Positioning device for steel structure welding

Abstract

The utility model relates to the technical field of positioning devices, and discloses a positioning device for welding a steel structure, which solves the problems that the positioning effect of the conventional positioning device on a cylindrical steel structure is unstable, and the steel structure cannot be effectively driven to reverse in the welding process, and comprises a bottom plate, a protective cover is fixedly installed in the middle of the top of the bottom plate, supporting strips are fixedly installed on the two sides of the top of the bottom plate correspondingly, first shaft sleeves are fixedly installed on the tops of the supporting strips correspondingly, rotating rings are rotationally installed in the first shaft sleeves correspondingly, and gear rings are fixedly installed at the ends, away from each other, of the two rotating rings correspondingly. Mounting cylinders are fixedly mounted at the ends, close to each other, of the two rotating rings, cushion hoops are fixedly mounted at the bottoms of the interiors of the two mounting cylinders, and positioning and reversing assemblies are arranged between the upper portions of the two mounting cylinders and the interior of the protective cover; the positioning device has a very good positioning effect on the cylindrical steel structure, and can effectively drive the steel structure to reverse in the welding process.

Description

Technical Field

[0001] The utility model belongs to the technical field of positioning devices, in particular to a positioning device used for steel structure welding. Background Art

[0002] Steel structure is a structure made of steel materials, which is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel and steel plates, and adopts rust removal and rust prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. The components or parts are usually connected by welds, bolts or rivets. Because of its light weight and simple construction, it is widely used in large factories, venues, super high-rise buildings, bridges and other fields. Steel structures are prone to rust. Generally, steel structures need to be rust-free, galvanized or painted, and maintained regularly. Welding processing is an important connection method for steel structures. The existing positioning device is more convenient for positioning rectangular and other angular steel structures, but the positioning effect is unstable for cylindrical steel structures, which will seriously affect the processing quality when there is a deviation in the docking. In addition, the existing positioning device cannot effectively drive the steel structure to change direction during the welding process, and its use effect is not good. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a positioning device for steel structure welding, which effectively solves the problem that the existing positioning device has an unstable positioning effect on cylindrical steel structures and cannot effectively drive the steel structure to change direction during the welding process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning device for steel structure welding, comprising a base plate, a protective cover is fixedly installed in the middle of the top of the base plate, support bars are fixedly installed on both sides of the top of the base plate, a first shaft sleeve is fixedly installed on the top of the support bar, a rotating circle is rotatably installed inside the first shaft sleeve, a gear ring is fixedly installed on the ends of the two rotating circles away from each other, a mounting tube is fixedly installed on the ends of the two rotating circles close to each other, a gasket is fixedly installed on the bottom of the two mounting tubes, and a positioning reversing component is provided between the upper parts of the two mounting tubes and the inside of the protective cover.

[0005] Preferably, the positioning and reversing assembly includes a connecting frame, a motor and two third shaft sleeves, the connecting frame is fixedly installed between the tops of the two mounting cylinders, the motor is fixedly installed at the bottom inside the protective cover, a second shaft sleeve is fixedly installed on one side of the top of the connecting frame, a first shaft rod is rotatably installed inside the second shaft sleeve, a hand wheel is fixedly installed on the top of the first shaft rod, a first sprocket is fixedly installed on the bottom of the first shaft rod, an axle seat is fixedly installed on one side of the top inside the connecting frame, a second sprocket is rotatably installed on the bottom of the axle seat, a chain is meshed and connected between the second sprocket and the first sprocket, and the two third shaft sleeves are symmetrically fixedly installed on the surface of the protective cover.

[0006] Preferably, the bottoms of the first sprocket and the second sprocket are fixedly installed with threaded rods, the surfaces of the threaded rods are threadedly connected with threaded sleeves, the surfaces of the threaded sleeves are sleeved with limiting sleeves, the two limiting sleeves are fixedly connected to the tops of the two mounting tubes respectively, and the bottoms of the threaded sleeves extend to the interior of the mounting tubes and are fixedly installed with clamping hoops.

[0007] Preferably, a first bevel gear is fixedly installed on the output end of the motor, a second bevel gear is meshingly connected to one side of the first bevel gear, second shaft rods are fixedly installed on both sides of the second bevel gear, the two second shaft rods are rotatably installed inside the two third shaft sleeves, fourth shaft sleeves are rotatably installed on the surfaces of the two second shaft rods, the two fourth shaft sleeves are respectively fixedly installed in the middle of the two support bars, gears are fixedly installed on the ends of the two second shaft rods away from each other, and the two gears are rotatably connected to the two gear rings respectively.

[0008] Compared with the prior art, the utility model has the following beneficial effects: the operator places two sections of steel structure cylinders on the gaskets inside the two installation tubes respectively, and assembles the joints of the two sections of steel structure cylinders, and then the operator drives the first shaft rod to rotate along the inside of the second shaft sleeve through the hand wheel, and the first shaft rod drives the first sprocket to rotate when rotating, and the first sprocket drives the second sprocket to rotate along the shaft seat through the chain, and when the second sprocket and the first sprocket rotate, they both drive the threaded sleeve to move downward along the inside of the limit sleeve through the threaded rod, and when the threaded sleeve moves downward, it drives the clamping hoop to press the steel structure cylinder;

[0009] After the two steel structure cylinders are pressed together, the operator starts to weld their joints. When one side of the joint of the two steel structure cylinders is welded, the operator starts the motor to drive the first bevel gear to rotate. The first bevel gear drives the two second shafts to rotate along the inside of the two third shaft sleeves and the fourth shaft sleeve through the second bevel gear. When the two second shafts rotate, they drive the gear rings to rotate through the gears. When the gear rings rotate, they drive the rotating circles to rotate along the inside of the first shaft sleeve. When the rotating circles rotate, they drive the steel structure cylinder to change direction through the mounting tube, so as to weld the other side of the steel structure cylinder. This makes the positioning device have a very good positioning effect on the cylindrical steel structure, and can effectively drive the steel structure to change direction during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0011] In the attached picture:

[0012] Figure 1 The schematic diagram of the positioning device used for steel structure welding of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The schematic diagram of the positioning device used for steel structure welding of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 The schematic diagram of the positioning device used for steel structure welding of the utility model is shown in FIG. Figure 3 ;

[0015] In the figure: 1, base plate; 2, protective cover; 3, support bar; 4, first sleeve; 5, rotating circle; 6, gear ring; 7, mounting tube; 8, washer; 9, connecting frame; 10, second sleeve; 11, first shaft rod; 12, first sprocket; 13, shaft seat; 14, second sprocket; 15, chain; 16, threaded rod; 17, threaded sleeve; 18, limit sleeve; 19, motor; 20, first bevel gear; 21, second bevel gear; 22, second shaft rod; 23, fourth sleeve; 24, gear; 25, hand wheel; 26, third sleeve; 27, clamping hoop. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0017] Depend on Figures 1 to 3 The utility model includes a base plate 1, a protective cover 2 is fixedly installed in the middle of the top of the base plate 1, support bars 3 are fixedly installed on both sides of the top of the base plate 1, a first shaft sleeve 4 is fixedly installed on the top of the support bar 3, a rotating circle 5 is rotatably installed inside the first shaft sleeve 4, a gear ring 6 is fixedly installed on the ends of the two rotating circles 5 away from each other, a mounting tube 7 is fixedly installed on the ends of the two rotating circles 5 close to each other, a gasket 8 is fixedly installed on the bottom of the two mounting tubes 7, and a positioning and reversing component is provided between the upper parts of the two mounting tubes 7 and the inside of the protective cover 2.

[0018] The operator places the two sections of the steel structure cylinder on the gaskets 8 inside the two installation tubes 7 respectively, and assembles the joints of the two sections of the steel structure cylinder. Then the operator presses the steel structure cylinder by adjusting the positioning and reversing assembly. After the two steel structure cylinders are pressed, the operator starts to weld their joints. When the welding of one side of the joint of the two steel structure cylinders is completed, the operator starts the positioning and reversing assembly to drive the gear ring 6 to rotate. When the gear ring 6 rotates, it drives the rotating ring 5 to rotate along the inside of the first sleeve 4. When the rotating ring 5 rotates, it drives the steel structure cylinder to change direction through the installation tube 7, so as to weld the other side of the steel structure cylinder. This makes the positioning device have a very good positioning effect on the cylindrical steel structure, and can effectively drive the steel structure to reverse during the welding process.

[0019] The positioning and reversing assembly includes a connecting frame 9, a motor 19, and two third shaft sleeves 26. The connecting frame 9 is fixedly installed between the tops of the two mounting tubes 7. The motor 19 is fixedly installed at the bottom of the protective cover 2. A second shaft sleeve 10 is fixedly installed on one side of the top of the connecting frame 9. A first shaft rod 11 is rotatably installed inside the second shaft sleeve 10. A hand wheel 25 is fixedly installed on the top of the first shaft rod 11. A first sprocket 12 is fixedly installed on the bottom of the first shaft rod 11. A shaft seat 13 is fixedly installed on one side of the top of the connecting frame 9. A second sprocket 14 is rotatably installed on the bottom of the shaft seat 13. A chain 15 is meshed and connected between the second sprocket 14 and the first sprocket 12. The two third shaft sleeves 26 are symmetrically fixedly installed on the surface of the protective cover 2. The bottoms of the first sprocket 12 and the second sprocket 14 are fixedly installed with threaded rods 16. The surface of the threaded rods 16 A threaded sleeve 17 is threadedly connected, and a limit sleeve 18 is sleeved on the surface of the threaded sleeve 17. The two limit sleeves 18 are fixedly connected to the tops of the two mounting tubes 7 respectively. The bottoms of the threaded sleeves 17 extend to the inside of the mounting tube 7 and are fixedly installed with a clamping hoop 27; a first bevel gear 20 is fixedly installed on the output end of the motor 19, and a second bevel gear 21 is meshedly connected to one side of the first bevel gear 20, and a second shaft rod 22 is fixedly installed on both sides of the second bevel gear 21. The two second shaft rods 22 are rotatably installed inside the two third shaft sleeves 26, and the surfaces of the two second shaft rods 22 are rotatably installed with fourth shaft sleeves 23. The two fourth shaft sleeves 23 are respectively fixedly installed in the middle of the two support bars 3, and a gear 24 is fixedly installed on the ends of the two second shaft rods 22 away from each other, and the two gears 24 are rotatably connected to the two ring gears 6 respectively.

[0020] The operator drives the first shaft rod 11 to rotate along the inside of the second sleeve 10 through the hand wheel 25. When the first shaft rod 11 rotates, it drives the first sprocket 12 to rotate. The first sprocket 12 drives the second sprocket 14 to rotate along the shaft seat 13 through the chain 15. When the second sprocket 14 and the first sprocket 12 rotate, they drive the threaded sleeve 17 to move downward along the inside of the limit sleeve 18 through the threaded rod 16. When the threaded sleeve 17 moves downward, it drives the clamping hoop 27 to press the steel structure cylinder; the operator starts the motor 19 to drive the first bevel gear 20 to rotate. The first bevel gear 20 drives the two second shaft rods 22 to rotate along the inside of the two third sleeves 26 and the fourth sleeve 23 through the second bevel gear 21. When the two second shaft rods 22 rotate, they drive the gear ring 6 to rotate through the gear 24.

Claims

1. A positioning device for steel structure welding, comprising a base plate (1), characterized in that: A protective cover (2) is fixedly mounted in the middle of the top of the bottom plate (1), support bars (3) are fixedly mounted on both sides of the top of the bottom plate (1), a first shaft sleeve (4) is fixedly mounted on the top of the support bar (3), a rotating ring (5) is rotatably mounted inside the first shaft sleeve (4), a gear ring (6) is fixedly mounted on the ends of the two rotating circles (5) that are away from each other, a mounting cylinder (7) is fixedly mounted on the ends of the two rotating circles (5) that are close to each other, a gasket (8) is fixedly mounted on the bottom of the two mounting cylinders (7), and a positioning reversing component is provided between the upper parts of the two mounting cylinders (7) and the inside of the protective cover (2).

2. A positioning device for steel structure welding according to claim 1, characterized in that: The positioning and reversing assembly comprises a connecting frame (9), a motor (19) and two third shaft sleeves (26); the connecting frame (9) is fixedly mounted between the tops of the two mounting cylinders (7); the motor (19) is fixedly mounted at the bottom of the protective cover (2); a second shaft sleeve (10) is fixedly mounted on one side of the top of the connecting frame (9); a first shaft rod (11) is rotatably mounted inside the second shaft sleeve (10); a hand wheel (25) is fixedly mounted on the top of the first shaft rod (11); a first sprocket (12) is fixedly mounted on the bottom of the first shaft rod (11); a shaft seat (13) is fixedly mounted on one side of the top of the connecting frame (9); a second sprocket (14) is rotatably mounted on the bottom of the shaft seat (13); a chain (15) is meshedly connected between the second sprocket (14) and the first sprocket (12); and the two third shaft sleeves (26) are symmetrically fixedly mounted on the surface of the protective cover (2).

3. A positioning device for steel structure welding according to claim 2, characterized in that: A threaded rod (16) is fixedly mounted at the bottom of each of the first sprocket (12) and the second sprocket (14); a threaded sleeve (17) is threadedly connected to the surface of each of the threaded rods (16); a limit sleeve (18) is sleeved on the surface of each of the threaded sleeves (17); the two limit sleeves (18) are respectively fixedly connected to the tops of the two mounting tubes (7); the bottoms of the threaded sleeves (17) extend into the interior of the mounting tubes (7) and are fixedly mounted with a clamping hoop (27).

4. A positioning device for steel structure welding according to claim 2, characterized in that: A first bevel gear (20) is fixedly mounted on the output end of the motor (19); a second bevel gear (21) is meshedly connected to one side of the first bevel gear (20); second shafts (22) are fixedly mounted on both sides of the second bevel gear (21); the two second shafts (22) are rotatably mounted inside two third shaft sleeves (26); fourth shaft sleeves (23) are rotatably mounted on the surfaces of the two second shafts (22); the two fourth shaft sleeves (23) are respectively fixedly mounted on the middle parts of the two support bars (3); gears (24) are fixedly mounted on the ends of the two second shafts (22) that are away from each other; the two gears (24) are respectively rotatably connected to the two gear rings (6).

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