CN212514397U - Phased array ultrasonic detection device of fan bolt - Google Patents
Phased array ultrasonic detection device of fan bolt Download PDFInfo
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- CN212514397U CN212514397U CN202020678560.3U CN202020678560U CN212514397U CN 212514397 U CN212514397 U CN 212514397U CN 202020678560 U CN202020678560 U CN 202020678560U CN 212514397 U CN212514397 U CN 212514397U
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Abstract
The utility model relates to a phased array ultrasonic testing device of fan bolt for detect fan bolt crackle, the both ends of fan bolt set up the external screw thread respectively, the device include the base and set up ultrasonic wave phased array detector, locating hole and scanning detection subassembly on the base respectively, the degree of depth and the diameter of locating hole mutually support with the fan bolt for fixed fan bolt, the scanning detection subassembly including phased array probe, rotary unit and the lift unit that connects gradually, phased array probe just right each other with the locating hole, and be connected with ultrasonic wave phased array detector through the connecting wire, the lift unit install on the base and compare with prior art, the utility model has the advantages of improve detection accuracy and detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of fan bolt crackle detects and specifically relates to a phased array ultrasonic testing device of fan bolt is related to.
Background
In recent years, the wind power generation industry of new energy in China is rapidly developed, and wind power generator sets are gradually developed towards large-scale. In the assembly process of the wind power generation set, the components are connected by high-strength bolts in the most used connection mode, and the bolts of the wind power generation set are easily subjected to fatigue cracks under the action of periodic loads in long-term operation, so that the safe use of the wind power generation set is influenced. In the fan maintenance process, the detection of the bolt is an indispensable link.
When the bolt is detected, the detection part is the whole bolt, wherein the part of the bolt which is easy to crack needs to be mainly detected, and the defects of the product generated in the processing and the use are required to be detected. The ultrasonic wave propagates in the form of guided wave in the steel pole, namely ultrasonic cylindrical guided wave, combines the imaging function of specific instrument, can fix a position the defect with echo propagation time to the typewriter ribbon that echo amplitude corresponds comes to the defect ration, realizes utilizing the pulse reflection method to accomplish the detection, and bolt both ends head is comparatively level and smooth, is fit for the ultrasonic wave incident, can effectively improve detection efficiency. In the phased array detection process, bolts which are evenly coated with the special ultrasonic couplant need to be vertically fixed, probes need to be fixedly placed at any end of the bolts, and no special device exists at present and is used for phased array detection of fan bolts.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan bolt phased array ultrasonic testing device who improves detection precision and detection efficiency in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a phased array ultrasonic testing device of fan bolt for detect fan bolt crackle, the both ends of fan bolt set up the external screw thread respectively, the device include the base and set up ultrasonic wave phased array detector, locating hole and the scanning detection subassembly on the base respectively, the degree of depth and the diameter of locating hole mutually support with the fan bolt for fixed fan bolt, the scanning detection subassembly including phased array probe, rotary unit and the lift unit that connects gradually, phased array probe just right each other with the locating hole, and be connected with ultrasonic wave phased array detector through the connecting wire, the lift unit install on the base.
Preferably, the inner wall of the bottom of the positioning hole is provided with an internal thread matched with the end part of the fan bolt, and during detection, the fan bolt is fixedly arranged in the positioning hole through the thread, and the fan bolt is fixed without moving, so that the detection precision is improved.
Further, the lift unit including the first support column, first cylinder and the elevating platform that connect gradually, first support column pass through the mount pad and install on the base, elevating platform and rotary unit fixed connection, first cylinder be the lift cylinder, drive rotary unit up-and-down motion through the elevating platform.
Further, the rotary unit include second support column, second cylinder and the swinging boom that connects gradually, second support column and elevating platform fixed connection, the phased array probe install in the tip of swinging boom, the second cylinder be revolving cylinder, control phased array probe uses the swinging boom to do arc motion as the radius.
The first cylinder and the second cylinder are matched together, the phased array probe is controlled by the first cylinder to move upwards through the degree of freedom in two directions before the fan bolt is detected, the phased array probe is controlled by the second cylinder to rotate by a set angle, such as 45 degrees, so that the phased array probe is not aligned to the positioning hole, and then the fan bolt which is uniformly coated with the ultrasonic special couplant is fixed in the positioning hole. And then the first cylinder and the second cylinder return to the detection position for detection.
When detecting, the phased array probe is placed in fan bolt tip department up, and the waveform that will obtain passes through the connecting wire and transmits to ultrasonic wave phased array detector, and ultrasonic wave phased array detector images the defect, makes things convenient for operating personnel to observe and the analysis.
Furthermore, the swinging boom including connect gradually integrated into one piece's cylinder installation department, connecting portion and probe installation department, cylinder installation department fixed mounting on the second cylinder, phased array probe installation on the probe installation department. Fan bolts of different sizes can be detected by adopting annular array probes of different diameters.
Further preferably, the diameter of the phased array probe is 2mm smaller than that of the fan bolt, and the detection effect is improved.
Further preferably, the rotation angle range of the second cylinder is 0-60 degrees, and the fan bolt is guaranteed not to be obstructed during installation and disassembly.
Further preferably, the depth of locating hole for 1/2 of fan bolt length, guarantee fan bolt fixed safety, improve and detect the precision.
Further preferably, the phased array probe is a 5P64-14 × 26 phased array ring array probe.
Further preferably, the ultrasonic phased array detector is an HSPA20-Ae type detector.
Compared with the prior art, the utility model has the advantages of it is following:
1) the utility model utilizes the combination of the ultrasonic phased array detector and the phased array ring array probe to position and image the defects of the fan bolt, can meet the detection requirements, is convenient for operators to observe, and improves the detection sensitivity;
2) the utility model discloses a first cylinder and second cylinder cooperate together, for the phased array probe through the degree of freedom of two directions, make things convenient for the fan bolt to install and dismantle before the detection and after the detection, and can pinpoint the detection position;
3) the utility model discloses set up at locating hole bottom inner wall with fan bolt tip complex internal thread, during the detection, the fan bolt sets up through thread tightening in the locating hole fixed wind motionless, improves and detects the precision.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a fan bolt.
Wherein: 1. the base, 2, mount pad, 3, first support column, 4, first cylinder, 5, elevating platform, 6, second support column, 7, second cylinder, 8, cylinder installation department, 9, connecting portion, 10, probe installation department, 11, phased array probe, 12, connecting wire, 13, ultrasonic wave phased array detector, 14, locating hole, 15, fan bolt.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example (b):
the utility model provides a phased array ultrasonic testing device of fan bolt for detect 15 crackles of fan bolt, the external screw thread is seted up respectively at the both ends of fan bolt 15.
As shown in fig. 1 and 2, the phased array ultrasonic detection device for the fan bolt comprises a base 1, and an ultrasonic phased array detector 13, a positioning hole 14 and a scanning detection assembly which are respectively arranged on the base 1, wherein the depth and the diameter of the positioning hole 14 are matched with the fan bolt 15, an internal thread matched with the end part of the fan bolt 15 is arranged on the inner wall of the bottom, and the fan bolt 15 is fixedly arranged in the positioning hole 14 through threads. In this embodiment, the depth of the positioning hole 14 is 1/2 of the length of the fan bolt 15.
The scanning detection assembly comprises a phased array probe 11, a rotating unit and a lifting unit which are connected in sequence. The phased array probe 11 is a 5P64-14 multiplied by 26 phased array ring array probe, the diameter of the phased array ring array probe is 2mm smaller than that of a fan bolt 15, the phased array probe is connected with an ultrasonic phased array detector 13 through a connecting wire 12, the obtained waveform is transmitted to the ultrasonic phased array detector 13 through the connecting wire 12, the ultrasonic phased array detector 13 images defects and presents the defects for observation and analysis of an operator, and the ultrasonic phased array detector 13 is an HSPA20-Ae type detector.
The lifting unit comprises a first support column 3, a first air cylinder 4 and a lifting platform 5 which are sequentially connected, the first support column 3 is installed on the base 1 through the installation seat 2, the lifting platform 5 is fixedly connected with the rotating unit, the first air cylinder 4 is a lifting air cylinder, and the rotating unit is driven to move up and down through the lifting platform 5;
the rotating unit comprises a second supporting column 6, a second air cylinder 7 and a rotating arm which are connected in sequence, the second supporting column 6 is fixedly connected with the lifting platform 5, the phased array probe 11 is installed at the end part of the rotating arm, the second air cylinder 7 is a rotating air cylinder, and the phased array probe 11 is controlled to do arc reciprocating motion in a range of 0-60 degrees by taking the rotating arm as a radius. The rotating arm comprises an air cylinder mounting part 8, a connecting part 9 and a probe mounting part 10 which are sequentially connected into a whole, the air cylinder mounting part 8 is fixedly mounted on the second air cylinder 7, and the phased array probe 11 is mounted on the probe mounting part 10.
When the rotation angle of the second cylinder is 0 °, the phased array probe 11 and the positioning hole 14 are opposite to each other.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a phased array ultrasonic testing device of fan bolt for detect fan bolt (15) crackle, the both ends of fan bolt (15) set up the external screw thread respectively, its characterized in that, include base (1) and set up ultrasonic phased array detector (13), locating hole (14) and scanning detection subassembly on base (1) respectively, the degree of depth and the diameter of locating hole (14) mutually support with fan bolt (15) for fixed fan bolt (15), scanning detection subassembly including phased array probe (11), rotary unit and the lift unit that connects gradually, phased array probe (11) just to each other with locating hole (14), and be connected with ultrasonic phased array detector (13) through connecting wire (12), the lift unit install on base (1).
2. The phased array ultrasonic testing device of the fan bolt according to claim 1, characterized in that the inner wall of the bottom of the locating hole (14) is provided with an internal thread matched with the end of the fan bolt (15), and the fan bolt (15) is fixedly arranged in the locating hole (14) through the thread during testing.
3. The phased array ultrasonic testing device of fan bolt according to claim 1, characterized in that the lifting unit comprises a first support column (3), a first cylinder (4) and a lifting platform (5) which are connected in sequence, the first support column (3) is installed on the base (1) through an installation seat (2), the lifting platform (5) is fixedly connected with the rotating unit, the first cylinder (4) is a lifting cylinder, and the rotating unit is driven to move up and down through the lifting platform (5).
4. The phased array ultrasonic testing device of fan bolt of claim 3, characterized in that, the rotary unit include second support column (6), second cylinder (7) and swinging boom that connect gradually, second support column (6) and elevating platform (5) fixed connection, phased array probe (11) install in the tip of swinging boom, second cylinder (7) be revolving cylinder, control phased array probe (11) use the swinging boom as the radius and do the arc motion.
5. The phased array ultrasonic testing device of fan bolt of claim 4, characterized in that the rotating arm includes cylinder installation department (8), connecting portion (9) and probe installation department (10) that connect gradually integrated into one piece, cylinder installation department (8) fixed mounting on second cylinder (7), phased array probe (11) install on probe installation department (10).
6. The phased array ultrasonic testing device of the fan bolt according to claim 5, characterized in that the diameter of the phased array probe (11) is 2mm smaller than that of the fan bolt (15).
7. The phased array ultrasonic testing device for the fan bolt according to claim 5, wherein the rotation angle range of the second cylinder (7) is 0-60 °.
8. The phased array ultrasonic testing device of a blower bolt according to claim 5, characterized in that the depth of the positioning hole (14) is 1/2 times the length of the blower bolt (15).
9. The phased array ultrasonic testing device of the fan bolt according to claim 6, characterized in that the phased array probe (11) is a 5P64-14 x 26 phased array ring array probe.
10. The phased array ultrasonic testing device of the fan bolt according to claim 9, wherein the ultrasonic phased array tester (13) is a HSPA20-Ae type tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020678560.3U CN212514397U (en) | 2020-04-28 | 2020-04-28 | Phased array ultrasonic detection device of fan bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020678560.3U CN212514397U (en) | 2020-04-28 | 2020-04-28 | Phased array ultrasonic detection device of fan bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212514397U true CN212514397U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020678560.3U Active CN212514397U (en) | 2020-04-28 | 2020-04-28 | Phased array ultrasonic detection device of fan bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212514397U (en) |
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2020
- 2020-04-28 CN CN202020678560.3U patent/CN212514397U/en active Active
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