CN210421448U - Connection node of assembled girder and two side secondary girders - Google Patents
Connection node of assembled girder and two side secondary girders Download PDFInfo
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- CN210421448U CN210421448U CN201920892945.7U CN201920892945U CN210421448U CN 210421448 U CN210421448 U CN 210421448U CN 201920892945 U CN201920892945 U CN 201920892945U CN 210421448 U CN210421448 U CN 210421448U
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Abstract
The utility model provides a connected node of assembled girder and two side secondary beams, belongs to the building technology field, the last mid portion of prefabricated girder is located the top system and has the rectangle dead slot, and the inside system placed in the middle of rectangle dead slot has the solid rectangular block of connection, and it has T type groove to have the T type groove in both sides system on the solid rectangular block of connection, prefabricated secondary beam tip system has the rectangle connection rib, and the system has T type groove on the rectangle connection rib, the T type groove of one side forms I-shaped groove on the T type groove on the rectangle connection rib and the solid rectangular block of connection, and this I-shaped groove and I-shaped steel sheet phase-match, rectangle connection rib and the rectangular dead slot one side grafting on the prefabricated girder link to each other, and the two is the cross with prefabricated girder and is connected through I-shaped steel sheet. Through prefabricating assorted spread groove on will prefabricating girder and the prefabricated secondary beam, set up I-shaped recess in it, connect through I-shaped steel sheet, upper portion sets up the apron, and the junction sets up L shaped steel board, realizes the convenient, stable installation of prefabricated main, secondary beam.
Description
Technical Field
The utility model belongs to the technical field of the building, especially, relate to a connected node of assembled girder and two side secondary beams.
Background
The key of the prefabricated integral structure is how to effectively connect prefabricated parts manufactured in a factory into an integral structural system after the prefabricated parts are hoisted on site. The construction progress and quality of the project can be directly influenced by the installation difficulty degree and the concrete pouring quality of the members in the connecting node area. Therefore, on the premise of ensuring the structural safety, a method for connecting prefabricated and assembled integral frame nodes which is as simple and convenient as possible is sought, and the problem to be solved urgently in the engineering field at present is solved.
The prefabricated girder of current mill and secondary beam, the connection of the two mainly has following several kinds of modes: (1) in the field installation process, the two are connected into a whole by adopting a welding mode. However, this approach has the following drawbacks: the welding time is long, the working period can be greatly prolonged, and time and labor are wasted; (2) the main beam and the secondary beam are provided with embedded steel connecting pieces, and the connecting pieces are connected through bolts to realize the splicing of the beams. However, this approach has the following drawbacks: the embedded profile steel connecting piece has a complex structure and is inconvenient to manufacture; the rigidity of the embedded area is large, and the ductility performance is poor; (3) reinforcing ribs are pre-embedded on the secondary beam, a preformed hole is formed in the main beam, and the reinforcing ribs penetrate through the preformed hole and are sealed through concrete slurry. However, this approach has the following drawbacks: the concrete grout seal has short service life, generates stress concentration and is easy to generate local damage, and the overall mechanical property is poor; the installation period is long; (4) all set up attach fitting on girder or secondary beam, at the pre-buried steel sheet of joint tip, set up the bolt mounting hole on one side steel sheet, pass through the bolt fastening between the steel sheet to twist the bolt through the mounting hole. However, this approach has the following drawbacks: the connecting structure is complex, the cost is high, the structure is complex during prefabrication, and the manufacture is inconvenient.
Therefore, the connection forms of the primary beam and the secondary beam are various and have advantages and disadvantages, and the development of the assembly type primary beam and secondary beam connection method which is firm in structure and convenient to connect can be greatly accelerated.
Disclosure of Invention
In order to solve the technical problem that above-mentioned exists, the utility model provides a connected node of assembled girder and two side secondary beams through prefabricating assorted spread groove on will prefabricating girder and the prefabricated secondary beam, sets up the I shape recess in it, connects through the I shape steel sheet, and upper portion sets up the apron, and the junction sets up L shaped steel board, realizes the convenient of prefabricated main, secondary beam, stable installation.
The utility model adopts the technical scheme as follows:
a connection node of an assembled main beam and double-side secondary beams comprises a prefabricated main beam, prefabricated secondary beams, rectangular hollow grooves, a connection entity rectangular block, rectangular connection ribs, T-shaped grooves and I-shaped steel plates, wherein the rectangular hollow grooves are formed above the middle part of the prefabricated main beam, the connection entity rectangular block is formed in the rectangular hollow grooves in the middle, T-shaped grooves are formed in two sides of the connection entity rectangular block, the sections of the T-shaped grooves are half of those of the I-shaped steel plates, the end parts of the prefabricated secondary beams are provided with the rectangular connection ribs, the rectangular connection ribs are matched with one sides of the rectangular hollow grooves, the T-shaped grooves are formed in the rectangular connection ribs, the T-shaped grooves in the rectangular connection ribs and the T-shaped grooves in one sides of the connection entity rectangular blocks form I-shaped grooves, the I-shaped grooves are matched with the I-shaped steel plates, the rectangular connection ribs are connected with one sides of the rectangular hollow grooves in a splicing mode, and the T-shaped grooves, the two prefabricated secondary beams are connected with the prefabricated main beam in a cross shape.
Furthermore, reserved steel bar holes are formed in a web plate at one end of each I-shaped steel plate, one ends, provided with the reserved steel bar holes, of the two I-shaped steel plates are arranged inside the T-shaped groove respectively, reserved steel bar holes corresponding to the reserved steel bar holes in the I-shaped steel plates are formed in the connecting solid rectangular blocks, and the connecting solid rectangular blocks are connected with the I-shaped steel plates through high-strength threaded steel bars.
Furthermore, two sides of the prefabricated secondary beam connected in the rectangular hollow groove on the prefabricated main beam are provided with cover plate grooves, the lower edges of the cover plate grooves and the upper edges of the rectangular blocks of the connecting bodies are located on the same horizontal line, the cross section of each cover plate is T-shaped and is inversely installed above the rectangular hollow groove, two ribs on each cover plate are consistent with the cross section of each cover plate groove in size, and the cover plates are inserted in the cover plate grooves and are arranged above the joints of the prefabricated main beam and the prefabricated secondary beam.
Furthermore, eight symmetrical reserved bolt holes are arranged on the cover plate, eight reserved bolt holes are correspondingly arranged on the prefabricated secondary beam and the connecting entity rectangular block below and the reserved bolt holes on the cover plate, and then the prefabricated secondary beam and the connecting entity rectangular block are connected through high-strength bolts.
Furthermore, the upper surface of the connecting solid rectangular block in the rectangular empty groove on the prefabricated main beam is lower than the thickness of a cover plate on the upper surface of the prefabricated main beam, and the upper surface of the connecting solid rectangular block and the lower bottom surface of the cover plate groove are located on the same horizontal line.
Furthermore, four L-shaped steel plates are arranged at four corners of the joint where the prefabricated main beam and the prefabricated secondary beam are connected in a cross shape, a reserved steel bar hole is formed in each L-shaped steel plate, and two reserved steel bar holes penetrating through the prefabricated main beam and the prefabricated secondary beam are correspondingly formed in the prefabricated main beam and the prefabricated secondary beam and connected through high-strength deformed steel bars.
Furthermore, the connection node member of the assembled main beam and the secondary beams at two sides is of a prefabricated steel-concrete structure.
The utility model has the advantages that:
the utility model discloses the wholeness is good, simple structure, safe and reliable's nodal connection mode, can effectual solution construction difficulty, installation complicacy, construction are loaded down with trivial details, construction cycle length the utility model provides a connection and the reinforcement of I shaped steel and L shaped steel board can also solve the insecure, the not high scheduling problem of stability of connection, especially the loaded down with trivial details problem of being under construction, the utility model discloses the biggest characteristics are just connection convenience, and connect the back firmly, for the inconvenient and construction cycle length scheduling problem of construction, the utility model discloses can solve this problem effectively.
Drawings
FIG. 1 is a three-dimensional schematic view of a connection of a main beam and a prefabricated secondary beam;
FIG. 2 is a connection front view of a main beam, a prefabricated secondary beam and an L-shaped steel plate;
FIG. 3 is a side view of the connection of the primary beams and the prefabricated secondary beams;
FIG. 4 is a top view of the connection of the main beam, the prefabricated secondary beam and the L-shaped steel plate;
FIG. 5 is a structural elevation view of the main beam;
FIG. 6 is a structural top view of the main beam;
FIG. 7 is a top view of a concrete structure at the joint of a main beam and a prefabricated secondary beam;
FIG. 8 is a top view of the joint of the main beam, the prefabricated secondary beam and the cover plate;
FIG. 9 is a three-dimensional schematic view of an L-shaped steel plate;
fig. 10 is a three-dimensional schematic view of an i-shaped steel plate.
In the figure: the prefabricated beam comprises a prefabricated main beam 1, a prefabricated secondary beam 2, a cover plate 3, a rectangular empty groove 4, a connecting solid rectangular block 5, a cover plate groove 6, a rectangular connecting rib 7, a T-shaped groove 8, an I-shaped steel plate 9, an L-shaped steel plate 10, a high-strength twisted steel 11, a reserved steel hole 12, a high-strength bolt 13 and a reserved bolt hole 14.
Detailed Description
For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.
Example 1:
as shown in fig. 1 to 10, a connection node of an assembled main beam and two-sided secondary beams comprises a prefabricated main beam 1, prefabricated secondary beams 2, a cover plate 3, a rectangular hollow groove 4, a solid rectangular block 5, a cover plate groove 6, a rectangular connecting rib 7, a T-shaped groove 8, an i-shaped steel plate 9, an L-shaped steel plate 10, a high-strength twisted steel 11, a reserved steel hole 12, a high-strength bolt 13 and a reserved bolt hole 14. The utility model discloses the component is prefabricated steel reinforced concrete structure, prefabricated girder 1 on the middle part be located the top and arranged rectangle dead slot 4, rectangle dead slot 4 inside has arranged between two parties and has connected entity rectangular block 5, connect entity rectangular block 5 on with both sides arranged T type groove 8, the cross-section of T type groove 8 is half of I-shaped steel sheet 9, make I-shaped steel sheet 9 one end can arrange inside T type groove 8, arranged on the web of I-shaped steel sheet 9 one section and reserved reinforcing bar entrance to a cave 12, later with two I-shaped steel sheet 9 on have reserved reinforcing bar entrance to a cave 12 one end arrange inside T type groove 8 respectively; a reserved steel bar hole corresponding to the reserved steel bar hole 12 in the I-shaped steel plate 9 is formed in the connecting solid rectangular block 5, and the connecting solid rectangular block 5 is connected with the I-shaped steel plate 9 through a high-strength threaded steel bar 11; the end part of the prefabricated secondary beam 2 is provided with a rectangular connecting rib 7, a T-shaped groove 8 is arranged on the rectangular connecting rib 7, the rectangular connecting rib 7 is inserted into the rectangular hollow groove 4 on the prefabricated main beam 1 and is butted with a connecting entity rectangular block 5 in the rectangular hollow groove 4, the connecting entity rectangular block 5 and the T-shaped groove 8 on the rectangular connecting rib 7 are butted simultaneously to form an I-shaped groove, the cross section size of the I-shaped groove is consistent with that of an I-shaped steel plate 9, so that the I-shaped steel plate 9 and the prefabricated main beam 1 are conveniently connected with the prefabricated secondary beam 2; prefabricated girder 1 in rectangular dead slot 4 in the both sides of connecting prefabricated secondary beam 2 arranged apron groove 6, 6 lower limb of apron groove and 5 upper limbs of solid rectangular block of connection are located same water flat line, 3 cross-sections of apron be the T type, invert and install in rectangular dead slot 4 top, two ribs on the apron 3 are unanimous with 6 cross-sectional dimensions in apron groove to arrange apron 3 with prefabricated girder 1, prefabricated secondary beam 2 junction top. The size of the cover plate groove 6 is matched with two protruding rectangular ribs of the upper web of the cover plate 3, the upper surface of the connecting entity rectangular block 5 in the rectangular hollow groove 4 on the prefabricated main beam 1 is lower than the thickness of one cover plate 3 on the upper surface of the prefabricated main beam 1, and the upper surface of the connecting entity rectangular block 5 and the lower bottom surface of the cover plate groove 6 are located on the same horizontal line. After the prefabricated main beam 1, the prefabricated secondary beam 2 and the I-shaped steel plate 9 are connected, the cover plate 3 is inserted into the cover plate groove 6 in a sliding mode from the side direction. 8 symmetrical reserved bolt holes 14 are formed in the cover plate 3, 8 reserved bolt holes 14 are correspondingly formed in the lower prefabricated secondary beam 2 and the connecting entity rectangular block 5 and the reserved bolt holes 14 in the cover plate 3, and then the prefabricated secondary beam and the connecting entity rectangular block are connected through high-strength bolts 13; prefabricated girder 1, prefabricated secondary beam 2 junction four corners arrange four L shaped steel plates 10, arrange two reservation reinforcing bar entrance to a cave 12 of longitudinal symmetry on the L shaped steel plate 10, high strength deformed bar 11 will control two L shaped steel plates 10 adjacent each other and prefabricated girder 1 or prefabricated secondary beam 2 in the middle of will connecting, make whole node structure all connect for whole, strengthened on the prefabricated girder 1 of overall stability, prefabricated secondary beam 2 with the reservation reinforcing bar entrance to a cave 12 symmetrical arrangement on the L shaped steel plate 10 have run through prefabricated girder 1, two reservation reinforcing bar entrance to a cave 12 of prefabricated secondary beam 2 to insert high strength deformed bar 11 and connect.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a connected node of assembled girder and two side secondary beams which characterized in that: the prefabricated steel plate beam comprises a prefabricated main beam (1), prefabricated secondary beams (2), rectangular hollow grooves (4), connecting solid rectangular blocks (5), rectangular connecting ribs (7), T-shaped grooves (8) and I-shaped steel plates (9), wherein the middle part of the prefabricated main beam (1) is positioned above the rectangular hollow grooves (4), the connecting solid rectangular blocks (5) are arranged in the rectangular hollow grooves (4) in the middle, T-shaped grooves (8) are formed in two sides of each connecting solid rectangular block (5), the cross sections of the T-shaped grooves (8) are half of the I-shaped steel plates (9), rectangular connecting ribs (7) are formed at the end parts of the prefabricated secondary beams (2), the rectangular connecting ribs (7) are matched with one sides of the rectangular hollow grooves (4), the T-shaped grooves (8) are formed in the rectangular connecting ribs (7), the T-shaped grooves (8) in the rectangular connecting ribs (7) and the T-shaped grooves (8) in one sides of the connecting solid rectangular blocks (5) form the I-shaped grooves, the I-shaped groove is matched with an I-shaped steel plate (9), the rectangular connecting rib (7) is connected with one side of a rectangular empty groove (4) on the prefabricated main beam (1) in an inserting mode, the rectangular empty groove and the rectangular empty groove are fixedly connected through the I-shaped steel plate (9), and the two prefabricated secondary beams (2) are connected with the prefabricated main beam (1) in a cross mode.
2. The connection node of an assembled main beam and double-sided secondary beams according to claim 1, characterized in that: reserved steel bar openings (12) are arranged on a web plate at one end of each I-shaped steel plate (9), one end, provided with the reserved steel bar openings (12), of each two I-shaped steel plates (9) is arranged inside each T-shaped groove (8), reserved steel bar openings corresponding to the reserved steel bar openings (12) in the I-shaped steel plates (9) are formed in the connecting entity rectangular blocks (5), and the connecting entity rectangular blocks (5) are connected with the I-shaped steel plates (9) through high-strength threaded steel bars (11).
3. The connection node of an assembled main beam and double-sided secondary beams according to claim 1, characterized in that: the prefabricated secondary beam structure is characterized in that two sides of a rectangular hollow groove (4) in the prefabricated main beam (1) are connected with the prefabricated secondary beam (2) and provided with a cover plate groove (6), the lower edge of the cover plate groove (6) and the upper edge of a connecting entity rectangular block (5) are located on the same horizontal line, the cross section of the cover plate (3) is T-shaped, the cover plate is inversely installed above the rectangular hollow groove (4), two ribs on the cover plate (3) are consistent with the cross section of the cover plate groove (6), the cover plate (3) is inserted into the cover plate groove (6) and is arranged above the joint of the prefabricated main beam (1) and the prefabricated secondary beam (2).
4. The connection node of an assembled main beam and double-sided secondary beams according to claim 3, characterized in that: 8 symmetrical reserved bolt holes (14) are arranged on the cover plate (3), 8 reserved bolt holes (14) are correspondingly arranged on the prefabricated secondary beam (2) and the connecting entity rectangular block (5) below and the reserved bolt holes (14) on the cover plate (3), and then the prefabricated secondary beam and the connecting entity rectangular block are connected through high-strength bolts (13).
5. The connection node of an assembled main beam and double-sided secondary beams according to claim 3, characterized in that: the upper surface of a connecting solid rectangular block (5) in a rectangular empty groove (4) on the prefabricated main beam (1) is lower than the thickness of a cover plate (3) on the upper surface of the prefabricated main beam (1), and the upper surface of the connecting solid rectangular block (5) and the lower bottom surface of a cover plate groove (6) are located on the same horizontal line.
6. The connection node of an assembled main beam and double-sided secondary beams according to claim 1, characterized in that: prefabricated girder (1), prefabricated secondary beam (2) are four L shaped steel board (10) in the junction four corners that the cross is connected, have seted up reserved reinforcing bar entrance to a cave (12) on L shaped steel board (10), correspond on prefabricated girder (1), prefabricated secondary beam (2) with reserved reinforcing bar entrance to a cave (12) on L shaped steel board (10) and are equipped with two reserved reinforcing bar entrances to a cave (12) that run through prefabricated girder (1), prefabricated secondary beam (2), connect through high strength twisted steel (11).
7. The connection node of the assembled main beam and the double-sided secondary beam as claimed in claim 1, wherein the connection node member of the assembled main beam and the double-sided secondary beam is a prefabricated steel-concrete structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892945.7U CN210421448U (en) | 2019-06-14 | 2019-06-14 | Connection node of assembled girder and two side secondary girders |
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| CN201920892945.7U CN210421448U (en) | 2019-06-14 | 2019-06-14 | Connection node of assembled girder and two side secondary girders |
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| CN210421448U true CN210421448U (en) | 2020-04-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779144A (en) * | 2020-07-20 | 2020-10-16 | 中国建筑第八工程局有限公司 | Connecting structure of elevation lowering cross beam and construction method thereof |
| CN113802692A (en) * | 2021-09-30 | 2021-12-17 | 中国十七冶集团有限公司 | Prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and connecting method |
| CN117468624A (en) * | 2023-12-06 | 2024-01-30 | 佳木斯大学 | Assembled steel-bamboo-plastic combined beam slab structure and construction method thereof |
-
2019
- 2019-06-14 CN CN201920892945.7U patent/CN210421448U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111779144A (en) * | 2020-07-20 | 2020-10-16 | 中国建筑第八工程局有限公司 | Connecting structure of elevation lowering cross beam and construction method thereof |
| CN113802692A (en) * | 2021-09-30 | 2021-12-17 | 中国十七冶集团有限公司 | Prefabricated assembly type steel reinforced concrete primary and secondary beam connecting structure and connecting method |
| CN117468624A (en) * | 2023-12-06 | 2024-01-30 | 佳木斯大学 | Assembled steel-bamboo-plastic combined beam slab structure and construction method thereof |
| CN117468624B (en) * | 2023-12-06 | 2024-04-12 | 佳木斯大学 | Assembled steel-bamboo-plastic combined beam slab structure and construction method thereof |
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