CN221326421U - Detection device for sound-absorbing rock composite board with adaptive frequency - Google Patents
Detection device for sound-absorbing rock composite board with adaptive frequency Download PDFInfo
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- CN221326421U CN221326421U CN202323049182.5U CN202323049182U CN221326421U CN 221326421 U CN221326421 U CN 221326421U CN 202323049182 U CN202323049182 U CN 202323049182U CN 221326421 U CN221326421 U CN 221326421U
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- 239000011435 rock Substances 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 7
- 238000012360 testing method Methods 0.000 claims abstract description 101
- 238000009413 insulation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 20
- 230000000149 penetrating effect Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Abstract
The utility model belongs to the technical field of sound absorption detection, and particularly relates to a detection device for an adaptive sound absorption rock composite board, which comprises the following components: the testing device comprises a testing box, wherein a controller is arranged on the front surface of the testing box, a top cover is rotatably arranged on the testing box, a sounder is fixedly arranged on the bottom surface of the inner side of the testing box, and a decibel meter is fixedly arranged on the bottom surface of the top cover; the inside of test box is installed and is adjusted the structure, the adjustment structure includes the threaded rod, the threaded rod passes through bearing movable mounting in the inboard of test box, the inboard bottom surface fixed mounting of controller has the motor, the inboard movable mounting of test box has the crane, the test board has been placed to the top surface inboard of crane, the top surface edge threaded connection of crane has the screw thread handspike. According to the detection device, the distance between the test board and the sounder can be adjusted through rotation of the threaded rod, so that the sound absorption effect of the test board and the sound source under the condition of different distances can be measured, and the accuracy of the measurement result can be improved.
Description
Technical Field
The utility model belongs to the technical field of sound absorption detection, and particularly relates to a detection device for an adaptive sound absorption rock composite board.
Background
The sound absorbing rock plate is a hard perforated sound absorbing rock plate formed by polymerizing selected natural sand grains through a cementing material, and a detection device is required to detect the sound absorbing effect of the sound absorbing rock composite plate in the production process of the sound absorbing rock composite plate.
For this, chinese application number: CN202220254422.1 discloses a sound-absorbing material board sound insulation detection device, which comprises a test box, two sound outlets are arranged in the test box in a penetrating way, brackets which are convenient to disassemble and assemble are arranged at the sound outlet positions of the front surface and the rear surface of the test box, second clamping grooves are arranged on the upper surface of the brackets, decibel tester main bodies are arranged in the second clamping grooves in a penetrating way, two slots are arranged in the upper surface of the test box in a penetrating way, a first test board is arranged in the front end slots in a penetrating way, a second test board is arranged in the rear end slots in a penetrating way, sliding grooves are arranged in the slots, limit boards are arranged in the sliding grooves in a sliding way, supporting boards are arranged in the test box, and a placement groove is arranged in the center of the upper surface of the supporting boards.
This detection device is through setting up bluetooth sound and decibel tester main part in the both sides of test board respectively, can detect the effect that gives sound insulation of test board, but distance between bluetooth sound, decibel tester main part and the test board is fixed, can't detect the effect that gives sound insulation of test board under the different distance circumstances through the adjustment distance for there is the restriction in the use of device.
In order to solve the above problems, a sound absorbing rock composite board detection device suitable for frequency has been proposed.
Disclosure of utility model
The utility model aims to provide a detection device for a sound-absorbing rock composite board with proper frequency, which is used for solving the problem that the detection device in the prior art in the background art can detect the sound insulation effect of a test board by respectively arranging a Bluetooth sound and a decibel tester main body on two sides of the test board, but the distance between the Bluetooth sound, the decibel tester main body and the test board is fixed, and the sound insulation effect of the test board under different distances can not be detected by adjusting the distance, so that the device has limitation in use.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an adaptive sound absorbing rock composite board detection device, comprising: the testing device comprises a testing box, wherein a controller is arranged on the front surface of the testing box, a top cover is rotatably arranged on the testing box, a sounder is fixedly arranged on the bottom surface of the inner side of the testing box, and a decibel meter is fixedly arranged on the bottom surface of the top cover;
The inboard of test box is installed and is adjusted the structure, the adjustment structure includes the threaded rod, the threaded rod passes through bearing movable mounting in the inboard of test box, the inboard bottom surface fixed mounting of controller has the motor, the inboard movable mounting of test box has the crane, the test board has been placed to the top surface inboard of crane, the top surface edge threaded connection of crane has the screw thread handspike, the middle part integrated into one piece of screw thread handspike has the limiting plate, the lower pot head of screw thread handspike is equipped with the clamp plate.
Preferably, the sounder and the decibel meter are respectively positioned at the upper side and the lower side of the test board.
Preferably, the output end of the motor is fixedly connected with a threaded rod, and the threaded rod is in threaded connection with the lifting frame.
Preferably, the lifting frame is in a frame-shaped structure, and a sound insulation pad is arranged between the outer wall of the lifting frame and the inner wall of the test box.
Preferably, the bottom surface of limiting plate is laminated with the top surface of clamp plate, the one end bottom surface of clamp plate is laminated with the top surface edge of test board.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model is provided with an adjusting structure, the sounder is opened, the pressing plate is rotated to the upper side of the edge of the lifting frame, then the test board is placed on the top surface of the lifting frame, the pressing plate is rotated and reset, one end of the pressing plate is positioned on the right upper side of the test board, then the threaded hand lever is rotated, the threaded hand lever is connected with the lifting frame in a threaded manner, the threaded hand lever gradually descends when rotating, and drives the limiting plate to descend, the limiting plate drives the pressing plate to descend, so that the pressing plate is pressed on the edge of the top surface of the test board, the test board can be fixed on the top surface of the lifting frame, and the test board is stably installed inside the test box;
The motor is started, the motor drives the threaded rod to rotate, the threaded rod is in threaded connection with the lifting frame, the lifting frame is driven to move up and down on the inner side of the test box through rotation of the threaded rod, the distance between the test board and the sounder can be adjusted, so that the sound absorption effect of the test board and the sound source under the condition of different distances can be measured, and the accuracy of the measurement result can be improved.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic top view of the structure of the test box of the present utility model;
FIG. 3 is a schematic side cross-sectional view of the structure of the test chamber of the present utility model;
fig. 4 is a schematic side view in cross section of the structure of the lift of the present utility model.
In the figure: 1. a test box; 11. a controller; 12. a top cover; 13. a sound generator; 14. a decibel meter; 2. adjusting the structure; 21. a threaded rod; 22. a motor; 23. a lifting frame; 24. a test board; 25. a threaded hand lever; 26. a limiting plate; 27. and (5) pressing plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided:
The test box 1, the controller 11, the top cover 12, the sounder 13, the decibel meter 14 and the motor 22 used in the application are directly available products in the market, and the principle and the connection mode are all well known in the prior art by those skilled in the art, so that the description is omitted herein.
An adaptive sound absorbing rock composite board detection device, comprising: the testing device comprises a testing box 1, wherein a controller 11 is arranged on the front surface of the testing box 1, a top cover 12 is rotatably arranged on the testing box 1, a sounder 13 is fixedly arranged on the bottom surface of the inner side of the testing box 1, and a decibel meter 14 is fixedly arranged on the bottom surface of the top cover 12;
The inside of the test box 1 is provided with an adjusting structure 2, the adjusting structure 2 comprises a threaded rod 21, the threaded rod 21 is movably arranged at the inside of the test box 1 through a bearing, the bottom surface of the inside of the controller 11 is fixedly provided with a motor 22, the inside of the test box 1 is movably provided with a lifting frame 23, the inside of the top surface of the lifting frame 23 is provided with a test plate 24, the edge of the top surface of the lifting frame 23 is in threaded connection with a threaded hand rod 25, the middle part of the threaded hand rod 25 is integrally formed with a limiting plate 26, the lower end of the threaded hand rod 25 is sleeved with a pressing plate 27 which rotates the pressing plate 27 to the upper side of the edge of the lifting frame 23, then the test plate 24 is arranged on the top surface of the lifting frame 23, the pressing plate 27 is rotated and reset, one end of the pressing plate 27 is positioned at the right upper side of the test plate 24, then the threaded hand rod 25 is rotated, the threaded hand rod 25 is in threaded connection with the lifting frame 23, the threaded hand rod 25 is gradually lowered when rotated, the limiting plate 26 is driven to be lowered, the pressing plate 27 is driven to be pressed on the edge of the top surface of the test plate 24, and the test plate 24 can be fixed on the top surface of the lifting frame 23, and the test box 1 is stably arranged; starting the motor 22, the motor 22 drives the threaded rod 21 to rotate, the threaded rod 21 is in threaded connection with the lifting frame 23, the lifting frame 23 is driven to move up and down on the inner side of the test box 1 by the rotation of the threaded rod 21, and the distance between the test board 24 and the sounder 13 can be adjusted so as to measure the sound absorption effect of the test board 24 under the condition of different distances between the test board 24 and the sound source, and the accuracy of the measurement result can be improved.
Further, the sounder 13 and the decibel meter 14 are respectively located at the upper side and the lower side of the test board 24, and the sound absorption effect of the test board 24 can be measured through the cooperation of the sounder 13 and the decibel meter 14.
Further, the output end of the motor 22 is fixedly connected with the threaded rod 21, the threaded rod 21 is in threaded connection with the lifting frame 23, the motor 22 provides power for rotation of the threaded rod 21, and the lifting frame 23 can be driven to lift and move on the inner side of the test box 1 by rotation of the threaded rod 21.
Further, the lifting frame 23 is in a frame-shaped structure, a sound insulation pad is arranged between the outer wall of the lifting frame 23 and the inner wall of the test box 1, the lifting frame 23 can support the installation of the test plate 24, and the sound insulation pad can isolate sound emitted by the sounder 13 from being transmitted from a gap between the lifting frame 23 and the test box 1.
Further, the bottom surface of the limiting plate 26 is attached to the top surface of the pressing plate 27, one end bottom surface of the pressing plate 27 is attached to the top surface edge of the test plate 24, the limiting plate 26 is used for limiting the pressing plate 27, and the pressing plate 27 can fix the test plate 24 on the top surface of the lifting frame 23.
Working principle: during testing, the sounder 13 is opened, the pressing plate 27 is rotated to the upper side of the edge of the lifting frame 23, then the test board 24 is placed on the top surface of the lifting frame 23, the pressing plate 27 is rotated to reset, one end of the pressing plate 27 is located on the right upper side of the test board 24, then the threaded hand rod 25 is rotated, the threaded hand rod 25 is in threaded connection with the lifting frame 23, the threaded hand rod 25 gradually descends when rotating, and drives the limiting plate 26 to descend, the limiting plate 26 drives the pressing plate 27 to descend, the pressing plate 27 is pressed on the top surface edge of the test board 24, and the test board 24 can be fixed on the top surface of the lifting frame 23, so that the test board 24 is stably installed on the inner side of the test box 1;
Starting the motor 22, the motor 22 drives the threaded rod 21 to rotate, the threaded rod 21 is in threaded connection with the lifting frame 23, the lifting frame 23 is driven to move up and down on the inner side of the test box 1 by the rotation of the threaded rod 21, and the distance between the test board 24 and the sounder 13 can be adjusted so as to measure the sound absorption effect of the test board 24 under the condition of different distances between the test board 24 and the sound source, and the accuracy of the measurement result can be improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. An adaptive sound absorbing rock composite board detection device, comprising: the testing device comprises a testing box (1), wherein a controller (11) is arranged on the front surface of the testing box (1), a top cover (12) is rotatably arranged on the testing box (1), a sounder (13) is fixedly arranged on the bottom surface of the inner side of the testing box (1), and a decibel meter (14) is fixedly arranged on the bottom surface of the top cover (12);
The method is characterized in that:
The inboard of test box (1) is installed and is adjusted structure (2), adjust structure (2) include threaded rod (21), threaded rod (21) are through bearing movable mounting in the inboard of test box (1), inboard bottom surface fixed mounting of controller (11) has motor (22), inboard movable mounting of test box (1) has crane (23), test board (24) have been placed to the top surface inboard of crane (23), the top surface marginal threaded connection of crane (23) has screw thread handspike (25), the middle part integrated into one piece of screw thread handspike (25) has limiting plate (26), the lower pot head of screw thread handspike (25) is equipped with clamp plate (27).
2. The device for detecting the sound absorbing rock composite board with proper frequency according to claim 1, wherein: the sounder (13) and the decibel meter (14) are respectively positioned at the upper side and the lower side of the test board (24).
3. The device for detecting the sound absorbing rock composite board with proper frequency according to claim 1, wherein: the output end of the motor (22) is fixedly connected with the threaded rod (21), and the threaded rod (21) is in threaded connection with the lifting frame (23).
4. The device for detecting the sound absorbing rock composite board with proper frequency according to claim 1, wherein: the lifting frame (23) is in a frame-shaped structure, and a sound insulation pad is arranged between the outer wall of the lifting frame (23) and the inner wall of the test box (1).
5. The device for detecting the sound absorbing rock composite board with proper frequency according to claim 1, wherein: the bottom surface of limiting plate (26) is laminated with the top surface of clamp plate (27), the one end bottom surface of clamp plate (27) is laminated with the top surface edge of test board (24).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221326421U true CN221326421U (en) | 2024-07-12 |
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