CN216280600U - Double-layer noise reduction type coupler protective cover - Google Patents
Double-layer noise reduction type coupler protective cover Download PDFInfo
- Publication number
- CN216280600U CN216280600U CN202122532562.9U CN202122532562U CN216280600U CN 216280600 U CN216280600 U CN 216280600U CN 202122532562 U CN202122532562 U CN 202122532562U CN 216280600 U CN216280600 U CN 216280600U
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- China
- Prior art keywords
- protective cover
- cover body
- noise reducing
- interlayer
- reducing coupling
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- 230000001681 protective effect Effects 0.000 title claims abstract description 47
- 230000009467 reduction Effects 0.000 title abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 36
- 230000008878 coupling Effects 0.000 claims abstract description 25
- 238000010168 coupling process Methods 0.000 claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 claims abstract description 25
- 239000011229 interlayer Substances 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 9
- 239000012774 insulation material Substances 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 7
- 239000002355 dual-layer Substances 0.000 claims 8
- 208000032370 Secondary transmission Diseases 0.000 abstract description 3
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 239000000806 elastomer Substances 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a double-layer noise reduction type coupler protective cover, which relates to the technical field of rotating machinery protection and comprises a protective cover body with openings on the front side and the rear side: the interlayer is arranged on the protective cover body and used for sound insulation; the fixed plate is arranged on two sides of the bottom end of the protective cover body and is flush with the bottom end of the protective cover body. The utility model can isolate the noise generated by the coupling connected with the motor or the reduction gearbox through the interlayer of the protective cover body, and the interlayer prevents the protective cover body from generating resonance to form secondary transmission of the noise. After the cover plate is opened, a skylight is formed above the protective cover body, so that enough space can be reserved, and the running state of the coupler during running can be observed. The uncovered at protection casing body both ends effectively prevents the pollution of granule to the shaft coupling among the operational environment, also can prevent that the broken risk of being thrown away wounded of strain appears in the elastomer behind the shaft coupling operating duration overlength.
Description
Technical Field
The utility model relates to the technical field of rotating machinery protection, in particular to a double-layer noise reduction type coupler protective cover.
Background
With the gradual enhancement of the safety production concept in the industrial industry, the protection application of the equipment is more and more extensive. The main shaft couplings such as the reciprocating pump, the motor, the fan, the gearbox and the like are in a high-speed running state for a long time, and the foreign body is not protected and is probably enclosed into the couplings, so that the hidden trouble of failure is caused. Therefore, the protective cover is used for a high-speed rotating device of the rotary power machine to play a role of safety isolation. The main design directions of a general protective cover are as follows: good sealing performance, higher universality, convenient assembly and disassembly and convenient observation and maintenance
In the process of implementing the utility model, the utility model people find that at least the following problems exist in the prior art: at present, the common coupling shield has achieved the main functions of protection and observation, but the significant disadvantages in the use process are the large noise of the equipment and the difficulty of maintenance. In the aspect of noise reduction, the existing coupler protective cover is not specially designed, and only the protective cover is used as a mode for cutting off a sound wave propagation path. The maintenance difficulties include two aspects: one is that the daily maintenance and operation of the coupling are inconvenient under the condition that the protective cover of the coupling is not disassembled, and the other is that the disassembly is difficult due to the fixing mode of the protective cover when the protective cover of the coupling needs to be disassembled.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the utility model aims to provide a protective cover which reduces noise and is easier to check the state of a coupling.
In order to achieve the above object, the present invention provides a double-layer noise reduction type coupler shield, comprising: both sides have open protection casing body around: the cover plate is hinged with the top surface of the protective cover body; the interlayer is arranged on the protective cover body and used for sound insulation; the fixed plate is arranged on two sides of the bottom end of the protective cover body and is flush with the bottom end of the protective cover body.
The double-layer noise reduction type coupler protective cover provided by the utility model can isolate noise generated by a coupler connected with a motor or a reduction gearbox through the protective cover body interlayer, and the interlayer is arranged to prevent the protective cover body from generating resonance to form secondary transmission of the noise. The uncovered at protection casing body both ends effectively prevents the pollution of granule to the shaft coupling among the operational environment, also can prevent that the broken risk of being thrown away wounded of strain appears in the elastomer behind the shaft coupling operating duration overlength. The fixed plate is convenient to use the bolt to fix with the mounting bracket.
Preferably, the outer wall of the interlayer is an outer-layer partition plate, the inner wall of the interlayer is an inner-layer partition plate, and the interlayer is filled with sound insulation materials.
Preferably, the sound insulation material is made of sponge.
Preferably, the spacing between the outer baffles and the inner baffles is equidistant.
Preferably, a plurality of interlayer blocks with the same thickness are arranged between the outer-layer partition plate and the inner-layer partition plate, and each interlayer block is fixed through a crosshead countersunk head screw and a nut.
Preferably, the fixing plate is L-shaped, and the bottom of the fixing plate is provided with a plurality of straight notches.
Preferably, a transition surface exists between the top surface and the side surface of the protective cover body, and the transition surface is a plane or a curved surface.
Preferably, one end of the cover plate is connected with the top surface of the protective cover body through a hinge, and a handle is arranged on one side, far away from the hinge, of the cover plate.
Preferably, the cover plate and the top surface of the shield body are fixed by a fastening device. .
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a double-layer noise reduction type coupler shield according to an embodiment of the present invention;
fig. 2 is a front view of a double-layer noise reduction type coupler shield according to an embodiment of the present invention;
fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a top view of a double-layer noise reduction type coupler shield according to an embodiment of the present invention.
Fig. 5 is a side view of a double-layer noise reduction type coupler shield according to an embodiment of the present invention.
Description of reference numerals: the outer-layer separator 1, the inner-layer separator 2, the cover plate 3, the interlayer 4, the handle 5, the fastening device 6, the fixing plate 7 and the interlayer block 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
Fig. 1 is a schematic structural diagram of a double-layer noise reduction type coupler shield according to an embodiment of the present invention. Referring to fig. 1, 4 and 5, the double-layer noise reduction type coupler shield comprises: both sides have open protection casing body around: the cover plate 3 is hinged with the top surface of the protective cover body; an interlayer 4 arranged on the protective cover body and used for sound insulation; and the fixed plates 7 are arranged on two sides of the bottom end of the protective cover body and are flush with the bottom end of the protective cover body.
In this embodiment, a coupling is used to connect the motor and the reducer. The speed reducer is connected with the plunger pump. The double-layer noise reduction type coupler protective cover provided by the embodiment of the utility model can isolate noise generated by a coupler connected with a motor or a reduction gearbox through the protective cover body interlayer, and the interlayer prevents the protective cover body from generating resonance to form secondary transmission of the noise. After the cover plate is opened, a skylight is formed above the protective cover body, so that enough space can be reserved, and the running state of the coupler during running can be observed. When the device is overhauled, the gear meshing or plunger operation state in the reduction gearbox can be checked by opening the skylight to the disc movable coupling. The uncovered at protection casing body both ends effectively prevents the pollution of granule to the shaft coupling among the operational environment, also can prevent that the broken risk of being thrown away wounded of strain appears in the elastomer behind the shaft coupling operating duration overlength. The fixed plate is convenient to use the bolt to fix with the mounting bracket.
In some embodiments, referring to fig. 2, the outer wall of the interlayer 4 is the outer layer separator 1, the inner wall of the interlayer 4 is the inner layer separator 2, and the interlayer 4 is filled with sound insulation material. By adopting the internal and external double-layer structure, the sound wave transmission can be effectively reduced, and the purpose of noise reduction is realized. The sound insulation material in the interlayer 4 can be one material or a plurality of different materials, and only the purpose of noise reduction is achieved.
As a possible realization, the sound insulation material is made of sponge.
In some embodiments, the spacing between the outer separator 1 and the inner separator 2 is equidistant. The distance between the outer layer partition board 1 and the inner layer partition board 2 is set according to the actual noise reduction requirement, and is not specifically specified here. Specifically, referring to fig. 3, a plurality of interlayer blocks 8 with the same thickness are installed between the outer-layer separator 1 and the inner-layer separator 2, and each interlayer block 8 is fixed by a crosshead countersunk head screw and a nut. The head of the countersunk head screw faces outwards and is flush with the outer-layer clapboard 1.
In some embodiments, the fixing plate 7 is L-shaped, and a material such as angle iron may be used. The bottom of the fixing plate 7 is provided with a plurality of straight notches. The setting of notch in a straight corner can make fixed plate and mounting bracket when carrying out fixed mounting, the adjustment of shifting of being convenient for, for machining error outflow allowance.
In some embodiments, there is a transition surface between the top surface and the side surface of the shield body, the transition surface being a flat surface or a curved surface. The installation that intermediate layer acoustic material can be optimized on the one hand to the transition face, and on the other hand also can avoid the injury that the edges and corners collision caused operating personnel.
As a possible implementation manner, one end of the cover plate 3 is connected with the top surface of the protective cover body through a hinge, and a handle 5 is arranged on one side of the cover plate 3 away from the hinge. The handle 5 is welded on the protective cover body, and can conveniently lift the cover plate 3.
In some embodiments, the cover plate 3 is fixed to the top surface of the shield body by fastening means 6. The fastening device 6 may be a latch or other fixing device, and the position of the fastening device on the top surface of the shield body is set according to actual requirements, which is not specifically limited herein.
As a possible realization, the cover plate 3 can also use a structure with a sandwich, in line with the sandwich structure on the shield body.
According to the double-layer noise reduction type coupler protective cover provided by the embodiment of the utility model, as the protective cover adopts a sandwich structure, the sealing property is good, and the acoustic wave can be effectively ensured to be gradually weakened to reflect only in the protective cover body without causing resonance of the outer-layer partition plate. The protection casing body stability is high, and the lower margin uses the bolt fastening, and the apron uses fastening structure to fix, and the apron can not be along with equipment operation violent vibration, has further reduced the noise.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a formula shaft coupling protection casing of making an uproar falls in bilayer which characterized in that includes:
both sides have open protection casing body around:
the cover plate (3) is hinged with the top surface of the protective cover body;
an interlayer (4) arranged on the protective cover body and used for sound insulation;
and the fixing plates (7) are arranged on two sides of the bottom end of the protective cover body and are flush with the bottom end of the protective cover body.
2. The dual layer noise reducing coupling shield of claim 1, wherein: the outer wall of intermediate layer (4) is outer baffle (1), the inner wall of intermediate layer (4) is inlayer baffle (2), it has sound insulation material to fill in intermediate layer (4).
3. The dual layer noise reducing coupling shield of claim 2, wherein: the sound insulation material is made of sponge.
4. The dual layer noise reducing coupling shield of claim 2, wherein: the distance between the outer layer partition board (1) and the inner layer partition board (2) is equal.
5. The dual layer noise reducing coupling shield of claim 4, wherein: outer baffle (1) with install the same intermediate layer piece (8) of a plurality of thickness between inlayer baffle (2), each intermediate layer piece (8) are fixed through cross head countersunk head screw and nut realization.
6. The dual layer noise reducing coupling shield of claim 1, wherein: the fixing plate (7) is L-shaped, and a plurality of straight notches are formed in the bottom of the fixing plate (7).
7. The dual layer noise reducing coupling shield of claim 1, wherein: there is the transition face between the top surface of protection casing body and the side, the transition face is plane or curved surface.
8. The dual layer noise reducing coupling shield of claim 7, wherein: one end of the cover plate (3) is connected with the top surface of the protective cover body through a hinge, and a handle (5) is arranged on one side, far away from the hinge, of the cover plate (3).
9. The dual layer noise reducing coupling shield of claim 8, wherein: the cover plate (3) and the top surface of the protective cover body are fixed through a fastening device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532562.9U CN216280600U (en) | 2021-10-20 | 2021-10-20 | Double-layer noise reduction type coupler protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532562.9U CN216280600U (en) | 2021-10-20 | 2021-10-20 | Double-layer noise reduction type coupler protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216280600U true CN216280600U (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122532562.9U Active CN216280600U (en) | 2021-10-20 | 2021-10-20 | Double-layer noise reduction type coupler protective cover |
Country Status (1)
| Country | Link |
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| CN (1) | CN216280600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110409A (en) * | 2021-10-20 | 2022-03-01 | 北京天玛智控科技股份有限公司 | Double-layer noise reduction type coupler protective cover |
-
2021
- 2021-10-20 CN CN202122532562.9U patent/CN216280600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114110409A (en) * | 2021-10-20 | 2022-03-01 | 北京天玛智控科技股份有限公司 | Double-layer noise reduction type coupler protective cover |
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