Adjustable convenient steel beam welding and self-checking platform

Abstract

The utility model discloses an adjustable and convenient steel beam welding and self-checking platform which comprises a lower layer steel frame, a lower layer steel frame, a lower layer steel frame, a lower layer steel frame and an upper layer steel frame, wherein one end of the lower layer steel frame is connected with a lower flange of a steel beam through a sliding fastening device; the adjustable supporting steel truss is obliquely arranged above the lower-layer steel frame, and one end of the adjustable supporting steel truss is connected with the upper flange of the steel beam through a fastening mechanism; the hinge device is connected between the lower-layer steel frame and the other end of the adjustable supporting steel truss; the sliding type fastening device comprises an upper steel connecting rod fixedly connected with the lower-layer steel frame and a lower steel connecting rod connected with the lower-layer steel frame in an up-down sliding mode, and steel rolling wheels rolling on the upper surface and the lower surface of the lower flange of the steel beam respectively are installed on the upper steel connecting rod and the lower steel connecting rod. Welding and self-checking work can be conducted on steel beams at different section positions, welding efficiency is improved, operation is easy and convenient, and safety and reliability are achieved; the technical problems that an existing welding hanging basket and an existing welding platform are complex in structure, large in size, heavy and the like, and the construction progress is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aerial working tools in construction engineering, in particular to an adjustable and convenient steel beam welding and self-inspection platform. Background Art

[0002] With the development of construction technology, the requirements for project construction efficiency are getting higher and higher. Steel structures are widely used in various projects due to their advantages of high construction efficiency and short construction period. However, in high-rise or super-high-rise buildings, workers need to use hanging cages during high-altitude welding of steel beams. The end of the suspension beam of a conventional hanging cage is set as a 90° hook structure with a fixed width, which is only suitable for H-shaped steel beams with one flange plate width. It is not suitable for steel beams with wider or narrower flange plates, and it is easy to cause safety accidents.

[0003] In the actual construction process, there are many specifications and models of steel beams. Therefore, when welding steel beams of different specifications and models, welders are required to frequently change cages of different specifications at high altitudes. The quality of high-altitude welding is difficult to guarantee, which not only reduces work efficiency, but also poses great safety hazards.

[0004] Therefore, the industry urgently needs an adjustable and convenient steel beam welding and self-inspection platform to solve problems such as low efficiency and safety hazards in welding quality inspection. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the technical problem to be solved by the utility model is to provide an adjustable and convenient steel beam welding and self-inspection platform, which is suitable for steel beams of different specifications and models, avoiding the safety risks caused by frequent replacement of applicable welding platforms, and can perform welding and self-inspection work on steel beams at different cross-sectional positions, thereby improving welding efficiency, facilitating operation, and being safe and reliable; and solving the technical problem that the existing welding hanging baskets and welding platforms affect the construction progress due to their complex structure, large size, and bulky weight.

[0006] To achieve the above-mentioned purpose, the utility model provides an adjustable and convenient steel beam welding and self-inspection platform, comprising: a lower steel frame, one end of which is connected to the lower flange of the steel beam through a sliding fastening device; an adjustable supporting steel truss, which is obliquely arranged above the lower steel frame, one end of which is connected to the upper flange of the steel beam through a fastening mechanism; a hinge device, which is connected between the lower steel frame and the other end of the adjustable supporting steel truss; the sliding fastening device comprises an upper steel connecting rod fixedly connected to the lower steel frame, and a lower steel connecting rod slidably connected to the lower steel frame up and down, and the upper steel connecting rod and the lower steel connecting rod are provided with steel rollers that roll on the upper and lower surfaces of the lower flange of the steel beam respectively.

[0007] Preferably, an adjustable vertical box structure is provided below the lower steel frame, and the lower steel connecting rod passes through the adjustable vertical box structure; a vertical strip groove is formed on the adjustable vertical box structure, and the lower adjusting bolt passes through the vertical strip groove to fix the lower steel connecting rod located in the adjustable vertical box structure.

[0008] Furthermore, the lower steel frame is composed of a main steel frame and a secondary steel frame, the main steel frame is composed of horizontal box-shaped steel beams, and the secondary steel frame is composed of circular steel beams; the adjustable supporting steel truss is composed of inclined box-shaped steel beams, truss circular connecting rods, truss reinforcement rods and retractable circular tubes, the retractable circular tubes are connected between the horizontal box-shaped steel beams and the inclined box-shaped steel beams, and the truss reinforcement rods are connected between the two truss circular connecting rods.

[0009] Preferably, the connecting gap between the horizontal box-type steel beam and the circular steel beam is sealed with a sealing steel plate, wherein the sealing steel plate is respectively connected to the horizontal box-type steel beam and the circular steel beam by welding, and a circular groove with the same diameter as the circular steel beam is left on the sealing steel plate to facilitate welding of the sealing steel plate and the circular steel beam.

[0010] Furthermore, the connection gap between the inclined box-shaped steel beam and the truss circular connecting rod is filled with a sealing steel plate, wherein the sealing steel plate is welded to the inclined box-shaped steel beam, and a circular hole with a diameter larger than that of the truss circular connecting rod is left on the sealing steel plate.

[0011] Furthermore, a first lower connecting steel plate is connected between two upper steel connecting rods located on the same horizontal plane, and a second lower connecting steel plate is connected between two lower steel connecting rods located on the same horizontal plane, and mounting bolts are threadedly connected to the first lower connecting steel plate and the second lower connecting steel plate.

[0012] Furthermore, the fastening mechanism includes a mounting groove for placing the upper flange of the steel beam and a fastening bolt threadedly connected to the mounting groove.

[0013] From the above, compared with the prior art, the adjustable and convenient steel beam welding and self-inspection platform of the utility model has at least the following beneficial effects:

[0014] 1. The utility model solves the problems of welding steel beams of different specifications, limited size of welding platform, welding steel beams at different positions and maintenance at different positions after welding during high-altitude welding through a simple and reasonable adjustable welding and maintenance platform.

[0015] 2. The utility model can clamp the upper and lower flanges of steel beams of different specifications and positions through the upper fastening mechanism and the lower sliding fastening device, and can adjust the size of the welding platform to match the actual project by using the adjustable supporting steel truss and the lower steel frame;

[0016] 3. The steel rollers in the lower sliding fastening device are used to perform the maintenance work on the steel beam after welding. This device is suitable for welding and maintenance of steel beams of different sizes and positions, reducing the risks caused by frequent replacement of the welding platform structure. It has a simple structure, scientific and reasonable design, and greatly improves work efficiency.

[0017] 4. Convenient and simple, with scientific and reasonable design, the installation position and the connection angle between the upper and lower layers can be flexibly adjusted, and it can realize welding of steel beams of different specifications and self-inspection after welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the adjustable and convenient steel beam welding and self-inspection platform of the utility model installed on the steel beam;

[0020] Figure 2 This is a lower structural diagram of the adjustable and convenient steel beam welding and self-inspection platform of the utility model;

[0021] Figure 3 This is the upper structure diagram of the adjustable and convenient steel beam welding and self-inspection platform of the utility model;

[0022] Figure 4 It is a side view of the adjustable and convenient steel beam welding and self-inspection platform of the utility model.

[0023] In the figure: 1-lower steel frame, 11-horizontal box-type steel beam, 12-circular steel beam, 13-sealing steel plate, 14-adjustable vertical box structure, 15-upper steel connecting rod, 16-first lower connecting steel plate, 17-mounting bolts, 18-steel rollers, 19-lower steel connecting rod, 110-lower adjusting bolts, 111-hinge device, 2-adjustable supporting steel truss, 21-inclined box-type steel beam, 22-truss circular connecting rod, 23-truss reinforcement rod, 24-retractable circular tube, 25-upper adjusting bolts, 26-fastening mechanism. DETAILED DESCRIPTION

[0024] 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 the embodiments. 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.

[0025] See below Figure 1 to Figure 4 The adjustable and convenient steel beam welding and self-inspection platform of the utility model is described in detail.

[0026] The adjustable and convenient steel beam welding and self-inspection platform of the utility model comprises a lower steel frame 1, an adjustable supporting steel truss 2 inclinedly arranged above the lower steel frame 1, a sliding fastening device located at the lower layer, a fastening mechanism 26 located at the upper layer, and an articulation device 111 for connecting the upper and lower adjustable supporting steel trusses 2 and the lower steel frame 1. One end of the lower steel frame 1 is connected to the lower flange of the steel beam through the sliding fastening device, one end of the adjustable supporting steel truss 2 is connected to the upper flange of the steel beam through the fastening mechanism 26, and the articulation device 111 is connected between the lower steel frame 1 and the other end of the adjustable supporting steel truss 2. The upper and lower layers are connected through the articulation device 111, which can realize the welding of steel beams of different specifications and the inspection after welding.

[0027] The sliding fastening device of the lower layer includes an upper steel connecting rod 15 fixedly connected to the lower steel frame 1, and a lower steel connecting rod 19 connected to the lower steel frame 1 in an upward and downward sliding manner. The upper steel connecting rod 15 and the lower steel connecting rod 19 are respectively provided with steel rollers 18 rolling on the upper and lower surfaces of the lower flange of the steel beam. An adjustable vertical box-type structure 14 is provided below the lower steel frame 1, and the lower steel connecting rod 19 passes through the adjustable vertical box-type structure 14. A vertical strip groove is formed on the adjustable vertical box-type structure 14, and the lower adjusting bolt 110 passes through the vertical strip groove to fix the lower steel connecting rod 19 located in the adjustable vertical box-type structure 14. Specifically, the lower steel connecting rod 19 located in the adjustable vertical box structure 14 has a through hole for the lower adjusting bolt 110 to pass through. The vertical height of the lower steel connecting rod 19 is adjusted by moving the lower adjusting bolt 110 up and down in the vertical strip groove. After the height adjustment is completed, the lower adjusting bolt 110 is locked to fix the lower steel connecting rod 19.

[0028] A first lower connecting steel plate 16 is connected between two upper steel connecting rods 15 located on the same horizontal plane, a second lower connecting steel plate is connected between two lower steel connecting rods 19 located on the same horizontal plane, and mounting bolts 17 are threadedly connected to the first lower connecting steel plate 16 and the second lower connecting steel plate. The steel roller 18 can realize the functions of tightening adjustment and rolling. The installation method is to adjust the vertical height of the two steel rollers on the same vertical plane according to the flange thickness of different steel beams, so that the steel roller 18 is clamped to the lower flange of the steel beam and then matched with the mounting bolts 17 to complete the fixation. After the subsequent installation is completed, the steel roller 18 can be used for sliding maintenance.

[0029] In addition, the steel rollers 18 fixed on the upper steel connecting rods 15 and the lower steel connecting rods 19 are engaged with the lower flange of the steel beam. At the same time, in order to increase stability, the first lower connecting steel plate 16 and the second lower connecting steel plate are provided with mounting bolts 17 to fix the sliding fastening device on the lower flange of the steel beam. The lower steel connecting rod 19 is placed in the groove of the adjustable vertical box-type structure 14, and the adjustable vertical box-type structure 14 can adjust the spacing between the upper steel connecting rod 15 and the lower steel connecting rod 19 through the lower steel connecting rod 19 and the lower adjusting bolts 110, so as to achieve the adjustment of the spacing of the steel rollers 18 in the same vertical plane. Figure 4 As shown, the steel roller 18 in the lower sliding fastening device can slide along the length of the steel beam, so that welding of different positions of the steel beam can be achieved before welding, and it can also be used for maintenance work of different positions of the steel beam after welding.

[0030] The lower steel frame 1 of the utility model is composed of a main steel frame and a secondary steel frame, the main steel frame is composed of a horizontal box-shaped steel beam 11, and the secondary steel frame is composed of a circular steel beam 12. The adjustable support steel truss 2 located on the upper layer is composed of an inclined box-shaped steel beam 21, a truss circular connecting rod 22, a truss reinforcing rod 23 and a telescopic circular tube 24, and the telescopic circular tube 24 is connected between the horizontal box-shaped steel beam 11 and the inclined box-shaped steel beam 21. The truss circular connecting rod 22 is placed inside the inclined box-shaped steel beam 21, and the inclined box-shaped steel beam 21, the truss circular connecting rod 22 and the truss reinforcing rod 23 in the adjustable support steel truss 2 are integrated by welding, and the truss reinforcing rod 23 is connected between two truss circular connecting rods 22.

[0031] like Figure 4 As shown, the adjustable support steel truss 2 is connected to the lower steel frame 1 by two truss circular connecting rods 21, and the intersection with the lower steel frame 1 is connected by a hinge device 111, which is convenient for adjusting the angle and height. At the same time, in order to increase the connection reliability, the inclined box-shaped steel beams 21 in the lower steel frame 1 and the adjustable support steel truss 2 are welded and connected with the telescopic circular tube 24, so that the lower steel frame 1 and the adjustable support steel truss 2 form an integral body.

[0032] like Figure 2As shown, the horizontal box-shaped steel beam 11 and the circular steel beam 12 constitute the lower steel frame 1, and in order to ensure the integrity of the primary and secondary steel frames, the connection gap between the horizontal box-shaped steel beam 11 and the circular steel beam 12 is sealed with a sealing steel plate 13, wherein the sealing steel plate 13 is respectively connected to the horizontal box-shaped steel beam 11 and the circular steel beam 12 by welding, wherein the sealing steel plate 13 is welded to the horizontal box-shaped steel beam 11, and a circular groove having the same diameter as the circular steel beam 12 in the secondary steel frame is left on the sealing steel plate 13 to facilitate welding of the sealing steel plate 13 and the circular steel beam 12.

[0033] like Figure 3 As shown, the adjustable support steel truss 2 is composed of an inclined box-shaped steel beam 21 and a truss circular connecting rod 22, and the connection gap between the two is filled with a sealing steel plate, wherein the sealing steel plate is welded to the inclined box-shaped steel beam 21, but in order to be suitable for steel beams of different specifications, a circular hole slightly larger than the diameter of the truss circular connecting rod 22 is left on the sealing steel plate, so as to facilitate the control of the inclined length of the adjustable support steel truss 2. The inclined box-shaped steel beam 21 is supported by a telescopic circular tube 24, and the inclined box-shaped steel beam 21 is fixed to the fastening mechanism 26 by welding. After the length of the telescopic circular tube 24 is fixed, it is fixed by the upper adjustment bolt 25.

[0034] The upper fastening mechanism 26 includes a mounting groove for placing the upper flange of the steel beam and a fastening bolt threadedly connected to the mounting groove. The installation method is to align the mounting groove with the upper flange of the steel beam and close to the upper surface of the upper flange and then tighten the fastening bolt. The mounting groove has sufficient height to facilitate the application of steel beams of different specifications. The fastening mechanism 26 is connected to the adjustable support steel truss 2 by welding and fixed to the upper flange of the steel beam by fastening bolts.

[0035] The installation method of the adjustable and convenient steel beam welding and self-inspection platform provided by the utility model is as follows: firstly, the upper and lower structures are manually supported so that the steel roller 18 of the lower layer clamps the lower flange of the steel beam, and the installation groove in the fastening mechanism 26 of the upper layer clamps the upper flange of the steel beam, and then the fastening bolts of the upper layer and the installation bolts 17 of the lower layer are tightened to make them press against the flange of the steel beam, so as to realize the fastening of the fastening mechanism 26 of the upper layer, the sliding fastening device of the lower layer and the flange of the steel beam.

[0036] The adjustable and convenient steel beam welding and self-inspection platform provided by the present application can clamp the upper and lower flanges of steel beams of different specifications and positions through the upper fastening mechanism 26 and the lower sliding fastening device, and can use the adjustable supporting steel truss 2 and the lower steel frame 1 to adjust the size of the welding platform to match the actual project; the steel roller 18 in the lower sliding fastening device can also be used to perform the inspection work on the steel beam after welding. The device is suitable for welding and self-inspection of steel beams of different sizes and positions, reduces the risks caused by frequent replacement of the welding platform structure, has a simple structure, a scientific and reasonable design, and greatly improves work efficiency.

[0037] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be understood by anyone familiar with the technology within the technical scope disclosed by the present invention should be included in the scope of the present invention.

Claims

1. An adjustable and convenient steel beam welding and self-inspection platform, characterized in that: include: A lower steel frame (1), one end of which is connected to the lower flange of the steel beam via a sliding fastening device; An adjustable supporting steel truss (2) is obliquely arranged above the lower steel frame (1), one end of which is connected to the upper flange of the steel beam via a fastening mechanism (26); An articulated device (111) connected between the lower steel frame (1) and the other end of the adjustable supporting steel truss (2); The sliding fastening device comprises an upper steel connecting rod (15) fixedly connected to the lower steel frame (1) and a lower steel connecting rod (19) connected to the lower steel frame (1) in an up-and-down sliding manner. The upper steel connecting rod (15) and the lower steel connecting rod (19) are provided with steel rollers (18) which roll on the upper and lower surfaces of the lower flange of the steel beam respectively.

2. The adjustable and portable steel beam welding and self-inspection platform according to claim 1 is characterized in that: An adjustable vertical box structure (14) is provided below the lower steel frame (1), and the lower steel connecting rod (19) passes through the adjustable vertical box structure (14); A vertical strip groove is formed on the adjustable vertical box structure (14), and a lower adjustment bolt (110) passes through the vertical strip groove to fix a lower steel connecting rod (19) located in the adjustable vertical box structure (14).

3. The adjustable and portable steel beam welding and self-inspection platform according to claim 1 is characterized in that: The lower steel frame (1) is composed of a main steel frame and a secondary steel frame, the main steel frame is composed of horizontal box-shaped steel beams (11), and the secondary steel frame is composed of circular steel beams (12); The adjustable supporting steel truss (2) is composed of an inclined box-shaped steel beam (21), a truss circular connecting rod (22), a truss reinforcing rod (23) and a telescopic circular tube (24), wherein the telescopic circular tube (24) is connected between the horizontal box-shaped steel beam (11) and the inclined box-shaped steel beam (21), and the truss reinforcing rod (23) is connected between the two truss circular connecting rods (22).

4. The adjustable and portable steel beam welding and self-inspection platform according to claim 3 is characterized in that: The connection gap between the horizontal box-shaped steel beam (11) and the circular steel beam (12) is sealed by a sealing steel plate (13), wherein the sealing steel plate (13) is respectively connected to the horizontal box-shaped steel beam (11) and the circular steel beam (12) by welding, and a circular groove having the same diameter as the circular steel beam (12) is left on the sealing steel plate (13) to facilitate welding of the sealing steel plate (13) and the circular steel beam (12).

5. The adjustable and portable steel beam welding and self-inspection platform according to claim 3 is characterized in that: The connection gap between the inclined box-shaped steel beam (21) and the truss circular connecting rod (22) is filled with a sealing steel plate, wherein the sealing steel plate is welded to the inclined box-shaped steel beam (21), and a circular hole with a diameter larger than that of the truss circular connecting rod (22) is left on the sealing steel plate.

6. The adjustable and portable steel beam welding and self-inspection platform according to claim 1 or 2, characterized in that: A first lower connecting steel plate (16) is connected between two upper steel connecting rods (15) located on the same horizontal plane, and a second lower connecting steel plate is connected between two lower steel connecting rods (19) located on the same horizontal plane. The first lower connecting steel plate (16) and the second lower connecting steel plate are threadedly connected with mounting bolts (17).

7. The adjustable and portable steel beam welding and self-inspection platform according to claim 1 is characterized in that: The fastening mechanism (26) comprises a mounting groove for accommodating the upper flange of the steel beam and a fastening bolt threadedly connected to the mounting groove.

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