Bridge pier column top cap reinforcement cage prefabricated jig frame

Abstract

The utility model discloses a bridge pier column top cap reinforcement cage prefabricated jig frame in the field of railway bridge construction, which aims to solve the problems of low safety and long processing time of the jig frame in the prior art, and comprises a main framework, a reinforcing mesh, an operating platform, a protective barrier and a pedestrian ladder, the reinforcing mesh is installed on the side face of the main framework, the operating platform is arranged at the top of the main framework, the reinforcing mesh comprises positioning reinforcing steel bars, and the size of the interval is the same as the interval between mesh layers on a pier column top cap reinforcing cage. The positioning reinforcing steel bars are arranged on the main framework, the pier column top cap reinforcing steel bar mesh is machined in advance through the positioning reinforcing steel bars, and then the machined pier column top cap reinforcing steel bar mesh cage and the jig frame are hoisted to the site together, so that the site installation time is saved, and the passing efficiency of a construction road is improved; and the arranged protective handrail can effectively prevent operators from falling from high altitude during operation, and the construction safety risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway bridge construction field especially relates to a bridge pier column top hat reinforcement cage prefabrication jig frame. BACKGROUND

[0002] Railway bridge pier column top hat reinforcement design is more complex, and the number of reinforcement mesh is more, and the size of each layer of reinforcement transverse and longitudinal reinforcement is different, changes with top hat arc line, and there is multilayer inclined anti-cracking reinforcement, and there is certain difficulty in construction. SUMMARY

[0003] The utility model discloses a bridge pier column top hat reinforcement cage prefabrication jig frame, is equipped with operating platform and guardrail, and enough space operation reduces the security risk.

[0004] To solve the above technical problem, the following technical scheme is adopted:

[0005] The utility model provides a bridge pier column top hat reinforcement cage prefabrication jig frame, including main skeleton, reinforcement mesh, operating platform, guardrail and human step ladder, the reinforcement mesh is installed in the side of main skeleton, the operating platform sets up in the top of main skeleton, human step ladder one end is connected with operating platform, and the other end is placed on the ground, the guardrail is set up in one side of operating platform,

[0006] The reinforcement mesh includes positioning reinforcement, and a plurality of positioning reinforcements are arranged on the side of the main skeleton, and the interval size is the same as the mesh layer spacing on the pier top hat reinforcement cage.

[0007] Optionally, the main skeleton includes base, vertical support I-shaped steel, vertical support steel pipe and flat link steel pipe, the base is rectangular structure, the vertical support I-shaped steel is arranged on four top corners and long side of base, the top between vertical support I-shaped steel is equipped with flat link steel pipe, and the middle part of flat link steel pipe is connected with base through vertical support steel pipe.

[0008] Optionally, the positioning reinforcement is horizontally installed between the vertical support I-shaped steel.

[0009] Optionally, the human step ladder is equipped with two, and two human step ladders are arranged on two top corners of the short side of the main skeleton, and handrails are arranged on the two sides of the human step ladder.

[0010] Optionally, the operation platform is a cantilever structure installed on the top of the main frame.

[0011] Optionally, the operation platform comprises a support profile, a steel plate and an inclined support rod, one side of the support profile is connected with the main frame, the other side is supported by the inclined support rod, and the steel plate is arranged on the support profile.

[0012] Optionally, the guardrail comprises a frame and a rail piece, the rail piece is arranged in the frame, and the frame is installed on one side of the operation platform.

[0013] Optionally, the base is provided with a triangular support structure at four top corners.

[0014] Optionally, the triangular support structure comprises an inclined rod and an extension rod extending outward from the top corner of the base, one end of the inclined rod is connected with the extension rod, and the other end is connected with the vertical support I-shaped steel.

[0015] Compared with the prior art, the bridge pier top cap steel reinforcement cage prefabricated jig of the utility model has the beneficial effects that:

[0016] 1、The utility model discloses a positioning steel bar is arranged on the main frame, the spacing between the positioning steel bars is same with the spacing between the mesh layers in the pier top cap steel reinforcement cage required to be processed, the pier top cap steel mesh is prefabricated through the positioning steel bar, then the prefabricated pier top cap steel reinforcement cage and the bridge pier top cap steel reinforcement cage prefabricated jig are hoisted to the scene together, the on-site installation working hours are saved, the passing efficiency of the construction road is improved, the guardrail is arranged and can effectively prevent the falling of the operator during operation, and the construction safety risk is reduced.

[0017] 2、The positioning steel bar is arranged, the pier cap steel reinforcement binding position is accurate, the whole jig is visual, the supervision is in place, the operation platform space is big, and the quality dead angle caused by the narrow space problem is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the bridge pier top cap steel reinforcement cage prefabricated jig in the embodiment of the utility model.

[0019] MARK NUMBER EXPLANATION:

[0020] 1, base, 2, vertical support I-shaped steel, 3, vertical support steel pipe, 4, flat link steel pipe, 5, pedestrian stair, 6, handrail, 7, support profile, 8, steel plate, 9, inclined support rod, 10, frame, 11, rail piece, 12, extension rod, 13, inclined rod, 14, positioning steel bar. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use.

[0022] Embodiment one

[0023] The embodiment provides a bridge pier column top cap reinforcement cage prefabricated jig frame, which comprises a main framework, a reinforcement mesh, an operation platform, a protective rail and a staircase 5; the reinforcement mesh is installed on the side of the main framework, the operation platform is arranged on the top of the main framework, one end of the staircase 5 is connected with the operation platform, and the other end is arranged on the ground; and the protective rail is arranged on one side of the operation platform.

[0024] As shown in Figure 1 , the reinforcement mesh comprises positioning reinforcement 14, and a plurality of positioning reinforcements 14 are arranged on the side of the main framework at intervals, and the interval size is the same as the mesh layer spacing on the pier column top cap reinforcement cage.

[0025] The positioning reinforcement 14 mesh is used to process the pier top cap reinforcement mesh in advance to form a top cap reinforcement cage, and then the top cap reinforcement cage and the jig frame are hoisted to the site for installation. The processing time is shortened, and the passing efficiency of the construction road is improved.

[0026] The main framework is arranged on the periphery of the bridge pier column, the construction personnel reaches the operation platform through the staircase 5, the pier column top cap reinforcement cage is installed on the operation platform, the protective rail is arranged to ensure the safety of the construction personnel and prevent the construction personnel from falling from the operation platform, the operation platform has a large space, the rectangular structure covers the entire bridge pier column, and the quality dead angle caused by the narrow space problem is eliminated.

[0027] Embodiment two

[0028] The embodiment provides a bridge pier column top cap reinforcement cage prefabricated jig frame based on the embodiment 1, and the difference lies in that:

[0029] As shown in Figure 1 , the shape of the main framework is matched with the shape of the bridge pier column, and can be rectangular, circular or elliptical, and the embodiment takes the rectangular as an example, and the bridge pier column is arranged on the inner side of the rectangular structure of the main framework.

[0030] The main framework comprises a base 1, vertical I-shaped steel 2, vertical steel pipe 3 and flat link steel pipe 4, the base 1 is of rectangular structure, four vertical I-shaped steels 2 are vertically installed on the four corners of the base 1 respectively, one vertical I-shaped steel 2 is installed on the middle of each long side of the base 1, the flat link steel pipe 4 is arranged between the vertical I-shaped steels 2 on the two long sides, and the middle of the flat link steel pipe 4 is connected with the base 1 through the vertical steel pipe 3. The base 1 is made of channel steel, and the rectangular base 1 has high stability.

[0031] The elongated rod 12 extends outwardly at the four corners of the base 1, the inclined rod 13 is connected with the elongated rod 12 at one end and connected with the vertical I-shaped steel 2 at the other end, and the inclined rod 13, the vertical I-shaped steel 2 and the elongated rod 12 form a triangular support structure of the base 1, which can strengthen the stability of the connection of the main framework.

[0032] The positioning steel bars 14 are transversely installed between the vertical I-shaped steels 2, the distance between the two transverse positioning steel bars 14 is the same as the interval of the mesh layers on the designed pier top cap steel reinforcement cage, the pier top cap steel reinforcement cage is processed in advance and then hoisted to the site, the precast pier top cap steel reinforcement cage is installed on the pier by the construction personnel on the operation platform, the processing time is shortened, and the passing efficiency of the construction road is improved.

[0033] The transversely arranged positioning steel bars 14 do not completely block the bridge pier, the jig frame is visualized, and timely corresponding adjustment can be made in the case.

[0034] The two pedestrian staircases 5 are arranged on the two corners of the short side of the rectangular main framework, the pedestrian staircases 5 are connected with the operation platform, and handrails 6 are arranged on the two side edges of the pedestrian staircases 5, so that the distribution of construction personnel can be reasonably arranged.

[0035] The operation platform is of cantilever structure, the width of the operation platform can be 1 m, the operation platform comprises a support profile 7, a steel plate 8 and an inclined support rod 9, the support profile 7 is arranged on the top of the rectangular main framework and on the remaining three edges without the pedestrian staircase 5, one side of the support profile 7 is connected with the main framework, and the other side is supported through the inclined support rod 9, one end of the inclined support rod 9 is connected with the support profile 7, and the other end is arranged on the vertical I-shaped steel 2, so that the installation of the support profile 7 is strengthened, and the steel plate 8 is arranged on the support profile 7 to form a platform for the movement of construction personnel.

[0036] The protective railings are arranged on the outer side of the operation platform, the protective railings comprise a frame 10 and a rail piece 11, the rail piece 11 is arranged in the frame 10, and the frame 10 is installed on the outer side of the support profile 7, so that the construction safety is improved.

[0037] In use, the jig frame composed of the main framework, the steel mesh, the operation platform, the guardrail and the pedestrian stair 5 is pre-processed, wherein the interval between the positioning steel bars 14 on the steel mesh is designed to be the same as the interval between the mesh layers on the required pier top cap steel cage, the pier top cap steel cage is processed through the positioning steel bars 14, then the pier top cap steel cage and the jig frame are hoisted to the site together, the jig frame is arranged at the periphery of the pier, the pier top cap steel cage is hoisted above the pier, and the installation is performed by the construction personnel on the operation platform after the position is determined.

[0038] The pre-processed jig frame and the pier top cap steel cage can reduce the use of the road site, reduce the road occupation and save the working hours.

[0039] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0040] The above is only the preferred embodiment of the present application, and it should be noted that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. A bridge pier column cap reinforcement cage precasting jig, characterized by, The utility model provides a kind of construction platform, including main skeleton, reinforcing mesh, operating platform, guardrail and pedestrian stairway;The reinforcing mesh is installed in the side of the main skeleton, the operating platform is set on the top of the main skeleton, the pedestrian stairway is connected with the operating platform at one end, and the other end is placed on the ground;The guardrail is set on one side of the operating platform. The reinforcing mesh includes positioning reinforcing bars, and the positioning reinforcing bars are arranged at intervals on the side edges of the main skeleton, and the interval size is the same as the interval distance of the mesh layers on the pier top cap reinforcing cage.

2. The bridge pier column cap reinforcement cage precasting jig of claim 1, wherein, The main skeleton includes a base, vertical I-beams, vertical steel pipes and flat steel pipes, the base is rectangular, the vertical I-beams are arranged at the four corners and long sides of the base, the flat steel pipes are arranged on the top between the vertical I-beams, and the middle of the flat steel pipes is connected to the base by the vertical steel pipes.

3. The bridge pier column cap reinforcement cage precasting jig of claim 2, wherein, The positioning reinforcing bars are transversely arranged between the vertical I-beams.

4. The bridge pier column cap reinforcement cage precast jig of claim 1, wherein, The pedestrian stairway is provided with two, and the two pedestrian stairways are arranged at the two corners of the short side of the main skeleton, and handrails are arranged on the two sides of the pedestrian stairways.

5. The bridge pier column cap reinforcement cage precast jig of claim 1, wherein, The operating platform is a cantilever structure, and is arranged on the top of the main skeleton with a width of 1 meter.

6. The bridge pier column cap reinforcement cage precast jig of claim 1, wherein, The operating platform includes support profiles, steel plates and inclined support rods, one side of the support profiles is connected to the main skeleton, the other side is supported by the inclined support rods, and the steel plates are arranged on the support profiles.

7. The bridge pier column cap reinforcement cage precast jig of claim 1, wherein, The guardrail includes a frame and a bar, the bar is arranged in the frame, and the frame is arranged on one side of the operating platform.

8. The bridge pier column cap reinforcement cage precast jig of claim 2, wherein, The base is provided with a triangular support structure at the four corners.

9. The bridge pier column cap reinforcement cage precast jig of claim 8, wherein, The triangular support structure includes an inclined rod and an extension rod extending outward from the top corner of the base, one end of the inclined rod is connected to the extension rod, and the other end is connected to the vertical I-beam.

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