CN115091108B - Welding and fixing device and welding method for building steel structure - Google Patents
Welding and fixing device and welding method for building steel structure Download PDFInfo
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- CN115091108B CN115091108B CN202211022265.2A CN202211022265A CN115091108B CN 115091108 B CN115091108 B CN 115091108B CN 202211022265 A CN202211022265 A CN 202211022265A CN 115091108 B CN115091108 B CN 115091108B
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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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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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 only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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Abstract
The invention discloses a welding and fixing device and a welding method for a building steel structure, and relates to the technical field of steel structure welding. In the invention: every side position of main steelframe all the centre gripping install two location support assembly, and location support assembly spiro union has the end that is located main steelframe upper and lower side position to enclose the screw thread dish, and all location support assembly lead to install jointly and indulge the subassembly that moves, indulge the subassembly that moves including enclosing into the integrated configuration of first leading truck, the second leading truck of rectangle frame, indulge and move the directional slidable mounting of subassembly and have the welding adjustment subassembly. First riser, second riser all rotate and install the rotation axis pole, rotation axis pole one end fixedly connected with jaw board. And angle adjusting components are positioned and installed at the upper ends of all the positioning and supporting components. When the steel structure is connected and welded, the welding positions of the auxiliary steel rod and the main steel frame are aligned and stable, the stable alignment of the welding gun and the welding seam can be ensured, the welding seam welding process can be completed more uniformly and linearly, and the welding seam quality between the steel structures is improved.
Description
Technical Field
The invention relates to the technical field of steel structure welding, in particular to a building steel structure welding and fixing device and a welding method.
Background
Building steel frame is in carrying out welding process, and the quality of welding seam quality plays comparatively important effect to the connection of steel construction, support performance, and in actual welding process, because some steel construction are not completely fixed yet, the welding area is difficult to align, and during the welding, handheld welder rocks easily moreover, leads to steel construction hookup location department welding seam's error big, the effect is poor, is influencing the connection performance between the steel construction. Therefore, when the steel structure is connected and welded, the welding area between the steel structures is aligned and stable, the welding end of the welding gun is stably aligned with the welding seam, and the problem to be solved in the process of improving the welding of the steel structure is solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a welding and fixing device and a welding method for a building steel structure, so that when the steel structure is connected and welded, the welding position between an auxiliary steel rod and a main steel frame is aligned and stable, the stable alignment of a welding gun and a welding seam can be ensured, and the welding seam process can be completed uniformly and linearly.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a welding and fixing device for a building steel structure, which comprises a main steel frame and an auxiliary steel rod which are to be welded and connected together, wherein two positioning and supporting components are clamped and mounted at each side position of the main steel frame, bottom surrounding threaded discs positioned at the upper side position and the lower side position of the main steel frame are in threaded connection with the positioning and supporting components, all the positioning and supporting components are jointly guided and mounted with a longitudinal moving component, the longitudinal moving component comprises a combined structure of a first guide frame and a second guide frame which are enclosed into a rectangular frame, and a welding adjusting component is directionally and slidably mounted on the longitudinal moving component.
Welding adjusting part is including the riser that slides, it is dull and stereotyped to slide, the riser bottom surface intermediate position that slides is equipped with the installation arch, the installation screw has been seted up to the installation arch, the riser downside slidable mounting riser that slides, the second riser, the cardboard through-hole has all been seted up to the second riser, direction branch is installed to cardboard through-hole position department, direction branch anterior segment is the screw thread section of spiro union in installation screw position department, direction branch back end cover is equipped with tension spring, the riser, the second riser all rotates and installs the rotating shaft pole, rotating shaft pole one end fixedly connected with jack catch board, the jack catch board includes the claw mouth, claw mouth wall position department is equipped with the ball. The rotating shaft rod side of the first vertical plate is provided with a pointer, one side of the first vertical plate is provided with a plurality of first scales matched with the pointer, the position of the annular side of the rotating shaft rod of the first vertical plate is provided with a limiting arc plate used for limiting the rotation of the rotating shaft rod through static friction, the middle position of the outer annular side of the limiting arc plate is fixedly provided with an adjusting pull rod, the side fixed installation of the first vertical plate is used for guiding and supporting an edge side batten of the adjusting pull rod, and an adjusting pull rod sleeve is provided with a pressure spring located between the limiting arc plate and the edge side batten.
All location supporting component upper end location installation angle adjusting part, angle adjusting part includes two location built-up blocks, the sphere semi-ring is all installed to every location built-up block intermediate position, two model cutting ferrule integrated configuration and block are installed to two sphere semi-rings inner wall at two outlying ball panels of model cutting ferrule, form the vertical die cavity that runs through between two model cutting ferrule integrated configuration, the surface of one of them ball panel is equipped with the second scale, there is the clearance between two ball panels, one of them sphere semi-ring is installed and is just adjusting the swing arm to the second in clearance between two ball panels.
As a preferred technical scheme of the welding and fixing device in the invention: the positioning support assembly sequentially comprises a bottom wall screw, a longitudinal moving guide plate and a top wall screw from bottom to top, a bottom wall thread disc is provided with a thread through hole, and the bottom wall thread disc is screwed at the position of the bottom wall screw; the first guide frame and the second guide frame are both provided with a group of longitudinal moving sleeves, the longitudinal moving sleeves are provided with sliding through grooves, and longitudinal moving guide plates are movably arranged at the positions of the sliding through grooves; one of the longitudinal moving sleeves is in threaded connection with a first adjusting rotating rod extending into the sliding through groove; the positioning combination frame is provided with two positioning guide grooves which are parallel to each other, the top surrounding screw rod is arranged at the position of the positioning guide grooves, and the top surrounding screw rod is provided with a nut which is positioned on the upper side of the positioning combination frame.
As a preferred technical scheme of the welding and fixing device of the invention: the first guide frame and the second guide frame are both provided with transverse frame plates, the first guide frame is provided with a group of first longitudinal frame plates, the second guide frame is provided with a group of second longitudinal frame plates, the transverse frame plates, the first longitudinal frame plates and the second longitudinal frame plates are provided with sliding guide grooves, the side ends of the first longitudinal frame plates are provided with protrusions, the second longitudinal frame plates are provided with notches, and the first longitudinal frame plates and the second longitudinal frame plates at the same side positions are connected in an inserting fit mode; the bottom side of the sliding flat plate is provided with an outer clamping plate and an inner clamping plate, the inner clamping plate of the sliding flat plate is clamped and installed at the position of the sliding guide groove, the outer clamping plate of the sliding flat plate is clamped at the inner side position of the transverse frame plate or the first longitudinal frame plate or the second longitudinal frame plate, and the sliding vertical plate is clamped at the outer side position of the transverse frame plate or the first longitudinal frame plate or the second longitudinal frame plate.
As a preferred technical scheme of the welding and fixing device of the invention: the trapezoidal guide slot that is located the protruding both sides position of installation is seted up to the riser bottom side that slides, and first riser, second riser upper end all are provided with trapezoidal fixture block, and the trapezoidal fixture block slidable mounting of first riser is in the trapezoidal guide slot position department of one side, and the trapezoidal fixture block slidable mounting of second riser is in the trapezoidal guide slot position department of opposite side, and the lower base width dimension of trapezoidal guide slot cross section is less than the base width dimension.
As a preferred technical scheme of the welding and fixing device in the invention: the tail ends of the guide support rods are provided with flat caps, one tension spring is positioned between the flat cap of one guide support rod and the first vertical plate, and the other tension spring is positioned between the flat cap of the other guide support rod and the second vertical plate.
As a preferred technical scheme of the welding and fixing device of the invention: the limiting arc plate is provided with a layer of rubber pad which is contacted with the rotating shaft rod, the central angle of the arc structure of the limiting arc plate is alpha, and then the angle is 120 degrees < alpha <180 degrees.
As a preferred technical scheme of the welding and fixing device of the invention: the spherical half ring comprises an inner spherical clamping groove and a group of inner wall guide bars arranged at the edge position of the inner spherical clamping groove, and the outer surface of the spherical plate is provided with a spherical guide groove matched with the inner wall guide bars; the spherical semi-ring is provided with a threaded pipe sleeve, the threaded pipe sleeve is provided with a through threaded hole, and the second adjusting screw rod is screwed at the position of the threaded pipe sleeve.
As a preferred technical scheme of the welding and fixing device in the invention: an inner clamping groove is formed in one side of the spherical plate, and the model clamping sleeve is clamped and installed at the position of the inner clamping groove of the spherical plate;
a side clamping plate is arranged on the outer side surface of the model clamping sleeve, an inner clamping groove matched with the model clamping sleeve is formed in the spherical plate, and an inner clamping groove matched with the side clamping plate is further formed in the position of the inner clamping groove.
The invention provides a welding method of a building steel structure, which comprises the following steps:
(1) The positioning support assembly is initially fixed on the main steel frame through the bottom wall threaded disc, the first guide frame and the second guide frame are sleeved on the positioning support assembly, the position of the positioning support assembly is adjusted, the first guide frame and the second guide frame are aligned and spliced, and the bottom wall threaded disc is locked. (2) The integrated configuration of spherical panel, model cutting ferrule has been installed to the block between two sphere semi-rings to with two location built-up blocks fixed position of angle adjustment subassembly install in location supporting component upper end, at the vice steel pole of model cutting ferrule position grafting, adjust vice steel pole welding inclination and fix the inclination of vice steel pole through the second regulation rotary rod. (3) And a longitudinal moving assembly formed by combining the first guide frame and the second guide frame is fixed at the corresponding height position of the positioning support assembly through the first adjusting rotating rod, the first vertical plate and the second vertical plate are pulled outwards, and the welding gun is clamped at the jaw opening positions of the two jaw plates. (4) The welding adjusting assembly slides to the welding starting position of the current side edge, the welding gun clamped between the two jaw plates is pushed and pulled, the adjusting pull rod is pulled once, the welding inclination angle of the welding gun at the current side plate is found, and the welding gun at the position of the jaw plates is adjusted to the specified inclination angle. (5) And starting welding by using a welding gun, pushing a welding adjusting assembly at a constant speed, and welding seams at the connecting positions of the main steel frame and the auxiliary steel rods. (6) And after welding of one side position is completed, adjusting the telescopic position and the inclination angle of the welding gun according to the welding positions of other sides, and completing welding seam welding of other sides of the main steel frame and the auxiliary steel rod. (7) After welding, the second adjusting rotary rod is loosened and detached, the model clamping sleeve is pushed upwards, the model clamping sleeve is separated from the position between the two spherical panels, the two spherical panels are also separated from the spherical semi-rings of the two positioning combined frames simultaneously, the two positioning combined frames are detached, the bottom wall thread disc is loosened and detached, and the first guide frame and the second guide frame are detached.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the positioning support assembly is clamped and installed at the connecting position of the main steel frame and the auxiliary steel rod, the longitudinal moving assembly and the angle adjusting assembly are installed on the positioning support assembly, the angle position of the auxiliary steel rod is positioned through the angle adjusting assembly, the welding adjusting assembly capable of freely sliding is configured on the longitudinal moving assembly, and the welding gun is installed at the position corresponding to the welding adjusting assembly in a matching manner.
Drawings
Fig. 1 is a schematic view of the overall structure of the welding fixture of the present invention.
Fig. 2 is a schematic view of the weld fixture of the present invention with parts separated.
FIG. 3 is a schematic structural view of a positioning support assembly according to the present invention.
FIG. 4 is a schematic view of a longitudinal movement assembly according to the present invention.
Fig. 5 is a schematic view of a welding adjusting assembly according to the present invention.
FIG. 6 is an exploded view of the weld adjustment assembly of the present invention.
Fig. 7 is a schematic view of a matching structure of the first vertical plate, the pawl plate and the limiting arc plate.
Fig. 8 is a schematic structural view of an angle adjustment assembly according to the present invention.
Description of reference numerals:
1-a main steel frame; 2-auxiliary steel rods; 3-positioning the support component; 4-a longitudinal movement component; 5-welding the adjusting assembly; 6-an angle adjustment assembly; 301-bottom surrounding screw rod, 302-longitudinal moving guide plate, 303-top surrounding screw rod and 304-bottom surrounding thread disc; 401-a first guide frame, 402-a second guide frame, 403-a transverse frame plate, 404-a longitudinal moving sleeve, 405-a sliding through groove, 406-a first adjusting rotating rod, 407-a first longitudinal frame plate, 408-a second longitudinal frame plate and 409-a sliding guide groove; 501-a sliding vertical plate, 502-a sliding flat plate, 503-a mounting protrusion, 504-a mounting screw hole, 505-a trapezoidal guide groove, 506-an outer clamping plate, 507-an inner clamping plate, 508-a first vertical plate, 509-a second vertical plate, 510-a trapezoidal clamping block, 511-a clamping plate through hole, 512-a guide support rod, 513-a tension spring, 514-a rotating shaft, 515-a clamping claw plate, 516-a claw mouth, 517-a ball, 518-a pointer, 519-a limiting arc plate, 520-a side lath, 521-an adjusting pull rod, 522-a pressing spring and 523-a first scale; 601-positioning combined frame, 602-positioning guide groove, 603-spherical half ring, 604-internal spherical clamping groove, 605-internal wall guide bar, 606-threaded sleeve, 607-threaded hole, 608-second adjusting rotary rod, 609-model clamping sleeve, 610-die cavity, 611-edge clamping plate, 612-spherical panel, 613-internal clamping groove, 614-spherical guide groove, 615-second scale and 616-internal clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Referring to fig. 1, two positioning support assemblies 3 are arranged at each side position of a main steel frame 1, a longitudinal moving assembly 4 is sleeved on each positioning support assembly 3, an angle adjusting assembly 6 is mounted at the upper end of each positioning support assembly 3, an auxiliary steel rod 2 is inserted into the position of each angle adjusting assembly 6, the bottom end of each auxiliary steel rod 2 is in contact with the main steel frame 1, and a welding adjusting assembly 5 is hung on each longitudinal moving assembly 4 and can directionally slide on the longitudinal moving assembly 4.
Referring to fig. 2, the welding fixture according to the present invention is shown in a separated state, including a positioning support assembly 3, a longitudinal moving assembly 4, a welding adjustment assembly 5, and an angle adjustment assembly 6.
Referring to fig. 3, the positioning and supporting assembly 3 includes a bottom surrounding screw 301, a longitudinal moving guide plate 302, a top surrounding screw 303, and bottom surrounding threaded disks 304, the bottom surrounding screw 301 is located at the bottom side of the longitudinal moving guide plate 302, the top surrounding screw 303 is located at the top side of the longitudinal moving guide plate 302, two bottom surrounding threaded disks 304 are mounted on each bottom surrounding screw 301, and the two bottom surrounding threaded disks 304 are mounted at the upper and lower side positions of the main steel frame 1.
Referring to fig. 4, the longitudinal moving assembly 4 is divided into a first guide frame 401 and a second guide frame 402, the first guide frame 401 and the second guide frame 402 are both provided with a cross frame plate 403 and two longitudinal moving sleeves 404 located at the side ends of the cross frame plate 403, the longitudinal moving sleeves 404 are provided with sliding through slots 405, (with reference to fig. 3), the longitudinal moving guide plate 302 passes through the sliding through slots 405 of the longitudinal moving sleeves 404, one of the longitudinal moving sleeves 404 is further provided with a first adjusting rotating rod 406, and the longitudinal moving sleeves 404 can be fixed on the longitudinal moving guide plate 302 by screwing the first adjusting rotating rod 406. First leading truck 401 has set up two first vertical frame boards 407, and second leading truck 402 has set up two second vertical frame boards 408, and first vertical frame board 407 front end has set up the arch, and the second vertical frame board 408 front end has seted up the notch, just in time can accomplish the first vertical frame board 407 and the second vertical frame board 408 grafting cooperation of indulging, and first vertical frame board 407, second vertical frame board 408, horizontal frame board 403 have all seted up the guide slot 409 that slides.
Referring to fig. 5, a bottom side surface of the sliding vertical plate 501 is provided with a narrow-opening trapezoidal guide groove 505, a first vertical plate 508 and a second vertical plate 509 are slidably mounted on a lower side of the sliding vertical plate 501, jaw plates 515 capable of adjusting angles are mounted on inner peripheries of the first vertical plate 508 and the second vertical plate 509, a pointer 518 is disposed on an end surface of a rotating shaft 514 of the first vertical plate 508, and first scales 523 distributed circumferentially are further disposed on an outer side surface of the first vertical plate 508, so that an inclination angle of the jaw plates 515 can be observed and adjusted conveniently. The rotating shaft 514 of the first vertical plate 508 is further provided with a limit arc plate 519 at the side of the ring, and the limit arc plate 519 performs static friction limit positioning on the rotating shaft 514.
Referring to fig. 6, the outer snap-in board 506 and the inner snap-in board 507 are disposed on the bottom side of the sliding flat board 502, (with reference to fig. 4), the inner snap-in board 507 can be engaged with the sliding guide slot 409, the outer snap-in board 506 is engaged with the inner side of the horizontal frame board 403 or the first vertical frame board 407 or the second vertical frame board 408, and the sliding vertical board 501 is engaged with the outer side of the horizontal frame board 403 or the first vertical frame board 407 or the second vertical frame board 408. The bottom side of the sliding vertical plate 501 is provided with an installation bulge 503, the installation bulge 503 is provided with an installation screw hole 504, the guide support rod 512 passes through a clamping plate through hole 511 at the upper parts of the first vertical plate 508 and the second vertical plate 509, and the thread section of the front section of the guide support rod 512 is screwed in the installation screw hole 504. Inverted trapezoidal clamping blocks 510 are arranged at the upper ends of the first vertical plate 508 and the second vertical plate 509, and the trapezoidal clamping blocks 510 are slidably mounted in the corresponding trapezoidal guide grooves 505. The tail end of the guide strut 512 is provided with a flat cap, the guide strut 512 is provided with a tension spring 513, and the tension spring 513 is positioned between the flat cap and the first vertical plate 508 or the second vertical plate 509.
Referring to fig. 7, a side slat 520 is fixedly installed at a side end of the first vertical plate 508, an adjusting pull rod 521 capable of being pulled freely is installed on the side slat 520, a front side end of the adjusting pull rod 521 is connected to an outer side end of the limiting arc plate 519, a layer of rubber pad is arranged on an inner side surface of the limiting arc plate 519 (if a central angle of an arc structure of the limiting arc plate 519 is α, then 120 ° < α <180 °), the adjusting pull rod 521 is further installed with a pressure spring 522, the pressure spring 522 is located between the side slat 520 and the limiting arc plate 519, and the limiting arc plate 519 and the rubber pad are in close contact with the rotating shaft 514 under the action of the pressure spring 522, so that free rotation of the rotating shaft 514 is limited by static friction. The jaw plate 515 includes a jaw 516, (referring to fig. 5) a welding gun (rod) is installed at the jaw 516, each wall of the jaw 516 is provided with a plurality of balls 517, and the welding gun (rod) can be freely pushed and pulled to adjust the position of the welding gun.
Referring to fig. 8, the angle adjusting assembly 6 includes two positioning assembly frames 601, the two side edges of the positioning assembly frames 601 are provided with positioning guide slots 602, (with reference to fig. 3), the top surrounding screw 303 passes through the positioning guide slots 602 and is provided with a nut, the middle portion of the positioning assembly frame 601 is provided with a spherical half ring 603, the middle portion of the inner spherical slot 604 of one spherical half ring 603 is provided with a threaded pipe sleeve 606, the threaded pipe sleeve 606 is provided with a through threaded hole 607, and the threaded pipe sleeve 606 is threadedly provided with a second adjusting rotary rod 608. Inner wall guide strips 605 are arranged at the edge positions of two sides of the inner spherical clamping groove 604, after the two spherical half rings 603 are combined, the adjacent inner wall guide strips 605 (the inner wall guide strips 605 of different inner spherical clamping grooves 604) are combined together, the two spherical panels 612 are placed in the inner spherical clamping grooves 604 of the spherical half rings 603, the spherical guide grooves 614 are installed along the inner wall guide strips 605, the two model clamping sleeves 609 are installed in the inner clamping grooves 613 of the two spherical panels 612, and the edge clamping plates 611 of the model clamping sleeves 609 are clamped into the inner surface clamping grooves 616 of the spherical panels 612, so that the two model clamping sleeves 609 and the two spherical panels 612 are clamped between the two spherical half rings 603. The secondary steel rod 2 passes right through the die cavity 610 of the two die ferrules 609.
Example two
The invention relates to a welding method of a building steel structure, which specifically comprises the following steps:
first step, enclose threaded plate 304 through the end earlier with location support assembly 3 tentatively fix on main steelframe 1, with first leading truck 401, second leading truck 402 suit on location support assembly 3, adjust location support assembly 3's position, align first leading truck 401, second leading truck 402 and peg graft to enclose threaded plate 304 at the end of locking.
Secondly, a combined structure of a spherical panel 612 and a model clamping sleeve 609 is clamped and installed between the two spherical half rings 603, the two positioning combined frames 601 of the angle adjusting assembly 6 are positioned and installed at the upper end of the positioning support assembly 3, an auxiliary steel rod 2 is inserted into the position of the model clamping sleeve 609, the welding inclination angle of the auxiliary steel rod 2 is adjusted, and the inclination angle of the auxiliary steel rod 2 is fixed through a second adjusting rotary rod 608.
Thirdly, the longitudinal movement assembly 4 formed by combining the first guide frame 401 and the second guide frame 402 is fixed at the corresponding height position of the positioning support assembly 3 through the first adjusting rotating rod 406, the first vertical plate 508 and the second vertical plate 509 are pulled outwards, and the welding gun is clamped at the claw openings 516 of the two claw plates 515.
Fourthly, sliding the welding adjusting component 5 to the welding starting position of the current side edge, pushing and pulling the welding gun clamped between the two jaw plates 515, pulling the primary adjusting pull rod 521, searching a proper welding inclination angle of the welding gun on the current side plate, and adjusting the welding gun at the position of the jaw plate 515 to a specified inclination angle.
And fifthly, starting welding by using a welding gun, pushing the welding adjusting assembly 5 at a constant speed, and welding the joint of the main steel frame 1 and the auxiliary steel rod 2.
And sixthly, after welding of one side position is completed, adjusting the telescopic position and the inclination angle of the welding gun according to the welding positions of other sides, and completing welding of other sides of the main steel frame 1 and the auxiliary steel rod 2.
Finally, after welding is finished, the second adjusting rotary rod 608 is loosened, the model clamping sleeve 609 is pushed upwards, the model clamping sleeve 609 is separated from the position between the two spherical panels 612, the two spherical panels 612 are also separated from the spherical half rings 603 of the two positioning combination racks 601 at the same time, the two positioning combination racks 601 are disassembled, the bottom wall threaded plate 304 is loosened, and the first guide rack 401 and the second guide rack 402 are disassembled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A welding method for a building steel structure is characterized in that the contents of a welding and fixing device for realizing the welding method are as follows: the welding device comprises a main steel frame (1) and an auxiliary steel rod (2) which are to be welded and connected together, wherein two positioning and supporting components (3) are clamped and mounted at each side edge position of the main steel frame (1), the positioning and supporting components (3) are in threaded connection with bottom surrounding threaded discs (304) positioned at the upper side and the lower side of the main steel frame (1), all the positioning and supporting components (3) are jointly guided and mounted with a longitudinal moving component (4), the longitudinal moving component (4) comprises a combined structure of a first guide frame (401) and a second guide frame (402) which surround a rectangular frame, and a welding adjusting component (5) is directionally and slidably mounted on the longitudinal moving component (4); the positioning support assembly (3) sequentially comprises a bottom surrounding screw rod (301), a longitudinal moving guide plate (302) and a top surrounding screw rod (303) from bottom to top, a threaded through hole is formed in the bottom surrounding threaded disc (304), and the bottom surrounding threaded disc (304) is screwed at the position of the bottom surrounding screw rod (301); the first guide frame (401) and the second guide frame (402) are both provided with a group of longitudinal moving sleeves (404), each longitudinal moving sleeve (404) is provided with a sliding through groove (405), the longitudinal moving guide plate (302) is movably arranged at the position of the sliding through groove (405), and one longitudinal moving sleeve (404) is in threaded connection with a first adjusting rotary rod (406) extending into the sliding through groove (405); the welding adjusting component (5) comprises a sliding vertical plate (501) and a sliding flat plate (502), wherein a mounting protrusion (503) is arranged in the middle of the bottom side face of the sliding vertical plate (501), a mounting screw hole (504) is formed in the mounting protrusion (503), a first vertical plate (508) and a second vertical plate (509) are slidably mounted on the lower side of the sliding vertical plate (501), clamping plate through holes (511) are formed in the first vertical plate (508) and the second vertical plate (509), a guide supporting rod (512) is mounted at the position of each clamping plate through hole (511), the front section of each guide supporting rod (512) is a threaded section screwed at the position of the mounting screw hole (504), a tension spring (513) is sleeved on the rear section of each guide supporting rod (512), rotary shafts (514) and the second vertical plate (509) are rotatably mounted with rotary shafts (514), one end of each rotary shaft (514) is fixedly connected with a clamping jaw plate (515), each clamping jaw plate (515) comprises a clamping jaw opening (516), and balls (517) are arranged at the wall surface position of each jaw opening (516); a pointer (518) is configured at the side end of a rotating shaft rod (514) of the first vertical plate (508), a plurality of first scales (523) matched with the pointer (518) are arranged on one side surface of the first vertical plate (508), a limiting arc plate (519) used for static friction to limit rotation of the rotating shaft rod (514) is configured at the side position of the rotating shaft rod (514) of the first vertical plate (508), an adjusting pull rod (521) is fixedly installed at the middle position of the outer ring side surface of the limiting arc plate (519), a side lath (520) used for guiding and supporting the adjusting pull rod (521) is fixedly installed at the side of the first vertical plate (508), and a pressure spring (522) located between the limiting arc plate (519) and the side lath (520) is sleeved on the adjusting pull rod (521); the angle adjusting assembly (6) is positioned and mounted at the upper end of each positioning and supporting assembly (3), the angle adjusting assembly (6) comprises two positioning combined frames (601), a spherical half ring (603) is mounted in the middle of each positioning combined frame (601), two model clamping sleeve (609) combined structures and two spherical panels (612) clamped on the peripheries of the model clamping sleeves (609) are mounted in the two spherical half rings (603), a vertically penetrating mold cavity (610) is formed between the two model clamping sleeve (609) combined structures, a second scale (615) is arranged on the outer surface of one spherical panel (612), a gap exists between the two spherical panels (612), and a second adjusting rotary rod (608) which is right opposite to the gap between the two spherical panels (612) is mounted on one spherical half ring (603); the welding method of the construction steel structure comprises the following steps: (1) Firstly, preliminarily fixing a positioning support assembly (3) on a main steel frame (1) through a bottom-surrounding threaded disc (304), sleeving a first guide frame (401) and a second guide frame (402) on the positioning support assembly (3), adjusting the position of the positioning support assembly (3), aligning and inserting the first guide frame (401) and the second guide frame (402), and locking the bottom-surrounding threaded disc (304); (2) A combined structure of a spherical panel (612) and a model clamping sleeve (609) is clamped and mounted between the two spherical half rings (603), two positioning combined frames (601) of the angle adjusting assembly (6) are positioned and mounted at the upper end of the positioning support assembly (3), an auxiliary steel rod (2) is inserted at the position of the model clamping sleeve (609), the welding inclination angle of the auxiliary steel rod (2) is adjusted, and the inclination angle of the auxiliary steel rod (2) is fixed through a second adjusting rotating rod (608); (3) A longitudinal movement assembly (4) formed by combining a first guide frame (401) and a second guide frame (402) is fixed at the corresponding height position of a positioning support assembly (3) through a first adjusting rotary rod (406), a first vertical plate (508) and a second vertical plate (509) are pulled outwards, and a welding gun is clamped at the jaw openings (516) of two jaw plates (515); (4) Sliding the welding adjusting component (5) to the welding starting position of the current side edge, pushing and pulling a welding gun clamped between the two jaw plates (515), pulling the primary adjusting pull rod (521), searching a proper welding inclination angle of the welding gun on the current side plate, and adjusting the welding gun at the position of the jaw plate (515) to a specified inclination angle; (5) Starting welding by using a welding gun, pushing the welding adjusting assembly (5) at a constant speed, and welding the joint of the main steel frame (1) and the auxiliary steel rod (2); (6) After welding at one side position is finished, adjusting the telescopic position and the inclination angle of a welding gun according to the welding positions of other sides to finish welding seams at other sides of the main steel frame (1) and the auxiliary steel rod (2); (7) After welding, the second adjusting rotary rod (608) is loosened, the model clamping sleeve (609) is pushed upwards, the model clamping sleeve (609) is separated from the position between the two spherical panels (612), the two spherical panels (612) are also separated from the spherical half rings (603) of the two positioning combined frames (601), the two positioning combined frames (601) are disassembled, the bottom surrounding threaded disc (304) is loosened, and the first guide frame (401) and the second guide frame (402) are disassembled.
2. The welding method of the construction steel structure according to claim 1, wherein: two parallel positioning guide grooves (602) are formed in the positioning combined frame (601), the top surrounding screw rod (303) is installed at the position of the positioning guide grooves (602), and a nut located on the upper side of the positioning combined frame (601) is installed on the top surrounding screw rod (303).
3. The welding method of the construction steel structure according to claim 1, characterized in that: the first guide frame (401) and the second guide frame (402) are both provided with transverse frame plates (403), the first guide frame (401) is provided with a group of first longitudinal frame plates (407), the second guide frame (402) is provided with a group of second longitudinal frame plates (408), the transverse frame plates (403), the first longitudinal frame plates (407) and the second longitudinal frame plates (408) are provided with sliding guide grooves (409), the side end of the first longitudinal frame plate (407) is provided with a protrusion, the second longitudinal frame plate (408) is provided with a notch, and the first longitudinal frame plate (407) and the second longitudinal frame plate (408) at the same side position are connected in an inserting fit manner; the utility model discloses a horizontal shelf board (403) or the inboard position of first vertical shelf board (407) or second vertical shelf board (408) are installed to the outer cardboard (507) block of dull and stereotyped (502) that slides, the inboard position of slip guide slot (409) position department is installed in the dull and stereotyped (502) bottom side that slides, the outer cardboard (507) block of the dull and stereotyped (502) that slides, the outside position of the riser (501) block of sliding in horizontal shelf board (403) or first vertical shelf board (407) or second vertical shelf board (408).
4. The welding method of the construction steel structure according to claim 1, wherein: the trapezoidal guide slot (505) that is located installation arch (503) both sides position is seted up to the riser (501) bottom surface that slides, first riser (508), second riser (509) upper end all are provided with trapezoidal fixture block (510), trapezoidal fixture block (510) slidable mounting in the trapezoidal guide slot (505) position department of one side of first riser (508), trapezoidal fixture block (510) slidable mounting in the trapezoidal guide slot (505) position department of opposite side of second riser (509), the lower base width size of trapezoidal guide slot (505) cross section is less than base width size.
5. The welding method of the construction steel structure according to claim 1, wherein: the tail ends of the guide supporting rods (512) are provided with flat caps, one tension spring (513) is positioned between the flat cap of one guide supporting rod (512) and the first vertical plate (508), and the other tension spring (513) is positioned between the flat cap of the other guide supporting rod and the second vertical plate (509).
6. The welding method of the construction steel structure according to claim 1, wherein: the limiting arc plate (519) is provided with a layer of rubber pad which is contacted with the rotating shaft rod (514), the central angle of the arc-shaped structure of the limiting arc plate (519) is alpha, and then 120 degrees < alpha <180 degrees.
7. The welding method of the construction steel structure according to claim 1, wherein: the spherical half ring (603) comprises an inner spherical clamping groove (604) and a group of inner wall guide bars (605) arranged at the edge position of the inner spherical clamping groove (604), and the outer surface of the spherical panel (612) is provided with a spherical guide groove (614) matched with the inner wall guide bars (605); the spherical half ring (603) is provided with a threaded pipe sleeve (606), the threaded pipe sleeve (606) is provided with a through threaded hole (607), and the second adjusting rotary rod (608) is screwed at the position of the threaded pipe sleeve (606).
8. The welding method of the construction steel structure according to claim 1, wherein: an inner clamping groove (613) is formed in one side of the ball panel (612), and the model clamping sleeve (609) is clamped and installed at the position of the inner clamping groove (613) of the ball panel (612); a side clamping plate (611) is arranged on the outer side surface of the model clamping sleeve (609), an inner clamping groove (613) matched with the model clamping sleeve (609) is formed in the spherical surface plate (612), and an inner clamping groove (616) matched with the side clamping plate (611) is further formed in the position of the inner clamping groove (613).
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| CN117071919B (en) * | 2023-10-16 | 2024-02-23 | 山东天元建设机械有限公司 | Hanging device for steel structure |
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