CN218990608U - Connecting structure of hanging concrete large-plate curtain wall - Google Patents
Connecting structure of hanging concrete large-plate curtain wall Download PDFInfo
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- CN218990608U CN218990608U CN202223396311.3U CN202223396311U CN218990608U CN 218990608 U CN218990608 U CN 218990608U CN 202223396311 U CN202223396311 U CN 202223396311U CN 218990608 U CN218990608 U CN 218990608U
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Abstract
The utility model discloses a connecting structure of a hanging concrete large-plate curtain wall, which comprises the following components: the concrete large plates are sequentially arranged along the horizontal direction and the vertical direction respectively; one side of the embedded stress structure is connected with the main body structure; the top and bottom positions of each concrete large plate are respectively and correspondingly provided with a transverse angle steel keel which is arranged in a through length mode, and the vertical part of the transverse angle steel keel is connected with the embedded stress structure; the hanging connection system comprises a plurality of groups of connection hanging seats and connection hanging pieces, wherein the connection hanging seats are fixedly arranged on the horizontal top of the transverse angle steel keel, the connection hanging pieces comprise slotted hanging piece faces and vertical mounting faces, the vertical mounting faces of the connection hanging pieces are fixedly connected with the concrete large plate, and the slotted hanging piece faces of the connection hanging pieces are clamped on the connection hanging seats. According to the utility model, the hanging connection system is arranged according to the installation position of the panel, so that the panel is flexibly installed, the installation requirement of staggered joint arrangement can be met, and the construction quality and the safety are high.
Description
Technical Field
The utility model relates to the technical field of building decoration, in particular to a connecting structure of a hanging concrete large-plate curtain wall.
Background
Along with the continuous development of modern construction technology, the production and the use of building curtain walls are more and more widespread, wherein the precast concrete outer wall cladding can realize the outer protection function of the building, can also meet the decoration function, and has good durability and fire resistance, thereby being widely applied to large-scale public buildings such as commercial buildings, venues and the like.
The concrete large plate curtain wall is used as a novel curtain wall form, and related standard and specification requirements do not exist, but the installation method of the concrete large plate curtain wall has great influence on quality control and appearance effect grasp of the concrete large plate. The large concrete plate has large plate width and large dead weight, once the large concrete plate is not firmly fixed and the dowel bar is inaccurate in position, the problems of large concrete plate cracks, plate cracks falling angles and the like are easily generated, and therefore certain hidden hazards are generated for the quality and safety of engineering. Particularly, when the concrete large plate width reaches 5500 x 2500mm, the difficulty of installation operation is increased, and the construction quality is difficult to ensure by the existing construction method. Meanwhile, the back of the conventional large-plate concrete is fully backed by a steel frame, the problem of overall stress is solved through the steel frame, but the field installation load is large, the whole back steel frame and the main structure are welded, the fire operation is more, and the overall flatness control is poor.
Disclosure of Invention
The utility model aims to provide a connecting structure for hanging a concrete large-plate curtain wall, which aims to solve the problems in the background technology.
In order to achieve the above object, the present utility model provides a connection structure for hanging a concrete large panel curtain wall, comprising: the concrete large plates are sequentially arranged along the horizontal direction and the vertical direction respectively; one side of the embedded stress structure is connected with the main body structure, and the embedded stress structure comprises a plurality of groups of galvanized square tubes; the top and bottom positions of each concrete large plate are respectively and correspondingly provided with a transverse angle steel keel which is arranged in a through length mode, the transverse angle steel keels are of inverted L-shaped structures, and the vertical parts of the transverse angle steel keels are connected with the embedded stress structures; the hanging connection system comprises a plurality of groups of connecting hanging seats and connecting hanging pieces, wherein the connecting hanging seats are L-shaped galvanized angle steel, the connecting hanging seats are fixedly arranged on the horizontal top of the transverse angle steel keels, the connecting hanging pieces comprise slotted hanging piece faces and vertical mounting faces, the vertical mounting faces of the connecting hanging pieces are fixedly connected with the concrete large plates, and the slotted hanging piece faces of the connecting hanging pieces are clamped on the connecting hanging seats.
In a preferred embodiment, the connection hanging seat comprises a horizontal connection part and a vertical plug-in part, the number of each group of connection hanging pieces is two, the two connection hanging pieces are symmetrically arranged, the bottom of the grooved hanging piece surface of the connection hanging piece is provided with a groove upwards, and the vertical plug-in part of the connection hanging seat is inserted in the groove.
In a preferred embodiment, further comprising: the leveling limiting system comprises leveling angle codes and leveling bolts, wherein the leveling angle codes are of L-shaped structures, the two leveling angle codes are arranged on one side, close to each other, of the grooved pendant faces of each group of two connecting pendants and are fixedly connected with the grooved pendant faces of the connecting pendants respectively, the leveling bolts are arranged on the horizontal parts of the leveling angle codes, the bottom ends of the leveling bolts are propped against the horizontal connecting parts of the connecting hanging seats, and the vertical parts of the leveling angle codes are attached to the vertical inserting parts of the connecting hanging seats.
In a preferred embodiment, the vertical installation surface of the connecting hanger is connected with the concrete large plate through a stainless steel bolt, the horizontal connection part of the connecting hanger is fixedly connected with the transverse angle steel keel through a vertical connection bolt, and a galvanized steel gasket is arranged between the connection bolt and the horizontal connection part of the connecting hanger.
In a preferred embodiment, the concrete large plate comprises a plurality of groups of reinforcing ribs, the thickness of the reinforcing ribs is 100mm-120mm, the reinforcing ribs are transversely and longitudinally staggered in the concrete large plate, connecting point position reinforcing blocks are further arranged at the connecting point positions of the inner side of the concrete large plate and the connecting hanging pieces, and the thickness of the connecting point position reinforcing blocks is 100mm-120mm.
In a preferred embodiment, the embedded connecting assembly is arranged in the connecting point position reinforcing block and comprises a reinforcing truss reinforcing bar, the reinforcing truss reinforcing bar comprises two parallel threaded reinforcing bars with the diameter of 8mm and a round reinforcing bar, the round reinforcing bar is turned and welded with the threaded reinforcing bars at two sides, and the reinforcing truss reinforcing bar is connected with the reinforcing bars in the concrete large plate.
In a preferred embodiment, the embedded connecting assembly further comprises an embedded back bolt and a fixing bolt, wherein the embedded back bolt and the reinforcing bars of the stress application truss are welded and connected to form a whole to be embedded, the embedded back bolt is embedded into the area of the connecting position reinforcing block in the concrete large plate, and internal threads are arranged in the embedded back bolt and are used for being connected with the fixing bolt, and the depth of the threads is not less than 50mm.
In a preferred embodiment, a plurality of keel reinforcing ribs are arranged at intervals at the bottoms of the transverse angle steel keels at the top of each concrete large plate, the keel reinforcing ribs are galvanized steel plates and are triangular in shape, and the keel reinforcing ribs are vertically welded inside the transverse angle steel keels.
In a preferred embodiment, the plurality of galvanized square pipes of each group are uniformly arranged at intervals along the vertical direction, and two transverse angle steel keels at the bottom and top positions of two adjacent concrete large plates along the vertical direction are respectively welded with the galvanized square pipes of the same group.
Compared with the prior art, the utility model has the beneficial effects that:
aiming at the problems of easy generation of cracks and plate seam corner falling of the concrete large plate, and the like, the difficulty of installation operation is greatly increased due to the large plate width and heavy dead weight of the concrete large plate when the concrete large plate width reaches 5500 x 2500mm, once the concrete large plate is fixed infirm and the dowel bar is positioned inaccurately, so that the construction quality is difficult to ensure. The back of a conventional large-plate concrete is fully backed by a steel frame, the problem of overall stress is solved through the steel frame, but the field installation load is large, the whole back steel frame and the main structure are welded, the fire operation is more, and the overall flatness control is poor. According to the utility model, a precast concrete large plate and a through long transverse angle steel keel are designed aiming at the problems in the prior art, and a hanging connection system is arranged according to the installation position of the plate surface, so that the plate surface is flexible to install, and the staggered arrangement and installation requirements can be realized; the hanging connection system of the utility model adopts the assembly mode of the connection hanging seat and the connection hanging piece to finish the installation, and is convenient to install, disassemble and change, thereby greatly improving the construction efficiency; according to the utility model, through the leveling angle code and the leveling bolt, the inclination and straightness of the plate surface can be adjusted according to the requirements, the operation is flexible, the digestion error is convenient, and the appearance effect can be effectively controlled. The utility model adopts the fastening modes of bolting and welding, is firmly fixed, increases the safety of the whole system, has no wet operation, and is more beneficial to accelerating the engineering progress especially in winter construction.
Drawings
FIG. 1 is a schematic perspective view of a connection structure of a hanging concrete large panel curtain wall according to the present utility model;
FIG. 2 is a schematic longitudinal section of the connection structure of the hung concrete large panel curtain wall of the present utility model;
FIG. 3 is a schematic cross-sectional view of the connection structure of the hung concrete large panel curtain wall of the present utility model;
FIG. 4 is a schematic perspective view of the hanging connection system of the present utility model;
FIG. 5 is a longitudinal cross sectional view of a pre-buried node of the pre-buried connection assembly of the concrete slab of the present utility model;
FIG. 6 is a schematic view of a concrete large panel face of the present utility model;
FIG. 7 is a partial plan view of a buried node of the present utility model;
FIG. 8 is a schematic view of the reinforcement structure of the stressing truss according to the present utility model.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Embodiments of the present utility model are intended to be within the scope of the present utility model as defined by the appended claims.
As shown in fig. 1 to 8, the connection structure of the hanging concrete large panel curtain wall according to the preferred embodiment of the present utility model comprises: the concrete large plate 1, the pre-buried atress structure 2, the horizontal angle steel fossil fragments 3 and the hanging connection system, concrete large plate 1 is high strength precast concrete board, and the biggest board width of concrete large plate 1 is 5500 x 2500mm, and polylith concrete large plate 1 is arranged in proper order along horizontal, vertical direction respectively. One side of the pre-buried stress structure 2 is connected with the main body structure and is used as a basic stress system of the whole installation system. The top and bottom positions of each concrete large plate 1 are respectively and correspondingly provided with a transverse angle steel keel 3 which is arranged in a through length mode so as to serve as a bearing structure of the whole system. The horizontal angle steel keel 3 is of an inverted L-shaped structure, the horizontal angle steel keel 3 comprises a vertical portion 31 and a horizontal top portion 32, and the vertical portion 31 of the horizontal angle steel keel 3 is connected with the embedded stress structure 2. The hanging connection system comprises a plurality of groups of connection hanging bases 5 and connection hanging pieces 8, the connection hanging bases 5 are fixedly connected with the horizontal top 32 of the transverse angle steel keel 3, the number of each group of connection hanging pieces 8 is two, the two connection hanging pieces 8 are symmetrically arranged, each connection hanging piece 8 comprises a slotted hanging piece face 81 and a vertical installation face 82, the specification of each connection hanging piece 8 is 100 x 75 x 10mm, the vertical installation face 82 of each connection hanging piece 8 is fixedly connected with the concrete large plate 1, the slotted hanging piece faces 81 of each connection hanging piece 8 are clamped on the connection hanging bases 5, and the connection hanging bases 5 and the connection hanging pieces 8 jointly form a hanging piece connection system in a vertically penetrating connection mode.
Further, the vertical installation surface 82 of the connection hanging piece 8 is connected with the concrete large plate 1 through the stainless steel bolts 9, the specification of the stainless steel bolts 9 is M14 x 80mm, the horizontal connection portion 51 of the connection hanging seat 5 is fixedly connected with the transverse angle steel keels 3 through the vertical connection bolts 6, and the connection hanging seat 5 is connected with the transverse angle steel keels 3 through a bolting mode to form a basic stress structure. The connecting hanging pieces 8 are connected with the concrete large plate 1 in a bolting mode to form an installation surface layer. Further, a galvanized steel gasket 7 is arranged between the connecting bolt 6 and the horizontal connecting portion 51 of the connecting hanging seat 5, and the galvanized steel gasket is 40×40×4mm in specification and serves as a connecting protection piece of the connecting bolt 6 and the connecting hanging seat 5.
Further, the connection hanging seat 5 is an L-shaped galvanized angle steel, and comprises a horizontal connection portion 51 and a vertical insertion portion 52, a groove is formed in the upper portion of the bottom of the grooved hanging surface 81 of the connection hanging member 8, and the vertical insertion portion 52 of the connection hanging seat 5 is inserted into the groove.
Further, the connecting structure of the hanging concrete large-plate curtain wall further comprises a leveling limiting system, the leveling limiting system comprises leveling angle codes 10 and leveling bolts 11, the leveling angle codes 10 are of L-shaped structures, the two leveling angle codes 10 are arranged on one sides of the grooved hanging faces 81 of the two connecting hanging pieces 8 in each group, which are close to each other, and are fixedly connected with the grooved hanging faces 81 of the connecting hanging pieces 8 respectively, the leveling bolts 11 are arranged on the horizontal portions of the leveling angle codes 10, the bottom ends of the leveling bolts 11 abut against the horizontal connecting portions 51 of the connecting hanging seats 5, and the vertical portions of the leveling angle codes 10 are attached to the vertical inserting portions 52 of the connecting hanging seats 5. The mounting height of the connecting hanging piece 8 and the concrete large plate 1 is adjusted by controlling the height of the bolts.
Further, the inner side of the concrete large plate 1 comprises a plurality of groups of reinforcing ribs 12, the thickness of the reinforcing ribs 12 is 100mm-120mm, the reinforcing ribs 12 are transversely and longitudinally staggered in the concrete large plate 1, connecting point positions (two side edges of the top and the bottom of each concrete large plate) of the inner side of the concrete large plate 1 and the connecting hanging pieces 8 are also provided with connecting point position reinforcing blocks 13, the thickness of the connecting point position reinforcing blocks 13 is 100mm-120mm, the concrete large plate 1 is formed by pouring reinforced steel bars and concrete, and the reinforcing ribs 12, the connecting point position reinforcing blocks 13 and the concrete large plate 1 are integrally formed by pouring.
Further, an embedded connecting assembly is arranged in the connecting point position reinforcing block 13 and comprises a reinforcing truss reinforcing bar 14, the reinforcing truss reinforcing bar 14 comprises two parallel threaded reinforcing bars 141 with the diameter of 8mm and a round reinforcing bar 142, the round reinforcing bar 142 is turned and is welded with the threaded reinforcing bars 141 at two sides, and the reinforcing truss reinforcing bar 14 is connected with the reinforcing bars in the concrete large plate.
Further, the embedded connecting assembly further comprises an embedded back bolt 15 and a fixing bolt 16, wherein the embedded back bolt 15 and the stress application truss reinforcing bars 14 are welded and connected to form a whole to be embedded, the embedded back bolt 15 is embedded into the region of the connecting point reinforcing block 13 in the concrete large plate 1, internal threads are arranged in the embedded back bolt 15 and used for being connected with the fixing bolt 16, and the depth of the threads is not less than 50mm.
Further, a plurality of keel reinforcing ribs 33 are arranged at intervals at the bottoms of the transverse angle steel keels 3 at the top of each concrete large plate 1, the keel reinforcing ribs 33 are galvanized steel plates, the shape is triangle, the specification is 120 x 75 x 6mm, and the keel reinforcing ribs 33 are vertically welded in the transverse angle steel keels 3.
Further, the embedded stress structure 2 comprises a plurality of groups of galvanized square pipes, the galvanized square pipes of each group are uniformly arranged at intervals along the vertical direction, and two transverse angle steel keels 3 at the bottom and top positions of two adjacent concrete large plates 1 along the vertical direction are respectively welded with the same group of galvanized square pipes.
Example 2
The utility model relates to a construction method of a connecting structure of a hanging concrete large-plate curtain wall, which comprises the following steps:
s1, prefabricating a concrete large plate, arranging a connecting point position reinforcing block 13 at a connecting point position of the concrete large plate 1, and pre-burying a stress truss reinforcing bar 14, a pre-burying back bolt 15 and a fixing bolt 16 in the precast concrete large plate;
s2, measuring and paying off, namely determining the elevation line of the keel, parting lines of the concrete large plate, the transverse angle steel keel and the positions of hanging points;
s3, installing a transverse angle steel keel 3, temporarily fixing the transverse angle steel keel 3 on the pre-buried stress structure 2 in a spot welding mode, performing formal fixed connection in a full-welding mode after acceptance inspection, and performing anti-corrosion paint brushing treatment;
s4, temporarily fixing the connecting hanging seat 5 on the transverse angle steel keel 3, and performing formal fixed connection in a full-welding mode after determining that the separation position is accurate;
s5, determining the installation sequence of the concrete large plate 1 according to the installation area and the design drawing;
step S6, fixing the connecting hanging pieces 8 on the concrete large plate 1 in advance in a bolting mode;
and S7, clamping the connecting hanging pieces 8 on the concrete large plate 1 into the corresponding connecting hanging seats 5 in a hoisting mode, and finely adjusting leveling bolts on the hanging pieces to ensure that the plate edges are in a vertical state.
Example 3
The concrete slab prefabrication process of the utility model is specifically described below:
step S11, firstly, drawing a design drawing, and defining concrete grade, reinforcing steel bar material requirements, material, specification and positioning requirements of reinforcing steel bar 14, pre-buried back bolts 15, fixing bolts 16 and the like of the stressing truss;
s12, designing a die according to the design structural form and the load requirement;
and S13, installing the template, and fixing by using bolts, nuts, positioning pins and the like.
And S14, binding reinforcing steel bars.
Step S15, fixing the stress application truss reinforcing bars 14 on the reinforcing bars, ensuring firm installation and avoiding omission;
and S16, fixing the pre-buried back bolt 15 on the reinforcing bar 14 of the stressing truss, ensuring firm installation, and forming a wire opening in the pre-buried back bolt 15 for connection with the fixing bolt 16.
And S17, pouring concrete in layers, and curing.
And S18, removing the template to finish demoulding.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a hang connection structure of dress concrete big board curtain which characterized in that: comprising the following steps:
a plurality of concrete large plates (1) are respectively arranged in sequence along the horizontal direction and the vertical direction;
one side of the embedded stress structure (2) is connected with the main body structure, and the embedded stress structure (2) comprises a plurality of groups of galvanized square tubes;
the top and bottom positions of each concrete large plate (1) are respectively and correspondingly provided with a transverse angle steel keel (3) which is arranged in a through length mode, the transverse angle steel keel (3) is of an inverted L-shaped structure, and a vertical part (31) of the transverse angle steel keel (3) is connected with the embedded stress structure (2);
the hanging connection system comprises a plurality of groups of connection hanging bases (5) and connection hanging pieces (8), wherein the connection hanging bases (5) are L-shaped galvanized angle steel, the connection hanging bases (5) are fixedly arranged on the horizontal top (32) of the transverse angle steel keel (3), the connection hanging pieces (8) comprise slotted hanging pieces (81) and vertical installation faces (82), the vertical installation faces (82) of the connection hanging pieces (8) are fixedly connected with the concrete large plate (1), and the slotted hanging pieces (81) of the connection hanging pieces (8) are clamped on the connection hanging bases (5).
2. The connection structure of the hung concrete large-panel curtain wall according to claim 1, wherein: the connecting hanging seat (5) comprises horizontal connecting parts (51) and vertical inserting parts (52), the number of each group of connecting hanging pieces (8) is two, the two connecting hanging pieces (8) are symmetrically arranged, a groove is formed in the upward direction of the bottom of a grooved hanging piece face (81) of each connecting hanging piece (8), and the vertical inserting parts (52) of the connecting hanging seat (5) are inserted into the grooves.
3. The connection structure of the hung concrete large-panel curtain wall as defined in claim 2, wherein: further comprises: leveling limit system, leveling limit system includes leveling angle sign indicating number (10) and leveling bolt (11), leveling angle sign indicating number (10) are L shape structure, two leveling angle sign indicating number (10) set up two of every group one side that fluting pendant face (81) of connecting pendant (8) are close to each other, and respectively with fluting pendant face (81) fixed connection of connecting pendant (8), the horizontal part of leveling angle sign indicating number (10) is provided with leveling bolt (11), just the bottom of leveling bolt (11) supports horizontal connecting portion (51) of connecting hanging seat (5), the vertical portion of leveling angle sign indicating number (10) with vertical grafting portion (52) of connecting hanging seat (5) laminate mutually.
4. The connection structure of the hung concrete large-panel curtain wall according to claim 3, wherein: the vertical installation face (82) of the connecting hanging piece (8) is connected with the concrete large plate (1) through a stainless steel bolt (9), the horizontal connection portion (51) of the connecting hanging seat (5) is fixedly connected with the transverse angle steel keel (3) through a vertical connecting bolt (6), and a galvanized steel gasket (7) is arranged between the connecting bolt (6) and the horizontal connection portion (51) of the connecting hanging seat (5).
5. The connection structure of the hung concrete large-panel curtain wall according to claim 4, wherein: the concrete large plate (1) comprises a plurality of groups of reinforcing ribs (12), wherein the thickness of the reinforcing ribs (12) is 100mm-120mm, the reinforcing ribs are transversely and longitudinally staggered in the concrete large plate (1), connecting point position reinforcing blocks (13) are further arranged at the connecting point positions of the inner side of the concrete large plate (1) and the connecting hanging pieces (8), and the thickness of the connecting point position reinforcing blocks (13) is 100mm-120mm.
6. The connection structure of the hung concrete large-panel curtain wall according to claim 5, wherein: the embedded connecting assembly is arranged in the connecting point position reinforcing block (13) and comprises a reinforcing truss reinforcing bar (14), the reinforcing truss reinforcing bar (14) comprises two threaded reinforcing bars (141) with the diameters of 8mm and a round reinforcing bar (142) which are arranged in parallel, the round reinforcing bar (142) is turned and is welded with the threaded reinforcing bars (141) on two sides, and the reinforcing truss reinforcing bar (14) is connected with the reinforcing bars in the concrete large plate.
7. The connection structure of the hung concrete large-panel curtain wall according to claim 6, wherein: the embedded connecting assembly further comprises an embedded back bolt (15) and a fixing bolt (16), wherein the embedded back bolt (15) is integrally embedded with the stress application truss reinforcing bars (14) in a welded connection mode and is embedded into a region of the connecting point reinforcing block (13) in the concrete large plate (1), internal threads are arranged in the embedded back bolt (15) and used for being connected with the fixing bolt (16), and the depth of the threads is not smaller than 50mm.
8. The connection structure of the hung concrete large-panel curtain wall according to claim 7, wherein: a plurality of keel reinforcing ribs (33) are arranged at intervals at the bottoms of the transverse angle steel keels (3) at the top of each concrete large plate (1), the keel reinforcing ribs (33) are galvanized steel plates and are triangular in shape, and the keel reinforcing ribs (33) are vertically welded inside the transverse angle steel keels (3).
9. The connection structure of the hung concrete large-panel curtain wall according to claim 1, wherein: the galvanized square pipes of each group are uniformly arranged at intervals along the vertical direction, and two transverse angle steel keels (3) at the bottom and top positions of two adjacent concrete large plates (1) along the vertical direction are respectively welded with the galvanized square pipes of the same group.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223396311.3U CN218990608U (en) | 2022-12-19 | 2022-12-19 | Connecting structure of hanging concrete large-plate curtain wall |
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| CN202223396311.3U CN218990608U (en) | 2022-12-19 | 2022-12-19 | Connecting structure of hanging concrete large-plate curtain wall |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839143A (en) * | 2022-12-19 | 2023-03-24 | 中建一局集团建设发展有限公司 | Unit type concrete large-plate curtain wall installation system and construction method thereof |
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- 2022-12-19 CN CN202223396311.3U patent/CN218990608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839143A (en) * | 2022-12-19 | 2023-03-24 | 中建一局集团建设发展有限公司 | Unit type concrete large-plate curtain wall installation system and construction method thereof |
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