An automatic mast welding device for rotary drilling rig

Abstract

The utility model relates to the technical field of rotary drilling rigs, and specifically to an automated mast welding device for rotary drilling rigs, comprising a welding gun body, a welding gun head, a handle and an agent storage bin: the lower end of the welding gun body is provided with an agent storage bin, the side of the welding gun body is provided with a welding gun head, the upper end of the welding gun body is provided with a handle, the side of the welding gun body is provided with a deoxidation structure, and the other side of the welding gun body is provided with a dust removal structure; through the agent storage bin, a spray switch, a nozzle, an air pump, a first switch, an air storage bin and an air outlet, when the first switch is pressed, the air pump is externally connected to a gas tank storing gas soldering flux, and the gas soldering flux is sucked into the interior of the gas storage bin, and then the air outlet is continuously sprayed on the welding position, so as to remove the oxides at the welding position, prevent oxidation reaction from occurring during the welding process, thereby reducing the strength, plasticity, hardness and impact toughness of the weld, and affecting the use performance of the rotary drilling rig.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary drilling rigs, in particular to an automatic mast welding device for rotary drilling rigs. Background Art

[0002] In the manufacturing process of rotary drilling rigs, mast welding is one of the key steps. The structure of the drilling rig includes the mast, which is the main force-bearing part in the drilling process of the drilling rig. Therefore, it is necessary to set up an automatic mast welding device for rotary drilling rigs to weld the mast. However, the existing device still has certain use defects when used, such as:

[0003] During the mast welding process, if the oxides on the surface of the welding object are not removed properly, an oxidation reaction may occur on the surface of the welding object, which may cause a large amount of beneficial elements in the weld to be burned, thereby reducing the strength, plasticity, hardness and impact toughness of the weld, affecting the performance of the rotary drilling rig. Utility Model Content

[0004] The utility model aims to solve the above problems and proposes an automatic mast welding device for a rotary drilling rig, which improves the problem that oxidation reaction is easy to occur on the welding surface of the existing automatic mast welding device for a rotary drilling rig.

[0005] An automated mast welding device for a rotary drilling rig comprises a welding gun body, a welding gun head, a handle and a storage tank: the lower end of the welding gun body is provided with a storage tank, the side of the welding gun body is provided with a welding gun head, the upper end of the welding gun body is provided with a handle, the side of the welding gun body is provided with a deoxidation structure, and the other side of the welding gun body is provided with a dust removal structure;

[0006] The deoxygenation structure includes an air pump, a first switch, an air storage bin and an air outlet. The air pump is arranged on the side of the welding gun body, the first switch is arranged on the upper end of the air pump, the air storage bin is arranged at the lower end of the welding gun head, and the air outlet is arranged on the side of the air storage bin.

[0007] Preferably, a support block is provided at the upper end of the welding gun head, and a welding switch is provided at the upper end of the handle.

[0008] Preferably, a spray switch is provided on the side of the agent storage bin, a spray pipe is provided on the side of the spray switch, and the spray pipe is located below the welding gun head.

[0009] Preferably, a collecting box is provided on the side of the agent storage bin, and a ventilation pipe is provided on the side of the collecting box.

[0010] Preferably, the dust removal structure includes a suction fan and a dust suction plate. The collection box is provided with a suction fan inside, and the side of the support block is provided with a dust suction plate.

[0011] Preferably, an inclined filter plate is provided inside the collecting box, an activated carbon bag is provided inside the collecting box, and the distance between the activated carbon bag and the suction fan is greater than the distance between the inclined filter plate and the suction fan.

[0012] Preferably, an ash collecting bin is provided at the lower end of the collecting box, a wet sponge is provided at the inner bottom end of the ash collecting bin, and the ash collecting bin is located below the inclined filter plate.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the storage bin, spray switch, nozzle, vacuum pump, first switch, gas storage bin and air outlet, when the device is in use, first press the spray switch to make the water pump draw the liquid flux stored in the storage bin into the nozzle, and spray it onto the surface of the weld metal by the nozzle to remove the oxide on the surface of the weld metal, so as to prevent oxidation reaction during welding. In addition, during welding, press the first switch to connect the vacuum pump to the gas tank containing gas flux, and draw the gas flux into the gas storage bin, and then spray the weld from the air outlet to remove the oxide at the weld for the second time, so as to prevent oxidation reaction during welding, which will reduce the strength, plasticity, hardness and impact toughness of the weld, and affect the performance of the rotary drilling rig. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall front-view stereoscopic structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall three-dimensional structure of the utility model when viewed from above;

[0017] Figure 3 It is a schematic diagram of the overall side-view stereoscopic structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the ash collecting bin and the wet sponge installation of the utility model.

[0019] In the figure: 1. welding gun body; 2. welding gun head; 3. handle; 4. welding switch; 5. agent storage bin; 6. spray switch; 7. vacuum pump; 8. first switch; 9. gas storage bin; 10. gas outlet; 11. nozzle; 12. support block; 13. collection box; 14. dust suction plate; 15. suction fan; 16. activated carbon bag; 17. inclined filter plate; 18. ash collection bin; 19. wet sponge; 20. deoxidation structure; 21. dust removal structure. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] When implementing: Figure 1-4 As shown, an automated mast welding device for a rotary drilling rig comprises a welding gun body 1, a welding gun head 2, a handle 3 and a storage tank 5: the lower end of the welding gun body 1 is provided with the storage tank 5, the side of the welding gun body 1 is provided with the welding gun head 2, the upper end of the welding gun body 1 is provided with the handle 3, the side of the welding gun body 1 is provided with a deoxidation structure 20, and the other side of the welding gun body 1 is provided with a dust removal structure 21;

[0022] The deoxidation structure 20 includes an air pump 7, a first switch 8, an air storage bin 9 and an air outlet 10. The air pump 7 is arranged on the side of the welding gun body 1, the first switch 8 is arranged on the upper end of the air pump 7, the air storage bin 9 is arranged on the lower end of the welding gun head 2, and the air outlet 10 is arranged on the side of the air storage bin 9;

[0023] When the device is in use, during the welding process, first press the first switch 8, and use the vacuum pump 7 to connect the gas tank containing gas flux to the outside, and pump the gas flux into the gas storage bin 9, and then spray the welding point between the welding gun head 2 and the welding metal surface from the gas outlet 10 to remove the oxides at the welding point, so as to prevent oxidation reaction from occurring during the welding process, thereby reducing the strength, plasticity, hardness and impact toughness of the weld, and affecting the performance of the rotary drilling rig.

[0024] A support block 12 is disposed at the upper end of the welding gun head 2 , and a welding switch 4 is disposed at the upper end of the handle 3 .

[0025] A spray switch 6 is provided on the side of the agent storage bin 5, a spray pipe 11 is provided on the side of the spray switch 6, and the spray pipe 11 is located below the welding gun head 2;

[0026] When the device is in use and it is necessary to remove the oxides on the surface of the welded metal, first press the spray switch 6 to allow the water pump to draw the liquid flux stored in the storage tank 5 into the inside of the nozzle 11, and spray it along the nozzle 11 to the surface of the metal to be welded, and then remove the oxides on the surface of the welded metal, so as to reduce the tension of the welded metal surface and improve the welding efficiency.

[0027] A collecting box 13 is provided on the side of the agent storage bin 5 , and a ventilation pipe is provided on the side of the collecting box 13 .

[0028] The dust removal structure 21 includes a suction fan 15 and a dust collecting plate 14. The collection box 13 is provided with a suction fan 15 inside, and a dust collecting plate 14 is provided on the side of the support block 12;

[0029] When the device is in use, when welding the metal surface, the suction fan 15 is turned on to generate suction, and the dust suction plate 14 generates suction, and the fume and dust generated in the welding process are sucked into the collection box 13 through the ventilation pipe, and then the fume and dust are filtered through the inclined filter plate 17. The larger dust particles are filtered out by the inclined filter plate 17, and then slide along the angle of the inclined filter plate 17 to the inside of the ash collecting bin 18, so as to absorb the harmful fume and dust generated in the welding process, prevent pollution of the working environment and physical damage to the work.

[0030] An inclined filter plate 17 is disposed inside the collecting box 13 , an activated carbon bag 16 is disposed inside the collecting box 13 , and the distance between the activated carbon bag 16 and the suction fan 15 is greater than the distance between the inclined filter plate 17 and the suction fan 15 .

[0031] The lower end of the collecting box 13 is provided with an ash collecting bin 18, and the inner bottom end of the ash collecting bin 18 is provided with a wet sponge 19, and the ash collecting bin 18 is located below the inclined filter plate 17;

[0032] When the device is in use, firstly, harmful smoke and dust enter the interior of the collecting box 13, and then the larger dust particles are filtered out by the inclined filter plate 17, and slide to the interior of the ash collecting bin 18 along the angle of the inclined filter plate 17. At this time, the dust particles are adsorbed by the wet sponge 19 to prevent the gas from rolling up the dust particles again. Then, the filtered harmful smoke continues to move forward and enters the interior of the activated carbon bag 16, and the harmful substances in the harmful smoke are adsorbed by the activated carbon bag 16. When the adsorption is completed, the filtered gas is discharged through the suction fan 15, so as to reduce the pollution to the working environment.

[0033] When the utility model is used, when it is necessary to remove the oxide on the surface of the welded metal, the spray switch 6 is pressed to make the water pump draw the liquid soldering flux stored in the storage bin 5 into the inside of the nozzle 11, and spray it to the surface of the metal to be welded through the nozzle 11, so as to remove the oxide on the surface of the welded metal, and then the welding switch 4 is pressed to make the welding gun head 2 weld the mast, and at this time, the first switch 8 is turned on to make the vacuum pump 7 externally connected to the gas tank containing the gas soldering flux, and the gas soldering flux is drawn into the inside of the gas storage bin 9, and finally, the gas outlet 10 is continuously sprayed on the weld between the welding gun head 2 and the mast, so as to remove the oxide on the weld for the second time, so as to prevent oxidation reaction from occurring during the welding process. , then turn on the suction fan 15, so that the suction fan 15 generates suction, driving the dust suction plate 14 to generate suction at the same time, so as to suck the fume and dust generated in the welding process into the collection box 13 through the ventilation pipe, and at this time, the fume and dust are filtered by the inclined filter plate 17, and the larger dust particles are blocked by the inclined filter plate 17 and slide along the inclined filter plate 17 to the inside of the ash collecting bin 18, and then the dust is adsorbed by the wet sponge 19 to prevent the gas from rolling up the dust again, and the fume continues to move forward into the inside of the activated carbon bag 16, and the activated carbon bag 16 adsorbs the harmful substances in the fume, and then the filtered fume continues to move forward and is discharged through the suction fan 15, so as to prevent the harmful gas from polluting the working environment.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automated mast welding device for a rotary drilling rig, characterized in that: The invention comprises a welding gun body (1), a welding gun head (2), a handle (3) and a storage tank (5): the lower end of the welding gun body (1) is provided with a storage tank (5), the side of the welding gun body (1) is provided with a welding gun head (2), the upper end of the welding gun body (1) is provided with a handle (3), the side of the welding gun body (1) is provided with a deoxidation structure (20), and the other side of the welding gun body (1) is provided with a dust removal structure (21); The deoxidation structure (20) comprises an air pump (7), a first switch (8), an air storage bin (9) and an air outlet (10); the air pump (7) is arranged on the side of the welding gun body (1); the first switch (8) is arranged on the upper end of the air pump (7); the air storage bin (9) is arranged on the lower end of the welding gun head (2); and the air outlet (10) is arranged on the side of the air storage bin (9).

2. The automatic mast welding device for rotary drilling rig according to claim 1, characterized in that: A support block (12) is provided at the upper end of the welding gun head (2), and a welding switch (4) is provided at the upper end of the handle (3).

3. The automatic mast welding device for rotary drilling rig according to claim 1 is characterized in that: A spray switch (6) is arranged on the side of the agent storage bin (5), a spray pipe (11) is arranged on the side of the spray switch (6), and the spray pipe (11) is located below the welding gun head (2).

4. The automatic mast welding device for rotary drilling rig according to claim 2 is characterized in that: A collecting box (13) is arranged on the side of the agent storage bin (5), and a ventilation pipe is arranged on the side of the collecting box (13).

5. The automatic mast welding device for rotary drilling rig according to claim 4 is characterized in that: The dust removal structure (21) comprises a suction fan (15) and a dust suction plate (14). The suction fan (15) is arranged inside the collection box (13), and the dust suction plate (14) is arranged on the side of the support block (12).

6. The automatic mast welding device for rotary drilling rig according to claim 4, characterized in that: An inclined filter plate (17) is arranged inside the collection box (13), an activated carbon bag (16) is arranged inside the collection box (13), and the distance between the activated carbon bag (16) and the suction fan (15) is greater than the distance between the inclined filter plate (17) and the suction fan (15).

7. The automatic mast welding device for rotary drilling rig according to claim 5, characterized in that: An ash collecting bin (18) is provided at the lower end of the collecting box (13), a wet sponge (19) is provided at the inner bottom end of the ash collecting bin (18), and the ash collecting bin (18) is located below the inclined filter plate (17).

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