Automatic bar distributing device for box girder bottom web bars

Abstract

The utility model discloses an automatic bar distributing device for box girder bottom web bars, which relates to the technical field of box girder construction and comprises a suspension distributing mechanism, tracks are arranged on two sides of the lower end of the suspension distributing mechanism, and a steel bar placing mechanism is arranged on one side of the suspension distributing mechanism. According to the utility model, through the combined arrangement of the suspension material distribution mechanism, the material rack lifting mechanisms and the steel bar placing mechanism, during use, the steel bars only need to be loaded to the steel bar placing mechanism, and then the steel bar placing mechanism is placed above the four material rack lifting mechanisms by a crane, so that the steel bars can be placed on the material rack lifting mechanisms, and the steel bars can be placed on the material rack lifting mechanisms. In this way, a plurality of box girder bottom web steel bars are suspended to move, normal use of a crane is not affected, production of other box girders is not affected, production efficiency is guaranteed, the steel bars are moved to the steel bar clamping fixture, binding production is facilitated, and production difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of box girder construction, in particular to an automatic reinforcement arrangement device for the bottom web reinforcement of a box girder. Background Art

[0002] Box girder is a type of beam in bridge engineering. It is hollow inside and has flanges on both sides of the upper part, similar to a box, hence the name. It is divided into single box and multiple boxes. Box girders of reinforced concrete structure are divided into prefabricated box girders and cast-in-place box girders. Box girders prefabricated in an independent site can be erected with a bridge erection machine after the lower part of the project is completed, which can speed up the project progress and save construction time; cast-in-place box girders are mostly used for large continuous bridges.

[0003] In the prior art, during the production process of box girders, the steel bars located at the bottom web are usually transported one by one and placed in a steel bar mold for binding. However, due to the large number of steel bars, transporting them one by one takes a long time, and the weight of the steel bars is large, which makes it inconvenient to lay out and bind the steel bars. Utility Model Content

[0004] The utility model aims to solve the problem that in the prior art, during the production process of a box girder, when tying the steel bars at the bottom web, the steel bars are mostly transported one by one and placed in a steel bar mold for tying, but since there are a large number of steel bars, it takes a long time to transport them one by one, and the weight of the steel bars is large, which makes it inconvenient to lay out and tie the steel bars. An automatic reinforcement device for the bottom web of a box girder is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic reinforcement device for the bottom web of a box girder comprises a suspension material distribution mechanism, tracks are arranged on both sides of the lower end of the suspension material distribution mechanism, a steel bar placement mechanism is arranged on one side of the suspension material distribution mechanism, a material rack lifting mechanism is arranged on both sides below the steel bar placement mechanism, the suspension material distribution mechanism comprises a general frame, both sides inside the general frame are fixedly connected with material rack positioning grooves, the steel bar placement mechanism comprises a connecting frame, both sides of the connecting frame are fixedly connected with limiting blocks, the material rack lifting mechanism comprises a supporting frame, a lifting frame is arranged in the middle of the supporting frame, a screw rod lift is fixedly connected to the middle of the upper end of the supporting frame, the upper end of the screw rod lift is fixedly connected to the lifting frame, both sides of the upper end of the lifting frame are fixedly connected with conical positioning blocks, the conical positioning blocks are plugged with the connecting frame, the general frame is formed by a combination of frames symmetrical to each other on the left and right sides, a connecting plate is used in the middle for installation, and the total width of the general frame can be adjusted by increasing the plate between the connecting plates.

[0006] Preferably, two corners on one side of the lower end of the main frame are fixedly connected to driven wheels, and two corners on the other side of the lower end of the main frame are fixedly connected to driving wheels.

[0007] Preferably, an encoder is provided on one side of each of the two driving wheels, and the encoder is fixedly connected to the overall frame.

[0008] Preferably, a control cabinet and a power cable receiver are fixedly connected to one side of the general frame, and the control cabinet is electrically connected to the power cable receiver, the driving wheel, the screw lift and the encoder.

[0009] Preferably, guide bearings are provided on both sides of the support frame, and the guide bearings are in contact with the surface of the lifting frame.

[0010] Preferably, both sides of the upper end of the connecting frame are rotatably connected with synchronous transmission parts, and both ends of the two synchronous transmission parts are transmission-connected with a driving chain.

[0011] Preferably, a driving mechanism is fixedly connected to one side of the connecting frame, an output end of the driving mechanism is fixedly connected to one end of one of the synchronous transmission members, and a hook is fixedly connected to one side of the driving chain.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, through the combined arrangement of the suspension material-laying mechanism, the material rack lifting mechanism and the steel bar placing mechanism, when in use, it is only necessary to load the steel bars into the steel bar placing mechanism, and then the crane places the steel bar placing mechanism above the four material rack lifting mechanisms, and then the suspension material-laying mechanism transfers the steel bar placing mechanism to the top of the steel bar jig for material laying. In this way, multiple box girder bottom web bars are suspended for movement without affecting the normal use of the crane or the production of other box girders, thereby ensuring production efficiency. The steel bars are moved to the steel bar jig, which is also convenient for binding production and reduces production difficulty.

[0014] 2. In the utility model, by setting the driving mechanism and the hook, when laying reinforcement, by controlling the moving position of the general frame, the driving mechanism controls the rotation of the driving chain, and the bottom web reinforcements of the box beam are released one by one and fall on the steel bar mold. In this way, automatic reinforcement is carried out, which further reduces the difficulty of production, improves production efficiency, and reduces labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural diagram of an automatic reinforcement arrangement device for the bottom web of a box beam proposed in the utility model;

[0016] Figure 2 The utility model proposes an automatic reinforcement device for the bottom web reinforcement of a box beam Figure 1 A schematic diagram of the enlarged structure of the middle A area;

[0017] Figure 3The utility model provides a three-dimensional structural schematic diagram of the suspension material distribution mechanism in the automatic reinforcement distribution device for the bottom web reinforcement of the box beam;

[0018] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a material rack lifting mechanism in an automatic reinforcement arrangement device for bottom web reinforcement of a box beam.

[0019] Legend:

[0020] 1. Suspension fabric mechanism; 11. Overall frame; 12. Driving wheel; 13. Driven wheel; 14. Encoder; 15. Control cabinet; 16. Power cord take-up device; 17. Material rack positioning slot;

[0021] 2. Material rack lifting mechanism; 21. Support frame; 22. Lifting frame; 23. Conical positioning block; 24. Guide bearing; 25. Screw lift;

[0022] 3. Rebar placement mechanism; 31. Connection frame; 32. Driving mechanism; 33. Driving chain; 34. Synchronous transmission member; 35. Hook; 36. Limiting block;

[0023] 4. Track. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] Embodiment 1: Figure 1 - Figure 4As shown, the utility model provides an automatic reinforcement arrangement device for the bottom web of a box beam, comprising a suspension material arrangement mechanism 1, tracks 4 are arranged on both sides of the lower end of the suspension material arrangement mechanism 1, a steel bar placing mechanism 3 is arranged on one side of the suspension material arrangement mechanism 1, and a material rack lifting mechanism 2 is arranged on both sides below the steel bar placing mechanism 3, the suspension material arrangement mechanism 1 comprises a general frame 11, both sides of the interior of the general frame 11 are fixedly connected with material rack positioning grooves 17, the steel bar placing mechanism 3 comprises a connecting frame 31, both sides of the connecting frame 31 are fixedly connected with limiting blocks 36, and the material rack lifting mechanism 2 is arranged on both sides of the lower end of the suspension material arrangement mechanism 1. The lifting mechanism 2 includes a supporting frame 21, a lifting frame 22 is arranged in the middle of the supporting frame 21, a screw lift 25 is fixedly connected to the middle of the upper end of the supporting frame 21, the upper end of the screw lift 25 is fixedly connected to the lifting frame 22, and both sides of the upper end of the lifting frame 22 are fixedly connected with conical positioning blocks 23, and the conical positioning blocks 23 are plugged into the connecting frame 31. The overall frame 11 is formed by a combination of frames symmetrical on the left and right sides, and a connecting plate is used in the middle for installation. The total width of the overall frame 11 can be adjusted by increasing the plate materials between the connecting plates.

[0027] The specific settings and functions of this embodiment are described in detail below. Through the combined settings of the suspended material distribution mechanism 1, the material rack lifting mechanism 2, and the steel bar placement mechanism 3, when in use, it is only necessary to load the steel bars into the steel bar placement mechanism 3, and then the crane places the steel bar placement mechanism 3 above the four material rack lifting mechanisms 2, and then the suspended material distribution mechanism 1 transfers the steel bar placement mechanism 3 to the top of the steel bar mold for material distribution. In this way, multiple box girder bottom web reinforcements are suspended for movement without affecting the normal use of the crane or the production of other box girders, thereby ensuring production efficiency. Moving the steel bars to the steel bar mold also facilitates binding production and reduces production difficulty.

[0028] Embodiment 2: Figure 1 - Figure 4As shown, two corners on one side of the lower end of the main frame 11 are fixedly connected with driven wheels 13, two corners on the other side of the lower end of the main frame 11 are fixedly connected with driving wheels 12, one side of the two driving wheels 12 is provided with encoders 14, the encoder 14 is fixedly connected to the main frame 11, one side of the main frame 11 is fixedly connected with a control cabinet 15 and a power cord receiver 16, the control cabinet 15 is electrically connected with the power cord receiver 16, the driving wheel 12, the screw lift 25 and the encoder 14, both sides of the support frame 21 are provided with guide bearings 24, the guide bearings 24 are in contact with the surface of the lifting frame 22, both sides of the upper end of the connecting frame 31 are rotatably connected with synchronous transmission members 34, and both ends of the two synchronous transmission members 34 are transmission-connected with driving members. Chain 33, one side of the connecting frame 31 is fixedly connected with a driving mechanism 32, the output end of the driving mechanism 32 is fixedly connected to one end of one of the synchronous transmission members 34, and one side of the driving chain 33 is fixedly connected with a hook 35. The material rack positioning slot 17 control and the limiting block 36 have the same shape, and the two sides above the material rack positioning slot 17 control are inclined to facilitate the connection between the limiting block 36 and the material rack positioning slot 17. The driving wheel 12 is driven by a servo motor, and the driven wheel 13 is equipped with a mold spring to ensure that the roller is in real-time contact with the track and is not suspended. The driving wheel 12 and the driven wheel 13 are both installed on the track 4. The synchronous transmission member 34 is a sprocket fixedly connected to the two ends of the shaft, the driving chain is connected to the sprocket, and the driving mechanism 32 is connected to the shaft.

[0029] The effect achieved by the entire embodiment is that, through the setting of the driving mechanism 32 and the hook 35, when laying reinforcement, by controlling the moving position of the main frame 11, the driving mechanism 32 controls the driving chain 33 to rotate, and the bottom web reinforcements of the box beam are released one by one and fall on the steel bar mold. In this way, automatic reinforcement is carried out, which further reduces the difficulty of production, improves production efficiency, and reduces labor intensity.

[0030] The use method and working principle of this device: When in use, install the bottom web reinforcement of the box beam on the hook 35, so that the reinforcement placement mechanism 3 is in a fully loaded state, and then use the crane to move the reinforcement placement mechanism 3 to the top of the material rack lifting mechanism 2, and align the conical positioning block 23 with the notch connected to it on the connecting frame 31, and connect the reinforcement placement mechanism 3 with the material rack lifting mechanism 2. At this time, the material rack lifting mechanism 2 is extended to the highest point, and then the driving wheel 12 is controlled to start, driving the main frame 11 to move, and the walking distance is monitored by the encoder 14. When all the material rack positioning slots 17 move to the bottom of the limiting block 36, the main frame 11 stops moving, the screw elevator 25 starts, and the lifting frame 22 is controlled to descend to the lowest point, and the limiting block 36 falls into the material rack positioning slot 17. The main frame 11 moves again, and the steel bar placement mechanism 3 is moved to the top of the steel bar mold. According to the different moving positions, the driving mechanism 32 drives the driving chain 33 to rotate, and the box girder bottom web reinforcements in the hook 35 will fall into the steel bar mold one by one, so as to lay the reinforcement, and then the workers can tie the box girder bottom web reinforcement.

[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. Automatic reinforcement device for bottom web reinforcement of box beam, characterized by: The invention comprises a suspension material distribution mechanism (1), wherein rails (4) are arranged on both sides of the lower end of the suspension material distribution mechanism (1), a steel bar placement mechanism (3) is arranged on one side of the suspension material distribution mechanism (1), and a material rack lifting mechanism (2) is arranged on both sides below the steel bar placement mechanism (3), the suspension material distribution mechanism (1) comprises a general frame (11), and both sides of the interior of the general frame (11) are fixedly connected with material rack positioning grooves (17), and the steel bar placement mechanism (3) comprises a connecting frame (31), and the connecting frame (31) ) are fixedly connected with limiting blocks (36) on both sides, the material rack lifting mechanism (2) comprises a supporting frame (21), a lifting frame (22) is arranged in the middle of the supporting frame (21), a screw lift (25) is fixedly connected to the middle of the upper end of the supporting frame (21), the upper end of the screw lift (25) is fixedly connected to the lifting frame (22), and conical positioning blocks (23) are fixedly connected to both sides of the upper end of the lifting frame (22), and the conical positioning blocks (23) are plugged into the connecting frame (31).

2. The automatic reinforcement arrangement device for the bottom web of a box beam according to claim 1 is characterized in that: Two corners on one side of the lower end of the main frame (11) are fixedly connected to driven wheels (13), and two corners on the other side of the lower end of the main frame (11) are fixedly connected to driving wheels (12).

3. The automatic reinforcement arrangement device for the bottom web of a box beam according to claim 2 is characterized in that: An encoder (14) is provided on one side of each of the two driving wheels (12), and the encoder (14) is fixedly connected to the overall frame (11).

4. The automatic reinforcement arrangement device for the bottom web of a box beam according to claim 3 is characterized in that: A control cabinet (15) and a power cable receiver (16) are fixedly connected to one side of the general frame (11), and the control cabinet (15) is electrically connected to the power cable receiver (16), the driving wheel (12), the screw lift (25) and the encoder (14).

5. The automatic reinforcement arrangement device for the bottom web of a box beam according to claim 1 is characterized in that: Guide bearings (24) are provided on both sides of the support frame (21), and the guide bearings (24) are in contact with the surface of the lifting frame (22).

6. The automatic reinforcement arrangement device for the bottom web of a box beam according to claim 1 is characterized in that: Both sides of the upper end of the connection frame (31) are rotatably connected with synchronous transmission members (34), and both ends of the two synchronous transmission members (34) are transmission-connected with a driving chain (33).

7. The automatic reinforcement arrangement device for the bottom web of a box beam according to claim 6, characterized in that: A driving mechanism (32) is fixedly connected to one side of the connecting frame (31), an output end of the driving mechanism (32) is fixedly connected to one end of one of the synchronous transmission members (34), and a hook (35) is fixedly connected to one side of the driving chain (33).

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