Nondestructive testing device for fire-fighting steel cylinder

Abstract

The invention discloses a fire-fighting steel cylinder nondestructive testing device which comprises a base, a portal frame arranged at the top of the base, a clamping mechanism used for clamping a fire-fighting steel cylinder and carrying out preliminary detection on the fire-fighting steel cylinder, and the fire-fighting steel cylinder arranged on the side wall of the clamping mechanism, the clamping mechanism is used for clamping a workpiece, the detection mechanism is used for further detecting the clamping mechanism, and the labeling mechanism is used for labeling flaws detected by the detection mechanism. The invention relates to the technical field of nondestructive testing of fire-fighting steel cylinders. When the dial indicator detects the fire-fighting steel cylinder, the side wall of the fire-fighting steel cylinder is cleaned through cooperation of a third electric push rod and a cleaning soft brush, so that the detection precision of the dial indicator is prevented from being affected by garbage attached to the side wall of the fire-fighting steel cylinder; and meanwhile, through cooperation of a second electric sliding rail, an oil collecting tank, a connecting pipe, an electric telescopic pipe and a coating brush, flaws detected by a dial indicator can be marked, so that the flaws can be found at the first time when subsequent workers repair the coating device.

Description

Technical Field

[0001] The invention relates to the technical field of nondestructive detection of fire cylinders, in particular to a nondestructive detection device for fire cylinders. Background Art

[0002] Fire extinguishing equipment such as water-based fire extinguishers and foam fire extinguishers are all made by mixing water with the corresponding fire extinguishing agent, filling it into a cylinder and filling it with nitrogen at a specified pressure. When using it, the user only needs to press the control handle of the fire extinguisher, and the fire extinguishing agent will spray out from the fire extinguisher nozzle to extinguish the flames.

[0003] The existing non-destructive testing device for fire cylinders has a relatively simple structure. At present, when fire cylinders are subjected to non-destructive testing, most of the non-destructive testing devices for fire cylinders will only perform preliminary testing on the fire cylinders, and will not accurately locate the damaged parts of the fire cylinders. At the same time, when the fire cylinders are removed, they are not marked, so that the staff cannot accurately find the damaged parts of the fire cylinders when repairing them.

[0004] To this end, the present invention provides a fire cylinder nondestructive testing device to solve the above problems. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a nondestructive testing device for fire cylinders to solve the above problems.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fire cylinder nondestructive testing device, comprising: A base, and a gantry arranged on the top of the base; A clamping mechanism, the clamping mechanism is used to clamp a fire cylinder and perform preliminary inspection on it, and a fire cylinder arranged on a side wall of the clamping mechanism; A detection mechanism, which is used to further detect the clamping mechanism; A marking mechanism, which is used to mark defects detected by the testing mechanism; The top of the base is fixedly connected to the bottom of the gantry, the inner wall of the base is fixedly connected to the side wall of the marking mechanism, the side wall of the clamping mechanism is slidably connected to the inner wall of the fire cylinder, the top of the detection mechanism is fixedly connected to the top of the inner wall of the gantry, the bottom of the detection mechanism is slidably connected to the side wall of the fire cylinder, and the top of the marking mechanism is slidably connected to the side wall of the fire cylinder; Wherein, the clamping mechanism comprises: A fixed block, and a hydraulic cylinder arranged at the bottom of the fixed block; A hydraulic rod, and a water storage tank arranged at the bottom of the hydraulic rod; A water pump and a water pipe arranged at the water outlet of the water pump; A driving motor, and an electric telescopic rod at an output end of the driving motor; A first electric push rod, and a clamping plate arranged at the bottom of the first electric push rod; The top of the fixed block is fixedly connected to the top of the inner wall of the gantry, the bottom of the hydraulic cylinder is fixedly connected to the top of the hydraulic rod, the top of the hydraulic cylinder is fixedly connected to the bottom of the fixed block, the bottom of the hydraulic rod is fixedly connected to the top of the water tank, the bottom of the water tank is communicated with the top of the water pump, the water pump is communicated with the water pipe through the water outlet, the side of the water tank away from the base is fixedly connected to the side of the drive motor, the drive motor is fixedly connected to the electric telescopic rod through the output end, the side wall of the electric telescopic rod is fixedly connected to the bottom of the first electric push rod, the bottom of the clamping plate is fixedly connected to the top of the first electric push rod, and the side of the clamping plate away from the first electric push rod is slidably connected to the inner wall of the fire cylinder.

[0007] Preferably: the clamping mechanism also includes a connecting round rod, the driving motor is fixedly connected to the side of the connecting round rod away from the water tank on the side close to the water tank, the connecting round rod is fixedly connected to a sealing circular plate on the side away from the driving motor, the bottom of the hydraulic rod is fixedly connected to a connecting block, the connecting block is rotatably connected to a second electric push rod on the side close to the fire cylinder, and the second electric push rod is fixedly connected to an electromagnet on the side away from the connecting block.

[0008] Preferably: the side of the sealing circular plate away from the driving motor is slidably connected to the side wall of the fire cylinder, the side wall of the electric telescopic rod penetrates the sealing circular plate, and the side wall of the electric telescopic rod is rotatably connected to the inner wall of the sealing circular plate, the side of the electromagnet away from the connecting block is slidably connected to the side wall of the fire cylinder, the side of the water storage tank away from the fire cylinder is slidably connected to the inner wall of the gantry, the side of the connecting block away from the fire cylinder is slidably connected to the inner wall of the gantry, the side wall of the water pipe penetrates the sealing circular plate, and the side wall of the water pipe is fixedly connected to the inner wall of the sealing circular plate.

[0009] Preferably: the detection mechanism includes a first electric slide rail, the top of the first electric slide rail is fixedly connected to the top of the inner wall of the gantry, the first electric slide rail is slidably connected to a sliding plate through an electronic slider, the bottom of the sliding plate is fixedly connected to a third electric push rod, the bottom of the third electric push rod is fixedly connected to a cleaning soft brush, the bottom of the sliding plate is fixedly connected to a blocking net, the bottom of the blocking net is fixedly connected to a detection cross plate, the top of the detection cross plate is fixedly connected to a fourth electric push rod, the top of the detection cross plate is fixedly connected to a dial indicator, and the bottom of the sliding plate is fixedly connected to a data analyzer.

[0010] Preferably, the top of the fourth electric push rod is fixedly connected to the bottom of the sliding plate, and the top of the sliding plate is slidably connected to the top of the inner wall of the gantry.

[0011] Preferably: the marking mechanism includes an ink storage box, a side wall of the ink storage box is fixedly connected to the inner wall of the base, a second electric slide rail is fixedly connected to the top of the ink storage box, the second electric slide rail is slidably connected to an oil collection box via an electronic slider, a connecting pipe is connected to the side wall of the oil collection box, a humidity detector is fixedly connected to the top of the oil collection box, the top of the oil collection box is connected to an electric telescopic tube, and a coating brush is fixedly connected to the top of the electric telescopic tube.

[0012] Preferably, the bottom of the connecting pipe is communicated with the top of the ink storage box, and the bottom of the oil collecting box is slidably connected with the top of the ink storage box. Beneficial Effects

[0013] The present invention provides a nondestructive testing device for fire cylinders. Compared with the prior art, it has the following beneficial effects: (1) When the electromagnet clamps and fixes the fire cylinder, the electric telescopic rod, the first electric push rod and the clamping plate can cooperate to clamp and fix fire cylinders of different sizes, thereby expanding the working range of the device. The water tank, water pump, water pipe and humidity detector can cooperate to perform preliminary inspection on the fire cylinder. If the fire cylinder has defects, the inspection mechanism and the marking mechanism can be controlled to perform further inspection on it.

[0014] (2) The fire cylinder nondestructive testing device, when the dial gauge is testing the fire cylinder, the side wall of the fire cylinder is cleaned by the cooperation of the third electric push rod and the cleaning soft brush to prevent the garbage attached to the side wall of the fire cylinder from affecting the detection accuracy of the dial gauge. At the same time, the defects detected by the dial gauge can be marked by the cooperation of the second electric slide rail, the oil collection tank, the connecting pipe, the electric telescopic pipe and the coating brush, so that the subsequent staff can find the defects at the first time when repairing it. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the nondestructive testing device for fire cylinders of the present invention; Figure 2 It is a structural schematic diagram of the clamping mechanism of the present invention; Figure 3 It is a structural schematic diagram of the detection mechanism of the present invention; Figure 4 It is a schematic diagram of the internal structure of the barrier net of the present invention; Figure 5 It is a structural schematic diagram of the marking mechanism of the present invention; Figure 6 yes Figure 5 Enlarged view of point A in .

[0016] In the figure: 1, base; 2, gantry; 3, fire cylinder; 4, clamping mechanism; 5, detection mechanism; 6, marking mechanism; 40, fixing block; 41, hydraulic cylinder; 42, hydraulic rod; 43, connecting round rod; 44, water storage tank; 45, water pump; 451, water pipe; 46, driving motor; 461, sealing circular plate; 47, electric telescopic rod; 48, first electric push rod; 481, clamping plate; 49, connecting block; 491, first Second electric push rod; 492, electromagnet; 50, first electric slide rail; 51, sliding plate; 52, third electric push rod; 53, soft brush for cleaning; 54, blocking net; 55, detection cross plate; 56, fourth electric push rod; 57, dial indicator; 58, data analyzer; 60, ink storage box; 61, second electric slide rail; 62, oil collection tank; 63, connecting pipe; 64, humidity detector; 65, electric telescopic pipe; 66, coating brush. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0018] See also Figure 1 - Figure 2 , a nondestructive testing device for fire cylinders, comprising: A base 1, and a gantry 2 arranged on the top of the base 1; A clamping mechanism 4, the clamping mechanism 4 is used to clamp the fire cylinder and perform preliminary inspection on it, and the fire cylinder 3 is arranged on the side wall of the clamping mechanism 4; A detection mechanism 5, the detection mechanism 5 is used to further detect the clamping mechanism 4; A marking mechanism 6, the marking mechanism 6 is used to mark the defects detected by the detection mechanism 5; The top of the base 1 is fixedly connected to the bottom of the gantry 2, the inner wall of the base 1 is fixedly connected to the side wall of the marking mechanism 6, the inner wall of the clamping mechanism 4 is slidably connected to the side wall of the fire cylinder 3, the top of the detection mechanism 5 is fixedly connected to the top of the inner wall of the gantry 2, the bottom of the detection mechanism 5 is slidably connected to the side wall of the fire cylinder 3, and the top of the marking mechanism 6 is slidably connected to the side wall of the fire cylinder 3; Wherein, the clamping mechanism 4 comprises: A fixed block 40, and a hydraulic cylinder 41 disposed at the bottom of the fixed block 40; A hydraulic rod 42, and a water storage tank 44 disposed at the bottom of the hydraulic rod 42; A water pump 45, and a water delivery pipe 451 provided at a water outlet of the water pump 45; A driving motor 46, and an electric telescopic rod 47 at the output end of the driving motor 46; A first electric push rod 48, and a clamping plate 481 disposed at the bottom of the first electric push rod 48; The top of the fixed block 40 is fixedly connected to the top of the inner wall of the gantry 2, the bottom of the hydraulic cylinder 41 is fixedly connected to the top of the hydraulic rod 42, the top of the hydraulic cylinder 41 is fixedly connected to the bottom of the fixed block 40, the bottom of the hydraulic rod 42 is fixedly connected to the top of the water tank 44, the bottom of the water tank 44 is connected to the top of the water pump 45, the water pump 45 is connected to the water pipe 451 through the water outlet, the side of the water tank 44 away from the base 1 is fixedly connected to the side of the drive motor 46, the drive motor 46 is fixedly connected to the electric telescopic rod 47 through the output end, the side wall of the electric telescopic rod 47 is fixedly connected to the bottom of the first electric push rod 48, the bottom of the clamping plate 481 is fixedly connected to the top of the first electric push rod 48, and the side of the clamping plate 481 away from the first electric push rod 48 is slidably connected to the inner wall of the fire cylinder 3; The clamping mechanism 4 also includes a connecting rod 43, a driving motor 46 is fixedly connected to the side of the connecting rod 43 close to the water tank 44 on the side away from the water tank 44, a sealing circular plate 461 is fixedly connected to the side of the connecting rod 43 away from the driving motor 46, a connecting block 49 is fixedly connected to the bottom of the hydraulic rod 42, a second electric push rod 491 is rotatably connected to the side of the connecting block 49 close to the fire cylinder 3, the second electric push rod 491 is fixedly connected to the side away from the connecting block 49 on the side away from the connecting block 49, and the sealing circular plate 461 is fixedly connected to the side of the fire cylinder 3 on the side away from the driving motor 46. The side wall of the fire cylinder 3 is slidably connected, the side wall of the electric telescopic rod 47 penetrates the sealing circular plate 461, and the side wall of the electric telescopic rod 47 is rotatably connected to the inner wall of the sealing circular plate 461, the side of the electromagnet 492 away from the connecting block 49 is slidably connected to the side wall of the fire cylinder 3, the side of the water storage tank 44 away from the fire cylinder 3 is slidably connected to the inner wall of the gantry 2, the side of the connecting block 49 away from the fire cylinder 3 is slidably connected to the inner wall of the gantry 2, the side wall of the water pipe 451 penetrates the sealing circular plate 461, and the side wall of the water pipe 451 is fixedly connected to the inner wall of the sealing circular plate 461; It should be noted that the staff places the fire cylinder 3 on the surface of the electromagnet 492, starts the electromagnet 492 to preliminarily clamp and fix the fire cylinder 3, starts the electric telescopic rod 47, and the electric telescopic rod 47 drives the clamping plate 481 to move to the inner wall of the fire cylinder 3 through the first electric push rod 48. The first electric push rod 48 drives the clamping plate 481 to move to the inner wall of the fire cylinder 3 to clamp and fix it to prevent the fire cylinder 3 from falling off when it rotates. When the electric telescopic rod 47 is extended, it drives the sealing circular plate 461 to move to the side wall of the fire cylinder 3 to seal it, starts the water pump 45, and the water pump 45 inputs the water source inside the water tank 44 into the interior of the fire cylinder 3 through the water pipe 451, and performs a preliminary inspection on the fire cylinder 3. If there is no water leakage on the surface of the fire cylinder 3, the side wall of the fire cylinder 3 is intact. If water seeps out, the detection mechanism 5 and the marking mechanism 6 are started to further detect it. Example 2

[0019] See also Figure 3 - Figure 4 , this embodiment provides a technical solution based on the first embodiment: the detection mechanism 5 includes a first electric slide rail 50, the top of the first electric slide rail 50 is fixedly connected to the top of the inner wall of the gantry 2, the first electric slide rail 50 is slidably connected to a sliding plate 51 through an electronic slider, the bottom of the sliding plate 51 is fixedly connected to a third electric push rod 52, the bottom of the third electric push rod 52 is fixedly connected to a cleaning soft brush 53, the bottom of the sliding plate 51 is fixedly connected to a blocking net 54, the bottom of the blocking net 54 is fixedly connected to a detection horizontal plate 55, the top of the detection horizontal plate 55 is fixedly connected to a fourth electric push rod 56, the top of the detection horizontal plate 55 is fixedly connected to a dial indicator 57, the bottom of the sliding plate 51 is fixedly connected to a data analyzer 58, the top of the fourth electric push rod 56 is fixedly connected to the bottom of the sliding plate 51, and the top of the sliding plate 51 is slidably connected to the top of the inner wall of the gantry 2; It should be noted that when water seeps out of the fire cylinder 3, the drive motor 46 is started, and the drive motor 46 drives the fire cylinder 3 to rotate through the electric telescopic rod 47, the first electric push rod 48 and the clamping plate 481, and the fourth electric push rod 56 is started. The fourth electric push rod 56 drives the electric telescopic rod 47 to move to the surface of the fire cylinder 3 through the detection cross plate 55, and the first electric slide rail 50 is started. The first electric slide rail 50 drives the dial indicator 57 to move back and forth on the surface of the fire cylinder 3 through the sliding plate 51 and the fourth electric push rod 56 to detect the surface, find the damaged part of the side wall of the fire cylinder 3, and accurately detect the fire cylinder 3. When the first electric slide rail 50 drives the sliding plate 51 to move, the third electric push rod 52 is started, and the third electric push rod 52 drives the cleaning soft brush 53 to move to the side wall of the fire cylinder 3. The first electric slide rail 50 drives the cleaning soft brush 53 to move back and forth on the side wall of the fire cylinder 3 to brush it, so as to avoid garbage attached to the side wall of the fire cylinder 3 affecting the detection accuracy of the dial indicator 57. Example 3

[0020] See also Figure 5 - Figure 6 This embodiment provides a technical solution based on the first embodiment: the marking mechanism 6 includes an ink storage box 60, the side wall of the ink storage box 60 is fixedly connected to the inner wall of the base 1, the top of the ink storage box 60 is fixedly connected to a second electric slide rail 61, the second electric slide rail 61 is slidably connected to an oil collection box 62 through an electronic slider, the side wall of the oil collection box 62 is connected to a connecting pipe 63, the top of the oil collection box 62 is fixedly connected to a humidity detector 64, the top of the oil collection box 62 is connected to an electric telescopic pipe 65, the top of the electric telescopic pipe 65 is fixedly connected to a coating brush 66, the bottom of the connecting pipe 63 is connected to the top of the ink storage box 60, and the bottom of the oil collection box 62 is slidably connected to the top of the ink storage box 60; It should be noted that when the dial indicator 57 detects a defect in the fire cylinder 3, the electric telescopic tube 65 is started to drive the coating brush 66 to rise to the surface of the fire cylinder 3, and the second electric slide rail 61 is started. The second electric slide rail 61 drives the coating brush 66 to move to the defect detected by the dial indicator 57 through the oil collecting tank 62 and the electric telescopic tube 65 to apply and mark it. The oil collecting tank 62 transports the ink in the ink storage tank 60 to the coating brush 66 through the connecting tube 63 and the electric telescopic tube 65 to avoid the ink drying up of the coating brush 66 during a long working day and making it impossible to mark it. The humidity detector 64 is set to detect whether there is water seepage from the fire cylinder 3.

[0021] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0022] During operation, the staff places the fire cylinder 3 on the surface of the electromagnet 492, starts the electromagnet 492 to preliminarily clamp and fix the fire cylinder 3, starts the electric telescopic rod 47, and the electric telescopic rod 47 drives the clamping plate 481 to move to the inner wall of the fire cylinder 3 through the first electric push rod 48. The first electric push rod 48 drives the clamping plate 481 to move to the inner wall of the fire cylinder 3 to clamp and fix it to prevent the fire cylinder 3 from falling off when it rotates. When the electric telescopic rod 47 is extended, it drives the sealing circular plate 461 to move to the side wall of the fire cylinder 3 to seal it, starts the water pump 45, and the water pump 45 inputs the water source inside the water tank 44 into the fire cylinder 3 through the water pipe 451, and performs a preliminary inspection on the fire cylinder 3. If there is no water leakage on the surface of the fire cylinder 3, the side wall of the fire cylinder 3 is intact. If there is water seepage, the detection mechanism 5 and the marking mechanism 6 are started to further detect it. When water seeps out of the fire cylinder 3, the driving motor 46 is started, and the driving motor 46 drives the fire cylinder 3 to rotate through the electric telescopic rod 47, the first electric push rod 48 and the clamping plate 481, and the fourth electric push rod 56 is started, and the fourth electric push rod 56 drives the electric telescopic rod 47 to move to the surface of the fire cylinder 3 through the detection cross plate 55, and the first electric slide rail 50 is started, and the first electric slide rail 50 drives the dial indicator 57 to move back and forth on the surface of the fire cylinder 3 through the sliding plate 51 and the fourth electric push rod 56 to detect the surface, find the damaged part of the side wall of the fire cylinder 3, and accurately detect the fire cylinder 3, when the first electric slide rail 50 drives the sliding plate 51 to move, start the third electric push rod 52, the third electric push rod 52 drives the cleaning soft brush 53 to move to the side wall of the fire cylinder 3, and the first electric slide rail 50 drives the cleaning soft brush 53 to move back and forth on the side wall of the fire cylinder 3 to brush it, so as to avoid garbage attached to the side wall of the fire cylinder 3 affecting the detection accuracy of the dial indicator 57; When the dial indicator 57 detects a defect in the fire cylinder 3, the electric telescopic tube 65 is started to drive the coating brush 66 to rise to the surface of the fire cylinder 3, and the second electric slide rail 61 is started. The second electric slide rail 61 drives the coating brush 66 to move to the defect detected by the dial indicator 57 through the oil collecting tank 62 and the electric telescopic tube 65 to apply and mark it. The oil collecting tank 62 transports the ink in the ink storage tank 60 to the coating brush 66 through the connecting tube 63 and the electric telescopic tube 65 to avoid the coating brush 66 from drying out the ink during a long working day and being unable to mark it. The humidity detector 64 is set to detect whether there is water seepage from the fire cylinder 3.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A nondestructive testing device for fire cylinders, characterized in that: include: A base (1), and a gantry (2) arranged on the top of the base (1); A clamping mechanism (4), the clamping mechanism (4) being used to clamp a fire-fighting steel cylinder and perform preliminary inspection on the fire-fighting steel cylinder, and a fire-fighting steel cylinder (3) arranged on a side wall of the clamping mechanism (4); A detection mechanism (5), the detection mechanism (5) is used to further detect the clamping mechanism (4); A marking mechanism (6), the marking mechanism (6) is used to mark defects at the detection location of the detection mechanism (5); The top of the base (1) is fixedly connected to the bottom of the gantry (2), the inner wall of the base (1) is fixedly connected to the side wall of the marking mechanism (6), the inner wall of the clamping mechanism (4) is slidably connected to the side wall of the fire cylinder (3), the top of the detection mechanism (5) is fixedly connected to the top of the inner wall of the gantry (2), the bottom of the detection mechanism (5) is slidably connected to the side wall of the fire cylinder (3), and the top of the marking mechanism (6) is slidably connected to the side wall of the fire cylinder (3); Wherein, the clamping mechanism (4) comprises: A fixed block (40), and a hydraulic cylinder (41) arranged at the bottom of the fixed block (40); A hydraulic rod (42), and a water storage tank (44) arranged at the bottom of the hydraulic rod (42); A water pump (45), and a water delivery pipe (451) arranged at a water outlet of the water pump (45); A driving motor (46), and an electric telescopic rod (47) at an output end of the driving motor (46); A first electric push rod (48), and a clamping plate (481) arranged at the bottom of the first electric push rod (48); The top of the fixed block (40) is fixedly connected to the top of the inner wall of the gantry (2); the bottom of the hydraulic cylinder (41) is fixedly connected to the top of the hydraulic rod (42); the top of the hydraulic cylinder (41) is fixedly connected to the bottom of the fixed block (40); the bottom of the hydraulic rod (42) is fixedly connected to the top of the water tank (44); the bottom of the water tank (44) is connected to the top of the water pump (45); the water pump (45) is connected to the water pipe (451) through a water outlet; the side of the water tank (44) away from the base (1) is fixedly connected to the side of the drive motor (46); the drive motor (46) is fixedly connected to the electric telescopic rod (47) through the output end; the side wall of the electric telescopic rod (47) is fixedly connected to the bottom of the first electric push rod (48); the bottom of the clamping plate (481) is fixedly connected to the top of the first electric push rod (48); and the side of the clamping plate (481) away from the first electric push rod (48) is slidably connected to the inner wall of the fire cylinder (3).

2. A nondestructive testing device for fire cylinders according to claim 1, characterized in that: The clamping mechanism (4) further comprises a connecting rod (43), the side of the driving motor (46) away from the water tank (44) is fixedly connected to the side of the connecting rod (43) close to the water tank (44), the side of the connecting rod (43) away from the driving motor (46) is fixedly connected to a sealing circular plate (461), the bottom of the hydraulic rod (42) is fixedly connected to a connecting block (49), the side of the connecting block (49) close to the fire cylinder (3) is rotatably connected to a second electric push rod (491), and the side of the second electric push rod (491) away from the connecting block (49) is fixedly connected to an electromagnet (492).

3. A nondestructive testing device for fire cylinders according to claim 2, characterized in that: The side of the sealing circular plate (461) away from the driving motor (46) is slidably connected to the side wall of the fire cylinder (3); the side wall of the electric telescopic rod (47) penetrates the sealing circular plate (461), and the side wall of the electric telescopic rod (47) is rotatably connected to the inner wall of the sealing circular plate (461); the side of the electromagnet (492) away from the connecting block (49) is slidably connected to the side wall of the fire cylinder (3); the side of the water storage tank (44) away from the fire cylinder (3) is slidably connected to the inner wall of the gantry (2); the side of the connecting block (49) away from the fire cylinder (3) is slidably connected to the inner wall of the gantry (2); the side wall of the water delivery pipe (451) penetrates the sealing circular plate (461), and the side wall of the water delivery pipe (451) is fixedly connected to the inner wall of the sealing circular plate (461).

4. A nondestructive testing device for fire cylinders according to claim 1, characterized in that: The detection mechanism (5) comprises a first electric slide rail (50), the top of the first electric slide rail (50) is fixedly connected to the top of the inner wall of the gantry (2), the first electric slide rail (50) is slidably connected to a sliding plate (51) via an electronic slider, the bottom of the sliding plate (51) is fixedly connected to a third electric push rod (52), the bottom of the third electric push rod (52) is fixedly connected to a cleaning soft brush (53), the bottom of the sliding plate (51) is fixedly connected to a blocking net (54), the bottom of the blocking net (54) is fixedly connected to a detection cross plate (55), the top of the detection cross plate (55) is fixedly connected to a fourth electric push rod (56), the top of the detection cross plate (55) is fixedly connected to a dial indicator (57), and the bottom of the sliding plate (51) is fixedly connected to a data analyzer (58).

5. A nondestructive testing device for fire cylinders according to claim 4, characterized in that: The top of the fourth electric push rod (56) is fixedly connected to the bottom of the sliding plate (51), and the top of the sliding plate (51) is slidably connected to the top of the inner wall of the gantry (2).

6. A fire cylinder nondestructive testing device according to claim 1, characterized in that: The marking mechanism (6) comprises an ink storage box (60), the side wall of the ink storage box (60) is fixedly connected to the inner wall of the base (1), the top of the ink storage box (60) is fixedly connected to a second electric slide rail (61), the second electric slide rail (61) is slidably connected to an oil collection box (62) via an electronic slider, the side wall of the oil collection box (62) is connected to a connecting pipe (63), the top of the oil collection box (62) is fixedly connected to a humidity detector (64), the top of the oil collection box (62) is connected to an electric telescopic pipe (65), and the top of the electric telescopic pipe (65) is fixedly connected to a coating brush (66).

7. A fire cylinder nondestructive testing device according to claim 6, characterized in that: The bottom of the connecting pipe (63) is connected to the top of the ink storage box (60), and the bottom of the oil collecting box (62) is slidably connected to the top of the ink storage box (60).

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