Bridge steel structure welding device

Abstract

The utility model relates to the technical field of bridge steel structure welding, and discloses a bridge steel structure welding device which comprises a welding machine and a welding head installed on the welding machine. The welding device comprises a welding head, the welding head is sleeved with an air blowing part, a collecting cover arranged on the welding head in a sleeving mode is installed at the bottom of the air blowing part, the periphery of the collecting cover communicates with tubular air outlet parts, the multiple tubular air outlet parts communicate with air guide pipes, and the multiple air guide pipes communicate with the air blowing part. The utility model provides a bridge steel structure welding device which solves the problem that when workpieces are welded, heat generated in the welding process is difficult to be effectively used for preheating the next part of workpieces, and the heat can not be fully utilized.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge steel structure welding, in particular to a bridge steel structure welding device. Background Art

[0002] As a load-bearing structure, the steel structure of a bridge bears the bridge deck load, vehicle load and other external loads, and transmits these loads to the foundation. In addition, the steel structure of a bridge can cross geographical barriers such as rivers and valleys, connect the traffic on both sides, and promote economic and cultural exchanges between regions. When processing the steel structure of a bridge, the components in the bridge structure need to be welded together to form an integral structure.

[0003] When welding workpieces, the heat generated during the welding process is difficult to effectively use for preheating the next part of the workpiece, which may result in insufficient utilization of the heat, and thermal expansion in the high-temperature area may cause deformation of the component.

[0004] In order to solve the above problems, a bridge steel structure welding device is proposed in the present application. Utility Model Content

[0005] Based on the technical problems existing in the background technology, the utility model proposes a bridge steel structure welding device.

[0006] The utility model provides a bridge steel structure welding device, comprising a welding machine and a welding head installed on the welding machine;

[0007] The welding head is provided with a blowing piece, a collecting cover sleeved on the welding head is installed at the bottom of the blowing piece, tubular air outlet pieces are connected on all four sides of the collecting cover, several of the tubular air outlet pieces are connected with air guide pipes, and several of the air guide pipes are connected to the blowing piece.

[0008] Preferably, the blowing component includes an annular tube and a fan, the annular tube is fixedly mounted on the welding head, an annular chamber is provided in the annular tube, the fan is installed on the top of the annular tube and connected to the annular chamber, and one end of the air guide tube is connected to the annular chamber.

[0009] Preferably, the tubular air outlet component includes an air outlet pipe and an auger, the air outlet pipe is connected to the outer periphery of the collecting hood, and the air outlet pipe is communicated with the inside of the collecting hood, the auger is rotatably connected in the air outlet pipe, the auger divides the inside of the air outlet pipe into a spiral channel, the bottom of the air outlet pipe is connected to a plurality of air outlet nozzles communicated with the spiral channel, and the other end of the air guide pipe is communicated with the spiral channel.

[0010] Preferably, a spring is connected between the annular tube and the collecting cover.

[0011] Preferably, the welding machine is provided with a bearing seat located below the welding head.

[0012] The above technical solution of the utility model has the following beneficial technical effects:

[0013] By means of the arranged blowing pieces, collecting hood, tubular air outlet pieces and air guide pipe, sparks generated when welding the workpiece through the welding head on the welding machine can enter the collecting hood, and then the tubular air outlet pieces around the collecting hood are blown by the blowing pieces respectively, so that the heat of the sparks entering the collecting hood can be discharged from the corresponding tubular air outlet pieces respectively, and the discharged hot air is blown to other positions of the workpiece that need to be welded, so as to preheat the next part of the workpiece that needs to be welded. This structure can collect and utilize the heat of the sparks generated during the welding process, and can effectively use it for preheating the next part of the workpiece, thereby avoiding heat waste; and by discharging the heat of the sparks and utilizing it for preheating, the influence of thermal expansion can be reduced, thereby reducing the possibility of deformation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a bridge steel structure welding device proposed by the utility model.

[0015] Figure 2 The utility model is a schematic diagram of the local structure of a bridge steel structure welding device.

[0016] Figure 3 The utility model is a schematic diagram of the planar structure of a tubular air outlet member in a bridge steel structure welding device.

[0017] Figure numerals: 1. welding machine; 2. welding head; 3. blowing part; 31. annular tube; 32. fan; 4. collecting hood; 5. tubular air outlet part; 51. air outlet pipe; 52. auger; 53. air outlet nozzle; 6. air guide pipe; 7. spring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0019] like Figure 1-3 As shown, a bridge steel structure welding device proposed by the utility model comprises a welding machine 1 and a welding head 2 installed on the welding machine 1;

[0020] In this embodiment, a blowing piece 3 is mounted on the welding head 2, and a collecting cover 4 mounted on the welding head 2 is installed at the bottom of the blowing piece 3. The collecting cover 4 is connected to tubular air outlet pieces 5 on all four sides, and several tubular air outlet pieces 5 are connected to air guide pipes 6, and several air guide pipes 6 are connected to the blowing piece 3.

[0021] In this embodiment, the blowing member 3 includes an annular tube 31 and a fan 32. The annular tube 31 is fixedly mounted on the welding head 2. An annular chamber is provided in the annular tube 31. The fan 32 is installed on the top of the annular tube 31 and communicates with the annular chamber. One end of the air guide pipe 6 is communicated with the annular chamber. The tubular air outlet member 5 includes an air outlet pipe 51 and an auger 52. The air outlet pipe 51 is connected to the outer periphery of the collection cover 4 and communicates with the inside of the collection cover 4. The auger 52 is rotatably connected to the air outlet pipe 51. The auger 52 divides the inside of the air outlet pipe 51 into a spiral channel. The bottom of the air outlet pipe 51 is connected to a plurality of air outlet nozzles 53 communicated with the spiral channel. The other end of the air guide pipe 6 is communicated with the spiral channel.

[0022] It should be noted that in order to effectively utilize the heat generated during welding of the workpiece, the workpiece can be welded by the welding head 2 on the welding machine 1, and the sparks generated during welding can enter the collecting cover 4, and then the wind can be blown into the annular tube 31 by the fan 32, and the wind enters the spiral channel opened in the air outlet pipe 51 along the air guide pipe 6, thereby driving the auger 52 to rotate. At this time, the heat of the sparks entering the collecting cover 4 can enter the corresponding spiral channels respectively and be discharged from the air outlet nozzle 53. The discharged hot air can be blown to other positions of the workpiece that need to be welded, so as to preheat the next part of the workpiece that needs to be welded. This structure can collect and utilize the heat of the sparks generated during the welding process, and can effectively use it for preheating the next part of the workpiece, thereby avoiding heat waste, and by discharging the heat of the sparks and using it for preheating, it can reduce the influence of thermal expansion, thereby reducing the possibility of deformation.

[0023] In a specific embodiment, a spring 7 is connected between the annular tube 31 and the collecting cover 4 .

[0024] It should be noted that when the collecting cover 4 collides with other parts of the workpiece, the spring 7 between the annular tube 31 and the collecting cover 4 can play a buffering role.

[0025] In a specific embodiment, a bearing seat is installed on the welding machine 1 and is located below the welding head 2. The bearing seat is provided to facilitate the placement of the workpiece.

[0026] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A bridge steel structure welding device, comprising a welding machine (1) and a welding head (2) mounted on the welding machine (1), characterized in that: The welding head (2) is provided with a blowing member (3), the bottom of the blowing member (3) is provided with a collecting cover (4) which is sleeved on the welding head (2), the collecting cover (4) is connected to tubular air outlet members (5) on all sides, a plurality of the tubular air outlet members (5) are connected to air guide pipes (6), and a plurality of the air guide pipes (6) are connected to the blowing member (3).

2. A bridge steel structure welding device according to claim 1, characterized in that: The blowing member (3) comprises an annular tube (31) and a fan (32); the annular tube (31) is fixedly mounted on the welding head (2); an annular chamber is provided in the annular tube (31); the fan (32) is mounted on the top of the annular tube (31) and is connected to the annular chamber; one end of the air guide tube (6) is connected to the annular chamber.

3. A bridge steel structure welding device according to claim 2, characterized in that: The tubular air outlet member (5) comprises an air outlet pipe (51) and an auger (52); the air outlet pipe (51) is connected to the outer periphery of the collecting hood (4), and the air outlet pipe (51) is communicated with the inside of the collecting hood (4); the auger (52) is rotatably connected to the inside of the air outlet pipe (51); the auger (52) divides the inside of the air outlet pipe (51) into a spiral channel; the bottom of the air outlet pipe (51) is connected to a plurality of air outlet nozzles (53) communicated with the spiral channel; the other end of the air guide pipe (6) is communicated with the spiral channel.

4. A bridge steel structure welding device according to claim 2, characterized in that: A spring (7) is connected between the annular tube (31) and the collecting cover (4).

5. A bridge steel structure welding device according to any one of claims 1 to 4, characterized in that: The welding machine (1) is provided with a bearing seat located below the welding head (2).

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