CN211505341U

CN211505341U - Nondestructive testing device for seal head of pressure vessel

Info

Publication number: CN211505341U
Application number: CN202020182753.XU
Authority: CN
Inventors: 李海波; 程干权
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-09-15
Anticipated expiration: 2030-02-19

Abstract

The utility model discloses a pressure vessel head nondestructive test device, including the nondestructive test equipment body, the nondestructive test equipment body includes the mount pad and sets up two ultrasonic probe in the mount pad top, has seted up the installation cavity on the mount pad, and fixed mounting has the gearbox on the bottom inner wall of installation cavity, and the output shaft of gearbox extends to the top of mount pad and fixed mounting has the piezoceramics oscillator, and the top fixed mounting of piezoceramics oscillator has the U-shaped tray, the top both ends of U-shaped tray respectively with the bottom fixed mounting of two ultrasonic probe. The utility model relates to a rationally, convenient operation is convenient for fix pressure vessel when detecting, avoids causing the phenomenon that pressure vessel dropped because of external force collision, is convenient for adjust pressure vessel's clamping-force, avoids causing its phenomenon of damage because of the clamping-force is too big, and is convenient for protect ultrasonic probe, avoids the phenomenon in external dust enters into ultrasonic probe, is favorable to the use.

Description

Nondestructive testing device for seal head of pressure vessel

Technical Field

The utility model relates to a nondestructive test equipment technical field especially relates to a pressure vessel head nondestructive test device.

Background

The end enclosure belongs to a boiler part in a pressure vessel, is usually used at two ends of the pressure vessel, and is a welded pipe fitting product used for plugging the tail end of a pipeline, because the high-pressure vessel of the end enclosure of the pressure vessel needs strong pressure resistance, the pressure end enclosure needs to be subjected to nondestructive testing for safety, and the end enclosure is searched and authorized to be issued with the following number: CN205404445U discloses a pressure vessel head nondestructive test device, including base, video nondestructive test device and PLC controlling means, driving motor's output shaft passes through the reduction gear and is connected with the gearbox rotation, be equipped with the piezoceramics oscillator on the upper end output shaft of gearbox, the slot-shaped detection tray is installed to the upper end of piezoceramics oscillator, the both sides upper end of slot-shaped detection tray is fixed with ultrasonic probe through tensile bending post symmetry, ultrasonic probe and PLC controlling means electric connection, CMOS camera scanning head passes through power line box and PLC controlling means electric connection, has simple structure, easy to operate, the result is stable, and can avoid adopting when former detection method because of error or deviation that testing personnel's misoperation produced, improve the comparability of testing result and reduce intensity of labour's advantage.

Although can realize the purpose to head nondestructive test in the above-mentioned patent, it is not convenient for fix pressure vessel at the in-process that detects, though can improve the stability of flute profile inspection tray at the rotation in-process through the piezoceramics oscillator, it is receiving the in-process of external impact force, the phenomenon that pressure vessel dropped still can appear, and be not convenient for protect ultrasonic probe, ultrasonic probe exposes for a long time in the external world, cause the phenomenon that the dust enters into ultrasonic probe easily, to sum up two kinds of circumstances, all can influence the detection, therefore we have proposed a pressure vessel head nondestructive test device and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pressure vessel head nondestructive testing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a nondestructive testing device for a pressure vessel end socket comprises a nondestructive testing device body, wherein the nondestructive testing device body comprises a mounting seat and two ultrasonic probes arranged above the mounting seat, a mounting cavity is formed in the mounting seat, a gearbox is fixedly arranged on the inner wall of the bottom of the mounting cavity, an output shaft of the gearbox extends to the upper side of the mounting seat and is fixedly provided with a piezoelectric ceramic vibrator, a U-shaped tray is fixedly arranged at the top of the piezoelectric ceramic vibrator, two ends of the top of the U-shaped tray are respectively and fixedly arranged with the bottoms of the two ultrasonic probes, a cavity is formed in the U-shaped tray, screw rods are rotatably arranged on the inner walls of two sides of the cavity, one ends of the two screw rods, which are close to each other, are welded, the screw threads of the two screw rods are opposite in rotating direction, one end of one of the two screw rods extends out of the U-shaped tray and is, two first through holes are formed in the inner wall of the top of the cavity, the tops of the moving blocks penetrate through the corresponding first through holes and extend into the U-shaped tray, the moving plates are fixedly installed on the moving blocks, two clamping plates are arranged between the two moving plates, a plurality of springs are fixedly installed on the sides, far away from each other, of the two clamping plates, one ends, far away from the corresponding clamping plates, of the springs are fixedly connected with one sides, close to the clamping plates, of the moving plates, the bottoms of the clamping plates extend into the corresponding first through holes, the U-shaped tray is movably sleeved on the two clamping plates and the two moving blocks, L-shaped positioning rods are fixedly installed at the tops, close to the corresponding moving plates, of the clamping plates, sliding sleeves of the moving plates are sleeved on the corresponding L-shaped positioning rods, a protective tube is movably sleeved on the ultrasonic probe, a cover plate is rotatably installed, the inner walls of two sides of the U-shaped tray are provided with second through holes, the top inner wall and the bottom inner wall of each second through hole are fixedly provided with the same first positioning rod, the bottom plate is sleeved on the corresponding first positioning rod in a sliding mode, and the top of each first positioning rod is fixed with the top inner wall of the corresponding second through hole in a magnetic mode.

Preferably, one side of the moving block is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw.

Preferably, the both sides of movable block all fixed mounting have first slider, the spout has all been seted up on the both sides inner wall of first through-hole, one side that corresponding movable block was kept away from to first slider extends to in the spout, the top and the bottom of first slider all inlay and are equipped with two first balls, one side that corresponding movable block was kept away from to first ball and the inner wall rolling contact of spout, the equal fixed mounting in front side and the rear side of splint has the second slider, the second slider is located the spout that corresponds, the top and the bottom of second slider all inlay and are equipped with two second balls, one side that corresponding second slider was kept away from to the second ball and the inner wall rolling contact of spout.

Preferably, the same rectangular block is fixedly installed between the top inner wall and the bottom inner wall of the cavity, and the rectangular block is rotatably sleeved on the two screw rods.

Preferably, the top of the bottom plate is embedded with a first magnet, the first magnet is movably sleeved on the corresponding first positioning rod, the top of the second through hole is embedded with a second magnet, and the first magnet is adsorbed with the corresponding second magnet.

Preferably, a rectangular hole is formed in the top of one side of the moving plate, and the side wall of the rectangular hole is in sliding connection with the outer side of the corresponding L-shaped positioning rod.

Preferably, the anti-skid rubber sheets are fixedly arranged on the mutually close sides of the two clamping plates.

Preferably, a thread groove is formed in the other side of the top of the protection pipe, a T-shaped bolt is sleeved in the thread groove, the top of the T-shaped bolt extends to the upper side of the corresponding cover plate, and the cover plate is sleeved on the corresponding T-shaped bolt in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that:

the pressure container with the seal head is placed between two clamping plates through the matching of a mounting seat, a U-shaped tray, a piezoelectric ceramic vibrator, a cavity, a screw rod, an ultrasonic probe, a protective tube, a bottom plate, a first through hole, a first positioning rod, a moving block, a moving plate, the clamping plates, springs, an L-shaped positioning rod and a first through hole and a second sliding block, then a knob is rotated in the forward direction to drive the two screw rods to rotate, the moving plate is driven to move through the corresponding moving block while the screw rods rotate, the moving plate drives the clamping plates to move through the corresponding springs, the clamping plates drive corresponding anti-skid rubber sheets to move to be in close contact with the pressure container, so that the clamping plates are limited to continue to move, the knob is rotated continuously, the moving plate continues to move and compress the corresponding springs, and when the clamping force of the clamping plates on the pressure container is adjusted according to the, and be convenient for adjust the clamping-force to pressure vessel according to actual need, when needs will examine ultrasonic probe and move out the use, the positive direction rotates T shape bolt and shifts out from the thread groove that corresponds, rotates apron to one side of the protective tube that corresponds immediately, and the promotion protective tube passes through the bottom plate downwards and drives first magnet and second magnet separation, along with the downstream of protective tube for ultrasonic probe exposes in the protective tube gradually, can normal use.

The utility model relates to a rationally, convenient operation is convenient for fix pressure vessel when detecting, avoids causing the phenomenon that pressure vessel dropped because of external force collision, is convenient for adjust pressure vessel's clamping-force, avoids causing its phenomenon of damage because of the clamping-force is too big, and is convenient for protect ultrasonic probe, avoids the phenomenon in external dust enters into ultrasonic probe, is favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a nondestructive testing device for a pressure vessel end socket provided by the present invention;

FIG. 2 is a schematic structural view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a portion B in fig. 2.

In the figure: the device comprises an installation seat 1, a U-shaped tray 2, a piezoelectric ceramic vibrator 3, a cavity 4, a screw rod 5, an ultrasonic probe 6, a protective tube 7, a bottom plate 8, a second through hole 9, a first positioning rod 10, a moving block 11, a moving plate 12, a clamping plate 13, a spring 14, a positioning rod 15L, a first through hole 16 and a second sliding block 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a nondestructive testing device for a pressure vessel end socket comprises a nondestructive testing device body, the nondestructive testing device body comprises a mounting seat 1 and two ultrasonic probes 6 arranged above the mounting seat 1, a mounting cavity is arranged on the mounting seat 1, a gear box is fixedly arranged on the inner wall of the bottom of the mounting cavity, an output shaft of the gear box extends to the upper side of the mounting seat 1 and is fixedly provided with a piezoelectric ceramic vibrator 3, a U-shaped tray 2 is fixedly arranged on the top of the piezoelectric ceramic vibrator 3, two ends of the top of the U-shaped tray 2 are respectively fixedly arranged with the bottoms of the two ultrasonic probes 6, a cavity 4 is arranged on the U-shaped tray 2, screw rods 5 are rotatably arranged on the inner walls of two sides of the cavity 4, one ends of the two screw rods 5 close to each other are welded, the thread directions of the two screw rods 5 are opposite, one end of one screw rod 5 of the two screw rods 5 extends to the outside of, a moving block 11 is sleeved on the screw 5 in a threaded manner, two first through holes 16 are formed in the inner wall of the top of the cavity 4, the top of the moving block 11 penetrates through the corresponding first through holes 16 and extends into the U-shaped tray 2, a moving plate 12 is fixedly installed on the moving plate 12, two clamping plates 13 are arranged between the two moving plates 12, a plurality of springs 14 are fixedly installed on the sides, away from each other, of the two clamping plates 13, one ends, away from the corresponding clamping plates 13, of the springs 14 are fixedly connected with the side, close to the clamping plates 13, of the moving plate 12, the bottoms of the clamping plates 13 extend into the corresponding first through holes 16, the U-shaped tray 2 is movably sleeved on the two clamping plates 13 and the two moving blocks 11, an L-shaped positioning rod 15 is fixedly installed at the top of one side, close to the corresponding moving plate 12, the moving plate 12 is slidably sleeved on the corresponding L-shaped positioning, the other side of the top end of the protective tube 7 is fastened with the cover plate through threads, the same bottom plate 8 is fixedly arranged between the inner walls of the two sides of the protective tube 7, the inner walls of the two sides of the U-shaped tray 2 are both provided with second through holes 9, the same first locating rod 10 is fixedly arranged between the inner wall of the top part and the inner wall of the bottom part of each second through hole 9, the bottom plate 8 is sleeved on the corresponding first locating rod 10 in a sliding way, and the top part of each first locating rod 10 is fixed with the inner wall of the top part of the corresponding second through hole 9 in a magnetic absorption way. And the ultrasonic probe 6 is protected conveniently, the phenomenon that external dust enters the ultrasonic probe 6 is avoided, and the use is facilitated.

In the utility model, one side of the moving block 11 is provided with a threaded hole which is in threaded connection with the corresponding screw 5, two sides of the moving block 11 are both fixedly provided with a first slide block, two side inner walls of the first through hole 16 are both provided with a chute, one side of the first slide block far away from the corresponding moving block 11 extends into the chute, the top and the bottom of the first slide block are both embedded with two first balls, one side of the first ball far away from the corresponding moving block 11 is in rolling contact with the inner wall of the chute, the front side and the rear side of the splint 13 are both fixedly provided with a second slide block 17, the second slide block 17 is positioned in the corresponding chute, the top and the bottom of the second slide block 17 are both embedded with two second balls, one side of the second ball far away from the corresponding second slide block 17 is in rolling contact with the inner wall of the chute, the same rectangular block is fixedly arranged between the top inner wall and the bottom inner wall of the cavity 4, the utility model has the advantages of reasonable design, convenient operation, convenient fixation to the pressure vessel during detection, avoidance of the phenomenon that the pressure vessel drops due to external force collision, and convenient adjustment of the clamping force to the pressure vessel, the phenomenon of damage caused by overlarge clamping force is avoided, the ultrasonic probe 6 is protected conveniently, the phenomenon that external dust enters the ultrasonic probe 6 is avoided, and the ultrasonic probe is favorable for use.

The working principle is as follows: when in use, a pressure container with a sealing head is placed on the U-shaped tray 2, the pressure container is positioned between the two clamping plates 13, then the knob is rotated in the forward direction, the knob drives one screw rod 5 fixedly connected with the knob to rotate, one screw rod 5 drives the other screw rod 5 to rotate, under the action of a threaded hole formed in the moving block 11, the screw rod 5 rotates and drives the corresponding moving block 11 to move, the moving block 11 drives the corresponding moving plate 12 to move, the moving plate 12 drives the corresponding first sliding block to slide in the sliding groove, the first sliding block drives the corresponding first ball to roll in the sliding groove, the moving plate 12 moves and simultaneously drives the clamping plates 13 to move through the corresponding springs 14, the clamping plates 13 drive the corresponding second sliding blocks 17 to move, the second sliding blocks 17 drive the corresponding second ball to roll in the sliding groove, and the clamping plates 13 drive the corresponding anti-skid rubber to move to be in close contact with the pressure container, further, the clamp plates 13 are limited to move continuously, the knob is rotated continuously, the moving plate 12 is enabled to move continuously and compress the corresponding springs 14, when the clamping force of the clamp plates 13 on the pressure container is adjusted according to the compression degree of the springs 14, the knob is stopped to rotate, the pressure container is fixed, the phenomenon that the pressure container falls off due to external impact is avoided, the clamping force on the pressure container can be adjusted conveniently according to actual needs, and the phenomenon that the pressure container is damaged due to overlarge clamping force is avoided;

when needing to examine ultrasonic probe 6 and moving out the use, T shape bolt is rotated to the forward, T shape bolt shifts out from the thread groove that corresponds in the pivoted, rotate apron one side to the protective tube 7 that corresponds immediately, promote protective tube 7 downwards, protective tube 7 drives corresponding bottom plate 8 downstream, bottom plate 8 slides on corresponding first locating rod 10 in the time of the downstream, bottom plate 8 drives corresponding first magnet and the separation of second magnet, along with the downstream of protective tube 7, make ultrasonic probe 6 expose in protective tube 7 gradually, when the bottom of protective tube 7 and the contact of the bottom inner wall of corresponding second through-hole 9, restriction protective tube 7 continues downstream, ultrasonic probe 6 exposes in the external world completely this moment, can normal use.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pressure vessel head nondestructive testing device comprises a nondestructive testing equipment body, wherein the nondestructive testing equipment body comprises a mounting seat (1) and two ultrasonic probes (6) arranged above the mounting seat (1), a mounting cavity is formed in the mounting seat (1), a gearbox is fixedly mounted on the inner wall of the bottom of the mounting cavity, an output shaft of the gearbox extends to the upper side of the mounting seat (1) and is fixedly provided with a piezoelectric ceramic vibrator (3), a U-shaped tray (2) is fixedly mounted at the top of the piezoelectric ceramic vibrator (3), two ends of the top of the U-shaped tray (2) are respectively fixedly mounted with the bottoms of the two ultrasonic probes (6), the nondestructive testing device is characterized in that a cavity (4) is formed in the U-shaped tray (2), screw rods (5) are rotatably mounted on the inner walls of two sides of the cavity (4), and one ends of the two screw rods (5) close to each other are welded, the screw threads of the two screw rods (5) are opposite in turning direction, one end of one screw rod (5) of the two screw rods (5) extends out of the U-shaped tray (2) and is fixedly provided with a knob, a movable block (11) is sleeved on the screw threads of the screw rods (5), two first through holes (16) are formed in the inner wall of the top of the cavity (4), the top of the movable block (11) penetrates through the corresponding first through holes (16) to extend into the U-shaped tray (2) and is fixedly provided with a movable plate (12), two clamping plates (13) are arranged between the two movable plates (12), a plurality of springs (14) are fixedly arranged on the sides, far away from each other, of the two clamping plates (13), of the springs (14) are fixedly connected with the side, close to the clamping plates (13), of the movable plate (12), the bottoms of the clamping plates (13) extend into the corresponding first through holes (16), the U-shaped tray (2) is movably sleeved on the two clamping plates (13) and the two, the tops of the clamping plates (13) close to one side of the corresponding moving plate (12) are fixedly provided with L-shaped positioning rods (15), the moving plate (12) is sleeved on the corresponding L-shaped positioning rods (15) in a sliding way, the utility model discloses a support structure of ultrasonic probe, including ultrasonic probe (6), the movable sleeve is equipped with protecting tube (7) on ultrasonic probe (6), the top one side of protecting tube (7) is rotated and is installed the apron, the top opposite side and the apron screw-thread fastening of protecting tube (7), fixed mounting has same bottom plate (8) between the both sides inner wall of protecting tube (7), second through-hole (9) have all been seted up on the both sides inner wall of U-shaped tray (2), fixed mounting has same first locating rod (10) between the top inner wall of second through-hole (9) and the bottom inner wall, bottom plate (8) slip cap is established on corresponding first locating rod (10), the top of first locating rod (10) is inhaled fixedly with the top inner wall magnetism of the second through-hole (9).

2. The nondestructive testing device for the seal head of the pressure vessel as claimed in claim 1 wherein one side of the moving block (11) is provided with a threaded hole, and the threaded hole is in threaded connection with the corresponding screw (5).

3. The pressure vessel seal head nondestructive testing device according to claim 1, wherein first sliding blocks are fixedly mounted on two sides of the moving block (11), sliding grooves are formed in inner walls of two sides of the first through hole (16), one side, away from the corresponding moving block (11), of each first sliding block extends into the corresponding sliding groove, two first balls are embedded in the top and the bottom of each first sliding block, one side, away from the corresponding moving block (11), of each first ball is in rolling contact with the inner wall of the corresponding sliding groove, second sliding blocks (17) are fixedly mounted on the front side and the rear side of each clamping plate (13), the second sliding blocks (17) are located in the corresponding sliding grooves, two second balls are embedded in the top and the bottom of each second sliding block (17), and one side, away from the corresponding second sliding blocks (17), of each second ball is in rolling contact with the inner walls of the corresponding sliding grooves.

4. The nondestructive testing device for the seal head of the pressure vessel according to claim 1, wherein the same rectangular block is fixedly installed between the top inner wall and the bottom inner wall of the cavity (4), and the rectangular block is rotatably sleeved on the two screw rods (5).

5. The nondestructive testing device for the seal head of the pressure vessel according to claim 1 is characterized in that the top of the bottom plate (8) is embedded with a first magnet which is movably sleeved on the corresponding first positioning rod (10), the top of the second through hole (9) is embedded with a second magnet, and the first magnet is adsorbed with the corresponding second magnet.

6. The nondestructive testing device for the end socket of the pressure vessel according to claim 1, wherein a rectangular hole is formed in the top of one side of the moving plate (12), and the side wall of the rectangular hole is slidably connected with the outer side of the corresponding L-shaped positioning rod (15).

7. The nondestructive testing device for the end socket of the pressure vessel according to claim 1, wherein the side of the two clamping plates (13) close to each other is fixedly provided with an anti-slip film.

8. The nondestructive testing device for the seal head of the pressure vessel according to claim 1, wherein a thread groove is formed in the other side of the top of the protection tube (7), a T-shaped bolt is sleeved in the thread groove, the top of the T-shaped bolt extends above a corresponding cover plate, and the cover plate is sleeved on the corresponding T-shaped bolt in a threaded manner.