CN101737356A - Axial flow fan - Google Patents
Axial flow fan Download PDFInfo
- Publication number
- CN101737356A CN101737356A CN200910265317A CN200910265317A CN101737356A CN 101737356 A CN101737356 A CN 101737356A CN 200910265317 A CN200910265317 A CN 200910265317A CN 200910265317 A CN200910265317 A CN 200910265317A CN 101737356 A CN101737356 A CN 101737356A
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- blade
- axial
- flow blower
- axial flow
- fan
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Abstract
The invention relates to an axial flow fan. A blade pedestal hole on a hub of the axial flow fan is an annular groove; a blade pedestal has a cylindrical shape which is matched with the annular groove; the area of a disk of a blade handle shaft is increased along with the increment of the area of the blade pedestal; a blade is a forged aluminum alloy blade; a blade bolt between the blade and the blade handle shaft is a large-size high-strength bolt; and the connection strength of the blade and the blade handle shaft is enhanced by changing the shapes of the blade pedestal hole for mounting the blade, the blade handle shaft and the blade pedestal, so that the operation of the fan is safer and more reliable. The invention also provides a blade angle adjusting device, which can adjust the operating angle of the blade once according to the machine needing to be stopped or at any time by a hydraulic system in the operational process. The axial flow fan effectively solves the problems that in the current mining axial flow main fan, the connection strength of the blade and the blade handle shaft is insufficient, the blade and the blade bolt are broken caused by fatigue and the like. At the same time, the axial flow fan can meet the requirement of digital mine construction on high-degree automatic control of the fan.
Description
Technical field
The present invention relates to the axial-flow blower that a kind of worker of being used for, the suction and discharge of ore deposit enterprise and gas circulation are used, relate in particular to a kind of mine adjustable axial main fan of fan blade operating angle of waste gas under the pump-drainage well outward that is used for.
Background technique
Generally be connected between the blade base of existing mine shafts streaming main fan and the petiole shaft by bolt, in conjunction with illustrated in figures 1 and 2, the blade base aperture 3 that is used to install blade 16 on the axial fan hub 17 is conical, it is conical that corresponding blade base 1 also is, and causes its area of contact certainty with the petiole shaft disk less than normal.The specification and the quantity of the bolt hole of offering on the blade base 12 all are restricted, feasible specification and the quantity that is used for fixing the blade bolt of blade 16 and petiole shaft disk also is restricted, enough big connection power can't be provided, cause this kind blower fan to show blade 16 and petiole shaft in actual use, i.e. the join strength deficiency of blade 16 and wheel hub 17.Simultaneously, existing blade 16 all adopts the aluminium alloy vane casting to form, because the defective of casting technique self and casting material self-characteristic have determined it when the waste gas of the mine down-hole of conveying high humidity and air-flow shakiness, blade 16 and blade bolt very easily produce fatigue, blade 16 and blade bolt fracture phenomenon often occur, brought great potential safety hazard for the safety in production of mine.Trace it to its cause and can be summed up as: the junction surface between blade base 1 and the petiole shaft disk is less, specification and quantity that being used to of offering on the blade base 1 connects blade 16 and the bolt hole 2 of petiole shaft disk all are restricted, and make the blade bolt that enough big connection power can't be provided.
In addition, the blade angle of existing axial-flow blower is fixed unadjustable usually or can only be stopped back a slice a slice at blower fan and regulates, can't be according to actual needs the operating angle of adjusting vane at any time, be difficult to satisfy at present and the mine construction of digitizing is in the future controlled the requirement of increasingly automated control to blower fan.
Summary of the invention
The object of the invention is to provide a kind of axial-flow blower, by changing the shape that is used to install blade base aperture, blade base and the petiole shaft disk of blade on the wheel hub, change the material and the processing technology of blade, change specification, quantity and the distributing position of blade bolt, the correspondingly-sized of the petiole shaft disk of change and blade base joint makes blade more firm with being connected of petiole shaft.A kind of blade angle controlling device also is provided simultaneously, can shuts down as required that machinery is once transferred the operating angle of blade or the operating angle of adjusting vane at any time as required in the blower fan working procedure.
For achieving the above object, the technical solution adopted in the present invention is: a kind of axial-flow blower comprises blade, is installed on petiole shaft in the wheel hub and the high strength blade bolt that is used to connect blade and petiole shaft.The blade base aperture that is used to install blade on the described wheel hub is an annular rounded groove, the blade base be with described annular rounded groove match cylindric.Change the cylndrical surface into by the conical surface that will have axial-flow blower wheel hub blade base aperture now, reserve bigger space for the blade base, the area of contact of blade base and petiole shaft disk is bigger, the specification and the quantity of the bolt hole of offering on the blade base all have a distinct increment, thereby more blade bolt can be installed, and the diameter of blade bolt is also bigger.Therefore, be connected the connection power that can provide enough between improved blade and the petiole shaft, promptly guaranteed the intensity that blade is connected with wheel hub, thereby can guarantee the safety in production of mine.
Described axial-flow blower comprises the blade angle controlling device, described blade angle controlling device comprise the regulating arm that is installed on petiole shaft the inner, the slide block that links to each other with regulating arm, can be along the adjusting axle of rotor axial translation, be fixedly connected on adjustment disk on the adjusting axle, be arranged at the chute of adjustment disk outer rim and be installed on the rotor and pass the guide rod of adjustment disk; Described adjustment disk can move axially along guide rod, and described slide block is movably connected in the chute.When needs adjusting vane angle, adjusting axle is moved axially, because the restriction of guide rod, adjustment disk can only move axially along guide rod, and the chute of adjustment disk outer rim drives slide block movement, and under the effect of slide block, regulating arm and blade will be done corresponding the rotation.
Described adjusting axle is controlled it by the mode of hydraulic-pressure pump and is moved axially distance, realizes can controlling as required in the axial-flow blower running operating angle of blade in good time.In like manner, adjusting axle also can adopt mechanical type to regulate way, and promptly adjusting axle is the nut that links to each other with leading screw, and when leading screw rotated, adjusting axle moved axially along leading screw.
For further strengthening the intensity of blade, the blade of described axial-flow blower adopts aluminium alloy vane to forge and forms.
The present invention is with respect to the beneficial effect of prior art:
1, changes the cylndrical surface into by the conical surface that will have the blade base aperture that is used to install blade on the axial-flow blower wheel hub now, reserve bigger space for the blade base, the part area of contact that the blade base is linked to each other with petiole shaft is bigger, more blade bolt can be installed, and the diameter of blade bolt is also bigger.Therefore, be connected the connection power that can provide enough between improved blade and the petiole shaft, promptly guaranteed the intensity that blade is connected with wheel hub, thereby can guarantee the safety in production of mine.
2, the blade angle controlling device make axial-flow blower shut down as required machinery once transfer blade operating angle or on-stream can be as required the operating angle of adjusting vane at any time, thereby can satisfy of the requirement of digitizing mine construction to the increasingly automated control of blower fan.
3, the blade that adopts forging to form has higher intensity and toughness, thereby can avoid the fatigue fracture phenomenon of blade.
Description of drawings
Fig. 1 is an axial-flow blower wheel hub blade base aperture structural representation in the prior art;
Fig. 2 is an axial-flow blower blade structure schematic representation in the prior art;
Fig. 3 is an axial-flow blower wheel hub blade base aperture structural representation of the present invention;
Fig. 4 is an axial-flow fan blade structural representation of the present invention;
Fig. 5 is a blade angle controlling device structural representation of the present invention.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
To shown in Figure 4, the blade base aperture 4 that is used to install blade 16 on the axial-flow blower wheel hub 17 of the present invention is annular rounded groove in conjunction with Fig. 1, blade base 5 be with described annular rounded groove match cylindric.Change the cylndrical surface into by the conical surface that will have axial-flow blower wheel hub blade base aperture 3 now, reserve bigger space for blade base 5, the part area of contact that blade base 5 links to each other with petiole shaft disk 15 is bigger, the diameter of the bolt hole of offering on the blade base 56 is bigger, quantity is also more, more blade bolt 13 can be installed, and the diameter of blade bolt 13 is also bigger.Therefore, can strengthen the intensity that wheel hub 17 is connected with blade 16 by improving blade 16 greatly with Placement between the petiole shaft 14, safety coefficient is than original Placement raising several times.
Blade angle controlling device as described in Figure 5, it comprise the regulating arm 11 that is installed on petiole shaft 14 the inners, the slide block 10 that links to each other with regulating arm 11, can be along the adjusting axle 9 of rotor axial translation, be fixedly connected on adjustment disk 12 on the adjusting axle 9, be arranged at the chute 7 of adjustment disk 12 outer rims and be installed on the rotor and pass the guide rod 8 of adjustment disk 12; Described slide block 10 is movably connected in the chute 7.When needing the angle of adjusting vane 16, adjusting axle 9 is moved axially, because the restriction of guide rod 8, adjustment disk 12 can only move axially along guide rod 8, the chute 7 of adjustment disk 12 outer rims drives slide block 10 motions, and under the effect of slide block 10, regulating arm 11 will be done corresponding the rotation with blade 16.Described adjusting axle 9 is controlled it by the mode of hydraulic-pressure pump and is moved axially distance, realize in the axial-flow blower running can be as required the operating angle of adjusting vane at any time.In like manner, adjusting axle 9 also can adopt mechanical type to regulate way, and promptly adjusting axle 9 is the nut that links to each other with leading screw, and when leading screw rotated, adjusting axle 9 moved axially along leading screw.
The invention is not restricted to the foregoing description; to those skilled in the art, any conspicuous improvement that the above embodiment of the present invention is made or change can not exceed the embodiments of the invention that only illustrate by way of example and the protection domain of claims.
Claims (5)
1. axial-flow blower, the blade bolt (13) that comprises blade (16), is installed on the petiole shaft (14) in the wheel hub (17) and is used to connect blade (16) and petiole shaft (14), it is characterized in that: the blade base aperture (4) that is used to install blade (16) on the described wheel hub (17) is an annular rounded groove, blade base (5) be with described annular rounded groove match cylindric.
2. axial-flow blower as claimed in claim 1, it is characterized in that: described axial-flow blower comprises the blade angle controlling device, described blade angle controlling device comprise be installed on the inner regulating arm (11) of petiole shaft (14), the slide block (10) that links to each other with regulating arm (11), can along the adjusting axle (9) of rotor axial translation, be fixedly connected on adjusting axle (9) adjustment disk (12), be arranged at the chute (7) of adjustment disk (12) outer rim and be installed on the rotor and pass the guide rod (8) of adjustment disk (12); Described adjustment disk (12) can move axially along guide rod (8), and described slide block (10) is movably connected in the chute (7).
3. axial-flow blower as claimed in claim 2 is characterized in that: it moves axially distance to described adjusting axle (9) by Pump Control.
4. axial-flow blower as claimed in claim 2 is characterized in that: the nut of described adjusting axle (9) for linking to each other with leading screw, adjusting axle (9) can move axially along leading screw along with the rotation of leading screw.
5. as the arbitrary described axial-flow blower of claim 1 to 4, it is characterized in that: the blade of described axial-flow blower (16) is for forging the aluminium alloy vane that forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265317A CN101737356A (en) | 2009-12-29 | 2009-12-29 | Axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265317A CN101737356A (en) | 2009-12-29 | 2009-12-29 | Axial flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101737356A true CN101737356A (en) | 2010-06-16 |
Family
ID=42461259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910265317A Pending CN101737356A (en) | 2009-12-29 | 2009-12-29 | Axial flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101737356A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162469A (en) * | 2011-04-14 | 2011-08-24 | 四川振强模锻有限公司 | Aluminum blade of fan and manufacturing technology thereof |
| CN107313967A (en) * | 2017-07-13 | 2017-11-03 | 浙江双阳风机有限公司 | A kind of convection rotary type axial flow fan with adjustable moving blades |
| CN109477494A (en) * | 2016-07-14 | 2019-03-15 | 巴鲁法蒂股份公司 | For cooling down the pre-assembled blade of the fan of machine/vehicle cooling fluid and being equipped with the fan of the blade |
| CN111473001A (en) * | 2020-04-30 | 2020-07-31 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
-
2009
- 2009-12-29 CN CN200910265317A patent/CN101737356A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162469A (en) * | 2011-04-14 | 2011-08-24 | 四川振强模锻有限公司 | Aluminum blade of fan and manufacturing technology thereof |
| CN102162469B (en) * | 2011-04-14 | 2013-07-03 | 四川振强模锻有限公司 | Aluminum blade of fan and manufacturing technology thereof |
| CN109477494A (en) * | 2016-07-14 | 2019-03-15 | 巴鲁法蒂股份公司 | For cooling down the pre-assembled blade of the fan of machine/vehicle cooling fluid and being equipped with the fan of the blade |
| CN109477494B (en) * | 2016-07-14 | 2020-11-06 | 巴鲁法蒂股份公司 | Preassembled blade of a fan for cooling a cooling fluid of a machine/vehicle and fan fitted with said blade |
| CN107313967A (en) * | 2017-07-13 | 2017-11-03 | 浙江双阳风机有限公司 | A kind of convection rotary type axial flow fan with adjustable moving blades |
| CN107313967B (en) * | 2017-07-13 | 2024-01-30 | 浙江双阳风机有限公司 | Axial flow fan with adjustable counter-rotating movable blades |
| CN111473001A (en) * | 2020-04-30 | 2020-07-31 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
| CN111473001B (en) * | 2020-04-30 | 2021-07-02 | 山东恒洋风机有限公司 | Anti-surge durable efficient mining fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: NOVENCO FAN (BEIJING) CO., LTD. Free format text: FORMER OWNER: LI HONGYE Effective date: 20110127 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20110127 Address after: 100006 A722, Century Towers,, 99 Wangfujing Avenue, Beijing, Dongcheng District Applicant after: NUOWENKE BLOWER FAN (BEIJING) CO., LTD. Address before: 100006 A722, Century Towers,, 99 Wangfujing Avenue, Beijing, Dongcheng District Applicant before: Li Hongye |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100616 |