Solid sound velocity measuring instrument
By using anti-vibration pads and limiting rings in the solid-state sound velocity meter, the problems of poor contact and measurement error in traditional instruments are solved, thereby improving signal stability and accuracy, and enhancing the convenience and wide applicability of sample replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional solid-state sound velocity measuring instruments have a simple structure, but long-term contact between the transmitting and receiving devices can cause surface scratches, making sample replacement inconvenient, resulting in poor signal contact, poor anti-interference ability, and large measurement errors.
The device employs vibration damping pads to isolate vibration, limit rings to prevent the device from sliding down, compression spring limit rods and springs to buffer mechanical disturbances, modular design to adapt to different sample shapes, and locking nails to fix the moving plate to ensure stable contact between the sample and the device.
It improves the stability and accuracy of signal data, reduces measurement errors, simplifies the sample change process, and is adaptable to the detection of samples with different shapes and thicknesses.
Smart Images
Figure CN224095258U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to physical measurement technical field, concretely is a solid sound velocity measuring instrument. BACKGROUND
[0002] The sound velocity is one of important parameters of representing the mechanical property of solid material, the traditional instrument structure is simple, and the emission and receiving device are in contact for a long time, the surface is easy to scratch, the sample is inconvenient to replace, and the emission and receiving are easy to cause the poor contact with the sample, so that the data is inaccurate. INVENTION CONTENTS
[0003] In view of the deficiency of prior art, the utility model provides a solid sound velocity measuring instrument, solves the sound velocity of one of important parameters of representing the mechanical property of solid material, and the emission and receiving device part of instrument are all installed vibration -proof pad, makes the signal data of emission and receiving stable, the receiving device is coupled with the movable plate, the movable plate can move up and down on the fixed column, the replacement of sample is facilitated, the compression spring is installed in the receiving device and movable plate, makes the receiving device and sample can contact completely, makes the signal data accurate, the limit baffle ring is equipped on the double vertical rod, prevents the receiving device from sliding down and colliding with the emission device, also avoids the surface of two kinds of device from being scratched for a long time.
[0004] In order to realize above-mentioned purpose, the utility model discloses the following technical scheme: including work base plate, the work base plate is installed with fixed column through fixed nut, the movable plate is sleeved on the fixed column, the movable plate lower wall surface evenly three places are equipped with compression spring limit rod and spring, the compression spring limit rod and spring are installed with the connecting plate, the connecting plate is connected with receiving device through second vibration -proof pad, the work base plate is connected with emission device through first vibration -proof pad, the emission device and receiving device are placed with the sample to be measured between.
[0005] Preferably, the fixed column is sleeved with a limit baffle ring.
[0006] Preferably, the fixed column is sleeved with a limit baffle ring.
[0007] Preferably, the movable plate is installed with a locking hand nail connected with the fixed column.
[0008] Preferably, the work base plate lower wall surface and near the four corners are all installed with adjusting hand wheels.
[0009] The utility model provides a solid sound velocity measuring instrument. It has the following advantages: stable structure: through the coordinated action of the fixed column, the limit baffle ring and the locking hand nail, the movable plate moves vertically without deviation, and the alignment accuracy of the sample to be measured and the emission / receiving device is improved.
[0010] Vibration suppression: The first and second anti-vibration pads effectively isolate the working base plate from external vibrations, reducing signal noise; the compression spring limit rod and spring further buffer the mechanical disturbance of the receiving device.
[0011] Ease of operation: The handwheel can be adjusted to level the working base plate, and the limit plate and nut can be used to quickly fix the position of the moving plate, simplifying the sample thickness adjustment process.
[0012] Wide applicability: The modular design adapts to solid samples of different shapes and thicknesses, making it especially suitable for university experimental teaching or rapid testing in industrial settings. Attached Figure Description
[0013] Fig. 1 This is a schematic diagram of the structure of a solid-state sound velocity measuring instrument according to the present invention.
[0014] Fig. 2 This is a front view of the solid sound velocity measuring instrument described in this utility model.
[0015] In the diagram: 1-Working base plate; 2-Fixing nut; 3-Fixing column; 4-Moving plate; 5-Second anti-vibration pad; 6-Receiving device; 7-First anti-vibration pad; 8-Transmitting device; 9-Sample to be tested; 10-Limiting ring; 11-Limiting plate; 12-Nut; 13-Locking nail; 14-Adjusting handwheel; 15-Compression spring limit rod and spring. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Please see Figs. 1-2 This utility model provides a technical solution: a solid sound velocity measuring instrument, including a working base plate 1, a fixed column 3 installed on the working base plate 1 by a fixed nut 2, a movable plate 4 mounted on the fixed column 3, a compression spring limiting rod and a spring 15 evenly installed at three points on the lower wall of the movable plate 4, a connecting plate installed on the compression spring limiting rod and the spring 15, a receiving device 6 connected to the connecting plate by a second anti-vibration pad 5, a transmitting device 8 connected to the working base plate 1 by a first anti-vibration pad 7, and a sample 9 to be tested placed between the transmitting device 8 and the receiving device 6.
[0018] As a preferred technical solution, a limit stop ring 10 is further fitted onto the fixed column 3.
[0019] As a preferred technical solution, furthermore, a limiting plate 11 is fitted near the top of the fixed column 3, and a nut 12 is installed at the top of the limiting plate 11.
[0020] As a preferred technical solution, the movable plate 4 is further equipped with a locking hand nail 13 that is connected to the fixed post 3.
[0021] As a preferred technical solution, furthermore, adjusting handwheels 14 are installed on the lower wall of the working base plate 1 and near the four corners.
[0022] 1. Place the instrument on a stable experimental platform and use the adjustment handwheel under the worktable to stabilize the instrument.
[0023] 2. Turn on the power switch at the back of the electrical box. Allow the electrical box to preheat for at least five minutes. Connect the output cable of the receiver at the top of the instrument to the receiver in the electrical box, and connect the output cable of the transmitter at the bottom of the instrument to the transmitter. Set the electrical box to the "Time Difference Method" pulse wave mode. The "Media Selection" position should be set to "Non-metallic" or "Metallic" depending on the material being tested.
[0024] 3. Apply coupling agent to both ends of the sample, place the sample vertically on the end face of the transmitter, and ensure that the other end is in full contact with the receiver, so that both the transmitter and receiver are in close contact with the sample. The spring at the receiver end can be used to press it tight. After adjustment, tighten the locking pin on the moving plate to start the measurement.
[0025] 4. Record the time reading of the signal source, in units of... The length of the test bar can be measured and recorded using vernier calipers.
[0026] 5. Using the above method, swap the second, third, and fourth length test rods, remeasure, and record the data.
[0027] 6. Process the data using the method of successive differences, and calculate the sound velocity of the test rod based on the length difference of different test rods and the measured time difference.
[0028] According to the formula: Calculate the velocity of sound in the rod being tested.
[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A solid-state sound velocity measuring instrument, comprising a working base plate (1), characterized in that, The working base plate (1) is equipped with a fixed column (3) by a fixed nut (2). A movable plate (4) is fitted on the fixed column (3). Three compression spring limit rods and springs (15) are evenly installed on the lower wall of the movable plate (4). A connecting plate is installed on the compression spring limit rods and springs (15). A receiving device (6) is connected to the connecting plate by a second anti-vibration pad (5). A transmitting device (8) is connected to the working base plate (1) by a first anti-vibration pad (7). A sample to be tested (9) is placed between the transmitting device (8) and the receiving device (6).
2. The solid-state sound velocity measuring instrument according to claim 1, characterized in that, A limit stop ring (10) is fitted on the fixed column (3).
3. The solid-state sound velocity measuring instrument according to claim 1, characterized in that, The fixed column (3) is fitted with a limiting plate (11) near the top, and a nut (12) is installed on the top of the limiting plate (11).
4. The solid-state sound velocity measuring instrument according to claim 1, characterized in that, The movable plate (4) is equipped with a locking hand nail (13) that is connected to the fixed column (3).
5. The solid-state sound velocity measuring instrument according to claim 1, characterized in that, Adjustment handwheels (14) are installed on the lower wall of the working base plate (1) and near the four corners.