Metal pipeline nondestructive inspection practical training device

Abstract

The utility model discloses a metal pipeline nondestructive inspection practical training device, and relates to the technical field of practical training teaching aid devices, the metal pipeline nondestructive inspection practical training device comprises a work bench and a storage rack, the work bench is provided with an adjustable display assembly used for displaying metal pipeline nondestructive inspection, and the work bench is also provided with a pipeline clamping assembly used for clamping a metal pipeline. A plurality of prefabricated metal pipelines with various damages are arranged on the storage rack; a driving rocking handle is rotated, a driving roller shaft is driven to be matched with a driven roller shaft capable of being transversely adjusted, metal pipelines prefabricated with various damages are driven to be rotationally displayed, a telescopic rod is rotationally adjusted, a roller is driven by an adjusting motor to rotate so as to adjust the length of a steel cable, and the length of the steel cable can be adjusted through fixing rods at the two ends of an adjustable telescopic frame. The metal pipelines with different lengths or pipe diameters are clamped from the storage rack; the device has the advantages of being convenient to use, wide in application range and high in flexibility.

Description

TECHNICAL FIELD

[0001] The utility model relates to a practical training teaching aid device technical field, concretely relates to a metal pipeline nondestructive testing practical training device. BACKGROUND

[0002] Pipeline detection mainly utilizes ultrasonic wave, ray, magnetic powder and other detection means to carry out nondestructive testing of pipeline, through these detection means, can find and determine the defects of pipeline surface and near surface, such as crack, slag inclusion, unfused, etc., the existence of these defects can have serious influence on the strength and corrosion resistance of pipeline, therefore need to carry out timely detection and repair, pipeline detection is widely used in petroleum, chemical industry, natural gas, water affairs and other fields, in these fields, the transportation and storage of pipeline are easily affected by various factors, leading to defects of pipeline, therefore, it is very necessary to carry out pipeline detection regularly, at the same time, for newly laid pipeline, also need to carry out detection, to ensure its quality and safety performance.

[0003] At present, in the practical training teaching of pipeline nondestructive testing, generally through courseware display picture or observe the pipeline with various damages in advance in practical training, however, through picture teaching is not intuitive enough, and when observing pipeline in practical training, due to some pipeline is long, or some pipeline is heavy due to material reason, is inconvenient to move, therefore, it is inconvenient to observe comprehensively in practical training, and when manually moving pipeline, may cause pipeline to fall, cause damage to practical training materials or surrounding personnel. SUMMARY

[0004] In view of the above problems, the utility model aims at providing a metal pipeline nondestructive testing practical training device, through the design adjustable display assembly, through the cooperation of rotatable driving roller shaft and transversely adjustable driven roller shaft, drive metal pipeline to rotate, so as to observe pipeline damage, through the design pipeline clamping assembly, through the rotation of adjustable length telescopic rod driven by rotary motor located at the top of the support, to adjust the clamping position, in combination with adjustable length telescopic frame, clamp the metal pipeline on the storage rack, and place on the adjustable display assembly, have the advantages of convenient use, wide application range and strong flexibility.

[0005] The utility model discloses a main idea of technical scheme is as follows: adjustable display assembly is designed, through the metal pipeline is placed in the above between the initiative gyro wheel axle and the driven gyro wheel axle of horizontal adjustment, and uses drive handle to drive initiative gyro wheel axle rotation, and then drives the metal pipeline and driven gyro wheel axle rotation, to the prefabricated metal pipeline of various damage with rotation, to observe, the pipeline clamping subassembly is designed, through the rotation motor of top drives telescopic link rotation, and through the length of telescopic link is adjusted, to adjust the clamping position, and through the adjustment motor drive roller rotation, to adjust the length of steel cable, thereby adjusting the height of telescopic frame, and through the fixed link of telescopic frame both ends clamps the metal pipeline.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the technical scheme as follows:

[0007] A kind of metal pipeline nondestructive testing and training device, including workbench and storage rack, the workbench is equipped with adjustable display assembly for showing the nondestructive testing of metal pipeline, the workbench is also equipped with pipeline clamping subassembly for clamping metal pipeline, the storage rack is equipped with multiple prefabricated metal pipes of various damage.

[0008] The adjustable display assembly includes initiative gyro wheel axle arranged horizontally on the workbench, one side of the initiative gyro wheel axle is equipped with driven gyro wheel axle capable of being adjusted horizontally by adjusting mechanism, one end of the initiative gyro wheel axle is fixed with gyro wheel axle gear, the workbench is equipped with drive handle, and the gyro wheel axle gear is rotatably connected with handle gear at one end of drive handle by transmission belt;Drive handle is rotated to drive handle gear rotation by rotating, and drive gear is rotated by transmission belt, and then initiative gyro wheel axle is rotated, when metal pipeline is placed in the above between initiative gyro wheel axle and driven gyro wheel axle, initiative gyro wheel axle can drive metal pipeline and driven gyro wheel axle rotation, to prefabricated damage on metal pipeline is trained and shown.

[0009] Further based on the technical scheme, the adjusting mechanism comprises two slides fixed on the workbench, each of the slides is slidably provided with a sliding block, a driven roller shaft is slidably arranged above the sliding block, a first adjusting shaft and a second adjusting shaft are arranged near both ends of the slide, a first adjusting gear and a second adjusting gear are respectively fixed at both ends of the first adjusting shaft and the second adjusting shaft, the first adjusting gear and the second adjusting gear at both ends are rotationally connected through a transmission belt, the transmission belt penetrates through both ends above and below the sliding block, and a sliding block gear capable of being meshed with the transmission belt is arranged inside the sliding block, and one end of the first adjusting shaft is further fixed with an adjusting handle; the adjusting handle is rotated to drive the first adjusting shaft to rotate, the first adjusting gear drives the second adjusting gear to rotate through the transmission belt, and then the second adjusting shaft is driven to rotate, the transmission belt can drive the sliding blocks on both sides to slide along the slide through the meshing action of the sliding block gear when rotating, and then the driven roller shaft is adjusted horizontally to place metal pipes with different diameters.

[0010] Further based on the technical scheme, the sliding block is provided with a driven sliding frame, the driven sliding frame is slidably provided with a second fixed block fixed through a fixing bolt, and the driven roller shaft is rotationally arranged in the second fixed block.

[0011] Further based on the technical scheme, the workbench is provided with a driving sliding frame, the driving sliding frame is slidably provided with a first fixed block fixed through a fixing bolt, and the driving roller shaft is rotationally arranged in the first fixed block.

[0012] The pipe clamping assembly comprises a support column fixed vertically on one side of the workbench, a rotating motor is arranged at the top of the support column, a horizontal telescopic rod is fixed to the power output end of the rotating motor, an adjusting motor is fixed to one end of the telescopic rod away from the rotating motor, a roller winding a steel cable is fixed to the power output end of the adjusting motor, one end of the steel cable vertically downward is fixed with a telescopic frame, and two fixed rods capable of extending into both ends of the metal pipe are fixed to both ends below the telescopic frame; the rotating motor is used for rotating and adjusting the telescopic rod, the telescopic rod is used for horizontally adjusting the position of the telescopic frame, the adjusting motor is used for driving the roller to rotate, the length of the steel cable downward is adjusted, the length of the telescopic frame is adjusted, the fixed rods are extended into both ends of the metal pipe, and the metal pipe is clamped.

[0013] Further based on the technical scheme, the support column is provided with a control panel for controlling the rotating motor, the telescopic rod, the adjusting motor and the telescopic frame.

[0014] Further based on the technical scheme, the workbench and the bottom of the storage rack are both provided with a plurality of lockable universal wheels.

[0015] The utility model discloses an advantageous effect is:

[0016] 1, through the adjustable display assembly of design, through the rotation drive handle, and then drive the rotation of driving roller shaft, when the driving roller shaft and the driven roller shaft intermediate place upper place has the metal pipeline, can drive the rotation of metal pipeline, to show the damage on metal pipeline, compared with the current practical training mode, the utility model has the advantages of convenient to use, and then improves the practical training effect.

[0017] 2, through the adjustable display assembly of design, through the rotation adjusting handle in adjusting mechanism, through the rotation of first adjusting pivot, combine transmission belt drive second adjusting pivot rotation, and then drive the synchronous sliding of both sides sliding block along the slide, adjust the interval between driven roller shaft and driving roller shaft, so that according to the metal pipeline of different pipe diameter is adjusted, make the application scope of the utility model get promotion.

[0018] 3, through the design pipeline clamping subassembly, through the rotation motor drive telescopic link rotation adjustment, and through the lengthening or shortening of telescopic link to the horizontal adjustment of telescopic frame position, combine the rotation of adjusting motor drive winding cable roller, to adjust the height of telescopic frame, and through the length adjustment of telescopic frame, make both ends fixed rod extend into metal pipeline, to clamp metal pipeline, combine the control of each structure of control panel, can clamp metal pipeline when the storage rack is located in the different position of workbench, make the utility model have the advantage that the flexibility is strong. DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the whole of the utility model;

[0020] Figure 2 It is the three-dimensional structure schematic diagram of adjustable display assembly;

[0021] Figure 3 It is the side view of adjustable display assembly;

[0022] Figure 4 It is the top view of adjustable display assembly;

[0023] Figure 5 It is the internal structure diagram of sliding block;

[0024] Figure 6 It is the three-dimensional structure schematic diagram of pipeline clamping subassembly;

[0025] Figure 7 It is the three-dimensional structure schematic diagram of adjusting motor;

[0026] Figure 8 It is the three-dimensional structure schematic diagram of driving roller shaft;

[0027] Figure 9 isometric view of the first adjusting shaft;

[0028] Figure 10 isometric view of the storage rack;

[0029] Figure 11 isometric view of the utility model.

[0030] 1, workbench; 2, storage rack; 201, main frame; 202, reinforcing cross beam; 203, reinforcing inclined beam; 204, clamping rod; 3, adjustable display assembly; 301, driving roller shaft; 302, driven roller shaft; 303, adjusting mechanism; 3031, slide; 3032, sliding block; 3033, first adjusting shaft; 3034, second adjusting shaft; 3035, first adjusting gear; 3036, adjusting handle; 3037, driven sliding frame; 3038, second fixed block; 3039, second adjusting gear; 304, roller shaft gear; 305, driving handle; 306, driving sliding frame; 307, first fixed block; 308, soft roller; 309, handle gear; 310, sliding block gear; 4, pipe clamping assembly; 401, support column; 402, rotating motor; 403, telescopic rod; 404, adjusting motor; 405, roller; 406, steel cable; 407, telescopic frame; 408, fixed rod; 409, control panel; 410, adjusting motor fixing plate; 411, sleeve ring; 5, metal pipe; 6, transmission belt; 7, fixing bolt; 8, bearing; 9, universal wheel. DETAILED DESCRIPTION

[0031] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described below in connection with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0032] The inventor has found that, in the current practical teaching of pipeline nondestructive testing, generally, pictures are shown by courseware or pipes with various damages are observed in practical training. However, the picture teaching is not intuitive enough, and when observing the pipes in practical training, some pipes are too long, or some pipes are too heavy due to material reasons, and are inconvenient to move, so it is inconvenient to observe comprehensively in practical training, and when manually moving the pipes, the pipes may fall, causing damage to the practical training materials or surrounding personnel.

[0033] Based on the above finding, the application provides a metal pipeline nondestructive testing practical training device, which comprises an adjustable display assembly, a metal pipeline is placed above the driving roller shaft and the driven roller shaft which can be adjusted horizontally, and the driving roller shaft is driven to rotate by using the driving handle, so as to drive the metal pipeline and the driven roller shaft to rotate, so as to rotate the metal pipeline with various damages for observation; a pipeline clamping assembly is designed, the telescopic rod is driven to rotate by the rotating motor at the top, the length of the telescopic rod is adjusted to adjust the clamping position, the length of the steel cable is adjusted by the adjusting motor to drive the roller to rotate, so as to adjust the height of the telescopic frame, and the metal pipeline is clamped by the fixed rods at both ends of the telescopic frame; the device has the advantages of convenient use, wide application range and high flexibility.

[0034] Referring to Figure 1 and Figure 11 , the application discloses a metal pipeline nondestructive testing practical training device, which comprises a workbench 1 and a storage rack 2, the workbench 1 can refer to a common table body structure, and the overall material is a metal material with high strength, the storage rack 2 is arranged beside the workbench 1, and the bottom of the workbench 1 and the storage rack 2 is provided with a plurality of lockable universal wheels 9; referring to Figure 10 , the storage rack 2 comprises a main frame 201 composed of mutually perpendicular cross beams and vertical beams, a pair of reinforcing inclined beams 203 is fixed on the main frame 201, a plurality of reinforcing cross beams 202 are arranged at the middle part of the main frame 201 and the middle part of the reinforcing inclined beams 203, a plurality of clamping rods 204 at a certain angle are fixed on the two reinforcing inclined beams 203, which can be used for clamping metal pipelines 5 with different diameters, and the storage rack 2 can be connected and fixed by using welding process during manufacturing.

[0035] The workbench 1 is provided with an adjustable display assembly 3 for displaying the metal pipeline nondestructive testing, referring to Figures 2-4 , the adjustable display assembly 3 comprises a driving roller shaft 301 arranged horizontally on the workbench 1, in some embodiments, two driving sliding frames 306 are vertically fixed on the workbench 1 near the two ends, a first fixed block 307 is slidingly arranged in the sliding groove on the driving sliding frame 306, a circular through hole capable of rotatingly mounting the driving roller shaft 301 through the bearing 8 is formed in the middle part of the first fixed block 307, threaded holes are formed at both ends of the first fixed block 307, the fixed bolts 7 can be screwed into the threaded holes to fix the first fixed block 307 relative to the driving sliding frame 306, the height of the first fixed block 307 is adjusted to adjust the height of the driving roller shaft 301;

[0036] The driven roller shaft 302 is arranged on one side of the driving roller shaft 301 and can be adjusted laterally by the adjusting mechanism 303, one end of the driving roller shaft 301 is fixed with a roller shaft gear 304, and a driving handle 305 is arranged on the workbench 1 and close to one end of the roller shaft gear 304 by arranging a fixing structure similar to the first fixing block 307, the roller shaft gear 304 is rotationally connected with a handle gear 309 at one end of the driving handle 305 through a transmission belt 6, and the handle gear 309 can drive the roller shaft gear 304 to rotate through the transmission belt 6, and the driving roller shaft 301 can be driven to rotate by the roller shaft gear 304, when the metal pipeline 5 is arranged between the driving roller shaft 301 and the driven roller shaft 302, the driving roller shaft 301 can drive the metal pipeline 5 to rotate through the soft roller 308, and the driven roller shaft 302 is synchronously driven to rotate, so as to display the various damages of the metal pipeline 5. Figure 8 The driving roller shaft 301 and the driven roller shaft 302 are substantially similar in structure, and the two ends of the driving roller shaft 301 and the driven roller shaft 302 are fixed with soft rollers 308, the driving handle 305 can be held to drive the handle gear 309 to rotate, in the embodiment of the utility model, all the transmission belts 6 are high-strength belt structures with a rack fixed on the inner end face, then the handle gear 309 can drive the roller shaft gear 304 to rotate through the transmission belt 6, and the driving roller shaft 301 is driven to rotate, when the metal pipeline 5 is arranged between the driving roller shaft 301 and the driven roller shaft 302, the driving roller shaft 301 can drive the metal pipeline 5 to rotate through the soft roller 308, and the driven roller shaft 302 is synchronously driven to rotate, so as to display the various damages of the metal pipeline 5.

[0037] The adjusting mechanism 303 comprises two slides 3031 fixed on the workbench 1, each slide 3031 is slidably provided with a sliding block 3032, the cross section of the slide 3031 is T-shaped, and limiting block structures for preventing the sliding block 3032 from falling off are arranged at both ends of the slide 3031, the bottom of the sliding block 3032 is provided with a sliding groove matched with the cross section of the slide 3031, and when the sliding block 3032 is arranged on the slide 3031, the bottom of the sliding block 3032 can not be in contact with the upper surface of the workbench 1, so as to prevent the sliding block 3032 from being affected by the friction force between the sliding block 3032 and the workbench 1 and affecting the sliding effect of the sliding block 3032.

[0038] The driven roller shaft 302 is arranged on the sliding block 3032, in some embodiments, the driven roller shaft 302 is arranged in a manner similar to the driving roller shaft 301, a driving sliding frame 306 is vertically fixed on the sliding block 3032, a second fixing block 3038 capable of being fixed by a fixing bolt 7 is slidably arranged on the driving sliding frame 306, and the driven roller shaft 302 is arranged in the circular through hole in the middle of the second fixing block 3038 by arranging a bearing 8.

[0039] The first adjusting rotating shaft 3033 and the second adjusting rotating shaft 3034 are rotationally fixed near both ends of the slide 3031, referring to Figure 9The first adjusting rotating shaft 3033 is fixed with a first adjusting gear 3035 and a second adjusting gear 3039 at two ends respectively, and the first adjusting gear 3035 and the second adjusting gear 3039 at the two ends are rotationally connected through a transmission belt 6, referring to Figure 5 The transmission belt 6 penetrates through the upper and lower ends of the sliding block 3032, thereby forming two horizontal upper and lower structures, and a sliding block gear 310 capable of being horizontally meshed and connected with the transmission belt 6 is arranged in the sliding block 302, in an embodiment of the utility model, the sliding block gear 310 is horizontally meshed and connected with the upper part of the transmission belt 6.

[0040] The first adjusting rotating shaft 3033 is further fixed with an adjusting crank 3036, when the adjusting crank 3036 is rotated, the second adjusting gear 3039 can be driven to rotate through the meshing state of the first adjusting gear 3035 and the transmission belt 6, thereby making the second adjusting rotating shaft 3034 rotate, when the transmission belt 6 is transversely slid under the rotation of the two adjusting gears, the sliding block gear 310 in the sliding block 302 can be driven to rotate, thereby driving the sliding block 3032 to be transversely adjusted along the slide 3031, thereby transversely adjusting the driven roller shaft 302, the distance between the driven roller shaft 302 and the driving roller shaft 301 can be adjusted, so that the metal pipeline 5 with different diameters can be conveniently placed, thereby improving the application range of the utility model.

[0041] The workbench 1 is further provided with a pipeline clamping assembly 4 for clamping the metal pipeline 5, referring to Figure 6 And Figure 7 The pipeline clamping assembly 4 comprises a support column 401 vertically fixed on one side of the workbench 1, the support column 401 is made of a metal material with high strength, a rotating motor 402 is fixed on the top of the support column 401 through bolt connection or the like, the power output end of the rotating motor 402 is vertically arranged, a telescopic rod 403 horizontally arranged is fixed on the side of the power output end, the end of the telescopic rod 403 away from the rotating motor 402, i.e. the end capable of being telescopically adjusted, is fixed with an adjusting motor 404, in some embodiments, a sleeve ring 411 matched with the cross-sectional shape of the telescopic rod 403 is arranged on the telescopic rod 403, an adjusting motor fixing plate 410 is fixed on the bottom of the sleeve ring 411 through fixing bolts, and the adjusting motor 404 is arranged on the adjusting motor fixing plate 410.

[0042] The rotating motor 402 is controlled to rotate the telescopic rod 403, and the length of the telescopic rod 403 is controlled to adjust the position of the adjusting motor 404.

[0043] The power output end of the adjusting motor 404 is fixed with a roller 405 winding a steel cable 406, one end of the steel cable 406 vertically downward plumb is fixed with a telescopic support 407 in a clamped manner, both ends below the telescopic support 407 are fixed with fixed rods 408 capable of extending into both ends of the metal pipeline 5, and the surface of the fixed rods 408 can be selectively pasted with a layer of rubber or cloth and the like to increase the friction between the fixed rods 408 and the metal pipeline 5.

[0044] By controlling the adjusting motor 404 to drive the roller 405 to rotate, the length of the steel cable 406 downward plumb is adjusted to adjust the height of the telescopic support 407, and at the same time, by adjusting the length of the telescopic support 407, the fixed rods 408 at both ends can be extended into metal pipelines 5 of different lengths on both sides to clamp the metal pipeline 5, and then the telescopic rod 403 and the rotating motor 402 are adjusted again to place the metal pipeline 5 above the driving roller shaft 301 and the driven roller shaft 302, so that the use mode of the device as a whole is more convenient, and compared with manually moving the metal pipeline 5, the device can stably clamp the metal pipeline 5 to prevent it from falling and forming new damage, or causing damage to surrounding equipment or personnel.

[0045] In some embodiments, a control panel 409 is also provided on the support column 401, which can refer to an existing control device and can control the rotating motor 402, the telescopic rod 403, the adjusting motor 404 and the telescopic support 407 respectively, so as to further simplify the use mode of the device.

[0046] In some embodiments, the device as a whole can also be combined with an existing AI practical training product, for example, the damage on the surface of the metal pipeline 5 is generated into a model or picture data through data acquisition and the like, so as to be compared and displayed with the metal pipeline 5 to improve the practical training effect.

[0047] According to the pipe diameter of the metal pipeline 5 required for practical observation, the distance between the driving roller shaft 301 and the driven roller shaft 302 is adjusted in advance by the adjusting mechanism 303;

[0048] The rotating motor 402 is controlled by using the control panel 409 to rotate, and the telescopic rod 403 is controlled to extend and retract to adjust the telescopic support 403 to be above the metal pipeline 5 required to be used, and the telescopic support 407 is adjusted to be slightly longer than the length of the metal pipeline 5, then the adjusting motor 404 is controlled to rotate, the steel cable 406 is lowered through the roller 405 until the fixed rods 408 at both ends of the telescopic support 403 can be clamped into the metal pipeline 5, and the telescopic support 403 is shortened to clamp the metal pipeline 5;

[0049] The control panel 409 is used to control the pipe clamping assembly 4 to place the metal pipe 5 between the driving roller shaft 301 and the driven roller shaft 302, and drive the driving roller shaft 301 to rotate by rotating the driving handle 305, so as to drive the metal pipe 5 and the driven roller shaft 302 to rotate, so as to display various damages prefabricated on the metal pipe 5.

[0050] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A metal pipeline nondestructive testing practical training device, comprising a workbench (1) and a storage rack (2), characterized in that, The workbench (1) is provided with an adjustable display assembly (3) for displaying non-destructive testing of metal pipes, the shelf (2) is provided with a plurality of prefabricated metal pipes (5) with various damages, and the workbench (1) is further provided with a pipe clamping assembly (4) for clamping the metal pipe (5).

2. The metal pipeline nondestructive testing practical training device according to claim 1, characterized in that, The adjustable display assembly (3) comprises a driving roller shaft (301), one side of the driving roller shaft (301) is provided with a driven roller shaft (302) capable of being adjusted transversely through an adjusting mechanism (303), one end of the driving roller shaft (301) is fixed with a roller shaft gear (304), the workbench (1) is provided with a driving handle (305), and the roller shaft gear (304) is rotationally connected with a handle gear (309) at one end of the driving handle (305) through a transmission belt (6).

3. The metal pipeline nondestructive testing practical training device according to claim 2, characterized in that, The adjusting mechanism (303) comprises two slides (3031) fixed on the workbench (1), each slide (3031) is slidably provided with a sliding block (3032), the sliding block (3032) is slidably provided with a driven roller shaft (302) above, first and second adjusting shafts (3033) and (3034) are arranged near both ends of the slide (3031), first and second adjusting gears (3035) and (3039) are fixed at both ends of the first and second adjusting shafts (3033) and (3034) respectively, the first and second adjusting gears (3035) and (3039) are rotationally connected through a transmission belt (6), the transmission belt (6) at this position penetrates the sliding block (3032), and a sliding block gear (310) capable of meshing with the transmission belt (6) is arranged in the sliding block (3032), and one end of the first adjusting shaft (3033) is further fixed with an adjusting handle (3036).

4. The metal pipeline nondestructive testing practical training device according to claim 3, characterized in that, The sliding block (3032) is provided with a driven sliding frame (3037), the driven sliding frame (3037) is slidably provided with a second fixed block (3038), and the second fixed block (3038) is rotationally provided with a driven roller shaft (302).

5. The metal pipeline nondestructive testing practical training device according to claim 2, characterized in that, The workbench (1) is provided with a driving sliding frame (306), the driving sliding frame (306) is slidably provided with a first fixed block (307), and the first fixed block (307) is rotationally provided with a driving roller shaft (301).

6. The metal pipeline nondestructive testing practical training device according to claim 1, characterized in that, The pipe clamping assembly (4) comprises a support column (401) vertically fixed on one side of the workbench (1), the support column (401) is provided with a rotating motor (402) at the top, the power output end of the rotating motor (402) is fixed with a telescopic rod (403), the end of the telescopic rod (403) away from the rotating motor (402) is fixed with an adjusting motor (404), the power output end of the adjusting motor (404) is fixed with a roller (405) winding a steel cable (406), one end of the steel cable (406) vertically downward is fixed with a telescopic frame (407), and both ends of the telescopic frame (407) below are fixed with fixed rods (408).

7. The metal pipeline nondestructive testing practical training device according to claim 6, characterized in that, The control panel (409) is arranged on the support (401) and used for controlling the rotating motor (402), the telescopic rod (403), the adjusting motor (404) and the telescopic frame (407).

8. The metal pipeline nondestructive testing practical training device according to claim 1, characterized in that, The workbench (1) and the bottom of the storage rack (2) are provided with a plurality of lockable universal wheels (9).

Images