Appearance damage judging machine for carbon fiber full-winding gas cylinder with aluminum liner

Abstract

The invention discloses an appearance damage judgment machine for an aluminum liner carbon fiber full-winding gas cylinder, and belongs to the technical field of special equipment detection. The bottle discharging conveying line is connected to the output end of the detection frame; the detection frame is composed of a bottom frame and a top frame; the top frame fixing frame is arranged above the bottom frame; a rotary positioning platform is arranged at the top of the bottom frame; a rotary positioning mechanism and a bottle moving and conveying mechanism are mounted on the rotary positioning platform; an adjustable bracket is movably mounted at the top of the top frame; a scanning mechanism is adjustably mounted on the adjustable bracket; according to the appearance damage judgment machine for the carbon fiber fully-wound gas cylinder with the aluminum inner container, the high-resolution linear scanning camera and an intelligent judgment algorithm are combined, rapid and accurate grading of damage is achieved, and the appearance damage judgment machine is suitable for various gas cylinder types.

Description

Technical Field

[0001] The invention relates to an appearance damage judgment machine for a gas cylinder with an aluminum liner and fully wrapped carbon fibers, and belongs to the technical field of special equipment detection. Background Art

[0002] In the existing technology, the appearance damage detection of hydrogen cylinders mainly relies on manual visual inspection or manual assisted judgment with low-precision camera equipment, which has the following defects: (1) Large human error: Manual judgment is easily affected by subjective factors, and minor defects such as scratches and gouges are easily missed; (2) Low efficiency: The traditional inspection process is time-consuming and difficult to meet the needs of large-scale regular inspection of gas cylinders; (3) Insufficient equipment accuracy: Ordinary area cameras have low pixels and cannot clearly identify micron-level damage (such as cracks, galvanic corrosion, etc.). In addition, the existing technology lacks an intelligent judgment system that is deeply integrated with national standards (such as GB / T42626-2023) and cannot achieve automatic classification of damage levels. Therefore, in order to solve the above problems, it is urgent to design an automated inspection device that combines a high-resolution linear scan camera with an intelligent judgment algorithm. Summary of the Invention

[0003] To solve the above problems, the present invention proposes an appearance damage judgment machine for gas cylinders with aluminum liner and carbon fiber fully wrapped. It combines a high-resolution linear scan camera with an intelligent judgment algorithm to achieve fast and accurate damage classification and is adaptable to various gas cylinder types.

[0004] The present invention provides an appearance damage assessment machine for aluminum-liner, carbon fiber-wrapped gas cylinders, comprising a control cabinet for overall machine control; the control cabinet is equipped with a touchscreen control system for displaying test results in real time and generating test reports; an image processing module and an intelligent assessment module are integrated into the control cabinet; the output end of the image processing module is connected to the intelligent assessment module; the image processing module is capable of performing noise reduction, enhancement, and feature extraction on images captured by a high-definition linear scan camera, with a specific process comprising grayscale conversion → filtering and noise reduction → edge detection → feature extraction; the intelligent assessment module includes a built-in damage grading algorithm based on the GB / T42626-2023 standard for automatically identifying defects such as scratches, abrasions, gouges, and wear, and determining the damage level (level one to level three); the intelligent assessment module includes a built-in multi-level assessment algorithm, including depth and length threshold analysis for scratches, abrasions, and gouges, which automatically matches the damage level to a preset level; the intelligent assessment module determines the damage level according to national standards, automatically generates a test report, annotates the defect location and level, and, for repairable gas cylinders (level two damage), provides repair process parameters, i.e., outputs repair recommendations; It also includes an inspection frame and a bottle delivery conveyor line connected to the output end of the inspection frame; the inspection frame is composed of a bottom frame and a top frame; the top frame is fixedly mounted above the bottom frame; a rotation positioning platform is provided on the top of the bottom frame; a rotation positioning mechanism and a bottle transfer mechanism are mounted on the rotation positioning platform; an adjustable bracket is movably mounted on the top of the top frame; a scanning mechanism is adjustably mounted on the adjustable bracket; The rotation positioning mechanism includes two symmetrically arranged transmission shafts; each transmission shaft is evenly distributed with a plurality of bottle-turning rubber wheels; both ends of the transmission shaft are connected to the base frame through a bearing seat assembly; at least one of the transmission shafts is connected to the bottle-turning motor through a transmission gear; The bottle transfer mechanism includes a roller frame that is lifted and mounted at the top center of the base frame; a plurality of bottle transfer rollers are arranged on the roller frame at intervals along its length; the bottle transfer rollers are connected to the bottle transfer motor through a transmission chain; and a bottle lifting cylinder is installed at the bottom of the roller frame; The scanning mechanism is composed of a high-precision linear scanning camera and a light source system; the high-precision linear scanning camera and the light source system are symmetrically arranged.

[0005] Furthermore, a transverse plate is fixedly mounted on the base frame; the cylinder body of the bottle-lifting cylinder is fixedly mounted on the lower surface of the transverse plate; the piston rod of the bottle-lifting cylinder passes through the transverse plate and is fixedly connected to the roller frame.

[0006] Furthermore, the transmission shaft on one side is connected to the bottle rotating motor through a transmission gear, and the bearing seat assemblies at both ends of the transmission shaft are fixedly connected to the base frame through a fixed seat; the bearing seat assemblies at both ends of the transmission shaft on the other side are movably connected to the base frame through a movable seat.

[0007] Furthermore, linear guide grooves for embedding the movable seat are fixedly installed on both sides of the base frame; the movable seat is slidably installed in the linear guide grooves, and the movable seat is locked and fixed to the linear guide grooves by fixing nuts.

[0008] Furthermore, a protection frame is installed on the outside of the transmission gear; one side of the protection frame is fixed to the base frame; and the bottle rotating motor is fixedly installed on the bottom of the protection frame.

[0009] Furthermore, a side guard plate is installed at the lower part of the top frame, at the connection between the top frame and the bottom frame.

[0010] Furthermore, a lead screw is horizontally installed in the center of the top of the top frame along its length direction; guide rods are symmetrically installed on both sides of the lead screw; both ends of the lead screw are respectively rotatably connected to the top frame, and one end of the lead screw passes through the top frame and is transmission-connected to the transposition servo motor.

[0011] Furthermore, a protective cover is fixedly installed on the outside of the adjustable bracket; a transposition nut for rotationally connecting with the lead screw and a sliding sleeve for slidingly connecting with the guide rod are installed through the top of the protective cover; the sliding sleeve is arranged on both sides of the transposition nut; The adjustable bracket includes a connecting rod and a universal arm; the upper ends of the connecting rod and the universal arm are fixedly connected to the inner wall of the protective cover respectively; the connecting rod is vertically installed inside the protective cover; the universal arm is tilted on the side of the connecting rod.

[0012] Furthermore, a camera mount is installed on the top of the high-precision linear scan camera; two ear mounts are fixed on the top of the camera mount; one ear mount is rotatably connected to the connecting rod through a pin; the other ear mount is fixedly connected to the adjusting screw through an adjusting nut; the adjusting screw is fixedly connected to the connecting sleeve through a limit nut; and the connecting sleeve is fixedly installed on the side of the connecting rod.

[0013] Furthermore, the light source system includes an outer sleeve, and a multi-angle LED array light source fixedly installed inside the outer sleeve; the upper end of the outer sleeve is fixedly connected to the universal arm through a locking nut.

[0014] Compared with the existing technology, the aluminum liner carbon fiber fully wrapped gas cylinder appearance damage judgment machine of the present invention collects gas cylinder surface images through a high-resolution linear scanning camera, significantly improving the micron-level defect recognition capability; integrating national standards and machine learning models, combining image processing algorithms and GB / T42626-2023 standards, it performs intelligent grading and judgment of complex defects such as scratches, abrasions, gouges, and wear, significantly improving inspection efficiency and accuracy; realizing the automated and scientific assessment of gas cylinder appearance damage, which can be extended to the regular inspection of various gas cylinders. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present invention.

[0016] Figure 2 This is a schematic diagram of the layout structure of the high-precision linear scan camera and light source system according to Example 1 of the present invention.

[0017] Figure 3 Schematic diagram of the bearing seat assembly and movable seat installation structure of embodiment 2 of the present invention.

[0018] Figure 4 Schematic diagram of the workflow of the present invention.

[0019] The components in the attached figure are marked as follows: 1-control cabinet, 2-bottle conveyor line, 3-bottleneck, 4-top frame, 5-rotation positioning mechanism, 51-drive shaft, 52-bottle transfer rubber wheel, 53-bearing seat assembly, 54-bottle transfer motor, 6-bottle transfer transmission mechanism, 61-roller frame, 62-bottle transfer roller, 63-bottle top cylinder, 7-adjustable bracket, 71-connecting rod, 72-universal arm, 8-high-precision linear scan camera, 9-light source system, 91-outer sleeve, 92-multi-angle LED array light source, 10-horizontal plate, 11-protective frame, 12-side guard plate, 13-screw, 14-guide rod, 15-transposition servo motor Machine, 16-protective cover, 17-replacement nut, 18-sliding sleeve, 19-camera seat, 20-ear seat, 21-adjusting nut, 22-adjusting screw, 23-limiting nut, 24-connecting sleeve, 25-locking nut, 26-fixed seat, 27-movable seat, 28-linear guide groove, 29-fixing nut, 30-gas cylinder, α-the angle between the axis of the high-precision linear scanning camera and the scanning point on the surface of the gas cylinder, β-the angle between the axis of the multi-angle LED array light source and the scanning point on the surface of the gas cylinder, a-the distance between the high-precision linear scanning camera and the scanning point on the surface of the gas cylinder, b-the distance between the multi-angle LED array light source and the scanning point on the surface of the gas cylinder. DETAILED DESCRIPTION

[0020] Example 1: like Figure 1 and Figure 2 The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinder shown in the figure includes a control cabinet 1 for controlling the whole machine; the control cabinet 1 is equipped with a touch screen control system for real-time display of detection results and generation of detection reports; the control cabinet 1 is integrated with an image processing module and an intelligent judgment module; the output end of the image processing module is connected to the intelligent judgment module; the image processing module can reduce noise, enhance and extract features from images collected by a high-definition linear scan camera, and its specific process is grayscale → filtering and noise reduction → edge detection → feature extraction; the intelligent judgment module has a built-in function for automatically identifying scratches, abrasions, and gouges The intelligent determination module detects defects such as scratches and abrasions and determines the damage level (level 1 to level 3) using a damage grading algorithm based on the GB / T42626-2023 standard. The intelligent determination module has a built-in multi-level determination algorithm, including depth and length threshold analysis of scratches, abrasions, and gouges, and automatically matches them with preset damage levels. The intelligent determination module determines the damage level according to national standards and automatically generates an inspection report, marking the defect location and level. For repairable gas cylinders (level 2 damage), it pushes repair process parameters, that is, outputs repair suggestions. The determination logic is: if the scratch depth is greater than 0.3mm and the length is greater than 20mm, it is determined to be level 2 damage. It also includes an inspection frame and a bottle delivery conveyor line 2 connected to the output end of the inspection frame; the inspection frame is composed of a bottom frame 3 and a top frame 4; the top frame 4 is fixedly mounted above the bottom frame 3; a side guard plate 12 is installed at the lower part of the top frame 4, located at the connection between the top frame 4 and the bottom frame 3; a rotary positioning platform is provided on the top of the bottom frame 3; a rotary positioning mechanism 5 and a bottle transfer mechanism 6 are installed on the rotary positioning platform; an adjustable bracket 7 is movably mounted on the top of the top frame 4; a scanning mechanism is adjustably mounted on the adjustable bracket 7; A lead screw 13 is horizontally mounted in the center of the top of the top frame 4 along its length; guide rods 14 are symmetrically mounted on both sides of the lead screw 13; both ends of the lead screw 13 are rotatably connected to the top frame 4, and one end of the lead screw 13 passes through the top frame 4 and is transmission-connected to a transposition servo motor 15; the transposition servo motor 15 is mounted on the top side of the top frame 4; A protective cover 16 is fixedly mounted on the outside of the adjustable bracket 7; a transposition nut 17 for rotationally connecting to the lead screw 13 and a sliding sleeve 18 for slidingly connecting to the guide rod 14 are installed through the top of the protective cover 16; the sliding sleeve 18 is arranged on both sides of the transposition nut 17; When in use, the transposition servo motor 15 is activated to drive the lead screw 13 to rotate, thereby driving the protective cover 16 to move back and forth along the axial direction of the lead screw 13, and the guide rods 14 on both sides play a guiding role, thereby improving the stability of the protective cover 16 when moving, and ensuring the shooting accuracy of the scanning mechanism; The adjustable bracket 7 includes a connecting rod 71 and a universal arm 72; the upper ends of the connecting rod 71 and the universal arm 72 are respectively fixedly connected to the inner wall of the protective cover 16; the connecting rod 71 is vertically installed inside the protective cover 16; the universal arm 72 is tilted and arranged on the side of the connecting rod 71; The rotation positioning mechanism 5 includes two symmetrically arranged transmission shafts 51; each transmission shaft 51 is evenly distributed with a plurality of bottle-turning rubber wheels 52; both ends of the transmission shaft 51 are connected to the base frame 3 through a bearing seat assembly 53; at least one side of the transmission shaft 51 is connected to the bottle-turning motor 54 through a transmission gear; a protective frame 11 is installed on the outside of the transmission gear; one side of the protective frame 11 is fixed to the base frame 3; the bottle-turning motor 54 is fixedly installed at the bottom of the protective frame 11; during detection, the transmission shaft 51 driven by the bottle-turning motor 54 rotates, thereby driving the bottle-turning rubber wheels 52 to rotate, and then driving the gas cylinder 30 between the rotating rubber wheels 52 on both sides to rotate, ensuring that the camera scans the outer surface of the gas cylinder 30 with 360° full coverage; The bottle transfer mechanism 6 includes a roller frame 61 that is lifted and mounted at the top center of the base frame 3; a plurality of bottle transfer rollers 62 are arranged on the roller frame 61 at intervals along its length; the bottle transfer rollers 62 are transmission-connected to a bottle transfer motor (not shown) via a transmission chain; the transmission structure in which the motor drives the rollers to rotate via the transmission chain is conventional, and its specific structure and working principle are not described in detail here; a bottle-lifting cylinder 63 is mounted at the bottom of the roller frame 61; a cross plate 10 is fixedly mounted on the base frame 3; the cylinder body of the bottle-lifting cylinder 63 is fixedly mounted on the lower surface of the cross plate 10; the piston rod of the bottle-lifting cylinder 63 passes through the cross plate 10 and is fixedly connected to the roller frame 61; The roller frame 61 is lifted up and down by the bottle-lifting cylinder 63, thereby realizing the switching between lifting and transporting the gas cylinder 30 and rotating detection of the gas cylinder 30; before the gas cylinder 30 is in place, the piston rod of the bottle-lifting cylinder 63 is extended, so that the bottle-moving roller 62 on the roller frame 61 is located above the bottle-transferring rubber wheel 52, and the bottle-moving roller 62 is flush with the transmission roller of the bottle-discharging conveyor line 2; when the gas cylinder 30 is in place, the piston rod of the bottle-lifting cylinder 63 is retracted, driving the roller frame 61 to descend, so that the bottle-moving roller 62 is located below the bottle-transferring rubber wheel 52, and the gas cylinder 30 is separated from the bottle-moving roller 62; after the gas cylinder 30 is detected, the piston rod of the bottle-lifting cylinder 63 is extended again, so that the gas cylinder 30 contacts the bottle-moving roller 62, and the bottle-moving roller 62 is flush with the transmission roller of the bottle-discharging conveyor line 2, and the bottle-moving motor drives the bottle-moving roller 62 to drive the gas cylinder 30 to be smoothly transferred to the bottle-discharging conveyor line 2; The scanning mechanism is composed of a high-precision linear scanning camera 8 and a light source system 9; the high-precision linear scanning camera 8 and the light source system 9 are symmetrically arranged; A camera holder 19 is mounted on the top of the high-precision linear scan camera 8; a linear scan camera with a resolution of not less than 16.78 million pixels (resolution 1024×16384) is used to capture high-definition images of the surface of the gas cylinder 30; two ear seats 20 are fixed on the top of the camera holder 19; one ear seat 20 is rotatably connected to the connecting rod 71 via a pin; the other ear seat 20 is fixedly connected to the adjusting screw 22 via an adjusting nut 21; the adjusting screw 22 is fixedly connected to the connecting sleeve 24 via a limit nut 23; the connecting sleeve 24 is fixedly mounted On the side of the connecting rod 71; the high-precision linear scan camera 8 can be adjustably mounted at the bottom of the connecting rod 71 of the adjustable bracket 7 to achieve angle adjustment; the adjustment process is as follows: loosen the adjusting nut 21 and rotate the limit nuts 23 on the upper and lower sides of the adjusting screw 22 to adjust the position of the adjusting screw 22 on the connecting sleeve 24 up and down, thereby adjusting the inclination angle of the high-precision linear scan camera 8 on the connecting rod 71; at the same time, the focal length can be adjusted to the surface of the gas cylinder 30; cooperate with the rotary positioning mechanism 5 to drive the gas cylinder 30 to rotate at a constant speed to ensure that there is no blind spot in the image acquisition; The light source system 9 includes an outer sleeve 91 and a multi-angle LED array light source 92 fixedly mounted inside the outer sleeve 91. The multi-angle LED array light source eliminates shadow interference and enhances defect contrast. The upper end of the outer sleeve 91 is fixedly connected to the universal arm 72 via a locking nut 25. During detection, the tilt angles of the high-precision linear scan camera 8 and the light source system 9 are adjusted so that the angle between the high-precision linear scan camera 8 and the axis of the scanning point on the surface of the gas cylinder 30 is equal to the angle between the axis of the multi-angle LED array light source 92 and the axis of the scanning point on the surface of the gas cylinder 30, that is, α=β=30°; the distance between the high-precision linear scan camera 8 and the scanning point on the surface of the gas cylinder 30 is less than the distance between the multi-angle LED array light source 92 and the scanning point on the surface of the gas cylinder 30, that is, a<b.

[0021] Example 2: like Figure 3 The structure of the aluminum liner carbon fiber fully wrapped gas cylinder appearance damage judgment machine shown is basically the same as that of Example 1, wherein the transmission shaft 51 on one side is connected to the bottle rotating motor 54 through a transmission gear, and the bearing seat assembly 53 at both ends of the transmission shaft 51 is fixedly connected to the base frame 3 through the fixed seat 26; the bearing seat assembly 53 at both ends of the transmission shaft 51 on the other side is movably connected to the base frame 3 through the movable seat 27. The base frame 3 is fixedly installed with linear guide grooves 28 for embedding the movable seat 27 on both sides; the movable seat 27 is slidably installed in the linear guide grooves 28, and the movable seat 27 is locked and fixed with the linear guide grooves 28 by fixing nuts 29; when it is necessary to place gas cylinders 30 of different specifications, the fixing nuts 29 on the movable seat 27 are loosened, so that the movable seat 27 can move back and forth along the linear guide grooves 28, thereby driving the bearing seat assembly 53 on the movable seat 27 to move back and forth, and then adjusting the spacing between the transmission shafts 51 on both sides, and adjusting the corresponding distance according to the outer diameter of the gas cylinder 30 to be tested; thereby being able to adapt to the detection of gas cylinders 30 of different specifications; in actual application, in order to ensure that the bearings 53 of the bearing seats at both ends can be adjusted synchronously and improve the adjustment accuracy, the movable seat 27 can be connected to the cylinder, or the ball screw assembly can be directly installed at both ends of the base, and the bearing seat assembly 53 can be installed on the ball screw assembly, and the ball screw assembly is driven by the motor to move, thereby driving the bearing seat assemblies 53 at both ends to move back and forth.

[0022] like Figure 4 As shown, the working process of the aluminum liner carbon fiber fully wrapped gas cylinder appearance damage judgment machine of the present invention is as follows: When the gas cylinder 30 to be inspected after surface cleaning is transported to the rotary positioning platform, the proximity switch or infrared probe is used to detect that the gas cylinder 30 is in place, and the control cabinet 1 controls the bottle-lifting cylinder 63 to operate, and the piston rod of the bottle-lifting cylinder 63 retracts, driving the roller frame 61 to descend, so that the bottle-moving roller 62 is located below the bottle-transferring rubber wheel 52, and the gas cylinder 30 is separated from the bottle-moving roller 62; the distance between the two transmission shafts 51 is adjusted so that the gas cylinder 30 is clamped and fixed between the bottle-transferring rubber wheels 52 on both sides; then, the control cabinet 1 controls the transposition servo motor 15 to operate, driving the screw 13 to rotate, thereby The protective cover 16 is driven to move back and forth along the axial direction of the lead screw 13, and the guide rods 14 on both sides play a guiding role, thereby realizing the back and forth movement of the scanning mechanism and moving the scanning mechanism to the shooting position; starting the scanning, controlling the bottle rotating motor 54 to move, driving the transmission shaft 51 to rotate, thereby driving the bottle rotating rubber wheel 52 to rotate, and then driving the gas cylinder 30 between the rotating rubber wheels 52 on both sides to rotate, ensuring that the high-precision linear scanning camera 8 fully covers the outer surface of the gas cylinder 30 360°, realizing the rotation positioning and data synchronization of the gas cylinder 30; through the high-precision linear scanning camera 8 obtains a panoramic image of the surface of the gas cylinder 30 and transmits the scanned image to the control cabinet 1. The image processing module performs noise reduction, enhancement and feature extraction on the image to generate a 3D surface model and mark the defect location. At the same time, the intelligent judgment module automatically identifies defects such as scratches, abrasions, gouges, and wear, and sets the scratch depth threshold according to the GB / T42626-2023 standard parameters (level 1 ≤ 0.1mm, level 2 ≤ 0.3mm, level 3 > 0.3mm), thereby determining the damage level and outputting a report including the damage level, loss location and repair suggestions. Visual inspection report; among them, for the gas cylinder 30 determined to be damaged at the second level, the system recommends the use of carbon fiber reinforcement and repair technology, and verifies the pressure resistance of the repaired gas cylinder 30 through the test bench; after the inspection, the control cabinet 1 controls the piston rod of the bottle-top cylinder 63 to extend again, so that the gas cylinder 30 contacts the bottle-transferring roller 62, and the bottle-transferring roller 62 is flush with the transmission roller of the bottle-discharging conveyor line 2, and the bottle-transferring motor drives the bottle-transferring roller 62 to drive the gas cylinder 30 to be smoothly transferred to the bottle-discharging conveyor line 2, and according to whether there is any loss, the gas cylinder 30 is transported to the qualified area or the qualified area respectively.

[0023] The aluminum liner carbon fiber fully wrapped gas cylinder appearance damage judgment machine of the present invention solves the problems of low efficiency and large errors in manual inspection through high-precision image acquisition and intelligent software analysis, while meeting the strict requirements for damage classification in the GB / T42626-2023 standard; the detection efficiency is improved by more than 80%, and the misjudgment rate is reduced to less than 5%; at the same time, it supports cloud-based storage and analysis of defect data, which can provide a basis for gas cylinder life prediction; and the equipment is adaptable to the inspection of aluminum liner (Type III), plastic liner (Type IV) gas cylinders and other pressure vessels, and has strong scalability.

[0024] The above embodiments are only preferred implementations of the present invention. Therefore, any equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. A device for judging the appearance damage of a gas cylinder with an aluminum liner and fully wrapped carbon fiber, including a control cabinet for controlling the entire device; characterized by: It also includes an inspection frame and a bottle delivery conveyor line connected to the output end of the inspection frame; the inspection frame is composed of a bottom frame and a top frame; the top frame is fixedly mounted above the bottom frame; a rotation positioning platform is provided on the top of the bottom frame; a rotation positioning mechanism and a bottle transfer mechanism are mounted on the rotation positioning platform; an adjustable bracket is movably mounted on the top of the top frame; a scanning mechanism is adjustably mounted on the adjustable bracket; The rotation positioning mechanism includes two symmetrically arranged transmission shafts; each transmission shaft is evenly distributed with a plurality of bottle-turning rubber wheels; both ends of the transmission shaft are connected to the base frame through a bearing seat assembly; at least one of the transmission shafts is connected to the bottle-turning motor through a transmission gear; The bottle transfer mechanism includes a roller frame that is lifted and mounted at the top center of the base frame; a plurality of bottle transfer rollers are arranged on the roller frame at intervals along its length; and a bottle lifting cylinder is installed at the bottom of the roller frame; The scanning mechanism is composed of a high-precision linear scanning camera and a light source system; the high-precision linear scanning camera and the light source system are symmetrically arranged.

2. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1 is characterized by: A transverse plate is fixedly mounted on the base frame; a cylinder body of the bottle-lifting cylinder is fixedly mounted on the lower surface of the transverse plate; a piston rod of the bottle-lifting cylinder passes through the transverse plate and is fixedly connected to the roller frame.

3. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1 is characterized by: The transmission shaft on one side is connected to the bottle rotating motor through a transmission gear, and the bearing seat assemblies at both ends of the transmission shaft are fixedly connected to the base frame through a fixed seat; the bearing seat assemblies at both ends of the transmission shaft on the other side are movably connected to the base frame through a movable seat.

4. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 3 is characterized by: Linear guide grooves for embedding the movable seat are fixedly installed on both sides of the base frame; the movable seat is slidably installed in the linear guide grooves, and the movable seat is locked and fixed to the linear guide grooves by fixing nuts.

5. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 3 is characterized by: A protection frame is installed outside the transmission gear; one side of the protection frame is fixed to the base frame; and the bottle rotating motor is fixedly installed at the bottom of the protection frame.

6. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1, characterized in that: A side guard plate is installed at the lower part of the top frame, at the connection between the top frame and the bottom frame.

7. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1, characterized in that: A lead screw is horizontally installed in the center of the top of the top frame along its length direction; guide rods are symmetrically installed on both sides of the lead screw; both ends of the lead screw are respectively connected to the top frame for rotation, and one end of the lead screw passes through the top frame and is connected to the transposition servo motor for transmission.

8. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1 is characterized by: A protective cover is fixedly installed on the outside of the adjustable bracket; a transposition nut for rotationally connecting with the lead screw and a sliding sleeve for slidingly connecting with the guide rod are installed through the top of the protective cover; the sliding sleeves are arranged on both sides of the transposition nut; The adjustable bracket includes a connecting rod and a universal arm; the upper ends of the connecting rod and the universal arm are fixedly connected to the inner wall of the protective cover respectively; the connecting rod is vertically installed inside the protective cover; the universal arm is tilted on the side of the connecting rod.

9. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1, characterized in that: A camera mount is installed on the top of the high-precision linear scan camera; two ear mounts are fixed on the top of the camera mount; one ear mount is rotatably connected to the connecting rod through a pin; the other ear mount is fixedly connected to the adjusting screw through an adjusting nut; the adjusting screw is fixedly connected to the connecting sleeve through a limit nut; and the connecting sleeve is fixedly installed on the side of the connecting rod.

10. The appearance damage judgment machine for aluminum liner carbon fiber fully wrapped gas cylinders according to claim 1, characterized in that: The light source system includes an outer sleeve and a multi-angle LED array light source fixedly installed inside the outer sleeve; the upper end of the outer sleeve is fixedly connected to the universal arm through a locking nut.

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