Welding device for gas pipeline

Abstract

The utility model relates to the technical field of pipeline welding, and discloses a gas pipeline welding device which comprises a mounting plate, the left side and the right side of the top of the mounting plate are fixedly connected with bases, the middles of the top sides of the two bases are fixedly connected with sleeves, and the left side and the right side of each sleeve are rotationally connected with a rotating disc. A plurality of first rotating shafts which are evenly distributed are rotationally connected to the separated sides of the two rotating discs, a plurality of second rotating shafts which are evenly distributed are rotationally connected to the left side and the right side of the sleeve, clamping rods are fixedly connected between the first rotating shafts and the second rotating shafts, and fixing rods are fixedly connected to the opposite sides of the front portions of the two rotating discs; the telescopic end of the air cylinder is rotationally connected to the middle of the fixing rod. According to the pipeline welding device, the sleeve, the rotating disc, the first rotating shaft, the second rotating shaft, the clamping rod and the air cylinder are matched with one another, so that the pipeline welding device can adapt to pipelines of different diameters and sizes, the same device can be used for welding pipelines of different sizes, and extra equipment or part replacement is not needed.

Description

Technical Field

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

[0002] Gas pipeline is a pipeline system used to transport natural gas or liquefied petroleum gas, which plays an important role in energy supply. Gas pipeline usually requires long-distance welding, and manual welding is very time-consuming and labor-intensive. The use of welding equipment can improve the efficiency of welding, reduce labor costs, and improve work efficiency.

[0003] Chinese Patent Announcement No.: CN213794935U discloses a welding device for gas pipelines, specifically related to the field of pipeline welding technology, including a support base, a welding mechanism is arranged on the top of the support base, and fixing mechanisms are arranged on both sides of the welding mechanism; the welding mechanism includes a first support platform, a fusion fixing seat is arranged on the top of the first support platform, the bottom of the fusion fixing seat is fixedly connected to the top of the first support platform, a fusion moving seat is arranged on the top of the fusion fixing seat, two lifting seats are arranged on the top of the fusion moving seat, a connecting plate is arranged on the top of the lifting seat, the tops of the two lifting seats are fixedly connected to the bottom of the connecting plate, and a support frame is arranged on one side of the connecting plate. The utility model meets the welding standards by arranging the welding mechanism and the fixing mechanism, which not only ensures the standardization of the construction process, but also ensures the quality of pipeline welding, thereby ensuring the safety of the later operation of the pipeline.

[0004] The above device needs to add the number of semicircular gaskets according to the thickness of the pipeline to clamp the pipeline, and the number of gaskets needs to be constantly adjusted, which is too cumbersome and wastes construction time. Therefore, a welding device for gas pipelines is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a welding device for gas pipelines, aiming to improve the problem in the prior art that when welding pipelines of different sizes, additional devices or adjustments are required, which increases the complexity and cost of the operation.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a welding device for a gas pipeline, comprising a mounting plate, a welding frame is fixedly connected to the middle part of the top side of the mounting plate, a welding machine is arranged on the rear side of the welding frame, a collecting assembly is arranged in the middle part of the welding frame, and buckle assemblies are arranged on the left and right sides of the welding frame, a base is fixedly connected to the left and right sides of the top of the mounting plate, a sleeve is fixedly connected to the middle part of the top side of the two bases, a turntable is rotatably connected to the left and right sides of the sleeve, a plurality of evenly distributed rotating shafts 1 are rotatably connected to the two turntables on the separated side, a plurality of evenly distributed rotating shafts 2 are rotatably connected to the left and right sides of the sleeve, a clamping rod is fixedly connected between the rotating shaft 1 and the rotating shaft 2, a fixing rod is fixedly connected to the front side of the two turntables facing each other, a cylinder is rotatably connected to the front side of the top of the base, and the telescopic end of the cylinder is rotatably connected to the middle part of the fixing rod.

[0007] Through the above technical solution, the cylinder drives the two turntables to rotate by pushing the fixed rod, and the turntable drives the rotation shaft 1 to move. The rotation shaft 1 and the rotation shaft 2 can rotate and cooperate with the clamping rod to clamp pipes of different sizes.

[0008] Furthermore, the collecting assembly comprises a collecting box, which is slidably connected to the middle part of the inner side of the welding frame, and the left and right sides of the collecting box are provided with card slots.

[0009] Through the above technical solution, the collecting phase is used to collect the waste chips generated during the welding process to avoid polluting the environment.

[0010] Furthermore, the buckle assembly includes two springs, and the two springs are fixedly connected with a clamping block on the sides facing each other, and the two clamping blocks are fixedly connected with a pull rod on the sides away from each other.

[0011] Through the above technical solution, pulling the pull rod can drive the clamping block to contract the spring.

[0012] Furthermore, the two card blocks are respectively engaged and connected in the two card slots on the opposite sides.

[0013] Through the above technical solution, the two clamping blocks are respectively embedded in the two clamping grooves, so that the collection box is fixed on the inner side of the welding frame.

[0014] Furthermore, two of the clamping rods do not contact the other two clamping rods.

[0015] The above technical solution can prevent the movement interference between the clamping rods, which would cause the device to fail to operate normally.

[0016] Furthermore, limiting grooves are provided inside the left and right sides of the welding frame.

[0017] Through the above technical solution, the limiting groove is used to prevent the spring and the block from popping out.

[0018] Furthermore, the separated sides of the two springs are respectively fixedly connected in the two limiting grooves, and the separated sides of the two clamping blocks are respectively slidably connected in the two limiting grooves.

[0019] Through the above technical solution, the clamping block has a fixed range of motion.

[0020] Furthermore, a groove is provided in the middle of the welding frame, and the opening of the collection box is arranged below the groove.

[0021] Through the above technical solution, waste chips fall directly into the collection box through the groove.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, through the mutual cooperation of the sleeve, the turntable, the first rotating shaft, the second rotating shaft, the clamping rod and the cylinder, a set of welding devices that can clamp pipes of different sizes means that there is no need to purchase separate equipment for each pipe size, which can save money and reduce costs, especially in engineering projects that need to handle multiple pipe sizes.

[0024] 2. In the utility model, through the mutual cooperation of the welding frame, the spring, the card block and the collection box, the waste chips and welding slag generated during the welding process can be dropped into the collection box so that the waste chips can be collected, which can effectively reduce the risk of environmental pollution and protect the cleanliness and safety of the surrounding environment. At the same time, workers can easily disassemble the collection box, clean the waste chips therein, and then reinstall it without spending too much time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a welding device for a gas pipeline proposed by the utility model;

[0026] Figure 2 This is a schematic structural diagram of a sleeve of a welding device for a gas pipeline proposed by the utility model;

[0027] Figure 3 The utility model discloses a welding frame for a gas pipeline welding device.

[0028] Legend:

[0029] 1. Mounting plate; 2. Base; 3. Sleeve; 4. Turntable; 5. Rotating shaft 1; 6. Rotating shaft 2; 7. Clamping rod; 8. Fixing rod; 9. Cylinder; 10. Welding rack; 11. Collecting box; 12. Spring; 13. Block; 14. Pull rod; 15. Slot; 16. Limiting slot; 17. Welding machine. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1 - Figure 2 , the utility model provides an embodiment: a welding device for a gas pipeline, comprising a mounting plate 1, a welding frame 10 is fixedly connected to the middle of the top side of the mounting plate 1, a welding machine 17 is arranged on the rear side of the welding frame 10, a collecting assembly is arranged in the middle of the welding frame 10, and buckle assemblies are arranged on the left and right sides of the welding frame 10, a base 2 is fixedly connected to the left and right sides of the top of the mounting plate 1, a sleeve 3 is fixedly connected to the middle of the top sides of the two bases 2, a turntable 4 is rotatably connected to the left and right sides of the sleeve 3, a plurality of evenly distributed rotating shafts 5 are rotatably connected to the two turntables 4 on the separated side, a plurality of evenly distributed rotating shafts 2 6 are rotatably connected to the left and right sides of the sleeve 3, a plurality of rotating shafts 1 5 and a plurality of rotating shafts 2 6 are respectively fixedly connected between the plurality of rotating shafts 1 5 and the plurality of rotating shafts 2 6, wherein the two clamping rods 7 do not contact the other two clamping rods 7, a fixing rod 8 is fixedly connected to the front side of the two turntables 4 facing each other, a cylinder 9 is rotatably connected to the front side of the top of the base 2, and the telescopic end of the cylinder 9 is rotatably connected to the middle of the fixing rod 8.

[0032] Specifically, the mounting plate 1 is used to support the entire welding device and is the basic component of the welding device. The welding frame 10 is installed in the middle of the top side of the mounting plate 1 to provide a support structure for welding work. A collecting component is arranged in the middle of the welding frame 10 to collect waste chips and welding slag generated during welding. The buckle component is located on the left and right sides of the welding frame 10 to fix and stabilize the collecting box 11 to ensure that the position of the collecting box 11 is accurate during welding. The base 2 is located on the left and right sides of the top of the mounting plate 1 to provide additional support and ensure the stability of the sleeve 3. The sleeve 3 is located in the middle of the top side of the two bases 2, and the left and right sides thereof are rotatably connected with multiple rotating shafts 2 6, which cooperate with the rotating shaft 1 5 on the side away from the turntable 4 to drive multiple clamping rods 7 to shrink with the center point of the sleeve 3, so that pipes of different sizes can be clamped. The cylinder 9 is rotatably connected to the front side of the top of the base 2, and the telescopic end of the cylinder 9 is rotatably connected to the middle of the fixing rod 8. The two turntables 4 are driven to rotate by pushing the fixing rod 8 to adjust the size of the fixed pipe. The welding machine 17 is used to weld the fixed pipe.

[0033] Reference Figure 3The collecting assembly includes a collecting box 11, which is slidably connected to the middle of the inner side of the welding frame 10. A groove is provided in the middle of the welding frame 10, and the opening of the collecting box 11 is arranged below the groove. Card slots 15 are provided on both sides of the collecting box 11.

[0034] Specifically, the collection box 11 is used to collect waste chips and welding slag generated during the welding process to ensure the cleanliness of the working environment. The groove in the middle of the welding frame 10 is used to ensure that the waste chips and welding slag generated during the welding process can directly enter the collection box 11 without being scattered into the surrounding environment. The card slot 15 is opened on the left and right sides of the collection box 11. By cooperating with the snap-fit ​​assembly, it is ensured that the collection box 11 will not fall off accidentally, thereby increasing the stability of the collection box 11.

[0035] Reference Figure 1 and Figure 3 The buckle assembly includes two springs 12, which are respectively fixedly connected to the left and right sides of the welding frame 10. Limiting grooves 16 are provided inside the left and right sides of the welding frame 10. The two springs 12 are respectively fixedly connected to the two limiting grooves 16 on the separated sides. The two springs 12 are fixedly connected to the two limiting grooves 16 on the opposite sides. The two springs 12 are fixedly connected to the clamping blocks 13 on the opposite sides. The two clamping blocks 13 are respectively slidably connected to the two limiting grooves 16 on the separated sides. The two clamping blocks 13 are respectively embedded in the two clamping grooves 15 on the opposite sides. The two clamping blocks 13 are fixedly connected to the pull rods 14 on the separated sides.

[0036] Specifically, the spring 12 is fixedly connected in the internal limit grooves 16 on the front and rear sides of the welding frame 10, and is used to provide elastic support for the block 13. The limit grooves 16 are used to limit the movement range of the spring 12. The block 13 is fixedly connected to one side thereof to fix the collection box 11. The collection box 11 has slots 15 on both sides thereof to be engaged with the block 13 on the side thereof to fix the collection box 11.

[0037] Working principle: Place the two gas pipelines to be welded in the middle of the two sleeves 3 respectively, open the cylinder 9 to push the two turntables 4 to rotate through the fixed rod 8, thereby driving the adjustment of the rotating shaft 1 5 and the rotating shaft 2 6, so that the clamping rod 7 tightly clamps the pipeline to ensure the accurate position of the pipeline.

[0038] The welding points of the two pipes are placed on a welding frame 10 and welded with a welding machine 17. The waste chips and welding slag generated during the welding process fall into the collection box 11 through the grooves, ensuring a clean working environment.

[0039] After welding is completed, the pull rod 14 is pulled to drive the clamping block 13 to shrink into the limiting groove 16, and the clamping block 13 is separated from the clamping groove 15. The collection box 11 can be disassembled, the waste chips therein can be cleaned, and then it can be reinstalled, which is convenient and quick.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A welding device for a gas pipeline, comprising a mounting plate (1), characterized in that: A welding frame (10) is fixedly connected to the middle of the top side of the mounting plate (1), a welding machine (17) is arranged at the rear side of the welding frame (10), a collecting assembly is arranged at the middle of the welding frame (10), buckle assemblies are arranged on the left and right sides of the welding frame (10), a base (2) is fixedly connected to the left and right sides of the top of the mounting plate (1), a sleeve (3) is fixedly connected to the middle of the top sides of the two bases (2), a turntable (4) is rotatably connected to the left and right sides of the sleeve (3), a plurality of evenly distributed rotating shafts (5) are rotatably connected to the two turntables (4) on the separated sides, a plurality of evenly distributed rotating shafts (6) are rotatably connected to the left and right sides of the sleeve (3), a clamping rod (7) is fixedly connected between the rotating shaft (5) and the rotating shaft (6), a fixing rod (8) is fixedly connected to the front sides of the two turntables (4) facing each other, a cylinder (9) is rotatably connected to the front side of the top of the base (2), and the telescopic end of the cylinder (9) is rotatably connected to the middle of the fixing rod (8).

2. A welding device for a gas pipeline according to claim 1, characterized in that: The collection assembly comprises a collection box (11), the collection box (11) being slidably connected to the middle portion of the inner side of the welding frame (10), and the collection box (11) is provided with a card slot (15) on both left and right sides.

3. A welding device for a gas pipeline according to claim 2, characterized in that: The buckle assembly comprises two springs (12), the two springs (12) being fixedly connected to the inside of the left and right sides of the welding frame (10), respectively; the two springs (12) are fixedly connected to a clamping block (13) on the sides facing each other, and the two clamping blocks (13) are fixedly connected to a pull rod (14) on the sides away from each other.

4. A welding device for a gas pipeline according to claim 3, characterized in that: The two clamping blocks (13) are respectively engaged and connected in the two clamping slots (15) on opposite sides thereof.

5. A welding device for a gas pipeline according to claim 1, characterized in that: Two of the clamping rods (7) do not contact the other two clamping rods (7).

6. A welding device for a gas pipeline according to claim 3, characterized in that: Limiting grooves (16) are provided inside the left and right sides of the welding frame (10).

7. A welding device for a gas pipeline according to claim 6, characterized in that: The separated sides of the two springs (12) are respectively fixedly connected in the two limiting grooves (16), and the separated sides of the two clamping blocks (13) are respectively slidably connected in the two limiting grooves (16).

8. A welding device for a gas pipeline according to claim 2, characterized in that: A groove is provided in the middle of the welding frame (10), and an opening of the collecting box (11) is arranged below the groove.

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