Prefabricated assembly type frame connecting structure

Abstract

The utility model discloses a prefabricated assembly type frame connecting structure which comprises a cast-in-place frame column, a main load-bearing steel bar is embedded into the top end of the cast-in-place frame column, a clamping groove is formed in the top end of the cast-in-place frame column, a front prefabricated beam is embedded into the inner side of the clamping groove, a lower U-shaped rib is embedded into the end face of one side of the front prefabricated beam, and a lower U-shaped rib is embedded into the end face of the other side of the front prefabricated beam. Bottom square stirrups are connected to the bottoms of the outer sides of the main load-bearing steel bars in a sleeving mode, fixing ribs are welded to the end faces of the inner sides of the bottom square stirrups, and lower U-shaped ribs and upper U-shaped ribs of the main prefabricated beam and the auxiliary prefabricated beam are clamped to the inner sides of the corresponding bottom square stirrups and the corresponding top square stirrups. And then concrete is uniformly poured, and the stress is dispersed, so that the cast-in-place frame column is uniformly stressed, the joint strength is improved, the anti-seismic capacity is improved, and the anti-seismic effect of a building is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction, in particular to a prefabricated assembled frame connection structure. Background Art

[0002] The components of prefabricated concrete structures are prefabricated in factories and assembled and connected on site through specific node structures. Prefabricated concrete structures are increasingly favored by engineers due to their industrialized production and prefabricated construction. They are widely used and developed rapidly around the world. The beam-column node is an important part of the reinforced concrete frame structure, including the node core area where the beam and column intersect and the beam ends and column ends connected to them.

[0003] However, most of the existing connection structures ensure the node strength by material strength, which leads to poor earthquake resistance. The nodes are prone to collapse during vibration, affecting the overall strength of the building. In order to avoid the above technical problems, it is necessary to provide a prefabricated assembled frame connection structure to overcome the above defects in the prior art. Utility Model Content

[0004] The utility model provides a prefabricated assembled frame connection structure, which can effectively solve the problem that most of the existing connection structures proposed in the above background technology ensure the node strength by material strength, which leads to poor earthquake resistance and easy collapse of the nodes during vibration, affecting the overall strength of the building.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated assembled frame connection structure, comprising a cast-in-place frame column, the top of which is equipped with a fixing assembly;

[0006] The fixing assembly includes main stress-bearing steel bars, a clamping groove, a positive precast beam, a lower U-shaped bar, a bottom square stirrup, a fixing bar, an upper U-shaped bar, a top square stirrup, a transverse reinforcing bar and a secondary precast beam;

[0007] The top of the cast-in-place frame column is embedded with a main stress-bearing steel bar, the top of the cast-in-place frame column is provided with a clamping groove, the inner side of the clamping groove is embedded with a positive precast beam, one side end face of the positive precast beam is embedded with a lower U-shaped bar, the outer bottom position of the main stress-bearing steel bar is sleeved with a bottom square stirrup, and the inner side end face of the bottom square stirrup is welded with a fixed bar;

[0008] An upper U-shaped rib is embedded in one end face of the main precast beam, a top square stirrup is sleeved at the outer top position of the main force-bearing steel bar, a transverse reinforcement rib is embedded in the middle position of one end face of the main precast beam, and an auxiliary precast beam is installed at the top of the cast-in-place frame column and at a symmetrical position with the main precast beam.

[0009] Preferably, a plurality of main stress-bearing steel bars are provided, and the plurality of main stress-bearing steel bars are evenly embedded in the inner side of the cast-in-place frame column.

[0010] Preferably, two lower U-shaped ribs are provided, and the two lower U-shaped ribs are symmetrically embedded in one side end face of the precast beam, and the fixed ribs are symmetrically welded to the inner sides of the bottom square stirrups and the top square stirrups at positions corresponding to the lower U-shaped ribs.

[0011] Preferably, the top square stirrup is sleeved on the outer side of the main force-bearing steel bars at a position corresponding to the upper U-shaped bars, and the transverse reinforcement bars are equidistantly installed on one side end face of the precast beam.

[0012] Preferably, a support assembly is installed on the side end surface of the cast-in-place frame column;

[0013] The support assembly includes a positioning plate, a support slot plate, a connecting screw, a support inclined plate, a movable slot and a drag reduction rod;

[0014] A connecting screw is welded to the outer side of the main force-bearing steel bar, a positioning plate is sleeved on the outer side of the connecting screw, a supporting groove plate is welded to the top end of the positioning plate, a supporting inclined plate is welded to the side end face of the positioning plate, a movable groove is opened on the inner side of the supporting groove plate, and a drag reduction rod is rotatably installed on the inner side of the movable groove.

[0015] Preferably, a plurality of movable grooves are provided, and the plurality of movable grooves are equidistantly provided at inner sides of the supporting groove plate, and a drag reducing rod is rotatably installed on the inner sides of the movable grooves.

[0016] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0017] 1. A fixed component is provided, and the lower U-shaped reinforcement and the upper U-shaped reinforcement of the main precast beam and the auxiliary precast beam are clamped on the inner side of the corresponding bottom square stirrups and the top square stirrups, thereby increasing the stress points of the main precast beam and the auxiliary precast beam. Subsequently, the concrete is poured evenly to disperse the stress, so that the cast-in-place frame column can be evenly stressed, thereby improving the node strength and seismic resistance, and further improving the seismic resistance of the building.

[0018] 2. A support assembly is provided to weld the connecting screw to the main force-bearing steel bar, and then fix it with concrete welding. Then, the positioning plate is put on the outside of the connecting screw and then fixed with a nut. Subsequently, when the operator is installing the precast beam, the friction of the movement of the precast beam can be reduced by rotating the drag reduction rod, thereby further improving the movement efficiency of the precast beam and improving the node installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the attached picture:

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

[0022] Figure 2 It is a structural schematic diagram of the fixing assembly of the utility model;

[0023] Figure 3 It is a schematic diagram of the installation structure of the transverse reinforcing rib of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the support assembly of the utility model;

[0025] Numbers in the figure: 1. Cast-in-place frame columns;

[0026] 2. Fixing components; 201. Main force-bearing steel bars; 202. Clamping grooves; 203. Main precast beam; 204. Lower U-shaped bars; 205. Bottom square stirrups; 206. Fixing bars; 207. Upper U-shaped bars; 208. Top square stirrups; 209. Transverse reinforcing bars; 210. Secondary precast beam;

[0027] 3. Support assembly; 301. Positioning plate; 302. Support slot plate; 303. Connecting screw; 304. Support inclined plate; 305. Movable slot; 306. Drag reduction rod. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0029] Example: Figure 1-4 As shown, the utility model provides a technical solution, a prefabricated assembled frame connection structure, including a cast-in-place frame column 1, and a fixing component 2 is installed on the top of the cast-in-place frame column 1;

[0030] The fixing assembly 2 includes a main stress-bearing steel bar 201, a clamping groove 202, a positive precast beam 203, a lower U-shaped bar 204, a bottom square stirrup 205, a fixing bar 206, an upper U-shaped bar 207, a top square stirrup 208, a transverse reinforcing bar 209 and a secondary precast beam 210;

[0031] The top of the cast-in-place frame column 1 is embedded with a main stress-bearing steel bar 201, and a plurality of main stress-bearing steel bars 201 are arranged. The plurality of main stress-bearing steel bars 201 are evenly embedded at the inner side of the cast-in-place frame column 1, so as to facilitate uniform stress. A clamping groove 202 is provided at the top of the cast-in-place frame column 1, and a positive precast beam 203 is embedded in the inner side of the clamping groove 202. A lower U-shaped rib 204 is embedded in one end face of the positive precast beam 203. Two lower U-shaped ribs 204 are arranged, and the two lower U-shaped ribs 204 are symmetrically embedded in one end face of the positive precast beam 203. The fixing rib 206 is symmetrically welded to the inner side of the bottom square stirrup 205 and the top square stirrup 208 at the corresponding position of the lower U-shaped rib 204, which is conducive to fixing the lower U-shaped rib 204. The bottom position of the outer side of the main stress-bearing steel bar 201 is sleeved with a bottom square stirrup 205, and the inner end face of the bottom square stirrup 205 is welded with a fixing rib 206.

[0032] An upper U-shaped rib 207 is embedded in one end face of the main precast beam 203, a top square stirrup 208 is sleeved at the top position of the outer side of the main force-bearing steel bar 201, a transverse reinforcement rib 209 is embedded in the middle position of one end face of the main precast beam 203, the top square stirrup 208 is sleeved on the outer side of the main force-bearing steel bar 201 at the corresponding position of the upper U-shaped rib 207, and the transverse reinforcement rib 209 is equidistantly installed on one end face of the main precast beam 203, which is beneficial to improve the node strength, and an auxiliary precast beam 210 is installed at the top of the cast-in-place frame column 1 and the symmetrical position of the main precast beam 203.

[0033] The side end surface of the cast-in-place frame column 1 is installed with a support assembly 3;

[0034] The support assembly 3 includes a positioning plate 301, a support slot plate 302, a connecting screw 303, a support inclined plate 304, a movable slot 305 and a drag reduction rod 306;

[0035] A connecting screw 303 is welded to the outer side of the main force-bearing steel bar 201, and a positioning plate 301 is sleeved on the outer side of the connecting screw 303. A supporting slot plate 302 is welded to the top of the positioning plate 301, and a supporting inclined plate 304 is welded to the side end face of the positioning plate 301. A movable slot 305 is provided on the inner side of the support slot plate 302. There are several movable slots 305, which are equidistantly arranged at the inner side of the support slot plate 302. A drag reducing rod 306 is rotatably installed on the inner side of the movable slot 305 to facilitate pushing the precast beam 203. A drag reducing rod 306 is rotatably installed on the inner side of the movable slot 305.

[0036] The working principle and use process of the utility model are as follows: First, when the operator needs to splice the prefabricated beams, he first clamps the bottom square stirrup 205 at the outer bottom position of the main force-bearing steel bar 201, and then uses a welding machine to weld the bottom square stirrup 205. Then, the operator pushes the main prefabricated beam 203 and the auxiliary prefabricated beam 210 to the inner position of the clamping groove 202, thereby fixing the main prefabricated beam 203 and the auxiliary prefabricated beam 210. At this time, the main prefabricated beam can be One side of the lower U-shaped rib 204 of 203 is lifted, so that the lower U-shaped rib 204 can be inserted into the inner side of the two fixed ribs 206, and then the top square stirrup 208 is clamped on the outer side of the main force-bearing steel bar 201, and the fixed rib 206 of the top square stirrup 208 is sleeved on the outer side of the upper U-shaped rib 207. At this time, the transverse reinforcement ribs 209 of the main precast beam 203 and the auxiliary precast beam 210 are aligned and contacted, and then the transverse reinforcement ribs 209 on both sides are welded;

[0037] Then the operator fixes the template on the top of the cast-in-place frame column 1, and then pours concrete. At this time, the lower U-shaped reinforcement 204 and the upper U-shaped reinforcement 207 of the main precast beam 203 and the auxiliary precast beam 210 are clamped on the inner side of the corresponding bottom square stirrup 205 and the top square stirrup 208, thereby increasing the stress points of the main precast beam 203 and the auxiliary precast beam 210, and then the concrete is poured evenly, thereby dispersing the stress, so that the cast-in-place frame column 1 can be evenly stressed, thereby improving the node strength and seismic resistance, and further improving the seismic resistance effect of the building;

[0038] Finally, when connecting the main precast beam 203, the operator can weld the connecting screw 303 to the main force-bearing steel bar 201 according to the required position of the snap-in groove 202, and then fix it with concrete welding. Then, the positioning plate 301 is put on the outside of the connecting screw 303 and then fixed with a nut. Later, when the operator installs the main precast beam 203, he can reduce the moving friction of the main precast beam 203 by rotating the drag reduction rod 306, thereby further improving the moving efficiency of the main precast beam 203 and improving the node installation efficiency.

[0039] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A prefabricated assembled frame connection structure, comprising cast-in-place frame columns (1), characterized in that: A fixing component (2) is installed on the top of the cast-in-place frame column (1); The fixing assembly (2) comprises main force-bearing steel bars (201), a clamping groove (202), a positive precast beam (203), a lower U-shaped bar (204), a bottom square stirrup (205), a fixing bar (206), an upper U-shaped bar (207), a top square stirrup (208), a transverse reinforcing bar (209) and a secondary precast beam (210); The top of the cast-in-place frame column (1) is embedded with a main stress-bearing steel bar (201), the top of the cast-in-place frame column (1) is provided with a clamping groove (202), the inner side of the clamping groove (202) is embedded with a positive precast beam (203), one side end surface of the positive precast beam (203) is embedded with a lower U-shaped rib (204), the outer bottom position of the main stress-bearing steel bar (201) is sleeved with a bottom square stirrup (205), and the inner end surface of the bottom square stirrup (205) is welded with a fixing rib (206); An upper U-shaped rib (207) is embedded in one end face of the main precast beam (203), a top square stirrup (208) is sleeved at the outer top position of the main force-bearing steel bar (201), a transverse reinforcing rib (209) is embedded in the middle position of one end face of the main precast beam (203), and an auxiliary precast beam (210) is installed at the top of the cast-in-place frame column (1) at a symmetrical position with the main precast beam (203).

2. A prefabricated assembled frame connection structure according to claim 1, characterized in that: A plurality of main stress-bearing steel bars (201) are provided, and the plurality of main stress-bearing steel bars (201) are evenly embedded at inner positions of the cast-in-place frame column (1).

3. The prefabricated assembled frame connection structure according to claim 1, characterized in that: Two lower U-shaped bars (204) are provided, and the two lower U-shaped bars (204) are symmetrically embedded in one side end face of the positive prefabricated beam (203), and the fixed bars (206) are symmetrically welded to the inner sides of the bottom square stirrups (205) and the top square stirrups (208) at positions corresponding to the lower U-shaped bars (204).

4. The prefabricated assembled frame connection structure according to claim 1, characterized in that: The top square stirrup (208) is sleeved on the outer side of the main force-bearing steel bar (201) at a position corresponding to the upper U-shaped bar (207), and the transverse reinforcing ribs (209) are installed equidistantly on one side end face of the positive precast beam (203).

5. The prefabricated assembled frame connection structure according to claim 1, characterized in that: A support assembly (3) is installed on the side end surface of the cast-in-place frame column (1); The support assembly (3) comprises a positioning plate (301), a support slot plate (302), a connecting screw (303), a support inclined plate (304), a movable slot (305) and a drag reduction rod (306); A connecting screw (303) is welded to the outer side of the main force-bearing steel bar (201), a positioning plate (301) is sleeved on the outer side of the connecting screw (303), a supporting groove plate (302) is welded to the top end of the positioning plate (301), a supporting inclined plate (304) is welded to the side end face of the positioning plate (301), a movable groove (305) is opened on the inner side of the supporting groove plate (302), and a drag reduction rod (306) is rotatably installed on the inner side of the movable groove (305).

6. A prefabricated assembled frame connection structure according to claim 5, characterized in that: A plurality of movable grooves (305) are provided, and the plurality of movable grooves (305) are equidistantly provided at inner positions of the supporting groove plate (302), and a drag reduction rod (306) is rotatably installed on the inner sides of the movable grooves (305).

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