CN106321444A - High-precision dynamic balance device used for roots blower impeller - Google Patents
High-precision dynamic balance device used for roots blower impeller Download PDFInfo
- Publication number
- CN106321444A CN106321444A CN201610924037.2A CN201610924037A CN106321444A CN 106321444 A CN106321444 A CN 106321444A CN 201610924037 A CN201610924037 A CN 201610924037A CN 106321444 A CN106321444 A CN 106321444A
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- China
- Prior art keywords
- impeller
- heavy burden
- balance
- bascule
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a high-precision dynamic balance device used for a roots blower impeller. The device comprises the impeller and balance devices; the balance devices are mounted on the two sides of the impeller, cavities and a first through hole are formed in the impeller, concave stop openings are formed in the two sides of the impeller, and are connected with the balance devices, and each balance device comprises a balance bottom plate, a load ring and a second through hole; the tops of the balance bottom plates are further movably connected with the concave stop openings, a first connecting hole and a second connecting hole are formed in each balance bottom plate, and a groove is formed in each load ring; the high-precision dynamic balance device used for the roots blower impeller comprises the impeller and the balance devices, the concave stop openings are formed in the two sides of the impeller, the weights of the balance devices are distributed unevenly, when the balance devices rotate to a certain angle, the dynamic balance of the impeller meets the requirement, the balance devices are fixedly connected to the impeller, operation is easy and convenient, the impeller does not need to be detached, workloads re reduced, and the appearance of the impeller is not affected.
Description
Technical field
The present invention relates to Roots blower technical field, a kind of high accuracy for Roots air blower is dynamic flat
Weighing apparatus device.
Background technology
Roots blower, also referred to as roots blower, be volume rotary blower, utilize two or three lobed rotor
Performing relative motion the rotary compressor compressing and carrying gas in cylinder, Roots Blower Impeller is the core zero of blower fan
Part, if computing ballance correction exceeds standard in high-speed rotation, the most then cause can unit vibration big, bearing is low for service life, heavy then
Causing serious accident, when Roots Blower Impeller amount of unbalance is undesirable, general employing De-weight method makes impeller
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 it is frequently necessary to many
Secondary dismounting impeller boring duplicate removal, although carry out dynamic balance check by this kind of method and can realize requirement for dynamic balance, but destroy
The original contour structures of vane rotor, affects outward appearance, and manufacturing procedure and workload are big simultaneously, and operating process is complicated.
Summary of the invention
It is an object of the invention to provide a kind of high accuracy dynamic poise device for Roots air blower, possess operation
Simple and convenient, simple to operate and do not affect the advantages such as profile, solve the problems of the prior art.
For achieving the above object, the present invention provides following technical scheme: a kind of high accuracy for Roots air blower
Dynamic poise device, including impeller and bascule, bascule is arranged on the both sides of impeller, and the inside of described impeller is provided with cavity
With the first through hole, cavity is positioned at the outside of the first through hole, and the first through hole connects has power transmission shaft, described power transmission shaft to be positioned at impeller
Side, is provided with spill seam in the both sides of described impeller, and spill seam connects bascule；Described bascule includes balancing the end
Plate, heavy burden ring and the second through hole, described second through hole is positioned at the center of bascule, and the bottom of described heavy burden ring is fixing to be connected
Balance base plate, the top of balance base plate is also flexibly connected with spill seam, and described balance base plate is cake shape, on balance base plate
It is provided with the first connecting hole and the second connecting hole, the first connecting hole and the second connecting hole and lays respectively at the both sides of heavy burden ring, heavy burden ring
In hollow cylindrical, described heavy burden ring includes the first heavy burden ring and the second heavy burden ring, and the first heavy burden ring is positioned at the second heavy burden ring
Inner side, forms groove between the first heavy burden ring and the second heavy burden ring, the bottom of described groove connects balance base plate, at the bottom of described balance
Plate connects impeller.
Preferably, described negative first heavy burden ring and the second heavy burden ring all stretch in spill seam.
Preferably, described first connecting hole and the second connecting hole are manhole, the diameter of the first connecting hole and
The diameter of the second connecting hole is identical.
Preferably, the cross section of described groove is oval, and the center of circle of groove is positioned at the side in the heavy burden ring center of circle.
Preferably, the distribution of weight of described bascule is uneven, and bascule connects impeller by screw.
Compared with prior art, beneficial effects of the present invention is as follows: the high accuracy dynamic balancing dress of this Roots air blower
Putting, including impeller and bascule, the both sides of impeller are provided with spill seam, and the distribution of weight of bascule is uneven, works as balance
When device rotates to certain angle, dynamic balance of impeller meets requirement, then is fixedly attached on impeller by bascule, simple to operate
Convenient, impeller demolition need not be got off, reduce workload, and do not affect impeller profile.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic top plan view of the present invention；
Fig. 3 is the installation design sketch of the present invention.
In figure: 1 impeller, 11 cavitys, 12 first through holes, 13 spill seams, 2 bascules, 21 balance base 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 power transmission shafts.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-3, a kind of high accuracy dynamic poise device for Roots air blower, including impeller 1 and balance
Device 2, bascule 2 is arranged on the both sides of impeller 1, and the inside of impeller 1 is provided with cavity 11 and the first through hole 12, arranges cavity 11
Alleviating the weight of impeller 1, reduce power consumption, cavity 11 is positioned at the outside of the first through hole 12, and the first through hole 12 connects transmission
Axle 3, power transmission shaft 3 is provided with key, and power transmission shaft 3 rotates impeller 1 and rotates, and impeller 1 has rotated air draught and air draft process, passes
Moving axis 3 is positioned at the inner side of impeller 1, is provided with spill seam 13 in the both sides of impeller 1, is provided with screwed hole, spill at spill seam 13
Seam 13 is in annular on the side of impeller 1, and spill seam 13 connects bascule 2 by screw；The weight of bascule 2
Skewness, bascule 2 connects impeller 1 by screw, and bascule 2 includes balancing base plate 21, heavy burden ring 22 and second
Through hole 23, the second through hole 23 is positioned at the center of bascule 2, and the second through hole 23 connects balance base plate 21 and heavy burden ring 22, negative
The top connecting balance base plate 21 is fixed in the bottom of weight ring 22, and the top of balance base plate 21 is also flexibly connected with spill seam 13,
Balance base plate 21 is in cake shape, and balance base plate 21 is provided with the first connecting hole 211 and the second connecting hole 212, the first connecting hole
211 and second connecting hole 212 be manhole, the first connecting hole 211 and the second connecting hole 212 are evenly distributed on balance base plate
On 21, the first connecting hole 211 and the second connecting hole 212 lay respectively at the both sides of heavy burden ring 22, heavy burden ring 22 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 positioned at the second heavy burden ring 222
Side, the first heavy burden ring 221 and the second heavy burden ring 222 all stretch in spill seam 13, the first heavy burden ring 221 and the second heavy burden ring
Forming groove 223 between 222, the cross section of groove 223 is oval, and the center of circle of groove 223 is positioned at heavy burden ring 22 center of circle
Side, the bottom of groove 223 connecting balance base plate 21, because being provided with the groove 223 of bias on heavy burden ring 22, making heavy burden ring 22
Center of gravity produce skew, i.e. the distribution of weight of bascule 2 is uneven, the diameter of the first connecting hole 211 on balance base plate 21
Size is identical with the diameter of the second connecting hole 212, and bascule 2 is connected on impeller 1 by screw, and bascule 2 is permissible
Mass axis along impeller 1 rotates, and when needing regulation impeller 1 to balance, rotary balance device 2, when bascule 2 rotates to one
When determining angle, impeller 1 dynamic balancing can be made to meet requirement, then will be fixedly attached on impeller 1 with key screw bascule 2, letter
Impeller 1 just, need not be disassembled by folk prescription, will not destroy the original contour structures of impeller 1, does not interferes with outward appearance, reduces dismounting
Manufacturing procedure that impeller 1 is brought and workload.
The high accuracy dynamic poise device of this Roots air blower, including impeller 1 and bascule 2, bascule 2 is installed
In the both sides of impeller 1, being provided with spill seam 13 in the both sides of impeller 1, be provided with screwed hole at spill seam 13, spill seam 13 exists
In toroidal on the side of impeller 1, spill seam 13 connects bascule 2, the heavy burden ring 22 on bascule 2 by screw
Center of gravity not uneven at circle centre position, the i.e. distribution of weight of bascule 2, bascule 2 can be along the mass axis of impeller 1
Rotate, when needing regulation impeller 1 to balance, rotary balance device 2, when bascule 2 rotates to certain angle, impeller can be made
1 dynamic balancing meets requirement, then will be fixedly attached on impeller 1 with key screw bascule 2, simple and convenient, need not be torn open by impeller 1
Unload down, the original contour structures of impeller 1 will not be destroyed, do not interfere with outward appearance, reduce the manufacturing procedure that dismounting impeller 1 is brought
And workload.
In sum: the high accuracy dynamic poise device of this Roots air blower, including impeller 1 and bascule 2, impeller
The both sides of 1 are provided with spill seam 13, and the distribution of weight of bascule 2 is uneven, when bascule 2 rotates to certain angle,
Impeller 1 dynamic balancing meets requirement, then is fixedly attached on impeller 1 by bascule 2, simple to operation, need not be torn open by impeller 1
Unload down, reduce workload, and do not affect impeller 1 profile.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. for a high accuracy dynamic poise device for Roots air blower, including impeller (1) and bascule (2), balance
Device (2) is arranged on the both sides of impeller (1), it is characterised in that: the inside of described impeller (1) is provided with cavity (11) and the first through hole
(12), cavity (11) is positioned at the outside of the first through hole (12), and the first through hole (12) connects power transmission shaft (3), described power transmission shaft (3)
Being positioned at the inner side of impeller (1), be provided with spill seam (13) in the both sides of impeller (1), spill seam (13) connects bascule
(2)；Described bascule (2) includes balancing base plate (21), heavy burden ring (22) and the second through hole (23), and the second through hole (23) is positioned at
The center of bascule (2), fixing balance base plate (21) that connects in the bottom of described heavy burden ring (22), the top of balance base plate (21)
Portion is also flexibly connected with spill seam (13), and described balance base plate (21) is in cake shape, and balance base plate (21) is provided with first
Connecting hole (211) and the second connecting hole (212), the first connecting hole (211) and the second connecting hole (212) lay respectively at heavy burden ring
(22) both sides, heavy burden ring (22) is in hollow cylindrical, and described heavy burden ring (22) includes that the first heavy burden ring (221) and second bears a heavy burden
Ring (222), the first heavy burden ring (221) is positioned at the inner side of the second heavy burden ring (222), the first heavy burden ring (221) and the second heavy burden ring
(222) forming groove (223) between, the bottom of described groove (223) connects balance base plate (21), and balance base plate (21) connects leaf
Wheel (1).
A kind of high accuracy dynamic poise device for Roots air blower the most according to claim 1, it is characterised in that:
Described negative first heavy burden ring (221) and the second heavy burden ring (222) all stretch in spill seam (13).
A kind of high accuracy dynamic poise device for Roots air blower the most according to claim 1, it is characterised in that:
Described first connecting hole (211) and the second connecting hole (222) are manhole, the diameter of the first connecting hole (211) and
The diameter of the second connecting hole (222) is identical.
A kind of high accuracy dynamic poise device for Roots air blower the most according to claim 1, it is characterised in that:
The cross section of described groove (223) is oval, and the center of circle of groove (223) is positioned at the side in heavy burden ring (22) center of circle.
A kind of high accuracy dynamic poise device for Roots air blower the most according to claim 1, it is characterised in that:
The distribution of weight of described bascule (2) is uneven, and bascule (2) connects impeller (1) by screw.
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 true CN106321444A (en) | 2017-01-11 |
| CN106321444B 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 |
Country Status (1)
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| CN (1) | CN106321444B (en) |
Cited By (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 |
Citations (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 |
-
2016
- 2016-10-24 CN CN201610924037.2A patent/CN106321444B/en active Active
Patent Citations (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN106321444B (en) | 2018-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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 |