Multifunctional positioning mould for welding prestressed beam reinforcing mesh

Abstract

The invention discloses a multifunctional positioning mould for prestressed beam reinforcing mesh welding, which belongs to the technical field of welding devices and comprises a base, transverse frames and longitudinal frames, the transverse frames and the longitudinal frames are positioned on the base, transverse adjusting rods in sliding connection are arranged on the two groups of longitudinal frames, and longitudinal adjusting rods in sliding connection are arranged between the two groups of transverse frames. Adjusting assemblies are arranged on the longitudinal frame and the longitudinal adjusting rods, each adjusting assembly comprises a sliding table and an adjusting plate located on the sliding table, the adjusting plates are rotationally connected with the sliding tables through the positioning columns and the arc-shaped notches, and second steel bar notches are formed in the adjusting plates on the longitudinal frame. And a reinforcing steel bar limiting assembly is arranged on the adjusting plate on the longitudinal adjusting rod. The transverse and longitudinal distance of the reinforcing steel bar can be conveniently adjusted through the transverse adjusting rod and the longitudinal adjusting rod; and meanwhile, through rotation of the adjusting plate and the sliding table, inclined steel bars can be arranged, the device is suitable for welding of steel bar meshes of various sizes, the time for replacing the fixed clamping fixture can be avoided, and the welding efficiency is effectively improved.

Description

Technical Field

[0001] The invention belongs to the technical field of welding devices, and in particular relates to a multifunctional positioning jig for welding prestressed beam steel meshes. Background Art

[0002] At present, during the construction stage of prefabricated box girder reinforcement binding, the prestressed extraction tube needs to be inserted into the bound steel bars so that the prestressed channel can be reserved in advance when the concrete is poured; therefore, a positioning mesh is needed to fix the extraction tube when inserting it. When traditional prestressed beam steel mesh is made, the steel bars arranged vertically and horizontally are welded to form a steel mesh, and the extraction tube passes through the steel mesh and is fixed by the steel mesh; however, when welding the steel mesh, the welders mostly hold the steel bars by hand. Since welding requires precise positioning, the positioning mesh welded by the hand-held steel bars mostly does not meet the requirements of the specifications, resulting in large material loss and more labor time.

[0003] The Chinese patent with the authorization announcement number CN218926730U discloses a multifunctional positioning jig for welding prestressed beam steel mesh in high-speed railways. The scheme includes a jig body and a slot for fixing steel bars, which can fix steel bars and prevent them from shifting during welding, thereby reducing the output of defective positioning mesh and improving the welding efficiency of welders. However, the slot fixation of this scheme cannot be adjusted, and each size of jig can only correspond to the corresponding size of steel mesh, which cannot meet the needs of welding steel meshes of different sizes, and the cost of multiple jigs is high.

[0004] The Chinese patent with the authorization announcement number CN212946294U discloses a welding jig for steel mesh for prefabricated components, which includes a locking mechanism, a crossbar, and a vertical rod connected to the crossbar. The locking mechanism can be used to lock the steel skeleton for easy welding, and the position of the locking mechanism can be adjusted to achieve welding of steel mesh with different size requirements. However, this solution can only adjust the steel mesh that is perpendicular to each other horizontally and vertically, and cannot form a steel mesh with a certain angle. It is not suitable for many box beams, which limits the utilization rate of the jig.

[0005] Therefore, a welding jig is needed that can flexibly adjust the spacing of the mesh and at the same time form a clamping function. Summary of the invention

[0006] The purpose of the present invention is to provide a multifunctional positioning jig for welding prestressed beam steel meshes to solve the problems existing in the background technology.

[0007] The objective of the present invention is achieved through the following technical solutions: A multifunctional positioning jig for welding prestressed beam steel mesh, comprising a base and a transverse frame and a longitudinal frame located on the base, wherein the transverse frame and the longitudinal frame enclose a rectangular frame structure, two groups of longitudinal frames are provided with transverse adjustment rods in sliding connection, a longitudinal adjustment rod in sliding connection is provided between the two groups of transverse frames, a plurality of groups of first steel bar notches are provided on the transverse adjustment rods, the plurality of groups of the first steel bar notches are slidably connected to the transverse adjustment rods, and the axis of the first steel bar notches is parallel to the axis of the longitudinal frame; The longitudinal frame and the longitudinal adjustment rod are both provided with adjustment components, and the adjustment components include a sliding platform and an adjustment plate located on the sliding platform, a positioning column is provided on the sliding platform, and a matching arc-shaped notch is provided on the adjustment plate corresponding to the position of the positioning column, and the adjustment plate is rotatably connected to the sliding platform through the positioning column and the arc-shaped notch, a second steel bar notch is provided on the adjustment plate on the longitudinal frame, and a steel bar limiting component is provided on the adjustment plate on the longitudinal adjustment rod.

[0008] Furthermore, the transverse frame and the longitudinal frame are located on the same horizontal plane, the transverse adjustment rod is located above the longitudinal frame, and the longitudinal adjustment rod is located below the transverse adjustment rod.

[0009] Furthermore, sliding seats are respectively provided at both ends of the transverse adjustment rod and the longitudinal adjustment rod, the sliding platform and the sliding seat are both inverted U-shaped structures, bosses are provided on the inner sides of the sliding platform and the sliding seat, and the transverse adjustment rod, the longitudinal adjustment rod, the transverse frame and the longitudinal frame are all provided with sliding grooves that are compatible with the corresponding bosses.

[0010] Furthermore, locking blocks are provided on the sides of the sliding platform and the sliding seat.

[0011] Furthermore, the first steel bar slot and the second steel bar slot have the same size specifications and are both U-shaped structures, a movable slot is provided on the transverse adjustment rod corresponding to the bottom of the first steel bar slot, a magnet is provided at the bottom of the first steel bar slot, the height of the second steel bar slot is higher than the height of the first steel bar slot, and the second steel bar slot and the steel bar are now at the same height as an assembly.

[0012] Furthermore, the first steel bar slot and the second steel bar slot are split structures, and a telescopic spring is provided in the middle of the split parts of the first steel bar slot and the second steel bar slot.

[0013] Furthermore, the cross-section of the steel bar limiting assembly is a U-shaped structure, and magnets are provided on both sides of the steel bar limiting assembly.

[0014] Furthermore, a spring pressure cap is provided at the center of the adjustment plate.

[0015] Furthermore, a fixture plate is provided on the longitudinal frame, and the fixture plate spans across the two groups of longitudinal frames. The fixture plate is a right-angled trapezoidal structure, and steps are provided on the hypotenuse of the fixture plate corresponding to the position of the sliding table, and the sliding table adjusts the distance through the steps.

[0016] The beneficial effects of the present invention are: 1) The distance between the steel bars can be easily adjusted through the transverse adjustment rod and the longitudinal adjustment rod. It is suitable for welding square steel mesh of various sizes, effectively improving the welding efficiency.

[0017] 2) By rotating the adjustment plate and the sliding table, inclined steel bars can be arranged, which is suitable for steel mesh with angles and expands the utilization range of the mold.

[0018] 3) The fixture plate can be used to quickly arrange the inclined short beams, thus improving the layout efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional diagram of a multifunctional positioning jig for welding prestressed beam steel mesh according to the present invention; Figure 2 This is a working schematic diagram of Example 1; Figure 3 This is a working schematic diagram of Example 2; Figure 4 is a schematic diagram of an adjustment component on a vertical adjustment rod in the present invention; Figure 5 is a schematic diagram of an adjustment component on a vertical frame of the present invention; Figure 6 It is a three-dimensional diagram of the locking block in the present invention; Figure 7 is a schematic diagram of the first steel bar notch in the present invention; Figure 8 It is a three-dimensional diagram of the fixture plate in the present invention; In the figure, 1-base, 2-horizontal frame, 3-longitudinal frame, 4-horizontal adjustment rod, 41-first steel bar notch, 42-movable groove, 43-telescopic spring, 44-locking piece, 5-longitudinal adjustment rod, 6-adjustment assembly, 61-sliding table, 62-adjustment plate, 63-positioning column, 64-arc notch, 65-second steel bar notch, 66-spring pressure cap, 67-steel bar limiting assembly, 68-fixing piece, 69-boss, 610-locking block, 611-locking block, 612-torsion spring, 613-limiting block, 7-sliding seat, 8-clamp plate, 81-step. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0021] Example 1 like Figure 1-Figure 2 A multifunctional positioning jig for welding prestressed beam steel mesh, comprising a base 1 and a transverse frame 2 and a longitudinal frame 3 located on the base 1, wherein the transverse frame 2 and the longitudinal frame 3 enclose a rectangular frame structure, two groups of the longitudinal frames 3 are provided with transverse adjustment rods 4 that are slidably connected, and a longitudinal adjustment rod 5 that is slidably connected is provided between the two groups of the transverse frames 2, and the transverse adjustment rod 4 is provided with a plurality of groups of first steel bar notches 41, and the plurality of groups of the first steel bar notches 41 are slidably connected to the transverse adjustment rod 4, and the axis of the first steel bar notch 41 is parallel to the axis of the longitudinal frame 3; The longitudinal frame 3 and the longitudinal adjustment rod 5 are both provided with an adjustment assembly 6, and the adjustment assembly 6 includes a sliding platform 61 and an adjustment plate 62 located on the sliding platform 61, a second steel bar groove 65 is provided on the adjustment plate 62 on the longitudinal frame 3, and a steel bar limiting assembly 67 is provided on the adjustment plate 62 on the longitudinal adjustment rod 5.

[0022] Through the above technical solutions and reference Figure 2 According to the size of the steel mesh and the number of steel bars to be welded, the transverse adjustment rod 4 and the longitudinal adjustment rod 5 are adjusted. Since the transverse adjustment rod 4 can slide on the longitudinal frames 3 on both sides, and the longitudinal adjustment rod 5 can slide on the transverse frames 2 on both sides, it can be easily adjusted. The transverse adjustment rod 4 is used to support the longitudinal long steel bars. Since the transverse adjustment rod 4 is provided with a plurality of first steel bar notches 41 that can be slidably connected, the first steel bar notches 41 with corresponding numbers and spacings can be arranged according to the number and spacing of the longitudinal long steel bars. The plurality of transverse adjustment rods 4 can effectively support the middle part of the longitudinal long steel bars, reduce the bending caused by the self-weight of the long steel bars, and facilitate subsequent welding.

[0023] The longitudinal frame 3 and the longitudinal adjustment rod 5 are provided with a slidable adjustment component 6, and the adjustment component 6 is provided with a second steel bar slot 65 and a steel bar limiting component 67 for placing transverse short steel bars. The corresponding adjustment components 6 are arranged according to the number and spacing of the transverse short steel bars. Every three transverse adjustment components 6 form a group to support the same short steel bar. The second steel bar slot 65 and the steel bar limiting component 67 are at the same height and have the same axis. At the same time, the axis of the second steel bar slot 65 is perpendicular to the axis of the first steel bar slot 41, which is convenient for fixing the welded square grid steel mesh.

[0024] Since the transverse frame 2 and the longitudinal frame 3 are located in the same horizontal plane, the transverse adjustment rod 4 is located above the longitudinal frame 3, and the longitudinal adjustment rod 5 is located below the transverse adjustment rod 4. At the same time, since the height of the second steel bar notch 65 is higher than the height of the first steel bar notch 41, the longitudinal long steel bar is located below the transverse short steel bar, which is also applicable to the actual situation that the number of long steel bars in the steel mesh is less than the number of short steel bars. The distance between the steel bars can be conveniently adjusted by the transverse adjustment rod 4 and the longitudinal adjustment rod 5, which is applicable to the welding of square steel meshes of various sizes, and effectively improves the welding efficiency.

[0025] Further, specifically Figure 2 , Figure 4 , Figure 5 As shown, the adjustment component 6 is slidably connected to the longitudinal frame 3 and the longitudinal adjustment rod 5 respectively through a sliding platform 61, and sliding seats 7 are respectively provided at both ends of the transverse adjustment rod 4 and the longitudinal adjustment rod 5. The sliding platform 61 and the sliding seat 7 are both inverted U-shaped structures, which can be easily snapped together without falling off. At the same time, bosses 69 are provided on the inner sides of the sliding platform 61 and the sliding seat 7. The transverse adjustment rod 4, the longitudinal adjustment rod 5, the transverse frame 2 and the longitudinal frame 3 are all provided with sliding grooves compatible with the corresponding bosses 69, and the sliding connection is achieved through the cooperation of the bosses 69 and the sliding grooves.

[0026] Furthermore, if Figure 6 As shown, locking blocks 610 are provided on the sides of the sliding platform 61 and the sliding seat 7, and the locking blocks 610 include a locking block 611 and a torsion spring 612. The locking block 611 is a T-shaped structure, one end of the locking block 611 extends into the side wall of the corresponding sliding platform 61 or the sliding seat 7, one end of the torsion spring 612 is connected to the locking block 611, and the other end of the torsion spring 612 is connected to the side wall. The locking block 611 is located on the outer side of the side wall and is provided with a limiting block 613. When the locking block 611 is screwed in, the torsion spring 612 will be driven to store force, and one end of the locking block 611 penetrates to complete the locking of the corresponding sliding platform 61 or the sliding seat 7, while the outer part of the locking block 611 is resisted by the limiting block 613 and will not reset. When locking is not required, the locking block 611 is rotated in the opposite direction to reset under the action of the torsion spring 612. By setting the locking block 610, the corresponding sliding platform 61 and the sliding seat 7 can be locked and no longer slide, so that the steel mesh will not deviate after being arranged, which is convenient for subsequent welding.

[0027] In another embodiment, the locking block 610 is connected to the side wall of the sliding platform 61 or the sliding seat 7 by threads, and locking is performed by screwing in the locking block 610 .

[0028] Furthermore, if Figure 7As shown, the first steel bar notch 41 and the second steel bar notch 65 have the same size and specifications and are both U-shaped structures. The bottom of the first steel bar notch 41 is provided with a moving groove 42 on the transverse adjustment rod 4, and the bottom of the first steel bar notch 41 is provided with a locking member 44. The height of the second steel bar notch 65 is higher than the height of the first steel bar notch 41. The second steel bar notch 65 and the steel bar are at the same height. The cross section of the steel bar limiting assembly 67 is a U-shaped structure, and fixing members 68 are provided on both sides of the steel bar limiting assembly 67.

[0029] The first steel bar slot 41, the second steel bar slot 65 and the steel bar limiting assembly 67 all adopt a U-shaped structure, which is convenient for placing and limiting the steel bars. The first steel bar slot 41 can slide on the movable slot 42 on the transverse adjustment rod 4, which is convenient for adjusting the spacing and increasing the first steel bar slot 41 to adapt to steel meshes of different specifications. The second steel bar slot 65 and the adjustment plate 62 are detachably connected. The bottom of the first steel mesh and the second steel mesh are provided with a locking piece 44, which can be a locking screw or a magnet, and can fix the first steel mesh and the second steel mesh to prevent the steel bars from shaking after placement; at the same time, the fixing pieces 68 arranged on both sides of the steel bar limiting assembly 67 can be locking screws or magnets, which are used to fix the steel bar limiting assembly 67.

[0030] Furthermore, the first steel bar slot 41, the second steel bar slot 65 and the steel bar limiting assembly 67 can adopt a split structure, and the distance of the U-shaped opening can be adjusted through the middle telescopic spring 43 to facilitate the placement of steel bars of different diameters, further improving the adaptation to the fixing requirements of different steel meshes.

[0031] Example 2 On the basis of Example 1, Figure 3-Figure 8 As shown, the adjustment component 6 includes a sliding table 61 and an adjustment plate 62 located on the sliding table 61, a positioning column 63 is provided on the sliding table 61, and a matching arc-shaped notch 64 is provided on the adjustment plate 62 corresponding to the position of the positioning column 63, and the adjustment plate 62 is rotatably connected to the sliding table 61 through the positioning column 63 and the arc-shaped notch 64, and a steering column is provided at the center of the sliding table 61, and the steering column extends out of the adjustment plate, and a spring pressure cap 66 is provided on the steering column.

[0032] The adjusting plate 62 rotates around the steering column, so that the adjusting plate 62 can adjust the corresponding angle through the cooperation of the arc notch 64 and the positioning column 63, driving the second steel bar notch 65 and the steel bar limiting assembly 67 on the adjusting plate 62 to rotate, so that the short steel bars placed on the second steel bar notch 65 and the steel bar limiting assembly 67 form an angle with the long steel bars, thereby achieving the arrangement and welding of the steel mesh required by the angle. At the same time, the adjusting plate 62 can be locked with the sliding table 61 by tightening the spring pressure cap 66 to prevent the adjustment plate from deflecting after the rotation is completed.

[0033] Furthermore, a fixture plate 8 is provided on the longitudinal frame 3 , and the fixture plate 8 spans across the two groups of longitudinal frames 3 . The fixture plate 8 is a right-angled trapezoidal structure, and a step 81 is provided on the hypotenuse of the fixture plate 8 corresponding to the position of the sliding table 61 , and the sliding table 61 adjusts the distance through the step 81 .

[0034] Through the above technical solution, such as Figure 3 As shown, when arranging the inclined short cross beam, the position of a group of three sliding tables 61 is adjusted by the pre-made fixture plate 8, and the fixture plate 8 limits the sliding table 61 through the step 81. At this time, the short steel bar is placed obliquely on the second steel bar notch 65 and the steel bar limiting assembly 67 to keep it parallel to the hypotenuse of the fixture plate 8. At this time, the angle between the short steel bar and the long steel bar is the required angle, and the arrangement of the short steel bar can be completed by locking the adjustment plate 62 and the sliding table 61. The inclined short cross beam can be quickly arranged by the fixture plate 8, which improves the arrangement efficiency.

[0035] The above is only a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, and should be within the scope of protection of the claims attached to the present invention.

Claims

1. A multifunctional positioning jig for welding prestressed beam steel mesh, characterized in that: The invention comprises a base (1) and a transverse frame (2) and a longitudinal frame (3) located on the base (1), wherein the transverse frame (2) and the longitudinal frame (3) enclose a rectangular frame structure, two groups of the longitudinal frames (3) are provided with transverse adjustment rods (4) which are slidably connected, and a longitudinal adjustment rod (5) which is slidably connected is provided between the two groups of the transverse frames (2), and the transverse adjustment rods (4) are provided with a plurality of groups of first steel bar notches (41), and the plurality of groups of the first steel bar notches (41) are slidably connected to the transverse adjustment rods (4), and the axes of the first steel bar notches (41) are parallel to the axes of the longitudinal frames (3); The longitudinal frame (3) and the longitudinal adjustment rod (5) are both provided with an adjustment assembly (6), the adjustment assembly (6) comprising a sliding platform (61) and an adjustment plate (62) located on the sliding platform (61), the sliding platform (61) is provided with a positioning column (63), the adjustment plate (62) is provided with a matching arc-shaped notch (64) at a position corresponding to the positioning column (63), the adjustment plate (62) is rotatably connected to the sliding platform (61) via the positioning column (63) and the arc-shaped notch (64), the adjustment plate (62) on the longitudinal frame (3) is provided with a second steel bar notch (65), and the adjustment plate (62) on the longitudinal adjustment rod (5) is provided with a steel bar limiting assembly (67).

2. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 1 is characterized in that: The transverse frame (2) and the longitudinal frame (3) are located on the same horizontal plane, the transverse adjustment rod (4) is located above the longitudinal frame (3), and the longitudinal adjustment rod (5) is located below the transverse adjustment rod (4).

3. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 1 is characterized in that: Both ends of the transverse adjustment rod (4) and the longitudinal adjustment rod (5) are respectively provided with a sliding seat (7); the sliding platform (61) and the sliding seat (7) are both inverted U-shaped structures; the inner sides of the sliding platform (61) and the sliding seat (7) are provided with a boss (69); and the transverse adjustment rod (4), the longitudinal adjustment rod (5), the transverse frame (2) and the longitudinal frame (3) are all provided with a sliding groove matched with the corresponding boss (69).

4. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 3 is characterized in that: The sides of the sliding platform (61) and the sliding seat (7) are both provided with locking blocks (610), and one end of the locking block (610) extends into the side wall of the corresponding sliding platform (61) or sliding seat (7).

5. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 1 is characterized in that: The first steel bar notch (41) and the second steel bar notch (65) have the same size and specifications and are both U-shaped structures; a movable groove (42) is provided on the transverse adjustment rod (4) corresponding to the bottom of the first steel bar notch (41); a locking piece (44) is provided at the bottom of the first steel bar notch (41); the height of the second steel bar notch (65) is higher than the height of the first steel bar notch (41); and the second steel bar notch (65) and the steel bar are now at the same height.

6. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 5, characterized in that: The first steel bar slot (41) and the second steel bar slot (65) are split structures, and a telescopic spring (43) is provided in the middle of the split parts of the first steel bar slot (41) and the second steel bar slot (65).

7. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 1 is characterized in that: The cross-section of the steel bar limiting component (67) is a U-shaped structure, and fixing pieces (68) are provided on both sides of the steel bar limiting component (67).

8. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 1, characterized in that: A steering column is provided at the center of the sliding platform (61), the steering column extends out of the adjustment plate (62), and a spring pressure cap (66) is provided on the steering column.

9. The multifunctional positioning jig for welding prestressed beam steel mesh according to claim 1, characterized in that: A fixture plate (8) is provided on the longitudinal frame (3), and the fixture plate (8) spans across the two groups of longitudinal frames (3). The fixture plate (8) is a right-angled trapezoidal structure, and a step (81) is provided at the position of the oblique side of the fixture plate (8) corresponding to the sliding platform (61), and the distance of the sliding platform (61) is adjusted by the step (81).

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