CN112177183B - A portable noise resistant device for urban noise prevention and cure - Google Patents
A portable noise resistant device for urban noise prevention and cure Download PDFInfo
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- CN112177183B CN112177183B CN202011055957.8A CN202011055957A CN112177183B CN 112177183 B CN112177183 B CN 112177183B CN 202011055957 A CN202011055957 A CN 202011055957A CN 112177183 B CN112177183 B CN 112177183B
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- 230000002265 prevention Effects 0.000 title abstract description 5
- 239000011229 interlayer Substances 0.000 claims description 23
- 229920000742 Cotton Polymers 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 206010013954 Dysphoria Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B1/8227—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only screens ; Arrangements of sound-absorbing elements, e.g. baffles
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
- E04B2001/8254—Soundproof supporting of building elements, e.g. stairs, floor slabs or beams, on a structure
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a movable anti-noise device for urban noise control, which comprises a supporting main frame, wherein the inner side of the upper end of the supporting main frame is connected with a sliding supporting plate, the lower end surface of the supporting main frame is provided with a square groove, the square groove is connected with a sliding frame, one end of the sliding supporting plate and one end of the sliding frame are fixedly connected with a supporting seat, the two sides of the supporting seat are fixedly connected with mounting seats, the mounting seats are connected with supporting blocks through shafts, the two sides of the right end of the supporting main frame are fixedly connected with mounting seats, and the mounting seats on the supporting main frame are connected with the supporting blocks. This a portable anti-noise device for urban noise prevention and cure can be convenient for quick convenient anti-noise device remove to make anti-noise device conveniently shift the operation place, and can be convenient for install and dismantle anti-noise device, thereby make anti-noise device installation and the efficiency of dismantling improve, and can be convenient for improve anti-noise device's anti-noise effect.
Description
Technical Field
The invention relates to the technical field of noise control, in particular to a mobile anti-noise device for urban noise control.
Background
The noise is a sound which causes dysphoria or has too strong volume and harms human health, all the sounds which hinder normal rest, study and work of people and interfere with the sounds to be heard by people belong to noise, the sources of the noise are many, such as automobile sound on the street, overlarge sound of a neighbor television, machine sound of a building site and speech sound in a quiet library, which are noises, and the noise generated in the building site in a special city has great influence on the life of surrounding people, so that the noise generated in the building site needs to be subjected to anti-noise treatment to ensure the normal life of the surrounding people.
But the anti-noise device that present building site adopted is not convenient for carry out convenient removal, be not convenient for shift the anti-noise device when shifting the operation place, and the anti-noise device that present building site adopted is not convenient for install and dismantle, current anti-noise device passes through scaffold weldment with the acoustic celotex board usually or fixes to construction site subaerial through bolted connection, the installation is wasted time and energy, it is more difficult to dismantle, workman's intensity of labour has been increased, and the anti-noise device that present building site adopted adopts the acoustic celotex board of individual layer to antinoise usually, it is poor to adopt the anti-noise effect of individual layer acoustic celotex board, reach the anti-noise effect of ideal, consequently, need a portable anti-noise device for urban noise prevention and cure, in order to solve above-mentioned problem.
Disclosure of Invention
The invention aims to provide a mobile anti-noise device for preventing and treating urban noise, and aims to solve the problems that the existing anti-noise device is inconvenient to move conveniently, is difficult to mount and dismount and has poor anti-noise effect in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a movable anti-noise device for preventing and treating urban noise comprises a supporting main frame, wherein the inner side of the upper end of the supporting main frame is connected with a sliding support plate, the lower end face of the supporting main frame is provided with a square groove, the square groove is connected with a sliding frame, one end of the sliding support plate and one end of the sliding frame are fixedly connected with a support seat, the two sides of the support seat are fixedly connected with an installation seat, the installation seat is connected with a support block through a shaft, the two sides of the right end of the supporting main frame are fixedly connected with an installation seat, the installation seat on the supporting main frame is connected with a support block, the two sides of the upper end face of the support seat are fixedly connected with a rotating seat, the rotating seat is connected with a fixed frame, the middle parts of the two sides of the fixed frame are connected with a pulling handle, the pulling handle is provided with a spring, the front end face of the pulling handle is fixedly connected with a pressing plate, and the upper end and the lower end of the side face of the pressing plate are provided with locking columns, be connected with the lift axle on the terminal surface under the supporting seat is inside, and there is the fluted disc lift epaxial end through the key-type connection, fixedly connected with guide post on the supporting seat lower extreme face of lift axle both sides, and be connected with the lifter plate on the guide post to fixedly connected with universal wheel on the terminal surface both sides under the lifter plate, be connected with the pivot on the supporting seat outside side, and fixedly connected with lift adjust knob on the terminal surface of the outside one end of supporting seat of pivot to the pivot has the gear through the key-type connection on the terminal surface of the inside one end of supporting seat, be provided with the interlayer board in the fixed frame, and the interlayer board both sides are connected with inhales the sound cotton, inhale sound cotton one side and be provided with the acoustic celotex board, and fixedly connected with fixture block on the face of acoustic celotex board left and right sides to the locking post on fixture block and the fixed frame inside clamp plate is connected.
Preferably, the support main frame is provided with an 'H' -shaped sliding groove on the inner side of the upper end, the sliding support plate is in sliding connection with the 'H' -shaped sliding groove on the support main frame, and the sliding frame is in sliding connection with the lower end of the support main frame.
Preferably, the fixed frame is movably connected with the rotating seat at the upper end of the supporting seat through a shaft, and the maximum rotating angle of the fixed frame is 90 degrees.
Preferably, the shaft at the front end of the pulling handle is movably connected with two sides of the fixed frame, circular grooves are formed in two sides of the clamping block, and the circular grooves in the clamping block are matched with the diameter of the locking column on the pressing plate in size.
Preferably, the number of universal wheels is set to 4, and the universal wheels are symmetrically distributed on two sides of the lower end of the sound insulation board.
Preferably, the equidistance is provided with the rectangular channel on the interlayer board, and the interlayer board both sides bonding connection has the sound of inhaling cotton.
Preferably, the rotating shaft is connected with the side face of the supporting seat through a bearing, and the gear at the front end of the rotating shaft is meshed with the fluted disc and is connected with the fluted disc.
Preferably, the surface of the lifting shaft is provided with threads, the middle part of the lifting plate is provided with a threaded hole, and the lifting plate is connected with the lifting shaft through the threads.
Compared with the prior art, the invention has the beneficial effects that: this a portable anti-noise device for urban noise prevention and cure can be convenient for quick convenient anti-noise device remove to make anti-noise device conveniently shift the operation place, and can be convenient for install and dismantle anti-noise device, thereby make anti-noise device installation and the efficiency of dismantling improve, and can be convenient for improve anti-noise device's anti-noise effect:
1. the anti-noise device can be conveniently moved through the universal wheels, so that the anti-noise device can be conveniently transferred to an operation place;
2. the fixing frame is enabled to be in a vertical state with the supporting main frame by rotating the fixing frame, the sound insulation board is placed on the supporting main frame, the sound insulation board is pushed towards one end of the fixing frame, the locking columns on the pressing plates on two sides in the fixing frame are clamped and enter the circular groove on the side face of the clamping block on the left side, so that the sound insulation board is fixed, the lifting plate drives the universal wheels to contract towards the inner parts of the lower ends of the supporting main frame and the supporting seat by rotating the lifting adjusting knob, the supporting blocks on two sides of the supporting main frame and the supporting seat are enabled to be supported on the ground, the installation of the anti-noise device can be completed;
3. inhale the setting of the interlayer board at cotton middle part of sound through both sides for the noise is at first through outside acoustic celotex board enter into one side inhale the sound cotton on, inhale the air interlayer in the cotton transmission vibration to the interlayer board of sound through one side, the air in the air interlayer absorbs noise vibration energy, further inhale the sound cotton through the opposite side again and cushion the vibration, thereby can be convenient for improve antinoise device's antinoise effect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged view of point A of FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of a right-side cross-sectional structure of the present invention;
FIG. 5 is an enlarged view of point B of FIG. 4 according to the present invention;
FIG. 6 is a schematic bottom view of the present invention;
FIG. 7 is a schematic bottom perspective view of the present invention;
FIG. 8 is a schematic structural diagram of a mobile device according to the present invention.
In the figure: 1. supporting a main frame; 2. a lifting adjusting knob; 3. a support block; 4. a clamping block; 5. a sound insulating board; 6. a fixing frame; 7. pulling a handle; 8. a sliding support plate; 9. a sliding frame; 10. a supporting seat; 11. a universal wheel; 12. a interlayer plate; 13. a gear; 14. a rotating shaft; 15. a lifting plate; 16. a fluted disc; 17. a lifting shaft; 18. sound-absorbing cotton; 19. a spring; 20. a guide post; 21. a mounting seat; 22. a square groove; 23. a locking post; 24. pressing a plate; 25. and (6) rotating the seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a movable anti-noise device for preventing and treating urban noise comprises a main supporting frame 1, a lifting adjusting knob 2, a supporting block 3, a clamping block 4, a sound insulation board 5, a fixing frame 6, a pulling handle 7, a sliding supporting board 8, a sliding frame 9, a supporting seat 10, a universal wheel 11, a interlayer board 12, a gear 13, a rotating shaft 14, a lifting board 15, a fluted disc 16, a lifting shaft 17, sound absorption cotton 18, a spring 19, a guide post 20, a mounting seat 21, a square groove 22, a locking post 23, a pressing board 24 and a rotating seat 25, wherein the inner side of the upper end of the main supporting frame 1 is connected with the sliding supporting board 8, the lower end surface of the main supporting frame 1 is provided with the square groove 22, the square groove 22 is connected with the sliding frame 9, one ends of the sliding supporting board 8 and the sliding frame 9 are fixedly connected with the supporting seat 10, the two sides of the supporting seat 10 are fixedly connected with the mounting seat 21, and the supporting block 3 is connected with the mounting seat 21 through a shaft, the two sides of the right end of a supporting main frame 1 are fixedly connected with mounting seats 21, the mounting seats 21 on the supporting main frame 1 are connected with supporting blocks 3, the two sides of the upper end face of a supporting seat 10 are fixedly connected with rotating seats 25, the rotating seats 25 are connected with fixed frames 6, the middle parts of the two sides of the fixed frames 6 are connected with pulling handles 7, springs 19 are arranged on the pulling handles 7, a pressing plate 24 is fixedly connected on the front end face of the pulling handles 7, locking columns 23 are arranged on the upper and lower ends of the side face of the pressing plate 24, a lifting shaft 17 is connected on the lower end face of the inner part of the supporting seat 10, the upper end of the lifting shaft 17 is connected with a fluted disc 16 through a key, guide columns 20 are fixedly connected on the lower end face of the supporting seat 10 on the two sides of the lifting shaft 17, lifting plates 15 are connected on the guide columns 20, universal wheels 11 are fixedly connected on the two sides of the lower end face of the lifting plates 15, a rotating shaft 14 is connected on the outer side face of the supporting seat 10, and a lifting adjusting knob 2 is fixedly connected on the end face of the rotating shaft 14 on the outer end face of the supporting seat 10, and the end face of the rotating shaft 14 at one end inside the supporting seat 10 is connected with a gear 13 through a key, a interlayer plate 12 is arranged in the fixing frame 6, sound-absorbing cotton 18 is connected with two sides of the interlayer plate 12, a sound-insulating plate 5 is arranged on one side of the sound-absorbing cotton 18, clamping blocks 4 are fixedly connected with the left side face and the right side face of the sound-insulating plate 5, and the clamping blocks 4 are connected with locking columns 23 on a pressing plate 24 inside the fixing frame 6.
Support and be provided with "H" shape spout on the inside side of main frame 1 upper end, and slide support plate 8 with support "H" shape spout sliding connection on the main frame 1, and slide frame 9 with support main frame 1 lower extreme sliding connection, can be convenient for adjust the supporting length of acoustic celotex board 5 lower extreme through pulling or promotion supporting seat 10, thereby can be convenient for install the acoustic celotex board 5 of different length, and can be convenient for push completely to supporting inside the main frame 1 through with slide support plate 8 and slide frame 9, thereby be convenient for accomodate and transport support main frame 1.
The rotating seat 25 of the upper end of the fixed frame 6 and the supporting seat 10 is movably connected through a shaft, the maximum rotating angle of the fixed frame 6 is 90 degrees, the fixed frame 6 can rotate on the rotating seat 25 conveniently, the fixed frame 6 can be covered on the supporting main frame 1 to reduce the transportation volume of the fixed frame, and the fixed frame 6 and the sliding supporting plate 8 can be kept in a vertical state when the fixed frame 6 is unfolded.
The axle and the fixed frame 6 both sides swing joint of the 7 front ends of pulling handle, and be provided with circular recess on the 4 both sides of fixture block, and the circular recess on the fixture block 4 and the locking post 23 diameter size phase-match on the clamp plate 24, can be convenient for through the locking post 23 block on the clamp plate 24 in the circular recess on the fixture block 4, thereby fix acoustic celotex board 5 in fixed frame 6, and can be convenient for through pulling handle 7, make locking post 23 on the clamp plate 24 break away from with the circular recess on the fixture block 4, thereby be convenient for dismantle acoustic celotex board 5.
The quantity of universal wheel 11 sets up to 4, and 11 symmetric distribution of universal wheel in 5 lower extreme both sides of acoustic celotex board, can be convenient for remove supporting main frame 1 through 4 universal wheels 11 to the convenient operation place that shifts of anti-noise device of ability is convenient for.
The equidistant rectangular channel that is provided with on interlayer board 12, and interlayer board 12 both sides adhesive connection has the sound cotton 18 of inhaling, can be convenient for make the sound of inhaling of interlayer board 12 both sides produce the air interlayer between the cotton 18 of inhaling, the noise enters into one side at first through outermost acoustic celotex board 5 and inhales on the cotton 18 of sound, inhale the air interlayer of sound cotton 18 transmission vibration to interlayer board 12 on through one side, the intraformational air of air interlayer absorbs noise vibration energy, it further buffers the vibration through the cotton 18 of sound is inhaled to the opposite side again, thereby can be convenient for improve the antinoise effect of antinoise device.
The bearing is connected to pivot 14 and supporting seat 10 side, and the gear 13 and the fluted disc 16 intermeshing of 14 front ends of pivot are connected, can be convenient for make pivot 14 can rotate on supporting seat 10 side, and can be convenient for through rotating lift adjusting knob 2, make lift adjusting knob 2 drive pivot 14 and rotate, and drive fluted disc 16 through the gear 13 of 14 front ends of pivot and rotate, thereby drive lift axle 17 and rotate.
The lifting shaft 17 surface is provided with the screw thread, and the lifter plate 15 middle part is provided with the screw hole to lifter plate 15 is connected through the screw thread with lifting shaft 17, can be convenient for rotate through lifting shaft 17 and drive lifter plate 15 and reciprocate on guide post 20, and can be convenient for reciprocate through lifter plate 15 and drive the universal wheel 11 of its both sides and reciprocate, thereby make universal wheel 11 can stretch out or contract inside the lower extreme that supports main frame 1 and supporting seat 10.
The working principle is as follows: when the anti-noise device needs to be installed, firstly, the lifting adjusting knob 2 is rotated to enable the lifting adjusting knob 2 to drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the gear 13 at the front end of the rotating shaft to rotate, the gear 13 drives the fluted disc 16 to rotate so as to drive the lifting shaft 17 to rotate, the lifting shaft 17 drives the lifting plate 15 to slide downwards on the guide post 20 through threads, the universal wheels 11 on two sides of the lifting plate 15 extend out of the lower ends of the supporting main frame 1 and the supporting base 10, and therefore the anti-noise device can be conveniently moved through the universal wheels 11 to be moved to a construction operation position;
the sliding support plate 8 and the sliding frame 9 slide out of the supporting main frame 1 by pulling the support seat 10, the support seat 10 is pulled to a proper position according to the length of the sound insulation board 5, the fixing frame 6 and the supporting main frame 1 are kept in a vertical state by rotating the fixing frame 6, the sound insulation board 5 is placed on the supporting main frame 1, and the sound insulation board 5 is pushed to one end of the fixing frame 6, so that the locking columns 23 on the pressure plates 24 on two sides in the fixing frame 6 are clamped into the circular grooves on the side surfaces of the clamping blocks 4 on the left side, and the sound insulation board 5 is fixed;
the supporting block 3 on the mounting seat 21 is rotated to enable the supporting block 3 and the supporting main frame 1 to be perpendicular to each other, the lifting adjusting knob 2 is rotated reversely, the gear 13 is rotated to drive the fluted disc 16 to rotate reversely, so that the lifting shaft 17 is driven to rotate reversely, the lifting plate 15 drives the universal wheels 11 to contract towards the inner parts of the lower ends of the supporting main frame 1 and the supporting seat 10, and therefore the supporting blocks 3 on the two sides of the supporting main frame 1 and the supporting seat 10 are supported on the ground, the sound insulation plate 5 can be stably fixed on the ground, and the anti-noise device can be mounted;
when the anti-noise device needs to be disassembled, the shaft at the front end of the pulling handle 7 drives the pressing plate 24 to move backwards by pulling the pulling handle 7 at the two sides of the fixing frame 6, so that the locking column 23 on the pressing plate 24 is separated from the clamping block 4, and the sound insulation plate 5 can be disassembled by pulling towards the right side, wherein the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A mobile anti-noise device for urban noise control, comprising a supporting main frame (1), characterized in that: the inner side of the upper end of the supporting main frame (1) is connected with a sliding supporting plate (8), the lower end face of the supporting main frame (1) is provided with a square groove (22), the square groove (22) is connected with a sliding frame (9), the sliding supporting plate (8) and one end of the sliding frame (9) are fixedly connected with a supporting seat (10), two sides of the supporting seat (10) are fixedly connected with mounting seats (21), the mounting seats (21) are connected with supporting blocks (3) through shafts, two sides of the right end of the supporting main frame (1) are fixedly connected with the mounting seats (21), the mounting seats (21) on the supporting main frame (1) are connected with the supporting blocks (3), two sides of the upper end face of the supporting seat (10) are fixedly connected with rotating seats (25), the rotating seats (25) are connected with fixed frames (6), and the middle parts of two sides of the fixed frames (6) are connected with pulling handles (7), a spring (19) is arranged on the pull handle (7), a pressing plate (24) is fixedly connected to the front end face of the pull handle (7), locking columns (23) are arranged at the upper end and the lower end of the side face of the pressing plate (24), a lifting shaft (17) is connected to the inner lower end face of the supporting seat (10), a fluted disc (16) is connected to the upper end of the lifting shaft (17) through a key, guide columns (20) are fixedly connected to the lower end faces of the supporting seat (10) at the two sides of the lifting shaft (17), a lifting plate (15) is connected to the guide columns (20), universal wheels (11) are fixedly connected to the two sides of the lower end face of the lifting plate (15), a rotating shaft (14) is connected to the outer side face of the supporting seat (10), a lifting adjusting knob (2) is fixedly connected to the rotating shaft (14) on the end face of the outer end of the supporting seat (10), and a gear (13) is connected to the rotating shaft (14) through a key at the end face of the inner end of the supporting seat (10), be provided with interlayer board (12) in fixed frame (6), and interlayer board (12) both sides are connected with and inhale sound cotton (18), inhale sound cotton (18) one side and be provided with acoustic celotex board (5), and fixedly connected with fixture block (4) on acoustic celotex board (5) left and right sides face to fixture block (4) are connected with locking post (23) on fixed frame (6) inside clamp plate (24).
2. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: the support device is characterized in that an H-shaped sliding groove is formed in the inner side face of the upper end of the support main frame (1), the sliding support plate (8) is in sliding connection with the H-shaped sliding groove in the support main frame (1), and the sliding frame (9) is in sliding connection with the lower end of the support main frame (1).
3. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: the fixing frame (6) is movably connected with the rotating seat (25) at the upper end of the supporting seat (10) through a shaft, and the maximum rotating angle of the fixing frame (6) is 90 degrees.
4. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: the shaft at the front end of the pull handle (7) is movably connected with two sides of the fixed frame (6), circular grooves are formed in two sides of the fixture block (4), and the circular grooves in the fixture block (4) are matched with the diameter of the locking columns (23) in the pressure plate (24).
5. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: the number of universal wheels (11) is set to 4, and the universal wheels (11) are symmetrically distributed on two sides of the lower end of the sound insulation board (5).
6. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: rectangular grooves are formed in the interlayer plate (12) at equal intervals, and sound-absorbing cotton (18) is bonded to the two sides of the interlayer plate (12).
7. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: the rotating shaft (14) is connected with the side face of the supporting seat (10) through a bearing, and the gear (13) at the front end of the rotating shaft (14) is meshed with the fluted disc (16) and connected with the fluted disc.
8. A mobile anti-noise device for urban noise control according to claim 1, characterized in that: the surface of the lifting shaft (17) is provided with threads, the middle part of the lifting plate (15) is provided with a threaded hole, and the lifting plate (15) is connected with the lifting shaft (17) through the threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055957.8A CN112177183B (en) | 2020-09-30 | 2020-09-30 | A portable noise resistant device for urban noise prevention and cure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011055957.8A CN112177183B (en) | 2020-09-30 | 2020-09-30 | A portable noise resistant device for urban noise prevention and cure |
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| Publication Number | Publication Date |
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| CN112177183A CN112177183A (en) | 2021-01-05 |
| CN112177183B true CN112177183B (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN206753190U (en) * | 2017-04-05 | 2017-12-15 | 田智慧 | A kind of power construction automation vertical rod draw-gear |
| CN206712320U (en) * | 2017-05-05 | 2017-12-05 | 王静淑 | A kind of power equipment maintaining operating platform |
| CN206874047U (en) * | 2017-10-17 | 2018-01-12 | 安徽建诚国际经济技术合作有限公司 | A kind of novel environment friendly gear column of construction fast just |
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| CN112177183A (en) | 2021-01-05 |
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