A radiographic flaw detection device for liquefied petroleum gas cylinder production

Abstract

The present invention relates to the technical field of liquefied petroleum gas (LPG) cylinder production, and discloses a radiographic flaw detection device for liquefied petroleum gas (LPG) cylinder production, comprising a base, a side frame fixedly mounted on the top of the base, a lap frame fixedly mounted on the top of the base, a fixed cylinder fixedly sleeved on the inner wall of the lap frame, a placement plate slidably sleeved on the inner wall of the fixed cylinder near the top, and a roller movably sleeved on the inner wall of the placement plate. The LPG cylinder is placed on top of the roller, thereby assisting in the discharge of gas from the airbag cushion. The outer edge of the placement plate is moved downward within the inner wall of the fixed cylinder, and an air pump is used to supply air to the clamping airbag ring through an arc groove, assisting in the clamping and limiting of the outer edge of the clamping airbag ring and the outer edge of the LPG cylinder. Two pairs of pressure sensors detect the internal air pressure of the clamping airbag ring and control the air pump to stop operating, thereby ensuring stable clamping and limiting of the LPG cylinder and preventing the position of the LPG cylinder from shifting during the flaw detection process.

Description

Technical Field

[0001] The invention relates to the technical field of liquefied petroleum gas cylinder production, in particular to a ray flaw detection device for liquefied petroleum gas cylinder production. Background Art

[0002] Liquefied petroleum gas cylinders, commonly known as gas tanks, are pressure vessels used to store and transport liquefied petroleum gas. In order to assist in the stable flaw detection of liquefied petroleum gas cylinders during the production process and avoid damage to the liquefied petroleum gas cylinders, a radiographic flaw detection device for liquefied petroleum gas cylinder production is required.

[0003] In the inspection of liquefied petroleum gas cylinders, radiographic inspection is mainly used to detect defects inside and near the surface of the cylinders, such as girth weld defects and material inclusions. Its core is to analyze the defect morphology by imaging after the rays penetrate the metal.

[0004] During use, traditional radiographic flaw detection equipment used in the production of liquefied petroleum gas cylinders places the liquefied petroleum gas cylinder at the bottom of the flaw detection equipment, and then uses the flaw detection equipment to perform circumferential flaw detection on the outer surface of the liquefied petroleum gas cylinder. However, radiographic flaw detection has low sensitivity to opening defects on the outer surface of the liquefied petroleum gas cylinder, and it is difficult to perform stable detection of protruding structures and concave structures, which can easily lead to slag inclusions in the protrusions and accumulation of moisture and impurities in the concave parts, becoming the starting point of corrosion and threatening the life of the cylinder. Summary of the Invention

[0005] The present invention provides a radiographic flaw detection device for use in the production of liquefied petroleum gas cylinders to solve the problems raised by the above-mentioned background technology.

[0006] The present invention provides the following technical solution: a radiographic flaw detection device for the production of liquefied petroleum gas cylinders, comprising a base, a side frame fixedly assembled on the top of the base, a lap frame fixedly assembled on the top of the base, a fixed cylinder fixedly sleeved on the inner wall of the lap frame, a placement plate slidably sleeved on the inner wall of the fixed cylinder near the top, a roller movably sleeved on the inner wall of the placement plate, an airbag cushion fixedly assembled on the bottom of the placement plate, and the bottom of the airbag cushion is fixedly assembled with the inner wall of the fixed cylinder, a fixing ring is provided on the inner wall of the side frame near the top, an adjusting ring is rotatably connected to the inner wall of the fixing ring, and a rotating ring is rotatably sleeved on the inner wall of the adjusting ring, a radiographic flaw detection component is fixedly assembled on the inner wall of the rotating ring, an arc plate is provided on the inner wall of the rotating ring, and a contact sensor 2 is fixedly assembled on the inner wall of the arc plate.

[0007] As a preferred technical solution of the present invention, a connecting groove is provided at the bottom of the inner wall of the airbag cushion, an air storage groove is provided on the inner wall of the fixing tube, a through groove is provided at the top of the inner wall of the air storage groove, and the inner wall of the air storage groove is connected to the inner cavity of the airbag cushion through the inner wall of the through groove and the inner wall of the connecting groove.

[0008] As a preferred technical solution of the present invention, an air pump is fixedly installed on the inner wall of the fixed cylinder, a slot is opened on the inner wall of the fixed cylinder, and the air outlet of the air pump is connected to the inner cavity of the air storage tank through the inner wall of the slot, and the inner wall of the air storage tank is fixedly sleeved with an exhaust pipe of a solenoid valve.

[0009] As a preferred technical solution of the present invention, an arc-shaped groove is provided on the inner wall of the fixed cylinder, and a clamping airbag ring is fixedly installed on the inner wall of the fixed cylinder near the top, and the outer edge of the clamping airbag ring overlaps with the outer edge of the placement plate through the inner wall of the fixed cylinder, and the air outlet of the air pump is connected with the inner wall of the clamping airbag ring through the inner wall of the arc-shaped groove. An auxiliary groove is provided on the inner wall of the fixed cylinder near the top, and the inner wall of the auxiliary groove is connected with the inner wall of the arc-shaped groove and the inner cavity of the clamping airbag ring. A pressure sensor 1 is fixedly installed on the side of the inner wall of the auxiliary groove, and a pressure sensor 2 is fixedly installed on the top of the inner wall of the airbag cushion.

[0010] As a preferred technical solution of the present invention, the bottom of the inner wall of the side frame is fixedly equipped with an outer cylinder, the inner wall of the outer cylinder is slidably sleeved with a middle cylinder, the inner wall of the middle cylinder is slidably sleeved with an inner cylinder, the top of the inner cylinder is fixedly equipped with a slider, and the side of the slider is fixedly sleeved with the outer edge of the fixed ring, the bottom of the inner cylinder is fixedly connected with a tension spring 1, and the bottom of the tension spring 1 is fixedly connected to the bottom of the inner wall of the outer cylinder.

[0011] As a preferred technical solution of the present invention, a circular groove is provided on the inner wall of the side frame near the bottom, and an air supply groove is provided on the top of the base. The air outlet of the air pump is connected to the inner cavity of the outer tube through the inner wall of the air supply groove and the inner wall of the circular groove, and the inner wall of the outer tube is connected to the inner wall of the slider through the inner wall of the middle tube and the inner wall of the inner tube.

[0012] As a preferred technical solution of the present invention, a second tension spring is fixedly connected to the side of the inner wall of the slider, and a protruding rod is fixedly connected to the end of the second tension spring away from the inner wall of the slider. The inner wall of the adjustment ring is fixedly equipped with a rubber pad, and the outer edge of the protruding rod passes through the inner wall of the slider and the inner wall of the fixing ring and is tightly attached to the inner wall of the rubber pad.

[0013] As a preferred technical solution of the present invention, the top of the adjusting ring is fixedly equipped with a U-shaped frame, the top of the U-shaped frame is fixedly equipped with a motor, the output shaft of the motor passes through the inner wall of the U-shaped frame and is fixedly equipped with a gear, and the bottom of the gear is rotatably connected to the top of the adjusting ring, and the top of the rotating ring is fixedly equipped with a convex gear ring, and the convex teeth on the outer edge of the convex gear ring are meshed with the convex teeth on the outer edge of the gear.

[0014] As a preferred technical solution of the present invention, the outer edge of the fixed ring is fixedly equipped with a motor, the output shaft of the motor is fixedly sleeved with a rotating rod, the outer edge of the rotating rod is rotatably sleeved with the inner wall of the fixed ring, and the outer edge of the rotating rod passes through the inner wall of the fixed ring and is fixedly sleeved with the inner wall of the adjusting ring, the inner wall of the rotating ring is fixedly equipped with an electric telescopic rod, and the electric telescopic rod is electrically connected to the contact sensor, the output end of the electric telescopic rod is fixedly equipped with a slide, the inner wall of the slide is slidably sleeved with a slide, the side of the slide is rotatably connected to the side of the arc plate, and the side of the inner wall of the slide is fixedly equipped with an ultrasonic ranging sensor.

[0015] As a preferred technical solution of the present invention, a contact sensor 1 is fixedly mounted on the inner wall of the top of the slider, and the contact sensor 1, the ultrasonic ranging sensor, and the pressure sensor 1 and the pressure sensor 2 are all electrically connected to the air pump.

[0016] The present invention has the following beneficial effects:

[0017] 1. This radiographic flaw detection device for LPG cylinder production uses a placement plate and a roller. The LPG cylinder is placed on top of the roller, and the solenoid valve exhaust pipe assists in exhausting the gas inside the gas storage tank, thereby assisting in exhausting the gas inside the airbag cushion. The outer edge of the placement plate moves downward within the inner wall of the fixed cylinder, assisting the outer edge of the LPG cylinder near the bottom to be limited to the inner wall of the fixed cylinder. An air pump supplies air to the clamping airbag ring through the arc groove, assisting in clamping and limiting the outer edge of the clamping airbag ring with the outer edge of the LPG cylinder. Two pressure sensors are used to detect the air pressure inside the clamping airbag ring and control the air pump to stop operation, thereby ensuring the stable clamping and limiting of the LPG cylinder, and preventing the LPG cylinder from shifting during the flaw detection process, which affects the measurement accuracy.

[0018] An air pump is used to supply air to the inside of the airbag cushion through the inner wall of the air storage tank, the through groove and the connecting groove, and then the airbag cushion is used to push the placement plate upward until the top of the placement plate and the top of the fixed cylinder are in the same plane. Then the liquefied petroleum gas cylinder is moved and the roller is used to assist the liquefied petroleum gas cylinder to be pushed conveniently, thereby facilitating the loading and unloading of the liquefied petroleum gas cylinder;

[0019] The air pump supplies air to the inner cavity of the outer cylinder through the air supply groove and the inner wall of the circular groove, thereby assisting the outer edge of the middle cylinder to slide in the inner wall of the outer cylinder, and driving the outer edge of the inner cylinder to slide in the inner wall of the middle cylinder, thereby driving the side of the slider to slide, and using the gas in the inner cylinder to push the protruding rod to move until the side of the protruding rod is in close contact with the inner wall of the rubber pad, thereby ensuring that the adjusting ring is limited on the inner wall of the fixed ring and ensuring that the radiographic flaw detection component can move up stably for flaw detection.

[0020] 2. This radiographic flaw detection device for LPG cylinder production utilizes an adjustment ring and a rotating ring in conjunction with each other. A motor drives the gear to rotate, which in turn drives the cam ring to rotate, which in turn drives the rotating ring to rotate on the inner wall of the adjustment ring. This assists the radiographic flaw detection component in performing circumferential inspection of the LPG cylinder along with the rotating ring. When the top of the first contact sensor contacts the top of the inner wall of the side frame, the air pump stops, thereby assisting in exhausting gas from the outer, middle, and inner cylinders, thereby assisting in moving the cam away from the side of the rubber pad. The motor then drives the outer edge of the adjustment ring to rotate on the inner wall of the fixed ring, thereby assisting in angle adjustment of the radiographic flaw detection component, thereby facilitating stable inspection of the outer surface of the LPG cylinder as required.

[0021] The electric telescopic rod drives the arc plate to move until the inner wall of the arc plate contacts the outer surface of the liquefied petroleum gas cylinder. When the contact sensor 2 contacts the outer surface of the liquefied petroleum gas cylinder, the electric telescopic rod is controlled to stop moving. Then, when the arc plate is adjusted in height along with the rotating ring, the arc plate is driven by the convex and concave parts of the outer surface of the liquefied petroleum gas cylinder, thereby assisting the ultrasonic ranging sensor to detect the distance between the arc plate and the sliding rod, thereby further performing stable flaw detection on the outer surface of the liquefied petroleum gas cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It is a schematic cross-sectional view of the present invention;

[0024] Figure 3 For the present invention Figure 2 A in the middle is an enlarged structural diagram;

[0025] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0026] Figure 5 This is a schematic diagram of the side cross-section structure of the fixing ring of the present invention;

[0027] Figure 6 For the present invention Figure 5 The enlarged structural diagram at C in the middle;

[0028] Figure 7 This is a schematic diagram of the cross-sectional structure of the gas storage tank of the present invention;

[0029] Figure 8 This is a schematic diagram of the airbag cushion structure of the present invention;

[0030] Figure 9 This is a schematic diagram of the partially disassembled structure of the present invention.

[0031] Figure: 1, base; 2, side frame; 3, lap frame; 4, fixing tube; 5, placement plate; 6, roller; 7, airbag cushion; 8, connecting groove; 9, through groove; 10, air storage tank; 11, solenoid valve exhaust pipe; 12, air pump; 13, notch; 14, arc groove; 15, clamping airbag ring; 16, auxiliary groove; 17, pressure sensor 1; 18, pressure sensor 2; 19, outer tube; 20, middle tube; 21, inner tube; 22, tension spring 1; 23, air delivery groove; 24 , circular groove; 25. Slider; 26. Contact sensor 1; 27. Tension spring 2; 28. Protruding rod; 29. ​​Fixed ring; 30. Adjusting ring; 31. U-shaped frame; 32. Motor; 33. Gear; 34. Rotating ring; 35. X-ray flaw detection component; 36. Protruding gear ring; 37. Motor; 38. Rotating rod; 39. Electric telescopic rod; 40. Slide; 41. Ultrasonic ranging sensor; 42. Sliding rod; 43. Arc plate; 44. Contact sensor 2; 45. Rubber pad. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0033] See also Figures 1-9 A radiographic flaw detection device for the production of liquefied petroleum gas cylinders comprises a base 1, a side frame 2 being fixedly mounted on the top of the base 1, a lap frame 3 being fixedly mounted on the top of the base 1, a fixed tube 4 being fixedly sleeved on the inner wall of the lap frame 3, a placement plate 5 being slidably sleeved on the inner wall of the fixed tube 4 near the top, a roller 6 being movably sleeved on the inner wall of the placement plate 5, an airbag cushion 7 being fixedly mounted on the bottom of the placement plate 5, and the bottom of the airbag cushion 7 being fixedly mounted on the inner wall of the fixed tube 4, a fixing ring 29 being provided on the inner wall of the side frame 2 near the top, an adjusting ring 30 being rotatably connected to the inner wall of the fixing ring 29, and a rotating ring 34 being rotatably sleeved on the inner wall of the adjusting ring 30, a radiographic flaw detection component 35 being fixedly mounted on the inner wall of the rotating ring 34, an arc-shaped plate 43 being provided on the inner wall of the arc-shaped plate 43, and a contact sensor 2 44 being fixedly mounted on the inner wall of the arc-shaped plate 43;

[0034] In the above structure, the placement plate 5 is used in conjunction with the roller 6, so that it is convenient to overlap the ramp and other conveying structures on the side of the device to assist the loading of the liquefied petroleum gas cylinder, and the roller 6 is used to assist the liquefied petroleum gas cylinder in auxiliary pushing and unloading, and the diameter of the outer edge of the placement plate 5 is adapted to the diameter of the inner wall of the top of the fixed cylinder 4, so as to ensure that when the outer edge of the placement plate 5 slides in the inner wall of the fixed cylinder 4, the sliding path of the placement plate 5 is more stable, thereby ensuring that the liquefied petroleum gas cylinder can slide stably, and the fixed ring 29 and the adjusting ring 30 are used in conjunction with each other, and the adjusting ring 30 is used to rotate in the inner wall of the fixed ring 29, thereby assisting in driving the rotation of the radiographic flaw detection component 35, thereby facilitating the adjustment of the flaw detection angle of the outer surface of the liquefied petroleum gas cylinder, thereby facilitating the stable adjustment of the different angles of the grooves and protrusions on the outer surface of the liquefied petroleum gas cylinder. Detection, thereby ensuring the stability of radiographic inspection, the radiographic inspection component 35 includes a radiation source and a digital detector, and the radiation source and the digital detector are respectively mounted on the two ends of the inner wall of the rotating ring 34, the radiation source can be X-rays or gamma rays, X-rays are suitable for thin to medium thickness materials (such as gas cylinder wall thickness ≤ 50mm), with high flexibility and adjustable energy, gamma rays have strong penetrating power and are suitable for thick-walled equipment (such as oil storage tanks or thick-walled pipelines), which can be selected according to needs. After the radiation penetrates the object, the internal defects will form a contrast in the digital image due to the density difference. The height and diameter of the outer edge of the fixed ring 29, the adjusting ring 30 and the rotating ring 34 are all consistent, and when the bottom of the fixed ring 29 overlaps with the top of the lap frame 3, the top of the fixed ring 29 and the top of the placement plate 5 are at the same horizontal plane, thereby further ensuring the stable loading and unloading of liquefied petroleum gas cylinders.

[0035] In a preferred embodiment, a connecting groove 8 is formed at the bottom of the inner wall of the airbag cushion 7, an air storage groove 10 is formed on the inner wall of the fixing tube 4, a through groove 9 is formed at the top of the inner wall of the air storage groove 10, and the inner wall of the air storage groove 10 is connected to the inner cavity of the airbag cushion 7 through the inner wall of the through groove 9 and the inner wall of the connecting groove 8;

[0036] In the above structure, by cooperating with the connecting groove 8 and the air storage groove 10, the number of the connecting groove 8 and the through groove 9 are both several, thereby ensuring that when the airbag cushion 7 is subjected to the pressure of the placement plate 5, the gas inside the airbag cushion 7 can be evenly supplied to the inner cavity of the air storage groove 10 through the inner wall of the connecting groove 8 and the inner wall of the through groove 9, thereby avoiding the pressure caused by the gas being concentrated at a single outlet for exhaust when the inside of the airbag cushion 7 is under pressure, thereby affecting the stable operation of the airbag cushion 7.

[0037] In a preferred embodiment, an air pump 12 is fixedly mounted on the inner wall of the fixed cylinder 4, a notch 13 is opened on the inner wall of the fixed cylinder 4, and the air outlet of the air pump 12 is connected to the inner cavity of the air storage tank 10 through the inner wall of the notch 13, and a solenoid valve exhaust pipe 11 is fixedly sleeved on the inner wall of the air storage tank 10;

[0038] In the above structure, by cooperating with the air pump 12 and the slot 13, the air pump 12 is used to supply air to the inner cavity of the air storage tank 10 through the slot 13, thereby using the air storage tank 10 to supply air to the inner cavity of the airbag cushion 7 through the through slot 9 and the connecting slot 8. By adding the solenoid valve exhaust pipe 11, it is convenient to exhaust the internal gas of the auxiliary air storage tank 10 to the outside through the solenoid valve exhaust pipe 11. The air pump 12 adopts a multi-porous air pump 12, which is convenient for supplying air to multiple required supply locations.

[0039] In a preferred embodiment, an arc-shaped groove 14 is provided on the inner wall of the fixed cylinder 4, and a clamping airbag ring 15 is fixedly mounted on the inner wall of the fixed cylinder 4 near the top. The outer edge of the clamping airbag ring 15 passes through the inner wall of the fixed cylinder 4 and overlaps the outer edge of the placement plate 5. The air outlet of the air pump 12 is connected to the inner wall of the clamping airbag ring 15 through the inner wall of the arc-shaped groove 14. An auxiliary groove 16 is provided on the inner wall of the fixed cylinder 4 near the top, and the inner wall of the auxiliary groove 16 is connected to the inner wall of the arc-shaped groove 14 and the inner cavity of the clamping airbag ring 15. A pressure sensor 17 is fixedly mounted on the side of the inner wall of the auxiliary groove 16, and a pressure sensor 2 18 is fixedly mounted on the top of the inner wall of the airbag cushion 7.

[0040] In the above structure, by cooperating with the clamping airbag ring 15 and the arc-shaped groove 14, the air pump 12 is used to supply air to the inner cavity of the clamping airbag ring 15 through the arc-shaped groove 14, so that the clamping airbag ring 15 is used to clamp and limit the outer edge of the liquefied petroleum gas cylinder, ensuring that the liquefied petroleum gas cylinder remains stable during the flaw detection process, avoiding position deviation of the liquefied petroleum gas cylinder and affecting the flaw detection.

[0041] In a preferred embodiment, an outer cylinder 19 is fixedly mounted on the bottom of the inner wall of the side frame 2, a middle cylinder 20 is slidably sleeved on the inner wall of the outer cylinder 19, an inner cylinder 21 is slidably sleeved on the inner wall of the middle cylinder 20, a slider 25 is fixedly mounted on the top of the inner cylinder 21, and the side surface of the slider 25 is fixedly sleeved on the outer edge of the fixing ring 29, a tension spring 1 22 is fixedly connected to the bottom of the inner wall of the outer cylinder 19, and the bottom of the tension spring 1 22 is fixedly connected to the bottom of the inner wall of the outer cylinder 19;

[0042] In the above structure, the middle cylinder 20 and the inner cylinder 21 cooperate with each other, so that the outer edge of the middle cylinder 20 can slide within the inner wall of the outer cylinder 19, and the outer edge of the inner cylinder 21 can slide within the inner wall of the middle cylinder 20, thereby facilitating the improvement of the movement range of the fixing ring 29, thereby improving the detection range of the radiographic flaw detection assembly 35. By adding the tension spring 1 22, the tension spring 1 22 can assist in driving the inner cylinder 21 and the middle cylinder 20 to move downward and reset after the gas inside the outer cylinder 19, the middle cylinder 20 and the inner cylinder 21 is discharged.

[0043] In a preferred embodiment, a circular groove 24 is formed on the inner wall of the side frame 2 near the bottom, and an air supply groove 23 is formed on the top of the base 1. The air outlet of the air pump 12 is connected to the inner cavity of the outer cylinder 19 through the inner wall of the air supply groove 23 and the inner wall of the circular groove 24. The inner wall of the outer cylinder 19 is connected to the inner wall of the slider 25 through the inner wall of the middle cylinder 20 and the inner wall of the inner cylinder 21.

[0044] In the above structure, by cooperating with the air supply groove 23 and the circular groove 24, the air pump 12 is used to supply air to the inner cavity of the outer cylinder 19 through the inner walls of the air supply groove 23 and the circular groove 24, so that the auxiliary gas pushes the middle cylinder 20 to slide in the inner wall of the outer cylinder 19, and drives the outer edge of the inner cylinder 21 to slide in the inner wall of the middle cylinder 20, thereby assisting the inner cylinder 21 to drive the slider 25 to move upward, and using the gas supplied to the inner cavity of the slider 25, the auxiliary protrusion 28 is adjusted in position.

[0045] In a preferred embodiment, a second tension spring 27 is fixedly connected to the side of the inner wall of the slider 25, and a protruding rod 28 is fixedly connected to the end of the second tension spring 27 away from the inner wall of the slider 25. A rubber pad 45 is fixedly mounted on the inner wall of the adjustment ring 30. The outer edge of the protruding rod 28 passes through the inner wall of the slider 25 and the inner wall of the fixing ring 29 and is in close contact with the inner wall of the rubber pad 45.

[0046] In the above structure, by using the tension spring 27 in conjunction with the protruding rod 28, the tension spring 27 is used to pull the protruding rod 28 to move in the inner wall of the slider 25, thereby assisting the side of the protruding rod 28 to move away from the inner wall of the rubber pad 45, thereby avoiding the protruding rod 28 from interfering with the rotation of the adjusting ring 30, and after the adjusting ring 30 rotates, the side of the protruding rod 28 fits against the inner wall of the rubber pad 45, thereby assisting the adjusting ring 30 to limit its position again.

[0047] In a preferred embodiment, a U-shaped frame 31 is fixedly mounted on the top of the adjusting ring 30, a motor 32 is fixedly mounted on the top of the U-shaped frame 31, an output shaft of the motor 32 passes through the inner wall of the U-shaped frame 31 and is fixedly mounted with a gear 33, and the bottom of the gear 33 is rotatably connected to the top of the adjusting ring 30, and a convex gear ring 36 is fixedly mounted on the top of the rotating ring 34, and the convex teeth on the outer edge of the convex gear ring 36 mesh with the convex teeth on the outer edge of the gear 33;

[0048] In the above structure, by adding the U-shaped frame 31, the U-shaped frame 31 is used to assist the motor 32 in stably setting up. By cooperating with the motor 32 and the gear 33, the motor 32 drives the gear 33 to rotate, and the gear 33 is used to push the convex ring gear 36 to rotate, so that the convex ring gear 36 assists in driving the rotating ring 34 to rotate, and then the rotating ring 34 drives the radiographic flaw detection component 35 to adjust its position.

[0049] In a preferred embodiment, the outer edge of the fixed ring 29 is fixedly equipped with a motor 37, the output shaft of the motor 37 is fixedly sleeved with a rotating rod 38, the outer edge of the rotating rod 38 is rotatably sleeved with the inner wall of the fixed ring 29, and the outer edge of the rotating rod 38 passes through the inner wall of the fixed ring 29 and is fixedly sleeved with the inner wall of the adjusting ring 30, the inner wall of the rotating ring 34 is fixedly equipped with an electric telescopic rod 39, the output end of the electric telescopic rod 39 is fixedly equipped with a slide 40, the inner wall of the slide 40 is slidably sleeved with a slide rod 42, the side of the slide rod 42 is rotatably connected to the side of the arc plate 43, and the side of the inner wall of the slide 40 is fixedly equipped with an ultrasonic ranging sensor 41;

[0050] In the above structure, the motor 37 drives the rotating rod 38 to rotate, thereby using the rotating rod 38 to drive the adjusting ring 30 to rotate in the inner wall of the fixed ring 29, and using the adjusting ring 30 to drive the radiographic flaw detection component 35 to adjust the angle through the rotating ring 34, thereby facilitating the radiographic flaw detection component 35 to perform flaw detection at different angles on the outer surface of the liquefied petroleum gas cylinder. By cooperating with the slide 40 and the slide rod 42, the diameter of the outer edge of the slide rod 42 is adapted to the diameter of the inner wall of the slide 40, thereby ensuring that when the outer edge of the slide rod 42 slides in the inner wall of the slide 40, the gas inside the slide 40 is in a sealed state, thereby When the outer edge of the slide rod 42 slides under force in the inner wall of the slide cylinder 40, the gas inside the slide cylinder 40 is squeezed to push the slide rod 42 to reset, and has an auxiliary shock-absorbing effect on the slide rod 42. By adding the electric telescopic rod 39, the electric telescopic rod 39 is used to drive the arc plate 43 to move through the slide rod 42 and the slide cylinder 40, thereby assisting the inner wall of the arc plate 43 to fit the outer edge of the liquefied petroleum gas cylinder. The slide rod 42 is rotatably connected to the arc plate 43, thereby ensuring that the arc plate 43 can still stably fit with the outer surface of the liquefied petroleum gas cylinder when the rotating ring 34 rotates.

[0051] In a preferred embodiment, a contact sensor 1 26 is fixedly mounted on the inner wall of the top of the slider 25, and the contact sensor 1 26, the ultrasonic distance sensor 41, the pressure sensor 1 17, and the pressure sensor 2 18 are all electrically connected to the air pump 12, and the contact sensor 2 44 is electrically connected to the electric telescopic rod 39.

[0052] In the above structure, by the cooperation of the slider 25 and the contact sensor 1 26, the side surface of the slider 25 is used to slide in the inner wall of the side frame 2 until the top of the slider 25 drives the top of the contact sensor 1 26 to contact the top of the inner wall of the side frame 2, thereby using the contact sensor 1 26 to control the air pump 12 to stop operating, and then assist in the discharge of the internal gas of the outer tube 19, the middle tube 20 and the inner tube 21, thereby assisting the side surface of the protruding rod 28 to contact the inner wall of the rubber pad 45, thereby utilizing the convex surface of the protruding rod 28 to limit the inner wall of the rubber pad 45, thereby assisting the adjustment ring 30 to limit the position in the inner wall of the fixing ring 29, and by the cooperation of the pressure sensor 17 and the pressure sensor 2 18, the pressure sensor 17 is used to assist in detecting the internal pressure of the clamping airbag ring 15, and the pressure sensor 2 18 is used to assist in detecting the internal pressure of the airbag cushion 7, so that it is convenient to control the air pump 12 to stop operating when the pressure is too high, thereby assisting the operation of the device to be more stable.

[0053] Working principle: when the device is used, the liquefied petroleum gas cylinder is placed on the top of the roller 6, and the solenoid valve exhaust pipe 11 is used to assist the internal gas of the gas storage tank 10 to be discharged, and then the internal gas of the airbag cushion 7 is assisted to be discharged, so that the outer edge of the placement plate 5 is moved downward in the inner wall of the fixed cylinder 4, and the outer edge of the liquefied petroleum gas cylinder near the bottom is assisted to be limited to the inner wall of the fixed cylinder 4, and the air pump 12 is used to supply air to the clamping airbag ring 15 through the arc groove 14, and the outer edge of the auxiliary clamping airbag ring 15 is clamped and limited with the outer edge of the liquefied petroleum gas cylinder, and the pressure sensor 18 is used to detect the internal air pressure of the clamping airbag ring 15, and the air pump 12 is controlled to stop working, thereby ensuring The liquefied petroleum gas cylinder is stably clamped and limited to avoid the position of the liquefied petroleum gas cylinder being offset during the flaw detection process, which affects the measurement accuracy. The air pump 12 delivers air to the inner cavity of the outer cylinder 19 through the inner wall of the air delivery groove 23 and the circular groove 24, thereby assisting the outer edge of the middle cylinder 20 to slide in the inner wall of the outer cylinder 19, and driving the outer edge of the inner cylinder 21 to slide in the inner wall of the middle cylinder 20, thereby driving the side of the slider 25 to slide, and using the gas from the inner cylinder 21 to push the protruding rod 28 to move until the side of the protruding rod 28 is in close contact with the inner wall of the rubber pad 45, thereby ensuring that the adjusting ring 30 is limited on the inner wall of the fixing ring 29, ensuring that the radiographic flaw detection component 35 is stably moved up for flaw detection, and using the motor 37 to drive the gear The wheel 33 rotates, thereby using the gear 33 to drive the convex ring gear 36 to rotate, and then using the convex ring gear 36 to drive the rotating ring 34 to rotate on the inner wall of the adjustment ring 30, thereby assisting the radiographic flaw detection component 35 to perform circumferential detection on the liquefied petroleum gas cylinder along with the rotating ring 34. When the top of the contact sensor 26 contacts the top of the inner wall of the side frame 2, the air pump 12 stops operating, thereby assisting the discharge of internal gas from the outer tube 19, the middle tube 20, and the inner tube 21, thereby assisting the protruding rod 28 to move away from the side of the rubber pad 45, and utilizing the motor 37 to drive the outer edge of the adjusting ring 30 to rotate on the inner wall of the fixed ring 29, thereby assisting the radiographic flaw detection component 35 to adjust the angle. , thereby facilitating the radiographic flaw detection component 35 to stably detect the outer surface of the liquefied petroleum gas cylinder as required, the electric telescopic rod 39 drives the arc plate 43 to move until the inner wall of the arc plate 43 contacts the outer surface of the liquefied petroleum gas cylinder, and when the contact sensor 2 44 contacts the outer surface of the liquefied petroleum gas cylinder, the electric telescopic rod 39 is controlled to stop moving, and then when the arc plate 43 is adjusted in height along with the rotating ring 34, the arc plate 43 is driven by the protrusions and depressions on the outer surface of the liquefied petroleum gas cylinder, thereby assisting the ultrasonic ranging sensor 41 in detecting the distance between it and the sliding rod 42, thereby further performing stable flaw detection on the outer surface of the liquefied petroleum gas cylinder.

[0054] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0055] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A radiographic flaw detection device for liquefied petroleum gas cylinder production, comprising a base (1), characterized in that: The top of the base (1) is fixedly equipped with a side frame (2), the top of the base (1) is fixedly equipped with a lap frame (3), the inner wall of the lap frame (3) is fixedly sleeved with a fixed cylinder (4), the inner wall of the fixed cylinder (4) near the top is slidably sleeved with a placement plate (5), the inner wall of the placement plate (5) is movably sleeved with a roller (6), the bottom of the placement plate (5) is fixedly equipped with an airbag cushion (7), and the bottom of the airbag cushion (7) is fixedly assembled with the inner wall of the fixed cylinder (4), the inner wall of the side frame (2) near the top is provided with a fixed ring (29), the inner wall of the fixed ring (29) is rotatably connected with an adjustment ring (30), and the inner wall of the adjustment ring (30) is rotatably sleeved with a rotating ring (34), the rotating ring The inner wall of the rotating ring (34) is fixedly equipped with a radiographic flaw detection component (35), the inner wall of the rotating ring (34) is provided with an arc plate (43), the inner wall of the arc plate (43) is fixedly equipped with a contact sensor 2 (44), the inner wall of the fixed cylinder (4) is fixedly equipped with an air pump (12), the inner wall of the fixed cylinder (4) is provided with a notch (13), the inner wall of the fixed cylinder (4) is provided with an air storage tank (10), and the air outlet of the air pump (12) is connected to the inner cavity of the air storage tank (10) through the inner wall of the notch (13), the inner wall of the air storage tank (10) is fixedly sleeved with an electromagnetic valve exhaust pipe (11), the inner wall of the fixed cylinder (4) is provided with an arc groove (14), and the inner wall of the fixed cylinder (4) near the top is provided with an air pump (12). The wall is fixedly equipped with a clamping airbag ring (15), the outer edge of the clamping airbag ring (15) passes through the inner wall of the fixed cylinder (4) and overlaps with the outer edge of the placement plate (5), the air outlet of the air pump (12) passes through the inner wall of the arc groove (14) and is connected to the inner wall of the clamping airbag ring (15), the inner wall of the fixed cylinder (4) near the top is provided with an auxiliary groove (16), and the inner wall of the auxiliary groove (16) is connected to the inner wall of the arc groove (14) and the inner cavity of the clamping airbag ring (15), the side of the inner wall of the auxiliary groove (16) is fixedly equipped with a pressure sensor 1 (17), the top of the inner wall of the airbag cushion (7) is fixedly equipped with a pressure sensor 2 (18), the bottom of the inner wall of the side frame (2) is fixedly equipped with an outer cylinder (19 ), the inner wall of the outer cylinder (19) is slidably sleeved with the middle cylinder (20), the inner wall of the middle cylinder (20) is slidably sleeved with the inner cylinder (21), the top of the inner cylinder (21) is fixedly equipped with a slider (25), and the side of the slider (25) is fixedly sleeved with the outer edge of the fixing ring (29), the bottom of the inner cylinder (21) is fixedly connected with a tension spring (22), and the bottom of the tension spring (22) is fixedly connected to the bottom of the inner wall of the outer cylinder (19), the inner wall of the side frame (2) near the bottom is provided with a circular groove (24), the top of the base (1) is provided with an air delivery groove (23), the air outlet of the air pump (12) is connected to the inner cavity of the outer cylinder (19) through the inner wall of the air delivery groove (23) and the inner wall of the circular groove (24),The inner wall of the outer cylinder (19) is connected to the inner wall of the slider (25) through the inner wall of the middle cylinder (20) and the inner wall of the inner cylinder (21); the outer edge of the fixed ring (29) is fixedly equipped with a motor (37); the output shaft of the motor (37) is fixedly sleeved with a rotating rod (38); the outer edge of the rotating rod (38) is rotatably sleeved with the inner wall of the fixed ring (29); and the outer edge of the rotating rod (38) passes through the inner wall of the fixed ring (29) and is fixedly sleeved with the inner wall of the adjusting ring (30); the inner wall of the rotating ring (34) is fixedly equipped with an electric telescopic rod (39), and the electric telescopic rod (39) is connected to the contact sensor 2 (4 4) Electrical connection, the output end of the electric telescopic rod (39) is fixedly equipped with a slide (40), the inner wall of the slide (40) is slidably sleeved with a slide rod (42), the side of the slide rod (42) is rotatably connected to the side of the arc plate (43), the side of the inner wall of the slide (40) is fixedly equipped with an ultrasonic distance sensor (41), the inner wall of the top of the slider (25) is fixedly equipped with a contact sensor 1 (26), and the contact sensor 1 (26) and the ultrasonic distance sensor (41) as well as the pressure sensor 1 (17) and the pressure sensor 2 (18) are all electrically connected to the air pump (12).

2. The radiographic flaw detection device for liquefied petroleum gas cylinder production according to claim 1, characterized in that: A connecting groove (8) is provided at the bottom of the inner wall of the airbag cushion (7), a through groove (9) is provided at the top of the inner wall of the air storage tank (10), and the inner wall of the air storage tank (10) is connected to the inner cavity of the airbag cushion (7) through the inner wall of the through groove (9) and the inner wall of the connecting groove (8).

3. The radiographic flaw detection device for liquefied petroleum gas cylinder production according to claim 1 is characterized in that: A second tension spring (27) is fixedly connected to the side surface of the inner wall of the slider (25), and a protruding rod (28) is fixedly connected to the end of the second tension spring (27) away from the inner wall of the slider (25). A rubber pad (45) is fixedly assembled on the inner wall of the adjustment ring (30). The outer edge of the protruding rod (28) passes through the inner wall of the slider (25) and the inner wall of the fixing ring (29) and is in close contact with the inner wall of the rubber pad (45).

4. The radiographic flaw detection device for liquefied petroleum gas cylinder production according to claim 1, characterized in that: The top of the adjusting ring (30) is fixedly equipped with a U-shaped frame (31), and the top of the U-shaped frame (31) is fixedly equipped with a motor (32). The output shaft of the motor (32) passes through the inner wall of the U-shaped frame (31) and is fixedly equipped with a gear (33). The bottom of the gear (33) is rotatably connected to the top of the adjusting ring (30). The top of the rotating ring (34) is fixedly equipped with a convex gear ring (36), and the convex teeth on the outer edge of the convex gear ring (36) are meshed with the convex teeth on the outer edge of the gear (33).

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