CN210194868U - A prefabricated primary and secondary beam connecting node - Google Patents
A prefabricated primary and secondary beam connecting node Download PDFInfo
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- CN210194868U CN210194868U CN201920755185.5U CN201920755185U CN210194868U CN 210194868 U CN210194868 U CN 210194868U CN 201920755185 U CN201920755185 U CN 201920755185U CN 210194868 U CN210194868 U CN 210194868U
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Abstract
本实用新型公开了一种预制主次梁连接节点，包括预制主梁，所述预制主梁的两侧均固定连接有预制次梁，且预制主梁和预制次梁的内部均预埋有固定钢筋，所述预制主梁的两侧均预埋有第一直螺纹套筒，两个所述第一直螺纹套筒的内表面均螺纹连接有直锚钢筋，所述预制主梁的两侧且位于第一直螺纹套筒的正下方均预埋有第二直螺纹套筒，本实用新型涉及建筑施工技术领域。该预制主次梁连接节点，对于预制主次梁交接处不进行断开，而是采用预埋一级直螺纹套筒的方式进行构件生产，保证了预制梁节点位置不需要断开，避免产生构件断裂的情况，对于大跨度预制梁均可采用，也同样适用于小跨度预制梁，对于预制梁的连接节点具有普遍适用性。
The utility model discloses a prefabricated primary and secondary beam connecting node, comprising a prefabricated primary beam, two sides of the prefabricated primary beam are fixedly connected with prefabricated secondary beams, and the interiors of the prefabricated primary beam and the prefabricated secondary beams are embedded with fixed prefabricated secondary beams. Reinforcing bars, both sides of the prefabricated main beam are pre-embedded with first straight thread sleeves, and the inner surfaces of the two first straight thread sleeves are threadedly connected with straight anchor steel bars, and both sides of the prefabricated main beam are A second straight threaded sleeve is pre-embedded directly below the first straight threaded sleeve, and the utility model relates to the technical field of building construction. The prefabricated primary and secondary beam connection nodes are not disconnected at the junction of the prefabricated primary and secondary beams, but are produced by pre-embedding a first-level straight thread sleeve, which ensures that the prefabricated beam nodes do not need to be disconnected and avoids the occurrence of In the case of component fracture, it can be used for long-span prefabricated beams, and it is also applicable to small-span prefabricated beams. It has universal applicability to the connection nodes of prefabricated beams.
Description
Technical Field
The utility model relates to a construction technical field specifically is a prefabricated primary and secondary roof beam connected node.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite. The construction is a production movement performed by people to construct various building products in a certain space and time according to a specific design blueprint by using various building materials and mechanical equipment. The method comprises the whole production process from construction preparation, earth breaking and engineering completion acceptance. The building construction is a production process with complex technology, and building construction workers need to exert clever and talent intelligence to creatively apply theories such as materials, mechanics, structures, processes and the like to solve the technical problems which continuously appear in the construction, thereby ensuring the engineering quality and the construction safety. The construction process is carried out by multiple workers in limited time and space. The supply of hundreds of materials and the operation of various mechanical equipment, so that scientific and advanced organization and management measures and advanced construction processes are necessary to fully complete the production process, and the process is a process with higher economy.
The existing connection method of the prefabricated main beam and the prefabricated secondary beam has the advantages that one part is disconnected by adopting the connecting nodes, the binding reinforcing steel bars at the site node positions are subjected to post-pouring, the connection method can only be used for the conditions of small weight and small span of components, the prefabricated beam with large span and large weight is extremely easy to break at the node positions due to limited rigidity of channel steel during transportation, the overhanging connecting reinforcing steel bars at the node positions of the main beam and the secondary beam are integrally prefabricated at one time by one part, and the product produced in the way can occupy larger transverse space and is not beneficial to component transportation.
Disclosure of Invention
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a prefabricated primary and secondary beam connected node has solved the connection method of current prefabricated girder and prefabricated secondary beam, and to the prefabricated beam that the span is big, weight is big when adopting the reinforcement channel-section steel to consolidate the transportation when the transportation, because channel-section steel rigidity is limited, the node position is very easily cracked, if adopt the whole prefabricated scheme of the overhanging reinforcing bar of girder node can occupy great horizontal space, is unfavorable for the problem of component transportation.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a prefabricated primary and secondary beam connected node, includes prefabricated girder, the equal fixedly connected with prefabricated secondary beam in both sides of prefabricated girder, and the inside of prefabricated girder and prefabricated secondary beam is all pre-buried to have a fixed reinforcement, the both sides of prefabricated girder are all pre-buried to have a first straight thread sleeve, two the equal threaded connection of internal surface of first straight thread sleeve has straight anchor reinforcing bar, two the inside of prefabricated secondary beam is all pre-buried to have U type overlap joint, the keyway has all been seted up to the both sides of prefabricated girder.
Preferably, the number of the first straight thread sleeves is provided with a plurality of, and the first straight thread sleeves are uniformly distributed on two sides of the prefabricated main beam.
(III) advantageous effects
The utility model provides a prefabricated primary and secondary roof beam connected node. Compared with the prior art, the method has the following beneficial effects: this prefabricated primary and secondary beam connected node, through the equal fixedly connected with prefabricated secondary beam in the both sides of prefabricated girder, and the inside of prefabricated girder and prefabricated secondary beam is all pre-buried to have a fixed reinforcement, and the both sides of prefabricated girder are all pre-buried to have a first straight thread sleeve, and the equal threaded connection of the internal surface of two first straight thread sleeves has straight anchor reinforcing bar, and the inside of two prefabricated secondary beams is all pre-buried to have U type overlap joint, and the keyway has all been seted up to the both sides of prefabricated girder, step one, pouring of prefabricated girder: when the prefabricated main beam is poured, embedding first straight thread sleeves at two sides of the prefabricated main beam, then pouring and molding concrete for fixed reinforcing steel bars in the prefabricated main beam, and waiting for the concrete to solidify; step two, mounting of the prefabricated main beam: after the prefabricated main beam in the first step is hoisted, when the prefabricated main beam is installed, a straight anchor steel bar with one end provided with tapping threads is screwed into the first straight thread sleeve to complete node steel bar connection; step three, mounting the prefabricated secondary beam: binding and fixing the reinforcing steel bars of the prefabricated secondary beam according to a drawing, pre-burying a U-shaped lap joint, then pouring and molding concrete, and enabling the concrete to enter key grooves on two sides of the prefabricated main beam; step four, pouring the prefabricated secondary beam: after the concrete in the third step solidifies, pour a layer of concrete at the top of prefabricated girder and prefabricated girder for the concrete covers the fixed reinforcement at prefabricated girder and prefabricated girder top, wait for at last to solidify can, the utility model provides a new connected node does not break off to prefabricated primary and secondary roof beam handing-over department, but adopts pre-buried one-level straight thread sleeve's mode to carry out the component production, has guaranteed that prefabricated beam node position does not need the disconnection, avoids producing the cracked condition of component, all can adopt to large-span prefabricated roof beam, also is applicable to the small-span prefabricated roof beam equally, has universal applicability to the connected node of prefabricated roof beam.
Drawings
FIG. 1 is a front view of the internal structure of the present invention;
fig. 2 is a top view of the internal structure of the present invention.
In the figure, 1-prefabricated main beam, 2-prefabricated secondary beam, 3-fixed steel bar, 4-first straight thread sleeve, 5-straight anchor steel bar, 6-U-shaped lap joint and 7-keyway.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an embodiment of the present invention provides a technical solution: a prefabricated main and secondary beam connecting node comprises a prefabricated main beam 1, two sides of the prefabricated main beam 1 are fixedly connected with prefabricated secondary beams 2, fixed steel bars 3 are embedded in the prefabricated main beam 1 and the prefabricated secondary beams 2, two sides of the prefabricated main beam 1 are embedded with first straight thread sleeves 4, the number of the first straight thread sleeves 4 is multiple, the first straight thread sleeves 4 are uniformly distributed on two sides of the prefabricated main beam 1, the inner surfaces of the two first straight thread sleeves 4 are connected with straight anchor steel bars 5 in a threaded manner, two sides of the prefabricated main beam 1 and the position under the first straight thread sleeves 4 are embedded with second straight thread sleeves, the number of the second straight thread sleeves is multiple, the second straight thread sleeves are uniformly distributed on two sides of the prefabricated main beam 1, the inner surfaces of the two second straight thread sleeves are connected with bent anchor steel bars in a threaded manner, U-shaped lap joints 6 are arranged in the two prefabricated secondary beams 2, the key grooves 7 are formed in the two sides of the prefabricated main beam 1.
The connecting method of the prefabricated primary and secondary beam connecting node specifically comprises the following steps:
step one, pouring of a prefabricated girder: when the precast main beam 1 is poured, embedding a first straight thread sleeve 4 and a second straight thread sleeve at two sides of the precast main beam 1, then performing concrete pouring molding on a fixed reinforcing steel bar 3 in the precast main beam 1, and waiting for concrete solidification, wherein in the step one, the quantity of the first straight thread sleeve 4 and the second straight thread sleeve embedded at two sides of the precast main beam 1 is obtained by checking calculation according to design requirements;
step two, mounting of the prefabricated main beam: after the prefabricated main beam 1 in the first step is hoisted, when the prefabricated main beam is installed, a straight anchor steel bar 5 with one end provided with tapping threads is screwed into a first straight thread sleeve 4 to complete node steel bar connection, and then a bent anchor steel bar with one end provided with tapping threads is screwed into a second straight thread sleeve to complete node steel bar connection, so that one end of the bent anchor steel bar is vertically upward;
step three, mounting the prefabricated secondary beam: binding and fixing the reinforcing steel bars of the prefabricated secondary beam 2 according to a drawing, pre-embedding a U-shaped lap joint 6, then pouring and molding concrete, and enabling the concrete to enter key grooves 7 on two sides of the prefabricated main beam 1, wherein the prefabricated main beam 1 and the prefabricated secondary beam 2 form a partially integrated concrete shear key through the key grooves 7 in the third step, and the number of the key grooves 7 in the third step is calculated according to engineering requirements;
step four, pouring the prefabricated secondary beam: and after the concrete in the third step is solidified, pouring a layer of concrete on the top of the prefabricated main beam 1 and the top of the prefabricated main beam 1, covering the concrete on the prefabricated main beam 1 and the fixed reinforcing steel bars 3 on the top of the prefabricated main beam 1, and finally waiting for solidification.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920755185.5U CN210194868U (en) | 2019-05-24 | 2019-05-24 | A prefabricated primary and secondary beam connecting node |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920755185.5U CN210194868U (en) | 2019-05-24 | 2019-05-24 | A prefabricated primary and secondary beam connecting node |
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| CN210194868U true CN210194868U (en) | 2020-03-27 |
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| CN201920755185.5U Expired - Fee Related CN210194868U (en) | 2019-05-24 | 2019-05-24 | A prefabricated primary and secondary beam connecting node |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130487A (en) * | 2019-05-24 | 2019-08-16 | 广东中建新型建筑构件有限公司 | A kind of prefabricated primary and secondary beam connecting node and connection method |
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2019
- 2019-05-24 CN CN201920755185.5U patent/CN210194868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130487A (en) * | 2019-05-24 | 2019-08-16 | 广东中建新型建筑构件有限公司 | A kind of prefabricated primary and secondary beam connecting node and connection method |
| CN110130487B (en) * | 2019-05-24 | 2024-01-16 | 广东中建新型建筑构件有限公司 | Prefabricated main and secondary beam connecting node and connecting method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 |