CN209689746U - A kind of multi-functional positioning device for sound level meter - Google Patents
A kind of multi-functional positioning device for sound level meter Download PDFInfo
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- CN209689746U CN209689746U CN201920306545.3U CN201920306545U CN209689746U CN 209689746 U CN209689746 U CN 209689746U CN 201920306545 U CN201920306545 U CN 201920306545U CN 209689746 U CN209689746 U CN 209689746U
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- level meter
- sound level
- turntable
- positioning device
- lifting cylinder
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Abstract
The utility model discloses a kind of multi-functional positioning device for sound level meter, it is related to engineering detecting equipment technical field, including pedestal, lifting cylinder is installed above the pedestal, the upper end of the lifting cylinder is rotatably connected to turntable, and rack gear is arranged in the outside of the turntable.The utility model is when in use, then sound level meter is placed between dynamic clamping plate and clamp plate, then crank is reversely shaken, crank drives dynamic clamping plate Slideslip to the left by screw rod, to clamp sound level meter, when when being detected, change the height of sound level meter by lifting cylinder, then motor driven gear rotates, gear drives turntable rotation by gear ring, to give change measurement angle, compared to more existing positioning device, novel multi-functional positioning device for sound level meter can easily position sound level meter, and it is stronger when positioning, when changing position, it is not susceptible to loosen, to improve the accuracy of detection.
Description
Technical field
The utility model relates to engineering detecting equipment technical field, specifically a kind of multi-functional positioning device for sound level meter.
Background technique
Sound level meter is most basic noise-measuring instrument, it is a kind of electronic instrument, but objective different from voltmeter etc.
Electronic instrument.When acoustical signal is converted into electric signal, human ear can be simulated to the time response of sound wave reaction speed；To height
Frequency changes the strength characteristics of frequency characteristic when having the frequency characteristic and different loudness of different sensitivity.Sound level meter is a kind of subjectivity
Calibrating of the electronic instrument of property to projects such as the spectrum overlappings of sound level meter, will carry out in anechoic room or silencer box and pass through camera shooting
Head reading, also there are strict requirements with angle at a distance from standard source to sound level meter for national verification regulation, and position needs by hand
Sound level meter to be entered in anechoic room by platform and be placed, the inefficiency positioned by hand, and positioning accuracy is not high, occurred later
Two racks are arranged in cabinet, sound source is arranged in a rack, electricity is arranged in another rack for a kind of positioning device for sound level meter
Sound level meter is placed on positioning disk by machine and positioning disk, when positioning, and the height of positioning disk is positioned by the height of rack, passes through electricity
Machine determines angle driving to position the angle of positioning disk, and this device ratio is positioned manually faster, more accurately.
But the shortcomings that this device, is, lacks to the monitoring with positional accuracy, once there is deviation in motor work
Or bracket deviates, and just will affect positional accuracy, and when the positioning of existing device band, only simply by sound level
Meter is placed in groove, and when adjusting the position, sound level meter is easy to shake, and then influences verification result.Therefore, those skilled in the art
A kind of multi-functional positioning device for sound level meter is provided, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of this utility model is to provide a kind of multi-functional positioning device for sound level meter, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of multi-functional positioning device for sound level meter, a kind of multi-functional positioning device for sound level meter, including pedestal, the pedestal
Top is equipped with lifting cylinder, and the upper end of the lifting cylinder is rotatably connected to turntable, and rack gear is arranged in the outside of the turntable,
The side of the lifting cylinder is fixedly connected with strut, and motor is equipped on the strut, and the output shaft of the motor, which is driven, to be connected
It is connected to gear, the gear engagement is connected to the gear ring, supporting plate, spiral shell on the supporting plate are fixedly connected with above the turntable
It is connected to screw rod, the screw rod left end is rotatably connected to dynamic clamping plate, and the right end of the screw rod is fixedly connected with crank, the turntable
Top is fixedly connected with clamp plate, and the clamp plate is located at the left side of the dynamic clamping plate, and the motor electrically connects with external power supply
It connects.
As a further solution of the present invention: opened on the left of the right side of the clamp plate and dynamic clamping plate be equipped with it is recessed
Slot, the groove are internally provided with rubber pad.
The right end of the strut is fixedly connected on stretching for the lifting cylinder as a further solution of the present invention,
Contracting end, the strut and lifting cylinder are mutually perpendicular to.
The dynamic clamping plate is slidably connected to the top of the turntable as a further solution of the present invention, described
Dynamic clamping plate and the clamp plate are symmetrically distributed in above the turntable.
Pulley, the quantity of the pulley are provided with below the pedestal as a further solution of the present invention,
It is three, three pulley distributions triangular in shape.
The turntable is horizontally disposed as a further solution of the present invention, and the lifting cylinder and turntable
It is mutually perpendicular to.
Compared with prior art, the utility model has the beneficial effects that when the utility model is used, first shake crank,
Shake and drive screw rod rotation, to drive dynamic clamping plate Slideslip to the right, then by sound level meter be placed on dynamic clamping plate and clamp plate it
Between, then reversely shake crank, crank is driven by screw rod and moves clamping plate Slideslip to the left, to clamp sound level meter, when into
When row detection, change the height of sound level meter by lifting cylinder, then motor driven gear rotates, and gear is driven by gear ring
Turntable rotation, to compare more existing positioning device, novel multi-functional positioning device for sound level meter energy to measurement angle is changed
It is stronger when enough easily positioning, and position to sound level meter, when changing position, it is not susceptible to loosen, thus
Improve the accuracy of detection.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of multi-functional positioning device for sound level meter；
Fig. 2 is a kind of structural schematic diagram of multi-functional positioning device for sound level meter intermediate station；
Fig. 3 is a kind of structural schematic diagram that multi-functional positioning device for sound level meter intermediate station is overlooked；
In figure: 1, pedestal；2, lifting cylinder；3, strut；4, motor；5, gear；6, gear ring；7, turntable；8, clamp plate；9,
Crank；10, clamping plate is moved；11, supporting plate；12, screw rod.
Specific embodiment
Please refer to Fig. 1~3, in the utility model embodiment, a kind of multi-functional positioning device for sound level meter, including pedestal 1, bottom
The top of seat 1 is equipped with lifting cylinder 2, and the upper end of lifting cylinder 2 is rotatably connected to turntable 7, and rack gear is arranged in the outside of turntable 7
6, the side of lifting cylinder 2 is fixedly connected with strut 3, and motor 4 is equipped on strut 3, and the output shaft transmission connection of motor 4 is with teeth
Wheel 5, the engagement of gear 5 are connected to gear ring 6, and the top of turntable 7 is fixedly connected with supporting plate 11, screw rod 12, spiral shell are bolted on supporting plate 11
12 left end of bar is rotatably connected to dynamic clamping plate 10, and the right end of screw rod 12 is fixedly connected with crank 9, and the top of turntable 7 is fixedly connected with
Clamp plate 8, clamp plate 8 are located at the left side of dynamic clamping plate 10, and motor 4 and external power supply are electrically connected, when the utility model is used,
Crank 9 is first shaken, crank 9 drives screw rod 12 to rotate, to drive dynamic clamping plate 10 Slideslip to the right, is then placed on sound level meter
Between dynamic clamping plate 10 and clamp plate 8, crank 9 is then reversely shaken, crank 9 drives dynamic clamping plate 10 to break away to the left by screw rod 12
It is dynamic, to clamp sound level meter, when being detected, changing the height of sound level meter by lifting cylinder 2, then motor 4
Band moving gear 5 rotates, and gear 5 drives turntable 7 to rotate by gear ring 6, to compare more existing positioning to measurement angle is changed
Device, novel multi-functional positioning device for sound level meter can easily position sound level meter, and position when is more firm
Gu being not susceptible to loosen when changing position, to improve the accuracy of detection.
The right side of clamp plate 8 and the left side of dynamic clamping plate 10, which are opened, to be all provided with fluted, and groove is internally provided with rubber pad, is such as schemed
Shown in 1, when in use, sound level meter is placed between dynamic clamping plate 10 and clamp plate 8, then reversely shakes crank 9, crank 9 is logical
It crosses screw rod 12 and drives dynamic clamping plate 10 Slideslip to the left, so that sound level meter is clamped, the left side on the right side of clamp plate 8 and dynamic clamping plate 10
It opens and is all provided with fluted, positioned to facilitate, and increase the right side of clamp plate 8 and the left side of dynamic clamping plate 10 and sound level meter
Contact area, so that positioning is more stable, while groove is internally provided with rubber pad, plays the effect of buffering, avoids damage to
Sound level meter, moreover it is possible to increase frictional force, improve stability.
The right end of strut 3 is fixedly connected on the telescopic end of lifting cylinder 2, and strut 3 and lifting cylinder 2 are mutually perpendicular to, such as Fig. 1
Shown, when in use, when being detected, changing the height of sound level meter by lifting cylinder 2, then motor 4 is with movable tooth
5 rotation of wheel, gear 5 drive turntable 7 to rotate by gear ring 6, thus to measurement angle is changed.
Dynamic clamping plate 10 is slidably connected to the top of turntable 7, and dynamic clamping plate 10 and clamp plate 8 are symmetrically distributed in 7 top of turntable, such as
Shown in Fig. 1, when in use, sound level meter is placed between dynamic clamping plate 10 and clamp plate 8, then reversely shakes crank 9, crank 9
Dynamic clamping plate 10 Slideslip to the left is driven by screw rod 12, so that sound level meter is clamped, the left side on the right side of clamp plate 8 and dynamic clamping plate 10
Side, which is opened, to be all provided with fluted, is positioned to facilitate.
The lower section of pedestal 1 is provided with pulley, and the quantity of pulley is three, three pulley distributions triangular in shape, such as Fig. 1 institute
Showing, the lower section of pedestal 1 is provided with pulley, thus facilitate the movement of device, and it is more convenient to use, improve mobility.
Turntable 7 is horizontally disposed, and lifting cylinder 2 and turntable 7 are mutually perpendicular to, as shown in Figure 1, turntable 7 be it is horizontally disposed,
And lifting cylinder 2 and turntable 7 are mutually perpendicular to, when being detected, changing the height of sound level meter by lifting cylinder 2, so
Motor 4 is rotated with moving gear 5 afterwards, and gear 5 drives turntable 7 to rotate by gear ring 6, thus to measurement angle is changed.
The working principle of the utility model is: crank 9 drives screw rod 12 when the utility model is used, first shaking crank 9
Then sound level meter is placed between dynamic clamping plate 10 and clamp plate 8, then by rotation to drive dynamic clamping plate 10 Slideslip to the right
Reversed to shake crank 9, crank 9 drives dynamic clamping plate 10 Slideslip to the left by screw rod 12, so that sound level meter is clamped, clamp plate 8
Right side and the left side of dynamic clamping plate 10 open and be all provided with fluted, positioned to facilitate, and increase the right side of clamp plate 8 and dynamic
The left side of clamping plate 10 and the contact area of sound level meter, so that positioning is more stable, while groove is internally provided with rubber pad, rises
To the effect of buffering, sound level meter is avoided damage to, moreover it is possible to increase frictional force, improve stability, when being detected, passing through lifting
Cylinder 2 changes the height of sound level meter, and then motor 4 is rotated with moving gear 5, gear 5 drives turntable 7 to rotate by gear ring 6, from
And to measurement angle is changed, more existing positioning device is compared, novel multi-functional positioning device for sound level meter can be convenient right
Sound level meter is positioned, and position when is stronger, when changing position, is not susceptible to loosen, to improve detection
Accuracy.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (6)
1. a kind of multi-functional positioning device for sound level meter, including pedestal (1), which is characterized in that be equipped with above the pedestal (1)
The upper end of lifting cylinder (2), the lifting cylinder (2) is rotatably connected to turntable (7), and the outside setting of the turntable (7) is with teeth
It encloses (6), the side of the lifting cylinder (2) is fixedly connected with strut (3), is equipped with motor (4) on the strut (3), described
The output shaft of motor (4) is sequentially connected with gear (5), and gear (5) engagement is connected to the gear ring (6), the turntable (7)
Top be fixedly connected with supporting plate (11), be bolted with screw rod (12) on the supporting plate (11), screw rod (12) left end rotation connects
It is connected to dynamic clamping plate (10), the right end of the screw rod (12) is fixedly connected with crank (9), is fixedly connected above the turntable (7)
Have clamp plate (8), the clamp plate (8) is located at the left side of the dynamic clamping plate (10), and the motor (4) electrically connects with external power supply
It connects.
2. a kind of multi-functional positioning device for sound level meter according to claim 1, which is characterized in that the clamp plate (8)
It is opened on the left of right side and dynamic clamping plate (10) and is all provided with fluted, the groove is internally provided with rubber pad.
3. a kind of multi-functional positioning device for sound level meter according to claim 1, which is characterized in that the right side of the strut (3)
End is fixedly connected on the telescopic end of the lifting cylinder (2), and the strut (3) and lifting cylinder (2) are mutually perpendicular to.
4. a kind of multi-functional positioning device for sound level meter according to claim 1, which is characterized in that the dynamic clamping plate (10) is sliding
The dynamic top for being connected to the turntable (7), the dynamic clamping plate (10) and the clamp plate (8) are symmetrically distributed in the turntable (7)
Top.
5. a kind of multi-functional positioning device for sound level meter according to claim 1, which is characterized in that under the pedestal (1)
Side is provided with pulley, and the quantity of the pulley is three, three pulley distributions triangular in shape.
6. a kind of multi-functional positioning device for sound level meter according to claim 1, which is characterized in that the turntable (7) is water
Flat setting, and the lifting cylinder (2) and turntable (7) are mutually perpendicular to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920306545.3U CN209689746U (en) | 2019-03-12 | 2019-03-12 | A kind of multi-functional positioning device for sound level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920306545.3U CN209689746U (en) | 2019-03-12 | 2019-03-12 | A kind of multi-functional positioning device for sound level meter |
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| Publication Number | Publication Date |
|---|---|
| CN209689746U true CN209689746U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920306545.3U Active CN209689746U (en) | 2019-03-12 | 2019-03-12 | A kind of multi-functional positioning device for sound level meter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366236A (en) * | 2020-04-17 | 2020-07-03 | 上海尚毅测控技术有限公司 | Automatic calibration device and method for rotary compact sound level meter |
| CN113959559A (en) * | 2021-11-08 | 2022-01-21 | 陕西省计量科学研究院 | Turntable of sound level meter calibrating device |
-
2019
- 2019-03-12 CN CN201920306545.3U patent/CN209689746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366236A (en) * | 2020-04-17 | 2020-07-03 | 上海尚毅测控技术有限公司 | Automatic calibration device and method for rotary compact sound level meter |
| CN113959559A (en) * | 2021-11-08 | 2022-01-21 | 陕西省计量科学研究院 | Turntable of sound level meter calibrating device |
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