A bracket device for the wing plate of a steel box composite beam bridge deck

Abstract

The present application provides a corbel bracket device for a steel box composite beam bridge deck wing plate, comprising a support frame, a channel steel corbel top beam, a hanger and an adjustable bottom bracket, wherein the channel steel corbel top beam is welded to a supporting steel pipe, the suspension point position is strengthened by a reinforcing steel plate, the adjustable bottom bracket passes through the supporting steel pipe and is supported on the web of the box beam, and the hanger passes through the channel steel corbel top beam to fix the corbel bracket. The device is used to construct a steel box composite beam bridge deck wing plate, which can effectively reduce the construction process, improve the construction efficiency, save the construction cost, and ensure the construction safety. Through the use of the device, the construction period is shortened, the corbel bracket is installed on the steel box beam in advance, the high-altitude cross operation time is reduced, the construction safety risk is reduced, and the construction efficiency is accelerated. Through the adjustable bottom bracket of the corbel bracket, the cross slope and cantilever angle of the bridge deck wing plate can be accurately controlled to ensure the construction quality of the bridge deck. The device is simple to install and disassemble, easy to use, has high installation accuracy, and can be recycled.

Description

Technical Field

[0001] The present application relates to the technical field of beam bridge deck wing plate brackets, and in particular to a steel box composite beam bridge deck wing plate bracket device. Background Art

[0002] In the construction of expressways, in order to cross existing expressways, achieve large spans, ensure construction safety, and reduce construction interference time, large-span steel box composite beam designs are often used. In order to meet the construction and use functions of bridges, steel box composite beam bridge decks generally use a combination of polypropylene fiber concrete bridge decks + asphalt concrete. When constructing concrete bridge decks, the construction drawing design uses precast concrete slabs as the bottom formwork for bridge deck concrete construction to achieve the purpose of rapid construction of bridge decks.

[0003] However, the flange of the bridge deck cannot be installed with prefabricated panels, so the construction usually adopts the hanging formwork method, which has complicated construction procedures, long construction period and high construction cost. In addition, the construction site is an existing operating expressway, which has the problems of difficult construction traffic diversion, high compensation cost for traffic loss during fully enclosed construction, complex construction environment of grade-separated intersections, and many safety hazards. Utility Model Content

[0004] The embodiment of the present application provides a steel box composite beam bridge deck wing plate corbel bracket device, which can improve construction efficiency, reduce road closure time, save construction costs, ensure construction safety, and solve the problem that the flange position of the traditional bridge deck is constructed by hanging formwork, which has complex procedures, long construction period, high construction cost, complex three-dimensional intersection construction environment, and many safety hazards.

[0005] The embodiment of the present application provides a steel box composite beam bridge deck wing plate bracket device, including a support frame, a channel steel bracket top beam, a hanger rod and an adjustable bottom bracket;

[0006] An inner spiral tube is provided at the bottom end of the support frame, and the inner spiral tube extends toward the web of the box beam;

[0007] The channel steel corbel top beam is fixedly arranged at the top end of the support frame, and a first hanging hole is arranged at the end of the channel steel corbel top beam;

[0008] The suspension rod passes through the first suspension hole and is connected to the flange plate of the steel box girder, so that the corbel bracket device is fixed on the flange plate of the steel box girder;

[0009] The adjusting bottom support is threadedly connected with the inner screw tube, and a buckle top support is arranged at the end of the adjusting bottom support, and the buckle top support abuts against the outer wall of the box beam web.

[0010] In a feasible implementation, the corbel bracket device further includes a reinforcing steel plate;

[0011] The reinforcing steel plate is fixedly arranged at the hanging point position of the channel steel corbel top beam, and a second hanging hole is arranged on the reinforcing steel plate, and the second hanging hole corresponds to the first hanging hole.

[0012] In a feasible implementation, the corbel bracket device also includes a steel pipe guardrail upright;

[0013] The steel pipe guardrail upright is fixedly arranged at the end of the channel steel corbel top beam, and a finished guardrail is arranged on the steel pipe guardrail upright, and the finished guardrail surrounds the box beam flange plate.

[0014] In a feasible implementation, the adjusting base also includes a lead screw and a disc nut;

[0015] The outer wall of the lead screw is screwed to the inner wall of the inner screw tube, and the buckle top support is arranged at the end of the lead screw facing the web of the box beam;

[0016] The buckle nut is threadedly connected to the outer wall of the lead screw, and the buckle nut is clamped with the end of the inner screw tube.

[0017] In a feasible implementation, the suspension rod comprises a threaded suspension rod and two sets of nuts;

[0018] The threaded suspension rod passes through the first suspension hole and the steel box beam flange plate, and the two groups of nuts are respectively screwed to the upper and lower outer walls of the threaded suspension rod.

[0019] In a feasible implementation, the support frame includes a vertical steel pipe, an inclined steel pipe and a reinforcing steel pipe;

[0020] The plurality of vertical steel pipes are arranged in order from long to short, the top ends of the plurality of vertical steel pipes are located in the same plane and are fixedly connected to the channel steel corbel top beam, the bottom ends of the plurality of vertical steel pipes are located in the same inclined plane and are fixedly connected to the inclined steel pipe, and the channel steel corbel top beam, the inclined steel pipe and the plurality of vertical steel pipes form a triangular bracket;

[0021] The top end of the reinforcing steel pipe is fixedly connected to the top end of the vertical steel pipe, and the bottom end of the reinforcing steel pipe is fixedly connected to the inclined steel pipe. The vertical steel pipe, the reinforcing steel pipe and part of the inclined steel pipe form a triangular frame.

[0022] The embodiment of the present application provides a steel box composite beam bridge deck wing plate corbel support device, by fixing a channel steel corbel top beam on the top of a support frame, and a suspension rod passes through a first suspension hole of the channel steel corbel top beam and is connected to a steel box beam flange plate, so that the corbel support device is fixed on the steel box beam flange plate; an adjustment bottom bracket is screwed to an inner screw tube of the support frame, and a buckle top bracket of the adjustment bottom bracket contacts an outer wall of the box beam web plate, so that the corbel support device is stably fixed;

[0023] This device is used to construct the steel box composite beam bridge deck wing plate, which can effectively reduce the construction process, improve construction efficiency, save construction costs, and ensure construction safety. Through the use of this device, the construction period is shortened, the corbel bracket is installed on the steel box beam in advance, the high-altitude cross operation time is reduced, and the construction safety risk is reduced. At the same time, the construction efficiency is accelerated, the number of traffic diversions is reduced, the traffic diversion costs are effectively saved, and the compensation for traffic flow losses is reduced. When the concrete construction of the bridge deck is completed, the formwork can be removed by lowering the bracket hanger nut, and the demolding is convenient. When the corbel bracket is removed, the corbel bracket can be removed by simply removing the hanger nut. The device is simple to install and disassemble, easy to use, high in installation accuracy, and can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a steel box composite beam bridge deck wing plate corbel bracket device provided in the present application;

[0025] Figure 2 It is a structural schematic diagram of the support frame;

[0026] Figure 3 It is a structural diagram of the channel steel corbel top beam;

[0027] Figure 4 It is a structural diagram of adjusting the bottom support;

[0028] Figure 5 It is a structural diagram of the reinforced steel plate;

[0029] Figure 6 It is a structural diagram of the boom;

[0030] Figure 7 It is a structural schematic diagram of the corbel bracket device in use.

[0031] Description of reference numerals:

[0032] 1- channel steel corbel top beam; 2- support frame; 3- adjustable bottom bracket; 4- suspension rod; 5- reinforced steel plate; 6- steel pipe guardrail upright pole;

[0033] 11-first hanging hole; 21-inner screw tube; 22-inclined steel pipe; 23-reinforced steel pipe; 24-vertical steel pipe; 31-disc buckle top support; 32-screw; 33-disc buckle nut; 41-threaded hanging rod; 42-nut; 51-second hanging hole. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection of the present application.

[0035] At present, the bridge deck flange is usually constructed by hanging formwork, which has complex construction procedures, long construction period and high construction cost. In addition, the road construction site is an existing operating expressway, which has the problems of difficult construction traffic diversion, high compensation cost for traffic loss during fully enclosed construction, complex construction environment of grade-separated intersection and many safety hazards.

[0036] The present application provides a steel box composite beam bridge deck wing plate bracket device. The use of the device to construct the steel box composite beam bridge deck wing plate can effectively reduce the construction process, improve construction efficiency, save construction costs, and ensure construction safety. Through the use of the device, the construction period is compressed, the bracket is installed on the steel box beam in advance, the high-altitude cross operation time is reduced, the construction safety risk is reduced, and the construction efficiency is accelerated, the number of traffic diversions is reduced, the traffic diversion costs are effectively saved, and the compensation for traffic flow loss is reduced.

[0037] The specific structure of the steel box composite beam bridge deck wing plate corbel bracket device provided in the present application is described in detail below in conjunction with the accompanying drawings.

[0038] Reference Figure 1-Figure 7 As shown, the embodiment of the present application provides a steel box composite beam bridge deck wing plate bracket device, including a hanger 4, a support frame 2, and a channel steel bracket top beam 1 and an adjustment bottom bracket 3 arranged on the support frame 2;

[0039] The support frame 2 is a metal support, which can be made by welding a Ф48*3.5mm steel pipe. An inner spiral tube 21 is provided at the bottom end of the support frame 2, and the extension direction of the inner spiral tube 21 is toward the web of the box beam;

[0040] The channel steel corbel top beam 1 is made of 10# channel steel by welding. The channel steel corbel top beam 1 is fixed to the top end of the support frame 2. The two can be connected by welding or bolts. The channel steel corbel top beam 1 is provided with a first hanging hole 11 near the web of the box beam. The first hanging hole 11 is a vertically opened circular hole.

[0041] The suspension rod 4 is made of Ф20 precision rolled threaded suspension rod and 10.9 grade high strength nut. The suspension rod 4 passes through the first suspension hole 11 and is connected to the steel box girder flange plate, so that the corbel bracket device is fixed on the steel box girder flange plate.

[0042] The adjusting bottom support 3 can adopt a 48-type disc bottom support, and the adjusting bottom support 3 is screwed with the inner screw tube 21. The end of the adjusting bottom support 3 is provided with a disc top support 31, and the disc top support 31 is in contact with the outer wall of the box beam web to ensure that the corbel bracket device is stably fixed. Through the adjusting bottom support of the corbel bracket, the transverse slope and cantilever angle of the bridge deck wing plate can be accurately controlled, thereby ensuring the construction quality of the bridge deck.

[0043] The embodiment of the present application provides a steel box composite beam bridge deck wing plate corbel support device, by fixing a channel steel corbel top beam 1 on the top of a support frame 2, and a suspension rod 4 passes through a first suspension hole 11 of the channel steel corbel top beam 1 and is connected to a steel box beam flange plate, so that the corbel support device is fixed on the steel box beam flange plate; the bottom bracket 3 is adjusted to be screwed with an inner screw tube 21 of the support frame 2, and the buckle top bracket 31 of the bottom bracket 3 is adjusted to contact the outer wall of the box beam web plate, so that the corbel support device is stably fixed;

[0044] This device is used to construct the steel box composite beam bridge deck wing plate, which can effectively reduce the construction process, improve construction efficiency, save construction costs, and ensure construction safety. Through the use of this device, the construction period is shortened, the corbel bracket is installed on the steel box beam in advance, the high-altitude cross operation time is reduced, and the construction safety risk is reduced. At the same time, the construction efficiency is accelerated, the number of traffic diversions is reduced, the traffic diversion costs are effectively saved, and the compensation for traffic flow losses is reduced. When the concrete construction of the bridge deck is completed, the formwork can be removed by lowering the bracket hanger nut, and the demolding is convenient. When the corbel bracket is removed, the corbel bracket can be removed by simply removing the hanger nut. The device is simple to install and disassemble, easy to use, high in installation accuracy, and can be recycled.

[0045] Reference Figure 1 and Figure 5 As shown, in some embodiments, the corbel bracket device further includes a reinforcing steel plate 5, and the reinforcing steel plate 5 can be made of a 10 mm steel plate;

[0046] The reinforcing steel plate 5 is fixed to the hanging point of the channel steel corbel top beam 1 . A second hanging hole 51 is provided on the reinforcing steel plate 5 . The second hanging hole 51 corresponds to the first hanging hole 11 . The hanging rod 4 passes through the first hanging hole 11 and the second hanging hole 51 .

[0047] Reference Figure 1 As shown, in some embodiments, the bracket support device further includes a steel pipe guardrail upright pole 6, and the steel pipe guardrail upright pole 6 can be made by welding a Ф48*3.5mm steel pipe;

[0048] The steel pipe guardrail upright 6 is fixedly mounted on the end of the channel steel corbel top beam 1. A finished guardrail is arranged on the steel pipe guardrail upright 6. The finished guardrail surrounds the box girder flange plate. Before construction, the finished guardrail is directly tied to the steel pipe guardrail upright 6, which can quickly form edge protection and effectively ensure construction safety.

[0049] Reference Figure 1 and Figure 4 As shown, in some embodiments, the adjusting base 3 further includes a lead screw 32 and a disc nut 33;

[0050] The outer wall of the lead screw 32 is screwed to the inner wall of the inner screw tube 21, and the buckle top support 31 is arranged at the end of the lead screw 32 facing the web of the box beam, and the buckle top support 31 is fixedly connected or rotatably connected to the lead screw 32;

[0051] like Figure 1 As shown, when the screw 32 is rotated clockwise, the buckle support 31 can be moved rightward relative to the support frame 2, so that the buckle support 31 moves closer to the box beam web side. Conversely, when the screw 32 is rotated counterclockwise, the buckle support 31 can be moved away from the box beam web side, thereby adjusting the position of the buckle support 31 so that the buckle support 31 abuts against the outer wall of the box beam web.

[0052] The buckle nut 33 is screwed to the outer wall of the lead screw 32 , and the buckle nut 33 is clamped with the end of the inner screw tube 21 , so as to improve the stability of the adjustment base 3 .

[0053] Reference Figure 1 and Figure 6 As shown, in some embodiments, the suspension rod 4 includes a threaded suspension rod 41 and two sets of nuts 42;

[0054] The threaded suspension rod 41 passes through the first suspension hole 11, the second suspension hole and the steel box girder flange plate, and two sets of nuts 42 are respectively screwed to the upper and lower outer walls of the threaded suspension rod 41, so that the corbel bracket device is fixed on the steel box girder flange plate;

[0055] When the concrete construction of the bridge deck is completed, the formwork can be removed by removing the lower nut 42 of the threaded hanger 41, which is convenient for removing the formwork.

[0056] Reference Figure 1 and Figure 2 As shown, in some embodiments, the support frame 2 further includes a vertical steel pipe 24, an inclined steel pipe 22 and a reinforcing steel pipe 23;

[0057] A plurality of vertical steel pipes 24 are arranged in order from long to short. Figure 2 The top ends of the two vertical steel pipes 24 are located in the same plane and are fixedly connected to the channel steel corbel top beam 1. The bottom ends of the multiple vertical steel pipes 24 are located in the same inclined plane and are fixedly connected to the inclined steel pipe 22. The channel steel corbel top beam 1, the inclined steel pipe 22 and the multiple vertical steel pipes 24 form a triangular bracket.

[0058] The inner spiral tube 21 is fixedly mounted at the bottom end of the triangular bracket, and the inner spiral tube 21 is arranged horizontally;

[0059] The top end of the reinforcing steel pipe 23 is fixedly connected to the top end of the vertical steel pipe 24 , and the bottom end of the reinforcing steel pipe 23 is fixedly connected to the inclined steel pipe 22 . The vertical steel pipe 24 , the reinforcing steel pipe 23 and part of the inclined steel pipe 22 form a triangular frame.

[0060] According to the above technical features, the working principle of the steel box composite beam bridge deck wing plate bracket device provided by the present application in the actual application scenario is:

[0061] The spacing of the brackets is 1.2m. The brackets are made according to the number of brackets used before construction. The channel steel bracket top beam 1 is welded to the supporting steel pipe 2, the reinforcing steel plate 5 is welded to the hanging point of the channel steel bracket top beam 1, and the guardrail upright 6 is welded to the end of the channel steel bracket top beam 1. Figure 7 As shown, during installation, first insert the adjustment base 3 into the lower part of the supporting steel pipe 2, then install the welded corbel bracket to the flange plate of the steel box girder through the hanger 4, and adjust the cross slope and angle by adjusting the base 3. After the installation is completed, install the edge guardrail and bottom mold, and then carry out the bridge deck construction. After the maintenance of the bridge deck is completed, remove the bottom mold and corbel bracket device.

[0062] Before removing the corbel bracket, first remove the guardrail and bottom mold by adjusting the suspension rod nut. Then remove the corbel bracket by removing the suspension rod nut, check and maintain it, and then move it to the next part for use.

[0063] This device can effectively reduce the construction process, improve construction efficiency, save construction costs, and ensure construction safety when constructing steel box composite beam bridge deck wing plates. Through the use of this device, the construction period is shortened, the brackets are installed on the steel box beam in advance, the time for high-altitude cross-operation is reduced, the construction safety risk is reduced, and the construction efficiency is accelerated. By adjusting the bottom support of the brackets, the cross slope and cantilever angle of the bridge deck wing plates can be accurately controlled to ensure the construction quality of the bridge deck. The device is simple to install and disassemble, easy to use, has high installation accuracy, and can be recycled

[0064] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on the several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0065] The above specific implementation methods further explain in detail the purpose, technical solutions and beneficial effects of the embodiments of the present application. It should be understood that the above are only specific implementation methods of the embodiments of the present application and are not used to limit the protection scope of the embodiments of the present application. Any modifications, equivalent substitutions, improvements, etc. made on the basis of the technical solutions of the embodiments of the present application should be included in the protection scope of the embodiments of the present application.

Claims

1. A steel box composite beam bridge deck wing plate bracket device, characterized in that: include; A support frame (2), wherein an inner spiral tube (21) is provided at the bottom end of the support frame (2), and the inner spiral tube (21) extends in a direction toward the web of the box beam; A channel steel corbel top beam (1), wherein the channel steel corbel top beam (1) is fixedly mounted on the top end of the support frame (2), and a first hanging hole (11) is provided at the end of the channel steel corbel top beam (1); A suspension rod (4), the suspension rod (4) passing through the first suspension hole (11) and connected to the steel box girder flange plate, so that the corbel bracket device is fixed on the steel box girder flange plate; An adjusting bottom support (3) is screwed to the inner screw tube (21), and a buckle top support (31) is provided at the end of the adjusting bottom support (3), and the buckle top support (31) abuts against the outer wall of the box beam web.

2. The steel box composite beam bridge deck wing plate bracket device according to claim 1, characterized in that: The bracket device also includes a reinforcing steel plate (5); The reinforcing steel plate (5) is fixedly arranged at the hanging point position of the channel steel corbel top beam (1), and a second hanging hole (51) is arranged on the reinforcing steel plate (5), and the second hanging hole (51) corresponds to the first hanging hole (11).

3. The steel box composite beam bridge deck wing plate bracket device according to claim 2 is characterized in that: The bracket device also includes a steel pipe guardrail upright (6); The steel pipe guardrail upright pole (6) is fixedly mounted on the end of the channel steel corbel top beam (1), and a finished guardrail is arranged on the steel pipe guardrail upright pole (6), and the finished guardrail surrounds the box beam flange plate.

4. The steel box composite beam bridge deck wing plate bracket device according to claim 1, characterized in that: The adjusting base (3) further comprises a lead screw (32) and a buckle nut (33); The outer wall of the lead screw (32) is threadedly connected to the inner wall of the inner screw tube (21), and the buckle support (31) is arranged at the end of the lead screw (32) facing the box beam web; The buckle nut (33) is screwed to the outer wall of the lead screw (32), and the buckle nut (33) is clamped with the end of the inner screw tube (21).

5. The steel box composite beam bridge deck wing plate bracket device according to claim 1 or 3, characterized in that: The suspension rod (4) comprises a threaded suspension rod (41) and two sets of nuts (42); The threaded suspension rod (41) passes through the first suspension hole (11) and the steel box beam flange plate, and the two groups of nuts (42) are respectively screwed to the upper and lower outer walls of the threaded suspension rod (41).

6. The steel box composite beam bridge deck wing plate bracket device according to claim 5, characterized in that: The support frame (2) further comprises a vertical steel pipe (24), an inclined steel pipe (22) and a reinforcing steel pipe (23); The plurality of vertical steel pipes (24) are arranged in order from long to short, the top ends of the plurality of vertical steel pipes (24) are located on the same plane and are fixedly connected to the channel steel corbel top beam (1), the bottom ends of the plurality of vertical steel pipes (24) are located on the same inclined plane and are fixedly connected to the inclined steel pipe (22), and the channel steel corbel top beam (1), the inclined steel pipe (22) and the plurality of vertical steel pipes (24) form a triangular bracket; The inner spiral tube (21) is fixedly arranged at the bottom end of the triangular bracket; The top end of the reinforcing steel pipe (23) is fixedly connected to the top end of the vertical steel pipe (24), and the bottom end of the reinforcing steel pipe (23) is fixedly connected to the inclined steel pipe (22); the vertical steel pipe (24), the reinforcing steel pipe (23) and part of the inclined steel pipe (22) form a triangular frame.

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