CN110541839A - Embedded thrust bearing assembly for magnetic pump and magnetic pump - Google Patents
Embedded thrust bearing assembly for magnetic pump and magnetic pump Download PDFInfo
- Publication number
- CN110541839A CN110541839A CN201910822233.2A CN201910822233A CN110541839A CN 110541839 A CN110541839 A CN 110541839A CN 201910822233 A CN201910822233 A CN 201910822233A CN 110541839 A CN110541839 A CN 110541839A
- Authority
- CN
- China
- Prior art keywords
- thrust bearing
- bearing ring
- face
- left end
- bearing seat
- 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.)
- Granted
Links
- 238000002955 isolation Methods 0.000 claims description 3
- 230000009191 jumping Effects 0.000 abstract description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- 229910010271 silicon carbide Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003466 welding Methods 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials especially adapted for liquid 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/0462—Bearing cartridges
-
- 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
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
the invention relates to an embedded thrust bearing assembly for a magnetic pump and the magnetic pump, wherein the embedded thrust bearing assembly consists of a thrust bearing ring (1), an outer sleeve (2), a wave plate spring pad (3) and a bearing seat (4); the thrust bearing ring (1) is arranged on an outer spigot groove (41) formed in the left end face of the bearing seat (4) in a sliding fit manner; the outer sleeve (2) prevents the thrust bearing ring (1) from axially jumping out, anti-rotation key blocks (42a, 42b) matched with segmental planes (12a, 12b) symmetrically arranged on the thrust bearing ring (1) are arranged on the outer circle part of the bearing seat (4), and a wave plate spring pad (3) is arranged between an upright end face (41') of an outer notch groove (41) arranged on the left end face of the bearing seat (4) and the right end face of the thrust bearing ring (1) to prevent the thrust bearing ring (1) from being damaged under the action of axial impact force.
Description
Technical Field
the invention relates to a thrust bearing assembly for a magnetic pump and the magnetic pump using the same.
background
thrust bearings are arranged on two end faces, close to the sliding bearing, of the pump shaft of the magnetic pump, and play roles in balancing axial force and limiting. The thrust bearing is generally made of cemented carbide or a ceramic material, such as silicon carbide. When the silicon carbide material is adopted, the thrust bearing of the silicon carbide material is embedded in the metal bearing seat. Since the difference in thermal expansion coefficient between the silicon carbide material and the metal material is large, ceramic materials such as silicon carbide are also brittle. This makes mounting difficult. The embedding interference is small, and the high-temperature easily comes off; the silicon carbide material is easily hooped and broken due to the overlarge size.
disclosure of Invention
The invention aims to provide an embedded thrust bearing assembly for a magnetic pump and the magnetic pump using the embedded thrust bearing assembly. The thrust bearing is made of silicon carbide, is suitable for high-temperature working conditions, has elasticity in the axial direction, and has good effects of balancing axial force and preventing collision.
The invention discloses an embedded thrust bearing assembly for a magnetic pump, which consists of a thrust bearing ring 1, an outer sleeve 2, a wave plate spring pad 3 and a bearing seat 4.
An outer spigot groove 41 is arranged on the left end face of the annular bearing seat 4; an outer spigot platform 11 is arranged on the left end face of the annular thrust bearing ring 1; circle-cut planes 12a and 2b are symmetrically arranged on the outer circle on the right side of the thrust bearing ring 1; the left end of the outer sleeve 2 is provided with an inner spigot flange 21; the thrust bearing ring 1 is arranged on an outer spigot groove 41 arranged on the left end face of the bearing seat 4 in a sliding fit manner; the inner circular surface 20 of the outer sleeve 2 is matched with the outer circular surface 40 of the bearing seat 4, the inner spigot flange 21 arranged at the left end of the outer sleeve 2 is matched with the outer spigot platform 11 arranged on the left end surface of the thrust bearing ring 1 to axially limit the thrust bearing ring 1, the right end of the outer sleeve 2 is fixedly connected with the outer circular surface 40 of the bearing seat 4, and the outer sleeve 2 prevents the thrust bearing ring 1 from axially jumping out;
Anti-rotation key blocks 42a and 42b for complementing the excircle of the thrust bearing are arranged on the excircle part of the bearing seat 4 corresponding to the circle-cut planes 12a and 12b symmetrically arranged on the excircle on the right side of the thrust bearing ring 1, and the inner side planes of the anti-rotation key blocks 42a and 42b are in sliding clearance fit with the circle-cut planes 12a and 12b on the thrust bearing so as to prevent the thrust bearing ring 1 from rotating on the bearing seat 4;
and a wave plate spring pad 3 is arranged between the vertical end face 41' of the outer stop groove 41 formed in the left end face of the bearing seat 4 and the right end face of the thrust bearing ring 1, the wave plate spring pad 3 elastically compresses the thrust bearing ring 1 in the axial direction, and the action of the axial force applied to the thrust bearing ring 1 is buffered, so that the thrust bearing ring 1 is prevented from being damaged by the action of the axial impact force.
According to the embedded thrust bearing assembly, the bearing seat 4 and the thrust bearing ring 1 are embedded in the gap between the metal thrust bearing seat and the silicon carbide thrust bearing, the structure is good, the embedded thrust bearing assembly is particularly suitable for being used under a high-temperature working condition, the axial elasticity is achieved, the good effect on axial force balance and impact prevention is achieved, and the service life is long.
the invention discloses a magnetic pump, which comprises a pump body, a pump cover, a pump shaft left sliding bearing, a pump shaft right sliding bearing, an impeller, an isolation sleeve, an inner magnetic rotor, an outer magnetic rotor and a connecting frame, wherein thrust bearings A are respectively arranged on the outer side of the pump shaft left sliding bearing C1 and the outer side of the pump shaft right sliding bearing C2, and each thrust bearing A is composed of the embedded thrust bearing assembly.
Drawings
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
fig. 3 is a schematic structural view of an embodiment of the thrust bearing ring 1.
fig. 4 is a sectional view B-B of fig. 3.
fig. 5 is a schematic structural diagram of an embodiment of the bearing seat 4.
Fig. 6 is a cross-sectional view C-C of fig. 5.
fig. 7 is a schematic structural diagram of an embodiment of the magnetic pump of the present invention.
Detailed Description
The invention discloses an embedded thrust bearing assembly for a magnetic pump, which consists of a thrust bearing ring 1, an outer sleeve 2, a wave plate spring pad 3 and a bearing seat 4.
An outer spigot groove 41 is arranged on the left end face of the annular bearing seat 4;
An outer spigot platform 11 is arranged on the left end face of the annular thrust bearing ring 1; circle-cut planes 12a and 12b are symmetrically arranged on the outer circle on the right side of the thrust bearing ring 1;
The left end of the outer sleeve 2 is provided with an inner spigot flange 21;
The thrust bearing ring 1 is arranged on an outer spigot groove 41 arranged on the left end face of the bearing seat 4 in a sliding fit manner;
the inner circular surface 20 of the outer sleeve 2 is matched with the outer circular surface 40 of the bearing seat 4, the inner spigot flange 21 arranged at the left end of the outer sleeve 2 is matched with the outer spigot platform 11 arranged on the left end surface of the thrust bearing ring 1 to axially limit the thrust bearing ring 1, the right end of the outer sleeve 2 is fixedly connected with the outer circular surface 40 of the bearing seat 4 in a spot welding manner, and the outer sleeve 2 prevents the thrust bearing ring 1 from axially jumping out;
Anti-rotation key blocks 42a and 42b which are corresponding to circle-cut planes 12a and 12b symmetrically arranged on the right outer circle of the thrust bearing ring 1 and complement the outer circle of the thrust bearing are arranged on the outer circle part of the bearing seat 4, and the inner side planes of the anti-rotation key blocks 42a and 42b are in sliding clearance fit with the circle-cut planes 12a and 12b on the thrust bearing so as to prevent the thrust bearing ring 1 from rotating on the bearing seat 4;
And a wave plate spring pad 3 is arranged between the vertical end face 41' of the outer stop groove 41 formed in the left end face of the bearing seat 4 and the right end face of the thrust bearing ring 1, the wave plate spring pad 3 elastically compresses and supports the thrust bearing ring 1 in the axial direction, the action of the axial force applied to the thrust bearing ring 1 is buffered, and the thrust bearing ring 1 is prevented from being damaged by the action of the axial impact force.
the invention discloses a magnetic pump, which comprises a pump body, a pump cover, a pump shaft left sliding bearing, a pump shaft right sliding bearing, an impeller, an isolation sleeve, an inner magnetic rotor, an outer magnetic rotor and a connecting frame, wherein thrust bearings A are respectively arranged on the outer side of the pump shaft left sliding bearing C1 and the outer side of the pump shaft right sliding bearing C2, and each thrust bearing A is composed of the embedded thrust bearing assembly.
Claims (2)
1. The embedded thrust bearing assembly for the magnetic pump is characterized by comprising a thrust bearing ring (1), an outer sleeve (2), a wave plate spring pad (3) and a bearing seat (4);
an outer spigot groove (41) is arranged on the left end face of the annular bearing seat (4);
An outer spigot platform (11) is arranged on the left end face of the annular thrust bearing ring (1); circle-cut planes (12a, 2b) are symmetrically arranged on the outer circle on the right side of the thrust bearing ring (1);
an inner spigot flange (21) is arranged at the left end of the outer sleeve (2);
The thrust bearing ring (1) is arranged on an outer spigot groove (41) formed in the left end face of the bearing seat (4) in a sliding fit manner;
the inner circular surface (20) of the outer sleeve (2) is matched with the outer circular surface (40) of the bearing seat (4), an inner spigot flange (21) arranged at the left end of the outer sleeve (2) is matched with an outer spigot platform (11) arranged on the left end surface of the thrust bearing ring (1) to axially limit the thrust bearing ring (1), and the right end of the outer sleeve (2) is fixedly connected with the outer circular surface (40) of the bearing seat (4);
Anti-rotation key blocks (42a, 42b) for complementing the excircle of the thrust bearing are arranged on the excircle part of the bearing seat (4) corresponding to the circle-cut planes (12a, 12b) symmetrically arranged on the excircle on the right side of the thrust bearing ring (1), and the inner side planes of the anti-rotation key blocks (42a, 42b) are in sliding clearance fit with the circle-cut planes (12a, 12b) on the thrust bearing so as to prevent the thrust bearing ring (1) from rotating on the bearing seat (4);
and a wave plate spring pad (3) is arranged between the vertical end face (41') of the outer spigot groove (41) formed in the left end face of the bearing seat (4) and the right end face of the thrust bearing ring (1).
2. the magnetic pump comprises a pump body, a pump cover and a pump shaft, wherein a left pump shaft sliding bearing device, a right pump shaft sliding bearing device, an impeller, an isolation sleeve, an inner magnetic rotor, an outer magnetic rotor and a connecting frame are arranged on the outer side of a left pump shaft sliding bearing (C1) and the outer side of a right pump shaft sliding bearing (C2), and the magnetic pump is characterized in that the thrust bearing (A) consists of a thrust bearing ring (1), an outer sleeve (2), a wave plate spring pad (3) and a bearing seat (4);
An outer spigot groove (41) is arranged on the left end face of the annular bearing seat (4);
An outer spigot platform (11) is arranged on the left end face of the annular thrust bearing ring (1); circle-cut planes (12a, 12b) are symmetrically arranged on the outer circle on the right side of the thrust bearing ring (1);
An inner spigot flange (21) is arranged at the left end of the outer sleeve (2);
The thrust bearing ring (1) is arranged on an outer spigot groove (41) formed in the left end face of the bearing seat (4) in a sliding fit manner;
the inner circular surface (20) of the outer sleeve (2) is matched with the outer circular surface (40) of the bearing seat (4), an inner spigot flange (21) arranged at the left end of the outer sleeve (2) is matched with an outer spigot platform (11) arranged on the left end surface of the thrust bearing ring (1) to axially limit the thrust bearing ring (1), and the right end of the outer sleeve (2) is fixedly connected with the outer circular surface (40) of the bearing seat (4);
Anti-rotation key blocks (42a, 42b) for complementing the excircle of the thrust bearing are arranged on the excircle part of the bearing seat (4) corresponding to the circle-cut planes (12a, 12b) symmetrically arranged on the excircle on the right side of the thrust bearing ring (1), and the inner side planes of the anti-rotation key blocks (42a, 42b) are in sliding clearance fit with the circle-cut planes (12a, 12b) on the thrust bearing so as to prevent the thrust bearing ring (1) from rotating on the bearing seat (4);
And a wave plate spring pad (3) is arranged between the vertical end face (41') of the outer spigot groove (41) formed in the left end face of the bearing seat (4) and the right end face of the thrust bearing ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822233.2A CN110541839B (en) | 2019-09-02 | 2019-09-02 | Embedded thrust bearing assembly for magnetic drive pump and magnetic drive pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910822233.2A CN110541839B (en) | 2019-09-02 | 2019-09-02 | Embedded thrust bearing assembly for magnetic drive pump and magnetic drive pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110541839A true CN110541839A (en) | 2019-12-06 |
| CN110541839B CN110541839B (en) | 2024-04-09 |
Family
ID=68711200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910822233.2A Active CN110541839B (en) | 2019-09-02 | 2019-09-02 | Embedded thrust bearing assembly for magnetic drive pump and magnetic drive pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110541839B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396452A (en) * | 2020-03-25 | 2020-07-10 | 中国航发哈尔滨东安发动机有限公司 | Thrust bearing structure of lubricating oil pump shaft |
| CN111822733A (en) * | 2020-06-30 | 2020-10-27 | 天津大学 | Dynamic and static pressure sliding ceramic main shaft device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001165085A (en) * | 1999-12-06 | 2001-06-19 | Tokyo Kousou Kk | Magnet pump |
| CN104131991A (en) * | 2014-08-07 | 2014-11-05 | 天津市百利溢通电泵有限公司 | Self-cooling circulation axial force carrying device for horizontal pump |
| CN204436876U (en) * | 2015-01-15 | 2015-07-01 | 天津市瑞通鼎科技发展有限公司 | A kind of balance adjustable automobile oil pump |
| WO2016188408A1 (en) * | 2015-05-28 | 2016-12-01 | 昆山江津长抗干磨磁力泵有限公司 | Fully sliding magnetic drive pump |
| CN107084149A (en) * | 2017-06-21 | 2017-08-22 | 江苏建安泵业制造有限公司 | A kind of thrust bearing for magnetic pumps structure and magnetic drive pump |
| CN109268303A (en) * | 2018-11-12 | 2019-01-25 | 丹东通博泵业有限公司 | Magnetic Drive Pump Sliding Bearing component and magnetic drive pump |
| CN211009246U (en) * | 2019-09-02 | 2020-07-14 | 丹东通博泵业有限公司 | Embedded thrust bearing assembly for magnetic pump and magnetic pump |
-
2019
- 2019-09-02 CN CN201910822233.2A patent/CN110541839B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001165085A (en) * | 1999-12-06 | 2001-06-19 | Tokyo Kousou Kk | Magnet pump |
| CN104131991A (en) * | 2014-08-07 | 2014-11-05 | 天津市百利溢通电泵有限公司 | Self-cooling circulation axial force carrying device for horizontal pump |
| CN204436876U (en) * | 2015-01-15 | 2015-07-01 | 天津市瑞通鼎科技发展有限公司 | A kind of balance adjustable automobile oil pump |
| WO2016188408A1 (en) * | 2015-05-28 | 2016-12-01 | 昆山江津长抗干磨磁力泵有限公司 | Fully sliding magnetic drive pump |
| CN107084149A (en) * | 2017-06-21 | 2017-08-22 | 江苏建安泵业制造有限公司 | A kind of thrust bearing for magnetic pumps structure and magnetic drive pump |
| CN109268303A (en) * | 2018-11-12 | 2019-01-25 | 丹东通博泵业有限公司 | Magnetic Drive Pump Sliding Bearing component and magnetic drive pump |
| CN211009246U (en) * | 2019-09-02 | 2020-07-14 | 丹东通博泵业有限公司 | Embedded thrust bearing assembly for magnetic pump and magnetic pump |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396452A (en) * | 2020-03-25 | 2020-07-10 | 中国航发哈尔滨东安发动机有限公司 | Thrust bearing structure of lubricating oil pump shaft |
| CN111822733A (en) * | 2020-06-30 | 2020-10-27 | 天津大学 | Dynamic and static pressure sliding ceramic main shaft device |
| CN111822733B (en) * | 2020-06-30 | 2022-12-06 | 天津大学 | Dynamic and static pressure sliding ceramic main shaft device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110541839B (en) | 2024-04-09 |
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