CN208681820U - A kind of spheroidal graphite cast-iron push pipe is with pouring tooling - Google Patents
A kind of spheroidal graphite cast-iron push pipe is with pouring tooling Download PDFInfo
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- CN208681820U CN208681820U CN201821172364.8U CN201821172364U CN208681820U CN 208681820 U CN208681820 U CN 208681820U CN 201821172364 U CN201821172364 U CN 201821172364U CN 208681820 U CN208681820 U CN 208681820U
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Abstract
The utility model discloses a kind of spheroidal graphite cast-iron push pipes with tooling is poured, including aperture feed cone, flexible external mold, movable die block and the fixed bed die being sequentially placed from top to bottom；The fixed bed die lower part is fixed with ground, and top is fixedly connected with movable die block, and flexible external mold is installed on the outside of upper part；The movable die block lower part is fixedly connected with fixed bed die, and top is equipped with spheroidal graphite cast-iron push pipe；The spheroidal graphite cast-iron push pipe is made of spheroidal graphite cast-iron push pipe socket, spheroidal graphite cast-iron push pipe bellmouth, pushing tow flange, flange gusset and pipe shaft.The utility model is easy to assembly, advantageously reduces labor intensity.It is arranged in pairs or groups by the superposition of bracing ring, the production of different length spheroidal graphite cast-iron push pipe external wrapping concrete may be implemented；It can satisfy flange cutting elongated groove hole and cutting elongated groove hole do not pour.
Description
Technical field
Tooling technical field is poured the utility model relates to the production of pipe external wrapping concrete, is suitble to more particularly to one kind
Tooling is poured in the production of spheroidal graphite cast-iron push pipe.
Background technique
Spheroidal graphite cast-iron push pipe is to weld pushing tow flange in common ductile iron pipe socket, and external wrapping concrete forms, is suitable for
A kind of push pipe (no pipe trench laying technology) construction.
Chinese utility model patent CN201610521066.4 " a kind of propulsion pipe outer wall grouting equipment and its application method "
A kind of production is both provided with Chinese utility model patent CN201610978969.5 " nodular iron cast pipe outsourcing cement mortar punching block "
The tooling of spheroidal graphite cast-iron push pipe, casting position are respectively positioned on the lower part of pushing tow flange, cannot be considered in terms of Chinese utility model patent
Spheroidal graphite cast-iron push pipe (the band on pushing tow flange mentioned in CN201720183064.9 " the grouting hanging apparatus of spheroidal graphite cast-iron push pipe "
Have long slot hole and hole for hoist) production.
Ductile iron pipe can not be accurately positioned with pedestal in preceding two patents simultaneously, while bellmouth is not also taken at special seal
Reason, easy running pulp cause defect, influence homogeneity of product, increase patch work amount.There is no circle-supporting device at the top of grouting mold, is easy
Cause concrete top oval.In addition, the production method for also not accounting for different length product.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of spheroidal graphite cast-iron push pipes with pouring tooling, its assembling side
Just, the production of the spheroidal graphite cast-iron push pipe product of flange aperture and not aperture and the production of different lengths product be can satisfy, together
When avoid bellmouth running pulp and the elliptical defect of die top.
A kind of spheroidal graphite cast-iron push pipe with pouring tooling, including be sequentially placed from top to bottom aperture feed cone, flexible external mold,
Movable die block and fixed bed die；The fixed bed die lower part is fixed with ground, and top is fixedly connected with movable die block, outside upper part
Side is installed by flexible external mold；The movable die block lower part is fixedly connected with fixed bed die, and top is equipped with spheroidal graphite cast-iron push pipe；Institute
Spheroidal graphite cast-iron push pipe is stated by spheroidal graphite cast-iron push pipe socket, spheroidal graphite cast-iron push pipe bellmouth, pushing tow flange, flange gusset and pipe shaft group
At.
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein the top of the movable die block is equipped with and leads
It is located at guiding surface to inclined-plane, bearing ring, positioning cylindrical surface, end face seal slot and circumferential seal groove, the bearing ring
Inside, the lower section of the guiding surface are positioning cylindrical surface, and it is close that the edge of the outer upper surface of the movable die block is equipped with end face
Sealing groove is equipped with end face seal cushion rubber in the end face seal slot；The lateral surface of the movable die block is equipped with circumferential seal groove, institute
It states and radial seal cushion rubber is installed in circumferential seal groove, the lateral surface of the movable die block is abutted together with flexible external mold；Institute
The outer upper surface and spheroidal graphite cast-iron push pipe bellmouth for stating movable die block are abutted together；The positioning cylindrical surface is for guaranteeing outsourcing
The concentricity of concrete and spheroidal graphite cast-iron push pipe；The flexibility external mold lower part is positioned by movable die block；It is opened on the pushing tow flange
There is hole for hoist；Aperture feed cone is made of top, the blanking conical surface, Anti-splashing backplate, cutting plate, blanking hole and blanking blind patch,
The top lower end links together with the blanking conical surface, and the lower outside of the blanking conical surface is equipped with Anti-splashing backplate；Under described
Expect to be equipped with cutting plate on the outside of the middle part of the conical surface；The lower part of the blanking conical surface is equipped with blanking hole；The lower section of the blanking hole is equipped with
Blanking blind patch, the blanking blind patch link together with the blanking conical surface；The inside of the blanking conical surface is equipped with positioning cylinder；Aperture
Feed cone is mounted on spheroidal graphite cast-iron push pipe socket by positioning cylinder and positioning end face.
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein can be achieved by the folding of flexible external mold
The fast demoulding and group mould of external wrapping concrete；When healing up, lower part is ensured to mold circularity by pushing tow flange by movable die block, top.
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein when pushing tow flange is provided with casting concrete
Long slot hole when, blanking blind patch open, concrete material by blanking hole progress blanking pour.
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein further includes adjustment block；When pushing tow flange not
Cutting elongated groove hole and when for same flexible external mold, increases adjustment block for spheroidal graphite cast-iron push pipe between fixed bed die and movable die block
Increase；Blanking blind patch is put down, and covers blanking blind patch, and the conical surface realization that concrete material passes through flexible external mold pours.
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein further includes two halves support ring, is located at ball
Black cast iron push pipe socket, inner ring are fixedly connected with spheroidal graphite cast-iron push pipe socket, and outer ring is for ensuring to mold circularity.
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein and it further include bracing ring, the bracing ring
Quantity is at least one, and can be superimposed, the production for different length spheroidal graphite cast-iron push pipe
Spheroidal graphite cast-iron push pipe described in the utility model is with pouring tooling, wherein the height of the bracing ring is 200mm
~1600mm.
Compared with the existing technology, the protrusion effect of the utility model is:
(1) the utility model is adapted to flange aperture by the way of lengthening flexible external mold straight pipe+increase adjustment block
The spheroidal graphite cast-iron push pipe of not aperture produces；The uniform blanking of different location is realized using aperture feed cone；Different length may be implemented
Spend the production of spheroidal graphite cast-iron push pipe concrete sheath.Fixed bed die lower part is fixed with ground, and top is fixedly connected with movable die block,
Upper outside installs flexible external mold；Movable die block lower part is fixedly connected with fixed bed die, and top is equipped with ductile iron pipe, dump bottom
Guiding surface, bearing ring, positioning cylindrical surface and seal groove arranged at mould top, and seal groove includes end face seal, on cylindrical surface
Face seal slot, positioning cylindrical surface may insure the concentricity of external wrapping concrete and ductile iron pipe；Flexible external mold lower part is by dump bottom
The fast demoulding and group mould of external wrapping concrete are realized in mould positioning by the folding of external mold, when healing up lower part by movable die block and
Top is ensured to mold circularity by pushing tow flange；Ductile iron pipe lower part is mounted on movable die block, and top is equipped with aperture feed cone, by
Ductile iron pipe socket, magnesium iron tube faucet, pushing tow flange, flange gusset and pipe shaft etc. form, and are provided with hole for hoist on pushing tow flange；
Aperture feed cone by positioning cylinder and positioning end face be mounted on ductile iron pipe socket, by top, the blanking conical surface, Anti-splashing backplate,
The composition such as cutting plate, blanking hole and blanking blind patch.When pushing tow flange is provided with the long slot hole of casting concrete, as shown in Figure 1,
Blanking blind patch is opened, and concrete material carries out blanking by blanking hole and pours.
(2) when pushing tow flange not cutting elongated groove hole, outside flexibility in the case where modular invariance, in fixed bed die and movable die block
Between increase adjustment block ductile iron pipe is increased.At this moment blanking blind patch is put down, and covers blanking blind patch, and concrete material passes through flexibility
The conical surface realization of external mold pours.In order to guarantee flexible external mold top positioning accuracy and circularity, increase two halves support ring.Two halves bearing
Ring is located at ductile iron pipe socket, is made of two halves, and inner ring is fixedly connected with ductile iron pipe socket, and outer ring is for ensuring to mold circularity.
(3) production that different length spheroidal graphite cast-iron push pipe may be implemented in such a way that bracing ring is superimposed, such as bracing ring height
Degree is respectively 200mm, 400mm, 800mm, 1600mm equal-specification, and the production of random length can be met by being superimposed.
(4) the utility model is easy to assembly, advantageously reduces labor intensity.It is arranged in pairs or groups by the superposition of bracing ring, Ke Yishi
The production of existing different length spheroidal graphite cast-iron push pipe external wrapping concrete.
The spheroidal graphite cast-iron push pipe of the utility model is described further with tooling is poured combined with specific embodiments below.
Detailed description of the invention
Fig. 1 is the push pipe production structural schematic diagram of pushing tow flange aperture in the utility model；
Fig. 2 is the push pipe production structural schematic diagram of pushing tow flange not aperture in the utility model；
Fig. 3 is the push pipe different length production structural schematic diagram of pushing tow flange aperture in the utility model；
Fig. 4 is the push pipe different length production structural schematic diagram of pushing tow flange not aperture in the utility model；
Fig. 5 is I enlarged drawing of part in Fig. 1；
Fig. 6 is II enlarged drawing of part in Fig. 2；
Fig. 7 is aperture feed cone main view；
Fig. 8 is aperture feed cone top view.
Wherein, 1. aperture feed cone；11. top；12. the blanking conical surface；13. Anti-splashing backplate；14. positioning cylinder；15. positioning
End face；16. cutting plate；17. blanking hole；18. blanking blind patch；2. spheroidal graphite cast-iron push pipe；21. spheroidal graphite cast-iron push pipe socket；
22. spheroidal graphite cast-iron push pipe bellmouth；23. pushing tow flange；24. flange gusset；3. flexible external mold；4. movable die block；41. bearing circle
Ring；42. guiding surface；43. positioning cylindrical surface；44. end face seal slot；45. circumferential seal groove；5. fixed bed die；6. two halves branch
Carrier ring；7. adjustment block；8. bracing ring；9. end-face seal ring；10. radial direction seal ring.
Specific embodiment
As shown in Fig. 1,5,7,8, a kind of spheroidal graphite cast-iron push pipe is with tooling is poured, including the aperture being sequentially placed from top to bottom
Feed cone 1, flexible external mold 3, movable die block 4 and fixed bed die 5；Fixed 5 lower part of bed die is fixed with ground, top and movable die block
4 are fixedly connected, and upper outside installs flexible external mold 3；4 lower part of movable die block is fixedly connected with fixed bed die 5, and top is equipped with
Spheroidal graphite cast-iron push pipe 2.The spheroidal graphite cast-iron push pipe 2 is by spheroidal graphite cast-iron push pipe socket 21, spheroidal graphite cast-iron push pipe bellmouth 22, incremental launching method
Orchid 23, flange gusset 24 and pipe shaft composition.
The top of the movable die block 4 is equipped with guiding surface 42, bearing ring 41, positioning cylindrical surface 43, end face seal slot
44 are located at the inside of guiding surface 42 with circumferential seal groove 45, the bearing ring 41, and the lower section of the guiding surface 42 is fixed
The edge of circle of position cylinder 43, the outer upper surface of the movable die block 4 is equipped with end face seal slot 44, the end face seal slot 44
End face seal cushion rubber 9 is inside installed；The lateral surface of the movable die block 4 is equipped with circumferential seal groove 45, the circumferential direction seal groove 45
Radial seal cushion rubber 10 is inside installed, the lateral surface of the movable die block 4 is abutted together with flexible external mold 3；The dump bottom
The outer upper surface of mould 4 is abutted together with spheroidal graphite cast-iron push pipe bellmouth 22；The positioning cylindrical surface 43 is for guaranteeing that outsourcing is mixed
The concentricity of solidifying soil and spheroidal graphite cast-iron push pipe 2；3 lower part of the flexibility external mold is positioned by movable die block 4；The pushing tow flange 23
On be provided with hole for hoist；Aperture feed cone 1 by top 11, the blanking conical surface 12, Anti-splashing backplate 13, cutting plate 16, blanking hole 17 and
Blanking blind patch 18 forms, and top 11 lower end links together with the blanking conical surface 12, the lower part of the blanking conical surface 12
Outside is equipped with Anti-splashing backplate 13；Cutting plate 16 is equipped on the outside of the middle part of the blanking conical surface 12；The lower part of the blanking conical surface 12
Equipped with blanking hole 17；The lower section of the blanking hole 17 is equipped with blanking blind patch 18, the blanking blind patch 18 and the blanking conical surface 12
It links together；The inside of the blanking conical surface 12 is equipped with positioning cylinder 14；Aperture feed cone 1 passes through positioning cylinder 14 and positioning end
Face 15 is mounted on spheroidal graphite cast-iron push pipe socket 21.
Flexible 3 lower part of external mold is positioned by movable die block 4, by external mold folding realize external wrapping concrete fast demoulding and
Group mould, lower part is ensured to mold circularity by pushing tow flange 23 by movable die block 4 and top when healing up；2 lower part of spheroidal graphite cast-iron push pipe
It is mounted on movable die block 4, top is equipped with aperture feed cone 1, by spheroidal graphite cast-iron push pipe socket 21, spheroidal graphite cast-iron push pipe bellmouth
22,23 flange gusset 24 of pushing tow flange and pipe shaft form, and are provided with hole for hoist on pushing tow flange；It is fixed that aperture feed cone 1 passes through
Circle of position column 14 and positioning end face 15 are mounted on spheroidal graphite cast-iron push pipe socket 21, by top 11, the blanking conical surface 12, Anti-splashing backplate
13, cutting plate 16, blanking hole 17 and blanking blind patch 18 etc. form.Pushing tow flange 23 is provided with the long slot hole of casting concrete
When, as shown in Figure 1, blanking blind patch 18 is opened, concrete material carries out blanking by blanking hole 23 and pours.
When the not cutting elongated groove hole of pushing tow flange 23, as shown in Fig. 2, in the case where same flexible external mold 3, in fixed bed die
Increase adjustment block 7 between 5 and movable die block 4 to increase spheroidal graphite cast-iron push pipe 2.At this moment blanking blind patch 18 is put down, and covers blanking
Blind patch, the conical surface realization that concrete material passes through flexible external mold 3 pour.In order to guarantee flexible 3 top positioning accuracy of external mold and circle
Degree increases two halves support ring 6.Two halves support ring 6 is located at spheroidal graphite cast-iron push pipe socket 21, is made of two halves, inner ring and spheroidal graphite
Cast iron push pipe socket 21 is fixedly connected, and outer ring is for ensuring to mold circularity.
As shown in Figure 3,4, the production of different length spheroidal graphite cast-iron push pipe may be implemented in such a way that bracing ring is superimposed, such as
Bracing ring height is respectively 200mm, 400mm, 800mm, 1600mm equal-specification, and the life of random length can be met by being superimposed
It produces.
Its course of work is summarized as follows: when pushing tow flange is provided with long slot hole, gusset and pushing tow flange being first welded to ball
Black cast iron push pipe socket installs end face seal cushion rubber 9, radial seal cushion rubber 10, is put into flexible external mold 3 by special hanger
In, flexible external mold 3 molds, and spheroidal graphite cast-iron push pipe bellmouth 22 avoids bellmouth by end face seal cushion rubber 9, radial seal cushion rubber 10
Running pulp conserves with after-pouring and demoulds, enters pouring for next Zhi Guanzi.
When pushing tow flange not cutting elongated groove hole, the flange gusset for having hole for hoist and pushing tow flange are first welded to spheroidal graphite casting
Two halves support ring 6 is mounted on spheroidal graphite cast-iron push pipe socket 21 by iron push pipe socket 21, and mounting and adjusting block 7 installs end face sealant
9, radial seal cushion rubber 10 are enclosed, are put into flexible external mold 3 by special hanger, flexible external mold 3 molds, spheroidal graphite cast-iron push pipe bellmouth
12 avoid bellmouth running pulp by end face seal cushion rubber 9, radial seal cushion rubber 10, conserve and demould with after-pouring, remove two halves branch
Carrier ring 6.Enter pouring for next Zhi Guanzi.When making different length push pipe, it need to only increase the superposition of bracing ring, remaining step
Ibid, it can be completed.
The spheroidal graphite of flange aperture and not aperture is adapted to by the way of lengthening flexible external mold straight pipe+increase adjustment block
The production of cast iron push pipe；The uniform blanking of different location is realized using aperture feed cone；Different length spheroidal graphite cast-iron push pipe may be implemented
The production of concrete sheath.Fixed bed die lower part is fixed with ground, and top is fixedly connected with movable die block, and upper outside is equipped with
Flexible external mold；Movable die block lower part is fixedly connected with fixed bed die, and top is equipped with ductile iron pipe, and movable die block top has guiding oblique
Face, bearing ring, positioning cylindrical surface and seal groove, seal groove include end face seal, the face seal slot on cylindrical surface, positioning
Cylindrical surface may insure the concentricity of external wrapping concrete and ductile iron pipe；Flexible external mold lower part is positioned by movable die block, passes through external mold
Folding realize external wrapping concrete fast demoulding and group mould, lower part is true by pushing tow flange by movable die block and top when healing up
Protect molding circularity；Ductile iron pipe lower part is mounted on movable die block, and top is equipped with aperture feed cone, by ductile iron pipe socket, magnesium iron
Tube faucet, pushing tow flange, flange gusset and pipe shaft etc. form, and are provided with hole for hoist on pushing tow flange；Aperture feed cone passes through
Positioning cylinder and positioning end face be mounted on ductile iron pipe socket, by top, the blanking conical surface, Anti-splashing backplate, cutting plate, blanking hole with
And the composition such as blanking blind patch.When pushing tow flange is provided with the long slot hole of casting concrete, as shown in Figure 1, blanking blind patch is opened,
Concrete material carries out blanking by blanking hole and pours.
When pushing tow flange not cutting elongated groove hole, outside flexibility in the case where modular invariance, firm banking and movable die block it
Between increase adjustment block ductile iron pipe is increased.At this moment blanking blind patch is put down, and covers blanking blind patch, and concrete material passes through flexible outer
The conical surface realization of mould pours.In order to guarantee flexible external mold top positioning accuracy and circularity, increase two halves support ring.Two halves support ring
It positioned at ductile iron pipe socket, is made of two halves, inner ring is fixedly connected with ductile iron pipe socket, and outer ring is for ensuring to mold circularity.
The production that different length spheroidal graphite cast-iron push pipe may be implemented in such a way that bracing ring is superimposed, such as bracing ring height point
Not Wei 200mm, 400mm, 800mm, 1600mm equal-specification, the production of random length can be met by being superimposed.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (8)
1. a kind of spheroidal graphite cast-iron push pipe is with pouring tooling, it is characterised in that: including the aperture feed cone being sequentially placed from top to bottom
(1), flexible external mold (3), movable die block (4) and fixation bed die (5)；Fixed bed die (5) lower part is fixed with ground, top with
Movable die block (4) is fixedly connected, and flexible external mold (3) is installed on the outside of upper part；Movable die block (4) lower part and fixed bed die
(5) it is fixedly connected, top is equipped with spheroidal graphite cast-iron push pipe (2)；The spheroidal graphite cast-iron push pipe (2) is by spheroidal graphite cast-iron push pipe socket
(21), spheroidal graphite cast-iron push pipe bellmouth (22), pushing tow flange (23), flange gusset (24) and pipe shaft composition.
2. spheroidal graphite cast-iron push pipe according to claim 1 is with pouring tooling, it is characterised in that: the movable die block (4)
Top is equipped with guiding surface (42), bearing ring (41), positioning cylindrical surface (43), end face seal slot (44) and circumferential seal groove
(45), the bearing ring (41) is located at the inside of guiding surface (42), and the lower section of the guiding surface (42) is positioning cylinder
The edge in face (43), the outer upper surface of the movable die block (4) is equipped with end face seal slot (44), the end face seal slot (44)
End face seal cushion rubber (9) are inside installed；The lateral surface of the movable die block (4) is equipped with circumferential seal groove (45), and the circumferential direction is close
It is equipped with radial seal cushion rubber (10) in sealing groove (45), the lateral surface of the movable die block (4) and flexible external mold (3) are resisted against one
It rises；The outer upper surface of the movable die block (4) is abutted together with spheroidal graphite cast-iron push pipe bellmouth (22)；The positioning cylindrical surface
(43) for guaranteeing the concentricity of external wrapping concrete and spheroidal graphite cast-iron push pipe (2)；Described flexibility external mold (3) lower part is by movable die block
(4) it positions；Hole for hoist is provided on the pushing tow flange (23)；Aperture feed cone (1) is by top (11), the blanking conical surface (12), anti-
Backplate (13), cutting plate (16), blanking hole (17) and blanking blind patch (18) composition are splashed, the lower end of top (11) is under
The material conical surface (12) links together, and the lower outside of the blanking conical surface (12) is equipped with Anti-splashing backplate (13)；The blanking conical surface
(12) cutting plate (16) are equipped on the outside of middle part；The lower part of the blanking conical surface (12) is equipped with blanking hole (17)；The blanking hole
(17) lower section is equipped with blanking blind patch (18), and the blanking blind patch (18) links together with the blanking conical surface (12)；Blanking
The inside of the conical surface (12) is equipped with positioning cylinder (14)；Aperture feed cone (1) passes through positioning cylinder (14) and positioning end face (15) peace
On spheroidal graphite cast-iron push pipe socket (21).
3. spheroidal graphite cast-iron push pipe according to claim 2 is with pouring tooling, it is characterised in that: pass through flexible external mold (3)
Open and close the fast demoulding that external wrapping concrete can be achieved and group mould；When healing up, lower part is by movable die block (4), top by pushing tow flange
(23) ensure to mold circularity.
4. spheroidal graphite cast-iron push pipe according to claim 3 is with pouring tooling, it is characterised in that: when pushing tow flange (23) is provided with
When the long slot hole of casting concrete, blanking blind patch (18) is opened, and concrete material carries out blanking by blanking hole (17) and pours.
5. spheroidal graphite cast-iron push pipe according to claim 1 to 4 is with pouring tooling, it is characterised in that: further include adjustment block
(7)；When pushing tow flange (23) not cutting elongated groove hole and when for same flexible external mold (3), in fixed bed die (5) and movable die block (4)
Between increase adjustment block (7) spheroidal graphite cast-iron push pipe (2) is increased；Blanking blind patch (18) is put down, and covers blanking blind patch, coagulation
The conical surface realization that earth material passes through flexible external mold (3) pours.
6. spheroidal graphite cast-iron push pipe according to claim 5 is with pouring tooling, it is characterised in that: further include two halves support ring
(6), it is located at spheroidal graphite cast-iron push pipe socket (21), inner ring is fixedly connected with spheroidal graphite cast-iron push pipe socket (21), and outer ring is used for
Ensure to mold circularity.
7. spheroidal graphite cast-iron push pipe according to claim 6 is with pouring tooling, it is characterised in that: further include bracing ring (8), institute
The quantity for stating bracing ring (8) is at least one, and can be superimposed, the production for different length spheroidal graphite cast-iron push pipe.
8. spheroidal graphite cast-iron push pipe according to claim 7 is with pouring tooling, it is characterised in that: the height of the bracing ring (8)
Degree is 200mm~1600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172364.8U CN208681820U (en) | 2018-07-23 | 2018-07-23 | A kind of spheroidal graphite cast-iron push pipe is with pouring tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821172364.8U CN208681820U (en) | 2018-07-23 | 2018-07-23 | A kind of spheroidal graphite cast-iron push pipe is with pouring tooling |
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| Publication Number | Publication Date |
|---|---|
| CN208681820U true CN208681820U (en) | 2019-04-02 |
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ID=65881791
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821172364.8U Active CN208681820U (en) | 2018-07-23 | 2018-07-23 | A kind of spheroidal graphite cast-iron push pipe is with pouring tooling |
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| Country | Link |
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| CN (1) | CN208681820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638317A (en) * | 2018-07-23 | 2018-10-12 | 新兴铸管股份有限公司 | A kind of spheroidal graphite cast-iron push pipe is with pouring tooling and its working method |
-
2018
- 2018-07-23 CN CN201821172364.8U patent/CN208681820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638317A (en) * | 2018-07-23 | 2018-10-12 | 新兴铸管股份有限公司 | A kind of spheroidal graphite cast-iron push pipe is with pouring tooling and its working method |
| CN108638317B (en) * | 2018-07-23 | 2023-09-12 | 新兴铸管股份有限公司 | Casting tool for spheroidal graphite cast iron jacking pipe and working method thereof |
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