CN215066374U - Ultrasonic probe and device for detecting bolt - Google Patents
Ultrasonic probe and device for detecting bolt Download PDFInfo
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- CN215066374U CN215066374U CN202121096393.2U CN202121096393U CN215066374U CN 215066374 U CN215066374 U CN 215066374U CN 202121096393 U CN202121096393 U CN 202121096393U CN 215066374 U CN215066374 U CN 215066374U
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- ultrasonic probe
- bolt
- shell
- movable inclined
- detecting
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Abstract
The utility model discloses an ultrasonic probe and a device for detecting a bolt, which comprises an ultrasonic probe body, a couplant pipeline, a connector and a flaw detector, wherein the ultrasonic probe body comprises a shell, a transducer core part and a bolt positioning detection device; the bolt positioning detection device comprises a movable inclined claw, a rotating shaft and a spring, wherein the spring is positioned below the shell and is in contact with the shell, the top of the movable inclined claw is connected with the spring, and the movable inclined claw is connected with the ultrasonic probe body through the rotating shaft and rotates around the rotating shaft to open and close.
Description
Technical Field
The utility model relates to an ultrasonic testing technical field, in particular to an ultrasonic probe and device for detecting bolt.
Background
At present, bolt detection is divided into manual detection and machine detection.
The manual work is the most primitive and is the most common detection mode of use, in order to reduce the outflow of defective products as far as possible, general manufacturing enterprise personnel inspect the product of treating packing or shipment through visual mode to get rid of the defective products (bad including tooth wound, compounding, rust etc.).
The other mode is full-automatic detection of a machine, and magnetic particle inspection is generally adopted. The magnetic powder flaw detection is to utilize the interaction between the leakage magnetic field at the bolt defect and the magnetic powder, and to the difference between the magnetic permeability of the possible defects (such as cracks, slag inclusion, mixed materials and the like) of the bolt and the magnetic permeability of steel, the magnetic field at the discontinuous parts of the magnetized materials is distorted to form the leakage magnetic field on the surface of a workpiece at the part where the magnetic flux leaks, so that the magnetic powder at the defect position is attracted to be accumulated into magnetic marks, the defect position and shape are shown under the proper illumination condition, and the accumulation of the magnetic powder is observed and explained, thereby achieving the purpose of eliminating the unqualified products. The magnetic powder inspection needs the magnetic powder to cover the defect, and the detection effect on the used bolt which can not be disassembled is not ideal, such as: engineering, construction, bridges, electrical equipment, electromechanical products, ships, vehicles, and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an ultrasonic probe and device for detecting bolt adopts ultrasonic flaw detection to utilize the ultrasonic wave echo principle to realize carrying out disposable ground, high efficiency detection imaging to the overall structure of bolt fastener on labour through a bit detection, utilizes the array element that is the array and arranges to once detect and cover whole bolt, has promoted the efficiency that detects, and phased array possess the focus function, can detect longer bolt.
The utility model provides an ultrasonic probe and device for detecting bolt, including ultrasonic probe body, couplant pipeline, connector and flaw detector, the ultrasonic probe body includes casing, transducer core and bolt location detection device, the couplant pipeline is installed on the casing, be equipped with capillary annular runner mouth on the casing the transducer core is connected with the casing, bolt location detection device is connected with the casing, the ultrasonic probe body is connected with the flaw detector through the connector; the bolt positioning detection device comprises a movable inclined claw, a rotating shaft and a spring, wherein the spring is located below the shell and is in contact with the shell, the top of the movable inclined claw is connected with the spring, and the movable inclined claw is connected with the ultrasonic probe body through the rotating shaft and rotates around the rotating shaft to open and close.
In the above scheme, the transducer core includes a ceramic piezoelectric wafer, a matching layer and a backing, the ceramic piezoelectric wafer is connected to the backing, and the matching layer is connected to the ceramic piezoelectric wafer.
In the above scheme, the ceramic piezoelectric wafers are arranged in an array, and can be a circular array wafer, a chrysanthemum array wafer, a polar coordinate array wafer or an area array wafer.
In the scheme, the number of the movable inclined claws is six, and the six movable inclined claws are uniformly distributed on the circumference.
In the above scheme, a couplant flow channel is arranged in the shell, the couplant flow channel is communicated with the couplant pipeline, and the couplant flow channel is communicated with the capillary annular flow channel opening.
In the scheme, the flaw detector is connected with the ultrasonic probe body through the connector and the cable.
The utility model has the advantages and the beneficial effects that: the utility model provides an ultrasonic probe and a device for detecting a bolt, which integrate the ultrasonic probe and a couplant spraying flow channel into a whole, so that the surface of a detecting bolt workpiece is fully covered with the couplant, and the ultrasonic probe and the device provide a full guarantee for ultrasonic continuous coupling transmission and nondestructive detection; through adopting bolt location detection device light location, detect placed in the middle, can clearly and definitely find the defect position, detection range does not receive hexagon, circular influence, need not plus the special scanner of customization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the middle ultrasonic probe body of the present invention.
Fig. 3 is a schematic diagram of the working process of the present invention.
Fig. 4 is a bottom view of fig. 3.
In the figure: 1. ultrasonic probe body 2, couplant pipeline 3, connector 4 and flaw detector
5. Shell 6, transducer core 7, bolt location detection device
8. Coupling agent pipeline joint 9, movable inclined claw 10, rotating shaft 11 and spring
12. Ceramic piezoelectric wafer 13, matching layer 14, backing 15, cable wire
16. Bolt workpiece
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-4, the utility model relates to an ultrasonic probe and device for detecting bolt, including ultrasonic probe body 1, couplant pipeline 2, connector 3 and flaw detector 4, ultrasonic probe body 1 includes casing 5, transducer core 6 and bolt location detection device 7, and couplant pipeline 2 is installed on casing 5, is equipped with capillary annular runner mouth on casing 5, and external couplant is led in through couplant pipeline 2 connection couplant pipeline joint 8, and the couplant flows through casing 5 internal flow channel, spouts from capillary annular runner mouth and detects surface coupling with bolt work piece 16; the transducer core part 6 is connected with the shell 5, the bolt positioning detection device 7 is connected with the shell 5, and the ultrasonic probe body 1 is connected with the flaw detector 4 through the connector 3; the bolt positioning detection device 7 comprises a movable inclined claw 9, a rotating shaft 10 and a spring 11, wherein the spring 11 is positioned below the shell 5 and is in contact with the shell 5, the top of the movable inclined claw 9 is connected with the spring 11, and the movable inclined claw 9 is connected with the ultrasonic probe body 1 through the rotating shaft 10 and rotates around the rotating shaft 10 to be opened and closed.
Further, the transducer core 6 comprises a ceramic piezoelectric wafer 12, a matching layer 13 and a backing 14, the ceramic piezoelectric wafer 12 is connected with the backing 14, the matching layer 13 is connected with the ceramic piezoelectric wafer 12, the transducer core 6 is connected with a cable 15 and the shell 5 to form the ultrasonic probe body 1.
Specifically, the ceramic piezoelectric wafer 12 is arranged in an array, and may be a circular array wafer, a chrysanthemum array wafer, a polar coordinate array wafer, or an area array wafer.
Furthermore, six movable inclined claws 9 are arranged uniformly in a circumferential mode, the six movable inclined claws 9 can be easily clamped into a hexagon or a circle of a bolt head, the ultrasonic probe is always arranged in the middle of the bolt, and the elastic inclined claws are simultaneously pre-pressed and tightly pushed to enable the core part of the ultrasonic probe to be tightly attached to the detection surface of the bolt.
A coupling agent flow passage is arranged in the shell 5, the coupling agent flow passage is communicated with the coupling agent pipeline 2, and the coupling agent flow passage is communicated with the capillary annular flow passage opening; the couplant is sprayed out through a capillary circular flow passage around the shell 5, a detection surface of the coupling bolt is fully wetted, ultrasonic waves smoothly and efficiently enter the interior of the bolt for flaw detection, nondestructive detection is carried out by utilizing an ultrasonic echo principle, the position of a defect can be accurately positioned through an ultrasonic imaging system, and the shape, size, direction, orientation, distribution, inclusion and the like of the defect are determined.
Specifically, the flaw detector 4 is connected with the ultrasonic probe body 1 through the connector 3 and the cable 15.
The working principle of the technical scheme is as follows:
the device is pressed into a bolt workpiece 16, the six movable inclined claws 9 freely rotate around the rotating shaft 10 to open and close under the elastic support of the spring 11, the ultrasonic probe assembly guidance and centering positioning are provided in real time, the transducer core 6 is attached to the detection surface of the puller bolt to continuously work, and the purposes of optimal coupling, reliability and stability in detection are achieved. The transducer core part 6 completely covers the detection surface of the bolt workpiece 16, ultrasonic signals transmitted and received by the transducer core part 6 are transmitted through the cable 15 and transmitted to the flaw detector 4 through the connector 3 by utilizing the ultrasonic echo principle, and the flaw detector 4 displays the scanning waveform image on a screen to detect the defects of cracks, holes, corrosion and the like in the bolt workpiece in real time according to the signal characteristics of reflected waves.
The technical scheme has the advantages that:
1. the ultrasonic probe and the couplant capillary annular sprinkling channel are integrated, so that the couplant is fully covered on the surface of the detection bolt workpiece 16, a full guarantee is provided for ultrasonic continuous coupling transmission and nondestructive detection, the couplant is not required to be sprayed externally for clamping, the real-time accuracy is realized, the manpower is saved, and the quality is improved.
2, through the light location detection placed in the middle of bolt location detection device 7, the defect position discovery is clear and definite, and the detection range does not receive hexagon, circular influence, need not plus the special scanner of customization, and is accurate high-efficient, reduce cost, save time.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An ultrasonic probe and a device for detecting a bolt are characterized by comprising an ultrasonic probe body, a coupling agent pipeline, a connector and a flaw detector, wherein the ultrasonic probe body comprises a shell, a transducer core part and a bolt positioning detection device; the bolt positioning detection device comprises a movable inclined claw, a rotating shaft and a spring, wherein the spring is located below the shell and is in contact with the shell, the top of the movable inclined claw is connected with the spring, and the movable inclined claw is connected with the ultrasonic probe body through the rotating shaft and rotates around the rotating shaft to open and close.
2. The ultrasonic probe and device for inspecting bolts of claim 1 wherein the transducer core comprises a ceramic piezoelectric wafer, a matching layer and a backing, the ceramic piezoelectric wafer being attached to the backing and the matching layer being attached to the ceramic piezoelectric wafer.
3. The ultrasonic probe and the device for detecting the bolt according to claim 2, wherein the ceramic piezoelectric wafers are arranged in an array, and can be a circular array wafer, a chrysanthemum array wafer, a polar coordinate array wafer or an area array wafer.
4. The ultrasonic probe and device for detecting the bolt of claim 1, wherein the number of the movable inclined claws is six, and the six movable inclined claws are uniformly arranged on the circumference.
5. The ultrasonic probe and the device for detecting the bolt as claimed in claim 1, wherein a couplant flow channel is arranged inside the shell, the couplant flow channel is communicated with the couplant pipeline, and the couplant flow channel is communicated with the capillary annular flow channel opening.
6. The ultrasonic probe and device for detecting the bolt as claimed in claim 1, wherein the flaw detector is connected with the ultrasonic probe body through a connector and a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096393.2U CN215066374U (en) | 2021-05-20 | 2021-05-20 | Ultrasonic probe and device for detecting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096393.2U CN215066374U (en) | 2021-05-20 | 2021-05-20 | Ultrasonic probe and device for detecting bolt |
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| Publication Number | Publication Date |
|---|---|
| CN215066374U true CN215066374U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121096393.2U Active CN215066374U (en) | 2021-05-20 | 2021-05-20 | Ultrasonic probe and device for detecting bolt |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219590A (en) * | 2022-07-11 | 2022-10-21 | 艾因蒂克科技(上海)有限公司 | Ultrasonic array combined probe for omnibearing pipeline detection |
-
2021
- 2021-05-20 CN CN202121096393.2U patent/CN215066374U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219590A (en) * | 2022-07-11 | 2022-10-21 | 艾因蒂克科技(上海)有限公司 | Ultrasonic array combined probe for omnibearing pipeline detection |
| CN115219590B (en) * | 2022-07-11 | 2023-08-08 | 艾因蒂克科技(上海)有限公司 | Ultrasonic array combined probe for omnibearing detection pipeline |
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