Plugging device for concrete beams with different grades

Abstract

The utility model relates to the technical field of building construction, in particular to a plugging device for concrete beams with different mark numbers, which comprises a frame body, the frame body consists of a plurality of pipe fittings, a left group of pipe fittings and a right group of pipe fittings of transverse steel pipes are arranged at an angle of 45 degrees in a high-low manner, and two-way sleeves are arranged at joints of vertical steel pipes, the transverse steel pipes and lower transverse rods. The concrete beam plugging device is suitable for plugging parts of concrete beams of different grades, is easy and convenient to operate, low in manufacturing cost and convenient to carry, adopts brushes for plugging, can be obliquely arranged according to standard requirements, can be recycled, and is high in brush turnover rate, convenient to use and high in practicability. The brush is simple and convenient to operate, the sealing slurry is dense, the effects of convenience in assembly and disassembly, good plugging effect, high utilization rate, one-time input, multiple operation and tight plugging can be effectively achieved, and the construction survival effect meets the standard requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a blocking device for concrete beams of different grades. Background Art

[0002] After searching the Chinese patent document with the existing announcement number CN217537912U, a device for preventing different grades of concrete from being mixed at the node is disclosed, including multiple detachable expansion sleeves and extrusion columns arranged between the beam reinforcements at the node, the extrusion columns can be correspondingly inserted into the expansion sleeves so that the expansion sleeves expand and block the cross-section at the beam-column node. The device arranges expansion sleeves and matching extrusion columns, and utilizes the front and rear volume difference of the matching extrusion columns inserted into multiple side-by-side expansion sleeves, so that the expansion sleeves abut against each other at the node and wrap the beam reinforcement to form a closed barrier surface, avoid the generation of construction cold joints, improve the barrier effect, and effectively prevent the mixing of different grades of concrete at the node. Workers can freely allocate and install expansion sleeves according to the actual beam reinforcement spacing, thereby expanding the scope of application of the device, and it is very convenient to disassemble and assemble, thereby improving work efficiency. The device can be repeatedly used, and at the same time, the device structure is simplified and the manufacturing cost is reduced.

[0003] In general structures, the concrete of columns and walls is of the same grade, and the concrete of beams, slabs and stairs is of the same grade. Especially in the lower floors of the building, the concrete grades of beams and columns are basically different. According to the second sub-clause 8.3.8 of the "Concrete Structure Engineering Construction Code GB50666-2011", when the design strength of column and wall concrete is two grades or more higher than that of beam and slab concrete, separation measures should be taken in the junction area. The separation position should be in the low-strength grade component, and should not be less than 500mm and beam height / 2 away from the edge of the high-strength grade component. According to the principle of "strong columns and weak beams, strong shear and weak bending, strong nodes and weak components" in structural seismic design, since the bottom of the building bears a relatively large load and the beam-column node is a weak link, whether from the design perspective or the capital cost perspective, it is generally inevitable that the concrete grade of columns and walls is higher than that of beams and slabs during design. Therefore, taking necessary measures to control the quality of beam-column nodes is a very important link in engineering construction.

[0004] In some current large-scale high-rise building projects, it is very common that the concrete strength grade of walls and columns is higher than that of beams and slabs. According to the requirements of GB50666-2011 "Code for Construction of Concrete Structures", when the designed strength of column and wall concrete is two grades or more higher than that of beam and slab concrete, separation measures should be taken in the junction area. Inadequate sealing will not only affect the surface appearance of the concrete, but also affect the quality and overall strength of concrete components. In the existing construction process, using airbags as a sealing measure has problems such as high labor costs, high material costs, high requirements for the quality of workers, complex operations, delaying the construction period, and the airbag sealing being a straight joint, while the code requires a 45-degree angle, etc. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a sealing device for concrete beams with different grades, aiming to solve the technical problems such as high labor costs, high material costs, high requirements for the quality of workers, complex operations, delaying the construction period, and the airbag sealing being a straight joint, while the code requires a 45-degree angle, etc. in the existing construction process.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A sealing device for concrete beams with different grades of the present invention includes a frame body, and the frame body is composed of multiple pipe fittings. The frame body includes vertical steel pipes, horizontal steel pipes and lower horizontal rods. The vertical steel pipes and horizontal steel pipes are in two groups and are symmetrically arranged left and right. The left and right groups of pipe fittings of the horizontal steel pipes are arranged at a 45-degree angle, one high and one low. Bidirectional sleeves are provided at the joints of the vertical steel pipes, horizontal steel pipes and lower horizontal rods. A fastening screw is provided on one side surface of the bidirectional sleeve. Multiple fixed square pipes are provided on the top surface of the horizontal steel pipe. Card slots are provided on the bottom surfaces of both ends of the fixed square pipe. A handle is provided on the top surface of the fixed square pipe. Heat preservation pipes are provided on the bottom surfaces of the outermost ends of the multiple fixed square pipes. Sealing brush layers are provided on the bottom surfaces of the middle fixed square pipes of the multiple fixed square pipes.

[0008] As a further description of the above technical solution:

[0009] The vertical steel pipes, horizontal steel pipes and lower horizontal rods are connected and fixed through bidirectional sleeves and fastening screws. The bidirectional sleeves are provided in eight groups and are respectively placed at the joints of the vertical steel pipes, horizontal steel pipes and lower horizontal rods, so that the vertical steel pipes, horizontal steel pipes and lower horizontal rods form a cuboid truss.

[0010] As a further description of the above technical solution:

[0011] The horizontal steel pipe and the fixed square pipe are spliced and assembled. The fixed square pipe is fixed to the top surface of the horizontal steel pipe through the card slots at both ends. The fixed square pipe and the handle are movably connected, and the handle can be rotated and adjusted.

[0012] As a further description of the above technical solution:

[0013] The heat preservation pipes are arranged at both ends of multiple groups of fixed square pipes, and the heat preservation pipes are composed of middle steel bars and rubber and plastic layers.

[0014] The utility model has the following beneficial effects:

[0015] In the utility model, by plugging the parts applicable to concrete beams of different grades, the device is easy to operate, low in manufacturing cost, convenient to carry, uses a brush for plugging, can be obliquely arranged according to the specification requirements, can be recycled, has a high turnover rate of the brush, can be washed clean with water after construction, the brush is easy to operate, the grout is dense, can effectively achieve convenient installation and disassembly, good plugging effect, high utilization rate, one-time investment, multiple operations, tight plugging, and the construction completion effect meets the specification requirements. Description of the Drawings

[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the drawings:

[0017] Figure 1 is the overall structural schematic diagram of the utility model;

[0018] Figure 2 is the left view schematic diagram of the overall structure of the utility model;

[0019] Figure 3 is the right view schematic diagram of the overall structure of the utility model;

[0020] Figure 4 is the top view schematic diagram of the overall structure of the utility model;

[0021] In the figure: 1, vertical steel pipe; 2, horizontal steel pipe; 3, lower horizontal rod; 4, bidirectional sleeve; 5, fastening screw; 6, fixed square pipe; 7, card slot; 8, handle; 9, heat preservation pipe; 10, plugging brush layer. Detailed Embodiments

[0022] The following is a description of the preferred embodiments of the utility model with reference to the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0023] Among them, the same reference numerals in the drawings all refer to the same components.

[0024] Example 1

[0025] Reference Figures 1-4 The utility model provides an embodiment: a sealing device for concrete beams of different grades, including a frame, which is composed of multiple pipe fittings, the frame including a vertical steel pipe 1, a horizontal steel pipe 2 and a lower horizontal rod 3, the vertical steel pipe 1 and the horizontal steel pipe 2 are two groups, symmetrically arranged on the left and right, the left and right groups of pipe fittings of the horizontal steel pipe 2 are arranged at a 45-degree angle, one high and one low, the vertical steel pipe 1, the horizontal steel pipe 2 and the lower horizontal rod 3 are connected at a bidirectional sleeve 4, a fastening screw 5 is arranged on one side of the bidirectional sleeve 4, a plurality of groups of fixed square pipes 6 are arranged on the top surface of the horizontal steel pipe 2, the bottom surfaces of both ends of the fixed square pipe 6 are provided with a card groove 7, the top surface of the fixed square pipe 6 is provided with a handle 8, the bottom surfaces of the fixed square pipes 6 at the outermost ends of the plurality of groups of fixed square pipes 6 are provided with an insulation pipe 9, and the bottom surfaces of the fixed square pipes 6 in the middle of the plurality of groups of fixed square pipes 6 are provided with a sealing brush layer 10.

[0026] The vertical steel pipe 1, the transverse steel pipe 2 and the lower transverse rod 3 are connected and fixed by means of a bidirectional sleeve 4 and a fastening screw 5. The bidirectional sleeve 4 is provided in eight groups and is respectively placed at the connection between the vertical steel pipe 1, the transverse steel pipe 2 and the lower transverse rod 3, so that the vertical steel pipe 1, the transverse steel pipe 2 and the lower transverse rod 3 form a rectangular truss.

[0027] The transverse steel tube 2 and the fixed square tube 6 are spliced ​​and assembled, and the fixed square tube 6 is fixed to the top surface of the transverse steel tube 2 through the clamping grooves 7 at both ends. The fixed square tube 6 and the handle 8 are movably connected, and the handle 8 can be rotated and adjusted.

[0028] The heat-insulating pipe 9 is arranged at the two ends of the plurality of fixed square pipes 6, and the heat-insulating pipe 9 is composed of a middle steel bar and a rubber-plastic layer.

[0029] Specifically, its structure is composed of a vertical steel pipe 1, a horizontal steel pipe 2, a lower horizontal rod 3, a double-sided sleeve 4, a fastening screw 5, a fixed square pipe 6, a card slot 7, a handle 8, a thermal insulation pipe 9, and a plugging brush layer 10 to form a plugging device for concrete beams with different grades. The framework of the plugging device for concrete beams with different grades is formed by the vertical steel pipe 1, the horizontal steel pipe 2, and the lower horizontal rod 3, which plays a role in supporting and stabilizing. The double-sided sleeve 4 is sleeved on the main framework and can be adjusted according to the usage requirements. It can be adjusted horizontally and bidirectionally. After adjusting the elevation, the double-sided sleeve 4 is reinforced by the fastening screw 5. The fixed square pipe 6 is used to fix the handle 8 to play a stabilizing role. The card slot 7 is used to be placed on the horizontal steel pipe 2 of the main framework and can be slid to adjust the position. The handle 8 can rotate 90°, and the angle can be changed according to the usage requirements. The thermal insulation pipe 9 mainly has templates on both sides, and the plugging brush layer 10 cannot rotate. Due to the elasticity of the rubber and plastic thermal insulation pipe, it can be effectively plugged when being extruded. The plugging brush layer 10 is inserted vertically along the longitudinal joint, rotated at the required angle, and can be fastened outside the steel bar when encountering the steel bar. Then, the plugging brush layers 10 in two directions cross to form an interlocking state, effectively plugging the concrete. The plugging device for concrete beams with different grades can greatly save labor and material costs, and is applicable to the plugging of concrete beams with different grades. The overall operation is simple, the installation and disassembly of each component are convenient and light, there are no safety factors, and the overall use efficiency is improved.

[0030] Working principle: A steel bar is used as the main shaft, and a double-layer plugging brush layer 10 is installed in a straight shape on both sides. The upper end of the main shaft steel bar is fixedly installed with a handle 8. The handle 8 is fixed by a fixed square pipe 6. Card slots 7 are arranged at both ends of the fixed square pipe 6 for overall fixation. When the handle rotates 90°, the plugging brush layer 10 also rotates 90°. Because the steel bars in the beam are relatively dense, the plugging brush layer 10 is inserted into the steel bar gaps in a straight shape. When all the steel bar gaps are inserted with brushes, the gaps on both sides are blocked by the template on one side, and the rotation of the plugging brush layer 10 is blocked. By using a steel bar main shaft plus a rubber and plastic thermal insulation pipe 9, the side can be directly filled. Because the rubber and plastic thermal insulation pipe 9 is circular, it does not affect rotation. A steel pipe framework is uniformly installed, and the steel pipe framework plays a role in stabilizing all the plugging brush layers 10. All the plugging brush layers 10 are fixed and stabilized, and then the plugging brush layer 10 is rotated 90° in sequence. The plugging brush layers 10 cross to form an interlock, thereby ensuring the plugging effect. The rigidity of the steel bar, the 90° rotation of the handle 8, and the flexibility of the plugging brush layer 10 are combined to effectively plug, thus achieving an effective effect. The operation is simple and the effect is very good. It can not only effectively plug but also make the construction effect meet the specification requirements. The double-row plugging brush layer 10 has a gap of several centimeters, which is convenient for taking out the plugging brush layer 10.

[0031] Usage process: For a single plugging brush layer 10, install the brushes with a length of 4 - 6 cm on both sides of the main shaft steel bars in a straight line, determined according to the size of the beam. The bottom steel bars are pointed, which can insert into the formwork and are not prone to displacement. Install handles 8 on the upper part of the steel bars. Use fixed square tubes 6 to fix the two made handles 8, the plugging brush layer 10 and the steel bars. The two ends of the fixed square tube 6 are made into a groove 7 shape, which can not only be fixed on the steel pipe frame, but also can slide left and right because the main support is a round tube, used to adjust the position. The steel pipe support consists of four vertical steel pipes 1 with a diameter of 3 cm as the main vertical frames, composed of two layers. The upper layer is at a 45° angle. There are double sleeves 4 at each of the four corners of each layer to sleeve the main vertical steel pipes 1, which can be lifted and fixed. During construction, it can be adjusted according to the width and height of the beam. The plugging brush layer 10 is inserted successively along the steel bar seams. Finally, it is uniformly reinforced with a steel pipe frame. Rotate the handle 8 by 90°, so that the plugging brush layer 10 is arranged in a straight line, and the plugging brush layer 10 is cross-connected into one body to form an interlock, effectively plugging the concrete. After the plugging brush layer 10 is taken out, there is a little gap. The later-poured concrete has a certain fluidity, and it can be compacted by gently vibrating with a vibrating rod.

[0032] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A plugging device for concrete beams of different grades, comprising a frame, wherein the frame is composed of a plurality of pipes, characterized in that: The frame comprises a vertical steel pipe (1), a transverse steel pipe (2) and a lower transverse rod (3), wherein the vertical steel pipe (1) and the transverse steel pipe (2) are in two groups and are symmetrically arranged on the left and right sides. The left and right groups of pipe fittings of the transverse steel pipe (2) are arranged at an angle of 45 degrees, one high and one low. A bidirectional sleeve (4) is arranged at the connection between the vertical steel pipe (1), the transverse steel pipe (2) and the lower transverse rod (3). A fastening screw (5) is arranged on one side surface of the bidirectional sleeve (4). A plurality of groups of fixed square pipes (6) are arranged on the top surface of the transverse steel pipe (2). The bottom surfaces of both ends of the fixed square pipe (6) are provided with a clamping groove (7). The top surface of the fixed square pipe (6) is provided with a handle (8). The bottom surfaces of the fixed square pipes (6) at the outermost ends of the plurality of groups of fixed square pipes (6) are provided with a heat preservation pipe (9). The bottom surfaces of the fixed square pipes (6) in the middle of the plurality of groups of fixed square pipes (6) are provided with a sealing brush layer (10).

2. A plugging device for concrete beams of different grades according to claim 1, characterized in that: The vertical steel pipe (1), the transverse steel pipe (2) and the lower transverse rod (3) are connected and fixed by means of bidirectional sleeves (4) and fastening screws (5). The bidirectional sleeves (4) are arranged in eight groups and are respectively placed at the connection points of the vertical steel pipe (1), the transverse steel pipe (2) and the lower transverse rod (3), so that the vertical steel pipe (1), the transverse steel pipe (2) and the lower transverse rod (3) form a rectangular parallelepiped truss.

3. The plugging device for concrete beams of different grades according to claim 1, characterized in that: The transverse steel tube (2) and the fixed square tube (6) are spliced ​​and assembled, and the fixed square tube (6) is fixed to the top surface of the transverse steel tube (2) through the clamping grooves (7) at both ends. The fixed square tube (6) and the handle (8) are movably connected, and the handle (8) can be rotated and adjusted.

4. The plugging device for concrete beams of different grades according to claim 1, characterized in that: The thermal insulation pipe (9) is arranged at the two ends of a plurality of groups of fixed square pipes (6), and the thermal insulation pipe (9) is composed of a middle steel bar and a rubber-plastic layer.

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