CN110293621B - Pump station elbow type runner template and use method thereof - Google Patents
Pump station elbow type runner template and use method thereof Download PDFInfo
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- CN110293621B CN110293621B CN201910630580.5A CN201910630580A CN110293621B CN 110293621 B CN110293621 B CN 110293621B CN 201910630580 A CN201910630580 A CN 201910630580A CN 110293621 B CN110293621 B CN 110293621B
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/04—Producing shaped prefabricated articles from the material by tamping or ramming
- B28B1/045—Producing shaped prefabricated articles from the material by tamping or ramming combined with vibrating or jolting
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/14—Producing shaped prefabricated articles from the material by simple casting, the material being neither forcibly fed nor positively compacted
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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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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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
- B28B7/00—Moulds; Cores; Mandrels
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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
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/28—Cores; Mandrels
- B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
- B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
A pump station elbow type runner template and a using method thereof comprise a core mould, supports, angle steel and fillers, wherein a hollow reticular elbow type fluid structure is formed by a plurality of supports with different specifications, the core mould is positioned in the core mould, the outer wall of the inflated core mould is contacted with the supports, the angle steel is arranged at four corners of each support, the fillers are arranged between the arc-shaped corners of the angle steel and the outer wall of the core mould for compacting, and concrete is poured on the outer wall of the inflated core mould to form an elbow type runner. The elbow type runner template of the original pump station solves the problems of inconvenient assembly and disassembly, unrecyclable use, high cost and low assembly efficiency of the elbow type runner template of the original pump station, and has the characteristics of simple structure, convenient assembly and disassembly, high efficiency, low cost, reusability and simple and convenient operation.
Description
Technical Field
The invention belongs to the technical field of runner forming, and relates to a pump station elbow type runner template and a using method thereof.
Background
At present, the elbow type runner templates of the pump station are mainly three types, namely brick molds, wood molds and steel molds. The brick mold is simple in manufacturing material, easy to process and high in repairability. The geometric gravity center of the brick mold is outward, the brick mold is easy to overturn and overturn stably, and the manufacturing and assembling precision is low; the manufacturing is disposable, the dismantling is destructive, the internal support is made of a plurality of materials, the dismantling time is long, and the dismantling is useless.
The wood pattern is simple in manufacturing material, easy to process and high in manufacturing and assembling precision. The wood mold has poor integrity, and the problems of mold running, deviation, floating and the like are easy to occur in the concrete pouring process; the manufacturing is disposable, the dismantling is destructive, the internal support is made of a plurality of materials, the dismantling time is long, and the dismantling is useless.
The steel template has the characteristics of high strength, high combination rigidity, tight abutted seam, difficult deformation, good template integrity and strong shock resistance. Meanwhile, the appearance precision of the steel template is not enough after the steel template is processed and formed, the amount of steel used for processing is large, and the manufacturing cost is high; on the other hand, the elbow-shaped flow channel is mostly a gradual change section, the steel template is disposable, and the template can not be circulated. The form becomes a pile of scrap iron after removal, thereby increasing the manufacturing cost.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a pump station elbow type runner template and a using method thereof, the structure is simple, a hollow reticular elbow type fluid structure is formed by a plurality of supports with different specifications, a core mould is positioned in the core mould, the outer wall of the inflated core mould is contacted with the supports, angle steel is arranged at four corners of each support, fillers are arranged between arc-shaped corners of the angle steel and the outer wall of the core mould, concrete is poured on the outer wall of the inflated core mould to form an elbow type runner, and the elbow type runner template is convenient to install and disassemble, high in efficiency, low in cost, capable of being repeatedly used and simple and convenient to.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a pump station elbow type runner template and a use method thereof comprise a core mould, a bracket, angle steel and filler; the bracket is formed into a hollow variable-diameter elbow structure, the angle steel is positioned at four corners of the bracket, the inflated core mold is positioned in the elbow structure, and a filler is arranged in a gap between the angle steel and the outer wall of the core mold.
The core mold is a hollow rubber body, is in a reducing elbow-shaped structure after being inflated, and two ends of the core mold are sealed.
And an inflation inlet is arranged at the end head of the larger end of the cross section of the core mold.
And an air valve is connected with the inflation inlet.
The support is rectangular ring structure, and the arc-shaped corner of angle steel faces the four corners of support.
The support is axially vertical to the inflated core mold, and the outer wall of the core mold is contacted with the support.
The filler is a solid rubber rod or a hollow rubber rod.
The filler is an air bag or a foam plate.
The use method of the elbow-shaped runner template of the pump station comprises the following steps:
s1, fixing a support, and connecting and fixing the support and channel steel pre-embedded in the elbow-shaped runner; a plurality of brackets with different sizes and channel steel are fixed to form a net-shaped elbow structure;
s2, fixing angle steel, welding the angle steel on the pre-buried channel steel, wherein the arc-shaped corners of the angle steel face to the four corners of the support;
s3, pouring a runner bottom plate, pouring concrete into the runner bottom plate, vibrating and leveling, and maintaining for 48 hours;
s4, trial inflation is carried out, the core mold is placed on a flat ground, and the air valve is communicated with an exhaust pipe of an air compressor; opening an air valve to communicate with the core mold, closing an air compressor power supply, inflating the core mold by the air compressor during operation, and disconnecting the air compressor power supply after the core mold is formed;
s5, checking, namely, sprinkling water on the surface of the core mold, or immersing the core mold into a water body, wherein when no bubble is generated, the core mold is intact; opening an air valve for exhausting;
s6, placing a core mould, enabling the end with the smaller section of the core mould qualified through inspection to face the port with the larger section of the elbow-shaped runner, binding the core mould by adopting a white palm rope, and gradually pushing and pulling the core mould into the runner;
s7, inflating for shaping, and communicating the air valve with the exhaust pipe of the air compressor again; opening an air valve to communicate with the core mold, closing an air compressor power supply, inflating the core mold by the air compressor during working, and disconnecting the air compressor power supply when the core mold is formed and the pressure value on the air valve is in a constant state and does not rise any more; the core mould is positioned in the reticular elbow-shaped structure, and the outer wall of the core mould is contacted with the bracket;
s8, fixing the core mould, arranging baffle plates at the ports at the two ends of the elbow-shaped runner to prevent the core mould from protruding outwards after being pressed;
s9, filling, namely filling a solid rubber rod, a hollow rubber rod, an air bag or a foam board between the angle steel and the inner wall of the inflated core mold to make the angle steel compact;
s10, casting and forming, namely casting concrete on the outer wall of the core mold, simultaneously vibrating from two sides of the flow channel by using an inserted vibrating rod, and curing for 48 hours after casting;
s11, detaching the mold, opening the air valve and exhausting the air in the core mold; disassembling a baffle plate at the port of the elbow-shaped runner; extracting the exhausted core mold; and (4) washing the surface of the core mold.
A pump station elbow type runner template and a use method thereof comprise a core mould, a bracket, angle steel and filler; the angle steel is positioned at four corners of the bracket, the inflated core mold is positioned in the elbow structure, and a filler is arranged in a gap between the angle steel and the outer wall of the core mold. Simple structure constitutes cavity netted elbow type fluid structure through the support of a plurality of different specifications, and the mandrel is located inside, and the mandrel outer wall after aerifing contacts with the support, and the four corners that is located the support sets up the angle steel, and is closely knit through setting up the filler between angle steel arc turning and mandrel outer wall, pours concrete through the mandrel outer wall after aerifing and forms the elbow type runner, and the installation is dismantled conveniently, and is efficient, with low costs, repeatedly usable, and easy operation is convenient.
In a preferred scheme, the core mold is a hollow rubber body, is in a reducing elbow-shaped structure after being inflated, and two ends of the core mold are closed. The structure is simple, before the use, the core mould made of hollow rubber is in an uninflated state, the core mould is in an elbow-shaped structure with variable diameters after being inflated, concrete is positioned on the outer wall for pouring to form an elbow-shaped runner, the core mould is extracted after the runner is stably formed and then exhausted, the installation and the disassembly are convenient and rapid, and the core mould can be repeatedly utilized.
In a preferred scheme, an inflation inlet is arranged at the end head of the larger cross section end of the core mold. The structure is simple, when in use, the inflation inlet is utilized to inflate the cavity of the core mould, after inflation, the core mould is provided with a stable elbow-shaped structure, the inflation inlet is arranged at the end with the larger cross section of the core mould, the operation space is large, and the operation is convenient.
In a preferred scheme, a gas valve is connected with the inflation port. The structure is simple, when the air valve is used, the air valve is connected with the exhaust pipe of the air compressor, the air compressor is used for inflating the core mold, the connection is convenient and fast, and the air exhaust is convenient.
In a preferred scheme, the support is a rectangular annular structure, and the arc-shaped corners of the angle steel face the four corners of the support. Simple structure, during the installation, the support four corners that is located the rectangle structure sets up the angle steel, and the curved turning of angle steel is connected fixedly with pre-buried channel-section steel towards the four corners of support, pours the back, forms rounding off in the elbow type runner.
In a preferred scheme, the bracket is perpendicular to the axial direction of the inflated core mould, and the outer wall of the core mould is in contact with the bracket. The structure is simple, during installation, the center of the bracket with the rectangular structure is perpendicular to the axis of the inflated core mold, and is in contact with the core mold, so that the radial expansion amount of the core mold is restrained, the overall structure strength is improved, and the bracket is not easy to deform during pouring and vibrating.
In a preferred embodiment, the filler is a solid rubber rod or a hollow rubber rod. Simple structure, during the use, the space that is located between angle steel arc turning and the mandrel outer wall needs to be filled, avoids pouring back elbow type runner irregular, adopts solid rubber stick to fill in the space of keeping away from the mandrel outer wall, and the space that is close to the mandrel outer wall adopts hollow rubber stick, and structural strength is high.
In a preferred embodiment, the filler is an air bag or a foam board. The angle iron core mould has the advantages of simple structure, good compactness and smooth transition after pouring due to the fact that the air bag or the foam board is filled in the gap between the arc-shaped corner of the angle iron and the outer wall of the core mould.
In a preferred scheme, the use method of the elbow-type runner template of the upper pump station comprises the following steps:
s1, fixing a support, and connecting and fixing the support and channel steel pre-embedded in the elbow-shaped runner; a plurality of brackets with different sizes and channel steel are fixed to form a net-shaped elbow structure;
s2, fixing angle steel, welding the angle steel on the pre-buried channel steel, wherein the arc-shaped corners of the angle steel face to the four corners of the support;
s3, pouring a runner bottom plate, pouring concrete into the runner bottom plate, vibrating and leveling, and maintaining for 48 hours;
s4, trial inflation is carried out, the core mold is placed on a flat ground, and the air valve is communicated with an exhaust pipe of an air compressor; opening an air valve to communicate with the core mold, closing an air compressor power supply, inflating the core mold by the air compressor during operation, and disconnecting the air compressor power supply after the core mold is formed;
s5, checking, namely, sprinkling water on the surface of the core mold, or immersing the core mold into a water body, wherein when no bubble is generated, the core mold is intact; opening an air valve for exhausting;
s6, placing a core mould, enabling the end with the smaller section of the core mould qualified through inspection to face the port with the larger section of the elbow-shaped runner, binding the core mould by adopting a white palm rope, and gradually pushing and pulling the core mould into the runner;
s7, inflating for shaping, and communicating the air valve with the exhaust pipe of the air compressor again; opening an air valve to communicate with the core mold, closing an air compressor power supply, inflating the core mold by the air compressor during working, and disconnecting the air compressor power supply when the core mold is formed and the pressure value on the air valve is in a constant state and does not rise any more; the core mould is positioned in the reticular elbow-shaped structure, and the outer wall of the core mould is contacted with the bracket;
s8, fixing the core mould, arranging baffle plates at the ports at the two ends of the elbow-shaped runner to prevent the core mould from protruding outwards after being pressed;
s9, filling, namely filling a solid rubber rod, a hollow rubber rod, an air bag or a foam board between the angle steel and the inner wall of the inflated core mold to make the angle steel compact;
s10, casting and forming, namely casting concrete on the outer wall of the core mold, simultaneously vibrating from two sides of the flow channel by using an inserted vibrating rod, and curing for 48 hours after casting;
s11, detaching the mold, opening the air valve and exhausting the air in the core mold; disassembling a baffle plate at the port of the elbow-shaped runner; extracting the exhausted core mold; and (4) washing the surface of the core mold. The method has the advantages of simple and convenient operation, high efficiency, reusable core mold and environmental protection.
A pump station elbow type runner template and a using method thereof comprise a core mould, supports, angle steel and fillers, wherein a hollow reticular elbow type fluid structure is formed by a plurality of supports with different specifications, the core mould is positioned in the core mould, the outer wall of the inflated core mould is contacted with the supports, the angle steel is arranged at four corners of each support, the fillers are arranged between the arc-shaped corners of the angle steel and the outer wall of the core mould for compacting, and concrete is poured on the outer wall of the inflated core mould to form an elbow type runner. The elbow type runner template of the original pump station solves the problems of inconvenient assembly and disassembly, unrecyclable use, high cost and low assembly efficiency of the elbow type runner template of the original pump station, and has the characteristics of simple structure, convenient assembly and disassembly, high efficiency, low cost, reusability and simple and convenient operation.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of fig. 1.
Fig. 3 is a schematic cross-sectional structure of the present invention.
In the figure: the core mould comprises a core mould 1, an inflation inlet 11, an air valve 12, a bracket 2, angle steel 3 and filler 4.
Detailed Description
As shown in fig. 1 to 3, a pump station elbow type runner template and a use method thereof comprise a core mold 1, a bracket 2, angle steel 3 and filler 4; a plurality of bracket 2 constitutes the elbow type structure of cavity reducing, and angle steel 3 is located the four corners of bracket 2, and core mould 1 after aerifing is located the elbow type structure, is located the space between angle steel 3 and the 1 outer wall of core mould and sets up filler 4. Simple structure constitutes the netted elbow type fluid structure of cavity through the support 2 of a plurality of different specifications, and mandrel 1 is located inside it, 1 outer wall of inflated mandrel and support 2 contact, and the four corners that is located support 2 sets up angle steel 3, and is closely knit through setting up filler 4 between 3 arc turnings of angle steel and 1 outer wall of mandrel, pours the concrete through 1 outer wall of mandrel after aerifing and forms the elbow type runner, and the installation is dismantled conveniently, and is efficient, and is with low costs, but reuse, and easy operation is convenient.
In a preferred scheme, the core mold 1 is a hollow rubber body, is in a reducing elbow-shaped structure after being inflated, and is sealed at two ends. Simple structure, before using, the mandrel 1 of cavity rubber material is in the uninflated state, is the elbow type structure of reducing after aerifing, and the concrete is located the outer wall and pours, forms the elbow type runner, and the runner shaping is stable after, and the core die 1 is taken out in the exhaust again, and installation dismantlement convenient and fast, core die 1 repeatedly usable.
In a preferable scheme, an inflation port 11 is arranged at the end head of the larger cross section end of the core mold 1. The structure is simple, when in use, the inflation inlet 11 is used for inflating the cavity of the core mould 1, after inflation, the core mould 1 has a stable elbow structure, the inflation inlet 11 is arranged at the end with the larger cross section of the core mould 1, the operation space is large, and the operation is convenient.
In a preferred scheme, an air valve 12 is connected with the inflation port 11. Simple structure, during the use, pneumatic valve 12 is connected with the blast pipe of air compressor machine, utilizes the air compressor machine to aerify in the mandrel 1, connects convenient and fast, is convenient for exhaust.
Preferably, the air valve 12 is provided with a barometer, and when the barometer is inflated, the core mold 1 is filled with air to form an elbow-shaped structure after the pressure value of the barometer is constant.
In the preferred scheme, the support 2 is a rectangular annular structure, and the arc-shaped corners of the angle steel 3 face the four corners of the support 2. Simple structure, during the installation, be located 2 four corners of support of rectangle structure and set up angle steel 3, the curved turning of angle steel 3 is connected fixedly with pre-buried channel-section steel towards the four corners of support 2, pours the back, forms the rounding off in the elbow type runner.
In a preferred scheme, the support 2 is axially vertical to the inflated core mould 1, and the outer wall of the core mould 1 is in contact with the support 2. Simple structure, during the installation, the axis of the mandrel 1 after the support 2 of rectangle structure's center perpendicular to aerifys contacts with mandrel 1, retrains mandrel 1 radial expansion volume, improves overall structure intensity simultaneously, when pouring the vibration, non-deformable.
In a preferred embodiment, the filler 4 is a solid rubber rod or a hollow rubber rod. Simple structure, during the use, the space that is located between 3 arc turnings of angle steel and the 1 outer wall of mandrel needs to be filled, avoids pouring back elbow type runner irregular, adopts solid rubber stick to fill in the space of keeping away from 1 outer wall of mandrel, and the space that is close to 1 outer wall of mandrel adopts hollow rubber stick, and structural strength is high.
In a preferred embodiment, the filler 4 is an air bag or a foam board. The structure is simple, the air bag or the foam board is filled in the gap between the arc-shaped corner of the angle steel 3 and the outer wall of the core die 1, the compactness is good, and the transition is smooth after the pouring.
In a preferred embodiment, the method for using the elbow-type flow channel form of the pump station comprises the following steps:
s1, fixing a support, and connecting and fixing the support 2 and channel steel pre-embedded in the elbow-shaped runner; a plurality of brackets 2 with different sizes and channel steel are fixed to form a net-shaped elbow structure;
s2, fixing angle steel, welding the angle steel 3 on the pre-buried channel steel, wherein the arc-shaped corners face the four corners of the support 2;
s3, pouring a runner bottom plate, pouring concrete into the runner bottom plate, vibrating and leveling, and maintaining for 48 hours;
s4, trial inflation is carried out, the core mold 1 is placed on a flat ground, and the air valve 12 is communicated with an exhaust pipe of an air compressor; opening an air valve 12 to be communicated with the core mold 1, closing an air compressor power supply, inflating the core mold 1 by the air compressor when the air compressor works, and disconnecting the air compressor power supply after the core mold 1 is molded;
s5, checking, namely, sprinkling water on the surface of the core mould 1, or immersing the core mould 1 into a water body, wherein when no bubble is generated, the core mould is intact; opening the air valve 12 for exhausting;
s6, placing a core die, enabling the smaller end of the section of the core die 1 qualified through inspection to face a port with a larger cross section of the elbow-shaped runner, binding the core die 1 by adopting a white palm rope, and gradually pushing and pulling the core die into the runner;
s7, inflating for shaping, and communicating the air valve 12 with the exhaust pipe of the air compressor again; opening an air valve 12 to be communicated with the core mold 1, closing an air compressor power supply, inflating the core mold 1 by the air compressor when the air compressor works, and disconnecting the air compressor power supply when the core mold 1 is molded and the pressure value on the air valve 12 is in a constant state and does not rise any more; the core mould 1 is positioned in the reticular elbow structure, and the outer wall of the core mould is contacted with the bracket 2;
s8, fixing the core mould, arranging baffle plates at the ports at the two ends of the elbow-shaped flow passage to prevent the core mould 1 from protruding outwards after being pressed;
s9, filling, namely filling a solid rubber rod, a hollow rubber rod, an air bag or a foam board between the angle steel 3 and the inner wall of the inflated core mold 1 to make the angle steel compact;
s10, casting and forming, namely casting concrete on the outer wall of the core die 1, simultaneously vibrating from two sides of the flow channel by using an inserted vibrating rod, and curing for 48 hours after casting;
s11, detaching the mold, opening the air valve 12 and discharging the air in the core mold 1; disassembling a baffle plate at the port of the elbow-shaped runner; the core mold 1 after the air exhaust is drawn out; the surface of the core mold 1 is washed. The method has the advantages of simple and convenient operation, high efficiency, reutilization of the core mould 1 and environmental protection.
According to the pump station elbow type runner template and the using method, when the pump station elbow type runner template is installed and used, the plurality of supports 2 with different specifications form a hollow reticular elbow type fluid structure, the core mould 1 is located inside the core mould, the outer wall of the inflated core mould 1 is in contact with the supports 2, the angle steel 3 is arranged at four corners of each support 2, the filler 4 is densely arranged between the arc-shaped corner of each angle steel 3 and the outer wall of the core mould 1, the elbow type runner is formed by pouring concrete on the outer wall of the inflated core mould 1, and the pump station elbow type runner template is convenient to install and disassemble, high in efficiency, low in cost, capable.
Before the use, the hollow rubber core mould 1 is in an uninflated state, and is in a reducing elbow-shaped structure after being inflated, concrete is positioned on the outer wall for pouring to form an elbow-shaped runner, and after the runner is stably formed, the concrete is exhausted and drawn out of the core mould 1, so that the installation and the disassembly are convenient and rapid, and the core mould 1 can be recycled.
When in use, the inflation inlet 11 is used for inflating the cavity of the core mould 1, after inflation, the core mould 1 has a stable elbow structure, the inflation inlet 11 is arranged at one end with a larger cross section of the core mould 1, the operation space is large, and the operation is convenient.
When the air valve 12 is used, the air valve is connected with an exhaust pipe of an air compressor, the air compressor is used for inflating the core mold 1, and the connection is convenient and quick, and the air exhaust is convenient.
During installation, angle steel 3 is arranged at four corners of the support 2 with the rectangular structure, the arc-shaped corners of the angle steel 3 are fixedly connected with the embedded channel steel towards the four corners of the support 2, and smooth transition is formed in the elbow-shaped flow channel after pouring.
During installation, the center of the bracket 2 with a rectangular structure is perpendicular to the axis of the inflated core mold 1, contacts with the core mold 1, restrains the radial expansion amount of the core mold 1, improves the overall structural strength, and is not easy to deform during pouring and vibrating.
When the elbow type pouring core mold is used, a gap between the arc-shaped corner of the angle steel 3 and the outer wall of the core mold 1 needs to be filled, the irregular elbow type flow channel after pouring is avoided, the gap far away from the outer wall of the core mold 1 is filled with a solid rubber rod, the gap close to the outer wall of the core mold 1 is filled with a hollow rubber rod, and the structural strength is high.
The air bag or the foam board is filled in the gap between the arc-shaped corner of the angle steel 3 and the outer wall of the core die 1, so that the compactness is good, and the transition is smooth after pouring.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (8)
1. The utility model provides a pump station elbow type runner template which characterized by: the steel pipe formwork comprises a core mould (1), a bracket (2), angle steel (3) and filler (4); the hollow reducing elbow structure is formed by the plurality of brackets (2), angle steel (3) is positioned at four corners of the brackets (2), the inflated core mold (1) is positioned in the elbow structure, and filler (4) is arranged in a gap between the angle steel (3) and the outer wall of the core mold (1);
the elbow-shaped structure is net-shaped;
the core mold (1) is in a reducing elbow structure after being inflated;
the arc-shaped corners of the angle steel (3) face the four corners of the bracket (2);
the using method comprises the following steps:
s1, fixing a support, and connecting and fixing the support (2) with channel steel pre-embedded in the elbow-shaped runner; a plurality of brackets (2) with different sizes and channel steel are fixed to form a net-shaped elbow structure;
s2, fixing angle steel, welding the angle steel (3) on the pre-buried channel steel, wherein the arc-shaped corners of the angle steel face the four corners of the support (2);
s3, pouring a runner bottom plate, pouring concrete into the runner bottom plate, vibrating and leveling, and maintaining;
s4, trial inflation is carried out, the core mold (1) is placed on a flat ground, and the air valve (12) is communicated with an exhaust pipe of an air compressor; opening an air valve (12) to be communicated with the core mold (1), closing an air compressor power supply, inflating the core mold (1) by the air compressor when the air compressor works, and disconnecting the air compressor power supply after the core mold (1) is molded;
s5, checking, namely, sprinkling water on the surface of the core mould (1), or immersing the core mould (1) into a water body, wherein when no bubble is generated, the core mould is intact; opening the air valve (12) for exhausting;
s6, placing a core mould, enabling the smaller end of the section of the core mould (1) qualified through inspection to face the port with the larger cross section of the elbow-shaped runner, binding the core mould (1) by adopting a white palm rope, and gradually pushing and pulling the core mould into the runner;
s7, inflating and forming, and communicating the air valve (12) with an exhaust pipe of the air compressor again; opening an air valve (12) to be communicated with the core mold (1), closing an air compressor power supply, inflating the core mold (1) by the air compressor when the air compressor works, and disconnecting the air compressor power supply when the core mold (1) is molded and the pressure value on the air valve (12) is in a constant state and does not rise any more; the core mould (1) is positioned in the reticular elbow-shaped structure, and the outer wall of the core mould is contacted with the bracket (2);
s8, fixing the core mould, arranging baffle plates at the ports at the two ends of the elbow-shaped runner to prevent the core mould (1) from protruding outwards after being pressed;
s9, filling, namely filling a solid rubber rod, a hollow rubber rod, an air bag or a foam board between the angle steel (3) and the inner wall of the inflated core mold (1) to compact the angle steel;
s10, casting and forming, namely casting concrete on the outer wall of the core mould (1), simultaneously vibrating from two sides of the flow channel by using an inserted vibrating rod, and curing after casting;
s11, detaching the mold, opening the air valve (12) and discharging the air in the core mold (1); disassembling a baffle plate at the port of the elbow-shaped runner; the core mold (1) after the air exhaust is extracted; and (3) flushing the surface of the core mould (1).
2. The pump station elbow channel template of claim 1, wherein: the core mold (1) is a hollow rubber body, and two ends of the core mold are sealed.
3. The pump station elbow channel form of claim 2, wherein: the end of the larger end of the cross section of the core mould (1) is provided with an inflation inlet (11).
4. The pump station elbow channel form of claim 3, wherein: an air valve (12) is connected with the inflation inlet (11).
5. The pump station elbow channel template of claim 1, wherein: the support (2) is of a rectangular annular structure.
6. The pump station elbow channel form of claim 5, wherein: the support (2) is axially vertical to the inflated core mold (1), and the outer wall of the core mold (1) is in contact with the support (2).
7. The pump station elbow channel template of claim 1, wherein: the filler (4) is a solid rubber rod or a hollow rubber rod.
8. The pump station elbow channel template of claim 1, wherein: the filler (4) is an air bag or a foam board.
Priority Applications (1)
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