CN111570987B - Method for processing multi-cavity steel plate shear wall steel bar truss - Google Patents
Method for processing multi-cavity steel plate shear wall steel bar truss Download PDFInfo
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- CN111570987B CN111570987B CN202010441095.6A CN202010441095A CN111570987B CN 111570987 B CN111570987 B CN 111570987B CN 202010441095 A CN202010441095 A CN 202010441095A CN 111570987 B CN111570987 B CN 111570987B
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/02—Pressure butt 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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Abstract
The invention relates to a method for processing a multi-cavity steel plate shear wall steel bar truss, which belongs to the technical field of steel bar truss production and comprises the following operation steps: the first step is as follows: a pair of angle steels are placed on a welding preposed material roller bed frame, bent steel bars are placed at the upper end between the two angle steels, angle steel positioning guide frames are used for positioning and guiding the angle steels, and the distance between the angle steels and the bent steel bars is controlled through a turnover positioning assembly. The second step is that: the steel bar truss conveying assembly compresses the steel bar truss and pulls the steel bar truss to move. The third step: and the upper electrode and the lower electrode are used for welding the wave crests and the wave troughs of the bent steel bars and the angle steel. The fourth step: and the steel bar truss conveying assemblies on the sides of the welding rear material roller way frame and the welding front material roller way frame are synchronously matched to finish the process of pulling the steel bar truss to move. Has the advantages of compact structure, complete functions, short processing period and strong quality stability. The production and processing cost is reduced, and the mass and high-quality production and manufacturing technology is realized.
Description
Technical Field
The invention relates to the technical field of steel bar truss production, in particular to a method for processing a multi-cavity steel plate shear wall steel bar truss.
Background
Trusses are widely used in steel structures, for example, in roof trusses of roofs of industrial and civil buildings, crane beams, i.e., crane trusses, bridges, towers, beams or booms of cranes, hydraulic gates, offshore oil production platforms, and the like, steel trusses are often used as main members of load-bearing structures. Various types of steel mesh frames which are more adopted in a large-span public building roof structure belong to space steel trusses. Various types of towers, such as television, power transmission, drilling, crane towers and mast towers, are often space steel trusses consisting of three, four or more planar trusses.
Planar trusses, which are essentially lattice-type beams under lateral loads, are most commonly used. Compared with a solid-web steel beam, the steel truss is characterized in that a flange is replaced by a chord member and a web member is replaced by a web member, and the web member and the chord member are connected with each other at each node through a gusset plate or other parts by welding seams or other connections; sometimes, the members may be welded or otherwise connected directly to each other without the gusset plate. Thus, the bending moment when the whole plane truss is bent is expressed as the axial compression and tension of the upper chord and the lower chord, and the shearing force is expressed as the axial compression or tension of each web member.
Compared with a solid web beam, the steel truss replaces an integral web plate with sparse web members, and the rod members mainly bear axial force, so that steel is saved, and the self weight of the structure is reduced. This makes the steel truss particularly suitable for structures with large spans or heights. In addition, the steel truss can be conveniently manufactured into various required shapes according to different use requirements. Secondly, because the amount of steel used for the web members is reduced compared with that of the web plates of the solid web girders, the steel truss can be made to have larger height and thus higher rigidity. Because the steel truss has more rod pieces and nodes and more complex structures, the manufacturing is more labor-consuming.
Disclosure of Invention
The invention mainly solves the defects of high manual manufacturing cost, poor splice welding stability and incapability of realizing mass production in the prior art, and provides the processing method of the multi-cavity steel plate shear wall steel bar truss, which has the advantages of compact structure, complete functions, short processing period and strong quality stability. The production and processing cost is reduced, and the mass and high-quality production and manufacturing technology is realized.
The technical problem of the invention is mainly solved by the following technical scheme:
a processing method of a multi-cavity steel plate shear wall steel bar truss comprises the following operation steps:
the first step is as follows: a pair of angle steels are placed on a welding preposed material roller way frame in a mirror symmetry mode, bent steel bars are placed at the upper end between the two angle steels, angle steel positioning guide frames are arranged at the front end and the rear end of the welding preposed material roller way frame to position and guide a steel bar truss before pre-welding, and the distance between the angle steels and the bent steel bars is controlled through a turnover positioning assembly on the welding preposed material roller way frame.
The second step is that: when the steel bar truss is conveyed to the welding rear material roller bed frame from the welding front material roller bed frame, the steel bar truss is compressed and pulled to move through the steel bar truss conveying assembly on the side edge of the welding front material roller bed frame.
The third step: when the steel bar truss starts to move, the upper electrode and the lower electrode on the welding gantry above the front end of the welding rear material roller rack are used for welding the wave crests and the wave troughs of the bent steel bars and the bent angle steel.
The width position of the lower electrode is adjusted through the position of the angle steel positioning guide frame to realize synchronous size adjustment, the upper electrode is adjusted in height position through the welding lifting adjusting cylinder, and the width size of the upper electrode is adjusted through displacement driving of the welding frame on the adjusting welding gantry.
The fourth step: after the steel bar truss is welded for one section, the steel bar truss conveying assembly on the side edge of the welding rear material roller way frame compresses the steel bar truss and is synchronously matched with the steel bar truss conveying assembly on the side edge of the welding front material roller way frame to complete the process of pulling the steel bar truss to move.
Preferably, the steel bar truss conveying assembly presses the steel bar truss by the steel bar truss conveying pressing plate, the pressing plate air cylinder lifts the steel bar truss conveying pressing plate up and down, the steel bar truss conveying rack and the steel bar truss conveying rack are driven by the steel bar truss conveying servo motor to perform tooth-shaped meshing transmission displacement, and the steel bar truss conveying rack is welded at the upper end of the steel bar truss conveying rack.
Preferably, a plurality of guide limiting guide rails are arranged between the end face of the welding gantry and the welding frame and between the end face of the steel bar truss conveying rack and the steel bar truss conveying rack, and the guide limiting guide rails play a role in guiding the displacement operation of the welding frame and the steel bar truss conveying rack.
Preferably, the pressing plate cylinder and the steel bar truss conveying frame are fixedly connected through a transitional connection mounting frame; a plurality of limiting cylindrical rods which are in inserted and embedded type clamping connection with the wave crests and the wave troughs of the bent steel bars are arranged between the lower end of the steel bar truss conveying pressing plate and the two angle steels.
As preferred, before angle steel and the reinforcing bar welding of bending, the location slat on the upset locating component carries on spacingly to the reinforcing bar that bends.
Preferably, the overturning arm is driven by the up-and-down stretching of the overturning elastic limiting cylinder to overturn up and down for displacement, and the overturning of the overturning arm realizes that the positioning strip plate fixed at the front end limits the bent steel bars.
Preferably, the angle steel positioning guide frame limits the position and the size of two ends of the angle steel through a pair of angle steel positioning rollers, the angle steel positioning rollers are fixed on a roller sliding base which is in inserted and embedded type clamping connection with the roller sliding guide rail, and the distance adjusting process is realized by the aid of the expansion of a roller adjusting cylinder.
Preferably, the welding rear material roller way frame and the welding front material roller way frame both adopt a structure that a plurality of driven rollers which are fixedly sleeved with the roller way frame in a bearing mode are arranged in the roller way frame to realize unpowered roller way platforms of the steel bar truss on the welding rear material roller way frame and the welding front material roller way frame.
Preferably, the welding frame is driven by a welding frame servo motor to perform tooth-shaped meshing transmission displacement with a welding frame rack, and the welding frame rack is welded at the upper end of the welding gantry.
The invention can achieve the following effects:
compared with the prior art, the processing method of the multi-cavity steel plate shear wall steel bar truss has the advantages of compact structure, complete functions, short processing period and strong quality stability. The production and processing cost is reduced, and the mass and high-quality production and manufacturing technology is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the flip positioning assembly of the present invention.
Fig. 3 is a schematic structural view of a steel bar truss transfer assembly of the present invention.
Fig. 4 is a schematic view illustrating a structural principle of the steel bar truss transfer of the present invention.
In the figure: welding rear material roller bed frame 1, welding gantry 2, welding frame rack 3, welding frame servo motor 4, welding frame 5, welding lifting adjusting cylinder 6, upper electrode 7, lower electrode 8, steel bar truss conveying assembly 9, welding front material roller bed frame 10, steel bar truss 11, overturning positioning assembly 12, steel bar positioning guide frame 13, steel bar 14, bending steel bar 15, steel bar positioning roller 16, roller sliding guide rail 17, roller adjusting cylinder 18, overturning arm 19, positioning slat 20, overturning elastic limiting cylinder 21, roller bed frame 22, driven roller 23, roller sliding base 24, guiding limiting guide rail 25, steel bar truss conveying rack 26, steel bar truss conveying servo motor 27, steel bar truss conveying frame 28, transitional connection mounting frame 29, steel bar truss conveying frame 30, pressing plate cylinder 31, steel bar truss conveying pressing plate 32 and limiting cylindrical rod 33.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in the figure, the processing method of the multi-cavity steel plate shear wall steel bar truss comprises the following operation steps:
the first step is as follows: firstly, a pair of angle steels 14 are placed on a welding preposed material roller bed 10 in a mirror symmetry mode, bent steel bars 15 are placed at the upper end between the two angle steels 14, angle steel positioning guide frames 13 are arranged at the front end and the rear end of the welding preposed material roller bed 10 respectively to position and guide a pre-welded steel bar truss 11, the angle steel positioning guide frames 13 limit the position and the size of the two ends of the angle steels 14 through a pair of angle steel positioning rollers 16, the angle steel positioning rollers 16 are fixed on roller sliding bases 24 which are inserted into and clamped with roller sliding guide rails 17, and the distance adjusting process is realized by the expansion of roller adjusting cylinders 18.
The distance between the angle steel 14 and the bending steel bar 15 is controlled by welding the overturning positioning component 12 on the preposed material roller rack 10. Before the angle steel 14 and the bent reinforcing steel bar 15 are welded, the positioning lath 20 on the overturning positioning assembly 12 limits the bent reinforcing steel bar 15. The turning arm 19 is driven to carry out vertical turning displacement through vertical stretching of the turning elastic limiting cylinder 21, and the turning of the turning arm 19 realizes that the positioning batten 20 fixed at the front end limits the bent steel bars 15.
The second step is that: when the steel bar truss 11 is conveyed to the welding rear material roller way frame 1 from the welding front material roller way frame 10, the welding rear material roller way frame 1 and the welding front material roller way frame 10 both adopt 77 driven rollers 23 which are arranged in the roller way frame 22 and are fixedly sleeved with the roller way frame 22 in a bearing mode to realize an unpowered roller way platform structure of the steel bar truss 11 on the welding rear material roller way frame 1 and the welding front material roller way frame 10. The steel bar truss conveying assembly 9 on the side of the welding preposed material roller rack 10 compresses the steel bar truss 11 and pulls the steel bar truss 11 to displace. The steel bar truss conveying assembly 9 presses the steel bar truss 11 through the steel bar truss conveying pressing plate 32, the pressing plate air cylinder 31 lifts the steel bar truss conveying pressing plate 32 up and down, and the pressing plate air cylinder 31 and the steel bar truss conveying frame 28 are fixedly connected through the transitional connection mounting frame 29. A plurality of limiting cylindrical rods 33 which are in inserted-embedded type clamping connection with the wave crests and the wave troughs of the bent steel bars 15 are arranged between the lower end of the steel bar truss conveying pressing plate 32 and the two angle steels 14. The steel bar truss transmission rack 28 and the steel bar truss transmission rack 26 are driven to perform tooth-shaped meshing transmission displacement through the steel bar truss transmission servo motor 27, and the steel bar truss transmission rack 26 is welded at the upper end of the steel bar truss transmission rack 30. 2 guide limit guide rails 25 are arranged between the end face of the steel bar truss conveying rack 30 and the steel bar truss conveying rack 28, and the guide limit guide rails 25 play a role in guiding the displacement operation of the steel bar truss conveying rack 28.
The third step: when the steel bar truss 11 starts to move, the upper electrode 7 and the lower electrode 8 on the welding gantry 2 above the front end of the welding rear material roller bed frame 1 are used for welding the wave crest and the wave trough positions of the bent steel bar 15 and the angle steel 14. The upper electrode 7 is pressed down through the cylinder and is pressed tightly at the trough or the wave crest of the bent reinforcing steel bar 15 to form a current loop with the lower electrode 8, so that the resistance welding process is completed. The width position of the lower electrode 8 is adjusted through the position of the angle steel positioning guide frame 13 to realize synchronous size adjustment, the height position of the upper electrode 7 is adjusted by the welding lifting adjusting cylinder 6, and the width size of the upper electrode 7 is adjusted through displacement driving by adjusting the welding frame 5 on the welding gantry 2. The welding frame 5 drives the welding frame 5 and the welding frame rack 3 to perform tooth-shaped meshing transmission displacement by adopting the welding frame servo motor 4, and the welding frame rack 3 is welded at the upper end of the welding gantry 2. 2 guide limit guide rails 25 are arranged between the end face of the welding gantry 2 and the welding frame 5, and the guide limit guide rails 25 play a role in guiding the displacement operation of the welding frame 5.
The fourth step: after the steel bar truss 11 is welded for one section, the steel bar truss conveying assembly 9 welded on the side of the rear material roller way frame 1 compresses the steel bar truss 11 to be synchronously matched with the steel bar truss conveying assembly 9 welded on the side of the front material roller way frame 10 to complete the process of pulling the steel bar truss 11 to move. The steel bar truss conveying assembly 9 presses the steel bar truss 11 through the steel bar truss conveying pressing plate 32, the pressing plate air cylinder 31 lifts the steel bar truss conveying pressing plate 32 up and down, and the pressing plate air cylinder 31 and the steel bar truss conveying frame 28 are fixedly connected through the transitional connection mounting frame 29. Limiting cylindrical rods 33 which are connected with the wave crests and the wave troughs of the bent steel bars 15 in an inserting and embedding manner are arranged between the lower end of the steel bar truss conveying pressing plate 32 and the two angle steels 14. The steel bar truss transmission rack 28 and the steel bar truss transmission rack 26 are driven to perform tooth-shaped meshing transmission displacement through the steel bar truss transmission servo motor 27, and the steel bar truss transmission rack 26 is welded at the upper end of the steel bar truss transmission rack 30. 2 guide limit guide rails 25 are arranged between the end face of the steel bar truss conveying rack 30 and the steel bar truss conveying rack 28, and the guide limit guide rails 25 play a role in guiding the displacement operation of the steel bar truss conveying rack 28.
In summary, the processing method of the multi-cavity steel plate shear wall steel bar truss has the advantages of compact structure, complete functions, short processing period and strong quality stability. The production and processing cost is reduced, and the mass and high-quality production and manufacturing technology is realized.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (6)
1. A processing method of a multi-cavity steel plate shear wall steel bar truss is characterized by comprising the following operation steps:
the first step is as follows: firstly, a pair of angle steels (14) are placed on a welding preposed material roller way frame (10) in a mirror symmetry mode, bent steel bars (15) are placed at the upper end between the two angle steels (14), angle steel positioning guide frames (13) are arranged at the front end and the rear end of the welding preposed material roller way frame (10) to position and guide a steel bar truss (11) before pre-welding, and the distance between the angle steels (14) and the bent steel bars (15) is controlled through a turnover positioning assembly (12) on the welding preposed material roller way frame (10);
the second step is that: when the steel bar truss (11) is conveyed from the welding preposed material roller way frame (10) to the welding postposition material roller way frame (1), the steel bar truss (11) is pressed tightly by a steel bar truss conveying assembly (9) at the side of the welding preposed material roller way frame (10) and the steel bar truss (11) is pulled to move;
the third step: when the steel bar truss (11) starts to move, welding upper electrodes (7) and lower electrodes (8) on a welding gantry (2) above the front end of the rear material roller rack (1) to the wave crest and the wave trough positions of bent steel bars (15) and angle steel (14);
the width position of the lower electrode (8) is adjusted through the position of an angle steel positioning guide frame (13) to realize synchronous size adjustment, the height position of the upper electrode (7) is adjusted by adopting a welding lifting adjusting cylinder (6), and the width size of the upper electrode (7) is adjusted through displacement driving by adjusting a welding frame (5) on a welding gantry (2); a plurality of guide limiting guide rails (25) are arranged between the end face of the welding gantry (2) and the welding frame (5) and between the end face of the steel bar truss conveying rack (30) and the steel bar truss conveying frame (28), and the guide limiting guide rails (25) are used for guiding the displacement operation of the welding frame (5) and the steel bar truss conveying frame (28);
the fourth step: after the steel bar truss (11) is welded for a section, a steel bar truss conveying assembly (9) on the side of the welding rear material roller way frame (1) compresses the steel bar truss (11) and is synchronously matched with a steel bar truss conveying assembly (9) on the side of the welding front material roller way frame (10) to finish the process of pulling the steel bar truss (11) to displace;
the steel bar truss conveying assembly (9) adopts a steel bar truss conveying pressing plate (32) to press the steel bar truss (11), a pressing plate air cylinder (31) lifts the steel bar truss conveying pressing plate (32) up and down, and the pressing plate air cylinder (31) and the steel bar truss conveying frame (28) are connected and fixed through a transitional connection mounting frame (29); a plurality of limiting cylindrical rods (33) which are in inserted embedding type clamping connection with wave crests and wave troughs of the bent steel bars (15) are arranged between the lower end of the steel bar truss conveying pressing plate (32) and the two angle steels (14); the steel bar truss transmission rack (28) and a steel bar truss transmission rack (26) are driven to perform tooth-shaped meshing transmission displacement through a steel bar truss transmission servo motor (27), and the steel bar truss transmission rack (26) is welded at the upper end of a steel bar truss transmission rack (30); a plurality of guide limiting guide rails (25) are arranged between the end face of the welding gantry (2) and the welding frame (5) and between the end face of the steel bar truss conveying rack (30) and the steel bar truss conveying frame (28), and the guide limiting guide rails (25) are used for guiding the displacement operation of the welding frame (5) and the steel bar truss conveying frame (28).
2. The processing method of the multi-cavity steel plate shear wall steel bar truss according to claim 1, characterized by comprising the following steps of: before the angle steel (14) and the bent reinforcing steel bar (15) are welded, the positioning lath (20) on the overturning positioning assembly (12) limits the bent reinforcing steel bar (15).
3. The processing method of the multi-cavity steel plate shear wall steel bar truss according to claim 2, characterized by comprising the following steps of: the turning arm (19) is driven to turn up and down for displacement through the up-down stretching of the turning elastic limiting cylinder (21), and the turning of the turning arm (19) realizes the limitation of the positioning strip plate (20) fixed at the front end on the bent steel bar (15).
4. The processing method of the multi-cavity steel plate shear wall steel bar truss according to claim 1, characterized by comprising the following steps of: the angle steel positioning guide frame (13) limits the position and size of two ends of angle steel (14) through a pair of angle steel positioning rollers (16), the angle steel positioning rollers (16) are fixed on roller sliding bases (24) which are mutually inserted and clamped with roller sliding guide rails (17), and the distance adjusting process is realized by the aid of the telescopic roller adjusting cylinders (18).
5. The processing method of the multi-cavity steel plate shear wall steel bar truss according to claim 1, characterized by comprising the following steps of: the welding rear material roller way frame (1) and the welding front material roller way frame (10) are both provided with a plurality of driven rollers (23) which are fixedly sleeved with the roller way frame (22) in a bearing mode in the roller way frame (22) so as to realize the unpowered roller way platform structure of the steel bar truss (11) on the welding rear material roller way frame (1) and the welding front material roller way frame (10).
6. The processing method of the multi-cavity steel plate shear wall steel bar truss according to claim 1, characterized by comprising the following steps of: the welding frame (5) drives the welding frame (5) and the welding frame rack (3) to perform tooth-shaped meshing transmission displacement by adopting the welding frame servo motor (4), and the welding frame rack (3) is welded at the upper end of the welding gantry (2).
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| CN112814197A (en) * | 2021-02-22 | 2021-05-18 | 浙江中南建设集团钢结构有限公司 | Assembling jig frame and assembling method for steel plate combined wall |
| CN114669697B (en) * | 2022-03-28 | 2023-04-11 | 江西中一建工集团有限公司 | Equipment and method for manufacturing assembly type building steel bar truss structure |
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