A nondestructive testing device for water conservancy pressure steel pipe quality

Abstract

The application provides a water conservancy pressure steel pipe quality nondestructive testing device, and relates to the field of pipeline quality detection. The water conservancy pressure steel pipe quality nondestructive testing device comprises a bottom plate, a flaw detection structure is arranged at the upper end face center front side edge of the bottom plate, and detection structures are arranged on the upper end faces of the bottom plates on both sides of the flaw detection structure. The first telescopic device is inserted into the pipeline by adjusting, the ultrasonic detection head is preset to be attached to the inner wall of the pipeline, the coupling agent in the liquid storage spray cylinder is applied to the position to be detected by the cooperation between the electric piston rod and the liquid storage spray cylinder, the ultrasonic detection head is attached to the inner wall of the pipeline to perform ultrasonic flaw detection, the position of the sliding block in the second sliding groove is adjusted according to the diameter of the pipeline, the sliding block is used as the rotation center, any position of the inner wall of the pipeline can be detected at one time, and the overall efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline quality detection, in particular to a water conservancy pressure steel pipe quality nondestructive testing device. BACKGROUND

[0002] The pressure steel pipe in water conservancy projects is a key component of the water conveying system, and its quality directly affects the safety and stability of the entire water conservancy project. Since the water conservancy pressure steel pipe usually bears high water pressure and complex environmental conditions, its quality detection is particularly important. Nondestructive testing technology, as a detection method that does not damage the structure of the detected object, has been widely used in the quality detection of water conservancy pressure steel pipes.

[0003] However, the existing detection methods still have some deficiencies and room for improvement in actual detection processes. Most of the existing detection methods are manually detected slowly. For some small-diameter pipes, the existing detection methods are obviously inconvenient. On the one hand, they cannot be flexibly adjusted, and secondly, the efficiency of manual detection is relatively low. Moreover, the existing detection devices need to be manually held and used, which is not very convenient to operate. Therefore, the technical personnel in this field provide a water conservancy pressure steel pipe quality nondestructive testing device to solve the problems raised in the background art. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the deficiencies of the prior art, the present application provides a water conservancy pressure steel pipe quality nondestructive testing device, which solves the problems of low efficiency, inability to flexibly adjust detection, and inconvenience of operation of the existing detection methods.

[0006] (II) Technical solutions

[0007] To achieve the above purposes, the present application is implemented by the following technical solutions: a water conservancy pressure steel pipe quality nondestructive testing device, comprising a bottom plate, a flaw detection structure is arranged at the upper end face center of the front side edge of the bottom plate, detection structures are arranged on the upper end faces of the bottom plates on both sides of the flaw detection structure,

[0008] The flaw detection structure comprises a receiving groove arranged at the upper end face center of the front side edge of the bottom plate, a stepping motor arranged at the inside of the receiving groove and the front end edge side, an output end of the stepping motor fixedly connected with a base rod, the other side wall of the base rod rotatably connected with the other inside side wall of the receiving groove, a connecting screw rod arranged at the upper end face center of the rear side edge of the base rod, the lower end of the connecting screw rod penetrating through the upper end face of the base rod and reaching the lower end, and the end portion threadedly connected with an adjusting nut, an activity rod arranged at the upper end of the base rod, a second sliding groove arranged at the center of the lower end face of the activity rod, a sliding block movably connected with the inside of the second sliding groove, the other end of the sliding block movably connected with the lower end face of the sliding block, a first sliding groove arranged at the center of the side edge of the upper end face of the activity rod, a first telescopic device arranged in the inside of the first sliding groove, and an ultrasonic detection head connected with the output end of the first telescopic device through a connecting base.

[0009] Preferably, a bolt is fixedly connected with the lower end face of the rear side of the first telescopic device, the lower end of the bolt penetrates through the lower inner wall of the first sliding groove and reaches the lower end, and the end portion is threadedly connected with an adjusting screw, the upper end face of the first telescopic device is rotatably connected with the upper inner wall of the first sliding groove, and a smearing structure is connected with the side wall of the connecting base.

[0010] Preferably, the smearing structure comprises a liquid storage spraying cylinder, a connecting block fixedly connected with the center of the side wall of the liquid storage spraying cylinder, an electric piston rod arranged at the rear end of the liquid storage spraying cylinder, and the liquid storage spraying cylinder and the electric piston rod are detachably connected, a pulling rod is arranged on the upper end face of the connecting base near the side of the connecting block, an activity hole is arranged on the upper end face of the connecting base at the lower end of the pulling rod, a partition plate is fixedly connected with the inside wall of the activity hole, a limiting plate is fixedly connected with the upper end face of the connecting base at the lower end of the pulling rod, the lower end of the pulling rod penetrates through the upper end of the limiting plate and the partition plate inside the activity hole and reaches the lower end, and the end portion is fixedly connected with a limiting block, a limiting groove is arranged at the center of the upper end face of the connecting block at the lower end of the limiting block, a first spring is sleeved with the side wall of the pulling rod between the partition plate and the limiting plate, the upper and lower ends of the first spring are fixedly connected with the lower end face of the limiting plate and the upper end face of the partition plate respectively, and one end of the connecting block penetrates through the side wall of the connecting base and reaches the inside.

[0011] Preferably, the detection structure comprises two third sliding grooves, the lower ends of the two third sliding grooves are respectively arranged at the center of the lower end face of the bottom plate close to the two side edges, the interiors of the two third sliding grooves are respectively provided with second telescopic devices, the lower ends of the two second telescopic devices are respectively fixedly connected to the center of the lower inner wall of the two third sliding grooves close to the front side, a sliding connection plate is arranged at the upper end of the two third sliding grooves, the lower end face of the sliding connection plate is respectively fixedly connected with a sliding block at the center close to the two side edges, the side walls of the two sliding blocks are respectively slidably connected in the interiors of the two third sliding grooves, the outputs of the two second telescopic devices are respectively fixedly connected to the front side walls of the two sliding blocks, a rotating motor is fixedly connected to the center of the lower end face of the sliding connection plate, the output end of the rotating motor penetrates through the lower end face of the sliding connection plate and extends to the upper end, and the end is fixedly connected with a rotating connection plate, a third telescopic device is fixedly connected to the center of the upper end face of the rotating connection plate close to the rear side, auxiliary rods are respectively fixedly connected to the upper end face of the rotating connection plate close to the four opposite corners on the two sides of the third telescopic device, the upper ends of the four auxiliary rods are commonly fixedly connected with a top frame, a horizontal plate is commonly sleeved on the side walls of the four auxiliary rods between the top frame and the rotating connection plate, the output end of the third telescopic device is fixedly connected to the lower end face of the horizontal plate, and a measurement structure is fixedly connected to the center of the upper end face of the horizontal plate.

[0012] Preferably, the measurement structure comprises an electric motor, the upper end of the electric motor is provided with a holder, the lower end of the holder is fixedly connected to the upper end face of the horizontal plate, the output end of the electric motor is connected with a receiving tube, the centers of the side walls of the receiving tube are respectively movably connected with adjusting rods, the positions where the two adjusting rods are connected with the two end faces of the receiving tube are respectively threadedly connected with limiting connecting sleeves, so as to adjust the extension length of the two adjusting rods in the receiving tube, the other ends of the two adjusting rods are respectively connected with inner plates, the centers of the other side walls of the two inner plates close to the rear side edges are respectively fixedly connected with sliding rods, the other sides of the two inner plates are respectively provided with outer plates, the other ends of the two sliding rods respectively penetrate through the side walls of the two outer plates and respectively extend to the other sides, and the ends are respectively fixedly connected with tail plates, second springs are respectively sleeved on the side walls of the two sliding rods between the two tail plates and the two outer plates, the two ends of the two second springs are respectively fixedly connected to the side wall of the two tail plates and the side wall of the two outer plates, recesses are respectively arranged on the opposite faces of the two inner plates and the two outer plates, the interiors of the four recesses are respectively provided with metal rods, the two ends of the four metal rods are respectively fixedly connected to the centers of the two inner side walls of the four recesses, and a plurality of rollers are respectively sleeved on the side walls of the four metal rods in the interiors of the four recesses.

[0013] Preferably, the side walls of the two outer plates close to the side edges are respectively fixedly connected with tapes.

[0014] Preferably, the upper end face center of the two adjusting rods is respectively provided with a scale line.

[0015] Preferably, the lower end face center of the bottom plate is respectively fixedly connected with a self-locking universal wheel at four diagonal positions, a handle is fixedly connected to the rear side wall of the bottom plate, and a control panel is fixedly connected to the upper end face between the two handles.

[0016] (Three) beneficial effects

[0017] The application provides a water conservancy pressure steel pipe quality nondestructive testing device.

[0018] 1、In the application, the base rod is driven to rotate by the stepping motor, and after rotating by 90 degrees, the base rod is in a vertical state with the storage groove, then the movable rod is slid upward under the sliding relationship between the sliding block and the second sliding groove, then it is rotated by 90 degrees, and the position after adjustment is fixed through the threaded connection relationship between the connecting screw and the adjusting nut, the first telescopic device is turned out from the inside of the first sliding groove, the adjusted first telescopic device is fixed by the adjusting screw, it is set as a multidirectional adjustment structure, and can be minimized folded and stored in cooperation with the storage groove, thereby reducing the occupied space and being convenient to use and adjust.

[0019] 2、In the application, the first telescopic device is inserted into the inside of the pipeline after adjustment, the ultrasonic detection head is first preset to adhere to the inner wall of the pipeline, then the coupling agent in the liquid storage spray cylinder is applied to the position to be detected by the mutual cooperation between the electric piston rod and the liquid storage spray cylinder, then the ultrasonic detection head is adhered to the inner wall of the pipeline for ultrasonic detection, the position of the sliding block in the second sliding groove is adjusted according to the diameter of the pipeline, and then the sliding block is taken as the rotation center to realize one-time detection of any position of the inner wall of the pipeline without the need for re-adjustment, thereby improving the overall efficiency.

[0020] 3、In the application, the detection structure is provided, two sliding blocks are driven to slide in the two third sliding grooves by the extension of the two second telescopic devices, then the rotating motor drives the rotating connecting plate to rotate by 360 degrees to realize flexible adjustment of the direction, and then the extension cooperation between the third telescopic device and the horizontal plate can meet the detection of pipelines with different diameters, and the overall adjustment is more flexible and convenient for on-site construction.

[0021] 4、The present application, by setting the detection structure, in use, by the horizontal plate in the third telescopic device under the adjustment of a certain height, then by adjusting the length of two adjusting rods in two storage tubes, to measure the inner diameter of the pipeline, in the process of measuring by two outer plate to one side, in the process of pushing the second spring is compressed, by the outer plate and the inner plate can be fitted at the same time on the inner wall and outer wall of the pipeline, then through the motor drive storage tube rotation, under the action of the metal rod and a plurality of rollers can reduce the resistance of the outer plate and the inner plate in the process of rotation, can rotate the inner diameter and outer diameter of the pipeline, also can realize the detection of the cross section shape of the pipeline is circular or not. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the overall structure of the present application of the axonometric drawing;

[0023] Figure 2 is another perspective view of the present application of the axonometric drawing;

[0024] Figure 3 is the lower perspective view of the present application of the axonometric drawing;

[0025] Figure 4 is the detection structure of the present application of the axonometric drawing;

[0026] Figure 5 is the detection structure of the present application of the axonometric drawing;

[0027] Figure 6 is Figure 4 the enlarged view of B in the figure;

[0028] Figure 7 is another perspective view of the detection structure of the present application of the axonometric drawing;

[0029] Figure 8 is the detection structure of the present application of the axonometric drawing;

[0030] Figure 9 is Figure 2 the enlarged view of A in the figure.

[0031] The components include: 1. Base plate; 2. Flaw detection structure; 201. Storage slot; 202. Base rod; 203. Movable rod; 204. First slide groove; 205. First telescopic device; 206. Connecting base; 207. Ultrasonic detection head; 208. Liquid storage spray nozzle; 209. Electric piston rod; 210. Adjusting screw; 211. Second slide groove; 212. Connecting screw; 213. Adjusting nut; 214. Sliding block; 215. Divider plate; 216. Pulling rod; 217. Limiting plate; 218. First spring; 219. Limiting block; 220. Connecting block; 221. Limiting groove; 222. Stepper motor; 3. Detection structure; 01. Horizontal plate; 302. Slider; 303. Third slide groove; 304. Second telescopic device; 305. Top frame; 306. Auxiliary rod; 307. Holder; 308. Storage tube; 309. Sliding connecting plate; 310. Third telescopic device; 311. Rotating connecting plate; 312. Restricting connecting sleeve; 313. Adjusting rod; 314. Tail plate; 315. Second spring; 316. Sliding rod; 317. Inner plate; 318. Scale line; 319. Groove; 320. Roller; 321. Metal rod; 322. Outer plate; 323. Measuring tape; 324. Motor; 4. Control panel; 5. Handle; 6. Self-locking caster wheel. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1:

[0034] like Figures 1-9 As shown, this embodiment of the invention provides a non-destructive testing device for the quality of hydraulic pressure steel pipes, including a base plate 1. A flaw detection structure 2 is provided at the front edge of the center of the upper end surface of the base plate 1, and detection structures 3 are provided on the upper end surfaces of the base plate 1 on both sides of the flaw detection structure 2.

[0035] The flaw detection structure 2 comprises a receiving groove 201 arranged at the upper end face center of the front side edge of the bottom plate 1, a stepping motor 222 arranged at the inner side of the front end edge of the receiving groove 201, the output end of the stepping motor 222 fixedly connected with a base rod 202, the other side wall of the base rod 202 rotatably connected with the other inner side wall of the receiving groove 201, a connecting screw rod 212 arranged at the upper end face center of the rear side edge of the base rod 202, the lower end of the connecting screw rod 212 penetrating through the upper end face of the base rod 202 and extending to the lower end, and the end portion threadedly connected with an adjusting nut 213, the upper end of the base rod 202 provided with a movable rod 203, the lower end face center of the movable rod 203 provided with a second sliding groove 211, the inner portion of the second sliding groove 211 slidably connected with a sliding block 214, the other end of the sliding block 214 movably connected with the lower end face of the sliding block 214, the upper end face center of the one side edge of the movable rod 203 provided with a first sliding groove 204, the inner portion of the first sliding groove 204 provided with a first telescopic device 205, the output end of the first telescopic device 205 connected with an ultrasonic detection head 207 through a connecting base 206, and in use, the base rod 202 is driven to rotate by the stepping motor 222, and after rotating by 90 degrees, the base rod 202 is perpendicular to the receiving groove 201, then the movable rod 203 is slid upward under the action of the sliding relationship between the sliding block 214 and the second sliding groove 211, then rotated by 90 degrees, and the position after adjustment is fixed through the threaded connection relationship between the connecting screw rod 212 and the adjusting nut 213, the first telescopic device 205 is turned out from the inner portion of the first sliding groove 204, the first telescopic device 205 after adjustment is fixed by the adjusting screw 210, and through being arranged as a multidirectional adjustment structure, the ultrasonic detection head 207 can be minimized folded and stored through cooperation with the receiving groove 201, the occupied space is reduced, and it is convenient to use and adjust.

[0036] A bolt is fixedly connected to the lower end face of the rear side of the first telescopic device 205, the lower end of the bolt penetrates through the lower inner wall of the first sliding groove 204 and extends to the lower end, and the end portion is threadedly connected with an adjusting screw 210, the upper end face of the first telescopic device 205 is rotatably connected with the upper inner wall of the first sliding groove 204, and one side wall of the connecting base 206 is connected with an application structure.

[0037] The smearing structure comprises a liquid storage spray tube 208, a connecting block 220 fixedly connected to the center of one side wall of the liquid storage spray tube 208, an electric piston rod 209 arranged at the rear end of the liquid storage spray tube 208, and a detachable connection between the liquid storage spray tube 208 and the electric piston rod 209. A pulling rod 216 is arranged on the upper end face of the base 206 close to the connecting block 220, an active hole is arranged on the upper end face of the base 206 at the lower end of the pulling rod 216, a partition plate 215 is fixedly connected to the inner side wall of the active hole, a limiting plate 217 is fixedly connected to the upper end face of the base 206 at the lower end of the pulling rod 216, the lower end of the pulling rod 216 penetrates through the upper end of the limiting plate 217 and the partition plate 215 inside the active hole and reaches the lower end, and the end is fixedly connected with a limiting block 219. A limiting groove 221 is arranged at the center of the upper end face of the connecting block 220 below the limiting block 219. A first spring 218 is sleeved on the side wall of the pulling rod 216 between the partition plate 215 and the limiting plate 217, and the upper and lower ends of the first spring 218 are fixedly connected to the lower end face of the limiting plate 217 and the upper end face of the partition plate 215, respectively. One end of the connecting block 220 penetrates through one side wall of the connecting base 206 and reaches the inside, and the limiting block 219 and the limiting groove 221 are matched with each other. In use, the first telescopic device 205 adjusted is inserted into the inside of the pipeline, the ultrasonic detection head 207 is first preset to adhere to the inner wall of the pipeline, then the coupling agent in the liquid storage spray tube 208 is smeared on the detection position through the cooperation between the electric piston rod 209 and the liquid storage spray tube 208, then the ultrasonic detection head 207 is adhered to the inner wall of the pipeline for ultrasonic detection, and according to the diameter of the pipeline, the position of the sliding block 214 in the second sliding groove 211 is adjusted, then the sliding block 214 is taken as the rotation center, one-time detection and detection of any position of the inner wall of the pipeline can be realized without re-adjustment, and the overall efficiency is improved.

[0038] The detection structure 3 comprises two third sliding grooves 303, the lower ends of the two third sliding grooves 303 are respectively arranged at the center of the lower end face of the bottom plate 1 close to the two side edges, the interiors of the two third sliding grooves 303 are respectively provided with second telescopic devices 304, the lower ends of the two second telescopic devices 304 are respectively fixedly connected at the center of the lower inner wall of the two third sliding grooves 303 close to the front side, sliding connection plates 309 are arranged at the upper ends of the two third sliding grooves 303, the lower end faces of the sliding connection plates 309 are respectively fixedly connected with sliding blocks 302 at the center close to the two side edges, the side walls of the two sliding blocks 302 are respectively slidably connected in the interiors of the two third sliding grooves 303, the output ends of the two second telescopic devices 304 are respectively fixedly connected on the front side walls of the two sliding blocks 302, a rotating motor is fixedly connected at the center of the lower end face of the sliding connection plate 309, the output end of the rotating motor penetrates through the lower end face of the sliding connection plate 309 and extends to the upper end, and the end portion is fixedly connected with a rotating connection plate 311, a third telescopic device 310 is fixedly connected at the center of the upper end face of the rotating connection plate 311 close to the rear side, auxiliary rods 306 are respectively fixedly connected at the four diagonal positions of the upper end face of the rotating connection plate 311 on the two sides of the third telescopic device 310, four auxiliary rods 306 are commonly fixedly connected with a top frame 305 at the upper ends, a horizontal plate 301 is commonly sleeved on the side walls of the four auxiliary rods 306 between the top frame 305 and the rotating connection plate 311, the output end of the third telescopic device 310 is fixedly connected on the lower end face of the horizontal plate 301, and a measuring structure is fixedly connected at the center of the upper end face of the horizontal plate 301, the two sliding blocks 302 are driven to slide in the interiors of the two third sliding grooves 303 through the telescopic driving of the two second telescopic devices 304, then the rotating connection plate 311 is driven to rotate by 360 degrees through the rotating motor, the direction is flexibly adjusted, then the telescopic cooperation between the third telescopic device 310 and the horizontal plate 301 can satisfy the detection and treatment of pipes with different diameters, the overall adjustment is more flexible, and it is convenient for on-site construction and use.

[0039] The measuring structure comprises a motor 324, an upper end of the motor 324 is provided with a retainer 307, a lower end of the retainer 307 is fixedly connected to an upper end face of the horizontal plate 301, an output end of the motor 324 is connected with a receiving tube 308, two side walls of the receiving tube 308 are movably connected with adjusting rods 313 at the centers, the two adjusting rods 313 are threadedly connected with limiting connecting sleeves 312 at the connecting positions of the two ends of the receiving tube 308, so as to adjust the extension lengths of the two adjusting rods 313 inside the receiving tube 308, the other ends of the two adjusting rods 313 are connected with inner plates 317, the other side wall centers of the two inner plates 317 are fixedly connected with sliding rods 316 at the rear side edges, the other sides of the two inner plates 317 are provided with outer plates 322, the other ends of the two sliding rods 316 are respectively penetrated through the side walls of the two outer plates 322 and respectively extend to the other sides, and the ends are fixedly connected with tail plates 314, the side walls of the two sliding rods 316 between the two tail plates 314 and the two outer plates 322 are respectively sleeved with second springs 315, the two ends of the two second springs 315 are fixedly connected to the side walls of the two tail plates 314 and the side walls of the two outer plates 322, recesses 319 are arranged on the opposite surfaces of the two inner plates 317 and the two outer plates 322, metal rods 321 are arranged in the interiors of the four recesses 319, the two ends of the four metal rods 321 are fixedly connected to the center positions of the two inner side walls of the four recesses 319, a plurality of rollers 320 are sleeved on the side walls of the four metal rods 321 in the interiors of the four recesses 319, the horizontal plate 301 is lifted to a certain height under the adjustment of the third telescopic device 310, then the lengths of the two receiving tubes 308 are adjusted by the two adjusting rods 313, so as to measure the inner diameter of the pipeline, when measuring, the two outer plates 322 are moved to one side, the second springs 315 are compressed in the moving process, the outer plates 322 and the inner plates 317 can be simultaneously attached to the inner wall and the outer wall of the pipeline by cooperation, then the receiving tube 308 is driven to rotate by the motor 324, the outer plates 322 and the inner plates 317 can reduce the resistance in the rotating process under the actions of the metal rods 321 and the plurality of rollers 320, so as to rotate and measure the inner diameter and the outer diameter of the pipeline, and the cross-sectional shape of the pipeline can also be detected whether it is circular.

[0040] The side wall centers of the two outer plates 322 are fixedly connected with tapes 323 at the side edges, the lengths of the pipelines can be simultaneously detected when in use, the upper end face centers of the two adjusting rods 313 are provided with scale lines 318, the inner diameter length of the pipeline can be obtained by adding the scale lines 318 on the distances of the two adjusting rods 313 when in use.

[0041] The lower end face center of the bottom plate 1 is fixedly connected with four self-locking universal wheels 6 at four corners, respectively, so as to facilitate free movement of the whole device, and the rear wall of the bottom plate 1 is fixedly connected with handles 5, and the upper end face between the two handles 5 is fixedly connected with a control panel 4.

[0042] Working principle: the application is a kind of water conservancy pressure steel pipe quality nondestructive testing device, when in use, the base rod 202 is driven to rotate by the stepping motor 222, and after rotating by 90 degrees, the base rod 202 is in a vertical state with the storage groove 201, then the movable rod 203 is slid upward under the action of the sliding block 214 and the second sliding groove 211, then it is rotated by 90 degrees, and the position after adjustment is fixed through the threaded connection relationship between the connecting screw 212 and the adjusting nut 213, the first telescopic device 205 is turned out from the inside of the first sliding groove 204, the adjusted first telescopic device 205 is fixed by the adjusting screw 210, it is set as a multidirectional adjustment structure, and can be minimized folded and stored through cooperation with the storage groove 201, reducing the occupied space, and being convenient to use and adjust;

[0043] By adjusting the first telescopic device 205 to extend into the inside of the pipeline, the ultrasonic detection head 207 is first preset to adhere to the inner wall of the pipeline, then the coupling agent in the liquid storage spray cylinder 208 is applied to the position to be detected through the cooperation between the electric piston rod 209 and the liquid storage spray cylinder 208, then the ultrasonic detection head 207 is adhered to the inner wall of the pipeline for ultrasonic detection, and according to the diameter of the pipeline, the position of the sliding block 214 in the second sliding groove 211 is adjusted, then the sliding block 214 is taken as the rotation center, the inner wall of the pipeline can be detected and detected at any position at one time, without the need for further adjustment, and the overall efficiency is improved;

[0044] The two sliding blocks 302 are driven to slide in the two third sliding grooves 303 through the extension of the two second telescopic devices 304, then the rotating connection plate 311 is driven to rotate by 360 degrees through the rotating motor, so as to realize flexible adjustment of the direction, then the third telescopic device 310 and the horizontal plate 301 can be matched through extension, so as to satisfy the detection of pipelines with different diameters, and the overall adjustment is more flexible and convenient for on-site construction;

[0045] By lifting the horizontal plate 301 to a certain height under the adjustment of the third telescopic device 310, then by adjusting the length of the two receiving tubes 308 through the two adjusting rods 313, the inner diameter of the pipe is measured. When measuring, the two outer plates 322 are pushed to one side, and the second spring 315 is compressed in the process of pushing. Through the cooperation of the outer plate 322 and the inner plate 317, the inner wall and the outer wall of the pipe can be simultaneously fitted. Then the receiving tube 308 is driven to rotate by the motor 324. Under the action of the metal rod 321 and the plurality of rollers 320, the resistance of the outer plate 322 and the inner plate 317 during rotation can be reduced. The inner diameter and the outer diameter of the pipe can be measured by rotation. At the same time, it can also realize whether the cross-sectional shape of the pipe is circular.

[0046] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A non-destructive testing device for the quality of hydraulic pressure steel pipes, comprising a base plate (1), characterized in that: A flaw detection structure (2) is provided at the front edge of the center of the upper end surface of the base plate (1), and a detection structure (3) is provided on the upper end surface of the base plate (1) on both sides of the flaw detection structure (2). The flaw detection structure (2) includes a storage groove (201), which is located at the front edge of the upper end face of the base plate (1). A stepper motor (222) is installed inside the storage groove (201) near the front edge. The output end of the stepper motor (222) is fixedly connected to a base rod (202). The other side wall of the base rod (202) is rotatably connected to the other inner side wall of the storage groove (201). A connecting screw (212) is installed at the rear edge of the upper end face of the base rod (202). The lower end of the connecting screw (212) passes through the upper end face of the base rod (202) and extends to the lower end. An adjusting nut (212) is threaded at the end of the screw. 3) The upper end of the base rod (202) is provided with a movable rod (203). The center of the lower end face of the movable rod (203) is provided with a second sliding groove (211). The interior of the second sliding groove (211) is slidably connected with a sliding block (214). The other end of the sliding block (214) is movably connected to the lower end face of the sliding block (214). The center of the upper end face of the movable rod (203) is provided with a first sliding groove (204) near one side edge. The interior of the first sliding groove (204) is provided with a first telescopic device (205). The output end of the first telescopic device (205) is connected to an ultrasonic detection head (207) through a connecting base (206). A bolt is fixedly connected to the lower end face of the first telescopic device (205) on the rear side. The lower end of the bolt passes through the lower inner wall of the first slide groove (204) and leads to the lower end. An adjusting screw (210) is threaded to the end. The upper end face of the first telescopic device (205) is rotatably connected to the upper inner wall of the first slide groove (204). A coating structure is connected to one side wall of the connecting base (206).

2. The non-destructive testing device for the quality of hydraulic pressure steel pipes according to claim 1, characterized in that: The coating structure includes a liquid storage spray nozzle (208), a connecting block (220) is fixedly connected to the center of one side wall of the liquid storage spray nozzle (208), an electric piston rod (209) is provided at the rear end of the liquid storage spray nozzle (208), the liquid storage spray nozzle (208) and the electric piston rod (209) are detachably connected, a pull rod (216) is provided on the upper surface of the connecting base (206) near the connecting block (220), a movable hole is provided on the upper surface of the connecting base (206) at the lower end of the pull rod (216), a partition plate (215) is fixedly connected to the inner side wall of the movable hole, a limiting plate (217) is fixedly connected to the upper surface of the connecting base (206) at the lower end of the pull rod (216), the pull rod (216) is fixedly connected to the connecting base (20 ... The lower end of 16) passes through the upper end of the limiting plate (217) and the partition plate (215) located inside the movable hole and extends to the lower end. The end is fixedly connected to the limiting block (219). A limiting groove (221) is provided at the center of the upper end face of the connecting block (220) at the lower end of the limiting block (219). A first spring (218) is sleeved on the side wall of the pulling rod (216) between the partition plate (215) and the limiting plate (217). The upper and lower ends of the first spring (218) are fixedly connected to the lower end face of the limiting plate (217) and the upper end face of the partition plate (215), respectively. One end of the connecting block (220) passes through one side wall of the connecting base (206) and extends to the interior. The limiting block (219) and the limiting groove (221) are mutually adapted.

3. The non-destructive testing device for the quality of hydraulic pressure steel pipes according to claim 1, characterized in that: The detection structure (3) includes two third slide grooves (303). The lower ends of the two third slide grooves (303) are respectively located at the center of the lower end face of the base plate (1) near the two side edges. The interior of the two third slide grooves (303) is respectively provided with second telescopic devices (304). The lower ends of the two second telescopic devices (304) are respectively fixedly connected to the center of the lower inner wall of the two third slide grooves (303) near the front side. A sliding connecting plate (309) is provided at the upper end of the two third slide grooves (303). The lower end face of the sliding connecting plate (309) is respectively fixedly connected to the center of the lower end face near the two side edges. The side walls of the two sliders (302) are respectively slidably connected to the interior of the two third slide grooves (303). The output ends of the two second telescopic devices (304) are respectively fixedly connected to the front side walls of the two sliders (302). The sliding connecting plate (309) is... A rotating motor is fixedly connected to the center of the lower end face of the sliding connecting plate (309). The output end of the rotating motor passes through the lower end face of the sliding connecting plate (309) and extends to the upper end. A rotating connecting plate (311) is fixedly connected to the end of the rotating connecting plate (311). A third telescopic device (310) is fixedly connected to the center of the upper end face of the rotating connecting plate (311) on both sides of the third telescopic device (310). Auxiliary rods (306) are fixedly connected to the upper ends of the four auxiliary rods (306) at the four opposite corners. A top frame (305) is fixedly connected to the upper ends of the four auxiliary rods (306). A horizontal plate (301) is sleeved on the side wall of the four auxiliary rods (306) between the top frame (305) and the rotating connecting plate (311). The output end of the third telescopic device (310) is fixedly connected to the lower end face of the horizontal plate (301). A measuring structure is fixedly connected to the center of the upper end face of the horizontal plate (301).

4. The non-destructive testing device for the quality of hydraulic pressure steel pipes according to claim 3, characterized in that: The measuring structure includes a motor (324), with a retainer (307) at the upper end of the motor (324). The lower end of the retainer (307) is fixedly connected to the upper surface of the horizontal plate (301). The output end of the motor (324) is connected to a receiving tube (308). Adjusting rods (313) are movably connected to the center of each of the two side walls of the receiving tube (308). Limiting connecting sleeves (312) are threadedly connected to the two end faces of the receiving tube (308) to adjust the extension length of the two adjusting rods (313) inside the receiving tube (308). The other end of the two adjusting rods (313) is connected to an inner plate (317). Sliding rods (316) are fixedly connected to the rear edge of the center of the other side wall of the two inner plates (317). An outer plate (322) is provided on the other side of the two inner plates (317). The other end of the rod (316) passes through the side walls of the two outer plates (322) and leads to the other side, and the end is fixedly connected to the tail plate (314). The two sliding rods (316) located between the two tail plates (314) and the two outer plates (322) are respectively fitted with second springs (315). The two ends of the two second springs (315) are respectively fixedly connected to one side wall of the two tail plates (314) and one side wall of the two outer plates (322). The two inner plates (317) and the two outer plates (322) are respectively provided with grooves (319). The four grooves (319) are respectively provided with metal rods (321). The two ends of the four metal rods (321) are respectively fixedly connected to the center of the two inner side walls of the four grooves (319). Multiple rollers (320) are respectively fitted on the side walls of the four metal rods (321) located inside the four grooves (319).

5. The non-destructive testing device for the quality of hydraulic pressure steel pipes according to claim 4, characterized in that: A measuring tape (323) is fixedly connected to the center of one side wall of each of the two outer panels (322) near one side edge.

6. The non-destructive testing device for the quality of hydraulic pressure steel pipes according to claim 4, characterized in that: The two adjusting rods (313) are respectively provided with scale lines (318) at the center of the upper end face.

7. The non-destructive testing device for the quality of hydraulic pressure steel pipes according to claim 1, characterized in that: The bottom plate (1) has self-locking casters (6) fixedly connected to the center of the lower end face near the four opposite corners. The bottom plate (1) has handles (5) fixedly connected to the rear side wall. The control panel (4) is fixedly connected to the upper end face between the two handles (5).

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