CN215919517U

CN215919517U - Intelligent pipeline welding robot

Info

Publication number: CN215919517U
Application number: CN202122140660.8U
Authority: CN
Inventors: 丁观世; 刘奇峰; 汪杰
Original assignee: Cnpc Cube Tianjin Technology Co ltd
Current assignee: Cnpc Cube Tianjin Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-03-01
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses an intelligent pipeline welding robot which is used for welding seams between adjacent pipelines and comprises a travelling mechanism, a welding mechanism, a guide mechanism, a clamping mechanism and a frame body, wherein the frame body is fixedly provided with the guide mechanism, the frame body is fixedly provided with the clamping mechanism for tightly holding the pipelines, the welding mechanism is provided with a dust collection mechanism for collecting scraps generated during welding, the clamping mechanism comprises a second telescopic cylinder fixedly connected with the frame body, the end part of the second telescopic cylinder is fixedly connected with a clamping block, and the clamping block is provided with an arc-shaped surface adaptive to the pipelines. The utility model has the advantages that the stability of the robot for stopping welding on the pipeline is ensured, the problem of different heights of welding seams is avoided, and the welding quality of the pipeline is ensured; be provided with dust absorption mechanism, wash the dust piece in the dust collecting tank and collect in unison when the welding, can not produce a large amount of raise dusts in the operational environment again.

Description

Intelligent pipeline welding robot

Technical Field

The utility model relates to the technical field of oilfield pipeline welding equipment, in particular to an intelligent pipeline welding robot.

Background

When in oil field operation, the pipeline is mainly conveyed through the pipeline, and when in use, the pipeline is lifted to a proper position through a crane, and because the field range involved in the oil field operation is wide, the seam of the pipeline is welded by a welding gun when in laying; because the welding object is a circular pipeline, the difficulty is high when welding is carried out. Among the prior art, the design has welding robot, make welding robot creep along the pipeline through running gear, at the removal in-process, welding gun on the welding robot welds seam department, but when the robot stops to weld on the pipeline, receive the influence of weather, be difficult to guarantee the stability of robot on the pipeline to influence welding quality, the smoke and dust that produces during the welding simultaneously is scattered in operational environment, all has adverse effect to environment and operation personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and designs an intelligent pipeline welding robot which is used for welding seams between adjacent pipelines and comprises a walking mechanism, a welding mechanism, a guide mechanism, a clamping mechanism and a frame body, wherein the frame body is fixedly provided with the guide mechanism, the frame body is fixedly provided with the clamping mechanism for tightly holding the pipelines, and the welding mechanism is provided with a dust collection mechanism for collecting scraps generated during welding.

Further, guiding mechanism including set up in the gyro wheel at support body both sides and top, the gyro wheel rotates with the fixing base to be connected, telescopic cylinder one end with fixing base fixed connection, the telescopic cylinder other end with support body fixed connection.

Further, the support body with be provided with the guide bar between the fixing base, guide bar one end with fixing base fixed connection, the guide bar other end is worn to locate the support body and fixedly connected with stopper.

Further, fixture include with support body fixed connection's the flexible cylinder of second, the flexible cylinder tip fixedly connected with grip block of second, the grip block has the arcwall face that suits with the pipeline.

Furthermore, the inner side surface of the clamping block is provided with a rubber gasket, and the gasket is a whole gasket or a plurality of small gaskets on the inner side surface of the clamping plate.

Furthermore, the welding mechanism comprises a rotating disc fixed on the frame body, a welding arm is fixed on the rotating disc, and a welding gun is fixed at the end of the welding arm.

Further, the dust collection mechanism comprises a dust cover wrapped around the welding gun, a dust collection pipe is communicated with the dust cover and communicated with a fan, and the fan is connected with a dust collection box.

Furthermore, a filter cylinder is arranged in the dust collection box, a film layer is arranged on the outer surface of the filter cylinder, and vent holes are formed in the film layer.

And an organ buffer cover is fixed at the end part of the dust cover.

Further, the intelligent pipeline welding robot manufactured by the technical scheme of the utility model has the following beneficial effects: the clamping block is driven to be attached to the pipeline tightly through the second telescopic cylinder, after work is finished, the telescopic rod of the second telescopic cylinder retracts, the pipeline is released from a clamping state, the welding robot is guaranteed to be stable when being stopped to weld on the pipeline, the robot can be tightly held on the pipeline through the additionally arranged clamping mechanism, the stability when the robot is stopped to weld on the pipeline is guaranteed, the problem that welding seams are different in height is avoided, and the welding quality of the pipeline is guaranteed; be provided with dust absorption mechanism, wash the dust piece in the dust collecting tank and collect in unison when the welding, can not produce a large amount of raise dusts in the operational environment again.

Drawings

FIG. 1 is a schematic view illustrating a state of use of an intelligent pipe welding robot according to the present invention;

FIG. 2 is a schematic structural view of the guide mechanism of the present invention;

FIG. 3 is a schematic view of the connection between the frame body and the guiding mechanism according to the present invention;

FIG. 4 is a schematic view of the clamping mechanism of the present invention;

FIG. 5 is a schematic view of the dust suction mechanism of the present invention;

FIG. 6 is a schematic view of the internal structure of the dust box of the present invention;

in the figure, 1, a guide mechanism; 11. a roller; 12. a fixed seat; 13. a telescopic cylinder; 14. a guide bar; 15. a limiting block; 2. a clamping mechanism; 21. a second telescopic cylinder; 22. a clamping block; 23. a rubber pad; 3. a frame body; 4. a welding mechanism; 41. rotating the disc; 42. welding the arm; 43. a welding gun; 5. a dust suction mechanism; 51. a dust cover; 52. a dust collecting pipe; 53. a fan; 54. a dust collection box; 55. a filter cartridge; 56. a thin film layer; 57. a vent hole; 58. organ buffer cover.

Detailed Description

For a better understanding of the present invention, the present invention will be further described below with reference to the following embodiments and the accompanying drawings, which are an intelligent pipe welding robot. As shown in fig. 1, the welding device for welding the joint between adjacent pipelines comprises a walking mechanism, a welding mechanism 4, a guide mechanism 1, a clamping mechanism and a frame body 3, wherein the guide mechanism 1 is fixed on the frame body 3, the clamping mechanism for tightly holding the pipelines is fixed on the frame body 3, and a dust collection mechanism 5 for collecting debris generated during welding is arranged on the welding mechanism 4. When the oil field operation, often need lay the pipeline, the laying area of this pipeline is very big, therefore, different pipeline seam crossing department need seal through the welding, when the welding, running gear drive support body 3 removes along the pipeline, at the in-process of walking, guiding mechanism 1 also removes and then keeps the stable motion of support body 3 along the pipeline, when welding, for keeping the relative position unchangeable between assurance pipeline and support body 3, make the lines flow of welding seam, hold the pipeline tightly through fixture, the smoke and dust that the welding appears etc. is collected by dust absorption mechanism 5, avoid producing harmful effects to operational environment.

As shown in fig. 2, the guiding mechanism 1 includes rollers 11 disposed on two sides and a top of the frame body 3, the rollers 11 are rotatably connected to the fixing base 12, one end of the first telescopic cylinder 13 is fixedly connected to the fixing base 12, and the other end of the first telescopic cylinder 13 is fixedly connected to the frame body 3. When carrying out welding operation, erect support body 3 in the pipeline top, support body 3 constantly moves along straight pipeline under running gear's drive, when removing, sets up in the gyro wheel 11 and the pipeline contact at 3 both sides of support body and top to remove on the pipeline surface, provide the guide effect for the removal of welding mechanism 4 positions in the welding process. Because the diameters of the pipelines laid in the oil field are different, the first telescopic cylinder 13 is fixed at the fixed seat 12, the extension length of the telescopic rod of the first telescopic cylinder 13 is adjusted, the relative position of the roller 11 and the pipeline is changed, and the roller 11 is always kept in a state of being contacted with the pipeline. The application range of the welding robot is improved, and the welding robot can be applied to pipelines with different pipe diameters during welding.

As shown in fig. 3, a guide rod 12 is disposed between the frame body 3 and the fixing seat 12, one end of the guide rod 12 is fixedly connected to the fixing seat 2, and the other end of the guide rod 12 penetrates through the frame body 3 and is fixedly connected to a limiting block 15. When first telescopic cylinder 13 moves, the expansion end of guide bar 12 removes to 3 insides of support body, plays the guide effect to the motion of first telescopic cylinder 13 for the motion is more stable, and guide bar 12 end fixing has restriction guide bar 12 and follows stopper 15 that deviates from on support body 3.

As shown in fig. 4, the clamping mechanism includes a second telescopic cylinder 13 fixedly connected to the frame body 3, a clamping block 22 is fixedly connected to an end of the second telescopic cylinder 13, and the clamping block 22 has an arc-shaped surface adapted to the pipeline. Welding robot removes behind the operating position along the pipeline, for avoid it under the inertia effect or pipeline laying not flat enough and the welding robot whole has gliding trend, at during operation fixture start work, carry out the centre gripping to the pipeline lateral wall and hold tightly, in operation, the flexible cylinder 13 of second drives grip block 22 and pastes tightly to the pipeline, after work, the flexible cylinder 13 telescopic link withdrawal of second, the centre gripping state is relieved to the pipeline, guarantee that welding robot stops to carry out the welded firm on the pipeline, the fixture of addding can hold the robot tightly on the pipeline, guaranteed that the robot stops to carry out the welded stability on the pipeline, the problem of difference in height can not appear in the welding seam, the welding quality of pipeline has been guaranteed.

As shown in fig. 4, a rubber pad 23 is provided on the inner surface of the holding block 22. The rubber pad 23 can be a whole pad or a plurality of small-sized pads uniformly distributed on the inner side surface of the clamping plate, the rubber pad 23 arranged on the inner side surface of the clamping block 22 increases the friction force between the clamping block 2 and the pipeline,

as shown in fig. 5, the welding mechanism 4 includes a rotating disc 41 fixed to the frame body 3, a welding arm 42 fixed to the rotating disc 41, and a welding torch 43 fixed to an end of the welding arm 42. The rolling disc 41 is fixedly connected with the driving device, the driving device drives the rolling disc 41 to rotate, the welding arm 42 can move in the circumferential direction, the welding arm 42 is a mechanical arm and comprises a large arm, a small arm and a rolling arm, the large arm and the small arm enable the welding arm 42 to extend to a position to be welded on a pipeline, and the rolling arm is matched to rotate in the circumferential direction so as to weld the pipeline in the circumferential direction.

As shown in fig. 5, the dust suction mechanism 5 includes a dust cover 51 covering the welding gun 43, a dust collection pipe 52 is communicated with the dust cover 51, the dust collection pipe 52 is communicated with a fan 53, and a dust collection box 54 is connected to the fan 53. In the welding process, can produce a large amount of smoke and dust, these smoke and dust can pollute operational environment, influence atmospheric environment simultaneously, when the welding, because welder 43 sets up inside dust cover 51, the space in dust cover 51 is filled up to the smoke and dust, and fan 53 starts, and the smoke and dust gets into the inside storage of dust collection box 54 along dust collecting tube 52.

As shown in fig. 5, an organ buffer cover 58 is fixed to an end of the dust cover 51. Organ buffer shield 58 presses on the welded pipeline at the during operation, when carrying out welding operation, because organ buffer shield 58 has the deformation of certain degree, along with the change of welding arm 42 angle, the relative position between dust cover 51 and the pipeline also changes, organ buffer shield 58 can realize having relatively inclosed space between dust cover 51 and the pipeline all the time, the dust absorption effect is better, simultaneously, organ buffer shield 58 contacts with the pipeline, avoid hard welder 43 to collide with the pipeline, play the cushioning effect.

As shown in fig. 6, a filter cartridge 55 is provided in the dust box 54, a membrane layer 56 is provided on an outer surface of the filter cartridge 55, and a vent hole 57 is provided in the membrane layer 56. The smoke dust entering the dust collection box 54 is filtered by the filter cartridge 55, wherein the film layer 56 is a polytetrafluoroethylene film layer 56, the film layer 56 is positioned on the peripheral outer surface of the filter cartridge 55, the vent holes 57 are positioned at the upper end of the film layer 56, the peripheral outer surface of the filter cartridge 55 is fixedly connected with the outer surface of one side of the polytetrafluoroethylene film layer 56 through adhesive glue, and the vent holes 57 are formed at the upper end of the film layer 56. The surface film layer 56 has uniform vent holes 57, has long service life, can absorb dust particles of 0.2 mu m and reduce the harm of fine dust particles to workers and working environment.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. The utility model provides an intelligence pipeline welding robot for the welding of seam crossing between the adjacent pipeline, including running gear and welding mechanism (4), its characterized in that, including guiding mechanism (1), fixture (2), support body (3), be fixed with guiding mechanism (1) on support body (3), be fixed with fixture (2) that are used for holding the pipeline tightly on support body (3), be provided with on welding mechanism (4) and be used for collecting produced clastic dust absorption mechanism (5) when welding.

2. An intelligent pipeline welding robot as claimed in claim 1, wherein the guiding mechanism (1) comprises rollers (11) arranged on both sides and the top of the frame body (3), the rollers (11) are rotatably connected with a fixed seat (12), one end of a first telescopic cylinder (13) is fixedly connected with the fixed seat (12), and the other end of the first telescopic cylinder (13) is fixedly connected with the frame body (3).

3. The intelligent pipeline welding robot as claimed in claim 2, wherein a guide rod (14) is arranged between the frame body (3) and the fixing seat (12), one end of the guide rod (14) is fixedly connected with the fixing seat (12), and the other end of the guide rod (14) penetrates through the frame body (3) and is fixedly connected with a limiting block (15).

4. An intelligent pipe welding robot as claimed in claim 1, wherein the clamping mechanism comprises a second telescopic cylinder (21) fixedly connected with the frame body (3), a clamping block (22) is fixedly connected to the end of the second telescopic cylinder (21), and the clamping block (22) has an arc-shaped surface adapted to the pipe.

5. The intelligent pipe welding robot as claimed in claim 4, wherein the clamping blocks (22) are provided with rubber pads (23) on the inner side.

6. The intelligent pipeline welding robot as claimed in claim 1, wherein the welding mechanism (4) comprises a rotating disc (41) fixed on the frame body (3), a welding arm (42) is fixed on the rotating disc (41), and a welding gun (43) is fixed at the end of the welding arm (42).

7. The intelligent pipeline welding robot according to claim 6, wherein the dust suction mechanism (5) comprises a dust cover (51) covering the welding gun (43), a dust collection pipe (52) is communicated with the dust cover (51), the dust collection pipe (52) is communicated with a fan (53), and a dust collection box (54) is connected to the fan (53).

8. The intelligent pipe welding robot as claimed in claim 7, wherein a filter cartridge (55) is disposed inside the dust box (54), a membrane layer (56) is disposed on an outer surface of the filter cartridge (55), and a vent hole (57) is disposed on the membrane layer (56).

9. The intelligent pipeline welding robot as claimed in claim 7, wherein an organ buffer cover (58) is fixed at the end of the dust cover (51).