CN214941488U

CN214941488U - Anti structure of floating of hollow superstructure of cast in situ concrete

Info

Publication number: CN214941488U
Application number: CN202120854778.4U
Authority: CN
Inventors: 刘政协; 林艳均; 钱晓坤; 黄津; 阮佳慧
Original assignee: Fujian Tianzhu Construction Engineering Co ltd
Current assignee: Fujian Tianzhu Construction Engineering Co ltd
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-11-30
Anticipated expiration: 2031-04-24

Abstract

The application discloses anti structure of floating of hollow superstructure of cast in situ concrete relates to the technical field of superstructure construction, its include the template with set up in the mandrel at template top, the top fixedly connected with of template accepts the board, it is right to accept the top interval of board be provided with be used for the mandrel carries out the die carrier of location, the die carrier with it is fixed continuous to accept the board, the inside of die carrier is provided with the chamber of placing that the top link up, the mandrel install in place the inside in chamber, the top of die carrier is provided with and is used for the prevention the first reinforcing bar and the second reinforcing bar of mandrel rebound, first reinforcing bar with the second reinforcing bar is horizontal along the level respectively and is vertically set up, be provided with on the die carrier be used for with first reinforcing bar with the locking Assembly that the second reinforcing bar is fixed. This application is through installing the mandrel in the inside of die carrier, and the die carrier can restrict the position of mandrel horizontal direction, and locking Assembly is fixed in the top of die carrier with first reinforcing bar and second reinforcing bar, can restrict the position of the vertical direction of mandrel to promote the anti effect of floating of mandrel.

Description

Anti structure of floating of hollow superstructure of cast in situ concrete

Technical Field

The application relates to the technical field of floor construction, in particular to an anti-floating structure of a cast-in-place concrete hollow floor.

Background

The hollow floor is a cast-in-situ reinforced concrete hollow floor; also called as a cast-in-situ beamless hollow floor, and the hollow beamless floor is formed by cast-in-situ after a core mould product is installed. The hollow floor includes reinforcing steel bar, concrete and core mold embedded inside the reinforcing steel bar concrete, and features that the core mold is filled with light material. The hollow floor can save part of concrete, and the cavity and the hidden rib formed at the same time can reduce the dead weight of the floor and can keep most of the rigidity and the strength of the floor.

At present, when a hollow floor is constructed, a template is generally laid firstly, then a horizontal reinforcement framework and a vertical reinforcement framework are placed on the top of the template, a core mold is arranged between two adjacent horizontal reinforcement frameworks or vertical reinforcement frameworks, and the core mold is bound and fixed with the horizontal reinforcement framework and the vertical reinforcement framework through binding wires.

However, because the density difference between the core mold and the concrete is large, the core mold is easily floated up due to the influence of buoyancy when the concrete is poured, so that the elevation of the floor is ultrahigh, and the quality of the floor is influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the anti effect of floating of mandrel to improve the quality problem of superstructure, this application provides the anti structure of floating of hollow superstructure of cast in situ concrete.

The application provides an anti structure of floating of hollow superstructure of cast in situ concrete adopts following technical scheme:

the utility model provides an anti structure of floating of hollow superstructure of cast in situ concrete, include the template with set up in the mandrel at template top, the top fixedly connected with of template accepts the board, it is right to accept the top interval of board be provided with be used for the mandrel carries out the die carrier of location, the die carrier with accept the fixed linking to each other of board, the inside of die carrier is provided with the chamber of placing that the top link up, the mandrel install in place the inside in chamber, the top of die carrier is provided with and is used for stopping first reinforcing bar and the second reinforcing bar of mandrel rebound, first reinforcing bar with the second reinforcing bar is respectively along horizontal and horizontal vertical setting, be provided with on the die carrier be used for with first reinforcing bar with the locking Assembly that the second reinforcing bar is fixed.

By adopting the technical scheme, the core mold is arranged in the mold frame, the mold frame can prevent the core mold from sliding along the horizontal direction, and the locking assembly fixes the first reinforcing steel bar and the second reinforcing steel bar at the top end of the mold frame, so that the core mold can be prevented from sliding along the vertical direction; the bearing plate is fixedly connected to the bottom of the formwork, the formwork can be fixedly connected to the bottom into a whole, the first steel bars and the second steel bars can enable the formwork to be fixedly connected to the top into a whole, the anti-floating effect of the core mold can be improved, and meanwhile the structural strength of the floor system can be improved.

Optionally, a first placing groove for placing the first reinforcing steel bar is formed in the top of the formwork, a second placing groove for placing the second reinforcing steel bar is formed in the top of the formwork, and the second reinforcing steel bar is lapped on the top of the first reinforcing steel bar.

By adopting the technical scheme, the first reinforcing steel bar and the second reinforcing steel bar are sequentially clamped into the first placing groove and the second placing groove, so that the first reinforcing steel bar and the second reinforcing steel bar can be limited to slide along the horizontal direction; the second reinforcing bar overlap joint is in the upper surface of first reinforcing bar, and it slides along vertical direction to restrict the second reinforcing bar through locking Assembly to can fix a position the mandrel.

Optionally, the locking assembly includes a locking plate for limiting the second reinforcing bar to be separated from the second placing groove, and the locking plate is fixedly connected to the formwork.

Through adopting above-mentioned technical scheme, through linking to each other locking plate and die carrier are fixed to can prevent that the second reinforcing bar breaks away from the second standing groove, and then can prevent that the mandrel upwards slides.

Optionally, one end of the locking plate is hinged to the die carrier, a fastening bolt is arranged at one end, far away from the hinged end, of the locking plate, and the locking plate is fixedly connected with the die carrier through the fastening bolt.

Through adopting above-mentioned technical scheme, the one end of locking plate links to each other with the die carrier is articulated, can be convenient for the locking plate in the top location of second standing groove to be convenient for be fixed in the inside of second standing groove with the second reinforcing bar.

Optionally, the bottom of the locking plate at the notch of the second placing groove is configured to be in a circular arc structure.

Through adopting above-mentioned technical scheme, the circular arc structure is set to the bottom of locking plate, can increase the area of contact of locking plate and second reinforcing bar to promote mounting panel and second steel bar connection's stability.

Optionally, the bottom of locking plate is provided with the regulating plate, be provided with on the locking plate and be used for the drive the regulating plate is vertical to support tightly downwards the regulation pole of second reinforcing bar, adjust the pole with the regulating plate rotates and links to each other, adjust the pole with locking plate screw-thread fit.

Through adopting above-mentioned technical scheme, adjust the pole and can drive the regulating plate and slide downwards to make regulating plate and second reinforcing bar support tightly, and then can adapt to the reinforcing bar of different sizes and lock fixedly.

Optionally, a knob is arranged at the top end of the adjusting rod.

Through adopting above-mentioned technical scheme, the staff rotation of being convenient for of knob is adjusted the pole to be convenient for adjust the pole and order about regulating plate and second reinforcing bar and support tightly.

Optionally, the die carrier is of a rectangular structure, and through holes are formed in the side wall of the die carrier at intervals.

Through adopting above-mentioned technical scheme, during cast in situ concrete, the concrete can get into the inside of die carrier through the through-hole to reduce the inside hollowing phenomenon of die carrier.

In summary, the present application includes at least one of the following benefits:

1. the core mould is arranged in the mould frame through the arrangement of the mould frame, the mould frame can limit the core mould to move along the horizontal direction, the first reinforcing steel bar and the second reinforcing steel bar are arranged at the top of the mould frame, the locking assembly can fix the first reinforcing steel bar and the second reinforcing steel bar at the top of the mould frame, and the core mould can be limited to move along the vertical direction through the first reinforcing steel bar and the second reinforcing steel bar, so that the core mould is positioned in the mould frame, and the anti-floating effect of the core mould is further improved;

2. through the setting of regulating plate, adjust the pole and can drive the vertical downstream of regulating plate to support the second reinforcing bar tightly, and then can adapt to the reinforcing bar of different sizes and lock fixedly.

Drawings

FIG. 1 is a schematic top view of the present embodiment;

FIG. 2 is a schematic cross-sectional view taken at A-A in FIG. 1;

FIG. 3 is a schematic view of the overall structure of the present embodiment;

fig. 4 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. a template; 11. a first bolt; 12. connecting grooves; 2. a core mold; 3. a bearing plate; 4. a mold frame; 41. a placement chamber; 42. a first placing groove; 43. a second placing groove; 44. a through hole; 45. an extension ring; 46. a second bolt; 5. a first reinforcing bar; 6. a second reinforcing bar; 7. a locking assembly; 71. a locking plate; 711. a straight portion; 7111. connecting holes; 712. a bending part; 72. an adjusting plate; 721. mounting grooves; 73. adjusting a rod; 74. a bearing; 75. a knob; 76. and fastening the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses anti structure of floating of hollow superstructure of cast in situ concrete. Referring to fig. 1 and 2, the anti-floating structure includes a formwork 1 and a core mold 2 spaced apart from the top of the formwork 1. The top of the template 1 is provided with a bearing plate 3 for installing the core mold 2, the bottom of the bearing plate 3 is provided with a first bolt 11, and the first bolt 11 passes through the template 1 and then is locked and fixed with the bearing plate 3. The core mold 2 in this embodiment is a rectangular block structure, and the core mold 2 is made of a polyurethane foam material. The top of the bearing plate 3 is provided with a die frame 4 for positioning the core die 2, and the die frame 4 in the embodiment is of a rectangular structure; a placing cavity 41 for placing the core mold 2 is formed in the mold frame 4, and the top of the placing cavity 41 is opened; through holes 44 communicated with the placing cavity 41 are formed in the side wall of the die carrier 4 at intervals; an extension ring 45 is convexly arranged on the outer wall of the die carrier 4, and the extension ring 45 is arranged at the bottom end of the die carrier 4; the extension ring 45 is provided with second bolts 46 near the four corners thereof, and the second bolts 46 pass through the extension ring 45 and are locked and fixed with the bearing plate 3.

Referring to fig. 3, the formwork 4 is provided at the top thereof with first and second reinforcing

bars

5 and 6 for restricting the movement of the core mold 2 in the vertical direction, the first and second reinforcing

bars

5 and 6 are respectively arranged in the horizontal transverse direction and the horizontal longitudinal direction, and the second reinforcing bar 6 is erected at the top of the first reinforcing bar 5; the top of the formwork 4 is respectively provided with a first placing groove 42 for placing the first steel bar 5 and a second placing groove 43 for placing the second steel bar 6, and the bottoms of the first placing groove 42 and the second placing groove 43 are both arc-shaped structures; when the first steel bars 5 abut against the bottom of the first placing grooves 42, the bottoms of the first steel bars 5 abut against the top end of the core mold 2; the top of the formwork 4 is provided with a locking assembly 7 for locking and fixing the first steel bar 5 and the second steel bar 6.

Referring to fig. 3 and 4, the locking assembly 7 includes a locking plate 71, the locking plate 71 being disposed at the notch of the second placing groove 43; the locking plate 71 comprises a straight portion 711 and a bending portion 712, the bending portion 712 is of an arc-shaped structure, and the straight portion 711 is located at two ends of the bending portion 712; one end of the locking part is hinged with the die carrier 4, a connecting hole 7111 is formed in one end, far away from the hinged end, of the locking plate 71, and a fastening bolt 76 penetrates through the connecting hole 7111; the top of the die carrier 4 is provided with a connecting groove 12 for inserting the fastening bolt 76, and the connecting groove 12 is in threaded fit with the fastening bolt 76; when the fastening bolt 76 fastens and fixes the locking plate 71 to the top of the formwork 4, the bent portion 712 is located right above the second reinforcing bar 6.

Referring to fig. 3 and 4, an adjusting plate 72 is provided at the bottom of the locking plate 71, and the adjusting plate 72 in this embodiment is an arc-shaped plate; the adjusting plate 72 is arranged right below the bending part 712, and the adjusting plate 72 is in sliding fit with the second placing groove 43; an adjusting rod 73 for driving the adjusting plate 72 to move downwards penetrates through the locking plate 71 along the vertical direction; the adjusting rod 73 in the embodiment is a screw rod, the adjusting rod 73 is in threaded fit with the locking rod, and the bottom end of the adjusting rod 73 is rotatably connected with the adjusting plate 72; the top of the adjusting plate 72 is provided with an installation groove 721, a bearing 74 is arranged inside the installation groove 721, the outer sleeve of the bearing 74 is in interference clamping fit with the installation groove 721, and the inner sleeve of the bearing 74 is in interference clamping fit with the bottom end of the adjusting rod 73; the adjusting rod 73 is provided with a knob 75 at an end away from the adjusting plate 72, and the adjusting plate 72 can be conveniently driven to abut against the second steel bar 6 by rotating the knob 75.

The application embodiment an anti implementation principle that floats of hollow superstructure of cast in situ concrete is:

when the core mould 2 is installed, the bearing plate 3 is locked and fixed on the top of the template 1 through the first bolt 11; secondly, the core mould 2 is placed in the mould frame 4, the first reinforcing steel bars 5 are clamped into the first placing grooves 42, and then the second reinforcing steel bars 6 are clamped into the second placing grooves 43, so that the mould frame 4 is pre-positioned, and a plurality of mould frames 4 are arranged side by side; the mold frame 4 and the bearing plate 3 are fixed by screwing the second bolt 46; then the locking plate 71 is locked and fixed by the fastening bolt 76, thereby preventing the second bolt 46 from being disengaged from the second placing groove 43; finally, the knob 75 is rotated to drive the adjusting plate 72 to abut against the second steel bar 6 by downward movement of the adjusting rod 73, so that the core mold 2 is abutted against the inside of the mold frame 4 by the first steel bar 5, and the anti-floating effect of the core mold 2 is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an anti structure of floating of hollow superstructure of cast in situ concrete, includes template (1) and set up in mandrel (2) at template (1) top, its characterized in that: the top fixedly connected with of template (1) accepts board (3), it is right to accept the top interval of board (3) be provided with be used for mandrel (2) carry out the die carrier (4) of fixing a position, die carrier (4) with accept board (3) and fix and link to each other, the inside of die carrier (4) is provided with the top and link up places chamber (41), mandrel (2) install in place the inside of chamber (41), the top of die carrier (4) is provided with and is used for stopping mandrel (2) rebound's first reinforcing bar (5) and second reinforcing bar (6), first reinforcing bar (5) with second reinforcing bar (6) are horizontal and horizontal vertical setting respectively along the level, be provided with on die carrier (4) and be used for with first reinforcing bar (5) with locking Assembly (7) that second reinforcing bar (6) are fixed.

2. The anti-floating structure of the cast-in-place concrete hollow floor system according to claim 1, characterized in that: the top of the formwork (4) is provided with a first placing groove (42) for placing the first reinforcing steel bars (5), the top of the formwork (4) is provided with a second placing groove (43) for placing the second reinforcing steel bars (6), and the second reinforcing steel bars (6) are lapped on the top of the first reinforcing steel bars (5).

3. The anti-floating structure of the cast-in-place concrete hollow floor system as claimed in claim 2, wherein: the locking assembly (7) comprises a locking plate (71) used for limiting the second reinforcing steel bar (6) to be separated from the second placing groove (43), and the locking plate (71) is fixedly connected with the formwork (4).

4. The anti-floating structure of the cast-in-place concrete hollow floor system as claimed in claim 3, wherein: one end of the locking plate (71) is hinged to the die carrier (4), one end, far away from the hinged end, of the locking plate (71) is provided with a fastening bolt (76), and the locking plate (71) is fixedly connected with the die carrier (4) through the fastening bolt (76).

5. The anti-floating structure of the cast-in-place concrete hollow floor system as claimed in claim 3, wherein: the bottom of the locking plate (71) is arranged in a circular arc structure at the notch of the second placing groove (43).

6. The anti-floating structure of the cast-in-place concrete hollow floor system as claimed in claim 3, wherein: the bottom of locking plate (71) is provided with regulating plate (72), be provided with on locking plate (71) and be used for the drive regulating plate (72) are vertical to be supported tightly downwards regulation pole (73) of second reinforcing bar (6), adjust pole (73) with regulating plate (72) rotate and link to each other, adjust pole (73) with locking plate (71) screw-thread fit.

7. The anti-floating structure of the cast-in-place concrete hollow floor system as claimed in claim 6, wherein: the top end of the adjusting rod (73) is provided with a knob (75).

8. The anti-floating structure of the cast-in-place concrete hollow floor system according to claim 1, characterized in that: the die carrier (4) is of a rectangular structure, and through holes (44) are formed in the side wall of the die carrier (4) at intervals.