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CN-122007798-A - Auxiliary welding machine for pipeline maintenance

CN122007798ACN 122007798 ACN122007798 ACN 122007798ACN-122007798-A

Abstract

The invention discloses an auxiliary welding machine for pipeline maintenance, which belongs to the technical field of welding equipment and comprises two groups of clamping mechanisms, wherein the two groups of clamping mechanisms can clamp a pipe fitting to be welded, the tops of the clamping mechanisms are fixedly connected through connecting plates, the two groups of clamping mechanisms are slidably connected to the supporting mechanisms, the supporting mechanisms can drive the clamping mechanisms to vertically lift and horizontally slide, a driving mechanism is slidably connected to the clamping mechanisms, and one side of the driving mechanism is provided with a welding mechanism. According to the invention, the clamping mechanism ensures that the pipe fitting to be welded is aligned with the damaged part of the pipeline, the driving mechanism can drive the welding mechanism to weld, the welding at the two ends of the pipe fitting to be welded can be synchronously carried out, the operation is simple, the operation can be convenient by a single person, and the maintenance welding efficiency is effectively improved.

Inventors

  • LI RUI

Assignees

  • 万能工科技(吉林)有限公司

Dates

Publication Date
20260512
Application Date
20260415

Claims (10)

  1. 1. The auxiliary welding machine for pipeline maintenance comprises a supporting mechanism (1) and clamping mechanisms (2), and is characterized in that the clamping mechanisms (2) are two groups, the clamping mechanisms (2) can clamp a pipe fitting (6) to be welded, the tops of the two groups of clamping mechanisms (2) are fixedly connected through a connecting plate, the two groups of clamping mechanisms (2) are slidably connected to the supporting mechanism (1), the supporting mechanism (1) can drive the clamping mechanisms (2) to vertically lift and horizontally slide, a driving mechanism (3) is slidably connected to the clamping mechanisms (2), a car body assembly (5) is arranged on one side of the driving mechanism (3), the driving mechanism (3) can move annularly along the clamping mechanisms (2), the driving mechanism (3) can drive the car body assembly (5) to move annularly along the pipe fitting (6) to be welded, and a welding assembly (4) is inserted on the car body assembly (5).
  2. 2. The auxiliary welding machine for pipeline maintenance according to claim 1, wherein the supporting mechanism (1) comprises a vertical hydraulic rod (11), a horizontal rail (12) and a horizontal hydraulic rod (13), the horizontal rail (12) is fixedly connected to the top of the vertical hydraulic rod (11), the horizontal hydraulic rod (13) is fixedly connected to the rear side of the horizontal rail (12), a sliding plate (23) is fixedly connected to a connecting plate on the top of the clamping mechanism (2), the sliding plate (23) is in sliding connection with the horizontal rail (12), one end of the horizontal hydraulic rod (13) is fixedly connected with the sliding plate (23), and the horizontal hydraulic rod (13) can drive the sliding plate (23) to horizontally slide on the horizontal rail (12).
  3. 3. Auxiliary welding machine for pipeline maintenance according to claim 2, characterized in that the clamping mechanism (2) is formed by fixedly connecting two clamping rings, the clamping rings are formed by splicing an upper half ring (21) and a lower half ring (22), the clamping rings can clamp two ends of a pipe fitting (6) to be welded, and gear rings (24) are fixedly arranged on the clamping rings.
  4. 4. The auxiliary welding machine for pipeline maintenance according to claim 3, wherein the driving mechanism (3) comprises a moving frame (31), a driven gear (32), a sliding seat (33), a limiting cylinder (34), a first connecting rod (35), a second connecting rod (36), a driving motor (37) and a first connecting sleeve (38), the driven gear (32) is rotationally connected to the top of the moving frame (31), the driving motor (37) is in two groups, the driving motor (37) is symmetrically and fixedly connected to the bottom of the moving frame (31), the limiting cylinder (34) is fixedly connected to the moving frame (31), the limiting cylinder (34) is sleeved on a rotating shaft of the driven gear (32), the sliding seat (33) is slidingly connected to the limiting cylinder (34), the first connecting sleeve (38) is hinged to the top of the sliding seat (33), one end of the first connecting rod (35) is clamped on the first connecting sleeve (38), the second connecting rod (36) is in two groups, the second connecting rod (36) is symmetrically arranged on the moving frame (31), the second connecting rod (36) is fixedly connected to one end of the driving wheel (371) and can be fixedly connected to the driving wheel (37) through the driving wheel (37), the bottom of the vehicle body assembly (5) is rotationally connected with a travelling wheel (516), the vehicle body assembly (5) is symmetrically and fixedly connected with a fixed connection sleeve (515), and the second connecting rod (36) can be clamped with the fixed connection sleeve (515).
  5. 5. The auxiliary welding machine for pipeline maintenance according to claim 4, wherein the driven gear (32) is meshed with the gear ring (24), a closed arc-shaped groove (321) is arranged on a rotating shaft of the driven gear (32), a limit groove (341) is arranged at the top of the limit cylinder (34), the sliding seat (33) is slidably connected with the limit groove (341), and a clamping bead is arranged at the bottom of the sliding seat (33) and slidably connected with the closed arc-shaped groove (321).
  6. 6. The auxiliary welding machine for pipeline maintenance according to claim 5, wherein the welding assembly (4) comprises a welding frame (41), a welding gun (42) and a second connecting sleeve (43), the welding gun (42) is hinged in the welding frame (41), the second connecting sleeve (43) is hinged at the top of the welding gun (42), a connecting track (511) is fixedly connected to one side, close to the driving mechanism (3), of the vehicle body assembly (5), a connecting block (411) is fixedly connected to one side, close to the vehicle body assembly (5), of the welding frame (41), and the connecting block (411) is in sliding connection with the connecting track (511).
  7. 7. The auxiliary welding machine for pipeline maintenance according to claim 6, wherein one end of the second connecting rod (36) far away from the driving mechanism (3) is clamped with a fixed connecting sleeve (515) on the vehicle body assembly (5), and one end of the first connecting rod (35) far away from the driving mechanism (3) is clamped with a second connecting sleeve (43).
  8. 8. The auxiliary welding machine for pipeline maintenance according to claim 5, wherein the vehicle body component (5) comprises a vehicle frame (51), a horizontal oblique block (52) and a vertical oblique block (53), the travelling wheels (516) are symmetrically and rotationally connected to the bottom of the vehicle frame (51), the fixed connecting sleeve (515) is fixedly arranged on the vehicle frame (51), a horizontal channel (512) is arranged on the upper portion of the vehicle frame (51), a longitudinal channel (513) is arranged in the middle of the vehicle frame (51), the horizontal oblique block (52) is horizontally and slidingly connected with the horizontal channel (512), the vertical oblique block (53) is vertically and slidingly connected with the longitudinal channel (513), the horizontal channel (512) is communicated with the longitudinal channel (513), and the inclined surface of the horizontal oblique block (52) can be attached to the inclined surface of the vertical oblique block (53).
  9. 9. The auxiliary welding machine for pipeline maintenance according to claim 8, wherein the bottom of the frame (51) is fixedly connected with a bottom plate (514), a reset spring (517) is fixedly connected to the top of the bottom plate (514), a vibration rod (531) is fixedly connected to the bottom of the vertical inclined block (53), the reset spring (517) is sleeved on the vibration rod (531), the top of the reset spring (517) is fixedly connected with the bottom of the vertical inclined block (53), the vibration rod (531) penetrates through the bottom plate (514), the vibration rod (531) is in sliding connection with the bottom plate (514), and a third connecting sleeve (521) is hinged to one end, close to the driving mechanism (3), of the horizontal inclined block (52).
  10. 10. The auxiliary welding machine for pipeline maintenance according to claim 9, wherein the middle of the second connecting rod (36) is clamped with a fixed connecting sleeve (515) on the frame (51), and one end of the first connecting rod (35) far away from the driving mechanism (3) is clamped with a third connecting sleeve (521).

Description

Auxiliary welding machine for pipeline maintenance Technical Field The invention belongs to the technical field of welding equipment, and particularly relates to an auxiliary welding machine for pipeline maintenance. Background The pipeline is widely applied in various industries, various gas or liquid materials are conveyed for modern industrial production, and the pipeline can be damaged by local cracks, corrosion and the like after being used for a long time, so that the pipeline needs to be quickly maintained, larger accidents caused by the damage are prevented, the local damaged parts are integrally cut off in the pipeline maintenance process, then the replacement pipelines with equal lengths are welded on the pipeline, and the maintenance effect is good. However, the above scheme requires multiple operations, especially the replacement pipeline needs to be accurately conveyed to the original position to be welded and maintained, the traditional equipment needs multiple operations to ensure that the replacement pipeline is accurately conveyed to the position, then additional operators are required to weld, the operation is complex, the welding efficiency is low, and the device which can be operated by a single person and can be compatible with multiple functions is required. ‌ A Disclosure of Invention The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide an auxiliary welding machine for pipeline maintenance, wherein a driving mechanism moves along a clamping mechanism in an annular way to drive a vehicle body component to move on a pipeline in an annular way, the welding assembly is driven to move along the welding position of the pipe fitting to be welded and the pipeline to finish welding, the two ends of the pipe fitting to be welded are welded synchronously, the operation is simple, the operation can be convenient by a single person, and the maintenance welding efficiency is effectively improved. The auxiliary welding machine for pipeline maintenance comprises two groups of clamping mechanisms, wherein the clamping mechanisms can clamp a pipe fitting to be welded, the tops of the two groups of clamping mechanisms are fixedly connected through a connecting plate, the two groups of clamping mechanisms are slidably connected to the supporting mechanism, the supporting mechanism can drive the clamping mechanisms to vertically lift and horizontally slide, the clamping mechanisms are slidably connected with a driving mechanism, and one side of the driving mechanism is provided with a vehicle body component; the driving mechanism can move along the annular movement of the clamping mechanism, the driving mechanism can drive the vehicle body component to move along the annular movement of the pipe fitting to be welded, and the welding component is inserted on the vehicle body component. Through the technical scheme, the clamping mechanisms are two groups, one group of clamping mechanisms can clamp the pipeline damage part, the other group of clamping mechanisms can clamp the pipe fitting to be welded, the driving mechanisms are symmetrically arranged on the clamping mechanisms for clamping the pipe fitting to be welded, then the two ends of the pipeline damage part are cut, the supporting mechanisms horizontally push the clamping mechanisms to push out the damaged pipe fitting, the pipe fitting to be welded accurately enters the pipeline to be welded position, then the driving mechanisms are connected with the vehicle body component, at the moment, the welding components are just aligned with the position to be welded, the driving mechanisms move annularly along the clamping mechanisms to drive the vehicle body component to move annularly on the pipeline, namely, the welding components are driven to move annularly along the pipe fitting to be welded and the pipeline welding part, welding can be completed along the pipe fitting to be welded and the pipeline welding part for a circle, and two ends of the pipe fitting to be welded are welded synchronously, the operation is simple, the operation is convenient, and the maintenance welding efficiency is effectively improved. Further, the supporting mechanism comprises a vertical hydraulic rod, a horizontal rail and a horizontal hydraulic rod, wherein the horizontal rail is fixedly connected to the top of the vertical hydraulic rod, the horizontal hydraulic rod is fixedly connected to the rear side of the horizontal rail, a sliding plate is fixedly connected to a connecting plate on the top of the clamping mechanism, the sliding plate is in sliding connection with the horizontal rail, one end of the horizontal hydraulic rod is fixedly connected with the sliding plate, and the horizontal hydraulic rod can drive the sliding plate to horizontally slide on the horizontal rail. Through above-mentioned technical scheme, because horizontal track fixed connection is at vertical hydraulic stem top, horizontal hydrauli