CN-121385115-B - Probe seat and ultrasonic detection equipment

CN121385115BCN 121385115 BCN121385115 BCN 121385115BCN-121385115-B

Abstract

The embodiment of the application discloses a probe seat and ultrasonic detection equipment, wherein the probe seat is used for bearing and adjusting the relative position between a detection probe and a detected piece of the ultrasonic detection equipment, the probe seat comprises a frame, a flexible substrate, a probe bearing assembly movably arranged on the frame and used for mounting the detection probe, an integrated adjusting device connected with the frame and the probe bearing assembly, the integrated adjusting device comprises a pose adjusting assembly used for driving the probe bearing assembly to conduct multi-degree-of-freedom pose adjustment, a pressure adjusting assembly used for driving the probe bearing assembly to conduct linear motion along the direction perpendicular to a matching surface, a sensor group comprising a pose sensor assembly and a pressure sensor, and a controller arranged on the frame and in communication connection with the integrated adjusting device, wherein the controller can control the pose adjusting assembly to conduct prepositioning on the probe bearing assembly based on signals of the pose sensor, and control the feeding amount of the pressure adjusting assembly along the direction perpendicular to the matching surface based on signals of the pressure sensor.

Inventors

YAN QI
ZHAO JINGQI
ZHOU HONGYANG
LIU QUN
LIU XIN
ZHANG YANMING
GAO YANG
ZHANG SONGYUE
ZHANG BINGQI
XIE JUNJUN
WANG AO
SUN YUE
HOU XINGLONG
YANG JIAN
YUAN YONGLIANG
ZHAO YONG

Assignees

大唐东北电力试验研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20251223

Claims (9)

1. The utility model provides a probe seat, its characterized in that, probe seat is used for bearing and adjusting the relative position between ultrasonic testing equipment's the test probe and the piece that detects, probe seat includes: A frame; the flexible substrate is detachably arranged on the frame, and the edge of the flexible substrate can be in sealing contact with the matching surface of the detected piece; The probe bearing assembly is used for installing the detection probe and is movably arranged on the frame; An integrated adjustment device connected to the frame and the probe carrier assembly, the integrated adjustment device comprising: the pose adjusting assembly is used for driving the probe bearing assembly to adjust the pose of the probe bearing assembly with multiple degrees of freedom; the pressure adjusting assembly is used for driving the probe bearing assembly to linearly move along the direction perpendicular to the matching surface; The sensor group comprises a pose sensor for detecting the spatial pose of the probe bearing assembly and a pressure sensor for detecting the contact pressure between the detection probe and the detected piece; a controller disposed in the frame and in communication with the integrated regulating device, the controller configured to: Based on the output signal of the pose sensor, controlling the pose adjusting assembly to pre-position the probe bearing assembly; controlling the feeding amount of the pressure regulating assembly along the direction perpendicular to the matching surface based on the output signal of the pressure sensor; the probe seat also includes magnetic force adjustment subassembly, magnetic force adjustment subassembly includes: The electromagnet is embedded into the frame and is used for providing an adsorption force for the probe seat so as to enable the probe seat to be attached to the detected piece; the current adjusting element is arranged on the frame and is electrically connected with the electromagnet, and the current adjusting element is in communication connection with the controller; the magnetic field intensity sensors are arranged on the flexible substrate and are in communication connection with the controller; The permanent magnets are embedded in the frame; The controller can receive basic parameters of the detected piece and determine a magnetic attraction degree critical value through a first formula based on the basic parameters, wherein the basic parameters of the detected piece comprise magnetic permeability, thickness and hardness data, and the first formula is as follows: wherein F 0 is the magnetic attraction degree critical value, k is the structural coefficient of the electromagnet, I 0 is the current passing through the electromagnet, H 0 is the thickness of the detected piece, which is the magnetic permeability of the detected piece; The controller determines the actual magnetic attraction degree of the probe seat through a second formula based on the current passing through the electromagnet, the fixed magnetic field parameter of the permanent magnet and the gap distance length of the permanent magnet, wherein the second formula is as follows: Wherein F s is the actual magnetic attraction degree, mu 0 is vacuum magnetic permeability, mu r is the relative magnetic permeability of the detected piece, S 1 is the area of the frame of the probe seat close to the detected piece, B f is the magnetic induction intensity generated by the permanent magnet, N is the number of turns of the coil of the electromagnet, I is the working current of the electromagnet, L G is the gap distance length, and L f is the magnetic path length of the iron core of the electromagnet; The controller compares the actual magnetic attraction force with the magnetic attraction force threshold value, if F s ＜F 0 is determined that the magnetic attraction force is insufficient, the controller can control the current adjusting element to increase the current passing through the electromagnet, if F s ＞F 0 is determined that the magnetic attraction force is overlarge, the controller can control the current adjusting element to reduce the current passing through the electromagnet, and finally F s is ensured to be matched with F 0 .
2. The probe mount of claim 1, wherein the pose adjustment assembly comprises: the rotating mechanism is arranged at one end, close to the frame, of the probe bearing assembly; The first driving piece is in communication connection with the controller, and the output end of the first driving piece is connected with the rotating mechanism so as to drive the rotating mechanism to drive the detection probe to rotate.
3. The probe mount of claim 2, wherein the pressure adjustment assembly comprises: the axial adjusting mechanism is movably connected with the frame and the probe bearing assembly; and the output end of the second driving piece is connected with the adjusting mechanism so as to drive the axial adjusting mechanism to move along the axial direction of the probe bearing assembly.
4. A probe mount according to claim 3, wherein the axial adjustment mechanism comprises: one end of the first connecting rod is connected with the probe bearing assembly, and the other end of the first connecting rod is connected with the output end of the second driving piece; A first universal joint disposed between the first link and the second drive member; An elastic member having one end connected to the frame; one end of the second connecting rod is connected to one end of the elastic piece, which is away from the frame, and the other end of the second connecting rod is connected to the probe bearing assembly; and the second universal joint is arranged between the second connecting rod and the elastic piece.
5. The probe mount of claim 4, wherein the magnetic force adjustment assembly further comprises: the magnetic permeability adjusting pieces are adsorbed to one side of the permanent magnet, facing the detected piece, in one-to-one correspondence with the permanent magnets; an actuating mechanism mechanically connected to the plurality of permeability adjustment sheets; the third driving piece is arranged on the frame and is in communication connection with the controller, and the third driving piece can provide driving force for the action mechanism.
6. The probe holder of claim 5, wherein, The controller can control the working states of the first driving piece, the second driving piece and the third driving piece based on signals of the pose sensor, signals of the pressure sensor and signals of the magnetic field intensity sensor.
7. The probe mount of claim 2, wherein the pose sensor assembly comprises: the angle sensor is arranged on the rotating mechanism and is in communication connection with the controller; The displacement sensor is arranged at one end of the probe bearing assembly, which is close to the frame, and is in communication connection with the controller.
8. The probe holder of claim 1, wherein the probe holder comprises a plurality of probes, The pressure sensor is arranged on one side of the probe bearing assembly, which is close to the frame, and the pressure sensor is in communication connection with the controller.
9. An ultrasonic testing apparatus, comprising: Probe mount according to any of the preceding claims 1 to 8; the detection probe can penetrate through the probe seat.

Description

Probe seat and ultrasonic detection equipment Technical Field The application relates to the technical field of nondestructive testing, in particular to a probe seat and ultrasonic testing equipment. Background In the industrial field, nondestructive testing technology plays an important role in quality and safety metrics. In the common detection technology, the radiation detection is limited by the capability of identifying defects, the equipment is huge, the detection cost is high, and potential risks exist for the health of operators, and more importantly, the sensitivity of the radiation detection to the detection of planar defects (parallel) is low, so that the defects are often critical hidden dangers. The magnetic powder detection is completely ineffective for non-ferromagnetic materials, and only surface and near-surface defects can be detected, so that the application scene is limited. The penetration detection can only detect surface opening defects, the operation process is very complicated, the influence of the surface roughness of a workpiece is easy, and the influence of irrelevant defects is direct judgment. In contrast, ultrasonic detection techniques have significant advantages. Ultrasonic detection not only makes up for the short plates of other detection, but also has great potential in the future due to the digital display and high precision, so that ultrasonic detection is a mainstream technology for industrial defect detection. But the detection effect of ultrasonic detection is directly related to the fitting degree of the ultrasonic probe and the detected workpiece. In the related art, when the ultrasonic detection is performed on the detected piece, if the gap between the detection probe and the detected piece is too large, the ultrasonic signal is caused to be intermittent, and then the ultrasonic detection precision is reduced, and the detection sensitivity is too high or not displayed by pressing the detection probe with force, so that the detection probe is easy to cause unnecessary damage, and the service life of the detection probe is shortened. Disclosure of Invention The embodiment of the application discloses a probe seat and ultrasonic detection equipment, wherein the joint state of a detection probe and a detected piece is reflected by an output signal of a pose sensor and a pressure sensor, and the pose of the detection probe and the distance between the detection probe and the detected piece can be adjusted by a controller and an integrated adjusting device. In order to achieve the above object, in a first aspect, an embodiment of the present application discloses a probe holder for carrying and adjusting a relative position between a detection probe and a detected piece of an ultrasonic detection apparatus, the probe holder including: A frame; the flexible substrate is detachably arranged on the frame, and the edge of the flexible substrate can be in sealing contact with the matching surface of the detected piece; the probe bearing assembly is used for installing the detection probe and can be movably arranged on the frame; An integrated adjustment device connected to the frame and the probe carrier assembly, the integrated adjustment device comprising: the pose adjusting assembly is used for driving the probe bearing assembly to adjust the pose of the probe bearing assembly with multiple degrees of freedom; the pressure adjusting assembly is used for driving the probe bearing assembly to linearly move along the direction perpendicular to the matching surface; The sensor group comprises a pose sensor for detecting the spatial pose of the probe bearing assembly and a pressure sensor for detecting the contact pressure between the detection probe and the detected piece; a controller disposed in the frame and in communication with the integrated regulating device, the controller configured to: Based on the output signal of the pose sensor, controlling the pose adjusting assembly to pre-position the probe bearing assembly; and controlling the feeding amount of the pressure regulating assembly along the direction vertical to the matching surface based on the output signal of the pressure sensor. In one possible implementation, the pose adjustment assembly includes: the rotating mechanism is arranged at one end, close to the frame, of the probe bearing assembly; The first driving piece is in communication connection with the controller, and the output end of the first driving piece is connected with the rotating mechanism so as to drive the rotating mechanism to drive the detection probe to rotate. In one possible implementation, the pressure regulating assembly includes: the axial adjusting mechanism is movably connected with the frame and the probe bearing assembly; and the output end of the second driving piece is connected with the adjusting mechanism so as to drive the axial adjusting mechanism to move along the axial direction of the probe bearing assembly. In one possi