Embedded groove external pulling fixing structure for pipe gallery pouring

Abstract

The utility model discloses a pre-embedded groove outward-pulling fixing structure for pipe gallery pouring, which comprises two templates and a plurality of steel reinforcement frameworks between the templates, and a plurality of pre-embedded grooves which are distributed at equal intervals in the longitudinal direction are uniformly distributed on the inner side of each template. A plurality of anchor bolts which are arranged in a longitudinal queue along the axial section of the formwork are arranged between the steel reinforcement framework and the adjacent formwork, the anchor bolts in the same column correspond to the same embedded groove and are fixedly connected with the inner side of the corresponding embedded groove, and each anchor bolt is fixedly connected with the corresponding steel reinforcement framework. A plurality of open holes which correspond to the same embedded groove and are evenly distributed in the longitudinal direction are formed in each formwork, a plurality of connecting columns which are evenly distributed along the axial section of the formwork are arranged on the side, close to the formwork, of the embedded groove, the connecting columns correspond to the open holes in a one-to-one mode, and one ends of the connecting columns penetrate through the open holes to protrude out of the formwork. Threads and nuts matched with the threads are arranged on column bodies of the connecting columns. The embedded groove can be ensured to abut against the formwork, and the embedded groove can be widely applied to the construction field of comprehensive pipe galleries and cable tunnels.

Description

Technical Field

[0001] The utility model relates to the construction of an integrated pipe gallery and a cable tunnel, in particular to an external pulling and fixing structure for an embedded channel used in the pouring of the pipe gallery. Background Art

[0002] Embedded channels in an integrated pipe gallery and a cable tunnel are embedded in the structures of the pipe gallery and the cable tunnel. After the concrete for the embedded pouring is cured, brackets are installed on the embedded channels, and pipelines are arranged on the brackets. The embedded channels and the pipe gallery steel bars are buried in the pipe gallery structure. The outer side of the embedded channel needs to be flush with the inner side of the pipe gallery. However, in the current construction process, the conventional method is to fix the channel on the steel bars, and the installation of the channel often fails to fit the formwork, resulting in the need to break the wall to find the channel after the concrete pouring is completed, increasing the workload and affecting the project quality.

[0003] Therefore, an external pulling and fixing structure for an embedded channel used in the pouring of the pipe gallery is needed to improve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies of the above background art and provide an external pulling and fixing structure for an embedded channel used in the pouring of the pipe gallery, which can ensure that the embedded channel abuts against the formwork. After the formwork is removed after pouring, the embedded channel can be directly used without breaking the wall to find the embedded channel.

[0005] An external pulling and fixing structure for an embedded channel used in the pouring of the pipe gallery provided by the utility model includes two vertically arranged formworks. A plurality of steel bar skeletons are vertically arranged between the two formworks. A plurality of longitudinally arranged embedded channels are evenly distributed on the inner side of each formwork. The plurality of embedded channels are longitudinally equidistantly distributed. A plurality of anchor bolts are arranged along the axial section of the formwork between the steel bar skeleton and the adjacent formwork. The plurality of anchor bolts are arranged in a plurality of longitudinal queues. The anchor bolts in the same column correspond to the same embedded channel and are fixedly connected to the inner side of the corresponding embedded channel. Each anchor bolt is fixedly connected to the corresponding steel bar skeleton. A plurality of longitudinally evenly distributed openings corresponding to the same embedded channel are arranged on each formwork. A plurality of connecting columns evenly distributed along the axial section of the formwork are arranged on the side of the embedded channel close to the formwork. The connecting columns correspond to the openings one by one, and one end of the connecting column passes through the opening and protrudes outside the formwork. A thread and a nut cooperating with the thread are arranged on the column body of the connecting column.

[0006] In the above technical solution, a strip-shaped cavity is arranged in the embedded channel. A through hole with the same size and shape as the opening and corresponding to the opening is arranged on the side of the cavity facing the formwork. The other end of the connecting column passes through the through hole and inserts into the cavity, and a convex block is arranged at the end. The opening is an oval hole. The long side dimension of the cross section of the convex block is not greater than the long side dimension of the opening, the short side dimension of the cross section of the convex block is not greater than the short side dimension of the opening, and the long side dimension of the cross section of the convex block is greater than the short side dimension of the opening.

[0007] In the above technical solution, the long side dimension of the cross section of the protrusion is smaller than the long side dimension of the opening, and the short side dimension of the cross section of the protrusion is smaller than the short side dimension of the opening.

[0008] In the above technical solution, the nut threadedly connected to the connecting column is a butterfly buckle nut.

[0009] In the above technical solution, a handle is provided at the end of the connecting column away from the protrusion.

[0010] The utility model is a pre-buried groove external pull fixing structure for pipe gallery casting, which has the following beneficial effects:

[0011] The utility model can make the embedded groove and the side of the template tightly connected by the use of the fixing part and the adjusting part. Compared with the prior art, it can ensure the tightness of the embedded groove. After the pouring is completed and the template is removed, the embedded groove can be used directly without breaking the wall to find the embedded groove. At the same time, the fixing device is easy to disassemble and can be reused. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an overall structural axonometric view of the external pull-fixing structure of the embedded groove used for pipe gallery casting of the utility model;

[0013] Figure 2 for Figure 1 A magnified cross-sectional view of the structure at point A in the middle;

[0014] Figure 3 for Figure 1 Enlarged axonometric view of the structure at point A in the middle. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention.

[0016] For this example, please refer to Figure 1 , Figure 2 and Figure 3 A pre-buried groove external pull-fixing structure for pouring a pipe gallery comprises a template 1, a vertically arranged steel bar skeleton 4 is arranged between the two inner sides of the two templates 1, a plurality of pre-buried grooves 3 are arranged vertically and horizontally on one side of the steel bar skeleton 4, and a plurality of anchor bolts 5 are fixedly connected to one side of each pre-buried groove 3 from top to bottom. A plurality of openings 2 are opened on the template 1 at equal intervals, and the openings 2 are waist-shaped holes, and a fixing piece is penetrated inside each opening 2, and an adjusting piece is arranged in the middle of the fixing piece, and the fixing piece is driven by the adjusting piece to abut against the inner side of the pre-buried groove 3 so that the side of the pre-buried groove 3 is tightly abutted against the inner side of the template 1.

[0017] The adjusting member cooperates with the fixing member so that the fixing member abuts against the inside of the embedded groove 3, and the side surface of the embedded groove 3 is kept in tight contact with the inner side surface of the formwork 1.

[0018] Please refer to Figure 1 、 Figure 2 and Figure 3 As shown in, the fixing member includes a connecting column 7, and convex blocks 6 are fixedly connected to both sides of the inner end of the connecting column 7, a handle 9 is fixedly connected to the other end, and a threaded groove is formed on the surface of the connecting column 7.

[0019] The adjusting member includes a threaded groove formed on the surface of the connecting column 7, a convex block 6 connected to the connecting column 7, a handle 9, and a butterfly buckle nut 8 threadedly connected to the connecting column 7.

[0020] By connecting the butterfly buckle nut 8 to the connecting column 7 provided with a threaded groove, when the butterfly buckle nut 8 rotates to a certain position, the convex block 6 is kept in tight contact with the inner side of the embedded groove 3, and further the end surface of the embedded groove 3 is kept in tight contact with the side surface of the formwork 1.

[0021] Please refer to Figure 1 、 Figure 2 and Figure 3 As shown in, the opening 2 is an oval hole. The distance between the long sides of the two convex blocks 6 is less than the length of the long side of the opening 2 but greater than the length of the short side of the opening 2, and the distance between the short sides of the convex blocks 6 is less than the length of the short side of the opening 2. The anchor bolt 5 is fixedly connected to the steel bar skeleton 4 by iron wire, and the embedded groove 3 is fixedly connected to the anchor bolt 5 by welding.

[0022] After use, rotate the butterfly buckle nut 8 to release the tension, and then rotate the handle 9 to drive the connecting column 7 and the convex block 6 to rotate. The connecting column 7 and the convex block 6 can be conveniently taken out through the opening 2.

[0023] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention is also intended to include these changes and modifications.

[0024] The content not detailedly described in this specification belongs to the prior art well-known to those skilled in the art.

Claims

1. An external tension fixing structure for embedded channels in pipe gallery pouring, comprising two vertically arranged formworks (1), a number of vertically arranged steel bar skeletons (4) are arranged between the two formworks (1), and a plurality of longitudinally arranged embedded channels (3) are evenly distributed on the inner side of each formwork (1), characterized in that: The plurality of embedded grooves (3) are distributed at equal distances in the longitudinal direction. A plurality of anchor bolts (5) arranged along the axial section of the template (1) are provided between the steel frame (4) and its adjacent template (1). The plurality of anchor bolts (5) are arranged in a plurality of longitudinal rows. The anchor bolts (5) in the same row correspond to the same embedded groove (3) and are fixedly connected to the inner side of the corresponding embedded groove (3). Each anchor bolt (5) is fixedly connected to the corresponding steel frame (4). Each template (1) is provided with a plurality of openings (2) uniformly distributed in the longitudinal direction corresponding to the same embedded groove (3). A plurality of connecting columns (7) uniformly distributed along the axial section of the template (1) are provided on one side of the embedded groove (3) close to the template (1). The connecting columns (7) correspond to the openings (2) one by one, and one end of the connecting column (7) passes through the opening (2) and protrudes outside the template (1). The column body of the connecting column (7) is provided with a thread and a nut matching the thread.

2. The external tension fixing structure of the embedded groove for pipe gallery pouring according to claim 1, characterized in that: A strip-shaped cavity is provided in the embedded groove (3), and a through hole of the same size and shape as the opening (2) and corresponding one to one is provided on the side of the cavity facing the template (1). The other end of the connecting column (7) passes through the through hole and is inserted into the cavity, and a protrusion (6) is provided at the end. The opening (2) is a waist-shaped hole. The long side dimension of the cross section of the protrusion (6) is not greater than the long side dimension of the opening (2), the short side dimension of the cross section of the protrusion (6) is not greater than the short side dimension of the opening (2), and the long side dimension of the cross section of the protrusion (6) is greater than the short side dimension of the opening (2).

3. The embedded channel external tension fixing structure for pipe gallery pouring according to claim 2, characterized in that: The long side dimension of the cross section of the protrusion (6) is smaller than the long side dimension of the opening (2), and the short side dimension of the cross section of the protrusion (6) is smaller than the short side dimension of the opening (2).

4. The embedded groove external tension fixing structure for pipe gallery pouring according to claim 3, characterized in that: The nut threadably connected to the connecting column (7) is a butterfly buckle nut (8).

5. The external tension fixing structure of the embedded channel for pipe gallery pouring according to claim 4, characterized in that: A handle (9) is provided at one end of the connecting column (7) which is away from the protrusion (6).

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