Fabricated prefabricated composite floor slab

Abstract

The utility model relates to the technical field of prefabricated composite floor slabs, and discloses an assembly type prefabricated composite floor slab which comprises a prefabricated floor slab body, a prefabricated wire box is arranged on the prefabricated floor slab body, a plurality of fixing plates are arranged on the prefabricated floor slab body, each fixing plate is provided with a limiting ring, an arc-shaped pressing plate is arranged in each limiting ring, and the arc-shaped pressing plates are arranged on the prefabricated floor slab body. The arc-shaped pressing plate has elasticity, the top of the limiting ring penetrates through and is in threaded connection with a fastening bolt, and one end of the fastening bolt abuts against the side face of the arc-shaped pressing plate. According to the utility model, after the prefabricated floor slab body is laid, the pre-buried pipeline to be pre-buried passes through the limiting ring after being bent, one end of the pre-buried pipeline is connected with the wire box, the fastening bolt is screwed, the fastening bolt drives the arc-shaped pressing plate to move downwards, and the arc-shaped pressing plate has elasticity and tightly presses the pre-buried pipeline arranged in the limiting ring in a penetrating manner; and therefore, the position of the pre-buried pipeline is fixed, the stability of the pre-buried pipeline after construction is improved, and the situation that the connecting position falls off due to external force is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated composite floor technology field, concretely is assembly prefabricated composite floor. BACKGROUND

[0002] The composite floor is the assembly monolithic floor that is combined by prefabricated slab and cast-in-place reinforced concrete, and is widely used in high-rise buildings and large-bay buildings with high overall stiffness requirements due to its good continuity, firm connection, simple structure and wide application range.

[0003] In order to improve the structural strength of prefabricated composite floor, the prior art has made many improvements to the assembly prefabricated composite floor, such as the patent with the publication number CN218233988U, which discloses an assembly prefabricated composite floor, comprising a first concrete slab, the first concrete slab and the second concrete slab are fixedly connected by a plurality of screws, the second concrete slab is fixed with a reinforcing layer for improving the overall structural strength by pouring on one side close to the first concrete slab, the utility model is provided with the reinforcing layer, the reinforcing layer is made of stainless steel channel steel material, the reinforcing layer and the second concrete slab are integrally formed by pouring together, the side of the reinforcing layer away from the second concrete slab is provided with a soundproof board with soundproof effect, the soundproof board is made of high-density rock wool product material, the high-density absorbing cotton can maintain good noise resistance effect in the building, improve the comfort of the residence, the reinforcing layer can protect the soundproof board and the prefabricated wall, the setting of a plurality of stainless steel channel steels can enhance the toughness of the prefabricated wall, and further enhance the structural strength of the prefabricated wall.

[0004] The above-mentioned patent has obvious beneficial effects, but still has the following deficiencies in actual operation:

[0005] The above-mentioned comparative document improves the strength of the prefabricated composite floor, but in the actual situation, after the prefabricated composite floor is laid, it is necessary to lay a pre-buried conduit on the prefabricated composite floor, the pre-buried conduit needs to be communicated with the line box already pre-buried on the prefabricated composite floor, and the pre-buried conduit needs to be fixed to prevent the pre-buried conduit from being deviated during pouring of concrete. In the past, the pre-buried conduit was fixed by nails and wires, and the nails were nailed into the formwork. However, the prefabricated composite floor cannot use nails, so the pre-buried conduit cannot be fixed before laying the reinforcing steel bars. The movement of construction personnel may kick the pre-buried conduit, causing the pre-buried conduit to fall off at the connection position. If it is not discovered in time, the pre-buried conduit will be filled with concrete during pouring of concrete, causing blockage of water and electricity in the later period. Therefore, there is an urgent need in the field to improve the assembly prefabricated composite floor to solve the defects of the prior art. UTILITY MODEL CONTENTS

[0006] The utility model provides assembly type prefabricated composite floor improves the stability after embedded pipeline construction, prevents the drop of the connecting position caused by external force.

[0007] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: assembly type prefabricated composite floor, including prefabricated floor body, the prefabricated floor body is equipped with prefabricated line box, the prefabricated floor body is equipped with a plurality of fixed plates, the fixed plate is equipped with the limit ring, the limit ring is equipped with the arc pressing plate, the arc pressing plate has elasticity, the limit ring top is equipped with the fastening bolt and is connected with the arc pressing plate side, and the fastening bolt one end is with the arc pressing plate side.

[0008] Preferably, the plurality of fixed plates are fixedly connected to the prefabricated floor body.

[0009] Preferably, the plurality of fixed plates are detachably fixedly connected to the prefabricated floor body.

[0010] Preferably, the prefabricated floor body is embedded with a plurality of threaded sleeves, and the lower surface of the plurality of fixed plates is fixedly connected with threaded columns.

[0011] Preferably, the limit ring has an inner side wall with a guide groove, and the guide groove is adapted to the arc pressing plate.

[0012] Preferably, the threaded sleeve has a side surface fixedly connected with a plurality of clamping rings.

[0013] Preferably, the plurality of threaded sleeves are pre-embedded according to the site drawing, and the fixed plate has a polygonal cross section.

[0014] The utility model provides assembly type prefabricated composite floor, overcomes the insufficient of prior art, and the beneficial effects of the utility model lie in:

[0015] 1. In the utility model, a plurality of limit rings are arranged, after the prefabricated floor body is laid, the embedded pipeline to be embedded is passed through the limit ring after being bent, one end of the embedded pipeline is connected with the line box, the fastening bolt is screwed, the arc pressing plate is driven downward by the fastening bolt, the arc pressing plate is elastic and presses the embedded pipeline passing through the limit ring, thereby fixing the position of the embedded pipeline, improving the stability after the embedded pipeline construction, preventing the drop of the connecting position caused by external force.

[0016] 2、The utility model discloses a threaded sleeve is set up, when hoisting is needed to the prefabricated floor body, can be hoisted to the lifting ring threaded connection in the threaded sleeve through the threaded sleeve of the adaptive position selection, and the prefabricated floor body is hoisted, and the lifting ring is removed after hoisting is finished, and the limiting ring is installed again as the fixing tool of embedded pipeline, need not reserve hoisting position additionally, simultaneously, if the area of prefabricated floor body is small, can directly hoist through the limiting ring, improve the hoisting efficiency of prefabricated floor body.

[0017] 3、The utility model discloses a threaded sleeve's position can be embedded according to construction condition, if the channel section steel layer is encountered, can embed several threaded sleeves according to the construction condition on site, and the fastener for fixing the end of overhanging channel section steel is screwed with threaded sleeve, and it is convenient for the construction of on -the -spot construction personnel.

[0018] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and, in part, will become apparent to those skilled in the art from the description, or recognized by practicing the utility model as hereinafter described. The objects and other advantages of the present utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, together with the embodiments of the present utility model, to explain the present utility model, and do not constitute the limitation to the present utility model.

[0020] Figure 1 It is whole structure schematic diagram of the utility model;

[0021] Figure 2 It is structure schematic diagram of prefabricated floor body partial section of the utility model;

[0022] Figure 3 It is structure schematic diagram of threaded sleeve and threaded column separation of the utility model;

[0023] Figure 4 It is structure schematic diagram of threaded sleeve and threaded column section of the utility model;

[0024] Figure 5 It is Figure 2 Amplification structure schematic diagram of the utility model in A place.

[0025] In the drawing: 1, prefabricated floor body;2, wire box;3, fixed plate;4, limiting ring;5, arc pressing plate;6, fastening bolt;7, threaded sleeve;8, threaded column;9, guide groove;10, clamping ring. DETAILED DESCRIPTION

[0026] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments.

[0027] Embodiment one

[0028] Please refer to Figures 1-5 , the prefabricated composite floor slab, including prefabricated floor body 1, prefabricated floor body 1 is provided with prefabricated line box 2, prefabricated floor body 1 is provided with a plurality of fixed plate 3, each fixed plate 3 is provided with a limit ring 4, the limit ring 4 is provided with an arc-shaped pressing plate 5, the arc-shaped pressing plate 5 has elasticity, the limit ring 4 top is threaded with fastening bolt 6, one end of fastening bolt 6 and arc-shaped pressing plate 5 side abuts, a plurality of fixed plate 3 is fixedly connected on prefabricated floor body 1.

[0029] The specific implementation of the present embodiment: according to the position of fixed plate 3 determined by the construction drawing, the fixed plate 3 is fixed on the upper surface of prefabricated floor body 1, which can be fixed by welding on site, such as welding between steel bars to fix the position of fixed plate 3, and the fixed plate 3 can also be fixed by embedding during the production of prefabricated floor body 1, the fixed plate 3 is embedded in the specified position during the pouring of prefabricated floor body 1 in the factory, the fixed plate 3 is fixed and cannot be detached from the prefabricated floor body 1, which improves the strength of the fixed plate 3, after the prefabricated floor body 1 is laid, the embedded pipeline needed to be embedded is passed through the limit ring 4 after bending, and one end of the embedded pipeline is connected with the line box 2, the fastening bolt 6 is screwed, the arc-shaped pressing plate 5 is driven downward by the fastening bolt 6, the arc-shaped pressing plate 5 has elasticity and presses the embedded pipeline passing through the limit ring 4, and the number of limit rings 4 is multiple, which are respectively located at the side edge position of prefabricated floor body 1 and the side surface position of line box 2, so as to fix the position of the embedded pipeline and improve the stability of the embedded pipeline after construction, preventing the connection position from falling off due to external force.

[0030] Embodiment two

[0031] Please refer to Figures 2-5 , the present embodiment includes the above embodiment, wherein, further comprising: a plurality of fixed plate 3 can be detachably fixedly connected on prefabricated floor body 1, a plurality of threaded sleeves 7 are embedded in prefabricated floor body 1, a plurality of fixed plate 3 are fixedly connected with threaded column 8 on the lower surface, threaded column 8 is adapted with threaded sleeve 7 and can be bolted, guide groove 9 is provided on the inner wall of limit ring 4, guide groove 9 is adapted with arc-shaped pressing plate 5, clamping ring 10 is fixedly connected on the side surface of threaded sleeve 7, the number of clamping ring 10 is multiple, the number and position of a plurality of threaded sleeves 7 are embedded in advance according to the site drawing, the cross section of fixed plate 3 is polygonal.

[0032] The specific implementation in the embodiment: in the embodiment, the fixing plate 3 is installed in a detachable connection mode, which is convenient for on-site assembly and has mobility, if the on-site drawing is changed and the pipeline is not pre-buried, the limiting ring 4 does not need to be installed, and when the prefabricated floor body 1 needs to be hoisted, the lifting ring that needs to be used is threadedly connected in the threaded sleeve 7 at an appropriate position, the prefabricated floor body 1 is hoisted, the lifting ring is removed after hoisting is completed, and the limiting ring 4 is installed again as a fixing tool for the pre-buried pipeline, without the need to reserve a hoisting position additionally, and if the area of the prefabricated floor body 1 is small, the limiting ring 4 can be directly used for hoisting, thereby improving the hoisting efficiency of the prefabricated floor body 1, when the pre-buried pipeline needs to be fixed, the arc-shaped pressing plate 5 is bent and placed in the guide groove 9, the guide groove 9 is used for guiding the arc-shaped pressing plate 5 to prevent the arc-shaped pressing plate 5 from deviating when moving, the threaded sleeve 7 is pre-buried in the prefabricated floor body 1 when the prefabricated floor body 1 is produced, the strength of the threaded sleeve 7 in the prefabricated floor body 1 is improved through the setting of the clamping ring 10, and the cross section of the fixing plate 3 is polygonal, so that the fixing plate 3 is convenient for an on-site installer to install on the threaded sleeve 7.

[0033] It should be noted that the installation of the fixing plate 3 has two implementation modes, the first embodiment is fixed and cannot be detachably connected, the fixing plate 3 has strong connection strength in this mode, and the second embodiment is further optimized on the basis of the first embodiment and is fixed and can be detachably connected, so that the fixing plate 3 has strong connection strength and is convenient for production and installation.

[0034] It should be noted that when the channel steel layer is encountered during on-site construction, a plurality of threaded sleeves 7 can be pre-buried according to the on-site construction condition, and the fastener for fixing the end of the cantilever channel steel is threadedly connected with the threaded sleeve 7, so as to facilitate on-site construction personnel to construct.

[0035] The above only describes preferred embodiments of the utility model and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An assembled precast composite floor slab, comprising a precast floor slab body (1), wherein a precast line box (2) is arranged on the precast floor slab body (1), characterized in that, The prefabricated floor body (1) is provided with a plurality of fixed plates (3), each of which is provided with a limiting ring (4), the limiting ring (4) is provided with an arc-shaped pressing plate (5) inside, the arc-shaped pressing plate (5) is elastic, the limiting ring (4) top is penetrated and threadedly connected with a fastening bolt (6), one end of the fastening bolt (6) is abutted with the side surface of the arc-shaped pressing plate (5).

2. The assembled precast composite floor slab according to claim 1, characterized in that, A plurality of the fixed plates (3) are fixedly connected on the prefabricated floor body (1).

3. The assembled precast composite floor slab according to claim 1, characterized in that, A plurality of the fixed plates (3) are detachably fixedly connected on the prefabricated floor body (1).

4. The fabricated precast composite floor slab as claimed in claim 3, wherein, The prefabricated floor body (1) is embedded with a plurality of threaded sleeves (7), a plurality of the fixed plates (3) are fixedly connected with threaded columns (8) on the lower surfaces, the threaded columns (8) are adapted to the threaded sleeves (7) and can be bolted.

5. The fabricated precast composite floor slab as claimed in claim 3, wherein, The inner side wall of the limiting ring (4) is provided with a guide groove (9), which is adapted to the arc-shaped pressing plate (5).

6. The fabricated precast composite floor slab as claimed in claim 4, wherein, The threaded sleeve (7) is fixedly connected with a clamping ring (10) on the side surface, and the number of the clamping ring (10) is multiple.

7. The fabricated precast composite floor slab as claimed in claim 4, wherein, The number and position of a plurality of the threaded sleeves (7) are pre-embedded according to the site drawing, and the cross section of the fixed plate (3) is polygonal.

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