CN202478451U - Combined multistage air exhaustion device driven by multiple powers - Google Patents
Combined multistage air exhaustion device driven by multiple powers Download PDFInfo
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- CN202478451U CN202478451U CN2011205436305U CN201120543630U CN202478451U CN 202478451 U CN202478451 U CN 202478451U CN 2011205436305 U CN2011205436305 U CN 2011205436305U CN 201120543630 U CN201120543630 U CN 201120543630U CN 202478451 U CN202478451 U CN 202478451U
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Abstract
The utility model discloses a combined multistage air exhaustion device driven by multiple powers. The combined multistage air exhaustion device comprises a carrier, wherein a rotary lifting mechanism is arranged on the carrier; a combined air exhaustion unit is fixedly arranged on the rotary lifting mechanism; two automatic air pipe connection mechanisms are also arranged on the carrier; a control system is also arranged on the carrier, and is connected with the combined air exhaustion unit; the combined air exhaustion unit is fixedly arranged together by combining not less than two air exhaustion machines; not less than one air exhaustion machine is integrated on each row of the combined air exhaustion unit; an outer cover air cylinder, a water supply pipeline and a water mist nozzle are shared by all air exhaustion machines. The combined multistage air exhaustion device driven by multiple powers disclosed by the utility model has huge exhaust air rate with a certain air exhaustion device volume.
Description
Technical field
The utility model belongs to the fire plant technical field, relates to one kind of multiple power-actuated multistage combined air exhausting devices.
Background technology
Because the continuous quickening of urbanization process and modernized industrial revolution, the leakage accident of various large-sized fires and hazardous chemical happens occasionally.And this type accident is often followed a large amount of inflammable, explosive and toxic gas and smog, and Field Force and surrounding environment are caused huge harm, and brings great difficulty and risk to fire attack and field rescue.According to statistics, there are the personnel more than 85% dead in the fire, the people who burns to death far more than fire because of sucking toxic smog.The most effectively the measure of putting out a fire to save life and property is malleation or the ventilation and negative pressure ventilation equipment that adopts with thin water smoke at present.And for super-huge fire, petrochemical industry fire particularly, like large-scale accidents such as blowout, natural gas leakings, existing various exhaust blower is all not enough because of its exhaust air rate, makes poor effect.
As everyone knows, in order to increase the exhaust air rate of exhaust blower, just must strengthen the effective power of exhaust blower; Thereby the feasible power that drives the power set of exhaust blower also must strengthen thereupon; But along with the volume and weight of its power set of increasing of power also is multiplied, and all at present exhaust blowers are all installed power set, and fan is installed on the output shaft of power set; Will make power set hinder air intake like this; Thereby the diameter of the increasing exhaust machine air duct of just having to, but because the height of portable air exhausting device and width receive the national legislation restriction, its height must not be above 4 meters; Width must not surpass 2.5 meters, thereby has greatly limited the exhaust air rate of exhaust blower.
Therefore make a general survey of the domestic and international at present various vehicular fire-fighting air draft equipment of producing, comprise and be known as the maximum MVU280 type France product smoke exhauster truck of exhaust air rate in the world today, the also ultra only 280000m of its exhaust air rate at present
3/ h, and because the restriction of car load appearance and size, even adopt the less single aero-engine of volume as Power Drive Unit, its exhaust air rate also is difficult to break through 600000m
3Therefore/h can't satisfy ventilation fast and effectively, smoke evacuation, cooling, the dedusting of super-huge fire and petrochemical industry major accident and change needs such as scene of a fire direction.
Summary of the invention
The purpose of the utility model is to provide one kind of multiple power-actuated multistage combined air exhausting devices, and under the situation of air exhausting device given volume, exhaust air rate is big.
The technical scheme that the utility model adopts is; One kind of multiple power-actuated multistage combined air exhausting devices comprise carrier, and carrier is provided with rotation and lifting mechanism; Be installed with combined type air draft unit in the rotation and lifting mechanism; Also be provided with one or more airduct automatic connecting mechanisms on the carrier, airduct automatic connecting mechanism one end is fixed on the fixed-piping of carrier, and the exhaust blower on the other end of airduct automatic connecting mechanism and the combined type air draft unit is movably connected; Also be provided with the control system on the carrier, the control system is connected with combined type air draft unit; Combined type air draft unit is to be fixedly installed togather by the exhaust blower combination that is no less than two, and every row is no less than an exhaust blower set and forms, and all exhaust blowers are provided with shared outer cover air duct, supply channel and mist-generating nozzle; Outer cover air duct exhaust outlet place is provided with the mist-generating nozzle that links to each other with supply channel; Each exhaust blower comprises the power set, the air duct that are no less than one, be no less than one support, be no less than one fan, rectification mechanism, be no less than one blade mounting disc, be no less than one cone gear, be no less than one flabellum changement; Specifically; Power set are fixedly mounted on the air duct shaft core position through support; Fan is formed by being no less than 3 flabellums, and flabellum comprises blade, blade handle, steady pin, and blade pass crosses steady pin and the blade handle fuses; And through the blade mounting disc flabellum is fixed on the output shaft of power set, and the conical tooth of blade handle tail is meshing with each other with the cone gear that is fixed on the power set output shaft; Rectification mechanism is installed at the exhaust outlet place of air duct, and the flabellum changement is installed on the output shaft of adjacent two power set; The control system comprises wireless controller and receiving system, and receiving system links to each other with each power set in the combined type air draft unit; Power set are to adopt small aero or adopt small-sized hydraulic motor or small-sized common engine or small-sized common electric machine.
The characteristic of the utility model also is,
Mist-generating nozzle becomes 10 °～20 ° angles with the axis of exhaust blower.
The airduct automatic connecting mechanism comprises sliding support, executing agency or power drive mechanism, fixed support, anterior joint, compression spring, O-ring seal, stop cover, flexible return bar, joint flexible pipe, rear portion joint and scalable ventilation duct; On the anterior joint of airduct automatic connecting mechanism O-ring seal is installed; And fuse through compression spring, stop cover, flexible return bar, joint flexible pipe and rear portion joint; The rear portion joint links to each other with fixed-piping on the carrier through scalable ventilation duct, and sliding support links to each other with rear portion joint, fixed support, executing agency or power drive mechanism respectively; Executing agency or power drive mechanism are to carry out cylinder or oil cylinder or motor drives rack structure.
The front end of anterior joint is a taper shape, and O-ring seal is arranged on anterior joint middle part.
The flabellum changement is made up of frictional disk, fixed support axle, pull bar, 2 horizontal electric push rods, vertical electric pushrods; Specifically; Vertical electric pushrod and pull bar are hinged and connected, and pull bar slides with the fixed support axle and links to each other, and frictional disk links to each other with the slip of fixed support axle and keeps at a distance with the cone gear afterbody; 2 horizontal electric push rods link to each other with frictional disk; The fixed support axle is fixedly connected with air duct, the central lines of fixed support axle axial line and adjacent two power set, and the two ends of fixed support axle and adjacent two power set output shaft end faces have the gap.
The structure of frictional disk is tooth or friction plate.
The utility model compared with prior art, its remarkable advantage: (1) midget plant combination high-power, volume is little; In light weight, power is little, and security is good; 2 power set that are no less than that reliability is high are installed in respectively in the air duct of same exhaust blower, drive simultaneously to be no less than two fans, produce significant pressurized effect; Outlet wind speed that the more important thing is exhaust blower increases greatly; The exhaust air rate of exhaust blower is greatly improved, and the experimental data proof can increase the exhaust air rate more than 30%, and the exhaust blower volume does not increase.(2) will be no less than the combination of 2 exhaust blowers integrated after, can satisfy vehicle-mounted needs and the laws and regulations requirement of physical dimension, the while has also formed the super high power air exhausting device.Like the air duct diameter is the single exhaust blower of 800mm, and when adopting a power set job (220 volts of voltages, 6500 rev/mins of rotating speeds, power 10KW), exhaust air rate is less than 8 myriametres
3/ hour.Adopt the utility model, use the identical parameters power set, the exhaust air rate of single exhaust blower increases to the 10-20 myriametre rapidly
3/ hour.And for example (car load appearance and size is no more than wide 2.5 meters under requiring satisfying the mobile unit national legislation; High 4 meters), the exhaust blower of employing diameter 800mm is by two exhaust blowers of every row; Integratedly up and down be combined into four exhaust blowers; Constitute the multistage combined air exhausting device that the multiple power set of level Four 16 nuclears (16 power set, level Four fans) drive, its exhaust air rate can reach 800,000-100 myriametres
3/ hour more than, be the whole world exhaust air rate of maximum smoke evacuation car more than 3 times at present, can satisfy to greatest extent under various large-sized fires and the emergency management and rescue varying environment the needs of air blast, ventilate like large tracts of land, smoke evacuation, lower the temperature, particularly change the wind direction in the scene of a fire etc.(3) control is simpler, and efficient is higher: even if same volume, exhaust air rate is bigger.Simultaneously because power set such as hydraulic motor that conventional exhaust blower uses; Various engines (comprising aero-engine) and device powered by conventional energy; Himself volume and weight increases along with the increase of exhaust air rate, and efficient is low, is difficult to satisfy the requirement of small-sized efficient.Its principle of multistage combined air exhausting device and version that the multiple power set that the utility model adopts drive then have the not available advantage of above-mentioned power set.It can use that the various power set of smaller size smaller, smaller power realize after multistage permutation and combination that the cumulative volume of power set is littler, general power and exhaust air rate are bigger, thereby for the midget plant combination realizes the development and the application of high-power high wind air draft equipment effective new way is provided.(4) solved the difficult problem of rapid large-area chemistry decontamination.(5) same air exhausting device can be realized different functions simultaneously: will be no less than that 2 independent exhaust blower is integrated to be combined into a high-power air exhausting device; Realized the function of midget plant high-power; And can be according to all or part of rapid adjustment fan blade of the actual conditions in scene of a fire angle; The different exhaust blower that turns round at the same time or separately, thereby on same air exhausting device, can realize the function of positive draft at the same time or separately and negative pressure exhausting, thus fully satisfy various large-sized fires and on-the-spot smoke evacuation, cooling, ventilation, the dedusting of oil and gas leakage; The large tracts of land decontamination, even change the needs of fire-fighting fire extinguishing and emergency management and rescue under the various varying environments such as wind direction.
Description of drawings
Fig. 1 is the structural representation of the multiple power-actuated multistage combined air exhausting device of the utility model.
Fig. 2 is the sketch map as a result of single exhaust blower in the multiple power-actuated multistage combined air exhausting device of the utility model.
Fig. 3 is level Four in the multiple power-actuated multistage combined air exhausting device of the utility model, four exhaust blower combination sketch mapes.
Fig. 4 is the structural representation of combined type air draft unit in the multiple power-actuated multistage combined air exhausting device of the utility model.
Fig. 5 is the structural representation of flabellum in the multiple power-actuated multistage combined air exhausting device of the utility model.
Fig. 6 is the structural representation of the multiple power-actuated multistage combined air exhausting device airduct automatic connecting mechanism of the utility model.
Fig. 7 is the multiple power-actuated multistage combined air exhausting device flabellum changement sketch map of the utility model.
Among the figure, 1. combined type air exhausting device, 2. combined type air draft unit, 3. rotation and lifting mechanism, 4. control system, 5. carrier; 6. exhaust blower, 7. outer cover air duct, 8. supply channel, 9. mist-generating nozzle, 10. power set, 11. fans; 12. air duct, 13. supports, 14. rectification mechanisms, 15. blade mounting discs, 16. wireless controllers, 17. receiving systems; 18. airduct automatic connecting mechanism, 19. fixed-pipings, 20. sliding supports, 21. executing agencies or power drive mechanism, 22. fixed supports, 23. anterior joints, 24. compression springs; 25. the joint flexible pipe, 26 rear portion joints, 27. scalable ventilation ducts, 28. steady pins, 29. flabellum changements, 30. blade handles; 31. cone gear, 32. frictional disks, 33. fixed support axles, 34. pull bars, 35. horizontal electric push rods; 36. vertical electric pushrod, 37. O-ring seals, 38. flexible return bars, 39. stop covers, 40. blades.
The specific embodiment
Be example in four exhaust blower combinations and each exhaust blower 4 power set to be installed below, the utility model be elaborated in conjunction with the accompanying drawing and the specific embodiment.
The overall structure of the multiple power-actuated multistage combined air exhausting device of the utility model, of Fig. 1, combined type air exhausting device 1 is included in combined type air draft unit 2, rotation and lifting mechanism 3, airduct automatic connecting mechanism 18 and the control system 4 on the carrier 5.Specifically, combined type air draft unit 2 is fixedly mounted in the rotation and lifting mechanism 3, and rotation and lifting mechanism 3 tops and combined type air draft unit 2 are hinged, thereby makes that combined type air draft unit 2 can be realized rotating, the function of pitching and up-down; The bottom of rotation and lifting mechanism 3 is fixedly mounted on portable or the fixed carrier 5.Also be provided with airduct automatic connecting mechanism 18 on the carrier 5; Airduct automatic connecting mechanism 18 quantity are no less than 1; One end of airduct automatic connecting mechanism 18 is fixedly connected with fixed-piping 19 on the carrier 5; Air duct 12 on the other end and the exhaust blower 6 is movably connected, thereby can realize being dynamically connected certainly of exhaust blower 6 pipelines as required.On carrier 5, also be provided with control system 4, control system 4 can be that controlled in wireless also has the line traffic control system, and the utility model adopts wireless control system, and it comprises wireless controller 16 and receiving system 17.Wherein, receiving system 17 is connected with combined type air draft unit 2 and control combination formula air draft unit 2.
In conjunction with Fig. 1-Fig. 5, combined type air draft unit 2 comprises 4 exhaust blowers 6, outer cover air duct 7, supply channel 8 and the mist-generating nozzle 9 that interfixes and be installed together; Wherein, the setting of 4 exhaust blowers 6 is to adopt every row that 2 exhaust blowers 6 are set, and the two rows set is formed.The air outlet place of 4 exhaust blowers 6 that integrate is provided with outer cover air duct 7.In conjunction with Fig. 2, Fig. 5 and Fig. 7, each exhaust blower 6 comprises four power set 10, air duct 12, four supports 13, four fans 11, rectification mechanism 14, flabellum changement 29, four cone gears 31 and four blade mounting discs 15.Detailed says, four power set 10 are fixedly mounted on respectively on the front and back position of axial line of air duct 12 through four supports 13 respectively, and each power set 10 are connected with receiving system 17, and four 13 on supports are fixedly mounted on the inwall of air duct 12; Fan 11 comprises blade 40, blade handle 30 and steady pin 28; Detailed says; Blade 40 fuses through steady pin 28 and blade handle 30; And respectively blade 40 is fixed on the output shaft of four power set 10 through 4 blade mounting discs 15; And the conical tooth of blade handle 30 afterbodys be fixed on four cone gears 31 on power set 10 output shafts and be meshing with each other, thereby the angle of blade 40 that therefore can be through adjustment fan 11 makes exhaust blower 6 have the function of malleation blowing and negative pressure exhausting.The structure of each flabellum changement 29 is as shown in Figure 7; Comprise frictional disk 32, fixed support axle 33, pull bar 34, horizontal electric push rod 35, vertical electric pushrod 36; Detailed says, fixed support axle 33 is installed on the inwall of air duct 12, and the central lines of fixed support axle 33 axial lines and adjacent power set 10; Fixed support axle 33 two ends respectively with adjacent power set 10 output shaft end faces at a distance of certain distance; Vertical electric pushrod 36 1 ends are fixed on the fixed support axle 33, and the other end and pull bar 34 are hinged, and the other end of pull bar 34 slides with fixed support axle 33 and links to each other; Frictional disk 32 is installed in the two ends of fixed support axle 33 respectively and can slides along fixed support axle 33; Cone gear 31 is installed on the output shaft of power set 10, and is meshed with tooth on the blade handle 30, and horizontal electric push rod 35 is fixedly linked with frictional disk 32.In conjunction with Fig. 2, the exhaust outlet place of air duct 12 is installed with rectification mechanism 14, and rectification mechanism 14 is fixedly linked with the inwall of air duct 12; In conjunction with Fig. 4; One end of supply channel 8 communicates with press water, and the other end then links to each other with mist-generating nozzle 9, and supply channel 8 is fixedly installed on the outer wall in air duct 12 exits; Mist-generating nozzle 9 then stretches into air duct 12 inside, and becomes 12 °～20 ° with the axis of air duct 12.
In conjunction with Fig. 1 and Fig. 6; Airduct automatic connecting mechanism 18 comprises sliding support 20, executing agency or power drive mechanism 21, fixed support 22, anterior joint 23, compression spring 24, O-ring seal 37, stop cover 39, flexible return bar 38; Joint flexible pipe 25, rear portion joint 26 and scalable vent hose 27; Wherein executing agency or power drive mechanism 21 can be to carry out cylinder, oil cylinder or motor drives rack structure.And the front end of anterior joint 23 is taper shapes, and the position is provided with an O-ring seal 37 therebetween, makes anterior joint 23 behind flexible return bar 38, to move certain distance through compression spring 24, and is overlapped 39 spacing by stop.Detailed says, on the anterior joint 23 O-ring seal 37 is installed, and fuses with rear portion joint 26 through compression spring 24, stop cover 39, flexible return bar 38, joint flexible pipe 25; The other end of rear portion joint 26 and scalable ventilation duct 27 are fixedly connected, and rear portion joint 26 bottoms and sliding support 20 are fixedly linked; Fixed-piping 19 on the other end of scalable ventilation duct 27 and the carrier 5 is fixedly connected; Sliding support 20 slides with fixed support 22 on being fixed on carrier 5 and links to each other; The power drive of executing agency or power drive mechanism 21 partly is installed on the fixed support 22, and running part is installed on the sliding support 20.
In the air duct 12 of same exhaust blower 6 four groups of fan 11 rotation directions opposite, the air draft direction is consistent, in combined type air draft unit 2, chopped-off head fan 11 rotation directions of adjacent rows blower fan 6 are on the contrary, but the air draft direction is consistent.
The use of the multiple power-actuated multistage combined air exhausting device of the utility model is; Through pressing the corresponding button of wireless controller 16 in the control system 4; Receiving system 17 is received signal; And the power set 10 that are installed on the support 13 are worked; Thereby make through blade mounting disc 15 to be fixed on fans 11 runnings on power set 10 outputs, thereby air is sucked air duct 12 and forms the high velocity air of supercharging step by step, get in the outer cover air ducts 7 through the rectification mechanism on each exhaust blower 6 14 again; Outer simultaneously confession press water gets into mist-generating nozzles 9 through supply channel 8 and sprays in the outer cover air duct 7, and forms thin jet spray with high velocity air collision cutting, last spout ejection by outer cover air duct 7; Through pressing wireless controller 16 associated button, can be through pitching, rotation and the up-down of rotation and lifting mechanism 3 control combination formula air draft units 2.
When needs carry out negative pressure exhausting situation; Press the action button of two airduct automatic connecting mechanisms 18 respectively; Executing agency or power drive mechanism 21 drive sliding support 20 and drive scalable ventilation duct 27 to the motion of blower fan place, and when anterior joint 23 contacts with air duct 12 ports, anterior joint 23 will compress spring 24 compressions gradually along the axis direction of flexible return bar 38; Thereby the O-ring seal 37 on the anterior joint 23 is joined with air duct 12 port sealings; And because anterior joint 23 is connected with flexible return bar 38 empty covers, certain clearance is arranged therebetween, so anterior joint 23 can be adjusted the connection angle with air duct 12 ports automatically; Make itself and air duct 12 port sealings good; After anterior joint 23 and stop cover 39 contact, can stop the power of executing agency or power drive mechanism 21 this moment automatically, thereby guarantee being tightly connected of anterior joint 23 and air duct 12 ports; When the needs counter motion, the return button that only needs to press the lower air conduit automatic connecting mechanism gets final product.
Change the wind direction of exhaust blower 6 if desired; At first press the action button of vertical electric pushrod 36; Vertical electric pushrod 36 orders about pull bar 34 motions; And drive frictional disk 32 slides to both sides respectively along fixed support axle 33 axis; Thereby the friction member that makes frictional disk 32 and be loaded on the power set 10 output axle heads closely contacts, and presses the action button of horizontal electric push rod 35 then, and horizontal electric push rod 35 drives frictional disks 32 and driving power device 10 output shafts and rotates to an angle around self axis; And the cone gear 31 that is fixed on power set 10 output shafts is rotated to an angle accordingly; Make each blade handle 30 Rotate 180 degree through the transmission between gear simultaneously, and each the blade handle 30 that is installed in the blade mounting disc 15 makes blade 40 corresponding Rotate 180 degree through steady pin 28, thereby realize the switch operation of blade 40.Only need press reversing button during return gets final product.
Best through evidence the utility model combined type air exhausting device effect under scenario:
Operating angle: pitching up and down-5 °～+ 35 °, horizontally rotate 0 °～360 °,
Nozzle becomes 12 °～20 ° with the exhaust blower axis,
Press water flow: 4～7 (l/s).
Claims (6)
1. one kind of multiple power-actuated multistage combined air exhausting devices; It is characterized in that; Comprise carrier (5); Carrier (5) is provided with rotation and lifting mechanism (3), is installed with combined type air draft unit (2) in the rotation and lifting mechanism (3), also is provided with one or more airduct automatic connecting mechanisms (18) on the said carrier (5); Said airduct automatic connecting mechanism (18) one ends are fixed on the fixed-piping (19) of carrier (5); Exhaust blower (6) on the other end of said airduct automatic connecting mechanism (18) and the combined type air draft unit (2) is movably connected, and also is provided with control system (4) on the carrier (5), and control system (4) is connected with combined type air draft unit (2);
Described combined type air draft unit (2) is to be fixedly installed togather by the exhaust blower that is no less than two (6) combination; And every row is no less than an exhaust blower (6) set and forms, and all exhaust blowers (6) are provided with shared outer cover air duct (7), supply channel (8) and mist-generating nozzle (9); Said outer cover air duct (7) exhaust outlet place is provided with the mist-generating nozzle (9) that links to each other with supply channel (8); Each described exhaust blower (6) comprises the power set (10), the air duct (12) that are no less than one, be no less than one support (13), be no less than one fan (11), rectification mechanism (14), be no less than one blade mounting disc (15), be no less than one cone gear (31), be no less than one flabellum changement (29); Specifically; Described power set (10) are fixedly mounted on air duct (12) shaft core position through support (13); Said fan (11) is formed by being no less than 3 flabellums; Flabellum comprises blade (40), blade handle (30), steady pin (28); Said blade (40) fuses through steady pin (28) and blade handle (30), and through blade mounting disc (15) flabellum is fixed on the output shaft of power set (10), and the conical tooth of blade handle (30) afterbody is meshing with each other with the cone gear (31) that is fixed on power set (10) output shaft; Rectification mechanism (14) is installed at the exhaust outlet place of said air duct (12), and described flabellum changement (29) is installed on the output shaft of adjacent two power set (10);
Said control system (4) comprises wireless controller (16) and receiving system (17), and said receiving system (17) links to each other with each power set (10) in the combined type air draft unit (2); Described power set (10) are to adopt small aero or adopt small-sized hydraulic motor or small-sized common engine or small-sized common electric machine.
2. multiple power-actuated multistage combined air exhausting device according to claim 1 is characterized in that, said mist-generating nozzle (9) becomes 10 °～20 ° angles with the axis of exhaust blower (6).
3. multiple power-actuated multistage combined air exhausting device according to claim 1; It is characterized in that said airduct automatic connecting mechanism (18) comprises sliding support (20), executing agency or power drive mechanism (21), fixed support (22), anterior joint (23), compression spring (24), O-ring seal (37), stop cover (39), flexible return bar (38), joint flexible pipe (25), rear portion joint (26) and scalable ventilation duct (27); O-ring seal (37) is installed on the anterior joint of said airduct automatic connecting mechanism (18) (23); And fuse through compression spring (24), stop cover (39), flexible return bar (38), joint flexible pipe (25) and rear portion joint (26); Said rear portion joint (26) links to each other with fixed-piping (19) on the carrier (5) through scalable ventilation duct (27), and described sliding support (20) links to each other with rear portion joint (26), fixed support (22), executing agency or power drive mechanism (21) respectively; Said executing agency or power drive mechanism (21) are to carry out cylinder or oil cylinder or motor drives rack structure.
4. multiple power-actuated multistage combined air exhausting device according to claim 3 is characterized in that the front end of said anterior joint (23) is a taper shape, and said O-ring seal (37) is arranged on anterior joint (23) middle part.
5. multiple power-actuated multistage combined air exhausting device according to claim 1; It is characterized in that; Described flabellum changement (29) is made up of frictional disk (32), fixed support axle (33), pull bar (34), 2 horizontal electric push rods (35), vertical electric pushrod (36); Specifically; Described vertical electric pushrod (36) is hinged and connected with pull bar (34), and described pull bar (34) slides with fixed support axle (33) and links to each other, and described frictional disk (32) links to each other with fixed support axle (33) slip and keeps at a distance with said cone gear (31) afterbody; Described 2 horizontal electric push rods (35) link to each other with frictional disk (32); Described fixed support axle (33) is fixedly connected with air duct (12), the central lines of fixed support axle (33) axial line and adjacent two power set (10), and the two ends of fixed support axle (33) and adjacent two power set (10) output shaft end face have the gap.
6. according to the described multiple power-actuated multistage combined air exhausting device of claim 5, it is characterized in that the structure of described frictional disk (32) is tooth or friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205436305U CN202478451U (en) | 2011-12-16 | 2011-12-16 | Combined multistage air exhaustion device driven by multiple powers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205436305U CN202478451U (en) | 2011-12-16 | 2011-12-16 | Combined multistage air exhaustion device driven by multiple powers |
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| CN202478451U true CN202478451U (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011205436305U Expired - Fee Related CN202478451U (en) | 2011-12-16 | 2011-12-16 | Combined multistage air exhaustion device driven by multiple powers |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920267A (en) * | 2013-01-16 | 2014-07-16 | 陈明谷 | Smoke discharge spray gun |
| CN104088243A (en) * | 2014-06-19 | 2014-10-08 | 武汉市汉福专用车有限公司 | Spraying dust settling truck |
| CN110548243A (en) * | 2019-09-29 | 2019-12-10 | 明光浩淼安防科技股份公司 | multifunctional smoke-discharging high-power foam fire extinguishing and extinguishing device |
| CN111228700A (en) * | 2020-03-12 | 2020-06-05 | 苏州瑞奇安机电科技有限公司 | Fire control induced-draft fan tuber pipe docking mechanism, fire control unit and fire engine of discharging fume |
-
2011
- 2011-12-16 CN CN2011205436305U patent/CN202478451U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920267A (en) * | 2013-01-16 | 2014-07-16 | 陈明谷 | Smoke discharge spray gun |
| CN103920267B (en) * | 2013-01-16 | 2016-08-10 | 陈明谷 | Son is taken aim in smoke evacuation |
| CN104088243A (en) * | 2014-06-19 | 2014-10-08 | 武汉市汉福专用车有限公司 | Spraying dust settling truck |
| CN104088243B (en) * | 2014-06-19 | 2015-12-30 | 武汉市汉福专用车有限公司 | Spraying dust pressing car |
| CN110548243A (en) * | 2019-09-29 | 2019-12-10 | 明光浩淼安防科技股份公司 | multifunctional smoke-discharging high-power foam fire extinguishing and extinguishing device |
| CN111228700A (en) * | 2020-03-12 | 2020-06-05 | 苏州瑞奇安机电科技有限公司 | Fire control induced-draft fan tuber pipe docking mechanism, fire control unit and fire engine of discharging fume |
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