CN216117455U - Noise detection experimental device - Google Patents
Noise detection experimental device Download PDFInfo
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- CN216117455U CN216117455U CN202121554370.1U CN202121554370U CN216117455U CN 216117455 U CN216117455 U CN 216117455U CN 202121554370 U CN202121554370 U CN 202121554370U CN 216117455 U CN216117455 U CN 216117455U
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- test box
- noise
- noise detection
- fixedly connected
- threaded rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 claims abstract description 61
- 239000012774 insulation material Substances 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 17
- 238000002474 experimental method Methods 0.000 abstract description 12
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model belongs to the field of noise detection, and discloses a noise detection experimental device which comprises a test box, wherein a plurality of noise detectors are fixedly arranged inside the test box, the test box is made of a sound insulation material, a first through opening is formed in the top of the test box, a press plate is arranged above the test box, a second through opening is formed in the top of the press plate, and the length and the width of the first through opening are larger than those of the second through opening. This scheme is when carrying out the noise detection experiment, will treat the material of making an uproar that falls of experiment earlier and tailor to and place the top at the test box with test box looks adaptation, then descend in step through four lifting unit of driving piece drive, drive the clamp plate and descend and will treat that the experimental material compresses tightly, then send the noise through noise generating device in the test box outside, the noise that receives in the noise detection appearance test box simultaneously to with data display on the display, conveniently read, experiment operation is very simple.
Description
Technical Field
The utility model relates to the field of noise detection, in particular to a noise detection experimental device.
Background
Noise refers to noisy and harsh sound, noise pollution is serious day by day, the noise pollution mainly comes from transportation, vehicle whistle, industrial noise, building construction, social noise such as a concert hall, a tweeter, a morning market, loud speaking of people and the like, better sound insulation materials need to be developed continuously, and the noise reduction materials need to be tested.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the present invention is directed to a noise detection experimental apparatus.
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a noise detection experimental apparatus, includes the test box, the inside fixed mounting of test box has a plurality of noise detection appearance, the test box is the material that gives sound insulation, first opening has been seted up at the top of test box, the top of test box is provided with the clamp plate, the second opening has been seted up at the top of clamp plate, the length and the width of first opening all are greater than the second opening, the equal fixedly connected with lifting unit in the left and right sides at the front of test box and back, four lifting unit is connected with the four corners of clamp plate bottom respectively, the bottom of test box is provided with the base, the bottom of base is seted up flutedly, be provided with the driving piece that the synchronous lift of four lifting unit of drive groups in the recess, the front fixed mounting of test box has the display, display and noise detection appearance electric connection.
As a further description of the above technical solution:
the lifting assembly comprises a connecting shell, the connecting shell is fixedly connected with the test box, a threaded sleeve is arranged in the connecting shell in an alternating mode, the top of the threaded sleeve is fixedly connected with the bottom of the pressing plate, the bottom of the threaded sleeve is in threaded connection with a threaded rod, the bottom of the threaded rod penetrates through the base and extends into the groove, and the driving piece is connected with the threaded rod.
As a further description of the above technical solution:
the driving piece comprises four driving wheels, four driving wheels are respectively fixedly connected with the bottom ends of four threaded rods, a driving belt is arranged in each groove, the four driving wheels are connected through transmission of the driving belt, one of the four threaded rods is sleeved with a conical driven wheel fixedly connected with the threaded rod, the conical driven wheel is located in each groove, a conical driving wheel is meshed with the right side of the conical driven wheel, a rotating rod is fixedly connected to the right side of the conical driving wheel, and the right end of the rotating rod penetrates through and extends to the right side of the base.
As a further description of the above technical solution:
the equal fixedly connected with guide block in the left and right sides that threaded sleeve is close to the bottom, the guide way has all been seted up to the left and right sides of connecting shell inner wall, two the guide block respectively with two guide way sliding connection.
As a further description of the above technical solution:
the top of the test box and the bottom of the pressure plate are fixedly connected with sealing gaskets matched with the top of the test box and the bottom of the pressure plate.
As a further description of the above technical solution:
the front of the base is fixedly connected with a handle.
Compared with the prior art, the utility model has the advantages that:
(1) this scheme is when carrying out the noise detection experiment, will treat the material of making an uproar that falls of experiment earlier and tailor to and place the top at the test box with test box looks adaptation, then descend in step through four lifting unit of driving piece drive, drive the clamp plate and descend and will treat that the experimental material compresses tightly, then send the noise through noise generating device in the test box outside, the noise that receives in the noise detection appearance test box simultaneously to with data display on the display, conveniently read, experiment operation is very simple.
(2) This scheme is through rotating the rotation that the bull stick drove the toper action wheel to drive one of them threaded rod through the rotation of toper from the driving wheel and rotate, cooperate drive wheel and drive belt to drive other three threaded rod simultaneously and also rotate in step, and then drive four screw thread sleeve pipe and go up and down in step, make then that the clamp plate rises or descends, thereby conveniently carry out noise experiment work.
(3) This scheme can make through two sealed pad and keep encapsulated situation between this material and test box and the clamp plate, prevents that the noise from getting into the inside of test box from the gap between test box and the material to increase the accuracy of noise experiment.
(4) This scheme can play supplementary spacing and guide effect to the screw thread sleeve pipe through the mutually supporting of guide block and guide way, stability when increasing the screw thread sleeve pipe motion can make things convenient for carrying of whole device through the handle.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the platen of FIG. 1 shown separated from a test chamber in accordance with the present invention;
FIG. 3 is an elevational, cross-sectional view of FIG. 1 in accordance with the present invention.
The reference numbers in the figures illustrate:
1. a test box; 2. a noise detector; 3. a first port; 4. pressing a plate; 5. a second port; 6. a lifting assembly; 61. a connecting shell; 62. a threaded bushing; 63. a threaded rod; 64. a guide block; 65. a guide groove; 7. a base; 8. a groove; 9. a drive member; 91. a driving wheel; 92. a transmission belt; 93. a conical driven wheel; 94. a conical driving wheel; 95. a rotating rod; 10. a display; 11. a gasket; 12. a handle.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;
please refer to fig. 1-3, a noise detection experimental apparatus, including a testing box 1, a plurality of noise detectors 2 are fixedly installed inside the testing box 1, the testing box 1 is made of sound insulation material, a first opening 3 is opened on the top of the testing box 1, a pressing plate 4 is arranged above the testing box 1, a second opening 5 is opened on the top of the pressing plate 4, the length and width of the first opening 3 are greater than the second opening 5, lifting assemblies 6 are fixedly connected to the left and right sides of the front and back of the testing box 1, the four lifting assemblies 6 are respectively connected with four corners of the bottom of the pressing plate 4, a base 7 is arranged at the bottom of the testing box 1, a groove 8 is opened at the bottom of the base 7, a driving member 9 for driving the four lifting assemblies 6 to synchronously lift is arranged in the groove 8, a display 10 is fixedly installed on the front of the testing box 1, the display 10 is electrically connected with the noise detectors 2, when the apparatus is used, the noise reduction material to be tested is cut to be adapted to the testing box 1 and placed in the testing box 1's top, then descend through the synchronous of driving piece 9 drive four groups of lifting unit 6, drive clamp plate 4 and descend and will treat the experimental material and compress tightly, then send the noise through noise generating device in the 1 outside of test box, the noise that receives in the 2 detection casees of noise detector simultaneously to with data display on display 10, conveniently read, experiment operation is very simple.
Referring to fig. 1 to 3, the lifting assembly 6 includes a connecting shell 61, the connecting shell 61 is fixedly connected to the testing box 1, a threaded sleeve 62 is inserted into the connecting shell 61, the top of the threaded sleeve 62 is fixedly connected to the bottom of the pressing plate 4, a threaded rod 63 is connected to the bottom of the threaded sleeve 62, the bottom end of the threaded rod 63 extends into the groove 8 through the base 7, a driving member 9 is connected to the threaded rod 63, the driving member 9 includes four driving wheels 91, the four driving wheels 91 are respectively fixedly connected to the bottom ends of the four threaded rods 63, a transmission belt 92 is disposed in the groove 8, the four driving wheels 91 are in transmission connection via the transmission belt 92, one of the threaded rods 63 is sleeved with a conical driven wheel 93 fixedly connected to the threaded rod, the conical driven wheel 93 is disposed in the groove 8, a conical driving wheel 94 is engaged with the right side of the conical driven wheel 93, a rotating rod 95 is fixedly connected to the right side of the conical driving wheel 94, the right end of the rotary rod 95 penetrates and extends to the right side of the base 7.
During the in-service use, it drives the rotation of toper action wheel 94 through rotating bull stick 95 to drive one of them threaded rod 63 through the rotation of toper driven wheel 93 and rotate, cooperate drive wheel 91 and drive belt 92 to drive other three threaded rod 63 and also rotate in step simultaneously, and then drive four threaded sleeve 62 and go up and down in step, make clamp plate 4 rise or descend, thereby conveniently carry out noise experiment work.
Wherein, threaded sleeve 62 is close to the equal fixedly connected with guide block 64 in the left and right sides of bottom, and guide way 65 has all been seted up to the left and right sides of connecting shell 61 inner wall, two guide block 64 respectively with two guide way 65 sliding connection, through mutually supporting of guide block 64 and guide way 65, can play supplementary spacing and guide effect to threaded sleeve 62, stability when increasing the motion of threaded sleeve 62.
Please refer to fig. 1-3, the top of the testing box 1 and the bottom of the pressing plate 4 are fixedly connected with the sealing gaskets 11 adapted thereto, when the pressing plate 4 presses the material to be tested, the material and the testing box 1 and the pressing plate 4 are kept in a sealing state by the two sealing gaskets 11, so as to prevent noise from entering the testing box 1 from the gap between the testing box 1 and the material, thereby increasing the accuracy of the noise test, the front surface of the base 7 is fixedly connected with the handle 12, and the whole device can be conveniently carried by the handle 12.
The working principle is as follows: when the device is used for carrying out a noise detection experiment, firstly, a noise reduction material to be tested is cut to be matched with the test box 1 and placed at the top of the test box 1, then, the rotating rod 95 is rotated to drive the conical driving wheel 94 to rotate, the conical driven wheel 93 is rotated to drive one of the threaded rods 63 to rotate, meanwhile, the driving wheel 91 and the driving belt 92 are matched to drive other three threaded rods 63 to synchronously rotate, so that the four threaded sleeves 62 are driven to synchronously descend, and then, the pressing plate 4 is driven to descend and is matched with the sealing gasket 11 to tightly press the noise reduction material to be tested;
then send the noise through noise generating device in the test box 1 outside, noise detector 2 detects the interior noise data that receive of case simultaneously to show data on display 10, conveniently read, and at the in-process of experiment, the staff can adjust noise generating device's noise intensity level according to the demand, so that test out the anti-noise grade of this noise reduction material, detect the back of accomplishing, drive clamp plate 4 again and rise, take off the material can, experimental operation is very simple, be worth promoting.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (6)
1. The utility model provides a noise detection experimental apparatus, includes test box (1), its characterized in that: the noise detection device is characterized in that a plurality of noise detectors (2) are fixedly arranged inside the test box (1), the test box (1) is made of sound insulation materials, a first through hole (3) is formed in the top of the test box (1), a pressing plate (4) is arranged above the test box (1), a second through hole (5) is formed in the top of the pressing plate (4), the length and the width of the first through hole (3) are larger than those of the second through hole (5), lifting assemblies (6) are fixedly connected to the left side and the right side of the front surface and the back surface of the test box (1), the four lifting assemblies (6) are respectively connected with four corners of the bottom of the pressing plate (4), a base (7) is arranged at the bottom of the test box (1), a groove (8) is formed in the bottom of the base (7), and driving pieces (9) for driving the four lifting assemblies (6) to synchronously lift are arranged in the groove (8), the front face of the test box (1) is fixedly provided with a display (10), and the display (10) is electrically connected with the noise detector (2).
2. The noise detection experimental apparatus according to claim 1, wherein: lifting unit (6) are including connecting shell (61), connect shell (61) and test box (1) fixed connection, it is provided with threaded sleeve pipe (62) to link to alternate in shell (61), the top of threaded sleeve pipe (62) and the bottom fixed connection of clamp plate (4), the bottom threaded connection of threaded sleeve pipe (62) has threaded rod (63), the bottom of threaded rod (63) is run through in base (7) extends to recess (8), driving piece (9) are connected with threaded rod (63).
3. A noise detection experimental apparatus according to claim 2, wherein: driving piece (9) are including four drive wheels (91), four drive wheel (91) respectively with the bottom fixed connection of four threaded rod (63), be provided with drive belt (92) in recess (8), four drive wheel (91) are connected through drive belt (92) transmission, one of them threaded rod (63) are gone up the cover and are equipped with rather than fixed connection's toper from driving wheel (93), toper is located recess (8) from driving wheel (93), the right side meshing of toper from driving wheel (93) has toper action wheel (94), the right side fixedly connected with bull stick (95) of toper action wheel (94), the right-hand member of bull stick (95) runs through and extends to the right side of base (7).
4. A noise detection experimental apparatus according to claim 2, wherein: threaded sleeve pipe (62) are close to equal fixedly connected with guide block (64) in the left and right sides of bottom, guide way (65), two have all been seted up to the left and right sides of connecting shell (61) inner wall guide block (64) respectively with two guide way (65) sliding connection.
5. The noise detection experimental apparatus according to claim 1, wherein: the top of the test box (1) and the bottom of the pressure plate (4) are fixedly connected with sealing gaskets (11) matched with the top of the test box.
6. The noise detection experimental apparatus according to claim 1, wherein: the front surface of the base (7) is fixedly connected with a handle (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121554370.1U CN216117455U (en) | 2021-07-09 | 2021-07-09 | Noise detection experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121554370.1U CN216117455U (en) | 2021-07-09 | 2021-07-09 | Noise detection experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216117455U true CN216117455U (en) | 2022-03-22 |
Family
ID=80722557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121554370.1U Expired - Fee Related CN216117455U (en) | 2021-07-09 | 2021-07-09 | Noise detection experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216117455U (en) |
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2021
- 2021-07-09 CN CN202121554370.1U patent/CN216117455U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |