CN114311274A - High-pressure pouring forming device for concrete tubular pile and tubular pile manufacturing method - Google Patents
High-pressure pouring forming device for concrete tubular pile and tubular pile manufacturing method Download PDFInfo
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- CN114311274A CN114311274A CN202111466138.7A CN202111466138A CN114311274A CN 114311274 A CN114311274 A CN 114311274A CN 202111466138 A CN202111466138 A CN 202111466138A CN 114311274 A CN114311274 A CN 114311274A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 22
- 238000005266 casting Methods 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims 1
- 230000003014 reinforcing effect Effects 0.000 claims 1
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The application discloses a concrete tubular pile high-pressure pouring forming device and a tubular pile manufacturing method, wherein the concrete tubular pile high-pressure pouring forming device comprises a first mould, a second mould and a third mould, the first mould and the second mould are matched to form a tubular outer mould, and a mould cavity is formed in the outer mould; the third die comprises an inflatable airbag which is cylindrical after being inflated, a plurality of arc-shaped supporting plates which are sequentially connected end to end in the circumferential direction are clamped in the wall of the airbag, and two adjacent supporting plates are hinged with each other, so that the airbag can be expanded in an inflated state and can be folded in a natural state; the air bag is positioned in the mold cavity and is axially parallel to the outer mold; a tubular pile forming cavity is enclosed between the inner wall of the outer die and the outer wall of the air bag; the air bag elastically extrudes the concrete, and the support plate rigidly supports the concrete. This application gasbag wall is inside to press from both sides and establishes curved backup pad for when the gasbag was in the gas filled state, the gasbag carried out the elastic extrusion to the concrete, and the backup pad carries out the rigidity to the concrete and supports, makes wall thickness after the tubular pile shaping even, the outer wall levels.
Description
Technical Field
The invention relates to the technical field of concrete tubular piles, in particular to a high-pressure pouring forming device for a concrete tubular pile and a tubular pile manufacturing method.
Background
The existing concrete pipe pile is usually formed by centrifugation, a centrifuge is needed, the centrifuge occupies a large area, has high working noise and high energy consumption, has high rotating speed, has high requirement on matching with a mould, is easy to break down, and can cause safety accidents such as mould flying when the operation is unstable. When the concrete pipe pile is centrifugally formed, the forming quality of the concrete pipe pile is influenced by the jumping of the die, and the problems of material collapse, layering, no forming, slurry leakage, perforation and the like are easy to occur.
In particular, in order to reduce the difficulty of feeding, die assembly and centrifugal forming and control the concrete slump, the prior art generally increases the water-cement ratio of a concrete raw material, and influences the strength and quality of a concrete pipe pile. In addition, the concrete pipe pile can separate out residual slurry during each centrifugal forming, and the residual slurry contains a large amount of cement, mineral powder, additives and fine sand, so that the raw material waste and the environmental pollution are caused. In addition, when the concrete tubular pile is centrifugally formed, concrete is easy to separate and layer, so that aggregates with large mass are distributed on the outer layer, aggregates with small mass are distributed on the inner layer, the radial concrete structure of the formed concrete tubular pile is uneven, the strength is inconsistent, and the product quality of the concrete tubular pile is seriously influenced.
Therefore, how to solve the above-mentioned problem when the concrete pipe pile is formed, guarantee the concrete pipe pile product quality, need to solve urgently.
Disclosure of Invention
For the technical problem who explains in solving above-mentioned background art, the first aim at of this application provides a concrete tubular pile high pressure pours forming device, use the gasbag to make the concrete tubular pile can pour static forming through pressure in this application, the product quality problem that the mould unstability brought when reducing centrifugal molding, the inside arc backup pad of establishing that presss from both sides of gasbag wall in this application for when the gasbag is in the gas filled state, the gasbag can carry out the elastic extrusion to the concrete, the backup pad can carry out the rigid support to the concrete, make the wall thickness even after the concrete tubular pile shaping, the outer wall is level and smooth.
A second object of the present application is to provide a method for manufacturing a concrete pipe pile.
In order to achieve the first object, the following technical solutions are adopted in the present application:
a high-pressure pouring forming device for a concrete pipe pile comprises a first mold, a second mold and a third mold, wherein the first mold and the second mold are combined to form a tubular outer mold, and a mold cavity is formed in the outer mold; the third die comprises an air bag, the air bag is cylindrical after being inflated, a plurality of arc-shaped supporting plates which are sequentially connected end to end in the circumferential direction are clamped in the air bag wall of the air bag, and every two adjacent supporting plates are hinged to each other, so that the air bag can be expanded in an inflated state and can be folded in a natural state; the air bag is positioned in the mold cavity and is axially parallel to the outer mold; a tubular pile forming cavity is enclosed between the inner wall of the outer die and the outer wall of the air bag; the air bag elastically extrudes the concrete, and the support plate rigidly supports the concrete.
According to the technical scheme, when the concrete pipe pile is cast and formed, the third mold is axially connected with the first mold or the second mold, concrete is poured into the first mold, the first mold and the second mold are closed after the concrete pipe pile is cast, the third mold is located in a mold cavity, a steel reinforcement cage and an air bag in the mold are axially tensioned, high-pressure air is input into the air bag, a plurality of arc-shaped supporting plates which are sequentially connected end to end in the circumferential direction are clamped inside the wall of the air bag, the supporting plates have certain rigidity and are hinged with each other, the air bag is inflated and pressurized and then expands, the arc-shaped supporting plates can support the air bag to uniformly extrude the concrete, the concrete is densely formed, the air bag provides enough elastic extrusion force for the concrete, the supporting plates uniformly rigidly support the concrete, and the wall thickness is uniform after the concrete pipe pile is formed, The outer wall is flat, so that the quality of the concrete pipe pile is improved; and (3) performing initial curing after the concrete pipe pile is compressed and molded, expanding and exhausting the reinforcement cage and the air bag in the mold after the concrete pipe pile reaches the demolding strength, and separating the first mold, the second mold and the third mold to take out the initially cured concrete pipe pile.
In the embodiment, the concrete pipe pile is statically molded by pressure pouring, no residual slurry is discharged or leaked, compared with centrifugal molding, the water-cement ratio of the concrete is lower in control, and the concrete with a low water-cement ratio has strong segregation resistance, so that the concrete strength is higher, and the product quality of the concrete pipe pile is improved; and, this embodiment does not need rotatory running wheel, and mould simple structure, processing is convenient, and the mould is static use in this embodiment, has almost no trouble and maintenance, has saved equipment investment, operation and maintenance cost greatly.
Preferably, a plurality of support cavities are formed inside the airbag wall of the airbag, and the support plate is located in the support cavities.
Preferably, the support plates are also arranged axially along the third mould.
Further, the support plate is also hinged in the axial direction of the third mold.
Further, the support plates are arranged in segments in the axial direction.
Preferably, the third mold comprises a first sealing plate and a second sealing plate, the first sealing plate and the second sealing plate being respectively located at two ends of the airbag.
Furthermore, the first sealing plate is provided with a valve port which is communicated with the air inlet of the air bag; the valve port is communicated with a check valve and/or a pressure reducing valve.
Preferably, the first mould sets up the support frame along axial direction interval, and at first mould and second mould junction, the support frame is equipped with logical groove along axial direction, thereby it inserts the wedge to lead to the inslot and connects into an organic whole mould with first mould, second mould.
Preferably, the device comprises a first tensioning plate and a second tensioning plate which are coaxially arranged with the air bag, wherein the first tensioning plate is connected with one ends of the outer die and the third die, and the second tensioning plate is connected with the other ends of the outer die and the third die; the second tensioning plate is further connected with a tensioning screw rod, and a tensioning nut is sleeved on the tensioning screw rod.
In order to achieve the second object, the present application provides a method for manufacturing a concrete pipe pile, which uses any one of the concrete pipe pile pouring devices, and comprises the following steps:
s01, connecting a third mold with the first mold/the second mold;
s02, pouring concrete into the first mold;
s03, closing the first mold and the second mold to form a tubular outer mold, wherein a mold cavity is formed in the outer mold, the air bag is located in the mold cavity and is axially parallel to the outer mold, and a reinforcement cage and the air bag in the mold are tensioned;
s04, enclosing a pipe pile forming cavity between the inner wall of the outer die and the outer wall of the air bag, inputting air into the air bag to expand the air bag, providing elastic extrusion for the air bag, and providing rigid support for the supporting plate so as to fill the pipe pile forming cavity with concrete in the first die;
and S05, curing the concrete in the pipe pile forming cavity, expanding and exhausting the reinforcement cage and the air bag in the mold after the concrete in the pipe pile forming cavity reaches the demolding strength, separating the first mold from the second mold, and removing the third mold to obtain the formed concrete pipe pile.
The beneficial effect of this application:
1. the concrete pipe pile is statically formed by pressure pouring, no residual slurry is discharged or leaked, the water-cement ratio of the concrete is lower than that of the concrete formed by centrifugation, and the concrete with the low water-cement ratio has strong segregation resistance, so that the concrete strength is higher, and the product quality of the concrete pipe pile is improved;
2. the die is used statically, a rotating running wheel is not needed, the die is simple in structure and convenient to process, faults and maintenance are almost avoided, and equipment investment, operation cost and maintenance cost are greatly saved;
3. the gasbag wall is inside to press from both sides and to be equipped with a plurality of curved backup pads that connect gradually around circumference direction end to end, and the backup pad has certain rigidity, and is articulated between two adjacent backup pads for aerify in the gasbag and pressurize the inflation back, the gasbag provides sufficient elastic extrusion force to the concrete, and the backup pad carries out rigidity support uniformly to the concrete, makes concrete pipe pile shaping back wall thickness even, the outer wall levels, improves concrete pipe pile's quality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic cross-sectional view of a concrete pipe pile casting apparatus according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an airbag according to an embodiment of the present disclosure;
FIG. 3 is a schematic side view of a first mold according to one embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view taken along the direction A in FIG. 3;
FIG. 5 is a schematic side view of a second mold according to one embodiment of the present disclosure;
FIG. 6 is a schematic cross-sectional view taken along the direction B in FIG. 5;
fig. 7 is a schematic side view of a concrete pile pouring device in an embodiment of the application.
1. A first mold;
2. a second mold; 21. a mold cavity; 22. a flange plate;
3. a third mold; 31. an air bag; 31. a support cavity; 32. a pipe pile forming cavity; 33. a first sealing plate; 34. a second sealing plate; 35. a one-way valve; 36. a pressure reducing valve; 37. a through groove; 371. a wedge block; 38. a first pulling plate; 39. a second tensioning plate; 391. stretching the lead screw; 392. tensioning the nut;
4. a support plate;
5. a support frame.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The application provides a concrete pipe pile high pressure casting forming device on the one hand, and on the other hand provides a concrete pipe pile manufacturing method. Fig. 1 is a schematic cross-sectional view of a concrete pipe pile casting apparatus according to an embodiment of the present application; FIG. 2 is a schematic cross-sectional view of an airbag according to an embodiment of the present disclosure; FIG. 3 is a schematic side view of a first mold according to one embodiment of the present disclosure; FIG. 4 is a schematic cross-sectional view taken along the direction A in FIG. 3; FIG. 5 is a schematic side view of a second mold according to one embodiment of the present disclosure; FIG. 6 is a schematic cross-sectional view taken along the direction B in FIG. 5; fig. 7 is a schematic side view of a concrete pile pouring device in an embodiment of the application.
Referring to fig. 1-7, a high-pressure pouring forming device for a concrete pipe pile comprises a first mold 1, a second mold 2 and a third mold 3, wherein the first mold 1 and the second mold 2 are closed to form a tubular outer mold, and a mold cavity 21 is formed inside the outer mold; the third die 3 comprises an air bag 31, the air bag 31 is a cylindrical air bag after being inflated, a plurality of arc-shaped support plates 4 which are sequentially connected end to end in the circumferential direction are clamped in the air bag wall of the air bag 31, and every two adjacent support plates 4 are hinged, so that the air bag 31 can be expanded in an inflated state and can be folded in a natural state; the air bag 31 is positioned in the die cavity 21, and the air bag 31 is axially parallel to the outer die; a tubular pile forming cavity 32 is defined between the inner wall of the outer die and the outer wall of the air bag 31; the air bag 31 elastically extrudes the concrete pipe pile, and the support plate 4 rigidly supports the concrete pipe pile. Referring to fig. 1, 3 and 4, the first mold 1 may have a base.
When the concrete pipe pile is cast and formed, firstly, a third mould 3 is axially connected with a first mould 1 or a second mould 2, concrete is cast in the first mould 1, the first mould 1 and the second mould 2 are closed after the concrete pipe pile is cast, so that the third mould 3 is positioned in a mould cavity 21, a reinforcement cage and an air bag 31 in the mould are axially tensioned, then high-pressure air is input into the air bag 31, because a plurality of arc-shaped supporting plates 4 which are sequentially connected end to end in the circumferential direction are clamped in the wall of the air bag, the supporting plates 4 have certain rigidity, and the two adjacent supporting plates 4 are hinged, the air bag 31 is inflated and pressurized and then expanded, the arc-shaped supporting plates 4 can support the air bag 31 to uniformly extrude the concrete, so that the concrete is densely formed in the air bag 31, wherein the air bag 31 provides enough elastic extrusion force for the concrete, and the supporting plates 4 uniformly and rigidly support the concrete, the wall thickness of the formed concrete pipe pile is uniform, the outer wall of the formed concrete pipe pile is smooth, and the quality of the concrete pipe pile is improved; the concrete pipe pile enters initial curing after being compressed and molded, after the concrete pipe pile reaches the demolding strength, a reinforcement cage and an air bag 31 in the mold are expanded and exhausted, the first mold 1, the second mold 2 and the third mold 3 are separated, and the concrete pipe pile which is maintained preliminarily can be taken out.
In the embodiment, the concrete pipe pile is statically molded by pressure pouring, no residual slurry is discharged or leaked, compared with centrifugal molding, the water-cement ratio of the concrete is lower in control, and the concrete with a low water-cement ratio has strong segregation resistance, so that the concrete strength is higher, and the product quality of the concrete pipe pile is improved; in addition, the die of the embodiment is used statically, a rotary running wheel is not needed, the die is simple in structure and convenient to process, faults and maintenance are almost avoided, and equipment investment, operation cost and maintenance cost are greatly saved.
In order to smooth the inner wall of the concrete pipe pile and facilitate the separation of the air bag 31 from the formed pipe pile, in an exemplary embodiment, the outer wall of the air bag 31 is set to be relatively smooth, so that the product quality of the concrete pipe pile is improved and the demolding efficiency is improved.
Referring to fig. 1, in an exemplary embodiment, a flange 22 is circumferentially and annularly wound around the outer portion of the second mold 2, the flange 22 has a T-shaped annular band, so that the second mold 2 can be conveniently gripped by a clamp, the clamp and the flange 22 form a self-locking structure, the clamp is not easy to fall off, and the second mold 2 and the first mold 1 can be conveniently closed.
In the exemplary embodiment, a plurality of support chambers 31 are formed inside the airbag walls of the airbag 31, and the support plate 4 is located in the support chambers 31.
In order to make the overall structure of the concrete pipe pile uniform and increase the flatness and uniformity in the axial direction, in the exemplary embodiment, the support plates 4 are also arranged axially along the third mold 3.
In order to facilitate the collapsible accommodation of the airbag 31 in the axial direction, further, the support plate 4 is also hinged in the axial direction of the third mold 3.
Further, the support plates 4 may be arranged in a continuous or segmented arrangement in the axial direction.
In order to improve the sealing performance of the air bag 31, in an exemplary embodiment, the third mold 3 includes a first sealing plate 33 and a second sealing plate 34, and the first sealing plate 33 and the second sealing plate 34 are respectively located at two ends of the air bag 31, so that the air bag 31 is sealed from the two ends, the sealing performance of the air bag 31 is improved, and the product quality of the concrete pipe pile is ensured.
In order to facilitate the inflation and deflation of the air bag 31, the first sealing plate 33 is further provided with a valve port which is communicated with an air inlet of the air bag 31; the valve port is communicated with the check valve 35 and the reducing valve 36, so that the air bag 31 can be filled with air through the check valve 35 and can be prevented from leaking air, the reducing valve 36 can be used for reducing pressure and exhausting air, and the check valve 35 and the reducing valve 36 are matched for use, so that the air pressure in the air bag 31 can be conveniently controlled.
In order to improve the mold closing and removing efficiency, in an exemplary embodiment, the first mold 1 is provided with the support frames 5 at intervals along the axial direction, a through groove 37 is formed in the joint of the first mold 1 and the second mold 2, the support frames 5 are provided with the through groove 37 along the axial direction, and the wedge-shaped block 371 is inserted into the through groove 37 so as to connect the first mold 1 and the second mold 2 into a whole mold, so that the first mold 1 and the second mold 2 can be tightly connected, excessive bolt connection points are required to be arranged when the first mold 1 and the second mold 2 are connected, the workload of mold closing and removing is reduced, the labor force is reduced, and the work efficiency is improved.
Referring to fig. 6, the present embodiment is also innovative in that the wedge block 371 may be welded to the second mold 2, and in particular, the wedge block 371 may be welded to the flange 22 on the outer periphery of the second mold 2, thereby further facilitating the mold closing and mold opening of the first mold 1 and the second mold 2.
In the exemplary embodiment, a first tensioning plate 38 and a second tensioning plate 39 are included, arranged coaxially with the bladder 31, the first tensioning plate 38 connecting the outer mould to one end of the third mould 3, the second tensioning plate 39 connecting the outer mould to the other end of the third mould 3; the second tensioning plate 39 is further connected with a tensioning screw 391, and the tensioning screw 391 is sleeved with a tensioning nut 392, so that the reinforcement cage and the air bag 31 in the die can be tensioned axially, and the air bag 31 is not loosened in the axial direction.
The concrete pipe pile casting device in the embodiment is adopted in the concrete pipe pile manufacturing method, and the concrete pipe pile casting method comprises the following steps:
s01, connecting a third mold 3 with the first mold 1 or the second mold 2; the two ends of the air bag 31 are respectively connected and sealed with the first sealing plate 33 and the second sealing plate 34 to ensure the sealing performance of the air bag 31, and the two ends of the air bag 31 are also respectively connected and sealed with the first tensioning plate 38 and the second tensioning plate 39 to ensure that concrete does not leak;
s02, pouring concrete into the first mold 1;
s03, closing the first mold 1 and the second mold 2 to form a tubular outer mold, wherein a mold cavity 21 is formed in the outer mold, the air bag 31 is located in the mold cavity 21, the air bag 31 is axially parallel to the outer mold, and a reinforcement cage and the air bag 31 in the mold are tensioned;
s04, a pipe pile forming cavity 32 is defined between the inner wall of the outer die and the outer wall of the air bag 31, air is input into the air bag 31 to expand the air bag 31, the air bag 31 provides elastic extrusion, the support plate 4 provides rigid support, so that the pipe pile forming cavity 32 is filled with concrete in the first die 1, and the concrete is compacted; wherein, the one-way valve 35 inflates the air bag 31, and the pressure reducing valve 36 deflates and reduces the pressure of the air bag 31;
s05, curing the concrete in the pipe pile forming cavity 32, expanding and exhausting the reinforcement cage and the air bag 31 in the die after the concrete in the pipe pile forming cavity 32 reaches the demolding strength, separating the first die 1 from the second die 2, removing the third die 3 to obtain the formed concrete pipe pile, wherein the wall thickness of the formed concrete pipe pile is uniform, and the outer wall of the formed concrete pipe pile is flat.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a forming device is pour to concrete pipe pile high pressure which characterized in that includes:
the first die and the second die are combined to form a tubular outer die, and a die cavity is formed in the outer die;
the third mould comprises an air bag, the air bag is cylindrical after being inflated, a plurality of arc-shaped supporting plates which are sequentially connected end to end in the circumferential direction are clamped in the air bag wall of the air bag, and every two adjacent supporting plates are hinged with each other, so that the air bag can be expanded in an inflated state and can be folded in a natural state; the air bag is positioned in the die cavity and is axially parallel to the outer die; a tubular pile forming cavity is defined between the inner wall of the outer die and the outer wall of the air bag; the air bag elastically extrudes the concrete, and the support plate rigidly supports the concrete.
2. The concrete pipe pile high-pressure casting forming device according to claim 1, wherein a plurality of supporting cavities are formed inside the air bag wall of the air bag, and the supporting plates are located in the supporting cavities.
3. The high-pressure casting device for the concrete pipe pile according to claim 1, wherein the supporting plates are further arranged along the axial direction of the third mold.
4. The concrete pipe pile high-pressure casting device according to claim 3, wherein the support plate is further hinged along the axial direction of the third mold.
5. The concrete pipe pile high-pressure casting molding device according to claim 3, wherein the support plates are arranged in a segmented manner in the axial direction.
6. The high-pressure casting device for the concrete pipe pile according to claim 1, wherein the third mold comprises a first sealing plate and a second sealing plate, and the first sealing plate and the second sealing plate are respectively located at two ends of the air bag.
7. The concrete pipe pile high-pressure pouring forming device as claimed in claim 6, wherein the first sealing plate is provided with a valve port, and the valve port is communicated with an air inlet of the air bag; the valve port is in communication with a check valve and/or a pressure relief valve.
8. The high-pressure casting device for the concrete pipe pile according to claim 1, wherein the first mold is provided with support frames at intervals along the axial direction, a through groove is formed in the support frames along the axial direction at the joint of the first mold and the second mold, and a wedge block is inserted into the through groove so as to connect the first mold and the second mold into a whole mold.
9. The high-pressure casting device for the concrete pipe pile according to claim 1, comprising a first tension plate and a second tension plate which are coaxially arranged with the air bag, wherein the first tension plate is connected with one end of the outer mold and one end of the third mold, and the second tension plate is connected with the other end of the outer mold and the other end of the third mold; the second tensioning plate is further connected with a tensioning screw rod, and a tensioning nut is sleeved on the tensioning screw rod.
10. A method for manufacturing a concrete pipe pile by using the concrete pipe pile pouring device of any one of claims 1 to 9, comprising:
s01, connecting the third mold with the first mold/the second mold;
s02, pouring concrete into the first mold;
s03, closing the first mold and the second mold to form a tubular outer mold, wherein a mold cavity is formed in the outer mold, the air bag is located in the mold cavity, the air bag is axially parallel to the outer mold, and a reinforcement cage in the mold and the air bag are tensioned;
s04, a pipe pile forming cavity is defined between the inner wall of the outer die and the outer wall of the air bag, air is input into the air bag to expand the air bag, the air bag provides elastic extrusion, and the supporting plate provides rigid support so as to fill the pipe pile forming cavity with concrete in the first die;
s05, right the concrete of tubular pile shaping intracavity is maintained, the concrete of tubular pile shaping intracavity reaches behind the drawing of patterns intensity in the mould reinforcing bar cage reach the gasbag open, the exhaust, separate first mould with the third mould is demolishd to the second mould, obtains fashioned concrete pipe pile.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808959A (en) * | 2022-06-24 | 2022-07-29 | 徐州威聚电子材料有限公司 | Large-scale mounting bracket preset basis of photovoltaic board is put and is removed device |
| CN114919059A (en) * | 2022-06-15 | 2022-08-19 | 吉林市吉能电力技术有限公司 | Centrifugal extrusion forming device for producing annular concrete member |
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| CN101260673A (en) * | 2008-04-15 | 2008-09-10 | 钟爱民 | Ring aerostat |
| US20160046039A1 (en) * | 2013-04-12 | 2016-02-18 | Vertech Hume Pty Ltd | Method and System for Fabrication of Elongate Concrete Articles |
| WO2020072015A1 (en) * | 2018-10-04 | 2020-04-09 | Sentez İnşaat Yazilim Sanayi̇ Ve Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Prestressed reinforced concrete pipe pile and a production method thereof |
| CN110238958A (en) * | 2019-05-31 | 2019-09-17 | 俞晓东 | Centrifugal concrete pile mould and the flat car to shelve the mold |
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| CN114919059A (en) * | 2022-06-15 | 2022-08-19 | 吉林市吉能电力技术有限公司 | Centrifugal extrusion forming device for producing annular concrete member |
| CN114919059B (en) * | 2022-06-15 | 2022-12-09 | 吉林市吉能电力技术有限公司 | Centrifugal extrusion forming device for producing annular concrete member |
| CN114808959A (en) * | 2022-06-24 | 2022-07-29 | 徐州威聚电子材料有限公司 | Large-scale mounting bracket preset basis of photovoltaic board is put and is removed device |
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