An assembled outer wall plate pre-burying device for curtain wall dry hanging

By using steel plates welded to hot-dip galvanized square tubes and perforated plug welding to fix reinforcing bars in the pre-embedded device, the problem of inaccurate positioning of pre-embedded parts was solved, and the precise positioning and structural stress requirements of the curtain wall construction were achieved.

CN223607986UActive Publication Date: 2025-11-28ZHONGTIAN CONSTR GROUP
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Patent Information

Application Number
CN202423193875.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-28
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing embedded parts have deviations in centerline position and embedment height during curtain wall construction, resulting in inaccurate positioning, which affects construction, installation and structural stress.

Method used

Two steel plates are used, with screw holes made in the middle. The steel bars are fixed by welding hot-dip galvanized square tubes and through-hole plug welding, ensuring that the spacing between the steel plates is consistent with the thickness of the prefabricated exterior wall panels, thus meeting the requirements for accurate positioning.

Benefits of technology

It achieves precise positioning and stability of the pre-embedded device, meets technical specifications, simplifies the construction process, and improves the accuracy of curtain wall installation and structural stress performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an assembly type outer wall board pre -buried device for curtain wall dry hanging, including steel sheet, the steel sheet is equipped with two, two steel sheet between being equipped with square tube, square tube and steel sheet weld, be equipped with reinforcing steel bar on the steel sheet of upper portion, reinforcing steel bar is equipped with four, every reinforcing steel bar all adopts the way of perforation plug -weld and is fixed with steel sheet, reinforcing steel bar selects three -level screw steel HB400. This device carries out derusting treatment after installation, selects 8mm thick steel sheet of material quality for Q235B, has certain elongation, strength, good tenacity and foundry, is easy to stamping and welding, reinforcing steel bar and steel sheet adopt the welding mode of perforation plug -weld and fix, not only has high reliability and high strength, but also is beautiful.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the construction technology field of building external wall board embedded part, specifically relates to a kind of for curtain wall dry hanging assembly type external wall board embedded device. BACKGROUND

[0002] Embedded part is the component that is installed (buried) in concealed engineering in advance, is the component that is placed when structure pours, is used for the lap joint when upper structure is built.

[0003] The existing embedded part has the problems of exceeding the allowable deviation value of specification in center line position and embedding height, and the anchoring length of the embedded part cannot meet the specification requirements, which leads to inaccurate positioning of the embedded part, thereby affecting the curtain wall construction and installation, and also brings certain degree of difficulty, affects the structure stress, and thereby affects the later curtain wall construction. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of for curtain wall dry hanging assembly type external wall board embedded device, two steel plates are equipped with screw fixing hole in the middle, it is convenient to be fixed accurately on prefabricated external wall plate component production mould;Two steel plates are welded by hot-dip galvanizing square tube, ensure that the distance between two embedded steel plates is consistent with the thickness of prefabricated external wall plate, without adjusting the height of embedded part again, it is convenient and fast to position steel plate embedded depth.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for curtain wall dry hanging assembly type external wall board embedded device, including steel plate, the steel plate is equipped with two, two The steel plate between the square tube is equipped with, the square tube is welded with steel plate, steel bar is equipped on the steel plate located above, steel bar is fixed using the way of perforation plug welding with steel plate.

[0006] Further: the thickness of the steel plate is 8mm.

[0007] Further: the square tube adopts 50x5 hot-dip galvanizing steel square tube.

[0008] Further: the steel bar is equipped with four, and each steel bar is fixed using the way of perforation plug welding with steel plate, and the steel bar selects three-grade screw thread steel HB400.

[0009] Further: two steel plates are equipped with φ6 screw fixing hole in the middle position, for accurate positioning and fixing on mould.

[0010] Compared with prior art, the utility model has the beneficial effects that:

[0011] The steel bar and the steel plate are fixed using the welding mode of perforation plug welding, which not only has high reliability and high strength, but also is beautiful.

[0012] Two steel plates in the middle of the reserved screw fixing hole, convenient for the embedded device is fixed in the prefabricated outer wall plate component manufacturing mold, and accurate positioning, meet the component embedded device installation positioning requirements, ensure the accuracy, make it meet the technical specification requirements.

[0013] Two steel plates are welded by hot-dip galvanized steel square tube, which ensures the stability of the embedded steel plate of the embedded device, and the distance between the two embedded steel plates is consistent with the thickness of the prefabricated outer wall plate, so that the embedded part height does not need to be adjusted, and the steel plate embedded depth is positioned conveniently and quickly.

[0014] Four steel bars are welded on the steel plate, and additional steel bars are welded at the end of the steel bars, so as to increase the anchoring length of the steel bars and ensure that the anchoring of the steel bars meets the specification requirements and meets the anchoring structure stress requirements. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to make the technical scheme of the embodiments of the present utility model better understood and implemented by the skilled in the art, the drawings needed in the embodiment description will be briefly introduced as follows, and obviously, the drawings in the following description are only for more clearly illustrating the technical scheme of the embodiments of the present utility model or the prior art, and for the skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 It is a whole structure schematic view of the present utility model;

[0017] Figure 2 It is a side view of the whole structure schematic view of the present utility model;

[0018] Figure 3 It is a side view of the whole structure schematic view of the present utility model;

[0019] Figure 4 It is a top view of the whole structure schematic view of the present utility model;

[0020] Figure 5 It is a steel bar and steel plate perforation plug welding schematic view of the present utility model;

[0021] Figure 6 It is an application diagram of the embedded device of the present utility model, specifically a front view of the prefabricated outer wall plate;

[0022] In the figure: 1-steel plate, 2-square tube, 3-steel bar. DETAILED DESCRIPTION

[0023] In order to make the skilled in the art better understand and implement the technical scheme of the present utility model, the present utility model will be further described in combination with specific embodiments, but the embodiments are only used to illustrate the present utility model, not to limit the present utility model.

[0024] As Figures 1-5 shown, an assembled outer wall plate embedded device for curtain wall dry hanging is provided with two steel plates 1, a square tube 2 is arranged between the two steel plates 1, the square tube 2 is welded and fixed with the steel plates 1, so as to ensure that the distance between the two steel plates 1 is consistent with the thickness of the prefabricated outer wall plate, and the height of the embedded part does not need to be adjusted; the upper steel plate 1 is provided with steel bars 3, the steel bars 3 are four, each steel bar 3 is fixed with the steel plate 1 by means of perforation plug welding, the steel bars 3 are selected from three-grade threaded steel HB400, and additional steel bars are welded at the end of the steel bars 3 to increase the anchoring length of the steel bars.

[0025] The steel plate is selected from a 8mm-thick steel plate with Q235B material; and the square tube 2 is a 50x5 hot-dip galvanized steel square tube.

[0026] In use: as Figure 6 shown

[0027] First, the curtain wall construction unit positions the curtain wall embedded device and deepens the drawings, the prefabricated component factory deepens the drawings according to the drawings deepened by the curtain wall unit, and deepens the size and position of all curtain wall embedded devices on each prefabricated outer wall plate according to the requirements of the curtain wall unit.

[0028] After the deepening drawings are completed and confirmed by all parties, the curtain wall embedded device is processed, the position of the embedded part is measured and positioned on the prefabricated outer wall plate mold, and the position of the embedded device is positioned on the mold.

[0029] The curtain wall embedded device is accurately positioned on the outer wall plate manufacturing mold table through bolts, since the distance between the steel plates of the prefabricated curtain wall embedded device is the same as the thickness of the prefabricated outer wall plate, the height of the embedded part does not need to be adjusted, which is convenient and fast.

[0030] After the positioning of the embedded device is completed, the prefabricated outer wall plate is bound with steel bars, installed with pipelines, and poured and cured with concrete to form an assembled prefabricated outer wall plate, which is then transported to the construction site for hoisting operation of the prefabricated outer wall plate. Since the curtain wall embedded part has been accurately positioned and embedded according to the drawings during the manufacture of the outer wall plate, the prefabricated outer wall plate is installed correctly, and therefore the embedded position of the curtain wall embedded device is accurate.

[0031] Technical requirements for use of the device

[0032] The steel plate and the steel bar are plug-welded, the welding rod is of E55 type, the welding quality meets the design and specification requirements, and the weld is a three-grade weld;

[0033] All welds should be fully welded during welding and should meet the requirements of "Steel Welding Machine Acceptance Regulations" JGJ18, and should not have defects such as pores, slag inclusions, cracks, etc.

[0034] After the completion of the embedded device, the sand blasting and rust removal should be carried out, and the quality should meet the relevant requirements in the "Rust Grade and Rust Removal Grade of Steel Surface before Painting" GB8923, and the surface is subjected to hot dip galvanizing corrosion protection treatment (film thickness is not less than 85 μm) ;

[0035] The welding part of the embedded device and the curtain wall connecting piece should be welded after removing the galvanized layer, and then subjected to rust removal treatment after welding is completed;

[0036] The allowable error of the side length of the steel plate processing is ±5mm, the allowable error of the length of the steel bar is , the allowable deviation of the center line of the steel bar is ±5mm; the allowable deviation of the perpendicularity of the steel bar and the surface of the steel plate is The length of the anchoring steel bar is mm) ;

[0037] The horizontal error of the embedded device during on-site installation is not more than ±20mm; the vertical error is not more than ±10mm;

[0038] The straight line segment of the embedded device steel bar is not less than 200mm;

[0039] The φ6 screw rod through hole provided in the middle of the two steel plates is used for accurate positioning and fixing of the on-site embedded device.

[0040] The contents not described in detail in the utility model are all prior art.

[0041] The above only describes the preferred embodiments of the utility model, and is not limited to the description in the specification and the embodiments. Therefore, equivalent changes or modifications made according to the structure, features and principles described in the patent application range of the utility model should be included in the patent application range of the utility model.​

Claims

1. A prefabricated outer wall panel embedded device for curtain wall dry hanging, comprising a steel plate (1), characterized in that: The steel plate (1) is provided with two, two steel plates (1) between the square tube (2) is provided with, square tube (2) and steel plate (1) welding, the upper steel plate (1) is provided with steel bar (3), steel bar (3) and steel plate (1) using the way of hole plug welding fixed.

2. The prefabricated device for curtain wall dry hanging according to claim 1, characterized in that: The steel plate (1) selects 8mm thick steel plate.

3. The prefabricated device for curtain wall dry hanging according to claim 1, characterized in that: The square tube (2) adopts 50*5 hot galvanizing steel square tube.

4. The prefabricated device for curtain wall dry hanging according to claim 1, characterized in that: The steel bar (3) is provided with four, each steel bar (3) is fixed with steel plate (1) by using the way of hole plug welding, and the steel bar selects three grade screw steel HB400.

5. The prefabricated device for curtain wall dry hanging according to claim 1, characterized in that: The middle position of two steel plates (1) is provided with φ6 screw fixed hole for fixing on the mold.