CN220978544U

CN220978544U - Concrete prefabricated cladding panel with spiral holes

Info

Publication number: CN220978544U
Application number: CN202322726413.5U
Authority: CN
Inventors: 冯国辉; 陈宝海; 李映秋
Original assignee: Shenzhen Pengxiang Construction Technology Co ltd
Current assignee: Shenzhen Pengxiang Construction Technology Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-17
Anticipated expiration: 2033-10-11

Abstract

The utility model discloses a concrete prefabricated cladding board with spiral holes, which comprises a cladding board body, wherein a plurality of stirrups which are distributed in parallel are arranged in the cladding board body, round holes with spiral space structures are arranged in the cladding board body, the spiral holes are short for the duration, a plurality of longitudinal steel bars are arranged in the stirrups, part of the longitudinal steel bars are enveloped at the inner sides of the spiral holes, and the opening sides of the spiral holes are arranged on the top surface and/or the side surface of the cladding board body. According to the utility model, by penetrating the spiral reinforcing steel bars into the spiral holes, various components can be connected at the same time, so that the integrity and safety of the structure are enhanced; the end part of the prefabricated part is not provided with a reinforcement, a grouting sleeve or other steel structure embedded parts are not required to be embedded in the interior, the construction is rapid, reinforcement bars are not required to be reserved in the installation process of the prefabricated part, the reinforcement bars are not required to collide with the prefabricated part in an outward leakage manner, and the construction efficiency of connection between the prefabricated parts is improved; the filling degree of grouting can be directly observed through the installation gap, other modes such as an endoscope are not needed, and grouting construction efficiency and quality are improved.

Description

Concrete prefabricated cladding panel with spiral holes

Technical Field

The utility model belongs to the technical field of assembly type buildings, and particularly relates to a concrete prefabricated cladding board with spiral holes.

Background

The connection mode of the prefabricated concrete components is a key technology of an assembled building, the safety and economy of the whole structure are determined, the traditional node connection mode of the prefabricated concrete cladding panel usually adopts the modes of reserved embedded part welding or bolting, reserved steel bar post-pouring concrete and the like, the corresponding embedded part is required to be pre-embedded in advance when the prefabricated cladding panel is produced in a factory, then bolt fastening or welding is carried out on site, the construction cost is increased, meanwhile, the embedded part of the connection point is required to be maintained for a long time, and the durability risk of the embedded part is high.

Therefore, the research improves the concrete prefabricated cladding plate with the spiral holes, can effectively solve the problems of safe reliability, production efficiency, installation efficiency, quality controllability and the like of connection between the prefabricated cladding plate and other prefabricated components, saves materials, reduces construction cost, improves the field installation efficiency of the prefabricated components, enhances durability, and has practical significance and good application prospect.

Disclosure of utility model

The utility model aims to provide a concrete prefabricated cladding board with spiral holes, which aims to solve the problems in the background technology. In order to achieve the purpose, the utility model adopts the following technical scheme:

The utility model provides a take prefabricated cladding of concrete of spiral hole, includes the cladding body, and the inside of cladding body is provided with the stirrup of a plurality of parallel distributions, and the inside of cladding body is provided with the spatial structure and is the round hole of spiral, and the spiral hole for short, the inside of stirrup is equipped with a plurality of longitudinal reinforcement, and the inboard envelope part longitudinal reinforcement of spiral hole, the opening side of spiral hole set up in top surface and/or the side of cladding body, and the spiral hole can be installed in one or several departments of top surface and/or the side of cladding body.

Preferably, the cladding body is capable of being connected to other prefabricated elements.

Preferably, the spiral hole is used for penetrating spiral steel bars or steel strands and the like when being connected with other prefabricated components, the spiral hole connected with other prefabricated components forms a continuous spiral line, the connection surface and the installation clearance position of the components can be disconnected, the spiral hole is the same spiral line with the spiral hole of other prefabricated components, the rotation directions are mutually connected in a three-dimensional space, the diameters are the same, the axial horizontal projection of the spiral line can be 1/2 round, 1/3 round and 1/4 round, the spiral line is round after assembly and splicing are completed, the radius of each spiral line is the same, the pitch is different, and the specific size is determined according to design requirements.

Preferably, the diameter of the spiral hole in the cladding body is 2-4 times that of the spiral rib.

The utility model has the beneficial effects that: the connection is safe and reliable, the screw hole is penetrated with the screw steel bar, and the gap between the screw hole and the internally-penetrated screw steel bar is filled in a post grouting mode, so that the post-penetrated screw steel bar and the reserved screw hole form a stressed whole, the connection of various components can be realized, and the structural integrity and safety are ensured; the production is convenient, no ribs are arranged at the adjacent connection parts of the prefabricated parts, grouting sleeves or other embedded parts are not required to be embedded in the prefabricated parts, the die is simple in form, and the production is convenient; the construction is rapid, the problem of collision with reserved reinforcing steel bars of other structures is not required to be regulated in the installation process of the prefabricated parts, and the construction efficiency of connection between the prefabricated parts is effectively improved; the structure is connected into a whole through the spiral ribs, and the reserved spiral pore channels and joints are densely filled through grouting, so that the problems that the joints of prefabricated components of the fabricated building are easy to crack, leak and the like are avoided; the quality is controllable, can directly observe the plumpness of grout through the installation clearance, need not to pass through the connection quality between the prefabricated component of other modes such as endoscope inspection, effectively improves prefabricated component installation construction quality and efficiency.

Drawings

FIG. 1 is a schematic view of an embodiment of the present utility model;

Fig. 2 is a schematic left-view structure provided in an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a front view structure according to an embodiment of the present utility model;

FIG. 4 is a schematic top view of an embodiment of the present utility model;

FIG. 5 is a schematic diagram illustrating connection between a cladding body and a precast beam according to an embodiment of the present utility model;

wherein, each reference sign in the figure:

1. a cladding body; 2. a spiral hole; 3. longitudinal steel bars; 4. and (5) hooping.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed 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. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiments, and the terms "upper," "lower," "left," "right," "front," "back," and the like are used herein with reference to the positional relationship of the drawings.

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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1 to 4, the embodiment of the utility model provides a concrete prefabricated cladding board with spiral holes, which comprises a cladding board body 1, wherein a plurality of stirrups 4 which are distributed in parallel are arranged in the cladding board body 1, round holes with spiral space structures are arranged in the cladding board body 1, the inside of the stirrups 4 is provided with a plurality of longitudinal steel bars 3 for short, part of the longitudinal steel bars 3 are enveloped in the inner sides of the spiral holes 2, and the opening sides of the spiral holes 2 are arranged on the top surface and/or the side surface of the cladding board body 1.

Preferably, the cladding body 1 can be connected with other prefabricated elements.

Preferably, the axial horizontal projection of the helical bore 2 can be 1/2 circular, 1/3 circular or 1/4 circular.

Preferably, the diameter of the spiral hole 2 in the cladding body 1 is 2-4 times of the diameter of the spiral rib.

Referring to fig. 5, the present utility model is a connection between a prefabricated cladding body 1 and a prefabricated beam, and a stable structure is formed by penetrating a spiral rib into a spiral hole 2 and grouting.

The utility model relates to a manufacturing method of a concrete prefabricated cladding plate with a spiral hole, which comprises the following steps:

(1) Cleaning a die table, and assembling a die according to the design size of a drawing;

(2) Binding prefabricated cladding reinforcing steel bars, and placing the prefabricated cladding reinforcing steel bars into a die for fixation;

(3) Reserving a spiral hole and fixing the spiral hole with a reinforcement cage;

(4) Pouring concrete and vibrating for compaction;

(5) Curing the concrete, and removing the mould after the designed strength is achieved;

(6) And (5) hoisting the prefabricated cladding from the die by using hoisting equipment to obtain the prefabricated cladding with the spiral holes.

According to the method, the spiral holes 2 are reserved in the cladding body 1, so that embedded parts such as a traditional embedded grouting sleeve are replaced, the cost is saved, and the production and the manufacture of components are facilitated; the arrangement of the longitudinal steel bars 3 and the stirrups 4 enhances the integrity and reliability of structural connection; the prefabricated components are connected with each other, a 20mm connecting gap is reserved according to design requirements, grouting conditions can be directly observed through the gap, and grouting quality control is facilitated.

The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications can be made by one skilled in the relevant art without departing from the spirit and scope of the present utility model, so that all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.

Claims

1. A concrete prefabricated cladding board with spiral holes is characterized in that: the cladding board comprises a cladding board body, wherein a plurality of stirrups which are distributed in parallel are arranged in the cladding board body, round holes with spiral space structures, for short, spiral holes are formed in the cladding board body, a plurality of longitudinal steel bars are arranged in the stirrups, part of the longitudinal steel bars are enveloped in the inner side of each spiral hole, and the opening sides of the spiral holes are arranged on the top surface and/or the side surfaces of the cladding board body.

2. A prefabricated panel according to claim 1, wherein the panel body is connectable to other prefabricated elements.

3. A prefabricated concrete cladding panel with helical holes according to claim 2, wherein the axial horizontal projection of said helical holes can be 1/2 circular, 1/3 circular or 1/4 circular.

4. A prefabricated concrete cladding panel with helical holes according to claim 3, wherein the diameter of the helical holes in the cladding body is 2-4 times the diameter of the helical ribs.