CN113340994A - Cotton goods of glass inhale sound detection device - Google Patents
Cotton goods of glass inhale sound detection device Download PDFInfo
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- CN113340994A CN113340994A CN202110892869.1A CN202110892869A CN113340994A CN 113340994 A CN113340994 A CN 113340994A CN 202110892869 A CN202110892869 A CN 202110892869A CN 113340994 A CN113340994 A CN 113340994A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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Abstract
The invention discloses a sound absorption detection device for a glass wool product, which comprises a detection box body, wherein a detection cavity is arranged in the detection box body, a marking mechanism is arranged in the detection cavity, the marking mechanism comprises a first motor fixedly connected to the left side of the detection box body, the sound absorption detection is carried out on the glass wool product while the glass wool product is rolled by utilizing a gear transmission principle and a belt transmission principle, a loudspeaker is made to make a sound by utilizing a cam transmission structure, then a decibel meter is utilized to measure the sound volume on the opposite side, the sound insulation effect of the glass wool product is detected, in addition, the detection cavity is sealed by utilizing a sound insulation plate in the glass wool rolling process, the sound leakage is prevented, the detection effect is ensured, in addition, the centrifugal force principle and the interaction of an inclined block are utilized to be skillfully combined, the detection part can be timely marked when the detection is unqualified, the part with poor sound insulation effect can be timely found and repaired when a worker, time and labor are saved.
Description
Technical Field
The invention relates to the technical field of glass wool detection, in particular to a sound absorption detection device for a glass wool product.
Background
Glass wool belongs to one class of glass fibers, a man-made inorganic fiber. The glass wool is a material formed by fiberizing molten glass into wool, belongs to glass as a chemical component, is an inorganic fiber, and has the advantages of good forming, small volume density, thermal conductivity , heat preservation and insulation, good sound absorption performance, corrosion resistance and stable chemical performance. Need inhale the sound detection to glass cotton when production glass cotton goods to guarantee glass cotton goods's syllable-dividing effect, nevertheless because the glass cotton that detects is numerous, detect very loaded down with trivial details, and can not be to the position timely mark that has the problem, follow-up detection time measuring is extremely wasted time again.
Disclosure of Invention
The invention aims to provide a sound absorption detection device for glass wool products, which is used for overcoming the defects in the prior art.
The sound absorption detection device for the glass wool product comprises a detection box body, wherein a detection cavity is arranged in the detection box body, a marking mechanism is arranged in the detection cavity and comprises a first motor fixedly connected to the left side of the detection box body, a first transmission shaft is connected to the first motor in a power connection mode, a rotary disc positioned in the detection cavity is arranged on the first transmission shaft, four groups of rotary cavities distributed in an annular array mode by taking the first transmission shaft as a center are arranged in the rotary disc, sliding rods are connected in the rotary cavities in a sliding mode, one side, close to the first transmission shaft, of each sliding rod is fixedly connected with a connecting spring fixedly connected to the inner wall of each rotary cavity, the direction, far away from the first transmission shaft, of each sliding rod is fixedly connected with a connecting box, a sliding cavity is arranged in each connecting box, and a connecting rod extending to the outer side of each sliding cavity is connected in each sliding cavity in a sliding mode, the left side of the connecting rod is fixedly provided with a fixed spring fixedly connected to the inner wall of the sliding cavity, the inner wall of the detection cavity is provided with a conical groove, the connecting rod is provided with a marker pen, one side of the connecting rod, which is far away from the first transmission shaft, is provided with an inclined plate abutted against the conical groove, when the first motor is started, the first transmission shaft can be driven to rotate so as to drive the rotating disc to rotate, the sliding rods distributed in an annular array slide towards the direction far away from the first transmission shaft simultaneously through the principle of centrifugal force so as to drive the connecting box to slide towards the direction far away from the first transmission shaft, and the connecting rod slides towards the right side while sliding towards the direction far away from the first transmission shaft due to the abutting of the inclined plate and the conical groove, so as to drive the marker pen to slide towards the right side, and the fixed spring is stretched, the detection cavity is also provided with a winding mechanism, the winding mechanism can distribute the glass wool products in the detection cavity, the detection cavity is also provided with a detection mechanism, and the detection mechanism can make a sound for detection.
In a further technical scheme, the winding mechanism comprises a first expansion plate fixedly connected to the upper side of the detection box body, the front side of the first expansion plate is fixedly connected with a second motor, a first rolling cavity with an upward opening is arranged in the first expansion plate, the second motor is connected with a second transmission shaft extending into the first rolling cavity in a power mode, the second transmission shaft is provided with a first rolling roller positioned in the first rolling cavity, a second expansion plate is arranged at the lower side of the detection box body, a second rolling cavity with a downward opening is arranged in the second expansion plate, a third transmission shaft is rotatably connected in the second winding cavity, a second winding roller is arranged on the third transmission shaft, the second winding roller and the first winding roller are rotatably connected with glass wool which is connected with the detection box body in a sliding mode and extends into the detection cavity, and the part, located in the detection cavity, of the glass wool is the part to be detected.
According to the technical scheme, the first expansion plate is connected with a fourth transmission shaft in a rotating mode, the fourth transmission shaft is located on the right side of the second transmission shaft, the fourth transmission shaft is connected with a gear pair of the second transmission shaft, the fourth transmission shaft is in belt transmission connection with the third transmission shaft, namely when the second motor is started, the second transmission shaft rotates, due to the gear transmission principle, the rotating direction of the fourth transmission shaft is opposite to that of the second transmission shaft, and due to the belt transmission principle, the rotating direction of the third transmission shaft is the same as that of the fourth transmission shaft, namely, the rotating direction of the third transmission shaft is opposite to that of the second transmission shaft, so that the first winding roller and the second winding roller rotate, the glass wool is collected on the first winding roller and collected on the second winding roller.
A further technical scheme, be equipped with sound insulation chamber in the detection case, sound insulation chamber about glass cotton bilateral symmetry and about four groups altogether of first transmission shaft longitudinal symmetry, sound insulation intracavity sliding connection is about glass cotton bilateral symmetry's acoustic celotex board, the acoustic celotex board with detection case sliding connection and with glass cotton butt, keep away from on the acoustic celotex board glass cotton one side is equipped with fixed connection and is in buffer spring on the sound insulation intracavity wall, because buffer spring's effect when glass cotton slides the acoustic celotex board all the time with glass cotton butt, thereby guarantee detect the intracavity and be in airtight environment, prevent that sound from leaking outward.
In a further technical scheme, the detection mechanism comprises a fixed plate fixedly connected to the inner wall of the detection cavity, a horn is arranged on the fixed plate, an air bag is arranged on the horn, a fifth transmission shaft in transmission connection with the fourth transmission shaft is rotatably connected to the inner wall of the detection cavity, a cam is arranged on the fifth transmission shaft, a sliding plate in butt connection with the cam is slidably connected to the inner wall of the detection cavity, the sliding plate is in butt connection with the air bag, a return spring in fixed connection with the inner wall of the detection cavity is fixedly connected to the lower side of the sliding plate, when the fourth transmission shaft rotates, the fifth transmission shaft can be driven to rotate by a belt transmission principle, so that the cam is driven to rotate, the sliding plate can be driven to move up and down by a cam transmission principle, so that the sliding plate is driven to be in contact with the air bag, when the sliding plate is in contact with the air bag, the loudspeaker can be controlled to make sound.
According to the technical scheme, the fixed connection position on the inner wall of the detection cavity is the fixed table on the right side of the rotating disc, the fixed connection position on the fixed table is the decibel detector on the right side of the glass cotton, the sound emitted by the loudspeaker passes through the glass cotton, part of the sound is absorbed by the glass cotton, the decibel detector can detect the decibel amount of the sound on the left side of the glass cotton, and the first motor is controlled and started when the decibel amount is too high.
The invention has the beneficial effects that: the invention utilizes the gear transmission principle and the belt transmission principle to carry out sound absorption detection on the glass cotton product while the glass cotton product is rolled, firstly utilizes the cam transmission structure to make the loudspeaker sound, then utilizes the decibel meter to carry out volume measurement on the opposite side, and detects the sound insulation effect of the glass cotton product, moreover, the sound insulation plate is utilized to seal the detection cavity in the glass cotton rolling process, thereby preventing sound leakage and ensuring the detection effect.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a schematic view of the overall structure of a sound absorption detection device for glass wool products according to the present invention;
FIG. 3 is a schematic view of A-A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged partial schematic view of B of FIG. 2 in accordance with the present invention;
FIG. 5 is a schematic view of C-C of FIG. 2 according to the present invention.
Detailed Description
For purposes of making the objects and advantages of the present invention more apparent, the following detailed description of the invention, taken in conjunction with the examples, should be understood that the following text is only intended to describe one or more specific embodiments of the invention, and not to strictly limit the scope of the invention as specifically claimed, and as used herein, the terms up, down, left, and right are not limited to their strict geometric definitions, but rather include tolerances for reasonable and inconsistent machining or human error, the following detailed description of the specific features of the sound-absorbing sensing device for a glass wool article:
referring to the drawings, the sound absorption detection device for the glass wool product according to the embodiment of the invention comprises a detection box body 11, a detection cavity 12 is arranged in the detection box body 11, a marking mechanism 901 is arranged in the detection cavity 12, the marking mechanism 901 comprises a first motor 30 fixedly connected to the left side of the detection box body 11, a first transmission shaft 31 is connected to the first motor 30 in a power mode, a rotating disc 34 positioned in the detection cavity 12 is arranged on the first transmission shaft 31, four groups of rotating cavities 35 distributed in an annular array by taking the first transmission shaft 31 as a center are arranged in the rotating disc 34, sliding rods 36 are connected in the rotating cavities 35 in a sliding mode, connecting springs 37 fixedly connected to the inner walls of the rotating cavities 35 are fixedly connected to one side, close to the first transmission shaft 31, of the sliding rods 36, far away from the first transmission shaft 31, connecting boxes 38 are fixedly connected to the sides of the sliding rods 36, a sliding cavity 39 is arranged in the connecting box 38, a connecting rod 40 extending to the outside of the sliding cavity 39 is slidably connected in the sliding cavity 39, a fixed spring 41 fixedly connected to the inner wall of the sliding cavity 39 is fixedly arranged at the left side of the connecting rod 40, a tapered groove 44 is arranged on the inner wall of the detection cavity 12, a marker pen 42 is arranged on the connecting rod 40, an inclined plate 43 abutted to the tapered groove 44 is arranged on one side of the connecting rod 40, which is far away from the first transmission shaft 31, so that the first transmission shaft 31 can be driven to rotate after the first motor 30 is started, the rotating disc 34 is driven to rotate, the sliding rods 36 distributed in an annular array can simultaneously slide in the direction far away from the first transmission shaft 31 through the centrifugal force principle, the connecting box 38 is driven to slide in the direction far away from the first transmission shaft 31, and the inclined plate 43 is abutted to the tapered groove 44, connecting rod 40 is keeping away from slide to the right side in the first transmission shaft 31 direction, thereby drive marker 42 slides to the right side, fixed spring 41 is tensile, still be equipped with winding mechanism 902 in the detection chamber 12, through winding mechanism 902 can distribute the glass cotton goods in detecting the chamber, still be equipped with detection mechanism 903 in the detection chamber 12, through detection mechanism 903 can make a sound and be used for detecting.
Advantageously or exemplarily, the winding mechanism 902 includes a first expanding plate 13 fixedly connected to the upper side of the detection box 11, a second motor 14 is fixedly connected to the front side of the first expanding plate 13, a first winding cavity 45 with an upward opening is formed in the first expanding plate 13, a second transmission shaft 15 extending into the first winding cavity 45 is connected to the second motor 14 in a power mode, a first winding roller 16 located in the first winding cavity 45 is disposed on the second transmission shaft 15, a second expanding plate 46 is disposed on the lower side of the detection box 11, a second winding cavity 47 with a downward opening is formed in the second expanding plate 46, a third transmission shaft 25 is rotatably connected to the second winding cavity 47, a second winding roller 26 is disposed on the third transmission shaft 25, and glass wool 17 slidably connected to the detection box 11 and extending into the detection cavity 12 is rotatably connected to the second winding roller 26 and the first winding roller 16, the part of the glass wool 17 located in the detection cavity 12 is the part to be detected.
Advantageously or exemplarily, a fourth transmission shaft 18 is rotatably connected to said first spreader plate 13 on the right side of said second transmission shaft 15, the fourth transmission shaft 18 is connected with the second transmission shaft 15 through a gear pair, the fourth transmission shaft 18 is connected with the third transmission shaft 25 through a belt transmission, i.e. when the second motor 14 is started, the second transmission shaft 15 rotates, and due to the gear transmission principle, the fourth transmission shaft 18 rotates in the opposite direction to the second transmission shaft 15, due to the belt drive principle, the third transmission shaft 25 rotates in the same direction as the fourth transmission shaft 18, namely, the third transmission shaft 25 rotates in the opposite direction to the second transmission shaft 15, so that the glass wool 17 is collected from the first collecting roller 16 to the second collecting roller 26 when the first collecting roller 16 and the second collecting roller 26 rotate.
Beneficially or exemplarily, a sound insulation cavity 27 is arranged in the detection box body 11, the sound insulation cavity 27 is bilaterally symmetrical with respect to the glass wool 17 and is vertically symmetrical with respect to the first transmission shaft 31, the sound insulation cavity 27 is slidably connected with a sound insulation plate 29 which is bilaterally symmetrical with respect to the glass wool 17, the sound insulation plate 29 is slidably connected with the detection box body 11 and abuts against the glass wool 17, a buffer spring 28 fixedly connected with the inner wall of the sound insulation cavity 27 is arranged on one side of the sound insulation plate 29 away from the glass wool 17, and due to the action of the buffer spring 28, the sound insulation plate 29 always abuts against the glass wool 17 when the glass wool 17 slides, so that the detection cavity 12 is kept in a closed environment, and sound leakage is prevented.
Advantageously or exemplarily, the detection mechanism 903 includes a fixed plate 22 fixedly connected to the inner wall of the detection chamber 12, a horn 23 is disposed on the fixed plate 22, an air bag 24 is disposed on the horn 23, a fifth transmission shaft 19 in belt transmission connection with the fourth transmission shaft 18 is rotatably connected to the inner wall of the detection chamber 12, a cam 20 is disposed on the fifth transmission shaft 19, a sliding plate 21 in abutment with the cam 20 is slidably connected to the inner wall of the detection chamber 12, the sliding plate 21 is in abutment with the air bag 24, a return spring 48 fixedly connected to the inner wall of the detection chamber 12 is fixedly connected to the lower side of the sliding plate 21, when the fourth transmission shaft 18 rotates, the fifth transmission shaft 19 is driven to rotate by the belt transmission principle, so as to drive the cam 20 to rotate, and the sliding plate 21 is driven to move up and down by the cam transmission principle, thereby bringing the sliding plate 21 into contact with the airbag 24, and controlling the speaker 23 to emit sound when the sliding plate 21 is in contact with the airbag 24.
Beneficially or exemplarily, a fixed table 32 is fixedly connected to the inner wall of the detection chamber 12 and located on the right side of the rotating disc 34, a decibel detector 33 is fixedly connected to the fixed table 32 and located on the right side of the glass wool 17, a part of sound emitted by the horn 23 is absorbed by the glass wool 17 after passing through the glass wool 17, and the decibel detector 33 can detect the decibel amount of sound on the left side of the glass wool 17 and control the first motor 30 to be activated when the decibel amount is too high.
The invention relates to a sound absorption detection device for a glass wool product, which comprises the following working procedures:
the second motor 14 is started, the second transmission shaft 15 rotates, the rotation direction of the fourth transmission shaft 18 is opposite to that of the second transmission shaft 15 due to the gear transmission principle, the rotation direction of the third transmission shaft 25 is the same as that of the fourth transmission shaft 18 due to the belt transmission principle, namely, the rotation direction of the third transmission shaft 25 is opposite to that of the second transmission shaft 15, the second motor 14 and the third transmission shaft 25 rotate to drive the first winding roller 16 and the second winding roller 26 to rotate, so that the glass wool 17 is wound and unwound from the first winding roller 16 to the second winding roller 26 when the first winding roller 16 and the second winding roller 26 rotate, the part of the glass wool 17 in the detection cavity 12 is the part to be detected, and not only is the sound insulation plate 29 always abutted to the glass wool 17 due to the action of the buffer spring 28 when the glass wool 17 slides, thereby ensuring that the detection cavity 12 is in a closed environment and preventing sound from leaking outwards;
when the second transmission shaft 15 rotates, the fourth transmission shaft 18 can be driven to rotate by a gear transmission principle, when the fourth transmission shaft 18 rotates, the fifth transmission shaft 19 can be driven to rotate by a belt transmission principle, so that the cam 20 is driven to rotate, the sliding plate 21 can be driven to move up and down by a cam transmission principle, so that the sliding plate 21 is driven to contact with the airbag 24, when the sliding plate 21 contacts with the airbag 24, the horn 23 can be controlled to make a sound, after the sound passes through the glass wool 17, part of the sound is absorbed by the glass wool 17, the decibel detector 33 can be used for detecting the decibel value of the sound on the left side of the glass wool 17, and controlling and starting the first motor 30 when the decibel value is too high, and when the first motor 30 is started, the first transmission shaft 31 can be driven to rotate, the rotary disk 34 is driven to rotate, the sliding rods 36 distributed in a circular array simultaneously slide in a direction away from the first transmission shaft 31 by the principle of centrifugal force, the connecting box 38 is driven to slide in a direction away from the first transmission shaft 31, the connecting rod 40 slides in a direction away from the first transmission shaft 31 and slides to the right side by the contact of the inclined plate 43 and the tapered groove 44, the marker pen 42 is driven to slide to the right side, the fixing spring 41 is stretched, the marker pen 42 slides to the right and then contacts the glass wool 17, and the marker pen 42 rotates, so that a circular (threaded) mark can be left on the glass wool 17, and a worker is reminded of handling the part.
The invention has the beneficial effects that: the invention utilizes the gear transmission principle and the belt transmission principle to carry out sound absorption detection on the glass cotton product while the glass cotton product is rolled, firstly utilizes the cam transmission structure to make the loudspeaker sound, then utilizes the decibel meter to carry out volume measurement on the opposite side, and detects the sound insulation effect of the glass cotton product, moreover, the sound insulation plate is utilized to seal the detection cavity in the glass cotton rolling process, thereby preventing sound leakage and ensuring the detection effect.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.
Claims (6)
1. The utility model provides a cotton goods of glass inhales sound detection device, includes the detection box, be equipped with the detection chamber in the detection box, its characterized in that: the detection cavity is internally provided with a marking mechanism which comprises a first motor fixedly connected to the left side of the detection box body, the first motor is connected with a first transmission shaft in a power mode, the first transmission shaft is provided with a rotating disk positioned in the detection cavity, the rotating disk is internally provided with four groups of rotating cavities distributed in an annular array mode by taking the first transmission shaft as the center, the rotating cavities are internally and slidably connected with sliding rods, one side of each sliding rod, which is close to the first transmission shaft, is fixedly connected with a connecting spring fixedly connected to the inner wall of each rotating cavity, the sliding rod is far away from a connecting box fixedly connected to the direction of the first transmission shaft, the connecting box is internally provided with a sliding cavity, the sliding cavity is internally and slidably connected with a connecting rod extending to the outer side of the sliding cavity, the left side of the connecting rod is fixedly connected with a fixed spring fixedly connected to the inner wall of the sliding cavity, detect the intracavity wall and be equipped with the tapered groove, be equipped with the marker pen on the connecting rod, keep away from on the connecting rod first transmission shaft one side be equipped with the hang plate of tapered groove butt, it still is equipped with winding mechanism to detect the intracavity, through winding mechanism can distribute the glass cotton goods in detecting the chamber, it still is equipped with detection mechanism to detect the intracavity, through detection mechanism can make a sound and be used for detecting.
2. The sound absorption detection device for the glass wool product according to claim 1, characterized in that: winding mechanism includes fixed connection and is in detect the first expansion board of box upside, first expansion board front side fixedly connected with second motor, be equipped with the ascending first rolling chamber of opening in the first expansion board, power connection has and extends to on the second motor the second transmission shaft of first rolling intracavity, be equipped with on the second transmission shaft and be located the first wind-up roll of first rolling intracavity, it is equipped with the second expansion board to detect the box downside, be equipped with the decurrent second rolling chamber of opening in the second expansion board, second rolling intracavity rotates and is connected with the third transmission shaft, be equipped with the second wind-up roll on the third transmission shaft, the second wind-up roll with rotate on the first wind-up roll be connected with detect box sliding connection and extend to detect the glass cotton of intracavity.
3. The sound absorption detection device for the glass wool product according to claim 2, characterized in that: the first expansion plate is connected with a fourth transmission shaft on the right side of the second transmission shaft in a rotating mode, the fourth transmission shaft is connected with a gear pair of the second transmission shaft, and the fourth transmission shaft is in belt transmission connection with the third transmission shaft.
4. The sound absorption detection device for the glass wool product according to claim 3, wherein: the internal sound insulation chamber that is equipped with of detection box, the sound insulation chamber about the cotton bilateral symmetry of glass just about the first transmission shaft longitudinal symmetry is totally four groups, sound insulation intracavity sliding connection is about the acoustic celotex board of the cotton bilateral symmetry of glass, the acoustic celotex board with detect box sliding connection and with the cotton butt of glass, keep away from on the acoustic celotex board glass cotton one side is equipped with fixed connection in buffer spring on the sound insulation intracavity wall.
5. The sound absorption detection device for the glass wool product according to claim 4, wherein: the detection mechanism comprises a fixed plate fixedly connected to the inner wall of the detection cavity, a horn is arranged on the fixed plate, an air bag is arranged on the horn, a fifth transmission shaft in transmission connection with the fourth transmission shaft is rotatably connected to the inner wall of the detection cavity, a cam is arranged on the fifth transmission shaft, a sliding plate in butt connection with the cam is slidably connected to the inner wall of the detection cavity, the sliding plate is in butt connection with the air bag, and a reset spring fixedly connected to the inner wall of the detection cavity is fixedly connected to the lower side of the sliding plate.
6. The sound absorption detection device for the glass wool product according to claim 5, wherein: the detection cavity is characterized in that a fixing table located on the right side of the rotating disc is fixedly connected to the inner wall of the detection cavity, and a decibel detector located on the right side of the glass wool is fixedly connected to the fixing table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892869.1A CN113340994B (en) | 2021-08-04 | 2021-08-04 | Cotton goods of glass inhale sound detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892869.1A CN113340994B (en) | 2021-08-04 | 2021-08-04 | Cotton goods of glass inhale sound detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113340994A true CN113340994A (en) | 2021-09-03 |
| CN113340994B CN113340994B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110892869.1A Active CN113340994B (en) | 2021-08-04 | 2021-08-04 | Cotton goods of glass inhale sound detection device |
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| Country | Link |
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| CN (1) | CN113340994B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114544779A (en) * | 2022-02-23 | 2022-05-27 | 深圳市宝测达科技有限公司 | Detection device and detection method for sound insulation material of truck scale |
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| CN111982063A (en) * | 2020-08-21 | 2020-11-24 | 温州市框恒智能科技有限公司 | Level detection marking device for railway track |
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| JP2012052987A (en) * | 2010-09-03 | 2012-03-15 | Takenaka Komuten Co Ltd | Sound adsorption coefficient measuring device, sound characteristics measuring device, method and program |
| CN204228665U (en) * | 2014-09-02 | 2015-03-25 | 中原工学院 | Fabric sound-adsorbing sound-insulating hung proving installation |
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| CN114544779A (en) * | 2022-02-23 | 2022-05-27 | 深圳市宝测达科技有限公司 | Detection device and detection method for sound insulation material of truck scale |
| CN114544779B (en) * | 2022-02-23 | 2022-12-06 | 深圳市宝测达科技有限公司 | Detection device and detection method for sound insulation material of truck scale |
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| Publication number | Publication date |
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| CN113340994B (en) | 2021-10-26 |
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