Steel structure bridge welding device and method

Abstract

The application discloses a kind of steel structure bridge welding device and method, it is related to steel structure welding technical field, including welding main part, moving assembly, for moving welding device;Hoist assembly, for clamping moving U-shaped rib plate;Unloading assembly, for the bridge deck steel plate that welding is finished is unloaded;Pushing assembly, for pushing welding device moves;Adjusting assembly, for adjusting the angle of welding device.The application is pushed by electric telescopic rod double-sided tooth plate, telescopic plate is pushed using linkage gear, and the position of adjusting storage box is adjusted, so that the output end of welding gun is aligned with the welding surface of U rib and bridge deck plate, then start electric telescopic frame, and the joint between U rib and the outer wall of bridge deck plate is welded, further solve the problem that traditional steel structure bridge welding device is used, since the device for welding the inner wall of U-shaped rib plate and bridge deck steel plate has greater limitation, subsequent often needs additional device to cooperate, and welds the surface of U-shaped rib plate and bridge deck steel plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel structure welding, in particular to a steel structure bridge welding device and method. BACKGROUND

[0002] The bridge truss generally plays a load-bearing role for the bridge, so the firmness of the bridge truss is extremely important, and in the splicing process of the bridge deck slab, the U rib is welded on the bridge deck slab to form a whole stress system, which jointly bears the vehicle load and transmits it to the main beam, the closed U-shaped section provides high torsional stiffness and bending resistance, and significantly reduces the local deformation of the bridge deck slab.

[0003] The existing technology has the following problems:

[0004] 1. The existing steel structure bridge welding device has great limitations in welding the inner wall of the U-shaped rib plate and the bridge deck steel plate, which often requires additional devices to cooperate with the welding of the surface of the U-shaped rib plate and the bridge deck steel plate.

[0005] 2. The existing steel structure bridge welding device has great limitations in welding the inner wall of the U-shaped rib plate and the bridge deck steel plate, which often requires additional devices to cooperate with the welding of the surface of the U-shaped rib plate and the bridge deck steel plate. SUMMARY

[0006] The present application provides a steel structure bridge welding device and method to solve the problems raised in the background art.

[0007] To solve the above technical problems, the technical solution adopted by the present application is:

[0008] A steel structure bridge welding device, comprising a welding main body,

[0009] A moving assembly for moving the welding device;

[0010] A hoisting assembly for clamping the moving U-shaped rib plate;

[0011] An unloading assembly for unloading the welded bridge deck steel plate;

[0012] A pushing assembly for pushing the welding device to move;

[0013] An adjusting assembly for adjusting the angle of the welding device.

[0014] Further improvements of the technical scheme of the present application are as follows: the moving assembly comprises an electric screw rod rotationally connected to the middle part of one side of the inner wall of the welding main body, the outer wall of the electric screw rod is threadedly connected with a moving table, the bottom of the moving table is slidably connected with the bottom of the inner wall of the welding main body, the two sides of the inner wall of the welding main body close to the electric screw rod are fixedly connected with guide rods, and the outer wall of the guide rods is slidably connected with one end of the inner wall of the moving table.

[0015] Further improvements of the technical scheme of the present application are as follows: the lifting assembly comprises an electric telescopic stand fixedly connected to the top of the moving table, the top of the electric telescopic stand is fixedly connected with a lifting platform, the output end of the lifting platform is fixedly connected with a lifting platform, and the two ends of the bottom of the lifting platform are fixedly connected with electric control telescopic clamps.

[0016] Further improvements of the technical scheme of the present application are as follows: the unloading assembly comprises a placing table fixedly connected to one side of the outer wall of the welding main body, one end of the top of the placing table is fixedly connected with a placing bin, one side of the inner wall of the placing bin is rotationally connected with an electric control turnover stand, the top of the electric control turnover stand is placed with a bridge panel, and the top of the bridge panel is overlapped with the bottom of the U rib.

[0017] Further improvements of the technical scheme of the present application are as follows: the pushing assembly comprises a limiting shell fixedly connected to the output end of the electric telescopic stand, one end of the outer wall of the limiting shell is fixedly connected with a limiting box, the middle part of one side of the inner wall of the limiting shell is fixedly connected with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a double-sided toothed plate, the upper and lower ends of the outer wall of the double-sided toothed plate are slidably connected with the inner wall of the limiting shell, the two sides of the outer wall of the double-sided toothed plate are engaged with linkage gears, the upper and lower ends of the outer wall of the linkage gears are rotationally connected with the outer wall of the limiting shell, and one end of the outer wall of the linkage gears is fixedly connected with a telescopic plate.

[0018] Further improvements of the technical scheme of the present application are as follows: one end of the telescopic plate is rotationally connected with a receiving box, the upper and lower ends of the outer wall of the receiving box close to the telescopic plate are fixedly connected with extension limiting plates, and the two sides of the outer wall of the extension limiting plates are slidably connected with the inner wall of the limiting box.

[0019] Further improvements of the technical scheme of the present application are as follows: the adjusting assembly comprises a motor fixedly connected to the top of one side of the outer wall of the receiving box, the output end of the motor is fixedly connected with a transmission rod, one end of the transmission rod is rotationally connected with the inner wall of the receiving box, one end of the outer wall of the transmission rod is fixedly connected with a first gear, and the end of the outer wall of the transmission rod away from the first gear is fixedly connected with a second gear.

[0020] Further improvements of the technical scheme of the present application are as follows: the inner wall of the receiving box is rotatably connected with a support rod at one end close to the transmission rod, one end of the outer wall of the support rod is fixedly connected with a first double gear, one side of the outer wall of the first double gear is engaged with one side of the outer wall of the first gear, one end of the outer wall of the first double gear away from the first gear is fixedly connected with an extension rod, one end of the outer wall of the extension rod is fixedly connected with a sleeving cylinder, the inner wall of the sleeving cylinder is provided with a ball, the bottom of the inner cavity of the sleeving cylinder is slidably connected with an elastic telescopic rod, and one end of the elastic telescopic rod is lapped with the inner wall of the U rib.

[0021] Further improvements of the technical scheme of the present application are as follows: the outer wall of the support rod is fixedly connected with a second double gear at one end away from the first double gear, one side of the outer wall of the second double gear is engaged with one side of the outer wall of the second gear, and one end of the outer wall of the second double gear away from the second gear is fixedly connected with a welding gun.

[0022] A steel structure bridge welding device and method, the method uses the above-mentioned steel structure bridge welding device, the method is as follows:

[0023] S1: place the U rib on the bridge deck plate at a suitable position by the lifting platform, then use the pushing assembly to make the limiting box enter the U rib, and use the adjusting assembly to always align the output end of the welding gun with the center of the included angle between the U rib and the bridge deck plate;

[0024] S2: the pushing assembly moves the limiting shell and the limiting box into the U rib by the electric telescopic frame, then starts the electric telescopic rod, adjusts the translation distance of the receiving box through the cooperation between the double-sided toothed plate, the linkage gear and the telescopic plate;

[0025] S3: the adjusting assembly drives the first gear and the second gear respectively arranged at both ends of the outer wall of the transmission rod by the motor, and drives the first double gear and the second double gear by the first gear and the second gear, so that the welding gun is at the center of the included angle between the extension rod and the receiving box.

[0026] Due to the adoption of the above technical scheme, the present application has the following technical progress compared with the prior art:

[0027] 1. The present application provides a steel structure bridge welding device and method, which pushes the double-sided toothed plate by the electric telescopic rod, pushes the telescopic plate by the linkage gear, adjusts the position of the receiving box, aligns the output end of the welding gun with the welding surface of the U rib and the bridge deck plate, then starts the electric telescopic frame, pushes the limiting box to move forward, and welds the joint between the U rib and the outer wall of the bridge deck plate, further solving the problem that the traditional steel structure bridge welding device has great limitations in welding the inner wall of the U-shaped rib plate and the bridge deck steel plate, and often needs additional devices to cooperate to weld the surface of the U-shaped rib plate and the bridge deck steel plate.

[0028] 2, The application provides a steel structure bridge welding device and method, the second gear drives the second double gear to rotate, and the welding gun is always in the center of the included angle between the extension rod and the storage box, with the extension rod being continuously recovered, until the elastic telescopic rod loses the restriction of the U rib inner wall, and pops out from the sleeve cylinder, the elastic telescopic rod and the U rib are connected at an angle of 90 degrees, and the storage box and the bridge deck plate are also connected at an angle of 90 degrees, and the internal angle of the figure is 360 degrees, so that the included angle between the extension rod and the storage box is 180 degrees, and the welding gun is always in the center of the included angle between the extension rod and the storage box, so that the output end of the welding gun is always aligned with the center of the included angle between the U rib and the bridge deck plate, further solving the problem that the output angle of the welding device needs to be adjusted by the operator when welding the inner wall of the U rib plate and the bridge deck plate due to the difference in the specification of the U rib plate. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The structure of the application is shown in the figure;

[0030] Figure 2 The structure of the application is shown in the figure;

[0031] Figure 3 The structure of the application is shown in the figure;

[0032] Figure 4 The structure of the application is shown in the figure;

[0033] Figure 5 The structure of the application is shown in the figure;

[0034] Figure 6 The structure of the application is shown in the figure;

[0035] Figure 7 The structure of the application is shown in the figure;

[0036] Figure 8 The structure of the application is shown in the figure;

[0037] Figure 9 The structure of the application is shown in the figure;

[0038] Figure 10 The structure of the application is shown in the figure.

[0039] In the diagram: 1. Welding body; 2. Electric lead screw; 3. Moving table; 4. Guide rod; 5. Electric telescopic frame; 6. Lifting platform; 7. Hanging platform; 8. Electrically controlled telescopic clamp; 9. U-rib; 10. Placement platform; 11. Placement compartment; 12. Electrically controlled tilting frame; 13. Bridge panel; 14. Limiting shell; 15. Limiting box; 16. Electric telescopic rod; 17. Double-sided toothed plate; 18. Linkage gear; 19. Telescopic plate; 20. Storage box; 21. Extended limiting plate; 22. Motor; 23. Transmission rod; 24. First gear; 25. Second gear; 26. Support rod; 27. First double gear; 28. Extension rod; 29. ​​Sleeve sleeve; 30. Ball bearing; 31. Elastic telescopic rod; 32. Second double gear; 33. Welding torch. Detailed Implementation

[0040] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0041] like Figures 1 to 10 As shown in the embodiment of the present invention, a steel structure bridge welding device includes a welding body 1, a moving assembly for moving the welding device, a hoisting assembly for clamping and moving U-shaped ribs, an unloading assembly for unloading the welded bridge deck steel plates, a pushing assembly for pushing the welding device to move, and an adjusting assembly for adjusting the angle of the welding device. The moving assembly includes an electric lead screw 2 rotatably connected to the middle of one side of the inner wall of the welding body 1, and a moving platform 3 threadedly connected to the outer wall of the electric lead screw 2. The bottom of the moving platform 3 is slidably connected to the bottom of the inner wall of the welding body 1. Guide rods 4 are fixedly connected to both sides of the inner wall of the welding body 1 near the electric lead screw 2, and the outer walls of the guide rods 4 are connected to the moving platform. The inner wall of the 3 is slidably connected at one end. The hoisting assembly includes an electric telescopic frame 5 fixedly connected to the top of the moving platform 3, and a lifting platform 6 fixedly connected to the top of the electric telescopic frame 5. The output end of the lifting platform 6 is fixedly connected to a hanging platform 7. The two ends of the bottom of the hanging platform 7 are fixedly connected to an electric telescopic clamp 8, and the output end of the electric telescopic clamp 8 overlaps with a U-rib 9. The unloading assembly includes a placement platform 10 fixedly connected to one side of the outer wall of the welded main body 1. The top end of the placement platform 10 is fixedly connected to a placement compartment 11. The inner wall of the placement compartment 11 is rotatably connected to an electric tilting frame 12, and a bridge panel 13 is placed on the top of the electric tilting frame 12. The top of the bridge panel 13 overlaps with the bottom of the U-rib 9.

[0042] In work, through setting the placing table 10 on one side of the outer wall of the welding main body 1, and placing the U ribs 9 in the placing bin 11 set on one end of the top of the placing table 10, through setting the electric control turnover frame 12 on one side of the inner wall of the placing table 10, and placing the bridge deck slab 13 on the surface of the electric control turnover frame 12, then starting the electric screw rod 2 set in the middle of one side of the inner wall of the welding main body 1, and making the electric screw rod 2 cooperate with the guide rod 4 set on both sides of the inner wall of the welding main body 1 close to the electric screw rod 2, making the moving table 3 set on the outer wall slowly move in the welding main body 1, until moving close to one side of the placing bin 11, through setting the electric telescopic frame 5 on the top of the moving table 3, and setting the lifting table 6 on the top of the electric telescopic frame 5, starting the lifting table 6 to adjust the height of the hanging table 7 set on the output end, making the electric control telescopic clamp 8 set on both ends of the bottom of the hanging table 7 clamp the U ribs 9 stored in the placing bin 11, then again using the electric screw rod 2, making the moving table 3 move to the appropriate position, then again starting the lifting table 6, making the U ribs 9 clamped on the bottom of the hanging table 7 placed on the surface of the bridge deck slab 13, at this time starting the electric telescopic frame 5, and making the limiting shell 14 set on the output end of the electric telescopic frame 5 extend into the U ribs 9, starting the electric telescopic rod 16 set on the inner wall of the limiting shell 14, making the double-sided toothed plate 17 set on the output end through the linkage gear 18, making the telescopic plate 19 push the storage box 20 set on both sides of the outer wall of the limiting box 15 to move, during this period, starting the motor 22 set on one side of the top of the outer wall of the storage box 20, making the extension rod 28 set in the storage box 20 rotate to the maximum angle, and in the process of rotating the extension rod 28, driving the welding gun 33 to rotate, when the storage box 20 continuously moves towards the inner wall of the U ribs 9, until the ball 30 in the sleeving cylinder 29 set on one end of the outer wall of the extension rod 28 is attached to the inner wall of the U ribs 9, starting the welding gun 33 to weld the gap between the U ribs 9 and the bridge deck slab 13, at the same time, again starting the electric telescopic frame 5, and slowly pushing the limiting box 15 to move in the U ribs 9, so as to realize the purpose of welding the inner wall of the U ribs 9, when all the U ribs 9 on the surface of the bridge deck slab 13 are welded, closing the electric telescopic frame 5, and taking the limiting box 15 out of the inner wall of the U ribs 9, and using the electric screw rod 2 to make the moving table 3 deviate again, making the limiting box 15 between the U ribs 9, at this time, again starting the electric telescopic rod 16 to push the double-sided toothed plate 17, using the linkage gear 18 to push the telescopic plate 19, and adjusting the position of the storage box 20, making the output end of the welding gun 33 align with the welding surface of the U ribs 9 and the bridge deck slab 13, then starting the electric telescopic frame 5, pushing the limiting box 15 to move forward, welding the joint between the U ribs 9 and the outer wall of the bridge deck slab 13, further solving the problem that the traditional steel structure bridge welding device needs additional devices to cooperate to weld the surface of the U-shaped rib plate and the bridge deck steel plate when using,It is convenient for the operator to carry the bridge deck slab 13.

[0043] The pushing assembly comprises a limiting shell 14 fixedly connected to the output end of the electric telescopic support 5, one end of the outer wall of the limiting shell 14 is fixedly connected with a limiting box 15, the middle part of one side of the inner wall of the limiting shell 14 is fixedly connected with an electric telescopic rod 16, and the output end of the electric telescopic rod 16 is fixedly connected with a double-sided toothed plate 17, and the upper and lower ends of the outer wall of the double-sided toothed plate 17 are slidably connected with the inner wall of the limiting shell 14, the two sides of the outer wall of the double-sided toothed plate 17 are engaged with a linkage gear 18, and the upper and lower ends of the outer wall of the linkage gear 18 are rotatably connected with the outer wall of the limiting shell 14, one end of the outer wall of the linkage gear 18 is fixedly connected with a telescopic plate 19, one end of the telescopic plate 19 is rotatably connected with a receiving box 20, and the upper and lower ends of the outer wall of the receiving box 20 close to the telescopic plate 19 are fixedly connected with an extension limiting plate 21, and the two sides of the outer wall of the extension limiting plate 21 are slidably connected with the inner wall of the limiting box 15, the adjusting assembly comprises a motor 22 fixedly connected to the top of one side of the outer wall of the receiving box 20, and the output end of the motor 22 is fixedly connected with a transmission rod 23, and one end of the transmission rod 23 is rotatably connected with the inner wall of the receiving box 20, one end of the outer wall of the transmission rod 23 is fixedly connected with a first gear 24, and the end of the outer wall of the transmission rod 23 away from the first gear 24 is fixedly connected with a second gear 25, one end of the inner wall of the receiving box 20 close to the transmission rod 23 is rotatably connected with a supporting rod 26, one end of the outer wall of the supporting rod 26 is fixedly connected with a first double-gear 27, and one side of the outer wall of the first double-gear 27 is engaged with one side of the outer wall of the first gear 24, one end of the outer wall of the first double-gear 27 away from the first gear 24 is fixedly connected with an extension rod 28, one end of the outer wall of the extension rod 28 is fixedly connected with a sleeving cylinder 29, and the inner wall of the sleeving cylinder 29 is provided with a ball 30, the bottom of the inner cavity of the sleeving cylinder 29 is slidably connected with an elastic telescopic rod 31, and one end of the elastic telescopic rod 31 is overlapped with the inner wall of the U rib 9, one end of the outer wall of the supporting rod 26 away from the first double-gear 27 is fixedly connected with a second double-gear 32, one side of the outer wall of the second double-gear 32 is engaged with one side of the outer wall of the second gear 25, and one end of the outer wall of the second double-gear 32 away from the second gear 25 is fixedly connected with a welding gun 33.

[0044] When working, the limiting shell 14 is arranged at the output end of the electric telescopic frame 5, the limiting box 15 is supported by the limiting shell 14, the electric telescopic rod 16 is arranged at the middle of the inner wall of the limiting shell 14, the double-sided tooth plate 17 is arranged at the output end of the electric telescopic rod 16, the double-sided tooth plate 17 slides in the limiting shell 14, the linkage gear 18 on the two sides is driven to rotate, the telescopic plate 19 arranged at one end of the linkage gear 18 pushes the storage box 20 arranged at the other end to move, the extension limiting plate 21 is arranged at the upper and lower ends of the outer wall of the storage box 20 close to the telescopic plate 19, and the extension limiting plate 21 slides in the limiting box 15, the extension limiting plate 21 avoids the deviation of the storage box 20 when moving towards the inner wall of the U rib 9, so that the output end of the welding gun 33 is not dislocated, the support rod 26 is arranged at one side of the inner wall of the storage box 20, the first double linkage gear 27 is arranged at one end of the outer wall of the support rod 26, the extension rod 28 is arranged at one end of the outer wall of the first double linkage gear 27, the sleeving cylinder 29 is arranged at one end of the outer wall of the extension rod 28, the ball 30 is arranged in the inner wall of the sleeving cylinder 29, the length of the combination of the extension rod 28, the sleeving cylinder 29 and the ball 30 is the same as the height of the storage box 20, the motor 22 is arranged at the top of one side of the outer wall of the storage box 20, the transmission rod 23 arranged at the output end of the motor 22 is driven to rotate, the first gear 24 and the second gear 25 arranged at the two ends of the outer wall of the transmission rod 23 are driven, the first gear 24 is the same as the first double linkage gear 27, the ratio between the first gear 24 and the second gear 25 is 1:2, the outer wall of the first gear 24 is embedded with the tooth trace of the first double linkage gear 27, so that when the first gear 24 rotates, the first double linkage gear 27 rotates around the support rod 26, the extension rod 28, the sleeving cylinder 29 and the ball 30 are driven to rotate, the first double linkage gear 27 and the second double linkage gear 32 are half gears, so that when the extension rod 28, the sleeving cylinder 29 and the ball 30 stop rotating at the highest point, the support rod 26 moves away from the second double linkage gear 32 arranged at one end of the first double linkage gear 27, the welding gun 33 arranged at one end of the second double linkage gear 32 is at the center of the included angle between the extension rod 28 and the storage box 20, the elastic telescopic rod 31 arranged at the bottom of the inner cavity of the sleeving cylinder 29 is extruded by the inner wall of the U rib 9 and reenters the inner cavity of the sleeving cylinder 29 and contacts the inductor arranged in the inner cavity of the sleeving cylinder 29, the motor 22 reverses, the first double linkage gear 27 drives the extension rod 28, the sleeving cylinder 29 and the ball 30 to rotate towards the storage box 20, the second double linkage gear 32 is driven to rotate by the second gear 25, and the welding gun 33 is always at the center of the included angle between the extension rod 28 and the storage box 20, and the extension rod 28 is continuously recovered,Until the elastic telescopic rod 31 loses the restriction of the inner wall of the U rib 9 and pops out of the sleeve cylinder 29, at this time the inductor loses the touch of the elastic telescopic rod 31, the motor 22 stops working, so that the fitting surface of the elastic telescopic rod 31 and the U rib 9 presents 90 degrees, because the parallelogram shape composed of the inclined surface of the U rib 9, the bridge deck plate 13, the elastic telescopic rod 31 and the storage box 20, it is known that the fitting surface of the elastic telescopic rod 31 and the U rib 9 presents 90 degrees, and the fitting surface of the storage box 20 and the bridge deck plate 13 also presents 90 degrees, and the inner angle of the figure is 360 degrees, so that the included angle between the extension rod 28 and the storage box 20, plus the included angle between the U rib 9 and the bridge deck plate 13, is 180 degrees, and the welding gun 33 is always in the center of the included angle between the extension rod 28 and the storage box 20, so that the output end of the welding gun 33 is always aligned with the center of the included angle between the U rib 9 and the bridge deck plate 13 at this time, further solving the problem that the output angle of the welding device needs to be adjusted by the operator when welding the inner wall of the U rib plate and the bridge deck plate due to the difference in the specification of the U rib plate in the use process of the traditional steel structure bridge welding device.

[0045] A steel structure bridge welding device and method, the method uses the above-mentioned steel structure bridge welding device, the method is as follows:

[0046] S1: place the U rib 9 on the bridge deck plate 13 at the appropriate position through the lifting platform 7, then use the pushing assembly to make the limiting box 15 enter the U rib 9, and use the adjusting assembly to make the output end of the welding gun 33 always align with the center of the included angle between the U rib 9 and the bridge deck plate 13;

[0047] S2: the pushing assembly moves the limiting shell 14 and the limiting box 15 into the U rib 9 through the electric telescopic frame 5, then starts the electric telescopic rod 16, adjusts the translation distance of the storage box 20 through the cooperation between the double-sided toothed plate 17, the linkage gear 18 and the telescopic plate 19;

[0048] S3: the adjusting assembly drives the first gear 24 and the second gear 25 arranged at both ends of the outer wall of the transmission rod 23 through the motor 22, and drives the first double gear 27 and the second double gear 32 through the first gear 24 and the second gear 25, so that the welding gun 33 is in the center of the included angle between the extension rod 28 and the storage box 20.

[0049] The working principle of the steel structure bridge welding device and method will be described in detail below.

[0050] As Figures 1-10As shown, by setting the placing table 10 on one side of the outer wall of the welding main body 1, and placing a plurality of U ribs 9 in the placing bin 11 set at one end of the top of the placing table 10, by setting the electric control turnover frame 12 on one side of the inner wall of the placing table 10, and placing the bridge deck plate 13 on the surface of the electric control turnover frame 12, then starting the electric lead screw 2 set in the middle of one side of the inner wall of the welding main body 1, make the electric lead screw 2 cooperate with the guide rod 4 set on both sides of the inner wall of the welding main body 1 close to the electric lead screw 2, make the moving table 3 set on the outer wall slowly move in the welding main body 1, until it moves close to one side of the placing bin 11, by setting the electric telescopic frame 5 on the top of the moving table 3, and setting the lifting table 6 on the top of the electric telescopic frame 5, starting the lifting table 6 to adjust the height of the hanging table 7 set on the output end, make the electric control telescopic clamp 8 set on both ends of the bottom of the hanging table 7 clamp the U rib 9 stored in the placing bin 11, then use the electric lead screw 2 again, make the moving table 3 move to the appropriate position, then start the lifting table 6 again, make the U rib 9 clamped on the bottom of the hanging table 7 placed on the surface of the bridge deck plate 13, at this time start the electric telescopic frame 5, and make the limiting shell 14 set on the output end of the electric telescopic frame 5 extend into the U rib 9, start the electric telescopic rod 16 set on the inner wall of the limiting shell 14, make the double-sided tooth plate 17 set on the output end through the linkage gear 18, make the telescopic plate 19 push the storage box 20 set on both sides of the outer wall of the limiting box 15 to move, during this period, start the motor 22 set on one side of the top of the outer wall of the storage box 20, make the extension rod 28 set in the storage box 20 rotate to the maximum angle, and in the process of rotating the extension rod 28, drive the welding gun 33 to rotate, when the storage box 20 continuously moves towards the inner wall of the U rib 9, until the ball 30 in the sleeve cylinder 29 set on one end of the outer wall of the extension rod 28 is attached to the inner wall of the U rib 9, start the welding gun 33 to weld the gap between the U rib 9 and the bridge deck plate 13, at the same time, start the electric telescopic frame 5 again, and slowly push the limiting box 15 to move in the U rib 9, so as to realize the purpose of welding the inner wall of the U rib 9, when all the U ribs 9 on the surface of the bridge deck plate 13 are welded, turn off the electric telescopic frame 5, and take the limiting box 15 out of the inner wall of the U rib 9, and use the electric lead screw 2 to make the moving table 3 deviate again, so that the limiting box 15 is between the U ribs 9, at this time, start the electric telescopic rod 16 to push the double-sided tooth plate 17 again, use the linkage gear 18 to push the telescopic plate 19, and adjust the position of the storage box 20, so that the output end of the welding gun 33 is aligned with the welding surface of the U rib 9 and the bridge deck plate 13, then start the electric telescopic frame 5, push the limiting box 15 to move forward, and weld the joint between the U rib 9 and the outer wall of the bridge deck plate 13, further solve the problem that the traditional steel structure bridge welding device needs additional devices to cooperate with the welding of the inner wall of the U-shaped rib plate and the bridge steel plate.

[0051] The above detailed description of the present application is general, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the scope of the present application.

Claims

1. A welding device for steel structure bridges, characterized in that: Including the welding body (1), Movable component for moving the welding apparatus; Lifting assembly for clamping the movable U-shaped ribs; Unloading assembly, used to unload the welded bridge deck steel plates; Push component, used to push the welding device to move; Adjustment components are used to adjust the angle of the welding device; The moving component includes an electric screw (2) rotatably connected to the middle of one side of the inner wall of the welding body (1), and a moving platform (3) is threadedly connected to the outer wall of the electric screw (2). The bottom of the moving platform (3) is slidably connected to the bottom of the inner wall of the welding body (1). Guide rods (4) are fixedly connected to both sides of the inner wall of the welding body (1) near the electric screw (2), and the outer wall of the guide rods (4) is slidably connected to one end of the inner wall of the moving platform (3). The pushing component includes a limiting shell (14) fixedly connected to the output end of the electric telescopic frame (5), and a limiting box (15) fixedly connected to one end of the outer wall of the limiting shell (14). An electric telescopic rod (16) is fixedly connected to the middle of one side of the inner wall of the limiting shell (14), and a double-sided toothed plate (17) is fixedly connected to the output end of the electric telescopic rod (16). The upper and lower ends of the outer wall of the double-sided toothed plate (17) are slidably connected to the inner wall of the limiting shell (14). Both sides of the outer wall of the double-sided toothed plate (17) are meshed with linkage gears (18), and the upper and lower ends of the outer wall of the linkage gears (18) are rotatably connected to the outer wall of the limiting shell (14). A telescopic plate (19) is fixedly connected to one end of the outer wall of the linkage gears (18). One end of the telescopic plate (19) is rotatably connected to a storage box (20), and the upper and lower ends of the outer wall of the storage box (20) near the telescopic plate (19) are fixedly connected to an extension limiting plate (21), and the two sides of the outer wall of the extension limiting plate (21) are slidably connected to the inner wall of the limiting box (15). The adjustment assembly includes a motor (22) fixedly connected to the top of one side of the outer wall of the storage box (20), and a transmission rod (23) fixedly connected to the output end of the motor (22). One end of the transmission rod (23) is rotatably connected to the inner wall of the storage box (20). A first gear (24) is fixedly connected to one end of the outer wall of the transmission rod (23), and a second gear (25) is fixedly connected to the end of the outer wall of the transmission rod (23) away from the first gear (24). The storage box (20) has a support rod (26) rotatably connected to one end of the inner wall near the transmission rod (23), and a first double gear (27) is fixedly connected to one end of the outer wall of the support rod (26). One side of the outer wall of the first double gear (27) meshes with one side of the outer wall of the first gear (24). An extension rod (28) is fixedly connected to one end of the outer wall of the first double gear (27) away from the first gear (24), and a sleeve (29) is fixedly connected to one end of the outer wall of the extension rod (28). A ball bearing (30) is provided on the inner wall of the sleeve (29). An elastic telescopic rod (31) is slidably connected to the bottom of the inner cavity of the sleeve (29), and one end of the elastic telescopic rod (31) overlaps with the inner wall of the U-rib (9). The second double gear (32) is fixedly connected to the end of the outer wall of the support rod (26) away from the first double gear (27), and one side of the outer wall of the second double gear (32) meshes with one side of the outer wall of the second gear (25), while the welding torch (33) is fixedly connected to the end of the outer wall of the second double gear (32) away from the second gear (25).

2. The steel structure bridge welding device according to claim 1, characterized in that: The hoisting assembly includes an electric telescopic frame (5) fixedly connected to the top of the mobile platform (3), and a lifting platform (6) fixedly connected to the top of the electric telescopic frame (5), and a hoisting platform (7) fixedly connected to the output end of the lifting platform (6). Electric telescopic clamps (8) are fixedly connected to both ends of the bottom of the hoisting platform (7), and a U-rib (9) is attached to the output end of the electric telescopic clamp (8).

3. The steel structure bridge welding device according to claim 2, characterized in that: The unloading assembly includes a placement platform (10) fixedly connected to one side of the outer wall of the welding body (1), and a placement compartment (11) is fixedly connected to one end of the top of the placement platform (10). An electrically controlled tilting frame (12) is rotatably connected to one side of the inner wall of the placement compartment (11), and a bridge panel (13) is placed on the top of the electrically controlled tilting frame (12), and the top of the bridge panel (13) overlaps with the bottom of the U-rib (9).

4. A method for welding steel structure bridges, wherein the method employs the steel structure bridge welding apparatus described in claim 3, characterized in that: The method is as follows: S1: Place the U-rib (9) in the appropriate position on the bridge panel (13) using the lifting platform (7), then use the pushing component to make the limiting box (15) enter the U-rib (9), and use the adjusting component to make the output end of the welding gun (33) always aligned with the center of the angle between the U-rib (9) and the bridge panel (13). S2: The push component pushes the limiting shell (14) and the limiting box (15) into the U-rib (9) through the electric telescopic frame (5), and then starts the electric telescopic rod (16). Through the cooperation between the double-sided toothed plate (17), the linkage gear (18) and the telescopic plate (19), the translation distance of the storage box (20) is adjusted. S3: The adjustment component drives the first gear (24) and the second gear (25) respectively set at both ends of the outer wall of the transmission rod (23) via the motor (22), and uses the first gear (24) and the second gear (25) to drive the first double gear (27) and the second double gear (32) so that the welding torch (33) is at the center of the angle between the extension rod (28) and the storage box (20).

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