High-strength assembly type precast concrete balcony

Abstract

The utility model discloses a high-strength assembly type precast concrete balcony, which comprises a concrete plate, a plurality of wall plates, a plurality of connecting plates and a plurality of connecting plates, and is characterized in that the concrete plate comprises a balcony plate and two wall plates; the enclosing wall reinforcing frame comprises a middle net frame and an end net frame, the middle net frame comprises a connecting steel frame and a first steel bar, the end net frame comprises a second steel bar, and the first steel bar and the second steel bar are both U-shaped steel bars; the balcony reinforcing frame is arranged between the top face and the bottom face of the balcony plate and comprises balcony reinforcing steel bars, and the balcony reinforcing steel bars comprise a third U-shaped steel bar and a fourth U-shaped steel bar which are perpendicular to each other in the distribution direction. According to the high-strength assembly type prefabricated concrete balcony, the first steel bars, the second steel bars and the balcony reinforcing steel bars are all of U-shaped structures with the ends extending out of the concrete slab, so that the assembly workload is reduced, and the construction efficiency is improved while the connection strength is guaranteed; and the balcony reinforcing frame and the enclosing wall reinforcing frame are connected into a whole through the balcony reinforcing steel bars and the connecting steel frames, so that the structural strength of the balcony plate is further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of prefabricated special-shaped components, in particular to a high-strength assembled prefabricated concrete balcony. Background Art

[0002] Prefabricated balconies, as an important part of prefabricated components, are widely used in prefabricated building projects. They have the advantages of being beautiful and practical, environmentally friendly and energy-saving, having high space utilization and being easy to construct. With the continuous development and improvement of prefabricated building technology, prefabricated balconies are playing an increasingly important role in modern life.

[0003] In the prior art, for example, Chinese utility model patent publication number CN220908666U discloses a precast concrete balcony, which enhances the strength of the balcony slab and the wall slab respectively through a balcony reinforcement frame and a wall reinforcement frame, and penetrates the side wall of the balcony slab through a first transverse steel bar and a first longitudinal steel bar, and penetrates the wall slab through a second steel bar, so as to facilitate combination with cast-in-place concrete, improve the connection strength, and thereby improve the overall strength of the balcony.

[0004] However, in the above-mentioned precast concrete balcony, the wall reinforcement frame and the balcony reinforcement frame have complex structures, and require a wide variety of parts, which is not conducive to quick splicing and reduces the construction efficiency of the precast concrete balcony; not only that, the wall reinforcement frame and the balcony reinforcement frame are split structures, and during the production process, they need to rely on molds to tighten the two separately, and the split structure means that the overall structural strength of the precast balcony still has room for further improvement; in addition, in this precast concrete balcony, a large amount of concrete material is used in the upper and lower parts of the wall panels, resulting in a large overall weight of the precast balcony, which is not conducive to transportation and construction.

[0005] Therefore, it is necessary to improve the precast concrete balcony in the prior art. Utility Model Content

[0006] The purpose of the utility model is to overcome the defects in the prior art and provide a high-strength assembled precast concrete balcony that simplifies the types and quantities of component structures, facilitates quick and easy splicing, enhances the overall structural strength, reduces weight, and is convenient for transportation and construction.

[0007] In order to achieve the above technical effects, the technical solution of the utility model is: a high-strength assembled precast concrete balcony, comprising:

[0008] A concrete slab comprising a balcony slab and two enclosure panels, wherein the circumferential sidewalls of the balcony slab comprise a spliced ​​sidewall and a cast sidewall integrally connected to the enclosure panel, each enclosure panel extending along the length of the cast sidewall and having two ends respectively comprising a spliced ​​end and a cast end, and the cast ends of adjacent enclosure panels being integrally connected;

[0009] A wall reinforcement frame, the wall reinforcement frame comprising a vertical middle grid and end grids arranged at the top and bottom ends of the wall reinforcement frame, the middle grid comprising a connecting steel frame distributed along the length of the wall panel and a first steel bar distributed in the vertical direction and connected to the connecting steel frame, the end grid comprising a second steel bar, the first steel bar and the second steel bar being both U-shaped steel bars, both ends of which pass through the splicing end, and the bent portion being adjacent to the casting end;

[0010] The balcony reinforcement frame is arranged between the top and bottom surfaces of the balcony slab, and includes connected balcony reinforcement steel bars. The balcony reinforcement steel bars include third and fourth steel bars with vertical distribution directions and both are U-shaped. Both ends of the third and fourth steel bars pass through the cast side walls, and the bent parts are respectively arranged in the two wall panels and fixedly connected to the connecting steel frame.

[0011] Preferably, in order to lock and fix the first steel bar to the connecting steel frame, the connecting steel frame includes two U-shaped plates that are opposite and fixedly connected to each other, and the U-shaped plates are fixedly connected to a clamping plate by a first bolt and a first nut that are threaded together, and the first steel bar is clamped between the clamping plate and the U-shaped plate.

[0012] Preferably, in order to strengthen the connection strength between the first steel bar and the compression plate, a compression groove is provided on one side of the compression plate adjacent to the first steel bar. The compression groove extends along the length direction of the wall plate and has an arc-shaped cross-section with the same diameter as the first steel bar.

[0013] Preferably, in order to realize the connection between the balcony reinforcement steel bars and the U-shaped plate, the U-shaped plate is provided with a first strip opening extending in the vertical direction, and the clamping plate is provided with a second strip opening extending in the vertical direction. The balcony reinforcement steel bars are all passed through the inner sides of the first strip opening and the second strip opening, and are threadedly connected with a first fastening sleeve, and the U-shaped plate is clamped between the first fastening sleeve and the bent portion of the balcony reinforcement steel bars.

[0014] Preferably, in order to reinforce the end grid and the connecting steel frame, the U-shaped plate is also provided with a second bolt and a second nut with threaded connection, the second bolt and the inner wall of the U-shaped plate are combined to form a fastening opening, and the second steel bar is clamped in the fastening opening.

[0015] Preferably, in order to reduce the amount of concrete material used, facilitate rapid solidification and molding while facilitating transportation, the cross-section of the wall panel is U-shaped with its back facing the balcony panel, and the wall panel includes vertical panels and horizontal bars arranged at the top and bottom ends of the vertical panels, the vertical panels correspond to the middle grid and are integrally connected to the balcony panel, and the horizontal bars correspond to the end grids.

[0016] Preferably, in order to enhance the structural strength of the horizontal bar, at least two second steel bars are provided in the end grid, which are spaced apart along the width direction perpendicular to the horizontal bar. The end grid also includes a hollow frame and a second fastening sleeve, the second fastening sleeve is threadedly connected to the second steel bar, and the hollow frame is clamped between the second fastening sleeve and the bent portion of the second steel bar.

[0017] Preferably, in order to reduce the amount of concrete used and thus reduce the weight, the hollow frame includes positioning plates distributed along the length direction of the wall panels, the positioning plates are provided with first through holes for the second steel bars to pass through, and hollow tubes with adjustable lengths are sandwiched between adjacent positioning plates.

[0018] Preferably, in order to achieve adjustable length of the hollow tube, the hollow tube includes an outer shell and an inner shell that are threadedly connected and arranged opposite to each other, and the ends of the outer shell and the inner shell that are close to each other are open, and the ends that are far away from each other are closed.

[0019] Preferably, in order to facilitate the assembly of the hollow tube and the positioning plate, a second through hole is provided on the positioning plate, and both ends of the hollow tube are provided with positioning bosses that are plugged into and fit with the second through hole.

[0020] To sum up, compared with the existing technology, the high-strength assembled precast concrete balcony of the utility model adopts a U-shaped structure in which the ends of the first steel bar, the second steel bar and the balcony reinforcement steel bar extend out of the concrete slab, which is convenient for combining with the intersecting concrete to ensure the connection strength while reducing the assembly workload and improving construction efficiency. The balcony reinforcement frame and the wall reinforcement frame are connected into one through the balcony reinforcement steel bar and the connecting steel frame, further enhancing the structural strength of the balcony slab. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the utility model from another perspective;

[0023] Figure 3 This is a schematic diagram of the connection structure between the balcony reinforcement frame and the wall reinforcement frame of the utility model;

[0024] Figure 4 yes Figure 3 A magnified view of part A;

[0025] Figure 5 yes Figure 3 Explosion diagram of

[0026] Figure 6 yes Figure 5 A magnified view of part B;

[0027] Figure 7 This is a structural diagram of the utility model wall reinforcement frame;

[0028] Figure 8 It is a structural diagram of the end grid of the utility model;

[0029] Figure 9 yes Figure 8 Explosion diagram of

[0030] Figure 10 It is a structural diagram of the middle grid of the utility model;

[0031] Figure 11 yes Figure 10 Explosion diagram of

[0032] Figure: 1, balcony slab; 11, spliced ​​side wall; 12, cast side wall; 2, wall slab; 21, spliced ​​end; 22, cast end; 23, vertical slab; 24, horizontal bar; 3, central grid; 31, connecting steel frame; 311, U-shaped slab; 3111, first strip opening; 312, first bolt; 313, first nut; 314, pressing plate; 3141, pressing groove; 3142, second strip opening; 315, second bolt; 316 , second nut; 317, connecting block; 318, third bolt; 319, third nut; 32, first steel bar; 4, end grid; 41, second steel bar; 42, second fastening sleeve; 43, positioning plate; 431, first through hole; 432, second through hole; 44, outer shell; 45, embedded shell; 46, positioning boss; 5, balcony reinforcement frame; 51, third steel bar; 52, fourth steel bar; 53, first fastening sleeve; 54, compression strip. DETAILED DESCRIPTION

[0033] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0034] like Figures 1-11 As shown, the utility model is a high-strength assembled prefabricated concrete balcony, comprising:

[0035] A concrete slab includes a balcony slab 1 and two enclosure panels 2. The circumferential sidewalls of the balcony slab 1 include a splicing sidewall 11 and a cast sidewall 12 integrally connected to the enclosure panels 2. Each enclosure panel 2 extends along the length of the cast sidewall 12 and has two ends, respectively, a splicing end 21 and a cast end 22. The cast ends 22 of adjacent enclosure panels 2 are integrally connected.

[0036] The wall reinforcement frame includes a vertical middle grid 3 and end grids 4 arranged at the top and bottom ends of the wall reinforcement frame. The middle grid 3 includes a connecting steel frame 31 distributed along the length of the wall panel 2 and a first steel bar 32 distributed in the vertical direction and connected to the connecting steel frame 31. The end grid 4 includes a second steel bar 41. The first steel bar 32 and the second steel bar 41 are both U-shaped steel bars, both ends of which pass through the splicing end 21, and the bent portion is adjacent to the casting end 22.

[0037] The balcony reinforcement frame 5 is arranged between the top and bottom surfaces of the balcony slab 1, and includes connected balcony reinforcement steel bars. The balcony reinforcement steel bars include a third steel bar 51 and a fourth steel bar 52 with a vertical distribution direction and both are U-shaped. Both ends of the third steel bar 51 and the fourth steel bar 52 pass through the cast side wall, and the bent parts are respectively arranged in the two wall panels 2 and fixedly connected to the connecting steel frame 31.

[0038] In the present invention, after the wall reinforcement frame and the balcony reinforcement frame 5 are overlapped and spliced ​​and placed on the mold, concrete slurry is injected into the mold. After the concrete slurry is solidified and formed, a concrete slab is formed. The concrete slab is mainly divided into two parts, one is the balcony slab 1, and the other is the wall slab 2. The structural strength of the balcony slab 1 is increased by the balcony reinforcement frame 5, and the structural strength of the wall slab 2 is increased by the wall reinforcement frame. The balcony reinforcement steel bars in the balcony reinforcement frame 5 are connected to the connecting steel frame 31 in the wall reinforcement steel bars, so that the wall reinforcement frame is connected to the balcony reinforcement frame 5, thereby strengthening the overall structural strength of the concrete slab.

[0039] Specifically, the balcony slab 1 is a flat rectangular parallelepiped. During the construction of the concrete balcony, when combined with the cast-in-place concrete, the length and width directions of the balcony slab 1 are horizontal, and the thickness direction is the plumb direction. The circumferential side walls of the balcony slab 1 include four side walls, which are two cast side walls 12 and two spliced ​​side walls 11, respectively. The two spliced ​​side walls 11 are integrally connected to the two wall panels 2, and the two spliced ​​side walls 11 are vertically connected.

[0040] The wall reinforcement frame includes a vertically arranged middle grid 3 and end grids 4 arranged at the top and bottom of the middle grid 3. The middle grid 3 is used to increase the structural strength of the middle part of the wall panel 2, and the end grid 4 is used to increase the structural strength of the top and bottom parts of the wall panel 2. The first steel bars 32 in the middle grid 3 and the second steel bars 41 in the end grid 4 are both U-shaped steel bars, and the ends extend out of the casting end 22 of the wall panel 2, and the bent portion is arranged between the casting end 22 and the splicing end 21 and is adjacent to the splicing end 21. Compared with the use of straight steel bars, while ensuring the same structural strength, it can reduce the workload of fixing the wall reinforcement frame on the mold, facilitate quick splicing, and improve construction efficiency. The first steel bars 32 are connected by a connecting steel frame 31 to ensure the structural strength of the middle grid 3.

[0041] The balcony reinforcement frame 5 includes a plurality of balcony reinforcement steel bars, and the balcony reinforcement steel bars are divided into two groups. The two groups of balcony reinforcement steel bars are respectively a third steel bar 51 and a fourth steel bar 52. The third steel bar 51 and the fourth steel bar 52 are both U-shaped steel bars, wherein the third steel bar 51 is distributed along the width direction of the balcony plate 1, and the fourth steel bar 52 is distributed along the length direction of the balcony plate 1. The distribution direction of both ends of the third steel bar 51 and the distribution direction of both ends of the fourth steel bar 52 are parallel to the thickness direction of the balcony plate 1. Both ends of the third steel bar 51 pass through one of the spliced ​​side walls 11 of the balcony plate 1, and the bent portion is connected to the connecting steel frame 31 of one of the wall reinforcement frames, and is arranged on the connecting steel frame 31. The connecting steel frame 31 is located in the middle of the wall panel 2, and both ends of the fourth steel bar 52 pass through the other spliced ​​side wall 11 of the balcony panel 1. The bent portion is connected to the connecting steel frame 31 of another wall reinforcement frame and is arranged in the middle of the wall panel 2 where the connecting steel frame 31 is located, so that the balcony reinforcement frame 5, the wall reinforcement frame, the balcony panel 1 and the wall panel 2 are connected to form a whole, thereby increasing the structural strength of the precast concrete balcony; in addition, in the utility model, the first steel bar 32, the second steel bar 41, the third steel bar 51 and the fourth steel bar 52 all adopt U-shaped steel bars, which are beneficial to reduce assembly workload and improve construction efficiency compared with straight steel bars.

[0042] A further improvement is that the connecting steel frame 31 includes two U-shaped plates 311 that are opposite and fixedly connected to each other. The U-shaped plate 311 is fixedly connected to a clamping plate 314 by a first bolt 312 and a first nut 313 that are threaded together. The first steel bar 32 is clamped between the clamping plate 314 and the U-shaped plate 311; a clamping groove 3141 is provided on the side of the clamping plate 314 adjacent to the first steel bar 32. The clamping groove 3141 extends along the length direction of the wall panel 2 and has a cross-section that is an arc with the same diameter as the first steel bar 32.

[0043] Specifically, such as Figure 10 and Figure 11As shown, the connecting steel frame 31 includes two U-shaped plates 311 facing each other, the ends of the two U-shaped plates 311 are adjacent to each other and a connecting block 317 is provided between the two. The connecting block 317 and the two U-shaped plates 311 are fixedly connected by a third bolt 318 and a third nut 319 that are threaded together; the first steel bar 32 and the clamping plate 314 are evenly arranged on both sides of the outside of the U-shaped plate 311, and the clamping plates 314 on both sides are brought close to each other by the first bolt 312 and the first nut 313, thereby locking the first steel bar 32 to the clamping plate 314 Between the outer wall of the U-shaped plate 311, a locking and fixed connection between the first steel bar 32 and the U-shaped plate 311 is achieved, thereby achieving a fixed connection between the first steel bar 32 and the connecting steel frame 31, and a clamping groove 3141 adapted to the first steel bar 32 is provided on the clamping plate 314. During the assembly and splicing process, the inner wall of the clamping groove 3141 is abutted against the first steel bar 32, thereby increasing the contact area between the clamping plate 314 and the clamping groove 3141, thereby increasing the locking connection strength of the first steel bar 32 and the connecting steel frame 31.

[0044] A further improvement is that a first strip opening 3111 extending in a vertical direction is provided on the U-shaped plate 311, and a second strip opening 3142 extending in a vertical direction is provided on the pressing plate 314. The balcony reinforcement steel bars are passed through the inner sides of the first strip opening 3111 and the second strip opening 3142, and are threadedly connected with a first fastening sleeve 53. The U-shaped plate 311 is clamped between the first fastening sleeve 53 and the bent portion of the balcony reinforcement steel bars.

[0045] Specifically, such as Figure 4 、 Figure 6 、 Figure 10 and Figure 11 As shown, the balcony reinforcement frame 5 further includes a compression strip 54 , both ends of which are sleeved outside the two ends of the balcony reinforcement steel bar, and both ends of the balcony reinforcement steel bar are threadedly connected with a first fastening sleeve 53 . After adopting the above structure, after the two wall reinforcement frames are spliced ​​and formed, the two ends of the third steel bar 51 and the fourth steel bar 52 are passed through the first strip opening 3111 on the U-shaped plate 311 and the second strip opening 3142 on the pressing plate 314, so that the bent part of the balcony reinforcement steel bar rests on the pressing plate 314, and then the compression strip 54 is first put on the end of the balcony reinforcement steel bar, and then the first fastening sleeve 53 is screwed into the end so that the compression strip 54 is clamped between the first fastening sleeve 53 and the connecting steel frame 31, thereby completing the fixed connection between the balcony reinforcement steel bar and the connecting steel frame 31. There is no need to tie and fix the third steel bar 51 and the fourth steel bar 52. At the same time, the third steel bar 51 and the fourth steel bar 52 are respectively fixedly connected to the two wall reinforcement frames. Therefore, after the two balcony reinforcement frames 5 are placed on the mold, the third steel bar 51 and the fourth steel bar 52 respectively connected to the two balcony reinforcement frames 5 can be combined and connected to form the balcony reinforcement frame 5, simplifying the splicing steps and improving construction efficiency.

[0046] As a further improvement, a second bolt 315 and a second nut 316 are provided on the U-shaped plate 311 in threaded connection. The second bolt 315 and the inner wall of the U-shaped plate 311 form a fastening opening, and the second steel bar 41 is clamped in the fastening opening.

[0047] Specifically, such as Figure 7 、 Figure 10 and Figure 11 As shown, by passing the second bolt 315 through the U-shaped plate 311 and tightening the second nut 316, the position of the second bolt 315 is fixed, so that the second bolt 315 and the U-shaped plate 311 are enclosed to form a fastening opening for clamping the second steel bar 41, thereby realizing a locking and fixed connection between the end grid 4 and the middle grid 3.

[0048] A further improvement is that the cross-section of the wall panel 2 is U-shaped with its back to the balcony panel 1. The wall panel 2 includes a vertical panel 23 and horizontal bars 24 arranged at the top and bottom ends of the vertical panel 23. The vertical panel 23 corresponds to the middle grid 3 and is integrally connected to the balcony panel 1. The horizontal bars 24 correspond to the end grid 4.

[0049] Specifically, such as Figure 1 and Figure 2 As shown, the wall panel 2 adopts this structure, which helps to reduce the amount of concrete material required for casting the wall panel 2, thereby reducing the weight of the wall panel 2 and facilitating transportation.

[0050] A further improvement is that at least two second steel bars 41 are provided in the end grid 4, spaced apart in a direction perpendicular to the width of the horizontal bars 24. The end grid 4 also includes a hollow frame and a second fastening sleeve 42, which is threadedly connected to the second steel bars 41. The hollow frame is clamped between the second fastening sleeve 42 and the bent portion of the second steel bars 41. By providing multiple second steel bars 41, the structural strength of the horizontal bars 24 in the wall panel 2 is ensured. During assembly, the multiple second steel bars 41 are passed through the hollow frame, and then the second fastening sleeve 42 is screwed into the end of the second steel bar 41. The hollow frame is clamped between the second fastening sleeve 42 and the bent portion of the second steel bar 41, thereby completing the fixed connection between the multiple second steel bars 41.

[0051] A further improvement is that the hollow frame includes positioning plates 43 distributed along the length direction of the wall panel 2, and the positioning plates 43 are provided with a first through hole 431 for the second steel bar 41 to pass through, and a hollow tube with adjustable length is sandwiched between adjacent positioning plates 43; the hollow tube includes an outer shell 44 and an inner shell 45 that are threadedly connected and arranged opposite each other, and the ends of the outer shell 44 and the inner shell 45 that are close to each other are open, and the ends that are away from each other are closed; a second through hole 432 is provided on the positioning plate 43, and both ends of the hollow tube are provided with positioning bosses 46 that are plugged into the second through hole 432.

[0052] Specifically, such as Figure 8 and Figure 9 As shown, the positioning plate 43 is provided with a plurality of first through-holes 431. The diameter of the first through-holes 431 is larger than the diameter of the second reinforcement 41, facilitating the insertion of the second reinforcement 41. After the second reinforcement 41 is inserted through the plurality of positioning plates 43, a hollow tube consisting of an inner shell 45 and an outer shell 44 is placed between adjacent positioning plates 43. The threaded connection between the two facilitates adjustment of the axial distance between the inner shell 45 and the outer shell 44, so that the positioning bosses 46 at the ends of the inner shell 45 and the outer shell 44 are inserted into the second through-holes 432. Thus, the plurality of hollow shells and the positioning plates 43 are combined to form a hollow frame. The hollow frame is clamped and fixed between the bent portion of the second reinforcement 41 and the second fastening sleeve 42, thereby completing the assembly of the end grid 4. Compared with the prior art, the presence of the hollow tube occupies a portion of the space, further reducing the amount of concrete required for casting the horizontal bars 24 in the wall panel 2, thereby reducing the overall weight of the wall panel 2 and achieving lightweight production.

[0053] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A high-strength assembled precast concrete balcony, characterized in that: include: A concrete slab, the concrete slab comprising a balcony slab (1) and two wall slabs (2), the circumferential side walls of the balcony slab (1) comprising a splicing side wall (11) and a casting side wall (12) integrally connected to the wall slab (2), each wall slab (2) extending along the length direction of the casting side wall (12) and having two ends respectively comprising a splicing end (21) and a casting end (22), and the casting ends (22) of adjacent wall slabs (2) being integrally connected; A wall reinforcement frame, the wall reinforcement frame comprising a vertical middle grid (3) and end grids (4) arranged at the top and bottom ends of the wall reinforcement frame, the middle grid (3) comprising a connecting steel frame (31) distributed along the length direction of the wall panel (2) and a first steel bar (32) distributed along the vertical direction and connected to the connecting steel frame (31), the end grid (4) comprising a second steel bar (41), the first steel bar (32) and the second steel bar (41) both being U-shaped steel bars, both ends of which pass through the splicing end (21), and the bent portion being adjacent to the casting end (22); A balcony reinforcement frame (5), the balcony reinforcement frame (5) is arranged between the top surface and the bottom surface of the balcony plate (1), and includes connected balcony reinforcement steel bars, the balcony reinforcement steel bars include a third steel bar (51) and a fourth steel bar (52) with a vertical distribution direction and both being U-shaped, both ends of the third steel bar (51) and the fourth steel bar (52) passing through the cast side wall, and the bent portions are respectively arranged in the two wall plates (2) and fixedly connected to the connecting steel frame (31).

2. The high-strength assembled precast concrete balcony according to claim 1 is characterized in that: The connecting steel frame (31) comprises two U-shaped plates (311) facing each other and fixedly connected to each other, the U-shaped plates (311) being fixedly connected to a pressing plate (314) via a first bolt (312) and a first nut (313) in threaded engagement, and the first steel bar (32) being sandwiched between the pressing plate (314) and the U-shaped plate (311).

3. The high-strength assembled precast concrete balcony according to claim 2 is characterized in that: A compression through groove (3141) is provided on a surface of the compression plate (314) adjacent to the first steel bar (32); the compression through groove (3141) extends along the length direction of the wall plate (2) and has an arc-shaped cross-section with the same diameter as the first steel bar (32).

4. The high-strength assembled precast concrete balcony according to claim 2 is characterized in that: The U-shaped plate (311) is provided with a first strip opening (3111) extending in a vertical direction, and the pressing plate (314) is provided with a second strip opening (3142) extending in a vertical direction. The balcony reinforcement steel bars are both passed through the inner sides of the first strip opening (3111) and the second strip opening (3142), and are threadedly connected with a first fastening sleeve (53). The U-shaped plate (311) is sandwiched between the first fastening sleeve (53) and the bent portion of the balcony reinforcement steel bars.

5. The high-strength assembled precast concrete balcony according to claim 2 is characterized in that: The U-shaped plate (311) is further provided with a second bolt (315) and a second nut (316) that are threadedly connected. The second bolt (315) and the inner wall of the U-shaped plate (311) are combined to form a fastening opening, and the second steel bar (41) is clamped in the fastening opening.

6. The high-strength assembled precast concrete balcony according to claim 1 is characterized in that: The cross section of the wall panel (2) is U-shaped and faces away from the balcony panel (1). The wall panel (2) comprises a vertical panel (23) and horizontal bars (24) arranged at the top and bottom ends of the vertical panel (23). The vertical panel (23) corresponds to the middle grid (3) and is integrally connected to the balcony panel (1). The horizontal bars (24) correspond to the end grids (4).

7. The high-strength assembled precast concrete balcony according to claim 6, characterized in that: In the end grid (4), at least two second steel bars (41) are provided and spaced apart in a width direction perpendicular to the horizontal bar (24). The end grid (4) further comprises a hollow frame and a second fastening sleeve (42). The second fastening sleeve (42) is threadedly connected to the second steel bar (41). The hollow frame is sandwiched between the second fastening sleeve (42) and the bent portion of the second steel bar (41).

8. The high-strength assembled precast concrete balcony according to claim 7, characterized in that: The hollow frame comprises positioning plates (43) distributed along the length direction of the wall plate (2), the positioning plates (43) being provided with first through holes (431) for the second steel bars (41) to pass through, and hollow tubes with adjustable lengths being sandwiched between adjacent positioning plates (43).

9. The high-strength assembled precast concrete balcony according to claim 8, characterized in that: The hollow tube comprises an outer shell (44) and an inner shell (45) that are threadedly connected and arranged opposite to each other. The ends of the outer shell (44) and the inner shell (45) that are close to each other are open, and the ends that are far away from each other are closed.

10. The high-strength assembled precast concrete balcony according to claim 8, characterized in that: A second through hole (432) is provided on the positioning plate (43), and both ends of the hollow tube are provided with positioning bosses (46) that are plugged into and fit with the second through hole (432).

Images