CN213482131U

CN213482131U - Automatic fixing device for detecting flaw of pipeline by ultrasonic wave

Info

Publication number: CN213482131U
Application number: CN202021534899.2U
Authority: CN
Inventors: 杨木桂; 刘晓健
Original assignee: Individual
Current assignee: Xinjiang Tianwei Nondestructive Testing Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-06-18
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the technical field of ultrasonic inspection and flaw detection, and discloses an automatic fixing device for detecting flaws by ultrasonic inspection pipelines, which comprises a detector body and is characterized in that an ultrasonic generator is fixedly arranged on the inner wall of the detector body, a transmitting signal head is fixedly arranged on the top of the inner wall of the ultrasonic generator, a receiving signal head is fixedly arranged on the bottom of the inner wall of the ultrasonic generator, an alarm is fixedly arranged on the top of the inner wall of the detector body, the automatic fixing device for detecting flaws by ultrasonic inspection pipelines extrudes the interior of the pipeline by a pressure contact, determines the extension or retraction of a telescopic rod according to the distance between the pressure contact and the inner wall of the pipeline, feeds back a pressure signal to a pressure sensor after extruding to a marginal groove, then a motor controller controls a stepping motor to stop rotating, and a threaded rod is fixed on the inner wall of the pipeline after reaching a corresponding position, the purpose of automatic telescopic fixing is achieved.

Description

Automatic fixing device for detecting flaw of pipeline by ultrasonic wave

Technical Field

The utility model relates to a fixed knot constructs the field, specifically is an automatic fixing device who detects a flaw with ultrasonic detection pipeline.

Background

The ultrasonic wave is a mechanical wave, has very high frequency, the energy of the ultrasonic wave is far greater than the energy of the audible sound wave with the same amplitude, the ultrasonic wave has very strong penetrating power, and is used for detecting the flaw.

At present, an ultrasonic detection pipeline flaw detection device on the market is often inaccurate in measured data due to the fact that an ultrasonic probe cannot be reliably fixed, the measured data can be deviated due to slight shaking, the ultrasonic probe often has to be fixed and detected again, the cost is increased and precious time is wasted due to the fact that the ultrasonic probe is unstable, and therefore the flaw detection progress of the whole pipeline is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an automatic fixing device with ultrasonic detection pipeline is detected a flaw possesses automatic fixed advantage, has solved the unable reliable fixed problem of ultrasonic transducer.

(II) technical scheme

For the advantage purpose of realizing above-mentioned automatic fixed, the utility model provides a following technical scheme: an automatic fixing device for detecting flaws of a pipeline by using ultrasonic waves comprises a detector body, wherein an ultrasonic generator is fixedly installed on the inner wall of the detector body, a transmitting signal head is fixedly installed on the top of the inner wall of the ultrasonic generator, a receiving signal head is fixedly installed on the bottom of the inner wall of the ultrasonic generator, an alarm is fixedly installed on the top of the inner wall of the detector body, a GPS (global positioning system) positioner is fixedly installed on the bottom of the inner wall of the detector body, a fixing platform is fixedly installed on the edge of the inner wall of the detector body, a power supply interface is fixedly installed at the bottom end of the fixing platform, a motor controller is fixedly installed on the inner wall of the fixing platform, a pressure sensor is fixedly installed on the right side of the inner wall of the fixing platform, a stepping motor is fixedly installed on the left side of the inner wall of, the right end of the first conical gear is meshed with a second conical gear, the top end of the second conical gear is fixedly provided with a rotating rod, the top end of the rotating rod is fixedly provided with a telescopic rod, the top of the inner wall of the detector body is fixedly provided with an anti-falling baffle, the left and right ends of the outer wall of the telescopic rod are movably connected with sliding blocks, the opposite ends of the two sliding blocks are movably connected with sliding grooves, the opposite ends of the two sliding grooves are fixedly arranged on the two sides of the inner wall of a threaded rod, the outer wall of the threaded rod is meshed with a threaded groove, the left and right sides of the threaded groove are fixedly provided with an extending outer wall, the top end of the extending outer wall is fixedly provided with a limiting clamping block, the top end of the threaded rod is fixedly provided with a rubber pad, the inner wall of the rubber pad is, the base is fixedly mounted at the two ends of the spring and fixedly mounted on the opposite side of the threaded rod and the pressure contact.

Preferably, the number of the extension outer walls and the internal structures thereof is four, the extension outer walls and the internal structures thereof are distributed on the outer wall of the detector body relatively, the diameter of the detector body is twenty centimeters, the ultrasonic probe can be fixed by the four fixing devices to the maximum extent, and the twenty centimeters of internal space are evenly distributed on the four extension outer walls and the internal structures thereof.

Preferably, the model of the stepping motor is J-4218HB2401, the first conical gear is vertically arranged at the top end of the stepping motor, the model of the J-4218HB2401 has the advantages of low vibration and low noise, and the first conical gear is vertically arranged at the center of the outer wall of the stepping motor, so that the connection is firmer and the stress is uniform.

Preferably, pressure sensor's connecting wire extends to pressure contact department through the inner wall that extends the outer wall, pressure contact exposes the part to be three centimetres, and pressure sensor directly links to each other with pressure contact, can let in pressure signal clear arrival pressure sensor more to the dwang distance that makes the regulation is more accurate.

Preferably, spacing fixture block is one centimetre apart from the nearest distance of threaded rod, spacing fixture block quantity is eight, eight spacing fixture block divide into four groups, and four spacing fixture blocks of group are located four relative one sides that extend the outer wall respectively, and it is in order to prevent that a spacing fixture block is malfunctioning or damage to lead to threaded rod roll-off screw thread track to be equipped with two spacing fixture blocks on the extension outer wall, has increased factor of safety and stability.

Preferably, the screw thread in threaded rod and the thread groove is two-way movable screw thread, the threaded rod is connected perpendicularly with the dwang and diameter length equals, and two-way screw thread can make the threaded rod realize the function of free movement, and the fixed laminating of the same diameter is more stable.

Preferably, screw fixed mounting is on fixed platform's right side for both ends about the pressure sensor, screw quantity is four, and the screw fixation is fixed can the reinforce when conveniently dismantling, and four screws make the fastening maximize.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic fixing device with ultrasonic detection pipeline is detected a flaw possesses following beneficial effect:

1. this automatic fixing device who detects a flaw with ultrasonic detection pipeline, through letting pressure contact extrusion pipeline inside, determine the extension or the back that contracts of telescopic link according to the distance of pressure contact apart from the pipeline inner wall, feedback pressure signal to pressure sensor after extrudeing the edge groove, then motor controller control step motor stall, reach corresponding position after the threaded rod fix at the pipeline inner wall, reach automatic flexible fixed purpose.

2. This a accessory for fixed communication light not only can the automatic movement threaded rod fixed detector body, can let pressure contact response pressure signal simultaneously to feedback signal sensor, the signal that passes through signal sensor and transmits can know the pressure in the current pipeline for what, and then judge whether can carry out ultrasonic detection and detect a flaw.

Drawings

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic diagram of a middle section of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

FIG. 4 is an enlarged schematic view of the point B in FIG. 2 according to the present invention

In the figure: 1. a probe body; 2. an ultrasonic generator; 3. a transmitting signal head; 4. receiving a signal header; 5. a stepping motor; 6. a motor controller; 7. a first conical gear; 8. a second conical gear; 9. A pressure sensor; 10. an extended outer wall; 11. rotating the rod; 12. a fixed platform; 13. an alarm; 14. A GPS locator; 15. a power interface; a01, rubber pad; a02, edge groove; a03, pressure contact; a04, a spring; a05, a base; a06, a limit fixture block; a07, a threaded rod; a08, thread groove; b01, an anti-falling baffle; b02, a telescopic rod; b03, a sliding groove; b04, sliding blocks.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an automatic fixing device for detecting pipeline defects by ultrasonic waves comprises a detector body 1, the diameter of the detector body 1 is twenty centimeters, four fixing devices can fix an ultrasonic detection head to the maximum extent, four extending outer walls 10 and the internal structure thereof are evenly distributed in the internal space of twenty centimeters, an ultrasonic generator 2 is fixedly installed on the inner wall of the detector body 1, a transmitting signal head 3 is fixedly installed on the top of the inner wall of the ultrasonic generator 2, a receiving signal head 4 is fixedly installed on the bottom of the inner wall of the ultrasonic generator 2, an alarm 13 is fixedly installed on the top of the inner wall of the detector body 1, a GPS locator 14 is fixedly installed on the bottom of the inner wall of the detector body 1, a fixing platform 12 is fixedly installed on the edge of the inner wall of the detector body 1, and a power supply interface 15 is fixedly installed at the bottom end of the, the inner wall of the fixed platform 12 is fixedly provided with a motor controller 6, the right side of the inner wall of the fixed platform 12 is fixedly provided with a pressure sensor 9, the upper end and the lower end of the pressure sensor 9 are fixedly arranged on the right side of the fixed platform 12 through screws, the number of the screws is four, the screws are convenient to fix and disassemble and have strong fixing capacity, the fastening is maximized through the four screws, the left side of the inner wall of the fixed platform 12 is fixedly provided with a stepping motor 5, the model of the stepping motor 5 is J-4218HB2401, a first conical gear 7 is vertically arranged at the top end of the stepping motor 5, the model of the J-4218HB2401 has the advantages of low vibration and low noise, the first conical gear 7 is vertically arranged at the center of the outer wall of the stepping motor 5, the connection is more stable and the stress is uniform, the top end of the stepping motor 5 is fixedly provided with the first conical, a rotating rod 11 is fixedly installed at the top end of the second conical gear 8, an expansion rod B02 is fixedly installed at the top end of the rotating rod 11, an anti-falling baffle B01 is fixedly installed at the top of the inner wall of the detector body 1, sliding blocks B04 are movably connected at the left and right ends of the outer wall of the expansion rod B02, sliding grooves B03 are movably connected at the opposite ends of the two sliding blocks B04, the opposite ends of the two sliding grooves B03 are fixedly installed at the two sides of the inner wall of a threaded rod A07, threads in the threaded rod A07 and the threaded groove A08 are bidirectional movable threads, the threaded rod A07 is vertically connected with the rotating rod 11 and has the same diameter and length, the bidirectional threads can enable the threaded rod A07 to realize the function of free movement, the same diameter is fixedly attached to be more stable, the outer wall of the threaded rod A07 is engaged with a threaded groove A08, extension outer, the locating device is relatively distributed on the outer wall of the detector body 1, the top end of the extending outer wall 10 is fixedly provided with a limiting fixture block A06, the closest distance between a limiting fixture block A06 and a threaded rod A07 is one centimeter, the number of the limiting fixture blocks A06 is eight, the eight limiting fixture blocks A06 are divided into four groups, four groups of limiting fixture blocks A06 are respectively located on the opposite sides of the four extending outer walls 10, two limiting fixture blocks A06 are arranged on one extending outer wall 10 to prevent one limiting fixture block A06 from malfunctioning or being damaged to cause the threaded rod A07 to slide out of a threaded track, the safety factor and the stability are increased, the top end of the threaded rod A07 is fixedly provided with a rubber pad A01, the inner wall of the rubber pad A01 is provided with an edge groove A02, the inner wall of the edge groove A02 is movably connected with a pressure contact A03, the bottom of the rubber pad A01 is fixedly provided with a spring A04, the two ends of the spring A04 are fixedly, the connecting wire of pressure sensor 9 extends to pressure contact A03 department through the inner wall that extends outer wall 10, pressure contact A03 exposes the part for three centimetres, and pressure sensor 9 directly links to each other with pressure contact A03, can let pressure signal more clear reach the pressure sensor 9 in to the dwang 11 distance that makes the regulation is more accurate.

The working principle is that an ultrasonic detector is placed in the pipeline, after a switch is turned on, current enters a stepping motor 5 through a power interface 15 to enable the stepping motor to operate, the stepping motor 5 drives a first conical gear 7 at the top end to rotate after the stepping motor 5 operates, the first conical gear 7 rotates to drive a second conical gear 8 at the outer wall meshing part, the second conical gear 8 drives a rotating rod 11 fixedly installed at the top end to rotate, the rotating rod 11 drives a telescopic rod B02 fixedly installed at the top end to rotate, when a telescopic rod B02 rotates, a sliding block B04 on the outer wall of the telescopic rod B02 is movably connected with a sliding groove B03 on the inner wall of a threaded rod A07, so that the sliding block B04 vertically moves in the sliding groove B03, and a threaded groove A08 is arranged on the outer wall of the threaded rod A07, the thread on the threaded rod A07 is movably connected in the threaded groove A08, when the sliding block B04 moves upwards in the sliding groove B03 on the inner wall of the threaded rod A07, the threaded rod A07 spirally moves upwards in the threaded groove A08, similarly, when the telescopic rod B02 descends, the sliding block B04 moves downwards in the sliding groove B03 of the threaded rod A07, the outer wall thread of the threaded rod A07 rotates downwards in the threaded groove A08, concave grooves are formed on two sides of the rotating rod 11, the anti-falling baffle B01 is clamped in the concave grooves but does not contact with the rotating rod 11, when the anti-falling baffle B01 rotates, the anti-falling baffle B01 prevents the threaded rod A07 and the rotating rod 11 from sliding or adhering to the pipe wall until the anti-falling baffle A01 is stretched to a specified position, the pressure contact A03 at the front end of the rubber pad A01 senses pressure and simultaneously adheres to the pipe wall, the pressure contact A03 adheres to the pipe wall and then retracts into the edge groove A02, and the pressure sensor 9 in the fixed platform, transmitting a signal to the motor controller 6, commanding the stepping motor 5 to stop running after the motor controller 6 receives the signal, keeping the threaded rod A07 still after stopping, making the rubber pad A01 tightly attached to the tube wall by the sliding block B04 also standing at a certain position of the sliding groove B03, preventing the threaded rod A07 from exceeding the limit and damaging the detector by the limiting clamping block A06 extending the top end of the outer wall 10, starting the detector to detect and detect after the fixing is finished, generating ultrasonic waves by the ultrasonic generator 2, by detecting the final detection signal by the transmitting signal head 3 and returning to the receiving signal head 4, the GPS locator 14 can locate the position of the damaged pipeline or the worried pipeline, the alarm 13 can be triggered no matter the ultrasonic detector is damaged or the fixing device is damaged, the threaded rod A07 and the telescopic rod B02 slowly return to the starting point after the detection is finished, the automatic fixing device greatly improves the fixing stability and solves the problem of measurement error caused by instability of the detector in the pipeline.

To sum up, this kind of automatic fixing device who detects a flaw with ultrasonic detection pipeline, through letting pressure contact A03 inside the extrusion pipeline, decide extension or the back-ward-back of telescopic link B02 according to the distance of pressure contact A03 distance pipeline inner wall, extrude feedback pressure signal to pressure sensor 9 behind the marginal groove A02, then motor controller 6 control step motor 5 stall, threaded rod A07 fixes at the pipeline inner wall after reaching the relevant position, reach the automatic flexible purpose, this an accessory for fixed communication light, not only can automatic removal threaded rod fixed detector body 1, can let pressure contact A03 induction pressure signal simultaneously, thereby feed back signal sensor 9, the signal that passes through signal sensor 9 and can know what the pressure is in the current pipeline is, and then judge whether can carry out ultrasonic detection and detect a flaw.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic fixing device with ultrasonic detection pipeline is detected a flaw, includes detector body (1), its characterized in that: the ultrasonic wave detector is characterized in that an ultrasonic wave generator (2) is fixedly mounted on the inner wall of the detector body (1), a transmitting signal head (3) is fixedly mounted on the top of the inner wall of the ultrasonic wave generator (2), a receiving signal head (4) is fixedly mounted on the bottom of the inner wall of the ultrasonic wave generator (2), an alarm (13) is fixedly mounted on the top of the inner wall of the detector body (1), a GPS (global positioning system) positioner (14) is fixedly mounted on the bottom of the inner wall of the detector body (1), a fixed platform (12) is fixedly mounted on the edge of the inner wall of the detector body (1), a power supply interface (15) is fixedly mounted at the bottom end of the fixed platform (12), a motor controller (6) is fixedly mounted on the inner wall of the fixed platform (12), a pressure sensor (9) is fixedly mounted on the right side of the inner wall of the fixed platform (12), and a stepping, the top fixed mounting of step motor (5) has first conical gear (7), the right-hand member meshing of first conical gear (7) has second conical gear (8), the top fixed mounting of second conical gear (8) has dwang (11), dwang (11) top fixed mounting has telescopic link (B02), the inner wall top fixed mounting of detector body (1) has anti-falling baffle (B01), equal swing joint in both ends has sliding block (B04) about telescopic link (B02) outer wall, two the equal swing joint in opposite one end of sliding block (B04) has sliding tray (B03), two the equal fixed mounting in threaded rod (A07) inner wall both sides of relative one end of sliding tray (B03), the outer wall meshing of threaded rod (A07) has threaded groove (A08), the equal fixed mounting in the left and right sides of threaded groove (A08) has extension outer wall (10), extend the top fixed mounting of outer wall (10) and have spacing fixture block (A06), the top fixed mounting of threaded rod (A07) has rubber pad (A01), edge groove (A02) have been seted up to the inner wall of rubber pad (A01), the inner wall swing joint of edge groove (A02) has pressure contact (A03), the bottom fixed mounting of rubber pad (A01) has spring (A04), the equal fixed mounting in both ends of spring (A04) has base (A05), base (A05) fixed mounting is in the relative one side of threaded rod (A07) and pressure contact (A03).

2. The automatic fixing device for detecting the flaw of the pipeline by using the ultrasonic wave according to claim 1, wherein: the number of the extension outer walls (10) and the number of the inner structures of the extension outer walls are four, the extension outer walls and the inner structures are distributed on the outer wall of the detector body (1) oppositely, and the diameter of the detector body (1) is twenty centimeters.

3. The automatic fixing device for detecting the flaw of the pipeline by using the ultrasonic wave according to claim 1, wherein: the first conical gear (7) is vertically arranged at the top end of the stepping motor (5).

4. The automatic fixing device for detecting the flaw of the pipeline by using the ultrasonic wave according to claim 1, wherein: the connecting line of the pressure sensor (9) extends to the position of a pressure contact (A03) through the inner wall of the extension outer wall (10), and the exposed part of the pressure contact (A03) is three centimeters.

5. The automatic fixing device for detecting the flaw of the pipeline by using the ultrasonic wave according to claim 1, wherein: the nearest distance between the limiting clamping blocks (A06) and the threaded rod (A07) is one centimeter, the number of the limiting clamping blocks (A06) is eight, the eight limiting clamping blocks (A06) are divided into four groups, and the four groups of limiting clamping blocks (A06) are respectively positioned on the opposite sides of the four extending outer walls (10).

6. The automatic fixing device for detecting the flaw of the pipeline by using the ultrasonic wave according to claim 1, wherein: the screw thread in threaded rod (A07) and thread groove (A08) is two-way activity screw thread, threaded rod (A07) and dwang (11) are connected perpendicularly and diameter length equals.

7. The automatic fixing device for detecting the flaw of the pipeline by using the ultrasonic wave according to claim 1, wherein: the upper end and the lower end of the pressure sensor (9) are fixedly arranged on the right side of the fixed platform (12) through screws, and the number of the screws is four.