CN104376841A - Denoising cover - Google Patents
Denoising cover Download PDFInfo
- Publication number
- CN104376841A CN104376841A CN201310354127.9A CN201310354127A CN104376841A CN 104376841 A CN104376841 A CN 104376841A CN 201310354127 A CN201310354127 A CN 201310354127A CN 104376841 A CN104376841 A CN 104376841A
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- noise reduction
- slippage
- reduction shroud
- shroud
- fixing
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Abstract
The invention discloses a denoising cover. The denoising cover comprises a support, a sliding groove, a fixed denoising cover body, a first sliding denoising cover body and a second sliding denoising cover body. The sliding groove is fixed to the support. One end of the fixed denoising cover body is fixed into the sliding groove. The first sliding denoising cover body and the second sliding denoising cover body are located on the left side and the right side of the fixed denoising cover body respectively. One end of the first sliding denoising cover body and one end of the second sliding denoising cover body are arranged in the sliding groove and can slide relative to the fixed denoising cover body. By the adoption of the sliding type denoising cover, noise generated due to keel production is controlled within the denoising cover and not directly emitted to an operation site, the problem of noise emission during keel production is solved, the noise can be greatly lowered, the damage of noise to workers is reduced, the degree of fatigue of the workers is reduced, the agility of the workers is improved, the production efficiency is improved, and potential safety hazards caused by noise are reduced.
Description
Technical field
The present invention relates to keel production technical field, particularly relate to a kind of noise reduction shroud.
Background technology
In lightgage steel joist production run, steel band is opened a book through uncoiler, enter former roll cold roll forming, obtain keel, the cutting knife that keel enter cut-out equipment cuts off, keel cut off under gravity, first fall on the inclined-plane of tail bracket, then are slipped on belt feeder, various noise can be produced in the process, staff is damaged.
Produce in current industry in the equipment of keel, there is no noise-reducing device, cut off the noise of keel generation and the impact noise etc. of punch press punching, be directly discharged into operation field.Therefore on-the-spot noise is very large, and the environment in independent factory building, noise can be more obvious.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of noise reduction shroud, can reduce the noise of keel production scene.
For solving the problems of the technologies described above, a kind of noise reduction shroud of the present invention, comprise: support, slippage slot, fixing noise reduction shroud, the first slippage noise reduction shroud and the second slippage noise reduction shroud, described slippage slot is fixing on the bracket, one end of described fixing noise reduction shroud is fixed in described slippage slot, described first slippage noise reduction shroud and the second slippage noise reduction shroud are respectively on left side and the right side of described fixing noise reduction shroud, and an end of described first slippage noise reduction shroud and the second slippage noise reduction shroud can being arranged in described slippage slot of sliding of relative described fixing noise reduction shroud.
Further, described fixing noise reduction shroud comprises occlusion part before fixed angle plate and fixed cover, and an end of described fixed angle plate is fixed in described slippage slot, and the other end is connected with occlusion part before described fixed cover.
Further, described first slippage noise reduction shroud and the second slippage noise reduction shroud comprise occlusion part before slippage gusset and slippage cover, one end of described slippage gusset can relatively described fixing noise reduction shroud slide be arranged in described slippage slot, the other end is connected with occlusion part before described slippage cover.
Further, before described fixed cover, before occlusion part and slippage cover, occlusion part is baffle plate, unfixing with the described slippage slot end of the fixed angle plate of the folding and described fixing noise reduction shroud of baffle plate of described fixing noise reduction shroud is connected, the end be not arranged in described slippage slot of the slippage gusset of the folding and described first slippage noise reduction shroud of baffle plate of described first slippage noise reduction shroud is connected, and the end be not arranged in described slippage slot of the slippage gusset of the folding and described second slippage noise reduction shroud of baffle plate of described second slippage noise reduction shroud is connected.
Further, the slippage gusset of described first slippage noise reduction shroud and the second slippage noise reduction shroud is in the outside of the fixed angle plate of described fixing noise reduction shroud or inner side, in slippage to partly overlap with the fixed angle plate of described fixing noise reduction shroud during open position or not overlapping, when slippage is to recovery position, to partly overlap with the fixed angle plate of described fixing noise reduction shroud or all overlapping; Correspondingly, the outside of occlusion part occlusion part before the fixed cover of described fixing noise reduction shroud or inner side before the slippage cover of described first slippage noise reduction shroud and the second slippage noise reduction shroud, in slippage to partly overlap with occlusion part before the fixed cover of described fixing noise reduction shroud during open position or not overlapping, when slippage is to recovery position, to partly overlap with occlusion part before the fixed cover of described fixing noise reduction shroud or all overlapping.
Further, on the position relative with the second slippage noise reduction shroud with described first slippage noise reduction shroud of the inwall of described slippage slot and/or on the position relative with the second slippage noise reduction shroud with described first slippage noise reduction shroud of the fixed angle plate of described fixing noise reduction shroud, ball carriage is provided with; Or, on the described slippage slot relative sidewall of described first slippage noise reduction shroud with the slippage gusset of the second slippage noise reduction shroud and/or on the sidewall relative with the fixed angle plate of described fixing noise reduction shroud of the slippage gusset of described first slippage noise reduction shroud and the second slippage noise reduction shroud, be provided with ball carriage.
Further, this noise reduction shroud also comprises side occlusion part, and the outer face of described first slippage noise reduction shroud and the second slippage noise reduction shroud offers mounting hole, and described side occlusion part is arranged on described mounting hole.
Further, the slippage gusset of described first slippage noise reduction shroud and the second slippage noise reduction shroud is respectively arranged with locating piece, described slippage slot is provided with the first end cap that the locating piece stopped on described first slippage noise reduction shroud is located described first slippage noise reduction shroud, and stops the second end cap that the locating piece on described second slippage noise reduction shroud is located described second slippage noise reduction shroud.
Further, described support comprises noise reduction shroud column, noise reduction shroud supporting leg and noise reduction shroud supporting leg pulley, one end and the described slippage slot of described noise reduction shroud column are fixed, and the other end is connected with described noise reduction shroud supporting leg, and described noise reduction shroud supporting leg pulley is arranged on described noise reduction shroud supporting leg.
Further, this noise reduction shroud also comprises the first slippage noise reduction shroud locking mechanism and the second slippage noise reduction shroud locking mechanism, described first slippage noise reduction shroud locking mechanism is arranged on the position outside the bottom of described slippage slot and the first end cap, and described second slippage noise reduction shroud is arranged on the position outside the bottom of described slippage slot and described second end cap.
In sum, the invention provides a kind of noise reduction shroud of slidingtype, by producing the Noise measarement of keel generation in noise reduction shroud, not directly being discharged into operation field, solving the problem of noise emission in keel production run, noise can be made significantly to reduce, reduce the injury of noise to employee, decrease the degree of fatigue of employee, improve the acuteness of employee, improve production efficiency, reduce the potential safety hazard that noise produces.
Accompanying drawing explanation
Fig. 1 is the front view of the noise reduction shroud of the application;
Fig. 2 is the right view of the noise reduction shroud of the application;
Fig. 3 is the partial enlarged view of the slippage slot of the noise reduction shroud of the application;
Fig. 4 is the vertical view of the noise reduction shroud of the application;
Fig. 5 is the A direction view of the noise reduction shroud of the application;
Fig. 6 is that the B-B of the noise reduction shroud of the application is to cut-open view;
Fig. 7 is the general structure schematic diagram of keel production system;
Fig. 8 ~ Fig. 9 is the general structure schematic diagram of the keel production system of the noise reduction shroud using the application.
Embodiment
Analyze noise Producing reason in keel production run, comprise cut-out impact noise, the punching impact noise of punch press generation and the noise etc. of rolling keel generation of producing keel, and noise echogenicity reflection on wall roof, workshop, the noise caused superposition.The equipment producing noise covers by the noise reduction shroud of the application, to greatest extent by Noise measarement in noise reduction shroud, thus reduce the noise of factory when producing keel, improve the environment of plant.
For making the object of the application, technical scheme and advantage clearly understand, hereinafter will by reference to the accompanying drawings the embodiment of the application be described in detail.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
As shown in Fig. 1 ~ Fig. 6, the noise reduction shroud of present embodiment comprises support 1, slippage slot 2, fixing noise reduction shroud 3, first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5, slippage slot 2 is fixed on support 1, one end of fixing noise reduction shroud 3 is fixed in slippage slot 2, first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 are respectively on left side and the right side of fixing noise reduction shroud 3, and the first slippage noise reduction shroud 4 and an end of the second slippage noise reduction shroud 5 can fix being arranged in slippage slot 2 of noise reduction shroud 3 slip relatively.First slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 can slide along slippage slot 2, expand the pretective acreage of noise reduction shroud.
Fixing noise reduction shroud 3 comprises occlusion part 32 before fixed angle plate 31 and fixed cover, and an end of fixed angle plate 31 is fixed in slippage slot 2, and the other end is connected with occlusion part before fixed cover 32; First slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 include occlusion part 42 before slippage gusset 41 and slippage cover, and what an end of slippage gusset 41 can fix that noise reduction shroud 3 slides relatively is arranged in slippage slot 2, and the other end is connected with occlusion part 42 before slippage cover.
Before fixed cover, before occlusion part 32 and slippage cover, occlusion part 42 can adopt baffle plate, and the baffle plate fixed angle plate 31 that is folding and fixing noise reduction shroud 3 of fixing noise reduction shroud 3 is connected, the position of connection be fixed angle plate 31 not with the end that slippage slot 2 is fixing.The baffle plate of the first slippage noise reduction shroud 4 is folding to be connected with the slippage gusset 41 of the first slippage noise reduction shroud 4, and the position of connection is the end be not arranged in slippage slot 2 of the slippage gusset 41 of the first slippage noise reduction shroud 4.The baffle plate of the second slippage noise reduction shroud 5 is folding to be connected with the slippage gusset 41 of the second slippage noise reduction shroud 5, and the position of connection is the end be not arranged in slippage slot 2 of the slippage gusset 41 of the second slippage noise reduction shroud 5.
Baffle plate is connected with gusset by hinge 14, overturn along hinge 14 and realize folding, before the fixed angle plate 31 and fixed cover of fixing noise reduction shroud 3 between occlusion part 32, before the slippage gusset 41 of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 and slippage cover between occlusion part 42, all can arrange and help cylinder 6 to assist to open.
Baffle plate also can be pulled down, and installs soft curtain, can be used on the tail bracket of cut-out equipment back by adopting the noise reduction shroud of soft curtain, both can enclosure space, can ensure that again the keel after cutting off transfer out from soft curtain, and what ensure to produce is continuous.
First slippage noise reduction shroud 4 fix noise reduction shroud 3 relative to the slippage gusset 41 of the second slippage noise reduction shroud 5 is in the outside of the fixed angle plate 31 of fixing noise reduction shroud 3 or inner side, in the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 slippage to partly overlap with the fixed angle plate 31 of fixing noise reduction shroud 3 during open position or not overlapping, when the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 slippage are to recovery position, to partly overlap with the fixed angle plate 31 of fixing noise reduction shroud 3 or all overlapping; Correspondingly, the outside of occlusion part 42 occlusion part 32 before the fixed cover of fixing noise reduction shroud 3 or inner side before the slippage cover of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5, in the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 slippage to partly overlap with occlusion part 32 before the fixed cover of fixing noise reduction shroud 3 during open position or not overlapping, when the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 slippage are to recovery position, to partly overlap with occlusion part 32 before the fixed cover of fixing noise reduction shroud 3 or all overlapping.
Open position be the first slippage noise reduction shroud 4 with the second slippage noise reduction shroud 5 respectively relative fix noise reduction shroud 3 reach maximum position respectively to left and right slippage dorsad time, the position at the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 place; Reclaim position be the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 respectively towards the slippage of fixing noise reduction shroud 3, when slippage is to final position, the position at the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 place.
In present embodiment, the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 are lived apart in the left and right sides of fixing noise reduction shroud 3, that layering is arranged with fixing noise reduction shroud 3, as mentioned above, first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 can at the skins of fixing noise reduction shroud 3, also can at the internal layer of fixing noise reduction shroud 3.
In order to more be convenient to the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 along slippage slot 2 slippage, on the position directly relative with the second slippage noise reduction shroud 5 with the first slippage noise reduction shroud 4 of the inwall of slippage slot 2 and/or on the position directly relative with the second slippage noise reduction shroud 5 with the first slippage noise reduction shroud 4 of the fixed angle plate 31 of fixing noise reduction shroud 3, be provided with ball carriage 7; Or, ball carriage 7 is provided with on the sidewall directly relative with slippage slot 2 of the first slippage noise reduction shroud 4 with the slippage gusset 41 of the second slippage noise reduction shroud 5 and/or on the sidewall directly relative with the fixed angle plate 31 of fixing noise reduction shroud 3 of the slippage gusset 41 of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5, ball carriage 7 is set, is convenient to mobile first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5.
Noise reduction shroud also comprises side occlusion part (for ease of showing inner structure not shown side occlusion part), and the outer face of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 offers mounting hole 8, and side occlusion part is arranged on mounting hole 8.The mounting hole 8 that the end face of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 is offered can be multiple screw hole, and side occlusion part can adopt the materials such as the transparent covering of damping or soft curtain, is used in the positions such as steel band entrance door.
The slippage gusset 41 of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 is also respectively arranged with locating piece 9, slippage slot 2 is provided with the first end cap 21 that the locating piece 9 on stop first slippage noise reduction shroud 4 is located the first slippage noise reduction shroud 4, and stop the second end cap 22 that the locating piece 9 on the second slippage noise reduction shroud 5 is located the second slippage noise reduction shroud 5, first end cap 21 and the second end cap 22 are arranged on the two ends of slippage slot 2, can prevent the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 from skidding off from slippage slot 2.
Simultaneously, after first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 complete location, the the first slippage noise reduction shroud locking mechanism installed bottom slippage slot 2, outside the first end cap 21 and the second end cap 22 and the second slippage noise reduction shroud locking mechanism, pin the position of the first slippage noise reduction shroud 4 and the second slippage noise reduction shroud 5 respectively.
Support 1 comprises noise reduction shroud column 11, noise reduction shroud supporting leg 12 and noise reduction shroud supporting leg pulley 13, and one end and the slippage slot 2 of noise reduction shroud column 11 are fixed, and the other end is connected with noise reduction shroud supporting leg 12, and noise reduction shroud supporting leg pulley 13 is arranged on noise reduction shroud supporting leg 12.The noise reduction shroud of the application can movement fast by noise reduction shroud supporting leg roller 13, and noise reduction shroud supporting leg 12 can the bottom of direct quick insertion equipment lathe bed leg, thus realizes Fast Installation and move.In addition support locking device is set before and after noise reduction shroud supporting leg 12, so that behind noise reduction shroud location, position does not change.
The noise reduction shroud of the application also comprises gusset 10, and gusset 10 is connected with slippage slot 2 and support 1 respectively, strengthens the connection between slippage slot 2 and support 1.
The noise reduction shroud of the application can adopt the material such as channel-section steel, angle steel to weld, and is placed on after equipment in use by noise reduction shroud, and noise reduction shroud supporting leg 12 inserts below equipment lathe bed leg after equipment, locked location.First slippage noise reduction shroud 4, second slippage cover 5 of noise reduction shroud and fixing noise reduction shroud 3 by equipment from front, back and top cover, from the side equipment is covered at side occlusion parts such as the transparent coverings of damping that the first slippage noise reduction shroud 4 of noise reduction shroud and the end face of the second slippage noise reduction shroud 5 are installed.
As shown in Figure 7, it is the general structure schematic diagram of current keel production system, comprise: uncoiler 71, former 72, keel cut off equipment 73 and tail bracket 74 etc., during use, one dish steel band is arranged on the harmomegathus frame of uncoiler 71, steel band enters the roller mold of former 72, through the clod wash roll forming of roll multi-pass after launching, obtain shaping after keel product, keel cut off equipment 73 cut off under keel carried by tail bracket 74.
The noise reduction shroud of the application can connect front and back, and equipment can from first to last cover by multiple noise reduction shroud, thus realizes the covering to equipment, effectively reduces noise of equipment to the impact of surrounding environment.
As shown in Fig. 8 ~ Fig. 9, be the schematic diagram of the noise reduction shroud using the application in keel production system, use multiple noise reduction shroud endings to be connected, noise reduction shroud column 11 is placed on equipment, the covers such as the forming machine of keel production system and stapling machine can be got up.
In equipment operating side, the baffle plate of folding noise reduction shroud, can debug equipment, baffle plate turning can put down by complete operation.In the position of tail bracket discharging, before the fixed cover of noise reduction shroud, before occlusion part 32 or slippage cover, occlusion part 42 can adopt soft curtain, ensures that the keel produced transfer out from soft curtain.Keel are not before cutting off, and soft curtain puts down, and released by keel after cutting off by gravity or ejecting device from soft curtain.Shaping and the cut-out of such keel is enclosed in more airtight space, effectively can reduce on-the-spot noise.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as ROM (read-only memory), disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize, and correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The application is not restricted to the combination of the hardware and software of any particular form.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for a person skilled in the art, the application can have various modifications and variations.Within all spirit in the application and principle, any amendment done, equivalent replacement, improvement etc., within the protection domain that all should be included in the application.
Claims (10)
1. a noise reduction shroud, it is characterized in that, comprise: support, slippage slot, fixing noise reduction shroud, the first slippage noise reduction shroud and the second slippage noise reduction shroud, described slippage slot is fixing on the bracket, one end of described fixing noise reduction shroud is fixed in described slippage slot, described first slippage noise reduction shroud and the second slippage noise reduction shroud are respectively on left side and the right side of described fixing noise reduction shroud, and an end of described first slippage noise reduction shroud and the second slippage noise reduction shroud can being arranged in described slippage slot of sliding of relative described fixing noise reduction shroud.
2. noise reduction shroud as claimed in claim 1, is characterized in that, described fixing noise reduction shroud comprises occlusion part before fixed angle plate and fixed cover, and an end of described fixed angle plate is fixed in described slippage slot, and the other end is connected with occlusion part before described fixed cover.
3. noise reduction shroud as claimed in claim 2, it is characterized in that, described first slippage noise reduction shroud and the second slippage noise reduction shroud comprise occlusion part before slippage gusset and slippage cover, one end of described slippage gusset can relatively described fixing noise reduction shroud slide be arranged in described slippage slot, the other end is connected with occlusion part before described slippage cover.
4. noise reduction shroud as claimed in claim 3, it is characterized in that, before described fixed cover, before occlusion part and slippage cover, occlusion part is baffle plate, unfixing with the described slippage slot end of the fixed angle plate of the folding and described fixing noise reduction shroud of baffle plate of described fixing noise reduction shroud is connected, the end be not arranged in described slippage slot of the slippage gusset of the folding and described first slippage noise reduction shroud of baffle plate of described first slippage noise reduction shroud is connected, the end be not arranged in described slippage slot of the slippage gusset of the folding and described second slippage noise reduction shroud of baffle plate of described second slippage noise reduction shroud is connected.
5. noise reduction shroud as claimed in claim 3, it is characterized in that, the slippage gusset of described first slippage noise reduction shroud and the second slippage noise reduction shroud is in the outside of the fixed angle plate of described fixing noise reduction shroud or inner side, in slippage to partly overlap with the fixed angle plate of described fixing noise reduction shroud during open position or not overlapping, when slippage is to recovery position, to partly overlap with the fixed angle plate of described fixing noise reduction shroud or all overlapping; Correspondingly, the outside of occlusion part occlusion part before the fixed cover of described fixing noise reduction shroud or inner side before the slippage cover of described first slippage noise reduction shroud and the second slippage noise reduction shroud, in slippage to partly overlap with occlusion part before the fixed cover of described fixing noise reduction shroud during open position or not overlapping, when slippage is to recovery position, to partly overlap with occlusion part before the fixed cover of described fixing noise reduction shroud or all overlapping.
6. noise reduction shroud as claimed in claim 3, it is characterized in that, on the position relative with the second slippage noise reduction shroud with described first slippage noise reduction shroud of the inwall of described slippage slot and/or on the position relative with the second slippage noise reduction shroud with described first slippage noise reduction shroud of the fixed angle plate of described fixing noise reduction shroud, be provided with ball carriage; Or, on the described slippage slot relative sidewall of described first slippage noise reduction shroud with the slippage gusset of the second slippage noise reduction shroud and/or on the sidewall relative with the fixed angle plate of described fixing noise reduction shroud of the slippage gusset of described first slippage noise reduction shroud and the second slippage noise reduction shroud, be provided with ball carriage.
7. the noise reduction shroud as described in one of as any in claim 1 ~ 6, it is characterized in that, this noise reduction shroud also comprises side occlusion part, and the outer face of described first slippage noise reduction shroud and the second slippage noise reduction shroud offers mounting hole, and described side occlusion part is arranged on described mounting hole.
8. the noise reduction shroud as described in one of as any in claim 3 ~ 6, it is characterized in that, the slippage gusset of described first slippage noise reduction shroud and the second slippage noise reduction shroud is respectively arranged with locating piece, described slippage slot is provided with the first end cap that the locating piece stopped on described first slippage noise reduction shroud is located described first slippage noise reduction shroud, and stops the second end cap that the locating piece on described second slippage noise reduction shroud is located described second slippage noise reduction shroud.
9. the noise reduction shroud as described in one of as any in claim 1 ~ 6, it is characterized in that, described support comprises noise reduction shroud column, noise reduction shroud supporting leg and noise reduction shroud supporting leg pulley, one end and the described slippage slot of described noise reduction shroud column are fixed, the other end is connected with described noise reduction shroud supporting leg, and described noise reduction shroud supporting leg pulley is arranged on described noise reduction shroud supporting leg.
10. noise reduction shroud as claimed in claim 8, it is characterized in that, this noise reduction shroud also comprises the first slippage noise reduction shroud locking mechanism and the second slippage noise reduction shroud locking mechanism, described first slippage noise reduction shroud locking mechanism is arranged on the position outside the bottom of described slippage slot and the first end cap, and described second slippage noise reduction shroud is arranged on the position outside the bottom of described slippage slot and described second end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310354127.9A CN104376841B (en) | 2013-08-14 | 2013-08-14 | A kind of noise reduction shroud |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310354127.9A CN104376841B (en) | 2013-08-14 | 2013-08-14 | A kind of noise reduction shroud |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104376841A true CN104376841A (en) | 2015-02-25 |
| CN104376841B CN104376841B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310354127.9A Active CN104376841B (en) | 2013-08-14 | 2013-08-14 | A kind of noise reduction shroud |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104376841B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588533A (en) * | 2019-09-24 | 2019-12-20 | 郑州佛光发电设备有限公司 | Noise reduction assembly with folding structure |
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| CN202894882U (en) * | 2012-08-20 | 2013-04-24 | 黄山皖南机床有限公司 | Extensible cover mechanism facilitating maintenance of planer type milling machine |
| CN203415227U (en) * | 2013-08-14 | 2014-01-29 | 北新集团建材股份有限公司 | Noise reduction cover |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2701731A1 (en) * | 1977-01-18 | 1978-07-20 | Salzgitter Maschinen Ag | Rock or mineral boring appts. - has damping component surrounding bore rod and joined to front of support pallet to reduce noise and dust |
| US4356884A (en) * | 1981-08-31 | 1982-11-02 | Reynolds Metals Company | Acoustical enclosure system |
| DE8901686U1 (en) * | 1989-02-14 | 1989-03-23 | HCR-Heinrich Cremer GmbH, 4050 Mönchengladbach | Extendable and shortenable cover for the guideway of machine tools |
| CN201154318Y (en) * | 2008-02-22 | 2008-11-26 | 上海圣丰环保设备有限公司 | Environment protection type aeration quieter of steel ball coal mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110588533A (en) * | 2019-09-24 | 2019-12-20 | 郑州佛光发电设备有限公司 | Noise reduction assembly with folding structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104376841B (en) | 2018-03-20 |
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