Vibration meter fixing device and measuring system
By using a gantry bracket and a fixed slide rail structure to fix the vibration meter, the problems of durability, applicability and disassembly complexity of the existing device are solved. This achieves stable fixing and simple disassembly of the vibration meter, improving the stability and accuracy of mechanical vibration testing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing vibration meter mounting devices are inadequate in terms of durability, applicability, and disassembly complexity, failing to meet the stable mounting requirements of different material surfaces, and are costly to replace.
The device employs a gantry bracket and fixed slide rail structure, uses high-strength bolts to connect the vibration meter, and combines a multi-degree-of-freedom adjustment unit to achieve stable fixation and easy disassembly of the vibration meter, making it suitable for various material surfaces.
This technology achieves a high degree of fixation, low replacement cost, and simple disassembly of the vibration meter, improving the stability and accuracy of mechanical vibration testing and reducing the difficulty of testing.
Smart Images
Figure CN224051444U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to detection technical field especially relates to a kind of vibration measuring instrument fixing device and measurement system. BACKGROUND
[0002] Vibration measuring instrument is used to measure mechanical vibration, and when measuring mechanical vibration, it is necessary to use vibration measuring instrument fixing device to firmly install vibration measuring instrument on the surface of the measured object or measurement position. The measurement accuracy of mechanical vibration and the stability of measurement process are closely related to the vibration measuring instrument fixing device.
[0003] Commonly used vibration measuring instrument fixing device includes magnetic force suction disc type fixing device, pasting type fixing device and screw fixing device. The magnetic force suction disc type fixing device uses magnetic force to adsorb vibration measuring instrument on metal surface, which is simple to operate but has low durability, is only suitable for temporary measurement and is also not suitable for non-ferromagnetic materials (such as aluminum, plastic, etc.). The pasting type fixing device uses glue, double-sided tape or special adhesive to fix vibration measuring instrument on the surface of the measured object. It is firm and suitable for various material surfaces, but the installation and disassembly are relatively complex, which may cause damage to the measured surface. The screw fixing device fixes vibration measuring instrument on the surface of the measured object through screws. The vibration measuring instrument can be fixed very firmly, which is suitable for long-term stable measurement, but tools are needed for installation and disassembly, and the cost of replacing vibration measuring instrument is high and the operation is complex.
[0004] Therefore, it is one of the urgent problems in the measurement field to design a vibration measuring instrument fixing device with high fixing degree, simple disassembly, low replacement cost of vibration measuring instrument and wide applicability. INVENTION CONTENTS
[0005] The utility model provides a kind of vibration measuring instrument fixing device and measurement system, the fixing degree of vibration measuring instrument fixing device is high, disassembly is simple, the replacement cost of vibration measuring instrument is low, and the applicability is extensive, effectively reduce the difficulty of mechanical vibration test work, improve the detection accuracy of mechanical vibration information.
[0006] According to one aspect of the utility model, a vibration measuring instrument fixing device is provided, which includes a gantry support and a fixed slide rail. The gantry support includes a first support column, a second support column and a first cross beam.
[0007] The first cross beam is arranged in parallel with the measurement surface of the equipment to be measured. The first end of the first support column is fixedly connected with the first end of the first cross beam. The second end of the second support column is fixedly connected with the second end of the first cross beam. The first support column and the second support column are arranged in parallel.
[0008] The second end of the first pillar and the second end of the second pillar are fixedly connected to a measurement surface of the device under test, the fixed slide rail is fixedly connected to the first cross beam, and the device fixing unit of the fixed slide rail is located between the first pillar and the second pillar and is used for fixing the vibration tester so that the vibration tester determines mechanical vibration information of the device under test.
[0009] Optionally, the fixed end of the fixed slide rail is connected to the third end of the first cross beam, and the third end of the first cross beam is located between the first end and the second end of the first cross beam.
[0010] Optionally, the gantry frame further comprises a second cross beam and a third cross beam; the second end of the first pillar is fixedly connected to the measurement surface of the device under test through the second cross beam, and the second end of the second pillar is fixedly connected to the measurement surface of the device under test through the third cross beam.
[0011] Optionally, the first end of the first pillar and the first end of the first cross beam are fixedly connected through at least two strength bolts, the second end of the first pillar and the second cross beam are fixedly connected through at least two strength bolts, and the second cross beam and the measurement surface of the device under test are fixedly connected through at least three strength bolts; the first end of the second pillar and the second end of the first cross beam are fixedly connected through at least two strength bolts, the second end of the second pillar and the third cross beam are fixedly connected through at least two strength bolts, and the third cross beam and the measurement surface of the device under test are fixedly connected through at least three strength bolts.
[0012] Optionally, the device fixing unit comprises at least one fixing clamp, and the fixing clamp is used for fixing the vibration tester.
[0013] Optionally, the fixed slide rail comprises a first adjusting unit, the first adjusting unit is fixedly connected to the first cross beam, and is used for adjusting the position of the device fixing unit in a first direction, the first direction is perpendicular to the measurement surface of the device under test.
[0014] Optionally, the fixed slide rail further comprises a second adjusting unit, the second adjusting unit is fixedly connected to the first cross beam, and is used for adjusting the position of the device fixing unit in a second direction, the second direction is parallel to the measurement surface of the device under test, the first pillar and the second pillar, and is perpendicular to the first cross beam.
[0015] Optionally, the fixed slide rail further comprises a third adjusting unit, the third adjusting unit is fixedly connected to the first cross beam, and is used for adjusting the position of the device fixing unit in a third direction, the third direction is perpendicular to the first pillar and the second pillar, and is parallel to the first cross beam.
[0016] Optionally, the fixed slide rail further comprises a fourth adjusting unit, the fourth adjusting unit is fixedly connected to the first cross beam, and is used for adjusting the inclination angle of the device fixing unit.
[0017] According to another aspect of the utility model, a kind of measurement system is provided, the measurement system includes: equipment to be measured, vibration meter and the vibration meter fixing device in any embodiment of the utility model.
[0018] The vibration meter fixing device of the utility model includes: portal frame and fixed slide rail, wherein the portal frame includes first support, second support and first crossbeam;First crossbeam is parallelly arranged with the measurement surface of equipment to be measured, the first end of first support is fixedly connected with the first end of first crossbeam, the second end of second support and the second end of first crossbeam are fixedly connected, first support and second support are parallelly arranged;The second end of first support and the second end of second support are fixedly connected with the measurement surface of equipment to be measured, fixed slide rail is fixedly connected with first crossbeam, and the equipment fixing unit of fixed slide rail is located between first support and second support, for fixing vibration meter, so that vibration meter determines the mechanical vibration information of equipment to be measured.The utility model uses the fixed slide rail of vibration meter fixing device to configure vibration meter in the test position of equipment to be measured, and when vibration meter is disassembled, equipment to be measured will not be damaged, vibration meter is simple to disassemble, and replacement cost is low;Vibration meter fixing device is fixedly connected with equipment to be measured, and the stability of test work is high, the difficulty of mechanical vibration test work is low, and the detection accuracy of mechanical vibration information is high, that is, the vibration meter fixing device of the utility model can effectively reduce the difficulty of mechanical vibration test work, and improve the detection accuracy of mechanical vibration information.The problems, such as that magnetic force chuck type fixing device has low durability, is suitable for temporary measurement and is not suitable for non-ferromagnetic material, that sticking type fixing device is relatively complex to install and disassemble, can cause damage to the measured surface, that installation and disassembly are relatively complex and can cause damage to the measured surface, and that tools are needed for installation and disassembly, replacement cost of vibration meter is high and operation is complex, are solved.
[0019] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the utility model, and is not used to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the utility model, the drawings needed to be used in the embodiment description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creating labor for those skilled in the art.
[0021] Figure 1 It is the structure schematic view of a kind of vibration meter fixing device provided by the utility model;
[0022] Figure 2 It is the inclined view structure schematic view of a kind of vibration meter fixing device provided by the utility model;
[0023] Figure 3 is a bottom view structural schematic diagram of the vibration measuring instrument fixing device provided by the utility model,
[0024] Figure 4 is a side view structural schematic diagram of the vibration measuring instrument fixing device provided by the utility model,
[0025] Figure 5 is a structural schematic diagram of a measurement system provided by the utility model.
[0026] Reference signs:
[0027] 1-vibration measuring instrument fixing device, 11-first cross beam, 12-first support column, 13-second support column, 14-second cross beam, 15-third cross beam, 16-fixing slide rail, 17-equipment fixing unit, 18-first adjusting unit, 19-second adjusting unit, 2-vibration measuring instrument, 21-light source lens, 3-equipment to be measured. DETAILED DESCRIPTION
[0028] In order that the persons skilled in the art can better understand the utility model scheme, the technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model below. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the persons skilled in the art without making creative labor should belong to the protection scope of the utility model.
[0029] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.
[0030] Figure 1 is a structural schematic diagram of a vibration measuring instrument fixing device provided by the utility model, Figure 2 is an oblique view structural schematic diagram of a vibration measuring instrument fixing device provided by the utility model, Figure 3 is a bottom view structural schematic diagram of the vibration measuring instrument fixing device provided by the utility model, Figure 4It is a side view structural schematic diagram of the vibration measuring instrument fixing device, the embodiment can be applied to simple, rapid, accurate and low-cost determination of mechanical vibration conditions of the to-be-measured equipment, Figure 1 It is a front view (i.e. an elevation view) of the vibration measuring instrument fixing device, Figure 2 It is a perspective view of the vibration measuring instrument fixing device, Figure 3 It is a structure view from the bottom of the vibration measuring instrument fixing device to the top, Figure 4 It is a side view of the vibration measuring instrument fixing device, for reference Figures 1 to 4 The vibration measuring instrument fixing device 1 specifically comprises a portal frame and a fixing slide rail, the portal frame adopts a "door" shaped structure and comprises a first support column 12, a second support column 13 and a first cross beam 11.
[0031] The first cross beam 11 is a horizontal cross beam arranged in parallel with a measurement surface of the to-be-measured equipment, the first support column 12 and the second support column 13 are two vertical support columns arranged perpendicularly to the measurement surface of the to-be-measured equipment, the first end of the first support column 12 is fixedly connected with the first end of the first cross beam 11, the second end of the second support column 13 and the second end of the first cross beam 11 are fixedly connected, and the first support column 12 and the second support column 13 are arranged in parallel; the second end of the first support column 12 and the second end of the second support column 13 are fixedly connected with the measurement surface of the to-be-measured equipment, the fixing slide rail 16 is fixedly connected with the first cross beam 11, the equipment fixing unit 17 of the fixing slide rail 16 is located between the first support column 12 and the second support column 13, and is used for fixing the vibration measuring instrument, so that the vibration measuring instrument determines the mechanical vibration information of the to-be-measured equipment, and the port numbers of various components are not shown in the figure.
[0032] The utility model discloses a measured equipment can be the microscopic laser vibration measuring instrument of semiconductor gallium nitride (Gallium Nitride, GaN) test, and GaN is a kind of wide band gap semiconductor material, with high electron saturation speed, high electron mobility, high thermal conductivity and other characteristics, widely used in high frequency, high power, high voltage electronic devices, for example, the fifth generation mobile communication technology (5th Generation, 5G) communication, fast charger, new energy vehicle and other fields.GaN test includes:1) gallium nitride material characteristic test, this test usually includes the physical characteristics such as crystal structure, band gap, carrier concentration, mobility of material;2) gallium nitride device performance test, this test involves the electrical characteristics (such as current, voltage, power) of device, thermal characteristics (such as thermal resistance, heat dissipation performance) and reliability (such as life test, durability test) etc.;3) gallium nitride high frequency characteristic test, this test is mainly used to evaluate the performance of GaN device in high frequency application, such as high frequency switching characteristic, radio frequency (Radio Frequency, RF) performance etc.;4) gallium nitride reliability test, this test mainly includes durability test and life evaluation under extreme conditions such as high temperature, high humidity, high voltage etc.;5) gallium nitride packaging test, this test mainly evaluates the performance of GaN device after packaging in actual application, including the air tightness of packaging, heat dissipation performance etc.GaN device has high frequency switching characteristic, and current peak value and pressure drop speed are faster, high frequency oscillation is prone to appear in the testing process, influence test precision, the vibration measuring instrument fixing device of the utility model can adopt high-strength material to improve the structural rigidity and stability of device, ensure that test result is not influenced by deformation or loosening of device itself in high frequency vibration test, guarantee the stability of high frequency vibration test, improve test precision.
[0033] The fixed end of the fixed slide rail is connected to the third end of the first cross beam, and the third end of the first cross beam is located between the first end and the second end of the first cross beam, Figure 2 The third end of the first cross beam is located at the center of the first cross beam, that is, the distance between the third end of the first cross beam and the first end and the second end of the first cross beam is equal, and the purpose of this arrangement is to reasonably place the vibration measuring instrument in the middle of the gantry support, to ensure that the vibration measuring instrument does not collide with the first pillar and the second pillar and has a certain redundant space.
[0034] Figure 5 It is a structural schematic diagram of a measurement system provided by the utility model, Figure 5 The yellow structure in the figure is a gantry support, specifically, in combination with Figure 1 And Figure 5 It can be seen that the gantry support further includes a second cross beam 14 and a third cross beam 15, and the second end of the first pillar 12 is fixedly connected to the measurement surface of the measured equipment 3 through the second cross beam 14, and the second end of the second pillar 13 is fixedly connected to the measurement surface of the measured equipment 3 through the third cross beam 15.
[0035] Figure 2 and Figure 3 The round holes on the second and third crossbeams can be understood as fasteners between various structures, such as high-strength fixing bolts (referred to as strength fixing bolts) that can better secure the two components. The thickened round holes in the figure can be understood as strength fixing bolts between the support and the crossbeam, while the unthickened round holes can be understood as strength fixing bolts between the crossbeam and the device under test.
[0036] The first end of the first support column is fixedly connected to the first end of the first crossbeam by at least two strength bolts, the second end of the first support column is fixedly connected to the second crossbeam by at least two strength bolts, and the second crossbeam is fixedly connected to the measuring surface of the device under test by at least three strength bolts; the first end of the second support column is fixedly connected to the second end of the first crossbeam by at least two strength bolts, the second end of the second support column is fixedly connected to the third crossbeam by at least two strength bolts, and the third crossbeam is fixedly connected to the measuring surface of the device under test by at least three strength bolts.
[0037] from Figure 3 As can be seen, the strength bolts between the crossbeam and the measuring surface of the device under test are located on multiple horizontal lines. The purpose of this arrangement is to enhance the stability of the crossbeam and the measuring surface of the device under test.
[0038] The device fixing unit of this utility model includes at least one fixing clamp for fixing the vibration meter. The quick-release clamp enables rapid installation and removal of the vibration meter, reducing test preparation time and improving test efficiency. Furthermore, the vibration meter fixing device of this utility model can also be equipped with a standardized interface to ensure a reliable connection between the vibration meter and the vibration meter fixing device.
[0039] refer to Figure 2 and Figure 4 The fixed slide rail includes a first adjustment unit 18, a second adjustment unit 19, a third adjustment unit, and a fourth adjustment unit. Some of the adjustment units are not shown in the figure.
[0040] Specifically, the first adjustment unit is fixedly connected to the first crossbeam and is used to adjust the position of the equipment fixing unit in a first direction. The first direction is perpendicular to the measuring surface of the device under test, which is essentially the height direction of the device under test. That is, the first adjustment unit is used to adjust the vibration meter in... Figure 1 The relative position in the Z direction is shown. The second adjustment unit is fixedly connected to the first crossbeam and is used to adjust the position of the equipment fixing unit in the second direction. The second direction is parallel to the measuring surface of the device under test, the first support column, and the second support column, and perpendicular to the first crossbeam. The second adjustment unit essentially adjusts the vibration meter in... Figure 2 and Figure 3The third adjusting unit is fixedly connected with the first cross beam, and is used for adjusting the position of the equipment fixing unit in a third direction, the third direction is perpendicular to the first support and the second support and parallel to the first cross beam, and the third adjusting unit is used for adjusting the relative position of the vibration tester in the X direction shown in the figure. Figure 1 The fourth adjusting unit is fixedly connected with the first cross beam, and is used for adjusting the inclination angle of the equipment fixing unit, and the fourth adjusting unit is used for changing the rotation angle of the vibration tester relative to the equipment to be measured. The first adjusting unit, the second adjusting unit, the third adjusting unit and the fourth adjusting unit are matched with each other, so that micron-level adjustment of the vibration tester in multiple degrees of freedom can be realized, the light emitting route of the light source lens 21 is changed, and different types of test requirements can be met.
[0041] The vibration tester fixing device has high structural flexibility, can be matched with GaN samples of different sizes and shapes, matched with laser vibration testers of different types, and can simply, quickly and individually adjust the light source test position of the vibration tester, improve the universality and flexibility of the vibration tester fixing device, and reduce the debugging difficulty of the test equipment.
[0042] The vibration tester fixing device is configured at the test position of the equipment to be measured by using the fixing slide rail of the vibration tester fixing device, and the equipment to be measured will not be damaged when the vibration tester is disassembled, the vibration tester is fixed by using the clamp, the vibration tester is simple to disassemble and load, the equipment replacement cost is low, the equipment replacement efficiency and the vibration test efficiency are high, the difficulty of mechanical vibration test work is low, the vibration tester fixing device and the equipment to be measured are fixedly connected through high-strength bolts, the fixing degree is high, the vibration tester will not be loose or displaced during measurement, the accuracy of measurement data is high, the stability of test work is high, and the safety of the equipment and the test personnel is more favorable, that is, the vibration tester fixing device can effectively reduce the difficulty of mechanical vibration test work and improve the detection accuracy of mechanical vibration information.
[0043] Figure 5 is a structural schematic view of a measurement system provided by the utility model, and the embodiment can be applied to simple, quick, accurate and low-cost determination of mechanical vibration conditions of the equipment to be measured. Figure 5 The measurement system comprises an equipment to be measured 3, a vibration tester 2 and any one of the vibration tester fixing devices in the above-mentioned embodiments, the yellow support in the figure represents the vibration tester fixing device, and the black rectangular structure represents the vibration tester 2, the vibration tester 2 is fixed on the equipment to be measured 3 through the vibration tester fixing device, and the measurement light of the laser light source of the vibration tester 2 and the feedback data of the measurement light are used to determine the mechanical vibration information of the equipment to be measured 3.
[0044] The measuring system in the embodiment includes the vibration meter fixing device in any one of the above embodiments, and the vibration meter fixing device can simply, efficiently and stably fix the vibration meter at a measuring position of the equipment to be measured, so as to determine the mechanical vibration of the equipment to be measured. The vibration meter fixing device has high stability, convenience and applicability, low use cost, simple vibration meter disassembly, and can improve the replacement efficiency of the vibration meter and the measurement precision of the mechanical vibration. The problems of low durability of the magnetic force suction disc type fixing device, suitability for temporary measurement and unsuitability for non-ferromagnetic materials, relatively complex installation and disassembly of the pasting type fixing device, damage to the measured surface, relatively complex installation and disassembly, possible damage to the measured surface, the need for tools for installation and disassembly, high cost and complex operation for replacing the vibration meter and the like are solved. Further, the measuring system provided in the embodiment includes the vibration meter fixing device in the above embodiments, and has the beneficial effects of the vibration meter fixing device.
[0045] It should be understood that the various forms of flow shown above can be reordered, added or deleted steps. For example, the steps described in the present application can be executed in parallel, sequentially or in different order, as long as the desired results of the technical solutions of the present application can be achieved, which is not limited herein.
[0046] The above specific embodiments do not constitute a limitation on the protection scope of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A vibration meter fixing device, characterized in that, include: A gantry support and a fixed slide rail, wherein the gantry support includes a first column, a second column, and a first crossbeam; The first crossbeam is deployed parallel to the measuring surface of the device under test, the first end of the first support column is fixedly connected to the first end of the first crossbeam, the second end of the second support column is fixedly connected to the second end of the first crossbeam, and the first support column and the second support column are deployed in parallel. The second end of the first support column and the second end of the second support column are fixedly connected to the measuring surface of the device under test. The fixed slide rail is fixedly connected to the first crossbeam. The device fixing unit of the fixed slide rail is located between the first support column and the second support column and is used to fix the vibration meter so that the vibration meter can determine the mechanical vibration information of the device under test.
2. The vibration meter fixing device according to claim 1, characterized in that, The fixed end of the fixed slide rail is connected to the third end of the first crossbeam, and the third end of the first crossbeam is located between the first end and the second end of the first crossbeam.
3. The vibration meter fixing device according to claim 1, characterized in that, The gantry support also includes a second crossbeam and a third crossbeam; The second end of the first support column is fixedly connected to the measuring surface of the device under test via the second crossbeam, and the second end of the second support column is fixedly connected to the measuring surface of the device under test via the third crossbeam.
4. The vibration meter fixing device according to claim 3, characterized in that, The first end of the first support column is fixedly connected to the first end of the first crossbeam by at least two strength bolts, the second end of the first support column is fixedly connected to the second crossbeam by at least two strength bolts, and the second crossbeam is fixedly connected to the measuring surface of the device under test by at least three strength bolts. The first end of the second support column is fixedly connected to the second end of the first crossbeam by at least two strength bolts, the second end of the second support column is fixedly connected to the third crossbeam by at least two strength bolts, and the third crossbeam is fixedly connected to the measuring surface of the device under test by at least three strength bolts.
5. The vibration meter fixing device according to claim 1, characterized in that, The device fixing unit includes at least one fixing clamp, which is used to fix the vibration meter.
6. The vibration meter fixing device according to claim 1, characterized in that, The fixed slide rail includes a first adjustment unit, which is fixedly connected to the first crossbeam and is used to adjust the position of the device fixing unit in a first direction, which is perpendicular to the measuring surface of the device under test.
7. The vibration meter fixing device according to claim 1, characterized in that, The fixed slide rail also includes a second adjustment unit, which is fixedly connected to the first crossbeam and is used to adjust the position of the device fixing unit in a second direction. The second direction is parallel to the measuring surface of the device under test, the first support column, and the second support column, and perpendicular to the first crossbeam.
8. The vibration meter fixing device according to claim 1, characterized in that, The fixed slide rail also includes a third adjustment unit, which is fixedly connected to the first crossbeam and is used to adjust the position of the equipment fixing unit in a third direction. The third direction is perpendicular to the first support column and the second support column and parallel to the first crossbeam.
9. The vibration meter fixing device according to claim 1, characterized in that, The fixed slide rail also includes a fourth adjustment unit, which is fixedly connected to the first crossbeam and is used to adjust the tilt angle of the equipment fixing unit.
10. A measurement system, characterized in that, include: The device under test, the vibration meter, and the vibration meter fixing device as described in any one of claims 1 to 9.