CN217466803U - Ultrasonic detection device for crack defects of bolt holes - Google Patents
Ultrasonic detection device for crack defects of bolt holes Download PDFInfo
- Publication number
- CN217466803U CN217466803U CN202221330031.XU CN202221330031U CN217466803U CN 217466803 U CN217466803 U CN 217466803U CN 202221330031 U CN202221330031 U CN 202221330031U CN 217466803 U CN217466803 U CN 217466803U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- ultrasonic
- positioning
- bolt
- bolt hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses an ultrasonic detection device for bolt hole crack defects, which comprises an ultrasonic detector, an ultrasonic probe, a bolt, a positioning cylinder, a rotating cylinder and a moving baffle plate; the positioning cylinder is a hollow cylinder, the positioning cylinder is sleeved on the bolt, the rotating cylinder is sleeved on the lower side of the positioning cylinder, the end part of the moving baffle is connected with the rotating cylinder, the ultrasonic probe is positioned on the moving baffle, the side surface of the moving baffle is tangent to the bolt hole when detecting, the ultrasonic probe is connected with the ultrasonic detector, and the device can improve the accuracy of ultrasonic detection of the bolt hole.
Description
Technical Field
The utility model belongs to the nondestructive test field relates to a bolt hole crack defect ultrasonic testing device.
Background
Because the upper part of the bolt hole is influenced by the bolt, the gasket and the nut, whether the sound beam is along the tangent plane of the bolt hole is difficult to judge during detection, once the sound beam is inclined and possibly deviates from the bolt hole to cause missed detection, the sound beam also can directly shoot to the wall of the bolt hole to generate a reflected signal of the wall of the bolt hole, and whether the sound beam is a defect signal is difficult to judge, so the detection difficulty is higher.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a bolt hole crack defect ultrasonic testing device, the device can promote the degree of accuracy that bolt hole ultrasonic testing detected.
In order to achieve the purpose, the ultrasonic detection device for the crack defects of the bolt holes comprises an ultrasonic detector, an ultrasonic probe, a bolt, a positioning cylinder, a rotating cylinder and a moving baffle plate;
the positioning cylinder is a hollow cylinder, the positioning cylinder is sleeved on the bolt, the rotating cylinder is sleeved on the lower side of the positioning cylinder, the end part of the moving baffle is connected with the rotating cylinder, the ultrasonic probe is positioned on the moving baffle, the side surface of the moving baffle is tangent to the bolt hole when detecting, and the ultrasonic probe is connected with the ultrasonic detector.
The positioning device further comprises a plurality of positioning pins, and the positioning pins penetrate through the side wall of the positioning cylinder to be in contact with the side wall of the bolt.
The rotating cylinder is coaxial with the positioning cylinder.
The positioning cylinder is larger than the bolt in diameter.
The side of the positioning cylinder is provided with a threaded hole for the positioning pin to pass through.
The positioning pins are provided with N rows, and each row is provided with M positioning pins, wherein N is more than or equal to 2, and M is more than or equal to 2.
The lower side of the positioning cylinder is of a contraction structure and is used for sleeving the rotating cylinder.
The inner diameter of the rotating cylinder is larger than the outer diameter of the lower part of the positioning cylinder.
The utility model discloses following beneficial effect has:
bolt hole crackle defect ultrasonic testing device when concrete operation, the location cylinder cup joints on the bolt, when examining, motion baffle's side is tangent with the bolt hole, through the detection route that detects the auxiliary ring and provide, makes ultrasonic probe sweep and look into route and sound beam and avoid the bolt hole, and the next-door neighbour bolt hole, can avoid the pseudo-demonstration that the bolt hole produced in the detection, through the utility model discloses in case discovery signal can judge as the defect signal to reduce and detect the degree of difficulty, improve and detect the rate of accuracy.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention;
wherein, 1 is the bolt, 2 is the location cylinder, 3 is the locating pin, 4 is the motion baffle, 5 is ultrasonic probe, 6 is the ultrasonic detector, 7 is the rotatory cylinder.
Detailed Description
In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution 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, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1 and 2, the ultrasonic detection device for detecting the crack defect of the bolt hole of the present invention includes an ultrasonic detector 6, an ultrasonic probe 5, a bolt 1, a positioning cylinder 2, a positioning pin 3, a rotating cylinder 7 and a moving baffle 4;
positioning cylinder 2 is hollow cylinder, and positioning cylinder 2 cup joints on bolt 1, and dowel pin 3 passes positioning cylinder 2's lateral wall and contacts with bolt 1's lateral wall, and rotatory cylinder 7 cup joints on positioning cylinder 2, and rotatory cylinder 7 is coaxial with positioning cylinder 2, and rotatory cylinder 7 can round positioning cylinder 2 free rotation, and the tip and the rotatory cylinder 7 of motion baffle 4 are connected, and motion baffle 4 can rotate along with rotatory cylinder 7, provide to scan the route for ultrasonic probe 5. The ultrasonic probe 5 is positioned on the motion baffle 4, the ultrasonic probe 5 moves according to the motion baffle 4, the sound beam can be ensured to be close to the hole wall of the bolt hole, the sound beam cannot be emitted to the hole wall of the bolt hole, and a signal reflected by the hole wall of the bolt hole cannot be generated, wherein the side surface of the motion baffle 4 is tangent to the bolt hole to be detected during detection.
The positioning cylinder 2 is a hollow cylinder with a diameter larger than that of the bolt 1, a threaded hole for the positioning pin 3 to pass through is formed in the side face of the positioning cylinder 2, and the lower side of the positioning cylinder 2 is of a contraction structure and used for being sleeved with the rotating cylinder 7.
The positioning pins 3 are arranged in a plurality of rows, each row is provided with a plurality of positioning pins, and the positioning cylinders 2 are ensured to be coaxial with the bolts 1 through the plurality of positioning pins 3 in the plurality of rows.
The internal diameter of the rotating cylinder 7 is slightly larger than the external diameter of the lower part of the positioning cylinder 2, and when the rotating cylinder 7 is sleeved on the lower part of the positioning cylinder 2, the rotating cylinder can rotate freely but cannot shake.
The motion baffle 4 is a sheet metal, is connected with rotatory cylinder 7, can be along with rotatory cylinder 7 free rotation, and when it rotated along with rotatory cylinder 7, its side was tangent with the bolt hole, carries out ultrasonic testing along its side, can not produce the signal of bolt hole wall reflection, avoids the inspector misjudgement.
The utility model discloses a concrete working process does:
firstly, the rotating cylinder 7 is sleeved with the positioning cylinder 2, then the positioning cylinder 2 is sleeved on the bolt 1, the positioning pin 3 is used for fixing the positioning cylinder 2, the positioning cylinder 2 is coaxial with the bolt 1, and then the moving baffle 4 is installed on the rotating cylinder 7.
After the tool is assembled, ultrasonic detection can be carried out, after a detection position is selected, the motion baffle plate 4 is rotated to the section of the bolt hole, the positioning pin 3 is screwed down, the motion baffle plate 4 is kept not to rotate, the ultrasonic probe 5 is moved along the side face of the motion baffle plate 4 to be scanned, the ultrasonic probe 5 and the sound beam are kept in the plane of the section of the bolt hole and cannot be obliquely shot to the bolt hole, the situation that signals are generated in the oblique shot to the bolt hole is avoided, and after one position is detected, the motion baffle plate 4 is rotated to the next position to continue detection.
After the detection is finished, the positioning pin 3 is loosened, and the whole detection tool can be taken down.
Claims (8)
1. The ultrasonic detection device for the crack defects of the bolt holes is characterized by comprising an ultrasonic detector (6), an ultrasonic probe (5), a bolt (1), a positioning cylinder (2), a rotating cylinder (7) and a moving baffle (4);
positioning cylinder (2) are hollow cylinder, and positioning cylinder (2) cup joint on bolt (1), and rotatory cylinder (7) cup joint in the downside of positioning cylinder (2), and the tip and the rotatory cylinder (7) of motion baffle (4) are connected, and ultrasonic probe (5) are located motion baffle (4), and when examining test, the side of motion baffle (4) is tangent with the bolt hole, and ultrasonic probe (5) are connected with ultrasonic detector (6).
2. The ultrasonic bolt hole crack defect detection device of claim 1, further comprising a plurality of positioning pins (3), wherein the positioning pins (3) penetrate through the side wall of the positioning cylinder (2) to be in contact with the side wall of the bolt (1).
3. Ultrasonic bolt hole crack defect detection device according to claim 1, characterized in that the rotating cylinder (7) is coaxial with the positioning cylinder (2).
4. Ultrasonic bolt hole crack defect detection device according to claim 1, characterized in that the positioning cylinder (2) is of a diameter larger than the diameter of the bolt (1).
5. Ultrasonic bolt hole crack defect detection apparatus according to claim 2, characterized in that the side of the positioning cylinder (2) is provided with a threaded hole for the positioning pin (3) to pass through.
6. The ultrasonic detection device for the crack defects of the bolt holes according to claim 2, wherein the positioning pins (3) are arranged in N rows, and each row is provided with M positioning pins, wherein N is more than or equal to 2, and M is more than or equal to 2.
7. Ultrasonic bolt hole crack defect inspection device according to claim 1, characterized in that the underside of the positioning cylinder (2) is of a contracted configuration for telescoping with the rotating cylinder (7).
8. Ultrasonic bolt hole crack defect detection device according to claim 1, characterized in that the inner diameter of the rotating cylinder (7) is larger than the outer diameter of the lower part of the positioning cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330031.XU CN217466803U (en) | 2022-05-30 | 2022-05-30 | Ultrasonic detection device for crack defects of bolt holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221330031.XU CN217466803U (en) | 2022-05-30 | 2022-05-30 | Ultrasonic detection device for crack defects of bolt holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217466803U true CN217466803U (en) | 2022-09-20 |
Family
ID=83277341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221330031.XU Active CN217466803U (en) | 2022-05-30 | 2022-05-30 | Ultrasonic detection device for crack defects of bolt holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217466803U (en) |
-
2022
- 2022-05-30 CN CN202221330031.XU patent/CN217466803U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019029524A1 (en) | Shear wave oblique probe reflected/diffracted/deformed wave detection method | |
| CN106501377B (en) | A method of R corner structure flaw size is detected using ultrasonic phase array | |
| CN105973177B (en) | A kind of lossless detection method and PCB lossless detection method of back drill stub | |
| CN102768240B (en) | Ultrasonic scanning device and method for detecting R region of inner cavity of composite material structure | |
| WO2021082587A1 (en) | Bird-shaped test block | |
| CN110320282A (en) | Variable-angle ultrasonic probe and pipe circumferential weld transverse defect supersonic detection method | |
| CN206710388U (en) | The ultrasonic wave detecting system of small diameter tube outside weld sliding block angle welding | |
| CN113607813A (en) | Ultrasonic automatic detection device for laser welding T-shaped welding seam defects and quantitative method thereof | |
| CN217466803U (en) | Ultrasonic detection device for crack defects of bolt holes | |
| CN106706759B (en) | Method for evaluating defects of welding joint of P92 steel main steam pipeline of ultra-supercritical generator set | |
| CN113834874B (en) | Method for simulating and analyzing joint fillet weld defects based on CIVA | |
| CN209542519U (en) | The ultrasonic scan imaging device of multifunction high-precision | |
| CN102706960B (en) | Ultrasonic phased array detection system for transitional circular arc inside cavity | |
| CA2037524A1 (en) | Ultrasonic testing apparatus and method for rapidly inspecting a large number of gas cylinders of similar design for internal neck-shoulder defects | |
| WO2017014344A1 (en) | Automatic calibration device for non-destructive ultrasound inspection device, and control method therefor | |
| CN105510442A (en) | Dynamic linkage focus detection method adopting multiple phased array probes | |
| WO2023245964A1 (en) | Phased array ultrasonic testing apparatus and method for bolt hole crack | |
| CN113552226B (en) | Reference block for water immersion ultrasonic detection of electron beam welding seam and detection method | |
| CN211122697U (en) | Multifunctional bird-shaped test block | |
| CN111522794B (en) | Ultrasonic angle spectrum database establishment method for weld defect type analysis and defect qualitative method based on database | |
| CN209745888U (en) | chain ring phased array device of detecting a flaw's check-up test block | |
| CN210269735U (en) | Multi-sensitivity contrast test block for detecting internal defects of large bearing ring | |
| CN108020595B (en) | Solid wheel axle ultrasonic flaw detection method and flaw detection device | |
| CN216747574U (en) | Wind-powered electricity generation bolt ultrasonic detection device | |
| CN104458909A (en) | Ultrasonic detection method for stellite alloy sheet weld zone of turbine blade |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |