CN212470317U - Large-span curve steel box girder welding and fixing device - Google Patents

Abstract

The utility model discloses a large-span curved steel box girder welding and fixing device, which comprises a ground track, side supporting rods and main supporting rods; the moving blocks are arc-shaped sliding blocks corresponding to the curved surface tracks, the moving blocks can move on the linear tracks and can also move on the curved surface tracks, according to the structure of a steel box girder to be welded, the middle position of a plate block to be welded is fixed on the main fixing plate, a fixing groove is formed between the main fixing plate and the vertical fixing plate, the plate block to be welded is fixed, the controller controls the driving motor to drive the moving blocks on two sides to approach the main support rod, so that the side fixing plate is in contact with the side edge of the plate block to be welded, the heights of the main support rod and the side support rod are adjusted through the telescopic motor, the plate block to be welded is supported to a welding height position, corresponding welding plate blocks are respectively fixed on the two welding units, the driving motor is controlled to move, adjacent magnetic clamping shafts are.

Description

Large-span curve steel box girder welding and fixing device

Technical Field

The utility model relates to a welding auditor field specifically is a large-span curve steel box girder welded fastening device.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called as a steel box girder because the steel box girder is shaped like a box. In a large-span cable support bridge, the span of a steel box girder reaches hundreds of meters and up to thousands of meters, the steel box girder is generally manufactured and installed by a plurality of beam sections, the cross section of the steel box girder has the characteristics of wide width and flat appearance, and the height-to-width ratio reaches about 1: 10. The steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. The top plate is an orthotropic bridge deck composed of a cover plate and longitudinal stiffening ribs. Along with the rapid development of the building industry, besides excellent anti-seismic performance, the requirement of a large building on visual attractiveness is higher and higher, in order to meet the visual attractiveness requirement of the large building (particularly a high-rise building), more and more large complex special-shaped steel structures need to be built, and the large complex special-shaped steel structures are often characterized by irregular shapes, multi-curved-surface torsion and the like, so that great challenge is brought to the building work.

In the arc beam main part welding step, a welding machine is placed on a gantry welding jig frame to be welded in the conventional method for large-scale steel structures, but the welding mode is difficult to meet the welding requirement of arc main welding seams in the arc beams, in addition, the traditional gas shield welding construction efficiency is low, the welding defects are more, the welding seams are not attractive in shape, and the welding requirement is difficult to meet the standard requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-span curve steel box girder welded fastening device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a welding and fixing device for a large-span curved steel box girder comprises a ground placing track, side supporting rods and main supporting rods; the ground placing track comprises a linear track and a curved track, the two linear tracks are arranged in parallel, the tail ends of the two linear tracks are connected to the curved track, and the linear tracks and the curved track are connected to form a curved annular structure; three moving blocks are slidably mounted on the grounding rail, and driving motors are arranged on the side edges of the three moving blocks; a main support rod is fixed above the moving blocks relatively positioned in the middle, and side support rods are fixed above the moving blocks relatively positioned at two sides; the top of the main supporting rod is provided with a main fixing plate, and a vertical fixing plate is arranged on the main fixing plate; the side support rod is provided with a side fixing plate, and the two tail ends of the side fixing plate are provided with magnetic suction clamping shafts.

Preferably, the side surface of the curved track is provided with a limiting side plate, the limiting side plate is provided with a positioning caulking groove, and one side of the moving block is provided with an elastic clamping protrusion corresponding to the positioning caulking groove.

Preferably, displacement sensors are arranged on the moving blocks, the displacement sensors are connected to a controller, the controller is connected to the driving motor through a wireless communication module, and a starting moving module and a positioning closing module are arranged on the controller.

Preferably, the main support rod and the side support rod are both electric telescopic rods, telescopic motors are arranged in the electric telescopic rods, and the telescopic motors are connected to the controller.

Preferably, the three moving blocks and the parts on the moving blocks form a welding fixing unit, two or more welding fixing units are installed on the grounding rail, and the magnetism of the corresponding magnetic clamping shafts on the two adjacent welding fixing units is different.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, strong practicability and high flexibility; according to a steel box girder structure to be welded, the middle position of a plate block of a part to be welded is fixed on a main fixing plate, a fixing groove is formed between the main fixing plate and a vertical fixing plate, the plate block of the part to be welded is fixed, a driving motor is controlled by a controller to drive moving blocks on two sides to approach a main support rod, so that the side fixing plate is in contact with the side edge of the plate block of the part to be welded, the heights of the main support rod and the side support rod are adjusted by a telescopic motor, the plate block to be welded is supported to a welding height position, corresponding welding plate blocks are respectively fixed on two welding units, the driving motor is controlled to move, adjacent magnetic clamping shafts are in butt joint, and.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the ground track of the present invention.

In the figure: 1. a ground track; 11. a linear track; 12. a curved track; 2. a moving block; 3. a drive motor; 4. a main support bar; 5. a side support bar; 6. a main fixing plate; 7. a vertical fixing plate; 8. side fixing plates; 9. the shaft is magnetically attracted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a welding and fixing device for a large-span curved steel box girder comprises a ground placing track 1, side supporting rods 5 and main supporting rods 4; the ground placing track 1 comprises a linear track 11 and a curved track 12, the two linear tracks 11 are arranged in parallel, the tail ends of the two linear tracks 11 are connected to the curved track 12, and the linear tracks 11 and the curved track 12 are connected to form a curved annular structure; the three moving blocks 2 are slidably mounted on the grounding track 1, and driving motors 3 are arranged on the side edges of the three moving blocks 2; a main support rod 4 is fixed above the moving block 2 relatively positioned in the middle, and side support rods 5 are fixed above the moving blocks 2 relatively positioned at two sides; the top of the main supporting rod 4 is provided with a main fixing plate 6, and the main fixing plate 6 is provided with a vertical fixing plate 7; the side support rod 5 is provided with a side fixing plate 8, and two ends of the side fixing plate 8 are provided with magnetic clamping shafts 9.

Furthermore, the side of the curved track 12 is provided with a limiting side plate, the limiting side plate is provided with a positioning caulking groove, and one side of the moving block 2 is provided with an elastic clamping protrusion corresponding to the positioning caulking groove.

Further, displacement sensors are arranged on the moving blocks 2 and connected to a controller, the controller is connected to a driving motor through a wireless communication module, and a starting moving module and a positioning closing module are arranged on the controller.

Further, main tributary vaulting pole 4 and side bracing piece 5 are electric telescopic handle, are provided with flexible motor in the electric telescopic handle, and flexible motor is connected to the controller.

Furthermore, the three moving blocks 2 and the components on the moving blocks 2 form a welding and fixing unit, two or more than two welding and fixing units are installed on the grounding track 1, and the magnetism of the corresponding magnetic clamping shafts 9 on the two adjacent welding and fixing units is different.

The working principle is as follows: the ground placing track 1 comprises a linear track 11 and a curved track 12, the two linear tracks 11 are arranged in parallel, the tail ends of the two linear tracks 11 are connected to the curved track 12, and the linear tracks 11 and the curved track 12 are connected to form a curved annular structure; the three moving blocks 2 are slidably mounted on the grounding track 1, and driving motors 3 are arranged on the side edges of the three moving blocks 2; the moving block 2 is an arc-shaped sliding block corresponding to the curved track 12, can move on the linear track 11 and also can move on the curved track 12,

a main support rod 4 is fixed above the moving block 2 relatively positioned in the middle, and side support rods 5 are fixed above the moving blocks 2 relatively positioned at two sides; the top of the main supporting rod 4 is provided with a main fixing plate 6, and the main fixing plate 6 is provided with a vertical fixing plate 7; the welding device is characterized in that a side fixing plate 8 is arranged on the side supporting rod 5, magnetic clamping shafts 9 are arranged at two tail ends of the side fixing plate 8, the middle position of a plate block of a part to be welded is fixed on a main fixing plate 6 according to a steel box girder structure to be welded, a fixing groove is formed between the main fixing plate 6 and a vertical fixing plate 7, the plate block of the part to be welded is fixed, a driving motor 3 is controlled by a controller to drive moving blocks 2 at two sides to approach to a main supporting rod 4, so that the side fixing plate 8 is contacted with the side edge of the plate block of the part to be welded, the heights of the main supporting rod 5 and the side supporting rod 6 are adjusted by a telescopic motor, the plate block to be welded is supported to a welding height position, corresponding welding plate blocks are respectively fixed on two welding units, and the driving motor 3; when the plate to be welded is of a bottom curved surface structure, the main support rod 5 and the side support rod 6 are different in height, and when the side surface of the plate to be welded is of a curved surface structure, the moving block 2 moves to the curved surface track 12.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the existing well-known technology, and the electrical connection relation and the specific circuit structure of the device are not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a large-span curve steel box girder welded fastening device which characterized in that: comprises a ground track (1), a side supporting rod (5) and a main supporting rod (4); the ground placing track (1) comprises a linear track (11) and a curved track (12), the two linear tracks (11) are arranged in parallel, the tail ends of the two linear tracks (11) are connected to the curved track (12), and the linear tracks (11) and the curved track (12) are connected to form a curved annular structure; three moving blocks (2) are slidably mounted on the grounding rail (1), and driving motors (3) are arranged on the side edges of the three moving blocks (2); a main support rod (4) is fixed above the moving block (2) relatively positioned in the middle, and side support rods (5) are fixed above the moving blocks (2) relatively positioned on two sides; a main fixing plate (6) is arranged at the top of the main supporting rod (4), and a vertical fixing plate (7) is arranged on the main fixing plate (6); the side support rod (5) is provided with a side fixing plate (8), and two ends of the side fixing plate (8) are provided with magnetic clamping shafts (9).

2. The large-span curved steel box girder welding and fixing device of claim 1, wherein: the side of the curved surface track (12) is provided with a limiting side plate, a positioning caulking groove is formed in the limiting side plate, and an elastic clamping protrusion corresponding to the positioning caulking groove is formed in one side of the moving block (2).

3. The large-span curved steel box girder welding and fixing device of claim 1, wherein: the moving blocks (2) are all provided with displacement sensors, the displacement sensors are connected to a controller, the controller is connected to a driving motor through a wireless communication module, and a starting moving module and a positioning closing module are arranged on the controller.

4. The large-span curved steel box girder welding and fixing device of claim 1, wherein: the main support rod (4) and the side support rods (5) are both electric telescopic rods, telescopic motors are arranged in the electric telescopic rods, and the telescopic motors are connected to the controller.

5. The large-span curved steel box girder welding and fixing device of claim 1, wherein: the three moving blocks (2) and the parts on the moving blocks (2) form a welding and fixing unit, two or more than two welding and fixing units are installed on the grounding track (1), and the magnetism of the corresponding magnetic clamping shafts (9) on the two adjacent welding and fixing units is different.

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