CN112340602A - Composite layer noise reduction cover applied to gantry crane - Google Patents
Composite layer noise reduction cover applied to gantry crane Download PDFInfo
- Publication number
- CN112340602A CN112340602A CN202011182097.4A CN202011182097A CN112340602A CN 112340602 A CN112340602 A CN 112340602A CN 202011182097 A CN202011182097 A CN 202011182097A CN 112340602 A CN112340602 A CN 112340602A
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- noise reduction
- layer
- heat dissipation
- cover body
- layers
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- 239000002131 composite material Substances 0.000 title abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 66
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 238000013329 compounding Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a composite layer noise reduction cover applied to a gantry crane, which comprises: the cover body is formed by compounding at least three layers, at least one layer is a sound absorption sponge layer, and a plurality of slotted holes are formed in at least two side surfaces of the sound absorption sponge layer; the heat dissipation noise reduction layer is arranged on the outer side wall of the cover body and is provided with a plurality of slotted holes, and the slotted holes on one side face of the cover body and the slotted holes on the heat dissipation noise reduction layer on the side face have the same arrangement mode; the noise reduction taper pipe is fixed on the slotted hole at the bottom end of the noise reduction taper pipe, and the top end of the noise reduction taper pipe is not towards the inside of the cover body. According to the invention, the cover body, the heat dissipation noise reduction layer and the noise reduction taper pipe which are of a multilayer structure are arranged, so that the noise can be reduced to the maximum extent, the noise of the gantry crane is reduced by about 20 decibels, and the noise reduction device has better noise reduction performance. And simultaneously, slotted holes in the same mode are arranged on the side wall of the cover body and the heat dissipation and noise reduction layer, the temperature rise of the gantry crane is 1-4 ℃, and the temperature rise is in a normal temperature range.
Description
Technical Field
The invention relates to the technical field of noise processing, in particular to a composite layer noise reduction cover applied to a gantry crane.
Background
The gantry crane can emit large noise in the working process, physiological and psychological influences are easily caused to construction workers and the masses, and the motor part of the crane is a main source of crane noise, so that the motor part and the noise reduction treatment are imperative. The existing noise reduction device has small effect on the gantry crane, so that the noise reduction device capable of being applied to the gantry crane is urgently needed at present.
Disclosure of Invention
In view of the above technical problems, an object of the present invention is to provide a composite layer noise reduction cover applied to a gantry crane, which can reduce noise of the gantry crane, ensure normal living and living of workers and residents, and simultaneously enable the gantry crane to maintain normal working temperature without affecting its use.
The invention adopts the following technical scheme that:
a composite layer noise reduction cover applied to a gantry crane comprises:
the cover comprises a cover body, wherein the cover body is formed by compounding at least three layers, at least one layer is a sound absorption sponge layer, the inner layer and the outer layer are metal thin layers, and at least two side surfaces of the cover body are provided with a plurality of slotted holes;
the heat dissipation noise reduction layer is arranged on the outer side wall of the cover body, at most one heat dissipation noise reduction layer is connected to any outer side wall of the cover body, heat dissipation noise reduction chamber chambers are formed among the heat dissipation noise reduction layers and between the heat dissipation noise reduction layers and the outer side wall of the cover body, a plurality of slotted holes are formed in the heat dissipation noise reduction layers, and the arrangement mode of the slotted holes in one side face of the cover body is completely the same as that of the slotted holes in the heat dissipation noise reduction layers on the side face;
the noise reduction taper pipe is fixed at the bottom end of the noise reduction taper pipe on the slotted hole, the top end of the noise reduction taper pipe is not towards the inside of the cover body, the inner diameter of the bottom end of the noise reduction taper pipe is the same as that of the slotted hole, and the inner diameter of the top end of the noise reduction taper pipe is two fifths to one fifth of the inner diameter of the bottom end.
One embodiment of the invention is that the cover body is formed by compounding three layers, wherein the inner layer and the outer layer are metal thin layers, and the middle layer is a sound absorption sponge layer.
One embodiment of the present invention is that the inner wall of the cover body is provided with a plurality of grooves and protrusions.
In one embodiment of the present invention, the heat dissipation and noise reduction layer is formed by combining multiple layers, and at least one layer is a sound absorption sponge layer.
One embodiment of the present invention is that a plurality of grooves and protrusions are disposed on the inner sidewall of the heat dissipation and noise reduction layer.
In one embodiment of the present invention, the heat dissipation and noise reduction layer connected to any one of the sidewalls of the cover body forms at least two heat dissipation and noise reduction chamber chambers.
One embodiment of the invention is that the inner wall of the cover body, the surface of the heat dissipation and noise reduction layer and the inner wall of the noise reduction taper pipe are rough surfaces.
The invention has the beneficial effects that:
the invention can reduce the noise to the utmost extent by arranging the cover body with a multilayer structure, the heat dissipation and noise reduction layer and the noise reduction taper pipe: the sound absorption sponge layer is arranged in the cover body and can absorb a part of noise; after the sound waves enter the heat dissipation noise reduction layer through the slotted holes, part of sound waves can be weakened; the inverted-horn-shaped noise reduction conical tube can reduce partial sound waves, so that the noise of the gantry crane is reduced by about 20 decibels, and the noise reduction conical tube has better noise reduction performance. Meanwhile, the slotted holes in the same mode are arranged on the side wall of the cover body and the heat dissipation noise reduction layer, so that outside cold air can more easily enter the cover body, and the temperature in the cover body is increased to 1-4 ℃ in comparison with a portal crane without the noise reduction cover, and is within a normal temperature range.
Drawings
FIG. 1 is a schematic view of a split structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the present invention with the noise reduction cone removed;
FIG. 4 is a schematic structural diagram of a noise reduction cone according to the present invention;
FIG. 5 is a schematic side plate structure of the cover body and the heat dissipation noise reduction layer according to the present invention;
in the figure, 1 cover body, 2 layers of making an uproar fall in the heat dissipation, 3 taper pipes of making an uproar fall, 4 slotted holes, 5 inhale the sound sponge layer, 6 metal sheets, 7 recesses, 8 archs.
Detailed Description
The technical solutions of the present invention will be described in detail below in order to clearly understand the technical features, objects, and advantages of the present invention, but the present invention is not limited to the practical scope of the present invention.
Example (A)
A composite layer noise reduction cover applied to a gantry crane comprises:
the cover comprises a cover body 1, wherein the cover body 1 is formed by compounding at least three layers, at least one layer is a sound absorption sponge layer 5, the inner layer and the outer layer are both metal thin layers 3, and at least two side surfaces of the cover body 1 are provided with a plurality of slotted holes 4;
specifically, cover body 1 is hollow cuboid structure, and only has a bottom surface, and each side and the bottom surface of cover body 1 are three-layer composite layer structure: inside and outside two-layer outer metal thin layer 6, intermediate level are for inhaling sound sponge layer 5, simultaneously, and the inner wall unevenness of cover body 1 is exactly be equipped with a plurality of recesses 7 and arch 8 specifically, and the inner wall surface of cover body 1 is the rough surface simultaneously, and such design can absorb, attenuate the sound wave as far as. The slotted holes 4 are arranged on at least two side surfaces of the cover body 1, the arrangement modes of the slotted holes 4 on the two side surfaces can be the same or different, the inner diameter of each slotted hole 4 is one tenth to one fifth of the length of the short side of the cover body 1, and the slotted holes 4 have the main function of enabling heat to be radiated outwards and avoiding the heat from accumulating inside the cover body 1 to influence the normal work of a crane, particularly a motor; at the same time, the slot 4 also enables the sound wave to be transmitted outward, because the sound wave is also a kind of energy, if it is completely attenuated in the cover body 1 and not transmitted out, the temperature in the cover body 1 is easily increased sharply. The number of the slotted holes 4 is 5-20, which is determined according to the proportion of the inner diameter of the slotted hole 4 to the length of the short side of the cover body 1.
In the embodiment, the inner layer and the outer layer of the side surface and the bottom surface of the cover body 1 are made of aluminum thin plates, the thickness is 6mm, and the thickness of the sound absorption sponge layer 5 in the middle layer is 10mm, so that sound waves can be well absorbed by the design; the two opposite side surfaces of the cover body 1 are provided with slotted holes 4, the sizes and the arrangement modes of the slotted holes 4 on the two side surfaces are the same, the inner diameter of each slotted hole 4 is one sixth of the length of the short side surface of the cover body 1, and the number of the slotted holes 4 is 5.
It will be appreciated by those skilled in the art that the sound-absorbing sponge layer 5 in the present embodiment may be replaced with sound-absorbing materials commonly used in the art, such as polyester foam, sound-absorbing plant fibers, etc.
The heat dissipation noise reduction layer 2 is arranged on the outer side wall of the cover body 1, any outer side wall of the cover body 1 is connected with at most one heat dissipation noise reduction layer 2, heat dissipation noise reduction chambers are formed among the heat dissipation noise reduction layers 2, the heat dissipation noise reduction layers 2 and the outer side wall of the cover body 1, a plurality of slotted holes 4 are formed in the heat dissipation noise reduction layers 2, and the arrangement mode of the slotted holes 4 in one side face of the cover body 1 is completely the same as that of the slotted holes 4 in the heat dissipation noise reduction layers 2 arranged on the side face;
specifically, the heat dissipation noise reduction layer 2 is a hollow cuboid with only one bottom surface, the bottom surface of the heat dissipation noise reduction layer is completely the same as the shape and size of one end of the cover body 1 with the slotted hole 4, the end without the bottom surface of the heat dissipation noise reduction layer is fixedly connected with one end of the cover body 1 with the slotted hole 4, meanwhile, if a plurality of heat dissipation noise reduction layers 2 are arranged, the rest heat dissipation noise reduction layers 2 are connected with the heat dissipation noise reduction layer 2 connected with the cover body 1, and cavities between the heat dissipation noise reduction layers 2 and the cover body 1 and between the heat dissipation noise reduction layers 2 form a heat dissipation noise reduction chamber; the heat dissipation noise reduction layer 2 can be made by conventional hard material, also can be made by the compound sound absorbing material of multilayer, because most sound waves are absorbed in the cover body 1, the decay, the function of the heat dissipation noise reduction layer 2 is for making an uproar and have radiating function concurrently, consequently, no matter is the heat dissipation noise reduction layer 2 that the heat dissipation noise reduction layer made or the compound sound absorbing material of multilayer made to conventional hard material, the heat dissipation noise reduction layer 2 inner wall all is provided with a plurality of recesses 7 and arch 8, and the surface of the inner wall of the heat dissipation noise reduction layer 2 and outer wall is the mat coat.
In this embodiment, the one end that cover body 1 was equipped with slotted hole 4 all is provided with 2 heat dissipation and falls the noise floor 2, has constituted 2 heat dissipation from this and has fallen the cavity of making an uproar, between cover body 1 and the heat dissipation fall the noise floor 2, adopt the viscose fixed between the heat dissipation falls the noise floor 2, also can carry out fixed connection through setting up buckle and screw thread, the heat dissipation falls the noise cavity and has following effect: when sound waves enter the heat dissipation and noise reduction cavity through the slotted hole 4, a part of the sound waves can be absorbed in the heat dissipation and noise reduction cavity, the rest part of the sound waves is transmitted into the next heat dissipation and noise reduction cavity through the slotted hole 4 again, the sound waves are attenuated again, and after the sound waves are finally transmitted out of the noise reduction cover, the rest sound waves have small energy and greatly weakened sound intensity; heat can enter the heat dissipation and noise reduction cavity through the slotted holes 4 to reduce the heat in the cover body 1, and meanwhile, external cold air can enter the heat dissipation and noise reduction cavity through the slotted holes 4.
The noise reduction taper pipe 3, the noise reduction taper pipe 3 bottom end is fixed on the slotted hole 4, the top end is not towards the cover body 1 inside, and the noise reduction taper pipe 3 bottom internal diameter is the same with the slotted hole 4 internal diameter, the top internal diameter is two fifths to one fifth of bottom internal diameter.
Specifically, the bottom internal diameter of the noise reduction taper pipe 3 is the same with the internal diameter of the slotted hole 4 on the cover body 1 and the heat dissipation noise reduction layer 2, the top of the noise reduction taper pipe 3 does not face the inside of the cover body 1, namely, relative to the cover body 1, the noise reduction taper pipe 3 is arranged in an inverted horn shape, and meanwhile, the inner wall surface of the noise reduction taper pipe 3 is a rough surface, so that the noise can be weakened to the maximum.
In this embodiment, the inner diameter of the top end of the noise reduction cone 3 is two fifths of the inner diameter of the bottom end.
When the noise reduction cover is applied to the portal crane, the noise of the portal crane can be reduced by 20 decibels, and the temperature is only increased by 1-4 ℃. The noise reduction device has a good noise reduction effect, and meanwhile, the normal work of the gantry crane is not influenced.
The present invention has been disclosed in the foregoing in terms of preferred embodiments, but it will be understood by those skilled in the art that these embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of the present invention. Further modifications of the invention should also be considered within the scope of the invention without departing from its principles.
Claims (7)
1. The utility model provides a be applied to compound layer noise reduction cover of gantry crane which characterized in that includes:
the cover comprises a cover body, wherein the cover body is formed by compounding at least three layers, at least one layer is a sound absorption sponge layer, the inner layer and the outer layer are metal thin layers, and at least two side surfaces of the cover body are provided with a plurality of slotted holes;
the heat dissipation noise reduction layer is arranged on the outer side wall of the cover body, at most one heat dissipation noise reduction layer is connected to any outer side wall of the cover body, heat dissipation noise reduction chamber chambers are formed among the heat dissipation noise reduction layers and between the heat dissipation noise reduction layers and the outer side wall of the cover body, a plurality of slotted holes are formed in the heat dissipation noise reduction layers, and the arrangement mode of the slotted holes in one side face of the cover body is completely the same as that of the slotted holes in the heat dissipation noise reduction layers on the side face;
the noise reduction taper pipe, the noise reduction taper pipe bottom mounting in on the slotted hole, the top all not towards inside the cover body, just the noise reduction taper pipe bottom internal diameter is the same with the slotted hole internal diameter, and the top internal diameter is two fifths to one fifth of bottom internal diameter.
2. The noise reduction cover according to claim 1, wherein the cover body is formed by compounding three layers, wherein the inner layer and the outer layer are metal thin layers, and the middle layer is a sound absorption sponge layer.
3. The noise reduction shroud according to claim 1, wherein said shroud body inner wall is provided with a plurality of grooves and protrusions.
4. The noise reduction cover of claim 1, wherein the heat dissipation and noise reduction layer is formed by compounding a plurality of layers, and at least one layer is a sound absorption sponge layer.
5. The noise reduction cover according to claim 1, wherein the inner sidewall of the heat dissipation and noise reduction layer is provided with a plurality of grooves and protrusions.
6. The noise reduction shroud according to claim 1, wherein the heat dissipation and noise reduction layer attached to either shroud body sidewall forms at least two heat dissipation and noise reduction chamber chambers.
7. The noise reduction shroud according to any one of claims 1 to 6, wherein the shroud body inner wall, the heat dissipation and noise reduction layer surface, and the noise reduction cone inner wall are all rough surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182097.4A CN112340602B (en) | 2020-10-29 | 2020-10-29 | Composite layer noise reduction cover applied to gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011182097.4A CN112340602B (en) | 2020-10-29 | 2020-10-29 | Composite layer noise reduction cover applied to gantry crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112340602A true CN112340602A (en) | 2021-02-09 |
| CN112340602B CN112340602B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011182097.4A Active CN112340602B (en) | 2020-10-29 | 2020-10-29 | Composite layer noise reduction cover applied to gantry crane |
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| Country | Link |
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| CN (1) | CN112340602B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219336Y (en) * | 1995-05-19 | 1996-02-07 | 王弘仁 | Acoustic obsorbing celotex board |
| CN102465745A (en) * | 2010-11-10 | 2012-05-23 | 无锡市胡埭兴宏气源净化设备厂 | Silencer |
| CN204545454U (en) * | 2015-03-04 | 2015-08-12 | 浙江一机机床制造有限公司 | High-efficiency and precision numerically controlled lathe |
| CN207246372U (en) * | 2017-08-26 | 2018-04-17 | 天津市宏达铸造厂 | A kind of gear reducer noise reduction shell |
| CN208546362U (en) * | 2018-05-18 | 2019-02-26 | 珠海六和节能投资有限公司 | A kind of dedicated diffusion Taper Pipe muffler of fan of dust remover |
| WO2019138969A1 (en) * | 2018-01-10 | 2019-07-18 | 富士フイルム株式会社 | Sound-proofing box |
-
2020
- 2020-10-29 CN CN202011182097.4A patent/CN112340602B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219336Y (en) * | 1995-05-19 | 1996-02-07 | 王弘仁 | Acoustic obsorbing celotex board |
| CN102465745A (en) * | 2010-11-10 | 2012-05-23 | 无锡市胡埭兴宏气源净化设备厂 | Silencer |
| CN204545454U (en) * | 2015-03-04 | 2015-08-12 | 浙江一机机床制造有限公司 | High-efficiency and precision numerically controlled lathe |
| CN207246372U (en) * | 2017-08-26 | 2018-04-17 | 天津市宏达铸造厂 | A kind of gear reducer noise reduction shell |
| WO2019138969A1 (en) * | 2018-01-10 | 2019-07-18 | 富士フイルム株式会社 | Sound-proofing box |
| CN208546362U (en) * | 2018-05-18 | 2019-02-26 | 珠海六和节能投资有限公司 | A kind of dedicated diffusion Taper Pipe muffler of fan of dust remover |
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| Publication number | Publication date |
|---|---|
| CN112340602B (en) | 2021-05-25 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: No. 10, Gaopeng Avenue, hi tech Zone, Chengdu, Sichuan 610000 Patentee after: CHENGDU WESTERN TAILI INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 610000 No. 111, Section 1, North 2nd Ring Road, Jinniu District, Chengdu, Sichuan Patentee before: Southwest Jiaotong University |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A composite layer noise reduction cover applied to gantry cranes Granted publication date: 20210525 Pledgee: Bohai Bank Co.,Ltd. Chengdu Branch Pledgor: CHENGDU WESTERN TAILI INTELLIGENT EQUIPMENT Co.,Ltd. Registration number: Y2024510000073 |