CN112082678A - Multi-degree-of-freedom self-adaptive stress detection probe clamp - Google Patents
Multi-degree-of-freedom self-adaptive stress detection probe clamp Download PDFInfo
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- CN112082678A CN112082678A CN202010740634.6A CN202010740634A CN112082678A CN 112082678 A CN112082678 A CN 112082678A CN 202010740634 A CN202010740634 A CN 202010740634A CN 112082678 A CN112082678 A CN 112082678A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
- G01L1/255—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons using acoustic waves, or acoustic emission
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a multi-degree-of-freedom self-adaptive stress detection probe clamp which comprises a mounting seat, an adjusting base and a sliding support, wherein the mounting seat is connected with the adjusting base through a universal joint, the adjusting base adjusts the angle in a self-adaptive manner according to a surface to be detected, the mounting seat is connected with the sliding support in a sliding manner, the mounting seat can reciprocate along the length direction of the sliding support, a probe and a tension spring are arranged on the sliding support, two ends of the tension spring are respectively connected with the sliding support and the mounting seat, when the tension spring is in a free state, the bottom surface of the probe exceeds the bottom surface of the adjusting base, and the adjusting base is used for fixing the stress detection probe clamp on the surface of a material to be detected. The multi-freedom-degree self-adaptive stress detection and analysis device can effectively perform multi-freedom-degree self-adaptive stress detection and analysis on the detected material, can detect various curved surfaces, and avoids the problem that the conventional probe testing clamp can only perform axial testing.
Description
Technical Field
The invention relates to the technical field of ultrasonic stress, in particular to a multi-degree-of-freedom self-adaptive stress detection probe clamp.
Background
When a material cannot displace under an external force, its geometry and dimensions change, and this deformation is called strain. When the material is deformed, reaction forces with equal magnitude and opposite directions are generated inside the material to resist external force, and the reaction force on a unit area is defined as stress, or when the object is deformed due to external factors, interaction internal force is generated among all parts in the object to resist the external factors, and the object tries to return to the position before the deformation from the position after the deformation.
The stress measuring method based on the ultrasonic acoustic-elastic theory utilizes the principle of acoustic birefringence in a stressed material. The existing inherent relation between the ultrasonic velocity and the stress in the measured object has better linearity under the same temperature, and the existing stress detection method comprises the following steps: the method comprises a blind hole method, an X-ray method, a magnetic measurement method and an ultrasonic method, wherein before measurement by the blind hole method, a strain gauge needs to be drilled and pasted, certain process requirements need to be met when pasting, a component is damaged, operation is complex, and the X-ray method is lossless, accurate and reliable, but only can measure the thickness of a micrometer level. The operation needs to pay attention to ionizing radiation, the cost is high, the measuring efficiency is not high, the magnetic measuring method is simple to operate, the measurement is quick, the accuracy is low, the ultrasonic measuring method is high in measuring efficiency and nondestructive, the operation is convenient and safe, and along with the development of modern hardware chips, the precision and the resolution ratio are greatly improved.
However, the existing stress meter has complex operation and high production cost of a detection tool during measurement, and cannot be suitable for the surfaces of materials with various shapes, and the measurement effect is not good. In addition, the existing probe stress clamp cannot adapt to the detection of various curved surfaces, and the adaptability is poor.
Disclosure of Invention
The invention aims to provide a multi-degree-of-freedom self-adaptive stress detection probe clamp aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a multi freedom self-adaptation stress detection probe anchor clamps, includes mount pad, adjusts base and sliding support, the mount pad passes through the universal joint with adjusting the base and is connected, adjust the base according to the face self-adaptation angle regulation that awaits measuring, mount pad and sliding support sliding connection, reciprocating motion can be done along sliding support length direction to the mount pad, be equipped with probe and extension spring on the sliding support, the both ends of extension spring are connected with sliding support and mount pad respectively, work as when the extension spring is in free state, the bottom surface of probe surpasss the bottom surface of adjusting the base, it is used for fixing this stress detection probe anchor clamps on the surface of being surveyed the material to adjust the base.
Furthermore, the two ends of the mounting seat are connected with an adjusting base through universal joints.
Furthermore, the universal joint includes connector and rotor, connector and mount pad fixed connection, the rotatable connection of regulation body is in the connector lower part to with regulation base fixed connection.
Furthermore, the adjusting base is a magnetic base, a button switch is arranged on the magnetic base, and the magnetic opening and closing of the magnetic base can be controlled by shifting the button switch.
Further, the top end of the sliding support is further provided with a spring pulling plate, two ends of the spring pulling plate are fixedly connected with a tension spring respectively, the sliding support is a linear guide rail and comprises a sliding block and a straight rail, the sliding block is fixed with the installation seat through a connecting piece, the bottom of the linear guide rail is further provided with a probe installation seat, the probe installation seat is used for installing a probe, and the straight rail is fixed with the spring pulling plate through a connecting piece in the probe installation seat respectively.
Further, the mount pad still is equipped with the cable clamp, the card is equipped with the trough on the cable clamp, the trough is used for the pencil of probe to walk the line and fix.
Furthermore, the magnetic base is provided with a groove and two inclined planes, and the groove is positioned in the middle of the inclined planes.
Further, the probe and the groove are in the same straight line.
Furthermore, limiting grooves are formed in two ends of the mounting seat, and the limiting grooves are used for positioning and adjusting the base.
Furthermore, a mounting groove is formed in the probe mounting seat and used for positioning and mounting the probe, and the probe is fixedly connected with the probe mounting seat through a connecting piece.
By adopting the technical scheme of the invention, the invention has the beneficial effects that: the multi-freedom-degree self-adaptive stress detection and analysis device can effectively perform multi-freedom-degree self-adaptive stress detection and analysis on a detected material, can detect various types of curved surfaces, avoids the problem that the conventional probe testing clamp can only perform axial testing, and is convenient to use, simple in structure, low in processing and assembly difficulty, low in production cost and high in detection precision, and is fixedly connected by using a large number of connecting pieces.
Drawings
FIG. 1 is a drawing illustrating a multi-degree-of-freedom adaptive stress test probe fixture according to the present invention;
FIG. 2 is a front view of a multi-degree-of-freedom adaptive stress-sensing probe clamp provided by the present invention;
FIG. 3 is a rear view of a multiple degree of freedom adaptive stress-sensing probe fixture provided by the present invention.
Wherein, 1, mounting seat; 2. adjusting the base; 3. a sliding support; 4. a probe mounting base; 5. a probe; 6. a spring pulling plate; 7. a tension spring; 8. a push button switch; 9. a slider; 10. a straight rail; 11. a cable clamp; 12. a wiring groove; 13. a groove; 14. an inclined surface; 15. a limiting groove; 16. mounting groove, 17, universal joint, 18, connector, 19, rotor.
Detailed Description
Specific embodiments of the present invention will be further described with reference to the accompanying drawings.
As shown in the figure, a multi freedom self-adaptation stress detection probe anchor clamps include mount pad 1, regulation base 2 and sliding support 3, mount pad 1 passes through universal joint 17 with regulation base 2 and is connected, adjust base 2 according to the face that awaits measuring self-adaptation angle regulation, mount pad 1 and sliding support 3 sliding connection, mount pad 1 can be followed 3 length direction of sliding support and is reciprocating motion, is equipped with probe 5 and extension spring 7 on the sliding support 3, and the both ends of extension spring 7 are connected with sliding support 3 and mount pad 1 respectively, and when extension spring 7 was in free state, the bottom surface of probe 5 surpassed the bottom surface of adjusting base 2, adjusts base 2 and is used for fixing this stress detection probe anchor clamps on the surface of material being surveyed.
The multi-freedom-degree self-adaptive stress detection and analysis device can effectively perform multi-freedom-degree self-adaptive stress detection and analysis on the detected material, can detect various curved surfaces, and also avoids the problem that the conventional probe testing clamp can only perform axial testing.
The universal joint 17 comprises a connector 18 and a rotor 19, the connector 18 is fixedly connected with the mounting seat 1, the regulating body 19 is rotatably connected to the lower part of the connector 18 and is fixedly connected with the regulating base 2, so that the device is more stable and balanced, the fixing effect is better, and the detection precision is higher.
In order to make this device more stable and balanced, it is higher to detect the precision, and 3 tops of sliding support still are equipped with spring arm-tie 6, and spring arm-tie 6 is T shape, and both ends link firmly a extension spring 7 respectively.
In order to measure the magnetic conductivity material conveniently, the adjusting base 2 is a magnetic base, a button switch 8 is arranged on the magnetic base, and the magnetic opening and closing of the magnetic base can be controlled by shifting the button switch 8. The magnetic base is internally provided with a cylinder, a strip-shaped permanent magnet or a permanent magnet is arranged in the middle of the cylinder, the base outside is made of a soft magnetic material, and the magnet inside is rotated by rotating the handle. When the two poles of the magnet are in the up-and-down direction, namely the N pole or the S pole of the magnet is opposite to the soft magnetic material base, the magnet is magnetized, and the magnet has strong magnetism in the direction, so the magnet can be used for attracting the surface of steel. When the two poles of the magnet are in the horizontal direction, the middle of the NS is opposite to the soft magnetic material base and cannot be magnetized, so that the base almost has no magnetic force and can be easily taken down from the surface of the magnetic conductive material.
The sliding support 3 is a linear guide rail and comprises a sliding block 9 and a straight rail 10, the sliding block 9 is fixed with the mounting seat 1 through a connecting piece, the bottom of the linear guide rail is further provided with a probe mounting seat 4, the probe mounting seat 4 is used for mounting a probe 5, and the straight rail 10 is fixed with the probe mounting seat 4 and the spring pull plate 6 through a connecting piece respectively. By adopting the structure, the linear guide rail has the advantages of high precision, simple installation and low part cost.
In order to facilitate wiring and prevent the wires from influencing the overall appearance, the mounting base 1 is further provided with a cable clamp 11, a wiring groove 12 is clamped on the cable clamp 11, and the wiring groove 12 is used for wiring and fixing the wiring harness of the probe 5.
The magnetic base is provided with a recess 13 and two inclined surfaces 14, the recess 13 being located in the middle of the inclined surfaces 14. By adopting the structure, the stress analysis of the magnetic conductivity materials with various shapes of surfaces can be realized.
To ensure accuracy, the probe 5 is in line with the groove 13.
Limiting grooves 15 are further formed in the two ends of the mounting base 1, and the limiting grooves 15 are used for positioning and adjusting the base 2. By adopting the structure, the installation of the adjusting base 2 is more convenient, and the fixing is more firm.
In order to fix and install the probe 5 more conveniently, the probe installation seat 4 is provided with an installation groove 16, the installation groove 16 is used for positioning and installing the probe 5, and the probe 5 is fixedly connected with the probe installation seat 4 through a connecting piece.
When carrying out stress detection, place this device level in the measured object surface, compress tightly this device and measured object surface through adjusting base 2, because probe 5 is outstanding for adjusting base 2, probe 5 and measured object abundant contact this moment, because the pulling force effect, extension spring 7 receives the pulling force and becomes tensile state from natural state, and probe 5 receives the elasticity effect this moment and keeps the state of hugging closely with the measured object, and probe 5 work measured data, and extension spring 7 can make and adjust base 2 and get back to initial position after using.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The utility model provides a multi freedom self-adaptation stress detection probe anchor clamps, its characterized in that, includes mount pad, regulation base and sliding support, the mount pad passes through the universal joint with the regulation base and is connected, adjust the base according to the face self-adaptation angle regulation that awaits measuring, mount pad and sliding support sliding connection, the mount pad can be followed sliding support length direction and be reciprocating motion, be equipped with probe and extension spring on the sliding support, the both ends of extension spring are connected with sliding support and mount pad respectively, work as when the extension spring is in free state, the bottom surface of probe surpasss the bottom surface of adjusting the base, it is used for fixing this stress detection probe anchor clamps on the surface of material being surveyed to adjust the base.
2. The multi-degree-of-freedom adaptive stress-sensing probe fixture of claim 1, wherein both ends of the mount are connected to an adjustment base via a universal joint.
3. The multi-degree-of-freedom adaptive stress detection probe fixture of claim 1, wherein the gimbal comprises a connecting body and a rotating body, the connecting body is fixedly connected with the mounting base, and the adjusting body is rotatably connected to the lower portion of the connecting body and fixedly connected with the adjusting base.
4. The multi-degree-of-freedom self-adaptive stress detection probe clamp of claim 1, wherein the adjusting base is a magnetic base, a button switch is arranged on the magnetic base, and the magnetic opening and closing of the magnetic base can be controlled by toggling the button switch.
5. The multi-degree-of-freedom self-adaptive stress detection probe clamp as claimed in claim 1, wherein a spring pulling plate is further arranged at the top end of the sliding support, tension springs are fixedly connected to two ends of the spring pulling plate respectively, the sliding support is a linear guide rail and comprises a sliding block and a straight rail, the sliding block is fixed to the mounting seat through a connecting piece, a probe mounting seat is further arranged at the bottom of the linear guide rail and used for mounting a probe, and the straight rail is fixed to the probe mounting seat and the spring pulling plate through a connecting piece respectively.
6. The multi-degree-of-freedom adaptive stress detection probe clamp of claim 1, wherein the mounting base is further provided with a cable clamp, and a wiring groove is clamped on the cable clamp and used for wiring harness routing and fixing of the probe.
7. The multi-degree-of-freedom adaptive stress-sensing probe fixture of claim 1, wherein the magnetic base is provided with a groove and two inclined surfaces, the groove being located in the middle of the inclined surfaces.
8. The multi-degree-of-freedom adaptive stress-sensing probe fixture of claim 1, wherein the probe is collinear with the groove.
9. The multi-degree-of-freedom self-adaptive stress detection probe clamp of claim 1, wherein two ends of the mounting base are further provided with limiting grooves, and the limiting grooves are used for positioning and adjusting the base.
10. The multi-degree-of-freedom self-adaptive stress detection probe clamp as claimed in claim 1, wherein a mounting groove is formed in the probe mounting seat, the mounting groove is used for positioning and mounting the probe, and the probe is fixedly connected with the probe mounting seat through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740634.6A CN112082678A (en) | 2020-07-28 | 2020-07-28 | Multi-degree-of-freedom self-adaptive stress detection probe clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010740634.6A CN112082678A (en) | 2020-07-28 | 2020-07-28 | Multi-degree-of-freedom self-adaptive stress detection probe clamp |
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|---|---|
| CN112082678A true CN112082678A (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010740634.6A Pending CN112082678A (en) | 2020-07-28 | 2020-07-28 | Multi-degree-of-freedom self-adaptive stress detection probe clamp |
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| CN (1) | CN112082678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326072A (en) * | 2021-01-04 | 2021-02-05 | 成都威尔森科技发展有限责任公司 | Stress detection device |
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| CN201803821U (en) * | 2010-08-20 | 2011-04-20 | 西安航空动力股份有限公司 | Fixture for measuring residual stress of vane |
| CN103267499A (en) * | 2013-06-07 | 2013-08-28 | 武汉大学 | Device for automatically measuring structure parameters of Y-shaped joint of curved plate |
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Application publication date: 20201215 |