Welding turnover device for pressure container

Abstract

The invention discloses a welding turnover device for a pressure container, and relates to the technical field of pressure container machining, the welding turnover device comprises a device body, the device body comprises an outer frame, a mounting frame is fixed on the surface of the outer frame, an electrical box is arranged on the mounting frame, a pedal type sensor is arranged on the surface of the outer frame, and a pressure sensor is arranged on the pedal type sensor. A base is installed at the top of the outer frame, a rotating shaft is rotatably connected to the interior of the base, a main display lamp is arranged at the top of the electrical box, an overturning piece is fixed to one end of the rotating shaft and comprises a connecting plate, and a first installation plate, a first guide strip and a second guide strip are fixed to the surface of the connecting plate; a second mounting plate is fixed on the surface of the first mounting plate; by arranging the device body, the large pressure container can be turned over easily, so that the physical strength of workers can be saved, and the risks of occupational injuries such as waist sprain of the workers can be prevented.

Description

Technical Field

[0001] This invention relates to the field of pressure vessel processing technology, specifically to a welding and turning device for pressure vessels. Background Technology

[0002] A pressure vessel is a closed pressure-bearing device, usually made of metal. Its core purpose is to contain media such as gases, liquids, or gas-liquid mixtures and withstand corresponding pressures. It is widely used in many industrial fields such as petrochemicals, energy, pharmaceuticals, and food. Common types include storage tanks, reaction vessels, heat exchangers, and gas cylinders. It mainly achieves the storage, reaction, heat exchange, or transportation of media, and has become a key device in industrial production to ensure the smooth progress of processes and the efficient flow of media.

[0003] In the existing technology, pressure vessels need to be welded separately for their upper and lower parts due to the special nature of carrying high-pressure media. Usually, after the upper part is welded, the pressure vessel needs to be flipped over before the lower part is welded. However, large pressure vessels are generally heavy and bulky, making it very inconvenient to manually flip them over. Long-term operation not only consumes physical strength but also increases the risk of occupational injuries such as lumbar sprains.

[0004] Therefore, we propose a welding overturning device for pressure vessels to solve the problems mentioned in the background art. Summary of the Invention

[0005] The purpose of this invention is to provide a welding and turning device for pressure vessels. By setting the device body, large pressure vessels can be easily turned over, which not only saves the physical strength of workers, but also prevents the risk of occupational injuries such as lumbar sprains, thus solving the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a welding and turning device for pressure vessels, comprising a device body, the device body including an outer frame, a mounting bracket fixed to the surface of the outer frame, an electrical box mounted on the mounting bracket, a foot-operated sensor mounted on the surface of the outer frame, a base mounted on the top of the outer frame, a rotating shaft rotatably connected inside the base, a main indicator light mounted on the top of the electrical box, a turning component fixed to one end of the rotating shaft, the turning component including a connecting plate, a first mounting plate, a first guide strip, and a second guide strip fixed to the surface of the connecting plate, a second mounting plate fixed to the surface of the first mounting plate, guide plates fixed to the surfaces of both the first and second guide strips, circular electromagnets mounted in two grooves of the first mounting plate, square electromagnets mounted in two grooves of the second mounting plate, a round rod fixed to one end of the first guide strip, a protective component mounted in the groove at one end of the second guide strip, and a contact sensor mounted on the surface of the first mounting plate.

[0007] Preferably, the protective component includes a protective rod and two T-shaped holes, each T-shaped hole having a T-shaped block movably fitted inside, and each of the two T-shaped blocks having an auxiliary ring fixed to one of their opposite ends.

[0008] Preferably, the surface of the protective rod is provided with a rectangular hole, a main spring is installed between the opposite end faces of the two T-shaped blocks, and both T-shaped holes are opened in the inner wall of the groove of the second guide strip.

[0009] Preferably, the opposite ends of the two T-shaped blocks are movably fitted inside the rectangular hole, the contact sensor and the foot pedal sensor are electrically connected to the electrical box, and the main indicator light, the circular electromagnet and the square electromagnet are all electrically connected to the electrical box.

[0010] Preferably, the device body is provided with a piece counting mechanism, which includes a perforated plate, two blocks and a mounting base. A proximity switch is installed inside the through hole of the perforated plate, a display screen is installed on the surface of the mounting base, and auxiliary indicator lights are arranged around the mounting base. The perforated plate is fixed inside the outer frame.

[0011] Preferably, both stops are fixed to the surface of the first mounting plate, the auxiliary indicator light is mounted on the top of the electrical box, the mounting base is mounted on the top of the electrical box, and the proximity switch, display screen and auxiliary indicator light are all electrically connected to the electrical box.

[0012] Preferably, the device body is provided with a locking mechanism, which includes a bracket, a perforated ring and a cylindrical hole. An auxiliary electromagnet is installed on the top of the inner wall of the bracket, and a U-shaped frame is fixed on the top of the inner wall of the bracket. A T-shaped rod is movably passed through the upper side of the U-shaped frame.

[0013] Preferably, a circular plate is fixedly sleeved on the outer surface of the T-shaped rod, and an auxiliary spring is movably sleeved on the outer surface of the T-shaped rod. The top end of the auxiliary spring is installed with the bottom of the U-shaped frame, and the bottom end of the auxiliary spring is installed with the top of the circular plate.

[0014] Preferably, the auxiliary electromagnet is located inside the U-shaped frame, the bottom end of the T-shaped rod is movably sleeved between the through hole of the perforated ring and the inside of the cylindrical hole, and the bracket is fixed to the top of the outer frame.

[0015] Preferably, the perforated ring is installed on the upper side of the base and is movably sleeved on the outer surface of the rotating shaft. The cylindrical hole is opened on the outer surface of the rotating shaft, and the auxiliary electromagnet is electrically connected to the electrical box.

[0016] Compared with the prior art, the beneficial effects of the present invention are: 1. In this invention, by setting up the device body, large pressure vessels can be easily flipped, which not only saves the physical strength of workers but also prevents the risk of occupational injuries such as lumbar sprains. During use, the pressure vessel, located between the first and second guide rails and hung on the hook, is moved towards the second mounting plate via two guide plates. When the pressure vessel contacts the contact sensor, the activated circular and square electromagnets attract the pressure vessel, fixing it between the first and second mounting plates. Simultaneously, the main indicator light illuminates to alert the worker. The pressure vessel is then separated from the hook, and then moved by two opposing auxiliary rings, two T-blocks, and two... The T-shaped and rectangular holes stretch the main spring, then rotate the protective rod 180 degrees towards the round rod. Return both T-shaped blocks to their original positions. Next, the rotating round rod, base, rotating shaft, and outer frame drive the flipping component to rotate. Then, the rotating flipping component, round electromagnet, and square electromagnet drive the pressure vessel to rotate. When the pressure vessel has rotated 180 degrees, stop rotating. Connect the hook to the flipped pressure vessel. Then, return the protective rod to its original position via the auxiliary ring, T-shaped blocks, T-shaped holes, rectangular holes, and main spring. Finally, release the pressure vessel by stepping on the foot pedal sensor, electrical box, round electromagnet, and square electromagnet. The flipped pressure vessel can then be removed using the hook.

[0017] 2. In this invention, by setting up a piece counting mechanism, staff can monitor the production progress in real time, thereby quickly understanding the amount of welding tasks completed and facilitating resource allocation. When the flipping part drives the pressure vessel to rotate through the rotating shaft and the base, the rotating flipping part will cause both stops to rotate. When the pressure vessel rotates 180 degrees, one of the stops will be close to the proximity switch. At this time, the proximity switch will trigger an electrical signal and transmit it to the electrical box. The electrical box will complete a counting and statistics and display the piece counting result on the display screen, thereby realizing automatic piece counting operation. It will also remind the staff through auxiliary display lights.

[0018] 3. In this invention, by setting a locking mechanism, the flipping component can be instantly and securely locked after rotating to the target position, thereby effectively suppressing the swaying caused by inertia. This makes it easier for workers to remove the flipped pressure vessel. When the pressure vessel comes into contact with the contact sensor, the auxiliary electromagnet activated at this time will attract the T-shaped rod through the bracket, causing the T-shaped rod to move upward. The upward-moving T-shaped rod will compress the auxiliary spring through the U-shaped frame and the circular plate. At this time, the upward-moving T-shaped rod will separate from the cylindrical hole. When the pressure vessel rotates 180 degrees, the auxiliary electromagnet closed at this time will release the T-shaped rod, and the T-shaped rod will move vertically downward through the rebound force of the U-shaped frame and the auxiliary spring until the bottom end of the T-shaped rod is fitted into the inside of the cylindrical hole. At this time, the rotating shaft can be locked by the T-shaped rod, the auxiliary spring, the cylindrical hole, the U-shaped frame and the perforated ring, thereby preventing the flipping component from causing the pressure vessel to sway due to inertia. Attached Figure Description

[0019] Figure 1 This is a perspective view of a welding and turning device for a pressure vessel according to the present invention; Figure 2 This is another perspective view of a welding and turning device for a pressure vessel according to the present invention. Figure 3 This is a schematic diagram of the structure of a welding and turning device for a pressure vessel according to the present invention; Figure 4 This is a schematic diagram of another angle of the welding and turning device for pressure vessels according to the present invention. Figure 5 This is a partial perspective view of a welding and turning device for a pressure vessel according to the present invention. Figure 6 This is a sectional perspective view of the main body of a welding and turning device for a pressure vessel according to the present invention. Figure 7 This is a perspective view of another angle of a welding and turning device for a pressure vessel according to the present invention. Figure 8 This is a partial structural schematic diagram of a welding and turning device for a pressure vessel according to the present invention. Figure 9 This is a partial sectional perspective view of a welding and turning device for a pressure vessel according to the present invention.

[0020] In the diagram: 1. Device body; 101. Outer frame; 102. Mounting bracket; 103. Electrical box; 104. Foot-operated sensor; 105. Base; 106. Rotating shaft; 107. Flip-over component; 1070. Connecting plate; 1071. First mounting plate; 1072. Second mounting plate; 1073. First guide bar; 1074. Second guide bar; 1075. Guide plate; 108. Contact sensor; 109. Main indicator light; 110. Circular electromagnet; 111. Square electromagnet; 112. Round rod; 113. Anti-corrosion... 1. Protective components; 1130, Protective rod; 1131, T-shaped hole; 1132, T-shaped block; 1133, Auxiliary ring; 1134, Rectangular hole; 1135, Main spring; 2. Piece counting mechanism; 201, Perforated plate; 202, Proximity switch; 203, Stop block; 204, Auxiliary indicator light; 205, Mounting base; 206, Display screen; 3. Locking mechanism; 301, Bracket; 302, Auxiliary electromagnet; 303, U-shaped frame; 304, T-shaped rod; 305, Round plate; 306, Auxiliary spring; 307, Perforated ring; 308, Cylindrical hole. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Example 1: Please refer to Figures 1-9As shown, the present invention provides a technical solution: a welding and turning device for pressure vessels, comprising a device body 1, the device body 1 including an outer frame 101, a mounting bracket 102 fixed to the surface of the outer frame 101, an electrical box 103 mounted on the mounting bracket 102, a foot-operated sensor 104 mounted on the surface of the outer frame 101, a base 105 mounted on the top of the outer frame 101, a rotating shaft 106 rotatably connected inside the base 105, a main indicator light 109 mounted on the top of the electrical box 103, and the rotating shaft 106... One end of 06 is fixed with a flipping component 107, which includes a connecting plate 1070. A first mounting plate 1071, a first guide strip 1073, and a second guide strip 1074 are fixed to the surface of the connecting plate 1070. A second mounting plate 1072 is fixed to the surface of the first mounting plate 1071. Guide plates 1075 are fixed to the surfaces of both the first guide strip 1073 and the second guide strip 1074. Circular electromagnets 110 are provided in the two grooves of the first mounting plate 1071. The second mounting plate 1072... Square electromagnets 111 are installed in both recesses. A round rod 112 is fixed to one end of the first guide bar 1073. A protective member 113 is installed in the recess of one end of the second guide bar 1074. A contact sensor 108 is installed on the surface of the first mounting plate 1071. The protective member 113 includes a protective rod 1130 and two T-shaped holes 1131. A T-shaped block 1132 is movably fitted inside each T-shaped hole 1131. An auxiliary ring 1133 is fixed to the opposite end face of each of the two T-shaped blocks 1132. The protective rod 11... A rectangular hole 1134 is provided on the surface of 30. A main spring 1135 is installed between the opposite end faces of two T-shaped blocks 1132. Both T-shaped holes 1131 are opened in the inner wall of the groove of the second guide strip 1074. The opposite ends of the two T-shaped blocks 1132 are movably sleeved inside the rectangular hole 1134. The contact sensor 108 and the foot pedal sensor 104 are electrically connected to the electrical box 103. The main indicator light 109, the circular electromagnet 110 and the square electromagnet 111 are all electrically connected to the electrical box 103.

[0023] In this embodiment, during use, the outer frame 101 is installed in a suitable position. Then, the door of the electrical box 103 is opened to check and confirm the stored power level inside, to prevent equipment malfunction due to power outages or sudden power failures (if the power is insufficient, it needs to be replenished in time). Next, the pressure vessel hanging on the hook is moved between the first guide bar 1073 and the second guide bar 1074. Then, along the two guide plates 1075, the pressure vessel is moved towards the second mounting plate 1072. When the pressure vessel contacts the contact sensor 108, the electrical box 103 will directly activate the two circular electromagnets 110, the two square electromagnets 111, and the main indicator light 109. At this time, the activated circular electromagnets 110 and the activated... The square electromagnet 111 will attract the pressure vessel and fix it between the first mounting plate 1071 and the second mounting plate 1072. Simultaneously, the main indicator light 109 will illuminate to alert the operator. Then, the pressure vessel will be separated from the hook. Next, a force will be applied to each of the two auxiliary rings 1133, causing them to move in opposite directions. These opposing auxiliary rings will pass through two T-blocks 1132, two T-holes 1131, and a rectangular hole 1134, stretching the main spring 1135. When both T-blocks 1132 have separated from the rectangular hole 1134, the protective rod 1130 will be rotated 90 degrees towards the round rod 112. Slowly release the force applied to the two auxiliary rings 1133. At this time, the two T-blocks 1132 will return to their original positions under the cooperation of the rebound force of the main spring 1135 and the rectangular hole 1134. The protective rod 1130 will be fixed in the groove of the second guide bar 1074 under the cooperation of the main spring 1135, the rectangular hole 1134, the T-hole 1131 and the T-block 1132. Then, apply a force to the round rod 112. At this time, the entire flipping part 107 will rotate through the base 105, the rotating shaft 106 and the outer frame 101. The rotating flipping part 107 will drive the protective part 113 and the contact sensor 108. At the same time, the rotating flipping part 107 will also drive the circular electromagnet 110 and the square electromagnet 111. The pressure vessel is rotated. When the pressure vessel has rotated 180 degrees, the rotation is stopped. Then, the hook is connected to the overturned pressure vessel. The above operation steps are then followed to separate the two T-blocks 1132 from the rectangular hole 1134. The protective rod 1130 is then returned to its original position, and the two T-blocks 1132 are returned to their original positions. Next, the foot pedal sensor 104 is stepped on. The stepped foot pedal sensor 104 will shut down the two circular electromagnets 110 and the two square electromagnets 111 through the electrical box 103. The shut-down circular electromagnets 110 and square electromagnets 111 will release the pressure vessel. The overturned pressure vessel can then be removed using the hook.

[0024] Example 2: According to Figures 1-5and Figures 7-9 As shown, the device body 1 is provided with a piece counting mechanism 2. The piece counting mechanism 2 includes a perforated plate 201, two stops 203 and a mounting base 205. A proximity switch 202 is installed inside the through hole of the perforated plate 201. A display screen 206 is installed on the surface of the mounting base 205. An auxiliary indicator light 204 is arranged around the mounting base 205. The perforated plate 201 is fixed inside the outer frame 101. The two stops 203 are both fixed on the surface of the first mounting plate 1071. The auxiliary indicator light 204 is installed on the top of the electrical box 103. The mounting base 205 is installed on the top of the electrical box 103. The proximity switch 202, the display screen 206 and the auxiliary indicator light 204 are all electrically connected to the electrical box 103.

[0025] In this embodiment, when the flipping component 107 drives the pressure vessel to rotate via the rotating shaft 106 and the base 105, the rotating flipping component 107 will drive both stops 203 to rotate. When the pressure vessel rotates 180 degrees, one of the stops 203 will be close to the proximity switch 202. When the proximity switch 202 detects the stop 203, it triggers an electrical signal and transmits it to the electrical box 103. When the electrical box 103 receives the signal, it will complete a counting and display the counting result on the display screen 206, thereby realizing automatic counting operation. It will also activate the auxiliary display light 204 to remind the staff.

[0026] Example 3: According to Figures 1-5 and Figures 7-9 As shown, the device body 1 is equipped with a locking mechanism 3, which includes a bracket 301, a perforated ring 307, and a cylindrical hole 308. An auxiliary electromagnet 302 is installed on the top of the inner wall of the bracket 301. A U-shaped frame 303 is fixed to the top of the inner wall of the bracket 301. A T-shaped rod 304 is movably passed through the upper side of the U-shaped frame 303. A circular plate 305 is fixedly sleeved on the outer surface of the T-shaped rod 304. An auxiliary spring 306 is movably sleeved on the outer surface of the T-shaped rod 304. The top of the auxiliary spring 306 is installed with the bottom of the U-shaped frame 303. The bottom end of the spring 306 is installed with the top of the circular plate 305. The auxiliary electromagnet 302 is located inside the U-shaped frame 303. The bottom end of the T-shaped rod 304 is movably sleeved between the through hole of the perforated ring 307 and the inside of the cylindrical hole 308. The bracket 301 is fixed to the top of the outer frame 101. The perforated ring 307 is installed on the upper side of the base 105 and is movably sleeved on the outer surface of the rotating shaft 106. The cylindrical hole 308 is opened on the outer surface of the rotating shaft 106. The auxiliary electromagnet 302 is electrically connected to the electrical box 103.

[0027] In this embodiment, when the pressure vessel comes into contact with the contact sensor 108, the electrical box 103 directly activates the auxiliary electromagnet 302. The activated auxiliary electromagnet 302, through the bracket 301, attracts the T-shaped rod 304, causing the T-shaped rod 304 to move upward. Simultaneously, the upward-moving T-shaped rod 304, through the U-shaped frame 303 and the circular plate 305, compresses the auxiliary spring 306. The bottom end of the upward-moving T-shaped rod 304 separates from the cylindrical hole 308. When the flipping component 107 drives the pressure vessel to rotate through the rotating shaft 106 and the base 105, the rotating shaft 106 drives the cylindrical hole 308 to rotate. When the opening of 08 moves together, and the pressure vessel rotates 180 degrees, the electrical box 103 will close the auxiliary electromagnet 302. At this time, the closed auxiliary electromagnet 302 will release the T-shaped rod 304. The T-shaped rod 304 will move vertically downward under the cooperation of the U-shaped frame 303 and the rebound force of the auxiliary spring 306 until the bottom end of the T-shaped rod 304 is sleeved inside the cylindrical hole 308. At the same time, the rotating shaft 106 will be locked by the cooperation of the T-shaped rod 304, the auxiliary spring 306, the cylindrical hole 308, the U-shaped frame 303 and the perforated ring 307, thereby preventing the flipping part 107 from causing the pressure vessel to swing inertia.

[0028] The overall effect and working principle of the mechanism are as follows: During use, the outer frame 101 is installed in a suitable position. Then, the door of the electrical box 103 is opened to check and confirm the stored power level inside, preventing equipment malfunction due to power outages or sudden power failures (if the power is insufficient, it needs to be replenished promptly). Next, the pressure vessel hanging on the hook is moved between the first guide bar 1073 and the second guide bar 1074. Then, along the two guide plates 1075, the pressure vessel is moved closer to the second mounting plate 1072. When the pressure vessel contacts the contact sensor 108, the electrical box 103 will directly activate the two circular electromagnets 110, the two square electromagnets 111, the main indicator light 109, and the auxiliary electromagnet 302. At this time, the activated circular electromagnets... The square electromagnet 110 and the activated square electromagnet 111 attract the pressure vessel, fixing it between the first mounting plate 1071 and the second mounting plate 1072. Simultaneously, the activated main indicator light 109 illuminates to alert the operator. The activated auxiliary electromagnet 302, via the bracket 301, attracts the T-shaped rod 304, causing it to move upwards. Simultaneously, the upward-moving T-shaped rod 304, through the U-shaped bracket 303 and the circular plate 305, compresses the auxiliary spring 306. The bottom end of the upward-moving T-shaped rod 304 separates from the cylindrical hole 308, thus separating the pressure vessel from the hook. Next, a force is applied to each of the two auxiliary rings 1133, causing them to move in opposite directions. The two auxiliary rings 1133 pass through the two T-blocks 1132, the two T-holes 1131, and the rectangular hole 1134, causing the main spring 1135 to be stretched. When both T-blocks 1132 separate from the rectangular hole 1134, the protective rod 1130 is rotated 90 degrees towards the round rod 112. Then, the force applied to the two auxiliary rings 1133 is slowly released. At this time, the two T-blocks 1132 will return to their original position under the cooperation of the rebound force of the main spring 1135 and the rectangular hole 1134. The protective rod 1130 will be fixed in the groove of the second guide bar 1074 under the cooperation of the main spring 1135, the rectangular hole 1134, the T-hole 1131, and the T-blocks 1132. Then, a force is applied to the round rod 112. The flipper 107 rotates via the base 105, rotating shaft 106, and outer frame 101. This rotation causes the protective component 113, contact sensor 108, and two stops 203 to rotate as well. Simultaneously, the rotating shaft 106 moves the opening of the cylindrical hole 308. The flipper 107 also drives the pressure vessel to rotate via the circular electromagnet 110 and square electromagnet 111. When the pressure vessel rotates 180 degrees, one of the stops 203 comes close to the proximity switch 202. Upon detecting the stop 203, the proximity switch 202 triggers an electrical signal, which is transmitted to the electrical box 103. Upon receiving the signal, the electrical box 103 completes a counting operation.The piece-counting results are displayed on screen 206, enabling automatic piece-counting. An auxiliary indicator light 204 is also activated to alert staff. Simultaneously, the electrical box 103 deactivates the auxiliary electromagnet 302. This deactivated electromagnet releases the T-shaped rod 304, which, under the combined force of the U-shaped bracket 303 and the auxiliary spring 306, moves vertically downwards until its bottom end engages with the cylindrical hole 308. At the same time, the T-shaped rod 304, auxiliary spring 306, cylindrical hole 308, U-shaped bracket 303, and perforated ring 307 lock the rotating shaft 106, preventing the flipping component 107 from being pulled... The pressure vessel is subjected to inertial swinging. The hook is then connected to the overturned pressure vessel. Following the steps described above, both T-blocks 1132 are separated from the rectangular hole 1134. The protective rod 1130 is then returned to its original position, followed by the return of both T-blocks 1132 to their original positions. Next, the foot pedal sensor 104 is activated. This activates the foot pedal sensor 104, which, through the electrical box 103, shuts down the two circular electromagnets 110 and two square electromagnets 111. The shut-down electromagnets 110 and 111 release the pressure vessel. The overturned pressure vessel can then be removed using the hook.

[0029] The rectangular hole 1134 has a square cross-section, and the cross-sections of the opposite ends of the two T-shaped blocks 1132 are also square, and they are adapted to the rectangular hole 1134.

[0030] The wiring diagrams for the electrical box 103, foot pedal sensor 104, contact sensor 108, main indicator light 109, circular electromagnet 110, square electromagnet 111, proximity switch 202, auxiliary indicator light 204, display screen 206, and auxiliary electromagnet 302 in this invention are common knowledge in the field, and their working principles are known technologies. The appropriate model is selected according to actual use. Therefore, the control methods and wiring layouts for the electrical box 103, foot pedal sensor 104, contact sensor 108, main indicator light 109, circular electromagnet 110, square electromagnet 111, proximity switch 202, auxiliary indicator light 204, display screen 206, and auxiliary electromagnet 302 will not be explained in detail.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A welding roll-over device for pressure vessels comprising a device body (1), characterised in that: The device body (1) includes an outer frame (101), the surface of the outer frame (101) is fixedly connected with a mounting rack (102), the mounting rack (102) is provided with an electrical box (103), the surface of the outer frame (101) is provided with a foot sensor (104), the top of the outer frame (101) is provided with a base (105), the inner side of the base (105) is rotatably connected with a rotating shaft (106), the top of the electrical box (103) is provided with a main display lamp (109), one end of the rotating shaft (106) is fixedly connected with a turnover piece (107), the turnover piece (107) includes a connecting plate (1070), the surface of the connecting plate (1070) is fixedly connected with a first mounting plate (1071), a first guide strip (1073) and a second guide strip (1074), the surface of the first mounting plate (1071) is fixedly connected with a second mounting plate (1072), the surface of the first guide strip (1073) and the surface of the second guide strip (1074) are fixedly connected with a guide plate (1075), two recesses of the first mounting plate (1071) are provided with a circular electromagnet (110), two recesses of the second mounting plate (1072) are provided with a square electromagnet (111), one end of the first guide strip (1073) is fixedly connected with a round rod (112), one end recess of the second guide strip (1074) is provided with a protection piece (113), and the surface of the first mounting plate (1071) is provided with a contact sensor (108).

2. The welded roll-over apparatus for pressure vessels of claim 1, wherein: The protection piece (113) includes a protection rod (1130) and two T-shaped holes (1131), the inner side of each T-shaped hole (1131) is movably sleeved with a T-shaped block (1132), and the end faces of the two T-shaped blocks (1132) are fixedly connected with auxiliary rings (1133).

3. The welded roll-over apparatus for pressure vessels of claim 2, wherein: The surface of the protection rod (1130) is provided with a rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably sleeved in the rectangular hole (1134), the end faces of the two T-shaped blocks (1132) are movably slee 4. The welded roll-over apparatus for pressure vessels of claim 3, wherein: ​ 5. The welded roll-over apparatus for pressure vessels of claim 1, wherein: ​ 6. The welded roll-over apparatus for pressure vessels of claim 5, wherein: Two said stop blocks (203) are fixed on the surface of the first mounting plate (1071), the auxiliary display lamp (204) is installed on the top of the electrical box (103), the mounting seat (205) is installed on the top of the electrical box (103), and the proximity switch (202), the display screen (206) and the auxiliary display lamp (204) are electrically connected with the electrical box (103).

7. The welded roll-over apparatus for pressure vessels of claim 1, wherein: The device body (1) is provided with a locking mechanism (3), the locking mechanism (3) comprises a support (301), a hole ring (307) and a cylindrical hole (308), the inner wall top of the support (301) is provided with an auxiliary electromagnet (302), the inner wall top of the support (301) is fixedly provided with a U-shaped frame (303), and the upper side of the U-shaped frame (303) is movably penetrated through a T-shaped rod (304).

8. The welded roll-over apparatus for pressure vessels of claim 7, wherein: The outer surface of the T-shaped rod (304) is fixedly sleeved with a circular plate (305), the outer surface of the T-shaped rod (304) is movably sleeved with an auxiliary spring (306), the top end of the auxiliary spring (306) is mounted with the bottom of the U-shaped frame (303), and the bottom end of the auxiliary spring (306) is mounted with the top of the circular plate (305).

9. The welded roll-over apparatus for pressure vessels of claim 7, wherein: The auxiliary electromagnet (302) is in the U-shaped frame (303), the bottom end of the T-shaped rod (304) is movably sleeved between the through hole of the hole ring (307) and the inside of the cylindrical hole (308), and the support (301) is fixed on the top of the outer frame (101).

10. The welded roll-over apparatus for pressure vessels of claim 7, wherein: The hole ring (307) is installed on the upper side of the base (105), and the hole ring (307) is movably sleeved on the outer surface of the rotating shaft (106), the cylindrical hole (308) is arranged on the outer surface of the rotating shaft (106), and the auxiliary electromagnet (302) is electrically connected with the electrical box (103).

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