CN104376841B - A kind of noise reduction shroud - Google Patents
A kind of noise reduction shroud Download PDFInfo
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- CN104376841B CN104376841B CN201310354127.9A CN201310354127A CN104376841B CN 104376841 B CN104376841 B CN 104376841B CN 201310354127 A CN201310354127 A CN 201310354127A CN 104376841 B CN104376841 B CN 104376841B
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- noise reduction
- reduction shroud
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- shroud
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Abstract
The invention discloses a kind of noise reduction shroud, including：Support, slippage slot, fixed noise reduction shroud, the first sliding noise reduction shroud and the second sliding noise reduction shroud, the slippage slot is fixed on the bracket, the one end of the fixed noise reduction shroud is fixed in the slippage slot, respectively in the left side and right side of the fixed noise reduction shroud, the one end of the first sliding noise reduction shroud and the second sliding noise reduction shroud being arranged in the slippage slot of sliding of relatively described fixed noise reduction shroud for the first sliding noise reduction shroud and the second sliding noise reduction shroud.The invention provides a kind of noise reduction shroud of slidingtype, Noise measarement caused by keel will be produced in noise reduction shroud, it is not directly discharged to operation field, solve the problems, such as noise emission in keel production process, noise can be greatly reduced, reduce injury of the noise to employee, reduce the degree of fatigue of employee, the acuteness of employee is improved, improves production efficiency, reduces potential safety hazard caused by noise.
Description
Technical field
The present invention relates to keel production technical field, more particularly to a kind of noise reduction shroud.
Background technology
In lightgage steel joist production process, steel band is opened a book by uncoiler, into former roll cold roll forming, is obtained
Keel, keel enter the cutting knife cut-out of cut-out equipment, and keel cut off under gravity, first fallen on the inclined-plane of base frame,
It is slipped to again on belt feeder, various noises can be produced in the process, staff is damaged.
In the equipment that keel are produced in current industry, without noise-reducing device, noise caused by keel and punch press punching are cut off
The impact noise in hole etc., is directly discharged to operation field.Therefore the noise at scene is very big, the environment in independent factory building, noise
Can be more obvious.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of noise reduction shroud, the noise of keel production scene can be reduced.
In order to solve the above technical problems, a kind of noise reduction shroud of the present invention, including：Support, slippage slot, fixed noise reduction shroud, the
One sliding noise reduction shroud and the second sliding noise reduction shroud, the slippage slot are fixed on the bracket, one end of the fixed noise reduction shroud
Portion is fixed in the slippage slot, and the first sliding noise reduction shroud and the second sliding noise reduction shroud are respectively in the fixed noise reduction shroud
The one end of left side and right side, the first sliding noise reduction shroud and the second sliding noise reduction shroud can relatively described fixed noise reduction shroud slip
Be arranged in the slippage slot.
Further, the fixed noise reduction shroud includes fixed angle plate and fixes occlusion part before cover, and the one of the fixed angle plate
End is fixed in the slippage slot, and the other end is connected with occlusion part before the fixed cover.
Further, the first sliding noise reduction shroud and the second sliding noise reduction shroud block before including sliding gusset and sliding cover
Portion, the one end of the sliding gusset being arranged in the slippage slot of sliding of relatively described fixed noise reduction shroud, the other end
It is connected with occlusion part before the sliding cover.
Further, occlusion part is baffle plate before occlusion part and sliding cover before the fixed cover, the gear of the fixed noise reduction shroud
Plate is folding to be connected with the end do not fixed with the slippage slot of the fixed angle plate of the fixed noise reduction shroud, and described first slides
The folding sliding gusset that noise reduction shroud is slid with described first of baffle plate of shifting noise reduction shroud is not disposed in the slippage slot
End is connected, and the folding sliding gusset that noise reduction shroud is slid with described second of baffle plate of the second sliding noise reduction shroud is not set
Put the end connection in the slippage slot.
Further, the sliding gusset of the first sliding noise reduction shroud and the second sliding noise reduction shroud is in the fixed noise reduction shroud
Fixed angle plate outside or inner side, partly overlapped when being slid onto open position with the fixed angle plate of the fixed noise reduction shroud or
It is not overlapping, when being slid onto recovery position, partly overlapped with the fixed angle plate of the fixed noise reduction shroud or all overlapping；Accordingly
Fixed cover of the occlusion part in the fixed noise reduction shroud before the sliding cover of ground, the first sliding noise reduction shroud and the second sliding noise reduction shroud
The outside or inner side of preceding occlusion part, it is heavy with occlusion part part before the fixed cover of the fixed noise reduction shroud when being slid onto open position
It is folded or not overlapping, when being slid onto recovery position, partly overlapped with occlusion part before the fixed cover of the fixed noise reduction shroud or whole
It is overlapping.
Further, the slippage slot inwall with described first sliding noise reduction shroud and second sliding noise reduction shroud it is relative
Position on and/or the fixed noise reduction shroud fixed angle plate with described first sliding noise reduction shroud and second sliding noise reduction shroud phase
To position on be provided with ball carriage；Or the sliding in the described first sliding noise reduction shroud and the second sliding noise reduction shroud
In the side wall relative with the slippage slot of gusset and/or it is described first sliding noise reduction shroud and second sliding noise reduction shroud drift angle
Ball carriage is provided with the side wall relative with the fixed angle plate of the fixed noise reduction shroud of plate.
Further, the noise reduction shroud also includes side occlusion part, in the described first sliding noise reduction shroud and the second sliding noise reduction
Mounting hole is offered on the outer face of cover, the side occlusion part is arranged on the mounting hole.
Further, it is fixed to be respectively arranged with the sliding gusset of the described first sliding noise reduction shroud and the second sliding noise reduction shroud
Position block, it is provided with the slippage slot and stops that the locating piece on the first sliding noise reduction shroud slides noise reduction shroud to described first
First end cap of positioning, and stop that the locating piece on the second sliding noise reduction shroud slides noise reduction shroud positioning to described second
Second end cap.
Further, the support includes noise reduction shroud column, noise reduction shroud supporting leg and noise reduction shroud supporting leg pulley, the noise reduction shroud
One end of column is fixed with the slippage slot, and the other end is connected with the noise reduction shroud supporting leg, and the noise reduction shroud supporting leg pulley is set
On the noise reduction shroud supporting leg.
Further, the noise reduction shroud also includes the first sliding noise reduction shroud locking mechanism and the second sliding locked machine of noise reduction shroud
Structure, the first sliding noise reduction shroud locking mechanism are arranged on the bottom of the slippage slot and the position of first end outer side of lid, institute
State on the position that the second sliding noise reduction shroud is arranged on the outside of the bottom and second end cap of the slippage slot.
In summary, the invention provides a kind of noise reduction shroud of slidingtype, Noise measarement caused by production keel is being dropped
Make an uproar in cover, be not directly discharged to operation field, solve the problems, such as noise emission in keel production process, noise can be made significantly to drop
It is low, injury of the noise to employee is reduced, reduces the degree of fatigue of employee, the acuteness of employee is improved, improves production
Efficiency, reduce potential safety hazard caused by noise.
Brief description of the drawings
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 top view of the noise reduction shroud of the application；
Fig. 5 is the A direction views of the noise reduction shroud of the application；
Fig. 6 is the B-B direction sectional view of the noise reduction shroud of the application；
Fig. 7 is the general structure schematic diagram of keel production system；
Fig. 8~Fig. 9 is the general structure schematic diagram using the keel production system of the noise reduction shroud of the application.
Embodiment
Noise Producing reason in keel production process is analyzed, including the cut-out impact noise of production keel, punch press produce
Punching impact noise and rolling keel caused by noise etc., and noise echogenicity on the wall roof of workshop reflects, and draws
The noise superposition risen.The noise reduction shroud of the application by produce noise equipment cover, to greatest extent it is interior by Noise measarement in noise reduction shroud
It is interior, the noise of factory when producing keel so as to reduce, improve the environment of plant.
For the purpose, technical scheme and advantage of the application are more clearly understood, below in conjunction with accompanying drawing to the application
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
As shown in Fig. 1~Fig. 6, the noise reduction shroud of present embodiment includes support 1, slippage slot 2, fixed noise reduction shroud 3, first and slided
Move noise reduction shroud 4 and second and slide noise reduction shroud 5, slippage slot 2 is fixed on support 1, and the one end of fixed noise reduction shroud 3 is fixed on sliding
In groove 2, the first sliding noise reduction shroud 4 and second slides noise reduction shroud 5 respectively in the left side and right side of fixed noise reduction shroud 3, the first sliding
Noise reduction shroud 4 and second slide noise reduction shroud 5 one end can be relatively fixed noise reduction shroud 3 slip be arranged in slippage slot 2.First slides
Moving the sliding noise reduction shroud 5 of noise reduction shroud 4 and second can slide along slippage slot 2, expand the pretective acreage of noise reduction shroud.
Fixed noise reduction shroud 3 includes occlusion part 32 before fixed angle plate 31 and fixed cover, and the one end of fixed angle plate 31 is fixed on
In slippage slot 2, the other end is connected with occlusion part 32 before fixed cover；First sliding noise reduction shroud 4 and second slides noise reduction shroud 5 and wrapped
Include sliding gusset 41 and slide occlusion part 42 before cover, the one end of sliding gusset 41 can be relatively fixed the setting of the slip of noise reduction shroud 3
In slippage slot 2, occlusion part 42 is connected before the other end is covered with sliding.
Occlusion part 42 can use baffle plate before occlusion part 32 and sliding are covered before fixed cover, and the baffle plate of fixed noise reduction shroud 3 can be rolled over
Folded is connected with the fixed angle plate 31 of fixed noise reduction shroud 3, and the position of connection is the end do not fixed with slippage slot 2 of fixed angle plate 31
Portion.The folding sliding gusset 41 with the first sliding noise reduction shroud 4 of baffle plate of first sliding noise reduction shroud 4 is connected, the position of connection
It is the end being not disposed in slippage slot 2 of the sliding gusset 41 of the first sliding noise reduction shroud 4.The baffle plate of second sliding noise reduction shroud 5
The folding sliding gusset 41 with the second sliding noise reduction shroud 5 is connected, and the position of connection is the drift angle of the second sliding noise reduction shroud 5
The end being not disposed in slippage slot 2 of plate 41.
Baffle plate can be connected by hinge 14 with gusset, overturn along hinge 14 and realized folding, in the fixed angles of fixed noise reduction shroud 3
Before plate 31 and fixed cover between occlusion part 32, the first sliding noise reduction shroud 4 and second slides sliding gusset 41 and the sliding of noise reduction shroud 5
Before cover between occlusion part 42, it can set and help cylinder 6 to assist to open.
Baffle plate can also be pulled down, and install soft curtain, and the base of cut-out equipment back can will be used in using the noise reduction shroud of soft curtain
On frame, it can both ensure that the keel after cut-out transferred out from soft curtain again with closing space, and ensure the continuous of production.
The sliding gusset 41 that first sliding noise reduction shroud 4 and second slides noise reduction shroud 5 is relatively fixed noise reduction shroud 3 in fixed noise reduction
The outside or inner side of the fixed angle plate 31 of cover 3, slide noise reduction shroud 5 in the first sliding noise reduction shroud 4 and second and be slid onto open position
When partly overlapped with the fixed angle plate 31 of fixed noise reduction shroud 3 or not overlapping, slide noise reduction shroud in the first sliding noise reduction shroud 4 and second
5 when being slid onto recovery position, is partly overlapped with the fixed angle plate 31 of fixed noise reduction shroud 3 or all overlapping；Correspondingly, the first sliding
Noise reduction shroud 4 and second slide occlusion part 42 before the sliding cover of noise reduction shroud 5 before the fixed cover of fixed noise reduction shroud 3 occlusion part 32 it is outer
Side or inner side, slid in the first sliding noise reduction shroud 4 and second when noise reduction shroud 5 is slid onto open position with fixing consolidating for noise reduction shroud 3
Occlusion part 32 partly overlaps or not overlapping before fixed cover, slides noise reduction shroud 5 in the first sliding noise reduction shroud 4 and second and is slid onto recovery position
When putting, partly overlapped with occlusion part 32 before the fixed cover of fixed noise reduction shroud 3 or all overlapping.
Open position is that the first sliding noise reduction shroud 4 and the second sliding noise reduction shroud 5 are relatively fixed noise reduction shroud 3 backwards to respectively respectively
When sliding reaches maximum position to the left and right, the first sliding noise reduction shroud 4 and second slides the position where noise reduction shroud 5；Recovery position
It is that the first sliding noise reduction shroud 4 and the second sliding noise reduction shroud 5 are respectively facing fixed noise reduction shroud 3 and slid, when being slid onto final position, the
One sliding noise reduction shroud 4 and second slides the position where noise reduction shroud 5.
The first sliding noise reduction shroud 4 and second slides noise reduction shroud 5 and lived apart in the left and right two of fixed noise reduction shroud 3 in present embodiment
Side, be that layering is set with fixed noise reduction shroud 3, as described above, the first sliding noise reduction shroud 4 and second slide noise reduction shroud 5 can be
The outer layer of fixed noise reduction shroud 3, can also be in the internal layer of fixed noise reduction shroud 3.
Slid to easily facilitate the first sliding noise reduction shroud 4 and the second sliding noise reduction shroud 5 along slippage slot 2, in slippage slot 2
Inwall slides on the directly relative position of noise reduction shroud 5 and/or fixed consolidating for noise reduction shroud 3 with the first sliding noise reduction shroud 4 and second
Being slid with the first sliding noise reduction shroud 4 and second for angle fixing plate 31 is provided with ball slip dress on the directly relative position of noise reduction shroud 5
Put 7；Or slide the directly relative with slippage slot 2 of gusset 41 in the first sliding sliding noise reduction shroud 5 of noise reduction shroud 4 and second
In side wall and/or the first sliding noise reduction shroud 4 and second slides the fixation with fixed noise reduction shroud 3 of the sliding gusset 41 of noise reduction shroud 5
Ball carriage 7 is provided with the directly relative side wall of gusset 31, ball carriage 7, the first sliding easy to remove are set
Noise reduction shroud 4 and second slides noise reduction shroud 5.
Noise reduction shroud also includes side occlusion part（For ease of side occlusion part not shown in displaying cut-away view）, first
Sliding noise reduction shroud 4 and second slides and offers mounting hole 8 on the outer face of noise reduction shroud 5, and side occlusion part is arranged on mounting hole 8
On.The mounting hole 8 that the end face that first sliding noise reduction shroud 4 and second slides noise reduction shroud 5 opens up can be multiple screw holes, and side hides
Stopper can use the materials such as the transparent covering of damping or soft curtain, used in positions such as steel band entrance doors.
Slid in the first sliding noise reduction shroud 4 and second and be also respectively provided with locating piece 9 on the sliding gusset 41 of noise reduction shroud 5,
The first end that the locating piece 9 stopped on the first sliding noise reduction shroud 4 positions to the first sliding noise reduction shroud 4 is provided with slippage slot 2
Lid 21, and stop the second end cap 22 that the locating piece 9 on the second sliding noise reduction shroud 5 positions to the second sliding noise reduction shroud 5, first
The end cap 22 of end cap 21 and second is arranged on the both ends of slippage slot 2, can prevent the first sliding noise reduction shroud 4 and the second sliding noise reduction shroud
5 skid off from slippage slot 2.
Meanwhile after first slides the sliding completion positioning of noise reduction shroud 5 of noise reduction shroud 4 and second, in the bottom of slippage slot 2, first end
First sliding noise reduction shroud locking mechanism of the outside of 21 and second end cap of lid 22 installation and the second sliding noise reduction shroud locking mechanism, respectively
Pin the position that the first sliding noise reduction shroud 4 and second slides noise reduction shroud 5.
Support 1 includes noise reduction shroud column 11, noise reduction shroud supporting leg 12 and noise reduction shroud supporting leg pulley 13, and the one of noise reduction shroud column 11
End is fixed with slippage slot 2, 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
On.The noise reduction shroud of the application can be moved quickly by noise reduction shroud supporting leg roller 13, and noise reduction shroud supporting leg 12 directly can be inserted quickly
Enter the bottom of equipment lathe bed leg, so as to realize that Fast Installation moves.In addition in the front and rear setting locked dress of support of noise reduction shroud supporting leg 12
Put, after being positioned so as to noise reduction shroud, position does not change.
The noise reduction shroud of the application also includes gusset 10, and gusset 10 is connected with slippage slot 2 and support 1 respectively, strengthens slippage slot 2
With the connection between support 1.
The noise reduction shroud of the application can use the welding of the materials such as channel-section steel, angle steel, and noise reduction shroud is placed on into equipment when in use
Behind, inserted behind the slave unit of noise reduction shroud supporting leg 12 below equipment lathe bed leg, locked positioning.First sliding of noise reduction shroud
The sliding of noise reduction shroud 4, second cover 5 and fixed noise reduction shroud 3 cover equipment from front, back and top, and first in noise reduction shroud is slided
Move noise reduction shroud 4 and second slide noise reduction shroud 5 end face installation the side occlusion part such as the transparent covering of damping from side by equipment cover
Firmly.
As shown in fig. 7, be the general structure schematic diagram of current keel production system, comprising：Uncoiler 71, former
One disk steel band, is arranged on the harmomegathus frame of uncoiler 71 during use, steel band exhibition by the 72nd, keel cut-out equipment 73 and base frame 74 etc.
After opening, into the roller mold of former 72, by the clod wash roll forming of roll multi-pass, the keel production after being molded
Product, the keel under keel cut-out equipment 73 is cut off are conveyed by base frame 74.
The noise reduction shroud of the application front and rear can connect, and multiple noise reduction shrouds can from first to last cover equipment, so as to realize
Covering to equipment, effectively reduce influence of the noise of equipment to surrounding environment.
It is the schematic diagram of the noise reduction shroud in keel production system using the application as shown in Fig. 8~Fig. 9, use is multiple
This noise reduction shroud ending is connected, and noise reduction shroud column 11 is placed on into equipment, can be by the forming machine of keel production system and cut-out
The covers such as machine get up.
In equipment operation side, the baffle plate of noise reduction shroud is folded, equipment can be debugged, baffle plate can be turned over by completing operation
Relay down.In the position of base frame discharging, occlusion part 42 can use before occlusion part 32 or sliding are covered before the fixed cover of noise reduction shroud
Soft curtain, ensure that the keel of production transfer out from soft curtain.Before not cutting off, soft curtain is put down keel, after cut-out by gravity or
Ejecting device releases keel from soft curtain.So keel shaping and cut-out be enclosed in more closed space, Neng Gouyou
Effect reduces the noise at scene.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits, accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, can also use the shape of software function module
Formula is realized.The application is not restricted to the combination of the hardware and software of any particular form.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (8)
1. a kind of noise reduction shroud, produced for lightgage steel joist, it is characterised in that including：Support, slippage slot, fixed noise reduction shroud, first
Noise reduction shroud and the second sliding noise reduction shroud are slid, the slippage slot is fixed on the bracket, the fixed noise reduction shroud only one end
It is fixed in the slippage slot, the first sliding noise reduction shroud and the second sliding noise reduction shroud are respectively on a left side for the fixed noise reduction shroud
Side and right side, the first sliding noise reduction shroud and the second sliding noise reduction shroud only one end can relatively described fixed noise reduction shroud slide
It is arranged in the slippage slot；
The fixed noise reduction shroud includes occlusion part before fixed angle plate and fixed cover, and the one end of the fixed angle plate is fixed on described
In slippage slot, the other end is connected with occlusion part before the fixed cover；
The first sliding noise reduction shroud and the second sliding noise reduction shroud include occlusion part before sliding gusset and sliding cover, the drift angle
The one end of plate being arranged in the slippage slot of sliding of relatively described fixed noise reduction shroud, the other end with before the sliding cover
Occlusion part connects.
2. noise reduction shroud as claimed in claim 1, it is characterised in that occlusion part is before occlusion part and sliding are covered before the fixed cover
Baffle plate, folding not the consolidating with the slippage slot with the fixed angle plate of the fixed noise reduction shroud of the baffle plate of the fixed noise reduction shroud
Fixed end connection, the folding sliding gusset that noise reduction shroud is slid with described first of baffle plate of the first sliding noise reduction shroud
The end connection being not disposed in the slippage slot, the baffle plate of the second sliding noise reduction shroud is folding to be slid with described second
The end being not disposed in the slippage slot connection of the sliding gusset of noise reduction shroud.
3. noise reduction shroud as claimed in claim 1, it is characterised in that the first sliding noise reduction shroud and second slides noise reduction shroud
Gusset is slid in the outside or inner side of the fixed angle plate of the fixed noise reduction shroud, fixed is dropped with described when being slid onto open position
The fixed angle plate of cover of making an uproar partly overlaps or not overlapping, when being slid onto recovery position, the fixed angle plate with the fixed noise reduction shroud
Partly overlap or all overlapping；Correspondingly, occlusion part before the sliding cover of the first sliding noise reduction shroud and the second sliding noise reduction shroud
The outside or inner side of occlusion part before the fixed cover of the fixed noise reduction shroud, when being slid onto open position with the fixed noise reduction
Occlusion part partly overlaps or not overlapping before the fixed cover of cover, when being slid onto recovery position, the fixation with the fixed noise reduction shroud
Occlusion part partly overlaps before cover or whole is overlapping.
4. noise reduction shroud as claimed in claim 1, it is characterised in that dropped in being slid with described first for inwall of the slippage slot
Make an uproar on cover and the second relative position of sliding noise reduction shroud and/or the fixed angle plate of the fixed noise reduction shroud with the described first sliding
Ball carriage is provided with noise reduction shroud and the second relative position of sliding noise reduction shroud；Or slide noise reduction described first
In the side wall relative with the slippage slot of the sliding gusset of cover and the second sliding noise reduction shroud and/or described first slides noise reduction shroud
Ball is provided with the side wall relative with the fixed angle plate of the fixed noise reduction shroud of the sliding gusset of the second sliding noise reduction shroud
Carriage.
5. the noise reduction shroud as described in Claims 1 to 4 is one of any, it is characterised in that the noise reduction shroud also includes side occlusion part,
Mounting hole, the side occlusion part installation are offered on the outer face of the described first sliding noise reduction shroud and the second sliding noise reduction shroud
On the mounting hole.
6. the noise reduction shroud as described in Claims 1 to 4 is one of any, it is characterised in that in the described first sliding noise reduction shroud and the
Locating piece is respectively arranged with the sliding gusset of two sliding noise reduction shrouds, is provided with the slippage slot and stops first sliding
The first end cap that locating piece on noise reduction shroud positions to the described first sliding noise reduction shroud, and stop the second sliding noise reduction shroud
On locating piece to described second sliding noise reduction shroud positioning the second end cap.
7. the noise reduction shroud as described in Claims 1 to 4 is one of any, it is characterised in that the support includes noise reduction shroud column, drop
Make an uproar cover supporting leg and noise reduction shroud supporting leg pulley, one end and the slippage slot of the noise reduction shroud column are fixed, the other end and the drop
Cover supporting leg of making an uproar is connected, and the noise reduction shroud supporting leg pulley is arranged on the noise reduction shroud supporting leg.
8. noise reduction shroud as claimed in claim 6, it is characterised in that the noise reduction shroud also includes the first sliding noise reduction shroud locking mechanism
With the second sliding noise reduction shroud locking mechanism, the first sliding noise reduction shroud locking mechanism is arranged on the bottom and the of the slippage slot
On the position of one end outer side of lid, the second sliding noise reduction shroud is arranged on the outside of bottom and second end cap of the slippage slot
Position on.
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 CN104376841A (en) | 2015-02-25 |
| CN104376841B true CN104376841B (en) | 2018-03-20 |
Family
ID=52555715
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| 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 |
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| CN (1) | CN104376841B (en) |
Families Citing this family (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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| 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 |
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| KR20120067532A (en) * | 2010-12-16 | 2012-06-26 | 두산인프라코어 주식회사 | The multi slide cover device of the machine tool |
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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 Moenchengladbach, De | |
| 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 |
| CN201616264U (en) * | 2010-01-28 | 2010-10-27 | 江苏神邦机电成套设备有限公司 | Punch sound-proof housing |
| CN102205545A (en) * | 2011-03-31 | 2011-10-05 | 苏州工业园区科创橡塑有限公司 | Noise-proof device for pelleter |
| CN202632999U (en) * | 2012-06-29 | 2012-12-26 | 重庆市电力公司电力科学研究院 | Insulating and soundproof cover device of outdoor movable transformer |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104376841A (en) | 2015-02-25 |
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Effective date of registration: 20230314 Address after: 343000 plot c7-1, Hedong new industrial park, Jinggangshan economic and Technological Development Zone, Ji'an City, Jiangxi Province Patentee after: Jinggangshan Beixin building materials Co.,Ltd. Address before: 102208 Longguan real estate building, 118 Huilongguan West Street, Changping District, Beijing Patentee before: BEIJING NEW BUILDING MATERIALS PLC |