CN219561933U - Steel bar positioning welding device for pre-buried section steel of subway station - Google Patents

Abstract

The utility model relates to the technical field of pre-buried steel plates of subway stations, in particular to a steel bar positioning and welding device for pre-buried section steel of a subway station. The related steel bar positioning welding device for the pre-buried section steel of the subway station is arranged on the surface of the section steel to be welded with the steel bars; the steel bar positioning and welding device is provided with a positioning frame fixed on the section steel; a positioning ruler is arranged in the middle of the positioning frame; the positioning ruler is provided with a plurality of movable sliding blocks for positioning the welding positions of the steel bars; the movable slide block is of a structure capable of freely sliding along the positioning ruler; the movable slide block is provided with a support frame, one end of the support frame is fixed on the movable slide block, and the other end of the support frame is provided with a steel bar fixer for placing steel bars. The utility model has small occupied space after disassembly, convenient and quick assembly, simple structure, convenient and quick assembly and repeated turnover use, overcomes the problem that manual hand can not ensure the welding angle, and improves the welding quality.

Description

Steel bar positioning welding device for pre-buried section steel of subway station

Technical Field

The utility model relates to the technical field of pre-buried steel plates of subway stations, in particular to a steel bar positioning and welding device for pre-buried section steel of a subway station.

Background

In the construction process of the civil air defense door of the subway station, the section steel is required to be pre-buried, and in order to ensure firm connection between the section steel and the concrete, the section steel is required to be welded with reinforcing steel bars; the steel bar is welded by manual welding frequently, the steel bar is positioned by hands, the welding angle is difficult to control, the welding randomness is high, the welding quality is difficult to ensure, and the construction quality is influenced.

Disclosure of Invention

The utility model aims to provide a steel bar welding device for pre-buried section steel of a subway station, which can conveniently fix steel bars and realize positioning welding of the steel bars.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the steel bar positioning and welding device for the pre-buried section steel of the subway station is arranged on the surface of the section steel to be welded with the steel bar; the steel bar positioning and welding device is provided with a positioning frame fixed on the section steel; a positioning ruler is arranged in the middle of the positioning frame; the positioning ruler is provided with a plurality of movable sliding blocks for positioning the welding positions of the steel bars; the movable slide block is of a structure capable of freely sliding along the positioning ruler; the movable slide block is provided with a support frame, one end of the support frame is fixed on the movable slide block, and the other end of the support frame is provided with a steel bar fixer for placing steel bars.

The locating frame is provided with a screw, and the screw is provided with a bayonet clamped with the profile steel.

The screw rod is telescopic structure, the screw rod upper end is provided with the rocker that can realize fixed frame reciprocates.

Compared with the prior art, the steel bar positioning and welding device for the pre-buried section steel of the subway station has the following beneficial effects:

1. the device is divided, occupies small space after disassembly, is convenient and quick to assemble, has a simple structure, is convenient and quick to assemble, and can be repeatedly recycled.

2. The welding position of the steel bar is vertical to the profile steel, the problem that the welding angle cannot be guaranteed by manual hand is solved, and the welding quality is improved.

3. The positioning of a plurality of groups of steel bars can be performed by one-time operation according to the addition of a plurality of groups of sliding blocks, so that the welding progress is improved.

4. The positioning rule ensures the accuracy of the welding position of the steel bars and improves the accuracy of the positions of the steel bars.

5. The height of the device can be freely adjusted through the arrangement of the screw rod, the requirements of pre-buried welding and positioning of steel bars with different sizes are met, and the applicability of the device is wider.

Drawings

Fig. 1 is a schematic structural view of a reinforcement positioning and welding device for pre-buried section steel of a subway station;

FIG. 2 is a schematic view of the structure of the support frame, the movable slider and the positioning rule;

FIG. 3 is a schematic diagram of the connection relationship of the screw, rocker and bayonet;

the marks in the figure: 1. the steel bar fixing device comprises a locating frame, 2, a screw rod, 3, a bayonet, 4, a locating ruler, 5, a movable sliding block, 6, a supporting frame, 7, a steel bar fixing device, 8, a sliding block notch, 9, a rocker, 10, a matching nut, 11 and a bolt.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

The utility model provides a structural schematic diagram of a steel bar welding device for a pre-buried steel plate of a subway station, which is shown in fig. 1.

The structure schematic diagram of the support frame, the movable slide block and the positioning rule is shown in fig. 2, the size of the movable slide block 5 is slightly larger than that of the positioning rule 4, and the movable slide block can freely slide on the positioning rule 4 and can slide out and be installed from two ends of the positioning rule; a plug opening is arranged above the movable slide block 5, and the support frame 6 can be plugged into the plug opening of the movable slide block 5. The support frame is ┍, one end of the support frame is plugged into a plug opening of the movable sliding block 5, and the other end of the support frame is connected with the reinforcing steel bar fixer 7.

As shown in fig. 3, one end of the bayonet 3 is provided with a hole and a nut 10 is arranged, and the nut 10 is matched with the screw 2; the lower end of the screw rod 2 is connected with the positioning frame 1, and the upper end of the screw rod is connected with the rocker 9 through a bolt 11. And the rocker 9 is rotated, and the screw rod 2 drives the positioning frame 1 to move up and down.

Working principle: a movable slide block 5 is arranged on the positioning ruler 4, and a support frame 6 is plugged into a plug opening of the movable slide block 5; the bayonet 3 is rotated, at which time a matching nut 10 inside the bayonet 3 connects to the screw 2. The screws 2 at the two ends of the positioning frame 1 are sequentially connected with the bayonet 3; the rocker 9 is connected with the screw rod 2 by using a bolt 11, so that the whole device is assembled. The bayonet 3 is hung on the profile steel, the rocker 9 is rotated, the screw rod 2 drives the positioning frame 1 to move up and down, the position of the moving sliding block 5 is adjusted, the sliding block notch 8 is matched with the positioning ruler 4, the welding position of the reinforcing steel bar is positioned, the reinforcing steel bar is placed on the reinforcing steel bar fixer 7, and the welding machine is used for reinforcing steel bar welding.

The utility model provides a steel bar positioning and welding device for pre-buried section steel of a subway station, which is convenient to disassemble and assemble, simple and reliable in structural composition, capable of accelerating the welding progress of the steel bars, improving the welding quality and ensuring the accuracy of the welding position of the steel bars. The setting of screw rod can drive the locating frame and reciprocate for the practicality of device is wider. The bayonet can firmly fix the device on the profile steel, so that the reliability is improved. The number of the movable sliding blocks can be set according to the needs, the movable sliding blocks are matched with the positioning ruler, so that the positions of the reinforcing steel bars can be accurately and rapidly positioned, and the accuracy of the welding positions of the reinforcing steel bars is ensured. The whole set of device can be operated by one person, thereby reducing the workload and saving the labor cost.

Construction notes:

1. before use, each component of the whole device is inspected, so that the size and shape of each component are ensured, and particularly the flatness and verticality of the positioning frame and the positioning ruler are inspected with importance on inspection, so that the deformation of the positioning ruler is prevented.

2. The support frame is plugged tightly when being plugged into the movable slide block, and is firmly fixed, so that the support frame is ensured to be vertical to the positioning ruler.

3. Derusting the surface of the section steel, removing impurities, checking whether the surface of the section steel is leveled and smooth, and polishing if necessary.

4. When the rocker is rotated, the horizontal position of the positioning frame is ensured, the same moving distance of the screw rods at the two ends of the positioning frame is ensured, and the deflection of the positioning frame is prevented.

5. The travel of the screw rod is limited and cannot exceed the rocker and the positioning frame at the two ends. If the screw rod is blocked due to the too large stroke, the rocker is removed, lubricating grease is coated, and the screw rod is slowly rotated at a constant speed.

6. The steel bar ends are treated before welding, so that the steel bar sections are flush, no bevel angle can be formed, and the steel bar ends with sharp points are ensured. The steel bar is put into the steel bar fixer and should be put flat, and full welding is carried out during welding, and the welding current is controlled, prevents to weld through, and the ablation.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (3)

1. The utility model provides a pre-buried steel bar fixed-position welding device for shaped steel of subway station which characterized in that: the steel bar positioning welding device is arranged on the surface of the section steel to be welded with the steel bar; the steel bar positioning and welding device is provided with a positioning frame fixed on the section steel; a positioning ruler is arranged in the middle of the positioning frame; the positioning ruler is provided with a plurality of movable sliding blocks for positioning the welding positions of the steel bars; the movable slide block is of a structure capable of freely sliding along the positioning ruler; the movable slide block is provided with a support frame, one end of the support frame is fixed on the movable slide block, and the other end of the support frame is provided with a steel bar fixer for placing steel bars.

2. The steel bar positioning and welding device for pre-buried section steel of subway station as set forth in claim 1, wherein: the locating frame is provided with a screw, and the screw is provided with a bayonet clamped with the profile steel.

3. The steel bar positioning and welding device for the pre-buried section steel of the subway station according to claim 2, wherein the screw is of a telescopic structure, and a rocker capable of realizing up-and-down movement of the fixing frame is arranged at the upper end of the screw.