Adjustable building structure anti-leakage reserved hole mold and construction method thereof

By adopting a combined structure of fixed steel frame, sheet steel belt and corrugated drainage pipe in the reserved hole mold, the problems of low reuse rate and leakage risks of existing molds are solved, and higher reuse rate and construction are achieved quality.

CN112031411BActive Publication Date: 2025-02-07CHINA MCC5 GROUP CORP LTD
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Patent Information

Application Number
CN202011000712.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-09-22
Publication Date
2025-02-07
Estimated Expiration
2040-09-22

AI Technical Summary

Technical Problem

The reuse rate of existing reserved hole molds is low, resulting in waste of materials and high construction costs, and there are hidden dangers of leakage when pouring concrete.

Method used

The adjustable reserved hole mold consisting of fixed steel frames, sheet steel strips and corrugated drainage pipes improves the mold reuse rate and reduces the risk of leakage by adjusting the mold diameter and external corrugated drainage pipe structure.

Benefits of technology

It improves the reuse rate of molds, reduces material waste and construction costs, and significantly reduces the leakage risks of the structure and improves the construction quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an adjustable anti-leakage reserved hole mold for building structure and a construction method thereof, and relates to the technical field of construction of reserved holes for building structure; the anti-leakage reserved hole mold comprises a fixed steel frame and a corrugated drainage pipe, a sheet steel belt is fixed on one side of the fixed steel frame, and a fastener is arranged on the other side of the fixed steel frame to form a reserved hole mold skeleton; an opening is axially arranged along the side wall of the corrugated drainage pipe, and one side of the opening of the corrugated drainage pipe is fixed on the reserved mold skeleton; the free end of the sheet steel belt on the other side of the opening of the corrugated drainage pipe is rolled into the fixed steel frame, and is fixed to the reserved mold skeleton by the fasteners on the fixed steel frame. By implementing the technical scheme, the technical problems of low reuse rate and large amount of waste of raw materials in the existing reserved hole mold can be effectively solved. At the same time, the corrugated drainage pipe is adopted on the outside of the mold, and the interface is multi-wavy after the structure is completed, which can increase the water seepage path, significantly reduce the hidden danger of structural leakage, and thus improve the construction quality.
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Description

Technical Field

[0001] The invention relates to the technical field of construction of reserved holes in building structures, and more specifically to an adjustable anti-leakage reserved hole mould for building structures and a construction method thereof. Background Art

[0002] In the construction of building structures, hole reservation is a common and crucial construction content. The location and size of the reserved hole directly affect the installation of the later finishing, pipes and materials. However, according to the traditional construction method of reserved hole, the hole reservation deployment will be carried out in advance during the construction stage, and the reserved hole will be deployed according to the size of the reserved hole, and then the large mirror template and steel pipe will be used to support the formwork system. However, this construction method has the following defects: on the one hand, the use of special molds and formwork systems for reserved hole construction has the technical problems of low mold reuse rate, waste of a large amount of raw materials, and high construction cost; on the other hand, the mold fixed by a special device has a good fixing effect, but when pouring concrete, the reserved holes will make the pouring sealing conditions poor, and there is a serious leakage risk. Summary of the invention

[0003] In view of the above technical problems, the purpose of the present invention is to provide an adjustable anti-leakage reserved hole mold for building structures, which aims to effectively solve the technical problems of low reuse rate and large waste of raw materials in existing reserved hole molds, and can be adjusted according to the preset reserved hole size to improve the reuse rate of the mold; at the same time, a corrugated drainage pipe is used on the outside of the mold, and the interface is multi-wavy after the structure is completed, which can increase the seepage path, significantly reduce the risk of structural leakage, and thus improve the construction quality.

[0004] The technical solution adopted by the present invention is as follows:

[0005] An adjustable building structure anti-leakage reserved hole mold, comprising

[0006] A fixed steel frame, a sheet steel belt is fixed on one side of the fixed steel frame, and a fastener is arranged on the side of the fixed steel frame opposite to the sheet steel belt to form a reserved hole mold skeleton;

[0007] A corrugated drain pipe, an opening is axially provided along the side wall of the corrugated drain pipe and runs through the length direction of the corrugated drain pipe, and one side of the opening of the corrugated drain pipe is fixed to the reserved hole mold frame together with a sheet steel strip; the corrugated drain pipe is fixedly connected to the sheet steel strip, and the other side of the opening of the corrugated drain pipe can be freely stretched and rolled with the sheet steel strip and rolled into a fixed steel frame together with the free end of the sheet steel strip, and is fixed to the reserved hole mold frame through fasteners on the fixed steel frame to form a structural anti-leakage structural reserved hole mold capable of adjusting the mold diameter.

[0008] Implementation principle of this technical solution: This technical solution aims at the technical problems of low reuse rate and large waste of raw materials in existing reserved hole molds. Before the construction of the building structure, a structural anti-leakage structural reserved hole mold with adjustable mold diameter is made of a fixed steel frame, a sheet steel belt and a corrugated drainage pipe. One side of the opening of the corrugated drainage pipe is fixed on the fixed steel frame, and the free end of the other side is freely stretched and rolled with the sheet steel belt, and adjusted according to the preset reserved hole size. After the diameter is adjusted, it is rolled into the fixed steel frame with the free end of the sheet steel belt and fixed to the reserved hole mold frame through fasteners, so as to improve the reuse rate of the mold and adapt to the It is used for construction with different reserved hole sizes; at the same time, when the mold is removed after the construction is completed, the sheet steel belt and the corrugated drain pipe can be rolled inward by loosening the fasteners to reduce the mold diameter, and the mold can be easily removed without damaging the reserved hole, thereby improving the construction efficiency and quality of the reserved hole and generating greater economic benefits for the construction unit; further, in the technical solution, a corrugated drain pipe is used on the outside of the mold, and the interface is multi-wavy after the construction of the building structure is completed, which can increase the water seepage path on the one hand, thereby significantly reducing the risk of structural leakage and further improving the construction quality, and on the other hand, it is also convenient for the installation and disassembly of fasteners, and the structural design is ingenious and reasonable.

[0009] As a preferred solution, the fixed steel frame is a straight four-prism structure made of rectangular steel pipes; of course, it is not limited to this. The fixed steel frame can also be made of steel belts into a fixed steel frame structure with relatively parallel panels, so as to achieve the purpose of fixing both sides of the opening of the mold after adjusting the diameter of the mold through the corrugated drainage pipe.

[0010] As a preferred solution, a first side plate is provided on the side of the fixed steel frame welded with a sheet steel strip, and a bent thin sheet steel strip is welded to the upper and lower ends of the first side plate. The sheet steel strip is designed to strengthen the structural strength of the mold without affecting the free extension and winding of the corrugated drainage pipe, and is convenient for cooperating with the design of fasteners to fix the corrugated drainage pipe.

[0011] As a preferred solution, a second side plate is provided on the side of the fixed steel frame where the fastener is provided, and the fastener is provided on the second side plate, so as to improve the installation stability of the fastener.

[0012] As a preferred solution, the fastener includes a nut welded on the second side plate and a fastening screw connected to the nut, and fastening recesses are evenly arranged along the extension direction of the sheet steel strip, so that the fastening screw abuts against the fastening recesses, and the corrugated drain pipe and the sheet steel strip are fixed on the reserved hole mold frame to adjust the diameter of the structural anti-leakage structure reserved hole mold. The fastener structure with the above structure is simple in design, and it cooperates with the fastening recess on the sheet steel strip to form a locking structure for adjusting the mold diameter. It has high structural strength and good fixing effect, and is easy to disassemble and demould.

[0013] As a preferred solution, the corrugated drainage pipe is evenly provided with fixings along the extension direction of the sheet steel belt to fix the corrugated drainage pipe to the sheet steel belt. In this way, the diameter of the reserved hole mold can be adjusted according to the cooperation between the fastening recesses on the sheet steel belt and the fastening screws. At the same time, through the structural design of the corrugated drainage pipe, multiple waves are formed on the structural interface after the concrete pouring of the building structure is completed, thereby improving the structural anti-leakage property.

[0014] As a preferred solution, the fixing member is a rivet.

[0015] As a preferred solution, the corrugated drainage pipe is a PE double-wall corrugated drainage pipe. The use of PE double-wall corrugated drainage pipe is convenient for fastener fixation and connection. At the same time, the material is easy to obtain, which can reduce construction costs. It has excellent properties such as strong pressure resistance and corrosion resistance.

[0016] On the other hand, the present invention also provides a construction method using the above-mentioned adjustable building structure anti-leakage reserved hole mold, and the construction method comprises the following steps:

[0017] S1, making a reserved hole mold frame: first making a fixed steel frame, fixing a sheet steel strip on one side plate of the fixed steel frame, and setting a fastener on a side plate of the fixed steel frame opposite to the sheet steel strip;

[0018] S2, making a mold for the reserved holes of the structure to prevent leakage:

[0019] Cut a section of corrugated drainage pipe, use a cutter to cut an opening along the side wall of the corrugated drainage pipe in the axial direction and through its length, cut one side of the opening into an inclined surface and fix it with a sheet steel strip on the reserved hole mold frame,

[0020] The other parts of the corrugated drainage pipe are fixedly connected with the sheet steel belt;

[0021] The free end of the corrugated drainage pipe fixed with the sheet steel belt is rolled into the fixed steel frame to form a structural leakage-proof structure reserved hole mold;

[0022] S3, fixing the corrugated drain pipe and the sheet steel belt rolled into the fixed steel frame on the mold frame by fasteners, and locking the rolled-in position of the corrugated drain pipe by fasteners to adjust the mold diameter;

[0023] S4, fix the adjusted anti-leakage structure reserved hole mold in or on the structural template, loosen the mold fasteners after the concrete pouring is completed and the demoulding conditions are met, reduce the mold diameter, take out the mold, clean and store it.

[0024] Furthermore, in step S1, a bent thin sheet steel strip with a fastening recess is welded on the upper and lower ends of one side plate of the fixed steel frame, a hole is milled and a nut is welded on the other side plate of the fixed steel frame, and a fastening screw that can be adapted to the fastening recess is installed on the nut as a fastener for fixing the free end of the sheet steel strip.

[0025] As described above, the present invention has at least the following beneficial effects compared with the prior art:

[0026] The adjustable building structure anti-leakage reserved hole mold of the present invention has a simple structure, and can be used to carry out standardized batch production of the mold in advance according to the structural size and position of the reserved hole and the construction progress, thereby improving the construction efficiency. The material is convenient to obtain, the structure is simple and easy to manufacture, and the cost is saved. The existing reserved hole mold has a low reuse rate and wastes a large amount of raw materials. The mold can be adjusted according to the preset reserved hole size to improve the reuse rate of the mold. The present invention uses a fixed steel frame, a sheet steel belt and a corrugated drainage pipe to make a structural anti-leakage structure reserved hole mold capable of adjusting the mold diameter. When the mold is removed after the construction is completed, the sheet steel belt and the corrugated drainage pipe can be rolled inward by loosening the fasteners to reduce the mold diameter. The mold can be easily removed without damaging the reserved hole, thereby improving the construction efficiency and quality of the reserved hole, and generating greater economic benefits for the construction unit. The adjustable anti-leakage reserved hole mold for building structure of the present invention has high structural strength, and the fastener adopts the design of fastening screw with fixing nut structure, and cooperates with the fastening concave on the sheet steel belt to form a lock structure for adjusting the diameter of the mold, with high structural strength and good fixing effect, and easy to disassemble and demould, which is convenient for the installation and removal of the fastener, and the structural design is ingenious and reasonable. The external part of the adjustable anti-leakage reserved hole mold for building structure of the present invention adopts PE double-wall corrugated drainage pipe, so that after the concrete pouring of the building structure is completed, multiple waves are formed on the structural interface, which can increase the seepage path, and can significantly reduce the hidden danger of structural leakage after hanging the hole, improve the anti-leakage property of the structure, and can greatly improve the construction quality. The adjustable anti-leakage reserved hole mold for building structure of the present invention is used for construction, and the mold installation and disassembly are flexible and convenient, the turnover rate is high, the material loss is reduced, and the material cost is low; at the same time, the construction method has high construction efficiency, saves labor, reduces auxiliary materials, improves construction quality, and generates greater economic benefits for the construction unit, and also has greater social benefits, and has a higher value of promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The present invention will be described by way of specific embodiments with reference to the accompanying drawings, in which

[0028] Figure 1 2 is a schematic diagram of the connection of a leak-proof reserved hole mold according to an exemplary embodiment of the present invention;

[0029] Figure 2 In the exemplary embodiment of the present invention Figure 1Schematic diagram of the mold skeleton with reserved holes in the middle;

[0030] Figure 3 In the exemplary embodiment of the present invention Figure 1 Schematic diagram of the connection between the medium corrugated drainage pipe and the mold frame;

[0031] Figure 4 is a schematic top view of a leakage-proof reserved hole mold in an exemplary embodiment of the present invention;

[0032] Figure 5 It is a schematic diagram of construction using the anti-leakage reserved hole mold in an exemplary embodiment of the present invention.

[0033] Explanation of the reference numerals: 1-fixed steel frame; 11-first side plate; 12-second side plate; 2-sheet steel belt; 3-corrugated drainage pipe; 4-nut; 5-fastening screw; 6-fastening recess; 7-rivet; 10-mold; 20-structural template. DETAILED DESCRIPTION

[0034] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0035] Any feature disclosed in this specification (including any additional claims and abstract), unless otherwise stated, may be replaced by other alternative features that are equivalent or have similar purposes. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0036] This embodiment is basically Figures 1 to 4 As shown: the present embodiment provides an adjustable anti-leakage reserved hole mold for building structure, comprising a fixed steel frame 1 and a corrugated drain pipe 3, wherein a sheet steel strip 2 is fixed on one side of the fixed steel frame 1, and a fastener is arranged on the side of the fixed steel frame 1 opposite to the sheet steel strip 2 to form a reserved hole mold skeleton; specifically, the fixed steel frame 1 of the present embodiment is a straight four-prism structure made of rectangular steel pipe, of course, it is not limited to this, and the fixed steel frame 1 can also be made of steel strips into a fixed steel frame 1 structure with relatively parallel panels; in order to facilitate fixing the sheet steel strip 2 on the fixed steel frame 1, as a preferred embodiment of the present embodiment, a first side plate 11 is welded on the side of the fixed steel frame 1 where the sheet steel strip 2 is welded, and a bent thin sheet steel strip 2 is welded on the upper end and the lower end of the first side plate 11, and similarly, a second side plate 12 is welded on the side of the fixed steel frame 1 where the fastener is arranged, and the fastener is arranged on the second side plate 12, so as to improve the installation stability of the fastener.

[0037] An opening is provided along the axial direction of the side wall of the corrugated drainage pipe 3 and runs through the length direction thereof. In this embodiment, a section of PE double-wall corrugated drainage pipe 3 with a diameter of 200 mm is cut, and the double-wall corrugated drainage pipe 3 is cut along the double-wall corrugated drainage pipe 3 with a cutter to form a "C"-shaped structure, and one side of the opening of the corrugated drainage pipe 3 is fixed to the reserved hole mold skeleton together with the sheet steel strip 2; at the same time, the corrugated drainage pipe 3 is fixedly connected to the sheet steel strip 2, and the other side of the opening of the corrugated drainage pipe 3 can be freely stretched and rolled with the sheet steel strip 2 and rolled into the fixed steel frame 1 together with the free end of the sheet steel strip 2, and is fixed to the reserved hole mold skeleton through the fasteners on the fixed steel frame 1 to form a structural anti-leakage structure reserved hole mold capable of adjusting the mold diameter; it can be seen that the design purpose of using the sheet steel strip 2 is to strengthen the structural strength of the mold without affecting the free stretching and rolling of the corrugated drainage pipe 3, and at the same time, it is convenient to cooperate with the design of the fasteners to fix the corrugated drainage pipe 3.

[0038] like Figure 2 and Figure 3 As shown, in order to facilitate the fixing of the corrugated drain pipe 3 on the fixed steel frame 1, the present embodiment cuts the side of the opening of the corrugated drain pipe 3 into an inclined surface, and fixes it to the reserved hole mold frame by using rivets 7. At the same time, fixing parts are evenly arranged on the corrugated drain pipe 3 along the extension direction of the sheet steel strip 2, so that the corrugated drain pipe 3 and the sheet steel strip 2 are fixedly connected and stable. For the convenience of manufacturing, the fixing parts provided in the present embodiment are rivets 7, so that the other parts of the corrugated pipe are anchored and connected to the sheet steel strip 2 on the mold frame by rivets 7; at the same time, combined with Figure 4 As shown, in order to facilitate fixing the free ends of the corrugated drain pipe 3 and the sheet steel strip 2 on the fixed steel frame 1, the fastener provided in this embodiment includes a nut 4 welded on the second side plate 12 and a fastening screw 5 connected to the nut 4, and fastening recesses 6 are evenly arranged along the extension direction of the sheet steel strip 2, so that the corrugated drain pipe 3 and the sheet steel strip 2 are fixed to the reserved hole mold skeleton through the fastening screw 5 and the fastening recess 6. In this way, the diameter of the structural anti-leakage structure reserved hole mold is adjusted by the fastening screw 5 and the fastening recess 6 on the sheet steel strip 2; the fastener structure using the above structure is simple in design, and it cooperates with the fastening recess 6 on the sheet steel strip 2 to form a locking structure for adjusting the mold diameter, with high structural strength and good fixing effect, and it is easy to disassemble and demould; at the same time, the structural design of the double-wall corrugated drain pipe 3 in this embodiment can form multiple waves at the structural interface after the concrete pouring of the building structure is completed, thereby improving the structural anti-leakage property.

[0039] As described above, the present embodiment utilizes a fixed steel frame 1, a sheet steel belt 2 and a corrugated drainage pipe 3 to form a structural anti-leakage structural reserved hole mold capable of adjusting the mold diameter, which can effectively solve the technical problems of low reuse rate and large waste of raw materials in the existing reserved hole mold, and can be adjusted according to the preset reserved hole size to improve the reuse rate of the mold; when the mold is removed after the construction is completed, the sheet steel belt 2 and the corrugated drainage pipe 3 can be rolled inward by loosening the fasteners to reduce the mold diameter, and the mold can be easily removed without damaging the reserved hole, thereby improving the construction efficiency and quality of the reserved hole and generating greater economic benefits for the construction unit; at the same time, the PE double-wall corrugated drainage pipe 3 is used on the outside of the adjustable building structure anti-leakage reserved hole mold of the present embodiment, so that after the concrete pouring of the building structure is completed, multiple waves are formed on the structural interface, which can increase the water seepage path, and can significantly reduce the hidden danger of structural leakage after the hole is hung, improve the structural anti-leakage property, and greatly improve the construction quality.

[0040] on the other hand, Figure 5 The schematic diagram of the installation of the adjustable building structure anti-leakage reserved hole mold 10 according to the exemplary embodiment of the present invention is shown. According to the present invention, this embodiment also provides a construction method using the adjustable building structure anti-leakage reserved hole mold 10, and the construction method includes the following steps:

[0041] S1, making a reserved hole mold skeleton: using rectangular steel to make a fixed steel frame 1 with a straight four-prism structure, fixing a bent thin sheet steel strip 2 with a fastening recess 6 on the upper and lower ends of one side plate of the fixed steel frame 1, milling a hole on the side plate of the fixed steel frame 1 opposite to the sheet steel strip 2 and welding a nut 4, and installing a fastening screw 5 that can be matched with the fastening recess 6 on the nut 4, the nut 4 combined with the fastening screw 5 is used as a fastener for fixing the free end of the sheet steel strip 2;

[0042] S2, making a structural anti-leakage structure reserved hole mold 10:

[0043] Cut a section of PE double-wall corrugated drainage pipe 3 with a diameter of 200mm, use a cutter to cut an opening along the side wall of the corrugated drainage pipe 3 in the axial direction to form a "C"-shaped structure, cut one side of the opening into an inclined surface and fix it to the reserved hole mold frame with the sheet steel belt 2 using rivets 7.

[0044] The other parts of the corrugated drainage pipe 3 are connected to the sheet steel strip 2 by anchoring with rivets 7;

[0045] The free end of the corrugated drainage pipe 3 fixed with the sheet steel belt 2 is rolled into the fixed steel frame 1 to form a structural leakage-proof structure reserved hole mold 10;

[0046] S3, the corrugated drain pipe 3 and the sheet steel strip 2 rolled into the fixed steel frame 1 are fixed to the mold frame by means of the fastening screws 5 and the fastening recesses 6 on the sheet steel strip 2, and the rolled-in position of the corrugated drain pipe 3 is locked by means of the fastening screws 5 corresponding to the fastening recesses 6 at different positions on the sheet steel strip 2, so as to adjust the diameter of the mold 10;

[0047] S4, fix the adjusted anti-leakage structure reserved hole mold 10 in or on the structure template 20, loosen the mold 10 fasteners after the concrete pouring is completed and the demoulding conditions are met, reduce the diameter of the mold 10, take out the mold 10, clean and store it.

[0048] To sum up, the adjustable anti-leakage reserved hole mold 10 for building structure in this embodiment has a simple structure, and can be standardized and batch-produced in advance according to the structural size and position of the reserved hole and the construction progress. It is easy to obtain materials, has a simple structure and is easy to make, which saves costs. It can effectively solve the technical problems of low reuse rate and waste of a large amount of raw materials in the existing reserved hole mold 10; the construction method of this embodiment has high construction efficiency, can effectively improve the construction quality, generate greater economic benefits for the construction unit, and also have greater social benefits, and has a high value of promotion and application.

[0049] The present invention is not limited to the above-mentioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims

1. An adjustable building structure anti-leakage reserved hole mold, characterized by: include A fixed steel frame, a sheet steel belt is fixed on one side of the fixed steel frame, and a fastener is arranged on the side of the fixed steel frame opposite to the sheet steel belt to form a reserved hole mold skeleton; A corrugated drain pipe, wherein an opening is axially provided along the side wall of the corrugated drain pipe and runs through the length direction thereof, and one side of the opening of the corrugated drain pipe is fixed to the pre-reserved hole mold frame together with a sheet steel strip; the corrugated drain pipe is fixedly connected to the sheet steel strip, and the other side of the opening of the corrugated drain pipe can be freely extended and rolled along with the sheet steel strip and rolled into a fixed steel frame together with the free end of the sheet steel strip, and is fixed to the pre-reserved hole mold frame through fasteners on the fixed steel frame, so as to form an anti-leakage structure capable of adjusting the diameter of the pre-reserved hole mold; A first side plate is provided on the side of the fixed steel frame where the sheet steel strip is welded, and a sheet steel strip is welded to the upper end and the lower end of the first side plate respectively; A second side plate is provided on the side of the fixed steel frame where the fastener is provided, and the fastener is provided on the second side plate; The fastener includes a nut welded on the second side plate and a fastening screw connected with the nut, and fastening recesses are evenly arranged along the extension direction of the sheet steel strip, so that the fastening screw abuts against the fastening recesses to fix the corrugated drain pipe and the sheet steel strip on the reserved hole mold frame, which is used to adjust the diameter of the reserved hole mold of the structural anti-leakage structure; The corrugated drainage pipe is evenly provided with fixing parts along the extension direction of the sheet-like steel strip, so that the corrugated drainage pipe is fixedly connected to the sheet-like steel strip.

2. The adjustable building structure anti-leakage reserved hole mold according to claim 1 is characterized in that: The fixed steel frame is a straight four-prism structure made of rectangular steel pipes.

3. The adjustable building structure anti-leakage reserved hole mold according to claim 1 is characterized in that: The fixing piece is a rivet.

4. The adjustable building structure anti-leakage reserved hole mold according to claim 1 is characterized in that: The corrugated drainage pipe is a PE double-wall corrugated drainage pipe.

5. A construction method using the adjustable building structure anti-leakage reserved hole mold according to any one of claims 1 to 4, characterized in that: The construction method comprises the following steps: S1, making a reserved hole mold frame: first making a fixed steel frame, fixing a sheet steel strip on one side plate of the fixed steel frame, and setting a fastener on a side plate of the fixed steel frame opposite to the sheet steel strip; S2, making a mold for the reserved holes of the structure to prevent leakage: Cut a section of corrugated drainage pipe, use a cutter to cut an opening along the side wall of the corrugated drainage pipe in the axial direction and through its length, cut one side of the opening into an inclined surface and fix it with a sheet steel strip on the reserved hole mold frame, The other parts of the corrugated drainage pipe are fixedly connected with the sheet steel belt; The free end of the corrugated drainage pipe fixed with the sheet steel belt is rolled into the fixed steel frame to form a structural leakage-proof structure reserved hole mold; S3, fixing the corrugated drain pipe and the sheet steel belt rolled into the fixed steel frame on the mold frame by fasteners, and locking the rolled-in position of the corrugated drain pipe by fasteners to adjust the mold diameter; S4, fix the adjusted anti-leakage structure reserved hole mold in or on the structural template, loosen the mold fasteners after the concrete pouring is completed and the demoulding conditions are met, reduce the mold diameter, take out the mold, clean and store it.

6. The construction method of the adjustable building structure anti-leakage reserved hole mold according to claim 5 is characterized in that: In step S1, a bent thin sheet steel strip with a fastening recess is welded to the upper and lower ends of one side plate of the fixed steel frame, a hole is milled and a nut is welded on the other side plate of the fixed steel frame, and a fastening screw that can match the fastening recess is installed on the nut as a fastener for fixing the free end of the sheet steel strip.

Citation Information

Patent Citations

  • Adjustable building structure anti-seepage reserved hole mold

    CN212453636U