Steel bridge plate unit U rib inside and outside welding device

By designing the inner and outer welding device of the U rib in the steel bridge plate unit, the problem of inner welding of the U rib in the steel bridge is solved, and the effective welding of the inner side of the U rib and the bridge deck is achieved, which improves the welding accuracy and the safety performance of the steel bridge.

CN120502948APending Publication Date: 2025-08-19ANHUI QISHUN STEEL STRUCTURE ENG CO LTD
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Patent Information

Application Number
CN202510756903.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-07
Publication Date
2025-08-19

AI Technical Summary

Technical Problem

In the prior art, internal welding operations of steel bridge U ribs are difficult to achieve, resulting in increased weld metal fatigue and easy cracking, affecting the load-bearing capacity of the bridge deck and the safety performance of the steel bridge.

Method used

A steel bridge unit U rib internal and external welding device is designed, including a mobile car, limiting assembly, bracket car, welding parts and camera parts. The driving parts drive the vehicle body to move, the limit wheel limits the position, and the welded parts are inclined to realize the welding of the inner side of the U rib and the bridge deck, meeting the internal welding needs.

Benefits of technology

The internal welding and external welding of U ribs are achieved, the welding accuracy is improved, the collision and friction damage on the inner side of U ribs is reduced, the welding quality is ensured, and the service life of the steel bridge is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a steel bridge plate unit U rib inside and outside welding device, and relates to the technical field of steel bridge manufacturing. The steel bridge plate unit U rib inside and outside welding device comprises a moving trolley, a bracket trolley, a first winding part, a welding part and a camera shooting part. The driving part can drive the first wheel to rotate so as to drive the first vehicle body to move; the two welding pieces are arranged on the two sides of the adjusting frame in the width direction of the first vehicle body correspondingly. The welding ends of the two welding pieces are arranged in the direction away from each other and inclined downwards. The two welding pieces are symmetrically arranged; the camera component is arranged at the front end of the first vehicle body. The driving piece can drive the first wheel to rotate, so that the moving trolley can move back and forth on the inner side of the U-shaped rib; the welding ends of the two welding pieces are arranged in the direction away from each other and inclined downwards, and when the moving trolley moves front and back, the part between the inner side of the U rib and the bridge deck can be welded through the welding pieces, so that the inner welding operation of the U rib is completed, and the inner welding requirement of the U rib is met.
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Description

Technical Field

[0001] The present invention relates to the technical field of steel bridge manufacturing, and in particular to a U-rib internal and external welding device for a steel bridge plate unit. Background Art

[0002] In the construction industry, U-ribs, or U-shaped stiffeners, are a common reinforcement structure. Welding and installing U-ribs on bridge deck structures can improve the strength of the bridge deck structure. Internal and external welding of U-ribs on steel structure bridges can greatly enhance the vibration and crack resistance of steel bridge welds, thereby enhancing the safety performance of steel bridges and extending their service life.

[0003] The bridge deck unit of a bridge is made up of the bridge deck and bridge U-ribs welded together. Currently, most bridge U-ribs are only welded externally. During use, due to the influence of various factors such as the speed, load, number, and service life of passing vehicles, the metal fatigue of the steel bridge U-rib welds is aggravated, which can easily lead to local cracking of the welds, reduce the bearing capacity of the bridge deck, and create a major safety hazard. This affects the safety performance of the steel bridge and shortens the service life of the steel bridge. However, due to the narrow and small internal space of the steel bridge U-rib, it is difficult to manually weld the inner side of the steel bridge U-rib to the bridge deck, which cannot meet the internal welding operation requirements of the U-rib. Summary of the Invention

[0004] The purpose of the present invention is to overcome the above-mentioned defects in the prior art and provide an internal and external welding device for the U-rib of a steel bridge deck unit, which can weld the inner side of the U-rib and the part between the bridge deck through welding parts to complete the internal welding operation of the U-rib and meet the internal welding requirements of the U-rib.

[0005] To achieve the above-mentioned purpose, the present invention provides a U-rib internal and external welding device for a steel bridge plate unit, which includes a mobile trolley, including a first vehicle body, a first wheel and a driving member; a plurality of the first wheels are provided, and are rotatably arranged on both sides of the bottom of the first vehicle body along the width direction of the first vehicle body; the driving member is connected to at least one of the first wheels, and can drive the first wheel to rotate to drive the first vehicle body to move; a limiting assembly includes a limiting frame and a limiting wheel; a plurality of the limiting frames are provided, and are respectively provided on both sides of the top of the first vehicle body along the width direction of the first vehicle body; a plurality of the limiting wheels are provided, and are rotatably connected to a plurality of the limiting frames; the axial direction of the rotation axis of the limiting wheel is aligned with the axis direction of the limiting wheel The height direction of the first vehicle body is arranged in the same direction; the limiting wheel is at least partially located outside the top of the first vehicle body; there are multiple bracket trolleys; multiple bracket trolleys are connected end to end in sequence; the bracket trolley at the head end is connected to the rear end of the first vehicle body; the first winding component is connected to the bracket trolley at the end; the first winding component can drive multiple bracket trolleys to move; the welding component includes an adjusting frame and a welding part; the adjusting frame is arranged on the top of the first vehicle body; there are two welding parts, and they are respectively arranged on both sides of the adjusting frame along the width direction of the first vehicle body; the welding ends of the two welding parts are arranged in a direction away from each other and inclined downward; the two welding parts are symmetrically arranged; the camera component is arranged at the front end of the first vehicle body.

[0006] Furthermore, the first wheel is magnetic.

[0007] Furthermore, the limiting assembly also includes a first connecting member; a first through slot is provided on the limiting frame, and the first through slot extends along the width direction of the first vehicle body; a first connecting hole is provided at the top of the first vehicle body; the first connecting member is movably provided in the first through slot, and the first connecting member is detachably passed through the first connecting hole to connect the limiting frame and the first vehicle body.

[0008] Furthermore, the adjustment frame includes a first frame body, a second frame body and a second connecting member; the first frame body is arranged on the top of the first body, the first frame body is provided with a second through groove extending along the height direction of the first body, the side end of the second frame body is provided with a slider, the slider is movably provided in the second through groove, the second connecting member is detachably connected to the slider and abuts against the second frame body; the welding member is connected to the second frame body.

[0009] Furthermore, the second frame is provided with a third through slot; the third through slot is extended along the width direction of the first vehicle body; and the welding piece is movably inserted into the third through slot.

[0010] Furthermore, the mobile cart also includes a fixed terminal; a conical groove is provided on the front end surface of the first car body, and the fixed terminal is provided on the groove surface of the conical groove; the camera component is provided in the conical groove and connected to the fixed terminal.

[0011] Furthermore, the bracket trolley includes a second body and a hinge; the hinge is arranged at the front end of the second body, and the second bodies of adjacent bracket trolleys are connected to the hinge in sequence; the hinge of the bracket trolley located at the head end is connected to the rear end of the first body.

[0012] Furthermore, it also includes a first wire-pressing assembly and a second wire-pressing assembly; the welding component also includes a welding wire, one end of the welding wire is connected to the welding part; the first wire-pressing assembly includes a first wire-pressing wheel and a first wire-pressing rotating structure; a plurality of first wire-pressing wheels are provided, and the plurality of first wire-pressing wheels are arranged opposite to each other and spaced apart along the width direction of the first vehicle body to form a first channel; the first channel extends along the length direction of the first vehicle body; the welding wire is at least partially located in the first channel and abuts against the first wire-pressing wheel; the first wire-pressing rotating structure is provided on the top of the first vehicle body and abuts against the first wire-pressing wheel connection; the first wire-pressing rotating structure can drive the first wire-pressing wheel to rotate; the second wire-pressing assembly includes a second wire-pressing wheel and a second wire-pressing rotating structure; a plurality of second wire-pressing wheels are provided, and the plurality of second wire-pressing wheels are arranged opposite to each other and spaced apart along the height direction of the first vehicle body to form a second channel; the second channel is extended along the length direction of the first vehicle body; the welding wire is at least partially located in the second channel and abuts against the second wire-pressing wheel; the second wire-pressing rotating structure is provided on the top of the first vehicle body and connected to the second wire-pressing wheel; the second wire-pressing rotating structure can drive the second wire-pressing wheel to rotate.

[0013] Furthermore, it also includes a second winding component, which includes a second reel and a second winding drive structure; the welding wire is wound on the second reel, and the welding wire is at least partially movably arranged on a plurality of the bracket trolleys; the second winding drive structure is connected to the second reel and can drive the second reel to rotate.

[0014] Furthermore, the first winding component includes a first reel and a first winding drive structure; at least a portion of the bracket trolley is wound on the first reel; the first winding drive structure is connected to the first reel and can drive the first reel to rotate.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. In an embodiment of the present invention, the driving member can drive the first wheel to rotate, so as to drive the first vehicle body to move forward and backward, so that the mobile trolley can enter between the mutually abutting U rib and the bridge deck, thereby enabling the mobile trolley to enter the inner side of the U rib and move forward and backward on the inner side of the U rib; limit frames are provided on both sides of the top of the first vehicle body, and limit wheels are installed on the limit frames, and the limit wheels are at least partially located outside the upper part of the first vehicle body, so that when the mobile trolley moves inside the inner side of the U rib, the limit wheels can abut against the inner side wall of the U rib to limit the position of the mobile trolley on the inner side of the U rib, thereby reducing the possibility of collision between the mobile trolley and the inner side wall of the U rib, and reducing the damage to the inner side of the U rib caused by the scratching of the mobile trolley, avoiding scratching and friction between the mobile trolley and the inner side of the U rib, and limiting the position of the mobile trolley and the welded part relative to the U rib, so as to ensure the accuracy of the weld seam of the welded part and avoid misalignment.

[0017] 2. An adjustment frame is provided on the top of the first vehicle body, on which welding parts are installed. The welding ends of the two welding parts are arranged in a direction away from each other and inclined downward. When the mobile vehicle moves back and forth, the welding parts can be used to weld the inner side of the U-rib and the part between the bridge deck to complete the internal welding operation of the U-rib and meet the internal welding requirements of the U-rib.

[0018] 3. Multiple bracket trolleys are connected end to end in sequence, and the bracket trolley at the head end is connected to the rear end of the first vehicle body. The bracket trolley can be moved forward by being dragged and driven by the mobile trolley, so that multiple bracket trolleys can follow the mobile trolley to move on the inner side of the U rib. By setting up the bracket trolley, it can support structures such as wires and welding wires, reducing the difficulty of wiring on the mobile trolley. The first winding component is connected to the bracket trolley at the end. The first winding component can drive multiple bracket trolleys to move, so as to drive the bracket trolley to move backward on the inner side of the U rib, so that the bracket trolley cooperates with the mobile trolley to move; the mobile trolley and the first winding component cooperate with each other to drive the bracket trolley to move back and forth on the inner side of the U rib.

[0019] 4. A camera component is provided at the front end of the first vehicle body so that the inner side of the U-rib can be photographed by the camera component, thereby detecting the welding effect of the internal welding of the welded parts to the U-rib, ensuring the welding quality, and providing a guide for the mobile vehicle when it moves inside the U-rib.

[0020] 5. Since the bridge deck unit structure is composed of a bridge deck and a plurality of U-ribs, and the plurality of U-ribs are arranged in sequence at intervals, the driving member can drive the first wheel to rotate, so as to drive the first vehicle body to move forward and backward, so that the mobile trolley can enter between two adjacent U-ribs, thereby enabling the mobile trolley to move forward and backward between the two adjacent U-ribs; limiting frames are provided on both sides of the top of the first vehicle body, and limiting wheels are installed on the limiting frames, and the limiting wheels are at least partially located outside the upper part of the first vehicle body, so that when the mobile trolley moves between two adjacent U-ribs, the limiting wheels can abut against the opposite end faces of the two adjacent U-ribs to limit the position of the mobile trolley between the two adjacent U-ribs, thereby reducing the distance between the mobile trolley and the adjacent The possibility of the two U-ribs colliding with each other can be reduced, the damage to the opposite end faces of the two adjacent U-ribs caused by the scratches of the moving trolley can be reduced, and the positions of the moving trolley and the welding parts relative to the U-ribs can be limited to ensure the accuracy of the welding welds of the welding parts and avoid misalignment; an adjustment frame is provided on the top of the first car body, and a welding part is installed on the adjustment frame, and the welding ends of the two welding parts are arranged in a direction away from each other and inclined downward. When the moving trolley moves back and forth, the outer side of the U-rib and the part between the bridge deck can be welded by the welding part, so that the outer side of the two U-ribs and the bridge deck are welded to each other to complete the external welding operation of the U-rib and meet the external welding requirements of the U-rib. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technology in the prior art, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 This is a schematic structural diagram of the U-rib internal and external welding device for a steel bridge plate unit according to the present invention;

[0023] Figure 2 This is a structural schematic diagram of the U-rib internal and external welding device of the steel bridge deck unit, the bridge deck and the U-rib of the present invention;

[0024] Figure 3 This is a structural schematic diagram of a mobile trolley for the U-rib internal and external welding device for a steel bridge plate unit according to the present invention;

[0025] Figure 4 It is a structural schematic diagram of the U-rib inside of the mobile trolley of the U-rib inside and outside welding device of the steel bridge plate unit of the present invention;

[0026] Figure 5 This is a structural schematic diagram of the U-rib internal and external welding device for a steel bridge plate unit according to the present invention, in which the movable carriage is located between two U-ribs;

[0027] Figure 6Schematic diagram of the structure of the first winding component and the second winding component of the U-rib internal and external welding device for a steel bridge plate unit of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the bracket trolley of the steel bridge plate unit U-rib internal and external welding device of the present invention.

[0029] Reference numerals:

[0030] The movable trolley 110; the first vehicle body 111; the first wheel 112; the conical groove 113; the limiting assembly 120; the limiting frame 121; the limiting wheel 122; the first through-slot 123; the first connecting member 124; the fixed terminal 130; the bracket trolley 200; the second vehicle body 210; the hinge 220; the first winding component 300; the first reel 310; the welding component 400; the adjusting frame 410; the first frame 411; the second frame 412; the second connecting member 413; the third through-slot 414; the welding component 420; the welding end 421; the welding wire 430; the second winding component 500; the second reel 510; the first wire pressing assembly 600; the first wire pressing wheel 610; the first wire pressing rotating structure 620; the second wire pressing assembly 700; the second wire pressing wheel 710; the second wire pressing rotating structure 720. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technology in this embodiment of the present invention in conjunction with the drawings in this embodiment of the present invention. Obviously, the embodiment described is only one embodiment of the present invention, not all embodiments of the present invention. Based on this embodiment of the present invention, all other embodiments of the present invention obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this invention.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as described in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0034] See also Figures 1 to 7, an embodiment of the present invention provides a U-rib internal and external welding device for a steel bridge plate unit, the U-rib internal and external welding device for a steel bridge plate unit includes a moving trolley 110, a bracket trolley 200, a first winding component 300, a welding component 400 and a camera component; the moving trolley 110 includes a first vehicle body 111, a first wheel 112 and a driving component; a plurality of first wheels 112 are provided, and are rotatably provided on both sides of the bottom of the first vehicle body 111 along the width direction of the first vehicle body 111; the driving component is connected to at least one of the first wheels 112, and can drive the first wheel 112 to rotate, so as to drive the first vehicle body 111 to move; the limiting assembly 120 includes a limiting frame 121 and a limiting wheel 122; a plurality of limiting frames 121 are provided, and are respectively provided on both sides of the top of the first vehicle body 111 along the width direction of the first vehicle body 111; a plurality of limiting wheels 122 are provided, and are rotatably connected to a plurality of limiting frames 121; the limiting The axial direction of the rotation axis of the wheel 122 is set in the same direction as the height direction of the first car body 111; the limiting wheel 122 is at least partially located outside the top of the first car body 111; there are multiple bracket trolleys 200; multiple bracket trolleys 200 are connected end to end in sequence; the bracket trolley 200 at the head end is connected to the rear end of the first car body 111; the first winding component 300 is connected to the bracket trolley 200 at the end; the first winding component 300 can drive multiple bracket trolleys 200 to move; the welding component 400 includes an adjusting frame 410 and a welding part 420; the adjusting frame 410 is set at the top of the first car body 111; there are two welding parts 420, and they are respectively arranged on both sides of the adjusting frame 410 along the width direction of the first car body 111; the welding ends 421 of the two welding parts 420 are set in a direction away from each other and inclined downward; the two welding parts 420 are symmetrically arranged; the camera component is arranged at the front end of the first car body 111.

[0035] 1. In the embodiment of the present invention, the driving member can drive the first wheel 112 to rotate, so as to drive the first vehicle body 111 to move forward and backward, so that the mobile vehicle 110 can enter between the U-rib 10 and the bridge deck 20 that abut each other, thereby allowing the mobile vehicle 110 to enter the inner side of the U-rib 10 and move forward and backward inside the U-rib 10; limit frames 121 are provided on both sides of the top of the first vehicle body 111, and limit wheels 122 are installed on the limit frames 121. The limit wheels 122 are at least partially located above the first vehicle body 111, so that the mobile vehicle 110 can enter the inner side of the U-rib 10. When moving inward sideways, the limiting wheel 122 can abut against the inner wall of the U rib 10 to limit the position of the moving trolley 110 on the inner side of the U rib 10, reducing the possibility of collision between the moving trolley 110 and the inner wall of the U rib 10, and reducing the damage to the inner side of the U rib 10 caused by the scratches of the moving trolley 110, avoiding scratches and friction between the moving trolley 110 and the inner side of the U rib 10, and can limit the position of the moving trolley 110 and the welding part 420 relative to the U rib 10, so as to ensure the accuracy of the welding seam of the welding part 420 and avoid misalignment.

[0036] 2. An adjustment frame 410 is provided on the top of the first vehicle body 111, and a welding piece 420 is installed on the adjustment frame 410. The welding ends 421 of the two welding pieces 420 are arranged in a direction away from each other and inclined downward. When the mobile vehicle 110 moves back and forth, the welding piece 420 can be used to weld the inner side of the U-rib 10 and the part between the bridge deck 20 to complete the internal welding operation of the U-rib 10 and meet the internal welding requirements of the U-rib 10.

[0037] 3. Multiple bracket trolleys 200 are connected end to end in sequence, and the bracket trolley 200 at the head end is connected to the rear end of the first vehicle body 111. The bracket trolley 200 can be moved forward by being dragged and driven by the mobile trolley 100, so that multiple bracket trolleys 200 can follow the mobile trolley 110 to move on the inner side of the U rib 10. By setting up the bracket trolley 200, it can support structures such as wires and welding wires 430, thereby reducing the difficulty of wiring on the mobile trolley 110. The first winding component 300 is connected to the bracket trolley 200 at the end. The first winding component 300 can drive multiple bracket trolleys 200 to move, so as to drive the bracket trolley 200 to move backward on the inner side of the U rib 10, thereby making the bracket trolley 200 cooperate with the mobile trolley 110 to move; the mobile trolley 100 and the first winding component 300 cooperate with each other to drive the bracket trolley 100 to move back and forth on the inner side of the U rib.

[0038] 4. A camera component is provided at the front end of the first vehicle body 111 so that the inner side of the U-rib 10 can be photographed by the camera component, thereby detecting the welding effect of the internal welding of the U-rib 10 by the welding part 420, ensuring the welding quality, and providing a guide for the mobile vehicle 110 when it moves inside the U-rib 10.

[0039] 5. Specifically, refer to Figure 4 In the embodiment of the present invention, since the unit structure of the bridge deck 20 is composed of the bridge deck 20 and a plurality of U-ribs 10, and the plurality of U-ribs 10 are arranged in sequence at intervals, the driving member can drive the first wheel 112 to rotate, so as to drive the first vehicle body 111 to move forward and backward, so that the mobile trolley 110 can enter between two adjacent U-ribs 10, thereby enabling the mobile trolley 110 to move forward and backward between two adjacent U-ribs 10; limiting frames 121 are provided on both sides of the top of the first vehicle body 111, and limiting wheels 122 are installed on the limiting frames 121, and the limiting wheels 122 are at least partially located above the first vehicle body 111, so that when the mobile trolley 110 moves between two adjacent U-ribs 10, the limiting wheels 122 can abut against the opposite end surfaces of the two adjacent U-ribs 10 to limit the position of the mobile trolley 110 between the two adjacent U-ribs 10, thereby reducing the movement of the trolley 110. The possibility of the car 110 colliding with the two adjacent U ribs 10 can reduce the damage to the opposite end faces of the two adjacent U ribs 10 caused by the scratches of the moving car 110, and can limit the position of the moving car 110 and the welding part 420 relative to the U rib 10 to ensure the accuracy of the welding weld of the welding part 420 and avoid misalignment; an adjustment frame 410 is provided on the top of the first car body 111, and a welding part 420 is installed on the adjustment frame 410, and the welding ends 421 of the two welding parts 420 are arranged in a direction away from each other and inclined downward. When the moving car 110 moves back and forth, the outer side of the U rib 10 and the part between the bridge deck 20 can be welded through the welding part 420, so that the outer side of the two U ribs 10 and the bridge deck 20 are welded to each other to complete the external welding operation of the U rib 10 and meet the external welding requirements of the U rib 10.

[0040] Reference Figure 5 In some embodiments of the present invention, the first wheel 112 is magnetic.

[0041] During the operation, when welding operations are performed on some circular tubes or components with convex arcs, the first wheel 112 with magnetism is provided so that the first wheel 112 can be adsorbed on the circular tube or the convex arc component to move so as to perform welding operations, thereby avoiding the situation where the mobile trolley slips and causes displacement, and has strong versatility.

[0042] Specifically, there are four first wheels 112, and two of them are arranged on both sides of the first vehicle body 111; the driving member can rotate the driving structure, and the rotation axis of the first wheel 112 is arranged in the same direction as the width direction of the first vehicle body 111; of course, according to the specific actual situation, the number of first vehicle bodies 111 can be other numbers.

[0043] Reference Figure 3 In some embodiments of the present invention, the limiting assembly 120 also includes a first connecting member; a first through slot 123 is provided on the limiting frame 121, and the first through slot 123 extends along the width direction of the first vehicle body 111; a first connecting hole is provided at the top of the first vehicle body 111; the first connecting member is movably provided in the first through slot 123, and the first connecting member is detachably passed through the first connecting hole to connect the limiting frame 121 and the first vehicle body 111.

[0044] The limiting wheel 122 protrudes from the top of the first car body 111 along the width direction of the first car body 111 outside the first car body 111, so that the limiting wheel 122 is at least partially located outside the top of the first car body 111, so that the limiting wheel 122 can abut against the inner side surface of the U rib 10 to achieve a limiting effect; and a first through groove 123 extending along the width direction of the first car body 111 is provided on the limiting frame 121, and the first connecting member can be removed from the first connecting hole to be able to move the limiting frame 121, so that the first connecting member can move relatively in the first through groove 123, so that the position of the limiting wheel 122 can be adjusted to adapt to U ribs 10 of different sizes, and then the first connecting member is passed through the first through groove 123 and inserted into the first connecting hole to connect the limiting frame 121 and the first car body 111.

[0045] Specifically, the first connecting hole is a threaded hole structure, the first connecting member is a connecting screw, the first connecting member is passed through the first connecting hole, and abuts against the limiting frame 121 to fix the position of the limiting frame 121 .

[0046] Specifically, four limiting frames 121 are provided, and correspondingly, four limiting wheels 122 are provided, and the four limiting wheels 122 are respectively connected to the four limiting frames 121; wherein, the four limiting frames 121 are respectively provided at the front and rear sides of the top end of the first vehicle body 111; four first connecting holes are provided, and the four first connecting holes are arranged opposite to the first through slots 123 of the four limiting frames 121 so that they can cooperate with each other.

[0047] Specifically, the limiting wheel 122 and the limiting frame 121 are rotatably connected to each other via a rotating structure, and the rotation axis of the limiting wheel 122 is arranged in the same direction as the height direction of the first vehicle body 111 .

[0048] Specifically, the limiting frame 121 is fixedly welded to the top of the first vehicle body 111 .

[0049] Reference Figure 3 In some embodiments of the present invention, the adjustment frame 410 includes a first frame body 411, a second frame body 412 and a second connecting member 413; the first frame body 411 is arranged on the top of the first vehicle body 111, and the first frame body 411 is provided with a second through groove extending along the height direction of the first vehicle body 111, and a slider is provided at the side end of the second frame body 412, and the slider is movably arranged in the second through groove, and the second connecting member 413 is detachably connected to the slider and abuts against the second frame body 412; the welding member 420 is connected to the second frame body 412.

[0050] A second through slot extending in the height direction of the first vehicle body 111 is provided on the first frame 411, and the second connecting member 413 can be removed to move the second frame 412, so that the slider moves in the second through slot, and the position of the second frame 412 can be adjusted up and down to adjust the position of the welding end 421 of the welding member 420, so as to adapt to the U-rib 10 and meet the welding requirements; then the second connecting member 413 is connected to the slider, and the second connecting member 413 is abutted against the first frame 411, and the position between the first frame 411 and the second frame 412 is limited by the friction between the second connecting member 413 and the first frame 411.

[0051] Specifically, a threaded rod is provided on the slider, and the threaded rod is at least partially located outside the second through groove. The second connecting member 413 can be a bolt structure, which is sleeved outside the threaded rod and abuts against the first frame 411, and the position between the first frame 411 and the second frame 412 is limited by friction.

[0052] Specifically, two first frames 411 are provided and are spaced apart along the width direction of the first vehicle body 111. The first through slots 123 of the two first frames 411 are arranged opposite to each other. Sliders are provided on both side ends of the second frame 412. The two slides are respectively arranged in the second through slots of the two first frames 411. Two second connecting members 413 are correspondingly provided to match the two second slides.

[0053] Specifically, the first frame 411 is fixedly welded to the top of the first vehicle body 111 .

[0054] Reference Figure 3 In some embodiments of the present invention, the second frame 412 is provided with a third through slot 414 ; the third through slot 414 extends along the width direction of the first vehicle body 111 ; and the welding piece 420 is movably provided in the third through slot 414 .

[0055] The welding part 420 can move in the third through groove 414 so that the position of the welding end 421 of the welding part 420 can be adjusted along the width direction of the first vehicle body 111, thereby adapting to inner ribs of different sizes, so that the welding end 421 of the welding part 420 can be adjusted and moved to the position between the inner rib and the bridge deck 20.

[0056] Specifically, two third through slots 414 are provided, the two third through slots 414 are adjacent to each other and separated, and the two welding members 420 are respectively provided in the two third through slots 414 .

[0057] Reference Figure 3 In some embodiments of the present invention, the mobile cart 110 further includes a fixed terminal 130; a conical groove 113 is provided on the front end surface of the first cart body 111, and the fixed terminal 130 is provided on the groove surface of the conical groove 113; the camera component is provided in the conical groove 113 and connected to the fixed terminal 130.

[0058] The camera component is installed in the conical groove 113 so that the camera component can be hidden in the conical groove 113 to limit the position of the camera component and reduce the degree of protrusion of the camera component, thereby reducing the possibility of the camera component being damaged by collision.

[0059] Specifically, the overall structure of the camera component is located in the conical groove 113. By setting the fixed terminal 130, the position of the camera component can be limited to prevent the camera component from accidentally falling. The fixed terminal 130 can be mutually engaged with the camera component, and the fixed terminal 130 can also be magnetic to fix the position of the camera component by magnetic attraction. The camera component can be a CCD camera module.

[0060] Specifically, you can choose a monitor and signal transmission line and power line from a suitable manufacturer as the monitoring display of the monitoring system. Two suitable circular fixing cards are customized on the back of the monitor for fixing the monitor. Choose a steel pipe of a suitable size to make a column for placing and fixing the monitor. Choose a steel plate of a suitable size to make a base for fixing the monitor. The base is made into a cone shape, and the column is welded to the center of the top surface of the cone of the base for installing and fixing the monitor.

[0061] Reference Figure 7 In some embodiments of the present invention, the bracket trolley 200 includes a second body 210 and a hinge 220; the hinge 220 is arranged at the front end of the second body 210, and the second bodies 210 of adjacent bracket trolleys 200 are connected to the hinge 220; the hinge 220 of the bracket trolley 200 located at the head end is connected to the rear end of the first body 111.

[0062] Multiple bracket trolleys 200 are connected end to end in sequence, wherein the hinge 220 at the front end of the second body 210 of the rear bracket trolley 200 of two adjacent bracket trolleys 200 is connected to the rear end of the second body 210 of the front bracket trolley 200, so as to realize the connection between the second body 210 of the adjacent bracket trolleys 200 and the hinge 220; the second bodies 210 of the adjacent bracket trolleys 200 are connected to each other through the hinge 220, so that the adjacent bracket trolleys 200 can swing relative to each other, reducing the difficulty of movement, and the second bodies 210 of the two adjacent bracket trolleys 200 can rotate relative to each other through the hinge 220, so that when welding the curved U-shaped U rib 10, the bracket trolleys 200 can be linked and turned, and the adaptability is strong.

[0063] Specifically, the hinge 220 may be a hinge.

[0064] Specifically, the second body 210 of the bracket trolley 200 is composed of a cable clamp plate, a bracket web, a running wheel, an axle, a pipeline clamp and a copper elastic welding wire 430 clamp.

[0065] The pipeline clamp is set on the cable clamp plate. The pipeline clamp is used to fix the carbon dioxide shielding gas pipe and wiring harness. The wiring harness contains power lines, control lines, and signal lines; the walking wheels are used for the second vehicle body 210 to follow the mobile trolley 110 to move. The copper welding wire 430 clamp is set on the cable clamp plate. The copper welding wire 430 clamp is customized by a professional company for limiting the fixation and sliding of the welding wire 430. The copper welding wire 430 clamp is installed in the reserved groove of the cable clamp plate of the second vehicle body 210. The cable clamp plate is made of two plastic clamp plates of predetermined shapes that are buckled into each other.

[0066] Reference Figure 3, in some embodiments of the present invention, it also includes a first wire pressing assembly 600 and a second wire pressing assembly 700; the welding component 400 also includes a welding wire 430, one end of the welding wire 430 is connected to the welding part 420; the first wire pressing assembly 600 includes a first wire pressing wheel 610 and a first wire pressing rotating structure 620; the first wire pressing wheel 610 is provided with a plurality of first wire pressing wheels 610, and the plurality of first wire pressing wheels 610 are arranged opposite to each other and spaced apart along the width direction of the first vehicle body 111 to form a first channel; the first channel extends along the length direction of the first vehicle body 111; the welding wire 430 is at least partially located in the first channel and abuts against the first wire pressing wheel 610; the first wire pressing rotating structure 620 is provided on the first vehicle body 111 and abuts against the first wire pressing wheel 610; the first wire pressing rotating structure 620 is provided on the first vehicle body 111 and abuts against the first wire pressing wheel 610 A wire pressing wheel 610 is connected; the first wire pressing rotating structure 620 can drive the first wire pressing wheel 610 to rotate; the second wire pressing assembly 700 includes a second wire pressing wheel 710 and a second wire pressing rotating structure 720; there are multiple second wire pressing wheels 710, and the multiple second wire pressing wheels 710 are arranged in pairs opposite to each other and at intervals along the height direction of the first car body 111 to form a second channel; the second channel extends along the length direction of the first car body 111; the welding wire 430 is at least partially located in the second channel and abuts against the second wire pressing wheel 710; the second wire pressing rotating structure 720 is arranged on the first car body 111 and connected to the second wire pressing wheel 710; the second wire pressing rotating structure 720 can drive the second wire pressing wheel 710 to rotate.

[0067] The welding part 420 requires welding wire 430 for welding operations. A first wire pressing rotating structure 620 is provided on the top of the first car body 111. The first wire pressing rotating structure 620 drives the first wire pressing wheel 610 to rotate, so that the welding wire 430 located in the first channel moves, so that the welding wire 430 can cooperate with the welding part 420 to perform welding operations; wherein, multiple first wire pressing wheels 610 are arranged in pairs along the width direction of the first car body 111, so as to limit the position of the welding wire 430 and improve the stability of the movement of the welding wire 430.

[0068] Specifically, four first crimping wheels 610 are provided, and the four first crimping wheels 610 are arranged opposite to each other in pairs.

[0069] A second wire pressing rotating structure 720 is provided on the top of the second vehicle body 210, and the second wire pressing rotating structure 720 drives the second wire pressing wheel 710 to rotate, so that the welding wire 430 located in the second channel moves, so that the welding wire 430 can cooperate with the welding part 420 to perform welding operations; wherein, multiple second wire pressing wheels 710 are arranged in pairs along the height direction of the second vehicle body 210, so as to limit the position of the welding wire 430 and improve the stability of the movement of the welding wire 430.

[0070] Specifically, two first crimping wheels 610 are provided, and the two first crimping wheels 610 are arranged opposite to each other.

[0071] Specifically, two welding parts 420 are provided, two welding wires 430 are provided accordingly, two first wire pressing assemblies 600 and two second wire pressing assemblies 700 are provided accordingly, the two welding wires 430 are respectively connected to the two first wire pressing assemblies 600 and the second wire pressing assemblies 700, and the two welding wires 430 are respectively connected to the two welding parts 420.

[0072] Reference Figure 1 、 Figure 2 and Figure 6 In some embodiments of the present invention, a second winding component 500 is further included, and the second winding component 500 includes a second reel 510 and a second winding drive structure; the welding wire 430 is wound on the second reel 510, and the welding wire 430 is at least partially movably arranged on a plurality of bracket trolleys 200; the second winding drive structure is connected to the second reel 510 and can drive the second reel 510 to rotate.

[0073] The welding part 420 consumes welding wire 430 during the welding process. The second winding drive structure drives the second reel 510 to rotate so as to release the welding wire 430. The second reel 510 can be used to wind and store a large amount of welding wire 430.

[0074] Reference Figure 1 、 Figure 2 and Figure 6 In some embodiments of the present invention, the first winding component 300 includes a first reel 310 and a first winding drive structure; at least part of the bracket trolley 200 is wound on the first reel 310; the first winding drive structure is connected to the first reel 310 and can drive the first reel 310 to rotate.

[0075] The first winding drive structure drives the first reel 310 to rotate so as to be able to wind up multiple bracket trolleys 200, so that the bracket trolley 200 moves back to cooperate with the moving trolley 110 to move back; and when the moving trolley 110 enters the inner side of the U rib 10, the moving trolley 110 can drive multiple bracket trolleys 200 to move. At the same time, the first winding drive structure drives the first reel 310 to rotate, so that the first reel 310 releases the bracket trolley 200; by setting the first reel 310, multiple bracket trolleys 200 can be wound and stored.

[0076] Specifically, steel plates of appropriate thickness and steel round tubes of appropriate size are selected to make the first reel 310 and the second reel 510 respectively. The round tube serves as the rotating shaft of the reel, and has key teeth inside for inserting the drive shaft for driving; holes are evenly cut on the steel plate to serve as the reel flange spoke plates, and the reel shaft and the spoke plates are welded into one body to form the first reel 310 and the second reel 510.

[0077] The welding part 420 is a welding gun, and the second reel 510 is a double-reel reel, which is used to accommodate the welding wire 430. The double-reel reel is used to supply the two welding guns with the amount of welding wire 430 required for simultaneous welding, so as to accommodate the double gun heads of the two welding parts 420 and simultaneously weld the entire U-rib 10.

[0078] The first reel 310 is a single-reel reel, which is used to accommodate a cable bracket. The center of the reel shaft made of a round tube has holes for cables and air pipes. The single-reel reel is used for the cables and air pipes to pass through and connect to the gas-electric rotary connector through the inner cavity of the reel shaft. A steel pipe of suitable size and wall thickness is selected as the reel drive shaft of the first reel 310. The outer surface of the reel drive shaft is made with a key tooth groove that matches the reel drive shaft of the first reel 310, and its length meets the requirements for installing the gas-electric rotary connector and the single-reel motor.

[0079] The length of the second reel drive shaft only needs to be sufficient to install its corresponding motor. It is used to connect the motor or connect the motor to the pneumatic-electric rotary connector and support the rotation of the reel.

[0080] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. The U-rib internal and external welding device of steel bridge plate unit is characterized by: include: A mobile vehicle (110) comprises a first vehicle body (111), first wheels (112) and a driving member; a plurality of first wheels (112) are provided, and are rotatably arranged on both sides of the bottom of the first vehicle body (111) along the width direction of the first vehicle body (111); the driving member is connected to at least one of the first wheels (112) and is capable of driving the first wheel (112) to rotate, thereby driving the first vehicle body (111) to move; A limiting assembly (120) comprises a limiting frame (121) and a limiting wheel (122); a plurality of the limiting frames (121) are provided, and are respectively arranged on both sides of the top of the first vehicle body (111) along the width direction of the first vehicle body (111); a plurality of the limiting wheels (122) are provided, and are respectively rotatably connected to the plurality of limiting frames (121); the axis direction of the rotation axis of the limiting wheel (122) is arranged in the same direction as the height direction of the first vehicle body (111); the limiting wheel (122) is at least partially located outside the top of the first vehicle body (111); A plurality of bracket trolleys (200) are provided; the plurality of bracket trolleys (200) are sequentially connected end to end; the bracket trolley (200) at the head end is connected to the rear end of the first vehicle body (111); A first winding component (300) is connected to the bracket trolley (200) located at the end; the first winding component (300) is capable of driving the plurality of bracket trolleys (200) to move; A welding component (400) comprises an adjustment frame (410) and a welding piece (420); the adjustment frame (410) is arranged on the top of the first vehicle body (111); two welding pieces (420) are provided, and are respectively arranged on both sides of the adjustment frame (410) along the width direction of the first vehicle body (111); the welding ends (421) of the two welding pieces (420) are arranged in a direction away from each other and inclined downward; the two welding pieces (420) are symmetrically arranged; The camera component is arranged at the front end of the first vehicle body (111).

2. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The first wheel (112) is magnetic.

3. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The limiting assembly (120) further includes a first connecting member (124); a first through slot (123) is provided on the limiting frame (121), and the first through slot (123) extends along the width direction of the first vehicle body (111); a first connecting hole is provided at the top end of the first vehicle body (111); the first connecting member (124) is movably provided in the first through slot (123), and the first connecting member (124) is detachably provided in the first connecting hole to connect the limiting frame (121) and the first vehicle body (111).

4. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The adjustment frame (410) includes a first frame body (411), a second frame body (412) and a second connecting member (413); the first frame body (411) is arranged on the top of the first vehicle body (111); the first frame body (411) is provided with a second through slot extending along the height direction of the first vehicle body (111); a slider is provided at the side end of the second frame body (412); the slider is movably arranged in the second through slot; the second connecting member (413) is detachably connected to the slider and abuts against the second frame body (412); the welding member (420) is connected to the second frame body (412).

5. The U-rib internal and external welding device for a steel bridge plate unit according to claim 4, characterized in that: The second frame (412) is provided with a third through slot (414); the third through slot (414) is extended along the width direction of the first vehicle body (111); and the welding piece (420) is movably inserted into the third through slot (414).

6. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The mobile trolley (110) further includes a fixed terminal (130); a conical groove (113) is provided on the front end surface of the first vehicle body (111), and the fixed terminal (130) is provided on the groove surface of the conical groove (113); the camera component is provided in the conical groove (113) and connected to the fixed terminal (130).

7. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The bracket trolley (200) includes a second body (210) and a hinge (220); the hinge (220) is arranged at the front end of the second body (210), and the second bodies (210) of adjacent bracket trolleys (200) are connected to the hinge (220) in sequence; the hinge (220) of the bracket trolley located at the front end is connected to the rear end of the first body (111).

8. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The invention also includes a first wire pressing assembly (600) and a second wire pressing assembly (700); the welding component (400) also includes a welding wire (430), one end of which is connected to the welding component (420); the first wire pressing assembly (600) includes a first wire pressing wheel (610) and a first wire pressing rotating structure (620); a plurality of the first wire pressing wheels (610) are provided, and the plurality of the first wire pressing wheels (610) are arranged opposite to each other and spaced apart along the width direction of the first vehicle body (111) to form a first channel; the first channel extends along the length direction of the first vehicle body; the welding wire (430) is at least partially located in the first channel and abuts against the first wire pressing wheel (610); the first wire pressing rotating structure (620) is provided on the top of the first vehicle body (111) and abuts against the first wire pressing wheel (6 10) connection; the first wire pressing rotating structure (620) can drive the first wire pressing wheel (610) to rotate; the second wire pressing assembly (700) includes a second wire pressing wheel (710) and a second wire pressing rotating structure (720); a plurality of second wire pressing wheels (710) are provided, and the plurality of second wire pressing wheels (710) are arranged opposite to each other and spaced apart along the height direction of the first vehicle body (111) to form a second channel; the second channel is extended along the length direction of the first vehicle body; the welding wire (430) is at least partially located in the second channel and abuts against the second wire pressing wheel (710); the second wire pressing rotating structure (720) is provided on the top of the first vehicle body (111) and connected to the second wire pressing wheel (710); the second wire pressing rotating structure (720) can drive the second wire pressing wheel (710) to rotate.

9. The U-rib internal and external welding device for a steel bridge plate unit according to claim 8, characterized in that: It also includes a second winding component (500), which includes a second reel (510) and a second winding drive structure; the welding wire (430) is wound on the second reel (510), and the welding wire (430) is at least partially movably arranged on multiple bracket trolleys (200); the second winding drive structure is connected to the second reel and can drive the second reel to rotate.

10. The U-rib internal and external welding device for a steel bridge plate unit according to claim 1, characterized in that: The first winding component (300) includes a first reel (310) and a first winding drive structure; at least a portion of the bracket trolley (200) is wound on the first reel (310); the first winding drive structure is connected to the first reel (310) and can drive the first reel (310) to rotate.