CN210398207U - Fixing device of measuring instrument - Google Patents
Fixing device of measuring instrument Download PDFInfo
- Publication number
- CN210398207U CN210398207U CN201921384906.2U CN201921384906U CN210398207U CN 210398207 U CN210398207 U CN 210398207U CN 201921384906 U CN201921384906 U CN 201921384906U CN 210398207 U CN210398207 U CN 210398207U
- Authority
- CN
- China
- Prior art keywords
- measuring instrument
- container
- fastener
- magnetic suction
- connecting rod
- 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
Abstract
The utility model relates to a fixing device of a measuring instrument, wherein, the bottom of a container (1) is provided with an opening for the measuring instrument and a spring pressed on the measuring instrument to be arranged in, the upper part is provided with a wire outlet for a wire of the measuring instrument to pass out, and the caliber of the wire outlet is smaller than the diameter of the spring and larger than the diameter of the wire of the measuring instrument; the fixed hoop (2) is sleeved outside the container (1) and is locked by a locking piece (3); one end of the adjusting part (4) is connected with the locking part (3) through a screw hole, and the other end of the adjusting part is screwed into the screw hole of the magnetic suction seat (6), is rotationally adjusted and is fixed by a locking nut (5); the magnetic suction seat (6) is adsorbed on the experiment platform through magnetism. The utility model discloses can make acoustic emission probe evenly attached in being surveyed a surface, and be difficult for droing during the circumstances such as vibrations, disturbance that take place in the test process, satisfy omnidirectional regulation, not only simple structure, installation are dismantled easily, the maintenance cost is low, be convenient for adjust, are applicable to various being surveyed the rock test block moreover, and the flexibility is very strong.
Description
Technical Field
The utility model relates to a measure technical field, especially relate to a fixing device of measuring instrument.
Background
The acoustic emission monitoring technology is a nondestructive testing method for evaluating the material performance or structural integrity by receiving and analyzing acoustic emission signals of the material, and is widely applied to geotechnical engineering and hydraulic structure tests. In order to ensure the continuity and accuracy of monitoring data, the acoustic emission probe needs to be fixed on the surface of the tested block and does not break away in the experimental process.
The existing fixing method of the acoustic emission probe mainly comprises three types:
the first type is directly fixed by adhesive tapes or clamps, and the like, so that the strength cannot be controlled, and the first type is troublesome to disassemble and difficult to adjust;
the second type is fixed on a rock test block by a magnetic attraction method. The method is only suitable for the rock test block with magnetism, but is not suitable for the rock test block without magnetism or other test materials, and has poor flexibility;
and the third type is that the acoustic emission probe is fixed on the surface of the tested block by a fixing clamp and matched with a spring. This approach is complex to install, not easy to adjust, and is poor in flexibility.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem that the installation dismantlement that prior art exists is loaded down with trivial details, difficult regulation, flexibility are poor, the utility model provides a fixing device of measuring instrument, its installation dismantlement is convenient, be convenient for adjust, and is suitable for various tested test blocks, and the flexibility is very strong.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a fixing device of measuring instrument, it includes:
the device comprises a container, a fixed hoop, a locking piece, an adjusting part, a locking nut and a magnetic suction seat;
the bottom of the container is provided with an opening for loading a measuring instrument and a spring pressed on the measuring instrument, the upper part of the container is provided with a lead outlet for leading out a lead of the measuring instrument, and the caliber of the lead outlet is smaller than the diameter of the spring and larger than the diameter of the lead of the measuring instrument;
the fixed hoop is sleeved outside the container and is locked by a locking piece;
one end of the adjusting part is connected with the locking part through a screw hole, and the other end of the adjusting part is screwed into the screw hole of the magnetic attraction seat and is fixed by a locking nut after being rotationally adjusted;
the magnetic attraction seat is attracted on the experiment platform through magnetism.
More preferably, the adjusting means comprises:
the connecting rod comprises a first connecting rod, a first fastener, a second connecting rod, a second fastener and a fastening nut;
one end of the first connecting rod is fixed with the locking piece through screw joint;
one end of the second connecting rod is a threaded part, and the threaded part can be screwed into a screw hole of the magnetic attraction seat;
the first fastener is sleeved on the other end of the first connecting rod, the second fastener is sleeved on the other end of the second connecting rod, and the butterfly bolt penetrates through the ear plate of the first fastener and the ear plate of the second fastener respectively and then is in threaded connection with the fastening nut.
More preferably, the adjusting means comprises:
bent flat steel, bent round steel or elastic coil pipes.
More preferably, the container is a hollow semi-closed cylindrical tube, a hollow semi-closed conical tube or a hollow semi-closed square tube.
More preferably, a magnetic adjusting rod is arranged on the magnetic suction seat, and the magnetic suction can be started or closed by rotating the magnetic adjusting rod.
By the above-mentioned the technical scheme of the utility model can see out, the utility model has the advantages of as follows:
1. the utility model discloses settle measuring instrument's container only one half seals container and a spring, and can make the acoustic emission probe evenly attached in the measured piece surface in each position with minimum member (two connecting rods), and the vibrations that causes in the test process, in-process such as disturbance are difficult for droing, satisfy omnidirectional regulation, simple structure not only, the installation is dismantled easily, the maintenance cost is low, be convenient for adjust, be applicable to various rock test blocks that are surveyed moreover, the flexibility is very strong.
2. The utility model discloses a half seal container and a spring settle measuring instrument, can effectively cushion the measuring instrument and receive the reaction force of measurand test block to reach the effect of protection instrument.
3. The top of the container is provided with a small hole, so that the wiring is convenient, and a lead is not required to be bent, thereby prolonging the service life of the measuring instrument.
4. The magnetic attraction block is adsorbed on the test platform, so that the measuring instrument keeps the same frequency of action along with the test platform, and the magnetic attraction block is closer to the real environment and enables the measured data of the measuring instrument to be more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2-1 is an enlarged view of portion A of FIG. 1;
FIG. 2-2 is a top view of FIG. 2-1;
fig. 3 is a schematic diagram of the container after the acoustic emission probe is placed.
In the drawings:
the device comprises a container 1, a fixed hoop 2, a locking piece 3, an adjusting part 4, a locking nut 5, a magnetic suction seat 6, a spring 7, an acoustic emission probe 8 and a tested block 9;
a first link 41, a first fastener 42, a second link 43, a second fastener 44, a butterfly bolt 45, and a fastening nut 46;
a wire 81, and a couplant 82.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a fixing device of measuring instrument, it is applicable to the fixing of measuring instruments such as acoustic emission probe, crackle damage test probe. The structure of which is shown in fig. 1 and 2, comprising: container 1, fixed hoop 2, retaining member 3, adjusting part 4, lock nut 5 and magnetism seat 6.
The container 1 can be a semi-sealed cylindrical container, and can also be a container with other shapes, such as a hollow semi-closed conical tube, a hollow semi-closed square tube and the like; the bottom of the measuring instrument is provided with an opening, the upper part of the measuring instrument is provided with a wire outlet, and the caliber of the measuring instrument is smaller than the diameter of the spring and larger than the diameter of the wire of the measuring instrument, so that the wire can conveniently penetrate out. The measuring instrument is loaded into the container 1 from the bottom of the container 1, and the upper portion thereof is pressed by a spring so that the lower surface of the measuring instrument is closely attached to the member to be measured, whereby the measuring instrument is fixed. The lead of the measuring instrument penetrates out from the upper lead outlet so as to be connected with the signal acquisition host.
The fixing hoop 2 is sleeved outside the container 1 and locked by the locking piece 3 to prevent the container 1 from shaking and falling off, thereby ensuring the stability of the measuring instrument arranged in the container 1.
One end of the adjusting part 4 is connected with the locking part 3 through a threaded hole, and the other end of the adjusting part is screwed into the threaded hole of the magnetic attraction seat 6 and is fixed by a locking nut 5 after being rotationally adjusted. The magnetic attraction seat 6 is attracted on the test platform through magnetism, the magnetic attraction seat 6 is provided with a magnetic adjusting rod, and the magnetic attraction can be started or closed through rotating the magnetic adjusting rod.
The above-mentioned adjusting means 4 comprises a first link 41, a first fastener 42, a second link 43, a second fastener 44, a butterfly bolt 45 and a fastening nut 46.
One end of the first connecting rod 41 is transversely provided with a screw hole, and the locking piece 3 passes through the fixing hoop 2 to be in threaded connection with the screw hole on the first connecting rod 41, so that the effect of fixing and adjusting the direction of the container 1 is achieved.
One end of the second link 43 is a threaded portion through which it can be screwed into a threaded hole of the magnetic attraction seat 6.
The other ends of the first link 41 and the second link 43 are connected together by a first fastener 42, a second fastener 44, and a butterfly bolt 45:
the first fastening member 42 and the second fastening member 44 are identical in structure and each include a bushing having an opening at one side thereof and ear plates connected to the bushing at both sides of the opening.
The first fastening piece 42 is sleeved on the first connecting rod 41, the second fastening piece 44 is sleeved on the second connecting rod 43, and the butterfly bolt 45 is in threaded connection with the fastening nut 46 after respectively penetrating through the ear plate of the first fastening piece 42 and the ear plate of the second fastening piece 44. By adjusting the butterfly bolt 45, the height and direction of the first connecting rod 41 can be adjusted at the same time, thereby playing a role in adjusting the direction and height of the container 1.
The above-mentioned adjusting member 4 is described by taking as an example the case including the first link and the second link, but the present invention is not limited to this, and the adjusting member 4 may be a bendable flat steel, a bendable round steel, an elastic coil pipe, or the like. Through the adjustment of the bending angle, the measuring instrument placed in the container 1 can be finely adjusted to be uniformly attached to the surface of the tested block.
The working principle of the utility model is as follows, using the acoustic emission probe as an example:
first, the components of the present invention are installed as shown in fig. 1-3: fixing the container 1 by using a fixing hoop 2 and locking by using a locking piece 3; the adjustment member 4 is assembled according to fig. 2-1 and 2-2; one end of the whole adjusting part 4 is connected with a locking part 3, and the other end is fixed on a magnetic suction seat 6 by a locking nut 5; the magnetic suction seat 6 is started by rotating the magnetic adjusting rod, so that the magnetic suction seat 6 is adsorbed on the experiment platform.
And secondly, the spring 7 and the acoustic emission probe 8 are sequentially installed in the container 1 from bottom to top, and the lead 81 is led out from a lead outlet at the upper part of the container 1 and is connected with an acoustic emission signal acquisition host.
Then, a couplant 82 is coated on the end part of the acoustic emission probe 8, and the adjusting component 4 is adjusted, so that the end part of the acoustic emission probe 8 is uniformly attached to the surface of the block 9 to be tested.
And finally, in the running process of the test platform, the acoustic emission probe 8 is used for collecting the acoustic emission signal of the tested block 9 and transmitting the acoustic emission signal to the acoustic emission signal collection host through the lead 81.
Although the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood by those skilled in the art that the above-described embodiments are merely illustrative of exemplary implementations of the present invention and are not intended to limit the scope of the present invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and any obvious changes such as equivalent transformation, simple replacement, etc. based on the technical solution of the present invention all fall within the protection scope of the present invention without departing from the spirit and scope of the present invention.
Claims (5)
1. A fixing apparatus of a surveying instrument, characterized in that the fixing apparatus of the surveying instrument comprises:
the device comprises a container (1), a fixed hoop (2), a locking piece (3), an adjusting part (4), a locking nut (5) and a magnetic suction seat (6);
the bottom of the container (1) is provided with an opening for loading a measuring instrument and a spring pressed on the measuring instrument, the upper part of the container is provided with a lead outlet for leading out a lead of the measuring instrument, and the caliber of the lead outlet is smaller than the diameter of the spring and larger than the diameter of the lead of the measuring instrument;
the fixed hoop (2) is sleeved outside the container (1) and is locked by a locking piece (3);
one end of the adjusting part (4) is connected with the locking part (3) through a screw hole, and the other end of the adjusting part is screwed into the screw hole of the magnetic suction seat (6), is rotationally adjusted and is fixed by a locking nut (5);
the magnetic suction seat (6) is adsorbed on the experiment platform through magnetism.
2. A fixing device of a measuring instrument according to claim 1, characterized in that the adjusting member (4) comprises:
a first connecting rod (41), a first fastener (42), a second connecting rod (43), a second fastener (44), a butterfly bolt (45) and a fastening nut (46);
one end of the first connecting rod (41) is fixed with the locking piece (3) through screw joint;
one end of the second connecting rod (43) is a threaded part, and the threaded part can be screwed into a screw hole of the magnetic suction seat (6);
the first fastener (42) is sleeved on the other end of the first connecting rod (41), the second fastener (44) is sleeved on the other end of the second connecting rod (43), and the butterfly bolt (45) penetrates through the ear plate of the first fastener (42) and the ear plate of the second fastener (44) respectively and then is in threaded connection with the fastening nut (46).
3. A fixing device of a measuring instrument according to claim 1, characterized in that the adjusting member (4) comprises:
bent flat steel, bent round steel or elastic coil pipes.
4. A fixing device of a measuring instrument according to claim 1,
the container (1) adopts a hollow semi-closed cylindrical tube, a hollow semi-closed conical tube or a hollow semi-closed square tube.
5. A fixing device of a measuring instrument according to claim 1,
the magnetic suction seat (6) is provided with a magnetic adjusting rod, and the magnetic suction can be started or closed by rotating the magnetic adjusting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921384906.2U CN210398207U (en) | 2019-08-23 | 2019-08-23 | Fixing device of measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921384906.2U CN210398207U (en) | 2019-08-23 | 2019-08-23 | Fixing device of measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210398207U true CN210398207U (en) | 2020-04-24 |
Family
ID=70339408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921384906.2U Active CN210398207U (en) | 2019-08-23 | 2019-08-23 | Fixing device of measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210398207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046428A (en) * | 2021-11-22 | 2022-02-15 | 上海电气核电设备有限公司 | Ray source adjusting device |
| CN114646009A (en) * | 2022-03-18 | 2022-06-21 | 江南造船(集团)有限责任公司 | Positioning device for measuring instrument |
-
2019
- 2019-08-23 CN CN201921384906.2U patent/CN210398207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046428A (en) * | 2021-11-22 | 2022-02-15 | 上海电气核电设备有限公司 | Ray source adjusting device |
| CN114646009A (en) * | 2022-03-18 | 2022-06-21 | 江南造船(集团)有限责任公司 | Positioning device for measuring instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5457994A (en) | Nondestructive evaluation of non-ferromagnetic materials using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions | |
| US5821430A (en) | Method and apparatus for conducting in-situ nondestructive tensile load measurements in cables and ropes | |
| Alleyne et al. | The excitation of Lamb waves in pipes using dry-coupled piezoelectric transducers | |
| CN210398207U (en) | Fixing device of measuring instrument | |
| US5456113A (en) | Nondestructive evaluation of ferromagnetic cables and ropes using magnetostrictively induced acoustic/ultrasonic waves and magnetostrictively detected acoustic emissions | |
| US5675087A (en) | Fastener characterization with an electromagnetic acoustic transducer | |
| US7474092B1 (en) | Method and device for long-range guided-wave inspection of fire side of waterwall tubes in boilers | |
| US7706985B2 (en) | System and method for in-situ monitoring of composite materials | |
| US10782161B2 (en) | Ultrasonic transducer mounting apparatus for attaching a transducer block to a pipeline | |
| EP0399583A2 (en) | Apparatus and method for analysing the pulse propagation for testing a pipeline or the like | |
| JPH02212734A (en) | Apparatus and method for detecting change in structual integrity of structural member | |
| CN201653999U (en) | Intelligent ultrasonic transverse wave and longitudinal wave comprehensive tester | |
| CN107703161B (en) | Shock stress wave detection system | |
| JPH09508959A (en) | Electromagnetic acoustic transducer for bolt tension and load measurement | |
| Cascante et al. | Low strain measurements using random noise excitation | |
| CN112557499A (en) | Experimental method for influence of joints on stress wave transmission and reflection rules based on ultrasonic waves | |
| CN105388210B (en) | Suspension cable damage detection apparatus and detection method based on temporary steel diagonal brace | |
| CN202421134U (en) | Vibrating beam type material damping performance tester | |
| CN107843206A (en) | A kind of bridge pier curvature displacement test device and method of testing | |
| CN208171930U (en) | A kind of acoustic emission probe accurate-location device of Rock Under Uniaxial Compression experiment | |
| CN107676636B (en) | A kind of pipeline leakage testing sensor fixing means | |
| CN210269728U (en) | A multisensor fixing device for coal petrography acoustic emission experiment test | |
| WO1999053282A1 (en) | Method and apparatus for conducting in-situ nondestructive tensile load measurements in cables and ropes | |
| Semke et al. | A dynamic investigation of piping systems with a bolted flange | |
| CN110940737B (en) | Low-frequency phonon emission monitoring device for damage diagnosis of buried pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |