CN215486123U - Wall-attached air duct - Google Patents
Wall-attached air duct Download PDFInfo
- Publication number
- CN215486123U CN215486123U CN202121455499.7U CN202121455499U CN215486123U CN 215486123 U CN215486123 U CN 215486123U CN 202121455499 U CN202121455499 U CN 202121455499U CN 215486123 U CN215486123 U CN 215486123U
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- Prior art keywords
- wall
- rotating shaft
- air duct
- rotating
- plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002817 coal dust Substances 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract description 5
- 238000010168 coupling process Methods 0.000 abstract description 5
- 238000005859 coupling reaction Methods 0.000 abstract description 5
- 239000003245 coal Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 231100000206 health hazard Toxicity 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a wall-attached air duct, which relates to the technical field of wall-attached air ducts and comprises three mounting rings arranged on the inner side of the duct body, three rotating shafts, three control plates and two connecting mechanisms, wherein each rotating shaft is uniformly arranged on the inner side of the mounting ring, each control plate is sleeved on the outer wall of the rotating shaft, each control plate is in rotating fit with the rotating shaft, the air quantity can be controlled according to the rotating angle of the control plates, and each connecting mechanism is provided with two groups, and each group of connecting mechanisms is arranged on each control plate. This attach wall dryer, through the axis of rotation in the middle of the rotation, rotate together at coupling mechanism's control panel, can adjust the air output that divides the dryer export according to the demand, it is great to avoid the air current volume, and unnecessary coal dust air current returns the tunnel, and is great to the healthy harm of worker, should attach wall dryer, through sheltering from cloth, the public subsides of magic and the female subsides of magic, can realize the closure to the exhaust vent, and it is too big to avoid the amount of wind, and wind goes out from the exhaust vent, leads to dust removal effect poor.
Description
Technical Field
The utility model relates to the technical field of wall-attached air ducts, in particular to a wall-attached air duct.
Background
When the fully-mechanized excavation working face adopts a long-pressing short-pumping mixed type ventilation dust removal system, the fresh air flow directly pressed into the working face through the air duct often blows coal dust generated when the tunneling machine cuts coal and spreads to the four places, dust collection of a dust remover is not facilitated, the dust removal effect is influenced, in order to prevent dust-containing air flow of the working face from diffusing and stagnating outwards and gas from accumulating on a top plate of a roadway, a wall-attached air duct (also called a coanda air duct) is often arranged at the tail end of the press-in air duct to improve the distribution condition of the air flow, and the wall-attached air duct is generally used for spirally discharging air along the roadway.
Fully dig the working face and tunnel the in-process, can produce a large amount of coal dusts, bring health hazard for environment and worker, although there is the dust removal dryer on the scene, the dust mask has also been worn to the worker, but the accuse dirt effect is unsatisfactory, its leading cause is that the air current is great, though most coal dusts reposition of redundant personnel is siphoned away by dust exhausting fan, nevertheless unnecessary coal dusts air current returns the tunnel, it is whole to be inhaled by constructor, it is great to the health hazard of worker, and attach the exhaust vent on the wall dryer lateral wall and generally connect with the rope and shelter from cloth and carry out the closure, when the amount of wind is too big, can lead to windy going out from the exhaust vent.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wall-attached air duct which rotates together with a control plate of a connecting mechanism through a rotating shaft in the middle of rotation, can adjust the air output of an outlet of a sub air duct according to requirements, avoids large air flow, prevents redundant coal dust air flow from returning to a roadway and has large harm to the health of workers, can close an air outlet hole through shielding cloth, a magic male tape and a magic female tape, and avoids poor dust removal effect caused by the fact that air flows out of the air outlet hole due to overlarge air quantity.
In order to achieve the purpose, the utility model is realized by the following technical scheme: a coanda duct comprising:
a barrel;
a mounting ring; is arranged at the inner side of the cylinder body;
the number of the rotating shafts is three, and each rotating shaft is uniformly arranged on the inner side of the mounting ring;
the control panel is provided with three control panels, each control panel is sleeved on the outer wall of the rotating shaft, each control panel is in rotating fit with the rotating shaft, and the air quantity can be controlled according to the rotating angle of the control panels;
the connecting mechanisms are arranged in two groups, and each group of connecting mechanisms is arranged on the control plates and used for connecting each control plate; and
the adjusting plate is arranged on the rotating shaft and used for realizing the rotation of the rotating shaft.
Furthermore, each group of connecting mechanisms comprises three mounting blocks, three mounting holes, three rotating shafts, three first connecting rods and three second connecting rods, each mounting block is fixedly arranged on the outer side of the control panel, each mounting hole is formed in the outer side of each mounting block, each rotating shaft is embedded in the inner side of each mounting hole and penetrates through the two sides of the outer wall of each mounting block, the first connecting rods are movably arranged on the outer walls of the rotating shafts, and the second connecting rods are movably arranged on the outer walls of the rotating shafts.
Furthermore, a plurality of moving grooves are formed in one side of the outer wall of the adjusting plate at equal intervals in the circumferential direction, and the cross section of the adjusting plate is circular.
Further, the fixed frame of placing that is provided with in outer wall one side of barrel, the inner wall one side of placing the frame is rotated and is inlayed and be equipped with the rotary rod, the fixed connecting plate that is provided with of one end of rotary rod.
Furthermore, a push rod is fixedly arranged on one side of the outer wall of the connecting plate and is in sliding fit with the moving groove.
Furthermore, an air outlet hole is formed in one side of the outer wall of the barrel, and shielding cloth is sewn on one side of the outer wall of the barrel.
Furthermore, a magic male tape is sewn on one side of the outer wall of the shielding cloth, and a magic female tape is sewn on one side of the outer wall of the barrel.
The utility model provides a wall-attached air duct. The method has the following beneficial effects:
(1) this attaches wall dryer rotates together at coupling mechanism's control panel through the axis of rotation in the middle of the rotation, can adjust the air output that divides the dryer export according to the demand, avoids the air current volume great, and unnecessary coal dust air current returns the tunnel, and is great to the healthy harm of worker.
(2) This attaches wall dryer through sheltering from cloth, the public subsides of magic and the female subsides of magic, can realize avoiding the amount of wind too big to the closure of exhaust vent, and wind goes out from the exhaust vent, and it is poor to lead to dust removal effect.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the placement frame of the present invention;
FIG. 4 is an exploded view of the coupling mechanism of the present invention;
fig. 5 is an exploded view of the regulating plate of the present invention.
In the figure: 1. a barrel; 2. a mounting ring; 3. a rotating shaft; 4. a control panel; 5. a connecting mechanism; 501. mounting blocks; 502. mounting holes; 503. a rotating shaft; 504. a first connecting rod; 505. a second connecting rod; 6. an adjusting plate; 7. a moving groove; 8. a push rod; 9. a connecting plate; 10. rotating the rod; 11. placing the frame; 12. an air outlet; 13. a shielding cloth; 14. a magic female sticker; 15. magic male sticker.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like 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 drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Referring to fig. 1-5, the present invention provides a wall-attached duct, including:
a cylinder body 1;
a mounting ring 2; is arranged at the inner side of the cylinder body 1;
three rotating shafts 3 are arranged, and each rotating shaft 3 is uniformly arranged on the inner side of the mounting ring 2;
the number of the control plates 4 is three, each control plate 4 is sleeved on the outer wall of the rotating shaft 3, each control plate 4 is in rotating fit with the rotating shaft 3, and the air quantity can be controlled according to the rotating angle of each control plate 4;
two groups of connecting mechanisms 5 are arranged, and each group of connecting mechanisms 5 is arranged on the control plates 4 and used for connecting each control plate 4; and
and the adjusting plate 6 is arranged on the rotating shaft 3 and used for realizing the rotation of the rotating shaft 3.
In this embodiment: through barrel 1, be used for improving the wind flow distribution form, through collar 2, be convenient for to the installation and the placing of axis of rotation 3 and control panel 4, through axis of rotation 3, axis of rotation 3 even fixed set up in the inner wall of collar 2, through control panel 4, change control panel 4 pivoted angle, can be used for changing the size of amount of wind, three control panel 4 is in the same place, can piece into a circle, the length of axis of rotation 3 is according to the control panel 4 size setting for, through coupling mechanism 5, can be so that every control panel 4 is in the same place of contact with each other, through regulating plate 6, regulating plate 6 is fixed to be set up in placing in the middle axis of rotation 3, be used for making axis of rotation 3 rotatory, it is great to avoid the wind flow, unnecessary coal dust wind flows back the tunnel, it is great to staff health hazard.
Specifically, each group of connecting mechanisms 5 comprises a mounting block 501, a mounting hole 502, a rotating shaft 503, a first connecting rod 504 and a second connecting rod 505, the number of the mounting blocks 501, the number of the mounting holes 502 and the number of the rotating shafts 503 are three, each mounting block 501 is fixedly arranged on the outer side of the control panel 4, each mounting hole 502 is arranged on the outer side of the mounting block 501, each rotating shaft 503 is embedded in the inner side of the mounting hole 502 and runs through the two sides of the outer wall of the mounting block 501, the first connecting rod 504 is movably arranged on the outer wall of the rotating shaft 503, and the second connecting rod 505 is movably arranged on the outer wall of the rotating shaft 503.
In this embodiment: each control board 4 can be connected together through the mounting block 501, the mounting hole 502, the rotating shafts 503, the first connecting rods 504 and the second connecting rods 505, two ends of the outer wall of each first connecting rod 504 are respectively arranged on the two rotating shafts 503, two ends of the outer wall of each second connecting rod 505 are respectively arranged on the two rotating shafts 503, and the first connecting rods 504 and the second connecting rods 505 are respectively arranged on one side of the outer wall of the mounting block 501.
Specifically, a plurality of moving grooves 7 are formed in one side of the outer wall of the adjusting plate 6 at equal intervals along the circumferential direction, and the cross section of the adjusting plate 6 is circular.
In this embodiment: by moving the slot 7, the adjusting plate 6 can be intermittently rotated for adjusting the angle of the control plate 4.
Specifically, the fixed frame 11 of placing that is provided with in outer wall one side of barrel 1, the inner wall one side of placing frame 11 is rotated and is inlayed and be equipped with rotary rod 10, and the one end of rotary rod 10 is fixed and is provided with connecting plate 9.
In this embodiment: through placing frame 11, can realize placing rotary rod 10, through connecting plate 9, can realize placing catch bar 8, the setting of rotary rod 10 is close to one side edge in the outer wall of connecting plate 9.
Specifically, a push rod 8 is fixedly arranged on one side of the outer wall of the connecting plate 9, and the push rod 8 is in sliding fit with the moving groove 7.
In this embodiment: the intermittent rotation of the adjusting plate 6 is achieved by the pushing rod 8 as the pushing rod 8 moves in the moving slot 7.
Specifically, an air outlet 12 is formed in one side of the outer wall of the barrel 1, and a shielding cloth 13 is sewn on one side of the outer wall of the barrel 1.
In this embodiment: through exhaust vent 12, can realize the reposition of redundant personnel to the component, through sheltering from cloth 13, can shelter from exhaust vent 12, shelter from cloth 13 and set up near exhaust vent 12.
Specifically, a hook and loop fastener 15 is sewn on one side of the outer wall of the shielding cloth 13, and a hook and loop fastener 14 is sewn on one side of the outer wall of the barrel 1.
In this embodiment: through the female 14 of pasting 15 and magic of magic, the female 14 of pasting of magic is made up in the edge of exhaust vent 12, and the male 15 of magic is made up in the edge that shelters from cloth 13, can realize the closure to exhaust vent 12, avoids the amount of wind too big, and wind goes out from exhaust vent 12, leads to dust removal effect poor.
During the use, earlier as required, make the rotary rod 10 rotate, catch bar 8 can enter into the shifting chute 7, make 6 intermittent type rotations of regulating plate, and drive axis of rotation 3 and rotate, under coupling mechanism 5's effect, every control panel 4 can rotate, make control panel 4's angle change, can control amount of wind and wind direction, it is great to avoid the air current, unnecessary coal dust air current returns the tunnel, it is great to the healthy harm of staff, paste 15 and the female 14 gluing of magic together, can be sealed exhaust vent 12, avoid the amount of wind too big, wind goes out from exhaust vent 12, lead to the dust removal effect poor.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. A coanda duct, comprising:
a cylinder (1);
a mounting ring (2); is arranged at the inner side of the cylinder body (1);
the number of the rotating shafts (3) is three, and each rotating shaft (3) is uniformly arranged on the inner side of the mounting ring (2);
the number of the control plates (4) is three, each control plate (4) is sleeved on the outer wall of the rotating shaft (3), each control plate (4) is in rotating fit with the rotating shaft (3), and the air quantity can be controlled according to the rotating angle of each control plate (4);
the connecting mechanisms (5) are provided with two groups, and each group of connecting mechanisms (5) is arranged on the control panel (4) and used for connecting each control panel (4); and
and the adjusting plate (6) is arranged on the rotating shaft (3) and is used for realizing the rotation of the rotating shaft (3).
2. The coanda air duct of claim 1, wherein: each group of connecting mechanisms (5) comprises three mounting blocks (501), three mounting holes (502), three rotating shafts (503), three first connecting rods (504) and three second connecting rods (505), each mounting block (501) is fixedly arranged on the outer side of the control panel (4), each mounting hole (502) is arranged on the outer side of the corresponding mounting block (501), each rotating shaft (503) is embedded in the inner side of the corresponding mounting hole (502) and penetrates through the two sides of the outer wall of the corresponding mounting block (501), each first connecting rod (504) is movably arranged on the outer wall of the corresponding rotating shaft (503), and each second connecting rod (505) is movably arranged on the outer wall of the corresponding rotating shaft (503).
3. A coanda air duct according to claim 2, wherein: a plurality of moving grooves (7) are formed in one side of the outer wall of the adjusting plate (6) at equal intervals in the circumferential direction, and the cross section of the adjusting plate (6) is circular.
4. A coanda air duct according to claim 3, wherein: the fixed frame (11) of placing that is provided with in outer wall one side of barrel (1), the inner wall one side of placing frame (11) is rotated and is inlayed and be equipped with rotary rod (10), the fixed connecting plate (9) that is provided with of one end of rotary rod (10).
5. The coanda air duct of claim 4, wherein: and a push rod (8) is fixedly arranged on one side of the outer wall of the connecting plate (9), and the push rod (8) is in sliding fit with the moving groove (7).
6. The coanda air duct of claim 5, wherein: an air outlet (12) is formed in one side of the outer wall of the barrel body (1), and shielding cloth (13) is sewn on one side of the outer wall of the barrel body (1).
7. The coanda air duct according to claim 6, wherein a male magic tape (15) is sewn on one side of the outer wall of the shielding cloth (13), and a female magic tape (14) is sewn on one side of the outer wall of the barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121455499.7U CN215486123U (en) | 2021-06-29 | 2021-06-29 | Wall-attached air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121455499.7U CN215486123U (en) | 2021-06-29 | 2021-06-29 | Wall-attached air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486123U true CN215486123U (en) | 2022-01-11 |
Family
ID=79723273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121455499.7U Expired - Fee Related CN215486123U (en) | 2021-06-29 | 2021-06-29 | Wall-attached air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027904A (en) * | 2023-08-24 | 2023-11-10 | 中国矿业大学 | Device and method for controlling dust flow uniformly in air duct |
-
2021
- 2021-06-29 CN CN202121455499.7U patent/CN215486123U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117027904A (en) * | 2023-08-24 | 2023-11-10 | 中国矿业大学 | Device and method for controlling dust flow uniformly in air duct |
| CN117027904B (en) * | 2023-08-24 | 2024-01-26 | 中国矿业大学 | Method for controlling dust flow of air duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |