Welding device special for movable angle steel tower foot

Abstract

The invention relates to the technical field of welding, in particular to a welding device special for a movable angle steel tower foot. Comprising a mounting platform, a to-be-welded tower foot is placed on the mounting platform, a positioning mechanism is arranged above the outer wall of the mounting platform, and a triggering mechanism for triggering the positioning mechanism is arranged on the outer wall of the mounting platform; the positioning mechanism comprises positioning frames fixedly arranged on the two sides above the outer wall of the mounting platform, first threaded rods are rotationally arranged above the outer walls of the positioning frames, positioning pieces are slidably arranged on the outer walls of the first threaded rods, and the positioning pieces are provided with cross-shaped grooves for containing the upper portions of the junctions of tower feet to be welded. The two ends of a to-be-welded tower foot are placed between the two positioning pieces for preliminary positioning, then the positioning piece located above is pressed by moving the triggering mechanism to trigger the two positioning pieces, and therefore the two ends of the to-be-welded tower foot are stably clamped at multiple angles, workers do not need to operate a plurality of clamping units one by one, and the working efficiency is improved. And the device is more convenient to use, so that the welding efficiency of the device on the tower foot of the angle steel tower is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding, in particular to a mobile angle steel tower foot special welding device. BACKGROUND

[0002] The mobile angle steel tower foot is a key structural component for connecting the bottom of the angle steel tower and the foundation, which is usually composed of a bottom plate, a shoe plate, a rib plate, a stiffener plate and the like, and is fixed by bolts or welding to realize the mechanical transmission and structural stability function. When the mobile angle steel tower foot is assembled and welded, it needs to be installed in sequence, especially when the tower foot position is installed on the tower base, the position of the tower foot needs to be accurately positioned to ensure that the tower body can be installed on the tower foot subsequently, so a positioning device needs to be used.

[0003] The authorized number CN214264528U discloses a tower foot welding positioning device for a power transmission and transformation tower, which comprises a base for placing the tower foot and a plurality of positioning clamps mounted on the base. Each positioning clamp comprises two oppositely arranged clamping blocks and a locking structure mounted on the base. Each clamping block comprises a vertical clamping block and a horizontal clamping block. The vertical clamping block is perpendicular to the base, and the horizontal clamping block is fixed perpendicularly to one end of the vertical clamping block near the base. The side of the horizontal clamping block near the base is in contact with the bottom plate of the tower foot. The vertical clamping block is connected with the locking structure, and the locking structure is used to fix the clamping block and the tower foot relative to each other. The application has the effects of improving the welding perpendicularity of the tower foot, reducing welding deformation, and making the structure of the tower foot more stable.

[0004] The above technical solution needs the workers to operate the multiple clamping units one by one when positioning the angle steel tower foot, which makes the device more cumbersome to use, thereby reducing the welding efficiency of the device on the angle steel tower foot. Therefore, we propose a mobile angle steel tower foot special welding device to solve this technical defect. SUMMARY

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a mobile angle steel tower foot special welding device, comprising a mounting platform, a tower foot to be welded is placed on the mounting platform, a positioning mechanism is arranged above the outer wall of the mounting platform, and a triggering mechanism for triggering the positioning mechanism is arranged on the outer wall of the mounting platform. The positioning mechanism comprises positioning racks fixed on both sides above the outer wall of the mounting platform, a first threaded rod is rotatably arranged above the outer wall of the positioning rack, a positioning piece is slidably arranged on the outer wall of the first threaded rod, and the positioning piece has a cross slot for accommodating the upper part of the junction of the tower foot to be welded.

[0006] Further, the positioning mechanism further comprises a first driving motor, an extension column and a first extension plate, the first driving motor is fixedly arranged in the positioning frame, the extension column is fixedly arranged above the outer wall of the positioning member, and the first extension plate is fixedly arranged on both sides of the outer wall of the extension column.

[0007] Further, the positioning mechanism further comprises a sliding groove, a blocking groove, a sliding block, an extension block and an inclined surface, the sliding groove is arranged through the bottom of the outer wall of the positioning member, the blocking groove is arranged on the inner wall of the sliding groove, the sliding block is slidingly arranged in the sliding groove, the extension block is fixedly arranged on the outer wall of the sliding block away from the extension column, and the inclined surface is arranged on one end of the outer wall of the extension block close to the cross groove.

[0008] Further, the positioning mechanism further comprises a pressing groove arranged on the outer wall of the sliding block away from the inclined surface, and the triggering mechanism comprises a second threaded column, a second extension plate, a lifting platform, a lifting column and a pressing block, the second threaded column is rotatably arranged on both sides of the outer wall above the mounting platform, the second extension plate is threadedly arranged at the outer wall of the second threaded column, the lifting platform is fixedly connected to one end of the second extension plate away from the second threaded column, the lifting column is fixedly connected to the bottom of the outer wall of the lifting platform, and the pressing block is fixedly connected to the end of the lifting column.

[0009] Further, an adjusting groove is arranged in the middle of the outer wall of the mounting platform, an extension groove is arranged in the inner wall of the adjusting groove, and the positioning mechanism further comprises an adjusting plate, an extension ring, a guide column, a first spring, a placing groove and a mounting disc, the adjusting plate is slidingly arranged in the inner wall of the adjusting groove, the extension ring is fixedly arranged at the outer wall of the adjusting plate, the guide column is fixedly arranged at the upper and lower ends of the inner wall of the extension groove, the first spring is sleeved on the outer wall of the guide column, the placing groove is arranged above the middle of the outer wall of the adjusting plate, and the mounting disc is fixedly arranged at the bottom of the inner wall of the adjusting groove.

[0010] Further, the positioning mechanism further comprises a supporting block fixedly arranged at the bottom of the inner wall of the extension groove, and the triggering mechanism further comprises a trigger switch, a conductive wire and a second driving motor, the trigger switch is fixedly arranged at the bottom of the inner wall of the extension groove, the conductive wire is arranged on one side of the trigger switch, and the second driving motor is fixedly arranged at the bottom of the outer wall of the mounting platform.

[0011] Further, the positioning mechanism further comprises moving grooves opened at four corners of the outer wall of the positioning member, and the triggering mechanism further comprises a moving column, a cleaning sponge, a pressing plate, a guide rod and a second spring, the moving column is slidingly arranged in the inner wall of the moving groove, the cleaning sponge is fixedly arranged at one end of the outer wall of the moving column, the pressing plate is fixedly arranged at the end of the outer wall of the moving column away from the cleaning sponge, the guide rod is fixedly arranged at the top of the outer wall of the extending column, and the second spring is sleeved on the outer wall of the guide rod.

[0012] Further, water spraying mechanisms are arranged on both sides of the outer wall of the mounting platform, and the water spraying mechanism comprises a water storage cylinder, a water guide pipe, a water pump, an elbow pipe and a spray head, the water storage cylinder is fixedly arranged on both sides of the outer wall of the mounting platform, one end of the outer wall of the water guide pipe is fixedly arranged in the water storage cylinder, the water pump is fixedly arranged in the water guide pipe, the elbow pipe is fixedly arranged at the other end of the outer wall of the water guide pipe, and the spray head is fixedly arranged at one end of the outer wall of the elbow pipe.

[0013] Further, the water spraying mechanism further comprises a rotating rod, a stirring block and a third extending plate, the rotating rod is rotatably arranged in the water storage cylinder, the stirring block is fixedly arranged at the middle and lower part of the outer wall of the rotating rod, and the third extending plate is fixedly arranged at one end of the second extending plate.

[0014] Further, the elbow pipe is made of deformable rubber material. Advantages

[0015] Compared with the prior art, the present application provides a mobile angle steel tower foot special welding device, which has the following advantages: 1、Compared with the prior art, in use, first, the two ends of the to-be-welded tower foot are placed between the two positioning members for preliminary positioning, then the positioning member located above is pressed by the moving triggering mechanism to trigger the two positioning members, thereby realizing multi-angle stable clamping of the two ends of the to-be-welded tower foot, and the workers do not need to operate the multiple clamping units one by one, so that the device is more convenient to use, thereby improving the welding efficiency of the device for the angle steel tower foot.

[0016] 2、After the second driving motor receives the electric signal, the second threaded column is driven to rotate, and the second threaded column drives the second extending plate, the lifting platform, the lifting column and the extrusion block to move downward, so that the extrusion block can penetrate into the inside of the positioning member located above, the positioning member located above clamps and fixes the top of the to-be-welded tower foot, the triggering mechanism is driven by the adjusting plate, manual switching is not needed, the convenience of the device for welding the to-be-welded tower foot is improved, and the practicality of the device is improved.

[0017] 3. The user presses and slides the pressing plate downwards, allowing the moving column to pass through the moving groove. The cleaning sponge wipes the area to be welded on the tower foot and the cleaning fluid. After wiping, the second spring inside the guide rod will drive the pressing plate to move upwards and reset, thereby improving the welding quality. When the second extension plate moves up and down, the third extension plate will also move synchronously, thereby driving the stirring block through the rotating rod to stir the cleaning fluid in the water storage tank, preventing sedimentation inside the cleaning fluid and improving the cleaning effect of the cleaning fluid. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a special welding device for the foot of a mobile angle steel tower proposed in this invention. Figure 2 This is a schematic side sectional view of a special welding device for the foot of a mobile angle steel tower proposed in this invention. Figure 3 This is a schematic front sectional view of a special welding device for the foot of a mobile angle steel tower proposed in this invention; Figure 4 This is a schematic diagram showing the positions of the installation platform, positioning components, and lifting platform of a special welding device for the foot of a mobile angle steel tower proposed in this invention. Figure 5 This is a schematic diagram of the water spraying mechanism of a special welding device for the foot of a mobile angle steel tower proposed in this invention; Figure 6 This is a side sectional view of the installation platform and adjustment plate of the special welding device for the foot of a mobile angle steel tower proposed in this invention; Figure 7 This is a schematic diagram of the lifting column and guide rod of a special welding device for the foot of a mobile angle steel tower proposed in this invention; Figure 8 This is a schematic diagram showing the disassembled positioning component of a special welding device for the foot of a mobile angle steel tower proposed in this invention; Figure 9 This is a bottom view of the positioning component of a special welding device for the foot of a mobile angle steel tower proposed in this invention; Figure 10 This is a schematic diagram of a movable column and cleaning sponge for a special welding device for the foot of a movable angle steel tower, as proposed in this invention. Figure 11 This is a schematic diagram of the rotating rod and stirring block of a special welding device for the foot of a mobile angle steel tower proposed in this invention.

[0019] In the figure: 100, mounting platform; 110, to-be-welded tower foot; 120, adjusting groove; 121, extension groove; 200, positioning mechanism; 210, positioning frame; 220, first threaded rod; 230, positioning piece; 231, cross groove; 232, extension column; 233, first extension plate; 234, sliding groove; 235, blocking groove; 236, moving groove; 240, first driving motor; 250, sliding block; 251, extension block; 252, inclined surface; 253, extrusion groove; 260, adjusting plate; 261, extension ring; 262, guide column; 263, first spring; 264, placing groove; 265, mounting disc; 266, supporting block; 300, triggering mechanism; 310, second threaded column; 320, second extension plate; 330, lifting platform; 331, lifting column; 332, extrusion block; 340, trigger switch; 341, conductive wire; 342, second driving motor; 350, moving column; 351, cleaning sponge; 352, pressing plate; 353, guide rod; 354, second spring; 400, water spraying mechanism; 410, water storage cylinder; 420, water guide pipe; 430, water pump; 440, elbow; 450, spray head; 460, stirring block; 470, third extension plate; 480, rotating rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0021] Please refer to Figures 1 to 9 A mobile special welding device for angle steel tower foot, comprising a mounting platform 100, the mounting platform 100 is placed with a to-be-welded tower foot 110, a positioning mechanism 200 is arranged above the outer wall of the mounting platform 100, and a triggering mechanism 300 for triggering the positioning mechanism 200 is arranged on the outer wall of the mounting platform 100. The positioning mechanism 200 comprises positioning frames 210 fixedly arranged on both sides above the outer wall of the mounting platform 100, a first threaded rod 220 is rotatably arranged above the outer wall of the positioning frame 210, and a positioning piece 230 is slidably arranged on the outer wall of the first threaded rod 220. The positioning piece 230 has a cross groove 231 accommodating the upper part of the to-be-welded tower foot 110, and the width of the cross groove 231 is consistent with the thickness of the to-be-welded tower foot 110, so as to ensure that the to-be-welded tower foot 110 can be stably clamped into the cross groove 231 for preliminary positioning.

[0022] Please refer to Figures 2 to 10The positioning mechanism 200 further comprises a first driving motor 240, an extension column 232 and a first extension plate 233. The first driving motor 240 is fixedly arranged inside the positioning frame 210. The extension column 232 is fixedly arranged above the outer wall of the positioning piece 230. The first extension plate 233 is fixedly arranged on both sides of the outer wall of the extension column 232. The driving end of the first driving motor 240 is fixedly connected with the bottom of the outer wall of the first threaded rod 220. The outer wall of the first extension plate 233 away from the extension column 232 is threadedly connected with the first threaded rod 220. The positioning mechanism 200 further comprises a sliding groove 234, a blocking groove 235, a sliding block 250, an extension block 251 and an inclined surface 252. The sliding groove 234 is arranged through the bottom of the outer wall of the positioning piece 230. The blocking groove 235 is arranged on the inner wall of the sliding groove 234. The sliding block 250 is slidingly arranged inside the sliding groove 234. There are two oppositely arranged sliding blocks 250 moving in the sliding groove 234, so as to realize multi-point positioning of the two ends of the to-be-welded tower foot 110. The extension block 251 is fixedly arranged on the outer wall of the sliding block 250 away from the extension column 232. The inclined surface 252 is arranged on one end of the outer wall of the extension block 251 close to the cross groove 231. The inclined surface 252 is in sliding contact with the to-be-welded tower foot 110, so as to guide the to-be-welded tower foot 110 when the to-be-welded tower foot 110 is inserted into the cross groove 231, thereby realizing quick and stable insertion of the to-be-welded tower foot 110 into the cross groove 231. The positioning mechanism 200 further comprises an extrusion groove 253 arranged on the outer wall of the sliding block 250 away from the inclined surface 252. The triggering mechanism 300 comprises a second threaded column 310, a second extension plate 320, a lifting platform 330, a lifting column 331 and an extrusion block 332. The second threaded column 310 is rotatably arranged on both sides of the outer wall above the mounting platform 100. The second extension plate 320 is threadedly arranged on the outer wall of the second threaded column 310. The lifting platform 330 is fixedly connected with one end of the second extension plate 320 away from the second threaded column 310. The lifting column 331 is fixedly connected with the bottom of the outer wall of the lifting platform 330. The extrusion block 332 is fixedly connected with the end of the lifting column 331. The extrusion block 332 is in sliding contact with the extrusion groove 253.

[0023] Please refer to Figures 2 to 10The middle part of the outer wall of the mounting platform 100 is provided with an adjusting groove 120, and the inner wall of the adjusting groove 120 is provided with an extension groove 121. The positioning mechanism 200 further comprises an adjusting plate 260, an extension ring 261, a guide column 262, a first spring 263, a placing groove 264 and a mounting circular plate 265. The adjusting plate 260 is slidingly arranged on the inner wall of the adjusting groove 120. The extension ring 261 is fixedly arranged on the outer wall of the adjusting plate 260. The guide column 262 is fixedly arranged on the upper and lower ends of the inner wall of the extension groove 121. The first spring 263 is sleeved on the outer wall of the guide column 262. The placing groove 264 is arranged on the upper part of the outer wall of the adjusting plate 260. The mounting circular plate 265 is fixedly arranged on the bottom of the inner wall of the adjusting groove 120. The extension ring 261 is slidingly connected with the guide column 262. The placing groove 264 is internally provided with the positioning piece 230. The outer wall of the mounting circular plate 265 is fixedly provided with an extrusion block 332. The positioning mechanism 200 further comprises a supporting block 266 fixedly arranged on the bottom of the inner wall of the extension groove 121. The triggering mechanism 300 further comprises a triggering switch 340, a conductive wire 341 and a second driving motor 342. The triggering switch 340 is fixedly arranged on the bottom of the inner wall of the extension groove 121. The conductive wire 341 is arranged on one side of the triggering switch 340. The second driving motor 342 is fixedly arranged on the bottom of the outer wall of the mounting platform 100. The triggering switch 340 is slidingly in contact with the extension ring 261. One end of the conductive wire 341 is connected with the second driving motor 342. The driving end of the second driving motor 342 is fixedly connected with one end of the second threaded column 310. The positioning mechanism 200 further comprises a moving groove 236 arranged on the outer wall of the positioning piece 230. The triggering mechanism 300 further comprises a moving column 350, a cleaning sponge 351, a pressing plate 352, a guide rod 353 and a second spring 354. The moving column 350 is slidingly arranged on the inner wall of the moving groove 236. The cleaning sponge 351 is fixedly arranged on one end of the outer wall of the moving column 350. The pressing plate 352 is fixedly arranged on the end of the outer wall of the moving column 350, which is away from the cleaning sponge 351. The guide rod 353 is fixedly arranged on the top of the outer wall of the extension column 232. The second spring 354 is sleeved on the outer wall of the guide rod 353.

[0024] Please refer to Figures 3 to 11 The outer wall of the mounting platform 100 is provided with a water spraying mechanism 400. The water spraying mechanism 400 comprises a water storage cylinder 410, a water guide pipe 420, a water pump 430, an elbow pipe 440 and a spray head 450. The water storage cylinder 410 is fixedly arranged on the outer wall of the mounting platform 100. One end of the outer wall of the water guide pipe 420 is fixedly arranged in the inner part of the water storage cylinder 410. The water pump 430 is fixedly arranged in the inner part of the water guide pipe 420. The elbow pipe 440 is fixedly arranged on the other end of the outer wall of the water guide pipe 420. The spray head 450 is fixedly arranged on one end of the outer wall of the elbow pipe 440. The water spraying mechanism 400 further comprises a rotating rod 480, a stirring block 460 and a third extension plate 470. The rotating rod 480 is rotatably arranged in the inner part of the water storage cylinder 410. The stirring block 460 is fixedly arranged on the middle and lower part of the outer wall of the rotating rod 480. The third extension plate 470 is fixedly arranged on one end of the second extension plate 320. The elbow pipe 440 is made of deformable rubber material.

[0025] Working principle and use steps: first, the worker places the to-be-welded tower foot 110 to be welded in the adjusting plate 260 inside the installation platform 100, and clamps the intersection of the to-be-welded tower foot 110 into the positioning piece 230 inside the placement groove 264, and preliminarily positions the bottom of the to-be-welded tower foot 110 through the cross groove 231 on the upper surface of the positioning piece 230, starts the first driving motor 240 in the positioning frame 210, drives the first threaded rod 220 to rotate, thereby driving the positioning piece 230 above to move downward through the first extension plate 233, so that the cross groove 231 of the positioning piece 230 above preliminarily clamps and fixes the top intersection of the to-be-welded tower foot 110, the first extension plate 233 exerts downward pressure on the upper surface of the to-be-welded tower foot 110, so that the adjusting plate 260 moves to the bottom of the adjusting groove 120, and the extension ring 261 slides in the extension groove 121, the adjusting plate 260 moves downward, driving the positioning piece 230 inside the placement groove 264 to move to the extrusion block 332 inside the installation circular plate 265, the extrusion block 332 deeply enters the extrusion groove 253, extruding the sliding block 250 to the two sides of the sliding groove 234, so that the extension block 251 clamps and fixes the surface of the to-be-welded tower foot 110, realizing multi-angle stable clamping of the bottom of the to-be-welded tower foot 110, when the extension ring 261 moves to the position of the supporting block 266, it stops moving, the lifting column 331 above moves following the lifting platform 330, pushes the extrusion block 332 above into the positioning piece 230 above, multi-angle fixes the top of the to-be-welded tower foot 110, the two positioning pieces 230 above are fixed in the same way, which will not be described here, compared with the prior art, in use, first, the two ends of the to-be-welded tower foot 110 are placed between the two positioning pieces 230 for preliminary positioning, then the positioning piece 230 above is pressed through the movement of the trigger mechanism 300 to trigger the two positioning pieces 230, so as to realize multi-angle stable clamping of the two ends of the to-be-welded tower foot 110, without the need for the worker to operate multiple clamping units one by one, so that the device is convenient to use, thereby improving the welding efficiency of the device for welding the angle steel tower foot, after welding, the first spring 263 outside the guide column 262 pushes the adjusting plate 260 to move upward and reset.

[0026] When the adjusting plate 260 is pressed into contact with the supporting block 266, the adjusting plate 260 also synchronously presses and triggers the trigger switch 340, the trigger switch 340 transmits an electric signal to the second driving motor 342 through the conducting wire 341, and the second driving motor 342 drives the second threaded column 310 to rotate after receiving the electric signal, so that the second threaded column 310 drives the second extension plate 320, the lifting platform 330, the lifting column 331 and the extrusion block 332 to move downward, so that the extrusion block 332 can penetrate into the inside of the upper positioning piece 230, and the upper positioning piece 230 can clamp and fix the top of the to-be-welded tower foot 110. The trigger mechanism 300 is driven by the adjusting plate 260, without manual switch, so that the convenience of the device for welding the to-be-welded tower foot 110 is improved, and the practicality of the device is improved.

[0027] In actual use, the weld of the to-be-welded tower foot 110 needs to be cleaned before welding to avoid contamination of dust and debris affecting subsequent welding. After the to-be-welded tower foot 110 is positioned by the positioning mechanism 200 and the trigger mechanism 300, the worker starts the water pump 430 to extract the cleaning liquid in the water storage cylinder 410, the cleaning liquid is sent into the elbow pipe 440 through the water guide pipe 420, the worker holds the spray head 450 to flush the welding position of the to-be-welded tower foot 110, after flushing, the user presses the pressing plate 352 downward to slide, so that the moving column 350 passes through the moving groove 236 to wipe the to-be-welded tower foot 110 and the cleaning liquid by the cleaning sponge 351, after wiping, the second spring 354 in the guide rod 353 drives the pressing plate 352 to move upward to reset, so as to improve the welding quality, and when the second extension plate 320 moves up and down, the third extension plate 470 also moves synchronously, so that the stirring block 460 stirs the cleaning liquid in the water storage cylinder 410 through the rotating rod 480, to avoid precipitation in the cleaning liquid, and improve the cleaning effect of the cleaning liquid.

[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A special welding device for the legs of a mobile angle steel tower, characterized in that, It includes an installation platform, on which the tower legs to be welded are placed, a positioning mechanism is provided on the upper part of the outer wall of the installation platform, and a triggering mechanism is provided on the outer wall of the installation platform for triggering the positioning mechanism. The positioning mechanism includes positioning frames fixed on both sides of the upper outer wall of the installation platform. A first threaded rod is rotatably provided on the upper outer wall of the positioning frame. A positioning element is slidably provided on the outer wall of the first threaded rod. The positioning element has a cross groove at the upper part of the junction of the tower legs to be welded.

2. The mobile angle steel tower foot welding device according to claim 1, characterized in that: The positioning mechanism also includes a first drive motor, an extension column, and a first extension plate. The first drive motor is fixedly installed inside the positioning frame, the extension column is fixedly installed above the outer wall of the positioning component, and the first extension plate is fixedly installed on both sides of the outer wall of the extension column. The drive end of the first drive motor is fixedly connected to the bottom of the outer wall of the first threaded rod, and the outer wall of the first extension plate away from the extension column is threadedly connected to the first threaded rod.

3. The mobile angle steel tower foot welding device according to claim 1, characterized in that: The positioning mechanism also includes a sliding groove, a blocking groove, a sliding block, an extension block, and an inclined surface. The sliding groove is opened through the bottom of the outer wall of the positioning member, the blocking groove is opened on both sides of the inner wall of the sliding groove, the sliding block is slidably disposed inside the sliding groove, the extension block is fixedly disposed on the outer wall of the sliding block on the side away from the extension column, and the inclined surface is opened on the outer wall of the extension block at the end near the cross groove.

4. The mobile angle steel tower foot welding device according to claim 1, characterized in that: The positioning mechanism also includes an extrusion groove on the outer wall of the sliding block away from the inclined surface. The triggering mechanism includes a second threaded column, a second extension plate, a lifting platform, a lifting column, and an extrusion block. The second threaded column is rotatably disposed on both sides above the outer wall of the mounting platform. The second extension plate is threaded onto the outer wall of the second threaded column. The lifting platform is fixedly connected to the end of the second extension plate away from the second threaded column. The lifting column is fixedly connected to the bottom of the outer wall of the lifting platform. The extrusion block is fixedly connected to the end of the lifting column. The extrusion block slides in contact with the extrusion groove.

5. The mobile angle steel tower foot welding device according to claim 4, characterized in that: An adjustment groove is provided in the middle of the outer wall of the installation platform, and an extension groove is provided in the inner wall of the adjustment groove. The positioning mechanism also includes an adjustment plate, an extension ring, a guide post, a first spring, a placement groove, and a mounting circular plate. The adjustment plate is slidably disposed on the inner wall of the adjustment groove, the extension ring is fixedly disposed on the outer wall of the adjustment plate, the guide post is fixedly disposed at the upper and lower ends of the inner wall of the extension groove, the first spring is sleeved on the outer wall of the guide post, the placement groove is opened in the upper middle part of the outer wall of the adjustment plate, the mounting circular plate is fixedly disposed at the bottom of the inner wall of the adjustment groove, the extension ring is slidably connected to the guide post, a positioning component is installed inside the placement groove, and an extrusion block is fixedly installed on the upper part of the outer wall of the mounting circular plate.

6. The mobile angle steel tower foot welding device according to claim 1, characterized in that: The positioning mechanism also includes a support block fixedly disposed at the bottom of the inner wall of the extension groove, and the triggering mechanism also includes a trigger switch, a conductive wire, and a second drive motor. The trigger switch is fixedly disposed at the bottom of the inner wall of the extension groove, the conductive wire is disposed on one side of the trigger switch, and the second drive motor is fixedly disposed at the bottom of the outer wall of the mounting platform. The trigger switch is in sliding contact with the extension ring, one end of the conductive wire is connected to the second drive motor, and the drive end of the second drive motor is fixedly connected to one end of the second threaded column.

7. The mobile angle steel tower foot welding device according to claim 1, characterized in that: The positioning mechanism also includes movable slots opened at the four corners of the outer wall of the positioning component. The triggering mechanism also includes a movable column, a cleaning sponge, a pressing plate, a guide rod, and a second spring. The movable column is slidably disposed on the inner wall of the movable slot. The cleaning sponge is fixedly disposed on one end of the outer wall of the movable column. The pressing plate is fixedly disposed on the end of the outer wall of the movable column away from the cleaning sponge. The guide rod is fixedly disposed on the top of the outer wall of the extension column. The second spring is sleeved on the outer wall of the guide rod.

8. The mobile angle steel tower foot welding device according to claim 1, characterized in that: The installation platform is equipped with a water spraying mechanism on both sides of its outer wall. The water spraying mechanism includes a water storage tank, a water inlet pipe, a water pump, a bend pipe, and a nozzle. The water storage tank is fixed on both sides of the installation platform's outer wall. One end of the water inlet pipe is fixed inside the water storage tank. The water pump is fixed inside the water inlet pipe. The bend pipe is fixed at the other end of the water inlet pipe's outer wall. The nozzle is fixed at one end of the bend pipe's outer wall.

9. A special welding device for mobile angle steel tower legs according to claim 8, characterized in that: The water spraying mechanism also includes a rotating rod, a stirring block, and a third extension plate. The rotating rod is rotatably located inside the water storage tank, the stirring block is fixedly located in the lower middle part of the outer wall of the rotating rod, and the third extension plate is fixedly located at one end of the second extension plate.

10. A special welding device for mobile angle steel tower legs according to claim 8, characterized in that: The bend is made of deformable rubber.

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