CN215630645U

CN215630645U - Prefabricated beam column connection structure

Info

Publication number: CN215630645U
Application number: CN202121958917.4U
Authority: CN
Inventors: 张君玲
Original assignee: Fujian Hengsheng Construction Group Co ltd
Current assignee: Fujian Hengsheng Construction Group Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-25
Anticipated expiration: 2031-08-20

Abstract

The application relates to a precast beam column connecting structure which comprises a precast column, two precast beams and a connecting piece, wherein the two precast beams are respectively fixed on two sides of the precast column; the two first fixing parts are abutted against each other, and a steel strand for auxiliary fixing is connected between the two first fixing parts. The utility model provides a precast beam column connection structure can improve the structural strength between precast column and two precast beams and connect the steadiness, and the setting of steel strand wires can also absorb the energy that the earthquake disaster produced when the earthquake disaster takes place in addition, reduces the damage of earthquake disaster to the whole building.

Description

Prefabricated beam column connection structure

Technical Field

The application relates to the field of assembly type buildings, in particular to a prefabricated beam column connecting structure.

Background

The precast beam column is a general name of a precast beam and a precast column; the precast beam column is a precast member processed and manufactured in a factory, is used for being quickly fixed and assembled on a construction site to form a building support, and has the effects of shortening the construction period and accelerating the construction efficiency.

At present, the existing precast beam and the existing precast column are usually fixedly connected through bolts, so that the structural strength of the joint of the precast beam and the precast column is lower, when the earthquake disaster condition occurs, the joint of the precast beam and the precast column is likely to be damaged, the overall stability of a building is reduced, and the hidden danger of installation exists.

SUMMERY OF THE UTILITY MODEL

In order to improve the structural strength of precast beam and precast column junction, this application provides a precast beam column connection structure.

The application provides a precast beam column connection structure adopts following technical scheme:

a precast beam column connecting structure comprises a precast column, two precast beams and a connecting piece, wherein the two precast beams are respectively fixed on two sides of the precast column, the connecting piece is used for connecting the precast beams and the precast column, the connecting piece comprises a first fixing part and a second fixing part which are connected with each other, the first fixing part is fixed on the precast column, and the second fixing part is fixed on the precast beams; the two first fixing parts are mutually abutted, and a steel strand for auxiliary fixing is connected between the two first fixing parts.

By adopting the technical scheme, the two precast beams are respectively and fixedly connected to the precast column through the connecting piece so as to realize the quick installation of the precast beams and the precast column; after the two connecting pieces are fixed on the prefabricated column through the first fixing parts respectively, the two first fixing parts are abutted against each other, and a steel strand is arranged between the two first fixing parts, so that the connecting strength between the two connecting pieces can be improved, and the structural strength and the connecting stability between the prefabricated column and the two prefabricated beams are further improved; when earthquake disaster occurs and one of the connecting pieces is loosened, the other connecting piece can assist in fixing the loosened connecting piece, and the influence of the looseness of the connecting piece on the overall stability of the building is greatly reduced.

In addition, the two first fixing parts are fixedly connected through the steel strand, and the steel strand is formed by twisting a plurality of steel wires, so that the steel strand has certain elastic capacity, can absorb energy generated by a seismic disaster when the seismic disaster occurs, and reduces the damage of the seismic disaster to the whole building.

Optionally, each first fixing portion is provided with an extending portion extending outwards, the extending portion is provided with a plurality of wire routing holes, and the steel strands sequentially cross through the wire routing holes of the two extending portions.

Through adopting foretell technical scheme, the wire hole is worn to locate two extensions alternately in proper order to the steel strand wires, can further improve the structural strength and the connection steadiness that two connecting pieces were connected to the steel strand wires, reduces the not hard up possibility of appearing between two connecting pieces.

Optionally, one side of the extension part facing the adjacent extension part is provided with a plurality of insertion blocks and a plurality of insertion grooves; the insertion blocks and the slots are arranged in a staggered mode, and each insertion block or each slot is located between two adjacent wiring holes; when the two first fixing parts are abutted against each other, the inserting block of one extending part is inserted into the inserting groove of the other extending part in a matching manner; each insert block all is equipped with the through wires hole that supplies the steel strand wires to pass.

Through adopting foretell technical scheme, two extensions lean on the back each other, and the inserted block homoenergetic of each extension all can be corresponding to peg graft in the slot of another extension, can make things convenient for the location between two extensions, is favorable to reducing the relative movement's between two extensions the condition moreover. In addition, when the steel strand is used for connecting the two extending parts, the steel strand firstly passes through the wiring holes which are opposite to the two extending parts, and then passes through the wiring holes of the inserting blocks; the operation is repeated to enable the steel strand to cross pass through all the wire passing holes and the wire passing holes, so that the structural strength and the connection stability between the two connecting pieces can be greatly improved, and the possibility of looseness between the two connecting pieces is reduced.

Optionally, one side of the first fixing portion, which is far away from the second fixing portion, is provided with a positioning block, and the prefabricated column is provided with a positioning groove matched with the positioning block.

Through adopting foretell technical scheme, first constant head tank portion passes through the locating piece grafting to be fixed in the constant head tank of prefabricated post, can conveniently install the connecting piece on prefabricated post, realizes the quick location of connecting piece and prefabricated post.

Optionally, the second fixing portion is a rectangular frame body vertically fixed to the first fixing portion, a limit groove matched with the precast beam is formed in one side, away from the first fixing portion, of the second fixing portion, and the precast beam is connected in an inserting mode and fixed in the limit groove.

By adopting the technical scheme, the precast beam is arranged on the connecting piece in an inserting mode, and the precast beam can be quickly positioned and installed.

Optionally, a supporting mechanism for assisting in supporting the precast beam is arranged below the second fixing portion, and the supporting mechanism includes a mounting seat fixed to the first fixing portion and a supporting roller erected on the mounting seat; when the precast beam is spliced and fixed on the limiting groove, the supporting roller is abutted against the precast beam.

By adopting the technical scheme, the supporting mechanism is arranged below the second fixing part, and when the earthquake disaster occurs and the precast beam and the second fixing part are loosened, the supporting rollers can assist in supporting the precast beam, so that the possibility of deflection of the precast beam is reduced, and the structural stability of the whole building is improved.

Optionally, a strip-shaped groove for moving the supporting roller is formed in the outer side of the mounting seat; the supporting assembly further comprises a damping spring arranged between the supporting roller and the mounting seat, and the supporting roller is normally abutted against the precast beam by the damping spring.

By adopting the technical scheme, when the precast beam is inserted into the limit groove, the supporting roll can push the damping spring to move downwards by extruding the supporting roll, so that the precast beam is conveniently inserted into the limit groove; after the precast beam is installed, the supporting roller is tightly abutted to the precast beam under the action of the damping spring, so that the supporting force for the precast beam can be improved, and when an earthquake disaster occurs, the damping spring can elastically deform and absorb the energy of the earthquake disaster, and the damage of the earthquake disaster to the whole building is reduced.

Optionally, an elastic cushion layer is arranged on the side wall of the limiting groove close to one side of the supporting mechanism.

By adopting the technical scheme, the elastic cushion layer also has the effect of absorbing the energy of the earthquake disaster, and is favorable for reducing the damage to the whole building when the earthquake disaster occurs.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two first fixing parts are abutted against each other, and the steel strand is arranged between the two first fixing parts, so that the connecting strength between the two connecting pieces can be improved, and further, the structural strength and the connecting stability between the prefabricated column and the two prefabricated beams are improved;

2. the two first fixing parts are connected through the steel strands, and the steel strands have certain elastic capacity, so that energy generated by a seismic disaster can be absorbed when the seismic disaster occurs, and the damage of the seismic disaster to the whole building is reduced;

3. through setting up supporting mechanism, supporting mechanism can the auxiliary stay precast beam, reduces the precast beam possibility of skew appearing to improve the holistic structural stability of building.

Drawings

FIG. 1 is an overall block diagram of an embodiment of the present application;

FIG. 2 is an exploded view of a precast beam and a connecting member according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a connecting member in an embodiment of the present application;

FIG. 4 is a front view of the overall structure in the embodiment of the present application, mainly showing the connection manner of the steel strands;

fig. 5 is an enlarged view of a portion a in fig. 3, and mainly shows the structure of the support mechanism.

Description of reference numerals: 1. prefabricating a column; 11. positioning a groove; 2. prefabricating a beam; 3. a connecting member; 31. a first fixed part; 311. a main steel plate; 312. a secondary steel plate; 313. positioning blocks; 314. an extension portion; 315. a wiring hole; 316. inserting a block; 317. a slot; 318. threading holes; 32. a second fixed part; 321. a limiting groove; 322. an elastic cushion layer; 4. steel strand wires; 5. a support mechanism; 51. a mounting seat; 511. mounting a plate; 512. a strip-shaped groove; 52. a support roller; 53. a shock absorbing spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses 2 post connection structures of precast beam.

Referring to fig. 1, a precast beam 2 column connection structure includes a precast column 1, two precast beams 2 respectively fixed to both sides of the precast column 1, and two connection members 3 for connecting the precast beams 2 and the precast column 1; the connecting member 3 in this embodiment is made of steel material, and the connecting member 3 includes a first fixing portion 31 and a second fixing portion 32 that are integrally formed.

Referring to fig. 2 and 3, the first fixing portion 31 includes a main steel plate 311 and two auxiliary steel plates 312 that are integrally formed, the two auxiliary steel plates 312 are vertically disposed on the same side of the main steel plate 311, and the two auxiliary steel plates 312 are respectively located at two opposite side edges of the main steel plate 311, and the main steel plate 311 and the two auxiliary steel plates 312 can be jointly surrounded and disposed on one side of the precast column 1.

Referring to fig. 2 and 3, the positioning blocks 313 are integrally formed on the outer sides of the main steel plates 311, the positioning grooves 11 are respectively formed on two opposite sides of the precast column 1, and each main steel plate 311 can be inserted into the positioning groove 11 through the positioning blocks 313 in a matching manner, so that the connecting piece 3 and the precast column 1 can be quickly positioned; after the positioning block 313 is inserted into the positioning groove 11, the auxiliary steel plate 312 and the prefabricated column 1 are fixedly connected by fastening bolts, so that the connecting piece 3 can be stably fixed on the prefabricated column 1. After the two connecting pieces 3 of the present embodiment are respectively installed on the prefabricated column 1, the auxiliary steel plates 312 respectively located on the two connecting pieces 3 can abut against each other.

Referring to fig. 2 and 3, an extension portion 314 extending outward is integrally formed on an outer side of each of the secondary steel plates 312, and the extension portion 314 is parallel to the primary steel plate 311; each extending part 314 is provided with a plurality of wire holes 315, and all the wire holes 315 are arranged at equal intervals along the extending direction of the extending part 314; when two connecting pieces 3 are respectively fixed on prefabricated column 1, extending portions 314 respectively located on two connecting pieces 3 abut against each other, and wire holes 315 respectively located on two extending portions 314 can be opposite to each other.

Referring to fig. 2 and 3, in addition, each extending portion 314 is provided with a plurality of slots 317, one side of each extending portion 314, which faces away from the main steel plate 311, is provided with a plurality of insertion blocks 316, the slots 317 and the insertion blocks 316 are arranged in a staggered manner, and each wire routing hole 315 is located between adjacent slots 317 and insertion blocks 316. The insertion block 316 and the insertion groove 317 in the present application are adapted, and when two connecting members 3 are respectively fixed to the prefabricated column 1, the insertion block 316 of each extension portion 314 can be inserted into the insertion groove 317 of another extension portion 314, so as to reduce the occurrence of relative movement between the two extension portions 314 and improve the structural strength between the two connecting members 3. Each insertion block 316 is provided with a threading hole 318 vertically penetrating the insertion block 316.

Referring to fig. 1 and 4, a steel strand 4 is disposed between each two abutting extensions 314, and the steel strand 4 is used to further improve the structural strength and connection stability between the two connecting members 3. The steel strand 4 is formed by twisting a plurality of steel wires, has certain elastic capacity, can absorb energy generated by a seismic disaster when the seismic disaster occurs, and reduces the damage of the seismic disaster to the whole building.

Referring to fig. 1 and 4, when the steel strand 4 is installed, the steel strand 4 passes through the wire holes 315 which are oppositely arranged on the two extending parts 314, and then the steel strand 4 passes through the wire holes 318 of the adjacent insertion blocks 316; subsequently, the steel strand 4 passes through the other two oppositely arranged wire passing holes 315 adjacent to the insertion block 316 and then passes through the wire passing hole 318 of the other adjacent insertion block 316; repeat above-mentioned operation and make steel strand wires 4 alternately pass all walking holes 315 and all through wires holes 318, then knot the both ends of steel strand wires 4, steel strand wires 4 can greatly improve the connection steadiness between two connecting pieces 3 this moment, and then improve the structural strength between connecting piece 3 and the prefabricated post 1.

Referring to fig. 2, the second fixing portion 32 in this embodiment is vertically disposed on a side of the main steel plate 311 away from the positioning block 313; the second fixing part 32 is a rectangular frame, and one side of the second fixing part 32, which is far away from the first fixing part 31, is provided with a limit groove 321 matched with the precast beam 2; after the precast beam 2 is inserted into the limiting groove 321, the second fixing portion 32 and the precast beam 2 are fixedly connected to the outer side of the second fixing portion 32 by fastening bolts, so that the precast beam 2 can be stably fixed in the limiting groove 321.

Referring to fig. 2, an elastic cushion layer 322 is disposed in the limiting groove 321, and the elastic cushion layer 322 is adhered to a lower groove wall of the limiting groove 321; the elastic cushion layer 322 in this embodiment is made of a silica gel material, and after the precast beam 2 is inserted and fixed to the limiting groove 321, the precast beam 2 can extrude the elastic cushion layer 322 and deform the elastic cushion layer 322, so that the earthquake disaster can be absorbed when the earthquake disaster occurs, and the damage to the shock absorbing wall body when the earthquake disaster occurs is reduced.

Referring to fig. 3 and 5, the first fixing portion 31 is provided with a support mechanism 5 for assisting in supporting the precast beam 2, and the support mechanism 5 includes a mounting seat 51, support rollers 52, and a damper spring 53. The mounting seat 51 is fixed on one side of the main steel plate 311 away from the positioning block 313, and the mounting seat 51 is located below the second fixing portion 32; two mounting plates 511 are integrally formed on one side of the mounting seat 51 facing the second fixing portion 32, and the two mounting plates 511 are respectively located on two side edges of the mounting seat 51; the mounting plate 511 is used for mounting the supporting roller 52, and the minimum distance from the mounting plate 511 to the main steel plate 311 is set to be greater than the maximum distance from the second fixing portion 32 to the main steel plate 311 in the present embodiment, so that the supporting roller 52 mounted on the mounting plate 511 can be exposed to the second fixing portion 32.

Referring to fig. 2 and 5, each mounting plate 511 is provided with two strip-shaped grooves 512, two support rollers 52 are provided, and two ends of each support roller 52 are correspondingly mounted on the strip-shaped grooves 512 of the two mounting plates 511; damping spring 53's quantity sets up to four, and four damping spring 53 correspond respectively and install in four bar grooves 512, and each damping spring 53 all with the one end tip interconnect of backing roll 52. The damping spring 53 is in a compressed state in a normal state, and the supporting roller 52 is abutted against the upper groove wall of the strip-shaped groove 512 in a normal state by the elastic force of the damping spring 53; after the precast beam 2 is installed in the limiting groove 321, the supporting roller 52 can be tightly abutted to the precast beam 2 by the elastic force of the damping spring 53, so that the supporting force of the precast beam 2 is improved; when a seismic disaster occurs, the damping spring 53 can absorb the energy of the seismic disaster, and reduce the damage of the seismic disaster to the whole building.

The above is a preferred embodiment of the present application, and the scope of protection of the present application is not limited by the above, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a precast beam (2) post connection structure which characterized in that: the prefabricated column comprises a prefabricated column (1), two prefabricated beams (2) respectively fixed on two sides of the prefabricated column (1) and a connecting piece (3) used for connecting the prefabricated beams (2) and the prefabricated column (1), wherein the connecting piece (3) comprises a first fixing part (31) and a second fixing part (32) which are connected with each other, the first fixing part (31) is fixed on the prefabricated column (1), and the second fixing part (32) is fixed on the prefabricated beam (2); the two first fixing parts (31) are abutted against each other, and a steel strand (4) for auxiliary fixing is connected between the two first fixing parts (31).

2. The precast beam (2) column connection structure according to claim 1, wherein: each first fixing part (31) is provided with an extending part (314) extending outwards, the extending parts (314) are provided with a plurality of wire routing holes (315), and the steel strands (4) sequentially penetrate through the wire routing holes (315) of the two extending parts (314) in a crossed mode.

3. The precast beam (2) column connection structure according to claim 2, wherein: one side of each extension part (314) facing the adjacent extension part (314) is provided with a plurality of insertion blocks (316) and a plurality of insertion grooves (317); the insertion blocks (316) and the slots (317) are arranged in a staggered mode, and each insertion block (316) or each slot (317) is located between two adjacent wiring holes (315); when the two first fixing parts (31) are abutted against each other, the inserting block (316) of one extending part (314) is inserted into the inserting groove (317) of the other extending part (314) in a matching manner; each inserting block (316) is provided with a threading hole (318) for the steel strand (4) to pass through.

4. The precast beam (2) column connection structure according to any one of claims 1 to 3, wherein: one side of the first fixing portion (31) departing from the second fixing portion (32) is provided with a positioning block (313), and the prefabricated column (1) is provided with a positioning groove (11) matched with the positioning block (313).

5. The precast beam (2) column connection structure according to claim 1, wherein: the second fixing part (32) is a rectangular frame body vertically fixed on the first fixing part (31), a limiting groove (321) matched with the precast beam (2) is arranged on one side, deviating from the first fixing part (31), of the second fixing part (32), and the precast beam (2) is spliced and fixed on the limiting groove (321).

6. The precast beam (2) column connection structure according to claim 5, wherein: a supporting mechanism (5) for assisting in supporting the precast beam (2) is arranged below the second fixing part (32), and the supporting mechanism (5) comprises an installation seat (51) fixed on the first fixing part (31) and a supporting roller (52) erected on the installation seat (51); when the precast beam (2) is spliced and fixed on the limiting groove (321), the supporting roller (52) is abutted against the precast beam (2).

7. The precast beam (2) column connection structure according to claim 6, wherein: a strip-shaped groove (512) for a support roller (52) to move is arranged on the outer side of the mounting seat (51); the supporting assembly further comprises a damping spring (53) installed between the supporting roller (52) and the installation seat (51), and the damping spring (53) enables the supporting roller (52) to abut against the precast beam (2) normally.

8. The precast beam (2) column connection structure according to claim 7, wherein: and an elastic cushion layer (322) is arranged on the side wall of the limiting groove (321) close to one side of the supporting mechanism (5).