Connecting and positioning structure for special-shaped column pouring

Abstract

The utility model provides a connecting and positioning structure for pouring a special-shaped column. The connecting and positioning structure comprises a reinforcing mesh, a template and a plurality of positioning pieces, the reinforcing mesh is arranged in the horizontal direction and comprises a lower reinforcing steel bar layer and an upper reinforcing steel bar layer. The lower reinforcing steel bar layer comprises a plurality of first reinforcing steel bars parallel to one another and a plurality of second reinforcing steel bars parallel to one another; the first reinforcing steel bars intersect with the second reinforcing steel bars; the templates are connected end to end and surround the end part of the reinforcing mesh; the plurality of positioning pieces are respectively arranged between the lower reinforcing steel bar layer and the upper reinforcing steel bar layer, each positioning piece is jointly positioned by one first reinforcing steel bar and one second reinforcing steel bar, and the first reinforcing steel bars and the second reinforcing steel bars respectively penetrate through the corresponding positioning pieces. The connecting and positioning structure for pouring the special-shaped column can achieve accurate positioning according to the shape of the special-shaped column, and is simple in structure, convenient to operate and manufacture and high in construction efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a connection and positioning structure for casting special-shaped columns. Background Art

[0002] A special-shaped column refers to a column with a cross-section of different geometric shapes according to the requirements of building use functions and building design layouts on the premise of meeting requirements such as structural stiffness and bearing capacity, such as columns with cross-sections in the shapes of T, L, Z, cross, etc., and columns with a ratio of limb height to limb thickness of each limb not greater than 4. The limb thickness of the special-shaped column usually remains the same as the wall thickness, avoiding the column protruding from the wall, making the interior of the building beautiful and indirectly increasing the usable space of the room. Therefore, special-shaped columns have irreplaceable advantages in building use functions and are very popular among users and developers, so they are widely used in actual projects. For ordinary reinforced concrete special-shaped columns, the steel bars are tied into their corresponding shapes according to the shape of the special-shaped column. However, there is no simple and easy-to-operate structure for accurately positioning the tied steel bars according to the shape of the special-shaped column.

[0003] How to solve the problems in the above-mentioned prior art is the topic faced by the utility model. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a connection and positioning structure for casting special-shaped columns, which can achieve accurate positioning according to the shape of the special-shaped column, has a simple structure, is convenient to operate and manufacture, and has high construction efficiency.

[0005] The utility model is achieved by the following measures: A connection and positioning structure for casting special-shaped columns includes a steel bar mesh, a formwork, and a plurality of positioning members;

[0006] The steel bar mesh is arranged horizontally, and the steel bar mesh includes a lower steel bar layer and an upper steel bar layer; the lower steel bar layer includes a plurality of first steel bars parallel to each other, and the lower steel bar layer includes a plurality of second steel bars parallel to each other; the first steel bars and the second steel bars intersect with each other;

[0007] The formwork is connected end to end and surrounds the end of the steel bar mesh;

[0008] A plurality of the positioning members are respectively arranged between the lower steel bar layer and the upper steel bar layer. Each positioning member is jointly positioned by one of the first steel bars and one of the second steel bars, and the first steel bar and the second steel bar respectively penetrate through the corresponding positioning member;

[0009] During installation:

[0010] When the positioning member is only connected to the first steel bar, the positioning member and the first steel bar are in sliding fit with each other;

[0011] When the positioning member is only connected to the second steel bar, the positioning member and the second steel bar are in sliding fit with each other.

[0012] Another specific feature of the present utility model is that the positioning member includes an L-shaped member and at least two through holes, one of the through holes penetrates through one side plate of the L-shaped member, and the other through hole penetrates through the other side plate of the L-shaped member.

[0013] Another specific feature of the present utility model is that the first steel bar and the second steel bar are perpendicular to each other.

[0014] Another specific feature of the present utility model is that two through holes are respectively formed on each side plate of the L-shaped member, and the central connection line of the two through holes on the same side plate is parallel to the intersection line of the two side plates.

[0015] Another specific feature of the present utility model is that the through holes on the two side plates are symmetrically arranged along the intersection line of the two side plates.

[0016] Another specific feature of the present utility model is that the formwork includes four limiting plates and four corner connectors;

[0017] The limiting plates are placed vertically, and the four limiting plates are connected end to end to form a rectangle;

[0018] One corner connector is arranged between two adjacent limiting plates;

[0019] Both ends of the lower steel bar layer and both ends of the upper steel bar layer respectively penetrate through the limiting plates.

[0020] Another specific feature of the present utility model is that the limiting plate includes a first limiting plate and a second limiting plate; the first limiting plate is parallel to the second steel bar, and the second limiting plate is parallel to the first steel bar;

[0021] One end of the lower steel bar layer penetrates through one of the second limiting plates, and the other end of the lower steel bar layer penetrates through the other second limiting plate;

[0022] One end of the upper steel bar layer penetrates through one of the first limiting plates, and the other end of the upper steel bar layer penetrates through the other first limiting plate.

[0023] Another specific feature of the present utility model is that the first limiting plate includes a first upper limiting plate and a first lower limiting plate, and the position where the upper steel bar layer penetrates through the first limiting plate is at the joint of the first upper limiting plate and the first lower limiting plate.

[0024] Specific features of the present utility model further include that the second limiting plate includes a second upper limiting plate and a second lower limiting plate, and the position where the lower steel bar layer penetrates through the second limiting plate is located at the junction of the second upper limiting plate and the second lower limiting plate.

[0025] Specific features of the present utility model further include that connection grooves penetrating through the top surface and the bottom surface are respectively formed on the end faces at both ends of the limiting plate, and the cross-sectional shape of the corner connecting member is set to be L-shaped. During use, both side ends of the corner connecting member are respectively inserted into two corresponding connection grooves.

[0026] During actual use of the present utility model: The construction method of the connection and positioning structure for casting the special-shaped column includes the following steps:

[0027] Step 1: Connect the first lower limiting plate and the second lower limiting plate in sequence along the cross-sectional shape of the original concrete column to form a square formwork, where two first lower limiting plates are opposite to each other, and two second lower limiting plates are opposite to each other. The adjacent first lower limiting plate and the second lower limiting plate are respectively connected by corner connecting members;

[0028] Step 2: Arrange positioning members at the corners of the special-shaped column to define the shape of the special-shaped column: respectively place the first steel bars at corresponding positions on the second limiting plate to form a lower steel bar layer; arrange a plurality of positioning members on the first steel bars, so that the through holes corresponding to the lower positions on the positioning members are sleeved on the opposite first steel bars. One positioning member is arranged at each corner of the special-shaped column, and the area surrounded by the positioning members is arranged along the edge of the special-shaped column; place the second steel bars at corresponding positions on the first limiting plate, and at the same time penetrate the second steel bars at the corresponding positions through the through holes corresponding to the upper positions on the positioning members to form an upper steel bar layer;

[0029] Step 3: Install the first upper limiting plate between two corresponding corner connecting members on the first lower limiting plate, and install the second upper limiting plate between two corresponding corner connecting members on the second lower limiting plate;

[0030] Step 4: Reserve vertical steel bars within the interval defined by the positioning members, and reserve the vertical steel bars outside the interval defined by the positioning members in a specified or predetermined direction according to the construction requirements;

[0031] Step 5: Reinforce with a reinforcement mechanism outside the formwork. The reinforcement mechanism is an existing technology and will not be elaborated here. Then, pour concrete inside the formwork;

[0032] Step 6: Carry out operations such as steel bar binding, special-shaped column formwork fixing, and reinforcement within the interval defined by the positioning members, and lean the special-shaped column formwork against the outside of the positioning members to pour the special-shaped column.

[0033] The beneficial effects of the present utility model are as follows: A positioning member is provided between the lower steel bar layer and the upper steel bar layer of the present utility model, which can be accurately positioned at the corner according to the shape of the special-shaped column by using the positioning member, and the structure and construction process are simple; A positioning member with an L-shaped cross-section is provided and two through holes are opened on each side plate thereof, which is convenient to operate, and the structure is simple and easy to manufacture; A corner connecting member is provided, and the limiting plate is arranged to be composed of two parts, upper and lower, which is convenient for the disassembly and assembly of the formwork and improves the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic structural diagram of Application Scenario Ⅰ of the present utility model;

[0035] Figure 2 It is a schematic diagram of the local connection relationship of the present utility model;

[0036] Figure 3 It is a schematic structural diagram of the positioning member in the present utility model;

[0037] Figure 4 It is a schematic structural diagram of Application Scenario Ⅱ of the present utility model;

[0038] Figure 5 It is a top view of Application Scenario Ⅱ of the present utility model.

[0039] Among them, the reference numerals are: 1, limiting plate; 101, connecting groove; 2, positioning member; 21, L-shaped member; 22, through hole; 3, corner connecting member; 4, lower steel bar layer; 5, upper steel bar layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0040] In order to clearly illustrate the technical features of the present solution, the present solution will be described below through specific embodiments.

[0041] Refer to Figures 1 to 2 , the present utility model is: A connection and positioning structure for pouring a special-shaped column, including a steel bar mesh, a formwork and a plurality of positioning members 2;

[0042] The steel bar mesh is arranged horizontally, and the steel bar mesh includes a lower steel bar layer 4 and an upper steel bar layer 5; The lower steel bar layer 4 includes a plurality of first steel bars parallel to each other, and the upper steel bar layer 5 includes a plurality of second steel bars parallel to each other; The first steel bars and the second steel bars intersect with each other. Preferably, the first steel bars and the second steel bars are perpendicular to each other;

[0043] The formwork is connected end to end and surrounds the end of the steel bar mesh;

[0044] A plurality of positioning members 2 are respectively arranged between the lower steel bar layer 4 and the upper steel bar layer 5, and each positioning member 2 is jointly positioned by a first steel bar and a second steel bar, and the first steel bar and the second steel bar respectively penetrate through the corresponding positioning member 2;

[0045] When installing:

[0046] When the positioning member 2 is connected only to the first steel bar, the positioning member 2 and the first steel bar are slidably matched with each other;

[0047] When the positioning member 2 is connected only to the second steel bar, the positioning member 2 and the second steel bar are slidably matched with each other.

[0048] According to the shape of the special-shaped column, the positioning piece 3 can be used to accurately position the corner, see Figure 1 , 4 and 5, Figure 1 The middle special-shaped column is L-shaped. Figure 4 and 5 The middle special-shaped column is T-shaped, and vertical steel bars are reserved in the interval defined by the positioning member 3. The reserved steel bars or their directions in other parts are processed accordingly according to the needs.

[0049] See also Figure 3 The positioning member 2 includes an L-shaped member 21 and at least two through holes 22, wherein one through hole 22 passes through one side plate of the L-shaped member 21, and the other through hole 22 passes through the other side plate of the L-shaped member 21. When in use, the L-shaped member 21 is rotated to a suitable position and the steel mesh is passed through the corresponding through holes 21 respectively. It is easy to operate, has a simple structure, and is easy to manufacture.

[0050] Each side plate of the L-shaped member 21 has two through holes 22, and the center line of the two through holes 22 on the same side plate is parallel to the boundary line of the two side plates. Furthermore, the through holes 22 on the two side plates are symmetrically arranged along the boundary line of the two side plates.

[0051] The template includes four limit plates 1 and four corner connectors 3;

[0052] The limiting plates 1 are placed vertically, and four limiting plates 1 are connected end to end to form a rectangle;

[0053] A corner connector 3 is provided between each of two adjacent limit plates 1, which facilitates the disassembly and assembly of the formwork on the one hand, and can increase the sealing of the corner during pouring on the other hand;

[0054] Preferably, connection grooves 101 penetrating the top and bottom surfaces of the limiting plate 1 are respectively provided on the end surfaces at both ends, and the cross-sectional shape of the corner connector 3 is set to be L-shaped. When in use, the two side ends of the corner connector 3 are respectively inserted into the two corresponding connection grooves 101.

[0055] Both ends of the lower steel bar layer 4 and both ends of the upper steel bar layer 5 penetrate the limiting plate 1 respectively.

[0056] The limiting plate 1 includes a first limiting plate and a second limiting plate; the first limiting plate and the second steel bar are parallel to each other, and the second limiting plate and the first steel bar are parallel to each other;

[0057] One end of the lower steel bar layer 4 penetrates through one of the second limiting plates, and the other end of the lower steel bar layer 4 penetrates through the other second limiting plate;

[0058] One end of the upper steel bar layer 5 penetrates through one of the first limiting plates, and the other end of the upper steel bar layer 5 penetrates through the other first limiting plate.

[0059] The first limiting plate includes a first upper limiting plate and a first lower limiting plate, and the position where the upper steel bar layer 5 penetrates through the first limiting plate is located at the junction of the first upper limiting plate and the first lower limiting plate.

[0060] The second limiting plate includes a second upper limiting plate and a second lower limiting plate, and the position where the lower steel bar layer 4 penetrates through the second limiting plate is located at the junction of the second upper limiting plate and the second lower limiting plate.

[0061] When the utility model is actually used: The construction method of the connection and positioning structure for the casting of special-shaped columns includes the following steps:

[0062] Step 1: Arrange the first lower limiting plate and the second lower limiting plate in sequence along the cross-sectional shape of the original concrete column to form a square formwork, where two first lower limiting plates are opposite to each other, and two second lower limiting plates are opposite to each other. The adjacent first lower limiting plate and the second lower limiting plate are respectively connected by the corner connectors 3;

[0063] Step 2: Arrange the positioning members 2 at the corners of the special-shaped column to define the shape of the special-shaped column: Place the first steel bars at the corresponding positions on the second limiting plates to form the lower steel bar layer 4; Arrange a number of positioning members 2 on the first steel bars, so that the through holes 22 corresponding to the lower positions on the positioning members 2 are sleeved on the opposite first steel bars. One positioning member 2 is arranged at each corner of the special-shaped column, and the area surrounded by the positioning members 2 is arranged along the edge of the special-shaped column; Place the second steel bars at the corresponding positions on the first limiting plates, and at the same time penetrate the second steel bars at the corresponding positions through the through holes 22 corresponding to the upper positions on the positioning members 2 to form the upper steel bar layer 5;

[0064] Step 3: Install the first upper limiting plate between the two corresponding corner connectors 3 on the first lower limiting plate, and install the second upper limiting plate between the two corresponding corner connectors 3 on the second lower limiting plate;

[0065] Step 4: Reserve vertical steel bars within the interval defined by the positioning members 2, and reserve the vertical steel bars outside the interval defined by the positioning members 2 in a specified or predetermined direction according to the construction requirements;

[0066] Step 5: Reinforce with a reinforcement mechanism outside the formwork. The reinforcement mechanism is a prior art and will not be elaborated here. Then pour concrete inside the formwork;

[0067] Step Six: Carry out operations such as steel bar binding, special-shaped column formwork fixing and reinforcement within the interval defined by the positioning member 2, lean the special-shaped column formwork against the outside of the positioning member 2, and pour the special-shaped column.

[0068] The technical features not described in the present utility model can be realized by or adopted from the prior art, and will not be elaborated here. Of course, the above description is not a limitation of the present utility model, and the present utility model is not limited to the above examples. Changes, modifications, additions or substitutions made by those of ordinary skill in the art within the substantial scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. A connecting and positioning structure for the casting of special-shaped columns, characterized in that It includes a steel bar mesh, a formwork, and several positioning members; The steel bar mesh is arranged horizontally, and the steel bar mesh includes a lower steel bar layer and an upper steel bar layer; the lower steel bar layer includes several first steel bars that are parallel to each other, and the lower steel bar layer includes several second steel bars that are parallel to each other; the first steel bars and the second steel bars intersect each other; The formwork is enclosed at the end of the steel bar mesh by butting end to end; Several of the positioning members are respectively arranged between the lower steel bar layer and the upper steel bar layer, and each positioning member is jointly positioned by one of the first steel bars and one of the second steel bars, and the first steel bar and the second steel bar respectively penetrate through the corresponding positioning member; During installation: When the positioning member is only connected to the first steel bar, the positioning member and the first steel bar are in sliding fit with each other; When the positioning member is only connected to the second steel bar, the positioning member and the second steel bar are in sliding fit with each other.

2. The connecting and positioning structure for the casting of special-shaped columns according to claim 1, characterized in that The positioning member includes an L-shaped member and at least two through holes, one of the through holes penetrates through one side plate of the L-shaped member, and the other through hole penetrates through the other side plate of the L-shaped member.

3. The connecting and positioning structure for the casting of special-shaped columns according to claim 2, characterized in that, The first steel bar and the second steel bar are perpendicular to each other.

4. The connecting and positioning structure for the casting of special-shaped columns according to claim 3, characterized in that, Two through holes are respectively opened on each side plate of the L-shaped member, and the center connection line of the two through holes on the same side plate is parallel to the intersection line of the two side plates.

5. The connecting and positioning structure for the casting of special-shaped columns according to claim 4, characterized in that, The through holes on the two side plates are symmetrically arranged along the intersection line of the two.

6. The connecting and positioning structure for the casting of special-shaped columns according to claim 3, characterized in that, The formwork includes four limiting plates and four corner connectors; The limiting plates are placed vertically, and the four limiting plates are enclosed to form a rectangle by butting end to end; One corner connector is arranged between adjacent two of the limiting plates; Both ends of the lower steel bar layer and both ends of the upper steel bar layer respectively penetrate through the limiting plates.

7. The connecting and positioning structure for the casting of special-shaped columns according to claim 6, characterized in that, The limiting plate includes a first limiting plate and a second limiting plate; the first limiting plate is parallel to the second steel bar, and the second limiting plate is parallel to the first steel bar; One end of the lower steel bar layer penetrates through one of the second limiting plates, and the other end of the lower steel bar layer penetrates through the other second limiting plate; One end of the upper steel bar layer penetrates through one of the first limiting plates, and the other end of the upper steel bar layer penetrates through the other first limiting plate.

8. The connection and positioning structure for the casting of special-shaped columns according to claim 7, characterized in that, The first limiting plate includes a first upper limiting plate and a first lower limiting plate, and the position where the upper steel bar layer penetrates through the first limiting plate is at the joint of the first upper limiting plate and the first lower limiting plate.

9. The connecting and positioning structure for the casting of special-shaped columns according to claim 7, characterized in that, The second limiting plate includes a second upper limiting plate and a second lower limiting plate, and the position where the lower steel bar layer penetrates through the second limiting plate is at the joint of the second upper limiting plate and the second lower limiting plate.

10. The connecting and positioning structure for the casting of special-shaped columns according to claim 6, characterized in that, Connection grooves penetrating through the top surface and the bottom surface are respectively opened on the end faces at both ends of the limiting plate, the cross-sectional shape of the corner connector is set as an L shape, and during use, the two side end parts of the corner connector are respectively inserted into the corresponding two connection grooves.

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