CN212176094U

CN212176094U - Prefabricated component connection structure

Info

Publication number: CN212176094U
Application number: CN202020463591.7U
Authority: CN
Inventors: 宋涵勋; 吴东来; 刘罡; 张昊
Original assignee: Yutong Engineering Management Co Ltd
Current assignee: Yutong Engineering Management Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-12-18
Anticipated expiration: 2030-04-01

Abstract

The utility model relates to a prefabricated component connection structure, it includes first prefab and second prefab, pre-buried multiunit embedded bar that has on the first prefab, the locating hole has been seted up to the one end that first prefab was stretched out to pre-buried pole, be provided with the prefabricated groove of multiunit and pre-buried pole one-to-one on the second prefab, pre-buried pole is pegged graft in the prefabricated groove, still be provided with on the second prefab with prefabricated groove vertically prefabricated hole, wear to be equipped with the connecting rod in the prefabricated hole, the connecting rod runs through all prefabricated grooves and locating hole. The utility model has the advantages of the installation effectiveness is higher when connecting large-scale prefab.

Description

Prefabricated component connection structure

Technical Field

The utility model belongs to the technical field of the technique of building prefab and specifically relates to a prefabricated component connection structure is related to.

Background

The prefabricated member is a concrete product processed and produced in a standardized and mechanized mode in a factory, is widely applied to the fields of buildings, traffic, water conservancy and the like, and plays an important role in national economy, such as a prefabricated reinforced concrete column foundation, a prefabricated steel structure steel column foundation, a street lamp billboard column reinforced concrete foundation and a prefabricated floor slab.

Chinese patent publication No. CN110258820A discloses a prefabricated part anchoring connection, which comprises a connecting rod, an anchoring assembly, a prefabricated part, and a fixing member, wherein the prefabricated part is provided with an anchoring hole, the connecting rod extends into the prefabricated part and enters the anchoring hole, the anchoring assembly is installed at one end of the connecting rod in the anchoring hole, the other end of the connecting rod is fixed in the fixing member, the prefabricated part and the fixing member are connected together through the connecting rod by fastening the anchoring assembly, and the anchoring assembly is composed of a gasket or a cushion block and a nut.

The above prior art solutions have the following drawbacks: when the prefab is bulky, need the multiunit anchor structure to connect, in the installation, every anchor structure of group all need be screwed up the nut on the connecting rod, and the operation is comparatively troublesome, and the installation is wasted time and energy, and the installation effectiveness is lower.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a prefabricated component connection structure has the higher advantage of installation effectiveness when connecting large-scale prefab.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a prefabricated component connection structure, includes first prefab and second prefab, pre-buried multiunit embedded bar that has on the first prefab, the locating hole has been seted up to the one end that embedded bar stretches out first prefab, be provided with the prefabricated groove of multiunit and embedded bar one-to-one on the second prefab, the embedded bar is pegged graft in the prefabricated groove, still be provided with on the second prefab with prefabricated groove vertically prefabricated hole, wear to be equipped with the connecting rod in the prefabricated hole, the connecting rod runs through all prefabricated grooves and locating hole.

Through adopting above-mentioned technical scheme, when needs are connected prefabricated component, insert the prefabricated section with pre-buried pole one-to-one, until first prefab and the mutual butt of second prefab, then pass prefabricated section and locating hole with the connecting rod, carry on spacingly to pre-buried pole, when first prefab and second prefab are bulky, can carry on spacingly to multiple pre-buried pole simultaneously through a connecting rod, the installation effectiveness is higher.

The utility model discloses further set up to: the connecting rod is hollow, connecting rod one end is sealed, and the slip casting mouth has been seted up to the other end, correspond with the prefabricated groove on the connecting rod lateral wall and seted up out the thick liquid hole.

Through adopting above-mentioned technical scheme, the installation finishes the back, injects grout through the slip casting mouth into the connecting rod, and the clearance between pre-buried pole and the prefabricated groove and the clearance between first prefab and the second prefab are filled through the grout outlet to the grout, makes the connection of first prefab and second prefab more stable.

The utility model discloses further set up to: the grouting opening is in threaded connection with a grouting connecting piece.

Through adopting above-mentioned technical scheme, during the slip casting, through slip casting connecting piece slip casting in to the connecting rod, the back is accomplished in the slip casting, can pull down cyclic utilization with the slip casting connecting piece, can reduce use cost.

The utility model discloses further set up to: the anti-seepage groove surrounding the prefabricated groove is formed in the surface, in contact with the first prefabricated member, of the second prefabricated member, and the anti-seepage block matched with the anti-seepage groove is formed in the first prefabricated member.

By adopting the technical scheme, the anti-seepage block is inserted in the anti-seepage groove, so that cement paste can be prevented from flowing out of the edges of the first prefabricated member and the second prefabricated member, the loss of the cement paste is reduced, and resources are saved.

The utility model discloses further set up to: the cross section of one end of the prefabricated groove close to the first prefabricated member is in an inverted trapezoid shape.

Through adopting above-mentioned technical scheme, be trapezoidal prefabricated groove and can play the guide effect when pegging graft the pre-buried pipe, even first prefab and second prefab have a little error in production, the pre-buried pipe also can insert the prefabricated groove smoothly in, makes the installation more convenient.

The utility model discloses further set up to: and one end of the connecting rod, which is close to the grouting opening, is provided with a plugging piece, and the plugging piece is inserted into the prefabricated hole.

Through adopting above-mentioned technical scheme, the shutoff piece can avoid cement paste to flow out from the prefabricated hole, makes second prefab surface can be in comparatively level and smooth state, is difficult for producing in the installation and interferes.

The utility model discloses further set up to: the prefabricated hole orifice goes out to be provided with the lantern ring, shutoff piece and lantern ring threaded connection.

Through adopting above-mentioned technical scheme, threaded connection through the lantern ring and shutoff piece can fix a position the connecting rod, avoids slip to take place for the slip casting in-process connecting rod, makes the connecting rod can remain stable.

The utility model discloses further set up to: the embedded rod is a ribbed steel bar.

Through adopting above-mentioned technical scheme, the area of contact of ribbed steel bar and first prefab is great, makes pre-buried pole can bear great pulling force load and also can not break away from first prefab, makes the connection of first prefab and second prefab more stable.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the first prefabricated part and the second prefabricated part are large in size, multiple embedded rods can be limited through one connecting rod at the same time, and the installation efficiency is high;

2. cement slurry is injected into the connecting rod through the grouting port, and the cement slurry is filled into a gap between the embedded rod and the prefabricated groove and a gap between the first prefabricated member and the second prefabricated member through the slurry outlet hole, so that the first prefabricated member and the second prefabricated member are connected more stably;

3. the anti-seepage block is inserted in the anti-seepage groove, so that cement paste can be prevented from flowing out from the edges of the first prefabricated member and the second prefabricated member, and the loss of cement paste is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of a portion of the second preform of FIG. 1;

FIG. 4 is a schematic view of a portion of the first preform of FIG. 1;

fig. 5 is an exploded view of the connecting rod of fig. 1.

In the figure, 1, a first preform; 2. a second preform; 3. pre-burying a rod; 4. pre-groove preparation; 5. positioning holes; 6. prefabricating holes; 7. a connecting rod; 8. a grouting port; 9. a slurry outlet; 10. a collar; 11. a blocking member; 12. grouting a connecting piece; 13. an anti-seepage groove; 14. and (4) an anti-seepage block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a prefabricated component connection structure, including the second prefab 2 that the level was placed, first prefab 1 has been placed to 2 top surfaces of second prefab, and even interval is provided with multiunit embedded bar 3 in the first prefab 1, and embedded bar 3 stretches out from 1 bottom of first prefab, and multiunit embedded bar 3 is in on the same vertical plane, and multiunit prefabricated groove 4 has been seted up with embedded bar 3 one-to-one to 2 top surfaces of second prefab, and embedded bar 3 pegs graft in prefabricated groove 4.

The transverse section of one end of the prefabricated groove 4 close to the first prefabricated part 1 is inverted trapezoid, when the embedded rod 3 is inserted into the prefabricated groove 4, the side wall of the inverted trapezoid prefabricated groove 4 can play a role in guiding, and the embedded pipe can be smoothly inserted into the prefabricated groove 4.

Locating hole 5 has been seted up perpendicularly to embedded pole 3 insert the one end of prefabricated groove 4, is provided with on the second prefab 2 with the perpendicular crossing prefabricated hole 6 of prefabricated groove 4, when 1 bottom surface of first prefab and 2 top surfaces butts of second prefab, locating hole 5 and prefabricated hole 6 are coaxial, and it has connecting rod 7 to peg graft in the prefabricated hole 6, and locating hole 5 on all prefabricated grooves 4 and embedded pole 3 is run through to connecting rod 7.

Pre-buried pole 3 is ribbed steel bar, increase and the area of contact of first prefab 1 to reinforcing connection structure's bearing capacity.

Connecting rod 7 is hollow pole, 7 one ends of connecting rod are sealed, slip casting mouth 8 has been seted up to the other end, grout outlet 9 has been seted up with prefabricated groove 4 correspondence on the 7 lateral walls of connecting rod, after first prefab 1 and the installation of second prefab 2 are finished, through slip casting mouth 8 to injecting into grout in connecting rod 7, grout fills the clearance between pre-buried pole 3 and prefabricated groove 4 and the clearance between first prefab 1 and the second prefab 2 through grout outlet 9, make the connection of first prefab 1 and second prefab 2 more stable.

6 drill way play in prefabricated hole is provided with the

lantern ring

10, and 10 inner walls of the lantern ring are coniform to be provided with the internal thread, connecting rod 7 is fixed with shutoff piece 11 near the one end of slip casting mouth 8, is provided with the external screw thread on the shutoff piece 11, and installation connecting rod 7 makes, pegs graft prefabricated hole 6 with connecting rod 7 in, then swivel joint pole 7, makes

shutoff piece

11 and 10 threaded connection of lantern ring, realizes the sealed of prefabricated hole 6.

Referring to fig. 3 and 4, the side of the second prefabricated member 2 contacting the first prefabricated member 1 is provided with an anti-seepage groove 13 surrounding the prefabricated groove 4, and the first prefabricated member 1 is provided with an anti-seepage block 14 matched with the anti-seepage groove 13.

Referring to fig. 5, 8 threaded connection of slip casting mouth has slip casting connecting piece 12, and slip casting connecting piece 12 is L shape, and slip casting connecting piece 12 keeps away from the vertical upwards of one end opening of slip casting mouth 8, can avoid the cement paste to flow out in following connecting rod 7 before the set in advance, makes and can be full of cement in the connecting rod 7, after the cement paste tentatively solidifies no longer flows, rotatory slip casting connecting piece 12 can take out slip casting connecting piece 12, reuse.

The implementation principle of the embodiment is as follows: when in installation, the second prefabricated part 2 is installed firstly, then the first prefabricated part 1 is hoisted to the first prefabricated part 1, so that the embedded rods 3 correspond to the prefabricated grooves 4 one by one, then the first prefabricated member 1 is put down to enable the first prefabricated member 1 to be abutted with the second prefabricated member 2, at the moment, the anti-seepage block 14 is inserted into the anti-seepage groove 13, the embedded rod 3 is inserted into the prefabricated groove 4, then the connecting rods 7 are inserted into the prefabricated holes 6, so that the connecting rods 7 penetrate through all the prefabricated grooves 4 and the positioning holes 5, then the connecting rod 7 is rotated along the circumferential direction thereof, so that the plugging piece 11 is in threaded connection with the lantern ring 10, carry on spacingly to connecting rod 7, inject grout in to connecting rod 7 through slip casting mouth 8 at last, grout fills the clearance between pre-buried pole 3 and prefabricated groove 4 and the clearance between first prefab 1 and the second prefab 2 through going out grout hole 9, after grout is tentatively solidified, twists out slip casting connecting piece 12 is rotatory.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a prefabricated component connection structure, includes first prefab (1) and second prefab (2), pre-buried pole (3) are buried in advance to have the multiunit on first prefab (1), its characterized in that: locating hole (5) have been seted up to embedded rod (3) one end of stretching out first prefab (1), be provided with prefabricated groove (4) of multiunit and embedded rod (3) one-to-one on second prefab (2), embedded rod (3) are pegged graft in prefabricated groove (4), still be provided with on second prefab (2) with prefabricated groove (4) vertically prefabricated hole (6), wear to be equipped with connecting rod (7) in prefabricated hole (6), connecting rod (7) run through all prefabricated grooves (4) and locating hole (5).

2. The prefabricated member connecting structure according to claim 1, wherein: the connecting rod (7) is a hollow rod, one end of the connecting rod (7) is sealed, the other end of the connecting rod is provided with a grouting opening (8), and a grout outlet (9) is formed in the side wall of the connecting rod (7) and corresponds to the prefabricated groove (4).

3. A prefabricated member connecting structure according to claim 2, wherein: the grouting opening (8) is in threaded connection with a grouting connecting piece (12).

4. A prefabricated member connecting structure according to claim 3, wherein: the anti-seepage device is characterized in that one surface, in contact with the first prefabricated member (1), of the second prefabricated member (2) is provided with an anti-seepage groove (13) surrounding the prefabricated groove (4), and the first prefabricated member (1) is provided with an anti-seepage block (14) matched with the anti-seepage groove (13).

5. The prefabricated member connecting structure according to claim 1, wherein: the cross section of one end of the prefabricated groove (4) close to the first prefabricated part (1) is in an inverted trapezoid shape.

6. A prefabricated member connecting structure according to claim 2, wherein: one end of the connecting rod (7) close to the grouting opening (8) is provided with a plugging piece (11), and the plugging piece (11) is inserted in the prefabricated hole (6).

7. The prefabricated member connecting structure according to claim 6, wherein: the hole opening of the prefabricated hole (6) is provided with a lantern ring (10), and the plugging piece (11) is in threaded connection with the lantern ring (10).

8. The prefabricated member connecting structure according to claim 1, wherein: the embedded rod (3) is a ribbed steel bar.