CN2357161Y - Side shifting type axial-flow ventilating fan for mine - Google Patents
Side shifting type axial-flow ventilating fan for mine Download PDFInfo
- Publication number
- CN2357161Y CN2357161Y CN 97245585 CN97245585U CN2357161Y CN 2357161 Y CN2357161 Y CN 2357161Y CN 97245585 CN97245585 CN 97245585 CN 97245585 U CN97245585 U CN 97245585U CN 2357161 Y CN2357161 Y CN 2357161Y
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- CN
- China
- Prior art keywords
- fan
- blower fan
- diffuser
- retracting cylinder
- side shifting
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a side shifting type axial-flow ventilating fan for mine, which mainly relates to a ventilating fan for mine. The side shifting type axial-flow ventilating fan for mine comprises a front connecting cylinder, a back connecting cylinder, and a two-stage fan, wherein, the front connecting cylinder is respectively connected with an air return cylinder and a flow collector, the back connecting cylinder is connected with a diffuser and a diffusing tower, and the two-stage fan is connected in series between the flow collector and the diffuser. The side shifting type axial-flow ventilating fan for mine is characterized in that two fans which are connected with each other in parallel are fixed on a flat car, a track is vertical to the axis of the two fans, and the flat car is arranged on the track. One end of a front telescopic cylinder is connected with an air outlet of the flow collector, and the other end is connected with an air inlet of a front fan. One end of a back telescopic cylinder is connected with an air outlet of a back fan, and the other end is connected with an air inlet of the diffuser. The utility model overcomes the defects of the prior art, has the advantages of simple structure, convenient use and maintenance, small occupation of land and less investment, and saves power consumption.
Description
The utility model belongs to field of fluid machinery, and the electrical category product relates generally to mine fan.
The mining propeller fan of prior art all adopts the major axis kind of drive, and this drive mechanism requires must build the serpentine air channel in the Fan Inlet vertical plane, and the long pass moving axis of blower fan wears out with motor from this serpentine air channel first half and links to each other.According to the rules, mine main fan must be installed in parallel same model, with two of the blower fans of power, and one of a job is standby.This just requires mine return air cave outlet the level of building to divide wind arch trouble, connects with between " S " road enters the mouth two at the fork air lock system and lift and driven equipment respectively are set on the air channel.The exhaust outlet of every typhoon machine is all built a retention tower by laying bricks or stones, and outlet communicates with atmosphere.When working fan turns round, the air lock system of standby fan puts down, seal it and connect distinguished and admirable in air channel, main airstream then is horizontal serpentine streamline when undue wind arch branches off like this, wind circulation is crossed and is then produced bigger drag losses when level and vertical two serpentines turn round, generally to account for the 10-15% of main fan working pressure, cause bigger waste of energy.The air lock system sealing is relatively poor, causes certain surface air leakage and increases the operation air quantity of working fan, causes bigger waste of energy equally.Therefore, prior art exists: (1), blower fan apparatus complex structure, operation and maintenance and maintenance inconvenience.(2), blower fan apparatus takes up an area of manyly, engineering work load is big, disposable construction investment is big.(3), air flue structure is unreasonable, distinguished and admirablely turns round manyly, air lock system sealing difference and leaking out all causes bigger waste of energy.
The purpose of this utility model provides a kind of defective that overcomes prior art, simple in structure, use and easy to maintenance, take up an area of less, the mining propeller fan of investment side shifting type little, energy efficient.
The utility model comprises respectively the preceding connecting cylinder that is connected with slip ring with the return air cave, back connecting cylinder is connected with retention tower with diffuser respectively, the two-stage blower fan is connected in series between slip ring and the diffuser, it is characterized in that two blower fans are fixed on the flatcar, the axis normal of track and two blower fans, flatcar is placed on the track, front stretching tube one end connects the exhaust outlet of slip ring, the intake grill of blower fan before the other end connects, back retracting cylinder one end connects the exhaust outlet of rear fan, and the other end connects the intake grill of diffuser.
Standby fan of the present utility model also is placed on the flatcar with the axis normal of two-stage blower fan, assembles with the two-stage fan parallel-connection.On the intake grill flange of I level blower fan flexible sealing ring is set, on the exhaust outlet flange of II level blower fan flexible sealing ring is set also, two sealing strips are separately positioned on the outside of forward and backward retracting cylinder.Connect guide rod on the flange circumference of front stretching tube, the guide rod the other end is by being fixed on the guide pin bushing on the slip ring circumference, spring is on the guide rod between slip ring and the front stretching tube, also connect guide rod on the flange circumference of back retracting cylinder, the guide rod the other end is by being fixed on the guide pin bushing on the diffuser circumference, and spring is on the guide rod between diffuser and the back retracting cylinder.Actuator is arranged on an end of track, and two position limit switches are separately positioned on the two ends of track, in the track between actuator and the blower fan axis positioning plate is set, and the two ends of positioning plate are provided with positioning hole.
The utility model adopts the side shifting type structural type of an only standby typhoon machine, compare with the mining propeller fan of major axis driving type of prior art, two typhoon machines can a shared main return, saved the preceding connecting cylinder of a cover, slip ring, diffuser, back connecting cylinder and retention tower, cancelled branch wind arch trouble, " S " road and the unnecessary local resistance loss that is connected the air channel and brings, air lock system and lift thereof have been eliminated, reduced the surface air leakage of blower fan apparatus, satisfying mine blast volume, under the condition that blast requires, the work static pressure and the operation air quantity of blower fan have been reduced, save a large amount of civil works investment and equipment investment, also saved a large amount of ventilation electricity charge.With NO26 type blower fan is example, and the comparable prior art of the utility model is saved civil engineering and equipment investment 80～1,000,000 yuan, year saves electricity charge can reach 16～200,000 yuan.
Below in conjunction with accompanying drawing the utility model is further described:
Fig. 1 is a structural representation of the present utility model, also is its most preferred embodiment.
Fig. 2 is a plan view of the present utility model;
The utility model is made up of preceding connecting cylinder 2, slip ring 4, preceding blower fan 6, rear fan 7, diffuser 10, back connecting cylinder 11, retracting cylinder 22 and 13, flatcar 17, actuator 35 and positioning plate 26 etc.Preceding connecting cylinder 2 links together return air cave 1 and slip ring 4.Slip ring 4 is made up of parts such as stationary magazine creel, handle 3, dowel bar 23, shift fork 24, guide rod 25, sealing strip 5, spring 20, guide pin bushing 21, retracting cylinder 22 and clamps 40.Guide pin bushing 21 is fixed on the flange of stationary magazine creel, guide rod 25 passes guide pin bushing 21 and spring 20 is welded on the flange of retracting cylinder 22, leave certain clearance between retracting cylinder 22 and stationary magazine creel flange, its outer surface is with fire-retardant flexible sealing band 5, adopt little flange screw on the flange of stationary magazine creel and retracting cylinder 22 at its two ends, make this gap reach sealing.When handle 3 during to the Zola, promptly rotatable dowel bar 23, drive shift fork 24, handle 3 and shift fork 24 spur the guide rod 25 of both sides simultaneously, retracting cylinder 22 is drawn back certain small distance left, make seal ring set on the flange of retracting cylinder 22 and the preceding blower fan 6 air intake flanges 19 produce certain clearance, make blower fan 6 can reach Side movement.Handle 3 may be stuck on the clamp 40, has locking ability, can not thread off in blower fan sidesway process.After opening handle 3 and removing external force, retracting cylinder 22 compresses seal ring 19 to the right under spring 20 effects, thereby plays the effect of strict seal, can not produce surface air leakage when making the blower fan running.Be respectively equipped with seal ring 19 and 16 on the flange of preceding blower fan 6 air intakes and rear fan 7 outlet air ends, the two-stage blower fan all adopts the motor and the impeller direct connection kind of drive, employing is to revolving or to string data blower fan grating structural type, base plate all adopts bolt to be connected on the flatcar 17.Diffuser 10 is by sealing strip 8, retracting cylinder 13, compositions such as guide pin bushing 14, guide rod 28, spring 15, handle 9, dowel bar 30, shift fork 29, clamp 31 and stationary magazine creel.Guide pin bushing 14 is fixed on the flange of stationary magazine creel, guide rod 28 passes guide pin bushing 14 and spring 15 is welded on the flange of retracting cylinder 13, leave certain clearance between retracting cylinder 13 and stationary magazine creel flange, its outer surface is with fire-retardant flexible sealing band 8, adopt little flange screw on the flange of stationary magazine creel and retracting cylinder 13 at its two ends, make this gap reach sealing.When handle 9 draws to the right, promptly rotatable dowel bar 30, driving shift fork 29 rotates synchronously with handle 9, handle 9 and shift fork 29 spur the guide rod 28 of both sides simultaneously, retracting cylinder 13 is drawn back certain small distance to the right, make seal ring set on the flange of retracting cylinder 13 and the rear fan 7 outlet air end flanges 16 produce certain clearance, make blower fan 7 can reach Side movement.Handle 9 may be stuck on the clamp 31, has locking ability, can not thread off in blower fan sidesway process.After opening handle 9 and removing external force, retracting cylinder 13 compresses seal ring 16 left under spring 15 effects, thereby plays the effect of strict seal, can not produce surface air leakage when making the blower fan running.Flatcar 17 is placed on the track 18, under the traction of actuator 35, can move along track 18.Position limit switch 27 and 33 at track 18 two ends is used to limit the mobile position of flatcar 17, and bearing pin 36 on the flatcar and the groove 38 on the positioning plate 26 are matched, and makes flatcar 17 accurate positionings reliable.Back connecting cylinder 11 links together diffuser 10 and retention tower 12.Standby fan 39 is fixed on the flatcar 17 too.
When working fan need be adjusted blade angle or maintenance, cut off the electricity supply by its electric control cubicle 34, flatcar alignment pin 36 is pulled up and put into stand-by through hole cover 37, pull handle 3 and 9, respectively retracting cylinder 22 and 13 is drawn back the two ends of working fan, produce the needed gap of blower fan sidesway.Start actuator 35 runnings by electric control cubicle 32, promptly standby fan 39 is moved on to the position of former working fan 6 and 7.In the moving process of flatcar 17, alignment pin 36 is slided with positioning plate 26, and when flatcar 17 triggers position limit switches 27 and makes actuator 35 outages, alignment pin 36 promptly falls into groove 38, thereby makes flatcar 17 location.After 39 runnings of electric control cubicle 32 startup standby fans, remove the latching force of handle 3 and 9, make retracting cylinder 22 and 13 compress standby fan, can running steady in a long-term.The utility model cuts off the power supply from working fan and starts the overall process of moving to standby fan, can finish in 5 minutes, satisfies the rules requirement fully.
The utility model can make two typhoon machine alternations, and standby, angle modulation and maintenance are simple to operate, easy to use, also can reach the purpose of uniform wear.In addition, lead device or blower fan 6 is changed into leading device after the utility model changes blower fan 7 into, its structural type, sidesway principle, sealing principle, localization method and operating method etc. are all same as described above.
Claims (5)
1, the mining propeller fan of a kind of side shifting type, comprise respectively the preceding connecting cylinder (2) that is connected with slip ring (4) with return air cave (1), back connecting cylinder (11) is connected with retention tower (12) with diffuser (10) respectively, I level blower fan (6) and II level blower fan (7) are connected in series between slip ring (4) and the diffuser (10), it is characterized in that blower fan (6) and (7) are fixed on the flatcar (17), track (18) and blower fan (6), (7) axis normal, flatcar (17) is placed on the track (18), retracting cylinder (22) one ends connect the exhaust outlet of slip ring (4), the other end connects the intake grill of blower fan (6), retracting cylinder (13) one ends connect the exhaust outlet of blower fan (7), and the other end connects the intake grill of diffuser (10).
2, the mining propeller fan of side shifting type according to claim 1 is characterized in that standby fan (39) also is placed on the flatcar (17) with the axis normal of blower fan (6), (7), with blower fan (6), (7) assembling in parallel.
3, the mining propeller fan of side shifting type according to claim 1, it is characterized in that on the intake grill flange of I blower fan (6) flexible sealing ring (19) being set, flexible sealing ring (16) is set on the exhaust outlet flange of II blower fan (7), and sealing strip (5) and sealing strip (8) are separately positioned on the outside of retracting cylinder (22) and retracting cylinder (13).
4, the mining propeller fan of side shifting type according to claim 3, it is characterized in that connecting guide rod (25) on the flange circumference of retracting cylinder (22), guide rod (25) the other end is by being fixed on the guide pin bushing (21) on slip ring (4) circumference, spring (20) is positioned on the guide rod (25) between slip ring (4) and the retracting cylinder (22), connect guide rod (28) on the flange circumference of retracting cylinder (13), guide rod (28) the other end is by being fixed on the guide pin bushing (14) on diffuser (10) circumference, and spring (15) is positioned on the guide rod (28) between diffuser (10) and the retracting cylinder (13).
5, the mining propeller fan of side shifting type according to claim 1, it is characterized in that actuator (35) is arranged on an end of track (18), position limit switch (27) and (33) are separately positioned on the two ends of track, in the track (18) between actuator (35) and the blower fan axis positioning plate (26) is set, the two ends of positioning plate (26) are provided with positioning hole (37) and (38).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97245585 CN2357161Y (en) | 1997-10-17 | 1997-10-17 | Side shifting type axial-flow ventilating fan for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97245585 CN2357161Y (en) | 1997-10-17 | 1997-10-17 | Side shifting type axial-flow ventilating fan for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2357161Y true CN2357161Y (en) | 2000-01-05 |
Family
ID=33954021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97245585 Expired - Fee Related CN2357161Y (en) | 1997-10-17 | 1997-10-17 | Side shifting type axial-flow ventilating fan for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2357161Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135323B (en) * | 2007-09-30 | 2010-12-01 | 湖南科技大学 | Energy-saving type mine main ventilator diffuser |
| CN110131186A (en) * | 2019-05-20 | 2019-08-16 | 河南省鑫豫风机有限公司 | Administer the ventilation equipment of haze |
| CN111520175A (en) * | 2020-06-15 | 2020-08-11 | 平安电气股份有限公司 | Switching device for main ventilator and standby ventilator of mine |
-
1997
- 1997-10-17 CN CN 97245585 patent/CN2357161Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101135323B (en) * | 2007-09-30 | 2010-12-01 | 湖南科技大学 | Energy-saving type mine main ventilator diffuser |
| CN110131186A (en) * | 2019-05-20 | 2019-08-16 | 河南省鑫豫风机有限公司 | Administer the ventilation equipment of haze |
| CN111520175A (en) * | 2020-06-15 | 2020-08-11 | 平安电气股份有限公司 | Switching device for main ventilator and standby ventilator of mine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |