Pier column steel skeleton positioning device above bridge bearing platform reinforcement cage

Abstract

The utility model provides a pier column steel framework positioning device above a bridge bearing platform reinforcement cage. The pier column steel framework positioning device comprises a supporting piece, an auxiliary rib and a connecting piece. The supporting piece comprises a main body and sawtooth structures, the main body forms an annular structure which is the same as the outer contour of a to-be-built pier column, and pier column main ribs are arranged between the sawtooth structures; the connecting piece comprises a connecting groove and a connecting hole, the axis of the connecting hole is perpendicular to the axis of the connecting groove, the bearing platform reinforcing steel bar is embedded into the connecting groove, and the pier column main reinforcing steel bar is inserted into the connecting hole; one end of the auxiliary rib is fixedly connected with the pier column main rib, and the other end is fixedly connected with the bearing platform steel rib. According to the positioning device for the pier column steel framework above the bridge bearing platform reinforcement cage, secondary positioning paying-off in the construction process is avoided, and the construction precision is guaranteed. Meanwhile, the situation that pier column main ribs are arranged after the bearing platform is poured, and consequently local stress concentration of the pier column is caused is avoided, and the bearing capacity of the structure is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge building field especially relates to a bridge bearing platform reinforcement cage upper piers steel skeleton positioning device. BACKGROUND

[0002] In the process of bridge building, the bearing platform needs to be built, and the pier is built on the bearing platform. In the prior art, the bearing platform reinforcement cage is built first, then the bearing platform is built by pouring concrete, and after the bearing platform is built, the pier peripheral reinforcement needs to be positioned again to ensure that the pier reinforcement cage can be constructed according to the designed position and the misalignment of the bearing platform and the pier does not occur.

[0003] However, the secondary positioning is affected by the construction accuracy and construction error, and the construction error is prone to occur in the process of building the bearing platform, which affects the secondary positioning and reduces the accuracy. Moreover, the uneven distribution of the pier peripheral reinforcement may be caused by the limitations of construction technology and operation. This will cause the local stress concentration of the pier, affect the uniform stress of the structure, and reduce the bearing capacity of the structure. INVENTION CONTENTS

[0004] The utility model provides a kind of bridge bearing platform reinforcement cage upper piers steel skeleton positioning device to overcome the above problems.

[0005] A kind of bridge bearing platform reinforcement cage upper piers steel skeleton positioning device, comprising: support piece, auxiliary bar and connecting piece;

[0006] The support piece includes a main body and a sawtooth structure on one side of the main body, the main body forms a ring structure with the same outer contour as the pier to be built, and the pier main reinforcement is arranged between the sawtooth structures.

[0007] The connecting piece includes a connecting groove and a connecting hole, the axis of the connecting hole is perpendicular to the axis of the connecting groove, the bearing platform reinforcement is embedded in the connecting groove, and the pier main reinforcement is inserted into the connecting hole.

[0008] One end of the auxiliary bar is fixedly connected to the pier main reinforcement, and the other end is fixedly connected to the bearing platform reinforcement.

[0009] Further, the main body is provided with a folded edge structure at both ends, the folded edge structure is provided with a round hole, and a plurality of main bodies are connected end to end to form a ring structure through the folded edge structure, and the sawtooth structure is arranged on the inner side of the ring structure.

[0010] Further, the ring structure is provided with at least two, and the two ring structures are arranged at different heights of the pier main reinforcement, and the support piece forming the ring structure includes a measuring hole, and the measuring holes of the upper and lower ring structures are coaxial.

[0011] Further, the connecting piece is in a cylindrical structure or a frustum structure, the connecting hole is axially arranged at the axis of the connecting piece, and the connecting groove is arranged on the bottom surface of the connecting piece and is a cross groove.

[0012] Further, the main body comprises a first main body and a second main body, the first main body and the second main body can be overlapped with each other, and the first main body and the second main body are fixedly connected through the through hole of the overlapped part penetrated by the bolt.

[0013] The utility model discloses a kind of bridge deck steel reinforcement cage upper pylon steel skeleton positioning device, deck steel reinforcement is fixedly connected with pylon main reinforcement by connecting piece, ensure the position accuracy of pylon main reinforcement, the spacing of pylon main reinforcement is guaranteed unchanged by the sawtooth structure of support piece, and it acts together with auxiliary bar, keep pylon main reinforcement vertical and upright posture, position and posture are confirmed before pylon main reinforcement is poured in deck, so that pylon main reinforcement is not affected by deck pouring. The utility model discloses a kind of bridge deck steel reinforcement cage upper pylon steel skeleton positioning device, avoid secondary positioning in construction process Line, guarantee construction precision. Meanwhile, it also avoids setting pylon main reinforcement after deck pouring, causes pylon local stress concentration, guarantees the bearing capacity of structure. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will be a simple introduction to the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is a kind of bridge deck steel reinforcement cage upper pylon steel skeleton positioning device structural schematic diagram disclosed in the embodiment of the utility model;

[0016] Figure 2 It is the plan view of support piece and pylon main reinforcement;

[0017] Figure 3 It is the connection structure diagram of support piece and pylon main reinforcement;

[0018] Figure 4 It is the support piece structural schematic diagram in embodiment 1;

[0019] Figure 5 It is the connection piece structural schematic diagram;

[0020] Figure 6 It is the connection piece sectional view;

[0021] Figure 7 It is the support piece structural schematic diagram in embodiment 2.

[0022] In the picture:

[0023] 1. Support component; 11. Main body; 111. First main body; 112. Second main body; 12. Serrated structure; 13. Folded edge structure; 14. Circular hole; 15. Measuring hole;

[0024] 2. Auxiliary reinforcement;

[0025] 3. Connecting component; 31. Connecting groove; 32. Connecting hole;

[0026] 4. Main reinforcement bars of the pier column;

[0027] 5. Foundation reinforcement; Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] Example 1

[0030] like Figures 1-6 As shown in the figure, this embodiment discloses a positioning device for the steel frame of the pier column above the steel cage of the bridge abutment, including: support member 1, auxiliary reinforcement 2 and connector 3;

[0031] The support member 1 includes a main body 11 and a sawtooth structure 12 disposed on one side of the main body 11. The main body 11 forms a ring structure with the same outer contour as the pier column to be built. The pier column main reinforcement 4 is provided between the sawtooth structures 12.

[0032] The connector 3 includes a connecting groove 31 and a connecting hole 32. The axis of the connecting hole 32 is perpendicular to the axis of the connecting groove 31. The foundation reinforcement 5 is embedded in the connecting groove 31, and the pier column main reinforcement 4 is inserted into the connecting hole 32.

[0033] One end of the auxiliary reinforcement 2 is fixedly connected to the main reinforcement 4 of the pier column, and the other end is fixedly connected to the reinforcement 5 of the foundation.

[0034] The utility model discloses a kind of upper pier column steel skeleton positioning devices of bridge pile cap reinforcement cage, and pile cap reinforcement is fixedly connected with pier column main reinforcement by connecting piece, ensure the position accuracy of pier column main reinforcement, the spacing of pier column main reinforcement is ensured unchanged by the sawtooth structure of support piece, and it acts together with auxiliary bar, keep the vertical upright posture of pier column main reinforcement, confirm position and posture before pier column main reinforcement is poured in pile cap, so that pier column main reinforcement is not affected by pile cap pouring.

[0035] The sawtooth structure not only can position pier column main reinforcement, but also can conveniently bend the main body according to the outer contour of pier column.

[0036] In the embodiment, the auxiliary bar and the pier column main reinforcement are tied together by the iron wire, the pier column main reinforcement is welded with two auxiliary positioning bars, after the pier column main reinforcement is clamped into the sawtooth structure, the two auxiliary positioning bars are respectively located on the upper and lower sides of the support piece, and the stability of the pier column main reinforcement is auxiliary ensured.

[0037] In the embodiment, the two ends of the main body 11 are provided with the folded edge structure 13, the folded edge structure 13 is provided with the round hole 14, and the plurality of main bodies 11 are connected in a ring structure through the folded edge structure 13, and the sawtooth structure 12 is arranged on the inner side of the ring structure.

[0038] The bolt passes through the round hole 14, and the two folded edge structures 13 are butt-jointed together, so that the two main bodies 11 are connected together, the plurality of main bodies are connected in head and tail, and are bent into the shape of the outer contour of the pier column, to support the pier column main reinforcement.

[0039] In the embodiment, the ring structure is provided with at least two, the two ring structures are arranged on different heights of the pier column main reinforcement 4, the support piece 1 constituting the ring structure includes the measuring hole 15, and the measuring holes 15 of the upper and lower ring structures are coaxial.

[0040] The two ring structures support the pier column main reinforcement at different heights, to ensure the stability of the pier column main reinforcement.

[0041] The measuring hole can be used to place a laser pen, so that the laser pen vertically downwardly emits laser light from the measuring hole of the upper ring structure, and the laser light passes through the measuring hole of the lower ring structure, to ensure that the upper and lower sawtooth structures are aligned, and to ensure that the pier column main reinforcement is vertical.

[0042] The connecting piece 3 is a cylindrical structure or a frustum structure, in the embodiment, for example, Figure 5 、 Figure 6As shown, the connecting piece 3 is a frustum structure, the connecting hole 32 is axially arranged at the axis of the connecting piece 3, and the connecting groove 31 is arranged at the bottom surface of the connecting piece 3, and the connecting groove 31 is a cross groove.

[0043] The bearing platform steel reinforcement cage is longitudinally and transversely staggered, the connecting piece 3 is arranged at the steel reinforcement staggered position and is welded with the bearing platform steel reinforcement, the connecting hole 32 is provided with an internal thread, the end of the pier column main reinforcement is provided with an external thread, the internal thread is matched with the external thread to connect the pier column main reinforcement and the connecting piece, after the threaded connection, welding is performed to stably connect the bearing platform steel reinforcement cage and the pier column main reinforcement.

[0044] In the embodiment, the main body 11 includes a first main body 111 and a second main body 112, the first main body 111 and the second main body 112 can be overlapped with each other, and the first main body 111 and the second main body 112 are fixedly connected by a bolt passing through the through hole of the overlapping part.

[0045] The first main body and the second main body both include an extension part, the extension part is bent into a track-like structure and is provided with a through hole, the first main body and the second main body are fixedly connected through the through hole, the length of the main body 11 can be adjusted to adapt to different sizes of the pier column.

[0046] The construction process of the embodiment is as follows:

[0047] First, the bearing platform steel reinforcement cage is constructed, then the connecting piece is arranged at the position corresponding to the pier column main reinforcement, the bearing platform steel reinforcement cage steel is embedded in the connecting piece and is welded, then the pier column main reinforcement is screwed into the connecting piece and is welded, the auxiliary reinforcement is bundled with a steel wire to keep the pier column main reinforcement in an upright posture, two auxiliary positioning reinforcements are welded to the main reinforcement, the two auxiliary positioning reinforcements are used to clamp the support piece, the pier column main reinforcement is clamped into the sawtooth structure of the support piece, the support piece is bent according to the outer contour of the pier column, and the support piece is connected in a ring shape at the head and tail to complete the positioning of the pier column main reinforcement.

[0048] Embodiment 2

[0049] As shown, Figure 7 The embodiment is different from the embodiment 1 in that, in the embodiment, the main body is a whole, the length is fixed, the length of the main body and the required number of main bodies are determined according to the size of the pier column and the layout of the pier column main reinforcement, the main body can be bent according to the outer contour shape of the pier column to adapt to the outer contour of the pier column, and the main body structure of the overall structure has better strength.

[0050] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A device for positioning a steel skeleton of a pier column above a reinforcement cage of a bridge deck, characterized in that, The utility model relates to a kind of pier column reinforcement structure, including: Support (1), auxiliary rib (2) and connecting piece (3); The support (1) includes main body (11) and sawtooth structure (12) on the one side of the main body (11), the main body (11) constitutes the same annular structure with the outer contour of to be built pier column, pier column main rib (4) is provided between the sawtooth structure (12); The connecting piece (3) includes connecting groove (31) and connecting hole (32), the axis of the connecting hole (32) is perpendicular to the axis of the connecting groove (31), bearing platform steel bar (5) is embedded in the connecting groove (31), and the pier column main rib (4) is inserted into the connecting hole (32); The auxiliary rib (2) one end is fixedly connected with the pier column main rib (4), and the other end is fixedly connected with the bearing platform steel bar (5).

2. The device according to claim 1, characterized in that, The main body (11) both ends are provided with folding edge structure (13), the folding edge structure (13) is provided with round hole (14), and a plurality of main bodies (11) are connected head-to-tail to form annular structure by the folding edge structure (13), and the sawtooth structure (12) is arranged on the inner side of the annular structure.

3. The device according to claim 1, characterized in that, The annular structure is provided at least two, and two annular structures are arranged on different heights of pier column main rib (4), and the support (1) comprising the annular structure includes measuring hole (15), and the measuring holes (15) of the upper and lower annular structures are coaxial.

4. The device according to claim 1, characterized in that, The connecting piece (3) is cylindrical structure or frustum structure, the connecting hole (32) is axially arranged at the axis of the connecting piece (3), the connecting groove (31) is arranged on the bottom surface of the connecting piece (3), and the connecting groove (31) is cross groove.

5. The device according to claim 1, characterized in that, The main body (11) includes first main body (111) and second main body (112), the first main body (111) and the second main body (112) can overlap each other, and the first main body (111) and the second main body (112) are fixedly connected by bolt passing through the through hole of overlapping portion.

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