Structural beam hole cut-off transformation structure

Abstract

The utility model relates to the technical field of buildings, in particular to a structural beam opening cut-off transformation structure, an original structure comprises a concrete beam and a supporting column, a steel beam is installed on the lower side of the concrete beam of the transformed structure, an embedded part is fixed on the side face of the supporting column through a chemical anchor bolt, and the steel beam is welded with the embedded part. Steel bars and concrete at a hole of the concrete beam are cut off, a hole frame and a top embedded part of the hole frame are arranged, a lintel and an awning are arranged at the top of the hole and are of an integrated prefabricated structure, an embedded part is arranged at the bottom of the lintel, and the embedded part at the bottom of the lintel and the embedded part at the top of the hole frame are welded on site. According to the improved structure, the original concrete beam and the wall body and the lintel on the upper portion of the original concrete beam are supported through the steel beams supported on the supporting columns, force transmission is clear, the structural stability is improved, the wall body is prevented from collapsing, a structural system is safe and reliable, prefabricated parts are mainly adopted for construction, the construction difficulty of an improvement site can be effectively lowered, and the improvement construction period is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a structural beam opening cut-off and reconstruction structure. Background Art

[0002] When the function of the house changes and another opening needs to be opened in the span of the concrete beam, the concrete beam will be cut off and the original structure will change, which will reduce the structural stability and reliability of the concrete beam. At this time, the concrete beam will be difficult to support the upper walls, floor slabs and other structures, and it is easy to collapse. A new structural system must be rebuilt to support the above-mentioned parts. Moreover, because the object to be renovated is an existing building and is in use, the construction space is limited and the renovation period is tight. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, the purpose of the present invention is to provide a structural beam opening cut-off renovation structure with clear force transmission, improved structural stability, safe and reliable structural system, and mainly based on prefabricated parts, which effectively reduces the difficulty of construction on the renovation site and shortens the renovation period.

[0004] The technical solution adopted by this utility model is:

[0005] A structural beam opening cut-off reconstruction structure includes a concrete beam and a support column. Two support columns are provided and are respectively connected to both sides of the concrete beam. An opening is provided on the top of the concrete beam, and a steel beam is installed on the lower side. Embedded parts are connected to the opposite sides of the two support columns, and the two ends of the steel beam are respectively welded to the two embedded parts.

[0006] Preferably, the steel beam includes a first transverse plate, a vertical plate and a second transverse plate, and the first transverse plate and the second transverse plate are vertically connected to the upper and lower sides of the vertical plate respectively.

[0007] Preferably, a fine stone concrete layer or a mortar layer is filled between the concrete beam and the first transverse plate.

[0008] Preferably, a plurality of reinforcing ribs are welded to both sides of the vertical plate, and the upper and lower sides of the reinforcing ribs are respectively welded to the first horizontal plate and the second horizontal plate in a vertical manner.

[0009] Preferably, a support plate is vertically welded to one side of the embedded part, and the support plate is connected to the vertical plate by bolts.

[0010] Preferably, first steel plates are welded to both sides of the vertical plate, and bolts are movably inserted through the support plate, the vertical plate and the first steel plate.

[0011] Preferably, the embedded part is connected to the support column via a chemical anchor bolt.

[0012] Preferably, a wall is provided on the upper side of the concrete beam, an avoidance opening is provided on the wall, and a prefabricated lintel is provided in the avoidance opening and is arranged on the upper side of the opening.

[0013] Preferably, a second steel plate is provided on the lower side of the prefabricated lintel, and a third steel plate is provided on the upper side of the concrete beam, and the third steel plate is welded to the second steel plate.

[0014] Preferably, a first steel bar is provided in the prefabricated lintel, the lower end of the first steel bar is connected to the second steel plate, and a second steel bar is provided in the concrete beam, the upper end of the second steel bar is connected to the third steel plate.

[0015] The beneficial effects of the present invention are:

[0016] The structural beam opening cut-off reconstruction structure welds the two ends of the steel beam to two embedded parts before cutting off the opening at the top of the concrete beam, and then fixes the steel beam to the lower side of the concrete beam. The concrete beam is supported by the steel beam to ensure that the upper load can be borne by the beam, the structural force transmission is clear, the structural stability is improved, the wall collapse is prevented, the structural system is safe and reliable, and the use of prefabricated parts such as steel beams can effectively reduce the difficulty of construction on the reconstruction site and shorten the reconstruction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 Schematic diagram of the connection between steel beams and embedded parts.

[0019] Figure 3 for Figure 2 Cross-sectional view at AA in the middle.

[0020] Figure 4 Schematic diagram of the connection between concrete beam and precast lintel.

[0021] In the figure: 1. Concrete beam; 2. Support column; 3. Opening; 4. Steel beam; 401. First horizontal plate; 402. Vertical plate; 403. Second horizontal plate; 5. Embedded parts; 6. Mortar layer; 7. Reinforcement ribs; 8. Support plate; 9. Bolts; 10. First steel plate; 11. Chemical anchor bolts; 12. Precast lintel; 13. Second steel plate; 14. Third steel plate; 15. First steel bar; 16. Second steel bar; 17. Wall. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 The utility model provides a technical solution: a structural beam opening truncation and reconstruction structure, comprising a concrete beam 1 and a support column 2, wherein two support columns 2 are provided and are respectively connected to both sides of the concrete beam 1, an opening 3 is provided on the top of the concrete beam 1, and a steel beam 4 is installed on the lower side thereof, and embedded parts 5 are connected to the opposite sides of the two support columns 2, and the two ends of the steel beam 4 are respectively welded to the two embedded parts 5;

[0024] Before cutting the opening 3 at the top of the concrete beam 1, the two ends of the steel beam 4 are welded to the two embedded parts 5 respectively, and then the steel beam 4 is fixedly installed on the lower side of the concrete beam 1. The steel beam 4 supports the concrete beam 1, ensuring that the upper load can be borne by the beam, preventing the wall 17 from collapsing, and improving the stability and reliability of the structure. Then, the opening 3 is cut at the top of the concrete beam 1, and a certain thickness of concrete is retained at the bottom of the concrete beam 1 to avoid cutting the concrete beam 1 into two sections, so that the concrete beam 1 still has a certain degree of integrity.

[0025] The concrete beam 1 is supported by the steel beam 4 to ensure that the upper load can be borne by the beam, the structural force transmission is clear, the structural stability is improved, the wall collapse is prevented, and the structural system is safe and reliable. In addition, the use of prefabricated parts such as the steel beam 4 can effectively reduce the difficulty of construction on the renovation site and shorten the renovation period.

[0026] In order to facilitate improving the structural stability, in this embodiment, preferably, the steel beam 4 includes a first horizontal plate 401, a vertical plate 402 and a second horizontal plate 403, and the first horizontal plate 401 and the second horizontal plate 403 are respectively vertically connected to the upper and lower sides of the vertical plate 402. The purpose is to form an "I" structure by vertically connecting the first horizontal plate 401 and the second horizontal plate 403 to the upper and lower sides of the vertical plate 402, that is, the steel beam 4 is an I-beam, which has good bending resistance and improves the bearing capacity and structural stability.

[0027] In order to facilitate improving the structural stability and reliability, in this embodiment, preferably, a fine stone concrete layer or a mortar layer 6 is filled between the concrete beam 1 and the first horizontal plate 401. The purpose is to smoothly transfer the load borne by the concrete beam 1 to the first horizontal plate 401 through the fine stone concrete layer or the mortar layer 6, thereby ensuring that the upper load can be borne by the beam and improving the structural stability and reliability.

[0028] In order to facilitate improving the structural strength of the steel beam 4, in this embodiment, preferably, a number of reinforcing ribs 7 are welded on both sides of the vertical plate 402, and the upper and lower sides of the reinforcing ribs 7 are respectively welded vertically to the first horizontal plate 401 and the second horizontal plate 403, in order to improve the structural strength of the steel beam 4 by reinforcing the ribs 7.

[0029] In order to facilitate and improve the convenience of construction, in this embodiment, preferably, a support plate 8 is vertically welded on one side of the embedded part 5, and the support plate 8 is connected to the vertical plate 402 by bolts 9. The purpose is to avoid the inconvenience of connecting the heavier steel beam 4 to the embedded part 5. Therefore, a support plate 8 is first vertically welded on one side of the embedded part 5, and then the vertical plate 402 is fixed to the support plate 8 by bolts 9 to form a positioning, and finally the steel beam 4 is welded to the embedded part 5 to improve the convenience of construction.

[0030] In order to facilitate improving the structural strength of the vertical plate 402, and thereby improve the stability and reliability of the connection between the vertical plate 402 and the support plate 8, in this embodiment, preferably, a first steel plate 10 is welded on both sides of the vertical plate 402, and the bolts 9 are movably passed through the support plate 8, the vertical plate 402 and the first steel plate 10. The purpose is to improve the structural strength of the vertical plate 402 by welding the first steel plate 10 on both sides of the vertical plate 402, and when the vertical plate 402 is connected to the support plate 8, the bolts 9 are passed through the support plate 8, the vertical plate 402 and the first steel plate 10.

[0031] In order to improve the installation stability of the embedded component 5 , in this embodiment, preferably, the embedded component 5 is connected to the support column 2 through a chemical anchor bolt 11 .

[0032] In order to facilitate the installation of the prefabricated lintel 12 on the upper side of the opening 3, in this embodiment, preferably, a wall 17 is provided on the upper side of the concrete beam 1, and an avoidance opening is provided on the wall 17. The prefabricated lintel 12 is provided in the avoidance opening, and it is arranged on the upper side of the opening 3. The purpose is to cut off the opening 3 at the top of the concrete beam 1 while opening an avoidance opening on the wall 17. Then a canopy can be installed on the prefabricated lintel 12, and the canopy can prevent rainwater from splashing into the opening 3. Finally, the prefabricated lintel 12 is placed in the avoidance opening, and the upper load is supported by the prefabricated lintel 12. The use of the prefabricated lintel 12 can effectively reduce the difficulty of construction on the renovation site and shorten the renovation period.

[0033] In order to facilitate improving the connection stability of the prefabricated lintel 12, in this embodiment, preferably, a second steel plate 13 is provided on the lower side of the prefabricated lintel 12, and a third steel plate 14 is provided on the upper side of the concrete beam 1, and the third steel plate 14 is welded to the second steel plate 13. The purpose is to weld the second steel plate 13 to the third steel plate 14, thereby fixing the prefabricated lintel 12, so that the prefabricated lintel 12 is firmly connected to the concrete beam 1, thereby improving the connection stability of the prefabricated lintel 12.

[0034] In order to facilitate further improving the connection stability of the prefabricated lintel 12, in this embodiment, preferably, a first steel bar 15 is provided in the prefabricated lintel 12, and the lower end of the first steel bar 15 is connected to the second steel plate 13, and a second steel bar 16 is provided in the concrete beam 1, and the upper end of the second steel bar 16 is connected to the third steel plate 14. The purpose is to implant the first steel bar 15 in the prefabricated lintel 12 and connect the first steel bar 15 to the second steel plate 13, thereby improving the connection stability of the second steel plate 13 and the prefabricated lintel 12, and implant the second steel bar 16 in the concrete beam 1, and connect the second steel bar 16 to the third steel plate 14, thereby improving the connection stability of the third steel plate 14 and the concrete beam 1, so that the connection between the prefabricated lintel 12 and the concrete beam 1 is more stable.

[0035] The working principle and use process of the present invention are as follows: first, the embedded part 5 is fixed to the support column 2 by a chemical anchor bolt 11, and then the support plate 8 is vertically welded to one side of the embedded part 5, and the vertical plate 402 is fixed to the support plate 8 by a bolt 9 to form a positioning, and then the steel beam 4 is welded to the embedded part 5, and a fine stone concrete layer or a mortar layer 6 is filled between the concrete beam 1 and the first horizontal plate 401, and then, while the hole 3 is cut off at the top of the concrete beam 1, an avoidance opening is opened on the wall 17, and a first steel bar 15 is implanted in the prefabricated lintel 12, and the first steel bar 15 is connected to the second steel plate 13, and a second steel bar 16 is implanted in the concrete beam 1, and the second steel bar 16 is connected to the third steel plate 14, and then a canopy is installed on the prefabricated lintel 12, and the prefabricated lintel 12 is placed in the avoidance opening, and finally the second steel plate 13 is welded to the third steel plate 14;

[0036] After the renovation, the structure supports the concrete beam 1 and the wall 17 above it through the steel beam 4. The wall 17 above the opening 3 transfers the load to the concrete beam 1, steel beam 4 and support column 2 in sequence through the prefabricated lintel 12. The force transmission of the structure after the renovation is clear, the structural stability is improved, the structural system is safe and reliable, and the renovation components are mainly prefabricated parts such as the steel beam 4 and the prefabricated lintel 12, which effectively reduces the difficulty of construction on the renovation site and shortens the renovation period.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A structural beam opening truncation and reconstruction structure, comprising a concrete beam (1) and a support column (2), wherein two support columns (2) are provided and are respectively connected to both sides of the concrete beam (1), and characterized in that: The top of the concrete beam (1) is provided with an opening (3), and a steel beam (4) is installed on its lower side. The opposite sides of the two support columns (2) are connected with embedded parts (5), and the two ends of the steel beam (4) are respectively welded to the two embedded parts (5).

2. The structural beam opening truncation and reconstruction structure according to claim 1 is characterized in that: The steel beam (4) comprises a first transverse plate (401), a vertical plate (402) and a second transverse plate (403), wherein the first transverse plate (401) and the second transverse plate (403) are respectively vertically connected to the upper and lower sides of the vertical plate (402).

3. The structural beam opening truncation and reconstruction structure according to claim 2 is characterized in that: A fine stone concrete layer or a mortar layer (6) is filled between the concrete beam (1) and the first transverse plate (401).

4. The structural beam opening truncation and reconstruction structure according to claim 2 is characterized in that: A plurality of reinforcing ribs (7) are welded to both sides of the vertical plate (402), and the upper and lower sides of the reinforcing ribs (7) are respectively welded vertically to the first horizontal plate (401) and the second horizontal plate (403).

5. The structural beam opening truncation and reconstruction structure according to claim 2 is characterized in that: A support plate (8) is vertically welded to one side of the embedded part (5), and the support plate (8) is connected to the vertical plate (402) via bolts (9).

6. The structural beam opening truncation and reconstruction structure according to claim 5 is characterized in that: A first steel plate (10) is welded to both sides of the vertical plate (402), and the bolt (9) is movably inserted through the support plate (8), the vertical plate (402) and the first steel plate (10).

7. The structural beam opening truncation and reconstruction structure according to claim 1 is characterized in that: The embedded part (5) is connected to the support column (2) via a chemical anchor bolt (11).

8. The structural beam opening truncation and reconstruction structure according to claim 1 is characterized in that: A wall (17) is provided on the upper side of the concrete beam (1), a relief opening is provided on the wall (17), and a prefabricated lintel (12) is provided in the relief opening and is arranged on the upper side of the opening (3).

9. The structural beam opening truncation and reconstruction structure according to claim 8, characterized in that: A second steel plate (13) is provided on the lower side of the prefabricated lintel (12), a third steel plate (14) is provided on the upper side of the concrete beam (1), and the third steel plate (14) is welded to the second steel plate (13).

10. The structural beam opening truncation and reconstruction structure according to claim 9, characterized in that: A first steel bar (15) is provided in the prefabricated lintel (12), the lower end of the first steel bar (15) is connected to the second steel plate (13), and a second steel bar (16) is provided in the concrete beam (1), the upper end of the second steel bar (16) is connected to the third steel plate (14).

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