CN209689743U - A kind of noise measuring fixed frame - Google Patents
A kind of noise measuring fixed frame Download PDFInfo
- Publication number
- CN209689743U CN209689743U CN201822254558.9U CN201822254558U CN209689743U CN 209689743 U CN209689743 U CN 209689743U CN 201822254558 U CN201822254558 U CN 201822254558U CN 209689743 U CN209689743 U CN 209689743U
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- connecting cylinder
- fixed
- hole
- placement plate
- noise measuring
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Abstract
The utility model relates to a kind of noise measuring fixed frames, including column, the upper end of the column is equipped with circular groove, rotation is equipped with height-adjustable connecting cylinder in groove, connecting cylinder includes the connecting cylinder one of uncovered and the connecting cylinder two that is plugged in connecting cylinder one, connecting cylinder is fixed with rotating mechanism inside two upper ends, rotating mechanism includes motor, two top of connecting cylinder is fixed with placement plate, motor shaft end, which is put in, is fixed with gear in placement plate, two sides are respectively equipped with L shaped plate above placement plate, opposite sides is equipped with strip through-hole above placement plate, L shaped plate bottom is equipped with the sliding shoe matched with strip through-hole, the sliding shoe other end is equipped with sliding panel, sliding panel bottom is slidably matched with bottom in placement plate by T shape sliding rail, sliding panel side wall is fixed with the rack gear matched with gear, two rack gears are located at the opposite sides of gear.Advantage is the utility model compared with prior art: structurally reasonable, adjustable, the applicable a variety of various sizes of noise measuring instrument of height.
Description
Technical field
The utility model relates to noise measuring technical field, in particular to a kind of noise measuring fixed frame.
Background technique
Noise refers to the sound issued when sounding body does random vibration.Sound is generated by the vibration of object, with the shape of wave
Formula is propagated in certain medium.Caused by usually said noise pollution refers to artificially.It is all from the point of view of physiological point
It is the sound for interfering people's rest, study and work and generating interference to your sound to be listened, i.e., unwanted sound, system
Referred to as noise.When noise on human and ambient enviroment cause adverse effect, noise pollution is just formed.It is various since Industrial Revolution
The creation and use of mechanical equipment bring flourishing and progress to the mankind, but also produce simultaneously more and more and increasingly
Strong noise.Noise not only can cause to damage to hearing, moreover it is possible to a variety of carcinogenic fatal diseases be induced, also to people's lives work
It is interfered.The sleep of noise on human influences greatly, even if people, in sleep, the sense of hearing will also bear the stimulation of noise.Noise
Will lead to dreaminess, easily wake up with a start, sleep quality decline etc., influence of the unexpected noise to sleep is more prominent.Noise can interfere people
Talk, working and learning, it can be seen that, noise will disperse the attention of people, cause it is slow in reacting, be easy fatigue, work effect
Rate decline, error rate rise.
Therefore noise measuring instrument is needed to detect noise, so that counter-measure is found, but existing noise is examined
It is mostly hand-held portable for surveying instrument, but hand-held is unstable, and the friction between hand and noise measuring instrument can make detection
At interference, so that detection inaccuracy can not carry out height although there is also the brackets of noise measuring instrument on the market at present
Adjusting, be additionally useful for fixed noise measuring fixed plate be mostly it is fixed, i.e. a bracket just for a noise measuring instrument,
Applicability is low, also needs in addition to configure bracket to different noise measuring instrument, increases cost.
Utility model content
For above-mentioned deficiency in the prior art, the utility model provides a kind of noise measuring fixed frame, structure
Rationally, adjustable, the applicable a variety of various sizes of noise measuring instrument of height.
In order to reach above-mentioned purpose of utility model, the technical solution adopted in the utility model are as follows: a kind of noise measuring use is solid
Determine frame, including column, the upper end of the column is equipped with circular groove, and rotation is equipped with height-adjustable connecting cylinder in the groove,
The connecting cylinder includes the connecting cylinder one of uncovered and the connecting cylinder two that is plugged in connecting cylinder one, inside two upper end of connecting cylinder
It is fixed with rotating mechanism, the rotating mechanism includes motor, and two top of connecting cylinder is fixed with placement plate, the placement
Plate is hollow structure, and the motor shaft end upward and is put in placement plate vertically, and the motor shaft end is fixed with gear, described
Opposite sides is respectively equipped with the inverted L shaped plate being oppositely arranged above placement plate, opposite sides and vertical above the placement plate
It is equipped with strip through-hole in L shaped plate, the L shaped plate bottom center is fixed with the sliding shoe matched with strip through-hole, described
The sliding shoe other end is fixed with sliding panel, and the sliding panel bottom is slidably matched with bottom in placement plate by T shape sliding rail, institute
It states T shape sliding rail and is parallel to strip through-hole, the sliding panel side wall is fixed with the rack gear matched with gear, and the rack gear is parallel
In T shape sliding rail, two rack gears are located at the opposite sides of gear.
As improvement: circumferentially inner sidewall is equipped with C-shaped sliding slot to the bottom portion of groove, and the one periphery wall of connecting cylinder is solid
It is fixed to be equipped with the T-shaped slider matched with C-shaped sliding slot.
As improvement: groove is stretched out in one upper end of connecting cylinder and side wall is equipped with through-hole one, two side wall of connecting cylinder
At least three through-holes two matched with through-hole one are equipped with, fixing bolt is equipped between the through-hole one and through-hole two.
As improvement: the column bottom lateral wall is equipped with the snap-gauge for fixing supporting legs.
As improvement: the snap-gauge includes snap-gauge one and snap-gauge two, and the snap-gauge one and the reciprocal correspondence of snap-gauge two are fixed on
On column lateral wall, and relative tilt is arranged.
As improvement: the rotating mechanism further includes fixed plate, is mutually fixed above the fixed plate with motor.
Along the circumferential direction lateral wall is uniformly hingedly equipped with supporting leg below the column, described vertical above hinge joint
Column side wall, which is equipped with, is used for limited support leg limited block.
Advantage is the utility model compared with prior art: using the cooperation of through-hole one and through-hole two so that connecting cylinder one
Relative distance increase and decrease between connecting cylinder two, so that the relative altitude of placement plate increases and decreases, to realize the utility model
Whole height increase and decrease, the noise source of applicable different height, in addition, using the rotation of motor, band moving gear is rotated, from
And with carry-over bar it is opposite, move toward one another, it is various sizes of to facilitate to realize the increase and decrease of the distance between two L shaped plates
Noise measuring instrument.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of noise measuring fixed frame of the utility model；
Fig. 2 is a kind of overlooking structure diagram of noise measuring fixed frame placement plate of the utility model；
Fig. 3 is a kind of left view structural representation of noise measuring fixed frame placement plate of the utility model；
The appended drawing reference table of comparisons:
1- column, 2- supporting leg, 3- groove, 4-C shape sliding slot, 5- connecting cylinder one, 6-T shape sliding block, 7- through-hole one, 8- connection
Cylinder two, 9- through-hole two, 10- fixing bolt, 11- fixed plate, 12- motor, 13- placement plate, 14- gear, 15-L shape plate, 16- item
Shape through-hole, 17- sliding shoe, 18- sliding panel, 19-T shape sliding rail, 20- rack gear, 21- connecting cylinder, 22- snap-gauge, 23- rotating mechanism,
24- limited block.
Specific embodiment
Further illustrate specific embodiment of the present utility model with reference to the accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, a kind of noise measuring fixed frame, including column 1,1 upper end of column are equipped with circle
The groove 3 of shape, the interior rotation of the groove 3 are equipped with height-adjustable connecting cylinder 21, and the connecting cylinder 21 includes the connecting cylinder of uncovered
One 5 and the connecting cylinder 28 that is plugged in connecting cylinder 1, rotating mechanism 23, institute are fixed with inside 28 upper end of connecting cylinder
Stating rotating mechanism 23 includes motor 12, and 28 top of connecting cylinder is fixed with placement plate 13, and the placement plate 13 is hollow knot
Structure, 12 shaft end of motor upward and are put in placement plate 13 vertically, and 12 shaft end of motor is fixed with gear 14, described to put
Set 13 top opposite sides of plate and be respectively equipped with the inverted L shaped plate 15 being oppositely arranged, the 13 top opposite sides of placement plate and
It is equipped with strip through-hole 16 perpendicular to L shaped plate 15,15 bottom center of L shaped plate is fixed with to be matched with strip through-hole 16
Sliding shoe 17,17 other end of sliding shoe are fixed with sliding panel 18, bottom in 18 bottom of sliding panel and placement plate 13
It is slidably matched by T shape sliding rail 19, the T shape sliding rail 19 is parallel to strip through-hole 16, and 18 side wall of sliding panel is fixed with
The rack gear 20 matched with gear 14, the rack gear 20 are parallel to T shape sliding rail 19, and two rack gears 20 are located at gear 14
Opposite sides.
Circumferentially inner sidewall is equipped with C-shaped sliding slot 4 for 3 bottom of groove, and the one 5 periphery wall of connecting cylinder is fixed with
The T-shaped slider 6 matched with C-shaped sliding slot 4.
Groove 3 is stretched out in one 5 upper end of connecting cylinder and side wall is equipped with through-hole 1, and 28 side wall of connecting cylinder is equipped with
At least three through-holes 29 matched with through-hole 1 are equipped with fixing bolt 10 between the through-hole 1 and through-hole 29.
The 1 bottom outside wall of column is equipped with the snap-gauge 22 for fixing supporting legs.
The snap-gauge 22 includes snap-gauge one and snap-gauge two, and the snap-gauge one and the reciprocal correspondence of snap-gauge two are fixed on outside column 1
On side wall, and relative tilt is arranged.
The rotating mechanism 23 further includes fixed plate 11, and 11 top of fixed plate is fixed with 12 phase of motor.
Along the circumferential direction lateral wall is uniformly hingedly equipped with supporting leg 2 to 1 lower section of the column, above hinge joint described in
1 side wall of column, which is equipped with, is used for 2 limited block 24 of limited support leg.
The utility model in the specific implementation, in use, first moving toward one another the rack gear 20 of two sides, controls motor 12, band
14 turns of moving gear dynamic, thus the movement with carry-over bar 20, rack gear 20 is moved toward one another so that sliding panel 18 is sliding on T shape sliding rail 19
It is dynamic, so that sliding shoe 17 moves in strip through-hole 16, the distance between two L shaped plates 15 are ultimately increased, by noise measuring
Instrument is placed between the L shaped plate 15 of 13 top of placement plate, and control motor 12 inverts, and the distance between two L shaped plates 15 are reduced, thus
Noise measuring instrument is fixed, by being rotatablely connected cylinder 21, so that T-shaped slider 6 moves in c-type sliding slot 4, without falling off, together
When adjustment connecting cylinder 1 and connecting cylinder 28 between relative distance, so as to adjust the height of noise measuring instrument.
The foregoing is merely the preferred embodiment of the utility model patent, it is not intended to limit the utility model specially
Benefit, all made any modifications, equivalent replacements, and improvements etc. within the spirit and principle of the utility model patent should all include
Within the protection scope of the utility model patent.
Claims (7)
1. a kind of noise measuring fixed frame, including column (1), it is characterised in that: column (1) upper end is equipped with circular recessed
Slot (3), the interior rotation of the groove (3) are equipped with height-adjustable connecting cylinder (21), and the connecting cylinder (21) includes the connection of uncovered
One (5) of cylinder and the connecting cylinder two (8) that is plugged in connecting cylinder one (5) are fixed with rotation inside connecting cylinder two (8) upper end
Mechanism (23), the rotating mechanism (23) include motor (12), and connecting cylinder two (8) top is fixed with placement plate (13),
The placement plate (13) is hollow structure, and motor (12) shaft end upward and is put in placement plate (13), the motor vertically
(12) shaft end is fixed with gear (14), and opposite sides is respectively equipped with the inverted L being oppositely arranged above the placement plate (13)
Shape plate (15) opposite sides and is equipped with strip through-hole (16) perpendicular to L shaped plate (15) above the placement plate (13), the L shape
Plate (15) bottom center is fixed with the sliding shoe (17) matched with strip through-hole (16), sliding shoe (17) other end
It is fixed with sliding panel (18), sliding panel (18) bottom is matched with placement plate (13) interior bottom by T shape sliding rail (19) sliding
It closes, the T shape sliding rail (19) is parallel to strip through-hole (16), and sliding panel (18) side wall is fixed with to match with gear (14)
The rack gear (20) of conjunction, the rack gear (20) are parallel to T shape sliding rail (19), and two rack gears (20) are located at gear (14)
Opposite sides.
2. a kind of noise measuring fixed frame according to claim 1, it is characterised in that: groove (3) bottom is along circle
All inner sidewalls are equipped with C-shaped sliding slot (4), and connecting cylinder one (5) the periphery wall is fixed with the T matched with C-shaped sliding slot (4)
Shape sliding block (6).
3. a kind of noise measuring fixed frame according to claim 1, it is characterised in that: connecting cylinder one (5) upper end
It stretches out groove (3) and side wall is equipped with through-hole one (7), connecting cylinder two (8) side wall is equipped at least three and through-hole one (7)
The through-hole two (9) matched is equipped with fixing bolt (10) between the through-hole one (7) and through-hole two (9).
4. a kind of noise measuring fixed frame according to claim 1, it is characterised in that: column (1) bottom outside
Wall is equipped with the snap-gauge (22) for fixing supporting legs.
5. a kind of noise measuring fixed frame according to claim 4, it is characterised in that: the snap-gauge (22) includes snap-gauge
One and snap-gauge two, the snap-gauge one and the reciprocal correspondence of snap-gauge two are fixed on column (1) lateral wall, and relative tilt is arranged.
6. a kind of noise measuring fixed frame according to claim 1, it is characterised in that: the rotating mechanism (23) is also wrapped
It includes fixed plate (11), is mutually fixed above the fixed plate (11) with motor (12).
7. a kind of noise measuring fixed frame according to claim 1, it is characterised in that: along circle below the column (1)
Circumferential direction lateral wall is uniformly hingedly equipped with supporting leg (2), and the column (1) side wall above hinge joint is equipped with for limiting
Position supporting leg (2) limited block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254558.9U CN209689743U (en) | 2018-12-29 | 2018-12-29 | A kind of noise measuring fixed frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822254558.9U CN209689743U (en) | 2018-12-29 | 2018-12-29 | A kind of noise measuring fixed frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209689743U true CN209689743U (en) | 2019-11-26 |
Family
ID=68597665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822254558.9U Active CN209689743U (en) | 2018-12-29 | 2018-12-29 | A kind of noise measuring fixed frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209689743U (en) |
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2018
- 2018-12-29 CN CN201822254558.9U patent/CN209689743U/en active Active
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