CN214201286U - Self-walking steel pipe rotating ultrasonic flaw detection system - Google Patents
Self-walking steel pipe rotating ultrasonic flaw detection system Download PDFInfo
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- CN214201286U CN214201286U CN202022808695.XU CN202022808695U CN214201286U CN 214201286 U CN214201286 U CN 214201286U CN 202022808695 U CN202022808695 U CN 202022808695U CN 214201286 U CN214201286 U CN 214201286U
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Abstract
The utility model relates to the technical field of steel pipe detection, in addition, the utility model relates to a self-walking steel pipe rotating ultrasonic flaw detection system, which comprises a self-crawling mechanism, a flaw detection device and a rotating mechanism, wherein the self-crawling mechanism comprises a base and more than three crawling wheel assemblies, and the crawling wheel assemblies are arranged on the base; the flaw detection device comprises a water tank, a water storage tank, an ultrasonic detection probe and a water supply device; the rotating mechanism comprises a supporting seat, a magnetic sucker, a roller and a driving device, the flaw detection device is fixed on a base of the self-crawling mechanism, the self-crawling mechanism rotates along with the steel pipe to be detected and makes spiral motion along the outer surface of the steel pipe to be detected, and the flaw detection device is further driven to move, so that ultrasonic flaw detection of the steel pipe to be detected is completed. The utility model discloses a rotatory flaw detection system of steel pipe from walking can satisfy the automatic demand that detects of steel pipe, and the quality and the efficiency of detection are all better, are applicable to the steel pipe or other metals of different specifications.
Description
Technical Field
The utility model belongs to the technical field of the steel pipe detects, more specifically relates to a rotatory ultrasonic flaw detection system of steel pipe from walking.
Background
With the demand of social production and development, the demand of steel pipes in various industrial fields is greatly increased, and higher requirements are made on the surface quality and the internal quality of the steel pipes. The defects of cracks, folding, layering, impurities, air holes and the like easily occur in the production process of the steel pipe, the rigidity and the strength of the steel pipe are affected, quality threats are formed, potential safety hazards are formed, and economic losses are caused. Therefore, in order to ensure the quality of the steel pipe, it is necessary to perform nondestructive testing of the defect.
The nondestructive testing mainly comprises five methods: ultrasonic detection, ray detection, eddy current detection, magnetic powder detection and penetration detection are widely applied as an effective detection means in the field of seamless steel pipe detection. Compared with other nondestructive detection methods, the ultrasonic detection method has the advantages of wide range of the detected object, large detection depth, accurate defect positioning, high detection sensitivity, low cost, good operation performance, high speed, no harm to human bodies and the like. The automatic ultrasonic flaw detection equipment for domestic seamless steel pipes mainly has two types: one is that the steel pipe advances spirally, the unmovable device of the probe: the other is a device for the steel pipe to advance linearly and the probe to rotate at high speed. The floor area of the spiral advancing of the steel pipe is large, and the requirement of the rotation of the probe on the detection device is high.
SUMMERY OF THE UTILITY MODEL
To the above defect of prior art or improve the demand, the utility model provides a rotatory ultrasonic flaw detection system of steel pipe from walking, its purpose is improving the quality and the efficiency that the steel pipe detected, solves the technical problem that relevant detection method detects the precision low, inefficiency from this.
In order to achieve the above object, according to the utility model discloses, a rotatory ultrasonic flaw detection system of steel pipe from walking is provided, include from crawling mechanism, detection device and rotary mechanism of detecting a flaw, its characterized in that:
the self-crawling mechanism comprises a base and more than three crawling wheel assemblies, a through hole is formed in the position, corresponding to each crawling wheel assembly, of the base, and the crawling wheel assemblies are arranged in two rows;
for each group of crawling wheel assemblies, each crawling wheel assembly comprises a wheel mounting seat, an angle adjusting piece and a crawling wheel, each angle adjusting piece comprises a locking nut, one end of each wheel mounting seat penetrates through a through hole in the base and then is connected with the locking nut, so that the wheel mounting seats are locked on the base, and the crawling wheels are fixedly mounted on the wheel mounting seats and used for crawling on the outer surface of the steel pipe to be tested;
the central lines of the crawling wheels are parallel to each other;
the flaw detection device is fixed on the self-crawling mechanism;
rotary mechanism includes supporting seat, magnetic chuck, running roller and drive arrangement, be provided with the space that the steel pipe that is convenient for await measuring passes this supporting seat on the supporting seat, the magnetic chuck is fixed in order to be used for adsorbing the steel pipe that awaits measuring on the supporting seat, the running roller is installed on the supporting seat and is passed through the drive arrangement drive rotates to the steel pipe that drives and awaits measuring rotates.
Preferably, the base is provided with a plurality of positioning holes in the circumferential direction of each through hole, the angle adjusting piece further comprises positioning bolts, and each positioning bolt penetrates through one positioning hole and then is connected with the wheel mounting seat.
Preferably, the magnetic chuck is provided with a curved surface convenient for fitting the steel pipe to be tested.
Preferably, the flaw detection device comprises a water tank, a water storage tank, an ultrasonic detection probe and a water supply device;
the water tank is fixedly connected with the base;
the water storage tank and the water supply device are both arranged in the water tank;
a water inlet hole is formed in the water storage tank;
the ultrasonic detection probe is fixed in the water storage tank;
the water supply device comprises a water supply pipe and a water pump, and two ends of the water supply pipe are respectively connected with the water inlet of the water storage tank and the water pump.
Preferably, the climbing wheel is a rubber-coated wheel, and an included angle between the central line of the climbing wheel and the axis of the steel pipe to be measured is adjusted through the angle adjusting piece.
Preferably, the lifting mechanism is used for driving the rotating mechanism to lift.
7. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the water storage tank is installed on the inner wall of the water tank through a rocker arm and two fixing plates, each end of the rocker arm is connected with the inner wall of the water tank through one fixing plate, and the rocker arm is hinged to the water storage tank through a hinge shaft.
Preferably, the top end of the water storage tank is provided with an arc-shaped notch so that the steel pipe to be tested is immersed in the water storage tank.
Preferably, the number of the rollers is two, and the rollers are arranged on two sides of the magnetic chuck in bilateral symmetry to clamp the steel pipe to be tested.
Preferably, the device further comprises a support bench used for placing the steel pipe to be tested, wherein the support bench comprises a support base and a support column, and the support base is supported by the support column.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) the utility model discloses a from rotatory ultrasonic testing system of steel pipe of walking, the mechanism of crawling is located the steel pipe surface that awaits measuring with detection device from crawling, and the rotation of running roller drives the steel pipe rotation that awaits measuring among the rotary mechanism to the wheel of crawling that drives from the mechanism of crawling moves on the surface of steel pipe that awaits measuring, and realizes the measurement to the steel pipe that awaits measuring through detection device that detects a flaw. The adopted self-rotating mechanism and the self-crawling mechanism greatly improve the detection efficiency of the flaw detection system, reduce the volume of flaw detection equipment, facilitate the application of the flaw detection system in different environments, and reduce the input of manpower and material resources during detection.
(2) The utility model discloses a rotatory ultrasonic testing system of steel pipe from walking, magnetic chuck is provided with the curved surface of the steel pipe that awaits measuring of being convenient for of laminating in the rotary mechanism, has increased the area of contact of magnetic chuck and the steel pipe that awaits measuring for the steady rotation of steel pipe that awaits measuring has improved the quality of detecting a flaw.
(3) The utility model discloses a rotatory ultrasonic testing system of steel pipe from walking can adjust the central line of climbing wheel and the contained angle of the axis of the steel pipe that awaits measuring from the angle modulation piece in the mechanism of crawling, and then adjusts the pitch of looking into of sweeping that the supersound detected, avoids looking into the pitch too big condition that appears the hourglass and examine because of sweeping.
(4) The utility model discloses a from rotatory ultrasonic testing system of walking steel pipe, water supply system, water storage box and the water tank among the detection device that detects a flaw have guaranteed that the coupling of steel pipe and water is incessant, ensure ultrasonic testing's accuracy.
(5) The utility model discloses a rotatory ultrasonic testing system of steel pipe from walking is provided with curved breach on the water storage box among the detection device that detects a flaw to let the steel pipe that awaits measuring submerge in the catch basin, promote the effect that detects.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2a is a schematic view of a base according to the present invention;
fig. 2b is a schematic view of the structure of the self-crawling mechanism of the present invention;
FIG. 3 is a schematic view of the lifting and rotating device of the present invention;
fig. 4 is a schematic structural view of the ultrasonic testing water tank of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Referring to the drawings, the self-walking steel pipe rotating ultrasonic flaw detection system comprises a self-crawling mechanism 1, a flaw detection device 2 and a rotating mechanism 3, wherein:
the self-crawling mechanism 1 comprises a base 16 and three or more crawling wheel assemblies 10, wherein a through hole is formed in the position, corresponding to each crawling wheel assembly 10, of the base 16 respectively, and the crawling wheel assemblies 10 are arranged in two rows so as to keep the balance of the motion of the self-crawling mechanism 1 on the steel pipe 5 to be tested;
for each set of said creeper wheel assemblies 10, each comprises a wheel mount 13, an angle adjuster and a creeper wheel 12. The angle adjusting part comprises a locking nut 15, one end of the wheel mounting seat 13 penetrates through a through hole in the base 16 and then is connected with the locking nut 15, so that the wheel mounting seat 13 is locked on the base 16, and a plurality of positioning holes are formed in the circumferential direction of each through hole of the base 16. Further, the angle adjusting part further comprises positioning bolts 14, the positioning bolts 14 penetrate through positioning holes respectively and then are connected with the wheel mounting base 13, and the crawling wheel 12 is fixedly mounted on the wheel mounting base 13 through the wheel shaft 11 and used for crawling on the outer surface of the steel pipe 5 to be detected. Through the cooperation of the locking nut 15, the positioning bolt 14 and the positioning hole, the included angle between the central line of the crawling wheel 12 on the wheel mounting seat 13 and the axis of the steel pipe 5 to be detected can be adjusted, so that the crawling pitch of the self-crawling mechanism 1 on the steel pipe 5 to be detected can be adjusted. The included angle between the central line of each crawling wheel 12 of the self-crawling mechanism 1 and the axis of the steel pipe 5 to be tested is larger than 0 degree and smaller than 90 degrees, and the included angle is positioned to be attached to the upper half part of the steel pipe 5 to be tested so as to ensure that the included angle between the central line of each crawling wheel 12 and the axis of the steel pipe 5 to be tested can be adjusted.
The central lines of the crawling wheels 12 are parallel to each other;
the flaw detection device 2 is fixed on the self-crawling mechanism 1, and can move along with the self-crawling mechanism 1 on the steel pipe 5 to be detected along the axial direction of the steel pipe 5 to be detected, so that flaw detection is performed on the steel pipe 5 to be detected.
The rotating mechanism 3 comprises a supporting seat 32, a magnetic suction cup 34, a roller 33 and a driving device 35, and a space for the steel pipe 5 to be tested to pass through the supporting seat 32 is arranged on the supporting seat 32. Wherein, the magnetic chuck 34 is fixed on the supporting seat 32 for adsorbing the steel pipe 5 to be tested. The roller 33 is driven by the driving device 35 to rotate so as to drive the steel pipe 5 to be tested to rotate. Preferably, the number of the rollers 33 is two, the central lines of the two rollers 33 are parallel to clamp the steel pipe 5 to be tested, the driving device 35 drives any one of the rollers 33 to rotate, so as to drive the steel pipe 5 to be tested to rotate, and the two rollers 33 can enable the steel pipe 5 to be tested to rotate more stably.
Further, be provided with the curved surface that is convenient for laminate steel pipe 5 that awaits measuring on the magnetic chuck 34, increase magnetic chuck 34 and the area of contact of the steel pipe 5 that awaits measuring are in order to be used for increasing the adsorption affinity for the rotation of steel pipe is more stable.
Further, detection device 2 detects a flaw includes water tank 26, catch basin 28, ultrasonic detection probe 21 and water supply installation, and wherein, water tank 26 and base 16 fixed connection, catch basin 28 and water supply installation all set up in the water tank 26, detection device 2's weight of detecting a flaw can be guaranteed to be from crawling mechanism 1 and be helical motion for the steel pipe 5 that awaits measuring under the drive of the steel pipe 5 that awaits measuring, also can guarantee that water tank 26 can not topple over along the axial motion of the steel pipe 5 that awaits measuring under the drive of crawling mechanism 1.
The water storage tank 28 is provided with a water inlet hole for water injection so as to keep the water level in the water storage tank 28 stable, so that the steel pipe 5 to be measured is always in contact with the water in the water storage tank 28, and a better measurement result is obtained. Wherein, the water supply device comprises a water supply pipe 22 and a water pump 23, and two ends of the water supply pipe 22 are respectively connected with the water inlet of the water storage tank 28 and the water pump 23.
Further, the ultrasonic detection probe 21 is fixed in the water storage tank 28 to be used for detecting the steel pipe to be detected. The ultrasonic detection probe 21 is preferably arranged directly below the steel pipe 5 to be measured.
Further, the climbing wheels 12 are rubber-coated wheels, so that the vibration of the self-climbing mechanism 1 during movement is relieved, the wear resistance is enhanced, and the service life of the self-climbing mechanism 1 is prolonged while the stability is improved.
Further, the device comprises a lifting mechanism for driving the rotating mechanism 3 to lift, so that the height of the steel pipe 5 to be measured can be adjusted, and the self-crawling mechanism 1 can operate on the surface of the steel pipe 5 to be measured without obstacles.
Further, the water storage tank 28 is mounted on the inner wall of the water tank 26 through a rocker arm 29 and two fixing plates 24, the fixing plates are fixed on the rocker arm 29 through a pin shaft 25, each end of the rocker arm 29 is connected with the inner wall of the water tank 26 through one fixing plate 24, and the rocker arm 29 is hinged with the water storage tank 28 through a hinge shaft 27. The structure enables the position of the water storage tank 28 to be flexibly adjusted and has a certain degree of freedom of rotation.
Further, the top of the water storage tank 28 is provided with an arc-shaped notch, so that the steel pipe 5 to be detected is immersed in the water storage tank 28, and the ultrasonic detection effect is improved.
Furthermore, the movable hydraulic trolley adopted by the lifting mechanism is light in weight and small in weight, so that the mass of the detection system is reduced on the whole, and the volume of the detection system is reduced.
Further, still including being used for placing the support rack 4 of the steel pipe 5 that awaits measuring, this support rack 4 is including supporting base and support column, the support base passes through the support column bearing to be used for keeping the horizontal setting of the steel pipe 5 that awaits measuring, be convenient for by the absorption snatch.
The principle of ultrasonic flaw detection is as follows: the ultrasonic probe generates ultrasonic waves under the action of an excitation source, the ultrasonic sound beams are transmitted by taking water as a medium, after the ultrasonic sound beams enter the steel pipe, the ultrasonic waves in the steel pipe are reflected after encountering defects, reflected waves are received by the probe and then converted into electric signals, and the electric signals are amplified by a receiving circuit, filtered and subjected to A/D conversion and then displayed on a computer data processing system. In the steel pipe flaw detection process, the sound source axis of the ultrasonic probe is ensured to be perpendicular to the surface of the steel pipe, the relative distance is stable and unchanged, the detection sensitivity can be improved, and meanwhile, the reliability and the stability of defect detection are improved.
The utility model discloses a rotatory ultrasonic inspection system of steel pipe from walking's working process as follows:
1) the steel pipe 5 to be detected is placed on the support rack 4, the steel pipe 5 to be detected penetrates through the self-crawling mechanism 1 and the water tank 26 of the flaw detection device 2, and the rotating mechanism 3 is lowered through the lifting mechanism to enable the steel pipe 5 to be detected placed on the support rack 4 to be adsorbed on the surface of the magnetic sucker 34; then the lifting mechanism drives the rotating mechanism 3 and the steel pipe 5 to be measured to ascend together, so that the steel pipe 5 to be measured leaves the support rack 4;
2) the driving device 35 in the rotating mechanism 3 drives the roller wheel 33 to rotate, so as to drive the steel pipe 5 to be tested to rotate, and because the included angle between the central line of the crawling wheel 12 and the axis of the steel pipe 5 to be tested is greater than 0 degree and smaller than 90 degrees, the rotation of the steel pipe 5 to be tested also drives the crawling wheel 12 to crawl on the surface of the steel pipe 5 to be tested (the steel pipe 5 to be tested which rotates relatively spirally advances). The ultrasonic detection probe 21 in the water storage tank 28 also moves along with the self-crawling mechanism 1, so that flaw detection of the steel pipe 5 to be detected is realized.
3) After the detection is finished, the power supply is turned off, the lifting trolley 31 descends to place the steel pipe which is detected on the support rack 4, the magnetic force of the magnetic suction disc 34 is unloaded, the steel pipe is placed on the support rack 4, and then the lifting trolley 31 drives the rotating mechanism 3 to ascend and retreat from one end of the steel pipe from the crawling mechanism 1.
4) And all the parts are reset, and the next steel pipe is detected.
The utility model discloses a detect and all adopt wireless communication with control signal, the signal adopts wireless communication, can satisfy the automatic demand that detects of the steel pipe that awaits measuring. The utility model discloses showing and improving detection efficiency, avoiding lou examining, being applicable to the steel pipe of different specifications, the commonality is strong, and testing process easy operation easily realizes high-speed automation in addition, and the system is independently innovative high, the cost is low, has wide market perspective.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a rotatory ultrasonic inspection system of steel pipe from walking, includes from crawling mechanism, detection device and rotary mechanism of detecting a flaw, its characterized in that:
the self-crawling mechanism comprises a base and more than three crawling wheel assemblies, a through hole is formed in the position, corresponding to each crawling wheel assembly, of the base, and the crawling wheel assemblies are arranged in two rows;
for each group of crawling wheel assemblies, each crawling wheel assembly comprises a wheel mounting seat, an angle adjusting piece and a crawling wheel, each angle adjusting piece comprises a locking nut, one end of each wheel mounting seat penetrates through a through hole in the base and then is connected with the locking nut, so that the wheel mounting seats are locked on the base, and the crawling wheels are fixedly mounted on the wheel mounting seats and used for crawling on the outer surface of the steel pipe to be tested;
the central lines of the crawling wheels are parallel to each other;
the flaw detection device is fixed on the self-crawling mechanism;
rotary mechanism includes supporting seat, magnetic chuck, running roller and drive arrangement, be provided with the space that the steel pipe that is convenient for await measuring passes this supporting seat on the supporting seat, the magnetic chuck is fixed in order to be used for adsorbing the steel pipe that awaits measuring on the supporting seat, the running roller is installed on the supporting seat and is passed through the drive arrangement drive rotates to the steel pipe that drives and awaits measuring rotates.
2. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the base is provided with a plurality of positioning holes in the circumferential direction of each through hole, the angle adjusting piece further comprises positioning bolts, and each positioning bolt penetrates through one positioning hole and then is connected with the wheel mounting seat.
3. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the magnetic sucker is provided with a curved surface convenient for fitting the steel pipe to be tested.
4. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the flaw detection device comprises a water tank, a water storage tank, an ultrasonic detection probe and a water supply device;
the water tank is fixedly connected with the base;
the water storage tank and the water supply device are both arranged in the water tank;
a water inlet hole is formed in the water storage tank;
the ultrasonic detection probe is fixed in the water storage tank;
the water supply device comprises a water supply pipe and a water pump, and two ends of the water supply pipe are respectively connected with the water inlet of the water storage tank and the water pump.
5. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the climbing wheel is a rubber-coated wheel, and an included angle between the central line of the climbing wheel and the axis of the steel pipe to be measured is adjusted through the angle adjusting part.
6. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the lifting mechanism is used for driving the rotating mechanism to lift.
7. The self-propelled steel pipe rotary ultrasonic inspection system of claim 4, wherein: the water storage tank is installed on the inner wall of the water tank through a rocker arm and two fixing plates, each end of the rocker arm is connected with the inner wall of the water tank through one fixing plate, and the rocker arm is hinged to the water storage tank through a hinge shaft.
8. The self-propelled steel pipe rotary ultrasonic inspection system of claim 4, wherein: the top of catch basin is provided with curved breach to let the steel pipe that awaits measuring immerse in the aquatic in the catch basin.
9. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the two rollers are arranged on the two sides of the magnetic sucker in a bilateral symmetry mode and used for clamping the steel pipe to be tested.
10. The self-propelled steel pipe rotary ultrasonic inspection system of claim 1, wherein: the support platform comprises a support base and a support column, and the support base is supported by the support column.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022808695.XU CN214201286U (en) | 2020-11-27 | 2020-11-27 | Self-walking steel pipe rotating ultrasonic flaw detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022808695.XU CN214201286U (en) | 2020-11-27 | 2020-11-27 | Self-walking steel pipe rotating ultrasonic flaw detection system |
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| CN214201286U true CN214201286U (en) | 2021-09-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440805A (en) * | 2022-01-26 | 2022-05-06 | 武汉华宇一目检测装备有限公司 | Electromagnetic ultrasonic thickness measuring device and method for drill pipe |
| CN115406965A (en) * | 2022-08-31 | 2022-11-29 | 广州吉祥设备租赁有限公司 | Steel pipe climbing frame quality detection device |
-
2020
- 2020-11-27 CN CN202022808695.XU patent/CN214201286U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440805A (en) * | 2022-01-26 | 2022-05-06 | 武汉华宇一目检测装备有限公司 | Electromagnetic ultrasonic thickness measuring device and method for drill pipe |
| CN114440805B (en) * | 2022-01-26 | 2024-01-02 | 武汉华宇一目检测装备有限公司 | Electromagnetic ultrasonic thickness measuring device and thickness measuring method for drill rod |
| CN115406965A (en) * | 2022-08-31 | 2022-11-29 | 广州吉祥设备租赁有限公司 | Steel pipe climbing frame quality detection device |
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