CN104132005B - A kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof - Google Patents
A kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof Download PDFInfo
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- CN104132005B CN104132005B CN201410385270.9A CN201410385270A CN104132005B CN 104132005 B CN104132005 B CN 104132005B CN 201410385270 A CN201410385270 A CN 201410385270A CN 104132005 B CN104132005 B CN 104132005B
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Abstract
nullThe present invention discloses a kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof，Wherein blower fan includes rotor、The impeller being installed on rotor、Deflection cone、Cooling fan and clamp nut，The hypomere portion of deflection cone is connected together with the upper end thread of rotor，Cooling fan is installed on the lower end of rotor，Clamp nut is installed on rotor and is positioned at the position above cooling fan，The upper surface depression of impeller is formed with the first counterweight screws hole，Integrally formed with the first counterweight ring on the lower surface of impeller，On the lower surface of cooling fan, depression is formed with the second counterweight screws hole，The circumference of clamp nut is formed the 3rd counterweight screws hole，Rotor is positioned on the position in the middle of impeller and clamp nut integrally formed with the second counterweight ring，First counterweight screws and the second counterweight screws are installed in the first counterweight screws hole，In the second counterweight screws hole, the 3rd counterweight screws is installed，In the 3rd counterweight screws hole, the 4th counterweight screws is installed.
Description
Technical field:
The present invention relates to a kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof, it belongs to mechanical technique
Field.
Background technology:
Blower fan rotor is its core component, and when blower fan is properly functioning, rotor rotates with the speed of more than 30,000 rpms.
Due to material, processing, assemble equal error, rotor just installed necessarily has certain unbalanced (in quality
Mandrel is misaligned with geometrical central axis), this will cause rotor to produce centrifugal force in rotary course.Therefore, fill at rotor
First it must be carried out counterweight balance after having joined (to test on dynamic balancing machine, then deduct some quality in some position
Or increase some quality, to ensure that its residual unbalance, is in an acceptable indication range).If rotor
Residual unbalance, be not reaching to design objective in the range of, it will causing the most serious vibration, even resulting in cannot work
Make.It is thus desirable to have employed a set of more unique counterweight balance method, it is ensured that the residual unbalance, of rotor is up to standard.
Summary of the invention:
The present invention solves above-mentioned prior art problem, it is provided that a kind of blower fan being capable of rotor counterweight balance and counterweight thereof
Balance method.
The present invention adopts the following technical scheme that a kind of blower fan being capable of rotor counterweight balance, and it includes rotor, installation
Impeller, deflection cone, cooling fan and clamp nut on rotor, the hypomere portion of described deflection cone is arranged in impeller
After centre bore, the upper end thread with rotor is connected together, and described cooling fan is installed on the lower end of rotor, described tightly
Gu nut is installed on rotor and is positioned at the position above cooling fan, the upper surface depression of described impeller is formed with several
First counterweight screws hole, integrally formed with the first counterweight ring on the lower surface of described impeller, the lower surface of described cooling fan
Upper depression is formed with several the second counterweight screws holes, the circumference of described clamp nut is formed several from described tightly
The 3rd counterweight screws hole formed Gu the outer surface of nut caves inward, is positioned in impeller and clamp nut on described rotor
Between position on integrally formed with the second counterweight ring, be provided with in described first counterweight screws hole the first counterweight screws and/
Or second counterweight screws, in described second counterweight screws hole, the 3rd counterweight screws is installed, in described 3rd counterweight screws
Hole is provided with the 4th counterweight screws.
Further, the lower surface of described cooling fan is positioned at the position inside described second counterweight screws hole to be provided with
Running through the through hole of cooling fan upper and lower end face, position relative with through hole on described clamp nut is formed with screw, in institute
State and through hole and screw are provided with screw with together with being installed on clamp nut by described cooling fan.
Further, described second counterweight ring includes two altogether, and one of them is located close to the side of impeller, another
It is located close to the side of clamp nut.
Further, described first counterweight screws hole equidistantly arranges along same circumferencial direction on the upper surface of impeller.
Further, described second counterweight screws hole is equidistantly arranged along same circumferencial direction on the lower surface of cooling fan
Row.
Further, described 3rd counterweight screws hole equidistantly arranges in the circumference of clamp nut.
The present invention also adopts the following technical scheme that the counterweight balance method of a kind of blower fan being capable of rotor counterweight balance,
It comprises the steps:
1). rotor, impeller, deflection cone and clamp nut are installed on together, need in the first counterweight according to practical situation
Screw hole installs the first counterweight screws to play effect of gain, need the spy at the first counterweight ring according to practical situation simultaneously
Grinding is passed through to play loss of weight effect in fixed place；
2). need to be made to play loss of weight by grinding in specific place according to practical situation on the second counterweight ring of rotor
With；
3). need to install the second counterweight screws in the first counterweight screws hole according to practical situation, simultaneously according to practical situation
Need to install the 4th counterweight screws in the 3rd counterweight screws hole；
4). above-mentioned mounted rotor, impeller, deflection cone and clamp nut are dismantled；
5). again rotor, impeller, deflection cone and clamp nut being installed in blower fan, the lower end at rotor is pacified simultaneously
Dress cooling fan；
6). need to adjust the position of the second counterweight screws according to practical situation, need to join second according to practical situation simultaneously
Weight screw hole is installed the 3rd counterweight screws.
There is advantages that counterweight balance method of the present invention is by impeller, rotor, fastening
Counterweight screws or counterweight ring is configured, by weightening finish or loss of weight and then wind can effectively be ensured on nut and cooling fan
The counterweight balance of machine rotor.
Accompanying drawing illustrates:
Fig. 1 is the structural representation that the present invention is capable of the blower fan of rotor counterweight balance.
Fig. 2 is the local structural graph in Fig. 1.
Fig. 3 is another local structural graph in Fig. 1.
Wherein:
1-rotor；2-impeller；3-deflection cone；4-the first counterweight ring；5-cools down fan；6-clamp nut；7-the 3rd counterweight
Screw；8-screw；9-the 4th counterweight screws；10-the second counterweight ring；11-key；20-the first counterweight screws hole；21-first
Counterweight screws；22-the second counterweight screws；50-the second counterweight screws hole；51-through hole；60-screw；61-the 3rd counterweight spiral shell
Nail.
Detailed description of the invention:
Refer to shown in Fig. 1, blower fan of the present invention includes rotor 1；The impeller 2 being installed on rotor 1；And deflection cone 3.
Wherein the central shaft hole of impeller 2 matches with rotor 1, and wherein the central shaft hole of impeller 2 aligns with armature spindle, impeller 2
Load to rotor 1 direction, then by key 11, impeller 2 is mounted on rotor 1.On the upper surface of impeller 2
Equidistantly cave in along same circumferencial direction and be formed with several the first counterweight screws holes 20, in this first counterweight screws hole
First counterweight screws 21 and/or the second counterweight screws 22, wherein the first counterweight screws 21 and the second counterweight is installed in 20
Screw 22 can be positioned in the first different counterweight screws holes 20 respectively, it is also possible to first counterweight screws 21 occurs
It is installed on the situation in a counterweight screws hole 20, now the second counterweight screws 22 with second counterweight screws 22 simultaneously
Being positioned at the top of the first counterweight screws 21, the first counterweight screws 21 and the second counterweight screws 22 select according to actual needs
The number installed and position and then play the effect of weightening finish.Integrally formed with one first counterweight ring 4 on the lower surface of impeller 2,
Select according to actual needs on first counterweight ring 4 carry out grinding in specific place and then play the effect of loss of weight.Deflection cone
The hypomere portion of 3 is connected together with the upper end thread of rotor 1 after being arranged in the centre bore of impeller 2.
The lower end of rotor 1 is provided with a cooling fan 5, is positioned at the position above cooling fan 5 and screws on rotor 1
One clamp nut 6 (on its rotor 1 be screw-like with clamp nut 6 mated position) is installed, at cooling fan 5
Lower surface on equidistantly cave in along same circumferencial direction and to be formed with several the second counterweight screws holes 50, second join at this
Being provided with the 3rd counterweight screws 7 in weight screw hole 50, wherein the 3rd counterweight screws 7 selects the individual of installation according to actual needs
Number and position and then play the effect of weightening finish.The lower surface of cooling fan 5 is positioned at inside the second counterweight screws hole 50
Position be provided with one run through cooling fan 5 upper and lower end face through hole 51, relative with through hole 51 on clamp nut 6
Position be formed one with screw 60, from cool down fan 50 lower surface on screw into screw in through hole 51 and screw 60
8 and then together with cooling fan 5 is mounted on clamp nut 6.The circumference of clamp nut 6 is equidistantly formed
The outer surface having several Self-fastening nuts 6 cave inward formed the 3rd counterweight screws hole 61, in the 3rd counterweight screws hole
Being provided with the 4th counterweight screws 9 in 61, wherein the 4th counterweight screws 9 selects number and the position installed according to actual needs
And then play the effect of weightening finish.
It is positioned at integrally formed with two the second counterweight rings 10 on the position in the middle of impeller 2 and clamp nut 6 on rotor 1, its
In a side being located close to impeller 2 in these two the second counterweight rings 10, another is located close to clamp nut 6
Side, two the second counterweight rings 10 select to carry out grinding in specific place and then play loss of weight according to actual needs
Effect.
The present invention realizes the method for rotor counterweight balance and comprises the steps:
1). rotor 1, impeller 2, deflection cone 3 and clamp nut 6 are installed on together, need the according to practical situation
One counterweight screws hole 20 installs the first counterweight screws 21 to play effect of gain, need the according to practical situation simultaneously
The specifically side of one counterweight ring 4 passes through grinding to play loss of weight effect；
2). need to pass through grinding to rise in specific place according to practical situation on two the second counterweight rings 10 of rotor 1
To loss of weight effect；
3). need to install the second counterweight screws 22 in the first counterweight screws hole 20 according to practical situation, simultaneously according to reality
Border situation needs to install the 4th counterweight screws 9 in the 3rd counterweight screws hole 61；
4). above-mentioned mounted rotor 1, impeller 2, deflection cone 3 and clamp nut 6 are dismantled；
5). again rotor 1, impeller 2, deflection cone 3 and clamp nut 6 are installed in blower fan, simultaneously at rotor 1
Lower end install cooling fan 5；
6). need to adjust the position of the second counterweight screws 2 according to practical situation, need second according to practical situation simultaneously
Counterweight screws hole 50 is installed the 3rd counterweight screws 7.
Counterweight balance method of the present invention is by configuring counterweight on impeller, rotor, clamp nut and cooling fan
Screw or counterweight ring, by weightening finish or loss of weight and then the counterweight balance that can effectively ensure blower fan rotor.
The above is only the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, some improvement can also be made under the premise without departing from the principles of the invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (7)
1. being capable of a blower fan for rotor counterweight balance, it includes rotor (1), the leaf being installed on rotor (1)
Wheel (2), deflection cone (3), cooling fan (5) and clamp nut (6), the hypomere portion of described deflection cone (3) wears
After being located at the centre bore of impeller (2), the upper end thread with rotor (1) is connected together, described cooling fan (5)
Being installed on the lower end of rotor (1), described clamp nut (6) is installed on rotor (1) and above and is positioned at cooling fan (5)
The position of top, it is characterised in that: the upper surface depression of described impeller (2) is formed with several the first counterweight screws holes
(20), integrally formed with the first counterweight ring (4) on the lower surface of described impeller (2), described cooling fan (5)
On lower surface, depression is formed with several the second counterweight screws holes (50), being upwardly formed in week of described clamp nut (6)
There is the 3rd counterweight screws hole (61) of several formation that cave inward from the outer surface of described clamp nut (6), described
It is positioned at integrally formed with the second counterweight ring (10) on the position in the middle of impeller (2) and clamp nut (6) on rotor (1),
In described first counterweight screws hole (20), the first counterweight screws (21) and/or the second counterweight screws (22) are installed,
In described second counterweight screws hole (50), the 3rd counterweight screws (7) is installed, in described 3rd counterweight screws hole (61)
In the 4th counterweight screws (9) is installed.
A kind of blower fan being capable of rotor counterweight balance, it is characterised in that: described cold
But the position being positioned at described second inner side, counterweight screws hole (50) on the lower surface of fan (5) is provided through cooling down wind
The through hole (51) of fan (5) upper and lower end face, is formed in the upper position relative with through hole (51) of described clamp nut (6)
There is screw (60), described through hole (51) and screw (60) are provided with screw (8) with by described cooling fan (5)
Together with being installed on clamp nut (6).
A kind of blower fan being capable of rotor counterweight balance, it is characterised in that: described second
Counterweight ring (10) includes two altogether, and one of them is located close to the side of impeller (2), and another is located close to tightly
Gu the side of nut (6).
A kind of blower fan being capable of rotor counterweight balance, it is characterised in that: described first
Counterweight screws hole (20) equidistantly arranges along same circumferencial direction on the upper surface of impeller (2).
A kind of blower fan being capable of rotor counterweight balance, it is characterised in that: described second
Counterweight screws hole (50) equidistantly arranges along same circumferencial direction on the lower surface of cooling fan (5).
A kind of blower fan being capable of rotor counterweight balance, it is characterised in that: the described 3rd
Counterweight screws hole (61) equidistantly arranges in the circumference of clamp nut (6).
7. the counterweight balance method of the blower fan being capable of rotor counterweight balance, it is characterised in that: comprise the steps
1). rotor (1), impeller (2), deflection cone (3) and clamp nut (6) are installed on together, according to reality
Situation need in the first counterweight screws hole (20) in install the first counterweight screws (21) to play effect of gain, root simultaneously
The specifically side at the first counterweight ring (4) is needed to pass through grinding to play loss of weight effect according to practical situation；
2). on second counterweight ring (10) of rotor (1) according to practical situation need specific local by grinding with
Play loss of weight effect；
3). the second counterweight screws (22), root simultaneously are installed in needing in the first counterweight screws hole (20) according to practical situation
4th counterweight screws (9) is installed in needing in the 3rd counterweight screws hole (61) according to practical situation；
4). above-mentioned mounted rotor (1), impeller (2), deflection cone (3) and clamp nut (6) are dismantled；
5). again rotor (1), impeller (2), deflection cone (3) and clamp nut (6) are installed in blower fan, with
Time rotor (1) lower end install cooling fan (5)；
6). need to adjust the position of the second counterweight screws (22) according to practical situation, need according to practical situation simultaneously
Second counterweight screws hole (50) is installed the 3rd counterweight screws (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385270.9A CN104132005B (en) | 2014-08-06 | 2014-08-06 | A kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385270.9A CN104132005B (en) | 2014-08-06 | 2014-08-06 | A kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104132005A CN104132005A (en) | 2014-11-05 |
| CN104132005B true CN104132005B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410385270.9A Active CN104132005B (en) | 2014-08-06 | 2014-08-06 | A kind of blower fan being capable of rotor counterweight balance and counterweight balance method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104132005B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712381A (en) * | 2016-12-19 | 2017-05-24 | 南京磁谷科技有限公司 | Magnetic suspension motor rotor cooling fan fixation structure |
| CN117470440A (en) * | 2023-02-28 | 2024-01-30 | 中国航发湖南动力机械研究所 | Method for measuring residual unbalance of dynamic balance of rotor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454576Y (en) * | 2000-12-22 | 2001-10-17 | 郑宝红 | Self-suction cooling type fire-fighting smoke-exhausting fan |
| CN1793672A (en) * | 2006-01-05 | 2006-06-28 | 林奇文 | On-site balancing method for centrifugal fan impeller |
| RU2372594C1 (en) * | 2008-04-10 | 2009-11-10 | Открытое акционерное общество Научно-производственное объединение "Искра" | Balancing method of assembled rotor |
| CN202297720U (en) * | 2011-10-25 | 2012-07-04 | 赵慧芳 | High-temperature long-shaft fan |
| CN202746281U (en) * | 2012-07-18 | 2013-02-20 | 无锡杰尔压缩机有限公司 | High-speed rotor structure of centrifugal blower |
| RU2492364C1 (en) * | 2012-03-30 | 2013-09-10 | Открытое акционерное общество Научно-производственное объединение "Искра" | Method to balance flexible rotor shaft |
| CN204061346U (en) * | 2014-08-06 | 2014-12-31 | 南京磁谷科技有限公司 | A kind of blower fan that can realize rotor counterweight balance |
-
2014
- 2014-08-06 CN CN201410385270.9A patent/CN104132005B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2454576Y (en) * | 2000-12-22 | 2001-10-17 | 郑宝红 | Self-suction cooling type fire-fighting smoke-exhausting fan |
| CN1793672A (en) * | 2006-01-05 | 2006-06-28 | 林奇文 | On-site balancing method for centrifugal fan impeller |
| RU2372594C1 (en) * | 2008-04-10 | 2009-11-10 | Открытое акционерное общество Научно-производственное объединение "Искра" | Balancing method of assembled rotor |
| CN202297720U (en) * | 2011-10-25 | 2012-07-04 | 赵慧芳 | High-temperature long-shaft fan |
| RU2492364C1 (en) * | 2012-03-30 | 2013-09-10 | Открытое акционерное общество Научно-производственное объединение "Искра" | Method to balance flexible rotor shaft |
| CN202746281U (en) * | 2012-07-18 | 2013-02-20 | 无锡杰尔压缩机有限公司 | High-speed rotor structure of centrifugal blower |
| CN204061346U (en) * | 2014-08-06 | 2014-12-31 | 南京磁谷科技有限公司 | A kind of blower fan that can realize rotor counterweight balance |
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| Publication number | Publication date |
|---|---|
| CN104132005A (en) | 2014-11-05 |
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Address after: 211102 No.99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |