CN111347215A - Automatic welding device and welding method for large pipeline on site - Google Patents
Automatic welding device and welding method for large pipeline on site Download PDFInfo
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- CN111347215A CN111347215A CN202010323883.5A CN202010323883A CN111347215A CN 111347215 A CN111347215 A CN 111347215A CN 202010323883 A CN202010323883 A CN 202010323883A CN 111347215 A CN111347215 A CN 111347215A
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- support frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to soldering or welding
- B23K31/027—Making tubes by soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/003—Cooling means for welding or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses an automatic welding device and a welding method for a large pipeline on site, which comprises a welding support frame, wherein two horizontal support plates are respectively arranged on one side of the welding support frame, leveling electric push rods are respectively arranged at two ends of the top surfaces of the two horizontal support plates, four leveling electric push rods are respectively arranged at four corners of the bottom surface of the leveling support frame, material support rods are respectively embedded and arranged at two ends of the top surface of the leveling support frame, support rollers are arranged at the bottom ends of the material support rods, the bottom surfaces of the support rollers are in contact with the top surface of the leveling support frame, a screw rod installation groove is formed in the middle of the top surface of the material support rod, a rotating motor is arranged in the middle of one end of the material support rod, a friction wheel is movably arranged at the top, the central lines of the two pipelines are conveniently on the same straight line, so that the pipelines can be adjusted and supported, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of pipeline welding, in particular to an automatic welding device and a welding method for a large pipeline on site.
Background
In recent 20 years, with the development of digitalization, automation, computers and mechanical design technologies and the high importance of welding quality, automatic welding has developed into an advanced manufacturing technology, automatic welding equipment plays an increasingly large role in application of various industries, the application range is rapidly expanding, and in modern industrial production, mechanization and automation of welding production processes are necessary trends of modern development of welding mechanism manufacturing industries.
When carrying out automatic weld to the pipeline in the open air, when the pipeline of fixed different diameters, need the staff according to the manual distance of adjusting between the supporting wheel of diameter of pipeline to support the pipeline, nevertheless adjust the pipeline through manual, cause staff's damage easily, reduced factor of safety, work efficiency reduces simultaneously, and operating time is longer, the staff's that improves intensity of labour.
Disclosure of Invention
The invention provides an automatic welding device and a welding method for a large pipeline on site, which can effectively solve the problems that when pipelines with different diameters are fixed during outdoor automatic welding of the pipelines, workers need to manually adjust the distance between supporting wheels according to the diameters of the pipelines so as to support the pipelines, but the pipelines are manually adjusted, so that the workers are easily damaged, the safety factor is reduced, the working efficiency is reduced, the working time is longer, and the labor intensity of the workers is improved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an on-spot automatic welder that uses of large-scale pipeline, includes welding support frame, there is the positioner welding support frame top surface one end through the mounting screw, welding support frame has placed the removal support frame one side, remove support frame one end and install the automatic weld machine main part, welding support frame one end has placed and has supported adjusting part, it all installs material loading fastening components at the adjusting part both ends to support, it installs the subassembly of preheating of polishing to remove support frame top surface embedding, it installs the desquamation gas removal subassembly to support adjusting part one end embedding, it installs heat preservation cooling assembly to polish preheating assembly one side.
Preferably, the bottom surfaces of the welding support frame, the movable support frame and the supporting and adjusting assembly are all located on the same horizontal plane, and the length and the width of one end of the supporting and adjusting assembly are respectively equal to those of one end of the welding support frame.
Preferably, the support adjusting assembly comprises a horizontal support plate, a parallel electric push rod, a parallel support frame, a support roller, a material support rod, a lead screw installation groove, a rotating motor, a driving gear, a driven gear, a driving lead screw, a sliding frame, a friction wheel, a driving motor, a fixed support frame, a movable support plate, a corresponding electric push rod, an inclined roller frame and an inclined roller;
two horizontal support plates are respectively placed at one side of the welding support frame, leveling electric push rods are respectively installed at two ends of the top surface of the two horizontal support plates, four leveling electric push rods are respectively installed at four corners of the bottom surface of the leveling support frame, material support rods are embedded and installed at two ends of the top surface of the leveling support frame, support rollers are installed at the bottom ends of the material support rods, the bottom surfaces of the support rollers are contacted with the top surface of the leveling support frame, a screw rod installation groove is formed in the middle of the top surface of the material support rods, a rotating motor is installed in the middle of one end of each material support rod, a driving gear is fixedly sleeved outside an output shaft of the rotating motor, one end of the driving gear is positioned in the screw rod installation groove and engaged with, carriage top movable mounting has the friction pulley, one drive motor is installed to friction pulley one end on the material bracing piece, welding support frame top surface is kept away from positioner one end department and is installed fixed stay frame through the screw, the embedding of fixed stay frame outside one end is installed and is removed the backup pad, it runs through in the middle part of the backup pad top surface and installs corresponding electric putter to remove, it has the slope gyro wheel frame to correspond the electric putter top surface through the screw mounting, the slope gyro wheel is installed through the pivot to slope gyro wheel frame inside, parallel and level electric putter, drive motor, rotating electrical machines and the input that corresponds electric putter all are connected with external power source output electric property.
Preferably, the feeding fastening assembly comprises a pushing electric push rod, a pushing plate, a rotating motor, a rotating shaft, a limiting block, a limiting hole, a limiting plate, a fastening motor, a fastening groove, a fastening plate, a fastening rubber plate, a hinge groove, a rotating block, an L-shaped plate, a fastening screw rod and a feeding rod;
two pushing electric push rods are respectively arranged at one end of the horizontal supporting plates, a pushing plate is arranged at one end of each pushing electric push rod, a rotating motor is arranged at one end of each pushing plate, an output shaft of the rotating motor is connected with a rotating shaft, a limiting block is welded at the middle part of the top surface of each horizontal supporting plate, a limiting hole is formed in the middle part of one end of each limiting block, which corresponds to the rotating shaft, a limiting plate is arranged at one end of the rotating shaft, which is far away from the rotating motor, through a screw, a feeding rod is hinged at the middle part of the top end of each pushing plate, a hinging groove is formed in the feeding rod, which is close to the rotating motor at one end of the welding supporting frame, a rotating block is hinged inside each hinging groove through the rotating shaft, an L-shaped plate is arranged at one end, the fastening motor output shaft is in fastening inslot internal connection and is connected with the fastening lead screw, fastening plate is all installed through the screw thread in fastening lead screw outside top and bottom, fastening plate one end all bonds and has the fastening rubber board, the input that promotes electric putter, rotation motor and fastening motor all is connected with external power supply output electric property.
Preferably, the fastening screw rod is opposite to the threads at the two ends of the driving screw rod in direction, the bottom end of the fastening screw rod is movably mounted at the bottom end of the fastening groove, and the two ends of the driving screw rod are movably mounted at the two ends of the screw rod mounting groove.
Preferably, the polishing preheating assembly comprises a moving hole, a fixed groove, a moving frame, a fixed plate, a fixed nut, a contact electric push rod, a mounting block, a preheating mounting groove, a heat conducting plate, a heating wire, a buffer spring, a steel wire plate, a heat conducting hole and a blocking filter screen;
the welding support frame is characterized in that a moving hole is formed in the top end of the welding support frame, a fixing groove is formed in one end, close to the moving hole, of the top surface of the welding support frame, a moving frame is embedded and installed in the moving hole, a fixing plate is installed on one side of the top end of the moving frame through screws, one end of the fixing plate is located in the fixing groove, a fixing nut is installed on one side of the top end of the fixing plate in the fixing groove, contact electric push rods are installed at two ends of one side of the moving frame, an installation block is installed at the top end of each contact electric push rod through screws, a preheating installation groove is formed in the middle of the top surface of the installation block, a heat conduction plate is installed in the middle of the preheating installation, the heat conduction hole has evenly been seted up to the steel wire plate top surface, the welding of the inside top in heat conduction hole has and blocks the filter screen, the input of contact electric putter and heater strip all is connected with external power supply output electrical property.
Preferably, the shapes of the cross sections of the heat conducting plate and the steel wire plate are the same as the shape of the cross section of the preheating installation groove, the longitudinal sections of the moving hole and the moving frame are both U-shaped, and the outer diameter of the moving frame is equal to the inner diameter of the moving hole.
Preferably, the scrap removing and degassing component comprises a sliding groove, a T-shaped rod, a vent pipe, an ash discharging pipe, a connecting pipe, an air inlet pipe, a pipeline groove, an extension pipe, a locking nut, an exhaust fan, a cleaning box, a box cover, an activated carbon plate, an inlet cylinder, a dust collecting box and a filter plate;
the cleaning box is characterized in that sliding grooves are formed in two sides of one end of the leveling support frame, T-shaped rods are embedded and installed in the sliding grooves, ventilating pipes are installed between the two T-shaped rods in a penetrating mode, ash discharge pipes are bonded to two sides of the top ends of the ventilating pipes, air inlet pipes are bonded to one ends of the ventilating pipes, pipe grooves are formed in the ash discharge pipes and the top surfaces of the air inlet pipes, connecting pipes are embedded and installed in the pipe grooves of the ash discharge pipes, extension pipes are embedded and installed in the pipe grooves of the air inlet pipes, the ash discharge pipes and the ends, located in the pipe grooves, of the air inlet pipes are connected with locking nuts through screws, exhaust fans are installed at one ends of the insides of the ventilating pipes, one ends of the ventilating pipes are penetratingly bonded to the top surface of the cleaning box, a box cover is installed at one end, the breather pipe bottom is close to filter plate one end through welding and has got into a section of thick bamboo, it has through welding in dust collection box top surface to get into a section of thick bamboo, the input of exhaust fan all is connected with external power supply output electric property.
Preferably, the bottom surface of the dust collection box is mounted on the top surface of the pushing plate through screws, a connecting block is welded at one end of the cleaning box, one end of the connecting block is mounted at one end of the pushing plate through screws, and air outlet holes are uniformly formed in two sides of the bottom end of the cleaning box.
Preferably, the heat-preservation cooling assembly comprises a fixed block, a movable groove, a movable rod, a limit screw, a fixed rod, a limit groove, a compression spring, a compression rod, an arc groove, a rock wool board, a water pipe, a water inlet pipe and a water outlet pipe;
the utility model discloses a rock wool composite pipe, including locomotive frame, movable rod, limiting spring, compression spring, rock wool composite pipe, rock wool.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. the support adjusting assembly is arranged, the parallel electric push rod, the inclined roller frame, the welding positioner and the corresponding electric push rod are matched for use, the central lines of two pipelines are conveniently arranged on the same straight line, the pipelines can be adjusted and supported at the same time, the working efficiency of workers is improved, the pipelines with different diameters can be limited and fixed by matching the rotating motor, the driving screw rod, the sliding frame and the friction wheel, the distance between the supporting wheels does not need to be manually adjusted by the workers according to the diameters of the pipelines, the safety coefficient is improved, the problems in the background technology are solved, the working time of the workers is shortened, the working efficiency is improved, and the labor intensity of the workers is reduced;
2. be provided with material loading fastening assembly, use through the cooperation of mounting plate, rotation motor, fastening lead screw and fastening motor, make things convenient for staff to carry the pipeline, need not staff's manual pipeline of moving, improve staff's factor of safety, simultaneously through electric putter and slurcam for card between two pipelines with more firm, the welded effect of improvement avoids the manual work to beat the pipeline, causes the pipeline to damage, can reduce staff's intensity of labour simultaneously.
3. Be provided with and polish and preheat the subassembly, through the fixed plate, fixation nut, the cooperation of contact electric putter and steel wire plate is used, can polish two pipeline contact position both sides, get rid of pipeline surface's iron rust and spot, avoid producing the bubble after the welding, improve welded quality, at the in-process of polishing, use through the cooperation of heater strip and heat-conducting plate simultaneously, thereby preheat steel pipe welding position, slow down welded joint's cooling rate, make and weld the back and slowly cool off, avoid producing the hardening tissue and reduce welding stress and deformation, prevent to produce welding crack's production.
4. Be provided with and remove bits gas removal component, through the connecting pipe, the dust collection box, the cooperation of exhaust fan and breather pipe is used, dust and iron fillings that produce in conveniently polishing get into the dust collection box, avoid dust and iron fillings to spatter in disorder, cause the influence to the surrounding environment, influence staff's health, at the welding machine in-process, through the extension pipe, the activated carbon plate, the cooperation of cleaning box is used, adsorb the back through the activated carbon plate to harmful substance in the gas and peculiar smell, from clearing up bottom end effluvium, avoid harmful gas to influence staff's health and cause the peculiar smell, influence the environment.
5. Be provided with heat preservation cooling assembly, through the movable rod, the rock wool board, compression spring and compression rod's cooperation is used, keep warm to the welding position, avoid welding back cooling rate too fast, cause the welding position to warp, keep warm to the welding position, can improve welded quality, prevent welding crack, can keep warm to the pipeline of different diameters simultaneously, can enlarge the application range of device, simultaneously after keeping warm, through the inlet tube, the water pipe, can cool down for the welding position fast, improve the efficiency of cooling, reduce the time of cooling, thereby can raise the efficiency.
Through the matching use of the supporting and adjusting component, the feeding fastening component, the heat-insulating and cooling component, the scrap removing and degassing component and the heat-insulating and cooling component, the height between the two pipelines can be conveniently adjusted by workers, the two pipelines can be conveniently aligned, different pipelines are supported and fixed, manual adjustment is avoided, meanwhile, the two pipelines can be fixed more firmly, gaps between the pipelines are reduced, the installation coefficient and the working efficiency of workers are improved, the welding quality can be improved, the outer side of the pipeline is polished between welding, so that the phenomenon that bubbles are generated inside a welding seam after welding to cause long-time use and easy generation of cracks is avoided, meanwhile, the welded part can be insulated in the welding process, so that cracks are prevented from appearing again, the rust, dust and harmful gas are recycled, and the influence on workers and the surrounding environment is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an extension pipe installation structure of the present invention;
FIG. 3 is a schematic view of the driven gear mounting arrangement of the present invention;
FIG. 4 is a schematic view of the rotating block mounting structure of the present invention;
FIG. 5 is a schematic view of the fastening plate mounting structure of the present invention;
FIG. 6 is a schematic view of the mounting structure of the fixing plate of the present invention;
FIG. 7 is a schematic view of the contact power putter mounting structure of the present invention;
FIG. 8 is a schematic view of the T-bar mounting arrangement of the present invention;
FIG. 9 is a schematic view of the cover mounting structure of the present invention;
FIG. 10 is a schematic view of a cage nut mounting structure of the present invention;
FIG. 11 is a schematic view of the compression spring mounting arrangement of the present invention;
reference numbers in the figures: 1. welding a support frame; 2. welding a positioner; 3. moving the support frame; 4. a main body of an automatic welding machine;
5. a support adjustment assembly; 501. a horizontal support plate; 502. a flush electric push rod; 503. a support frame is parallel and level; 504. supporting the rollers; 505. a material support rod; 506. a screw rod mounting groove; 507. a rotating electric machine; 508. a driving gear; 509. a driven gear; 510. driving the screw rod; 511. a carriage; 512. a friction wheel; 513. driving a motor; 514. fixing a support frame; 515. moving the support plate; 516. corresponding to the electric push rod; 517. inclining the roller frame; 518. inclining the roller;
6. a feeding fastening component; 601. pushing the electric push rod; 602. a push plate; 603. rotating the motor; 604. a rotating shaft; 605. a limiting block; 606. a limiting hole; 607. a limiting plate; 608. fastening a motor; 609. a fastening groove; 610. a fastening plate; 611. fastening a rubber plate; 612. a hinge slot; 613. rotating the block; 614. an L-shaped plate; 615. fastening a screw rod; 616. a feeding rod;
7. polishing the preheating assembly; 701. moving the hole; 702. fixing grooves; 703. a movable frame; 704. a fixing plate; 705. fixing a nut; 706. contacting the electric push rod; 707. mounting blocks; 708. preheating the mounting groove; 709. a heat conducting plate; 710. heating wires; 711. a buffer spring; 712. a steel wire plate; 713. a heat conduction hole; 714. blocking the filter screen;
8. a chip removing and degassing component; 801. a sliding groove; 802. a T-shaped rod; 803. a breather pipe; 804. an ash discharging pipe; 805. a connecting pipe; 806. an air inlet pipe; 807. a pipe chase; 808. an extension tube; 809. locking the nut; 810. an exhaust fan; 811. cleaning the box; 812. a box cover; 813. an activated carbon plate; 814. entering a barrel; 815. a dust collection box; 816. filtering the plate;
9. a heat preservation cooling component; 901. a fixed block; 902. a movable groove; 903. a movable rod; 904. a limit screw; 905. fixing the rod; 906. a limiting groove; 907. a compression spring; 908. a compression rod; 909. an arc rod; 910. an arc groove; 911. rock wool boards; 912. a water pipe; 913. a water inlet pipe; 914. and (5) discharging a water pipe.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in figures 1-11, the invention provides a technical scheme, an automatic welding device for a large pipeline on site comprises a welding support frame 1, a welding positioner 2 is installed at one end of the top surface of the welding support frame 1 through a screw, a movable support frame 3 is placed at one side of the welding support frame 1, an automatic welding machine main body 4 is installed at one end of the movable support frame 3, a supporting and adjusting assembly 5 is placed at one end of the welding support frame 1, the bottom surfaces of the welding support frame 1, the movable support frame 3 and the supporting and adjusting assembly 5 are all in the same horizontal plane, the length and the width of one end of the supporting and adjusting assembly 5 are respectively equal to those of one end of the welding support frame 1, different pipelines are convenient to align, the pipelines are convenient to weld, the efficiency of pipeline welding is improved, a feeding fastening assembly 6 is installed at both ends of the supporting, supporting 5 one end embedding of adjusting part and installing and removing bits degasification subassembly 8, the subassembly 7 one side of preheating of polishing is installed heat preservation cooling module 9.
The supporting and adjusting assembly 5 comprises a horizontal supporting plate 501, a leveling electric push rod 502, a leveling supporting frame 503, a supporting roller 504, a material supporting rod 505, a screw rod mounting groove 506, a rotating motor 507, a driving gear 508, a driven gear 509, a driving screw rod 510, a sliding frame 511, a friction wheel 512, a driving motor 513, a fixed supporting frame 514, a movable supporting plate 515, a corresponding electric push rod 516, an inclined roller frame 517 and an inclined roller 518;
two horizontal support plates 501 are respectively placed on one side of a welding support frame 1, two ends of the top surfaces of the two horizontal support plates 501 are respectively provided with a leveling electric push rod 502, four leveling electric push rods 502 are respectively installed at four corners of the bottom surface of a leveling support frame 503, two ends of the top surface of the leveling support frame 503 are respectively embedded and installed with a material support rod 505, the bottom end of the material support rod 505 is provided with a support roller 504, the bottom surface of the support roller 504 is contacted with the top surface of the leveling support frame 503, the middle part of the top surface of the material support rod 505 is provided with a screw rod installation groove 506, the middle part of one end of the material support rod 505 is provided with a rotating motor 507, the outer side of an output shaft of the rotating motor 507 is fixedly sleeved with a driving gear 508, one end, carriage 511 top movable mounting has friction pulley 512, driving motor 513 is installed to friction pulley 512 one end on the material bracing piece 505, welding support frame 1 top surface is kept away from 2 one end departments of positioner through the screw installation fixed stay frame 514, fixed stay frame 514 outside one end embedding is installed and is removed backup pad 515, it has corresponding electric putter 516 to remove backup pad 515 top surface middle part through-install, it has slope gyro wheel frame 517 to correspond electric putter 516 top surface through the screw installation, slope gyro wheel 518 is installed through the pivot to slope gyro wheel frame 517 inside, parallel and level electric putter 502, driving motor 513, rotating electrical machines 507 and the input that corresponds electric putter 516 all are connected with external power source output end electric property.
The feeding fastening assembly 6 comprises a pushing electric push rod 601, a pushing plate 602, a rotating motor 603, a rotating shaft 604, a limiting block 605, a limiting hole 606, a limiting plate 607, a fastening motor 608, a fastening groove 609, a fastening plate 610, a fastening rubber plate 611, a hinge groove 612, a rotating block 613, an L-shaped plate 614, a fastening screw rod 615 and a feeding rod 616;
a pushing electric push rod 601 is arranged at one end of each of the two horizontal support plates 501, a pushing plate 602 is arranged at one end of each pushing electric push rod 601, a rotating motor 603 is arranged at one end of each pushing plate 602, an output shaft of the rotating motor 603 is connected with a rotating shaft 604, a limiting block 605 is welded at the middle part of the top surface of each horizontal support plate 501, a limiting hole 606 is arranged at the middle part of one end of each limiting block 605 corresponding to the rotating shaft 604, a limiting plate 607 is arranged at one end of each rotating shaft 604 far away from the rotating motor 603 through a screw, a feeding rod 616 is hinged at the middle part of the top end of each pushing plate 602, a hinge groove 612 is arranged at the feeding rod 616 close to the rotating motor 603 at one end of the welding support frame 1, a rotating block 613 is hinged inside each hinge groove 612 through a rotating shaft, an L-shaped plate 614 is arranged at one end of the feeding, fastening motor 608 output shaft is in fastening groove 609 internal connection and has fastening lead screw 615, fastening lead screw 615 and the screw thread opposite direction that drives lead screw 510 both ends, fastening lead screw 615 bottom movable mounting is in fastening groove 609 bottom, it all movable mounting is in lead screw mounting groove 506 both ends to drive the equal movable mounting in lead screw mounting groove 506 both ends of lead screw 510, thereby it removes to drive two mounting plates 610 and two carriages 511 simultaneously through fastening lead screw 615 and the two-way screw lead screw that drives lead screw 510, conveniently make two mounting plates 610 and two carriages 511 tide same position motion, fastening lead screw 615 outside top all installs mounting plate 610 through the screw thread with the bottom, mounting plate 610 one end all bonds there is fastening rubber plate 611, promote electric putter 601, the input that rotates motor 603 and fastening motor 608 all is connected with external power supply output electric property.
The grinding preheating assembly 7 comprises a moving hole 701, a fixing groove 702, a moving frame 703, a fixing plate 704, a fixing nut 705, a contact electric push rod 706, a mounting block 707, a preheating mounting groove 708, a heat conducting plate 709, a heating wire 710, a buffer spring 711, a steel wire plate 712, a heat conducting hole 713 and a blocking filter screen 714;
a moving hole 701 is arranged inside the top end of a welding support frame 1, a fixing groove 702 is arranged at one end of the top surface of the welding support frame 1 close to the moving hole 701, a moving frame 703 is embedded inside the moving hole 701, a fixing plate 704 is arranged at one side of the top end of the moving frame 703 through a screw, one end of the fixing plate 704 is arranged inside the fixing groove 702, a fixing nut 705 is arranged inside the fixing groove 702 at one side of the top end of the fixing plate 704, a contact electric push rod 706 is arranged at both ends of one side of the moving frame 703, a mounting block 707 is arranged at the top end of the contact electric push rod 706 through a screw, a preheating mounting groove 708 is arranged in the middle of the top surface of the mounting block 707, a heat conducting plate 709 is arranged at the middle part of the preheating mounting groove 708 through a screw, a heating wire 710 is arranged at the bottom, the external diameter that removes frame 703 equals with the internal diameter that removes hole 701, conveniently put into heat-conducting plate 709 and steel wire plate 712 and preheat mounting groove 708, prevent simultaneously that removal frame 703 from rocking in removing hole 701, the even welding in heat-conducting plate 709 top has a plurality of buffer spring 711, a plurality of buffer spring 711 top surfaces all weld in steel wire plate 712 bottom surface, heat conduction hole 713 has evenly been seted up to steel wire plate 712 top surface, the welding of the inside top of heat conduction hole 713 blocks filter screen 714, the input of contact electric putter 706 and heater strip 710 all is connected with external power supply output electric property.
The scrap removing and degassing assembly 8 comprises a sliding groove 801, a T-shaped rod 802, a vent pipe 803, an ash discharging pipe 804, a connecting pipe 805, an air inlet pipe 806, a pipeline groove 807, an extension pipe 808, a locking nut 809, an exhaust fan 810, a cleaning box 811, a box cover 812, an activated carbon plate 813, an inlet cylinder 814, a dust collecting box 815 and a filter plate 816;
sliding grooves 801 are formed in two sides of one end of a leveling support frame 503, T-shaped rods 802 are embedded and installed in the sliding grooves 801, a vent pipe 803 penetrates and is installed between the two T-shaped rods 802, ash discharge pipes 804 are bonded on two sides of the top end of the vent pipe 803, an air inlet pipe 806 is bonded at one end of the vent pipe 803, pipe grooves 807 are formed in the top surfaces of the ash discharge pipes 804 and the air inlet pipe 806, a connecting pipe 805 is embedded and installed in the pipe groove 807 on the ash discharge pipe 804, an extension pipe 808 is embedded and installed in the pipe groove 807 on the air inlet pipe 806, locking nuts 809 are connected with the ends, located in the pipe grooves 807, of the ash discharge pipes 804 and the air inlet pipe 806 through screws, an exhaust fan 810 is installed at one end of the vent pipe 803, a box cover 812 is installed at one end of the cleaning box 811 through a screw, an activated carbon plate 813 is installed at one end, close, the bottom of breather pipe 803 is close to filter plate 816 one end through welding and is got into a section of thick bamboo 814, it has the top surface of dust collection box 815 to get into a section of thick bamboo 814 through welding, dust collection box 815 underrun through the mounting of screw in push plate 602 top surface, cleaning box 811 one end welding has the connecting block, and mounting of screw in push plate 602 one end is passed through to connecting block one end, the venthole has evenly been seted up to cleaning box 811 bottom both sides, can drive dust collection box 815 and cleaning box 811 to remove simultaneously when driving push plate 602 to remove through promoting electric putter 601, make better remove dust and clear up waste gas to the steel pipe, the input of exhaust fan 810 all is connected with external power source.
The heat-preservation cooling assembly 9 comprises a fixed block 901, a movable groove 902, a movable rod 903, a limit screw 904, a fixed rod 905, a limit groove 906, a compression spring 907, a compression rod 908, an arc rod 909, an arc groove 910, a rock wool board 911, a cooling water pipe 912, a water inlet pipe 913 and a water outlet pipe 914;
the movable rack 703 one end is installed fixed block 901 through the screw rod, movable slot 902 has been seted up to fixed block 901 top surface one end, movable rod 903 has been installed to the inside embedding of movable slot 902, fixed block 901 runs through movable slot 902 one end and installs limit screw 904 through the screw thread, movable rod 903 top running through welds has the dead lever 905, spacing groove 906 has been seted up at dead lever 905 one end middle part, spacing groove 906 internal weld has compression spring 907, compression spring 907 one end is in spacing groove 906 internal weld has compression bar 908, compression bar 908 one end has installed circular arc pole 909 through the screw, circular arc pole 909 one end has been seted up circular arc groove 910, circular arc groove 910 one end bonds has rock wool board 911, the inside rock wool board 911 one end that is close to of circular arc groove 910 is installed condenser tube 912 through the buckle, condenser tube 912 top runs through circular arc groove 910 one end and bonds has inlet tube 913.
A welding method for performing welding work using the above welding apparatus is also within the scope of the present patent.
The working principle and the using process of the invention are as follows: the method comprises the following steps that a worker places two pipelines to be welded on a welding support frame 1 and a horizontal support plate 501, then opens a parallel and level electric push rod 502 and a corresponding electric push rod 516, drives an inclined roller carrier 517 to move, so that the circle center of the pipeline at the top end of the welding support frame 1 and the center of a welding positioner 2 are located on the same horizontal plane, at the moment, one end of the pipeline is clamped on the welding positioner 2, one pipeline is fixed, and meanwhile, the parallel and level support frame 503 is driven to move through the parallel and level electric push rod 502, so that the pipeline support at the top end of the parallel and level support frame 503 is driven, the central lines of the two pipelines are located on the same straight line, the pipelines are conveniently adjusted and supported, so that the two pipelines are conveniently clamped with each other;
when different pipelines are supported and fixed, the rotating motor 507 is started, the driving gear 508 is driven to rotate through rotation of an output shaft of the rotating motor 507, so that the driven gear 509 is driven to rotate, the lead screw 510 is driven to rotate through rotation of the driven gear 509, and the two sliding frames 511 move in the lead screw mounting groove 506 through rotation of the lead screw 510, so that the distance between the two friction wheels 512 is adjusted, the pipelines with different diameters are limited and fixed, a worker does not need to manually adjust the distance between the supporting wheels according to the diameter of the pipelines, damage to the worker is avoided, the safety coefficient is improved, the problems in the background technology are solved, meanwhile, the two pipelines can be clamped with each other more conveniently, the working time of the worker is reduced, the working efficiency is improved, and the labor intensity of the worker is reduced;
in the working process, the driving motor 513 can be started to drive the two friction wheels 512 to rotate, the pipeline is driven to rotate through the friction force between the friction wheels 512 and the pipeline, the pipeline is better welded through the automatic welding machine main body 4, the welding efficiency is improved, and the cost is saved.
When loading is needed, the fastening motor 608 is started, the rotation of the output shaft of the fastening motor 608 drives the loading rod 616 to rotate, the fastening screw 615 rotates, the rotation of the fastening screw 615 drives the fastening plate 610 to move in the fastening groove 609, so that the fastening rubber plate 611 contacts with the inner side and the outer side of the steel pipe, the friction force between the fastening plate 610 and the pipeline is increased through the fastening rubber plate 611, the pipeline is conveniently driven to move, after the pipeline is fixed, the rotation motor 603 is started, the rotation of the output shaft of the rotation motor 603 drives the loading rod 616 to rotate, the rotation of the loading rod 616 drives the L-shaped plate 614 and the rotating block 613 to rotate, so that the loading rod 616 is in a horizontal to vertical state, the pipeline is positioned at the top end of the horizontal supporting plate 501, the pipeline is conveniently carried by workers, the workers do not need to manually carry the pipeline, the safety factor of the workers is improved, the pushing electric push rod 601, promote the catch plate 602 and remove, adjust two distances that rotate between the motor 603 to can carry the pipeline of different length, make things convenient for the staff to carry the pipeline of different length, improve the application range of device.
After the pipeline is transported, when a pipeline is fixed through the welding positioner 2, the rotating block 613 can be rotated, the rotating block 613 is rotated in the hinge groove 612, the rotating block 613 is rotated 180, one end of the fastening plate 610 corresponds to the front face of the welding positioner 2 at the moment, one end of the pipeline is fixed through the two fastening plates 610, the pushing electric push rod 601 is opened, the fastening plate 610 is pushed to move, so that a worker can fix the pipeline on the welding positioner 2 conveniently, the operation of multiple workers is not needed, the accident is reduced, after the pipeline is fixed, the rotating block 613 is rotated, one feeding rod 616 is changed from a vertical state to a horizontal state, the pipeline is convenient to be welded, meanwhile, when the two pipelines are mutually clamped, the rotating motor 603 at the other end is opened, the L-shaped plate 614 is driven to rotate, the pipeline is fixed through the fastening plate 610, and the pushing electric push rod 601 is opened, the pipeline that the promotion is in parallel and level support frame 503 top removes for two pipeline blocks with more firm, avoid two pipeline blocks with insecure, the welded effect of influence avoids the manual work to beat the pipeline, causes the pipeline to damage, can reduce staff's intensity of labour simultaneously.
After the two pipelines are fixed, a worker is started to push the movable frame 703 to drive the movable frame 703 to move in the movable hole 701, at the moment, the fixed plate 704 moves in the fixed groove 702 to move the steel wire plate 712 between the two pipelines, the fixed nut 705 is rotated to fix the fixed plate 704, so that the movable frame 703 is fixed to be started to contact with the electric push rod 706, the mounting block 707 is driven to move, the top surface of the steel wire plate 712 is contacted with the bottom surface of the steel pipe through the movement of the mounting block 707, the driving motor 513 is started to drive the friction wheel 512 to rotate, so as to drive the pipelines to rotate, so that the steel wire plate 712 polishes two sides of the contact part of the two pipelines through the rotation of the pipelines, rust and stains on the surfaces of the pipelines are removed, the welding of the automatic welding machine main body 4 to the pipelines is prevented from being influenced by the rust and the stains, bubbles are generated after the, meanwhile, the outer side of the pipeline is not required to be manually polished, the labor intensity of workers is reduced, in the polishing process, the buffer spring 711 is used for avoiding excessive polishing of the steel wire plate 712 during polishing of the pipeline, so that the pipeline is damaged, meanwhile, the thrust generated by the steel wire plate 712 by the pipeline can be buffered, the frequency of replacing the steel wire plate 712 is reduced, and the cost is reduced.
In the polishing process, the heating wire 710 is opened, heat emitted by the heating wire 710 is poured into the top end of the preheating mounting groove 708 through the heat conducting plate 709 and is in contact with a steel pipe after being dissipated through the heat conducting holes 713, so that the welding part of the steel pipe is preheated, the cooling speed of a welding joint is reduced, the welded part can be slowly cooled, hardening tissues are avoided, welding stress and deformation are reduced, welding cracks are prevented from being generated, and meanwhile, through the blocking filter screen 714, when polishing is prevented, scrap iron and dust enter the preheating mounting groove 708 and then enter the heat conducting plate 709, and the heat conducting effect of the heat conducting plate 709 is influenced.
In the polishing process, the electric push rod 601 is pushed, the T-shaped rod 802 is driven to move in the sliding groove 801 by pushing of the electric push rod 601, the vent pipe 803 is driven to move by moving of the T-shaped rod 802, so that the ash discharge pipe 804 is moved to the bottom end of the polishing position, a worker moves the connecting pipe 805 in the pipeline groove 807 by moving the connecting pipe 805, so that the connecting pipe 805 is close to the vicinity of the polishing position, the connecting pipe 805 is fixed in the pipeline groove 807 by rotating the locking nut 809, the exhaust fan 810 is started, dust and iron filings generated in polishing enter the connecting pipe 805 and then enter the dust collection box 815 along the vent pipe 803, the dust generated in polishing by the worker is conveniently collected, and meanwhile, the dust and the iron filings can be prevented from splashing to cause influences on the surrounding environment and influence on the health of the worker;
in the welding machine in-process, can remove extension pipe 808 to the welding position, open exhaust fan 810, make the gas that welding process produced get into cleaning box 811 through intake pipe 806, adsorb the back through activated carbon plate 813 harmful substance and peculiar smell in to gas, spill from cleaning box 811 bottom, avoid harmful gas to influence staff's health and cause the peculiar smell, influence the environment, through filter plate 816, block great particulate matter in the absorption gas, make great particulate matter get into dust collection box 815, avoid great granule to get into cleaning box 811, cause activated carbon plate 813 to change frequently, raise the cost.
In the welding process, a worker moves the movable rod 903 to enable the movable rod 903 to move in the movable groove 902, the arc rod 909 is moved to be in contact with a pipeline and then stops, the limiting screw 904 is rotated to fix the movable rod 903, and at the moment, the rock wool board 911 is in contact with the pipeline to keep the temperature of a welding part, so that the phenomenon that the welding part is deformed due to too high cooling speed after welding is avoided, the welding part is kept warm, the welding quality can be improved, and welding cracks are prevented;
when pipelines with different diameters are welded, the pipelines push the rock wool boards 911 to move to drive the arc rod 909 to move, and the compression rod 908 is pushed to move in the limiting groove 906 through the movement of the arc rod 909, so that the compression spring 907 is compressed, the heat insulation of the pipelines with different diameters can be realized, and the application range of the device can be expanded;
when the pipeline welding position is cooled to 40 ℃, after cold water is introduced into the cooling water pipe 912 through the water feeding pipe 913, the cold water flows out through the water outlet pipe 914, and at the moment, the welding position can be rapidly cooled, so that the cooling efficiency is improved, the cooling time is shortened, and the efficiency can be improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an automatic welder is used at large-scale pipeline scene, includes welding support frame (1), welding support frame (1) top surface one end is passed through the mounting screw and is had positioner (2), moving support frame (3) have been placed to welding support frame (1) one side, automatic weld machine main part (4), its characterized in that are installed to moving support frame (3) one end: support adjusting part (5) have been placed to welding support frame (1) one end, material loading fastening components (6) are all installed at support adjusting part (5) both ends, it installs to polish and preheats subassembly (7) to remove support frame (3) top surface embedding, support adjusting part (5) one end embedding and install and remove bits degasification subassembly (8), polish and preheat subassembly (7) one side and install heat preservation cooling module (9).
2. The on-site automatic welding device for the large pipeline according to claim 1, wherein the bottom surfaces of the welding support frame (1), the movable support frame (3) and the supporting and adjusting assembly (5) are all in the same horizontal plane, and the length and the width of one end of the supporting and adjusting assembly (5) are respectively equal to those of one end of the welding support frame (1).
3. The automatic on-site welding device for the large pipeline according to claim 1, wherein the support adjusting assembly (5) comprises a horizontal support plate (501), a level electric push rod (502), a level support frame (503), a support roller (504), a material support rod (505), a screw rod installation groove (506), a rotating motor (507), a driving gear (508), a driven gear (509), a driving screw rod (510), a sliding frame (511), a friction wheel (512), a driving motor (513), a fixed support frame (514), a movable support plate (515), a corresponding electric push rod (516), an inclined roller frame (517) and an inclined roller (518).
Two horizontal support plates (501) are respectively placed on one side of the welding support frame (1), two parallel electric push rods (502) are respectively installed at two ends of the top surface of the two horizontal support plates (501), four parallel electric push rods (502) are respectively installed at four corners of the bottom surface of the parallel support frame (503), material support rods (505) are respectively installed at two ends of the top surface of the parallel support frame (503) in an embedded manner, support rollers (504) are installed at the bottom ends of the material support rods (505), the bottom surfaces of the support rollers (504) are in contact with the top surface of the parallel support frame (503), a screw rod installation groove (506) is formed in the middle of the top surface of each material support rod (505), a rotating motor (507) is installed in the middle of one end of each material support rod (505), a driving gear (508) is fixedly sleeved on the outer side of an output, the driven gear (509) is fixedly sleeved in the middle of a driving screw rod (510), the two ends of the driving screw rod (510) are located in screw rod mounting grooves (506), a sliding frame (511) is installed inside the screw rod mounting grooves (506) through threads, a friction wheel (512) is movably installed at the top end of the sliding frame (511), one end of the friction wheel (512) on a material supporting rod (505) is provided with a driving motor (513), one end, away from a welding positioner (2), of the top surface of a welding supporting frame (1) is provided with a fixed supporting frame (514) through screws, one end, outside the fixed supporting frame (514), of the outer side of the fixed supporting frame is embedded with a movable supporting plate (515), the middle of the top surface of the movable supporting plate (515) is provided with a corresponding electric push rod (516) in a penetrating manner, an inclined roller frame (517) is, the input ends of the parallel electric push rod (502), the driving motor (513), the rotating motor (507) and the corresponding electric push rod (516) are electrically connected with the output end of an external power supply.
4. The on-site automatic welding device for the large pipeline according to claim 1, wherein the feeding fastening assembly (6) comprises a pushing electric push rod (601), a pushing plate (602), a rotating motor (603), a rotating shaft (604), a limiting block (605), a limiting hole (606), a limiting plate (607), a fastening motor (608), a fastening groove (609), a fastening plate (610), a fastening rubber plate (611), a hinge groove (612), a rotating block (613), an L-shaped plate (614), a fastening screw rod (615) and a feeding rod (616);
the automatic feeding device is characterized in that pushing electric push rods (601) are installed at one ends of two horizontal supporting plates (501), a pushing plate (602) is installed at one end of each pushing electric push rod (601), a rotating motor (603) is installed at one end of each pushing plate (602), a rotating shaft (604) is connected to an output shaft of each rotating motor (603), a limiting block (605) is welded to the middle of the top surface of each horizontal supporting plate (501), a limiting hole (606) is formed in the middle of one end of each limiting block (605) corresponding to the corresponding rotating shaft (604), a limiting plate (607) is installed at one end, far away from the rotating motor (603), of each rotating shaft (604) through a screw, a feeding rod (616) is hinged to the middle of the top end of each pushing plate (602), a hinged groove (612) is formed in the feeding rod (616) close to the rotating motor (603), keep away from material loading pole (616) one end that welding support frame (1) one end rotated motor (603) has L template (614) through the screw mounting, fastening motor (608) are all installed with turning block (613) one end to L template (614), fastening groove (609) have all been seted up with turning block (613) one end to L template (614), fastening motor (608) output shaft is in fastening groove (609) internal connection has fastening screw (615), fastening plate (610) are all installed through the screw thread to fastening screw (615) outside top and bottom, fastening plate (610) one end all bonds and has fastening rubber plate (611), the input that promotes electric putter (601), rotates motor (603) and fastening motor (608) all is connected with external power supply output end electric property.
5. The on-site automatic welding device for the large pipeline according to claim 4, wherein the thread directions of the fastening screw rod (615) and the two ends of the driving screw rod (510) are opposite, the bottom end of the fastening screw rod (615) is movably installed at the bottom end of the fastening groove (609), and the two ends of the driving screw rod (510) are movably installed at the two ends of the screw rod installation groove (506).
6. The automatic welding device for the large pipeline on the spot is characterized in that the grinding preheating assembly (7) comprises a moving hole (701), a fixing groove (702), a moving frame (703), a fixing plate (704), a fixing nut (705), a contact electric push rod (706), a mounting block (707), a preheating mounting groove (708), a heat conducting plate (709), a heating wire (710), a buffer spring (711), a steel wire plate (712), a heat conducting hole (713) and a blocking filter screen (714);
the welding support frame is characterized in that a moving hole (701) is formed in the top end of the welding support frame (1), a fixing groove (702) is formed in one end, close to the moving hole (701), of the top surface of the welding support frame (1), a moving frame (703) is installed in the moving hole (701) in an embedded mode, a fixing plate (704) is installed on one side of the top end of the moving frame (703) through a screw, one end of the fixing plate (704) is located in the fixing groove (702), a fixing nut (705) is installed on one side of the top end of the fixing plate (704) in the fixing groove (702), a contact electric push rod (706) is installed at two ends of one side of the moving frame (703), an installation block (707) is installed at the top end of the contact electric push rod (706) through a screw, a preheating installation groove, preheat inside heat-conducting plate (709) bottom in mounting groove (708) and install heater strip (710), the even welding in heat-conducting plate (709) top has a plurality of buffer spring (711), and is a plurality of buffer spring (711) top surface all welds in wire slab (712) bottom surface, wire slab (712) top surface has evenly seted up heat conduction hole (713), the welding of the inside top of heat conduction hole (713) has and blocks filter screen (714), the input of contact electric putter (706) and heater strip (710) all is connected with external power output end electrical property.
7. The on-site automatic welding device for large pipes according to claim 6, wherein the heat conducting plate (709) and the wire plate (712) have the same cross-sectional shape as the preheating installation groove (708), the moving hole (701) and the moving frame (703) have the same U-shaped longitudinal section, and the outer diameter of the moving frame (703) is equal to the inner diameter of the moving hole (701).
8. The automatic welding device for the large-scale pipeline on the spot is characterized in that the scrap removing and degassing assembly (8) comprises a sliding groove (801), a T-shaped rod (802), a vent pipe (803), an ash discharging pipe (804), a connecting pipe (805), an air inlet pipe (806), a pipeline groove (807), an extension pipe (808), a locking nut (809), an exhaust fan (810), a cleaning box (811), a box cover (812), an activated carbon plate (813), an inlet cylinder (814), a dust collecting box (815) and a filter plate (816);
sliding grooves (801) are formed in two sides of one end of the parallel and level support frame (503), T-shaped rods (802) are installed in the sliding grooves (801) in an embedded mode, two ventilating pipes (803) are installed between the T-shaped rods (802) in a penetrating mode, ash discharging pipes (804) are all bonded on two sides of the top ends of the ventilating pipes (803), air inlet pipes (806) are bonded on one ends of the ventilating pipes (803), pipe grooves (807) are formed in the top surfaces of the ash discharging pipes (804) and the air inlet pipes (806), connecting pipes (805) are installed on the ash discharging pipes (804) in an embedded mode in the pipe grooves (807) in the air inlet pipes (806), extension pipes (808) are installed on the air inlet pipes (806) in an embedded mode in the pipe grooves (807) in the air inlet pipes (804), locking nuts (809) are connected to one ends of the ash discharging pipes (804) and the air inlet, the cleaning device is characterized in that one end of the ventilating pipe (803) penetrates through and is bonded to the top surface of the cleaning box (811), one end of the cleaning box (811) is provided with a box cover (812) through a screw, one end of the box cover (812) is provided with an activated carbon plate (813) through a screw, one end of the ventilating pipe (803) close to the exhaust fan (810) is provided with a filter plate (816) through a screw, one end of the ventilating pipe (803) close to the filter plate (816) is penetrated and welded with an entering cylinder (814), the entering cylinder (814) is penetrated and welded to the top surface of the dust collecting box (815), and the input end of the exhaust fan (810);
the bottom surface of the dust collection box (815) is mounted on the top surface of the pushing plate (602) through screws, one end of the cleaning box (811) is welded with a connecting block, one end of the connecting block is mounted at one end of the pushing plate (602) through screws, and air outlet holes are uniformly formed in two sides of the bottom end of the cleaning box (811).
9. The on-site automatic welding device for the large pipelines is characterized in that the heat-insulating and cooling assembly (9) comprises a fixed block (901), a movable groove (902), a movable rod (903), a limit screw (904), a fixed rod (905), a limit groove (906), a compression spring (907), a compression rod (908), an arc rod (909), an arc groove (910), a rock wool board (911), a cooling water pipe (912), a water inlet pipe (913) and a water outlet pipe (914);
one end of the moving frame (703) is provided with a fixed block (901) through a screw rod, one end of the top surface of the fixed block (901) is provided with a movable groove (902), a movable rod (903) is embedded and installed in the movable groove (902), one end of the fixed block (901) penetrating through the movable groove (902) is provided with a limit screw (904) through a thread, the top end of the movable rod (903) is welded with a fixed rod (905) in a penetrating way, the middle part of one end of the fixed rod (905) is provided with a limit groove (906), the limit groove (906) is welded with a compression spring (907), one end of the compression spring (907) is positioned in the limit groove (906) and is welded with a compression rod (908), one end of the compression rod (908) is provided with an arc rod (909) through a screw, one end of the arc rod (909) is provided with, arc groove (910) inside is close to rock wool board (911) one end and installs cooling water pipe (912) through the buckle, cooling water pipe (912) top is run through arc groove (910) one end and is bonded there is inlet tube (913), cooling water pipe (912) bottom is run through arc groove (910) other end and is bonded there is outlet pipe (914).
10. An automatic welding method for on-site welding of large pipes, characterized in that the welding work is performed using the welding device according to any one of claims 1-9.
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| CN202010323883.5A CN111347215A (en) | 2020-04-23 | 2020-04-23 | Automatic welding device and welding method for large pipeline on site |
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| CN202010323883.5A CN111347215A (en) | 2020-04-23 | 2020-04-23 | Automatic welding device and welding method for large pipeline on site |
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