CN111237258B - Novel balance disc - Google Patents
Novel balance disc Download PDFInfo
- Publication number
- CN111237258B CN111237258B CN202010181486.9A CN202010181486A CN111237258B CN 111237258 B CN111237258 B CN 111237258B CN 202010181486 A CN202010181486 A CN 202010181486A CN 111237258 B CN111237258 B CN 111237258B
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- CN
- China
- Prior art keywords
- disk
- cavity
- auxiliary
- disc
- balancing
- Prior art date
- 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.)
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Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 12
- 244000126211 Hericium coralloides Species 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims abstract description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/051—Axial thrust balancing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
- F04D29/104—Shaft sealings especially adapted for elastic fluid pumps the sealing fluid being other than the working fluid or being the working fluid treated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
本发明提供一种新型平衡盘。所述新型平衡盘包括平衡盘和用于提高平衡盘散热效果并安装在平衡盘上的降温加长节，平衡盘包括盘体，盘体上开设有盘体转轴通腔，且盘体转轴通腔外圈的盘体上开设有套接槽，套接槽的底部开设有通风槽，且通风槽与套接槽成阶梯状，而降温加长节包括辅盘，辅盘上开设有同轴心的套接腔和辅盘转轴通腔，且套接腔的直径比辅盘转轴通腔直径大，辅盘的外壁固定嵌合有若干片环形分布，倾斜设置的散热叶片，而盘体转轴通腔与辅盘转轴通腔的直径相同，而平衡盘还包括梳齿槽，若干个条规格相同的梳齿槽开设在盘体的外圈壁上。本发明提供的新型平衡盘具有平衡、密封以及散热功能的优点。
The present invention provides a new type of balancing disk. The new type of balancing disk includes a balancing disk and a cooling extension section installed on the balancing disk for improving the heat dissipation effect of the balancing disk. The balancing disk includes a disk body, a disk body rotating shaft through cavity is provided on the disk body, and a sleeve groove is provided on the disk body of the outer ring of the disk body rotating shaft through cavity, and a ventilation groove is provided at the bottom of the sleeve groove, and the ventilation groove and the sleeve groove are stepped, and the cooling extension section includes an auxiliary disk, and the auxiliary disk is provided with a coaxial sleeve cavity and an auxiliary disk rotating shaft through cavity, and the diameter of the sleeve cavity is larger than the diameter of the auxiliary disk rotating shaft through cavity, and the outer wall of the auxiliary disk is fixedly embedded with a plurality of annularly distributed and inclined heat dissipation blades, and the diameter of the disk body rotating shaft through cavity is the same as that of the auxiliary disk rotating shaft through cavity, and the balancing disk also includes comb tooth grooves, and a plurality of comb tooth grooves with the same specifications are provided on the outer ring wall of the disk body. The new type of balancing disk provided by the present invention has the advantages of balancing, sealing and heat dissipation functions.
Description
Technical Field
The invention relates to the technical field of balancing discs of centrifugal blowers, in particular to a novel balancing disc.
Background
In the manufacturing process of the centrifugal blower, a part called a balance disc is arranged, and the balance disc is a device for balancing the axial force of the centrifugal blower and has the function of sealing an air outlet end. Now, on the basis of the above effect of the component, a function is added, and the new function is significant for the safe operation of the centrifugal blower.
The centrifugal blower is a tool for applying work to air or other gas to make the medium gas have certain energy, and can inevitably convert the idle work into vibration, noise and temperature rise of the centrifugal blower while doing work. The temperature rise can lead to the reduction of the efficiency of the centrifugal blower and the expansion of the components of the machine body, so that the components possibly rub due to the expansion, and the adverse conditions can be avoided through reasonable design. There is a case where the temperature rise of the bearing caused by heat is not solved well, that is, excessive temperature rise may cause a reduction in the life of the bearing or direct damage, which is a problem that must be emphasized as a producer of the centrifugal blower.
In the past, three methods of cooling the bearing are considered, namely 1, cooling the tail end by air through a fan, 2, cooling the bearing seat jacket by water, and 3, combining the above 1 and 2, but the effects are not ideal.
Therefore, it is necessary to provide a novel balance disc to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing a novel balance disc with the functions of balancing, sealing and heat dissipation.
In order to solve the technical problems, the novel balance disc provided by the invention comprises a balance disc and a cooling lengthening joint which is used for improving the heat dissipation effect of the balance disc and is arranged on the balance disc.
Preferably, the balance disc comprises a disc body, a disc body rotating shaft through cavity is formed in the disc body, a sleeve joint groove is formed in the disc body of the outer ring of the disc body rotating shaft through cavity, a ventilation groove is formed in the bottom of the sleeve joint groove, and the ventilation groove and the sleeve joint groove are in a stepped shape;
The balance disc also comprises a plurality of comb tooth grooves with the same rule, the comb tooth grooves are arranged on the outer ring wall of the disc body, the comb tooth grooves on the disc body are labyrinth seals, and the labyrinth seals are formed by injecting nitrogen gas;
the cooling lengthening section comprises an auxiliary plate, a concentric sleeve cavity and an auxiliary plate rotating shaft through cavity are formed in the auxiliary plate, the diameter of the sleeve cavity is larger than that of the auxiliary plate rotating shaft through cavity, the auxiliary plate is sleeved in a sleeve groove formed in the plate body through the sleeve cavity, and is fixed in a hot casting mode, a plurality of annular fins are fixedly embedded in the outer wall of the auxiliary plate, and the inclined radiating fins are arranged on the auxiliary plate, so that the contact area with air is enlarged by the radiating fins, and therefore heat on the shaft sleeve is transmitted to the balance plate and then is effectively dissipated by the radiating fins, and accordingly bearing temperature rise is greatly reduced and bearings are effectively protected.
Preferably, the end faces of the two sides of the radiating blade are bullet-shaped, and all the radiating blades and the auxiliary disc are coaxial, so that additional power is not needed.
Preferably, the tray body and the auxiliary tray are made of aluminum alloy materials, so that the burden of the rotor is not increased on the tray body and the auxiliary tray, and meanwhile, the heat dissipation rate of the tray body and the auxiliary tray is further improved due to good heat dissipation effect of the aluminum alloy.
Preferably, the diameter of the through cavity of the rotating shaft of the disc body is the same as that of the through cavity of the rotating shaft of the auxiliary disc, is convenient to synchronously sleeve the shaft sleeve.
Compared with the related art, the novel balance disc provided by the invention has the following beneficial effects:
according to the invention, the auxiliary disc is additionally arranged on the disc body, so that the contact area of the whole balance disc and the shaft is increased, the heat conduction efficiency is enhanced, the thickness of the shaft sleeve is increased by the disc body and the auxiliary disc, and the heat dissipation effect is further increased;
According to the invention, as the auxiliary disc is provided with the radiating blades, the contact area between the radiating blades and air is enlarged, so that the heat on the shaft sleeve is effectively radiated by the radiating blades after being transferred to the balance disc, thereby greatly reducing the temperature rise of the bearing, effectively protecting the bearing and ensuring the safe operation of the centrifugal blower to have a solid foundation;
the comb tooth grooves on the disk body are labyrinth seals, and the seal is carried out by injecting nitrogen into the rotating shaft, so that the sealing effect of the balance disk is enhanced;
According to the invention, all the radiating blades and the auxiliary disc are coaxial, so that no additional power is needed, and meanwhile, reasonable angle setting is adopted when the radiating blades are designed and installed, so that the wind noise of the centrifugal blower is reduced.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of a novel balance disc according to the present invention;
FIG. 2 is a schematic view of the balance disc shown in FIG. 1;
FIG. 3 is a schematic view of the extension shown in FIG. 1;
fig. 4 is a schematic perspective view of the extension shown in fig. 3.
In the figure, the reference numerals are 1, balance disc, 11, disc body, 12, disc body rotating shaft through cavity, 13, sleeve joint groove, 14, ventilation groove, 15, comb tooth groove, 2, cooling lengthening section, 21, auxiliary disc, 22, radiating blade, 23, sleeve joint cavity, 24 and auxiliary disc rotating shaft through cavity.
Detailed Description
The invention will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural view of a preferred embodiment of the novel balance disc provided by the present invention, fig. 2 is a schematic structural view of the balance disc shown in fig. 1, fig. 3 is a schematic structural view of the extension joint shown in fig. 1, and fig. 4 is a schematic three-dimensional structural view of the extension joint shown in fig. 3. The novel balance disc comprises a balance disc 1 and a cooling lengthening joint 2.
In a specific implementation process, as shown in fig. 1,2 and 3, a cooling lengthening joint 2 for improving the heat dissipation effect of a balance disc 1 is installed on the balance disc 1, the balance disc 1 comprises a disc body 11, a disc body rotating shaft through cavity 12 is formed in the disc body 11, a sleeve joint groove 13 is formed in the disc body 11 on the outer ring of the disc body rotating shaft through cavity 12, a ventilation groove 14 is formed in the bottom of the sleeve joint groove 13, the ventilation groove 14 and the sleeve joint groove 13 are in a stepped shape, the cooling lengthening joint 2 comprises an auxiliary disc 21, a sleeve joint cavity 23 and an auxiliary disc rotating shaft through cavity 24 which are coaxial are formed in the auxiliary disc 21, the diameter of the sleeve joint cavity 23 is larger than that of the auxiliary disc rotating shaft through cavity 24, a plurality of annular cooling blades 22 which are obliquely arranged are fixedly embedded in the outer wall of the auxiliary disc 21, and the diameter of the disc body rotating shaft through cavity 12 is identical with that of the auxiliary disc rotating shaft through cavity 24.
It should be noted that, the auxiliary disc 21 is sleeved in the sleeve groove 13 formed in the disc 11 through the sleeve cavity 23 formed and fixed by hot casting, and the diameters of the disc rotating shaft through cavity 12 and the auxiliary disc rotating shaft through cavity 24 are the same, so that the combined disc 11 and auxiliary disc 21 are sleeved on the shaft sleeve of the centrifugal blower through the rotating shaft through cavity, the contact area between the whole balance disc and the shaft is improved by adding the auxiliary disc 21 to the disc 11, the thickness of the shaft sleeve is increased by adding the auxiliary disc 21 to the disc 11, the heat dissipation effect is further increased, and the contact area between the auxiliary disc 21 and the air is increased by adding the heat dissipation blades 22 to the auxiliary disc 21, so that the heat on the shaft sleeve is effectively dissipated by the heat dissipation blades 22 after being transferred to the balance disc, thereby greatly reducing the temperature rise of the bearing, effectively protecting the bearing, ensuring the safe operation of the centrifugal blower to have a solid foundation and ensuring the safe operation.
Referring to fig. 2, the balance disc 1 further includes a plurality of comb grooves 15, the plurality of comb grooves 15 having the same rule are formed in an outer ring wall of the disc body 11, the comb grooves 15 on the disc body 11 are labyrinth seals, and the labyrinth seals are formed by injecting nitrogen gas.
Referring to fig. 4, the end surfaces of both sides of the heat dissipating blades 22 are bullet-shaped, and all the heat dissipating blades 22 are coaxial with the auxiliary disk 21, so that no additional power is needed, and a reasonable angle arrangement is adopted when the heat dissipating blades 22 are designed and installed, so that the wind noise of the centrifugal blower is reduced.
Wherein, the tray body 11 and the auxiliary tray 21 are made of aluminum alloy materials, so that the tray body 11 and the auxiliary tray 21 do not increase the burden of a rotor, and meanwhile, the heat dissipation rate of the tray body 11 and the auxiliary tray 21 is further improved due to good heat dissipation effect of the aluminum alloy.
The working principle of the novel balance disc provided by the invention is as follows:
The auxiliary disc 21 is sleeved in the sleeve groove 13 formed in the disc body 11 through the sleeve cavity 23 formed and fixed in a hot casting mode, the diameter of the disc body rotating shaft through cavity 12 is the same as that of the auxiliary disc rotating shaft through cavity 24, therefore, the combined disc body 11 and the auxiliary disc 21 are sleeved on the shaft sleeve of the centrifugal blower through the rotating shaft through cavity, the auxiliary disc 21 is additionally arranged on the disc body 11, so that the heat conduction efficiency is enhanced by improving the contact area of the whole balance disc and the shaft, the thickness of the shaft sleeve is increased by the combined disc body 11 and the auxiliary disc 21, the heat dissipation effect is further improved, the heat dissipation blades 22 are arranged on the auxiliary disc 21 to enlarge the contact area with air, and therefore, after the heat on the shaft sleeve is transferred to the balance disc, the heat dissipation blades 22 are effectively dissipated, so that the bearing temperature rise is greatly reduced, the bearing is effectively protected, the safe operation of the centrifugal blower is provided with a solid foundation, the operation is safer, the comb 15 on the disc body 11 is in a labyrinth seal mode, and the heat dissipation device is not required to be reasonably provided by adopting the design of the fan blade 22 and the fan groove 21, and the leakage prevention phenomenon is avoided.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present invention and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181486.9A CN111237258B (en) | 2020-03-16 | 2020-03-16 | Novel balance disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010181486.9A CN111237258B (en) | 2020-03-16 | 2020-03-16 | Novel balance disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111237258A CN111237258A (en) | 2020-06-05 |
| CN111237258B true CN111237258B (en) | 2025-04-25 |
Family
ID=70864885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010181486.9A Active CN111237258B (en) | 2020-03-16 | 2020-03-16 | Novel balance disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111237258B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111852877A (en) * | 2020-07-20 | 2020-10-30 | 广州市昕恒泵业制造有限公司 | Centrifugal oil pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721926Y (en) * | 2004-06-03 | 2005-08-31 | 北京城市排水集团有限责任公司 | Centrifugal air blower |
| CN206159107U (en) * | 2016-08-31 | 2017-05-10 | 大唐武安发电有限公司 | Novel fixed knot that can effectively improve water pump rotor holding capacity constructs |
| CN206442197U (en) * | 2017-01-22 | 2017-08-25 | 无锡市宏泰电机股份有限公司 | A kind of cast-aluminum rotor for being easy to calibration balance |
| CN110454399A (en) * | 2019-08-21 | 2019-11-15 | 沈阳启源工业泵制造有限公司 | A multistage centrifugal pump without thrust bearing |
| CN212079754U (en) * | 2020-03-16 | 2020-12-04 | 唐山润川环保机械有限公司 | Novel balance disc |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207093412U (en) * | 2017-07-28 | 2018-03-13 | 江苏华电戚墅堰发电有限公司 | Motor cooling fan with balancing frame |
-
2020
- 2020-03-16 CN CN202010181486.9A patent/CN111237258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2721926Y (en) * | 2004-06-03 | 2005-08-31 | 北京城市排水集团有限责任公司 | Centrifugal air blower |
| CN206159107U (en) * | 2016-08-31 | 2017-05-10 | 大唐武安发电有限公司 | Novel fixed knot that can effectively improve water pump rotor holding capacity constructs |
| CN206442197U (en) * | 2017-01-22 | 2017-08-25 | 无锡市宏泰电机股份有限公司 | A kind of cast-aluminum rotor for being easy to calibration balance |
| CN110454399A (en) * | 2019-08-21 | 2019-11-15 | 沈阳启源工业泵制造有限公司 | A multistage centrifugal pump without thrust bearing |
| CN212079754U (en) * | 2020-03-16 | 2020-12-04 | 唐山润川环保机械有限公司 | Novel balance disc |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111237258A (en) | 2020-06-05 |
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