CN113865687B - Pipeline vibration testing device - Google Patents
Pipeline vibration testing device Download PDFInfo
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- CN113865687B CN113865687B CN202111015112.0A CN202111015112A CN113865687B CN 113865687 B CN113865687 B CN 113865687B CN 202111015112 A CN202111015112 A CN 202111015112A CN 113865687 B CN113865687 B CN 113865687B
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000005057 refrigeration Methods 0.000 claims description 35
- 210000000078 claw Anatomy 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 36
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
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- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The application belongs to the technical field of household appliances, and particularly relates to a pipeline vibration testing device, which comprises a flash frequency velocimeter, a connecting piece and a measuring device, wherein the flash frequency velocimeter is provided with a light outlet arranged along a first direction; along the first direction, the first end of the connecting piece is fixedly connected with the flash frequency velocimeter, the first end of the connecting piece surrounds the outer side of the light outlet, a cavity is formed in the connecting piece, an opening is further formed in the connecting piece, and the opening is opposite to the light outlet; the measuring device is fixedly arranged at the second end of the connecting piece, and scale marks are arranged on the measuring device. The application is favorable for shortening the detection time and reducing the detection cost.
Description
Technical Field
The application belongs to the technical field of household appliances, and particularly relates to a pipeline vibration testing device.
Background
The air conditioner generally comprises an air conditioner outer unit and an air conditioner inner unit, wherein a refrigerating pipeline is connected between the air conditioner outer unit and the air conditioner inner unit, refrigerant circularly flows in the refrigerating pipeline, and heat exchange is realized in the air conditioner outer unit and the air conditioner inner unit, so that the air conditioner can realize the refrigeration or heating effect. Because the compressor continuously compresses the refrigerant, the refrigerant in the refrigeration line generally has a relatively high operating pressure, which can cause vibration in the refrigeration line. However, vibration of the refrigerant line tends to cause cracking of the refrigerant line or unreliable welds, resulting in leakage of refrigerant, and serious or even possible risk of fire or explosion. Therefore, the air conditioner needs to detect the vibration amplitude of the refrigeration pipeline before leaving the factory so as to ensure the subsequent use safety.
In the related art, the detection of the vibration amplitude of the refrigeration pipeline generally needs to be performed by a special detection mechanism, and the air conditioner manufacturer needs to adjust the refrigeration pipeline according to the detection result until the vibration amplitude of the refrigeration pipeline meets the related requirements.
However, by adopting the scheme of the related technology, the whole detection process is complex and takes a long time; and the detection cost is higher, and the production cost is increased.
Disclosure of Invention
In order to solve the above problems in the related art, that is, in order to solve the problems of long detection time and high cost of vibration amplitude of a refrigeration pipeline in the related art, the present application provides a pipeline vibration testing device.
An embodiment of the present application provides a pipeline vibration testing device, including:
a flash frequency velocimeter having a light outlet disposed along a first direction;
the first end of the connecting piece is fixedly connected with the flash frequency velocimeter along the first direction, the first end of the connecting piece surrounds the outer side of the light outlet, a cavity is formed in the connecting piece, and an opening is further formed in the connecting piece and is opposite to the light outlet;
the measuring device is fixedly arranged at the second end of the connecting piece, and scale marks are arranged on the measuring device.
As described above, optionally, the connector includes a body, a first connection portion and a second connection portion, two ends of the body are respectively connected to the first connection portion and the second connection portion, the first connection portion is disposed at a first end of the connector, and the second connection portion is disposed at a second end of the connector;
the first connecting part is sleeved on the outer side of the flash frequency velocimeter, and the second connecting part is abutted to the measuring device.
As described above, optionally, the body includes a top wall, a bottom wall, and a first side wall and a second side wall connecting the top wall and the bottom wall, and in the first direction, the length of the first side wall is equal to the length of the second side wall, the length of the top wall is smaller than the length of the first side wall, and the length of the bottom wall is greater than the length of the first side wall; the top wall, the bottom wall, the first side wall and the second side wall jointly enclose a cavity, and the opening is formed at one end of the cavity, which is away from the flash frequency velocimeter;
the first connecting part is a prismatic table for connecting the top wall, the bottom wall, the first side wall and the second side wall;
the second connecting part comprises a supporting plate and a limiting groove, the supporting plate is arranged on one side of the first side wall, which is away from the second side wall, the supporting plate is fixed on the bottom wall through a connecting plate, and the supporting plate extends along a second direction; the limiting groove is arranged on one side of the second side wall and fixedly connected to the bottom wall, and the notch of the limiting groove faces the first side wall;
wherein the first direction is perpendicular to the second direction.
In the above-mentioned pipeline vibration testing device, optionally, in a cross section perpendicular to the first direction, the projection of the flash frequency velocimeter is square, the projection of the first connection portion is also square, and the projection of the first connection portion covers the projection of the flash frequency velocimeter.
The pipeline vibration testing device is characterized in that the first connecting part is connected with the flash frequency velocimeter in a clamping or bonding mode.
Optionally, the measuring device extends along the second direction, a part of the measuring device is lapped on the supporting plate, and the first end of the measuring device is clamped in the limiting groove.
As mentioned above, optionally, one end of the supporting plate, which is away from the first side wall, is further provided with two limiting protrusions, the two limiting protrusions are oppositely arranged along the first direction, and the second end of the measuring device is located between the two limiting protrusions.
The pipeline vibration testing device is characterized in that the measuring device comprises a measuring device, and the measuring device comprises a vernier caliper, wherein the outer measuring claw of the vernier caliper is arranged on one side away from the flash frequency velocimeter.
The pipeline vibration testing device is characterized in that the pipeline vibration testing device comprises a measuring device, wherein the measuring device comprises a measuring scale, and the scale mark of the measuring scale is arranged on one side away from the flash frequency velocimeter.
Optionally, a first guiding surface is arranged on one side of the first side wall away from the bottom wall, and a second guiding surface is arranged on one side of the second side wall away from the bottom wall; and the first guide surface and the second guide surface are inclined towards the bottom wall along the direction deviating from the flash frequency velocimeter.
As will be appreciated by those skilled in the art, embodiments of the present application provide a pipeline vibration testing device comprising a flash velocimeter, a connector, and a measuring device, the flash velocimeter having a light outlet disposed along a first direction; along the first direction, the first end of the connecting piece is fixedly connected with the flash frequency velocimeter, the first end of the connecting piece surrounds the outer side of the light outlet, a cavity is formed in the connecting piece, an opening is further formed in the connecting piece, and the opening is opposite to the light outlet; the measuring device is fixedly arranged at the second end of the connecting piece, and scale marks are arranged on the measuring device. Through above-mentioned setting, this application can utilize the flash frequency velocimeter to observe the vibration direction of refrigeration pipeline, then through measuring device measuring the vibration amplitude of refrigeration pipeline. The pipeline vibration testing device can be utilized to pre-detect the vibration amplitude of the refrigerating pipeline before leaving the factory, if the vibration amplitude of the refrigerating pipeline is found to be inconsistent with the requirement, the refrigerating pipeline can be timely adjusted, and then the adjusted refrigerating pipeline with the composite requirement is sent to a special detection mechanism for detecting the vibration amplitude, so that the success rate of detection can be improved, the return detection rate is reduced, the detection time is shortened, and the detection cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief description will be given below of the drawings that are needed in the embodiments or the prior art descriptions, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of a pipeline vibration testing apparatus according to an embodiment of the present application in a first state;
FIG. 2 is a simplified schematic illustration of a pipeline vibration testing apparatus according to one embodiment of the present disclosure in a second state;
fig. 3 is an exploded view of a pipeline vibration testing apparatus provided in an embodiment of the present application.
Reference numerals:
10-flash frequency velocimeter; 11-a knob; 12-a power interface;
20-connecting piece;
21-a body; 211-top wall; 212-a bottom wall; 213-a first sidewall; 2131—a first guide surface; 214-a second sidewall; 2141-a second guide surface;
22-a first connection;
23-a second connection; 231-a support plate; 232-a limit groove; 233-limit bump;
30-measuring means; 31-an outer measuring jaw;
x-a first direction; y-second direction.
Detailed Description
In the scheme of the related technology, the air conditioner needs to detect the vibration amplitude of the refrigeration pipeline before leaving the factory so as to ensure the subsequent use safety. The detection of the vibration amplitude of the refrigeration pipeline generally needs to be carried out by entrusting a special detection mechanism, and an air conditioner manufacturer needs to adjust the refrigeration pipeline according to the detection result until the vibration amplitude of the refrigeration pipeline meets the relevant requirements. However, the product to be detected needs to be transported to the detection mechanism, and the product needs to be transported back after the detection is completed, so that the whole detection process is complex and takes a long time; and the manpower and material resources consumed in the detection process are more, the cost is higher, and the production cost is increased.
In view of the above, the present application aims to provide a pipeline vibration testing device, in which a vibration direction of a refrigeration pipeline is observed through a flash frequency velocimeter, and then a vibration amplitude of the refrigeration pipeline is measured through a measuring device. Utilize the pipeline vibration testing arrangement of this application to detect in advance the vibration amplitude of refrigeration pipeline, if find that the vibration amplitude of refrigeration pipeline does not accord with the requirement can in time adjust the refrigeration pipeline, then send the detection of vibration amplitude to special detection mechanism with the refrigeration pipeline after the adjustment to can improve the success rate of detection, reduce and return the rate of detection, be favorable to shortening detection time, reduce detection cost.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
FIG. 1 is a schematic view of a pipeline vibration testing apparatus according to an embodiment of the present application in a first state; FIG. 2 is a simplified schematic illustration of a pipeline vibration testing apparatus according to one embodiment of the present disclosure in a second state; fig. 3 is an exploded view of a pipeline vibration testing apparatus provided in an embodiment of the present application.
Referring to fig. 1-3, the present embodiment provides a pipeline vibration testing device, which includes: flash velocimeter 10 has a light outlet arranged along a first direction X. The flash velocimeter 10 is a measuring instrument made using a persistence of vision phenomenon (a relatively stationary persistence of vision phenomenon occurs when a light source that flashes at a set frequency is synchronized with the vibration amplitude of an object). When the device is used for observing an object moving at a high speed, the flicker frequency of the device is adjusted to enable the device to be close to and synchronous with the moving speed of the object to be measured, and at the moment, the object to be measured moves at the high speed but slowly moves or is stationary, so that a person can easily observe the moving condition of the object moving at the high speed by naked eyes. The flash frequency velocimeter 10 of this embodiment is provided with a knob 11 and a power interface 12, when in use, the power interface 12 is connected with a power supply, and the frequency of light emitted by the light outlet is adjusted by adjusting the knob 11, so that the frequency of the light is close to the vibration frequency of the refrigeration pipeline, and the vibration direction of the refrigeration pipeline can be observed through the flash frequency velocimeter 10.
The first end of the connecting piece 20 is fixedly connected with the flash frequency velocimeter 10 along the first direction X, the first end of the connecting piece 20 surrounds the outer side of the light outlet, a cavity is formed in the connecting piece 20, the connecting piece 20 is further provided with an opening, and the opening is opposite to the light outlet. The connector 20 of the present embodiment mainly serves to connect the flash velocimeter 10 and the measuring device 30, and provides a path for light passing through the flash velocimeter 10.
The measuring device 30, the measuring device 30 is fixedly arranged at the second end of the connecting piece 20, and the measuring device 30 is provided with scale marks.
When the embodiment is used, the light emitted by the flash frequency velocimeter 10 can reach the refrigerating pipeline after passing through the cavity in the connecting piece 20, a worker can observe the vibration direction of the refrigerating pipeline through the flash frequency velocimeter 10, then the vibration range of the refrigerating pipeline is measured by the measuring device 30, the specific vibration amplitude of the refrigerating pipeline is obtained according to the vibration range, and then the specific vibration amplitude is compared with the standard vibration amplitude, so that whether the vibration amplitude of the refrigerating pipeline meets the requirement is judged.
By utilizing the pipeline vibration testing device of the embodiment, the vibration amplitude of the refrigeration pipeline can be pre-detected before leaving the factory, if the vibration amplitude of the refrigeration pipeline is found to be inconsistent with the requirement, the refrigeration pipeline can be timely adjusted, and then the adjusted refrigeration pipeline with the compound requirement is sent to a special detection mechanism for detecting the vibration amplitude, so that the success rate of detection can be improved, the return detection rate is reduced, the detection time is shortened, and the detection cost is reduced.
Alternatively, as shown in fig. 1 and 2, the connector 20 of the present embodiment includes a body 21, a first connecting portion 22 and a second connecting portion 23, where two ends of the body 21 are respectively connected to the first connecting portion 22 and the second connecting portion 23, the first connecting portion 22 is disposed at a first end of the connector 20, and the second connecting portion 23 is disposed at a second end of the connector 20. The first connecting part 22 is sleeved on the outer side of the flash frequency velocimeter 10, and the second connecting part 23 abuts against the measuring device 30.
Further, as shown in fig. 3, the body 21 includes a top wall 211, a bottom wall 212, and a first sidewall 213 and a second sidewall 214 connecting the top wall 211 and the bottom wall 212, and the top wall 211, the bottom wall 212, the first sidewall 213, and the second sidewall 214 may be connected in sequence and fixed by welding. Along the first direction X, the length of the first side wall 213 is equal to the length of the second side wall 214, the length of the top wall 211 is smaller than the length of the first side wall 213, and the length of the bottom wall 212 is greater than the length of the first side wall 213; the top wall 211, the bottom wall 212, the first side wall 213 and the second side wall 214 together enclose a cavity, an opening being formed in an end of the cavity facing away from the flash velocimeter 10.
The first connecting portion 22 is a pyramid connecting the top wall 211, the bottom wall 212, the first side wall 213 and the second side wall 214, and in this embodiment, the first connecting portion is in a pyramid shape, and the first connecting portion 22 may be welded and fixed on the body 21.
The second connecting portion 23 includes a supporting plate 231 and a limiting groove 232, the supporting plate 231 is disposed on one side of the first side wall 213 facing away from the second side wall 214, the supporting plate 231 is fixed on the bottom wall 212 through a connecting plate, and the supporting plate 231 extends along the second direction Y; the support plate 231 may be welded to a connecting plate, which may be welded to the bottom wall 212. The limiting groove 232 is disposed on one side of the second side wall 214, and the limiting groove 232 is fixedly connected to the bottom wall 212, for example, may be fixed to the bottom wall 212 by a welding connection manner, and a notch of the limiting groove 232 faces the first side wall 213.
In this embodiment, the first direction X is perpendicular to the second direction Y.
In the cross section perpendicular to the first direction X, the projection of the flash velocimeter 10 of the present embodiment is square, the projection of the first connection portion 22 is also square, and the projection of the first connection portion 22 covers the projection of the flash velocimeter 10, so that the first connection portion 22 can be sleeved outside the flash velocimeter 10.
Preferably, in this embodiment, the first connection portion 22 and the flash velocimeter 10 may be connected and fixed by a connection manner such as a clamping connection or an adhesive connection.
Optionally, the measuring device 30 of the present embodiment extends along the second direction Y, and the graduation marks on the measuring device 30 are also disposed along the second direction Y, so as to facilitate measurement of the refrigeration line. The part of the measuring device 30 is lapped on the supporting plate 231, and the first end of the measuring device 30 is clamped in the limiting groove 232, so that the supporting and fixing of the measuring device 30 are realized.
Further, the end of the supporting plate 231 facing away from the first side wall 213 of the embodiment is further provided with two limiting protrusions 233, the two limiting protrusions 233 are oppositely arranged along the first direction X, and the second end of the measuring device 30 is located between the two limiting protrusions 233, so that the second end of the measuring device 30 can be limited by the two limiting protrusions 233, and the measuring device 30 is further prevented from moving in the measuring process.
In one possible implementation manner, the measuring device 30 of this embodiment is a vernier caliper, the outer measuring claws 31 of the vernier caliper are disposed on one side away from the flash frequency velocimeter 10, the refrigerating pipeline is placed between the two outer measuring claws 31 during measurement, and the opening amplitude of the two outer measuring claws 31 is the same as the vibration range of the refrigerating pipeline, so that the vibration range of the refrigerating pipeline can be read, and the vibration amplitude of the refrigerating pipeline can be obtained.
In another possible embodiment, the measuring device 30 may also be a graduated scale, wherein the graduation line of the graduated scale is disposed on the side away from the flash frequency velocimeter 10, and at this time, the flash frequency velocimeter 10 may be used to observe, read the corresponding graduation of the vibration range of the refrigeration pipeline on the graduated scale, and further obtain the vibration amplitude of the cold pipeline.
Optionally, a side of the first sidewall 213 facing away from the bottom wall 212 in the present embodiment is provided with a first guide surface 2131, and a side of the second sidewall 214 facing away from the bottom wall 212 is provided with a second guide surface 2141; in a direction away from the flash velocimeter 10, both the first guide surface 2131 and the second guide surface 2141 are inclined toward the bottom wall 212.
As can be seen from the above description, the present application can observe the vibration direction of the refrigeration line through the flash velocimeter 10, and then measure the vibration amplitude of the refrigeration line through the measuring device 30. The pipeline vibration testing device can be utilized to pre-detect the vibration amplitude of the refrigerating pipeline before leaving the factory, if the vibration amplitude of the refrigerating pipeline is found to be inconsistent with the requirement, the refrigerating pipeline can be timely adjusted, and then the adjusted refrigerating pipeline with the composite requirement is sent to a special detection mechanism for detecting the vibration amplitude, so that the success rate of detection can be improved, the return detection rate is reduced, the detection time is shortened, and the detection cost is reduced.
In the description of the embodiments of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
In the description of the embodiments of the present application, it should be understood that the terms "inner," "outer," "upper," "bottom," "front," "rear," and the like indicate orientations or positional relationships, if any, based on those shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A pipeline vibration testing device, comprising:
a flash frequency velocimeter having a light outlet disposed along a first direction;
the first end of the connecting piece is fixedly connected with the flash frequency velocimeter along the first direction, the first end of the connecting piece surrounds the outer side of the light outlet, a cavity is formed in the connecting piece, and an opening is further formed in the connecting piece and is opposite to the light outlet;
the measuring device is fixedly arranged at the second end of the connecting piece, and scale marks are arranged on the measuring device;
the flash frequency velocimeter is provided with a knob and a power interface, the power interface is connected with a power supply, the knob is used for adjusting the frequency of light emitted by the light outlet to be close to the vibration frequency of the refrigeration pipeline, and the vibration direction of the refrigeration pipeline is observed through the flash frequency velocimeter;
the connecting piece comprises a body, a first connecting part and a second connecting part, wherein two ends of the body are respectively connected with the first connecting part and the second connecting part, the first connecting part is arranged at the first end of the connecting piece, and the second connecting part is arranged at the second end of the connecting piece; the first connecting part is sleeved on the outer side of the flash frequency velocimeter, and the second connecting part is abutted against the measuring device;
the measuring device is used for measuring the vibration range of the refrigeration pipeline, obtaining the vibration amplitude of the refrigeration pipeline according to the vibration range, and judging whether the vibration amplitude of the refrigeration pipeline meets the requirement or not by comparing the vibration amplitude with the standard vibration amplitude;
the body comprises a top wall, a bottom wall, a first side wall and a second side wall, wherein the first side wall and the second side wall are connected, the length of the first side wall is equal to the length of the second side wall along the first direction, the length of the top wall is smaller than the length of the first side wall, and the length of the bottom wall is larger than the length of the first side wall; the top wall, the bottom wall, the first side wall and the second side wall jointly enclose a cavity, and the opening is formed at one end of the cavity, which is away from the flash frequency velocimeter;
the first connecting part is a prismatic table for connecting the top wall, the bottom wall, the first side wall and the second side wall;
the second connecting part comprises a supporting plate and a limiting groove, the supporting plate is arranged on one side of the first side wall, which is away from the second side wall, the supporting plate is fixed on the bottom wall through a connecting plate, and the supporting plate extends along a second direction; the limiting groove is arranged on one side of the second side wall and fixedly connected to the bottom wall, and the notch of the limiting groove faces the first side wall;
wherein the first direction is perpendicular to the second direction.
2. The line vibration testing apparatus of claim 1, wherein in a cross section perpendicular to the first direction, the projection of the flash velocimeter is square, the projection of the first connection is also square, and the projection of the first connection covers the projection of the flash velocimeter.
3. The line vibration testing device of claim 2, wherein the first connection portion is clamped or glued to the flash velocimeter.
4. The pipeline vibration testing device according to claim 1, wherein the measuring device extends along the second direction, a part of the measuring device is lapped on the supporting plate, and the first end of the measuring device is clamped in the limiting groove.
5. The pipeline vibration testing device according to claim 4, wherein one end of the supporting plate, which is away from the first side wall, is further provided with two limiting protrusions, the two limiting protrusions are oppositely arranged along the first direction, and the second end of the measuring device is located between the two limiting protrusions.
6. The pipeline vibration testing device of claim 5, wherein the measuring device is a vernier caliper, and an outer measuring claw of the vernier caliper is arranged on a side away from the flash velocimeter.
7. The line vibration testing device of claim 5, wherein the measuring device is a scale, and wherein the graduation marks of the scale are disposed on a side facing away from the flash velocimeter.
8. The pipeline vibration testing device according to claim 1, wherein a first guide surface is arranged on one side of the first side wall, which is away from the bottom wall, and a second guide surface is arranged on one side of the second side wall, which is away from the bottom wall; and the first guide surface and the second guide surface are inclined towards the bottom wall along the direction deviating from the flash frequency velocimeter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015112.0A CN113865687B (en) | 2021-08-31 | 2021-08-31 | Pipeline vibration testing device |
| PCT/CN2022/080686 WO2023029433A1 (en) | 2021-08-31 | 2022-03-14 | Pipeline vibration testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111015112.0A CN113865687B (en) | 2021-08-31 | 2021-08-31 | Pipeline vibration testing device |
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| CN113865687A CN113865687A (en) | 2021-12-31 |
| CN113865687B true CN113865687B (en) | 2024-02-20 |
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| CN202111015112.0A Active CN113865687B (en) | 2021-08-31 | 2021-08-31 | Pipeline vibration testing device |
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| WO (1) | WO2023029433A1 (en) |
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| CN113865687B (en) * | 2021-08-31 | 2024-02-20 | 青岛海尔空调器有限总公司 | Pipeline vibration testing device |
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