CN208503943U - A kind of ventilation guiding device - Google Patents
A kind of ventilation guiding device Download PDFInfo
- Publication number
- CN208503943U CN208503943U CN201820688391.4U CN201820688391U CN208503943U CN 208503943 U CN208503943 U CN 208503943U CN 201820688391 U CN201820688391 U CN 201820688391U CN 208503943 U CN208503943 U CN 208503943U
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- CN
- China
- Prior art keywords
- strut
- deflector
- lifting
- bracket
- nut
- 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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of ventilation guiding devices, tapered including bracket and the deflector being connected on bracket, deflector.Deflector includes several flow deflectors, and flow deflector is connected with the swing force piece for adjusting its pitch angle.Bracket includes that the strut of tubulose and the lifting drive part for controlling strut lifting, several flow deflectors are hinged on strut upper end, and lead screw, which is worn, to be connect in strut；Lifting drive part controls several flow deflectors and swing force piece lifting when strut lifting.The deflector of taper is set, and deflector is connected with the strut that can adjust its height, and deflector has the structure that can adjust its taper；During deflector changes taper and change in elevation, it circulates from the air that lower manhole enters to spherical tank internal perisporium and middle part, effectively the air of spherical tank internal perisporium and middle part is taken out of outside spherical tank, inflammable and explosive gas or dust obtain water conservancy diversion in spherical tank, gas and dust exclude clean work circumstances safe in guarantee spherical tank.
Description
Technical field
The utility model relates to a kind of ventilation guiding devices, more particularly, to a kind of for improving leading for spherical tank inner ventilation
Flow device.
Background technique
In the practical application of spherical tank, staff needs to enter by upper manhole or lower manhole progress safety inspection work in tank
Make, such as polish the erosion resistant coating or rusty stain of spherical tank wall surface, or gives spherical tank inner wall brushing erosion resistant coating.Spherical tank contains most
For inflammable and explosive medium (such as hydro carbons, alkanes), combustion-supporting medium (such as oxygen) or the gas for easily leading to personnel's asphyxia
(such as nitrogen, carbon dioxide)；Alternatively, safety inspection work causes, dust is accumulated or flammable explosive gas is exceeded, is seriously threatened
The safety of spherical tank and operating personnel.Before personnel enter spherical tank after spherical tank parking, it is necessary to reliably the medium inside spherical tank be arranged
Out outside spherical tank, reach the operating environment for meeting safety requirements.
In the prior art, gravity-flow ventilation or forced ventilation are mainly carried out by upper manhole and lower manhole.Gravity-flow ventilation is
Air flowing is formed by pressure difference caused by the difference in height of two manholes above and below spherical tank, forced ventilation is by blower or pressure
Contracting air carries out air blast or exhausting from upper manhole or lower manhole.
Preferable air guide structure is not provided in two kinds of ventilating systems, after air mainly enters spherical tank from lower manhole
Directly it is discharged from upper manhole.The air entered from lower manhole, which is not spread to the wall surface of spherical tank surrounding, to circulate, and air stream does not have band
Air field around dynamic, spherical tank internal perisporium forms chaotic flow field, more chaotic closer to spherical shell wall, cannot be effectively spherical tank
The air of internal perisporium is taken out of outside spherical tank, and the inner wall of spherical tank is nearby still detained flammable explosive gas or dust.
Utility model content
In order to overcome the deficiencies of the prior art, the purpose of this utility model is to provide a kind of ventilation guiding device, in spherical tank
Uniformly, flammable explosive gas or dust in spherical tank can preferably be discharged outward for air flowing.
The utility model be solve its technical problem the technical solution adopted is that:
A kind of ventilation guiding device, including bracket and the deflector being connected on bracket, the deflector is tapered；Institute
Stating bracket includes the strut for connecting deflector and the lifting drive part for controlling strut lifting, and strut and lifting are dynamic
The transmission connection of power part；The deflector includes that several hinged flow deflector with bracket, flow deflectors are connected with swing force piece, is put
Dynamic force piece is used to adjust the pitch angle of flow deflector.
Another specific embodiment according to the present utility model, further has, and the lifting drive part includes that setting exists
Rack gear on strut and the gear being connected on bracket, gear rotate hour rack and strut lifting.
Another specific embodiment according to the present utility model, further has, and the gear is connected with first-hand, and
One hand handle drives gear rotation hour rack and strut lifting.
Another specific embodiment according to the present utility model, further has, and described first-hand was connected with for the first quarter
Scale, the first dial are used to mark the adjustable height for reading strut.
Another specific embodiment according to the present utility model, further has, and the swing force piece includes and bracket
The lead screw of flexible connection, the nut being flexibly connected with lead screw and several connecting rods around nut axial direction circle distribution, connecting rod
Both ends are respectively articulated with nut and flow deflector；Nut slides up and down and on one end on several flow deflectors far from nut when lead screw rotates
Lower swing.
Another specific embodiment according to the present utility model, further has, and worm screw, worm screw are provided on the lead screw
It is connected with turbine；Turbine drive worm screw rotation when nut up and down slide and several flow deflectors on far from nut one end on the bottom
It is dynamic.
Another specific embodiment according to the present utility model, further has, and the turbine is connected with second-hand's handle, the
Nut slides up and down when two hand handles drive turbine rotation and one end on several flow deflectors far from nut is swung up and down.
Another specific embodiment according to the present utility model, further has, the bracket include the strut of tubulose with
And the lifting drive part for controlling strut lifting, several flow deflectors are distributed in strut upper end, lead screw around the axial circumference of strut
It wears and connects in strut and be flexibly connected with strut；Lifting drive part controls several flow deflectors and swing force piece liter when strut lifting
Drop.
A kind of ventilation guiding device that the utility model uses has the advantages that the deflector of setting taper, leads
Flowing plate is connected with the strut that can adjust its height, and deflector has the structure that can adjust its taper；Deflector variation
During taper and change in elevation, circulate from the air that lower manhole enters to spherical tank internal perisporium and middle part, effectively spherical tank
Internal perisporium and the air at middle part are taken out of outside spherical tank, and inflammable and explosive gas or dust obtain water conservancy diversion, gas and dust in spherical tank
Exclude clean work circumstances safe in guarantee spherical tank.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the planar structure schematic diagram of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in further detail below in conjunction with attached drawing.
Embodiment one
As shown in Figure 1, a kind of ventilation guiding device, including bracket 1 and the deflector being connected on bracket 12, deflector
2 is tapered.
The lower end of bracket 1 is set as circular arc bar, convenient for bracket 1 to be placed on to the bottom of spherical tank；Bracket 1 is placed in spherical tank
Lower manhole, the pedestal of deflector 2 are set as bracket 1, and wind can enter from lower manhole and after bracket 1 and deflector 2 toward ball
The internal perisporium water conservancy diversion of tank.
Bracket 1 includes circular arc bar, several crossbeams and several struts, and crossbeam, strut and circular arc bar are to be detachably connected, circular arc
The lower end of bracket 1 is arranged in bar.In spherical tank vented exhaust operation, first circular arc bar, crossbeam, upright bar and deflector 2 are set from manhole
Enter inside spherical tank, then assemble bracket 1, in the installation to bracket 1 of deflector 2.
Deflector 2 in embodiment one can have following embodiment:
Embodiment two
As depicted in figs. 1 and 2, bracket 1 includes main frame, the strut 3 for connecting deflector 2 and supports for controlling
The lifting drive part that bar 3 is gone up and down, strut 3 are movably connected on main frame, and strut 3 and lifting drive part are sequentially connected.Energy is set
The deflector 2 enough gone up and down circulates from the air that lower manhole enters to spherical tank internal perisporium, on spherical tank inner wall from lower end to upper end equal energy
Enough water conservancy diversion have powerful and constant wind, and wind flows well on the entire inner wall of spherical tank, and wind flow wind direction is stablized, and guarantee ball
Flammable explosive gas or dust in tank can postpone flowing wind and export.
As shown in Fig. 2, lifting drive part can be set are as follows: lifting drive part include the rack gear 41 that is arranged on strut 3 with
And it is connected to the gear 42 on bracket 1, gear 42 is flexibly connected with bracket 1, and gear 42 rotates hour rack 41 and strut 3 is gone up and down.
Preferably, gear 42 is connected with first-hand 43, first-hand to rotate hour rack 41 and strut with moving gear 42 43
3 liftings.
First-hand to be connected with the first dial 43, the first dial is used to mark the adjustable height for reading strut 3.
Lifting drive part can be set are as follows: lifting drive part is cylinder or hydraulic cylinder, and cylinder piston bar connects strut 3, cylinder
Body piston rod drives strut 3 flexible.Lifting drive part can be set are as follows: lifting drive part includes motor, is connected to machine shaft
On first gear 42 and with first gear 42 be sequentially connected second gear 42, machine shaft, first gear 42 and second
The axial direction of gear 42 is vertical；Strut 3, which is worn, to be connect in second gear 42, and strut 3 wears the part connect in second gear 42
It is threadedly coupled with strut 3, strut 3 is gone up and down when motor drives second gear 42 to rotate.
Embodiment three
As shown in Fig. 2, deflector 2 includes several hinged flow deflectors 21 with bracket 1, it is dynamic that flow deflector 21 is connected with swing
Power part swings the pitch angle that force piece is used to adjust flow deflector 21.When several flow deflectors 21 change pitch angle, deflector 2
Change taper, the air entered from lower manhole can circulate to spherical tank internal perisporium and middle part well, inflammable and explosive in spherical tank
Gas or dust can export with the wind well.
Flow deflector 21 can be set square piece or contour body, and deflector 2 is in pyramid type or circle when several flow deflectors 21 are assembled
Taper.Several flow deflectors 21 close up, be formed by deflector 2 cone angle it is smaller when, two neighboring flow deflector 21 stacks.
As depicted in figs. 1 and 2, swinging force piece includes that the lead screw 51 being flexibly connected with bracket 1 and 51 activity of lead screw connect
The nut 52 connect and several connecting rods 53 around the axial circle distribution of nut 52,53 both ends of connecting rod are respectively articulated with nut 52
And flow deflector 21；The bottom on one end of separate nut 52 on the sliding of about 52 nut and several flow deflectors 21 when lead screw 51 rotates
It is dynamic.
Mechanism for driving lead screw 51 to go up and down can be set are as follows: worm screw is provided on lead screw 51, worm screw is connected with turbine
54；The bottom on one end of separate nut 52 on the sliding of about 52 nut and several flow deflectors 21 when turbine 54 drives worm screw rotation
It is dynamic.
Mechanism for driving lead screw 51 to go up and down can be set are as follows: first bevel gear 42, the first cone are provided on lead screw 51
Gear 42 is connected with second bevel gear 42；If second bevel gear 42 drive first bevel gear 42 rotate when about 52 nut slide and
One end on dry flow deflector 21 far from nut 52 is swung up and down.
Turbine 54 is connected with second-hand 55, and about 52 nut slides and several when second-hand drives turbines 54 to rotate 55
One end on flow deflector 21 far from nut 52 is swung up and down.
Second-hand is connected with the second dial 55, and the second dial is used to mark the pitch angle for reading flow deflector 21, that is, leads
The taper of flowing plate 2.
The flow deflector 21 implemented in three can have following implementation:
Example IV
Bracket 1 includes main frame, the strut 3 of tubulose and the lifting drive part for controlling the lifting of strut 3, several water conservancy diversion
Piece 21 is distributed in 3 upper end of strut around the axial circumference of strut 3, and lead screw 51, which is worn, to be connect in strut 3 and be flexibly connected with strut 3；It rises
It drops several flow deflectors 21 when force piece control strut 3 is gone up and down and swings force piece lifting.
The deflector 2 that cone angle can be changed and can be gone up and down is set, and the air entered from lower manhole can be preferably to ball
Tank internal perisporium and middle part are circulated, and inner wall and middle part, which are flowed, in spherical tank powerful, constant wind, without dead angle are led in spherical tank
The set wind of wind direction is flowed, the flammable explosive gas or dust in spherical tank can completely, rapidly water conservancy diversion out.
Above embodiments are only to illustrate the technical solution of the utility model and are not intended to limit it, all without departing from this
Any modification of utility model spirit and scope or equivalent replacement should all cover the range in technical solutions of the utility model
It is interior.
Claims (8)
1. a kind of ventilation guiding device, it is characterised in that: including bracket (1) and the deflector (2) being connected on bracket (1),
The deflector (2) is tapered；The bracket (1) includes for connecting the strut of deflector (2) (3) and for controlling support
The lifting drive part of bar (3) lifting, strut (3) and lifting drive part are sequentially connected；The deflector (2) include it is several with branch
The hinged flow deflector (21) of frame (1), flow deflector (21) are connected with swing force piece, swing force piece for adjusting flow deflector (21)
Pitch angle.
2. a kind of ventilation guiding device according to claim 1, it is characterised in that: the lifting drive part includes that setting exists
Rack gear (41) on strut (3) and the gear (42) being connected on bracket (1), gear (42) rotate hour rack (41) and strut
(3) it goes up and down.
3. a kind of ventilation guiding device according to claim 2, it is characterised in that: the gear (42) is connected with first-hand
(43), first-hand handle (43) band moving gear (42) rotation hour rack (41) and strut (3) lifting.
4. a kind of ventilation guiding device according to claim 3, it is characterised in that: the first-hand handle (43) is connected with
One dial, the first dial are used to mark the adjustable height for reading strut (3).
5. a kind of ventilation guiding device according to claim 1, it is characterised in that: the swing force piece includes and bracket
(1) lead screw (51) being flexibly connected, the nut (52) that is flexibly connected with lead screw (51) and around nut (52) axial direction circle distribution
Several connecting rods (53), connecting rod (53) both ends are respectively articulated with nut (52) and flow deflector (21)；Spiral shell when lead screw (51) rotates
Female (52) slide up and down and one end on several flow deflectors (21) far from nut (52) is swung up and down.
6. a kind of ventilation guiding device according to claim 5, it is characterised in that: be provided with snail on the lead screw (51)
Bar, worm screw are connected with turbine (54)；Turbine (54) drive worm screw rotation when nut (52) up and down sliding and several flow deflectors (21)
Upper one end far from nut (52) is swung up and down.
7. a kind of ventilation guiding device according to claim 6, it is characterised in that: the turbine (54) is connected with second-hand
(55), nut (52) is slid up and down and on several flow deflectors (21) far from spiral shell when (55) are driven turbine (54) rotation by second-hand
The one end of female (52) is swung up and down.
8. a kind of ventilation guiding device according to claim 5, it is characterised in that: several flow deflectors (21) are around strut
(3) axial circumference is distributed in strut (3) upper end, and lead screw (51), which is worn, to be connect in strut (3) and be flexibly connected with strut (3)；It rises
Several flow deflectors (21) and swing force piece lifting when force piece control strut (3) lifting are dropped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688391.4U CN208503943U (en) | 2018-05-09 | 2018-05-09 | A kind of ventilation guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820688391.4U CN208503943U (en) | 2018-05-09 | 2018-05-09 | A kind of ventilation guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503943U true CN208503943U (en) | 2019-02-15 |
Family
ID=65298610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820688391.4U Withdrawn - After Issue CN208503943U (en) | 2018-05-09 | 2018-05-09 | A kind of ventilation guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413248A (en) * | 2018-05-09 | 2018-08-17 | 广东省特种设备检测研究院珠海检测院 | A kind of ventilation guiding device |
| CN114431622A (en) * | 2022-01-28 | 2022-05-06 | 青岛科技大学 | Ventilation retractable shoe rack |
-
2018
- 2018-05-09 CN CN201820688391.4U patent/CN208503943U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413248A (en) * | 2018-05-09 | 2018-08-17 | 广东省特种设备检测研究院珠海检测院 | A kind of ventilation guiding device |
| CN114431622A (en) * | 2022-01-28 | 2022-05-06 | 青岛科技大学 | Ventilation retractable shoe rack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190215 Effective date of abandoning: 20211227 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190215 Effective date of abandoning: 20211227 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |