CN211318307U - Automatic feeding contact type ultrasonic nondestructive flaw detection device - Google Patents
Automatic feeding contact type ultrasonic nondestructive flaw detection device Download PDFInfo
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- CN211318307U CN211318307U CN201922193258.9U CN201922193258U CN211318307U CN 211318307 U CN211318307 U CN 211318307U CN 201922193258 U CN201922193258 U CN 201922193258U CN 211318307 U CN211318307 U CN 211318307U
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Abstract
The utility model belongs to the technical field of the rod is detected a flaw, especially, relate to an automatic pay-off contact ultrasonic wave nondestructive inspection device. The utility model discloses, including a plurality of pay-off bases, the pay-off base on the rotatable pay-off roller bearing that is equipped with, be parallel to each other between two adjacent pay-off roller bearings. The utility model discloses a set up the pay-off roller bearing, can treat the rod that detects and carry out the back-and-forth movement, need not the manual work and promote the rod, time saving and labor saving, in the removal process, detect a flaw through detecting a flaw the head to the rod, through setting up the spring, utilize the spring action, ensure at the in-process of detecting a flaw, detect a flaw the head and keep closely laminating with the rod all the time, avoid because when the straightness accuracy of rod itself is not good, detect a flaw the head can't closely laminate with the rod, the accuracy of detecting a flaw has been improved, the accessible clamp pipe subassembly carries out 360 degrees rotations to the rod simultaneously, the flaw detection at global no dead angle has been ensured.
Description
Technical Field
The utility model belongs to the technical field of the rod is detected a flaw, a autoloading contact ultrasonic wave nondestructive inspection device is related to.
Background
The forging is a metal part with certain mechanical property, certain shape and size obtained by forging and pressing a metal blank, the forging and pressing processing can ensure the continuity of metal fiber tissue, the fiber tissue of the forging is consistent with the appearance of the forging, the metal streamline is complete, and the part can be ensured to have good mechanical property and certain service life. The defects of the forgings can be divided into casting defects, forging defects and heat treatment defects according to the processing and forming process of the forgings. The forging defects mainly comprise folding, white spots, cracks and the like. A forge piece for aeronautical medical treatment class must carry out nondestructive test before coming into operation, but because rod forge piece often length is great, and the rod footpath model is of a great variety and dead weight is great, current flaw detection equipment adopts hand-held type appearance of detecting a flaw to detect mostly, degree of automation and efficiency are lower, can't ensure to detect a flaw to the whole face of rod forge piece, appear laminating untight condition easily at the in-process of detecting a flaw, the accuracy of detecting a flaw has been reduced.
In order to overcome the defects of the prior art, people continuously explore and propose various solutions, for example, a Chinese patent discloses a bar flaw detection device [ application number: 201610533342.9], the controller comprises a controller, the walking car, connecting rod and flaw detector, the walking car includes automobile body and walking wheel, the automobile body is cylindrically, the walking wheel is four at least and distributes in the automobile body both sides, the walking wheel centre of a circle and automobile body central line are in same rectilinear direction, the inside travel drive mechanism that establishes in addition of automobile body, travel drive mechanism is connected with the walking wheel, automobile body surface equipartition connecting hole, and through connecting hole and connecting rod end-to-end connection, the connecting rod is telescopic rod structure, the flaw detector includes the controller and detects a flaw the head, wherein it is located the connecting rod top to detect a flaw the head, the controller inlays on the controller, and be connected with the flaw detection head through the wire, the controller is connected with. The novel bar material detection device has the characteristics of simple structure, small size, convenience in carrying and operation, low running energy consumption, high detection precision, convenience in reading detection results and wide detection application range, and can be widely applied to the requirements of field flaw detection operation of various outdoor bars. However, the scheme still has the defects that the whole circumference of the bar cannot be ensured to be inspected, the situation of untight adhesion is easy to occur in the inspection process, and the inspection accuracy is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a autoloading contact ultrasonic wave nondestructive inspection device is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides an autoloading contact ultrasonic wave nondestructive inspection device, includes a plurality of pay-off bases, the pay-off base on the rotatable pay-off roller bearing that is equipped with, two adjacent pay-off roller bearings between be parallel to each other, the pay-off base on be equipped with the base of detecting a flaw, the base top of detecting a flaw be equipped with the head of detecting a flaw, head bottom of detecting a flaw be equipped with the spring, the pay-off base on still be equipped with a plurality of rotatable double-layered pipe subassemblies, the position of double-layered pipe subassembly and pay-off roller bearing.
In foretell autoloading contact ultrasonic wave nondestructive inspection device, the double-layered pipe subassembly including setting up two double-layered pipe bases on the pay-off base, double-layered pipe base in rotatable double-layered pipe rotation piece that is equipped with, double-layered pipe rotation piece in be equipped with two tip clamping rods along double-layered pipe rotation piece central line symmetry, double-layered pipe rotation piece in still be equipped with two lateral part clamping rods along double-layered pipe rotation piece central line symmetry.
In the automatic feeding contact type ultrasonic nondestructive inspection device, the axial lead of the side clamping rod is perpendicular to the axial lead of the end clamping rod, and the side clamping rod and the end clamping rod can do linear reciprocating motion along one end close to or far away from the central point of the clamping tube rotating block.
In the automatic feeding contact type ultrasonic nondestructive inspection device, an end clamping rod linear driver is arranged in the clamping tube rotating block, a power shaft of the end clamping rod linear driver is connected with the end clamping rod, a side clamping rod linear driver is further arranged in the clamping tube rotating block, and the power shaft of the side clamping rod linear driver is connected with the side clamping rod.
In foretell autoloading contact ultrasonic wave nondestructive inspection device, two adjacent pay-off rollers are located same level, the cross-sectional area of pay-off roller diminish to the center by both ends gradually, the pay-off base on be equipped with roller circumference rotating device, roller circumference rotating device's axis of rotation link to each other with the pay-off roller.
In the above-mentioned automatic feeding contact ultrasonic nondestructive inspection device, the height of the central point of the clamp tube rotating block is higher than the height of the feeding roller, a clamp tube rotating block driving motor is arranged in the clamp tube base, and the rotating shaft of the clamp tube rotating block driving motor is connected with the clamp tube rotating block.
In the automatic feeding contact type ultrasonic nondestructive inspection device, the top of the inspection base is provided with an inspection slide rail, the bottom of the inspection head is provided with an inspection sliding table, and the inspection sliding table is in sliding fit with the inspection slide rail.
In the automatic feeding contact type ultrasonic nondestructive inspection device, the spring is positioned between the inspection head and the inspection sliding table, the bottom of the inspection head extends into the inspection sliding table, and the inspection head is in sliding fit with the inspection sliding table.
In foretell autoloading contact ultrasonic wave nondestructive inspection device, spring top and the cooperation of detecting a flaw head bottom butt, spring bottom and the cooperation of detecting a flaw slip table top butt, the central line of slide rail and the axial lead of pay-off roller bearing of detecting a flaw be parallel to each other.
In the above-described automatic feeding contact-type ultrasonic nondestructive inspection apparatus, two adjacent end portion clamping bars are parallel to each other, and two adjacent side portion clamping bars are parallel to each other.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a set up the pay-off roller bearing, can treat the rod that detects and carry out the back-and-forth movement, need not the manual work and promote the rod, time saving and labor saving, in the removal process, detect a flaw through detecting a flaw the head to the rod, through setting up the spring, utilize the spring action, ensure at the in-process of detecting a flaw, detect a flaw the head and keep closely laminating with the rod all the time, avoid because when the straightness accuracy of rod itself is not good, detect a flaw the head can't closely laminate with the rod, the accuracy of detecting a flaw has been improved, the accessible clamp pipe subassembly carries out 360 degrees rotations to the rod simultaneously, the flaw detection at global no dead angle has been ensured.
2. The utility model discloses a set two adjacent pay-off roller bearings to being located same level, ensure to remove the in-process of rod in the transportation, the rod can not take place the slope, has ensured the area of contact of rod and the head of detecting a flaw, and the cross-sectional area of pay-off roller bearing diminishes to the center by both ends gradually simultaneously for the pay-off roller bearing is interior sunken shape, more convenient in placing and transporting the rod.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a feeding base.
FIG. 3 is a schematic structural view of a flaw detection base.
FIG. 4 is a schematic structural view of the pinch tube assembly.
In the figure: the device comprises a feeding base 1, a feeding roller 2, a flaw detection base 3, a flaw detection head 4, a spring 5, a pipe clamping assembly 6, a pipe clamping base 7, a pipe clamping rotating block 8, an end clamping rod 9, a side clamping rod 10, an end clamping rod linear driver 11, a side clamping rod linear driver 12, a roller circumferential rotator 13, a flaw detection slide rail 14 and a flaw detection sliding table 15.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, an automatic feeding contact type ultrasonic nondestructive inspection device, includes a plurality of feeding bases 1, feeding bases 1 on the rotatable feeding roller 2 that is equipped with, two adjacent feeding roller 2 are parallel to each other, feeding bases 1 on be equipped with the base 3 of detecting a flaw, 3 tops of base of detecting a flaw be equipped with the head 4 of detecting a flaw, 4 bottoms of head of detecting a flaw be equipped with spring 5, feeding bases 1 on still be equipped with a plurality of rotatable double-layered pipe subassemblies 6, double-layered pipe subassembly 6 corresponding with feeding roller 2's position.
In the embodiment, the operator places the bar to be detected in the pipe clamping assembly 6 and moves the bar back and forth through the rotation of the feeding roller 2 without pushing the bar manually, so that time and labor are saved, in the moving process, the flaw detection head 4 is used for detecting the flaw of the bar, the spring 5 is arranged, the elastic force action of the spring 5 is utilized to ensure that the flaw detection head 4 is always tightly attached to the bar in the flaw detection process, the defect that the flaw detection head cannot be tightly attached to the bar when the straightness of the bar is poor is avoided, the flaw detection accuracy is improved, meanwhile, the bar can be rotated by 360 degrees through the pipe clamping assembly 6, so that flaw detection without dead angles on the whole circumferential surface is ensured, the automation degree and the production efficiency are high, and a skilled person in the art can understand that the flaw detection head 4 can adopt a phased array ultrasonic detector sold by Desson electronics, Suzhou.
Referring to fig. 1 and 4, the pipe clamping assembly 6 includes two pipe clamping bases 7 disposed on the feeding base 1, a pipe clamping rotating block 8 is rotatably disposed in the pipe clamping base 7, two end clamping rods 9 symmetrical along the center line of the pipe clamping rotating block 8 are disposed in the pipe clamping rotating block 8, and two side clamping rods 10 symmetrical along the center line of the pipe clamping rotating block 8 are further disposed in the pipe clamping rotating block 8.
Specifically, when the bar in the pipe clamping rotating block 8 needs to be clamped, the end clamping rod 9 and the side clamping rod 10 are moved to one end close to the central point of the pipe clamping rotating block 8 through synchronous movement, the bar is clamped, the clamped bar is rotated by rotating the pipe clamping rotating block 8, the flaw detection without dead angles on the whole circumferential surface is ensured, and the automation degree and the production efficiency are high.
Referring to fig. 1 and 4, the axial line of the side clamping bar 10 is perpendicular to the axial line of the end clamping bar 9, and the side clamping bar 10 and the end clamping bar 9 can reciprocate linearly along one end close to or far from the center point of the tube clamping rotating block 8.
In this embodiment, the axial line of the lateral clamping bar 10 is perpendicular to the axial line of the end clamping bar 9, so that the bar is clamped well, and meanwhile, the bar is prevented from being angularly displaced in the clamping process, and the clamping accuracy is improved.
Referring to fig. 4, an end clamping rod linear driver 11 is arranged in the clamping tube rotating block 8, a power shaft of the end clamping rod linear driver 11 is connected with the end clamping rod 9, a side clamping rod linear driver 12 is further arranged in the clamping tube rotating block 8, and a power shaft of the side clamping rod linear driver 12 is connected with the side clamping rod 10.
In this embodiment, when the end clamping rod 9 needs to be moved, the end clamping rod linear actuator 11 is started, the power shaft of the end clamping rod linear actuator 11 drives the end clamping rod 9 to move along the linear direction, and when the side clamping rod 10 needs to be moved, the side clamping rod linear actuator 12 is started, and the power shaft of the side clamping rod linear actuator 12 drives the side clamping rod 10 to move along the linear direction.
As shown in fig. 1 and 2, two adjacent feeding rollers 2 are located at the same horizontal height, the cross-sectional area of the feeding rollers 2 is gradually reduced from two ends to the center, the feeding base 1 is provided with a roller circumferential rotator 13, and the rotating shaft of the roller circumferential rotator 13 is connected with the feeding rollers 2.
In this embodiment, two adjacent feeding rollers 2 are located same level, ensure that the in-process of transporting the removal rod, the rod can not take place the slope, has ensured the area of contact of rod and the head of detecting a flaw, and feeding rollers 2's cross-sectional area diminishes to the center by both ends gradually for feeding rollers 2 is interior sunken shape, more convenient in placing and transporting the rod. When the feeding roller 2 needs to be rotated, the roller circumference rotator 13 is started, and the feeding roller 2 is driven to rotate by the rotating shaft of the roller circumference rotator 13, and it should be understood by those skilled in the art that the roller circumference rotator 13 may be a motor or a rotating cylinder.
Referring to fig. 1, the height of the central point of the tube clamping rotating block 8 is higher than that of the feeding roller 2, a tube clamping rotating block driving motor is arranged in the tube clamping base 7, and the rotating shaft of the tube clamping rotating block driving motor is connected with the tube clamping rotating block 8.
In this embodiment, the height that highly is higher than pay-off roller bearing 2 of the central point of pressing from both sides the rotatory piece 8 of pipe, ensure to send into to press from both sides the interior rod of the rotatory piece 8 of pipe and be located pay-off roller bearing 2 top all the time, just can convenient removal rod through rotating pay-off roller bearing 2, when needs rotate the rotatory piece 8 of pressing from both sides the pipe, start the rotatory piece driving motor of pressing from both sides the pipe, the axis of rotation through pressing from both sides the rotatory piece driving motor of pipe drives the rotatory piece 8 of pressing from both sides the pipe and rotates, realize 360 degrees rotations to the rod, ensure.
As shown in fig. 1 and 3, the top of the flaw detection base 3 is provided with a flaw detection slide rail 14, the bottom of the flaw detection head 4 is provided with a flaw detection slide table 15, and the flaw detection slide table 15 is in sliding fit with the flaw detection slide rail 14.
In this embodiment, when the horizontal position of the flaw detection head 4 needs to be adjusted, the flaw detection head 4 can be driven to adjust the position by moving the flaw detection sliding table 15, and the flaw detection sliding rail 14 plays a limiting role in the flaw detection sliding table 15 and the flaw detection head 4, so that the angle deviation of the flaw detection sliding table 15 and the flaw detection head 4 is avoided in the moving process.
Referring to fig. 3, the spring 5 is located between the flaw detection head 4 and the flaw detection sliding table 15, the bottom of the flaw detection head 4 extends into the flaw detection sliding table 15, and the flaw detection head 4 is in sliding fit with the flaw detection sliding table 15.
In this embodiment, the head 4 bottom of detecting a flaw extends to and lets in to the slip table 15 of detecting a flaw in and detect a flaw head 4 and the slip table 15 sliding fit of detecting a flaw for detect a flaw head 4 can carry out the displacement adjustment along vertical direction, recycle spring 5's elastic force effect, make the head 4 of detecting a flaw keep closely laminating with the rod all the time.
With reference to fig. 1 and 3, the top end of the spring 5 is in butt fit with the bottom of the flaw detection head 4, the bottom end of the spring 5 is in butt fit with the top of the flaw detection sliding table 15, the central line of the flaw detection sliding rail 14 is parallel to the axial line of the feeding roller 2, and the horizontal moving position of the flaw detection head 4 is ensured to be always parallel to the feeding roller 2.
As shown in fig. 1 and 4, two adjacent end clamping rods 9 are parallel to each other, and two adjacent side clamping rods 10 are parallel to each other, so that the end clamping rods 9 and the side clamping rods 10 form a square clamping mechanism during bar material clamping, and the clamping effect is good.
The utility model discloses a theory of operation is:
a worker places a bar to be detected in a clamping pipe rotating block 8, a roller circumferential rotator 13 is started, a feeding roller 2 is driven to rotate through a rotating shaft of the roller circumferential rotator 13, the bar is moved back and forth through the rotation of the feeding roller 2 without manually pushing the bar, time and labor are saved, flaw detection is carried out on the bar through a flaw detection head 4 in the moving process, the spring 5 is arranged, the elastic action of the spring 5 is utilized, the flaw detection head 4 is ensured to be always tightly attached to the bar in the flaw detection process, the phenomenon that the flaw detection head cannot be tightly attached to the bar when the straightness of the bar is poor is avoided, the flaw detection accuracy is improved, when the end clamping bar 9 needs to be moved, an end clamping bar linear driver 11 is started, a power shaft of the end clamping bar linear driver 11 drives the end clamping bar 9 to move in the linear direction, and when the side clamping bar 10 needs to be moved, and starting the lateral clamping bar linear driver 12, driving the lateral clamping bar 10 to move along the linear direction through a power shaft of the lateral clamping bar linear driver 12, and clamping the bar material through a square clamping mechanism formed by the end clamping bar 9 and the lateral clamping bar 10.
When the rotating clamping pipe block 8 needs to be rotated, the rotating clamping pipe block driving motor is started, the rotating shaft of the rotating clamping pipe block driving motor drives the rotating clamping pipe block 8 to rotate, 360-degree rotation of the bar is achieved, flaw detection of the whole circumferential surface without dead angles is guaranteed, and the automation degree and the production efficiency are high.
Two adjacent pay-off roller bearing 2 are located same level, ensure to remove the in-process of rod in the transportation, and the rod can not take place the slope, has ensured the area of contact of rod and the head of detecting a flaw, and pay-off roller bearing 2's cross-sectional area diminishes to the center by both ends gradually for pay-off roller bearing 2 is interior sunken shape, more convenient in placing and transporting the rod.
When the horizontal position of the flaw detection head 4 needs to be adjusted, the flaw detection head 4 can be driven to adjust the position by moving the flaw detection sliding table 15, and the flaw detection sliding rail 14 plays a limiting role in the flaw detection sliding table 15 and the flaw detection head 4, so that the phenomenon that the angles of the flaw detection sliding table 15 and the flaw detection head 4 deviate in the moving process is avoided.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.
Although the terms of the feeding base 1, the feeding roller 2, the inspection base 3, the inspection head 4, the spring 5, the tube clamping assembly 6, the tube clamping base 7, the tube clamping rotation block 8, the end clamping bar 9, the side clamping bar 10, the end clamping bar linear driver 11, the side clamping bar linear driver 12, the roller circumferential rotator 13, the inspection slide 14, the inspection slide 158, etc., are used more extensively herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention and should not be interpreted as imposing any additional limitations that are contrary to the spirit of the present invention.
Claims (10)
1. The utility model provides an autoloading contact ultrasonic wave nondestructive inspection device, includes a plurality of pay-off bases (1), pay-off base (1) on the rotatable pay-off roller bearing (2) that is equipped with, its characterized in that is parallel to each other between two pay-off roller bearings (2) adjacent, pay-off base (1) on be equipped with base (3) of detecting a flaw, base (3) top of detecting a flaw be equipped with the head of detecting a flaw (4), head (4) bottom of detecting a flaw be equipped with spring (5), pay-off base (1) on still be equipped with a plurality of rotatable double-layered pipe subassemblies (6), the position of double-layered pipe subassembly (6) and pay-off roller bearing (2) corresponding.
2. The automatic feeding contact type ultrasonic nondestructive inspection device of claim 1, wherein the tube clamping assembly (6) comprises two tube clamping bases (7) arranged on the feeding base (1), a tube clamping rotating block (8) is rotatably arranged in each tube clamping base (7), two end clamping rods (9) symmetrical along the center line of the tube clamping rotating block (8) are arranged in each tube clamping rotating block (8), and two side clamping rods (10) symmetrical along the center line of the tube clamping rotating block (8) are further arranged in each tube clamping rotating block (8).
3. The automatic feeding contact type ultrasonic nondestructive inspection apparatus according to claim 2, wherein the axis of the side clamping bar (10) and the axis of the end clamping bar (9) are perpendicular to each other, and the side clamping bar (10) and the end clamping bar (9) are linearly reciprocated toward or away from the center point of the tube clamping rotary block (8).
4. The automatic feeding contact type ultrasonic nondestructive inspection apparatus according to claim 3, wherein an end clamp bar linear driver (11) is provided in the clamp tube rotating block (8), a power shaft of the end clamp bar linear driver (11) is connected to the end clamp bar (9), a side clamp bar linear driver (12) is further provided in the clamp tube rotating block (8), and a power shaft of the side clamp bar linear driver (12) is connected to the side clamp bar (10).
5. The automatic feeding contact type ultrasonic nondestructive inspection device according to claim 1, wherein two adjacent feeding rollers (2) are located at the same level, the cross-sectional area of each feeding roller (2) is gradually reduced from both ends to the center, a roller circumferential rotator (13) is arranged on the feeding base (1), and the rotating shaft of the roller circumferential rotator (13) is connected with the feeding rollers (2).
6. The automatic feeding contact type ultrasonic nondestructive inspection apparatus according to claim 2, wherein the height of the center point of the tube clamping rotation block (8) is higher than the height of the feeding roller (2), a tube clamping rotation block driving motor is provided in the tube clamping base (7), and the rotation shaft of the tube clamping rotation block driving motor is connected to the tube clamping rotation block (8).
7. The automatic feeding contact type ultrasonic nondestructive inspection device according to claim 1, wherein a flaw detection slide rail (14) is arranged at the top of the flaw detection base (3), a flaw detection sliding table (15) is arranged at the bottom of the flaw detection head (4), and the flaw detection sliding table (15) is in sliding fit with the flaw detection slide rail (14).
8. The automatic feeding contact type ultrasonic nondestructive inspection device according to claim 7 is characterized in that the spring (5) is positioned between the inspection head (4) and the inspection sliding table (15), the bottom of the inspection head (4) extends into the inspection sliding table (15), and the inspection head (4) is in sliding fit with the inspection sliding table (15).
9. The automatic feeding contact type ultrasonic nondestructive inspection device of claim 8, wherein the top end of the spring (5) is in butt fit with the bottom of the inspection head (4), the bottom end of the spring (5) is in butt fit with the top of the inspection sliding table (15), and the central line of the inspection sliding rail (14) is parallel to the axial line of the feeding roller (2).
10. The autoloading contact ultrasonic nondestructive inspection apparatus of claim 2, wherein adjacent two of the end clamp bars (9) are parallel to each other, and adjacent two of the side clamp bars (10) are parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193258.9U CN211318307U (en) | 2019-12-09 | 2019-12-09 | Automatic feeding contact type ultrasonic nondestructive flaw detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193258.9U CN211318307U (en) | 2019-12-09 | 2019-12-09 | Automatic feeding contact type ultrasonic nondestructive flaw detection device |
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| Publication Number | Publication Date |
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| CN211318307U true CN211318307U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922193258.9U Active CN211318307U (en) | 2019-12-09 | 2019-12-09 | Automatic feeding contact type ultrasonic nondestructive flaw detection device |
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| Country | Link |
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| CN (1) | CN211318307U (en) |
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- 2019-12-09 CN CN201922193258.9U patent/CN211318307U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Automatic feeding contact ultrasonic nondestructive testing device Effective date of registration: 20220329 Granted publication date: 20200821 Pledgee: Agricultural Bank of China Limited by Share Ltd. South Lake branch Pledgor: Zhejiang aobamei new materials Co.,Ltd. Registration number: Y2022330000422 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |