Fabricated grouting sleeve assembly

Abstract

The utility model relates to the technical field of grouting sleeves, and provides an assembly type grouting sleeve assembly which comprises a bearing platform body, a cushion layer, a stand column body, an embedded steel bar, a stand column main bar, a sleeve body and a sealing assembly. Slurry is injected into the first placing groove through the grouting hole, the slurry enters the second placing groove through the through hole after the first placing groove is filled with the slurry, after the second placing groove is filled with the slurry, the slurry moves upwards and flows to the outside along the slurry outlet hole, and when the slurry flows out of the slurry outlet hole, the slurry can be stopped from being injected into the grouting hole. The outer wall of the round rod is arranged on the inner wall of the grout outlet hole, the inner wall of the cap head is arranged on the outer wall of the grout outlet hole for threaded fixed connection, grout is prevented from leaking out through the grout outlet hole and the grouting hole till the grout is solidified to form condensation on the embedded steel bars and the stand column main bars, and then grouting condensation of the stand column body is conducted outside the multiple sets of stand column main bars. In this way, installation of the device is completed, and the problem that high-strength stable grouting is inconvenient to conduct on the device is solved.

Description

Technical Field

[0001] This utility model relates to the field of grouting sleeve technology, specifically to an assembled grouting sleeve assembly. Background Technology

[0002] Grouting sleeves are a combination of specially processed sleeves, matching grouting material, and reinforcing bars. When connecting reinforcing bars, fast-hardening, non-shrink grouting material is injected, and the reinforcing bars and sleeves are connected by the bonding and interlocking effect between the materials. It has the advantages of reliable performance, wide applicability, and simple installation. It is mainly used for connecting reinforcing bars of precast components in prefabricated concrete structures and for the overall docking of reinforcing cages in cast-in-place concrete structures.

[0003] The patent specification with announcement number CN210597888U discloses a self-locking rebar connection fully grouted sleeve, including a first grouted sleeve and a second grouted sleeve. The first grouted sleeve has a grouted hole, and the second grouted sleeve has a grouted outlet hole. The inner diameter of the second grouted sleeve is larger than the outer diameter of the first grouted sleeve. The first grouted sleeve also has multiple limiting holes, and a locking component is installed in each limiting hole. The first grouted sleeve is fixedly connected to the second grouted sleeve through the locking components. This utility model adopts the method of installing the locking block at a height higher than the outer diameter of the first grouted sleeve, so that the locking block can be effectively installed in the limiting hole provided on the first grouted sleeve. After being subjected to force, it can slide up and down well along the side wall of the limiting hole, thereby ensuring that the locking block can slide quickly and accurately after installation, realizing the self-locking of the first grouted sleeve and the second grouted sleeve.

[0004] However, the following problems were found in the implementation of the above-mentioned technical solutions: During the use of the above-mentioned device, since the grouting process of the sleeve is a hidden project and there is currently no good detection method, it is not easy to detect if the sleeve is not fully grouted during construction. This will cause the steel bars and the hardened grout to not be firmly connected, thus affecting the overall quality of the grouting sleeve. Therefore, further improvements are needed. Utility Model Content

[0005] This utility model proposes an assembled grouting sleeve assembly, which solves the problem in related technologies that make it inconvenient to perform high-strength and stable grouting on the device.

[0006] The technical solution of this utility model is as follows:

[0007] A prefabricated grouting sleeve assembly includes a foundation body, a pad layer fixedly connected to the upper end of the foundation body, a column body fixedly connected to the upper end of the pad layer, a pre-embedded steel bar penetrating the upper end of the pad layer, a main column bar penetrating the upper end of the column body, a sleeve body provided at the upper end of the pad layer, and a sealing component provided on the outer side of the sleeve body for sealing the opening on the outer side of the sleeve body.

[0008] Preferably, a first placement groove is provided at the lower end of the sleeve body, a second placement groove is provided at the upper end of the sleeve body, a through hole is provided between the first placement groove and the second placement groove, a grouting hole is provided through the outer side of the lower end of the sleeve body, and a grout outlet hole is provided through the outer side of the upper end of the sleeve body.

[0009] Preferably, the grouting hole is connected to the first placement groove, and the grout outlet hole is connected to the second placement groove.

[0010] Preferably, the sleeve body is evenly distributed inside the column body.

[0011] Preferably, the upper end of the pre-embedded steel bar is located inside the first placement groove, and the lower end of the pre-embedded steel bar passes through the inside of the pad layer and is fixed inside the foundation body.

[0012] Preferably, the lower end of the main reinforcement bar of the column is located inside the second placement groove, and the upper end of the main reinforcement bar of the column passes through the interior of the column body.

[0013] Preferably, the sealing assembly includes a cap disposed outside the grouting hole and the grout outlet hole, a round rod fixedly connected to the inner wall of the cap, a cavity between the cap and the round rod, a first thread fixedly connected to the inner wall of the cap, a second thread fixedly connected to the outer surface of the round rod, a third thread fixedly connected to the outer wall of both the grouting hole and the grout outlet hole, and a fourth thread fixedly connected to the inner wall of both the grouting hole and the grout outlet hole.

[0014] Preferably, the cavity corresponds to the pipe wall of the grouting hole and the grout outlet hole, the first thread is threadedly connected to the third thread, and the second thread is threadedly connected to the fourth thread.

[0015] The working principle and beneficial effects of this utility model are as follows:

[0016] This invention involves embedding a pre-embedded reinforcing bar through the interior of the foundation layer and fixing it inside the foundation body, preventing the pre-embedded reinforcing bar from separating from the foundation body. Next, the first placement groove in the sleeve body is fitted downwards onto the upper end of the pre-embedded reinforcing bar, with the top of the pre-embedded reinforcing bar abutting against the top wall of the first placement groove. Then, the main reinforcing bar of the column is vertically placed into the second placement groove in the sleeve body. Grout is then injected into the first placement groove through the grouting hole. After the first placement groove is filled with grout, it enters the second placement groove through the through hole. Finally, the second placement groove is filled with... After the grout is filled, it will flow outward along the grout outlet as it rises. When there is grout flowing out of the grout outlet, the injection of grout into the injection hole can be stopped. At the same time, the outer wall of the round rod is placed on the inner wall of the grout outlet, and the inner wall of the cap is placed on the outer wall of the grout outlet, and the connection is fixed by threads to prevent the grout from leaking out through the grout outlet and injection hole until the grout solidifies and forms a solidification on the pre-embedded steel bars and the main reinforcement of the column. Then, the grouting of the column body is carried out on the outside of multiple sets of main reinforcement bars to complete the installation of the device, which solves the problem of inconvenience in high-strength and stable grouting of the device. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the sealing component structure of this utility model;

[0020] Figure 3 This utility model Figure 1 Enlarged view of point A in the image.

[0021] In the diagram: 1. Foundation body; 2. Pad layer; 3. Column body; 4. Sleeve body; 41. First placement groove; 42. Second placement groove; 43. Through hole; 44. Grouting hole; 45. Grout outlet hole; 5. Embedded steel bar; 6. Main reinforcement bar of column; 7. Sealing assembly; 71. Cap; 711. First thread; 72. Round rod; 721. Second thread; 73. Cavity; 74. Third thread; 75. Fourth thread. Detailed Implementation

[0022] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0023] like Figures 1-3 As shown, this embodiment proposes an assembled grouting sleeve assembly, including a foundation body 1, a pad 2 fixedly connected to the upper end of the foundation body 1, a column body 3 fixedly connected to the upper end of the pad 2, a pre-embedded steel bar 5 penetrating the upper end of the pad 2, a column main reinforcement bar 6 penetrating the upper end of the column body 3, a sleeve body 4 provided at the upper end of the pad 2, and a sealing component 7 provided on the outer side of the sleeve body 4 for sealing the opening on the outer side of the sleeve body 4.

[0024] Furthermore, a first placement groove 41 is formed at the lower end of the sleeve body 4, and a second placement groove 42 is formed at the upper end of the sleeve body 4. A through hole 43 is formed between the first placement groove 41 and the second placement groove 42. A grouting hole 44 is formed through the outer side of the lower end of the sleeve body 4, and a grout outlet hole 45 is formed through the outer side of the upper end of the sleeve body 4. The grouting hole 44 is connected to the first placement groove 41, and the grout outlet hole 45 is connected to the second placement groove 42. The grouting hole 44 facilitates the injection of grout into the first placement groove 41 inside the sleeve body 4, and the grout in the first placement groove 41 can enter the second placement groove 42 through the through hole 43. After the grout fills the second placement tank 42, it can overflow to the outside through the second placement tank 42. The sleeve body 4 is made of high-strength ductile iron, and the material should comply with the provisions of GBT1348. The specific performance indicators comply with the "Grouting Sleeve for Reinforcing Steel Connection" JG / T398-2012. The grout injected into the sleeve body 4 is high-strength non-shrink cement grout, and its 28-day compressive strength is >100Mpa. The other technical indicators comply with the provisions of "Grouting Material for Sleeve for Reinforcing Steel Connection" JG / T408-2013 and "Technical Specification for Precast Assembled Bridge Piers" DG / T08-2160-2015.

[0025] Furthermore, the sleeve body 4 is evenly distributed inside the column body 3. The upper end of the pre-embedded steel bar 5 is located inside the first placement groove 41, and the lower end of the pre-embedded steel bar 5 passes through the inside of the pad layer 2 and is fixed inside the foundation body 1. The lower end of the column main reinforcement 6 is located inside the second placement groove 42, and the upper end of the column main reinforcement 6 passes through the inside of the column body 3. The pre-embedded steel bar 5 is used to reinforce the connection between the column body 3 and the foundation body 1, and the column main reinforcement 6 is used to enhance the strength of the column body 3.

[0026] Furthermore, the sealing assembly 7 includes a cap 71 disposed outside the grouting hole 44 and the grout outlet 45. A round rod 72 is fixedly connected to the inner wall of the cap 71, and a cavity 73 is formed between the cap 71 and the round rod 72. A first thread 711 is fixedly connected to the inner wall of the cap 71, and a second thread 721 is fixedly connected to the outer surface of the round rod 72. A third thread 74 is fixedly connected to the outer wall of both the grouting hole 44 and the grout outlet 45, and a fourth thread 75 is fixedly connected to the inner wall of both the grouting hole 44 and the grout outlet 45. The cavity 73 corresponds to the pipe wall of the grouting hole 44 and the grout outlet 45. The first thread 711 is threadedly connected to the third thread 74, and the second thread 721 is threadedly connected to the fourth thread 75. The presence of the cap 71 and the round rod 72 is used to seal the inlet of the grouting hole 44 to prevent grout leakage. The presence of the cap 71 and the round rod 72 can also be used to seal the outlet of the grout outlet 45 to prevent grout leakage.

[0027] The working principle and usage instructions of this utility model are as follows: When the entire device needs to be installed, the worker first needs to insert the pre-embedded steel bar 5 through the inside of the pad layer 2 and place it inside the foundation body 1 and fix it so that the pre-embedded steel bar 5 will not separate from the inside of the foundation body 1. Then, the first placement groove 41 in the sleeve body 4 is placed downwards on the upper end of the pre-embedded steel bar 5, and the top of the pre-embedded steel bar 5 abuts against the top wall of the first placement groove 41. Next, the main column reinforcement 6 is vertically placed in the second placement groove 42 in the sleeve body 4. Then, grout can be injected into the first placement groove 41 through the grouting hole 44. After the grout fills the first placement groove 41, The grout will enter the interior of the second placement groove 42 through the through hole 43. After the second placement groove 42 is filled with grout, the grout will flow to the outside along the grout outlet 45 as it moves upward. When there is grout flowing out of the grout outlet 45, the injection of grout into the grouting hole 44 can be stopped. At the same time, the outer wall of the round rod 72 is placed on the inner wall of the grout outlet 45, and the inner wall of the cap 71 is placed on the outer wall of the grout outlet 45 and threaded connection is made to prevent the grout from leaking out through the grout outlet 45 and the grouting hole 44 until the grout solidifies and forms solidification on the pre-embedded steel bar 5 and the main reinforcement bar 6 of the column respectively. Then, the column body 3 is grouted and solidified on the outside of the multiple sets of main reinforcement bars 6, thus completing the installation of the device.

[0028] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A prefabricated grouting sleeve assembly, comprising a foundation body (1), wherein a pad layer (2) is fixedly connected to the upper end of the foundation body (1), and a column body (3) is fixedly connected to the upper end of the pad layer (2), characterized in that, The upper end of the cushion layer (2) is provided with a pre-embedded steel bar (5), the upper end of the column body (3) is provided with a column main bar (6), the upper end of the cushion layer (2) is provided with a sleeve body (4), and the outer side of the sleeve body (4) is provided with a sealing component (7) for sealing the opening on the outer side of the sleeve body (4).

2. The assembled grouting sleeve assembly according to claim 1, characterized in that, The lower end of the sleeve body (4) is provided with a first placement groove (41), the upper end of the sleeve body (4) is provided with a second placement groove (42), a through hole (43) is provided between the first placement groove (41) and the second placement groove (42), a grouting hole (44) is provided through the outer side of the lower end of the sleeve body (4), and a grout outlet hole (45) is provided through the outer side of the upper end of the sleeve body (4).

3. The assembled grouting sleeve assembly according to claim 2, characterized in that, The grouting hole (44) is connected to the first placement groove (41), and the grout outlet hole (45) is connected to the second placement groove (42).

4. The assembled grouting sleeve assembly according to claim 1, characterized in that, The sleeve body (4) is evenly distributed inside the column body (3).

5. The assembled grouting sleeve assembly according to claim 1, characterized in that, The upper end of the pre-embedded steel bar (5) is located inside the first placement groove (41), and the lower end of the pre-embedded steel bar (5) passes through the inside of the pad layer (2) and is fixed inside the foundation body (1).

6. The assembled grouting sleeve assembly according to claim 1, characterized in that, The lower end of the main column reinforcement (6) is located inside the second placement groove (42), and the upper end of the main column reinforcement (6) passes through the interior of the column body (3).

7. The assembled grouting sleeve assembly according to claim 1, characterized in that, The sealing assembly (7) includes a cap (71) disposed outside the grouting hole (44) and the grout outlet (45). A round rod (72) is fixedly connected to the inner wall of the cap (71). There is a cavity (73) between the cap (71) and the round rod (72). A first thread (711) is fixedly connected to the inner wall of the cap (71). A second thread (721) is fixedly connected to the outer surface of the round rod (72). A third thread (74) is fixedly connected to the outer wall of both the grouting hole (44) and the grout outlet (45). A fourth thread (75) is fixedly connected to the inner wall of both the grouting hole (44) and the grout outlet (45).

8. A prefabricated grouting sleeve assembly according to claim 7, characterized in that, The cavity (73) corresponds to the pipe wall of the grouting hole (44) and the grout outlet hole (45). The first thread (711) is threadedly connected to the third thread (74), and the second thread (721) is threadedly connected to the fourth thread (75).

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