Non-contact pipe scanning equipment

Abstract

The utility model relates to non-contact pipe scanning equipment which comprises an immersion tank, a turnover mechanism, a clamping and rotating mechanism, a scanning mechanism and an auxiliary material receiving frame, the turnover mechanism is arranged above the immersion tank, and the clamping and rotating mechanism is mounted on the turnover mechanism; the scanning mechanism is arranged on the front side of the turnover mechanism; the auxiliary material receiving frame is movably arranged on the rear side of the turnover mechanism; the auxiliary material receiving frame comprises a support and a bracket, and the bracket is movably arranged on the support. The auxiliary material receiving frame is used for transferring the pipes, and feeding is easy and convenient; the pipe is immersed in the liquid medium of the immersion tank when the clamping and rotating mechanism is driven by the overturning mechanism to overturn forwards, in the scanning and detecting process, the pipe is driven by the clamping and rotating mechanism to rotate around the axis of the pipe, non-contact scanning and detecting operation is carried out, the probe does not make contact with the pipe in the scanning and detecting process, and the scanning and detecting efficiency is improved. And a liquid medium in the immersion tank is used as a sound wave propagation medium of the probe, so that the detection quality and the detection precision of the pipe are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic detection, in particular to a non-contact pipe scanning device. Background Art

[0002] At present, when ultrasonic scanning and testing is performed on the surface of pipes, the water spray method is mostly used for the detection process, that is, water is sprayed on the surface of the pipe, and the detection probe is used to directly scan and detect the surface of the pipe. Although this water spray method is simple to operate, it must contact the surface of the pipe during scanning, and it is inevitable that the surface of the pipe will be worn during the detection process. Therefore, the water spray method is generally used for rough processing products such as steel profiles that have low requirements on the surface of the pipe. Due to the increasing requirements for the detection accuracy of pipes, some pipes used as targets require that no wear should be caused to their surfaces during detection, and even require non-contact detection. In order to meet the needs of non-contact scanning of pipes, the applicant has developed a device that clamps the pipe and immerses it in liquid for non-contact scanning.

[0003] Since pipes are generally heavy, and the lengths of the pipes being tested are different, and the diameters sometimes vary greatly, the loading, clamping, and unloading of the pipes are also quite difficult. Utility Model Content

[0004] The problem to be solved by the utility model is to provide a non-contact pipe scanning device, which can accurately detect pipes without contacting them, and the loading and unloading of pipes is simple and convenient. The technical solution adopted is as follows:

[0005] A non-contact pipe scanning device, characterized in that it includes an immersion tank, a flipping mechanism, a clamping and rotating mechanism, a scanning mechanism and an auxiliary material receiving rack; the flipping mechanism is arranged above the immersion tank, the clamping and rotating mechanism is installed on the flipping mechanism, and the flipping mechanism can drive the clamping and rotating mechanism to flip forward or backward; the scanning mechanism is arranged on the front side of the flipping mechanism, and the scanning mechanism includes an adjustable probe; the auxiliary material receiving rack is movably arranged on the rear side of the flipping mechanism; the auxiliary material receiving rack includes a bracket and a support, the bracket is movably arranged on the bracket, and the moving direction of the bracket is perpendicular to the length direction of the immersion tank.

[0006] The liquid medium in the immersion tank is used as the sound wave propagation medium of the probe during the whole scanning and testing process. During the whole scanning and testing process, the probe needs to be immersed in the liquid medium of the immersion tank. Different liquid media can be filled in the immersion tank according to the needs of the scanning and testing operation. In the absence of special requirements, water is generally used as the scanning and testing medium to reduce the scanning and testing cost.

[0007] The pipe is placed on the bracket of the auxiliary material receiving rack. The auxiliary material receiving rack is moved to the appropriate position according to the length of the pipe. The staff can push the pipe to the loading station in the direction of the immersion tank. The flipping mechanism drives the clamping and rotating mechanism to flip backward as a whole. The clamping and rotating mechanism clamps the entire pipe and then flips forward to immerse the pipe in the liquid medium of the immersion tank. When the pipe is immersed in the liquid medium, the flipping mechanism stops moving. Then the clamping and rotating mechanism drives the pipe to rotate, and the scanning mechanism scans the pipe. When the pipe completes all scanning and inspection operations, the flipping mechanism flips in the opposite direction, flips the entire pipe up and out of the immersion tank, and further places it on the auxiliary material receiving rack. On the other hand, when the scanning and inspection operation is completed, the flipping mechanism drives the clamping and rotating mechanism to flip backward and out of the immersion tank, which helps to reduce the immersion and corrosion maintenance of the equipment and facilitates the loading and unloading of the pipes to be inspected.

[0008] The flipping mechanism can use a servo motor to drive the flipping shaft to rotate. Specifically, in a specific scheme, the flipping mechanism includes a fixed seat, a flipping motor, a flipping shaft and a flipping seat. Both ends of the flipping shaft are rotatably mounted on the fixed seat. The flipping shaft is located above the immersion tank. The flipping seat is fixedly mounted on the flipping shaft and rotates with the flipping seat. One end of the flipping shaft is transmission-connected to the output shaft of the flipping motor.

[0009] The clamping and rotating mechanism is used to clamp the pipe and can drive the pipe to rotate in its axial direction.

[0010] The above-mentioned scanning mechanism is used to perform contactless scanning and inspection operations on the pipe. The scanning mechanism is provided with an adjustable probe. The probe can adjust its relative position with the pipe, and can also translate along the length direction of the pipe to adjust its relative horizontal position with the pipe, so as to perform circumferential scanning and inspection operations on the pipe in different inspection intervals of the pipe.

[0011] In a preferred embodiment, the bracket includes at least two V-shaped bracket blocks.

[0012] In a further preferred solution, at least two linear guide rails are provided on the bracket, the linear guide rails are perpendicular to the length direction of the immersion tank, and each V-shaped support block is respectively arranged on the corresponding linear guide rail.

[0013] In a further preferred embodiment, the V-shaped support block includes a triangular fixed block, a triangular movable block and a locking mechanism. The triangular fixed block is fixedly mounted at the end of the linear guide rail. A sliding groove is provided on the linear guide rail. The triangular movable block is arranged in the sliding groove and can slide along the sliding groove. The locking mechanism is arranged between the linear guide rail and the triangular movable block.

[0014] In a further preferred embodiment, guide grooves are provided on both side walls of the linear guide rail, at least two bearings are installed on both sides of the triangular movable block, the bearings are located in the guide grooves, and the locking mechanism includes a screw located in the guide grooves.

[0015] As a preferred solution of the utility model, the clamping and rotating mechanism includes a first clamping and rotating assembly and a second clamping and rotating assembly. The first clamping and rotating assembly is fixedly arranged at the power output end of the flipping mechanism, and the second clamping and rotating assembly is translationally arranged at the power output end of the flipping mechanism.

[0016] As a further preferred embodiment of the present invention, the first clamping and rotating assembly includes a first driving device and a first conical plug, the first driving device is fixedly mounted on the power output end of the flipping mechanism, and the first conical plug is mounted on the power output end of the first driving device; the second clamping and rotating assembly includes a translation driving mechanism, a driven device and a second conical plug, the translation driving mechanism is arranged on the power output end of the flipping mechanism, the driven device is mounted on the power output end of the translation driving mechanism, and the second conical plug is mounted on the linkage end of the driven device; the cone of the first conical plug is opposite to the cone of the second conical plug, and the axis of the first conical plug is on the same horizontal line as the axis of the cone of the second conical plug. The translation driving mechanism first translates the second conical plug to the corresponding position according to the length of the pipe, and then the first conical plug and the second conical plug are inserted from the two ends of the pipe to clamp and fix the pipe. When the pipe is immersed in the coupling liquid for scanning and inspection, the first driving device is started, and with the cooperation of the driven device, the first conical head and the second conical head are rotated, and the clamping friction between the side surfaces of the first conical head and the second conical head and the inner wall of the pipe drives the pipe to rotate along its axis, so that the probe can scan the outer wall of the pipe at a certain inspection interval of the pipe.

[0017] In practical applications, the first conical plug and the second conical plug of different sizes can be replaced according to pipes of different diameters to improve the applicability of the equipment.

[0018] In a specific solution, the first driving device is driven by a servo motor, and the first conical plug can be directly mounted on the output shaft of the servo motor, or connected to the output shaft of the servo motor through a rotating shaft and a synchronous belt. The driven device can be a driven roller, and the second conical plug can be directly mounted on the roller shaft of the driven roller.

[0019] As a further preferred embodiment of the utility model, the translation drive mechanism includes a translation guide rail, a translation seat, a translation drive motor, a translation rack and a translation drive gear; the translation guide rail and the translation rack are arranged horizontally and in parallel, and the translation seat can be movably mounted on the translation guide rail; the translation drive gear can be rotatably mounted on the translation seat, and the translation drive gear is connected to the output shaft of the translation drive motor, and the translation drive gear is meshed with the translation rack. The translation drive motor drives the translation drive gear to rotate, so that the entire translation seat is translated along the translation guide rail under the meshing action of the translation drive gear and the translation rack, so that the distance between the second conical head and the first conical head is adapted to the pipe to be scanned.

[0020] As a preferred embodiment of the present invention, the scanning mechanism includes a scanning translation adjustment mechanism, a scanning front-to-back adjustment mechanism, a scanning lifting adjustment mechanism, and the probe; the scanning translation adjustment mechanism is arranged on one side of the immersion tank, the scanning front-to-back adjustment mechanism is installed on the adjustment end of the scanning translation adjustment mechanism, the scanning lifting adjustment mechanism is installed on the adjustment end of the scanning front-to-back adjustment mechanism, and the probe is installed on the adjustment end of the scanning lifting adjustment mechanism. Usually, after adjusting the relative horizontal position, relative front-to-back position, and relative height position between the probe and the pipe, the position of the probe is no longer adjusted during the circumferential scanning and inspection operation of a certain inspection interval of the pipe. In a specific scheme, the scanning translation adjustment mechanism, the scanning front-to-back adjustment mechanism, and the scanning lifting adjustment mechanism can be adjusted by a suitable motorized or manual method according to the accuracy requirements. For example, in a specific scheme, the scanning translation adjustment mechanism can adopt a synchronous belt adjustment method, and the scanning front and rear adjustment mechanism can be installed on the scanning translation seat, and translated along the length direction of the pipe under the drive of the synchronous belt; the scanning front and rear adjustment mechanism can adopt a motor-driven nut to drive the screw to rotate, so that the scanning front and rear adjustment seat moves forward and backward; the scanning lifting adjustment mechanism can adopt a manual adjustment method, by manually rotating the screw rod and cooperating with the screw hole on the scanning front and rear adjustment seat, the scanning lifting seat can be lifted and lowered.

[0021] As a further preferred solution of the utility model, the scanning mechanism is also provided with a proximity switch, and the proximity switch is close to the probe. When the proximity switch detects the pipe, the scanning translation adjustment mechanism stops moving to prevent the probe from being too close to the pipe.

[0022] Compared with the prior art, the utility model has the following advantages:

[0023] This non-contact pipe scanning equipment uses an auxiliary material receiving frame to transfer pipes, which makes loading simple and convenient; and the flipping mechanism drives the clamping and rotating mechanism to flip upward or downward. When flipping backward, the material is received or unloaded, and when flipping forward, the lower half of the pipe is immersed in the liquid medium of the immersion tank. During the scanning and inspection process, the pipe is driven to rotate around its axis by the clamping and rotating mechanism. During the rotation process, the probe performs a non-contact scanning and inspection operation on the current inspection section of the pipe. During the scanning and inspection process, the probe and the pipe are not in contact, and the liquid medium in the immersion tank is used as the sound wave propagation medium of the probe, thereby improving the inspection quality and inspection accuracy of the pipe; at the same time, within the specification range of the equipment, it can perform non-contact scanning and inspection operations on pipes of any length but different diameters that meet the requirements of the equipment, especially special-shaped pipes with diameter changes along the length direction, thereby improving the applicability of non-contact scanning and inspection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the main part of the preferred embodiment of the utility model;

[0026] Figure 3 This is a structural schematic diagram of the main part of another perspective of the preferred embodiment of the utility model;

[0027] Figure 4 for Figure 2 Top view

[0028] Figure 5 for Figures 2 to 4 A schematic diagram of the structure of the scanning front and rear adjustment mechanism and the scanning lifting and lowering adjustment mechanism of the middle scanning mechanism;

[0029] Figure 6 It is a structural schematic diagram of the auxiliary material receiving mechanism. DETAILED DESCRIPTION

[0030] The following is a further description of the preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0031] like Figures 1 to 5 As shown, the non-contact pipe scanning device includes an immersion tank 1, a turning mechanism 2, a clamping and rotating mechanism 3, a scanning mechanism 4 and an auxiliary material receiving mechanism 5; the turning mechanism 2 is arranged above the immersion tank 1, the clamping and rotating mechanism 3 is installed on the turning mechanism 2, and the turning mechanism 2 can drive the clamping and rotating mechanism 3 to turn forward or backward; the scanning mechanism 4 is arranged at the front side of the turning mechanism 3, and the scanning mechanism 4 includes an adjustable probe 44; the auxiliary material receiving frame 5 is movably arranged at the rear side of the turning mechanism 2;

[0032] like Figure 6 As shown, the auxiliary material receiving rack 5 includes a bracket 51 and a support, the bracket includes two V-shaped support blocks 52, the bracket 51 is provided with two linear guide rails 53, the linear guide rails 53 are perpendicular to the length direction of the immersion tank 1, the V-shaped support block 52 includes a triangular fixed block 521, a triangular movable block 522 and a locking screw 523 (locking mechanism), the triangular fixed block 521 is fixedly installed at the end of the linear guide rail 53, the linear guide rail 53 is provided with a sliding groove 54, the triangular movable block 522 is arranged in the sliding groove 54 and can slide along the sliding groove 54; the two side walls of the linear guide rail 53 are provided with guide grooves 55, and two bearings 56 are respectively installed on both sides of the triangular movable block 522, the bearings 56 are located in the guide grooves 55, and the locking screws 523 (locking mechanism) are located in the guide grooves 55 and support the triangular movable block 522.

[0033] In actual scanning and testing operations, the immersion tank 1 is filled with a liquid medium. The liquid medium in the immersion tank 1 serves as the sound wave propagation medium of the probe 44 during the entire scanning and testing operation. Different liquid media can be injected according to the needs of the scanning and testing operation. In the absence of special requirements, water is generally used as the scanning and testing medium to reduce the scanning and testing cost.

[0034] The pipe 100 is placed on the two V-shaped support blocks 52 of the auxiliary material receiving rack 5, and the triangular movable block 522 is adjusted to the corresponding position according to the diameter of the pipe 100, and then the locking screw 523 (locking mechanism) is locked, and the auxiliary material receiving rack 5 is moved to a suitable position according to the length of the pipe 100. The staff can push the pipe 100 to the loading station in the direction of the immersion tank 1, and the flipping mechanism 2 drives the clamping and rotating mechanism 3 to flip backward as a whole, and the clamping and rotating mechanism 3 clamps the entire pipe 100, and then flips forward to immerse the pipe 100 in the liquid medium of the immersion tank 1; when the pipe 100 is immersed in the liquid medium, the flipping mechanism 2 stops moving; then the clamping and rotating mechanism 3 drives the pipe 100 to rotate, and the scanning mechanism 4 scans the pipe 100; when the pipe 100 completes all scanning and detection operations, the flipping mechanism 2 flips in the opposite direction, flips the entire pipe 100 up and out of the immersion tank 1, and further places it on the auxiliary material receiving rack 5. On the other hand, when the scanning and inspection operation is finished, the flipping mechanism 2 drives the clamping and rotating mechanism 3 to flip backward and leave the immersion tank 1, which helps to reduce the immersion corrosion maintenance of the equipment and facilitates the loading and unloading of the pipe 100 to be inspected.

[0035] In this embodiment, the flip mechanism 2 can be driven by a servo motor to rotate the flip shaft 25. Specifically, Figures 1 to 3As shown, the flip mechanism 2 includes a fixed seat 21, a flip motor 22, a flip transmission pinion 23, a flip transmission gear 24, a flip shaft 25 and a flip seat 26. Both ends of the flip shaft 25 are rotatably mounted on the fixed seat 21. The flip shaft 25 is located above the immersion tank 1. The flip seat 26 is fixedly mounted on the flip shaft 25 and rotates with the flip seat 26. One end of the flip shaft 25 is transmission-connected with the flip transmission gear 24. The flip motor 22 is arranged on the fixed seat 21. The output shaft of the flip motor 22 is transmission-connected with the flip transmission pinion 23. The flip transmission pinion 23 is meshed with the flip transmission gear 24. When in action, the flip motor 22 drives the flip transmission pinion 23 to rotate, and the meshing of the flip transmission pinion 23 and the flip transmission gear 24 drives the flip transmission gear 24 to rotate, thereby driving the flip shaft 25 to rotate, thereby driving the flip seat 26 to flip up or down.

[0036] The clamping and rotating mechanism 3 is used to clamp the pipe and can drive the pipe to rotate along its axial direction. Figures 1 to 3 As shown, the clamping and rotating mechanism 3 includes a first clamping and rotating assembly 31 and a second clamping and rotating assembly 32: the first clamping and rotating assembly 31 includes a first driving device 311 and a first conical top 312, the first driving device 311 is fixedly mounted on the flip seat 26, and the first conical top 312 is mounted on the power output end of the first driving device 311; the second clamping and rotating assembly 32 includes a translation driving mechanism 321, a driven device 322 and a second conical top 323, the translation driving mechanism 321 is arranged on the flip seat 26, the driven device 322 is mounted on the power output end of the translation driving mechanism 321, and the second conical top 323 is mounted on the linkage end of the driven device 322; the cone of the first conical top 312 is opposite to the cone of the second conical top 323, and the axis of the first conical top 312 and the axis of the cone of the second conical top 323 are on the same horizontal line. In practical applications, the first conical plug 312 and the second conical plug 323 of different sizes can be replaced according to pipes of different diameters to improve the applicability of the device.

[0037] In this embodiment, the first driving device 311 is driven by a servo motor, and cooperates with a rotating shaft and a synchronous belt to drive the first conical head 312 to rotate. Specifically, Figures 1 to 3As shown, the first driving device 311 includes a first clamping seat 3111, a first driving motor 3112, a first driving active wheel 3113, a first driving driven wheel 3114, a first driving synchronous belt 3115 and a first rotating shaft 3116. The first clamping seat 3111 and the first driving motor 3112 are arranged on the flip seat 26. The first driving active wheel 3113 is transmission-mounted on the output shaft of the first driving motor 3112. The first driving driven wheel 3114 is rotatably arranged on the first clamping seat 3111. The first driving active wheel 3113 and the first driving driven wheel 3114 tension the first driving synchronous belt 3115 accordingly. The first rotating shaft 3116 is rotatably arranged on the first clamping seat 3111. One end of the first rotating shaft 3116 is transmission-connected to the first driving driven wheel 3114, and the first conical head 312 is mounted on the other end of the first rotating shaft 3116.

[0038] In this embodiment, the translation drive mechanism 321 adopts a method in which the gear rotates and meshes on the rack to drive the translation seat 3212 to move, and the driven device 322 adopts a method in which the second conical head 323 is directly installed. Specifically: Figures 1 to 3 As shown, the translation drive mechanism 321 includes a translation guide rail 3211 (two are provided in this embodiment), a translation seat 3212, a translation drive motor 3213, a translation rack 3214, and a translation drive gear (blocked by the translation seat 3212 and not marked in the figure), the translation guide rail 3211 and the translation rack 3214 are arranged horizontally and parallel, the translation seat 3212 is movably mounted on the translation guide rail 3211, and the translation drive gear is rotatably mounted on the translation seat 3212. 212, the translation driving gear is connected to the output shaft of the translation driving motor 3213, and the translation driving gear is meshed with the translation rack 3214; the driven device 322 includes a second clamping seat 3221 and a driven roller 3222, the second clamping seat 3221 is fixedly mounted on the translation seat 3212, the driven roller 3222 is rotatably mounted on the second clamping seat 3221, and the second conical head 323 is mounted on the roller shaft of the driven roller 3222.

[0039] The translation drive mechanism 321 first translates the second conical head 323 to the corresponding position according to the length of the pipe. Specifically, the translation drive motor 3213 drives the translation drive gear to rotate, so that the entire translation seat 3212 translates along the translation guide rail 3211 under the meshing action of the translation drive gear and the translation rack 3214, so that the distance between the second conical head 323 and the first conical head 312 is adapted to the pipe to be scanned, and then the first conical head 312 and the second conical head 323 are inserted from the two end pipe openings of the pipe, so as to clamp and fix the pipe.

[0040] like Figures 1 to 3As shown, a plurality of detachable wear-resistant strips 33 are provided on the side surfaces of the first conical plug 312 and the second conical plug 323 along the generatrix direction thereof. The wear-resistant strips 33 are in contact with the inner wall of the pipe material, thereby increasing the clamping friction between the first conical plug 312 and the second conical plug 323 and the inner wall of the pipe material, reducing the wear of the first conical plug 312 and the second conical plug 323 during the rotation process, and increasing the service life of the first conical plug 312 and the second conical plug 323.

[0041] like Figures 1 to 4 As shown, the scanning mechanism 4 is used for performing contactless scanning and detection operations on the pipe. The scanning mechanism 4 is provided with an adjustable probe 44. The scanning mechanism 4 is arranged on one side of the flip mechanism 2. The scanning mechanism 4 includes a scanning translation adjustment mechanism 41, a scanning front-back adjustment mechanism 42, a scanning lifting adjustment mechanism 43, a probe 44 and a proximity switch 45. The scanning translation adjustment mechanism 41 is used to adjust the relative horizontal position between the probe 44 and the pipe to determine the current detection interval. The scanning front-back adjustment mechanism 42 is used to adjust the relative front-back position between the probe 44 and the pipe. The scanning lifting adjustment mechanism 43 is used to adjust the relative height position between the probe 44 and the pipe. The scanning translation adjustment mechanism 41, the scanning front-to-back adjustment mechanism 42, and the scanning lifting adjustment mechanism 43 can be adjusted by suitable motorized or manual methods according to the accuracy requirements. In this embodiment, the scanning translation adjustment mechanism 41 can be adjusted by a synchronous belt, and the scanning front-to-back adjustment mechanism 42 is installed on the scanning translation seat 413, and translated along the length direction of the pipe 100 under the drive of the synchronous belt; the scanning front-to-back adjustment mechanism 42 can use a motor to drive the nut to drive the screw rod to rotate, so that the scanning front-to-back adjustment seat 423 moves forward and backward; the scanning lifting adjustment mechanism 43 can be adjusted manually, by manually rotating the screw rod and cooperating with the screw hole on the scanning front-to-back adjustment seat 423, so that the scanning lifting seat 431 is lifted and lowered.

[0042] Specifically, Figures 1 to 3 As shown, the scanning translation adjustment mechanism 41 includes a scanning fixed seat 411, a scanning translation guide rail 412, a scanning translation seat 413, a scanning translation drive motor 414 and a scanning translation drive synchronous belt 415; the scanning fixed seat 411 is arranged at one side of the immersion tank 1, the scanning translation guide rail 412 is horizontally arranged on the scanning fixed seat 411, the scanning translation drive motor 414, the scanning translation drive synchronous belt 415 and the scanning translation guide rail 412 are all arranged on the scanning fixed seat 411, and the scanning translation seat 413 is movably mounted on the scanning translation guide rail 412 and connected to the scanning translation drive synchronous belt 415. During adjustment, the scanning translation drive motor 414 drives the scanning translation drive synchronous belt 415 to move, driving the scanning translation seat 413 to translate along the scanning translation guide rail 412.

[0043] Specifically, Figure 4 As shown, the scanning front and back adjustment mechanism 42 includes a front and back fixed seat 421, a scanning front and back adjustment motor 422, a scanning front and back adjustment seat 423, a front and back translation guide rod 424 (two in the figure) and a front and back adjustment screw rod 425; the front and back fixed seat 421 is arranged on the scanning translation seat 413, and the front and back fixed seat 421 is provided with a guide hole (blocked and not marked in the figure) along the front and back direction that matches the front and back translation guide rod 424, the front and back translation guide rod 424 passes through the corresponding guide hole along the front and back direction, and the scanning front and back adjustment seat 423 is connected to the front end of the front and back translation guide rod 424; the scanning front and back adjustment motor 422 is installed on the front and back fixed seat 421, the front and back adjustment screw rod 425 is arranged along the front and back direction and is connected to the output shaft of the scanning front and back adjustment motor 422 through a nut (not drawn in the figure), and the front end of the front and back adjustment screw rod 425 is rotatably connected and cooperated with the scanning front and back adjustment seat 423. During adjustment, the scanning front and rear adjustment motor 422 drives the front and rear adjustment screw rod 425 to translate forward and backward, driving the scanning front and rear adjustment seat 423 to move forward and backward under the guidance of the front and rear translation guide rod 424 and the guide hole.

[0044] Specifically, Figure 4 As shown, the scanning lifting adjustment mechanism 43 includes a scanning lifting seat 431, a lifting connection seat 432, a scanning lifting guide rod 433 and an adjusting screw 434; the scanning front and rear adjustment seat 423 is provided with a vertical screw hole and a guide hole (blocked and not marked in the figure), the scanning lifting guide rod 433 is in the corresponding guide hole, the lifting connection seat 432 is installed on the upper end of the scanning lifting guide rod 433, the scanning lifting seat 431 is installed on the lower end of the scanning lifting guide rod 433, and the probe 44 and the proximity switch 45 are arranged on the scanning lifting seat 431; the lifting connection seat 432 is provided with a through hole (blocked and not marked in the figure) opposite to the screw hole up and down, the adjusting screw 434 passes through the opposite through hole and screw hole from top to bottom, and the threaded section of the adjusting screw 434 is threadedly connected with the screw hole. During adjustment, the manual adjustment screw rod 434 cooperates with the screw hole on the scanning front and rear adjustment seat 423, so that the scanning lifting seat 431 is lifted and lowered under the guidance of the scanning lifting guide rod 433 and the corresponding guide hole.

[0045] In order to prevent the probe 44 from being too close to the pipe 100, Figure 4 As shown, a proximity switch 45 is provided on the scanning lifting seat 431. When adjusting the relative front-to-back position between the probe 44 of the scanning mechanism 4 and the pipe 100, a set value is set in advance as a safe adjustment range. When the set value is exceeded, the proximity switch 45 is closed, and it is regarded that the relative front-to-back distance between the current probe 44 and the pipe 100 exceeds the set value, and the adjustment is stopped at this time.

[0046] The non-contact pipe scanning and inspection equipment of the utility model utilizes an auxiliary material receiving frame to transfer the pipe, and the loading is simple and convenient; the turning mechanism 2 is utilized to drive the clamping and rotating mechanism 3 to turn upward or downward, and when turning downward, the lower half of the pipe 100 is immersed in the liquid medium of the immersion tank 1. During the scanning and inspection process, the pipe 100 is driven to rotate about its axis by the clamping and rotating mechanism 3. During the rotation process, the probe 44 performs a non-contact scanning and inspection operation on the current inspection section of the pipe 100. During the scanning and inspection process, the probe 44 does not contact the pipe 100, and the liquid medium in the immersion tank 1 is used as the sound wave propagation medium of the probe 44, thereby improving the inspection quality and inspection accuracy of the pipe 100; at the same time, within the specification range of the equipment, it can perform a non-contact scanning and inspection operation on pipes 100 of any length but different diameters that meet the requirements of the equipment, especially special-shaped pipes 100 with diameter changes along the length direction, thereby improving the applicability of non-contact scanning and inspection.

[0047] In addition, it should be noted that the names of the various parts of the specific embodiments described in this specification may be different, and any equivalent or simple changes made based on the structure, features and principles described in the utility model patent concept are included in the protection scope of the utility model patent. The technical personnel of the technical field to which the utility model belongs can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A non-contact pipe scanning device, characterized in that: It includes an immersion tank, a turning mechanism, a clamping and rotating mechanism, a scanning mechanism and an auxiliary material receiving rack; the turning mechanism is arranged above the immersion tank, the clamping and rotating mechanism is installed on the turning mechanism, and the turning mechanism can drive the clamping and rotating mechanism to turn forward or backward; the scanning mechanism is arranged on the front side of the turning mechanism, and the scanning mechanism includes an adjustable probe; the auxiliary material receiving rack is movably arranged on the rear side of the turning mechanism; the auxiliary material receiving rack includes a bracket and a support, the bracket is movably arranged on the bracket, and the moving direction of the bracket is perpendicular to the length direction of the immersion tank.

2. The non-contact pipe scanning device according to claim 1 is characterized in that: The bracket includes at least two V-shaped bracket blocks.

3. The non-contact pipe scanning device according to claim 2 is characterized in that: At least two linear guide rails are arranged on the bracket, and the linear guide rails are perpendicular to the length direction of the immersion tank, and each V-shaped support block is arranged on the corresponding linear guide rail.

4. The non-contact pipe scanning device according to claim 3 is characterized in that: The V-shaped support block includes a triangular fixed block, a triangular movable block and a locking mechanism. The triangular fixed block is fixedly installed at the end of the linear guide rail. The linear guide rail is provided with a sliding groove. The triangular movable block is arranged in the sliding groove and can slide along the sliding groove. The locking mechanism is arranged between the linear guide rail and the triangular movable block.

5. The non-contact pipe scanning device according to claim 4 is characterized in that: Guide grooves are provided on both side walls of the linear guide rail, at least two bearings are respectively installed on both sides of the triangular movable block, and the bearings are located in the guide grooves. The locking mechanism includes screws, and the screws are located in the guide grooves.

6. The non-contact pipe scanning device according to any one of claims 1 to 4, characterized in that: The clamping and rotating mechanism comprises a first clamping and rotating assembly and a second clamping and rotating assembly. The first clamping and rotating assembly is fixedly arranged at the power output end of the flipping mechanism, and the second clamping and rotating assembly is translationally arranged at the power output end of the flipping mechanism.

7. The non-contact pipe scanning device according to claim 6 is characterized in that: The first clamping and rotating assembly includes a first driving device and a first conical top, the first driving device is fixedly mounted on the power output end of the flipping mechanism, and the first conical top is mounted on the power output end of the first driving device; the second clamping and rotating assembly includes a translation driving mechanism, a driven device and a second conical top, the translation driving mechanism is arranged on the power output end of the flipping mechanism, the driven device is mounted on the power output end of the translation driving mechanism, and the second conical top is mounted on the linkage end of the driven device; the cone portion of the first conical top is opposite to the cone portion of the second conical top, and the axis of the first conical top and the axis of the cone portion of the second conical top are on the same horizontal line.

8. The non-contact pipe scanning device according to claim 7 is characterized in that: The translation drive mechanism includes a translation guide rail, a translation seat, a translation drive motor, a translation rack and a translation drive gear; the translation guide rail and the translation rack are arranged horizontally and parallel, and the translation seat can be movably installed on the translation guide rail; the translation drive gear can be rotatably installed on the translation seat, the translation drive gear is drivingly connected to the output shaft of the translation drive motor, and the translation drive gear is meshed with the translation rack.

9. The non-contact pipe scanning device according to any one of claims 1 to 4, characterized in that: The scanning mechanism includes a scanning translation adjustment mechanism, a scanning front-back adjustment mechanism, a scanning lifting adjustment mechanism, and the probe; the scanning translation adjustment mechanism is arranged on one side of the immersion tank, the scanning front-back adjustment mechanism is installed on the adjustment end of the scanning translation adjustment mechanism, the scanning lifting adjustment mechanism is installed on the adjustment end of the scanning front-back adjustment mechanism, and the probe is installed on the adjustment end of the scanning lifting adjustment mechanism.

10. The non-contact pipe scanning device according to claim 9, characterized in that: The scanning mechanism is also provided with a proximity switch, which is close to the probe.

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