CN116329863B - Welding device for lower chord ball joint of grid structure - Google Patents

Welding device for lower chord ball joint of grid structure Download PDF

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Publication number
CN116329863B
CN116329863B CN202310389905.1A CN202310389905A CN116329863B CN 116329863 B CN116329863 B CN 116329863B CN 202310389905 A CN202310389905 A CN 202310389905A CN 116329863 B CN116329863 B CN 116329863B
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China
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clamping
fixedly connected
rod
piece
welding
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CN116329863A (en
Inventor
马磊
杨坡
王振辉
杨茂亮
张欣
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China Construction Industrial and Energy Engineering Group Co Ltd
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China Construction Industrial and Energy Engineering Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04Auxiliary 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
    • B23K37/04Auxiliary 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
    • B23K37/0426Fixtures for other work
    • B23K37/0435Clamps
    • B23K37/0443Jigs

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The invention relates to the technical field of net racks of ball joints, in particular to a net rack structure lower chord ball joint welding device which comprises a base and an adjusting mechanism arranged at the top end of the base, wherein a welding slide rail is fixedly connected to the middle position of the outer surface of the base and is used for fixing ball joints, a fixing mechanism is arranged on the upper surface of the adjusting mechanism and is used for supporting rod pieces, a connecting mechanism is slidably arranged on the adjusting mechanism, the connecting mechanism, the fixing mechanism and a clamping mechanism are mutually matched, when welding of a plurality of hexagonal pyramid supporting units is carried out, the welding efficiency is improved, the connecting mechanism, the fixing mechanism and the clamping mechanism are mutually matched to carry out welding of the hexagonal pyramid supporting units in a mode similar to a mode of forming a die, and only the ball joints and the rod pieces are put into a designated position to carry out welding work without frequent positioning and aligning work on each rod piece and the ball joints.

Description

Welding device for lower chord ball joint of grid structure
Technical Field
The invention relates to the technical field of ball joint net racks, in particular to a net rack structure lower chord ball joint welding device.
Background
The space structure formed by connecting a plurality of rods through nodes according to a certain grid form has the advantages of small space stress, light weight, high rigidity, good earthquake resistance and the like, and the structure of the space structure is various, wherein the hexagonal pyramid system space structure belongs to one of the space structures.
The hexagonal pyramid system net rack is basically a hexagonal pyramid formed by six chords and a spherical node, then the hexagonal pyramid system net rack can be welded one by one in the construction process, or a hexagonal pyramid supporting unit is welded on the ground, and then the welded supporting units are assembled.
In the process of welding a single hexagonal pyramid supporting unit, a mode of welding six rod pieces in one hexagonal pyramid supporting unit on a ball joint one by one is generally adopted, and in this way, alignment and welding are required to be carried out once in the process of welding each rod piece and the ball joint, so that the welding efficiency is affected.
Disclosure of Invention
The invention provides a welding device for a lower chord ball joint of a grid structure, which solves the technical problem that a plurality of support units of the grid structure are required to be frequently welded after a rod piece and a ball joint are positioned in the welding process.
The invention provides a welding device for a lower chord ball joint of a grid structure, which comprises a base and an adjusting mechanism arranged at the top end of the base, wherein a welding sliding rail is fixedly connected to the middle position of the outer surface of the base.
The fixing mechanism is used for fixing the ball joint, and the fixing mechanism is arranged on the upper surface of the adjusting mechanism.
The connecting mechanism is used for supporting the rod piece, and the connecting mechanism is arranged on the adjusting mechanism in a sliding manner.
The clamping mechanism is used for fixing the rod piece, and the connecting mechanism is provided with the clamping mechanism in a sliding manner.
Coupling mechanism is a plurality of connection cutting ferrule of circumference array including sliding connection on adjustment mechanism, the inboard of connecting the cutting ferrule is connected with the auxiliary roller through the rotation of installation link, one side that adjustment mechanism center was kept away from to the connection cutting ferrule articulates there is the connection diaphragm, connection spout has all been seted up to connection diaphragm upper surface and front and back side, joint sliding connection has the connection sliding sleeve in the connection spout of connection diaphragm front and back side, the lower surface of connection sliding sleeve articulates there is fixed stay, fixed stay keeps away from the one end of connection sliding sleeve and connects the cutting ferrule and articulates.
The clamping mechanism comprises a supporting piece which is connected with the upper surface of the transverse plate in a sliding mode and used for supporting the rod piece, the lower surface of the supporting piece is provided with a clamping piece used for clamping the rod piece, and the supporting piece is arranged at one end, far away from the connecting clamping sleeve, of the supporting piece and one end, close to the connecting clamping sleeve, of the supporting piece, and is provided with a calibration piece used for calibrating the position of the rod piece.
According to the embodiment of the invention, the adjusting mechanism comprises the mounting plate fixedly connected to the upper surface of the base, a plurality of connecting columns are uniformly distributed on the circumferential surface of the mounting plate in a circumferential array, and one ends of the connecting columns, far away from the mounting plate, are fixedly connected with the connecting sliding rail together.
According to the embodiment of the invention, the fixing mechanism comprises a limiting sleeve fixedly connected to the upper surface of the adjusting mechanism, a connecting rod is connected to the inside of the limiting sleeve in a vertical sliding mode, and an electromagnet fixing seat is fixedly connected to the upper surface of the connecting rod.
According to the embodiment of the invention, the clamping piece comprises a first bidirectional electric push rod fixedly connected to the lower surface of the cross support plate, two telescopic ends of the first bidirectional electric push rod are fixedly connected with clamping plates, a plurality of air bag seats which are in linear distribution are fixedly connected to opposite surfaces of the two clamping plates, and air bags are fixedly connected to the air bag seats.
According to the embodiment of the invention, the supporting piece comprises a supporting sliding seat which is connected inside a connecting chute on the upper surface of the connecting transverse plate through an electric sliding block in a sliding mode, the top end of the supporting sliding seat is hinged with a connecting block, the top end of the connecting block is fixedly connected with a cross supporting plate, and a second bidirectional electric push rod is hinged between one surface of the supporting sliding seat, which is close to the connecting clamping sleeve, and the lower surface of the cross supporting plate.
According to the embodiment of the invention, the calibration piece comprises two symmetrical connecting struts which are fixedly connected at one end of the cross support plate far away from the connecting clamping sleeve and one end close to the connecting clamping sleeve and are symmetrical with each other by taking the connecting transverse plate as a reference, a support column is connected to one end of the connecting strut far away from the cross support plate in an up-down sliding manner, and a support belt is fixedly connected to the two support columns at the same end of the cross support plate together.
According to the embodiment of the invention, the welding robot can be placed on the welding slide rail and slide along the track of the welding slide rail to weld the ball joint and the rod piece.
The technical scheme of the invention is as follows: 1. when the welding work of a plurality of hexagonal pyramid supporting units is carried out through the mutual cooperation among the connecting mechanism, the fixing mechanism and the clamping mechanism, the welding efficiency is improved, the hexagonal pyramid supporting units are welded in a mode similar to the mode of forming a die through the mutual cooperation among the connecting mechanism, the fixing mechanism and the clamping mechanism, the welding work can be carried out only by putting the ball nodes and the rod members into specified positions, frequent positioning and aligning work is not required for each rod member and each ball node, meanwhile, the welding work can be carried out by using the hexagonal pyramid supporting units, the welding work can be carried out for other types of supporting units, and the number and the positions of the connecting mechanisms on the adjusting mechanism can be adjusted according to the supporting units required to be welded in the welding process of different supporting units, so that the welding work is suitable for the supporting units without types.
2. The rod pieces at different positions on the ball node can be attached through the arrangement of the connecting mechanism and the adjusting mechanism to adjust the inclination angle of the rod pieces, so that the rod pieces can be conveniently supported in the welding process of the rod pieces, the stability of the support is ensured, and the subsequent welding work is guaranteed.
3. The arrangement of the clamping mechanism can keep each rod piece stable in the welding process of the hexagonal pyramid supporting unit, and the accuracy of the welding position of the single rod piece between the single rod piece and the ball joint is ensured in the welding process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a three-dimensional structure of a welding device for a lower chord ball joint of a grid structure.
Fig. 2 is a top view of the welding device for the lower chord ball joint of the grid structure.
Fig. 3 is a schematic view of one of the connecting mechanism and the clamping mechanism provided by the present invention.
FIG. 4 is a schematic diagram of a second embodiment of the connecting mechanism and the clamping mechanism according to the present invention.
Fig. 5 is a right side view of fig. 3 provided by the present invention.
Fig. 6 is a schematic structural view of the hexagonal pyramid supporting unit provided by the present invention.
Reference numerals are used.
1. A base; 2. welding a sliding rail; 3. an adjusting mechanism; 4. a connecting mechanism; 5. a fixing mechanism; 6. a clamping mechanism; 31. the connecting slide rail; 32. a mounting plate; 33. a connecting column; 41. the sliding sleeve is connected; 42. fixing the support rod; 43. a connecting transverse plate; 44. a connecting clamping sleeve; 45. an auxiliary roller; 51. an electromagnet fixing seat; 52. a limit sleeve; 53. a connecting rod; 61. a clamping member; 62. a support; 63. a calibration piece; 611. an air bag; 612. an air bag seat; 613. a clamping plate; 614. a first bi-directional electric putter; 621. a cross support plate; 622. a second bidirectional electric push rod; 623. supporting a slide; 624. a connecting block; 631. a support column; 632. a connecting strut; 633. a support belt.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 6, a welding device for a lower chord ball joint of a grid structure comprises a base 1 and an adjusting mechanism 3 arranged at the top end of the base 1, wherein a welding sliding rail 2 is fixedly connected to the middle position of the outer surface of the base 1.
The fixing mechanism 5 is used for fixing the ball joint, and the fixing mechanism 5 is arranged on the upper surface of the adjusting mechanism 3.
The connecting mechanism 4 is used for supporting the rod piece, and the connecting mechanism 4 is arranged on the adjusting mechanism 3 in a sliding manner.
The clamping mechanism 6 is used for fixing the rod piece, and the clamping mechanism 6 is arranged on the connecting mechanism 4 in a sliding manner.
A welding robot can be placed on the welding slide rail 2, and slides along the track of the welding slide rail 2 to weld between the ball joint and the rod piece.
As shown in fig. 1, the fixing mechanism 5 includes a stop collar 52 fixedly connected to the upper surface of the adjusting mechanism 3, a connecting rod 53 is slidably connected to the inside of the stop collar 52 up and down, and an electromagnet fixing seat 51 is fixedly connected to the upper surface of the connecting rod 53.
When the device is specifically used, the ball node is firstly placed on the electromagnet fixing seat 51, then the electromagnet fixing seat 51 is electrified to adsorb the ball node, the ball node is fixed, and meanwhile, the height of the position of the ball node can be properly adjusted through the cooperation of the limiting sleeve 52 and the connecting rod 53, so that the ball node and the rod piece can be more conveniently aligned.
As shown in fig. 2, the adjusting mechanism 3 includes a mounting plate 32 fixedly connected to the upper surface of the base 1, a plurality of connecting columns 33 are uniformly distributed on the circumferential surface of the mounting plate 32 in a circumferential array, and one ends of the plurality of connecting columns 33, which are far away from the mounting plate 32, are fixedly connected with a connecting slide rail 31 together.
As shown in fig. 3, the connection mechanism 4 includes a plurality of connection cutting ferrule 44 that sliding connection is circumference array on connecting slide rail 31, the inboard of connection cutting ferrule 44 is connected with auxiliary roller 45 through the rotation of installation link, one side that adjustment mechanism 3 center was kept away from to connection cutting ferrule 44 articulates has connection diaphragm 43, connection spout has all been seted up to connection diaphragm 43 upper surface and front and back side, joint sliding connection has connection sliding sleeve 41 in the connection spout of connection diaphragm 43 front and back side, the lower surface of connection sliding sleeve 41 articulates there is fixed support bar 42, fixed support bar 42 is kept away from the one end of connection sliding sleeve 41 and is articulated with connection cutting ferrule 44.
The rod pieces at different positions on the ball joint can be attached through the arrangement of the connecting mechanism 4 and the adjusting mechanism 3 to adjust the inclination angle of the rod pieces, so that the rod pieces can be conveniently supported in the welding process of the rod pieces, the stability of the support is ensured, and the subsequent welding work is guaranteed.
When the connecting device is specifically used, firstly, the positions of the connecting transverse plates 43 on the connecting sliding rail 31 are adjusted through the connecting clamping sleeves 44 according to the positions of different rods on the hexagonal pyramid supporting unit, the positions of the connecting transverse plates 43 are in one-to-one correspondence with the positions of the rods on the hexagonal pyramid supporting unit, then, the positions of the connecting transverse plates 43 on the connecting clamping sleeves 44 are adjusted according to the positions of the rods on the ball joints and the inclination angles, the connecting transverse plates 43 are positioned through the matching of the fixed supporting rods 42 and the connecting sliding sleeves 41, the connecting transverse plates 43 can be kept motionless after the inclination angles are adjusted, the connecting sliding sleeves 41 and the connecting transverse plates 43 are kept relatively fixed through fastening bolts after the angle adjustment of the connecting transverse plates 43, at the moment, the fixed supporting rods 42 play a supporting role between the connecting transverse plates 43 and the connecting clamping sleeves 44 through the connecting sliding sleeves 41, and the auxiliary roller 45 can slide along the circumferential surface of the connecting sliding rail 31 through the arrangement of the auxiliary roller 45 when the connecting clamping sleeves 44 slide on the connecting sliding rail 31, and smooth sliding of the connecting clamping sleeves 44 is ensured.
As shown in fig. 3, the clamping mechanism 6 includes a supporting member 62 slidably connected inside the connecting chute on the upper surface of the connecting diaphragm 43 for supporting the rod, a clamping member 61 for clamping the rod is provided on the lower surface of the supporting member 62, and a calibration member 63 for calibrating the position of the rod is provided at one end of the supporting member 62 away from the connecting ferrule 44 and one end close to the connecting ferrule 44.
As shown in fig. 4 and 5, the supporting member 62 includes a supporting slide 623 slidably connected to the inside of the connecting chute on the upper surface of the connecting cross plate 43 by an electric slider, a connecting block 624 is hinged to the top end of the supporting slide 623, a cross supporting plate 621 is fixedly connected to the top end of the connecting block 624, and a second bidirectional electric push rod 622 is hinged between one surface of the supporting slide 623, which is close to the connecting sleeve 44, and the lower surface of the cross supporting plate 621.
As shown in fig. 4, the clamping piece 61 includes a first bi-directional electric push rod 614 fixedly connected to the lower surface of a cross support plate 621, two telescopic ends of the first bi-directional electric push rod 614 are fixedly connected with clamping plates 613, a plurality of air bag seats 612 in linear distribution are fixedly connected to opposite surfaces of the two clamping plates 613, and air bags 611 are fixedly connected to the air bag seats 612.
As shown in fig. 4, the calibration member 63 includes two symmetrical connection struts 632 with reference to the connection transverse plate 43, which are fixedly connected to one end of the cross support plate 621 far from the connection sleeve 44 and one end close to the connection sleeve 44, the connection struts 632 are connected to the support columns 631 in a sliding manner up and down at one end of the cross support plate 621 far from the cross support plate 621, two support columns 631 at the same end of the cross support plate 621 are fixedly connected with the support belt 633 together, and the support belt 633 is flexibly arranged.
The arrangement of the clamping mechanism 6 can keep each rod piece stable in the welding process of the hexagonal pyramid supporting unit, and the accuracy of the welding position of the single rod piece between the single rod piece and the ball joint is ensured in the welding process.
When the welding rod is specifically used, after the angle of the connection transverse plate 43 is adjusted, the rod is firstly placed on the cross support plate 621, at this time, the rod is simultaneously placed on the support belts 633 at the front end and the rear end of the cross support plate 621, because the support belts 633 are flexibly arranged, after the rod is placed on the support belts 633, the rod slides down to the middle position of the support belts 633, then the support columns 631 at the two ends of the support belts 633 are driven to slide down on the corresponding connection support rods 632 under the action of the dead weight of the rod until the rod is attached to the upper surface of the cross support plate 621, then the two clamping plates 613 are pushed to the rod to clamp the rod through the contraction of the first bidirectional electric push rod 614, the clamping plates 613 can be in more sufficient contact with the surfaces of the rod when the clamping plates 613 clamp the rod, so that the stress area is increased to ensure the clamping firmness of the rod, then the support slide seat 623 is driven to slide to the ball joint point on the connection transverse plate 43 through the displacement electric slide, after the ball joint point is approached, the inclination angle of the cross support plate 621 is adjusted through the second bidirectional electric push rod 622, the inclination angle of the rod is adjusted until the ball joint point is welded, and then the ball joint point is welded between the ball joint and the ball joint point is welded.
Working principle: when the welding machine is specifically used, firstly, the positions of the connecting transverse plates 43 on the connecting sliding rail 31 are adjusted through the connecting clamping sleeve 44 according to the structure of the hexagonal pyramid supporting unit, the positions of the connecting transverse plates 43 are in one-to-one correspondence with the positions of the rod pieces on the hexagonal pyramid supporting unit, then the positions of the connecting transverse plates 43 are fixed firmly through the matching of the fixed supporting rods 42 and the connecting sliding sleeves 41, then the ball joint is placed on the electromagnet fixing seat 51, the ball joint is fixed through the magnetic force generated by electrifying the electromagnet fixing seat 51, then the rod pieces are placed on the cross supporting plate 621, firstly, the positions of the rod pieces are calibrated through the matching of the supporting columns 631 and the supporting belts 633 to enable the rod pieces to be positioned at the middle position of the cross supporting plate 621, meanwhile, after the rod pieces are close to the upper surface of the cross supporting plate 621, the clamping plates 613 are driven by the first bidirectional electric pushing rods 614 to clamp the rod pieces, then the supporting sliding seats 623 slide on the connecting transverse plates 43, the welding ends of the rod pieces are close to ball joints, then the inclination angles of the rod pieces are adjusted through the second bidirectional pushing rods, the welding ends of the rod pieces are attached to the ball joint, the welding ends of the rod pieces are kept at the positions of the connecting transverse plates 51 on the connecting transverse plates 43, finally, the position of the rod pieces is kept fixed on the connecting transverse plates 43, the connecting transverse plates through the connecting transverse rods, the connecting rods are kept at the positions, the connecting rods to be fixed on the connecting rods, the connecting rods and the connecting rods are welded to the connecting rods, and the rod rods, and the rod rods are welded to the rod rods and the connecting rods.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "first," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", "second", "first", "second" may include at least one such feature, either explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims (4)

1. The utility model provides a wire frame structure lower chord ball node spot welding device which characterized in that: the welding device comprises a base (1) and an adjusting mechanism (3) arranged at the top end of the base (1), wherein a welding slide rail (2) is fixedly connected to the middle position of the outer surface of the base (1); the adjusting mechanism (3) comprises a mounting plate (32) fixedly connected to the upper surface of the base (1), a plurality of connecting columns (33) are uniformly distributed on the circumferential surface of the mounting plate (32) in a circumferential array, and one ends, far away from the mounting plate (32), of the connecting columns (33) are fixedly connected with a connecting sliding rail (31) together;
the fixing mechanism (5) is used for fixing the ball joint, and the fixing mechanism (5) is arranged on the upper surface of the adjusting mechanism (3);
the connecting mechanism (4) is used for supporting the rod piece, and the connecting mechanism (4) is arranged on the adjusting mechanism (3) in a sliding manner;
the clamping mechanism (6) is used for fixing the rod piece, and the clamping mechanism (6) is arranged on the connecting mechanism (4) in a sliding manner;
the connecting mechanism (4) comprises a plurality of connecting clamping sleeves (44) which are connected to the adjusting mechanism (3) in a sliding manner and are in a circumferential array, an auxiliary roller (45) is rotatably connected to the inner side of each connecting clamping sleeve (44) through a mounting connecting frame, a connecting transverse plate (43) is hinged to one side, away from the center of the adjusting mechanism (3), of each connecting clamping sleeve (44), connecting sliding grooves are formed in the upper surface, the front side and the rear side of each connecting transverse plate (43), connecting sliding sleeves (41) are connected in the connecting sliding grooves of the front side and the rear side of each connecting transverse plate (43) in a sliding manner, fixed supporting rods (42) are hinged to the lower surface of each connecting sliding sleeve (41), and one end, away from each connecting sliding sleeve (41), of each fixed supporting rod (42) is hinged to each connecting clamping sleeve (44);
the clamping mechanism (6) comprises a supporting piece (62) which is connected inside a connecting chute on the upper surface of the connecting transverse plate (43) in a sliding manner and used for supporting the rod piece, a clamping piece (61) used for clamping the rod piece is arranged on the lower surface of the supporting piece (62), and a calibrating piece (63) used for calibrating the position of the rod piece is arranged at one end, far away from the connecting clamping sleeve (44), of the supporting piece (62) and one end, close to the connecting clamping sleeve (44);
the clamping piece (61) comprises a first bidirectional electric push rod (614) fixedly connected to the lower surface of the supporting piece (62), clamping plates (613) are fixedly connected to two telescopic ends of the first bidirectional electric push rod (614), a plurality of air bag seats (612) which are linearly distributed are fixedly connected to opposite faces of the two clamping plates (613), and air bags (611) are fixedly connected to the air bag seats (612);
the support piece (62) comprises a support slide seat (623) which is connected to the inner part of a connecting chute on the upper surface of the connecting transverse plate (43) through an electric sliding block in a sliding mode, a connecting block (624) is hinged to the top end of the support slide seat (623), a cross support plate (621) is fixedly connected to the top end of the connecting block (624), and a second bidirectional electric push rod (622) is hinged between one surface, close to the connecting clamping sleeve (44), of the support slide seat (623) and the lower surface of the cross support plate (621).
2. The grid structure lower chord ball joint welding device according to claim 1, wherein: the fixing mechanism (5) comprises a limiting sleeve (52) fixedly connected to the upper surface of the adjusting mechanism (3), a connecting rod (53) is connected to the inside of the limiting sleeve (52) in a vertical sliding mode, and an electromagnet fixing seat (51) is fixedly connected to the upper surface of the connecting rod (53).
3. The grid structure lower chord ball joint welding device according to claim 1, wherein: the calibration piece (63) comprises two connecting struts (632) which are fixedly connected with one end of a cross support plate (621) far away from the connecting clamping sleeve (44) and one end close to the connecting clamping sleeve (44) and are symmetrical with the connecting transverse plate (43) serving as a reference, support columns (631) are connected with one end of the connecting struts (632) far away from the cross support plate (621) in a vertical sliding mode, and support belts (633) are fixedly connected with the support columns (631) together on the two support columns (631) at the same end of the cross support plate (621).
4. The grid structure lower chord ball joint welding device according to claim 1, wherein: and a welding robot is placed on the welding slide rail (2), and slides along the track of the welding slide rail (2) to weld the ball joint and the rod piece.
CN202310389905.1A 2023-04-12 2023-04-12 Welding device for lower chord ball joint of grid structure Active CN116329863B (en)

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CN118143561B (en) * 2024-05-13 2024-07-05 中建五局第三建设有限公司 Auxiliary device for welding steel structure net rack of gymnasium and use method thereof

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CN104481156A (en) * 2014-11-25 2015-04-01 河南亚鹰钢结构幕墙工程有限公司 Lofting method for rod pieces on welded ball of grid frame
CN108915278A (en) * 2018-09-14 2018-11-30 山西建筑工程集团有限公司 Ball node rack junior unit ground welding support spells loose tool
CN108915279A (en) * 2018-09-14 2018-11-30 山西建筑工程集团有限公司 Ball node rack junior unit ground welding grabs spelling loose tool
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CN213926695U (en) * 2020-09-30 2021-08-10 广东省建筑设计研究院有限公司 An adjustable support node for the lower string of a grid frame
CN217151399U (en) * 2022-05-05 2022-08-09 中国建筑第二工程局有限公司 Adjustable support device for assembling net rack lower chord ball

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