CN106321444B - A kind of high-precision dynamic poise device for Roots air blower - Google Patents
A kind of high-precision dynamic poise device for Roots air blower Download PDFInfo
- Publication number
- CN106321444B CN106321444B CN201610924037.2A CN201610924037A CN106321444B CN 106321444 B CN106321444 B CN 106321444B CN 201610924037 A CN201610924037 A CN 201610924037A CN 106321444 B CN106321444 B CN 106321444B
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- China
- Prior art keywords
- impeller
- heavy burden
- balancing device
- hole
- burden ring
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
Abstract
The invention discloses a kind of high-precision dynamic poise devices for Roots air blower, including impeller and balancing device, balancing device is mounted on the both sides of impeller, it is equipped with cavity and first through hole in impeller, is equipped with spill seam allowance in the both sides of impeller, spill seam allowance connects balancing device, balancing device includes balance bottom plate, heavy burden ring and the second through-hole, the top of balance bottom plate is also flexibly connected with spill seam allowance, and balance bottom plate is equipped with the first connecting hole and the second connecting hole, and groove is equipped in heavy burden ring；The high-precision dynamic poise device of this Roots air blower, including impeller and balancing device, the both sides of impeller are equipped with spill seam allowance, and the distribution of weight of balancing device is uneven, when balancing device rotates to certain angle, dynamic balance of impeller is met the requirements, balancing device is fixedly attached on impeller again, it is simple to operate, without impeller demolition is got off, workload is reduced, and does not influence impeller shape.
Description
Technical field
The present invention relates to Roots blower technical field, a kind of specially high-precision for Roots air blower is dynamic flat
Weigh device.
Background technology
Roots blower, also referred to as roots blower are volume rotary blower, utilize two or three lobed rotors
It is performed relative motion in cylinder to compress and convey the rotary compressor of gas, Roots Blower Impeller is the core zero of wind turbine
Part, in high-speed rotation process if computing ballance correction is exceeded, gently if cause can unit vibration it is big, bearing service life is low, it is heavy then
Lead to serious accident, when Roots Blower Impeller amount of unbalance is undesirable, impeller is generally made using De-weight method
Dynamic balancing is up to standard, and general dynamic balancing process is as follows, and general dynamic balancing process substantially needs repeatedly to verify, so being frequently necessary to more
Secondary dismounting impeller drilling duplicate removal destroys although carrying out dynamic balance check by such method may be implemented requirement for dynamic balance
The original contour structures of vane rotor, influence appearance, while manufacturing procedure and heavy workload, and operating process is complicated.
Invention content
The purpose of the present invention is to provide a kind of high-precision dynamic poise devices for Roots air blower, have operation
It is simple and convenient, easy to operate and the advantages that do not influence shape, solve the problems of the prior art.
To achieve the above object, the present invention provides the following technical solutions：A kind of high-precision for Roots air blower
Dynamic poise device, including impeller and balancing device, balancing device are mounted on the both sides of impeller, and the impeller is internally provided with cavity
And first through hole, cavity are located at the outside of first through hole, first through hole is connected with transmission shaft, and the transmission shaft is located at the interior of impeller
Side is equipped with spill seam allowance in the both sides of the impeller, and spill seam allowance connects balancing device；The balancing device includes balance bottom
Plate, heavy burden ring and the second through-hole, second through-hole are located at the center of balancing device, and the bottom of the heavy burden ring is fixedly connected
Bottom plate is balanced, the top for balancing bottom plate is also flexibly connected with spill seam allowance, and the balance bottom plate is in cake shape, is balanced on bottom plate
Equipped with the first connecting hole and the second connecting hole, the first connecting hole and the second connecting hole are located at the both sides of heavy burden ring, heavy burden ring
In hollow cylindrical, the heavy burden ring includes the first heavy burden ring and the second heavy burden ring, and the first heavy burden ring is located at the second heavy burden ring
Inside forms groove, the bottom connection balance bottom plate of the groove, the balance bottom between the first heavy burden ring and the second heavy burden ring
Plate connects impeller.
Preferably, the minus first heavy burden ring and the second heavy burden ring stretch into spill seam allowance.
Preferably, first connecting hole and the second connecting hole are circular through hole, the diameter of the first connecting hole and
The diameter of second connecting hole is identical.
Preferably, the cross section of the groove is ellipse, and the center of circle of groove is located at the side of heavy burden ring center.
Preferably, the distribution of weight of the balancing device is uneven, and balancing device passes through screw connection impeller.
Compared with prior art, beneficial effects of the present invention are as follows：The high-precision dynamic balancing of this Roots air blower fills
It sets, including impeller and balancing device, the both sides of impeller are equipped with spill seam allowance, and the distribution of weight of balancing device is uneven, works as balance
When device rotates to certain angle, dynamic balance of impeller is met the requirements, then balancing device is fixedly attached on impeller, easy to operate
It is convenient, without impeller demolition gets off, workload is reduced, and do not influence impeller shape.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic top plan view of the present invention；
Fig. 3 is the installation effect figure of the present invention.
In figure：1 impeller, 11 cavitys, 12 first through hole, 13 spill seam allowances, 2 balancing devices, 21 balance bottom plates, 211 first
Connecting hole, 212 second connecting holes, 22 heavy burden rings, 221 first heavy burden rings, 222 second heavy burden rings, 223 grooves, 23 second through-holes,
3 transmission shafts.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, a kind of high-precision dynamic poise device for Roots air blower, including impeller 1 and balance
Device 2, balancing device 2 are mounted on the both sides of impeller 1, and impeller 1 is internally provided with cavity 11 and first through hole 12, cavity 11 is arranged
Mitigate the weight of impeller 1, reduce power consumption, cavity 11 is located at the outside of first through hole 12, and first through hole 12 is connected with transmission
Axis 3 is equipped with key on transmission shaft 3, and transmission shaft 3 rotates impeller 1 and rotates, and air draught and air draft process are completed in the rotation of impeller 1, are passed
Moving axis 3 is located at the inside of impeller 1, is equipped with spill seam allowance 13 in the both sides of impeller 1, threaded hole, spill are equipped at spill seam allowance 13
Seam allowance 13 is in circular ring shape on the side of impeller 1, and spill seam allowance 13 passes through screw connection balancing device 2；The weight of balancing device 2
It is unevenly distributed, for balancing device 2 by screw connection impeller 1, balancing device 2 includes balance bottom plate 21, heavy burden ring 22 and second
Through-hole 23, the second through-hole 23 are located at the center of balancing device 2, and the second through-hole 23 connection balance bottom plate 21 and heavy burden ring 22 are born
The bottom of weight ring 22 is fixedly connected with the top of balance bottom plate 21, and the top of balance bottom plate 21 is also flexibly connected with spill seam allowance 13,
It is in cake shape to balance bottom plate 21, and balance bottom plate 21 is equipped with the first connecting hole 211 and the second connecting hole 212, the first connecting hole
211 and second connecting hole 212 be circular through hole, the first connecting hole 211 and the second connecting hole 212 are evenly distributed on balance bottom plate
On 21, the first connecting hole 211 and the second connecting hole 212 are located at the both sides of heavy burden ring 22, and heavy burden ring 22 is in hollow cylindrical,
Heavy burden ring 22 includes the first heavy burden ring 221 and the second heavy burden ring 222, and the first heavy burden ring 221 is located at the interior of the second heavy burden ring 222
Side, the first heavy burden ring 221 and the second heavy burden ring 222 stretch into spill seam allowance 13, the first heavy burden ring 221 and the second heavy burden ring
Groove 223 is formed between 222, the cross section of groove 223 is ellipse, and the center of circle of groove 223 is located at 22 center of circle of heavy burden ring
The bottom connection balance bottom plate 21 of side, groove 223 makes heavy burden ring 22 because being equipped with eccentric groove 223 on heavy burden ring 22
Center of gravity generate offset, i.e. the distribution of weight of balancing device 2 is uneven, balance bottom plate 21 on the first connecting hole 211 diameter
Size is identical with the diameter of the second connecting hole 212, and balancing device 2 is connected on impeller 1 by screw, and balancing device 2 can be with
It is rotated along the mass axis of impeller 1, when needing to adjust the balance of impeller 1, rotary balance device 2, when balancing device 2 rotates to one
When determining angle, 1 dynamic balancing of impeller can be made to meet the requirements, then will be fixedly attached on impeller 1 with key screw balancing device 2, letter
Folk prescription just, without disassembling impeller 1, will not destroy 1 original contour structures of impeller, not interfere with appearance, reduce dismounting
Manufacturing procedure and workload caused by impeller 1.
The high-precision dynamic poise device of this Roots air blower, including impeller 1 and balancing device 2, balancing device 2 are installed
In the both sides of impeller 1, it is equipped with spill seam allowance 13 in the both sides of impeller 1, is equipped with threaded hole at spill seam allowance 13, spill seam allowance 13 exists
It is in annulus shape on the side of impeller 1, spill seam allowance 13 is by screw connection balancing device 2, the heavy burden ring 22 on balancing device 2
Center of gravity not in circle centre position, i.e. the distribution of weight of balancing device 2 is uneven, and balancing device 2 can be along the mass axis of impeller 1
Rotation, when needing to adjust the balance of impeller 1, rotary balance device 2 can make impeller when balancing device 2 rotates to certain angle
1 dynamic balancing is met the requirements, then will be fixedly attached on impeller 1 with key screw balancing device 2, simple and convenient, without tearing impeller 1 open
It unloads down, 1 original contour structures of impeller will not be destroyed, do not interfere with appearance, reduce manufacturing procedure caused by dismounting impeller 1
And workload.
In summary：The high-precision dynamic poise device of this Roots air blower, including impeller 1 and balancing device 2, impeller
1 both sides are equipped with spill seam allowance 13, and the distribution of weight of balancing device 2 is uneven, when balancing device 2 rotates to certain angle,
1 dynamic balancing of impeller is met the requirements, then balancing device 2 is fixedly attached on impeller 1, simple to operate, without tearing impeller 1 open
It unloads down, reduces workload, and do not influence 1 shape of impeller.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of high-precision dynamic poise device for Roots air blower, including impeller (1) and balancing device (2), balance
Device (2) is mounted on the both sides of impeller (1), it is characterised in that：The impeller (1) is internally provided with cavity (11) and first through hole
(12), cavity (11) is located at the outside of first through hole (12), and first through hole (12) is connected with transmission shaft (3), the transmission shaft (3)
Inside positioned at impeller (1) is equipped with spill seam allowance (13) in the both sides of impeller (1), and spill seam allowance (13) connects balancing device
(2)；The balancing device (2) includes that balance bottom plate (21), heavy burden ring (22) and the second through-hole (23), the second through-hole (23) are located at
At the center of balancing device (2), the bottom of the heavy burden ring (22) is fixedly connected with balance bottom plate (21), the top of balance bottom plate (21)
Portion is also flexibly connected with spill seam allowance (13), and the balance bottom plate (21) is in cake shape, and balance bottom plate (21) is equipped with first
Connecting hole (211) and the second connecting hole (212), the first connecting hole (211) and the second connecting hole (212) are located at heavy burden ring
(22) both sides, heavy burden ring (22) are in hollow cylindrical, and the heavy burden ring (22) includes that the first heavy burden ring (221) and second bear a heavy burden
Ring (222), the first heavy burden ring (221) is in the inside eccentric setting of the second heavy burden ring (222), the first heavy burden ring (221) and second
Groove (223), the bottom connection balance bottom plate (21) of the groove (223), balance bottom plate (21) are formed between heavy burden ring (222)
Connect impeller (1).
2. a kind of high-precision dynamic poise device for Roots air blower according to claim 1, it is characterised in that：
The first heavy burden ring (221) and the second heavy burden ring (222) stretch into spill seam allowance (13).
3. a kind of high-precision dynamic poise device for Roots air blower according to claim 1, it is characterised in that：
First connecting hole (211) and the second connecting hole (212) are circular through hole, the diameter of the first connecting hole (211) and
The diameter of second connecting hole (212) is identical.
4. a kind of high-precision dynamic poise device for Roots air blower according to claim 1, it is characterised in that：
The center of circle of the groove (223) is located at the side in heavy burden ring (22) center of circle.
5. a kind of high-precision dynamic poise device for Roots air blower according to claim 1, it is characterised in that：
The distribution of weight of the balancing device (2) is uneven, and balancing device (2) passes through screw connection impeller (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924037.2A CN106321444B (en) | 2016-10-24 | 2016-10-24 | A kind of high-precision dynamic poise device for Roots air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610924037.2A CN106321444B (en) | 2016-10-24 | 2016-10-24 | A kind of high-precision dynamic poise device for Roots air blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106321444A CN106321444A (en) | 2017-01-11 |
| CN106321444B true CN106321444B (en) | 2018-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610924037.2A Active CN106321444B (en) | 2016-10-24 | 2016-10-24 | A kind of high-precision dynamic poise device for Roots air blower |
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| CN (1) | CN106321444B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894642A (en) * | 2019-04-04 | 2019-06-18 | 东莞市泛特科技有限公司 | A kind of ultrasonic wave handle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161276A (en) * | 2001-11-28 | 2003-06-06 | Aisin Seiki Co Ltd | Roots type dry pump |
| CN201945420U (en) * | 2010-12-30 | 2011-08-24 | 沈阳鼓风机集团股份有限公司 | Dynamic balancing structure of compressor impeller |
| CN202493292U (en) * | 2012-03-19 | 2012-10-17 | 山东齐鲁电机制造有限公司 | Novel balanced structure of impeller of steam turbine |
| CN202737652U (en) * | 2012-07-31 | 2013-02-13 | 南车株洲电机有限公司 | Balancing device of motor rotor and motor |
| CN204024925U (en) * | 2014-07-31 | 2014-12-17 | 内蒙古荣际实业有限公司 | A kind of large fan impeller that can adjustment |
| CN206129608U (en) * | 2016-10-24 | 2017-04-26 | 安徽科达埃尔压缩机有限公司 | A high accuracy dynamic balance device for roots blower impeller |
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- 2016-10-24 CN CN201610924037.2A patent/CN106321444B/en active Active
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| Publication number | Publication date |
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| CN106321444A (en) | 2017-01-11 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 243000 Anhui city in Ma'anshan province north of the revitalization of economic and Technological Development Zone, Road No. 555 Applicant after: Anhui tiger Keda Fluid Machinery Co., Ltd. Address before: 243000 Anhui city in Ma'anshan province north of the revitalization of economic and Technological Development Zone, Road No. 555 Applicant before: ANHUI KEDA AIER COMPRESSOR CO., LTD. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High-precision dynamic balance device used for roots blower impeller Effective date of registration: 20200630 Granted publication date: 20181023 Pledgee: Ma'anshan branch of Bank of China Limited Pledgor: ANHUI HUDU KEDA FLUID MACHINERY Co.,Ltd. Registration number: Y2020980003635 |