CN206973074U - A kind of spheroidal graphite cast-iron push pipe water fetching device - Google Patents
A kind of spheroidal graphite cast-iron push pipe water fetching device Download PDFInfo
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- CN206973074U CN206973074U CN201720676743.XU CN201720676743U CN206973074U CN 206973074 U CN206973074 U CN 206973074U CN 201720676743 U CN201720676743 U CN 201720676743U CN 206973074 U CN206973074 U CN 206973074U
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- spheroidal graphite
- pushing tow
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Abstract
The utility model provides a kind of spheroidal graphite cast-iron push pipe water fetching device, it is related to push pipe intake equipment technical field, including body, sheath and blank flange, sheath is arranged on the outside of body, body includes integrally formed pushing tow bellmouth, ductile iron pipe, block cast flange and pushing tow socket, pushing tow bellmouth and pushing tow socket are respectively arranged at the both ends of ductile iron pipe, and block cast flange is arranged at the middle part of ductile iron pipe, and blank flange is engaged with the flange pre-manufactured hole of block cast flange by cecum studding hole.The utility model realizes that branch pipe is fetched water by way of preformed open-cell and monoblock cast, whole device is simple in construction, it is easily installed operation, avoid the cutting of later stage to ductile iron pipe body in itself, avoid influenceing the bulk strength of body, effectively avoid influence of the post-production to body performance itself, ensure that the mechanical property of ductile iron pipe, it is simultaneously good to the adaptability of different bore branch pipes, there are good economic results in society.
Description
Technical field
It the utility model is related to push pipe intake equipment technical field, more particularly to a kind of spheroidal graphite cast-iron push pipe water fetching device.
Background technology
With the quickening of urbanization process, jacking construction is more and more used in municipal construction, jacking construction is one
Kind no-excavation construction method can carry out Urban Underground water supply and sewerage pipeline, natural gas stone in the case where not influenceing surrounding environment
The non-excavation laying of the various pipelines such as oil-piping and communication cable.
Pipe jacking construction technique is widely used, and during constantly progressive, people gradually propose higher to it
Requirement, branch pipe water intaking be exactly a key technology therein.Existing patent document《The vertical method for fetching water of push pipe》CN
A kind of method of steel pipe push pipe water intaking is proposed in 102561454 A, directly cuts completion in the outer wall of steel pipe push pipe.With steel pipe
Push pipe is different, and the concrete sheath of the general outer wall wrap framework of steel reinforcement of spheroidal graphite cast-iron push pipe is so that outer tube diameter is unified, such as specially
Sharp file《Spheroidal graphite cast-iron push pipe and preparation method thereof》Shown in the A of CN 103486349, this to branch pipe water intaking bring it is very big not
Just.During in order to avoid installation branch pipe, the difficulty of concrete sheath, document are cut《PIPE FOR PIPE JACKING》US
Proposed in 005097871A and change sheath filler（Such as：Sand, foaming mortar）Mode, cut although this method can be reduced
The difficulty cut, but still inevitably cut to the body of ductile iron pipe.Certainly, branch pipe and supervisor（Spheroidal graphite cast-iron push pipe）
Connected mode it is also relevant with the aperture ratio being responsible for the bore of branch pipe and branch pipe.When branch pipe bore very little, note is preferably used
Hole is starched as water intaking hole；Bore is somewhat larger, can be fetched water using saddle seat mode.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided it is a kind of it is simple in construction,
It is easily installed, avoids the spheroidal graphite cast-iron push pipe water fetching device for causing damage, adaptability good in itself to body.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of spheroidal graphite cast-iron push pipe water intaking
Device, including body, sheath and blank flange, the sheath are arranged on the outside of body, and the body includes integrally formed top
Bellmouth, ductile iron pipe, block cast flange and pushing tow socket are pushed away, the pushing tow bellmouth and pushing tow socket are respectively arranged at spheroidal graphite cast-iron
The both ends of pipe, the block cast flange are arranged at the middle part of ductile iron pipe, and the flange of the blank flange and block cast flange is prefabricated
Hole is engaged by cecum studding hole.
As further technical scheme, flange pre-manufactured hole can also be engaged with branch pipe linker.
As further technical scheme, between block cast flange and ductile iron pipe be provided with multiple uniform shaft orientation reinforcing ribs and
Multiple modal circumferential stiffening ribs.
As further technical scheme, seal groove is additionally provided with block cast flange, sealing ring, institute are provided with the seal groove
Stating sealing ring can be engaged with blank flange or branch pipe linker.
As further technical scheme, block cast flange expansion shape is rectangle, the blank flange be arc bent plate and
Expansion shape is rectangle, and block cast flange is engaged with blank flange.
As further technical scheme, sheath is formed using concreting.
Circumference is provided with as further technical scheme, between pushing tow socket and ductile iron pipe to uniform gusset.
As further technical scheme, blank flange outer surface is concordant with jacket outer surface.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model passes through preformed open-cell and monoblock cast
Mode realize branch pipe fetch water, whole device is simple in construction, is easily installed operation, avoid the later stage to ductile iron pipe body in itself
Cutting, avoid influence body bulk strength, effectively avoid influence of the post-production to body performance itself, ensure that
The mechanical property of ductile iron pipe, at the same it is good to the adaptability of different bore branch pipes, there are good economic results in society.
Brief description of the drawings
Fig. 1 is a kind of a kind of structural representation of state of spheroidal graphite cast-iron push pipe water fetching device of the utility model.
Fig. 2 is the A-A sectional views in Fig. 1.
Fig. 3 is Fig. 1 top view.
Fig. 4 is the structural representation of the utility model another kind state.
In figure：1st, body；11st, pushing tow bellmouth；12nd, ductile iron pipe；13. block cast flange；131st, shaft orientation reinforcing rib；
132nd, flange pre-manufactured hole, 133, modal circumferential stiffening rib；134th, cecum studding hole；135th, seal groove；14th, pushing tow socket；2. sheath；
3rd, blank flange；5. sealing ring；6th, branch pipe linker.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figures 1 to 4, a kind of spheroidal graphite cast-iron push pipe water fetching device, including body 1, sheath 2 and blank flange 3, institute
State sheath 2 and be arranged at the outside of body 1, the body 1 includes integrally formed pushing tow bellmouth 11, ductile iron pipe 12, block cast method
Orchid 13 and pushing tow socket 14, the pushing tow bellmouth 11 and pushing tow socket 14 are respectively arranged at the both ends of ductile iron pipe 12, described
Block cast flange 13 is arranged at the middle part of ductile iron pipe 12, and the flange pre-manufactured hole 132 of the blank flange 3 and block cast flange 13 is logical
Cecum studding hole 134 is crossed to be engaged.Using the block cast fitting structure of preformed open-cell.Pushing tow bellmouth 11, ductile iron pipe 12, block cast
Flange 13 and pushing tow socket 14 are formed in one, and ensure the intensity of whole body 1, avoid the occurrence of stress raisers, influence by
The situation of power.Blank flange 3 is first installed on the block cast flange 13 of body 1 by body 1 after being molded, and is then carrying out sheath 2
Pour, when avoiding pouring, sheath material enters inside body 1, and carries out corresponding mark in the installation site of blank flange 3.
As shown in figure 4, as further technical scheme, flange pre-manufactured hole 132 can also match with branch pipe linker 6
Close.After the jacking construction of body 1 and sheath 2 has been carried out, the blank flange 3 on block cast flange 13 is removed, then
Branch pipe linker 6 is coordinated with block cast flange 13 it is integrally mounted, the other end of branch pipe linker 6 according to branch pipe interface not
Together, the pattern that matching interface is made is attached, you can realizes that branch pipe is fetched water.
As shown in figure 3, as further technical scheme, it is provided between block cast flange 13 and ductile iron pipe 12 multiple uniform
Shaft orientation reinforcing rib 131 and multiple modal circumferential stiffening ribs 133.In order to ensure what is connected between block cast flange 13 and ductile iron pipe 12
Secure rigid, shaft orientation reinforcing rib 131 and modal circumferential stiffening rib 133 are provided between block cast flange 13 and ductile iron pipe 12, it is axially strong
Muscle 131 is axially arranged along body 1, and modal circumferential stiffening rib 133 is arranged circumferentially along body 1, ensures block cast from surrounding all directions
Flange 13 effectively can be connected with ductile iron pipe 12, ensure that the globality of body 1, with good mechanical property.
As shown in figure 3, as further technical scheme, seal groove 135, the seal groove are additionally provided with block cast flange 13
Sealing ring 5 is provided with 135, the sealing ring 5 can be engaged with blank flange 3 or branch pipe linker 6.Seal groove 135 can also be opened
On blank flange 3 or branch-pipe connector 6, such block cast flange 13 does not just have to open seal groove 135, and sealing ring 5 is arranged at close
In sealing groove 135, its exposed face is tightly bonded during jacking construction with blank flange 3, the later stage fetch water during with branch pipe
Connector 6 is tightly bonded, and ensures that the overall tightness of body 1 is good, the appearance for the problems such as avoiding causing seepage.Seal groove 135
Set along the upper surface of block cast flange 13, formed with reference to sealing ring 5 between blank flange 3 or branch pipe linker 6 and block cast flange 13
Tight fitting.
As shown in figure 3, as further technical scheme, the expansion shape of block cast flange 13 is rectangle, the blank flange 3
It is rectangle for arc bent plate and expansion shape, block cast flange 13 is engaged with blank flange 3.The expansion shape of block cast flange 13 is
Rectangle, the block cast flange 13 are arc bent plate, and its expansion shape is also rectangle, and identical arc is respectively provided with before the two is not deployed
Degree, tight leakproof fit effect can be realized in a circumferential direction, ensures the sealing of whole body 1, is easy to construction period push pipe
Push-in, avoid dregs enter body 1 in.
As shown in Figures 1 to 4, formed as further technical scheme, sheath 2 using concreting.Spheroidal graphite cast-iron
Pipe 12 is in for jacking construction, and the sheath 2 of the concrete material of the outer wall wrap framework of steel reinforcement of ductile iron pipe 12 is so that ball
The external diameter of graphite cast iron pipe 12 is unified, is due to that the material is cheap from concrete, material is easy to get, while also can be effective
Ductile iron pipe 12 is played a protective role.
As shown in figure 3, circumference is provided with as further technical scheme, between pushing tow socket 14 and ductile iron pipe 12 to equal
The gusset of cloth.Pushing tow socket 14 coordinates pushing tow bellmouth 11 to use in use, bears the thrust during push pipe pushing tow, institute
It is larger with stress degree, so the connection between pushing tow socket 14 and ductile iron pipe 12 needs firmly tight, guarantee stressed effect,
So circumference is provided between pushing tow socket 14 and ductile iron pipe 12 to uniform gusset, to ensure that the globality of the two is more preferable,
Stress-bearing capability is stronger.
As shown in Figure 1 to Figure 2, as further technical scheme, the outer surface of blank flange 3 and the flush with outer surface of sheath 2.
Blank flange 3 needs to be connected with the block cast flange 13 on body 1, so the diameter of the outer surface of blank flange 3 can be more than ball
The diameter of graphite cast iron pipe 12, the outer surface of mounted blank flange 3 can protrude from the outer surface of ductile iron pipe 12, due to ball
The outside of graphite cast iron pipe 12 is additionally provided with the sheath 2 of concrete, so the outer surface of blank flange 3 and the flush with outer surface of sheath 2 are then protected
The uniformity of the whole exterior surface dimension of body 1 has been demonstrate,proved, has been easy to ensure being smoothed out for jacking construction, reduces difficulty of construction.
The utility model realizes that branch pipe is fetched water by way of preformed open-cell and monoblock cast, and whole device is simple in construction,
Operation is easily installed, avoids the cutting of later stage to ductile iron pipe body in itself, avoids influenceing the bulk strength of body, effectively
Influence of the post-production to body performance itself is avoided, ensure that the mechanical property of ductile iron pipe, while to different bores
The adaptability of branch pipe is good, has good economic results in society.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (8)
- A kind of 1. spheroidal graphite cast-iron push pipe water fetching device, it is characterised in that：Including body（1）, sheath（2）And blank flange（3）, institute State sheath（2）It is arranged at body（1）Outside, the body（1）Including integrally formed pushing tow bellmouth（11）, ductile iron pipe （12）, block cast flange（13）With pushing tow socket（14）, the pushing tow bellmouth（11）With pushing tow socket（14）It is respectively arranged at spheroidal graphite Cast iron pipe（12）Both ends, the block cast flange（13）It is arranged at ductile iron pipe（12）Middle part, the blank flange（3）With Block cast flange（13）Flange pre-manufactured hole（132）Pass through cecum studding hole（134）It is engaged.
- A kind of 2. spheroidal graphite cast-iron push pipe water fetching device according to claim 1, it is characterised in that：The flange pre-manufactured hole （132）Can also be with branch pipe linker（6）It is engaged.
- A kind of 3. spheroidal graphite cast-iron push pipe water fetching device according to claim 1, it is characterised in that：The block cast flange（13） With ductile iron pipe（12）Between be provided with multiple uniform shaft orientation reinforcing ribs（131）With multiple modal circumferential stiffening ribs（133）.
- A kind of 4. spheroidal graphite cast-iron push pipe water fetching device according to claim 3, it is characterised in that：The block cast flange（13） On be additionally provided with seal groove（135）, the seal groove（135）In be provided with sealing ring（5）, the sealing ring（5）Can be with blank flange （3）Or branch pipe linker（6）It is engaged.
- A kind of 5. spheroidal graphite cast-iron push pipe water fetching device according to claim 4, it is characterised in that：The block cast flange（13） Expansion shape is rectangle, the blank flange（3）It is rectangle for arc bent plate and expansion shape, the block cast flange（13）With Blank flange（3）It is engaged.
- A kind of 6. spheroidal graphite cast-iron push pipe water fetching device according to claim 1, it is characterised in that：The sheath（2）Using Concreting forms.
- A kind of 7. spheroidal graphite cast-iron push pipe water fetching device according to claim 1, it is characterised in that：The pushing tow socket（14） With ductile iron pipe（12）Between be provided with circumference to uniform gusset.
- A kind of 8. spheroidal graphite cast-iron push pipe water fetching device according to claim 1, it is characterised in that：The blank flange（3） Outer surface and sheath（2）Flush with outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676743.XU CN206973074U (en) | 2017-06-12 | 2017-06-12 | A kind of spheroidal graphite cast-iron push pipe water fetching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720676743.XU CN206973074U (en) | 2017-06-12 | 2017-06-12 | A kind of spheroidal graphite cast-iron push pipe water fetching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973074U true CN206973074U (en) | 2018-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720676743.XU Active CN206973074U (en) | 2017-06-12 | 2017-06-12 | A kind of spheroidal graphite cast-iron push pipe water fetching device |
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| CN (1) | CN206973074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237123A (en) * | 2018-10-16 | 2019-01-18 | 莫志华 | A kind of steel trenchless pipe jacking |
| CN110886912A (en) * | 2019-12-31 | 2020-03-17 | 黄石新兴管业有限公司 | Pipeline device of nodular cast iron jacking pipe, jacking pipe mold and preparation method of jacking pipe mold |
-
2017
- 2017-06-12 CN CN201720676743.XU patent/CN206973074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237123A (en) * | 2018-10-16 | 2019-01-18 | 莫志华 | A kind of steel trenchless pipe jacking |
| CN110886912A (en) * | 2019-12-31 | 2020-03-17 | 黄石新兴管业有限公司 | Pipeline device of nodular cast iron jacking pipe, jacking pipe mold and preparation method of jacking pipe mold |
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