Pipeline welding equipment

Abstract

The utility model belongs to the technical field of welding equipment, and discloses a pipeline welding equipment, including a base frame, a supporting device, a lifting chuck device and a welding device, wherein the base frame is provided with supporting rails along its length direction; a plurality of supporting devices are slidably arranged on the supporting rails, and are used to support the horizontal pipeline workpiece, and the pipeline workpiece can rotate freely on the supporting device; the lifting chuck device is arranged on the base frame and located at one end of the supporting rail, and is used to clamp the end of the pipeline workpiece and drive the pipeline workpiece to rotate a set angle, and the clamping height of the lifting chuck device is adjustable; the welding device includes a mobile platform slidably arranged on the supporting rail, and a welding operation assembly is arranged on the mobile platform, and the welding operation assembly is used to extend into the pipeline workpiece and weld the inner wall of the pipeline workpiece. The pipeline welding equipment can be applied to pipeline workpieces of multiple sizes, reduces the welding difficulty, improves the welding efficiency, and ensures the welding quality.

Description

Technical Field

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

[0002] In the machinery manufacturing industry and pipeline installation industry, pipeline welding is often required to meet the needs of pipeline docking and repair. Generally, the pipeline workpiece is clamped by the tooling, and then the workpiece is rotated by the drive system. The welder can perform simple welding on the pipeline surface according to the welding process. However, in the face of pipelines of different sizes, some pipelines have very small diameters, and it is difficult to weld the inner wall of the pipeline manually; some pipelines have large diameters, heavy pipe bodies, and inconvenient clamping, which increases the difficulty of welding and affects the welding quality and welding efficiency. Therefore, it is necessary to improve the functionality and versatility of welding equipment. Utility Model Content

[0003] Based on the above problems, the purpose of the utility model is to provide a pipeline welding device to adapt to pipeline workpieces of different sizes and meet various working conditions.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A pipeline welding device, comprising:

[0006] A base frame, wherein support rails are arranged along the length of the base frame;

[0007] Support devices, a plurality of support devices are slidably arranged on the support rails, and are used to support the horizontally placed pipeline workpieces, and the pipeline workpieces can rotate freely on the support devices;

[0008] A lifting chuck device is arranged on the base frame and located at one end of the support rail, and is used to clamp the end of the pipe workpiece and drive the pipe workpiece to rotate at a set angle. The clamping height of the lifting chuck device is adjustable;

[0009] The welding device comprises a moving platform which is slidably arranged on a supporting rail. A welding operation assembly is arranged on the moving platform. The welding operation assembly is used for extending into a pipeline workpiece and welding the inner wall of the pipeline workpiece.

[0010] As an optional solution, the supporting device includes a supporting seat arranged perpendicular to the supporting rail, and two rollers are provided on the supporting seat. The two rollers are arranged in parallel and spaced apart, and support both sides of the pipeline workpiece, and the rollers are in rolling contact with the surface of the pipeline workpiece.

[0011] As an option, the distance between the two rollers can be adjusted.

[0012] As an optional solution, two support rails are arranged side by side, the support seat spans the two support rails, and the support seat is provided with running wheels that roll with the support rails.

[0013] As an optional solution, the lifting chuck device includes a swivel support, a swivel bearing and a chuck body, a side surface of the swivel support is provided with a vertically arranged first guide rail, a lifting plate is provided on the first guide rail, and the lifting plate is driven by the lifting assembly to slide up and down along the first guide rail; the swivel support includes an inner ring body and an outer ring body, the inner ring body is fixed on the lifting plate, and the outer ring body is driven by the swivel assembly to rotate relative to the inner ring body; the chuck body is fixed on the end face of the outer ring body, and is used to clamp the pipeline workpiece and drive the pipeline workpiece to rotate.

[0014] As an optional solution, the lifting assembly includes a first reducer and a transmission chain. The first reducer is fixed on a slewing support. A driving sprocket is provided at the output end of the first reducer. Guide sprockets are provided on the slewing support above and below the lifting plate, respectively. One end of the transmission chain is connected to the upper edge of the lifting plate, and the other end of the transmission chain is connected to the lower edge of the lifting plate after passing through the upper guide sprocket, the driving sprocket, and the lower guide sprocket in sequence.

[0015] As an optional solution, the rotating assembly includes a second reducer, which is fixed on the lifting plate. A driving gear is provided at the output end of the second reducer, and an outer gear ring is provided at the outer edge of the outer ring body, and the driving gear is meshed with the outer gear ring.

[0016] As an optional solution, the slewing bearing is connected to the chuck body via an adapter plate, and a rotating handle is provided on the adapter plate. The rotating handle is used to manually drive the chuck body to rotate.

[0017] As an optional solution, the welding operation assembly includes a column, a cross arm and a welding gun. The column is fixed on the mobile platform, and a vertically arranged second guide rail is provided on the column, and a horizontally arranged third guide rail is provided on the cross arm. The column and the cross arm are arranged vertically, and a mounting plate is provided between the column and the cross arm. The mounting plate slides with the second guide rail and the third guide rail at the same time, and the welding gun is installed at the end of the cross arm.

[0018] As an optional solution, a rack is provided on the support rail along its length direction, a third reducer is provided on the mobile platform, and a travel gear matching with the rack is provided at the output end of the third reducer.

[0019] The beneficial effects of the utility model are as follows: the pipeline welding equipment reliably supports the pipeline workpiece through the supporting device, reliably clamps the pipeline workpiece through the lifting chuck device and drives the pipeline workpiece to rotate, and then welds the inner wall of the pipeline workpiece through the welding device. It can be applicable to pipeline workpieces of various sizes, reduces the welding difficulty, improves the welding efficiency, and ensures the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a pipeline welding device provided by an embodiment of the utility model;

[0021] Figure 2 It is a structural schematic diagram of a lifting chuck device in a pipeline welding device provided by an embodiment of the utility model.

[0022] In the attached figure:

[0023] 100, chassis; 101, support rail; 102, rack;

[0024] 200, supporting device; 201, supporting seat; 202, roller; 203, traveling wheel;

[0025] 300, lifting chuck device; 301, slewing support; 302, slewing support; 303, chuck body; 304, first guide rail; 305, lifting plate; 306, first reducer; 307, transmission chain; 308, guide sprocket; 309, driving sprocket; 310, driving gear; 311, outer gear ring; 312, adapter plate; 313, rotating handle;

[0026] 400, welding device; 401, mobile platform; 402, column; 403, cross arm; 404, welding gun; 405, second guide rail; 406, third guide rail; 407, mounting plate; 408, third reducer. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0028] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0030] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0031] See also Figure 1 and Figure 2 As shown, this preferred embodiment provides a pipeline welding device, including a base frame 100, a supporting device 200, a lifting chuck device 300 and a welding device 400, wherein:

[0032] The base frame 100 is provided with support rails 101 along its length direction;

[0033] A plurality of support devices 200 are slidably disposed on the support rail 101 to support the horizontally placed pipeline workpieces, and the pipeline workpieces can rotate freely on the support devices 200;

[0034] The lifting chuck device 300 is disposed on the base frame 100 and is located at one end of the support rail 101, and is used to clamp the end of the pipe workpiece and drive the pipe workpiece to rotate a set angle. The clamping height of the lifting chuck device 300 is adjustable;

[0035] The welding device 400 includes a moving platform 401 slidably disposed on the support rail 101 . A welding operation assembly is disposed on the moving platform 401 . The welding operation assembly is used to extend into the pipeline workpiece and weld the inner wall of the pipeline workpiece.

[0036] Therefore, the pipeline welding equipment reliably supports the pipeline workpiece through the supporting device 200, reliably clamps the pipeline workpiece through the lifting chuck device 300 and drives the pipeline workpiece to rotate, and then welds the inner wall of the pipeline workpiece through the welding device 400. It can be applicable to pipelines of various sizes, reduces welding difficulty, improves welding efficiency, and ensures welding quality.

[0037] Specifically, the supporting device 200 includes a supporting seat 201 arranged vertically with the supporting rail 101, and two rollers 202 are provided on the supporting seat 201. The two rollers 202 are arranged in parallel and spaced apart, and support both sides of the pipeline workpiece. The rollers 202 are in rolling contact with the surface of the pipeline workpiece, meeting the requirements of stable support and allowing the pipeline workpiece to rotate.

[0038] In order to adapt to pipeline workpieces of different sizes, the distance between the two rollers 202 is adjustable. Specifically, the roller seat of one roller 202 is fixed on the support seat 201, and the roller seat of the other roller 202 slides on the support seat 201, and the sliding roller seat is driven by a screw rod or other driving member to approach or move away from the fixed roller seat, thereby adjusting the distance between the two rollers 202 as needed.

[0039] In this embodiment, two support rails 101 are arranged side by side, and the support seat 201 spans the two support rails 101. The support seat 201 is provided with walking wheels 203 that roll with the support rails 101 to ensure that the support device 200 moves smoothly.

[0040] Specifically, the lifting chuck device 300 includes a swivel support 301, a swivel bearing 302 and a chuck body 303. A first guide rail 304 arranged vertically is provided on one side surface of the swivel support 301. A lifting plate 305 is provided on the first guide rail 304. The lifting plate 305 is driven by the lifting assembly to slide up and down along the first guide rail 304. The swivel support 302 includes an inner ring body and an outer ring body. The inner ring body is fixed on the lifting plate 305, and the outer ring body is driven by the swivel assembly to rotate relative to the inner ring body. The chuck body 303 is fixed on the end face of the outer ring body, and is used to clamp the pipeline workpiece and drive the pipeline workpiece to rotate.

[0041] Therefore, the chuck body 303 of the pipeline welding equipment has the functions of being able to rise and fall and rotate, and can adaptively adjust the clamping height, so that when facing workpieces of different heights, they can be effectively fixed, meeting the clamping requirements.

[0042] Furthermore, the lifting assembly includes a first reducer 306 and a transmission chain 307. The first reducer 306 is fixed on the rotating support 301. A driving sprocket 309 is provided at the output end of the first reducer 306. Guide sprockets 308 are respectively provided on the rotating support 301 and located above and below the lifting plate 305. One end of the transmission chain 307 is connected to the upper edge of the lifting plate 305, and the other end of the transmission chain 307 is connected to the lower edge of the lifting plate 305 after passing through the upper guide sprocket 308, the driving sprocket 309, and the lower guide sprocket 308 in sequence, so that the first reducer 306 drives the transmission chain 307 to transmit, thereby driving the lifting plate 305 to move.

[0043] In particular, the first reducer 306 and the upper guide sprocket 308 are installed on the top surface of the swivel support 301, the lower guide sprocket 308 is installed on the bottom surface of the swivel support 301 and is located inside the swivel support 301, and the swivel support 301 is provided with a through hole for the transmission chain 307 to pass freely, thereby improving the structural rationality and feasibility and ensuring the smooth movement of the lifting plate 305.

[0044] Furthermore, the rotating assembly includes a second reducer, which is fixed on the lifting plate 305. A driving gear 310 is provided at the output end of the second reducer, and an outer gear ring 311 is provided at the outer edge of the outer ring body. The driving gear 310 is meshed with the outer gear ring 311, so that the outer ring body is driven to rotate by the second reducer, thereby driving the chuck body 303 to rotate.

[0045] In particular, the slewing bearing 302 and the driving gear 310 are arranged on the front side of the lifting plate 305, the second reducer is fixed on the back side of the lifting plate 305, the output end of the second reducer passes through the lifting plate 305, and an escape opening for avoiding the second reducer is provided on the slewing bearing 301, thereby improving the rationality and feasibility of the structure and making the structure compact.

[0046] Furthermore, the slewing bearing 302 is connected to the chuck body 303 via an adapter plate 312 , and a rotating handle 313 is provided on the adapter plate 312 . The rotating handle 313 is used to manually drive the chuck body 303 to rotate, so as to manually control the required rotation angle of the pipe workpiece.

[0047] Specifically, the welding operation assembly includes a column 402, a cross arm 403 and a welding gun 404. The column 402 is fixed on the mobile platform 401, and a second guide rail 405 arranged vertically is provided on the column 402, and a third guide rail 406 arranged horizontally is provided on the cross arm 403. The column 402 and the cross arm 403 are arranged vertically, and a mounting plate 407 is provided between the column 402 and the cross arm 403. The mounting plate 407 is slidably matched with the second guide rail 405 and the third guide rail 406 at the same time, and the welding gun 404 is installed at the end of the cross arm 403. Therefore, by controlling the displacement of the cross arm 403 in the horizontal and vertical directions relative to the column 402, the welding gun 404 is controlled to move at any position in the pipeline workpiece to meet the welding needs.

[0048] In particular, a rack 102 is provided on the support rail 101 along its length direction, a third reducer 408 is provided on the mobile platform 401, and a traveling gear cooperating with the rack 102 is provided at the output end of the third reducer 408, thereby realizing precise feeding of the welding device 400, facilitating automated welding, and ensuring welding quality.

[0049] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. Pipeline welding equipment, characterized in that: include: A base frame (100), wherein support rails (101) are arranged on the base frame (100) along its length direction; A supporting device (200), wherein a plurality of the supporting devices (200) are slidably disposed on the supporting rail (101) and are used to support a horizontally placed pipeline workpiece, and the pipeline workpiece can rotate freely on the supporting device (200); A lifting chuck device (300) is arranged on the base frame (100) and located at one end of the support rail (101), and is used to clamp the end of the pipe workpiece and drive the pipe workpiece to rotate at a set angle. The clamping height of the lifting chuck device (300) is adjustable; The welding device (400) comprises a movable platform (401) slidably arranged on the support rail (101), wherein a welding operation assembly is arranged on the movable platform (401), and wherein the welding operation assembly is used to extend into the pipe workpiece and weld the inner wall of the pipe workpiece.

2. The pipeline welding equipment according to claim 1, characterized in that: The support device (200) comprises a support seat (201) arranged perpendicularly to the support rail (101), and two rollers (202) are arranged on the support seat (201), and the two rollers (202) are arranged in parallel and spaced apart to support two sides of the pipeline workpiece, and the rollers (202) are in rolling contact with the surface of the pipeline workpiece.

3. The pipeline welding equipment according to claim 2, characterized in that: The distance between the two rollers (202) is adjustable.

4. The pipeline welding equipment according to claim 2, characterized in that: Two support rails (101) are arranged side by side, the support seat (201) straddles the two support rails (101), and the support seat (201) is provided with walking wheels (203) that roll with the support rails (101).

5. The pipeline welding equipment according to claim 1, characterized in that: The lifting chuck device (300) comprises a slewing support (301), a slewing bearing (302) and a chuck body (303), wherein: A first guide rail (304) arranged vertically is provided on one side surface of the slewing support (301), a lifting plate (305) is provided on the first guide rail (304), and the lifting plate (305) is driven by a lifting assembly to slide up and down along the first guide rail (304); The slewing bearing (302) comprises an inner ring body and an outer ring body, wherein the inner ring body is fixed on the lifting plate (305), and the outer ring body is driven by the slewing assembly to rotate relative to the inner ring body; The chuck body (303) is fixed on the end surface of the outer ring body and is used to clamp the pipe workpiece and drive the pipe workpiece to rotate.

6. The pipeline welding equipment according to claim 5, characterized in that: The lifting assembly comprises a first reducer (306) and a transmission chain (307), wherein the first reducer (306) is fixed on the slewing support (301), a driving sprocket (309) is arranged at the output end of the first reducer (306), guide sprockets (308) are arranged on the slewing support (301) above and below the lifting plate (305), respectively, one end of the transmission chain (307) is connected to the upper edge of the lifting plate (305), and the other end of the transmission chain (307) is connected to the lower edge of the lifting plate (305) after passing through the upper guide sprocket (308), the driving sprocket (309), and the lower guide sprocket (308) in sequence.

7. The pipeline welding equipment according to claim 5, characterized in that: The rotary assembly comprises a second reducer, the second reducer is fixed on the lifting plate (305), a driving gear (310) is arranged at the output end of the second reducer, an outer gear ring (311) is arranged at the outer edge of the outer ring body, and the driving gear (310) is meshed with the outer gear ring (311).

8. The pipeline welding equipment according to claim 5, characterized in that: The slewing bearing (302) and the chuck body (303) are connected via an adapter plate (312). A rotating handle (313) is provided on the adapter plate (312). The rotating handle (313) is used to manually drive the chuck body (303) to rotate.

9. The pipeline welding equipment according to claim 1, characterized in that: The welding operation assembly comprises a column (402), a cross arm (403) and a welding gun (404); the column (402) is fixed on the mobile platform (401), and a second guide rail (405) arranged vertically is provided on the column (402); a third guide rail (406) arranged horizontally is provided on the cross arm (403); the column (402) and the cross arm (403) are arranged vertically, and a mounting plate (407) is provided between the column (402) and the cross arm (403); the mounting plate (407) is slidably matched with the second guide rail (405) and the third guide rail (406) at the same time; and the welding gun (404) is mounted on the end of the cross arm (403).

10. The pipeline welding equipment according to claim 1, characterized in that: A rack (102) is arranged on the support rail (101) along its length direction, a third reducer (408) is arranged on the mobile platform (401), and a travel gear matched with the rack (102) is arranged at the output end of the third reducer (408).

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