CN108638317A - A kind of spheroidal graphite cast-iron push pipe is with pouring tooling and its working method - Google Patents
A kind of spheroidal graphite cast-iron push pipe is with pouring tooling and its working method Download PDFInfo
- Publication number
- CN108638317A CN108638317A CN201810808900.7A CN201810808900A CN108638317A CN 108638317 A CN108638317 A CN 108638317A CN 201810808900 A CN201810808900 A CN 201810808900A CN 108638317 A CN108638317 A CN 108638317A
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- China
- Prior art keywords
- spheroidal graphite
- graphite cast
- push pipe
- iron push
- blanking
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
- B28B19/0038—Machines or methods for applying the material to surfaces to form a permanent layer thereon lining the outer wall of hollow objects, e.g. pipes
Abstract
The invention discloses a kind of spheroidal graphite cast-iron push pipes with pouring tooling and its working method, including trepanning 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 present invention is easy to assembly, advantageously reduces labor intensity.It is arranged in pairs or groups by the superposition of bracing ring, the making of different length spheroidal graphite cast-iron push pipe external wrapping concrete may be implemented；Flange cutting elongated groove hole can be met and cutting elongated groove hole does not pour.
Description
Technical field
The present invention relates to what pipe external wrapping concrete made to pour tooling technical field, being suitable for ball more particularly to one kind
What black cast iron push pipe made pours tooling.
Background technology
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
Push pipe (a kind of no pipe trench laying technology) is constructed.
Chinese invention patent CN201610521066.4《A kind of propulsion pipe outer wall grouting equipment and its application method》With in
State patent of invention CN201610978969.5《Nodular iron cast pipe outsourcing cement mortar punching block》Both provide a kind of making spheroidal graphite cast-iron
The tooling of push pipe, casting position are respectively positioned on the lower part of pushing tow flange, can not take into account Chinese invention patent
CN201720183064.9《The grouting hanging apparatus of spheroidal graphite cast-iron push pipe》In the spheroidal graphite cast-iron push pipe (band on pushing tow flange mentioned
Have long slot bore 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.
Invention content
The technical problem to be solved in the present invention is to provide a kind of spheroidal graphite cast-iron push pipes with pouring tooling and its working method, it
It is easy to assembly, the production of the spheroidal graphite cast-iron push pipe product of flange trepanning and not trepanning and the life of different lengths product can be met
Production, while avoiding 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 trepanning 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 of the present invention is with pouring tooling, wherein the top of the movable die block be equipped be oriented to it is oblique
Face, bearing ring, positioning cylindrical surface, end face seal slot and circumferential seal groove, the bearing ring are located at the inside of guiding surface,
The lower section of the guiding surface is positioning cylindrical surface, and the edge of the outer upper surface of the movable die block is equipped with end face seal slot,
End face seal cushion rubber is installed in the end face seal slot；The lateral surface of the movable die block is equipped with circumferential seal groove, the ring
Radial seal cushion rubber is installed into seal groove, the lateral surface of the movable die block is abutted together with flexible external mold；The work
The outer upper surface of dynamic bed die is abutted together with spheroidal graphite cast-iron push pipe bellmouth；The positioning cylindrical surface is for ensureing outsourcing coagulation
The concentricity of soil and spheroidal graphite cast-iron push pipe；The flexibility external mold lower part is positioned by movable die block；It is provided with and hangs on the pushing tow flange
Fill hole；Trepanning feed cone is made of top, the blanking conical surface, Anti-splashing backplate, cutting plate, blanking hole and blanking blind patch, described
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；The feed cone
Cutting plate is equipped on the outside of the middle part in face；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 blanking conical surface is internally provided with positioning cylinder；Trepanning blanking
Cone is mounted on by positioning cylinder and positioning end face on ductile iron pipe socket.
Spheroidal graphite cast-iron push pipe of the present invention is with pouring tooling, wherein outsourcing can be achieved in the folding for passing through flexible external mold
The fast demoulding and group mould of 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 of the present invention is with pouring tooling, wherein when pushing tow flange is provided with the length of casting concrete
When slot, blanking cover board is opened, and concrete material carries out blanking by blanking hole and pours.
Spheroidal graphite cast-iron push pipe of the present invention is with pouring tooling, wherein further includes adjustment block；When pushing tow flange does not open length
Slot and for same flexible external mold when, between firm banking and movable die block increasing adjustment block increases spheroidal graphite cast-iron push pipe；
Blanking blind patch is put down, and covers blanking blind patch, and concrete material is poured by the conical surface realization of flexible external mold.
Spheroidal graphite cast-iron push pipe of the present invention is with pouring tooling, wherein further includes two halves support ring, is located at spheroidal graphite and casts
Iron push pipe socket, inner ring are fixedly connected with spheroidal graphite cast-iron push pipe socket, and outer ring molds circularity for ensuring.
Spheroidal graphite cast-iron push pipe of the present invention is with pouring tooling, wherein and further include bracing ring, the quantity of the bracing ring
It to be at least one, and can be superimposed, be used for the production of different length spheroidal graphite cast-iron push pipe
Spheroidal graphite cast-iron push pipe of the present invention is with pouring tooling, wherein the height of the bracing ring be 200mm~
1600mm。
Any spheroidal graphite cast-iron push pipe working method for pouring tooling of the present invention, when pushing tow flange is provided with long slot bore
When, gusset and pushing tow flange are first welded to spheroidal graphite cast-iron push pipe socket, install sealing rubber ring, is put by special hanger soft
Property external mold in, flexible external mold molding, spheroidal graphite cast-iron push pipe bellmouth avoids bellmouth running pulp by sealing rubber ring, is conserved with after-pouring
Demoulding, enters pouring for next Zhi Guanzi.
The spheroidal graphite cast-iron push pipe of the present invention working method for pouring tooling, when pushing tow flange not cutting elongated groove hole,
First by with hole for hoist flange gusset and pushing tow flange be welded to spheroidal graphite cast-iron push pipe socket, by two halves support ring be mounted on ball
Black cast iron push pipe socket, mounting and adjusting block are installed sealing rubber ring, are put into flexible external mold by suspender, flexible external mold molding, ball
Black cast iron push pipe bellmouth avoids bellmouth running pulp by sealing rubber ring, conserves and demoulds with after-pouring, removes two halves support ring；Into
To pouring for next Zhi Guanzi；
When making different length push pipe, it need to only increase the superposition of bracing ring, remaining step is same as above, you can complete.
Compared with the existing technology, protrusion effect of the invention is：
(1) present invention is adapted to flange trepanning and not by the way of flexibility external mold straight pipe+increase adjustment block using lengthening
The spheroidal graphite cast-iron push pipe of trepanning produces；The uniform blanking of different location is realized using trepanning feed cone；Different length ball may be implemented
The making of black cast iron push pipe concrete sheath.Fixed bed die lower part is fixed with ground, and top is fixedly connected with movable die block, top
Outside is installed by flexible external mold；Movable die block lower part is fixedly connected with fixed bed die, and top is equipped with ductile iron pipe, on movable die block
It includes end face seal that, which there are guiding surface, bearing ring, positioning cylindrical surface and seal groove, seal groove in portion, the anchor ring on cylindrical surface
Seal groove, positioning cylindrical surface may insure the concentricity of external wrapping concrete and ductile iron pipe；Determined by movable die block flexible external mold lower part
Position realizes the fast demoulding and group mould of external wrapping concrete by the folding of external mold, and lower part is by movable die block and top when healing up
Ensured to mold circularity by pushing tow flange；Ductile iron pipe lower part is mounted on movable die block, and top is equipped with trepanning feed cone, by magnesium iron
The compositions such as pipe socket, magnesium iron tube faucet, pushing tow flange, flange gusset and pipe shaft are provided with hole for hoist on pushing tow flange；Trepanning
Feed cone is mounted on by positioning cylinder and positioning end face on ductile iron pipe socket, by top, the blanking conical surface, Anti-splashing backplate, sub-material
The compositions such as plate, blanking hole and blanking blind patch.When pushing tow flange is provided with the long slot bore of casting concrete, as shown in Figure 1, blanking
Cover board 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 of modular invariance, in firm banking 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 ensure flexible external mold top positioning accuracy and circularity, increase two halves support ring.Two halves support
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 molds circularity for ensuring.
(3) production that different length spheroidal graphite cast-iron push pipe may be implemented by way of bracing ring superposition, such as bracing ring height
Degree is respectively 200mm, 400mm, 800mm, 1600mm equal-specification, and the production of random length can be met by superposition.
(4) present invention is easy to assembly, advantageously reduces labor intensity.It is arranged in pairs or groups, is may be implemented not by the superposition of bracing ring
With the making of length spheroidal graphite cast-iron push pipe external wrapping concrete.
With reference to specific embodiment to the spheroidal graphite cast-iron push pipe of the present invention with pouring tooling and its working method is made into one
Walk explanation.
Description of the drawings
Fig. 1 is that the push pipe of pushing tow flange trepanning in the present invention makes structural schematic diagram；
Fig. 2 is that the push pipe of pushing tow flange not trepanning in the present invention makes structural schematic diagram；
Fig. 3 is that the push pipe different length of pushing tow flange trepanning in the present invention makes structural schematic diagram；
Fig. 4 is that the push pipe different length of pushing tow flange not trepanning in the present invention makes structural schematic diagram；
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 trepanning feed cone front view；
Fig. 8 is trepanning feed cone vertical view.
Wherein, 1. trepanning 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 ring；
42. guiding surface；43. positioning cylindrical surface；44. end face seal slot；45. circumferential seal groove；5. fixing bed die；6. two halves support
Ring；7. adjustment block；8. bracing ring；9. end-face seal ring；10. radial direction seal ring.
Specific implementation mode
As shown in Fig. 1,5,7,8, a kind of spheroidal graphite cast-iron push pipe is with pouring tooling, including the trepanning being sequentially placed from top to bottom
Feed cone 1, flexible external mold 3, movable die block 4 and fixed bed die 5；5 lower part of fixed 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
Circle of position cylinder 43, the edge of the outer upper surface of the movable die block 4 are equipped with end face seal slot 44, in the end face seal slot 44
End face seal cushion rubber 9 is installed；The lateral surface of the movable die block 4 is equipped with circumferential seal groove 45, in the circumferential direction seal groove 45
Radial seal cushion rubber 10 is installed, the lateral surface of the movable die block 4 is abutted together with flexible external mold 3；The movable die block 4
Outer upper surface be abutted together with spheroidal graphite cast-iron push pipe bellmouth 22；The positioning cylindrical surface 43 is for ensureing external wrapping concrete
With the concentricity of spheroidal graphite cast-iron push pipe 2；3 lower part of the flexibility external mold is positioned by movable die block 4；It is provided on the pushing tow flange 23
Hole for hoist；Trepanning feed cone 1 is by top 11, the blanking conical surface 12, Anti-splashing backplate 13, cutting plate 16, blanking hole 17 and blanking hole
Cover board 18 forms, and top 11 lower end links together with the blanking conical surface 12, and the lower outside of the blanking conical surface 12 is set
There is 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 is equipped with down
Expect hole 17；The lower section of the blanking hole 17 is equipped with blanking blind patch 18, and the blanking blind patch 18 is connected to the blanking conical surface 12
Together；The blanking conical surface 12 is internally provided with positioning cylinder 14；Trepanning feed cone 1 is installed by positioning cylinder 14 and positioning end face 15
On ductile iron pipe socket 21.
3 lower part of flexible 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
On movable die block 4, top is equipped with trepanning 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 hole for hoist is provided on pushing tow flange；It is fixed that trepanning 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, the compositions such as cutting plate 16, blanking hole 17 and blanking blind patch 18.Pushing tow flange 23 is provided with the long slot bore of casting concrete
When, as shown in Figure 1, blanking cover board 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 of same flexible external mold 3, in firm banking
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, concrete material are poured by the conical surface realization of flexible external mold 3.In order to ensure 3 top positioning accuracy of flexible 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 11 is fixedly connected, and outer ring molds circularity for ensuring.
As shown in Figure 3,4, the production of different length spheroidal graphite cast-iron push pipe may be implemented by way of bracing ring superposition, such as
Bracing ring height is respectively 200mm, 400mm, 800mm, 1600mm equal-specification, and the life of random length can be met by superposition
Production.
Its course of work is summarized as follows：When pushing tow flange is provided with long slot bore, gusset and pushing tow flange are first welded to ball
Black cast iron push pipe socket, installs end face seal cushion rubber 9, radial seal cushion rubber 10, and flexible external mold 3 is put 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, first by with hole for hoist flange gusset and pushing tow flange be 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 fluid sealant
Circle 9, radial seal cushion rubber 10, are put by special hanger in flexible external mold 3, and 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, you can complete.
The spheroidal graphite of flange trepanning and not trepanning is adapted to by the way of lengthening flexible external mold straight pipe+increase adjustment block
Cast iron push pipe produces；The uniform blanking of different location is realized using trepanning feed cone；Different length spheroidal graphite cast-iron push pipe may be implemented
The making 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 trepanning feed cone, by ductile iron pipe socket, magnesium iron
The compositions such as tube faucet, pushing tow flange, flange gusset and pipe shaft are provided with hole for hoist on pushing tow flange；Trepanning feed cone passes through
Positioning cylinder and positioning end face be mounted on ductile iron pipe socket on, by top, the blanking conical surface, Anti-splashing backplate, cutting plate, blanking hole with
And the compositions such as blanking blind patch.When pushing tow flange is provided with the long slot bore of casting concrete, as shown in Figure 1, blanking cover board is opened, mix
Solidifying earth material carries out blanking by blanking hole and pours.
When pushing tow flange not cutting elongated groove hole, outside flexibility in the case of 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, concrete material by flexibility outside
The conical surface realization of mould pours.In order to ensure 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 molds circularity for ensuring.
The production that different length spheroidal graphite cast-iron push pipe may be implemented by way of bracing ring superposition, such as bracing ring height point
Not Wei 200mm, 400mm, 800mm, 1600mm equal-specification, the production of random length can be met by superposition.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention
It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of spheroidal graphite cast-iron push pipe is with pouring tooling, it is characterised in that：Including the trepanning feed cone being sequentially placed from top to bottom
(1), flexible external mold (3), movable die block (4) and fixed 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) is inside installed；The lateral surface of the movable die block (4) is equipped with circumferential seal groove (45), and the circumferential direction is close
Radial seal cushion rubber (10) is installed, the lateral surface of the movable die block (4) is resisted against one with flexible external mold (3) in sealing groove (45)
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) it is used to ensure 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；It is provided with hole for hoist on the pushing tow flange (23)；Trepanning 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) is 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 conical surface (12) is internally provided with positioning cylinder (14)；Trepanning feed cone (1) passes through positioning cylinder (14) and positioning end face (15) peace
On ductile iron 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)
The fast demoulding and group mould of external wrapping concrete can be achieved in folding；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 bore of casting concrete, blanking cover board (18) is opened, and concrete material carries out blanking by blanking hole (23) and pours.
5. according to any spheroidal graphite cast-iron push pipes of claim 1-4 with pouring tooling, it is characterised in that：It further include adjustment block
(7)；When pushing tow flange (23) not cutting elongated groove hole and for same flexible external mold (3) when, in firm banking (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
Earth material is poured by the conical surface realization of flexible external mold (3).
6. spheroidal graphite cast-iron push pipe according to claim 5 is with pouring tooling, it is characterised in that：It 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 (11), 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, and the production of different length spheroidal graphite cast-iron push pipe is used for.
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.
9. any spheroidal graphite cast-iron push pipe working methods for pouring tooling of claim 1-8, it is characterised in that：Work as pushing tow
When flange is provided with long slot bore, gusset and pushing tow flange are first welded to spheroidal graphite cast-iron push pipe socket, sealing rubber ring is installed, passes through
Special hanger is put into flexible external mold, and flexible external mold molding, spheroidal graphite cast-iron push pipe bellmouth avoids bellmouth by sealing rubber ring and runs
Slurry conserves with after-pouring and demoulds, enters pouring for next Zhi Guanzi.
10. the spheroidal graphite cast-iron push pipe according to claim 9 working method for pouring tooling, it is characterised in that：Work as pushing tow
Flange not cutting elongated groove hole when, first by with hole for hoist flange gusset and pushing tow flange be welded to spheroidal graphite cast-iron push pipe socket, will
Two halves support ring is mounted on spheroidal graphite cast-iron push pipe socket, and mounting and adjusting block installs sealing rubber ring, flexible external mold is put by suspender
In, flexible external mold molding, spheroidal graphite cast-iron push pipe bellmouth avoids bellmouth running pulp by sealing rubber ring, conserves and demoulds with after-pouring,
Remove two halves support ring；Enter pouring for next Zhi Guanzi；
When making different length push pipe, it need to only increase the superposition of bracing ring, remaining step is same as above, you can complete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808900.7A CN108638317B (en) | 2018-07-23 | 2018-07-23 | Casting tool for spheroidal graphite cast iron jacking pipe and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808900.7A CN108638317B (en) | 2018-07-23 | 2018-07-23 | Casting tool for spheroidal graphite cast iron jacking pipe and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108638317A true CN108638317A (en) | 2018-10-12 |
| CN108638317B CN108638317B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810808900.7A Active CN108638317B (en) | 2018-07-23 | 2018-07-23 | Casting tool for spheroidal graphite cast iron jacking pipe and working method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112792979A (en) * | 2020-12-30 | 2021-05-14 | 新兴铸管股份有限公司 | Pipe jacking pouring die |
| CN114833933A (en) * | 2022-03-29 | 2022-08-02 | 圣戈班管道系统有限公司 | Maintenance process for cement mortar lining of nodular cast iron pipe |
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| CN109624060A (en) * | 2018-12-07 | 2019-04-16 | 嘉善嘉诚混凝土制管有限公司 | A kind of concrete filling device |
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| CN112792979B (en) * | 2020-12-30 | 2022-03-04 | 新兴铸管股份有限公司 | Pipe jacking pouring die |
| CN114833933A (en) * | 2022-03-29 | 2022-08-02 | 圣戈班管道系统有限公司 | Maintenance process for cement mortar lining of nodular cast iron pipe |
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| CN108638317B (en) | 2023-09-12 |
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