CN202209420U - Labyrinth water retaining disc for horizontal shaft - Google Patents
Labyrinth water retaining disc for horizontal shaft Download PDFInfo
- Publication number
- CN202209420U CN202209420U CN2011203117042U CN201120311704U CN202209420U CN 202209420 U CN202209420 U CN 202209420U CN 2011203117042 U CN2011203117042 U CN 2011203117042U CN 201120311704 U CN201120311704 U CN 201120311704U CN 202209420 U CN202209420 U CN 202209420U
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- CN
- China
- Prior art keywords
- water retaining
- bearing
- retaining disk
- ball
- cover
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- 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 - Lifetime
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a labyrinth water retaining disc for a horizontal shaft, which comprises a water remaining disc (1) and a bearing end cover (2), wherein the water remaining disc (1) is in sealing match with and fixedly connected with a shaft, and is provided with a convex ring (6) extending in the bearing end cover (2), the bearing end cover (2) is provided with a groove (8) which can contain the convex ring (6), an inner ring of the bearing end cover (2) is provided with a water remaining edge (7), and the lower part of the bearing end cover (2) is provided with a drainage groove (10). The labyrinth water retaining disc is simple in structure, low in manufacturing cost, reliable in running, good in sealing effect, and can effectively protect the safe and reliable running of a bearing.
Description
Technical field
The utility model relates to a kind of water retaining disk structure, particularly relates to a kind of horizontal axle with labyrinth water retaining disk structure, is applied to various centrifugal pump kind equipments, mixing plant etc.
Background technique
Centrifugal pump kind equipment and mixing plant are used extremely extensive, adaptable across the every field of national economy and people's lives.The common trait of these equipment is: all are rotating equipments, all contact with various liquid.So they all have bearing chamber, if invading bearing chamber, working liquid body can cause damage of bearings, destroy the normal operation of equipment, even can cause equipment badly damaged.So must protect bearing chamber not invaded, thereby guarantee the safe and reliable operation of equipment by working liquid body.
The terminal general stifle that adopts at bearing chamber seals, and is easy to be reliable.Bearing chamber to wear axle head cumbersome, between bearing (ball) cover and axle, must have running clearance can normally rotate to guarantee axle.And axle is a revolving part, and bearing (ball) cover is a static element, and the difficulty of sealing is bigger.How simply people are studying always, are sealing reliably this free gap.
Way commonly used at present has:
A. oil sealing sealing;
B. water retaining disk sealing;
C. oil sealing+water retaining disk sealing;
D. labyrinth water retaining disk sealing or the like.The oil sealing sealing structure seals good sealing effect by the resiliently deformable of the oil sealing of employing rubber material manufacturing.But oil sealing is static, and axle rotate, and relative movement is arranged between them, the very fast variation of oil sealing quick abrasion (even axle also can heavy wear), sealing effect, even inefficacy.So need parts such as frequent change oil sealing.Therefore on the higher equipment of rotational speed, do not adopt oil seal structure basically.Water retaining disk is simple in structure, and is reliable, but sealing effect is slightly poor.So adopt the equipment of mazy type water retaining disk sealing configuration more.
Shown in Figure 1 is common labyrinth water retaining disk sealed structural representation, and the bad reason of its sealing effect has:
1, dash is effective during equipment operation, dash weak effect during equipment downtime.
2, liquid just is difficult to discharge in case the gap between water retaining disk and the bearing (ball) cover is entered in intrusion, very easily invades bearing chamber.
The model utility content
The utility model technical problem to be solved provides a kind of horizontal axle of good sealing effect with labyrinth water retaining disk structure, protects the bearing safe and reliable operation effectively.
In order to solve the problems of the technologies described above; The horizontal axle that the utility model provides comprises water retaining disk and bearing (ball) cover with labyrinth water retaining disk structure, and described water retaining disk cooperates with shaft sealing and is fixedly connected; Described water retaining disk is provided with the bulge loop that extend in the described bearing (ball) cover; Described bearing (ball) cover is provided with the groove that holds described bulge loop, and the inner ring of described bearing (ball) cover is provided with the dash limit, and the bottom of described bearing (ball) cover is provided with rhone.
Be provided with the draining inclined-plane inside and outside the described water retaining disk outer rim.
The horizontal axle that adopts technique scheme is with labyrinth water retaining disk structure, and its working principle is: water retaining disk covers the gap between bearing (ball) cover and the axle, protects this position directly not impacted by working liquid body; Water retaining disk rotates with the axis, and falls liquid on the water retaining disk and receives centrifugal action and throw away, and can not get into bearing chamber; Bearing (ball) cover flows to the bottom liquid in gap in the action of gravity lower edge between a small amount of entering water retaining disk and the bearing (ball) cover; Be provided with the dash limit at the bearing (ball) cover inner ring, stop liquid to flow on the axle; Be provided with rhone in the bearing (ball) cover bottom, discharge the liquid that top flows down effectively.
Horizontal of the employing technique scheme is with mazy type water retaining disk structure compared with prior art, and its advantage is:
1, the liquid that gets into gap between water retaining disk and the bearing (ball) cover can be discharged effectively, can not flow into bearing chamber;
2, on the water retaining disk inclined-plane is set, is beneficial to and throws away liquid;
3, sealing effect is still fine when equipment downtime.
In sum; The horizontal axle that the utility model provides is with mazy type water retaining disk structure; Taked multinomial measure, solved the problem that the liquid of invading gap between water retaining disk and the bearing (ball) cover is difficult to discharge, the problem of sealing effect difference when having solved the water retaining disk sealing shutdown of common labyrinth.Through the utility model, the stuffing box bearing chamber prevents that working liquid body from getting into bearing chamber and damaging bearing effectively; Prolonged the repair cycle of bearing oil working life and equipment; Alleviate, shortened plant maintenance, maintenance workload effectively.Significant to realizing the equipment unmanned.
The utility model be the horizontal axle of a kind of simple in structure, low cost of manufacture, reliable, good sealing effect with labyrinth water retaining disk structure, protect the bearing safe and reliable operation effectively.
Description of drawings
Fig. 1 is that common horizontal axle is with labyrinth water retaining disk structural representation;
Fig. 2 is that the horizontal axle of the utility model is with labyrinth water retaining disk structural representation;
Fig. 3 is the utility model bearing (ball) cover front schematic view;
Fig. 4 is the practical implementation schematic representation of the utility model on pumping unit.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Water retaining disk sealing in the utility model as shown in Figure 4 labyrinth is made up of two-part: the water retaining disk 1 that rotates with the axis and be fixed on the bearing (ball) cover 2 on the bearing chamber 5.One group of labyrinth water retaining disk sealing is respectively arranged at bearing chamber 5 two ends.
Referring to Fig. 2, Fig. 3 and Fig. 4; Water retaining disk 1 cooperates with shaft sealing and is fixedly connected; Water retaining disk 1 is provided with the bulge loop 6 that extend in the bearing (ball) cover 2, and bearing (ball) cover 2 is provided with the groove 8 that holds bulge loop 6, and the inner ring of bearing (ball) cover 2 is provided with dash limit 7; The bottom of bearing (ball) cover 2 is provided with rhone 10, is provided with draining inclined-plane 9 inside and outside water retaining disk 1 outer rim.
Referring to Fig. 2, Fig. 3 and Fig. 4, water retaining disk 1 endoporus and axle 3 adopt and to be sealed and matched and to be fixedly connected, when guaranteeing water retaining disk 1 with axle 3 rotations the bulge loop 6 rotary tracks location of outer rim accurately, with the groove 8 of bearing (ball) cover 2 in circle do not rub.Water retaining disk 1 one ends withstand on bearing 4 inner rings, and an end withstands on the axle sleeve, and bigger pretightening force is arranged, and guarantee that water retaining disk 1 is with axle 3 rotations.The axial position of water retaining disk 1 is guaranteed by the precision machining of axle 3, bearing 4.Water retaining disk 1 inner ring is established wheel hub, cooperates with bearing (ball) cover 2 endoporus to stop bearing oil to external leakage, and outer rim is established bulge loop 6 and cooperated with the groove 8 of bearing (ball) cover 2, stops liquid entering bearing chambers 5 such as water.
Bearing (ball) cover 2 outer ring seams and bearing chamber 5 precision-fit are to guarantee the correct position of bearing (ball) cover 2.Bearing (ball) cover 2 endoporus are done labyrinth seal, cooperate with water retaining disk 1 wheel hub outer ring, stop bearing oil to external leakage.End face is established groove 8, cooperates liquid such as stoping water to get into bearing chamber 5 with water retaining disk 1, and in time discharges the liquid such as water of invading gap between itself and the water retaining disk 1.
Water retaining disk 1 covers the gap between bearing (ball) cover 2 and the axle 3, protects this position directly not impacted by working liquid body; Water retaining disk 1 is with axle 3 rotation, falls liquid on the water retaining disk 1 and receives centrifugal action and throw away, and can not get into bearing chamber 5; Bearing (ball) cover 2 flows to the bottom liquid in gap in the action of gravity lower edge between a small amount of entering water retaining disk 1 and the bearing (ball) cover 2; Be provided with dash limit 7 at bearing (ball) cover 2 inner rings, stop liquid to flow on the axle 3; Be provided with rhone 10 in bearing (ball) cover 2 bottoms, discharge the liquid that top flows down effectively.
In this pump using process, the utility model can be tackled effectively:
A. pump seal leaks water;
B. periphery dabbles;
C. rainwater or the like situation.
All can protect bearing chamber not invaded in these cases effectively by liquid such as water.Prolong pump up-time effectively, alleviated maintenance, maintenance workload significantly.Have very significantly economic benefit and social benefit.
Personnel in the present technique field should be realized that above-mentioned embodiment is not with this novel qualification of opposing, as long as in this novel connotation scope, and any protection domain that the foregoing description technique variation, flexible program is not all exceeded the utility model.
Claims (2)
1. a horizontal axle is with labyrinth water retaining disk structure; Comprise water retaining disk (1) and bearing (ball) cover (2); It is characterized in that: described water retaining disk (1) cooperates with shaft sealing and is fixedly connected, and described water retaining disk (1) is provided with the bulge loop (6) that extend in the described bearing (ball) cover (2), and described bearing (ball) cover (2) is provided with the groove (8) that holds described bulge loop (6); The inner ring of described bearing (ball) cover (2) is provided with dash limit (7), and the bottom of described bearing (ball) cover (2) is provided with rhone (10).
2. horizontal axle according to claim 1 is characterized in that: be provided with draining inclined-plane (9) inside and outside the outer rim of described water retaining disk (1) with labyrinth water retaining disk structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203117042U CN202209420U (en) | 2011-08-25 | 2011-08-25 | Labyrinth water retaining disc for horizontal shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203117042U CN202209420U (en) | 2011-08-25 | 2011-08-25 | Labyrinth water retaining disc for horizontal shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202209420U true CN202209420U (en) | 2012-05-02 |
Family
ID=45988967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203117042U Expired - Lifetime CN202209420U (en) | 2011-08-25 | 2011-08-25 | Labyrinth water retaining disc for horizontal shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202209420U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865365A (en) * | 2012-09-17 | 2013-01-09 | 无锡市太湖电力成套设备有限公司 | Waterproof device of rotary sieve main shaft bearing |
| CN107504190A (en) * | 2017-08-31 | 2017-12-22 | 广州市昊志机电股份有限公司 | A kind of horizontal main axis sealing device |
| CN114275268A (en) * | 2021-12-22 | 2022-04-05 | 李文斌 | Environment-friendly device for geological exploration |
-
2011
- 2011-08-25 CN CN2011203117042U patent/CN202209420U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865365A (en) * | 2012-09-17 | 2013-01-09 | 无锡市太湖电力成套设备有限公司 | Waterproof device of rotary sieve main shaft bearing |
| CN107504190A (en) * | 2017-08-31 | 2017-12-22 | 广州市昊志机电股份有限公司 | A kind of horizontal main axis sealing device |
| CN107504190B (en) * | 2017-08-31 | 2023-11-14 | 广州市昊志机电股份有限公司 | Horizontal main shaft sealing device |
| CN114275268A (en) * | 2021-12-22 | 2022-04-05 | 李文斌 | Environment-friendly device for geological exploration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 9 road 411201 Hunan city of Xiangtan province Jiuhua Jiuhua demonstration zone Co-patentee after: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee after: LEO GROUP HUNAN PUMP CO.,LTD. Address before: No. 9 road 411201 Hunan city of Xiangtan province Jiuhua Jiuhua demonstration zone Co-patentee before: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee before: Hunan Leo Swan Industrial Pump Co.,Ltd. Address after: 410114 Hunan province Changsha Datuo Town City Tianxin Tianxin Environmental Protection Industrial Park Co-patentee after: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee after: Hunan Changsha Leo Swan Industrial Pump Co.,Ltd. Address before: 410114 Hunan province Changsha Datuo Town City Tianxin Tianxin Environmental Protection Industrial Park Co-patentee before: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee before: Changsha Swan Industrial Pump Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: No. 9 road 411201 Hunan city of Xiangtan province Jiuhua Jiuhua demonstration zone Co-patentee after: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee after: Hunan Leo Swan Industrial Pump Co.,Ltd. Address before: The new 410114 Ridge Road in Hunan province Changsha Tianxin District No. 78 Co-patentee before: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee before: CHANGSHA SWAN INDUSTRIAL PUMP Co.,Ltd. Address after: The new 410114 Ridge Road in Hunan province Changsha Tianxin District No. 78 Co-patentee after: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee after: CHANGSHA SWAN INDUSTRIAL PUMP Co.,Ltd. Address before: 410114 Hunan province Changsha Datuo Town City Tianxin Tianxin Environmental Protection Industrial Park Co-patentee before: CHANGSHA XIANGE ENERGY-SAVING TECHNOLOGY Co.,Ltd. Patentee before: Hunan Changsha Leo Swan Industrial Pump Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120502 |
|
| CX01 | Expiry of patent term |