CN209959537U - Protective device for immersed in easily-crystallized medium neutral long-shaft submerged pump sliding bearing - Google Patents
Protective device for immersed in easily-crystallized medium neutral long-shaft submerged pump sliding bearing Download PDFInfo
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- CN209959537U CN209959537U CN201920552834.1U CN201920552834U CN209959537U CN 209959537 U CN209959537 U CN 209959537U CN 201920552834 U CN201920552834 U CN 201920552834U CN 209959537 U CN209959537 U CN 209959537U
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- sliding bearing
- slide bearing
- bearing seat
- slide
- heat preservation
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Abstract
The utility model relates to a dip in easily crystallized medium neutral formula major axis submerged pump slide bearing protection device, including auxiliary flange, connecting line, supporting part, sliding bearing seat, slide bearing, axle, sliding bearing seat both sides respectively with connecting line welding, connecting line respectively with auxiliary flange welding, sliding bearing seat both sides respectively with the supporting part through bolted connection, the sliding bearing seat inboard is connected with slide bearing, the slide bearing inboard is connected with the hub connection; the sliding bearing seat appearance is circular, and both sides are equipped with the steam passageway, and the centre is equipped with slide bearing heat preservation chamber, and slide bearing heat preservation chamber is the annular cavity, and slide bearing heat preservation chamber communicates with the steam passageway of sliding bearing seat both sides, and slide bearing seat inner wall circumference is equipped with the recess, is equipped with the self-lubrication hole on the slide bearing, and the recess is through self-lubrication hole and slide bearing intercommunication. The utility model provides high slide bearing moving reliability, increase of service life and greatly reduced pump cost.
Description
Technical Field
The utility model belongs to the technical field of fluid machinery, in particular to bearing protection device.
Background
Most of domestic submerged pump products refer to the product structure imported from Germany in the 80 th century, and with attention and protection on intellectual property rights and the localization requirement of products in the manufacturing industry, the core technology of the enterprise is researched and developed to become a solid foundation for the development of enterprises and individuals.
The heat preservation device of the prior structure is used for preserving heat of a support pipe component and an equipment outlet, for example, the following patent application numbers: 200710023890.8, no heat preservation measures are taken for the core sliding bearings of the pump, and the heat required for melting the medium between the sliding bearings needs to be transferred from other parts for a long time, which does not meet the requirement of frequent starting of the pump. If the medium is not melted into liquid, the sliding bearing is locked, the sliding bearing is directly and instantly damaged during operation, and the service life of the pump is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical scheme that technical problem that the aforesaid provided took and be: the utility model provides a dip in neutral formula major axis submerged pump slide bearing protection device in easy crystallization medium which structure characteristics lie in: the device comprises an auxiliary flange, a connecting pipeline, a supporting part, a sliding bearing seat, a sliding bearing and a shaft, wherein two sides of the sliding bearing seat are respectively welded with the connecting pipeline; the sliding bearing seat appearance is circular, and the sliding bearing seat both sides are equipped with steam channel, are equipped with slide bearing heat preservation chamber in the middle of the sliding bearing seat, and slide bearing heat preservation chamber is the annular cavity, and slide bearing heat preservation chamber communicates with the steam channel of sliding bearing seat both sides, and sliding bearing seat inner wall circumference is equipped with the recess, is equipped with the self-lubrication hole on the slide bearing, and the recess is through the self-lubrication hole and the slide bearing intercommunication on the slide bearing.
Furthermore, the circumference of the outer side of the sliding bearing is provided with a medium self-washing groove, and the width of the medium self-washing groove is equal to the width of the groove formed on the circumference of the inner wall of the sliding bearing seat.
Furthermore, the center of the auxiliary flange is provided with a steam inlet and a steam outlet, and the auxiliary flange is symmetrical left and right.
The utility model has the advantages that: the utility model discloses mainly solve and soak in vertical major axis submerged pump slide bearing's heat preservation problem in easy crystallization medium, the recess that sliding bearing inner wall circumference was equipped with passes through self-lubrication hole and slide bearing intercommunication on the slide bearing, steam or other heat medium heat direct conduction will access to from the easy crystallization medium between self-lubrication hole and slide bearing to the sliding bearing and melt fast like this, can ensure that the pump is opened promptly, improved slide bearing moving reliability, increase of service life, reduce its maintenance cycle. The submerged depth of insertion of vertical major axis submerged pump can reach 18 meters according to the product maximum length that has now produced, if all supporting component all keep warm, will consume a large amount of materials, increase the manufacturing cost of pump, and the utility model discloses a structure can directly keep warm to core component slide bearing, has removed not only to reduce the engineering consumption to supporting component's heat preservation, but also greatly reduced pump cost promotes market competition.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the steam turbine comprises a shaft 1, a supporting part 2, a steam channel 3, a connecting pipeline 4, a steam outlet 5, an auxiliary flange 6, a sliding bearing seat 7, a sliding bearing heat preservation cavity 8, a sliding bearing 9, a supporting part 10, a groove 11, a self-lubricating hole 12, a medium self-flushing groove 13 and a steam inlet 14.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As an example, as shown in fig. 1, the protector for the sliding bearing of the long-axis submerged pump immersed in the medium easy to crystallize has the structural characteristics that: the device comprises an auxiliary flange 6, a connecting pipeline 4, a supporting component 2, a sliding bearing seat 7, a sliding bearing 9 and a shaft 1, wherein two sides of the sliding bearing seat 7 are respectively welded with the connecting pipeline 4, the connecting pipeline 4 is respectively welded with the auxiliary flange 6, two sides of the sliding bearing seat 7 are respectively connected with a supporting component 10 through bolts, the inner side of the sliding bearing seat 7 is connected with the sliding bearing 9, and the inner side of the sliding bearing 9 is connected with the shaft 1; the appearance of sliding bearing seat 7 is circular, and sliding bearing seat 7 both sides are equipped with steam channel 3, are equipped with slide bearing heat preservation chamber 8 in the middle of sliding bearing seat 7, and slide bearing heat preservation chamber 8 is the annular cavity, and slide bearing heat preservation chamber 8 communicates with the steam channel 3 of sliding bearing seat 7 both sides, and 7 inner wall circumferences of sliding bearing seat are equipped with recess 11, are equipped with self-lubrication hole 12 on the slide bearing 9, and recess 11 communicates with slide bearing 9 through self-lubrication hole 12 on the slide bearing 9.
Furthermore, the outer circumference of the sliding bearing 9 is provided with a medium self-flushing groove 13, and the width of the medium self-flushing groove 13 is equal to the width of the groove 11 arranged on the circumference of the inner wall of the sliding bearing seat 7.
Further, the center of the auxiliary flange 6 is provided with a steam inlet 14 and a steam outlet 5, and the auxiliary flange 6 is symmetrical left and right.
A sliding bearing heat preservation cavity 8 is designed on the sliding bearing seat, the design pressure can reach 1.6MPa, the steam temperature can reach 201.4 ℃, other heating media can be introduced, and welding forms are adopted among all parts. The processing steps are as follows: firstly, all parts are subjected to preliminary assembly and connection according to the sequence shown in figure 1, after the preliminary assembly is completed, two sides of the sliding bearing seat 7 are respectively welded with the connecting pipeline 4, the connecting pipeline 4 is respectively welded with the auxiliary flange 6, nondestructive testing is carried out after the welding, then a 2.4Mpa hydrostatic test is carried out on the sliding bearing heat-insulating cavity 8, the pressure is maintained for 30 minutes, and no leakage is ensured. This ensures that the risk of contaminating the medium by steam or other heat medium leaks is eliminated. The recess 11 that sliding bearing seat 7 inner wall circumference was equipped with communicates with slide bearing 9 through self-lubrication hole 12 on the slide bearing 9, the medium that slide bearing 9 outside circumference was equipped with is equal with the width of recess 11 from washing the width of recess 13, and two recesses align when the equipment, two recesses align the equipment and have increased the medium from the space of washing, steam or other heat medium heat direct conduction will lead to from the easy crystallization medium rapid melting between lubrication hole 12 and the slide bearing 9 to slide bearing seat 7 like this, can ensure that the pump is opened promptly and is used, guarantee slide bearing 9 moving reliability, the service life is prolonged, reduce maintenance cycle.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be dominated by the protection scope of the claims.
Claims (3)
1. A protection device for a sliding bearing of a vertical long-axis submerged pump immersed in a medium easy to crystallize is characterized in that: the device comprises an auxiliary flange, a connecting pipeline, a supporting part, a sliding bearing seat, a sliding bearing and a shaft, wherein two sides of the sliding bearing seat are respectively welded with the connecting pipeline; the sliding bearing seat appearance is circular, and the sliding bearing seat both sides are equipped with steam channel, are equipped with slide bearing heat preservation chamber in the middle of the sliding bearing seat, and slide bearing heat preservation chamber is the annular cavity, and slide bearing heat preservation chamber communicates with the steam channel of sliding bearing seat both sides, and sliding bearing seat inner wall circumference is equipped with the recess, is equipped with the self-lubrication hole on the slide bearing, and the recess is through the self-lubrication hole and the slide bearing intercommunication on the slide bearing.
2. A protective device for a long axis submerged pump sliding bearing immersed in a medium prone to crystallization according to claim 1, wherein: the circumference of the outer side of the sliding bearing is provided with a medium self-washing groove, and the width of the medium self-washing groove is equal to the width of the groove formed in the circumference of the inner wall of the sliding bearing seat.
3. A protective device for a long axis submerged pump sliding bearing immersed in a medium prone to crystallization according to claim 1, wherein: the center of the auxiliary flange is provided with a steam inlet and a steam outlet, and the auxiliary flange is symmetrical left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552834.1U CN209959537U (en) | 2019-04-23 | 2019-04-23 | Protective device for immersed in easily-crystallized medium neutral long-shaft submerged pump sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920552834.1U CN209959537U (en) | 2019-04-23 | 2019-04-23 | Protective device for immersed in easily-crystallized medium neutral long-shaft submerged pump sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959537U true CN209959537U (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920552834.1U Expired - Fee Related CN209959537U (en) | 2019-04-23 | 2019-04-23 | Protective device for immersed in easily-crystallized medium neutral long-shaft submerged pump sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963377A (en) * | 2021-03-29 | 2021-06-15 | 西安航天泵业有限公司 | Vertical pump with guide bearing body provided with heat-insulating jacket |
-
2019
- 2019-04-23 CN CN201920552834.1U patent/CN209959537U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963377A (en) * | 2021-03-29 | 2021-06-15 | 西安航天泵业有限公司 | Vertical pump with guide bearing body provided with heat-insulating jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 Termination date: 20200423 |
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| CF01 | Termination of patent right due to non-payment of annual fee |