CN210626259U - Auxiliary fixing device for flat plate sample for vibration cavitation test - Google Patents
Auxiliary fixing device for flat plate sample for vibration cavitation test Download PDFInfo
- Publication number
- CN210626259U CN210626259U CN201920781428.2U CN201920781428U CN210626259U CN 210626259 U CN210626259 U CN 210626259U CN 201920781428 U CN201920781428 U CN 201920781428U CN 210626259 U CN210626259 U CN 210626259U
- Authority
- CN
- China
- Prior art keywords
- sample
- plate
- frequency converter
- fixing
- fixing plate
- 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 discloses a flat plate sample auxiliary fixing device for vibration cavitation test, which comprises a frequency converter lifting bracket, a frequency converter fixing ring, a frequency converter fixing plate, a distance adjusting ring, a sample limiting plate and a sample fixing plate; the frequency converter lifting support comprises a bottom plate, an upright post fixed on the bottom plate, a movable cross arm matched with the upright post, and an auxiliary fixing device fixing circular ring arranged at the end part of the movable cross arm; the distance adjusting ring is assembled with the frequency converter fixing plate through threads; a through hole is formed in the center of the sample limiting plate; also comprises more than 3 long rods; the frequency converter fixing plate, the sample limiting plate and the sample fixing plate are sequentially connected through a long rod; still include the sample fixing bolt more than 3. The utility model discloses with fixed dull and stereotyped sample among the vibration cavitation erosion test, the device guarantees the dull and stereotyped experimental distance to the sample device horn terminal surface and the position of experimental region at every turn, and then improves the accuracy of dull and stereotyped sample vibration cavitation erosion sample evaluation method.
Description
Technical Field
The utility model relates to a test instrument equipment device makes the field, specifically indicates a vibration cavitation erosion is experimental with supplementary fixing device of dull and stereotyped sample.
Background
One of common damage forms of the flow passage component of the cavitation erosion hydraulic machine, and the cavitation erosion resistant coating technology is an effective way for improving the cavitation erosion damage capability of the flow passage component and solving the corrosion problem of the flow passage component. At present, a GBT 6383-. The sample is a screw thread with the diameter equal to the outer diameter of the top end of the amplitude transformer, one end of the sample is provided with a screw thread matched with the threaded hole of the amplitude transformer, and the coating is prepared on the end surface of the sample with the screw thread. Because the sample of this method is threaded, sample processing and dismouting are all more complicated, and easily cause the quality loss in the dismouting process, lead to the test of part organic coating sample to be not suitable. Therefore, in the actual cavitation test evaluation of the coating material, a method of making the coating material into a flat plate sample and then placing the flat plate sample at a parallel position with a certain distance from the lower end of the amplitude transformer for cavitation is adopted in many cases, when the method is used for evaluating the cavitation performance of the coating material, the distance from the end face of the coating layer to the end face of the amplitude transformer, and the position of a test area after each observation and measurement of weightlessness and appearance directly influence the accuracy of test data, so that the distance from the end face of the flat plate test to the end face of the amplitude transformer and the position of the test area at each time are ensured to be fixed to key factors by adopting an auxiliary fixing device, and the method is a key problem which needs to be solved urgently by.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vibration cavitation erosion is experimental with supplementary fixing device of dull and stereotyped sample, with fixed dull and stereotyped sample among the vibration cavitation erosion is experimental, the device guarantees the distance of dull and stereotyped experiment to sample device amplitude transformer terminal surface and experimental regional position at every turn, and then improves the accuracy of dull and stereotyped sample vibration cavitation erosion sample evaluation method.
In order to achieve the above object, the utility model provides a vibration cavitation erosion is experimental with supplementary fixing device of dull and stereotyped sample, its characterized in that: the device comprises a frequency converter lifting support, a frequency converter fixing ring, a frequency converter fixing plate, a distance adjusting ring, a sample limiting plate and a sample fixing plate;
the frequency converter lifting support comprises a bottom plate, an upright post fixed on the bottom plate, a movable cross arm matched with the upright post, and an auxiliary fixing device fixing circular ring arranged at the end part of the movable cross arm;
the frequency converter fixing plate comprises a distance adjusting ring assembling through hole arranged in the center of the frequency converter fixing plate; the distance adjusting ring is arranged in the distance adjusting ring assembling through hole; the outer circle of the distance adjusting ring is provided with an external thread, the central through hole of the frequency converter fixing plate is provided with an internal thread, and the distance adjusting ring and the frequency converter fixing plate are assembled through threads;
a distance scale is arranged on the outer circle of the lower part of the distance adjusting ring; a T-shaped table for fixing a fixed ring of the frequency converter is arranged in the outer circle of the distance adjusting ring;
a through hole is formed in the center of the sample limiting plate; the middle area of the sample fixing plate is provided with more than 3 fixing bolt holes;
also comprises more than 3 long rods; the frequency converter fixing plate, the sample limiting plate and the sample fixing plate are sequentially connected through a long rod; the frequency converter fixing plate, the sample limiting plate and the sample fixing plate are connected through a long rod in a screw rod, sleeve and nut connection mode, or long rod welding mode, or long rod adhesive bonding mode;
still include the sample fixing bolt more than 3, sample fixing bolt and the fixed bolt hole cooperation of sample fixed plate middle zone are connected.
As a preferred scheme, the frequency converter fixing plate, the sample limiting plate and the sample fixing plate are connected through a long rod in a screw rod, sleeve and nut mode; 4 first screw rod through holes at four corners of the frequency converter fixing plate; four corners of the sample limiting plate are provided with 4 second screw holes; four corners of the sample fixing plate are provided with 4 third screw holes; the number of the long rods is 4; the frequency converter fixing plate, the sample limiting plate and the sample fixing plate are connected through 4 first screw rod through holes, 4 second screw rod holes, 4 third screw rod holes and 4 long rods in sequence.
Furthermore, the frequency converter fixing plate, the distance adjusting ring, the sample limiting plate and the sample fixing plate are made of any one of plastics, aluminum alloy, stainless steel or carbon steel.
Furthermore, the frequency converter fixing plate, the sample limiting plate and the sample fixing plate are any one of square, round or hexagonal.
Furthermore, the central through hole of the sample limiting plate is any one of a circle, a square and other polygons.
The utility model has the advantages and beneficial effects as follows: the utility model provides a vibration cavitation test is with supplementary fixing device of dull and stereotyped sample, including converter lifting support, converter fixed plate, distance adjusting ring, sample limiting plate and sample fixed plate, the sample passes through the fixed bolt location of sample fixed plate bottom and fixes the laminating at sample limiting plate lower surface, and sample limiting plate center makes the sample surface expose for the through-hole for cavitation erosion destroys; the sample fixed plate, the sample limiting plate passes through the stock to be connected with the converter fixed plate, the converter passes through solid fixed ring, fixed assembly is on the distance adjusting ring, the distance adjusting ring passes through the screw thread and is connected with the converter fixed plate, when guaranteeing the position of converter fixed plate and distance adjusting ring, can guarantee the distance of converter lower extreme amplitude transformer terminal surface to sample terminal surface, during the time-out inspection in the experiment, can get down the converter in proper order, the converter fixed plate, sample fixing bolt and dull and stereotyped sample, carry out weight and appearance and measure the back, fix the sample on the sample limiting plate through the bolt once more, guarantee the bolt position at the dull and stereotyped sample back unchangeable, can guarantee again that cavitation erosion test's region is unchangeable, can guarantee the accuracy of. According to the requirement, the distance from the end face of the amplitude transformer to the end face of the sample is adjusted by adjusting the positions of the frequency converter fixing plate and the distance adjusting ring through threads between the frequency converter fixing plate and the distance adjusting ring. In addition, the distance scale is arranged on the excircle of the lower part of the distance adjusting ring, so that the distance from the end face of the amplitude transformer to the end face of the sample can be conveniently adjusted.
Drawings
FIG. 1 is a schematic view of a frequency converter used with the present invention;
fig. 2 is a schematic view of the lifting bracket of the frequency converter of the present invention;
fig. 3 is an assembly schematic view of the frequency converter fixing plate, the distance adjusting ring, the sample limiting plate and the sample fixing plate of the present invention;
fig. 4 is an assembly schematic view of the flat plate sample auxiliary fixing device for the vibration cavitation test of the present invention;
fig. 5 is a schematic view of the structure of the utility model in use.
In the figure: the frequency converter comprises a frequency converter 1, a frequency converter fixing ring 2, a variable amplitude rod 3, a frequency converter fixing plate 4, a distance adjusting ring 5, a long rod 6, a sample limiting plate 7, a sample fixing plate 8, a sample fixing bolt 9, a movable cross arm 10, a stand column 11, a bottom plate 12, an auxiliary fixing device fixing ring 13 and a water tank 14.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Vibration cavitation erosion test is with dull and stereotyped sample auxiliary fixture as shown in the figure, its characterized in that: the device comprises a frequency converter lifting support, a frequency converter fixing ring 2, a frequency converter fixing plate 4, a distance adjusting ring 5, a sample limiting plate 7 and a sample fixing plate 8; the frequency converter lifting support comprises a bottom plate 12, a vertical column 11 fixed on the bottom plate 12, a movable cross arm 10 matched with the vertical column 11, and an auxiliary fixing device fixing circular ring 13 arranged at the end part of the movable cross arm 10;
the frequency converter fixing plate 4 comprises a distance adjusting ring assembly through hole arranged in the center of the frequency converter fixing plate 4; the distance adjusting ring 5 is arranged in the distance adjusting ring assembling through hole; an external thread is arranged on the excircle of the distance adjusting ring 5, an internal thread is arranged in a central through hole of the frequency converter fixing plate 4, and the distance adjusting ring 5 and the frequency converter fixing plate 4 are assembled through threads; a distance scale is arranged on the outer circle of the lower part of the distance adjusting ring 5; a T-shaped table for fixing the frequency converter fixing ring 2 is arranged in the outer circle of the distance adjusting ring 5; a through hole is formed in the center of the sample limiting plate 7; more than 3 fixing bolt holes are formed in the middle area of the sample fixing plate 8;
also comprises more than 3 long rods 6; the frequency converter fixing plate 4, the sample limiting plate 7 and the sample fixing plate 8 are sequentially connected through the long rod 6; the frequency converter fixing plate 4, the sample limiting plate 7 and the sample fixing plate 8 are connected through a long rod 6 in a screw rod, sleeve and nut connection mode, or long rod welding mode, or long rod adhesive bonding mode; the test sample fixing device further comprises more than 3 test sample fixing bolts 9, and the test sample fixing bolts 9 are connected with the fixing bolt holes in the middle area of the test sample fixing plate 8 in a matched mode.
The frequency converter fixing plate 4, the sample limiting plate 7 and the sample fixing plate 8 are connected through a long rod 6 in a screw rod, sleeve and nut mode; 4 first screw rod through holes at four corners of the frequency converter fixing plate 4; four corners of the sample limiting plate 7 are provided with 4 second screw holes; four corners of the sample fixing plate 8 are provided with 4 third screw holes; the number of the long rods 6 is 4; converter fixed plate 4, sample limiting plate 7 and 8 three of sample fixed plate loop through 4 first screw rod through-holes, 4 second screw rod holes, 4 third screw rod holes and 4 stock 6 connections.
The auxiliary fixing device for a flat plate sample for a vibration cavitation test according to claim 1 or 2, characterized in that: the frequency converter fixing plate 4, the distance adjusting ring 5, the sample limiting plate 7 and the sample fixing plate 8 are made of any one of plastics, aluminum alloy, stainless steel or carbon steel. The frequency converter fixing plate 4, the sample limiting plate 7 and the sample fixing plate 8 are any one of square, round or hexagonal. The central through hole of the sample limiting plate 7 is any one of a circle, a square and other polygons.
The use method of the utility model is described in detail as follows:
firstly, a sample is placed between a sample limiting plate 7 and a sample fixing plate 8, then a sample fixing bolt 9 is fastened, the distance from the surface of the sample to the end face of an amplitude transformer 3 is adjusted to a required value through a thread between a distance adjusting ring 5 and a frequency converter fixing plate 4 and a ruler on the distance adjusting ring, then the frequency converter fixing plate 4, the distance adjusting ring 5, the sample limiting plate 7 and the sample fixing plate 8 are integrally placed on an auxiliary fixing device fixing ring 13 at the end part of a movable cross arm 10 of a frequency converter lifting support, finally, the frequency converter 1 is placed and assembled on a T-shaped table of the distance adjusting ring 5 through a frequency converter fixing ring 2, namely, the fixed installation of the sample is completed, the up-down distance of the movable cross arm 10 on a support upright post 11 is adjusted, the height of the sample immersed in a water tank 14 is adjusted to.
When the experiment is to the required observation period, can take down converter 1 in proper order, converter fixed plate 4, sample fixing bolt 9 and flat sample, carry out weight and appearance measurement back, fix the sample on the sample limiting plate through the bolt once more, guarantee the bolt position at the flat sample back unchangeable, can guarantee again that cavitation erosion test's region is unchangeable, can guarantee the accuracy of experimental data.
The utility model provides a vibration cavitation erosion is experimental with supplementary fixing device of dull and stereotyped sample can guarantee the relative distance of the distance of converter lower extreme amplitude transformer terminal surface to the sample terminal surface to and experimental pause carries out weight and appearance and measures the back, when the installation is experimental once more, cavitation erosion region position is unchangeable, can effectively guarantee the accuracy of test data. Meanwhile, the distance from the end face of the amplitude transformer to the end face of the sample is conveniently adjusted, and different detection test requirements are met.
Claims (6)
1. The utility model provides a vibration cavitation erosion is experimental with dull and stereotyped sample auxiliary fixture which characterized in that: the device comprises a frequency converter lifting support, a frequency converter fixing ring (2), a frequency converter fixing plate (4), a distance adjusting ring (5), a sample limiting plate (7) and a sample fixing plate (8);
the frequency converter lifting support comprises a bottom plate (12), an upright post (11) fixed on the bottom plate (12), a movable cross arm (10) matched with the upright post (11), and an auxiliary fixing device fixing circular ring (13) arranged at the end part of the movable cross arm (10);
the frequency converter fixing plate (4) comprises a distance adjusting ring assembly through hole arranged in the center of the frequency converter fixing plate (4); the distance adjusting ring (5) is arranged in the distance adjusting ring assembling through hole; the outer circle of the distance adjusting ring (5) is provided with an external thread, the central through hole of the frequency converter fixing plate (4) is provided with an internal thread, and the distance adjusting ring (5) and the frequency converter fixing plate (4) are assembled through threads;
a distance scale is arranged on the excircle of the lower part of the distance adjusting ring (5); a T-shaped table for fixing the fixed ring (2) of the frequency converter is arranged in the excircle of the distance adjusting ring (5);
a through hole is formed in the center of the sample limiting plate (7); the middle area of the sample fixing plate (8) is provided with more than 3 fixing bolt holes;
also comprises more than 3 long rods (6); the frequency converter fixing plate (4), the sample limiting plate (7) and the sample fixing plate (8) are connected sequentially through a long rod (6); the frequency converter fixing plate (4), the sample limiting plate (7) and the sample fixing plate (8) are connected through a long rod (6) in a screw rod, sleeve and nut connection mode, or long rod welding or long rod adhesive bonding mode;
the test sample fixing device is characterized by further comprising more than 3 test sample fixing bolts (9), wherein the test sample fixing bolts (9) are connected with the fixing bolt holes in the middle area of the test sample fixing plate (8) in a matched mode.
2. The auxiliary fixing device for the flat plate sample for the vibration cavitation test according to claim 1, characterized in that: the frequency converter fixing plate (4), the sample limiting plate (7) and the sample fixing plate (8) are connected through a long rod (6) in a screw rod, sleeve and nut mode; 4 first screw through holes at four corners of the frequency converter fixing plate (4); four corners of the sample limiting plate (7) are provided with 4 second screw holes; four corners of the sample fixing plate (8) are provided with 4 third screw holes; the number of the long rods (6) is 4; frequency converter fixed plate 4, sample limiting plate (7) and sample fixed plate (8) three loop through 4 first screw rod through-holes, 4 second screw rod holes, 4 third screw rod holes and 4 stock (6) are connected.
3. The auxiliary fixing device for the flat plate sample for the vibration cavitation test according to claim 1 or 2, characterized in that: the frequency converter fixing plate (4), the distance adjusting ring (5), the sample limiting plate (7) and the sample fixing plate (8) are made of any one of plastics, aluminum alloy, stainless steel or carbon steel.
4. The auxiliary fixing device for the flat plate sample for the vibration cavitation test according to claim 1 or 2, characterized in that: the frequency converter fixing plate (4), the sample limiting plate (7) and the sample fixing plate (8) are any one of square, round or hexagonal.
5. The auxiliary fixing device for the flat plate sample for the vibration cavitation test according to claim 3, characterized in that: the frequency converter fixing plate (4), the sample limiting plate (7) and the sample fixing plate (8) are any one of square, round or hexagonal.
6. The auxiliary fixing device for the flat plate sample for the vibration cavitation test according to claim 5, characterized in that: the central through hole of the sample limiting plate (7) is circular or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781428.2U CN210626259U (en) | 2019-05-28 | 2019-05-28 | Auxiliary fixing device for flat plate sample for vibration cavitation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781428.2U CN210626259U (en) | 2019-05-28 | 2019-05-28 | Auxiliary fixing device for flat plate sample for vibration cavitation test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210626259U true CN210626259U (en) | 2020-05-26 |
Family
ID=70758106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920781428.2U Active CN210626259U (en) | 2019-05-28 | 2019-05-28 | Auxiliary fixing device for flat plate sample for vibration cavitation test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210626259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487889A (en) * | 2022-07-05 | 2022-12-20 | 吉林大学 | Multifunctional experiment table integrating antifouling, corrosion prevention and cavitation erosion resistance |
-
2019
- 2019-05-28 CN CN201920781428.2U patent/CN210626259U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487889A (en) * | 2022-07-05 | 2022-12-20 | 吉林大学 | Multifunctional experiment table integrating antifouling, corrosion prevention and cavitation erosion resistance |
| CN115487889B (en) * | 2022-07-05 | 2024-01-09 | 吉林大学 | Multifunctional experiment table integrating antifouling, anticorrosion and cavitation erosion resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107643039B (en) | Tool for detecting mounting precision of rudder bearing base and using method thereof | |
| CN210626259U (en) | Auxiliary fixing device for flat plate sample for vibration cavitation test | |
| CN104792882A (en) | Ultrasonic probe positioning device and method adopting laser pointer | |
| CN109540944A (en) | A kind of high-precision probe clamping device for Sample location in neutron diffraction measurement | |
| CN214306366U (en) | Acceleration sensor fixing device for pipeline vibration measurement | |
| CN113203542A (en) | Netting hydrodynamic test device and test method | |
| CN211440076U (en) | Load measuring clamp for industrial robot | |
| CN211234266U (en) | Measuring tool for measuring concentricity of large drill | |
| CN110816779B (en) | Device and system for continuously monitoring and assisting in adjusting levelness of component | |
| CN114136850A (en) | Automatic distance adjusting device applied to underwater laser particle analyzer | |
| CN110702442A (en) | Device and method for measuring tensile and pressure resistance of underwater instrument | |
| CN209400563U (en) | A kind of three-axis acceleration sensor erection support | |
| CN209167222U (en) | A kind of tooling suitable for carrying out ultrasonic flaw detection to plate | |
| CN210128950U (en) | Auxiliary cathode device for testing electrochemical performance of sacrificial anode | |
| CN208606670U (en) | A kind of feeder line clamp test device | |
| CN102297321A (en) | Test piece supporting and fixing device for radiographic inspection machine | |
| CN213933537U (en) | Tool for testing bonding strength of foundation reinforcing material and rod | |
| CN220230351U (en) | Axial runout detection mechanism for variable-pitch bearing of wind generating set | |
| CN214747688U (en) | Threaded inner hole detection equipment | |
| CN216050582U (en) | Support for testing pool hydrodynamic parameters of underwater vibration table | |
| CN220016794U (en) | Universal gauge bracket | |
| CN204536278U (en) | Camera is utilized to carry out the device of ultrasonic probe location | |
| CN216646169U (en) | Density detection assembly based on electronic balance | |
| CN217404070U (en) | Automatic distance adjusting device applied to underwater laser particle analyzer | |
| CN210603953U (en) | Measuring device for tensile and pressure resistance of underwater instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |