Steel structure bridge box girder drilling workbench

Abstract

The utility model discloses a steel structure bridge box girder drilling workbench which comprises a bottom frame, the inner wall of the bottom frame is fixedly connected with a guide roller frame, guide rollers are arranged in gaps of the guide roller frame at equal intervals, one side of the top of the bottom frame is fixedly connected with a stand column, the top of the stand column is fixedly connected with a drilling mechanism, and the top of the drilling mechanism is fixedly connected with a hydraulic cylinder. The drilling mechanism corresponds to the guide roller, and a jacking device is arranged in the bottom frame. According to the drilling workbench for the steel structure bridge box girder, the guide roller frame is arranged in the bottom frame and used for installing guide rollers, the bridge box girder is arranged on the guide rollers, a worker can adjust the position of the bridge box girder so that the drilling mechanism can be used for drilling the bridge box girder, meanwhile, the jacking device is arranged in the bottom frame, and when the bridge box girder moves to the designated position, the jacking device can jack the bridge box girder to move to the designated position. The bridge box girder is jacked up through the jacking device, then the position of the bridge box girder is fixed, stable drilling of the bridge box girder is achieved, and the drilling precision is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of steel box girders, and more specifically to a drilling workbench for steel structure bridge box girders. Background Art

[0002] A steel structure bridge is a bridge whose main load-bearing structure is made of steel. The main design concept of a steel structure bridge is to assemble a prefabricated steel bridge that can bear various loads and different spans with a minimum number of unit components. During the production and processing of steel structure bridge box girder components, holes need to be drilled in the bridge box girder. At present, the existing steel structure bridge box girder drilling workbench is not convenient for workers to move the bridge box girder position, which affects the drilling efficiency. At the same time, it is not convenient for workers to fix the bridge box girder, which affects the drilling accuracy and cannot meet the use requirements. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the problem that the existing drilling workbench for steel structure bridge box girder in the prior art is that it is inconvenient for the staff to move the position of the bridge box girder, which affects the drilling efficiency. At the same time, it is inconvenient for the staff to fix the bridge box girder, which affects the drilling accuracy and cannot meet the use requirements, the purpose of the utility model is to provide a drilling workbench for steel structure bridge box girder, which can realize the internal arrangement of a guide roller frame for installing the guide roller, and the top of the bottom frame is provided with a column for installing the drilling mechanism, and the bridge box girder is placed on the guide roller. The staff can adjust the position of the bridge box girder, so as to use the drilling mechanism to drill the bridge box girder, and at the same time, a jacking device is arranged inside the bottom frame. When the bridge box girder is moved to the specified position, the jacking device is used to jack up the bridge box girder, and then the position of the bridge box girder is fixed, so as to realize stable drilling of the bridge box girder, ensure the drilling accuracy and meet the use requirements.

[0005] 2. Technical solution

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A steel structure bridge box girder drilling workbench comprises a bottom frame, an inner wall of the bottom frame is fixedly connected to a guide roller frame, guide rollers are arranged at equal intervals in the gaps of the guide roller frame, a column is fixedly connected to one side of the top of the bottom frame, a drilling mechanism is fixedly connected to the top of the column, the drilling mechanism corresponds to the guide roller, and a jacking device is arranged inside the bottom frame, and the jacking device is used to jack up the bridge box girder assembly.

[0008] Preferably, the drilling mechanism includes a guide rod, a support frame, an electric telescopic rod and a drilling rig, the guide rod is fixedly connected to the top of the column, the top of the guide rod is fixedly connected to the support frame, the middle of the support frame is provided with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected to the drilling rig.

[0009] Preferably, moving blocks are fixedly connected to both sides of the drilling rig, and the moving blocks are slidably connected to the guide rod.

[0010] Preferably, the lifting device includes a hydraulic telescopic rod, a moving plate and a push rod. A hydraulic telescopic rod is provided at the bottom of the inner wall of the bottom frame. The output end of the hydraulic telescopic rod is fixedly connected to the moving plate. The top of the moving plate is fixedly connected to the push rod. The push rod is located in the gap between the guide rollers.

[0011] Preferably, a rubber pad is fixedly connected to the top of the push rod.

[0012] Preferably, a fixing plate is fixedly connected to the inner wall of the bottom frame, and the top rod penetrates the fixing plate and is slidably connected thereto.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] A guide roller frame is set inside the bottom frame to install the guide roller, and a column is set on the top of the bottom frame to install the drilling mechanism. The bridge box girder is placed on the guide roller. The staff can adjust the position of the bridge box girder and use the drilling mechanism to drill holes in the bridge box girder.

[0016] By setting a jacking device inside the bottom frame, when the bridge box girder moves to the specified position, the jacking device is used to jack up the bridge box girder, and then the position of the bridge box girder is fixed, so as to achieve stable drilling of the bridge box girder and ensure the drilling accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall external structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall internal structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the drilling mechanism structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the jacking device of the utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Bottom frame; 2. Guide roller frame; 3. Guide roller; 4. Column; 5. Drilling mechanism; 51. Guide rod; 52. Support frame; 53. Electric telescopic rod; 54. Drilling machine; 55. Moving block; 6. Lifting device; 61. Hydraulic telescopic rod; 62. Moving plate; 63. Push rod; 64. Rubber pad; 65. Fixed plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] See also Figure 1-4 The utility model provides a technical solution: a steel structure bridge box girder drilling workbench, comprising a bottom frame 1, a guide roller frame 2 is fixedly connected to the inner wall of the bottom frame 1, guide rollers 3 are arranged at equal intervals in the gaps of the guide roller frame 2, a column 4 is fixedly connected to one side of the top of the bottom frame 1, a drilling mechanism 5 is fixedly connected to the top of the column 4, the drilling mechanism 5 corresponds to the guide roller 3, a jacking device 6 is arranged inside the bottom frame 1, and the jacking device 6 is used to jack up the bridge box girder assembly. A guide roller frame 2 is arranged inside the bottom frame 1 for installing the guide roller 3, and a column 4 is arranged on the top of the bottom frame 1 for installing the drilling mechanism 5. The bridge box girder is placed on the guide roller 3, and the staff can adjust the position of the bridge box girder, so as to drill holes in the bridge box girder by using the drilling mechanism 5. At the same time, a jacking device 6 is arranged inside the bottom frame 1. When the bridge box girder moves to the specified position, the jacking device 6 is used to jack up the bridge box girder, and then the position of the bridge box girder is fixed. At this time, the drilling mechanism 5 is used to drill holes, so as to realize stable drilling of the bridge box girder and ensure the drilling accuracy.

[0026] The drilling mechanism 5 includes a guide rod 51, a support frame 52, an electric telescopic rod 53 and a drilling machine 54. The guide rod 51 is fixedly connected to the top of the column 4, the top of the guide rod 51 is fixedly connected to the support frame 52, the middle of the support frame 52 is provided with an electric telescopic rod 53, and the output end of the electric telescopic rod 53 is fixedly connected to the drilling machine 54. The drilling mechanism is provided, and the drilling machine 54 is an existing known technology. The electric telescopic rod 53 works to drive the drilling machine 54 to move, thereby drilling holes in the bridge box girder.

[0027] Among them, the two sides of the drilling machine 54 are fixedly connected with the moving blocks 55, and the moving blocks 55 are slidably connected with the guide rod 51. The moving blocks 55 are arranged on both sides of the drilling machine 54, and the moving blocks 55 slide with the guide rod 51 to improve the drilling movement stability of the drilling machine 54.

[0028] The jacking device 6 includes a hydraulic telescopic rod 61, a moving plate 62 and a push rod 63. The bottom of the inner wall of the bottom frame 1 is provided with a hydraulic telescopic rod 61. The output end of the hydraulic telescopic rod 61 is fixedly connected with the moving plate 62. The top of the moving plate 62 is fixedly connected with the push rod 63. The push rod 63 is located in the gap between the guide rollers 3. The jacking device 6 is provided. When the bridge box girder moves to the specified position, the hydraulic telescopic rod 61 works, drives the moving plate 62 to move, drives the push rod 63 to move, thereby jacking up the bridge box girder, and then fixes the position of the bridge box girder. At this time, the drilling mechanism 5 is used for drilling. The jacking device 6 is composed of three parts, which can be selected according to the size of the bridge box girder to improve the scope of use.

[0029] The top of the top rod 63 is fixedly connected with a rubber pad 64. The rubber pad 64 is provided to improve the protection of the bridge box girder.

[0030] The inner wall of the bottom frame 1 is fixedly connected with a fixing plate 65, and the top rod 63 penetrates and is slidably connected with the fixing plate 65. The fixing plate 65 is provided, and the top rod 63 is slidably connected with the fixing plate 65 to improve the movement stability of the top cover 63, thereby stably supporting the bridge box girder.

[0031] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model and any equivalent replacement or change based on the technical solution and improved concept of the utility model shall be included in the protection scope of the utility model.

Claims

1. A steel structure bridge box girder drilling workbench, comprising a bottom frame (1), characterized in that: The inner wall of the bottom frame (1) is fixedly connected to a guide roller frame (2), and guide rollers (3) are arranged at equal intervals in the gaps of the guide roller frame (2). A column (4) is fixedly connected to one side of the top of the bottom frame (1), and a drilling mechanism (5) is fixedly connected to the top of the column (4), and the drilling mechanism (5) corresponds to the guide roller (3). A lifting device (6) is arranged inside the bottom frame (1), and the lifting device (6) is used to lift the bridge box girder assembly.

2. The steel structure bridge box girder drilling workbench according to claim 1 is characterized by: The drilling mechanism (5) comprises a guide rod (51), a support frame (52), an electric telescopic rod (53) and a drilling rig (54); the guide rod (51) is fixedly connected to the top of the column (4); the top of the guide rod (51) is fixedly connected to the support frame (52); the middle of the support frame (52) is provided with an electric telescopic rod (53); and the output end of the electric telescopic rod (53) is fixedly connected to the drilling rig (54).

3. The steel structure bridge box girder drilling workbench according to claim 2 is characterized in that: Movable blocks (55) are fixedly connected to both sides of the drilling machine (54), and the movable blocks (55) are slidably connected to the guide rod (51).

4. The steel structure bridge box girder drilling workbench according to claim 1 is characterized in that: The lifting device (6) comprises a hydraulic telescopic rod (61), a moving plate (62) and a push rod (63); the hydraulic telescopic rod (61) is arranged at the bottom of the inner wall of the bottom frame (1); the output end of the hydraulic telescopic rod (61) is fixedly connected to the moving plate (62); the top of the moving plate (62) is fixedly connected to the push rod (63); and the push rod (63) is located in the gap between the guide rollers (3).

5. The steel structure bridge box girder drilling workbench according to claim 4 is characterized in that: A rubber pad (64) is fixedly connected to the top of the push rod (63).

6. The steel structure bridge box girder drilling workbench according to claim 4, characterized in that: A fixing plate (65) is fixedly connected to the inner wall of the bottom frame (1), and the top rod (63) penetrates and is slidably connected to the fixing plate (65).

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