CN113843888B - Prefabricated composite pipe structure mold and using method thereof - Google Patents
Prefabricated composite pipe structure mold and using method thereof Download PDFInfo
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- CN113843888B CN113843888B CN202111181066.1A CN202111181066A CN113843888B CN 113843888 B CN113843888 B CN 113843888B CN 202111181066 A CN202111181066 A CN 202111181066A CN 113843888 B CN113843888 B CN 113843888B
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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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/76—Moulds
- B28B21/82—Moulds built-up from several parts; Multiple moulds; Moulds with adjustable parts
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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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
- B28B21/66—Reinforcing mats
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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
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/86—Cores
- B28B21/88—Cores adjustable, collapsible or expansible
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a prefabricated composite pipe structure die and a using method thereof, wherein the die comprises an outer die, an inner die, a base and a centered positioning cover, wherein fastening parts protruding outwards are respectively arranged on the edges of two ends of an opening of the outer die, a plurality of bolt through holes are arranged on the fastening parts at equal intervals, reinforcing rib plates are arranged on two sides of each bolt through hole, and a plurality of excess material overflow ports are circumferentially arranged at one end of the outer die; a supporting pre-tightening mechanism is arranged at the opening of the inner die; the base is provided with an external mold bearing table surface, an internal mold bearing table surface and a base positioning bulge; the outer wall circumference equipartition of location lid placed in the middle is provided with a plurality of location stabilizer blades. The invention has simple and convenient operation, saves a large amount of labor cost and time cost, improves the production efficiency of the prefabricated composite pipe and has stronger practical value.
Description
Technical Field
The invention relates to the technical field of municipal drainage, in particular to a prefabricated composite pipe structure mold and a using method thereof.
Background
In order to meet the development requirements of modern municipal drainage pipeline systems, prefabricated composite pipe structures are produced. The prefabricated composite pipe consists of an outer reinforced concrete pipe and an inner glass fiber reinforced plastic pipe, wherein the inner glass fiber reinforced plastic pipe is lined on the inner side of the outer reinforced concrete pipe, so that the outer reinforced concrete pipe has the characteristics of high compressive strength, excellent corrosion resistance, excellent wear resistance, excellent oil resistance, high pollution resistance and the like. In order to meet the production requirement of the prefabricated composite pipe and achieve the purpose of efficient and batch production, the research and development of a special die for the prefabricated composite pipe structure is the current primary task of the technical personnel in the field.
Disclosure of Invention
The invention aims to solve the problems and provide a prefabricated composite pipe structure mould and a using method thereof.
The technical scheme adopted by the invention is as follows: a prefabricated composite pipe structure die comprises an outer die, an inner die, a base and a centered positioning cover, wherein the main body of the outer die is of an open tubular structure made of elastic steel, fastening parts protruding outwards are respectively arranged on the edges of two ends of an opening of the outer die, a plurality of bolt through holes are equidistantly arranged on the fastening parts, reinforcing rib plates are arranged on two sides of each bolt through hole, and a plurality of excess material overflow ports are circumferentially arranged at one end of the outer die; the main body of the inner die is also an open tubular structure made of elastic steel, a support pre-tightening mechanism is arranged at the opening of the inner die and used for controlling the size of an opening gap of the inner die, so that the support and fastening effects are realized; the base is of a flange structure with a through middle part, an outer die bearing table top, an inner die bearing table top and a base positioning bulge are arranged on the base, the outer die and the inner die are vertically and respectively vertically placed on the outer die bearing table top and the inner die bearing table top, and the base positioning bulge extends into the inner side of the inner die to play a positioning role; the utility model discloses a centering positioning device, including centre form, location lid, centre form, centre positioning lid, outer wall circumference equipartition, location lid is located the outer wall circumference equipartition between two parties and is provided with a plurality of location stabilizer blades, the one end at the centre form is put to location lid lock between outer mold inner wall and the centre form outer wall, the effect of location between two parties is arranged in to the location stabilizer blade.
Furthermore, the excess material overflow outlets are rectangular through holes, the excess material overflow outlets are all arranged on the same circumferential track in parallel, and the right side edge of the excess material overflow outlets is the effective size limit of the prefabricated composite pipe.
Furthermore, the supporting and pre-tightening mechanism comprises a screw rod, a plurality of pre-tightening units and a support frame, the support frame is welded on the inner side walls at the two ends of the inner die, and the two ends of the screw rod are rotatably connected with the support frame through bearings; each pre-tightening unit comprises a pre-tightening connecting rod, a fixed support and a movable nut support, one end of each pre-tightening connecting rod is hinged to the fixed support, and the other end of each pre-tightening connecting rod is hinged to the movable nut support.
A use method of a prefabricated composite pipe structure mold comprises the following steps:
flatly placing the base on the ground, vertically placing the outer die on an outer die bearing table top of the base by adopting hoisting equipment, enabling one end of the outer die with the excess material overflow port to face upwards, and then fastening all bolts on a fastening part to enable the outer die and the base to be tightly held and fixed;
inserting the inner mold into the inner side of the outer mold by using hoisting equipment, and vertically placing the inner mold on the inner mold bearing table surface of the base; at the moment, a larger gap is formed between the outer wall of the inner die and the inner wall of the outer die, and the gap is called as a concrete filling cavity;
sleeving the glass fiber reinforced plastic pipe on the outer side of the inner mold, so that the bottom end of the glass fiber reinforced plastic pipe is also positioned on the bearing table surface of the inner mold; inserting the reinforcement cage into the concrete filling cavity to keep the reinforcement cage at the central position of the concrete filling cavity as much as possible, namely the distance between the reinforcement cage and the inner wall of the outer mold is basically equal to the distance between the reinforcement cage and the outer wall of the glass steel tube;
buckling a centering positioning cover at the top end of the inner mold, adopting a wrench to rotate a screw clockwise to expand the inner mold outwards, and when the outer wall of the inner mold is expanded to be tightly attached to the inner wall of the glass steel tube, supporting legs at the outer side of the centering positioning cover just supports and props against the inner wall of the outer membrane to realize the tight positioning of the inner mold and the outer mold;
after the working steps are finished, concrete grouting equipment is adopted to perform grouting from the top of the mold to the concrete filling cavity, the grouting scale is limited by the right edge (the lower edge when the outer mold is erected) of the excess material overflow outlet at the upper end of the outer mold, otherwise, concrete slurry can overflow;
after grouting, the concrete and the glass fiber reinforced plastic pipe are naturally solidified for 10 to 12 hours, and then the concrete and the glass fiber reinforced plastic pipe are solidified together, so that the prefabricated composite pipe with the concrete outer pipe and the glass fiber reinforced plastic inner pipe is formed.
The beneficial effects of the invention are:
according to the production process requirements of the prefabricated composite pipe, the inner mold and the outer mold are designed in an open pre-tightening structure, so that the whole set of mold is simple and convenient to operate, a large amount of labor cost and time cost are saved, the production efficiency of the prefabricated composite pipe is improved, and the prefabricated composite pipe has high practical value.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of the outer mold structure of the present invention;
FIG. 3 is a schematic cross-sectional view of an outer mold of the present invention;
FIG. 4 is a schematic diagram of the external mold of the present invention;
FIG. 5 is a schematic view of the inner mold structure of the present invention;
FIG. 6 is a schematic cross-sectional view of the inner mold of the present invention;
FIG. 7 is a schematic perspective view of the inner mold of the present invention;
FIG. 8 is a schematic view of the base structure of the present invention;
fig. 9 is a schematic view of the center positioning cover structure of the present invention.
In the figure: 1-outer mold, 2-inner mold, 3-base, 4-centering positioning cover, 11-fastening part, 12-reinforcing rib plate, 13-excess material overflow port, 21-screw, 22-supporting frame, 23-pretightening connecting rod, 24-fixing support, 25-moving nut support, 31-outer mold bearing table surface, 32-inner mold bearing table surface, 33-base positioning bulge, 41-positioning support leg
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the attached drawings and the specific embodiments.
Referring to fig. 1-9, the mold for the prefabricated composite pipe structure provided by the invention comprises an outer mold 1, an inner mold 2, a base 3 and a centered positioning cover 4, wherein the main body of the outer mold 1 is an open tubular structure made of elastic steel, fastening parts 11 protruding outwards are respectively arranged on the edges of two ends of an opening of the outer mold 1, a plurality of bolt through holes are equidistantly arranged on the fastening parts 11, reinforcing rib plates 12 are arranged on two sides of each bolt through hole in order to increase the fastening strength of the outer mold 1, and a plurality of excess material overflow ports 13 are circumferentially arranged at one end of the outer mold 1; the excess material overflow port 13 is a rectangular through hole, the excess material overflow ports 13 are all arranged on the same circumferential track in parallel, the right side edge (the lower side edge when standing up) of the excess material overflow port 13 is the effective size limit of the prefabricated composite pipe, the excess material overflow port 13 is used for overflowing outwards when cement grout poured into the die is higher than the effective size limit of the prefabricated composite pipe, and meanwhile, a certain warning effect is achieved.
The main body of the inner die 2 is also an open tubular structure made of elastic steel, a supporting and pre-tightening mechanism is arranged at the opening of the inner die 2, and the supporting and pre-tightening mechanism is used for controlling the size of an opening gap of the inner die, so that the supporting and tightening effects are realized; the supporting and pre-tightening mechanism comprises a screw rod 21, a plurality of pre-tightening units and a supporting frame 22, the supporting frame 22 is welded on the inner side walls of the two ends of the inner die 2, and the two ends of the screw rod 21 are rotatably connected with the supporting frame 22 through bearings; each pre-tightening unit comprises a pre-tightening connecting rod 23, a fixed support 24 and a movable nut support 25, one end of each pre-tightening connecting rod 23 is hinged to the fixed support 24, and the other end of each pre-tightening connecting rod 23 is hinged to the movable nut support 25.
In the invention, the base 3 is of a flange structure with a through middle part, the base 3 is provided with an outer mold bearing table surface 31, an inner mold bearing table surface 32 and a base positioning bulge 33, the outer mold 1 and the inner mold 2 are vertically placed on the outer mold bearing table surface 31 and the inner mold bearing table surface 32 respectively, and the base positioning bulge 33 extends into the inner side of the inner mold 2 to play a positioning role; the location lid 4 placed in the middle is the penetrating disc type structure in middle part, and the outer wall circumference equipartition of location lid 4 placed in the middle is provided with a plurality of location stabilizer blades 41, and location lid 4 placed in the middle detains the one end of putting at centre form 2, and location stabilizer blade 41 is arranged in and is played the effect of location placed in the middle between 1 inner wall of external mold and the 2 outer walls of centre form.
A use method of a prefabricated composite pipe structure mold comprises the following steps:
the base 3 is horizontally placed on the ground, the outer die 1 is vertically placed on an outer die bearing table surface 31 of the base 3 by adopting hoisting equipment, one end of the outer die 1 with the excess material overflow port 13 faces upwards, and then all bolts on the fastening part 11 are fastened to enable the outer die 1 and the base 3 to be tightly held and fixed;
inserting the inner mold 2 into the inner side of the outer mold 1 by adopting hoisting equipment, and vertically placing the inner mold 2 on an inner mold bearing table surface of the base 3; at the moment, a larger gap is formed between the outer wall of the inner die 2 and the inner wall of the outer die 1, and the gap is called as a concrete filling cavity;
sleeving the glass fiber reinforced plastic pipe on the outer side of the inner mold 2, so that the bottom end of the glass fiber reinforced plastic pipe is also positioned on the inner mold bearing table surface 32; inserting a reinforcement cage (not shown in the figure) into the concrete filling cavity to keep the reinforcement cage at the central position of the concrete filling cavity as much as possible, namely the distance between the reinforcement cage and the inner wall of the outer die 1 is basically equal to the distance between the reinforcement cage and the outer wall of the glass steel tube;
buckling a centering positioning cover 4 at the top end of the inner mold 2, adopting a wrench to rotate a screw rod 21 clockwise to expand the inner mold 2 outwards, and when the outer wall of the inner mold 2 is expanded to be tightly attached to the inner wall of the glass steel tube, a positioning support leg 51 at the outer side of the centering positioning cover 4 just supports and supports the inner wall of the outer film 1, so that the inner mold 2 and the outer mold 1 are tightly fixed;
after the working steps are finished, concrete grouting equipment is adopted to perform grouting from the top of the mold to the concrete filling cavity, the grouting scale is limited by the right side edge (the lower edge when the residual material overflow port 13 at the upper end of the outer mold 1 is erected) of the residual material overflow port, otherwise, concrete slurry can overflow;
after grouting, the concrete and the glass fiber reinforced plastic pipe are naturally solidified for 10 to 12 hours, and then the concrete and the glass fiber reinforced plastic pipe are solidified together, so that the prefabricated composite pipe with the concrete outer pipe and the glass fiber reinforced plastic inner pipe is formed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications made according to the design concept of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A using method of a prefabricated composite pipe structure mold comprises an outer mold, an inner mold, a base and a centering positioning cover, and is characterized in that,
in the prefabricated composite pipe structure die, the main body of the outer die is an open tubular structure made of elastic steel, fastening parts protruding outwards are respectively arranged on the edges of two ends of an opening of the outer die, a plurality of bolt through holes are equidistantly arranged on the fastening parts, reinforcing rib plates are arranged on two sides of each bolt through hole, and a plurality of excess material overflow ports are circumferentially arranged at one end of the outer die; the main body of the inner die is also of an open tubular structure made of elastic steel, a supporting and pre-tightening mechanism is arranged at the opening of the inner die and used for controlling the size of an opening gap of the inner die, and therefore the supporting and tightening effects are achieved; the base is of a flange structure with a through middle part, an outer die bearing table top, an inner die bearing table top and a base positioning bulge are arranged on the base, the outer die and the inner die are vertically and respectively vertically placed on the outer die bearing table top and the inner die bearing table top, and the base positioning bulge extends into the inner side of the inner die to play a positioning role; the centering positioning cover is of a disc type structure with a through middle part, a plurality of positioning support legs are uniformly distributed on the outer wall of the centering positioning cover in the circumferential direction, the centering positioning cover is buckled at one end of the inner die, and the positioning support legs are arranged between the inner wall of the outer die and the outer wall of the inner die to play a role in centering positioning;
the supporting and pre-tightening mechanism comprises a screw, a plurality of pre-tightening units and a support frame, the support frame is welded on the inner side walls of the two ends of the inner die, and the two ends of the screw are rotatably connected with the support frame through bearings; each pre-tightening unit comprises a pre-tightening connecting rod, a fixed support and a movable nut support, wherein one end of the pre-tightening connecting rod is hinged with the fixed support, and the other end of the pre-tightening connecting rod is hinged with the movable nut support;
the use method of the prefabricated composite pipe structure mould comprises the following steps:
the base is horizontally placed on the ground, the outer die is vertically placed on an outer die bearing table board of the base by adopting hoisting equipment, one end of the outer die with the excess material overflow port faces upwards, and then all bolts on the fastening part are fastened to enable the outer die and the base to be tightly held and fixed;
inserting the inner mold into the inner side of the outer mold by using hoisting equipment, and vertically placing the inner mold on the inner mold bearing table surface of the base; at the moment, a larger gap is formed between the outer wall of the inner die and the inner wall of the outer die, and the gap is called as a concrete filling cavity;
sleeving the glass fiber reinforced plastic pipe on the outer side of the inner mold, so that the bottom end of the glass fiber reinforced plastic pipe is also positioned on the bearing table surface of the inner mold; inserting the reinforcement cage into the concrete filling cavity to keep the reinforcement cage at the central position of the concrete filling cavity as much as possible, namely the distance between the reinforcement cage and the inner wall of the outer mold is basically equal to the distance between the reinforcement cage and the outer wall of the glass steel tube;
buckling a centering positioning cover at the top end of the inner mold, adopting a wrench to rotate a screw clockwise to expand the inner mold outwards, and when the outer wall of the inner mold is expanded to be tightly attached to the inner wall of the glass steel tube, supporting legs at the outer side of the centering positioning cover just support and prop against the inner wall of the outer film so as to realize the tight fixing position of the inner mold and the outer mold;
after the working steps are finished, concrete grouting equipment is adopted to perform grouting from the top of the mold to the concrete filling cavity, the grouting scale is limited by the right edge (the lower edge when the outer mold is erected) of the excess material overflow outlet at the upper end of the outer mold, otherwise, concrete slurry can overflow;
after grouting, naturally solidifying for 10-12 hours, and solidifying the concrete and the glass fiber reinforced plastic pipe together to form the prefabricated composite pipe with the concrete outer pipe and the glass fiber reinforced plastic inner pipe.
2. The use method of the prefabricated composite pipe structure mold as claimed in claim 1, wherein the surplus material overflow outlets are rectangular through holes, the surplus material overflow outlets are all arranged on the same circumferential track in parallel, and the right side edge of the surplus material overflow outlet is an effective size limit of the prefabricated composite pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111181066.1A CN113843888B (en) | 2021-10-11 | 2021-10-11 | Prefabricated composite pipe structure mold and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111181066.1A CN113843888B (en) | 2021-10-11 | 2021-10-11 | Prefabricated composite pipe structure mold and using method thereof |
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| Publication Number | Publication Date |
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| CN113843888A CN113843888A (en) | 2021-12-28 |
| CN113843888B true CN113843888B (en) | 2023-04-07 |
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| CN202111181066.1A Active CN113843888B (en) | 2021-10-11 | 2021-10-11 | Prefabricated composite pipe structure mold and using method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115056338B (en) * | 2022-07-15 | 2024-01-19 | 河南淅川平煤三责精密陶瓷有限公司 | Ceramic forming die with adjustable wall thickness and method for preparing ceramic by using die |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR485296A (en) * | 1916-05-05 | 1917-12-27 | Jean Ernest Kiefer | Method of molding poles or other hollow bodies in reinforced concrete or not and material necessary for the implementation of this process |
| US2730783A (en) * | 1950-10-12 | 1956-01-17 | Lock Joint Pipe Co | Apparatus for forming concrete pipes and other hollow bodies |
| CN102632549B (en) * | 2012-04-19 | 2017-04-05 | 江苏邦威机械制造有限公司 | Vertical forming composite glass steel pipe mould |
| CN105171913A (en) * | 2015-09-24 | 2015-12-23 | 江苏华光双顺机械制造有限公司 | High-precision high-working-pressure water delivery pipe steel die and manufacturing method thereof |
| CN205201784U (en) * | 2015-12-03 | 2016-05-04 | 青岛环球集团股份有限公司 | Tube formwork utensil is adjusted to cement |
| CN206085320U (en) * | 2016-08-10 | 2017-04-12 | 深圳市吉凌复合材料科技股份有限公司 | Make vertical vibration steel mould of compound pipe of fibre reinforced plastic concrete |
| CN208323764U (en) * | 2018-06-15 | 2019-01-04 | 重庆大学 | A kind of artificial prefabricated concrete pipe sheet vertical die |
| CN208830444U (en) * | 2018-09-25 | 2019-05-07 | 云南建投第十建设有限公司 | Inspection shaft steel combined template |
| CN209381067U (en) * | 2018-10-31 | 2019-09-13 | 宁夏东方盛达管业有限公司 | Produce the convenient demoulding mould of armored concrete composite glass steel pipe |
| CN209854874U (en) * | 2019-04-01 | 2019-12-27 | 广东景源建设工程有限公司 | Inspection shaft well body pouring template |
| CN110303594B (en) * | 2019-06-24 | 2021-02-12 | 浙江安居筑友科技有限公司 | Combined tubular prefabricated part mold |
| CN210758416U (en) * | 2019-06-24 | 2020-06-16 | 浙江中民筑友科技有限公司 | Tubular prefabricated part mold convenient for demolding |
| CN210791417U (en) * | 2019-07-04 | 2020-06-19 | 湖南省第五工程有限公司 | Apron steel form with hole |
| CN212452779U (en) * | 2020-05-11 | 2021-02-02 | 中投华阳(广州)建设有限公司 | Circular prefabricated inspection shaft assembles template fast |
| CN111894106B (en) * | 2020-08-11 | 2021-07-20 | 安徽兴浩建设有限公司 | Rapid construction method for lightweight template of reinforced concrete cast-in-place circular drainage inspection well |
| CN216181578U (en) * | 2021-10-11 | 2022-04-05 | 阳谷天马建筑材料有限公司 | Prefabricated composite pipe structure mould |
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