of 8 lower end of torsion bar and rotatory sealing plug 7
Polygonal socket 703 plug together, then rotate torsion bar 8, the rotation of torsion bar 8 can drive the rotation of rotatory sealing plug 7 to move down, compression rotation
Turn the test cavity 202 between the downside of sealing-plug 7 and 10 tube wall of gas pipeline with pressure, in the test cavity 202 air pressure can increase,
Make its one testing high voltage of internal formation.It can be by adjusting the backspin displacement of rotatory sealing plug 7, to adjust the survey in sealing cavity
Try atmospheric pressure value.By national standard or company standard, after a certain period of time, the interior hexagonal for removing the interior hexagonal jack 9 of 8 upper end of torsion bar is pulled for pressurize
Hand is changed and the allen wrench that hexagonal jack 9 is adapted in 601 upper end of knife bar, swivel knife carrier 601, under entire boring cutter 6 rotates
It moves, small bit tool 603 first contacts with rotatory sealing plug 7 and cuts through rotatory sealing plug 7, and operating personnel can be by bypass pipe fitting 3
When hole judges that small bit tool 603 cuts through rotatory sealing plug 7 to observe, the downside of rotatory sealing plug 7 and 10 tube wall of gas pipeline with pressure it
Between test cavity 202 in whether have high pressure draught leakage.If so, illustrate 1 downside melting welding face of saddle type main body and combustion gas with pressure
Pad No leakage between 10 tube wall of pipeline, welding are qualified；If not provided, illustrate 1 downside melting welding face of saddle type main body with it is with pressure
There is leakage in the pad between 10 tube wall of gas pipeline, welding is unqualified, need to dismantle welding again.If welding is qualified, behaviour
Making personnel then can be at 3 port of bypass pipe fitting to connecting the required pipeline shunted.Treat that bypass pipe fitting 3 has been docked with the pipeline shunted
To finish, continue rotation and move down boring cutter 6, small bit tool 603 can then cut through 10 tube wall of gas pipeline with pressure in succession with big cutter head 602, this
When, gas pipeline 10 with pressure is connected with bypass pipe fitting 3.After treating trepanning, the revolution of boring cutter 6 is risen to and is put in knife cavity 201
Initial position, it is ensured that the opening clear on gas pipeline 10 with pressure.Finally, sealed end is connected in the upper end set of straight-through pipe fitting 2
Cap 4 is powered using electro-fusion welding machine to two the second wire connection terminals 402 on sealing 4 outer wall of end cap, be sealed end cap 4 with it is straight
Electric fusion welding between way pipe fitting 2, by between observation sealing 2 port outer wall of 4 inner wall of end cap and straight-through pipe fitting of peep hole 403
Welding situation treats that welding, cooling finish the installation process completion of i.e. entire electric smelting bypass saddle type.
Claims (5)
1. a kind of electric smelting bypasses saddle type, including saddle type main body（1）, the saddle type main body（1）Inner surface be equipped with the first electric heating
Silk（101）, saddle type main body（1）Outer surface on set there are two the first wire connection terminal, two the first wire connection terminals are respectively with first
Heating wire（101）Both ends are electrically connected；It further includes and stands on saddle type main body（1）On straight-through pipe fitting（2）, laterally be located at straight-through pipe fitting
（2）On bypass pipe fitting（3）, set on straight-through pipe fitting（2）The sealing end cap of port（4）, set on straight-through pipe fitting（2）Interior tool apron
（5）And set on tool apron（5）On boring cutter（6）, the tool apron（5）With straight-through pipe fitting（2）To be fixedly connected, tool apron（5）With
Straight-through pipe fitting（2）Between be equipped with the first sealing ring（502）, tool apron（5）On offer the first co-axial sleeve joint hole（501）；
The boring cutter（6）Including knife bar（601）With big cutter head（602）, the knife bar（601）With the first sleeve joint hole（501）Match
Socket, knife bar（601）With the first sleeve joint hole（501）Between be equipped with the second sealing ring（605）, the big cutter head（602）For annular
Cutter head, big cutter head（602）It is fixed on knife bar（601）Lower end and and knife bar（601）Coaxial arrangement, big cutter head（602）Outer wall with it is straight
Way pipe fitting（2）It is connected through a screw thread between inner wall, it is characterised in that：Positioned at bypass pipe fitting（3）Straight-through pipe fitting on the upside of interface（2）
Knife cavity is is put in inner cavity（201）, positioned at bypass pipe fitting（3）Straight-through pipe fitting on the downside of interface（2）Inner cavity is test cavity（202）,
The test cavity（202）Inside it is equipped with a rotatory sealing plug（7）, the rotatory sealing plug（7）Periphery be equipped with thread segment
（701）, the thread segment（701）With testing cavity（202）Inner thread coordinates, the rotatory sealing plug（7）Periphery on
It is additionally provided with third sealing ring（702）, the third sealing ring（702）With testing cavity（202）Inner wall sealing coordinates；The knife bar
（601）On offer the second co-axial sleeve joint hole（604）, second sleeve joint hole（604）Inside it is equipped with a torsion bar（8）, institute
State torsion bar（8）With the second sleeve joint hole（604）Between be equipped with the 4th sealing ring（802）, torsion bar（8）Lower end is a polygon connection-peg
（801）, the rotatory sealing plug（7）Being equipped with can be with polygon connection-peg（801）Mating polygonal socket（703）.
2. a kind of electric smelting bypass saddle type according to claim 1, it is characterised in that：The boring cutter（6）It is small to further include one
Cutter head（603）, the small bit tool（603）Also it is annular cutter head, small bit tool（603）Positioned at big cutter head（602）Lower section and and machete
Head（602）Coaxial arrangement, small bit tool（603）Outer diameter is less than big cutter head（602）Outer diameter.
3. a kind of electric smelting bypass saddle type according to claim 1, it is characterised in that：The knife bar（601）Upper end be equipped with
Interior hexagonal jack（9）, the torsion bar（8）Upper end also be provided with interior hexagonal jack（9）.
4. a kind of electric smelting bypass saddle type according to claim 1, it is characterised in that：The sealing end cap（4）Inner wall is circumferential
Equipped with the second heating wire（401）, seal end cap（4）Outer wall is set there are two the second wire connection terminal（402）, two the second wire connection terminals
（402）Respectively with the second heating wire（401）Both ends are electrically connected.
5. a kind of electric smelting bypass saddle type according to claim 4, it is characterised in that：Second heating wire（401）Wrapping wire
The corresponding sealing end cap in area（4）A peep hole is opened up on outer wall（403）.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721467919.7U CN207514468U (en) | 2017-11-06 | 2017-11-06 | A kind of electric smelting bypasses saddle type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721467919.7U CN207514468U (en) | 2017-11-06 | 2017-11-06 | A kind of electric smelting bypasses saddle type |
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| Publication Number | Publication Date |
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| CN207514468U true CN207514468U (en) | 2018-06-19 |
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| CN201721467919.7U Active CN207514468U (en) | 2017-11-06 | 2017-11-06 | A kind of electric smelting bypasses saddle type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883101A (en) * | 2017-11-06 | 2018-04-06 | 宁波市宇华电器有限公司 | A kind of electric smelting bypasses saddle type |
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2017
- 2017-11-06 CN CN201721467919.7U patent/CN207514468U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883101A (en) * | 2017-11-06 | 2018-04-06 | 宁波市宇华电器有限公司 | A kind of electric smelting bypasses saddle type |
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Address after: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Yuhua Industrial Co.,Ltd. Address before: 315414 No. 71, West Road, Hemudu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO YUHUA ELECTRIC APPLIANCE Co.,Ltd. |