Welding equipment for processing tank body of liquid transportation tank truck

Abstract

The utility model relates to the technical field of tank body welding, in particular to a welding device for processing a tank body of a liquid transportation tank truck, which comprises a welding mechanism, the welding mechanism comprises a welding turntable and a tank body inserted and matched on the welding turntable, the outer wall of one side of the welding turntable is provided with a sliding groove, and a polishing mechanism is inserted in the sliding groove in a sliding mode. And the grinding mechanism comprises a square pipe, the bottom of the square pipe is slidably connected with the sliding groove in an inserted mode, a first toothed plate is fixedly connected to the position, located on one side of the sliding groove, of the outer wall of the welding rotary table, a first motor is fixedly connected to the position, located at the bottom end, of the outer wall of the square pipe, a first straight gear is fixedly connected to a rotating shaft of the first motor, and the first straight gear is in meshing transmission with the first toothed plate. According to the tank body polishing device, the first straight gear is driven by the first motor to rotate and be meshed with the first toothed plate, the tank body polishing device can rapidly move according to the position, needing to be welded and repaired, of a tank body, the working efficiency is effectively improved, and in addition, the tank body can be transversely welded through sliding of the polishing mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of tank body welding, in particular to welding equipment for processing the tank body of a liquid transport tank truck. Background Art

[0002] Liquid tanker tank body welding equipment is a special equipment used to manufacture liquid tanker tank bodies. Liquid tanker tank bodies are usually made of metal materials (such as steel or aluminum), so welding is a common method for tank body repair. After a period of use, the parts that need to be welded may become uneven due to corrosion, wear or impact. These uneven surfaces may affect the quality of welding and increase the possibility of defects such as pores, slag inclusions, and incomplete penetration. Utility Model Content

[0003] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a welding equipment for processing the tank body of a liquid transport tank truck. By driving a No. 1 motor to drive a spur gear to rotate and engage with a tooth plate, it can be quickly moved according to the position of the tank body to be welded and repaired, thereby effectively improving work efficiency. In addition, the sliding of the grinding mechanism can also perform transverse welding on the tank body. By driving a No. 2 motor to drive a round rod to rotate and engage with a tooth plate, the square shell can be adjusted to a suitable grinding position according to tank bodies of different calibers, thereby effectively improving work flexibility and work efficiency.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A welding device for processing the tank body of a liquid transport tank truck comprises a welding mechanism, wherein the welding mechanism comprises a welding turntable and a tank body plugged into the welding turntable, a slide groove is provided on an outer wall on one side of the welding turntable, a grinding mechanism is slidably plugged into the slide groove, the grinding mechanism comprises a square tube, the bottom of the square tube is slidably plugged into the slide groove, a tooth plate 1 is fixedly connected to the outer wall of the welding turntable at one side of the slide groove, a No. 1 motor is fixedly connected to the outer wall of the square tube at the bottom end, a spur gear 1 is fixedly connected to the rotating shaft of the No. 1 motor, and the spur gear 1 is meshed with a tooth plate 1 for transmission.

[0006] Furthermore, two tooth plates are fixedly connected at both sides of the outer wall of the square tube near the center, a square shell is slidably inserted into the outer wall of the square tube, a round rod is rotatably connected at the center inside the square shell, two spur gears are fixedly connected at both ends of the outer wall of the round rod, a rotating shaft of a No. 2 motor is fixedly connected to the outer wall of one end of the round rod, the outer wall of the No. 2 motor is fixedly connected to the outer wall of the square shell, and the outer wall of the second spur gear is meshed with tooth plate two for transmission.

[0007] Preferably: the outer wall of the square shell 1 is fixedly connected to the hydraulic rod 2, and the outer wall of one end of the hydraulic rod 2 is fixedly connected to the square shell 2.

[0008] Preferably: the inner wall of one side of the square shell is fixedly connected with a reciprocating threaded rod, the inner wall of the other side of the square shell is rotatably connected with a round rod two, the outer wall of the round rod two is slidably plugged with a bevel gear one, the outer wall of the bevel gear one is fixedly connected with a round tube, the outer wall of one end of the round tube is screwed together with the outer wall of the reciprocating threaded rod, the outer wall of one end of the round rod two is fixedly connected with a No. 3 motor, the outer wall of the No. 3 motor is fixedly connected to the outer wall of the second outer wall of the square shell. The outer wall of one side of the square shell is provided with a square hole one, and a square block is slidably plugged with a place on the inner wall of one side of the square shell near the square hole. The square block is rotatably connected with a spring telescopic rod one, the outer wall of one end of the spring telescopic rod one is fixedly connected with a bevel gear two, the bevel gear two is meshed with the bevel gear one for transmission, and one end of the spring telescopic rod one is rotatably connected with a U-shaped frame, the outer wall of the U-shaped frame is slidably plugged with the outer wall of the second square shell, and the outer wall of one end of the U-shaped frame is fixedly connected with a conical shell.

[0009] Preferably: the outer wall of the U-shaped frame is fixedly connected to a square shell three, the outer wall of the spring telescopic rod one is located inside the square shell three and is fixedly connected to a spur gear three, the outer wall of the U-shaped frame is rotatably connected to a spring telescopic rod two at a position near one end, the outer wall of the spring telescopic rod two is located inside the square shell three and is fixedly connected to a spur gear four, the spur gear three is meshed with the spur gear four for transmission, and the outer wall of one end of the spring telescopic rod two is fixedly connected to a conical disk.

[0010] Preferably: a hydraulic rod three is fixedly connected to the outer wall of one end of the U-shaped frame near the center position, the outer wall of one end of the hydraulic rod three is fixedly connected to a C-shaped frame, square holes two are opened on the outer walls on both sides of the U-shaped frame, and the two square holes two are slidably connected with the C-shaped frame, the spring telescopic rod one is rotatably connected to a T-shaped frame one near the outer wall of one end, the outer wall of the T-shaped frame one is slidably connected to the square hole two, the outer wall of the T-shaped frame one is fixedly connected to an L-shaped frame two, and the outer wall of one end of the L-shaped frame two is rotatably connected to the spring telescopic rod two.

[0011] Preferably, the outer wall of one end of the conical shell is provided with a plurality of circular holes 1 at equal angles around its axis, the outer wall of one end of the conical shell is provided with an annular groove, the inner wall of the annular groove is provided with circular hole 2, and the outer wall of the conical shell is rotatably connected with an annular shell at the annular groove.

[0012] Preferably: the outer wall of the second square shell is fixedly connected to a second T-shaped frame, the outer wall at the top of the second T-shaped frame is fixedly connected to an air pump, the outer wall at one end of the second T-shaped frame is fixedly connected to a fourth square shell, an air pipe is fixedly connected between the air outlet of the air pump and the outer wall of the fourth square shell, the bottom wall of the first square shell is fixedly connected to a third spring telescopic rod, and the outer wall at one end of the third spring telescopic rod is fixedly connected to a hopper.

[0013] Preferably, an L-shaped frame is slidably inserted into the inner wall of the square tube, a hydraulic rod is fixedly connected between the outer wall of the L-shaped frame and the outer wall of the square tube, and a welding gun is fixedly connected to the outer wall of one end of the L-shaped frame.

[0014] Beneficial effects of the utility model:

[0015] 1. A slide groove is opened on the outer wall of one side of the welding turntable, and a grinding mechanism is slidably inserted in the slide groove. The grinding mechanism mainly includes a square tube, and the bottom of the square tube is slidably inserted in the slide groove. A tooth plate 1 is fixedly connected to the outer wall of the welding turntable at one side of the slide groove, and a No. 1 motor is fixedly connected to the outer wall of the square tube at the bottom end. The rotating shaft of the No. 1 motor is fixedly connected to a spur gear 1, and the spur gear 1 is meshed with the tooth plate 1 for transmission. The spur gear 1 is driven by the No. 1 motor to rotate and mesh with the tooth plate 1. According to the position of the tank body to be welded and repaired, it can be quickly moved, effectively improving work efficiency. In addition, the sliding of the grinding mechanism can also perform horizontal welding on the tank body.

[0016] 2. Tooth plates 2 are fixedly connected at both sides of the outer wall of the square tube near the center, a square shell 1 is slidably inserted into the outer wall of the square tube, and a round rod 1 is rotatably connected at the center inside the square shell 1, and spur gears 2 are fixedly connected at both ends of the outer wall of the round rod 1, and the outer wall of one end of the round rod 1 is fixedly connected to the shaft of the No. 2 motor, and the outer wall of the No. 2 motor is fixedly connected to the outer wall of the square shell 1, and the outer wall of the second spur gear is meshed with tooth plates 2. The round rod 1 is driven by the No. 2 motor to rotate and mesh with tooth plates 2. The square shell 1 can be adjusted to a suitable grinding position according to tanks of different calibers, effectively improving work flexibility and work efficiency.

[0017] 3. A hydraulic rod 2 is fixedly connected to the outer wall of the square shell 1, and a square shell 2 is fixedly connected to the outer wall of one end of the hydraulic rod 2. The distance between the square shell 2 and the outer wall of the tank can be quickly adjusted by driving the hydraulic rod 2 according to the tanks of different diameters. It can adapt to pipes or tanks of different diameters and provide a more universal grinding solution. In addition, precise control of the distance between the grinding component and the workpiece helps to achieve a more uniform and consistent grinding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of a partial cross-sectional structure of a grinding mechanism in the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the middle shell of the utility model;

[0022] Figure 4It is a schematic diagram of the U-shaped frame structure in the utility model.

[0023] In the figure: 100, welding mechanism; 110, welding turntable; 111, slide; 112, tooth plate 1; 120, tank; 200, grinding mechanism; 210, square tube; 211, L-shaped frame 1; 212, hydraulic rod 1; 213, welding gun; 214, tooth plate 2; 215, motor 1; 216, spur gear 1; 220, square shell 1; 221, round rod 1; 222, spur gear 2; 223, motor 2; 230, hydraulic rod 2; 231, square shell 2; 232, reciprocating threaded rod; 233, round rod 2; 234, bevel gear 1; 235, round tube; 236, square hole 1; 237, Bevel gear two; 238, spring telescopic rod one; 239, square; 240, U-shaped frame; 241, square shell three; 243, square hole two; 244, hydraulic rod three; 245, C-shaped frame; 246, T-shaped frame one; 247, conical shell; 248, round hole one; 249, annular groove; 250, annular shell; 251, round hole two; 252, L-shaped frame two; 253, spring telescopic rod two; 254, spur gear three; 255, spur gear four; 256, conical disk; 260, motor three; 261, T-shaped frame two; 262, air pump; 263, square shell four; 270, hopper; 271, spring telescopic rod three. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4As shown, a welding device for processing a tank body of a liquid transport tanker includes a welding mechanism 100, the welding mechanism 100 includes a welding turntable 110 and a tank body 120 plugged into the welding turntable 110, a slide groove 111 is provided on the outer wall of one side of the welding turntable 110, a grinding mechanism 200 is slidably plugged into the slide groove 111, the grinding mechanism 200 includes a square tube 210, the bottom of the square tube 210 is slidably plugged into the slide groove 111, a tooth plate 112 is fixedly connected to the outer wall of the welding turntable 110 at one side of the slide groove 111, a motor 215 is fixedly connected to the outer wall of the square tube 210 at the bottom end, a spur gear 216 is fixedly connected to the rotating shaft of the motor 215, and a spur gear 216 is fixedly connected to the rotating shaft of the spur gear 216. 16 is meshed with the tooth plate 112 for transmission, tooth plates 214 are fixedly connected at both sides of the outer wall of the square tube 210 near the center, a square shell 220 is slidably inserted into the outer wall of the square tube 210, a round rod 221 is rotatably connected at the center of the square shell 220, both ends of the outer wall of the round rod 221 are fixedly connected with spur gears 222, the outer wall of one end of the round rod 221 is fixedly connected with the shaft of the second motor 223, the outer wall of the second motor 223 is fixedly connected to the outer wall of the square shell 220, the outer wall of the spur gear 222 is meshed with the tooth plate 214 for transmission, the outer wall of the square shell 220 is fixedly connected with a hydraulic rod 230, and the outer wall of one end of the hydraulic rod 230 is fixedly connected with the square shell 231.

[0026] The inner wall of one side of the square shell 231 is fixedly connected to a reciprocating threaded rod 232, and the inner wall of the other side of the square shell 231 is rotatably connected to a round rod 233. The outer wall of the round rod 233 is slidably plugged with a bevel gear 234, and the outer wall of the bevel gear 234 is fixedly connected to a round tube 235. The outer wall of one end of the round tube 235 is screwed together with the outer wall of the reciprocating threaded rod 232. The outer wall of one end of the round rod 233 is fixedly connected to a No. 3 motor 260, and the outer wall of the No. 3 motor 260 is fixedly connected to the outer wall of the square shell 231. A square hole 236 is opened on the outer wall of one side of the square shell 231. A block 239 is slidably plugged into the inner wall of one side of the square shell 231 near the square hole 236. The block 239 is rotatably connected to a spring telescopic rod 238, and the outer wall of one end of the spring telescopic rod 238 is fixedly connected to the bevel gear 23 7. Bevel gear 237 meshes with bevel gear 1 234 for transmission. One end of spring telescopic rod 1 238 is rotatably connected with U-shaped frame 240. The outer wall of U-shaped frame 240 is slidably plugged with the outer wall of square shell 231. The outer wall of one end of U-shaped frame 240 is fixedly connected with conical shell 247. The outer wall of U-shaped frame 240 is fixedly connected with square shell 3 241. The outer wall of spring telescopic rod 1 238 is located inside square shell 3 241 and is fixedly connected with spur gear 3 254. The outer wall of U-shaped frame 240 is rotatably connected with spring telescopic rod 2 253 near one end. The outer wall of spring telescopic rod 253 is located inside square shell 3 241 and is fixedly connected with spur gear 4 255. Spur gear 3 254 meshes with spur gear 4 255 for transmission. The outer wall of one end of spring telescopic rod 253 is fixedly connected with conical disk 256.

[0027] A hydraulic rod 3 244 is fixedly connected to the outer wall of one end of the U-shaped frame 240 near the center position, and a C-shaped frame 245 is fixedly connected to the outer wall of one end of the hydraulic rod 3 244. Square holes 243 are provided on the outer walls on both sides of the U-shaped frame 240. The two square holes 243 are slidably plugged with the C-shaped frame 245. A spring telescopic rod 1 238 is rotatably connected to a T-shaped frame 1 246 near the outer wall of one end. The outer wall of the T-shaped frame 1 246 is slidably plugged with the square hole 243. An L-shaped frame 252 is fixedly connected to the outer wall of the T-shaped frame 1 246. The outer wall of one end of the L-shaped frame 252 is rotatably connected with the spring telescopic rod 253. A plurality of circular holes 1 248 are provided on the outer wall of one end of the conical shell 247 at equal angles around its axis. An annular groove 249 is provided on the outer wall of one end of the conical shell 247. The inner wall of the annular groove 249 is provided There is a circular hole 251, the outer wall of the conical shell 247 is located at the annular groove 249 and is rotatably connected to the annular shell 250, the outer wall of the square shell 231 is fixedly connected to the T-shaped frame 261, the outer wall of the top of the T-shaped frame 261 is fixedly connected to the air pump 262, the outer wall of one end of the T-shaped frame 261 is fixedly connected to the square shell 4 263, an air pipe is fixedly connected between the air outlet of the air pump 262 and the outer wall of the square shell 4 263, the bottom wall of the square shell 1 220 is fixedly connected to the spring telescopic rod 3 271, the outer wall of one end of the spring telescopic rod 3 271 is fixedly connected to the hopper 270, the inner wall of the square tube 210 is slidably connected with the L-shaped frame 1 211, the outer wall of the L-shaped frame 1 211 is fixedly connected to the outer wall of the square tube 210, and the outer wall of one end of the L-shaped frame 1 211 is fixedly connected to the welding gun 213.

[0028] Specifically, when working, the first motor 215 drives the spur gear 216 to rotate and mesh with the tooth plate 112, and can be quickly moved according to the position of the tank body 120 to be welded and repaired. The second motor 223 drives the round rod 221 to rotate and mesh with the tooth plate 214, and the square shell 220 can be adjusted to a suitable grinding position according to the tank bodies 120 of different calibers. The hydraulic rod 212 drives the welding gun 213 according to the different calibers of the tank bodies 120. The hydraulic rod 230 drives the square shell 231 and the tank body 120 according to the different calibers of the tank bodies 120. The distance between the outer walls can adapt to pipes or tanks of different diameters. The hydraulic rod 3 244 drives the C-shaped frame 245 to slide inside the square hole 243, and quickly adjusts the distance between the C-shaped frame 245 and the inner wall of one side of the square hole 243, effectively controlling the grinding depth of the conical shell 247. The outer wall of the conical shell 247 is fixed with sandpaper. The third motor 260 drives the round rod 233 to rotate and drive the bevel gear 1 234 to mesh with the bevel gear 237, and drives the conical shell 247 to rotate, so as to grind the outer wall of the tank 120. At the same time, the bevel gear 1 234 rotates to drive the round tube 235 to mesh with the reciprocating threaded rod 232. The conical shell 247 is driven to slide back and forth along the track of the square hole 1 236, thereby expanding the grinding width of the welding position and effectively improving the welding quality and grinding uniformity. The sandpaper grains of the conical disk 256 are finer than those of the conical shell 247. The spur gear 3 254 rotates and meshes with the spur gear 4 255, driving the spring telescopic rod 253 to rotate, driving the conical disk 256 to rotate and grind the polished position of the conical shell 247, or cooperating with the welding turntable 110 to drive the tank body 120 to rotate, grinding the polished position, ensuring the smoothness of the tank body 120 at the welding position, improving the welding quality, and By inserting the water pipe into the annular shell 250, water is sprayed out from the circular hole 248 along the conical shell 247, which can reduce the temperature of the grinding area and reduce heat accumulation, thereby reducing the thermal deformation and residual stress generated in the grinding process. At the same time, the water spray can wash away the grinding chips and abrasive particles generated in the grinding process to prevent accumulation on the sandpaper, thereby improving the grinding efficiency. The square shell 220 drives the gas to be sprayed along the square shell 263 to clean the polished position on the tank body 120, clean the remaining debris and moisture, and enter the hopper 270 for collection. The welding gun 213 drives the polished position of the tank body 120 to be welded.

[0029] Embodiment 1

[0030] like Figure 3-4As shown, in this embodiment, the inner wall of one side of the square shell 231 is fixedly connected to the reciprocating threaded rod 232, the inner wall of the other side of the square shell 231 is rotatably connected to the round rod 233, the outer wall of the round rod 233 is slidably plugged with a bevel gear 234, the outer wall of the bevel gear 234 is fixedly connected to a round tube 235, the outer wall of one end of the round tube 235 is screwed and connected to the outer wall of the reciprocating threaded rod 232, the outer wall of one end of the round rod 233 is fixedly connected to the third motor 260, the outer wall of the third motor 260 is fixedly connected to the outer wall of the square shell 231, and the square shell 231 is fixedly connected to the outer wall of the square shell 231. A square hole 236 is provided on the side outer wall, and a block 239 is slidably inserted into the inner wall of one side of the square shell 231 near the square hole 236. The block 239 is rotatably connected to a spring telescopic rod 238. The outer wall of one end of the spring telescopic rod 238 is fixedly connected to a bevel gear 237. The bevel gear 237 is meshed with the bevel gear 234 for transmission. One end of the spring telescopic rod 238 is rotatably connected to a U-shaped frame 240. The outer wall of the U-shaped frame 240 is slidably inserted into the outer wall of the square shell 231. The outer wall of one end of the U-shaped frame 240 is fixedly connected to a conical shell 247.

[0031] In this embodiment, sandpaper is fixed to the outer wall of the conical shell 247, which is driven by the No. 3 motor 260 to drive the round rod 233 to rotate, drive the bevel gear 1 234 to engage with the bevel gear 237, and drive the conical shell 247 to rotate, so as to grind the outer wall of the tank body 120. At the same time, the rotation of the bevel gear 1 234 drives the round tube 235 to engage with the reciprocating threaded rod 232, and drives the rotating conical shell 247 to slide back and forth along the trajectory of the square hole 1 236, thereby expanding the grinding width of the welding position and effectively improving the welding quality and grinding uniformity.

[0032] like Figure 4 As shown, in this embodiment, the outer wall of the U-shaped frame 240 is fixedly connected to the square shell three 241, the outer wall of the spring telescopic rod one 238 is located inside the square shell three 241 and is fixedly connected to the spur gear three 254, the outer wall of the U-shaped frame 240 is rotatably connected to the spring telescopic rod two 253 near one end, the outer wall of the spring telescopic rod two 253 is located inside the square shell three 241 and is fixedly connected to the spur gear four 255, the spur gear three 254 is meshed with the spur gear four 255 for transmission, and the outer wall of one end of the spring telescopic rod two 253 is fixedly connected to the conical disk 256.

[0033] During specific implementation, the sandpaper grains of the conical disk 256 are finer than those of the conical shell 247. The spur gear three 254 rotates and engages with the spur gear four 255, driving the spring telescopic rod two 253 to rotate, driving the conical disk 256 to rotate to grind the polished position of the conical shell 247, or cooperating with the welding turntable 110 to drive the tank body 120 to rotate and grind the polished position to ensure the smoothness of the welding position of the tank body 120 and improve the welding quality.

[0034] Embodiment 2

[0035] like Figure 4 As shown, in this embodiment, a hydraulic rod three 244 is fixedly connected to the outer wall of one end of the U-shaped frame 240 near the center position, and a C-shaped frame 245 is fixedly connected to the outer wall of one end of the hydraulic rod three 244. Square holes 243 are provided on the outer walls on both sides of the U-shaped frame 240. The two square holes 243 are slidably connected with the C-shaped frame 245. A spring telescopic rod 1 238 is rotatably connected to a T-shaped frame 1 246 near the outer wall of one end. The outer wall of the T-shaped frame 1 246 is slidably connected with the square hole 243. The outer wall of the T-shaped frame 1 246 is fixedly connected to an L-shaped frame 252. The outer wall of one end of the L-shaped frame 252 is rotatably connected to the spring telescopic rod 253.

[0036] During specific implementation, the hydraulic rod three 244 drives the C-shaped frame 245 to slide inside the square hole two 243, and quickly adjusts the distance between the C-shaped frame 245 and the inner wall of one side of the square hole two 243, effectively controlling the grinding depth of the conical shell 247, improving the grinding uniformity, and improving the stability of welding.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific characteristic structure materials or features described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific characteristic structure materials or features described can be combined in any one or more embodiments or examples in a suitable manner.

[0038] The above contents are merely examples and explanations of the present utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the present utility model.

Claims

1. A welding device for processing the tank body of a liquid transport tanker, characterized in that: The welding mechanism (100) comprises a welding turntable (110) and a 120 plugged into the welding turntable (110); a sliding groove (111) is provided on an outer wall of one side of the welding turntable (110); a grinding mechanism (200) is slidably plugged into the interior of the sliding groove (111); The grinding mechanism (200) comprises a square tube (210), the bottom of the square tube (210) is slidably plugged into the slide groove (111), the outer wall of the welding turntable (110) is fixedly connected with a tooth plate (112) at one side of the slide groove (111), the outer wall of the square tube (210) is fixedly connected with a motor (215) at the bottom end, the rotating shaft of the motor (215) is fixedly connected with a spur gear (216), and the spur gear (216) is meshed with the tooth plate (112) for transmission.

2. The welding equipment for processing the tank body of a liquid transport tanker according to claim 1 is characterized in that: The outer wall of the square tube (210) is fixedly connected with toothed plates 2 (214) at positions near the center on both sides; the outer wall of the square tube (210) is slidably plugged with a square shell 1 (220); a round rod 1 (221) is rotatably connected at the center inside the square shell 1 (220); both ends of the outer wall of the round rod 1 (221) are fixedly connected with spur gear 2 (222); the outer wall of one end of the round rod 1 (221) is fixedly connected with the rotating shaft of the second motor (223); the outer wall of the second motor (223) is fixedly connected to the outer wall of the square shell 1 (220); the outer wall of the second spur gear 2 (222) is meshed with toothed plates 2 (214) for transmission.

3. The welding equipment for processing the tank body of a liquid transport tanker according to claim 2 is characterized in that: The outer wall of the square shell 1 (220) is fixedly connected to the hydraulic rod 2 (230), and the outer wall of one end of the hydraulic rod 2 (230) is fixedly connected to the square shell 2 (231).

4. The welding equipment for processing the tank body of a liquid transport tanker according to claim 3 is characterized in that: The inner wall of one side of the square shell 2 (231) is fixedly connected with a reciprocating threaded rod (232), the inner wall of the other side of the square shell 2 (231) is rotatably connected with a round rod 2 (233), the outer wall of the round rod 2 (233) is slidably plugged with a bevel gear 1 (234), the outer wall of the bevel gear 1 (234) is fixedly connected with a round tube (235), the outer wall of one end of the round tube (235) is screwed and connected with the outer wall of the reciprocating threaded rod (232), the outer wall of one end of the round rod 2 (233) is fixedly connected with a third motor (260), the outer wall of the third motor (260) is fixedly connected with the outer wall of the square shell 2 (231), and the outer wall of one side of the square shell 2 (231) is provided with A square hole (236) is provided, and a square block (239) is slidably inserted into the inner wall of one side of the square shell (231) near the square hole (236). The square block (239) is rotatably connected to a spring telescopic rod (238). The outer wall of one end of the spring telescopic rod (238) is fixedly connected to a bevel gear (237). The bevel gear (237) is meshed with the bevel gear (234) for transmission. One end of the spring telescopic rod (238) is rotatably connected to a U-shaped frame (240). The outer wall of the U-shaped frame (240) is slidably inserted into the outer wall of the square shell (231). The outer wall of one end of the U-shaped frame (240) is fixedly connected to a conical shell (247).

5. The welding equipment for processing the tank body of a liquid transport tanker according to claim 4 is characterized in that: The outer wall of the U-shaped frame (240) is fixedly connected to the square shell three (241); the outer wall of the spring telescopic rod one (238) is located inside the square shell three (241) and is fixedly connected to the spur gear three (254); the outer wall of the U-shaped frame (240) is rotatably connected to the spring telescopic rod two (253) at a position close to one end; the outer wall of the spring telescopic rod two (253) is located inside the square shell three (241) and is fixedly connected to the spur gear four (255); the spur gear three (254) and the spur gear four (255) are meshed and transmitted; the outer wall of one end of the spring telescopic rod two (253) is fixedly connected to a conical disk (256).

6. The welding equipment for processing the tank body of a liquid transport tanker according to claim 5, characterized in that: A hydraulic rod three (244) is fixedly connected to the outer wall of one end of the U-shaped frame (240) near the center position, and a C-shaped frame (245) is fixedly connected to the outer wall of one end of the hydraulic rod three (244). Square holes two (243) are opened on the outer walls of both sides of the U-shaped frame (240). The two square holes two (243) are slidably plugged with the C-shaped frame (245). A spring telescopic rod one (238) is rotatably connected to a T-shaped frame one (246) near the outer wall of one end. The outer wall of the T-shaped frame one (246) is slidably plugged with the square hole two (243). The outer wall of the T-shaped frame one (246) is fixedly connected to an L-shaped frame two (252). The outer wall of one end of the L-shaped frame two (252) is rotatably connected to the spring telescopic rod two (253).

7. The welding equipment for processing the tank body of a liquid transport tanker according to claim 6 is characterized in that: The outer wall of one end of the conical shell (247) is provided with a plurality of first circular holes (248) at equal angles around its axis, the outer wall of one end of the conical shell (247) is provided with an annular groove (249), the inner wall of the annular groove (249) is provided with a second circular hole (251), and the outer wall of the conical shell (247) is rotatably connected to a ring shell (250) at the annular groove (249).

8. The welding equipment for processing the tank body of a liquid transport tanker according to claim 7 is characterized in that: The outer wall of the second square shell (231) is fixedly connected to the second T-shaped frame (261), the outer wall at the top of the second T-shaped frame (261) is fixedly connected to the air pump (262), the outer wall at one end of the second T-shaped frame (261) is fixedly connected to the fourth square shell (263), an air pipe is fixedly connected between the air outlet of the air pump (262) and the outer wall of the fourth square shell (263), the bottom wall of the first square shell (220) is fixedly connected to the third spring telescopic rod (271), and the outer wall at one end of the third spring telescopic rod (271) is fixedly connected to the hopper (270).

9. The welding equipment for processing the tank body of a liquid transport tanker according to claim 8, characterized in that: An L-shaped frame (211) is slidably inserted into the inner wall of the square tube (210), a hydraulic rod (212) is fixedly connected between the outer wall of the L-shaped frame (211) and the outer wall of the square tube (210), and a welding gun (213) is fixedly connected to the outer wall of one end of the L-shaped frame (211).

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