CN210658676U - Assembled building primary and secondary roof beam steel connected node structure - Google Patents
Assembled building primary and secondary roof beam steel connected node structure Download PDFInfo
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- CN210658676U CN210658676U CN201921083279.9U CN201921083279U CN210658676U CN 210658676 U CN210658676 U CN 210658676U CN 201921083279 U CN201921083279 U CN 201921083279U CN 210658676 U CN210658676 U CN 210658676U
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Abstract
The utility model provides a do not have support, do not have wet operation, intensity is high, rigidity is high, firm, the installation is simple swift, labour saving and time saving's assembled building primary and secondary roof beam steel connected node structure. The utility model adopts the technical proposal that: the utility model provides an assembly type structure primary and secondary beam steel connected node structure, including the pre-buried bracket of the lateral part of locating prefabricated girder and the pre-buried tenon plate of the tip side of locating prefabricated secondary beam, pre-buried bracket include pterygoid lamina frame and two with pterygoid lamina frame looks vertically link plate, two through setting up bottom plate body coupling between the bottom of link plate, pterygoid lamina frame pre-buried in the prefabricated girder, be provided with a plurality of bolts on the pre-buried tenon plate perpendicularly, all wear out at the both ends of bolt prefabricated secondary beam, be provided with on the link plate with the corresponding and adaptation bayonet socket of tip of bolt. The utility model relates to a technical field of construction.
Description
Technical Field
The utility model relates to a technical field of construction, concretely relates to assembled building primary and secondary roof beam steel connected node structure.
Background
The main and secondary beam connecting nodes are important components of the fabricated building structure, and the stability and reliability of the connecting nodes are the key points of structural design and construction. At present, the main beam and the secondary beam of the fabricated building are connected by combining the connection of a steel bar sleeve and the bolting of an embedded steel plate. For example, chinese patent CN 108999297 a discloses a novel assembly type primary and secondary beam connection node and a connection method thereof, the disclosed connection method mainly includes that two beam grooves are arranged on two sides of the top of a primary beam lap joint secondary beam, an installation groove is arranged on the top surface of a secondary beam (lap joint end with the primary beam), the height and width of the two beam grooves of the primary beam are consistent with those of the secondary beam, the secondary beam is inserted into the beam grooves, the primary and secondary beams are pre-fixed by bolts, and then reinforced and fixed by cast-in-place concrete. However, at present, the connection node of the primary and secondary beams mostly adopts post-pouring sections and laying construction modes, on one hand, a large number of supports and templates need to be erected, and when the space is small, the erection of the supports and the installation of the templates are limited; on the other hand, when the post-pouring construction mode is adopted, the local weak position of the member is caused, the quality problems of breakage and cracks exist, and the convenience of assembly type construction is weakened. When the laying construction mode is adopted, the local section of the component is weakened greatly, and the shearing resistance of the end part is influenced. In addition, patent No. CN2015206587423 discloses a connection node of primary and secondary beams, which is mainly characterized in that an L-shaped bottom plate is designed to connect the primary beam and the secondary beam and is locked by bolts, but the structure is mainly applied to steel structural beams instead of concrete beams; in addition, a patent with a patent number CN2017204900573 discloses an assembled primary and secondary beam connecting node structure, which has the main technical scheme that: the prefabricated bracket is arranged on the side part of the beam body of the prefabricated main beam, and the assembly groove is arranged at the end part of the prefabricated secondary beam, the prefabricated bracket comprises a web plate, a bracket assembly hole is formed in the web plate, a secondary beam assembly hole is formed in the prefabricated secondary beam, and the bracket assembly hole and the secondary beam assembly hole are arranged in an aligned mode and are connected through a connecting piece (bolt); the primary and secondary beam connecting node structure of the technical scheme is provided with a laid pre-buried T-shaped steel plate, and is connected by bolting and anchoring, so that the mode node has low shearing resistance; the aperture of the concrete bolt hole needs to be larger, otherwise, the large aperture of the concrete bolt hole indicates that the error deviation of installation is large; the secondary beam is supported by the web plate, and after the secondary beam is placed, the alignment error between the secondary beam assembly hole and the bracket assembly hole is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art not enough, provide a do not have support, do not have wet operation, intensity is high, rigidity is high, firm, the installation is simple swift, labour saving and time saving's assembled building primary and secondary roof beam steel connected node structure.
The utility model adopts the technical proposal that:
the utility model provides an assembly type structure primary and secondary beam steel connected node structure, including the pre-buried bracket of the lateral part of locating prefabricated girder and the pre-buried tenon plate of the tip side of locating prefabricated secondary beam, pre-buried bracket include pterygoid lamina frame and two with pterygoid lamina frame looks vertically link plate, two through setting up bottom plate body coupling between the bottom of link plate, pterygoid lamina frame pre-buried in the prefabricated girder, be provided with a plurality of bolts on the pre-buried tenon plate perpendicularly, all wear out at the both ends of bolt prefabricated secondary beam, be provided with on the link plate with the corresponding and adaptation bayonet socket of tip of bolt.
In the above scheme, the embedded parts are respectively designed on the primary beam and the secondary beam, the bolts on the prefabricated secondary beam can be erected on the bayonets of the embedded brackets of the prefabricated main beam to form a stable connection structure, the installation is simple and rapid, time and labor are saved, and then the prefabricated main beam and the prefabricated secondary beam are stably connected. The wing plate frame is embedded in the prefabricated main beam, and the embedded tenon plate is arranged on the prefabricated secondary beam, so that the high strength and high rigidity of the connecting structure are ensured; the bottom plate can bear the weight of the prefabricated secondary beam to a certain extent; two link plates are connected to the design bottom plate for whole pre-buried bracket's intensity, rigidity are more heightened, and this assembled building primary and secondary beam steel connected node structure still has the effect of no support, no wet operation simultaneously.
Furthermore, the end of the bolt is provided with a nut, and the outer diameter of the nut is larger than the width of the bayonet. A flat spacer is arranged between the screw cap and the hanging plate.
In the scheme, the bolts can be locked by using the nuts to ensure that the prefabricated main beam and the prefabricated secondary beam are connected more stably.
Furthermore, the side of the end part of the prefabricated secondary beam is provided with a necking groove, the embedded tenon plate is arranged on the side of the necking groove, the outer side surface of the embedded tenon plate is parallel and level with the outer side surface of the necking groove, and the end part of the prefabricated secondary beam is inserted into two parts between the hanging plates.
In the above scheme, the prefabricated secondary beam is inserted between the hanging plates, the alignment is accurate, and the bottom plate can play a certain role in bearing the weight of the prefabricated secondary beam.
Furthermore, the hanging plate is provided with two bayonets, and the height position of the bayonets located close to the outer side is lower than the height position of the bayonets located close to the inner side. Each bayonet corresponds to two bolts, and the two bolts are arranged in an aligned mode in the height direction.
In the scheme, a plurality of bayonets are designed and are not level, and the bolt can be guaranteed to be matched with the bayonets stably all the time.
Furthermore, there are two pre-buried dowels in the precast secondary beam, and the bolt runs through two pre-buried dowels.
In the above scheme, two pre-buried dowels of design can play the effect for the balanced prefabricated secondary beam weight of bolt, and the bolt is connected with pre-buried dowels, guarantees bulk strength.
The utility model has the advantages that: firstly, the connecting joint has high strength, can completely bear the self weight and the upper load of the prefabricated secondary beam, is free from support, saves the cost and reduces the workload; the positioning error is small, the constraint force is large, the rigidity is large, the displacement is small, the installation is accurate, and the installation quality is improved; secondly, the structure is simple, the operation is simple, one end of the device is operated by one person, the labor intensity is reduced, and the working efficiency is improved; and thirdly, the bolt connection on the embedded bracket and the embedded tenon plate is adopted, so that a post-pouring section is not required to be reserved, and the non-wet operation and the like can be realized.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the prefabricated main beam and the prefabricated secondary beam after being half-cut;
fig. 3 is a schematic diagram of the matching of the embedded bracket and the bolt.
In the figure: 1-prefabricating a main beam, 2-pre-embedded brackets, 3-prefabricating secondary beams, 4-pre-embedded mortises, 5-winged plate frames, 6-hanging plates, 7-bolts, 8-bayonets, 9-nuts, 10-flat spacer, 11-necking grooves and 12-bottom plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1 to 3, an embodiment of an assembly type structure primary and secondary beam steel connection node structure is shown, and the structure comprises an embedded bracket 2 arranged on the side of a prefabricated main beam 1 and an embedded tenon plate 4 arranged on the side of the end of the prefabricated secondary beam 3, wherein the embedded bracket 2 comprises a wing plate frame 5 and two hanging plates 6 perpendicular to the wing plate frame 5, the bottoms of the two hanging plates 6 are integrally connected through a bottom plate 12, the wing plate frame 5 is embedded in the prefabricated main beam 1, a plurality of bolts 7 are vertically arranged on the embedded tenon plate 4, two ends of each bolt 7 penetrate through the prefabricated secondary beam 3, and the hanging plates 6 are provided with bayonets 8 corresponding to the ends of the bolts 7 and adapted to the ends of the bolts. The embedded parts are respectively designed on the primary and secondary beams, the bolts 7 on the prefabricated secondary beam 3 can be erected on the bayonets 8 of the embedded brackets 2 of the prefabricated main beam 1 to form a stable connection structure, the installation is simple and rapid, time and labor are saved, and then the prefabricated main beam 1 and the prefabricated secondary beam 3 are stably connected. The flange plate frame 5 is embedded in the prefabricated main beam 1, and the embedded tenon plate 4 is arranged on the prefabricated secondary beam 3, so that the high strength and the high rigidity of the connecting structure are ensured; two link plates 6 are connected to design bottom plate 12 for whole pre-buried bracket 2's intensity, rigidity are more heightened, and this assembled building primary and secondary beam steel connected node structure still has the effect of no support, no wet operation simultaneously.
The end of the bolt 7 is provided with a nut 9, and the outer diameter of the nut 9 is larger than the width of the bayonet 8. A flat spacer 10 is arranged between the screw cap 9 and the hanging plate 6. The bolts 7 can be locked by using the nuts 9 so that the connection between the prefabricated main beam 1 and the prefabricated secondary beam 3 is more stable.
The side of the end of the prefabricated secondary beam 3 is provided with a necking groove 11, the embedded tenon plate 4 is arranged on the side of the necking groove 11, the outer side surface of the embedded tenon plate is flush with the outer side surface of the necking groove, and the end of the prefabricated secondary beam 3 is inserted between the two hanging plates 6. The prefabricated secondary beam 3 is inserted between the hanging plates 6, the alignment is accurate, and the bottom plate 12 can play a certain role in bearing the weight of the prefabricated secondary beam 3.
Two bayonets 8 are arranged on the hanging plate 6, and the height position of the bayonets 8 which are positioned close to the outer side is lower than the height position of the bayonets 8 which are positioned close to the inner side. Each bayonet 8 corresponds to two bolts 7, and the two bolts 7 are aligned in the height direction. A plurality of bayonets 8 and not parallel and level are designed, and bolt 7 can be guaranteed to cooperate all the time stably on bayonet 8.
There are two pre-buried dowels 4 in the prefabricated secondary beam 3, and bolt 7 runs through two pre-buried dowels 4. Two pre-buried dowels 4 of design can play the effect of 3 weights of the balanced prefabricated secondary beam of bolt 7, and bolt 7 is connected with pre-buried dowels 4, guarantees bulk strength.
The utility model has the advantages that: firstly, the connecting joint has high strength, can completely bear the dead weight and the upper load of the prefabricated secondary beam 3, is free from support, saves the cost and reduces the workload; the positioning error is small, the constraint force is large, the rigidity is large, the displacement is small, the installation is accurate, and the installation quality is improved; secondly, the structure is simple, the operation is simple, one end of the device is operated by one person, the labor intensity is reduced, and the working efficiency is improved; thirdly, the bolt connection on the embedded bracket 2 and the embedded tenon plate 4 is adopted without reserving a post-pouring section, so that the non-wet operation and the like can be realized.
The utility model discloses a workflow description: the embedded bracket 2 is embedded in the prefabricated main beam 1, a bayonet 8 is arranged on the hanging plate 6, the embedded tenon plate 4 is embedded in the end part of the prefabricated secondary beam 3, a bolt 7 is embedded in the embedded tenon plate 4, the main beam is installed and adjusted completely, the plane position size and the elevation of the embedded bracket 2 meet the design requirements, the embedded tenon plate 4 is inserted into the embedded bracket 2, meanwhile, the bolt 7 is inserted into the bayonet 8, when the bolt 7 is inserted into the bayonet 8 completely, the bottom of the prefabricated secondary beam 3 is placed on the plane of the bottom plate 12 completely, and the bolt 7 and the embedded bracket 2 are locked by using the flat cushion meson 10 and the nut 9 so as to connect the primary beam and the secondary beam into a whole.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (7)
1. The utility model provides an assembled building primary and secondary roof beam steel connected node structure which characterized in that: it is including locating the pre-buried bracket of the lateral part of prefabricated girder and locating the pre-buried tenon plate of the tip side of prefabricated secondary beam, pre-buried bracket include the pterygoid lamina frame and two with pterygoid lamina frame looks vertically link plate, two through setting up bottom plate body coupling between the bottom of link plate, pterygoid lamina frame pre-buried in the prefabricated girder, be provided with a plurality of bolts on the pre-buried tenon plate perpendicularly, all wear out at the both ends of bolt prefabricated secondary beam, be provided with on the link plate with the corresponding and adaptation bayonet socket of tip of bolt.
2. The fabricated building primary and secondary beam steel connection node structure according to claim 1, wherein: the end of the bolt is provided with a nut, and the outer diameter of the nut is larger than the width of the bayonet.
3. The fabricated building primary and secondary beam steel connection node structure according to claim 2, wherein: a flat spacer is arranged between the screw cap and the hanging plate.
4. The fabricated building primary and secondary beam steel connection node structure according to claim 1, wherein: the side of the end part of the prefabricated secondary beam is provided with a necking groove, the embedded tenon plate is arranged on the side of the necking groove, the outer side surface of the embedded tenon plate is parallel and level with the outer side surface of the necking groove, and the end part of the prefabricated secondary beam is inserted into two parts between the hanging plates.
5. The fabricated building primary and secondary beam steel connection node structure according to claim 1, wherein: the hanging plate is provided with two bayonets, and the height position of the bayonets located close to the outer side is lower than the height position of the bayonets located close to the inner side.
6. The fabricated building primary and secondary beam steel connection node structure according to claim 5, wherein: each bayonet corresponds to two bolts, and the two bolts are arranged in an aligned mode in the height direction.
7. The fabricated building primary and secondary beam steel connection node structure according to claim 1, wherein: the number of the embedded tenon plates in the prefabricated secondary beam is two, and the bolts penetrate through the two embedded tenon plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083279.9U CN210658676U (en) | 2019-07-11 | 2019-07-11 | Assembled building primary and secondary roof beam steel connected node structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921083279.9U CN210658676U (en) | 2019-07-11 | 2019-07-11 | Assembled building primary and secondary roof beam steel connected node structure |
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| CN210658676U true CN210658676U (en) | 2020-06-02 |
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| CN201921083279.9U Active CN210658676U (en) | 2019-07-11 | 2019-07-11 | Assembled building primary and secondary roof beam steel connected node structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468963A (en) * | 2019-07-11 | 2019-11-19 | 广东筠诚建筑科技有限公司 | A kind of assembled architecture primary and secondary joist steel connecting joint structure |
| CN113175104A (en) * | 2021-05-11 | 2021-07-27 | 中建二局第一建筑工程有限公司 | Bracket assembly and primary and secondary beam connecting joint for steel structure |
-
2019
- 2019-07-11 CN CN201921083279.9U patent/CN210658676U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468963A (en) * | 2019-07-11 | 2019-11-19 | 广东筠诚建筑科技有限公司 | A kind of assembled architecture primary and secondary joist steel connecting joint structure |
| CN113175104A (en) * | 2021-05-11 | 2021-07-27 | 中建二局第一建筑工程有限公司 | Bracket assembly and primary and secondary beam connecting joint for steel structure |
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