CN115596206A - Method and structure for reserving and plugging floor opening and template frame - Google Patents

Abstract

The application provides a method and a structure for reserving and plugging a floor opening and a template frame. The structure includes a plurality of first plane templates, the switching template, pre-buried subassembly, the reinforcing bar, second plane template and bracing piece, a plurality of first plane templates splice mutually and form one and have the plane of pouring of entrance to a cave, a plurality of switching templates splice along the edge of entrance to a cave mutually, every switching template has the backstop face, backstop face perpendicular to pours the plane, pre-buried subassembly includes pre-buried cover and the screw rod that the screw thread links to each other, a plurality of reinforcing bars distribute in pour plane top and be on a parallel with pour the plane, the reinforcing bar can upwards buckle along the backstop face in backstop face department, a plurality of second plane templates splice in switching template inboard in order to form the shutoff plane the same with the area of entrance to a cave, first plane template and second plane template can be supported to a plurality of bracing pieces, and can height-adjusting, aim at the installation effectiveness who promotes the template, promote size precision and avoid extra special treatment, and then can promote the operating efficiency.

Description

Method and structure for reserving and plugging floor opening and template frame

Technical Field

The application relates to the field of buildings, in particular to a method and a structure for reserving and plugging a floor opening and a template frame.

Background

At present, along with the gradual popularization of pull-tab type aluminum alloy templates, more and more projects such as super high-rise office buildings use the aluminum templates, but due to the construction requirements of super high-rise buildings, a large-scale hole must be reserved firstly to install large-scale equipment such as a tower crane or a material distributor during floor pouring, and then cement is used for plugging the hole in the later period. In traditional operation mode, adopt plank sheathing direct mount to come the shutoff entrance to a cave in the bottom surface of floor usually, then pour cement again and fill the entrance to a cave and level up, but this mode exists template mounting efficiency low, and is unfavorable for the size precision control of template to come the size of adaptation entrance to a cave, in addition, the cement interception of entrance to a cave department in traditional shutoff mode still needs additionally to adopt the wire net to do special treatment, leads to the operating efficiency low.

Disclosure of Invention

In view of the above, there is a need to provide a method and a structure for reserving and plugging a floor opening, and a formwork frame, which are capable of improving the installation efficiency of a formwork, improving the dimensional accuracy, and avoiding additional special processing, thereby improving the operation efficiency.

An embodiment of the application provides a method for reserving and plugging a floor hole, which comprises the following steps:

supporting the first plane formworks to the floor height through the first support rods, wherein the plate surfaces of the first plane formworks face upwards and are horizontally spliced to form a pouring plane with a hole;

splicing a plurality of adapter templates to a first plane template along the edge of the opening, wherein a stop surface is arranged on one side of each adapter template, which is far away from the opening, and the stop surfaces are vertical to the pouring plane;

installing a pre-buried assembly on the switching template, wherein the pre-buried assembly comprises a pre-buried sleeve and a screw rod which are connected through threads, the pre-buried sleeve is positioned on one side, away from the hole, of the stop surface, and the screw rod penetrates through the stop surface;

horizontally laying a plurality of steel bars above the pouring plane, and bending the steel bars extending to the stop surface upwards;

pouring cement above the pouring plane until the cement submerges the horizontal reinforcing steel bars and the embedded sleeves, wherein the stop surface can stop the cement from entering the opening, so that a floor with the opening is formed after the cement is solidified;

removing the first support rod and the first plane template, and reserving the switching template and the embedded assembly, wherein the embedded assembly is used for keeping the connection between the switching template and the floor;

after the hole is used, a plurality of second plane templates are supported through a plurality of second supporting rods and are spliced and connected with the switching template, so that the second plane templates and the top surface of the switching template form a plugging plane together to fill the hole;

the screw is removed to release the connection between the switching template and the floor;

adjusting the height of the second support rod to enable the second plane template and the switching template to descend together until the plugging plane is flush with the bottom surface of the floor;

straightening the bent reinforcing steel bars to the opening, pouring cement into the opening, enabling the plugging plane to support the cement in the opening, and plugging the opening after the cement is solidified so as to enable the floor to be complete; and

and removing the second support rod, the adapter plate and the second plane template.

According to the floor hole reservation and plugging method, the switching template is installed in advance at the floor hole, reservation and use of the hole are not affected, the second planar template can be directly installed on the switching template during subsequent hole plugging, installation efficiency and accuracy control of the second planar template are improved, extra special processing is avoided, and overall operation efficiency is achieved.

An embodiment of the application also provides a reservation and block structure of floor entrance to a cave, including a plurality of first plane templates, switching template, pre-buried subassembly, reinforcing bar, second plane template and bracing piece. The surfaces of the first plane formworks face upwards and are spliced together along the horizontal direction to form a pouring plane with a hole. The plurality of the switching templates are spliced along the edge of the opening and connected to the first plane template, one side of each switching template, which is far away from the opening, is provided with a stop surface, and the stop surfaces are vertically connected to the pouring plane. The pre-buried subassembly includes pre-buried cover and the screw rod that the screw thread links to each other, and pre-buried cover is located the one side that the backstop face deviates from the entrance to a cave, and the screw rod passes the backstop face. A plurality of reinforcing bars distribute in and pour the plane top and be on a parallel with and pour the plane, and the reinforcing bar can be followed the backstop face and upwards buckled in backstop face department. The surfaces of the second plane templates face upwards and are spliced on the inner sides of the adapter templates along the horizontal direction to form blocking planes with the same area as the holes. The plurality of support rods can support the first plane template and the second plane template and can adjust the height of the second plane template.

In some embodiments, each adapter template further has a horizontal pouring surface and a vertical connecting surface, the horizontal pouring surface is vertically connected to one side of the stop surface facing the opening, the vertical connecting surface is connected to the bottom of the horizontal pouring surface, the vertical connecting surface is used for connecting the side wall of the second planar template, and the surface of the second planar template is flush with the horizontal pouring surface to form a blocking plane together.

In some embodiments, sealing plates are arranged at two ends of each adapter template, and the sealing plates are vertically connected with the stop surfaces, the horizontal pouring surfaces and the vertical connecting surfaces.

In some embodiments, the stop surface is provided with a first connecting hole and a through hole, the first connecting hole is used for aligning with a hole on the side wall of the first planar template to connect the adapter template to the first planar template, the through hole is used for penetrating the screw rod, the vertical connecting surface is provided with a second connecting hole, the second connecting hole is used for aligning with a hole on the side wall of the second planar template to connect the second planar template to the adapter template, and the sealing plate is provided with a third connecting hole to connect the adjacent adapter templates.

In some embodiments, the length of the adaptor template extends along a straight line or along a right angle to close off a rectangular opening.

In some embodiments, the end of the screw rod, which faces away from the embedded sleeve, is provided with a pull ring.

In some embodiments, the fastener inserts further include a washer through which the threaded rod passes, the washer being located between the pull ring and the adapter template.

In some embodiments, the stop surface is provided with a plurality of avoiding grooves, the avoiding grooves are vertically arranged, and each avoiding groove is used for accommodating the bent part of one reinforcing steel bar.

This application embodiment still provides a template frame, including wall template and the reservation and the block structure of the floor entrance to a cave in above-mentioned arbitrary embodiment, the vertical setting of wall template is used for pouring vertical wall body, and first plane template is connected in wall template.

The template frame provided by the scheme also achieves the purpose of improving the reserving and plugging efficiency of the floor hole through the reserving and plugging structure of the floor hole.

Drawings

Fig. 1 is a perspective view of a part of a structure in a structure for reserving and blocking a floor opening according to an embodiment of the present application.

Fig. 2 is a perspective view of a part of the structure of the reserved and blocking structure of the floor opening in an embodiment of the present application.

Fig. 3 is a perspective view of a part of the structure of the reserved and blocking structure of the floor opening in an embodiment of the present application.

Fig. 4 is a perspective view of a part of the structure of the reserved and blocking structure of the floor opening in an embodiment of the present application.

Fig. 5 is a perspective view of a part of the structure of the reserved and blocking structure of the floor opening in an embodiment of the present application.

Fig. 6 is a perspective view of a part of the structure of the reserved and blocking structure of the floor opening in an embodiment of the present application.

Fig. 7 is a perspective view of an adapter template according to an embodiment of the present application.

Fig. 8 is a perspective view of an adapter template according to an embodiment of the present application.

Fig. 9 is a perspective view of a fastener driving assembly according to an embodiment of the present application.

Fig. 10 is a cross-sectional view of a part of the structure in the floor hole reservation and plugging structure according to an embodiment of the present application.

Fig. 11 is a cross-sectional view of a part of the structure of the floor hole reserving and blocking structure in an embodiment of the present application.

Fig. 12 is a cross-sectional view of a part of the structure in the floor hole reservation and plugging structure according to an embodiment of the present application.

Fig. 13 is a cross-sectional view of a part of the structure in the floor hole reservation and plugging structure according to an embodiment of the present application.

Fig. 14 is a cross-sectional view of a part of the structure in the floor hole reserving and blocking structure in an embodiment of the present application.

Fig. 15 is a cross-sectional view of a part of the structure in the floor hole reservation and plugging structure according to an embodiment of the present application.

Fig. 16 is a cross-sectional view of a portion of a structure in a floor opening reservation and plugging structure in accordance with an embodiment of the present invention.

Fig. 17 is a cross-sectional view of a part of the structure in the floor hole reservation and plugging structure according to an embodiment of the present application.

Fig. 18 is a cross-sectional view of a portion of a structure in a floor opening reservation and plugging structure in accordance with an embodiment of the present application.

Fig. 19 is a flowchart of a method for reserving and plugging a floor opening according to an embodiment of the present application.

Description of the main elements

Reservation and block structure 100 of floor entrance to a cave

Floor 200

Hole 300

First support bar 10

First planar template 20

Pouring plane A

Adapter template 30

Stop surface 31

First connection hole 31a

Through hole 31b

Horizontal casting surface 32

Vertical joint face 33

Second connection hole 33a

Closure plate 34

Third connecting hole 34a

Embedded assembly 40

Embedded sleeve 41

Screw 42

Pull ring 42a

Spacer 43

Reinforcing bar 50

Second planar template 60

Second support bar 70

Plugging plane B

Detailed Description

The technical solutions of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following embodiments, features of the embodiments may be combined with each other without conflict.

The embodiment of the present application provides a floor hole reservation and plugging structure 100, as shown in fig. 1 to 18, for when pouring a floor 200, a hole 300 is reserved first, and then the hole 300 is plugged at a later stage to restore a complete floor 200. The reserved and blocking structure 100 of the floor opening comprises a plurality of first support rods 10, a first planar formwork 20, a transfer formwork 30, a pre-embedded assembly 40, a reinforcing steel bar 50, a second planar formwork 60 and a second support rod 70. The plurality of first plane templates 10 are used for being spliced together along the horizontal direction to form a pouring plane a with an opening. A plurality of adapter templates 30 can be spliced along the edges of opening 300 and attached to first planar template 20. The side of each adapter template 30 facing away from the opening 300 has a stop surface 31, the stop surface 31 being perpendicular to the casting plane a. The embedded assembly 40 comprises an embedded sleeve 41 and a screw rod 42 which are connected through a thread, the embedded sleeve 41 is located on one side of the stop surface 31, which is far away from the opening 300, and is embedded in the floor 200, and the screw rod 42 penetrates through the stop surface 31 and is connected with the embedded sleeve 41. The reinforcing steel bars 50 can be vertically distributed above the pouring plane A in a staggered manner and are parallel to the pouring plane A, and the reinforcing steel bars 50 can be vertically bent upwards along the stop surface 31 at the position blocked by the stop surface 31. The plurality of second planar templates 60 are used for being spliced on the inner side of the adapter template 30 along the horizontal direction, and the blocking planes B with the same area as the opening 300 are formed by the second planar templates 60 and the top surface of the adapter template 30 together. First support bar 10 and second support bar 70 can support first planar formwork 20 and second planar formwork 60, and can adjust the height of first planar formwork 20 and second planar formwork 60.

The embodiment of the application further provides a method for reserving and plugging a floor opening, as shown in fig. 19, which is used for reserving and plugging a structure 100 for reserving and plugging the floor opening to realize that when a floor 200 is poured, a hole 300 is reserved first, and then the hole 300 is plugged at a later stage to restore the complete floor 200. The method for reserving and plugging the floor hole comprises the following steps:

s1: as shown in fig. 1 or fig. 10, a plurality of first plane formworks 20 are supported to a height required by the bottom surface of a floor to be poured through a plurality of first supporting rods 10, the faces of the first plane formworks 20 for pouring are upward and are spliced in a horizontal direction to form a pouring plane a with an opening 300;

s2: as shown in fig. 2 or fig. 11, a plurality of adapter templates 30 are connected to the first planar template 20 along the edge of the opening 300, and the plurality of adapter templates 30 are spliced around the opening 300, and a stop surface 31 is provided on a side of each adapter template 30 facing away from the opening 300, and the stop surface 31 is perpendicular to the casting plane a;

s3: as shown in fig. 2 or fig. 11, the embedded component 40 is installed on the stop surface 31 of the adapter template 30, the embedded component 40 includes an embedded sleeve 41 and a screw rod 42 which are connected by a thread, the embedded sleeve 41 is located on one side of the stop surface 31, which is away from the opening 300, one end of the screw rod 42 passes through the stop surface 31 and extends into the embedded sleeve 41, and the other end of the screw rod is located on one side of the stop surface 31, which is toward the opening 300;

s4: as shown in fig. 3 or fig. 12, a plurality of reinforcing bars 50 are horizontally laid and bound above the casting plane a, the reinforcing bars 50 are arranged in a staggered manner, and the reinforcing bars 50 extending to the stop surface 31 are vertically bent upwards along the stop surface 31, that is, the part of the reinforcing bars 50 blocked by the stop surface 31 is bent upwards close to the stop surface 31;

s5: as shown in fig. 4 or fig. 13, cement is poured above the pouring plane a until the cement submerges the horizontal reinforcing steel bars 50 and the embedded sleeves 41, and the stop surface 31 can stop the cement from entering the opening 300, so that the floor 200 with the opening 300 is formed after the cement is solidified;

s6: as shown in fig. 14, the first support rods 10 and the first planar formwork 20 are removed, the adapter formwork 30 and the embedded component 40 are reserved, and the embedded component 40 is used for maintaining the connection between the adapter formwork 30 and the floor 20 and preventing the adapter formwork 30 from falling off from the floor 20 when the opening 300 is used;

s7: referring to fig. 5 or 15, after the opening 300 is used, a plurality of second planar formworks 60 are supported by a plurality of second support rods 70, and the plurality of second planar formworks 60 are spliced and connected to the adaptor formwork 30, so that the second planar formworks 60 and the top surface of the adaptor formwork 30 together form a blocking plane B to fill the opening 300;

s8: as shown in fig. 15, the screw rod 42 is removed to release the connection between the adapting template 30 and the floor 200, and the embedded sleeve 41 is retained in the floor 200;

s9: as shown in fig. 6 or 16, the height of the second support rod 70 is adjusted, so that the second planar formwork 60 and the adapter formwork 30 are lowered together until the blocking plane B is flush with the bottom surface of the floor 200, that is, the blocking plane B coincides with the casting plane a, that is, the blocking plane B and the casting plane a are located on the same plane within a certain error range;

s10: as shown in fig. 6 or 16, the vertically bent reinforcing steel bars 50 are leveled into the opening 300, cement is poured into the opening 300, the blocking plane B can support the cement in the opening 300, and the opening 300 is blocked after the cement is solidified so as to complete the floor 200, as shown in fig. 17; and

s11: as shown in fig. 18, the second support bar 70, the adapter plate 30 and the second planar template 60 are removed.

It will be appreciated that the order of S2 and S3 may be reversed, i.e., the fastener inserts 40 are installed to the adapter plate 30 first, and then the adapter plate 30 is installed to the first planar plate 20.

In addition, the vertical bending part of the steel bar 50 means that the part is close to a vertical state within a certain error range, and the vertical bending is beneficial to the subsequent convenience of leveling the steel bar 50, so that the steel bar 50 is prevented from being confined in cement. In other embodiments, the bending of the steel bar 50 may also be in an inclined state, and subsequently, if the bent steel bar 50 is confined in the solidified cement during leveling, the steel bar 50 may be leveled by excavating the cement, and finally, the excavated cement is filled by pouring the opening 300, so that the floor 200 may be completed.

The floor hole reserving and blocking structure 100 and the method thereof have the advantages that the through-connection template 30 is prepared in advance at the hole 300, the use of the hole 300 is not affected, when the hole 300 is blocked subsequently, the second planar template 60 can be directly installed on the through-connection template 30, the installation convenience and the installation efficiency of the second planar template 60 are improved, and the effect of accurately controlling the installation accuracy of the second planar template 60 can be achieved.

As an exemplary example, the first support bar 10 and the second support bar 70 have the same structure, the first planar form 20 and the second planar form 60 have the same structure, and include forms with different sizes, for example, top support forms, keel forms, and face forms, the first support bar 10 and the second support bar 70 support the top support forms, the two ends of the keel forms are respectively connected to the top support forms to form a framework, and the face forms are filled between the multiple frameworks, so as to form the whole casting plane a or the blocking plane B.

Referring to fig. 7 and 8, in some embodiments, each adapter formwork 30 further has a horizontal casting surface 32 and a vertical connecting surface 33, the horizontal casting surface 32 is vertically connected to one side of the stop surface 31 facing the opening 300, the vertical connecting surface 33 is vertically connected to the bottom of the horizontal casting surface 32, the vertical connecting surface 33 is used for connecting a side wall of the second planar formwork 60, and a plate surface of the second planar formwork 60 is flush with the horizontal casting surface 32 to form a blocking plane B, that is, the blocking plane B is formed by jointly splicing the horizontal casting surface 32 and a top surface of the second planar formwork 60.

Furthermore, sealing plates 34 are arranged at two ends of each adapter template 30, the sealing plates 34 are vertically connected with the stop surfaces 31, the horizontal pouring surfaces 32 and the vertical connecting surfaces 33, and the sealing plates 34 are used for connecting adjacent adapter templates 30 and can also serve as reinforcing ribs to reinforce the strength of the adapter templates 30.

Further, the stop surface 31 is provided with a plurality of first connection holes 31a and through holes 31b arranged in a row, the first connection holes 31a are used for aligning with the holes on the sidewall of the first planar template 20 to connect the adaptor template 30 to the first planar template 20, and the through holes 31b are used for receiving the screws 42. The vertical coupling surface 33 is provided with second coupling holes 33a, and the second coupling holes 33a are used to align with holes on the sidewalls of the second planar template 60 to couple the second planar template 60 to the adaptor template 30. The closing plate 34 is provided with a third coupling hole 34a for coupling the adjacent adaptor template 30. By way of illustrative example, the template is connected with the template through pins and pin pieces.

In some embodiments, the length of the adapter template 30 extends along a straight line and along a right angle to close off the rectangular opening 300, wherein it is understood that there are four adapter templates 30 at right angles.

Referring to fig. 9, in some embodiments, the end of the screw 42 opposite to the sleeve 41 has a pull ring 42a, and the pull ring 42a facilitates rotation of the screw 42 by a crow bar or the like.

Further, the embedded assembly 40 further includes a gasket 43, the screw 42 penetrates through the gasket 43, the gasket 43 is located between the pull ring 42a and the adapter template 30, the gasket 43 is used for increasing a contact area between the screw 42 and the adapter template 30, the pull ring 42a presses the adapter template 30 through the pressing gasket 43, friction between the screw 42 and the adapter template 30 is further increased, and stability of the adapter template 30 is improved.

In some embodiments, the stop surface 31 may be provided with a plurality of clearance grooves (not shown) vertically disposed and penetrating the top of the adaptor form 30, each clearance groove being used for receiving a vertically bent portion of one reinforcing bar 50 to prevent the bent portion of the reinforcing bar 50 from being immersed in cement, thereby facilitating straightening of the reinforcing bar 50 in later plugging the opening 300.

The application also provides a template frame (not shown in the figure), which comprises a wall template and a reserved floor opening and a plugging structure 100, wherein the wall template is vertically arranged and used for pouring a vertical wall body, the first plane template 20 is vertically connected to the wall template, and a floor 200 formed by pouring the reserved floor opening and the plugging structure 100 is connected with the wall body to jointly form a floor structure.

The template frame provided by the scheme also achieves the purpose of improving the reserving and plugging efficiency and precision of the opening 300 through the reserving and plugging structure of the floor opening.

In addition, those skilled in the art should recognize that the foregoing embodiments are illustrative only, and not limiting, and that appropriate changes and modifications to the foregoing embodiments may be made within the spirit and scope of the present disclosure.

Claims (10)

1. A method for reserving and plugging a floor hole is characterized by comprising the following steps:

supporting a plurality of first plane templates to the floor height through a plurality of first supporting rods, wherein the surfaces of the first plane templates face upwards and are horizontally spliced to form a pouring plane with an opening;

splicing a plurality of adapter templates to the first plane template along the edge of the opening, wherein one side of each adapter template, which is far away from the opening, is provided with a stop surface, and the stop surfaces are perpendicular to the pouring plane;

installing a pre-buried assembly on the switching template, wherein the pre-buried assembly comprises a pre-buried sleeve and a screw rod which are connected through threads, the pre-buried sleeve is positioned on one side, away from the hole, of the stop surface, and the screw rod penetrates through the stop surface;

horizontally laying a plurality of steel bars above the pouring plane, and bending the steel bars extending to the stop surface upwards;

pouring cement above the pouring plane until the cement submerges the horizontal reinforcing steel bars and the embedded sleeves, wherein the stopping surface can stop the cement from entering the hole, so that a floor with the hole is formed after the cement is solidified;

removing the first supporting rod and the first plane template, and reserving the switching template and the embedded component, wherein the embedded component is used for keeping the connection between the switching template and the floor;

after the hole is used, supporting a plurality of second planar templates through a plurality of second supporting rods, and splicing and connecting the plurality of second planar templates to the adapter template to enable the second planar templates and the top surface of the adapter template to jointly form a plugging plane so as to fill the hole;

removing the screw to release the connection between the switching template and the floor;

adjusting the height of the second support rod to enable the second planar template and the switching template to descend together until the plugging plane is flush with the bottom surface of the floor;

straightening the bent reinforcing steel bars to the opening, pouring cement into the opening, wherein the plugging plane can support the cement in the opening, and plugging the opening after the cement is solidified so as to complete the floor; and

and removing the second support rod, the adapter plate and the second plane template.

2. The utility model provides a reservation and block structure of floor entrance to a cave which characterized in that includes:

the first plane formworks are arranged in a splicing mode along the horizontal direction, and the plate surfaces of the first plane formworks face upwards to form a pouring plane with an opening;

the plurality of adapter templates are spliced along the edge of the opening and connected to the first plane template, one side of each adapter template, which is far away from the opening, is provided with a stop surface, and the stop surfaces are vertically connected to the pouring plane;

the pre-buried assembly comprises a pre-buried sleeve and a screw rod which are connected through threads, the pre-buried sleeve is positioned on one side, away from the hole, of the stop surface, and the screw rod penetrates through the stop surface;

the reinforcing steel bars are distributed above the pouring plane and are parallel to the pouring plane, and the reinforcing steel bars can be bent upwards along the stopping surface;

the surfaces of the second planar templates face upwards and are spliced on the inner sides of the adapter templates along the horizontal direction to form blocking planes with the same area as the hole; and

and the support rods can support the first plane template and the second plane template and can adjust the height of the second plane template.

3. A floor hole reservation and plugging structure according to claim 2, characterized in that: each switching template is further provided with a horizontal pouring surface and a vertical connecting surface, the horizontal pouring surface is vertically connected to one side, facing the hole, of the stopping surface, the vertical connecting surface is connected to the bottom of the horizontal pouring surface, the vertical connecting surface is used for being connected with the side wall of the second planar template, and the surface of the second planar template is flush with the horizontal pouring surface to form a blocking plane together.

4. A floor hole reservation and plugging structure according to claim 3, characterized in that: and sealing plates are arranged at two ends of each switching template and are vertically connected with the stop surfaces, the horizontal pouring surfaces and the vertical connecting surfaces.

5. A floor hole reservation and plugging structure according to claim 4, characterized in that: the utility model discloses a screw rod, including the first plane template, the screw rod, the vertical connection face of first plane template, the backstop face is equipped with first connecting hole and perforation, first connecting hole is used for aiming at hole on the lateral wall of first plane template is in order to connect switching template extremely first plane template, the perforation is used for passing the screw rod, vertical connection face is equipped with the second connecting hole, the second connecting hole is used for aiming at hole on the lateral wall of second plane template is in order to connect second plane template extremely switching template, the shrouding is equipped with the third connecting hole in order to connect adjacently switching template.

6. A floor hole reservation and plugging structure according to claim 4, characterized in that: the length of the switching template extends along a straight line or along a right angle so as to block the rectangular hole.

7. A floor hole reservation and plugging structure according to claim 2, characterized in that: and one end of the screw rod, which is far away from the embedded sleeve, is provided with a pull ring.

8. A floor hole reservation and plugging structure according to claim 7, characterized in that: the embedded assembly further comprises a gasket, the screw penetrates through the gasket, and the gasket is located between the pull ring and the switching template.

9. A floor hole reservation and plugging structure according to claim 2, characterized in that: the stop surface is provided with a plurality of avoidance grooves which are vertically arranged, and each avoidance groove is used for accommodating one bent part of the reinforcing steel bar.

10. A formwork frame, characterized in that: the reserved and blocked structure of the floor opening comprises a wall formwork and the reserved and blocked structure of the floor opening according to any one of claims 2 to 9, wherein the wall formwork is vertically arranged and used for pouring a vertical wall, and the first plane formwork is connected to the wall formwork.

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