CN107091109A - A kind of negative pressure air duct - Google Patents
A kind of negative pressure air duct Download PDFInfo
- Publication number
- CN107091109A CN107091109A CN201710517489.3A CN201710517489A CN107091109A CN 107091109 A CN107091109 A CN 107091109A CN 201710517489 A CN201710517489 A CN 201710517489A CN 107091109 A CN107091109 A CN 107091109A
- Authority
- CN
- China
- Prior art keywords
- air duct
- fixture block
- framework
- negative pressure
- upper fixture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000004744 fabric Substances 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/04—Air ducts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/02—Suspension devices for tubes or the like, e.g. for ventilating ducts
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The present invention relates to air duct technical field, especially a kind of negative pressure air duct, including framework and air duct fabric, bottom in framework is provided with lower fixture block, upper fixture block is provided with the surface framework of lower fixture block, the top of upper fixture block is provided with mobile bar, the upper end of mobile bar is through the top of framework and extends out provided with limiting plate, between upper fixture block and the top of framework spring is arranged with mobile bar, the side of framework is provided with opening, cylinder is provided with the edge frame body of opening, the clamping part of upper fixture block and lower fixture block is provided with groove, multiple retainer plates are equidistantly provided with air duct fabric, one end of air duct fabric is fixedly connected with cylinder.The present invention is simple to operate, is easy to be concluded unnecessary air duct by mounting rod, arranges, while being fixed air duct by upper fixture block and lower fixture block, the inclination of air duct is avoided, so as to will be blocked by end face so that suction air volume is reduced, cause dust removing effects poor, while avoiding the damage of blower fan.
Description
Technical field
The present invention relates to air duct technical field, more particularly to a kind of negative pressure air duct.
Background technology
Air duct refers to the distinguished and admirable pipeline flowed along certain orientation of guiding, for colliery, tunnel, subway engineering, underground office
Portion, guides the distinguished and admirable flowing along certain orientation.According to the pressure differential inside and outside air duct cylinder, air duct is divided into positive pressure wind pipe and negative pressure wind
Cylinder.Positive pressure wind pipe refers to that when being divulged information in cylinder the pressure in cylinder is higher than the air duct of the pressure outside cylinder, and negative pressure air duct then refers to work as cylinder
During interior ventilation, air duct of the pressure less than the pressure outside cylinder in cylinder.Due to negative pressure air duct Impact direction ecto-entad, prior art
In negative pressure air duct cylinder on be equipped with skeleton, for balancing the pressure differential inside and outside air duct cylinder.But when installing air duct, lead to
The problem of air duct is long can be often run into, at this moment air duct is in the presence of suction, the easy run-off the straight of air duct, so as to will be blocked up by end face
Firmly, so that suction air volume is reduced, dust removing effects are poor, seriously blower fan can be damaged, be this we have proposed a kind of negative pressure wind
Cylinder.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of negative pressure air duct proposed.
To achieve these goals, present invention employs following technical scheme：
The bottom designed in a kind of negative pressure air duct, including framework and air duct fabric, the framework is provided with lower fixture block, the lower fixture block
Upper fixture block is provided with the framework of surface, the top of the upper fixture block is provided with mobile bar, and the upper end of the mobile bar is through framework
Top is simultaneously extended out provided with limiting plate, is arranged with spring, the frame between the top of the upper fixture block and framework in mobile bar
The side of body is provided with opening, the edge frame body of the opening and is provided with cylinder, and the clamping part of the upper fixture block and lower fixture block is provided with
Groove, and groove is in that multiple retainer plates are equidistantly provided with circular arc, the air duct fabric, and the both sides of one of retainer plate
In groove, one end of the air duct fabric is fixedly connected with cylinder.
It is preferred that, lever is movably equipped with above the limiting plate, the top of the framework is provided with support bar, the support
The upper end of bar is flexibly connected with the middle part of lever.
It is preferred that, the inwall of the edge cylinder internal frame body of the opening is provided with multiple mounting rods, the air duct fabric and fixation
Snare is on mounting rod, and the one end of mounting rod away from framework of the top is provided with limited block.
It is preferred that, slide bar is equipped with the both sides upper fixture block of the mobile bar, the top of framework is run through in the upper end of the slide bar
Portion is simultaneously extended out.
It is preferred that, the both sides of the groove are inclined to set.
A kind of negative pressure air duct proposed by the present invention, beneficial effect is：The present invention it is simple to operate, by mounting rod be easy to by
Unnecessary air duct is concluded, arranged, while being fixed air duct by upper fixture block and lower fixture block, it is to avoid the inclination of air duct, from
And will be blocked by end face so that suction air volume is reduced, and causes dust removing effects poor, while avoiding the damage of blower fan.
Brief description of the drawings
Fig. 1 is a kind of structural representation of negative pressure air duct proposed by the present invention；
Fig. 2 is a kind of side structure schematic view of negative pressure air duct proposed by the present invention.
In figure：Framework 1, lever 2, support bar 3, limiting plate 4, mobile bar 5, spring 6, upper fixture block 7, opening 8, cylinder 9, peace
Fill bar 10, limited block 11, groove 12, lower fixture block 13, retainer plate 14, air duct fabric 15, slide bar 16.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is retouched, it is clear that the embodiment retouched is only a part of embodiment of the invention, rather than whole embodiments.
A kind of bottom in reference picture 1-2, negative pressure air duct, including framework 1 and air duct fabric 15, framework 1 is provided with lower fixture block 13,
Upper fixture block 7 is provided with the surface framework 1 of lower fixture block 13, the top of upper fixture block 7 is provided with mobile bar 5, and the upper end of mobile bar 5 is run through
The top of framework 1 is simultaneously extended out provided with limiting plate 4, and the top of limiting plate 4 is movably equipped with lever 2, and the top of framework 1 is provided with branch
Strut 3, the upper end of support bar 3 is flexibly connected with the middle part of lever 2, is covered between the top of upper fixture block 7 and framework 1 in mobile bar 5
Provided with spring 6, by limiting plate 4 so as to which mobile bar 5 is spacing, dropping for mobile bar 5 is prevented, need not in operation so as to avoid
The trouble wanted, lever 2 is in the presence of support bar 3, and presses lever 2 reaches the mesh adjusted to air duct so as to which upper fixture block 7 be lifted
's.
The side of framework 1, which is provided with opening 8, the edge framework 1 of opening 8, is provided with cylinder 9, the inside casing of edge cylinder 9 of opening 8
The inwall of body 1 is provided with multiple mounting rods 10, and air duct fabric 15 and retainer plate 14 are enclosed on mounting rod 10, and the mounting rod 10 of top is remote
One end of framework 1 is provided with limited block 11, by mounting rod 10 so as to which air duct fabric 15 and retainer plate 14 be arranged, prevents air duct fabric 15
Moved with retainer plate 14 in framework 1, it is by limited block 11 that retainer plate 14 is spacing, prevent retainer plate 14 from dropping.
Slide bar 16 is equipped with the both sides upper fixture block 7 of mobile bar 5, the upper end of slide bar 16 is through the top of framework 1 and extension
Go out, the clamping part of upper fixture block 7 and lower fixture block 13 is provided with groove 12, and groove 12 is in circular arc, and the both sides of groove 12 are in incline
Tiltedly set, multiple retainer plates 14 are equidistantly provided with air duct fabric 15, and the both sides of one of retainer plate 14 are located in groove 12,
One end of air duct fabric 15 is fixedly connected with cylinder 9, by slide bar 16 so that upper fixture block 7 is more consolidated, it is therefore prevented that upper fixture block 7
With the off normal of lower fixture block 13, pass through the groove 12 being obliquely installed so that retainer plate 14 more preferably, is faster clipped in groove 12.
In the present invention, by lever 2 so that mobile bar 5 is moved, so that upper fixture block 7 be lifted, by by retainer plate
14 are placed between upper fixture block 7 and lower fixture block 13, at this moment unclamp lever 2, and upper fixture block 7 is moved down under the active force of spring 6, are led to
Cross upper fixture block 7 and lower fixture block 13 retainer plate 14 is clipped in groove 12, so that the purpose for fixing retainer plate 14 is reached, it is many
Remaining retainer plate 14 and air duct fabric 15 is enclosed on mounting rod 10, it is therefore prevented that retainer plate 14 and air duct fabric 15 are moved, so as to cause to incline
Tiltedly, suction air volume is caused to reduce.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of negative pressure air duct, including framework（1）And air duct fabric（15）, it is characterised in that the framework（1）Interior bottom is provided with
Lower fixture block（13）, the lower fixture block（13）Surface framework（1）It is interior to be provided with upper fixture block（7）, the upper fixture block（7）Top set
There is mobile bar（5）, the mobile bar（5）Upper end run through framework（1）Top and extend out provided with limiting plate（4）, it is described
Upper fixture block（7）With framework（1）Top between mobile bar（5）On be arranged with spring（6）, the framework（1）Side provided with opening
Mouthful（8）, the opening（8）Edge framework（1）It is interior to be provided with cylinder（9）, the upper fixture block（7）And lower fixture block（13）Clamping part
Provided with groove（12）, and groove（12）In circular arc, the air duct fabric（15）On equidistantly be provided with multiple retainer plates（14）, and
One of retainer plate（14）Both sides be located at groove（12）It is interior, the air duct fabric（15）One end and cylinder（9）It is fixedly connected.
2. a kind of negative pressure air duct according to claim 1, it is characterised in that the limiting plate（4）Top be movably equipped with
Lever（2）, the framework（1）Top be provided with support bar（3）, the support bar（3）Upper end and lever（2）Middle part activity
Connection.
3. a kind of negative pressure air duct according to claim 1, it is characterised in that the opening（8）Edge cylinder（9）Inside casing
Body（1）Inwall be provided with multiple mounting rods（10）, the air duct fabric（15）And retainer plate（14）It is enclosed on mounting rod（10）On, it is described
The mounting rod of top（10）Away from framework（1）One end be provided with limited block（11）.
4. a kind of negative pressure air duct according to claim 1, it is characterised in that the mobile bar（5）Both sides upper fixture block（7）
On be equipped with slide bar（16）, the slide bar（16）Upper end run through framework（1）Top and extend out.
5. a kind of negative pressure air duct according to claim 1, it is characterised in that the groove（12）Both sides inclined set
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517489.3A CN107091109A (en) | 2017-06-29 | 2017-06-29 | A kind of negative pressure air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517489.3A CN107091109A (en) | 2017-06-29 | 2017-06-29 | A kind of negative pressure air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091109A true CN107091109A (en) | 2017-08-25 |
Family
ID=59640838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710517489.3A Withdrawn CN107091109A (en) | 2017-06-29 | 2017-06-29 | A kind of negative pressure air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091109A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094225A (en) * | 2019-06-12 | 2019-08-06 | 兖州煤业股份有限公司 | Mining positive pressure wind pipe or negative pressure air duct Nondestrustive combination attachment device |
| CN110508567A (en) * | 2019-09-03 | 2019-11-29 | 中铁十八局集团有限公司 | A kind of tunnel ventilation hose cleaning dressing mechanism |
| CN113513358A (en) * | 2021-07-26 | 2021-10-19 | 太原理工大学 | Unmanned automatic emergency discharge system for high-concentration gas in roadway |
| CN110094225B (en) * | 2019-06-12 | 2024-05-31 | 兖矿能源集团股份有限公司 | Nondestructive combined connecting device for mining positive pressure air duct or negative pressure air duct |
-
2017
- 2017-06-29 CN CN201710517489.3A patent/CN107091109A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094225A (en) * | 2019-06-12 | 2019-08-06 | 兖州煤业股份有限公司 | Mining positive pressure wind pipe or negative pressure air duct Nondestrustive combination attachment device |
| CN110094225B (en) * | 2019-06-12 | 2024-05-31 | 兖矿能源集团股份有限公司 | Nondestructive combined connecting device for mining positive pressure air duct or negative pressure air duct |
| CN110508567A (en) * | 2019-09-03 | 2019-11-29 | 中铁十八局集团有限公司 | A kind of tunnel ventilation hose cleaning dressing mechanism |
| CN113513358A (en) * | 2021-07-26 | 2021-10-19 | 太原理工大学 | Unmanned automatic emergency discharge system for high-concentration gas in roadway |
| CN113513358B (en) * | 2021-07-26 | 2022-11-29 | 太原理工大学 | Unmanned automatic emergency discharge system for high-concentration gas in roadway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170825 |