CN205895672U - Long axis pump antifriction bearing seal structure - Google Patents
Long axis pump antifriction bearing seal structure Download PDFInfo
- Publication number
- CN205895672U CN205895672U CN201620899382.0U CN201620899382U CN205895672U CN 205895672 U CN205895672 U CN 205895672U CN 201620899382 U CN201620899382 U CN 201620899382U CN 205895672 U CN205895672 U CN 205895672U
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- CN
- China
- Prior art keywords
- bearing
- pump
- shaft
- seal structure
- sealing structure
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a long axis pump antifriction bearing seal structure relates to long axis pump's seal structure, including the ear seat of outer takeover and surface setting, the ear seat sets up in the coupling joint department of pump shaft, have the bearing frame through bolted connection on the ear seat, and the bearing frame is at external intraduct, the inside of bearing frame be provided with with pump shaft complex antifriction bearing, lower extreme antifriction bearing is provided with the sealing member, the top of bearing frame is provided with the bearing cap, and is provided with the sealing member between bearing cap and the pump shaft, be provided with the bearing spacer sleeve between bearing cap and the bearing. The utility model aims at providing a long axis pump antifriction bearing seal structure changes into antifriction bearing with slide bearing, adopts grease lubrication, and sets up seal structure, avoids the impurity in the medium to cause wearing and tearing, simultaneously, make the transmission steady.
Description
Technical field
The utility model is related to the sealing structure of long-shaft pump, specially a kind of long-shaft pump rolling bearing sealing structure.
Background technology
Long-shaft pump, belongs to one kind of centrifugal pump, from the perspective of centrifugal pump it is simply that in the performance of submerged pump improve and
Come, be the energy saving and environment friendly elevator pump of domestic a new generation developing in recent years, this pump can be used to delivering rainwater, the iron oxide severe edema due to hypofunction of the spleen,
Sewage, there is the liquid such as corrosive industrial wastewater, seawater.It is widely used in Running-water Company, sewage treatment plant, steel plant, ore deposit
Shan Deng industrial and mining enterprises, and municipal plumbing, field irrigation, the engineering such as control flood and drain flooded fields.
This type pump has the advantages that more, and energy-saving efficiency height is the advantage of its maximum.Meanwhile, long-shaft pump there is also some and lacks
Point；The pump shaft of long-shaft pump is all divided into several sections, is coupled with coupling band (box coupling) between every section, for keeping shaft coupling
Concentric, reduce circular runout, need to arrange bearing in shaft coupling near-end, as shown in figure 1, the shaft coupling (31) of traditional long-shaft pump
Near-end is provided with bearing block (21), is used for fixing sliding bearing (401), and sliding bearing (401) is directly contacted with pumped (conveying) medium,
And lacking lubrication so that sliding bearing (401) is easy to wear, service life is short so that the maintenance cost of long-shaft pump raises.
Utility model content
The purpose of this utility model is for problem above, provides a kind of long-shaft pump rolling bearing sealing structure, will slide
Rolling bearing changed into by bearing, using grease lubrication, and arranges sealing structure, it is to avoid the impurity in medium causes to wear and tear.
For realizing object above, the technical solution adopted in the utility model is: a kind of long-shaft pump rolling bearing sealing structure,
Including the ear mount (2) of extension tube attached (1) and its outer surface setting, ear mount (2) is arranged at shaft coupling (31) junction of pump shaft (3),
It has been bolted bearing block (21) on described ear mount (2), and bearing block (21) is internal in extension tube attached (1)；Described bearing block
(21) be internally provided with the rolling bearing (4) coordinating with pump shaft (3), described lower end rolling bearing (4) is provided with seal
(6), the top of described bearing block (21) is provided with bearing cap (42), and is provided with sealing between bearing cap (42) and pump shaft (3)
Part (6)；It is provided with bearing interstage sleeve (41) between described bearing cap (42) and bearing 4.
Further, described bearing block (21) is internally provided with the grease road (211) extending transversely through, with described bearing interstage sleeve
(41) the grease holes insertion of surface setting, forms lubrication channel.
Further, the upper and lower side of described shaft coupling (31) is provided with the sealing structure of rolling bearing, and is relatively to set
Put.
Further, it is provided with middle pillar (5) between any two bearings lid (42), form sealing.
Further, described bearing cap (42) is connected by screw (43) with bearing block (21).
The beneficial effects of the utility model:
1. sliding bearing is changed into rolling bearing, long service life；
2. adopt grease lubrication, and sealing structure is set, it is to avoid the impurity in medium causes to wear and tear；
3. the upper and lower side of shaft coupling (31) is provided with rolling bearing, reduces circular runout, stable drive.
Brief description
Fig. 1 is traditional structure schematic diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 is the utility model a close-up schematic view.
Described in figure, label character is expressed as: 1, extension tube attached；2nd, ear mount；3rd, pump shaft；4th, rolling bearing；5th, middle pillar；
6th, seal；21st, bearing block；22nd, bolt；211st, grease road；31st, shaft coupling；41st, bearing interstage sleeve；42nd, bearing cap；43rd, spiral shell
Silk.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality
It is described in detail with new, the description of this part is only exemplary and explanatory, should not be to protection domain of the present utility model
There is any restriction effect.
As shown in Figure 1-Figure 3, concrete structure of the present utility model is: includes extension tube attached 1 and its ear mount of outer surface setting
2, ear mount 2 is arranged at shaft coupling 31 junction of pump shaft 3, and described ear mount 2 is provided with bearing block 21, described bearing block 21 and ear
Seat 2 is bolted, and bearing block 21 is inside extension tube attached 1；Described bearing block 21 be internally provided with and pump shaft 3 cooperation
Rolling bearing 4, described lower end rolling bearing 4 is provided with seal 6, and the top of described bearing block 21 is provided with bearing cap 42, and
It is provided with seal 6 between bearing cap 42 and pump shaft 3；It is provided with bearing interstage sleeve 41 between described bearing cap 42 and bearing 4.
Preferably, described bearing block 21 is internally provided with the grease road 211 extending transversely through, with described bearing interstage sleeve 41 surface
The grease holes insertion of setting, forms lubrication channel；Described lubrication channel is used for supplementing grease, lubricates bearing.
Preferably, the upper and lower side of described shaft coupling 31 is provided with the sealing structure of rolling bearing, and for being oppositely arranged；Subtract
Little circular runout, stable drive.
Preferably, it is provided with middle pillar 5 between any two bearings lid 42, forms sealing, double-layer seal forms protection.
Preferably, described bearing cap 42 is connected by screw 43 with bearing block 21；Convenient maintenance is changed.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row
The comprising of his property, so that including a series of process of key elements, method, article or equipment not only include those key elements, and
And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or equipment institute
Key element.
Specific case used herein is set forth to principle of the present utility model and embodiment, above example
Illustrate to be only intended to help understand method of the present utility model and its core concept.The above is only of the present utility model preferred
Embodiment is it is noted that due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for this technology
For the those of ordinary skill in field, on the premise of without departing from the utility model principle, some improvement, retouching can also be made
Or change is it is also possible to be combined above-mentioned technical characteristic by rights；These improve retouching, change or combine, or not
The improved design by utility model and technical scheme directly apply to other occasions, are regarded as protection of the present utility model
Scope.
Claims (5)
1. a kind of long-shaft pump rolling bearing sealing structure, including the ear mount (2) of extension tube attached (1) and its outer surface setting, ear mount (2)
It is arranged at shaft coupling (31) junction of pump shaft (3) it is characterised in that being bolted bearing block in described ear mount (2)
, and bearing block (21) is internal in extension tube attached (1) (21)；Described bearing block (21) be internally provided with the rolling coordinating with pump shaft (3)
Dynamic bearing (4), described lower end rolling bearing (4) is provided with seal (6), and the top of described bearing block (21) is provided with bearing cap
Be provided with seal (6), and between bearing cap (42) and pump shaft (3) (42)；Between described bearing cap (42) and rolling bearing (4)
It is provided with bearing interstage sleeve (41).
2. a kind of long-shaft pump rolling bearing sealing structure according to claim 1 is it is characterised in that described bearing block (21)
It is internally provided with the grease road (211) extending transversely through, the grease holes insertion with the setting of described bearing interstage sleeve (41) surface, form profit
Slideway.
3. a kind of long-shaft pump rolling bearing sealing structure according to claim 1 is it is characterised in that described shaft coupling (31)
Upper and lower side be provided with the sealing structure of rolling bearing, and for being oppositely arranged.
4. a kind of long-shaft pump rolling bearing sealing structure according to claim 1 is it is characterised in that any two bearings lid
(42) it is provided with middle pillar (5) between.
5. a kind of long-shaft pump rolling bearing sealing structure according to claim 1 is it is characterised in that described bearing cap (42)
It is connected by screw (43) with bearing block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620899382.0U CN205895672U (en) | 2016-08-18 | 2016-08-18 | Long axis pump antifriction bearing seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620899382.0U CN205895672U (en) | 2016-08-18 | 2016-08-18 | Long axis pump antifriction bearing seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895672U true CN205895672U (en) | 2017-01-18 |
Family
ID=57779687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620899382.0U Expired - Fee Related CN205895672U (en) | 2016-08-18 | 2016-08-18 | Long axis pump antifriction bearing seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595343A (en) * | 2019-01-30 | 2019-04-09 | 上海名流电气有限公司 | Sealing chute increases rolling bearing system under ring cold machine |
-
2016
- 2016-08-18 CN CN201620899382.0U patent/CN205895672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595343A (en) * | 2019-01-30 | 2019-04-09 | 上海名流电气有限公司 | Sealing chute increases rolling bearing system under ring cold machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20180818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |