A welding device for boiler pipes

Abstract

The utility model relates to the technical field of welding equipment, and discloses a welding device for a boiler pipeline, comprising a base and a driving assembly, wherein the top of the base is symmetrically fixedly connected with two supporting plates, the tops of the two supporting plates are fixedly connected with a top plate, the insides of the two supporting plates are rotatably connected with sleeves, the ends of the two sleeves that are close to each other extend to the outside of the corresponding supporting plates, the insides of the two sleeves are slidably connected with sliding cylinders, the ends of the two sliding cylinders that are close to each other are fixedly connected with connecting seats, the insides of the two connecting seats are rotatably connected with two bidirectional screw rods, the outer walls of the two bidirectional screw rods are symmetrically threadedly connected with two fixing plates, one end of each fixing plate extends to the outside of the connecting seat, the driving assembly is arranged inside the top plate, the bottom of the top plate is fixedly connected with a cylinder, and the telescopic end of the cylinder is fixedly connected with a welding gun. The utility model realizes the fixation of two boiler pipelines of different lengths through the coordinated use of the two-way screw rod, the sliding rod and the connecting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of welding equipment, in particular to a welding device for boiler pipes. Background Art

[0002] A boiler is an energy conversion device that uses the heat energy released by fuel combustion or other heat energy to heat working water or other fluids to certain parameters. In addition to the pot and furnace, the boiler also has auxiliary equipment such as a frame, platform, escalator, combustion, slag discharge, smoke and air duct, pipeline, furnace wall, etc. Among them, when producing boiler pipes, in order to ensure the length of the boiler pipes, multiple groups of boiler pipes need to be welded with welding equipment. However, after the existing boiler pipe welding equipment is used to weld one side of the boiler pipe, the boiler pipe needs to be manually turned over, which is time-consuming and labor-intensive, and is very inconvenient to use.

[0003] Chinese patent CN220161603U discloses a portable boiler pipe installation welding device, including a connecting isolation plate, a support plate fixedly connected to the lower front end of the connecting isolation plate, a welding machine arranged at the top of the support plate, a cable fixedly connected to the left end of the welding machine, a welding gun fixedly connected to the other end of the cable, a pad fixedly connected to the rear end of the connecting isolation plate, two shoulder straps fixedly connected to the rear end of the pad, a waist belt fixedly connected to the lower side of the shoulder strap at the rear end of the pad, and a back pad fixedly connected to the inner side of the shoulder strap at the rear side of the pad. The patent uses the shoulder strap to carry the pad on the back and fix the waist belt. When performing boiler pipe installation welding, the welding machine moves with the movement of the person, and there is no need to move the welding machine for a long time, which achieves the effect of convenient carrying of the device and plays a role in being easy to carry.

[0004] This patent welds the boiler pipe by moving the welding gun. After the welding of one side of the boiler pipe is completed, the boiler pipe needs to be manually turned over, and then the welding gun is picked up to weld the other side of the boiler pipe. This process is time-consuming and laborious. Therefore, we propose a welding device for the boiler pipe. Utility Model Content

[0005] The purpose of the utility model is to provide a welding device for a boiler pipe in order to solve the above problems, thereby solving the problems mentioned in the background technology.

[0006] In order to solve the above problems, the utility model provides a technical solution:

[0007] A welding device for a boiler pipe comprises a base and a driving assembly, wherein two support plates are symmetrically fixedly connected to the top of the base, a top plate is fixedly connected to the top of the two support plates, sleeves are rotatably connected to the inside of the two support plates, the ends of the two sleeves that are close to each other extend to the outside of the corresponding support plates, slide cylinders are slidably connected to the inside of the two sleeves, the ends of the two slide cylinders that are close to each other are fixedly connected to a connecting seat, two connecting seats are rotatably connected to the inside of two bidirectional screw rods 2, the outer walls of the two bidirectional screw rods 2 are symmetrically threadedly connected to two fixed plates, one end of each fixed plate extends to the outside of the connecting seat, the driving assembly is arranged inside the top plate, a cylinder is fixedly connected to the bottom of the top plate, and a welding gun is fixedly connected to the telescopic end of the cylinder.

[0008] As a preferred solution of the utility model, the base is internally rotatably connected to a bidirectional screw rod, the base is internally fixedly connected to a motor, the output end of the motor is fixedly connected to one end of the bidirectional screw rod, the outer wall of the bidirectional screw rod is symmetrically threadedly connected to two sliding rods, the top ends of the two sliding rods extend to the top of the base, and the outer walls of the two slide cylinders slide inside the corresponding sliding rods respectively.

[0009] As a preferred solution of the utility model, the top plate is rotatably connected to a horizontal axis inside, a motor 2 is fixedly connected to one side of the top plate, and an output end of the motor 2 extends to the inside of the top plate and is fixedly connected to one end of the horizontal axis.

[0010] As a preferred solution of the utility model, the driving assembly includes two pulleys 1, the two pulleys 1 are symmetrically fixedly installed on the outer wall of the horizontal axis, the ends of the two sleeves away from each other are fixedly connected with pulleys 2, and the two pulleys 2 are respectively connected to the corresponding pulleys 1 through belts.

[0011] As a preferred solution of the utility model, the top ends of the two bidirectional screw rods extend to the outside of the corresponding connecting seat and are fixedly connected with a handwheel, and the two connecting rods are symmetrically rotatably connected to the side where the two sliding rods are close to each other, and the end of each connecting rod away from the sliding rod is fixedly connected to one side of the corresponding connecting seat.

[0012] As a preferred solution of the utility model, two electric telescopic rods are fixedly connected to the top of the base, the telescopic ends of the two electric telescopic rods are fixedly connected to arc plates, and the inner walls of the two arc plates are rotatably connected to multiple balls.

[0013] The beneficial effects of the utility model are as follows: a bidirectional screw rod is driven to rotate by a motor, the bidirectional screw rod drives the sliding rod to slide, the sliding rod drives the connecting rod to move, the connecting rod drives the connecting seat to move, and the connecting seat drives the sliding cylinder to slide, so as to fix two boiler pipes of different lengths; at the same time, by rotating the hand wheel, the hand wheel drives the bidirectional screw rod to rotate, and the bidirectional screw rod drives the fixing plate to slide, so as to clamp boiler pipes of different sizes; the electric telescopic rod drives the arc plate to extend and retract, so as to support the bottom of the boiler pipe and prevent it from shaking during welding; the motor drives the horizontal axis to rotate, the horizontal axis drives the pulley to rotate, the pulley drives the pulley to rotate, the pulley drives the sleeve to rotate, the sleeve drives the sliding cylinder to rotate, and the sliding cylinder drives the connecting seat to rotate, so as to realize automatic turning over of the boiler pipe and improve welding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0015] Figure 1 It is a schematic diagram of the appearance of the utility model;

[0016] Figure 2 It is a schematic internal cross-sectional view of the utility model;

[0017] Figure 3 This utility model Figure 2 The enlarged view of point A in the middle;

[0018] Figure 4 It is a schematic diagram of the internal structure of the curved plate in the utility model from a side view.

[0019] In the figure: 1. base; 2. support plate; 3. top plate; 4. motor 1; 5. bidirectional screw 1; 6. slide rod; 7. sleeve; 8. slide cylinder; 9. cylinder; 10. welding gun; 11. connecting rod; 12. connecting seat; 13. bidirectional screw 2; 14. fixing plate; 15. hand wheel; 16. motor 2; 17. horizontal axis; 18. driving assembly; 181. pulley 1; 182. pulley 2; 19. electric telescopic rod; 20. arc plate; 21. ball bearing. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Example

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a welding device for a boiler pipeline, including a base 1 and a driving assembly 18, the top of the base 1 is symmetrically fixedly connected with two support plates 2, the tops of the two support plates 2 are fixedly connected with a top plate 3, the insides of the two support plates 2 are rotatably connected with sleeves 7, the ends of the two sleeves 7 that are close to each other extend to the outside of the corresponding support plates 2, the insides of the two sleeves 7 are slidably connected with slide cylinders 8, the ends of the two slide cylinders 8 that are close to each other are fixedly connected with a connecting seat 12, the two-way screw rod 5 is driven to rotate by a motor 4, the two-way screw rod 5 drives the slide rod 6 to slide, the slide rod 6 drives the connecting rod 11 to move, the connecting rod 11 drives the connecting seat 12 to move, and the connecting seat 12 drives The slide cylinder 8 slides to fix two boiler pipes of different lengths; the interiors of the two connecting seats 12 are rotatably connected with two-way screw rods 13, and the outer walls of the two-way screw rods 13 are symmetrically threadedly connected with two fixing plates 14, and one end of each fixing plate 14 extends to the outside of the connecting seat 12. The driving assembly 18 is arranged inside the top plate 3, and the bottom of the top plate 3 is fixedly connected with a cylinder 9, and the telescopic end of the cylinder 9 is fixedly connected with a welding gun 10. The interior of the base 1 is rotatably connected with a two-way screw rod 5, and the interior of the base 1 is fixedly connected with a motor 4, and the output end of the motor 4 is fixedly connected to one end of the two-way screw rod 5, and the outer wall of the two-way screw rod 5 is symmetrically threadedly connected with two sliding rods 6, and the top of the two sliding rods 6 The ends extend to the top of the base 1, the outer walls of the two slide cylinders 8 slide inside the corresponding slide rods 6 respectively, the internal rotation of the top plate 3 is connected to the horizontal shaft 17, one side of the top plate 3 is fixedly connected to the motor 2 16, the output end of the motor 2 16 extends to the inside of the top plate 3 and is fixedly connected to one end of the horizontal shaft 17, the driving assembly 18 includes two pulleys 181, the two pulleys 181 are symmetrically fixedly installed on the outer wall of the horizontal shaft 17, the ends of the two sleeves 7 away from each other are fixedly connected to the pulleys 2 182, the two pulleys 2 182 are respectively connected to the corresponding pulleys 1 181 through belts, the horizontal shaft 17 is driven to rotate by the motor 2 16, the horizontal shaft 17 drives the pulley 1 181 to rotate, and the belt Wheel 1 181 drives pulley 2 182 to rotate, pulley 2 182 drives sleeve 7 to rotate, sleeve 7 drives slide 8 to rotate, slide 8 drives connecting seat 12 to rotate, thereby realizing automatic turning over of boiler pipe and improving welding efficiency; top ends of two bidirectional screw rods 13 extend to the outside of corresponding connecting seat 12 and are fixedly connected with hand wheel 15, by rotating hand wheel 15, hand wheel 15 drives bidirectional screw rod 2 13 to rotate, and bidirectional screw rod 2 13 drives fixed plate 14 to slide, thereby realizing clamping of boiler pipes of different sizes; two connecting rods 11 are symmetrically connected to one side of two sliding rods 6 that are close to each other, and one end of each connecting rod 11 away from sliding rod 6 is respectively fixedly connected to one side of corresponding connecting seat 12.

[0023] Furthermore, two electric telescopic rods 19 are fixedly connected to the top of the base 1, and the telescopic ends of the two electric telescopic rods 19 are fixedly connected to an arc plate 20. The electric telescopic rods 19 drive the arc plate 20 to extend and retract, thereby supporting the bottom of the boiler pipe and preventing it from shaking during welding; the inner walls of the two arc plates 20 are rotatably connected to a plurality of balls 21. By arranging a plurality of balls 21 on the inner walls of the arc plates 20, when the boiler pipe is turned over, the sliding friction force is converted into rolling friction force, thereby reducing the friction between the boiler pipe and the inner wall of the arc plate 20.

[0024] In summary: the staff first places the two boiler pipes inside the arc plate 20 respectively, then starts the power supply, the motor 14 drives the two-way screw rod 15 to rotate, the two-way screw rod 15 drives the slide rod 6 to slide, the slide rod 6 drives the connecting rod 11 to move, the connecting rod 11 drives the connecting seat 12 to move, and the connecting seat 12 drives the slide cylinder 8 to slide. When the two connecting seats 12 reach the ends of the two boiler pipes, the hand wheel 15 is turned, the hand wheel 15 drives the two-way screw rod 13 to rotate, and the two-way screw rod 13 drives the fixed plate 14 to slide, so as to clamp the ends of the boiler pipes. It should be noted that the arc plate 20 The upper boiler pipe and the boiler pipe clamped by the two fixed plates 14 are exactly in a horizontal line, and then the cylinder 9 drives the welding gun 10 to move downward to realize the welding of the connection between the two boiler pipes. After one side of the welding is completed, the motor 2 16 is started, the motor 2 16 drives the horizontal shaft 17 to rotate, the horizontal shaft 17 drives the pulley 1 181 to rotate, the pulley 1 181 drives the pulley 2 182 to rotate, the pulley 2 182 drives the sleeve 7 to rotate, the sleeve 7 drives the slide 8 to rotate, and the slide 8 drives the connecting seat 12 to rotate, thereby realizing the automatic turning over of the boiler pipe, so that the other side of the boiler pipe can be welded.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding device for a boiler pipe, characterized in that: The invention comprises a base (1) and a driving assembly (18), wherein two support plates (2) are symmetrically fixedly connected to the top of the base (1), a top plate (3) is fixedly connected to the top of the two support plates (2), sleeves (7) are rotatably connected to the inside of the two support plates (2), the adjacent ends of the two sleeves (7) extend to the outside of the corresponding support plate (2), slide cylinders (8) are slidably connected to the inside of the two sleeves (7), and the adjacent ends of the two slide cylinders (8) are fixedly connected to the top plate (3). A connecting seat (12) is connected, and the interiors of the two connecting seats (12) are both rotatably connected with two bidirectional screw rods (13), and the outer walls of the two bidirectional screw rods (13) are symmetrically threadedly connected with two fixing plates (14), and one end of each fixing plate (14) extends to the outside of the connecting seat (12), and the driving assembly (18) is arranged inside the top plate (3), and the bottom of the top plate (3) is fixedly connected with a cylinder (9), and the telescopic end of the cylinder (9) is fixedly connected with a welding gun (10).

2. A welding device for a boiler pipe according to claim 1, characterized in that: The base (1) is internally rotatably connected to a bidirectional screw rod (5), the base (1) is internally fixedly connected to a motor (4), the output end of the motor (4) is fixedly connected to one end of the bidirectional screw rod (5), the outer wall of the bidirectional screw rod (5) is symmetrically threadedly connected to two sliding rods (6), the top ends of the two sliding rods (6) extend to the top of the base (1), and the outer walls of the two slide cylinders (8) slide inside the corresponding sliding rods (6) respectively.

3. A welding device for a boiler pipe according to claim 1, characterized in that: The top plate (3) is rotatably connected to a transverse shaft (17) inside, and a second motor (16) is fixedly connected to one side of the top plate (3). The output end of the second motor (16) extends to the inside of the top plate (3) and is fixedly connected to one end of the transverse shaft (17).

4. A welding device for a boiler pipe according to claim 1, characterized in that: The driving assembly (18) comprises two pulleys (181), the two pulleys (181) are symmetrically fixedly mounted on the outer wall of the transverse shaft (17), and the ends of the two sleeves (7) that are away from each other are fixedly connected with pulleys (182), and the two pulleys (182) are respectively connected to the corresponding pulleys (181) through belts.

5. A welding device for a boiler pipe according to claim 2, characterized in that: The top ends of the two bidirectional screw rods (13) extend to the outside of the corresponding connecting seat (12) and are fixedly connected to a hand wheel (15); the adjacent sides of the two sliding rods (6) are symmetrically rotatably connected to two connecting rods (11); and one end of each connecting rod (11) away from the sliding rod (6) is fixedly connected to one side of the corresponding connecting seat (12).

6. A welding device for a boiler pipe according to claim 1, characterized in that: Two electric telescopic rods (19) are fixedly connected to the top of the base (1), the telescopic ends of the two electric telescopic rods (19) are fixedly connected to arc plates (20), and the inner walls of the two arc plates (20) are rotatably connected to a plurality of balls (21).

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