A high-altitude assembly and welding device for steel structure lattice shell

Abstract

The present invention discloses a high-altitude assembly welding device for a steel structure lattice shell, which belongs to the technical field of high-altitude welding, and comprises a base box, wherein a balancing and stabilizing component is arranged inside the base box, a support tube is connected to the top of the base box, and a sliding column is slidably connected inside the support tube. In the present invention, by arranging a residual material pushing component, after the end of the welding wire is separated from the feeding groove wheel, the two feeding groove wheels release the limit, and the connecting frame drives the sliding rod to move under the drive of the reset spring, and the sliding rod drives the clamping block to move and clamp the welding wire residual material through the fixed block, the telescopic cylinder and the connecting rod, and the telescopic cylinder drives the welding wire to move downward through the connecting rod and the clamping block to complete the subsequent welding, so as to use the welding wire remaining inside the welding wire conveying tube, reduce the residual welding residual material, improve the overall utilization efficiency of the welding wire, reduce the waste phenomenon of the device during the welding process, and save welding costs.

Description

Technical Field

[0001] The invention belongs to the technical field of high-altitude welding, and in particular relates to a high-altitude assembly welding device for a steel structure lattice shell. Background Art

[0002] Steel structure lattice shell is a thin shell structure made of steel. Its design usually adopts a grid-like structure, which can provide a larger span and space coverage, while having a lighter weight and higher strength. Since it is usually used for the roof or covering structure of a building, it is often necessary to use high-altitude bottled welding equipment for related operations during installation and welding.

[0003] The invention with publication number CN116175035B discloses an intelligent welding method for a high-altitude welding robot for steel structures based on deep learning, which belongs to the field of welding technology. The welding robot of the invention takes images by carrying a depth camera, and sends the taken images to an industrial computer for identification and ranging. When a weld is detected, the robot is controlled to move to the weld position, and laser scanning is used to accurately measure and locate the position. Finally, the robotic arm is controlled to drive the welding gun to move to the starting point of the specified position, and the spatial coordinates corresponding to the points on the welding trajectory are calculated by the industrial computer, and the robotic arm is controlled to drive the welding machine to the corresponding position, so as to realize fully automatic image acquisition, motion trajectory planning, and automatic welding, thereby eliminating the manpower cost of manual welding and reducing the danger of manual operation. However, during the use of the device, a part of the welding wire will remain in the wire feeding head, and the utilization effect of this part is poor, resulting in poor overall utilization effect of the device. Therefore, certain improvements are needed. Summary of the invention

[0004] The purpose of the present invention is to solve the problem that a part of the wire remains in the wire feeding head during welding, and the utilization effect of the part is poor, and to propose a high-altitude assembly welding device for a steel structure lattice shell.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A high-altitude assembly welding device for a steel structure lattice shell comprises a base box, a balancing and stabilizing component is arranged inside the base box, a support pipe is connected to the top of the base box, a sliding column is slidably connected inside the support pipe, a welding gun and a feeding pipe are arranged on one side of the top of the sliding column, a residual material pushing component is arranged inside the feeding pipe, and a preheating component is arranged on the outer peripheral side of the feeding pipe;

[0007] The residual material pushing assembly includes two relatively arranged feed trough wheels for conveying welding rods, one side of the feed trough wheel is rotatably connected to a connecting frame, one side of the connecting frame is connected to a sliding rod that can automatically reset, one end of the sliding rod extends to the outside of the feed pipe and is connected to a fixed block, and a clamping block for clamping the welding wire is provided at the bottom of the fixed block. When one end of the welding wire is separated from the feed trough wheel, the feed trough wheel is automatically triggered to drive the clamping block to clamp and convey the residual welding wire.

[0008] As a further description of the above technical solution:

[0009] Sliding holes are provided on both sides of the outer surface of the feeding tube, the sliding rod is slidably connected in the sliding holes, a reset spring is sleeved on the outer surface of the sliding rod, two ends of the reset spring are respectively connected to one side of the connecting frame and one side of the inner wall of the feeding tube, a driving member is provided on one side of the connecting frame, and one end of the output shaft of the driving member extends to the other side of the connecting frame and is connected to one side of the feeding groove wheel.

[0010] As a further description of the above technical solution:

[0011] A telescopic cylinder is connected to the bottom of the fixed block, a connecting rod is connected to the output end of the telescopic cylinder, one side of the connecting rod is connected to one side of the clamping block, one side of the telescopic cylinder is connected to a second telescopic rod, and one end of the second telescopic rod away from the telescopic cylinder is connected to the outer wall of the feeding pipe.

[0012] As a further description of the above technical solution:

[0013] The preheating assembly includes a fixed ring cover, which is connected to the outer surface of the feed pipe, and a plurality of gas delivery holes are opened on the outer peripheral side of the feed pipe located in the fixed ring cover, and both sides of the top of the fixed ring cover are connected to a connecting box, and a movable plate that can move back and forth is arranged inside the connecting box, and an air bag is connected to one side of the movable plate, and a side of the air bag away from the movable plate is connected to a side of the inner wall of the connecting box, and a gas delivery pipe is connected to the bottom of the air bag, and one end of the gas delivery pipe extends to the outside of the connecting box, and a plurality of air inlet pipes are distributed in a linear array on one side of the air delivery pipe, and the other end of the air inlet pipe is connected to the fixed ring cover, and one side of the air bag is connected to a connecting pipe, and the other ends of the two connecting pipes extend to the outside of the connecting box and are connected to the same gas collecting hood, and the gas collecting hood is connected to the outer surface of the welding gun, and both the connecting pipe and the gas delivery pipe are provided with a one-way valve.

[0014] As a further description of the above technical solution:

[0015] A cam is attached to the side of the movable plate away from the airbag, and the cam is rotatably connected to the connecting box through a rotating shaft, and one end of the rotating shaft extends to the outside of the connecting box and is connected to a linkage gear. The outer surface of the feeding tube is rotatably connected to a rotating gear ring, and the rotating gear ring is meshed with the linkage gear. A driving motor is fixedly installed on one side of the feeding tube through a first mounting plate, and one end of the output shaft of the driving motor is connected to a transmission gear, and one side of the transmission gear is meshed with the rotating gear ring.

[0016] As a further description of the above technical solution:

[0017] Two third telescopic rods are connected to the side of the movable plate facing away from the cam, and the two third telescopic rods are distributed on both sides of the airbag in a mirror-symmetrical manner. One end of the third telescopic rod away from the movable plate is connected to one side of the inner wall of the connecting box, and a transmission spring is sleeved on the outer surface of the third telescopic rod, and both ends of the transmission spring are respectively connected to one side of the movable plate and one side of the inner wall of the connecting box.

[0018] As a further description of the above technical solution:

[0019] The balancing and stabilizing component includes a rotating gear plate, which is rotatably connected to the base box through a connecting shaft, and the bottom of the rotating gear plate is meshed with driving gears on all sides, and one side of the driving gear is connected to a movable screw, and one side of the movable screw is threadedly connected to a screw seat, and one side of the screw seat extends to the outside of the base box and is connected to a balancing plate, and a plurality of movable wheels are connected to the bottom of the balancing plate, and one side of the balancing plate is connected to two first telescopic rods, and the other end of the first telescopic rods is connected to one side of the base box, and the two first telescopic rods are symmetrically distributed on both sides of the screw seat.

[0020] As a further description of the above technical solution:

[0021] The base box is provided with movable grooves all around, the lead screw seat is slidably connected in the movable groove, one end of the movable lead screw is rotatably connected to a mounting seat, and one end of the mounting seat is connected to the top of the inner wall of the base box.

[0022] As a further description of the above technical solution:

[0023] The bottom of the inner wall of the base box is connected to a fixed motor through a second mounting plate, one end of the fixed motor output shaft is connected to one end of the connecting shaft, and the other end of the connecting shaft extends into the inside of the support tube and is connected to a lifting screw, one end of the lifting screw is threadedly connected to the sliding column.

[0024] As a further description of the above technical solution:

[0025] The top of the sliding column is connected with a rotating device, one end of the output shaft of the rotating device is connected with a rotating block, one side of the rotating block is connected with a connecting piece, and one side of the feeding pipe is connected with the connecting piece.

[0026] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0027] 1. In the present invention, by setting a residual material pushing component, after the end of the welding wire is separated from the feeding groove wheel, the two feeding groove wheels release the limit, and the connecting frame drives the sliding rod to move under the drive of the reset spring, and the sliding rod drives the clamping block to move and clamp the welding wire residual material through the fixed block, the telescopic cylinder and the connecting rod, and the telescopic cylinder drives the welding wire to move downward through the connecting rod and the clamping block to complete the subsequent welding, so as to use the welding wire remaining in the welding wire conveying cylinder, reduce the residual welding material, improve the overall utilization efficiency of the welding wire, reduce the waste of the device during the welding process, and save welding costs.

[0028] 2. In the present invention, by setting a preheating component, the driving motor drives the cam to rotate through the transmission gear, the rotating gear ring, the linkage gear and the rotating shaft. The cam cooperates with the third telescopic rod and the transmission spring to drive the movable plate to perform reciprocating motion. The movable plate drives the airbag to contract and relax periodically. The high-temperature gas generated during welding can be transported to the gas pipe through the connecting pipe and the gas collecting hood, and transported to the fixed ring cover through the air intake pipe. The high-temperature gas is evenly transported to the feeding pipe through the gas delivery holes opened on the side of the feeding pipe, which assists in preheating the welding wire. It can reduce the situation of welding wire melting and splashing caused by rapid temperature changes during welding, making the welding process smooth and smooth, thereby improving the welding quality of the device.

[0029] 3. In the present invention, by setting a balancing and stabilizing component, the fixed motor drives the balancing plate to move outward through the connecting shaft, rotating gear plate, driving gear, moving screw, screw seat and moving wheel, and the balancing plate is driven to spread out in all directions through the cooperation of the moving screw, screw seat and moving wheel, thereby increasing the contact area between the base box and the ground, lowering the overall center of gravity of the device, ensuring the stability of the overall center of gravity of the device during the lifting and lowering process of the sliding column, and reducing the risk of the device tipping over. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0031] Figure 2 A schematic diagram of a three-dimensional structure from another viewing angle of the present invention;

[0032] Figure 3 It is a schematic diagram of the explosion three-dimensional structure of the present invention;

[0033] Figure 4 It is a schematic diagram of the structure of the balancing and stabilizing assembly of the present invention;

[0034] Figure 5 For the present invention Figure 4The enlarged structural diagram of part A in the middle;

[0035] Figure 6 It is a three-dimensional cross-sectional structural schematic diagram of the residual material pushing component of the present invention;

[0036] Figure 7 For the present invention Figure 6 The enlarged structural diagram of part B in the middle;

[0037] Figure 8 It is a schematic diagram of the three-dimensional structure of the preheating assembly of the present invention;

[0038] Fig. 9 For the present invention Figure 8 The enlarged structural diagram of the middle C part;

[0039] Fig.10 It is a schematic structural diagram of the preheating component and the residual material pushing component of the present invention.

[0040] Legend:

[0041] 1. Rotating block; 2. Base box; 3. Balance and stability assembly; 301. Balance plate; 302. Moving wheel; 303. Screw seat; 304. First telescopic rod; 305. Moving slot; 306. Fixed motor; 307. Rotating gear plate; 308. Lifting screw; 309. Mounting seat; 310. Moving screw; 311. Driving gear; 4. Support tube; 5. Sliding column; 6. Rotating device; 7. Residual material pushing assembly; 701. Fixed block; 702. Telescopic cylinder; 703. Connecting rod; 704. Clamping block; 705. Second telescopic rod; 706. Sliding rod ;707, reset spring;708, connecting frame;709, feed groove wheel;710, driving part;8, preheating assembly;801, air delivery hole;802, air collecting hood;803, connecting pipe;804, rotating gear ring;805, connecting box;806, driving motor;807, transmission gear;808, fixed ring cover;809, air inlet pipe;810, air delivery pipe;811, linkage gear;812, cam;813, moving plate;814, transmission spring;815, third telescopic rod;816, air bag;9, ​​feed pipe;10, connecting part;11, welding gun. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figure 1-Figure 10, the present invention provides a technical solution:

[0044] A high-altitude assembly and welding device for a steel structure lattice shell comprises a base box 2, a balancing and stabilizing component 3 is arranged inside the base box 2, a support tube 4 is connected to the top of the base box 2, a sliding column 5 is slidably connected inside the support tube 4, a welding gun 11 and a feeding tube 9 are arranged on one side of the top of the sliding column 5, a residual material pushing component 7 is arranged inside the feeding tube 9, a preheating component 8 is arranged on the outer peripheral side of the feeding tube 9, a rotating device 6 is connected to the top of the sliding column 5, a rotating block 1 is connected to one end of the output shaft of the rotating device 6, a connecting piece 10 is connected to one side of the rotating block 1, and one side of the feeding tube 9 is connected to the connecting piece 10.

[0045] The residual material pushing assembly 7 includes two relatively arranged feeding groove wheels 709 for conveying welding rods, one side of the feeding groove wheel 709 is rotatably connected to a connecting frame 708, one side of the connecting frame 708 is connected to a sliding rod 706 that can automatically reset, one end of the sliding rod 706 extends to the outside of the feeding tube 9 and is connected to a fixed block 701, and a clamping block 704 for clamping the welding wire is arranged at the bottom of the fixed block 701. When one end of the welding wire is separated from the feeding groove wheel 709, the feeding groove wheel 709 is automatically triggered to drive the clamping block 704 to clamp and convey the residual welding wire, and sliding holes are provided on both sides of the outer surface of the feeding tube 9, and the sliding rod 706 is slidably connected to the sliding holes A return spring 707 is sleeved on the outer surface of the sliding rod 706, and two ends of the return spring 707 are respectively connected to one side of the connecting frame 708 and one side of the inner wall of the feeding pipe 9. A driving member 710 is provided on one side of the connecting frame 708, and one end of the output shaft of the driving member 710 extends to the other side of the connecting frame 708 and is connected to one side of the feeding groove wheel 709. A telescopic cylinder 702 is connected to the bottom of the fixed block 701, and a connecting rod 703 is connected to the output end of the telescopic cylinder 702. One side of the connecting rod 703 is connected to one side of the clamping block 704, and a second telescopic rod 705 is connected to one side of the telescopic cylinder 702. The end of the second telescopic rod 705 away from the telescopic cylinder 702 is connected to the outer wall of the feeding pipe 9.

[0046] The specific implementation method is as follows: by setting up the residual material pushing component 7, after the end of the welding wire is separated from the feeding groove wheel 709, the two feeding groove wheels 709 are released from the limit, and the connecting frame 708 drives the sliding rod 706 to move under the drive of the reset spring 707, and the sliding rod 706 drives the clamping block 704 to move and clamp the residual welding wire through the fixed block 701, the telescopic cylinder 702 and the connecting rod 703, and the telescopic cylinder 702 drives the welding wire to move downward through the connecting rod 703 and the clamping block 704 to complete the subsequent welding, so as to use the welding wire remaining in the welding wire conveying tube, reduce the residual welding material, and improve the overall utilization efficiency of the welding wire.

[0047] The preheating assembly 8 includes a fixed ring cover 808, which is connected to the outer surface of the feeding pipe 9, and a plurality of air delivery holes 801 are provided on the outer peripheral side of the feeding pipe 9 located in the fixed ring cover 808. Both sides of the top of the fixed ring cover 808 are connected to a connection box 805. A movable plate 813 capable of reciprocating movement is arranged inside the connection box 805. One side of the movable plate 813 is connected to an air bag 816. The side of the air bag 816 away from the movable plate 813 is connected to one side of the inner wall of the connection box 805. The bottom of the air bag 816 is connected to the inner wall of the connection box 805. There is an air delivery pipe 810, one end of which extends to the outside of the connection box 805, and one side of the air delivery pipe 810 is provided with a plurality of air inlet pipes 809 in a linear array, and the other end of the air inlet pipe 809 is connected to the fixed ring cover 808, and one side of the air bag 816 is connected to a connecting pipe 803, and the other ends of the two connecting pipes 803 extend to the outside of the connection box 805 and are connected to the same gas collecting cover 802, and the gas collecting cover 802 is connected to the outer surface of the welding gun 11, and a one-way valve is provided in the connecting pipe 803 and the air delivery pipe 810. A cam 812 is attached to the side of the moving plate 813 away from the airbag 816. The cam 812 is rotatably connected to the connection box 805 through a rotating shaft, and one end of the rotating shaft extends to the outside of the connection box 805 and is connected to a linkage gear 811. The outer surface of the feeding tube 9 is rotatably connected to a rotating gear ring 804, and the rotating gear ring 804 is meshed with the linkage gear 811. A driving motor 806 is fixedly installed on one side of the feeding tube 9 through a first mounting plate, and one end of the output shaft of the driving motor 806 is connected to a transmission gear 807. One side of the transmission gear 807 is meshed with the rotating gear ring 804, and the side of the movable plate 813 facing away from the cam 812 is connected to two third telescopic rods 815, and the two third telescopic rods 815 are distributed on both sides of the airbag 816 in a mirror-symmetrical manner. The end of the third telescopic rod 815 away from the movable plate 813 is connected to the side of the inner wall of the connecting box 805, and the outer surface of the third telescopic rod 815 is sleeved with a transmission spring 814, and the two ends of the transmission spring 814 are respectively connected to one side of the movable plate 813 and one side of the inner wall of the connecting box 805.

[0048] The specific implementation method is as follows: by setting a preheating component 8, the driving motor 806 drives the cam 812 to rotate through the transmission gear 807, the rotating gear ring 804, the linkage gear 811 and the rotating shaft. The cam 812 cooperates with the third telescopic rod 815 and the transmission spring 814 to drive the movable plate 813 to perform reciprocating motion. The movable plate 813 drives the air bag 816 to contract and relax periodically. The high-temperature gas generated during welding can be transported to the gas pipe 810 through the connecting pipe 803 and the gas collecting hood 802, and transported to the fixed ring cover 808 through the air intake pipe 809. The high-temperature gas is evenly transported to the feeding pipe 9 through the gas delivery hole 801 opened on the side of the feeding pipe 9, which assists in preheating the welding wire and can reduce the melting and splashing of the welding wire caused by the rapid temperature change during welding.

[0049] The balancing and stabilizing component 3 includes a rotating toothed disc 307, which is rotatably connected to the base box 2 through a connecting shaft, and the bottom of the rotating toothed disc 307 is meshed with a driving gear 311 on all sides, and a moving screw 310 is connected to one side of the driving gear 311, and a screw seat 303 is threadedly connected to one side of the moving screw 310, and one side of the screw seat 303 extends to the outside of the base box 2 and is connected to a balancing plate 301, and a plurality of moving wheels 302 are connected to the bottom of the balancing plate 301, and two first telescopic rods 304 are connected to one side of the balancing plate 301, and the other end of the first telescopic rod 304 is connected to one side of the base box 2 The two first telescopic rods 304 are symmetrically distributed on both sides of the screw seat 303. Moving grooves 305 are opened around the base box 2. The screw seat 303 is slidably connected in the moving groove 305. One end of the moving screw 310 is rotatably connected to the mounting seat 309. One end of the mounting seat 309 is connected to the top of the inner wall of the base box 2. The bottom of the inner wall of the base box 2 is connected to a fixed motor 306 through a second mounting plate. One end of the output shaft of the fixed motor 306 is connected to one end of the connecting shaft, and the other end of the connecting shaft extends to the inside of the support tube 4 and is connected to a lifting screw 308. One end of the lifting screw 308 is threadedly connected to the sliding column 5.

[0050] The specific implementation method is as follows: by setting up a balancing and stabilizing component 3, the fixed motor 306 drives the balancing plate 301 to move outward through the connecting shaft, the rotating gear plate 307, the driving gear 311, the moving screw 310, the screw seat 303 and the moving wheel 302, and the balancing plate 301 is driven to expand to the surroundings through the cooperation of the moving screw 310, the screw seat 303 and the moving wheel 302, thereby increasing the contact area between the base box 2 and the ground, reducing the overall center of gravity of the device, and ensuring the stability of the overall center of gravity of the device during the lifting and lowering of the sliding column 5.

[0051] Working principle: When in use, the staff moves the equipment to the working area, and then the staff starts the fixed motor 306, the fixed motor 306 drives the connecting shaft to rotate, the connecting shaft drives the lifting screw 308 to rotate, the lifting screw 308 drives the sliding column 5 to move upward, the sliding column 5 drives the rotating device 6, the rotating block 1 and the mounting part to move, the mounting part drives the welding gun 11 and the feeding tube 9 to move upward, so that the welding gun 11 reaches the high-altitude welding area, during this process, the connecting shaft drives the rotating toothed disc 307 to rotate, the rotating toothed disc 307 drives the driving gear 311 to rotate, the driving gear 311 drives the moving screw 310 to rotate, the moving screw 310 drives the screw seat 303 to move, the screw seat 303 drives the balance plate 301 to move outward, the moving wheel 302 is in contact with the ground, reducing the friction of the balance plate 301.

[0052] By controlling the height of the sliding column 5 and adjusting the direction of the rotating block 1 by the rotating device 6, the welding gun 11 reaches the specified welding point. When welding, the driving member 710 drives the two feeding groove wheels 709 to rotate towards each other and feed the welding wire. The welding gun 11 melts the welding wire at high temperature and welds the welding point. In this process, the driving motor 806 drives the transmission gear 807 to rotate, the transmission gear 807 drives the rotating gear ring 804 to rotate, the rotating gear ring 804 drives the linkage gears 811 on both sides to rotate, the linkage gear 811 drives the rotating shaft to rotate, the rotating shaft drives the cam 812 to rotate, the cam 812 drives the moving plate 813 to move, and at the same time, the third telescopic rod 815 cooperates with the transmission spring 814 to drive the moving plate 813 to perform a reset motion, so that the moving plate 813 performs a reciprocating motion, and the moving plate 813 drives the air bag 816 to contract and relax periodically, and can transport the high-temperature gas generated during welding to the feeding pipe 9 through the connecting pipe 803 and the gas collecting hood 802 to preheat the welding wire.

[0053] When the welding wire is almost used up, the end of the welding wire is separated from the feeding groove wheel 709, and the two feeding groove wheels 709 are relatively released from the limit, and the reset spring 707 drives the connecting frame 708 to perform a reset movement, and the connecting frame 708 drives the sliding rod 706 to move, and the sliding rod 706 drives the fixed block 701 to move, and the fixed block 701 drives the telescopic cylinder 702 to move inward, and the telescopic cylinder 702 drives the connecting rod 703 to move, and the connecting rod 703 drives the clamping block 704 to move and clamp the residual welding wire. Afterwards, the telescopic cylinder 702 drives the welding wire downward through the connecting rod 703 and the clamping block 704 to complete the subsequent welding, so as to use the welding wire remaining in the welding wire conveying tube and reduce the residual welding material.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high-altitude assembly and welding device for a steel structure lattice shell, comprising a base box (2), characterized in that: A balancing and stabilizing component (3) is arranged inside the base box (2); a support tube (4) is connected to the top of the base box (2); a sliding column (5) is slidably connected inside the support tube (4); a welding gun (11) and a feeding tube (9) are arranged on one side of the top of the sliding column (5); a residual material pushing component (7) is arranged inside the feeding tube (9); and a preheating component (8) is arranged on the outer peripheral side of the feeding tube (9); The residual material pushing assembly (7) comprises two relatively arranged feeding groove wheels (709) for conveying welding wire, one side of the feeding groove wheel (709) is rotatably connected to a connecting frame (708), one side of the connecting frame (708) is connected to a sliding rod (706) capable of automatically resetting, one end of the sliding rod (706) extends to the outside of the feeding pipe (9) and is connected to a fixed block (701), and a clamping block (704) for clamping the welding wire is arranged at the bottom of the fixed block (701), and when one end of the welding wire is separated from the feeding groove wheel (709), the feeding groove wheel (709) is automatically triggered to drive the clamping block (704) to clamp and convey the residual welding wire.

2. A steel structure lattice shell high-altitude assembly welding device according to claim 1, characterized in that: Sliding holes are provided on both sides of the outer surface of the feeding tube (9), and the sliding rod (706) is slidably connected in the sliding holes. A return spring (707) is sleeved on the outer surface of the sliding rod (706), and the two ends of the return spring (707) are respectively connected to one side of the connecting frame (708) and one side of the inner wall of the feeding tube (9). A driving member (710) is provided on one side of the connecting frame (708), and one end of the output shaft of the driving member (710) extends to the other side of the connecting frame (708) and is connected to one side of the feeding groove wheel (709).

3. A steel structure lattice shell high-altitude assembly welding device according to claim 1, characterized in that: The bottom of the fixed block (701) is connected to a telescopic cylinder (702), the output end of the telescopic cylinder (702) is connected to a connecting rod (703), one side of the connecting rod (703) is connected to one side of the clamping block (704), one side of the telescopic cylinder (702) is connected to a second telescopic rod (705), and one end of the second telescopic rod (705) away from the telescopic cylinder (702) is connected to the outer wall of the feeding pipe (9).

4. The high-altitude assembly welding device for steel structure lattice shell according to claim 1 is characterized in that: The preheating assembly (8) comprises a fixed ring cover (808), the fixed ring cover (808) being connected to the outer surface of the feeding pipe (9), and a plurality of air delivery holes (801) being provided on the outer peripheral side of the feeding pipe (9) located inside the fixed ring cover (808), the top of the fixed ring cover (808) being connected to a connection box (805) on both sides, a movable plate (813) capable of reciprocating movement being arranged inside the connection box (805), one side of the movable plate (813) being connected to an air bag (816), a side of the air bag (816) away from the movable plate (813) being connected to a side of the inner wall of the connection box (805), and the bottom of the air bag (816) being connected to a side of the inner wall of the connection box (805). A gas supply pipe (810) is connected, one end of the gas supply pipe (810) extends to the outside of the connection box (805), one side of the gas supply pipe (810) is provided with a plurality of air intake pipes (809) distributed in a linear array, the other end of the air intake pipe (809) is connected to a fixed ring cover (808), one side of the air bag (816) is connected to a connecting pipe (803), the other ends of the two connecting pipes (803) both extend to the outside of the connection box (805) and are connected to the same gas collecting cover (802), the gas collecting cover (802) is connected to the outer surface of the welding gun (11), and one-way valves are provided in both the connecting pipe (803) and the gas supply pipe (810).

5. A steel structure lattice shell high-altitude assembly welding device according to claim 4, characterized in that: A cam (812) is attached to a side of the movable plate (813) away from the airbag (816); the cam (812) is rotatably connected to the connection box (805) via a rotating shaft, and one end of the rotating shaft extends to the outside of the connection box (805) and is connected to a linkage gear (811); a rotating gear ring (804) is rotatably connected to the outer surface of the feed tube (9); the rotating gear ring (804) is meshingly connected to the linkage gear (811); a drive motor (806) is fixedly mounted on one side of the feed tube (9) via a first mounting plate; one end of the output shaft of the drive motor (806) is connected to a transmission gear (807); one side of the transmission gear (807) is meshingly connected to the rotating gear ring (804).

6. A steel structure lattice shell high-altitude assembly welding device according to claim 5, characterized in that: Two third telescopic rods (815) are connected to a side of the movable plate (813) away from the cam (812), and the two third telescopic rods (815) are distributed on both sides of the airbag (816) in a mirror-symmetrical manner. One end of the third telescopic rod (815) away from the movable plate (813) is connected to a side of the inner wall of the connection box (805). A transmission spring (814) is sleeved on the outer surface of the third telescopic rod (815), and two ends of the transmission spring (814) are respectively connected to one side of the movable plate (813) and one side of the inner wall of the connection box (805).

7. The high-altitude assembly welding device for steel structure lattice shell according to claim 1 is characterized in that: The balancing and stabilizing component (3) comprises a rotating toothed disc (307), the rotating toothed disc (307) being rotatably connected to the base box (2) via a connecting shaft, the bottom of the rotating toothed disc (307) being meshedly connected to driving gears (311) on all sides, one side of the driving gear (311) being connected to a moving lead screw (310), one side of the moving lead screw (310) being threadedly connected to a lead screw seat (303), one side of the lead screw seat (303) extending to the outside of the base box (2) and being connected to a balancing plate (301), the bottom of the balancing plate (301) being connected to a plurality of moving wheels (302), one side of the balancing plate (301) being connected to two first telescopic rods (304), the other end of the first telescopic rods (304) being connected to one side of the base box (2), and the two first telescopic rods (304) being symmetrically distributed on both sides of the lead screw seat (303).

8. The high-altitude assembly welding device for steel structure lattice shell according to claim 7 is characterized in that: The base box (2) is provided with movable grooves (305) on all sides, the screw seat (303) is slidably connected in the movable groove (305), one end of the movable screw (310) is rotatably connected to a mounting seat (309), and one end of the mounting seat (309) is connected to the top of the inner wall of the base box (2).

9. The high-altitude assembly welding device for steel structure lattice shell according to claim 7 is characterized in that: The bottom of the inner wall of the base box (2) is connected to a fixed motor (306) via a second mounting plate, one end of an output shaft of the fixed motor (306) is connected to one end of a connecting shaft, and the other end of the connecting shaft extends into the interior of the support tube (4) and is connected to a lifting screw (308), one end of the lifting screw (308) is threadedly connected to a sliding column (5).

10. The high-altitude assembly welding device for steel structure lattice shell according to claim 1 is characterized in that: The top of the sliding column (5) is connected to a rotating device (6), one end of the output shaft of the rotating device (6) is connected to a rotating block (1), one side of the rotating block (1) is connected to a connecting piece (10), and one side of the feeding pipe (9) is connected to the connecting piece (10).

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