Base guiding and positioning type concrete prefabricated column assembly structure

Abstract

A base guiding and positioning type concrete prefabricated column assembling structure comprises a first right-angle base body and a second right-angle base body, the first right-angle base body is fixedly placed on the surface of a floor plate and is close to one edge of the upper end face of a lower prefabricated column, and the second right-angle base body is fixedly placed on the surface of the floor plate and is close to the other edge of the upper end face of the lower prefabricated column. The right-angle seat body A and the right-angle seat body B are vertically butted with each other; blind holes are reserved in the bottom face of the prefabricated column, the column steel bar connectors are sleeved with the blind holes in a matched mode, the two side faces of the prefabricated column are attached to the inner side faces of the two right-angle base bodies respectively, a plurality of circular gaskets are evenly placed in the area inside the column steel bar connectors, and the bottom face of the prefabricated column is supported on the circular gaskets. A pouring gap is formed between the upper and lower prefabricated columns; according to the assembling structure, the prefabricated column can be accurately in butt joint with the column steel bar connector below the prefabricated column, the assembling and butt joint process is simple and efficient, repeated position adjustment is not needed, and the mounting efficiency and the assembling precision of the prefabricated column can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated buildings, and in particular to a base-guided positioning type precast concrete column assembly structure. Background Technology

[0002] Precast columns refer to concrete columns that are prefabricated in a factory and assembled on the construction site using reliable connection methods to form the structural system of the building.

[0003] Precast columns are made of high-strength concrete or steel and can withstand high loads, ensuring the stability and safety of buildings. Their production process is subject to strict quality control, including raw material proportioning, concrete pouring, curing, and quality testing, to ensure that the quality of each product is stable and reliable.

[0004] Precast columns have high processing precision, which can ensure the accuracy of size and shape. However, there are problems in the assembly and construction process. Precast columns need to be transported to the construction site for suspension assembly and docking. When docking precast columns, it is impossible to observe the docking holes on the bottom surface. Usually, the docking holes are observed by reflecting a mirror to achieve the fitting and docking. The operation process is complicated and requires repeated adjustments, which restricts the assembly efficiency of precast columns. Utility Model Content

[0005] To address the aforementioned problems, this utility model proposes a base-guided positioning precast concrete column assembly structure.

[0006] The technical solution of this utility model is: a base-guided positioning type precast concrete column assembly structure, including right-angle base A and right-angle base B. Right-angle base A and right-angle base B have the same structure and size. Right-angle base A is fixedly placed on the surface of the floor slab and near one edge of the upper end face of the precast column below. Right-angle base B is fixedly placed on the surface of the floor slab and near the other edge of the upper end face of the precast column below. A limiting guide structure is formed between the two right-angle bases. Right-angle base A and right-angle base B are perpendicularly connected to each other. Blind holes are reserved on the bottom surface of the precast column. These blind holes are matched and fitted onto the column rebar joint. The size of the blind holes is slightly larger than the size of the column rebar joint, so that concrete can enter into the gap between the two. Two sides of the precast column are respectively attached to the inner sides of the two right-angle bases. Several circular shims are evenly placed in the area inside the column rebar joint. The circular shims are concrete shims. The bottom surface of the precast column is supported on these circular shims, so that a pouring gap is formed between the upper and lower precast columns.

[0007] Preferably, the right-angle base A and the right-angle base B have the same structure. Both ends of the right-angle base are provided with reinforcing end plates. The middle of the reinforcing end plates is provided with a large circular hole. Multiple reinforcing plates are arranged side by side in the middle of the right-angle base. The reinforcing plates are vertically fixed to the right-angle base.

[0008] Preferably, the lower end of the precast column is fitted with a square mold frame, and the inner side of the square mold frame forms a sealing surface after contacting the precast column. The square mold frame seals the outside of the pouring gap to form a pouring cavity.

[0009] Preferably, the square frame includes two symmetrically arranged angle iron plates A and two symmetrically arranged angle iron plates B. The angle iron plates A and B have the same cross-sectional dimensions. The angle iron plates A and B are connected end to end to form a square frame. A butt plate is provided at the end face of the angle iron plate B. The butt plate has a through hole. The end of the angle iron plate A also has a through hole. The butt plate and the angle iron plate A are fixedly connected by bolts.

[0010] Preferably, the lower end of the precast column has a plurality of pouring channels that are uniformly provided along its length and communicate with the pouring gap. The lower part of the pouring channel is provided with an injection hole, which is vertically connected to the pouring channel and has a columnar plug inside.

[0011] Preferably, the upper part of the pouring channel is provided with an overflow hole, and a columnar plug is also provided in the overflow hole. The overflow hole and the injection hole are arranged vertically opposite each other.

[0012] Preferably, at least two adjacent sides of the precast column are provided with diagonal bracing rods, the upper end of which is connected to the side of the precast column through a base plate, and the lower end is connected to the floor slab through the base plate.

[0013] The beneficial technical effects of this utility model are:

[0014] This invention places two right-angle supports at the precast column assembly point on the floor slab. The inner sides of the two right-angle supports are on the same vertical plane as the side of the precast column assembly position. When the precast column is suspended and lowered for connection, it is pushed to fit against the inner sides of the two right-angle supports, thus accurately connecting the precast column with the column reinforcement joint below. This simplifies the assembly and connection process, eliminates the need for repeated position adjustments, and effectively improves the installation efficiency and assembly accuracy of the precast column. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the completed assembly of this utility model;

[0016] Figure 2 yes Figure 1 A schematic diagram of the AA-direction cross-section structure;

[0017] Figure 3 yes Figure 2 Schematic diagram of the BB-direction cross-section structure;

[0018] Figure 4 This is a three-dimensional structural diagram of the square mold frame of this utility model;

[0019] Figure 5 This is a schematic diagram of the arrangement structure of the right-angle base of this utility model;

[0020] Figure 6 This is a three-dimensional structural diagram of the present invention after installation with guide supports.

[0021] In the diagram, 1. Floor slab, 21. Right-angled base A, 22. Right-angled base B, 231. Reinforced end plate, 232. Reinforcing plate, 3. Precast column, 31. Column rebar joint, 32. Circular gasket, 33. Pouring gap.

[0022] 4. Square mold frame; 41. Angle iron plate A; 42. Angle iron plate B; 421. Butt plate; 43. Bolt;

[0023] 5. Pouring channel, 51. Overflow hole, 52. Injection hole, 6. Two-way telescopic support rod, 61. Seat plate. Detailed Implementation

[0024] Example 1, see appendix Figure 1-6 A base-guided positioning precast concrete column assembly structure includes a right-angled base A 21 and a right-angled base B 22. Right-angled base A is fixedly placed on the surface of the floor slab 1 near one edge of the upper end face of the precast column 3 below. Right-angled base B 22 is fixedly placed on the surface of the floor slab 1 near the other edge of the upper end face of the precast column 3 below. Right-angled base A 21 and right-angled base B 22 are perpendicularly joined together, forming a guide and limiting base structure at the joint of the precast column 3 on the floor slab 1. Blind holes are pre-drilled on the bottom surface of the precast column 3. The matching sleeve is inserted into the column reinforcement joint 31 to achieve the connection between the upper and lower precast columns 3. Two sides of the precast column 3 are respectively attached to the inner sides of the two right-angle bases. Several circular shims 32 are evenly placed in the area inside the column reinforcement joint 31. The bottom surface of the precast column 3 is supported on these circular shims 32. The circular shims 32 are also made of concrete, so that a pouring gap 33 is formed between the upper and lower precast columns 3. After the concrete is injected into the pouring gap 33, it can be integrated with the circular shims 32 to avoid the circular shims 32 affecting the concrete pouring quality.

[0025] The right-angle base A 21 and right-angle base B 22 have the same structure. Both ends of the right-angle base are provided with reinforcing end plates 231, and multiple reinforcing plates 232 are arranged side by side in the middle of the right-angle base. The structural strength of the right-angle base plate 61 is improved by reinforcing end plates 231 and reinforcing plates 232, so as to ensure that it has sufficient strength to provide guidance and positioning for the precast column 3.

[0026] At least two adjacent sides of the precast column 3 are provided with diagonal bracing rods. The upper end of the diagonal bracing rod is connected to the side of the precast column 3 through the seat plate 61, and the lower end is connected to the floor slab 1 through the seat plate 61. The diagonal bracing rod is a bidirectional telescopic support rod 6. The two ends of the bidirectional telescopic support rod 6 are respectively hinged to the corresponding seat plate 61. The verticality of the precast column 3 can be finely adjusted by the synchronous extension and retraction of the support rod, thereby further improving its assembly accuracy.

[0027] The assembly process of the precast concrete column 3 assembly structure in this embodiment is as follows: two right-angle supports are fixedly placed on the surface of the floor slab 1 at the assembly location of the precast column 3, so that the inner side of the two right-angle supports and the side of the assembly location of the precast column 3 are on the same vertical plane. Then, the precast column 3 is suspended by a crane, moved to the upper part of the corresponding floor, and slowly lowered. When the lower end of the precast column 3 is about to reach the assembly position, it slides into contact with the inner side of the two right-angle supports and slides down along the inner side of the two right-angle supports. This process provides guidance and limitation for the precast column 3 through the two right-angle supports, so the precast column 3 can be accurately connected with the column reinforcement joint 31 below. The assembly and connection process is simple and efficient, without the need for repeated position adjustment, which can effectively improve the installation efficiency and assembly accuracy of the precast column 3.

[0028] Example 2, see appendix Figure 1-4 This embodiment is basically the same as Embodiment 1, and the similarities will not be repeated. The difference is that: the lower end of the precast column 3 is fitted with a square mold frame 4, which seals the outside of the pouring gap 33 to form a pouring cavity. This pouring cavity is used to pour concrete to reinforce and connect the upper and lower precast columns 3. The square mold frame 4 includes two symmetrically arranged angle iron plates A 41 and two symmetrically arranged angle iron plates B 42. The angle iron plates A 41 and B 42 are connected end to end to form a square frame. A butt plate 421 is provided at the end face of the angle iron plate B 42. The butt plate 421 and the angle iron plate A 41 are fixedly connected by bolts 43.

[0029] After the precast column 3 is suspended and assembled, angle iron plate A 41 and angle iron plate B 42 are placed around the outside of the precast column 3 in sequence. The bottom surface of the angle iron plate is attached to the surface of the floor slab 1, and the inner side is attached to the side of the precast column 3 to form a sealed structure for the pouring cavity. Then, bolts 43 are used to fix the angle iron plates together to form a whole, sealing the pouring gap 33 into a concrete pouring cavity.

[0030] The lower end of the precast column 3 has several pouring channels 5 that are uniformly arranged along its length and communicate with the pouring gap 33. The lower part of the pouring channel 5 is provided with an injection hole 52, and a columnar plug is provided in the injection hole 52. The upper part of the pouring channel 5 is provided with an overflow hole 51, and a columnar plug is also provided in the overflow hole 51.

[0031] When pouring concrete into the pouring cavity, remove the cylindrical plugs from the injection hole 52 and overflow hole 51, and then inject concrete into the pouring channel 5 through the injection hole 52. The concrete flows downward into the pouring cavity. When the pouring cavity is full, the concrete will overflow upward from the pouring channel 5 and flow out from the overflow hole 51. When the construction personnel see the concrete flowing out, stop pouring and insert the cylindrical plugs into each injection hole 52 and overflow hole 51 in sequence. After the pouring construction is completed, the assembly strength of the precast column 3 is improved by the solidification of the concrete, thereby improving the assembly construction quality.

Claims

1. A base-guided positioning type precast concrete column assembly structure, characterized in that: The system includes right-angle base A and right-angle base B. Right-angle base A is fixedly placed on the surface of the floor slab and near one edge of the upper end face of the precast column below. Right-angle base B is fixedly placed on the surface of the floor slab and near the other edge of the upper end face of the precast column below. Right-angle base A and right-angle base B are perpendicularly connected to each other. Blind holes are reserved on the bottom surface of the precast column. These blind holes are fitted into the column reinforcement joint. Two sides of the precast column are respectively attached to the inner sides of the two right-angle bases. Several circular shims are evenly placed in the area inside the column reinforcement joint. The bottom surface of the precast column is supported on these circular shims, so that a casting gap is formed between the upper and lower precast columns.

2. The base-guided positioning type precast concrete column assembly structure according to claim 1, characterized in that: The right-angle base A and right-angle base B have the same structure. Both ends of the right-angle base are provided with reinforcing end plates, and multiple reinforcing plates are arranged side by side in the middle of the right-angle base.

3. The base-guided positioning type precast concrete column assembly structure according to claim 1, characterized in that: The lower end of the precast column is fitted with a square mold frame, which seals the outside of the pouring gap to form a pouring cavity.

4. The base-guided positioning type precast concrete column assembly structure according to claim 3, characterized in that: The square frame includes two symmetrically arranged corner iron plates A and two symmetrically arranged corner iron plates B. The corner iron plates A and B are connected end to end to form a square frame. A butt plate is provided at the end face of the corner iron plate B. The butt plate and the corner iron plate A are fixedly connected by bolts.

5. The base-guided positioning type precast concrete column assembly structure according to claim 1, characterized in that: The lower end of the precast column has several pouring channels that are uniformly arranged along its length and communicate with the pouring gap. The lower part of the pouring channel is provided with an injection hole, and a columnar plug is provided in the injection hole.

6. The base-guided positioning type precast concrete column assembly structure according to claim 5, characterized in that: The upper part of the pouring channel is provided with an overflow hole, and a cylindrical plug is also provided in the overflow hole.

7. The base-guided positioning type precast concrete column assembly structure according to claim 1, characterized in that: At least two adjacent sides of the precast column are provided with diagonal bracing rods. The upper end of the diagonal bracing rod is connected to the side of the precast column through a base plate, and the lower end is connected to the floor slab through the base plate.

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