CN102416667B - 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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- CN102416667B CN102416667B CN201110235363.XA CN201110235363A CN102416667B CN 102416667 B CN102416667 B CN 102416667B CN 201110235363 A CN201110235363 A CN 201110235363A CN 102416667 B CN102416667 B CN 102416667B
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- positioning support
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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 mold for concrete pipe joint, be specifically related to a kind of manufacture method of spigot-and-socket reinforced concrete pipe.
Background technology
Concrete plug is comparatively extensive for pipe jacking method, generally be applied in the region of slotting operation, construction environment is had relatively high expectations, can not be caused surface subsidence as being difficult under specific geographic environmental condition, as: the underground construction of the buildings or structures belows such as railway, highway.Current pipe jacking method being mainly configured to reinforced concrete pipe: setting-in steel reinforcement cage frame in concrete tube wall, this reinforcing bar cage is assembled by cableway by two coaxial cylindrical reinforcement frames, concrete tube wall one end is fixedly mounted with steel collar as bellmouth, its other end concrete tube wall outside fluting is as socket, and two joint pipe of concrete junctions adopt the sealing of flexible material waterstop.Conventionally the mould structure adopting when existing spigot-and-socket reinforced concrete pipe is made consists 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, with closing bolt connection, close up two semicircle moulds, form reinforced concrete pipe outer wall shape, the advantage of this mould is simple in structure, easily manufactured and low cost.This kind of pipe of concrete is mainly used in draining field, generally uses pipe jacking method.Its defect be mainly hold, that water reliability is closed in socket junction is 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 require to hold, the absolute error of socket is constant, this with regard to covert reduction the relative error allowing during tubulation.For example it is generally acknowledged that in the past reinforced concrete pipe maximum gauge is 3M, common reinforced concrete pipe diameter is in 2M left and right, and the diameter of reinforced concrete pipe can reach 4-5M now, suppose in the situation that adopting identical waterstop, the absolute error allowing in 2mm, obviously the reinforced concrete pipe accuracy of manufacture of diameter 4M, difficulty will be far away higher than the situation of diameter 2M.
By controlling mould and die accuracy and regulating mould structure, the required precision that can guarantee to produce in enormous quantities at present reinforced concrete pipe.But in design or construction, be limited to ground condition, often, except the reinforced concrete pipe of full-length, also need relatively short reinforced concrete pipe, to realize the turning etc. of pipeline.Because these need special reinforced concrete pipe quantity less, for its independent molding cost higher.And due to the diversity of project situation, short tube length also has stationarity, cannot be more every kind of independent molding of short tube.So need to a kind ofly make the mould that nonstandard length and precision meet the demands.
Summary of the invention
The object of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of manufacture method of spigot-and-socket reinforced concrete pipe is provided, the method is by arranging the circularity that Height Adjustable positioning support retrains steel collar bottom in bottom, realize the requirement of flexible modulation reinforced concrete pipe length, and met the required precision of heavy caliber spigot-and-socket reinforced concrete pipe female end.
The object of the invention realizes and being completed by following technical scheme:
A manufacture method for spigot-and-socket reinforced concrete pipe, is characterized in that the method has following steps:
(a) bed die is positioned on ground and levelling, and based on reinforced concrete pipe length adjustment supporting frame height to be cast;
(b) coaxial installation supporting frame on bed die, and positioning support is coaxially installed on support frame as described above body;
(c) female end steel collar is set in to described positioning support, afterwards in described positioning support upper limb on arranged outside watertight rubber bar;
(d) on the ring flange of described bed die, counterdie is installed, mould in installing afterwards on the ring flange of described counterdie;
(e) on described middle mould, patrix is installed, internal mold cast concrete structure are installed afterwards.
In above-mentioned steps (c), steel collar is sleeved on described positioning support and specifically refers to: described positioning support is roughly cylindrical shape, its upper end is inwardly shunk and is Rotary-table shape, its outside, lower end is provided with the limited block of horizontal projection, described steel collar cover packs described positioning support into and conflicts after described limited block, forms interference fits with positioning support cylinder part.
Support frame as described above body is comprised of top structure, polycrystalline substance and some steel rings, the some steel pipes on this steel loop form by a steel loop and vertical welding for described top structure and polycrystalline substance, the steel loop of described top structure and described positioning support bottom are fixing, and the steel loop of described polycrystalline substance and described bed die upper end are fixed; Some steel pipes on described top structure and polycrystalline substance form the incline of the regular prism shape structure that limit number is identical, the length of side is equal, and on described top structure outside steel pipe footpath be less than on described polycrystalline substance footpath within steel pipe; It is three kinds of 1:2:5 that described some steel rings are divided into aspect ratio, and within described steel ring, footpath is identical with pipe diameter on described polycrystalline substance; In the time of on the steel pipe of selecting different steel rings suits and described top structure, the height of support frame as described above body is determined by the steel pipe height of described polycrystalline substance and selected steel ring kind and quantity, highly adjustable to realize it.
Described positioning support bottom is provided with circle shape groove, and described bed die top is provided with circle shape groove, for fixing with support frame as described above body top structure, polycrystalline substance.
Support frame as described above body is comprised of top structure and polycrystalline substance, the some steel pipes on this steel loop form by a steel loop and vertical welding for described top structure and polycrystalline substance, the steel loop of described top structure and described positioning support bottom are fixing, and the steel loop of described polycrystalline substance and described bed die upper end are fixed; Some steel pipes on described top structure and polycrystalline substance form the incline of the regular prism shape structure that limit number is identical, the length of side is equal, and on steel pipe and described polycrystalline substance, steel pipe all has some equally spaced locating holes on described top structure, on described top structure, on steel pipe and described polycrystalline substance, steel pipe is socketed and fixes by steel latch.
Advantage of the present invention is: can regulate positioning support height by adjusting support frame body, and then regulate the reinforced concrete pipe pipe range of cast; By the cylinder on positioning support, retrain the shape of female end steel collar bottom, guaranteed the formed precision of steel collar.
Accompanying drawing explanation
Fig. 1 is reinforced concrete pipe mould overall structure schematic diagram of the present invention;
Fig. 2 is structure bed die of the present invention and positioning support part-structure schematic diagram I;
Fig. 3 is structure bed die of the present invention and positioning support part-structure schematic diagram II.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, feature of the present invention and other correlated characteristic are described in further detail, so that technical staff's of the same trade understanding:
As shown in Figure 1 to Figure 3, total reference number 1-25 represents respectively: 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, grouting 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, limited block 24, raised item 25.
Shown in Figure 1, in the present invention reinforced concrete pipe mould mainly by bed die 1, positioning support 4, counterdie 23, in mould 5, patrix 7 and internal mold 6 constitute, 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 common casting mold that forms female end outer surface of middle mould 5,6 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 coaxially fix from the bottom to top, in being wherein coaxially provided with internal mold 6 and positioning support 4.
Bed die 1 is to be roughly toroidal, and its lower end is horizontally disposed with on the ground by I-steel 11, can be by the padded levelling of the things such as chock when the out-of-flatness of 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 for plug-in mounting female end steel collar 8, and these positioning support 4 external forms are roughly cylindrical shape, are divided into 10 two parts of cylinder part 9 and round platform body.Should be noted that this cylinder part 9 and round platform body 10 are structure as a whole in fact, just for convenience positioning support 4 is divided into two parts herein, 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 object that round platform body 10 is set is for the ease of steel collar 8 plug-in mountings.The interior cylindrical shape cavity that coaxially offers of positioning support 4, for being set with described internal mold 6.Positioning support 4 outsides, lower end are provided with the limited block 24 of horizontal projection, when steel collar 8 is set on positioning support 4, when conflict limited block 24 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 concrete grout seepage, (it is an annulus that positioning support 4 is overlooked for the outer rim of positioning support 4 upper ends and inner edge, outer rim and inner edge be the great circle of annulus and roundlet for this reason both) offer step, for grouting rubber strip 14 is installed.When cast, the grouting rubber strip 14 arranging on outer rim step contacts with steel collar 8, and the grouting rubber strip 14 arranging on inner edge step contacts with internal mold 6, prevents that cement mortar from infiltrating along gap.
The object that positioning support 4 arranges is for steel collar 8 being held round to limit its deformation by cylinder part 9, structure from reinforced concrete pipe, 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 vital effect for the sealing property of spigot-and-socket reinforced concrete pipe.
As shown in Figure 2, between bed die 1 and positioning support 4, be that by supporting frame, to realize the location of adjustable height fixing.Wherein supporting frame is comprised of top structure 2 and polycrystalline substance 3, and by a steel loop 16 and vertical welding, the some steel pipes 17 on this steel loop 16 form top structure 2, and by a steel loop 18 and vertical welding, the some steel pipes 19 on this steel loop 18 form polycrystalline substance 3.Corresponding, bed die 1 upper end offers an annular groove 12, and positioning support 4 lower ends offer in an annular groove 13, and the internal-and external diameter of annular groove 13 is identical with the inside/outside diameter size of steel loop 16 on top structure 2; The internal-and external diameter of annular groove 12 is identical with the inside/outside diameter size of steel loop 18 on polycrystalline substance 3, and when supporting frame upper and lower side steel loop is placed in this annular groove 12,13, bed die 1 and positioning support 4 coaxially link together.For realizing adjustable height, fix, some steel pipes on top structure 2 and polycrystalline substance 3 (17,19) form the incline of the regular prism shape structure that limit number is identical, the length of side is equal, and on described top structure 2 outside steel pipe 17 footpath be less than on described polycrystalline substance 3 footpath within steel pipe 19.Adopt such structure, the steel pipe 17 on top structure 2 can be plugged in steel pipe 19 on polycrystalline substance 3, and can easy on and off activity.Only need be by fixing in vertical direction between top structure 2 and 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 is totally divided into aspect ratio, is highly respectively 100mm, 200mm, 500mm, and within steel ring 15, footpath is identical with steel pipe 19 internal diameters on described polycrystalline substance 3, and its external diameter is identical with the external diameter of steel pipe 19.When selecting on the steel pipe 17 of different steel ring 15 suits and described top structure 2, then by steel pipe 19 on the corresponding insertion polycrystalline substances 3 of the steel pipe of described top structure 2 17.The height of supporting frame is determined by steel pipe 19 height of polycrystalline substance 3 and selected steel ring 15 kinds and quantity, highly adjustable to realize it.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 top structure 2, on steel pipe 17 and polycrystalline substance 3, steel pipe 19 all has some equally spaced locating holes 20, on top structure 2, steel pipe 17 plug-in mountings enter on polycrystalline substance 3 after steel pipe 19, regulate top structure 2 height, and it is spacing by both by steel latch 21, to insert locating hole 20.
Two, counterdie 23, middle mould 5 and with the syndeton of bed die 1
Counterdie 23 is roughly cylinder type and has the cavity of a cylindrical shape, this cylindrical shape cavity is used for being set with steel collar 8 and positioning support 4, the upper end of counterdie 23 be horizontally outward extended with for the co-axially fixed ring flange 22 of mould 5, ring flange 22 outer rims are evenly distributed with some bolts that close, for fixing with the coaxial of mould 5.Ring flange 22 upsides are radially provided with the raised item 25 of two symmetries, and this raised item 25 is for limiting the amalgamation position of two half modules that form described mould 5, and simultaneously above-mentioned half module also should exist and breach corresponding to this raised item 25 coupling at the inferior horn of its end.The lower end of counterdie 23 is horizontally outward extended with collar flange, between described ring flange and described flange, is vertically welded with some reinforcements, and the outer surface of reinforcement and counterdie 23 welds to strengthen the rigidity of counterdie 23.
Spillage when avoiding pouring into a mould, is also provided with grouting rubber strip between counterdie 23 and middle mould 5.Counterdie 23 ring flange 22 upper ends are provided with the groove that two rings are coaxially nested, and grouting rubber strip is set respectively in installation during mould 5, wherein the grouting rubber strip of inner ring mainly plays the effect of grouting, the grouting rubber strip of outer ring plays the effect of balance support, when preventing in installation mould 5, there are the situations of inclination in two half modules.
In conjunction with said structure, moulding flow process of the present invention is as follows:
Bed die 1 is positioned on ground and levelling;
Based on reinforced concrete pipe length adjustment support frame as described above height to be cast; The mode regulating can adopt the padded mode of steel ring 15, also can adopt the fixing mode of steel latch 21;
Coaxial installation supporting frame on bed die 1, and positioning support 4 is coaxially installed on support frame as described above body;
Afterwards female end steel collar 8 is set in to described positioning support, arranged outside watertight rubber bar 14 in described positioning support 4 upper limbs;
Counterdie 23 is installed on the ring flange of described bed die 1;
Mould 5 in installing on described counterdie 23;
On described middle mould 5, patrix 7 is installed, internal mold 6 cast concrete structure are installed afterwards.
Claims (3)
1. a manufacture method for spigot-and-socket reinforced concrete pipe, is characterized in that the method has following steps:
(a) bed die is positioned on ground and levelling, and based on reinforced concrete pipe length adjustment supporting frame height to be cast;
(b) coaxial installation supporting frame on bed die, and positioning support is coaxially installed on support frame as described above body;
(c) female end steel collar is set in to described positioning support, afterwards in described positioning support upper limb on arranged outside watertight rubber bar;
(d) on the ring flange of described bed die, counterdie is installed, mould in installing afterwards on the ring flange of described counterdie;
(e) on described middle mould, patrix is installed, internal mold cast concrete structure are installed afterwards;
In step (c), steel collar is sleeved on described positioning support and specifically refers to: described positioning support is roughly cylindrical shape, its upper end is inwardly shunk and is Rotary-table shape, its outside, lower end is provided with the limited block of horizontal projection, described steel collar cover packs described positioning support into and conflicts after described limited block, form interference fits with positioning support cylinder part, described positioning support bottom is provided with circle shape groove, described bed die top is provided with circle shape groove, for fixing with support frame as described above body top structure, polycrystalline substance.
2. the manufacture method of a kind of spigot-and-socket reinforced concrete pipe as claimed in claim 1, it is characterized in that: support frame as described above body is comprised of top structure, polycrystalline substance and some steel rings, the some steel pipes on this steel loop form by a steel loop and vertical welding for described top structure and polycrystalline substance, the steel loop of described top structure and described positioning support bottom are fixing, and the steel loop of described polycrystalline substance and described bed die upper end are fixed; Some steel pipes on described top structure and polycrystalline substance form the incline of the regular prism shape structure that limit number is identical, the length of side is equal, and on described top structure outside steel pipe footpath be less than on described polycrystalline substance footpath within steel pipe; It is three kinds of 1:2:5 that described some steel rings are divided into aspect ratio, and within described steel ring, footpath is identical with pipe diameter on described polycrystalline substance; In the time of on the steel pipe of selecting different steel rings suits and described top structure, the height of support frame as described above body is determined by the steel pipe height of described polycrystalline substance and selected steel ring kind and quantity, highly adjustable to realize it.
3. the manufacture method of a kind of spigot-and-socket reinforced concrete pipe as claimed in claim 1, it is characterized in that: support frame as described above body is comprised of top structure and polycrystalline substance, the some steel pipes on this steel loop form by a steel loop and vertical welding for described top structure and polycrystalline substance, the steel loop of described top structure and described positioning support bottom are fixing, and the steel loop of described polycrystalline substance and described bed die upper end are fixed; Some steel pipes on described top structure and polycrystalline substance form the incline of the regular prism shape structure that limit number is identical, the length of side is equal, and on steel pipe and described polycrystalline substance, steel pipe all has some equally spaced locating holes on described top structure, on described top structure, on steel pipe and described polycrystalline substance, steel pipe is socketed and fixes by 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 |
|---|---|
| CN102416667A CN102416667A (en) | 2012-04-18 |
| CN102416667B true 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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371623B (en) * | 2011-08-17 | 2013-09-18 | 上海水泥制管厂 | Spigot and socket type reinforced concrete pipe mould structure with adjustable pipe length |
| 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 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201872246U (en) * | 2010-11-09 | 2011-06-22 | 四川国统混凝土制品有限公司 | Forming mould for nonstandard-length PCCPs (prestressed concrete cylinder pipes) |
| 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 |
| 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 |
-
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 |
| CN201872246U (en) * | 2010-11-09 | 2011-06-22 | 四川国统混凝土制品有限公司 | Forming mould for nonstandard-length PCCPs (prestressed concrete cylinder pipes) |
| 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 |
| 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 |
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| CN102416667A (en) | 2012-04-18 |
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