CN215054418U - Cast-in-situ reinforced concrete hollow floor - Google Patents

Abstract

The utility model discloses a cast-in-place reinforced concrete hollow floor relates to hollow floor technical field. The utility model discloses a mould shell, the transverse reinforcement, the retainer plate, go up the arc shell, arc shell and axis of rotation down, mould shell side fixed mounting has a plurality of connecting reinforcement all around, go up arc shell and pass through the axis of rotation with arc shell one end down and rotate the connection, it has an upper fixed plate and a bottom plate to go up arc shell and the arc shell other end difference fixed mounting down, retainer plate and last arc shell fixed connection, fixed surface installs the threaded rod on the bottom plate, go up the arc shell upper surface and seted up the screw, fixed surface is connected with the limiting plate on the threaded rod, side threaded connection has the nut all around the threaded rod, nut side fixed mounting has the fixed block, fixed surface is connected with the fixed column on the fixed block. The utility model discloses avoid pricking the fixed reinforcing bar of silk and produce the problem of mandrel offset easily, do benefit to new hand operation and reach the requirement, and do benefit to the improvement construction progress, have good popularization prospect.

Description

Cast-in-situ reinforced concrete hollow floor

Technical Field

The utility model belongs to the technical field of hollow superstructure, especially relate to cast-in-place reinforced concrete hollow superstructure.

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 reinforced bar, concrete and core mould, the core mould is embedded in the reinforced bar concrete, and many buildings adopt the method of cast-in-situ concrete floor (solid or hollow), and can better solve the problems of earthquake-resistance, cracking and water seepage, etc., but the construction of said floor is relatively difficult and its cost is relatively high. With the development of building technology and economy, higher requirements are put forward on the quality of buildings, and most cast-in-situ concrete floors adopt the technology of cast-in-situ concrete hollow floors. The pore-forming member in the cast-in-situ hollow floor slab is a permanent core mold, such as a paper tube, a plastic tube, a metal corrugated tube, a core mold light material, a hard thin-walled tube and the like. The existing core moulds and the steel bars are connected by binding wires, the problem that the position of the core moulds is easy to deviate by the steel bars fixed by the binding wires is solved, the learning cost of the binding wires is high, the binding is slow, the binding by a novice hand is difficult to meet the requirement, and the construction progress is not easy to improve, so that the cast-in-situ reinforced concrete hollow floor is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hollow superstructure of cast-in-place reinforced concrete, solve some current fixed reinforcing bars of pricking the silk and produce the problem of mandrel offset easily, and prick the silk study cost higher, it is slower to go up the hand, and the new hand is tied up and is difficult to reach the requirement, is unfavorable for improving the problem of construction progress.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model discloses a hollow superstructure of cast-in-place reinforced concrete, including mould shell, horizontal bar, retainer plate, go up the arc shell, arc shell and axis of rotation down, mould shell side fixed mounting has a plurality of connecting reinforcement all around, it passes through the axis of rotation with arc shell one end down and rotates the connection to go up the arc shell, it has an upper fixed plate and bottom plate to go up the arc shell and arc shell other end difference fixed mounting down, retainer plate and last arc shell fixed connection, fixed surface installs the threaded rod on the bottom plate, it has seted up the screw to go up the arc shell upper surface, fixed surface is connected with the limiting plate on the threaded rod, threaded rod side threaded connection all around has the nut, nut side fixed mounting has the fixed block all around, fixed surface is connected with the fixed column on the fixed block.

Furthermore, an inner cavity is formed in the formwork, a supporting plate is fixedly mounted in the inner cavity and located between the included angles, the supporting plate is arranged between the included angles in the formwork, so that the bearing performance of the formwork is improved, the formwork is not prone to deformation during concrete pouring, the service life of the formwork is prolonged, and the quality is improved.

Further, go up the arc shell and form the grip ring down between the arc shell, go up the equal fixed mounting of arc shell internal surface with lower arc shell and have a plurality of sand grips, through setting up the sand grip, when the horizontal bar inserts in the grip ring, sand grip and horizontal bar contact to increase frictional force, make it fixed more stable.

Further, the nut is located the upper fixed plate top, threaded rod one end and limiting plate fixed connection, the threaded rod other end and bottom plate fixed connection through set up the fixed block in nut week side, set up the fixed column at the fixed block upper surface, are convenient for rotate the nut through fixed block and fixed column, and when the nut rotated, the nut extruded upper fixed plate made its downstream to shorten the distance between upper fixed plate and the bottom plate, and then made between grip ring and the transverse reinforcement fixed more stable.

Furthermore, a transverse steel bar is movably inserted in the clamping ring, and the raised strips are in contact with the transverse steel bar.

Furthermore, the size of the fixing ring is matched with that of the connecting steel bar, and the fixing ring is movably inserted into the connecting steel bar.

Further, the threaded rod is in threaded connection with the lower fixing plate through a screw hole.

The utility model discloses following beneficial effect has:

the utility model has the advantages that the supporting plate is arranged between the included angles in the formwork, so that the bearing performance of the formwork is increased, the formwork is not easy to deform during concrete pouring, the service life of the formwork is prolonged, and the quality is improved; by arranging the raised lines, when the transverse steel bars are inserted into the clamping rings, the raised lines are contacted with the transverse steel bars, and the friction force is increased, so that the transverse steel bars are more stably fixed; through setting up the fixed block in nut week side, set up the fixed column at the fixed block upper surface, be convenient for rotate the nut through fixed block and fixed column, when the nut rotates, nut extrusion upper fixed plate makes its downstream to shorten the distance between upper fixed plate and the bottom plate, and then make and fix more stably between grip ring and the horizontal bar, the utility model discloses avoid pricking the problem that fixed reinforcing bar produced mandrel offset easily, do benefit to new hand operation and reach the requirement, and do benefit to the improvement construction progress.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a cast-in-situ reinforced concrete hollow floor according to the present invention;

FIG. 2 is a schematic view of a retaining ring of the cast-in-situ reinforced concrete hollow floor of the present invention;

FIG. 3 is a schematic view of a threaded rod of the cast-in-situ reinforced concrete hollow floor of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

FIG. 5 is a partial enlarged view of portion B of FIG. 2;

fig. 6 is a schematic view of the support plate of the cast-in-situ reinforced concrete hollow floor of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a formwork; 2. an inner cavity; 3. a support plate; 4. connecting reinforcing steel bars; 5. transverse reinforcing steel bars; 6. a stationary ring; 7. an upper arc-shaped shell; 8. an upper fixing plate; 9. a lower arcuate shell; 10. a lower fixing plate; 11. a convex strip; 12. a rotating shaft; 13. a clamping ring; 14. a threaded rod; 15. a limiting plate; 16. a screw hole; 17. a nut; 18. a fixed block; 19. and (5) fixing the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-6, the utility model relates to a cast-in-place reinforced concrete hollow floor, which comprises a formwork 1, a transverse reinforcement 5, a retaining ring 6, an upper arc-shaped shell 7, a lower arc-shaped shell 9 and a rotating shaft 12, wherein a plurality of connecting reinforcements 4 are fixedly arranged on the circumferential side of the formwork 1, one end of the upper arc-shaped shell 7 is rotatably connected with one end of the lower arc-shaped shell 9 through the rotating shaft 12, the other end of the upper arc-shaped shell 7 is fixedly provided with an upper fixing plate 8 and a lower fixing plate 10, the retaining ring 6 is fixedly connected with the upper arc-shaped shell 7, a threaded rod 14 is fixedly arranged on the upper surface of the lower fixing plate 10, a screw hole 16 is arranged on the upper surface of the upper arc-shaped shell 7, a limiting plate 15 is fixedly connected with the upper surface of the threaded rod 14, a nut 17 is threadedly connected on the circumferential side of the threaded rod 14, a retaining block 18 is fixedly arranged on the circumferential side of the nut 17, a retaining column 19 is fixedly connected with the upper surface of the retaining ring 18, and the retaining ring 6 is matched with the connecting reinforcements 4 in size, the fixed ring 6 is movably inserted with the connecting steel bar 4.

Preferably, an inner cavity 2 is formed in the formwork 1, a supporting plate 3 is fixedly mounted in the inner cavity 2, the supporting plate 3 is located between the included angles, the supporting plate 3 is arranged between included angles in the formwork 1, so that the bearing performance of the formwork 1 is improved, and when concrete is poured, the formwork 1 is not easy to deform, the service life of the formwork is prolonged, and the quality is improved.

Preferably, go up arc shell 7 and form grip ring 13 between the arc shell 9 down, grip ring 13 internalization is pegged graft and is had horizontal reinforcement 5, and sand grip 11 and horizontal reinforcement 5 contact, go up arc shell 7 and 9 internal surfaces of lower arc shell fixed mounting have a plurality of sand grips 11, through setting up sand grip 11, when horizontal reinforcement 5 inserted grip ring 13 in, sand grip 11 and horizontal reinforcement 5 contact to increase frictional force, make its fixed more stable.

Preferably, the nut 17 is located upper fixed plate 8 top, 14 one end of threaded rod and limiting plate 15 fixed connection, 14 other ends of threaded rod and lower fixed plate 10 fixed connection, threaded rod 14 passes through screw 16 and lower fixed plate 10 threaded connection, through set up fixed block 18 at nut 17 week side, set up fixed column 19 at the 18 upper surface of fixed block, be convenient for rotate nut 17 through fixed block 18 and fixed column 19, when nut 17 rotates, nut 17 extrudes upper fixed plate 8 and makes its downstream, thereby shorten the distance between upper fixed plate 8 and the lower fixed plate 10, and then make and fix more stable between clamping ring 13 and the horizontal reinforcing bar 5.

As shown in FIGS. 1-6, this embodiment is a method for using a cast-in-situ reinforced concrete hollow floor slab: during the use, after placing the mould shell 1, insert horizontal reinforcing bar 5 in the grip ring 13, take connecting reinforcement 4 of mould shell 1 side in horizontal reinforcing bar 5 top again, and insert connecting reinforcement 4 in the retainer plate 6, then rotate nut 17 through fixed block 18 and fixed column 19, when nut 17 rotated, nut 17 extrudees upper fixed plate 8 and makes its downstream, thereby shorten the distance between upper fixed plate 8 and lower fixed plate 10, and then make and fix between grip ring 13 and the horizontal reinforcing bar 5, sand grip 11 and horizontal reinforcing bar 5 contact simultaneously, and increase frictional force, thereby avoid mould shell 1 offset.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The cast-in-situ reinforced concrete hollow floor comprises a formwork (1), transverse steel bars (5), a fixing ring (6), an upper arc shell (7), a lower arc shell (9) and a rotating shaft (12), and is characterized in that: a plurality of connecting steel bars (4) are fixedly arranged on the peripheral side surface of the shuttering (1), one end of the upper arc shell (7) and one end of the lower arc shell (9) are rotationally connected through a rotating shaft (12), the other ends of the upper arc-shaped shell (7) and the lower arc-shaped shell (9) are respectively and fixedly provided with an upper fixing plate (8) and a lower fixing plate (10), the fixed ring (6) is fixedly connected with the upper arc-shaped shell (7), a threaded rod (14) is fixedly arranged on the upper surface of the lower fixed plate (10), a screw hole (16) is arranged on the upper surface of the upper arc-shaped shell (7), a limit plate (15) is fixedly connected with the upper surface of the threaded rod (14), threaded rod (14) week side threaded connection has nut (17), nut (17) week side fixed mounting has fixed block (18), fixed surface is connected with fixed column (19) on fixed block (18).

2. A cast-in-situ reinforced concrete hollow floor as claimed in claim 1, wherein said shuttering (1) is provided with an inner cavity (2), a supporting plate (3) is fixedly mounted in said inner cavity (2), and said supporting plate (3) is positioned between the included angles.

3. The cast-in-situ reinforced concrete hollow floor as claimed in claim 1, wherein a clamping ring (13) is formed between the upper arc shell (7) and the lower arc shell (9), and a plurality of convex strips (11) are fixedly mounted on the inner surfaces of the upper arc shell (7) and the lower arc shell (9).

4. The cast-in-situ reinforced concrete hollow floor as claimed in claim 1, wherein the nut (17) is located above the upper fixing plate (8), one end of the threaded rod (14) is fixedly connected with the limiting plate (15), and the other end of the threaded rod (14) is fixedly connected with the lower fixing plate (10).

5. A cast-in-situ reinforced concrete hollow floor as claimed in claim 3, wherein said retaining ring (13) has reinforcing bars (5) movably inserted therein, and said ribs (11) are in contact with said reinforcing bars (5).

6. The cast-in-situ reinforced concrete hollow floor system according to claim 1, wherein the fixing ring (6) and the connecting reinforcing steel bars (4) have the same size, and the fixing ring (6) and the connecting reinforcing steel bars (4) are movably inserted.

7. The cast-in-situ reinforced concrete hollow floor as claimed in claim 1, wherein the threaded rod (14) is threadedly connected to the lower fixing plate (10) through a threaded hole (16).

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