CN219369655U - Welding seam inspection equipment for voltage stabilizer - Google Patents

Abstract

The application relates to a voltage stabilizer welding line inspection device, which comprises a mounting ring, an ultrasonic inspection assembly, a rotating assembly and a plurality of clamping assemblies; the mounting ring is used for being sleeved on the fluctuation pipe; the ultrasonic inspection assembly is arranged on the rotating assembly and is used for detecting welding seams on the fluctuation pipe; the rotating assembly is rotatably arranged on the mounting ring and is used for driving the ultrasonic inspection assembly to rotate around the fluctuation pipe; the clamping assemblies are arranged on the mounting ring and are matched with the mounting ring to be used for clamping the outer side wall of the fluctuation pipe. This application is with whole equipment cover in the outside of fluctuation pipe through the collar, fixes whole equipment on the fluctuation pipe through a plurality of clamping components, drives the ultrasonic inspection subassembly through rotating assembly and winds the rotation of fluctuation pipe, and then realizes the automatic ultrasonic inspection of welding seam on the fluctuation pipe. Compared with the related art, the device detects from the outside of the pipeline welding seam, avoids high radiation risk and foreign matter risk brought by detecting from the inside of the voltage stabilizer, and has high detection sensitivity.

Description

Welding seam inspection equipment for voltage stabilizer

Technical Field

The application relates to the technical field of voltage stabilizer detection, in particular to welding seam inspection equipment for a voltage stabilizer.

Background

The voltage stabilizer is used for adjusting the pressure of a primary loop system of the nuclear power station and is a primary core component of the nuclear power station. In the installation process, the fluctuation pipe on the voltage stabilizer needs to be welded with the lower seal head or other parts, and a welding seam possibly exists at a welding joint due to welding process deviation, so that the welding seam is required to be checked regularly according to the requirements of relevant inspection specifications of the nuclear power station, the sealing state of the welding seam is ensured, and leakage is prevented.

In the related art, a radiation irradiation method is often adopted, and a Co60 radioactive source enters the interior of the voltage stabilizer to further detect a welding line. However, this method has high radiation risk, and at the same time, foreign matter is easily introduced into a loop system, which may cause nuclear safety problems. In addition, the method has low inspection sensitivity, so that potential safety hazards exist in the voltage stabilizer.

Disclosure of Invention

Based on this, this application provides a stabiliser welding seam check out test set to solve the radiation risk that the correlation technique exists high, easily introduce foreign matter, the low problem of inspection sensitivity.

The embodiment of the application provides a welding seam inspection device of a voltage stabilizer, which is applied to a fluctuation pipe of the voltage stabilizer, and comprises a mounting ring, an ultrasonic inspection assembly, a rotating assembly and a plurality of clamping assemblies; the mounting ring is used for being sleeved on the fluctuation pipe; the ultrasonic inspection assembly is arranged on the rotating assembly and is used for detecting welding seams on the fluctuation pipe; the rotating assembly is rotatably arranged on the mounting ring and is used for driving the ultrasonic inspection assembly to rotate around the fluctuation pipe; the clamping assemblies are arranged on the mounting ring and are matched with the mounting ring to clamp the outer side wall of the fluctuation pipe.

In some of these embodiments, the rotating assembly includes a rotating ring and a first drive assembly; the rotary ring is rotatably arranged on the mounting ring, and the ultrasonic inspection assembly is arranged on the rotary ring; the first driving component is connected with the rotating ring and used for driving the rotating ring to rotate.

In some of these embodiments, the first drive assembly includes an inner gear, an outer gear, and a first drive motor; the inner gear is arranged on the rotating ring; the external gear is meshed with the internal gear; the first driving motor is installed on the mounting ring, and is connected with the external gear and used for driving the external gear to rotate.

In some embodiments, the voltage stabilizer welding seam inspection device further comprises a plurality of first limiting mechanisms and a plurality of second limiting mechanisms which are annularly arranged on the mounting ring; each first limiting mechanism and each second limiting mechanism are matched to limit the rotating ring; each first limiting mechanism is provided with a first annular groove, each second limiting mechanism is provided with a second annular groove, each first annular groove is abutted against the outer side wall of the rotary ring, and each second annular groove is abutted against the inner side wall of the rotary ring.

In some of these embodiments, the stabilizer weld inspection apparatus further comprises a plurality of guide assemblies mounted on the mounting ring, the plurality of guide assemblies cooperating to guide the ultrasonic inspection assembly to slide on the outer sidewall of the fluctuation tube.

In some embodiments, the guide assembly comprises a guide wheel rolling on the outer side wall of the fluctuation pipe and support assemblies respectively connected with the guide wheel, and the support assemblies are all installed on the mounting ring.

In some embodiments, the support assembly includes a fixed block, a movable bar, a stop, and an elastic adjustment assembly; the fixing block is arranged on one side of the mounting ring, which is away from the ultrasonic inspection assembly, a cavity is formed in the fixing block, and a limiting hole is formed in one side of the fixing block, which is away from the mounting ring; one end of the movable rod is connected with the guide wheel, the other end of the movable rod extends into the cavity, and a through hole is formed in one end of the movable rod, which is positioned in the cavity; the limiting piece is arranged through the through hole and the limiting hole; the elastic adjusting component is arranged on one side, far away from the guide wheel, of the fixed block, and is used for pushing the movable rod to move towards the direction of the fluctuation pipe, so that the guide wheel abuts against the fluctuation pipe, and the limiting piece moves in the limiting hole.

In some embodiments, a threaded hole is formed in one end, far away from the movable rod, of the fixed block, and the elastic adjusting assembly comprises an elastic piece, an adjusting nut and an adjusting screw rod; the elastic piece is arranged in the cavity, and one end of the elastic piece is abutted against the movable rod; the adjusting nut is fixed on one side of the fixed block, which is far away from the movable rod, and the adjusting nut is correspondingly arranged with the threaded hole; the adjusting screw rod sequentially penetrates through the adjusting nut and the threaded hole to be in butt joint with the other end of the elastic piece.

In some embodiments, the ultrasonic inspection assembly includes an ultrasonic probe module and a probe motion platform for driving the ultrasonic probe module toward or away from a weld on the fluctuation tube, the ultrasonic probe module being mounted on the probe motion platform, the probe motion platform being mounted on the rotation assembly.

In some embodiments, the probe motion platform comprises a mounting frame, a movable plate, and a second drive assembly; the mounting frame is arranged on the rotating assembly; the movable plate is movably arranged on the mounting frame, and the ultrasonic probe module is fixed on the movable plate; the second driving component is used for driving the movable plate to move so as to drive the ultrasonic probe module to be close to or far away from the welding seam of the fluctuation pipe.

Above-mentioned stabiliser welding seam check out test set, through the collar with whole equipment cover in the outside of stabiliser oscillating tube, drive whole equipment along stabiliser oscillating tube motion until reaching the position of waiting to inspect, a plurality of clamping assembly clamp is at the lateral wall of stabiliser oscillating tube to fix whole equipment on the stabiliser oscillating tube, control rotating assembly is rotated around the collar, thereby drive the ultrasonic inspection subassembly and rotate around stabiliser oscillating tube, carry out ultrasonic inspection to the welding seam of position department of waiting to inspect, and then realize the automatic ultrasonic inspection of welding seam on the stabiliser. Compared with the related art, the device detects from the outside of the pipeline welding seam, and avoids high radiation risks and foreign matter risks brought by detecting from the inside of the voltage stabilizer.

In addition, because the equipment detects pipeline welding seams from the outside through the ultrasonic inspection assembly, the cleaning field is not required for workers, so that welding seam inspection operation and other operations are performed simultaneously, the maintenance efficiency is improved, the operation time is reduced, and the economic benefit is improved.

In addition, compared with the ray irradiation method in the related art, the welding seam is inspected by the ultrasonic inspection assembly, the detection sensitivity is high, the safety of the voltage stabilizer can be further improved, and the safety of the primary loop equipment is further improved.

Drawings

FIG. 1 is a schematic diagram of a regulator weld inspection apparatus in accordance with some embodiments of the present application at a first viewing angle;

FIG. 2 is a schematic diagram of a regulator weld inspection apparatus in accordance with some embodiments of the present application at a second perspective;

FIG. 3 is a schematic diagram of a regulator weld inspection apparatus according to some embodiments of the present application at a third perspective;

FIG. 4 is a partial structural schematic diagram of a rotating assembly in some embodiments of the present application;

FIG. 5 is a schematic structural view of a guide assembly in some embodiments of the present application;

FIG. 6 is a cross-sectional view of a guide assembly in some embodiments of the present application;

FIG. 7 is a schematic structural view of an ultrasonic inspection assembly in some embodiments of the present application;

FIG. 8 is a top view of an ultrasonic inspection assembly in some embodiments of the present application;

FIG. 9 is a schematic structural view of an ultrasound probe assembly in some embodiments of the present application;

fig. 10 is a schematic diagram of a structure of a weld inspection apparatus for a voltage regulator in some embodiments of the present application for performing weld inspection on a surge tube of the voltage regulator.

Reference numerals illustrate:

10. a voltage stabilizer weld inspection apparatus; 20. a voltage stabilizer; 30. a surge tube; 40. welding seams;

110. a mounting ring;

120. an ultrasonic inspection assembly; 121. a probe motion platform; 122. an ultrasonic probe module;

130. a rotating assembly; 131. a rotating ring; 132. a first drive assembly; 133. a first limiting mechanism; 134. a second limiting mechanism;

140. a clamping assembly; 141. a telescoping mechanism; 142. a clamping block;

150. a guide assembly; 151. a guide wheel; 152. a support assembly;

160. a control assembly;

170. a connection assembly; 171. a first connection block 172, a second connection block; 173. a third connecting block; 174. a fourth connecting block; 175. an elbow clamp;

1101. a semicircular ring; 1102. a first splice, 1103, a second splice;

1211. a mounting frame; 1212. a movable plate; 1213. a second drive assembly; 1213-1, a rack and pinion assembly; 1213-1a, a second gear; 1213-1b, a second rack; 1213-2, a second drive motor; 1213-3, a transmission assembly;

1221. a fixing frame; 1222. a connecting plate; 1223. a constant force spring; 1224. an ultrasonic probe body;

1321. an internal gear; 1322. an external gear; 1323. a first driving motor; 1331. a first ring groove; 1341. a second ring groove;

1521. a fixed block; 1521a, a cavity; 1521b, a limiting hole; 1521c, threaded holes; 1522. a movable rod; 1522a, a via; 1523. a limiting piece; 1524. an elastic adjustment assembly; 1521-1, a main body portion; 1521-2, cover plate; 1521-3, open; 1521-4, and perforating; 1524-1, an elastic member; 1524-2, adjusting the nut; 1524-3, adjusting the screw;

s, a first direction; x, second direction; y, third direction.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 10, fig. 1 is a schematic structural view of a welding seam inspection apparatus for a voltage regulator in some embodiments of the present application at a first view angle, and fig. 10 is a schematic structural view of the welding seam inspection apparatus for a voltage regulator in some embodiments of the present application for performing welding seam inspection on a surge tube of the voltage regulator; the embodiment of the application provides a voltage stabilizer welding line checking device 10, which is applied to a fluctuation pipe 30 of a voltage stabilizer 20, wherein the voltage stabilizer welding line checking device 10 comprises a mounting ring 110, an ultrasonic checking assembly 120, a rotating assembly 130 and a plurality of clamping assemblies 140; the mounting ring 110 is used for sleeving the fluctuation pipe 30; the ultrasonic inspection assembly 120 is disposed on the rotating assembly 130, the ultrasonic inspection assembly 120 being configured to detect the weld 40 on the fluctuation tube 30; the rotating assembly 130 is rotatably mounted on the mounting ring 110, and the rotating assembly 130 is used for driving the ultrasonic inspection assembly 120 to rotate around the surge tube 30; a plurality of clamp assemblies 140 are provided on the mounting ring 110, the plurality of clamp assemblies 140 being engaged for clamping against the outer sidewall of the surge tube 30.

It is understood that the apparatus of the present application may inspect the weld 40 on the surge tube 30 of the stabilizer 20, and that the weld 40 may be arcuate welds 40 spaced circumferentially about the surge tube 30 or may be circular welds 40 spaced circumferentially about the surge tube 30.

Welds 40 on the surge tube 30 include welds where the surge tube 30 joins the regulator 20, and welds where the surge tube 30 joins other components.

The voltage stabilizer weld inspection device 10 provided by the embodiment of the application can be used on the fluctuation tube 30 of the voltage stabilizer 20. The voltage stabilizer weld inspection device 10 comprises a mounting ring 110, an ultrasonic inspection assembly 120, a rotating assembly 130 and a plurality of clamping assemblies 140, wherein the mounting ring 110 is used for being sleeved on the fluctuation pipe 30, the ultrasonic inspection assembly 120 is arranged on the rotating assembly 130, and the ultrasonic inspection assembly 120 is used for detecting a weld 40 on the fluctuation pipe 30; the rotating assembly 130 is rotatably mounted on the mounting ring 110, and the rotating assembly 130 is used for driving the ultrasonic inspection assembly 120 to rotate around the surge tube 30; a plurality of clamp assemblies 140 are provided on the mounting ring 110, the plurality of clamp assemblies 140 being adapted to clamp against the outer sidewall of the surge tube 30. Thus, when inspecting the welded seam 40 on the fluctuation tube 30 of the voltage stabilizer 20, the whole equipment is sleeved outside the fluctuation tube 30 of the voltage stabilizer 20 through the mounting ring 110, the whole equipment is driven to move along the fluctuation tube 30 of the voltage stabilizer 20 until reaching the position to be inspected, the plurality of clamping assemblies 140 are clamped outside the fluctuation tube 30 of the voltage stabilizer 20, the whole equipment is fixed on the fluctuation tube 30 of the voltage stabilizer 20, the rotating assembly 130 is controlled to rotate around the mounting ring 110, the ultrasonic inspection assembly 120 is driven to rotate around the fluctuation tube 30 of the voltage stabilizer 20, ultrasonic inspection is carried out on the welded seam 40 at the position to be inspected, and automatic ultrasonic inspection of the welded seam 40 on the fluctuation tube 30 of the voltage stabilizer 20 is further realized. Compared with the related art, the device detects from the outside of the pipe weld 40, and avoids the high radiation risk and foreign matter risk caused by the detection from the inside of the voltage stabilizer 20.

In addition, the device detects the pipeline welding seam 40 from the outside through the ultrasonic inspection assembly 120, so that a cleaning field is not required for workers, welding seam inspection operation and other operations are performed simultaneously, maintenance efficiency is improved, operation time is shortened, and economic benefit is improved.

In addition, compared with the radiation irradiation method in the related art, the ultrasonic inspection assembly 120 is adopted to inspect the weld seam, so that the detection sensitivity is high, the safety of the voltage stabilizer 20 can be further improved, and the safety of the primary loop equipment is further improved.

As shown in connection with fig. 3, in some embodiments, the rotating assembly 130 includes a rotating ring 131 and a first drive assembly 132; the rotary ring 131 is rotatably mounted on the mounting ring 110, and the ultrasonic inspection assembly 120 is mounted on the rotary ring 131; the first driving assembly 132 is connected to the rotating ring 131, and the first driving assembly 132 is used for driving the rotating ring 131 to rotate. The first driving component 132 drives the rotating ring 131 to rotate relative to the mounting ring 110, so as to drive the ultrasonic inspection component 120 to rotate, thereby realizing circumferential inspection of the welding line 40 on the fluctuation tube 30 of the voltage stabilizer 20.

As shown in connection with fig. 3, in some embodiments, the first drive assembly 132 includes an inner gear 1321, an outer gear 1322, and a first drive motor 1323; an internal gear 1321 is provided on the rotary ring 131; the external gear 1322 meshes with the internal gear 1321; the first driving motor 1323 is mounted on the mounting ring 110, and the first driving motor 1323 is connected to the external gear 1322 and serves to drive the external gear 1322 to rotate. In this way, when the welding line 40 is inspected, the first driving motor 1323 is started, the first driving motor 1323 drives the external gear 1322 to rotate, the external gear 1322 drives the internal gear 1321 to rotate, and then the rotating ring 131 is driven to rotate relative to the mounting ring 110, so that the automatic rotation of the ultrasonic inspection assembly 120 is realized, the automatic ultrasonic inspection of the welding line 40 is realized, the operation time can be shortened, and the inspection efficiency is improved.

As shown in conjunction with fig. 3 and 4, in some embodiments, the stabilizer weld inspection apparatus 10 further includes a plurality of first stop mechanisms 133 and a plurality of second stop mechanisms 134 disposed around the mounting ring 110; each first limiting mechanism 133 and each second limiting mechanism 134 are matched to limit the rotating ring 131; each first limiting mechanism 133 is provided with a first annular groove 1331, each second limiting mechanism 134 is provided with a second annular groove 1341, each first annular groove 1331 abuts against the outer side wall of the rotary ring 131, and each second annular groove 1341 abuts against the inner side wall of the rotary ring 131. The first annular groove 1331 of each first limiting mechanism 133 and the second annular groove 1341 of each second limiting mechanism 134 together define an annular guide rail, each first annular groove 1331 abuts against the outer side wall of the rotary ring 131, and each second annular groove 1341 abuts against the inner side wall of the rotary ring 131, so that the rotary ring 131 rotates along the annular guide rail, stability of the rotary ring 131 when rotating relative to the mounting ring 110 can be improved, and accuracy of the ultrasonic inspection assembly 120 when inspecting the weld 40 can be improved.

As shown in fig. 3 and 4, in some embodiments, the first limiting mechanisms 133 and the second limiting mechanisms 134 are disposed on the mounting ring 110 at intervals along a first direction S, where the first direction S may be a circumferential direction of the mounting ring 110; the first limiting mechanism 133 and the second limiting mechanism 134 are spaced apart in a second direction X, which may be parallel to the radial direction of the mounting ring 110; the first limiting mechanism 133 and the second limiting mechanism 134 may be rollers, and the rollers have ring grooves thereon. Thus, not only concentricity of the rotary ring 131 and the mounting ring 110 can be ensured, but also stability of the rotary ring 131 during rotation can be improved, so that accuracy of the ultrasonic inspection assembly 120 in inspecting the weld 40 can be improved. In addition, the roller with the ring grooves has wide sources and low cost, thereby reducing the manufacturing cost of the whole equipment.

Referring to FIG. 2, FIG. 2 illustrates a schematic diagram of a regulator weld inspection apparatus 10 in accordance with some embodiments of the present application at a second viewing angle; in some embodiments, the stabilizer weld inspection apparatus 10 further includes a plurality of guide assemblies 150, the plurality of guide assemblies 150 mounted to the mounting ring 110, the plurality of guide assemblies 150 cooperating to guide the movement of the ultrasonic inspection assembly 120 on the outer sidewall of the fluctuation tube 30. In this way, the whole equipment can be guided to move along the fluctuation tube 30 of the voltage stabilizer 20 through the plurality of guide assemblies 150, so that the ultrasonic inspection assembly 120 is guided to move on the outer side wall of the fluctuation tube 30, and further the large-angle inclination of the whole equipment can be prevented in the moving process, so that the collision between the ultrasonic inspection assembly 120, the rotating assembly 130 and the like and the side wall of the fluctuation tube 30 can be avoided, the stability of the whole equipment in moving along the outer side wall of the fluctuation tube 30 can be improved, and the safety of the equipment can be protected.

In some embodiments, a plurality of guide assemblies 150 are spaced apart along the first direction S, the plurality of guide assemblies 150 cooperating to guide the movement of the ultrasonic inspection assembly 120 on the outer sidewall of the surge tube 30 along a third direction Y, which may be parallel to the axial direction of the mounting ring 110. In this manner, the plurality of guide assemblies 150 may provide a guiding effect at different orientations of the circumferential direction of the surge tube 30 such that the ultrasonic inspection assembly 120 moves in the third direction Y on the outer sidewall of the surge tube 30, which may improve stability of the entire apparatus as it moves along the outer sidewall of the surge tube 30.

In some embodiments, the guide assembly 150 includes a guide wheel 151 that rolls on the outer sidewall of the surge tube 30 and a support assembly 152 that is coupled to the guide wheel 151, the support assemblies 152 each being mounted to the mounting ring 110. In this way, when the plurality of guide assemblies 150 guide the entire apparatus to move on the outer side wall of the surge tube 30 of the voltage stabilizer 20, and the ultrasonic inspection assembly 120 is driven to move on the outer side wall of the surge tube 30, the guide wheels 151 of the plurality of guide assemblies 150 roll along the outer side wall of the surge tube 30, so that the friction between the guide assemblies 150 and the outer side wall of the surge tube 30 is reduced, and the influence of the guide assemblies 150 on the surge tube 30 can be reduced while the guide assemblies 150 play a guiding role.

Referring to fig. 5 and 6, fig. 5 illustrates a schematic structural view of a guide 150 in some embodiments of the present application, and fig. 6 illustrates a cross-sectional view of a guide assembly 150 in some embodiments of the present application; in some embodiments, the support assembly 152 includes a fixed block 1521, a movable rod 1522, a stop 1523, and a spring adjustment assembly 1524; the fixed block 1521 is mounted on the side of the mounting ring 110 away from the ultrasonic inspection assembly 120, the inside of the fixed block 1521 is provided with a cavity 1521a, and the side of the fixed block 1521 away from the mounting ring 110 is provided with a limit hole 1521b; one end of the movable rod 1522 is connected with the guide wheel 151, the other end of the movable rod 1522 extends into the cavity 1521a, and a through hole 1522a is formed in one end of the movable rod 1522 located in the cavity 1521 a; the limiting piece 1523 is penetrated through the through hole 1522a and the limiting hole 1521b; the elastic adjusting component 1524 is disposed on a side of the fixed block 1521 away from the guide wheel 151, where the elastic adjusting component 1524 is configured to push the movable rod 1522 to move toward the surge tube 30, so that the guide wheel 151 abuts against the surge tube 30 and the limiting member 1523 moves in the limiting hole 1521 b. In this way, the movable rod 1522 can move in a telescopic manner within a certain range relative to the fixed block 1521, so that the guide wheel 151 can smoothly pass through even if encountering uneven wall surface, thereby ensuring the stability of rolling and walking of the guide wheel 151 on the outer side wall of the fluctuation tube 30 of the voltage stabilizer 20 and ensuring the stable guiding function of the guide assembly 150. In addition, when the whole device is offset from the center of the surge tube 30 of the voltage regulator 20, the position of the movable rod 1522 relative to the fixed block 1521 can be adjusted by the elastic adjusting component 1524, so as to ensure the centering of the whole device and the surge tube 30 of the voltage regulator 20.

Specifically, the limiting member 1523 may be a limiting pin, and the limiting pin passes through the limiting hole 1521b to be connected with the through hole 1522a on the movable rod 1522, and the limiting hole 1521b may be a waist-shaped hole extending along the axial direction of the movable rod 1522. As such, the movable rod 1522 is telescopically movable relative to the fixed block 1521 over the length of the kidney-shaped aperture.

Further, the guide wheel 151 is rotatably connected to one end of the movable rod 1522, so, when the guide assembly 150 guides the whole apparatus to move along the outer sidewall of the surge tube 30 of the voltage stabilizer 20, and drives the ultrasonic inspection assembly 120 to move on the outer sidewall of the surge tube 30, the guide wheel 151 can roll along the outer sidewall of the surge tube 30, thereby reducing the friction between the guide assembly 150 and the outer sidewall of the surge tube 30 and reducing the influence of the guide assembly 150 on the surge tube 30.

Referring to fig. 6, fig. 6 illustrates a cross-sectional view of a guide assembly 150 in some embodiments of the present application; in some embodiments, the end of the fixed block 1521 remote from the movable bar 1522 is provided with a threaded bore 1521c, and the elastic adjustment assembly 1524 comprises an elastic member 1524-1, an adjustment nut 1524-2, and an adjustment screw 1524-3; the elastic element 1524-1 is disposed in the cavity 1521a, and one end of the elastic element 1524-1 abuts against the movable rod 1522; the adjusting nut 1524-2 is fixed on one side of the fixed block 1521 away from the movable rod 1522, the adjusting nut 1524-2 being disposed in correspondence with the threaded hole 1521 c; the adjusting screw 1524-3 is sequentially inserted through the adjusting nut 1524-2 and the threaded hole 1521c and abuts against the other end of the elastic member 1524-1. In this way, the adjusting screw 1524-3 can drive the movable rod 1522 to move toward the direction of the surge tube 30, so that the guide wheel 151 abuts against the surge tube 30, in this process, the limiting member 1523 moves in the limiting hole 1521b, so as to limit the range of travel of the movable rod 1522 relative to the fixed block 1521, and in addition, the adjusting screw 1524-3 can be screwed to compress or loosen the elastic member 1524-1, so that the position of the movable rod 1522 relative to the fixed block 1521 can be conveniently adjusted, and the centering of the whole device and the voltage stabilizer 20 can be ensured. In addition, under the elastic action of the elastic element 1524-1, the movable rod 1522 can adaptively perform telescopic motion relative to the fixed block 1521, so as to ensure the stability of the rolling running of the guide wheel 151 on the outer sidewall of the fluctuation tube 30 of the voltage regulator 20, and ensure the stable guiding action of the guide assembly 150.

Specifically, the elastic member 1524-1 may be a spring or a silicone member with better elastic potential energy. Other components having better elasticity may be used for the elastic member 1524-1, which is not particularly limited in this application.

Referring to fig. 6, in some embodiments, the fixed block 1521 includes a main body portion 1521-1 and a cover plate 1521-2, a cavity 1521a is formed in the main body portion 1521-1, one side of the main body portion 1521-1 is open 1521-3, the cover plate 1521-2 covers the open portion 1521-3 of the main body portion 1521-1, a threaded hole 1521c is formed in the cover plate 1521-2 and cooperates with the adjusting screw 1524-3, and an opening 1521-4 is formed in a side wall of the main body portion 1521-1 opposite to the cover plate 1521-2 for the movable rod 1522 to pass through. In this manner, assembly of the guide assembly 150 may be facilitated.

As shown in connection with fig. 1 and 2, in some embodiments, a plurality of clamp assemblies 140 are spaced apart along the first direction S on the mounting ring 110. In this way, the plurality of clamping assemblies 140 are spaced apart in the circumferential direction of the surge tube 30, and the plurality of clamping assemblies 140 are clamped on the outside of the surge tube 30 in different orientations to ensure that the entire apparatus is stably fixed on the surge tube 30.

As shown in connection with fig. 1 and 2, in some embodiments, the clamping assembly 140 includes a telescoping mechanism 141 and a clamping block 142; the telescopic mechanism 141 is mounted on the mounting ring 110, and the telescopic end of the telescopic mechanism 141 faces the center of the mounting ring 110; the clamping block 142 is connected to the telescopic end of the telescopic mechanism 141, and the end surface of the clamping block 142 away from the telescopic end is arc-shaped. The clamping block 142 is driven to clamp or separate from the surge tube 30 of the voltage stabilizer 20 by the telescopic movement of the telescopic mechanism 141, so that the whole device can be conveniently fixed or separated from the surge tube 30 of the voltage stabilizer 20. In addition, the end face of the clamping block 142 far away from the telescopic end is arc-shaped, and the arc-shaped end face can be matched with the outer side wall of the surge tube 30 of the voltage stabilizer 20, so that the contact area between the clamping block 142 and the surge tube 30 of the voltage stabilizer 20 is increased, the clamping stability of the clamping block 142 and the surge tube 30 is improved, and the whole device is stably fixed on the surge tube 30 of the voltage stabilizer 20.

In some embodiments, the gripping block 142 may be formed of a non-slip material, and the end of the gripping block 142 remote from the telescoping end may be provided with a non-slip structure (not shown), such as a cleat, a non-slip mesh, or the like. Thereby ensuring that the clamping block 142 is stably clamped to the outer side wall of the surge tube 30 of the voltage regulator 20, and further stably fixing the entire apparatus to the surge tube 30 of the voltage regulator 20.

In some embodiments, as shown in connection with fig. 1, the stabilizer weld inspection apparatus 10 further includes a control assembly 160, the control assembly 160 being coupled to the telescoping mechanisms 141 of all the clamping assemblies 140, the control assembly 160 being configured to control all the telescoping mechanisms 141 to perform telescoping movements in synchronization. Thereby facilitating the control of the clamping blocks 142 of all clamping assemblies 140 to simultaneously clamp or move away from the outside of the surge tube 30 of the regulator 20, thereby facilitating the securement of the entire apparatus to the surge tube 30 of the regulator 20.

Specifically, the telescopic mechanism 141 may be an air cylinder, and the control unit 160 may be a control valve, however, the telescopic mechanism 141 is not limited to the air cylinder, and other structures may be adopted, and the control unit 160 is not limited to the control valve, and may be other structures, and may be selected according to practical situations.

Referring to fig. 1, 7, and 9, in some embodiments, the ultrasonic inspection assembly includes an ultrasonic probe module 122 and a probe motion platform 121, the ultrasonic probe module 122 is mounted on the probe motion platform 121, the probe motion platform 121 is mounted on the rotating assembly 130, and the probe motion platform 121 is configured to drive the ultrasonic probe module 122 toward or away from the weld 40 on the fluctuation tube 30. In this way, the position of the ultrasonic probe module 122 can be conveniently adjusted, so that the ultrasonic probe module 122 can be aligned to the welding line 40 for inspection, the inspection accuracy is improved, and the safety of the voltage stabilizer 20 is further improved.

In some embodiments, as shown in connection with fig. 7 and 8, the probe motion platform 121 includes a mounting bracket 1211, a movable plate 1212, and a second drive assembly 1213; the mounting frame 1211 is disposed on the rotating assembly 130; the movable plate 1212 is movably mounted on the mounting frame 1211, and the ultrasonic probe module 122 is fixed on the movable plate 1212; a second drive assembly 1213 is disposed on the mounting frame 1211, the second drive assembly 1213 being coupled to the movable plate 1212 and configured to drive the movable plate 1212 to move the ultrasound probe module 122 toward or away from the weld 40 of the fluctuation tube 30.

Specifically, the mounting frame 1211 is obliquely disposed on the rotation assembly 130; the movable plate 1212 is slidably connected to the mounting frame 1211, the sliding direction of the movable plate 1212 on the mounting frame 1211 has components in the second direction X and the third direction Y, and the ultrasonic probe module 122 is fixed to the movable plate 1212; a second driving assembly 1213 is provided on the mounting frame 1211, and the second driving assembly 1213 is connected to the movable plate 1212 and serves to drive the movable plate 1212 to move along the mounting frame 1211. In this way, when the second driving assembly 1213 drives the movable plate 1212 to move along the mounting frame 1211, the positions of the ultrasonic probe module 122 in the second direction X and the third direction Y can be simultaneously realized, so that the rapid adjustment of the position of the ultrasonic probe module 122 is realized, and the inspection efficiency is further improved.

As shown in connection with fig. 8, in some embodiments, the second drive assembly 1213 includes a rack and pinion assembly 1213-1 and a second drive motor 1213-2; the rack and pinion assembly 1213-1 includes a second gear 1213-1a and a second rack 1213-1b that intermesh; the second rack 1213-1b is fixed to the movable plate 1212; the second gear 1213-1a is in driving connection with the second drive motor 1213-2; the second driving motor 1213-2 is fixed to the mounting frame 1211. The second driving motor 1213-2 drives the second gear 1213-1a to rotate, and the second gear 1213-1a drives the second rack 1213-1b to move, so that the movable plate 1212 is driven to move relative to the mounting frame 1211, and automatic control of the movement of the movable plate 1212 can be realized, thereby improving automation of equipment and improving detection efficiency.

In some embodiments, as shown in connection with FIG. 8, the second drive assembly 1213 further includes a transmission assembly 1213-3, the transmission assembly 1213-3 being disposed on the mounting frame 1211, the output of the second drive motor 1213-2 being coupled to the second gear 1213-1a via the transmission assembly 1213-3, the transmission assembly 1213-3 being a sprocket transmission assembly 1213-3 or a pulley transmission assembly 1213-3. Thereby facilitating the rotation of the second gear 1213-1a by the second driving motor 1213-2.

As shown in connection with fig. 9, in some embodiments, the ultrasound probe module 122 includes a mount 1221, a connection plate 1222, a constant force spring 1223, and an ultrasound probe body 1224, the mount 1221 being secured to the probe motion platform 121; the connecting plate 1222 is connected to the fixing frame 1221 in a sliding manner along the axial direction of the mounting ring 110; a constant force spring 1223 is mounted on the connection plate 1222, and the end of the constant force spring 1223 is connected with the fixing frame 1221; the ultrasound probe body 1224 is mounted on the connection plate 1222. In this way, when the ultrasonic probe module 122 moves along the circumference of the surge tube 30 of the voltage regulator 20 to inspect the weld 40, the constant force spring 1223 can make the ultrasonic probe body 1224 always press against the surface of the weld 40 on the surge tube, thereby improving the inspection accuracy.

As shown in connection with fig. 1 and 2, in some embodiments, the mounting ring 110, the rotating ring 131, and the internal gear 1321 are all annular and each formed by splicing two semicircular rings 1101, and the two semicircular rings 1101 of the mounting ring 110 and the internal gear 1321 are all connected together by the connection assembly 170. Therefore, the whole equipment can be conveniently disassembled and assembled on the voltage stabilizer 20, the equipment disassembling and assembling time is shortened, the operation time is shortened, and the inspection efficiency is improved.

As shown in connection with fig. 2, in some embodiments, there is a first splice and a second splice between the two semicircular rings 1101; the connection assembly 170 includes a first connection block, a second connection block, a third connection block 173, a fourth connection block 174, and an elbow clamp 175; the first connecting blocks and the second connecting blocks are distributed on two sides of the first splicing part, are respectively connected to the two semicircular rings 1101, and are mutually hinged; the third connecting block 173 and the fourth connecting block 174 are distributed on two sides of the second splicing position, and the third connecting block 173 and the fourth connecting block 174 are respectively connected to the two semicircular rings 1101; toggle clamp 175 is disposed on third connector block 173 and fourth connector block 174. In this way, by opening or closing the toggle clamp 175, the locking and opening of the two semicircular rings 1101 of the mounting ring 110 and the internal gear 1321 can be facilitated, and the two semicircular rings 1101 of the mounting ring 110 and the internal gear 1321 rotate around the hinge of the first connecting block and the second connecting block, so that the whole device can be conveniently sleeved on the fluctuation tube 30 of the voltage stabilizer 20 or detached from the fluctuation tube 30 of the voltage stabilizer 20, the device dismounting time is reduced, the operation time is shortened, and the inspection efficiency is improved.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A stabilizer weld inspection apparatus (10) applied to a surge tube (30) of a stabilizer (20), characterized by comprising:

a mounting ring (110) for sleeving the surge tube (30);

an ultrasonic inspection assembly (120) for detecting a weld (40) on the surge tube (30);

the rotating assembly (130) is rotatably mounted on the mounting ring (110), the ultrasonic inspection assembly (120) is mounted on the rotating assembly (130), and the rotating assembly (130) is used for driving the ultrasonic inspection assembly (120) to rotate around the fluctuation pipe (30);

and the clamping assemblies (140) are arranged on the mounting ring (110), and the clamping assemblies (140) are matched to clamp the outer side wall of the fluctuation pipe (30).

2. The voltage regulator weld inspection apparatus (10) of claim 1, wherein the rotating assembly (130) comprises:

a rotating ring (131) rotatably mounted on the mounting ring (110), the ultrasonic inspection assembly (120) being mounted on the rotating ring (131);

and the first driving assembly (132) is connected with the rotating ring (131) and is used for driving the rotating ring (131) to rotate.

3. The voltage regulator weld inspection apparatus (10) of claim 2, wherein the first drive assembly (132) comprises:

an internal gear (1321) provided on the rotating ring (131);

an external gear (1322) meshed with the internal gear (1321);

and a first driving motor (1323) mounted on the mounting ring (110), the first driving motor (1323) being connected with the external gear (1322) and being used for driving the external gear (1322) to rotate.

4. The voltage regulator weld inspection apparatus according to claim 3, wherein the voltage regulator weld inspection apparatus (10) further comprises a plurality of first limiting mechanisms (133) and a plurality of second limiting mechanisms (134) disposed around the mounting ring, each of the first limiting mechanisms (133) and each of the second limiting mechanisms (134) being configured to limit the rotating ring (131);

each first limiting mechanism (133) is provided with a first annular groove (1331), each second limiting mechanism (134) is provided with a second annular groove (1341), each first annular groove (1331) is abutted against the outer side wall of the rotary ring (131), and each second annular groove (1341) is abutted against the inner side wall of the rotary ring (131).

5. The voltage regulator weld inspection apparatus (10) of claim 1, further comprising a plurality of guide assemblies (150) mounted on the mounting ring (110), the plurality of guide assemblies (150) cooperating to guide movement of the ultrasonic inspection assembly (120) on the outer sidewall of the fluctuation tube (30).

6. The voltage regulator weld inspection apparatus (10) of claim 5, wherein the guide assembly (150) includes a guide wheel (151) rolling on an outer sidewall of the fluctuation tube (30) and support assemblies (152) respectively connected to the guide wheel (151), the support assemblies (152) being mounted on the mounting ring (110).

7. The voltage regulator weld inspection apparatus (10) of claim 6, wherein the support assembly (152) comprises:

the fixing block (1521) is arranged on one side, away from the ultrasonic inspection assembly (120), of the mounting ring (110), a cavity (1521 a) is formed in the fixing block (1521), and a limit hole (1521 b) is formed in one side, away from the mounting ring (110), of the fixing block (1521);

the movable rod (1522), one end of the movable rod (1522) is connected with the guide wheel (151), the other end of the movable rod (1522) stretches into the cavity (1521 a), and a through hole (1522 a) is formed in one end of the movable rod (1522) located in the cavity (1521 a);

the limiting piece (1523), the limiting piece (1523) is arranged through the through hole (1522 a) and the limiting hole (1521 b);

the elastic adjusting component (1524) is arranged on one side, away from the guide wheel (151), of the fixed block (1521), and the elastic adjusting component (1524) is used for pushing the movable rod (1522) to move towards the direction of the fluctuation pipe (30), so that the guide wheel (151) abuts against the fluctuation pipe (30), and the limiting piece (1523) moves in the limiting hole (1521 b).

8. The voltage regulator weld inspection apparatus (10) of claim 7, wherein an end of the fixed block (1521) remote from the movable bar (1522) is provided with a threaded bore (1521 c), the elastic adjustment assembly (1524) comprising:

an elastic piece (1524-1) disposed in the cavity (1521 a), wherein one end of the elastic piece (1524-1) abuts against the movable rod (1522);

an adjusting nut (1524-2) fixed on one side of the fixed block (1521) away from the movable rod (1522), the adjusting nut (1524-2) being disposed in correspondence with the threaded hole (1521 c);

the adjusting screw rod (1524-3), the adjusting screw rod (1524-3) is sequentially arranged through the adjusting nut (1524-2) and the threaded hole (1521 c) to be abutted with the other end of the elastic member (1524-1).

9. The pressure stabilizer weld inspection apparatus (10) of any one of claims 1 to 8, wherein the ultrasonic inspection assembly includes an ultrasonic probe module (122) and a probe motion platform (121) for driving the ultrasonic probe module (122) toward or away from a weld (40) on the fluctuation tube (30), the ultrasonic probe module (122) being mounted on the probe motion platform (121), the probe motion platform (121) being mounted on the rotation assembly (130).

10. The voltage regulator weld inspection apparatus (10) of claim 9, wherein the probe motion platform (121) comprises:

a mounting bracket (1211) disposed on the rotating assembly (130);

a movable plate (1212) movably mounted on the mounting frame (1211), the ultrasonic probe module (122) being fixed on the movable plate (1212);

and a second driving assembly (1213) for driving the movable plate (1212) to move so as to drive the ultrasonic probe module (122) to approach or depart from the welding seam (40) of the fluctuation pipe (30).