CN215594365U - Node connecting structure of prefabricated concrete structure - Google Patents

Abstract

The utility model discloses an assembly type concrete structure node connecting structure which comprises a sleeve, a first beam and a second beam, wherein two ends of the sleeve are respectively and fixedly connected with a first connector and a second connector, a plurality of reinforcing grooves are formed in the inner wall of the sleeve in an equidistant mode, connecting rods are fixedly arranged on the top surface and the bottom surface of the sleeve close to two sides, every two connecting rods are in one group, inner spiral rings are fixedly arranged between the two groups of connecting rods, threaded heads are respectively and threadedly sleeved in the two inner spiral rings, reinforcing steel bars are respectively and fixedly arranged at the opposite ends of the two threaded heads, sealing rings are respectively and fixedly sleeved at the ends, far away from the sleeve, of the insides of the first connector and the second connector, and grouting materials are respectively arranged in the first connector, the second connector and the sleeve. The utility model discloses a prefabricated concrete structure node connecting structure which is convenient to install and strong in bearing capacity.

Description

Node connecting structure of prefabricated concrete structure

Technical Field

The utility model relates to the technical field of building construction, in particular to a prefabricated concrete structure node connecting structure.

Background

The grouting sleeve is a combination assembled by specially processed sleeves and matched grouting materials and reinforcing steel bars, rapid-hardening non-shrinkage grouting materials are injected when the reinforcing steel bars are connected, the reinforcing steel bars and the sleeves are connected by means of bonding and meshing between materials, the sleeve grouting joint has the advantages of reliable performance, wide applicability, simplicity and convenience in installation and the like, the grouting sleeve connection technology is suitable for the fields of reinforced concrete structure engineering, steel structure engineering, bridge engineering, offshore oil exploitation platform engineering, offshore wind power generation towers and the like, the grouting sleeve connection technology is a novel steel structure connection mode generated due to the requirements of engineering practice and technical development, the defects of the traditional steel structure connection mode (mainly including welding and bolt connection) are overcome due to the appearance of the connection mode, and rapid development and application are achieved.

For the fabricated structure, the beam and column joint connection structure is a weak link of the whole structure, plays a crucial role in the seismic performance of the whole structure and is a key of the fabricated structure, the existing steel bar connection technology recommended by the fabricated building specification in China is grouting sleeve connection, the grouting sleeve connection can cause the situation of poor performance of joint connection positions due to incompact grouting materials caused by construction technology limitation, meanwhile, the project is in a salt city and belongs to a coastal area, and the problem of connection performance deterioration caused by corrosion exists for the connection nodes of the fabricated structure.

Prior patent (CN209620412U) discloses a semi-grouting sleeve connector, which comprises an outer sleeve, an inner sleeve fixedly connected in the outer sleeve; the outer sleeve and the inner sleeve are both of tubular structures, one ends of the outer sleeve and the inner sleeve are provided with sealing end covers, the centers of the sealing end covers are provided with insertion holes, and an opening at the other end of the inner sleeve is provided with internal threads; one end of the outer sleeve, which is close to the sealing end cover, is provided with a grouting port, the other end, which is close to the fixed connection part of the outer sleeve and the inner sleeve, is provided with a grout discharging port, and the cylinder wall of the inner sleeve is provided with an inlet corresponding to the grouting port and an outlet corresponding to the grout discharging port; the inner walls of the outer sleeve and the inner sleeve are both provided with annular concave-convex parts, a gap is reserved between the annular concave-convex part on the inner wall of the outer sleeve and the outer wall of the inner sleeve, and the wall of the inner sleeve is also provided with a through hole communicated with the gap. However, this device has a problem that, in the process of connecting the first reinforcing bar and the second reinforcing bar, one end of the second reinforcing bar is located inside the outer sleeve and fixed by concrete, which is not different from the existing structure, and one end of the first reinforcing bar is located inside the internal thread, does not contact with the concrete inside the outer sleeve, and only enters a little inside the outer sleeve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a prefabricated concrete structure node connecting structure.

In order to achieve the purpose, the utility model adopts the following technical scheme: assembled concrete structure node connection structure, including sleeve, roof beam and No. two roof beams, telescopic both ends are a fixedly connected with connector and No. two connectors respectively, it has seted up a plurality of reinforcement grooves to be equidistant form on the telescopic inner wall, sleeve top surface and bottom surface lean on both sides department all to fix and are provided with the connecting rod, four two liang of a set of, two sets of equal fixed interior spiro that is provided with between the connecting rod, two the equal thread bush in inside of interior spiro is equipped with the screw thread head, two the equal fixed reinforcing bar that is provided with of one end that the screw thread head is relative, the inside fixed cover of keeping away from telescopic one end of connector and No. two connectors is all equipped with the sealing washer, connector, No. two connectors and telescopic inside all are provided with the grout material.

As a further description of the above technical solution:

the sleeve is located between the first beam and the second beam, and the first beam and the second beam are parallel to each other.

As a further description of the above technical solution:

and a grouting pipe is fixedly arranged at a grouting opening of the second connector.

As a further description of the above technical solution:

a slurry discharging pipe is fixedly arranged at a slurry discharging port of the first connector.

As a further description of the above technical solution:

both of the internal spiral rings are positioned in the sleeve.

As a further description of the above technical solution:

and one ends of the two reinforcing steel bars, which are far away from the thread heads, are respectively and fixedly arranged in the first beam and the second beam.

As a further description of the above technical solution:

the sealing ring is made of rubber materials.

As a further description of the above technical solution:

the grouting material is made of steel fiber concrete material.

The utility model has the following beneficial effects:

according to the prefabricated concrete structure node connecting structure provided by the utility model, when the device is used, the reinforcing steel bars can be connected in a threaded manner through the inner screw ring and simultaneously fixed by matching with grouting material, so that the two reinforcing steel bars are connected more stably, the device has higher durability and corrosion resistance and stronger bearing capacity when in use, and the installation is more convenient.

According to the prefabricated concrete structure node connecting structure provided by the utility model, when the device is used, the internal spiral ring can be fixed through the connecting rod, and meanwhile, a gap is reserved, so that grouting materials can conveniently enter the gap.

According to the prefabricated concrete structure node connecting structure provided by the utility model, when the device is used, the connection between the grouting material and the sleeve can be more stable through the reinforcing groove, so that a gap between the grouting material and the sleeve can be effectively prevented.

According to the prefabricated concrete structure node connecting structure provided by the utility model, when the device is used, the grouting material in the sleeve can be more sealed through the sealing ring and is not easy to leak, so that the device is more convenient to use.

Drawings

Fig. 1 is a schematic axial view of a prefabricated concrete structure node connection structure according to the present invention;

fig. 2 is a schematic front view of a sleeve of the prefabricated concrete structure node connection structure according to the present invention;

fig. 3 is a front cross-sectional view of a sleeve of the prefabricated concrete structure node connection structure according to the present invention;

fig. 4 is a schematic side view of an internal spiral ring positive section of the prefabricated concrete structure node connection structure according to the present invention.

Illustration of the drawings:

1. a sleeve; 2. a first beam; 3. a second beam; 4. a slurry discharge pipe; 5. reinforcing steel bars; 6. a first connector; 7. a second connector; 8. grouting pipes; 9. a seal ring; 10. a reinforcing groove; 11. a connecting rod; 12. an endo-spiro ring; 13. grouting material; 14. and (4) a thread head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: the prefabricated concrete structure node connecting structure comprises a sleeve 1, a first beam 2 and a second beam 3, wherein two ends of the sleeve 1 are fixedly connected with a first connector 6 and a second connector 7 respectively, a plurality of reinforcing grooves 10 are formed in the inner wall of the sleeve 1 in an equidistant manner, and a grouting material 13 is enabled to be more compact with the inner wall of the sleeve 1 through the reinforcing grooves 10;

the top surface and the bottom surface of sleeve 1 lean on both sides department all to be fixed and are provided with connecting rod 11, four connecting rod 11 two liang of a set of, equal fixed interior spiral 12 that is provided with between two sets of connecting rods 11, the equal thread bush in inside of two interior spiral 12 is equipped with screw thread head 14, 12 splice bar 5 of spiral 12 in being convenient for to cooperate through screw thread head 14, two 14 relative one ends of screw thread head are all fixed and are provided with reinforcing bar 5, the equal fixed cover of one end of keeping away from sleeve 1 inside No. 6 connectors and No. two connectors is equipped with sealing washer 9, sealing washer 9 plays sealed effect, No. 6 connectors, No. two connectors 7 and sleeve 1's inside all is provided with grout material 13.

Sleeve 1 is located between No. 2 roof beams and No. 3 roof beams, No. 2 roof beams and No. 3 roof beams are parallel to each other, the fixed grout pipe 8 that is provided with in grout department of No. two connectors 7, grout pipe 8 is used for pouring into grout material 13, the fixed grout pipe 4 that is provided with in grout department of No. 6, grout pipe 4 is used for discharging unnecessary grout material 13, spiro 12 all is located sleeve 1's inside in two, the one end that screw thread head 14 was kept away from to two reinforcing bars 5 is fixed respectively and is set up in the inside of No. 2 roof beams and No. 3 roof beams, sealing washer 9 is made by rubber materials, grout material 13 comprises steel fiber concrete material.

The working principle is as follows: when using, at first make the 14 screw thread cover of the thread head at two reinforcing bar 5 both ends establish including in the spiro 12, then alright pour into grout material 13 in grout pipe 8 into, because the leakproofness of sealing washer 9 this moment, so the grout material 13 that overflows can be discharged by mud pipe 4, can stop pouring into grout material 13 when grout material 13 overflows, so alright wait for grout material 13 to solidify can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. Assembled concrete structure node connection structure, including sleeve (1), No. one roof beam (2) and No. two roof beams (3), its characterized in that: two ends of the sleeve (1) are respectively and fixedly connected with a first connector (6) and a second connector (7), a plurality of reinforcing grooves (10) are arranged on the inner wall of the sleeve (1) at equal intervals, connecting rods (11) are fixedly arranged at the positions, close to two sides, of the top surface and the bottom surface of the sleeve (1), every two of the four connecting rods (11) are in one group, inner spiral rings (12) are fixedly arranged between the two groups of connecting rods (11), thread heads (14) are respectively sleeved in the two inner spiral rings (12) in a threaded manner, reinforcing steel bars (5) are respectively fixedly arranged at the opposite ends of the two thread heads (14), one ends of the first connector (6) and the second connector (7) far away from the sleeve (1) are fixedly sleeved with sealing rings (9), the inside of a connector (6), a second connector (7) and the sleeve (1) is provided with grouting material (13).

2. The fabricated concrete structure node-connecting structure of claim 1, wherein: the sleeve (1) is located between the first beam (2) and the second beam (3), and the first beam (2) and the second beam (3) are parallel to each other.

3. The fabricated concrete structure node-connecting structure of claim 1, wherein: and a grouting pipe (8) is fixedly arranged at a grouting opening of the second connector (7).

4. The fabricated concrete structure node-connecting structure of claim 1, wherein: a slurry discharge pipe (4) is fixedly arranged at the slurry discharge port of the first connector (6).

5. The fabricated concrete structure node-connecting structure of claim 1, wherein: the two internal spiral rings (12) are both positioned in the sleeve (1).

6. The fabricated concrete structure node-connecting structure of claim 1, wherein: two reinforcing bar (5) keep away from the one end of screw thread head (14) and fix the inside that sets up in a roof beam (2) and No. two roof beams (3) respectively.

7. The fabricated concrete structure node-connecting structure of claim 1, wherein: the sealing ring (9) is made of rubber materials.

8. The fabricated concrete structure node-connecting structure of claim 1, wherein: the grouting material (13) is made of a steel fiber concrete material.

Images