CN113899511B - Vibration testing device - Google Patents
Vibration testing device Download PDFInfo
- Publication number
- CN113899511B CN113899511B CN202111214113.8A CN202111214113A CN113899511B CN 113899511 B CN113899511 B CN 113899511B CN 202111214113 A CN202111214113 A CN 202111214113A CN 113899511 B CN113899511 B CN 113899511B
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- pushing component
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 230000001276 controlling effect Effects 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 10
- 230000011664 signaling Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 238000000429 assembly Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
Abstract
The invention provides a vibration testing device which comprises a base, a fixing piece, a first pushing assembly, a second pushing assembly and a controller, wherein the fixing piece is arranged on the base and is used for fixing equipment to be tested; the first pushing component is arranged on the base, and the pushing direction of the first pushing component faces to the first side of the fixing piece; the second pushing component is arranged on the base, the pushing direction of the second pushing component faces to the second side of the fixing piece, and the direction of the first side is perpendicular to the direction of the second side; the controller is electrically connected with the first pushing component and the second pushing component respectively, and is used for controlling the first pushing component to perform vibration test on the equipment to be tested and controlling the second pushing component to perform vibration test on the equipment to be tested after the first pushing component is tested. According to the technical scheme, the detection efficiency and the detection precision are improved by adopting an automatic mode.
Description
Technical Field
The invention relates to the technical field of televisions, in particular to a vibration testing device.
Background
In the new product of the television, part of clients require the vibration endurance test project of the television base, and in order to meet the requirement of the client test project, the vibration test is carried out on the television base in the production stage of the television. In the prior art, experiments are usually performed manually, and the television is shaken to detect the quality of the television base by manually stepping on the television base. Through the manual work waste time and energy, detection efficiency is low, and receives the manpower restriction, can't control the dynamics of rocking, and rocks several times to tens of times and finish detecting, and the data is less to lead to experimental data inaccuracy.
Disclosure of Invention
The invention mainly aims to provide a vibration testing device, which aims to solve the technical problems of low efficiency of manual experiment and inaccurate detection data in the prior art.
To achieve the above object, the present invention provides a vibration testing apparatus including:
a base;
the fixing piece is arranged on the base and used for fixing equipment to be tested;
the first pushing component is arranged on the base, and the pushing direction of the first pushing component faces to the first side of the fixing piece;
the second pushing assembly is arranged on the base, the pushing direction of the second pushing assembly faces to the second side of the fixing piece, and the direction of the first side is perpendicular to the direction of the second side;
the controller is electrically connected with the first pushing component and the second pushing component respectively, and is used for controlling the first pushing component to perform vibration test on equipment to be tested, and controlling the second pushing component to perform vibration test on the equipment to be tested after the first pushing component is tested.
Optionally, the vibration testing device further includes a first sensing element, where the first sensing element is disposed on the first pushing component, and the first sensing element is electrically connected to the controller, and is configured to detect a device to be tested and send a first sensing signal to the controller;
the controller is also used for receiving the first induction signal and controlling the first pushing component to perform vibration test on the equipment to be tested according to the first induction signal.
Optionally, the vibration testing device further includes a first detecting element, where the first detecting element is disposed on the first pushing component, and the first detecting element is electrically connected to the controller, and is configured to detect the pushing times of the first pushing component, and send a first detection signal to the controller;
the controller is also used for receiving the first detection signal and controlling the first pushing component to stop testing according to the first detection signal.
Optionally, the vibration testing device further includes a second sensing element, the second sensing element is disposed on the second pushing component, the second sensing element is electrically connected with the controller, and the second sensing element is configured to detect a device to be tested and send a second sensing signal to the controller;
the controller is also used for receiving the second induction signal and controlling the second pushing assembly to perform vibration test on the equipment to be tested according to the first detection signal and the second induction signal.
Optionally, the vibration testing device further includes a second detecting element, where the second detecting element is disposed on the second pushing component, and the second detecting element is electrically connected to the controller, and is configured to detect the pushing times of the second pushing component, and send a second detection signal to the controller;
the controller is also used for receiving the second detection signal and controlling the second pushing assembly to stop testing according to the second detection signal.
Optionally, the first pushing assembly includes:
the mounting frame is arranged on the base;
the fixing plate is arranged on the mounting frame;
the driving cylinder is movably arranged on the fixing plate, and a piston rod of the driving cylinder moves towards one side of the fixing piece.
Optionally, the first pushing assembly further comprises a pressure regulating valve provided on the driving cylinder to regulate the pushing force of the driving cylinder.
Optionally, the mounting frame includes:
the Z-axis adjusting rod is arranged on the base;
the Y-axis adjusting rod is arranged on the Y-axis adjusting rod.
Optionally, the vibration testing device further includes a third pushing component, where the third pushing component is disposed on the base and located above the fixing piece, and a pushing direction of the third pushing component faces to one side of the fixing piece.
Optionally, the vibration testing device further includes a display module, the display module is disposed on one side of the base, and the display module is electrically connected with the controller.
According to the technology, the television is fixed on the base in an automatic mode, and the first pushing component and the second pushing component are controlled by the controller to sequentially perform vibration detection on the television from two directions. Thereby reduce the cost of labor, improve detection efficiency, and pass through first promotion subassembly with the second promotes the subassembly and tests, can keep promoting the dynamics unanimously, improves detection accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a vibration testing apparatus according to the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 10 | First pushing component | 11 | Z-axis adjusting rod |
| 12 | Y-axis adjusting rod | 13 | Fixing plate |
| 14 | Driving cylinder | 20 | Second pushing assembly |
| 30 | Third pushing component | 40 | Fixing piece |
| 50 | Base seat |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a 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 addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
The invention provides a vibration testing device, referring to fig. 1, comprising a base 50, a fixing piece 40, a first pushing component 10, a second pushing component 20 and a controller, wherein the fixing piece 40 is arranged on the base 50, and the fixing piece 40 is used for fixing equipment to be tested; the first pushing component 10 is arranged on the base 50, and the pushing direction of the first pushing component 10 faces to the first side of the fixing piece 40; the second pushing assembly 20 is disposed on the base 50, the pushing direction of the second pushing assembly 20 faces the second side of the fixing member 40, and the direction of the first side is perpendicular to the direction of the second side; the controller is electrically connected with the first pushing component 10 and the second pushing component 20 respectively, and is used for controlling the first pushing component 10 to perform vibration test on the equipment to be tested, and controlling the second pushing component 20 to perform vibration test on the equipment to be tested after the first pushing component 10 is tested.
The base 50 is used to be fixed on an external structure, for example, placed on the ground, and its upward side is used to place and fix a device to be tested, which in this embodiment is illustrated as a television. The fixing piece 40 is disposed on one surface of the base 50 facing upwards, wherein the fixing piece 40 includes two limiting plates, the two limiting plates are disposed opposite to each other, and one ends of the limiting plates opposite to each other are tilted upward to adapt to the shape of the television base 50, so that two ends of the television base 50 are respectively clamped to the two limiting plates, and the function of fixing the television base 50 is achieved.
In this embodiment, the number of the first pushing assemblies 10 may be two, and the two first pushing assemblies 10 are relatively disposed on the front and rear sides of the fixing member 40, so that a pushing force can be applied to the front and rear sides of the television respectively, so as to detect the television; similarly, the number of the second pushing assemblies 20 may be two, and the two second pushing assemblies 20 are relatively disposed on the left and right sides of the fixing member 40, so that a pushing force can be applied to the left and right sides of the television respectively, so as to detect the television, and thereby the authenticity and the comprehensiveness of the detected data are ensured. It will be appreciated that the first pushing assembly 10 is located on the front and rear sides of the fixing member 40, and the second pushing assembly 20 is located on the left and right sides of the fixing member 40, that is, the first side and the second side are perpendicular to each other in this embodiment, and the pushing directions of the first pushing assembly 10 and the second pushing assembly 20 are also perpendicular to each other. Taking the coordinate system as an example, the first side is parallel to the X-axis and the second side is parallel to the Y-axis.
The vibration testing device is connected with an external power supply to realize power supply, the controller is used for controlling the start and stop, and meanwhile, the controller is also respectively electrically connected with the first pushing assembly 10 and the second pushing assembly 20 so as to perform vibration detection on the television. The controller controls the first pushing assembly 10 to move to abut against the television, and then continues to move to simulate the process of applying thrust to the front and rear directions of the television, so that the television swings back and forth on the television base 50, and the purpose of testing the durability of the television base 50 in the front and rear directions is achieved; after the first pushing assembly 10 is controlled to move for a preset number of times (for example, 3000 to 5000 times), the second pushing assembly 20 is controlled to move to abut against the television, and then the second pushing assembly continues to move to simulate the process of applying the pushing force to the left and right directions of the television, so that the television swings left and right on the television base 50, and the purpose of testing the durability of the television base 50 in the left and right directions is achieved. Also, after the second pushing assembly 20 is controlled to move for a preset number of times, whether the television base 50 has a crack or a loose problem is observed, so as to determine whether the television has a quality problem.
It should be noted that, in this embodiment, the camera may be further configured to collect image information of the television base 50, so that an operator may remotely determine, or even automatically determine, the quality problem of the television by analyzing the image information. The degree of automation and the detection efficiency of the vibration testing device are further improved.
In the technology of the invention, the television is fixed on the base 50 in an automatic mode, and the controller controls the first pushing component 10 and the second pushing component 20 to sequentially detect the vibration of the television from two directions. Thereby reduce the cost of labor, improve detection efficiency, and pass through first promotion subassembly 10 with second promotes subassembly 20 and test, can keep promoting the dynamics unanimously, improve detection accuracy.
Further, the vibration testing device further comprises a first sensing piece, the first sensing piece is arranged on the first pushing component 10, the first sensing piece is electrically connected with the controller, and the first sensing piece is used for detecting equipment to be tested and sending a first sensing signal to the controller; the controller is further configured to receive the first sensing signal, and control the first pushing component 10 to perform vibration testing on the device to be tested according to the first sensing signal. The vibration testing device further comprises a second sensing piece, wherein the second sensing piece is arranged on the second pushing component 20, the second sensing piece is electrically connected with the controller, and the second sensing piece is used for detecting equipment to be tested and sending a second sensing signal to the controller; the controller is further configured to receive the second sensing signal, and control the second pushing component 20 to perform vibration testing on the device to be tested according to the first detection signal and the second sensing signal.
In this embodiment, the first sensing member detects whether the television reaches the station, that is, whether the television is normally clamped on the fixing member 40. When the first sensing piece detects that the television arrives at the station, the first sensing signal is sent to the controller, and after the controller receives the first sensing information, the controller controls the first pushing assembly 10 to start vibration testing. Therefore, the situation that the television is not fixed in place or is inclined in the fixing process is prevented, and the reliability and stability of the vibration testing device are improved. The first sensing member may determine through a manner that the camera shoots the tuxiang information, or by setting a pressure sensor on the fixing member 40 to detect whether the television correctly arrives at the station.
In order to ensure the continuity and reliability of the detection of the vibration testing apparatus of the present invention, the controller needs to control the second pushing assembly 20 to continue testing the television immediately after the testing of the first pushing assembly 10 is completed. In one embodiment, the time-consuming period of each pushing of the first pushing component 10 may be measured in advance before the detection, the total time period detected by the first pushing component 10 may be calculated according to the detection times, and the total time period is taken as the interval time period, so that the controller directly controls the second pushing component 20 to perform the test after the first sensing signal is received and the interval time period passes.
As another embodiment, the vibration testing apparatus further includes a first detecting member disposed on the first pushing component 10, where the first detecting member is electrically connected to the controller, and the first detecting member is configured to detect the number of pushing times of the first pushing component 10, and send a first detection signal to the controller; the controller is further configured to receive the first detection signal, and control the first pushing component 10 to stop testing according to the first detection signal. In this embodiment, the first detection component detects the pushing times of the first pushing component 10, and when the pushing times of the first pushing component 10 reach the preset times, the first detection signal is sent to the controller, and after the controller receives the first detection signal, the controller indicates that the first pushing component 10 is tested, and then controls the second pushing component 20 to detect.
It should be noted that, the second pushing assembly 20 detects the television again through the second sensing member between pushing tests, so as to prevent the position of the television from being shifted or from being tilted during the detection process of the first pushing assembly 10. When the television is detected to be normal, the second induction type is sent to the controller, and after the controller receives the second induction information and the first detection signal, the controller controls the second pushing component 20 to detect, so that the reliability and stability of the vibration testing device are further improved.
It will be appreciated that in this embodiment, the vibration testing apparatus further includes a third pushing assembly 30, where the third pushing assembly 30 is disposed on the base 50 and located above the fixing member 40, and the pushing direction of the third pushing assembly 30 faces one side of the fixing member 40. The second detecting element sends a second detecting signal to the controller after detecting that the pushing frequency of the second pushing component 20 reaches the preset frequency. Similarly, the controller controls the third pushing assembly 30 to detect after receiving the second detection signal. The third pushing assembly 30 may be disposed above the fixing member 40 so as to apply a pushing force to the top of the tv toward the tv base 50, thereby detecting the load-bearing capacity of the tv base 50. It should be noted that, in this embodiment, the third detection member and the third sensing member may also be disposed on the third pushing assembly 30, so as to feed back the controller, so that the controller can perform the next operation, and the smoothness of the detection flow of the vibration testing device of the present invention is ensured.
Further, the first pushing assembly 10 includes a mounting frame, a fixing plate 13, and a driving cylinder 14, wherein the mounting frame is disposed on the base 50; the fixed plate 13 is arranged on the mounting frame; the driving cylinder 14 is movably disposed on the fixing plate 13, and a piston rod of the driving cylinder 14 moves toward one side of the fixing member 40. In this embodiment, the first pushing assembly 10, the second pushing assembly 20 and the third pushing assembly 30 may have similar structures. The mounting frame adopts a triaxial moving frame, the fixed plate 13 can move along the Y-axis and Z-axis directions on the mounting frame, and the driving cylinder 14 can move along the X-axis direction on the fixed plate 13. The position of the mounting frame and the position of the driving cylinder 14 are adjusted to be compatible with televisions of different models.
In this embodiment, the piston rod is driven by the driving cylinder 14 to move toward the television set to simulate a process of pushing the television set. In order to prevent the piston rod from damaging the television, a buffer pad can be arranged on the piston rod.
According to the above, in this embodiment, the first detecting element and the second detecting element may use optocoupler sensors, which are disposed on the moving path of the piston rod, so as to achieve the purpose of detecting the pushing frequency by detecting the number of times the piston rod blocks the optical path. In addition, the first detecting member and the second detecting member may be further provided with electromagnetic sensors, which are disposed on electromagnetic valves of pneumatic lines of the driving cylinder 14, so as to achieve the purpose of detecting the number of pushing times.
Further, the mounting frame comprises a Z-axis adjusting rod 11 and a Y-axis adjusting rod 12, and the Z-axis adjusting rod 11 is arranged on the base 50; the Y-axis adjusting lever 12 is provided on the Y-axis adjusting lever 12. In this embodiment, in order to ensure stability of the mounting frame, the two Z-axis adjusting rods 11 may be vertically and oppositely disposed on the base 50, two ends of the Y-axis adjusting rod 12 may be respectively connected to the two Z-axis adjusting rods 11, and the fixing plate 13 may be disposed on the Y-axis adjusting rod 12.
It should be noted that in this embodiment, the adjusting rod may be in a manner of sleeving the first connecting pipe on the second connecting pipe, where the inner diameter of the second connecting pipe is the same as the outer diameter of the first connecting pipe, so that the first connecting pipe can be movably disposed in the second connecting pipe, a bolt may be disposed at a connection position of the first connecting pipe, and the first connecting pipe is abutted to the second connecting pipe by tightening the bolt, thereby achieving the purpose of adjusting the length.
Further, the vibration testing device further comprises a display module, wherein the display module is arranged on one side of the base 50, and the display module is electrically connected with the controller. The operators can interact through the display module, so that the controller is controlled to perform corresponding operation, and the convenience of the vibration testing device is improved.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.
Claims (6)
1. A vibration testing apparatus, the vibration testing apparatus comprising:
a base;
the fixing piece is arranged on the base and used for fixing equipment to be tested;
the first pushing component is arranged on the base, and the pushing direction of the first pushing component faces to the first side of the fixing piece;
the second pushing assembly is arranged on the base, the pushing direction of the second pushing assembly faces to the second side of the fixing piece, and the direction of the first side is perpendicular to the direction of the second side;
the controller is electrically connected with the first pushing component and the second pushing component respectively, and is used for controlling the first pushing component to perform vibration test on equipment to be tested, and controlling the second pushing component to perform vibration test on the equipment to be tested after the first pushing component is tested;
the vibration testing device further comprises a first sensing piece, the first sensing piece is arranged on the first pushing assembly and is electrically connected with the controller, and the first sensing piece is used for detecting equipment to be tested and sending a first sensing signal to the controller;
the controller is also used for receiving the first induction signal and controlling the first pushing component to perform vibration test on the equipment to be tested according to the first induction signal;
the vibration testing device further comprises a first detection piece, the first detection piece is arranged on the first pushing component, the first detection piece is electrically connected with the controller, and the first detection piece is used for detecting the pushing times of the first pushing component and sending a first detection signal to the controller;
the controller is also used for receiving the first detection signal and controlling the first pushing component to stop testing according to the first detection signal;
the first pushing assembly includes:
the mounting frame is arranged on the base;
the fixing plate is arranged on the mounting frame;
the driving cylinder is movably arranged on the fixed plate, and a piston rod of the driving cylinder moves towards one side of the fixed piece;
the mounting bracket includes:
the Z-axis adjusting rod is arranged on the base;
the Y-axis adjusting rod is arranged on the Z-axis adjusting rod.
2. The vibration testing apparatus according to claim 1, further comprising a second sensing member disposed on the second pushing assembly, the second sensing member being electrically connected to the controller, the second sensing member being configured to detect a device to be tested and send a second sensing signal to the controller;
the controller is also used for receiving the second induction signal and controlling the second pushing assembly to perform vibration test on the equipment to be tested according to the first detection signal and the second induction signal.
3. The vibration testing apparatus according to claim 2, further comprising a second detecting member provided on the second pushing assembly, the second detecting member being electrically connected to the controller, the second detecting member being configured to detect the number of pushing times of the second pushing assembly and send a second detection signal to the controller;
the controller is also used for receiving the second detection signal and controlling the second pushing assembly to stop testing according to the second detection signal.
4. The vibration testing apparatus of claim 1, wherein the first pushing assembly further comprises a pressure regulating valve provided on the driving cylinder to regulate a pushing force of the driving cylinder.
5. The vibration testing apparatus according to claim 1, further comprising a third pushing assembly disposed on the base and above the fixing member, the pushing direction of the third pushing assembly being toward one side of the fixing member.
6. The vibration testing device of claim 1, further comprising a display module disposed on one side of the base, the display module being electrically connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214113.8A CN113899511B (en) | 2021-10-18 | 2021-10-18 | Vibration testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111214113.8A CN113899511B (en) | 2021-10-18 | 2021-10-18 | Vibration testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113899511A CN113899511A (en) | 2022-01-07 |
| CN113899511B true CN113899511B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111214113.8A Active CN113899511B (en) | 2021-10-18 | 2021-10-18 | Vibration testing device |
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| CN (1) | CN113899511B (en) |
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| Publication number | Publication date |
|---|---|
| CN113899511A (en) | 2022-01-07 |
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