CN102416667A - Production method of socket and spigot joint reinforcement concrete pipe - Google Patents
Production method of socket and spigot joint reinforcement concrete pipe Download PDFInfo
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- CN102416667A CN102416667A CN201110235363XA CN201110235363A CN102416667A CN 102416667 A CN102416667 A CN 102416667A CN 201110235363X A CN201110235363X A CN 201110235363XA CN 201110235363 A CN201110235363 A CN 201110235363A CN 102416667 A CN102416667 A CN 102416667A
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Abstract
The invention relates to a concrete pipe joint die, in particular to a production method of a socket and spigot joint reinforcement concrete pipe, which comprises the following steps that: (a) a bottom die is placed on the ground and is leveled up, and the height of a support bracket body is adjusted based on the length of a reinforcement concrete pipe to be poured; (b) the support bracket body is coaxially installed on the bottom die, and a location support is coaxially installed on the support bracket body; (c) a steel lantern ring of an socket end is sleeved at the location support, and then a seal rubber strip is respectively arranged at the inner and the outer sides of the upper edge of the location support; (d) a lower die is installed on the flange plate of the bottom die, and then a middle die is installed on the flange plate of the lower die; and (e) an upper die is installed on the middle die, then an inner die is installed, and a concrete structure is poured. The invention has the advantages that: the height of the location support can be adjusted through adjusting the support bracket body, and furthermore, the length of the poured reinforcement concrete pipe is adjusted; and a cylinder on the location support restrains the shape of the bottom of the steel lantern ring of the female end, so the forming precision of the steel lantern ring is ensured.
Description
Technical field
The present invention relates to a kind of pipe of concrete joint mould, be specifically related to a kind of manufacturing approach of spigot-and-socket reinforced concrete pipe.
Background technology
It is comparatively extensive that concrete plug is used for pipe jacking method; Generally be applied under the specific geographical environmental condition as the operation that is difficult to slot, region that construction environment is had relatively high expectations, can not be caused surface subsidence, as: the underground construction of buildings or structures such as railway, highway below.Present pipe jacking method mainly being configured to: setting-in steel reinforcement cage frame in the concrete tube wall with reinforced concrete pipe; This reinforcing bar cage is assembled through cableway by two coaxial cylindrical reinforcement frames; Concrete tube wall one end installs steel collar as bellmouth; Its other end concrete tube wall outside fluting is as socket, and the sealing of flexible material waterstop is then adopted in two joint pipe of concrete junctions.Usually the mould structure that adopts when existing spigot-and-socket reinforced concrete pipe is made is made up of external mold, internal mold and bed die.External mold is two semicircle moulds; Reinforced concrete pipe socket end sealing trough of belt is formed by the flange that is fixed on external mold inwall upper end; Close up two semicircle moulds with closing the bolt connection, promptly form reinforced concrete pipe outer wall shape, the advantage of this mould is simple in structure, easily manufactured and inexpensive.This kind pipe of concrete is mainly used in the draining field, generally uses pipe jacking method.Its defective mainly be hold, that the water reliability is closed in the socket junction is relatively poor.Especially along with the increase of spigot-and-socket reinforced concrete pipe bore in recent years, but waterstop ideal compression ratio regulation is constant, also promptly require to hold, the absolute error of socket is constant, this with regard to covert reduction the relative error that allows during tubulation.For example it is generally acknowledged that in the past the reinforced concrete pipe maximum gauge is 3M; Common reinforced concrete pipe diameter is about 2M; And the diameter of reinforced concrete pipe can reach 4-5M now; Suppose adopting under the situation of identical waterstop, the absolute error of permission in 2mm, obviously the reinforced concrete pipe accuracy of manufacture of diameter 4M, the situation that difficulty will be higher than diameter 2M far away.
Through control mould and die accuracy and adjusting mould structure, the required precision that can guarantee to produce in enormous quantities reinforced concrete pipe at present.But in design or construction, be subject to the ground condition, often except the reinforced concrete pipe of full-length, also need relatively short reinforced concrete pipe, with the turning that realizes pipeline etc.Because these need special reinforced concrete pipe quantity less, for its independent molding cost higher.And because the diversity of project situation, short tube length also has stationarity, more can't be every kind of independent molding of short tube.So need a kind ofly make the mould that nonstandard length and precision meet the demands.
Summary of the invention
The objective of the invention is weak point according to above-mentioned prior art; A kind of manufacturing approach of spigot-and-socket reinforced concrete pipe is provided; This method is through being provided with the circularity that Height Adjustable positioning support retrains the steel collar bottom in the bottom; Realize the requirement of flexible reinforced concrete pipe length, and satisfied the required precision of heavy caliber spigot-and-socket reinforced concrete pipe female end.
The object of the invention realizes being accomplished by following technical scheme:
A kind of manufacturing approach of spigot-and-socket reinforced concrete pipe is characterized in that this method has following steps:
(a) be positioned on the ground bed die and levelling, and based on reinforced concrete pipe length adjustment support frame as described above height degree to be cast;
(b) coaxial installation supporting frame on bed die, and on the support frame as described above body coaxial installing and locating bearing;
(c) the female end steel ring cap is loaded on said positioning support, afterwards in said positioning support upper limb on the arranged outside watertight rubber bar;
(d) on the ring flange of said bed die, counterdie is installed, mould on the ring flange of said counterdie, installing afterwards;
(e) patrix is installed on the mould in said, internal mold and cast concrete structure are installed afterwards.
Steel collar is sleeved on the said positioning support and specifically refers in the above-mentioned steps (c): said positioning support roughly is cylindrical shape; Its upper end is inwardly shunk and is the Rotary-table shape; Its lower outside is provided with the limited block of horizontal projection; Said steel collar cover is packed into behind the said positioning support and the said limited block of conflicting, and forms interference fits with the positioning support cylinder part.
The support frame as described above body is made up of top structure, polycrystalline substance and some steel rings; Said top structure and polycrystalline substance are connected to the some steel pipes compositions on this steel loop by a steel loop and vertical welding; The steel loop of said top structure and said positioning support bottom are fixing, and the steel loop of said polycrystalline substance and said bed die upper end are fixing; Some steel pipes on said top structure and the polycrystalline substance constitute the incline of the regular prism shape structure that the limit number is identical, the length of side equates, and on the said top structure outside the steel pipe footpath less than footpath within the steel pipe on the said polycrystalline substance; It is three kinds of 1:2:5 that described some steel rings are divided into aspect ratio, and within the said steel ring on footpath and the said polycrystalline substance pipe diameter identical; When on the steel pipe of selecting different steel ring suits and said top structure, the height of support frame as described above body is determined by the steel pipe height of said polycrystalline substance and selected steel ring kind and quantity, to realize its adjustable height.
Said positioning support bottom is provided with circle shape groove, and said bed die top is provided with circle shape groove, is used for fixing with support frame as described above body top structure, polycrystalline substance.
The support frame as described above body is made up of top structure and polycrystalline substance; Said top structure and polycrystalline substance are connected to the some steel pipes compositions on this steel loop by a steel loop and vertical welding; The steel loop of said top structure and said positioning support bottom are fixing, and the steel loop of said polycrystalline substance and said bed die upper end are fixing; Some steel pipes on said top structure and the polycrystalline substance constitute the incline of the regular prism shape structure that the limit number is identical, the length of side equates; And on the said top structure on steel pipe and the said polycrystalline substance steel pipe all have some equally spaced locating holes, steel pipe socket and fix on steel pipe and the said polycrystalline substance on the said top structure through the steel latch.
Advantage of the present invention is: can regulate the positioning support height through the adjustable support support body, and then regulate the reinforced concrete pipe pipe range of cast; Retrain the shape of female end steel collar bottom through the cylinder on the positioning support, guaranteed the formed precision of steel collar.
Description of drawings
Fig. 1 is a reinforced concrete pipe mold integral structural representation of the present invention;
Fig. 2 is structure bed die of the present invention and positioning support part-structure sketch map I;
Fig. 3 is structure bed die of the present invention and positioning support part-structure sketch map II.
The specific embodiment
Through embodiment characteristic of the present invention and other correlated characteristic are done further explain below in conjunction with accompanying drawing, so that technical staff's of the same trade understanding:
, always represent respectively to shown in Figure 3 like Fig. 1: bed die 1, top structure 2, polycrystalline substance 3, positioning support 4, middle mould 5, internal mold 6, patrix 7, steel collar 8, cylinder part 9, round platform body 10, I-steel 11, annular groove 12, annular groove 13, only starch rubber strip 14, steel ring 15, steel loop 16, steel pipe 17, steel loop 18, steel pipe 19, locating hole 20, steel latch 21, ring flange 22, counterdie 23 with reference to label 1-23.
Referring to shown in Figure 1; The reinforced concrete pipe mould is mainly constituted by bed die 1, positioning support 4, counterdie 23, middle mould 5, patrix 7 and internal mold 6 among the present invention; Wherein patrix 7 is the casting mold of socket end outer surface; Middle mould 5 is the casting mold of reinforced concrete pipe pipe shaft outer surface, positioning support 4, counterdie 23, the middle mould 5 common casting molds that constitute the female end outer surfaces, and 6 of internal molds are the casting mold of reinforced concrete pipe inner surface.Above-mentioned bed die 1, counterdie 23, middle mould 5, patrix 7 is coaxial from the bottom to top fixes, in coaxial internal mold 6 and the positioning support 4 of being provided with wherein.
Bed die 1 is roughly to be toroidal, and its lower end is horizontally disposed with on the ground through I-steel 11, can be through thing bed hedgehopping levellings such as chocks during out-of-flatness on ground.Bed die 1 upside is coaxially installed with counterdie 23, middle mould 5, internal mold 6 and positioning support 4.Below for the structure of bed die 1 and middle mould 5 and positioning support 4 and between connected mode be described in detail:
One, positioning support 4 and with the syndeton of bed die 1
Referring to Fig. 1-3, positioning support 4 is used for plug-in mounting female end steel collar 8, and these positioning support 4 external forms roughly are cylindrical shape, is divided into cylinder part 9 and 10 two parts of round platform body.Be noted that this cylinder part 9 and round platform body 10 real being structure as a whole, just for convenience positioning support 4 be divided into two parts among this paper, rather than structural two parts.Wherein cylinder part 9 forms interference fits to retrain its shape with steel collar 8, and cylinder part 9 tops are inwardly shunk and are cone shape, form round platform body 10, and the purpose that round platform body 10 is set is for the ease of steel collar 8 plug-in mountings.The coaxial cylindrical shape cavity that offers is used for the said internal mold 6 of suit in the positioning support 4.Positioning support 4 lower outside are provided with the limited block 23 of horizontal projection, when steel collar 8 is set in 4 last times of positioning support, when conflict limited block 23 can think that female end steel collar 8 positions put in place.
The upper surface of positioning support 4 defines the end face of reinforced concrete pipe female end xoncrete structure when cast; So; For avoiding the concrete grout seepage; The outer rim of positioning support 4 upper ends and inner edge (it is an annulus that positioning support 4 is overlooked, and outer rim and inner edge be the great circle of annulus and roundlet for this reason both) offer step, are used for installing and only starch rubber strip 14.When cast, the rubber strip 14 of only starching that is provided with on the outer rim step contacts with steel collar 8, and the rubber strip 14 of only starching that is provided with on the inner edge step contacts with internal mold 6, prevents that cement mortar from infiltrating along the slit.
The purpose that positioning support 4 is provided with is in order through cylinder part 9 steel collar 8 to be held round to limit its deformation; Structure by reinforced concrete pipe can be known; What steel collar 8 contacted with cylinder part 9 is its end; Also be and the part of socket end in contact, its circularity plays crucial effects for the sealing property of spigot-and-socket reinforced concrete pipe.
Can be known by Fig. 2, be the positioning and fixing that realizes adjustable height through supporting frame between bed die 1 and the positioning support 4.Wherein supporting frame is made up of top structure 2 and polycrystalline substance 3, and top structure 2 is made up of some steel pipes 17 that a steel loop 16 and vertical welding are connected on this steel loop 16, and polycrystalline substance 3 is made up of some steel pipes 19 that a steel loop 18 and vertical welding are connected on this steel loop 18.Corresponding, bed die 1 upper end offers an annular groove 12, and positioning support 4 lower ends offer in the annular groove 13, and the inside/outside diameter size of steel loop 16 is identical on the interior external diameter of annular groove 13 and the top structure 2; The inside/outside diameter size of steel loop 18 is identical on the interior external diameter of annular groove 12 and the polycrystalline substance 3, and when supporting frame upper and lower side steel loop was placed in this annular groove 12,13, bed die 1 was coaxial linking together with positioning support 4.Fix for realizing adjustable height; Some steel pipes on top structure 2 and the polycrystalline substance 3 (17,19) constitute the incline of the regular prism shape structure that the limit number is identical, the length of side equates, and on the said top structure 2 outside the steel pipe 17 footpath less than footpath within the steel pipe 19 on the said polycrystalline substance 3.Adopt such structure, the steel pipe 17 on the top structure 2 can be plugged in steel pipe 19 on the polycrystalline substance 3, but and easy on and off activity.Only need fixing getting final product on the vertical direction between top structure 2 and the polycrystalline substance 3.
Referring to Fig. 2, wherein described is a kind of fixed structure, and it has adopted some steel rings 15.It is three kinds of 1:2:5 that steel ring 15 totally is divided into aspect ratio, highly is respectively 100mm, 200mm, 500mm, within the steel ring 15 on footpath and the said polycrystalline substance 3 steel pipe 19 internal diameters identical, its external diameter is identical with the external diameter of steel pipe 19.On the steel pipe 17 of selecting different steel ring 15 suits and said top structure 2, then with steel pipe 19 on the steel pipe 17 corresponding insertion polycrystalline substances 3 of said top structure 2.The height of supporting frame is by steel pipe 19 height and selected steel ring 15 kinds and the quantity decision of polycrystalline substance 3, to realize its adjustable height.And above-mentioned steel ring 15 aspect ratio 1:2:5 can freely form the height of any 1 integral multiple thus.
Referring to Fig. 3; Wherein described is another kind of fixed structure; Wherein on the top structure 2 on steel pipe 17 and the polycrystalline substance 3 steel pipe 19 all have some equally spaced locating holes 20; Go on the polycrystalline substance 3 behind the steel pipe 19 when steel pipe 17 plug-in mountings on the top structure 2, regulate top structure 2 height, and it is spacing with both to insert locating holes 20 through steel latch 21.
Two, counterdie 23, middle mould 5 and with the syndeton of bed die 1
Counterdie 23 roughly is cylinder type and has the cavity of a cylindrical shape; This cylindrical shape cavity is used to be set with steel collar 8 and positioning support 4; The upper end level of counterdie 23 stretches out and is useful on and middle mould 5 co-axially fixed ring flanges; The ring flange outer rim is evenly distributed with some bolts that close, and is used for fixing with the coaxial of mould 5.The ring flange upside radially is provided with the raised item of two symmetries, and this raised item is used for limiting the amalgamation position of two half modules that constitute said mould 5, and the inferior horn of simultaneously above-mentioned half module in its end also should exist and the breach of this raised item 19 coupling correspondences.The lower end level of counterdie 23 is outward extended with collar flange, and vertical welding is connected to plurality of strengthening ribs between said ring flange and said flange, and the outer surface welding of reinforcement and counterdie 23 is to strengthen the rigidity of counterdie 23.
Spillage when avoiding pouring into a mould also is provided with between counterdie 23 and the middle mould 5 and only starches rubber strip.Counterdie 23 ring flanges upper end is provided with the coaxial groove that is nested of two rings; And in installation, be provided with respectively during mould 5 and only starch rubber strip; Wherein the rubber strip of only starching of inner ring mainly plays the effect that ends slurry; The outer ring only starch the effect that rubber strip then plays balance support, when preventing in installation mould 5, the situation of inclination appear in two half modules.
In conjunction with said structure, moulding flow process of the present invention is following:
Be positioned on the ground bed die 1 and levelling;
Based on reinforced concrete pipe length adjustment support frame as described above height degree to be cast; The mode of regulating can adopt the mode of steel ring 15 bed hedgehoppings, the mode that also can adopt steel latch 22 to fix;
Coaxial installation supporting frame on bed die 1, and on the support frame as described above body coaxial installing and locating bearing 4;
Afterwards female end steel loop 8 is set in said positioning support, arranged outside watertight rubber bar 14 in said positioning support 4 upper limbs;
Counterdie 23 is installed on the ring flange of said bed die 22;
Patrix 7 is installed on the mould 5 in said, internal mold 6 and cast concrete structure are installed afterwards.
Claims (5)
1. the manufacturing approach of a spigot-and-socket reinforced concrete pipe is characterized in that this method has following steps:
(a) be positioned on the ground bed die and levelling, and based on reinforced concrete pipe length adjustment support frame as described above height degree to be cast;
(b) coaxial installation supporting frame on bed die, and on the support frame as described above body coaxial installing and locating bearing;
(c) the female end steel ring cap is loaded on said positioning support, afterwards in said positioning support upper limb on the arranged outside watertight rubber bar;
(d) on the ring flange of said bed die, counterdie is installed, mould on the ring flange of said counterdie, installing afterwards;
(e) patrix is installed on the mould in said, internal mold and cast concrete structure are installed afterwards.
2. the manufacturing approach of a kind of spigot-and-socket reinforced concrete pipe as claimed in claim 1; It is characterized in that steel collar is sleeved on the said positioning support in the step (c) specifically refers to: said positioning support roughly is cylindrical shape; Its upper end is inwardly shunk and is the Rotary-table shape; Its lower outside is provided with the limited block of horizontal projection, and said steel collar cover is packed into behind the said positioning support and the said limited block of conflicting, and forms interference fits with the positioning support cylinder part.
3. the manufacturing approach of a kind of spigot-and-socket reinforced concrete pipe as claimed in claim 1; It is characterized in that: the support frame as described above body is made up of top structure, polycrystalline substance and some steel rings; Said top structure and polycrystalline substance are connected to the some steel pipes compositions on this steel loop by a steel loop and vertical welding; The steel loop of said top structure and said positioning support bottom are fixing, and the steel loop of said polycrystalline substance and said bed die upper end are fixing; Some steel pipes on said top structure and the polycrystalline substance constitute the incline of the regular prism shape structure that the limit number is identical, the length of side equates, and on the said top structure outside the steel pipe footpath less than footpath within the steel pipe on the said polycrystalline substance; It is three kinds of 1:2:5 that described some steel rings are divided into aspect ratio, and within the said steel ring on footpath and the said polycrystalline substance pipe diameter identical; When on the steel pipe of selecting different steel ring suits and said top structure, the height of support frame as described above body is determined by the steel pipe height of said polycrystalline substance and selected steel ring kind and quantity, to realize its adjustable height.
4. the manufacturing approach of a kind of spigot-and-socket reinforced concrete pipe as claimed in claim 2; It is characterized in that: said positioning support bottom is provided with circle shape groove; Said bed die top is provided with circle shape groove, is used for fixing with support frame as described above body top structure, polycrystalline substance.
5. the manufacturing approach of a kind of spigot-and-socket reinforced concrete pipe as claimed in claim 1; It is characterized in that: the support frame as described above body is made up of top structure and polycrystalline substance; Said top structure and polycrystalline substance are connected to the some steel pipes compositions on this steel loop by a steel loop and vertical welding; The steel loop of said top structure and said positioning support bottom are fixing, and the steel loop of said polycrystalline substance and said bed die upper end are fixing; Some steel pipes on said top structure and the polycrystalline substance constitute the incline of the regular prism shape structure that the limit number is identical, the length of side equates; And on the said top structure on steel pipe and the said polycrystalline substance steel pipe all have some equally spaced locating holes, steel pipe socket and fix on steel pipe and the said polycrystalline substance on the said top structure through the steel latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110235363.XA CN102416667B (en) | 2011-08-17 | 2011-08-17 | Production method of socket and spigot joint reinforcement concrete pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110235363.XA CN102416667B (en) | 2011-08-17 | 2011-08-17 | Production method of socket and spigot joint reinforcement concrete pipe |
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| Publication Number | Publication Date |
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| CN102416667A true CN102416667A (en) | 2012-04-18 |
| CN102416667B CN102416667B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110235363.XA Active CN102416667B (en) | 2011-08-17 | 2011-08-17 | Production method of socket and spigot joint reinforcement concrete pipe |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371623A (en) * | 2011-08-17 | 2012-03-14 | 上海市第二市政工程有限公司 | Spigot and socket type reinforced concrete pipe mould structure with adjustable pipe length |
| CN110307397A (en) * | 2019-06-30 | 2019-10-08 | 湖北中南管道有限公司 | A kind of process of DRCP type push pipe regulation pipe |
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| SU944940A2 (en) * | 1980-11-25 | 1982-07-23 | Всесоюзный Государственный Проектный Институт По Строительному Машиностроению Для Сборного Железобетона "Гипростроммаш" | Form for producing tubular articles |
| DE3041757A1 (en) * | 1980-11-05 | 1982-10-21 | Maschinenfabrik Ettlingen Friedrich Pfeiffer Kg, 7505 Ettlingen | Concrete pipe reinforcing cage centring mechanism - has semicircular jaws on cross-member above mould movable outwards |
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| CN102120342A (en) * | 2010-12-30 | 2011-07-13 | 上海市第二市政工程有限公司 | Die for male end of heavy caliber socket reinforced concrete pipe |
| CN102120341A (en) * | 2010-12-30 | 2011-07-13 | 上海市第二市政工程有限公司 | Mould for socket end of large-diameter socket and spigot type reinforcement concrete pipe |
| CN102120339A (en) * | 2010-12-30 | 2011-07-13 | 上海市第二市政工程有限公司 | Method for moulding female end of heavy caliber socket reinforced concrete pipe |
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2011
- 2011-08-17 CN CN201110235363.XA patent/CN102416667B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3041757A1 (en) * | 1980-11-05 | 1982-10-21 | Maschinenfabrik Ettlingen Friedrich Pfeiffer Kg, 7505 Ettlingen | Concrete pipe reinforcing cage centring mechanism - has semicircular jaws on cross-member above mould movable outwards |
| SU944940A2 (en) * | 1980-11-25 | 1982-07-23 | Всесоюзный Государственный Проектный Институт По Строительному Машиностроению Для Сборного Железобетона "Гипростроммаш" | Form for producing tubular articles |
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| CN102120342A (en) * | 2010-12-30 | 2011-07-13 | 上海市第二市政工程有限公司 | Die for male end of heavy caliber socket reinforced concrete pipe |
| CN102120341A (en) * | 2010-12-30 | 2011-07-13 | 上海市第二市政工程有限公司 | Mould for socket end of large-diameter socket and spigot type reinforcement concrete pipe |
| CN102120339A (en) * | 2010-12-30 | 2011-07-13 | 上海市第二市政工程有限公司 | Method for moulding female end of heavy caliber socket reinforced concrete pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371623A (en) * | 2011-08-17 | 2012-03-14 | 上海市第二市政工程有限公司 | Spigot and socket type reinforced concrete pipe mould structure with adjustable pipe length |
| CN110307397A (en) * | 2019-06-30 | 2019-10-08 | 湖北中南管道有限公司 | A kind of process of DRCP type push pipe regulation pipe |
| CN110307397B (en) * | 2019-06-30 | 2021-07-27 | 湖北中南管道有限公司 | Technological method of DRCP (Dry DrCP) type pipe jacking adjusting pipe |
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| CN102416667B (en) | 2014-07-30 |
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