CN218091621U - Self-plugging quick grouting sleeve structure - Google Patents

Abstract

The utility model provides a from stifled quick grout sleeve structure, including lower part cast in situ concrete, lower part cast in situ concrete's center department is provided with the chisel hair base face, the top of chisel hair base face levels the base face, the center department of leveling the base face inserts and is equipped with connecting reinforcement, connecting reinforcement's outside cover has closed rubber circle, fixed slot and connection notch have been seted up to closed rubber circle's inner wall, the utility model discloses a closed rubber circle and precast concrete and cast in situ concrete contact cut off sleeve and precast member bottom, form a confined grout space to realize automatic shutoff function, can grout fast after the precast member installation, solved assembled building precast member in the grout work progress, grout position shutoff difficulty, shutoff work influences the construction organization, and easily takes place to leak the technical problem in thick liquid, the storehouse of exploding.

Description

Self-plugging quick grouting sleeve structure

Technical Field

The utility model relates to an assembly type structure construction technical field, concretely relates to from stifled quick grout sleeve structure of sealing.

Background

In an assembly type concrete structure, the grouting connection of the steel bar sleeve is widely applied, a prefabricated vertical component is connected with a reserved steel bar through the sleeve, grouting is carried out on a connecting part after the component is installed, at the present stage, the grouting part is still sealed on site mainly by adopting a traditional mortar filling and smearing method, the process is on-site wet operation, when the sealing is carried out by using materials such as setting slurry and the like, the grouting operation can be carried out after the sealing interface is maintained for 24 hours, the follow-up process cannot be inserted in time, and the waste of time and working faces is easily caused. In addition, the traditional mortar plugging method is easily influenced by weather and construction operation, the situation of non-compact plugging is generated, the problems of slurry leakage, bin explosion and the like are easily generated during grouting, the grouting construction quality and the structure safety are influenced, particularly, the mortar maintenance time is prolonged in the construction period in winter, adverse factors are further expanded, the advantage of assembly operation is severely restricted by the construction mode, and the development of an assembly type building is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having prefabricated component of prefabricated construction in the grouting work progress among the prior art, grout position shutoff difficulty, shutoff work influences the construction organization, and easily takes place to leak thick liquid, explodes the shortcoming of the technical problem in storehouse.

In order to realize the purpose, the utility model adopts the following technical scheme: a self-plugging quick grouting sleeve structure comprises lower cast-in-place concrete, wherein a scabbling base plane is arranged at the center of the lower cast-in-place concrete, the top of the scabbling base plane is a flat base plane, a connecting steel bar is inserted into the center of the flat base plane, a closed rubber ring is sleeved on the outer side of the connecting steel bar, and a fixed clamping groove and a connecting notch are formed in the inner wall of the closed rubber ring;

further, the inside block of connecting the notch is connected with the fixed buckle of anticreep, and the fixed buckle of anticreep is connected with the sleeve, and telescopic input is provided with the injected hole, and telescopic output is provided with out the thick liquid hole.

Further, telescopic top is connected with inside reinforcing bar, and the outside of inside reinforcing bar is connected with prefabricated component, is provided with thick liquids shutoff gap between prefabricated component and the lower part cast in situ concrete.

Further, the top of lower part cast in situ concrete is connected with the calibration board through first fixing bolt, and threaded hole is seted up in the outside of calibration board, and the inside threaded connection of threaded hole has second fixing bolt.

Furthermore, the outer side of the second fixing bolt is movably clamped with a movable ring, and the outer side of the movable ring is connected with a shielding plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. can in time insert the grout construction after prefabricated component hoist and mount, need not to wait for to sit thick liquids maintenance 12h, can effectively improve the process and alternate efficiency, shorten construction cycle.

2. The grouting machine has the advantages that a single sleeve is grouted, the grouting communicating area is small, the channel is short, the grouting machine can be fully filled by adopting a manual grouting gun, the grouting pressure required by the grouting machine is small, the risks of slurry leakage and bin explosion in the grouting process are eliminated, and the grouting construction quality is convenient to control.

3. The closed rubber ring is simple in structure, made of conventional rubber materials, low in manufacturing difficulty and convenient to produce and utilize.

4. Adopt the shutoff of rubber circle, grout to single sleeve, under the condition of guaranteeing that reinforcing bar sleeve position is irritated fully, the prefabricated component bottom adopts to sit the thick liquids to fill, can reduce the grout material quantity, and the measure expense that increases only is the expense of rubber circle, and the cost of whole application is controllable.

5. The prefabricated part installation calibration plate is calibrated through the first fixing bolt installation shell calibration plate, the second fixing bolt is used for connecting the movable ring with the calibration plate, the distance between the calibration plate and the shielding plate can be adjusted by adjusting the position of the second fixing bolt in the calibration plate, a calibration angle is formed, and the prefabricated part installation can be conveniently calibrated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic view of the construction and installation of a self-plugging quick grouting sleeve structure;

FIG. 2 is a schematic view of installation and plugging of a self-plugging quick grouting sleeve structure;

FIG. 3 is a schematic view of an improved installation of a self-plugging quick grouting sleeve structure;

FIG. 4 is a schematic diagram of a self-plugging sleeve structure of a self-plugging fast grouting sleeve structure;

FIG. 5 is a schematic cross-sectional view of a self-plugging quick grouting sleeve structure;

FIG. 6 is a schematic diagram of a calibration plate structure of a self-plugging quick grouting sleeve structure;

fig. 7 is a schematic view of a shielding plate structure of a self-plugging quick grouting sleeve structure.

In the drawings, the components represented by the respective reference numerals are explained as follows:

1. prefabricating a component; 2. a sleeve; 3. sealing the rubber ring; 4. connecting reinforcing steel bars; 5. chiseling a base surface; 6. the lower part is cast with concrete in situ; 7. a slurry outlet; 8. grouting holes; 9. leveling a base plane; 10. setting slurry to block the gap; 11. simplifying the sealing rubber ring; 12. the anti-falling fixing buckle; 13. fixing the clamping groove; 14. a connection notch; 15. internal reinforcing steel bars; 16. a first fixing bolt; 17. a calibration plate; 18. a second fixing bolt; 19. a movable ring; 20. a shielding plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Examples

As shown in fig. 1-7, a self-plugging quick grouting sleeve structure comprises a lower cast-in-place concrete 6, a chiseled base surface 5 is arranged at the center of the lower cast-in-place concrete 6, a flat base surface 9 is arranged at the top of the chiseled base surface 5, a connecting steel bar 4 is inserted into the center of the flat base surface 9, a closed rubber ring 3 is sleeved outside the connecting steel bar 4, a fixed clamping groove 13 and a connecting notch 14 are formed in the inner wall of the closed rubber ring 3, an anti-falling fixed clamping groove 13 is formed inside the closed rubber ring 3, the bottom of the closed rubber ring 3 is arc-shaped, the fitting degree with the concrete base surface is improved, and the inner diameter of the closed rubber ring 3 is slightly larger than the outer diameter of a ball-milled cast iron sleeve;

connect notch 14's inside block and be connected with the fixed buckle 12 of anticreep, the fixed buckle 12 of anticreep is connected with sleeve 2, sleeve 2's input is provided with grouting hole 8, sleeve 2's output is provided with grout outlet 7, sleeve 2's top is connected with inside reinforcing bar 15, the outside of inside reinforcing bar 15 is connected with prefabricated component 1, be provided with between prefabricated component 1 and the lower part cast in situ concrete 6 and sit thick liquids shutoff gap 10, the top of lower part cast in situ concrete 6 is connected with calibration plate 17 through first fixing bolt 16, threaded hole is seted up in calibration plate 17's the outside, and the internal thread of threaded hole is connected with second fixing bolt 18, the outside activity block of second fixing bolt 18 has loose ring 19, the outside of loose ring 19 is connected with shielding plate 20.

Principle of operation

Before the prefabricated part 1 is hoisted, chiseling treatment is carried out on a connecting base plane, the area of a chiseling base plane 5 is controlled to be 80% of the area of the base plane, the chiseling depth is 6mm, the flat base plane 9 in the range of 30mm at the root of a connecting steel bar 4 is not chiseling treatment, the chiseling interface is cleaned, the connecting steel bar 4 is corrected and straightened, then the prefabricated part 1 is hoisted and installed, the horizontal position, the verticality and the elevation of the prefabricated part 1 are adjusted to meet the construction requirements, an inclined support is fixedly locked, grouting is carried out by a manual grouting gun or a grouting machine one by one sleeve, the bottom of the prefabricated part 1 is subjected to filling and sealing treatment by using a mortar, the mortar is filled and compacted when the gap 10 is plugged by using a PVC circular pipe with the diameter of 2mm, post-stage chiseling is avoided, and after the same-condition test block strength of the mortar reaches 35N/mm < 2 >, subsequent construction with disturbance on a joint can be carried out, when the prefabricated part 1 is connected with the sleeve 2, the prefabricated part 1 needs to be calibrated, if the calibration is inaccurate, the prefabricated part 1 and the sleeve 2 can not be butted, so the installation of the prefabricated part 1 is calibrated by installing the shell calibration plate 17 through the first fixing bolt 16, the movable ring 19 is connected with the calibration plate 17 through the second fixing bolt 18, the distance between the calibration plate 17 and the shielding plate 20 can be adjusted by adjusting the position of the second fixing bolt 18 in the calibration plate 17 to form a calibration angle, the installation of the prefabricated part 1 is convenient to calibrate, the simplified closed rubber ring 11 can be arranged on site for plugging the prefabricated part 1 without adopting a self-plugging sleeve, and after the connection steel bar 4 is calibrated in the step S2, the simplified closed rubber ring 11 is sleeved on the connection steel bar 4, and then, hoisting and installing the prefabricated wall.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides a from stifled quick grout sleeve structure, includes lower part cast in situ concrete (6), its characterized in that: the concrete-filled steel tube is characterized in that a scabbling base surface (5) is arranged at the center of the lower cast-in-place concrete (6), the top of the scabbling base surface (5) is flat, a connecting steel bar (4) is inserted at the center of the flat base surface (9), a closed rubber ring (3) is sleeved on the outer side of the connecting steel bar (4), and a fixed clamping groove (13) and a connecting notch (14) are formed in the inner wall of the closed rubber ring (3).

2. The self-plugging quick grouting sleeve structure according to claim 1, characterized in that: the inside block of connecting notch (14) is connected with fixed buckle of anticreep (12), the fixed buckle of anticreep (12) are connected with sleeve (2), the input of sleeve (2) is provided with injected hole (8), the output of sleeve (2) is provided with out starching hole (7).

3. The self-plugging quick grouting sleeve structure according to claim 2, characterized in that: the top of sleeve (2) is connected with inside reinforcing bar (15), the outside of inside reinforcing bar (15) is connected with prefabricated component (1), be provided with between prefabricated component (1) and lower part cast in situ concrete (6) and sit thick liquids shutoff gap (10).

4. The self-plugging quick grouting sleeve structure according to claim 1, characterized in that: the top of the lower cast-in-place concrete (6) is connected with a calibration plate (17) through a first fixing bolt (16), the outer side of the calibration plate (17) is provided with a threaded hole, and the inner thread of the threaded hole is connected with a second fixing bolt (18).

5. The self-plugging quick grouting sleeve structure according to claim 4, wherein: the outer side of the second fixing bolt (18) is movably clamped with a movable ring (19), and the outer side of the movable ring (19) is connected with a shielding plate (20).

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