Large-diameter pipe fitting welding prefabrication platform

The welding preparation platform simplifies the rotation of large diameter pipes for alignment, addressing the inefficiencies in existing welding methods by enabling rapid and efficient pipe rotation for alignment.

CN120306942APending Publication Date: 2025-07-15SHANGHAI BAOYE GRP CORP
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Patent Information

Application Number
CN202510566115.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-30
Publication Date
2025-07-15

AI Technical Summary

Technical Problem

In the prior art, the rotation method of large diameter pipes is troublesome, difficult and time-consuming when welding.

Method used

A prefabricated platform for welding of large-diameter pipe fittings is designed, including a base, support plate, fixed workbench, mobile workbench, power device and arc-shaped hoisting mechanism. The mobile workbench is driven by the power device to drive the pipe to flip, and the rapid clamping and flip of the pipe is achieved by combining C-shaped steel and screw fixing devices.

Benefits of technology

It realizes rapid and convenient welding of large-diameter pipes, with simple and easy-to-get materials and easy to use on construction sites, and is suitable for welding of pipes of multiple diameters.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a large-diameter pipe fitting welding prefabricating platform which comprises a base, supporting plates, a fixed workbench, a movable workbench, a power device and an arc-shaped jacking mechanism, the multiple supporting plates are installed on the base, the fixed workbench is installed on the two supporting plates, a base plate is installed on the other supporting plate, and the movable workbench is installed on the base. One end of the arc-shaped jacking mechanism is connected with one end of the base plate through a first connecting pin, the bottom of the arc-shaped plate is connected with the arc-shaped jacking mechanism, one side of the arc-shaped jacking mechanism is connected with the output end of the power device, the other end of the power device is installed on the base, and the pipe fixing devices are installed on the fixed workbench and the movable workbench correspondingly. By means of the pipe fitting overturning device, pipe fittings can be overturned conveniently and rapidly, and welding is convenient.
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Description

Technical Field

[0001] The present invention relates to the technical field of pipe fitting manufacturing, and more specifically, to a welding prefabrication platform for large-diameter pipe fittings. Background Art

[0002] Pipes are widely used. When large pipes are applied, multiple pipes need to be welded, and large-diameter pipes and pipe fittings also need to be butt-welded. During welding, a hoisting method is required to rotate the pipes. Currently, the rotation method is troublesome, difficult, and time-consuming. Summary of the Invention

[0003] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a welding prefabrication platform for large-diameter pipe fittings, which can conveniently and quickly turn the pipe fittings for convenient welding.

[0004] The present invention adopts the following technical solutions:

[0005] A welding prefabrication platform for large-diameter pipe fittings includes a base, support plates, a fixed workbench, a movable workbench, a power device, and an arc-shaped lifting mechanism. A plurality of support plates are installed on the base, the fixed workbench is installed on two support plates, a base plate is installed on another support plate, one end of the arc-shaped lifting mechanism is connected to one end of the base plate through a connecting pin one, the bottom of the arc-shaped plate is connected to the arc-shaped lifting mechanism, one side of the arc-shaped lifting mechanism is connected to the output end of the power device, the other end of the power device is installed on the base, and pipe fitting fixing devices are installed on both the fixed workbench and the movable workbench.

[0006] Furthermore, the pipe fitting fixing device includes a C-shaped steel one, a C-shaped steel two, a screw, and a nut. Two C-shaped steels two are respectively vertically installed on the C-shaped steel one. The C-shaped steel one is installed on the fixed workbench and the movable workbench. The screw is stuck in the groove of the C-shaped steel two, and the nut is used to lock the screw.

[0007] Furthermore, an arc surface corresponding to the arc-shaped plate is provided on the outer side of the base plate, and the inner side of the arc-shaped plate corresponds to the outer side of the base plate.

[0008] Furthermore, a clamping plate is further included. The arc-shaped plate is located between the clamping plate and the base plate, and both sides of the clamping plate and the base plate are connected through limit fixing plates.

[0009] Furthermore, each limit fixing plate is connected to the clamping plate and the base plate through two screws respectively.

[0010] Furthermore, the arc-shaped lifting mechanism is a lifting plate, and the end of the lifting plate is connected to one side of the arc-shaped plate through two screws.

[0011] Furthermore, the output end of the power device is connected to the lifting plate through a connecting pin two.

[0012] Advantageous Effects

[0013] The materials of the present invention are simple, easily obtainable at the construction site, light in weight and convenient to carry. After being fabricated once, the present invention can be directly used without the need for on-site welding operations. The present invention is applicable to the welding of large pipes with various diameters within a certain range. Brief Description of the Drawings

[0014] Figure 1 It is a schematic diagram of an embodiment of the present invention. Detailed Embodiment

[0015] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0016] As shown in the figure, the present invention discloses a welding prefabrication platform for large-diameter pipe fittings, which includes a base 1, a support plate 2, a fixed workbench 3, a movable workbench 4, a power device 5 and an arc-shaped lifting mechanism 6. A plurality of support plates 2 are installed on the base 1, the fixed workbench 3 is installed on two support plates 2, a base plate 7 is installed on another support plate 2, one end of the arc-shaped lifting mechanism 6 is connected to one end of the base plate 7 through a connecting pin 1, the bottom of the arc-shaped plate 9 is connected to the arc-shaped lifting mechanism 6, one side of the arc-shaped lifting mechanism 6 is connected to the output end of the power device 5, and the other end of the power device 5 is installed on the base 1. Pipe fitting fixing devices are installed on both the fixed workbench 3 and the movable workbench 4. The present invention can place a large-diameter pipe on the fixed workbench 3 and use the pipe fitting fixing device to clamp the large-diameter pipe. When it is necessary to flip and adjust the position of the weld seam, the power device 5 is controlled to drive the movable workbench 4 to drive the large-diameter pipe to flip. The present invention is particularly applicable to elbows and tees.

[0017] In an embodiment of the present invention, the pipe fitting fixing device includes a C-shaped steel 1, a C-shaped steel 2, a screw 3 and a nut. Two C-shaped steels 2 are respectively vertically installed on the C-shaped steel 1. The C-shaped steel 1 is installed on both the fixed workbench 3 and the movable workbench. The screw 3 is stuck in the groove of the C-shaped steel 2, and the nut is used to lock the screw 3. The C-shaped steel 1 is used to install the C-shaped steel 2, and the two C-shaped steels 2 are used to clamp the pipe. The position of the screw 3 can be adjusted to clamp the pipe. After the screw 3 is adjusted in place, the nut is used to fix the screw 3.

[0018] In an embodiment of the present invention, an arc surface corresponding to the arc-shaped plate 9 is provided on the outer side of the base plate 7, and the inner side of the arc-shaped plate 9 corresponds to the outer side of the base plate 7. The base plate 7 plays a role of guiding and limiting the arc-shaped plate 9 in one direction.

[0019] In an embodiment of the present invention, it further includes a clamping plate 13. The arc-shaped plate 9 is located between the clamping plate 13 and the substrate 7. Both sides of the clamping plate 13 and the substrate 7 are connected by a limit fixing plate 14. The clamping plate 13 is used to clamp the arc-shaped plate 9 to prevent the protection plate 9 from turning out from the position of the clamping plate 13. The limit fixing plate 14 not only plays the role of installing the clamping plate 13, but also can play the role of limiting the arc-shaped plate 9.

[0020] In an embodiment of the present invention, each limit fixing plate 14 is respectively connected to the clamping plate 13 and the substrate 7 by 2 screws.

[0021] In an embodiment of the present invention, the arc-shaped lifting mechanism 6 is a lifting plate. The end of the lifting plate is connected to one side of the arc-shaped plate 9 by 2 screws.

[0022] In an embodiment of the present invention, the output end of the power device 5 is connected to the lifting plate through a connecting pin two 15. The power device 5 here is a cylinder. The other end of the cylinder is hinged on the base 1, so that the cylinder can rotate when working.

[0023] As described above, it is only a preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A prefabrication platform for welding large-diameter pipe fittings, characterized in that: It includes a base, a support plate, a fixed workbench, a movable workbench, a power device and an arc-shaped lifting mechanism. A number of support plates are installed on the base. The fixed workbench is installed on two support plates, and a substrate is installed on another support plate. One end of the arc-shaped lifting mechanism is connected to one end of the substrate through a first connecting pin. The bottom of the arc-shaped plate is connected to the arc-shaped lifting mechanism. One side of the arc-shaped lifting mechanism is connected to the output end of the power device, and the other end of the power device is installed on the base. Pipe fixing devices are installed on both the fixed workbench and the movable workbench.

2. The prefabrication platform for welding large-diameter pipe fittings according to claim 1, wherein: The pipe fixing device includes a first C-shaped steel, a second C-shaped steel, a screw rod and a nut. Two second C-shaped steels are respectively vertically installed on the first C-shaped steel. The first C-shaped steel is installed on the fixed workbench and the movable workbench. The screw rod is stuck in the groove of the second C-shaped steel, and the nut is used to lock the screw rod.

3. A prefabrication platform for welding large-diameter pipe fittings according to claim 1, characterized in that: The outer side of the substrate is provided with an arc surface corresponding to the arc-shaped plate, and the inner side of the arc-shaped plate corresponds to the outer side of the substrate.

4. A prefabrication platform for welding large-diameter pipe fittings according to claim 3, characterized in that: It further includes a clamping plate. The arc-shaped plate is located between the clamping plate and the substrate, and the two sides of the clamping plate and the substrate are connected through limit fixing plates.

5. A prefabrication platform for welding large-diameter pipe fittings according to claim 4, characterized in that: Each limit fixing plate is connected to the clamping plate and the substrate through two screws respectively.

6. A prefabrication platform for welding large-diameter pipe fittings according to claim 5, characterized in that: The arc-shaped lifting mechanism is a lifting plate, and the end of the lifting plate is connected to one side of the arc-shaped plate through two screws.

7. A prefabrication platform for welding large-diameter pipe fittings according to claim 6, characterized in that: The output end of the power device is connected to the lifting plate through a second connecting pin.