Butt welding device for gas pipeline installation

Abstract

The utility model provides a fuel gas pipeline installation butt welding device, which relates to the technical field of fuel gas pipeline welding and comprises a base plate, a supporting shell is fixed on the top surface of the base plate, two lifting plates are arranged on the upper portion of the base plate, and positioning mechanisms for fixing pipelines are arranged on the upper portions of the two lifting plates. The positioning mechanism comprises a first arc-shaped plate fixed to the top face of the lifting plate, one end of the first arc-shaped plate is rotationally connected with a second arc-shaped plate, and the other end of the second arc-shaped plate is connected with the top end of the first arc-shaped plate in a clamped mode. According to the fuel gas pipeline installation butt welding device, a rocker is rotated through external force, a moving block is driven to slide between limiting rods through cooperation between the rocker and a two-way threaded rod, a lifting plate is driven to move up and down through cooperation among the moving block, a supporting rod and a positioning block, and the using heights of the two butt joint pipelines are adjusted correspondingly; and the practicability of adjusting the docking device according to the use environment is improved.

Description

Technical Field

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

[0002] As an efficient, high-quality and clean energy, natural gas is used more and more widely. The demand for natural gas in urban gas is increasing. With the construction of new stations, a large number of gas pipelines are installed and laid. Gas pipelines are also called gas transmission pipelines. They are a diversion tool for transporting gas. Gas pipelines are generally connected by welding.

[0003] A gas pipeline installation and docking device is disclosed in the Chinese patent application disclosure CN219747744U. In the utility model, the troublesome problem of manual docking of gas pipes is effectively solved through a first fixing ring, a second fixing ring, a limit block, a limit groove, a pipeline pad, a pipeline fixing mechanism, a first movable plate, a second movable plate, a slideway, a sliding block and a movable mechanism.

[0004] Although the above scheme can support the pipeline being welded, the gas pipeline installation and docking device in the above patent is not convenient for adjusting the height of the two sections of the gas pipeline separately. When laying the pipeline, the two sections of the gas pipeline may need to be supported at different heights, resulting in a limited working environment for the docking device. To this end, we provide a gas pipeline installation and docking welding device to solve the above problems. Utility Model Content

[0005] The utility model provides a gas pipeline installation butt welding device to solve the problem that the butt welding device in the prior art is inconvenient to adjust the heights of two sections of gas pipelines separately.

[0006] The utility model is implemented through the following technical scheme: a gas pipeline installation butt welding device, including a base plate, a support shell is fixed on the top surface of the base plate, two lifting plates are arranged on the upper part of the base plate, and the upper parts of the two lifting plates are each provided with a positioning mechanism for fixing the pipeline.

[0007] Specifically, the positioning mechanism includes a first curved plate fixed on the top surface of the lifting plate, one end of the first curved plate is rotatably connected to the second curved plate, the other end of the second curved plate is clamped with the top end of the first curved plate, the top surface of the second curved plate is rotatably connected to a transmission threaded rod, a rotating wheel is fixed to the top end of the transmission threaded rod, the bottom end of the transmission threaded rod passes through the second curved plate and is rotatably connected to the positioning plate, and two telescopic rods are fixed between the top surface of the positioning plate and the second curved plate.

[0008] A lifting mechanism for driving the lifting plates to move is arranged between the base plate and the two lifting plates.

[0009] Specifically, the lifting plate includes two supporting blocks fixed on the top surface of the moving plate and two limiting rods fixed on the top surfaces of the two moving plates. The two supporting blocks are internally rotatably connected with a bidirectional threaded rod, and two ends of the bidirectional threaded rod are provided with two sections of threads in opposite directions. One end of the bidirectional threaded rod passes through one of the supporting blocks and is fixedly sleeved with a rocker arm. Both ends of the bidirectional threaded rod are threadedly connected with moving blocks, and the two moving blocks are slidably connected between the two limiting rods.

[0010] Specifically, the lifting mechanism also includes a positioning block fixed on the bottom surface of the lifting plate, and one side of the positioning block is rotatably connected to two support rods, and the ends of the two support rods close to each other are provided with mutually meshing teeth, and the bottom ends of the two support rods are respectively rotatably connected to the top surfaces of the two moving blocks.

[0011] Two slide grooves are arranged inside the base plate, and a transmission mechanism for driving the two lifting mechanisms to move is arranged on the upper part of the base plate.

[0012] Specifically, the transmission mechanism includes a motor fixed on the top wall of the support shell, the output end of the motor is fixedly sleeved with a sleeve, the outer surface of the sleeve is evenly fixed with two transmission rods, and the ends of the two transmission rods away from the sleeve are rotatably connected to push rods.

[0013] Specifically, the transmission mechanism also includes two sliders respectively slidably connected inside the two slide grooves, the top surfaces of the two sliders are fixed with movable plates, the side surfaces of the two movable plates close to each other are fixed with connecting blocks, and the top surfaces of the two connecting blocks are respectively rotatably connected to the ends of the two push rods away from the transmission rod.

[0014] The utility model provides a gas pipeline installation butt welding device, which has the following beneficial effects:

[0015] 1. The gas pipeline is installed with a butt welding device. The rocker is rotated by external force. The cooperation between the rocker and the two-way threaded rod drives the moving block to slide between the limit rods. The cooperation between the moving block, the support rod and the positioning block drives the lifting plate to move up and down, and the height of the two sections of the butt welding pipes is adjusted respectively, thereby improving the practicality of the butt welding device in adjusting according to the use environment.

[0016] 2. The gas pipeline is installed with a butt welding device, and the pipeline to be butted is placed between the first arc plate and the second arc plate. The rotating wheel is rotated by external force, and the positioning plate is driven to move through the cooperation between the rotating wheel, the transmission threaded rod and the telescopic rod, and the pipeline is fixed by the positioning plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the positioning mechanism in the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the transmission mechanism in the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the lifting mechanism in the utility model.

[0021] Description of Reference Numerals

[0022] 1. Base plate; 2. Support shell; 3. Slide groove;

[0023] 4. Transmission mechanism; 41. Motor; 42. Sleeve; 43. Transmission rod; 44. Push rod; 45. Connecting block; 46. Moving plate; 47. Sliding block;

[0024] 5. Lifting plate;

[0025] 6. Lifting mechanism; 61. Support block; 62. Bidirectional threaded rod; 63. Moving block; 64. Rocker; 65. Positioning block; 66. Support rod; 67. Limit rod;

[0026] 7. Positioning mechanism; 71. First arc-shaped plate; 72. Second arc-shaped plate; 73. Transmission threaded rod; 74. Rotating wheel; 75. Positioning plate; 76. Telescopic rod. DETAILED DESCRIPTION

[0027] Please refer to Figure 1 The embodiment of the utility model provides a gas pipeline installation butt welding device, including a base plate 1, a support shell 2 is fixed to the top surface of the base plate 1, two lifting plates 5 are arranged on the upper part of the base plate 1, and the upper parts of the two lifting plates 5 are each provided with a positioning mechanism 7 for fixing the pipeline.

[0028] Please refer to Figure 2 The positioning mechanism 7 includes a first curved plate 71 fixed to the top surface of the lifting plate 5, one end of the first curved plate 71 is rotatably connected to the second curved plate 72, the other end of the second curved plate 72 is clamped with the top end of the first curved plate 71, the top surface of the second curved plate 72 is rotatably connected to a transmission threaded rod 73, the top end of the transmission threaded rod 73 is fixed with a rotating wheel 74, the bottom end of the transmission threaded rod 73 passes through the second curved plate 72 and is rotatably connected to a positioning plate 75, two telescopic rods 76 are fixed between the top surface of the positioning plate 75 and the second curved plate 72, the rotating wheel 74 is rotated by external force, and the positioning plate 75 is driven to move through the cooperation between the rotating wheel 74, the transmission threaded rod 73 and the telescopic rod 76.

[0029] In the above scheme, the pipe to be docked is placed between the first arc plate 71 and the second arc plate 72, and the rotating wheel 74 is rotated by external force, and the positioning plate 75 is driven to move through the cooperation between the rotating wheel 74, the transmission threaded rod 73 and the telescopic rod 76, and the pipe is fixed by the positioning plate 75.

[0030] Please refer to Figure 1 A lifting mechanism 6 for driving the lifting plates 5 to move is provided between the base plate 1 and the two lifting plates 5 .

[0031] Please refer to Figure 4 The lifting plate 5 includes two support blocks 61 fixed on the top surface of the moving plate 46 and two limit rods 67 fixed on the top surfaces of the two moving plates 46. The two support blocks 61 are internally rotatably connected with a bidirectional threaded rod 62. Two ends of the bidirectional threaded rod 62 are provided with two sections of threads in opposite directions. One end of the bidirectional threaded rod 62 passes through one of the support blocks 61 and is fixedly sleeved with a rocker 64. Both ends of the bidirectional threaded rod 62 are threadedly connected with a moving block 63. The two moving blocks 63 are slidably connected between the two limit rods 67. The cooperation between the rocker 64 and the bidirectional threaded rod 62 drives the moving block 63 to slide between the limit rods 67.

[0032] The lifting mechanism 6 also includes a positioning block 65 fixed to the bottom surface of the lifting plate 5. One side of the positioning block 65 is rotatably connected to two support rods 66. The lifting plate 5 is driven to move up and down through the cooperation between the moving block 63, the support rod 66 and the positioning block 65. The ends of the two support rods 66 that are close to each other are provided with mutually meshing teeth, and the bottom ends of the two support rods 66 are rotatably connected to the top surfaces of the two moving blocks 63 respectively.

[0033] In the above scheme, the rocker 64 is rotated by external force, and the cooperation between the rocker 64 and the transmission threaded rod 73 drives the moving block 63 to slide between the limit rods 67, and the cooperation between the moving block 63, the support rod 66 and the positioning block 65 drives the lifting plate 5 to move up and down, respectively adjusting the height of the two sections of the docking pipes.

[0034] Please refer to Figure 1 Two slide grooves 3 are provided inside the base plate 1 , and a transmission mechanism 4 for driving two lifting mechanisms 6 to move is provided on the upper part of the base plate 1 .

[0035] Please refer to Figure 3 The transmission mechanism 4 includes a motor 41 fixed to the inner top wall of the support shell 2, the output end of the motor 41 is fixedly sleeved with a sleeve 42, and two transmission rods 43 are evenly fixed on the outer surface of the sleeve 42. The ends of the two transmission rods 43 away from the sleeve 42 are rotatably connected to push rods 44.

[0036] The transmission mechanism 4 also includes two sliders 47 respectively slidably connected to the inside of the two slide grooves 3, and the top surfaces of the two sliders 47 are fixed with movable plates 46. The movable plates 46 are driven to move horizontally on the top surface of the base plate 1 through the cooperation between the sleeve 42, the transmission rod 43 and the push rod 44. The side surfaces of the two movable plates 46 close to each other are fixed with connecting blocks 45, and the top surfaces of the two connecting blocks 45 are respectively rotatably connected to the ends of the two push rods 44 away from the transmission rod 43.

[0037] In the above scheme, the motor 41 drives the sleeve 42 to rotate, and the cooperation between the sleeve 42, the transmission rod 43 and the push rod 44 drives the movable plate 46 to move horizontally on the top surface of the base plate 1. The movable plate 46 drives the two positioning mechanisms 7 to approach each other, so that the two fixed pipes are connected.

[0038] Working principle: When the docking device is used, the pipe to be docked is placed between the first curved plate 71 and the second curved plate 72, and the rotating wheel 74 is rotated by external force. The positioning plate 75 is driven to move through the cooperation between the rotating wheel 74, the transmission threaded rod 73 and the telescopic rod 76, and the pipe is fixed by the positioning plate 75; according to the docking height of the pipe, the rocker 64 is rotated by external force, and the moving block 63 is driven to slide between the limit rods 67 through the cooperation between the rocker 64 and the two-way threaded rod 62, and the lifting plate 5 is driven to move up and down through the cooperation between the moving block 63, the support rod 66 and the positioning block 65, respectively adjusting the height of the two sections of docking pipes, thereby improving the practicality of the docking device to be adjusted according to the use environment; then the sleeve 42 is driven to rotate by the motor 41, and the moving plate 46 is driven to move horizontally on the top surface of the base plate 1 through the cooperation between the sleeve 42, the transmission rod 43 and the push rod 44, and the two positioning mechanisms 7 are driven to approach each other through the moving plate 46, so that the two fixed pipes are docked, thereby improving the stability of the docking device.

[0039] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A gas pipeline installation butt welding device, comprising a base plate (1), characterized in that: A support shell (2) is fixed on the top surface of the base plate (1), two lifting plates (5) are arranged on the upper part of the base plate (1), and positioning mechanisms (7) for fixing the pipeline are arranged on the upper parts of the two lifting plates (5); A lifting mechanism (6) for driving the lifting plates (5) to move is arranged between the base plate (1) and the two lifting plates (5); two sliding grooves (3) are arranged inside the base plate (1); and a transmission mechanism (4) for driving the two lifting mechanisms (6) to move is arranged on the upper part of the base plate (1).

2. A gas pipeline installation butt welding device according to claim 1, characterized in that: The transmission mechanism (4) comprises a motor (41) fixed to the inner top wall of the support shell (2); the output end of the motor (41) is fixedly sleeved with a sleeve (42); two transmission rods (43) are evenly fixed on the outer surface of the sleeve (42); and the ends of the two transmission rods (43) away from the sleeve (42) are rotatably connected to push rods (44).

3. A gas pipeline installation butt welding device according to claim 2, characterized in that: The transmission mechanism (4) further comprises two sliders (47) respectively slidably connected inside the two slide grooves (3), the top surfaces of the two sliders (47) are fixed with movable plates (46), the side surfaces of the two movable plates (46) close to each other are fixed with connecting blocks (45), and the top surfaces of the two connecting blocks (45) are respectively rotatably connected to the ends of the two push rods (44) away from the transmission rod (43).

4. A gas pipeline installation butt welding device according to claim 3, characterized in that: The lifting plate (5) comprises two support blocks (61) fixed on the top surface of the moving plate (46) and two limit rods (67) fixed on the top surfaces of the two moving plates (46); the two support blocks (61) are internally rotatably connected with a bidirectional threaded rod (62); two ends of the bidirectional threaded rod (62) are provided with two sections of threads in opposite directions; one end of the bidirectional threaded rod (62) passes through one of the support blocks (61) and is fixedly sleeved with a rocker (64); both ends of the bidirectional threaded rod (62) are threadedly connected with a moving block (63); and the two moving blocks (63) are slidably connected between the two limit rods (67).

5. A gas pipeline installation butt welding device according to claim 4, characterized in that: The lifting mechanism (6) further comprises a positioning block (65) fixed to the bottom surface of the lifting plate (5); one side of the positioning block (65) is rotatably connected to two support rods (66); the ends of the two support rods (66) close to each other are provided with teeth meshing with each other; the bottom ends of the two support rods (66) are rotatably connected to the top surfaces of the two moving blocks (63) respectively.

6. A gas pipeline installation butt welding device according to claim 1, characterized in that: The positioning mechanism (7) comprises a first curved plate (71) fixed on the top surface of the lifting plate (5); one end of the first curved plate (71) is rotatably connected to a second curved plate (72); the other end of the second curved plate (72) is clamped with the top end of the first curved plate (71); the top surface of the second curved plate (72) is rotatably connected to a transmission threaded rod (73); a rotating wheel (74) is fixed to the top end of the transmission threaded rod (73); the bottom end of the transmission threaded rod (73) passes through the second curved plate (72) and is rotatably connected to a positioning plate (75); two telescopic rods (76) are fixed between the top surface of the positioning plate (75) and the second curved plate (72).

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