CN110666285A - Automatic walking welding system for arch bridge - Google Patents

Abstract

The invention discloses an arch bridge automatic traveling welding system, comprising a welding power supply cabinet, a wire feeder, an automatic traveling welding trolley and a control system. The automatic traveling welding trolley includes a trolley body, an adjustable-distance permanent magnetic wheel module, a longitudinal moving module, a transverse Moving module, welding gun and wire feeding tube, the trolley body is provided with a lateral moving module, the lateral moving module is provided with a longitudinal moving module, the bottom of the trolley body is provided with a permanent magnetic wheel module with adjustable distance, the welding power cabinet, wire feeder, can The distance-adjustable permanent magnetic wheel module, the longitudinal movement module and the lateral movement module are all connected to the control system; the self-propelled welding trolley of the present invention has the characteristics of light weight, small size, convenient operation, etc. The construction is safe, the labor intensity of workers is reduced, the welding efficiency can be improved, and the quality of the welding seam can be ensured. The distance between the two permanent magnet wheels can be adjusted through the adjustable distance permanent magnet wheel module to adapt to the welding of arch ribs of different pipe diameters.

Description

An automatic walking welding system for arch bridges

technical field

The invention relates to the field of welding technology and engineering specialty and bridge engineering, in particular to an automatic traveling welding system for arch bridges.

Background technique

The arch rib of the CFST arch bridge is assembled and welded by many steel pipe segments. The arch rib is divided into multiple segments. The steel pipe segments are all prefabricated in the factory.

Most of the welding methods currently used are manual welding. Manual welding cannot guarantee construction safety, and the labor intensity of workers is high. There are major defects in welding quality and welding efficiency. The automatic walking welding trolley is used to realize the arch rib welding of concrete-filled steel tube arch bridges. The driving mechanism is to place the automatic walking welding trolley at the welding seam of the arch rib, and walk along the outer wall of the steel pipe with the welding torch to make a circular motion, which is the key to realize the welding of the arch rib of the CFST arch bridge. Convenience and other characteristics, through the control system, the welding torch of the automatic walking welding trolley can be controlled to move up and down and left and right, and the permanent magnetic wheel walking and wire feeding speed can be controlled. As a result of the applicability, the present invention proposes an automatic traveling welding system for an arch bridge to solve the deficiencies in the prior art.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention proposes an automatic traveling welding system for arch bridges. The automatic traveling welding trolley of the present invention has the characteristics of light weight, small size and convenient operation. The labor intensity of workers can improve the welding efficiency and ensure the quality of the welding seam. The distance between the two permanent magnet wheels can be adjusted through the adjustable distance permanent magnet wheel module to adapt to the welding of arch ribs of different pipe diameters.

The invention proposes an automatic traveling welding system for an arch bridge, which includes a welding power cabinet, a wire feeder, an automatic traveling welding trolley and a control system. Adjustable distance permanent magnet wheel module, longitudinal movement module, transverse movement module, welding torch and wire feeder, the trolley body is provided with a transverse movement module, the transverse movement module is provided with a longitudinal movement module, the longitudinal movement module There is a wire feeding tube on it, one end of the wire feeding tube is connected to the wire feeder, the other end of the wire feeding tube is provided with a welding gun, the bottom of the car body is provided with an adjustable-distance permanent magnetic wheel module, the welding power cabinet, The wire feeder, the adjustable-pitch permanent magnet wheel module, the longitudinal movement module and the transverse movement module are all connected to the control system.

A further improvement is that: the lateral movement module includes a fixed block, a sleeve block and a hydraulic rod, the trolley body is provided with a fixed block, one side of the fixed block is provided with a sleeve block through the hydraulic rod, and the fixed block is provided with a sleeve block. A chute, the inner side of the sleeve block is slidably connected with the chute.

A further improvement is that: the longitudinal movement module includes a Y-axis screw rod, a Y-axis guide rail and a second drive motor, the sleeve block is provided with a second drive motor, and the output end of the second drive motor is provided with a Y-axis screw rod , one end of the Y-axis screw rod is fixed with the sleeve block through the bearing seat, the Y-axis screw rod is provided with Y-axis guide rails on both sides, the Y-axis guide rail is slidably provided with a mounting plate, and the welding gun is fixed on the mounting plate .

A further improvement is that: the adjustable-distance permanent magnet wheel module includes a distance-adjusting component and a permanent magnet wheel, and the distance-adjusting component is symmetrically provided with a permanent magnet wheel.

A further improvement is that: the distance adjustment assembly includes an electromagnetic guide rail and a slider, the bottom of the trolley body is laterally symmetrically provided with an electromagnetic guide rail, the electromagnetic guide rail is provided with a slider, the slider is provided with two groups, and the two groups are provided with the slider. A permanent magnetic wheel is installed on the slider.

A further improvement is that: the connection between the wire feeding tube and the welding torch is provided with an interface, the interface is an internal thread interface, and the welding torch is threadedly connected to the interface.

A further improvement is that: the permanent magnet wheel includes an active permanent magnet wheel set and a driven permanent magnet wheel set, and the driven permanent magnet wheel set is detachably provided with an outer ring.

The beneficial effects of the invention are as follows: the self-propelled welding trolley of the present invention has the characteristics of light weight, small size and convenient operation, and the welding torch of the self-propelled welding car can be controlled by the control system to move up and down and up and down under the action of the longitudinal movement module and the lateral movement module. It can move left and right, and can control the wire feeding speed of the wire feeder. It is used to replace the manual welding of high-altitude arch ribs, which can ensure construction safety, reduce labor intensity of workers, improve welding efficiency, and ensure weld quality. The magnetic wheel module can adjust the distance between the two permanent magnetic wheels to adapt to the welding of arch ribs of different diameters.

Description of drawings

1 is a schematic diagram of the system structure of the present invention;

Fig. 2 is the structural schematic diagram of the automatic traveling welding trolley of the present invention;

3 is a schematic side view of the structure of the lateral movement module of the present invention;

Figure 4 is a schematic front view of the welding torch installation structure of the present invention;

Figure 5 is a schematic front view of the wire feeding tube installation structure of the present invention;

6 is a schematic bottom view of the structure of the adjustable-distance permanent magnet wheel module according to the present invention;

FIG. 7 is a schematic front view of the longitudinal movement module of the present invention.

Among them, 1. welding power supply cabinet; 2. wire feeder; 3. automatic walking welding trolley; 4. control system; 5. trolley body; 6. adjustable distance permanent magnetic wheel module; 7. longitudinal movement module; 8. horizontal Mobile module; 9. Welding gun; 10. Wire feed tube; 11. Fixed block; 12. Set block; 13. Hydraulic rod; 14. Y-axis screw; 15. Y-axis guide rail; 16. Second drive motor; 17. Chute; 18, mounting plate; 19, permanent magnet wheel; 20, electromagnetic guide rail; 21, slider; 22, interface; 23, active permanent magnet wheel set; 24, driven permanent magnet wheel set; 25, outer ring.

Detailed ways

In order to deepen the understanding of the present invention, the present invention will be described in further detail below with reference to the embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

1 , 2 , 3 , 4 , 5 , 6 and 7 , the present embodiment proposes to include a welding power cabinet 1 , a wire feeder 2 , an automatic traveling welding trolley 3 and a control system 4 . The welding power cabinet 1 passes through the The wire is connected to the wire feeder 2. The self-propelled welding trolley 3 includes a trolley body 5, an adjustable-distance permanent magnet wheel module 6, a longitudinal movement module 7, a lateral movement module 8, a welding torch 9 and a wire feeding tube 10. The trolley body 5 is provided with a lateral movement module 8, the lateral movement module 8 is provided with a longitudinal movement module 7, the longitudinal movement module 7 is provided with a wire feeding tube 10, and one end of the wire feeding tube 10 is connected to the wire feeder 2, The other end of the wire feeding tube 10 is provided with a welding torch 9, the bottom of the trolley body 5 is provided with a permanent magnet wheel module 6 with adjustable distance, the welding power supply cabinet 1, the wire feeder 2, the permanent magnet wheel module 6 with adjustable distance , the longitudinal movement module 7 and the lateral movement module 8 are connected to the control system 4 .

The lateral movement module 8 includes a fixed block 11, a sleeve block 12 and a hydraulic rod 13. The trolley body 5 is provided with a fixed block 11. One side of the fixed block 11 is provided with a sleeve block 12 through the hydraulic rod 13. The fixed block 11 is provided with a chute 17 , and the inner side of the sleeve block 12 is slidably connected with the chute 17 .

The longitudinal movement module 7 includes a Y-axis screw 14 , a Y-axis guide rail 15 and a second drive motor 16 , the sleeve block 12 is provided with a second drive motor 16 , and the output end of the second drive motor 16 is provided with a Y A shaft screw 14, one end of the Y-axis screw 14 is fixed with the sleeve block 12 through a bearing seat, a Y-axis guide rail 15 is provided on both sides of the Y-axis screw 14, and a mounting plate is slid on the Y-axis guide rail 15 18, the welding torch 9 is fixed on the mounting plate 18.

The adjustable-distance permanent magnetic wheel module 6 includes a distance-adjusting component and a permanent magnetic wheel 19 , and the permanent-magnetic wheel 19 is symmetrically arranged on the distance-adjusting component.

The distance adjustment assembly includes an electromagnetic guide rail 20 and a sliding block 21. The electromagnetic guide rail 20 is arranged laterally symmetrically at the bottom of the trolley body 5. The electromagnetic guide rail 20 is provided with a sliding block 21, and the sliding block 21 is provided with two groups. Permanent magnet wheels 19 are installed on the two sets of the sliders 21 .

The connection between the wire feeding tube 10 and the welding torch 9 is provided with an interface 22 , the interface 22 is an internal thread interface, and the welding torch 9 is threadedly connected with the interface 22 .

The permanent magnet wheel 19 includes a driving permanent magnet wheel set 23 and a driven permanent magnet wheel set 24 , and an outer ring 25 is detachably provided on the driven permanent magnet wheel set 24 .

When in use, place the welding power supply cabinet 1 and the wire feeder 2 on the aerial work platform, and connect the circuit with the automatic traveling welding trolley 3. The automatic traveling welding trolley 3 is placed at the welding seam of the arch rib of the concrete-filled steel tube arch bridge, and is passed through the control system 4. Adjust the wire feeding speed of the wire feeder 2, adjust the current and voltage of the welding power cabinet 1, and adjust the distance between the sliders 21 according to the arch ribs of different pipe diameters, so as to adjust the distance between the permanent magnet wheels 19. The purpose of spacing, and then by controlling the longitudinal movement module 7 and the lateral movement module 8 to move, the position of the welding torch 9 is adjusted. During the welding adjustment process, the wire feeder 10 moves synchronously in the longitudinal movement module 7 and the lateral movement module 8, and the welding torch 9 Hold the same position and then proceed to soldering.

The self-propelled welding trolley 3 of the present invention has the characteristics of light weight, small size and convenient operation. The control system 4 can control the welding torch 9 of the self-propelled welding trolley 3 to move up and down and left and right under the action of the longitudinal movement module 7 and the lateral movement module 8 It can move and control the wire feeding speed of the wire feeder 2. It is used to replace the manual welding of high-altitude arch ribs, which can ensure construction safety, reduce labor intensity of workers, improve welding efficiency, and ensure weld quality. The magnetic wheel module 6 can adjust the distance between the two permanent magnetic wheels 19 to adapt to the welding of arch ribs of different pipe diameters.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. An arch bridge automatic traveling welding system is characterized in that: comprising a welding power cabinet (1), a wire feeder (2), an automatic traveling welding trolley (3) and a control system (4), the welding power cabinet (1) ) is connected to the wire feeder (2) through a wire, and the self-propelled welding trolley (3) includes a trolley body (5), a distance-adjustable permanent magnet wheel module (6), a longitudinal movement module (7), and a lateral movement module (8). ), a welding torch (9) and a wire feeding tube (10), the trolley body (5) is provided with a lateral movement module (8), and the lateral movement module (8) is provided with a longitudinal movement module (7), so The longitudinal movement module (7) is provided with a wire feeding tube (10), one end of the wire feeding tube (10) is connected to the wire feeder (2), and the other end of the wire feeding tube (10) is provided with a welding torch (9) , the bottom of the trolley body (5) is provided with an adjustable-distance permanent magnet wheel module (6), the welding power cabinet (1), the wire feeder (2), the adjustable-distance permanent magnet wheel module (6), the longitudinal Both the movement module (7) and the lateral movement module (8) are connected to the control system (4). 2. A bridge automatic traveling welding system according to claim 1, characterized in that: the lateral movement module (8) comprises a fixed block (11), a sleeve block (12) and a hydraulic rod (13), the The trolley body (5) is provided with a fixing block (11), one side of the fixing block (11) is provided with a sleeve block (12) through a hydraulic rod (13), and a chute (12) is arranged on the fixing block (11). 17), the inner side of the sleeve block (12) is slidably connected with the chute (17). 3. A bridge automatic traveling welding system according to claim 2, characterized in that: the longitudinal movement module (7) comprises a Y-axis screw (14), a Y-axis guide rail (15) and a second drive motor ( 16), the sleeve block (12) is provided with a second drive motor (16), the output end of the second drive motor (16) is provided with a Y-axis screw (14), the Y-axis screw (14) ) is fixed with the sleeve block (12) through the bearing seat, the Y-axis guide rail (15) is provided on both sides of the Y-axis screw rod (14), and the Y-axis guide rail (15) is slidably provided with a mounting plate (18). , the welding torch (9) is fixed on the mounting plate (18). 4. A bridge automatic traveling welding system according to claim 1, characterized in that: the adjustable-distance permanent magnet wheel module (6) comprises a distance-adjusting component and a permanent magnet wheel (19), and the distance-adjusting component A permanent magnet wheel (19) is symmetrically arranged on the upper part. 5. A bridge automatic traveling welding system according to claim 4, characterized in that: the distance adjustment component comprises an electromagnetic guide rail (20) and a slider (21), and the bottom of the trolley body (5) is arranged laterally symmetrically. There are electromagnetic guide rails (20), sliders (21) are arranged on the electromagnetic guide rails (20), the sliders (21) are provided with two groups, and permanent magnetic wheels are installed on the sliders (21) of the two groups (19). 6. A bridge automatic traveling welding system according to claim 1, characterized in that: an interface (22) is provided at the connection between the wire feeding tube (10) and the welding torch (9), and the interface (22) It is an internal thread interface, and the welding torch (9) is threadedly connected with the interface (22). 7. A bridge automatic traveling welding system according to claim 4, characterized in that: the permanent magnet wheel (19) comprises a driving permanent magnet wheel set (23) and a driven permanent magnet wheel set (24), so An outer ring (25) is detachably provided on the driven permanent magnet wheel set (24).

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