CN212535440U - Integrally prefabricated external window, connected node of wafing - Google Patents

Abstract

The utility model discloses a whole prefabricated external window, connected node of wafing belongs to the assembly type structure field. The integrally prefabricated externally-hung bay window can be processed and assembled in a factory except the connecting position with the frame beam and the floor slab to form a complete product, and can be adapted with the traditional frame structure, the prefabricated assembled concrete (PC) structure and the steel structure assembled building structure in an externally-hung manner, so that on one hand, the integral quality and precision of the bay window are ensured; on the other hand, the interior and exterior decoration, the interior heat preservation and the fire prevention of the bay window component are all finished in a workshop, so that the field construction is reduced, and the construction efficiency is improved.

Description

Integrally prefabricated external window, connected node of wafing

Technical Field

The utility model belongs to the assembly type structure field, concretely relates to a prefabricated window structure that wafts for assembly type structure.

Background

The traditional force-bearing component of the civil construction bay window generally comprises an upper bay plate, a window top beam connected with the upper bay plate, a lower bay plate, a window bottom beam connected with the lower bay plate, a concrete component cast in site construction, an outer enclosure wall body and the like, the construction process comprises wall building, steel bar binding, supporting, concrete casting, maintenance, form removal and the like, when the bay window is installed, a window frame is required to be conveyed to the bay window plate position for alignment and fixation, and the processes of caulking, gap filling, bay window plate waterproof and heat insulation, outer wall painting decoration, inner wall painting decoration, window sash installation and the like are carried out. For example, the invention patent with the application number of CN2013106966668. X provides a construction method of a cantilever bay window plate concrete integral pouring structure, in the invention, the bay window plate position is reserved in the concrete wall body construction process, the upper bay window plate, the window upper connecting beam and the upper floor slab are poured simultaneously, the lower bay window plate and the upper part of the window lower connecting beam are poured simultaneously, and the construction method can be applied to the construction of the non-floor type bay window of the cast-in-place concrete shear wall structure house.

The construction process of the traditional steel structure bay window comprises the steps of welding steel columns on two sides with a main body frame on site, welding steel frames on an upper layer and a lower layer of a prefabricated bay window with the steel columns on the two sides according to upper and lower required positions, then binding steel bars, supporting and touching, pouring concrete, maintaining, removing a mold and the like, carrying a window frame to the bay window plate position for alignment and fixing when the bay window is installed, and carrying out the processes of caulking, joint filling, waterproof and heat preservation of the bay window plate, exterior wall painting decoration, interior wall painting decoration, window sash installation and the like. In addition, the prefabricated bay window structure is complicated in the subsequent installation process, and the prefabricated structure of the prefabricated bay window structure needs to be finely adjusted according to the difference of installation positions, so that the complexity of field construction is greatly increased, and the assembly efficiency is reduced. For example, the invention patent with the application number of CN201810235282.1 provides a mounting structure and a mounting method of a prefabricated bay window, wherein the mounting structure comprises the prefabricated bay window, a prefabricated outer wall, a preformed hole, a positioning embedded part, a connecting piece, an insulating layer and a protective layer. However, the bay window is prefabricated with the prefabricated outer wall and the window body together, and is not suitable for different wall structures.

The two methods have the problems of large field construction amount, complex process, multiple working procedures, slow progress, low efficiency, long period, difficult quality control and the like, and the whole operation process of constructors is outdoor operation and high-altitude operation, so that the working environment is poor and potential safety hazards exist. Therefore, although the traditional steel structure bay window steel beam is convenient to install, the overall construction of the bay window cannot reflect the industry development directions of energy conservation, prefabrication and assembly, and the overall built-in structure needs to spend a large amount of time on site for maintenance and decoration. Therefore, it is an urgent technical problem to design a prefabricated bay window structure capable of realizing high prefabrication and having fewer field construction processes.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned defect among the prior art to a whole prefabricated external window that wafts is provided, makes it can realize high prefabrication, reduces the required process of site operation, accords with the development direction of energy-conservation, prefabrication, the assembly of assembly type structure.

The utility model discloses the concrete technical scheme who adopts as follows:

in a first aspect, the utility model provides an integrally prefabricated external bay window, which comprises a bay window top plate, a bay window bottom plate and two upright posts; the upright column is a concrete column with built-in steel components, the steel components in the column are arranged along the center of the column in a through length mode, a first side hanging connecting piece used for being connected with an external upper frame beam is fixed at the top end of each steel component, and a second side hanging connecting piece used for being connected with a lower frame beam is fixed at the bottom end of each steel component; the two upright posts are arranged in parallel and at intervals; the bay window top plate and the bay window bottom plate are both arranged on the same side of the plane where the two upright posts are arranged in an overhanging manner, three overhanging sides in a clamping space of the bay window top plate and the bay window bottom plate are enclosed by the outer vertical surface of the bay window, and the rest side is open to form an outward protruding bay window body; the fixed ends of the bay window top plate and the bay window bottom plate are connected with the two upright posts into a whole, and the bay window body is supported by the upright posts on the two sides; the upper edge of the fixed end of the bay window top plate is lower than the first side hanging connecting pieces on the two sides, and the space between the two upright posts above the fixed end of the bay window top plate is filled with an upper wall plate; the fixed end of the bay window bottom plate is suspended relative to the bottom ends of the two stand columns, and the space between the two stand columns below the fixed end of the bay window bottom plate is filled by the lower wall plate.

Preferably, a fireproof layer, an insulating layer and an inner decoration layer are paved on the inner wall surface of the bay window body.

Preferably, in the column, the steel member is an I-steel, and the steel member is wrapped by reinforced concrete to form a section steel concrete column with a rectangular section; preferably, a hoisting connecting piece is fixedly connected to a web plate of the I-shaped steel, and the hoisting connecting piece is further preferably an internal thread sleeve with an opening positioned on the surface of the upright post.

Furthermore, the bay window top plate and/or the bay window bottom plate are of reinforced concrete structures, and two sides of the reinforced concrete structures are supported by steel beams; the reinforced concrete structure consists of a fixed end and a cantilever plate, and the cross section of the reinforced concrete structure is in a straight shape; the reinforcing steel bars at the fixed end of the bay window bottom plate and the reinforcing steel bars in the two upright posts are fixedly bound and welded, and the bay window bottom plate and the concrete of the upright posts are integrally poured; one end of a steel beam on each side of the bay window bottom plate is fixed on a steel member in the upright post on the same side through a cantilever, a reinforcing structure is arranged at a fixed position, and the other end of the steel beam extends into the cantilever plate to be fixed; preferably, the steel beam is a channel steel; preferably, the reinforcing structure is a reinforcing rib arranged on the I-shaped steel. For the convenience of subsequent bidding, the scheme is referred to as a 'straight-line scheme'.

Furthermore, the first side-hung connecting piece is an upper connecting bolt hole formed in a vertical web plate at the top of the I-shaped steel.

Preferably, the bay window top plate is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end of the bay window top plate is upturned relative to the cantilever plate, and the cross section of the bay window top plate is L-shaped; the reinforcing bar of stiff end and the reinforcing bar in two stands pass through the ligature welded fastening, and the concrete body of window roof and stand that wafts is pour.

Preferably, the bay window bottom plate is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end of the bay window bottom plate is turned downwards relative to the cantilever plate, and the cross section of the bay window bottom plate is in an inverted L shape; the reinforcing steel bar of stiff end and the reinforcing steel bar in two stands pass through the ligature welded fastening, and the concrete body of window bottom plate and stand that wafts is pour.

As another preferred, the second side hang connecting piece include lower end plate and lower connecting plate, lower end plate horizontal fixation in the bottom of steel member, lower connecting plate vertical fixation in lower end plate bottom surface, and seted up down the connecting bolt hole on the lower connecting plate.

Preferably, all or part of the bay window facade is a glass window.

As another preferred mode, the upper wall board and/or the lower wall board are light wall boards.

As another preferred mode, the bottom surfaces of the bay window top plate and the bay window bottom plate are both provided with water dripping lines, and the top surface of the bay window top plate is provided with a running water slope.

In a second aspect, the utility model provides a connecting node of the integrally prefabricated external floating window and the building structure according to any one of the first aspect, wherein the external floating window is installed on the upper frame beam and the lower frame beam of the same floor of the building structure through two upright posts; the top parts of the two stand columns are fixedly connected with the side surface of a first embedded connecting piece connected and supported on the upper frame beam through a first side hanging connecting piece, and the bottom parts of the two stand columns are fixedly connected with the side surface of a second embedded connecting piece connected and supported on the lower frame beam through a second side hanging connecting piece; two stands are external for the outer wall face, the window form that wafts is encorbelmented on protrusion in building structure's the outer wall body, and the last edge of last wallboard is located the elevation within range of upper floor, and the lower edge of wallboard is located the elevation within range of the floor of window place that wafts down.

As another preferred mode, the first embedded connecting piece is composed of a first prefabricated piece; the first prefabricated part comprises a first side hanging plate, wherein one side of the first side hanging plate is provided with a supporting leg, a steel grabbing rib and a built-in threaded sleeve communicated with the surface of the first side hanging plate, the vertical plate surface of the supporting leg is arranged and used for supporting on a frame beam, and the steel grabbing rib and the built-in threaded sleeve are positioned above the supporting leg and are embedded in an upper floor slab; the first side hanging plate below the supporting leg is provided with a bolt hole for being in bolted connection with the first side hanging connecting piece.

Further, the second embedded connecting piece is formed by connecting a first prefabricated piece and a second prefabricated piece, the second prefabricated piece comprises a second side hanging plate, a third side hanging plate and a bottom plate, the third side hanging plate and the bottom plate are vertically connected and fixed, and a fixing hole for butting with a built-in threaded sleeve on the first side hanging plate is formed in the third side hanging plate; the second side hanging plate is fixed at the internal corners of the third side hanging plate and the bottom plate, and a connecting hole for being in bolted connection with the lower connecting plate is formed in the plate surface.

Further, the upper frame beam and/or the lower frame beam are I-shaped steel.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses an external window that wafts of whole prefabrication except that with frame roof beam and floor hookup location all can process and assemble in the mill, forms a complete product, can with traditional frame construction, prefabricated assembled concrete (PC) structure and steel construction assembly type building structure with external mode adaptation. This whole prefabricated external window that wafts has two aspects advantage: on one hand, the overall quality and precision of the bay window are ensured (the connection seam between the light wall panels of the bay window on the upper layer and the lower layer adopts the adhesive tape to block the embedding of the edge seams between the window frame, the upper bay window panel, the lower bay window panel and the bay window upright post and also adopts the adhesive tape, thus improving the impermeability and air tightness of the part of the joint; on the other hand, the interior and exterior decoration, the interior heat preservation and the fire prevention of the bay window component are all finished in a workshop, so that the field construction is reduced, and the construction efficiency is improved.

Drawings

FIG. 1 is an elevation view of a first type of integrally prefabricated external bay window;

FIG. 2 is a sectional view taken along line A-A of the integrally prefabricated bay window of FIG. 1;

FIG. 3 is a three-dimensional view of a column inner steel structure prefabricated member in the integrally prefabricated external bay window of FIG. 1;

FIG. 4 is a schematic view of a connection node (not installed with an outer vertical surface) between the integrally prefabricated external bay window and the building structure in FIG. 1;

FIG. 5 is a cross-sectional view E-E of the connection node of FIG. 4;

FIG. 6 is a cross-sectional view F-F of the connection node of FIG. 4;

FIG. 7 is a third view of the first preform of the connection node of FIG. 4;

FIG. 8 is a third view of a second preform of the connection node of FIG. 4;

FIG. 9 is a three-dimensional view of the first preform and the second preform joined at the joint of FIG. 4;

FIG. 10 is a schematic view of the connection between the top of the vertical column and the first pre-buried connecting member;

FIG. 11 is a schematic view of the connection between the bottom of the vertical column and the second embedded connecting member;

FIG. 12 is an elevation view of a second version of an integrally prefabricated exterior bay window;

FIG. 13 is a sectional view taken along line A-A of the integrally prefabricated bay window of FIG. 12;

fig. 14 is a schematic view (without an outer vertical surface) of a connecting node of the integrally prefabricated external bay window and the building structure in fig. 12;

FIG. 15 is a cross-sectional view E-E of the connection node of FIG. 14;

FIG. 16 is a cross-sectional view F-F of the connection node of FIG. 14;

FIG. 17 is a three-dimensional view of a column inner steel structure preform in the integrally prefabricated bay window of FIG. 14;

FIG. 18 is a front and top view of the steel beam;

FIG. 19 is a schematic view of the I-beam upper boom with steel beam;

FIG. 20 is a schematic diagram of the binding of reinforcing bars around the I-beam;

FIG. 21 is a schematic representation of reinforcement in the bay window roof;

FIG. 22 is a schematic representation of reinforcement in the bay window floor;

the reference numbers in the figures are: the floating window comprises a vertical column 1, a floating window top plate 2, a floating window bottom plate 3, a lower wall plate 4, a glass window 5, an upper frame beam 6, a lower frame beam 7, a floor slab 8, a second embedded connecting piece 9, a first embedded connecting piece 10, a steel beam 11, an upper wall plate 12, I-steel 101, an upper end plate 102, a lower end plate 103, a hoisting connecting piece 104, a steel bar 105, concrete 106, an upper connecting bolt hole 107, a lower connecting plate 108, a reinforcing rib 109, a first side hanging plate 901, a bolt hole 902, supporting legs 903, steel grabbing ribs 904, a built-in threaded sleeve 905, a second side hanging plate 906, a third side hanging plate 907 and a bottom plate 908.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention. The utility model discloses technical characteristics in each embodiment are under the prerequisite that does not conflict each other, all can carry out corresponding combination.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element, i.e., intervening elements may be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

The utility model provides an in the whole prefabricated external window that wafts, there are two kinds of forms, and its form that lies in the luffer boards is different. The first type is a bay window plate with an L-shaped section, and the second type is a bay window plate with a straight line shape. The following description will be respectively carried out on two types of integrally prefabricated externally-hung bay windows so as to facilitate understanding of the implementation form of the utility model.

In one embodiment, an integrally prefabricated bay window of the first type is provided, and referring to fig. 1 and 2, a main structure of the integrally prefabricated bay window specifically includes a bay window top plate 2, a bay window bottom plate 3 and two vertical columns 1. The column 1 is a concrete column with built-in steel components, the steel components in the column are arranged along the center of the column in a through length mode, and the section form of the concrete column needs to be determined according to the design requirements of buildings. The form of the steel component in the column is not limited, for example, the steel component can be formed by binding steel bars meeting the strength requirement, and the steel component can also be formed by matching profile steel with the steel bars. In the embodiment, the steel member in the column 1 is the i-beam 101, the reinforced concrete is wrapped outside the i-beam 101, and the concrete parameters of the steel bar 105 and the concrete 106 are designed according to the relevant specifications, so that the section steel concrete column with the square section is formed. The structure of the i-beam 101 is shown in fig. 3, a first side hanging connecting piece for connecting with the external upper frame beam 6 is fixed at the top end of the steel member, and a second side hanging connecting piece for connecting with the lower frame beam 7 is fixed at the bottom end of the steel member. It should be noted that the first side hitch coupler may be directly or indirectly coupled to the side of the upper frame rail 6 and the second side hitch coupler may be directly or indirectly coupled to the side of the lower frame rail 7.

Here, the first side hanging connector is a connector for hanging the whole of the pillar 1 on the side of the upper frame member 6 with the side thereof being close to the side of the outer upper frame member 6, in order to fix the pillar 1 to the side of the upper frame member 6 and the lower frame member 7 in an externally hung manner. The first side hanging connecting piece is not limited as long as the first side hanging connecting piece has enough strength and can be connected and fixed with the side part of the upper frame beam 6. The first side-hung connecting piece adopted in the embodiment is an upper connecting bolt hole 107 formed in a vertical web plate at the top of the I-beam 101, the topmost end of the I-beam 101 is horizontally fixed with an upper end plate 102, and the upper end plate 102 can be directly welded and fixed at the top end of the I-beam 101 by adopting a steel plate. In actual engineering, high-strength bolts may be inserted into the upper tie bolt holes 107 to be fixed to the side portions of the upper frame rails 6.

Here, the second side hanging connector is a connector for hanging the whole of the pillar 1 on the side of the lower frame member 7 with the side thereof being close to the side of the outer lower frame member 7, in order to fix the pillar 1 to the side of the upper frame member 6 and the lower frame member 7 in an externally hung manner. The second side hangs the connecting piece form and does not limit as long as can hang the connecting piece cooperation with first side, realize the spacing fixed and vertical load bearing of stand 1 bottom can. In this embodiment, the second side-hung connector includes a lower end plate 103 and a lower connecting plate 108, the lower end plate 103 is horizontally welded and fixed to the bottom of the i-beam 101, and the lower connecting plate 108 is vertically fixed to the bottom surface of the lower end plate 103. The lower end plate 103 can be directly welded and fixed at the bottom end of the I-shaped steel 101 by adopting a steel plate. Similarly, similar to the fixing manner of the first side-hung connecting member, in practical engineering, the second side-hung connecting member and the lower frame beam 7 or the embedded fixing member on the lower frame beam 7 are generally fixed by using a high-strength bolt, so that the lower connecting plate 108 also needs to be provided with a lower connecting bolt hole in advance. The number and size of the lower connecting bolt holes are determined according to the number of required bolts, and 2 in total are provided in the embodiment.

In addition, in the present embodiment, for convenience of subsequent hoisting, it is preferable that the hoisting connector 104 is fixedly connected to the web of the i-beam 101. The hoisting connecting piece 104 can be realized by selecting different structures according to hoisting forms, in this embodiment, the hoisting connecting piece 104 is realized by using an internal thread sleeve, one end of the internal thread sleeve is welded and fixed on the web plate of the i-steel 101, and the other end of the internal thread sleeve is an open end, and the open end is located on the concrete surface of the upright post 1. In the subsequent hoisting process, the external thread fixing piece used for hoisting can be conveniently screwed into the opening of the internal thread sleeve, and then hoisting is carried out. After the hoisting is finished, the external thread fixing piece can be unscrewed again, the concrete surface of the upright post 1 is blocked and plastered, and the internal thread sleeve is hidden. Of course, in other embodiments, the hoisting connector 104 may be eliminated if the integral hoisting of the bay window does not require the setting of a hoisting point.

Two posts 1 serve as fixed carriers for the entire bay window, which need to be maintained in a parallel and spaced arrangement. The interval between two stands 1 needs to be decided according to the span of whole window that wafts, and two stands 1 are located the both sides of window body that wafts respectively, play the effect of bearing the vertical weight of window body that wafts. Similar with traditional window form of wafting, the utility model provides a window roof 2 and the window bottom plate 3 that wafts also all erect on two stands 1 with the form of encorbelmenting, and the window roof 2 that wafts is last, and the window bottom plate 3 that wafts is under, and the window roof 2 that wafts and the window bottom plate 3 that wafts need arrange at two stands 1 place planar homonymies, and interval between the two is decided according to the design parameter of the window that wafts.

The bay window top plate 2 and the bay window bottom plate 3 in the embodiment both adopt bay window plates with L-shaped cross sections, and the L-shaped cross section means that the cross section of the bay window plates from the fixed end to the overhanging end is L-shaped. The bay window top plate 2 is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end of the bay window top plate is turned upwards relative to the cantilever plate, and the cross section of the bay window top plate 2 is in a regular L shape. The thickness of stiff end equals with stand 1's thickness, and the reinforcing bar of stiff end passes through ligature welded fastening with the reinforcing bar in two stands 1, and the concrete body of bay window roof 2 and stand 1 is pour. Similarly, the bay window bottom plate 3 is also of a reinforced concrete structure consisting of a fixed end and a cantilever plate, and is different in that the fixed end is turned down relative to the cantilever plate to avoid occupying the space between the two bay window plates, and the bay window bottom plate 3 has an inverted L-shaped cross section. The thickness of its stiff end also equals with the thickness of stand 1, and the reinforcing bar of stiff end and the reinforcing bar in two stands 1 pass through ligature welded fastening, and the concrete body of window bottom plate 3 and stand 1 pours that wafts.

The utility model discloses an in the whole prefabricated external window that wafts, the centre gripping space between window roof 2 that wafts and the window bottom plate 3 that wafts is as the window space that wafts, and three sides are outwards encorbelmented for two stand 1 place planes in this space, and the opposite side is two stand 1 place planes promptly. In the traditional bay window, three overhanging sides need to be subjected to field operation, which can greatly increase the time required for installing the bay window and the difficulty of the field operation. Therefore, in the embodiment, three sides of the overhanging window space are directly surrounded by the outer vertical surface of the bay window in a factory, and the rest side is open, so that a prefabricated outwards-protruding bay window body is formed, redundant processing of the outer vertical surface is not needed in the subsequent hoisting process, and the process and time required by the installation of the bay window are greatly simplified. For the floating window body, the fixed end of the top plate 2 of the floating window, namely the other end far away from the overhanging end, is connected with the two upright posts 1 into a whole, the fixed end of the bottom plate 3 of the floating window is also connected with the two upright posts 1 into a whole, so that the whole floating window body and the upright posts 1 on the two sides form a stress system, and the weight of the whole floating window body is borne by the upright posts 1 on the two sides.

The utility model discloses an in the whole prefabricated external window that wafts, the concrete form of the outer facade of window that wafts can be confirmed according to the design drawing, can be whole or part be glass window 5. Specifically, the three side facades may be the same or different, and the facade on each side may be a wall, or a partial glass window of the wall, or a whole glass window. In view of the lighting and aesthetic requirements of the fenestration, in a preferred embodiment, all three-sided facade is designed as a glazing. When the outer vertical surface is provided with the glass window, the window frame of the bay window which is completed by assembling the frame can be installed on the outer vertical surface as required in a factory, the window sashes can be installed on the window frame before being hoisted, and the bay window can also be installed after the whole bay window is hoisted to a target position for installation. Under the condition that the hoisting safety requirements can be met, the window sashes are preferably installed in a factory together, and only need to be hoisted on site directly, so that the construction procedures are reduced.

And simultaneously, in order to further reduce required process and time of site operation, the utility model discloses controlling whole last edge and the lower edge of the window that wafts, making the window roof 2 that wafts after its integral hoisting installation can with the 6 joints of upper ledge roof beams, and 3 lower part wall bodies of window bottom plate that wafts can joint with floor 8, avoid appearing the condition that needs the site pouring. Therefore, the utility model discloses the first side of both sides is less than along hanging the connecting piece, and the first side of both sides is hung the connecting piece and is the upper end plate in this embodiment on the fixed end of well bay window roof 2. In addition, the space between the two columns 1 above the fixed end of the bay window top plate 2 is filled with the upper wall plate 12. Under this way, can be through the height of adjustment top wall panel 12 when prefabricating for the upper edge of top wall panel 12 is located the upper floor 8 elevation within range of the upper strata floor 6 top of the upper frame roof beam 6 on the layer that the window that wafts after the installation of the window, need not to carry out extra wall body and pour again. In addition, 3 lower part walls of window bottom plate that wafts also need carry out the control of bottom elevation equally, owing to the form of the window that wafts has decided that conventional window bottom plate 3 that wafts need keep the certain distance with the floor 8 surface, consequently is in the utility model discloses the bottom that well design window bottom plate 3 that wafts is unsettled for two stands 1, and is located the space below 3 stiff ends of window bottom plate that wafts between two stands 1 and fills with the wall body. Because concrete placement's 3 weight of window bottom plates that waft are great, consequently the utility model discloses in adopt wallboard 4 to fill under the space that is located 3 stiff ends of window bottom plates that waft between two stands 1. Under this way, can be through the height of wallboard 4 under the adjustment when prefabricating for make after the window installation of wafing waft under the window bottom plate 3 wallboard 4 along can directly be located the floor 8 elevation within range of layer of wafing the window place layer under the window installation, need not to carry out extra wall body and pour.

It should be noted that the utility model discloses in the parallel and level, the elevation that does not necessarily require both is completely unanimous, considers that inevitable error exists in the construction, and its parallel and level state also allows to exist certain error.

In another embodiment, the embedding of the edge seams between the window frame and the bay window top plate 2, the bay window bottom plate 3 and the upright posts 1 can be realized by using adhesive tapes so as to improve the impermeability and air tightness of the part of the joint.

In another embodiment, lightweight wall panels may be preferred for both the top wall panel 12 and the bottom wall panel 4 to minimize weight while maintaining overall strength. The specific material of the light wall board can adopt any light material which meets the building specification requirement in the prior art, and the light wall board is not limited.

In another embodiment, the inner wall surface of the bay window body near the indoor space can be pre-paved with a fire-proof layer, an insulating layer and an inner decoration layer before leaving the factory. The decorative layer, the internal heat preservation and the fire prevention of the bay window component are all manufactured in a workshop, and only integral hoisting, steel structure connection and building surface layer transition at a connection position are needed on site, so that the site construction can be further reduced, and the construction efficiency is improved. In addition, the outer decorative layer, the waterproof layer or other necessary structural layers of the bay window can be prefabricated in a factory, and the bay window can be adjusted according to actual design requirements. Certainly, if the interior trim of each bay window needs to be adjusted individually, the interior decoration layer may not be prefabricated, and the subsequent owner is left to design and install the interior trim, which is not limited to this.

In another embodiment, the bottom surfaces of the bay window top plate 2 and the bay window bottom plate 3 are provided with water dripping lines, and the top surface of the bay window top plate 2 is provided with a running water slope with a high inside and a low outside to enhance the drainage capability.

The utility model discloses an above-mentioned whole prefabricated external window that wafts during manufacturing, can be fixed according to the designing requirement with two in-post steel construction prefabs that waft window stand 1 in the mill, and will waft window roof 2 and waft window bottom plate 3 positions between the stand and reserve, set up structure cloth muscle and formwork in the reservation position according to the designing requirement, reserve the water drip simultaneously below wafing window roof 2 and wafting window bottom plate 3, 2 upper surface preparation flowing water slopes wafting window roof, the top that 2 top surfaces of wafting window roof are close to wafting window stand 1 one side sets up light wallboard, 3 bottom surfaces of wafting window bottom plate set up light wallboard near the bottom of wafting window stand 1 one side, then in the pouring concrete of whole die cavity, thereby preliminarily form required structure wafting window. In addition, the whole prefabricated bay window module also comprises an inner heat-insulating layer, a window frame and window sash glass combination and an inner decorative surface material, which can be finished in a factory as required, the whole prefabricated bay window module is hoisted through exposed hoisting connecting pieces 104 reserved on two sides of the bay window upright post 1, the upper part of the whole prefabricated bay window module is connected with embedded pieces fixed on the upper frame beam 6 on the site through upper connecting bolt holes 107, and the lower part of the whole prefabricated bay window module is connected with embedded pieces fixed on the lower frame beam 7 through lower connecting plates 108. In the whole connection and installation process of the bay window, the internal thread sleeve as the hoisting connecting piece 104 can be used as a temporary fixing hole. And finally, after the construction is finished, the internal thread sleeve can be covered and filled, and together with the welding and reinforcing connection part, the anti-rust treatment and the building surface layer transition are carried out, so that the construction of the whole bay window can be finished.

Referring to fig. 4-6, in another embodiment of the present invention, there is further provided a connection node of the integrally prefabricated floating window and the building structure shown in fig. 1 and 2. In the node, the external hanging bay window is arranged between an upper frame beam 6 and a lower frame beam 7 of the same layer of a building structure through two upright posts 1. Generally speaking, in a traditional fabricated steel structure building, the upper frame beam 6 and the lower frame beam 7 are i-shaped steel, so the tops of the two columns 1 are fixedly connected with the side surface of a first embedded connecting piece 10 connected and supported on the upper frame beam 6 through a first side-hung connecting piece, and the bottoms of the two columns are fixedly connected with the side surface of a second embedded connecting piece 9 connected and supported on the lower frame beam 7 through a second side-hung connecting piece. Two stands 1 are external for the outer wall face, and the window body that wafts is encorbelmented on building structure's outer wall body, and its weight is born by upper frame roof beam 6 and underframe roof beam 7. The upper edge of the upper wallboard 12 is positioned in the elevation range of the upper floor slab 8, and the lower edge of the lower wallboard 4 is positioned in the elevation range of the floor slab 8 where the bay window is positioned, so that the wall body does not need to be additionally cast in place.

The form of first pre-buried connecting piece 10 and second pre-buried connecting piece 9 is not limited, in a preferred embodiment of the utility model, first pre-buried connecting piece 10 comprises first prefab. Referring to fig. 7, the first prefabricated member includes a first side hanging plate 901, one side of the first side hanging plate 901 is provided with a supporting leg 903, a steel grab bar 904 and a built-in threaded sleeve 905 that communicates with the surface of the first side hanging plate 901 (i.e. an opening of the built-in threaded sleeve 905 is located on the outer surface of the first side hanging plate 901), the supporting leg 903 is provided with a vertical plate surface for supporting on a fixed frame beam, and the steel grab bar 904 and the built-in threaded sleeve 905 are located above the supporting leg 903 and are pre-embedded in an upper floor 8. A bolt hole 902 is formed in a first side hanging plate 901 below the supporting leg 903, and the bolt hole 902 can be connected with a first side hanging connecting piece through a bolt to achieve hanging. Since the first embedded connector 10 is finally wrapped by concrete, the built-in threaded sleeve 905 is provided to facilitate the bolt to be smoothly screwed into the first side hanging plate 901 during subsequent installation. The internal thread sleeve 905 can be directly welded and fixed on the side surface of the first side hanging plate 901, and the internal thread of the internal thread needs to be matched and meshed with a high-strength bolt adopted for installation.

The second embedded connecting piece 9 is formed by connecting a first prefabricated piece and a second prefabricated piece. The first prefabricated member structure is shown in fig. 7, while the second prefabricated member structure is shown in fig. 8, and comprises a second side hanging plate 906, a third side hanging plate 907 and a bottom plate 908, wherein the third side hanging plate 907 and the bottom plate 908 are vertically connected and fixed, and a fixing hole for butting with a built-in threaded sleeve 905 on the first side hanging plate 901 is formed in the third side hanging plate 907. The second side hanging plate 906 is welded and fixed at the internal corners of the third side hanging plate 907 and the bottom plate 908, and a connecting hole for bolting with the lower connecting plate 108 is formed in the plate surface. Second side hanging plate 906 and third side hanging plate 907 and bottom plate 908 are kept in a vertical state at the same time. The first prefabricated member and the second prefabricated member are attached to each other through the first side hanging plate 901 and the third side hanging plate 907, then the bolts are screwed into the fixing holes in the built-in threaded sleeves 905 and the third side hanging plate 907 to achieve fixed connection, and the final connection form of the second embedded connecting piece 9 is shown in fig. 9.

Therefore, through the combination of the first prefabricated member and the second prefabricated member, the first embedded connecting piece 10 and the second embedded connecting piece 9 can be formed respectively, and the processing complexity of the prefabricated members is reduced. The first prefabricated member and the second prefabricated member can be machined by common steel, and machining cost is reduced. Finally, after the integrally prefabricated external hanging bay window is connected with the building structure and installed, the two upright posts 1 are hung externally relative to the outer wall surface, the bay window body is hung and protruded on the outer wall body of the building structure, the upper edge of the upper wall plate 12 is positioned in the elevation range of the upper floor plate 8, the lower edge of the lower wall plate 4 is positioned in the elevation range of the floor plate 8 where the bay window is positioned, and the amplification nodes of the two connection positions are respectively shown in fig. 10 and 11. At the moment, an extra site pouring process is not needed, and only necessary processes such as sealing, waterproofing and the like of the position of the connecting joint need to be processed, so that the progress of site construction can be greatly accelerated.

Of course, in the utility model discloses an in other embodiments, if upper frame roof beam 6 is not the I-steel, but other cast-in-place roof beams, the utility model discloses an installation still can be realized to whole prefabricated external window of wafing, as long as reserve its mounted position and connecting piece on the roof beam body can. Therefore, the utility model can be applied to different building forms.

In addition, in the embodiment, the first embedded connecting piece 10 and the second embedded connecting piece 9 are fixed to the upper and lower frame beams in a bearing manner through the side portion of the floor slab 8 built above the upper and lower frame beams, but in other embodiments, the first embedded connecting piece and the second embedded connecting piece may be directly fixed to the side portion of the upper and lower frame beams in a bearing manner through corresponding fixing pieces, and the bearing is not limited.

In another embodiment of the present invention, there is provided an integrally prefabricated external bay window of the second type, which is different from the first type mainly in the fixing manner between the i-steel 101 in the pillars 1 at both sides of the bay window and the top plate 2 and bottom plate 3 of the bay window. Referring to fig. 12 and 13, the main structure of the floating window also includes a floating window top plate 2, a floating window bottom plate 3 and two columns 1. As shown in fig. 17, the column 1 is a concrete column with a built-in steel member, and the concrete structure of the column is similar to that of the column 1 shown in fig. 3, the steel member is an i-steel 101, and reinforced concrete is wrapped outside the i-steel 101 to form a section steel concrete column with a square section. The top end of the I-steel 101 is fixed with a first side-hung connecting piece, namely an upper connecting bolt hole 107, for connecting with the side surface of the external upper frame beam 6, and the bottom end of the steel member is fixed with a second side-hung connecting piece, namely a lower end plate 103 and a lower connecting plate 108, for connecting with the side surface of the floor slab 8. However, unlike the column 1 in fig. 3, a reinforcing rib 109 is further fixed to the lower portion of the i-beam 101 by full welding, the reinforcing rib 109 is disposed on both sides of the web, there are two upper and lower pieces on each side, and the height of the steel beam 11 between the two pieces is the same. As shown in fig. 18, the steel beam 11 is fixed in a cantilever manner at the position of the reinforcing rib 109 of the i-beam 101. As shown in fig. 19, in the present embodiment, the steel beam 11 is a channel steel, and a through hole for penetrating and fixing the steel bar is opened along the channel steel (i.e. on the surface along the direction of the steel beam). Referring to fig. 15, the bay window bottom plate 3 in this embodiment is a reinforced concrete structure supported on both sides by steel beams 11; the reinforced concrete structure consists of a fixed end and a cantilever plate, and the cross section of the reinforced concrete structure is in a straight shape, namely the fixed end does not need to be turned down and can keep the same thickness with the cantilever plate. The reinforcing steel bar of 3 stiff ends of the window bottom plate that wafts and the reinforcing steel bar in two stands 1 pass through the ligature welded fastening, and the window bottom plate that wafts 3 pours with the concrete an organic whole of stand 1. Because the structure of turning down of stiff end has been reduced, consequently 11 one end of girder steel of 3 every sides of window bottom plate that waft in this embodiment need rely on the cantilever to be fixed in girder steel 11 in homonymy stand 1 and carry out the auxiliary stay, and the girder steel 11 other end is fixed in stretching into the lateral part concrete of the board of encorbelmenting. Meanwhile, in order to ensure the structural strength of the connection position of the steel beam 11 and the upright 1 and prevent the possibility of deformation, the fixing position needs to be provided with the reinforcing rib 109 for structural stress reinforcement. Of course, the reinforcing rib 109 is only one of the realization forms, and the reinforcing can also be realized by thickening the plate thickness of the upright post 1.

In this embodiment, the remaining positions, such as the side elevation, the interior insulation, etc., may be the same as in the embodiment shown in fig. 1 and 2. The form of the connection node of the integrally prefabricated externally hung bay window and the building structure is shown in figures 14-16.

The first type and the second type of integrally prefabricated external hanging bay windows can be prefabricated in a factory and then transported to a site for direct hoisting. For further understanding, two forms of manufacturing methods are provided below.

The manufacturing method of the first type prefabricated external floating window shown in the figures 1 and 2 comprises the following steps:

s1: a horizontal upper end plate 102 is fixedly welded on the top of the I-beam 101, and an upper connecting bolt hole 107 is formed in a vertical web plate at the position below the upper end plate 102 on the top of the I-beam 101; a horizontal lower end plate 103 is fixedly welded at the bottom of the I-shaped steel 101, a vertical lower connecting plate 108 is fixedly welded at the bottom surface of the lower end plate 103, and a plurality of lower connecting bolt holes are formed in the lower connecting plate 108; and a hoisting connecting piece 104 is welded and fixed on the web plate of the I-shaped steel 101. In order to ensure the connection strength, all the joints are fixed by full welding, and two I-shaped steels 101 are processed in total and are respectively used for forming the upright columns 1 on two sides.

S2: arranging reinforcing steel bars 105 on the periphery of the I-shaped steel 101 in the S1, wherein the four long corners are respectively provided with thread reinforcing steel bars in a through-length mode, and binding and fixing the thread reinforcing steel bars in the length direction according to the designed distance to form a steel structure inside the upright column, as shown in fig. 20.

S3: aiming at the bay window top plate 2 with the L-shaped section and the bay window bottom plate 3 with the inverted L-shaped section, steel bars in the plates are arranged, bound and fixed to form an inner steel structure of the bay window top plate and an inner steel structure of the bay window bottom plate, respectively as shown in fig. 21 and 22.

S4: and placing the two groups of upright post internal steel structures obtained in the S2, the upper wall plate 12, the lower wall plate 4, the bay window top plate 2 internal steel structures obtained in the S3 and the bay window bottom plate 3 internal steel structures into a concrete pouring mold in sequence, and binding, welding and fixing the bay window top plate 2 internal steel structures and the bay window bottom plate 3 internal steel structures with the steel bars in the two groups of upright post 1 internal steel structures. And then checking and adjusting the distance between each steel structure and the die to a design value according to the design drawing. The concrete size parameters of the die can be determined according to the design drawing of the bay window, and the material can be steel.

S5: and pouring the mixed concrete into a mould, vibrating by using a vibrating bar, trimming and maintaining to form a combined prefabricated member integrating the upright post 1, the upper wallboard 12, the lower wallboard 4, the bay window top plate 2 and the bay window bottom plate 3.

S6: and after the concrete is initially set, beginning to remove auxiliary work such as a steel mould and a clamping device on the periphery of the prefabricated member, continuously standing the combined prefabricated member, and after natural or scientific maintenance is finished, moving the prefabricated member to an inner decoration workshop.

S7: and in the internal decoration workshop, the inner surfaces of the bay window top plate 2 and the bay window bottom plate 3 in the combined prefabricated member after maintenance are pasted and fixed by the heat insulation plates. The specific form of the insulation board can be selected according to the requirement.

S8: glass windows are respectively arranged on three overhanging sides in a clamping space formed by the bay window top plate 2 and the bay window bottom plate 3 to form a closed bay window outer vertical surface. When the glass window is installed, the frame of the bay window which is completed by assembling the frame is installed according to the requirement, the upper and lower window frames of the window board are required to be tightly pressed at the position of 10mm of the edge of the heat preservation plate, and then the window sash is fixed on the window frame according to the standard.

S9: and finishing the fixation of the interior decorative material of the prefabricated bay window according to the design drawing, finishing the manufacture of the integrally prefabricated externally hung bay window, and marking and warehousing.

Similarly, the steps of the manufacturing method of the prefabricated external floating window of the second type shown in fig. 12 and 13 are as follows:

s1: a horizontal upper end plate 102 is fixedly welded on the top of the I-beam, and an upper connecting bolt hole 107 is formed in a vertical web plate at the position below the upper end plate on the top of the I-beam 101; a horizontal lower end plate is welded and fixed at the bottom of the I-shaped steel, a vertical lower connecting plate 108 is welded and fixed at the bottom surface of the lower end plate, and a plurality of lower connecting bolt holes are formed in the lower connecting plate 108; welding and fixing reinforcing ribs 109 on two sides of a web plate at the position where the bay window bottom plate 3 is arranged on the I-shaped steel; and a hoisting connecting piece 104 is welded and fixed on the web plate of the I-shaped steel.

S2: the steel beam 11 is cantilever-welded at the i-beam reinforcing rib 109 in S1, and the steel beam 11 is maintained perpendicular to the i-beam 101, as shown in fig. 19.

S3: and (5) respectively arranging threaded reinforcing steel bars at four peripheral long corners of the I-steel in the S2 in a through-length mode, and binding and fixing the rectangular reinforcing steel bars in the length direction according to a designed distance to form a steel structure in the upright post, as shown in the figure 20.

S4: aiming at the bay window top plate 2 with the L-shaped section and the bay window bottom plate 3 with the linear section, the steel bars in the plates are arranged, bound and fixed to form a steel structure in the bay window top plate 2 and a steel structure in the bay window bottom plate 3, as shown in fig. 21 and 22.

S5: and (3) putting the upright post internal steel structures obtained in the two groups of S3, the upper wall plate 12, the lower wall plate 4, the floating window top plate internal steel structures obtained in the S4 and the floating window bottom plate internal steel structures into a concrete pouring mold in sequence, binding and welding the floating window top plate internal steel structures and the floating window bottom plate internal steel structures with the reinforcing steel bars in the two groups of upright post internal steel structures, and simultaneously enabling the reinforcing steel bars in the floating window bottom plate 3 to pass through the reinforcing steel bar holes in the channel steel beams and extend to the plate edge of the floating window bottom plate 3. And then checking and adjusting the distance between each steel structure and the die to a design value according to the design drawing. The concrete size parameters of the die can be determined according to the design drawing of the bay window, and the material can be steel.

S6: and pouring the mixed concrete into a mould, vibrating by using a vibrating bar, trimming and maintaining to form a combined prefabricated member integrating the upright post 1, the upper wallboard 12, the lower wallboard 4, the bay window top plate 2 and the bay window bottom plate 3.

S7: and after the concrete is initially set, beginning to remove auxiliary work such as a peripheral steel mould and a clamping device of the prefabricated member, continuously standing the internal combined prefabricated member, and after natural or scientific maintenance is finished, moving the prefabricated member to an internal decoration workshop.

S8: and in the internal decoration workshop, the inner surfaces of the bay window top plate 2 and the bay window bottom plate 3 in the combined prefabricated member after maintenance are pasted and fixed by the heat insulation plates. The specific form of the insulation board can be selected according to the requirement.

S9: glass windows are respectively arranged on three overhanging sides in a clamping space formed by the bay window top plate 2 and the bay window bottom plate 3 to form a closed bay window outer vertical surface. When the glass window is installed, the frame of the bay window which is completed by assembling the frame is installed according to the requirement, the upper and lower window frames of the window board are required to be tightly pressed at the position of 10mm of the edge of the heat preservation plate, and then the window sash is fixed on the window frame according to the standard.

S10: and finishing the fixation of the interior decorative material of the prefabricated bay window according to the design drawing, finishing the manufacture of the integrally prefabricated externally hung bay window, and marking and warehousing.

Therefore, compared with the prefabricated bay window in the first type, the prefabricated bay window in the second type has the advantages that the whole weight is reduced, the prefabrication process is simple, the whole stress can meet the corresponding standard requirement, and the ideal effect can be achieved.

In addition, only the bay window bottom plate 3 adopts a straight line structure in the above embodiment, but in other embodiments, the bay window top plate 2 can also adopt a straight line structure instead, and in this case, a corresponding reinforcing structure is also required to be arranged on the upright post 1.

The above-mentioned embodiments are merely a preferred embodiment of the present invention, but it is not intended to limit the present invention. Various changes and modifications can be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present invention. Therefore, all the technical schemes obtained by adopting the mode of equivalent replacement or equivalent transformation fall within the protection scope of the utility model.

Claims (21)

1. An integrally prefabricated external hanging bay window is characterized by comprising a bay window top plate (2), a bay window bottom plate (3) and two upright posts (1); the upright post (1) is a concrete column with a built-in steel member, the steel member in the column is arranged along the center of the column in a through length manner, a first side-hung connecting piece used for being connected with an external upper frame beam (6) is fixed at the top end of the steel member, and a second side-hung connecting piece used for being connected with a lower frame beam (7) is fixed at the bottom end of the steel member; the two upright posts (1) are arranged in parallel at intervals; the bay window top plate (2) and the bay window bottom plate (3) are vertically arranged on the same side of the plane of the two upright posts (1) in an overhanging manner, three overhanging sides in a clamping space of the bay window top plate and the bay window bottom plate are enclosed by the outer vertical surface of the bay window, and the rest side is open to form an outward protruding bay window body; the fixed ends of the bay window top plate (2) and the bay window bottom plate (3) are connected with the two upright posts (1) into a whole, and the bay window body is supported by the upright posts (1) on the two sides; the upper edge of the fixed end of the bay window top plate (2) is lower than the first side-hung connecting pieces on the two sides, and the space between the two upright posts (1) above the fixed end of the bay window top plate (2) is filled with an upper wallboard (12); the fixed end of the bay window bottom plate (3) is suspended relative to the bottom ends of the two upright posts (1), and the space between the two upright posts (1) below the fixed end of the bay window bottom plate (3) is filled by the lower wall plate (4).

2. The integrally prefabricated externally hung bay window of claim 1, wherein a fire-proof layer, an insulating layer and an inner decoration layer are laid on the inner wall surface of the bay window body.

3. An integrally prefabricated floating exterior window according to claim 1 wherein said upper wall panel (12) and/or said lower wall panel (4) is of lightweight construction.

4. The integrally prefabricated externally hung bay window according to claim 1, wherein in the upright post (1), the steel member is I-shaped steel (101), and the reinforced concrete is wrapped outside the I-shaped steel (101) to form a section steel concrete post with a rectangular section.

5. The integrally prefabricated externally hung bay window according to claim 4, wherein the web of the I-steel (101) is fixedly connected with a hoisting connector (104).

6. An integrally prefabricated bay window as claimed in claim 5 wherein the lifting connector (104) is an internally threaded sleeve with an opening in the surface of the post (1).

7. The integrally prefabricated externally hung bay window according to claim 1, wherein the bay window top plate (2) is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end is turned upwards relative to the cantilever plate, and the bay window top plate (2) has an L-shaped cross section; the reinforcing steel bars at the fixed ends are fixedly bound and welded with the reinforcing steel bars in the two upright columns (1), and the bay window top plate (2) and the concrete of the upright columns (1) are integrally poured.

8. The integrally prefabricated externally hung bay window according to claim 4, wherein the bay window top plate (2) is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end is turned upwards relative to the cantilever plate, and the bay window top plate (2) has an L-shaped cross section; the reinforcing steel bars at the fixed ends are fixedly bound and welded with the reinforcing steel bars in the two upright columns (1), and the bay window top plate (2) and the concrete of the upright columns (1) are integrally poured.

9. The integrally prefabricated externally hung bay window of claim 1, wherein the bay window bottom plate (3) is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end is turned downwards relative to the cantilever plate, and the cross section of the bay window bottom plate (3) is in an inverted L shape; the reinforcing steel bars at the fixed ends are fixedly bound and welded with the reinforcing steel bars in the two upright columns (1), and the bay window bottom plate (3) and the concrete of the upright columns (1) are integrally poured.

10. The integrally prefabricated externally hung bay window according to claim 4, wherein the bay window bottom plate (3) is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end is turned downwards relative to the cantilever plate, and the cross section of the bay window bottom plate (3) is in an inverted L shape; the reinforcing steel bars at the fixed ends are fixedly bound and welded with the reinforcing steel bars in the two upright columns (1), and the bay window bottom plate (3) and the concrete of the upright columns (1) are integrally poured.

11. The integrally prefabricated externally hung bay window of claim 7, wherein the bay window bottom plate (3) is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end is turned downwards relative to the cantilever plate, and the cross section of the bay window bottom plate (3) is in an inverted L shape; the reinforcing steel bars at the fixed ends are fixedly bound and welded with the reinforcing steel bars in the two upright columns (1), and the bay window bottom plate (3) and the concrete of the upright columns (1) are integrally poured.

12. The integrally prefabricated externally hung bay window of claim 8, wherein the bay window bottom plate (3) is of a reinforced concrete structure consisting of a fixed end and a cantilever plate, the fixed end is turned downwards relative to the cantilever plate, and the cross section of the bay window bottom plate (3) is in an inverted L shape; the reinforcing steel bars at the fixed ends are fixedly bound and welded with the reinforcing steel bars in the two upright columns (1), and the bay window bottom plate (3) and the concrete of the upright columns (1) are integrally poured.

13. The integrally prefabricated bay window of claim 4, wherein said bay window top plate (2) and/or bay window bottom plate (3) is of reinforced concrete structure supported on both sides by steel beams (11); the reinforced concrete structure consists of a fixed end and a cantilever plate, and the cross section of the reinforced concrete structure is in a straight shape; the reinforcing steel bars at the fixed end of the bay window bottom plate (3) and the reinforcing steel bars in the two upright posts (1) are fixedly bound and welded, and the bay window bottom plate (3) and the concrete of the upright posts (1) are integrally poured; a cantilever at one end of a steel beam (11) on each side of the bay window bottom plate (3) is fixed on a steel member in the upright post (1) on the same side, a reinforcing structure is arranged at a fixed position, and the other end of the steel beam stretches into the cantilever plate to be fixed.

14. An integrally prefabricated bay window as claimed in claim 13 wherein said steel beam (11) is a channel.

15. An integrally prefabricated bay window as claimed in claim 13 wherein said reinforcing structure is a reinforcing rib (109) provided on the i-section steel (101).

16. The integrally prefabricated externally hung bay window according to claim 1, wherein said first side hanging connector is an upper connecting bolt hole (107) formed in a vertical web plate at the top of the i-beam (101).

17. An integrally prefabricated bay window as claimed in claim 16 wherein said second side hang connector comprises a lower end plate (103) and a lower connecting plate (108), said lower end plate (103) being horizontally fixed to the bottom of said steel member, said lower connecting plate (108) being vertically fixed to the bottom surface of said lower end plate, and said lower connecting plate (108) having a lower connecting pin hole.

18. A connecting node of an integrally prefabricated external hanging bay window and a building structure as claimed in any one of claims 1 to 17, wherein the external hanging bay window is mounted on an upper frame beam (6) and a lower frame beam (7) of the same floor of the building structure through two upright posts (1); the top parts of the two upright posts (1) are fixedly connected with the side surface of a first embedded connecting piece (10) which is connected and supported on the upper frame beam (6) through a first side-hanging connecting piece, and the bottom parts of the two upright posts are fixedly connected with the side surface of a second embedded connecting piece (9) which is connected and supported on the lower frame beam (7) through a second side-hanging connecting piece; two stands (1) are external for the wall face, the window form that wafts is encorbelmented on the wall body of protrusion in building structure, and the last edge of upper wall board (12) is located the elevation within range of upper floor slab (8), and the lower edge of lower wallboard (4) is located the elevation within range of the floor slab (8) that wafts the window place.

19. A connecting joint according to claim 18, characterised in that the upper frame beam (6) and/or the lower frame beam (7) are i-steel.

20. The connection node according to claim 18, characterized in that the first pre-buried connection (10) consists of a first pre-cast element; the first prefabricated part comprises a first side hanging plate (901), one side of the first side hanging plate (901) is provided with supporting legs (903), a steel grabbing rib (904) and a built-in threaded sleeve (905) communicated with the surface of the first side hanging plate (901), the vertical plate surface of each supporting leg (903) is arranged and used for being supported on a frame beam, and the steel grabbing rib (904) and the built-in threaded sleeve (905) are located above the supporting legs (903) and are embedded in an upper floor (8); a bolt hole (902) for being in bolted connection with a first side hanging connecting piece is formed in the first side hanging plate (901) below the supporting leg (903).

21. A joint for integrally prefabricating an externally hung bay window and a building structure according to claim 17, wherein the externally hung bay window is mounted on the upper frame beam (6) and the lower frame beam (7) of the same storey of the building structure by two posts (1); the top parts of the two upright posts (1) are fixedly connected with the side surface of a first embedded connecting piece (10) which is connected and supported on the upper frame beam (6) through a first side-hanging connecting piece, and the bottom parts of the two upright posts are fixedly connected with the side surface of a second embedded connecting piece (9) which is connected and supported on the lower frame beam (7) through a second side-hanging connecting piece; the two upright posts (1) are hung externally relative to the outer wall surface, the floating window body is cantilevered and protrudes out of the outer wall body of the building structure, the upper edge of the upper wallboard (12) is positioned in the elevation range of the upper-layer floor (8), and the lower edge of the lower wallboard (4) is positioned in the elevation range of the floor (8) where the floating window is positioned; the first embedded connecting piece (10) is composed of a first prefabricated piece; the first prefabricated part comprises a first side hanging plate (901), one side of the first side hanging plate (901) is provided with supporting legs (903), a steel grabbing rib (904) and a built-in threaded sleeve (905) communicated with the surface of the first side hanging plate (901), the vertical plate surface of each supporting leg (903) is arranged and used for being supported on a frame beam, and the steel grabbing rib (904) and the built-in threaded sleeve (905) are located above the supporting legs (903) and are embedded in an upper floor (8); a bolt hole (902) for being in bolted connection with a first side hanging connecting piece is formed in the first side hanging plate (901) below the supporting foot (903); the second embedded connecting piece (9) is formed by connecting the first prefabricated piece and the second prefabricated piece, the second prefabricated piece comprises a second side hanging plate (906), a third side hanging plate (907) and a bottom plate (908), the third side hanging plate (907) and the bottom plate (908) are vertically connected and fixed, and a fixing hole for butting with a built-in threaded sleeve (905) on the first side hanging plate (901) is formed in the third side hanging plate (907); the second side hanging plate (906) is fixed at the internal corners of the third side hanging plate (907) and the bottom plate (908), and a connecting hole for being in bolted connection with the lower connecting plate (108) is formed in the plate surface.

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